CN109193517B - Cable wiring protection device for power engineering and use method - Google Patents

Cable wiring protection device for power engineering and use method Download PDF

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Publication number
CN109193517B
CN109193517B CN201811308391.8A CN201811308391A CN109193517B CN 109193517 B CN109193517 B CN 109193517B CN 201811308391 A CN201811308391 A CN 201811308391A CN 109193517 B CN109193517 B CN 109193517B
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CN
China
Prior art keywords
mounting plate
cable
box body
mounting
length
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CN201811308391.8A
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Chinese (zh)
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CN109193517A (en
Inventor
粟娟
胡敏
郑永伟
程永红
李晓燕
朱洪元
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State Grid Sichuan Electric Power Co Neijiang Power Supply Co
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State Grid Sichuan Electric Power Co Neijiang Power Supply Co
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Application filed by State Grid Sichuan Electric Power Co Neijiang Power Supply Co filed Critical State Grid Sichuan Electric Power Co Neijiang Power Supply Co
Priority to CN201811308391.8A priority Critical patent/CN109193517B/en
Publication of CN109193517A publication Critical patent/CN109193517A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/08Distribution boxes; Connection or junction boxes
    • H02G3/16Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/06Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
    • H02G1/08Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/08Distribution boxes; Connection or junction boxes
    • H02G3/088Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00Installations of electric cables or lines in or on the ground or water
    • H02G9/08Installations of electric cables or lines in or on the ground or water in tunnels

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

The invention discloses a cable wiring protection device for power engineering and a use method thereof, and solves the problems that the existing cable protection device for a water vapor accumulation place is low in mounting and dismounting efficiency, not beneficial to cable maintenance, insufficient in cable protection and easy for water vapor to enter and shorten the service life of a cable. The cable box comprises a plurality of mounting plates and a plurality of box bodies, wherein the mounting plates comprise a mounting plate A and a mounting plate B which can be spliced with each other, the box bodies are connected with the mounting plate A and the mounting plate B in a sliding mode, a plurality of mounting holes are formed in two sides of the mounting plates, and a plurality of cable threading holes are formed in the box bodies along the direction of sliding connection. The invention has the advantages of good waterproofness, convenient installation and maintenance of the cable and the like.

Description

Cable wiring protection device for power engineering and use method
Technical Field
The invention relates to the technical field of power engineering, in particular to a cable wiring protection device for power engineering.
Background
The power cable is used for transmission and distribution, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater, and is often distributed in various places including tunnels and bridges for transmitting electric energy to various places.
The tunnel or the bridge is in a low environment different from a conventional environment, on one hand, rainwater, dew and the like are easy to gather, on the other hand, due to the limited space, the air flow circulation is poor, namely, water vapor is difficult to evaporate and dry, so that the cable is in a humid environment for a long time, and if an insulating material of the cable is damaged, short circuit is easy to generate, and potential safety hazards are caused; moreover, in winter with extremely low temperature, especially in winter in the north, the cable can be frozen in the humid and shady and cold environment certainly, the dead weight of the cable is increased, great pressure is generated on a bearing body, once the cable collapses, the cable damages vehicles and the like, and in addition, the insulating outer layer of the cable is easy to harden in the state of freezing in the shady and cold environment for a long time, and the service life of the cable can be reduced to a certain extent.
In order to solve the problems, the cable is installed by designing a spliced installation box in the prior art, so that the cable is separated from the surrounding environment, but the installation box has the risk of water vapor leakage at the spliced part, and when the cable breaks down and carries out troubleshooting, the whole installation box is required to be disassembled to be inspected one by one, after the inspection is finished, the whole installation box is required to be fixed again, the operation is very troublesome, time and labor are wasted, therefore, the defects of the prior art are necessary to be overcome, and the cable wiring protection device which can better carry out the isolation protection of the water vapor and can carry out quick troubleshooting on the cable is designed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the cable protector installation dismantlement inefficiency in current steam gathering place, is unfavorable for the cable to overhaul, and is not enough to the protection of cable, lets steam get into the life-span that shortens the cable easily.
The invention provides a cable wiring protection device for power engineering, which solves the problems.
The invention is realized by the following technical scheme:
the utility model provides a cable wiring protector for power engineering, includes a plurality of mounting panels and a plurality of box bodies, the mounting panel includes mounting panel A and the mounting panel B that can splice each other, the box body with mounting panel A and mounting panel B sliding connection, the both sides of mounting panel set up a plurality of mounting holes, the box body sets up a plurality of cable through wires holes along sliding connection's direction.
The design principle of the invention is as follows: connect the mounting panel of concatenation earlier in the top inboard of tunnel or bridge, penetrate the cable through wires hole in the box body to in proper order with box body and mounting panel sliding connection, the cable is kept apart through mounting panel and box body with the top inboard in bridge or tunnel like this, make the cable with steam or water droplet are kept apart, thereby play the guard action to the cable, when the cable in the box body is overhauld to needs like this, only need slide the box body along the concatenation direction of mounting panel, alright show with the cable in this box body, investigate whether it has the problem, slide the box body in proper order, alright realize examining the condition of cable one by one.
According to the cable wiring protection device for the power engineering, the length of the mounting plate B is preferably twice that of the box body, the length of the mounting plate A is more than or equal to 2.5 times that of the box body, when the box body is mounted on the mounting plate B, the center line of the box body mounted on the mounting plate B is always overlapped with the center line of the mounting plate B, half of the length of the other box body is located on the mounting plate B, and the other half of the length of the other box body is located on the adjacent mounting plate B, so that splicing seams between the adjacent box bodies and splicing seams between the adjacent mounting plates are mutually staggered, and water drops under a bridge or a tunnel cannot penetrate into a cable.
According to the cable wiring protection device for the power engineering, the mounting plate is preferably provided with the through T-shaped groove along the length direction, the bottom of the box body is provided with the T-shaped sliding table matched with the T-shaped groove, the sliding groove and the sliding table are conveniently connected in a structure, the cable is arranged in the box body, and the sliding connection position of the box body and the mounting plate needs to bear the weight of the box body and the cable, so that certain requirements are met on the weighing capacity of the box body, the T-shaped sliding groove and the T-shaped sliding table are buckled in a staggered mode, and the structure is stable.
According to the cable wiring protection device for the power engineering, two T-shaped grooves are preferably arranged and distributed on two sides of the center line of the mounting plate along the length direction, two corresponding T-shaped sliding tables are arranged at the bottom of the box body, the two T-shaped sliding tables which are parallel to each other are designed, so that the gravity center of the box body bearing the cable and the mounting plate is not deviated, and the structure is more stable.
According to the invention, alignment mark lines are arranged on the mounting plate and the box body of the preferred cable wiring protection device for the power engineering, so that the mounting positions of the box body and the mounting plate are aligned conveniently, splicing seams among all the box bodies and splicing seams among the mounting plates are fully ensured to be staggered, and water vapor is prevented from entering.
According to the cable wiring protection device for the power engineering, through holes are formed in the tail end portions of the mounting plate A and the mounting plate B, and the inserting rod matched with the through holes is arranged at the head end portion of the mounting plate B, so that the mounting plates can be spliced conveniently and positioned quickly.
According to the cable wiring protection device for the power engineering, convex edges extending along the direction of the box body are arranged on the two side edges of the mounting plate, and water drops falling from the top of a bridge or the top of a tunnel are guided by the convex edges, so that the water drops cannot flow to the box body below along the edges of the mounting plate.
The invention preferably discloses a cable wiring protection device for an electric power engineering, and further comprises a mounting plate C, wherein the mounting plate C is connected to the tail end of the protection device, the length of the mounting plate C is more than or equal to 1.5 times of the length of the box body A, a blank section can be arranged at the head end and the tail end of the mounting plate after the mounting plate C is mounted, the box body can slide to the blank section, when a tunnel or a bridge is longer, the sliding distance is too long when the tunnel or the bridge slides into the box body from one end, the mounting efficiency is reduced, the cable is mounted more quickly by adopting the mode that the two sides slide into the box body simultaneously, and a cable is supported by a larger span after the two ends slide into the box body, so that the load of a cable carried by a.
Further, the material used for the mounting plate is a flame retardant material.
Further, the material used for the cable mounting plate is an insulating material.
A method of installing a cable splice protector, comprising the steps of:
the method comprises the following steps: determining a required mounting plate A and a required mounting plate B according to the length of a cable to be laid on the inner side of the top of a tunnel or a bridge;
step two: sequentially connecting a mounting plate A and a plurality of mounting plates B on the inner side of the top of the tunnel or the bridge to form a mounting plate;
step three: sequentially penetrating the cables through the plurality of box bodies according to the length of the cables on the inner side of the top of the tunnel or the bridge;
step four: the box bodies are sequentially slid into the protective device from one end of the mounting plate A to form the whole cable.
After the box body slides into the mounting plate, the position of the box body is adjusted, so that a splicing seam of the mounting plate is superposed with the central line of the box body in the width direction.
The mounting plate is connected with the top of the tunnel or the bridge in a bolt connection mode, and the bolt penetrates through the through hole of the mounting plate, is screwed into the top of the tunnel or the bridge and is fixed by the nut.
The invention has the following beneficial effects:
1. the invention arranges the spliced mounting plate and connects the box body penetrated with the cable on the mounting plate in a sliding way,
isolating the cable from the water droplets.
2. When the cable box is installed, the splicing seams between the box bodies and the splicing seams of the installation plates are staggered, so that water drops are difficult to reach the cable in the box bodies.
3. The invention adopts the bidirectional T-shaped groove, can ensure that the center of gravity of the cable of the box body does not shift, and has stable structure.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural view of the mounting plate of the present invention before splicing.
FIG. 2 is a schematic view of the mounting plate connection structure of the present invention.
Fig. 3 is a schematic diagram of the box structure of the present invention.
FIG. 4 is a schematic view of the connection structure between the case and the mounting plate according to the present invention.
Fig. 5 is a schematic structural diagram of the cable maintenance device.
Reference numbers and corresponding part names in the drawings:
the cable fixing device comprises a 1-mounting plate A, a 2-mounting plate B, a 3-mounting plate C, a 4-box body, a 40-cable threading hole, a 41-T-shaped sliding table, a 5-mounting hole, a 6-T-shaped groove, a 7-alignment marking line, an 8-through hole and a 9-inserted rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1-5, a cable wiring protection device for power engineering, includes a plurality of cuboid-shaped mounting plates and a plurality of cuboid-shaped box bodies 4, the mounting plates include mounting plate a1 and mounting plate B2 that can splice each other, box bodies 4 respectively with mounting plate a1 and mounting plate B2 sliding connection, the both sides of mounting plate set up a plurality of mounting holes 5, box bodies 4 set up a plurality of cable through wires hole 40 along sliding connection's direction.
The length of mounting panel B2 does the twice of box body 4 length, mounting panel A1's length equals 2.5 times of box body 4 length, when the installation, when box body 4 was installed on mounting panel B2, make the central line of installing box body 4 on mounting panel B2 and mounting panel B2's central line coincidence all the time, half length of another box body 4 is located this mounting panel B2, the other half length of another box body 4 is located adjacent mounting panel B2, can guarantee like this that the splice seam between the adjacent box body 4 and the splice seam between the adjacent mounting panel stagger each other, guarantee that the water droplet under bridge or the tunnel can not permeate into cable department.
The working mode of the invention is as follows: connect the mounting panel of concatenation earlier in the top inboard of tunnel or bridge, penetrate the cable through wires hole 40 in box body 4 to in proper order with box body 4 and mounting panel sliding connection, the cable is kept apart through mounting panel and box body 4 with the top inboard in bridge or tunnel like this, make the cable with steam or water droplet are kept apart, thereby play the guard action to the cable, when the cable of box body 4 is overhauld to needs like this, only need slide box body 4 along the concatenation direction of mounting panel, alright show the cable in this box body 4, investigate whether it has the problem, slide box body 4 in proper order, alright realize the condition of examining the cable one by one.
The mounting panel sets up the T-shaped groove 6 that link up along length direction, the bottom of box body 4 set up with the T-shaped slip table 41 that the T-shaped groove 6 matches, spout slip table structural connection get up very conveniently, and install the cable in the box body 4, box body 4 with the sliding connection department of mounting panel need bear the weight of box body 4 and cable, consequently, has certain requirement to its weighing capacity, and T-shaped spout and T-shaped slip table 41 have crisscross lock joint each other, and the structure is firm.
T-shaped groove 6 is two, distribute in the both sides of mounting panel along length direction's central line, the bottom of box body 4 sets up two T shape slip tables 41 that correspond, two T shape slip tables 41 designs to be parallel to each other can make the box body 4 that bears the weight of the cable with the mounting panel focus does not squint, and the structure is more firm.
The alignment mark lines 7 are arranged on the mounting plate and the box body 4, so that the box body 4 is aligned with the mounting position of the mounting plate, splicing seams between all the box bodies 4 can be fully guaranteed to be staggered with the splicing seams between the mounting plates, and water vapor is prevented from entering the box.
The tail end of mounting panel A1 and mounting panel B2 all sets up through-hole 8, the inserted bar 9 that the head end setting of mounting panel B2 matches with through-hole 8, the concatenation between the mounting panel of being convenient for like this makes it fix a position fast.
The both sides border of mounting panel sets up the edge the chimb that 4 directions of box body extended, the chimb carries out the drainage to the water droplet that falls from bridge crown or tunnel top, makes it can not flow to box body 4 below along the border of mounting panel.
The rim is not shown in the drawings.
The cable wiring protection device also comprises a mounting plate C3, wherein the mounting plate C3 is connected to the tail end of the protection device, the length of the mounting plate C3 is equal to 1.5 times of the length of the box body 4A, a blank section is arranged at the head end and the tail end of the mounting plate after the mounting plate C is mounted, the box body 4 can slide to the blank section, when a tunnel or a bridge is long, the sliding distance into the box body 4 from one end is too long, the mounting efficiency is reduced, the two sides are adopted to slide simultaneously, the mounting is quicker, and the cable can be supported by a larger span after the two ends slide in, so that the load of a mounting worker on a cable is reduced, and the strength is saved.
Specifically, the length and the width of the box body 4 are both 30cm and 5cm in height, the thickness of the mounting plate is 8-10cm and the width is 38cm, the length of the mounting plate A1 is 75cm, the length of the mounting plate B2 is 60cm, and the length of the mounting plate C3 is 45 cm.
The diameter of the cable threading hole 40 is larger than the outer diameter of the cable.
Set up the cable in the box body 4 and hold the pipe for the cable can conveniently pass, and the inside other positions of box body 4 are the cavity structure, and the cavity structure is favorable to reducing the weight of whole box body 4.
The mounting plate is made of flame-retardant materials.
The cable mounting plate is made of an insulating material.
The flame-retardant and insulating material is flame-retardant polyvinyl chloride.
Example 2
A method of installing a cable splice protector, comprising the steps of:
the method comprises the following steps: determining a required mounting plate A1 and a required mounting plate B2 according to the length of a cable to be laid on the inner side of the top of the tunnel or the bridge;
step two: sequentially connecting a mounting plate A1 and a plurality of mounting plates B2 on the inner side of the top of the tunnel or the bridge to form a mounting plate;
step three: the cables sequentially penetrate through the plurality of box bodies 4 according to the length of the cables on the inner side of the top of the tunnel or the bridge;
step four: the box 4 is slid in turn from one end of the mounting plate a1 into the guard forming the entire cable.
In the first step, the mounting sequence of the mounting plates is sequentially mounting plate A1, mounting plate B2 and mounting plate C3, wherein the mounting plate A1 and the mounting plate C3 are both one and are respectively located at the head end and the tail end of the mounting plate, and the number of the mounting plates B2 is determined according to the length of the cables to be mounted.
After the box body 4 slides into the mounting plate, the position of the box body 4 is adjusted, so that the splicing seam of the mounting plate is superposed with the central line of the box body 4 in the width direction.
The mounting plate is connected with the top of the tunnel or the bridge in a bolt mode, and the bolt penetrates through the through hole 8 of the mounting plate, is screwed into the top of the tunnel or the bridge and is fixed by a nut.
Example 3
A use method of a cable wiring protection device for an electric power engineering in an overhauling process comprises the following steps: sliding the adjacent boxes 4 towards the two blank sections of mounting plate a1 and mounting plate C3 respectively so that the cable portions located in the boxes 4 are displayed; if this section cable has a problem, maintain, if there is not a problem, then continue to slide next box body 4 for next section cable shows, overhauls again, so relapse, can very conveniently carry out the maintenance of the cable under tunnel or the bridge.
The terms of the head end, the tail end, the head end and the tail end, the two sides, the length, the width, the height and the like of the invention are subject to the orientation of the attached drawings.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (8)

1. A cable wiring protection device for electric power engineering is characterized by comprising a plurality of mounting plates and a plurality of box bodies (4), the mounting plate comprises a mounting plate A (1) and a mounting plate B (2) which can be spliced with each other, the box body (4) is connected with the mounting plate A (1) and the mounting plate B (2) in a sliding way, a plurality of mounting holes (5) are arranged on two sides of the mounting plate, a plurality of cable threading holes (40) are arranged on the box body (4) along the sliding connection direction, the length of the mounting plate B (2) is twice of that of the box body (4), the length of the mounting plate A (1) is more than or equal to 2.5 times of the length of the box body (4), the mounting plate and the box body (4) are provided with alignment mark lines (7), when in mounting, the alignment mark lines (7) are aligned with each other, so that the splicing seams between all the box bodies (4) and the splicing seams between all the mounting plates can be staggered with each other.
2. The electric power engineering cable wiring protection device according to claim 1, characterized in that the mounting plate is provided with a through T-shaped groove (6) along the length direction, and the bottom of the box body (4) is provided with a T-shaped sliding table (41) matched with the T-shaped groove (6).
3. The cable wiring protection device for the power engineering according to claim 2, wherein the number of the T-shaped grooves (6) is two, the T-shaped grooves are distributed on two sides of a central line of the mounting plate along the length direction, and the bottom of the box body (4) is provided with two corresponding T-shaped sliding tables (41).
4. A cable protector for power engineering according to any of claims 1-3, characterized in that the tail end of the mounting plate a (1) and the tail end of the mounting plate B (2) are provided with through holes (8), and the head end of the mounting plate B (2) is provided with insertion rods (9) matching with the through holes (8).
5. A cable protector according to any one of claims 1-3, characterized in that the mounting plate is provided with flanges at its two side edges extending in the direction of the box (4).
6. A power engineering cable junction protector according to any one of claims 1-3, further comprising a mounting plate C (3), said mounting plate C (3) being attached to the tail end of the protector, the length of said mounting plate C (3) being equal to or greater than 1.5 times the length of said box (4) a.
7. A method of using a cable splice protector, characterised by installing a cable splice protector according to any one of claims 1 to 3 for use in power engineering, comprising the steps of:
the method comprises the following steps: determining a required mounting plate A (1) and a required mounting plate B (2) according to the length of a cable to be laid on the inner side of the top of a tunnel or a bridge;
step two: the mounting plate A (1) and the mounting plates B (2) are sequentially connected to the inner side of the top of the tunnel or the bridge to form a mounting plate;
step three: the cables sequentially penetrate through the plurality of box bodies (4) according to the length of the cables on the inner side of the top of the tunnel or the bridge;
step four: and sequentially sliding the box bodies (4) from one end of the mounting plate A (1) to form the protection device of the whole cable.
8. The use method of the cable wiring protection device according to claim 7, characterized in that after the box body (4) is slid into the mounting plate, the position of the box body (4) is adjusted so that the splicing seam of the mounting plate coincides with the center line of the box body (4) in the width direction.
CN201811308391.8A 2018-11-05 2018-11-05 Cable wiring protection device for power engineering and use method Active CN109193517B (en)

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Application Number Priority Date Filing Date Title
CN201811308391.8A CN109193517B (en) 2018-11-05 2018-11-05 Cable wiring protection device for power engineering and use method

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Application Number Priority Date Filing Date Title
CN201811308391.8A CN109193517B (en) 2018-11-05 2018-11-05 Cable wiring protection device for power engineering and use method

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CN109193517A CN109193517A (en) 2019-01-11
CN109193517B true CN109193517B (en) 2020-05-05

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111585214B (en) * 2020-04-03 2022-04-01 国网浙江省电力有限公司湖州供电公司 Prefabricated assembled cable laying structure of cable trench facility

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Publication number Priority date Publication date Assignee Title
CN1061305A (en) * 1990-11-06 1992-05-20 尤大千 Sealed insulating plug-in wire way wiring device
CN102140834A (en) * 2011-01-16 2011-08-03 葛跃进 Power supply keel for nailless clamped electric heating floor system
CN202042822U (en) * 2011-04-21 2011-11-16 上海市电力公司 Pavement transition cable protection device
CN103151738A (en) * 2013-03-27 2013-06-12 南京科羿康光电设备有限公司 Cable wiring node
CN103151737A (en) * 2013-02-01 2013-06-12 南通大通电器有限公司 Square tube sealing connector
JP2017127067A (en) * 2016-01-12 2017-07-20 株式会社イトーヨーギョー Wire common trench, and housing box for use therein
CN108565814A (en) * 2018-05-10 2018-09-21 三峡大学 Device for cable penetration road
CN108649516A (en) * 2018-04-19 2018-10-12 江苏容源电力设备有限公司 A kind of power ampere installing for cable installation is standby
CN207994537U (en) * 2018-03-26 2018-10-19 青建国际集团有限公司 A kind of electrical box for building

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1061305A (en) * 1990-11-06 1992-05-20 尤大千 Sealed insulating plug-in wire way wiring device
CN102140834A (en) * 2011-01-16 2011-08-03 葛跃进 Power supply keel for nailless clamped electric heating floor system
CN202042822U (en) * 2011-04-21 2011-11-16 上海市电力公司 Pavement transition cable protection device
CN103151737A (en) * 2013-02-01 2013-06-12 南通大通电器有限公司 Square tube sealing connector
CN103151738A (en) * 2013-03-27 2013-06-12 南京科羿康光电设备有限公司 Cable wiring node
JP2017127067A (en) * 2016-01-12 2017-07-20 株式会社イトーヨーギョー Wire common trench, and housing box for use therein
CN207994537U (en) * 2018-03-26 2018-10-19 青建国际集团有限公司 A kind of electrical box for building
CN108649516A (en) * 2018-04-19 2018-10-12 江苏容源电力设备有限公司 A kind of power ampere installing for cable installation is standby
CN108565814A (en) * 2018-05-10 2018-09-21 三峡大学 Device for cable penetration road

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