Vibration reduction steel rail fastener for metro

Abstract

The utility model discloses a metro vibration reduction steel rail fastener, and particularly relates to the technical field of metro vibration reduction steel rail fasteners, an L-shaped fixing plate is arranged below a fixing plate, a bottom plate screw hole is formed in a bottom plate, an L-shaped fixing plate fixing screw is arranged below the L-shaped fixing plate, a T-shaped rubber pad is installed below a connecting plate, and the T-shaped rubber pad is connected with the connecting plate. The stability and the damping effect of the damping steel rail fastener are further enhanced through the T-shaped rubber pad below the connecting plate, the T-shaped rubber pad serves as a buffer layer between the fastener and a rail, direct contact between the damping steel rail fastener and the rail is effectively prevented, vibration transmission can be further reduced through the elastic characteristic of the T-shaped rubber pad, and the damping effect of the damping steel rail fastener is further improved. The overall strength of the vibration reduction steel rail fastener is greatly improved through the L-shaped fixing plate, the L-shaped fixing plate is firmly fixed to the upper portion of the bottom plate through the L-shaped fixing plate fixing screws, a stable fixing structure is formed, and vibration, impact and some impacts in the running process of a subway can be effectively resisted.

Description

Technical Field

[0001] The utility model relates to the technical field of subway vibration-damping rail fasteners, and more specifically, to a subway vibration-damping rail fastener. Background Art

[0002] With the rapid development of urban rail transit in my country, the vibration and noise problems caused by it have become increasingly serious. For track vibration and noise reduction technology, compared with other forms of vibration reduction methods (elastic boots, trapezoidal sleepers and rubber floating plates, etc.), the use of vibration-damping rail fasteners has the advantages of high cost performance, easy construction and maintenance, and good vibration reduction effect.

[0003] After searching, an existing patent (publication number: CN 103866656 A) was found to address the aforementioned technical issues. The present invention provides the following technical solution: a subway vibration-damping rail fastener comprising an iron pad base fixed to a concrete sleeper, a rail support plate above the pad base, and two spring bars for clamping the rails. While developing the present invention, the inventors discovered the following problems with the prior art:

[0004] Existing subway vibration-damping rail fasteners have a complex design and contain multiple materials and components, which may result in relatively high manufacturing costs, which may increase the total cost of the project;

[0005] Therefore, in order to solve the above problems, a subway vibration-damping rail fastener is proposed. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides a subway vibration-damping rail fastener to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solution: it includes a device main body, a fixing plate is provided below the device main body, an L-shaped fixing plate is provided below the fixing plate, an L-shaped fixing plate fixing screw is provided below the L-shaped fixing plate, a base plate is provided below the L-shaped fixing plate fixing screw, a base plate screw hole is provided inside the base plate, a cross nut is provided below the fixing plate, a screw rod is provided below the cross nut, a cross screw housing is provided below the screw rod, a shock-absorbing spring is provided inside the cross screw housing, a stabilizing disc hole is provided below the shock-absorbing spring, a connecting plate is provided on the right side of the stabilizing disc hole, and a T-shaped rubber pad is provided below the connecting plate.

[0008] Preferably, fixing plate fixing screws are installed above the fixing plate.

[0009] Preferably, a fixing plate fixing screw hole is installed below the fixing plate fixing screw.

[0010] Preferably, a cross screw support rod is embedded below the shock absorbing spring, and the cross screw support is embedded outside the shock absorbing spring.

[0011] Preferably, a stabilizing disc is embedded below the cross screw support rod, and the stabilizing disc is embedded outside the cross screw support rod.

[0012] Preferably, a stabilizing disc hole is installed below the shock absorbing spring, and the stabilizing disc hole is installed below the shock absorbing spring in an up-down structure.

[0013] Preferably, a connecting plate is embedded in the outer side of the stabilizing disc hole, and the connecting plate is embedded in the outside of the stabilizing disc hole.

[0014] Preferably, a T-shaped rubber pad is installed below the connecting plate, and the T-shaped rubber pad is installed below the connecting plate in an up-and-down structure.

[0015] Technical effects and advantages of this utility model:

[0016] The L-shaped fixing plate under the L-shaped fixing plate is a combination of the fixing plate under the L-shaped fixing plate and the bottom plate under the L-shaped fixing plate fixing screw. The L-shaped fixing plate is firmly fixed to the top of the bottom plate through the L-shaped fixing plate fixing screw, forming a stable fixing structure that can effectively resist vibration and impact during subway operation and some collisions. In addition, the bottom plate screw hole design inside the bottom plate makes the installation of the vibration-damping rail fastener more flexible and convenient for users, can adapt to different installation environments, and improves the adaptability to the environment. In terms of vibration reduction, the vibration-damping rail fastener is a combination of the cross nut under the fixing plate, the screw rod under the cross nut and the cross screw shell under the screw rod. In addition, the damping spring configured inside the cross screw housing plays a key role. The damping spring not only enhances the structural stability of the vibration-damping rail fastener through the cross screw support rod 11 embedded under the damping spring and the stabilizing disc under the cross screw support rod, but also effectively absorbs the energy of the track vibration, significantly reducing the impact of vibration on subway operation. The design of the stabilizing disc hole under the stabilizing disc, combined with the connecting plate embedded outside the stabilizing disc hole and the T-shaped rubber pad under the connecting plate, further enhances the stability and vibration reduction effect of the vibration-damping rail fastener. The T-shaped rubber pad serves as a buffer layer between the fastener and the track, not only effectively preventing direct contact between the vibration-damping rail fastener and the track, but also can further reduce vibration transmission through its elastic properties. In summary, the subway vibration-damping rail fastener of the present invention has the advantages of stable structure, flexible installation, and significant vibration reduction effect. Its unique design and structure not only improves the stability and safety of the subway track, but also reduces the impact of vibration on subway operation, providing passengers with a more comfortable and safe riding environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 This is an enlarged structural diagram of point A of the present invention.

[0019] Figure 3 It is a partial structural diagram of the utility model.

[0020] Figure 4 It is a schematic diagram of the internal structure of the utility model.

[0021] The accompanying drawings are marked as follows: 1. device body; 2. fixing plate; 3. L-shaped fixing plate; 4. L-shaped fixing plate fixing screw; 5. bottom plate; 6. bottom plate screw hole; 7. cross nut; 8. screw rod; 9. cross screw housing; 10. shock-absorbing spring; 11. cross screw support rod; 12. stabilizing disc; 13. stabilizing disc hole; 14. connecting plate; 15. T-shaped rubber pad; 16. fixing plate fixing screw; 17. fixing plate fixing screw hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example 1

[0024] As attached Figure 1-4 The subway vibration-damping rail fastener shown includes a device body 1, a fixing plate 2 is provided below the device body 1, an L-shaped fixing plate 3 is provided below the fixing plate 2, an L-shaped fixing plate fixing screw 4 is provided below the L-shaped fixing plate 3, a base plate 5 is provided below the L-shaped fixing plate fixing screw 4, a base plate screw hole 6 is provided inside the base plate 5, a cross nut 7 is provided below the fixing plate 2, a screw rod 8 is provided below the cross nut 7, a cross screw housing 9 is provided below the screw rod 8, a shock-absorbing spring 10 is provided inside the cross screw housing 9, a stabilizing disc hole 13 is provided below the shock-absorbing spring 10, a connecting plate 14 is provided on the right side of the stabilizing disc hole 13, and a T-shaped rubber pad 15 is provided below the connecting plate 14.

[0025] Among them: Compared with the existing technology, the subway vibration-damping rail fastener has a unique structural design and comprehensive functions, achieving multiple advantages and significantly improving the stability and safety of the subway track. First, the device body 1 serves as the core of the entire fastener, ensuring the overall stability and load-bearing capacity of the fastener. Secondly, through the combination of the fixing plate 2 under the device body 1 and the L-shaped fixing plate 3 under the fixing plate 2, the overall strength of the vibration-damping rail fastener is greatly improved. Combined with the L-shaped fixing plate fixing screws 4 under the L-shaped fixing plate 3 and the bottom plate 5 under the L-shaped fixing plate fixing screws 4, through The L-shaped fixing plate fixing screws 4 firmly fix the L-shaped fixing plate 3 above the base plate 5, forming a stable fixing structure that can effectively resist the vibration and impact and some collisions during subway operation. In addition, the base plate screw hole 6 design inside the base plate 5 makes the user more flexible and convenient to install the vibration-damping rail fastener, which can adapt to different installation environments and improve the adaptability to the environment. In terms of vibration reduction, this vibration-damping rail fastener is a combination of the cross nut 7 under the fixing plate 2, the screw rod 8 under the cross nut 7 and the cross screw shell 9 under the screw rod 8, and the cross screw shell 9 under the screw rod 8. The damping spring 10 configured inside the upper cross screw housing 9 plays a key role. The damping spring 10 not only enhances the structural stability of the vibration-damping rail fastener through the cross screw support rod 11 embedded below the damping spring 10 and the stabilizing disc 12 below the cross screw support rod 11, but also effectively absorbs the energy of track vibration, significantly reducing the impact of vibration on subway operation. Through the design of the stabilizing disc hole 13 below the stabilizing disc 12, combined with the connecting plate 14 embedded outside the stabilizing disc hole 13 and the T-shaped rubber pad 15 below the connecting plate 14, further The stability and vibration reduction effect of the vibration-damping rail fastener are enhanced. The T-shaped rubber pad 15 serves as a buffer layer between the fastener and the track, which not only effectively prevents direct contact between the vibration-damping rail fastener and the track, but also can further reduce vibration transmission through its elastic properties. In summary, the subway vibration-damping rail fastener of the present invention has the advantages of stable structure, flexible installation, and significant vibration reduction effect. Its unique design and structure not only improves the stability and safety of the subway track, but also reduces the impact of vibration on subway operation, providing passengers with a more comfortable and safe riding environment.

[0026] Example 2

[0027] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working methods, as described below:

[0028] like Figure 2 As shown, as a preferred embodiment; the design of the fixing plate fixing screws 16 and the fixing plate fixing screw holes 17, through the combination of the fixing plate fixing screws 16 and the fixing plate fixing screw holes 17, greatly enhances the overall structural strength and stability of the fixing plate 2.

[0029] The working process of this utility model is as follows:

[0030] Compared with the existing technology, the subway vibration-damping rail fastener has a unique structural design and comprehensive functions, achieving multiple advantages and significantly improving the stability and safety of the subway track. First, the device body 1 serves as the core of the entire fastener, ensuring the overall stability and load-bearing capacity of the fastener. Secondly, through the combination of the fixing plate 2 under the device body 1 and the L-shaped fixing plate 3 under the fixing plate 2, the overall strength of the vibration-damping rail fastener is greatly improved. Combined with the L-shaped fixing plate fixing screws 4 under the L-shaped fixing plate 3 and the bottom plate 5 under the L-shaped fixing plate fixing screws 4, the L-shaped fixing plate fixing The fixed screws 4 firmly fix the L-shaped fixing plate 3 on the top of the base plate 5, forming a stable fixing structure, which can effectively resist the vibration, impact and some collisions during subway operation. In addition, the base plate screw hole 6 design inside the base plate 5 makes the user more flexible and convenient to install the vibration-damping rail fastener, which can adapt to different installation environments and improve the adaptability to the environment. In terms of vibration reduction, this vibration-damping rail fastener is a combination of the cross nut 7 under the fixing plate 2, the screw rod 8 under the cross nut 7 and the cross screw shell 9 under the screw rod 8, plus the cross screw shell 9 inside The configured damping spring 10 plays a key role. The damping spring 10 not only enhances the structural stability of the vibration-damping rail fastener through the cross screw support rod 11 embedded under the damping spring 10 and the stabilizing disc 12 under the cross screw support rod 11, but also effectively absorbs the energy of track vibration, significantly reducing the impact of vibration on subway operation. The design of the stabilizing disc hole 13 under the stabilizing disc 12, combined with the connecting plate 14 embedded outside the stabilizing disc hole 13 and the T-shaped rubber pad 15 under the connecting plate 14, further enhances the stability of the vibration-damping rail fastener. The T-shaped rubber pad 15 serves as a buffer layer between the fastener and the track, which not only effectively prevents direct contact between the vibration-damping rail fastener and the track, but also can further reduce vibration transmission through its elastic properties. In summary, the subway vibration-damping rail fastener of the present invention has the advantages of stable structure, flexible installation, and significant vibration reduction effect. Its unique design and structure not only improves the stability and safety of the subway track, but also reduces the impact of vibration on subway operation, providing passengers with a more comfortable and safe riding environment. This is the working process and working principle of the device.

[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0032] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0033] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A subway vibration-damping rail fastener, comprising a device body (1), characterized in that: A fixing plate (2) is provided below the device body (1); An L-shaped fixing plate (3) is provided below the fixing plate (2), an L-shaped fixing plate fixing screw (4) is provided below the L-shaped fixing plate (3), a bottom plate (5) is provided below the L-shaped fixing plate fixing screw (4), a bottom plate screw hole (6) is provided inside the bottom plate (5), a cross nut (7) is provided below the fixing plate (2), a screw rod (8) is provided below the cross nut (7), a cross screw housing (9) is provided below the screw rod (8), a damping spring (10) is provided inside the cross screw housing (9), a stabilizing disc hole (13) is provided below the damping spring (10), a connecting plate (14) is provided on the right side of the stabilizing disc hole (13), and a T-shaped rubber pad (15) is provided below the connecting plate (14).

2. The subway vibration-damping rail fastener according to claim 1, characterized in that: A fixing plate fixing screw (16) is installed above the fixing plate (2).

3. The subway vibration-damping rail fastener according to claim 2, characterized in that: A fixing plate fixing screw hole (17) is installed below the fixing plate fixing screw (16).

4. The subway vibration-damping rail fastener according to claim 1, characterized in that: A cross screw support rod (11) is embedded below the shock absorbing spring (10), and the cross screw support rod (11) is embedded outside the shock absorbing spring (10).

5. The subway vibration-damping rail fastener according to claim 4, characterized in that: A stabilizing disc (12) is embedded below the cross screw support rod (11), and the stabilizing disc (12) is embedded outside the cross screw support rod (11).

6. The subway vibration-damping rail fastener according to claim 1, characterized in that: A stabilizing disc hole (13) is installed below the shock absorbing spring (10), and the stabilizing disc hole (13) is installed below the shock absorbing spring (10) in an up-down structure.

7. The subway vibration-damping rail fastener according to claim 1, characterized in that: A connecting plate (14) is embedded in the outer side of the stabilizing disc hole (13), and the connecting plate (14) is embedded in the outside of the stabilizing disc hole (13).

8. The subway vibration-damping rail fastener according to claim 1, characterized in that: A T-shaped rubber pad (15) is installed below the connecting plate (14), and the T-shaped rubber pad (15) is installed below the connecting plate (14) in an up-down structure.

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