Fire suppression device suitable for traction power supply electrified equipment
By designing the worm gear mechanism inside the housing and the fire suppression device for the carbon dioxide generator, the problems of inconvenient installation and safety in the existing technology have been solved, enabling rapid installation of traction power supply equipment and efficient fire suppression.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-03-20
AI Technical Summary
Existing fire suppression devices are inconvenient to install and adjust on traction power supply equipment, and traditional fire extinguishing methods may damage equipment and endanger personnel safety.
A fire suppression device was designed, comprising a housing, fire extinguishing components, a fixing box, a bidirectional threaded rod, and a worm gear mechanism. The worm gear is driven by a rotating shaft to move the rectangular cylinder. The clamping plate is fixed to the inner wall of the electrical equipment cabinet. Combined with a carbon dioxide generator and sensors, the device monitors the fire and extinguishes it.
It enables rapid installation and repositioning of fire suppression devices, ensuring equipment safety, avoiding equipment damage and personnel hazards associated with traditional fire extinguishing methods, and effectively extinguishing fires.
Smart Images

Figure CN224008916U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fire prevention and control, and in particular to a fire suppression device applicable to traction power supply equipment. Background Technology
[0002] Railway traction substations and other power supply facilities and equipment are important electrical equipment in the railway power supply system. There are a large number of electrical equipment and cables and wires both indoors and outdoors. In the event of a fire, using fire extinguishing equipment such as water, sand, dry powder, and sulfur hexafluoride will not only damage the electrical equipment, but also pose a great danger to the lives of firefighters.
[0003] In the existing technology, fire suppression devices require drilling holes inside the electrical equipment cabinet and connecting them with bolts during installation, which is inconvenient for disassembly and installation. If the installation position of the fire suppression device needs to be changed, holes need to be drilled again, which is too inconvenient.
[0004] Therefore, it is necessary to invent a fire suppression device applicable to traction power supply equipment to solve the above problems. Summary of the Invention
[0005] The purpose of this invention is to provide a fire suppression device suitable for traction power supply equipment, so as to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a fire suppression device suitable for traction power supply equipment, comprising a housing, a fire extinguishing assembly disposed within the housing, a fixed box connected to the rear side of the housing, two fixed plates connected within the fixed box, a bidirectional threaded rod connected to both fixed plates, two rectangular cylinders connected to the outer wall of the bidirectional threaded rod, openings corresponding to the rectangular cylinders on both the left and right sides of the fixed box, a clamping plate connected to the other end of the rectangular cylinders, a rotating shaft rotatably disposed within the fixed box, a worm gear connected to the outer wall of the rotating shaft, and a worm wheel connected to the outer wall of the bidirectional threaded rod, the worm wheel meshing with the worm gear.
[0007] Preferably, the top end of the rotating shaft passes through the fixed box and is connected to a rotating block.
[0008] Preferably, the fire extinguishing assembly includes a carbon dioxide generator and a backup battery connected to the housing, the front side of the housing is provided with multiple air outlets, and the side wall of the housing is connected with a smoke sensor and a temperature sensor.
[0009] Preferably, the fixing box is connected to two limiting blocks, and the side walls of the two limiting blocks are provided with rectangular limiting openings corresponding to the rectangular tube.
[0010] Preferably, the abutting plate is provided with a non-slip pad away from one side of the rectangular cylinder, and the specific material of the non-slip pad is rubber.
[0011] The technical effects and advantages of the utility model are as follows:
[0012] By rotating the rotating shaft, the rotating shaft drives the worm to rotate, the worm drives the worm gear to rotate, the worm gear drives the bidirectional threaded rod to rotate, and the bidirectional threaded rod drives the two rectangular cylinders to move in opposite directions, the rectangular cylinder pushes the abutting plate, so that the abutting plate is tightly abutted with the left and right two inner side walls of the electrical equipment cabinet, the box body can be conveniently and quickly installed, and the installation position can be conveniently adjusted. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is an overall structure schematic view of the utility model;
[0014] Figure 2 It is a sectional structure schematic view of the utility model; Figure 1
[0015] Figure 3 It is a rear side structure schematic view of the utility model; Figure 1
[0016] It is a sectional structure schematic view of the utility model; Figure 4 Figure 3 It is an A part enlarged structure schematic view of the utility model.
[0017] Figure 5 In the drawing: 1, box body; 2, fire extinguishing assembly; 21, carbon dioxide generator; 22, standby battery; 23, gas outlet; 24, smoke sensor; 25, temperature sensor; 3, fixed box; 4, fixed plate; 5, bidirectional threaded rod; 6, rectangular cylinder; 7, abutting plate; 8, rotating shaft; 9, worm; 10, worm gear; 11, rotating block; 12, limiting block. Figure 4 DETAILED DESCRIPTION
[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. DETAILED DESCRIPTION
[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0020] The utility model provides a kind of fire extinguishing assembly, as shown in Figures 1-5 The fire extinguishing device suitable for the live equipment powered by traction power supply shown includes a box body 1, a fire extinguishing assembly 2 is arranged in the box body 1, a fixing box 3 is connected to the rear side of the box body 1, two fixing plates 4 are connected in the fixing box 3, a bidirectional threaded rod 5 is commonly connected in the two fixing plates 4, two rectangular barrels 6 are connected to the outer wall of the bidirectional threaded rod 5, rectangular limiting openings corresponding to the rectangular barrels 6 are formed on the left and right sides of the fixing box 3, a pressing plate 7 is connected to the other end of the rectangular barrel 6, a rotating shaft 8 is rotatably arranged in the fixing box 3, a worm 9 is connected to the outer wall of the rotating shaft 8, a worm wheel 10 is connected to the outer wall of the bidirectional threaded rod 5, the worm wheel 10 is engaged with the worm 9, by rotating the rotating shaft 8, the rotating shaft 8 drives the worm 9 to rotate, the worm 9 drives the worm wheel 10 to rotate, the worm wheel 10 drives the bidirectional threaded rod 5 to rotate, the bidirectional threaded rod 5 drives the two rectangular barrels 6 to move in opposite directions, the rectangular barrel 6 pushes the pressing plate 7, so that the pressing plate 7 is pressed against the left and right inner side walls of the electrical equipment cabinet, the box body 1 can be conveniently and quickly installed, and the installation position can be conveniently adjusted.
[0021] The top end of the rotating shaft 8 penetrates through the fixing box 3 and is connected with a rotating block 11, by the rotating block 11, the rotating shaft 8 can be conveniently driven to rotate.
[0022] The fire extinguishing assembly 2 includes a carbon dioxide generator 21 and a backup storage battery 22 connected with the box body 1, a plurality of gas outlets 23 are arranged on the front side of the box body 1, a smoke sensor 24 and a temperature sensor 25 are connected to the side wall of the box body 1.
[0023] By using the smoke sensor 24 and the temperature sensor 25 to monitor the fire situation in the electrical equipment cabinet, when there is power in the electrical equipment cabinet, the power in the electrical equipment cabinet is used to drive the carbon dioxide generator 21, if the electrical equipment cabinet is already powered off, the backup storage battery 22 is used to drive the carbon dioxide generator 21, the carbon dioxide generator 21 generates a large amount of carbon dioxide, the carbon dioxide is discharged through the gas outlet 23, so that the fire in the electrical equipment cabinet can be quickly extinguished, and the carbon dioxide gas can exclude air and surround the surface of the burning object or be distributed in a relatively closed space, reduce the oxygen concentration in the surrounding of the combustible material or in the protection space, produce a suffocating effect to extinguish the fire, and has obvious inhibition of rekindling.
[0024] Two limiting blocks 12 are connected in the fixing box 3, rectangular limiting openings corresponding to the rectangular barrels 6 are formed on the side walls of the two limiting blocks 12, so that the rectangular barrels 6 can be conveniently limited.
[0025] A non-slip pad is arranged on the side of the pressing plate 7 away from the rectangular barrel 6, and the specific material of the non-slip pad is rubber, so that the non-slip performance of the pressing plate 7 can be conveniently improved.
[0026] The working principle of the utility model:
[0027] By rotating the rotating shaft 8, the rotating shaft 8 drives the worm 9 to rotate, the worm 9 drives the worm wheel 10 to rotate, the worm wheel 10 drives the bidirectional threaded rod 5 to rotate, the bidirectional threaded rod 5 drives the two rectangular barrels 6 to move in opposite directions, the rectangular barrel 6 pushes the abutting plate 7, so that the abutting plate 7 abuts against the left and right two inner side walls of the electrical equipment cabinet, the smoke sensor 24 and the temperature sensor 25 are used to monitor the fire situation in the electrical equipment cabinet, when there is power in the electrical equipment cabinet, the power in the electrical equipment cabinet is used to drive the carbon dioxide generator 21, if the electrical equipment cabinet has been powered off, the standby battery 22 is used to drive the carbon dioxide generator 21, the carbon dioxide generator 21 generates a large amount of carbon dioxide, the carbon dioxide is discharged through the gas outlet 23, so that the fire in the electrical equipment cabinet can be quickly extinguished.
[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.
Claims
1. A fire suppression device suitable for traction power supply equipment, comprising a housing, characterized in that: The box contains a fire extinguishing assembly. A fixing box is connected to the rear of the box. Two fixing plates are connected inside the fixing box. A bidirectional threaded rod is connected to both fixing plates. Two rectangular tubes are connected to the outer wall of the bidirectional threaded rod. Openings corresponding to the rectangular tubes are opened on both the left and right sides of the fixing box. A clamping plate is connected to the other end of the rectangular tube. A rotating shaft is rotatably installed inside the fixing box. A worm gear is connected to the outer wall of the rotating shaft. A worm wheel is connected to the outer wall of the bidirectional threaded rod. The worm wheel meshes with the worm gear.
2. The fire suppression device for traction power supply equipment according to claim 1, characterized in that: The top end of the rotating shaft passes through the fixed box and is connected to a rotating block.
3. The fire suppression device for traction power supply equipment according to claim 1, characterized in that: The fire extinguishing assembly includes a carbon dioxide generator and a backup battery connected to the housing. The front of the housing is provided with multiple air outlets, and the side walls of the housing are connected with smoke sensors and temperature sensors.
4. The fire suppression device for traction power supply equipment according to claim 1, characterized in that: The fixed box is connected to two limiting blocks, and the side walls of the two limiting blocks are provided with rectangular limiting openings corresponding to the rectangular tube.
5. The fire suppression device for traction power supply equipment according to claim 1, characterized in that: An anti-slip pad is provided on the side of the abutment plate away from the rectangular tube, and the anti-slip pad is made of rubber.