CN210561074U - High-strength low-extension bending-fatigue-resistant sailing boat rope - Google Patents
High-strength low-extension bending-fatigue-resistant sailing boat rope Download PDFInfo
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- CN210561074U CN210561074U CN201920639979.5U CN201920639979U CN210561074U CN 210561074 U CN210561074 U CN 210561074U CN 201920639979 U CN201920639979 U CN 201920639979U CN 210561074 U CN210561074 U CN 210561074U
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Abstract
The utility model provides a sailing boat rope with high strength, low extension and bending fatigue resistance, which comprises a rope core formed by weaving and a rope sheath wrapped outside the rope core, wherein the rope core is made of high-strength fibers; the rope sheath is formed by weaving a plurality of strands formed by twisting a plurality of high-strength fibers; wherein the core component or the whole rope is subjected to tension heat setting treatment. The sailing boat rope has higher breaking strength and lower load elongation rate on the premise of ensuring that the rope body has enough plumpness and flexibility, and meanwhile, the bending fatigue resistance is obviously improved.
Description
Technical Field
The utility model relates to a high strength, low extend and resistant bending fatigue's sailing boat rope belongs to rope technical field.
Background
With the improvement of life quality and the abundance of substances of people, ocean leisure of most developed countries in the world enters daily life of people, sailing boat navigation sports are sunrise industry in China, have huge potential and business opportunities, and become a new economic growth point in ocean economic development, so the sailing boat rope attached to the field has great market potential.
At present, sailing boat rope series products exist internationally, but the domestic sailing boat rope products have performance indexes of high breaking strength, low elongation and excellent bending fatigue resistance on the premise that the sufficient plumpness and flexibility of a rope body cannot be ensured, so that the sailing boat rope can not meet the sailing use requirements on sailing boats, and the use field of the domestic sailing boat rope products and the acceptance of domestic and foreign markets are greatly limited.
Therefore, a sailing boat rope with higher breaking strength, lower elongation and more excellent bending fatigue resistance is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical barriers of the prior sailing rope, provides a sailing rope with high strength, low extension and bending fatigue resistance, has higher breaking strength and lower load elongation rate on the premise of ensuring the rope body to have enough plumpness and flexibility, obviously improves the bending fatigue resistance, and has the following technical proposal,
a sailing boat rope with high strength, low extension and bending fatigue resistance comprises a rope core formed by weaving and a rope sheath wrapped outside the rope core, wherein the rope core is made of high-strength fibers; the rope sheath is formed by weaving a plurality of strands formed by twisting a plurality of high-strength fibers; wherein the core component or the whole rope is subjected to tension heat setting treatment.
Preferably, the rope core and the rope sheath comprise high-strength fiber strands in S-twist direction and high-strength fiber strands in Z-twist direction.
Further, the number of the high-strength fiber strands in the S-lay direction is the same as that of the high-strength fiber strands in the Z-lay direction.
Further, the number of the high-strength fiber strands in the S-lay direction and the Z-lay direction of the rope core is 4, 6 or 8.
Further, the number of the high-strength fiber strands in the S-lay direction and the Z-lay direction of the rope sheath is 8 or 12 or 16 or 24.
Preferably, the high-strength fibers at least comprise one of nylon, terylene, aramid fiber and HMPE.
The utility model discloses to the fibre that constitutes the rope, nervous heat setting makes the orderly degree of fibre macromolecule segment along the tractive force direction increase, and the stress in the fibre reduces, and crystallinity and crystalline region increase, and amorphous region tend to concentrate, and fiber structure and stability obtain promoting to make the powerful improvement of fracture of fibre itself, the load elongation of fibre self reduces simultaneously; for the whole rope or rope core, the residual stress in the weaving process is released through the thermal effect of tension heat setting, the arrangement of the fibers in the rope strands is more uniform and tends to the axial direction of the rope under the action of the tensile force, and the new fiber arrangement is stabilized through the thermal effect, so that the breaking strength of the rope is obviously improved, the load elongation is obviously reduced, and in addition, the bending rigidity of the rope is reduced after the rope is subjected to heat drawing, so that the bending fatigue resistance is improved; synthesize above all factors, the utility model discloses a sailing boat rope has higher powerful, the lower percentage elongation of breaking through after the nervous heat setting technology, has better bending fatigue resistance ability concurrently to very big practical value has.
Drawings
Fig. 1 is a schematic structural diagram of the sailing boat rope of the present invention.
Fig. 2 is a schematic cross-sectional view of the sailing rope of the present invention.
Fig. 3 is a flow chart of the method for making the sailing boat rope according to the present invention.
In the figure: 1. rope skin; 2. a rope core; 3. a rope skin ply yarn; 4. a core strand.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a sailing boat rope with high strength, low elongation and bending fatigue resistance comprises a rope core 2 formed by weaving and a rope sheath 1 wrapped outside the rope core 2, wherein the rope core 2 is made of high-strength fibers; the rope sheath 1 is formed by weaving a plurality of strands formed by twisting a plurality of high-strength fibers; wherein, the rope core 2 component or the whole rope is subjected to tension heat setting treatment. The high-strength fiber at least comprises one of nylon, terylene, aramid fiber and HMPE.
The rope core 2 and the rope sheath 1 both comprise high-strength fiber strands in an S-lay direction and high-strength fiber strands in a Z-lay direction. 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 high-strength fiber strands in the S-twist direction and the Z-twist direction of the rope core 2 is 4, 6 or 8. The number of the high-strength fiber strands in the S-lay direction and the Z-lay direction of the rope sheath 1 is 8 or 12 or 16 or 24. The strands mentioned in the description correspond to the core strands 4 of the core 2 and the sheath strands 3 of the sheath 1, respectively.
As shown in fig. 3, a method for manufacturing a sailboat rope with high strength, low elongation and bending fatigue resistance comprises the following steps:
step a, selecting fibers: selecting at least one high-strength fiber;
step b, rope core stranding: selecting a plurality of high-strength fibers, and twisting the high-strength fibers on a full-automatic stranding machine to obtain rope core plied yarns 4 with a certain length, wherein the half number of the high-strength fibers is in an S twisting direction, and the half number of the high-strength fibers is in a Z twisting direction;
step c, manufacturing a rope core: weaving half of S-direction twisted rope core strands 4 and half of Z-direction twisted rope core strands 4 into 1 rope core 2 on a high-speed knitting machine;
step d, tensioning and heat setting the rope core: carrying out tension heat setting on the whole rope core 1 and the whole rope core 2 through a heat setting machine;
step e, doubling and twisting the rope and the sheath: a plurality of high-strength fibers are selected to obtain a rope skin folded yarn 3 with a certain length by twisting on a full-automatic ring twisting machine, and the rope skin folded yarn is divided into an S twisting direction and a Z twisting direction;
step f, pre-weaving the skin strands: pre-weaving the prepared rope skin compound yarns 3 into yarn tubes which accord with a spindle of a high-speed braiding machine on a full-automatic pre-weaving machine according to a given length, wherein half of the yarn tubes are in an S twisting direction, and half of the yarn tubes are in a Z twisting direction;
step g, rope manufacturing: the obtained yarn tube is taken as a weaving element of the rope sheath 1, the yarn tube is woven outside the rope core 2 on a high-speed weaving machine according to the condition that half of yarn tube travels clockwise and half of yarn tube travels anticlockwise to form the rope sheath 1, and the rope sheath 1 covers the rope core 2 to form the whole rope at one time;
step h, tensioning and heat setting the whole rope: the whole rope is subjected to tension heat setting through a heat setting machine.
The heat source of the heat setting machine in the step d and the step h is hot air or water vapor, the temperature range of the hot air is 80-200 ℃, the temperature range of the water vapor is 100-160 ℃, the selected drafting ratio of the heat setting machine is 1.0-1.2, and the selected time range is 30s-6 min; the selected drawing tension of the heat setting machine in the step d is 5-20% of the breaking strength of the rope core 2, and the selected drawing tension of the heat setting machine in the step h is 5-15% of the breaking strength of the whole rope.
And d, tensioning and heat setting the rope core 2 in the step d and the whole rope in the step h can be selected at the same time, or only one of the steps can be selected as a manufacturing method.
The method specifically comprises the following steps of for a sailing boat rope with the diameter specification of 6 mm:
(1) selecting fibers: selecting 1000D polyester fiber;
(2) rope core stranding: selecting 15 1000D polyester fibers, and twisting the 1000D polyester fibers on a full-automatic stranding machine for 40-50 twists/meter to obtain a rope core folded yarn 4 of 120m, wherein 4 strands are in an S twist direction, and 4 strands are in a Z twist direction;
(3) manufacturing a rope core: 4 strands of S-direction twisted rope core strands 4 and 4 strands of Z-direction twisted rope core strands 4 are braided into 1 8 braided rope core with the length of 100m on a high-speed braiding machine;
(4) tensioning and heat setting the rope core: performing tension heat setting on the whole rope core 2 for 30s under hot air at 200 ℃, 5 percent of rope core breaking strength tension and a draw ratio of 1;
(5) doubling and twisting the rope and the leather: selecting 5 1000D polyester fibers, and obtaining 1200m of each of S-twist-direction and Z-twist-direction rope sheath compound yarns 3 on a full-automatic ring twisting machine according to 100 twists/m;
(6) pre-weaving the skin strands: pre-weaving the prepared rope sheath compound yarn 3 on a full-automatic pre-weaving machine according to 150m yarn tubes to form yarn tubes which accord with spindles of a high-speed weaving machine, namely 8 yarn tubes (1200/150) are respectively arranged in the S twisting direction and the Z twisting direction of a polyester fiber yarn tube, and 16 yarn tubes are totally arranged;
(7) rope manufacturing: taking 16 bobbins as weaving elements of the rope sheath 1, weaving the bobbins outside the rope core 2 on a high-speed weaving machine according to 8 clockwise walking and 8 anticlockwise walking to form the rope sheath 1, and coating the rope core 2 with the rope sheath 1 to form a whole rope of 100m at one time;
(8) tensioning the whole rope and performing heat setting: and (3) carrying out tension heat setting on the whole 100m rope for 3.5min under the conditions of hot water steam at 100 ℃, 5% of breaking strength of the whole rope and a drawing ratio of 1.05, and cooling to obtain the 6mm polyester sailing ship rope.
The method specifically comprises the following steps of for a sailing boat rope with the diameter specification of 8 mm:
(1) selecting fibers: selecting 1000D polyester fiber and 1500D aramid fiber;
(2) rope core stranding: selecting 14 1000D polyester fibers, and twisting the polyester fibers by 40-50 twists/m on a full-automatic stranding machine to obtain a cord core folded yarn 4 of 120m, wherein 8 strands are in an S twist direction and 8 strands are in a Z twist direction;
(3) manufacturing a rope core: weaving 8 strands of S-direction core strands and 8 strands of Z-direction rope core strands 4 on a high-speed weaving machine to form 1 16-woven rope core 2 with the length of 100 m;
(4) tensioning and heat setting the rope core: performing tension heat setting on the whole rope core 2 for 2min under hot water vapor at 140 ℃, 10% rope core breaking strength tension and a draft ratio of 1.1;
(5) doubling and twisting the rope and the leather: selecting 6 1000D polyester fibers, and obtaining 900m of each of S-twist-direction and Z-twist-direction rope sheath compound yarns on a full-automatic ring twisting machine according to 100 twists/m; selecting 4 1500D aramid fibers, and obtaining 900m of each of S-twist-direction and Z-twist-direction rope sheath compound yarns on a full-automatic ring twisting machine according to 100 twists/m;
(6) pre-weaving the skin strands: pre-weaving the prepared rope sheath compound yarn 3 on a full-automatic pre-weaving machine according to 150m yarn tubes to form yarn tubes which accord with a spindle of a high-speed weaving machine, namely, 24 yarn tubes are pre-woven in the S twisting direction and the Z twisting direction of a polyester fiber yarn tube and an aramid fiber yarn tube respectively, wherein the number of the yarn tubes is 6 (900/150);
(7) rope manufacturing: taking 24 bobbins as weaving elements of the rope sheath 1, weaving the bobbins outside the rope core 2 on a high-speed weaving machine according to 12 clockwise walking and 12 anticlockwise walking to form the rope sheath 1, and coating the rope core 2 with the rope sheath 1 to form a whole rope of 100m at one time;
(8) tensioning the whole rope and performing heat setting: and (3) carrying out tension heat setting on the whole 100m rope for 50s under hot water steam at 160 ℃, 10% of breaking strength of the whole rope and a draft ratio of 1.05, and cooling to obtain the 8mm polyester/aramid fiber hybrid sailing boat rope.
The method specifically comprises the following steps of for a sailing boat rope with the diameter specification of 12 mm:
(1) selecting fibers: selecting 1000D polyester fiber and 1600D HMPE fiber;
(2) rope core stranding: selecting 17 HMPE fibers of 1600D, and twisting 40-50 twists/m on a full-automatic stranding machine to obtain a 60m rope core folded yarn 4, wherein 6 strands are in an S twist direction and 6 strands are in a Z twist direction;
(3) manufacturing a rope core: weaving 6 strands of S-direction twisted rope core strands 4 and 6 strands of Z-direction twisted rope core strands 4 on a high-speed weaving machine into 1 12 woven rope core 2 with the length of 50 m;
(4) tensioning and heat setting the rope core: performing tension heat setting on the whole rope core 2 for 6min under the hot air at 80 ℃, the breaking strength tension of 20 percent of the rope core and the draft ratio of 1.2;
(5) doubling and twisting the rope and the leather: selecting 10 1000D polyester fibers, and obtaining 1200m of each of S-twist-direction and Z-twist-direction rope sheath compound yarns 3 on a full-automatic ring twisting machine according to 60 twists/m;
(6) pre-weaving the skin strands: pre-weaving the prepared rope sheath compound yarn 3 into yarn tubes according to the condition that one yarn tube is 75m on a full-automatic pre-weaving machine, wherein the yarn tubes are consistent with spindles of a high-speed weaving machine, namely 16 yarn tubes (1200/75) are respectively arranged in the S twisting direction and the Z twisting direction of a polyester fiber yarn tube, and the total number of the yarn tubes is 32;
(7) rope manufacturing: 32 yarn tubes are obtained as weaving elements of the rope sheath 1, the yarn tubes are woven outside the rope core 2 on a high-speed weaving machine according to the condition that 16 yarn tubes move clockwise and 16 yarn tubes move anticlockwise to form the rope sheath 1, and the rope sheath 1 covers the rope core 2 to form a 50-m 12-mm sailing boat rope at one time.
The method specifically comprises the following steps of for a sailing boat rope with the diameter specification of 14 mm:
(1) selecting fibers: selecting polyamide fiber with specification of 840D;
(2) rope core stranding: selecting 53 840D nylon fibers, and twisting the fibers 40-50 twists/m on a full-automatic stranding machine to obtain 240m rope core folded yarns 4, wherein 6 strands are in an S twist direction and 6 strands are in a Z twist direction;
(3) manufacturing a rope core: weaving 6 strands of S-direction twisted rope core strands 4 and 6 strands of Z-direction twisted rope core strands 4 on a high-speed weaving machine into 1 12 woven rope cores 2 with the length of 200 m;
(4) doubling and twisting the rope and the leather: selecting 9 840D nylon fibers, and obtaining 7200m each of S-twist-direction and Z-twist-direction rope sheath compound yarns on a full-automatic ring twisting machine according to 70 twists/m;
(5) pre-weaving the skin strands: pre-weaving the prepared rope sheath compound yarn 3 into yarn tubes according to the spindle of a high-speed braiding machine on a full-automatic pre-weaving machine according to one yarn tube with the length of 300m, namely, 24 yarn tubes (7200/300) are respectively arranged in the S twisting direction and the Z twisting direction of the polyester fiber yarn tube, and the total number of the yarn tubes is 48;
(6) rope manufacturing: obtaining 48 bobbins as weaving elements of the rope sheath 1, weaving the bobbins outside the rope core 2 on a high-speed weaving machine according to 24 clockwise walking and 24 anticlockwise walking to form the rope sheath 1, and wrapping the rope core 2 with the rope sheath 1 to form a 200m whole rope at one time;
(7) tensioning the whole rope and performing heat setting: and (3) carrying out tension heat setting on the whole 200m rope for 4min under 150 ℃ hot air, 15% of breaking strength of the whole rope and a drawing ratio of 1.15, and cooling to obtain the 14mm nylon sailboat rope.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. A sailboat rope with high strength, low extension and bending fatigue resistance is characterized in that: the sailing boat rope comprises a rope core formed by weaving and a rope sheath wrapped outside the rope core, wherein the rope core is made of high-strength fibers; the rope sheath is formed by weaving a plurality of strands formed by twisting a plurality of high-strength fibers; the rope core and the rope sheath comprise high-strength fiber strands in an S-twisting direction and high-strength fiber strands in a Z-twisting direction.
2. The sailboat rope of claim 1, which is high strength, low elongation and resistant to bending fatigue, 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.
3. The sailboat rope of claim 2, which is high strength, low elongation and resistant to bending fatigue, characterized in that: the number of the high-strength fiber strands in the S-twist direction and the Z-twist direction of the rope core is 4, 6 or 8.
4. The sailboat rope of claim 2, which is high strength, low elongation and resistant to bending fatigue, characterized in that: the number of the high-strength fiber strands in the S-lay direction and the Z-lay direction of the rope sheath is 8 or 12 or 16 or 24.
5. The sailboat rope of claim 1, which is high strength, low elongation and resistant to bending fatigue, wherein: the high-strength fiber at least comprises one of nylon, terylene, aramid fiber and HMPE.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111996662A (en) * | 2020-08-10 | 2020-11-27 | 泰安科鼎特工贸有限公司 | Wear-resistant twisted rope and weaving method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111996662A (en) * | 2020-08-10 | 2020-11-27 | 泰安科鼎特工贸有限公司 | Wear-resistant twisted rope and weaving method thereof |
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