Device for removing the winding of a linear motor

• US 5,097,591 A
• Filed: 07/19/1991
• Issued: 03/24/1992
• Est. Priority Date: 09/25/1990
• Status: Expired due to Fees

• Current Assignee: Thyssen Industrie AG (Thyssenkrupp AG)
• Original Assignee: Kabelmetal Electro Gesellschaft Mit Beschrankter Haftung
• Inventors: Breitenbach, Otto, Wcislo, Manfred
• Primary Examiner(s): Hall, Carl E.
• Application Number:
  US07/732,825
• Time in Patent Office: 249 Days
• Field of Search: 29/596, 29/598, 29/762, 29/732, 29/736, 29/281.6, 29/824, 310/42, 310/12, 310/13, 310/27
• US Class Current: 29/762
• CPC Class Codes: H02K 15/0006 Disassembling, repairing or modifying dynamo-electric machines repairing of cooling fluid boxes H02K15/0093
• CPC Class Codes: H02K 2203/15 Machines characterised by cable windings, e.g. high-voltage cables, ribbon cables
• CPC Class Codes: H02K 41/02 Linear motors; Sectional motors
• CPC Class Codes: Y10S 174/22 Winding per se
• CPC Class Codes: Y10T 29/49009 Dynamoelectric machine
• CPC Class Codes: Y10T 29/53161 including deforming means
• CPC Class Codes: Y10T 29/53274 Means to disassemble electrical device
• CPC Class Codes: Y10T 29/53548 and work carrying vehicle
• CPC Class Codes: Y10T 29/53983 Work-supported apparatus

Abstract

A device for removing a winding of an electric linear motor which winding is arranged in downwardly open grooves of a bundle of laminations fastened to a support. The individual strands of the winding are held fast in the grooves on holders. The holders have feet with webs which extend out of the grooves, the feet engaging in mounted position in undercuts in the grooves. The device includes at least one removal device arranged on a vehicle which is moveable on the support, the device having at least one pressing tool and at least one pulling tool coupled with it. The pressing tool has two bevels extending in V-shape to each other which are intended to come against the webs of the feet, by which bevels, upon the downward movement of the removal device, every two webs present on opposite sides of the holder are pressed towards each other. The pulling tool includes of two hooks which hook resiliently on both ends of the holder in the final position of the pressing tool in which the feet of the holder are free of the undercuts of the grooves. Thereby, the holder is fixed on the removal device and upon the downward movement thereof is pulled out of the groove together with the corresponding strand of the winding.

Claims

1. A system for removing the winding of a linear electric motor having a bundle of laminations which is fastened to a support, the winding being arranged in downwardly open grooves in the bundle of laminations, wherein

individual strands of the winding are held fast in the grooves by holders which extend over the entire length of the grooves;

the holders have, at least on both ends, on sides opposite each other, resilient feet having webs which in mounted position protrude from the grooves;

there are undercuts in the grooves, and the feet are engaged, in mounted position, in the undercuts in the grooves;

the system comprising

a vehicle which is moveable on said support; and

at least one removal device located on said vehicle, said at least one removal device having at least one pressing tool and at least one pulling tool coupled to the pressing tool, said at least one removal device being located in working position directly below the bundle of laminations and being moveable up and down perpendicular to a horizontal direction of movement of the vehicle;

wherein the pressing tool has two bevels extending in V-shape relative to each other to contact all the webs of said holder;

upon an upward movement of the removal device, two of the webs present on opposite sides of the holder are pressed towards each other by the bevels;

said pulling tool comprises two hooks;

in an end position of the pressing tool, the feet of the holder are set free of the undercuts of the grooves by the pressing tool, and the two hooks of the pulling tool engage with spring action on an end of the holder to secure the holder to the removal device; and

upon a downward movement of the removal device, the pulling tool pulls the holder out of the groove together with a corresponding strand of the winding.

2. A system according to claim 1, further comprising

two rotatable wheels connected to said vehicle, and

wherein several of said removal devices are arranged, at a distance apart from each other equal to a spacing between successive ones of said grooves, between the two rotatable wheels.

3. A system according to claim 2, wherein

two of said pressing tools and two of said pulling tools are arranged in each of said withdrawal devices, and are spaced apart with a spacing equal to a spacing between two successive ones of said grooves.

4. A system according to claim 1, wherein

two of said pressing tools and two of said pulling tools are arranged in each of said withdrawal devices, and are spaced apart with a spacing equal to a spacing between two successive ones of said grooves.

5. A system according to claim 2, further comprising

projections disposed on said wheels to provide for an automatic unlocking of the hooks.