CN219303371U

CN219303371U - Extremely cold resistant flat type travelling cable

Info

Publication number: CN219303371U
Application number: CN202223385341.4U
Authority: CN
Inventors: 李洋; 任小宇; 杨鑫; 朱云云; 朱孟
Original assignee: Shanghai Nanyang Fujikura Cable Co ltd
Current assignee: Shanghai Nanyang Fujikura Cable Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-07-04
Anticipated expiration: 2032-12-16

Abstract

The utility model relates to an extremely cold resistant flat trailing cable, comprising: two symmetrically arranged multi-wire core units; the outer side of each multi-wire core unit is provided with a power wire core respectively; a sheath layer wrapping the multi-wire core unit and the power wire core; the multi-wire core unit comprises a plurality of insulated wire cores and filler strip reinforcing cores, wherein the plurality of insulated wire cores wrap the filler strip reinforcing cores and are stranded into a cable; the insulated wire core comprises a first tin-plated conductor and a first low-temperature-resistant insulating layer, and the first low-temperature-resistant insulating layer wraps the first tin-plated conductor; the power wire core comprises a second tinned conductor and a second low-temperature-resistant insulating layer, and the second low-temperature-resistant insulating layer wraps the second tinned conductor. Has excellent high and low temperature resistance, weather resistance and good flame retardance.

Description

Extremely cold resistant flat type travelling cable

Technical Field

The utility model relates to an extremely cold-resistant flat trailing cable.

Background

At present, the low-temperature use environment temperature of the cold-resistant cable in the domestic market is generally about-40 ℃, and the cold-resistant retinue cable has strict requirements on the structural size, bending radius and bending times of the cable except the cold-resistant requirement. The cold-resistant trailing cable is used in the extremely cold area in the north of China, and the problems of bending, cracking and wire breakage easily occur, so that the equipment matched with the cable cannot normally operate.

Therefore, the flat type follow-up cable resistant to extremely cold is provided for solving the problems.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides an extremely cold-resistant flat trailing cable which has excellent high and low temperature resistance, weather resistance and good flame retardance.

The technical scheme for achieving the purpose is as follows:

an extremely cold resistant flat trailing cable comprising:

two symmetrically arranged multi-wire core units;

the outer side of each multi-wire core unit is provided with a power wire core respectively;

and the sheath layer is used for wrapping the multi-wire core unit and the power wire core.

Preferably, the multi-wire core unit comprises a plurality of insulated wire cores and a filler strip reinforcing core, and the plurality of insulated wire cores are stranded into a cable around the filler strip reinforcing core.

Preferably, the insulated wire core comprises a first tin-plated conductor and a first low-temperature-resistant insulating layer, and the first low-temperature-resistant insulating layer wraps the first tin-plated conductor.

Preferably, the filler strip reinforcing core is made of a low-temperature-resistant insulating material.

Preferably, the center of the filler strip reinforcing core is made of aramid fiber or nylon fiber.

Preferably, the power wire core comprises a second tinned conductor and a second low-temperature-resistant insulating layer, and the second low-temperature-resistant insulating layer wraps the second tinned conductor.

The beneficial effects of the utility model are as follows:

1) The cable has the performances of extremely cold resistance (-60 ℃), softness, bending resistance, long service life and stable operation by arranging the first tin-plated conductor, the first low-temperature-resistant insulating layer, the second tin-plated conductor, the second low-temperature-resistant insulating layer and the filling strip reinforcing core made of the low-temperature-resistant insulating material;

2) The filler strip reinforcing core is arranged, so that the steel wire has certain tensile property;

3) By arranging the outer sheath, the flame-retardant glass has good weather resistance and flame retardance.

Drawings

Fig. 1 is a schematic diagram of the present utility model.

In the figure: 1. a multi-wire core unit; 2. a power wire core; 3. a sheath layer; 11. a first tin-plated conductor; 12. a first low temperature resistant insulating layer; 13. a filler strip reinforcing core; 21. a second tin-plated conductor; 22. and a second low temperature resistant insulating layer.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.

The utility model will be further described with reference to the accompanying drawings.

As shown in fig. 1, the flat type extremely cold resistant trailing cable comprises two symmetrically arranged multi-wire core units 1, wherein each multi-wire core unit 1 comprises a plurality of insulated wire cores and a filler reinforcing core 13, and the plurality of insulated wire cores are stranded into a cable around the filler reinforcing core 13; the filling strip reinforcing core 13 is made of low-temperature resistant insulating materials, and the center of the filling strip reinforcing core 13 is made of aramid fiber or nylon fiber serving as a bearing element, so that the filling strip reinforcing core has certain tensile property; the insulated wire core comprises a first tin-plated conductor 11 and a first low-temperature-resistant insulating layer 12, and the first low-temperature-resistant insulating layer 12 wraps the first tin-plated conductor 11; the outer side of each multi-wire core unit 1 is provided with a power wire core 2 respectively; the power wire core 2 comprises a second tin-plated conductor 21 and a second low-temperature-resistant insulating layer 22, and the second low-temperature-resistant insulating layer 22 wraps the second tin-plated conductor 21; the sheath layer 3 wraps the multi-wire core unit 1 and the power wire core 2, and the sheath layer 3 has good weather resistance and flame retardance. Through the structure, the utility model has the performances of extremely cold resistance (-60 ℃), softness, bending resistance, long service life and stable operation.

In this embodiment, e ₂ Represents the distance e between the upper end of the multi-core unit 1 and the upper surface of the sheath layer 3 in the horizontal direction ₃ Representing the distance of the left end of the power core 2 from the left surface of the sheath layer 3 in the vertical direction.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. An extremely cold resistant flat trailing cable, comprising:

two symmetrically arranged multi-wire core units (1);

the outer side of each multi-wire core unit (1) is provided with a power wire core (2) respectively;

and the sheath layer (3) is used for wrapping the multi-wire core unit (1) and the power wire core (2).

2. An extremely cold resistant flat trailing cable according to claim 1, characterized in that the multi-wire core unit (1) comprises a plurality of insulated wire cores and a filler strip reinforcing core (13), a plurality of the insulated wire cores being stranded into a cable around the filler strip reinforcing core (13).

3. The flat type cold-resistant trailing cable according to claim 2, characterized in that the insulated wire core comprises a first tin-plated conductor (11) and a first low-temperature-resistant insulating layer (12), and the first low-temperature-resistant insulating layer (12) wraps the first tin-plated conductor (11).

4. The flat type cold-resistant trailing cable according to claim 2, characterized in that the filler strip reinforcing core (13) is made of a low-temperature-resistant insulating material.

5. The flat type cold-resistant trailing cable according to claim 2, characterized in that the center of the filler strip reinforcing core (13) is made of aramid fiber or nylon fiber.

6. The flat type cold-resistant trailing cable according to claim 1, characterized in that the power core (2) comprises a second tin-plated conductor (21) and a second low-temperature-resistant insulating layer (22), and the second low-temperature-resistant insulating layer (22) wraps the second tin-plated conductor (21).