CN217440619U

CN217440619U - Super-large torque high-elasticity coupling

Info

Publication number: CN217440619U
Application number: CN202221723952.2U
Authority: CN
Inventors: 成浩; 申晓东; 王凯
Original assignee: Shanxi Boyu Heavy Industry Co ltd
Current assignee: Shanxi Boyu Heavy Industry Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-09-16
Anticipated expiration: 2032-07-06

Abstract

The utility model belongs to the technical field of elastic couplings, in particular to a super-large torque high-elasticity coupling, which comprises a driving disc and a driven disc, wherein the driving disc comprises a first disc body, one end surface of the first disc body is fixedly connected with a first connecting pin, the other end surface of the first disc body is fixedly connected with a first shaft sleeve, the driven disc comprises a second disc body, one end surface of the second disc body is fixedly connected with a second connecting pin and a supporting shaft sleeve, the other end surface of the second disc body is fixedly connected with a second shaft sleeve, the outer side of the supporting shaft sleeve is fixedly sleeved with a metal elastic ring, the outer side surface of the metal elastic ring is jointed with the inner side surface of a rubber buffer block, the rubber buffer block can distribute load to the metal elastic ring to cooperate with the metal elastic ring to work when being squeezed by the first connecting pin and the second connecting pin to buffer and damp, avoid the rubber buffer block to produce plastic deformation and damage.

Description

Super-large torque high-elasticity coupling

Technical Field

The utility model belongs to the technical field of resilient coupling, concretely relates to especially big moment of torsion high elasticity shaft coupling.

Background

The coupling is also called coupling. Mechanical parts for firmly coupling the driving shaft and the driven shaft in different mechanisms to rotate together and transmitting motion and torque. Sometimes also to couple the shaft with other parts (e.g. gears, pulleys, etc.). Usually, the two halves are combined and fastened to the two shaft ends by a key or a tight fit, and then the two halves are connected in a certain way. The elastic coupling has the functions of compensating the offset (including axial offset, radial offset, angular offset or comprehensive offset) between two shafts caused by inaccurate manufacture and installation, deformation or thermal expansion in work and the like, and relieving and absorbing impact.

The damping ring assembly of the elastic coupling in the prior art is often single in structure, cannot be well suitable for rigidity requirements of different torsional vibrations, cannot meet different rigidity requirements of power transmission devices under different working conditions, cannot absorb vibration well, and is not good in performance in a scene of large-torque transmission.

SUMMERY OF THE UTILITY MODEL

The utility model provides a super big moment of torsion high elasticity shaft coupling, rubber buffer block can give the metal elastic ring with the load branch when receiving the extrusion buffering shock attenuation of first connecting pin and second connecting pin, and cooperation metal elastic ring carries out work, avoids rubber buffer block to produce plastic deformation and damage.

The utility model provides a following technical scheme: the utility model provides a super big moment of torsion high elasticity shaft coupling, includes driving disc and driven disc, the driving disc includes first disk body, the first connecting pin of one end terminal surface fixedly connected with of first disk body, the first axle sleeve of other end terminal surface fixedly connected with of first disk body, the driven disc includes the second disk body, the one end terminal surface fixedly connected with second connecting pin and the supporting shaft sleeve of second disk body, the other end terminal surface fixedly connected with second axle sleeve of second disk body, the outside fixed cover of supporting shaft sleeve is equipped with metal elastic ring, the medial surface of rubber buffer block is connected in the laminating of the lateral surface of metal elastic ring.

The first connecting pins and the second connecting pins are the same in number, the first connecting pins are arranged in a circumferential equal sequence around the shaft by taking the axis of the first disc body as the axis, and the second connecting pins are arranged in a circumferential equal sequence around the shaft by taking the axis of the second disc body as the axis.

The structure size of the first connecting pin is the same as that of the second connecting pin, the outer side face of the first connecting pin is flush with the outer side face of the first disc body, and the inner side face of the first connecting pin is of a concave face structure.

The rubber buffer blocks are formed by a plurality of fan-shaped blocks with the same structure and size in a circumferential equal sequence along the axis of the supporting shaft sleeve, and two waists of each rubber buffer block are in sliding fit with the side surfaces of the first connecting pin and the second connecting pin; when the driving disc drives the driven disc to rotate, the rubber buffer block can move towards the axis direction of the supporting shaft sleeve while being extruded by the first connecting pin and the second connecting pin to generate an elastic buffer effect, and then load is distributed to the metal elastic ring.

When the end faces of the two ends of the rubber buffer block are flatly attached to the end face of one end of the first disc body and the end face of one end of the second disc body, the linear distance between the end face of one end, back to the first disc body, of the first connecting pin and the second disc body is not smaller than 2mm, and the linear distance between the end face of one end, back to the second disc body, of the second connecting pin and the first disc body is not smaller than 2 mm.

The metal elastic ring is of an integrated annular structure consisting of a plurality of supporting sections and connecting sections, the connecting sections and the supporting sections are arranged in a circumferential and adjacent mode around the shaft by using the axis of the supporting shaft sleeve as the surrounding shaft, and the connecting sections are fixedly connected with the outer side face of the supporting shaft sleeve.

One end face of the supporting section, which is back to the axis of the supporting shaft sleeve, is flatly attached to the lower bottom surface of the rubber buffer block; the metal elastic ring can be used with the cooperation of rubber buffer block to cushion the shock attenuation, effectively avoids the rubber buffer block to produce plastic deformation and damage.

The utility model has the advantages that:

1. when the driving disc drives the driven disc to rotate, the rubber buffer block can move towards the axis direction of the supporting shaft sleeve while being extruded by the first connecting pin and the second connecting pin to generate an elastic buffer effect, and then loads are distributed to the metal elastic ring.

2. The metal elastic ring can be used with the cooperation of rubber buffer block to cushion the shock attenuation, effectively avoids the rubber buffer block to produce plastic deformation and damage.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

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

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a side view of the driving disk of the present invention;

fig. 4 is a side view of the driven plate of the present invention;

in the figure: 1. a driving disk; 11. a first tray body; 12. a first connecting pin; 13. a first bushing; 2. a driven plate; 21. a second tray body; 22. a second connecting pin; 23. a second shaft sleeve; 24. a support sleeve; 3. a rubber buffer block; 4. a metal elastic ring; 41. a support section; 42. and a connecting section.

Detailed Description

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a super-huge moment of torsion high elasticity shaft coupling, includes driving disk 1 and driven disk 2, driving disk 1 includes first disk body 11, the first connecting pin 12 of one end terminal surface fixedly connected with of first disk body 11, the other end terminal surface fixedly connected with first axle sleeve 13 of first disk body 11, driven disk 2 includes second disk body 21, the one end terminal surface fixedly connected with second connecting pin 22 and the supporting shaft cover 24 of second disk body 21, the other end terminal surface fixedly connected with second axle sleeve 23 of second disk body 21, the outside fixed cover of supporting shaft cover 24 is equipped with metal elastic ring 4, the medial surface of rubber buffer block 3 is connected in the lateral surface laminating of metal elastic ring 4.

The number of the first connecting pins 12 is the same as that of the second connecting pins 22, the first connecting pins 12 are arranged around the axis of the first disk body 11 in a circumferential equal sequence, and the second connecting pins 22 are arranged around the axis of the second disk body 21 in a circumferential equal sequence.

The first connecting pin 12 and the second connecting pin 22 have the same structure size, the outer side surface of the first connecting pin 12 is flush with the outer side surface of the first disk body 11, and the inner side surface of the first connecting pin 12 is of a concave structure.

The rubber buffer block 3 is formed by a plurality of fan-shaped blocks with the same structure and size arranged in a circumferential equal sequence along the axis of the supporting shaft sleeve 24, and two waists of the rubber buffer block 3 are in sliding fit with the side surfaces of the first connecting pin 12 and the second connecting pin 22; when the driving disc 1 drives the driven disc 2 to rotate, the rubber buffer block 3 can move towards the axial direction of the supporting shaft sleeve 24 while being extruded by the first connecting pin 12 and the second connecting pin 22 to generate an elastic buffer effect, so that the load is distributed to the metal elastic ring 4.

When the end faces of the two ends of the rubber buffer block 3 are flatly attached to the end face of one end of the first disc body 11 and the end face of one end of the second disc body 21, the linear distance between the end face of one end of the first connecting pin 12, which faces away from the first disc body 11, and the end face of one end of the second connecting pin 22, which faces away from the second disc body 21, and the linear distance between the end face of one end of the second connecting pin 22 and the first disc body 11 are not smaller than 2 mm.

The metal elastic ring 4 is an integrated annular structure consisting of a plurality of supporting sections 41 and connecting sections 42, the connecting sections 42 and the supporting sections 41 are arranged adjacent to each other in the circumferential direction of the surrounding shaft by taking the axis of the supporting shaft sleeve 24 as the surrounding shaft, and the connecting sections 42 are fixedly connected with the outer side surface of the supporting shaft sleeve 24.

The end face of one end of the supporting section 41, which is back to the axis of the supporting shaft sleeve 24, is smoothly attached to the lower bottom surface of the rubber buffer block 3; the metal elastic ring 4 can be used with the rubber buffer block 3 in a matched mode to buffer and damp, and the rubber buffer block 3 is effectively prevented from being damaged due to plastic deformation.

The utility model discloses a theory of operation and use flow: the driving disc 1 is sleeved on the output shaft through the first shaft sleeve 13, the driven disc 2 is sleeved on the input shaft through the second shaft sleeve 23, the driving disc 1 drives the driven disc 2 to rotate, the rubber buffer block 3 can move towards the axis direction of the supporting shaft sleeve 24 when being extruded by the first connecting pin 12 and the second connecting pin 22 to generate elastic buffering effect, and then the load is distributed to the metal elastic ring 4, the metal elastic ring 4 can be matched with the rubber buffer block 3 for buffering and damping, and the rubber buffer block 3 is effectively prevented from generating plastic deformation and being damaged.

Claims

1. A super big moment of torsion high elasticity shaft coupling which characterized in that: including drive plate (1) and driven plate (2), drive plate (1) includes first disk body (11), the first connecting pin of one end terminal surface fixedly connected with (12) of first disk body (11), the first axle sleeve of other end terminal surface fixedly connected with (13) of first disk body (11), driven plate (2) are including second disk body (21), the one end terminal surface fixedly connected with second connecting pin (22) and supporting shaft sleeve (24) of second disk body (21), the other end terminal surface fixedly connected with second axle sleeve (23) of second disk body (21), the fixed cover in the outside of supporting shaft sleeve (24) is equipped with metal elastic ring (4), the medial surface of rubber buffer block (3) is connected in the lateral surface laminating of metal elastic ring (4).

2. A super-large torque high elasticity coupling as claimed in claim 1, wherein: the number of the first connecting pins (12) is the same as that of the second connecting pins (22), the first connecting pins (12) are arranged around the circumferential direction of the shaft by taking the axis of the first disc body (11) as an equal sequence, and the second connecting pins (22) are arranged around the circumferential direction of the shaft by taking the axis of the second disc body (21) as an equal sequence.

3. A super-large torque high elasticity coupling as claimed in claim 1, wherein: the structure size of first connecting pin (12) and second connecting pin (22) is the same, the lateral surface of first connecting pin (12) and the lateral surface parallel and level of first disk body (11), the medial surface of first connecting pin (12) is concave structure.

4. A super-large torque high elasticity coupling as claimed in claim 1, wherein: the rubber buffer block (3) is formed by a plurality of fan-shaped blocks with the same structure size arranged along the axial line circumference of the supporting shaft sleeve (24) in an equal sequence, and two waists of the rubber buffer block (3) are attached to the side faces of the first connecting pin (12) and the second connecting pin (22) in a sliding mode.

5. A super-large torque high elasticity coupling as claimed in claim 1, wherein: when the two end faces of the rubber buffer block (3) are flatly attached to one end face of the first disc body (11) and one end face of the second disc body (21), the straight-line distance between the end face of the first connecting pin (12) back to the first disc body (11) and the second disc body (21) is not smaller than 2mm, and the straight-line distance between the end face of the second connecting pin (22) back to the second disc body (21) and the first disc body (11) is not smaller than 2 mm.

6. The super large torque high elasticity coupling of claim 1, wherein: metal elastic ring (4) are the integral type loop configuration of constituteing by a plurality of support sections (41) and linkage segment (42), support section (41) use the axis of support axle sleeve (24) to set up for encircling axle circumference is adjacent, the lateral surface of linkage segment (42) fixed connection support axle sleeve (24).

7. An especially high torque high elasticity coupling as claimed in claim 6 wherein: the supporting section (41) is back to the lower bottom surface of the rubber buffer block (3) which is attached to the end surface of one end of the axis of the supporting shaft sleeve (24) and is flat.