CN215668714U - Steel wire rope with high polymer material rope core - Google Patents

Steel wire rope with high polymer material rope core Download PDF

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Publication number
CN215668714U
CN215668714U CN202121737164.4U CN202121737164U CN215668714U CN 215668714 U CN215668714 U CN 215668714U CN 202121737164 U CN202121737164 U CN 202121737164U CN 215668714 U CN215668714 U CN 215668714U
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China
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outer layer
rope
rope core
core
steel wire
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CN202121737164.4U
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Chinese (zh)
Inventor
姚正宇
吴海峰
章伟
孟军
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Jiangsu Saifutian Group Co ltd
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Jiangsu Safety Wire Rope Co Ltd
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Abstract

The utility model discloses a steel wire rope with a high polymer material rope core, which comprises a rope core and rope strands outside the rope core, wherein the rope core comprises an outer layer rope core formed by twisting a plurality of aramid fiber yarns and an inner layer rope core formed by twisting a plurality of ultrahigh molecular polyethylene fiber yarns, the inner layer rope core is spirally wrapped by the outer layer rope core, and the aramid fiber yarns of the outer layer rope core and the ultrahigh molecular polyethylene fiber yarns of the inner layer rope core are in a tangent state; the strand comprises a strand core, a secondary outer layer fine wire and an outer layer thick wire, the strand core is wrapped by the secondary outer layer fine wire and the outer layer thick wire and twisted into the strand, and the strand is spirally wrapped and twisted on the periphery of the rope core. The steel wire rope made by using the high polymer fiber material as the rope core and the strand core and winding the carbon steel wires with two specifications has the advantages of lubricating effect, high strength, light dead weight, good winding performance, good elasticity, strong extrusion resistance, moisture resistance, corrosion resistance, wear resistance, fatigue resistance and the like.

Description

Steel wire rope with high polymer material rope core
Technical Field
The utility model belongs to the technical field of steel wire ropes, and particularly relates to a steel wire rope with a high polymer material rope core.
Background
The steel wire rope is also called steel wire rope, and is a spiral steel wire bundle formed by twisting steel wires with mechanical property and geometric dimension meeting the requirements together according to a certain rule. The steel cable is an important hoisting and traction steel cable which is widely applied to hoisting, transportation and other operations because of stable operation, large bearing capacity, stable transmission, reliable work and no noise in use.
In which the core is the central part of the steel cord, and for its basic supporting function, the conventional art usually uses one strand or one common steel wire as the core of the steel cord. However, such a steel wire rope cannot store functional grease, cannot be lubricated in the use process, and will gradually accumulate the hidden danger of rope breakage accidents along with the aggravation of damages such as abrasion and fatigue in the working process of the steel wire rope.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the steel wire rope with the steel wire rope core, the utility model provides the steel wire rope with the high polymer material rope core, which has the functions of storing grease and lubricating while ensuring the basic supporting and pressure reducing functions of the rope core, and prolongs the service life of the steel wire rope.
In order to achieve the purpose, the utility model provides a steel wire rope with a high polymer material rope core, which comprises a rope core and rope strands outside the rope core, wherein the rope core comprises an outer layer rope core formed by twisting a plurality of aramid fiber yarns and an inner layer rope core formed by twisting a plurality of ultrahigh molecular polyethylene fiber yarns, the inner layer rope core is spirally wrapped by the outer layer rope core, and the aramid fiber yarns of the outer layer rope core and the ultrahigh molecular polyethylene fiber yarns of the inner layer rope core are in a tangent state; the strand comprises a strand core, a secondary outer layer fine wire and an outer layer thick wire, the strand core is wrapped by the secondary outer layer fine wire and the outer layer thick wire and twisted into the strand, and the strand is spirally wrapped and twisted on the periphery of the rope core.
Preferably, the ultra-high molecular weight polyethylene fiber yarns of the inner rope core store functional grease. The ultra-high molecular weight polyethylene fiber used by the inner rope core is subjected to oleophylic pretreatment through a continuous ultraviolet radiation grafting reaction device, and has excellent oil storage capacity.
Preferably, the strand core is formed by twisting aramid fiber yarns. The aramid fiber strand core has the characteristic of a fiber tissue structure, and can temporarily absorb lubricating grease draining and permeating through the double-layer steel wire structure under high pressure, so that the lubricating effect of the steel wire rope is more ideal. And the steel wire rope has the excellent performances of ultrahigh strength, light weight and the like, so that the transverse extrusion capability of the steel wire rope can be further improved when the steel wire rope is used as a strand core.
Preferably, the secondary outer layer fine filaments and the outer layer coarse filaments are formed by wrapping and twisting carbon steel wires.
Preferably, a zinc coating is formed on the surface of the carbon steel wire of the outer layer thick wire.
Preferably, the number of the secondary outer layer filaments is equal to that of the outer layer thick filaments, a gap is formed between every two adjacent secondary outer layer filaments, and the outer layer thick filaments and the secondary outer layer filaments are tangent to the gap.
Preferably, the diameter of the outer layer filaments is half of that of the outer layer thick filaments, and the number of steel wires of the secondary outer layer filaments and the outer layer thick filaments is equal.
Preferably, the number of steel wires of the secondary outer layer fine wire and the outer layer coarse wire is 8.
The utility model has the beneficial effects that: use two kinds of polymer fiber to twist with fingers the rope core that system possess bilayer structure, wherein the storage grease that inner rope core ultra high molecular polyethylene fiber silk can be better, outer rope core aramid fiber silk can spill over the effect that the grease was restricted, drainage to the inner core, makes wire rope possess good lubricated effect for the storage grease obtains the use of high efficiency. The double-layer novel synthetic fiber core with high specific strength and high specific modulus has lighter self weight while playing a role in sufficient support and inter-strand decompression, so that the steel wire rope has better flexibility and elasticity.
Meanwhile, the outer strand adopts a structure that two carbon steel wires with one-time difference in thickness are spirally wrapped and twisted with a strand core of aramid fiber, so that the sections of the strands are tightly arranged, and the adjacent steel wires are in good contact; especially, when the steel wire rope is wound around a pulley or a winding drum, large local stress is not generated at the crossed part of the steel wire, and the steel wire rope has the capabilities of resisting moisture corrosion and preventing harmful substances from immersing into the steel wire rope. The outer layer thick wires are galvanized, so that the appearance of the steel wire rope is in a hard state, and the integral wear resistance of the steel wire rope is improved; the secondary outer layer thin soft steel wire improves the whole fatigue resistance of the steel wire rope. The structure can better lubricate and further improve the transverse extrusion capability, moisture resistance, corrosion resistance, wear resistance and fatigue resistance of the steel wire rope.
Drawings
Fig. 1 is a schematic structural view of a steel wire rope of a polymer material rope core according to the present invention.
In the figure: 1-double-layer rope core, 2-outer layer strand, 101-inner layer rope core, 102-outer layer rope core, 201-strand core, 202-secondary outer layer thin wire, 203-outer layer thick wire and 204-zinc coating.
Detailed Description
To further describe the present invention in detail, the following description is made with reference to the accompanying drawings. It is to be noted that the embodiments described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present embodiment provides a steel wire rope with a rope core made of a polymer material, which includes a rope core 1 and strands 2 outside the rope core. The strands 2 are spirally twisted around the core 1.
The rope core 1 comprises an outer layer rope core 102 formed by twisting a plurality of strands of aramid fiber yarns and an inner layer rope core 101 formed by twisting a plurality of strands of ultra-high molecular polyethylene fiber yarns, the outer layer rope core 102 is spirally wrapped on the inner layer rope core 101, and the aramid fiber yarns of the outer layer rope core 102 and the ultra-high molecular polyethylene fiber yarns of the inner layer rope core 101 are in a tangent state.
In this embodiment, the inner cord 101 is obtained by twisting a sliver made of ultra-high molecular polyethylene fiber; similarly, the outer layer rope core 102 is obtained by making aramid fiber yarn into a sliver and twisting and winding the sliver. The novel synthetic fiber material used by the two layers of rope cores has the characteristics of high specific strength and high specific modulus, has lighter dead weight when playing the role of sufficient support and pressure reduction between strands, and makes the steel wire rope have better flexibility and elasticity.
The strand 2 comprises a strand core 201, a secondary outer layer fine wire 202 and an outer layer thick wire 203, and the secondary outer layer fine wire 202 and the outer layer thick wire 203 are wrapped around the strand core 201 and are twisted into the strand 2.
Preferably, the ultra-high molecular weight polyethylene fiber of the inner rope core 101 stores functional grease. Specifically, the ultra-high molecular weight polyethylene fiber used in the inner rope core 101 is subjected to oleophylic pretreatment by a continuous ultraviolet radiation grafting reaction device, and has excellent oil storage capacity.
Preferably, the strand core 201 is formed by twisting aramid fiber yarns. Particularly, the twisted strand core of the aramid fiber has the characteristic of a fiber tissue structure, and can temporarily absorb lubricating grease which is drained and seeped through the double-layer steel wire structure under high pressure, so that the lubricating effect of the steel wire rope is more ideal. And the steel wire rope has the excellent performances of ultrahigh strength, light weight and the like, so that the transverse extrusion capability of the steel wire rope can be further improved when the steel wire rope is used as a strand core.
Preferably, the secondary outer layer filaments 202 and the outer layer thick filaments 202 are formed by carbon steel wire wrapping.
Preferably, a zinc plating layer 204 is formed on the surface of the carbon steel wire of the outer layer thick wire 203.
Preferably, the number of the secondary outer layer filaments 202 and the number of the outer layer thick filaments 203 are equal, a gap is formed between two adjacent secondary outer layer filaments 202, and the outer layer thick filaments 203 and the secondary outer layer filaments 202 are tangent at the gap.
Particularly, the sections of the tangent parts of the outer layer thick filaments 203 and the secondary outer layer thin filaments 202 of the strand 2 are closely arranged, and the contact between the adjacent steel wires is good; when the steel wire rope needs to wind around a pulley or a winding drum, large local stress is not generated at the crossed part of the steel wire rope, and the steel wire rope has the capabilities of resisting moisture corrosion and preventing harmful substances from immersing into the steel wire rope.
Preferably, the diameter of the outer layer filaments 202 is half of the diameter of the outer layer thick filaments 203, and the number of steel filaments of the secondary outer layer filaments 202 and the outer layer thick filaments 203 is equal.
Particularly, the outer layer thick wires 203 are made of thicker carbon steel wires and are subjected to galvanization treatment, so that the outer surface of the steel wire rope is in a harder state, and the overall wear resistance of the steel wire rope is improved; and the secondary outer layer filaments 202 are made of relatively softer fine carbon steel wires, so that the overall fatigue resistance of the steel wire rope is improved.
Preferably, the number of steel wires of the secondary outer layer filaments 202 and the outer layer thick filaments 203 is 8.
The steel wire rope disclosed by the utility model takes the polymer fiber material as the rope core and the strand core, and is made by winding the carbon steel wires of two specifications, so that the steel wire rope has the advantages of lubricating effect, high strength, light dead weight, good winding property, good elasticity, strong extrusion resistance, moisture resistance, corrosion resistance, wear resistance, fatigue resistance and the like.
The above-disclosed embodiments are merely illustrative of the present invention, which should not be construed as limiting the scope of the utility model, and therefore, the present invention is not limited thereto.
The scope of the present invention should be determined by the following claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and these should be considered within the scope of the utility model.

Claims (8)

1. A steel wire rope with a high polymer material rope core comprises the rope core and rope strands outside the rope core, and is characterized in that: the rope core comprises an outer layer rope core twisted by a plurality of aramid fiber yarns and an inner layer rope core twisted by a plurality of ultra-high molecular polyethylene fiber yarns, the outer layer rope core is spirally wrapped on the inner layer rope core, and the aramid fiber yarns of the outer layer rope core and the ultra-high molecular polyethylene fiber yarns of the inner layer rope core are in a tangent state; the strand comprises a strand core, a secondary outer layer fine wire and an outer layer thick wire, the strand core is wrapped by the secondary outer layer fine wire and the outer layer thick wire and twisted into the strand, and the strand is spirally wrapped and twisted on the periphery of the rope core.
2. The steel wire rope with the polymer material rope core according to claim 1, wherein: functional grease is stored in the ultra-high molecular polyethylene fiber yarns of the inner rope core.
3. The steel wire rope with the polymer material rope core according to claim 1, wherein: the strand core is formed by twisting aramid fiber yarns.
4. The steel wire rope with the polymer material rope core according to claim 1, wherein: the secondary outer layer thin filaments and the outer layer thick filaments are formed by wrapping and twisting carbon steel wires.
5. The steel wire rope with the polymer material rope core according to claim 4, wherein: and a zinc coating is formed on the surface of the carbon steel wire of the outer layer thick wire.
6. The steel wire rope with the polymer material rope core according to claim 1, wherein: the number of the secondary outer layer filaments is equal to that of the outer layer thick filaments, a gap is formed between every two adjacent secondary outer layer filaments, and the outer layer thick filaments and the secondary outer layer filaments are tangent to the gap.
7. The steel wire rope with the polymer material rope core according to claim 6, wherein: the diameter of the secondary outer layer filaments is half of that of the outer layer thick filaments, and the number of the steel wires of the secondary outer layer filaments is equal to that of the outer layer thick filaments.
8. The steel wire rope with the polymer material rope core according to claim 7, wherein: the number of the steel wires of the secondary outer layer thin wire and the outer layer thick wire is 8.
CN202121737164.4U 2021-07-28 2021-07-28 Steel wire rope with high polymer material rope core Active CN215668714U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121737164.4U CN215668714U (en) 2021-07-28 2021-07-28 Steel wire rope with high polymer material rope core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121737164.4U CN215668714U (en) 2021-07-28 2021-07-28 Steel wire rope with high polymer material rope core

Publications (1)

Publication Number Publication Date
CN215668714U true CN215668714U (en) 2022-01-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116084194A (en) * 2022-12-28 2023-05-09 江苏神王集团钢缆有限公司 A high-strength anti-fatigue steel wire rope and its manufacturing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116084194A (en) * 2022-12-28 2023-05-09 江苏神王集团钢缆有限公司 A high-strength anti-fatigue steel wire rope and its manufacturing method

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Address after: No. 151, Furong Zhongsan Road, Xishan Economic Development Zone, Xishan District, Wuxi City, Jiangsu Province, 214000

Patentee after: Jiangsu Saifutian Group Co.,Ltd.

Country or region after: China

Address before: No. 151, Furong Zhongsan Road, Xishan Economic Development Zone, Xishan District, Wuxi City, Jiangsu Province, 214000

Patentee before: JIANGSU SAFETY STEEL WIRE ROPE Co.,Ltd.

Country or region before: China