CN216803297U

CN216803297U - Bearing dismounting tool

Info

Publication number: CN216803297U
Application number: CN202220305694.XU
Authority: CN
Inventors: 张海飞
Original assignee: Wuxi Zhengjiexin Precision Machinery Technology Co ltd
Current assignee: Wuxi Zhengjiexin Precision Machinery Technology Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-06-24
Anticipated expiration: 2032-02-16

Abstract

The utility model discloses a bearing dismounting tool, which has the technical scheme that: comprises a first plate body and a second plate body which are connected through a connecting rod, a rotating plate is rotatably connected on the first plate body, a swing rod is hinged on the rotating plate, one end of the swing rod, which is different from the end connected with the rotating plate, is hinged with a moving block, a clamping rod is fixedly arranged at the lower end of the moving block, a first avoidance groove is arranged on the first plate body, the clamping rod penetrates through the first avoidance groove, the lower end of the clamping rod is provided with a clamping jaw, the rotating plate is fixedly provided with a rotating handle, the rotating handle extends to the upper end of the second plate body, the middle part of the second plate body is provided with a second avoidance groove, the rotating handle penetrates through the second avoiding groove, the ratchet wheel is fixedly arranged on the rotating handle, the pawl is arranged in the second avoiding groove, and the pawl is matched with the ratchet wheel for use.

Description

Bearing dismounting tool

Technical Field

The utility model relates to the technical field of bearing disassembling tools, in particular to a bearing disassembling tool.

Background

The bearing is one of important parts in modern mechanical equipment, and is mainly used for supporting the mechanical rotating body, reducing the friction coefficient in the motion process of the mechanical rotating body and ensuring the gyration precision of the mechanical rotating body. In mechanical equipment, in order to ensure that the bearings can work normally, the bearings need to be maintained and replaced regularly, and therefore the bearings inevitably need to be disassembled.

Referring to the patent of Chinese utility model with the publication number of CN210704619U, it discloses a bearing dismounting tool, comprising a support plate, a moving plate, a first screw, a second screw and a support plate, wherein the support plate is arranged at the end of the second screw; the middle part of the supporting plate is provided with a threaded hole, the first screw penetrates through the threaded hole and is in threaded connection with the threaded hole, and the tail end of the first screw is provided with a pressing block; the middle part of the movable plate is provided with a first through hole, the first screw penetrates through the first through hole, and the movable plate can move up and down between the support plate and the pressing block; the movable plate is provided with a positioning groove, the second screw penetrates through the positioning groove, and the second screw is fixedly connected with the movable plate through a first nut and a second nut.

The bearing disassembling tool is convenient to realize the disassembling process of the bearing in the hole and the bearing on the shaft by arranging the supporting plate, the movable plate, the first screw, the second screw and the supporting plate, has high disassembling efficiency and can disassemble the bearing in an assembling state; through setting up the constant head tank, can make the distance between the second screw adjustable, be convenient for realize the dismantlement of the bearing of different specifications, but it still has some shortcomings, for example: in the device, fix first screw rod and second screw rod through a plurality of nuts, it is comparatively inconvenient to fix, so need a new technical scheme to solve this problem.

Disclosure of Invention

The utility model aims to provide a bearing disassembling tool aiming at solving the problem that the first screw rod and the second screw rod are fixed by a plurality of nuts and are inconvenient to fix in the prior art.

The technical purpose of the utility model is realized by the following technical scheme:

a bearing disassembling tool comprises a first plate body and a second plate body which are connected through a connecting rod, a rotating plate is rotatably connected on the first plate body, a swing rod is hinged on the rotating plate, one end of the swing rod, which is different from the end connected with the rotating plate, is hinged with a moving block, a clamping rod is fixedly arranged at the lower end of the moving block, a first avoidance groove is arranged on the first plate body, the clamping rod penetrates through the first avoidance groove, the lower end of the clamping rod is provided with a clamping jaw, the rotating plate is fixedly provided with a rotating handle, the rotating handle extends to the upper end of the second plate body, the middle part of the second plate body is provided with a second avoidance groove, the rotating handle penetrates through the second avoiding groove, a ratchet wheel is fixedly arranged on the rotating handle, a pawl is arranged in the second avoiding groove, and the pawl is matched with the ratchet wheel for use.

Further, the first avoidance groove has the same diameter as the clamping rod.

Through above-mentioned technical scheme, when using, the kelly removes along first dodging the groove, and it is comparatively steady to remove.

Furthermore, a limiting rod is fixedly arranged on the clamping rod, a limiting groove is formed in the position, corresponding to the limiting rod, of the lower end of the first plate body, the limiting rod extends into the limiting groove, and the limiting groove is parallel to the first avoiding groove.

Through the technical scheme, when the clamping device is used, the limiting rod is extended and the limiting groove is formed, so that the clamping rod cannot rotate when moving, and meanwhile, the stability of the clamping rod when moving is improved.

Further, the fixed plate is fixedly arranged at the lower end of the clamping rod, the clamping rod penetrates through the clamping jaw, an external thread is formed in the lower end of the clamping rod, and a nut is arranged at the position of the external thread.

Through above-mentioned technical scheme, when using, the nut of screwing, nut and fixed plate extrusion jack catch make the difficult emergence of jack catch rotatory, take off the nut simultaneously, can take off and block.

Furthermore, the number of the swing rods is not less than four, and the number of the moving blocks, the clamping rods and the clamping claws is the same as that of the swing rods.

Through last technical scheme, can reduce the load of kelly and jack catch, prevent kelly and jack catch fracture.

In conclusion, the utility model mainly has the following beneficial effects: according to the utility model, the rotating plate is arranged, when the rotating plate rotates, the swing rod drives the clamping rod to move towards the rotating plate, the rotating plate is continuously rotated to enable the clamping rod to be tightly attached to the bearing, the ratchet wheel is clamped by the pawl due to the existence of the ratchet wheel and the pawl, the ratchet wheel cannot rotate reversely, namely the rotating plate cannot rotate reversely, the clamping rod is tightly attached to the bearing, the rotating plate cannot rotate forwards, the rotating plate can be fixed, the clamping rod cannot move due to the fact that the rotating plate cannot rotate, and the clamping rod is fixed conveniently.

Drawings

FIG. 1 is a front view of the present embodiment;

FIG. 2 is a plan view of the present embodiment;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 1;

fig. 4 is a top view of the first plate of the present embodiment.

Reference numerals: 1. a first plate body; 101. a first avoidance slot; 2. a second plate body; 201. a second avoidance slot; 3. a connecting rod; 4. a rotating plate; 5. a swing rod; 6. a moving block; 7. a clamping rod; 8. a claw; 9. a handle is rotated; 10. a ratchet wheel; 11. a pawl; 12. a limiting rod; 13. a fixing plate; 14. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to 4, a bearing dismounting tool comprises a first plate body 1 and a second plate body 2, wherein the first plate body 1 and the second plate body 2 are connected through a connecting rod 3, a rotating plate 4 is rotatably connected to the first plate body 1, a swing rod 5 is hinged to the rotating plate 4, one end of the swing rod 5, different from the end connected to the rotating plate 4, is hinged to a moving block 6, a clamping rod 7 is fixedly arranged at the lower end of the moving block 6, a first avoiding groove 101 is formed in the first plate body 1, the clamping rod 7 passes through the first avoiding groove 101, a clamping jaw 8 is arranged at the lower end of the clamping rod 7, a rotating handle 9 is fixedly arranged on the rotating plate 4, the rotating handle 9 extends to the upper end of the second plate body 2, a second avoiding groove 201 is formed in the middle of the second plate body 2, the rotating handle 9 passes through the second avoiding groove 201, a ratchet 10 is fixedly arranged on the rotating handle 9, a pawl 11 is arranged in the second avoiding groove 201, and the pawl 11 is matched with the ratchet 10, in this embodiment, a connecting plate is disposed at an edge of the rotating plate 4, the swing rod 5 is hinged to the connecting plate, and an upper end of the pawl 11 exceeds an upper end surface of the second plate body 2.

Referring to fig. 3, the first escape groove 101 has the same diameter as the chucking rod 7.

Referring to fig. 1, a limiting rod 12 is fixedly disposed on the clamping rod 7, a limiting groove is formed at a position of the lower end of the first plate body 1 corresponding to the limiting rod 12, the limiting rod 12 extends into the limiting groove, and the limiting groove is parallel to the first avoiding groove 101.

Referring to fig. 1, a fixing plate 13 is fixedly arranged at the lower end of the clamping rod 7, the clamping rod 7 penetrates through the clamping jaw 8, an external thread is formed at the lower end of the clamping rod 7, a nut 14 is arranged at the external thread, and during practical use, the nut 14 is screwed, so that the clamping jaw 8 is fixed by using friction force between the clamping jaw 8 and the fixing plate 13 as well as between the clamping jaw 14.

Referring to fig. 3, the number of the swing rods 5 is not less than four, and the number of the moving blocks 6, the clamping rods 7 and the clamping jaws 8 is the same as that of the swing rods 5, in this embodiment, the number of the swing rods 5, the number of the moving blocks 6, the number of the clamping rods 7 and the number of the clamping jaws 8 are four, and the swing rods are uniformly distributed on the first plate body 1.

In conclusion, during use, the utility model is moved to a bearing, the middle of the first plate body 1 is approximately aligned with the middle of the bearing, then the rotating handle 9 is rotated, the rotating handle 9 drives the rotating plate 4 to rotate, because one end of the oscillating rod 5 is hinged with the rotating plate 4, when the rotating plate 4 rotates, one end of the oscillating rod 5 moves along with the rotating plate 4, because one end of the oscillating rod 5 is hinged with the moving block 6, the oscillating rod 5 drives the moving block 6 to move along the first avoidance groove 101, the oscillating rod 5 slowly approaches the middle of the first plate body 1, the oscillating rod 5 drives the clamping rod 7 to the middle of the first plate body 1, the outer ring of the bearing is clamped, when the clamping rod 7 is tightly attached to the bearing, the rotation can be stopped, because of the existence of the ratchet 10 and the pawl 11, the rotating handle 9 cannot rotate reversely, it is convenient to fix by using the ratchet 10 and the pawl 11, when the bearing needs to be released, the pawl 11 is pulled to separate from the ratchet 10, the rotating handle 9 can be rotated to separate the clamping rod 7 from the bearing.

The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. The utility model provides a bearing extracting tool, includes first plate body (1) and second plate body (2), first plate body (1) and second plate body (2) are connected its characterized in that through connecting rod (3): the first plate body (1) is rotatably connected with a rotating plate (4), the rotating plate (4) is hinged with a swing rod (5), one end of the swing rod (5), different from the end connected with the rotating plate (4), is hinged with a moving block (6), the lower end of the moving block (6) is fixedly provided with a clamping rod (7), the first plate body (1) is provided with a first avoidance groove (101), the clamping rod (7) penetrates through the first avoidance groove (101), the lower end of the clamping rod (7) is provided with a clamping jaw (8), the rotating plate (4) is fixedly provided with a rotating handle (9), the rotating handle (9) extends to the upper end of the second plate body (2), the middle part of the second plate body (2) is provided with a second avoidance groove (201), the rotating handle (9) penetrates through the second avoidance groove (201), and the rotating handle (9) is fixedly provided with a ratchet wheel (10), a pawl (11) is arranged in the second avoiding groove (201), and the pawl (11) is matched with the ratchet wheel (10) for use.

2. A bearing removal tool as claimed in claim 1, wherein: the first avoiding groove (101) and the clamping rod (7) are the same in diameter.

3. A bearing removal tool as claimed in claim 1, wherein: the fixed gag lever post (12) that is provided with on kelly (7), the lower extreme of first plate body (1) corresponds to gag lever post (12) department has seted up the spacing groove, gag lever post (12) extend into the spacing inslot, the spacing groove with first groove (101) of dodging are parallel.

4. A bearing removal tool as claimed in claim 1, wherein: the lower extreme of kelly (7) is fixed and is provided with fixed plate (13), kelly (7) run through jack catch (8), the external screw thread has been seted up to the lower extreme of kelly (7), external screw thread department is provided with nut (14).

5. A bearing removal tool as claimed in claim 1, wherein: the number of the swing rods (5) is not less than four, and the number of the moving blocks (6), the clamping rods (7) and the number of the clamping claws (8) are the same as that of the swing rods (5).