CN205276032U

CN205276032U - Compaction wire rope

Info

Publication number: CN205276032U
Application number: CN201520939010.1U
Authority: CN
Inventors: 胡文林; 左士龙; 魏志远
Original assignee: Jiangsu Safety Wire Rope Co Ltd
Current assignee: Jiangsu Safety Wire Rope Co Ltd
Priority date: 2015-11-23
Filing date: 2015-11-23
Publication date: 2016-06-01
Anticipated expiration: 2025-11-23

Abstract

The utility model discloses a compaction wire rope, this wire rope is formed by 16 outer strand of first package torsade cores, the wire rope core include 1 center strand, 6 inlayer thighs and outer strand of 12 seconds and strand with strand between be the face contact and describe, center thigh, inlayer thigh and second form the wire rope core through twisting with the fingers to make for outer strand, and each strand of wire rope is the compaction thigh, the diameter ratio of first outer thigh and wire rope core is (0.2 -0.22): 1, the diameter ratio of center thigh and inlayer thigh is 1: (0.9 -0.95), outer strand of second is 1 including thick strand of mutual interval distribution with thin strand and the thick strand of diameter ratio with thin strand: (0.68 -0.72), the inlayer thigh is 1 with the diameter ratio of thick thigh: (0.9 -0.95). The utility model discloses optimize the proportional relation between each strand of wire rope, improved its breaking force coefficient, each strand all is face contact form between compaction thigh and each strand, reduce the contact stress between each strand, has improved wear resistance, adopt 1+6+12+16's package sth. Made by twisting form, through twist with the fingers to crisscross each strand of balance between power, take place rotatoryly when having avoided bearing.

Description

A kind of compacting wireline

Technical field

The utility model relates to wireline correlative technology field, particularly relates to a kind of compacting wireline.

Background technology

Maximize along with engineering machinery and intensive development, the supporting capacity of wireline is required more and more higher, and improves the effective metal area of wireline, be the effective means improving wireline supporting capacity. Therefore in wireline manufacturing processed, the supporting capacity of wireline is improved by strengthening the extruding to wireline.

In high-lift engineering machinery, as, on lifting equipment, the anti-rotation performance of wireline directly affects the use of wireline, therefore usually use multi-strand wire rope, with moment outer field in balance rope, to prevent wireline rotates after carrying. For improving the supporting capacity of wireline, usually use compaction-strand steel wire rope. But in the fabrication process, due to the extruding to wireline, cause wireline internal stress relatively big, even if making inside and outside ply stress moment equilibrium by process adjustments, after carrying, wireline still can cause its Balanced internal stress to change under external force, rotates phenomenon.

Practical novel content

The purpose of this utility model is to provide a kind of compacting wireline, to improve the supporting capacity of wireline, reduces the internal stress of wireline, solves wireline and produces to rotate because external force effect strengthens and the problem that affects its work-ing life.

For reaching this object, the utility model by the following technical solutions:

A kind of compacting wireline, this wireline is become by the bag torsade core of 16 first outer layer strand symmetries, and described rope core comprises 1 central strand arranged successively from inside to outside, 6 internal layer stocks and 12 the 2nd outer layer strand and contacts shape in face between stock with stock; Described central strand, internal layer stock and the 2nd outer layer strand form described rope core by twisting, and described first outer layer strand and central strand, internal layer stock and the 2nd outer layer strand are all compacting stocks; The ratio of described first outer layer strand diameter and rope core diameter is (0.2-0.22): 1; The ratio of described central strand diameter and internal layer stock diameter is 1:(0.9-0.95); Described 2nd outer layer strand comprises the thick stock of spaced distribution and thin stock, and the ratio of described thick stock diameter and thin stock diameter is 1:(0.68-0.72); The ratio of the thick stock diameter of described internal layer stock diameter and the 2nd outer layer strand is 1:(0.9-0.95).

Further, twisting with the fingers to the sth. made by twisting with rope core to identical of described first outer layer strand, and contrary with direction of rope lay; Described central strand, internal layer stock and the 2nd outer layer strand twist with the fingers to all with restrict core sth. made by twisting to contrary.

Further, the first outer layer strand described in each and central strand, internal layer stock and the 2nd outer layer strand are all twist with the fingers a middle steel wire by the bag of 6 cover wire symmetries to form.

Further, the equal diameters of the diameter of described cover wire and the middle steel wire by described cover wire bag sth. made by twisting.

The preparation method of above-mentioned compacting wireline comprises the following steps,

(1) 5 groups of steel wires of different diameter size, are chosen respectively, the bag of often organize in steel wire 6 cover wire symmetries is twisted with the fingers the first outer layer strand that steel wire in the middle of 1 makes the central strand of rope core, internal layer stock and the 2nd outer layer strand and wireline, then each personal share adopts extrusion mould extruding, and its rate of compression is 10%-12%;

(2), by 12 the 2nd outer layer strand, 6 internal layer stocks dividing two layers of symmetrical bag to twist with the fingers 1 central strand, then adopt and forge equipment and carry out compacting, its rate of compression is 5%-8%, forms rope core;

(3), the bag of 16 first cover wire symmetries is twisted with the fingers in step (2) the rope core formed, it is prepared into compacting wireline.

Compared with prior art, the beneficial effects of the utility model are: the utility model optimizes the proportionlity between each stock of wireline, reasonably determine the diameter ratio between each personal share of wireline, it is to increase the rupture pull force coefficient of wireline; First outer layer strand of wireline and the central strand of rope core, internal layer stock and the 2nd outer layer strand are all compacting stocks, and shape between the central strand of rope core, internal layer stock, the 2nd outer layer strand, is all contacted in face, reduce the contact stress between each stock, it is to increase the wear resisting property of wireline; The rope core of wireline described in the utility model adopts 1 central strand, 6 internal layer stocks to twist with the fingers and become with 12 the 2nd outer layer strand bags, and wireline adopts 16 first outer layer strand bag torsade cores and becomes, by twist with the fingers to the staggered power balanced between each stock, avoid wireline carry time rotate.

Accompanying drawing explanation

Fig. 1 is the diagrammatic cross-section of compacting wireline described in the utility model.

In figure:

1, the first outer layer strand; 2, rope core; 21, central strand; 22, internal layer stock; 23, the 2nd outer layer strand; 231, thick stock; 232, thin stock.

Embodiment

Below in conjunction with accompanying drawing and by embodiment, the technical solution of the utility model is described further.

Present embodiments provide a kind of compacting wireline, as shown in Figure 1, this wireline is become by the bag torsade core 2 of 16 first outer layer strand 1 symmetries, and described rope core 2 comprises 1 central strand, 21,6 internal layer stocks, 22 and 12 the 2nd outer layer strand 23 arranged successively from inside to outside and contacts shape in face between stock with stock; Described central strand 21, internal layer stock 22 and the 2nd outer layer strand 23 form described rope core 2 by twisting, and described first outer layer strand 1 and central strand 21, internal layer stock 22 and the 2nd outer layer strand 23 are all compacting stocks; The ratio of described first outer layer strand 1 diameter and rope core 2 diameter is (0.2-0.22): 1, it is preferable that, the ratio of the first outer layer strand 1 diameter described in the present embodiment and rope core 2 diameter is 0.2; The ratio of described central strand 21 diameter and internal layer stock 22 diameter is 1:(0.9-0.95), it is preferable that, the ratio of central strand 21 diameter described in the present embodiment and internal layer stock 22 diameter is 1:0.92; Described 2nd outer layer strand 23 comprises the thick stock of spaced distribution and thin stock, and the ratio of described thick stock diameter and thin stock diameter is 1:(0.68-0.72), it is preferable that, described in the present embodiment, the ratio of thick stock diameter and thin stock diameter is 1:0.7; The ratio of the thick stock diameter of described internal layer stock 22 diameter and the 2nd outer layer strand 23 is 1:(0.9-0.95), it is preferable that, the ratio of the thick stock diameter of internal layer stock 22 diameter described in the present embodiment and the 2nd outer layer strand 23 is 1:0.92.

The present embodiment optimizes the proportionlity between each stock of wireline, reasonably determine the diameter ratio between each personal share of wireline, it is to increase the rupture pull force coefficient of wireline. The rupture pull force coefficient of existing round strand steel wire rope is 0.39, and the rupture pull force coefficient of common compaction-strand steel wire rope is 0.41-0.42; And by detection it will be seen that the rupture pull force coefficient of wireline described in the present embodiment is more than or equal to 0.5, by the diameter ratio determined between each stock of wireline, greatly improve its rupture pull force coefficient, extend the work-ing life of wireline.

In the present embodiment, twisting with the fingers to the sth. made by twisting with rope core 2 to identical of described first outer layer strand 1, and contrary with direction of rope lay; Described central strand 21, internal layer stock 22 and the 2nd outer layer strand 23 twist with the fingers to all with rope core 2 sth. made by twisting to contrary, by sth. made by twisting to the staggered power balanced between each stock, avoid wireline carrying time rotate.

In the present embodiment, the first outer layer strand 23 described in each and central strand 21, internal layer stock 22 and the 2nd outer layer strand 23 are all twist with the fingers a middle steel wire by the bag of 6 cover wire symmetries to form; The diameter of described cover wire and the equal diameters of the middle steel wire twisted with the fingers by described cover wire bag, make the uniform force between each stock, causes because of unbalance stress and rotate or indivedual steel wire fracture when preventing wireline from carrying.

The present embodiment extrudes according to certain rate of compression respectively when preparing rope core and first outer layer strand of compacting wireline, the first outer layer strand and the rope central strand of core, internal layer stock and the 2nd outer layer strand is made to be all compacting stocks, and make forming surface contact respectively between each stock of rope core, reduce the contact stress between each stock, it is to increase the wear resisting property of wireline; The rope core of wireline adopts 1 central strand, 21,6 internal layer stocks 22 and 12 the 2nd outer layer strand 23 to wrap and twists with the fingers and become, and wireline adopts 16 first outer layer strand bag torsade cores and becomes, by twist with the fingers to the staggered power balanced between each stock, avoid wireline carry time rotate.

Obviously, above-described embodiment of the present utility model is only used to clearly demonstrate the utility model example, and is not the restriction to enforcement mode of the present utility model. For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description. Here without the need to also cannot all enforcement modes be given exhaustive. All any amendment, equivalent replacement and improvement etc. done within spirit of the present utility model and principle, all should be included within the protection domain of the utility model claim.

Claims

1. a compacting wireline, it is characterized in that, this wireline is become by bag torsade core (2) of 16 first outer layer strand (1) symmetries, and described rope core (2) comprises 1 central strand (21) arranged successively from inside to outside, 6 internal layer stocks (22) and 12 the 2nd outer layer strand (23) and contacts shape in face between stock with stock; Described central strand (21), internal layer stock (22) and the 2nd outer layer strand (23) form described rope core (2) by twisting, and central strand (21), internal layer stock (22) and the 2nd outer layer strand (23) of described first outer layer strand (1) and rope core (2) are all compacting stocks; The ratio of described first outer layer strand (1) diameter and rope core (2) diameter is (0.2-0.22): 1; The ratio of described central strand (21) diameter and internal layer stock (22) diameter is 1:(0.9-0.95); Described 2nd outer layer strand (23) comprises thick stock (231) and the thin stock (232) of spaced distribution, and the ratio of described thick stock (231) diameter and thin stock (232) diameter is 1:(0.68-0.72); The ratio of the thick stock diameter of described internal layer stock (22) diameter and the 2nd outer layer strand (23) is 1:(0.9-0.95).

2. compacting wireline according to claim 1, it is characterised in that, the sth. made by twisting of described first outer layer strand (1) is to the sth. made by twisting with rope core (2) to identical, and contrary with direction of rope lay; The sth. made by twisting of described central strand (21), internal layer stock (22) and the 2nd outer layer strand (23) to all with rope core (2) sth. made by twisting to contrary.

3. compacting wireline according to claim 1, it is characterized in that, the first outer layer strand (1) described in each and central strand (21), internal layer stock (22) and the 2nd outer layer strand (23) are all twist with the fingers a middle steel wire by the bag of 6 cover wire symmetries to form.

4. compacting wireline according to claim 3, it is characterised in that, the equal diameters of the diameter of described cover wire and the middle steel wire by described cover wire bag sth. made by twisting.