CN215405291U - Flexible wear-resistant anti-extrusion steel wire rope - Google Patents

Abstract

The utility model relates to a flexible wear-resistant anti-extrusion steel wire rope, which comprises a metal core and an outer layer rope, wherein the metal core comprises a central strand, a first layer of strands and a second layer of strands which are twisted in the same direction at one time, the outer layer rope is wrapped and twisted outside the metal core by a third layer of strands, the twisting direction of the outer layer rope is opposite to that of the metal core, the first layer of strands is formed by arranging six first steel wire strands around the central strand into a closed ring, the second layer of strands is formed by wrapping and twisting six second steel wire strands and six second small steel wire strands outside the first layer of strands, the third layer of strands is formed by wrapping and twisting ten third steel wire strands outside the metal core, the central strand and the first steel wire strands, the second steel wire strand and the second small steel wire strand are formed by arranging six steel wires into a closed ring around a central wire of the second steel wire strand and compacting the closed ring, and the third steel wire strand is formed by wrapping a first layer of steel wires, a second layer of steel wires and a third layer of steel wires on the outer side of the central wire and compacting the first layer of steel wires, the second layer of steel wires and the third layer of steel wires. The flexible wear-resistant and extrusion-resistant steel wire rope has good flexibility, wear resistance and extrusion resistance.

Description

Flexible wear-resistant anti-extrusion steel wire rope

Technical Field

The utility model relates to a steel wire rope for hoisting machinery, in particular to a 10-strand flexible wear-resistant steel wire rope.

Background

With the development of domestic hoisting machinery, the requirements on the comprehensive performance of the steel wire rope are higher and higher. Particularly under some special working conditions, such as limited space, small rope wheel ratio, severe friction between the rope and the wheel, and need to be wound in multiple layers, the requirements on the bearing capacity, flexibility, structural stability, anti-extrusion performance and wear resistance of the steel wire rope are extremely high. The six-strand or eight-strand steel wire rope with the standard structure has small number of strands, large diameter of outer layer steel wire, good wear resistance but insufficient flexibility, and the metal core of the steel wire rope is usually an independent common wire contact round strand steel wire rope, so that the extrusion resistance is insufficient; the steel wire rope with the common structure and the multilayer strands has more strands, small diameter of outer layer steel wires, and more flexibility but insufficient wear resistance. That is, it is difficult for the conventional steel wire rope product with a standard structure to simultaneously meet the requirements of various aspects, so that a steel wire rope capable of simultaneously meeting the requirements of flexibility, extrusion resistance and wear resistance is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flexible wear-resistant and extrusion-resistant steel wire rope which has good flexibility, wear resistance and extrusion resistance.

The utility model relates to a flexible wear-resistant and extrusion-resistant steel wire rope, which comprises a metal core and an outer layer rope, wherein the metal core comprises a central strand, a first layer of strands and a second layer of strands, the first layer of strands and the second layer of strands are twisted in the same direction at one time, the outer layer rope is a third layer of strands wrapped outside the second layer of strands, the twisting direction of the outer layer rope is opposite to the twisting direction of the metal core, the central strand is wrapped in the middle by the first layer of strands, the second layer of strands is wrapped outside the first layer of strands, the first layer of strands consists of six first steel strands, the six first steel strands are respectively abutted against the outer side of the central strand and are sequentially arranged into a closed ring along the circumferential direction, the second layer of strands consists of six second steel strands and six second small steel strands, the second steel strands and the second small steel strands are abutted against the outer side of the first steel strands and are sequentially and alternately arranged into a ring along the circumferential direction, the second steel strands are positioned between two adjacent first steel strands and are tangential to the two adjacent first steel strands simultaneously, the second small steel wire strands are positioned at the middle position between every two adjacent second steel wire strands and tangent to the first steel wire strands.

The third layer of strands consists of ten third steel strands, wherein the ten third steel strands are arranged in a circle at equal intervals along the circumferential direction and are tightly abutted against the outer sides of the second steel strands and the second small steel strands.

The utility model relates to a flexible wear-resistant anti-extrusion steel wire rope, wherein each third steel wire strand is formed by compacting a central steel wire, a first layer of steel wires wrapping the central steel wire, a second layer of steel wires wrapping the outer side of the first layer of steel wires and a third layer of steel wires wrapping the outer side of the second layer of steel wires, the first layer of steel wires is formed by five first steel wires which lean against the outer side of the central steel wire and are tightly arranged into a circle along the circumferential direction, the second layer of steel wires is formed by five second steel wires which lean against the outer side of the first steel wires and are tangent to every two adjacent first steel wires and five second small steel wires which are respectively plugged between every two adjacent second steel wires and lean against the outer side of the first steel wires simultaneously, and the third layer of steel wires is formed by ten third steel wires which lean against the outer side of the second layer of steel wires and are tightly arranged into a circle along the circumferential direction.

The utility model relates to a flexible, wear-resistant and extrusion-resistant steel wire rope, which is characterized in that the internal structures of a central strand, a first steel strand, a second steel strand and a second small steel strand are arranged in the same way and are all formed by compacting a central steel wire of the central strand, a central steel wire of the first steel strand, a central steel wire of the second steel strand and a first layer of steel wires wrapping the central steel wire of the central strand, the central steel wire of the first steel strand, the central steel wire of the second steel strand and the central steel wire of the second small steel strand, wherein the first layer of steel wires are formed by respectively leaning against the central steel wire of the central strand, the central steel wire of the first steel strand, the central steel wire of the second steel strand and the first steel wire of the second small steel strand and are tightly arranged in the circumferential direction for one circle.

Compared with the metal core of a common steel wire rope, the metal core of the flexible wear-resistant anti-extrusion steel wire rope has the advantages that the number of strands is increased, the flexibility of the steel wire rope can be effectively improved, the strands are in linear contact with each other and are compacted and deformed, the structure is good, the anti-extrusion capacity is improved, and meanwhile, the breaking tension is correspondingly improved; 10 strand steel wire strands of outer rope compares with ordinary multilayer strand wire rope, and the thigh number reduces, and every thigh comprises 26 steel wires and warp through the compaction, has good pliability concurrently when surperficial level and smooth increase wire rope wearability.

The flexible, abrasion resistant and extrusion resistant steel cord of the present invention will be further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a cross-sectional view of a flexible, abrasion resistant, and crush resistant steel cord of the present invention;

FIG. 2 is an enlarged cross-sectional view of the center strand of the flexible, abrasion resistant, crush resistant steel cord of the present invention;

FIG. 3 is an enlarged cross-sectional view of a first strand of a flexible, abrasion resistant, crush resistant steel cord of the present invention;

FIG. 4 is an enlarged cross-sectional view of a second strand of the flexible, abrasion resistant, crush resistant steel cord of the present invention;

FIG. 5 is an enlarged cross-sectional view of a second small strand of the flexible, abrasion resistant, crush resistant steel cord of the present invention;

fig. 6 is an enlarged cross-sectional view of a third strand of the flexible abrasion and crush resistant steel cord of the present invention.

Detailed Description

As shown in fig. 1, the flexible, abrasion-resistant, and extrusion-resistant steel cord of the present invention comprises a metal core and an outer layer. The metal core comprises a central strand 10, a first layer of strands and a second layer of strands. A first layer of strands wraps the central strand 10 in the middle and a second layer of strands wraps the outside of the first layer of strands. The first layer strand of the metal core is composed of six first steel strands 1, and the six first steel strands 1 are respectively close to the outer sides of the central strand 10 and are sequentially arranged in a closed loop along the circumferential direction. The second layer of strands consists of six second strands 2 and six second small strands 2 ', the second strands 2 and the second small strands 2 ' are tightly abutted to the outer sides of the first strands 1 and are sequentially and alternately arranged into a circle along the circumferential direction, the second strands 2 are positioned between two adjacent first strands 1 and are tangent to the two adjacent first strands 1 at the same time, and the second small strands 2 ' are positioned in the middle between every two adjacent second strands 2 and are tangent to the first strands 1. The first layer of strands and the second layer of strands in the metal core are twisted in the same direction at one time. The outer layer rope is a third layer rope strand wrapped outside the second layer rope strand of the metal core, the third layer rope strand consists of ten third steel wire strands 3, the ten third steel wire strands 3 are arranged into a circle at equal intervals along the circumferential direction and are tightly abutted against the outer sides of the second steel wire strand 2 and the second small steel wire strand 2', and the twisting direction of the outer layer rope is opposite to that of the metal core.

As shown in fig. 2 to 5, the central strand 10, the first strand 1, the second strand 2 and the second small strand 2' have the same internal structural arrangement, and as shown in fig. 2, the central strand 10 is formed by compacting a central strand of central steel filaments 101 and a first layer of steel filaments wrapping the central strand of central steel filaments 101. The first layer of steel wires is formed by six central strand first steel wires 102 which lean against the outer sides of the central strand central steel wires 101 respectively and are closely arranged in a circle along the circumferential direction.

As shown in fig. 3, the first strand 1 is formed by compacting a first strand center wire 11 and a first layer of wires that wrap the first strand center wire 11. The first layer of steel wires is formed by six first steel wire strands and first steel wires 12 leaning against the outer sides of the first steel wire strand central steel wires 11 respectively and tightly arranged in a circle along the circumferential direction.

As shown in fig. 4, the second strand 2 is formed by compacting a second strand center wire 21 and a first layer of wires that wrap the second strand center wire 21. The first layer of steel wires is formed by six second strand first steel wires 22 which lean against the outer side of the second strand central steel wire 21 respectively and are closely arranged in a circle along the circumferential direction.

As shown in fig. 5, the second small strand 2 ' is formed by compacting one second small strand central wire 21 ', and a first layer of wires in which the second small strand central wire 21 ' is wrapped. The first layer of steel wires is formed by six second small strand first steel wires 22 'which lean against the outer sides of the second small strand central steel wires 21' respectively and are closely arranged in a circle along the circumferential direction.

As shown in fig. 6, the third strand 3 is formed by compacting a central steel wire 30, a first layer of steel wires wrapping the central steel wire 30, a second layer of steel wires wrapping the first layer of steel wires, and a third layer of steel wires wrapping the second layer of steel wires. The first layer of steel wires consists of five first steel wires 31 which lean against the outside of the central steel wire 30 and are closely arranged in a circle along the circumferential direction. The second layer of steel wires consists of five second steel wires 32 leaning against the outer sides of the first steel wires 31 and tangent between every two adjacent first steel wires 31 and five second small steel wires 33 respectively plugged between every two adjacent second steel wires 32 and leaning against the outer sides of the first steel wires 31, and the third layer of steel wires consists of ten third steel wires 34 leaning against the outer sides of the second layer of steel wires and closely arranged in a circle along the circumferential direction.

The diameters of the central strand 10, the first strand 1, the second strand 2, the second small strand 2 'and the third strand 3 are all determined by the outer diameter of the flexible wear-resistant and extrusion-resistant steel wire rope, after the specification and the size of the required steel wire rope are determined, the respective diameters of the central strand 10, the first strand 1, the second strand 2, the second small strand 2' and the third strand 3 are determined according to the outer diameter of the steel wire rope and the arrangement and combination of the strands, and the diameter of the steel wire forming each strand is determined by the diameter of the strands. The steel filaments are then grouped into radial compacts of the central strand 10, the first strand 1, the second strand 2, the second small strand 2', and the third strand in an aligned combination as shown in fig. 2 to 6. Firstly twisting a central strand 10, a first steel strand 1, a second steel strand 2 and a second small steel strand 2' into a metal core according to the arrangement and combination mode of a figure 1, and twisting a third steel strand 3 into the flexible wear-resistant and extrusion-resistant steel wire rope according to the arrangement and combination mode of the figure 1.

The flexible wear-resistant and extrusion-resistant steel wire rope can meet the requirements of severe working conditions of small bending radius, multilayer winding and severe friction on higher bearing capacity, flexibility, structural stability, extrusion resistance and wear resistance of the matched steel wire rope.

Compared with the metal core of a common steel wire rope, the metal core of the flexible wear-resistant anti-extrusion steel wire rope has the advantages that the number of strands is increased, the flexibility of the steel wire rope can be effectively improved, the strands are in linear contact with each other and are compacted and deformed, the structure is good, the anti-extrusion capacity is improved, and meanwhile, the breaking tension is correspondingly improved; 10 strand steel wire strands of outer rope compares with ordinary multilayer strand wire rope, and the thigh number reduces, and every thigh comprises 26 steel wires and warp through the compaction, has good pliability concurrently when surperficial level and smooth increase wire rope wearability.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.

Claims (4)

1. A flexible wear-resistant and extrusion-resistant steel wire rope is characterized in that: the metal core comprises a center strand, a first layer of strand and a second layer of strand which are twisted in the same direction at one time, the outer layer of strand is a third layer of strand wrapped outside the second layer of strand, the twisting direction of the outer layer of strand is opposite to the twisting direction of the metal core, the center strand (10) is wrapped in the middle by the first layer of strand, the second layer of strand is wrapped outside the first layer of strand, the first layer of strand consists of six first steel strands (1), the six first steel strands (1) are respectively abutted against the outside of the center strand (10) and are sequentially arranged into a closed ring along the circumferential direction, the second layer of strand consists of six second steel strands (2) and six second small steel strands (2 '), the second steel strands (2) and the second small steel strands (2') are abutted against the outside of the first steel strands (1) and are sequentially and sequentially arranged into a ring along the circumferential direction, and the second steel strands (2) are both located between two adjacent first steel strands (1) and are simultaneously and are sequentially and are adjacent to two steel strands adjacent to each other The first strands (1) are tangent, and the second small strands (2') are positioned at the middle position between every two adjacent second strands (2) and are tangent to the first strands (1).

2. The flexible, abrasion resistant, crush resistant steel cord as claimed in claim 1, wherein: the third layer of strands is composed of ten third steel strands (3), and the ten third steel strands (3) are arranged in a circle at equal intervals along the circumferential direction and are tightly close to the outer sides of the second steel strand (2) and the second small steel strand (2').

3. The flexible, abrasion resistant, crush resistant steel cord as claimed in claim 2, wherein: each third steel wire strand (3) is formed by compacting a central steel wire (30), a first layer of steel wires wrapping the central steel wire (30), a second layer of steel wires wrapping the outer side of the first layer of steel wires and a third layer of steel wires wrapping the outer side of the second layer of steel wires, the first layer steel wire comprises five first steel wires (31) leaning on the outer side of the central steel wire (30) and closely arranged into a circle along the circumferential direction, the second layer steel wire comprises five second steel wires (32) leaning on the outer side of the first steel wires (31) and tangent between every two adjacent first steel wires (31) and five second small steel wires (33) respectively plugged between every two adjacent second steel wires (32) and leaning on the outer side of the first steel wires (31) at the same time, and the third layer steel wire comprises ten third steel wires (34) tightly leaning on the outer side of the second layer steel wires and closely arranged into a circle along the circumferential direction.

4. The flexible, abrasion resistant, crush resistant steel cord as claimed in claim 3, wherein: the inner structures of the central strand (10), the first strand (1), the second strand (2) and the second small strand (2 ') are arranged in the same way and are formed by compacting a central steel wire (101) of the central strand, a central steel wire (11) of the first strand, a central steel wire (21) of the second strand and a central steel wire (21') of the second small strand, wherein the central steel wire (101) of the central strand, the central steel wire (11) of the first strand, the central steel wire (21) of the second strand and a first layer of steel wires wrapped by the central steel wire (21 ') of the second small strand are compacted, and the first layer of steel wires are formed by respectively leaning against the central steel wire (101), the central steel wire (11) of the first strand, the first steel wire (12) of the first strand, the first steel wire (22) of the second strand and the first steel wire (22') of the second small strand, The second strand central steel wire (21) and the second small strand central steel wire (21') are tightly arranged in a circle along the circumferential direction.

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