CN215600119U

CN215600119U - Anti-compression and anti-stretching protective cable

Info

Publication number: CN215600119U
Application number: CN202121159877.7U
Authority: CN
Inventors: 钱昊; 吴明洋; 佟锐; 陈丽娟; 赵庆源; 翟兴; 朱宏超; 赵方成
Original assignee: Benxi Power Supply Co of Liaoning Electric Power Co Ltd
Current assignee: Benxi Power Supply Co of Liaoning Electric Power Co Ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-01-21
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a compression-resistant and stretch-resistant protective cable in the technical field of cables, which comprises a sheath, wherein a tension-resistant layer is arranged on the inner wall of the sheath, a compression-resistant layer is arranged on the inner wall of the tension-resistant layer, an inner sheath is arranged on the inner side of the compression-resistant layer, a shielding layer is arranged on the inner wall of the inner sheath, a first wire core is arranged on the left side and the right side in the inner sheath, conductor protective layers are arranged on the outer walls of the first wire core and the second wire core, and a compression-resistant piece is arranged between the adjacent conductor protective layers. The anti-compression cable is provided with the tensile layer, the tensile steel wire and the filling layer, so that the cable has high tensile performance, the anti-compression layer is arranged, the pressure on the cable can be effectively buffered, meanwhile, the anti-compression element is arranged between the first wire core and the second wire core, the cable is further effectively buffered when the cable is subjected to external pressure, and the damage to the first wire core and the second wire core is reduced.

Description

Anti-compression and anti-stretching protective cable

Technical Field

The utility model relates to the technical field of cables, in particular to a compression-resistant stretch-resistant protective cable.

Background

Power cables, cables for transmitting and distributing electric energy, in which the specific gravity of the cable is gradually increasing. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy.

The existing cable is poor in pressure resistance and tensile resistance, and the cable is prone to being damaged due to the fact that the cable is subjected to overlarge pressure or overlarge pulling for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a compression-resistant stretch-resistant protective cable to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a resistance to compression stretch-proofing protective cable, includes the sheath, the sheath inner wall is provided with the tensile layer, tensile layer inner wall is provided with the compressive layer, the compressive layer inboard is provided with the inner sheath, the inner sheath inner wall is provided with the shielding layer, the left and right sides all is provided with sinle silk one in the inner sheath, just be provided with two sets of sinle silks two in the position between two sets of sinle silks one in the inner sheath, sinle silk one and two outer walls of sinle silk all are provided with the conductor protective layer, and are adjacent be provided with the compressive piece between the conductor protective layer.

Furthermore, the equidistance embedding in the resistance to compression layer is provided with the multiunit tensile copper wire, the resistance to compression layer is rubber resistance to compression layer.

Further, the equal equidistance of inner sheath outer wall and resistance to compression inner wall is fixed with multiunit elasticity card strip, and inner sheath outer wall and resistance to compression inner wall all set up the draw-in groove that matches with elasticity card strip, elasticity card strip on the inner sheath and the elasticity card strip of resistance to compression inner wall stagger each other.

Further, resistance to compression piece is including setting up the cross bolster between adjacent two sets of conductor protective layers, and cross bolster top and bottom respectively with the interior wall connection of shielding layer top and bottom, the left and right ends of cross bolster all be provided with conductor protective layer assorted arc contact, the side is two sets of about conductor protective layer outer wall outside all is provided with the buffer block, the buffer block left and right sides all is provided with the arc contact, and the buffer block inner is connected with the outer wall outside of the conductor protective layer in the outside through the arc contact, the buffer block outer end is passed through the arc contact and is connected with shielding layer side inner wall.

Furthermore, the outer wall of the sheath is uniformly provided with wear-resistant raised lines, and the vertical sections of the wear-resistant raised lines are semicircular.

Furthermore, a filling layer is filled between the inner wall of the shielding layer and the outer walls of the pressure-resistant piece and the outer wall of the conductor protection layer.

Compared with the prior art, the utility model has the beneficial effects that: the cable is provided with the tensile layer, the tensile steel wire and the filling layer, so that the cable has high tensile performance, the pressure resistant layer is arranged, the pressure applied to the cable can be effectively buffered, meanwhile, the pressure resistant part is also arranged between the first wire core and the second wire core, further, the cable is effectively buffered when being applied with external pressure, the damage to the first wire core and the second wire core is reduced, the inner sheath and the pressure resistant layer are further clamped and connected through the elastic clamping strip, the internal part of the cable is more compact, the pressure resistance, the tensile performance and the torsion resistance of the cable are further improved, the wear resistant raised line is further arranged, the wear resistant performance of the cable is improved, and the service life of the cable is longer.

Drawings

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

In the figure: 1. a sheath; 2. a tensile layer; 3. a pressure resistant layer; 4. a tensile steel wire; 5. an inner sheath; 6. a shielding layer; 7. a conductor protection layer; 8. a first wire core; 9. a second wire core; 10. a compression resistant part; 101. a buffer block; 102. a cross-shaped buffer member; 103. an arc-shaped contact element; 11. an elastic clamping strip; 12. wear-resistant convex strips; 13. and (5) filling the layer.

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.

Example 1

Referring to fig. 1, the present invention provides a technical solution: a compression-resistant and stretch-resistant protective cable comprises a sheath 1, wherein the sheath 1 is widely applied in the field and not detailed in any detail, a tensile layer 2 is arranged on the inner wall of the sheath 1, the tensile layer 2 can be formed by weaving tensile fibers, a compression-resistant layer 3 is arranged on the inner wall of the tensile layer 2, the compression-resistant layer 3 improves the compression resistance of the cable, an inner sheath 5 is arranged on the inner side of the compression-resistant layer 3, a shielding layer 6 is arranged on the inner wall of the inner sheath 5, the shielding layer 6 is widely applied in the field, the compression-resistant layer 2 is not detailed in any detail, a first core 8 is arranged on the left side and the right side in the inner sheath 5, two second cores 9 are arranged in the inner sheath 5 and positioned between the first cores 8, the first cores 8 and the second cores 9 are control cores or power cores of the existing cable, the first cores 8 and the second cores 9 can be the same cores, selection is carried out according to actual conditions, the detailed in no way, conductor protective layers 7 are arranged on the outer walls of the first cores 8 and the second cores 9, the conductor protection layers 7 can adopt conductor insulation sheaths widely applied in the field, and a compression resistant piece 10 is arranged between the adjacent conductor protection layers 7, so that the compression resistant performance of the cable is further improved.

As shown in fig. 1: a plurality of groups of tensile steel wires 4 are embedded in the anti-compression layer 3 at equal intervals, and the tensile steel wires 4 have stronger tensile capacity, so that when external tensile force is applied, larger tensile force can be borne by the tensile steel wires 4, the whole photoelectric composite cable has stronger tensile force, and the anti-compression layer 3 is a rubber anti-compression layer;

as shown in fig. 1: a plurality of groups of elastic clamping strips 11 are fixed on the outer wall of the inner sheath 5 and the inner wall of the compression layer 3 at equal intervals, the elastic clamping strips 11 can be made of rubber materials, the vertical section of each elastic clamping strip 11 is in a dovetail shape, clamping grooves matched with the elastic clamping strips 11 are formed in the outer wall of the inner sheath 5 and the inner wall of the compression layer 3, the elastic clamping strips 11 on the inner sheath 5 and the elastic clamping strips 11 on the inner wall of the compression layer 3 are staggered with each other, and the arrangement of the elastic clamping strips 11 and the clamping grooves enables the interior of the cable to be more compact and further improves the compression resistance, the tensile resistance and the torsion resistance of the cable;

as shown in fig. 1: the compression resistant member 10 includes a cross-shaped cushion member 102 disposed between the adjacent two sets of conductor protecting layers 7, the cross-shaped cushion member 102 may be made of a rubber material, the top and the bottom of the cross-shaped buffer piece 102 are respectively connected with the inner walls of the top and the bottom of the shielding layer 6, the left and the right ends of the cross-shaped buffer piece 102 are respectively provided with an arc contact piece 103 matched with the conductor protection layer 7, the arc contact piece 103 is convenient to be better contacted with the conductor protection layer 7 on the outer wall of the core II 9 or the core I8, the outer sides of the outer walls of the two groups of conductor protection layers 7 on the left and the right sides are respectively provided with a buffer block 101, the buffer blocks 101 can be made of rubber materials, the left and the right sides of the buffer blocks 101 are respectively provided with the arc contact piece 103, and the inner end of the buffer block 101 is connected with the outer side of the outer wall of the conductor protection layer 7 at the outer side through an arc contact piece 103, and the outer end of the buffer block 101 is connected with the inner wall of the side part of the shielding layer 6 through the arc contact piece 103.

Example 2

As shown in fig. 1: the outer wall of the sheath 1 is uniformly provided with wear-resistant raised lines 12, the wear-resistant raised lines 12 are integrally formed with the sheath 1, the vertical sections of the wear-resistant raised lines 12 are semicircular, and the wear-resistant raised lines 12 improve the wear resistance of the sheath 1;

as shown in fig. 1: the filling layer 13 is filled between the inner wall of the shielding layer 6 and the outer wall of the compression-resistant piece 10 and between the inner wall of the conductor protection layer 7, the filling layer 13 can adopt a cotton wire filling rope, the cotton wire filling rope enables the interior to be more compact, and meanwhile, the cotton wire filling rope is soft, high in strength and good in tensile resistance and can also absorb torsion generated by torsional movement.

Compared with the embodiment 1, the embodiment 2 has the advantages that the wear-resistant convex strips 12 are arranged on the outer wall of the sheath 1, so that the wear resistance of the cable is improved, the service life of the cable is prolonged, and the filling layer 13 is arranged, so that the inner part of the cable is more compact, and meanwhile, the tensile property and the torsion resistance of the cable are further improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tensile protection cable of resistance to compression, includes sheath (1), its characterized in that: the inner wall of the sheath (1) is provided with a tensile layer (2), the inner wall of the tensile layer (2) is provided with a pressure resistant layer (3), the inner side of the pressure resistant layer (3) is provided with an inner sheath (5), the inner wall of the inner sheath (5) is provided with a shielding layer (6), the left side and the right side of the inner sheath (5) are respectively provided with a first core (8), the position in the inner sheath (5) between the first core (8) and the second core (8) is provided with a second core (9), the outer walls of the first core (8) and the second core (9) are respectively provided with a conductor protective layer (7), and a pressure resistant part (10) is arranged between the adjacent conductor protective layers (7).

2. The pressure-resistant, stretch-resistant and protective cable according to claim 1, wherein: a plurality of groups of tensile steel wires (4) are embedded in the anti-pressure layer (3) at equal intervals, and the anti-pressure layer (3) is a rubber anti-pressure layer (3).

3. The pressure-resistant, stretch-resistant and protective cable according to claim 1, wherein: inner sheath (5) outer wall and anti-compression layer (3) inner wall equal equidistance are fixed with multiunit elasticity card strip (11), and inner sheath (5) outer wall and anti-compression layer (3) inner wall all set up the draw-in groove that matches with elasticity card strip (11), and elasticity card strip (11) on inner sheath (5) and the elasticity card strip (11) of anti-compression layer (3) inner wall stagger each other.

4. The pressure-resistant, stretch-resistant and protective cable according to claim 1, wherein: compression-resistant piece (10) is including setting up cruciform bolster (102) between adjacent two sets of conductor protective layer (7), and cruciform bolster (102) top and bottom respectively with the interior wall connection of shielding layer (6) top and bottom, the left and right ends of cruciform bolster (102) all are provided with conductor protective layer (7) assorted arc contact (103), the two sets of conductor protective layer (7) outer wall outsides of the side of controlling all are provided with buffer block (101), buffer block (101) left and right sides all are provided with arc contact (103), and buffer block (101) inner is connected with the outer wall outside of the conductor protective layer (7) in the outside through arc contact (103), buffer block (101) outer end passes through arc contact (103) and shielding layer (6) lateral part inner wall connection.

5. The pressure-resistant, stretch-resistant and protective cable according to claim 1, wherein: the outer wall of the sheath (1) is uniformly provided with wear-resistant raised lines (12), and the vertical sections of the wear-resistant raised lines (12) are semicircular.

6. The pressure-resistant, stretch-resistant and protective cable according to claim 1, wherein: and a filling layer (13) is filled between the inner wall of the shielding layer (6) and the outer walls of the compression resistant piece (10) and the conductor protection layer (7) together.