CN218026884U - Multilayer compacted strand wear-resistant steel wire rope - Google Patents

Abstract

The utility model discloses a wear-resisting wire rope of multilayer compaction thigh relates to wire rope technical field, including the wire rope main part. The utility model discloses a twist to opposite inlayer thigh and outer thigh, improve wire rope's anti-rotation performance and relative stability, and this wire rope's structure adopts compaction thigh and non-compaction thigh to combine and the inseparability that the packing thigh has multiplicable wire rope main part, the packing area is great and anti extrusion performance is good, wire rope's pliability and wearability have been improved, can make outer thigh surface wear-resisting and improve its corrosion protection ability more through the wearing layer, and the wearing layer with for the central rope multiplicable lubricating grease of fiber rope core storage capacity on wire rope, it promotes to slide to reduce friction factor, delay the emergence of steel wire surface fretting wear damage, restrain fatigue microcrack, prolong wire rope life betterly, can make wire rope be difficult for loosely through the fastener better.

Description

Multilayer compacted strand wear-resistant steel wire rope

Technical Field

The utility model relates to a wire rope technical field, more specifically says, the utility model relates to a wear-resisting wire rope of multilayer compaction thigh.

Background

The steel wire rope is a widely applied metal product, namely a compacted strand steel wire rope, namely, on the basis of a common strand, the strand is drawn or rolled, the strand is compressed to a certain extent, the contact area between steel wires is increased, and the multilayer compacted strand steel wire rope is a multilayer structure compacted strand steel wire rope.

The state intellectual property office in 2014.12.10 discloses a utility model patent that an announcement number is CN204000412U, the name is "a multilayer compaction thigh wire rope", this multilayer compaction thigh wire rope is woven and twisted with fingers by the steel wire and is formed, mainly for central rope and outer strand complex form, be the line contact between the steel wire, its innovation point lies in: the multilayer compacted strand steel wire ropes are twisted with each other in the left direction to form the steel wire rope with the lay length of 130.82-131.48mm and the diameter of 21.1-21.53 mm. The central rope is formed by arranging seven metal cores 1a1 and 1a2 at intervals as an outer layer, arranging seven metal cores 1b as an intermediate layer and a strand of metal core 1c as an inner layer, and left-twisting the metal cores at a lay length of 130.82-131.48mm to form the central rope with a strand diameter of 21.10-21.53 mm. Using steel wires with the diameter of 1.45mm as central steel wires, wrapping and twisting 6 steel wires with the diameter of 1.32mm in the left direction to form an outer layer strand with the lay length of 33.88-34.65mm, and compacting to form the outer layer strand with the strand diameter of 3.85 mm. The part from the middle layer to the center is formed in one step, then 18 strands on the outer layer are wrapped and twisted, and all strand structures are formed by wrapping and twisting 6 yarns on the outer layer at the center and compacting. The number of strands is more, and wire rope is softer, and all package strands are all carried out compaction and are handled, and the filled area is big, and anti rotation performance is better.

Above-mentioned wire rope is owing to adopt be the metal core structure, and the package is twisted with fingers the thigh and all carries out the compaction and handle, and its wire rope's friction is great, has wear-resisting and the relatively poor problem of pliability performance, influences wire rope's life, for this reason the utility model provides a wear-resisting wire rope of multilayer compaction thigh.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a wear-resisting wire rope of multilayer compaction thigh to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-layer compacted strand wear-resistant steel wire rope comprises a steel wire rope main body, wherein the steel wire rope main body sequentially comprises a central rope, a core strand, a plurality of inner layer strands and a plurality of outer layer strands from inside to outside, the core strand is wrapped and twisted outside the central rope, the inner layer strands are wrapped and twisted outside the core strand, the outer layer strands and the inner layer strands are opposite in twisting direction, a plurality of filling strands are arranged in a gap between the outer layer strands and the inner layer strands, and a wear-resistant layer is arranged on the outer layer strands;

the end cover of wire rope main part is equipped with the fastener, the fastener includes fastener, lower fastener, bolt and inserted bar and sets up in the inside slot with inserted bar looks adaptation of fastener, it is articulated mutually with the one end of fastener down to go up the fastener, the bottom of inserted bar and the top fixed connection of fastener down, the inside of slot is worn to locate by the surface of inserted bar, a plurality of even hole has been seted up on the inserted bar, the inside in even hole is worn to locate by the one end of bolt, the surface of bolt and the inside threaded connection of last fastener.

Preferably, the outer layer strand and the core strand are each compacted strands and the inner layer strand is a non-compacted strand.

Preferably, an outer surface of one end of the bolt is in tight interference with an outer surface of the upper clip piece.

Preferably, the central cord is a fiber cord core.

Preferably, the inserted link and the slot are both arc-shaped.

The utility model discloses a technological effect and advantage:

1. compared with the prior art, the twisting directions of the inner layer strand and the outer layer strand of the multi-strand steel wire rope are opposite, namely the torques are opposite, the anti-rotation performance and the relative stability of the steel wire rope are improved, the structure of the steel wire rope is formed by combining compacted strands and non-compacted strands, the compactness of a steel wire rope main body can be improved by the additionally arranged filling strands, the filling area is large, the anti-extrusion performance is good, the flexibility and the wear resistance of the steel wire rope are improved, the surface of the outer layer strand can be more wear-resistant through the wear-resistant layer, the anti-corrosion capacity of the outer layer can be improved, the storage capacity of lubricating grease on the steel wire rope can be increased through the wear-resistant layer and the central rope which is a fiber rope core, the friction factor is reduced, the sliding is promoted, the micro-abrasion damage on the surface of the steel wire is delayed, the fatigue microcrack is inhibited from happening, and the service life of the steel wire rope is well prolonged.

2. Compared with the prior art, the steel wire rope with a multi-layer multi-strand structure can be well sleeved, fastened and protected in a limiting mode through the fastening piece, and is not easy to loosen, and related transportation and use of the steel wire rope are facilitated.

Drawings

Fig. 1 is a schematic view of the whole local structure of the present invention.

Fig. 2 is a schematic diagram of the specific structure of the upper clamping member of the present invention.

Fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 2 according to the present invention.

The reference signs are: 1. a wire rope body; 11. a center cord; 12. a core strand; 13. an inner ply; 14. an outer layer strand; 2. filling the strand; 3. a wear layer; 4. a fastener; 5. an upper clamping piece; 6. a lower clamping piece; 7. a bolt; 8. a rod is inserted; 9. a slot; 10. and (7) connecting the holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The multi-layer compacted strand wear-resistant steel wire rope shown in the attached figures 1-3 comprises a steel wire rope body 1, wherein the steel wire rope body 1 sequentially comprises a central rope 11, a core strand 12 wrapped and twisted outside the central rope 11, a plurality of inner layer strands 13 wrapped and twisted outside the core strand 12 and a plurality of outer layer strands 14 wrapped and twisted outside the inner layer strands 13 from inside to outside, the twisting directions of the outer layer strands 14 and the inner layer strands 13 are opposite, a plurality of filling strands 2 are arranged in a gap between the outer layer strands 14 and the inner layer strands 13, a wear-resistant layer 3 is arranged on the outer layer strands 14, the outer layer strands 14 and the core strand 12 are respectively compacted strands, the inner layer strands 13 are non-compacted strands, and the central rope 11 is a fiber rope core;

wherein, the twisting directions of the inner layer strand 13 and the outer layer strand 14 are opposite, when the steel wire rope body 1 is applied with relative acting force, because the twisting directions of the inner layer strand 13 and the outer layer strand 14 of the strands are opposite, namely the torques are opposite, the friction forces are just counteracted with each other, the steel wire rope body 1 is well ensured not to be rotated, the relative stability of the steel wire rope is improved, and the structure of the steel wire rope adopts the combination of compacted strands and non-compacted strands and the added filling strand 2, which can increase the compactness of the steel wire rope body 1, also ensures better softness, improves the flexibility and the wear resistance of the steel wire rope, and the multi-layer compacted strand structure of the outer layer strand 14 and the core strand 12 which are compacted by the prior art, leads the filling area to be large, the anti-rotation performance to be better, and the steel wire rope has good wear resistance, fatigue resistance and anti-extrusion performance, the wear-resistant layer 3 on the outer strand 14 is a film layer formed after the existing manganese phosphating treatment, the phosphating film can enable the surface of the outer strand 14 to be more wear-resistant and improve the corrosion resistance, the porous structure of the phosphating film can increase the storage capacity of lubricating grease on the surface of the steel wire rope, reduce the friction factor and promote sliding, delay the occurrence of fretting wear damage on the surface of the steel wire rope, inhibit the initiation of fatigue microcracks, better prolong the service life of the steel wire rope and play a certain role in buffering, the central rope 11 is a fiber rope core, the oil storage performance and the wear-resistant effect of the steel wire rope can be further improved, the flexibility of the steel wire rope is also improved, the central rope 11 can be selected from the existing fiber rope core materials according to actual needs, and the application is not repeated;

the end part of the steel wire rope main body 1 is sleeved with a fastener 4, the fastener 4 comprises an upper clamping piece 5, a lower clamping piece 6, a bolt 7, an inserting rod 8 and a slot 9 which is formed in the upper clamping piece 5 and matched with the inserting rod 8, the upper clamping piece 5 is hinged with one end of the lower clamping piece 6, the bottom end of the inserting rod 8 is fixedly connected with the top of the lower clamping piece 6, the outer surface of the inserting rod 8 penetrates through the slot 9, a plurality of connecting holes 10 are formed in the inserting rod 8, one end of the bolt 7 penetrates through the connecting holes 10, the outer surface of the bolt 7 is in threaded connection with the inner part of the upper clamping piece 5, the outer surface of one end of the bolt 7 is tightly abutted against the outer surface of the upper clamping piece 5, and the inserting rod 8 and the slot 9 are respectively arc-shaped;

wherein, through going up fastener 5 and lower fastener 6 cover so that outer strand 14 outside and inlayer strand 13 etc. are in it in the outside of wire rope main part 1, and order to go up fastener 5 and lower fastener 6 and to being close to each other, make inserted bar 8 insert in slot 9, then connect fixedly through inserting bolt 7 in a connecting hole 10 of this position department and screwing bolt 7 into in fastener 5, can entangle the fastening and spacing protection to the wire rope that has multilayer stranded structure betterly through fastener 4, make wire rope difficult loose, be convenient for wire rope's relevant transportation and use etc., and fastener 4 is convenient for the dismouting.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a wear-resisting wire rope of multilayer compaction thigh, includes wire rope main part (1), its characterized in that: the steel wire rope body (1) sequentially comprises a central rope (11), a core strand (12) wrapped and twisted outside the central rope (11), a plurality of inner layer strands (13) wrapped and twisted outside the core strand (12) and a plurality of outer layer strands (14) wrapped and twisted outside the inner layer strands (13) from inside to outside, the twisting directions of the outer layer strands (14) and the inner layer strands (13) are opposite, a plurality of filling strands (2) are arranged in a gap between the outer layer strands (14) and the inner layer strands (13), and a wear-resistant layer (3) is arranged on the outer layer strands (14);

the end cover of wire rope main part (1) is equipped with fastener (4), fastener (4) include fastener (5), fastener (6), bolt (7) and inserted bar (8) and set up slot (9) of going up inside and inserted bar (8) looks adaptation of fastener (5), it is articulated mutually with the one end of lower fastener (6) to go up fastener (5), the bottom of inserted bar (8) and the top fixed connection of lower fastener (6), down the inside of slot (9) is worn to locate by the surface of inserted bar (8), a plurality of even hole (10) have been seted up on inserted bar (8), the inside of even hole (10) is worn to locate by the one end of bolt (7), the surface of bolt (7) and the inside threaded connection of last fastener (5).

2. The multi-layer compacted strand abrasion resistant steel cord as claimed in claim 1, wherein: the outer layer strand (14) and the core strand (12) are both compacted strands, and the inner layer strand (13) is a non-compacted strand.

3. The multi-layer compacted strand abrasion resistant steel cord as claimed in claim 1, wherein: the outer surface of one end of the bolt (7) is tightly abutted against the outer surface of the upper clamping piece (5).

4. The multi-layer compacted strand abrasion resistant steel cord as claimed in claim 1, wherein: the central rope (11) is a fiber rope core.

5. The multi-layer compacted strand abrasion resistant steel cord as claimed in claim 3, wherein: the inserted bar (8) and the slot (9) are arc-shaped respectively.

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