CN216528088U

CN216528088U - Tensile bending-resistant cable

Info

Publication number: CN216528088U
Application number: CN202123255708.6U
Authority: CN
Inventors: 戴琪; 杨杰; 杨军华
Original assignee: Jiangsu Xinfeng Cable Co ltd
Current assignee: Jiangsu Xinfeng Cable Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-13
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to the technical field of cables, and discloses a tensile bending-resistant cable which comprises four conducting wires and a cable outer layer, wherein the conducting wires and the cable outer layer are positioned inside the cable outer layer; according to the utility model, through the arrangement of the support ring and the elastic metal strip, the cable has good bending resistance and recovery performance, the cable can automatically recover to the original shape after being bent, the internal strength and the impact resistance of the cable are increased, the internal wire core is protected, through the arrangement of the wear-resistant layer and the reinforcing ribs, the cable has good wear resistance, good anti-pulling capability, toughness is increased, the service life of the cable is prolonged, and the problem that the internal wire core is easily damaged due to the low anti-pulling and bending resistance of the existing cable is solved.

Description

Tensile bending-resistant cable

Technical Field

The utility model relates to the technical field of cables, in particular to a tensile bending-resistant cable.

Background

The wire and cable are used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion. A wire cable in a broad sense, also referred to as a cable for short, refers to an insulated cable, which can be defined as: an aggregate consisting of; one or more insulated wire cores, and their respective possible coatings, total protective layers and outer jackets, the cable may also have additional conductors without insulation.

Present cable is anti-tensile to be dragged and resistant bending strength is not high, and is lower to cable core's protection effect, pulls the in-process to cable bending and causes the damage to its inside sinle silk easily, and then leads to the unable work of cable, need change the cable again, and life is lower to maintenance work for the staff brings inconvenience.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a tensile and bending-resistant cable, so as to solve the above-mentioned problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a tensile bending-resistant cable comprises four conducting wires and an outer cable layer, and they are all positioned in the inner part of the outer layer of the cable, the outer part of the lead is wrapped with an insulating layer, the outer part of the lead is provided with a heat-insulating layer, an insulating filling layer is filled in the insulating layer, a fireproof layer is arranged outside the insulating layer, a first waterproof layer is arranged on one side of the fireproof layer, which is far away from the insulating layer, and the other side of the first waterproof layer is provided with a reinforcing structure, the reinforcing structure comprises a plurality of support rings and elastic metal strips, and they are uniformly distributed inside the outer layer of the cable, said elastic metal strips are arranged between the support rings, and one side that the support ring is in opposite directions is provided with the second waterproof layer, the outer surface of cable is provided with the wearing layer, and the inside of wearing layer is provided with the strengthening rib.

Preferably, the number of the elastic metal strips is a plurality, the elastic metal strips are annularly distributed between support rings, the support rings are made of polyether-ether-ketone, and the elastic metal strips are made of platinum-nickel alloy.

Preferably, the cross-section of wearing layer is trapezoidal, and wearing layer annular distribution is in the outer outside of cable, the outer material of wearing layer and cable is wear-resisting rubber, the material of strengthening rib is metal fiber.

Preferably, the material of first waterproof layer is polyethylene film waterproofing membrane, the second waterproof layer sets up between the elastic metal strip, and the material of second waterproof layer is for meeting water inflation rubber waterstop.

Preferably, the heat insulation layer is phenolic foam, and the fireproof layer is made of unsaturated polyester.

Preferably, the surfaces of the outer layer of the cable and the wear-resistant layer are both coated with corrosion-resistant coatings, and the corrosion-resistant coatings are phenolic resin coatings.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the arrangement of the support ring and the elastic metal strip, the cable has good bending resistance and recovery performance, the cable can automatically recover to the original shape after being bent, the internal strength and the impact resistance of the cable are increased, the internal wire core is protected, through the arrangement of the wear-resistant layer and the reinforcing ribs, the cable has good wear resistance, good anti-pulling capability, toughness is increased, the service life of the cable is prolonged, and the problem that the internal wire core is easily damaged due to the low anti-pulling and bending resistance of the existing cable is solved.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front cross-sectional view of the structure of the present invention;

fig. 3 is a perspective view of a partial structure of the present invention.

In the figure: 1. a wire; 2. an insulating layer; 3. an insulating filling layer; 4. a heat-insulating layer; 5. a fire barrier layer; 6. a first waterproof layer; 7. a reinforcing structure; 71. a support ring; 72. an elastic metal strip; 8. a second waterproof layer; 9. an outer layer of the cable; 10. a wear layer; 11. and (5) reinforcing ribs.

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. 1-3, a tensile bending-resistant cable includes four wires 1 and a cable outer layer 9, the four wires 1 are located inside the cable outer layer 9, an insulating layer 2 is wrapped outside the wires 1, an insulating layer 4 is disposed outside the wires 1, an insulating filling layer 3 is filled inside the insulating layer 4, a fire-proof layer 5 is disposed outside the insulating layer 4, a first waterproof layer 6 is disposed on one side of the fire-proof layer 5 away from the insulating layer 4, a reinforcing structure 7 is disposed on the other side of the first waterproof layer 6, the reinforcing structure 7 includes a support ring 71 and elastic metal strips 72, the support rings 71 are disposed in a plurality of numbers and are uniformly distributed inside the cable outer layer 9, the elastic metal strips 72 are disposed between the support rings 71, a second waterproof layer 8 is disposed on the opposite side of the support ring 71, and a wear-resistant layer 10 is disposed on the outer surface of the cable outer layer 9, the reinforcing ribs 11 are arranged inside the wear-resistant layer 10, the cable has good bending resistance and recovery performance through the arrangement of the support ring 71 and the elastic metal strips 72, the cable can automatically recover to the original shape after being bent, the strength and the impact resistance inside the cable are increased, and the wire cores inside the cable are protected.

Referring to fig. 2 and 3, the number of the elastic metal strips 72 is several, and they are annularly distributed between the support rings 71, the support rings 71 are made of polyetheretherketone, the elastic metal strips 72 are made of platinum-nickel alloy, the support rings 71 can support the inside of the cable to increase the strength of the cable, and the elastic metal strips 72 have good toughness and elasticity, and can automatically recover to the original shape after being bent to improve the protection effect on the cable core.

Referring to fig. 1 and 2, the cross section of the wear-resistant layer 10 is trapezoidal, the wear-resistant layer 10 is annularly distributed outside the outer layer 9 of the cable, the wear-resistant layer 10 and the outer layer 9 of the cable are both made of wear-resistant rubber, the reinforcing ribs 11 are made of metal fibers, and the wear-resistant rubber enables the outer surface of the cable to have good wear resistance through the arrangement of the wear-resistant layer 10 and the reinforcing ribs 11, and the metal fibers have high strength, can resist bending and have good toughness, so that the tensile resistance of the cable is further improved.

Please refer to fig. 2 and 3, the first waterproof layer 6 is made of polyethylene film waterproof roll, the second waterproof layer 8 is disposed between the elastic metal strips 72, and the second waterproof layer 8 is made of water-swelling rubber water stop, through the arrangement of the first waterproof layer 6 and the second waterproof layer 8, when the cable outer layer 9 is broken, the corrosion of external rainwater or humid air to the inner wire core can be effectively prevented, and the water-swelling rubber water stop can expand and seal the broken position.

Referring to fig. 2, the heat insulating layer 4 is made of phenolic foam, the fireproof layer 5 is made of unsaturated polyester, the heat insulating layer 4 is arranged, the influence of the external environment on the inner wire core is reduced, the wire core is kept in a normal working state, and the fireproof effect of the cable is improved through the arrangement of the fireproof layer 5.

Referring to fig. 1, corrosion-resistant coatings are coated on the surfaces of the outer layer 9 and the wear-resistant layer 10 of the cable, and the corrosion-resistant coatings are phenolic resin coatings, so that the cable has a good corrosion-resistant effect, and the service life of the cable is further prolonged.

The working principle is as follows: when the cable is used, the support ring 71 can support the inside of the cable, when the cable is impacted or trampled, the wire core inside the cable can be protected to prevent damage to the wire core, when the cable needs to be bent, the elastic metal strip 72 between the support rings 71 is deformed, and then the elastic metal strip 72 automatically restores to the original shape to keep the cable vertical, the outer wear-resistant layer 10 can protect the outer surface of the cable to ensure that the surface of the cable has good wear resistance, and the cable has good tensile resistance and tearing resistance through matching with the reinforcing ribs 11 to effectively prevent the cable from being torn and broken, a water source and humid air can be isolated through the first waterproof layer 6 and the second waterproof layer 8, the heat-insulating layer 4 can prevent the external temperature from being too high to influence the work of the inner wire core, and the influence of the external temperature on the cable is effectively reduced, and the fireproof layer 5 enables the cable to have good flame retardant capability, and the safety of the cable is greatly improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 resistant crooked type cable of tensile, includes wire (1) and cable skin (9), its characterized in that: the number of the wires (1) is four, the wires are located inside an outer layer (9) of the cable, an insulating layer (2) wraps the outer portion of each wire (1), a heat insulating layer (4) is arranged outside each wire (1), an insulating filling layer (3) is filled inside each heat insulating layer (4), a fireproof layer (5) is arranged outside each heat insulating layer (4), a first waterproof layer (6) is arranged on one side, away from the heat insulating layer (4), of each fireproof layer (5), a reinforcing structure (7) is arranged on the other side of each first waterproof layer (6), each reinforcing structure (7) comprises support rings (71) and elastic metal strips (72), the support rings (71) are distributed inside the outer layer (9) of the cable uniformly, the elastic metal strips (72) are arranged between the support rings (71), and a second waterproof layer (8) is arranged on one opposite side of each support ring (71), the cable is characterized in that a wear-resistant layer (10) is arranged on the outer surface of the outer cable layer (9), and reinforcing ribs (11) are arranged inside the wear-resistant layer (10).

2. The tension and bending resistant cable according to claim 1, wherein: the number of the elastic metal strips (72) is a plurality, the elastic metal strips are annularly distributed among the support rings (71), the support rings (71) are made of polyether-ether-ketone, and the elastic metal strips (72) are made of platinum-nickel alloy.

3. The tension and bending resistant cable according to claim 1, wherein: the cross-section of wearing layer (10) is trapezoidal, and wearing layer (10) annular distribution is in the outside of cable skin (9), the material of wearing layer (10) and cable skin (9) is wear-resisting rubber, the material of strengthening rib (11) is metal fiber.

4. The tension and bending resistant cable according to claim 1, wherein: the material of first waterproof layer (6) is polyethylene film waterproofing membrane, second waterproof layer (8) set up between elastic metal strip (72).

5. The tension and bending resistant cable according to claim 1, wherein: the heat-insulating layer (4) is phenolic foam, and the fireproof layer (5) is made of unsaturated polyester.

6. The tension and bending resistant cable according to claim 1, wherein: and the surfaces of the cable outer layer (9) and the wear-resistant layer (10) are coated with corrosion-resistant coatings, and the corrosion-resistant coatings are phenolic resin coatings.