CN104452379A

CN104452379A - Multi-strand compact cable wire

Info

Publication number: CN104452379A
Application number: CN201410721473.0A
Authority: CN
Inventors: 顾红飞; 黄建明; 黄玮颉; 潘成艳; 杨兆全
Original assignee: JIANGSU SHENWANG GROUP CO Ltd
Current assignee: JIANGSU SHENWANG GROUP CO Ltd
Priority date: 2014-12-03
Filing date: 2014-12-03
Publication date: 2015-03-25

Abstract

The invention discloses a multi-strand compact cable wire which comprises a central strand, 6 inner layer strands, 12 second layer strands and 6 outer layer strands from outside to inside in sequence, wherein the second layer strands comprise second layer thick strands and second layer thin strands, the second layer thick strands and the second layer thin strands are uniformly arranged at intervals, the second layer thick strands and the second layer thin strands surround the inner layer strands and are in linear contact with the inner layer strands, the second layer strands and the outer layer strands form point contact, the multi-strand compact cable wire disclosed by the invention is stable in structure, high in breaking tensile strength, and excellent in extrusion resistance, rotation resistance and fatigue resistance, and is widely used on tire cranes, rotary drilling rigs, port cranes, truck cranes lower than 80 tons, crawler cranes and other lifting equipment.

Description

A kind of multiply compaction-strand steel wire rope

Technical field

The present invention relates to a kind of steel wire rope, particularly relate to a kind of multiply compaction-strand steel wire rope.

Background technology

In industrial production, steel wire rope is common equipment, compaction-strand steel wire rope have with mate pulley (reel) groove have long-pending compared with large contact surface, different layers steel wire Contact stress is little, more adapt to the advantage such as multi-lay winding and higher rupture pull force, in quality in kind, serviceability be all better than common round-strand rope in service life, be the main flow direction of steel wire rope industry development, also become the main research and development content of each Wire Rope Production producer.

But in real operation, because the occupation mode of compacted wire rope is different with environment, the rupture pull force intensity of steel wire rope, anti-extrusion, anti-rotation, anti-fatigue performance are undesirable, and therefore the stability of compacted wire rope its performance under severe rugged environment becomes the urgent technical problem solved.

Summary of the invention

The present invention seeks to provide a kind of multiply compaction-strand steel wire rope to overcome the deficiencies in the prior art.

For achieving the above object, the technical solution used in the present invention is: a kind of multiply compaction-strand steel wire rope, described multiply compaction-strand steel wire rope comprises 1 central strand, complex root internal layer stock, complex root two layers of stock and complex root outer layer strand from inside to outside successively, described two layers of stock comprise two layers of thick stock and two layers of thin stock, described two layers of thick stock and described two layers thin stock uniform intervals are arranged, described two layers of thick stock and two layers of thin stock are centered around the outside of described internal layer stock, and be linear contact lay with described internal layer stock, described two layers of stock and described outer layer strand form point cantact.

Preferably, the quantity of described internal layer stock is 6.

Preferably, the quantity of described two layers of thick stock and two layers of thin stock is 6.

Preferably, the quantity of described outer layer strand is 16.

Preferably, form a recess between every two described internal layer stocks, described each recess arranges 1 two layers of thick stock.

Preferably, described central strand, internal layer stock, two layers of stock and outer layer strand are the shallow bid composition of 1 × 7.

Preferably, described internal layer stock, two layers of thick stock and two layers of thin stock are Wa Lin and gulp down structural metal core.

Preferably, described outer layer strand and rope are that twist-on-twist is shaping.

Preferably, described central strand, internal layer stock, two layers of thick stock, two layers of thin stock and outer layer strand all comprise complex root steel wire.

Multiply compaction-strand steel wire rope of the present invention, Stability Analysis of Structures, rupture pull force intensity is high, anti-extrusion, anti-rotation and anti-fatigue performance good, the instructions for use under severe rugged environment can be met.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, technical solution of the present invention is described further.

Accompanying drawing 1 is structural representation of the present invention.

Detailed description of the invention

Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.

As shown in Figure 1, multiply compaction-strand steel wire rope of the present invention, comprise central strand 1, internal layer stock 2, two layers of stock 3 and outer layer strand 4, described two layers of stock 3 comprise two layers of thick stock 31 and two layers thin stocks 32, described two layers of thick stock 31 and described two layers thin stock 32 uniform intervals are arranged, described two layers of thick stock 31 and two layers thin stocks 32 are centered around the outside of described internal layer stock 2, and with described internal layer stock 2 in linear contact lay, described two layers of stock 3 form point cantact with described outer layer strand 4, structure is more stable, has good anti-extrusion, anti-fatigue performance and wear resistance.

Specifically, multiply compaction-strand steel wire rope of the present invention comprises 1 central strand, 1,6 internal layer stocks, 2,6 two layers thick stock, 31,6 described two layers thin stocks 32 and 16 outer layer strand 4, described central strand 1, internal layer stock 2, two layers of stock 3(bis-layers of thick stock 31 and two layers thin stocks 32) and outer layer strand 4 arrange from inside to outside successively, 6 internal layer stocks 2 are looped around the outside of described central strand 1, two layers of stock 3 are looped around outside described internal layer stock 2, and 16 outer layer strand 4 are looped around outside described outer layer strand 4.

Furtherly, a recess 21 is formed between described every two described internal layer stocks 2, described each recess arranges 1 two layers of thick stock, 6 two layers thick stock 31 are arranged on 6 recess 21 positions, evenly arrange 6 two layers of thin stocks between 6 two layers of thick stocks, because two layers of thick stock 31 and two layers thin stocks 32 are centered around the outside of described internal layer stock 2, and with described internal layer stock 2 in linear contact lay, described two layers of stock and described outer layer strand form point cantact, and the rupture pull force intensity of steel wire rope is high, anti-extrusion, anti-rotation performance is better.

Preferably, this structure steel wire rope is through overcompaction and select twist-on-twist, the rope strand of this steel wire rope is the shallow bid composition of 1 × 7,18 stocks (internal layer stock and two layers of stock) in the inside gulp down structure for a watt woods, form metal-cored, be point cantact with 16 outer layer strand, in use there is more good anti-extrusion, anti-fatigue performance and wear resistance, greatly improve the service life of product.

Described central strand, internal layer stock, two layers of thick stock, two layers of thin stock and outer layer strand all comprise the steel wire of complex root better softness, and specifically, this steel wire rope comprises 245 steel wires, and softness is good, and this structure steel wire rope anti-rotation performance is good, Stability Analysis of Structures.

During production, series connection unit is used to produce, metal-coredly to become with rope twisted, make metal-cored more tight with the twisted of outer layer strand, substantially increase the Twisting quality of steel wire rope, and this structure strand wire is through compacting, cross section metal is long-pending large, rupture pull force is high, and this present invention multiply compaction-strand steel wire rope has good softness, this structure steel wire rope anti-rotation; Structure is more stable, has good anti-extrusion, anti-fatigue performance and wear resistance; And Breaking load is high; Be widely used in being applicable on tyre crane, rotary drilling rig, the truck crane of port machine and less than 80 tons, crawler crane and other erecting equipment.Multiply compaction-strand steel wire rope of the present invention has filled up the Blank space of construction of domestic compaction-strand steel wire rope, facilitates the development of domestic compaction-strand steel wire rope.

Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.

Claims

1. a multiply compaction-strand steel wire rope, it is characterized in that, described multiply compaction-strand steel wire rope comprises 1 central strand, complex root internal layer stock, complex root two layers of stock and complex root outer layer strand from inside to outside successively, described two layers of stock comprise two layers of thick stock and two layers of thin stock, described two layers of thick stock and described two layers thin stock uniform intervals are arranged, described two layers of thick stock and two layers of thin stock are centered around the outside of described internal layer stock, and are linear contact lay with described internal layer stock, and described two layers of stock and described outer layer strand form point cantact.

2. multiply compaction-strand steel wire rope according to claim 1, is characterized in that: the quantity of described internal layer stock is 6.

3. multiply compaction-strand steel wire rope according to claim 1, is characterized in that: the quantity of described two layers of thick stock and two layers of thin stock is 6.

4. multiply compaction-strand steel wire rope according to claim 1, is characterized in that: the quantity of described outer layer strand is 16.

5. multiply compaction-strand steel wire rope according to claim 1, is characterized in that: form a recess between every two described internal layer stocks, described each recess arranges 1 two layers of thick stock.

6. multiply compaction-strand steel wire rope according to claim 1, is characterized in that: described central strand, internal layer stock, two layers of stock and outer layer strand are the shallow bid composition of 1 × 7.

7. multiply compaction-strand steel wire rope according to claim 1, is characterized in that: described internal layer stock, two layers of thick stock and two layers of thin stock are Wa Lin and gulp down structural metal core.

8. multiply compaction-strand steel wire rope according to claim 1, is characterized in that: described outer layer strand and rope are that twist-on-twist is shaping.

9. multiply compaction-strand steel wire rope according to claim 1, is characterized in that: described central strand, internal layer stock, two layers of thick stock, two layers of thin stock and outer layer strand all comprise complex root steel wire.