CN215896005U

CN215896005U - High-temperature-resistant anti-cracking power cable

Info

Publication number: CN215896005U
Application number: CN202122389934.7U
Authority: CN
Inventors: 沈伟佳; 郭克钢
Original assignee: Shenzhen Deep Cable Technology Co ltd
Current assignee: Shenzhen Deep Cable Technology Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-22
Anticipated expiration: 2031-09-29

Abstract

The utility model belongs to the field of cables, and particularly relates to a high-temperature-resistant anti-cracking power cable which comprises a cable main body, a fixing ring, a connecting cylinder, a metal wire, silicon rubber, a glass fiber tape, a mica fiber tape, an aluminum plastic pipe, wear-resistant rubber, a clamping block, a clamping groove, a spring, a fastening bolt and a nut; the design of wear-resisting rubber has improved cable main body's wear-resisting effect and prevent the fracture performance, the design of aluminium-plastic pipe is convenient for evacuate the heat that the metal wire produced, the burning phenomenon appears in cable main body under high temperature environment is avoided in the design of mica fire hose, the design of glass fiber tape has improved cable main body high temperature resistance, the cable main body of being convenient for uses normally under high temperature environment, the design of silicon rubber has improved cable main body's insulating effect and corrosion-resistant effect.

Description

High-temperature-resistant anti-cracking power cable

Technical Field

The utility model relates to the field of cables, in particular to a high-temperature-resistant anti-cracking power cable.

Background

The cable generally comprises three components of a core wire, an insulating sheath and a protective sheath; the core wire is typically a rope-like cable made by stranding several or groups of wires (at least two per group), each group of wires being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating; the cable has the characteristics of internal electrification and external insulation.

The cable that uses at present has certain defect, lacks high temperature resistant, fire prevention and prevents the function of fracture, causes the cable main part to receive environmental impact and damage easily in the use, has reduced the life of cable main part. Therefore, a high-temperature-resistant anti-cracking power cable is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-temperature-resistant anti-cracking power cable, aiming at overcoming the defects of the prior art and solving the problems that a cable main body is easy to damage due to environmental influence in the using process and the service life of the cable main body is shortened because the conventional cable has certain defects and lacks high-temperature-resistant, fireproof and anti-cracking functions.

A high-temperature-resistant anti-cracking power cable comprises a cable main body, fixing rings, connecting cylinders and a clamping mechanism, wherein the fixing rings are symmetrically and fixedly arranged on the annular side surfaces of the left end and the right end of the cable main body, and the connecting cylinders are arranged on the annular side surfaces of the fixing rings;

the cable main body comprises a metal wire, silicon rubber, a glass fiber band, a mica fireproof band, an aluminum-plastic pipe and wear-resistant rubber, wherein the silicon rubber is assembled outside the metal wire, the glass fiber band is assembled on the annular side face of the silicon rubber, the mica fireproof band is assembled on the annular side face of the glass fiber band, the aluminum-plastic pipe is assembled on the annular side face of the mica fireproof band, and the wear-resistant rubber is assembled on the annular side face of the aluminum-plastic pipe.

Preferably, the clamping mechanism comprises a clamping block, clamping grooves, springs and fastening bolts, four accommodating grooves are uniformly formed in the connecting cylinder, the springs are fixedly mounted in the accommodating grooves, the springs are close to one end of the fixing ring and fixedly mounted with the clamping blocks, the two clamping grooves are symmetrically formed in the annular side surface of the fixing ring and are aligned with the clamping blocks vertically, the fastening bolts are mounted on the annular side surface of the connecting cylinder, and one ends of the fastening bolts extend to the accommodating grooves and are attached to the clamping blocks.

Preferably, the fastening bolt is provided with a nut on the annular side surface, and the outer side of the nut is fixedly arranged on the annular side surface of the connecting cylinder.

Preferably, evenly set up four screw holes on the solid fixed ring annular side, and screw hole internally mounted has the bolt, bolt one end is passed solid fixed ring and is laminated mutually with the cable bulk phase.

Preferably, the clamping mechanisms are four groups, the four groups are the same in structure, and the four groups of clamping mechanisms are symmetrically arranged on the annular side face of the connecting cylinder.

Preferably, two strip-shaped grooves are symmetrically formed in the connecting cylinder, two strip-shaped rods are symmetrically and fixedly mounted on the annular side face of the fixing ring, and the strip-shaped rods are mounted inside the strip-shaped grooves.

The utility model has the advantages that:

1. according to the utility model, through the structural design that the silicon rubber, the glass fiber tape, the mica fiber tape, the aluminum plastic pipe and the wear-resistant rubber are mutually sealed and sleeved to form the cable main body, the high-temperature resistant, fireproof and anti-cracking functions of the cable main body are realized, the problems that the cable main body is easily damaged by environmental influence in the using process due to the fact that the cable has certain defects and lacks the high-temperature resistant, fireproof and anti-cracking functions are solved, the service life of the cable main body is shortened, and the service life of the cable main body is prolonged;

2. according to the utility model, through the structural design that the fixing ring, the connecting cylinder, the clamping block, the clamping groove, the spring, the fastening bolt and the nut are mutually connected to form the clamping mechanism, the function of conveniently and rapidly connecting two cable main bodies is realized, the problem that the normal use of the cable main bodies is influenced because the connecting position is easy to break due to pulling when the cable main bodies are connected and used is solved, and the practicability of the cable is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a cable body according to the present invention;

FIG. 3 is a side view of the clamping mechanism of the present invention;

FIG. 4 is a front view of the snapping mechanism of the present invention.

In the figure: 1. a cable body; 2. a fixing ring; 3. a connecting cylinder; 4. a metal wire; 5. silicone rubber; 6. a glass fiber tape; 7. a mica fiber tape; 8. an aluminum-plastic pipe; 9. wear-resistant rubber; 10. a clamping block; 11. a card slot; 12. a spring; 13. fastening a bolt; 14. and a nut.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a high temperature resistant and crack resistant power cable includes a cable main body 1, fixing rings 2, connecting cylinders 3 and a clamping mechanism, wherein the fixing rings 2 are symmetrically and fixedly mounted on the annular side surfaces of the left and right ends of the cable main body 1, and the connecting cylinders 3 are mounted on the annular side surfaces of the fixing rings 2;

the cable main body 1 comprises a metal wire 4, silicon rubber 5, a glass fiber belt 6, a mica fireproof belt 7, an aluminum-plastic pipe 8 and wear-resistant rubber 9, wherein the silicon rubber 5 is assembled outside the metal wire 4, the glass fiber belt 6 is assembled on the annular side surface of the silicon rubber 5, the mica fireproof belt 7 is assembled on the annular side surface of the glass fiber belt 6, the aluminum-plastic pipe 8 is assembled on the annular side surface of the mica fireproof belt 7, the wear-resistant rubber 9 is assembled on the annular side surface of the aluminum-plastic pipe 8, the wear-resistant effect and the anti-cracking performance of the cable main body 1 are improved by the design of the wear-resistant rubber 9, the heat generated by the metal wire 4 is convenient to disperse by the design of the aluminum-plastic pipe 8, the combustion phenomenon of the cable main body 1 in a high-temperature environment is avoided by the design of the mica fireproof belt 7, the high-temperature resistance performance of the cable main body 1 is improved by the design of the glass fiber belt 6, and the cable main body 1 can be conveniently used normally in a high-temperature environment, the design of the silicone rubber 5 improves the insulation effect and the corrosion resistance effect of the cable body 1.

As an embodiment of the utility model, the clamping mechanism comprises a clamping block 10, clamping grooves 11, springs 12 and fastening bolts 13, four accommodating grooves are uniformly formed in the connecting cylinder 3, the springs 12 are fixedly arranged in the accommodating grooves, one end of each spring 12 close to the corresponding fixing ring 2 is fixedly provided with the corresponding clamping block 10, two clamping grooves 11 are symmetrically formed in the annular side surface of each fixing ring 2, the clamping grooves 11 are aligned with the clamping blocks 10 up and down, the fastening bolts 13 are arranged on the annular side surface of the connecting cylinder 3, one end of each fastening bolt 13 extends into the corresponding accommodating groove and is attached to the corresponding clamping block 10, when the clamping mechanism works, the two fixing rings 2 are respectively and fixedly arranged on the two cable main bodies 1, the connecting cylinder 3 is sleeved on one of the cable main bodies 1, the two cable main bodies 1 are connected, the connecting cylinder 3 is arranged on the corresponding fixing ring 2, so that the strip-shaped rod is arranged in the strip-shaped groove, the fixture block 10 and the clamping groove 11 are aligned up and down conveniently, the fastening bolt 13 is screwed, the fastening bolt 13 moves along the nut 14, the fastening bolt 13 moves to drive the fixture block 10 to move into the clamping groove 11, and therefore the purpose of connecting the two cable main bodies 1 is achieved, the fixture block 10 moves to stretch the spring 12, the elastic force of the spring 12 facilitates the movement and reset of the fixture block 10, and meanwhile, the fastening bolt 13 is prevented from being loosened;

as an embodiment of the utility model, the nut 14 is installed on the annular side surface of the fastening bolt 13, and the outer side of the nut 14 is fixedly installed on the annular side surface of the connecting cylinder 3, and during operation, the nut 14 is designed to facilitate the vertical movement of the fastening bolt 13;

as an embodiment of the utility model, four threaded holes are uniformly formed in the annular side surface of the fixing ring 2, bolts are arranged in the threaded holes, one end of each bolt penetrates through the fixing ring 2 to be attached to the cable main body 1, and the fixing ring 2 is conveniently arranged on the cable main body 1 due to the design of the bolts and the threaded holes during operation;

as an embodiment of the utility model, four groups of clamping mechanisms are arranged, the four groups of clamping mechanisms have the same structure, and are symmetrically arranged on the annular side surface of the connecting cylinder 3, so that the stability of the connection between the connecting cylinder 3 and the fixing ring 2 is improved by the design of the four groups of clamping mechanisms during work;

as an embodiment of the utility model, two strip-shaped grooves are symmetrically formed in the connecting cylinder 3, two strip-shaped rods are symmetrically and fixedly mounted on the annular side surface of the fixing ring 2, and the strip-shaped rods are mounted in the strip-shaped grooves, so that the connecting cylinder 3 can be conveniently mounted on the fixing ring 2 and the clamping blocks 10 and the clamping grooves 11 can be conveniently aligned up and down in operation.

The theory of operation, wear-resisting rubber 9's design has improved cable main body 1's wear-resisting effect and has prevented the fracture performance, the design of aluminium-plastic pipe 8 is convenient for evacuate the heat that metal wire 4 produced, the burning phenomenon appears in cable main body 1 under high temperature environment is avoided in the design of mica fire hose 7, the design of glass fiber tape 6 has improved cable main body 1 high temperature resistance, the cable main body 1 of being convenient for is normal use under high temperature environment, silicon rubber 5's design has improved cable main body 1's insulating effect and corrosion-resistant effect.

With two solid fixed rings 2 respectively fixed mounting on two cable main parts 1, with connecting cylinder 3 suit on one of them cable main part 1, connect two cable main parts 1, install connecting cylinder 3 on solid fixed ring 2, make the bar-shaped rod install at the bar inslot portion, be convenient for align from top to bottom of fixture block 10 and draw-in groove 11, twist and move fastening bolt 13, fastening bolt 13 moves along nut 14, fastening bolt 13 moves and drives fixture block 10 and move inside getting into draw-in groove 11, and then realize connecting the purpose of two cable main parts 1.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a high temperature resistant crack control type power cable which characterized in that: the cable comprises a cable main body (1), fixing rings (2), connecting cylinders (3) and a clamping mechanism, wherein the fixing rings (2) are symmetrically and fixedly arranged on the annular side surfaces of the left end and the right end of the cable main body (1), and the connecting cylinders (3) are arranged on the annular side surfaces of the fixing rings (2);

cable main part (1) includes metal wire (4), silicon rubber (5), glass fiber tape (6), mica fire prevention area (7), plastic-aluminum pipe (8) and wear-resisting rubber (9), metal wire (4) outside is equipped with silicon rubber (5), be equipped with glass fiber tape (6) on silicon rubber (5) ring side, be equipped with mica fire prevention area (7) on glass fiber tape (6) ring side, be equipped with plastic-aluminum pipe (8) on mica fire prevention area (7) ring side, be equipped with wear-resisting rubber (9) on plastic-aluminum pipe (8) ring side.

2. The high temperature resistant and crack resistant power cable according to claim 1, characterized in that: clamping mechanism includes fixture block (10), draw-in groove (11), spring (12) and fastening bolt (13), four grooves of accomodating are evenly seted up to connecting cylinder (3) inside, it has spring (12) to accomodate inslot portion fixed mounting, spring (12) are close to solid fixed ring (2) one end fixed mounting and have fixture block (10), two draw-in grooves (11) are seted up to the symmetry on solid fixed ring (2) annular side, and align from top to bottom draw-in groove (11) and fixture block (10), install fastening bolt (13) on connecting cylinder (3) annular side, and fastening bolt (13) one end extends to accomodate inslot portion and laminate mutually with fixture block (10).

3. The high temperature resistant and crack resistant power cable of claim 2, wherein: and a nut (14) is installed on the annular side surface of the fastening bolt (13), and the outer side of the nut (14) is fixedly installed on the annular side surface of the connecting cylinder (3).

4. The high temperature resistant and crack resistant power cable according to claim 1, characterized in that: four threaded holes are uniformly formed in the annular side face of the fixing ring (2), bolts are mounted in the threaded holes, and one ends of the bolts penetrate through the fixing ring (2) to be attached to the cable main body (1).

5. The high temperature resistant and crack resistant power cable according to claim 1, characterized in that: the clamping mechanism is provided with four groups, the four groups have the same structure, and the four groups of clamping mechanisms are symmetrically arranged on the annular side surface of the connecting cylinder (3).

6. The high temperature resistant and crack resistant power cable according to claim 1, characterized in that: two strip-shaped grooves are symmetrically formed in the connecting cylinder (3), two strip-shaped rods are symmetrically and fixedly mounted on the annular side face of the fixing ring (2), and the strip-shaped rods are mounted inside the strip-shaped grooves.