CN219392973U

CN219392973U - Torsion-resistant and drag-resistant chain cable for sensor

Info

Publication number: CN219392973U
Application number: CN202320064730.2U
Authority: CN
Inventors: 陶焱飞; 欧阳强; 林松; 鲍晨晨
Original assignee: Huizhou LTK Electronic Cable Co Ltd; LTK Electric Wire Huizhou Co Ltd; LTK Electric Wire Changzhou Co Ltd
Current assignee: Huizhou LTK Electronic Cable Co Ltd; LTK Electric Wire Huizhou Co Ltd; LTK Electric Wire Changzhou Co Ltd; Shenzhen Woer Special Cable Co Ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-07-21
Anticipated expiration: 2033-01-05

Abstract

The application relates to the technical field of cables, in particular to a torsion-resistant and drag-resistant chain cable for a sensor, which is characterized in that a plurality of core wire assembly cables are twisted in a first direction to untwist core wires, the core wires are spirally and uniformly arranged, the generated internal stress is eliminated during cabling, the wire is enabled to have excellent flexibility and high tensile property, and the wire is guaranteed to meet the performances of torsion and drag chain application. The heart yearn includes the conductor and coats in the insulating layer of conductor, the conductor includes a plurality of tinned wire, the conductor divide into inlayer conductor and outer conductor along radial direction, tinned wire of inlayer conductor is stranded along first direction, tinned wire of outer conductor is stranded along the second direction, the transposition pitch is 6 ~ 8mm, tinned wire's wire footpath is less than 0.08mm, inlayer conductor and outer conductor adopt positive and negative transposition to have guaranteed the stability of conductor structure, the conductor does not have the jump point simultaneously, the outward appearance is round and round, make whole wire rod show splendid compliance and high tensile properties simultaneously, guarantee that the wire rod satisfies the performance of resistant torsion and drag chain.

Description

Torsion-resistant and drag-resistant chain cable for sensor

Technical Field

The application relates to the technical field of cables, in particular to a torsion-resistant and drag-resistant chain cable for a sensor.

Background

At present, china is actively pushing industrial intelligent sensor intelligent application, enhancing depth perception and intelligent decision-making capability of numerical control machine tools, industrial robots, manufacturing equipment and the like, and continuously improving the application level of the intelligent sensor in the industrial field.

With more and more intelligent equipment application mobile operation, particularly the requirement of short-distance mobile operation on wires is very high, the intelligent equipment needs to be frequently moved during production, the requirement of cables applied to sensors is also higher and higher, and the cables are required to have torsion resistance and drag resistance performance requirements besides being suitable for various severe environments such as low-temperature environments. For this purpose, the application aims at designing and developing a cable with both torsion resistance and drag resistance, which meets the performance requirements.

Disclosure of Invention

In order to solve the technical problems, the application provides a torsion-resistant and drag-resistant chain cable for a sensor, which comprises a plurality of helically stranded core wires and a sheath layer coated on the core wires, wherein the plurality of core wires are stranded along a first direction; the core wire comprises a conductor and an insulating layer coated on the conductor, the conductor comprises a plurality of tinned copper wires, the conductor is divided into an inner layer conductor and an outer layer conductor along the radius direction, the tinned copper wires of the inner layer conductor are stranded along the first direction, the tinned copper wires of the outer layer conductor are stranded along the second direction, the stranding pitch is 6-8 mm, and the wire diameter of the tinned copper wires is less than 0.08mm.

Preferably, the thickness of the insulating layer is 0.12-0.15 mm.

Preferably, the insulating layer is made of polyurethane TPEE plastic.

Preferably, the outer diameter of the sheath layer is 2-2.35 mm.

Preferably, the sheath layer is made of thermoplastic polyurethane rubber.

From the above, the following beneficial effects can be obtained by applying the present application: the core wires are twisted and untwisted in the first direction through the plurality of core wire assembly cables, the core wires are uniformly arranged in a spiral mode, the generated internal stress is eliminated during cabling, the wires are enabled to have excellent flexibility and high tensile property, and the wires are guaranteed to meet the performances of torsion and drag chain application. The heart yearn includes the conductor and coats in the insulating layer of conductor, the conductor includes a plurality of tinned wire, the conductor divide into inlayer conductor and outer conductor along radial direction, tinned wire of inlayer conductor is stranded along first direction, tinned wire of outer conductor is stranded along the second direction, the transposition pitch is 6 ~ 8mm, tinned wire's wire footpath is less than 0.08mm, inlayer conductor and outer conductor adopt positive and negative transposition to have guaranteed the stability of conductor structure, the conductor does not have the jump point simultaneously, the outward appearance is round and round, make whole wire rod show splendid compliance and high tensile properties simultaneously, guarantee that the wire rod satisfies the performance of resistant torsion and drag chain.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings that are used in the description of the embodiments of the present application or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of a torsion and drag resistant cable for a sensor according to an embodiment of the present application;

fig. 2 is a schematic diagram of a conductor structure according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

In order to solve the above-mentioned technical problems, the present embodiment provides a torsion-resistant and drag-resistant cable for a sensor, as shown in fig. 1-2, including a plurality of core wires 10 twisted in a spiral manner, and a sheath layer 20 covering the core wires 10, wherein the plurality of core wires 10 are twisted in a first direction, and all the core wires are 100% untwisted, so that the core wires 10 are uniformly arranged in a spiral manner, which is beneficial to eliminating the generated internal stress during cabling, so that the wire exhibits excellent flexibility and high tensile properties, and the wire is ensured to satisfy the performances of torsion and drag-resistant applications. The core wire 10 comprises a conductor 11 and an insulating layer 12 coated on the conductor 11, the conductor 11 comprises a plurality of tinned copper wires, the conductor 11 is divided into an inner conductor 30 and an outer conductor 40 along the radial direction, the tinned copper wires of the inner conductor 30 are stranded along the first direction, the tinned copper wires of the outer conductor 40 are stranded along the second direction, the first direction is S-direction stranding, the second direction is Z-direction stranding, the stranding pitch is 6-8 mm, the wire diameter of the tinned copper wires is smaller than 0.08mm, the inner conductor 30 and the outer conductor 40 adopt positive and negative stranding to ensure the stability of the conductor structure, meanwhile, the conductor has no jump points, the appearance is round, meanwhile, the whole wire shows excellent flexibility and high tensile property, and the wire is ensured to meet the performances of torsion resistance and drag resistance.

Specifically, the twisting pitch of the inner layer conductor 30 and the outer layer conductor 40 was 6mm, and the wire diameter of the tinned wire was 0.07mm. As shown in fig. 2, the conductor 11 is exemplarily formed by using 19 tinned wires, which are divided into 1, 6 and 12 from inside to outside, and the 6 tinned wires are twisted in the S direction on the central tinned wire, thereby forming the inner conductor 30;12 tinned wires are stranded in the Z direction, so that an outer conductor 40 is formed, the stability of the conductor structure is guaranteed by adopting positive and negative stranding, meanwhile, the conductor has no jump points, the appearance is round, and meanwhile, the whole wire shows excellent flexibility and high tensile property.

Furthermore, the insulating layer 12 of the core wire 10 is made of polyurethane TPEE plastic, the tensile strength of the material which is more than or equal to 50Mpa gives the core wire excellent mechanical properties, and meanwhile, the thickness of the insulating layer 12 can be 0.12-0.15 mm, preferably, the thickness of the insulating layer 12 is 0.15mm. The method has the advantages that the outer diameter of the whole wire rod is improved by a small amount, and the excellent fatigue resistance and the smooth appearance are added, so that more space and guarantee are provided for short-distance torsion of the product; the adopted semi-extrusion coating ensures constant coating compactness between insulation and conductors, thereby effectively absorbing extrusion force generated during bending of the cable and radial pressure generated by torsion, ensuring that the phenomenon of conductor breakage or insulation damage can not occur during repeated bending, and simultaneously ensuring that the wire keeps normal operation at high and low temperatures due to the temperature resistance grade of-70-105 ℃ of special polyurethane TPEE plastic.

Further, the outer diameter of the sheath layer 20 is 2 to 2.35mm, preferably, the outer diameter of the sheath layer 20 is 2.35mm, and the sheath layer 20 is made of thermoplastic polyurethane rubber. The sheath adopts TPU with excellent performances such as softness, oil resistance, tensile resistance, high and low temperature resistance, corrosion resistance, bending resistance, wear resistance, flame retardance, water resistance, torsion resistance and the like, the temperature resistance grade is-40-90 ℃, the electric wire can be ensured to be twisted and drag chain applied in a short distance at high and low temperatures, and the phenomenon of conductor breakage or cable damage can not occur.

Good short-distance torsion and drag chain performance of the wire, the wire torsion performance is shown in the following table:

project	Speed of speed	Distance of travel	Standard required times	Actual value
					Twist by + -180 DEG	60 times/min	300mm	100 ten thousand times	200 ten thousand times
Drag chain	60 times/min	500mm	400 ten thousand times	600 ten thousand times

TABLE 1

Table 1 shows the torsional property of the wire rod, and the cable with the structure can meet the performances of torsion resistance and drag resistance, and meet the requirements of the cable applied to the sensor.

In summary, the core wires are twisted and untwisted in the first direction through the plurality of core wire assembly cables, the core wires are uniformly arranged in a spiral mode, the generated internal stress is eliminated during cabling, the wires are enabled to have excellent flexibility and high tensile property, and the wires are guaranteed to meet the performances of torsion and drag chain application. The heart yearn includes the conductor and coats in the insulating layer of conductor, the conductor includes a plurality of tinned wire, the conductor divide into inlayer conductor and outer conductor along radial direction, tinned wire of inlayer conductor is stranded along first direction, tinned wire of outer conductor is stranded along the second direction, the transposition pitch is 6 ~ 8mm, tinned wire's wire footpath is less than 0.08mm, inlayer conductor and outer conductor adopt positive and negative transposition to have guaranteed the stability of conductor structure, the conductor does not have the jump point simultaneously, the outward appearance is round and round, make whole wire rod show splendid compliance and high tensile properties simultaneously, guarantee that the wire rod satisfies the performance of resistant torsion and drag chain.

The above-described embodiments do not limit the scope of the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the above embodiments should be included in the scope of the present utility model.

Claims

1. A torsion and drag resistant chain cable for a sensor, characterized by: comprises a plurality of core wires (10) which are helically stranded and a sheath layer (20) which is coated on the core wires (10), wherein the plurality of core wires (10) are stranded along a first direction; the core wire comprises a conductor (11) and an insulating layer (12) wrapping the conductor (11), the conductor (11) comprises a plurality of tinned copper wires, the conductor (11) is divided into an inner conductor (30) and an outer conductor (40) along the radial direction, the tinned copper wires of the inner conductor (30) are stranded along the first direction, the tinned copper wires of the outer conductor (40) are stranded along the second direction, the stranding pitch is 6-8 mm, and the wire diameter of the tinned copper wires is smaller than 0.08mm.

2. The torsion and drag resistant cable for a sensor according to claim 1, wherein: the thickness of the insulating layer (12) is 0.12-0.15 mm.

3. The torsion and drag resistant cable for a sensor according to claim 2, wherein: the insulating layer (12) is made of polyurethane TPEE plastic.

4. The torsion and drag resistant cable for a sensor according to claim 2, wherein: the outer diameter of the sheath layer (20) is 2-2.35 mm.

5. The torsion and drag resistant cable for a sensor according to claim 4, wherein: the sheath layer (20) adopts thermoplastic polyurethane rubber.