Low-dynamic-stress high-speed turnout frog structure

Abstract

The utility model relates to the technical field of railway turnouts, in particular to a low-dynamic-stress high-speed turnout frog structure which comprises a sliding bed platen, two sets of wing rails, a point rail and a rubber pad, and the two sets of wing rails are both arranged on the sliding bed platen; the point rail is arranged on the sliding bed platen, and the point rail is arranged between the two sets of wing rails; the rubber pad is arranged at the bottom of the point rail, and the rubber pad is arranged between the point rail and the sliding bed platen. According to the utility model, the rubber pad is used as a liner, so that the vibration and friction during the operation of a train are effectively reduced, and the risk of railway traffic accidents is reduced. By optimally designing the elastic coefficient and the friction coefficient of the rubber pad, the stability of the turnout structure is improved, the service life of the turnout structure is prolonged, and the maintenance and replacement cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of railway turnouts, in particular to a low dynamic stress high-speed turnout frog structure. Background Art

[0002] At present, during the operation of trains, due to vibration and repeated use, the turnout structure is easily damaged, resulting in an increased risk of railway accidents. In addition, the turnout structure used in the prior art has certain limitations in durability and safety, and still cannot avoid the large wheel-rail impact force when the frog structure bears alone. Now a device that can reduce the wheel-rail impact force borne by the frog structure is needed. Utility Model Content

[0003] The purpose of the utility model is to provide a low dynamic stress high-speed turnout frog structure to improve the above problems. In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0004] The present application provides a low dynamic stress high-speed turnout frog structure, comprising: a slide bed platen, wing rails, a heart rail and a rubber pad, wherein two groups of wing rails are provided, and both groups of wing rails are provided on the slide bed platen; the heart rail is provided on the slide bed platen, and the heart rail is provided between the two groups of wing rails; the rubber pad is provided at the bottom of the heart rail, and the rubber pad is provided between the heart rail and the slide bed platen.

[0005] Optionally, the thickness of the rubber pad is 10 mm.

[0006] Optionally, the width of the rubber pad is the same as the width of the center rail.

[0007] Optionally, the static stiffness of the rubber pad is greater than or equal to 200 KN per square meter.

[0008] Optionally, the elastic modulus of the rubber pad is 0.0078 GPa.

[0009] Optionally, the friction coefficient of the rubber pad is 0.8.

[0010] Optionally, the top of the center rail is in contact with the wing rail.

[0011] Optionally, a gap is provided between the bottom of the center rail and the bottom of the wing rail.

[0012] The beneficial effects of the utility model are:

[0013] The turnout frog structure of the utility model adopts rubber pads as linings, which effectively reduces the vibration and friction during the operation of the train, thereby reducing the risk of railway traffic accidents. By optimizing the elastic coefficient and friction coefficient of the rubber pad, the stability of the turnout structure is improved, its service life is extended, and the maintenance and replacement costs are reduced. The improved turnout structure can reduce the energy loss and mechanical resistance during the operation of the train, thereby improving the efficiency and operation speed of railway transportation. The turnout structure provided by the present invention has the characteristics of adjustable rubber pad thickness, width and material, which can adapt to the railway transportation needs under different conditions and provide greater flexibility and operability.

[0014] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the embodiments of the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures specifically pointed out in the written description, claims, and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic cross-sectional view of the structure of the low dynamic stress high-speed turnout frog structure described in the embodiment of the utility model.

[0017] Markings in the figure: 1. Slider bed plate; 2. Wing rail; 3. Heart rail; 4. Rubber pad. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0019] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. At the same time, in the description of the present utility model, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0020] Example 1

[0021] like Figure 1 As shown, this embodiment provides a low dynamic stress high-speed turnout frog structure, including: a slide bed plate 1, wing rails 2, a heart rail 3 and a rubber pad 4, the wing rails 2 are provided in two groups, and the two groups of wing rails 2 are arranged on the slide bed plate 1; the heart rail 3 is arranged on the slide bed plate 1, and the heart rail 3 is arranged between the two groups of wing rails 2; the rubber pad 4 is arranged at the bottom of the heart rail 3, and the rubber pad 4 is arranged between the heart rail 3 and the slide bed plate 1.

[0022] The turnout frog structure of the utility model adopts a rubber pad 4 as a liner, which effectively reduces the vibration and friction during the operation of the train, thereby reducing the risk of railway traffic accidents. By optimizing the elastic coefficient and friction coefficient of the rubber pad 4, the stability of the turnout structure is improved, its service life is extended, and the maintenance and replacement costs are reduced. The improved turnout structure can reduce the energy loss and mechanical resistance during the operation of the train, thereby improving the efficiency and operation speed of railway transportation. The turnout structure provided by the present invention has the characteristics of adjustable thickness, width and material of the rubber pad 4, which can adapt to the railway transportation needs under different conditions and provide greater flexibility and operability.

[0023] Wherein, the thickness of the rubber pad 4 is 10 mm.

[0024] The 10 mm thick rubber pad 4 of the utility model can provide appropriate softness and elasticity, so that the rubber pad 4 can effectively absorb and alleviate the vibration and impact caused by the running of the train. This helps to reduce the vibration of the turnout structure transmitted to the rails and the surrounding environment, reduce noise and vibration levels, and improve the comfort and safety of railway transportation.

[0025] Secondly, the thickness of 10 mm has sufficient shock absorption effect while not excessively affecting the stability and reliability of the turnout structure. Too thin a pad may not provide sufficient shock absorption effect, while too thick a pad may increase the risk of structural deformation and displacement, affecting the safety and stability of railway transportation. Therefore, a thickness of 10 mm is the best choice to strike a balance between shock absorption and stability.

[0026] The width of the rubber pad 4 is the same as the width of the center rail 3 .

[0027] The design of the rubber pad 4 having the same width as the center rail 3 can ensure that the rubber pad 4 can completely cover the bottom of the center rail 3 and maintain close contact with it, thereby maximizing the shock absorption and buffering effect of the rubber pad 4 and improving the stability and safety of the turnout structure.

[0028] Wherein, the static stiffness of the rubber pad 4 is greater than or equal to 200 KN per square meter.

[0029] The design of the static stiffness of the rubber pad 4 in the utility model being greater than or equal to 200 kN per square meter can effectively improve the stability and shock absorption effect of the turnout structure, reduce vibration transmission and noise levels, improve the safety and comfort of railway transportation, while also reducing maintenance and replacement costs and extending the service life of the turnout.

[0030] Wherein, the elastic modulus of the rubber pad 4 is 0.0078 GPa.

[0031] The design of specifying the elastic modulus of the rubber pad 4 as 0.0078 GPa in the utility model can effectively improve the shock absorption effect and stability of the turnout structure, reduce vibration transmission and noise level, and improve the safety and comfort of railway transportation.

[0032] Wherein, the friction coefficient of the rubber pad 4 is 0.8.

[0033] The design of the friction coefficient of the rubber pad 4 specified in the utility model being 0.8 can effectively improve the stability and shock absorption effect of the turnout structure, maintain the position of the turnout stable, reduce the movement or sliding of the structure, and improve the safety and comfort of railway transportation.

[0034] The top of the center rail 3 is in contact with the wing rail 2 .

[0035] The design of the top of the center rail 3 of the utility model being in contact with the wing rail 2 can effectively improve the flatness and stability of the turnout structure, reduce the bumps and noise during train travel, extend the service life of the turnout and the vehicle, and also improve the safety and comfort of railway transportation.

[0036] A gap is provided between the bottom of the center rail 3 and the bottom of the wing rail 2 .

[0037] The design choice of setting a gap between the bottom of the center rail 3 and the bottom of the wing rail 2 of the utility model can improve the flexibility and adaptability of the turnout structure, extend the service life, reduce maintenance costs, and improve drainage performance and operational reliability.

[0038] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0039] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A low dynamic stress high-speed turnout frog structure, characterized in that: include: Slider bed plate (1); Wing rails (2), wherein two groups of wing rails (2) are provided, and both groups of wing rails (2) are provided on the slide bed platen (1); A center rail (3), wherein the center rail (3) is arranged on the slide bed plate (1), and the center rail (3) is arranged between two sets of wing rails (2); as well as A rubber pad (4), wherein the rubber pad (4) is arranged at the bottom of the center rail (3), and the rubber pad (4) is arranged between the center rail (3) and the slide bed platen (1).

2. The low dynamic stress high-speed turnout frog structure according to claim 1, characterized in that: The thickness of the rubber pad (4) is 10 mm.

3. The low dynamic stress high-speed turnout frog structure according to claim 1, characterized in that: The width of the rubber pad (4) is the same as the width of the center rail (3).

4. The low dynamic stress high-speed turnout frog structure according to claim 1, characterized in that: The static stiffness of the rubber pad (4) is greater than or equal to 200 KN per square meter.

5. The low dynamic stress high-speed turnout frog structure according to claim 1, characterized in that: The elastic modulus of the rubber pad (4) is 0.0078 GPa.

6. The low dynamic stress high-speed turnout frog structure according to claim 1, characterized in that: The friction coefficient of the rubber pad (4) is 0.

8.

7. The low dynamic stress high-speed turnout frog structure according to claim 1, characterized in that: The top of the center rail (3) is in contact with the wing rail (2).

8. The low dynamic stress high-speed turnout frog structure according to claim 1, characterized in that: A gap is provided between the bottom of the center rail (3) and the bottom of the wing rail (2).

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