CN210722532U

CN210722532U - Beam-bearing aerial cable

Info

Publication number: CN210722532U
Application number: CN201922230357.XU
Authority: CN
Inventors: 谢西军; 曹浩; 杨周惠; 樊华; 何雯燕
Original assignee: Huawei Electric Power Construction Co Ltd
Current assignee: Huawei Electric Power Construction Co Ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-06-09
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a hold and restraint aerial [ insulated ] cable relates to aerial [ insulated ] cable technical field. This hold and restraint aerial [ insulated ] cable, including cable, block rubber, atress strip and arc rubber strip, the outside of cable is glued and is equipped with the block rubber, the block rubber is kept away from the one end glue of cable and is equipped with the atress strip, and the atress strip is three horn shapes, the both sides of atress strip are all glued and are equipped with the arc rubber strip, the cable includes the anti-corrosion coating, the inside glue of anti-corrosion coating is equipped with the flame retardant coating, the inside packing of flame retardant coating has the shielding metal mesh, the inside glue of shielding metal mesh is equipped with the rubber sleeve, the single line has been placed to the inside of rubber sleeve. This hold and restraint aerial [ insulated ] cable, when meetting strong wind, the atress strip is triangle-shaped, with wind-force reposition of redundant personnel to the arc rubber strip of atress strip both sides on, the arc rubber strip returns wind-force, six atress strips can block the wind-force of equidirectional not, bear the strength of wind bigger, can carry out the reposition of redundant personnel wind moreover, reduce the cracked condition of cable.

Description

Beam-bearing aerial cable

Technical Field

The utility model relates to an aerial [ insulated ] cable technical field specifically is a hold and restraint aerial [ insulated ] cable.

Background

The overhead cable (called overhead insulated cable) is an overhead conductor with insulating layer and protective sheath, and is a special cable made up by adopting the similar production process of cross-linked cable, and is a new power transmission mode between overhead conductor and underground cable. The power supply system has the main characteristics of high power supply reliability, good power supply safety, convenience in erection and maintenance, reasonable economy and the like. The main technical parameters comprise weather resistance, insulation level, inner and outer semi-conductive shielding layers. The overhead cable has wide transmission application at home and abroad.

The aerial cable transmits power in the air, the wind power in the air is larger than that on the ground, so the aerial cable needs a supporting wire, the cable is broken, the existing aerial cable is provided with the supporting wire, and the wind power is too large, so the wind force is difficult to bear, and the condition that the cable is broken and rush-repair is carried out frequently occurs.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a hold and restraint aerial [ insulated ] cable uses the back, bears the power of wind bigger, can shunt wind moreover, reduces the cracked condition of cable.

For the purpose of realizing above, the utility model discloses a following technical scheme realizes a hold and restraint aerial [ insulated ] cable, including cable, block rubber, atress strip and arc rubber strip, the outside of cable is glued and is equipped with the block rubber, the one end that the cable was kept away from to the block rubber is glued and is equipped with the atress strip, and the atress strip is three horn shapes, the both sides of atress strip are all glued and are equipped with arc rubber strip.

Preferably, the cable includes the anti-corrosion coating, the inside glue of anti-corrosion coating is equipped with the flame retardant coating, the inside packing of flame retardant coating has the shielding metal mesh, the inside glue of shielding metal mesh is equipped with the rubber sleeve, the single line has been placed to the inside of rubber sleeve, the inside glue of rubber sleeve is equipped with the triangle rubber slab, the one end glue that the rubber sleeve was kept away from to the triangle rubber slab is equipped with the bearing line.

Preferably, the stress strip comprises a wear-resistant layer, a high-temperature-resistant layer is glued inside the wear-resistant layer, and stress lines are inserted inside the high-temperature-resistant layer.

Preferably, the number of the rubber blocks is six, and the six rubber blocks are annularly arranged outside the anti-corrosion layer.

Preferably, stress strips are welded at one ends, far away from the cables, of the rubber blocks, and arc-shaped rubber strips are welded at the bottoms of the stress strips.

Preferably, the number of the triangular rubber plates is four, and the four triangular rubber plates are circularly distributed in the rubber sleeve.

The utility model provides a hold and restraint aerial [ insulated ] cable. The method has the following beneficial effects:

(1) this hold and restraint aerial [ insulated ] cable, when meetting strong wind, the atress strip is triangle-shaped, with wind-force reposition of redundant personnel to the arc rubber strip of atress strip both sides on, the arc rubber strip returns wind-force, six atress strips can block the wind-force of equidirectional not, bear the strength of wind bigger, can carry out reposition of redundant personnel wind moreover, reduce the cracked condition of cable.

(2) This hold and restraint aerial [ insulated ] cable, high temperature resistant layer makes the atress strip high temperature resistant, wearing layer prevents that the cable from dragging on the ground in, the cable damage.

Drawings

FIG. 1 is a perspective view of the present invention;

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

fig. 3 is a side sectional view of the force-bearing strip of the present invention.

In the figure: 1. a cable; 101. an anti-corrosion layer; 102. a fire barrier layer; 103. a shielding metal mesh; 104. a rubber sleeve; 105. a single wire; 106. a triangular rubber plate; 107. a load bearing line; 2. a rubber block; 3. a stress strip; 301. a wear layer; 302. a high temperature resistant layer; 303. a stress line; 4. an arc-shaped rubber strip.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a bearing beam overhead cable comprises a cable 1, rubber blocks 2, stress strips 3 and arc-shaped rubber strips 4, wherein the cable 1 comprises an anti-corrosion layer 101, a fireproof layer 102 is glued inside the anti-corrosion layer 101, a shielding metal net 103 is filled inside the fireproof layer 102, a rubber sleeve 104 is glued inside the shielding metal net 103, a single line 105 is placed inside the rubber sleeve 104, a triangular rubber plate 106 is glued inside the rubber sleeve 104, the number of the triangular rubber plates 106 is four, the four triangular rubber plates 106 are circularly distributed inside the rubber sleeve 104, a bearing line 107 is glued at one end, away from the rubber sleeve 104, of the triangular rubber plate 106, the number of the rubber blocks 2 is six, the six rubber blocks 2 are annularly arranged outside the anti-corrosion layer 101, stress strips 3 are welded at one ends of the six rubber blocks 2 far away from the cable 1, arc-shaped rubber strips 4 are welded at the bottoms of every two stress strips 3, stress strips 3 are arranged at one ends of the rubber blocks 2 far away from the cable 1, each stress strip 3 comprises a wear-resistant layer 301, a high-temperature-resistant layer 302 is arranged inside each wear-resistant layer 301, stress lines 303 are inserted inside each high-temperature-resistant layer 302, the high-temperature-resistant layers 302 enable the stress strips 3 to resist high temperature, each wear-resistant layer 301 prevents the cable from being dragged on the ground, the cable is damaged, the stress strips 3 are triangular, arc-shaped rubber strips 4 are arranged on two sides of each stress strip 3 in a gluing mode, when strong wind is encountered, the stress strips 3 are triangular, wind power is divided to the arc-shaped rubber strips 4 on two sides of each stress strip 3, the arc-shaped rubber strips 4 return the wind power, the six stress strips 3 can block wind power in different directions, the wind power is larger, and the wind can be divided, and the condition of cable breakage is reduced.

During the use, anti-corrosion coating 101 prevents that the cable from being corroded by bird droppings, flame retardant coating 102 is fire-resistant with the cable, shielding metal mesh 103 carries out the signal of telecommunication between shielded cable and the cable, triangle rubber slab 106 carries out the separation between single line 105, bearing line 107 carries out the bearing, when meetting strong wind, atress strip 3 is triangle-shaped, on shunting the arc rubber strip 4 of atress strip 3 both sides with wind-force, arc rubber strip 4 returns wind-force, six atress strips 3 can block the wind-force of equidirectional, prevent that high temperature layer 302 makes atress strip 3 high temperature resistant, wearing layer 301, when preventing that the cable from dragging on the ground, the cable damages.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a hold and restraint aerial [ insulated ] cable, includes cable (1), block rubber (2), atress strip (3) and arc rubber strip (4), its characterized in that: the outside of cable (1) is glued and is equipped with rubber block (2), the one end that cable (1) was kept away from in rubber block (2) is glued and is equipped with atress strip (3), and atress strip (3) are three horn shapes, the both sides of atress strip (3) are all glued and are equipped with arc rubber strip (4).

2. A bundle bearing aerial cable as claimed in claim 1, wherein: the cable (1) comprises an anti-corrosion layer (101), a fireproof layer (102) is glued to the inside of the anti-corrosion layer (101), a shielding metal net (103) is filled in the fireproof layer (102), a rubber sleeve (104) is glued to the inside of the shielding metal net (103), a single line (105) is placed in the rubber sleeve (104), a triangular rubber plate (106) is glued to the inside of the rubber sleeve (104), and a bearing line (107) is glued to one end, away from the rubber sleeve (104), of the triangular rubber plate (106).

3. A bundle bearing aerial cable as claimed in claim 1, wherein: the stress strip (3) comprises a wear-resistant layer (301), a high-temperature-resistant layer (302) is glued inside the wear-resistant layer (301), and stress lines (303) are inserted inside the high-temperature-resistant layer (302).

4. A bundle-bearing overhead cable as claimed in claim 2, wherein: the number of the rubber blocks (2) is six, and the six rubber blocks (2) are annularly arranged outside the anti-corrosion layer (101).

5. A bundle-bearing overhead cable as claimed in claim 2, wherein: six the one end that cable (1) was kept away from in block rubber (2) all welds atress strip (3), per two arc rubber strip (4) have all been welded to the bottom of atress strip (3).

6. A bundle-bearing overhead cable as claimed in claim 2, wherein: the number of the triangular rubber plates (106) is four, and the four triangular rubber plates (106) are circularly distributed in the rubber sleeve (104).