CN217386722U

CN217386722U - Port flat cable

Info

Publication number: CN217386722U
Application number: CN202220771353.1U
Authority: CN
Inventors: 鹿向群; 黄成志; 袁壮壮; 陈长磊; 娄永超; 牛军伟; 段云鹏
Original assignee: Zhejiang Wanma Special Cable Technology Co ltd
Current assignee: Zhejiang Wanma Special Cable Technology Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-09-06
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a flat cable in harbour, cable core including a plurality of parallel arrangement, both sides all are equipped with parallel arrangement's wire rope about parallel arrangement's the cable core, cable core and wire rope extrude the insulating layer simultaneously, the insulating layer outside from interior to exterior is equipped with the inner sheath in proper order, weaves enhancement layer and oversheath. The cable in the scheme has the advantages of tensile resistance, wear resistance, good flexibility and excellent mechanical property under long-term use. The flat cable is simple and stable in structure, and the service life of the cable is effectively prolonged.

Description

Port flat cable

Technical Field

The utility model relates to a cable especially relates to a flat cable in harbour.

Background

With the economic development, the port of China works at full load for a long time, the service degree of the flat travelling crane cable is increased, and the service life of the cable is shortened. Compared with the existing round reel cable, the flat cable occupies small space of the equipment, and has better bending performance.

For example, chinese patent publication No. CN109036691A, the publication date is 2018, 12 and 18, entitled "a flat cable with flame retardant function for elevator", including a flat cable body, the inside of flat cable body is provided with a cable core, the outside fixed mounting of cable core has the weaving layer, the outside fixed mounting of weaving layer has the lag, the outside of lag is provided with the first insulation layer, the outside fixed mounting on first insulation layer has flame retardant layer, the outside fixed mounting on flame retardant layer has the heat dissipation layer, through setting up flame retardant layer, play fire-retardant effect, through setting up flame retardant fiber, prevent the intensity of a fire from spreading, through setting up fire retardant glue, avoid causing flat cable body to burn out by a large scale, reduce the loss.

The disadvantages of the prior patents are: the existing flat cable has poor tensile property, easy abrasion, and poor flexibility and bending property.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming current flat cable and using down tensile strength poor for a long time, wearing and tearing easily, cable compliance and the relatively poor problem of bending property provide one kind and use down the tensile wear-resisting, have good compliance, the stability of cable structure, the flat cable in port of the life of effectual improvement cable for a long time.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a flat cable in harbour, includes a plurality of parallel arrangement's cable core, both sides all are equipped with parallel arrangement's wire rope about parallel arrangement's the cable core, the insulating layer is extruded simultaneously to cable core and wire rope, the insulating layer outside from interior to exterior is equipped with inner sheath in proper order, weaves enhancement layer and oversheath. The cable core and the reinforcing steel wire rope are simultaneously extruded and wrapped with the ethylene propylene diene monomer rubber for insulation, the structure is simple and stable, and the service life of the cable is effectively prolonged. The anti-abrasion and anti-stretching composite material is provided with the inner sheath, the woven reinforcing layer and the outer sheath, so that the anti-abrasion and anti-stretching performance is improved under the long-term use.

Preferably, the cable core comprises a main wire core and a ground wire core which are distributed at intervals. The conductor adopts the fifth type conductor specified by national standards, and is softer and has more excellent bending performance.

Preferably, the steel wire ropes are respectively positioned on the upper side and the lower side of the adjacent parts of the adjacent main wire core and the adjacent ground wire core, and the steel wire ropes are distributed in an up-and-down symmetrical mode according to the horizontally arranged cable cores. The upper and lower one-to-one steel wire ropes separate the main wire cores and the ground wire cores which are distributed at intervals, and the cable cores which are convenient to parallel are positioned between the steel wire ropes which are distributed in parallel, so that when the cable is bent, the steel wire ropes play a supporting role, and the cable is prevented from being bent for many times to cause bending to damage the cable cores. And the steel wire rope plays a tensile effect and also has the effect of preventing the cable torsion force from being too large.

Preferably, the insulating layer is made of ethylene propylene diene monomer. The ethylene propylene diene monomer rubber not only has good insulativity and stability, but also has good flexibility, and can ensure that the insulating layer of the cable cannot be damaged when the cable is bent.

Preferably, the inner protective layer is made of polyurethane elastomer material. The polyurethane elastomer material has good flexibility and excellent mechanical properties.

Preferably, the braided reinforcing layer is braided outside the inner jacket by aramid filaments. The aramid fiber yarn is adopted for weaving and reinforcing, and the tensile property is excellent.

Preferably, the outer sheath is made of polyurethane elastomer sheath material. The polyurethane elastomer sheath material has good flexibility and wear resistance and high tensile strength, and can be firmly adhered to the inner sheath, so that the cable can be protected from being damaged by external force in dragging movement, the quality problem caused by the dragging external force is reduced, and the service life of the cable is greatly prolonged.

The utility model has the advantages that: the product has the advantages of tensile strength, wear resistance, good flexibility and excellent mechanical property under long-term use. The flat cable is simple and stable in structure, and the service life of the cable is effectively prolonged.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the cable comprises a steel wire rope 1, an insulating layer 2, an inner sheath 3, a braided reinforcing layer 4, an outer sheath 5, a main wire core 6 and a ground wire core 7.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will be further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in the figure I, the port flat cable comprises a plurality of cable cores which are arranged in parallel, wherein the upper side and the lower side of each cable core which are arranged in parallel are respectively provided with a steel wire rope 1 which is arranged in parallel, the cable cores and the steel wire ropes 1 are simultaneously extruded and coated with an insulating layer 2, and the outer side of the insulating layer 2 is sequentially provided with an inner sheath 3, a braided reinforcing layer 4 and an outer sheath 5 from inside to outside. The cable core and the reinforcing steel wire rope 1 are simultaneously extruded and wrapped with the ethylene propylene diene monomer rubber for insulation, the structure is simple and stable, and the service life of the cable is effectively prolonged. The inner sheath 3, the braided reinforcing layer 4 and the outer sheath 5 are arranged, so that the tensile and wear-resistant performance is improved under long-term use. The problems that the existing flat cable is poor in tensile property, easy to wear and poor in flexibility and bending property are solved.

The cable core comprises a main wire core 6 and a ground wire core 7 which are distributed at intervals. The conductor adopts the fifth type conductor specified by national standards, and is softer and has more excellent bending performance. Wire rope 1 is located the upside and the downside of adjacent position of adjacent main line core 6 and earth core 7 respectively, and wire rope 1 is according to the cable core longitudinal symmetry distribution that the level set up. Wire rope 1 of upper and lower one-to-one separates interval distribution's main line core 6 and earth core 7, and the convenient cable core of parallel is located between parallel distribution's wire rope 1 for the cable is in crooked, and wire rope 1 plays the supporting role, prevents that the crooked many degrees of cable from causing the bending to cause the damage to the cable core. And the steel wire rope 1 has the effect of tensile strength and also has the effect of preventing the overlarge twisting force of the cable. The cable core and the reinforcing steel wire rope 1 are simultaneously extruded and wrapped with the ethylene propylene diene monomer rubber for insulation, the structure is simple and stable, and the service life of the cable is effectively prolonged.

The insulating layer 2 is made of ethylene propylene diene monomer. The ethylene propylene diene monomer rubber not only has good insulativity and stability, but also has good flexibility, and can ensure that the insulating layer 2 cannot have problems when the cable is bent.

The inner sheath layer is made of polyurethane elastomer material. The polyurethane elastomer material has good flexibility and excellent mechanical properties.

The braided reinforcing layer 4 is braided outside the inner sheath 3 through aramid filaments. The aramid fiber yarn is adopted for weaving and reinforcing, and the tensile property is excellent.

The outer sheath 5 is made of polyurethane elastomer sheath material. The polyurethane elastomer sheath material has good flexibility and wear resistance and high tensile strength, and can be firmly adhered to the inner sheath 3, so that the cable can be protected from being damaged by external force in dragging movement, the quality problem caused by dragging external force is reduced, and the service life of the cable is greatly prolonged.

The above embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto. All equivalent changes made according to the shape and structure of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a flat cable in harbour, includes a plurality of parallel arrangement's cable core, its characterized in that, both sides all are equipped with parallel arrangement's wire rope (1) about parallel arrangement's the cable core, insulating layer (2) are extruded simultaneously to cable core and wire rope, the insulating layer outside from interior to exterior is equipped with inner sheath (3), weaves enhancement layer (4) and oversheath (5) in proper order.

2. The flat cable for the port as claimed in claim 1, wherein the cable core comprises a main wire core (6) and a ground wire core (7) which are distributed at intervals.

3. The flat cable for the port as claimed in claim 2, wherein the steel wire ropes are respectively positioned at the upper side and the lower side of the adjacent portions of the adjacent main wire core and the adjacent ground wire core, and the steel wire ropes are distributed up and down symmetrically according to the horizontally arranged cable cores.

4. The flat cable for ports as claimed in claim 1, wherein the insulating layer is made of ethylene propylene diene monomer.

5. The flat cable for a harbor as claimed in claim 1, wherein said inner sheath is made of polyurethane elastomer material.

6. The flat cable for ports as claimed in claim 1, wherein the braided reinforcing layer is braided with aramid filaments on the outside of the inner sheath.

7. The flat port cable as claimed in claim 1, wherein the outer sheath is made of polyurethane elastomer sheath material.