CN209873437U

CN209873437U - Ultralow static rope that excels in that extends

Info

Publication number: CN209873437U
Application number: CN201920125397.5U
Authority: CN
Inventors: 刘鹏; 姜润喜; 刘瑞强; 公彦秀; 杜洪飞; 李伟玲; 沈明
Original assignee: SHANDONG LUPU TECHNOLOGY Co Ltd; Withropenet Group Co Ltd
Current assignee: SHANDONG LUPU TECHNOLOGY Co Ltd; Withropenet Group Co Ltd; Ropenet Group Co Ltd
Priority date: 2019-01-25
Filing date: 2019-01-25
Publication date: 2019-12-31
Anticipated expiration: 2029-01-25

Abstract

The utility model provides an ultra-low extension high-strength static rope, which comprises a rope skin, a rope core and a coating layer. The rope core is composed of one or more three-dimensional cylindrical ropes, wherein the three-dimensional cylindrical ropes are made of high-strength fibers. The rope sheath is wrapped outside the rope core and is formed by weaving a plurality of strands or sublines formed by twisting a plurality of high-strength fibers. The coating layer is wrapped on the outer side of the single three-dimensional cylindrical rope and used for protecting the three-dimensional cylindrical rope from being abraded. The three-dimensional cylindrical rope is used as a static rope core, so that the breaking strength of the rope can be obviously improved; meanwhile, the three-dimensional cylindrical rope is of a structure of a plurality of warp fibers and one weft fiber, so that the three-dimensional cylindrical rope has extremely low elongation. The utility model discloses the static rope of preparation can overcome the defect of current static rope, and the percentage of extension is lower, has very big practical value.

Description

Ultralow static rope that excels in that extends

Technical Field

The utility model relates to a rope technical field especially relates to low rope that extends, specifically is an ultralow static rope that excels in that extends.

Background

In a real life scene, the static rope is generally used in hole exploration, rescue and high-altitude speed reduction, and is widely used due to low ductility. The static rope is usually designed to be small in extensibility, the application scene of the static rope is determined by the characteristic, the demand is large, and the corresponding quality is also an important point.

At present, the rope cores of most static ropes on the market adopt twisted wire structures or woven structures, taking 10.5mm static ropes as an example, the static elongation is usually within the range of 3.5% -5.0%, although the elongation seems to be low enough, when the used rope exceeds a certain length, the extension length of the whole rope is still large, and the twisted wire structure is adopted as the rope core, the twisting defect is usually caused; and a small number adopt flat core yarn structure rope, because the wick is the fibre of dispersing completely, therefore the plumpness is extremely poor, and the rope flattens completely when passing through accessories such as 8 rings or descender, leads to the unable smooth accessory that passes through of rope, and the wick can be with the friction of rope skin moreover, leads to the wick fracture. In addition, the rope core adopting a twisted wire structure or a braided structure has low fiber strength utilization rate, the twisted wire structure is 50-60%, and the braided rope structure is 60-70%.

Therefore, a static rope with lower elongation rate, no twisting defect, concentrated rope core and preventing the rope core from being damaged by friction is needed by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a quiet power rope that excels in of ultralow extension, this quiet power rope can realize lower percentage elongation, and the twisted defect of rope core can be avoided to the rope core of special three-dimensional rope structure, and the rope core has good circularity and plumpness for quiet power rope passes through the accessory more easily, and the outer coating of rope core can protect the rope core not worn and torn, prolongs the life of whole rope.

The utility model provides a pair of ultralow extension quiet power rope that excels in, this quiet power rope includes: the coating layer is wrapped on the outer side of each three-dimensional cylindrical rope and used for protecting the three-dimensional cylindrical ropes from being abraded; the rope core consists of one or more three-dimensional cylindrical ropes with the coating layers, wherein the three-dimensional cylindrical ropes are made of high-strength fibers; and the rope sheath is wrapped outside the rope core and is formed by weaving a plurality of strands or sublines formed by twisting a plurality of high-strength fibers.

In a specific embodiment of the utility model, single or a plurality of have the coating the rope core that three-dimensional cylinder rope constitutes wraps up in the rope skin.

In a specific embodiment of the present invention, the rope jacket comprises a high-strength fiber strand or subline in the S twist direction and a high-strength fiber strand or subline in the Z twist direction.

Wherein the number of the high-strength fiber strands in the S twisting direction is the same as that of the high-strength fiber strands in the Z twisting direction; the number of the sub ropes in the S twisting direction is the same as that of the sub ropes in the Z twisting direction.

In a specific embodiment of the present invention, the number of the S-lay high-strength fiber strands is 16, and the number of the Z-lay high-strength fiber strands is 16.

In a specific embodiment of the present invention, the number of the S twist direction high strength fiber strands is 24 strands, and the number of the Z twist direction high strength fiber strands is 24 strands.

In a specific embodiment of the present invention, the S-twist high-strength fiber strand and the Z-twist high-strength fiber strand are made by twisting.

In a specific embodiment of the present invention, the sub-rope in the S twisting direction and the sub-rope in the Z twisting direction are both made by the first and second twisting.

In the specific embodiment of the utility model, three-dimensional cylinder rope is the rope that is twined many warp fibers in proper order on same cross section by a weft fiber and forms.

In a specific embodiment of the present invention, the high strength fiber is composed of at least one of nylon, polyester, aramid, and HMPE.

In a specific embodiment of the present invention, the coating layer is a rubber layer with a certain elasticity.

According to the above embodiment of the utility model, the utility model provides a pair of ultralow static rope that excels in that extends has following benefit: the rope core of the static rope adopts a three-dimensional rope structure, the fiber strength utilization rate of the three-dimensional rope is 75-90%, and the breaking strength of the rope can be obviously improved by using the three-dimensional rope as the rope core of the static rope; simultaneously, because three-dimensional rope is several warp fibre and a weft fiber structure, consequently has extremely low percentage elongation to the weft structure makes the rope core still have good circularity and plumpness, and three-dimensional rope itself is self-balancing structure simultaneously, therefore whole rope does not have the unbalanced defect of moment of torsion, and in addition, the coating of three-dimensional cylinder rope outside can also protect three-dimensional cylinder rope, prevents that three-dimensional cylinder rope from being worn and torn. The rope skin structure of static rope can guarantee that whole rope has good wearability and resistant crocheting nature, and the defect with three-dimensional rope itself can be solved through the cladding of rope skin, and consequently this novel static rope has successfully solved the defect of current static rope and three-dimensional rope self, and reaches the utmost with advantage full play between them, has very big practical value.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification of the invention, illustrate exemplary embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is the structure diagram of the ultra-low extension high-strength static rope provided by the utility model.

Fig. 2 is the structure diagram of the three-dimensional cylindrical rope of the ultra-low extension high-strength static rope provided by the utility model.

Description of reference numerals:

1-rope core, 2-rope sheath, 3-coating layer, 21-weft fiber and 22-warp fiber.

Detailed Description

Reference will now be made in detail to various exemplary embodiments of the invention, which should not be considered limiting of the invention, but rather should be understood to be a more detailed description of certain aspects, features and embodiments of the invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.

Fig. 1 is the structure diagram of the ultra-low extension high-strength static rope provided by the utility model. In the figure, the static rope comprises a rope sheath and a rope core, wherein the rope sheath is formed by weaving high-strength fibers, is wrapped outside the rope core and is used for protecting the rope core, and the rope core is provided with a plurality of strands and is used for enhancing the tensile degree of the static rope.

In the embodiment shown in the figure, the static cord comprises a core 1, a sheath 2 and a coating 3. Wherein, the coating layer 3 is wrapped on the outer side of the single three-dimensional cylindrical rope, and the coating layer 3 is used for protecting the three-dimensional cylindrical rope from being worn. In order to avoid abrasion of the rope core 1 of the static rope in the using process, a coating layer 3 is arranged on the outer side of each three-dimensional cylindrical rope forming the rope core 1, the coating layer 3 is made of rubber and has certain elasticity, and the coating layer 3 cannot be damaged or broken due to extension of the static rope. Coating 3 cladding is in the outside of each three-dimensional cylinder rope, prevents that three-dimensional cylinder rope and 2 production of rope skin produce direct friction in the use, leads to three-dimensional cylinder rope fracture, great extension the life of static rope. The rope core 1 is composed of one or more three-dimensional cylindrical ropes with the coating layers 3, wherein the three-dimensional cylindrical ropes are made of high-strength fibers; the rope sheath 2 is wrapped outside the rope core 1, and the rope sheath 2 is formed by weaving a plurality of strands or sublines formed by twisting a plurality of high-strength fibers. The jacket 2 is formed by braiding high-strength fiber strands in an S-twist direction and high-strength fiber strands in a Z-twist direction, and the jacket 2 is obtained by braiding the high-strength fiber strands. Wherein, the S twisting direction is that after the high-strength fiber is twisted, the fiber inclines from the upper left to the lower right; the Z twisting direction is that after the high-strength fibers are twisted, the fibers incline from the upper right to the lower left. In another embodiment, the jacket 2 includes S-twist high-strength fiber strands and Z-twist high-strength fiber strands, and the jacket 2 is obtained by braiding the strands.

In a specific embodiment of this example, the number of the high strength fiber strands in the S twist direction and the number of the high strength fiber strands in the Z twist direction of the braided rope sheath are the same. In order to achieve a symmetrical and reasonable weaving effect, the number of the high-strength fiber strands in the S-twist direction is required to be the same as that of the high-strength fiber strands in the Z-twist direction. In another embodiment, the number of the S-twisted sub-ropes is the same as that of the Z-twisted sub-ropes. In this example, the number of high strength fiber strands in the S twist direction is 16, and the number of high strength fiber strands in the Z twist direction is 16. In another embodiment, the number of high strength fiber strands in the S lay direction is 24, and the number of high strength fiber strands in the Z lay direction is 24. Different numbers of high-strength fiber strands can be arranged according to different requirements on the thickness of the rope. The high-strength fiber strand in the S twisting direction and the high-strength fiber strand in the Z twisting direction are both formed by twisting. In another embodiment, the S-twisted sub-ropes and the Z-twisted sub-ropes are both made by primary and secondary twisting. The primary and secondary twisting is to twist the fiber to obtain strands, and then to twist 3 strands again to obtain the three-strand twisted rope.

As shown in fig. 2, in the embodiment of the present invention, the component elements of the rope core 1 are three-dimensional cylindrical ropes formed by sequentially winding a plurality of warp fibers 12 on the same cross section by one weft fiber 11. The warp fibers 12 are provided with one weft fiber 11 at intervals to ensure that the warp fibers 12 are always kept in a concentrated state. The distance between two adjacent weft fibers 11 is 0.1 m, and the shorter the distance, the more concentrated the warp fibers 12. The three-dimensional cylindrical rope has extremely low elongation rate because the three-dimensional cylindrical rope is formed by combining a plurality of warp fibers 12 and a weft fiber 11, and the warp fibers 12 are in a straightened state. In addition, the weft fibers 11 are wound around the warp fibers 12, so that the warp fibers 12 are kept concentrated, and the rope core 1 has good roundness and plumpness. Meanwhile, the three-dimensional cylindrical rope is a self-balancing structure, so that the defect of unbalanced torque does not exist in the whole rope. The special structure of the three-dimensional cylindrical rope enables the fiber strength utilization rate to be 75-90%, and the three-dimensional cylindrical rope is used as a static rope core, so that the breaking strength of the rope can be obviously improved. In addition, the rope skin structure of static rope can guarantee that whole rope has good wearability and resistant crocheting nature, passes through the rope skin cladding with the defect of three-dimensional cylinder rope itself and can solve, consequently this novel static rope has successfully solved the defect of current static rope and three-dimensional cylinder rope self, and reaches very big practical value with advantage full play between them. In addition, the middle and high strength fiber of the utility model is composed of at least one of chinlon, terylene, aramid fiber and HMPE (high molecular weight high density polyethylene). The utility model discloses an among the concrete implementation, the high strength fiber can be one, also can be multiple, according to the preparation needs of the quiet power rope of reality and select different materials and combination.

The foregoing is only an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the present invention should fall within the protection scope of the present invention.

Claims

1. An ultra-low extension high strength static rope, characterized in that it comprises:

a coating layer (3) wrapped on the outer side of each three-dimensional cylindrical rope and used for protecting the three-dimensional cylindrical ropes from being worn;

the rope core (1) is composed of one or more three-dimensional cylindrical ropes with the coating layers (3), wherein the three-dimensional cylindrical ropes are made of high-strength fibers; and

the rope sheath (2) wrapped outside the rope core (1) is formed by weaving a plurality of strands or sublands formed by twisting a plurality of high-strength fibers.

2. An ultra-low elongation high-strength static rope according to claim 1, characterized in that the rope jacket (2) contains S-lay high-strength fiber strands or sublands and Z-lay high-strength fiber strands or sublands.

3. The ultra-low elongation high-strength static rope according to claim 2, wherein the number of the S-lay direction high-strength fiber strands is the same as that of the Z-lay direction high-strength fiber strands; the number of the sub ropes in the S twisting direction is the same as that of the sub ropes in the Z twisting direction.

4. The ultra-low elongation high strength static rope according to claim 3 wherein the number of high strength fiber strands in the S lay direction is 16 and the number of high strength fiber strands in the Z lay direction is 16.

5. The ultra-low elongation high strength static rope according to claim 3 wherein the number of high strength fiber strands in the S lay direction is 24 and the number of high strength fiber strands in the Z lay direction is 24.

6. The ultra-low elongation high-strength static rope according to claim 2, wherein the S-twist high-strength fiber strands and the Z-twist high-strength fiber strands are formed by twisting.

7. The ultra-low elongation high-strength static rope according to claim 2, wherein the S-twist sub-rope and the Z-twist sub-rope are made by means of primary and secondary twisting.

8. The ultra-low elongation high-strength static rope according to claim 1, wherein the three-dimensional cylindrical rope is formed by winding a plurality of warp fibers (12) in sequence on the same cross section by one weft fiber (11).

9. The ultra-low elongation high strength static rope according to claim 1 wherein said high strength fibers are comprised of at least one of nylon, dacron, aramid, HMPE.

10. An ultra low elongation high strength static rope according to claim 1 wherein said coating (3) is a resilient rubber layer.