CN214519924U

CN214519924U - Deep groove ball bearing inner ring extracting tool

Info

Publication number: CN214519924U
Application number: CN202120617664.8U
Authority: CN
Inventors: 陈晓峰; 李培茂; 罗军; 任勇; 李学军; 陈沛杉
Original assignee: China Tobacco Sichuan Industrial Co Ltd
Current assignee: China Tobacco Sichuan Industrial Co Ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-10-29
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a deep groove ball bearing inner ring dismounting tool, which comprises a first semicircular locking ring and a second semicircular locking ring, first retainer plate and second retainer plate, first semicircle retainer plate and second semicircle retainer plate are the semicircle ring-type, are provided with first semicircle boss in the middle of the first semicircle retainer plate inner ring, are provided with second semicircle boss in the middle of the second semicircle retainer plate inner ring, first semicircle boss and second semicircle boss are used for closely cooperating with deep groove ball bearing inner ring recess, first semicircle retainer plate and second semicircle retainer plate are through high strength bolted connection and fixed, first retainer plate with the second retainer plate is the ring form, first retainer plate and second retainer plate are connected in the both sides of first semicircle retainer plate and second semicircle retainer plate through many high strength bolts, and the puller is used for the second retainer plate to realize dismantling deep groove ball bearing inner ring. The tool can realize safe and quick disassembly of the inner ring of the deep groove ball bearing, and can also greatly reduce the labor intensity.

Description

Deep groove ball bearing inner ring extracting tool

Technical Field

The utility model relates to a cigarette equipment production appurtenance technical field especially relates to a deep groove ball bearing inner circle extracting tool.

Background

The original single-row radial ball bearing of the deep groove ball bearing is a rolling bearing which is most widely applied. In the cigarette silk making line, up to thousands of deep groove ball bearings are used, and various devices of a silk making production line are involved. Maintenance and replacement of the deep groove ball bearing are one of high-frequency transmission works. When the bearing is replaced, the bearing outer ring and the ball are damaged (particularly, the outer ring is damaged in the process of disassembling the inner ring too tightly), and only the condition that the bearing inner ring and the shaft are clamped together is left, so that the bearing inner ring is extremely difficult to disassemble. The disassembling work has the following difficulties:

1. the bearing installation generally adopts one end limit step to block the bearing inner race and fixes a position, and the location end (be limit step one end promptly) is with demolish opposite direction, because the bearing inner race external diameter exceeds limit step distance size less, consequently can't use tools such as draw the horse.

2. The reverse direction of bearing removal is generally provided with transmission parts (such as a conveyor belt roller, a gear and the like), and the workpieces can block the position of the hammer for knocking the inner ring.

SUMMERY OF THE UTILITY MODEL

The utility model provides a deep groove ball bearing inner circle extracting tool to solve the big problem of the degree of difficulty is dismantled to deep groove ball bearing inner circle among the prior art.

The utility model adopts the technical proposal that: the utility model provides a deep groove ball bearing inner ring extracting tool, includes first semicircle locking collar, second semicircle locking collar, first retainer plate and second retainer plate, first semicircle locking collar with the second semicircle locking collar is the semicircle ring-type, be provided with first semicircle boss in the middle of the first semicircle locking collar inner ring, be provided with second semicircle boss in the middle of the second semicircle locking collar inner ring, first semicircle boss and second semicircle boss are used for closely cooperating with deep groove ball bearing inner ring recess, first semicircle locking collar with the second semicircle locking collar pass through high strength bolted connection and be fixed in on deep groove ball bearing inner ring recess, first retainer plate with the second retainer plate is the ring form, first retainer plate with the second retainer plate pass through many high strength bolted connection in the both sides of first semicircle locking collar with the second semicircle locking collar, and the puller acts on the second fixing ring to realize the disassembly of the inner ring of the deep groove ball bearing.

Furthermore, two end faces of the first semicircular locking ring are respectively provided with a first threaded hole, two end faces of the second semicircular locking ring are respectively provided with a second threaded hole, the second threaded holes are through holes, and high-strength bolts penetrate through the second threaded holes and then are connected into the first threaded holes to complete connection between the first semicircular locking ring and the second semicircular locking ring.

Furthermore, first semicircle locking washer, second semicircle locking washer, first retainer plate and second retainer plate are stainless steel.

The utility model has the advantages that: the utility model discloses the operation mode of generally dismantling through cutting deep groove ball bearing inner circle has been changed, avoids the damage because of cutting deep groove ball bearing inner circle counter shaft causes. Compared with the mode of cutting the inner ring of the deep groove ball bearing, the method has the advantages of being less limited by the operation space and not damaging other workpieces. Use the utility model discloses an instrument not only can realize safe, quick dismantlement deep groove ball bearing inner circle, can also greatly reduced intensity of labour.

Drawings

Fig. 1 is the utility model discloses a first semicircle clamping ring and second semicircle clamping ring do not install the structure schematic diagram that circles in deep groove ball bearing.

Fig. 2 is the utility model discloses a circle structural schematic diagram in deep groove ball bearing is installed to first semicircle clamping ring and second semicircle clamping ring.

Fig. 3 is the utility model discloses a first retainer plate and second retainer plate install the schematic structure on first semicircle clamping ring and second semicircle clamping ring.

Reference numerals: 1. a shaft; 2. an inner ring of the deep groove ball bearing; 3. a limiting step; 4. a gear; 5. a first semicircular locking ring; 51. a first semicircular boss; 52. a first threaded hole; 6. a second semicircular locking ring; 61. a second semi-circular boss; 62. a second threaded hole; 7. a first retainer ring; 8. a second retainer ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, but the embodiments of the present invention are not limited thereto.

Referring to fig. 1, in the prior art, an inner ring 2 of a deep groove ball bearing is mounted on a shaft 1, a limiting step 3 limits the inner ring 2 of the deep groove ball bearing, and a gear 4 is mounted on the shaft 1. The inner ring 2 of the deep groove ball bearing exceeds the limiting step 3 by too small a height, so that a puller cannot be directly used; and because the sheltering from of gear 4, so can't use the hammer to beat deep groove ball bearing inner circle 2, be between here, the utility model relates to a can conveniently dismantle extracting tool of deep groove ball bearing inner circle.

Referring to fig. 1-3, a deep groove ball bearing inner ring dismounting tool comprises a first semicircular locking ring 5, a second semicircular locking ring 6, a first fixing ring 7 and a second fixing ring 8.

Referring to fig. 1, the first semicircular locking ring 5 and the second semicircular locking ring 6 are both semicircular rings, a first semicircular boss 51 is arranged in the middle of the inner ring of the first semicircular locking ring 5, and a second semicircular boss 61 is arranged in the middle of the inner ring of the second semicircular locking ring 6. The first semicircular boss 51 and the second semicircular boss 61 are used for being tightly matched with a groove of the deep groove ball bearing inner ring 2, so that the first semicircular locking ring 5 and the second semicircular locking ring 6 can uniformly apply acting force on the deep groove ball bearing inner ring 2 by 360 degrees. Two end faces of the first semicircular locking ring 5 are respectively provided with a first threaded hole 52, two end faces of the second semicircular locking ring 6 are respectively provided with a second threaded hole 62 or a through hole, the second threaded holes 62 are through holes, referring to fig. 2, a high-strength bolt penetrates through the second threaded holes 62 and then is connected into the first threaded hole 52, and the first semicircular locking ring 5 and the second semicircular locking ring 6 are connected and fixed on a groove of the deep groove ball bearing inner ring 2. Preferably, the first threaded hole 52 and the second threaded hole 62 are stepped holes, so that the nuts of the high-strength bolts do not protrude through the first semicircular locking ring 5 and the second semicircular locking ring 6. The first semicircular locking ring 5 and the second semicircular locking ring 6 are integrally processed and then are subjected to heat treatment to increase the strength.

Referring to fig. 2-3, first retainer plate 7 and second retainer plate 8 are the ring form, set up 6 threaded through holes on first retainer plate 7, respectively set up 6 via holes or threaded through hole on second retainer plate 8, first retainer plate 7 and second retainer plate 8 are in the both sides of first semicircle clamping ring 5 and second semicircle clamping ring 6 through 6 high strength bolt connections, and the effect is fixed once more first semicircle clamping ring 5 and second semicircle clamping ring 6, increase strength (because the intensity of first semicircle clamping ring 5 and second semicircle clamping ring 6 is not enough, so the utility model discloses do not directly act on first semicircle clamping ring 5 and second semicircle clamping ring 6 with the lama). The inner circle diameter of the first fixing ring 7 and the second fixing ring 8 needs to be smaller than the outer diameter of a circle formed by combining the first semicircular locking ring 5 and the second semicircular locking ring 6, and the diameter of the inscribed circle of the 6 threaded through holes is equal to the diameter of the first semicircular locking ring 5 and the second semicircular locking ring 6.

In order to further increase the strength, the first semicircular locking ring 5, the second semicircular locking ring 6, the first fixing ring 7 and the second fixing ring 8 are all made of stainless steel.

When the tool is used, the fixing of the deep groove ball bearing inner ring 2 by the tool is firstly completed, then the deep groove ball bearing inner ring is disassembled by a hydraulic puller, and the acting points of the puller are a second fixing ring 8 and a shaft 1. The tool has high strength and can bear the strength of a 5T hydraulic puller at least without deformation. The deep groove ball bearing can be processed into tools with different specifications aiming at different types, so that the deep groove ball bearing becomes a complete set of tools.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A deep groove ball bearing inner ring dismounting tool is characterized by comprising a first semicircular locking ring, a second semicircular locking ring, a first fixing ring and a second fixing ring, wherein the first semicircular locking ring and the second semicircular locking ring are semicircular rings, a first semicircular boss is arranged in the middle of an inner ring of the first semicircular locking ring, a second semicircular boss is arranged in the middle of an inner ring of the second semicircular locking ring, the first semicircular boss and the second semicircular boss are used for being tightly matched with a deep groove ball bearing inner ring groove, the first semicircular locking ring and the second semicircular locking ring are connected through high-strength bolts and fixed on the deep groove ball bearing inner ring groove, the first fixing ring and the second fixing ring are circular rings, the first fixing ring and the second fixing ring are connected on two sides of the first semicircular locking ring and the second semicircular locking ring through a plurality of high-strength bolts, and the puller acts on the second fixing ring to realize the disassembly of the inner ring of the deep groove ball bearing.

2. The deep groove ball bearing inner ring dismounting tool of claim 1, wherein two end faces of the first semicircular locking ring are respectively provided with a first threaded hole, two end faces of the second semicircular locking ring are respectively provided with a second threaded hole, the second threaded holes are through holes, and a high-strength bolt passes through the second threaded holes and then is connected in the first threaded holes to complete connection between the first semicircular locking ring and the second semicircular locking ring.

3. The deep groove ball bearing inner ring dismounting tool of claim 1, wherein the first semicircular locking ring, the second semicircular locking ring, the first fixing ring and the second fixing ring are all made of stainless steel.