CN219213020U

CN219213020U - Labor-saving inner hole type bearing dismounting tool

Info

Publication number: CN219213020U
Application number: CN202223008269.3U
Authority: CN
Inventors: 张晓军
Original assignee: Baotou Iron and Steel Group Co Ltd
Current assignee: Baotou Iron and Steel Group Co Ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-06-20
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a labor-saving inner hole type bearing dismounting tool which comprises a support frame, wherein a fixing nut is arranged in the middle of the inside of the support frame, a main pull rod is arranged in the fixing nut in a penetrating manner, a strip-shaped moving groove is formed in one side, far away from the fixing nut, of the support frame, a support rod is arranged in the strip-shaped moving groove in a penetrating manner, an upper support rod locking nut is arranged above the strip-shaped moving groove, and a lower support rod locking nut is arranged below the strip-shaped moving groove; the pull frame is arranged below the support frame, a first connecting bearing is arranged in the middle of the interior of the pull frame, and a connecting nut is arranged in the first connecting bearing. This laborsaving hole type bearing extracting tool drives the pull frame through rotating main pull rod and reciprocates to this reaches the purpose of dismantling the bearing, has reduced intensity of labour, has improved the dismantlement efficiency, and simple structure, easy operation, the cost of manufacture is low, and later maintenance is spent lowly, and the suitability is good.

Description

Labor-saving inner hole type bearing dismounting tool

Technical Field

The utility model relates to the technical field of bearing detaching tools, in particular to a labor-saving inner hole type bearing detaching tool.

Background

The bearing is an important part in modern mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the motion process of the mechanical rotating body, ensuring the rotation precision of the mechanical rotating body, and ensuring the abrasion damage of the bearing when the bearing is used for too long, thereby influencing the rotation precision of the bearing and needing to be detached by a detaching tool for replacement.

The Chinese authorized bulletin No. CN217453776U discloses a labor-saving inner hole type bearing dismounting tool, which comprises a cross beam and jaw mechanisms, wherein the jaw mechanisms are symmetrically arranged on two sides of the cross beam, the distance between the two jaw mechanisms can be called to adapt to bearings with different diameter sizes, a hanging rod is arranged at the central part of the cross beam, a second locking nut and a second positioning nut for fastening the hanging rod are arranged at the bottom of the hanging rod, and the distance between the two jaw mechanisms can be adjusted, so that the tool is suitable for bearings with different diameters, and the practicability of the tool is improved; the utility model has the advantages of simple structure, easy operation, low manufacturing cost, low later maintenance cost, good applicability and good popularization value; when the bearing is disassembled, the upper limiting part is impacted by the impact part, so that the bearing can be conveniently and quickly disassembled from the blind hole, the sleeve, the bearing and the workpiece are ensured to be free from damage, and the labor intensity of the operation is reduced.

When the bearing dismounting tool in the patent is used, the lifting ring plate is required to be manually controlled to drive the impact block to impact the limiting ring, the inertia is utilized to loosen the bearing, the labor intensity is greatly increased, the dismounting tool is easy to damage due to impact, the nut is required to be screwed when the distance between the pull rods is adjusted every time, and the bearing dismounting tool is more troublesome.

Disclosure of Invention

The utility model aims to provide a labor-saving inner hole type bearing dismounting tool, which solves the problems that in the prior art, when the bearing dismounting tool in the patent is used, a lifting ring plate is required to be manually controlled to drive an impact block to impact a limiting ring, the bearing is loosened by utilizing inertia, the labor intensity is greatly increased, the dismounting tool is easy to damage due to impact, and in addition, a nut is required to be screwed every time the distance between pull rods is adjusted, so that the problem is troublesome.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the labor-saving inner hole type bearing dismounting tool comprises a support frame, wherein a fixing nut is arranged in the middle of the inside of the support frame, a main pull rod is arranged in the fixing nut in a penetrating manner, a strip-shaped moving groove is formed in one side, far away from the fixing nut, of the support frame, a support rod is arranged in the strip-shaped moving groove in a penetrating manner, an upper support rod locking nut is arranged above the strip-shaped moving groove, and a lower support rod locking nut is arranged below the strip-shaped moving groove;

the pull frame is installed the below of support frame, first connecting bearing is installed at the inside middle part of pull frame, first connecting bearing's internally mounted has coupling nut, the regulation movable slot has been seted up to one side that the pull frame kept away from first connecting bearing, the internally mounted who adjusts the movable slot has the movable block, the below fixed mounting of movable block has the connecting plate, third connecting bearing is installed to the below of connecting plate, vice pull rod is installed to the below of third connecting bearing, the below fixed mounting of vice pull rod has the hemisphere.

Preferably, the main pull rod is in threaded connection with the fixing nut, the main pull rod penetrates through the connecting nut, the main pull rod is in threaded connection with the connecting nut, and meanwhile the connecting nut is movably connected with the pull frame through the first connecting bearing.

Preferably, the upper support rod locking nut is in threaded connection with the support rod, the support rod is in threaded connection with the lower support rod locking nut, and the support rod is movably connected with the support frame through the upper support rod locking nut, the strip-shaped moving groove and the lower support rod locking nut.

Preferably, the auxiliary pull rod is movably connected with the connecting plate through a third connecting bearing, and the length dimension of the auxiliary pull rod is smaller than that of the supporting rod.

Preferably, the adjusting movable groove is further provided with:

the limiting sliding groove is formed in two sides of the inner wall of the adjusting movable groove, limiting sliding blocks are movably mounted in the limiting sliding groove, second connecting bearings are mounted at two ends of the inner wall of the adjusting movable groove, and adjusting screw rods are arranged in the second connecting bearings in a penetrating mode.

Preferably, the limit sliding block is fixedly connected with the moving block, and the moving block is movably connected with the adjusting movable groove through the limit sliding groove and the limit sliding block.

Preferably, the adjusting screw rod is movably connected with the adjusting movable groove through a second connecting bearing, the adjusting screw rod penetrates through the moving block, and the adjusting screw rod is in threaded connection with the moving block.

Compared with the prior art, the utility model provides a labor-saving inner hole type bearing dismounting tool, which has the following beneficial effects: this laborsaving hole type bearing extracting tool drives the pull frame through rotating main pull rod and reciprocates to this reaches the purpose of dismantling the bearing, has reduced intensity of labour, has improved the dismantlement efficiency, and simple structure, easy operation, the cost of manufacture is low, and later maintenance is spent lowly, and the suitability is good.

1. According to the utility model, the main pull rod is rotated to drive the pull frame to move up and down, so that the purpose of bearing disassembly is achieved, the labor intensity is reduced, the disassembly efficiency is improved, the structure is simple, the operation is easy, the manufacturing cost is low, the later maintenance cost is low, and the applicability is good;

2. according to the utility model, the moving block is pushed to move by rotating the adjusting screw rod, so that the auxiliary pull rods are driven to move, the distance between the auxiliary pull rods is adjusted, so that bearings with different diameters can be conveniently detached, and meanwhile, the adjustment operation is simple and convenient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of the internal structure of the adjusting movable groove of the present utility model;

fig. 4 is a schematic diagram of a connection structure of the auxiliary pull rod and the connection plate according to the present utility model.

In the figure: 1. a main pull rod; 2. an upper support rod lock nut; 3. a bar-shaped moving groove; 4. a lower support bar lock nut; 5. a first connecting bearing; 6. a support rod; 7. a coupling nut; 8. a fixing nut; 9. a support frame; 10. a pull frame; 11. a secondary pull rod; 12. a hemisphere; 13. a second connecting bearing; 14. adjusting the movable groove; 15. adjusting a screw rod; 16. a moving block; 17. limiting sliding grooves; 18. a limit sliding block; 19. a connecting plate; 20. and a third connecting bearing.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2 and 4, a labor-saving inner hole type bearing dismounting tool comprises a supporting frame 9, wherein a fixing nut 8 is arranged in the middle of the inside of the supporting frame 9, a main pull rod 1 is arranged in the fixing nut 8 in a penetrating manner, a strip-shaped moving groove 3 is formed in one side, far away from the fixing nut 8, of the supporting frame 9, a supporting rod 6 is arranged in the strip-shaped moving groove 3 in a penetrating manner, an upper supporting rod locking nut 2 is arranged above the strip-shaped moving groove 3, and a lower supporting rod locking nut 4 is arranged below the strip-shaped moving groove 3; the upper support rod locking nut 2 is in threaded connection with the support rod 6, the support rod 6 is in threaded connection with the lower support rod locking nut 4, and the support rod 6 is movably connected with the support frame 9 through the upper support rod locking nut 2, the strip-shaped moving groove 3 and the lower support rod locking nut 4; the pull frame 10 is arranged below the support frame 9, a first connecting bearing 5 is arranged in the middle of the interior of the pull frame 10, and a connecting nut 7 is arranged in the first connecting bearing 5; the main pull rod 1 is in threaded connection with the fixed nut 8, the main pull rod 1 penetrates through the inside of the connecting nut 7, the main pull rod 1 is in threaded connection with the connecting nut 7, meanwhile, the connecting nut 7 is movably connected with the pull frame 10 through the first connecting bearing 5, an adjusting movable groove 14 is formed in one side, far away from the first connecting bearing 5, of the pull frame 10, a moving block 16 is arranged in the adjusting movable groove 14, a connecting plate 19 is fixedly arranged below the moving block 16, a third connecting bearing 20 is arranged below the connecting plate 19, and a secondary pull rod 11 is arranged below the third connecting bearing 20; the auxiliary pull rod 11 is movably connected with the connecting plate 19 through a third connecting bearing 20, the length dimension of the auxiliary pull rod 11 is smaller than that of the supporting rod 6, and a hemisphere 12 is fixedly arranged below the auxiliary pull rod 11; the pull frame 10 is driven to move up and down by rotating the main pull rod 1, so that the purpose of bearing disassembly is achieved, the labor intensity is reduced, the disassembly efficiency is improved, the structure is simple, the operation is easy, the manufacturing cost is low, the later maintenance cost is low, and the applicability is good.

Referring to fig. 1-3, a labor-saving inner hole type bearing dismounting tool comprises a limit chute 17, wherein the limit chute 17 is arranged on two sides of the inner wall of an adjusting movable groove 14, and a limit sliding block 18 is movably arranged in the limit chute 17; the limiting slide block 18 is fixedly connected with the moving block 16, the moving block 16 is movably connected with the adjusting movable groove 14 through the limiting slide groove 17 and the limiting slide block 18, the second connecting bearings 13 are arranged at two ends of the inner wall of the adjusting movable groove 14, and the adjusting screw rod 15 is arranged in the second connecting bearings 13 in a penetrating manner; the adjusting screw rod 15 is movably connected with the adjusting movable groove 14 through the second connecting bearing 13, the adjusting screw rod 15 penetrates through the moving block 16, and the adjusting screw rod 15 is in threaded connection with the moving block 16; the moving block 16 is pushed to move by rotating the adjusting screw rod 15, so that the auxiliary pull rod 11 is driven to move, the distance between the auxiliary pull rods 11 is adjusted, bearings with different diameters are convenient to detach, and meanwhile, the adjustment operation is simple and convenient.

Working principle: when the labor-saving inner hole type bearing dismounting tool is used, the main pull rod 1 is rotated firstly, the main pull rod 1 is pushed to move downwards through threads, the pull frame 10 and the auxiliary pull rod 11 are driven to move downwards, the auxiliary pull rod 11 exceeds the length of the supporting rod 6 and can be inserted into a bearing, then the adjusting screw rod 15 is rotated, the moving block 16 is pushed to move in the adjusting movable groove 14 through threads, the auxiliary pull rod 11 is driven to move, the positions of the other two auxiliary pull rods 11 are adjusted in the same way, the three hemispheres 12 can be inserted into gaps between the outer ring and the inner ring of the bearing, the auxiliary pull rod 11 is rotated to drive the hemispheres 12 to be clamped in the gaps between the outer ring and the inner ring of the bearing, the main pull rod 1 is reversely rotated, the connecting nut 7 is driven to move upwards through threads, and the pull frame 10 and the auxiliary pull rod 11 are driven to move upwards, and the auxiliary pull rod 11 is matched with the supporting rod 6 to dismount the bearing, and the labor-saving inner hole type bearing dismounting tool is the working principle.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A labor-saving female bearing removal tool, comprising:

the support frame (9), the inside mid-mounting of support frame (9) has fixation nut (8), main pull rod (1) has been worn to have been equipped with to the inside of fixation nut (8), bar removal groove (3) have been seted up to one side that fixation nut (8) was kept away from to support frame (9), bracing piece (6) have been worn to the inside in bar removal groove (3), upper bracing piece lock nut (2) are installed to the top in bar removal groove (3), lower bracing piece lock nut (4) are installed to the below in bar removal groove (3);

the pull frame (10), it is installed the below of support frame (9), first connecting bearing (5) are installed at the inside middle part of pull frame (10), the internally mounted of first connecting bearing (5) has coupling nut (7), regulation movable groove (14) have been seted up to one side that first connecting bearing (5) were kept away from to pull frame (10), the internally mounted of regulation movable groove (14) has movable block (16), the below fixed mounting of movable block (16) has connecting plate (19), third connecting bearing (20) are installed to the below of connecting plate (19), vice pull rod (11) are installed to the below of third connecting bearing (20), the below fixed mounting of vice pull rod (11) has hemisphere (12).

2. The labor-saving inner hole type bearing dismounting tool according to claim 1, wherein the main pull rod (1) is in threaded connection with the fixing nut (8), the main pull rod (1) penetrates through the connecting nut (7), the main pull rod (1) is in threaded connection with the connecting nut (7), and meanwhile the connecting nut (7) is movably connected with the pull frame (10) through the first connecting bearing (5).

3. The labor-saving inner hole type bearing dismounting tool according to claim 1, wherein the upper support rod locking nut (2) is in threaded connection with the support rod (6), the support rod (6) is in threaded connection with the lower support rod locking nut (4), and the support rod (6) is movably connected with the support frame (9) through the upper support rod locking nut (2), the strip-shaped moving groove (3) and the lower support rod locking nut (4).

4. The labor-saving inner hole type bearing dismounting tool according to claim 1, wherein the auxiliary pull rod (11) is movably connected with the connecting plate (19) through a third connecting bearing (20), and the length dimension of the auxiliary pull rod (11) is smaller than the length dimension of the supporting rod (6).

5. A labor-saving female bearing removal tool according to claim 1, wherein the adjustment movement groove (14) is further provided with:

the limiting sliding groove (17) is formed in two sides of the inner wall of the adjusting movable groove (14), a limiting sliding block (18) is movably mounted in the limiting sliding groove (17), second connecting bearings (13) are mounted at two ends of the inner wall of the adjusting movable groove (14), and an adjusting screw rod (15) is arranged in the second connecting bearings (13) in a penetrating mode.

6. The labor-saving inner hole type bearing dismounting tool according to claim 5, wherein the limit sliding block (18) is fixedly connected with the moving block (16), and the moving block (16) is movably connected with the adjusting movable groove (14) through the limit sliding groove (17) and the limit sliding block (18).

7. The labor-saving inner hole type bearing dismounting tool according to claim 5, wherein the adjusting screw rod (15) is movably connected with the adjusting movable groove (14) through the second connecting bearing (13), the adjusting screw rod (15) penetrates through the moving block (16), and the adjusting screw rod (15) is in threaded connection with the moving block (16).