EP4379140B1 - Mobile unit for manufacturing and/or repairing a road surface and kit provided with same - Google Patents
Mobile unit for manufacturing and/or repairing a road surface and kit provided with sameInfo
- Publication number
- EP4379140B1 EP4379140B1 EP22306778.6A EP22306778A EP4379140B1 EP 4379140 B1 EP4379140 B1 EP 4379140B1 EP 22306778 A EP22306778 A EP 22306778A EP 4379140 B1 EP4379140 B1 EP 4379140B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotation
- axis
- aggregates
- connecting rod
- aggregate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/21—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for simultaneously but separately applying liquid material and granular or pulverulent material, e.g. bitumen and grit, with or without spreading ; for filling grooves and gritting the filling
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
- E01C19/201—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels
- E01C19/202—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels solely rotating, e.g. discharging and spreading drums
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
Definitions
- the invention relates to a mobile unit for making and/or repairing a road surface and a kit provided with the same.
- FIG. 1 schematically represents in side view a mobile unit for making and/or repairing a road surface according to one embodiment of the invention.
- FIG. 4 schematically represents in a right-hand view a part of a mobile unit for making and/or repairing a road surface according to an embodiment of the invention.
- THE figures 6 , 8 And 9 schematically represent in perspective a part of a mobile unit for making and/or repairing a road surface according to embodiments of the invention.
- the unit 1 for repairing a roadway comprises a chassis 2, on which are mounted a container 3 for storing aggregates (which may comprise a bucket 30 or hopper 30 for aggregates) and a tank 4 for storing binder, which may be a binder tank (the binder may be an emulsion, or bitumen, or a synthetic binder.
- the aggregates may be gravel, or sand or other.
- the chassis 2 has a front side 21 and a rear side 22.
- the unit 1 for repairing a roadway is mobile on this roadway, for example rolling using wheels 23 for rolling on the roadway, which are rotatably mounted under the chassis 2.
- the unit 1 may be part of a self-propelled carrier machine 100, for example of the truck type, making it possible to bring the repair unit 1 close to the zone Z of the roadway to be treated.
- the chassis 2 is intended to be moved in a forward direction from the rear to the front on the roadway. Of course, the chassis 2 could be moved in the forward direction or in the opposite direction.
- On the front side 21 of the chassis 2 is provided a control cabin 5 allowing the user to control the forward movement motor of the chassis 2 on the roadway, to control and steer the vehicle 100 comprising the chassis 2 as well as to control the unit 1.
- the aggregate distribution assembly 7 and the binder distribution assembly 8 are configured to be able to distribute aggregates and binder over one or more selected spreading width ranges from among several prescribed width ranges P in a prescribed maximum range Lmax and for a selected time associated with each selected range, according to a localized spreading instruction.
- Each range P may have the same prescribed step width in the Y direction of the width, which may be between 40 cm and 10 cm, and for example equal to 20 cm.
- the step minimum distribution of aggregates and binder in length may be for example between 1 cm and 20 cm, for example equal to 5 cm.
- the hatches 700 are capable of being moved between the open position and the closed position by rotation around an axis of rotation, which is therefore common to the plurality of hatches 700 and to the plurality of prescribed ranges P.
- each aggregate distribution part 71, 72 has a width working height of approximately 2.40 m.
- Each aggregate distribution part 71, 72 has a retracted position, in which its width is included in the template of the chassis 2.
- Each aggregate distribution part 71, 72 is capable of being moved between the first extreme position retracted into the road gauge of the chassis 2, and a second extreme position of maximum extension towards the outside, in which it protrudes in width respectively from the right side and the left side of the chassis 2 seen from the rear, the mobile aggregate distribution part 71 being active for example in its different positions to the right of the median vertical plane 34 of the chassis 2, while the left mobile aggregate distribution part 72 is active to the left of the median plane 34 in its different positions.
- the mobile aggregate distribution part 71 may be provided further forward than the mobile aggregate distribution part 72, as shown in figures 1 , 2 and 3 , but it could be the other way around.
- Each binder distribution part 81, 82 is capable of being moved in both directions of the width direction Y between a first extreme retracted position, corresponding for example to the rest position and a second extreme extended position, in which it protrudes in width respectively from the right side and the left side of the chassis 2 seen from the rear. Between these two extreme positions, each binder distribution part 81, 82 is able to occupy several intermediate positions, in which it protrudes from the right side, respectively left side of the chassis 2.
- the parts 81, 82 In the second extreme position extended by the parts 81, 82, their inner end, that is to say the left end 811 of the right part 81 and the right end 822 of the left part 82, does not protrude from the right vertical longitudinal plane 230, respectively left 240 of the chassis 2 and is located for example below in the right half, respectively left half thereof.
- the second extreme positions of the binder distribution parts 81, 82 correspond to those of the aggregate distribution parts 71, 72, the aggregate and binder distribution assemblies 7 and 8 having substantially the same maximum width.
- the binder distribution parts 80, 81, 82 comprise a plurality of nozzles 800 for projecting binder towards the ground, which are distributed in width, which are connected by pipes to one or more binder pumps supplied by the tank(s) 4 and which can each be selectively controlled to project or not to project binder.
- the maximum working width of each movable part 81, 82, defined between the right 812, 822 and left 811, 821 ends, is that defined by their row of nozzles 800.
- the aggregate distribution assembly 7 comprises a blade 9 regulating the flow of aggregates.
- the blade 9 extends in the direction Y of the common width of the plurality of prescribed width ranges P downstream of the plurality of traps 700 in the direction of flow of the aggregates 7 from top to bottom, represented by the arrows F at figures 4 And 5
- the blade 9 makes it possible to dose the flow of aggregates sent by each hatch 700 in the open position of this hatch 700.
- the blade 9 is for example metallic.
- a rotating cylinder 10 for discharging aggregates towards the ground extends along the Y direction of the common width of the plurality of prescribed width ranges P under the aggregate flow regulating blade 9 and under the hatches 700.
- the cylinder 10 for discharging aggregates towards the ground is rotatably mounted around a fourth axis 101 of rotation of the aggregate distribution assembly 7, in a direction 103 of rotation.
- the cylinder 10 for discharging aggregates towards the ground may be formed of a roller 10 having a circular peripheral outer surface 102 (for example metallic) around the fourth axis 101 of rotation.
- the circular peripheral outer surface 102 of the cylinder 10 may be smooth (or solid).
- a mechanism 11 is provided for raising and lowering the aggregate flow regulating blade 9 relative to the rotating cylinder 10 for discharging the aggregates to the ground.
- the mechanism 11 for actuating the aggregate flow regulating blade 9 comprises a reducing mechanism 16 arranged to reduce the displacement of the driven lever 12 and of the aggregate flow regulating blade 9 around the first axis 120 of rotation from the displacement of a device 15 for driving a second axis 140 of rotation (or shaft 140 or torsion bar 140).
- the second axis 140 of rotation is distinct from the first axis 120 of rotation.
- the second rotation axis 140 is connected to the first rotation axis 120 by the mechanism 16 reducing the movement of the driven lever 12, such that the rotation of the second rotation axis 140 causes the rotation of the driven lever 12 and of the aggregate flow regulating blade 9 relative to the first rotation axis 120 to vary a gap D for the passage of aggregates between the aggregate flow regulating blade 9 and the rotating aggregate discharge cylinder 10.
- the first axis 120 of rotation is parallel to the fourth axis 101 of rotation and at a non-zero distance from the fourth axis 101 of rotation.
- the second axis 140 of rotation is parallel to the fourth axis 101 of rotation and at a non-zero distance from the fourth axis 101 of rotation.
- the second axis 140 of rotation is parallel to the first axis 120 of rotation and at a non-zero distance from the first axis 120 of rotation transversely to the first axis 120 of rotation.
- the movement of the drive device 15 of the second rotation axis 140 thus makes it possible to finely dose the flow of aggregates by varying the spacing D of passage of aggregates between the blade 9 regulating the flow of aggregates and the rotating cylinder 10 for discharging the aggregates.
- the aggregate distribution assembly 7 comprises a control 20, comprising an interface actuable by the user, to control the movement of the drive device 15 and thus control the dosage of the flow of aggregates by the movement of the blade 9.
- the aggregates may have a general particle size, greater than or equal to 1 mm and less than or equal to 3 mm.
- the spacing D for passage of aggregates between the aggregate flow regulating blade 9 and the rotating cylinder 10 for discharging the aggregates may be greater than or equal to 1 mm and less than or equal to 3 mm.
- the invention therefore makes it possible in this case to vary in a fine manner the spacing D for passage of aggregates between the aggregate flow regulating blade 9 and the rotating cylinder 10 for discharging the aggregates in this range of spacing greater than or equal to 1 mm and less than or equal to 3 mm.
- the outer peripheral surface 102 of the rotating cylinder 10 may have a radius relative to its axis 101 of rotation, which is greater than or equal to 50 mm and which is less than or equal to 500 mm.
- the mechanism 16 reducing the movement of the driven lever 12 is configured to drive the second rotation axis 140 in rotation, such that a first length L1 of movement of the drive device 15 causes a second length L2 of movement of the aggregate flow regulating blade 9, smaller than the first length L1 of movement of the drive device 15, as shown by way of example in figures 5 And 6
- the movement of the device 15 for driving the second axis 140 of rotation thus makes it possible to finely dose the flow of aggregates, by the fact that the movement L2 of the driven lever 12 and of the blade 9 regulating the flow of aggregates around the first axis 120 of rotation is caused by the movement L1 of the device 15 for driving the second axis 140 of rotation and is smaller than the movement L1 of the device 15 for driving the second axis 140 of rotation.
- the second rotation axis 140 is connected to the first rotation axis 120 by the displacement reducing mechanism 16, which is arranged such that the rotation of the second rotation axis 140 by a second rotation angle ANG2 causes the rotation of the driven lever 12 and the aggregate flow regulating blade 9 relative to the first rotation axis 120 by a first rotation angle ANG1 smaller than the second rotation angle ANG2.
- This also causes a rotation reducing effect of the driven lever 12 and the blade 9 regulating the flow of aggregates around the first axis 120 of rotation from the rotation of the second axis 140 of rotation and therefore a reducing effect of the movement of the driven lever 12 around the first axis 120 of rotation from the movement of the device 15 for driving the second axis (or shaft) 140 of rotation.
- this comprises a connecting rod 13 or tie rod 13 (or several connecting rods 13d, 13g, or tie rods 13d, 13g, which are spaced apart from each other along the width direction Y and between which there is a trapdoor 700, several trapdoors 700 at the Figure 6 or all the hatches 700), a first end portion 131 of which is articulated by a joint 133 on the driven lever 12.
- the first end portion 131 of the connecting rod 13 is located at a second non-zero distance D2 relative to the first axis 120 of rotation.
- the second end portion 132 of the connecting rod 13 is articulated by another articulation 134 to the driving lever 14 and is located relative to the second axis 140 of rotation at a third non-zero distance D3, smaller than the second distance D2 and smaller than the first distance D1.
- the second distance D2 is greater than or equal to twice the third distance D3 or five times the third distance D3.
- the first distance D1 is greater than or equal to twice the third distance D3 or five times the third distance D3.
- the arm 151 is separate from the driving lever 14.
- the driving lever 14 is separate from the driven lever 12.
- the arm 151 is separate from the driven lever 12.
- the connecting rod 13 has an adjustable length B between the first end part 131 and the second end part 132, which can be, for example, by the fact that the first end part 131 can be screwed (by a screw/nut connection 135 as shown in Figure 5 ) and unscrewed relative to the second end part 132).
- the connecting rod 13 has a fixed length B between the first end portion 131 and the second end portion 132 7.
- the aggregate distribution assembly 7 comprises a device 110 for driving the rotating cylinder 10 for discharging the aggregates towards the ground at a constant rotation speed around the fourth axis 101 of rotation.
- This rotation drive device 110 may comprise, as shown by way of example in Figure 6 , a rotary motor 111 driving in rotation by a chain 112 or a belt 112 a pinion 113 integral in rotation with the cylinder 10 around the fourth axis 101 of rotation.
- the speed of rotation of the rotary cylinder 10 for discharging the aggregates towards the ground around the fourth axis 101 of rotation is constant during the operation of the aggregate distribution assembly 7 and may have been set beforehand at a value greater than or equal to 50 revolutions per minute and less than or equal to 150 revolutions per minute.
- the dosage of aggregates to the ground can vary from 170 to 340 grams of aggregates per m 2 of ground for the general granulometry of the aggregates, greater than or equal to 1 mm and less than or equal at 3 mm, for a forward speed of the mobile unit, equal to 7 km/h, a rotation speed of the cylinder 10 around its axis 101 of rotation, equal to 110 revolutions per minute and a radius of the external surface 102 of the cylinder 10 relative to the axis 101 of rotation, equal to 160 mm.
- the stop crosspiece 17 has a first position P a for adjusting a first distance, called short, for opening the hatches 700 relative to the cylinder 10 in their open position, which can be adopted when the aggregates are in a first domain G a of aggregate granulometry and which is that shown for the stop crosspiece 17 as an example in FIG. Figure 5
- the stop crosspiece 17 has a second position P b for adjusting a second distance, called long, for opening the hatches 700 relative to the cylinder 10 in their open position, which can be adopted when the aggregates are in a second range G b of aggregate granulometry.
- the second distance, called long, for opening the hatches 700 is greater than the first, so-called short, opening distance of the hatches 700.
- the first range G a of aggregate granulometry is lower than the second range G b of aggregate granulometry.
- the first range G a of aggregate granulometry may be greater than or equal to 1 mm and less than or equal to 3 mm
- the second range G b of aggregate granulometry may typically be greater than or equal to 3 mm or 4 mm and less than or equal to 14 mm.
- the stop crosspiece 17 has a third position P c for adjusting a third distance, called intermediate, for opening the hatches 700 relative to the cylinder 10 in their open position, which can be adopted when the aggregates are in a third range G c of aggregate granulometry.
- the third distance, called intermediate, for opening the hatches 700 is greater than the first distance, called short, for opening the hatches 700 is smaller than the second distance, called long, for opening the hatches 700.
- the third range G c of aggregate granulometry is lower than the second range G b of aggregate granulometry and is higher than the first range G a of aggregate granulometry.
- the first domain G a of aggregate granulometry may be greater than or equal to 1 mm and less than or equal to 3 mm
- the second domain G b of aggregate granulometry may typically be greater than or equal to 10 mm and less than or equal to 14 mm
- the third domain G c of aggregate granulometry may typically be greater than or equal to 3 mm or 4 mm and less than or equal to 10 mm.
- each connecting rod 13 to be mounted between the driven lever 12 and the driving lever 14 a set of several connecting rods 13, which are of different lengths B between the first end part 131 and the second end part 132.
- one (or more) connecting rods 13a of the set called long, having a first length B a between its first end portion 131 and its second end portion 132 is mounted as connecting rod 13 for aggregates located in the first granulometry range G a mentioned above.
- One (or more) connecting rods 13b called short, having a second length B b between its first end portion 131 and its second end portion 132 is mounted as connecting rod 13 for aggregates located in the second granulometry range G b mentioned above.
- the first length B a of each first connecting rod 13a is greater than the second length B b of each second connecting rod 13b.
- the long connecting rod(s) 13a of the set can for example be mounted as connecting rod 13 for aggregates located in the first granulometry range G a mentioned above with the stop crosspiece 17 mounted in the first position P a for adjusting the first distance, called short, of opening of the hatches 700 relative to the cylinder 10 in their open position.
- the hatches 700 are capable of being moved between the open position and the closed position by rotation around the first axis 120 of rotation, which is therefore common to the plurality of hatches 700 and to the plurality of prescribed ranges P.
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- Architecture (AREA)
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- Mining & Mineral Resources (AREA)
- Road Paving Machines (AREA)
Description
L'invention concerne une unité mobile de confection et/ou de réparation d'un revêtement routier et un kit muni de celle-ci.The invention relates to a mobile unit for making and/or repairing a road surface and a kit provided with the same.
Cette unité mobile peut être un matériel du type bi-répandeur destiné à être installé sur un porteur routier, par exemple en étant monté sur un châssis roulant ou analogue, ce châssis étant lui-même automobile ou pouvant être également tracté.This mobile unit may be a bi-spreader type of equipment intended to be installed on a road carrier, for example by being mounted on a rolling chassis or similar, this chassis itself being an automobile or also being able to be towed.
Le document
Le document
Un objectif d'invention et d'obtenir une unité permettant d'épandre des granulats (gravillons ou sable) de petite taille, notamment de 1 à 3 mm de granulométrie.The aim of the invention is to obtain a unit for spreading small-sized aggregates (gravel or sand), in particular those with a grain size of 1 to 3 mm.
L'une des difficultés est le dosage précis de la quantité de granulats épandus ayant cette granulométrie de petite taille.One of the difficulties is the precise dosage of the quantity of aggregates spread with this small particle size.
Or, un épandage trop important des granulats par rapport à la quantité souhaitée provoque un gaspillage des granulats, ce qui est pénalisant tant du point de vue écologique qu'économique.However, spreading too much aggregate in relation to the desired quantity causes wastage of aggregate, which is detrimental from both an ecological and economic point of view.
En outre, trop peu de granulats épandus par rapport à la quantité souhaitée ne permet pas de réparer correctement le revêtement routier.Furthermore, too little aggregate spread compared to the desired quantity does not allow the road surface to be repaired properly.
Un objectif de l'invention est d'obtenir une unité mobile de confection et/ou réparation d'un revêtement routier, ainsi qu'un kit muni de celle-ci, qui résolve le problème mentionné ci-dessus pour pouvoir contrôler précisément l'épandage de granulats de petite taille.An objective of the invention is to obtain a mobile unit for making and/or repairing a road surface, as well as a kit equipped with it, which solves the problem mentioned above in order to be able to precisely control the spreading of small-sized aggregates.
A cet effet, un premier objet de l'invention est une unité mobile de confection et/ou réparation d'un revêtement routier suivant la revendication 1.For this purpose, a first object of the invention is a mobile unit for making and/or repairing a road surface according to claim 1.
Grâce à l'invention, l'unité mobile permet d'épandre une couche de granulats ultra-mince du fait de la taille des granulats et d'une manière contrôlable dans la quantité souhaitée pour prolonger la durée de vie de la chaussée. D'un point de vue écologique, la quantité d'énergie requise pour l'épandage est très faible, une quantité peu importante de granulats est à préparer et à transporter sur le chantier, et peu de machines sont mises en jeu. Le dosage des granulats se fait par contrôle de l'écartement entre la lame régulatrice de débit de granulats et le cylindre rotatif de déversement des granulats vers le sol. Ce dosage est contrôlé d'une manière fine par le mécanisme réducteur de déplacement du levier mené, permettant de déplacer d'une manière plus fine la lame régulatrice débit de granulats par rapport au cylindre rotatif de déversement des granulats vers le sol. On peut notamment être utilisé pour effectuer des maintenances routières et régénérer des revêtements routiers sur une chaussée par épandage de granulats.Thanks to the invention, the mobile unit allows spreading an ultra-thin layer of aggregates due to the size of the aggregates and in a controllable manner in the desired quantity to extend the life of the roadway. From an ecological point of view, the amount of energy required for spreading is very low, a small amount of aggregates are to be prepared and transported to the site, and few machines are involved. The dosage of aggregates is done by controlling the gap between the aggregate flow regulating blade and the rotating cylinder for discharging the aggregates to the ground. This dosage is finely controlled by the driven lever displacement reduction mechanism, allowing the aggregate flow regulating blade to be moved more finely in relation to the rotating cylinder for discharging the aggregates to the ground. It can be used in particular to carry out road maintenance and regenerate road surfaces on a road by spreading aggregates.
Les revendications 2 à 12 concernent des modes de réalisation de l'unité mobile de confection et/ou réparation d'un revêtement routier.Claims 2 to 12 relate to embodiments of the mobile unit for making and/or repairing a road surface.
Un deuxième objet de l'invention est un kit de confection et/ou réparation de revêtement routier suivant la revendication 13.A second object of the invention is a kit for making and/or repairing road surfaces according to claim 13.
La revendication 14 concerne un mode de réalisation du kit de confection et/ou réparation de revêtement routier.Claim 14 relates to an embodiment of the kit for making and/or repairing road surfaces.
L'invention sera mieux comprise à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple non limitatif en référence aux figures ci-dessous des dessins annexés.The invention will be better understood upon reading the description which follows, given solely as a non-limiting example with reference to the figures below in the attached drawings.
La
Les
La
Les
Les
Aux
Suivant un mode de réalisation représenté à la
Dans le mode de réalisation représenté aux figures, la machine automotrice 100 est par exemple une machine 100 du type bi-répandeur ou répandeur gravillonneur synchrone. L'unité 1 mobile de confection et/ou réparation sert à épandre un revêtement routier composé d'une couche de liant et d'une couche de granulats (gravillons ou sable ou autre) sur la chaussée. Dans ce cas, l'unité 1 comporte du côté arrière 22 un ensemble 7 ou rampe 7 de distribution de granulats ou gravillonneur 7 et un ensemble 8 ou rampe 8 de distribution du liant, qui s'étendent au moins sur une largeur comprenant le côté arrière 22 (la largeur étant prise selon la direction latérale Y, horizontale et transversale à la direction longitudinale L allant du côté arrière 22 au côté avant 21), cette direction Y de la largeur allant de la gauche vers la droite. L'ensemble 8 de distribution du liant peut par exemple être situé en avant de l'ensemble 7 de distribution de granulats.In the embodiment shown in the figures, the self-propelled machine 100 is for example a machine 100 of the dual-spreader or synchronous gravel spreader type. The mobile unit 1 for making and/or repairing is used to spread a road surface composed of a layer of binder and a layer of aggregates (gravel or sand or other) on the roadway. In this case, the unit 1 comprises on the rear side 22 an assembly 7 or ramp 7 for distributing aggregates or gravel spreader 7 and an assembly 8 or ramp 8 for distributing the binder, which extend at least over a width including the rear side 22 (the width being taken in the lateral direction Y, horizontal and transverse to the longitudinal direction L going from the rear side 22 to the front side 21), this direction Y of the width going from left to right. The binder distribution assembly 8 may, for example, be located in front of the aggregate distribution assembly 7.
Ainsi que représenté aux
Suivant un mode de réalisation de l'invention, les trappes 700 sont aptes à être déplacées entre l'une et l'autre de la position ouverte de la position fermée par rotation autour d'un axe de rotation, qui est donc commun à la pluralité des trappes 700 et à la pluralité des plages prescrites P.According to one embodiment of the invention, the hatches 700 are capable of being moved between the open position and the closed position by rotation around an axis of rotation, which is therefore common to the plurality of hatches 700 and to the plurality of prescribed ranges P.
Suivant un mode de réalisation de l'invention, chaque trappe 700 peut être déplacée entre l'une et l'autre de sa position ouverte et de sa position fermée par un vérin 709. Il y a donc une pluralité de vérins 709 permettant de déplacer individuellement la pluralité de trappes 700. Chaque trappe 700 comporte un bras 714, dont une première partie d'extrémité est montée rotative autour de l'axe de rotation de la trappe 700 et dont une deuxième partie d'extrémité est fixée au volet 701 ou solidaire du volet 701 à distance de l'axe de rotation de la trappe 700. Le vérin 709 comporte une tige 7091 montée coulissante d'une manière commandable par rapport à un fût 7092 du vérin 709. La tige 7091 du vérin 709 a son extrémité 7093 reliée au bras 714 en un point situé entre l'axe de rotation de la trappe 700 et le volet 701. Le fût 7092 du vérin 709 (par exemple l'extrémité 7094 du fût 709 du vérin 709, qui est la plus éloignée de l'extrémité 7093 de la tige 7091) est relié par une articulation (boulonnage ou autre) à un cinquième axe 7095 de rotation prévu dans l'ensemble 7.According to one embodiment of the invention, each hatch 700 can be moved between its open position and its closed position by a jack 709. There is therefore a plurality of jacks 709 making it possible to individually move the plurality of hatches 700. Each hatch 700 comprises an arm 714, a first end portion of which is rotatably mounted around the axis of rotation of the hatch 700 and a second end portion of which is fixed to the flap 701 or secured to the flap 701 at a distance from the axis of rotation of the hatch 700. The jack 709 comprises a rod 7091 slidably mounted in a controllable manner relative to a barrel 7092 of the jack 709. The rod 7091 of the jack 709 has its end 7093 connected to the arm 714 at a point located between the axis of rotation of the hatch 700 and the flap 701. The barrel 7092 of the cylinder 709 (for example the end 7094 of the barrel 709 of the cylinder 709, which is furthest from the end 7093 of the rod 7091) is connected by an articulation (bolting or other) to a fifth axis 7095 of rotation provided in the assembly 7.
L'ensemble 8 de distribution de liant est apte à épandre du liant sélectivement dans chaque plage prescrite P de largeur selon la commande d'épandage et à ne pas épandre de liant sélectivement dans chaque prescrite P de largeur selon la commande d'absence d'épandage. Suivant un mode de réalisation de l'invention, chaque plage prescrite P de largeur de l'ensemble 8 de distribution du liant est délimitée par une buse de distribution de liant vers le bas s'étendant dans cette plage prescrite P de largeur, une pluralité de buses étant réparties dans la direction Y de la largeur et étant chacune aptes à être sélectivement ouverte pour épandre du liant vers le bas dans la plage prescrite P de largeur associée à cette buse et fermée pour ne pas en épandre dans cette plage prescrite P de largeur, et ce indépendamment des autres buses des autres plages prescrites P d'épandage. Le temps d'ouverture de chaque buse est déterminé en fonction du temps sélectionné et/ou longueur sélectionnée d'épandage et de la vitesse V d'avancée.The binder distribution assembly 8 is capable of selectively spreading binder in each prescribed width range P according to the spreading command and selectively not spreading binder in each prescribed width P according to the no-spreading command. According to an embodiment of the invention, each prescribed width range P of the binder distribution assembly 8 is delimited by a downward binder distribution nozzle extending in this prescribed width range P, a plurality of nozzles being distributed in the width direction Y and each being capable of being selectively opened to spread binder downward in the prescribed width range P associated with this nozzle and closed to not spread it in this prescribed width range P, independently of the other nozzles of the other prescribed spreading ranges P. The opening time of each nozzle is determined as a function of the selected time and/or selected spreading length and the forward speed V.
Suivant un mode de réalisation de l'invention, l'ensemble 7 ou rampe 7 de distribution de granulats comportant les trappes 700 et l'ensemble 8 ou rampe 8 de distribution du liant sont à gabarit fixe en largeur (largeur totale déterminée Lmax), compris dans le gabarit routier du châssis 2 ou du véhicule 100, figuré par des plans verticaux droit 230 et gauche 240 de part et d'autre du plan médian 34 comme par exemple représenté à la
Suivant un autre mode de réalisation de l'invention, dit à coulissement, représenté aux
Des moyens, par exemple à vérin, sont prévus pour déplacer dans les deux sens de la direction Y de la largeur chaque partie 71, 72 de distribution de granulats par rapport au châssis 2. Chaque partie 71, 72 de distribution de granulats peut être montée coulissante dans les deux sens de la direction Y de la largeur sur un (ou plusieurs) rail, non représenté, fixé au châssis 2 (par exemple en étant suspendue au rail). Chaque partie 71, 72 de distribution de granulats peut comporter respectivement un caisson 710, 720 comportant les éléments décrits ci-dessous en référence aux
Chaque partie 71, 72 de distribution de granulats est apte à être déplacée entre la première position extrême rentrée dans le gabarit routier du châssis 2, et une deuxième position extrême de sortie maximale vers l'extérieur, dans laquelle elle dépasse en largeur respectivement du côté droit et du côté gauche du châssis 2 vu de l'arrière, la partie mobile 71 de distribution de granulats étant active par exemple dans ses différentes positions à droite du plan vertical médian 34 du châssis 2, tandis que la partie mobile gauche 72 de distribution de granulats est active à gauche du plan médian 34 dans ses différentes positions. La partie mobile 71 de distribution de granulats peut être prévue plus en avant que la partie mobile 72 de distribution de granulats, ainsi que représenté aux
Suivant le mode de réalisation de l'invention à coulissement, représenté aux
Bien entendu, l'unité 1 de réparation peut faire partie d'une machine automotrice 100 n'étant pas du type bi-répandeur, ni du type répandeur gravillonneur synchrone. L'unité 1 de réparation peut également être prévue sur une remorque devant être tractée par un véhicule automoteur sur la chaussée.Of course, the repair unit 1 may be part of a self-propelled machine 100 which is not of the dual-spreader type, nor of the synchronous gravel spreader type. The repair unit 1 may also be provided on a trailer to be towed by a self-propelled vehicle on the roadway.
Ainsi que représenté à titre d'exemple non limitatif aux
Un cylindre 10 rotatif de déversement des granulats vers le sol s'étend suivant la direction Y de la largeur en commun de la pluralité des plages prescrites P de largeur sous la lame 9 régulatrice de débit de granulats et sous les trappes 700. Le cylindre 10 de déversement des granulats vers le sol est monté rotatif autour d'un quatrième axe 101 de rotation de l'ensemble 7 de distribution de granulats, dans un sens 103 de rotation. Le cylindre 10 de déversement des granulats vers le sol peut être formé d'un rouleau 10 ayant une surface extérieure périphérique 102 circulaire (par exemple métallique) autour du quatrième axe 101 de rotation. La surface extérieure périphérique 102 circulaire du cylindre 10 peut être lisse (ou pleine). Le conduit 702 de passage des granulats est délimité vers le bas par une paroi inférieure 703 (par exemple une tôle métallique 703) descendant vers le cylindre 10 de déversement des granulats et est délimité vers le haut par une paroi supérieure 704. Le cylindre 10 de déversement est mis en rotation autour du quatrième axe 101 de rotation de l'ensemble 7 de distribution de granulats dans le sens 103 de rotation uniquement pendant les phases d'épandage des granulats. Cela permet des arrêts et des démarrages nets, sans après coulant des granulats.A rotating cylinder 10 for discharging aggregates towards the ground extends along the Y direction of the common width of the plurality of prescribed width ranges P under the aggregate flow regulating blade 9 and under the hatches 700. The cylinder 10 for discharging aggregates towards the ground is rotatably mounted around a fourth axis 101 of rotation of the aggregate distribution assembly 7, in a direction 103 of rotation. The cylinder 10 for discharging aggregates towards the ground may be formed of a roller 10 having a circular peripheral outer surface 102 (for example metallic) around the fourth axis 101 of rotation. The circular peripheral outer surface 102 of the cylinder 10 may be smooth (or solid). The aggregate passage conduit 702 is delimited downwards by a lower wall 703 (for example a metal sheet 703) descending towards the aggregate discharge cylinder 10 and is delimited upwards by an upper wall 704. The discharge cylinder 10 is rotated around the fourth axis 101 of rotation of the aggregate distribution assembly 7 in the direction 103 of rotation only during the aggregate spreading phases. This allows for clean stops and starts, without any subsequent flow of aggregates.
Un mécanisme 11 est prévu pour faire monter et descendre la lame 9 régulatrice de débit de granulats par rapport au cylindre 10 rotatif de déversement des granulats vers le sol.A mechanism 11 is provided for raising and lowering the aggregate flow regulating blade 9 relative to the rotating cylinder 10 for discharging the aggregates to the ground.
Dans ce mécanisme 11 d'actionnement, la lame 9 régulatrice de débit de granulats est fixée à un (ou plusieurs) levier mené 12 (représenté par les hachures sur la
Le mécanisme 11 d'actionnement de la lame 9 régulatrice de débit de granulats comprend un mécanisme 16 réducteur agencé pour réduire le déplacement du levier mené 12 et de la lame 9 régulatrice de débit de granulats autour du premier axe 120 de rotation à partir du déplacement d'un dispositif 15 d'entraînement d'un deuxième axe 140 de rotation (ou arbre 140 ou barre 140 de torsion). Le deuxième axe 140 de rotation est distinct du premier axe 120 de rotation. Le deuxième axe 140 de rotation est relié au premier axe 120 de rotation par le mécanisme 16 réducteur de déplacement du levier mené 12, de telle sorte que la rotation du deuxième axe 140 de rotation provoque la rotation du levier mené 12 et de la lame 9 régulatrice de débit de granulats par rapport au premier axe 120 de rotation pour faire varier un écartement D de passage de granulats entre la lame 9 régulatrice de débit de granulats et le cylindre rotatif 10 de déversement des granulats.The mechanism 11 for actuating the aggregate flow regulating blade 9 comprises a reducing mechanism 16 arranged to reduce the displacement of the driven lever 12 and of the aggregate flow regulating blade 9 around the first axis 120 of rotation from the displacement of a device 15 for driving a second axis 140 of rotation (or shaft 140 or torsion bar 140). The second axis 140 of rotation is distinct from the first axis 120 of rotation. The second rotation axis 140 is connected to the first rotation axis 120 by the mechanism 16 reducing the movement of the driven lever 12, such that the rotation of the second rotation axis 140 causes the rotation of the driven lever 12 and of the aggregate flow regulating blade 9 relative to the first rotation axis 120 to vary a gap D for the passage of aggregates between the aggregate flow regulating blade 9 and the rotating aggregate discharge cylinder 10.
Le premier axe 120 de rotation est parallèle au quatrième axe 101 de rotation et à distance non nulle du quatrième axe 101 de rotation. Le deuxième axe 140 de rotation est parallèle au quatrième axe 101 de rotation et à distance non nulle du quatrième axe 101 de rotation. Suivant un mode de réalisation de l'invention, le deuxième axe 140 de rotation est parallèle au premier axe 120 de rotation et à distance non nulle du premier axe 120 de rotation transversalement au premier axe 120 de rotation.The first axis 120 of rotation is parallel to the fourth axis 101 of rotation and at a non-zero distance from the fourth axis 101 of rotation. The second axis 140 of rotation is parallel to the fourth axis 101 of rotation and at a non-zero distance from the fourth axis 101 of rotation. According to one embodiment of the invention, the second axis 140 of rotation is parallel to the first axis 120 of rotation and at a non-zero distance from the first axis 120 of rotation transversely to the first axis 120 of rotation.
Le déplacement du dispositif 15 d'entraînement du deuxième axe 140 de rotation permet ainsi de doser finement le débit de granulats par variation de l'écartement D de passage de granulats entre la lame 9 régulatrice de débit de granulats et le cylindre rotatif 10 de déversement des granulats. L'ensemble 7 de distribution de granulats comporte une commande 20, comportant une interface actionnable par l'utilisateur, pour commander le déplacement du dispositif 15 d'entraînement et ainsi contrôler le dosage du débit des granulats par le déplacement de la lame 9.The movement of the drive device 15 of the second rotation axis 140 thus makes it possible to finely dose the flow of aggregates by varying the spacing D of passage of aggregates between the blade 9 regulating the flow of aggregates and the rotating cylinder 10 for discharging the aggregates. The aggregate distribution assembly 7 comprises a control 20, comprising an interface actuable by the user, to control the movement of the drive device 15 and thus control the dosage of the flow of aggregates by the movement of the blade 9.
Les granulats peuvent avoir une granulométrie générale, supérieure ou égale à 1 mm et inférieure ou égale à 3 mm. Pour cette granulométrie générale, supérieure ou égale à 1 mm et inférieure ou égale à 3 mm, l'écartement D de passage de granulats entre la lame 9 régulatrice de débit de granulats et le cylindre rotatif 10 de déversement des granulats peut être supérieur ou égal à 1 mm et inférieur ou égal à 3 mm. L'invention permet donc dans ce cas de faire varier d'une manière fine l'écartement D de passage de granulats entre la lame 9 régulatrice de débit de granulats et le cylindre rotatif 10 de déversement des granulats dans cette plage écartement supérieure ou égale à 1 mm et inférieure ou égale à 3 mm. La surface périphérique extérieure 102 du cylindre 10 rotatif peut avoir un rayon par rapport à son axe 101 de rotation, qui est supérieur ou égal à 50 mm et qui est inférieur ou égale à 500 mm.The aggregates may have a general particle size, greater than or equal to 1 mm and less than or equal to 3 mm. For this general particle size, greater than or equal to 1 mm and less than or equal to 3 mm, the spacing D for passage of aggregates between the aggregate flow regulating blade 9 and the rotating cylinder 10 for discharging the aggregates may be greater than or equal to 1 mm and less than or equal to 3 mm. The invention therefore makes it possible in this case to vary in a fine manner the spacing D for passage of aggregates between the aggregate flow regulating blade 9 and the rotating cylinder 10 for discharging the aggregates in this range of spacing greater than or equal to 1 mm and less than or equal to 3 mm. The outer peripheral surface 102 of the rotating cylinder 10 may have a radius relative to its axis 101 of rotation, which is greater than or equal to 50 mm and which is less than or equal to 500 mm.
Le mécanisme 16 réducteur de déplacement du levier mené 12 est configuré pour entraîner en rotation le deuxième axe 140 de rotation, de telle sorte qu'une première longueur L1 de déplacement du dispositif 15 d'entraînement provoque une deuxième longueur L2 de déplacement de la lame 9 régulatrice de débit de granulats, plus petite que la première longueur L1 de déplacement du dispositif 15 d'entraînement, ainsi que représenté à titre d'exemple aux
Le déplacement L1 du dispositif 15 d'entraînement du deuxième axe 140 de rotation peut être le déplacement L1 d'un (ou plusieurs) vérin 152. Suivant un mode de réalisation de l'invention, représentée à titre d'exemple à la
Suivant un mode de réalisation de l'invention, représenté à titre d'exemple à la
Cet effet réducteur de rotation du levier mené 12 et de la lame 9 régulatrice de débit de granulats autour du premier axe 120 de rotation à partir de la rotation du deuxième axe 140 de rotation peut être provoqué par l'exemple de structure décrit ci-dessous du mécanisme 16 réducteur de déplacement du levier mené 12.This rotation-reducing effect of the driven lever 12 and of the aggregate flow regulating blade 9 around the first rotation axis 120 from the rotation of the second rotation axis 140 can be caused by the example structure described below of the mechanism 16 reducing the movement of the driven lever 12.
Suivant un exemple de structure du mécanisme 16 réducteur de déplacement du levier mené 12 et de la lame 9 régulatrice de débit de granulats, représenté à titre d'exemple à la
Suivant un mode de réalisation de l'invention, la bielle 13 a une longueur B réglable entre la première partie 131 d'extrémité et la deuxième partie 132 d'extrémité, pouvant être par exemple par le fait que la première partie 131 d'extrémité peut être vissée (par une liaison vis/écrou 135 ainsi que représenté à la
Dans d'autres modes de réalisation de l'invention, comme par exemple pour le jeu de bielles 13a, 13b, 13c décrit ci-dessous, la bielle 13 a une longueur B fixe entre la première partie 131 d'extrémité et la deuxième partie 132 d'extrémité 7.In other embodiments of the invention, such as for example for the set of connecting rods 13a, 13b, 13c described below, the connecting rod 13 has a fixed length B between the first end portion 131 and the second end portion 132 7.
Suivant un mode de réalisation de l'invention, représenté à la
Suivant un mode de réalisation de l'invention, l'ensemble 7 de distribution de granulats comporte un dispositif 110 d'entraînement en rotation à vitesse de rotation constante du cylindre 10 rotatif de déversement des granulats vers le sol autour du quatrième axe 101 de rotation. Ce dispositif 110 d'entraînement en rotation peut comporter, ainsi que représenté à titre d'exemple à la
Suivant un mode de réalisation de l'invention, le dosage des granulats vers le sol peut varier de 170 à 1000 grammes de granulats par m2 de sol pour la granulométrie générale des granulats, supérieure ou égale à 1 mm et inférieure ou égale à 3 mm. Par exemple, le dosage des granulats vers le sol peut varier de 170 à 340 grammes de granulats par m2 de sol pour la granulométrie générale des granulats, supérieure ou égale à 1 mm et inférieure ou égale à 3 mm, pour une vitesse d'avancée de l'unité mobile, égale à 7 km/h, une vitesse de rotation du cylindre 10 autour de son axe 101 de rotation, égale à 110 tours par minute et un rayon de la surface extérieure 102 du cylindre 10 par rapport à l'axe 101 de rotation, égal à 160 mm.According to one embodiment of the invention, the dosage of aggregates to the ground can vary from 170 to 1000 grams of aggregates per m 2 of ground for the general granulometry of the aggregates, greater than or equal to 1 mm and less than or equal to 3 mm. For example, the dosage of aggregates to the ground can vary from 170 to 340 grams of aggregates per m 2 of ground for the general granulometry of the aggregates, greater than or equal to 1 mm and less than or equal at 3 mm, for a forward speed of the mobile unit, equal to 7 km/h, a rotation speed of the cylinder 10 around its axis 101 of rotation, equal to 110 revolutions per minute and a radius of the external surface 102 of the cylinder 10 relative to the axis 101 of rotation, equal to 160 mm.
Suivant un mode de réalisation de l'invention, représenté à titre d'exemple aux
Suivant un mode de réalisation de l'invention, représenté à titre d'exemple aux
Suivant un mode de réalisation de l'invention, la traverse 17 de butée peut être montée d'une manière réglable sur des supports 180 de l'ensemble 7 de distribution de granulats. Suivant un mode de réalisation de l'invention, représenté à titre d'exemple à la
Suivant un premier mode de réalisation, la traverse 17 de butée possède une première position Pa de réglage d'une première distance, dite courte, d'ouverture des trappes 700 par rapport au cylindre 10 dans leur position ouverte, qui peut être adoptée lorsque les granulats sont dans un premier domaine Ga de granulométrie de granulats et qui est celle représentée pour la traverse 17 de butée à titre d'exemple à la
Suivant un deuxième mode de réalisation, qui est un perfectionnement du premier mode de réalisation, la traverse 17 de butée possède une troisième position Pc de réglage d'une troisième distance, dite intermédiaire, d'ouverture des trappes 700 par rapport au cylindre 10 dans leur position ouverte, qui peut être adoptée lorsque les granulats sont dans un troisième domaine Gc de granulométrie de granulats. La troisième distance, dite intermédiaire, d'ouverture des trappes 700 est plus grande que la première distance, dite courte, d'ouverture des trappes 700 est plus petite que la deuxième distance, dite longue, d'ouverture des trappes 700. Le troisième domaine Gc de granulométrie de granulats est plus bas que le deuxième domaine Gb de granulométrie de granulats et est plus haut que le premier domaine Ga de granulométrie de granulats. Le premier domaine Ga de granulométrie de granulats peut être supérieur ou égal à 1 mm et inférieur ou égal à 3 mm, le deuxième domaine Gb de granulométrie de granulats peut être typiquement supérieur ou égal à 10 mm et inférieur ou égal à 14 mm, le troisième domaine Gc de granulométrie de granulats peut être typiquement supérieur ou égal à 3 mm ou 4 mm et inférieur ou égal à 10 mm.According to a second embodiment, which is an improvement of the first embodiment, the stop crosspiece 17 has a third position P c for adjusting a third distance, called intermediate, for opening the hatches 700 relative to the cylinder 10 in their open position, which can be adopted when the aggregates are in a third range G c of aggregate granulometry. The third distance, called intermediate, for opening the hatches 700 is greater than the first distance, called short, for opening the hatches 700 is smaller than the second distance, called long, for opening the hatches 700. The third range G c of aggregate granulometry is lower than the second range G b of aggregate granulometry and is higher than the first range G a of aggregate granulometry. The first domain G a of aggregate granulometry may be greater than or equal to 1 mm and less than or equal to 3 mm, the second domain G b of aggregate granulometry may typically be greater than or equal to 10 mm and less than or equal to 14 mm, the third domain G c of aggregate granulometry may typically be greater than or equal to 3 mm or 4 mm and less than or equal to 10 mm.
Cela permet d'avoir un ensemble 7 de distribution de granulats polyvalent pour plusieurs granulométries de granulats.This allows for a versatile aggregate distribution set 7 for multiple aggregate gradings.
En outre, il peut être prévu avec l'unité mobile 1 de confection et/ou réparation avec l'ensemble 7 de distribution de granulats un kit comportant pour chaque bielle 13 devant être montée entre le levier mené 12 et le levier menant 14 un jeu de plusieurs bielles 13, qui sont de longueur B différentes entre la première partie 131 d'extrémité et la deuxième partie 132 d'extrémité.Furthermore, it may be provided with the mobile unit 1 for making and/or repairing with the aggregate distribution assembly 7 a kit comprising for each connecting rod 13 to be mounted between the driven lever 12 and the driving lever 14 a set of several connecting rods 13, which are of different lengths B between the first end part 131 and the second end part 132.
Par exemple, une (ou plusieurs) bielle 13a du jeu, dite longue, ayant une première longueur Ba entre sa première partie 131 d'extrémité et sa deuxième partie 132 d'extrémité est montée comme bielle 13 pour des granulats situés dans le premier domaine Ga de granulométrie mentionné ci-dessus. Une (ou plusieurs) bielle 13b, dite courte, ayant une deuxième longueur Bb entre sa première partie 131 d'extrémité et sa deuxième partie 132 d'extrémité est montée comme bielle 13 pour des granulats situés dans le deuxième domaine Gb de granulométrie mentionné ci-dessus. La première longueur Ba de chaque première bielle 13a est plus grande que la deuxième longueur Bb de chaque deuxième bielle13b.For example, one (or more) connecting rods 13a of the set, called long, having a first length B a between its first end portion 131 and its second end portion 132 is mounted as connecting rod 13 for aggregates located in the first granulometry range G a mentioned above. One (or more) connecting rods 13b, called short, having a second length B b between its first end portion 131 and its second end portion 132 is mounted as connecting rod 13 for aggregates located in the second granulometry range G b mentioned above. The first length B a of each first connecting rod 13a is greater than the second length B b of each second connecting rod 13b.
La (ou les) bielle longue 13a du jeu peut être par exemple montée comme bielle 13 pour des granulats situés dans le premier domaine Ga de granulométrie mentionné ci-dessus avec la traverse 17 de butée montée dans la première position Pa de réglage de la première distance, dite courte, d'ouverture des trappes 700 par rapport au cylindre 10 dans leur position ouverte.The long connecting rod(s) 13a of the set can for example be mounted as connecting rod 13 for aggregates located in the first granulometry range G a mentioned above with the stop crosspiece 17 mounted in the first position P a for adjusting the first distance, called short, of opening of the hatches 700 relative to the cylinder 10 in their open position.
La (ou les) bielle 13b courte du jeu peut être par exemple montée comme bielle 13 pour des granulats situés dans le deuxième domaine Gb de granulométrie mentionné ci-dessus avec la traverse 17 de butée montée dans la deuxième position Pb de réglage d'une deuxième distance, dite longue, d'ouverture des trappes 700 par rapport au cylindre 10 dans leur position ouverte.The short connecting rod(s) 13b of the set can for example be mounted as connecting rod 13 for aggregates located in the second granulometry range G b mentioned above with the stop crosspiece 17 mounted in the second position P b for adjusting a second distance, called long, for opening the hatches 700 relative to the cylinder 10 in their open position.
Par exemple, une (ou plusieurs) bielle 13c du jeu, dite intermédiaire, ayant une troisième longueur Bc entre sa première partie 131 d'extrémité et sa deuxième partie 132 d'extrémité est montée comme bielle 13 pour des granulats situés dans le troisième domaine Gc de granulométrie mentionné ci-dessus.For example, one (or more) connecting rods 13c of the set, called intermediate, having a third length B c between its first end part 131 and its second end part 132 is mounted as connecting rod 13 for aggregates located in the third granulometry domain G c mentioned above.
La troisième longueur Bc est plus grande que la deuxième longueur Bb et est plus petite que la première longueur Ba. La (ou les) bielle 13c intermédiaire du jeu peut être par exemple montée comme bielle 13 pour des granulats situés dans le troisième domaine Gc de granulométrie mentionné ci-dessus avec la traverse 17 de butée montée dans la troisième position Pc de réglage de la troisième distance, dite intermédiaire, d'ouverture des trappes 700 par rapport au cylindre 10 dans leur position ouverte.The third length B c is greater than the second length B b and is smaller than the first length B a . The intermediate connecting rod(s) 13c of the set can be mounted, for example, as connecting rod 13 for aggregates located in the third granulometry range G c mentioned above with the stop crosspiece 17 mounted in the third position P c for adjusting the third, so-called intermediate, opening distance of the hatches 700 relative to the cylinder 10 in their open position.
Le jeu de bielles 13a, 13b, 13c permet d'augmenter la précision du dosage des granulats et d'améliorer le parallélisme entre la lame 9 régulatrice de débit des granulats et le cylindre 10 de déversement des granulats.The set of connecting rods 13a, 13b, 13c makes it possible to increase the precision of the dosage of the aggregates and to improve the parallelism between the blade 9 regulating the flow of the aggregates and the cylinder 10 for discharging the aggregates.
L'association de la position de réglage de la traverse 17 de butée parmi les différentes positions de réglage et le montage de la bielle 16 parmi les bielles de différentes longueurs du jeu permet de définir le type de granulats (plage de granulométrie) utilisable, avec un réglage fin possible autour de la valeur moyenne.The association of the adjustment position of the stop crosspiece 17 among the different adjustment positions and the assembly of the connecting rod 16 among the connecting rods of different lengths of the set makes it possible to define the type of aggregates (granulometry range) usable, with a possible fine adjustment around the average value.
Cela permet d'avoir un ensemble 7 de distribution de granulats polyvalent pour plusieurs granulométries de granulats.This allows for a versatile aggregate distribution set 7 for multiple aggregate gradings.
Suivant un mode de réalisation de l'invention, représenté à titre d'exemple à la
Suivant un mode de réalisation de l'invention, les trappes 700 sont aptes à être déplacées entre l'une et l'autre de la position ouverte de la position fermée par rotation autour du premier axe 120 de rotation, qui est donc commun à la pluralité des trappes 700 et à la pluralité des plages prescrites P.According to one embodiment of the invention, the hatches 700 are capable of being moved between the open position and the closed position by rotation around the first axis 120 of rotation, which is therefore common to the plurality of hatches 700 and to the plurality of prescribed ranges P.
Suivant un mode de réalisation de l'invention, représenté à titre d'exemple à la
Suivant un mode de réalisation de l'invention, représenté à titre d'exemple à la
Claims (14)
- Mobile unit (1) for the construction and/or repair of a road surface composed of a layer of binder and a layer of aggregate, the unit (1) comprising:a chassis (2), on which are mounted a container (3) for storing aggregates, a tank (4) for storing binder, a binder distribution assembly (8) and an aggregate distribution assembly (7),the aggregate distribution assembly (7) comprising a plurality of hatches (700) which are distributed in the direction (Y) of the width of the chassis (2) over a respective plurality of prescribed width ranges (P) and which are each capable of being selectively moved either into an open position according to a spreading command for spreading aggregates downwards in the prescribed width range (P) associated with the hatch (700), or in a closed position according to a no spreading command so as not to spread aggregates in the prescribed range (P) of width associated with the hatch (700),the binder distribution assembly (8) being able to spread binder selectively in each prescribed range (P) of width of the plurality of prescribed ranges (P) of width according to the spreading command and not to spread binding agent selectively in each prescribed range (P) of width according to the no-spreading command,the aggregate distribution assembly (7) also comprising:- an aggregate flow regulating blade (9) extending in common of the plurality of prescribed width ranges (P) downstream of the plurality of hatches (700),- a rotating cylinder (10) for discharging the aggregates to the ground, wherein the rotating cylinder (10) for discharging the aggregates to the ground extends in common of the plurality of prescribed width ranges (P) under the aggregate flow regulating blade (9),- a mechanism (11) for actuating the aggregate flow regulating blade (9),characterized in that the mechanism (11) for actuating the aggregate flow regulating blade (9) comprises:- at least one driven lever (12), which is mounted so as to rotate about a first axis (120) of rotation and to which is fixed the aggregate flow regulating blade (9) situated at a first non-zero distance (D1) from the first axis (120) of rotation, a mechanism (16) for reducing the displacement of the driven lever (12) based on the displacement of a drive device (15) for driving a second axis of rotation (140), which is distinct from the first axis of rotation (120) and which is connected to the first axis of rotation (120), such that the rotation of the second axis of rotation (140) causes the rotation of the driven lever (12) relative to the first axis of rotation (120) to vary a spacing (D) for the passage of aggregates between the aggregate flow regulating blade (9) and the rotating cylinder (10) for discharging the aggregates,the mechanism (16) for reducing the displacement of the driven lever (12) being configured to rotate the second axis (140) of rotation, such that a first displacement length (L1) of the drive device (15) causes a second displacement length (L2) of the aggregate flow rate regulating blade (9), smaller than the first displacement length of the drive device (15).
- Unit according to claim 1, characterized in that the second axis of rotation (140) is connected to the first axis of rotation (120) such that the rotation of the second axis (140) of rotation through a second angle (ANG2) of rotation causes the rotation of the driven lever (12) relative to the first axis (120) of rotation through a first angle (ANG1) of rotation smaller than the second angle (ANG2) of rotation.
- A unit according to any one of the preceding claims, characterized in that the device (15) for rotating the second axis (140) of rotation comprises:an arm (151), which is rotationally fixed to the second axis (140) of rotation,a jack (152), which is connected to an end part (1510) of the arm (151), located at a fourth non-zero distance (D4) from the second axis (140) of rotation.
- Unit according to any one of the preceding claims, characterized in that the mechanism (16) for reducing the displacement of the driven lever (12) comprises:- at least one connecting rod (13), having a first end part (131), which is articulated on the driven lever (12) and which is located at a second non-zero distance (D2) from the first axis (120) of rotation, and a second end part (132),- at least one driving lever (14), which is fixed in rotation to the second axis (140) of rotation and on which the second end part (132) of the connecting rod (13) is articulated,wherein the second end part (132) of the connecting rod (13) is located at a third non-zero distance (D3) from the second axis (140) of rotation, smaller than the second distance (D2).
- Unit according to claim 4, characterized in that the connecting rod (13) has an adjustable length (B) between the first end part (131) and the second end part (132).
- Unit according to claim 4 or 5, characterized in that there are provided as connecting rod (13) a plurality of connecting rods (13d, 13g), between which there is a group of one, several or all hatches (700) along the width direction (Y),there is provided as driving lever (14) a plurality of driving levers (14d, 14g) between which is located the group of one, several or all hatches (700) along the width direction (Y),there are provided as driven lever (12) several driven levers (12d, 12g) between which are the group of one, several or all the hatches (700) along the width direction (Y),the aggregate flow regulating blade (9) being fixed to the driven levers (12d, 12g).
- Unit according to claim 3 taken in combination with any one of claims 4 to 6, characterized in that the fourth distance (D4) is greater than the third distance (D3).
- Unit according to any one of the preceding claims, characterized in that the second axis (140) of rotation is parallel to the first axis (120) of rotation and at a distance from the first axis (120) of rotation transversely to the first axis (120) of rotation.
- Unit according to any one of the preceding claims, characterized in that the aggregate distribution assembly (7) includes a device (110) for rotation at a constant speed of rotation of the rotating cylinder (10) for discharging the aggregates to the ground.
- Unit according to any one of the preceding claims, characterized in that the aggregate distribution assembly (7) includes a stop cross-piece (17) for the upper stop of the plurality of hatches (700) in their open position,the plurality of hatches (700) occupying a determined total width (Lmax),the stop cross-piece (17) extending at least over the determined total width (Lmax) of the plurality of hatches (700).
- Unit according to claim 9 or 10, characterized in that the stop cross-piece (17) has several adjustment positions corresponding to several different opening distances of the hatches (700) with respect to the cylinder (10) in their open position.
- Unit according to any one of the preceding claims, characterized in that the aggregate distribution assembly (7) includes a rear bar (18) extending in the width direction (Y), the chassis (2) includes at least one castor (19), which rests against and behind the rear bar (18), an adjustable anchorage (190) of the castor (19) relative to the chassis (2) being provided.
- Kit for construction and/or repair of a road surface, comprising a mobile construction and/or repair unit (1) according to any one of the preceding claims, when they depend on at least one of any one of claims 4 to 7, characterized in that the kit also includes for each connecting rod (13) to be mounted between the driven lever (12) and the driving lever (14) a set of several connecting rods (13), which have different connecting rod lengths (B) between the first end part (131) and the second end part (132):said connecting rods (13) of the set comprising at least one connecting rod (13a), referred to as long, having a first connecting rod length (Ba) for aggregates in a first particle size range (Ga), and at least one connecting rod (13b), referred to as short, having a second connecting rod length (Bb) for aggregates in a second particle size range (Gb),the first connecting rod length (Ba) being greater than the second connecting rod length (Bb),the first particle size range (Ga) being lower than the second particle size range (Gb).
- Kit according to claim 13, characterized in that the connecting rods (13) of the set include at least one connecting rod (13c), referred to as intermediate, having a third connecting rod length (Bc) for aggregates located in a third particle size range (Gc),the third connecting rod length (Bc) being greater than the second connecting rod length (Bb) and being smaller than the first connecting rod length (Ba),the third particle size range (Gc) being lower than the second particle size range (Gb) and being higher than the first particle size range (Ga).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP22306778.6A EP4379140B1 (en) | 2022-12-02 | 2022-12-02 | Mobile unit for manufacturing and/or repairing a road surface and kit provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP22306778.6A EP4379140B1 (en) | 2022-12-02 | 2022-12-02 | Mobile unit for manufacturing and/or repairing a road surface and kit provided with same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP4379140A1 EP4379140A1 (en) | 2024-06-05 |
| EP4379140C0 EP4379140C0 (en) | 2025-07-16 |
| EP4379140B1 true EP4379140B1 (en) | 2025-07-16 |
Family
ID=84537168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22306778.6A Active EP4379140B1 (en) | 2022-12-02 | 2022-12-02 | Mobile unit for manufacturing and/or repairing a road surface and kit provided with same |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP4379140B1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2525125B1 (en) * | 1982-04-16 | 1987-12-24 | Hardy & Cie | SPREADING DEVICE FOR GRANULAR OR POWDER MATERIAL |
| FR2671567B1 (en) * | 1991-01-11 | 1993-07-02 | Mauguin Sa | SIMULTANEOUS SPREADING MACHINE OF AT LEAST ONE SOLID MATERIAL AND A BINDER. |
| FR2850403B1 (en) * | 2003-01-23 | 2010-02-19 | Mauguin | METHOD AND DEVICE FOR MAKING THE FLOW OF THE GRAVELS OF AN EXTRACTOR ROLLER |
| FR2875515B1 (en) * | 2004-09-21 | 2006-12-22 | Famaro Sa | DEVICE FOR SPREADING GRAVELS WITH CONSTANT ASSAY AT THE BACK OF A TRUCK TIP OF A TRUCK |
-
2022
- 2022-12-02 EP EP22306778.6A patent/EP4379140B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP4379140C0 (en) | 2025-07-16 |
| EP4379140A1 (en) | 2024-06-05 |
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