Fire-fighting cable bridge

By designing fire-fighting cable trays with supporting, opening, closing, and fire-extinguishing mechanisms, the problems of fire spread and high-temperature safety hazards were solved, achieving effective fire extinguishing and heat dissipation.

CN223680672UActive Publication Date: 2025-12-16SHANDONG NEUTRON ELECTRIC POWER TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422857822.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-12-16
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

Existing fire-fighting cable trays are ineffective in preventing the spread of fire during a fire and pose safety hazards in high-temperature environments.

Method used

A fire-fighting cable tray including a support mechanism, an opening and closing mechanism, and a fire extinguishing mechanism was designed. The cable tray is heat-dissipated by using an aluminum alloy shell with fire-retardant coating, and the opening and closing mechanism closes the cable tray and the dry powder fire extinguishing mechanism is used for fire extinguishing.

Benefits of technology

It effectively prevents the spread of fire, avoids excessively high temperatures, slows down the deterioration of the fire, and improves the safety and service life of cable trays.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223680672U_ABST
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Abstract

The utility model discloses a fire-fighting cable bridge, which belongs to the technical field of cable bridges and comprises two groups of supporting mechanisms, limiting blocks are fixedly connected to the front end and the rear end of the top of each supporting mechanism, a shell is fixedly mounted between the two groups of supporting mechanisms, and a plurality of limiting holes are formed in the front end and the rear end of one side of the shell. The fire extinguishing device comprises a shell, a sliding cover is connected to the upper end of the shell in a sliding mode, rectangular grooves are formed in the two sides of the top of the sliding cover respectively, opening and closing mechanisms are installed in the two rectangular grooves respectively, and a fire extinguishing mechanism is fixedly installed in the center of the upper end of the sliding cover. The opening and closing mechanism can seal the upper end shell of the cable bridge, the effect of sealing the periphery of the bridge is achieved, then the fire extinguishing mechanism is used for extinguishing fire, fire spreading can be further effectively prevented, and fire deterioration is delayed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cable bridge technical field, in particular to a fire-fighting cable bridge. BACKGROUND

[0002] Cable bridge is divided into groove type, tray type and ladder type, net format structure, by support, support arm and installation accessory etc. composition, the bridge in building can be independently erected, also can be laid on various building's pipe gallery support, should embody simple structure, modelling beautiful, configuration flexible and maintenance convenient etc. characteristics, all parts need to carry on galvanization treatment, install the bridge of open air in building, the fire-fighting cable bridge uses when can be in high temperature state for a long time.

[0003] At present, there are various types of fire-fighting cable bridges on the market. The utility model with the publication number CN220273211U discloses a novel cable bridge with fire-fighting alarm function. The device is provided with a fire extinguishing box fixedly connected to the top of the cover plate, and a siren fixedly connected to one side of the cable bridge. When a fire occurs, the smoke sensor inside the bridge will first sound the alarm when it senses smoke, and then extinguish the fire through the fire extinguishing box. However, relying solely on the fire extinguishing box to extinguish the fire cannot effectively prevent the spread of fire, and the fire-fighting cable bridge will be in a high temperature state for a long time under normal circumstances. If heat dissipation is not timely, there may be safety hazards, leading to further deterioration of the fire situation when it ignites.

[0004] Therefore, there is an urgent need to provide a fire-fighting cable bridge to solve the above problems. INVENTION CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide a fire-fighting cable bridge.

[0006] To solve the above technical problems, the utility model adopts one technical scheme: providing a fire-fighting cable bridge, which comprises two groups of supporting mechanisms, the front and rear ends of the top of each supporting mechanism are fixedly connected with a limiting block, a shell is fixedly installed between the two groups of supporting mechanisms, a plurality of limiting holes are formed in the front and rear ends of one side of the shell, a sliding cover is slidably connected to the upper end of the shell, a rectangular groove is formed in the top of each side of the sliding cover, an opening and closing mechanism is installed in each rectangular groove, and a fire extinguishing mechanism is fixedly installed at the center of the upper end of the sliding cover.

[0007] The utility model is further provided as follows: the supporting mechanism comprises a U-shaped plate fixedly installed at the lower end of the shell, a knob is threadedly connected to the top of each end of the U-shaped plate, an adjusting plate is slidably connected to each end of the top of the U-shaped plate, and a plurality of limiting grooves are formed in the adjusting plate.

[0008] Through the technical scheme, the adjusting plate can adjust the cable bridge to a suitable position according to the height of the wall.

[0009] The utility model further sets up: the shell includes the shell fixed installation between two groups U type board, the top of shell is fixedly installed with ventilation board, the front and back ends of ventilation board bottom one side all are fixedly connected with support column.

[0010] Through the technical scheme, the ventilation board is used for dissipating heat of the cable bridge to prevent temperature from being too high, thereby avoiding safety hazards.

[0011] The utility model further sets up: the shell is made of aluminium alloy material, and its surface is coated with fireproof paint.

[0012] Through the technical scheme, the aluminium alloy is light in weight and corrosion resistant, and has good heat conduction performance, and after being coated with fireproof paint, the spread of fire can be further slowed down when fire occurs.

[0013] The utility model further sets up: the opening and closing mechanism includes long plate rotationally installed in the rectangular groove in the inside of the sliding cover, one side of the front and back ends of the long plate is fixedly connected with the rotary column, the other end of the rotary column is rotationally connected in the inside of the sliding cover, the outside of the rotary column is fixedly connected with the movable rod, the movable rod is wound with the string, the string is wound around each movable rod and support column and forms a closed loop.

[0014] Through the technical scheme, the string winds the movable rod and the support column together to form a whole, and the string pulls each movable rod to keep stable, so that the opening and closing mechanism is in the open state, when the string is disconnected, the movable rod loses the pulling force, and the whole opening and closing mechanism is closed.

[0015] The utility model further sets up: the string adopts nylon material.

[0016] Through the technical scheme, the nylon material has high strength, high wear resistance and good impact resistance, and has a certain degree of heat resistance.

[0017] The utility model further sets up: the fire extinguishing mechanism includes dry powder storage bin fixedly installed on the upper end center of the sliding cover, the dry powder storage bin is fixedly installed with electromagnetic valve in the inside, the electromagnetic valve is fixedly installed in the center of the upper end of the sliding cover, the bottom of the electromagnetic valve is connected with the short pipe, the bottom of the short pipe is fixedly connected with the spray head.

[0018] Through the technical scheme, when the fire extinguishing mechanism detects smoke, the electromagnetic valve is triggered, the dry powder stored in the dry powder storage bin is sprayed from the spray head along the short pipe, and the periphery of the cable bridge is extinguished.

[0019] The utility model has the advantages of the following:

[0020] 1.The utility model discloses a mutually match between the opening and closing mechanism and the fire extinguishing mechanism on the slide cover, when the fire occurs, the opening and closing mechanism can close the upper end shell of the cable bridge frame, reach the effect that the bridge frame is sealed around, use the fire extinguishing mechanism to extinguish the fire again, can further effectively prevent the spread of fire, thereby delaying the deterioration of the fire.

[0021] 2.The utility model discloses the opening and closing mechanism of setting on the upper end of the shell, when long -term use, the opening and closing mechanism is always in the open state, the effective heat dissipation of cable bridge frame is carried out through the ventilation board in the shell, prevent temperature too high, thereby reduce the service life of cable and reduce the security risk, avoid further deteriorating the fire when the fire occurs. ACCURACY OF DRAWINGS

[0022] Figure 1 It is the front view of the utility model;

[0023] Figure 2 It is the structure diagram of the support mechanism of the utility model;

[0024] Figure 3 It is the structure diagram of the opening and closing mechanism of the utility model;

[0025] Figure 4 It is the side view of the utility model;

[0026] Figure 5 It is the sectional view of the fire extinguishing mechanism of the utility model;

[0027] Figure 6 It is Figure 3 The local enlarged view of A in the middle.

[0028] In the drawing: 1, support mechanism;11, U-shaped plate;12, knob;13, adjusting plate;14, limit slot;2, limit block;3, shell;31, shell;32, ventilation plate;33, support column;4, limit hole;5, slide cover;6, opening and closing mechanism;61, rotating column;62, long plate;63, moving rod;64, string;7, fire extinguishing mechanism;71, dry powder storage bin;72, electromagnetic valve;73, short pipe;74, spray head. DETAILED DESCRIPTION

[0029] The preferred embodiments of the utility model are described in detail below with reference to the drawings, so that the advantages and characteristics of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model is more clearly and explicitly defined.

[0030] Please refer to Figures 1-6The utility model provides a fire -fighting cable bridge, including two groups of support mechanism 1, the front and rear ends of support mechanism 1 top are fixedly connected with limiting block 2, two groups of support mechanism 1 between fixed mounting has the casing 3, the front and rear ends of one side of casing 3 are all set up with a plurality of limiting holes 4, the upper end of casing 3 is slidably connected with the slide cover 5, both sides of slide cover 5 top are all set up with rectangular slot, two rectangular slots all are installed with open-close mechanism 6, the upper end of slide cover 5 is fixedly installed with fire extinguishing mechanism 7 in the center, support mechanism 1 is used to support the whole cable bridge, limiting block 2 is used to fix support mechanism 1 on the top of wall, and the limiting hole 4 set up at both ends of casing 3 is used to connect each cable bridge, and the open-close mechanism 6 on slide cover 5 can heat dissipation to the inside of cable bridge when opening, to prevent temperature from being too high, when on fire, fire extinguishing mechanism 7 can timely and effectively extinguish fire.

[0031] As Figure 2 shown, support mechanism 1 includes the U-shaped plate 11 fixedly installed at the lower end of casing 3, the top of the front and rear ends of U-shaped plate 11 is screw-connected with knob 12, the front and rear ends of the top of U-shaped plate 11 is slidably connected with adjusting plate 13, a plurality of limiting grooves 14 are formed on adjusting plate 13, after adjusting the height of wall and cable bridge, adjusting plate 13 is fixed by twisting knob 12, so that the whole support mechanism 1 reaches stable state.

[0032] As Figure 1 shown, casing 3 includes the shell 31 fixedly installed between two groups of U-shaped plates 11, shell 31 is made of aluminum alloy material, and its surface is coated with fireproof paint, the top of shell 31 is fixedly installed with ventilation plate 32, the front and rear ends of one side of the bottom of ventilation plate 32 are fixedly connected with support column 33, aluminum alloy is light in weight and corrosion-resistant, and has good heat conduction performance, and after being coated with fireproof paint, it can further slow down the spread of fire when fire occurs, and ventilation plate 32 can heat dissipation the heat in the inside of cable bridge to prevent overheating.

[0033] As Figure 3 shown, open-close mechanism 6 includes long plate 62 rotatably installed in the rectangular slot in the inside of slide cover 5, one side of the front and rear ends of long plate 62 is fixedly connected with rotary column 61, the other end of rotary column 61 is rotatably connected in the inside of slide cover 5, dynamic lever 63 is fixedly connected to the outside of rotary column 61, fine rope 64 is wound on dynamic lever 63, fine rope 64 is made of nylon material, fine rope 64 winds around each dynamic lever 63 and support column 33 to form a closed loop, dynamic lever 63 and support column 33 are wound together by fine rope 64 to form an integral whole, so that each dynamic lever 63 is kept stable under tension, so that open-close mechanism 6 is in the open state, when fine rope 64 is disconnected, dynamic lever 63 loses tension, and the whole open-close mechanism 6 is closed, so that the cable bridge is in the state of being enclosed on all sides, which can further slow down the spread of fire.

[0034] As Figure 5As shown, the fire extinguishing mechanism 7 includes a dry powder storage bin 71 fixedly installed at the center of the upper end of the sliding cover 5, an electromagnetic valve 72 fixedly installed inside the dry powder storage bin 71, the electromagnetic valve 72 fixedly installed at the center of the upper end of the sliding cover 5, a short pipe 73 connected to the bottom of the electromagnetic valve 72, and a spray head 74 fixedly connected to the bottom of the short pipe 73. When a fire occurs, the fire extinguishing mechanism 7 can trigger the electromagnetic valve 72 at the first time when smoke is sensed, so that the dry powder inside the dry powder storage bin 71 is sprayed out from the spray head 74 along the inside of the short pipe 73, thereby extinguishing the fire inside the cable bridge.

[0035] In use, the thin rope 64 can pull the movable rod 63 under normal circumstances, so that the entire opening and closing mechanism 6 is in an open state, and the internal heat dissipation plate 32 of the cable bridge can effectively dissipate heat inside the cable bridge to prevent the internal temperature from being too high. When a fire occurs, the fire will burn the thin rope 64, at which time the movable rod 63 loses tension and the entire opening and closing mechanism 6 will be closed, so that the cable bridge is in a closed state, which can effectively prevent the spread of fire. The fire extinguishing mechanism 7 can trigger the electromagnetic valve 72 at the first time when smoke is sensed, so that the dry powder inside the dry powder storage bin 71 is sprayed out from the spray head 74 along the inside of the short pipe 73, thereby extinguishing the fire inside the cable bridge. The entire device is simple and efficient, can dissipate heat inside the cable bridge under normal circumstances, and can effectively prevent the spread of fire when a fire occurs.

[0036] The above is only an embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the present application.

Claims

1. A fire-fighting cable bridge comprising two groups of support mechanisms (1), characterized in that: The front and rear ends of the top of the supporting mechanism (1) are fixedly connected with limiting blocks (2), two groups of supporting mechanisms (1) are fixedly installed between the shells (3), a plurality of limiting holes (4) are formed in the front and rear ends of one side of the shell (3), the shell (3) is slidably connected with a sliding cover (5) on the upper end, a plurality of rectangular grooves are formed in the top of both sides of the sliding cover (5), and opening and closing mechanisms (6) are installed in the two rectangular grooves, and a fire extinguishing mechanism (7) is fixedly installed on the upper end of the center of the sliding cover (5).

2. The fire-resistant cable tray of claim 1, wherein: The supporting mechanism (1) comprises a U-shaped plate (11) fixedly installed at the lower end of the shell (3), knobs (12) are threadedly connected with the top of the front and rear ends of the U-shaped plate (11), and adjusting plates (13) are slidably connected with the front and rear ends of the top of the U-shaped plate (11).

3. The fire-resistant cable tray of claim 1, wherein: The shell (3) comprises an outer shell (31) fixedly installed between the two groups of U-shaped plates (11), and a ventilation plate (32) is fixedly installed on the top of the outer shell (31), and support columns (33) are fixedly connected with the front and rear ends of one side of the bottom of the ventilation plate (32).

4. The fire resistant cable tray of claim 3, wherein: The outer shell (31) is made of aluminum alloy material, and the surface is coated with fireproof paint.

5. The fire resistant cable tray of claim 1, wherein: The opening and closing mechanism (6) comprises a long plate (62) rotatably connected in the rectangular groove in the sliding cover (5), rotating columns (61) are fixedly connected with one side of the front and rear ends of the long plate (62), dynamic rods (63) are fixedly connected with the outer wall of the rotating column (61), a fine rope (64) is wound on the dynamic rod (63), and the fine rope (64) forms a closed loop by winding around each dynamic rod (63) and support column (33).

6. The fire resistant cable tray of claim 5, wherein: The fine rope (64) is made of nylon material.

7. The fire resistant cable tray of claim 1, wherein: The fire extinguishing mechanism (7) comprises a dry powder storage bin (71) fixedly installed on the upper end of the center of the sliding cover (5), an electromagnetic valve (72) is fixedly installed in the dry powder storage bin (71), the electromagnetic valve (72) is fixedly installed on the center of the upper end of the sliding cover (5), a short pipe (73) is connected with the bottom of the electromagnetic valve (72), and a spray head (74) is fixedly connected with the bottom of the short pipe (73).

Citation Information

Patent Citations

  • Novel cable bridge with fire alarm function

    CN220273211U