CN223321043U - Elastomer sheathed cable - Google Patents

Abstract

The present invention relates to the technical field of cables, specifically to an elastomeric sheathed cable, comprising a plurality of core groups and protective devices, wherein the outer surfaces of the plurality of core groups are provided with inner sheaths, the surfaces of the plurality of inner sheaths are provided with outer sheaths, and the protective devices are provided on the surface of the outer sheaths, and the protective devices include a first rubber layer, an elastomeric sheath, a second rubber layer, a reinforced protective layer, and protective protrusions, which are arranged in sequence from the inside to the outside. The present invention, through the provision of the protective device, the polyurethane elastomer in the elastomeric sheath, the carbon fiber layer and the support composed of the resin, and the steel wire braided layer in the reinforced protective layer work together to improve the overall compression and tensile strength of the cable, enhance its stability, and make it less likely to be deformed or damaged under various external forces, thereby improving the overall service life of the cable.

Description

Elastomer sheath cable

Technical Field

The utility model relates to the technical field of cables, in particular to an elastomer sheath cable.

Background

The cable is a wire product for transmitting electric energy, information and realizing electromagnetic energy conversion, and is usually formed by combining one or more mutually insulated wires, wherein each group of wires are mutually insulated, and the cable can be divided into a plurality of types such as a power cable, a control cable, a communication cable, a radio frequency cable and the like according to different purposes, environments and performance requirements, and the elastomer sheath cable is a cable using an elastomer material as a sheath.

The utility model such as CN202178098U in the prior art discloses a flame-retardant thermoplastic polyurethane elastomer sheath cable, which comprises four conductors, wherein insulating layers are respectively wrapped outside the four conductors, the four conductors wrapping the insulating layers are longitudinally placed in parallel, a wrapping layer is wrapped outside the insulating layers of the four conductors, a sheath layer is formed by extrusion molding on the outer side of the wrapping layer, a plurality of through holes are distributed along the annular direction in the sheath layer, the wrapping layer is formed by wrapping a plurality of layers of non-woven fabrics, the wrapping lap rate is not less than 35 percent, the flame-retardant thermoplastic polyurethane elastomer sheath material which is selected for the cable sheath layer has a buffering function when being extruded, the tensile strength and the wear resistance are far superior to those of other sheath materials, and the tear strength, the low-temperature flexibility resistance, the oil resistance, the ageing resistance and the like are also very outstanding, so that the problem that the conventional halogen-free low-smoke flame-retardant polyolefin sheath material has poor wear resistance, is easy to crack at low temperature and easy to separate out at high temperature and the use environment is limited to a certain extent.

In daily work, the existing elastomer sheath cable has some problems in the use process, the whole compression and tension effects are poor, deformation is easy to occur under the action of pressure or tension, and the deformation is not easy to recover after long-time stress, so that the internal structure of the cable is damaged, the electrical performance and transmission stability of the cable are influenced, and the like, so that the normal use of the cable is influenced.

Disclosure of utility model

The utility model aims to solve the defect of poor compression and tensile effects in the prior art, and provides an elastomer sheath cable.

In order to achieve the aim, the elastic body sheath cable comprises a plurality of groups of cores and a protective device, wherein an inner sleeve body is arranged on the outer surface of each group of cores, an outer sleeve body is arranged on the surface of each group of inner sleeve bodies, the protective device is arranged on the surface of each outer sleeve body, the protective device comprises a first adhesive layer, an elastic body sheath body, a second adhesive layer, a reinforcing protective layer and protective protruding points, the first adhesive layer, the elastic body sheath body, the second adhesive layer, the reinforcing protective layer and the protective protruding points are sequentially arranged from inside to outside, the elastic body sheath body comprises a polyurethane elastomer and a plurality of supporting bodies, the supporting bodies are uniformly distributed in the inner wall of the polyurethane elastomer, and the reinforcing protective layer comprises a steel wire woven layer and a polyurethane insulating layer.

Preferably, the support body comprises a carbon fiber layer and resin, through the components, the support body made of the carbon fiber layer and the resin can provide good support in the polyurethane elastomer through the high strength of the carbon fiber layer, and the elasticity of the resin can enable the support column to rebound rapidly after being stressed.

Preferably, the steel wire braiding layers are braided together in a plain weaving mode among steel wires, 40-60 steel wires can be braided per square centimeter, the diameter of each steel wire is 0.1-0.5 mm, and through the components, the steel wire braiding layers have high tensile strength, and when a cable is subjected to tensile force, the steel wire braiding layers can effectively share and bear the tensile force, so that the cable is prevented from being elongated or broken.

Preferably, the number of the protection convex points is multiple, and the plurality of the protection convex points are uniformly distributed on the surface of the reinforced protection layer.

Preferably, the protective salient points are made of ultra-high molecular weight polyethylene materials, and the ultra-high molecular weight polyethylene materials are used as the materials of the protective salient points through the components, so that the protective salient points have extremely high wear resistance and can remarkably improve the overall wear resistance.

Preferably, the first adhesive layer and the second adhesive layer are made of polyurethane adhesive materials, and the components have good cohesiveness, elasticity and water resistance, can provide stronger cohesive force, and can keep stable performance in a wider temperature range.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. According to the utility model, through the arrangement of the protective device, the polyurethane elastomer in the elastomer sheath body, the support body composed of the carbon fiber layer and the resin and the reinforced steel wire braiding layer in the protective layer are combined, the whole compressive and tensile capacities of the cable can be improved, the stability of the cable is enhanced, and the cable is not easy to deform or damage under the action of various external forces, so that the service life of the whole cable is prolonged.

2. According to the utility model, the polyurethane insulating layer enhances the insulating property, prevents current leakage, and ensures the safety and stability of electric energy or signal transmission.

3. According to the utility model, the wear resistance of the cable is improved by the protective salient points made of the ultra-high molecular weight polyethylene material, so that external friction is effectively resisted.

Drawings

Fig. 1 is a schematic perspective view of an elastomer sheathed cable according to the present utility model;

FIG. 2 is a schematic cross-sectional view of an elastomer sheathed cable according to the present utility model;

Fig. 3 is a schematic view showing a partially cut-away structure of a protective device for an elastomer-sheathed cable according to the present utility model.

Legend description:

1. The protective device comprises an outer sleeve body, an inner sleeve body, a core body, a protective device, 41, an elastomer sheath body, 411, a polyurethane elastomer, 412, a support body, 4121, a carbon fiber layer, 4122, resin, 42, a reinforced protective layer, 421, a steel wire braiding layer, 422, a polyurethane insulating layer, 43, protective protruding points, 44, a first adhesive layer and 45, a second adhesive layer.

Detailed Description

Referring to fig. 1-3, the utility model provides an elastomer sheathed cable, which comprises a plurality of groups of cores 3 and a protecting device 4, wherein an inner sleeve 2 is arranged on the outer surface of the plurality of groups of cores 3, an outer sleeve 1 is arranged on the surface of the plurality of inner sleeves 2, the protecting device 4 is arranged on the surface of the outer sleeve 1, the protecting device 4 comprises a first adhesive layer 44, an elastomer sheath 41, a second adhesive layer 45, a reinforcing protecting layer 42 and a protecting salient point 43, the first adhesive layer 44, the elastomer sheath 41, the second adhesive layer 45, the reinforcing protecting layer 42 and the protecting salient point 43 are sequentially arranged from inside to outside, the elastomer sheath 41 comprises a polyurethane elastomer 411 and a plurality of supporting bodies 412, the supporting bodies 412 are uniformly distributed in the inner wall of the polyurethane elastomer 411, and the reinforcing protecting layer 42 comprises a steel wire woven layer 421 and a polyurethane insulating layer 422.

In the embodiment, by arranging the protection device 4, the polyurethane elastomer 411 in the elastomer sheath body 41, the supporting body 412 formed by the carbon fiber layer 4121 and the resin 4122 and the steel wire weaving layer 421 in the reinforced protection layer 42 are combined to function together, so that the whole compressive and tensile capacities of the cable can be improved, the stability of the cable is enhanced, and the cable is not easy to deform or damage under the action of various external forces, thereby prolonging the service life of the whole cable.

Specifically, the support body 412 includes a carbon fiber layer 4121 and a resin 4122, and the support body 412 made of the carbon fiber layer 4121 and the resin 4122 can provide good support in the polyurethane elastomer 411 through the high strength of the carbon fiber layer 4121, and the elasticity of the resin 4122 can enable the support post to rebound rapidly after being stressed.

Specifically, the steel wire braiding layers 421 are braided together in a plain weave manner between steel wires, 40-60 steel wires can be braided per square centimeter, and the diameters of the steel wires are 0.1-0.5 mm.

In this embodiment, the wire braid 421 has a high tensile strength, and when the cable is subjected to tensile forces, the wire braid 421 can effectively share and withstand these tensile forces, preventing the cable from being elongated or broken.

Specifically, the number of the protective bumps 43 is plural, and the plurality of protective bumps 43 are uniformly distributed on the surface of the reinforcing protective layer 42.

Specifically, the protective bump 43 is made of an ultra-high molecular weight polyethylene material, and the ultra-high molecular weight polyethylene material is used as the material of the protective bump 43, so that the protective bump has extremely high wear resistance and can remarkably improve the overall wear resistance.

Specifically, the first adhesive layer 44 and the second adhesive layer 45 are made of polyurethane adhesive materials.

In this embodiment, the first adhesive layer 44 and the second adhesive layer 45 are made of polyurethane adhesive material, have good adhesion, elasticity and water resistance, can provide stronger adhesion, and can maintain stable performance in a wider temperature range.

When the cable is used, the elastomer sheath body 41 is adhered to the outer sleeve body 1 through the first adhesive layer 44 made of polyurethane adhesive material, the reinforced protective layer 42 is adhered to the elastomer sheath body 41 through the second adhesive layer 45 made of polyurethane adhesive material, the polyurethane elastomer 411 in the elastomer sheath body 41, the carbon fiber layer 4121 and the plurality of supporting bodies 412 formed by resin 4122 and the steel wire braiding layers 421 in the reinforced protective layer 42 act together, the steel wire braiding layers 421 are braided together in a plain weave mode among steel wires, 40-60 steel wires can be braided every square centimeter, the diameters of the steel wires are 0.1-0.5 mm, the whole compression resistance and tensile resistance of the cable are improved, the stability of the cable is enhanced, the cable is not easy to deform or damage under the action of various external forces, the service life of the whole cable is prolonged, the insulation performance is enhanced through the polyurethane insulation layer 422, the safety and stability of electric energy or signal transmission are ensured, and the wear resistance of the cable is effectively resisted through the protective salient points 43 made of ultra-high molecular weight polyethylene material.

Claims (6)

1. The utility model provides an elastomer sheath cable, includes multiunit core (3) and protector (4), its characterized in that multiunit the surface of core (3) is provided with interior sleeve body (2), and a plurality of the surface of interior sleeve body (2) is provided with overcoat body (1), protector (4) set up on the surface of overcoat body (1), protector (4) include first glue film (44), elastomer sheath body (41), second glue film (45), reinforcing protection layer (42), protection bump (43), first glue film (44), elastomer sheath body (41), second glue film (45), reinforcing protection layer (42), protection bump (43) set gradually from inside to outside, elastomer sheath body (41) include polyurethane elastomer (411) and a plurality of supporter (412), a plurality of supporter (412) evenly distributed are in the inner wall of polyurethane elastomer (411), reinforcing protection layer (42) include steel wire weaving layer (421) and polyurethane insulating layer (422).

2. An elastomer sheathed cable according to claim 1 wherein the support (412) comprises a carbon fiber layer (4121) and a resin (4122).

3. An elastomer sheathed cable according to claim 1 wherein said wire braid (421) is woven together by plain weave between wires, 40-60 wires can be woven per square centimeter, the diameter of the wires being 0.1-0.5 mm.

4. An elastomer sheathed cable according to claim 1, wherein the number of the protective bumps (43) is plural, and the protective bumps (43) are uniformly distributed on the surface of the reinforcing protective layer (42).

5. An elastomer sheathed cable according to claim 1 wherein said protective bumps (43) are ultra high molecular weight polyethylene material.

6. An elastomer sheathed cable according to claim 1 wherein said first and second layers (44, 45) are of polyurethane adhesive material.