Track brake device

Abstract

The present application proposes a rail brake device, which may include: a mounting frame, a pressure brake mechanism and a side brake mechanism. The mounting frame includes a support plate and a clamping plate, and the two sides of the support plate are respectively connected with clamping plates at preset angles. The pressure brake mechanism includes an elastic brake plate connected to the mounting frame at one end, a brake link is provided on the elastic brake plate, the other end of the brake link is connected to the brake pressure plate, a brake friction block is provided on the brake pressure plate, and the brake friction block passes through the support plate. The side brake mechanism includes a reversing linkage, a side pressure plate is provided at one end of the reversing linkage, a side friction block is provided on the side pressure plate, and the side friction block passes through the clamping plate. A side brake linkage is also provided on the elastic brake plate, and the side brake linkage cooperates with the other end of the reversing linkage. The rail brake device of the embodiment of the present application has the characteristics of good braking effect and good placement stability, as well as long service life and low cost.

Description

Technical Field

[0001] The present application relates to the technical field of rail transit auxiliary devices, and in particular to a rail braking device. Background Art

[0002] Rail braking is a crucial safety issue in rail vehicle operation, especially in tunnel projects, railway freight yards, subway depots, and other locations, where some trains lack complete braking systems. Rail braking facilities are essential infrastructure. Currently, brake shoes are the most commonly used for rail braking. Existing brake shoes rely solely on friction between a flat plate and the rail, lacking lateral support and resulting in poor stability. Furthermore, brake shoes are typically made of steel, resulting in low friction at the contact surface with the rail, which is steel-on-steel. This results in long braking distances for rail vehicles (i.e., poor braking performance). Summary of the Invention

[0003] The present application aims to solve one of the technical problems in the above-mentioned technology at least to a certain extent.

[0004] To this end, the first purpose of this application is to propose a rail braking device that can increase the friction with the rail through friction blocks, and can provide side support and side friction through a clamping frame, thereby improving the braking effect and stability.

[0005] To achieve the above-mentioned objectives, a first embodiment of the present application proposes a track brake device, which may include: a clamping frame, a pressure brake mechanism and a side brake mechanism.

[0006] The cam is connected to the brake member at two ends by a spring, and the cam is connected to the brake member at two ends by a spring, and the cam is connected to the brake member at two ends by a spring.

[0007] According to the rail brake device of the embodiment of the present application, when in use, the brake friction block and the side friction block generate friction with the rail, which is conducive to improving the braking effect. The clamping frame can be clamped onto the rail to provide lateral support for the rail brake device, ensuring good placement stability. In addition, the rail brake device uses purely mechanical transmission and has a simple structure, which has the advantages of long service life and low production cost. Therefore, the rail brake device of the embodiment of the present application has the advantages of good braking effect and good placement stability, as well as long service life and low use cost.

[0008] In addition, the rail brake device proposed in the above embodiment of the present application may also have the following additional technical features:

[0009] In one embodiment of the present application, an auxiliary plate is connected to a side of the clamping plate away from the support plate.

[0010] In one embodiment of the present application, the elastic brake plate is an arc-shaped plate, and the brake link and the side brake linkage are respectively arranged on the outer arc surface of the elastic brake plate.

[0011] In one embodiment of the present application, the side braking mechanism is provided with two sets, which are respectively installed on the clamping plates on both sides of the support plate.

[0012] In one embodiment of the present application, the top end of the side brake linkage is a bevel with a preset angle, and one side of the other end of the reversing linkage that cooperates with the side brake linkage is a bevel with a preset angle, and the bevel on the side brake linkage is in sliding contact with the bevel on the reversing linkage.

[0013] In one embodiment of the present application, the brake pressure plate and the brake friction pad are detachably assembled.

[0014] In one embodiment of the present application, the side pressure plate and the side friction block are detachably assembled.

[0015] In one embodiment of the present application, the brake friction block and the side friction block are made of hard rubber material.

[0016] In one embodiment of the present application, there are multiple auxiliary plates, which are arranged on the clamping plate at intervals.

[0017] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0019] Figure 1 Schematic diagram of the structure of a track brake device according to one embodiment of the present application;

[0020] Figure 2 Schematic diagram of the structure of a track brake device according to another embodiment of the present application;

[0021] Figure 3 1 is a schematic structural diagram of a track brake device according to another embodiment of the present application;

[0022] Figure 4 1 is a schematic structural diagram of a track brake device according to another embodiment of the present application;

[0023] Figure markings: 110, elastic brake plate, 120, brake link, 130, brake pressure plate, 140, spring plate, 150, brake friction block, 201, side brake linkage, 210, reversing linkage, 220, reversing rod, 230, side brake bracket, 240, side pressure plate, 250, side friction block, 300, clamping frame, 310, support plate, 320, clamping plate, 330, auxiliary plate, 400, track. DETAILED DESCRIPTION

[0024] The following describes in detail embodiments of the present application, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0025] The rail brake device according to an embodiment of the present application will be described below with reference to the accompanying drawings.

[0026] Figure 1 Schematic diagram of the structure of a track brake device according to one embodiment of the present application. Figure 2 Schematic diagram of the structure of a rail brake device according to another embodiment of the present application.

[0027] like Figure 1 and Figure 2 As shown, the track brake device may include a clamping frame 300, a pressure brake mechanism 100 (not specifically shown in the figure) and a side brake mechanism 200 (not specifically shown in the figure).

[0028] The mounting frame 300 includes a support plate 310 and a clamping plate 320. The clamping plates 320 are connected to both sides of the support plate 310 at preset angles. The pressure brake mechanism 100 includes an elastic brake plate 110 connected at one end to the mounting frame 300. A brake link 120 is provided on the elastic brake plate 110. One end of the brake link 120 is connected to the elastic brake plate 110, and the other end of the brake link 120 is connected to a brake pressure plate 130. The brake pressure plate 130 is connected to the support plate 310 via a spring plate 140. A brake friction block 150 is provided on the brake pressure plate 130, which extends through the support plate 310.

[0029] The side brake mechanism 200 includes a reversing linkage 210, which is hingedly mounted on a reversing rod 220, which is mounted on a side brake bracket 230, which is mounted on a clamping plate 320. A side pressure plate 240 is provided at one end of the reversing linkage 210, which is provided with a side friction block 250. The side friction block 250 extends through the clamping plate 320. A side brake linkage 201 is also provided on the elastic brake plate 110, which mates with the other end of the reversing linkage 210.

[0030] In an embodiment of the present application, when the track brake device is used, the clamping frame is clamped on the track 400, and the support plate 310 supports the track brake device directly above the track 400. The clamping plates 320 connected on both sides of the support plate 310 can play a certain clamping role on the track 400 to ensure the placement stability of the track brake device on the track 400.

[0031] It should be noted that the internal angle between the support plate 310 and the clamping plate 320 described in the above embodiment should be no less than 90 degrees and no more than 110 degrees, so as to facilitate the placement of the track brake device on the track 400, and at the same time have a good clamping effect so that the track brake device will not fall from the track 400.

[0032] In addition, the mounting frame 300 described in the above embodiment is mounted on the track 400 for a certain length. Considering that the track 400 has a turning part, a certain gap can be left between the clamping plate 320 and the track 400 to ensure that the track brake device can be mounted on the track 400.

[0033] As a possible situation, when the gap between the clamping plate 320 and the rail 400 is larger, the inner angle between the support plate 310 and the clamping plate 320 should be smaller.

[0034] In the implementation of the present application, when the rail brake device is used, the wheels of the rail vehicle press on the elastic brake plate 110 (i.e., apply pressure to the elastic brake plate 110), causing the end of the elastic brake plate 110 away from the support plate 310 to move downward, pushing the brake pressure plate 130 downward via the brake link 120. The brake friction block 150 mounted on the brake pressure plate 130 is in closer contact with the rail 400, increasing the friction between the friction block and the rail 400, thereby improving the braking effect of the rail brake device.

[0035] It should be noted that the elastic brake plate 110 is made of metal and is connected to the support plate 310 near one end. One end extends along the track 400 to facilitate the rail vehicle to press on the elastic brake plate 110, and the other end extends upward. After being pressed by the rail vehicle, it can produce a certain elastic deformation, thereby producing a downward displacement and transmitting the displacement to the brake pressure plate 130 and the brake friction block 150 through the brake link 120.

[0036] In addition, when the pressure on the elastic brake plate 110 disappears, the brake pressure plate 130 is reset under the action of the spring plate 140, and the brake link 120 and the elastic brake plate 110 linked thereto are also reset.

[0037] In addition, the faster the speed of the rail vehicle, the higher the position at which the rail vehicle presses on the elastic brake plate 110, the greater the elastic deformation of the elastic brake plate 110, and the greater the force transmitted to the brake pressure plate 130 through the brake link 120, thereby increasing the friction between the brake friction block 150 and the track 400.

[0038] Specifically, when the rail brake device is in use, the wheels of the rail vehicle press against the elastic brake plate 110, causing the end of the elastic brake plate 110 away from the support plate 310 to displace downward. This causes the side brake linkage 201 mounted on the elastic brake plate 110 to displace downward as well. This side brake linkage 201 can drive the portion of the reversing linkage 210 above the reversing rod 220 to expand away from the track 400. The reversing rod 220 is fixedly connected to the clamping plate 320 via the side brake bracket 230. When the portion of the reversing linkage 210 above the reversing rod 220 expands, the reversing linkage below the reversing rod 220 tightens, driving the side pressure plate 240 mounted on the reversing rod 220 to displace toward the track 400.

[0039] It should be noted that if Figure 3 As shown, the side friction block 250 described in the above embodiment is installed on the side of the side pressure plate 240 facing the track 400. When the side pressure plate 240 is displaced toward the track 400, the friction between the side friction block 250 and the track 400 can be increased, which is beneficial to improving the braking effect.

[0040] In addition, the side brake mechanisms 200 are respectively provided on the clamping plates 320 on both sides of the support plate 310 described in the above embodiment, and the side pressure plates 240 on both sides are simultaneously displaced toward the track 400, which can increase the clamping force of the reversing linkage 210 on the track 400, which is conducive to improving the placement stability.

[0041] In addition, the reversing rod 220 described in the above embodiment is equipped with a reversing linkage 210, and a reset spring can also be installed. When the elastic brake plate 110 is reset, the reset spring provides reset power for the reversing linkage 210 to ensure that the track brake device is smoothly removed from the track 400.

[0042] In the embodiment of the present application, when the rail brake device is in use, the brake friction block 150 and the side friction block 250 generate friction with the rail 400, which helps improve the braking effect. The mounting frame 300 can be mounted on the rail 400, providing lateral support for the rail brake device. Simultaneously, the reversing linkage 210 in the side brake mechanism 200 also generates a clamping force on the rail 400, ensuring that the rail brake device has good placement stability during use. As a result, the rail brake device of the embodiment of the present application has good braking effect and good placement stability.

[0043] In one embodiment of the present application, Figure 3 As shown, an auxiliary plate 330 is connected to the side of the clamping plate 320 away from the support plate 310. The angle between the auxiliary plate 330 and the clamping plate 320 can be set between 130 and 150 degrees, so that the opening of the auxiliary plate 330 on the side away from the clamping plate 320 is larger. When the track brake device is placed on the track 400, the large opening between the auxiliary plates 330 and the inclined angle facilitate placement, which helps improve work efficiency.

[0044] It should be noted that the auxiliary plates 330 described in this embodiment can be provided in multiple pieces, which are spaced apart on the clamping plate 320. While having the advantage of convenient placement, it can also reduce the weight of the track brake device, help reduce production costs, and improve practicality.

[0045] In one embodiment of the present application, Figure 4 As shown, the elastic brake plate 110 is an arc-shaped plate, and the brake link 120 and the side brake linkage 201 are respectively arranged on the outer arc surface of the elastic brake plate 110.

[0046] It should be noted that if Figure 4As shown, the arc-shaped elastic brake plate 110 matches the shape of the rail vehicle wheel, which can increase the contact area between the elastic brake plate 110 and the above-mentioned wheel, thereby increasing the friction between the above-mentioned wheel and the elastic brake plate 110, which is beneficial to preventing the above-mentioned wheel from rotating and increasing the stability of use.

[0047] In one embodiment of the present application, Figure 3 As shown, two sets of side brake mechanisms 200 are provided, one mounted on each side of the clamping plate 320 on the support plate 310. The reversing linkages 210 in the two sets of side brake mechanisms 200 can clamp the rail 400, and the greater the force applied, the greater the clamping force, which helps to improve the stability of the rail brake device during use.

[0048] In one embodiment of the present application, Figure 3 As shown, the top end of the side brake linkage 201 is a bevel with a preset angle, and one side of the other end of the reversing linkage 210 that cooperates with the side brake linkage 201 is a bevel with a preset angle. The bevel on the side brake linkage 201 can slide in contact with the bevel on the reversing linkage 210.

[0049] Specifically, when the rail brake device is in use, the wheels of a rail vehicle press against the elastic brake plate 110, causing the end of the elastic brake plate 110 away from the support plate 310 to move downward. This causes the side brake linkage 201 mounted on the elastic brake plate 110 to also move downward. The beveled edge of the side brake linkage 201 is in slidable contact with the beveled edge of the reversing linkage 210. When the side brake linkage 201 moves downward, the reversing linkages 210 on either side of the side brake linkage 201 move away from the side brake linkage 201.

[0050] It should be noted that the middle part of the reversing linkage 210 is hingedly mounted on the reversing rod 220. When the end of the reversing linkage 210 that is in contact with the side brake linkage 201 moves in the direction away from the side brake linkage 201, the end of the reversing linkage 210 that is away from the side brake linkage 201 will move in the opposite direction, that is, the end of the reversing linkage 210 that is away from the side brake linkage 201 will move in the direction of the track 400.

[0051] In one embodiment of the present application, the brake pressure plate 130 and the brake friction block 150 are detachably assembled, and the side pressure plate 240 and the side friction block 250 are detachably assembled. The detachable assembly method can facilitate the replacement of the friction blocks (including the brake friction block 150 and the side friction block 250).

[0052] Specifically, during the use of the track brake device, the friction block is the fastest to wear. Replacing the friction block can increase the service life of the application and reduce the overall cost of the track brake.

[0053] In one embodiment of the present application, the brake friction block 150 and the side friction block 250 are made of a hard rubber material. Specifically, other materials having a high friction coefficient with the rail 400 and slightly lower wear resistance than the rail 400 can be used.

[0054] Specifically, the greater the friction coefficient between the friction block and the track 400, the greater the friction force generated and the better the braking effect. A slightly lower wear resistance than the track 400 can reduce the wear of the track 400 during the braking process of the track brake device, making replacement of the friction block much simpler than replacing the track 400.

[0055] In summary, when the rail brake device of the embodiment of the present application is in use, the brake friction block 150 and the side friction block 250 generate friction with the rail 400, which is beneficial to improving the braking effect. The clamping frame 300 can be clamped on the rail 400 to provide side support for the rail brake device. At the same time, the reversing linkage 210 in the side brake mechanism 200 also generates a clamping force on the rail 400, which can ensure that the rail brake device has good placement stability when in use. The easily worn accessories in the rail brake device are easy to replace, which is beneficial to improving the overall service life of the present application and reducing the overall cost of use. Therefore, the rail brake device of the embodiment of the present application has the characteristics of good braking effect and good placement stability, as well as long service life and low cost of use.

[0056] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of this application, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0057] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0058] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A track brake device, characterized in that: include: The clamping frame, the pressure brake mechanism and the side brake mechanism, wherein, The clamping frame includes a support plate and a clamping plate, and the two sides of the support plate are respectively connected to the clamping plates at a preset angle; The pressure brake mechanism includes an elastic brake plate connected to the clamping frame at one end, a brake link is provided on the elastic brake plate, one end of the brake link is connected to the elastic brake plate, the other end of the brake link is connected to the brake pressure plate, the brake pressure plate is connected to the support plate through a spring plate, a brake friction block is provided on the brake pressure plate, and the brake friction block passes through the support plate; The side brake mechanism includes a reversing linkage, which is hingedly mounted on a reversing rod, which is mounted on a side brake bracket, which is mounted on the clamping plate, a side pressure plate is provided at one end of the reversing linkage, a side friction block is provided on the side pressure plate, and the side friction block passes through the clamping plate; The elastic brake plate is further provided with a side brake linkage member, and the side brake linkage member cooperates with the reversing linkage member to provide working power for the side brake mechanism; The side brake mechanism is provided with two sets, which are respectively mounted on the clamping plates on both sides of the support plate; The top end of the side brake linkage is a bevel with a preset angle, and one side of the other end of the reversing linkage that cooperates with the side brake linkage is a bevel with a preset angle. The bevel on the side brake linkage can slide in contact with the bevel on the reversing linkage.

2. The rail brake device according to claim 1, characterized in that The side of the clamping plate away from the supporting plate is connected with an auxiliary plate.

3. The rail brake device according to claim 1, characterized in that: The elastic brake plate is an arc-shaped plate, and the brake link and the side brake linkage are respectively arranged on the outer arc surface of the elastic brake plate.

4. The rail brake device according to claim 1, characterized in that: The brake pressure plate and the brake friction block are detachably assembled.

5. The rail brake device according to claim 1, characterized in that: The side pressure plate and the side friction block are detachably assembled.

6. The rail brake device according to claim 1, characterized in that: The brake friction block and the side friction block are made of hard rubber material.

7. The rail brake device according to claim 2, characterized in that: There are multiple auxiliary plates, which are arranged on the clamping plate at intervals.

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