CN110396839B - Reducing jointless safety protection rope and manufacturing method thereof - Google Patents
Reducing jointless safety protection rope and manufacturing method thereof Download PDFInfo
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- CN110396839B CN110396839B CN201910738017.XA CN201910738017A CN110396839B CN 110396839 B CN110396839 B CN 110396839B CN 201910738017 A CN201910738017 A CN 201910738017A CN 110396839 B CN110396839 B CN 110396839B
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- 238000004519 manufacturing process Methods 0.000 title claims description 25
- 239000010985 leather Substances 0.000 claims description 57
- 238000009954 braiding Methods 0.000 claims description 33
- 238000004804 winding Methods 0.000 claims description 12
- 229920006052 Chinlon® Polymers 0.000 claims description 8
- 229920004933 Terylene® Polymers 0.000 claims description 8
- 229920006231 aramid fiber Polymers 0.000 claims description 8
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000009941 weaving Methods 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 230000009194 climbing Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
- D07B1/025—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics comprising high modulus, or high tenacity, polymer filaments or fibres, e.g. liquid-crystal polymers
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/104—Rope or cable structures twisted
- D07B2201/1044—Rope or cable structures twisted characterised by a value or range of the pitch parameter given
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2001—Wires or filaments
- D07B2201/2009—Wires or filaments characterised by the materials used
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/2038—Strands characterised by the number of wires or filaments
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2089—Jackets or coverings comprising wrapped structures
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/209—Jackets or coverings comprising braided structures
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/20—Organic high polymers
- D07B2205/2039—Polyesters
- D07B2205/2042—High performance polyesters, e.g. Vectran
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/20—Organic high polymers
- D07B2205/2046—Polyamides, e.g. nylons
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/20—Organic high polymers
- D07B2205/2046—Polyamides, e.g. nylons
- D07B2205/205—Aramides
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/206—Improving radial flexibility
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/2065—Reducing wear
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention provides a variable-diameter jointless safety protection rope which comprises a first rope and a second rope, wherein the first rope comprises a first rope skin and a first rope core, the second rope comprises a second rope skin and a second rope core, the first rope skin and the first rope core are respectively in jointless connection with the second rope skin and the second rope core, and the diameters of the first rope skin and the first rope core are respectively larger than those of the second rope skin and the second rope core. The invention can meet the performances of thick rope skin, more rope cores and large diameter in wear-resistant places, and the non-contact hanging point can meet the characteristics of small diameter, thin rope skin and less rope cores, thus achieving the characteristics of lighter weight, finer weight and better buffering performance in use.
Description
Technical Field
The invention relates to a reducing jointless safety protection rope and a manufacturing method thereof, belonging to the field of ropes.
Background
In recent years, the construction of a safety protection emergency rescue system in China is increasingly important, the region of China is wide, the industrial door is complete, and activities such as high-altitude or deep-ground operation are involved in various fields such as aerospace, national defense and military industry, fire rescue, resource exploration, oil exploitation, electric power construction, outdoor exercises, rescue and relief work and the like, so that a safety protection rope is necessary equipment. But at present, the quality of rope products in China in the fields is generally low, and the market of high-end products is mostly occupied by foreign brands.
The same safety protection rope is required to meet the performances of thick rope skin, more rope cores and large diameter in the wear-resistant place, the diameter of the non-contact hanging point is required to be small, the rope skin is thin, the rope cores are few, the characteristics of lighter weight, thinner weight and better buffering performance in use are achieved, meanwhile, the rope is required to be free of joints, and no variable-diameter and jointless safety protection rope exists at present.
Disclosure of Invention
The invention provides a reducing jointless safety protection rope and a manufacturing method thereof, which aims to solve the defects in the prior art, and the specific technical scheme is as follows:
the utility model provides a reducing jointless safety protection rope, includes first rope and second rope, first rope includes first rope skin and first rope core, the second rope includes second rope skin and second rope core, first rope skin and first rope core do not have the joint connection with second rope skin and second rope core, the diameter of first rope skin and first rope core is greater than the diameter of second rope skin and second rope core respectively.
Preferably, the single strand of the first rope skin and the single strand of the second rope skin have the same thickness and twist; the pitch of the first rope leather is 15-30mm, and the pitch of the second rope leather is 20-34mm.
Further, the tightness of the first rope leather is larger than that of the second rope leather.
Further, the first rope leather and the second rope leather are in plain weave 32, plain weave 40 or twill weave 32 and twill weave 40; the specification of the rope skin twisting wire of the first rope skin and the second rope skin is 5 x 230D-3 x 1680D, and the twisting degree is 50-160 twists/m.
Preferably, the first rope core and the second rope core have the same twisting structure and number, the first twist and the second twist of the twisted wires of the first rope core and the second rope core are the same, and the second twist and the first twist of the twisted wires of the first rope core and the second rope core are the same.
Further, the rope core strand structures of the first rope core and the second rope core are twisted structures, the number of strands of the rope core strand structures is 3 strands of twisted wires, the rope core is manufactured in a primary twisting mode, the primary twisting degree is 120-220 twists/m, and the secondary twisting degree is 100-160 twists/m; the number of the twisted threads of the first rope core and the second rope core is 6-16 strands; the specification of the rope core strand of the first rope core is 3*5 x 630D-3 x 10 x 1680D; the second core has a core strand gauge of 3 x 4 x 630D-3*8 x 1680D.
Further, the number of yarns in the twisted yarns of the second rope core is smaller than the number of yarns in the twisted yarns of the first rope core.
Preferably, the first rope leather, the second rope leather, the first rope core and the second rope core are all made of one of terylene, chinlon and aramid fiber.
Preferably, the first rope diameter gauge is 7.5-16mm and the second rope diameter gauge is 7-15.5mm.
A manufacturing method of a reducing jointless safety protection rope comprises the following steps:
step one: and (3) material selection: selecting at least one yarn of terylene, chinlon and aramid fiber to respectively manufacture twisted yarns of a first rope skin and a first rope core;
step two: manufacturing rope leather: taking the twisted yarns of the first rope leather with the specification of 5 x 230D-3 x 1680D, setting the twist degree to be 50-160 twists/meter, and twisting and combining the twisted yarns into one strand by a twisting machine to prepare rope leather strands of the first rope leather;
step three: rope core primary twisting: twisting 5 first rope cores of 630D-10 of 1680D, cutting 1-3 yarns in the first rope core twist after twisting to a required length, and continuously twisting to manufacture second rope core twist, wherein the primary twist is 120-220 twists/m;
step four: rope core double twisting: after the primary twisting is finished, taking 3 twisted yarns of the first rope core and the corresponding twisted yarns of the second rope core for performing a secondary twisting operation, wherein the secondary twisting twist is set to be 100-160 twists/m, and the rope core strands of the first rope core and the second rope core are manufactured;
step five: rope leather doubling: doubling the rope leather strand wires of the first rope leather prepared in the second step on a full-automatic doubling machine, and doubling the strand wires on corresponding braiding machine bobbins;
step six: winding: taking the rope core strand wires of the first rope core and the second rope core in the fourth step, and carrying out winding operation on a winding machine to obtain a rope core yarn drum;
step seven: weaving: the rope skin strand of the first rope skin is combined with the rope core strand of the first rope core to form a first rope on a high-speed braiding machine, when the length of the rope core strand of the first rope core is braided, the rope core strand of the first rope core is transited to the rope core strand of the second rope core, the gear proportion of the braiding machine is regulated at the moment, so that the braiding pitch of the rope skin strand of the first rope skin is increased, the braiding density of the rope skin strand is loosened, the rope skin strand of the first rope skin is changed into the rope skin strand of the second rope skin, and after the braiding of the rope skin strand of the second rope skin is completed by combining with the rope core strand of the second rope core, the braiding process is finished.
The invention can meet the performances of thick rope skin, more rope cores and large diameter in wear-resistant places, and the non-contact hanging point can meet the characteristics of small diameter, thin rope skin and less rope cores, thus achieving the characteristics of lighter weight, finer weight and better buffering performance in use. The invention can be widely applied to the fields of safety protection such as rapid descent, hole detection, industrial operation, mountain climbing, rock climbing, escape and rescue, outdoor rescue and the like, and in each application field, the large-diameter part can play a role in better wear resistance, better safety and longer durability, and the small-diameter part can play a role in lighter weight, finer weight and better buffering performance in use.
Drawings
Fig. 1 is a schematic structural view of a variable diameter endless safety rope according to the present invention.
In the figure: 1. a first rope; 101. a first rope skin; 102. a first rope core; 2. a second rope; 201. a second rope skin; 202. and a second rope core.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, the variable-diameter non-joint safety protection rope comprises a first rope 1 and a second rope 2, wherein the first rope 1 comprises a first rope leather 101 and a first rope core 102, the second rope 2 comprises a second rope leather 201 and a second rope core 202, the first rope leather 101 and the first rope core 102 are respectively connected with the second rope leather 201 and the second rope core 202 in a non-joint mode, and the diameters of the first rope leather 101 and the first rope core 102 are respectively larger than those of the second rope leather 201 and the second rope core 202. The diameter specification of the first rope 1 is 7.5-16mm, the diameter specification of the second rope 2 is 7-15.5mm, and the diameter difference of the two specifications is 0.1-2 mm. The first rope 1 is directly connected with a hanging point or a quick-hanging hook when in use, so that the wear resistance is better and the durability is longer; the second rope 2 has a small rope diameter, a thin rope skin and a reduced rope core, which is lighter and thinner, has a better cushioning performance in use and can pass through the lock catch and the protection device more smoothly in use.
The thickness and twist of the single strand of the first rope skin 101 and the second rope skin 201 are the same; the pitch of the first rope leather 101 is 15-30mm, and the pitch of the second rope leather 201 is 20-34mm. The first rope skin 101 is knitted more tightly than the second rope skin 201, and the first rope skin 101 is thickened and increased than the second rope skin 201 under the same knitting condition.
The first twist structure and the number of the twisted wires of the first rope core 102 and the second rope core 202 are the same, the first twist of the twisted wires of the first rope core 102 and the second rope core 202 are the same, and the second twist of the twisted wires of the first rope core 102 and the second rope core 202 are the same. The number of yarns in the twist of the second rope core 202 is smaller than the number of yarns in the twist of the first rope core 102, but no joint exists, so that the twist fineness of the second rope core 202 is smaller than the twist fineness of the first rope core 102, and the first rope core 102 is thicker than the second rope core 202; the first rope sheath 101 and the second rope sheath 201 wrap the first rope core 102 and the second rope core 202, resulting in the first rope 1 being thicker than the second rope 2 after the braiding is completed.
The first rope leather 101, the second rope leather 201, the first rope core 102 and the second rope core 202 are made of one of terylene, chinlon and aramid fiber. The first rope leather 101 and the second rope leather 201 have the structures of plain weave 32, plain weave 40 or twill weave 32 and twill weave 40; the gauge of the rope sheath twist of the first rope sheath 101 and the second rope sheath 201 is 5 x 230d-3 x 1680d, and the twist is 50-160 twists/meter. The rope core strand structures of the first rope core 102 and the second rope core 202 are twisted structures, the number of strands of twisted threads is 3, the rope core is manufactured through a primary twisting mode, the primary twisting degree is 120-220 twists/m, and the secondary twisting degree is 100-160 twists/m; the number of the twisted threads of the first rope core 102 and the second rope core 202 is 6-16 strands; the first cord 102 has a cord strand gauge of 3*5 x 630D-3 x 10 x 1680D; the strand size of the second core 202 is 3 x 4 x 630D-3*8 x 1680D, the number of 3*5 x 630D-3 x 10 x 1680D is the yarn number, and the size is the yarn thickness.
A manufacturing method of a reducing jointless safety protection rope comprises the following steps:
step one: and (3) material selection: selecting at least one yarn of terylene, chinlon and aramid fiber to respectively manufacture twisted yarns of the first rope leather 101 and the first rope core 102;
step two: manufacturing rope leather: taking the twisted yarns of the first rope skin 101 with the specification of 5 x 230D-3 x 1680D, setting the twist to be 50-160 twists/m, and twisting and combining the yarns into one strand by a twisting machine to prepare rope skin strands of the first rope skin 101;
step three: rope core primary twisting: taking 5-630D-10 1680D twisted yarns of the first rope core 102, cutting off 1-3 yarns in the twisted yarns of the first rope core 102 after the twisted yarns are twisted to the required length, and continuously twisting to manufacture the twisted yarns of the second rope core 202, wherein the primary twist is 120-220 twists/m;
step four: rope core double twisting: after the primary twisting is finished, taking 3 twisted yarns of the first rope core 102 and the corresponding twisted yarns of the second rope core 202 to perform a secondary twisting operation, wherein the secondary twisting twist is set to be 100-160 twists/m, and the rope core strands of the first rope core 102 and the second rope core 202 are manufactured;
step five: rope leather doubling: doubling the rope leather strand of the first rope leather 101 prepared in the second step on a full-automatic doubling machine, and doubling the rope leather strand onto a corresponding braiding machine bobbin;
step six: winding: taking the rope core strands of the first rope core 102 and the second rope core 202 in the fourth step, and winding on a winder to obtain a rope core yarn drum;
step seven: weaving: the rope sheath strands of the first rope sheath 101 are combined with the rope core strands of the first rope core 102 to form the first rope 1 on a high-speed braiding machine, after the rope core strands of the first rope core 102 are completely braided, the rope core strands of the first rope core 102 are transited to the rope core strands of the second rope core 202, at the moment, the braiding machine gear ratio is adjusted, so that the braiding pitch of the rope sheath strands of the first rope sheath 101 is increased, the braiding density of the rope sheath strands is loosened, the rope sheath strands of the first rope sheath 101 are changed into the rope sheath strands of the second rope sheath 201, and after the rope sheath strands of the second rope sheath 201 are combined with the rope core strands of the second rope core 202, the braiding process is finished.
The invention realizes that the first rope leather 101 and the second rope leather 201, the first rope core 102 and the second rope core 202 are all free of joints in manufacturing, and ensures that the whole rope is free of the weak ring phenomenon generated by the joints, so that the safety protection rope is worn or broken at the joints, and further, the rope is scrapped or broken to cause personal casualties.
Embodiment one:
a manufacturing method of a reducing jointless safety protection rope comprises the following steps:
step one: and (3) material selection: selecting at least one yarn of terylene, chinlon and aramid fiber to respectively manufacture twisted yarns of the first rope leather 101 and the first rope core 102;
step two: manufacturing rope leather: taking the twisted yarn of the first rope skin 101 with the specification of 5 x 230D, setting the twist to be 50 twists/meter, and twisting and combining the twisted yarn into one strand by a TWISTECHNOLOG twisting machine to prepare a rope skin strand of the first rope skin 101;
step three: rope core primary twisting: taking 5 first rope cores 102 with the number of 630D, twisting, cutting off 1 yarn in the first rope core 102 after twisting to the required length, and continuously twisting to manufacture the second rope core 202, wherein the primary twist is 120 twists/m;
step four: rope core double twisting: after the primary twisting is finished, taking 3 twisted yarns of the first rope core 102 and the corresponding twisted yarns of the second rope core 202 to perform a secondary twisting operation, wherein the secondary twisting twist is set to be 100 twists/m, and obtaining rope core strands of the first rope core 102 and the second rope core 202;
step five: rope leather doubling: doubling the rope leather strand of the first rope leather 101 prepared in the second step on a full-automatic doubling machine, and doubling the rope leather strand onto a corresponding braiding machine bobbin;
step six: winding: taking the rope core strands of the first rope core 102 and the second rope core 202 in the fourth step, and winding on a winder to obtain a rope core yarn drum;
step seven: weaving: the rope sheath strands of the first rope sheath 101 are combined with the rope core strands of the first rope core 102 to form the first rope 1 on a high-speed braiding machine, after the rope core strands of the first rope core 102 are completely braided, the rope core strands of the first rope core 102 are transited to the rope core strands of the second rope core 202, at the moment, the braiding machine gear ratio is adjusted, so that the braiding pitch of the rope sheath strands of the first rope sheath 101 is increased, the braiding density of the rope sheath strands is loosened, the rope sheath strands of the first rope sheath 101 are changed into the rope sheath strands of the second rope sheath 201, and after the rope sheath strands of the second rope sheath 201 are combined with the rope core strands of the second rope core 202, the braiding process is finished.
Embodiment two:
a manufacturing method of a reducing jointless safety protection rope comprises the following steps:
step one: and (3) material selection: selecting at least one yarn of terylene, chinlon and aramid fiber to respectively manufacture twisted yarns of the first rope leather 101 and the first rope core 102;
step two: manufacturing rope leather: taking the twisted yarn of the first rope skin 101 with the specification of 3 x 1680D, setting the twist to 160 twists/meter, and twisting and combining the twisted yarn into one strand by a TWISTECHNOLOG twisting machine to prepare a rope skin strand of the first rope skin 101;
step three: rope core primary twisting: taking 10 first rope cores 102 with the number of 1680D, twisting, cutting off 3 yarns in the first rope cores 102 after twisting to the required length, and continuously twisting to manufacture second rope cores 202, wherein the primary twist is 220 twists/m;
step four: rope core double twisting: after the primary twisting is finished, taking 3 twisted yarns of the first rope core 102 and the corresponding twisted yarns of the second rope core 202 to perform a secondary twisting operation, wherein the secondary twisting twist is set to 160 twists/meter, and obtaining rope core strands of the first rope core 102 and the second rope core 202;
step five: rope leather doubling: doubling the rope leather strand of the first rope leather 101 prepared in the second step on a full-automatic doubling machine, and doubling the rope leather strand onto a corresponding braiding machine bobbin;
step six: winding: taking the rope core strands of the first rope core 102 and the second rope core 202 in the fourth step, and winding on a winder to obtain a rope core yarn drum;
step seven: weaving: the rope sheath strands of the first rope sheath 101 are combined with the rope core strands of the first rope core 102 to form the first rope 1 on a high-speed braiding machine, after the rope core strands of the first rope core 102 are completely braided, the rope core strands of the first rope core 102 are transited to the rope core strands of the second rope core 202, at the moment, the braiding machine gear ratio is adjusted, so that the braiding pitch of the rope sheath strands of the first rope sheath 101 is increased, the braiding density of the rope sheath strands is loosened, the rope sheath strands of the first rope sheath 101 are changed into the rope sheath strands of the second rope sheath 201, and after the rope sheath strands of the second rope sheath 201 are combined with the rope core strands of the second rope core 202, the braiding process is finished.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (9)
1. The utility model provides a reducing does not have joint safety protection rope which characterized in that: the novel rope comprises a first rope (1) and a second rope (2), wherein the first rope (1) comprises a first rope skin (101) and a first rope core (102), the second rope (2) comprises a second rope skin (201) and a second rope core (202), the first rope skin (101) and the first rope core (102) are respectively connected with the second rope skin (201) and the second rope core (202) in an endless manner, and the diameters of the first rope skin (101) and the first rope core (102) are respectively larger than those of the second rope skin (201) and the second rope core (202);
the manufacturing method comprises the following steps:
step one: and (3) material selection: selecting at least one yarn of terylene, chinlon and aramid fiber to respectively manufacture twisting yarns of a first rope skin (101) and a first rope core (102);
step two: manufacturing rope leather: taking the twisted yarns of the first rope skin (101) with the specification of 5 x 230D-3 x 1680D, setting the twist to be 50-160 twists/m, and twisting and combining the yarns into one strand by a twisting machine to prepare rope skin strands of the first rope skin (101);
step three: rope core primary twisting: taking 5-630D-10 1680D first rope cores (102) to twist, cutting 1-3 yarns in the first rope cores (102) to twist after the first rope cores are twisted to a required length, and continuing twisting to manufacture second rope cores (202) to twist, wherein the primary twist is 120-220 twists/m;
step four: rope core double twisting: after the primary twisting is finished, taking 3 twisted yarns of the first rope core (102) and the corresponding twisted yarns of the second rope core (202) to perform a secondary twisting operation, wherein the secondary twisting twist is set to be 100-160 twists/m, and the rope core strands of the first rope core (102) and the second rope core (202) are manufactured;
step five: rope leather doubling: doubling the rope leather strand wires of the first rope leather (101) prepared in the second step on a full-automatic doubling machine, and doubling the strand wires on corresponding braiding machine bobbins;
step six: winding: taking the rope core strand wires of the first rope core (102) and the second rope core (202) in the fourth step, and carrying out winding operation on a winding machine to obtain a rope core yarn drum;
step seven: weaving: the rope sheath strands of the first rope sheath (101) are combined with the rope core strands of the first rope core (102) to form the first rope (1) on a high-speed braiding machine, after the rope core strands of the first rope core (102) are braided, the rope core strands of the first rope core (102) are transited to the rope core strands of the second rope core (202), at the moment, the braiding machine gear ratio is adjusted, so that the braiding pitch of the rope sheath strands of the first rope sheath (101) is increased, the braiding density of the rope sheath strands is loosened, the rope sheath strands of the first rope sheath (101) are changed into the rope sheath strands of the second rope sheath (201), and after the braiding of the rope sheath strands of the second rope sheath (201) combined with the rope core strands of the second rope core (202) is completed, the braiding process is finished.
2. A variable diameter endless safety line as claimed in claim 1, wherein: the single strand of the first rope skin (101) and the single strand of the second rope skin (201) have the same thickness and twist; the pitch of the first rope leather (101) is 15-30mm, and the pitch of the second rope leather (201) is 20-34mm.
3. A variable diameter endless safety line as claimed in claim 2, wherein: the first rope skin (101) is knitted to a greater degree than the second rope skin (201).
4. A variable diameter endless safety line according to claim 3, characterized in that: the first rope leather (101) and the second rope leather (201) are in plain weave 32, plain weave 40 or twill weave 32 and twill weave 40; the specification of the rope skin twisting wire of the first rope skin (101) and the second rope skin (201) is 5 x 230D-3 x 1680D, and the twisting degree is 50-160 twists/m.
5. A variable diameter endless safety line as claimed in claim 1, wherein: the first rope core (102) and the second rope core (202) have the same twisting structure and number, the first twist and the second twist of the twisting wires of the first rope core (102) and the second rope core (202) are the same, and the second twist and the first twist of the twisting wires of the first rope core (102) and the second rope core (202) are the same.
6. A variable diameter endless safety line as claimed in claim 5, wherein: the rope core strand structures of the first rope core (102) and the second rope core (202) are twisted, the strand number is 3 strands of twisted wires, the rope core is manufactured in a primary twisting mode, the primary twisting degree is 120-220 twists/m, and the secondary twisting degree is 100-160 twists/m; the number of the twisted threads of the first rope core (102) and the second rope core (202) is 6-16 strands; the first rope core (102) has a rope core strand gauge of 3*5 x 630D-3 x 10 x 1680D; the second cord (202) has a cord strand gauge of 3 x 4 x 630D-3*8 x 1680D.
7. A variable diameter endless safety line as claimed in claim 6, wherein: the number of yarns in the twist of the second rope core (202) is smaller than the number of yarns in the twist of the first rope core (102).
8. A variable diameter endless safety line as claimed in claim 1, wherein: the first rope leather (101), the second rope leather (201), the first rope core (102) and the second rope core (202) are made of one of terylene, chinlon and aramid fiber.
9. A variable diameter endless safety line as claimed in claim 1, wherein: the diameter specification of the first rope (1) is 7.5-16mm, and the diameter specification of the second rope (2) is 7-15.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110670233B (en) * | 2019-11-05 | 2021-06-04 | 山东鲁普科技有限公司 | Light wear-resistant multifunctional composite power single rope and manufacturing method thereof |
| CN111576063A (en) * | 2020-04-22 | 2020-08-25 | 鲁普耐特集团有限公司 | Emergency rescue rope and manufacturing method thereof |
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|---|---|
| CN110396839A (en) | 2019-11-01 |
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