Composite core cableway steel wire rope and manufacturing method thereof
A technology of steel wire rope and composite core, applied in the field of metal products processing, can solve the problems of unstable structure and low service life of ropeway wire rope, and achieve the effect of saving production cost and user use cost, small structural elongation, and saving use cost.
Pending Publication Date: 2018-04-13
GUIZHOU WIRE ROPE
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[0003] The purpose of the present invention is to overcome the deficiencies of the prior art, provide a composite core cableway steel wire rope and its manufacturing method, and solve technical problems such as unstable structure and low service life of the cableway steel wire rope
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[0030] A kind of composite core ropeway steel wire rope of the present invention and its manufacturing method are described in further detail below in conjunction with accompanying drawing:
[0031] The composite-core cableway steel wire rope of the present invention is composed of a plastic rod core 2 and a multi-strand outer layer strand 3 with outer twisting, and the center of the plastic rod core 2 is a metal strand core 1 .
[0032] The number of strands of the outer strand rope 3 of the present invention is not less than 4 strands, preferably 6 strands and 8 strands, the number of steel wires of the outer strand rope is no less than 7, and the structure is 1×7, 1×19, 1×19W , 1×19S, 1×26WS, 1×31WS, 1×36WS, 1×41WS, 1×55SWS, etc.
[0033] The structure of the metal strand core 1 of the present invention is 1×3, 1×7, 1×19, 1×19W, 1×19S, etc.
[0034] The unilateral thickness of the plastic layer of the plastic rod core 2 of the present invention is 1-12mm, preferably 2.5-6m...
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Abstract
The invention provides a composite core cableway steel wire rope. The composite core cableway steel wire rope is composed of a plastic rod core coated and twisted by multiple strands of outer layer strand ropes. The center of the plastic rod core is a metal strand core, not less than 4 strands of outer layer strand ropes are arranged, and the metal strand core is of a 1*7 structure, wherein the single-side thickness of a plastic layer of the plastic rod core is 2.5-6 mm. According to a manufacturing method, an intermediate frequency furnace heating device is installed between a paying off device and a rope twisting machine, when the ropes are twisted, the plastic rod core is paid off from the paying off device and is then heated through an intermediate frequency furnace sensing and heatingdevice, outer layer plastic of the plastic rod core is softened, the plastic rod core softened at a rope pressing tile is enclosed with the outer layer strand ropes to be twisted into a rope, then through forming with a fixed diameter roller, the outer layer strand ropes are tightly integrated with the plastic rod core, and the steel wire rope is stable in structure. The composite core is good insupporting effect, and the steel wire rope is stable in structure.
Description
technical field [0001] The invention relates to a composite core cableway steel wire rope and a manufacturing method thereof, belonging to the technical field of metal product processing. Background technique [0002] At present, the rope core of the cableway steel wire rope is usually made of PPC core. The cableway steel wire rope produced by the PPC core has a diameter of 2% to 4% larger in the relaxed state than in the working state. The structure is unstable and the structure is elongated. The support effect of the strands is not good. After the steel wire rope is pre-tensioned, the structural stability of the steel wire rope is not ideal, and the strands will still be damaged during use, which reduces the service life of the steel wire rope. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art, provide a composite core cableway steel wire rope and its manufacturing method, and solve technical problems...
Claims
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IPC IPC(8): D07B1/06D07B1/16D07B7/02D07B7/14
CPCD07B1/0693D07B1/165D07B7/02D07B7/027D07B7/145D07B2201/1032D07B2201/104D07B2401/208D07B1/0686D07B2207/404D07B2801/60
Inventor 黄忠渠贺孝宇严志远夏楠李伟郑立茂
Owner GUIZHOU WIRE ROPE