CN217149697U - Composite steel wire rope core - Google Patents

Abstract

The utility model provides a compound wire rope core, wind including central thigh and spiral a plurality of outer strands of central thigh evenly distributed, the heliciform is twisted with the fingers to make by the compound silk that a plurality of vegetable fibre and galvanized steel wire in the center thigh constitute, the central thigh is equipped with a protective layer and a reinforcement cover outward in proper order, reinforcement cover with the protective layer adaptation, the peripheral structure and the each of reinforcement cover outer strand adaptation, the shown periphery that reinforces the cover is equipped with predetermined quantity's recess, each the recess corresponds the cladding respectively outer strand is close to the side of central thigh, each outer strand is by interior and outer being equipped with an anticorrosive coating and a wearing layer in proper order. The composite steel wire rope core has the advantages of good lubrication, flexibility, corrosion resistance, good tensile and compressive capacity, stable structure and performance and long service life.

Description

Composite steel wire rope core

Technical Field

The utility model relates to a wire rope technical field especially relates to a compound wire rope core.

Background

The steel wire rope is a spiral steel wire bundle formed by twisting steel wires with mechanical property and geometric dimension meeting requirements together according to a certain rule, and consists of the steel wires, a rope core and lubricating grease. At present, the rope core for the steel wire rope is divided into a steel core and a fiber core, the steel core and the fiber core have respective advantages and disadvantages, and the steel core steel wire rope has good support property and impact resistance, but poor flexibility and poor oil storage effect. The fiber core comprises artificial fiber core (polyethylene, polypropylene, polyethylene and polypropylene mixed core) and plant fiber core (such as jute, sisal, jute and sisal mixed core), the plant fiber core has good oil content, poor diameter uniformity and tensile and anti-extrusion capability and strong hygroscopicity; the artificial fiber core is acid-base salt resistant, has good diameter uniformity and tensile and anti-extrusion capabilities, but has poor oil immersion capability and is easy to age. In practical application, the selection needs to be performed according to different use occasions. In addition, the conventional rope core is usually formed by directly twisting strands, no brake is generated between the strands, and the structure is likely to be loose in the using process, so that the performance stability and the use of the steel wire rope are influenced. The rope core is one of the components of the steel wire rope, and the support, the tensile property, the extrusion resistance and the lubrication, the flexibility and the corrosion resistance of the rope core and the structural stability of the rope core directly influence the whole use effect, the performance and the service life of the steel wire rope.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a good and stable compound wire rope core of performance.

For reaching this purpose, the utility model provides a compound wire rope core, wind including central thigh and spiral a plurality of outer strands of central thigh evenly distributed, central thigh twists with the compound silk that constitutes by a plurality of vegetable fibre and galvanized steel wire and forms the heliciform, central thigh is equipped with a protective layer and a reinforcement cover outward in proper order, reinforcement cover with the protective layer adaptation, the peripheral structure and each of reinforcement cover outer strand adaptation, the periphery that shows to reinforce the cover is equipped with predetermined quantity's recess, each the recess corresponds the cladding respectively outer thigh is close to central thigh's side, each outer strand is by interior and outer being equipped with an anticorrosive coating and a wearing layer in proper order.

Further preferably, the protective layer includes a braided layer formed by braiding galvanized steel wires, ultra-high molecular weight polyethylene fiber wires and water-blocking yarns.

Further preferably, the protective layer further comprises an anti-corrosion paint layer coated on the outer surface of the woven layer.

Preferably, each of the composite wires is formed by twisting a plurality of plant fibers and galvanized steel wires, the number of the plant fibers is the same as that of the galvanized steel wires, and the twisting direction of the central strand formed by the composite wires is opposite to that of the composite wires formed by the plant fibers and the galvanized steel wires.

Further preferred, the central strand diameter is less than 2.5 mm.

Preferably, the outer strand comprises an inner layer and an outer layer, the inner layer is formed by twisting a plurality of fiber composite wires formed by twisting artificial fibers and plant fibers, and the outer layer is a galvanized steel wire and is wrapped on the periphery of the inner layer in a twisting mode.

Further preferably, the twist direction of the outer strands around the central strand is opposite to the twist direction of the synthetic fibers and the plant fibers of the inner layer.

Further preferably, the anticorrosive coating is including setting up the water blocking layer of outer thigh periphery and setting up and be in the anticorrosive paint layer outside the water blocking layer, the wearing layer is twisted with fingers by manganese system phosphating steel wire and is formed.

The utility model discloses following beneficial effect has: the utility model provides a compound wire rope steel wire forms the spiral rope core with central thigh and outer thigh system of twisting with fingers to at central thigh peripheral hardware protective layer and reinforcement cover, the fastening nature of thigh and the compact type between outer thigh and interior thigh in the reinforcing, make the rope core be difficult for taking place loose and rotatory under the effect of external force, guarantee the stability of structure and performance, thereby make the rope core possess better support and anti extrusion ability, and the life of extension rope core. The central strand is formed by twisting a plurality of composite wires formed by twisting plant fibers and galvanized steel wires, the inner layer of the outer strand is formed by twisting a plurality of fiber composite wires formed by twisting artificial fibers and plant fibers, and the composite wires and the fiber composite wires have enough strong twisting force and elastic restoring force, so that the friction force can be quickly and effectively overcome, and the formed inner strand, the outer strand and the rope core have good compression resistance and tensile resistance.

The composite steel wire rope core has the advantages of good lubrication, flexibility and corrosion resistance, stable structure and performance and long service life.

Drawings

Fig. 1 is the structural schematic diagram of the composite steel wire rope core provided by the utility model.

Detailed Description

The embodiments described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, the present embodiment provides a composite steel cord, which includes a central strand 1 and a plurality of outer strands 2 spirally distributed around the central strand 1.

The central strand 1 is twisted into a spiral shape by a plurality of composite wires 11 formed by plant fibers and galvanized steel wires, each composite wire 11 is twisted by a plurality of plant fibers 111 and galvanized steel wires 112, the number of the plant fibers and the galvanized steel wires is the same, and the twisting direction of the composite wires 11 forming the central strand 1 is opposite to the twisting direction of the composite wires 11 formed by the plant fibers and the galvanized steel wires. Center thigh 1 is equipped with a protective layer 12 and a reinforcement cover 13 outward in proper order, protective layer 12 includes galvanized steel wire, ultra high molecular weight polyethylene fiber and the weaving layer 121 that forms is woven to the yarn that blocks water, and the coating is in the anti-corrosive paint layer 122 of weaving layer 121 surface, weaving layer 121 has better anti extrusion tensile resistance, bending resistance and extensibility can, has certain effect of blocking water simultaneously, in addition, coats anti-corrosive paint layer 122 outside weaving layer 121, makes when protective layer 12 improves the mechanical properties of rope core, improves the anticorrosive efficiency to inside material and structure. The reinforcing sleeve 13 is matched with the protective layer 12, the peripheral structure of the reinforcing sleeve 13 is matched with the outer strands 2, grooves with a preset number are formed in the periphery of the reinforcing sleeve 13, the grooves correspondingly wrap the side edges, close to the central strand 1, of the outer strands 2 respectively, the reinforcing sleeve 13 is arranged to enhance the fastening performance of the central strand 1, the central strand 1 is not prone to loosening, meanwhile, the tightness between the outer strands 2 and the central strand 1 is enhanced, impedance force is generated when the outer strands 2 move, the outer strands 2 are not prone to rotating under the action of external force, the structure and the performance are stable, and the tensile strength, the pressure resistance and the service life of the rope core are improved.

Each outer strand 2 comprises an inner layer 21 and an outer layer 22, the inner layer 21 is formed by twisting a plurality of artificial fibers and plant fibers, the outer layer 22 is a galvanized steel wire, and is twisted and coated on the periphery of the inner layer 21, so that the outer strand has good oil immersion capacity and extrusion resistance of a fiber core, and good support property and impact resistance of a steel core. The outer strand 2 is provided with an anti-corrosion layer 23 and a wear-resistant layer 24 in sequence from inside to outside. Anticorrosive coating 23 is including setting up the water-blocking layer 231 and the setting in outer 2 peripheries of thigh are in anticorrosive paint coating 232 outside water-blocking layer 231, water-blocking layer 231 is the yarn weaving layer that blocks water, and the yarn that blocks water absorbs water the multiplying power height, and the inflation is rapid when meeting water, fills outer 2 clearances of thigh, and vertical water-blocking effect is good, can avoid causing corruption and oxidation rust because of moisture or air infiltration to have good tensile strength, high magnification water-absorbing material combines even firm with the substrate, can improve the fixed ability between outer 2, makes the stable performance, and the practicality is strong, and can highly block water, choke, improves wire rope's corrosion resisting property. Meanwhile, the anti-corrosion paint coating 232 coated outside the water-resistant layer 231 can further provide better durability, weather resistance and acid and alkali salt resistance to the rope core of the steel wire rope, and further improve the anti-corrosion performance to internal materials and structures, the wear-resistant layer 24 is formed by twisting manganese series phosphated steel wires, the manganese series phosphated film on the surface of the steel wires is particularly wear-resistant and has strong anti-corrosion capability, and can prevent the steel wires from being worn and corroded, the fatigue life of the elevator steel wire rope with the manganese series phosphated coating twisted by using the manganese series phosphated steel wires is 3-4 times that of the elevator steel wire rope with the smooth surface, the service life of the elevator steel wire rope with the manganese series phosphated coating is overlong, the daily use cost is only thirty-forty percent of the elevator steel wire rope with the smooth surface, the cost performance is higher, the safety is better, the wear-resistant layer 24 formed by twisting the manganese series phosphated steel wires further improves the wear resistance and the anti-corrosion performance of the rope core, thereby improving the overall performance and the structural stability of the rope core, the service life is prolonged. The twisting direction of the outer strands 2 around the central strand 1 is opposite to that of the artificial fibers and the plant fibers of the inner layer 21, and loosening and rotation in use are not easily caused.

The utility model provides a compound wire rope steel wire forms the spiral rope core with central thigh 1 and 2 system of twisting with outer thigh to at 1 peripheral hardware protective layer 12 of central thigh and reinforcement cover 13, strengthen the fastening nature of central thigh 1 and the compact type between outer thigh 2 and central thigh 1, make the rope core be difficult for taking place loose and rotatory under the effect of external force, guarantee the stability of structure and performance, thereby make the rope core possess better support and anti extrusion ability, and the life of extension rope core. The central strand 1 is formed by twisting a plurality of composite filaments 11 twisted by plant fibers and galvanized steel wires, the inner layer 21 of the outer strand 2 is formed by twisting a plurality of fiber composite filaments 11 twisted by artificial fibers and plant fibers, and the composite filaments 11 and the fiber composite filaments 11 have enough strong twisting force and elastic restoring force, so that friction force can be quickly and effectively overcome, and the formed central strand 1, the outer strand 2 and the rope core have good compression resistance and tensile resistance. The composite steel wire rope core has the advantages of good lubrication, flexibility and corrosion resistance, stable structure and performance and long service life.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.

Claims (8)

1. The composite steel wire rope core is characterized by comprising a central strand and a plurality of outer strands which are spirally wound around the central strand and are uniformly distributed, wherein the central strand is twisted into a spiral shape by a composite wire consisting of a plurality of plant fibers and galvanized steel wires, a protective layer and a reinforcing sleeve are sequentially arranged outside the central strand, the reinforcing sleeve is matched with the protective layer, the peripheral structure of the reinforcing sleeve is matched with the outer strands, a preset number of grooves are formed in the periphery of the reinforcing sleeve, the grooves respectively correspondingly coat the side edges, close to the central strand, of the outer strands, and an anticorrosive layer and a wear-resistant layer are sequentially arranged outside the outer strands from inside to outside.

2. The composite steel cord core according to claim 1, wherein said protective layer comprises a braided layer formed by braiding galvanized steel wires, ultra-high molecular weight polyethylene filaments and water blocking yarns.

3. The composite steel cord core of claim 2, wherein said protective layer further comprises a layer of anti-corrosive paint applied to an outer surface of said braided layer.

4. The composite steel cord as claimed in claim 1, wherein each of said composite filaments is formed by twisting a plurality of plant fibers and galvanized steel wires in the same number, and the twist direction of said composite filaments forming said central strand is opposite to the twist direction of said composite filaments formed by said plant fibers and galvanized steel wires.

5. A composite steel cord core according to claim 1, characterised in that said central strand diameter is less than 2.5 mm.

6. The composite steel cord according to claim 1, wherein said outer strand comprises an inner layer and an outer layer, said inner layer being formed by twisting a plurality of composite filaments of fibers obtained by twisting artificial fibers and plant fibers, and said outer layer being a galvanized steel wire twisted around the outer periphery of said inner layer.

7. The composite steel cord core according to claim 6, wherein the twist direction of said outer strands around said central strand is opposite to the twist direction of said inner layer of said synthetic and vegetable fibers.

8. The composite steel cord according to claim 1, wherein said anti-corrosive layer comprises a water blocking layer disposed on the outer periphery of said outer strand and an anti-corrosive paint layer disposed on the outside of said water blocking layer, and said wear-resistant layer is twisted from manganese-based phosphated steel wires.

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