Hot galvanizing anti-corrosion spraying fireproof bridge frame

By incorporating fire extinguishing components and fixing structures into fireproof cable trays, the problem of existing fireproof cable trays being unable to extinguish fires and fix cables in a specific order has been solved. This enables the extinguishing and fixing of burning cables, improving the practicality and safety of the device.

CN224204690UActive Publication Date: 2026-05-05SHANGHAI GUQIANG ELECTRIC APPLIANCE WHOLE SET CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI GUQIANG ELECTRIC APPLIANCE WHOLE SET CO LTD
Filing Date
2025-05-08
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Existing fireproof cable trays rely solely on fire-retardant coatings to ensure they do not burn, but they cannot extinguish burning cables or arrange and fix the cables, thus limiting their use.

Method used

A hot-dip galvanized anti-corrosion and fireproof cable tray was designed, comprising a cable tray base, an inclined guide plate, a fixed base, and fire extinguishing components. It extinguishes fires by releasing dry powder fire extinguishing agent through the burning through of a low-melting-point alloy sheet, and the fixed base and limiting grooves are used to fix the cables in a sorted manner.

Benefits of technology

It enables the extinguishing of fire on burning cables and can effectively sort and fix the cables, improving the practicality and safety of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cable bridges, and discloses a hot galvanizing corrosion-resistant spraying fireproof bridge which comprises a bridge bottom shell, an inclined guide plate is arranged at the top of the bridge bottom shell, a fixed base is arranged on the inner bottom wall of the bridge bottom shell, two fixed top seats are arranged outside the fixed base and distributed in a bilateral symmetry mode, and the fixed top seats are arranged at the bottom of the bridge bottom shell. Connecting shafts are arranged on the opposite sides of the two fixed top bases correspondingly, and an inserting groove is formed in the top of the fixed base. According to the hot galvanizing anti-corrosion spraying fireproof bridge frame, by arranging the fire extinguishing assembly, when a cable in the fireproof bridge frame is on fire, flame burns through a low-melting-point alloy sheet, so that a dry powder extinguishing agent in a powder storage frame falls down to extinguish the flame, and then the purpose of extinguishing the fire of the burning cable can be achieved; and the positioning bolts are moved out of the threaded grooves in the powder storage frame by rotating the positioning bolts, then the powder storage frame is disassembled, the powder storage frame can be replaced by a new one, the practicability of the device is improved, and the device is convenient to use by workers.
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Description

Technical Field

[0001] This utility model relates to the field of cable tray technology, specifically to hot-dip galvanized anti-corrosion and fireproof sprayed cable trays. Background Technology

[0002] Fireproof cable trays are suitable for laying power cables below 10KV, as well as control cables, lighting wiring, and other indoor and outdoor overhead cable trenches and tunnels. Fireproof cable trays are mainly composed of fireproof boards made of glass fiber reinforced materials and inorganic adhesives, combined with metal frames and other fireproof substrates. The outer layer is coated with fireproof paint, so the fireproof cable trays will not burn when exposed to fire.

[0003] Existing fireproof cable trays rely solely on fire-retardant coatings to ensure they do not burn, but they cannot extinguish burning cables, thus limiting their use. Furthermore, most existing fireproof cable trays cannot be used to arrange and fix cables. Therefore, hot-dip galvanized anti-corrosion sprayed fireproof cable trays are proposed to solve the aforementioned technical problems. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a hot-dip galvanized anti-corrosion and fireproof cable tray, which has the advantages of extinguishing burning cables and arranging and fixing cables. It solves the problem that existing fireproof cable trays rely solely on fireproof coatings to ensure they do not burn, but cannot extinguish burning cables, thus limiting the use of the device. In addition, most existing fireproof cable trays cannot arrange and fix cables.

[0006] (II) Technical Solution

[0007] To achieve the aforementioned purpose of extinguishing fires on burning cables and arranging and fixing cables, this utility model provides the following technical solution: a hot-dip galvanized anti-corrosion spray fireproof cable tray, including a cable tray bottom shell, an inclined guide plate on the top of the cable tray bottom shell, a fixed base on the inner bottom wall of the cable tray bottom shell, two fixed top seats symmetrically distributed on the outside of the fixed base, a connecting shaft on the opposite side of each of the two fixed top seats, a slot on the top of the fixed base, a snap-fit ​​component extending into the slot on both the left and right side walls of the fixed base, and a fire extinguishing component at the bottom of the inclined guide plate;

[0008] The snap-fit ​​assembly includes snap-fit ​​rods. Each of the left and right side walls of the fixed base is provided with a snap-fit ​​rod with one end extending into the slot. Each of the two snap-fit ​​rods has a baffle on its opposite side. Each of the two baffles has a compression spring sleeved on the outside of the snap-fit ​​rod between its opposite side and the left and right side walls of the fixed base.

[0009] The fire extinguishing assembly includes a powder storage frame. The bottom of the inclined guide plate is provided with a powder storage frame. Positioning blocks are provided on both the left and right sides of the bottom of the inclined guide plate. Positioning bolts that engage with the outside of the powder storage frame are provided on the opposite sides of the two positioning blocks.

[0010] Preferably, the top of the fixed base is provided with a number of first limiting grooves.

[0011] Preferably, each of the two fixed top seats is provided with a number of second limiting grooves on opposite sides, and the number of second limiting grooves is adapted to the number of first limiting grooves one by one.

[0012] Preferably, both connecting shafts have snap-fit ​​holes inside that are adapted to the snap-fit ​​rod.

[0013] Preferably, both of the fixed top seats and the fixed base seats are fixedly connected by hinges.

[0014] Preferably, the powder storage frame has a material leakage hole at the bottom, and a low melting point alloy sheet is fixedly connected to the inner wall of the material leakage hole. The left and right side walls of the powder storage frame are provided with threaded grooves that are compatible with the positioning bolts. The powder storage frame and the fixed base are bonded together by Velcro and Velcro.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, this utility model provides a hot-dip galvanized anti-corrosion and fireproof cable tray, which has the following advantages:

[0017] 1. This hot-dip galvanized anti-corrosion fireproof cable tray, by setting up a fire extinguishing component, when the cables in the fireproof cable tray catch fire, the flames burn through the low-melting-point alloy sheet, causing the dry powder extinguishing agent inside the powder storage frame to fall down and cover and extinguish the flames, thereby achieving the purpose of extinguishing the fire on the burning cables. By rotating the positioning bolts to remove it from the threaded groove in the powder storage frame, the powder storage frame can be removed and replaced, improving the practicality of the device.

[0018] 2. This hot-dip galvanized anti-corrosion and fireproof cable tray, by setting a fixed base, first pulls the two left and right baffles to drive the two locking rods to move in opposite directions, arranging the cables in the first limiting groove in sequence. Then, the two fixed top seats are flipped, and the cables are fixed by the cooperation of the second limiting groove and the first limiting groove. At this time, the two connecting shafts are inside the slot. When the baffles are released, the locking rods are reset and inserted into the locking holes inside the two connecting shafts, thereby achieving the purpose of sorting and fixing the cables, further improving the practicality of the device. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This utility model Figure 1 Enlarged diagram of point A in the middle.

[0021] In the diagram: 1. Cable tray bottom shell; 2. Inclined guide plate; 3. Fixed base; 4. Fixed top seat; 5. Connecting shaft; 6. Slot; 7. Snap-fit ​​assembly; 71. Snap-fit ​​rod; 72. Baffle; 73. Compression spring; 8. Fire extinguishing assembly; 81. Powder storage frame; 82. Positioning block; 83. Positioning bolt. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-2 The hot-dip galvanized anti-corrosion and fireproof cable tray includes a cable tray base shell 1. An inclined guide plate 2 is fixedly connected to the top of the cable tray base shell 1. A fixed base 3 is fixedly connected to the inner bottom wall of the cable tray base shell 1. The top of the fixed base 3 has a number of first limiting grooves. Two fixed top seats 4 are movably connected to the outside of the fixed base 3 and are symmetrically distributed on the left and right. The two fixed top seats 4 are fixedly connected to the fixed base 3 by hinges. The opposite sides of the two fixed top seats 4 are provided with a number of second limiting grooves, and the number of second limiting grooves are matched with the number of first limiting grooves one by one. The opposite sides of the two fixed top seats 4 are fixedly connected with connecting shafts 5. The top of the fixed base 3 has a slot 6.

[0024] The left and right side walls of the fixed base 3 are movably connected to a snap-fit ​​assembly 7, one end of which extends into the slot 6. The snap-fit ​​assembly 7 includes a snap-fit ​​rod 71. The left and right side walls of the fixed base 3 are movably connected to a snap-fit ​​rod 71, one end of which extends into the slot 6. The interior of the two connecting shafts 5 is provided with snap-fit ​​through holes that are adapted to the snap-fit ​​rod 71. The opposite sides of the two snap-fit ​​rods 71 ​​are fixedly connected to baffles 72. The opposite sides of the two baffles 72 and the left and right side walls of the fixed base 3 are fixedly connected to compression springs 73 sleeved on the outside of the snap-fit ​​rods 71.

[0025] A fire extinguishing assembly 8 is bonded to the bottom of the inclined guide plate 2. The fire extinguishing assembly 8 includes a powder storage frame 81. The powder storage frame 81 is filled with dry powder extinguishing agent. Positioning blocks 82 are fixedly connected to the left and right sides of the bottom of the inclined guide plate 2. Positioning bolts 83 that engage with the outside of the powder storage frame 81 are threadedly connected to the opposite sides of the two positioning blocks 82. A material leakage hole is opened at the bottom of the powder storage frame 81. A low melting point alloy sheet is fixedly connected to the inner wall of the material leakage hole. Threaded grooves that match the positioning bolts 83 are opened on the left and right side walls of the powder storage frame 81. The powder storage frame 81 is bonded to the fixed base 3 by Velcro and Velcro.

[0026] It is worth noting that the standard parts used in this application can all be purchased from the market, and the specific connection methods of each part are all connected by conventional means such as bolts, rivets, and welding that are mature in the prior art. Furthermore, the machinery, parts, and equipment all adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art. The contents not described in detail in the description belong to the prior art known to those skilled in the art, and will not be described in detail here.

[0027] In summary, this hot-dip galvanized anti-corrosion and fireproof cable tray, by incorporating a fire extinguishing component 8, allows the flames to burn through the low-melting-point alloy sheet when the cables in the fireproof cable tray catch fire. This causes the dry powder extinguishing agent inside the powder storage frame 81 to fall and extinguish the flames, thus achieving the purpose of extinguishing the fire on the burning cables. By rotating the positioning bolt 83 to remove it from the threaded groove in the powder storage frame 81, the powder storage frame 81 can be removed and replaced, improving the practicality of the device. By setting a fixed base 3, firstly, pulling the two left and right baffles 72 causes the two locking rods 71 ​​to move in opposite directions, arranging the cables sequentially in the... The cable is fixed in the first limiting groove and then the two fixed top seats 4 are flipped over. The cable is fixed by the cooperation of the second limiting groove and the first limiting groove. At this time, the two connecting shafts 5 are inside the slot 6. The baffle 72 is released and the snap-fit ​​rod 71 is reset and inserted into the snap-fit ​​through hole inside the two connecting shafts 5, thereby realizing the purpose of sorting and fixing the cable. This further improves the practicality of the device and solves the problem that the existing fireproof cable trays rely only on fireproof coating to ensure that they will not burn but cannot extinguish the fire of burning cables, which limits the use of the device. At the same time, most of the existing fireproof cable trays cannot sort and fix the cables.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hot-dip galvanized anti-corrosion and fireproof cable tray, including a cable tray base shell (1), characterized in that: The bottom shell (1) of the cable tray is provided with an inclined guide plate (2) at the top, and a fixed base (3) is provided on the inner bottom wall of the bottom shell (1). Two fixed top seats (4) are provided on the outside of the fixed base (3) and are symmetrically distributed on the left and right. A connecting shaft (5) is provided on the opposite side of the two fixed top seats (4). A slot (6) is provided on the top of the fixed base (3). A snap-fit ​​component (7) is provided on the left and right side walls of the fixed base (3) with one end extending into the slot (6). A fire extinguishing component (8) is provided at the bottom of the inclined guide plate (2). The snap-fit ​​assembly (7) includes snap-fit ​​rods (71). Each of the left and right side walls of the fixed base (3) is provided with a snap-fit ​​rod (71) extending into the slot (6). Each of the two snap-fit ​​rods (71) is provided with a baffle (72) on the opposite side. Each of the two baffles (72) is provided with a compression spring (73) sleeved on the outside of the snap-fit ​​rod (71) between the opposite side of the two baffles (72) and the left and right side walls of the fixed base (3). The fire extinguishing component (8) includes a powder storage frame (81). The bottom of the inclined guide plate (2) is provided with a powder storage frame (81). Positioning blocks (82) are provided on both the left and right sides of the bottom of the inclined guide plate (2). Positioning bolts (83) that are engaged with the outside of the powder storage frame (81) are provided on the opposite sides of the two positioning blocks (82).

2. The hot-dip galvanized anti-corrosion and fireproof cable tray according to claim 1, characterized in that: The top of the fixed base (3) is provided with a number of first limiting grooves.

3. The hot-dip galvanized anti-corrosion and fireproof cable tray according to claim 1, characterized in that: The two fixed top seats (4) are provided with a number of second limiting grooves on their opposite sides, and the number of second limiting grooves are adapted to the number of first limiting grooves one by one.

4. The hot-dip galvanized anti-corrosion and fireproof cable tray according to claim 1, characterized in that: Both connecting shafts (5) have snap-fit ​​holes inside that are compatible with snap-fit ​​rods (71).

5. The hot-dip galvanized anti-corrosion and fireproof cable tray according to claim 1, characterized in that: Both of the fixed top seats (4) and the fixed base (3) are fixedly connected by hinges.

6. The hot-dip galvanized anti-corrosion and fireproof cable tray according to claim 1, characterized in that: The bottom of the powder storage frame (81) is provided with a material leakage hole, and a low melting point alloy sheet is fixedly connected to the inner wall of the material leakage hole. The left and right side walls of the powder storage frame (81) are provided with threaded grooves that are compatible with the positioning bolts (83). The powder storage frame (81) and the fixed base (3) are bonded together by Velcro and Velcro.