New energy special cable for rail transit

Abstract

The utility model discloses a new energy special cable for rail transit, which comprises a conductor, an inner shielding layer, an insulating layer, an outer shielding layer, a semiconductor shielding layer, an aluminum-plastic composite belt, a plastic anti-corrosion protective layer, an outer protective sleeve and a rat-proof steel wire, the inner shielding layer is wrapped on the outer side of the conductor, the insulating layer is wrapped on the outer side of the inner shielding layer, and the outer shielding layer is wrapped on the outer side of the semiconductor shielding layer. The outer shielding layer wraps the outer side of the insulating layer, the semiconductor shielding layer wraps the outer side of the outer shielding layer, the aluminum-plastic composite belt wraps the outer side of the semiconductor shielding layer, the plastic anti-corrosion protection layer wraps the outer side of the aluminum-plastic composite belt, and the outer protection sleeve wraps the outer side of the plastic anti-corrosion protection layer. Rat-proof steel wires are installed on the periphery of the interior of the outer protective sleeve at equal intervals, and mouse biting is prevented. The cable is reasonable in design, good in insulativity, capable of shielding current and preventing interference on nearby signal sources, good in durability due to the built-in anti-corrosion layer, and capable of preventing mouse biting due to the built-in steel wire of the outer protective sleeve.

Description

Technical Field

[0001] The utility model relates to the field of electricity, and in particular to a new energy special cable for rail transportation. Background Art

[0002] Rail transit cables are generally installed underground. Long-term use can easily lead to corrosion, rat gnawing and other damages, which seriously affect the safety of cable use. Utility Model Content

[0003] The purpose of the utility model is to provide a new energy special cable for rail transit to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A new energy special cable for rail transit, comprising a conductor, an inner shielding layer, an insulating layer, an outer shielding layer, a semiconductor shielding layer, an aluminum-plastic composite tape, a plastic anti-corrosion protective layer, an outer protective sleeve, and rat-proof steel wire. The outer side of the conductor is wrapped with the inner shielding layer, the outer side of the inner shielding layer is wrapped with the insulating layer, the outer side of the insulating layer is wrapped with the outer shielding layer, the outer side of the outer shielding layer is wrapped with the semiconductor shielding layer, the outer side of the semiconductor shielding layer is wrapped with the aluminum-plastic composite tape, the outer side of the aluminum-plastic composite tape is wrapped with the plastic anti-corrosion protective layer, the outer side of the plastic anti-corrosion protective layer is wrapped with the outer protective sleeve, and rat-proof steel wires are installed equidistantly inside the outer protective sleeve to prevent mice from gnawing.

[0006] Preferably: the new energy special cable for rail transit also includes an annular fixing sleeve, a plurality of annular fixing sleeves are equidistantly installed on the outer protective sleeve, and the rat-proof steel wire is inserted through the annular fixing sleeve and fixed by the annular fixing sleeve.

[0007] The beneficial effects of the utility model are as follows: the utility model has reasonable design, good insulation, can shield current to prevent interference with nearby signal sources, has a built-in anti-corrosion layer, has good durability, and has a built-in steel wire in the outer protective cover to prevent mice from gnawing. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is a schematic diagram of the structure of the utility model new energy special cable for rail transit.

[0009] In the figure: 1. conductor, 2. inner shielding layer, 3. insulating layer, 4. outer shielding layer, 5. semiconductor shielding layer, 6. aluminum-plastic composite tape, 7. plastic anti-corrosion protective layer, 8. outer protective sleeve, 9. rat-proof steel wire, 10. annular fixing sleeve. DETAILED DESCRIPTION

[0010] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0011] like Figure 1 As shown, a new energy special cable for rail transit includes a conductor 1, an inner shielding layer 2, an insulating layer 3, an outer shielding layer 4, a semiconductor shielding layer 5, an aluminum-plastic composite tape 6, a plastic anti-corrosion protective layer 7, an outer protective sleeve 8, and a rat-proof steel wire 9. The conductor 1 is wrapped with an inner shielding layer 2 around the outer side, the inner shielding layer 2 is wrapped with an insulating layer 3 around the outer side, the insulating layer 3 is wrapped with an outer shielding layer 4 around the outer side, the outer shielding layer 4 is wrapped with a semiconductor shielding layer 5 around the outer side, the semiconductor shielding layer 5 is wrapped with an aluminum-plastic composite tape 6 around the outer side, the aluminum-plastic composite tape 6 is wrapped with a plastic anti-corrosion protective layer 7 around the outer side, the plastic anti-corrosion protective layer 7 is wrapped with an outer protective sleeve 8 around the outer side, and the outer protective sleeve 8 is equidistantly installed with rat-proof steel wire 9 around the inner side to prevent rats from gnawing. The new energy special cable for rail transit also includes an annular fixing sleeve 10, and a plurality of annular fixing sleeves 10 are equidistantly installed on the outer protective sleeve 8, and the rat-proof steel wire 9 is inserted through the annular fixing sleeve 10 and fixed by the annular fixing sleeve 10.

[0012] The working principle of the utility model is as follows: the semiconductor shielding layer 5 in the cable can effectively prevent the current in the cable from affecting the nearby signal source, and the strength of the cable is increased by the aluminum-plastic composite tape 6, while the plastic anti-corrosion protective layer 7 can prevent the cable from being corroded, and the rat-proof steel wire 9 in the outer protective sheath 8 can prevent rats from gnawing.

[0013] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary, and equivalent changes within the equivalent scope are included in the scope of the present invention.

Claims

1. A new energy special cable for rail transit, comprising a conductor (1), an inner shielding layer (2), an insulating layer (3), an outer shielding layer (4), a semiconductor shielding layer (5), an aluminum-plastic composite tape (6), a plastic anti-corrosion protective layer (7), an outer protective sheath (8), and a rat-proof steel wire (9), characterized in that: The conductor (1) is wrapped around an inner shielding layer (2), the inner shielding layer (2) is wrapped around an insulating layer (3), the insulating layer (3) is wrapped around an outer shielding layer (4), the outer shielding layer (4) is wrapped around a semiconductor shielding layer (5), the semiconductor shielding layer (5) is wrapped around an aluminum-plastic composite tape (6), the aluminum-plastic composite tape (6) is wrapped around a plastic anti-corrosion protective layer (7), the plastic anti-corrosion protective layer (7) is wrapped around an outer protective sleeve (8), and rat-proof steel wires (9) are installed equidistantly around the inner periphery of the outer protective sleeve (8) to prevent rats from gnawing.

2. The new energy special cable for rail transit according to claim 1 is characterized in that: The new energy special cable for rail transit further comprises an annular fixing sleeve (10), a plurality of annular fixing sleeves (10) are equidistantly mounted on the outer protective sleeve (8), and the rat-proof steel wire (9) is inserted through the annular fixing sleeve (10) and fixed by the annular fixing sleeve (10).

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