EP1113889B1 - Device for straightening car body components - Google Patents

Device for straightening car body components Download PDF

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Publication number
EP1113889B1
EP1113889B1 EP99955688A EP99955688A EP1113889B1 EP 1113889 B1 EP1113889 B1 EP 1113889B1 EP 99955688 A EP99955688 A EP 99955688A EP 99955688 A EP99955688 A EP 99955688A EP 1113889 B1 EP1113889 B1 EP 1113889B1
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EP
European Patent Office
Prior art keywords
retainer
draw hooks
car body
hooks
hook
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99955688A
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German (de)
French (fr)
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EP1113889A1 (en
Inventor
Martin Strasser
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.)
Mv Marketing und Vertriebs-Gmbh & Co KG Wielander and Schill
MV Marketing und Vertriebs GmbH and Co KG
Original Assignee
Mv Marketing und Vertriebs-Gmbh & Co KG Wielander and Schill
MV Marketing und Vertriebs GmbH and Co KG
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Publication of EP1113889A1 publication Critical patent/EP1113889A1/en
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Publication of EP1113889B1 publication Critical patent/EP1113889B1/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
    • B21D1/06—Removing local distortions

Definitions

  • the invention relates to a device for reshaping of body parts according to the preamble of claim 1 and JP-A-09314232.
  • the invention is therefore based on the object to improve the generic device in that even more complicated damage cost-effectively and time-saving are fix.
  • the receptacle is U-shaped Includes bracket through which a releasably attachable Draw shaft extends, by means of which the draw hooks each the recording are held, because then you can on the Matched hooks are used in case of damage or it can be used for towing hooks with more than one hook finger appropriate hook fingers selected and in the necessary position be brought.
  • a very compact and stable construction of the device results together with significantly reduced weight if Towing hook between the legs of the U-shaped receptacle and additional pull hooks on the outside of the legs of the receptacle are held. This also makes handling easier improves and it can be fatigue-free for much longer be worked.
  • the tension shaft has a Has clamping device, which has an axial preload generated, because then, for example, pulling hooks are longitudinally displaceable, for example through an elongated hole in an optimal position for the repair.
  • each of these towing hooks Hook fingers with different effective lengths can be used, can, for example, by revolving the Check different damage geometries are taken into account.
  • the Towing hooks each offset by two through 180 ° Hook fingers, so that for example a line and a arch damage with the same tool is repairable.
  • the assigned attached to the body holding device through Butt welding applied wave wire and show the Pull the device the same distance as that mountains of waves on.
  • the repair is also the first time several places of one curved in the surface ongoing damage possible.
  • it can occur with small Radii of curvature of the damage, for example in the area of Headlights, the hook fingers occur respective hooks are no longer hooked into the shaft wire can be because the dotted wave wire so strongly curved to the side that in the direction of the Hook finger's remaining opening is smaller than that lateral dimensions will.
  • the pull hook between the location of the bracket on the Pickup and the mouth of the pull hook a twist around their Have longitudinal or tensile direction.
  • the Hook finger a lateral twist on which one Hooking again possible.
  • a preferred embodiment of the device comprises a Actuator and a connector and the Holder for towing hooks and towing hooks. It is Connecting element preferably designed as a retaining bolt and the actuator via the connector associated with the recording.
  • Connecting element preferably designed as a retaining bolt and the actuator via the connector associated with the recording.
  • the recording via a preferred connecting element in variable Positions of an actuator held is particularly advantageous.
  • the device is simple and quickly from one damage to another damage to the Body can be moved.
  • Fig. 1 Device for the reshaping of Body parts includes a claw 1a with an im essential U-shaped receptacle 2, which at the lower end of which substantially parallel legs 5, 6 each has concentric through holes 3, 4.
  • a pull shaft 7 with external threads on the front and rear end extends through the through holes 3, 4 and is on both sides with a self-locking nut 8, 9 provided an axial preload on the preferably longitudinally movable draw hooks 10 to 18 as well to apply to the intermediate pieces 19 to 24.
  • a distance d is realized in each case, which is essentially the distance d of the wave crests of that shown in FIG Corrugated wire 25 corresponds.
  • the pull hooks 12 to 16 each have two hook fingers 26, 27, which are arranged offset from one another by 180 ° and which each have a different distance from the assigned contact surface 26 ', 27' of the elongated hole 28 on the Define tension shaft 7. This leads to a different effective train length, so that by twisting the draw hooks 12 to 16 either one in depth arcuate connecting line between the traction points of the Towing hook arises or an essentially flat pulling direction preserved.
  • hooks for example in the form of a cross or other Realize hook geometries.
  • the pulling hooks 10, 18 are on the legs 5, 6 from the outside attached attached.
  • FIG. 2 is a represents another embodiment of the invention.
  • device in the form of another Pull claw 1b essentially corresponds to that from FIG. 1, but has hooks 10, 11, 12 'to 16', 17, 18, which in the essentially all of the same length and that in Fig. 6b shown type with a single hook finger 26 and one correspond only to the associated contact surface 26 '.
  • a suitable design i.e. a rough one lateral contact surface of the draw hooks and / or the Intermediate pieces and the legs 5, 6, for example at a surface hardened metal, chrome-nickel steel, one nitrided aluminum or steel alloy, can mediate the nuts 8, 9 of the tension shaft 7 have such a high mechanical lateral bias are generated that also free Geometries in the longitudinal direction can be realized and the longitudinally movable draw hook in an intermediate position of the Longitudinal displacement can be locked.
  • FIG. 3 Another one designated as 1 in FIG. 3 as a whole Embodiment of the invention includes the invention Pull claw 1b, a connecting element 35 and one preferably Actuating device designed as a lever 30.
  • the lever 30 has a handle 31 which is at one end is appropriate.
  • a foot part 33 pivoted by the lever 30 in a rotatable bearing 32 held.
  • the foot part 33 has a preferred Design a rubberized or elastic lower Contact surface 34, which is to be applied to the body in the Proximity of a damage serves.
  • FIG. 4 is the Recording 2 on the trained as a retaining bolt 35 Connecting element connected to the lever 30.
  • the lever 30 points according to FIG. 4 an elongated hole 37 on its longitudinal axis.
  • the slot 37 surrounding wall sections 30a, 30b of the lever 30 indicate their tops 38, 39 rounded, preferably equidistant attached positioning notches 40 for receiving the Holding bolt 35 on.
  • the retaining bolt 35 is the elongated hole 37 penetrating, with free ends of the rod 36 in one of the Positioning notches 40 hooked in.
  • an outer diameter of the free end 36a of the rod 36 is adapted to a radius of curvature of the positioning notch 40.
  • the holding bolt 35 is subjected to a load via the pulling hooks 13 'to 15' which exerts a force in the direction of the arrow A.
  • the suspension of the retaining bolt 35 and lever 30 is stable under such a load and allows a pivoting movement along the arrows v , w indicated in FIG. 4.
  • FIG. 5, 7a and 7b Another preferred embodiment of the present invention is shown in Figs. 5, 7a and 7b.
  • the contact surface 34 is placed on the body and the draw hooks 13 'to 15' are hooked into the corrugated wire 25 welded to the body 35.
  • the body damage can then be reshaped by pulling in the direction of arrow B.
  • the yet another embodiment of the device on one preferably designed as a threaded bolt Connecting element 42 a rimmed adjusting nut 41, which is a fine adjustment of the train distance of the device of the body surface in a very precise manner.
  • the claw 1a, 1b is approximately parallel to the Body surface running oblong hole on the side slidably held in the direction of arrows C and D, like indicated at position E in FIG. 5 for the claw 1b.
  • the further embodiment according to the invention is 7a and 7b, in which reference is made below. In doing so, this will Embodiment with the actual claw 1b illustrated, but is also according to the invention accordingly provided with the actual tension claw 1a.
  • This further embodiment of the invention 1b includes at its rear end, from its U-shaped Recording 2 shown in Fig. 7a extending upwards a threaded bolt hinged to the receptacle 2 42.
  • the threaded bolt 42 is from the adjusting nut 41st encompassed so that the aforementioned fine adjustment of the Train distance is made possible.
  • An optimal setting of the Pull claw 1b also requires avoiding tilting of the threaded bolt 42 or the adjusting nut 41 relative to Lever 30, which by a pivot bearing 43 in the middle of the Connecting leg of the recording 2 is made possible.
  • FIG Draw hooks 10 to 18 and 12 'to 16' explained. With this Hook is the lower hook part 44 around the through the Axis defined in the direction of pull relative to the upper hook part 45 twisted.
  • This twist can be for a location to be repaired be selected accordingly and has, for example, at bow or S-shaped damage, from left to right right side of the draw shaft 7 one per draw hook steadily increasing angle of rotation of up to 30 ° or can starting from a positive angle of rotation over the middle, decreasing at a twist angle of 0 ° subsequently also assume a negative angle of rotation.
  • towing hooks with assigned distances or lengths in the direction of pull as well with assigned rotation around the direction of pull provide.
  • Such pull hook sets can be standardized, and defined differences in length and / or have rotational angle differences.
  • the embodiments according to FIGS. 3 and Fig. 5 can also be combined with each other. So it is conceivable that the slot 37 of the lever 30 in a section in the positioning notches 40 with the claw 1a or 1b connected holding bolt 35 and in another Section of the elongated hole 37 of the threaded bolt 42, the with the claw 1a or 1b is connected with the help of Adjusting nut 42 is attached.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Pens And Brushes (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Wire Processing (AREA)
  • Connection Of Plates (AREA)
  • Clamps And Clips (AREA)
  • Cyclones (AREA)
  • Telephone Function (AREA)
  • Tires In General (AREA)
  • Ropes Or Cables (AREA)

Abstract

The invention relates to a device for straightening car body components and aims in particular at straightening damaged curved car body components. To this end the device has pull hooks (10-18) which are held at the level of a recess (2) and apply tensile forces to a retaining device (25) fixed to the car body component (35) to be straightened. The pull hooks can be fixed in the recess in more than one position so that specific straightening geometries can be assigned to corresponding positions of the pull hooks. By means of the tensile forces acting on the retaining device via the pull hooks the damaged curved car body component is straightened.

Description

Die Erfindung betrifft eine Vorrichtung zur Rückverformung von Karosserieteilen gemäß dem Oberbegriff des Anspruchs 1 und der JP-A-09314232.The invention relates to a device for reshaping of body parts according to the preamble of claim 1 and JP-A-09314232.

Da heutzutage bei modernen Autokarosserien vermehrt hochspezialisierte Befestigungstechniken an exakt vorgegebenen Stellen eingesetzt werden, wie beispielsweise Kleben oder Punktschweißen, und der Aufbau der Karosserie durch zusätzliche Elemente, wie Kunststoffeinsätze in den Radkästen, oder elektrische und elektronische Einrichtungen in den Türen, wie Lautsprecher, verstell- und beheizbare Außenspiegel, Fensterheber oder zugeordnete elektrische Betätigungsorgane, immer komplexer wird, steigen auch die Kosten bei einem Austausch eines beschädigten Karosserieteils. Folglich wird gerade im Bereich kleinerer Karosserieschäden vermehrt auf eine Reparatur durch Austausch der beschädigten Karosserieteile verzichtet und es kommt der Instandsetzung des beschädigten Teils immer höhere Bedeutung zu. Aber auch bei der manuellen Wiederinstandsetzung des betroffenen Teils steht der nötige Bearbeitungsaufwand im Vordergrund und entscheidet die Arbeitszeit maßgeblich den Kostenrahmen. Because nowadays increased in modern car bodies highly specialized fastening techniques to exact predetermined positions are used, such as Gluing or spot welding, and the structure of the body through additional elements, such as plastic inserts in the Wheel arches, or electrical and electronic devices in the doors, such as speakers, adjustable and heated Outside mirrors, window regulators or associated electrical Actuators are becoming more and more complex, so too Cost of replacing a damaged one Body part. As a result, the area is becoming smaller Body damage increased to a repair by replacement of the damaged body parts and there is the Repairing the damaged part is becoming increasingly important to. But also when manually repairing the affected part is the necessary processing effort in Foreground and decides the working time significantly Budget.

Um die Reparatur linienförmiger Karosserieschäden zu erleichtern ist es bekannt, Vorrichtungen zur Beseitigung von Karosserieschäden, die allgemein vereinfachend als Zugkrallen bezeichnet werden, mit mehreren Haken für das gleichzeitige Ziehen an mehreren Stellen zu verwenden. Dieses Vorgehen ist zwar vorteilhaft gegenüber der punktuellen Einzelbearbeitung, aber bisher gelang dabei nur die Rückverformung von in einer Ebene oder auf einer Geraden liegenden Schäden. Da Karosserien aber vielfältige Rundungen aufweisen, ist ein Schaden häufig, beispielsweise im Bereich der Radläufe oder der Scheinwerfer, nicht einfach nur linienförmig sondern weist eine Krümmung in der Tiefe oder in der Oberfläche auf. Derartige Schäden sind jedoch weiterhin nur mit hohem Aufwand zu reparieren.To repair linear body damage It is known to facilitate devices for the elimination of Body damage, generally simplistic as pull claws be designated with multiple hooks for the simultaneous Use drag in multiple places. This procedure is advantageous compared to selective individual processing, But so far, only one of them has been reshaped Damage lying flat or on a straight line. There Bodies but have diverse curves is one Damage often, for example in the area of the wheel arches or the headlight, not just line-shaped but has a curvature in depth or in the surface. However, such damage is still very difficult to repair.

Der Erfindung liegt folglich die Aufgabe zugrunde, die gattungsbildende Vorrichtung dahingehend zu verbessern, daß auch kompliziertere Schäden kostengünstig und zeitsparend zu beheben sind.The invention is therefore based on the object to improve the generic device in that even more complicated damage cost-effectively and time-saving are fix.

Diese Aufgabe wird durch eine Vorrichtung zur Rückverformung von Karosseriebauteilen mit den Merkmalen des Anspruchs 1 gelöst. Da bei dieser Vorrichtung die Zughaken in mehr als einer Stellung befestigbar sind und hierdurch verschiedene, der jeweiligen Stellung der Zughaken entsprechende Rückverformungsgeometrien in Zugrichtung vorgebbar sind, können auch bogenförmige Schäden sehr leicht instandgesetzt werden.This task will by a device for the reshaping of Body components with the features of claim 1 solved. Because in this device the draw hooks in more than one Position are attachable and thereby different, the corresponding position of the draw hooks Recovery geometries in the direction of pull can also be specified arc-shaped damage can be repaired very easily.

Vorteilhaft ist es dabei, daß die Aufnahme einen U-förmigen Bügel umfaßt, durch welchen sich eine lösbar befestigbare Zugwelle erstreckt, mittels welcher die Zughaken jeweils an der Aufnahme gehalten sind, denn dann können auf den Schadensfall abgestimmte Haken eingesetzt werden oder es können bei Zughaken mit mehr als einem Hakenfinger die entsprechenden passenden Hakenfinger ausgewählt und in die nötige Stellung gebracht werden.It is advantageous that the receptacle is U-shaped Includes bracket through which a releasably attachable Draw shaft extends, by means of which the draw hooks each the recording are held, because then you can on the Matched hooks are used in case of damage or it can be used for towing hooks with more than one hook finger appropriate hook fingers selected and in the necessary position be brought.

Eine sehr kompakte und stabile Bauweise der Vorrichtung ergibt sich zusammen mit deutlich vermindertem Gewicht, wenn Zughaken zwischen den Schenkel der U-förmigen Aufnahme und weitere Zughaken an der Außenseite der Schenkel der Aufnahme gehalten sind. Hierdurch wird auch die Handhabbarkeit stark verbessert und es kann wesentlich längere Zeit ermüdungsfrei gearbeitet werden.A very compact and stable construction of the device results together with significantly reduced weight if Towing hook between the legs of the U-shaped receptacle and additional pull hooks on the outside of the legs of the receptacle are held. This also makes handling easier improves and it can be fatigue-free for much longer be worked.

Sehr vorteilhaft ist es auch, wenn die Zugwelle über eine Spannvorrichtung verfügt, welche eine axiale Vorspannung erzeugt, denn dann können beispielsweise Zughaken, die längsverschieblich sind, beispielsweise durch ein Langloch in einer für die Reparatur optimalen Stellung fixiert werden.It is also very advantageous if the tension shaft has a Has clamping device, which has an axial preload generated, because then, for example, pulling hooks are longitudinally displaceable, for example through an elongated hole in an optimal position for the repair.

Mit Zughaken, die über mehr als einen Hakenfinger verfügen, wobei in verschiedenen Positionen dieser Zughaken jeweils ein Hakenfinger mit verschiedener wirksamer Länge verwendbar ist, können beispielsweise durch revolverartiges Verdrehen der Haken verschiedene Schadensgeometrien berücksichtigt werden. Bei einer besonders bevorzugten Ausführungsform verfügen die Zughaken jeweils über zwei um 180° gegeneinander versetzte Hakenfinger, so daß beispielsweise ein linienförmiger und ein bogenförmiger Schaden mit dem gleichen Werkzeug instandsetzbar ist.With towing hooks that have more than one hook finger, being in different positions each of these towing hooks Hook fingers with different effective lengths can be used, can, for example, by revolving the Check different damage geometries are taken into account. In a particularly preferred embodiment, the Towing hooks each offset by two through 180 ° Hook fingers, so that for example a line and a arch damage with the same tool is repairable.

In weiterer vorteilhafter Ausgestaltung ist die zugeordnete, an der Karosserie angebrachte Halteeinrichtung ein durch Stoßpunktschweißen angebrachter Wellendraht und weisen die Zughaken der Vorrichtung den gleichen Abstand wie die Wellenberge auf.In a further advantageous embodiment, the assigned attached to the body holding device through Butt welding applied wave wire and show the Pull the device the same distance as that Mountains of waves on.

Mit der Erfindung wird erstmalig auch die Reparatur an mehreren Stellen von einem in der Oberfläche gekrümmt verlaufenden Schaden möglich. Es kann jedoch bei kleinen Krümmungsradien des Schadens, etwa im Bereich der Frontscheinwerfer, vorkommen, daß die Hakenfinger der jeweiligen Zughaken nicht mehr in den Wellendraht eingehängt werden können, weil sich der aufgepunktete Wellendraht so stark seitlich krümmt, daß die in der Richtung des Hakenfingers verbleibende Öffnung kleiner als dessen seitliche Abmessungen wird. Von großem Vorteil ist es dann, wenn die Zughaken zwischen dem Ort der Halterung an der Aufnahme und dem Maul des Zughakens eine Verdrehung um deren Längs- oder Zugrichtung aufweisen. Hierdurch weisen auch die Hakenfinger eine seitliche Verdrehung auf, welches ein Einhaken wieder ermöglicht.With the invention, the repair is also the first time several places of one curved in the surface ongoing damage possible. However, it can occur with small Radii of curvature of the damage, for example in the area of Headlights, the hook fingers occur respective hooks are no longer hooked into the shaft wire can be because the dotted wave wire so strongly curved to the side that in the direction of the Hook finger's remaining opening is smaller than that lateral dimensions will. It is then of great advantage if the pull hook between the location of the bracket on the Pickup and the mouth of the pull hook a twist around their Have longitudinal or tensile direction. As a result, the Hook finger a lateral twist on which one Hooking again possible.

Eine bevorzugte Ausgestaltung der Vorrichtung umfaßt eine Betätigungseinrichtung und ein Verbindungselement und die Aufnahme für Zughaken sowie Zughaken. Dabei ist das Verbindungselement vorzugsweise als Haltebolzen ausgebildet und die Betätigungseinrichtung über das Verbindungselement mit der Aufnahme verbunden. Vorteilhaft ist dabei eine stabile Lagerung von Haltebolzen und Aufnahme, die einfach ohne Einsatz von Spezialwerkzeug erreicht wird. Erfindungsgemäß ist auch vorgesehen, die Aufnahme an vorgegebenen Positionen in der Betätigungseinrichtung aufzunehmen.A preferred embodiment of the device comprises a Actuator and a connector and the Holder for towing hooks and towing hooks. It is Connecting element preferably designed as a retaining bolt and the actuator via the connector associated with the recording. One is advantageous Sturdy storage of retaining bolts and receptacles that are simple is achieved without the use of special tools. According to the invention, provision is also made for the recording predetermined positions in the actuator take.

Vorteilhaft wird bei einer besonders bevorzugten Ausgestaltung der erfindungsgemäßen Vorrichtung die Aufnahme über ein bevorzugtes Verbindungselement in variablen Positionen einer Betätigungseinrichtung gehalten. Besonders vorteilhaft ist es dabei, daß die Vorrichtung einfach und schnell von einem Schaden zu einem weiteren Schaden an der Karosserie bewegt werden kann.Is particularly advantageous in a particularly preferred Design of the device according to the invention the recording via a preferred connecting element in variable Positions of an actuator held. Especially It is advantageous that the device is simple and quickly from one damage to another damage to the Body can be moved.

Die Erfindung wird nachfolgend und unter Bezugnahme auf die Zeichnungen an mehreren Ausführungsbeispielen näher beschrieben.The invention is hereinafter and with reference to the Drawings closer to several embodiments described.

Es zeigen:

Fig. 1
eine erste erfindungsgemäße Ausführungsform einer Vorrichtung in Form einer Zugkralle mit Zughaken, welche in zwei, jeweils voneinander um 180° verdrehte Stellungen bringbar sind,
Fig. 2
eine zweite Ausführungsform einer Zugkralle, welche längsverschiebliche Zughaken aufweist, die mittels der Zugwelle seitlich festlegbar sind,
Fig. 3
eine weitere erfindungsgemäße Vorrichtung mit einer Betätigungseinrichtung, einem Verbindungselement und der Zugkralle nach Fig. 2,
Fig. 4
eine Darstellung des mit X gekennzeichneten Bereichs der Fig. 3,
Fig. 5
eine Darstellung der Verwendung einer weiteren besonders bevorzugten erfindungsgemäßen Vorrichtung mit einer Betätigungseinrichtung, einem Verbindungselement und mit der Zugkralle gemäß Fig. 2,
Fig. 6a
einen ersten Zughaken mit zwei Fingerhaken mit jeweils verschiedenem Abstand zum mittigen Langloch,
Fig. 6b
einen zweiten Zughaken mit einem Fingerhaken und einem Langloch,
Fig. 6c
ein Detail des Mauls eines Zughakens,
Fig. 7a
eine weitere Ausführungsform eines mit der Zugkralle nach Fig. 2 verbundenen erfindungsgemäßen Verbindungselements,
Fig. 7b
eine Seitenansicht wesentlicher Teile der in Fig. 7a gezeigten Ausführungsform.
Show it:
Fig. 1
1 a first embodiment of a device according to the invention in the form of a pulling claw with pulling hooks which can be brought into two positions, each rotated by 180 °,
Fig. 2
A second embodiment of a tension claw which has longitudinally displaceable tension hooks which can be fixed laterally by means of the tension shaft.
Fig. 3
2 another device according to the invention with an actuating device, a connecting element and the pulling claw according to FIG. 2,
Fig. 4
3 shows a representation of the area marked with X,
Fig. 5
2 shows an illustration of the use of a further particularly preferred device according to the invention with an actuating device, a connecting element and with the pulling claw according to FIG. 2,
Fig. 6a
a first pull hook with two finger hooks, each with a different distance from the central elongated hole,
Fig. 6b
a second pull hook with a finger hook and an elongated hole,
Fig. 6c
a detail of the jaw of a pull hook,
Fig. 7a
2 shows a further embodiment of a connecting element according to the invention connected to the tension claw according to FIG. 2,
Fig. 7b
a side view of essential parts of the embodiment shown in Fig. 7a.

Bei der nachfolgenden detaillierten Beschreibung wird zunächst auf Fig. 1 Bezug genommen. Die in Fig. 1 gezeigte erfindungsgemäße Vorrichtung zur Rückverformung von Karosserieteilen umfaßt eine Zugkralle 1a mit einer im wesentlichen U-förmigen Aufnahme 2, die an dem unteren Ende von deren im wesentlichen parallelen Schenkeln 5, 6 jeweils konzentrische Durchgangsbohrungen 3, 4 aufweist.The following detailed description will initially referred to Fig. 1. The one shown in Fig. 1 Device according to the invention for the reshaping of Body parts includes a claw 1a with an im essential U-shaped receptacle 2, which at the lower end of which substantially parallel legs 5, 6 each has concentric through holes 3, 4.

Eine Zugwelle 7 mit Außengewinden an deren vorderem und hinterem Ende erstreckt sich durch die Durchgangsbohrungen 3, 4 und ist auf beiden Seiten mit einer selbstsichernden Mutter 8, 9 versehen, um eine axiale Vorspannung auf die vorzugsweise längsverschieblichen Zughaken 10 bis 18 sowie auf die Zwischenstücke 19 bis 24 aufzubringen. Durch die Zwischenstücke 19 bis 24 sowie die Breite der Schenkel 5, 6 wird jeweils ein Abstand d verwirklicht, der im wesentlichen dem Abstand d der Wellenberge des in Fig. 5 gezeigten Wellendrahtes 25 entspricht.A pull shaft 7 with external threads on the front and rear end extends through the through holes 3, 4 and is on both sides with a self-locking nut 8, 9 provided an axial preload on the preferably longitudinally movable draw hooks 10 to 18 as well to apply to the intermediate pieces 19 to 24. Through the Intermediate pieces 19 to 24 and the width of the legs 5, 6 a distance d is realized in each case, which is essentially the distance d of the wave crests of that shown in FIG Corrugated wire 25 corresponds.

Die Zughaken 12 bis 16 verfügen jeweils über zwei Hakenfinger 26, 27, die zueinander um 180° versetzt angeordnet sind und welche jeweils einen unterschiedlichen Abstand zu der zugeordneten Anlagefläche 26', 27' des Langlochs 28 an der Zugwelle 7 definieren. Hierdurch kommt es zu einer unterschiedlich effektiven Zuglänge, so daß durch Verdrehung der Zughaken 12 bis 16 entweder eine in der Tiefe bogenförmige Verbindungslinie zwischen den Zugpunkten der Zughaken entsteht oder eine im wesentlichen ebene Zugrichtung erhalten bleibt.The pull hooks 12 to 16 each have two hook fingers 26, 27, which are arranged offset from one another by 180 ° and which each have a different distance from the assigned contact surface 26 ', 27' of the elongated hole 28 on the Define tension shaft 7. This leads to a different effective train length, so that by twisting the draw hooks 12 to 16 either one in depth arcuate connecting line between the traction points of the Towing hook arises or an essentially flat pulling direction preserved.

Es liegt ferner im Rahmen der Erfindung, mehr als zwei Haken, beispielsweise in Form eines Kreuzes oder andere Hakengeometrien zu realisieren.It is also within the scope of the invention to have more than two hooks for example in the form of a cross or other Realize hook geometries.

Die Zughaken 10, 18 sind von außen an den Schenkeln 5, 6 anliegend angebracht.The pulling hooks 10, 18 are on the legs 5, 6 from the outside attached attached.

Etwa mittig innerhalb des U-förmigen Schenkels ist eine Aussparung 29 vorgesehen, in welche zugeordnete Zugvorrichtungen einbringbar sind.Approximately in the middle of the U-shaped leg is one Recess 29 provided in which associated Pulling devices can be introduced.

Nachfolgend wird auf Fig. 2 Bezug genommen, welche eine weitere erfindungsgemäße Ausführungsform darstellt. Die in Fig. 2 dargestellte Vorrichtung in Form einer weiteren Zugkralle 1b entspricht im wesentlichen derjenigen aus Fig. 1, weist jedoch Haken 10, 11, 12' bis 16', 17, 18 auf, die im wesentlichen alle gleich lang sind und dem in Fig. 6b dargestellten Typ mit einem einzigen Hakenfinger 26 und einer einzigen zugeordneten Anlagefläche 26' entsprechen.In the following, reference is made to FIG. 2, which is a represents another embodiment of the invention. In the Fig. 2 shown device in the form of another Pull claw 1b essentially corresponds to that from FIG. 1, but has hooks 10, 11, 12 'to 16', 17, 18, which in the essentially all of the same length and that in Fig. 6b shown type with a single hook finger 26 and one correspond only to the associated contact surface 26 '.

Bei geeigneter Ausgestaltung, das heißt einer rauhen seitlichen Anlagefläche der Zughaken und/oder der Zwischenstücke und der Schenkel 5, 6, beispielsweise bei einem oberflächengehärteten Metall, Chrom-Nickel-Stahl, einer nitrierten Aluminium- oder Stahllegierung, kann vermittels der Muttern 8, 9 der Zugwelle 7 eine so hohe mechanische seitliche Vorspannung erzeugt werden, daß auch freie Geometrien in Längsrichtung realisierbar sind und der längsverschiebliche Zughaken in einer Zwischenstellung der Längsverschiebung arretierbar ist.With a suitable design, i.e. a rough one lateral contact surface of the draw hooks and / or the Intermediate pieces and the legs 5, 6, for example at a surface hardened metal, chrome-nickel steel, one nitrided aluminum or steel alloy, can mediate the nuts 8, 9 of the tension shaft 7 have such a high mechanical lateral bias are generated that also free Geometries in the longitudinal direction can be realized and the longitudinally movable draw hook in an intermediate position of the Longitudinal displacement can be locked.

Anstelle der Muttern 8, 9 sind als seitliche Spannvorrichtung auch Exzenter mit einem daran befestigten Hebel denkbar, welche ähnlich dem Nabenverschluß eines Fahrrades durch Verdrehung des Exzenters eine Vorspannung auf die Zugwelle 7 ausübt.Instead of the nuts 8, 9 are as a lateral clamping device eccentric with a lever attached to it is also conceivable, which is similar to the hub lock of a bicycle Rotation of the eccentric bias on the tension shaft 7 exercises.

Nachfolgend wird auf Fig. 6c Bezug genommen, in welcher ein Detail des Mauls der Hakenfinger 26, 27 dargestellt ist, das heißt ein sich trichterförmig erweiterndes Maul, welches in eine etwa 20° geneigte Einlauffläche übergeht.6c, in which a Detail of the mouth of the hook fingers 26, 27 is shown, the is called a funnel-shaped mouth, which in an approximately 20 ° inclined inlet surface merges.

Ein anderes in Fig. 3 im ganzen mit 1 bezeichnetes Ausführungsbeispiel der Erfindung umfaßt die erfindungsgemäße Zugkralle 1b, ein Verbindungselement 35 und eine vorzugsweise als Hebel ausgebildete Betätigungseinrichtung 30. Der Hebel 30 verfügt über einen Handgriff 31, der an seinem einen Ende angebracht ist. An seinem anderen Ende wird ein Fußteil 33 von dem Hebel 30 in einem drehbaren Lager 32 schwenkbar gehalten. Das Fußteil 33 weist in einer bevorzugten Ausgestaltung eine gummierte oder elastische untere Anlagefläche 34 auf, die zur Anlage an der Karosserie in der Nähe eines Schadens dient. Nach Fig. 3 und Fig. 4 ist die Aufnahme 2 über das als Haltebolzen 35 ausgebildete Verbindungselement mit dem Hebel 30 verbunden. Der vorzugsweise als Flacheisen ausgebildete Haltebolzen 35 wird an einem der Aufnahme 2 abgewandten Endabschnitt von einem Stab 36 durchsetzt. Der Hebel 30 weist nach Fig. 4 entlang seiner Längsachse ein Langloch 37 auf. Das Langloch 37 umgebende Wandabschnitte 30a, 30b des Hebels 30 weisen an ihren Oberseiten 38, 39 abgerundete, vorzugsweise äquidistant angebrachte Positionierungskerben 40 zur Aufnahme des Haltebolzens 35 auf. Der Haltebolzen 35 ist, das Langloch 37 durchsetzend, mit freien Enden des Stabes 36 in eine der Positionierungskerben 40 eingehängt.Another one designated as 1 in FIG. 3 as a whole Embodiment of the invention includes the invention Pull claw 1b, a connecting element 35 and one preferably Actuating device designed as a lever 30. The lever 30 has a handle 31 which is at one end is appropriate. At its other end, a foot part 33 pivoted by the lever 30 in a rotatable bearing 32 held. The foot part 33 has a preferred Design a rubberized or elastic lower Contact surface 34, which is to be applied to the body in the Proximity of a damage serves. 3 and FIG. 4 is the Recording 2 on the trained as a retaining bolt 35 Connecting element connected to the lever 30. The preferably designed as flat iron retaining bolt 35 at an end section facing away from the receptacle 2 Pen 36 penetrates. The lever 30 points according to FIG. 4 an elongated hole 37 on its longitudinal axis. The slot 37 surrounding wall sections 30a, 30b of the lever 30 indicate their tops 38, 39 rounded, preferably equidistant attached positioning notches 40 for receiving the Holding bolt 35 on. The retaining bolt 35 is the elongated hole 37 penetrating, with free ends of the rod 36 in one of the Positioning notches 40 hooked in.

Erfindungsgemäß ist dabei nach Fig. 4 ein Außendurchmesser des freien Endes 36a des Stabes 36 einem Krümmungsradius der Positionierungskerbe 40 angepaßt. Erfindungsgemäß wird der Haltebolzen 35 über die Zughaken 13' bis 15' mit einer Last beaufschlagt, die eine Kraft in Richtung des Pfeils A ausübt. Die Aufhängung von Haltebolzen 35 und Hebel 30 ist unter einer solchen Last stabil und erlaubt eine Schwenkbewegung entlang der in Fig. 4 angedeuteten Pfeile v, w.4, an outer diameter of the free end 36a of the rod 36 is adapted to a radius of curvature of the positioning notch 40. According to the invention, the holding bolt 35 is subjected to a load via the pulling hooks 13 'to 15' which exerts a force in the direction of the arrow A. The suspension of the retaining bolt 35 and lever 30 is stable under such a load and allows a pivoting movement along the arrows v , w indicated in FIG. 4.

Ein weiteres bevorzugtes Ausführungsbeispiel der vorliegenden Erfindung ist in Fig. 5, 7a und 7b dargestellt. Bei der Verwendung der entsprechenden Ausführungsform wird die Anlagefläche 34 an der Karosserie angelegt und die Zughaken 13' bis 15' in den an der Karosserie 35 angeschweißten Wellendraht 25 eingehängt. Durch Ziehen in Richtung des Pfeils B kann danach der Karosserieschaden rückverformt werden.Another preferred embodiment of the present invention is shown in Figs. 5, 7a and 7b. When using the corresponding embodiment, the contact surface 34 is placed on the body and the draw hooks 13 'to 15' are hooked into the corrugated wire 25 welded to the body 35. The body damage can then be reshaped by pulling in the direction of arrow B.

Für eine exakte Einstellung der Zugabstands weist die nochmals weitere Ausführungsform der Vorrichtung an einem vorzugsweise als Gewindebolzen ausgebildeten Verbindungselement 42 eine randrierte Einstellmutter 41 auf, die eine Feineinstellung des Zugabstands der Vorrichtung von der Karosserieoberfläche auf sehr exakte Weise gestattet. Ferner ist die Zugkralle 1a, 1b in dem in etwa parallel zur Karosserieoberfläche verlaufenden Langloch seitlich verschieblich in Richtung der Pfeile C und D gehalten, wie bei Position E in Fig. 5 für die Zugkralle 1b angedeutet.For an exact adjustment of the train distance, the yet another embodiment of the device on one preferably designed as a threaded bolt Connecting element 42 a rimmed adjusting nut 41, which is a fine adjustment of the train distance of the device of the body surface in a very precise manner. Furthermore, the claw 1a, 1b is approximately parallel to the Body surface running oblong hole on the side slidably held in the direction of arrows C and D, like indicated at position E in FIG. 5 for the claw 1b.

Die weitere erfindungsgemäße Ausführungsform ist detaillierter den Fig. 7a und 7b zu entnehmen, auf welche nachfolgend Bezug genommen wird. Dabei wird diese Ausführungsform mit der eigentlichen Zugkralle 1b veranschaulicht, ist aber erfindungsgemäß entsprechend auch mit der eigentlichen Zugkralle 1a vorgesehen.The further embodiment according to the invention is 7a and 7b, in which reference is made below. In doing so, this will Embodiment with the actual claw 1b illustrated, but is also according to the invention accordingly provided with the actual tension claw 1a.

Diese weitere erfindungsgemäße Ausführungsform der Erfindung 1b umfaßt an deren hinteren Ende, von deren U-förmiger Aufnahme 2 in der Fig. 7a nach oben verlaufend dargestellt einen an der Aufnahme 2 gelenkig befestigten Gewindebolzen 42. Der Gewindebolzen 42 wird von der Einstellmutter 41 umgriffen, so daß die vorstehend erwähnte Feinverstellung des Zugabstands ermöglicht wird. Eine optimale Einstellung der Zugkralle 1b erfordert auch die Vermeidung eines Verkippens des Gewindebolzens 42 bzw. der Einstellmutter 41 relativ zum Hebel 30, welcher durch ein Schwenklager 43 in der Mitte des Verbindungsschenkels der Aufnahme 2 ermöglicht wird.This further embodiment of the invention 1b includes at its rear end, from its U-shaped Recording 2 shown in Fig. 7a extending upwards a threaded bolt hinged to the receptacle 2 42. The threaded bolt 42 is from the adjusting nut 41st encompassed so that the aforementioned fine adjustment of the Train distance is made possible. An optimal setting of the Pull claw 1b also requires avoiding tilting of the threaded bolt 42 or the adjusting nut 41 relative to Lever 30, which by a pivot bearing 43 in the middle of the Connecting leg of the recording 2 is made possible.

Anhand von Fig. 6b wird eine weitere Ausführungsform der Zughaken 10 bis 18 sowie 12' bis 16' erläutert. Bei diesem Haken ist der untere Hakenteil 44 um die durch die Zugrichtung definierte Achse relativ zum oberen Hakenteil 45 verdreht.Another embodiment of FIG Draw hooks 10 to 18 and 12 'to 16' explained. With this Hook is the lower hook part 44 around the through the Axis defined in the direction of pull relative to the upper hook part 45 twisted.

Diese Verdrehung kann für eine zu reparierende Stelle entsprechend ausgewählt werden und hat, beispielsweise bei bogen- oder S-förmigen Schäden, von der linken bis zur rechten Seite der Zugwelle 7 einen pro Zughaken stetig zunehmenden Drehwinkel von durchaus bis zu 30° oder kann ausgehend von einem positiven Drehwinkel über den mittleren, bei einem Verdrehwinkel von 0° liegenden Zughaken abnehmend nachfolgend auch einen negativen Drehwinkel annehmen.This twist can be for a location to be repaired be selected accordingly and has, for example, at bow or S-shaped damage, from left to right right side of the draw shaft 7 one per draw hook steadily increasing angle of rotation of up to 30 ° or can starting from a positive angle of rotation over the middle, decreasing at a twist angle of 0 ° subsequently also assume a negative angle of rotation.

Die Erfindung ist nicht auf die beschriebenen Ausführungsbeispiele beschränkt, die in vielfacher Weise abgewandelt werden können.The invention is not based on those described Embodiments limited in many ways can be modified.

Obwohl die Erfindung lediglich anhand von aus Wellendrähten bestehenden Karosserie-Halteeinrichtungen beschrieben wurde, ist diese nicht darauf beschränkt. Auch andere ösen- oder hakenartige Halteeinrichtungen aus unterschiedlichen Materialien in Draht- oder Bandform sind im Rahmen der Erfindung inbegriffen.Although the invention is based solely on corrugated wire existing body-holding devices has been described, it is not limited to this. Other eyelets or hook-like holding devices from different Materials in wire or ribbon form are included in the Invention included.

Ferner liegt es im Rahmen der Erfindung Sätze von Zughaken mit zugeordneten Abständen oder Längen in Zugrichtung sowie mit zugeordneter Verdrehung um die Zugrichtung bereitzustellen. Derartige Zughakensätze können standardisiert sein, und definierte Längenunterschiede und/oder Drehwinkelunterschiede aufweisen.Furthermore, it is within the scope of the invention sets of towing hooks with assigned distances or lengths in the direction of pull as well with assigned rotation around the direction of pull provide. Such pull hook sets can be standardized, and defined differences in length and / or have rotational angle differences.

Erfindungsgemäß können die Ausführungsformen nach Fig. 3 und Fig. 5 auch miteinander kombiniert werden. So ist es denkbar, daß das Langloch 37 des Hebels 30 in einem Teilabschnitt in den Positionierungskerben 40 den mit der Zugkralle 1a oder 1b verbundenen Haltebolzen 35 aufnimmt und in einem weiteren Teilabschnitt des Langlochs 37 der Gewindebolzen 42, der mit der Zugkralle 1a oder 1b verbunden ist, mit Hilfe der Einstellmutter 42 befestigt wird.According to the invention, the embodiments according to FIGS. 3 and Fig. 5 can also be combined with each other. So it is conceivable that the slot 37 of the lever 30 in a section in the positioning notches 40 with the claw 1a or 1b connected holding bolt 35 and in another Section of the elongated hole 37 of the threaded bolt 42, the with the claw 1a or 1b is connected with the help of Adjusting nut 42 is attached.

Schließlich und endlich versteht sich, daß die einzelnen Merkmale der Erfindung auch in anderen als den dargestellten und beschriebenen Kombinationen verwendet werden können.Finally, it goes without saying that the individual Features of the invention also in other than those shown and combinations described can be used.

Claims (16)

  1. Device for straightening car body components having
    a retainer (2) for draw hooks (10-18), and
    draw hooks (10-18)each of which is held on the retainer and by each of which a pulling force may be applied to an associated holding means (25) mounted to particularly point-welded to the car body component to be straightened,
    characterized in that the draw hooks (10-18) may be mounted to the retainer (2) in more than one position, whereby straightening geometries may be preset corresponding to the respective position of the draw hooks.
  2. Device according to claim 1 characterized in that the retainer (2) includes an U-shaped hoop through which a pulling shaft (7) extends removably and mountably by which each draw hook (10-18) is held at the retainer.
  3. Device according to claim 2 characterized in that draw hooks (11-17) are held between the legs (5, 6) of the U-shaped retainer and further draw hooks (10, 18) are held on the outer side of the legs of the retainer.
  4. Device acccording to claim 2 or 3 characterized in that the pulling shaft includes a clamping device (8, 9) for producing axial bias.
  5. Device according any one of the preceeding claims characterized in that the draw hooks have deviating lengths in pulling direction.
  6. Device according to any one of the preceeding claims characterized in that the draw hooks include more than one hook fingers (26, 27), and that a hook finger of each of such draw hooks in different positions thereof may be used in differently effective lengths.
  7. Device according to claim 6 characterized in that the draw hooks include two hook fingers offset in respect to each other for 180°.
  8. Device according to claim 6 or 7, characterized in that the one or the plurality of hook fingers arranged centrally relative to the retainer comprises a first length, and that the hook fingers following towards the outer sight of the retainer each comprise an increasing effective length particularly corresponding to an arc.
  9. Device according to any one of the preceeding claims characterized in that the draw hooks are spaced with respect to each other each by a spacer (19-24) or a leg (5, 6) of the retainer (2) and are formed to be adapted to be displaceable lengthwise in pulling direction, wherein the draw hooks may be locked in various positions with respect to the length displacement thereof by the clamping device.
  10. Device according to any one of the preceeding claims characterized in that the draw hooks comprise a twist about the length directions or pulling direction thereof between the holding means at the retainer and the mouth of the draw hook.
  11. Device according to claim 10, characterized in that the twists of the draw hooks about the length direction thereof deviate from each other along the pulling shaft and increase from the first end of the pulling shaft to the second end of the pulling shaft in a rotating direction.
  12. Device according to any one of the preceeding claims characterized in that the associated holding means (25) mounted to the car body is formed by an ondulated wire mounted by spot welding.
  13. Device according to one of the preceeding claims characterized in that it comprises an activating means (30) and a connecting element (35), wherein the activating means may be arranged upon a car body component and receives the retainer through the connecting element.
  14. Device according to claim 13 characterized in that the activating means (30) may be arranged upon the car body component rotatably and pivotably with respect to the car body component.
  15. Device according to claim 13 or 14 characterized in that the activating means (30) receives the retainer (2) through the connecting element (15) in predetermined positions.
  16. Device according to claim 13 or 14, characterized in that the activating means (30) receives the retainer through a connecting element in variable positions.
EP99955688A 1998-09-15 1999-09-15 Device for straightening car body components Expired - Lifetime EP1113889B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29816528U DE29816528U1 (en) 1998-09-15 1998-09-15 Device for reshaping body parts
DE29816528U 1998-09-15
PCT/DE1999/002908 WO2000015365A1 (en) 1998-09-15 1999-09-15 Device for straightening car body components

Publications (2)

Publication Number Publication Date
EP1113889A1 EP1113889A1 (en) 2001-07-11
EP1113889B1 true EP1113889B1 (en) 2003-05-02

Family

ID=8062661

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99955688A Expired - Lifetime EP1113889B1 (en) 1998-09-15 1999-09-15 Device for straightening car body components

Country Status (7)

Country Link
EP (1) EP1113889B1 (en)
AT (1) ATE238856T1 (en)
DE (2) DE29816528U1 (en)
DK (1) DK1113889T3 (en)
ES (1) ES2194523T3 (en)
PT (1) PT1113889E (en)
WO (1) WO2000015365A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10008503A1 (en) * 2000-02-24 2001-08-30 Adolf Wuerth Gmbh & Co Kg Device to remove dents from metal panels has grip with moveable traction elements, with hook at one end and stop at other element end, and adjustable initial position
DE20015367U1 (en) 2000-09-05 2000-12-21 Gmelin, Hermann, 78665 Frittlingen Tool for drawing deformed sheet metal parts, in particular a motor vehicle body

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09314232A (en) * 1996-05-29 1997-12-09 Dengen Kk Puller device for sheet metal
JP3915079B2 (en) * 1997-07-16 2007-05-16 デンゲン株式会社 Sheet metal pull plate

Also Published As

Publication number Publication date
DK1113889T3 (en) 2003-08-25
EP1113889A1 (en) 2001-07-11
WO2000015365A1 (en) 2000-03-23
ATE238856T1 (en) 2003-05-15
DE59905349D1 (en) 2003-06-05
ES2194523T3 (en) 2003-11-16
PT1113889E (en) 2003-09-30
DE29816528U1 (en) 2000-03-02

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