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EP0765699A1 - Richtbank zum Richten von Kraftfahrzeugkarosserien - Google Patents

Richtbank zum Richten von Kraftfahrzeugkarosserien Download PDF

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Publication number
EP0765699A1
EP0765699A1 EP96401921A EP96401921A EP0765699A1 EP 0765699 A1 EP0765699 A1 EP 0765699A1 EP 96401921 A EP96401921 A EP 96401921A EP 96401921 A EP96401921 A EP 96401921A EP 0765699 A1 EP0765699 A1 EP 0765699A1
Authority
EP
European Patent Office
Prior art keywords
frame
straightening
frame according
bolt
anchoring
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
EP96401921A
Other languages
English (en)
French (fr)
Other versions
EP0765699B1 (de
Inventor
Pierre Legrand
Jean-Claude Chollat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Blackhawk SA
Original Assignee
Blackhawk SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR9511383A external-priority patent/FR2739309B1/fr
Priority claimed from FR9610338A external-priority patent/FR2752538B1/fr
Application filed by Blackhawk SA filed Critical Blackhawk SA
Publication of EP0765699A1 publication Critical patent/EP0765699A1/de
Application granted granted Critical
Publication of EP0765699B1 publication Critical patent/EP0765699B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
    • 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
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/065—Scissor linkages, i.e. X-configuration

Definitions

  • the invention relates to a straightening chassis for automobile bodywork, which should allow the straightening of damage caused by small accidents, or even by larger accidents.
  • the reverse operation necessary for dismantling the vehicle when the straightening work has been carried out, involves a reverse sequence of steps.
  • the object of the invention is to simplify the straightening operations, thanks to a new straightening frame which is, even taken with its straightening tools, compact, easy to implement, and requiring a small number of maneuvers or operations. .
  • the invention provides a straightening frame for a motor vehicle body comprising a horizontal anchoring frame having two side members adapted to come under the lateral edges of a body to be straightened, clamping elements intended to be fixed removably to this anchoring frame, a lifting device adapted to vertically move the frame, characterized in that this frame further comprises a central frame, fixed to the lifting device, located between the side members of the frame and comprising support pads of wheels located in the extension of these beams, this central frame being free to be lifted relative to and above the anchoring frame, temporary securing means being provided to secure the central frame at will to the anchoring frame .
  • Figure 1 shows the permanent elements of a straightening frame according to the invention.
  • This straightening frame essentially comprises a central frame 1, an anchoring frame 2, a lifting device 3, and four wheel support pads 4.
  • the central frame 1 is in principle fixed to the lifting device 3 so as to form jointly with the latter a kind of lifting table with advantageously vertical movement.
  • this central frame 1 essentially comprises two longitudinal members 1A and 1B intended to be parallel to the longitudinal axis of a body to be straightened, as well as two cross-members 1C and 1D ensuring that these longitudinal members are joined together. one to another.
  • the lifting device 3 has the function of raising or lowering the central frame 1 from the ground level. It can be of any suitable known type; it can thus be a lifting table with a deformable parallelogram, ensuring, during the lifting or lowering movement, a longitudinal movement. However, for a good positioning of this central frame 1 relative to the anchoring frame 2 (see below), it is preferable, as has just been indicated, that this lifting device have an essentially vertical movement . This is why, in the example shown, the lifting device comprises two lateral pairs of lifting arms, the arms of each pair being articulated in median portions to one another. Of course, this configuration requires that the lower (respectively upper) ends of the arms can move towards or away from each other.
  • the central frame 1 comprises, for its cooperation with the lifting arms, two attachment tabs 1E and 1F, integral with one of the crosspieces, here the crosspiece 1C, as well as two guide rails longitudinal 1G and 1H, arranged near the cross-member 1D: the upper ends of two of the lifting arms are fixed to the attachment lugs 1E and 1F, while the upper ends of the two other lifting arms are slidably mounted in the rails 1G and 1H.
  • the same arrangement is provided for the lower ends of these lifting arms, attachment tabs and guide rails (not shown) being provided either on a floor frame, or directly on the floor.
  • the longitudinal members 1A and 1B of the central frame 1 are advantageously hollow so as to be able to receive in sliding bars 4A secured to the wheel support pads 4.
  • FIG. 4 An elementary module formed by such a bar 4A and a wheel support pad is shown as an isolated figure in Figure 4. It is advantageously provided with handles 10 intended to facilitate handling.
  • the central frame 1 is in fact associated with four modules of the type of that of the Figure 4, more precisely two modules identical to that of Figure 4 and two symmetrical modules thereof with respect to a longitudinal plane of the bar 4A.
  • this spar or this bar comprises a plurality of holes or bores, whereby the position of the wheel bearing module of Figure 4 (or its symmetrical) can be modified inside a spar of the central frame 1.
  • the central frame 1 is intended to be able to move in height relative to the anchoring frame 2 when the latter remains in the low configuration, for example in support on the ground.
  • This anchoring frame 2 essentially comprises two lateral beams 2A and 2B secured to one another by two cross members 2C and 2D. It is essentially on the beams 2A and 2B that conventional clamping tools, an example of which in FIG. 5, are intended to be fixed by any suitable means, not shown.
  • each lateral spar is formed of two tubes arranged side by side so as to form between them a slot through which can be arranged bolts or any other suitable element making it possible to lock the clamping tools in place.
  • the lateral spar 2A comprises two tubes 2A1 and 2A2, here of square section, delimiting a slot 2A3.
  • these beams have hollow tubular transverse portions, marked 2E, here three in number per beam, that is to say that each beam has two end portions and an intermediate portion.
  • this device essentially comprises a chassis bar 20 in two parts A and B, an arm 21 articulated on the part A intended to cooperate with a force application element, not shown, such as a chain, a jack 22 articulated at its ends on part A of the chassis bar 20 and on the arm 21, an operating lever 23 and, advantageously, rolling members shown under the general reference 24.
  • the straightening device adapted to be engaged in the housings 2E can, instead of the articulated arm type of FIG. 6A, be of the vector type (with a jack acting directly on a chain) or of the movable tower type of traction (where chain pulleys are mounted on tubular lathes).
  • the two parts A and B of the bar 20 are connected to each other by a link C allowing relative rotation between A and B around an axis here horizontal longitudinal L-L.
  • the part A and the elements 21 and 22 rotate to the right or to the left relative to the part B.
  • a rotation locking device is provided so as to place the arm 21 in the alignment conditions necessary to apply the necessary tensile forces.
  • a part E shown in FIG. 6B, comprises a series of holes 25 arranged on an arc of a circle centered on the axis L-L. This part is fixed on the edge of part B.
  • the edge of part A which is opposite, comprises a part comprising a longitudinal bore in which slides a locking finger D: the choice of the relative position between A and B is made by the choice of a hole 25 of the piece E in which finger D is inserted.
  • the finger D is connected by a rod F to the lever 23 which thus makes it possible, according to its angular position around its transverse axis of articulation, to lock, or not, the part A with respect to the part B.
  • the inclination adjustment of part A is all the more fine as the holes 25 are numerous (11 holes in FIG. 6B).
  • the running gear is preferably attached to part B.
  • a straightening tool such as that of FIGS. 6A and 6B can be put in place by sliding the bar 20 in any one of the hollow tubular portions 2E of one or the other of the longitudinal members of the anchoring frame 2.
  • the temporary fixing of this tool in the hollow tubular portion chosen is advantageously made, as in the case of the removable fixing of the modules 4 to the central frame of FIG. 3, by pins not shown cooperating with suitable bores or holes.
  • the longitudinal members of the central frame advantageously have the same internal section as these hollow portions, whereby, after removal of a module 4 (the bars 4A and 20 likewise having identical sections), they can also receive for sliding and fixing the bar 20 of the straightening tool.
  • the anchoring frame 2 is intended to be secured at will to the central frame 1.
  • This joining can be done by any appropriate means. In particular by snap-fastening or by screw or bolt.
  • the central frame 1 comprises, on its cross members 1C and 1D, ears 13 of which only those fixed to the cross member 1C are visible.
  • the anchoring frame 2 comprises, for its part, preferably on crosspieces, namely the aforementioned crosspieces 2C or 2D or on additional crosspieces, a plurality of vertically projecting pins marked 14. These pins 14 are, in the example considered, threaded at least on their upper part. Each of these pins 14 is intended to cooperate with an ear 13 of the central frame 1. The screwing of a bolt not shown on the threaded parts of the pins 14, after these have passed through the ears 13 of the frame 1, allows a effective joining of frames 1 and 2.
  • these pins 14 also provide a centering function of the central frame with respect to the anchoring frame.
  • the pins 14 only provide this centering function while the two frames are joined together in other places, for example by means of transverse pins passing simultaneously through the side members of the two frames.
  • the joining of the frames to each other can be carried out automatically, for example by snaps of any suitable known type. It is then preferable to provide a safety device which guarantees permanent locking of the pawls for assembling the two frames, a locking which is not removed until the central frame descends to the ground; only then is the user free to separate the two frames.
  • FIGS. 7 to 9 show a locking block in particular suitable for being fixed under a cross member of the central frame, for example at the locations shown in dashed lines under the reference 30 in FIG. 3 (there is preferably a locking block in each of the four corners).
  • This block comprises a bolt 31 movable horizontally, having a projecting configuration in which it enters a housing 32 formed in a portion forming a keeper integral with the anchoring frame 2.
  • the block comprises a lock body 33 in which is formed a horizontal bore 34, here of circular section, in which the bolt can slide.
  • a retaining circlip 35 is provided at the outlet of this housing, in an annular groove 36, to prevent any escape of the bolt.
  • Another circlip 35 is provided at the other end of the bore 34, serving to retain a washer 37 on which a spring 38 is supported; this spring is compressed between this washer 37 and the rear edge of the bolt, thus urging the latter towards its protruding locking configuration.
  • a control rod 39 is fixed to the rear of the bolt whereby a tensile force can be applied to the bolt to retract it.
  • This tie rod can be connected to a pedal or an operating handle, not shown.
  • the bolt Through the bolt is provided a vertical slot 40 elongated parallel to the axis of the bore.
  • the bolt also has a transverse bearing 41.
  • a lower bore 42 opening downwards and an upper bore 43 of larger diameter, here closed by a cover 44.
  • the horizontal transverse dimension of the lower bore 42 is substantially equal to that of the light (see Figure 8); this lower bore is facing the light.
  • a locking finger adapted to slide vertically.
  • This finger 45 has a rod 46 vertically passing through the lumen 40 and the lower bore.
  • This finger further comprises a head 47 adapted to slide in the upper bore as far as in the bore 34 so as to come opposite the transverse bearing 41.
  • this transverse bearing 41 is tangent to the front of the light and the lowering of the head into the bore 34 is made possible by lateral flats 48 bordering the light.
  • a spring 49 bearing on the cover 44 applies to the finger 45 a vertical downward thrust.
  • the length of the rod 46 is such that this rod projects downward when the head comes into the bore opposite the shoulder; this head is preferably higher than the shoulder 41 whereby the finger 45 is in any configuration held horizontally by each of the bores 42 and 43.
  • the bolt is in the locking configuration: the frames 1 and 2 are secured to each other.
  • the device in FIGS. 7 to 9 therefore ensures locking that cannot in practice be neutralized except in the low configuration of frame 1 and therefore also of frame 2.
  • the longitudinal members of the central frame 1 internally run along the longitudinal members of the anchoring frame 2.
  • the wheel support pads 4 removably attached to the longitudinal members of the internal frame 1 are projecting from the side outwards, it is understood that these pads are substantially in the extension of the longitudinal members of the anchoring frame 2.
  • these longitudinal members constitute a rolling track allowing the ascent and descent by rolling on its wheels of a vehicle automobile.
  • the elements 4A and 20 which engage in tubular portions 1A-1B or 2E of the frame are of square section. This is of course only an example, it being specified that any other section could be envisaged. It is however preferable that this section is polygonal so as to facilitate the blocking in relative rotation between the parts to be joined by fitting.
  • the invention provides for the use of two frames which can be made integral or not, depending on the maneuver to be carried out, and which, by their respective dimensions, combine to carry out the functions of lifting by the wheels and of clamping by the weld sill lips.
  • a straightening frame of the type which has just been described is intended to be used in bodywork repair for the functions of diagnostics and measurements, light repairs, and heavy repairs or restructuring of cases.
  • Figures 14 to 20 show a second straightening frame 100 which corresponds to a preferred embodiment of the invention. Its general structure is very similar to that of the first embodiment, and its constituent elements which correspond to those of this first chassis are designated by reference numbers which are deduced from those of FIGS. 1 to 13 by adding the number 100.
  • This straightening frame 100 thus comprises a central frame 101, an anchoring frame 102, a lifting device 103 and four wheel bearing pads 104.
  • the anchoring frame 102 with its longitudinal members 102A, 102B, 102C and 102D (advantageously formed of two tubes separated by a slot), is hardly distinguished from the frame 2 of FIG. 2 except by the presence of longitudinal hollow tubular portions 102F in addition to the hollow transverse tubular portions 102E.
  • the mounting positions of the traction tools are increased.
  • this anchoring frame 102 which carries locking blocks 130 intended to cooperate with pins 114 formed on the central frame 101.
  • the pins 114 are, in Figure 16, located substantially at the corners of the rectangle formed by the side members 101A, 101B, 101C and 101D. Only one of these pawns 114 is visible in this figure, thanks to a partial tearing.
  • the lifting device 103 is advantageously an autonomous device, comprising a lower chassis 103A, an upper chassis 103B and pivoting arms 103C.
  • This device is autonomous, in the sense that it comprises an upper frame (it can therefore be any lifting table usable independently of the central frame or of the anchoring frame) and in that it is to this frame higher (and not to the pivoting arms themselves) than the central frame 101 is fixed.
  • This central frame has for this purpose two cross members 101E adapted to be fixed, for example by twice four bolts, to the two transverse edges of the upper frame 103B of the lifting device.
  • the wheel bearing pads 104 are advantageously grouped in pairs within two wheel support elements 160, one of which is shown in FIG. 18.
  • This wheel support element 160 can be analyzed as being formed by two elementary modules of the type of FIG. 4, each formed by a bar 104A and a shoe 104 (located either on the right or on the left), and a cross member 104B connecting these two modules. This results in better rigidity and greater ease of adjustment.
  • the bars 104A are intended to slide, preferably by means of bearings not shown, in hollow tubular portions of the longitudinal members of the central frame; the length of the connecting crosspiece 104B is therefore equal to the distance separating these hollow tubular portions.
  • This element 160 is adapted to be selectively locked in one of several possible positions with respect to the central frame so as to be able to adapt to different types of car wheelbases.
  • the hollow tubular portions of the longitudinal members of the central frame are provided with several orifices while the bars 104A comprise retractable transverse pins 161 controlled, by means of a linkage not shown, by means of a lever or handle. 162 accessible to the operator, opening for example inside the gripping handles 110, which guarantees a certain protection of these levers or handles 162 with regard in particular to possible shocks.
  • FIGS. 19 and 20 show the combination of a locking block 130 of the frame 102 of FIG. 15 and a pin 114 of the frame 101 of FIG. 16.
  • the principle is very similar to that shown in FIGS. 7 to 9 with a horizontal blade 131 forming a bolt movable horizontally, having a projecting configuration in which it penetrates into a housing or notch 132 formed in the pin 114.
  • the block 130 comprises a lock body 133 in which is formed a vertical bore 134 adapted to receive the pin 114, and a horizontal housing 135 in which the blade 131 can slide.
  • This blade 131 is pushed towards the bore by lateral springs 136 while a jack 137, for example pneumatic, is provided for maneuvering this blade from front to back (against the springs) and reciprocally.
  • the blade is for this purpose coupled to the piston 138 of the jack by lateral rods 139 passing through the springs.
  • a lower vertical orifice 142 and an upper housing 143 of larger section adapted to receive a locking finger 145 comprising a guide rod sliding in the orifice 142 connected to a head 147 adapted to come , in a low configuration of the finger 145, behind the blade 131 when the latter is projecting.
  • a locking in assembly configuration This finger is held in this low configuration by a spring 148.
  • the locking finger comprises, in this low configuration, a portion projecting downwards, here an elastic support 149.
  • this support abuts, in a damped manner thanks to its elastic nature, against a support surface, not shown (as in FIGS. 7 to 9) located at ground level, which causes the finger to rise up to a high configuration in which the head 147 is above the blade which can therefore move back : a separation between the block 130 and the pin 114 is then possible, but only because the frames are at ground level.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
EP19960401921 1995-09-28 1996-09-09 Richtbank zum Richten von Kraftfahrzeugkarosserien Expired - Lifetime EP0765699B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR9511383A FR2739309B1 (fr) 1995-09-28 1995-09-28 Chassis de redressage pour carrosserie automobile
FR9511383 1996-08-21
FR9610338 1996-08-21
FR9610338A FR2752538B1 (fr) 1996-08-21 1996-08-21 Chassis de redressage pour carrosserie automobile

Publications (2)

Publication Number Publication Date
EP0765699A1 true EP0765699A1 (de) 1997-04-02
EP0765699B1 EP0765699B1 (de) 2001-08-16

Family

ID=26232232

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19960401921 Expired - Lifetime EP0765699B1 (de) 1995-09-28 1996-09-09 Richtbank zum Richten von Kraftfahrzeugkarosserien

Country Status (3)

Country Link
EP (1) EP0765699B1 (de)
JP (1) JPH09118206A (de)
DE (1) DE69614473T2 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0985464A1 (de) 1998-09-11 2000-03-15 Blackhawk S.A. Richtvorrichtung zum Richten von Fahrzeugkarosserien mit horizontale Peripheriebohrungen
EP2130624A1 (de) * 2008-06-06 2009-12-09 Blackhawk SA Richtbank zum Richten von Containern
CN106734375A (zh) * 2016-12-30 2017-05-31 上汽通用五菱汽车股份有限公司 一种支撑板矫正装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI127953B (fi) * 2016-09-12 2019-05-31 Venaelaeinen Olavi Ajoneuvon oikaisulaitteisto
CN110817739A (zh) * 2018-08-07 2020-02-21 营口冠华良易汽保设备有限公司 一种无柱移动举升机

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2349478A1 (fr) * 1976-04-26 1977-11-25 Applied Power Inc Appareil a redresser et a remettre en forme les chassis et carrosseries de vehicules
DE2628722A1 (de) * 1976-06-25 1977-12-29 Teuvo Olavi Venaelaeinen Chassisheber als vielzweckvorrichtung in einer automobilwerkstatt
US4238951A (en) * 1978-10-02 1980-12-16 Grainger Bros., Inc. Portable automobile straightening device
US4404838A (en) * 1981-07-23 1983-09-20 Hare Charles E System for straightening bent automobile bodies
FR2581634A1 (fr) * 1985-05-07 1986-11-14 Celette Sa Chariot elevateur, notamment pour la manipulation de vehicules automobiles et de marbres de redressement de vehicules
WO1987007190A1 (en) * 1986-05-28 1987-12-03 Autorobot Finland Ky Procedure in car body rectifying work and rectifying means arrangement
EP0307331A2 (de) * 1987-09-10 1989-03-15 Celette S.A. Einrichtung zum Wiederherstellen und Kontrollieren von beschädigten Fahrzeugkarosserien
EP0361410A2 (de) * 1988-09-30 1990-04-04 Les Fabrications Drolic Inc. Richtvorrichtung für Automobilkarosserie

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2349478A1 (fr) * 1976-04-26 1977-11-25 Applied Power Inc Appareil a redresser et a remettre en forme les chassis et carrosseries de vehicules
DE2628722A1 (de) * 1976-06-25 1977-12-29 Teuvo Olavi Venaelaeinen Chassisheber als vielzweckvorrichtung in einer automobilwerkstatt
US4238951A (en) * 1978-10-02 1980-12-16 Grainger Bros., Inc. Portable automobile straightening device
US4404838A (en) * 1981-07-23 1983-09-20 Hare Charles E System for straightening bent automobile bodies
FR2581634A1 (fr) * 1985-05-07 1986-11-14 Celette Sa Chariot elevateur, notamment pour la manipulation de vehicules automobiles et de marbres de redressement de vehicules
WO1987007190A1 (en) * 1986-05-28 1987-12-03 Autorobot Finland Ky Procedure in car body rectifying work and rectifying means arrangement
EP0307331A2 (de) * 1987-09-10 1989-03-15 Celette S.A. Einrichtung zum Wiederherstellen und Kontrollieren von beschädigten Fahrzeugkarosserien
EP0361410A2 (de) * 1988-09-30 1990-04-04 Les Fabrications Drolic Inc. Richtvorrichtung für Automobilkarosserie

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0985464A1 (de) 1998-09-11 2000-03-15 Blackhawk S.A. Richtvorrichtung zum Richten von Fahrzeugkarosserien mit horizontale Peripheriebohrungen
FR2783183A1 (fr) * 1998-09-11 2000-03-17 Blackhawk Sa Banc de redressage pour carrosseries automobiles ayant des percages peripheriques horizontaux
EP2130624A1 (de) * 2008-06-06 2009-12-09 Blackhawk SA Richtbank zum Richten von Containern
CN106734375A (zh) * 2016-12-30 2017-05-31 上汽通用五菱汽车股份有限公司 一种支撑板矫正装置

Also Published As

Publication number Publication date
EP0765699B1 (de) 2001-08-16
DE69614473T2 (de) 2002-05-08
JPH09118206A (ja) 1997-05-06
DE69614473D1 (de) 2001-09-20

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