Durable damping base plate

Abstract

The utility model relates to a durable damping base plate, and relates to the technical field of road construction equipment, the durable damping base plate comprises a main base plate and a rail, a limiting plate is arranged on the main base plate, a positioning hole is formed in the main base plate, a first reinforcing layer is arranged on the side, away from the limiting plate, of the main base plate, and the first reinforcing layer comprises a first reinforcing edge and a second reinforcing edge; the second reinforcing ribs are perpendicular to the first reinforcing ribs; the main base plate has the following beneficial effects that bolts and nuts penetrate through the positioning holes and are in threaded connection, positioning and fixing of the rail can be achieved, the main base plate supports the rail, the first reinforcing edges and the second reinforcing edges which are perpendicular to each other can improve the structural strength of the main base plate, the deflection resistance of the main base plate is improved, and the service life of the main base plate is prolonged. The phenomenon that the main base plate is bent and deformed in the rail supporting process is reduced, the service life of the damping base plate is prolonged, and the replacement frequency of the damping base plate is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of road construction equipment, and in particular to a durable shock-absorbing pad. Background Art

[0002] In order to reduce the running noise and vibration of the train, pads are currently laid between the rails and the sleepers to absorb the vibration generated when the train runs on the rails. The performance of the pads directly affects the running safety and comfort of the train. The commonly used pads are made of polyester elastic material.

[0003] The related prior art discloses a track pad with shock absorption and noise reduction function, which comprises an embedded pad and a protective mechanism, a fixed base is arranged at the top of the embedded pad, a track pad is arranged at the bottom inner side of the fixed base, the protective mechanism comprises a hole, and there are two holes in total, and the two holes are respectively arranged at both sides of the top surface of the track pad, a protective inner ring is arranged on the inner side of the hole, a limited fixing groove is arranged on the inner surface of the hole, a limited fixing block is fixedly connected to the outer surface of the protective inner ring, and the limited fixing block engages with the inner side of the limited fixing groove; when in use, the designed rubber pad plays a shock absorption role, and the circular protrusion on the top of the rubber pad can play a buffering role, and a protective inner ring is pretended on the inner side of the hole of the embedded pad, which can reduce the wear of the pressure plate fixing bolt on the inner side of the hole.

[0004] With respect to the above-mentioned related technologies, the track pads manufactured by this method are prone to large deformation of the pad body, wear and aging after being used for a period of time, which affects the practical life of the pad body and requires frequent replacement. Utility Model Content

[0005] In order to increase the service life of the shock-absorbing pads and reduce the replacement frequency of the shock-absorbing pads on the rails, the present application provides a durable shock-absorbing pad.

[0006] The durable shock-absorbing pad provided in the present application adopts the following technical solution:

[0007] A durable shock-absorbing pad comprises a main pad and a rail, wherein a limiting plate is arranged on the main pad, a positioning hole is arranged on the main pad, the limiting plate is used to be connected and fixed to the rail, a first reinforcing layer is provided on the side of the main pad facing away from the limiting plate, the first reinforcing layer comprises a first reinforcing edge and a second reinforcing edge, the first reinforcing edges are arranged in multiple groups and are arranged parallel to each other, the second reinforcing edges are arranged in multiple groups and are arranged parallel to each other, and the second reinforcing edges are perpendicular to the first reinforcing edges.

[0008] By adopting the above technical solution, the positioning and fixation of the rails can be achieved by passing bolts and nuts through the positioning holes and threadedly connected, so that the main pad forms a support for the rails. The first reinforcing ridge and the second reinforcing ridge arranged perpendicular to each other can improve the structural strength of the main pad, improve the bending resistance of the main pad, reduce the bending deformation of the main pad in the process of supporting the rails, increase the service life of the shock-absorbing pad, and reduce the replacement frequency of the shock-absorbing pad.

[0009] Optionally, a second reinforcement layer is provided on the side of the main pad facing away from the first reinforcement layer, and the second reinforcement layer includes a third reinforcement edge and a fourth reinforcement edge, the third reinforcement edges are provided in multiple groups and are arranged parallel to each other, the fourth reinforcement edges are provided in multiple groups and are arranged parallel to each other, the third reinforcement edges are perpendicular to the fourth reinforcement edges, and the third reinforcement edges intersect with the straight line where the first reinforcement edges are located and are not perpendicular to each other.

[0010] By adopting the above-mentioned technical scheme, the arrangement of the third reinforcing edge and the fourth reinforcing edge can further improve the structural strength of the main pad, and because the straight line where the third reinforcing edge and the first reinforcing edge are located intersect with each other and are not perpendicular, that is, the first reinforcing layer and the second reinforcing layer can improve the bending resistance of the main pad at different angles, so that the main pad is not prone to bending and deformation at all angles, thereby further improving the service life of the main pad.

[0011] Optionally, the width of the limiting plate gradually increases in a direction approaching the main pad.

[0012] By adopting the above technical scheme, the connection strength between the limit plate and the main pad is improved, the structural strength of the limit plate itself is also improved, the phenomenon of mutual breakage between the limit plate and the main pad is reduced, the phenomenon of bending and deformation of the limit plate during operation is reduced, and the service life of the shock-absorbing pad is improved.

[0013] Optionally, a flexible anti-slip pad is provided on the side of the limiting plate facing the rail.

[0014] By adopting the above technical solution, the setting of the flexible anti-skid pad can improve the friction coefficient between the limit plate and the rail, reduce the phenomenon of the rail detaching from the limit plate, and the flexible anti-skid pad can convert the rigid contact between the rail and the limit plate into flexible contact, inhibiting the vibration generated by the rail during operation from being transmitted to the limit plate, reducing the phenomenon of the limit plate being damaged by the vibration of the rail.

[0015] Optionally, surfaces of the main pad and the limiting plate are coated with an anti-oxidation coating.

[0016] By adopting the above technical scheme, the setting of the anti-oxidation coating can reduce the difficulty of the surface of the main pad and the limit plate coming into contact with the air, reduce the phenomenon of oxidation damage to the main pad and the limit plate, improve the quality stability of the main pad and the limit plate, and increase the overall service life of the shock-absorbing pad.

[0017] Optionally, a protective sleeve is connected to the inner wall of the positioning hole, and the protective sleeve covers the inner wall of the positioning hole.

[0018] By adopting the above technical solution, the provision of the protective sleeve can prevent the bolts from directly contacting the inner wall of the positioning hole when fixing, reduce the friction damage and cracking of the main pad at the inner wall of the positioning hole, and further improve the service life of the shock-absorbing pad.

[0019] Optionally, a shock-absorbing pad is provided on the side of the main pad facing the rail, one side of the shock-absorbing pad abuts against the main pad, and the other side abuts against the rail.

[0020] By adopting the above technical solution, the setting of the shock-absorbing pad can suppress the transmission of vibration at the rail to the main pad, reduce the noise caused by vibration between the rail and the main pad, and improve the user experience of the shock-absorbing pad.

[0021] Optionally, the main pad is made of polymer material.

[0022] By adopting the above technical solution, the main pad made of polymer material is integrated and the overall structural strength is high.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. The rails can be positioned and fixed by passing bolts and nuts through the positioning holes and threadedly connected, so that the main pad forms a support for the rails. The first reinforcing ridge and the second reinforcing ridge arranged perpendicular to each other can improve the structural strength of the main pad and improve the bending resistance of the main pad; the arrangement of the third reinforcing ridge and the fourth reinforcing ridge can further improve the structural strength of the main pad, and because the third reinforcing ridge intersects with the straight line where the first reinforcing ridge is located and is not perpendicular to each other, that is, the first reinforcing layer and the second reinforcing layer can improve the bending resistance of the main pad at different angles, so that the main pad is not prone to bending and deformation at all angles, which further improves the service life of the main pad.

[0025] 2. The setting of the flexible anti-skid pad can improve the friction coefficient between the limit plate and the rail, reduce the phenomenon of the rail detaching from the limit plate, and the flexible anti-skid pad can convert the rigid contact between the rail and the limit plate into flexible contact, inhibiting the vibration generated by the rail during work from being transmitted to the limit plate, reducing the phenomenon of the limit plate being damaged by the vibration of the rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the durable shock-absorbing pad of an embodiment of the present application.

[0027] Figure 2 It is a schematic diagram showing the structure of the first reinforcement layer.

[0028] Explanation of the accompanying drawings: 1. Main pad; 2. Rail; 3. Limit plate; 4. Positioning hole; 5. First reinforcement layer; 51. First reinforcement edge; 52. Second reinforcement edge; 6. Second reinforcement layer; 61. Third reinforcement edge; 62. Fourth reinforcement edge; 7. Flexible anti-slip pad; 8. Protective cover; 9. Shock-absorbing pad. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-2 This application is described in further detail.

[0030] The present application discloses a durable shock-absorbing pad. Figure 1 The durable shock-absorbing pad includes a main pad 1 and a rail 2. The main pad 1 is used to support the rail 2. The main pad 1 is made of a polymer material. The polymer material of this embodiment can be polyurethane. A limiting plate 3 is also integrally formed on the main pad 1. The limiting plates 3 of this embodiment are provided with two groups and are arranged parallel to each other. The rail 2 is located between the two groups of limiting plates 3. The width of the limiting plates 3 gradually increases along the direction close to the main pad 1. The cross-section of the limiting plate 3 in this embodiment is a trapezoid. A flexible anti-skid pad 7 is bonded to the side of the limiting plate 3 facing the rail 2. The flexible anti-skid pad 7 in this embodiment The material may be rubber; the surfaces of the main pad 1 and the limiting plate 3 are coated with an anti-oxidation coating, and a number of positioning holes 4 are also provided on the main pad 1, the inner walls of the positioning holes 4 are bonded with protective sleeves 8, and anti-slip strips cover the inner walls of the positioning holes 4, and bolts are inserted into the positioning holes 4, and the bolts are threadedly connected with nuts, and the bolts and nuts are used to achieve a fixed connection between the rail 2 and the limiting plate 3; a shock-absorbing pad 9 is also bonded to the side of the main pad 1 facing the rail 2, one side of the shock-absorbing pad 9 abuts against the main pad 1 and the other side abuts against the rail 2. The material of the shock-absorbing pad 9 in the embodiment of the present application may be rubber.

[0031] Reference Figure 1 and Figure 2A first reinforcing layer 5 is provided on the side of the main pad 1 away from the limiting plate 3, and a second reinforcing layer 6 is provided on the side of the main pad 1 away from the first reinforcing layer 5. The first reinforcing layer 5 includes a first reinforcing edge 51 and a second reinforcing edge 52. In this embodiment, a plurality of first reinforcing edges 51 are provided and are arranged in parallel with each other, and a plurality of second reinforcing edges 52 are provided and are arranged in parallel with each other. Each first reinforcing edge 51 is perpendicular to the second reinforcing edge 52; the second reinforcing layer 6 includes a third reinforcing edge 61 and a fourth reinforcing edge 62. The third reinforcing edge 61 is provided in a plurality of groups and are arranged in parallel with each other, and a plurality of fourth reinforcing edges 62 are provided and are arranged in parallel with each other. The third reinforcing edge 61 is perpendicular to the fourth reinforcing edge 62, and the third reinforcing edge 61 is not on the same straight line with the first reinforcing edge 51 and the second reinforcing edge 52, that is, the flexural resistance provided by the first reinforcing layer 5 and the second reinforcing layer 6 is not in the same direction.

[0032] The implementation principle of a durable shock-absorbing pad in an embodiment of the present application is as follows: when in use, the main pad 1 is installed and placed at the specified position, the rail 2 is installed between the two sets of limit plates 3, and the rail 2 is installed and fixed by passing bolts and nuts through the positioning holes 4. When in working state, the first reinforcing edge 51, the second reinforcing edge 52, the third reinforcing edge 61 and the fourth reinforcing edge 62 provide the main pad 1 with bending resistance in multiple directions, and the flexible anti-slip pad 7 and the shock-absorbing pad 9 can achieve the shock-absorbing and noise-reducing effect of the rail 2, thereby improving the user experience of the shock-absorbing pad.

[0033] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A durable shock-absorbing pad, comprising a main pad (1) and a rail (2), wherein a limit plate (3) is arranged on the main pad (1), a positioning hole (4) is arranged on the main pad (1), and the limit plate (3) is used to be connected and fixed to the rail (2), characterized in that: The main pad (1) has a first reinforcement layer (5) on a side facing away from the limiting plate (3), wherein the first reinforcement layer (5) comprises a first reinforcement edge (51) and a second reinforcement edge (52), wherein the first reinforcement edges (51) are provided in a plurality of groups and are arranged parallel to each other, and the second reinforcement edges (52) are provided in a plurality of groups and are arranged parallel to each other, and the second reinforcement edges (52) are perpendicular to the first reinforcement edges (51).

2. The durable shock-absorbing pad according to claim 1, characterized in that: A second reinforcement layer (6) is arranged on the side of the main pad (1) facing away from the first reinforcement layer (5), and the second reinforcement layer (6) includes a third reinforcement edge (61) and a fourth reinforcement edge (62). The third reinforcement edges (61) are arranged in multiple groups and are arranged in parallel with each other, and the fourth reinforcement edges (62) are arranged in multiple groups and are arranged in parallel with each other. The third reinforcement edges (61) are perpendicular to the fourth reinforcement edges (62), and the third reinforcement edges (61) and the straight line where the first reinforcement edges (51) are located intersect each other and are not perpendicular.

3. The durable shock-absorbing pad according to claim 1, characterized in that: The width of the limiting plate (3) gradually increases in a direction approaching the main pad (1).

4. The durable shock-absorbing pad according to claim 1, characterized in that: A flexible anti-slip pad (7) is provided on the side of the limiting plate (3) facing the rail (2).

5. The durable shock-absorbing pad according to claim 1, characterized in that: The surfaces of the main backing plate (1) and the limiting plate (3) are both coated with an anti-oxidation coating.

6. The durable shock-absorbing pad according to claim 1, characterized in that: A protective sleeve (8) is connected to the inner wall of the positioning hole (4), and the protective sleeve (8) covers the inner wall of the positioning hole (4).

7. The durable shock-absorbing pad according to claim 1, characterized in that: A shock-absorbing pad (9) is provided on the side of the main pad (1) facing the rail (2); one side of the shock-absorbing pad (9) abuts against the main pad (1) and the other side abuts against the rail (2).

8. The durable shock-absorbing pad according to claim 1, characterized in that: The main backing plate (1) is made of polymer material.

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