CN210650513U

CN210650513U - Special extracting tool of bearing

Info

Publication number: CN210650513U
Application number: CN201921346735.4U
Authority: CN
Inventors: 徐玉声; 徐强; 李丽; 辛青; 厉彦志
Original assignee: Rizhao Port Group Co ltd
Current assignee: Rizhao Port Group Co ltd
Priority date: 2019-08-17
Filing date: 2019-08-17
Publication date: 2020-06-02
Anticipated expiration: 2029-08-17

Abstract

The utility model discloses a special extracting tool of bearing relates to the bearing and dismantles technical field. This special extracting tool of bearing, including the drum, the bottom surface thread mounting of drum has the base, the top surface rotation of base installs the threaded rod, the top surface fixed mounting of threaded rod has the grab handle, ball nut is installed to the outer wall screw thread of threaded rod, ball nut's one side bottom surface fixed mounting has first vertical pole, ball nut's opposite side bottom surface fixed mounting has the vertical pole of second. This special extracting tool of bearing, through the threaded rod, ball nut, first vertical pole, the vertical pole of second, first stopper, second stopper, first horizontal pole and the second horizontal pole that set up, convenient to detach, avoided artifical bearing damage that dismantles and cause, alleviate workman's intensity of labour, eliminate follow-up part equipment quality hidden danger and labour saving and time saving's purpose.

Description

Special extracting tool of bearing

Technical Field

The utility model relates to a bearing dismantles technical field, specifically is a special extracting tool of bearing.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process, and guarantee its gyration precision, can bear radial load by nature, and the variety of bearing is numerous, is widely used in various mechanical structures.

The existing bearing needs to be periodically disassembled for maintenance and lubricating oil addition in order to guarantee the service life, however, the bearing structure is precise, the bearing installed in the cylinder structure is difficult to disassemble, manual disassembly easily damages the bearing structure, and therefore a special disassembling tool for the bearing is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special extracting tool of bearing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the improved structure of the screw rod comprises a cylinder, the bottom surface of cylinder threaded mounting has the base, the top surface of base rotates and installs the threaded rod, the top surface fixed mounting of threaded rod has the grab handle, ball nut is installed to the outer wall screw thread of threaded rod, ball nut's one side bottom surface fixed mounting has first vertical pole, ball nut's opposite side bottom surface fixed mounting has the second vertical pole, the bottom surface fixed mounting of first vertical pole has first stopper, the bottom surface fixed mounting of the vertical pole of second has the second stopper, the articulated first horizontal pole of installing of one side surface of first vertical pole, the articulated second horizontal pole of installing of one side surface of the vertical pole of second, the equal fixed mounting of both sides surface of ball nut has the slider.

Preferably, the threaded rod is detachably connected with the grab handle through a bolt, and the angle of the intersection included angle between the threaded rod and the grab handle is 90 degrees.

Preferably, the two sets of sliding blocks are positioned on the same straight line, and the inner wall of the cylinder is provided with two sets of sliding grooves and the sliding blocks extend into the straight sliding grooves.

Preferably, the angle of the intersection included angle between the first limiting block and the first vertical rod is 90 degrees, the first cross rod is located above the first limiting block, the angle of the intersection included angle between the second limiting block and the second vertical rod is 90 degrees, and the second cross rod is located above the second limiting block.

Preferably, the outer wall of the middle part of the grab handle is sleeved with a rubber sleeve, and the outer wall of the rubber sleeve is coated with a frosted coating.

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

the special dismounting tool for the bearing is characterized in that a threaded rod, a ball nut, a first vertical rod, a second vertical rod, a first limiting block, a second limiting block, a first transverse rod and a second transverse rod are arranged, the first vertical rod and the second vertical rod below the ball nut penetrate through a hole in the middle of an inner ring, the first transverse rod and the second transverse rod are limited by the hole in the middle of the inner ring and are respectively attached to the first vertical rod and the second vertical rod, when a hinged mounting point of the first transverse rod and the second transverse rod is completely positioned below the bearing, the first transverse rod and the second transverse rod are not limited by an inner ring hole, the first transverse rod and the second transverse rod automatically move under the influence of gravity, the angle of an intersected included angle between the first transverse rod and the first vertical rod is 90 degrees, the angle of an intersected included angle between the second transverse rod and the second vertical rod is 90 degrees, the movable range of the first transverse rod is limited by the first limiting block at the bottom of the first vertical rod, the maximum movable range of the first cross rod is 90 degrees, the second limiting block at the bottom of the second vertical rod limits the movable range of the second cross rod, the maximum movable range of the second cross rod is 90 degrees, the handle is tightly held by a hand to rotate, the threaded rod is driven to rotate, the ball nut moves upwards, the ball nut is the same as the ball screw pair principle, the first cross rod and the second cross rod are in a completely unfolding state, the first cross rod and the second cross rod are located on the same straight line and cannot penetrate through a hole in the middle of the inner ring in the bearing structure, so that the bearing is upwards pulled out, the disassembly is convenient, the damage to the bearing caused by manual disassembly is avoided, the labor intensity of workers is reduced, and the purposes of eliminating the quality hidden danger of subsequent component assembly and saving time and labor are achieved.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is an enlarged view of a in fig. 2 according to the present invention.

In the figure: 1 cylinder, 2 threaded rods, 3 grab handles, 4 bases, 5 bearings, 6 ball nuts, 7 first vertical rods, 8 second vertical rods, 9 first limiting blocks, 10 second limiting blocks, 11 first cross rods, 12 second cross rods, 13 sliding grooves and 14 sliding blocks.

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. 1-3, the present invention provides a technical solution: a special dismounting tool for a bearing comprises a cylinder 1, a base 4 is installed on the outer surface of the bottom of the cylinder 1 in a threaded manner, the base 4 can be disassembled and assembled in a rotatable manner, a threaded rod 2 is installed on the outer surface of the top of the base 4 in a rotating manner, a grab handle 3 is fixedly installed on the outer surface of the top of the threaded rod 2 to facilitate hand holding operation, a ball nut 6 is installed on the outer wall of the threaded rod 2 in a threaded manner, the structures of the threaded rod 2 and the ball nut 6 are the same as the ball screw pair principle in the prior art and can convert rotary motion into linear motion, a first vertical rod 7 is fixedly installed on the outer surface of the bottom of one side of the ball nut 6, a second vertical rod 8 is fixedly installed on the outer surface of the bottom of the other side of the ball nut 6, a first limiting block 9 is fixedly installed on the, the outer surface of one side of first vertical pole 7 articulates installs first horizontal pole 11, the outer surface of one side of second vertical pole 8 articulates installs second horizontal pole 12, the first stopper 9 of first vertical pole 7 bottom restricts the home range of first horizontal pole 11, make the biggest home range of first horizontal pole 11 be 90, the second stopper 10 of second vertical pole 8 bottom restricts the home range of second horizontal pole 12, make the biggest home range of second horizontal pole 12 be 90, the equal fixed mounting in both sides surface of ball nut 6 has slider 14.

The threaded rod 2 is detachably connected with the grab handle 3 through a bolt, the threaded rod 2 is detachable from the grab handle 3, the angle of an intersection included angle between the threaded rod 2 and the grab handle 3 is 90 degrees, two groups of sliding blocks 14 are positioned on the same straight line, the inner wall of the cylinder 1 is provided with two groups of sliding grooves 13, the sliding blocks 14 extend into the straight sliding grooves 13, the sliding blocks 14 are combined with the sliding grooves 13 to limit the ball nuts 6, so that the ball nuts 6 cannot rotate, when the threaded rod 2 rotates, the ball nuts 6 can vertically move, the angle of an intersection included angle between the first limiting block 9 and the first vertical rod 7 is 90 degrees, the first cross rod 11 is positioned above the first limiting block 9, the angle of an intersection included angle between the second limiting block 10 and the second vertical rod 8 is 90 degrees, the second cross rod 12 is positioned above the second limiting block 10, the outer wall of the middle part of the grab handle 3 is, the rubber sleeve made of the rubber material has high flexibility, and improves the comfort level and the anti-skid effect when being held by hands.

When the device is used, two groups of sliding blocks 14 on the outer wall of the ball nut 6 are aligned to a sliding groove 13 on the inner wall of the cylinder 1, the ball nut 6 is placed in the cylinder 1 in a sliding mode, the bottom of the ball nut 6 is attached to the top of the bearing 5, the structure of the bearing 5 mainly comprises an inner ring and an outer ring, meanwhile, a first vertical rod 7 and a second vertical rod 8 below the ball nut 6 penetrate through a hole in the middle of the inner ring, a first cross rod 11 and a second cross rod 12 are limited by the hole in the middle of the inner ring and are respectively attached to the first vertical rod 7 and the second vertical rod 8, when a hinge mounting point of the first cross rod 11 and the second cross rod 12 is completely located below the bearing 5, the first cross rod 11 and the second cross rod 12 are not limited by the hole of the inner ring, the first cross rod 11 and the second cross rod 12 automatically move under the influence of gravity, at the moment, the intersection angle between the first cross rod 11 and the first vertical rod, the angle of the intersection included angle between the second cross rod 12 and the second vertical rod 8 is 90 degrees, the first limit block 9 at the bottom of the first vertical rod 7 limits the moving range of the first cross rod 11, so that the maximum moving range of the first cross rod 11 is 90 degrees, the second limit block 10 at the bottom of the second vertical rod 8 limits the moving range of the second cross rod 12, so that the maximum moving range of the second cross rod 12 is 90 degrees, a bolt between the threaded rod 2 and the grab handle 3 is screwed down by a knob, the threaded rod 2 is separated from the grab handle 3, the threaded rod 2 penetrates through an inner ring of the bearing 5 and a screw hole in the middle of the ball nut 6 from bottom to top, at the moment, the threaded rod 2 protrudes from the top of the cylinder 1, the knob of the base 4 is arranged at the bottom of the cylinder 1, the grab handle 3 is assembled with the threaded rod 2, the rubber sleeve in the middle of the grab handle 3 is held by a hand to rotate, the, the principle is the same as that of the ball screw pair, the first cross bar 11 and the second cross bar 12 are in a completely extended state, and the first cross bar 11 and the second cross bar 12 are located on the same straight line and cannot pass through a hole in the middle of an inner ring in the structure of the bearing 5, so that the bearing 5 is pulled out upwards.

In summary, the following steps: the bearing is convenient to disassemble, the bearing damage caused by manual disassembly is avoided, the labor intensity of workers is reduced, the hidden danger of the subsequent component assembling quality is eliminated, and the purposes of time saving and labor saving are achieved.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special extracting tool of bearing, includes drum (1), its characterized in that: the bottom outer surface of the cylinder (1) is provided with a base (4) in a threaded manner, the top outer surface of the base (4) is provided with a threaded rod (2) in a rotating manner, the top outer surface of the threaded rod (2) is provided with a grab handle (3) in a fixed manner, the outer wall of the threaded rod (2) is provided with a ball nut (6) in a threaded manner, the bottom outer surface of one side of the ball nut (6) is provided with a first vertical rod (7) in a fixed manner, the bottom outer surface of the other side of the ball nut (6) is provided with a second vertical rod (8) in a fixed manner, the bottom outer surface of the first vertical rod (7) is provided with a first limiting block (9) in a fixed manner, the bottom outer surface of the second vertical rod (8) is provided with a second limiting block (10) in a fixed manner, the outer surface of one side of the first vertical rod (, and sliders (14) are fixedly mounted on the outer surfaces of the two sides of the ball nut (6).

2. The special dismounting tool for the bearing of claim 1, wherein: threaded rod (2) and grab handle (3) are connected through the bolt is detachable, the angle of crossing contained angle between threaded rod (2) and grab handle (3) is 90.

3. The special dismounting tool for the bearing of claim 1, wherein: the two groups of sliding blocks (14) are positioned on the same straight line, the inner wall of the cylinder (1) is provided with two groups of sliding grooves (13), and the sliding blocks (14) extend into the straight sliding grooves (13).

4. The special dismounting tool for the bearing of claim 1, wherein: the angle of the intersection included angle between the first limiting block (9) and the first vertical rod (7) is 90 degrees, the first cross rod (11) is located above the first limiting block (9), the angle of the intersection included angle between the second limiting block (10) and the second vertical rod (8) is 90 degrees, and the second cross rod (12) is located above the second limiting block (10).

5. A special bearing dismounting tool according to claim 1 or 2, characterized in that: the outer wall of the middle part of the grab handle (3) is sleeved with a rubber sleeve, and the outer wall of the rubber sleeve is coated with a frosted coating.