CN211491332U

CN211491332U - Dismounting device for beating roller bearing

Info

Publication number: CN211491332U
Application number: CN201922170192.1U
Authority: CN
Inventors: 周忠垠; 丁定坤; 陈嵘; 刘再宇; 张天垚; 秦绍勇; 汪律; 蒋杰; 刘洋博; 李文杰
Original assignee: Hongta Tobacco Group Co Ltd
Current assignee: Hongta Tobacco Group Co Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-09-15
Anticipated expiration: 2029-12-06

Abstract

The utility model relates to a dismounting device for a rolling bearing, belonging to the field of bearing maintenance equipment; the roller bearing dismounting device comprises two supports, a cross beam, a sleeve and ultrathin hydraulic jacks, wherein the two supports are parallelly mounted at two ends of the cross beam, one ends, far away from the cross beam, of the two supports are provided with through holes, the middle of the cross beam is provided with the ultrathin hydraulic jacks, and the sleeve is arranged between the two supports and is coaxial with the ultrathin hydraulic jacks. By adopting the utility model, the bearing is arranged on the bearing seat, the sleeve is pushed by the ultra-thin hydraulic jack, and the sleeve is pushed against the bearing adapter sleeve, so that the adapter sleeve is loosened, the dismounting operation of the bearing can be carried out by only one person, and the number of maintenance persons is reduced; meanwhile, the traditional mode that the bearing is disassembled through manual heavy hammer hammering is abandoned, and the damage of the heavy hammer hammering to equipment and personal safety is greatly reduced.

Description

Dismounting device for beating roller bearing

Technical Field

The utility model belongs to bearing maintenance equipment field, specifically speaking relates to a beat roller bearing dismounting device.

Background

The threshing roller is the most core part of the threshing machine, the threshing roller rotates at high speed when running, and a bearing of the threshing roller is a vulnerable part and needs to be replaced frequently. When the roll bearing is replaced, the adapter sleeve of the bearing needs to be loosened, so that the bearing is separated from the shaft. The general method for loosening the adapter sleeve is as follows: one person uses the sleeve to sleeve on the bearing to make the end surface of the sleeve contact with the end surface of the adapter sleeve, and the other person uses the heavy hammer to hammer the sleeve to loosen the adapter sleeve after multiple times of hammering, so the operation method needs more than two persons to cooperate. Meanwhile, the knocking force required by the operation method is very large, the hammer needs to be swung vigorously, the risk is extremely high, and the equipment and personal injury are easily caused.

Disclosure of Invention

In order to overcome the problem that exists among the background art, the utility model provides a beating roller bearing dismounting device, the device can cooperate ultra-thin hydraulic jack to use, only alone the operation just can become flexible beating roller bearing adapter sleeve, has avoided swinging hammer hammering to equipment and personal safety's harm simultaneously.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model provides a take roller bearing dismounting device includes support 1, crossbeam 2, sleeve 3, ultra-thin hydraulic jack 4, support 1 have two, two support 1 parallel mount are at the both ends of crossbeam 2, the one end that crossbeam 2 was kept away from to two supports 1 is provided with through-hole 1-1, the middle part of crossbeam 2 is provided with ultra-thin hydraulic jack 4, sleeve 3 sets up between two supports 1, and is coaxial with ultra-thin hydraulic jack 4.

Further, the cross beam 2 is composed of two L-shaped plates, through holes are formed in the bottom plates of the two L-shaped plates, through holes are also formed in the connecting ends of the two supports 1 and the cross beam 2, the two supports 1 are located between the two L-shaped plates, the supports 1 correspond to the through holes in the L-shaped plates one by one, and the supports 1 are fixedly connected with the two L-shaped plates through hexagon socket bolts 2-1 matched with the through holes; the vertical plates of the two L-shaped plates are on the same plane, and the ultrathin hydraulic jack 4 is fixed in the middle of the vertical plates of the two L-shaped plates.

Furthermore, the inner side walls of the two supports 1 are respectively provided with a sliding chute 1-2, and two sides of the sleeve 3 are respectively provided with a sliding strip 3-1 matched with the sliding chute 1-2.

The utility model has the advantages that:

by adopting the utility model, the bearing is arranged on the bearing seat, the sleeve is pushed by the ultra-thin hydraulic jack, and the sleeve is pushed against the bearing adapter sleeve, so that the adapter sleeve is loosened, the dismounting operation of the bearing can be carried out by only one person, and the number of maintenance persons is reduced; meanwhile, the traditional mode that the bearing is disassembled through manual heavy hammer hammering is abandoned, and the damage of the heavy hammer hammering to equipment and personal safety is greatly reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

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

fig. 3 is a schematic structural view of the sleeve of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.

As shown in figure 1, the dismounting device for the rolling bearing comprises two supports 1, a cross beam 2, sleeves 3 and ultrathin hydraulic jacks 4, wherein the two supports 1 are arranged at two ends of the cross beam 2 in parallel, one ends, far away from the cross beam 2, of the two supports 1 are provided with through holes 1-1, the middle of the cross beam 2 is provided with the ultrathin hydraulic jacks 4, and the sleeves 3 are arranged between the two supports 1 and are coaxial with the ultrathin hydraulic jacks 4. Fixing the two supports 1 and parts connected with the supports 1 on a beating roller bearing seat through bolts matched with through holes 1-1 of the two supports 1, sleeving a sleeve 3 on a beating roller shaft, contacting the opening end surface of the sleeve 3 with the end surface of a bearing fastening sleeve, and placing an ultrathin hydraulic jack 4 between the beam 2 and the sleeve 3; and operating the ultrathin hydraulic jack 4, and pushing the sleeve 3 to extrude the sizing sleeve of the roller bearing by the ultrathin hydraulic jack 4 to loosen the sizing sleeve.

In the utility model, the beam 2 is composed of two L-shaped plates, through holes are arranged on the bottom plates of the two L-shaped plates, the connecting ends of the two supports 1 and the beam 2 are also provided with through holes, the two supports 1 are positioned between the two L-shaped plates, the supports 1 correspond to the through holes on the L-shaped plates one by one, and the supports 1 and the two L-shaped plates are fastened and connected through hexagon socket head bolts 2-1 matched with the through holes; the two supports 1 are fixed by adopting the two L-shaped plates through the hexagon socket head cap screws 2-1, so that the stability of the installation of the two supports 1 is ensured, and the two supports 1 are convenient to detach and replace. The vertical plates of the two L-shaped plates are on the same plane, and the ultrathin hydraulic jack 4 is fixed in the middle of the vertical plates of the two L-shaped plates.

As shown in fig. 2 and 3, the inner side walls of the two brackets 1 are respectively provided with a sliding groove 1-2, and two sides of the sleeve 3 are respectively provided with a sliding strip 3-1 matched with the sliding groove 1-2. The sleeve 3 is slidably arranged in the sliding grooves 1-2 of the two supports 1 through the sliding strips 3-1 at the two sides of the sleeve 3, and the ultrathin hydraulic jack 4 fixed in the middle of the vertical plates of the two L-shaped plates is coaxial with the sleeve 3; when a clamping sleeve of a bearing is disassembled, the two supports 1 and parts connected with the supports 1 are fixed on a beating roller bearing seat through bolts matched with through holes 1-1 of the two supports 1, the sleeve 3 is pushed to be sleeved on a beating roller shaft through the ultrathin hydraulic jack 4, the ultrathin hydraulic jack 4 continues to push the sleeve 3, the opening end face of the sleeve 3 is contacted with the end face of the bearing clamping sleeve, the ultrathin hydraulic jack 4 continues to operate, so that the sleeve 3 extrudes the clamping sleeve of the beating roller bearing, and the clamping sleeve can be loosened; by arranging the sliding strips 3-1 on the two sides of the sleeve 3 to be matched with the sliding grooves 1-2 of the two supports 1, when the ultrathin hydraulic jack 4 pushes the sleeve 3, the sleeve 3 can be guaranteed to do linear motion along the sliding grooves 1-2, the sleeve 3 can be accurately sleeved on the beating roller shaft, and then the tightening sleeve of the bearing is loosened under the action of the ultrathin hydraulic jack 4.

The utility model discloses a working process:

the two supports 1 and parts connected with the supports 1 are fixed on a beating roller bearing seat through bolts matched with through holes 1-1 of the two supports 1, the sleeve 3 is pushed to be sleeved on a beating roller shaft through the ultrathin hydraulic jack 4, the ultrathin hydraulic jack 4 continues to push the sleeve 3, the opening end face of the sleeve 3 is in end face contact with a bearing tight fit sleeve, the ultrathin hydraulic jack 4 continues to operate, the sleeve 3 is made to extrude the beating roller bearing tight fit sleeve, and the tight fit sleeve can be loosened.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a beat roller bearing dismounting device which characterized in that: the roller bearing dismounting device comprises two supports (1), two beams (2), a sleeve (3) and an ultrathin hydraulic jack (4), wherein the two supports (1) are arranged at two ends of the beams (2) in parallel, one ends, far away from the beams (2), of the two supports (1) are provided with through holes (1-1), the middle of the beams (2) is provided with the ultrathin hydraulic jack (4), and the sleeve (3) is arranged between the two supports (1) and is coaxial with the ultrathin hydraulic jack (4).

2. The dismounting device for the grinding roller bearing according to claim 1, characterized in that: the cross beam (2) is composed of two L-shaped plates, through holes are formed in the bottom plates of the two L-shaped plates, through holes are also formed in the connecting ends of the two supports (1) and the cross beam (2), the two supports (1) are located between the two L-shaped plates, the supports (1) correspond to the through holes in the L-shaped plates one by one, and the supports (1) are fixedly connected with the two L-shaped plates through hexagon socket head bolts (2-1) matched with the through holes; the vertical plates of the two L-shaped plates are on the same plane, and the ultrathin hydraulic jack (4) is fixed in the middle of the vertical plates of the two L-shaped plates.

3. The dismounting device for the rolling bearing according to claim 1 or 2, characterized in that: the inner side walls of the two supports (1) are respectively provided with a sliding chute (1-2), and the two sides of the sleeve (3) are respectively provided with a sliding strip (3-1) matched with the sliding chutes (1-2).