CN212541981U

CN212541981U - Environment-friendly waterproof flame-retardant overhead insulated cable

Info

Publication number: CN212541981U
Application number: CN202021526014.4U
Authority: CN
Inventors: 王建; 刘玉璞; 张�浩
Original assignee: Yaxing Cable Group Co ltd
Current assignee: Yaxing Cable Group Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-02-12
Anticipated expiration: 2030-07-29

Abstract

The utility model belongs to the technical field of the insulated cable technique of making somebody a mere figurehead and specifically relates to a waterproof fire-retardant aerial insulated cable of environment-friendly, including the center pillar, the fixed angle such as center pillar is equipped with a plurality of resistance to compression board, and is a plurality of the fixed insulating layer that is equipped with of resistance to compression board, the fixed angle such as insulating layer is equipped with a plurality of filling layers, the fixed angle such as inner wall of insulating layer is equipped with a plurality of spacing, the filling layer is all fixed and is equipped with the wire main part, the fixed water blocking layer that is equipped with of insulating layer, the fixed enhancement layer that is equipped with of water blocking layer, the fixed shielding layer that is equipped with of angle such as shielding layer is equipped with a plurality of V-arrangement stretching. The utility model discloses on ordinary aerial insulated cable's basis, set up and strengthen and waterproof material, improved water-proof effects and self intensity, wide market prospect has.

Description

Environment-friendly waterproof flame-retardant overhead insulated cable

Technical Field

The utility model relates to an overhead insulated cable technical field especially relates to a waterproof fire-retardant overhead insulated cable of environment-friendly.

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. With the rapid development of national economy, the overhead insulated cable is widely applied in China. But traditional aerial insulated cable ubiquitous waterproof effect is not good, in case can be along the vertical infiltration of the gap between the circular stranded conductor strand long distance after intaking, produces great harm, and the not ideal shortcoming such as intensity of cable self simultaneously, to above not enough, we provide an environmental protection type waterproof fire-retardant aerial insulated cable, replaces old-fashioned aerial insulated cable, satisfies people's life demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists water-proof effects and intensity among the prior art not good, and the waterproof fire-retardant aerial insulated cable of environment-friendly that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an environment-friendly waterproof flame-retardant overhead insulated cable is designed, which comprises a central pillar, wherein a plurality of pressure-resistant plates are fixedly arranged on the surface of the central pillar at equal angles, an insulating layer is fixedly arranged on one side of each pressure-resistant plate, which is far away from the central pillar, a plurality of filling layers are fixedly arranged on the inner wall of the insulating layer at equal angles, the filling layers are provided with limiting grooves, the inner wall of the insulating layer is fixedly provided with a plurality of limiting strips corresponding to the limiting grooves at equal angles, the filling layer is fixedly provided with a lead main body, a water-resistant layer is fixedly arranged on the surface of the insulating layer, a reinforcing layer is fixedly arranged on the surface of the water-resistant layer, the surface of the reinforced layer is fixedly provided with a shielding layer, the surface of the shielding layer is fixedly provided with a plurality of V-shaped tensile tapes at equal angles, one side of each V-shaped tensile tape far away from the shielding layer is fixedly provided with a low-smoke halogen-free polyolefin sheath, the low-smoke halogen-free polyolefin sheath and the shielding layer are divided into a plurality of filling cavities through V-shaped anti-pulling belts.

Preferably, the lead main body comprises a lead core, an inner shielding layer is fixedly arranged on the surface of the lead core, an inner insulating layer is fixedly arranged on the surface of the inner shielding layer, and the surface of the inner insulating layer is fixedly connected with the filling layer.

Preferably, tensile steel wires are symmetrically and fixedly arranged on one side of the filling layer.

Preferably, the reinforcing layer is fixedly provided with a plurality of reinforcing wires at equal angles, and the reinforcing wires are made of galvanized steel wires with the diameter of to mm.

Preferably, the surface of the shielding layer is fixedly provided with a plurality of tooth grooves at equal angles.

Preferably, the materials filled in the filling layer and the filling cavity are alkali-free glass fiber materials.

Preferably, the water-blocking layer is made of a double-sided interlayer water-blocking tape through a longitudinal wrapping process.

Preferably, the shielding layer is formed by weaving tinned copper wires and aramid yarns.

Preferably, the wear-resistant coating is uniformly coated on the surface of the low-smoke halogen-free polyolefin sheath.

The utility model provides a pair of waterproof fire-retardant aerial insulated cable of environment-friendly, beneficial effect lies in: the utility model can effectively prevent the occurrence of the phenomenon that the lead main body is damaged due to extrusion by arranging the central support and the pressure-resistant plate, greatly improve the insulativity of the utility model by arranging the insulating layer, filling the filling layer and the filling cavity with the alkali-free glass fiber material and the inner insulating layer, can effectively improve the strength and the tensile resistance of the utility model when the double-sided interlayer water-blocking tape is expanded when the water seepage phenomenon occurs by arranging the water-blocking layer which is made of the double-sided interlayer water-blocking tape through the longitudinal wrapping process, avoid the longitudinal spreading of water, effectively improve the connection strength between the shielding layer and the V-shaped tensile tape by arranging the tensile steel wire, the reinforcing layer and the reinforcing wire, and avoid the generation of a large amount of smog and toxic and harmful gases due to combustion when a fire accident occurs by arranging the low-smoke halogen-free polyolefin sheath, the safety and the environmental protection are improved.

Drawings

Fig. 1 is a partial view of an environment-friendly waterproof flame-retardant overhead insulated cable provided by the utility model;

fig. 2 is the utility model provides a waterproof fire-retardant aerial insulated cable's of environment-friendly cross-sectional view.

In the figure: the cable comprises a central pillar 1, a compression-resistant plate 2, an insulating layer 3, a filling layer 4, a limiting groove 5, a limiting strip 6, a cable main body 7, a tensile steel wire 8, a water-resistant layer 9, a reinforcing layer 10, a reinforcing wire 11, a shielding layer 12, a tooth space 13, a V-shaped anti-pulling belt 14, a low-smoke halogen-free polyolefin sheath 15, a filling cavity 16, a cable core 701, an inner shielding layer 702 and an inner insulating layer 703.

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.

Referring to fig. 1-2, an environment-friendly waterproof flame-retardant overhead insulated cable comprises a central pillar 1, a plurality of compression resistant plates 2 are fixedly arranged on the surface of the central pillar 1 at equal angles, an insulating layer 3 is fixedly arranged on one side of each compression resistant plate 2 away from the central pillar 1, a plurality of filling layers 4 are fixedly arranged on the inner wall of the insulating layer 3 at equal angles, each filling layer 4 is provided with a limiting groove 5, a plurality of limiting strips 6 corresponding to the limiting grooves 5 are fixedly arranged on the inner wall of the insulating layer 3 at equal angles, a lead main body 7 is fixedly arranged on each filling layer 4, a water blocking layer 9 is fixedly arranged on the surface of the insulating layer 3, a reinforcing layer 10 is fixedly arranged on the surface of each water blocking layer 9, a shielding layer 12 is fixedly arranged on the surface of the reinforcing layer 10, a plurality of V-shaped compression resistant belts 14 are fixedly arranged on the surface of the shielding layer 12 at equal angles, a, the space between the low smoke zero halogen polyolefin sheath 15 and the shielding layer 12 is divided into a plurality of filling cavities 16 by the V-shaped anti-pulling belts 14.

Referring to fig. 1-2, an environment-friendly waterproof flame-retardant aerial insulated cable, under the cooperation of a central pillar 1 and a compression-resistant plate 2, can effectively prevent the phenomenon that a lead main body 7 of the utility model is damaged due to extrusion, the lead main body 7 comprises a lead core 701, an inner shielding layer 702 is fixed on the surface of the lead core 701, an inner insulating layer 703 is fixed on the surface of the inner shielding layer 702, the surface of the inner insulating layer 703 is fixedly connected with a filling layer 4, a tensile steel wire 8 is symmetrically fixed on one side of the filling layer 4, a plurality of reinforcing wires 11 are fixed on the reinforcing layer 10 at equal angles, the reinforcing wires 11 are made of galvanized steel wires with the diameter of 1-2 mm, the strength and the tensile property of the utility model can be effectively improved, a plurality of tooth sockets 13 are fixed on the surface of a shielding layer 12 at equal angles, the connection strength between the shielding layer 12 and a V-shaped tensile strip 14 can, the material of packing in filling layer 4 and the packing cavity 16 is alkali-free glass fiber material, great improvement the utility model discloses an insulating nature, water blocking layer 9 is made through indulging the package technology by double-sided intermediate layer water blocking tape, can the utility model discloses double-sided intermediate layer water blocking tape water swelling when taking place the infiltration phenomenon avoids vertically stretching of water, and shielding layer 12 is woven by tinned copper wire and aramid yarn and is formed, and low smoke and zero halogen polyolefin sheath 15's the even coating wear-resistant coating in surface has also avoided producing a large amount of smog and poisonous and harmful gas because of the burning when improving the wearability when the fire incident takes place, has improved security and feature of environmental protection.

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 an environment-friendly waterproof fire-retardant aerial insulated cable, includes central pillar (1), its characterized in that, the fixed angle such as surface of central pillar (1) is equipped with a plurality of resistance to compression board (2), and a plurality of one side that central pillar (1) was kept away from to resistance to compression board (2) is fixed and is equipped with insulating layer (3), the fixed angle such as inner wall of insulating layer (3) is equipped with a plurality of filling layer (4), filling layer (4) all are equipped with spacing groove (5), the fixed angle such as inner wall of insulating layer (3) is equipped with a plurality of spacing strip (6) corresponding with spacing groove (5), filling layer (4) all are fixed and are equipped with wire main part (7), the fixed surface of insulating layer (3) is equipped with water blocking layer (9), the fixed surface of water blocking layer (9) is equipped with enhancement layer (10), the fixed surface of enhancement layer (10) is equipped with shielding layer, the fixed anti stretching strap of a plurality of V-arrangement (14), a plurality of are equipped with to the fixed angle such as surface of shielding layer (12) one side that shielding layer (12) were kept away from in the anti stretching strap of V-arrangement (14) is fixed and is equipped with low smoke and zero halogen polyolefin sheath (15), resistance stretching strap (14) are cut apart into a plurality of filling cavities (16) through V-arrangement between low smoke and zero halogen polyolefin sheath (15) and shielding layer (12).

2. The environment-friendly waterproof flame-retardant overhead insulated cable according to claim 1, wherein the conductor main body (7) comprises a conductor core (701), an inner shielding layer (702) is fixed on the surface of the conductor core (701), an inner insulating layer (703) is fixed on the surface of the inner shielding layer (702), and the surface of the inner insulating layer (703) is fixedly connected with the filling layer (4).

3. The environment-friendly waterproof flame-retardant overhead insulated cable according to claim 1, wherein tensile steel wires (8) are symmetrically and fixedly arranged on one side of the filling layer (4).

4. The environment-friendly waterproof flame-retardant overhead insulated cable according to claim 1, wherein the reinforcing layer (10) is provided with a plurality of reinforcing wires (11) at equal angles, and the reinforcing wires (11) are made of galvanized steel wires with a diameter of 1-2 mm.

5. The environment-friendly waterproof flame-retardant overhead insulated cable according to claim 1, wherein the surface of the shielding layer (12) is fixed with a plurality of tooth grooves (13) at equal angles.

6. The environment-friendly waterproof flame-retardant overhead insulated cable according to claim 1, wherein the filling layer (4) and the filling cavity (16) are both made of alkali-free glass fiber materials.

7. The environment-friendly waterproof flame-retardant overhead insulated cable according to claim 1, wherein the water-blocking layer (9) is made of a double-sided interlayer water-blocking tape by a longitudinal wrapping process.

8. The environment-friendly waterproof flame-retardant overhead insulated cable according to claim 1, wherein the shielding layer (12) is woven from tinned copper wires and aramid yarns.

9. The environment-friendly waterproof flame-retardant overhead insulated cable according to claim 1, characterized in that the surface of the low-smoke halogen-free polyolefin sheath (15) is uniformly coated with a wear-resistant coating.