CN210039745U

CN210039745U - Cold-resistant tensile power cable

Info

Publication number: CN210039745U
Application number: CN201920937847.0U
Authority: CN
Inventors: 郑晓城; 许翔; 郑文彬; 许磊; 贺高举; 陆保立
Original assignee: Yunnan Duobao Cable Group Ltd By Share Ltd
Current assignee: Yunnan Duobao Cable Group Ltd By Share Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-02-07
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a cold-resistant tensile power cable, which belongs to the field of power cables, and provides a scheme that comprises an inner tube and a plurality of cable cores, wherein a copper wire mesh is hinged on the outer wall of the inner tube, the plurality of cable cores are hinged on the outer wall of the inner tube by taking the inner tube as the center, an insulating filling rope is arranged between the plurality of cable cores and the inner tube, a fireproof layer is wound on the outer wall of the insulating filling rope, and a protective layer is coated on the outer surface of the fireproof layer; the both ends of inner tube all extend to the outside of protective layer, first flange is installed in the one end cooperation of inner tube, and the second flange is installed in the other end cooperation of inner tube, the one end of inner tube is fixed with the inlet tube through first flange cooperation. The utility model discloses a temperature also can be adjusted along with the running water temperature around the cable, and the temperature of running water can not be less than the ℃, and the cable also can produce certain heat when the operation, the two interact to produce better cold-resistant performance, be fit for using widely.

Description

Cold-resistant tensile power cable

Technical Field

The utility model relates to a power cable technical field especially relates to a cold-resistant tensile type power cable.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity.

In severe cold area, cold weather can influence the life of cable, and the running water pipe also need make the winter protection measure in severe cold area, avoids the running water to freeze, can not combine running water pipe and cable structure together, for this, the utility model provides a cold-resistant tensile type power cable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a cold-resistant tensile power cable.

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

a cold-resistant tensile power cable comprises an inner tube and a plurality of cable cores, wherein a copper wire mesh is hinged on the outer wall of the inner tube, the cable cores are hinged on the outer wall of the inner tube by taking the inner tube as a center, insulating filling ropes are arranged between the cable cores and the inner tube, a fireproof layer is wound on the outer wall of each insulating filling rope, and a protective layer is coated on the outer surface of each fireproof layer;

the both ends of inner tube all extend to the outside of protective layer, first flange is installed in the one end cooperation of inner tube, and the second flange is installed in the other end cooperation of inner tube, the one end of inner tube is fixed with the inlet tube through first flange cooperation.

Preferably, the other end of the inner pipe is connected with an external water pipe in a matched mode through a second flange.

Preferably, the inner pipe is a steel wire spiral pipe made of polyurethane.

Preferably, the one end cooperation connection that the inner tube was kept away from to the inlet tube is on three way connection, and three way connection's one end is connected with external water pipe one end, and three way connection's the other end is connected with and divides the pipe, divides the other end of pipe to be connected to tap.

Preferably, the protective layer is made of a low-smoke halogen-free cross-linked polyolefin material.

Preferably, the fireproof layer is made of fire-resistant mica tapes, and the thickness of the fireproof layer is 2.5-5.5 mm.

Preferably, the insulating filling rope is made of cross-linked polyethylene.

Compared with the prior art, the beneficial effects of the utility model are that: through including inner tube and a plurality of cable core, the hinge has the copper mesh on the outer wall of inner tube, and a plurality of cable cores use the inner tube to close as the center on the outer wall of inner tube, are equipped with insulating packing rope between a plurality of cable cores and the inner tube, around having the flame retardant coating on the outer wall of insulating packing rope, and the surface cladding of flame retardant coating has the protective layer, and the inside running water that can let in of inner tube, and the running water when flowing, can adjust the surrounding environment, consequently, the utility model discloses a temperature also can be adjusted along with the running water temperature around the cable, and the temperature of running water can not be less than ℃, and the cable is when the operation, also can produce certain heat, the two interact to produce better cold resistance, be fit for using widely.

Drawings

Fig. 1 is the utility model provides a structural schematic diagram of cold-resistant tensile type power cable.

Fig. 2 is a cross-sectional view taken at a-a in fig. 1.

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, a cold-resistant tensile power cable comprises an inner tube 4 and a plurality of cable cores 5, wherein a copper wire mesh 6 is hinged on the outer wall of the inner tube 4, the cable cores 5 are hinged on the outer wall of the inner tube 4 by taking the inner tube 4 as a center, insulating filling ropes 3 are arranged between the cable cores 5 and the inner tube 4, a fireproof layer 2 is wound on the outer wall of the insulating filling rope 3, and a protective layer 1 is coated on the outer surface of the fireproof layer 2;

both ends of inner tube 4 all extend to the outside of protective layer 1, and first flange 7 is installed in the one end cooperation of inner tube 4, and second flange 11 is installed in the other end cooperation of inner tube 4, and the one end of inner tube 4 is fixed with inlet tube 8 through the cooperation of first flange 7.

In this embodiment, the other end of the inner pipe 4 is connected to an external water pipe via a second flange 11.

In the present embodiment, the inner tube 4 is a steel wire spiral tube made of polyurethane.

In this embodiment, one end of the water inlet pipe 8, which is far away from the inner pipe 4, is connected to the three-way joint 9 in a matching manner, one end of the three-way joint 9 is connected with one end of an external tap water pipe, the other end of the three-way joint 9 is connected with the branch pipe 10, and the other end of the branch pipe 10 is connected to the faucet.

In this embodiment, the protective layer 1 is made of a low-smoke halogen-free cross-linked polyolefin material.

In the embodiment, the fireproof layer 2 is made of fireproof mica tape, and the thickness of the fireproof layer 2 is 2.5-5.5 mm.

In the present embodiment, the insulating filler cord 3 is made of crosslinked polyethylene.

The utility model discloses when using, through including inner tube 4 and a plurality of cable core 5, the hinge system has copper mesh 6 on the outer wall of inner tube 4, a plurality of cable core 5 use inner tube 4 to close on the outer wall of inner tube 4 as the center hinge, be equipped with insulating packing rope 3 between a plurality of cable core 5 and the inner tube 4, it has flame retardant coating 2 to wind on insulating packing rope 3's the outer wall, the surface cladding of flame retardant coating 2 has protective layer 1, the inside running water that can let in of inner tube 4, and the running water is when flowing, can adjust the surrounding environment, therefore, the utility model discloses a cable ambient temperature also can be adjusted along with the running water temperature, and the temperature of running water can not be less than 0 ℃, and the cable is when moving, also can produce certain heat, the two interact to produce better cold resistance, be fit for using widely.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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. A cold-resistant tensile power cable comprises an inner tube (4) and a plurality of cable cores (5), and is characterized in that a copper wire mesh (6) is hinged on the outer wall of the inner tube (4), the cable cores (5) are hinged on the outer wall of the inner tube (4) by taking the inner tube (4) as a center, an insulating filling rope (3) is arranged between the cable cores (5) and the inner tube (4), a fireproof layer (2) is wound on the outer wall of the insulating filling rope (3), and a protective layer (1) is coated on the outer surface of the fireproof layer (2); the both ends of inner tube (4) all extend to the outside of protective layer (1), first flange (7) are installed in the one end cooperation of inner tube (4), and second flange (11) are installed in the other end cooperation of inner tube (4), the one end of inner tube (4) is fixed with inlet tube (8) through first flange (7) cooperation.

2. The cold-resistant tensile power cable according to claim 1, wherein the other end of the inner tube (4) is fittingly connected with an external water pipe through a second flange (11).

3. The cold-resistant tensile power cable according to claim 1, wherein the inner tube (4) is a spiral steel wire tube made of polyurethane.

4. The cold-resistant tensile power cable according to claim 1, wherein one end of the water inlet pipe (8) far away from the inner pipe (4) is connected to a three-way joint (9) in a matching manner, one end of the three-way joint (9) is connected with one end of an external tap water pipe, the other end of the three-way joint (9) is connected with a branch pipe (10), and the other end of the branch pipe (10) is connected to a faucet.

5. The cold-resistant tensile power cable according to claim 1, wherein the protective layer (1) is made of a low-smoke halogen-free cross-linked polyolefin material.

6. The cold-resistant tensile power cable according to claim 1, wherein the fireproof layer (2) is made of fireproof mica tape, and the thickness of the fireproof layer (2) is 2.5-5.5 mm.

7. The cold-resistant tensile power cable according to claim 1, wherein the insulating filling rope (3) is made of cross-linked polyethylene.