CN209859650U

CN209859650U - Wear-resistant cable

Info

Publication number: CN209859650U
Application number: CN201921121988.1U
Authority: CN
Inventors: 甘涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2019-12-27
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a wear-resisting cable, including wrapping fastening layer and cable core, a plurality of groups the cable core is through wrapping the fastening layer parcel beam forming around the package, be provided with the internal insulation sheath around the outside of wrapping fastening layer, the outside of internal insulation sheath is equipped with the armor, the outside parcel of armor has the external insulation sheath, the outside integration shaping of external insulation sheath has wear-resisting sheath, be equipped with wear-resisting bearing structure in the wear-resisting sheath. Carry out the wear-resisting protection of first layer through wear-resisting sheath to the outside of cable, when wear-resisting sheath local damage appears and expose wear-resisting bearing structure, carry out the wear-resisting protection of second floor by wear-resisting bearing structure, improve the wear resistance of cable, simultaneously, in the wear-resisting bearing structure around package brace rod adoption spiral mode twine, can carry out all-round wear-resisting protection to external insulating sheath, make the cable conveniently to be crooked simultaneously, reduce the influence of crooked position friction.

Description

Wear-resistant cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to wear-resisting cable.

Background

Cables are generally rope-like cables made up of several or groups of at least two twisted conductors, each group insulated from each other and often twisted around a center, the entire outer surface of which is covered with a highly insulating covering. The sheath of the cable can be rubbed to different degrees in the process of laying and using the cable, and the cable can not be used continuously in serious cases, so that the abrasion resistance of the cable needs to be improved.

Patent No. CN201721626185.2 discloses a tensile and abrasion resistant cable, comprising: the conductive wires are insulated with each other, and each conductive wire comprises a copper core wire and a first insulating layer wrapped on the copper core wire; a second insulating layer encasing the plurality of conductive wires; the elastic layer wraps the second insulating layer and comprises a base body wrapping the second insulating layer, and a plurality of anti-skid projections arranged at intervals are arranged on the outer surface of the base body; the tensile layer wraps the elastic layer and is abutted to the anti-skid protrusions, and the tensile layer is of a metal net structure; and the wear-resistant layer is coated on the surface of the tensile layer and is stainless steel powder sprayed on the surface of the tensile layer. Above-mentioned utility model provides a tensile wear-resisting cable is through setting up the elastic layer of many conductor wires of parcel, wrap up in the tensile layer of elastic layer and scribble the wearing layer of locating the tensile layer surface, has effectively improved the wear resistance and the tensile strength of cable, makes the wear resistance and the tensile strength of cable good.

However, the above solution has the following disadvantages in use: after the wearing layer on the surface is damaged, the internal structure can be directly exposed, the abrasion speed of the internal structure can be increased, and the cable is not beneficial to use. In addition, the scheme is not convenient to bend, and the situation that local friction force is increased and local abrasion is serious is easy to occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wear-resisting cable, includes around package fastening layer and cable core, a plurality of groups the cable core is through wrapping up the bundling around package fastening layer, be provided with the internal insulation sheath around the outside of package fastening layer, the outside of internal insulation sheath is equipped with the armor, the outside parcel of armor has the external insulation sheath, the outside integrated into one piece of external insulation sheath has wear-resisting sheath, be equipped with wear-resisting bearing structure in the wear-resisting sheath, wear-resisting bearing structure comprises around package brace rod and vertical brace rod are fixed.

This setting directly carries out wear-resisting protection to the outside of cable through wear-resisting sheath, wherein utilizes wear-resisting bearing structure, improves the anti deformability of cable, when wear-resisting sheath takes place the damage, can remedy damaged department through wear-resisting bearing structure simultaneously, prevents that damaged department wearing and tearing are excessively concentrated, prevents the cable fracture.

Preferably, the wear-resistant sheath is formed by extruding cross-linked polyethylene, a wear-resistant flange is integrally arranged outside the wear-resistant sheath, the wear-resistant flange is parallel to the axial direction of the wear-resistant sheath and corresponds to the longitudinal support rib, and the thickness of the wear-resistant sheath is 2-3 mm.

This setting is with crosslinked polyethylene material at wear-resisting bearing structure outside extrusion moulding, can with outer insulating sleeve zonulae occludens, and is fixed firm, prevents to become flexible, can fix wear-resisting bearing structure simultaneously.

Preferably, the lapping support rib is spirally wound on the outer insulating sheath, and the longitudinal support rib is provided with an embedded groove for being embedded with the lapping support rib.

This setting forms whole bearing structure through with vertical brace rod gomphosis on wrapping the brace rod, and structural strength is high, and bending resistance can be high, is favorable to strengthening the performance of dodging of cable turning department, prevents that cable bending department stress concentration from causing the serious phenomenon of local wear.

Preferably, the armor layer is made of steel cable wrapping.

This setting improves the bulk strength of cable, increases the life of cable.

Preferably, a metal shielding layer is further arranged between the inner insulating sheath and the wrapping fastening layer, the metal shielding layer is wound on the wrapping fastening layer through a copper mesh, and the thickness of the metal shielding layer is 0.2-0.3 mm.

The metal shielding layer is utilized to carry out electrostatic and electric field protection on the cable core at the inner side, so that the stability of the cable is improved, and the working stability of the cable is facilitated.

Preferably, the wrapping fastening layer is spirally wound outside the cable cores by adopting nylon wrapping belts.

This setting utilizes and wraps the fastening layer around the package and carry out the parcel in advance to the cable core and become the beam, makes things convenient for follow-up forming process.

Preferably, the wrapping fastening layer is further wrapped with tensile ribs and a ground wire core, the ground wire core is located in the middle of the plurality of groups of cable cores, and the tensile ribs are distributed in gaps between the outer sides of the adjacent cable cores.

The tensile strength of the cable is improved through the tensile ribs, the cable is protected by the grounding wire, and the safety performance of the cable is improved.

The utility model discloses a technological effect and advantage:

through the wear-resisting flange on the wear-resisting sheath, carry out the wear-resisting protection of first layer to the outside of cable, when wear-resisting sheath local damage appears and expose wear-resisting bearing structure, carry out the wear-resisting protection of second floor by wear-resisting bearing structure, improve the wear resistance of cable, simultaneously, in the wear-resisting bearing structure around package brace rod adopt the spiral mode to twine, can carry out all-round wear-resisting protection to external insulation sheath, make the cable conveniently to carry out the bending simultaneously, reduce the influence of crooked position friction.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is a schematic view of the connection structure of the wear-resistant support structure of the present invention.

In the figure: 1 wear-resisting sheath, 101 wear-resisting flange, 2 outer insulating sheath, 3 armor, 4 inner insulating sheath, 5 tensile muscle, 6 are around package fastening layer, 7 cable cores, 8 earth core, 9 wear-resisting bearing structure, 901 are around package brace rod, 902 vertical brace rod, 10 metallic shield.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, a wear-resistant cable comprises a wrapping fastening layer 6 and cable cores 7, wherein a plurality of groups of cable cores 7 are wrapped into a bundle by the wrapping fastening layer 6, an inner insulating sheath 4 is arranged outside the wrapping fastening layer 6, an armor layer 3 is arranged outside the inner insulating sheath 4, an outer insulating sheath 2 is wrapped outside the armor layer 3, a wear-resistant sheath 1 is integrally formed outside the outer insulating sheath 2, a wear-resistant support structure 9 is arranged in the wear-resistant sheath 1, and the wear-resistant support structure 9 is formed by fixing a wrapping support rib 901 and a longitudinal support rib 902.

The wear-resistant sheath 1 is formed by extruding cross-linked polyethylene, a wear-resistant flange 101 is integrally arranged outside the wear-resistant sheath 1, the wear-resistant flange 101 is parallel to the wear-resistant sheath 1 in the axial direction, the wear-resistant flange 101 corresponds to the longitudinal support rib 902, and the thickness of the wear-resistant sheath 1 is 2-3 mm. The wear-resistant flange 101 and the longitudinal support rib 902 are coaxially arranged, and the wear resistance of the wear-resistant sheath 1 can be improved by using the wear-resistant flange 101.

The lapped supporting rib 901 is spirally wound on the outer insulating sheath 2, and the longitudinal supporting rib 902 is provided with an embedded groove for being embedded with the lapped supporting rib 901. The longitudinal supporting rib 902 adopts a reinforcing steel bar with the diameter of 1mm, the caulking groove is punched and formed by a punching machine, and the longitudinal supporting rib 902 is tightly clamped and embedded on the wrapping supporting rib 901 by the caulking groove to form an integral supporting structure.

The armor layer 3 is made by wrapping steel cables.

A metal shielding layer 10 is further arranged between the inner insulating sheath 4 and the wrapping fastening layer 6, the metal shielding layer 10 is wound on the wrapping fastening layer 6 through a copper mesh, and the thickness of the metal shielding layer 10 is 0.2-0.3 mm.

The wrapping fastening layer 6 is spirally wound outside the cable cores 7 by adopting nylon wrapping belts.

Still wrap up tensile muscle 5 and earth connection core 8 around in the package fastening layer 6, earth connection core 8 is located the middle part of a plurality of groups cable core 7, tensile muscle 5 distributes in the clearance between the adjacent cable core 7 outside.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a wear-resisting cable, includes around package fastening layer (6) and cable core (7), its characterized in that: the cable comprises a plurality of groups of cable cores (7) which are wrapped into bundles by wrapping fastening layers (6), wherein inner insulating sheaths (4) are arranged outside the wrapping fastening layers (6), armor layers (3) are arranged outside the inner insulating sheaths (4), outer insulating sheaths (2) are wrapped outside the armor layers (3), the outer insulating sheaths (2) are integrally formed to be provided with wear-resistant sheaths (1), wear-resistant supporting structures (9) are arranged in the wear-resistant sheaths (1), and the wear-resistant supporting structures (9) are formed by wrapping supporting ribs (901) and longitudinal supporting ribs (902) in a fixed mode.

2. A wear resistant cable in accordance with claim 1, wherein: the wear-resistant sheath is characterized in that the wear-resistant sheath (1) is formed by extruding cross-linked polyethylene, a wear-resistant flange (101) is integrally arranged outside the wear-resistant sheath (1), the wear-resistant flange (101) is parallel to the wear-resistant sheath (1) in the axial direction, the wear-resistant flange (101) corresponds to the longitudinal support rib (902), and the thickness of the wear-resistant sheath (1) is 2-3 mm.

3. A wear resistant cable in accordance with claim 1, wherein: the wrapping support rib (901) is spirally wound on the outer insulating sheath (2), and the longitudinal support rib (902) is provided with an embedded groove used for being embedded with the wrapping support rib (901).

4. A wear resistant cable in accordance with claim 1, wherein: the armor layer (3) is formed by wrapping steel cables.

5. A wear resistant cable in accordance with claim 1, wherein: the inner insulating sheath (4) and the wrapping fastening layer (6) are further provided with a metal shielding layer (10), the metal shielding layer (10) is wound on the wrapping fastening layer (6) through a copper mesh, and the thickness of the metal shielding layer (10) is 0.2-0.3 mm.

6. A wear resistant cable in accordance with claim 1, wherein: the wrapping fastening layer (6) is spirally wound outside the cable cores (7) by adopting nylon wrapping belts.

7. A wear resistant cable in accordance with claim 1, wherein: still the parcel has tensile muscle (5) and earthing core (8) in wrapping fastening layer (6), earthing core (8) are located the middle part of a plurality of groups cable core (7), tensile muscle (5) distribute in the clearance between adjacent cable core (7) outside.