Steel wire rope

Abstract

The utility model discloses a steel wire rope. The steel wire rope comprises a central strand; the inner-layer steel wire strand comprises a plurality of strands of first steel wires, and the plurality of strands of first steel wires are spirally wound on the outer surface of the central strand; the first protective coating is arranged on the outer surface of the inner-layer steel wire strand; the outer-layer steel wire strand comprises a plurality of strands of second steel wires, and the plurality of strands of second steel wires are spirally wound on the outer surface of the first protective coating; the second protective coating is arranged on the outer surface of the outer-layer steel wire strand; and the lubricating core is filled in a gap between the central strand and the inner-layer steel wire strand. Through the combined action of the first protective coating, the second protective coating and the lubricating core, abrasion of the steel wire rope in the using process is reduced, the steel wire rope can be effectively isolated from external humid air and corrosive media, rusting and corrosion are prevented, and the steel wire rope can keep good performance in the severe environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel wire rope technical field especially relates to a steel wire rope. BACKGROUND

[0002] The existing steel wire rope because steel wire rope and pulley, reel part long -term friction contact, outer layer steel wire is easy to wear and tear, reduce the service life of steel wire rope, especially under complex working conditions, such as frequent hoisting heavy objects or in harsh environment, and in manufacturing or using, the stress between internal steel wires can be uneven, leading to local steel wire premature fatigue damage, affect the overall performance. Based on this design a kind of steel wire rope. SUMMARY

[0003] In order to overcome at least one of the above-mentioned defects of the prior art, the utility model provides a steel wire rope. Through the joint action of the first protective coating, the second protective coating and the lubricating core, the wear of the steel wire rope during use is reduced, and the steel wire rope can be effectively isolated from the humid air and corrosive medium outside, to prevent rust and corrosion, so that the steel wire rope can maintain good performance in harsh environments.

[0004] The utility model discloses a steel wire rope that can effectively prevent the wear and tear of the steel wire rope during use, and can effectively isolate the steel wire rope from the humid air and corrosive medium outside, to prevent rust and corrosion.

[0005] A steel wire rope, comprising: a center strand; an inner layer steel wire strand, the inner layer steel wire strand comprising a plurality of first steel wires, the plurality of first steel wires being helically wound on the outer surface of the center strand; a first protective coating, the first protective coating being arranged on the outer surface of the inner layer steel wire strand; an outer layer steel wire strand, the outer layer steel wire strand comprising a plurality of second steel wires, the plurality of second steel wires being helically wound on the outer surface of the first protective coating; a second protective coating, the second protective coating being arranged on the outer surface of the outer layer steel wire strand; and a lubricating core, the gap between the center strand and the inner layer steel wire strand being filled with the lubricating core.

[0006] Through the joint action of the first protective coating, the second protective coating and the lubricating core, the wear of the steel wire rope during use is reduced, and the steel wire rope can be effectively isolated from the humid air and corrosive medium outside, to prevent rust and corrosion, so that the steel wire rope can maintain good performance in harsh environments.

[0007] Further, the center strand is made of aramid fiber core.

[0008] Through the above-mentioned scheme, the aramid fiber has high strength and high toughness, which can provide certain flexibility and support effect for the steel wire rope.

[0009] Further, the first steel wire and the second steel wire are made of high-carbon steel material.

[0010] By adopting the above scheme, the overall strength of the steel wire rope is improved by high carbon steel.

[0011] Further, the lay length of the outer layer steel wire strand is smaller than that of the inner layer steel wire strand.

[0012] By adopting the above scheme, the overall structure of the steel wire rope is more compact.

[0013] Further, the first protective coating and the second protective coating each comprise, from inside to outside, a rust-proof primer and a wear-resistant topcoat.

[0014] By adopting the above scheme, the rust-proof primer has good adhesion to the surface of the steel wire, and can effectively prevent the steel wire from rusting; the wear-resistant topcoat can enhance wear resistance.

[0015] Further, the lubricating core adopts a solid lubricant.

[0016] By adopting the above scheme, the solid lubricant can be slowly released during use, and provide lubrication for the relative movement between the steel wires. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a sectional structure schematic view of the embodiment of the utility model;

[0018] Among them, the sign meaning is as follows: 1, center strand; 2, inner layer steel wire strand; 21, first steel wire; 3, first protective coating; 4, outer layer steel wire strand; 41, second steel wire; 5, second protective coating; 51, rust-proof primer; 52, wear-resistant topcoat; 6, lubricating core. DETAILED DESCRIPTION

[0019] In order to better understand and implement, the following will be combined with the drawings of the utility model, the technical scheme in the embodiment of the utility model is clearly and completely described and discussed, obviously, only part of the examples described here, not all examples, based on the embodiment in the utility model, all other examples obtained by the person skilled in the art without making creative efforts, belong to the protection scope of the utility model.

[0020] In order to facilitate the understanding of the embodiment of the utility model, the following will be combined with the drawings to explain and describe further with specific examples, and each embodiment does not constitute the limitation of the embodiment of the utility model.

[0021] In the description of the utility model, it is necessary to explain that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model.

[0023] Referring to Figure 1 The utility model discloses a steel wire rope: including center strand 1, inner layer steel wire strand 2, first protective coating 3, outer layer steel wire strand 4, second protective coating 5 and lubricating core 6, the inner layer steel wire strand 2 includes a plurality of first steel wire 21, a plurality of first steel wire 21 spiral winding is at the outer surface of center strand 1, first protective coating 3 sets up at the outer surface of inner layer steel wire strand 2, outer layer steel wire strand 4 includes a plurality of second steel wire 41, a plurality of second steel wire 41 spiral winding is at the outer surface of first protective coating 3, second protective coating 5 sets up at the outer surface of outer layer steel wire strand 4, the gap between center strand 1 and inner layer steel wire strand 2 is filled with lubricating core 6. Through the common effect of first protective coating 3, second protective coating 5 and lubricating core 6, the abrasion of steel wire rope in the use process is reduced, and the steel wire rope can be effectively isolated from the humid air and corrosive medium of outside world, rust and corrosion are prevented, so that the steel wire rope can also maintain good performance under the harsh environment. Among them, the lay pitch of outer layer steel wire strand 4 is less than the lay pitch of inner layer steel wire strand 2, and the design makes the structure of steel wire rope more compact.

[0024] In the embodiment, the center strand 1 adopts aramid fiber core, and the aramid fiber has high strength and high toughness, which can provide certain flexibility and supporting effect for the steel wire rope.

[0025] In the embodiment, the first steel wire 21 and the second steel wire 41 are both made of high-carbon steel material, which improves the overall strength of the steel wire rope. The spiral directions of the adjacent first steel wires 21 are opposite to each other to balance the internal stress.

[0026] In the embodiment, the first protective coating 3 and the second protective coating 5 each comprise, from inside to outside, a rust-proof primer 51 and a wear-resistant topcoat 52, the rust-proof primer 51 has good adhesion to the surface of the steel wire and can effectively prevent the steel wire from rusting, and the wear-resistant topcoat 52 can enhance the wear resistance.

[0027] Specifically, the lubricating core 6 adopts a solid lubricant, more specifically, the solid lubricant adopts molybdenum or graphite, and the solid lubricant can be slowly released during use to provide lubrication for the relative movement between the steel wires.

[0028] The technical means disclosed by the utility model scheme is not only limited to the technical means disclosed by the above-mentioned embodiment, but also includes the technical scheme composed of any combination of the above technical features. It should be pointed out that, for ordinary skilled persons in the technical field, under the premise of not departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the utility model.

Claims

1. A steel wire rope, characterized in that, The utility model relates to a kind of steel wire rope, including: Center strand; Inner layer steel wire strand, the inner layer steel wire strand includes multiple first steel wires, multiple the first steel wire is spirally wound on the outer surface of the center strand; First protective coating, the first protective coating is arranged on the outer surface of the inner layer steel wire strand; Outer layer steel wire strand, the outer layer steel wire strand includes multiple second steel wires, multiple the second steel wire is spirally wound on the outer surface of the first protective coating; Second protective coating, the second protective coating is arranged on the outer surface of the outer layer steel wire strand; Lubricating core, the gap between the center strand and the inner layer steel wire strand is filled with lubricating core.

2. A steel wire rope according to claim 1, characterized in that The center strand adopts aramid fiber core.

3. A steel wire rope according to claim 2, characterized in that The first steel wire and the second steel wire are both made of high-carbon steel material.

4. A steel wire rope according to claim 3, characterized in that The lay length of the outer layer steel wire strand is smaller than the lay length of the inner layer steel wire strand.

5. A steel wire rope according to claim 4, characterized in that The first protective coating and the second protective coating both include rust-proof primer and wear-resistant finish from inside to outside.

6. A steel wire rope according to claim 5, characterized in that The lubricating core adopts solid lubricant.

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