CN211858218U

CN211858218U - TPU composite material insulation and sheath flexible cable for trolley

Info

Publication number: CN211858218U
Application number: CN202020982292.4U
Authority: CN
Inventors: 杭士邦; 周国庆; 肖飞; 叶亚运
Original assignee: ANHUI MENTOR CABLE GROUP CO LTD
Current assignee: ANHUI MENTOR CABLE GROUP CO LTD
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2020-11-03
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a flexible cable for TPU combined material is insulating and sheath platform truck in cable technical field, include: a steel core assembly; a plurality of core guide assemblies twisted on an outer wall of the steel core assembly; a composite sheath coated on the outer wall of the plurality of core guide assemblies, the steel core assembly comprising: a steel core body; the steel core sheath, the steel core sheath cladding is in on the outer wall of steel core body, it includes to lead the core subassembly: a copper conductor; the composite insulation cover, the cladding of composite insulation cover is in on the outer wall of copper conductor, composite sheath is the composite sheath of thermoplastic polyurethane elastomer, composite sheath's wall thickness is 1.5-2mm, the diameter of steel core body is 1-3mm, composite insulation cover's wall thickness is 0.7-1mm, the utility model provides the high performance of cable, suitable platform truck uses.

Description

TPU composite material insulation and sheath flexible cable for trolley

Technical Field

The utility model relates to the technical field of cables, specifically be a TPU combined material is insulating and sheath flexible cable for platform truck.

Background

A cable is a power or signal transmission device, and is generally composed of several wires or groups of wires. The cable is made of one or more conductors insulated from each other and an outer insulating protective layer, and is used for transmitting power or information from one place to another. Typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.

The trolley is a drilling device constructed by adopting a drilling and blasting method in tunnel and underground engineering, can move and support a plurality of rock drills to drill holes simultaneously, and the selection of the conductor material of the trolley cable mainly considers the mechanical property of copper wires and the flexibility of the copper wires.

The mechanical property of the copper wire depends on the selection of materials and the processing technology thereof; the flexibility of the copper strand depends on the diameter of the stranded annealed copper wire, the control of the stranding direction, the stranding pitch and other relevant factors. The stranded conductor with the copper single wires with large diameter has good tensile property, but poor flexibility and is not easy to bend.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a TPU combined material is insulating and sheath flexible cable for platform truck to solve the big stranded conductor of copper single line diameter that proposes in the above-mentioned background art, its tensile strength is good, but the compliance is poor, the not easy crooked problem.

In order to achieve the above object, the utility model provides a following technical scheme: a TPU composite insulation and sheathing flexible cable for a trolley comprising:

a steel core assembly;

a plurality of core guide assemblies twisted on an outer wall of the steel core assembly;

the composite sheath is coated on the outer walls of the plurality of core guide assemblies.

Preferably, the steel core assembly comprises:

a steel core body;

the steel core sheath is coated on the outer wall of the steel core body.

Preferably, the core guiding assembly comprises:

a copper conductor;

and the composite insulating sleeve is coated on the outer wall of the copper conductor.

Preferably, the composite sheath is a thermoplastic polyurethane elastomer composite sheath.

Preferably, the wall thickness of the composite sheath is 1.5-2 mm.

Preferably, the diameter of the steel core body is 1-3 mm.

Preferably, the wall thickness of the composite insulating sleeve is 0.7-1 mm.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides the performance of high cable, suitable platform truck uses, a plurality of core subassembly single line syntropy bunches the transposition and is on the outer wall of steel core subassembly, the compliance of cable has been increased, further improve the resistant crooked degree of cable, the cladding of composite sheath is on the outer wall of a plurality of compound insulating sheathes, composite sheath is the compound sheath of thermoplastic polyurethane elastomer, composite sheath's wall thickness is 1.5-2mm, composite sheath's external diameter is 25-30mm, thermoplastic polyurethane elastomer is compound to have excellent wear resistance, outstanding physical and mechanical properties, polyester type TPU's tensile strength is nearly 60Mpa, the rate of elongation is nearly 400%, polyether type TPU tensile strength is nearly 50Mpa, the rate of elongation is more than or equal to 300%, fabulous oil resistance, the temperature application range of broad, can use at-40 ℃ the temperature range of one l25 ℃, the hardness scope is wide. And when the Shore hardness is A85 or even above, the TPU still keeps elasticity, has excellent tear resistance, is suitable for trolleys, has unusual performances in weather aging resistance, hydrolysis resistance, ultraviolet radiation resistance and the like, and effectively improves the performance of the cable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a steel core assembly of the present invention;

fig. 3 is a schematic structural view of the core guiding assembly of the present invention.

In the figure: 100 steel core assembly, 110 steel core body, 120 steel core sheath, 200 conductive core assembly, 210 copper conductor, 220 composite insulating sheath, 300 composite sheath.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an insulating and sheath flexible cable of TPU combined material for platform truck improves the performance of cable, and suitable platform truck uses, please refer to figure 1, include: a steel core assembly 100, a core guide assembly 200 and a composite sheath 300;

referring to fig. 1-2, a steel core assembly 100 includes:

the diameter of the steel core body 110 is 1-3 mm;

the steel core sheath 120 is coated on the outer wall of the steel core body 110, and the diameter of the steel core sheath 120 and the steel core body 110 is 8-8.5 mm;

referring to fig. 1 to 3, a plurality of core guiding assemblies 200 are stranded on the outer wall of the steel core assembly 100 in the same direction, so as to increase the flexibility of the cable and further improve the bending resistance of the cable, and the core guiding assemblies 200 comprise:

copper conductor 210 is a class 5 copper conductor;

the composite insulating sleeve 220 is coated on the outer wall of the copper conductor 210, and the wall thickness of the composite insulating sleeve 220 is 0.7-1 mm;

referring to fig. 1 again, the composite sheath 300 is coated on the outer walls of the plurality of composite insulating sleeves 220, the composite sheath 300 is a thermoplastic polyurethane elastomer composite sheath, the wall thickness of the composite sheath 300 is 1.5-2mm, the outer diameter of the composite sheath 300 is 25-30mm, the thermoplastic polyurethane elastomer composite has excellent wear resistance and outstanding physical and mechanical properties, the tensile strength of the polyester TPU is close to 60Mpa, the elongation is close to 400%, the tensile strength of the polyether TPU is close to 50Mpa, the elongation is not less than 300%, excellent oil resistance is achieved, the temperature application range is wide, the composite sheath can be used at a temperature range of-40 ℃ to l25 ℃, and the hardness range is wide. And when the Shore hardness is A85 or even above, the TPU still keeps elasticity, has excellent tear resistance, is suitable for trolleys, has unusual performances in weather aging resistance, hydrolysis resistance, ultraviolet radiation resistance and the like, and effectively improves the performance of the cable.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a TPU combined material is insulating and sheath flexible cable for platform truck which characterized in that: the method comprises the following steps:

a steel core assembly (100);

a plurality of core guide assemblies (200), a plurality of the core guide assemblies (200) being stranded on an outer wall of the steel core assembly (100);

a composite sheath (300), the composite sheath (300) being wrapped over the outer walls of the plurality of core assemblies (200).

2. The TPU composite insulation and sheathing flexible cable for trolley according to claim 1, wherein: the steel core assembly (100) comprises:

a steel core body (110);

the steel core protective sleeve (120) is coated on the outer wall of the steel core body (110).

3. The TPU composite insulation and sheathing flexible cable for trolley according to claim 1, wherein: the core assembly (200) includes:

a copper conductor (210);

the composite insulating sleeve (220), the composite insulating sleeve (220) cladding is in on the outer wall of copper conductor (210).

4. The TPU composite insulation and sheathing flexible cable for trolley according to claim 1, wherein: the composite sheath (300) is a thermoplastic polyurethane elastomer composite sheath.

5. The TPU composite insulation and sheathing flexible cable for trolley according to claim 1, wherein: the wall thickness of the composite sheath (300) is 1.5-2 mm.

6. The TPU composite insulation and sheathing flexible cable for trolley according to claim 2, wherein: the diameter of the steel core body (110) is 1-3 mm.

7. The TPU composite insulation and sheathing flexible cable for trolley according to claim 3, wherein: the wall thickness of the composite insulating sleeve (220) is 0.7-1 mm.