Turnout of steel rail

By using a switch composed of 60kg/m rails and raising the connected 50kg/m rail tracks, the problem of easy turnout damage is solved, the strength and service life of the turnout are improved, and the bumps in the train are reduced.

CN222758631UActive Publication Date: 2025-04-15QINHUANGDAO SHANHAIGUAN RAILWAY MATERIAL CO LTD
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Patent Information

Application Number
CN202421496889.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-04-15
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

Due to the complex structure of the switch area, the impact force and lateral pressure when the train passes, the mechanical wear and fatigue damage caused by the aging and damage of materials accelerated, making it a vulnerable part of the railway transportation system.

Method used

A turntable consisting of 60kg/m steel rails is used, and the first track and the second track are raised through the first mounting seat, so that it is on the same horizontal line as the upper end surface of the turntable, ensuring stable passage of the train wheels, preventing bumps, and extending the service life of the turntable.

Benefits of technology

It improves the strength and load-bearing capacity of the switch, reduces train bumps, extends the service life of the switch, and reduces maintenance difficulty and frequency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of rails, and provides a turnout of a steel rail, which comprises a first mounting seat arranged on the ground; the second mounting seat is arranged on the ground; the first track is arranged on the first mounting seat, and the first mounting seat is used for lifting the first track; the second track is arranged on the first mounting seat, and a mounting gap is formed between the first track and the second track; the turnout is arranged on the second mounting base and located in the mounting gap, and the first track is arranged on the second track through the turnout. By means of the technical scheme, the problem that in the prior art, a turnout is prone to damage is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of rails, and in particular to a turnout for a rail. Background Art

[0002] The turnout system currently laid on the line is consistent with the mainline rails in terms of material and specifications, aiming to ensure the continuity and compatibility of the entire railway line. However, the turnout area is a critical and vulnerable link in the railway transportation system, and it faces more challenges and problems than the straight section track. The reasons include but are not limited to the following: 1. Compared with the straight track, the turnout structure is more complex, including many components such as the base rail, point rail, wing rail, and frog, as well as complex linkage and conversion mechanisms, which not only increases the difficulty of maintenance, but also makes the turnout an area where failures frequently occur. 2. When the train passes through the turnout, due to the sudden change in the direction of the track, the wheelset of the vehicle will generate huge impact force and lateral pressure on the point rail, frog and other parts, causing these parts to be prone to mechanical wear and fatigue damage, becoming the most vulnerable part of the track system. 3. Due to the frequent changes of tracks at the turnout, coupled with the slowdown and acceleration of the speed, the wear and impact of the rails, sleepers and fasteners in the turnout area are much greater than those of the straight section, which accelerates the aging and damage process of the material. Utility Model Content

[0003] The utility model provides a rail turnout, which solves the problem that the turnout is easily damaged in the related technology.

[0004] The technical solution of the utility model is as follows:

[0005] A rail turnout, comprising:

[0006] Track 1;

[0007] Track 2;

[0008] Third track;

[0009] A turnout, wherein the end of the turnout is a transition end, the cross-sectional area of ​​the transition end gradually decreases from the turnout toward the first track or the second track, the first track is connected to the second track or the third track through the turnout, and the transport surfaces of the first track, the turnout and the second track are transitionally connected, or the transport surfaces of the first track, the turnout and the third track are transitionally connected.

[0010] As a further technical solution, the turnout comprises:

[0011] The main body has a cross-sectional area of ​​the guide rail on the main body that is larger than the cross-sectional area of ​​the guide rails on the first track, the second track and the third track, the end of the transition end with a large cross-sectional area is connected to the end of the main body guide rail, and the end with a small cross-sectional area is connected to the guide rails of the first track, the second track and the third track.

[0012] As a further technical solution, the first rail, the second rail and the third rail are on the same horizontal line as the upper end surface of the turnout, the first rail and the second rail are smoothly connected to the inner side surface of the turnout, or the first rail and the third rail are smoothly connected to the inner side surface of the turnout, and the upper end surface and the inner side surface form the transport surface.

[0013] As a further technical solution, it also includes:

[0014] A first mounting seat, used to be arranged on the ground, and the first track, the second track and the third track are arranged on the first mounting seat;

[0015] The second mounting seat is used to be set on the ground. The first mounting seat and the second mounting seat both have supporting end surfaces. The supporting end surface of the first mounting seat is higher than the supporting end surface of the second mounting seat. The first track and the second track are both set on the ground through the first mounting seat.

[0016] As a further technical solution, the subject includes:

[0017] A first basic rail, which is arranged on the second mounting seat and has two ends which are respectively connected to a guide rail of the first rail and the second rail through the transition end;

[0018] A second basic rail is arranged on the second mounting seat, and two ends thereof are respectively connected with another guide rail of the first rail and one guide rail of the third rail through the transition ends;

[0019] A change rail is arranged on the second mounting seat, one end of the change rail is connected with another guide rail of the second track and another guide rail of the third track through the transition end, and the other end is slidably arranged on the second mounting seat, and the other end of the change rail has a first abutting end and a second abutting end, after the first abutting end abuts with the first basic rail, the second abutting end is separated from the second basic rail.

[0020] As a further technical solution, one end of the track changer is a frog, and the frog includes:

[0021] A first wing rail, disposed on the second mounting seat, with one end disposed on the first abutting end;

[0022] A second wing rail, disposed on the second mounting seat, with one end disposed on the second abutting end;

[0023] A first center rail, disposed on the second mounting seat, having one end as the transition end and connected to another guide rail of the second track;

[0024] A second center rail is arranged on the second mounting seat, one end of which is the transition end and is connected to another guide rail of the third rail, the other end of the first center rail and the second wing rail have a first passing gap, and the first center rail leads to the other end of the second wing rail, the other end of the second center rail and the first wing rail have a second passing gap, and the second center rail leads to the first wing rail, the first passing gap is connected to the conveying space of the third rail, and the second passing gap is connected to the conveying space of the second rail.

[0025] As a further technical solution, it also includes:

[0026] A sleeper is used to be arranged on the ground, and the first mounting seat and the second mounting seat are arranged on the ground through the sleeper.

[0027] As a further technical solution, the transition end, the first rail, the second rail and the third rail have a first mounting hole, and further include:

[0028] A connecting piece, one end of which is arranged on the transition end, and the other end of which is arranged on the first track, the second track or the third track, the connecting piece is used to connect the transition end with the first track, the second track or the third track, and the connecting piece has a second mounting hole;

[0029] A plurality of bolts are passed through the first mounting hole and the second mounting hole.

[0030] As a further technical solution, it also includes:

[0031] A first rotating plate is rotatably and slidably disposed on the sleeper and is located at one side of the transition end;

[0032] The second rotating plate is rotatably and slidably arranged on the sleeper and is located on the other side of the transition end. After the first rotating plate and the second rotating plate are rotated, the connecting plate is clamped or loosened. The first rotating plate and the second rotating plate both have a plurality of third mounting holes. After the first rotating plate and the second rotating plate are rotated, the third mounting holes are respectively connected with the first mounting holes. The second rotating plate also has a nut placement groove, and the nut placement groove is connected with the third mounting holes.

[0033] As a further technical solution, the second rotating plate further has a through hole, and further comprises:

[0034] A first rotating shaft, one end of which is rotatably disposed on the first rotating plate;

[0035] The second rotating shaft is rotatably arranged on the other end of the first rotating shaft. The first rotating shaft and the second rotating shaft are used to pass through the through hole. After the second rotating shaft rotates, it is used to fix the first rotating plate and the second rotating plate.

[0036] The working principle and beneficial effects of the utility model are:

[0037] In the utility model, in order to solve the problem of easy damage of the turnout in the related technology, the present solution replaces the turnout composed of 50kg / m rails in the prior art with a turnout composed of 60kg / m rails, while the first track and the second track are still composed of 50kg / m rails. Since the 50kg / m rail and the 60kg / m rail have the same shape but different sizes, and the 60kg / m rail is larger in size, in order to connect the turnout with the first track and the second track, the present solution designs a first mounting seat, and the first mounting seat is used to lift the first track and the second track, so that the first track and the second track are on the same horizontal line with the upper end surface of the turnout, ensuring that the train wheels stably pass through the first track, the turnout and the second track, preventing the train from bumping, and extending the service life of the turnout. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] The preferred implementation modes will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present utility model.

[0039] Figure 1 It is a schematic diagram of the structure of the utility model;

[0040] Figure 2 for Figure 1 A magnified schematic diagram of point A;

[0041] Figure 3 It is a schematic diagram of the local structure of the utility model.

[0042] In the figure: 100, first mounting seat, 200, second mounting seat, 300, first track, 400, second track, 310, mounting gap, 500, turnout, 510, main body, 520, transition end, 530, first basic rail, 540, second basic rail, 550, change track, 551, first abutting end, 552, second abutting end, 553, frog, 554, first wing rail, 555, second wing rail, 556, first heart rail, 557, second heart rail, 600, sleeper, 521, first mounting hole, 700, connecting piece, 710, second mounting hole, 800, bolt, 900, first rotating plate, 1000, second rotating plate, 1010, third mounting hole, 1020, nut placement groove, 1030, through hole, 1100, first rotating shaft, 1200, second rotating shaft, 1300, third track. DETAILED DESCRIPTION

[0043] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, they can also be understood as further technical solutions without paying creative work. In some figures, components with the same structure or function are only schematically illustrated, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0044] In this article, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should 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 it can be indirectly connected through an intermediate medium, or it can be a connection between two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0045] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0046] Reference Figure 1 to Figure 3 , which is the first embodiment of the utility model, proposes

[0047] A rail turnout 500 includes: a first rail 300; a second rail 400; a third rail 1300; and the turnout 500, wherein the end of the turnout 500 is a transition end 520, and the cross-sectional area of ​​the transition end 520 gradually decreases from the turnout 500 toward the first rail 300 or the second rail 400. The first rail 300 is connected to the second rail 400 or the third rail 1300 through the turnout 500, and the transport surfaces of the first rail 300, the turnout 500 and the second rail 400 are transitionally connected, or the transport surfaces of the first rail 300, the turnout 500 and the third rail 1300 are transitionally connected.

[0048] In this embodiment, in order to solve the problem that the turnout 500 in the related art is easy to be damaged, this solution replaces the turnout 500 composed of 50kg / m rails in the prior art with a turnout 500 composed of 60kg / m rails, while the first track 300, the second track 400 and the third track 1300 are still composed of 50kg / m rails. Since the 50kg / m rails and the 60kg / m rails have the same shape but different sizes, and the 60kg / m rails are larger in size, in order to connect the turnout 500 with the first track 300 and the second track 400, this solution connects the first track 300, the second track 400 and the third track 1300 with the conveying surface of the turnout 500 through a die forging transition, ensuring that the train wheels stably pass through the first track 300, the turnout 500 and the second track 400, preventing the train from bumping when passing through the turnout 500 and the connection between the first track 300, the second track 400 and the third track 1300, and at the same time extending the service life of the turnout 500. The rails in this solution are guide rails.

[0049] Furthermore, the turnout 500 includes: a main body 510, the cross-sectional area of ​​the guide rail on the main body 510 is greater than the cross-sectional area of ​​the guide rail on the first track 300, the second track 400 and the third track 1300, the end of the transition end 520 with a larger cross-sectional area is connected to the end of the guide rail of the main body 510, and the end with a smaller cross-sectional area is connected to the guide rail of the first track 300, the second track 400 and the third track 1300.

[0050] In this embodiment, the total length of the turnout 500 composed of 60kg / m rails is the same as that of the turnout 500 composed of ordinary 50kg / m rails. In order to connect with the first rail 300, the second rail 400 and the third rail 1300 composed of 50kg / m rails, the transition ends 520 at the head and tail of the main body 510 adopt die forging technology to die-forge the 60kg / m rails into 50kg / m rails, and replace the rails on the main body 510 from 50kg / m rails to 60kg / m rails with higher strength. The main body 510 is fixed on the second mounting seat 200. Under the condition of die forging, the height of the transition end 520 is constantly changing, so that the transition end 520 can smoothly connect the first rail 300, the second rail 400 and the third rail 1300 composed of 50kg / m rails at one end, and smoothly connect the turnout 500 composed of 60kg / m rails at the other end. This embodiment improves the strength and bearing capacity of the turnout 500 and improves the transportation efficiency.

[0051] Furthermore, the first rail 300, the second rail 400 and the third rail 1300 are on the same horizontal line with the upper end surface of the turnout 500, and the first rail 300 and the second rail 400 are smoothly transitioned to the inner side surface of the turnout 500, or the first rail 300 and the third rail 1300 are smoothly transitioned to the inner side surface of the turnout 500, and the upper end surface and the inner side surface form a transport surface.

[0052] In this embodiment, in order to prevent the train from bumping, during die forging, the first rail 300, the second rail 400, the third rail 1300 and the upper end surface of the turnout 500 are forged into a smooth state, and the inner side surfaces of the first rail 300, the second rail 400 and the turnout 500 are also forged into a smooth state. As for other surfaces, the smoothness has little effect. Smooth connection can ensure that the train wheels move stably. If there are uneven positions on the upper end surface, the train will bump when passing by. If there are uneven positions on the inner end surface, the wheels may be seriously damaged.

[0053] Furthermore, it also includes:

[0054] A first mounting seat 100 is used to be arranged on the ground, and a first track 300, a second track 400 and a third track 1300 are arranged on the first mounting seat 100;

[0055] The second mounting seat 200 is used to be set on the ground. The first mounting seat 100 and the second mounting seat 200 both have supporting end surfaces. The supporting end surface of the first mounting seat 100 is higher than the supporting end surface of the second mounting seat 200. The first track 300 and the second track 400 are both set on the ground through the first mounting seat 100.

[0056] The main body 510 includes:

[0057] The first basic rail 530 is disposed on the second mounting seat 200, and both ends thereof are connected to one guide rail of the first rail 300 and the second rail 400 through the transition ends 520;

[0058] The second basic rail 540 is disposed on the second mounting seat 200, and two ends thereof are respectively connected to the other guide rail of the first rail 300 and one guide rail of the third rail 1300 through the transition ends 520;

[0059] The variable rail 550 is arranged on the second mounting seat 200. One end of the variable rail 550 is connected to another guide rail of the second track 400 and another guide rail of the third track 1300 through the transition end 520, and the other end is slidably arranged on the second mounting seat 200. The other end of the variable rail 550 has a first abutting end 551 and a second abutting end 552. After the first abutting end 551 abuts against the first basic rail 530, the second abutting end 552 disengages from the second basic rail 540.

[0060] In the present embodiment, the first track 300, the second track 400 and the third track 1300 are all composed of two guide rails, and the first basic rail 530 and the second basic rail 540 are directly fixed on the second mounting seat 200, and each of the two ends is used as a transition end 520, which is connected to the first track 300 and the second track 400 respectively. At the same time, a basic framework is provided for the train to transition from one main line to another. One end of the change track 550 is fixed on the second mounting seat 200 and fixed on the second track 400, and the other end is designed to be slidably arranged on the second mounting seat 200. The change track 550 can move smoothly along the track direction when the track is converted. This end of the change track 550 has a plurality of transition ends 520 to ensure a stable connection with the second track 400. One end of the change track 550 is designed with a first abutment end 551 and a second abutment end 552. During the switching process of the turnout 500, when the first abutting end 551 is tightly abutted against the first basic rail 530, the second abutting end 552 is separated from the second basic rail 540, and vice versa. This design realizes the rapid and smooth switching of the track, ensuring that the train can safely and smoothly switch from one track to another. The turnout 500 system of this embodiment not only improves the flexibility and accuracy of track switching, but also enhances the integrity and stability of the structure through integrated design.

[0061] Further, one end of the change track 550 is a frog 553, and the frog 553 includes: a first wing rail 554, which is arranged on the second mounting seat 200, and one end of which is arranged on the first abutting end 551; a second wing rail 555, which is arranged on the second mounting seat 200, and one end of which is arranged on the second abutting end 552; a first heart rail 556, which is arranged on the second mounting seat 200, and one end of which is a transition end 520 and is connected to another guide rail of the second track 400; a second heart rail 557, which is arranged on the second mounting seat 200. , one end is a transition end 520, and is connected to another guide rail of the third rail 1300, the other end of the first center rail 556 has a first passing gap with the second wing rail 555, and the first center rail 556 leads to the other end of the second wing rail 555, the other end of the second center rail 557 has a second passing gap with the first wing rail 554, and the second center rail 557 leads to the first wing rail 554, the first passing gap is connected to the conveying space of the third rail 1300, and the second passing gap is connected to the conveying space of the second rail 400.

[0062] In this embodiment, the other end of the change track 550 is designed as a frog 553, which is responsible for guiding the train to smoothly transition from one track to another track. One end of the first wing rail 554 and the second wing rail 555 are fixed on the second mounting seat 200 to ensure the stability of the foundation. The other end is connected to the first abutment end 551 and the second abutment end 552 respectively, forming a transition condition between the change track 550 and the first basic rail 530 and the second basic rail 540. The design of the wing rail needs to consider the stress conditions when the train passes through to ensure strength and smoothness. The first heart rail 556 and the second heart rail 557 are also arranged on the second mounting seat 200, and one end is a transition end 520, which is convenient for connecting with the second track 400. One end of the first heart rail 556 is connected to one end of the second heart rail 557. The first passing gap determines the transition curve when the train turns, and the second passing gap determines the straight travel of the train. The switch 553 structure not only realizes the precise intersection of the tracks, but also ensures the smoothness and safety of the train turning process, demonstrating the complexity and precision of the railway switch 500 design.

[0063] Furthermore, it also includes:

[0064] The sleeper 600 is used to be arranged on the ground, and the first mounting seat 100 and the second mounting seat 200 are arranged on the ground through the sleeper 600.

[0065] The transition end 520, the first rail 300, the second rail 400 and the third rail 1300 have a first mounting hole 521, and further include:

[0066] A connecting piece 700, one end of which is disposed on the transition end 520, and the other end of which is disposed on the first track 300, the second track 400 or the third track 1300. The connecting piece 700 is used to connect the transition end 520 with the first track 300, the second track 400 or the third track 1300, and the connecting piece 700 has a second mounting hole 710;

[0067] The bolts 800 , which are in plurality, pass through the first mounting hole 521 and the second mounting hole 710 .

[0068] Also includes:

[0069] A first rotating plate 900 is rotatably and slidably disposed on the sleeper 600 and is located at one side of the transition end 520;

[0070] The second rotating plate 1000 is rotatably and slidably arranged on the sleeper 600 and is located on the other side of the transition end 520. After the first rotating plate 900 and the second rotating plate 1000 are rotated, the connecting plate 700 is clamped or loosened. The first rotating plate 900 and the second rotating plate 1000 both have a plurality of third mounting holes 1010. After the first rotating plate 900 and the second rotating plate 1000 are rotated, the third mounting holes 1010 are respectively connected with the first mounting holes 521. The second rotating plate 1000 also has a nut placement groove 1020, and the nut placement groove 1020 is connected with the third mounting hole 1010.

[0071] Furthermore, the second rotating plate 1000 also has a through hole 1030, and further includes:

[0072] A first rotating shaft 1100, one end of which is rotatably disposed on the first rotating plate 900;

[0073] The second rotating shaft 1200 is rotatably disposed on the other end of the first rotating shaft 1100. The first rotating shaft 1100 and the second rotating shaft 1200 are used to pass through the through hole 1030. After the second rotating shaft 1200 rotates, it is used to fix the first rotating plate 900 and the second rotating plate 1000.

[0074] In this embodiment, the sleeper 600 is introduced as a ground support carrier for the first mounting seat 100 and the second mounting seat 200, ensuring a solid foundation for the entire turnout 500 structure. The use of the sleeper 600 not only simplifies the ground installation procedure, but also improves the durability and stability of the track system by dispersing the load. The transition end 520, the first track 300 and the second track 400 are all designed with a first mounting hole 521, and a reliable connection between the transition end 520 and the track is achieved through the combination of the connecting piece 700 and the bolt 800. A first rotating plate 900 and a second rotating plate 1000 are designed, which are respectively located on both sides of the transition end 520 and can rotate and slide on the sleeper 600. When installing the connecting piece 700, a connecting piece 700 is often fixed on both sides of the transition end 520 to strengthen the structure. At present, when installing the connecting piece 700, at least two people are required, one person fixes the two connecting pieces 700 located on both sides of the transition end 520, and the other person installs the bolt 800. In order to reduce manual fatigue, when using this device for installation, the nut is first placed in the nut placement groove 1020, and the first rotating plate 900 and the second rotating plate 1000 are rotated. During the rotation process, the first rotating shaft 1100 and the second rotating shaft 1200 are inserted into the through hole 1030, so that the first rotating plate 900 and the second rotating plate 1000 are both in a vertical state, and finally the second rotating shaft 1200 is rotated to fix the first rotating plate 900 and the second rotating plate 1000 in a vertical state. After fixing, the bolt 800 is installed and the bolt 800 is tightened. Through the above design, this embodiment not only enhances the stability and adaptability of the turnout 500 structure, but also realizes fast and accurate on-site installation and maintenance.

[0075] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A rail turnout, characterized in that: include: First track (300); Second track (400); Third track (1300); A turnout (500), wherein an end of the turnout (500) is a transition end (520), wherein a cross-sectional area of ​​the transition end (520) gradually decreases from the turnout (500) toward the first track (300) or the second track (400), wherein the first track (300) is connected to the second track (400) or the third track (1300) via the turnout (500), and the transport surfaces of the first track (300), the turnout (500) and the second track (400) are transitionally connected, or the transport surfaces of the first track (300), the turnout (500) and the third track (1300) are transitionally connected.

2. A rail turnout according to claim 1, characterized in that: The turnout (500) comprises: A main body (510), wherein the cross-sectional area of ​​the guide rail on the main body (510) is greater than the cross-sectional areas of the guide rails on the first track (300), the second track (400) and the third track (1300); the end of the transition end (520) with a larger cross-sectional area is connected to the end of the guide rail of the main body (510), and the end with a smaller cross-sectional area is connected to the guide rails of the first track (300), the second track (400) and the third track (1300).

3. A rail turnout according to claim 2, characterized in that: The first rail (300), the second rail (400) and the third rail (1300) are on the same horizontal line as the upper end surface of the turnout (500); the first rail (300) and the second rail (400) are smoothly connected to the inner side surface of the turnout (500); or the first rail (300) and the third rail (1300) are smoothly connected to the inner side surface of the turnout (500); the upper end surface and the inner side surface form the transport surface.

4. A rail turnout according to claim 2, characterized in that: Also includes: A first mounting seat (100) is used to be arranged on the ground, and the first track (300), the second track (400) and the third track (1300) are arranged on the first mounting seat (100); The second mounting seat (200) is used to be arranged on the ground, the first mounting seat (100) and the second mounting seat (200) both have a supporting end surface, the supporting end surface of the first mounting seat (100) is higher than the supporting end surface of the second mounting seat (200), and the first track (300) and the second track (400) are both arranged on the ground through the first mounting seat (100).

5. A rail turnout according to claim 4, characterized in that: The main body (510) comprises: A first basic rail (530) is arranged on the second mounting seat (200), and two ends thereof are respectively connected to a guide rail of the first rail (300) and the second rail (400) through the transition end (520); A second basic rail (540) is arranged on the second mounting seat (200), and two ends thereof are respectively connected to another guide rail of the first track (300) and one guide rail of the third track (1300) through the transition ends (520); The change rail (550) is arranged on the second mounting seat (200); one end of the change rail (550) is connected to another guide rail of the second track (400) and another guide rail of the third track (1300) through the transition end (520); the other end is slidably arranged on the second mounting seat (200); the other end of the change rail (550) has a first abutting end (551) and a second abutting end (552); after the first abutting end (551) abuts against the first basic rail (530), the second abutting end (552) is separated from the second basic rail (540).

6. A rail turnout according to claim 5, characterized in that: One end of the track change (550) is a frog (553), and the frog (553) comprises: A first wing rail (554) is arranged on the second mounting seat (200), with one end arranged on the first abutting end (551); A second wing rail (555) is arranged on the second mounting seat (200), with one end arranged on the second abutting end (552); A first center rail (556) is arranged on the second mounting seat (200), one end of which is the transition end (520) and is connected to another guide rail of the second track (400); A second center rail (557) is arranged on the second mounting seat (200), one end of which is the transition end (520) and is connected to another guide rail of the third rail (1300); the other end of the first center rail (556) has a first passing gap with the second wing rail (555), and the first center rail (556) leads to the other end of the second wing rail (555); the other end of the second center rail (557) has a second passing gap with the first wing rail (554), and the second center rail (557) leads to the first wing rail (554); the first passing gap is connected to the conveying space of the third rail (1300), and the second passing gap is connected to the conveying space of the second rail (400).

7. A rail turnout according to claim 4, characterized in that: Also includes: The sleeper (600) is used to be arranged on the ground, and the first mounting seat (100) and the second mounting seat (200) are arranged on the ground via the sleeper (600).

8. A rail turnout according to claim 7, characterized in that: The transition end (520), the first track (300), the second track (400) and the third track (1300) have a first mounting hole (521), and further include: a connecting piece (700), one end of which is arranged on the transition end (520), and the other end of which is arranged on the first track (300), the second track (400) or the third track (1300); the connecting piece (700) is used to connect the transition end (520) and the first track (300), the second track (400) or the third track (1300); the connecting piece (700) has a second mounting hole (710); A plurality of bolts (800) pass through the first mounting hole (521) and the second mounting hole (710).

9. A rail turnout according to claim 8, characterized in that: Also includes: A first rotating plate (900) is rotatably and slidably disposed on the sleeper (600) and is located on one side of the transition end (520); The second rotating plate (1000) is rotatably and slidably arranged on the sleeper (600) and is located at the other side of the transition end (520). After the first rotating plate (900) and the second rotating plate (1000) rotate, the connecting plate (700) is clamped or loosened. The first rotating plate (900) and the second rotating plate (1000) both have a plurality of third mounting holes (1010), and the third mounting holes (1010) are respectively connected to the first mounting holes (521). The second rotating plate (1000) also has a nut placement groove (1020), and the nut placement groove (1020) is connected to the third mounting holes (1010).

10. A rail turnout according to claim 9, characterized in that: The second rotating plate (1000) further has a through hole (1030), and further comprises: A first rotating shaft (1100), one end of which is rotatably disposed on the first rotating plate (900); A second rotating shaft (1200) is rotatably arranged on the other end of the first rotating shaft (1100); the first rotating shaft (1100) and the second rotating shaft (1200) are used to pass through the through hole (1030); after the second rotating shaft (1200) rotates, it is used to fix the first rotating plate (900) and the second rotating plate (1000).