CN212925583U - Steel wire rope with good flexibility and rotation resistance - Google Patents

Abstract

The utility model discloses pliability and wire rope that rotation resistance can be good, including inlayer rope and outer rope, the inlayer rope is by central thigh, first layer rope strand and second floor rope strand syntropy are twisted with fingers to become, outer rope is twisted with fingers into by the third layer rope strand and its direction of twisting with the opposite of twisting with the inlayer rope of twisting with fingers, inlayer rope and outer rope are once only twisted with fingers into simultaneously, the first layer rope strand is arranged into a closed circle by seven first wire strands and is formed, the second floor rope strand comprises seven second wire strands and the little wire strand of second, the third layer rope strand is arranged into the round by sixteen third wire strands and forms, central thigh, first wire strand, the second wire strand, the inner structure of the little wire strand of second and third wire strand arranges the same. The utility model discloses the pliability with hinder wire rope that rotation performance is good, the pliability is good, hinder rotation performance strong, can satisfy more and more high requirement to wire rope on the existing market effectively.

Description

Steel wire rope with good flexibility and rotation resistance

Technical Field

The utility model relates to a wire rope technical field, in particular to multilayer strand wire rope.

Background

The multilayer strand steel wire rope has very wide application in various industries such as engineering machinery, ocean engineering and the like due to good flexibility and rotation resistance. In recent years, with the increasingly higher requirements of various industries on the performance of steel wire ropes, the multi-layer strand steel wire ropes are gradually developed towards the direction of large diameter and high strength, and the requirements on the flexibility and the rotation resistance of the steel wire ropes are also increasingly higher. As shown in fig. 7, a conventional 35-strand steel wire rope (35W × K7) currently used includes an inner layer rope and an outer layer rope, the inner layer rope is formed by twisting a center strand 4, a first layer strand wrapped outside the center strand 4, and a second layer strand wrapped outside the first layer strand in the same direction, the outer layer rope is formed by twisting a third layer strand wrapped outside the second layer strand in the same direction as the inner layer rope, the first layer strand is formed by six inner steel wire strands 5, the second layer strand is formed by six large steel wire strands 6 and six small steel wire strands 7, the third layer rope is formed by sixteen outer steel wire strands 8, thirty-five steel wire strands are twisted in the same direction, and each steel wire rope is formed by seven steel wires by compacting. For the traditional 35W x K7 steel wire rope, the defects of large diameter and poor flexibility of the steel wire exist along with the increase of the diameter of the steel wire; the traditional production process is to twist the inner layer rope and the outer layer rope twice, namely, the inner layer rope is twisted first, then the outer layer rope is twisted in the opposite direction to finally prepare the steel wire rope, and the rotation resistance of the steel wire rope twisted twice is poor. The traditional steel wire ropes used at present cannot meet the increasingly high requirements of various industries on the steel wire ropes.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a have higher pliability and hinder the pliability of rotation ability and hinder the wire rope that rotation ability is good.

The steel wire rope with good flexibility and rotation resistance comprises an inner layer rope and an outer layer rope, wherein the inner layer rope is formed by twisting a central strand, a first layer strand wrapped outside the central strand and a second layer strand wrapped outside the first layer strand, the outer layer rope is formed by twisting a third layer strand wrapped outside the second layer strand and the twisting direction of the third layer strand is opposite to that of the inner layer rope, the inner layer rope and the outer layer rope are simultaneously twisted at one time, the first layer strand is formed by sequentially and closely arranging seven first steel wire strands into a closed ring along the circumferential direction, the second layer strand is formed by seven second steel wire strands and second small steel wire strands, the second steel wire strands are positioned at the positions which are simultaneously tangent to the two adjacent first steel wire strands, and the second small steel wire strands are positioned at the middle positions between every two adjacent second steel wire strands, the first steel wire strands are all cut on the first layer strand, the third layer strand is formed by arranging sixteen third steel wire strands into a circle at equal intervals along the circumferential direction, the internal structures of the central strand, the first steel wire strands, the second small steel wire strands and the third steel wire strands are arranged in the same way and are formed by compacting one central steel wire, a first layer steel wire wrapping the central steel wire, a second layer steel wire wrapping the outer side of the first layer steel wire and a third layer steel wire wrapping the outer side of the second layer steel wire, the first layer steel wire is formed by five first steel wires which lean against the outer side of the central steel wire respectively and are tightly arranged into a circle along the circumferential direction, the second layer steel wire is formed by five second steel wires which lean against the outer side of the first steel wire respectively and are placed between every two adjacent first steel wires and five second small steel wires which are plugged between every two adjacent second steel wires respectively and lean against the outer side of the first steel wire simultaneously, the third layer of steel wires consists of ten third steel wires which are tightly abutted to the outer side of the second layer of steel wire rope and are closely arranged in a circle along the circumferential direction.

The utility model discloses pliability and the wire rope that hinders rotation performance and be good, its inlayer rope and outer rope form for once only twisting simultaneously, can fully realize in the wire rope, outer moment of torsion is balanced, has strengthened wire rope's the rotation performance that hinders, and forms by 38 strands of steel wire strands twisting, and per strand of steel wire strands comprises 26 steel wires again, has increased wire rope's whole pliability, can satisfy the requirement to wire rope more and more high on the existing market effectively.

The steel wire rope with good flexibility and rotation resistance of the present invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a cross-sectional view of a steel wire rope having good flexibility and rotation resistance according to the present invention;

fig. 2 is an enlarged cross-sectional view of the center strand of the steel wire rope of the present invention having good flexibility and rotation resistance;

fig. 3 is an enlarged cross-sectional view of a first strand of a steel wire rope having good flexibility and rotation resistance according to the present invention;

fig. 4 is an enlarged cross-sectional view of a second strand of a steel cord having good flexibility and rotation resistance according to the present invention;

fig. 5 is an enlarged cross-sectional view of a second small strand of the steel cord having good flexibility and rotation resistance according to the present invention;

fig. 6 is an enlarged cross-sectional view of a third strand of a steel wire rope having excellent flexibility and rotation resistance according to the present invention;

fig. 7 is a cross-sectional view of a prior art 35 strand steel cord.

Detailed Description

As shown in figure 1, the utility model discloses flexibility and hinder wire rope that rotation performance is good, including inlayer rope and outer rope. The inner layer rope 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 consists of seven first strands 1, the seven first strands 1 respectively abut against the outer side of the central strand 10 and are sequentially abutted together in the circumferential direction to form a closed loop. The second layer of strands is composed of seven second strands 2 and seven 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 in a circle along the circumferential direction, the second strands 2 are positioned between two adjacent first steel strands 1 and are simultaneously tangent to the two adjacent first steel strands 1, 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 steel strands 1. The outer layer rope is a third layer rope strand wrapped outside the second layer rope strand, the third layer rope strand consists of sixteen third steel wire strands 3, and the sixteen third steel wire 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 wire strands 2 and the second small steel wire strands 2. After arranging all steel strands according to above structure, exert twisting rope force to inlayer rope and outer rope simultaneously, nevertheless twist with fingers the power direction and twist with fingers the power direction just in opposite to outer rope to the inlayer rope, make the utility model discloses pliability with hinder wire rope that rotation performance is good twists with fingers for once only, can fully realize that wire rope inside and outside moment of torsion is balanced, improve wire rope's the rotation performance that hinders greatly.

As shown in fig. 2 to 6, the central strand 10, the first strand 1, the second strand 2, the second small strand 2 ', and the third steel wire strand 3 have the same internal structural arrangement, and are each formed by compacting one central steel wire 100, 10, 20, 20 ', 30, a first layer of steel wires wrapping the central steel wire 100, 10, 20, 20 ', 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 101, 11, 21, 21 ', 31 which respectively lean against the outside of the central steel wires 100, 10, 20, 20', 30 and are closely arranged in a circle along the circumferential direction. The second layer of steel wires consists of five second steel wires 102, 12, 22, 22 ', 32 and five second small steel wires 103, 13, 23, 23 ', 33, the second steel wires 102, 12, 22, 22 ', 32 respectively lean on the outer sides of the first steel wires 101, 11, 21, 21 ', 31 and are placed between every two adjacent first steel wires 101, 11, 21, 21 ', 31, the second small steel wires 103, 13, 23, 23 ', 33 respectively plug between every two adjacent second steel wires 102, 12, 22, 22 ', 32 and simultaneously lean on the outer sides of the first steel wires 101, 11, 21, 21 ', 31, and the third layer of steel wires consists of ten third steel wires 104, 14, 24, 24 ', 34 which tightly lean on the outer sides of the second layer of steel wires and are arranged in a circle in the circumferential direction.

The diameter of central thigh 10, first wire strand 1, second wire strand 2, the little wire strand 2 'of second and third wire strand 3 by the utility model discloses pliability and the outer diameter size decision of the wire rope that hinders rotation performance good, after confirming required wire rope's specification and dimension, according to wire rope's outer diameter size, according to the permutation and combination of above wire strand, confirm well central thigh 10, first wire strand 1, second wire strand 2, the respective diameter of the little wire strand 2' of second and third wire strand 3, the diameter of the steel wire of constituteing above every wire strand is redetermined through the diameter of wire strand. The steel wire ropes are then assembled into a central strand 10, a first strand 1, a second strand 2, a second small strand 2 ', and a third wire strand 3 in an alignment as shown in fig. 2 to 6, and the first strand 1, the second strand 2, the second small strand 2', and the third wire strand 3 are radially compacted, respectively. Finally, the first steel wire strand 1, the second steel wire strand 2, the second small steel wire strand 2' and the third steel wire strand 3 are arranged and twisted together according to the arrangement combination mode of the figure 1 to form the steel wire rope with good flexibility and rotation resistance. The utility model discloses pliability and the twisted rope power opposite direction that the inner rope that hinders wire rope that rotation performance is good and outer rope applyed just for once only twisting into, can fully realize that wire rope inside and outside moment of torsion is balanced, strengthened wire rope's the rotation performance that hinders. The utility model discloses the pliability forms with hindering the good wire rope of rotation performance by 38 strands of steel wires strands system of twisting, and every strand of steel wire comprises 26 steel wires again, has increased wire rope's whole pliability.

The utility model discloses the pliability with hinder wire rope that rotation performance is good, the pliability is good, hinder rotation performance can satisfy the more and more high requirement to wire rope on the existing market effectively by force.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims (1)

1. A steel wire rope with good flexibility and rotation resistance performance comprises an inner layer rope and an outer layer rope, wherein the inner layer rope is formed by twisting a center strand (10), a first layer of strands wrapped outside the center strand (10) and a second layer of strands wrapped outside the first layer of strands, the outer layer rope is formed by twisting a third layer of strands wrapped outside the second layer of strands in a direction opposite to the twisting direction of the inner layer rope, and the steel wire rope is characterized in that: the inner layer rope and the outer layer rope are simultaneously twisted at one time, the first layer rope strand is formed by sequentially arranging seven first steel wire strands (1) next to each other in the circumferential direction to form a closed ring, the second layer rope strand is formed by seven second steel wire strands (2) and second small steel wire strands (2 '), the second steel wire strands (2) are positioned at the positions which are simultaneously tangent to two adjacent first steel wire strands (1), the second small steel wire strands (2 ') are positioned at the middle positions between every two adjacent second steel wire strands (2) and are respectively tangent to the first steel wire strands (1) of the first layer rope strand, the third layer rope strand is formed by arranging sixteen third steel wire strands (3) into a ring at equal intervals in the circumferential direction, and the internal structures of the central strand (10), the first steel wire strands (1), the second steel wire strands (2), the second small steel wire strands (2 ') and the third steel wire strands (3) are arranged in the same way, each of the steel wire layers is formed by compacting a central steel wire (100, 10, 20, 20 ', 30), a first layer of steel wires wrapping the central steel wire (100, 10, 20, 20 ', 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, wherein the first layer of steel wires is formed by five first steel wires (101, 11, 21, 21 ', 31) which respectively lean against the outer side of the central steel wire (100, 10, 20, 20 ', 30) and are tightly arranged in a circle along the circumferential direction, the second layer of steel wires is formed by five second steel wires (102, 12, 22, 22 ', 32) which respectively lean against the outer side of the first steel wires (101, 11, 21, 21 ', 31) and are arranged between every two adjacent first steel wires (101, 11, 21 ', 31), and five second steel wires (102, 12, 22, 22 ', 32) and simultaneously against the outside of said first steel wires (101, 11, 21, 21 ', 31), said third layer of steel wires consisting of ten third steel wires (104, 14, 24, 24 ', 34) closely arranged in a circle in the circumferential direction against the outside of said second layer of steel cords.

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