CN214519937U

CN214519937U - Take extracting tool of bush bearing

Info

Publication number: CN214519937U
Application number: CN202120044455.9U
Authority: CN
Inventors: 彭庆飞; 魏晓刚; 马晓伟; 高建华; 张雷; 杨洋; 江文勇; 周勇; 王灿; 黄燕群
Original assignee: Hongta Tobacco Group Co Ltd
Current assignee: Hongta Tobacco Group Co Ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-10-29
Anticipated expiration: 2031-01-08

Abstract

The utility model relates to a take extracting tool of bush bearing belongs to tobacco machinery equipment bearing dismounting device technical field. The dismounting tool with the bush bearing comprises a bearing sleeve and a knocking rod; the bearing sleeve is in a hollow cylindrical shape, the inner diameter of the bearing sleeve is larger than the outer diameter of the bearing sleeve, a circular hollow supporting platform is arranged in the upper portion of the bearing sleeve, the inner diameter of the supporting platform is between the inner diameter and the outer diameter of the bearing sleeve, the knocking rod is composed of an upper layer, a middle layer and a lower layer of cylindrical bodies with different diameters, the upper layer, the middle layer and the lower layer of the knocking rod are respectively arranged on the knocking rod, the knocking rod is matched with the bearing sleeve for use, the diameter of the upper layer of the knocking rod is larger than the inner diameter of the bearing sleeve, the diameter of the middle layer of the knocking rod is between the inner diameter and the outer diameter of the bearing, and the diameter of the lower layer of the knocking rod is smaller than the inner diameter of the bearing. The utility model discloses fundamentally has solved the problem that the belt bush bearing is difficult to the dismantlement, and convenient to use, safe and reliable have improved work efficiency.

Description

Take extracting tool of bush bearing

Technical Field

The utility model belongs to the technical field of tobacco machinery equipment bearing dismounting device, specific theory relates to a take extracting tool of bush bearing.

Background

The bearing is a part for fixing and reducing the friction coefficient of load in the transmission process of the tobacco mechanical equipment, and is a part for reducing the friction coefficient in the power transmission process and keeping the center position of the shaft fixed when other parts move relative to each other on the shaft. The bush is a part for protecting the bearing, and the use of the bush can reduce the abrasion, vibration and noise between the bearing and the shaft seat, avoid the increase of the clearance between the shaft and the hole and has the effect of corrosion prevention.

The bush and the bearing are assembled together to form a lightweight part of the cigarette making machine, and the bush and the bearing have the main function of supporting a mechanical rotating body so as to reduce the mechanical load friction coefficient of the machine in the transmission process. In the cigarette production process, after cigarette making machine equipment runs for a long time, damage to parts such as bearing blocking, pollution and abrasion can be caused inevitably, the transmission part is taken down from the cigarette making machine equipment, then the transmission part is disassembled and disassembled, the bearing sleeve is taken down from the transmission shaft and then is placed on a bench vice for clamping, and then a maintenance worker slowly knocks on the bearing sleeve by means of tools such as a copper rod and a hammer until the bearing is knocked down from the bearing sleeve.

When taking bush bearing to dismantle, for preventing that the bearing housing from beating the in-process play or dropping, need tightly centre gripping the bearing housing on the bench vice, the deformation that can cause the bearing housing like this is inevitable, is unfavorable for new bearing's installation to, bench vice lower part lacks necessary shelter, and the bearing can directly drop subaerial after knocking off from the bearing housing, has the potential safety hazard.

Therefore, it is necessary to provide a disassembling tool for a bearing with a bush, which fundamentally solves the problem that the bearing with the bush is difficult to disassemble, is convenient to use, is safe and reliable, and improves the working efficiency.

SUMMERY OF THE UTILITY MODEL

When dismantling in order to overcome the area bush bearing that exists among the background art, dismantle the difficulty, the bearing suit appears the drunkenness or drops at knocking the in-process, can cause bearing bush's deformation, is unfavorable for new bearing's installation to there is the problem of potential safety hazard, the utility model provides a take bush bearing's extracting tool, fundamentally has solved the problem that the area bush bearing is difficult to dismantle, and convenient to use, safe and reliable have improved work efficiency.

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

the utility model provides a disassembling tool with a bush bearing, which comprises a bearing sleeve 1 and a knocking rod 2; the bearing sleeve 1 is hollow and cylindrical, the inner diameter of the bearing sleeve is larger than the outer diameter of the bearing bush 4, a circular hollow supporting platform 3 is arranged in the upper portion of the bearing sleeve 1, the inner diameter of the supporting platform 3 is between the inner diameter and the outer diameter of the bearing bush 4, the knocking rod 2 is composed of an upper layer, a middle layer and a lower layer of cylindrical bodies with different diameters, namely an upper layer 21 of the knocking rod, a middle layer 22 of the knocking rod and a lower layer 23 of the knocking rod, the knocking rod 2 is matched with the bearing sleeve 1 for use, the diameter of the upper layer 21 of the knocking rod is larger than the inner diameter of the bearing bush 4, the diameter of the middle layer 22 of the knocking rod is between the inner diameter and the outer diameter of the bearing 5, and the diameter of the lower layer 23 of the knocking rod is smaller than the inner diameter of the bearing 5.

Preferably, the length of the cylinder of the middle layer 22 of the tapping rod is greater than that of the bearing 5.

Preferably, the diameter of the lower layer 23 of the striking rod is smaller than the inner diameter of the bearing 5 by a value between 0 and 10 mm.

The utility model has the advantages that:

the utility model discloses a hollow bearing sleeve ensures that the bearing can drop effectively from bearing bush knock off the back, can not be blockked, and bearing bush upper portion built-in circular cavity platform provides the supporting role for bearing bush, ensures that bearing bush can not slide downwards along with the bearing at the in-process of strikeing, and fundamentally has solved the problem that the belt bush bearing is difficult to the dismantlement, and convenient to use, safe and reliable have improved work efficiency.

Drawings

Fig. 1 is a schematic view of the operation structure of the present invention.

In the figure, 1-bearing sleeve, 2-knocking rod, 3-supporting platform, 4-bearing bush, 5-bearing, 21-knocking rod upper layer, 22-knocking rod middle layer and 23-knocking rod lower layer.

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 fig. 1, the dismounting tool with a bush bearing comprises a bearing sleeve 1 and a knocking rod 2; the bearing sleeve 1 is in a hollow cylindrical shape, the inner diameter of the bearing sleeve is larger than the outer diameter of the bearing bush 4, so that a bearing with a bush can be conveniently placed in the bearing sleeve, the bearing 5 can effectively fall off after being knocked off from the bearing bush 4 and cannot be blocked, a circular hollow supporting platform 3 is arranged in the upper portion of the bearing sleeve 1, the inner diameter of the supporting platform 3 is between the inner diameter and the outer diameter of the bearing bush 4, a supporting effect is provided for the bearing bush 4, and the bearing bush 4 cannot slide downwards along with the bearing 5 in a knocking process; the knocking rod 2 is composed of an upper layer of cylindrical solid, a middle layer of cylindrical solid and a lower layer of cylindrical solid, the upper layer of cylindrical solid is 21, the middle layer of cylindrical solid is 22 and the lower layer of cylindrical solid is 23, the knocking rod 2 is matched with the bearing sleeve 1 for use, the diameter of the upper layer of cylindrical solid is larger than the inner diameter of the bearing bush 4, so that a maintenance worker can conveniently knock with a hammer, the diameter of the middle layer of cylindrical solid is between the inner diameter and the outer diameter of the bearing 5, all downward acting force during knocking is directly acted on the bearing 5, the length of the cylinder of the middle layer of cylindrical solid is larger than that of the bearing 5, the bearing 5 can be completely separated from the bearing bush 4, the diameter of the lower layer of cylindrical solid is smaller than that of the bearing 5, the difference is 0-10 mm, and the knocking rod 2 is prevented from greatly shifting in the knocking process.

The utility model discloses a working process:

when a maintenance person knocks, the bearing sleeve 1 is placed on a fixed table top, so that the bearing sleeve can be supported by the table top upwards, then the bearing with the bush is placed in the bearing sleeve 1, the supporting platform 3 bears the bearing with the bush and provides an upwards supporting force for the bearing bush 4, the lower layer 23 of the knocking rod is inserted into the inner ring of the bearing, when the upper layer 21 of the knocking rod is hit by a hammer, a downward acting force is generated, because the diameter of the middle layer 22 of the knocking rod is between the inner diameter and the outer diameter of the bearing 5, the diameter of the lower layer 23 of the knocking rod is slightly smaller than the inner diameter of the bearing 5, so that the downward acting force applied to the knocking rod 2 is directly applied to the bearing 5, the bearing bush 4 is acted by the supporting platform 3 during knocking and cannot slide downwards along with the bearing 5, and the bearing 5 can slowly slide downwards from the bearing bush 4 under the downward acting force, in addition, the length of the cylinder of the middle layer 22 of the tapping rod is larger than that of the bearing 5, so that the bearing 5 can be completely separated from the bearing bush 4, the bearing sleeve 1 is in a hollow cylindrical shape, the bearing with the bush can be conveniently placed in the bearing sleeve, and the bearing 5 can be conveniently knocked down from the bearing bush 4, and the bearing sleeve is convenient to use, safe and reliable.

The utility model discloses a hollow bearing sleeve 1 ensures that bearing 5 knocks down the back from bearing bush 4, can drop effectively, can not blockked, and bearing sleeve 1 upper portion built-in circular cavity platform provides the supporting role for bearing bush 4, ensures that bearing bush 4 can not be along with bearing 5 lapse together knocking the in-process, and fundamentally has solved the problem that the belt bush bearing is difficult to the dismantlement, and convenient to use, safe and reliable have improved work efficiency.

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 take extracting tool of bush bearing which characterized in that: the dismounting tool with the bush bearing comprises a bearing sleeve (1) and a knocking rod (2); the bearing sleeve (1) is in a hollow cylindrical shape, the inner diameter of the bearing sleeve is larger than the outer diameter of the bearing bush (4), a round hollow supporting platform (3) is arranged in the upper portion of the bearing sleeve (1), the inner diameter of the supporting platform (3) is between the inner diameter and the outer diameter of the bearing bush (4), the knocking rod (2) is composed of an upper layer, a middle layer and a lower layer of cylindrical entities with different diameters, namely a knocking rod upper layer (21), a knocking rod middle layer (22) and a knocking rod lower layer (23), the knocking rod (2) is matched with the bearing sleeve (1) for use, the diameter of the knocking rod upper layer (21) is larger than the inner diameter of the bearing bush (4), the diameter of the knocking rod middle layer (22) is between the inner diameter and the outer diameter of the bearing (5), and the diameter of the knocking rod lower layer (23) is smaller than the inner diameter of the bearing (5).

2. The removal tool for a lined bearing of claim 1, wherein: the length of the cylinder of the middle layer (22) of the knocking rod is larger than that of the bearing (5).

3. A removal tool for a lined bearing according to claim 1 or 2, wherein: the diameter of the lower layer (23) of the knocking rod is smaller than the inner diameter of the bearing (5), and the value is between 0 and 10 mm.