Seal steel wire rope with diameter of 200 mm for space structure
A technology of space structure and steel wire rope, applied in the field of steel wire rope, can solve the problems of uneven compressive stress, low breaking force, poor fatigue resistance, etc., and achieve the effect of obvious economic benefit, large metal cross-sectional area and strong tensile ability.
Pending Publication Date: 2019-05-17
GUIZHOU WIRE ROPE
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Problems solved by technology
[0003] The present invention aims to solve the problem of severe mutual extrusion caused by excessive slippage of steel wires between rope layers in addition to the primary bending stress caused by external circular objects such as pulleys or reels during the use of existing round steel wire single strand ropes. The secondary bending stress is generated due to the pressure. Because the inner layer structure of the rope is relatively loose, there will be a tertiary bending stress when it is serious. Poor fatigue resistance, at the same time, its small filling factor, low breaking force, short service life and large use limitations make it difficult to meet the technical problems of actual needs
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[0020] The present invention is further described below in conjunction with specific embodiment:
[0021] Such as figure 1 As shown, a sealed steel wire rope for a space structure with a diameter of 200 mm consists of a central metal core 1, a circular steel wire inner layer 2 and a Z-shaped steel wire outer layer 3 from the inside to the outside, and the total number of steel wires is 756.
[0022] The central metal core 1 is divided into four layers, the structure is 1×55SWS, and the steel wire structure is 1+9+9+9 / 9+18 from inside to outside, that is, there is 1 steel wire in the center, 9 wires in the first layer, and 9 wires in the first layer. There are 9 wires on the second layer, 18 wires on the third layer, 18 wires on the fourth layer, and 55 steel wires.
[0023] The inner layer 2 of the circular steel wire is divided into five layers, and the steel wire structure is 24+30+36+42+48 from the inside to the outside, that is, 24 wires in the first layer, 30 wires in th...
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Abstract
The invention relates to a seal steel wire rope with diameter of 200 mm for a space structure. The seal steel wire rope comprises a four-layer central metal core, five circular steel wire inner layersand seven Z-shaped steel wire outer layers sequentially from inside to outside, wherein the structure of the central metal core is 1*55 SWS, the steel wire structure is 1+9+9+9 or 9+18 from inside tooutside sequentially, and the number of steel wires is 55; the circular steel wire inner layers have the steel wire structure being 24+30+36+42+48 from inside to outside sequentially and the number of steel wires being 180; the seven Z-shaped steel wire outer layers have the steel wire structure being 60+67+74+68+76+84+92 from inside to outside sequentially and the number of steel wires being 521. The seal steel wire rope has reasonable structure, high tensile capacity, long service life and obvious economic benefits, and is suitable for space structure areas such as large sports venues, tourist ropeways and deep well lifting facilities.
Description
technical field [0001] The invention relates to a sealing steel wire rope for a space structure with a diameter of 200 mm, belonging to the technical field of steel wire ropes. Background technique [0002] With the continuous demand and development of space fields such as large-scale sports venues, tourist ropeways, and deep well hoisting facilities, the demand for steel wire ropes is increasing day by day. At the same time, higher requirements are put forward for the structural requirements, twisting quality and performance characteristics of steel wire ropes. Currently, Domestically produced single-strand ropes are usually round steel wires. In addition to the primary bending stress caused by external circular objects such as pulleys or drums, there are also serious mutual extrusion caused by excessive slippage of steel wires between rope layers. And produce secondary bending stress; because the inner layer structure of the rope is relatively loose, there will be tertiary...
Claims
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IPC IPC(8): D07B1/06
Inventor 黄忠渠贺孝宇严志远曾波郑立茂
Owner GUIZHOU WIRE ROPE