CN215815283U

CN215815283U - Cable with high bending resistance

Info

Publication number: CN215815283U
Application number: CN202121884512.0U
Authority: CN
Inventors: 潘良春
Original assignee: Fujian Tianhang Cable Co ltd
Current assignee: Fujian Tianhang Cable Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-02-11
Anticipated expiration: 2031-08-12

Abstract

The application relates to the technical field of cables, and discloses a cable with high bending resistance, which comprises a wire and a protective sleeve, wherein the wire is positioned inside the protective sleeve, a protective pad is arranged between the wire and the protective sleeve, the protective pad is connected with the wire, an insulating layer is arranged between the protective pad and the protective sleeve, the insulating layer is connected with the protective pad, an installation layer is arranged between the insulating layer and the protective sleeve, the installation layer is connected with the protective pad, a reinforcing rod and an arc-shaped plate are arranged inside the installation layer, the reinforcing rod and the arc-shaped plate are both connected with the installation layer, a waterproof layer is arranged between the installation layer and the protective sleeve, the cable with high bending resistance can be used in daily life, and compared with a common cable, the cable provided by the application can avoid excessive bending of the cable in the laying or using process, and can be convenient for protect inside wire advantage such as.

Description

Cable with high bending resistance

Technical Field

The application relates to the technical field of cables, in particular to a cable with high bending resistance.

Background

Cables are commonly used conductors in people's daily life. At present, with the continuous development of social economy, the using amount of cables is rapidly increased, and the quality requirements on the cables are also continuously improved, for example, the cables used in the industries such as steel, metallurgy, electric power, chemical industry, petroleum and the like have higher requirements on the high temperature resistance, the anti-interference capability, the folding resistance and the service life of the cables.

With the rapid development of power cable buried laying engineering and the higher requirements for cable protection, the cable protection sleeve is made of Polyethylene (PE) and high-quality steel pipes through sand blasting and shot blasting pretreatment, plastic dipping or coating, and heating and curing processes. It is one of the most commonly used electrically insulating tubes for protecting wires and cables. It is widely used because of its good insulating property, high chemical stability, no rusting, no aging, and adaptability to harsh environment.

However, the cable in the prior art is usually dragged and bent when being laid or used, so the folding resistance of the cable affects the service life of the cable, and therefore, a cable with high folding resistance is provided

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art's not enough, this application provides a cable with high resistant bending performance, possesses and can avoid the cable to produce excessive the buckling at the in-process of laying or using, and can be convenient for protect advantages such as inside wire for solve among the prior art cable often can be dragged and bend when laying or using, so the resistant bending performance of cable will influence the life's of cable problem.

(II) technical scheme

The application provides the following technical scheme: the utility model provides a cable with high resistant bending performance, includes wire and protective sheath, the wire is located inside the protective sheath, the protection pad has between wire and the protective sheath, the protection pad with the wire is connected, the insulating layer has between protection pad and the protective sheath, the insulating layer with the protection pad is connected, the installation layer has between insulating layer and the protective sheath, the installation layer with the protection pad is connected, installation in situ portion has stiffener and arc, stiffener and arc all with the installation layer is connected, the installation layer with the waterproof layer has between the protective sheath, the waterproof layer with the installation layer is connected, the waterproof layer with the protective layer has between the protective sheath, the protective layer is connected waterproof layer and protective sheath.

Through the cable that this application provided has high resistant bending performance, can use in daily life, and for ordinary cable, the cable that this application provided possesses and can avoid the cable to produce excessive buckling at the in-process of laying or using, and can be convenient for protect advantages such as inside wire, solved among the prior art cable and often can be dragged and bend when laying or using, so the resistant bending performance of cable will influence the life's of cable problem.

In a possible embodiment, the number of the arc-shaped plates and the number of the reinforcing rods are six, and the six arc-shaped plates and the six reinforcing rods are arranged at equal intervals.

The material of arc and stiffener adopts PA, PPS, IXEF, PEEK wherein arbitrary one kind is made, can improve the resistant performance of buckling of cable through setting up stiffener and arc, thereby can guarantee the stability of cable in laying and daily use, avoid the cable to buckle and cause the damage to the protective sheath of protection wire, cause the accelerated ageing of cable, and can guarantee the stability of cable in the use, avoid appearing the condition that the cable circled when stretching, further assurance cable's stability.

In a possible embodiment, the outer side of the protection pad has a groove, and the groove is opened on the outer wall of the protection pad.

The protection pad adopts nitrile rubber to make, can make between the wall of recess both sides form and resist the support when the cable is buckled through setting up the recess to avoid the cable to be crooked excessively.

In one possible embodiment, the number of protective layers is four, four of which are in end-to-end contact with each other.

The material of protective layer adopts EPDM to make, can the efficient absorb the inflation of inside installation layer through setting up the protective layer to can guarantee the stability of protective sheath in the use, avoid the stealthy crack to appear in the protective sheath, thereby lead to the life of cable to reduce, and after the protective layer fracture, inside waterproof layer that sets up can avoid inside wire to receive the erosion of rainwater, cause the unnecessary loss, the security of further assurance cable in the use.

In a possible embodiment, the thickness of the protective and waterproof layers is 0.5-2 mm.

The waterproof layer is made by wrapping waterproof rubber cloth or waterproof rubber coiled material.

In one possible embodiment, the thickness of the insulating layer and the protective pad is 1-3 mm.

The insulating layer is made of any one of NR, SBR and IIR.

In a possible embodiment, the thickness of the mounting layer is 1-1.5 mm.

The mounting layer is made of silicon rubber.

Compared with the prior art, the application provides a cable with high resistant bending performance, possesses following beneficial effect:

1. this application can improve the resistant performance of buckling of cable through setting up stiffener and arc to can guarantee the stability of cable in laying and daily use, avoid the cable to buckle and cause the damage to the protective sheath of protection wire, cause the accelerated ageing of cable, and can guarantee the stability of cable in the use, avoid appearing the condition that the cable circled when carrying out the drawing, further assurance cable's stability.

2. This application can the efficient absorb the inflation of inside installation layer through setting up the protective layer to can guarantee the stability of protective sheath in the use, avoid the stealthy crack to appear in the protective sheath, thereby lead to the life of cable to reduce, and after the protective layer fracture, the waterproof layer that inside set up can avoid inside wire to receive the erosion of rainwater, cause the unnecessary loss, the security of further assurance cable in the use.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

Fig. 1 is a schematic view of the overall structure of a cable with high bending resistance provided by the present application;

fig. 2 is a cross-sectional view of a cable having high bend resistance as provided herein;

fig. 3 is a schematic view of the internal structure of a cable with high bending resistance provided by the present application;

fig. 4 is a front cross-sectional view of a cable with high bend resistance provided by the present application.

Wherein: 1 wire, 2 protective sleeves, 21 protective layers, 22 waterproof layers, 23 mounting layers, 24 reinforcing rods, 25 arc plates, 26 insulating layers and 27 protective pads.

Detailed Description

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

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

As shown in fig. 1-4, the present application provides a cable with high bending resistance, including wire 1 and protective sheath 2, wire 1 is located inside protective sheath 2, protection pad 27 has between wire 1 and protective sheath 2, protection pad 27 is connected with wire 1, insulating layer 26 has between protection pad 27 and protective sheath 2, insulating layer 26 is connected with protection pad 27, mounting layer 23 has between insulating layer 26 and protective sheath 2, mounting layer 23 is connected with protection pad 27, reinforcing bar 24 and arc 25 have inside mounting layer 23, reinforcing bar 24 and arc 25 all are connected with mounting layer 23, waterproof layer 22 has between mounting layer 23 and protective sheath 2, waterproof layer 22 is connected with mounting layer 23, protective layer 21 has between waterproof layer 22 and protective sheath 2, waterproof layer 22 and protective sheath 2 are connected to protective layer 21.

Through the cable that this application provided has high resistant bending performance, can use in daily life, and for ordinary cable, the cable that this application provided possesses and can avoid the cable to produce excessive buckling at the in-process of laying or using, and can be convenient for protect advantages such as inside wire 1, solved among the prior art cable and often can be dragged and bend when laying or using, so the resistant bending performance of cable will influence the life's of cable problem.

In one possible embodiment, the number of the arc plates 25 and the reinforcing rods 24 is six, and the six arc plates 25 and the reinforcing rods 24 are uniformly spaced.

The material of arc 25 and stiffener 24 adopts the PA, PPS, IXEF, PEEK wherein arbitrary one kind is made, can improve the resistant performance of buckling of cable through setting up stiffener 24 and arc 25, thereby can guarantee the stability of cable in laying and daily use, avoid the cable to buckle and cause the damage to protective sheath 2 of protection wire 1, cause the accelerated ageing of cable, and can guarantee the stability of cable in the use, avoid the condition that the cable circled when stretching, further guarantee the stability of cable.

In a possible embodiment, the protective pad 27 has a groove on the outside, which groove opens out on the outer wall of the protective pad 27.

The protection pad 27 is made of nitrile rubber, and can form a resisting support between two side walls of the groove when the cable is bent by arranging the groove, so that the cable is prevented from being excessively bent.

In one possible embodiment, the number of protective layers 21 is four, and four protective layers 21 are in contact with each other end to end.

The material of protective layer 21 adopts EPDM to make, can the efficient absorb the inflation of inside installation layer 23 through setting up protective layer 21, thereby can guarantee the stability of protective sheath 2 in the use, avoid protective sheath 2 stealthy crack to appear, thereby lead to the life of cable to reduce, and after protective layer 21 ftracture, inside waterproof layer 22 that sets up can avoid inside wire 1 to receive the erosion of rainwater, cause the unnecessary loss, further assurance cable security in the use.

In a possible embodiment, the thickness of the protective layer 21 and the waterproof layer 22 is 0.5 to 2 mm.

The waterproof layer 22 is made of waterproof rubber cloth or rubber waterproof coiled material.

In one possible embodiment, the thickness of the insulating layer 26 and the protective pad 27 is 1-3 mm.

The insulating layer 26 is made of any one of NR, SBR, and IIR.

In one possible embodiment, the thickness of the mounting layer 23 is 1-1.5 mm.

The mounting layer 23 is made of silicone rubber.

This application still provides a theory of operation of cable with high resistant bending performance in addition, when the cable is crooked, because stiffener 24 and arc 25's intensity is higher, so can resist the cable and crooked, prevent that the cable from buckling excessively, the recess both sides wall of seting up when the cable is buckled can resist each other, thereby further assurance cable can not buckle excessively, when the cable expend with heat and contract with cold, protective layer 21 is owing to split type design, and not the relation of connection, so protective layer 21 can absorb the evidence of heat and contract with cold of cable, prevent that protective sheath 2 is impaired.

Although embodiments of the present application 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 application, the scope of which is defined in the appended claims and their equivalents.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The technical solutions in the present application will be clearly and completely described below with reference to the accompanying drawings in the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. 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 application.

Claims

1. A cable with high bending resistance comprises a conductor (1) and a protective sleeve (2), and is characterized in that: the wire (1) is located inside the protective sleeve (2), a protection pad (27) has between the wire (1) and the protective sleeve (2), the protection pad (27) with the wire (1) is connected, an insulating layer (26) has between the protection pad (27) and the protective sleeve (2), the insulating layer (26) with the protection pad (27) is connected, an installation layer (23) has between the insulating layer (26) and the protective sleeve (2), the installation layer (23) is connected with the protection pad (27), a reinforcing rod (24) and an arc-shaped plate (25) have inside the installation layer (23), the reinforcing rod (24) and the arc-shaped plate (25) are connected with the installation layer (23), the installation layer (23) and a waterproof layer (22) has between the protective sleeve (2), the waterproof layer (22) is connected with the installation layer (23), waterproof layer (22) with protective sheath (2) between have protective layer (21), protective layer (21) are connected waterproof layer (22) and protective sheath (2).

2. A cable having high resistance to bending according to claim 1, wherein: the number of the arc-shaped plates (25) and the reinforcing rods (24) is six, and the arc-shaped plates (25) and the reinforcing rods (24) are arranged at even intervals.

3. A cable having high resistance to bending according to claim 1, wherein: the outer side of the protection pad (27) is provided with a groove, and the groove is arranged on the outer wall of the protection pad (27).

4. A cable having high resistance to bending according to claim 1, wherein: the number of the protective layers (21) is four, and the four protective layers (21) are in mutual contact end to end.

5. A cable having high resistance to bending according to claim 1, wherein: the thickness of the protective layer (21) and the waterproof layer (22) is 0.5-2 mm.

6. A cable having high resistance to bending according to claim 1, wherein: the thickness of the insulating layer (26) and the protective pad (27) is 1-3 mm.

7. A cable having high resistance to bending according to claim 1, wherein: the thickness of the mounting layer (23) is 1-1.5 mm.