CN214796827U

CN214796827U - High-tensile-resistance special cable

Info

Publication number: CN214796827U
Application number: CN202121139136.2U
Authority: CN
Inventors: 任进明; 乔德军
Original assignee: Hubei Taichang Wire And Cable Co ltd
Current assignee: Hubei Taichang Wire And Cable Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-11-19
Anticipated expiration: 2031-05-25

Abstract

The utility model relates to a high tensile special type cable relates to the field of cable technology, and it includes many wires, many the parcel in the wire outside has the plastic cover, the outside winding of plastic cover has many strengthening ropes, the recess that is used for holding lubricating grease is offered to the lateral surface circumference of plastic cover, the outside parcel of strengthening the rope has the sheath. This application has the effect that improves cable life.

Description

High-tensile-resistance special cable

Technical Field

The application relates to the field of tensile cable technology, in particular to a high-tensile special cable.

Background

The tensile cable adopts a special structural design, is suitable for places needing to be moved, and is widely applied to cranes, drum machines and the like.

The traditional Chinese patent with the patent application number of CN201721062314.X provides a tensile cable, which comprises a plurality of conductive core wires, a shielding layer wrapped on the conductive core wires, a fiber layer wrapped on the shielding layer and an insulating sheath sleeved on the outer surface, wherein the fiber layer is formed by weaving high-strength fibers, the shielding layer is filled with an insulating material, the conductive core wires comprise tensile wires, and the tensile wires are formed by winding at least two high-strength fibers.

In view of the related art in the above, the inventors consider that there are drawbacks: the tensile wire is formed by winding a plurality of high-strength fibers mutually, so that the tensile property of the cable is improved, but under the condition that the cable frequently moves, friction is generated among the fibers, abrasion is caused, and the service life of the cable is influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve cable life's problem, this application provides a high tensile special type cable.

The application provides a high tensile special cable adopts following technical scheme:

the utility model provides a high tensile special type cable, includes many wires, many the wire outside parcel has the plastic cover, the outside winding of plastic cover has many reinforcing ropes, a plurality of recesses that are used for holding lubricating grease are seted up to the lateral surface circumference of plastic cover, the recess is followed plastic cover length direction sets up, the outside parcel of reinforcing rope has the sheath.

Through adopting above-mentioned technical scheme, seted up a plurality of recesses on the plastic cover, it has lubricating grease to hold in every recess, and when the cable was frequently removed, the cable can appear crooked or extrude, and lubricating grease extrudees from the recess, and lubricating grease plays the lubrication action to strengthening the rope, reduces the friction between the many strengthening ropes to do benefit to the life of extension cable.

Optionally, the reinforcing rope is a steel wire rope formed by twisting a plurality of steel wires.

By adopting the technical scheme, the steel wire rope is formed by twisting a plurality of steel wires and has the characteristics of high strength and light dead weight, the steel wire rope enhances the mechanical strength of the cable, not only can the compressive strength be enhanced, but also the tensile strength of the cable is enhanced, and the service life of the cable is longer.

Optionally, the reinforcing rope wound on the plastic sleeve is double-layered.

Through adopting above-mentioned technical scheme, bilayer structure's reinforcing rope has further improved the mechanical strength of cable, has strengthened the tensile property of cable, prolongs the cable life-span.

Optionally, the reinforcing rope is a metal mesh woven by steel wire ropes.

By adopting the technical scheme, the steel wire rope is woven into the net-shaped structure to be wrapped on the cable, the net-shaped steel wire rope is good in integrity and high in tensile strength, the tensile property of the cable is enhanced, the shielding net is formed, and the effect of resisting external electromagnetic interference can be achieved.

Optionally, a hemp rope is arranged in the middle of the plurality of wires, and the plurality of wires are spirally wound on the hemp rope.

Through adopting above-mentioned technical scheme, be equipped with the rope made of hemp in the many wires, the tensile resistance of cable can be strengthened to the rope made of hemp, and the rope made of hemp also can make the cable have certain pliability simultaneously. The hemp rope can fill the gaps among the plurality of wires, so that the use amount of raw materials of the plastic sleeve can be reduced when the plastic sleeve is extruded, and the purpose of saving cost is achieved.

Optionally, an insulating layer is wrapped on the outer side of each wire.

By adopting the technical scheme, the insulating layer is wrapped on the outer side of the lead, so that the effects of preventing electric leakage and short circuit can be achieved.

Optionally, the shielding layer is wrapped outside the insulating layer.

By adopting the technical scheme, the shielding layer is used for reducing external electromagnetic interference and enhancing the anti-interference capability of the cable.

Optionally, a non-woven fabric layer is arranged between the reinforcing ropes and the sheath.

Through adopting above-mentioned technical scheme, when the cable is in frequent bending process, the friction takes place between wire rope can and the sheath to the sheath probably defect such as crackle appears, and the non-woven fabrics layer between wire rope and the sheath can play the effect of buffering, plays the effect of protection to the cable, prolongs the life of cable.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the plastic sleeve is provided with a plurality of grooves, lubricating grease is contained in each groove, when the cable frequently moves, the cable can be bent or extruded, the lubricating grease is extruded from the grooves, the lubricating grease has a lubricating effect on the reinforcing ropes, the friction among the reinforcing ropes is reduced, and therefore the service life of the cable is prolonged;

2. the steel wire rope is formed by twisting a plurality of steel wires and has the characteristics of high strength and light dead weight, the steel wire rope enhances the mechanical strength of the cable, not only can the compressive strength be enhanced, but also the tensile strength of the cable is enhanced;

3. the double-layer reinforcing ropes further improve the mechanical strength of the cable and enhance the tensile property of the cable.

Drawings

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

Reference numerals: 1. a wire; 2. plastic cover; 21. a groove; 3. a reinforcing cord; 4. a sheath; 5. hemp ropes; 6. an insulating layer; 7. a shielding layer; 8. a non-woven fabric layer.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

A high-tensile special cable comprises a cable main body, and the cable is applied to places requiring frequent movement.

As shown in fig. 1, the cable body comprises a plurality of wires 1, a hemp rope 5 is arranged in the middle of the plurality of wires 1, the plurality of wires 1 are spirally wound on the hemp rope 5, and the tensile property of the cable is enhanced by the hemp rope 5. The outer side of each wire 1 is wrapped with an insulating layer 6, the insulating layer 6 is made of polyethylene material, and the polyethylene material is non-toxic and has excellent electrical insulating property.

The shielding layer 7 wraps the outer side of the insulating layer 6, the shielding layer 7 is an aluminum-plastic composite tape, and the shielding layer 7 can effectively reduce interference of external electromagnetism on the cable.

The outer sides of the plurality of leads 1 are wrapped with the plastic sleeves 2 together, and the plastic sleeves 2 bind the leads 1 so as to prevent the leads from being scattered. A plurality of cross sectional shape are seted up in the outside of plastic cover 2 and are the recess 21 of rectangle, and a plurality of recesses 21 set up along the circumference equipartition of plastic cover 2, and recess 21 is used for holding lubricating grease. The outside spiral winding of plastic cover 2 has many strengthening ropes 3, and strengthening rope 3 is the wire rope that is formed by stranded steel wire spiral winding, for making the cable have good tensile strength, the life-span of extension cable use, and the wire rope in the 2 outsides of plastic cover is the bilayer, and two-layer wire rope's winding opposite direction or the same, can weave wire rope into network structure parcel in the outside of plastic cover 2 in other embodiments. The lubricating grease has a lubricating effect on the steel wire rope, and reduces friction of the steel wire rope in the bending process, so that the service life of the cable is prolonged.

The outer side of the steel wire rope is wrapped with the non-woven fabric layer 8, and when the cable is bent, the non-woven fabric layer 8 plays a role in buffering between the steel wire rope and the sheath, so that the cable is protected.

The outer side of the non-woven fabric layer 8 is wrapped with a sheath 4 made of PVC material, and the sheath 4 made of PVC has flame retardance and has a fireproof protection effect on cables.

The implementation principle of the embodiment of the application is as follows: in order to increase the tensile property of the cable, a plurality of wires 1 are spirally wound on the hemp rope 5, so that the tensile property of the cable can be improved, and the flexibility of the cable can be kept. The inside steel wire rope that still is equipped with the stranded winding of cable, steel wire rope has improved the tensile strength of cable, because the cable is applied to frequently moving's place, can produce the friction between the steel wire rope to cause certain wearing and tearing, be equipped with the recess 21 that holds lubricating grease specially on the plastic cover 2, prolonged the life of cable.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high tensile special type cable, includes many wires (1), its characterized in that: many the outside parcel of wire (1) has plastic cover (2) jointly, the outside winding of plastic cover (2) has many to strengthen rope (3), a plurality of recesses (21) that are used for holding lubricating grease are seted up to the lateral surface circumference of plastic cover (2), recess (21) are followed plastic cover (2) length direction sets up, the outside parcel of strengthening rope (3) has sheath (4).

2. The special high-tensile cable according to claim 1, wherein: the reinforcing rope (3) is a steel wire rope formed by twisting a plurality of steel wires.

3. The special high-tensile cable according to claim 2, wherein: the reinforcing rope (3) wound on the plastic sleeve (2) is double-layer.

4. The special high-tensile cable according to claim 2, wherein: the reinforcing ropes (3) are metal nets woven by steel wire ropes.

5. The special high-tensile cable according to claim 1, wherein: many be equipped with rope made of hemp (5) in the middle of wire (1), many wire (1) spiral winding is on rope made of hemp (5).

6. The special high-tensile cable according to claim 5, wherein: the outer side of each wire (1) is wrapped with an insulating layer (6).

7. The special high-tensile cable according to claim 6, wherein: and the outer side of the insulating layer (6) is wrapped with a shielding layer (7).

8. The special high-tensile cable according to claim 7, wherein: a non-woven fabric layer (8) is arranged between the reinforcing rope (3) and the sheath (4).