CN217982880U

CN217982880U - Wear-resistant tensile 5-core shielded cable

Info

Publication number: CN217982880U
Application number: CN202222017247.7U
Authority: CN
Inventors: 蔡长威; 刘书鑫; 李清华; 吴英俊; 王礼国
Original assignee: Zhejiang Yuantong Wire and Cable Manufacturing Co Ltd
Current assignee: Zhejiang Yuantong Wire and Cable Manufacturing Co Ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-12-06
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses a 5 core shielded cable of wear-resisting type stretch-proofing, keep mutual interval and transposition formation cable core jointly through big font crosslinked fluororubber isolation core frame including two control core and three power sinle silk, the outer diameter ratio of control core and power sinle silk is 1.15 to 1.3, the outside cladding of cable core has aramid fiber twisted wire outer winding layer in proper order, the PET resin area is around the covering, shield netted conductive layer, the nylon area is around the covering, polyvinyl chloride restrictive coating and EVA wear-resisting oversheath layer, the control sinle silk includes that two insulation core pair twists and constitute the control line core, the outside aramid fiber cladding in proper order of control line core has twisted wire inner winding layer, iron powder polypropylene resin composite winding layer and foaming fluororesin layer, the power sinle silk includes the crowded package insulating layer of second inner conductor and PFA around the covering. The cable core has the advantages of balanced structure, excellent tensile resistance and better wear resistance, effectively prevents the sheath from cracking, and is durable in use.

Description

Wear-resistant tensile 5-core shielded cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a stretch-proofing 5 core shielded cable of wear-resisting type.

Background

In an automated industrial production line, communication cables are often used for robots, mobile drive systems, and the like. The communication cable is required to have good flexibility, shielding performance, and electrical characteristics for long-distance transmission. However, in a normal working environment, the cable needs to be repeatedly bent, the core and wire breaking phenomenon is easily caused by insufficient tensile strength of the cable, so that the shielding effect is unstable, the electrical characteristics are affected, and the cable is wound and abraded along with continuous operation of equipment, so that the sheath is easily abraded and cracked, the safety and reliability of the cable are affected, and the durability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art not enough, the technical problem that solve provides a wear-resisting type stretch-proofing 5 core shielded cable, and the cable core structure is balanced, and flexible performance is better, and stretch-proofing performance is excellent, and the conductor is difficult for appearing disconnected core broken string, and wear resistance is better, prevents effectively that the crust ftractures, durable use.

The utility model discloses a make above-mentioned technical problem solve through following technical scheme.

Wear-resisting tensile 5 core shielded cable of type, keep mutual interval and transposition formation cable core jointly including two control core and three power sinle silk through big font crosslinked fluororubber isolation core frame, the control core with the outer diameter ratio of power sinle silk is 1.15 to 1.3, the cable core outside has outer winding layer of aramid fiber twist thread, PET resin area around covering, shielding mesh conductor layer, nylon area around covering, polyvinyl chloride restrictive coating and the wear-resisting oversheath layer of EVA in proper order, the control core includes that two insulation core pair twists constitution control core, insulation core includes the crowded package insulating layer of first inner conductor and fluororesin, the outside cladding of control core has aramid fiber twist thread inner winding layer, iron powder polypropylene resin complex winding layer and foamed fluororesin around the covering in proper order, the power sinle silk includes second inner conductor and crowded package insulating layer of PFA.

Preferably, the thickness of the cross-linked fluororubber isolating core frame is not less than 0.5mm.

Preferably, the first inner conductor and the second inner conductor are formed by concentrically twisting a plurality of tin-plated copper monofilaments with the diameter of 0.01mm to 0.04 mm.

Preferably, the thickness of the fluororesin extrusion insulating layer is 0.1mm to 0.3mm.

Preferably, the iron powder polypropylene resin composite winding layer is of an iron powder polypropylene resin composite belt one-way spiral lapping and covering wrapping structure.

Preferably, the shielding mesh conductor layer is formed by mixing and spirally winding two tinned copper wires with different wire diameters and a wire diameter ratio of 0.9-1, the wire diameter of each tinned copper wire is 0.01-0.04 mm, and the shielding density is 92-95%.

Preferably, the aramid fiber twisted wire outer winding layer and the aramid fiber twisted wire inner winding layer are aramid fiber twisted wire unidirectional spiral winding structures, the winding direction of the aramid fiber twisted wire outer winding layer is opposite to the twisting direction of the cable core, and the winding direction of the aramid fiber twisted wire inner winding layer is opposite to the twisting direction of the control wire core.

Preferably, the thickness of the nylon tape wrapping layer is not less than 0.2mm.

Preferably, the thickness of the polyvinyl chloride sheath layer is 0.45mm to 2.8mm.

Preferably, the thickness of the EVA wear-resistant outer sheath layer is 0.1mm to 0.3mm.

The utility model has the advantages that:

1. the cable core structure is balanced to be a circular section, the ratio of the outer diameters of the cable cores to the outer diameters of the power cable cores is optimized, the special structural design of the large-shaped cross-linked fluororubber isolating core frame is adopted, the special structural design is beneficial to bearing lateral pressure during bending, the flexibility of the cross-linked fluororubber isolating core frame is better, the stretch-resistant performance is excellent, the large-shaped cross-linked fluororubber isolating core frame can reduce the local stress concentration of the inner conductor of each cable core, the inner conductor is prevented from deforming and breaking, the safe and reliable electrical characteristics of the cable are guaranteed, and the cable is durable in use.

2. The outer portion of the polyvinyl chloride sheath layer is coated with the EVA wear-resistant outer sheath layer, so that the wear resistance of the cable sheath is effectively improved, the wear is inhibited, and the service life is prolonged.

3. The outer winding layer of aramid fiber twisted wire is coated outside the cable core, the winding direction of the outer winding layer of aramid fiber twisted wire is opposite to the cable core twisting direction, the cable core is prevented from being loose, the outer winding layer of aramid fiber twisted wire is coated outside the control wire core, the winding direction of the inner winding layer of aramid fiber twisted wire is opposite to the control wire core twisting direction, the control wire core is prevented from being loose, and the flexibility and the bending resistance of the control wire core are improved.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present application.

In the figure: the cable comprises a control wire core, an 11-insulating wire core, a 12-first inner conductor, a 13-fluororesin extruded insulating layer, a 14-aramid twisted wire inner winding layer, a 15-iron powder polypropylene resin composite winding layer, a 16-foamed fluororesin winding layer, a 2-power wire core, a 21-second inner conductor, a 22-PFA extruded insulating layer, a 3-crosslinked fluororubber isolating core frame, a 4-aramid twisted wire outer winding layer, a 5-PET resin tape winding layer, a 6-shielding mesh conductor layer, a 7-nylon tape winding layer, an 8-polyvinyl chloride sheath layer and a 9-EVA wear-resistant outer sheath layer.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1, the utility model discloses wear-resisting type stretch-proofing 5 core shielded cable of embodiment, keep mutual interval and jointly strand through big font crosslinked fluororubber isolation core frame 3 including two control core 1 and three power sinle silk 2 and form the cable core, it is preferred, crosslinked fluororubber isolation core frame 3 thickness is not less than 0.5mm. Control sinle silk 1 with power sinle silk 2's external diameter ratio is 1.15 to 1.3, the cable core outside has aramid fiber twisted wire outer winding layer 4, PET resin area in proper order around covering 5, shielding netted conductor layer 6, nylon area around covering 7, polyvinyl chloride restrictive coating 8 and the wear-resisting oversheath layer 9 of EVA, in an embodiment, aramid fiber twisted wire outer winding layer 4 is aramid fiber twisted wire unidirectional spiral around the package structure, aramid fiber twisted wire outer winding layer 4 around to with the cable core hank is opposite. In one embodiment, the shielding mesh conductor layer 6 is formed by mixing and spirally winding two kinds of tinned copper wires with different wire diameters and a wire diameter ratio of 0.9-1, wherein the wire diameter of the tinned copper wire is 0.01-0.04 mm, and the shielding density is 92-95%. Preferably, the thickness of the nylon tape wrapping layer 7 is not less than 0.2mm. Preferably, the thickness of the polyvinyl chloride sheathing layer 8 is 0.45mm to 2.8mm. Preferably, the thickness of the EVA wear-resistant outer sheath layer 9 is 0.1mm to 0.3mm.

The control wire core 1 comprises two insulated wire cores 11 which are twisted in pairs to form a control wire core body, the insulated wire cores 11 comprise a first inner conductor 12 and a fluororesin extrusion coating insulating layer 13, and specifically, the first inner conductor 12 is formed by concentrically twisting a plurality of tinned copper monofilaments with the diameters of 0.01mm to 0.04 mm. Preferably, the thickness of the fluororesin extrusion insulating layer 13 is 0.1mm to 0.3mm. The control line core body is externally coated with an aramid fiber twisted wire inner winding layer 14, an iron powder polypropylene resin composite winding layer 15 and a foaming fluororesin winding layer 16 in sequence, in one embodiment, the aramid fiber twisted wire inner winding layer 14 is an aramid fiber twisted wire unidirectional spiral winding structure, and the winding direction of the aramid fiber twisted wire inner winding layer 14 is opposite to the winding direction of the control line core body. In one embodiment, the iron powder polypropylene resin composite winding layer 15 is an iron powder polypropylene resin composite tape one-way spiral lapping and wrapping structure. The power wire core 2 comprises a second inner conductor 21 and a PFA extrusion insulation layer 22. Specifically, the second inner conductor 21 is formed by concentrically twisting a plurality of tinned copper monofilaments with the diameter of 0.01mm to 0.04 mm.

While the invention has been described with reference to exemplary embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the claims of the present application belong to the protection scope of the present invention.

Claims

1. Wear-resisting tensile 5 core shielded cable, characterized by: keep mutual interval and jointly strand through big font crosslinked fluororubber isolation core frame (3) and form the cable core including two control core (1) and three power core (2), control core (1) with the external diameter ratio of power core (2) is 1.15 to 1.3, the cable core outside has aramid yarn twisted wire outer winding layer (4), PET resin area around covering (5), shielding mesh conductor layer (6), nylon belt around covering (7), polyvinyl chloride restrictive coating (8) and EVA wear-resisting oversheath layer (9) in proper order, control core (1) includes that two insulation core (11) twist pair constitutes the control core, insulation core (11) include first inner conductor (12) and fluororesin crowded package insulating layer (13), the outside cladding of control core has aramid yarn twisted wire inner winding layer (14), iron powder polypropylene resin complex winding layer (15) and foaming fluororesin around covering (16) in proper order, power core (2) include second inner conductor (21) and crowded package insulating layer (22).

2. The abrasion resistant, stretch resistant 5-core shielded cable of claim 1, further characterized by: the thickness of the cross-linked fluororubber isolating core frame (3) is not less than 0.5mm.

3. The abrasion resistant, stretch resistant 5-core shielded cable of claim 1, characterized by: the first inner conductor (12) and the second inner conductor (21) are formed by concentrically twisting a plurality of tinned copper monofilaments with the diameter of 0.01mm to 0.04 mm.

4. The abrasion resistant, stretch resistant 5-core shielded cable of claim 1, further characterized by: the thickness of the fluororesin extruded insulation layer (13) is 0.1mm to 0.3mm.

5. The abrasion resistant, stretch resistant 5-core shielded cable of claim 1, further characterized by: the iron powder polypropylene resin composite winding layer (15) is of an iron powder polypropylene resin composite belt one-way spiral lapping and covering wrapping structure.

6. The abrasion resistant, stretch resistant 5-core shielded cable of claim 1, further characterized by: the shielding mesh conductor layer (6) is formed by spirally winding two tinned copper wires with different wire diameters and a wire diameter ratio of 0.9-1 in a mixed mode, the wire diameter of each tinned copper wire is 0.01-0.04 mm, and the shielding density is 92-95%.

7. The abrasion resistant, stretch resistant 5-core shielded cable of claim 1, further characterized by: the aramid fiber twisted wire outer winding layer (4) and the aramid fiber twisted wire inner winding layer (14) are aramid fiber twisted wire unidirectional spiral wrapping structures, the winding direction of the aramid fiber twisted wire outer winding layer (4) is opposite to the cable core twisting direction, and the winding direction of the aramid fiber twisted wire inner winding layer (14) is opposite to the control wire core twisting direction.

8. The abrasion resistant, stretch resistant 5-core shielded cable of claim 1, further characterized by: the nylon tape wrapping layer (7) is not less than 0.2mm in thickness.

9. The abrasion resistant, stretch resistant 5-core shielded cable of claim 1, further characterized by: the thickness of the polyvinyl chloride sheath layer (8) is 0.45mm to 2.8mm.

10. The abrasion resistant, stretch resistant 5-core shielded cable of claim 1, characterized by: the thickness of the EVA wear-resistant outer sheath layer (9) is 0.1mm to 0.3mm.