CN209625902U - A kind of seabed tunnel long length electric power flat cable - Google Patents

Abstract

The utility model discloses a kind of seabed tunnel long length electric power flat cables, include cross section be rectangular rubber skeleton, two inside dovetail grooves one are had in two long sides of rubber skeleton, inside dovetail groove two is had on two broadsides, three cores one placed side by side are respectively equipped in the inside of two dovetail grooves one, it is located on the inside of the rubber skeleton and arranged side by side in the gap between two dovetail grooves one is equipped with single line core two and both threads core three, both threads core three is located at the two sides of core two, single line core four is respectively equipped with inside two dovetail grooves two.The utility model metal sheath guarantees that cable core conductor is invaded from moisture water-wet as waterproof sheath, environmental-friendly halogen-free low-smoke EVM rubber sheath anticorrosion ability is good, and environmental protection, it is free from environmental pollution, tinned copper wire adds aramid yarn braiding layer, carbon black paper insulation screen to ensure that the good insulation shielding performance of cable, ensure that the safety in use process.

Description

A kind of seabed tunnel long length electric power flat cable

Technical field

The utility model relates to field of cable technology more particularly to a kind of seabed tunnel long length electric power flat cables.

Background technique

Waterproof and dampproof anticorrosive property is a key factor of seabed tunnel cable long-term reliability operation.Seabed tunnel electricity On the one hand on the other hand cable will be wanted moistureproof and waterproof by the erosion of seawater.Existing various seabed tunnel cable, waterproof are anti- Damp performance still has certain limitation, needs to further increase.

Utility model content

The utility model aim is exactly in order to make up the defect of prior art, to provide a kind of seabed tunnel long length electric power Flat cable.

The utility model is achieved through the following technical solutions:

It is rectangular rubber skeleton that a kind of seabed tunnel long length electric power flat cable, which includes cross section, in rubber Two inside dovetail grooves one are had in two long sides of skeleton, have inside dovetail groove on two broadsides Two, three cores one placed side by side are respectively equipped in the inside of two dovetail grooves one, two swallows are located on the inside of rubber skeleton Arranged side by side in gap between stern notch one to be equipped with single line core two and both threads core three, both threads core three is located at core two Two sides are respectively equipped with single line core four inside two dovetail grooves two, are also successively coated with tin-coated copper in the outside of rubber skeleton Silk plus aramid yarn braiding layer, carbon black paper insulation screen, metal sheath and environmental-friendly halogen-free low-smoke EVM rubber sheath, institute The core one stated includes conductor one and is successively coated on the ethylene propylene diene rubber insulating layer and almag in one outside of conductor Silk woven shield, the core two includes conductor two, and it is total to be coated with cross-linked ethylene tetrafluoroethene in the outside of conductor two Polymers insulating layer will be surrounded by the outside oval rubber skeleton after three two bundle strands of conductor, and the core three includes conductor Three and it is successively coated on the polyolefin insulation layer and Tarpauling wrapping layer in the outside of conductor three, the core four includes to lead Body four is successively coated with fluoroplastic insulation layer in the outside of conductor four and glass fiber tape adds Ceramic silicon rubber band wrapping layer, The fiber band wrapping layer for being coated with semiconductive colloid will be coated on the outside after three four bundle strands of conductor.

EVM rubber bar is respectively equipped between both threads core three and two dovetail groove two.

Conductor one, conductor two, conductor three and the conductor four is that ultra-fine copper wire is twisted flexible conductor.

The utility model has the advantages that: the utility model has used rectangular rubber skeleton, and three kinds of core difference are neat The dovetail groove being arranged on the inside of skeleton and side in, have good resistance to compression, resistant to bending, bending radius is small, Electro Magnetic Compatibility, The characteristics such as wiring space is small, are also successively coated with tinned copper wire in the outside of rubber skeleton and add aramid yarn braiding layer, carbon black paper exhausted Edge shielded layer, metal sheath and environmental-friendly halogen-free low-smoke EVM rubber sheath, metal sheath are protected as waterproof sheath Cable core conductor to be demonstrate,proved to invade from moisture water-wet, environmental-friendly halogen-free low-smoke EVM rubber sheath anticorrosion ability is good, and environmental protection, Free from environmental pollution, tinned copper wire adds aramid yarn braiding layer, carbon black paper insulation screen to ensure that the good insulation shielding of cable Performance ensure that the safety in use process.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Specific embodiment

It include cross section is rectangular rubber bone as shown in Figure 1, a kind of seabed tunnel long length electric power flat cable Frame 1 has two inside dovetail grooves 1 in two long sides of rubber skeleton 1, had on two broadsides to Interior dovetail groove 23 is respectively equipped with three cores one placed side by side in the inside of two dovetail grooves 1, in rubber skeleton 1 Side be located at it is arranged side by side in the gap between two dovetail grooves 1 be equipped with single line core two and both threads core three, both threads core three divides Not Wei Yu core two two sides, be respectively equipped with single line core four inside two dovetail grooves two, the outside of rubber skeleton 1 also according to It is secondary be coated with tinned copper wire add aramid yarn braiding layer 4, carbon black paper insulation screen 5, metal sheath 6 cigarette low with environment-friendly type without Halogen EVM rubber sheath 7, the core one include conductor 1 and are successively coated on the EPDM in one 8 outside of conductor Rubber insulation 9 and aluminum-magnesium alloy wire woven shield 10, the core two include conductor 2 11, in the outer of conductor 2 11 Side is coated with cross-linked ethylene TFE copolymer insulating layer 12, will be surrounded by the outside oval rubber after three two bundle strands of conductor Skeleton 13, the core three include conductor 3 14 and are successively coated on 15 He of polyolefin insulation layer in 3 14 outside of conductor Tarpauling wrapping layer 16, the core four include conductor 4 17, are successively coated with fluoroplastics in the outside of conductor 4 17 Insulating layer 18 and glass fiber tape add Ceramic silicon rubber band wrapping layer 19, will be coated on the outside painting after three four bundle strands of conductor There is the fiber band wrapping layer 20 of semiconductive colloid.

EVM rubber bar 21 is respectively equipped between both threads core three and two dovetail groove 22.

Conductor 1, conductor 2 11, conductor 3 14 and the conductor 17 4 is that ultra-fine copper wire is twisted flexible conductor.

Claims (3)

1. a kind of seabed tunnel long length electric power flat cable, it is characterised in that: include cross section be rectangular rubber bone Frame has two inside dovetail grooves one in two long sides of rubber skeleton, has on two broadsides inwardly Dovetail groove two, be respectively equipped with three cores one placed side by side, the position on the inside of rubber skeleton in the inside of two dovetail grooves one Arranged side by side in gap between two dovetail grooves one to be equipped with single line core two and both threads core three, both threads core three is located at The two sides of core two are respectively equipped with single line core four inside two dovetail grooves two, also successively coat in the outside of rubber skeleton There is tinned copper wire to add aramid yarn braiding layer, carbon black paper insulation screen, metal sheath and environmental-friendly halogen-free low-smoke EVM rubber Plastic boot, the core one include conductor one and be successively coated on the outside of conductor one ethylene propylene diene rubber insulating layer and Aluminum-magnesium alloy wire woven shield, the core two include conductor two, are coated with cross-linked ethylene four in the outside of conductor two Fluoride copolymers insulating layer will be surrounded by the outside oval rubber skeleton, the core three guarantees after three two bundle strands of conductor It includes conductor three and is successively coated on the polyolefin insulation layer and Tarpauling wrapping layer in three outside of conductor, the core four Include conductor four, is successively coated with fluoroplastic insulation layer in the outside of conductor four and glass fiber tape adds Ceramic silicon rubber band Wrapping layer will be coated on the outside the fiber band wrapping layer for being coated with semiconductive colloid after three four bundle strands of conductor.

2. a kind of seabed tunnel according to claim 1 long length electric power flat cable, it is characterised in that: described two EVM rubber bar is respectively equipped between root core three and two dovetail groove two.

3. a kind of seabed tunnel according to claim 1 long length electric power flat cable, it is characterised in that: the conductor One, conductor two, conductor three and conductor four are that ultra-fine copper wire is twisted flexible conductor.