CN216922827U

CN216922827U - Axle center with shock-absorbing structure

Info

Publication number: CN216922827U
Application number: CN202220585971.7U
Authority: CN
Inventors: 陈文水
Original assignee: Dongguan Torsion Hardware Products Co ltd
Current assignee: Dongguan Torsion Hardware Products Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-07-08
Anticipated expiration: 2032-03-17

Abstract

The utility model discloses an axle center with a damping structure, which comprises a structure main body, wherein the structure main body comprises a solid shaft, a shaft head and a shaft tail, the shaft head and the shaft tail are respectively arranged at two ends of the solid shaft, a first damping mechanism is arranged on the solid shaft, the shaft head is fixedly connected with the solid shaft through friction welding, the shaft tail is detachably connected with the solid shaft, a lock ring is arranged between the shaft tail and the solid shaft, a shaft sleeve is sleeved on the shaft head, a second damping mechanism is also arranged on the shaft tail, the first damping mechanism comprises a clamping sleeve sleeved on the solid shaft, the second damping mechanism comprises a first damping silica gel pad and a second damping silica gel pad, and the first damping silica gel pad and the second damping silica gel pad are sequentially sleeved on the shaft tail from top to bottom. The utility model can effectively buffer the impact force generated by the axle center in the operation process, greatly prolongs the service life, reduces the loss, reduces the cost and has strong practicability.

Description

Axle center with shock-absorbing structure

Technical Field

The utility model relates to the technical field of axes, in particular to an axis with a damping structure.

Background

The shaft is a cylindrical object which is penetrated in the middle of a bearing or a wheel or a gear, but a small part of the shaft is square, the shaft is a mechanical part which supports a rotating part and rotates together with the rotating part to transmit motion, torque or bending moment, and the part which rotates in the machine is arranged on the shaft. The conventional axle center does not have a damping structure in the using process, so that the service life is short, and the loss of the axle center is large. In view of this, a shaft core having a shock absorbing structure is proposed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the axle with the damping structure, and the problems in the background art can be effectively solved.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the axle center with the damping structure comprises a structure main body, wherein the structure main body comprises a solid shaft, a shaft head and a shaft tail, the shaft head and the shaft tail are respectively arranged at two ends of the solid shaft, a first damping mechanism is arranged on the solid shaft, the shaft head is fixedly connected with the solid shaft through friction welding, the shaft tail is detachably connected with the solid shaft, a lock ring is arranged between the shaft tail and the solid shaft, a shaft sleeve is sleeved on the shaft head, and a second damping mechanism is also arranged at the shaft tail;

the first damping mechanism comprises a clamping sleeve sleeved on the solid shaft, a plurality of clamping grooves for mounting the rotor are formed in the surface of the clamping sleeve, a plurality of damping assemblies are arranged in the clamping sleeve, and each damping assembly comprises a first silicon steel sheet, a second silicon steel sheet and a spring clamped between the first silicon steel sheet and the second silicon steel sheet;

the second damping mechanism comprises a first damping silica gel pad and a second damping silica gel pad, and the first damping silica gel pad and the second damping silica gel pad are sequentially sleeved on the shaft tail from top to bottom.

Particularly, the end face of the shaft sleeve is provided with an installation groove, and the depth of the installation groove is not larger than that of the clamping groove.

Particularly, the shaft sleeve is embedded into the clamping sleeve and is in contact with the damping assembly, the shaft sleeve is fixedly connected with the shaft head, a rubber ring is further arranged between the damping assemblies, and the rubber ring is bonded with the second silicon steel sheet.

Particularly, the first silicon steel sheet and the second silicon steel sheet are arranged along the axial direction of the clamping sleeve, and the diameters of the first silicon steel sheet and the second silicon steel sheet are equal.

In particular, the diameter of the stub shaft is not greater than the diameter of the shaft tail.

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

the axle center with the damping structure is characterized in that a solid shaft is respectively assembled with a shaft head and a shaft tail, wherein the shaft head and the solid shaft are fixed by adopting a friction welding mode, the shaft tail and the solid shaft are screwed and fixed by adopting lock ring threads, a first damping mechanism on the solid shaft is composed of a clamping sleeve made of metal, the clamping sleeve is mutually embedded with the shaft sleeve, the shaft sleeve is fixedly connected with the shaft head, a damping component is arranged in the clamping sleeve and is contacted with the shaft sleeve, the damping component is composed of a first silicon steel sheet and a second silicon steel sheet, a spring with a damping effect is arranged between the two silicon steel sheets, a rubber ring is further bonded between the damping components, the damping effect is further improved, the clamping groove on the clamping sleeve is clamped with a rotor to prevent displacement during installation, the other end of the clamping sleeve is welded with the solid shaft, and damping can be realized by the first damping mechanism after the shaft head is subjected to impact force, simultaneously, set up second damper on the axle tail, this damper comprises first shock attenuation silica gel pad and second shock attenuation silica gel pad, combines first damper to constitute dual shock-absorbing structure, increases substantially the shock attenuation effect in axle center. The utility model can effectively buffer the impact force generated by the axle center in the operation process, greatly prolongs the service life, reduces the loss, reduces the cost and has strong practicability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a first damping mechanism according to the present invention;

fig. 3 is a schematic structural view of a second damping mechanism according to the present invention.

Reference numbers in the figures:

1. a solid shaft; 2. a shaft sleeve; 3. a shaft head; 4. a second damper mechanism; 5. a first damper mechanism; 6. a card sleeve; 7. a card slot; 8. a first silicon steel sheet; 9. a second silicon steel sheet; 10. a spring; 11. mounting grooves; 12. a locking ring; 13. a first shock-absorbing silica gel pad; 14. a second shock-absorbing silica gel pad; 15. a shaft tail; 16. a shock absorbing assembly; 17. a rubber ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides an axle center with a damping structure, which comprises a structural body, wherein the structural body comprises a solid shaft 1, an axle head 3 and an axle tail 15, the axle head 3 and the axle tail 15 are respectively arranged at two ends of the solid shaft 1, a first damping mechanism 5 is arranged on the solid shaft 1, the axle head 3 is fixedly connected with the solid shaft 1 through friction welding, the axle tail 15 is detachably connected with the solid shaft 1, a locking ring 12 is arranged between the axle tail 15 and the solid shaft 1, an axle sleeve 2 is sleeved on the axle head 3, and a second damping mechanism 4 is further arranged on the axle tail 15;

the first damping mechanism 5 comprises a clamping sleeve 6 sleeved on the solid shaft 1, a plurality of clamping grooves 7 for mounting the rotor are formed in the surface of the clamping sleeve 6, a plurality of damping assemblies 16 are arranged in the clamping sleeve 6, and each damping assembly 16 comprises a first silicon steel sheet 8, a second silicon steel sheet 9 and a spring 10 clamped between the first silicon steel sheet 8 and the second silicon steel sheet 9;

the second damping mechanism 4 comprises a first damping silica gel pad 13 and a second damping silica gel pad 14, and the first damping silica gel pad 13 and the second damping silica gel pad 14 are sequentially sleeved on the shaft tail 15 from top to bottom.

Further, the end surface of the shaft sleeve 2 is provided with an installation groove 11, and the depth of the installation groove 11 is not greater than that of the clamping groove 7.

It is further explained that the shaft sleeve 2 is embedded in the clamping sleeve 6 and contacts with the damping component 16, the shaft sleeve 2 is fixedly connected with the shaft head 3, a rubber ring 17 is further arranged between the damping components 16, and the rubber ring 17 is bonded with the second silicon steel sheet 9.

Further, the first silicon steel sheet 8 and the second silicon steel sheet 9 are arranged along the axial direction of the ferrule 6, and the diameters of the first silicon steel sheet 8 and the second silicon steel sheet 9 are equal.

It is further noted that the diameter of the stub shaft 3 is no greater than the diameter of the shaft tail 15.

In this embodiment, a solid shaft 1 is respectively assembled with a shaft head 3 and a shaft tail 15, wherein the shaft head 3 and the solid shaft 1 are fixed by friction welding, the shaft tail 15 and the solid shaft 1 are screwed and fixed by threads of a lock ring 12, a first damping mechanism 5 on the solid shaft 1 is composed of a cutting sleeve 6 made of metal, the cutting sleeve 6 is mutually embedded with a shaft sleeve 2, the shaft sleeve 2 is fixedly connected with the shaft head 3, a damping component 16 is arranged inside the cutting sleeve 6, the damping component 16 is in contact with the shaft sleeve 2, the damping component 16 is composed of a first silicon steel sheet 8 and a second silicon steel sheet 9, a spring 10 with a damping effect is arranged between the two silicon steel sheets, a rubber ring 17 is further bonded between the damping components 16 to further improve the damping effect, a clamping groove 7 on the cutting sleeve 6 clamps a rotor to prevent displacement when being installed, and the other end of the cutting sleeve 6 is welded with the solid shaft 1, when the spindle nose 3 receives the impact force, can realize the shock attenuation through first damper 5, simultaneously, set up second damper 4 on the axle tail 15, this damper comprises first shock attenuation silica gel pad 13 and second shock attenuation silica gel pad 14, combines first damper 5 to constitute dual shock-absorbing structure, increases substantially the shock attenuation effect in axle center.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Axle center with shock-absorbing structure, its characterized in that: the structure comprises a structure main body, wherein the structure main body comprises a solid shaft, a shaft head and a shaft tail which are respectively arranged at two ends of the solid shaft, a first damping mechanism is arranged on the solid shaft, the shaft head and the solid shaft are fixedly connected through friction welding, the shaft tail is detachably connected with the solid shaft, a locking ring is arranged between the shaft tail and the solid shaft, a shaft sleeve is sleeved on the shaft head, and a second damping mechanism is also arranged at the shaft tail;

2. The hub with a shock-absorbing structure as set forth in claim 1, wherein: the end face of the shaft sleeve is provided with a mounting groove, and the depth of the mounting groove is not larger than that of the clamping groove.

3. The hub with a shock-absorbing structure as set forth in claim 1, wherein: the shaft sleeve is embedded into the clamping sleeve and is in contact with the damping assembly, the shaft sleeve is fixedly connected with the shaft head, a rubber ring is further arranged between the damping assemblies, and the rubber ring is bonded with the second silicon steel sheet.

4. The hub with a shock-absorbing structure as set forth in claim 1, wherein: the first silicon steel sheet and the second silicon steel sheet are arranged along the axial direction of the clamping sleeve, and the diameters of the first silicon steel sheet and the second silicon steel sheet are equal.

5. The hub with a shock-absorbing structure as set forth in claim 1, wherein: the diameter of the shaft head is not larger than that of the shaft tail.