Damping pad

Abstract

The utility model discloses a damping pad which comprises a damping pad body (1), the damping pad body (1) is made of rubber materials, the projection of the damping pad body (1) on the horizontal plane is oval, a center round hole (2) penetrating through the damping pad body (1) is formed in the damping pad body (1), and a plurality of upper protrusions (4) and a plurality of lower protrusions (5) are arranged on the upper surface and the lower surface of the damping pad body (1) respectively. An upper groove (6) is formed between every two adjacent upper protrusions (4), and a lower groove (7) is formed between every two adjacent lower protrusions (5). The damping spacer is installed on the damping spacer, the damping effect is good, the damping spacer is not prone to falling off during installation, and overall installation of the damping spacer is facilitated.

Description

Technical Field

[0001] The utility model relates to a damping pad and belongs to the technical field of power transmission. Background Art

[0002] Damping spacers are used for reducing breeze vibration or sub-span oscillation of split conductors during power transmission. The structure includes a frame and multiple wire clamps. One end of the wire clamp is rotatably connected to the frame, and the other end is used to fix the conductor. Two damping pads are provided at the connection between the wire clamp and the frame. The two damping pads are located on both sides of the wire clamp and are used to consume the vibration energy of the conductor, thereby damping the vibration of the conductor and reducing the friction caused by direct contact between the frame and the wire clamp. In the prior art, the grooves of the parts of the wire clamp and the frame that are used to contact the damping pads are provided with protrusions, and both sides of the damping pads are flat. The damping pads of this structure are not convenient to fix, and are prone to rotation when in use, resulting in poor damping effect. On the other hand, they are easy to fall off during installation on the frame and the wire clamp, which is inconvenient for the overall installation of the damping spacer. Summary of the invention

[0003] The utility model aims to provide a damping pad to solve the technical defects of the damping spacer in the prior art that the damping pad surface is flat, the damping pad is not firmly fixed when in use, the damping effect is poor and it is difficult to install.

[0004] In order to solve the above problems, the technical solution adopted by the utility model is: a damping pad, including a damping pad body, the damping pad body is made of rubber material, and its projection on the horizontal plane is an ellipse. The damping pad body is provided with a central circular hole running through the upper and lower parts thereof, and a plurality of upper protrusions and a plurality of lower protrusions are respectively provided on the upper surface and the lower surface of the damping pad body, and an upper groove is formed between two adjacent upper protrusions, and a lower groove is formed between two adjacent lower protrusions. The utility model respectively provides upper protrusions and lower protrusions on both sides of the damping pad, and when in use, the grooves between the protrusions provided in the grooves of the wire clamp and the frame for contacting the damping pad are matched, so that when in use, the damping pad will not rotate, and its fixing effect is good, thereby improving the damping effect. In the process of installing the utility model on the frame and the wire clamp, since the upper protrusions and the lower protrusions are engaged with the grooves on the wire clamp and the frame, the damping pad will not fall off easily when accidentally touched, which is convenient for the installation of the damping spacer rod as a whole.

[0005] As a further improvement of the utility model, the upper protrusion and the lower groove are arranged in correspondence with each other, the lower protrusion and the upper groove are arranged in correspondence with each other, the projections of the upper protrusions and the lower grooves corresponding to each other on the horizontal plane coincide with each other, and the projections of the lower protrusions and the upper grooves corresponding to each other on the horizontal plane coincide with each other. In the utility model, the upper protrusion and the lower protrusion correspond to the grooves on the wire clamp and the frame respectively, the matching effect is good, and the preparation of the mold for manufacturing the utility model is convenient.

[0006] As a further improvement of the utility model, the surface of the upper and lower protrusions close to one end of the central circular hole is an inner arc surface, and the surface of the upper and lower protrusions away from one end of the central circular hole is an outer arc surface, the projection of the inner arc surface on the horizontal plane and the projection of the inner wall of the central circular hole on the horizontal plane are located on the same circular line, and the projection of the outer arc surface on the horizontal plane and the projection of the outer surface of the damping pad body on the horizontal plane are located on the same elliptical line. The two ends of the upper groove and the lower groove in the utility model pass through the central through hole and the outer surface of the damping pad body, which is more convenient for installation during use.

[0007] As a further improvement of the utility model, the edges of the damping pad body, the upper protrusion, the upper groove, the lower protrusion and the lower groove are all provided with rounded corners. The utility model is provided with rounded corners, which is convenient for demoulding during manufacturing and safer for installation, reducing scratches and other injuries to people during installation.

[0008] As a further improvement of the utility model, the damping pad body, the upper protrusion and the lower protrusion are integrally formed. The utility model has high overall connection strength, and cracks will not appear due to deformation during use, thereby improving the service life of the utility model.

[0009] In summary, the beneficial effects of the utility model are as follows: the utility model is installed on the damping spacer bar, has a good damping effect, is not easy to fall off during installation, and is convenient for the overall installation of the damping spacer bar. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is the front view of the utility model.

[0011] Figure 2 It is a top view of the utility model.

[0012] Figure 3 It is a three-dimensional structural schematic diagram of the utility model.

[0013] Among them: 1. Damping pad body; 2. Center circular hole; 3. Chamfered corners; 4. Upper protrusion; 5. Lower protrusion; 6. Upper groove; 7. Lower groove; 8. Inner arc surface; 9. Outer arc surface. DETAILED DESCRIPTION

[0014] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings.

[0015] like Figures 1 to 3The damping pad shown includes a damping pad body 1, which is made of rubber material. The projection of the damping pad body 1 on the horizontal plane is an ellipse, which matches the frame of the damping spacer rod and the groove on the wire clamp. A central circular hole 2 running through the upper and lower parts of the damping pad body 1 is opened, and the central circular hole 2 is used for the connecting pin connecting the frame and the wire clamp to pass through when in use. A plurality of upper protrusions 4 and a plurality of lower protrusions 5 are respectively arranged on the upper surface and the lower surface of the damping pad body 1, an upper groove 6 is formed between two adjacent upper protrusions 4, and a lower groove 7 is formed between two adjacent lower protrusions 5. In the utility model, the upper protrusion 4 The upper surface is located on the same horizontal plane, and the lower surface of the lower protrusion 5 is located on the same horizontal plane. The damping pad body 1, the upper protrusion 4 and the lower protrusion 5 are integrally formed, and the edges of the damping pad body 1, the upper protrusion 4, the upper groove 6, the lower protrusion 5 and the lower groove 7 are all provided with chamfered corners 3. When the utility model is in use, the upper protrusion 4 and the lower protrusion 5 are respectively matched with the grooves at the bottom of the grooves of the mother frame and the wire clamp, and the upper groove 6 and the lower groove 7 are respectively matched with the protrusions at the bottom of the grooves of the frame and the wire clamp, which cooperate with the overall elliptical structure of the utility model and are used to prevent the utility model from rotating relative to the frame and the wire clamp when in use.

[0016] like Figures 1 to 3 As shown, in the utility model, the upper protrusion 4 and the lower groove 7 are arranged in correspondence with each other, and the lower protrusion 5 and the upper groove 6 are arranged in correspondence with each other, wherein the projections of the upper protrusion 4 and the lower groove 7 corresponding to each other on the horizontal plane coincide with each other, and the projections of the lower protrusion 5 and the upper groove 6 corresponding to each other on the horizontal plane coincide with each other. In the utility model, the surface of the upper protrusion 4 and the lower protrusion 5 close to the end of the central circular hole 2 is an inner arc surface 8, and the surface of the upper protrusion 4 and the lower protrusion 5 away from the end of the central circular hole 2 is an outer arc surface 9, the projection of the inner arc surface 8 on the horizontal plane and the projection of the inner wall of the central circular hole 2 on the horizontal plane are located on the same circular line, and the projection of the outer arc surface 9 on the horizontal plane and the projection of the outer surface of the damping pad body 1 on the horizontal plane are located on the same elliptical line.

[0017] The parts not specifically described in the above description are all prior art, or can be implemented by prior art. Moreover, the specific implementation cases described in this utility model are only preferred implementation cases of the present invention, and are not used to limit the implementation scope of this utility model. That is, all equivalent changes and modifications made according to the content of the patent scope of this utility model should be regarded as the technical scope of this utility model.

Claims

1. A damping pad, comprising a damping pad body (1), characterized in that: The damping pad body (1) is made of rubber material, and its projection on a horizontal plane is an ellipse. The damping pad body (1) is provided with a central circular hole (2) penetrating the upper and lower parts thereof. The upper surface and the lower surface of the damping pad body (1) are respectively provided with a plurality of upper protrusions (4) and a plurality of lower protrusions (5). An upper groove (6) is formed between two adjacent upper protrusions (4), and a lower groove (7) is formed between two adjacent lower protrusions (5).

2. The damping pad according to claim 1, characterized in that: The upper protrusion (4) and the lower groove (7) are arranged in correspondence with each other, and the lower protrusion (5) and the upper groove (6) are arranged in correspondence with each other. The projections of the upper protrusion (4) and the lower groove (7) corresponding to each other on the horizontal plane coincide with each other, and the projections of the lower protrusion (5) and the upper groove (6) corresponding to each other on the horizontal plane coincide with each other.

3. The damping pad according to claim 1, characterized in that: The surfaces of the upper protrusion (4) and the lower protrusion (5) at one end close to the central circular hole (2) are inner arc surfaces (8), and the surfaces of the upper protrusion (4) and the lower protrusion (5) at one end away from the central circular hole (2) are outer arc surfaces (9). The projection of the inner arc surface (8) on the horizontal plane and the projection of the inner wall of the central circular hole (2) on the horizontal plane are located on the same circular line, and the projection of the outer arc surface (9) on the horizontal plane and the projection of the outer surface of the damping pad body (1) on the horizontal plane are located on the same elliptical line.

4. The damping pad according to claim 3, characterized in that: The edges of the damping pad body (1), the upper protrusion (4), the upper groove (6), the lower protrusion (5) and the lower groove (7) are all provided with chamfered corners (3).

5. The damping pad according to claim 1, characterized in that: The damping pad body (1), the upper protrusion (4) and the lower protrusion (5) are integrally formed.

Images