Steel rail structure with point rail closely attached to switch rail

Abstract

The utility model relates to the technical field of rails, and provides a steel rail structure with a point rail closely attached to a switch rail. The switch rail is arranged on one side of the stock rail, and a movable space is formed between the switch rail and the stock rail; the point rail is arranged in the moving space in a sliding mode, the point rail is used for being attached to the stock rail or the switch rail after moving, and a through hole is formed in the point rail; the jacking iron is arranged on the side wall of the stock rail and located in the moving space, and after the point rail is attached to the stock rail, the jacking iron is used for providing lateral supporting force for the point rail; the ejector rod penetrates through the ejector rod and the stock rail, the end, away from the ejector iron, of the ejector rod is arranged on the side wall of the point rail, the ejector rod penetrates through the through hole, the point rail is slidably arranged on the ejector rod, and the ejector rod is used for limiting and supporting the point rail. According to the technical scheme, the problem that a movable point rail structure cannot be used in a mantle line turnout with small gauge difference in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of railway tracks, and specifically, to a switch rail structure with a closely attached movable point rail and stock rail. Background Art

[0002] In the railway system, the switch rail, the movable point rail and the stock rail are key components in a turnout (also known as a switch). Their function is to enable a train to switch from one track to another. The switch rail is located at the turning point of the turnout, and its function is to guide the train wheelset to smoothly transition from one straight track to another. The movable point rail usually refers to the movable track assembly in the central part of the turnout. The position change of the movable point rail is driven by a switching device to ensure that the train can correctly switch to the required track. The stock rail is the fixed track part in the turnout. It is connected to the switch rail and the movable point rail to provide a continuous driving path for the train.

[0003] However, there is a problem in the existing railway tracks that the movable point rail structure cannot be used in the nested turnout with a small difference in gauge. Summary of the Utility Model

[0004] The utility model provides a switch rail structure with a closely attached movable point rail and stock rail, which solves the problem that the movable point rail structure cannot be used in the nested turnout with a small difference in gauge in the related art.

[0005] The technical solution of the utility model is as follows:

[0006] A switch rail structure with a closely attached movable point rail and stock rail, comprising:

[0007] A stock rail;

[0008] A switch rail, arranged on one side of the stock rail, with an activity space between the switch rail and the stock rail;

[0009] A movable point rail, slidably arranged in the activity space. After the movable point rail moves, it is used to fit the stock rail or the switch rail. The movable point rail has a through hole;

[0010] A gauge tie bar, arranged on the side wall of the stock rail and located in the activity space. After the movable point rail fits the stock rail, the gauge tie bar is used to provide a lateral supporting force for the movable point rail;

[0011] A push rod, penetrating through the push rod and the stock rail. One end of the push rod away from the gauge tie bar is arranged on the side wall of the switch rail. The push rod penetrates through the through hole, and the movable point rail is slidably arranged on the push rod. The push rod is used to limit and support the movable point rail.

[0012] Optionally, one side of the switch rail has a first inclined surface, the stock rail has a second inclined surface, the first inclined surface and the second inclined surface are arranged in parallel, and after the switch rail fits against the stock rail, the first inclined surface fits against the second inclined surface.

[0013] Optionally, the other side of the switch rail has a first flat surface, the tongue rail has a second flat surface, and after the switch rail fits against the tongue rail, the first flat surface fits against the second flat surface.

[0014] Optionally, the side walls of the stock rail and the switch rail are both concave surfaces. One end of the bearing plate is arranged at the concave surface of the stock rail. After the switch rail and the stock rail are fitted together, the other end of the bearing plate abuts against the concave surface of the switch rail.

[0015] Optionally, the bearing plate has a first threaded hole, the ejector rod is a bolt, and the ejector rod is threadedly connected to the first threaded hole.

[0016] Optionally, it further includes:

[0017] A rail brace, which is arranged on the side wall of the stock rail away from the switch rail. The rail brace has a second threaded hole, the second threaded hole is coaxially arranged with the first threaded hole, the second threaded hole is threadedly connected to the ejector rod, and the bearing plate sequentially passes through the rail brace, the stock rail and the bearing plate and abuts against the side wall of the tongue rail.

[0018] Optionally, it further includes:

[0019] A nut, which is threadedly arranged on the ejector rod, and the thread is located on the side of the rail brace away from the bearing plate. The nut is used to adjust the distance that the ejector rod extends into the movable space;

[0020] A washer, which is arranged between the nut and the rail brace.

[0021] Optionally, it further includes:

[0022] An inclined-edge support, which is arranged outside the stock rail. One side of the inclined-edge support is arranged on the tie plate, and the other side of the inclined-edge support is arranged on the rail brace.

[0023] Optionally, the first inclined surface inclines towards the stock rail from top to bottom.

[0024] Optionally, the top corners of the switch rail, the tongue rail and the stock rail are all in arc transition.

[0025] The working principle and beneficial effects of the present utility model are as follows:

[0026] After the movable point rail in the present utility model is closely attached to the switch rail or stock rail, the movable point rail can not only provide lateral support for the switch rail or stock rail, but also share the vehicle weight on the switch rail or stock rail, extend the service life of the switch rail or stock rail, solve the problem that the movable point rail structure cannot be used in the double-track turnout with a small gauge difference, ensure smooth train operation, and enable the wheels to safely pass through the adverse space. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The above characteristics, technical features, advantages and their implementation manners of the present utility model will be further described below in a clear and understandable manner in combination with the drawings of the preferred embodiments.

[0028] Figure 1 It is a schematic diagram of the close contact structure between the switch rail and the point rail of the present utility model;

[0029] Figure 2 It is a schematic diagram of the close contact structure between the stock rail and the point rail of the present utility model.

[0030] In the figure: 1, stock rail; 101, second inclined surface; 2, switch rail; 201, second plane; 3, point rail; 301, first inclined surface; 302, first plane; 303, through hole; 4, bearing plate; 401, first threaded hole; 5, ejector rod; 6, rail brace; 601, second threaded hole; 7, inclined side support; 8, nut; 9, washer; 10, tie plate; 11, clearance space. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the specific embodiments of the present utility model will be described below with reference to the drawings. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts, and other embodiments can also be obtained.

[0032] To make the drawings concise, only the parts related to the utility model are schematically shown in each drawing, and they do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, parts with the same structure or function are only schematically shown for one of them, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one" situation, and "several" includes "two" and "more than two".

[0033] In this text, it should be noted that unless otherwise clearly stipulated and defined, the terms "installation", "connection", and "linkage" shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0034] In addition, in the description of this application, the terms "first", "second", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0035] Referring to Figures 1 to 2 , which is the first embodiment of this utility model, a rail structure of the switch rail 2 closely attached to the movable point rail 3 is proposed, including: a stock rail 1; a switch rail 2 arranged on one side of the stock rail 1, with a movable space 11 between the switch rail 2 and the stock rail 1; a movable point rail 3 slidably arranged in the movable space 11, and after the movable point rail 3 moves, it is used to fit the stock rail 1 or the switch rail 2, and the movable point rail 3 has a through hole 303; a tie bar 4 arranged on the side wall of the stock rail 1 and located in the movable space 11, and after the movable point rail 3 fits the stock rail 1, the tie bar 4 is used to provide a lateral supporting force for the movable point rail 3; a push rod 5 penetrating through the push rod 5 and the stock rail 1, and one end of the push rod 5 away from the tie bar 4 is arranged on the side wall of the switch rail 2, the push rod 5 penetrates through the through hole 303, and the movable point rail 3 is slidably arranged on the push rod 5, and the push rod 5 is used to limit and support the movable point rail 3.

[0036] In the above solution, one side of the switch rail 2 is the working edge, and the other side is the non-working edge. One side of the movable point rail 3 is the working edge, and the other side is the non-working edge. Under normal circumstances, the train travels along the working edge of the rail. The designed structure is that the non-working edge of the switch rail 2 cooperates and closely adheres to the working edge of the movable point rail 3. The movable point rail 3 can not only help the top surface of the switch rail 2 share the weight of the train, but also has a lateral support structure. When the switch rail 2 and the movable point rail 3 are not closely adhered, the movable point rail 3 can still be used as the movable point rail 3. Specifically, when opening the straight track, the switch rail 2 is adjusted to a state where its non-working edge is closely attached to the working edge of the movable point rail 3. At this time, the switch rail 2 closely adheres to the inner stock rail 1 and the movable point rail 3, ensuring that the vehicle can smoothly pass through the turnout composed of a gauge of 1435 mm and 1600 mm. In this process, the movable point rail 3 plays an important role. On the one hand, it provides lateral support for the switch rail 2, enhancing the stability of the switch rail 2 when the vehicle passes through and preventing it from undergoing lateral displacement. On the other hand, the movable point rail 3 can also share the vehicle weight on the switch rail 2, reducing the pressure borne by the switch rail 2, thereby extending the service life of the switch rail 2. When it is necessary to open the curved track, the movable point rail 3 is operated to make it adhere, and at the same time, the switch rail 2 and the movable point rail 3 are separated, so that the movable point rail 3 adheres to the outer stock rail 1. In this way, the vehicle can smoothly pass through the curved track. During this switching process, it is necessary to ensure that the movement of the movable point rail 3 is accurate and rapid to ensure the normal conversion of the turnout.

[0037] It should be noted that when it is necessary for the movable point rail 3 to adhere to the stock rail 1, the movable point rail 3 is pushed to slide on the ejector rod 5 in the direction of the stock rail 1. The ejector rod 5 always plays a role in limiting and supporting the movable point rail 3, ensuring that the movable point rail 3 remains stable in the horizontal movement direction and the vertical direction. The bearing plate 4 is used to provide lateral support for the movable point rail 3 when it is closely adhered to the stock rail 1, and the ejector rod 5 is used to support the movable point rail 3 when it moves and when it is closely adhered to the switch rail 2.

[0038] Furthermore, one side of the movable point rail 3 has a first inclined surface 301, and the stock rail 1 has a second inclined surface 101. The first inclined surface 301 and the second inclined surface 101 are arranged in parallel. After the movable point rail 3 adheres to the stock rail 1, the first inclined surface 301 adheres to the second inclined surface 101.

[0039] In the above solution, when it is necessary for the movable point rail 3 to adhere to the stock rail 1, as the movable point rail 3 precisely slides within the moving space 11, the first inclined surface 301 of the movable point rail 3 gradually approaches and finally closely adheres to the second inclined surface 101 of the stock rail 1. This way of adhesion not only increases the contact area in terms of structure, improving stability, but also the inclined surfaces arranged in parallel can better withstand forces from various directions. It helps to disperse the pressure generated when the vehicle passes through, reducing wear on other components, thereby extending the service life of the entire rail structure.

[0040] Further, the other side of the switch rail 3 has a first plane 302, and the tongue rail 2 has a second plane. After the switch rail 3 fits against the tongue rail 2, the first plane 302 fits against the second plane 201.

[0041] In the above solution, the first plane 302 of the switch rail 3 is the working surface of the switch rail 3, and the other side of the switch rail 3 is the non - working surface. The second plane 201 of the tongue rail 2 is the non - working surface of the tongue rail 2, and the other end of the tongue rail 2 is the working surface. The first plane 302 and the second plane 201 can make the switch rail 3 and the tongue rail 2 fit tightly together, forming a whole rail, which is convenient for the train wheels to pass through.

[0042] Further, the side walls of the stock rail 1 and the switch rail 3 are both concave surfaces. One end of the tie bar 4 is arranged at the concave surface of the stock rail 1. After the switch rail 3 and the stock rail 1 fit together, the other end of the tie bar 4 abuts against the concave surface of the switch rail 3.

[0043] In the above solution, when the stock rail 1 and the switch rail 3 fit tightly together, the concave surfaces of the stock rail 1 and the switch rail 3 can form a space for accommodating the tie bar 4. After the switch rail 3 and the stock rail 1 are in close contact, the tie bar 4 can provide lateral support for the switch rail 3. Specifically, the tie bar 4 is cylindrical or strip - shaped and is installed on the inner side wall of the stock rail 1.

[0044] Further, the tie bar 4 has a first threaded hole 401, the ejector rod 5 is a bolt, and the ejector rod 5 is threadedly connected to the first threaded hole 401.

[0045] In the above solution, the ejector rod 5 is a long bolt. By adjusting the protruding length of the ejector rod 5, the distance between the tongue rail 2 and the stock rail 1 can be adapted, and the tongue rail 2 and the stock rail 1 can be supported. After long - term use, the position distance between the tongue rail 2 and the stock rail 1 can still be ensured to remain unchanged.

[0046] Further, it further includes: a rail brace 6, which is arranged on the side wall of the stock rail 1 away from the switch rail 3. The rail brace 6 has a second threaded hole 601, the second threaded hole 601 is coaxially arranged with the first threaded hole 401, the second threaded hole 601 is threadedly connected to the ejector rod 5, and the tie bar 4 passes through the rail brace 6, the stock rail 1 and the tie bar 4 in sequence and abuts against the side wall of the tongue rail 2.

[0047] In the above solution, the rail brace 6 is installed on the side wall of the stock rail 1 away from the switch rail 3, playing a role in further enhancing the stability of the track. The rail brace 6 has a second threaded hole 601, which is coaxially arranged with the first threaded hole 401 on the ejector rod 5, ensuring the accuracy and stability of the connection. The second threaded hole 601 is threadedly connected to the ejector rod 5, forming a firm connection structure among the rail brace 6, the ejector rod 5, and the stock rail 1. In this process, the rail brace 6 provides additional support and guidance for the gauge tie plate 4, ensuring that the gauge tie plate 4 can accurately exert the lateral support force on the switch rail 3 and the abutting effect on the tongue rail 2. The presence of the rail brace 6 makes the entire rail structure more stable and reliable, capable of better withstanding various forces generated when the vehicle passes, improving the safety and service life of the track.

[0048] Furthermore, it further includes: a nut 8, which is threadedly arranged on the ejector rod 5 and the thread is located on the side of the rail brace 6 away from the gauge tie plate 4, and the nut 8 is used to adjust the distance that the ejector rod 5 extends into the movable space 11; a washer 9, which is arranged between the nut 8 and the rail brace 6.

[0049] In the above solution, when the screw needs to be adjusted, it only needs to rotate the nut 8 to complete, and the operation is simple.

[0050] Furthermore, it further includes: an inclined-edge support 7, which is arranged outside the stock rail 1, one side of the inclined-edge support 7 is arranged on the tie plate 10, and the other side of the inclined-edge support 7 is arranged on the rail brace 6.

[0051] In the above solution, one side of the inclined-edge support 7 is stably arranged on the sleeper 11, and the stability of the sleeper 11 provides a solid foundation for the inclined-edge support 7. The other side of the inclined-edge support 7 is arranged on the rail brace 6, thereby establishing a connection between the rail brace 6 and the sleeper 11. It can effectively disperse the pressure from the stock rail 1, preventing the stock rail 1 from undergoing excessive deformation or displacement when the vehicle passes. At the same time, the cooperation of the inclined-edge support 7 with the rail brace 6 and the sleeper 11 further enhances the overall stability of the entire rail structure, improves the load-bearing capacity and safety of the track, and ensures that the vehicle can run smoothly and safely on the rail.

[0052] Furthermore, the first inclined surface 301 inclines towards the stock rail 1 from top to bottom.

[0053] In the above solution, since the first plane 302 of the switch rail 3 away from the stock rail 1 is the working surface, therefore, the first inclined surface 301 is arranged at the above-mentioned inclined angle, which can ensure that the switch rail 3 and the stock rail 1 can still be closely attached under the extrusion of the wheel.

[0054] Furthermore, the top surface corners of the switch rail 3, the tongue rail 2, and the stock rail 1 are all in arc transition.

[0055] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. A steel rail structure in which a center rail is closely attached to a point rail, characterized in that: include: Basic track (1); A pointed rail (2) is arranged on one side of the base rail (1), and a movable space (11) is provided between the pointed rail (2) and the base rail (1); A center rail (3) is slidably disposed in the activity space (11); the center rail (3) is used to fit the base rail (1) or the point rail (2) after being moved; the center rail (3) has a through hole (303); A top iron (4) is arranged on a side wall of the base rail (1) and is located in the activity space (11); after the center rail (3) is attached to the base rail (1), the top iron (4) is used to provide lateral support force for the center rail (3); A push rod (5) is provided through the push rod (5) and the base rail (1); one end of the push rod (5) away from the push iron (4) is provided on the side wall of the point rail (2); the push rod (5) passes through the through hole (303); the center rail (3) is slidably provided on the push rod (5); and the push rod (5) is used for limiting and supporting the center rail (3).

2. The rail structure of the center rail closely attached to the point rail according to claim 1, characterized in that: The center rail (3) has a first inclined surface (301) on one side, the base rail (1) has a second inclined surface (101), the first inclined surface (301) and the second inclined surface (101) are arranged in parallel, and after the center rail (3) is attached to the base rail (1), the first inclined surface (301) is attached to the second inclined surface (101).

3. The rail structure of a center rail closely attached to a point rail according to claim 1, characterized in that: The other side of the center rail (3) has a first plane (302), and the point rail (2) has a second plane. After the center rail (3) is attached to the point rail (2), the first plane (302) is attached to the second plane.

4. The rail structure of a center rail closely attached to a point rail according to claim 1, characterized in that: The side walls of the basic rail (1) and the center rail (3) are both concave surfaces, one end of the top iron (4) is arranged at the concave surface of the basic rail (1), and after the center rail (3) and the basic rail (1) are attached, the other end of the top iron (4) abuts against the concave surface of the center rail (3).

5. The rail structure of a center rail closely attached to a point rail according to claim 1, characterized in that: The top iron (4) has a first threaded hole (401), the top rod (5) is a bolt, and the top rod (5) is threadedly connected to the first threaded hole (401).

6. The rail structure of a center rail closely attached to a point rail according to claim 5, characterized in that: Also includes: A rail support (6) is arranged on a side wall of the basic rail (1) away from the center rail (3), the rail support (6) having a second threaded hole (601), the second threaded hole (601) being coaxially arranged with the first threaded hole (401), the second threaded hole (601) being threadedly connected to the top rod (5), the top iron (4) sequentially passing through the rail support (6), the basic rail (1) and the top iron (4) and abutting against the side wall of the point rail (2).

7. A steel rail structure with a center rail closely attached to a point rail according to claim 6, characterized in that: Also includes: a nut (8) having a thread disposed on the push rod (5), and the thread being located on a side of the rail support (6) away from the push iron (4), the nut (8) being used to adjust the distance that the push rod (5) extends into the activity space (11); A washer (9) is arranged between the nut (8) and the rail support (6).

8. The rail structure of the center rail closely attached to the point rail according to claim 6, characterized in that: Also includes: A bevel support (7) is arranged outside the base rail (1), one side of the bevel support (7) is arranged on the pad (10), and the other side of the bevel support (7) is arranged on the rail support (6).

9. The rail structure of a center rail closely attached to a point rail according to claim 2, characterized in that: The first inclined surface (301) is inclined from top to bottom in the direction of the base rail (1).

10. The rail structure with a center rail closely attached to a point rail according to claim 1, characterized in that: The top surface corners of the center rail (3), the point rail (2) and the base rail (1) are all arc transitions.

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