Lifting-rotating device for picking up a motor vehicle

Details Lifting-rotating device for picking up a motor vehicle Lifting-rotating device for picking up a motor vehicle

1997-08-21

1998-11-10

Noland, Keneth

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

414428, B66F 706

Patent

active

058330305

DESCRIPTION:

BRIEF SUMMARY
CROSS REFERENCE TO RELATED APPLICATIONS

This application is a national stage of PCT/DE95/01404 filed 12 Oct., 1995 and based, in turn, upon German application P 44 36 715.5 filed 14 Oct., 1994 under the International Convention.


FIELD OF THE INVENTION

The invention relates to a lifting-rotating device for picking up a motor vehicle, particularly a passenger car.


BACKGROUND OF THE INVENTION

For environmental reasons, and also for the purpose of recycling as many scrap car parts as possible, it is necessary to disassemble the vehicles as much as possible and to separate the recyclable parts, making them available to the respective further processing opportunities.
This is different from the assembly of new vehicles, which either hanging from a transfer line or standing on a palette, can be moved from one work station to the next without endangering the working personnel. There are limits in the automation of dismantling old cars, since underneath the cars to be dismantled there are also parts which have been deformed by accidents or have become heavily corroded due to old age, so that automated dismantling is no longer possible. Particularly falling dirt or rust makes overhead dismantling difficult. In order to facilitate the dismantling process, it is desirable to provide lifting devices which not only lift the vehicle, but are also capable of rotating it while it is stopped, so that the bottom areas become laterally accessible.


OBJECT OF THE INVENTION

It is the object of the invention to create a lifting-rotating device of the aforementioned kind, which has a simple and robust construction and is easy to operate.


SUMMARY OF THE INVENTION

The apparatus of the invention has a parallelogram-shaped extension arm articulated on a column or frame which is pivotable about a horizontal and to whose free end a jib head is linked so that it maintains its set angular position while the parallelogram-shaped extension arm performs its pivoting motions about the horizontal. A clamping device is linked to the free end of the jib head, so that it can rotate horizontally with respect to the jib head. The advantage of the lifting-rotating device of the invention resides in the fact that, during the pivoting motions of the parallelogram-shaped extension arm, the motor vehicle secured at the clamping device maintains its angle of inclination in transverse direction to the longitudinal axis. The motor vehicle is pivotable about a horizontal axis of rotation by an angle of minimum 90.degree., depending on the position of the clamping device with respect to the jib head. The pivoting angle is limited only by the parallelogram-shaped extension arm on one side and by the jib head on the other side. Preferably the angle of rotation equals 105.degree..
According to a further embodiment of the invention, the parallelogram-shaped extension arm is pivotable by means of a lifting cylinder, whereby in the case of a single-lever extension arm the lifting cylinder engages on the same side where the jib head, the extension arm, the clamping device and the vehicle are located, or in the case of a two-lever parallelogram-shaped extension arm, the lifting cylinder engages on the corresponding opposite side.
In any case the parallelogram connecting rod has a point of rotation arranged on the column or frame with a horizontally set axis of rotation.
Preferably the lifting cylinder is linked with its first end to the column or frame--approximately in the base area and with its other end to the parallelogram-shaped extension arm outside the pivoting axis, preferably on the side facing away from the jib head. On this side, in order to support the pivoting motion under suspended load at the load arm, additional weights or receiving devices for corresponding counterweights (at the force arm) can be provided.
According to a further embodiment of the invention, the parallelogram connecting rod can also be fastened to the column or the frame so that it can be vertically lifted and lowered, i.e. the link point about which the rotation is per

REFERENCES:
patent: 2792139 (1957-05-01), Conner
patent: 4475462 (1984-10-01), Kabler et al.

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