CN210349401U - Low-loss reinforced waterproof overhead insulated cable - Google Patents

Abstract

The utility model discloses a low-loss reinforced waterproof aerial insulated cable, including the cable core, the outside of cable core is fixed with the insulating layer, the outside of insulating layer is provided with the second waterproof layer, the outside of second waterproof layer is provided with the weaving layer, it has the foam layer to fill between weaving layer and the second waterproof layer, the outside of weaving layer is fixed and has the buffer layer; through being provided with the buffer layer, a piece, foam blanket and reinforcing rope, be convenient for cushion the impact force in cable and outside, improve the intensity of cable simultaneously, avoid the collision to produce vibrations and cause the influence to the cable core with the connection effect in the outside, through being provided with second waterproof layer and first waterproof layer, be convenient for improve the water-proof effects of cable, it is inboard to avoid the rainwater to get into the cable, through being provided with glass fiber and metallic shield silk, avoid making somebody's air back high temperature to cause the damage to the cable, and the signal of telecommunication between the cable is disturbed each other.

Description

Low-loss reinforced waterproof overhead insulated cable

Technical Field

The utility model belongs to the technical field of the aerial [ insulated ] cable, concretely relates to low-loss waterproof aerial [ insulated ] cable of strenghthened type.

Background

The overhead insulated cable is an overhead conductor provided with an insulating layer and a protective sheath, is a special cable manufactured by a production process similar to a crosslinked cable, is a new power transmission mode between the overhead conductor and an underground cable, is mainly used for high-voltage power transmission, and is low in electric energy loss, convenient to install and convenient to maintain. Present low-loss aerial insulated cable is when using and transporting, the cable can be inboard transmission to the cable with the collision vibrations in the outside, cause the influence to cable core and outside casing linkage effect, be not convenient for cushion vibrations, the cable is after long-time the use simultaneously, the individual layer water-proof effects is not good, the cable is high temperature resistant effect poor, be not convenient for shield the signal of telecommunication in the outside, the cable surface does not set up the reference thing in addition, the length to the cable is not convenient for judge when leading to the shearing, easily need other measuring tool, cause the installation inconvenience, for this reason we propose a low-loss strenghthened type waterproof aerial insulated cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low-loss waterproof aerial insulated cable of strenghthened type, in order to solve and to propose current low-loss aerial insulated cable when using and transporting in the above-mentioned background art, the cable can transmit to the cable inboard with the collision vibrations in the outside, cause the influence with outside casing connection effect cable core, be not convenient for cushion vibrations, the cable is after long-time the use simultaneously, the individual layer water-proof effects is not good, the cable is high temperature resistant effect poor, be not convenient for shield the signal of telecommunication in the outside, the cable surface does not set up the reference thing in addition, be not convenient for judge the length of cable when leading to cuting, easily need other measuring tool, cause the inconvenient problem of installation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low-loss waterproof aerial insulated cable of strenghthened type, includes the cable core, the outside of cable core is fixed with the insulating layer, the outside of insulating layer is provided with the second waterproof layer, the outside of second waterproof layer is provided with the weaving layer, it has the foam blanket to fill between weaving layer and the second waterproof layer, the outside of weaving layer is fixed and has the buffer layer, the outside of buffer layer is provided with first waterproof layer, the outside of first waterproof layer is fixed with the cable jacket through separating the sticky glutinous of temperature.

Preferably, the buffer layer is octagonal, and a buffer cavity is arranged on the inner side of the buffer layer.

Preferably, the thickness of the buffer layer is 0.5 mm-1.2 mm, a support block is fixed on the inner side of the buffer cavity, and the support block is of an arc-shaped structure.

Preferably, the inner side of the foam layer is provided with four groups of reinforcing ropes, the four groups of reinforcing ropes are uniformly distributed around the foam layer, and each group of reinforcing ropes is formed by mutually twisting two nylon ropes.

Preferably, the thickness of the first waterproof layer is 0.2 mm-0.6 mm, and the outer surface of the first waterproof layer is fixedly adhered with fluorescent powder through glue.

Preferably, the woven layer comprises glass fibers and metal shielding wires, and the glass fibers and the metal shielding wires are interwoven with each other.

Preferably, the outer surface of the cable jacket is provided with grooves at equal intervals, and the inner sides of the grooves are coated with colorful paint.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through being provided with the buffer layer, a piece, foam blanket and reinforcing rope, be convenient for cushion the impact of cable and outside, improve the intensity of cable simultaneously, avoid the collision to produce vibrations and cause the influence to the cable core with the connection effect in the outside, through being provided with second waterproof layer and first waterproof layer, be convenient for improve the water-proof effects of cable, it is inboard to avoid the rainwater to get into the cable, be convenient for simultaneously through the phosphor powder on first waterproof layer surface, take place damaged back at the cable overcoat, be convenient for carry out fine location to damaged position, the convenience of maintenance has been improved.

(2) Through being provided with glass fiber and metallic shield silk, be convenient for further improve the high temperature resistant of cable and shield the signal in the outside, avoid making somebody's air the back high temperature and cause the damage to the cable, and the signal of telecommunication between the cable is disturbed each other, through being provided with recess and colorful coating, be convenient for when cuting the cable, the length of judgement cable that can be fine, the cable length of treating the shearing that can not be fine when avoiding the installation judges.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the structure of the woven layer of the present invention;

FIG. 3 is a schematic view of the groove structure of the present invention;

in the figure: 1. a cable core; 2. an insulating layer; 3. a second waterproof layer; 4. a reinforcing cord; 5. a foam layer; 6. Weaving layer; 7. a buffer layer; 8. supporting a block; 9. a first waterproof layer; 10. a cable jacket; 11. glass fibers; 12. a metal shielding wire; 13. a groove; 14. a multicolor paint.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a low-loss waterproof aerial insulated cable of strenghthened type, including cable core 1, the outside of cable core 1 is fixed with insulating layer 2, the outside of insulating layer 2 is provided with second waterproof layer 3, it is waterproof to be convenient for, the outside of second waterproof layer 3 is provided with weaving layer 6, it has foam blanket 5 to fill between weaving layer 6 and the second waterproof layer 3, be convenient for cushion the impact in the outside, the outside of weaving layer 6 is fixed and to have buffer layer 7, the better cushioning effect of being convenient for, the outside of buffer layer 7 is provided with first waterproof layer 9, the better water-proof effects of being convenient for, the outside of first waterproof layer 9 is fixed with cable jacket 10 through separating temperature sticky.

In this embodiment, preferably, the buffer layer 7 is octagonal, and the buffer cavity is arranged inside the buffer layer 7, so as to facilitate a better buffer effect.

In this embodiment, preferably, the thickness of the buffer layer 7 is 0.5 mm to 1.2 mm, the inner side of the buffer cavity is fixed with the support block 8, so as to support the buffer cavity and place the buffer cavity to generate too large deformation, and the support block 8 is of an arc-shaped structure.

In this embodiment, preferably, the reinforcing ropes 4 are arranged on the inner side of the foam layer 5, four groups of reinforcing ropes 4 are arranged, the four groups of reinforcing ropes 4 are uniformly distributed around the foam layer 5, so that a better strength effect is facilitated, and each group of reinforcing ropes 4 is formed by mutually twisting two nylon ropes.

In this embodiment, preferably, the thickness of the first waterproof layer 9 is 0.2 mm to 0.6 mm, and the outer surface of the first waterproof layer 9 is adhered and fixed with fluorescent powder by glue, so that it is convenient to find a damaged position after the cable jacket 10 is damaged.

In this embodiment, preferably, the braid 6 includes glass fibers 11 and metal shielding wires 12, and the glass fibers 11 and the metal shielding wires 12 are interwoven, so as to facilitate better high temperature resistance and shielding effect.

In this embodiment, preferably, the outer surface of the cable jacket 10 is equidistantly provided with grooves 13, and the inner sides of the grooves 13 are coated with the colorful coating 14, so that the length of the cable to be cut can be conveniently judged.

The utility model discloses a theory of operation and use flow: the second waterproof layer 3 and the first waterproof layer 9 are both formed by compounding polyester fibers and high water absorption powder, have the function of water absorption expansion, are convenient for the end part of the cable to expand after meeting water, further seal the gap of the end part, and are convenient for water prevention, the insulating layer 2 is made of insulating rubber, when in use, rainwater can be prevented from entering the inner side of the insulating layer 2 through the second waterproof layer 3 and the first waterproof layer 9 well, the cable core 1 is damaged, meanwhile, when the cable jacket 10 is damaged, the damaged position of the cable jacket 10 can be conveniently and well found through the fluorescent powder on the outer surface of the first waterproof layer 9, the maintenance is convenient, the metal shielding wires 12 have good high temperature resistance effect, the braided layer 6 is formed by weaving the glass fibers 11 and the metal shielding wires 12, the high temperature resistance and the strength of the cable can be conveniently improved, and the buffer layer 7 and the foam layer 5, when being convenient for strong wind rocks the cable, the impact to the outside is cushioned, avoid causing the damage to cable core 1, prolong cable core 1's life, simultaneously through four group's strengthening rope 4, be convenient for further improve cable intensity, improve the result of use of built on stilts back cable, in the installation, through the recess 13 of seting up along cable overcoat 10 surperficial equidistance, and the inboard colorful coating 14 of recess 13, be convenient for when tailorring cable overcoat 10, the required length of tailorring cable overcoat 10 of judgement that can be fine, simultaneously through recess 13, be convenient for avoid the wearing and tearing in colorful coating 14 and the outside, cause its itself easily to break away from cable overcoat 10 surface.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a waterproof aerial insulated cable of strenghthened type of low loss, includes cable core (1), its characterized in that: the outside of cable core (1) is fixed with insulating layer (2), the outside of insulating layer (2) is provided with second waterproof layer (3), the outside of second waterproof layer (3) is provided with weaving layer (6), it has foam layer (5) to fill between weaving layer (6) and second waterproof layer (3), the outside of weaving layer (6) is fixed has buffer layer (7), the outside of buffer layer (7) is provided with first waterproof layer (9), the outside of first waterproof layer (9) is fixed with cable jacket (10) through separating temperature sticky.

2. The low-loss reinforced waterproof overhead insulated cable of claim 1, characterized in that: the buffer layer (7) is octagonal, and a buffer cavity is arranged on the inner side of the buffer layer (7).

3. The low-loss reinforced waterproof overhead insulated cable of claim 2, characterized in that: the thickness of the buffer layer (7) is 0.5-1.2 mm, a support block (8) is fixed on the inner side of the buffer cavity, and the support block (8) is of an arc-shaped structure.

4. The low-loss reinforced waterproof overhead insulated cable of claim 1, characterized in that: the inner side of the foam layer (5) is provided with four reinforcing ropes (4), the four reinforcing ropes (4) are uniformly distributed around the foam layer (5), and each reinforcing rope (4) is formed by mutually twisting two nylon ropes.

5. The low-loss reinforced waterproof overhead insulated cable of claim 1, characterized in that: the thickness of the first waterproof layer (9) is 0.2 mm-0.6 mm, and fluorescent powder is adhered and fixed on the outer surface of the first waterproof layer (9) through glue.

6. The low-loss reinforced waterproof overhead insulated cable of claim 1, characterized in that: the braided layer (6) comprises glass fibers (11) and metal shielding wires (12), and the glass fibers (11) and the metal shielding wires (12) are interwoven with each other.

7. The low-loss reinforced waterproof overhead insulated cable of claim 1, characterized in that: the cable jacket (10) outer surface equidistance is seted up flutedly (13), recess (13) inboard coating has multicolor paint (14).

Images