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A kind of high-speed elevator wire rope and its preparation method and application

A technology of steel wire rope and steel wire, applied in the field of steel wire rope, can solve the problems of poor fatigue performance of steel wire rope, low oil content of steel wire rope, poor oil storage performance, etc., and achieve the effect of high oil content, high fatigue resistance and less grease

Active Publication Date: 2018-01-02
JIANGSU SAFETY STEEL WIRE ROPE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problems of poor oil storage performance, low oil content in the steel wire rope and poor fatigue performance of the steel wire rope in the prior art, the present invention provides a high-speed elevator (that is, an elevator with a rated speed of 2.0-4.0m / s) The steel wire rope and its manufacturing method and application have high oil content, good fatigue resistance, and less grease on the surface of the steel wire rope. When the elevator is running, the grease will not accumulate on the traction sheave to cause the steel wire rope to slip.

Method used

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  • A kind of high-speed elevator wire rope and its preparation method and application

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] The present embodiment provides the following preparation method for preparing elevator wire rope, and its specific steps are:

[0049] (1) Comb the sisal raw material into sisal yarn, then spin the sisal yarn into sisal yarn, wherein each sisal yarn contains 55 sisal yarns, and then 33wt% of the sisal yarn is soaked in grease, Make sisal rope, the diameter of this sisal rope is 3.3mm, the oil content of sisal rope is 25wt% of the whole sisal rope;

[0050] (2) Twisting 6 steel wires and twisting 1 central steel wire to make an inner layer strand, pour oil on the steel wire during the preparation process, so that the steel wire in the inner layer strand is wrapped by grease, wherein the grease content in the inner layer strand is 4wt% ;

[0051] (3) After twisting the sisal rope with inner layer strands, make it pass through molten grease to make a metal core, wherein the oil content of the metal core is 17wt%;

[0052] (4) Twisting 9 first steel wires and 9 second st...

Embodiment 2

[0056] Except that each sisal yarn in step (1) contains 57 sisal yarns, the sisal yarn of 35wt% is impregnated with grease, the diameter of the sisal rope made is 3mm, and the grease content of sisal rope is the whole sisal rope 23wt% of hemp rope; the grease content in the inner layer strand is 3wt% in the step (2); the oil content of the metal core is 15wt% in the step (3); the grease content in the outer layer strand is 1.5wt in the step (5) %, other steps and material consumption are the same as in Example 1.

[0057] The grease content of the finally prepared elevator steel wire rope is 10wt%, and its anti-fatigue performance is 32% higher than that of the elevator steel wire rope in CN102134811A.

Embodiment 3

[0059] Except that each sisal yarn in step (1) contains 60 sisal yarns, 30wt% sisal yarns are soaked in oil, the diameter of the sisal rope made is 3.5mm, and the oil content of the sisal rope is the whole The 22wt% of sisal rope; The grease content in the inner layer strand is 5wt% in the step (2); The oil content of the metal core is 20wt% in the step (3); The grease content in the outer layer strand is 2wt in the step (5) %, other steps and material consumption are the same as in Example 1.

[0060] The grease content of the finally prepared elevator steel wire rope is 15wt%, and its anti-fatigue performance is 34% higher than that of the elevator steel wire rope in CN102134811A.

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Abstract

The invention provides a high-speed elevator steel wire rope and a preparation method and application thereof. The preparation method comprises the following steps that 1, sisal hemp yarn is infiltrated in grease to prepare a sisal hemp rope; 2, an inner strand is prepared, and oil is dripped on a steel wire in the inner strand preparation process; 3, the sisal hemp rope is wrapped with the inner strand in a twisted mode, and the treated sisal hemp rope is made to pass through molten grease to prepare a metal core; 4, an outer strand is prepared, the oil is dripped on a steel wire in the outer strand preparation process; 5, the metal core is wrapped with the outer strand in a twisted mode, a steel wire rope is prepared, and the grease on the surface of the steel wire rope is removed. The steel wire rope prepared through the preparation method is high in oil content and good in anti-fatigue performance, the grease on the surface of the steel wire rope is less, and the steel wire rope slipping phenomenon caused due to the fact that the grease accumulates on a traction sheave cannot occur during operation of an elevator.

Description

technical field [0001] The invention belongs to the field of steel wire ropes, and relates to an elevator steel wire rope and its preparation method and application, in particular to a high-speed elevator steel wire rope and its preparation method and application. Background technique [0002] During the operation of the elevator wire rope, the friction between the wire rope and the traction sheave is mainly used as the traction force to drive the car to run up and down. Due to the high speed of the high-speed elevator during operation, the friction between the wire rope and the traction sheave will accumulate the grease on the surface of the wire rope on the traction sheave, causing the wire rope to slip and affecting the operation of the elevator. [0003] In order to ensure the strength and diameter uniformity of the existing high-speed elevator wire ropes, metal core wire ropes are mostly used. The main structures are 1×7-8×7-8×19S and SF-8×7-8×19S. They are all compose...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D07B1/06
Inventor 杨岳民左士龙章伟
Owner JIANGSU SAFETY STEEL WIRE ROPE
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