CN218747519U

CN218747519U - Bearing dismounting device is repaired to generator

Info

Publication number: CN218747519U
Application number: CN202122561173.9U
Authority: CN
Inventors: 石新平; 刘会强; 岳永春; 高亮亮
Original assignee: Avic Tianshui Aviation Industry Co ltd
Current assignee: Avic Tianshui Aviation Industry Co ltd
Priority date: 2021-10-24
Filing date: 2021-10-24
Publication date: 2023-03-28
Anticipated expiration: 2031-10-24

Abstract

The utility model provides a bearing dismounting device is repaired to generator adopts handle clockwise rotation, hob and pulling claw, bearing relative motion, and the hob descends when clockwise rotation handle, pulls out the claw height and rises, drives the bearing and upwards removes under the effect of power, makes the bearing break away from the axle of generator at last, has realized the dismantlement of bearing, has solved the difficult problem of bearing dismantlement, and the generator can not receive the damage, reduces repairment working strength, improves production efficiency, has satisfied the production needs.

Description

Bearing dismounting device is repaired to generator

Technical Field

The utility model belongs to the generator is repaired the bearing and is dismantled the field, in particular to bearing dismounting device is repaired to generator.

Background

The traditional generator repairs the bearing and dismantles and use three-jaw or other two jaws, but can't fix the product when dismantling, must have appurtenance just can dismantle, and is comparatively time-consuming, hard, and certain model generator is more special than other generators, and when repairing the bearing and dismantling, the repairmen still needs someone to help, just can dismantle the bearing, and this kind of method repairs the generator and dismantles the bearing and can cause the damage to generator shaft and other parts sometimes.

Disclosure of Invention

The utility model provides a technical problem be: solve certain model generator and repair bearing and dismantle difficult problem, protect the generator dismantlement process not receive the damage, the utility model discloses a handle clockwise rotation, hob and pulling claw, bearing relative motion, the hob descends when clockwise rotation handle, and the pulling claw highly rises, drives the bearing and upwards removes under the effect of power, makes the bearing break away from the axle of generator at last, has realized the dismantlement of bearing, has solved the difficult problem of bearing dismantlement, and the generator can not receive the damage, reduces repairment worker working strength, improves production efficiency, has satisfied the production needs.

The utility model discloses technical scheme is: a bearing dismounting device for repairing a generator comprises a fixing component, a pusher dog, a top pad, a screw rod and a handle;

the fixing component is used for fixing the generator, wherein the end of the generator without a bearing faces the bottom of the fixing component, and the end with the bearing faces the upper part of the fixing component;

a cross beam frame is arranged above the fixing component, and a nut is arranged at the center of the cross beam frame;

one end of the top pad is provided with a blind hole, and a thread is arranged in the blind hole; one end without the blind hole is arranged on the upper end surface of the central shaft of the generator;

one end of the screw rod is fixedly connected with the handle, the other end of the screw rod penetrates through the cross beam frame and is in threaded fit with the blind hole of the top pad, and the rod body of the screw rod is in threaded fit with a nut at the center of the cross beam frame;

the number of the shifting claws is at least two, one end of each shifting claw is fixed on the cross beam frame, and the other end of each shifting claw hooks the bearing in a claw shape;

the spiral rod rotates relative to the cross beam frame and moves along the axial direction by rotating the handle, so that the central shaft of the generator is driven to move downwards and is separated from the bearing on the central shaft.

The utility model discloses further technical scheme is: the fixing assembly comprises a base, a bracket, a cross beam frame and a clamp; the two supports are symmetrically arranged on two sides of the base, two ends of each support are fixedly connected with the base and the cross beam frame respectively, and the clamp is fixed in the middle of the support through a disc bolt and used for fixing and clamping the generator.

The utility model discloses further technical scheme is: the base is characterized in that a bottom pad provided with a central through hole is arranged at the center of the base, and mounting holes for mounting the support are formed in two ends of the base.

The utility model discloses further technical scheme is: one end of the support is fixedly connected with the mounting hole in the base, and the other end of the support is fixedly connected with the cross beam frame.

The utility model discloses further technical scheme is: the two clamping hoops are arc-shaped, are oppositely placed to clamp the outer wall of the generator together, and are mutually attached to the outer wall of the generator; two ends of the two hoops are fixedly connected through a disc-shaped bolt.

The utility model discloses further technical scheme is: the center of the cross beam frame is provided with a square hole, and the square nut is positioned in the square hole.

The utility model discloses further technical scheme is: the top pad, the screw rod, the generator and the bottom pad are coaxially arranged.

Effects of the invention

The technical effects of the utility model lie in: the utility model discloses with base, two supports, the crossbeam frame, two pulling claws, square nut, top pad, the hob, the handle, the clamp is two, butterfly bolt is two, the heelpiece, hexagon nut is two, the packing ring is two, with the simple device that these parts set is in the same place, alleviateed repairmen worker intensity of labour when repairing the generator and changing the bearing, improved production efficiency, the cost is reduced, the win-win effect of work efficiency and reduce cost expense has been realized, device easy operation, safety, reliability, high durability and convenient use, do not receive the external condition restriction.

Drawings

FIG. 1 is an isometric view of the apparatus

FIG. 2 is a schematic view of a base

FIG. 3 is a schematic view of a stent

FIG. 4 is a cross-beam diagram

FIG. 5 is a schematic view of the claw

FIG. 6 is a schematic view of a square nut

FIG. 7 is a schematic view of the top pad

FIG. 8 is a schematic view of a screw

FIG. 9 is a schematic view of a handle

FIG. 10 is a schematic view of a gasket

FIG. 11 is a schematic view of a hexagonal nut

FIG. 12 is a schematic diagram of a generator

FIG. 13 is a schematic view of a clamp

FIG. 14 is a view of a wing bolt

Description of the reference numerals: 1-base, 2-support, 3-cross beam frame, 4-pulling claw, 5-square screw, 6-top pad, 7-screw rod, 8-bearing, 9-handle, 10-generator, 11-clamp, 12-butterfly bolt, 13-bottom pad, 14-hexagon nut, 15-washer

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Referring to fig. 1-14, the innovation point of the present invention is: (1) The claws at the lower ends of the two pulling claws 4 are attached to the lower surface of the bearing, the two claws are symmetrical and parallel to the central line of the bearing, and the stress is uniform when the bearing is pulled out; (2) The cross beam frame 3 is embedded with a square nut 5, so that the square nut 5 and the screw rod 7 are damaged, and the processing is simple and the replacement is convenient; (3) The hoop 11 is screwed and fixed by the butterfly bolt 12, so that the generator 10 cannot topple; (4) The clamp, the shaft of the generator and the axial lead of the screw rod are on the same straight line, and the stress is uniform when the bearing is pulled out; (5) The operation is simple and convenient, and the generator and the bearing cannot be damaged during use.

The technical scheme of the utility model is that: the device comprises a base 1, two supports 2, a cross beam frame 3, two pulling claws 4, a square nut 5, a top pad 6, a screw rod 7, a handle 9, two hoops 11, two butterfly bolts 12, a bottom pad 13, two hexagon nuts 14 and two washers 15, and is formed by combining the parts, wherein a small shaft of the bottom pad 13 is matched with a central hole of the base 1, the two pulling claws 4 are arranged at two ends of the cross beam frame 3, the two supports 2 are arranged at two ends of the cross beam frame 3, the lower end thread ends of the two supports 2 are matched with holes at the left end and the right end of the base 1, the hexagon nuts 14 are screwed and fixed, when the bearing of the generator is pulled out, one end without a bearing of the generator 10 is arranged on the bottom pad 13 of the base 1, the other end of the generator 10 faces upwards, the lower ends of the two pulling claws 4 are sleeved below the bearing 8, the top pad 6 (a threaded hole) is arranged on the upper end face of the generator 10, the square nut 5 which faces upwards is arranged in the square hole of the cross beam frame 3, the two holes are aligned, the screw rod 7 is screwed into the square nut 5, the top pad 6 is screwed into the screw rod 7, and the bearing can rotate and the bearing can be pulled out clockwise, and the bearing can be pulled out, and the bearing can be used for rotating.

In the base of FIG. 3, a No. 45 plate is adopted to cut and process the shape by water, and a middle hole and two end step holes are milled by a plurality of milling machines; FIG. 4 is a bracket 2 which is a welded part, the rectangular shape and the inner rectangular hole of the upper end of the bracket are made of No. 45 steel plates which are processed by linear cutting, and the No. 45 steel plates of the lower end rod are processed by lathing and then welded; FIG. 5 is a cross beam frame made of No. 45 steel plate, and the shape, inner square holes and round holes are made by milling; FIG. 6, the pulling claw is made of No. 45 steel plate, and the shape of the pulling claw is processed by a miller and is formed by linear cutting of an inner rectangular hole; FIG. 7 is a square nut 5 made of No. 45 steel bar, and is turned to machine threads and milled to square; FIG. 8 is a top pad made of 45 # bar stock by lathing; FIG. 9 shows a screw rod made of No. 45 steel bar, the outer circle and the thread of which are machined by a lathe and the hole of which is machined by a milling machine; FIG. 10 the handle is made of 45 gauge steel; FIG. 11 is a 20 # sheet material of washer material, which is punched by a bench worker; the hexagon nut in FIG. 12 is made of 45 # steel by turning; FIG. 13 is a schematic diagram of the product generator profile with internal components not shown; FIG. 14 shows a clamp made of No. 45 hardened and tempered steel plate, which is cut and machined by wire cutting, and then tapped by a screw hole pliers; the butterfly bolt is made of 45 steel bar stock, and the screw is machined by lathing and the butterfly milling.

During the use, generator 10 does not have bearing one end and installs on the heelpiece 13 of base 1, the other end of generator 10 up, the pot head is below bearing 8 under two claw 4, generator 10 upper end axial plane is placed the top pad 6 (the screw hole is up), square nut 5 inlays into 3 square holes of crossbeam frame, two holes are adjusted well, handle 9 injects in the hob 7 hole, hob 7 twists square nut 5 and then screws into top pad 6 screw hole, clockwise

turning handle

9, 7 lower ends of hob are supporting top pad [6] and bearing 8 and are relative motion, the bearing can be extracted.

The utility model discloses the device, two pull out laminating below 4 lower extreme claws of claw and the bearing, two claw symmetries and parallel with the bearing center line, square nut 5 is inlayed to crossbeam frame 3, when the purpose is square nut 5 and hob 7 and damages,

square nut

5 and 7 simple changes of hob processing are convenient, clamp 11 is screwed up fixedly with butterfly bolt 12, generator 10 can not empty, the clamp, the axle of generator, the hob axial lead is on a straight line, the atress is even when pulling out the bearing, moreover, the steam generator is simple in operation, and is convenient, safety, can not cause the damage to generator and bearing during the use.

Claims

1. The generator repairing bearing dismounting device is characterized by comprising a fixing component, a shifting claw (4), a top pad (6), a screw rod (7) and a handle (9);

a cross beam frame (3) is arranged above the fixing component, and a nut is arranged at the center of the cross beam frame (3);

one end of the top pad (6) is provided with a blind hole, and a thread is arranged in the blind hole; one end without the blind hole is arranged on the upper end surface of the central shaft of the generator;

one end of the screw rod (7) is fixedly connected with the handle (9), the other end of the screw rod penetrates through the cross beam frame (3) and is in threaded fit with the blind hole of the top pad (6), and the rod body of the screw rod (7) is in threaded fit with the nut at the center of the cross beam frame (3);

at least two pusher dogs (4) are arranged, one end of each pusher dog is fixed on the cross beam frame (3), and the other end of each pusher dog hooks the bearing in a claw shape;

the screw rod (7) rotates relative to the cross beam frame (3) and moves along the axial direction by rotating the handle (9), so that the central shaft of the generator is driven to move downwards to be separated from the bearing on the central shaft.

2. A generator repair bearing disassembly apparatus as claimed in claim 1, wherein said fixing assembly comprises a base (1), a bracket (2), a cross-beam (3) and a clamp (11); the two supports (2) are symmetrically arranged on two sides of the base (1), two ends of each support (2) are fixedly connected with the base (1) and the cross beam frame (3) respectively, and the clamp (11) is fixed in the middle of each support (2) through a disc-shaped bolt and used for fixing and clamping the generator.

3. The bearing dismounting device for repairing the generator as claimed in claim 2, wherein the base (1) is provided with a bottom pad with a central through hole at the center, and mounting holes for mounting the bracket (2) are formed at two ends of the base (1).

4. A bearing dismounting device for repairing generator as claimed in claim 2, wherein said bracket (2) is fixedly connected with the mounting hole on the base (1) at one end and with the cross beam (3) at the other end.

5. The generator repairing bearing dismounting device as claimed in claim 2, wherein the two clamping bands (11) are arc-shaped, and the two clamping bands (11) are oppositely arranged to clamp the outer wall of the generator together and are attached to the outer wall of the generator; two ends of the two hoops (11) are fixedly connected through a dished bolt.

6. A generator repair bearing dismounting device according to claim 1, characterized in that said beam frame (3) is centrally provided with a square hole and a square nut is positioned in the square hole.

7. Generator repair bearing disassembly device according to claim 1 or 2 or 3 or 4 or 5 or 6, wherein said top pad (6), screw rod (7), generator, bottom pad (13) are coaxially arranged.