Flexible coupling
By inserting high elastic rubber blocks on the coupling flange and using wire rope clamp connectors, the torsional impact and vibration problems when the flexible coupling transmits torque is solved, achieving a more stable torque transmission and reducing equipment vibration effect .
Patent Information
- Application Number
- CN202420229949.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-31
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-01-31
AI Technical Summary
The flexible coupling has periodic dynamic loads that cause fatigue problems when transmitting torque, and cannot effectively reduce torsional shock and vibration.
A highly elastic rubber block is installed on the flange of the coupling, through which it is embedded between the projection and the groove, and combined with the wire rope clamp connection, an elastic transmission is formed to reduce torsional impact and bear part of the torque.
It effectively reduces torsional impact and axial and radial vibrations, reduces vibration and noise of the equipment, and improves the working stability of the coupling.
Smart Images
Figure CN222351219U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of couplings, and in particular relates to a flexible coupling. Background Art
[0002] According to the different connection types, couplings can be divided into rigid couplings and flexible couplings. Rigid couplings have a simple structure, large torque transmission, and fast response, but they have no ability to compensate for relative displacement and require high alignment between the two axes. Flexible couplings have a complex structure and a wide variety of types. They have a certain ability to compensate for the center errors of the two axes, and they have periodic dynamic loads that cause fatigue problems. Summary of the invention
[0003] In order to solve the above technical problems existing in the existing couplings, the utility model provides a flexible coupling that uses a high-elastic rubber block to reduce torsional impact and bear part of the torque transmission. On the basis of ensuring the transmission of large torque, the utility model adds a high-elastic rubber block on the flange, which can bear part of the torque when the load changes frequently and reduce the torsional impact. At the same time, it can also reduce axial and radial vibrations, and reduce the vibration and noise of the equipment.
[0004] The technical solution adopted by the utility model is:
[0005] A flexible coupling comprises a driving shaft connection part, an input flange, a driven shaft connection part and an output flange, wherein the driving shaft connection part is provided with an input flange, and the driven shaft connection part is provided with an output flange, and is characterized in that the input flange and the output flange are connected by a connecting piece;
[0006] A first protrusion and a second protrusion are respectively arranged on the surfaces of the input flange and the output flange facing each other, and a high-elasticity rubber block is arranged between the first protrusion and the second protrusion.
[0007] Furthermore, the first and second protrusions are provided with first and second grooves at positions corresponding to the high elastic rubber block, and when the input flange and the output flange are connected, the upper part of the high elastic rubber block is exactly embedded in the first groove, and the lower part is exactly embedded in the second groove.
[0008] Furthermore, the connecting member includes a steel wire rope and a steel wire rope clamp, and both ends of the steel wire rope are bent and fixed on the input flange and the output flange respectively through the steel wire rope clamp.
[0009] Furthermore, a plurality of highly elastic rubber blocks are provided.
[0010] Furthermore, a plurality of the high-elasticity rubber blocks are arranged at intervals along the circumferential direction of the first protrusion or the second protrusion, and the number of the first grooves and the second grooves is equal to the number of the high-elasticity rubber blocks.
[0011] Furthermore, a plurality of wire rope clamps are arranged at intervals on the input flange and the output flange along the circumferential direction, and the wire rope clamps on the input flange and the output flange correspond to each other one by one.
[0012] Furthermore, the input flange and the output flange are respectively provided with a first through hole for the steel wire rope to pass through.
[0013] Furthermore, the bent end of the steel wire rope is inserted into the first through hole.
[0014] Furthermore, the wire rope clamp includes a U-shaped rod, a clamping block and a fixing piece, and the two ends of the U-shaped rod are respectively provided with external threads, and the external threads are used in conjunction with the fixing piece; a second through hole is opened on the clamping block at a position corresponding to the U-shaped rod, and the two ends of the U-shaped rod are respectively inserted into the second through hole, and the U-shaped rod and the clamping block are detachably connected via a fixing piece.
[0015] Furthermore, the fixing member is a bolt.
[0016] Compared with the prior art, the beneficial effects of the utility model are embodied in:
[0017] 1. When the prime mover frequently changes its load, the high elastic rubber block of the utility model can bear part of the torque and reduce the torsional impact.
[0018] 2. The utility model can reduce axial and radial vibrations when the coupling transmits torque, and reduce vibration and noise of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the structure of the flexible coupling of the utility model;
[0020] Figure 2a and Figure 2b They are respectively a top view and a cross-sectional view of an example of the utility model;
[0021] Figure 3a and Figure 3b It is a left side view and a cross-sectional view of an example of the utility model;
[0022] Figure 4 It is a partial structural schematic diagram of an example of the utility model.
[0023] Figure 5a It is a structural schematic diagram of the wire rope clamp of the utility model.
[0024] Figure 5b It is a three-dimensional schematic diagram of the wire rope clamp of the utility model. DETAILED DESCRIPTION
[0025] The specific implementation of the embodiment of the utility model is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model.
[0026] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0027] The present invention will be described in detail below with reference to the accompanying drawings and in combination with exemplary embodiments.
[0028] refer to Figures 1 to 5b The utility model is a flexible coupling, comprising a driving shaft connection part 1, an input flange 2, a driven shaft connection part 3 and an output flange 4, wherein the driving shaft connection part 1 is provided with an input flange 2, and the driven shaft connection part 3 is provided with an output flange 4, characterized in that the input flange 2 and the output flange 4 are connected by a connecting piece;
[0029] A first protrusion 21 and a second protrusion 41 are respectively disposed on the surfaces opposite to the input flange 2 and the output flange 4 , and a high-elasticity rubber block 5 is disposed between the first protrusion 21 and the second protrusion 41 .
[0030] In one embodiment, the first protrusion 21 and the second protrusion 41 are provided with a first groove and a second groove at positions corresponding to the high elastic rubber block, and when the input flange 2 and the output flange 4 are connected, the upper part of the high elastic rubber block 5 is exactly embedded in the first groove, and the lower part is exactly embedded in the second groove.
[0031] In one embodiment, the connecting member includes a steel wire rope 6 and a steel wire rope clamp 7. Both ends of the steel wire rope 6 are bent and fixed to the input flange 2 and the output flange 4 respectively through the steel wire rope clamp 7.
[0032] In one embodiment, a plurality of highly elastic rubber blocks 5 are provided.
[0033] In one embodiment, a plurality of the high-elasticity rubber blocks 5 are arranged at intervals along the circumferential direction of the first protrusion or the second protrusion, and the number of the first grooves and the second grooves is equal to the number of the high-elasticity rubber blocks 5 .
[0034] In one embodiment, a plurality of wire rope clamps 7 are arranged at intervals on the input flange 2 and the output flange 4 along the circumferential direction, and the wire rope clamps 7 on the input flange 2 and the output flange 4 correspond to each other one by one.
[0035] In one embodiment, the input flange 2 and the output flange 4 are respectively provided with a first through hole for the steel wire rope 6 to pass through.
[0036] In one embodiment, the bent end of the steel wire rope 6 is inserted into the first through hole.
[0037] In one embodiment, the wire rope clamp 7 includes a U-shaped rod 71, a clamping block 72 and a fixing member 73, and the two ends of the U-shaped rod 71 are respectively provided with external threads, and the external threads are used in conjunction with the fixing member 73; a second through hole is opened on the clamping block 72 at a position corresponding to the U-shaped rod 71, and the two ends of the U-shaped rod 71 are respectively inserted into the second through hole, and the U-shaped rod 71 and the clamping block 72 are detachably connected through the fixing member 73.
[0038] In one embodiment, the fixing member 73 is a bolt.
[0039] In the utility model, the impact caused by frequent load changes is converted into the elastic potential energy of the high-elastic rubber block through the high elasticity of the high-elastic rubber block. The axial and radial displacements caused by the misalignment of the shaft during the operation of the flexible coupling can also be converted into the elastic potential energy of the high-elastic rubber block, thereby reducing the axial and radial vibrations and transmitting part of the torque at the same time.
[0040] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0041] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0042] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0043] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0044] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0045] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.
Claims
1. A flexible coupling, comprising a driving shaft connection part, an input flange, a driven shaft connection part and an output flange, wherein the driving shaft connection part is provided with an input flange, and the driven shaft connection part is provided with an output flange, characterized in that: The input flange and the output flange are connected via a connecting piece; A first protrusion and a second protrusion are respectively arranged on the surfaces of the input flange and the output flange that are opposite to each other, and a high-elasticity rubber block is arranged between the first protrusion and the second protrusion.
2. A flexible coupling as claimed in claim 1, characterized in that: The first and second protrusions are provided with first and second grooves at positions corresponding to the high elastic rubber block. When the input flange and the output flange are connected, the upper part of the high elastic rubber block is exactly embedded in the first groove, and the lower part is exactly embedded in the second groove.
3. A flexible coupling as claimed in claim 1, characterized in that: The connecting member comprises a steel wire rope and a steel wire rope clamp. Two ends of the steel wire rope are bent and fixed on the input flange and the output flange respectively through the steel wire rope clamp.
4. A flexible coupling as claimed in claim 1, characterized in that: A plurality of highly elastic rubber blocks are provided.
5. A flexible coupling as claimed in claim 2, characterized in that: A plurality of the high elastic rubber blocks are arranged at intervals along the circumferential direction of the first protrusion or the second protrusion, and the number of the first grooves and the second grooves is equal to the number of the high elastic rubber blocks.
6. A flexible coupling as claimed in claim 1, characterized in that: A plurality of wire rope clamps are arranged at intervals on the input flange and the output flange along the circumferential direction, and the wire rope clamps on the input flange and the output flange correspond to each other one by one.
7. A flexible coupling as claimed in claim 3, characterized in that: The input flange and the output flange are respectively provided with a first through hole for the steel wire rope to pass through.
8. A flexible coupling as claimed in claim 7, characterized in that: The bent end of the steel wire rope is inserted into the first through hole.
9. A flexible coupling as claimed in claim 3, characterized in that: The wire rope clamp includes a U-shaped rod, a clamping block and a fixing piece. The two ends of the U-shaped rod are respectively provided with external threads, and the external threads are used in conjunction with the fixing piece. A second through hole is opened on the clamping block at a position corresponding to the U-shaped rod, and the two ends of the U-shaped rod are respectively inserted into the second through hole. The U-shaped rod and the clamping block are detachably connected via a fixing piece.
10. A flexible coupling as claimed in claim 9, characterized in that: The fixing member is a bolt.