CN217513806U - A broken dismouting of bolt is put for railcar maintenance - Google Patents

Abstract

The utility model discloses a broken dismouting of bolt for railcar maintenance device, including solid fixed ring, gu the equal fixedly connected with dead lever of solid fixed ring inside wall intermediate position all around, the inside threaded connection of dead lever has the threaded rod, the threaded rod is located solid fixed ring outside one end and rotates and be connected with rolling bearing, and rolling bearing's both ends fixedly connected with bull stick, the threaded rod is located solid fixed ring inside one end fixedly connected with connecting block, the inside demountable installation of connecting block has the cutter, gu the inside intermediate position of fixed ring is provided with the fastening swivel nut. The utility model discloses can be through rotating the bull stick under the circumstances that rolling bearing carries out the connection simultaneously with bull stick and threaded rod, can be under the circumstances of inboard threaded connection between threaded rod and dead lever, drive the cutter and cut the outside of corrosion bolt, cut the degree of depth of adjustable cutting, make things convenient for the later stage to carry out better brokenly tearing open the corrosion bolt.

Description

A broken dismouting of bolt is put for railcar maintenance

Technical Field

The utility model relates to a railcar maintenance technical field specifically is a broken dismouting of bolt is put for railcar maintenance.

Background

Subway is quick, the heavy traffic of building in the city, electric traction's track traffic, and carriage spare part can use a large amount of bolts to fix, and after the bolt is installed for a long time, can receive the influence of pollutant in the external environment, leads to the bolt to take place the phenomenon of corrosion, and the bolt after the corrosion can't adopt conventional spanner to dismantle, consequently just needs to break to tear the processing open to the bolt after the corrosion.

This type of broken device of tearing open on the market is various nowadays, can satisfy people's user demand basically, but still has certain problem:

1. the existing forcible entry device can reduce the forcible entry effect on the rusted bolt due to poor forcible entry efficiency;

2. the existing breaking-in device has the defects that the shearing knife is inconvenient to rapidly install and dismantle, and the dismounting efficiency of internal parts of the device is reduced;

3. the existing forcible entry device is difficult to detach due to the corrosion of the bolt, and the position of the forcible entry device is inconvenient to fix, so that the forcible entry device is difficult to detach.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a broken dismouting of bolt for railcar maintenance to it is relatively poor to provide broken dismouting because the efficiency of brokenly tearing open in solving above-mentioned background art, can reduce the problem to the broken effect of tearing open of corrosion bolt.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a broken dismouting of bolt device for railcar maintenance, includes solid fixed ring, gu the equal fixedly connected with dead lever of solid fixed ring inside wall intermediate position all around, the inside threaded connection of dead lever has the threaded rod, the threaded rod is located solid fixed ring outside one end and rotates and be connected with rolling bearing, and rolling bearing's both ends fixedly connected with bull stick, the threaded rod is located solid fixed ring inside one end fixedly connected with connecting block, the inside demountable installation of connecting block has the cutter.

As an optimized scheme of the utility model, the inside intermediate position of solid fixed ring is provided with the fastening swivel nut, and the top fixedly connected with fixed block of fastening swivel nut to the inside threaded connection of fastening swivel nut and fixed block has the screw rod.

As a preferred scheme of the utility model, the cutter is provided with four groups, and four groups of cutters distribute around solid fixed ring is inside.

As a preferred scheme of the utility model, the mounting groove has been seted up at the top of connecting block, the bottom fixedly connected with spliced pole of cutter, the spliced pole is grafting connection structure with the inside of mounting groove.

As a preferred scheme of the utility model, the first spring of the equal fixedly connected with in both sides of spliced pole, and the one end fixedly connected with dog that the spliced pole lateral wall was kept away from to first spring, one side fixedly connected with second spring that first spring was kept away from to the dog, and the one end fixedly connected with stopper that the dog was kept away from to the second spring to one side fixedly connected with lug of second spring is kept away from to the stopper.

As a preferred scheme of the utility model, stopper and lug are spacing connection structure with the inside wall of connecting block.

As a preferred scheme of the utility model, lug fixed connection is in the intermediate position of stopper lateral wall, and the lug is protruding globular.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) by arranging the rotating rod, the rotating bearing, the fixed rod, the threaded rod, the cutter and the connecting block, the cutter can be driven to cut the outer side of the rusted bolt under the condition that the rotating bearing is simultaneously connected with the rotating rod and the threaded rod is connected with the fixed rod through the inner side threads by rotating the rotating rod in the using process of the device, the cutting depth can be adjusted, and the rusted bolt can be conveniently broken and dismantled in the later period;

(2) by arranging the mounting groove, the connecting column, the first spring, the stop block, the limiting block, the lug and the second spring, the quick replacement of the cutter can be realized according to the use state of the cutter in the use process of the device under the condition that the cutter is seriously damaged, the disassembly is convenient, the installation is convenient, and the disassembly and assembly efficiency of parts inside the device can be effectively improved;

(3) through being provided with fastening swivel nut, fixed block and screw rod, can cup joint through the fastening swivel nut and the fastening of corrosion bolt lateral wall in the use of device, the fixed block is to the rigidity of fastening swivel nut, can realize tearing open the brokenly of corrosion bolt through the rotation of screw rod, fixes the brokenly of carrying out the corrosion bolt of tearing open through the position to the corrosion bolt, can effectively promote the brokenly effect of tearing open of device.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the fixing rod of the present invention;

FIG. 3 is a schematic view of the connection structure of the cutter and the connecting block of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 3 according to the present invention;

fig. 5 is a schematic view of the top view of the fastening screw sleeve of the present invention.

In the figure: 1. a fixing ring; 2. a rotating rod; 3. a rotating bearing; 4. fixing the rod; 5. a threaded rod; 6. fastening a threaded sleeve; 7. a cutter; 8. connecting blocks; 9. mounting grooves; 10. connecting columns; 11. a first spring; 12. a stopper; 13. a limiting block; 14. a bump; 15. a second spring; 16. a fixed block; 17. a screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a broken dismouting of bolt for railcar maintenance, including solid fixed ring 1, the equal fixedly connected with dead lever 4 of 1 inside wall of solid fixed ring intermediate position all around, the inside threaded connection of dead lever 4 has threaded rod 5, threaded rod 5 is located solid fixed ring 1 outside one end and rotates and be connected with rolling bearing 3, and rolling bearing 3's both ends fixedly connected with bull stick 2, threaded rod 5 is located solid fixed ring 1 inside one end fixedly connected with connecting block 8, connecting block 8's inside demountable installation has cutter 7, cutter 7 is provided with four groups, and four groups of cutter 7 distribute around solid fixed ring 1 inside, can be according to the corrosion condition of bolt, carry out the rotation of the different degree of depth to cutter 7, can realize the cutting to the corrosion bolt outside through cutter 7, be convenient for follow-up broken the tearing open of corrosion bolt, use this provides convenient for follow-up work.

The top of the connecting block 8 is provided with a mounting groove 9, the bottom end of the cutter 7 is fixedly connected with a connecting column 10, the connecting column 10 and the inside of the mounting groove 9 are in a plug connection structure, both sides of the connecting column 10 are fixedly connected with first springs 11, one ends of the first springs 11 far away from the outer side wall of the connecting column 10 are fixedly connected with a stop block 12, one sides of the stop block 12 far away from the first springs 11 are fixedly connected with second springs 15, one ends of the second springs 15 far away from the stop block 12 are fixedly connected with stop blocks 13, one sides of the stop blocks 13 far away from the second springs 15 are fixedly connected with convex blocks 14, the stop blocks 13, the convex blocks 14 and the inner side walls of the connecting block 8 are in a limiting connection structure, the convex blocks 14 are fixedly connected to the middle positions of the outer side walls of the stop blocks 13, the convex blocks 14 are in a convex ball shape, the cutter 7 can be rapidly disassembled without disassembling larger parts on the device according to different use states of the cutter 7, convenient to change, the simple operation also has the flexibility in the use more.

The intermediate position of solid fixed ring 1 inside is provided with fastening swivel nut 6, and the top fixedly connected with fixed block 16 of fastening swivel nut 6 to the inside threaded connection of fastening swivel nut 6 and fixed block 16 has screw rod 17, can fix the outside of corrosion bolt fast, realizes tearing open the corrosion bolt afterwards, with this can hoisting device tear efficiency open to the corrosion bolt.

The working principle is as follows: when in use, firstly, under the condition of compressing the first spring 11, the stop 12, the second spring 15, the stop block 13 and the projection 14, the connecting column 10 is placed into the mounting groove 9 until the connecting column 10 is completely placed into the mounting groove 9, under the elastic force carried by the first spring 11 and the second spring 15, the limit block 13 and the convex block 14 can be popped out of the inner side wall of the connecting block 8, and the buckle can be blocked by the stop block 12, the limit of the first spring 11 can be realized, the connection between the connecting column 10 and the connecting block 8 is realized, thereby realizing the installation of the rotating rod 2, by pressing the convex block 14 and the limit block 13 towards the inside of the connecting block 8, the second spring 15 can be compressed, the stop 12 is pushed to drive the first spring 11 to compress, the convex block 14 can be positioned in the mounting groove 9, and the rotating rod 2 can be pulled out upwards, so that the rotating rod 2 can be detached;

secondly, the rotating rod 2 is rotated to drive the rotating bearing 3 to rotate, the threaded rod 5 can be driven by the rotating bearing 3 to rotate and move inwards in the fixed rod 4, the connecting block 8 and the cutter 7 can be driven to cut the outer side wall of the rusted bolt, and the rusted bolt can be conveniently broken and dismantled at a later stage;

and finally, the fastening screw sleeve 6 is tightly sleeved on the outer side of the rusted bolt, the position of the fastening screw sleeve 6 on the rusted bolt is fixed through the fixing block 16, and the rusted bolt can be broken and disassembled by rotating the screw rod 17 upwards.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a broken dismouting of bolt is put for railcar maintenance, includes solid fixed ring (1), its characterized in that: the utility model discloses a cutter, including solid fixed ring (1), the equal fixedly connected with dead lever (4) of intermediate position all around of solid fixed ring (1) inside wall, the inside threaded connection of dead lever (4) has threaded rod (5), threaded rod (5) are located solid fixed ring (1) outside one end and rotate and are connected with rolling bearing (3), and rolling bearing's (3) both ends fixedly connected with bull stick (2), threaded rod (5) are located solid fixed ring (1) inside one end fixedly connected with connecting block (8), the inside demountable installation of connecting block (8) has cutter (7).

2. The bolt breaking device for repairing the metro vehicle according to claim 1, wherein: the middle position of the interior of the fixing ring (1) is provided with a fastening threaded sleeve (6), the top end of the fastening threaded sleeve (6) is fixedly connected with a fixing block (16), and the internal threads of the fastening threaded sleeve (6) and the fixing block (16) are connected with a screw (17).

3. The bolt breaking device for repairing the metro vehicle according to claim 1, wherein: the cutters (7) are provided with four groups, and the four groups of cutters (7) are distributed on the periphery of the inner part of the fixing ring (1).

4. The bolt breaking and disassembling device for repairing the metro vehicle according to claim 1, characterized in that: mounting groove (9) have been seted up at the top of connecting block (8), the bottom fixedly connected with spliced pole (10) of cutter (7), spliced pole (10) are the plug-in connection structure with the inside of mounting groove (9).

5. The bolt breaking-down device for repairing the metro vehicle according to claim 4, wherein the bolt breaking-down device comprises: the equal fixedly connected with first spring (11) in both sides of spliced pole (10), and one end fixedly connected with dog (12) of spliced pole (10) lateral wall are kept away from in first spring (11), one side fixedly connected with second spring (15) of first spring (11) are kept away from in dog (12), and one end fixedly connected with stopper (13) of dog (12) are kept away from in second spring (15) to one side fixedly connected with lug (14) of second spring (15) are kept away from in stopper (13).

6. A bolt breaking-in device for subway vehicle maintenance according to claim 5, characterized in that: the limiting blocks (13) and the convex blocks (14) are in limiting connection with the inner side wall of the connecting block (8).

7. A bolt breaking-in device for subway vehicle maintenance according to claim 5, characterized in that: the convex block (14) is fixedly connected to the middle position of the outer side wall of the limiting block (13), and the convex block (14) is in a convex sphere shape.

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