CN219690803U - Firewall for power cable - Google Patents

Firewall for power cable Download PDF

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Publication number
CN219690803U
CN219690803U CN202321352440.4U CN202321352440U CN219690803U CN 219690803 U CN219690803 U CN 219690803U CN 202321352440 U CN202321352440 U CN 202321352440U CN 219690803 U CN219690803 U CN 219690803U
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CN
China
Prior art keywords
fire
retarding
wall body
protective
protection
Prior art date
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Active
Application number
CN202321352440.4U
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Chinese (zh)
Inventor
秦天
刘军
王理强
王丰
曹凯
陈俊
胡建军
彭文胜
丁婷
薛松
孔祥骏
张旋超
宋泓静
冯天琪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Huayuan Electric Power Co ltd
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Wuhan Huayuan Electric Power Co ltd
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Priority to CN202321352440.4U priority Critical patent/CN219690803U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Abstract

The utility model discloses a firewall for a power cable, which comprises a wall body and a plurality of protective frames, wherein the protective frames penetrate through two sides of the wall body respectively, the protective frames penetrate through a plurality of protective holes and are arranged at equal intervals, cable protective pipes are arranged in the protective holes, the cable protective pipes are used for laying cables, limiting grooves are formed in the bottoms and the tops of the protective frames and correspond to the outer sides of the wall body respectively, limiting structures are arranged on the outer surfaces of the wall body respectively corresponding to the limiting grooves, the protective frames are limited through the limiting structures, and fire-retarding structures are arranged between the wall bodies and on one side of the protective frames and are used for further preventing fire. Can realize the dismouting to maintain the operation, and improve the convenience of installation, and improve the fireproof effect.

Description

Firewall for power cable
Technical Field
The utility model relates to the technical field of power cables, in particular to a firewall for a power cable.
Background
The power cable is a cable for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station outgoing lines, power supply in industrial and mining enterprises and power transmission lines under sea water passing through the river. In the electric power line, the proportion of the cable is gradually increasing. Power cables are cable products used in the main line of power systems to transmit and distribute high power electrical energy.
Along with the development of electric wire netting, cable fire prevention problem frequently, and the cable is established when the tunnel, generally directly passes fireproof wall, only exclusively relies on fireproof wall to carry out isolated fire prevention, leads to not adding the fireproof effect to the cable, and isolated effect is not enough, consequently needs to improve the installation convenience of cable in wall body department, and increases fireproof structure, improves the protection effect to solve prior art problem.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a firewall for a power cable.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a power cable is with preventing hot wall, includes wall body and protection frame, the protection frame is provided with a plurality of, and runs through respectively the both sides of wall body, the protection frame runs through and is provided with a plurality of protection hole and equidistant range, a plurality of be provided with cable protection pipe in the protection hole, cable protection pipe is used for cable laying, the bottom and the top of protection frame and correspond the wall body outside all is provided with the spacing groove, the wall body outside face corresponds respectively the spacing groove is provided with limit structure, through limit structure is right the protection frame is spacing, between the wall body and be provided with fire blocking structure on one side of the protection frame, through fire blocking structure further prevents fires.
In the above technical scheme, when laying the cable, the cable can pass the cable protection tube is laid, and pass through the cable protection tube is independently arranged on the protection frame, make a plurality of cable can keep disconnect-type horizontal arrangement, reduce the contact surface between each cable group, the protection frame is in the wall body department can realize the dismouting, so that maintenance operation, and improve the convenience of installation, only need with the protection frame is relative the wall body inserts, and pass through limit structure is right the protection frame is spacing can, and pass through the fire blocking structure increases the protection effect, reaches the back of fire blocking condition, carries out direct fire blocking and uses, reduces the influence that the cable is on fire.
On the basis of the above technical scheme, preferably, the limit structure comprises a fixed block and a limit block, wherein the fixed block is provided with a plurality of limit grooves which are respectively and fixedly connected with the periphery of the end face of the wall body, the limit block penetrates through the fixed block and is adjustable, the limit block is arranged corresponding to the notch of the limit groove, and the limit block is inserted into the limit groove to form a pair of limit of the protection frame.
In the above technical scheme, through the stopper is in fixed plate department runs through the regulation, and inserts in the spacing inslot, right the protection frame is in the wall body department carries out upper and lower spacing use, and is convenient for right the protection frame is dismantled and assembled.
On the basis of the technical scheme, the limiting device is characterized by preferably further comprising a fixing plate, wherein the fixing plate is provided with a plurality of limiting blocks and fixedly connected with the limiting blocks, the limiting blocks are far away from the end faces of the limiting grooves, bolts are connected with the two sides of the fixing plate in a threaded mode, threaded holes are formed in the two sides of the fixing block in a penetrating mode, and the bolts can extend into the threaded holes and are in threaded connection.
According to the technical scheme, after the position of the limiting block is moved, the bolt extends to the threaded hole to be connected with the threaded hole in a threaded mode, the fixing plate is fastened with the fixing block, and the position of the limiting block is supported for use.
On the basis of the technical scheme, preferably, the fire-retarding structure comprises a fire-retarding frame and a fire-retarding bag, the fire-retarding frame is arranged between the walls corresponding to the side face of the protective frame, and the fire-retarding bag is provided with a plurality of fire-retarding bags which are arranged on the fire-retarding frame at equal intervals to form fire-retarding protection for the cable.
In the above technical scheme, the protection effect is increased through a plurality of fire-retarding bags, and the fire-retarding bags expand and solidify at a higher temperature to form a seal for heat insulation and smoke isolation, and the fire-retarding and moisture-resisting performance is good, so that the fire-retarding and moisture-resisting performance is effectively isolated for use.
On the basis of the technical scheme, preferably, one side of the fire-retarding frame, which is opposite to the fire-retarding bag, is provided with through holes in a penetrating way, and the through holes are arranged at equal intervals, so that the number of the fire-retarding bags is increased, and the protection effect is improved.
On the basis of the technical scheme, preferably, the wall comprises a fireproof plate layer, a flame-retardant layer and a concrete layer, wherein the flame-retardant layer is respectively arranged at the front and the rear of the concrete layer, and the fireproof plate layer is arranged corresponding to the outer part of the flame-retardant layer.
In the technical scheme, the fireproof performance and the high temperature resistance of the wall body are improved through the fireproof plate layer and the flame retardant layer, and the protection effect of the wall body is improved, so that the protection performance on cables is improved.
On the basis of the technical scheme, preferably, the front middle part of the wall body is provided with a openable protective door in a penetrating manner.
Compared with the prior art, the utility model has the beneficial effects that:
1. when laying the cable, the cable can pass the cable protection pipe and lay to arrange on the protection frame through the cable protection pipe is independent, make a plurality of cable can keep disconnect-type horizontal arrangement, reduce the contact surface between each cable group, the protection frame can realize the dismouting in wall body department, so as to maintain the operation, and improve the convenience of installation, only need insert the protection frame relative wall body, and through limit structure to the protection frame spacing can, improve the convenient effect of operation.
2. Through the structure that blocks fire increases the protection effect, reach the back of fire control condition, carry out direct fire control and use, the back fire control package expands and solidifies under higher temperature, forms a thermal-insulated, sealed of smoke insulation, and fire prevention moisture-proof nature is good, forms effectual isolated use, reduces the influence that the cable fire brought.
Drawings
FIG. 1 is a schematic view of a flame retardant wall for a power cable according to the present utility model;
FIG. 2 is a front view of a firewall for power cables according to the present utility model;
FIG. 3 is a cross-sectional view of a wall of a firewall for power cables according to the present utility model;
fig. 4 is an enlarged schematic view of the structure at a in fig. 1.
In the figure: the fire-retardant wall comprises a wall body 1, a fire-retardant plate layer 11, a fire-retardant layer 12, a concrete layer 13, an openable protective door 14, a protective frame 2, a protective hole 21, a cable protective pipe 22, a limit groove 23, a limit structure 3, a fixed block 31, a limit block 32, a fixed plate 33, a bolt 34, a threaded hole 35, a fire-retardant structure 4, a fire-retardant frame 41, a fire-retardant bag 42 and a through hole 43.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present utility model, are within the scope of the present utility model.
As shown in fig. 1-4, the firewall for power cables of the utility model comprises a wall body 1 and a protective frame 2, wherein a plurality of protective frames 2 are arranged and penetrate through two sides of the wall body 1 respectively, the protective frame 2 penetrates through a plurality of protective holes 21 and is arranged at equal intervals, cable protective pipes 22 are arranged in the plurality of protective holes 21, the cable protective pipes 22 are used for laying cables, limiting grooves 23 are respectively arranged at the bottom and the top of the protective frame 2 and the outer sides of the corresponding wall body 1, limiting structures 3 are respectively arranged at the outer sides of the wall body 1 and correspond to the limiting grooves 23, the protective frame 2 is limited by the limiting structures 3, fire-retarding structures 4 are arranged between the wall bodies 1 and at one side of the protective frame 2, the cables can be further prevented from fire by the fire-retarding structures 4, when the cables are laid, the cables can pass through the cable protective pipes 22 and are independently arranged on the protective frame 2, so that the cables can be arranged at separate levels, the contact surfaces between the cable protective frame 2 can be disassembled and assembled at the wall body 1, so that maintenance operation can be performed, and convenience in installation can be improved, the fire-retarding effect can be directly achieved by the addition of the limiting structures 4 by inserting the protective frame 2 into the wall body 1 and the limiting structures through the limiting structures 3.
As a preferred embodiment, limit structure 3 includes fixed block 31 and stopper 32, and fixed block 31 is provided with a plurality of to correspond spacing groove 23 fixed connection respectively around the terminal surface of wall body 1, stopper 32 runs through fixed block 31 and adjustable, stopper 32 corresponds spacing groove 23's notch setting, and stopper 32 inserts in spacing groove 23, forms spacing to protection frame 2, runs through the regulation through stopper 32 in fixed plate 31 department to insert in the spacing groove 23, comes to carry out upper and lower spacing use to protection frame 2 in wall body 1 department, and is convenient for carry out the dismouting to protection frame 2.
As a preferred embodiment, the fixing plate 33 further comprises a plurality of fixing plates 33, the fixing plates 33 are fixedly connected to the end faces, far away from the limiting grooves 23, of the limiting blocks 32, bolts 34 are connected to the two sides of the fixing plates 33 in a threaded mode, threaded holes 35 are formed in the two sides of the fixing blocks 31 in a penetrating mode, the bolts 34 can extend into the threaded holes 35 and are in threaded connection, after the position of the limiting blocks 32 is moved, the bolts 34 extend into the threaded holes 35 to be in threaded connection, the fixing plates 33 are fastened with the fixing blocks 31, and the position of the limiting blocks 32 is supported.
As a preferred embodiment, the fire-retarding structure 4 comprises a fire-retarding frame 41 and a fire-retarding bag 42, the fire-retarding frame 41 is arranged between the walls 1 corresponding to the side surfaces of the protective frames 2, the fire-retarding bags 42 are provided with a plurality of fire-retarding layers 12 and are arranged on the fire-retarding frame 41 at equal intervals to form fire-retarding protection for cables, the protective effect is increased by the fire-retarding bags 42, the fire-retarding layers expand and solidify at higher temperature to form a heat-insulating and smoke-insulating seal, the fire-retarding and moisture-resisting performance is good, the effective isolation is formed, the fire-retarding frames 41 are provided with through openings 43 penetrating through one side of the fire-retarding bags 42, the through openings 43 are provided with a plurality of equidistant arrangements so as to increase the use quantity of the fire-retarding bags 42, the protective effect is improved, the walls 1 comprise fire-retarding layers 11, fire-retarding layers 12 and concrete layers 13, the fire-retarding layers 12 are respectively arranged on the front and back of the concrete layers 13, the fire-retarding layers 11 are arranged corresponding to the outer sides of the fire-retarding layers 12, the fire-retarding performance and the high-resisting performance of the walls 1 are improved, the protective effect of the walls 1 is increased, and thus the protective performance of the cable is increased, the protective performance is improved, and the protective performance of the walls 1 is improved, and the protective performance is improved, and the middle is convenient to be opened and closed and opened and closed by checking the walls 1.
Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a power cable is with preventing wall, its characterized in that, includes wall body and protection frame, the protection frame is provided with a plurality of, and runs through respectively the both sides of wall body, the protection frame runs through and is provided with a plurality of protection hole and equidistant range, a plurality of be provided with cable protection pipe in the protection hole, cable protection pipe is used for cable laying, the bottom and the top of protection frame just correspond the wall body outside all is provided with the spacing groove, the wall body external surface corresponds respectively the spacing groove is provided with limit structure, through limit structure is right the protection frame is spacing, between the wall body and be provided with fire-blocking structure on one side of the protection frame, through fire-blocking structure further prevents fires.
2. The fire wall for the power cable according to claim 1, wherein the limiting structure comprises a fixed block and limiting blocks, the fixed block is provided with a plurality of limiting grooves which are respectively and fixedly connected to the periphery of the end face of the wall body, the limiting blocks penetrate through the fixed block and are adjustable, the limiting blocks are arranged corresponding to the notch of the limiting grooves, and the limiting blocks are inserted into the limiting grooves to limit the protective frame.
3. The firewall for a power cable according to claim 2, further comprising a fixing plate, wherein the fixing plate is provided with a plurality of fixing plates and fixedly connected with the end faces of the limiting blocks away from the limiting grooves, bolts are connected to the two sides of the fixing plate in a threaded mode, threaded holes are formed in the two sides of the fixing block in a penetrating mode, and the bolts can extend into the threaded holes and are in threaded connection.
4. The fire wall for the power cable according to claim 1, wherein the fire-retarding structure comprises fire-retarding frames and fire-retarding bags, the fire-retarding frames are arranged between the walls corresponding to the side surfaces of the protective frames, and the fire-retarding bags are arranged on the fire-retarding frames in a plurality of and equidistant mode to form fire-retarding protection for the cable.
5. A fire wall for a power cable according to claim 4, wherein a side of the fire-retardant rack opposite to the fire-retardant bag is provided with through holes, and the through holes are arranged at equal intervals.
6. A fire wall for a power cable according to claim 1, wherein the wall body comprises a fire-proof plate layer, a fire-retardant layer and a concrete layer, the fire-retardant layers are respectively arranged on the front and rear surfaces of the concrete layer, and the fire-proof plate layer is arranged corresponding to the outer part of the fire-retardant layer.
7. A fire wall for a power cable according to claim 1, wherein a openable and closable protective door is provided in the middle of the front face of the wall body.
CN202321352440.4U 2023-05-31 2023-05-31 Firewall for power cable Active CN219690803U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321352440.4U CN219690803U (en) 2023-05-31 2023-05-31 Firewall for power cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321352440.4U CN219690803U (en) 2023-05-31 2023-05-31 Firewall for power cable

Publications (1)

Publication Number Publication Date
CN219690803U true CN219690803U (en) 2023-09-15

Family

ID=87944268

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321352440.4U Active CN219690803U (en) 2023-05-31 2023-05-31 Firewall for power cable

Country Status (1)

Country Link
CN (1) CN219690803U (en)

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