CN222666397U - Marine round strand cable - Google Patents
Marine round strand cable Download PDFInfo
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- CN222666397U CN222666397U CN202421358244.2U CN202421358244U CN222666397U CN 222666397 U CN222666397 U CN 222666397U CN 202421358244 U CN202421358244 U CN 202421358244U CN 222666397 U CN222666397 U CN 222666397U
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Abstract
本实用新型涉及船舶用品技术领域。一种船用圆股缆绳，包括绳体，绳体是至少8股子绳体绞合编织而成；子绳体包括内外设置的圆股面外层以及股芯；股芯是至少4根平行排布的内绳纱，内绳纱是由四根超高分子量聚乙烯膜裂纤维Z型捻向而成；圆股面外层是至少16根外绳纱编织而成圆筒形结构，外绳纱是由四根超高分子量聚乙烯膜裂纤维S型捻向而成。本实用新型通过选用具有良好超高强度、耐磨和耐老化性好的超高分子量聚乙烯膜裂纤维作为船用圆股缆绳的基体材料，采用圆股编织方法，编织成型后形成圆筒形结构；股芯采用Z型捻向绳纱，不同Z型捻向绳纱之间采用平行结构，大大提高了绳纱的强度利用率与缆绳的综合性能，从而加工出具有高性价比、优异综合性能的一种新型圆股缆绳。
The utility model relates to the technical field of ship supplies. A round strand cable for ship, comprising a rope body, the rope body is formed by twisting and weaving at least 8 sub-rope bodies; the sub-rope body comprises a round strand surface outer layer and a strand core arranged inside and outside; the strand core is at least 4 inner rope yarns arranged in parallel, the inner rope yarn is formed by Z-twisting of four ultra-high molecular weight polyethylene film split fibers; the round strand surface outer layer is a cylindrical structure woven by at least 16 outer rope yarns, the outer rope yarn is formed by S-twisting of four ultra-high molecular weight polyethylene film split fibers. The utility model selects ultra-high molecular weight polyethylene film split fibers with good ultra-high strength, wear resistance and aging resistance as the base material of the round strand cable for ship, adopts a round strand weaving method, and forms a cylindrical structure after weaving and molding; the strand core adopts Z-twisting yarns, and a parallel structure is adopted between different Z-twisting yarns, which greatly improves the strength utilization rate of the rope yarn and the comprehensive performance of the cable, thereby processing a new type of round strand cable with high cost performance and excellent comprehensive performance.
Description
Technical Field
The utility model relates to the technical field of ship supplies, in particular to a mooring rope.
Background
The mooring rope is an important product widely applied to the fields of ships, ocean engineering, fishing gear, aquaculture facilities and the like. The current cables mainly comprise polyethylene cables, polyamide cables, polypropylene cables and the like, and the number of the cables is divided into three strands, eight strands and the like. The rope strands of the traditional cable are mainly twisted and are not woven by adopting a round strand structure.
After the conventional cable adopts a common fiber rope yarn material and a weaving structure to produce a synthetic fiber twisted rope, the cable has low strength and uneven surface of the rope strand.
How to improve the strength of the cable is continuously pursued in the development and design of the cable.
Disclosure of utility model
The utility model provides a round strand cable for a ship, which solves at least one technical problem in the prior art.
The technical scheme of the utility model is that the marine round strand cable comprises a cable body and is characterized in that the cable body is formed by twisting and braiding at least 8 strands of sub-cable bodies;
The sub-rope body comprises a round strand surface outer layer and a strand core which are arranged inside and outside;
The strand core is at least 4 inner rope yarns which are arranged in parallel, and the inner rope yarns are Z-shaped twisting rope yarns formed by Z-shaped twisting of four ultra-high molecular weight polyethylene film split fibers;
The outer layer of the round strand surface is a cylindrical structure formed by braiding at least 16 outer rope yarns, and the outer rope yarns are S-shaped twisting rope yarns formed by S-shaped twisting of four ultra-high molecular weight polyethylene split fibers.
The utility model selects the ultra-high molecular weight polyethylene split fiber with good ultra-high strength, wear resistance and aging resistance as the matrix material of the round strand cable for the ship, and is suitable for the industry with seawater corrosion in the ship and the like. The braided structure is also an important factor affecting the mechanical properties, wear resistance, etc. of the cable. The knitting structure of the cable is changed, so that the mechanical property, the wear resistance and the like of the cable are further influenced. The sub-rope body adopts a round strand braiding method, a cylindrical structure is formed after braiding and forming, the strand cores adopt Z-shaped twisting rope yarns, and parallel structures are adopted among different Z-shaped twisting rope yarns, so that the strength utilization rate of the ultra-high strength split fiber rope yarns and the comprehensive performance of the mooring rope are greatly improved, and the marine high-cost performance ultra-high strength round strand braided mooring rope with high cost performance and excellent comprehensive performance is processed.
Further preferably, the linear density of the ultra-high molecular weight polyethylene split fiber is 4000D.
Further preferably, the twist of the S-lay rope yarn is greater than the twist of the Z-lay rope yarn.
Further preferably, the twist of the S-shaped twisting rope yarn is 16 to 187 twists/m.
Further preferably, the twist of the Z-direction twisting rope yarn is 3 to 83 twists/m.
Further preferably, the S-lay rope yarn has a twist of 90 turns/meter.
Further preferably, the twist of the Z-lay rope yarn is 28 turns/meter.
Further preferably, the number of strands of the sub-rope body is 12.
Further preferably, the twisting pitch of the sub-rope body is 38 mm-560 mm.
Further preferably, the twisting pitch of the sub-string body is 370mm.
Further preferably, the strand cores are 44 inner rope yarns arranged in parallel.
Further preferably, the nominal diameter of the rope is 51mm.
Compared with the traditional 12-strand common fiber rope material cable (namely a nylon multifilament fiber cable), the utility model has the advantages of 16.8 percent of breaking strength, 16.3 percent of cost reduction per coil of cable, attractive appearance (round strand structure), high breaking strength, low cost per coil of cable and the like, has feasibility in industrial application of fishery and the like instead of the traditional cable, and has very wide industrial prospect in the future.
Drawings
FIG. 1 is a schematic view of a partial structure of a rope body of the present utility model;
Fig. 2 is a schematic structural view of the rope body of the present utility model.
In the figure, 1 is a sub-rope body, 11 is a round strand surface outer layer, and 12 is a strand core.
Detailed Description
Referring to fig. 1 to 2, a round strand cable for a ship comprises a rope body, wherein the rope body is formed by twisting 8-64 strands of sub-ropes 1. The twisting pitch of the sub-rope body 1 is 38 mm-560 mm.
The sub-rope body 1 comprises a round strand surface outer layer 11 and a strand core 12 which are arranged inside and outside. The strand core 12 is 4-137 inner rope yarns which are arranged in parallel, and the inner rope yarns are Z-shaped twisting rope yarns formed by Z-shaped twisting of four ultra-high molecular weight polyethylene split fibers with the linear density of 4000D. The twist of the Z-shaped twisting rope yarn is 3 to 83 twists/m. The round strand surface outer layer 11 is a cylindrical structure formed by weaving 16-296 outer rope yarns, and the outer rope yarns are S-shaped twisting rope yarns formed by four ultra-high molecular weight polyethylene split fiber S-shaped twisting directions with the linear density of 4000D. The twist of the S-shaped twisting rope yarn is 16 to 187 twists/m.
According to the utility model, the ultra-high molecular weight polyethylene split fiber with good ultra-high strength, wear resistance and ageing resistance is selected as the matrix material of the marine round strand cable. The braided structure is also an important factor affecting the mechanical properties, wear resistance, etc. of the cable. The knitting structure of the cable is changed, so that the mechanical property, the wear resistance and the like of the cable are further influenced. The sub rope body 1 is in a cylindrical structure after being woven and molded by adopting a round strand weaving method, the strand cores 12 are Z-shaped twisting rope yarns, and parallel structures are adopted among different Z-shaped twisting rope yarns, so that the strength utilization rate of the ultra-high strength split film fiber rope yarns and the comprehensive performance of the rope are greatly improved, and the marine high-cost performance ultra-high strength round strand woven rope with high cost performance and excellent comprehensive performance is processed.
The specific embodiment 1 is that the round strand cable for the ship comprises a rope body, wherein the rope body is formed by twisting and weaving 12 strands of sub-ropes 1. The twisting pitch of the sub-string body 1 was 370mm.
The sub-rope body 1 comprises a round strand surface outer layer 11 and a strand core 12 which are arranged inside and outside. The strand core 12 is 44 inner rope yarns which are arranged in parallel, and the inner rope yarns are Z-shaped twisting rope yarns formed by Z-shaped twisting of four ultra-high molecular weight polyethylene split fibers with the linear density of 4000D. The twist of the Z-direction twisted rope yarn is 28 twists/m. The round ply surface outer layer 11 is a cylindrical structure woven by 74 outer rope yarns, and the outer rope yarns are S-shaped twisting rope yarns formed by S-shaped twisting four ultra-high molecular weight polyethylene split fibers with the linear density of 4000D. The twist of the S-shaped twisting rope yarn is 90 twists/m.
A cable with a nominal diameter of 51mm was produced. The preparation method comprises the following steps:
1. polyethylene with molecular weight of 100-900 ten thousand is used as raw material to prepare ultra-high molecular weight polyethylene split fiber with linear density of 4000D. Ultra-high molecular weight polyethylene split fibers are commercially available products. For example, ultra-high molecular weight polyethylene split fibers sold by the company Zhengzhou remote defense materials Co., ltd may be selected.
2. Rope yarn
4 Ultra-high molecular weight polyethylene split fibers with a linear density of 4000D are first twisted into S-shaped twisted rope yarns for processing S-shaped twisted round strand faces with a twist of 90T/m (also called 90 twists/m), and the S-shaped twisted rope yarns are used for processing and manufacturing the round strand faces.
4 Ultra-high molecular weight polyethylene split fibers having a linear density of 4000D were first twisted with a twist of 28T/m (also called 28 twist/m) to form a Z-type twisted rope yarn for processing the strand core 12 in a Z-type twisted direction, which was used for processing and manufacturing the strand core 12.
3. Strand making
The round strand is manufactured by a round strand braiding machine, the number of S-shaped twisting rope yarns for manufacturing the round strand surface is 74, and the round strand surface is manufactured by the 74S-shaped twisting rope yarns, and the round strand surface is a round strand surface outer layer 11 with a cylindrical structure. The round strand face is manufactured by a round strand braiding machine, and meanwhile, a strand core 12 is filled in the middle of the round strand face, and 44 strand cores 12 are counted by the number of Z-shaped twisting rope yarns. The 44Z-shaped twisted rope yarns are adopted to manufacture the strand core 12 of the round strand braided cable, and the 44Z-shaped twisted rope yarns in the strand core 12 are arranged in parallel.
4. Rope making
The twelve-strand braiding machine is adopted to manufacture 12 sub-ropes into a round strand cable for the ship with the strand number of 12 strands at a pitch of 370 mm.
Compared with the traditional 12-strand nylon multifilament fiber cable (with the nominal diameter of 44 mm), the high-cost performance ultra-high strength round-strand braided cable (with the nominal diameter of 51 mm) for the 12-strand ship with the nominal diameter of 51mm has the advantages that the breaking strength is improved by 16.8%, and the cost per coil of cable (calculated by 220m per coil of cable length) is reduced by 16.3%.
The fracture strength index of the superior product of the fishing polyethylene monofilament in the SC/T5005-2014 industry standard of the fishing polyethylene monofilament is 6.3g/D. And the breaking strength of the ultra-high molecular weight polyethylene splitting fiber with the linear density of 4000D ranges from 34g/D to 40g/D, which is 4.4 times higher than that of the fishing polyethylene monofilament superior product.
The utility model (with the nominal diameter of 51 mm) has the advantages of attractive appearance (round strand structure), high breaking strength, low cost per coil of cable and the like, replaces the traditional common fiber rope yarn material cable (namely nylon multifilament fiber cable) (with the nominal diameter of 44 mm), has feasibility in industrial application in the technical field, and has very broad industrial prospect in the future. In addition, the method can be applied to the fields of fishery, transportation, civil use and the like, and has very broad industrial prospect in the future.
Embodiment 2 on the basis of embodiment 1, connecting ropes are arranged at equal intervals in the length direction of the rope body. The connecting ropes sequentially penetrate through all the sub-rope bodies and are wound and fixed on the periphery of the rope bodies. The length of the rope body is convenient to position and the locking is realized.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421358244.2U CN222666397U (en) | 2024-06-14 | 2024-06-14 | Marine round strand cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421358244.2U CN222666397U (en) | 2024-06-14 | 2024-06-14 | Marine round strand cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222666397U true CN222666397U (en) | 2025-03-25 |
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ID=95046408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421358244.2U Active CN222666397U (en) | 2024-06-14 | 2024-06-14 | Marine round strand cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222666397U (en) |
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- 2024-06-14 CN CN202421358244.2U patent/CN222666397U/en active Active
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