Railway crossing periphery fire isolation device

Abstract

The utility model discloses a fire isolation device around a railway crossing, and relates to the technical field of railway fire protection. Comprising a fixed fireproof plate, the fixed fireproof plate comprises two pairs of first arc-shaped grooves, each pair of first arc-shaped grooves are formed in different edges of the fixed fireproof plate respectively, and the two first arc-shaped grooves in the different edges are located in the different sides of the fixed fireproof plate respectively; the railway crossing fireproof plate has the advantages that the fixed fireproof plate and the movable fireproof plates on the two sides are used in cooperation, so that a proper unfolding mode can be selected according to the actual fire behavior of a railway crossing, in the case of small fire, the railway crossing fireproof plate is unfolded into a U shape to surround a fire source, and in the case of big fire, the railway crossing fireproof plate is unfolded into a line shape to stand on the periphery of a rail; meanwhile, by means of the first sealing structure and the second sealing structure, when the movable fireproof plate is unfolded, the seam between the movable fireproof plate and the fixed fireproof plate can be sealed in sequence, flames and high-temperature smoke are prevented from leaking from the seam, the fire isolation effect is further improved, and normal operation of the railway crossing is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of railway fire protection technology, and in particular to a fire isolation device around a railway crossing. Background Technology

[0002] In railway transportation systems, railway crossings are crucial nodes connecting railways and roads. Due to the complex environment around crossings and the presence of various unpredictable factors such as vehicles and pedestrians, the risk of fire is high. Therefore, fire isolation devices play a vital role in the safety protection of railway crossings. Currently, for ease of transportation and installation, foldable fireproof panels are commonly used to isolate fire sources around railway crossings. These foldable fireproof panels can be folded and stored when not in use, occupying little space, and unfolded to form an isolation barrier when needed, making operation relatively convenient.

[0003] However, existing foldable fireproof panels have significant drawbacks in practical applications. Because foldable fireproof panels are composed of multiple interconnected panels, it is difficult to completely seal the gaps between them. In the event of a fire, flames and high-temperature smoke can easily leak through these gaps, significantly reducing the effectiveness of the fireproof barrier. Once fire leakage occurs, the fire may spread to other areas of the railway crossing, threatening not only the safety of surrounding buildings and equipment but also potentially disrupting normal railway operations and even endangering the lives and property of pedestrians and vehicles. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] In view of the problems of the above-mentioned fire isolation device around railway crossings, this utility model is proposed.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a fire isolation device around a railway crossing, comprising a fixed fireproof plate, which includes:

[0007] Two pairs of first arc-shaped grooves are respectively opened on different sides of the fixed fireproof board, and the two first arc-shaped grooves on different sides are respectively located on different sides of the fixed fireproof board;

[0008] A pair of first arc-shaped plates are symmetrically arranged on the side wall of the fixed fireproof plate;

[0009] Two movable fireproof panels are hinged to both sides of the fixed fireproof panel via fire-resistant damping hinges to form a joint. Each movable fireproof panel includes:

[0010] The second arc-shaped groove is formed on the side wall of the moving fireproof board relative to the fixed fireproof board;

[0011] A pair of second arc-shaped plates are fixed to the hinge end of the moving fireproof plate. Each of the first arc-shaped grooves is located on the moving path of the corresponding second arc-shaped plate, and the corresponding second arc-shaped plate and the corresponding first arc-shaped plate are in an overlapping state and fit together.

[0012] When the fireproof plate rotates, the first arc-shaped plate and the corresponding second arc-shaped plate cooperate to form a first sealed structure of the butt joint, and the corresponding second arc-shaped plate and the corresponding first arc-shaped groove cooperate to form a second sealed structure of the butt joint.

[0013] In a preferred embodiment of the fire isolation device around a railway crossing described in this utility model, when the first arc-shaped plate separates from the corresponding second arc-shaped plate, the corresponding second arc-shaped plate is inserted into the corresponding first arc-shaped groove.

[0014] As a preferred embodiment of the fire isolation device around a railway crossing described in this utility model, the rotation range of the movable fireproof plate is 0 to 180°.

[0015] As a preferred embodiment of the fire isolation device around a railway crossing described in this utility model, when the movable fireproof plate is unfolded and forms a straight line with the fixed fireproof plate, a fire-blocking slit is formed between the first arc-shaped plate and the corresponding second arc-shaped plate.

[0016] As a preferred embodiment of the fire isolation device around a railway crossing described in this utility model, when the movable fireproof plate is folded to fit together, the opposite surfaces of the two movable fireproof plates have complementary shapes.

[0017] As a preferred embodiment of the fire isolation device around a railway crossing described in this utility model, the fixed fireproof plate is provided with a support frame at its bottom, a water storage tank is placed on the support frame, an extension pipe is connected to the water storage tank, and multiple spray pipes are connected to the extension pipe, with the spray pipes penetrating the fixed fireproof plate.

[0018] The beneficial effects of this utility model are as follows: By using the fixed fireproof plate and the movable fireproof plates on both sides in combination, the appropriate deployment method can be selected according to the actual fire situation at the railway crossing: for small fires, it deploys into a U-shape to contain the fire source; for large fires, it deploys into a straight line standing outside the railway tracks. At the same time, the first and second sealing structures can sequentially seal the joints between the movable fireproof plate and the fixed fireproof plate when the movable fireproof plate is deployed, preventing flames and high-temperature smoke from leaking out of the gaps, further improving the fire isolation effect and ensuring the normal operation of the railway crossing. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0020] Figure 1 This is a schematic diagram of the structure of this utility model when folded.

[0021] Figure 2 This is a schematic diagram of the back structure of the present invention when unfolded into a c-shape.

[0022] Figure 3 This is a schematic diagram of the structure of this utility model unfolded into a straight line.

[0023] Figure 4 This is an exploded view of the dynamic fireproof board and the fixed fireproof board in this utility model.

[0024] Figure descriptions: 1. Fixed fireproof board; 11. First arc-shaped groove; 12. First arc-shaped plate; 2. Movable fireproof board; 21. Second arc-shaped groove; 22. Second arc-shaped plate; 3. Water storage tank; 31. Extension pipe; 32. Spray pipe. Detailed Implementation

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0028] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0029] Reference Figures 1-4 As an embodiment of this utility model, a fire isolation device for railway crossing perimeter is provided, which includes a fixed fireproof plate 1, comprising:

[0030] Two pairs of first arc-shaped grooves 11 are respectively opened on different sides of the fixed fireproof board 1, and the two first arc-shaped grooves 11 on different sides are respectively located on different sides of the fixed fireproof board 1.

[0031] A pair of first arc-shaped plates 12 are symmetrically arranged on the side wall of the fixed fireproof plate 1.

[0032] Two movable fireproof panels 2 are hinged to both sides of the fixed fireproof panel 1 via fire-resistant damping hinges to form a joint. The rotation range of the movable fireproof panels 2 is 0 to 180°. When the movable fireproof panels 2 are folded to fit together, the opposite surfaces of the two movable fireproof panels 2 have complementary shapes, reducing the footprint after folding. Each movable fireproof panel 2 includes:

[0033] The second arc-shaped groove 21 is formed on the side wall of the moving fireproof board 2 relative to the fixed fireproof board 1.

[0034] A pair of second arc-shaped plates 22 are fixed to the hinge end of the movable fireproof plate 2. Each first arc-shaped groove 11 is located on the moving path of the corresponding second arc-shaped plate 22. When the corresponding second arc-shaped plate 22 and the corresponding first arc-shaped plate 12 are in an overlapping state, they fit together. The fitting of the arc-shaped surfaces can reduce the gap between the joints. The interlocking structure enhances the sealing performance, which is especially suitable for close-range sealing when the movable fireproof plate 2 is folded into a U-shape.

[0035] like Figures 1-3 As shown, when the movable fireproof board 2 rotates, the first arc-shaped plate 12 and the corresponding second arc-shaped plate 22 cooperate to form a first sealed structure of the butt joint. When the first arc-shaped plate 12 and the corresponding second arc-shaped plate 22 separate, the corresponding second arc-shaped plate 22 is inserted into the corresponding first arc-shaped groove 11 to form a second sealed structure of the butt joint. When the movable fireproof board 2 unfolds to the point where the first arc-shaped plate 12 and the corresponding second arc-shaped plate 22 separate, a fire-blocking slit is formed between the first arc-shaped plate 12 and the corresponding second arc-shaped plate 22. The slit effect is used to delay the spread of flames, reduce the speed of fire spread, and buy time for fire extinguishing.

[0036] By alternating between the first and second sealing structures, the sealing method is automatically switched according to the unfolding angle of the moving fireproof board 2, improving flexibility. At the same time, the first and second sealing structures are slot-type fits to achieve mechanical sealing of the joint between the moving fireproof board 2 and the fixed fireproof board 1, preventing flames and smoke from leaking out of the gap.

[0037] In addition, the bottom of the fixed fireproof board 1 is provided with a support frame, on which a water storage tank 3 is placed. The water storage tank 3 is connected to an extension pipe 31 through a built-in water pump (not shown in the figure). Multiple nozzles 32 are connected to the extension pipe 31. The nozzles 32 penetrate the fixed fireproof board 1 and achieve the fire extinguishing effect by continuously spraying water to prevent the fire from spreading.

[0038] In summary, the combination of the fixed fireproof board 1 and the movable fireproof boards 2 on both sides allows for the selection of an appropriate deployment method based on the actual fire situation at the railway crossing: for small fires, it deploys in a U-shape to contain the fire source; for large fires, it deploys in a straight line around the tracks. Simultaneously, the first and second sealing structures, when the movable fireproof board 2 is deployed, sequentially seal the joints between it and the fixed fireproof board 1, preventing flames and high-temperature smoke from leaking through the gaps, further improving the fire isolation effect and ensuring the normal operation of the railway crossing.

[0039] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A fire isolation device around a railway crossing, characterized in that, include: Fireproof board (1), comprising: Two pairs of first arc grooves (11), each pair of first arc grooves (11) are respectively opened on different sides of the fixed fireproof board (1), and the two first arc grooves (11) on different sides are respectively located on different sides of the fixed fireproof board (1); A pair of first arc-shaped plates (12) are symmetrically arranged on the side wall of the fixed fireproof plate (1); Two movable fireproof panels (2) are hinged to both sides of the fixed fireproof panel (1) by fire-resistant damping hinges to form a joint. Each movable fireproof panel (2) includes: The second arc-shaped groove (21) is opened on the side wall of the moving fireproof board (2) relative to the fixed fireproof board (1); A pair of second arc-shaped plates (22) are fixed to the hinge end of the moving fireproof plate (2). Each of the first arc-shaped grooves (11) is located on the moving path of the corresponding second arc-shaped plate (22), and the corresponding second arc-shaped plate (22) and the corresponding first arc-shaped plate (12) are in an overlapping state and fit together. When the fireproof board (2) rotates, the first arc plate (12) and the corresponding second arc plate (22) cooperate to form a first sealed structure of the butt joint, and the corresponding second arc plate (22) and the corresponding first arc groove (11) cooperate to form a second sealed structure of the butt joint.

2. A fire isolation device around a railway crossing according to claim 1, characterized in that: When the first arc plate (12) separates from the corresponding second arc plate (22), the corresponding second arc plate (22) is inserted into the corresponding first arc groove (11).

3. A fire isolation device around a railway crossing according to claim 1, characterized in that: The rotation range of the dynamic fireproof board (2) is 0 to 180°.

4. A fire isolation device around a railway crossing according to claim 3, characterized in that: When the movable fireproof board (2) unfolds and forms a straight line with the fixed fireproof board (1), a fire-resistant slit is formed between the first arc-shaped board (12) and the corresponding second arc-shaped board (22).

5. A fire isolation device around a railway crossing according to claim 3, characterized in that: When the movable fireproof board (2) is folded to fit together, the opposite surfaces of the two movable fireproof boards (2) have complementary shapes.

6. A fire isolation device around a railway crossing according to claim 1, characterized in that: The bottom of the fixed fireproof board (1) is provided with a support frame, on which a water storage tank (3) is placed. An extension pipe (31) is connected to the water storage tank (3), and multiple spray pipes (32) are connected to the extension pipe (31). The spray pipes (32) penetrate the fixed fireproof board (1).

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