CN219975168U - Coupling - Google Patents
Coupling Download PDFInfo
- Publication number
- CN219975168U CN219975168U CN202320611812.4U CN202320611812U CN219975168U CN 219975168 U CN219975168 U CN 219975168U CN 202320611812 U CN202320611812 U CN 202320611812U CN 219975168 U CN219975168 U CN 219975168U
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- Prior art keywords
- sleeve
- arc
- speed reducer
- piece
- shaft
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- 230000008878 coupling Effects 0.000 title claims description 24
- 238000010168 coupling process Methods 0.000 title claims description 24
- 238000005859 coupling reaction Methods 0.000 title claims description 24
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 47
- 239000002184 metal Substances 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000032683 aging Effects 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 238000012546 transfer Methods 0.000 abstract description 6
- 238000013016 damping Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a coupler, which comprises a motor end shaft sleeve, a motor end shaft sleeve and a motor end shaft sleeve, wherein the motor end shaft sleeve is connected with a motor output shaft; the end shaft sleeve of the speed reducer is connected with the input shaft of the speed reducer; the middle piece is arranged between the motor end shaft sleeve and the speed reducer end shaft sleeve, and can rotate torque generated by the motor output shaft to the speed reducer input shaft, and comprises an inner metal piece and an elastic piece, wherein the elastic piece is coated outside the inner metal piece. The utility model can stably transfer the torque generated by the motor output shaft to the speed reducer input shaft, and secondly, the intermediate piece of the inner metal piece and the outer elastic piece is adopted, so that on one hand, the integral strength of the intermediate piece can be maintained, the torque can be stably transferred, and the bearing torsion of the inner metal piece can not be influenced even if the outer elastic piece is cracked by the aged people; on the other hand, the elastic piece which is coated and arranged outside the internal metal piece has certain elasticity, namely, the relative displacement between the motor output shaft and the speed reducer input shaft can be compensated, so that the impact resistance of the intermediate piece is enhanced.
Description
Technical Field
The utility model relates to the technical field of couplings, in particular to a coupling.
Background
The coupling of the large vehicle running driving reduction gearbox of a certain power plant is designed into a rubber tire type in the original plant, and the tire body of the tire coupling is one of necessary spare parts of the tire coupling and is correspondingly divided into UL, LA and LB tire bodies. The tyre type coupling is divided into two main types of convex type and concave type, the convex type is divided into three types of integral type with skeleton, integral type without bone and radial incision type.
The inner side of the tire ring is bonded with the steel framework into a whole by a vulcanization method, and nuts are welded at bolt holes on the framework. The tire coupling has high elasticity, large capacity of compensating relative displacement of two shafts, good damping, simple structure, no need of lubrication, and convenient assembly, disassembly and maintenance.
Its advantages are low load-bearing power, high external size, and high load of bearing. When the tire coupling is operated at high speed, the outer edge of the tire expands outwards due to the centrifugal force, and the additional axial force is further increased. On the other hand, the tire coupling is easy to age and crack under the open-air working condition, so that the bearing torsion is reduced, and the impact resistance is reduced.
Disclosure of Invention
In view of the above, it is necessary to provide a coupling for the above-mentioned problems.
The coupling comprises:
the motor end shaft sleeve is connected with the motor output shaft;
the end shaft sleeve of the speed reducer is connected with the input shaft of the speed reducer;
the intermediate piece is arranged between the motor end shaft sleeve and the speed reducer end shaft sleeve, and can rotate torque generated by the motor output shaft to the speed reducer input shaft, and the intermediate piece comprises an inner metal piece and an elastic piece, wherein the elastic piece is arranged outside the inner metal piece in a coating mode.
In some embodiments, a first shaft key is arranged on the motor output shaft along the axial direction of the motor output shaft, a first key groove is arranged on the inner side surface of the motor end shaft sleeve, and the first shaft key is embedded in the first key groove.
In some embodiments, a second key is arranged on the output shaft of the speed reducer along the axial direction of the output shaft of the speed reducer, a second key groove is arranged on the inner side surface of the end shaft sleeve of the speed reducer, and the second key is embedded in the second key groove.
In some embodiments, the motor end sleeve comprises:
a first arcuate sleeve;
a second arc-shaped sleeve;
the first connecting bolt penetrates through the first arc-shaped sleeve and the second arc-shaped sleeve and fixedly connects the first arc-shaped sleeve and the second arc-shaped sleeve.
In some embodiments, the speed reducer end sleeve comprises:
a third arc sleeve;
a fourth arc sleeve;
the second connecting bolt penetrates through the third arc-shaped sleeve and the fourth arc-shaped sleeve and fixedly connects the third arc-shaped sleeve and the fourth arc-shaped sleeve.
In some embodiments, the elastic member is made of an aging resistant rubber.
In some embodiments, a plurality of first transmission rods are arranged at one end of the motor end sleeve, which is close to the middle piece, and a plurality of first connecting holes are formed in positions, corresponding to the first transmission rods, of the middle piece, and the plurality of first transmission rods are respectively arranged in the plurality of first connecting holes in a penetrating mode.
In some embodiments, a plurality of second transmission rods are arranged at one end of the reducer end sleeve, which is close to the middle piece, and a plurality of second connection holes are formed in positions, corresponding to the second transmission rods, of the middle piece, and the second transmission rods are respectively arranged in the second connection holes in a penetrating mode.
Compared with the prior art, the utility model has the beneficial effects that:
through setting up motor end axle sleeve, speed reducer end axle sleeve and middleware, can be stable can transmit the moment of torsion that the motor output shaft produced to the speed reducer input shaft, secondly, adopt inside metalwork to add the middleware of outside elastic component, on the one hand can maintain the bulk strength of middleware, can stably transmit the moment of torsion, and even the outside elastic component is old to crack also can not influence the bearing torsion of inside metalwork; on the other hand, the elastic piece which is coated and arranged outside the internal metal piece has certain elasticity, namely, the relative displacement between the motor output shaft and the speed reducer input shaft can be compensated, and the damping is good, so that the impact resistance of the intermediate piece is enhanced.
Drawings
FIG. 1 is a schematic side view of an exemplary embodiment of the present utility model;
FIG. 2 is a schematic diagram of a motor end sleeve according to an exemplary embodiment of the present utility model;
FIG. 3 is a schematic view of a reducer end sleeve according to an exemplary embodiment of the present utility model;
fig. 4 is a schematic diagram showing middleware in an exemplary embodiment of the utility model.
In the figure: 1. a motor end shaft sleeve; 11. a first arcuate sleeve; 12. a second arc-shaped sleeve; 13. a first transfer lever; 2. a speed reducer end shaft sleeve; 21. a third arc sleeve; 22. a fourth arc sleeve; 23. a second transfer lever; 3. a middleware; 31. a first connection hole; 32. and a second connection hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As described in the background art, the coupling of the travelling drive reduction gearbox of a certain power plant is designed as a rubber tire type in the original plant, and torsional shear deformation occurs when the tire ring works, so that the tire coupling has high elasticity, large capacity of compensating relative displacement of two shafts, good damping, simple structure, no need of lubrication, and convenient assembly, disassembly and maintenance. Its advantages are low load-bearing power, high external size, and high load of bearing. When the tire coupling is operated at high speed, the outer edge of the tire expands outwards due to the centrifugal force, and the additional axial force is further increased. On the other hand, the tire coupling is easy to age and crack under the open-air working condition, so that the bearing torsion is reduced, and the impact resistance is reduced.
To improve the above-mentioned problems, the present utility model proposes a coupling, referring to fig. 1, which mainly includes: the motor end shaft sleeve 1, the speed reducer end shaft sleeve 2 and the intermediate piece 3, wherein the motor end shaft sleeve 1 and the speed reducer end shaft sleeve 2 are respectively fixed on a motor output shaft and a speed reducer input shaft; the middle piece 3 is arranged between the motor end shaft sleeve 1 and the speed reducer end shaft sleeve 2, and plays a role in transmitting torque.
Specifically, in the exemplary embodiment, referring to fig. 1 and 2, the motor end shaft sleeve 1 is integrally formed in a ring shape and is sleeved on the motor output shaft, a first shaft key is provided on the motor output shaft along the axial direction thereof, a first key groove is provided on the inner side surface of the motor end shaft sleeve 1, the first shaft key is embedded in the first key groove, that is, the motor output shaft is connected with the motor end shaft sleeve 1 through the first shaft key, and torque is transmitted to the motor end shaft sleeve 1.
Further, the motor end shaft sleeve 1 comprises a first arc-shaped sleeve 11, a second arc-shaped sleeve 12 and a plurality of first connecting bolts, wherein the first arc-shaped sleeve 11 and the second arc-shaped sleeve 12 are both formed into a semicircular arc plate shape and are formed into an annular cylindrical structure after being jointed; the first connecting bolts penetrate through the joint of the first arc-shaped sleeve 11 and the second arc-shaped sleeve 12 and fixedly connect the first arc-shaped sleeve 11 with the second arc-shaped sleeve 12 to form a flange-like structure.
Specifically, in the exemplary embodiment, referring to fig. 1 and 3, the end sleeve 2 of the speed reducer is integrally formed in a ring shape and is sleeved on the input shaft of the speed reducer, a second key is provided on the input shaft of the speed reducer along the axial direction thereof, a second key groove is provided on the inner side surface of the shaft sleeve of the speed reducer, and the second key is embedded in the second key groove, that is, the input shaft of the speed reducer is connected with the end sleeve 2 of the speed reducer through the second key, so that torque can be transmitted to the input shaft of the speed reducer.
Further, the reducer end shaft sleeve 2 comprises a third arc sleeve 21, a fourth arc sleeve 22 and a plurality of second connecting bolts, wherein the third arc sleeve 21 and the fourth arc sleeve 22 are both formed into a semicircular arc plate shape and are formed into an annular cylindrical structure after being jointed; the second connecting bolts penetrate through the joint of the third arc-shaped sleeve 21 and the fourth arc-shaped sleeve 22 and fixedly connect the third arc-shaped sleeve 21 and the fourth arc-shaped sleeve 22 to form a flange-like structure.
Further, the plane of the joint of the first arc-shaped sleeve 11 and the second arc-shaped sleeve 12 is perpendicular to the plane of the joint of the third arc-shaped sleeve 21 and the fourth arc-shaped sleeve 22, so as to prevent the stress weak points from concentrating.
Specifically, in the exemplary embodiment, referring to fig. 1 and 4, the intermediate member 3 includes an inner metal member and an elastic member, wherein the inner metal member is made of cast iron material, is integrally formed in a circular plate-like structure, and further, is provided with four openings; the elastic piece is made of ageing-resistant nitrile rubber, is coated on the outer part of the whole inner metal piece, and is also formed into an opening shape at the opening of the inner metal piece.
Further, the intermediate member 3 is integrally formed in a circular plate-like structure, and the outer peripheral side thereof is provided in an arc-like convex manner.
Corresponding to the openings of the inner metal piece and the elastic piece, the middle piece 3 is finally formed with two first connecting holes 31 and two second connecting holes 32, the two first connecting holes 31 and the two second connecting holes 32 are distributed in a circular array with the axis of the middle piece 3, and the first connecting holes 31 and the second connecting holes 32 are arranged at intervals. Two first transmission rods 13 are arranged at one end, close to the middle piece 3, of the motor end shaft sleeve 1, and the two first transmission rods 13 are respectively penetrated into the two first connecting holes 31; two second transmission rods 23 are arranged at one end, close to the middle piece 3, of the speed reducer end shaft sleeve 2, and the two second transmission rods 23 are respectively arranged in the two second connecting holes 32 in a penetrating mode. The motor output shaft drives the motor end axle sleeve 1 to rotate, and then drives the first transfer rod 13 on the motor end axle sleeve 1 to rotate, first transfer rod 13 passes through first connecting hole 31 with the moment of torsion and transmits the moment of torsion to middleware 3, middleware 3 passes through second connecting hole 32 and transmits the moment of torsion to second transfer rod 23, finally transmit the moment of torsion to the speed reducer input shaft through speed reducer end axle sleeve 2, in this process, main moment of torsion bearing has been born to the inside metalwork, the bulk strength of middleware 3 is being maintained, the elastic component can compensate the relative displacement between motor output shaft and the speed reducer input shaft, owing to it has good damping, can strengthen the impact resistance of middleware 3.
Further, the lengths of the first transmission rod 13 and the second transmission rod 23 are consistent with the thickness of the middle to secure stability of the torque transmission process.
In summary, by arranging the motor end shaft sleeve 1, the speed reducer end shaft sleeve 2 and the intermediate member 3, the torque generated by the motor output shaft can be stably transmitted to the speed reducer input shaft, and secondly, the intermediate member 3 of the inner metal member and the outer elastic member is adopted, so that on one hand, the overall strength of the intermediate member 3 can be maintained, the torque can be stably transmitted, and the bearing torsion force of the inner metal member is not influenced even if the outer elastic member is cracked due to aging; on the other hand, the elastic piece which is coated and arranged outside the internal metal piece has certain elasticity, namely, the relative displacement between the motor output shaft and the speed reducer input shaft can be compensated, and the damping is good, so that the impact resistance of the intermediate piece 3 is enhanced.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. A coupling, comprising:
the motor end shaft sleeve is connected with the motor output shaft;
the end shaft sleeve of the speed reducer is connected with the input shaft of the speed reducer;
the intermediate piece is arranged between the motor end shaft sleeve and the speed reducer end shaft sleeve, and can rotate torque generated by the motor output shaft to the speed reducer input shaft, and the intermediate piece comprises an inner metal piece and an elastic piece, wherein the elastic piece is arranged outside the inner metal piece in a coating mode.
2. The coupling of claim 1, wherein a first shaft key is provided on the motor output shaft along an axial direction thereof, a first key groove is provided on an inner side surface of the motor end sleeve, and the first shaft key is embedded in the first key groove.
3. The coupling of claim 1, wherein a second key is provided on the input shaft of the speed reducer in an axial direction thereof, a second key groove is provided on an inner side surface of the end sleeve of the speed reducer, and the second key is embedded in the second key groove.
4. A coupling according to any one of claims 1 or 2, wherein the motor end sleeve comprises:
a first arcuate sleeve;
a second arc-shaped sleeve;
the first connecting bolt penetrates through the first arc-shaped sleeve and the second arc-shaped sleeve and fixedly connects the first arc-shaped sleeve and the second arc-shaped sleeve.
5. A coupling according to any one of claims 1 or 3, wherein the reducer end sleeve comprises:
a third arc sleeve;
a fourth arc sleeve;
the second connecting bolt penetrates through the third arc-shaped sleeve and the fourth arc-shaped sleeve and fixedly connects the third arc-shaped sleeve and the fourth arc-shaped sleeve.
6. The coupling of claim 1, wherein the resilient member is made of an aging resistant rubber.
7. The coupler according to claim 1, wherein a plurality of first transmission rods are arranged at one end, close to the middle piece, of the motor end shaft sleeve, a plurality of first connecting holes are formed in positions, corresponding to the first transmission rods, of the middle piece, and the plurality of first transmission rods penetrate through the plurality of first connecting holes respectively.
8. The coupler according to claim 1, wherein a plurality of second transmission rods are arranged at one end of the reducer end sleeve, which is close to the intermediate piece, and a plurality of second connection holes are formed in positions of the intermediate piece, which correspond to the second transmission rods, and the second transmission rods are respectively arranged in the second connection holes in a penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320611812.4U CN219975168U (en) | 2023-03-24 | 2023-03-24 | Coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320611812.4U CN219975168U (en) | 2023-03-24 | 2023-03-24 | Coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975168U true CN219975168U (en) | 2023-11-07 |
Family
ID=88582614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320611812.4U Active CN219975168U (en) | 2023-03-24 | 2023-03-24 | Coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975168U (en) |
-
2023
- 2023-03-24 CN CN202320611812.4U patent/CN219975168U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |