CN212342310U

CN212342310U - Reinforced shielding cable for movement

Info

Publication number: CN212342310U
Application number: CN202021341763.XU
Authority: CN
Inventors: 朱杭忠; 石磊; 卢柱; 刘亮; 赵明; 薛世鹏
Original assignee: ZHEJIANG WANMA GROUP SPECIAL ELECTRON CABLE CO Ltd
Current assignee: ZHEJIANG WANMA GROUP SPECIAL ELECTRON CABLE CO Ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-01-12
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a strenghthened type is shielded cable for removal. The cable comprises insulating core wires, a central tensile component, a high-strength wrapping tape, a mixed braided layer and an outer sheath, wherein the central tensile component is positioned in the center of the cable, a plurality of insulating core wires are arranged around the central tensile component as the center and are twisted into a cable, the high-strength wrapping tape is wound outside the cable, the mixed braided layer is coated outside the high-strength wrapping tape, and the outer sheath is coated outside the mixed braided layer; the insulating core wire is only composed of a conductor positioned in the core layer and an insulating material coated outside the core layer. The utility model discloses can increase the holistic pull resistance of cable, increase cable bendability and eliminate the stranding stress simultaneously, reduce cable bend radius and improve crooked life-span, increase the holistic pull resistance of cable, it is more wear-resisting, the life-span is more permanent.

Description

Reinforced shielding cable for movement

Technical Field

The utility model relates to a cable for removal of wire and cable technical field, concretely relates to strenghthened type is removed and is used shielded cable.

Background

Electric wires and cables are used in various fields of production and life. The cable has wide application, and the requirements on the shape, the electrical property, the mechanical property, the color, the oil resistance, the water resistance, the acid and alkali resistance and the like of the cable are different according to different use occasions. With the development of society, the production is advanced. Be applied to industrial production equipment's such as industrial robot, engraver, welding machine a cable has a common characteristic: the cables are subjected to continuous cyclic reciprocating movements of bending and stretching during the operation of the equipment, and the cables rub against each other and are subjected to various degrees of acceleration and tension, and the cables are usually placed in a device called a drag chain box called a drag chain cable. The towline cable with shielding requirement is called reinforced mobile shielding cable.

The reinforced movable shielded cable can cause conductor or insulation damage after long-term operation, or the cable is seriously worn, and the main part is the copper mesh braided layer which can be firstly broken and damaged. Causing serious loss or potential safety hazard to production. Therefore, the reinforced movable shielding cable needs to be replaced frequently, the production cost and the labor cost are increased, and the working efficiency is reduced. The traditional reinforced mobile shielding cable adopts a structure formed by common control cables, an insulated core wire is easy to loosen in the operation process of the cable, the core wire is easy to break or damage, and especially, a braided shielding layer is damaged firstly, so that a signal is unstable and is difficult to find, and equipment failure is caused to influence production; or the cable is distorted and deformed, the cable is seriously abraded, potential safety hazards are caused by the distortion and deformation, and the expected service life of the reinforced movable shielding cable is shortened.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem existing in the background art, the utility model provides a flexible, wear-resisting, tensile, long life's strenghthened type is removed and is used shielded cable.

The utility model adopts the technical proposal that:

the utility model comprises an insulation core wire, a central tensile component, a high-strength wrapping layer, a mixed weaving layer and an outer sheath, wherein the central tensile component is positioned at the center of the cable, a plurality of insulation core wires are arranged around the central tensile component as the center and are twisted into a cable, the high-strength wrapping layer is wound outside the cable, the mixed weaving layer is coated outside the high-strength wrapping layer, and the outer sheath is coated outside the mixed weaving layer; the insulating core wire is only composed of a conductor positioned in the core layer and an insulating material coated outside the core layer.

The central tensile component is formed by extruding polyvinyl chloride (PVC) outside Kevlar wires.

The high-strength wrapping belt is formed by extruding a polyester material around the insulating core wire outside the cable core.

The mixed braided layer is formed by interweaving copper wires and Kevlar wire drawing KEVLAR in a mixed mode.

The outer sheath is made of polyvinyl chloride PVC.

The outer sheath is made of extrusion-type PVC outside the mixed braided layer.

The utility model has the advantages that:

the utility model discloses structural design is ingenious, the position of rational arrangement center tensile subassembly, and insulating heart yearn is with minimum pitch around the formula stranding of back-twist of center tensile subassembly, around package high strength band, copper wire + KEVLAR mixed weaving, PVC oversheath. The insulated core wire is untwisted around the central tensile component at a very small pitch to form a cable, so that the cable is softer and the insulated core wire cannot be broken; wrapping a high-strength wrapping tape; the copper wire and KEVLAR mixed braiding ensures the shielding requirement of the reinforced mobile shielding cable, improves the strength of the braided layer, ensures that the cable is not easy to damage in the movement process, and increases the overall tensile strength and tightness of the reinforced mobile shielding cable; the PVC of the PVC outer sheath is special high-strength and high-elongation PVC, so that the PVC outer sheath has excellent mechanical properties, wear resistance, oil resistance, corrosion resistance, chemical resistance, wear resistance and other properties, and is good in toughness and tear-resistant.

The cable is more flexible, wear-resistant, tensile and the like, and the service life of the reinforced mobile shielding cable is greatly prolonged.

Drawings

Fig. 1 is a schematic cross-sectional structure view of the reinforced mobile shielded cable of the present invention;

fig. 2 is the utility model discloses strenghthened type removes with shielded cable's weaving layer structure sketch map.

In the figure: 1. the cable comprises an insulating core wire, 2 a central tensile component, 3 a high-strength wrapping tape, 4 a mixed braided layer, 41 a copper wire, 42 a Kevlar, 5 and a PVC outer sheath.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the concrete implementation includes an insulation core wire 1, a central tensile component 2, a high-strength wrapping tape 3, a mixed braided layer 4 and an outer sheath 5, the central tensile component 2 is located at the center of the cable, a plurality of insulation core wires 1 are arranged around the central tensile component 2 as the center and are twisted into a cable, the high-strength wrapping tape 3 is wound outside the cable in an extruded mode, the high-strength wrapping tape 3 is wrapped with a circle of the mixed braided layer 4, and the mixed braided layer 4 is wrapped with the outer sheath in an extruded mode.

The insulated core wire 1 is composed of only a conductor located in the core layer and an insulating material located outside the core layer. The conductor is stranded by adopting extremely fine high-strength alloy copper wires, so that the flexibility is increased; the insulating material adopts ETFE fluoroplastic, ensures the insulating safety, and can ensure that the outer diameter of the insulating core wire 1 is very small.

The pitch of the insulated core wires 1 is 10 times the overall diameter formed by all the insulated core wires 1. The pitch of the insulated core wire 1 is a unit distance of a bending cycle after the insulated core wire 1 is twisted, that is, a distance between two bent wave crests. During cabling, the central tensile assembly 2 is arranged at the center of a cable core of the cable, the central tensile assembly is formed by wrapping PVC outside KEVLAR wires in an extruding mode, the insulating core wire 1 winds the central tensile assembly at a small pitch in a back-twisting mode to form the cable, the cable flexibility can be improved, cabling stress can be eliminated at the same time, the cable bending radius is reduced, and the bending life is prolonged.

The central tensile component 2 is formed by extruding polyvinyl chloride PVC outside Kevlar wires.

The high-strength tape 3 is formed by extruding a polyester material around the insulated core wire 1 outside the cable core. The high-strength wrapping belt is extruded outside the cable core, so that the cable core is compact, the whole cabled cable core is compact, and the appearance is round.

As shown in fig. 2, the hybrid braid 4 is formed by hybrid interlacing of a copper wire 41 and KEVLAR 42.

The strength is increased while the shielding requirement is met, so that the braided layer is firmer. The copper wire + KEVLAR is combined together on a doubling machine for manufacturing.

The outer sheath 5 is made of polyvinyl chloride PVC. In specific implementation, the PVC can adopt special high-strength and high-elongation PVC. Specifically, the outer sheath 5 is made by extruding and wrapping PVC outside the mixed braided layer 4.

The PVC outer sheath 5 is extruded and wrapped in a semi-extrusion mode outside the mixed braided layer 4, the appearance is round and neat, the cable is softer, wear-resistant and tensile, and the service life is longer.

In a preferable implementation, the conductor adopts IEC60228 class6 ultra-fine copper wires to increase flexibility; the insulating material adopts an insulating material with high tensile strength and large elongation to ensure the insulating safety; the central tensile component 2 increases the tensile strength of the whole cable; the insulating core wire 1 is untwisted at a very small pitch to form a cable, so that the cable flexibility is improved, the cable forming stress is eliminated, the cable bending radius is reduced, and the bending life is prolonged; wrap high strength band 3 around and can make the whole inseparabler of stranding cable core, use copper wire + KEVLAR to mix to weave 4 combination central tensile subassembly 2 holistic pull resistance of cable, form a whole when making the cable atress, adopt the crowded package PVC oversheath 5 of PVC material of high tensile strength and big elongation to make the cable softer, wear-resisting, tensile, the life-span is more permanent.

Some modifications and variations of the present invention are also intended to fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation. If the present invention discloses the above embodiments, the electric wire and cable with other structures obtained by adopting the same or similar structure is all within the protection scope of the present invention.

Claims

1. The utility model provides a strenghthened type is shielded cable for removal which characterized in that: the cable comprises insulation core wires (1), a central tensile component (2), high-strength wrapping strips (3), mixed braided layers (4) and an outer sheath (5), wherein the central tensile component (2) is located at the center of the cable, a plurality of insulation core wires (1) are arranged around the central tensile component (2) and are stranded into a cable, the high-strength wrapping strips (3) are wound outside the cable, the high-strength wrapping strips (3) are wrapped with a circle of mixed braided layers (4), and the outer sheath (5) is wrapped with the mixed braided layers (4); the insulating core wire (1) is only composed of a conductor positioned on the core layer and an insulating material coated outside the core layer.

2. The reinforced shield cable for mobile use according to claim 1, wherein:

the central tensile component (2) is formed by extruding polyvinyl chloride PVC outside Kevlar wires.

3. The reinforced shield cable for mobile use according to claim 1, wherein:

the high-strength wrapping tape (3) is formed by extruding and wrapping a polyester material around the insulating core wire (1) outside the cable core.

4. The reinforced shield cable for mobile use according to claim 1, wherein:

the mixed braided layer (4) is formed by interweaving copper wires (41) and Kevlar (42) in a mixed mode.

5. The reinforced shield cable for mobile use according to claim 1, wherein:

the outer sheath (5) is made of polyvinyl chloride PVC.

6. The reinforced shield cable for mobile use according to claim 1, wherein:

the outer sheath (5) is made by extruding PVC outside the mixed braided layer (4).