Breakthrough-resistant flexible rubber cable

Abstract

The utility model discloses a breakdown-resistant flexible rubber cable. The breakdown-resistant flexible rubber cable comprises a conductor, an inner insulating layer is arranged outside the conductor, an inner shielding layer is arranged outside the inner insulating layer, a flexible armor layer is arranged outside the inner shielding layer, the flexible armor layer is composed of a fiber braid layer and an elastic metal net, a high-temperature-resistant layer is arranged outside the flexible armor layer, and an outer shielding layer is arranged outside the high-temperature-resistant layer. The high-temperature-resistant layer is composed of a base layer and a reinforcing layer, the composite anti-breakdown layer is arranged outside the high-temperature-resistant layer, the composite anti-breakdown layer is composed of a reinforcing layer, a fiber interwoven layer and a gradient density insulating layer, and the problem that the rubber cable is poor in anti-breakdown performance is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber cable technical field, concretely is a kind of flexible rubber cable of withstanding breakdown. BACKGROUND

[0002] Flexible rubber cable is a kind of special cable widely used in various fields, it uses high-quality rubber material as sheath and insulation layer, with excellent flexibility, wear resistance, corrosion resistance and high temperature resistance. This cable is usually used in occasions that need to be frequently moved, bent or bear high mechanical load, such as mechanical equipment, automation system, robot arm, mobile device, etc.

[0003] For example, the Chinese authorized patent "a flexible cable" with announcement number 202122404618.2 includes cable body, and the cable body includes: protective layer;A plurality of flexible pipes;A plurality of wires, the wire includes conductive wire core and insulating layer wrapped outside the conductive wire core;Wherein, the wire and flexible pipe are all arranged in the protective layer, and the flexible pipe is filled with insulating oil.

[0004] The above-mentioned prior art in the field of industrial automation, transportation, petroleum chemical industry, cable often needs to bear high temperature, high pressure, strong corrosion and other extreme conditions, and frequent bending and movement, which may cause damage to the cable insulation layer, and further cause breakdown accident, so it does not meet the existing demand, for this, we propose a kind of flexible rubber cable of withstanding breakdown. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of flexible rubber cable of withstanding breakdown to solve the problem of poor breakdown resistance of rubber cable in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of flexible rubber cable of withstanding breakdown, including conductor;The outer portion of the conductor is provided with inner insulation layer, the outer portion of the inner insulation layer is provided with inner shielding layer, the outer portion of the inner shielding layer is provided with flexible armor layer, the flexible armor layer is composed of fiber braided layer and elastic metal net, the outer portion of the flexible armor layer is provided with high temperature resistant layer, the high temperature resistant layer is composed of base layer and reinforcing layer, the outer portion of the high temperature resistant layer is provided with composite breakdown resistance layer, the composite breakdown resistance layer is composed of reinforcing layer, fiber interlaced layer and gradient density insulation layer.

[0007] Preferably, the conductor is twisted by multiple copper filaments, the inner insulation layer is wrapped on the outer portion of the conductor by extrusion process, and the inner shielding layer is braided on the outer wall of the inner insulation layer.

[0008] Preferably, the conductor, inner insulation layer and inner shielding layer constitute the cable core.

[0009] Preferably, the fiber woven layer is woven in a plain weave and is woven on the outer wall of the inner shielding layer, and the elastic metal mesh is spirally wound on the outer wall of the fiber woven layer.

[0010] Preferably, the base layer is wrapped on the outside of the elastic metal mesh through an extrusion process, and the reinforcing layer is spirally wound on the outside of the base layer.

[0011] Preferably, the reinforcing layer is wrapped on the outer wall of the reinforcing layer through an extrusion process, the fiber interwoven layer is meshed and wound on the outside of the reinforcing layer, and the gradient density insulation layer is wrapped on the outside of the fiber interwoven layer through a three-layer co-extrusion device.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、The utility model discloses a composite anti-breakdown layer, the common action of reinforcing layer and high elasticity fiber interwoven layer makes the cable when being impacted from outside or high -voltage electric field, can effectively disperse and absorb energy, prevents the breakdown of cable inside, the design of gradient density insulation layer makes the cable has higher electrical insulation performance under high -voltage environment, reduces the risk of failure due to electrical breakdown, the introduction of high elasticity fiber interwoven layer makes the cable still can keep excellent flexibility and wear resistance under the complex working conditions such as bending, stretching, prolongs the service life of cable, the introduction of composite anti-breakdown layer not only improves the anti -breakdown ability and electrical insulation performance of cable, also optimizes the flexibility and wear resistance of cable, makes the cable can keep excellent performance under a plurality of complex working conditions.

[0014] 2、The utility model discloses a multilayer high -temperature -resistant structure and uses high -performance high -temperature -resistant material, can improve the high -temperature -resistant performance of flexible rubber cable significantly.This makes the cable can work stably for a long time under high -temperature environment, prolongs the service life, not only provides high -temperature protection, can also enhance the overall structural stability of cable.In high temperature, the material in the cable can expand or shrink, and cause structural deformation.The high -temperature -resistant layer can absorb these deformations and maintain the stability of the cable structure.

[0015] 3、The utility model discloses a flexible armored layer, micro -fiber woven layer and elastic metal mesh layer's common action significantly improves the mechanical strength of cable, makes it can resist external impact, extrusion and wear and tear, prolongs the service life of cable, the fineness and weaving mode of micro -fiber and elastic metal wire make the armored layer provide strength while not significantly reduce the flexibility of cable, keep the good performance of cable under the complex working conditions such as bending, twisting. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the perspective view of the utility model;

[0017] Figure 2 It is the internal structure schematic view of the utility model;

[0018] Figure 3 It is the flexible armored layer structure schematic view of the utility model;

[0019] Figure 4 It is the high temperature resistant layer structure schematic view of the utility model;

[0020] Figure 5 It is the reinforcing layer structure schematic view of the utility model.

[0021] In the drawing: 1, conductor; 2, inner insulation layer; 3, inner shielding layer; 4, flexible armored layer; 41, fiber braiding layer; 42, elastic metal net; 5, high temperature resistant layer; 51, base layer; 52, reinforcing layer; 6, composite anti-breakdown layer; 61, reinforcing layer; 62, fiber interlaced layer; 63, gradient density insulation layer. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Please refer to Figures 1-5 The utility model provides an embodiment: an anti-breakdown flexible rubber cable, including conductor 1, the outside of conductor 1 is provided with inner insulation layer 2, the outside of inner insulation layer 2 is provided with inner shielding layer 3, the outside of inner shielding layer 3 is provided with flexible armored layer 4, and flexible armored layer 4 is composed of fiber braiding layer 41 and elastic metal net 42, the outside of flexible armored layer 4 is provided with high temperature resistant layer 5, and high temperature resistant layer 5 is composed of base layer 51 and reinforcing layer 52, the outside of high temperature resistant layer 5 is provided with composite anti-breakdown layer 6, and composite anti-breakdown layer 6 is composed of reinforcing layer 61, fiber interlaced layer 62 and gradient density insulation layer 63.

[0024] Please refer to Figure 1 And Figure 2 Conductor 1 is twisted by multiple copper filaments, inner insulation layer 2 is wrapped on the outside of conductor 1 by extrusion process, inner shielding layer 3 is woven on the outer wall of inner insulation layer 2, and conductor 1, inner insulation layer 2 and inner shielding layer 3 form the cable core of the cable, and conductor 1 is twisted by multiple copper filaments to increase the flexibility and mechanical strength of the conductor; inner insulation layer 2 is made of silicone rubber to improve the insulation of the conductor; inner shielding layer 3 is made of copper woven net to prevent electromagnetic interference and improve the transmission quality of the cable to reduce the radiation and interference of electromagnetic waves.

[0025] Please refer to Figure 1 、 Figure 2 And Figure 3, the fiber woven layer 41 is woven with plain weave, and is woven on the outer wall of the inner shielding layer 3, and the elastic metal net 42 is spirally wound on the outer wall of the fiber woven layer 41, the fiber woven layer 41 is nylon microfiber, and is woven with plain weave, the fineness of the microfiber enables the woven layer to provide strength while not significantly increasing the diameter of the cable or reducing the flexibility of the woven layer; the elastic metal net 42 is made of stainless steel material, which not only enhances the tensile strength and tear resistance of the cable, but also maintains the shape stability and recovery of the cable when bending through its elastic properties.

[0026] Please refer to Figure 1 , Figure 2 and Figure 4 , the base layer 51 is wrapped outside the elastic metal net 42 by extrusion process, and the reinforcing layer 52 is spirally wound outside the base layer 51, the base layer 51 is silicone rubber, which can maintain stable physical and chemical properties at high temperature. In addition, silicone rubber also has good insulation performance and flexibility, which is suitable for high temperature resistant layer of cable; the reinforcing layer 52 adopts glass fiber material, which can maintain stable structure at extremely high temperature, and is woven on the base high temperature resistant layer, which can further improve the high temperature resistance of the cable.

[0027] Please refer to Figure 1 , Figure 2 and Figure 5 , the reinforcing layer 61 is wrapped outside the reinforcing layer 52 by extrusion process, the fiber interwoven layer 62 is net-like wound outside the reinforcing layer 61, and the gradient density insulation layer 63 is wrapped outside the fiber interwoven layer 62 by three-layer co-extrusion equipment, the reinforcing layer 61 is composed of rubber base material and uniformly dispersed nanoparticles. The introduction of nanoparticles can significantly improve the mechanical properties and electrical insulation properties of rubber, and at the same time enhance the anti-breakdown ability of the cable; the fiber interwoven layer 62 is formed by interweaving high-elasticity polyester fiber, forming a net-like structure, which not only improves the flexibility and wear resistance of the cable, but also effectively disperses and absorbs external impact force, preventing the internal damage of the cable due to mechanical stress; the gradient density insulation layer 63 adopts gradient density design, that is, the density of the insulation material gradually increases from inside to outside. This design can effectively improve the electrical insulation performance of the cable, and at the same time enhance the anti-breakdown ability of the cable in high voltage environment.

[0028] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A flexible rubber cable resistant to puncture, comprising a conductor (1); characterized in that: The conductor (1) is externally provided with an inner insulation layer (2), the outer side of the inner insulation layer (2) is provided with an inner shielding layer (3), the outer side of the inner shielding layer (3) is provided with a flexible armor layer (4), the flexible armor layer (4) is composed of a fiber braided layer (41) and an elastic metal mesh (42), the outer side of the flexible armor layer (4) is provided with a high-temperature-resistant layer (5), the high-temperature-resistant layer (5) is composed of a base layer (51) and a reinforcing layer (52), the outer side of the high-temperature-resistant layer (5) is provided with a composite anti-breakdown layer (6), the composite anti-breakdown layer (6) is composed of a reinforcing layer (61), a fiber interlaced layer (62) and a gradient density insulation layer (63); the gradient density insulation layer (63) is wrapped outside the fiber interlaced layer (62) through a three-layer co-extrusion device; the fiber braided layer (41) is interlaced in a plain weave and is braided on the outer wall of the inner shielding layer (3), the elastic metal mesh (42) is spirally wound on the outer wall of the fiber braided layer (41); the base layer (51) is wrapped outside the elastic metal mesh (42) through an extrusion process, and the reinforcing layer (52) is spirally wound outside the base layer (51).

2. A flexible rubber cable resistant to puncture according to claim 1, characterized in that: The conductor (1) is composed of a plurality of twisted copper filaments, the inner insulation layer (2) is wrapped outside the conductor (1) through an extrusion process, and the inner shielding layer (3) is braided on the outer wall of the inner insulation layer (2).

3. A flexible rubber cable resistant to puncture as defined in claim 1, characterized in that: The conductor (1), the inner insulation layer (2) and the inner shielding layer (3) constitute the core of the cable.

4. A flexible rubber cable resistant to puncture as defined in claim 1, characterized in that: The reinforcing layer (61) is wrapped outside the reinforcing layer (52) through an extrusion process, the fiber interlaced layer (62) is net-like wound outside the reinforcing layer (61), and the gradient density insulation layer (63) is wrapped outside the fiber interlaced layer (62) through a three-layer co-extrusion device.

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