Double-clip type bearing dismounting tool

Abstract

The utility model relates to a double-clip type bearing dismounting tool which comprises a hand wheel disc, a conical screw rod, a fixing plate, a first through screw rod, a second through screw rod and a chuck, the hand wheel disc is fixedly connected to the upper end of the conical screw rod, the conical screw rod is installed in the middle of the fixing plate in a rotating mode and penetrates through the fixing plate, and the left end and the right end of the fixing plate are fixedly connected with the first through screw rod and the second through screw rod respectively. The other end of the first through screw rod is fixed to a third through hole in the chuck, the other end of the second through screw rod is fixed to a fourth through hole in the chuck, a shaft is arranged below the conical screw rod, the conical screw rod and the shaft are coaxially arranged and oppositely arranged, a bearing is fixed to the shaft, the shaft is clamped in the chuck, and the open end of the chuck is detachably connected through a double-end screw rod. The conical screw rod is driven by the rotation of the rotary hand wheel disc to slide up and down so as to abut against the center of the shaft and pull out the bearing reversely; the tool is convenient and fast to transport, can be assembled on site, greatly improves the efficiency and the universality of the tool, is convenient to disassemble, and avoids the defect that the traditional operation and maintenance of the bearing is limited.

Description

[TECHNICAL FIELD]

[0001] The utility model relates to the technical field of operation and maintenance tooling, and particularly relates to a split clamp type bearing dismounting tool. [BACKGROUND]

[0002] Pump is a common carrier in industrial and life fields, and water pump accounts for a high proportion. When the pump needs to be operated and maintained and the bearing is replaced, special tools or professional repair points are needed for replacement, which is very inconvenient in transportation and repair, especially the bearing extraction is a difficulty, which not only consumes a long time in time, but also is low in efficiency. [SUMMARY]

[0003] The utility model discloses a split clamp type bearing dismounting tool which is simple in structure, convenient to operate and convenient to transport and can be assembled on site, and the efficiency and the universality of the tool are greatly improved. The tool can be assembled and disassembled according to actual working conditions on site, and is convenient to disassemble, so that the defects of traditional bearing operation and maintenance are avoided.

[0004] To achieve the above-mentioned purpose, a split clamp type bearing dismounting tool is designed, which comprises a hand wheel disc 1, a taper screw rod 4, a fixed plate 9, a through screw rod one 11, a through screw rod two 22 and a chuck 30. The hand wheel disc 1 is fixedly connected to the upper end of the taper screw rod 4. The taper screw rod 4 is rotatably connected to the middle part of the fixed plate 9 and penetrates through the fixed plate 9. The fixed plate 9 is fixedly connected with the through screw rod one 11 and the through screw rod two 22 at the left and right ends respectively. The other end of the through screw rod one 11 is fixed to the through hole three 18 on the chuck 30. The other end of the through screw rod two 22 is fixed to the through hole four 31 on the chuck 30. The taper screw rod 4 is provided below with a shaft 28. The taper screw rod 4 and the shaft 28 are coaxially arranged and oppositely arranged. The shaft 28 is fixedly connected with a bearing 21. The shaft 28 is clamped in the chuck 30. The chuck 30 is of a split clamp type structure. The open end of the chuck 30 is detachably connected through a double-head screw rod 12. The taper screw rod 4 slides up and down under the rotation of the hand wheel disc 1 to press against the center of the shaft 28 and pull out the bearing 21 in the opposite direction.

[0005] Further, the taper screw rod 4 is provided at the end with a wedge key groove 3. A key groove two is arranged in the mounting hole in the center of the hand wheel disc 1. The wedge key groove 3 and the key groove two are correspondingly arranged, and a wedge key 2 is arranged in the wedge key groove 3 and the key groove two. The hand wheel disc 1 and the taper screw rod 4 are fixedly connected by embedding the wedge key 2 into the wedge key groove 3 and the key groove two, so that the hand wheel disc 1 can be prevented from falling off during operation.

[0006] Further, the through wire rod one 11 one end passes through the fixed plate 9, and is fixedly connected with the fixed plate 9 through the nut two 8, and the other end of the through wire rod one 11 is fixed with the through hole three 18 through the nut three 14; the through wire rod two 22 one end passes through the fixed plate 9, and is fixedly connected with the fixed plate 9 through the nut one 5, and the other end of the through wire rod two 22 is fixed with the through hole four 31 through the nut five 23.

[0007] Further, the fixed plate 9 one end is provided with the notch 6, the through wire rod two 22 one end is embedded in the fixed plate 9 through the notch 6, and the other end of the fixed plate 9 is provided with the through hole one 10, and the through wire rod one 11 one end is fixed in the fixed plate 9 through the through hole one 10.

[0008] Further, the fixed plate 9 middle part is equipped with the round slot hole 7, the round slot hole 7 is fixed with the screw rod nut 13, and the taper wire rod 4 is screwed in the screw rod nut 13 to realize the function of up and down sliding.

[0009] Further, the chuck 30 includes left chuck and right chuck, the left chuck and the right chuck are half circular structure, one end of the left chuck and the right chuck is rotatably connected through the bolt 24, and the other end of the left chuck and the right chuck is detachably connected through the double head screw rod 12.

[0010] Further, the left chuck one end is provided with the hinge piece one 15, the right chuck one end is provided with the hinge piece two 29, the bolt 24 is screwed in the hinge piece one 15 and the hinge piece two 29, and is fixed with the hinge piece one 15 and the hinge piece two 29 as a whole through the nut six 25, so as to realize the left and right opening of the chuck 30.

[0011] Further, the other end of the left chuck is provided with the through hole two 17, the other end of the right chuck is provided with the through hole five 33, the double head screw rod 12 is inserted in the through hole two 17 and the through hole five 33, and is fixed through the nut four 16 and the nut seven 26.

[0012] Further, the left chuck and the right chuck are provided with the jaw one 19 and the jaw two 32 respectively, the jaw one 19 and the jaw two 32 are coincided through the hinge, and the double head screw rod 12 is inserted in the through hole two 17 and the through hole five 33, the jaw one 19 and the jaw two 32 are provided with the triangular mouth 20 and the triangular tooth 27 respectively on the coinciding surface, the triangular mouth 20 and the triangular tooth 27 are coincided after the double head screw rod 12 is tightened, so that when the clamp is deformed, the two are clamped to play a protection role, and when the two are misaligned greatly, the clamp needs to be adjusted.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] (1) The utility model discloses can adjust the opening degree according to the size of actual pump group, realize its one multi -functional function;

[0015] (2) The utility model discloses can be disassembled on structure, adjusts according to the time working condition of the scene, has obtained the very big promotion on efficiency and the general use of tooling;

[0016] (3) The utility model discloses the up and down sliding of hand wheel disc rotation screw rod to extract the bearing of fastening, convenient to disassemble, avoid the defects of traditional operation and maintenance bearing restriction;

[0017] (4) The utility model discloses convenient transportation can be assembled on the scene, simple structure and convenient operation, only need to assemble and disassemble according to the actual working condition of the scene, utilize the resultant force of the force of screw rod to pull out, this tooling is convenient to carry, convenient to transport, and it is worth promoting application. [DETAILED DESCRIPTION]

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the front structure schematic diagram of the utility model;

[0020] Figure 3 It is the explosion drawing of the utility model;

[0021] In the drawing: 1, hand wheel disc;2, wedge key;3, wedge key groove;4 taper screw;5, nut one;6, slot;7, round slot hole;8, nut two;9, fixed plate;10, pass through hole one;11, pass through screw one;12, double -end screw;13, screw nut;14, nut three;15, hinge piece one;16, nut four;17, pass through hole two;18, pass through hole three;19, jaw one;20, triangular mouth;21, bearing;22 pass through screw two;23, nut five;24, bolt;25, nut six;26, nut seven;27, triangular tooth;28, shaft;29, hinge piece two;30, chuck;31, pass through hole four;32 jaw two;33, pass through hole five. [DETAILED DESCRIPTION]

[0022] As attached Figure 1 to attached Figure 3The utility model provides a kind of to clamp bearing dismounting frock, including hand wheel disc 1, taper screw rod 4, fixed plate 9, through wire rod one 11, through wire rod two 22 and chuck 30, hand wheel disc 1 is fixedly connected on taper screw rod 4 upper end, taper screw rod 4 is screwed in the middle part of fixed plate 9 and passes through fixed plate 9, and the left and right ends of fixed plate 9 are fixedly connected with through wire rod one 11, through wire rod two 22, and the other end of through wire rod one 11 is fixed with the pair of through hole three 18 on chuck 30, and the other end of through wire rod two 22 is fixed with the pair of through hole four 31 on chuck 30, taper screw rod 4 below is provided with shaft 28, and taper screw rod 4 is coaxially arranged with shaft 28 and oppositely arranged, and bearing 21 is fixed on shaft 28, and shaft 28 is clamped in chuck 30, and chuck 30 is to clamp structure, and the open end of chuck 30 is detachably connected by double-end screw rod 12, and taper screw rod 4 is slid up and down under the rotation driving of rotating hand wheel disc 1, to top the center of shaft 28 and reversely pull out bearing 21;Taper screw rod 4 end is provided with wedge key groove 3, and mounting hole in the center of hand wheel disc 1 is equipped with key groove two, wedge key groove 3 and key groove two are correspondingly arranged, and wedge key groove 3 and key groove two are built-in wedge key 2, and hand wheel disc 1 is fixedly connected with taper screw rod 4 by embedding wedge key 2 into wedge key groove 3 and key groove two, so as to prevent hand wheel disc 1 from falling off during operation.

[0023] Wherein, through wire rod one 11 one end passes through fixed plate 9, and is fixedly connected fixed plate 9 by nut two 8, and the other end of through wire rod one 11 is fixed with the pair of through hole three 18 by nut three 14;Through wire rod two 22 one end passes through fixed plate 9, and is fixedly connected fixed plate 9 by nut one 5, and the other end of through wire rod two 22 is fixed with the pair of through hole four 31 by nut five 23.Fixed plate 9 one end is provided with notch 6, and one end of through wire rod two 22 is embedded in fixed plate 9 by notch 6, and the other end of fixed plate 9 is provided with the pair of through hole one 10, and one end of through wire rod one 11 is fixed in fixed plate 9 by the pair of through hole one 10;Fixed plate 9 middle part is equipped with round groove hole 7, and screw rod nut 13 is fixed in round groove hole 7, and taper screw rod 4 is screwed in screw rod nut 13, to realize the function of sliding up and down.

[0024] The utility model discloses, chuck 30 includes left chuck and right chuck, and left chuck and right chuck are all semicircular structure, and one end of left chuck and right chuck is rotatablely connected through bolt 24, and the other end of left chuck and right chuck is detachably connected through double -end screw 12, one end of left chuck is provided with hinge piece no. 15, and one end of right chuck is provided with hinge piece no. 29, and bolt 24 is worn in hinge piece no. 15 and hinge piece no. 29, and is fixed as an organic whole through nut six 25 and hinge piece no. 15, hinge piece no. 29 to realize the left and right opening of chuck 30, and the other end of left chuck is provided with pair of holes no. 17, and the other end of right chuck is provided with pair of holes no. 33, and double -end screw 12 is inserted in pair of holes no. 17 and pair of holes no. 33, and is fixed through nut four 16 and nut seven 26, and the inboard of left chuck and right chuck is provided with jaw no. 1 19, jaw no. 2 32 respectively, and jaw no. 1 19 and jaw no. 2 32 are overlapped through hinge, and double -end screw 12 is inserted in pair of holes no. 17 and pair of holes no. 33 and is fixed, and jaw no. 1 19 and jaw no. 2 32 are overlapped respectively on the face of jaw no. 1 19 and jaw no. 2 32, and are provided with triangular mouth 20, triangular tooth 27 respectively, and triangular mouth 20 and triangular tooth 27 are overlapped after the tightening of double -end screw 12, so that when the deformation of clamp appears, the protection of one kind is played to the clamping of two, and when the dislocation of two is big, then the stress of clamp needs to be adjusted.

[0025] The utility model will be further described below in connection with the drawings:

[0026] A kind of chucking type bearing dismounting tool, including hand wheel disc 1, wedge key 2, wedge key groove 3, taper screw 4, nut one 5, slot 6, round slot hole 7, nut two 8, fixed plate 9, pair of holes one 10, through screw rod one 11, double -end screw 12, screw rod nut 13, nut three 14, hinge piece no. 15, nut four 16, pair of holes no. 17, pair of holes no. 3 18, jaw no. 1 19, triangular mouth 20, bearing 21, through screw rod two 22, nut five 23, bolt 24, nut six 25, nut seven 26, triangular tooth 27, shaft 28, hinge piece no. 29, chuck 30, pair of holes no. 4 31, jaw no. 2 32 and pair of holes no. 5 33;After fixed plate 9, wedge key 2 is inlaid into wedge key groove 3, so that hand wheel disc 1 appears the situation of falling off in operating process after fixed plate 9, wedge key 2, slot 6 is used for the embedding fixed of through screw rod two 22, and screw rod nut 13 is fixed to round slot hole 7, realizes the function of up and down sliding;Through fixed plate 9, one end of through screw rod one 11 is fixed with pair of holes no. 3 18, and nut three 14 is used for fixed through screw rod one 11;Through fixed plate 9, one end of through screw rod two 22 is fixed with pair of holes no. 4 31, and nut one 5 is used for fixed through screw rod two 22;Through screw rod and chuck form a force support;

[0027] The bearing 21 is fixed on the shaft 28, and when on-site operation and maintenance are required, the bearing 21 needs to be pulled out, the first jaw 19 and the second jaw 32 are overlapped through the hinge, and the double-end screw rod 12 is fixed in the through hole two 17 and the through hole five 33, the hand wheel disc 1 is rotated, the taper screw rod 4 is worked downward, the center point of the shaft 28 is pressed, the bearing 21 is pulled out in the opposite direction, and the bearing 21 is separated from the shaft 28 according to force analysis.

[0028] The hinge piece two 29 and the hinge piece one 15 are combined together and fixed through the bolt 24 and the nut six 25, the left and right openings of the chuck 30 are realized, and the flexibility of the clamp is increased; when the double-end screw rod 12 is tightened, the triangular port 20 and the triangular tooth 27 are overlapped, when the clamp is deformed, the two are clamped and play a protective role, and when the two are greatly dislocated, the stress of the clamp needs to be adjusted.

[0029] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art, the standard parts used can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional bolt, rivet, welding and other conventional means in the prior art, the mechanical parts and equipment adopt conventional types in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and the like, which will not be described in detail.

[0030] The utility model is not limited by the above-mentioned embodiment, other changes, modifications, substitutions, combinations, simplifications, which are not deviated from the spirit and principles of the utility model, should be equivalent replacement methods, and are all included in the protection scope of the utility model.

Claims

1. A clamp-on bearing dismounting tool, characterized in that: It includes hand wheel disc (1), taper screw rod (4), fixed plate (9), through wire rod one (11), through wire rod two (22) and chuck (30), the hand wheel disc (1) is fixedly connected to the upper end of taper screw rod (4), the taper screw rod (4) is rotatably connected to the middle part of fixed plate (9) and passes through fixed plate (9), the fixed plate (9) is fixedly connected with through wire rod one (11) and through wire rod two (22) at left and right ends respectively, the other end of through wire rod one (11) is fixed with the pair of through holes three (18) on chuck (30), the other end of through wire rod two (22) is fixed with the pair of through holes four (31) on chuck (30), the taper screw rod (4) is provided with shaft (28) below, the taper screw rod (4) is coaxially arranged with shaft (28) and is oppositely arranged, the shaft (28) is fixedly provided with bearing (21), the shaft (28) is clamped in chuck (30), the chuck (30) is of a pair of clamping structure, the opening end of chuck (30) is detachably connected through double head screw rod (12), the taper screw rod (4) is driven to slide up and down by rotating hand wheel disc (1) to top the center of shaft (28) and pull out bearing (21) reversely.

2. The split bearing puller of claim 1, wherein: The end of the taper screw rod (4) is provided with a wedge key groove (3), a key groove two is arranged in the mounting hole of the center of the hand wheel disc (1), the wedge key groove (3) and the key groove two are correspondingly arranged, and a wedge key (2) is arranged in the wedge key groove (3) and the key groove two, the hand wheel disc (1) and the taper screw rod (4) are fixedly connected by embedding the wedge key (2) into the wedge key groove (3) and the key groove two.

3. The split bearing puller of claim 1, wherein: One end of the through wire rod one (11) passes through the fixed plate (9) and is fixedly connected to the fixed plate (9) through the nut two (8), and the other end of the through wire rod one (11) is fixed with the pair of through holes three (18) through the nut three (14); one end of the through wire rod two (22) passes through the fixed plate (9) and is fixedly connected to the fixed plate (9) through the nut one (5), and the other end of the through wire rod two (22) is fixed with the pair of through holes four (31) through the nut five (23).

4. The split bearing puller of claim 1, wherein: One end of the fixed plate (9) is provided with a notch (6), one end of the through wire rod two (22) is embedded in the fixed plate (9) through the notch (6), and the other end of the fixed plate (9) is provided with a pair of through holes one (10), one end of the through wire rod one (11) is fixed in the fixed plate (9) through the pair of through holes one (10).

5. The split bearing puller of claim 1, wherein: The middle part of the fixed plate (9) is provided with a circular groove hole (7), a screw rod nut (13) is fixed in the circular groove hole (7), and the taper screw rod (4) is rotatably connected to the screw rod nut (13) to realize up and down sliding.

6. The split bearing puller of any one of claims 1 to 5, wherein: The chuck (30) includes a left chuck and a right chuck, the left chuck and the right chuck are both semicircular structures, one end of the left chuck and the right chuck is rotatably connected through a bolt (24), and the other end of the left chuck and the right chuck is detachably connected through a double head screw rod (12).

7. The split bearing puller of claim 6, wherein: The left chuck one end is provided with hinge piece one (15), the right chuck one end is provided with hinge piece two (29), the bolt (24) is worn in hinge piece one (15) and hinge piece two (29) and is fixed with hinge piece one (15), hinge piece two (29) by nut six (25) as a whole, to realize the left and right opening of chuck (30).

8. The split bearing puller of claim 7, wherein: The left chuck other end is provided with pair of through hole two (17), the right chuck other end is provided with pair of through hole five (33), the double-end screw rod (12) is worn in pair of through hole two (17) and pair of through hole five (33) and is fixed by nut four (16) and nut seven (26).

9. The split bearing puller of claim 8, wherein: The left chuck, right chuck inner side is provided with jaw one (19), jaw two (32) respectively, jaw one (19) and jaw two (32) coincide by hinge, and double-end screw rod (12) is fixed in pair of through hole two (17) and pair of through hole five (33), the surface of jaw one (19) and jaw two (32) coincide is respectively provided with triangle mouth (20), triangle tooth (27), triangle mouth (20) and triangle tooth (27) coincide after double-end screw rod (12) is tightened.

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