一种高承载压实股钢绳压接索具

Crimping rigging made of compacted wire ropes and having high bearing capacity

Abstract

一种高承载压实股钢绳压接索具,其结构包括钢丝绳和压接索套,所述压接索套使用钢套无极环,索具用钢丝绳采用压实股钢丝绳。所述钢丝绳包括中心股、内层股、填充股和外层股,各股内钢丝呈面接触状。所述钢丝绳的内层股对称地包捻中心股,所述填充股位于相邻两个内层股的外间隙内,所述外层股对称地包捻在钢丝绳最外侧。本实用新型结构简单、合理、紧凑,所述钢套使用1Cr17Ni钢,所述索具用钢丝绳采用1*7-4*19S/4*7-8*26WS结构。所述压实股钢丝绳钢丝强度选择1960MPA,破断拉力系数0.46。钢丝绳索具强度和所用钢丝绳强度相同,不会因索具加工影响到强度。这种索具承载能力比普通压制的索具提高43%,并且索具在不承载的状态下不旋转。
A crimping rigging made of compacted wire ropes and having high bearing capacity comprises a wire rope and a crimping rope sling which employs a steel sleeved infinite ring. The wire rope used by the rigging is a crimping rope sling and comprises a central stand, inner strands, a filling strand and outer strands. Steel wires of each strand are in surface contact, and the inner strands symmetrically wrap the central stand. The filling strand fills in the outer gap between two adjacent inner strands, and the outer strands symmetrically wrap in the most outer side of the wire rope. The crimping rigging is simple, reasonable and compact in structure, and the steel sleeve is made of 1Cr17Ni steel. The wire rope used by the rigging is in 1*7-4*19S/4*7-8*26WS structure, and the steel wire of the crimping rope sling has a strength of 1960 MPA and a breaking force coefficient of 0.46. The strength of the rigging is the same with that of the steel wire and may not be affected by processing the rigging. The bearing capability of the rigging is 43 % higher than an ordinary compacting rigging, and the rigging does not rotate under non-loading state.

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