CN201331946Y - Field high-strength ultra-flexible cable - Google Patents

Abstract

The utility model discloses a high-strength ultra-flexible cable for field use, which comprises an outer protective layer, a steel wire braided layer, an inner lining layer, a core cable layer and a solid-core insulating buffer core arranged from outside to inside, and the solid-core insulating buffer core There are three concentric core cables evenly distributed around the core, and a concentric core cable with the same structure is spirally wound outside the three concentric core cables. Fillers are arranged between the three concentric core cables, and the fillers are composed of non-polar materials. ; The concentric core cable is composed of a conductor and an insulating layer, the conductor is formed by twisting multiple annealed copper wires, and the insulating layer is an elastic compound. The utility model is suitable for the installation and use of handling machinery, hoisting machinery, engineering machinery, and wharf lifting equipment that Henglu works in various harsh weather environments, and can also be used in special environments such as industrial water, deep wells, and sea water. Wear-resistant, anti-aging, tear-resistant, corrosion-resistant and other characteristics, strong tensile performance, suitable for frequent movement, compared with ordinary cables, the service life can be extended by 2 to 3 times.

Description

High-strength super-flexible cable for field use

Technical field:

The utility model designs a cable, in particular relates to a high-strength super-flexible cable for field use, and belongs to the field of electric wires and cables.

Background technique:

The flexible cable for field use in the prior art is mainly composed of outer sheath, tape, core cable and other structures from the outside to the inside. There are usually more than three core cables. The tensile force on the cable is very large, and the tensile strength of ordinary flexible cables for field use is insufficient, so the service life is very short.

Utility model content:

The technical problem to be solved by the utility model is: to provide a high-strength super-flexible cable for field use, which not only has very high strength, but also has better flexibility, and the service life can be extended by 2 to 3 times.

The technical scheme that the utility model takes for solving the technical problem is:

A high-strength ultra-flexible cable for field use, including an outer sheath, a steel wire braid, an inner lining, a core cable layer and a solid insulating buffer core arranged from the outside to the inside, and the solid insulating buffer core is evenly distributed with Three concentric core cables, a concentric core cable with the same structure is spirally wound outside the three concentric core cables, a filler is arranged between the three concentric core cables, and the filler is composed of non-polar materials.

The concentric core cable is composed of a conductor and an insulating layer, the conductor is formed by twisting multiple annealed copper wires, and the insulating layer is an elastic compound.

The inner lining layer is made of spun fiber material.

The outer sheath is composed of high-strength and wear-resistant sheath material, which is co-extruded by double layers.

The beneficial effects of the utility model are:

1. The high-strength super-flexible cable for field use of the present invention has a soft insulating solid buffer core in the center, and the conductive core is twisted from multiple soft copper wires, which has the advantages of softness and large carrying current; the conductive wire The core insulation layer is made of elastic compound, and is wound on the buffer core in a spiral form to enhance the softness and flexibility of the whole cable; a layer of steel wire braid is coated on the outer layer of the cable to further Strengthen the tensile strength of the entire cable, especially in the case of super long cables and frequent movement to resist damage to the cable by external force, and at the same time eliminate the damage to the cable by external stress; the double-layer co-extruded composite outer sheath has both High strength and softness, protect the cable core from damage.

2. The high-strength super-flexible cable for field use of this utility model is suitable for the installation and use of handling machinery, hoisting machinery, engineering machinery, and wharf lifting equipment that Henglu works in various harsh weather environments, and can also be installed on trailers In the chain, the central strengthening core of the cable can play a role of stress relief in the case of long-distance installation or extra tension; it can also be used in special environments such as industrial water, deep wells and sea water, etc., strong and elastic very high insulation The layer can absorb or buffer external impact and pressure to ensure that the conductive core is not damaged.

3. The high-strength ultra-flexible cable for field use of the utility model has the characteristics of wear resistance, aging resistance, tear resistance, and corrosion resistance compared with ordinary scraper cables. It has strong tensile performance and is suitable for frequent movement; Compared with cables, the service life can be extended by 2 to 3 times.

4. The high-strength super-flexible cable for outdoor use of the utility model is a weather-resistant cable, and its working temperature can be between -25°C and +80°C.

Description of drawings:

Fig. 1 is the structural representation of the utility model.

Detailed ways:

Below in conjunction with accompanying drawing, the utility model is further described:

See Figure 1, in the figure, 1---conductor: multi-strand annealed copper wire twisted; 2---insulation layer: elastic compound; 3---filler: non-polar material; 4--- Solid insulating buffer core: elastic compound; 5---inner lining: textile fiber material; 6---steel mesh braiding layer; 7---outer sheath: double-layer co-extruded outer sheath, high strength Wear-resistant sheathing material.

Embodiment: a high-strength ultra-flexible cable for field use, including an outer sheath 7, a steel wire mesh braid layer 6, an inner lining layer 5, a core cable layer and a solid insulating buffer core 4 arranged from outside to inside. There are three concentric core cables evenly distributed around the core insulation buffer core 4, and a concentric core cable with the same structure is spirally wound outside the three concentric core cables, and fillers 3 are arranged between the three concentric core cables; the concentric core cables It consists of a conductor 1 and an insulating layer 2, the conductor 1 is twisted from a plurality of annealed copper wires, the insulating layer 2 is an elastic compound; the filler 3 is composed of non-polar materials; the lining The layer 5 is composed of spinning fiber material; the outer sheath 7 is composed of high-strength wear-resistant sheath material, which is formed by double-layer co-extrusion.

The utility model's high-strength super-flexible cable for the field is suitable for the installation and use of Henglu's handling machinery, hoisting machinery, construction machinery, and wharf lifting equipment working in various harsh weather environments, and can also be installed in drag chains , the central strengthening core of the cable can relieve stress in the case of long-distance installation or extra tension; it can also be used in special environments such as industrial water, deep wells and sea water, and the strong and elastic insulation layer can Absorb or buffer external impact and pressure to ensure that the conductive core is not damaged. Compared with ordinary scraper cables, it has the characteristics of wear resistance, anti-aging, tear resistance, and corrosion resistance. It has strong tensile performance and is suitable for frequent movement; compared with ordinary cables, its service life can be extended by 2 to 3 times.

Claims (5)

1. A high-strength ultra-flexible cable for field use, including an outer sheath (7), a steel wire braid (6), an inner lining (5), a core cable layer and a solid insulating buffer core ( 4), it is characterized in that: three concentric core cables are evenly distributed around the solid insulating buffer core (4), and a concentric core cable with the same structure is spirally wound outside the three concentric core cables, and one of the three concentric core cables is A filler (3) is arranged between them. 2. The high-strength super-flexible cable for field use according to claim 1, characterized in that: the concentric core cable is composed of a conductor (1) and an insulating layer (2), and the conductor (1) is composed of a plurality of soft copper Wires are twisted, and the insulating layer (2) is an elastic compound. 3. The high-strength super-flexible cable for field use according to claim 1, characterized in that: the filler (3) is composed of non-polar materials. 4. The high-strength super-flexible cable for outdoor use according to claim 1, characterized in that: the inner lining layer (5) is made of spun fiber material. 5. The high-strength super-flexible cable for outdoor use according to claim 1, characterized in that: the outer sheath (7) is composed of high-strength wear-resistant sheath material, which is formed by double-layer co-extrusion.

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