CN216671256U

CN216671256U - Double-layer co-extrusion insulation irradiation cross-linking halogen-free low-smoke flame-retardant power cable

Info

Publication number: CN216671256U
Application number: CN202220346525.0U
Authority: CN
Inventors: 鲁建豪; 李丙锁; 赵利江
Original assignee: Longgang Cable Group Co ltd
Current assignee: Longgang Cable Group Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-06-03
Anticipated expiration: 2032-02-21

Abstract

The utility model relates to the technical field of cables, in particular to a double-layer co-extrusion insulation irradiation crosslinking halogen-free low-smoke flame-retardant power cable which comprises a protective sleeve, the two groups of the protective sleeves are arranged in bilateral symmetry, a connecting rod is connected between the two groups of the protective sleeves, wires are arranged inside the two groups of the protective sleeves, the peripheral end surface of the conducting wire is wrapped with an insulating layer, the inner side end surfaces of the two groups of protective sleeves are respectively provided with a braided layer, a plurality of groups of fixing grooves are arranged on the upper and lower end surfaces of the connecting rod, a fixing component is movably clamped inside the fixing grooves, the fixing component comprises two groups of pulling plates which are respectively arranged at the left side and the right side of the fixing groove, this double-deck crowded insulation irradiation crosslinked halogen-free low smoke flame retardant power cable altogether has solved and has had inconvenient fixed and erect among the prior art, to the not good shortcoming of waiting of protection of electrically conductive cable.

Description

Double-layer co-extrusion insulation irradiation cross-linking halogen-free low-smoke flame-retardant power cable

Technical Field

The utility model relates to the technical field of cables, in particular to a double-layer co-extrusion insulation irradiation crosslinking halogen-free low-smoke flame-retardant power cable.

Background

The cable is an electric energy or signal transmission device, usually comprises several or several groups of wires, is made for one or more mutual insulated conductor and outsourcing insulating protective layer, with electric power or information from the wire of one department transmission to another department, but current cable is inconvenient fixed and erects for it is inconvenient to use, and can not play better protective effect to electrically conductive cable, leads to the not high life of cable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of inconvenience in fixing and erecting, poor protection on a conductive cable and the like in the prior art, and provides a double-layer co-extrusion insulation irradiation crosslinking halogen-free low-smoke flame-retardant power cable.

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

the double-layer co-extrusion insulation irradiation crosslinking halogen-free low-smoke flame-retardant power cable comprises two groups of protective sleeves, wherein two groups of protective sleeves are arranged in bilateral symmetry, a connecting rod is connected between the two groups of protective sleeves, wires are arranged inside the two groups of protective sleeves, insulating layers wrap the peripheral end surfaces of the wires, weaving layers are arranged on the inner side end surfaces of the two groups of protective sleeves, a plurality of groups of fixing grooves are arranged on the upper end surface and the lower end surface of the connecting rod, fixing components are movably clamped inside the fixing grooves, each fixing component comprises two groups of pull plates, the two groups of pull plates are respectively arranged on the left side and the right side of each fixing groove, pin blocks are movably inserted inside the fixing grooves, one ends of the pin blocks are fixedly connected with one group of pull plates, the other ends of the pin blocks penetrate to the outer sides of the other group of pull plates, and penetrating type jacks are formed in one ends, positioned outside the pull plates, of the pin blocks, limiting pins are movably inserted into the jacks, and pull rings are arranged on the upper end faces of the two groups of pull plates.

Preferably, the braided layer is a net structure formed by interweaving metal wires.

Preferably, it is two sets of be provided with supporting component between the arm-tie, supporting component includes the slider, the one end of slider and a set of arm-tie fixed connection, the other end of slider runs through to another group the outside of arm-tie, the slider is located the one end in the arm-tie outside is provided with the limiting plate, the limiting plate with arm-tie activity butt.

Preferably, an elastic piece is arranged between the two groups of pulling plates.

Preferably, the elastic member is a spring, and the spring is arranged on the periphery of the sliding block.

The utility model provides a double-layer co-extrusion insulation irradiation crosslinking halogen-free low-smoke flame-retardant power cable which has the beneficial effects that:

the protective sleeve can protect the conducting wire through the protective sleeve and the woven layer, the woven layer can increase the tensile strength of the protective sleeve, and the service life of the protective sleeve is prolonged;

through the fixed subassembly that sets up, fixed subassembly can remove between the multiunit fixed slot, and convenient adjustment can link to each other with external equipment through fixed subassembly simultaneously, is convenient for fix and erects.

Drawings

FIG. 1 is a schematic view of a main structure of a double-layer co-extruded insulation irradiation cross-linked halogen-free low-smoke flame-retardant power cable provided by the utility model;

FIG. 2 is a schematic cross-sectional structure diagram of a double-layer co-extruded insulation irradiation cross-linked halogen-free low-smoke flame-retardant power cable provided by the utility model;

FIG. 3 is an enlarged structural schematic diagram of an area A of the double-layer co-extrusion insulation irradiation cross-linking halogen-free low-smoke flame-retardant power cable provided by the utility model.

In the figure: 1. a protective sleeve; 2. a connecting rod; 3. a wire; 4. an insulating layer; 5. weaving layer; 6. fixing grooves; 7. pulling a plate; 8. a pin block; 9. a jack; 10. a spacing pin; 11. a slider; 12. a limiting plate; 13. an elastic member; 14. and (4) a pull ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a double-layer co-extrusion insulation irradiation crosslinking halogen-free low-smoke flame-retardant power cable comprises two groups of protection sleeves 1, wherein the protection sleeves 1 are symmetrically arranged in the left and right directions, connecting rods 2 are connected between the two groups of protection sleeves 1, wires 3 are arranged inside the two groups of protection sleeves 1, an insulation layer 4 is wrapped on the peripheral end surface of each wire 3, weaving layers 5 are arranged on the inner side end surfaces of the two groups of protection sleeves 1, a plurality of groups of fixing grooves 6 are arranged on the upper and lower end surfaces of the connecting rods 2, fixing components are movably clamped inside the fixing grooves 6 and comprise two groups of pull plates 7, the two groups of pull plates 7 are respectively arranged on the left and right sides of the fixing grooves 6, pin blocks 8 are movably inserted inside the fixing grooves 6, one end of each pin block 8 is fixedly connected with one group of pull plates 7, the other end of each pin block 8 penetrates to the outer side of the other group of pull plates 7, and one end of each pin block 8, which is positioned outside the pull plate 7, is provided with a penetrating type jack 9, the inside of the jack 9 is movably inserted with a limit pin 10, and the upper end surfaces of the two groups of pulling plates 7 are respectively provided with a pulling ring 14.

The weaving layer 5 is a net structure formed by weaving metal wires in a staggered mode, so that the strength of the protective sleeve 1 is improved, and meanwhile the metal shielding effect can be achieved.

Be provided with supporting component between two sets of arm-tie 7, supporting component includes slider 11, the one end and a set of arm-tie 7 fixed connection of slider 11, and the other end of slider 11 runs through to the outside of another group arm-tie 7, and the one end that slider 11 is located the arm-tie 7 outside is provided with limiting plate 12, limiting

plate

12 and 7 movable butts of arm-tie for the removal between two sets of arm-tie 7 is more firm.

An elastic part 13 is arranged between the two groups of pulling plates 7, so that the effect of elastic pushing is achieved.

The elastic part 13 is a spring, and the spring is arranged on the periphery of the sliding block 11, so that the two groups of pulling plates 7 can be pushed to move reversely, and the distance between the two groups of pulling plates 7 is kept.

A working mode; the during operation links to each other wire 3 and outside consumer, and lag 1 and weaving layer 5 that set up, lag 1 can play the protective effect to wire 3, and weaving layer 5 can increase lag 1's pull resistance, improves lag 1's life, and the fixed subassembly that sets up, fixed subassembly can be adjusted between multiunit fixed slot 6, can link to each other with outside equipment through fixed subassembly simultaneously, is convenient for fixed and erects.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a double-deck crowded insulation irradiation crosslinked halogen-free low smoke flame retardant power cable altogether, includes lag (1), its characterized in that: the protective sleeve is characterized in that two groups of protective sleeves (1) are arranged in bilateral symmetry, a connecting rod (2) is connected between the two groups of protective sleeves (1), wires (3) are arranged inside the two groups of protective sleeves (1), an insulating layer (4) is wrapped on the peripheral end face of each wire (3), weaving layers (5) are arranged on the inner side end faces of the two groups of protective sleeves (1), a plurality of groups of fixing grooves (6) are arranged on the upper end face and the lower end face of each connecting rod (2), fixing assemblies are movably clamped inside the fixing grooves (6), each fixing assembly comprises two groups of pull plates (7), the two groups of pull plates (7) are respectively arranged on the left side and the right side of each fixing groove (6), pin blocks (8) are movably inserted inside the fixing grooves (6), one ends of the pin blocks (8) are fixedly connected with one group of pull plates (7), and the other ends of the pin blocks (8) penetrate through the outer sides of the other groups of the pull plates (7), one end of the pin block (8) located on the outer side of the pulling plate (7) is provided with a through type jack (9), a limiting pin (10) is movably inserted into the jack (9), and pulling rings (14) are arranged on the upper end faces of the two groups of pulling plates (7).

2. The double-layer co-extrusion insulation irradiation crosslinking halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: the braided layer (5) is a net structure formed by interweaving metal wires.

3. The double-layer co-extrusion insulation irradiation crosslinking halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: two sets of be provided with supporting component between arm-tie (7), supporting component includes slider (11), the one end of slider (11) and a set of arm-tie (7) fixed connection, the other end of slider (11) runs through to another group the outside of arm-tie (7), slider (11) are located the one end in arm-tie (7) outside is provided with limiting plate (12), limiting plate (12) with arm-tie (7) activity butt.

4. The double-layer co-extrusion insulation irradiation crosslinking halogen-free low-smoke flame-retardant power cable according to claim 3, characterized in that: an elastic piece (13) is arranged between the two groups of pulling plates (7).

5. The double-layer co-extrusion insulation irradiation crosslinking halogen-free low-smoke flame-retardant power cable according to claim 4, characterized in that: the elastic piece (13) is a spring, and the spring is arranged on the periphery of the sliding block (11).