CN102493238B - Compacted strand steel wire rope for casting rigging - Google Patents
Compacted strand steel wire rope for casting rigging Download PDFInfo
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- CN102493238B CN102493238B CN201110437971.9A CN201110437971A CN102493238B CN 102493238 B CN102493238 B CN 102493238B CN 201110437971 A CN201110437971 A CN 201110437971A CN 102493238 B CN102493238 B CN 102493238B
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Abstract
The invention relates to a compacted strand steel wire rope for a casting rigging; the compacted strand steel wire rope totally comprises 35 strands; the diameters of internal strands, secondary external thick strands and external strands are identical; the diameters of secondary external thin strands are 65-70% of the diameters of the other strands; the internal strands and the secondary external strands are identical in the twisting direction; and the external strands and the two internal strands are opposite in the twisting direction. The central strand, the external strands and the secondary external strands form the central sub-rope of the steel wire rope; and the external strands and the central sub-rope form the steel wire rope. The 7-time strand diameter is used as the twisting length of the central strand, the 9-time strand diameter is used as the twisting lengths of the other strands, and the 6.3-time strand diameter is used as the twisting length of the central sub-rope, and the 7-time strand diameter is used as the twisting length of the steel wire rope. Steel wires for the steel wire rope adopt No. 80 carbon steel of high quality as raw materials; the processing compression ratio of the finished product is 85-90%, and the compression ratio of each strand steel wire rope is 16%. The strength and fracture coefficient of the compacted strand steel wire rope are greatly increased due to the characteristics of the selected material and structure; and the steel wire rope does not rotate in the natural state, thereby avoiding the convenience caused by the rotation of the steel wire rope.
Description
Technical field
The present invention relates to a kind of steel wire rope and preparation method thereof, particularly relate to casting rigging compaction-strand steel wire rope and preparation method thereof.
Background technology
Rigging is moved to realize object and be bound in hoisting machinery and by the stressed instrument between lifting objects, and in order to the primary structure member of firm space structure, be widely used in the industries such as iron and steel, chemical industry, transport, harbour.Casting rope rig is one of the most frequently used rigging, but existing steel wire rope compression ratio is low, and disrumpent feelings coefficient is little, and easy to wear, fracture of wire or disconnected stock, add easy rotation, cause lifting balance bad, can not meet the needs of practical application completely.The materials and structures of steel wire rope own is the key factor determining its quality.
Summary of the invention
In view of this, be necessary for above problem, provide a kind of compression ratio high, disrumpent feelings coefficient is large, and anti-rotation performance is good, anti abrasive steel wire rope.
For overcoming the above problems, the present invention adopts following technical scheme:
A kind of casting rigging compaction-strand steel wire rope, comprises 1 central strand, 6 internal layer stocks, 12 outer layer strand and 16 outer layer strand; Described time outer layer strand is divided into time outer thin stock and time outer thick stock; Internal layer stock, the thick stock of secondary skin, outer layer strand diameter are identical, and the thin stock diameter of secondary skin is the 65-70% of other strand of diameter; Internal layer stock, secondary outer layer strand are twisted with the fingers to identical, and outer layer strand is twisted with the fingers to contrary with the two-layer stock in the inside.Center rope in central strand, internal layer stock, secondary outer layer strand composition steel wire rope, outer layer strand and middle center rope composition steel wire rope.Described center strand lay pitch selects the stock footpath of 7 times, and other each stocks select the stock footpath of 9 times, and the rope footpath of 6.3 times selected by middle center rope, and the rope footpath of 7 times selected by steel wire rope.
Described strand wire is 6 steel wire bags and twists with the fingers 1 steel wire, the contact in face between steel wire.
Described rope wire selects 80# Fine Steel Casting iron raw material, finished product processing compression ratio 85-90%.
The compression ratio of described strand wire is 16%.
Compared with prior art, the present invention, in the feature of selection and configuration aspects, is that the present invention has following beneficial effect:
Cord strength increases to 2160MPA, improves 390MPA compared with prior art cord strength 1770MPA, and increase rate is 22%.Steel wire rope is disrumpent feelings, and coefficient brings up to 0.44 by 0.36, and increase rate is 22.2%.And each steel strand and rope strand select different stock footpaths and rope footpath, according to cancelling out each other of steel wire rope and stock moment of torsion, make steel wire rope non rotating under naturally vertical state, avoid the inconvenience because wire rope rotating causes.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Wherein, stock centered by 1,2 is internal layer stock, and 31 is time outer thin stock, and 32 is time outer thick stock, and 4 is outer layer strand.
Detailed description of the invention
Below in conjunction with accompanying drawing and implementation column, the present invention is described in further detail.
As shown in Figure 1, a kind of casting rigging compaction-strand steel wire rope comprises 35 compacting stocks, and specifically 3 layers of bag twist with the fingers central strand 1,6 internal layer stocks 2,12 outer layer strand, 16 outer layer strand 4; Internal layer stock 2, the thick stock of secondary skin 32, outer layer strand 4 diameter are identical, and secondary skin thin stock 31 diameter is the 65-70% of other strand of diameter; Internal layer stock, secondary outer layer strand are twisted with the fingers to identical, and outer layer strand is twisted with the fingers to contrary with the two-layer stock in the inside.Center rope in central strand, internal layer stock, secondary outer layer strand composition steel wire rope, outer layer strand and middle center rope composition steel wire rope.Described center strand lay pitch selects the stock footpath of 7 times, and other each stocks select the stock footpath of 9 times, and the rope footpath of 6.3 times selected by middle center rope, and the rope footpath of 7 times selected by steel wire rope, according to cancelling out each other of steel wire rope and stock moment of torsion, makes steel wire rope non rotating under naturally vertical state.
Described 35 compacting stocks are 6 steel wire bags and twist with the fingers 1 steel wire, and the cross section of described core wire is similar to regular hexagon, the cross section approximate trapezoid of cover wire, the contact in face between steel wire.Described central strand 1 can also be circle stock.
Center rope in central strand 1 synthetic steel wire rope twisted with the fingers by internal layer stock 2, secondary outer layer strand bag, it is the internal layer that 6 internal layer stocks 2 form outside central strand 1, time skin be made up of 6 outer carefully stocks 31 and 6 secondary outer thick stocks 32 outside internal layer stock 2, described outer thin stock 31 and time outer thick stock 32 alternately, are face contact between each stock.
Described rope wire selects 80# Fine Steel Casting iron raw material, finished product processing compression ratio 85-90%.
The per share compression ratio of described steel wire rope is 16%.
Described casting rigging compaction-strand steel wire rope preparation method is:
1, select 80# Fine Steel Casting iron as raw material;
2, through patenting heat treatment, drawn steel wire compression ratio is 85-90%;
3, steel wire has been twisted with the fingers round stock-traders' know-how and has been crossed mechanical presses, and compression ratio is 16%;
4, center rope in central strand synthetic steel wire rope twisted with the fingers by the internal layer stock twisted with the fingers, secondary outer layer strand bag, and internal layer stock, secondary outer layer strand are twisted with the fingers to identical;
5, the outer layer strand bag twisted with the fingers twist with the fingers in center rope be twisted into steel wire rope, outer layer strand and internal layer stock, secondary outer layer strand are twisted with the fingers on the contrary.
The cord strength adopting said method to prepare increases to 2160MPA, and improve 390MPA compared with prior art cord strength 1770MPA, increase rate is 22%.Steel wire rope is disrumpent feelings, and coefficient brings up to 0.44 by 0.36, and increase rate is 22.2%.Described center strand lay pitch selects the stock footpath of 7 times, and other each stocks select the stock footpath of 9 times, and the rope footpath of 6.3 times selected by middle center rope, and the rope footpath of 7 times selected by steel wire rope, according to cancelling out each other of steel wire rope and stock moment of torsion, makes steel wire rope non rotating under naturally vertical state.Under nature, steel wire rope non rotating, avoids the inconvenience because wire rope rotating causes.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (3)
1. a casting rigging compaction-strand steel wire rope, is characterized in that: comprise 1 central strand, 6 internal layer stocks, 12 outer layer strand and 16 outer layer strand; Internal layer stock, the thick stock of secondary skin, outer layer strand diameter are identical, and the thin stock diameter of secondary skin is the 65-70% of other strand of diameter; Described internal layer stock, secondary outer layer strand are twisted with the fingers to identical, and outer layer strand is twisted with the fingers to contrary with internal layer stock, secondary outer layer strand; Center rope in central strand, internal layer stock, secondary outer layer strand composition steel wire rope, outer layer strand and middle center rope composition steel wire rope, described center strand lay pitch selects the stock footpath of 7 times, and other each stocks select the stock footpath of 9 times; The rope footpath of 6.3 times selected by middle center rope, and the rope footpath of 7 times selected by steel wire rope.
2. casting rigging compaction-strand steel wire rope according to claim 1, is characterized in that: each stock of described steel wire rope is 6 steel wire bags and twists with the fingers 1 steel wire, the contact in face between steel wire.
3. casting rigging compaction-strand steel wire rope according to claim 2, is characterized in that: described steel wire selects 80# Fine Steel Casting iron to be raw material, and finished product processing compression ratio is 85-90%, and the compression ratio of each stock of described steel wire rope is 16%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110437971.9A CN102493238B (en) | 2011-12-23 | 2011-12-23 | Compacted strand steel wire rope for casting rigging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110437971.9A CN102493238B (en) | 2011-12-23 | 2011-12-23 | Compacted strand steel wire rope for casting rigging |
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| Publication Number | Publication Date |
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| CN102493238A CN102493238A (en) | 2012-06-13 |
| CN102493238B true CN102493238B (en) | 2015-05-13 |
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| CN201110437971.9A Active CN102493238B (en) | 2011-12-23 | 2011-12-23 | Compacted strand steel wire rope for casting rigging |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747626A (en) * | 2012-06-20 | 2012-10-24 | 贵州钢绳股份有限公司 | Compound twisted and compacted steel wire rope |
| CN102912664A (en) * | 2012-11-21 | 2013-02-06 | 江苏赛福天钢索股份有限公司 | Steel wire rope and producing method thereof |
| CN103243595A (en) * | 2013-05-20 | 2013-08-14 | 天津高盛钢丝绳有限公司 | Method for twisting steel wire rope |
| CN103741528A (en) * | 2014-01-16 | 2014-04-23 | 江苏赛福天钢索股份有限公司 | High-bearing rotation-resistant steel wire rope and production method thereof |
| CN104313390B (en) * | 2014-11-05 | 2016-09-14 | 常熟市慧丰塑料制品有限公司 | A kind of high strongly tensile rigging |
| CN105350361B (en) * | 2015-11-23 | 2018-11-06 | 江苏赛福天钢索股份有限公司 | A kind of compacted wire rope and preparation method thereof |
| CN110359303A (en) * | 2019-06-28 | 2019-10-22 | 咸阳宝石钢管钢绳有限公司 | A kind of compacting stock fills out modeling resistance rotating wire rope and its manufacturing method |
| CN111648149A (en) * | 2020-05-11 | 2020-09-11 | 贵州钢绳股份有限公司 | Sealing steel wire rope with diameter of 42mm and manufacturing method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU176944B (en) * | 1978-07-26 | 1981-06-28 | December 4 Drotmuevek | Stranded wire exclusively from steel wires |
| DE3117452A1 (en) * | 1981-05-02 | 1982-11-18 | Drahtseilwerk Saar GmbH, 6654 Kirkel | WIRE ROPE FROM A CORE ROPE AND AN OUTER LEAD LAYER STRIPPED ON IT, IN PARTICULAR TURN-FREE WIRE ROPE |
| JPH09137393A (en) * | 1995-11-10 | 1997-05-27 | Tokyo Seiko Co Ltd | Deformation-resistant multi-ply laid wire rope |
| CN201605481U (en) * | 2009-12-16 | 2010-10-13 | 江苏赛福天钢绳有限公司 | Steel wire rope for rotary digging machine |
| CN201770898U (en) * | 2010-08-12 | 2011-03-23 | 江苏芸裕金属制品有限公司 | Steel wire rope |
| CN201915282U (en) * | 2010-12-21 | 2011-08-03 | 江苏神王集团有限公司 | High-strength steel wire rope used for lifting |
| CN102251419A (en) * | 2011-07-13 | 2011-11-23 | 宝鸡石油机械有限责任公司 | High-strength compacted anti-rotation wire rope structure |
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