CN216940452U

CN216940452U - Special tool for quickly assembling dynamometer bearing

Info

Publication number: CN216940452U
Application number: CN202220217233.7U
Authority: CN
Inventors: 黄展宏; 梁祥帆; 雷国卫; 林泽宇; 彭年富
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-07-12
Anticipated expiration: 2032-01-26

Abstract

The utility model discloses a special tool for quickly assembling a dynamometer bearing, which comprises a bearing mounting structure, wherein the bearing mounting structure comprises a knocking part, a handle fixing block, a connecting rod, a fixing ring, a fixing convex circle, a fixing cylinder and a breathable rubber mat, the fixing cylinder is arranged on the bottom surface of the knocking part, the handle fixing block is arranged on the outer wall of the fixing cylinder, the fixing ring is arranged at the bottom of the fixing cylinder, the fixing convex circle is arranged on the outer wall of the fixing ring, the connecting rod is arranged on the top surface of the fixing convex circle, and the breathable rubber mat is arranged on the inner wall of the fixing cylinder. The bearing mounting structure effectively avoids the phenomenon that the bearing mounting structure is deviated when the bearing is mounted, ensures that the knocking stress is uniform, avoids the problem that the bearing mounting structure cannot be taken down due to the fact that the internal air pressure and the joint surface of the ventilating rubber strip and a dynamometer shaft are too large because the ventilating rubber strip is provided with the air holes in the knocking part, has the advantages of fast assembly and fast disassembly, improves the working efficiency, cannot cause damage to the bearing, and ensures the mounting precision.

Description

Special tool for quickly assembling dynamometer bearing

[ technical field ] A

The utility model belongs to the technical field of maintenance of internal combustion engine test equipment, and particularly relates to a special tool for quickly assembling a dynamometer bearing.

[ background of the utility model ]

In the manufacturing industry of internal combustion engines, the hydraulic dynamometer is widely applied to testing various performances of the internal combustion engines, and after the dynamometer is used for a certain period, bearings at the front end and the rear end of the dynamometer are abraded, so that various performances of the dynamometer are changed, and the test data of the internal combustion engines are inaccurate. Originally use the crowbar to beat the installation bearing when the bearing is changed in the dynamometer maintenance, because the atress is uneven when beating, can reduce the installation accuracy of bearing, the bearing harms easily, influences the life of bearing, beats very easily and injures in hand or bounce-back at the in-process of beating moreover, causes bodily injury, and is inefficient moreover.

To the aforesaid not enough, this application provides a special frock for installing dynamometer machine bearing fast, uses this frock installation dynamometer machine bearing will play the effect of doing a little work doubly, has improved maintenance efficiency.

[ Utility model ] content

The utility model aims to provide a special tool for quickly assembling a dynamometer bearing, which aims to solve the problems that in the process of installing the bearings at the front end and the rear end of the dynamometer, the bearings are damaged, the installation precision is reduced, the service life of the bearings is influenced, personal injury is easily caused by beating, the working efficiency is low and the like due to the fact that beating is carried out by a crowbar and the installation stress is unbalanced.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a special frock of fast assembly dynamometer machine bearing, includes bearing mounting structure, bearing mounting structure includes that portion of strikeing, handle fixed block, connecting rod, retainer plate, fixed bulge, fixed drum and ventilative cushion constitute, the bottom surface of portion of strikeing is equipped with fixed drum, be equipped with the handle fixed block on the outer wall of fixed drum, the bottom of fixed drum is equipped with the retainer plate, be equipped with fixed bulge on the outer wall of retainer plate, be equipped with the connecting rod on the top surface of fixed bulge, be equipped with ventilative cushion on the inner wall of fixed drum.

Furthermore, the top of the knocking part is provided with an air hole.

Furthermore, the handle fixing blocks are a plurality of and are circumferentially distributed on the outer side wall of the middle upper part of the fixing cylinder.

Furthermore, threaded holes are formed in the side wall of the handle fixing block.

Furthermore, the top surface of the connecting rod is connected with the bottom surface of the handle fixing block.

Furthermore, the breathable rubber mat is cylindrical, a plurality of protrusions are arranged on the inner circumference of the breathable rubber mat, and gaps exist between every two protrusions.

Further, the bulges inside the air-permeable rubber mat are vertically distributed or transversely distributed.

Furthermore, the handle is further included, and external threads corresponding to the threaded holes in the side wall of the handle fixing block are formed in the outer wall of one end of the handle.

The utility model has the following beneficial effects:

when the bearing is installed, the breathable adhesive tape is arranged inside the bearing, the breathable adhesive tape is attached to the shaft of the dynamometer, the bearing installation structure can be prevented from being deviated when the bearing is installed, the uniform knocking stress is ensured, meanwhile, gaps exist on the breathable adhesive tape, and air holes are formed in the knocking part, so that the problem that the bearing installation structure cannot be taken down due to the fact that the internal air pressure and the attaching surface of the breathable adhesive tape and the dynamometer shaft are too large is solved, the bearing is ensured to be installed quickly, the bearing installation structure is taken down quickly, the working efficiency is improved, the bearing cannot be damaged, the installation accuracy is ensured, the service life of the bearing is prolonged, and meanwhile, the bearing is provided with the externally-connected handle, and personal injury caused by knocking can be avoided when the bearing is knocked.

[ description of the drawings ]

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

fig. 2 is a cross-sectional view of a front view of the present invention.

The numbers in the figure indicate: 1. a knocking portion; 2. a handle fixing block; 3. a connecting rod; 4. fixing the convex circle; 5. a stationary ring; 6. a fixed cylinder; 7. a handle; 8. a breathable rubber cushion.

[ detailed description ] embodiments

The following is a detailed description of specific embodiments.

The present invention will be described in further detail with reference to specific embodiments. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the utility model or its application.

As shown in figures 1 and 2, the special tool for quickly assembling the dynamometer bearing comprises a bearing installation structure, the bearing installation structure comprises a knocking part 1, a handle fixing block 2, a plurality of connecting rods 3, fixing convex circles 4, a fixing ring 5, a fixing cylinder 6 and a breathable rubber mat 8, the top of the knocking part 1 is provided with a breathable hole, the bottom surface of the knocking part 1 is provided with the fixing cylinder 4, the outer wall of the fixing cylinder 4 is provided with the handle fixing block 2, the handle fixing blocks 2 are distributed on the outer side wall of the middle upper part of the fixing cylinder 4 in a circumferential manner, the side wall of the handle fixing block 2 is provided with a threaded hole, the bottom of the fixing cylinder 6 is provided with the fixing ring 5, the outer wall of the fixing ring 5 is provided with the fixing convex circles 4, the top surface of the fixing convex circles 4 is provided with the connecting rods 3, the top surface of the connecting rods 3 is connected with the bottom surface of the handle fixing block 2, the breathable rubber mat 8 is arranged on the inner wall of the fixing cylinder, the ventilative cushion 8 is the cylinder, and the inside circumference of ventilative cushion 8 is equipped with a plurality of archs, and a plurality of archs have the clearance between two liang, and the inside arch of ventilative cushion 8 is vertical distribution or horizontal distribution.

The tool further comprises a handle 7, and an external thread corresponding to the threaded hole in the side wall of the handle fixing block 2 is formed in the outer wall of one end of the handle 7.

When the tool is used, the bearing mounting structure is sleeved on a shaft of a dynamometer, then the bottom surface of the fixed cylinder 6 is abutted against the top surface of the bearing, the top surface of the fixed ring 5 is attached to the outer wall of the bearing, the knocking part 1 of the bearing mounting structure is knocked, the bearing mounting structure can press the bearing downwards to move, the bulge of the air-permeable rubber cushion in the fixed cylinder 6 is attached to and pressed by the shaft of the dynamometer at the moment, and the bulge expands to the gap at the two sides, so that the bearing mounting structure is stable and cannot rebound due to knocking force, after the mounting is finished, the connecting rod 3 is held by two hands, the bearing mounting structure is rotated and lifted upwards, the bearing mounting structure can be separated from the shaft of the dynamometer, the tool is used for mounting the bearing of the dynamometer for 5 minutes, the mounting can be finished quickly, and the tool mounting can be finished in 20 minutes compared with the original method, the tool has the advantages of reducing labor intensity, being convenient and quick, and improving the working efficiency, the personal injury easily suffered is avoided, and the safety and the reliability are improved.

Claims

1. The utility model provides a special frock of rapid Assembly dynamometer machine bearing which characterized in that: including bearing mounting structure, bearing mounting structure includes knocking part, handle fixed block, connecting rod, retainer plate, fixed bulge, fixed drum and ventilative cushion and constitutes, the bottom surface of knocking part is equipped with fixed drum, be equipped with the handle fixed block on the outer wall of fixed drum, the bottom of fixed drum is equipped with the retainer plate, be equipped with fixed bulge on the outer wall of retainer plate, be equipped with the connecting rod on the top surface of fixed bulge, be equipped with ventilative cushion on the inner wall of fixed drum.

2. The special tool for quickly assembling the dynamometer bearing according to claim 1, wherein the special tool comprises: and the top of the knocking part is provided with an air hole.

3. The special tool for quickly assembling the dynamometer bearing according to claim 1, wherein the special tool comprises: the handle fixing blocks are a plurality of and are circumferentially distributed on the outer side wall of the middle upper part of the fixing cylinder.

4. The special tool for quickly assembling the dynamometer bearing according to claim 1, wherein the special tool comprises: and the side wall of the handle fixing block is provided with a threaded hole.

5. The special tool for quickly assembling the dynamometer bearing according to claim 1, wherein the special tool comprises: the top surface of the connecting rod is connected with the bottom surface of the handle fixing block.

6. The special tool for quickly assembling the dynamometer bearing according to claim 1, wherein the special tool comprises: the breathable rubber mat is cylindrical, a plurality of bulges are arranged on the inner circumference of the breathable rubber mat, and gaps exist between every two bulges.

7. The special tool for quickly assembling the dynamometer bearing according to claim 1, wherein the special tool comprises: the bulges inside the breathable rubber pad are vertically or transversely distributed.

8. The special tool for quickly assembling the dynamometer bearing according to claim 1, wherein the special tool comprises: the handle is characterized by further comprising a handle, wherein an external thread corresponding to the threaded hole in the side wall of the handle fixing block is formed in the outer wall of one end of the handle.