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Special cable of LLSR structure

A kind of cable and special technology, applied in the direction of textile cable, textile and paper making, can solve the problems of poor fatigue performance and low elastic modulus, and achieve the effect of poor fatigue resistance, large elastic modulus and good effect.

Inactive Publication Date: 2018-07-20
GUIZHOU WIRE ROPE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiencies in the prior art, provide a special cable with LLSR structure, solve technical problems such as extra-large diameter, low elastic modulus, poor fatigue performance, etc., and meet the needs of using cables in bridge construction

Method used

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  • Special cable of LLSR structure

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Embodiment Construction

[0012] A kind of LLSR structure special cable of the present invention is described in further detail below in conjunction with accompanying drawing:

[0013] figure 1 Among them, it consists of six steel wire ropes 1 twisted around a sealed steel wire rope 2.

[0014] The structure of the six steel wire ropes 1 is 6×19S+6×7+1×7, which consists of a central strand core 11 with a 1×7 structure, six inner layer strands 12 with a 1×7 structure and six outer strands with a 1×19S structure. The layer strands 13 are formed by one-time twisting, the inner strands 12 and the outer strands 13 are in a line contact state, the twisting structure is tight and stable, and the cable filling factor and breaking force are large.

[0015] The sealing steel wire rope 2 is composed of two to six layers of Z-shaped sealing steel wires 22 twisted around a central strand 21. The central core strand 21 has a structure of 1×37WS and is composed of 37 steel wires twisted at one time. The Z-shaped Th...

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Abstract

The invention provides a special cable of an LLSR structure. The special cable is formed by twisting six wire ropes around a sheathed wire rope, each of the six wire ropes is of the structure of 6*19S, 6*7 and 1*7, and is formed by twisting a central strand core of the 1*7 structure, six internal stranded ropes of the 1*7 structure and six external stranded ropes of the 1*19S structure one time, and the sheathed wire rope is formed by twisting two to six layers of Z-shaped sheathed wires around one central strand, wherein the central strand is of the 1*37 WS structure, and the number of the Z-shaped sheathed wires is not less than 44. The special cable of the LLSR structure is large in diameter, compact in structure, high in filling coefficient, large in breaking force and high in fatigueresistance.

Description

technical field [0001] The invention relates to a special cable with LLSR structure, which belongs to the technical field of metal products. Background technique [0002] The existing cables for bridges are mainly straight steel wires or steel strands, etc. The cables have high rigidity, high elastic modulus, poor fatigue performance, and the pulsating load test cannot meet the requirements. When using steel wire ropes to make cables, The diameter of the cable is small, generally below 100mm, and there are quality problems such as low elastic modulus, poor fatigue performance, and large structural elongation, which cannot meet the requirements of bridge construction. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the prior art, provide a special cable with LLSR structure, solve technical problems such as extra-large diameter, low elastic modulus, poor fatigue performance, etc., and meet the needs of using cables i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D07B1/06
CPCD07B1/068D07B1/0686D07B2201/1014D07B2201/1032D07B2201/1052D07B2201/1072D07B2201/2027D07B2201/2039D07B2201/2061D07B2205/3025D07B2401/2005D07B2401/2055D07B2501/203
Inventor 黄忠渠
Owner GUIZHOU WIRE ROPE
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