CN115762868A

CN115762868A - Anti-bending anti-torsion photoelectric composite cable

Info

Publication number: CN115762868A
Application number: CN202211187955.3A
Authority: CN
Inventors: 李万松; 李兵; 闵泽宇; 丁运生; 王学超
Original assignee: Hefei University of Technology; Anhui Lingyu Cable Technology Co Ltd
Current assignee: Hefei University of Technology; Anhui Lingyu Cable Technology Co Ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-03-07

Abstract

The invention discloses a bending-resistant torsion-resistant photoelectric composite cable which comprises a central layer, a resistant layer and an outer protective layer, wherein the central layer comprises a central framework, a central reinforcing rib is arranged at the center inside the central framework, a plurality of groups of compression-resistant gaskets are arranged on the outer side wall of the central framework, cables are arranged between every two adjacent compression-resistant gaskets, a channel for accommodating the cables is arranged on the outer side wall of the central framework, at least one elastic stretching strip is arranged on each compression-resistant gasket, and a plurality of movable soft ball blocks are arranged on each elastic stretching strip; the resistance layer comprises two opposite half sheaths, each half sheath is provided with a plurality of sliding limiting grooves on the inner wall, each sliding limiting groove on the half sheath corresponds to each movable soft ball block on the elastic stretching strip one by one, and the movable soft ball blocks are positioned in the sliding limiting grooves. The invention improves the bending resistance and the torsion resistance of the photoelectric composite cable, thereby prolonging the service life of the photoelectric composite cable.

Description

Bending-resistant and torsion-resistant photoelectric composite cable

Technical Field

The invention mainly relates to the technical field of photoelectric composite cables, in particular to an anti-bending and anti-torsion photoelectric composite cable.

Background

With the continuous development of society and the continuous development of scientific level, the internet information era rapidly rises, the composite cable becomes an indispensable part in industry and life, and the most representative composite cable is the photoelectric composite cable. The photoelectric composite cable is suitable for being used as a transmission line in a broadband access network system, is a novel access mode, integrates optical fibers and transmission copper wires, and can solve the problems of broadband access, equipment power consumption and signal transmission.

With the soaring of the power information industry, the application of the photoelectric composite cable permeates into various fields of life, so that the photoelectric composite cable needs to deal with a plurality of adverse working environments, but the bending resistance, the torsion resistance and other performances of the existing photoelectric composite cable are not outstanding at present, the insulativity and the normal work of the electric wire and the electric wire are difficult to ensure under the action of complex external force, and even the electric wire and the electric wire can be damaged and cannot work under the action of complex torsion and bending acting forces, so that the service life of the photoelectric composite cable is short.

Disclosure of Invention

The technical scheme of the invention provides a solution which is obviously different from the prior art aiming at the technical problem that the prior art has too single solution, and mainly provides an anti-bending and anti-torsion photoelectric composite cable which is used for solving the technical problems in the background technology.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a bending-resistant torsion-resistant photoelectric composite cable comprises a center layer, a resistant layer and an outer protective layer, wherein the center layer comprises a center framework, a center reinforcing rib is arranged in the center of the inside of the center framework, a plurality of groups of compression-resistant gaskets distributed at equal intervals are mounted on the outer side wall of the center framework, cables are arranged between every two adjacent compression-resistant gaskets, a channel for the cables to be arranged is formed in the outer side wall of the center framework, at least one elastic stretching strip is arranged on each compression-resistant gasket, a plurality of movable soft ball blocks are mounted on each elastic stretching strip, and the movable soft ball blocks are distributed at equal intervals; the resistance layer includes two relative half sheaths, every all be equipped with the slip spacing groove that a plurality of equidistance distributes on the half sheath inner wall, every slip spacing groove and every on the half sheath removal soft ball piece one-to-one on the elastic stretching strip, removal soft ball piece is located the slip spacing inslot portion.

Preferably, a protective sleeve is sleeved on the cable.

Preferably, each half sheath inner wall all contacts with the elastic stretching strip lateral wall, it is equipped with the buffering material to fill between half sheath and the central skeleton.

Preferably, one side of the elastic stretching strip, which is far away from the movable soft ball block, is provided with a plurality of glue layer sheets distributed at equal intervals, and the elastic stretching strip is connected with the elastic stretching strip through the glue layer sheets.

Preferably, one of the half sheaths is provided with a plurality of alignment grooves distributed at equal intervals, the other one of the half sheaths is opposite to the other one of the half sheaths, the alignment blocks distributed at equal intervals are arranged on the half sheaths, and the alignment grooves correspond to the alignment blocks in a one-to-one manner.

Preferably, the resistance layer comprises a binding layer, and the binding layer is wrapped on the outer wall of the half sheath in a wrapping manner by a sealing tape.

Preferably, the outer sheath comprises an outer sheath sleeved on the binding layer, and the outer sheath is provided with an inner layer armored steel wire and an outer layer armored steel wire which are opposite in twisting direction.

Compared with the prior art, the invention has the following beneficial effects:

(1) The strength and the bending resistance of the photoelectric composite cable are further improved by the deformation of the elastic stretching strip, and the movable soft ball block can slide in the sliding limiting groove, so that the anti-torsion performance can be realized by relative rotation between the central layer and the resistance layer, and the service life of the photoelectric composite cable is prolonged;

(2) The central framework is used for carrying out structural support, so that the whole structure is very compact, the central reinforcing rib, the compression-resistant gasket and the buffering material are used for comprehensively reinforcing, the whole strength is higher, and the bending resistance and the torsion resistance of the photoelectric composite cable are improved;

(3) The inner layer armored steel wire and the outer layer armored steel wire which are opposite in twisting direction are adopted, so that the torque of the composite cable is balanced, the phenomenon that the composite cable rotates and is twisted in the using process is avoided, and the tensile strength and the bearing performance are improved.

The invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a schematic view of the core layer structure of the present invention;

FIG. 3 is a perspective view of a half sheath of the present invention;

FIG. 4 is a perspective view of an elastic stretch panel of the present invention.

Description of the drawings: 1. a core layer; 101. a central skeleton; 102. a central reinforcing rib; 103. a compression resistant gasket; 104. a channel; 105. an elastic stretch strip; 106. moving the soft ball block; 107. a layer of adhesive; 2. a resistant layer; 201. a half sheath; 202. a sliding limit groove; 203. buffering the material; 204. a positioning groove; 205. a positioning block; 206. a tie layer; 3. an outer jacket; 301. an outer sheath; 302. inner layer armor wires; 303. outer layer armouring steel wire; 4. a cable; 401. a protective sleeve.

Detailed Description

In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of such term knowledge in the specification of the invention is for the purpose of describing particular embodiments and is not intended to be limiting of the invention, and the use of the term "and/or" herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, the present invention provides a technical solution: the utility model provides an anti-bending and anti-torsion photoelectric composite cable, includes central layer 1, resistance layer 2 and outer jacket 3, central layer 1 includes central skeleton 101, the inside center of central skeleton 101 is provided with central strengthening rib 102, install the resistance to compression gasket 103 that a plurality of groups equidistance distributes on the central skeleton 101 lateral wall, two liang are adjacent be equipped with cable 4 between the resistance to compression gasket 103, be equipped with the passageway 104 that supplies cable 4 to settle on the central skeleton 101 lateral wall, carry out the structural support through central skeleton 101 for overall structure is very compact, and plays the effect of comprehensive reinforcement through central strengthening rib 102 and resistance to compression gasket 103 for overall strength is higher, improves the anti-bending and anti-torsion performance of photoelectric composite cable.

Referring to fig. 1-3 again, the inner wall of each of the half sheaths 201 is in contact with the outer side wall of the elastic tension strip 105, a buffer material 203 is filled between the half sheaths 201 and the central framework 101, the buffer material 203 is buffer cotton soaked with flame retardant ointment, when the optical cable is twisted or extruded, the cable 4 can be protected by deforming the buffer material 203, and the cable 4 is sleeved with a protective sleeve 401 to prevent the buffer material 203 from affecting the cable 4.

Please refer to fig. 1-4 again, each of the compression-resistant pads 103 is provided with at least one elastic stretching strip 105, the elastic stretching strip 105 is provided with a plurality of movable soft ball blocks 106, the movable soft ball blocks 106 are distributed at equal intervals, one side of the elastic stretching strip 105 away from the movable soft ball blocks 106 is provided with a plurality of equally distributed adhesive sheets 107, and the elastic stretching strip 105 is connected with the elastic stretching strip 105 through the adhesive sheets 107. The strength and the bending resistance of the photoelectric composite cable are further improved by the deformation of the elastic stretching strip 105 to resist the bending force of the photoelectric composite cable. The resistant layer 2 comprises two opposite half sheaths 201, a plurality of sliding limiting grooves 202 are arranged on the inner wall of each half sheath 201 at equal intervals, the sliding limiting grooves 202 on each half sheath 201 correspond to the movable soft ball blocks 106 on each elastic stretching strip 105 one by one, and the movable soft ball blocks 106 are positioned in the sliding limiting grooves 202, so that the anti-torsion performance can be realized by enabling the central layer 1 and the resistant layer 2 to rotate relatively before the sliding limiting grooves 202, and the service life of the photoelectric composite cable is prolonged.

Please refer to fig. 1-4 again, wherein a plurality of alignment slots 204 are disposed on one of the half sheaths 201, and a plurality of alignment blocks 205 are disposed on the other opposite half sheaths 201, the alignment slots 204 and the alignment blocks 205 are in one-to-one correspondence, so that when the two half sheaths 201 are pressed on the central layer 1, the two half sheaths 202 are ensured to slide up and down and are opposite to each other. The resistant layer 2 comprises a binding layer 206, the binding layer 206 is wrapped on the outer wall of the half sheath 201 in a wrapping mode through a sealing tape, and the binding tape in the wrapping mode is adopted, so that the two half sheaths 201 can be reinforced, the two half sheaths 201 are prevented from being loose, the sealing performance of the whole cable can be improved, and the functionality of the cable is improved.

Please refer to fig. 1-4, the outer sheath 3 includes an outer sheath 301 covering the binding layer 206, the outer sheath 301 is provided with an inner armor steel wire 302 and an outer armor steel wire 303 with opposite twisting directions, the twisting directions of the inner armor steel wire 302 and the outer armor steel wire 303 are opposite, so that the torque of the composite cable is balanced, the rotation twisting caused in the using process is avoided, and the tensile strength and the bearing performance are improved, and the inner armor steel wire 302 and the outer armor steel wire 303 can adopt high-strength galvanized steel wires.

The specific operation flow of the invention is as follows:

when the photoelectric composite cable is used, structural support is carried out through the central framework 101, the whole structure is very compact, comprehensive reinforcement is achieved through the central reinforcing ribs 102 and the compression gaskets 103, the whole strength is higher, the bending resistance and the torsion resistance of the photoelectric composite cable are improved, the bending resistance of the photoelectric composite cable is achieved through the deformation of the elastic stretching strips 105, the strength and the bending resistance of the photoelectric composite cable are further improved, the movable soft ball blocks 106 can slide in the sliding limiting grooves 202, the torsion resistance can be achieved by enabling the central layer 1 and the resistance layer 2 to rotate relatively, meanwhile, due to the fact that the inner layer armor steel wires 302 and the outer layer armor steel wires which are opposite in twisting direction are adopted, the torque of the composite cable is balanced, rotation twisting caused in the using process is avoided, and the tensile strength and the bearing performance are improved.

The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without such modifications.

Claims

1. The utility model provides a resistance to bending antitorque commentaries on classics photoelectric cables, includes centre layer (1), resistant layer (2) and outer jacket (3), its characterized in that: the central layer (1) comprises a central framework (101), a central reinforcing rib (102) is arranged at the center inside the central framework (101), a plurality of groups of compression-resistant gaskets (103) which are distributed at equal intervals are mounted on the outer side wall of the central framework (101), cables (4) are arranged between every two adjacent compression-resistant gaskets (103), a channel (104) for accommodating the cables (4) is formed in the outer side wall of the central framework (101), at least one elastic stretching strip (105) is arranged on each compression-resistant gasket (103), a plurality of movable soft ball blocks (106) are mounted on each elastic stretching strip (105), and the movable soft ball blocks (106) are distributed at equal intervals;

the resistance layer (2) includes two relative half sheaths (201), every all be equipped with slip spacing groove (202) that a plurality of equidistance distributes on half sheath (201) inner wall, every slip spacing groove (202) and every on half sheath (201) removal soft ball piece (106) one-to-one on elastic stretching strip (105), removal soft ball piece (106) are located inside slip spacing groove (202).

2. The bending and torsion resistant photoelectric composite cable according to claim 1, wherein: a protective sleeve (401) is sleeved on the cable (4).

3. The bending and torsion resistant photoelectric composite cable according to claim 1, wherein: each half sheath (201) inner wall all contacts with elasticity stretch strip (105) lateral wall, it is equipped with buffering material (203) to fill between half sheath (201) and central skeleton (101).

4. The bending and torsion resistant photoelectric composite cable according to claim 1, wherein: a plurality of rubber layer sheets (107) distributed at equal intervals are arranged on one side of the elastic stretching strip (105) far away from the movable soft ball block (106), and the elastic stretching strip (105) is connected with the elastic stretching strip (105) through the rubber layer sheets (107).

5. The bending and torsion resistant photoelectric composite cable according to claim 1, wherein: one of them be equipped with a plurality of equidistance distribution's counterpoint groove (204) on half sheath (201), another is relative be equipped with a plurality of equidistance distribution's counterpoint piece (205) on half sheath (201), counterpoint groove (204) and counterpoint piece (205) one-to-one.

6. The bending and torsion resistant photoelectric composite cable according to claim 1, wherein: the resistant layer (2) comprises a bound layer (206), and the bound layer (206) is wrapped on the outer wall of the half sheath (201) in a wrapping mode through a sealing tape.

7. The bending and torsion resistant photoelectric composite cable according to claim 6, wherein: the outer protective layer (3) comprises an outer sheath (301) sleeved on the binding layer (206), and the outer sheath (301) is provided with inner armor steel wires (302) and outer armor steel wires (303) which are opposite in stranding direction.