Tapered roller bearing assembly tool

Abstract

The utility model discloses a tapered roller bearing assembly tool in the related technical field of tapered roller bearing assembly, which comprises a rotary power box and a placing disc, a rotary support seat is arranged on the rotary power box, the placing disc is rotatably connected and mounted on the rotary support seat, a positioning table is arranged in the middle of the placing disc, and a positioning block is arranged on the positioning table. A positioning seat is arranged above the positioning table, a bearing retainer is arranged on the outer side of the positioning seat, and a pressing gasket is arranged above the positioning seat. According to the utility model, the positioning table is arranged on the placing disc, so that the bearing retainer can be effectively positioned, the positioning seat is arranged above the positioning table, and the positioning seat is provided with the positioning mounting groove matched with the bearing retainer, so that the rollers can be effectively positioned, and the problem that the distance between the rollers is not uniform is avoided; the stability of roller installation is effectively guaranteed, and the last roller can be easily installed when installed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of tapered roller bearing assembly, and concretely relates to a tapered roller bearing assembly tool. BACKGROUND

[0002] Roller bearing belongs to one kind of rolling bearing, and is one of parts widely used in modern machinery, which supports rotating parts by rolling contact between main components. Before being put into use, roller bearing needs to be produced and assembled first, and after assembly, it can be put into use after testing and inspection. In the process of roller bearing assembly, most of the bearing manufacturers in China are manual work when assembling rollers, that is, the rollers are put into the cage of the roller bearing during assembly, and the gap between rollers is uncontrollable during assembly. When the last roller is put in, the last roller is difficult to install due to the gap problem, so it needs to be knocked in with a hammer, which is easy to damage the roller and difficult to control the quality of bearing assembly. At the same time, when the roller is knocked with a hammer, copper chips may enter the outer raceway of the bearing and form impurities, thereby affecting the normal operation of the bearing. In addition, the labor intensity of workers is large, the assembly efficiency is low, and long-time work is easy to cause harm to hands.

[0003] Therefore, the utility model is provided. CONTENT OF UTILITY MODEL

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide a tapered roller bearing assembly tool. To solve the above technical problems, the basic idea of the technical scheme of the utility model is:

[0005] A tapered roller bearing assembly tool, comprising a rotary power box and a placing disc, a rotating support seat is arranged on the rotary power box, the placing disc is rotatably connected and arranged on the rotating support seat, a positioning table is arranged at the middle position of the placing disc, a positioning seat is arranged above the positioning table, a bearing cage is arranged outside the positioning seat, a compression gasket is arranged above the positioning seat, a locking nut is arranged above the compression gasket, a support frame is arranged on the side of the rotary power box, a moving sliding groove is formed in the top plate of the support frame, a hydraulic rod is fixedly installed on the top plate of the support frame, the extension end position of the hydraulic rod is fixedly connected with a moving sliding block, the moving sliding block is slidably connected and installed in the positioning installation groove, one side of the moving sliding block away from the hydraulic rod is fixedly connected with a clamping frame, a clamping seat is fixedly arranged at the U-shaped end position of the clamping frame, a telescopic clamping rod is arranged inside the clamping seat, a clamping jaw is fixedly arranged at one end of the telescopic clamping rod away from the clamping seat, a roller mounting cylinder is clamped inside the clamping jaw, and the roller mounting cylinder is used for placing and mounting rollers.

[0006] As a further solution of the present invention: a positioning installation groove is provided on the outer side of the positioning seat, the number and specifications of the positioning installation grooves are compatible with the number and specifications of the rollers of the tapered roller bearing, and a mounting shaft is provided above the placement plate. The positioning seat cooperates with the mounting shaft, is positioned by a key connection, and is locked and fixed by the locking nut, which facilitates disassembly and replacement of the positioning seats of different models.

[0007] As a further solution of the present invention: a clamping cavity is provided in the clamping seat, a clamping rod end plate is provided at the end of the telescopic clamping rod away from the clamping claw, the clamping rod end plate is installed in the clamping cavity, and a reset spring is installed between the clamping plate end plate and the inner wall of the clamping cavity, and the reset spring is used to provide clamping power for the clamping of the clamping claw.

[0008] As a further solution of the present invention: the clamping claw is designed as an arc-shaped structure, a clamping protection pad is provided on the clamping surface of the clamping claw, and an auxiliary clamping screw is installed on the outer side of the clamping seat, and the auxiliary clamping screw is used to provide auxiliary clamping for the reset spring.

[0009] As a further solution of the present invention: a rotating motor is installed in the rotating power box, a driving gear is installed on the main shaft of the rotating motor, a driven gear is meshed with the side of the driving gear, and the driven gear is installed on the rotating rod, the upper end of the rotating rod is fixedly connected to the placement plate, and the rotating motor is used to provide power support for the rotation of the placement plate.

[0010] As a further solution of the present invention: a positioning sleeve is provided on the upper part of the driven gear, a support bearing is provided at the matching position of the rotating shaft and the rotating support seat, a bearing end cover is provided above the support bearing, and the bearing end cover is used to protect the support bearing.

[0011] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art.

[0012] The utility model is provided with a positioning platform on the placement plate, which can effectively position the bearing retainer; a positioning seat is provided above the positioning platform, and a positioning installation groove adapted to the bearing retainer is provided on the positioning seat, which can effectively position the roller installation, avoid the problem of uneven spacing between the rollers, effectively ensure the stability of the roller installation, and easily install the last roller.

[0013] The utility model is equipped with a roller mounting cylinder, which can move horizontally under the action of a moving slide groove, a moving slider and a hydraulic rod, thereby meeting the assembly and use requirements of roller bearings of different specifications. The assembly and disassembly process of the roller mounting cylinder is simple to operate.

[0014] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are part of this application and are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention but do not constitute an undue limitation of the present invention. Obviously, the drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. In the drawings:

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 This is the main view of the utility model;

[0018] Figure 3 This is a schematic diagram of the clamping frame of the present utility model;

[0019] Figure 4 This is a schematic diagram of the interior of the rotary power box of the present invention.

[0020] In the figure: 1. Rotating power box; 2. Placing plate; 3. Bearing retainer; 4. Positioning seat; 5. Positioning mounting groove; 6. Support frame; 7. Roller mounting cylinder; 8. Clamping frame; 9. Hydraulic rod; 10. Moving slide; 11. Clamping gasket; 12. Locking nut; 13. Rotating support seat; 14. Clamping claw; 15. Clamping protection pad; 16. Telescopic clamping rod; 17. Clamping seat; 18. Clamping cavity; 19. Reset spring; 20. Auxiliary clamping screw; 21. Clamping rod end plate; 22. Rotating motor; 23. Driving gear; 24. Driven gear; 25. Positioning sleeve; 26. Support bearing; 27. Bearing end cover; 28. Moving slider; 29. ​​Positioning table.

[0021] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0023] like Figures 1 to 4As shown, a tapered roller bearing assembly tooling, a rotating power box 1 and a placement plate 2, a rotating support seat 13 is provided on the rotating power box 1, a placement plate 2 is rotatably connected and installed on the rotating support seat 13, a positioning platform 29 is provided in the middle position of the placement plate 2, a positioning seat 4 is provided above the positioning platform 29, a bearing retainer 3 is provided on the outside of the positioning seat 4, a clamping gasket 11 is provided above the positioning seat 4, a locking nut 12 is provided above the clamping gasket 11, a support frame 6 is provided on the side of the rotating power box 1, and a movable slide groove 10 is provided on the top plate of the support frame 6. A hydraulic rod 9 is fixedly installed on the top plate of the support frame 6, and the telescopic end position of the hydraulic rod 9 is fixedly connected to the movable slider 28, and the movable slider 28 is slidably connected and installed in the positioning installation groove 5. The side of the movable slider 28 away from the hydraulic rod 9 is fixedly connected to the clamping frame 8, and a clamping seat 17 is fixedly provided at the U-shaped end position of the clamping frame 8. A telescopic clamping rod 16 is provided on the inner side of the clamping seat 17, and a clamping claw 14 is fixedly provided on the end of the telescopic clamping rod 16 away from the clamping seat 17, and a roller mounting cylinder 7 is clamped on the inner side of the clamping claw 14. The roller mounting cylinder 7 is used for placing and installing rollers.

[0024] Among them, a positioning installation groove 5 is provided on the outside of the positioning seat 4. The number and specifications of the positioning installation grooves 5 are compatible with the number and specifications of the rollers of the tapered roller bearing. A mounting shaft is provided above the placement plate 2. The positioning seat 4 and the mounting shaft are matched and positioned by key connection and are locked and fixed with a locking nut, which is convenient for disassembly and replacement of positioning seats 4 of different models.

[0025] A clamping cavity 18 is provided in the clamping seat 17, and a clamping rod end plate 21 is provided at the end of the telescopic clamping rod 16 away from the clamping claw 14. The clamping rod end plate 21 is installed in the clamping cavity 18, and a return spring 19 is installed between the clamping plate end plate and the inner wall of the clamping cavity 18. The return spring 19 is used to provide clamping power for the clamping claw 14.

[0026] The clamping claw 14 is designed as an arc-shaped structure. A clamping protection pad 15 is provided on the clamping surface of the clamping claw 14 . An auxiliary clamping screw 20 is installed on the outer side of the clamping seat 17 . The auxiliary clamping screw 20 is used to provide auxiliary clamping for the reset spring 19 .

[0027] A rotating motor 22 is installed in the rotating power box 1, and a driving gear 23 is installed on the main shaft of the rotating motor 22. A driven gear 24 is engaged with the side of the driving gear 23. The driven gear 24 is installed on the rotating rod. The upper end of the rotating rod is fixedly connected to the placement plate 2. The rotating motor 22 is used to provide power support for the rotation of the placement plate 2.

[0028] A positioning sleeve 25 is provided on the upper part of the driven gear 24 , a support bearing 26 is provided at the matching position of the rotating shaft and the rotating support seat 13 , and a bearing end cover 27 is provided above the support bearing 26 . The bearing end cover 27 is used to protect the support bearing 26 .

[0029] The working principle of the present utility model is as follows: when assembling the tapered roller bearing, first select the corresponding specification of the positioning seat 4 according to the specification of the assembled tapered roller bearing, fix the positioning seat 4 on the top of the placement plate 2, and lock it in position by pressing the gasket 11 and the locking screw, match the lower end of the bearing retainer 3 with the positioning platform 29, and sleeve it on the outside of the positioning seat 4, and install the tapered roller from the upper end of the roller mounting cylinder 7. The upper end of the roller mounting cylinder 7 is designed with a tapered mouth to facilitate the addition of the tapered roller. The tapered roller falls from the lower end of the roller mounting cylinder 7 and falls into the gap between the bearing retainer 3 and the positioning seat 4. The positioning seat 4 The positioning and mounting grooves 5 correspond to the hollow structures on the bearing retainer 3 to ensure the effective installation of the tapered rollers. The rotating motor 22 in the rotating power box 1 drives the placement plate 2. The rotating motor 22 uses a stepping motor. Rotating the position of one positioning and mounting groove 5 is one pulse cycle, thereby realizing the installation of the tapered rollers. After the tapered rollers are arranged and installed in the bearing retainer 3, the inner ring of the tapered roller bearing is placed on the positioning seat 4, and the bearing retainer 3 is pulled out upward. During the separation process of the bearing retainer 3 and the positioning platform 29, the inner ring of the bearing effectively limits the tapered rollers, thereby realizing the cooperation between the bearing retainer 3 and the inner ring of the bearing;

[0030] The hydraulic rod 9 can drive the movable slider 28 to move horizontally along the movable slide 10, thereby driving the movement of the clamping frame 8 to meet the assembly and use requirements of tapered roller bearings of different diameters.

[0031] The utility model has a reasonable structural design and is easy to install and use. A positioning platform 29 is provided on the placement plate 2, which can effectively position the bearing retainer 3. A positioning seat 4 is provided above the positioning platform 29, and a positioning installation groove 5 that is compatible with the bearing retainer 3 is provided on the positioning seat 4, which can effectively position the roller installation, avoid the problem of uneven spacing between rollers, and effectively ensure the stability of roller installation. The last roller can also be easily installed. A roller installation cylinder 7 is provided, and the roller installation cylinder 7 can be horizontally moved under the action of the moving slide 10, the moving slider 28, and the hydraulic rod 9, thereby meeting the assembly and use requirements of roller bearings of different specifications. The disassembly and assembly process of the roller installation cylinder 7 is simple to operate, which can effectively improve assembly efficiency and reduce labor intensity.

[0032] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment, it is not intended to limit the present invention. Any technician familiar with this patent can make slight changes or modifications to equivalent embodiments using the above-mentioned technical content without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the solution of the present invention.

Claims

1. A tapered roller bearing assembly tool, comprising a rotary power box (1) and a placement plate (2), characterized in that: The rotating power box (1) is provided with a rotating support seat (13), the placing plate (2) is rotatably connected and installed on the rotating support seat (13), a positioning platform (29) is provided in the middle position of the placing plate (2), a positioning seat (4) is provided above the positioning platform (29), a bearing retainer (3) is provided on the outer side of the positioning seat (4), a clamping gasket (11) is provided above the positioning seat (4), a locking nut (12) is provided above the clamping gasket (11), a support frame (6) is provided on the side of the rotating power box (1), a movable slide groove (10) is provided on the top plate of the support frame (6), and the support frame (6) A hydraulic rod (9) is fixedly installed on the top plate, the telescopic end position of the hydraulic rod (9) is fixedly connected to the movable slider (28), the movable slider (28) is slidably connected and installed in the positioning installation groove (5), the side of the movable slider (28) away from the hydraulic rod (9) is fixedly connected to the clamping frame (8), the U-shaped end position of the clamping frame (8) is fixedly provided with a clamping seat (17), the inner side of the clamping seat (17) is provided with a telescopic clamping rod (16), the end of the telescopic clamping rod (16) away from the clamping seat (17) is fixedly provided with a clamping claw (14), and the inner side of the clamping claw (14) is clamped with a roller mounting cylinder (7).

2. The tapered roller bearing assembly tool according to claim 1, characterized in that: A positioning installation groove (5) is provided on the outer side of the positioning seat (4), and the number and specifications of the positioning installation grooves (5) are compatible with the number and specifications of the rollers of the tapered roller bearing. A mounting shaft is provided above the placement plate (2), and the positioning seat (4) cooperates with the mounting shaft.

3. The tapered roller bearing assembly tool according to claim 2, characterized in that: A clamping cavity (18) is provided in the clamping seat (17), a clamping rod end plate (21) is provided at one end of the telescopic clamping rod (16) away from the clamping claw (14), the clamping rod end plate (21) is installed in the clamping cavity (18), and a return spring (19) is installed between the clamping plate end plate and the inner wall of the clamping cavity (18).

4. The tapered roller bearing assembly tool according to claim 3, characterized in that: The clamping claw (14) is designed as an arc-shaped structure, a clamping protection pad (15) is provided on the clamping surface of the clamping claw (14), and an auxiliary clamping screw (20) is installed on the outer side of the clamping seat (17).

5. The tapered roller bearing assembly tool according to claim 4, characterized in that: A rotating motor (22) is installed in the rotating power box (1), a driving gear (23) is installed on the main shaft of the rotating motor (22), a driven gear (24) is meshed with the side of the driving gear (23), and the driven gear (24) is installed on a rotating rod, and the upper end of the rotating rod is fixedly connected to the placement plate (2).

6. The tapered roller bearing assembly tool according to claim 5, characterized in that: A positioning sleeve (25) is provided on the upper portion of the driven gear (24), a support bearing (26) is provided at the matching position between the rotating shaft and the rotating support seat (13), and a bearing end cover (27) is provided above the support bearing (26).

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