CN219457196U

CN219457196U - Charging cable for winding drum

Info

Publication number: CN219457196U
Application number: CN202320761483.1U
Authority: CN
Inventors: 崔久德; 卜晓华
Original assignee: Xinhongye Technology Hunan Co ltd
Current assignee: Xinhongye Technology Hunan Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-08-01
Anticipated expiration: 2033-04-10

Abstract

The utility model discloses a charging cable for a winding drum, which comprises: the cable comprises a cable core formed by twisting a ground wire and a plurality of power wire cores and a sheath layer coated on the outer side of the cable core, wherein the ground wire and the power wire cores are sequentially distributed along the circumferential direction, and an elastic support bar is filled in a central area surrounded by the ground wire and the power wire cores and/or gaps between adjacent power wire cores and between the ground wire and the adjacent power wire cores, and the outer side surface of each elastic support bar is attached to the surface of the adjacent ground wire and the surface of the adjacent power wire core. The utility model can prevent the insulated core wire from being damaged by curling and twisting in the using process of the cable, can lighten the whole weight of the cable, can lighten the damage to the insulated core wire when the cable is extruded, and prolongs the service life of the cable under complex working conditions.

Description

Charging cable for winding drum

Technical Field

The utility model relates to the technical field of wires and cables, in particular to a charging cable applied to a crane drum.

Background

The charging cable is widely applied to the field of new energy automobiles, and is mainly used for electric energy transmission between the charging pile and the new energy automobile. The engineering machinery such as a crane is electrified gradually, and a new energy battery arranged on the crane needs to be charged.

Because of the specificity of the use scene, the charging distance of the crane is relatively long, the charging cable needs to be wound on a winding drum, and the cable is dragged during charging to realize long-distance charging. And higher requirements are put on various performances such as drag resistance, winding resistance, wear resistance and the like of the cable. The traditional charging cable is easy to cause cable surface breakage and cable conductor breakage under the application scene, so that the charging function is lost.

Therefore, developing a charging cable suitable for field engineering machinery such as a crane to charge equipment under severe use conditions becomes an urgent need of the industry.

Disclosure of Invention

The utility model aims to provide a charging cable for a winding drum, which can reduce the damage to an insulating core wire when the cable is extruded and prolong the service life of the cable under complex working conditions.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a charging cable for a roll, comprising: the cable comprises a cable core formed by twisting a ground wire and a plurality of power wire cores and a sheath layer coated on the outer side of the cable core, wherein the ground wire and the power wire cores are sequentially distributed along the circumferential direction, and an elastic support bar is filled in a central area surrounded by the ground wire and the power wire cores and/or gaps between adjacent power wire cores and between the ground wire and the adjacent power wire cores, and the outer side surface of each elastic support bar is attached to the surface of the adjacent ground wire and the surface of the adjacent power wire core.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the elastic support bar is a TPE foaming bar, a silica gel foaming bar or a rubber foaming bar.

2. In the above scheme, at least two reinforcing core wires are arranged in the elastic supporting bar.

3. In the above scheme, the reinforced core wire is one of a steel wire rope, an aramid fiber rope and a polyester fiber rope.

4. In the above scheme, the sheath layer is a polyurethane sheath layer.

5. In the above scheme, 3 power cores are provided.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the charging cable for the winding drum is characterized in that an elastic supporting bar is filled in a central area surrounded by the ground wire and a plurality of power wire cores and/or gaps between the ground wire and the adjacent power wire cores, and the outer side surface of each elastic supporting bar is attached to the adjacent ground wire and the adjacent power wire core surface, so that the insulating wire core is prevented from being damaged due to curling and torsion in the using process of the cable, the integral weight of the cable is reduced, the damage to the insulating wire core when the cable is extruded is reduced, and the service life of the cable under complex working conditions is prolonged.

Drawings

FIG. 1 is a schematic diagram of a charging cable for a spool according to the present utility model;

FIG. 2 is an enlarged view of a portion of the charging cable for the spool of the present utility model;

fig. 3 is a partial enlarged view of a charging cable for a roll according to the present utility model.

In the above figures: 1. a ground wire; 2. a power core; 3. a sheath layer; 4. an elastic support bar; 5. the core wire is reinforced.

Description of the embodiments

The present patent will be further understood by the specific examples given below, which are not intended to be limiting.

Example 1: a charging cable for a roll, comprising: the cable comprises a cable core formed by twisting a ground wire 1 and a plurality of power wire cores 2 in a certain twisting direction and pitch and a sheath layer 3 coated on the outer side of the cable core, wherein the ground wire 1 and the power wire cores 2 are sequentially distributed along the circumferential direction, and an elastic support bar 4 is filled in a central area surrounded by the ground wire 1 and the power wire cores 2 and between the adjacent power wire cores 2 and gaps between the ground wire 1 and the adjacent power wire cores 2, and the outer side surface of each elastic support bar 4 is attached to the adjacent ground wire 1 and the adjacent power wire cores 2.

The elastic supporting strips 4 are TPE foam strips, the foaming degree ratio is 20%, and the filling strips made of foamed TPE materials are used for fixing the insulating core wires to prevent the central conductor and the outer insulating sheath of the insulating core wires from being distorted or broken in the curling and twisting processes, and simultaneously, the foaming structure is used for reducing the weight and the damage to the insulating core wires when the cable is extruded;

as shown in fig. 2, 3 reinforcing core wires 5 which are aramid fiber ropes are arranged in a fan-shaped elastic support bar 4 filled between adjacent power core wires 2 and between a ground wire 1 and the adjacent power core wires 2;

as shown in fig. 3, two reinforcing core wires 5 which are steel wires are arranged in a special-shaped elastic support bar 4 filled in a central area surrounded by a ground wire 1 and a plurality of power wire cores 2;

a high-strength reinforcing core is added in the middle of the filled elastic support bar, so that the anti-dragging performance of the cable is further improved;

the sheath layer 3 is a polyurethane sheath layer, preferably polyether type flame-retardant polyurethane material, preferably black, and the outer sheath is made of high-strength scratch-resistant polyurethane material, so that the service life of the product under complex working conditions is further prolonged;

there are 3 of the above power cores 2.

Example 2: a charging cable for a roll, comprising: the cable comprises a cable core formed by twisting a ground wire 1 and a plurality of power wire cores 2 in a certain twisting direction and pitch and a sheath layer 3 coated on the outer side of the cable core, wherein the ground wire 1 and the power wire cores 2 are sequentially distributed along the circumferential direction, and an elastic support bar 4 is filled in a central area surrounded by the ground wire 1 and the power wire cores 2 or between adjacent power wire cores 2 and gaps between the ground wire 1 and the adjacent power wire cores 2, and the outer side surface of each elastic support bar 4 is attached to the adjacent ground wire 1 and the adjacent power wire cores 2.

The elastic support bar 4 is a silica gel foaming bar, and the foaming degree proportion is 50%;

at least two reinforcing core wires 5 are arranged in the elastic support bar 4; the reinforcing core wire 5 is a polyester fiber rope.

When the charging cable for the winding drum is adopted, the winding drum can prevent the insulated core wire from being damaged due to curling and torsion in the use process of the cable, can lighten the whole weight of the cable, lighten the damage to the insulated core wire when the cable is extruded, and prolongs the service life of the cable under complex working conditions.

The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims

1. A charging cable for a roll, comprising: the cable core formed by stranding a ground wire (1) and a plurality of power wire cores (2) and a sheath layer (3) coated on the outer side of the cable core are characterized in that: the ground wire (1) and the power wire cores (2) are sequentially distributed along the circumferential direction, an elastic support bar (4) is filled in a central area surrounded by the ground wire (1) and the power wire cores (2) and/or between adjacent power wire cores (2) and gaps between the ground wire (1) and the adjacent power wire cores (2), and the outer side surface of each elastic support bar (4) is attached to the adjacent ground wire (1) and the adjacent power wire core (2) surface.

2. The charging cable for reels as claimed in claim 1, wherein: the elastic supporting strips (4) are TPE foaming strips, silica gel foaming strips or rubber foaming strips.

3. Charging cable for reels according to claim 1 or 2, characterized in that: at least two reinforcing core wires (5) are arranged in the elastic supporting strips (4).

4. A charging cable for reels according to claim 3, characterized in that: the reinforced core wire (5) is one of a steel wire rope, an aramid fiber rope and a polyester fiber rope.

5. The charging cable for reels as claimed in claim 1, wherein: the sheath layer (3) is a polyurethane sheath layer.

6. The charging cable for reels as claimed in claim 1, wherein: 3 power cores (2) are arranged.