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WO2004113138A1 - Dispositif support pour vehicule - Google Patents

Dispositif support pour vehicule Download PDF

Info

Publication number
WO2004113138A1
WO2004113138A1 PCT/AT2004/000203 AT2004000203W WO2004113138A1 WO 2004113138 A1 WO2004113138 A1 WO 2004113138A1 AT 2004000203 W AT2004000203 W AT 2004000203W WO 2004113138 A1 WO2004113138 A1 WO 2004113138A1
Authority
WO
WIPO (PCT)
Prior art keywords
support
support device
adjusting
supporting
drive
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.)
Ceased
Application number
PCT/AT2004/000203
Other languages
German (de)
English (en)
Inventor
Erwin Affenzeller
Helmut Peherstorfer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rosenbauer International AG
Original Assignee
Rosenbauer International AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rosenbauer International AG filed Critical Rosenbauer International AG
Publication of WO2004113138A1 publication Critical patent/WO2004113138A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00—Resilient suspensions for a single wheel
    • B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
    • B60G3/185—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram the arms being essentially parallel to the longitudinal axis of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
    • B60S9/14—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for both lifting and manoeuvring
    • B60S9/16—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for both lifting and manoeuvring for operating only on one end of vehicle
    • B60S9/20—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for both lifting and manoeuvring for operating only on one end of vehicle with fluid-pressure lift
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/421—Pivoted lever mechanisms for mounting suspension elements, e.g. Watt linkage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/422—Links for mounting suspension elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/40—Variable track or wheelbase vehicles
    • B60G2300/402—Extra load carrying wheels, e.g. tag axles

Definitions

  • the invention relates to a support device as described in the preamble of claim 1.
  • Support devices with support wheels are known, for example, from the prior art for semitrailers in order to support them for uncoupling the towing vehicle from the roadway, these support devices being formed, for example, by mechanically adjustable telescopic supports, in which the support height can be adjusted to prevent a decoupling process from To allow towing vehicle.
  • the object of the invention is to provide a support device for a motor vehicle in order to reduce the supporting force acting as a specific load on a footprint due to the total weight or axle pressures of the vehicle and with which at least limited driving operation is possible.
  • the surprising advantage here is that with a support device designed in this way, a sufficiently large support height is achieved with a small overall length and a high support force can be achieved with a low actuating force, since the possible kinematics of a multi-articulated lever arrangement forming the support device achieve advantageous power transmission ,
  • the support device is therefore suitable for heavy-duty vehicles, in particular emergency vehicles that are moved or parked for the purpose of transfers to contact areas, the surface loads of which are limited, for example in airplanes, ships, loading ramps, etc., and also makes it possible to provide a higher overall weight of the motor vehicle by increasing the number of support points .
  • the use of an adjusting device assigned to the multi-articulated lever arrangement furthermore makes it possible to adapt the supporting force when the supporting height changes, thereby providing a high level of security against permissible surface loads being exceeded.
  • an embodiment according to claim 2 is also possible, as a result of which a lever arrangement that is simple to manufacture is used.
  • a design advantageously characterized in claim 4 ensures linear adjustment in a component with simultaneous pivot adjustment for end regions of the base lever with cost-effective production and assembly.
  • a training as described in claim 13 is also advantageous, because as a result, the supporting force to be applied by the supporting device to reduce surface loads in the area of the wheels of the motor vehicle in each case by the supporting device, which is required by the supporting device in an automated process and thus with a high rate, regardless of possibly changing axle pressures Security for compliance with the specified support force.
  • an embodiment according to claim 14 is also advantageous since it is possible to retrofit existing vehicles with the support device and can very easily apply them to a vehicle when there is a specific need, for transport purposes of the vehicle.
  • Figure 1 shows a motor vehicle with the support device according to the invention in view.
  • Figure 2 shows the support device in a schematic representation.
  • Fig. 3 shows a further embodiment of the support device according to the invention with a
  • Fig. 5 shows the motor vehicle with the support device according to the invention, partially on a ramp.
  • a motor vehicle 1 shows a motor vehicle 1, in particular an emergency vehicle, such as a fire-fighting vehicle, for use at airports, for example, which generally has a very high overall weight due to the technical equipment but also the high volume of extinguishing liquid carried.
  • an emergency vehicle such as a fire-fighting vehicle
  • airports for example, which generally has a very high overall weight due to the technical equipment but also the high volume of extinguishing liquid carried.
  • motor vehicles with special functions such as military vehicles, police vehicles and similar vehicles are also possible.
  • the motor vehicle 1 is provided with a chassis 4 which has a front axle 2 and a rear axle 3 and which, with the corresponding structures, e.g. a vehicle operator's cab 5 and a utility structure 6 is equipped with the appropriate internals of devices 7 and tanks 8.
  • a drive mechanism 10 consisting of a drive motor 11 and a transmission mechanism 12, is installed or integrated in a chassis frame 9.
  • the front axle 2 and rear axle 3 are provided with corresponding wheels 13 via which a punctual supporting force - according to arrows 15 - acts on a front surface 14 according to the distribution of the total weight of the motor vehicle 1 on the front axle load and rear axle load and the respective number of wheels and which is decisive for the Surface load of the contact area.
  • the motor vehicle 1 is provided in the region between the front axle 2 and the rear axle 3 with a support device 17 acting between the chassis longitudinal members 16 and the contact surface 14, with at least one support wheel 18 each.
  • These support devices 17 are preferably provided on at least two of chassis longitudinal members 16, which are embodied in mirror-image fashion and run in mutually parallel planes. Therefore, the description of the number of support devices 17 used on motor vehicle 1 can be omitted in the further description, although one or more than two are also possible.
  • the support wheel 18 is on a support device 19 which is adjustable in a direction approximately perpendicular to the contact surface 14 about an axis of rotation 21 parallel to the contact surface 14 and perpendicular to a distance 20 between the front axle 2 and the rear axle 3 in an end region 22 facing the contact surface 14 the support device 19 rotatably mounted.
  • the support device 19 is formed by a multi-joint lever arrangement 23 in the manner of a scissor lever arrangement. This is adjustable by means of an adjusting drive 24 between positions in which the support wheel 18 is removed from the contact surface 14 or is supported on the contact surface 14.
  • the support device 17 is now shown in a schematic representation with the support device 19 and the support wheel 18 rotatably mounted in the end region 22.
  • a support profile 29, in particular an open C-profile 30 facing the contact area, is fastened on an underside 28 of the chassis longitudinal member 16 facing the contact area 14. Due to its profiling, this forms a linear guide 31 for bearing blocks 33 which are adjustably mounted in it via roller arrangements 32 and which are adjustable relative to one another - according to double arrow 34 -.
  • the bearing blocks 33 are provided with bearing arrangements 35, in which base levers 36 of the multi-joint lever arrangement 23 are pivotably mounted about pivot axes 37 which run perpendicular to the longitudinal extent of the support profile 29.
  • the multi-articulated lever arrangement 23 in the exemplary embodiment shown is a four-articulated scissor lever system that supports the support wheel 18 so that it can rotate about the axis of rotation 21 in an end region 38 spaced apart from the support profile 29. If the bearing blocks 33 are now moved relatively towards one another, the support wheel 18 moves in the direction of the contact surface 14 and, in the extended end position, brings about the support force - according to arrow 25.
  • a bearing block 33 is formed by means of the adjusting drive 24, in the exemplary embodiment shown formed by an actuating cylinder 39 which can be pressurized with a pressure medium, e.g. hydraulic cylinder, pneumatic cylinder, spindle drive etc.
  • a pressure medium e.g. hydraulic cylinder, pneumatic cylinder, spindle drive etc.
  • the bearing block 33 supporting the further base lever 36 is supported in the axial direction, parallel to the linear guide 31, against the action of an adjusting device 42 formed by a compression spring 41 on the support profile 29 or against an abutment 43 fastened thereon.
  • the compression spring 40 is in a prestressed state to compensate for any height differences caused by unevenness of the contact surface 14 with the spring force remaining almost constant and thus the support force - according to arrow 25.
  • a possible embodiment for prestressing the compression spring is to be arranged on a telescopic tube arrangement between support disks, the telescopic tube arrangement being counter to the action of the spring force, e.g. is clamped by means of a clamping screw.
  • the actuating cylinder 40 is retracted and the support wheel is thus moved into the retracted position on the support profile 29 via the scissor-lever arrangement.
  • FIG. 3 shows in detail a further embodiment of the adjusting device 42 of the support device 17 according to the invention, in which a control device 47 is arranged between the abutment 43 arranged on the support profile 29 and the compression spring 41, in order to achieve a height difference 49 caused by uneven ground such as shown in dashed lines to compensate for the resulting change in spring force - according to arrow 48.
  • This control device 47 comprises, for example, a pressure sensor 50 between the abutment 43 and the compression spring 41 and a motorized one, for example via a screw or spin Delrete 51 formed compensating device 52, with an adjusting element 53 which regulates the spring force.
  • a prestressed spring length 54 is thus regulated in the event of changes caused by unevenness, ie it is kept the same.
  • a control device 55 e.g. B. powered by battery, is wired to record the measured values with the pressure sensor 50 and controls according to predetermined parameters the adjustment of the actuating element 53 to keep the spring force constant regardless of a spring travel 56, caused by the difference 46 in the extension path of the support wheel 18 - as this with dashed lines Lines is shown.
  • FIG. 4 Another embodiment of the support device 17 is shown in FIG. 4. According to this, the base lever 36 opposite the adjusting drive 24 is mounted so that it can pivot about the pivot axis 37 in a bearing block 58 which is fixed immovably on the support profile 29.
  • the further bearing block 33 which is drive-connected to the adjusting drive 24, in the concrete example the actuating cylinder 39, is slidably mounted in the support profile 29 forming the linear guide 31 in the longitudinal direction of the support profile 29.
  • the actuating cylinder 39 is also supported on the support profile 29 on the abutment 40.
  • the actuating cylinder 39 is actuated, for example, from a motor vehicle hydraulic system, not shown, with a Print media.
  • the actuating cylinder is supplied with the medium for lowering the supporting device (19) and for reaching a predetermined supporting force - according to arrow 25 - via an electro-hydraulic control device 59 which, in this exemplary embodiment, forms the adjusting device 42 for the supporting force of the supporting device 19 to be applied.
  • control device 59 comprises a data memory 60 and a computer 61 and is connected via lines 62 to the vehicle controller (not shown further), from which the control device 59 is supplied with measurement data about current axle loads of the motor vehicle.
  • the control device 59 is supplied with measurement data about current axle loads of the motor vehicle.
  • the medium pressures required to achieve a support force corresponding to the axle loads are stored for acting on the actuating cylinder 39 and are used to actuate the actuating cylinder 39 with the pressure medium - arrow 63 - used.
  • the motor vehicle 1 equipped with the support device 17 during a loading process is e.g. shown on a load platform 64 of an aircraft, ship, etc.
  • the front axle 2 is supported via the wheels 13 in the position shown on an access ramp 65, while the rear axle 3 with the wheels 13 are still supported on the contact surface 14.
  • the support device In order to avoid an associated increase in the support forces on the wheels 13 - according to arrow 15 - and to avoid exceeding a limited surface load on the ramp 65, the support device 1, as already described in the previous figures, assigns the adjusting device 42 Readjustment of the spring force of the compression spring 41 or the adjusting force of the adjusting drive 24.
  • the exemplary embodiments show possible design variants of the support device 17, it being noted at this point that the invention is not restricted to the specially illustrated design variants of the support device, but rather also various combinations of the individual design variants with one another are possible, and this variation possibility is based on the teaching of technical action by means of representational examples invention lies in the ability of the specialist working in this technical field.
  • the scope of protection also includes all conceivable design variants which are possible by combining individual details of the design variant illustrated and described.
  • FIGS. 1, 2; 3; 4; 5 shown embodiments form the subject of independent, inventive solutions.
  • the relevant tasks and solutions according to the invention can be found in the detailed descriptions of these figures.
  • Motor vehicle 36 base lever front axle 37 swivel axis rear axle 38 end area chassis 39 actuating cylinder vehicle control cabin 40 abutment useful structure 41 compression spring device 42 actuator tank 43 abutment chassis frame 44 end lever drive mechanism 45 wheel bearing drive motor 46 transmission mechanism 47 control device wheel 48 arrow footprint 49 height difference arrow 50 pressure sensor chassis longitudinal member 51 screw- or spindle drive support device 52 compensating device support wheel 53 control element support device 54 spring length distance 55 control device rotary axis 56 spring travel end area 57 support height multi-link lever arrangement 58 bearing block adjustment drive 59 control device arrow 60 data storage distance 61 computer distance 62 cable underside 63 arrow support profile 64 load platform C-profile 65 ramp ramp linear guide 66 Transition area arrangement 67 connecting line - bearing block 68 support point double arrow bearing arrangement

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

L'invention concerne un dispositif support (17) pour véhicule (1), en particulier pour véhicule d'intervention, tel que véhicule de pompiers, militaire, de police, comprenant au moins un dispositif support (19) réglable, via une commande de réglage (24), pouvant être fixé, orienté vers une surface de contact (14) du véhicule (1), sur un cadre (9) du châssis du véhicule, ledit dispositif support comprenant au moins une roue d'appui (18). Le dispositif support (19) est formé par un dispositif à levier (23) à articulations multiples, monté pivotant ou déplaçable, via des leviers de base (36) sur un profilé d'appui (29). A au moins un levier de base (36) du dispositif à levier (23) à articulations multiples, est associé un dispositif de réglage pour une force d'appui de la roue d'appui (18), exercée suivant une direction sensiblement verticale par rapport à la surface de contact (14).
PCT/AT2004/000203 2003-06-26 2004-06-14 Dispositif support pour vehicule Ceased WO2004113138A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA983/2003 2003-06-26
AT9832003 2003-06-26

Publications (1)

Publication Number Publication Date
WO2004113138A1 true WO2004113138A1 (fr) 2004-12-29

Family

ID=33520106

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2004/000203 Ceased WO2004113138A1 (fr) 2003-06-26 2004-06-14 Dispositif support pour vehicule

Country Status (1)

Country Link
WO (1) WO2004113138A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106428286A (zh) * 2016-10-27 2017-02-22 华南农业大学 一种可使汽车自由移动装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1920216A (en) * 1930-05-14 1933-08-01 Thomas Pupillo Automatic vehicle jack
US1984766A (en) * 1933-07-22 1934-12-18 Loys R Sessions Motor vehicle jack
US1997095A (en) * 1933-08-14 1935-04-09 Highway Trailer Co Trailer support
US1998641A (en) * 1934-04-23 1935-04-23 Harry A Shaw Spring suspension
US2016468A (en) * 1932-07-18 1935-10-08 Highway Trailer Co Trailer vehicle support and locking means therefor
US2233145A (en) * 1939-10-12 1941-02-25 Alfred F Schimek Spring suspension
US4223912A (en) * 1978-06-22 1980-09-23 Daniel Reyes Vehicular wheel load reducing device
US4711464A (en) * 1985-06-12 1987-12-08 Michael Bilas Wheel lift
DE10144111A1 (de) * 2001-09-08 2003-03-27 Zahnradfabrik Friedrichshafen Elektromechanische Niveauregulierung eines Kraftfahrzeuges

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1920216A (en) * 1930-05-14 1933-08-01 Thomas Pupillo Automatic vehicle jack
US2016468A (en) * 1932-07-18 1935-10-08 Highway Trailer Co Trailer vehicle support and locking means therefor
US1984766A (en) * 1933-07-22 1934-12-18 Loys R Sessions Motor vehicle jack
US1997095A (en) * 1933-08-14 1935-04-09 Highway Trailer Co Trailer support
US1998641A (en) * 1934-04-23 1935-04-23 Harry A Shaw Spring suspension
US2233145A (en) * 1939-10-12 1941-02-25 Alfred F Schimek Spring suspension
US4223912A (en) * 1978-06-22 1980-09-23 Daniel Reyes Vehicular wheel load reducing device
US4711464A (en) * 1985-06-12 1987-12-08 Michael Bilas Wheel lift
DE10144111A1 (de) * 2001-09-08 2003-03-27 Zahnradfabrik Friedrichshafen Elektromechanische Niveauregulierung eines Kraftfahrzeuges

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106428286A (zh) * 2016-10-27 2017-02-22 华南农业大学 一种可使汽车自由移动装置

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