Fire fighting equipment for channel construction

By designing a fire-fighting equipment consisting of a curved plate, a nozzle, a conveying mechanism, and a control mechanism during tunnel construction, and using sensors to detect and control the water spraying for fire and smoke extinguishing, the safety issue of waterproofing plate damage during steel bar welding was solved, thereby improving construction safety.

CN223453630UActive Publication Date: 2025-10-21CHINA RAILWAY TUNNEL GROUP CO LTD +1
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Patent Information

Application Number
CN202422594353.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-10-21
Estimated Expiration
2034-10-25

AI Technical Summary

Technical Problem

During tunnel construction, the high temperature and electric sparks caused by electric welding during steel bar welding can easily damage the waterproofing sheet, leading to potential safety risks. Existing technologies have failed to effectively solve this problem.

Method used

A fire-fighting equipment for channel construction is designed. It adopts arc plates, sprinklers, conveying mechanisms and control mechanisms. Smoke sensors and temperature sensors are used to detect smoke and temperature in the early stage of fire. The sprinklers are controlled by the central control platform to spray water to extinguish fire and smoke. It is also equipped with a placement box and an absorption box to reduce the impact of smoke.

Benefits of technology

It effectively reduces the safety risk of the waterproof board catching fire during the steel bar welding process, improves the accuracy of fire hazard judgment, reduces misjudgment, reduces smoke retention, and ensures the safety of the construction site.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223453630U_ABST
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Abstract

The utility model relates to the technical field of tunnel fire fighting, and provides channel construction fire fighting equipment which comprises an arc-shaped plate arranged on a trolley, a plurality of sprayers arranged at intervals in the radian extending direction of the arc-shaped plate, a conveying mechanism communicating with the sprayers and used for conveying water, and a control mechanism used for controlling the sprayers to spray water. The arc shape of the arc-shaped plate corresponds to the arc shape of the inner wall of the tunnel, the spraying direction of the spraying head faces the inner wall of the tunnel, and the conveying mechanism comprises a water inlet pipe communicating with the spraying head and a control valve arranged on the water inlet pipe; the control mechanism comprises a sensor arranged on the trolley, a central control platform and a controller, the central control platform is electrically connected to the sensor and used for processing collected data, the controller is electrically connected to the central control platform and used for executing an instruction sent by the central control platform after processing the collected data, and the sensor comprises a smoke sensor. The waterproof board has the advantage that the safety problem caused by burning of the waterproof board in the reinforcing steel bar welding process is solved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tunnel fire protection, and particularly relates to a passageway construction fire-fighting equipment. BACKGROUND

[0002] Before pouring the secondary lining concrete, the steel bars need to be welded in the tunnel by a trolley, and since the waterproof board is close to the steel bars, the high temperature and electric sparks caused by electric welding are likely to cause damage (aging, burning) to the waterproof board when the steel bars of the secondary lining are welded, and if the damage is not found in time, the waterproof board may catch fire, which may cause serious consequences and safety problems, and therefore further improvement is needed. CONTENT OF THE UTILITY MODEL

[0003] In order to reduce the safety problems caused by the waterproof board catching fire during the welding of the steel bars, the present application provides a passageway construction fire-fighting equipment.

[0004] The passageway construction fire-fighting equipment provided by the present application adopts the following technical scheme:

[0005] The passageway construction fire-fighting equipment comprises an arc-shaped plate arranged on a trolley, a plurality of nozzles arranged at intervals along the extension direction of the arc of the arc-shaped plate, a conveying mechanism communicated with the nozzles for conveying water, and a control mechanism for controlling the nozzles to spray water, the arc shape of the arc-shaped plate corresponds to the arc shape of the inner wall of the tunnel, the spraying direction of the nozzles is arranged towards the inner wall of the tunnel, the conveying mechanism comprises a water inlet pipe communicated with the nozzles and a control valve arranged on the water inlet pipe, the control mechanism comprises a sensor arranged on the trolley, a central control platform electrically connected to the sensor for processing the collected data, and a controller electrically connected to the central control platform for executing the instructions sent by the central control platform after processing the collected data, the sensor comprises a smoke sensor, the controller is electrically connected to the control valve, and the smoke sensor is arranged at intervals along the extension direction of the arc of the arc-shaped plate.

[0006] By adopting the above technical scheme, when sparks splatter onto the waterproof board, a certain amount of smoke will be generated, and the smoke sensor arranged at this time will sense the generated smoke and transmit the corresponding data to the central control platform for analysis, and when the set danger index is reached, the central control platform will send corresponding instructions to the controller to control the control valve on the water inlet pipe to spray water at the corresponding position to extinguish the fire or smoke, thereby relatively reducing the safety problems caused by the waterproof board catching fire during the welding of the steel bars.

[0007] Preferably, the control mechanism further comprises an alarm electrically connected to the central control platform, and the sensor further comprises a temperature sensor electrically connected to the central control platform.

[0008] By adopting the technical scheme, the alarm is arranged to remind the staff in the construction site to escape from the construction site, and the temperature sensor is arranged to collect temperature data, so that the determination of fire hazards is more accurate and the possibility of misjudgment is reduced.

[0009] Preferably, the conveying mechanism further comprises a first water inlet pipe connected to the water inlet pipe, and the number of the water inlet pipe and the control valve corresponds to the number of the spray head; the arc-shaped plate is fixedly connected with a mounting plate for mounting the water inlet pipe, and the mounting plate is provided with a connecting piece, and the water inlet pipe is detachably connected to the mounting plate through the connecting piece.

[0010] By adopting the technical scheme, the water inlet pipe is detachably connected to the mounting plate through the connecting piece, so that the on-site fire-fighting personnel can detach it for fire extinguishing treatment.

[0011] Preferably, the outer peripheral wall of the water inlet pipe is coaxially sleeved with a limiting ring, and the limiting ring is provided with two limiting rings, and the two limiting rings are provided with an installation space for mounting the connecting piece, and the connecting piece comprises an abutting plate abutting against the surfaces of the two limiting rings close to each other and a connecting bolt penetrating one of the abutting plates and threadedly connected with the other abutting plate, and the abutting plate is arranged in an arc shape, and one of the abutting plates is fixedly connected to the mounting plate, and the inner walls of the two abutting plates are abutted against the outer peripheral wall of the water inlet pipe, and one end of the two abutting plates is hinged.

[0012] By adopting the technical scheme, the two abutting plates are abutted against the outer peripheral wall of the water inlet pipe and the limiting ring, so as to reduce the force of the corresponding water flow after the spray head sprays to drive the water inlet pipe to relatively slide and reduce the influence on the subsequent spray head.

[0013] Preferably, the surfaces of the two abutting plates close to each other are provided with anti-skid pads.

[0014] By adopting the technical scheme, the anti-skid pads are used to further improve the fixing effect of the water inlet pipe.

[0015] Preferably, the mounting plate slides along the arc-shaped extension direction of the arc-shaped plate, and the arc-shaped plate is provided with a limiting piece limiting the sliding of the mounting plate.

[0016] By adopting the technical scheme, the position of the spray head can be adjusted to concentrate on fire extinguishing treatment.

[0017] Preferably, the placing box is provided with an open top, a cover plate for opening and closing the opening, and a towel placed in the placing box.

[0018] By using the above technical scheme, since the tunnel has a certain length, the generated smoke is not easy to discharge, and if the smoke is too large, it may affect the safety of the workers, to reduce the influence of the smoke on the workers in the tunnel, the placing box is arranged, the towel is placed in the placing box, and when the central control platform detects the smoke, water is input into the placing box to soak the towel, so that the workers on the scene can take the towel to cover their mouths and noses to escape, thereby reducing the corresponding safety problems.

[0019] Preferably, the placing box is provided with an open top, a cover plate for opening and closing the opening, and a towel placed in the placing box.

[0020] By using the above technical scheme, since the tunnel has a certain length, the generated smoke is not easy to discharge, and if the smoke is too large, it may affect the safety of the workers, to reduce the influence of the smoke on the workers in the tunnel, the placing box is arranged, the towel is placed in the placing box, and when the central control platform detects the smoke, water is input into the placing box to soak the towel, so that the workers on the scene can take the towel to cover their mouths and noses to escape, thereby reducing the corresponding safety problems.

[0021] In summary, the utility model has the following beneficial effects:

[0022] 1. The smoke sensor senses the generated smoke, and transmits corresponding data to the central control platform for analysis, and when the set danger index is reached, the central control platform sends corresponding instructions to the controller to control the control valve on the water inlet pipe to spray water at the corresponding position to extinguish the fire or smoke, thereby reducing the safety problems caused by the burning of the waterproof plate during the welding of the steel bar.

[0023] 2. The placing box is arranged, the towel is placed in the placing box, and when the central control platform detects the smoke, water is input into the placing box to soak the towel, so that the workers on the scene can take the towel to cover their mouths and noses to escape, thereby reducing the corresponding safety problems.

[0024] 3. The fan, the conveying pipe and the absorption box are arranged to absorb part of the smoke between the absorption box and the absorbent, thereby reducing the amount of smoke remaining in the tunnel and reducing the corresponding safety problems. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1is a schematic diagram of the overall structure of an embodiment of the present application.

[0026] Figure 2 is Figure 1 is a schematic diagram of a partial enlargement of part A in the above figure.

[0027] Figure 3 is a schematic diagram of the structure of a control mechanism in an embodiment of the present application.

[0028] Reference signs: 1, trolley; 2, arc-shaped plate; 21, spray head; 3, conveying mechanism; 31, water inlet pipe; 311, limiting ring; 32, control valve; 33, water storage tank; 34, first water conveying pipe; 4, control mechanism; 41, sensor; 411, smoke sensor; 412, temperature sensor; 413, distance measuring sensor; 42, central control platform; 43, controller; 44, alarm; 5, placement box; 51, second water conveying pipe; 6, mounting plate; 61, limiting piece; 62, connecting piece; 621, abutment plate; 622, connecting bolt; 7, absorption box; 71, fan; 72, conveying pipe. DETAILED DESCRIPTION

[0029] The following will be described in detail below with reference to the accompanying Figures 1-3 The present application will be described in further detail.

[0030] An embodiment of the present application discloses a tunnel construction fire-fighting device.

[0031] Embodiment:

[0032] A tunnel construction fire-fighting device, with reference to Figure 1 , comprises an arc-shaped plate 2 arranged on a trolley 1, a plurality of spray heads 21 arranged at intervals along the extension direction of the arc of the arc-shaped plate 2, a conveying mechanism 3 connected to the spray heads 21 for conveying water, a control mechanism 4 for controlling the water spraying of the spray heads 21, and a placement box 5 arranged on the trolley 1. In this embodiment, the arc shape of the arc-shaped plate 2 corresponds to the arc shape of the tunnel inner wall, and the spray direction of the spray heads 21 is arranged towards the tunnel inner wall.

[0033] The conveying mechanism 3 comprises a water inlet pipe 31 connected to the spray heads 21, a control valve 32 arranged on the water inlet pipe 31, and a water storage tank 33 connected to the water inlet pipe 31 and a first water conveying pipe 34 fixedly penetrating the water storage tank 33. In this embodiment, the number of the water inlet pipes 31 and the control valves 32 corresponds to the number of the spray heads 21, and the water outlet end of the water inlet pipe 31 is fixedly connected to the spray head 21. The first water conveying pipe 34 is connected to a water pipe inside or outside the tunnel, or other water sources such as a nearby reservoir, to provide water to the spray heads 21.

[0034] With reference to Figure 1 , Figure 2The arc-shaped plate 2 is slidably connected with a mounting plate 6 for mounting the water inlet pipe 31, the mounting plate 6 slides along the arc-shaped extension direction of the arc-shaped plate 2, the arc-shaped plate 2 is provided with a limiting piece 61 for limiting the sliding of the mounting plate 6, and the limiting piece 61 is specifically a limiting bolt threaded through the mounting plate 6 and screwed with the arc-shaped plate 2. The mounting plate 6 is provided with a connecting piece 62, and the water inlet pipe 31 is detachably connected to the mounting plate 6 through the connecting piece 62. Specifically, the outer peripheral wall of the water inlet pipe 31 is coaxially sleeved with a limiting ring 311, two limiting rings 311 are arranged, and an installation space for mounting the connecting piece 62 is left between the two limiting rings 311. The connecting piece 62 includes an abutting plate 621 abutting against the surfaces of the two limiting rings 311 close to each other and a connecting bolt 622 threaded through one of the abutting plates 621 and screwed with the other abutting plate 621. The abutting plate 621 is arranged in an arc shape, and one of the abutting plates 621 is fixedly connected to the mounting plate 6. The inner walls of the two arc-shaped plates 2 abut against the outer peripheral wall of the water inlet pipe 31, and one end of the two abutting plates 621 is hinged. The connecting bolt 622 is threaded through the free ends of the two abutting plates 621. Further, the surfaces of the two abutting plates 621 close to each other are provided with anti-skid pads (not shown in the figure) to improve the connection strength between the abutting plates 621 and the water inlet pipe 31.

[0035] Referring to Figure 3 The control mechanism 4 includes a sensor 41 arranged on the trolley 1, a central control platform 42 electrically connected to the sensor 41 to process the collected data, a controller 43 electrically connected to the central control platform 42 to execute the instructions sent by the central control platform 42 after processing the collected data, and an alarm 44 electrically connected to the central control platform 42. In this embodiment, a plurality of sensors 41 are arranged at intervals along the arc extension direction of the arc-shaped plate 2. The sensor 41 specifically includes a smoke sensor 411, a temperature sensor 412, and a distance measuring sensor 413, and the controller 43 is electrically connected to the control valve 32.

[0036] The top of the placing box 5 is arranged in an open manner, and the placing box 5 is rotationally connected with a cover plate for opening and closing the opening. The cover plate is specifically installed at the opening of the placing box 5 through a buckle. The placing box 5 is provided with a towel, and the placing box 5 and the water storage tank 33 are connected with a second water delivery pipe 51. The second water delivery pipe 51 is also provided with a control valve 32. When the smoke sensor 411 detects smoke, the control valve 32 on the second water delivery pipe 51 is started before the water is sprayed from the spray head 21, so that a part of the water is input into the placing box 5 to soak the towel, so that the staff on site can cover their mouths and noses, which is convenient for escaping when the smoke is large, and reduces the harm caused by the smoke.

[0037] Further, since the tunnel is relatively long, when smoke is generated, it is relatively difficult to discharge the tunnel, and for this, the embodiment further includes an absorption box 7 arranged on the trolley 1, the absorption box 7 is internally provided with an absorbent for absorbing smoke, the absorbent can be activated carbon or water, ammonia water, sodium hydroxide solution, etc., and is specifically arranged according to requirements. The trolley 1 is provided with a fan 71, and a conveying pipe 72 is connected between the fan 71 and the absorption box 7, the conveying pipe 72 is fixedly arranged in the absorption box 7 and extends into the absorbent.

[0038] The implementation principle of the tunnel construction fire-fighting equipment in the embodiment of the application is as follows: when sparks splash on the waterproof plate, smoke and the like will be generated first, at this time, the smoke sensor 411, the temperature sensor 412 and the distance measuring sensor 413 arranged are used to sense the generated smoke, temperature and distance of the fire, and then transmit corresponding data to the central control platform 42 for analysis, when the set dangerous index is reached, the central control platform 42 sends corresponding instructions to the controller 43 to control the control valve 32 on the water inlet pipe 31 to spray water to the corresponding position to extinguish the fire or smoke, thereby relatively reducing the safety problem caused by the fire of the waterproof plate during the welding of the reinforcing steel bars.

[0039] The above are preferred embodiments of the application, and do not limit the protection scope of the application, therefore: equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A tunnel construction fire fighting apparatus characterized by: The utility model relates to a tunnel cleaning device, including the arc plate (2) set up on the trolley (1), a plurality of interval settings of the spray head (21) along the arc extension direction of arc plate (2), the delivery mechanism (3) for conveying water with the spray head (21) intercommunication and the control mechanism (4) for controlling the spray head (21) water spray, the arc of arc plate (2) corresponds the arc of the tunnel inner wall and sets up, the spray direction of spray head (21) is set up to the tunnel inner wall, the delivery mechanism (3) includes the water inlet pipe (31) with the spray head (21) intercommunication and the control valve (32) set up on water inlet pipe (31), the control mechanism (4) includes the sensor (41) set up on trolley (1), the central control platform (42) of electric connection to sensor (41) to the data collected are handled and the controller (43) of electric connection to central control platform (42) to the instruction sent by central control platform (42) according to the data collected are handled and are executed, the sensor (41) includes smoke sensor (411), the controller (43) is electrically connected to the control valve (32), the smoke sensor (411) is interval setting with a plurality of along the arc extension direction of arc plate (2) arc.

2. A fire protection apparatus for use in the construction of a tunnel according to claim 1, characterised in that: The control mechanism (4) further comprises an alarm (44) electrically connected to the central control platform (42), and the sensor (41) further comprises a temperature sensor (412) electrically connected to the central control platform (42).

3. A fire protection apparatus for use in the construction of a tunnel according to claim 1, characterized in that: The delivery mechanism (3) further comprises a first water pipe (34) connected to the water inlet pipe (31), and the number of the water inlet pipe (31) and the control valve (32) corresponds to the number of the spray head (21); the arc plate (2) is fixedly connected with a mounting plate (6) for mounting the water inlet pipe (31), and the mounting plate (6) is provided with a connecting piece (62); the water inlet pipe (31) is detachably connected to the mounting plate (6) through the connecting piece (62).

4. A fire protection apparatus for use in the construction of tunnels according to claim 3, characterized in that: The outer peripheral wall of the water inlet pipe (31) is coaxially sleeved with a limiting ring (311), the limiting ring (311) is provided with two limiting rings (311), and the two limiting rings (311) are provided with an installation space for mounting the connecting piece (62); the connecting piece (62) comprises an abutting plate (621) abutting against the surfaces of the two limiting rings (311) close to each other and a connecting bolt (622) penetrating one of the abutting plates (621) and threadedly connected with the other abutting plate (621); the abutting plate (621) is arranged in an arc shape, one of the abutting plates (621) is fixedly connected to the mounting plate (6), the inner walls of the two abutting plates (621) abut against the outer peripheral wall of the water inlet pipe (31), and one end of the two abutting plates (621) is hingedly connected.

5. A fire protection apparatus for use in the construction of tunnels according to claim 4, characterized in that: The surfaces of the two abutting plates (621) close to each other are provided with anti-skid pads.

6. A fire protection apparatus for use in the construction of tunnels according to claim 3, characterized in that: The mounting plate (6) slides along the arc extension direction of the arc plate (2), and the arc plate (2) is provided with a limiting piece (61) limiting the sliding of the mounting plate (6).

7. A fire protection apparatus for use in the construction of tunnels according to claim 1, characterized in that: Also include the placement of the box (5), the top of the box (5) is open, the box (5) is provided with a cover for opening and closing the opening, the box (5) placed in the towel, the box (5) is provided with a second water pipe (51) connected to the first conveying pipe (72), the second water pipe (51) is also provided with a control valve (32).

8. A tunnel construction fire protection apparatus according to claim 1, wherein: Also include the setting on the trolley (1) absorption box (7), the absorption box (7) is filled with an absorbent for absorbing smoke, the trolley (1) is provided with a fan (71), the fan (71) and absorption box (7) are connected between the conveying pipe (72), the conveying pipe (72) is fixedly provided in the absorption box (7) and extends into the absorbent.