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EP0367951B1 - Fraiseuse pour écarter l'asphalte ou le béton de pavage le long d'un contour quelconque - Google Patents

Fraiseuse pour écarter l'asphalte ou le béton de pavage le long d'un contour quelconque Download PDF

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Publication number
EP0367951B1
EP0367951B1 EP89117186A EP89117186A EP0367951B1 EP 0367951 B1 EP0367951 B1 EP 0367951B1 EP 89117186 A EP89117186 A EP 89117186A EP 89117186 A EP89117186 A EP 89117186A EP 0367951 B1 EP0367951 B1 EP 0367951B1
Authority
EP
European Patent Office
Prior art keywords
milling
chassis
miller
milling head
shaft
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.)
Expired - Lifetime
Application number
EP89117186A
Other languages
German (de)
English (en)
Other versions
EP0367951A1 (fr
Inventor
Walter Schölkopf
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.)
SCHOELKOPF, WALTER
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT89117186T priority Critical patent/ATE97969T1/de
Publication of EP0367951A1 publication Critical patent/EP0367951A1/fr
Application granted granted Critical
Publication of EP0367951B1 publication Critical patent/EP0367951B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
    • 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
    • E01C23/08—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 for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
    • E01C23/085—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 for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
    • E01C23/088—Rotary tools, e.g. milling drums
    • E01C23/0885—Rotary tools, e.g. milling drums with vertical or steeply inclined rotary axis

Definitions

  • the invention relates to a milling machine for removing an asphalt, concrete or the like existing road surface according to the preamble of claim 1.
  • a milling machine is known from AT-B 374 523, the chassis of which runs on rails with fixed wheels.
  • a guide frame with a carriage which can be moved transversely to the direction of travel is arranged transversely to the direction of travel of the chassis and carries a milling head directed towards the ground with a diamond-coated disk and vertical drive shaft.
  • the rails guiding the chassis must be designed so that the roadway area to be removed lies between the rails. Only then is the milling machine placed on the track and the cutting disc lowered into the track groove in order to remove part of the pavement for leveling.
  • the entire milling machine When lifting off the old road surface, the entire milling machine has to be moved in the longitudinal direction of the rails, the chassis always being above the working area of the milling head, that is to say largely covering the working area.
  • the roadway area to be removed is inevitably limited by the rails to be laid beforehand, which can lead to problems in particular if the area to be removed is considerably larger than the track width of the chassis.
  • the rails must then be laid on the pavement to be renovated, which is technically and time-consuming.
  • the known milling machine is essentially designed for machining straight sections; Strong curvatures such as in the edge areas at road crossings and the like cannot be machined with reasonable effort.
  • the invention has for its object to develop a generic milling machine such that a road surface or the like. Can be milled along any contour without great technical effort and time-consuming setup.
  • the chassis is freely steerable, so it does not run on rails.
  • the milling head can thus be moved into a starting position that is favorable for machining by maneuvering the chassis.
  • the telescopic arm which is adjustable in length and carries the vertically extending milling head carrier plate with the drive motor and the milling shaft, is aligned in the longitudinal direction of the chassis and protrudes beyond the chassis. This enables a visual inspection of the working area of the milling head. Due to the design as a telescopic arm, the milling head is adjustable in the longitudinal direction of the chassis; The carriage can be moved transversely to the longitudinal axis of the chassis by means of the carriage which can be moved transversely to the longitudinal axis of the chassis on the guide frame.
  • the milling head By combining the movements in the chassis longitudinal direction and transversely to the chassis longitudinal direction, the milling head can be moved into any position without moving the chassis itself. Circles can be milled as well as any contours without great technical difficulties and scaffolding. It is essential that the milling head, once lowered to its working level, does not change its height despite its movement, since the steerable chassis remains stationary during machining of the contour.
  • the chassis of the milling machine according to the invention is advantageously designed with height-adjustable wheels, so that the milling unit can be arranged at a fixed height on the support arm. It may also be expedient to attach the milling unit to the support arm in a height-adjustable manner and to use a chassis with height-fixed wheels.
  • the milling machine consists of a chassis 1 which is supported on the floor 3 via wheels 2.
  • Each wheel 2 is attached to the piston rod 4, which is preferably square in section, of a piston / cylinder unit 5.
  • the piston rod made of square tube is in the direction of the arrow 6 adjustable in height so that the position of the chassis 1 to the floor 3 can be adjusted as desired.
  • At least the two wheels 2 located at the front in the direction of travel 7 are arranged so as to be rotatable about vertical steering axes 8, for which purpose a rotating ring 4a is arranged between the piston rod 4 and the wheel 2.
  • a wheel 2 is fixed on the turntable 4a in a rotationally fixed manner via a wheel carrier 4b.
  • the rotation of the wheel 2 is also controlled hydraulically.
  • All four wheels of the chassis are preferably rotatable about vertical steering axes 8. In this way, the chassis is easy to maneuver.
  • a drive motor 9 is arranged on the chassis 1 and lies approximately in front of the rear wheels 2 in the direction of travel 7.
  • the drive motor 9 is preferably an internal combustion engine which is coupled to a hydraulic motor 10.
  • the hydraulic motor 10 feeds - via the control panel 11 - the piston / cylinder units 5 of the individual impellers 2 and the hydraulic wheel hub motors (not shown) arranged on the individual impellers 2.
  • the steering movement about the steering axles 8 is hydraulically controlled by means of a steering wheel 12 provided on the control panel 11.
  • the control panel 11 is preferably arranged on a support arm 19 described in more detail below, so that the control seat 12a forms the highest point of the milling machine. The driver thus has a clear view of all sides, which is necessary for precise work.
  • a guide frame 13 is fastened, which lies transverse to the longitudinal axis 14 of the chassis.
  • the cross member 15 of the guide frame are parallel to each other at a right angle to the longitudinal central axis 14 (Fig. 2).
  • the cross members 15 have a U-shape Cross-section and face each other with their openings. They are rigidly connected to one another at their ends by longitudinal beams 16 running parallel to the longitudinal central axis 14 and are also fixed, preferably welded, to the frame of the chassis 1.
  • a carriage 17 is guided in the U-shaped cross members 15.
  • This consists essentially of a rectangular frame lying in the plane of the cross member 15, on the narrow sides of which two sliding rollers 18 are arranged, which are held in the U-profile of the cross member.
  • An outer square tube 19 is fastened on the carriage 17 and can thus be moved in the guide frame 13 transversely to the longitudinal central axis 14 of the chassis 1.
  • a hydraulic actuating device 20 in particular, is provided, which in the exemplary embodiment consists of a hydraulic piston / cylinder unit.
  • the front end of the piston rod 21 is articulated on the carriage 17, while the rear end of the cylinder 22 is fixed on the side member 16.
  • an inner square tube 25 is axially displaceably guided.
  • an adjusting device 26 is arranged on a long side of the outer square tube 19, which in the exemplary embodiment shown consists of a hydraulic piston / cylinder unit.
  • the rear end of the cylinder 27 is articulated on the rear end of the square tube 19 and the front end of the piston rod 28 on the inner square tube 25.
  • the inner square tube 25 can be moved in the sense of the double arrow 29 with the hydraulic piston / cylinder unit 26.
  • the guide frame 13 projects laterally over the chassis 1, so that the carriage can be moved to the side next to the chassis.
  • the length of the outer square tube 19 is also greater than the width of the guide frame 13 measured in the direction of the longitudinal central axis 14.
  • the square tube 19 preferably projects further at its front end than at its rear end.
  • the mutually movable square tubes 19, 25 together form a support arm 30 which projects in the direction of travel 7 (FIG. 1) beyond the front end of the chassis 1.
  • a vertical support plate 31 is attached, the lower end 32 of which faces the floor is located slightly below the height of the chassis 1. The upper end of the support plate 31 projects vertically beyond the outer square tube 19.
  • Horizontal holding flanges 33 to 36 extend from the carrier plate in the direction of travel 7 to the front, the uppermost holding flange 36 holding a drive 37, preferably a hydraulic geared motor. From the drive 37 leads through the other holding flanges 33 to 35 a milling shaft 38 which carries a milling head 39 at its lower end.
  • the - preferably made of solid material - milling shaft 38 is held and supported in the holding flanges 33 to 35 in specialist bearings.
  • a bearing and lubrication device 40 for the milling shaft 38 is provided between the holding flange 34 and the holding flange 35. Furthermore, a pressure bearing acting from above and from below is advantageously provided.
  • the milling head 39 is held in a rotationally fixed manner by means of a quick-release fastener at the lower free end of the milling shaft 38 and lies below the lower end 32 of the carrier plate 31 at the level of the wheels 2.
  • the hydraulic motor 37 is connected to the control panel 11 via a hydraulic hose 41 and is in the Speed controlled from the control panel. In this way, the milling head is arranged at a fixed height on the support arm 30.
  • the pavement can be milled along any contour. If, for example, a square manhole cover 42 or a round manhole cover 43 is provided in the roadway, the milling machine moves into position and the height of the milling head 39 is adjusted by changing the height of the impellers.
  • the milling head 39 is moved up to the manhole cover 43 or the manhole cover 42 via the hydraulic adjusting devices 20, 26.
  • the milling head 39 is guided along the circular contour of the duct cover 43 by superimposing the adjusting movements of the adjusting device 20, 26. If it is necessary to mill along the contour of a manhole cover 42, one or the other hydraulic actuating device is controlled independently of the other.
  • the milling shaft is driven at around 50 revolutions per minute.
  • the milling head used in the exemplary embodiment according to FIGS. 1 and 2 is shown enlarged in section in FIG. 3. It essentially consists of a cylindrical body 44 with a central receptacle 45 provided on one end face.
  • the cylindrical body is equipped with milling teeth 47 approximately to half the height and on its end face 46 facing the floor 3.
  • milling teeth 47 approximately to half the height and on its end face 46 facing the floor 3.
  • These are evenly distributed over the circumference of the body 44.
  • the milling teeth arranged on the circumferential surface 49 are arranged helically and form a turn which merges into the milling teeth 47 standing on the edge.
  • the loosened material is gripped by the winding and transported vertically upwards.
  • the milling head 39 is non-rotatably connected to the lower end of the milling shaft 38 by a correspondingly designed quick-release fastener or by means of a securing bolt 51.
  • the milling head 39 is held on the milling shaft 38 so that it can be replaced easily.
  • a beam milling head 39a according to FIG. 4 can also be used.
  • This consists of two bars 52, 53 arranged at right angles to one another, the longitudinal sides 54 of which face the floor are evenly covered with milling teeth 47.
  • the outer end faces 55 of the beams 52, 53 are equipped with milling teeth 47.
  • a milling tooth 47 is arranged, the longitudinal axis of which lies at an angle of approximately 45 ° to the vertical central axis of the milling shaft.
  • the milling teeth are preferably arranged in a row from one outer end face 55 over the edge 56 and the long side 54 to the other outer end face 55.
  • a receptacle 57 for attaching the milling head 39a to the milling shaft 38 is also provided in the center of the cross bar.
  • the guide frame 13, the carriage 17 and the support arm 19 with the support plate 31 and the drive unit are advantageously designed as a structural unit and can be attached to any road construction machine or other vehicle as add-on parts.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Repair (AREA)

Claims (9)

  1. Fraiseuse pour démolir un revêtement routier, composé d'asphalte, de béton, ou autres, avec un premier moteur de commande (9), disposé sur un châssis (1) et prévu pour ce dernier, et avec un bâti-guide (13), disposé sur le châssis (1), à la transversale de l'axe médian longitudinal (14) de ce dernier, et prévu pour un support (30), qui est fixé sur un chariot (17), mobile sur le bâti-guide (13) à la transversale du sens longitudinal (14) du châssis, et qui supporte une tête de fraisage (39, 39a), dirigée vers le sol (3), la tête de fraisage (39, 39a) étant reliée, par l'intermédiaire d'un rotor scarificateur (38) vertical, à un second moteur de commande (37) pour le rotor (38), et le chariot (17) pouvant se déplacer à la transversale de l'axe longitudinal (14) du châssis, par l'intermédiaire d'un dispositif de commande (20), caractérisée en ce que le châssis (1) est orientable, et en ce que le support est un bras télescopique (30) de section rectangulaire, réglable en longueur, qui s'étend dans le sens longitudinal (14) du châssis, est fixé, par l'une de ses extrémités, sur le chariot (17), dépasse du châssis (1) par son autre extrémité, et maintient une plaque-support (31) verticale de la tête de fraisage, cette plaque supportant le second moteur de commande (37) pour le rotor scarificateur (38), ainsi que le rotor (38), et le rotor scarificateur (38) étant supporté, en plusieurs points de préférence, entre le moteur (37) et la tête de fraisage (39, 39a).
  2. Fraiseuse suivant la revendication 1, caractérisée en ce que le rotor scarificateur (38) se compose d'un matériau plein.
  3. Fraiseuse suivant l'une des revendications 1 et 2, caractérisée en ce que le châssis (1) est réglable en hauteur, la tête de fraisage (39, 39a) étant disposée sur le bras-support (30) à une hauteur fixe.
  4. Fraiseuse suivant l'une quelconque des revendications 1 à 3, caractérisée en ce que le bâti-guide (13), avec le chariot (17), le bras-support (30) et la tête de fraisage (39, 39a), forme une unité de montage.
  5. Fraiseuse suivant l'une quelconque des revendications 1 à 4, caractérisée en ce que le bâti-guide (13) dépasse latéralement du châssis (1), et se compose de préférence de deux traverses (15), situées à la transversale de l'axe longitudinal (14) du châssis, dotées d'une section en U, et tournées l'une vers l'autre par leurs ouvertures.
  6. Fraiseuse suivant l'une quelconque des revendications 1 à 5, caractérisée en ce que la tête de fraisage (39) est un corps de base (44) cylindrique, garni de dents piocheuses (47) sur sa face frontale (46), tournée vers le sol (3), et sur la surface périphérique (49) prolongeant cette dernière, les dents piocheuses (47), disposées sur la surface périphérique (49), formant de préférence une spire en forme d'hélice, de sorte qu'il en résulte, en combinaison avec le sens de rotation, un mouvement de transport dirigé vers le haut, à la verticale.
  7. Fraiseuse suivant la revendication 6, caractérisée en ce que des dents piocheuses (47), dont l'axe médian longitudinal se situe sous un angle de 45°, de préférence, par rapport à l'axe (50) du rotor scarificateur, sont disposées sur le bord (48), formé entre la face frontale (46) et la surface périphérique (49).
  8. Fraiseuse suivant l'une quelconque des revendications 1 à 7, caractérisée en ce que la tête de fraisage (39a) est une croix de poutres, les côtés longitudinaux (54), tournés vers le sol, ainsi que les faces frontales externes (55), étant garnis de dents piocheuses (47).
  9. Fraiseuse suivant la revendication 8, caractérisée en ce qu'une dent piocheuse (47), qui se situe de préférence sous un angle de 45° environ par rapport à l'axe vertical (50) du rotor scarificateur, est prévue sur chaque bord (56), entre le côté longitudinal (54) et la face frontale externe (55).
EP89117186A 1988-11-08 1989-09-16 Fraiseuse pour écarter l'asphalte ou le béton de pavage le long d'un contour quelconque Expired - Lifetime EP0367951B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89117186T ATE97969T1 (de) 1988-11-08 1989-09-16 Fraesmaschine zum abtragen einer aus asphalt, beton oder dergleichen bestehenden fahrbahndecke entlang einer beliebigen kontur.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3837819A DE3837819A1 (de) 1988-11-08 1988-11-08 Fraesmaschine zum abtragen einer aus asphalt, beton oder dgl. bestehenden fahrbahndecke entlang einer beliebigen kontur
DE3837819 1988-11-08

Publications (2)

Publication Number Publication Date
EP0367951A1 EP0367951A1 (fr) 1990-05-16
EP0367951B1 true EP0367951B1 (fr) 1993-12-01

Family

ID=6366694

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89117186A Expired - Lifetime EP0367951B1 (fr) 1988-11-08 1989-09-16 Fraiseuse pour écarter l'asphalte ou le béton de pavage le long d'un contour quelconque

Country Status (3)

Country Link
EP (1) EP0367951B1 (fr)
AT (1) ATE97969T1 (fr)
DE (2) DE3837819A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10153075C1 (de) * 2001-10-30 2003-02-06 Dirk Domning Vorrichtung zum Bearbeiten einer Fläche aus Beton, Estrich oder dergleichen

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK169412B1 (da) * 1992-09-14 1994-10-24 Gershon Friedman Apparat til friskæring af dæksel i belægning, f.eks. asfaltbelægning
DE9401538U1 (de) * 1994-01-31 1994-03-17 Humme, Thomas, 52385 Nideggen Fräsmaschine
DE4435955A1 (de) * 1994-10-07 1996-04-11 Konrad Ratzesberger Anbaufräskopf
US5765926A (en) * 1996-05-03 1998-06-16 Knapp; Roger O. Apparatus for routering a surface and a cutting head and tool piece therefor
DE19631042C5 (de) * 1996-08-01 2015-08-20 Wirtgen Gmbh Straßenbaumaschinen zum Bearbeiten von Fahrbahnen
DE59906542D1 (de) * 1999-01-19 2003-09-11 Rag Ag Senkmaschine mit vertikal-schwenkwalzen
DE19919025A1 (de) * 1999-04-27 2000-11-02 Gudrun Mietz Verfahren und Vorrichtung zur Reparatur oder zum Ersetzen von Teilen einer bituminösen Straßendecke
DE20017850U1 (de) * 2000-10-18 2000-12-21 Kresken, Josef, 40721 Hilden Fräskopf zum Längs- und Querschneiden von Böden
FR3068374A1 (fr) * 2017-06-29 2019-01-04 Lomaroute Machine excavatrice pour ronger les bordures et les caniveaux

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE531235A (fr) *
FR1359836A (fr) * 1963-03-18 1964-04-30 Machine pour le curage des fossés
FR1483272A (fr) * 1966-06-10 1967-06-02 Perfectionnements aux broyeurs de végétaux à rotors et aux fraises rotatives cureuses de fossés
AT374523B (de) * 1980-04-22 1984-05-10 Possehl Spezialbau Ges Mbh Verfahren und vorrichtung zum abtragen von unebenheiten an betonfahrbahnen
US4758050A (en) * 1984-07-06 1988-07-19 Equipment Development Co., Inc. Stripping machine cutter finger assembly
FR2624899A1 (fr) * 1987-12-18 1989-06-23 Rabaud Claude Machine pour le creusage de rigoles sur le bord des routes, pour l'evacuation de l'eau

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10153075C1 (de) * 2001-10-30 2003-02-06 Dirk Domning Vorrichtung zum Bearbeiten einer Fläche aus Beton, Estrich oder dergleichen

Also Published As

Publication number Publication date
DE58906307D1 (de) 1994-01-13
EP0367951A1 (fr) 1990-05-16
DE3837819A1 (de) 1990-05-10
ATE97969T1 (de) 1993-12-15

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