CN216487411U

CN216487411U - Explosion-proof cable for hydraulic engineering electric power

Info

Publication number: CN216487411U
Application number: CN202122804920.7U
Authority: CN
Inventors: 张文俊
Original assignee: Xinyuan Cable Co ltd
Current assignee: Xinyuan Cable Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-05-10
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses an explosion-proof cable for hydraulic engineering electric power, and relates to the technical field of hydraulic engineering. This explosion-proof cable for hydraulic engineering electric power, including the copper core, the contact of the copper core outside has first crust, the contact of the first crust outside has the constant temperature layer, the contact of the constant temperature layer outside has the second crust, the contact of the second crust outside has the flame retardant coating, the contact of the flame retardant coating outside has the third crust, the contact of the third crust outside has the resistance to compression layer, the inside gasbag that is provided with of resistance to compression layer, the contact of the resistance to compression layer outside has the extexine. This explosion-proof cable for hydraulic engineering electric power through being full of gas in with the gasbag, makes the cable make gasbag pressurized deformation when receiving external vibrations or extrusion, plays the effect of buffering to external pressure, simultaneously, because the air in the gasbag makes the gasbag play the supporting role to the epidermis, avoids inner structure to receive great destruction, effective protection device's normal use.

Description

Explosion-proof cable for hydraulic engineering electric power

Technical Field

The utility model relates to the technical field of hydraulic engineering, in particular to an explosion-proof cable for hydraulic engineering electric power.

Background

The cable is an electric energy or signal transmission device, is made by one or more mutual insulated conductors and outsourcing insulating protective layer, the wire of transmitting electric power or information from one place to another place, or by several or several groups of wires (every group is at least two) the cable of similar rope that the transposition becomes, between the wire of every group is mutual insulating, and often round a center and turn round, the whole outside is wrapped up with the high insulating overburden, the cable has interior circular telegram, the characteristics of external insulation, in hydraulic engineering construction operation process, need use explosion-proof cable.

The existing cable only has an outer skin covered by an outer layer, so that a complex construction environment can be met in the hydraulic engineering construction operation, the cable cannot be protected at each position, the cable is easily damaged after being hit by falling rocks or other heavy objects, accidents such as electric leakage and the like occur seriously, and great threat is caused to the life and property safety of constructors. In view of this, we have designed an explosion-proof cable for hydraulic engineering electric power.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an explosion-proof cable for hydraulic engineering electric power, which solves the problems mentioned in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides an explosion-proof cable is used to hydraulic engineering electric power, includes the copper core, the contact of the copper core outside has first crust, the contact of the first crust outside has the constant temperature layer, the contact of the constant temperature layer outside has the second crust, the contact of the second crust outside has the flame retardant coating, the contact of the flame retardant coating outside has the third crust, the contact of the third crust outside has the resistance to compression layer, the inside gasbag that is provided with of resistance to compression layer, the contact of the resistance to compression layer outside has the epidermis.

Preferably, the first, second and third skins are provided as a sheath of polyvinyl chloride material.

Preferably, the outer skin is a rubber skin made of chlorinated polyethylene material.

Preferably, a phenolic foam filler is arranged in the constant-temperature layer.

Preferably, a chlorinated paraffin filler is arranged inside the fireproof layer.

Preferably, the interior of the balloon is filled with air having a volume equal to the volume of the balloon.

(III) advantageous effects

The utility model provides an explosion-proof cable for hydraulic engineering electric power. The method has the following beneficial effects:

(1) this explosion-proof cable for hydraulic engineering electric power is when using, through being full of gas in with the gasbag, makes the cable when receiving external vibrations or extrusion, makes gasbag pressurized deformation, plays the effect of buffering to external pressure, simultaneously, because the air in the gasbag makes the gasbag play the supporting role to the epidermis, avoids inner structure to receive great destruction, effective protection device's normal use.

(2) This explosion-proof cable for hydraulic engineering electric power is when using, and it has chlorinated paraffin's flame retardant coating to fill through setting up, makes the cable play the effect of isolated big fire and the contact of inside thermostatic layer when meetting the conflagration, avoids inside copper core to receive the conflagration to destroy, leads to the emergence of more major accident.

(3) This explosion-proof cable for hydraulic engineering electric power when using, it has phenolic foam's steady layer to fill through setting up, makes copper core conductive efficiency keep steady, avoids the conductive efficiency of ambient temperature influence cable.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

fig. 2 is a schematic side sectional view of the present invention.

In the figure: 1. a copper core; 2. a first outer skin; 3. a constant temperature layer; 4. a second outer skin; 5. a fire barrier layer; 6. a third outer skin; 7. a pressure resistant layer; 8. an air bag; 9. an outer skin.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an explosion-proof cable for hydraulic engineering electric power, including copper core 1, realize the electrically conductive of cable through copper core 1, and copper core 1 sets up the center at the cable, the contact of 1 outside of copper core has first crust 2, the contact of 2 outsides of first crust has constant temperature layer 3, the inside phenolic foam filler that is provided with in constant temperature layer 3, the filler quality is lighter, it is respond well to keep warm, and the phenolic foam material price is lower, do benefit to the manufacturing cost who saves the cable, through setting up constant temperature layer 3, make the electrically conductive efficiency of copper core 1 keep steady, avoid the electrically conductive efficiency of ambient temperature influence cable. Constant temperature layer 3 outside contact has

second skin

4, and 4 outside contacts of second skin have flame

retardant coating

5, and 5 inside chlorinated paraffin fillers that are provided with of flame retardant coating, chlorinated paraffin have better fire resistance, and chlorinated paraffin has better insulating nature, makes the cable play the effect of isolated big fire and 3 contacts of inside constant temperature layer when meetting the conflagration, avoids inside copper core 1 to receive the conflagration destruction, leads to the emergence of more major accident.

In this embodiment, the 5 outside contacts of flame retardant coating have third crust 6, and first crust 2 sets up the sheath for polyvinyl chloride material with second crust 4 and third crust 6, and the protection internal material can not wet, leads to the cable electric leakage, takes place the accident. The contact in the 6 outside of third crust has resistance to compression layer 7, and resistance to compression layer 7 is inside to be provided with

gasbag

8, and 8 inside packings of gasbag have volume and 8 volume equivalent air, through being full of gas in with gasbag 8, make the cable when receiving external vibrations or extrusion, make 8 pressurized deformations of gasbag, play the effect of buffering to external pressure, avoid inner structure to receive great destruction, effective protection device's normal use. The outer skin 9 contacts the outer side of the anti-pressure layer 7, the outer skin 9 is arranged as a rubber skin of a chlorinated polyethylene material, the chlorinated polyethylene material has good tensile resistance, the inside of the cable is effectively protected from being corroded, and the service life of the cable is prolonged.

The working principle is as follows: when the explosion-proof cable for hydraulic engineering electric power is used, the electric conduction of the cable is realized through the copper core 1, the copper core 1 is arranged at the center of the cable, other structures have good protection effect on the copper core 1, the constant temperature layer 3 of phenolic foam filler is arranged outside the copper core 1, the quality is light, the heat preservation effect is good, the production cost of the cable is saved, meanwhile, the influence of external temperature on the electric conduction efficiency of the cable is avoided, meanwhile, the fireproof layer 5 filled with chlorinated paraffin is arranged outside the constant temperature layer 3, the effect of isolating the contact between a big fire and the internal constant temperature layer 3 when the cable meets a fire is realized, the damage of the internal copper core 1 caused by the fire is avoided, the occurrence of a larger accident is avoided, the anti-pressure layer 7 with the air bag 8 is arranged outside the fireproof layer 5, the air bag 8 is filled with air, and when the cable is vibrated or extruded by the outside, the air bag 8 is deformed under pressure, play the effect of buffering to external pressure, avoid inner structure to receive great destruction, effective protection device's normal use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. The utility model provides an explosion-proof cable for hydraulic engineering electric power, includes copper core (1), its characterized in that: copper core (1) outside contact has first crust (2), first crust (2) outside contact has constant temperature layer (3), constant temperature layer (3) outside contact has second crust (4), second crust (4) outside contact has flame retardant coating (5), flame retardant coating (5) outside contact has third crust (6), third crust (6) outside contact has crushing layer (7), crushing layer (7) inside is provided with gasbag (8), crushing layer (7) outside contact has extexine (9).

2. The explosion-proof cable for hydraulic engineering electric power of claim 1, characterized in that: the first outer skin (2), the second outer skin (4) and the third outer skin (6) are made of polyvinyl chloride materials.

3. The explosion-proof cable for hydraulic engineering electric power of claim 1, characterized in that: the outer skin (9) is a rubber skin made of chlorinated polyethylene material.

4. The explosion-proof cable for hydraulic engineering electric power of claim 1, characterized in that: and a phenolic foam filler is arranged in the constant-temperature layer (3).

5. The explosion-proof cable for hydraulic engineering electric power of claim 1, characterized in that: chlorinated paraffin fillers are arranged inside the fireproof layer (5).

6. The explosion-proof cable for hydraulic engineering electric power of claim 1, characterized in that: the air bag (8) is filled with air with the volume equal to that of the air bag (8).