EP0250344B1 - Installation for repairing and checking car bodies - Google Patents

Installation for repairing and checking car bodies Download PDF

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Publication number
EP0250344B1
EP0250344B1 EP87420160A EP87420160A EP0250344B1 EP 0250344 B1 EP0250344 B1 EP 0250344B1 EP 87420160 A EP87420160 A EP 87420160A EP 87420160 A EP87420160 A EP 87420160A EP 0250344 B1 EP0250344 B1 EP 0250344B1
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EP
European Patent Office
Prior art keywords
bedplate
marble
shoe
intended
base
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Expired
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EP87420160A
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German (de)
French (fr)
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EP0250344A1 (en
Inventor
Germain Celette
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Celette SA
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Celette SA
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Application filed by Celette SA filed Critical Celette SA
Priority to AT87420160T priority Critical patent/ATE47337T1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/14—Straightening frame structures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S72/00—Metal deforming
    • Y10S72/705—Vehicle body or frame straightener

Definitions

  • the subject of the present invention is an installation for repairing and inspecting bodies of damaged vehicles comprising a base plate and a traction bracket.
  • a marble consists of a rectangular frame made from two U and I metal profiles with parallel wings, with mounting of two spacers between the two longitudinal profiles.
  • the anchoring clamps of the body of the vehicle can be repaired, as well as the sleepers which receive fixtures for positive type repairs, and for measuring devices.
  • a traction bracket comprises a base formed by an elongated piece, such as a tubular beam capable of being slid under the marble, equipped with means of fixing by pinching on the wings of two of the sections constituting the frame of the marble.
  • At one end of the beam forming the base is mounted an arm articulated around a horizontal axis and transverse to the beam.
  • a chain being hung, on the one hand, on the vehicle body and, on the other hand, on the arm, the latter can tilt around its axis and exert traction on the chain, under the action of a jack hydraulic.
  • a first drawback of traditional marbles lies in their lack of rigidity, which results in the marble marrying any unevenness in the ground, which can result in measurement errors, if the ground on which the marble rests is not not perfectly flat.
  • the righting angles require a very large floor area for their implementation, in particular because of the length of the beam forming the base. Given the length of this beam, it is indeed necessary to have a significant recoil with respect to the marble in order to be able to disengage the traction bracket from the latter, and to move it relative to the marble to fix it in another point of it.
  • this length of the traction brackets is further increased insofar as their base consists of two parts such as two beams in the extension of one another and articulated one on the other around d 'a vertical axis.
  • FR-A 2 511 272 relates to an apparatus according to the first part of claim 1 for straightening the chassis and bodies of vehicles comprising a tubular marble having a reinforcement nose turned on its inner face and near its upper edge.
  • a traction bracket With this chassis is associated a traction bracket whose front part is in the form of a stirrup open towards the front delimited by two horizontal plates intended to be placed, respectively, above and below the frame of the marble, the upper plate being equipped with a hook coming to engage on the nose of reinforcement of the frame.
  • this device is not satisfactory due to the fact that under conditions of use of the traction bracket, the rear part thereof, that is to say that away from the marble, tends to tilt towards the top, movement which none of the organs of the square or the marble thwarts. It is therefore not possible to obtain a good connection between the marble and the square.
  • the present invention aims to remedy these drawbacks by providing a marble having a high rigidity, which is associated with a traction bracket that can be fixed on the marble, adjusted relative thereto and manipulated around the marble without requiring a large surface.
  • the installation which it relates to of the type comprising a marble constituted by a rectangular frame produced from tubular elements, and a traction bracket whose front end is equipped with means for fixing to the marble, is characterized in that the rectangular frame is equipped, on its inwardly facing side and near its lower edge, with a metallic element of smaller section, while the traction bracket comprises a base intended to be engaged under the frame, equipped, on the one hand, at its front end and on the side of its upper edge, with a stirrup open towards the rear, intended to be engaged on the metallic element in the form of a square of the marble and , on the other hand, near this same front end, a shoe which, turned forwards, axially movable and lockable in the desired position, is intended to come to bear against the external face of one of the profiles constitutive of the frame of the ma rbre.
  • This rigidity of the marble is reinforced by the presence of the full square of smaller section, which is also used for fixing the traction bracket.
  • this traction bracket is very simple to implement, and of a reduced bulk compared to the traditional brackets, since its base does not require fixing on two of the elements of the frame, but on a single of these.
  • this structure allows, when using the traction bracket, self-locking thereof on the marble. Indeed, during the operation of the traction bracket, the end posted the latter tends to tilt upwards, movement during which the stirrup, mounted at the front end of the bracket, hangs on the element attached to the inner face of the frame, without being able to escape to it, eliminating all play between the square and the frame.
  • the return forming the upper wing of the bracket for attaching the bracket to the marble is of width less than that of the square against which the bracket rests.
  • stirrup simply covers the inner square of the marble, without pressing against the main sections thereof, which avoids any risk of deterioration of the marble.
  • the means for locking the support shoe against the external wall of one of the sections of the marble are constituted by a key with converging edges engaged in a transverse opening formed in the sleeve guide, integral with the base, of a rod whose front end is equipped with the shoe, the key pressing against the rear end of said rod.
  • the key is removed, which allows free movement of the support shoe.
  • the key is engaged on the guide sleeve with support against the shoe rod, and its shape allows a locking of the support of the shoe against the marble.
  • the base of the bracket is constituted by two beams in alignment with one another, and articulated around a vertical axis
  • the beam located on the fixing side of the base on the marble comprises a vertical cylindrical socket
  • the other beam comprises, below the said socket, a plurality of frustoconical vertical recesses, open upwards, distributed over a circular sector centered on the pivot axis of the two beams one on the other, while the end of the jack, body or rod, opposite to that articulated on the arm is equipped with articulation around a horizontal axis, of a nozzle comprising a frustoconical end of complementary shape that of the aforementioned recesses, and a cylindrical part of shape corresponding to the inside diameter of the sleeve.
  • the slope of the frustoconical end of the end piece, as well as the slope of the corresponding recesses are chosen to avoid there being an autoblocking preventing, under normal handling conditions, the withdrawal of the end piece from the recess in which he is engaged.
  • the device represented in FIG. 1 comprises a plate 2 with which a traction bracket 3 is associated.
  • the marble 2 comprises a frame produced from four tubular elements 4, between the two long sides of which are mounted two transverse spacers 5.
  • this marble is equipped with wheels 6 allowing its movement on the ground, clamps 7 for fixing the body of the vehicle to be repaired and a device designated by the general reference 8, allowing the mounting of various accessories. control.
  • the rectangular frame is equipped, on its inner face and near its lower edge, with a metallic element 9 of square section.
  • This square has the double function of reinforcing the rigidity of the tubular frame and of allowing the fixing of a traction bracket thereon.
  • the traction bracket 3 shown in more detail in FIGS. 2 and 3 comprises a base formed by two beams 12 and 13 located in alignment and articulated one on the other around an axis 14.
  • this traction bracket 3 is equipped with wheels 15, a handling handle 16, as well as an arm 17 having notches 18 for hooking a chain whose other end is hooked to the vehicle body to be repaired.
  • This arm 17 is capable of pivoting about an axis 19 horizontal and transverse to the beam 13, after having been adjusted for lateral inclination by pivoting about an axis 20 and locking at the desired inclination using a pin 22.
  • the beam 12 located on the side of the end of the bracket to be fixed on the marble, is equipped, at its front end, with a stirrup 23 comprising two parallel jaws, located on the side of the upper edge of the beam 12 and whose the opening faces back.
  • this stirrup is intended to come over the square 9 mounted on the inside of the frame, and the width of the upper branch 24 of the stirrup is less than the width of the tube 9, in order to prevent the 'end of the upper legs of the stirrup bear against a tubular member 4 and deteriorate it.
  • a mechanically welded assembly 25 comprising in particular a longitudinal sleeve 26 allowing the guiding of a rod 27 whose front end is equipped with a shoe 28 intended to come to bear against the external face of the tubular profile 4 of the marble on which the bracket is to be fixed.
  • This shoe 28 is equipped with an upper return 28a covering the upper face of the tubular profile 4 of the marble, which makes it possible to make the square integral with the marble during an upward movement of the latter, for example when it is attached to an elevator.
  • the shoe 28 can be moved axially by sliding the rod 27 in the sleeve 26, the shoe being able to be locked in the support position against a profile 4 by a key 29 with converging edges engaged in a transverse opening of the sleeve 26 and bearing on the rear end of the rod 27 of the shoe 28.
  • the mechanically welded assembly 25 is equipped, on its rearward facing side, with a cylindrical sleeve 30 with a vertical axis.
  • the beam 13 is equipped with a sleeve 32 which widens horizontally in the direction of the beam 12, and intended to come into partial recovery of the latter.
  • a sleeve 32 which widens horizontally in the direction of the beam 12, and intended to come into partial recovery of the latter.
  • On the upper face of this sleeve 32 are arranged, arranged in a circular sector centered on the axis 14 of articulation of the two beams 12 and 13, several frustoconical recesses 33 of vertical axis.
  • the bracket is traditionally equipped with a hydraulic cylinder 34.
  • the body 35 of this cylinder is mounted with articulation around a horizontal axis 36 on the arm 17, while the end of the rod 37 is equipped, with articulation around a horizontal axis 38, with a nozzle designated by the general reference 39, comprising a frustoconical end 40 of shape complementary to that of the recesses 33 and a cylindrical part 42 of diameter corresponding to the internal diameter of the socket 30.
  • the blocking of the two beams 12 and 13 in the desired angular position is achieved by engagement of the end piece 39 of the cylinder rod, on the one hand, in the socket 30 associated with the beam 12 and, on the other hand, in the tapered recess chosen, associated with the beam 13.
  • the invention brings a great improvement to the existing technique by providing a device of simple design making it possible to obtain a marble having a high rigidity and, therefore, insensitive to the unevenness of the ground on which it rests , which is associated with a traction bracket of very simple handling, and whose length is particularly reduced, which allows its use in a workshop of limited surface, as is apparent from several working positions illustrated in FIG. 6.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

An installation for the repair and the checking of vehicle bodies includes a bench having a rectangular frame made of tubular elements, and a pulling tower the forward end of which is equipped with a coupling device for detachably securing the pulling tower to the bench, the rectangular frame having a flange extending inwardly of the frame along the inner bottom edge thereof, the pulling tower having a base portion adapted to be received beneath the frame and having a stirrup constructed and arranged to engage on the flange and a shoe member carried by an axially movable rod for movement into engagement with the external surface of the tubular element and cooperating with the stirrup and flange to lock the pulling tower to the bench.

Description

La présente invention a pour objet une installation pour la réparation et le contrôle de carrosseries de véhicules accidentés comprenant un marbre et une équerre de traction.The subject of the present invention is an installation for repairing and inspecting bodies of damaged vehicles comprising a base plate and a traction bracket.

Un marbre est constitué par un cadre rectangulaire réalisé à partir de deux profilés métalliques en U et en I à ailes parallèles, avec montage de deux entretoises entre les deux profilés longitudinaux.A marble consists of a rectangular frame made from two U and I metal profiles with parallel wings, with mounting of two spacers between the two longitudinal profiles.

Sur le marbre peuvent être fixées les pinces d'ancrage de la carrosserie du véhicule à réparer, ainsi que les traverses qui reçoivent des montages pour des réparations de type positif, et pour des appareils de mesure.On the marble can be fixed the anchoring clamps of the body of the vehicle to be repaired, as well as the sleepers which receive fixtures for positive type repairs, and for measuring devices.

Pour réaliser une réparation notamment par redressement des tôles d'un véhicule, est couramment utilisé un appareil appelé «équerre de traction». Une équerre de traction comprend une embase constituée par une pièce allongée, telle qu'une poutre tubulaire susceptible d'être glissée sous le marbre, équipée de moyens de fixation par pincement sur les ailes de deux des profilés constitutifs du cadre du marbre.To carry out a repair, in particular by straightening the sheets of a vehicle, a device is commonly used called a “traction bracket”. A traction bracket comprises a base formed by an elongated piece, such as a tubular beam capable of being slid under the marble, equipped with means of fixing by pinching on the wings of two of the sections constituting the frame of the marble.

A une extrémité de la poutre formant l'embase est monté un bras articulé autour d'un axe horizontal et transversal à la poutre. Une chaîne étant accrochée, d'une part, sur la carrosserie du véhicule et, d'autre part, sur le bras, ce dernier peut basculer autour de son axe et exercer une traction sur la chaîne, sous l'action d'un vérin hydraulique.At one end of the beam forming the base is mounted an arm articulated around a horizontal axis and transverse to the beam. A chain being hung, on the one hand, on the vehicle body and, on the other hand, on the arm, the latter can tilt around its axis and exert traction on the chain, under the action of a jack hydraulic.

Il est possible de réaliser une inclinaison latérale du bras pour permettre d'exercer une traction selon l'angle le plus adapté.It is possible to tilt the arm sideways to allow traction to be exerted at the most suitable angle.

Un premier inconvénient des marbres traditionnels réside dans leur manque de rigidité, d'où il résulte que le marbre épouse les éventuelles inégalités du sol, ce qui peut se traduire par des erreurs de mesure, si le sol sur lequel repose le marbre n'est pas d'une parfaite planéité.A first drawback of traditional marbles lies in their lack of rigidity, which results in the marble marrying any unevenness in the ground, which can result in measurement errors, if the ground on which the marble rests is not not perfectly flat.

En outre, les équerres de redressement nécessitent pour leur mise en oeuvre une surface au sol très importante en raison notamment de la longueur de la poutre formant l'embase. Compte tenu de la longueur de cette poutre, il faut en effet disposer d'un recul important vis-à-vis du marbre pour pouvoir dégager l'équerre de traction de celui-ci, et la déplacer par rapport au marbre pour la fixer en un autre point de celui-ci.In addition, the righting angles require a very large floor area for their implementation, in particular because of the length of the beam forming the base. Given the length of this beam, it is indeed necessary to have a significant recoil with respect to the marble in order to be able to disengage the traction bracket from the latter, and to move it relative to the marble to fix it in another point of it.

Il est à noter que cette longueur des équerres de traction est encore accrue dans la mesure où leur embase est constituée par deux parties telles que deux poutres dans le prolongement l'une de l'autre et articulées l'une sur l'autre autour d'un axe vertical.It should be noted that this length of the traction brackets is further increased insofar as their base consists of two parts such as two beams in the extension of one another and articulated one on the other around d 'a vertical axis.

FR-A 2 511 272 concerne un appareil selon la première partie de la revendication 1 pour redresser les châssis et carrosseries de véhicules comprenant un marbre tubulaire comportant un nez de renforcement tourné sur sa face intérieure et à proximité de son bord supérieur. A ce châssis est associée une équerre de traction dont la partie avant est en forme d'étrier ouvert vers l'avant délimité par deux plaques horizontales destinées à venir se placer, respectivement, au-dessus et au-dessous du cadre du marbre, la plaque supérieure étant équipée d'un crochet venant s'engager sur le nez de renforcement du cadre. Cependant, cet appareil ne donne pas satisfaction en raison du fait qu'en conditions d'utilisation de l'équerre de traction, la partie arrière de celle-ci, c'est-à-dire celle éloignée du marbre, tend à basculer vers le haut, mouvement qu'aucun des organes de l'équerre ou du marbre ne contrarie. Il n'est donc pas possible d'obtenir une bonne solidarisation du marbre et de l'équerre.FR-A 2 511 272 relates to an apparatus according to the first part of claim 1 for straightening the chassis and bodies of vehicles comprising a tubular marble having a reinforcement nose turned on its inner face and near its upper edge. With this chassis is associated a traction bracket whose front part is in the form of a stirrup open towards the front delimited by two horizontal plates intended to be placed, respectively, above and below the frame of the marble, the upper plate being equipped with a hook coming to engage on the nose of reinforcement of the frame. However, this device is not satisfactory due to the fact that under conditions of use of the traction bracket, the rear part thereof, that is to say that away from the marble, tends to tilt towards the top, movement which none of the organs of the square or the marble thwarts. It is therefore not possible to obtain a good connection between the marble and the square.

La présente invention vise à remédier à ces inconvénients en fournissant un marbre possédant une grande rigidité, auquel est associée une équerre de traction pouvant être fixée sur le marbre, réglée par rapport à celui-ci et manipulée autour du marbre sans nécessiter une surface importante.The present invention aims to remedy these drawbacks by providing a marble having a high rigidity, which is associated with a traction bracket that can be fixed on the marble, adjusted relative thereto and manipulated around the marble without requiring a large surface.

A cet effet, l'installation qu'elle concerne, du type comprenant un marbre constitué par un cadre rectangulaire réalisé à partir d'éléments tubulaires, et une équerre de traction dont l'extrémité avant est équipée de moyens defixation sur le marbre, est caractérisée en ce que le cadre rectangulaire est équipé, sur sa face tournée vers l'intérieur et à proximité de son bord inférieur, d'un élément métallique de plus faible section, tandis que l'équerre de traction comporte une embase destinée à être engagée sous le cadre, équipée, d'une part, à son extrémité avant et du côté de son bord supérieur, d'un étrier ouvert vers l'arrière, destiné à venirs'engager sur l'élément métallique en forme de carré du marbre et, d'autre part, à proximité de cette même extrémité avant, d'un sabotqui, tourné vers l'avant, déplaçable axialement et verrouillable dans la position souhaitée, est destiné à venir prendre appui contre la face extérieure de l'un des profilés tubulaires constitutifs du cadre du marbre.To this end, the installation which it relates to, of the type comprising a marble constituted by a rectangular frame produced from tubular elements, and a traction bracket whose front end is equipped with means for fixing to the marble, is characterized in that the rectangular frame is equipped, on its inwardly facing side and near its lower edge, with a metallic element of smaller section, while the traction bracket comprises a base intended to be engaged under the frame, equipped, on the one hand, at its front end and on the side of its upper edge, with a stirrup open towards the rear, intended to be engaged on the metallic element in the form of a square of the marble and , on the other hand, near this same front end, a shoe which, turned forwards, axially movable and lockable in the desired position, is intended to come to bear against the external face of one of the profiles constitutive of the frame of the ma rbre.

Cette solution est avantageuse en ce sens que l'utilisation d'éléments tubulaires confère au marbre une excellente rigidité évitant toute déformation de celui-ci, même si le sol sur lequel il repose comporte quelques irrégularités.This solution is advantageous in that the use of tubular elements gives the marble an excellent rigidity preventing any deformation thereof, even if the ground on which it rests has some irregularities.

Cette rigidité du marbre est renforcée par la présence du carré plein de plus faible section, qui sert également à la fixation de l'équerre de traction.This rigidity of the marble is reinforced by the presence of the full square of smaller section, which is also used for fixing the traction bracket.

En pratique, le sabot étant en position reculée, il est procédé à l'engagement de l'extrémité avant de l'embase de l'équerre sous le marbre, puis au recul de l'équerre pour que l'étrier vienne se crocheter derrière le carré monté à l'intérieur du cadre.In practice, the shoe being in the retracted position, the front end of the base of the square under the marble is engaged, then the square is retracted so that the stirrup comes to hook behind the square mounted inside the frame.

Il est alors procédé au déplacement vers l'avant du sabot, à sa mise en appui contre la paroi extérieure de l'un des éléments tubulaires constitutifs du marbre et à son verrouillage dans cette position.It then proceeds to move the shoe forwards, to press it against the outer wall of one of the tubular elements constituting the marble and to lock it in this position.

Il ressort de ce qui précède que cette équerre de traction est de mise en oeuvre très simple, et d'un encombrement réduit par rapport aux équerres traditionnelles, puisque son embase ne nécessite pas la fixation sur deux des éléments du cadre, mais sur un seul de ceux-ci.It appears from the above that this traction bracket is very simple to implement, and of a reduced bulk compared to the traditional brackets, since its base does not require fixing on two of the elements of the frame, but on a single of these.

En outre, cette structure permet, lors de l'utilisation de l'équerre de traction, un autoblocage de celle-ci sur le marbre. En effet, lors du fonctionnement de l'équerre de traction, l'extrémité postérieure de celle-ci tend à basculer vers le haut, mouvement au cours duquel l'étrier, monté à l'extrémité avant de l'équerre, vient s'accrocher sur l'élément rapporté sur la face intérieure du cadre, sans pouvoir échapper à celui-ci, éliminant ainsi tous les jeux entre l'équerre et le cadre.In addition, this structure allows, when using the traction bracket, self-locking thereof on the marble. Indeed, during the operation of the traction bracket, the end posted the latter tends to tilt upwards, movement during which the stirrup, mounted at the front end of the bracket, hangs on the element attached to the inner face of the frame, without being able to escape to it, eliminating all play between the square and the frame.

Selon un mode de réalisation de l'invention, le retour formant l'aile supérieure de l'étrier d'accrochage de l'équerre sur le marbre est de largeur inférieure à celle du carré contre lequel l'étrier prend appui.According to one embodiment of the invention, the return forming the upper wing of the bracket for attaching the bracket to the marble is of width less than that of the square against which the bracket rests.

Cette disposition est avantageuse car l'étrier coiffe simplement le carré intérieur du marbre, sans prendre appui contre les profilés principaux de celui-ci, ce qui évite tout risque de détérioration du marbre.This arrangement is advantageous because the stirrup simply covers the inner square of the marble, without pressing against the main sections thereof, which avoids any risk of deterioration of the marble.

Selon un autre mode de réalisation de l'invention, les moyens de verrouillage du sabot d'appui contre la paroi extérieure de l'un des profilés du marbre, sont constitués par une clavette à bords convergents engagée dans une ouverture transversale ménagée dans le manchon de guidage, solidaire de l'embase, d'une tige dont l'extrémité avant est équipée du sabot, la clavette prenant appui contre l'extrémité postérieure de ladite tige.According to another embodiment of the invention, the means for locking the support shoe against the external wall of one of the sections of the marble, are constituted by a key with converging edges engaged in a transverse opening formed in the sleeve guide, integral with the base, of a rod whose front end is equipped with the shoe, the key pressing against the rear end of said rod.

Lors de l'opération de mise en place de l'équerre, la clavette est retirée, ce qui permet un libre déplacement du sabot d'appui. Lorsque le sabot d'appui sur le marbre est en position de fixation de l'équerre, la clavette est engagée sur le manchon de guidage avec appui contre la tige du sabot, et sa forme permet un verrouillage de l'appui du sabot contre le marbre.During the installation of the square, the key is removed, which allows free movement of the support shoe. When the support shoe on the plate is in the fixing position of the bracket, the key is engaged on the guide sleeve with support against the shoe rod, and its shape allows a locking of the support of the shoe against the marble.

Avantageusement, et dans la mesure où l'embase de l'équerre est constituée par deux poutres en alignement l'une avec l'autre, et articulées autour d'un axe vertical, la poutre située du côté de fixation de l'embase sur le marbre comporte une douille cylindrique verticale, tandis que l'autre poutre comporte, en dessous de ladite douille, une pluralité d'évidements verticaux tronconiques, ouverts vers le haut, répartis sur un secteur circulaire centré sur l'axe de pivotement des deux poutres l'une sur l'autre, tandis que l'extrémité du vérin, corps ou tige, opposée à celle articulée sur le bras est équipée avec articulation autour d'un axe horizontal, d'un embout comportant une extrémité tronconique de forme complémentaire de celle des évidements précités, et une partie cylindrique de forme correspondant au diamètre intérieur de la douille.Advantageously, and insofar as the base of the bracket is constituted by two beams in alignment with one another, and articulated around a vertical axis, the beam located on the fixing side of the base on the marble comprises a vertical cylindrical socket, while the other beam comprises, below the said socket, a plurality of frustoconical vertical recesses, open upwards, distributed over a circular sector centered on the pivot axis of the two beams one on the other, while the end of the jack, body or rod, opposite to that articulated on the arm is equipped with articulation around a horizontal axis, of a nozzle comprising a frustoconical end of complementary shape that of the aforementioned recesses, and a cylindrical part of shape corresponding to the inside diameter of the sleeve.

En pratique, pour réaliser le réglage angulaire des deux parties de l'embase de l'équerre, il convient, l'embout du vérin étant retiré, de faire pivoter l'une des deux parties par rapport à l'autre pour les amener à former l'angle souhaité, étant précisé que la douille de l'élément appartenant à la partie avant doit se trouver en regard de l'un des évidements appartenant à la partie arrière de l'équerre. Il est alors procédé à l'engagement de l'embout du vérin dont l'extrémité tronconique vient s'engager dans l'un des évidements de même forme et dont la partie cylindrique vient s'engager dans la partie cylindrique de la douille.In practice, to achieve the angular adjustment of the two parts of the base of the bracket, it is advisable, the end of the jack being removed, to pivot one of the two parts relative to the other to bring them to form the desired angle, it being specified that the sleeve of the element belonging to the front part must be located opposite one of the recesses belonging to the rear part of the bracket. It is then proceeded to the engagement of the end piece of the jack whose frustoconical end comes to engage in one of the recesses of the same shape and whose cylindrical part comes to engage in the cylindrical part of the sleeve.

11 n'y a aucun risque de déverrouillage accidentel en période de fonctionnement, puisque, lorsque le vérin est actionné dans un sens de sortie de la tige de celui-ci, l'embout tronconique associé à l'une des extrémités du vérin a tendance à s'engager plus fortement dans l'évidement qui lui est destiné.There is no risk of accidental unlocking during the period of operation, since, when the cylinder is actuated in a direction of exit from the rod thereof, the frustoconical endpiece associated with one of the ends of the cylinder tends to to engage more strongly in the recess intended for it.

La pente de l'extrémité tronconique de l'embout, ainsi que la pente des évidements correspondants sont choisies pour éviter qu'il y ait un autoblocage empêchant, dans des conditions normales de manipulation, le retrait de l'embout hors de l'évidement dans lequel il est engagé.The slope of the frustoconical end of the end piece, as well as the slope of the corresponding recesses are chosen to avoid there being an autoblocking preventing, under normal handling conditions, the withdrawal of the end piece from the recess in which he is engaged.

De toute façon, l'invention sera bien comprise à l'aide de la description qui suit, en référence au dessin schématique annexé, représentant, à titre d'exemple non limitatif, une forme d'exécution de ce marbre et de l'équerre de traction qui lui est associée:

  • la figure 1 en est une vue en perspective;
  • la figure 2 est une vue en coupe longitudinale par un plan vertical, selon la ligne 11-11 de figure 3, de l'équerre de traction et de l'extrémité du marbre sur laquelle elle est fixée;
  • la figure 3 est une vue de dessus correspondant aux éléments représentés à la figure 2;
  • la figure 4 est une vue d'un détail du dispositif de fixation de l'équerre sur le marbre;
  • la figure 5 est une vue en coupe longitudinale et à échelle agrandie du dispositif de verrouillage l'une sur l'autre des deux parties de l'embase du marbre.
In any case, the invention will be better understood with the aid of the description which follows, with reference to the appended schematic drawing, representing, by way of nonlimiting example, an embodiment of this marble and the square of traction associated with it:
  • Figure 1 is a perspective view;
  • Figure 2 is a longitudinal sectional view through a vertical plane, along line 11-11 of Figure 3, the traction bracket and the end of the marble on which it is fixed;
  • Figure 3 is a top view corresponding to the elements shown in Figure 2;
  • Figure 4 is a detail view of the device for fixing the bracket to the marble;
  • Figure 5 is a longitudinal sectional view on an enlarged scale of the locking device one on the other of the two parts of the base of the marble.

Le dispositif représenté à la figure 1 comprend un marbre 2 auquel est associée une équerre de traction 3.The device represented in FIG. 1 comprises a plate 2 with which a traction bracket 3 is associated.

Le marbre 2 comprend un cadre réalisé à partir de quatre éléments tubulaires 4, entre les deux grands côtés duquel sont montées deux entretoises transversales 5.The marble 2 comprises a frame produced from four tubular elements 4, between the two long sides of which are mounted two transverse spacers 5.

D'une façon connue, ce marbre est équipé de roues 6 permettant son déplacement sur le sol, de pinces 7 de fixation de la carrosserie du véhicule à réparer et d'un dispositif désigné par la référence générale 8, permettant le montage de divers accessoires de contrôle.In a known manner, this marble is equipped with wheels 6 allowing its movement on the ground, clamps 7 for fixing the body of the vehicle to be repaired and a device designated by the general reference 8, allowing the mounting of various accessories. control.

Comme cela ressort du dessin, le cadre rectangulaire est équipé, sur sa face intérieure et à proximité de son bord inférieur, d'un élément métallique 9 de section carrée. Ce carré a pour double fonction de renforcer la rigidité du cadre tubulaire et de permettre la fixation d'une équerre de traction sur celui-ci.As can be seen from the drawing, the rectangular frame is equipped, on its inner face and near its lower edge, with a metallic element 9 of square section. This square has the double function of reinforcing the rigidity of the tubular frame and of allowing the fixing of a traction bracket thereon.

L'équerre de traction 3, représentée plus en détail aux figures 2 et 3, comprend une embase constituée par deux poutres 12 et 13 situées en alignement et articulées l'une sur l'autre autour d'un axe 14.The traction bracket 3, shown in more detail in FIGS. 2 and 3, comprises a base formed by two beams 12 and 13 located in alignment and articulated one on the other around an axis 14.

De façon traditionnelle, cette équerre de traction 3 est équipée de roues 15, d'une poignée de manutention 16, ainsi que d'un bras 17 présentant des crans 18 pour l'accrochage d'une chaîne dont l'autre extrémité est accrochée à la carrosserie du véhicule à réparer.Traditionally, this traction bracket 3 is equipped with wheels 15, a handling handle 16, as well as an arm 17 having notches 18 for hooking a chain whose other end is hooked to the vehicle body to be repaired.

Ce bras 17 est susceptible de pivoter autour d'un axe 19 horizontal et transversal à la poutre 13, après avoir été réglé en inclinaison latérale par pivotement autour d'un axe 20 et blocage à l'inclinaison désirée à l'aide d'une broche 22.This arm 17 is capable of pivoting about an axis 19 horizontal and transverse to the beam 13, after having been adjusted for lateral inclination by pivoting about an axis 20 and locking at the desired inclination using a pin 22.

La poutre 12, située du côté de l'extrémité de l'équerre à fixer sur le marbre est équipée, à son extrémité avant, d'un étrier 23 comportant deux mâchoires parallèles, situé du côté du bord supérieur de la poutre 12 et dont l'ouverture est tournée vers l'arrière.The beam 12, located on the side of the end of the bracket to be fixed on the marble, is equipped, at its front end, with a stirrup 23 comprising two parallel jaws, located on the side of the upper edge of the beam 12 and whose the opening faces back.

Comme montré au dessin, cet étrier est destiné à venir coiffer le carré 9 monté sur la face intérieure du cadre, et la largeur de la branche supérieure 24 de l'étrier est inférieure à la largeur du tube 9, afin d'éviter que l'extrémité des branches supérieures de l'étrier viennent en appui contre un élément tubulaire 4 et détériorent celui-ci.As shown in the drawing, this stirrup is intended to come over the square 9 mounted on the inside of the frame, and the width of the upper branch 24 of the stirrup is less than the width of the tube 9, in order to prevent the 'end of the upper legs of the stirrup bear against a tubular member 4 and deteriorate it.

Il ressort notamment de la figure 2 que l'engagement de l'extrémité avant de l'équerre se fait très facilement compte tenu de la faible hauteur de l'étrier 23, et que la longueur de l'équerre engagée sous le marbre est très faible, ce qui se traduit par une longueur hors tout de l'équerre également faible.It is apparent in particular from FIG. 2 that the engagement of the front end of the bracket is very easy taking into account the low height of the stirrup 23, and that the length of the bracket engaged under the marble is very short, which translates into an overall length of the square also short.

Sur la face supérieure de la poutre 12 est fixé un ensemble mécanosoudé 25 comprenant notamment un manchon 26 longitudinal permettant le guidage d'une tige 27 dont l'extrémité avant est équipée d'un sabot 28 destiné à venir en appui contre la face extérieure du profilé tubulaire 4 du marbre sur lequel l'équerre est à fixer. Ce sabot 28 est équipé d'un retour supérieur 28a venant en recouvrement de la face supérieure du profilé tubulaire 4 du marbre, ce qui permet de rendre l'équerre solidaire du marbre pendant un mouvement ascendant de celui-ci, par exemple lorsqu'il est fixé à un élévateur.On the upper face of the beam 12 is fixed a mechanically welded assembly 25 comprising in particular a longitudinal sleeve 26 allowing the guiding of a rod 27 whose front end is equipped with a shoe 28 intended to come to bear against the external face of the tubular profile 4 of the marble on which the bracket is to be fixed. This shoe 28 is equipped with an upper return 28a covering the upper face of the tubular profile 4 of the marble, which makes it possible to make the square integral with the marble during an upward movement of the latter, for example when it is attached to an elevator.

Comme montré au dessin, le sabot 28 peut être déplacé axialement par coulissement de la tige 27 dans le manchon 26, le sabot pouvant être bloqué en position d'appui contre un profilé 4 par une clavette 29 à bords convergents engagée dans une ouverture transversale du manchon 26 et prenant appui sur l'extrémité arrière de la tige 27 du sabot 28.As shown in the drawing, the shoe 28 can be moved axially by sliding the rod 27 in the sleeve 26, the shoe being able to be locked in the support position against a profile 4 by a key 29 with converging edges engaged in a transverse opening of the sleeve 26 and bearing on the rear end of the rod 27 of the shoe 28.

Comme montré notamment aux figures 2 et 5, l'ensemble mécanosoudé 25 est équipé, sur sa face tournée vers l'arrière, d'une douille cylindrique 30 d'axe vertical.As shown in particular in FIGS. 2 and 5, the mechanically welded assembly 25 is equipped, on its rearward facing side, with a cylindrical sleeve 30 with a vertical axis.

Par ailleurs, la poutre 13 est équipée d'un manchon 32 s'évasant horizontalement en direction de la poutre 12, et destiné à venir en recouvrement partiel de celle-ci. Sur la face supérieure de ce manchon 32 sont ménagés, disposés selon un secteur circulaire centré sur l'axe 14 d'articulation des deux poutres 12 et 13, plusieurs évidements tronconiques 33 d'axe vertical.Furthermore, the beam 13 is equipped with a sleeve 32 which widens horizontally in the direction of the beam 12, and intended to come into partial recovery of the latter. On the upper face of this sleeve 32 are arranged, arranged in a circular sector centered on the axis 14 of articulation of the two beams 12 and 13, several frustoconical recesses 33 of vertical axis.

En outre, l'équerre est équipée, de façon traditionnelle, d'un vérin hydraulique 34. Le corps 35 de ce vérin est monté avec articulation autour d'un axe horizontal 36 sur le bras 17, tandis que l'extrémité de la tige 37 est équipée, avec articulation autour d'un axe horizontal 38, d'un embout désigné par la référence générale 39, comprenant une extrémité tronconique 40 de forme complémentaire de celle des évidements 33 et une partie cylindrique 42 de diamètre correspondant au diamètre interne de la douille 30.In addition, the bracket is traditionally equipped with a hydraulic cylinder 34. The body 35 of this cylinder is mounted with articulation around a horizontal axis 36 on the arm 17, while the end of the rod 37 is equipped, with articulation around a horizontal axis 38, with a nozzle designated by the general reference 39, comprising a frustoconical end 40 of shape complementary to that of the recesses 33 and a cylindrical part 42 of diameter corresponding to the internal diameter of the socket 30.

Comme expliqué précédemment, le blocage des deux poutres 12 et 13 dans la position angulaire souhaitée est réalisé par engagement de l'embout 39 de la tige du vérin, d'une part, dans la douille 30 associée à la poutre 12 et, d'autre part, dans l'évidement tronconique choisi, associé à la poutre 13.As explained above, the blocking of the two beams 12 and 13 in the desired angular position is achieved by engagement of the end piece 39 of the cylinder rod, on the one hand, in the socket 30 associated with the beam 12 and, on the other hand, in the tapered recess chosen, associated with the beam 13.

Cette solution permet encore de réduire la longueur de la poutre par rapport au cas où les dispositifs, respectivement, d'articulation de la tige du vérin sur l'embase de l'équerre, et d'articulation des deux parties de l'équerre l'une sur l'autre, sont décalées axialement.This solution further reduces the length of the beam compared to the case where the devices, respectively, of articulation of the rod of the jack on the base of the bracket, and of articulation of the two parts of the bracket l 'one on the other, are offset axially.

Comme il ressort de ce qui précède, l'invention apporte une grande amélioration à la technique existante en fournissant un dispositif de conception simple permettant d'obtenir un marbre possédant une grande rigidité et, par conséquent, insensible aux inégalités du sol sur lequel il repose, auquel est associée une équerre de traction d'une manipulation très simple, et dont la longueur est particulièrement réduite, ce qui permet son utilisation dans un atelier de surface restreinte, comme cela ressort de plusieurs positions de travail illustrées à la figure 6.As is apparent from the above, the invention brings a great improvement to the existing technique by providing a device of simple design making it possible to obtain a marble having a high rigidity and, therefore, insensitive to the unevenness of the ground on which it rests , which is associated with a traction bracket of very simple handling, and whose length is particularly reduced, which allows its use in a workshop of limited surface, as is apparent from several working positions illustrated in FIG. 6.

Claims (5)

1. Installation for the repair und inspection of vehicle bodies of the type comprising a bedplate (2) formed by a rectangular frame produced from tubular units (4) and a traction trolley (3) the front end of which is equipped with means of fixation to the bedplate (2), characterized in that the rectangular frame is equipped on its internal face and close to its lower edge, with a metallic unit (9) of smaller cross-section, whilst the traction trolley (3) comprises a base (12, 13) intended to be engaged under the frame, equipped on one hand at its front end and on its upper edge with a yoke (23) open towards the rear, intended to fit over the square-shaped metallic unit (9) of the bedplate (2), and equipped on the other hand near to this same front end with a shoe (28) that, facing forwards, axially displaceable and lockable in the desired position, is intended to press against the external face of one of the tubular profile sections (4) constituting the frame of the bedplate.
2. Installation according to Claim 1, characterized in that the return forming the upper wing (24) of the yoke (23) hooking the trolley (3) to the bedplate (2) is of width less than that of the square section (9) against which the yoke presses.
3. Installation according to one of Claims 1 and 2, characterized in that the means of locking the support shoe (28) against the outer face of one of the profile sections (4) of the bedplate consist of a wedge (29) with converging edges engaged into a transverse opening provided in the guidance sleeve (26) that is rigidly fixed to the base, and of a rod (27) the front extremity of which is equipped with the shoe (28), the wedge (29) pressing against the rear end of the said rod (27).
4. Installation according to one of Claims 1 to 3, characterized in that in so far as the base of the trolley is formed by two girders (12, 13) in alignment with one another and articulated around a vertical axis (14), the girder (12) that is situated in the direction of fixation of the base to the bedplate comprises a vertical cylindrical socket (30), whilst the other girder comprises, below the said socket, a number of vertical hollows (33) of conical frustrum shape and opening upwards, spaced out on a circular sector centred on the axis (14) about which the two girders swivel relatively to one another, whilst the end of the jack (34) opposite to that articulated to the arm is equipped, with articulation around a horizontal axis (38), with a connecting piece (39) comprising a conical frustrum tip (40) of shape complementary to that of the above-mentioned hollows (33), and a cylindrical portion (42) of shape corresponding to the internal diameter of the socket.
5. Installation according to any of Claims 1 to 4, characterized in that the shoe (23) intended to press against a tubular unit (4) of the bedplate is equipped with an upper return (28a) that is intended to overlap the upper face of the said tubular unit (4).
EP87420160A 1986-06-17 1987-06-15 Installation for repairing and checking car bodies Expired EP0250344B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87420160T ATE47337T1 (en) 1986-06-17 1987-06-15 FACILITIES FOR REPAIRING AND REVIEWING DAMAGED CAR BODY.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8609143 1986-06-17
FR8609143A FR2599997B1 (en) 1986-06-17 1986-06-17 MARBLE FOR THE REPAIR AND CONTROL OF BODIES OF ACCIDENT VEHICLES AND TRACTION BRACKET THAT IS ASSOCIATED WITH IT

Publications (2)

Publication Number Publication Date
EP0250344A1 EP0250344A1 (en) 1987-12-23
EP0250344B1 true EP0250344B1 (en) 1989-10-18

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EP87420160A Expired EP0250344B1 (en) 1986-06-17 1987-06-15 Installation for repairing and checking car bodies

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US (1) US4791802A (en)
EP (1) EP0250344B1 (en)
JP (1) JPS62299455A (en)
AT (1) ATE47337T1 (en)
DE (1) DE3760781D1 (en)
DK (1) DK299187A (en)
ES (1) ES2011057B3 (en)
FR (1) FR2599997B1 (en)

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JPH02102856A (en) * 1988-09-30 1990-04-16 Les Fabrication Drolic Inc Automatic car body stretcher
IT1225886B (en) * 1988-11-18 1990-12-07 Francesco Fiorese EQUIPMENT FOR REPAIR OF ACCIDENTED VEHICLES.
FI89684C (en) * 1989-12-01 1993-11-10 Autorobot Finland Car body accessories
GB2240737B (en) * 1990-02-08 1994-05-25 Thomas Rodgers Pulling apparatus
DE4028827A1 (en) * 1990-09-11 1992-03-12 Blackhawk Gmbh ALIGNMENT
US5239854A (en) * 1992-05-27 1993-08-31 Hinson Virgil H Pivoted body and fire straightening rack
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US6765664B2 (en) * 2002-01-09 2004-07-20 Delaware Capital Formation, Inc. Laser scanner with parabolic collector
US6588249B1 (en) 2002-01-18 2003-07-08 Paul Milazzo Vehicle metal pulling apparatus
US20040045338A1 (en) * 2002-09-10 2004-03-11 Dobbins Jeffrey L. Collision repair rack
US7017384B2 (en) * 2003-12-02 2006-03-28 Michael Espinosa Vehicle frame straightening jig
US7269990B1 (en) * 2005-04-07 2007-09-18 Michael Espinosa And King's Products, Inc. Portable frame puller
US7600408B2 (en) * 2006-09-20 2009-10-13 Chief Automotive Technologies, Inc Dockable trolley for vehicle frame-straightening bench
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Also Published As

Publication number Publication date
EP0250344A1 (en) 1987-12-23
US4791802A (en) 1988-12-20
ES2011057B3 (en) 1989-12-16
DE3760781D1 (en) 1989-11-23
ATE47337T1 (en) 1989-11-15
DK299187A (en) 1987-12-18
FR2599997B1 (en) 1992-09-04
JPS62299455A (en) 1987-12-26
DK299187D0 (en) 1987-06-12
FR2599997A1 (en) 1987-12-18
JPH0435378B2 (en) 1992-06-10

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