EP0197229A1 - Apparatus to be mounted on a motor vehicle body test stand for executing a localized control and possible straightening - Google Patents

Apparatus to be mounted on a motor vehicle body test stand for executing a localized control and possible straightening Download PDF

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Publication number
EP0197229A1
EP0197229A1 EP85400684A EP85400684A EP0197229A1 EP 0197229 A1 EP0197229 A1 EP 0197229A1 EP 85400684 A EP85400684 A EP 85400684A EP 85400684 A EP85400684 A EP 85400684A EP 0197229 A1 EP0197229 A1 EP 0197229A1
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EP
European Patent Office
Prior art keywords
control
rod
column
devices
straightening
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.)
Granted
Application number
EP85400684A
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German (de)
French (fr)
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EP0197229B1 (en
Inventor
Germain Celette
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Celette SA
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Celette SA
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Priority to FR8319831A priority Critical patent/FR2556248B1/en
Application filed by Celette SA filed Critical Celette SA
Priority to EP19850400684 priority patent/EP0197229B1/en
Priority to DE8585400684T priority patent/DE3570373D1/en
Publication of EP0197229A1 publication Critical patent/EP0197229A1/en
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Publication of EP0197229B1 publication Critical patent/EP0197229B1/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/36—Load-engaging elements
    • B66F3/38—Load-engaging elements adjustable relative to piston

Definitions

  • the present invention relates to control and straightening operations of automobile bodies, for example bodies having undergone deformation following an accident.
  • the positive system is recognized as the most reliable and the most rigid.
  • it has two notable disadvantages, namely the cost of each set of fittings, and the discomfort that a fitting mounted on a crossmember can cause in the deformed area of the vehicle. Indeed, when there is a deformation, even a slight one, and a straightening operation has to be carried out, it is necessary to dismantle the fitting before this operation in order to be able to hang and pull the damaged part, after which it is necessary to reassemble the fitting to check if the point controlled by the fitting has returned to its correct position. This therefore requires significant time.
  • the aim of the present invention is to produce a control apparatus making it easier to carry out such control and carry out, if necessary, a localized rectification without the need to dismantle the control supports and fixing of the bodywork in the vicinity of the deformed part.
  • This apparatus is also designed so that its constituent elements can be produced from a limited number of standardized parts.
  • the present apparatus makes it possible both to carry out the desired control operations and to proceed, in if necessary, a localized recovery of a specific part of the body.
  • the devices constituting this apparatus can only be used for adjustments of limited importance.
  • the usual straightening devices should be used or the corresponding part of the body should be changed. But in very many cases, we find us in the presence of deformations for which the devices according to the invention are sufficient.
  • the apparatus according to the invention has the same advantages as the usual apparatus corresponding to the so-called "positive" control system, but without the disadvantages.
  • this apparatus includes control devices which are specific to a specific type of vehicle, which allows very reliable control.
  • the devices for controlling the various games required are made from a limited number of standard elements corresponding to the hollow column of each device, to its base, to the sleeve provided at the upper end, and to the mounted rod. sliding in this sleeve, only the head attached to this rod being different to be specific to each type of vehicle.
  • control devices 2a one of which is shown in detail in FIGS. 2 to 5, is intended to ensure the control, and possibly the localized straightening, of the location for fixing the upper end of a shock absorber.
  • 3 Mac Pherson type fitted to one of the front wheels of a motor car. As shown in Figure 6, the upper end of such a damper is fixed, by means of a cup 5, in an opening 6 formed in the inner wall 7 of the respective front wing of the corresponding bodywork C .
  • control bench 1 To carry out general or partial control of a motor vehicle body, it is fixed above the control bench 1, commonly known as “marble”, for example a bench such as that described in French patent 2,423,748.
  • This fixing is ensured by means of several fixing fittings constituted by 2p devices of the same type as the actual control devices, that is to say the devices 2a, 2b.
  • the corresponding wheels 4 of the vehicle must be removed before installing the bodywork on the test bench and fixing it on it. ci by means of a series of devices according to the invention.
  • Each control device 2a is constituted by a column 10 open over its entire height, the lower end of which comprises a plate 11 provided with holes 12 spaced apart according to the same spacing module as the holes 13 provided on the longitudinal members la of the control bench 1, as well as on the lateral appendages 14 provided at the front end of these beams.
  • each column 10 is constituted by a rolled sheet in the form of a gutter whose side walls have a tapering width upwards, as shown in FIGS. 2 and 4.
  • the column 10 carries a guide sleeve 15 housed in this end and fixed to the latter by welding.
  • a control rod 16 capable of sliding inside thereof.
  • immobilization means (not shown) are provided, on the other hand, preventing this rod from rotating on itself inside the guide sleeve 15.
  • this rod should be arranged in a precise angular orientation to allow valid control of the position in space of the location for fixing the upper end of a shock absorber 1 of the Mac Pherson type.
  • this orientation is determined by the axis XX ′ of the guide sleeve 15 which forms an angle o ⁇ with respect to the vertical. This sleeve is therefore fixed in the desired orientation on the upper end of the column 10, as illustrated in FIG. 3.
  • the rod 16 carries a disc 17 provided, in its center, with a projecting washer 18 for centering which is intended to be engaged inside the opening 6 provided in the part 7 of the body for fixing the upper end of a shock absorber 3 of the Mac Pherson type.
  • the rod 16 At rest, the rod 16 is placed in a low position, determined by a stop 19 carried by the latter and which is then in abutment against the upper edge of the sleeve 15.
  • this rod To carry out the planned inspection, this rod must be raised by sliding into a position for which a transverse bore 20 of this rod is brought into line with diametrical holes 21 of the guide sleeve 15.
  • a pin 22 then makes it possible to immobilize the rod 16 in this position for which the washer upper centering 18 must be very exactly engaged in the opening 6 of the corresponding part 7 of the body, while the disc 17 is for its part in abutment against the internal edges of this same opening, as shown in Figure 5 .
  • a thrust cylinder 23 can be placed inside of it as shown in FIGS. 2 and 5, so that the head 24 of this cylinder come act on the rod 16. This then serves as a pushing member against the internal face of the corresponding part 7 of the body.
  • the disc 17 and the washer centering 18 can be replaced by another disc 17a adapted to serve as a support member and which has no centering washer at its upper end.
  • the device 2a according to the invention can be used again to control the straightening carried out, and to check whether from now on the location of the opening 6 corresponds to the specifications of the body to be repaired.
  • the device 2a according to the invention can only be used for adjustments corresponding to deformations of limited importance. However, it is frequent that one is in the presence of such deformations. This is why in many cases this device will be sufficient and will edit to have recourse to the use of the usual body straightening devices. However, this results in an extremely significant time saving, since the use of this device avoids having to dismantle the supports of the bodywork and, moreover, the control of the straightening to be carried out can be carried out immediately with this same device.
  • the body to be checked must first be fixed on the bench 1 used.
  • This fixing can be ensured by means of a number of control and fixing devices according to the invention, such as 2p devices shown in FIGS. 1, 4 and 5.
  • Each of these devices is of the same type as the devices 2a , 2b.
  • these fixing devices are specific to the particular type of vehicle to be checked and they also serve, in themselves, to ensure a check for possible deformations of the bodywork to be checked.
  • Each of these devices is therefore constituted by a column 10 open over its entire height and the end of which lower part comprises a plate 11 allowing it to be fixed on the side members of the control bench 1.
  • This column carries a rod 16, mounted in a sleeve 15, and which carries a head 17p capable of receiving the corresponding element 7p of the bodywork, which can be fixed on this head, by means of one or more bolts.
  • the fixing of the bodywork can be completed by using lower body fixing clips.
  • the forces are distributed over the fixing devices and on these clamps with less risk of deformation of the underbody of the bodywork and of the fixing devices.
  • the other devices 2b, 2c, 2d; 2e, 2f, 2g and 2h, shown in FIG. 1, are also designed to ensure the control of several determined points of a bodywork and possibly the fixing thereof on the corresponding marble 1, by means of these different points.
  • each of them respond to the same general design as the devices 2a and 2p described above. Indeed each of them is constituted by a hollow column 10 open over its entire height and whose lower end is fixed on a plate 11 having holes 12 having the same spacing module, while its upper end comprises a sleeve inside which slides a rod 16.
  • These devices can be used both for simple control and for a localized straightening operation. In the latter case a removable cylinder, such as the cylinder 23, is placed inside the column 10 of the corresponding device to act on the rod 16 thereof.
  • FIGS. 7 to 12 show various examples of devices according to the invention 2h, 2i, 2d, 2k, 21, 2m, the sliding rods 16 of which are equipped with control heads 5pm, 17i, 17d, 17k, 171, 17m of different types.
  • the manufacturing cost of these is considerably reduced compared to the manufacturing cost of the specific control fittings constituting the equipment usually used for control according to the so-called "positive" system.
  • the vertical axis of the upper sleeve 15 does not cross the lower plate 11 at the geometric center of the four holes thereof, nor in an arbitrary position, relative to these holes, but a quarter of the distance from the side of the square formed by the four holes.
  • the sliding rods of at least some of the devices in question may have two holes 20 instead of a single one to allow two different possibilities for adjusting the height of the corresponding control head. It is also possible to provide angularly offset holes in order to be able to immobilize the control heads in different angular positions.

Abstract

This apparatus is constituted by a column (10) open over all the vertical extent thereof, the upper end of which carries a fixed guiding sleeve (15) inside which a control rod (16) slides. This rod may be immobilised in a position for which its upper end is at the position which is to be normally occupied, spatially by the body part (4) to be controlled. But this rod may likewise be freed to slide in order to serve as a component for thrusting against the internal face of this body part, if it is necessary to carry out a localised straightening of the latter by means of a jack (23) which may then be placed on the inside of the open column (10) of the present device. This apparatus may be used for controlling, and optionally for straightening, certain specified points of a body, for example the fixing points of the upper ends of MacPherson type shock-absorbers or the fixing points of longitudinal members, etc. <IMAGE>

Description

La présente invention est relative aux opérations de contrôle et de redressement des carrosseries d'automobiles, par exemple des carrosseries ayant subi des déformations à la suite d'un accident.The present invention relates to control and straightening operations of automobile bodies, for example bodies having undergone deformation following an accident.

Plus précisément, elle concerne le contrôle de certains points déterminés d'une telle carrosserie pour déterminer les déformations éventuelles de celle-ci. Actuellement un tel contrôle est réalisé au moyen de l'un ou l'autre des deux systèmes suivants :

  • - le système linéaire qui comporte des piges de contrôle se déplaçant sur des rails dans les trois coordonnées, et dont on doit régler les positions en fonction d'une fiche technique spécifique à la marque du système et au type du véhicule;
  • - le système positif, constitué par un jeu de ferrures, qui est spécifique à un type détermine de véhicule, ce qui implique de disposer d'autant de jeux différents qu'il y a de types différents de véhicules à contrôler.
More specifically, it relates to the control of certain determined points of such a bodywork to determine the possible deformations thereof. Currently, such control is carried out by means of one or other of the following two systems:
  • - the linear system which includes control rods moving on rails in the three coordinates, and whose positions must be adjusted according to a technical sheet specific to the make of the system and to the type of vehicle;
  • - The positive system, consisting of a set of fittings, which is specific to a specific type of vehicle, which implies having as many different sets as there are different types of vehicles to be checked.

Le premier de ces systèmes est illustré par le document FR 2.384.229 qui décrit un appareillage correspondant à un tel système.The first of these systems is illustrated by document FR 2,384,229 which describes an apparatus corresponding to such a system.

Cependant, le système positif est reconnu comme étant le plus fiable et le plus rigide. Toutefois, il présente deux désavantages notoires, à savoir le coût de chaque jeu de ferrures, et la gêne que peut occasionner une ferrure montée sur une traverse dans la zone déformée du véhicule. En effet, lorsqu'il existe une déformation, même légère, et que l'on doit procéder à une opération de redressage, il est nécessaire de démonter la ferrure avant cette opération pour pouvoir accrocher et tirer la partie endommagée, après quoi il faut remonter la ferrure pour vérifier si le point contrôlé par la ferrure est revenu à sa bonne position. Ceci nécessite donc un temps important.However, the positive system is recognized as the most reliable and the most rigid. However, it has two notable disadvantages, namely the cost of each set of fittings, and the discomfort that a fitting mounted on a crossmember can cause in the deformed area of the vehicle. Indeed, when there is a deformation, even a slight one, and a straightening operation has to be carried out, it is necessary to dismantle the fitting before this operation in order to be able to hang and pull the damaged part, after which it is necessary to reassemble the fitting to check if the point controlled by the fitting has returned to its correct position. This therefore requires significant time.

C'est pourquoi la présente invention a pour but de réaliser un appareillage de contrôle permettant d'effectuer plus facilement de telles opérations de contrôle et de procéder, en cas de besoin, à un redressement localisé sans qu'il y soit besoin de démonter les supports de contrôle et fixation de la carrosserie dans les environs de la partie déformée. Cet appareillage est également conçu de façon que ses éléments constitutifs puissent être réalisés à partir d'un nombre limité de pièces standardisées.This is why the aim of the present invention is to produce a control apparatus making it easier to carry out such control and carry out, if necessary, a localized rectification without the need to dismantle the control supports and fixing of the bodywork in the vicinity of the deformed part. This apparatus is also designed so that its constituent elements can be produced from a limited number of standardized parts.

A cet effet, l'invention a pour objet un appareillage pour le contrôle des carrosseries d'automobiles, comportant un jeu de dispositifs de contrôle ou de fixation destinés à être montés sur un banc de contrôle de carrosseries d'automobile pour procéder au contrôle de la position de certains points déterminés d'une telle carrosserie, chacun de ces dispositifs comportant une colonne sur l'extrémité supérieure de laquelle est adaptée une tige ou tête de contrôle, montée amovible et interchangeable avec d'autres tiges ou têtes de contrôle, celle-ci étant agencée pour se trouver placée à l'emplacement exact que devrait normalement occuper le point à contrôler, caractérisé

  • a) en ce que la pièce prévue à l'extrémité supérieure de la colonne de chaque dispositif de contrôle ou de fixation est une tige montée coulissante à l'intérieur d'un manchon fixe de guidage, qui est convenablement orienté et qui est porté par l'extrémité supérieure de la colonne correspondante, des moyens amovibles d'immobilisation étant par ailleurs prévus pour immobiliser cette tige dans une position pour laquel- le son extrémité supérieure est apte à servir d'organe de contrôle se trouvant à l'emplacement exact que devrait normalement occuper le point respectif à contrôler ;
  • b) et en ce que la colonne de chaque dispositif de contrôle ou de fixation est creuse et contient un vérin de poussée disposé de façon amovible à l'intérieur de celle-ci et qui est susceptible d'exercer alors une poussée sur la tige coulissante correspondante pour assurer un redressement localisé de la partie correspondante de la carrosserie contrôlée.
To this end, the subject of the invention is an apparatus for the control of automobile bodies, comprising a set of control or fixing devices intended to be mounted on a control bench of automobile bodies for carrying out the control of the position of certain determined points of such a bodywork, each of these devices comprising a column on the upper end of which is adapted a rod or control head, mounted removably and interchangeable with other rods or control heads, that -this being arranged to be placed at the exact location that should normally occupy the point to be checked, characterized
  • a) in that the part provided at the upper end of the column of each control or fixing device is a rod mounted to slide inside a fixed guide sleeve, which is suitably oriented and which is carried by the upper end of the corresponding column, removable immobilization means being also provided for immobilizing this rod in a position for which - the upper end thereof is suitable for serving as a control device located at the exact location that should normally occupy the respective point to be checked;
  • b) and in that the column of each control or fixing device is hollow and contains a thrust cylinder removably disposed inside thereof and which is then capable of exerting a thrust on the sliding rod to ensure localized recovery of the corresponding part of the controlled bodywork.

Ainsi le présent appareillage permet à la fois d'effectuer les opérations voulues de contrôle et de procéder, en cas de besoin, à un redressement localisé d'une partie déterminée de la carrosserie. A ce sujet il est bien évident que lesdispositifsconstituant cet appareillage ne peuvent être employés que pour des redressements d'importance limitée. En cas de déformations importantes il convient d'utiliser les appareils habituels de redressement ou de changer la partie correspondante de la carrosserie. Mais dans de très nombreux cas, on se trouve en présence de déformations pour lesquelles les dispositifs selon l'invention sont suffisants.Thus the present apparatus makes it possible both to carry out the desired control operations and to proceed, in if necessary, a localized recovery of a specific part of the body. On this subject it is quite obvious that the devices constituting this apparatus can only be used for adjustments of limited importance. In the event of significant deformation, the usual straightening devices should be used or the corresponding part of the body should be changed. But in very many cases, we find ourselves in the presence of deformations for which the devices according to the invention are sufficient.

Par ailleurs l'appareillage selon l'invention présente les mêmes avantages que les appareillages habituels correspondant au système de contrôle dit "positif", mais sans en comporter les inconvénients. En effet, cet appareillage comprend des dispositifs de contrôle qui sont spécifiques à un type déterminé de véhicule, ce qui permet un contrôle très fiable. Cependant, les dispositifs de contrôle des différents jeux nécessaires sont réalisés à partir d'un nombre limité d'éléments standards correspondant à la colonne creuse de chaque dispositif, à son embase, au manchon prévu à l'extrémité supérieure, et à la tige montée coulissante dans ce manchon, seule la tête rapportée sur cette tige étant différente pour être spécifique à chaque type de véhicule.Furthermore, the apparatus according to the invention has the same advantages as the usual apparatus corresponding to the so-called "positive" control system, but without the disadvantages. Indeed, this apparatus includes control devices which are specific to a specific type of vehicle, which allows very reliable control. However, the devices for controlling the various games required are made from a limited number of standard elements corresponding to the hollow column of each device, to its base, to the sleeve provided at the upper end, and to the mounted rod. sliding in this sleeve, only the head attached to this rod being different to be specific to each type of vehicle.

Cependant les différentes caractéristiques et avantages de l'appareillage de contrôle selon l'invention apparaîtront au cours de la description suivante d'un exemple de réalisation de celui-ci. Cette description est donnée en référence aux dessins annexés à simple titre indicatif, et.sur lesquels :

  • La figure 1 est une vue en perspective d'un banc de contrôle équipé d'un appareillage selon l'invention;
  • La figure 2 est une vue en perspective de l'un des dispositifs de contrôle faisant partie de cet appareillage, ce dispositif étant représenté lorsqu'il est équipé d'un vérin de poussée monté de façon amovible à l'intérieur de la colonne de celui-ci.
  • La figure 3 est une vue partielle en perspective représentant l'extrémité supérieure de ce même dispositif après retrait de ce vérin de poussée, c'est-à-dire sous la forme où il est utilisé pour effectuer simplement une opération de contrôle.
  • La figure 4 est une vue partielle en perspective d'un banc de contrôle sur lequel sont adaptés deux dispositifs selon l'invention.
  • La figure 5 est une vue en coupe verticale de l'un de ces dispositifs et de la partie correspondante d'une carrosserie fixée sur un tel banc de contrôle.
  • La figure 6 est une vue en coupe de la partie correspondante de cette même carrosserie avant dépose de la roue avant respective et-fixation de cette carrosserie sur le banc de contrôle.
  • Les figures 7 à 12 représentent un certain nombre d'autres dispositifs de contrôle faisant partie du présent appareillage de contrôle.
  • La figure 1 représente un banc 1 de contrôle de carrosseries qui est équipé d'un appareillage de contrôle selon l'invention. Celui-ci est constitué par un jeu de plusieurs dispositifs de contrôle désignés par les références générales 2a, 2b, 2c, 2d, 2e, 2f, 2g, 2h répondant tous à une même conception, et qui sont destinés à contrôler des points différents d'un même véhicule déterminé.
However, the various characteristics and advantages of the control apparatus according to the invention will appear during the following description of an exemplary embodiment of it. This description is given with reference to the accompanying drawings for information only, and in which:
  • Figure 1 is a perspective view of a control bench equipped with an apparatus according to the invention;
  • Figure 2 is a perspective view of one of the control devices forming part of this apparatus, this device being shown when it is equipped with a thrust cylinder removably mounted inside the column of that -this.
  • Figure 3 is a partial perspective view showing the upper end of the same device after removal of this thrust cylinder, that is to say in the form where it is used to simply perform a control operation.
  • Figure 4 is a partial perspective view of a control bench on which are adapted two devices according to the invention.
  • Figure 5 is a vertical sectional view of one of these devices and the corresponding part of a body attached to such a test bench.
  • Figure 6 is a sectional view of the corresponding part of the same body before removal of the respective front wheel and-fixing of this body on the test bench.
  • Figures 7 to 12 show a number of other control devices forming part of the present control apparatus.
  • FIG. 1 represents a body control bench 1 which is equipped with control apparatus according to the invention. This consists of a set of several control devices designated by the general references 2a, 2b, 2c, 2d, 2e, 2f, 2g, 2h all corresponding to the same design, and which are intended to control different points d '' the same vehicle determined.

Ainsi les dispositifs de contrôle 2a, dont l'un est représenté en détail sur les figures 2 à 5, est destiné à assurer le contrôle, et éventuellement le redressement localisé, de l'emplacement de fixation de l'extrémité supérieure d'un amortisseur 3 de type Mac Pherson équipant l'une des roues avant d'une voiture automobile. Comme représenté à la figure 6, l'extrémité supérieure d'un tel amortisseur est fixée, par l'intermédiaire d'une coupelle 5, dans une ouverture 6 ménagée dans la paroi intérieure 7 de l'aile avant respective de la carrosserie correspondante C.Thus, the control devices 2a, one of which is shown in detail in FIGS. 2 to 5, is intended to ensure the control, and possibly the localized straightening, of the location for fixing the upper end of a shock absorber. 3 Mac Pherson type fitted to one of the front wheels of a motor car. As shown in Figure 6, the upper end of such a damper is fixed, by means of a cup 5, in an opening 6 formed in the inner wall 7 of the respective front wing of the corresponding bodywork C .

Pour réaliser le contrôle général, ou partiel, d'une carrosserie de voiture automobile, celle-ci est fixée au-dessus du banc de contrôle 1, communément dénommé "marbre", par exemple un banc tel que celui décrit dans le brevet français 2.423.748. Cette fixation est assurée au moyen de plusieurs ferrures de fixation constituées par des dispositifs 2p du même type que les dispositifs de contrôle proprement dit, c'est-à-dire les dispositifs 2a, 2b. Cependant pour pouvoir contrôler l'emplacement de fixation de l'extrémité supérieure des amortisseurs avant de type Mac Pherson, les roues correspondantes 4 du véhicule doivent être déposées avant la mise en place de la carrosserie sur le banc de contrôle et sa fixation sur celui-ci au moyen d'une série de dispositifs selon l'invention.To carry out general or partial control of a motor vehicle body, it is fixed above the control bench 1, commonly known as "marble", for example a bench such as that described in French patent 2,423,748. This fixing is ensured by means of several fixing fittings constituted by 2p devices of the same type as the actual control devices, that is to say the devices 2a, 2b. However, in order to be able to check the fixing location of the upper end of the Mac Pherson type front shock absorbers, the corresponding wheels 4 of the vehicle must be removed before installing the bodywork on the test bench and fixing it on it. ci by means of a series of devices according to the invention.

Chaque dispositif de contrôle 2a est constitué par une colonne 10 ouverte sur toute sa hauteur dont l'extrémité inférieure comporte une platine 11 pourvue de trous 12 espacés selon le même module d'espacement que les trous 13 prévus sur les longerons la du banc de contrôle 1, ainsi que sur les appendices latéraux 14 prévus à l'extrémité avant de ces longerons. De façon avantageuse, chaque colonne 10 est constituée par une tôle roulée en forme de gouttière dont les parois latérales ont une largeur dégressive vers le haut, comme représenté sur les figures 2 et 4.Each control device 2a is constituted by a column 10 open over its entire height, the lower end of which comprises a plate 11 provided with holes 12 spaced apart according to the same spacing module as the holes 13 provided on the longitudinal members la of the control bench 1, as well as on the lateral appendages 14 provided at the front end of these beams. Advantageously, each column 10 is constituted by a rolled sheet in the form of a gutter whose side walls have a tapering width upwards, as shown in FIGS. 2 and 4.

A son extrémité supérieure, la colonne 10 porte un manchon de guidage 15 logé dans cette extrémité et fixé à celle-ci par soudure. Dans ce manchon est montée une tige de contrôle 16 susceptible de coulisser à l'intérieur de celui-ci. Cependant, il est prévu des moyens d'immobilisation (non représentés) empêchant par contre une rotation de cette tige sur elle-même à l'intérieur du - manchon de guidage 15.At its upper end, the column 10 carries a guide sleeve 15 housed in this end and fixed to the latter by welding. In this sleeve is mounted a control rod 16 capable of sliding inside thereof. However, immobilization means (not shown) are provided, on the other hand, preventing this rod from rotating on itself inside the guide sleeve 15.

En effet, il convient que cette tige soit disposée dans une orientation angulaire précise pour permettre un contrôle valable de la position dans l'espace de l'emplacement de fixation de l'extrémité supérieure d'un amortisseur 1 de type Mac Pherson. Or cette orientation est déterminée par l'axe X-X' du manchon de guidage 15 qui forme un angle o< par rapport à la verticale. Ce manchon est donc fixé dans l'orientation voulue sur l'extrémité supérieure de la colonne 10, comme illustré à la figure 3.In fact, this rod should be arranged in a precise angular orientation to allow valid control of the position in space of the location for fixing the upper end of a shock absorber 1 of the Mac Pherson type. However, this orientation is determined by the axis XX ′ of the guide sleeve 15 which forms an angle o <with respect to the vertical. This sleeve is therefore fixed in the desired orientation on the upper end of the column 10, as illustrated in FIG. 3.

A son extrémité supérieure, la tige 16 porte un disque 17 pourvu, en son centre, d'une rondelle saillante 18 de centrage qui est destinée à être engagée à l'intérieur de l'ouverture 6 prévue dans la partie 7 de la carrosserie pour la fixation de l'extrémité supérieure d'un amortisseur 3 de type Mac Pherson.At its upper end, the rod 16 carries a disc 17 provided, in its center, with a projecting washer 18 for centering which is intended to be engaged inside the opening 6 provided in the part 7 of the body for fixing the upper end of a shock absorber 3 of the Mac Pherson type.

Au repos, la tige 16 se trouve placée dans une position basse, déterminée par une butée 19 portée par celle-ci et qui est alors en appui contre le bord supérieur du manchon 15. Cependant, pour effectuer le contrôle prévu, cette tige doit être relevée par coulissement jusque dans une position pour laquelle un alésage transversal 20 de cette tige se trouve amené en concordance avec des trous diamétraux 21 du manchon de guidage 15. Une goupille 22 permet alors d'immobiliser la tige 16 dans cette position pour laquelle la rondelle supérieure 18 de centrage doit se trouver très exactement engagée dans l'ouverture 6 de la partie correspondante 7 de la carrosserie, cependant que le disque 17 est pour sa part en appui contre les bords internes de cette même ouverture, comme représenté sur la figure 5.At rest, the rod 16 is placed in a low position, determined by a stop 19 carried by the latter and which is then in abutment against the upper edge of the sleeve 15. However, to carry out the planned inspection, this rod must be raised by sliding into a position for which a transverse bore 20 of this rod is brought into line with diametrical holes 21 of the guide sleeve 15. A pin 22 then makes it possible to immobilize the rod 16 in this position for which the washer upper centering 18 must be very exactly engaged in the opening 6 of the corresponding part 7 of the body, while the disc 17 is for its part in abutment against the internal edges of this same opening, as shown in Figure 5 .

Si une telle concordance ne peut pas être réalisée, ceci signifie que la partie correspondante de la carrosserie a été déformée et ne correspond plus aux spécifications indiquées par le constructeur de la voiture correspondante. Cependant, si on se trouve en présence d'une déformation d'importance limitée, cette partie de la carrosserie peut être redressée au moyen du dispositif 2a selon l'invention sans avoir à retirer les supports de fixation de la carrosserie.If such a match cannot be achieved, this means that the corresponding part of the bodywork has been deformed and no longer corresponds to the specifications indicated by the manufacturer of the corresponding car. However, if there is a deformation of limited importance, this part of the body can be straightened by means of the device 2a according to the invention without having to remove the fixing supports from the body.

En effet, du fait même que la colonne 10 est ouverte sur toute sa hauteur, un vérin de poussée 23 peut être placé à l'intérieur de celle-ci comme représenté sur les figures 2 et 5, afin que la tête 24 de ce vérin vienne agir sur la tige 16. Celle-ci sert alors d'organe de poussée contre la face interne de la partie correspondante 7 de la carrosserie. Dans un tel cas, le disque 17 et la rondelle de centrage 18 peuvent être remplacés par un autre disque 17a apte à servir d'organe d'appui et qui est dépourvu de rondelle de centrage à son extrémité supérieure.Indeed, by the very fact that the column 10 is open over its entire height, a thrust cylinder 23 can be placed inside of it as shown in FIGS. 2 and 5, so that the head 24 of this cylinder come act on the rod 16. This then serves as a pushing member against the internal face of the corresponding part 7 of the body. In such a case, the disc 17 and the washer centering 18 can be replaced by another disc 17a adapted to serve as a support member and which has no centering washer at its upper end.

Ceci permet donc de procéder très facilement, et rapidement, au redressement localisé de la partie correspondante de la carrosserie. Ensuite le dispositif 2a selon l'invention peut être à nouveau utilisé pour contrôler le redressement effectué, et vérifier si dorénavant l'emplacement de l'ouverture 6 correspond aux spécifications de la carrosserie à réparer.This therefore makes it possible to proceed very easily, and quickly, to the localized straightening of the corresponding part of the bodywork. Then the device 2a according to the invention can be used again to control the straightening carried out, and to check whether from now on the location of the opening 6 corresponds to the specifications of the body to be repaired.

Bien entendu, ainsi qu'il a déjà été indiqué, le dispositif 2a selon l'invention ne peut être utilisé que pour des redressements correspondant à des déformations d'importance limitée. Cependant, il est fréquent que l'on se trouve en présence de telles déformations. C'est pourquoi dans demombreux cas ce dispositif sera suffisant et éditera d'avoir recours à l'emploi des appareils habituels dé redressement de carrosserie. Or il en résulte un gain de temps extrêmement important, puisque l'utilisation de ce dispositif évite d'avoir à démonter les supports de la carrosserie et que par ailleurs le contrôle du redressement à effectuer peut être réalisé immédiatement avec ce même dispositif.Of course, as has already been indicated, the device 2a according to the invention can only be used for adjustments corresponding to deformations of limited importance. However, it is frequent that one is in the presence of such deformations. This is why in many cases this device will be sufficient and will edit to have recourse to the use of the usual body straightening devices. However, this results in an extremely significant time saving, since the use of this device avoids having to dismantle the supports of the bodywork and, moreover, the control of the straightening to be carried out can be carried out immediately with this same device.

Comme déjà mentionné la carrosserie à contrôler doit être au préalable fixé sur le banc 1 utilisé. Cette fixation peut être assurée au moyen d'un certain nombre de dispositifs de contrôle et de fixation selon l'invention, tels que des dispositifs 2p représentés aux figures 1, 4 et 5. Chacun de ces dispositifs est du même type que les dispositifs 2a, 2b. Cependant, ces dispositifs de fixation sont spécifiques au type particulier de véhicule à contrôler et ils servent également, en eux-mêmes, à assurer un contrôle des déformations éventuelles de la carrosserie à vérifier.As already mentioned, the body to be checked must first be fixed on the bench 1 used. This fixing can be ensured by means of a number of control and fixing devices according to the invention, such as 2p devices shown in FIGS. 1, 4 and 5. Each of these devices is of the same type as the devices 2a , 2b. However, these fixing devices are specific to the particular type of vehicle to be checked and they also serve, in themselves, to ensure a check for possible deformations of the bodywork to be checked.

Chacun de ces dispositifs est donc constitué par une colonne 10 ouverte sur toute sa hauteur et dont l'extrémité inférieure comporte une platine 11 permettant de la fixer sur les longerons du banc de contrôle 1. Cette colonne porte une tige 16,montée dans un manchon 15,et qui porte une tête 17p apte à recevoir l'élément correspondant 7p de la carrosserie, lequel peut être fixé sur cette tête, au moyen d'un ou plusieurs boulons.Each of these devices is therefore constituted by a column 10 open over its entire height and the end of which lower part comprises a plate 11 allowing it to be fixed on the side members of the control bench 1. This column carries a rod 16, mounted in a sleeve 15, and which carries a head 17p capable of receiving the corresponding element 7p of the bodywork, which can be fixed on this head, by means of one or more bolts.

En utilisant un nombre suffisant de dispositifs de fixation de ce genre, qui sont judicieusement répartis, on peut assurer une fixation suffisamment robuste de la carrosserie sur le banc de contrôle pour pouvoir résister aux efforts existant lors des opérations de redressement localisé effectuées avec les dispositifs de contrôle. Even- tuellement la fixation de la carrosserie peut être complétée en utilisant des pinces de fixation de bas de caisse. Ainsi, lors de fortes tractions avec les vérins correspondants, les efforts se répartissent sur les dispositifs de fixation et sur ces pinces avec des risques moindres de déformation du soubassement de la carrosserie et des dispositifs de fixation.By using a sufficient number of fixing devices of this kind, which are judiciously distributed, it is possible to ensure a sufficiently robust fixing of the bodywork to the control bench to be able to withstand the forces existing during the localized straightening operations carried out with the control. Optionally the fixing of the bodywork can be completed by using lower body fixing clips. Thus, during strong pulls with the corresponding jacks, the forces are distributed over the fixing devices and on these clamps with less risk of deformation of the underbody of the bodywork and of the fixing devices.

Les autres dispositifs 2b, 2c, 2d; 2e, 2f, 2g et 2h, représentés sur la figure 1, sont également conçus pour assurer le contrôle de plusieurs points déterminés d'une carrosserie et éventuellement la fixation de celui-ci sur le marbre correspondant 1, par l'intermédiaire de ces différents points.The other devices 2b, 2c, 2d; 2e, 2f, 2g and 2h, shown in FIG. 1, are also designed to ensure the control of several determined points of a bodywork and possibly the fixing thereof on the corresponding marble 1, by means of these different points.

Or, tous ces dispositifs répondent à une même conception générale que les dispositifs 2a et 2p décrits précédemment. En effet chacun d'eux est constitué par une colonne creuse 10 ouverte sur toute sa hauteur et dont l'extrémité inférieure est fixée sur une platine 11 comportant des trous 12 ayant un même module d'espacement, cependant que son extrémité supérieure comporte un manchon à l'intérieur duquel coulisse une tige 16.Ces dispositifs peuvent être utilisés à la fois pour un contrôle simple et une opération de redressement localisé. Dans ce dernier cas un vérin amovible, tel que le vérin 23, est placé à l'intérieur de la colonne 10 du dispositif correspondant pour agir sur la tige 16 de celui-ci.However, all these devices respond to the same general design as the devices 2a and 2p described above. Indeed each of them is constituted by a hollow column 10 open over its entire height and whose lower end is fixed on a plate 11 having holes 12 having the same spacing module, while its upper end comprises a sleeve inside which slides a rod 16. These devices can be used both for simple control and for a localized straightening operation. In the latter case a removable cylinder, such as the cylinder 23, is placed inside the column 10 of the corresponding device to act on the rod 16 thereof.

Or, tous ces dispositifs ne se différencient des des dispositifs 2a que par leur hauteur et la nature de la tête de contrôle rapportée sur l'extrémité supérieure de leur tige coulissante 16. En effet au lieu d'une semelle d'appui 17 portant une rondelle de centrage 18, il est prévu des têtes de contrôle de types différents adaptées à la nature et à la position des différents points à contrôler.However, all of these devices differ from the devices 2a only in terms of their height and the nature of the control head attached to the upper end of their sliding rod 16. Indeed, instead of a support sole 17 carrying a centering washer 18, there are provided control heads of different types adapted to the nature and position of the different points to be checked.

Du reste, les figures 7 à 12 représentent divers exemples de dispositifs selon l'invention 2h, 2i, 2j, 2k, 21, 2m dont les tiges coulissantes 16 sont équipées de têtes de contrôle 17h, 17i, 17j, 17k, 171, 17m de types différents.Moreover, FIGS. 7 to 12 show various examples of devices according to the invention 2h, 2i, 2d, 2k, 21, 2m, the sliding rods 16 of which are equipped with control heads 5pm, 17i, 17d, 17k, 171, 17m of different types.

Comme les autres éléments constitutifs des dispositifs en cause sont identiques, ou tout au moins similaires, le coût de fabrication de ceux-ci est considérablement réduit par rapport au coût de fabrication des ferrures spécifiques de contrôle constituant les appareillages habituellement utilisés pour un contrôle selon le système dit "positif".As the other components of the devices in question are identical, or at least similar, the manufacturing cost of these is considerably reduced compared to the manufacturing cost of the specific control fittings constituting the equipment usually used for control according to the so-called "positive" system.

A ce sujet, il convient de noter que dans chacun des dispositifs en cause, l'axe vertical du manchon supérieur 15 ne traverse pas la platine inférieure 11 au centre géométrique des quatre trous de celle-ci, ni dans une position arbitraire, par rapport à ces trous, mais au quart de la distance du côté du carré formé par les quatre trous. Cette particularité permet de modifier l'emplacement de la tige 16 dans l'espace en échangeait la position angulaire du dispositif correspondant, tout en utilisant les mêmes trous de fixation.In this regard, it should be noted that in each of the devices in question, the vertical axis of the upper sleeve 15 does not cross the lower plate 11 at the geometric center of the four holes thereof, nor in an arbitrary position, relative to these holes, but a quarter of the distance from the side of the square formed by the four holes. This feature makes it possible to modify the location of the rod 16 in space by exchanging the angular position of the corresponding device, while using the same fixing holes.

Par ailleurs les tiges coulissantes de certains au moins des dispositifs en cause peuvent comporter deux trous 20 au lieu d'un seul pour permettre deux possibilités différentes de réglage en hauteur de la tête de contrôle correspondante. Il est également possible de prévoir des trous décalés angulairement pour pouvoir immobiliser les têtes de contrôle dans des positions angulaires différentes.Furthermore, the sliding rods of at least some of the devices in question may have two holes 20 instead of a single one to allow two different possibilities for adjusting the height of the corresponding control head. It is also possible to provide angularly offset holes in order to be able to immobilize the control heads in different angular positions.

Claims (4)

1 - Appareillage pour le contrôle des carrosseries d'automobiles, comportant un jeu de dispositifs de contrôle et/ou de fixation destinés à être montés sur un banc de contrôle de carrosserie d'automobile pour procéder au contrôle de la position de certains points déterminés d'une telle carrosserie, chacun de ces dispositifs comportant une colonne sur l'extrémité supérieure de laquelle est adaptée une tige ou tête de contrôle, montée amovible et interchangeable avec d'autres tiges ou têtes de contrôle, celle-ci étant agencée pour se trouver placée à l'emplacement exact que devrait normalement occuper le point à contrôler, caractérisé a) en ce que le pièce, prévue à l'extrémité supérieure de la colonne (10) de chaque dispositif de contrôle ou de fixation (2a, 2b...2m), est une tige (16) montée coulissante à l'intérieur d'un manchon fixe (15) de guidage, qui est convenablement orienté et qui est porté par l'extrémité supérieure de la colonne correspondante (10), des moyens amovibles d'immobilisation étant par ailleurs prévus pour immobiliser cette tige dans une position pour laquelle une tête de contrôle (17, 17a..17m), portée par l'extrémité supérieure de cette tige, est apte à servir d'organe de contrôle se trouvant à l'emplacement exact que devrait normalement occuper le point respectif à contrôler ; b) et en ce que la colonne (10) de chaque dispositif de contrôle ou de fixation est creuse et contient un vérin de poussée (23) disposé de façon amovible à l'intérieur de celle-ci et qui est susceptible d'exercer alors une poussée sur la tige coulissante correspondante (16) pour assurer un redressement localisé de la partie correspondante de la carrosserie contrôlée. 1 - Apparatus for the control of automobile bodies, comprising a set of control and / or fixing devices intended to be mounted on an automobile body control bench for controlling the position of certain determined points d '' such a body, each of these devices comprising a column on the upper end of which is adapted a rod or control head, removably mounted and interchangeable with other rods or control heads, the latter being arranged to be placed at the exact location that the point to be checked should normally occupy, characterized a) in that the part, provided at the upper end of the column (10) of each control or fixing device (2a, 2b ... 2m), is a rod (16) slidably mounted inside a fixed guide sleeve (15), which is suitably oriented and which is carried by the upper end of the corresponding column (10), removable immobilization means being moreover provided for immobilizing this rod in a position for which a control head (17, 17a..17m), carried by the upper end of this rod, is capable of serving as a control member located at the exact location that the respective point to be checked should normally occupy; b) and in that the column (10) of each control or fixing device is hollow and contains a thrust cylinder (23) removably arranged inside the latter and which is capable of exerting then a push on the corresponding sliding rod (16) to ensure localized straightening of the corresponding part of the controlled bodywork. 2 - Appareillage selon la revendication 1, caractérisé en ce que la colonne ouverte (10) de celui-ci comporte à sa base, une platine (11) percée de trous (12) espacés selon le même module d'espacement que les trous (13) prévus sur le banc de contrôle (1) utilisé.2 - Apparatus according to claim 1, characterized in that the open column (10) thereof comprises at its base, a plate (11) pierced with holes (12) spaced apart according to the same spacing module as the holes ( 13) planned on the control bench (1) used. 3 - Appareillage selon l'une des revendications précédentes, caractérisé en ce que le manchon de guidage (15), prévu à l'extrémité supérieure de la colonne (10) de celui-ci, comporte des moyens d'immobilisation empêchant la tige de contrôle (16) de tourner sur elle-même, tout en permettant son libre coulissement dans le sens axial.3 - Apparatus according to one of the preceding claims, characterized in that the guide sleeve (15), provided at the upper end of the column (10) thereof, comprises immobilizing means preventing the rod from control (16) to rotate on itself, while allowing its free sliding in the axial direction. 4 - Appareillage selon l'une des revendications précédentes, caractérisé en ce que les moyens, déterminant la position exacte de contrôle de la tige coulissante (16) dans le manchon de guidage (15), consistent en des trous ménagés dans ces deux pièces et destinés à être amenés en concordance pour recevoir une goupille (22) d'immobilisation.4 - Apparatus according to one of the preceding claims, characterized in that the means, determining the exact control position of the sliding rod (16) in the guide sleeve (15), consist of holes made in these two parts and intended to be brought into concordance to receive a locking pin (22).
EP19850400684 1983-12-12 1985-04-05 Apparatus to be mounted on a motor vehicle body test stand for executing a localized control and possible straightening Expired EP0197229B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8319831A FR2556248B1 (en) 1983-12-12 1983-12-12 DEVICE FOR MOUNTING ON A MOTOR VEHICLE BODY INSPECTION BENCH FOR LOCALIZED INSPECTION AND POSSIBLE RECTIFICATION
EP19850400684 EP0197229B1 (en) 1983-12-12 1985-04-05 Apparatus to be mounted on a motor vehicle body test stand for executing a localized control and possible straightening
DE8585400684T DE3570373D1 (en) 1985-04-05 1985-04-05 Apparatus to be mounted on a motor vehicle body test stand for executing a localized control and possible straightening

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FR8319831A FR2556248B1 (en) 1983-12-12 1983-12-12 DEVICE FOR MOUNTING ON A MOTOR VEHICLE BODY INSPECTION BENCH FOR LOCALIZED INSPECTION AND POSSIBLE RECTIFICATION
EP19850400684 EP0197229B1 (en) 1983-12-12 1985-04-05 Apparatus to be mounted on a motor vehicle body test stand for executing a localized control and possible straightening

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Cited By (3)

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EP0253269A2 (en) * 1986-07-16 1988-01-20 LINEA A S.r.l. Fixing clamp for straightening the bodywork of accident-damaged automobiles, and in particular the sheet metal seats for Macpherson suspension heads
EP0364727A2 (en) * 1988-10-15 1990-04-25 Celette Gmbh Terminal angle straightening device for a bench for straightening and repairing damaged motor vehicle bodies
BE1007009A3 (en) * 1993-04-21 1995-02-14 Atlantic Naamloze Vennootschap Improved column for straightening machine

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FR2556248B1 (en) * 1983-12-12 1989-08-18 Celette Sa DEVICE FOR MOUNTING ON A MOTOR VEHICLE BODY INSPECTION BENCH FOR LOCALIZED INSPECTION AND POSSIBLE RECTIFICATION
FR2582238B2 (en) * 1985-05-21 1992-06-12 Celette Sa DEVICE FOR MOUNTING ON A MOTOR VEHICLE BODY INSPECTION BENCH FOR LOCALIZED INSPECTION AND POSSIBLE RECTIFICATION
IT1186211B (en) * 1985-11-19 1987-11-18 Bike Mach Srl AUTOMATIC MACHINE FOR CHECKING AND SQUARING BICYCLE FRAMES
US4781045A (en) * 1986-04-01 1988-11-01 Celette S.A. Vehicle checking and straightening equipment with interchangeable operating heads
CN110800025A (en) * 2017-06-26 2020-02-14 威图纳有限公司 System and method for designing customized vehicle repair configurations

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EP0253269A2 (en) * 1986-07-16 1988-01-20 LINEA A S.r.l. Fixing clamp for straightening the bodywork of accident-damaged automobiles, and in particular the sheet metal seats for Macpherson suspension heads
EP0253269A3 (en) * 1986-07-16 1988-08-17 LINEA A S.r.l. Fixing clamp for straightening the bodywork of accident-damaged automobiles, and in particular the sheet metal seats for macpherson suspension heads
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EP0364727A2 (en) * 1988-10-15 1990-04-25 Celette Gmbh Terminal angle straightening device for a bench for straightening and repairing damaged motor vehicle bodies
EP0364727A3 (en) * 1988-10-15 1991-01-23 Celette Gmbh Terminal angle straightening device for a bench for straightening and repairing damaged motor vehicle bodies
BE1007009A3 (en) * 1993-04-21 1995-02-14 Atlantic Naamloze Vennootschap Improved column for straightening machine

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Publication number Publication date
EP0197229B1 (en) 1989-05-24
FR2556248B1 (en) 1989-08-18
FR2556248A1 (en) 1985-06-14

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