CN213925631U - High-strength rope core of elevator steel wire rope - Google Patents

High-strength rope core of elevator steel wire rope Download PDF

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Publication number
CN213925631U
CN213925631U CN202022366689.3U CN202022366689U CN213925631U CN 213925631 U CN213925631 U CN 213925631U CN 202022366689 U CN202022366689 U CN 202022366689U CN 213925631 U CN213925631 U CN 213925631U
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China
Prior art keywords
strength
wire rope
rope
strand
steel wire
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Application number
CN202022366689.3U
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Chinese (zh)
Inventor
野建军
吕洋
宋志成
管明星
吕洪斌
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Jiangsu Dada Hemp Textile Technology Co ltd
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Jiangsu Dada Hemp Textile Technology Co ltd
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Abstract

A high-strength rope core of an elevator steel wire rope comprises a central strand and a composite strand which is wrapped and twisted outside the central strand in the forward direction, wherein the central strand is made of oil ramie yarn; the composite strand comprises four dry ramie yarns and four polypropylene fibers, and the dry ramie yarns and the polypropylene fibers are sequentially and uniformly arranged in an alternating manner; and a plurality of grooves are uniformly formed in the polypropylene fiber outer ring. Compared with the prior art, the utility model discloses an elevator wire rope high strength rope core adds synthetic fiber in natural fibre, improves the tensile strength of rope core, has seted up the breach moreover on polypropylene fiber, because dry ramie yarn surface is softer, when the twist, dry ramie yarn surface can be embedded into to the surperficial breach of polypropylene in, further promotes the intensity of rope core.

Description

High-strength rope core of elevator steel wire rope
Technical Field
The utility model relates to a wire rope technical field specifically indicates an elevator wire rope high strength rope core.
Background
The steel wire rope for an elevator is composed of strands and a core made of natural or synthetic fibers, and the core made of, for example, sisal has a high oil content and a good lubricating effect, but the tensile strength of the core is not as high as that of the core made of synthetic fibers.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to above-mentioned prior art not enough, and provide an elevator wire rope high strength rope core.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a high-strength rope core of an elevator steel wire rope comprises a central strand and a composite strand which is wrapped and twisted outside the central strand in the forward direction, wherein the central strand is made of oil ramie yarn; the composite strand comprises four dry ramie yarns and four polypropylene fibers, and the dry ramie yarns and the polypropylene fibers are sequentially and uniformly arranged in an alternating manner; and a plurality of grooves are uniformly formed in the polypropylene fiber outer ring.
Further, the diameter of the central strand is 3.2 ± 0.1 mm.
Furthermore, the dry ramie yarn is formed by winding sisal fibers, and the surface of the dry ramie yarn is elastic.
Furthermore, the diameters of the dry ramie yarn and the polypropylene fiber are both 1.5 +/-0.1 mm.
Further, the groove is a trapezoidal opening or a square opening.
Compared with the prior art, the utility model discloses an elevator wire rope high strength rope core adds synthetic fiber in natural fibre, improves the tensile strength of rope core, has seted up the breach moreover on polypropylene fiber, because dry ramie yarn surface is softer, when the twist, dry ramie yarn surface can be embedded into to the surperficial breach of polypropylene in, further promotes the intensity of rope core.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic cross-sectional view of a polypropylene fiber of the present invention;
wherein, 1, center strand, 2, dry ramie yarn, 3, polypropylene fiber, 4, groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below.
As shown in fig. 1 and 2, the high-strength rope core of the elevator steel wire rope comprises a central strand 1 and a composite strand which is wrapped and twisted outside the central strand 1 in the forward direction, wherein the central strand 1 is made of a hemp yarn, and lubricating oil is impregnated in the hemp yarn; the composite strand comprises four dry ramie yarns 2 and four polypropylene fibers 3, and the dry ramie yarns 2 and the polypropylene fibers 1 are sequentially and uniformly arranged in an alternating manner; a plurality of grooves 4 are uniformly formed in the outer ring of the polypropylene fiber 3; the dry ramie yarn 2 is formed by winding sisal fibers, and the surface of the dry ramie yarn 2 has elasticity.
The diameter of the central strand 1 is 3.2 ± 0.1 mm.
The diameters of the dry ramie yarn 2 and the polypropylene fiber 3 are both 1.5 +/-0.1 mm.
The groove 4 is a trapezoidal opening or a square opening.
The present invention is not limited to the above-described embodiments, and those skilled in the art can make modifications or changes without departing from the spirit of the present invention.

Claims (5)

1. The utility model provides an elevator wire rope high strength rope core which characterized in that: the composite yarn comprises a central strand and a composite strand which is twisted on the outer side of the central strand in a forward wrapping manner, wherein the central strand is made of hemp yarns; the composite strand comprises four dry ramie yarns and four polypropylene fibers, and the dry ramie yarns and the polypropylene fibers are sequentially and uniformly arranged in an alternating manner; and a plurality of grooves are uniformly formed in the polypropylene fiber outer ring.
2. The elevator steel wire rope high-strength rope core as recited in claim 1, wherein: the diameter of the central strand is 3.2 + -0.1 mm.
3. The elevator steel wire rope high-strength rope core as recited in claim 1, wherein: the dry ramie yarn is formed by winding sisal fibers, and the surface of the dry ramie yarn is elastic.
4. The elevator steel wire rope high-strength rope core as recited in claim 1, wherein: the diameters of the dry ramie yarn and the polypropylene fiber are both 1.5 +/-0.1 mm.
5. The elevator steel wire rope high-strength rope core as recited in claim 1, wherein: the groove is a trapezoidal opening or a square opening.
CN202022366689.3U 2020-10-21 2020-10-21 High-strength rope core of elevator steel wire rope Active CN213925631U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022366689.3U CN213925631U (en) 2020-10-21 2020-10-21 High-strength rope core of elevator steel wire rope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022366689.3U CN213925631U (en) 2020-10-21 2020-10-21 High-strength rope core of elevator steel wire rope

Publications (1)

Publication Number Publication Date
CN213925631U true CN213925631U (en) 2021-08-10

Family

ID=77224372

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022366689.3U Active CN213925631U (en) 2020-10-21 2020-10-21 High-strength rope core of elevator steel wire rope

Country Status (1)

Country Link
CN (1) CN213925631U (en)

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