CN110219188B - Polyolefin monofilament latex elastic rope and continuous production method thereof - Google Patents
Polyolefin monofilament latex elastic rope and continuous production method thereof Download PDFInfo
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- CN110219188B CN110219188B CN201910591697.7A CN201910591697A CN110219188B CN 110219188 B CN110219188 B CN 110219188B CN 201910591697 A CN201910591697 A CN 201910591697A CN 110219188 B CN110219188 B CN 110219188B
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- 229920000098 polyolefin Polymers 0.000 title claims abstract description 232
- 239000004816 latex Substances 0.000 title claims abstract description 216
- 229920000126 latex Polymers 0.000 title claims abstract description 216
- 238000010924 continuous production Methods 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 title claims description 22
- 238000009954 braiding Methods 0.000 claims abstract description 31
- 238000009940 knitting Methods 0.000 claims abstract description 28
- 238000009941 weaving Methods 0.000 claims description 13
- 238000005520 cutting process Methods 0.000 claims description 10
- 239000002390 adhesive tape Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 7
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 239000010985 leather Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009958 sewing Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- D07B1/00—Constructional features of ropes or cables
- D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/18—Grommets
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B5/00—Making ropes or cables from special materials or of particular form
- D07B5/005—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties
-
- 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
- D07B2201/1012—Rope or cable structures characterised by their internal structure
- D07B2201/102—Rope or cable structures characterised by their internal structure including a core
-
- 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
- D07B2201/1024—Structures that change the cross-sectional shape
-
- 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
- D07B2201/1096—Rope or cable structures braided
-
- 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
- D07B2201/2047—Cores
- D07B2201/2052—Cores characterised by their structure
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- 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
- D07B2201/2047—Cores
- D07B2201/2066—Cores 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
- D07B2201/2083—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
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2092—Jackets or coverings 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
- D07B2201/2095—Auxiliary components, e.g. electric conductors or light guides
-
- 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
- D07B2205/201—Polyolefins
- D07B2205/2014—High performance polyolefins, e.g. Dyneema or Spectra
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- 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
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- 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
- D07B2401/2005—Elongation or elasticity
-
- 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
- D07B2401/207—Reducing wear internally
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2038—Agriculture, forestry and fishery
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ropes Or Cables (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Woven Fabrics (AREA)
Abstract
The application discloses a polyolefin monofilament latex elastic rope, which comprises a polyolefin monofilament latex elastic rope body and eye rings at two ends of the polyolefin monofilament latex elastic rope body, wherein the polyolefin monofilament latex elastic rope body comprises an inner sandwich part and an outer skin part wrapping the inner sandwich part; wherein the inner core comprises a high elongation multifilament braided rope and one or more polyolefin monofilament latex elastic rods disposed thereon at intervals; the outer skin part is formed by braiding polyolefin monofilaments; the eye ring is obtained by knitting an outer skin portion knitted eye formed by knitting polyolefin monofilaments. The polyolefin monofilament latex elastic rope can absorb impact energy, so that a towed person is prevented from being subjected to strong impact force, and the safety of the towed person is protected; the high-extension multifilament braided rope cannot be broken due to the breakage of rope leather, so that the human body is protected from injury; the polyolefin monofilament latex elastic bars arranged on the braided rope at intervals form a continuous inner sandwich part, so that continuous production of the equipment is ensured.
Description
Technical Field
The application belongs to the technical field of fiber rope production, and particularly relates to a polyolefin monofilament latex elastic rope and a continuous production method thereof.
Background
Polyolefin monofilament hollow ropes are always used as traction ropes in the fields of fishery, water skiing, and the like, and the ropes belong to single combined ropes, have poor elasticity, strong rigidity and insufficient buffering capacity when stressed, are very easy to impact a person to be towed during instant traction, so that damage to people or objects occurs; meanwhile, when the rope bears ultrahigh load, the rope can be broken and rebounded instantly, and the damage and death to a user are extremely easy to cause.
Disclosure of Invention
In order to solve at least one of the technical problems in the prior art mentioned above, an embodiment of the present application discloses a polyolefin monofilament latex elastic rope, the elastic rope including a polyolefin monofilament latex elastic rope body and eye rings at both ends of the polyolefin monofilament latex elastic rope body, the polyolefin monofilament latex elastic rope body including an inner core part and an outer skin part wrapping the inner core part; wherein:
the inner core comprises a high elongation multifilament braided rope and one or more polyolefin monofilament latex elastic rods arranged thereon at intervals;
the outer skin part is formed by braiding polyolefin monofilaments;
the eye ring is obtained by knitting an outer skin portion knitted eye formed by knitting polyolefin monofilaments.
Some embodiments disclose a polyolefin monofilament latex elastic cord, a high elongation multifilament braided cord is tightly braided from half of the forward twisted strands and half of the reverse twisted strands crossing.
Some embodiments disclose a polyolefin monofilament latex elastic cord, a high elongation multifilament braided cord braided from ultra high molecular weight polyethylene fibers or polyamide fibers, the braided structure being 12-braid or 16-braid.
Some embodiments disclose a polyolefin monofilament latex elastic cord, the polyolefin monofilament latex elastic rod comprising:
the two ends of the latex elastic rod are conical;
the outer skin is obtained by knitting polyolefin monofilaments on a latex elastic rod.
Some embodiments disclose a polyolefin monofilament latex elastic cord, wherein the diameter of the polyolefin monofilament latex elastic rod is set to be not less than 1.5 times the diameter of the polyolefin monofilament latex elastic cord.
Some embodiments disclose a polyolefin monofilament latex elastic cord wherein the length of the tapered end of the latex elastic rod is set to 1.5-3 times the diameter of the latex elastic rod.
Some embodiments disclose a polyolefin monofilament latex elastic cord, the polyolefin monofilament latex elastic bar comprising a cylindrical body and tapered ends disposed at both ends of the cylindrical body, the cylindrical body comprising:
the latex core body consists of a plurality of latex ribbons;
a sheath woven from polyolefin monofilaments over the latex core;
the conical end part is obtained by conical treatment of a cylindrical body, and the length of the conical end part is 1.5-3 times of the diameter of the cylindrical body.
Some embodiments disclose a polyolefin monofilament latex elastic cord wherein the distance between the plurality of polyolefin monofilament latex elastic bars is set equal to the length of the polyolefin monofilament latex elastic bars.
Some embodiments disclose a polyolefin monofilament latex elastic cord having a polyolefin monofilament latex elastic rod secured to a high elongation multifilament braided cord.
In another aspect, some embodiments disclose a method of continuously producing a polyolefin monofilament latex elastic cord comprising:
(1) Taking a set number of latex bands as a sandwich, and braiding polyolefin filaments with certain fineness on the sandwich to form a polyolefin filament sheath, so as to obtain a continuous polyolefin filament latex elastic rod;
(2) Cutting off the continuous polyolefin monofilament latex elastic rod according to a set length to obtain a polyolefin monofilament latex elastic rod body, carrying out conical treatment on two ends of the body, and fixing the ends by using an adhesive tape to obtain the polyolefin monofilament latex elastic rod;
(3) Twisting a set number of multifilaments into half forward strands and half reverse strands, wherein reverse twisting strands are used for forward braiding, and forward twisting strands are used for reverse braiding, so that a high-elongation multifilament braided rope is braided;
(4) The polyolefin monofilament latex elastic bars are fixed on the high-extension multifilament braided rope at intervals to obtain an inner sandwich part of the polyolefin monofilament latex elastic rope body;
(5) Twisting polyolefin monofilaments to obtain polyolefin monofilament strands, taking the polyolefin monofilament strands as outer skins, placing an inner sandwich part in an inner core, and knitting to form a continuous polyolefin monofilament latex elastic rope, wherein the knitting pitch is adjusted according to the change of the diameter of the inner sandwich part in the knitting process;
(6) Cutting the continuous polyolefin monofilament latex elastic rope at intervals of the polyolefin monofilament latex elastic rods according to the set length, and knitting eyes at the cutting positions by using a secondary inserting method to obtain eye rings.
The polyolefin monofilament latex elastic rope disclosed by the embodiment of the application adopts the polyolefin monofilament latex elastic rod as a buffer part, and the rope absorbs impact energy when being stressed instantaneously, so that a person to be towed is prevented from being subjected to strong impact force, and the safety of the person to be towed is protected; the high-elongation multifilament braided rope is used as a protection part for preventing the rope from breaking and rebounding, so that only the rope skin breaks when the rope bears an excessive load, and the high-elongation multifilament braided rope cannot break due to the high extensibility of the rope, thereby protecting the human body from injury; the high-strength polyolefin monofilament strands are adopted to weave the outer skin of the rope, so that the traction force applied to the rope can be borne, the traction function of the rope is realized, the inner core assembly is protected from abrasion, and the service life of the rope is prolonged; in the production process of the rope, the polyolefin monofilament latex elastic rods arranged on the knitting rope at intervals form a continuous inner sandwich part, and the continuous production of equipment is ensured without stopping due to the change of the diameter of the sandwich part and the change of the pitch when the rope is knitted.
Drawings
FIG. 1 example 1A schematic structural view of a polyolefin monofilament latex elastic rope
FIG. 2 example 2 schematic structural view of polyolefin monofilament latex elastic rod
FIG. 3 example 3 schematic view of an inner core of a polyolefin monofilament latex elastic cord
FIG. 4 example 4 schematic view of continuous polyolefin monofilament latex elastic cord
FIG. 5 example 5 schematic view of continuous polyolefin monofilament latex elastic cord
The components in the drawings of the embodiments are not drawn to the same scale in order to highlight the features thereof, and the proportional relationship of the dimensions of the components is subject to the literal content of the specification.
Detailed Description
The word "embodiment" as used herein does not necessarily mean that any embodiment described as "exemplary" is preferred or advantageous over other embodiments. Performance index testing in this method example unless otherwise specified, conventional testing methods in the art were employed. It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure.
Unless otherwise defined, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; other test methods and techniques not specifically identified herein are those commonly employed by those of ordinary skill in the art.
The terms "substantially" and "about" are used throughout this disclosure to describe small fluctuations. For example, they may refer to less than or equal to ±5%, such as less than or equal to ±2%, such as less than or equal to ±1%, such as less than or equal to ±0.5%, such as less than or equal to ±0.2%, such as less than or equal to ±0.1%, such as less than or equal to ±0.05%. The forward direction referred to herein may also be generally referred to as the Z-direction, and the reverse direction may also be referred to as the S-direction. The term "plurality" as used herein generally refers to two or more values. The diameter of the polyolefin monofilament latex elastic cord referred to herein generally refers to the diameter of the polyolefin monofilament latex elastic cord at the spacer.
In the present disclosure, including the claims, all conjunctions such as "comprising," including, "" carrying, "" having, "" containing, "" involving, "" containing, "and the like are to be construed as open-ended, i.e., to mean" including, but not limited to. Only the conjunctions "consisting of … …" and "consisting of … …" are closed conjunctions. Under the condition of no conflict, the technical features disclosed in the embodiments of the present application may be combined with each other, and the obtained technical solution belongs to the disclosure of the present application.
In some embodiments, a polyolefin monofilament latex elastic cord includes a polyolefin monofilament latex elastic cord body including an inner core portion and an outer skin portion wrapped around the inner core portion, and eye rings at both ends of the polyolefin monofilament latex elastic cord body; wherein the inner core comprises a high-elongation multifilament braided rope and a plurality of polyolefin monofilament latex elastic rods arranged on the high-elongation multifilament braided rope at intervals, the sheath part is braided by polyolefin monofilaments, and the eye ring is obtained by braiding the sheath part braided by polyolefin monofilaments. The eye rings at the two ends of the polyolefin monofilament latex elastic rope are usually obtained by braiding eyes on the end of the body, so that the eye rings are firmly connected with the body.
As an alternative embodiment, the eye ring is obtained by braiding eyes at two ends of the rope by adopting a secondary splicing method, and the length of the eye ring is not less than 1 inch.
In some embodiments, the high elongation multifilament braided rope of polyolefin monofilament latex elastic rope is tightly braided from half the number of forward twisted strands and half the number of reverse twisted strands crossing.
As an alternative embodiment, the high elongation multifilament braided rope is made of ultra high molecular weight polyethylene fibers or polyamide fibers with a braided structure of 12 or 16 twill.
As an alternative embodiment, a plurality of multifilaments are generally selected according to breaking force of the rope cover, forward and reverse twisting is performed on a twisting machine respectively to obtain half forward strands and half reverse strands, and then the ropes are woven on a braiding machine, wherein the fineness of each multifilament is not less than 5000D, the forward twisting strands are used for forward braiding, and the forward twisting strands are used for reverse braiding, so that the high-extension multifilament braided rope is obtained.
As an alternative embodiment, the breaking force of the high-elongation multifilament braided rope is determined to be not less than 60% of the breaking force of the polyolefin monofilament latex elastic rope according to the breaking force of the polyolefin monofilament latex elastic rope, and the type and the number of multifilaments are further selected.
In some embodiments, the polyolefin monofilament latex stretch rod of the polyolefin monofilament latex stretch rope comprises a latex stretch rod with tapered ends and a sheath woven on the latex stretch rod from polyolefin monofilaments. As an alternative embodiment, the diameter of the polyolefin monofilament latex elastic rod is set to be not less than 1.5 times the diameter of the polyolefin monofilament latex elastic cord.
As an alternative embodiment, the length of the conical end of the latex elastic rod is set to be 1.5-3 times of the diameter of the latex elastic rod.
As an alternative embodiment, the conical ends at both ends of the latex elastic rod are provided with the same conical shape and the same shape and length.
In the same polyolefin monofilament latex elastic cord, the lengths of the plurality of latex elastic rods may be set to be the same or may be set to be different, and as an alternative embodiment, the lengths of the plurality of latex elastic rods are set to be the same.
In the same polyolefin monofilament latex elastic rope, the diameters of the plurality of latex elastic rods can be set to be the same or different. As an alternative embodiment, the diameters of the plurality of latex elastic rods are set to be the same.
In some embodiments, the polyolefin monofilament latex elastic rod of the polyolefin monofilament latex elastic rope comprises a cylindrical body and tapered end parts arranged at two ends of the cylindrical body, wherein the cylindrical body comprises a latex core body composed of a plurality of latex filaments and a sheath woven on the latex core body by polyolefin monofilaments, and the tapered end parts are obtained by tapering the cylindrical body.
As an alternative embodiment, the length of the tapered end is set to 1.5 to 3 times the diameter of the cylindrical body.
As an alternative embodiment, the conical ends are provided with the same conical shape, with the same shape and length.
In the same polyolefin monofilament latex elastic cord, the lengths of the plurality of polyolefin monofilament latex elastic rods may be set to be the same or may be set to be different, and as an alternative embodiment, the lengths of the plurality of polyolefin monofilament latex elastic rods may be set to be the same.
In the same polyolefin monofilament latex elastic cord, the diameters of the plurality of polyolefin monofilament latex elastic bars may be set to be the same or may be set to be different. As an alternative embodiment, the diameters of the plurality of polyolefin monofilament latex elastic rods are set to be the same.
As an alternative embodiment, the polyolefin monofilament latex elastic rod is entirely in the form of a shuttle.
In some embodiments, the polyolefin monofilament latex elastic rods of the polyolefin monofilament latex elastic cord are fixed to the high-elongation multifilament braided rope to obtain the inner sandwich, and the polyolefin monofilament latex elastic rods are usually arranged in a plurality of the polyolefin monofilament latex elastic rods and are distributed at intervals on the high-elongation multifilament braided rope, and in order to fix the arrangement positions, the polyolefin monofilament latex rods are usually fixed to the high-elongation multifilament braided rope, for example, by means of tape bonding or sewing with sewing threads.
As an alternative embodiment, the spacing distance between adjacent polyolefin monofilament latex elastic rods is set to be equal to the length of the polyolefin monofilament latex elastic rods. Alternatively, the spacing distances between adjacent polyolefin monofilament latex elastic rods are set to be equal.
In some embodiments, the body of the polyolefin monofilament latex elastic cord comprises an inner core portion and an outer skin portion wrapped around the inner core portion, the inner core portion being a high elongation multifilament braided cord and a polyolefin monofilament latex elastic rod thereon spaced apart, the outer skin portion being braided from polyolefin filaments.
As an alternative embodiment, the first pitch of the polyolefin filaments woven on the polyolefin filament latex elastic rod is A, and the second pitch of the polyolefin filaments woven on the high elongation multifilament woven rope is B, and typically B is equal to or greater than 2 XA.
As an alternative embodiment, the sheath portion obtained by braiding the polyolefin monofilament is a 16-braid structure.
In another aspect, some embodiments disclose a method of continuously producing a polyolefin monofilament latex elastic cord comprising:
(1) Taking a set number of latex bands as a sandwich, and braiding polyolefin filaments with certain fineness on the sandwich to form a polyolefin filament sheath, so as to obtain a continuous polyolefin filament latex elastic rod;
(2) Cutting off the continuous polyolefin monofilament latex elastic rod according to a set length to obtain a polyolefin monofilament latex elastic rod body, carrying out conical treatment on two ends of the body, and fixing the ends by using an adhesive tape to obtain the polyolefin monofilament latex elastic rod;
(3) Twisting a set number of multifilaments into half forward strands and half reverse strands, wherein reverse twisting strands are used for forward braiding, and forward twisting strands are used for reverse braiding, so that a high-elongation multifilament braided rope is braided;
(4) The polyolefin monofilament latex elastic bars are fixed on the high-extension multifilament braided rope at intervals to obtain an inner sandwich part of the polyolefin monofilament latex elastic rope body;
(5) Twisting polyolefin monofilaments to obtain polyolefin monofilament strands, taking the polyolefin monofilament strands as outer skins, placing an inner sandwich part in an inner core, and knitting to form a continuous polyolefin monofilament latex elastic rope, wherein the knitting pitch is adjusted according to the change of the diameter of the inner sandwich part in the knitting process;
(6) Cutting the continuous polyolefin monofilament latex elastic rope at intervals of the polyolefin monofilament latex elastic rods according to the set length, and knitting eyes at the cutting positions by using a secondary inserting method to obtain eye rings.
Numerous specific details are set forth in the following examples in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In the examples, some methods, means, instruments, devices, etc. well known to those skilled in the art are not described in detail in order to highlight the gist of the present application. The dimensions of the components in the figures are not necessarily to scale in order to emphasize features that may be considered as particular portions or components.
FIG. 1 is a schematic diagram of the structure of a polyolefin monofilament latex elastic rope disclosed in example 1.
In example 1, the polyolefin monofilament latex elastic cord comprises a polyolefin monofilament latex elastic cord body 1 and an eye 2, the eye 2 is obtained by knitting an eye of a cord cover of the polyolefin monofilament latex elastic cord, the polyolefin monofilament latex elastic cord body 1 comprises a plurality of polyolefin monofilament latex elastic bars 11, the adjacent polyolefin monofilament latex elastic bars 11 are arranged at intervals, the outer cover of the spacer 10 is formed by knitting a polyolefin monofilament on a high-elongation multifilament knitted cord, and the outer cover of the polyolefin monofilament latex elastic bar 11 is formed by knitting a polyolefin monofilament. The diameter of the polyolefin monofilament latex elastic rope is d 2 The diameter of the polyolefin monofilament latex elastic rod is d 1 。
FIG. 2 is a schematic diagram of the structure of a polyolefin monofilament latex elastic rod disclosed in example 2.
In example 2, the polyolefin monofilament latex elastic force 11 comprises a cylindrical latex core body formed by a plurality of latex monofilaments, the outside of the latex core body is woven with the polyolefin monofilaments to form a sheath, thus obtaining a polyolefin monofilament latex elastic rod, two ends of the polyolefin monofilament latex elastic rod are subjected to tapering treatment, thus obtaining conical end parts 112 at the two ends and a cylindrical body 111 at the middle part, and the conical end part at the left side has the length H 1 The length of the conical end part on the right side is H 2 The length of the cylindrical body 111 of the middle part is H 2 The whole length of the polyolefin monofilament latex elastic rod is H, the diameter of the cylindrical body is D, wherein H 1 ＝2×D，H 1 ＝H 3 。
FIG. 3 is a schematic view of the inner core of the polyolefin monofilament latex elastic cord disclosed in example 3.
In example 3, a plurality of polyolefin monofilament latex elastic rods 11 are arranged on a high-extension multifilament braided rope 12 at intervals, each of the polyolefin monofilament latex elastic rods 11 and the high-extension multifilament braided rope 12 are fixedly connected by a connecting member 3, and a connecting member 13 is sewn by a sewing thread and is arranged in the middle of the polyolefin monofilament latex elastic rod 11; the length of the polyolefin monofilament latex elastic rod 11 is H, and the interval distance between adjacent polyolefin monofilament latex elastic rods 11 is L, wherein h=l.
FIG. 4 is a schematic representation of the continuous polyolefin monofilament latex elastic cord disclosed in example 4.
The continuous polyolefin monofilament latex elastic cord disclosed in example 4 had a diameter of 5/8 inch and a breaking force of 20KN, and was provided with a polyolefin monofilament latex elastic rod having a length of 25m, a length of 2.5m for the polyolefin monofilament latex elastic rod 11, a length of 2m for the polyolefin monofilament latex elastic rod from one end of the cord, a length of 1 inch for the eye 2, and a 16-strand twill weave structure as the sheath of the polyolefin monofilament cord, and was prepared according to the following method:
(1) Taking 22 latex ribbons as a sandwich, taking 1000tex polyolefin monofilaments as skins, and weaving a continuous polyolefin monofilament latex elastic rod with the diameter of 1 inch on a knitting machine;
(2) Cutting off the continuous polyolefin monofilament latex elastic rod to obtain a polyolefin monofilament latex elastic rod body with the length of 2.5m, carrying out conical treatment on the two ends of the body, wherein the length of the conical end is 5cm, and winding the tail end by using an adhesive tape for fixing to obtain the polyolefin monofilament latex elastic rod;
(3) Taking 10000D nylon multifilament with 7.5g/D strength, twisting into 8 forward strands and 8 reverse strands on a twisting machine respectively, performing forward braiding by using reverse twisting strands, performing reverse braiding by using forward twisting strands, and braiding into a 16-braiding twill-braided high-extension multifilament braided rope;
(4) Fixing a plurality of polyolefin monofilament latex elastic rods on a high-extension multifilament braided rope sequentially through an adhesive tape, wherein the distance between the starting end of a first polyolefin monofilament latex elastic rod and the starting end of the high-extension multifilament braided rope is set to be 2.5m (0.5 m is used for braiding eye rings), the tail end of the first polyolefin monofilament latex elastic rod is 23.5m away from the starting end of a second polyolefin monofilament latex elastic rod, and the distance between the two polyolefin monofilament latex elastic rods is 23.5m, so that an inner sandwich part of a continuous polyolefin monofilament latex elastic rope body is obtained;
(5) Taking 30000D polyolefin monofilaments with the strength of 8g/D, respectively twisting the polyolefin monofilaments in the forward direction and the reverse direction on a twisting machine to prepare strands, carrying out forward direction on 8 strands and reverse direction on 8 strands, and pre-weaving the strands on a yarn tube of a braiding machine by using a pre-weaving machine; taking a polyolefin monofilament strand as an outer skin, placing an inner sandwich part in an inner core, starting to weave into a rope, setting the pitch to be 9cm, changing the pitch to be 3cm when weaving to a position 10cm away from a polyolefin monofilament latex elastic rod, changing the pitch to be 9cm when weaving to a position 10cm away from the tail end of the polyolefin monofilament latex elastic rod, and continuously weaving by repeating the process to form a continuous polyolefin monofilament latex elastic rope;
(6) Cut off at 26m from the beginning end of the rope, then two ends of the polyolefin monofilament latex elastic rope with the length of 26m are subjected to eye knitting by adopting a secondary splicing method, so as to obtain an eye ring with the length of 1 inch, and the polyolefin monofilament latex elastic rope with the length of 25 m.
FIG. 5 is a schematic representation of the continuous polyolefin monofilament latex elastic cord disclosed in example 5.
The continuous polyolefin monofilament latex elastic cord disclosed in example 5 had a diameter of 3/4 inch, a breaking force of 25KN, three polyolefin monofilament latex elastic bars within a single piece, a length of 30m, a length of 1.5m for the polyolefin monofilament latex elastic bar 11, a distance between the first polyolefin monofilament latex elastic bar and the eye ring of 2.5m, a length of 1.5m for the spacer 10 between adjacent polyolefin monofilament latex elastic bars 11, a length of 1 inch for the eye ring, and a 16-strand twill weave structure for the polyolefin monofilament cord outer skin, and was prepared according to the following method:
(1) Taking 26 latex silk ribbons as a sandwich, taking 1200tex polyolefin monofilaments as skins, and weaving a continuous polyolefin monofilament latex elastic rod with the diameter of 3cm on a knitting machine;
(2) Cutting off the continuous polyolefin monofilament latex elastic rod to obtain a polyolefin monofilament latex elastic rod body with the length of 1.5m, carrying out conical treatment on the two ends of the body, wherein the length of a conical end is 6cm, and winding the tail end by using an adhesive tape to fix the end to obtain the polyolefin monofilament latex elastic rod;
(3) Taking 13000D nylon multifilament with the strength of 7.5g/D, twisting into 8 strands of forward strands and 8 strands of reverse strands on a twisting machine respectively, performing forward braiding by using reverse twisting strands, performing reverse braiding by using forward twisting strands, and braiding into a 16-braiding twill-braided high-elongation multifilament braided rope;
(4) The three polyolefin monofilament latex elastic rods are sequentially fixed on the high-extension multifilament braided rope through adhesive tapes, the distance between the starting end of the first polyolefin monofilament latex elastic rod and the starting end of the high-extension multifilament braided rope is set to be 2.5m (0.5 m is used for braiding eye rings), the interval distance between two adjacent polyolefin monofilament latex elastic rods is set to be 1.5m, the distance between the third polyolefin monofilament latex elastic rod and the fourth polyolefin monofilament latex elastic rod is set to be 23.5m, and the inner sandwich part of the continuous polyolefin monofilament latex elastic rope body is obtained by sequentially fixing;
(5) Taking 40000D polyolefin monofilaments with the strength of 8g/D, respectively twisting the polyolefin monofilaments in the forward direction and the reverse direction on a twisting machine to prepare strands, carrying out forward direction on 8 strands and reverse direction on 8 strands, and pre-weaving the strands on a yarn tube of a braiding machine by using a pre-weaving machine; taking a polyolefin monofilament strand as an outer skin, placing an inner sandwich part in an inner core, starting to weave into a rope, setting the pitch to be 12cm, changing the pitch to be 4cm when weaving to a position 10cm away from a polyolefin monofilament latex elastic rod, changing the pitch to be 12cm when weaving to a position 10cm away from the tail end of the polyolefin monofilament latex elastic rod, and continuously weaving by repeating the process to form a continuous polyolefin monofilament latex elastic rope;
(6) Cut off at 31m from the beginning end of the rope, then two ends of the polyolefin monofilament latex elastic rope with the length of 31m are subjected to eye knitting by adopting a secondary splicing method to obtain eye rings with the length of 1 inch, and the polyolefin monofilament latex elastic rope with the length of 30m is obtained.
The polyolefin monofilament latex elastic rope disclosed by the embodiment of the application adopts the polyolefin monofilament latex elastic rod as a buffer part, and the rope absorbs impact energy when being stressed instantaneously, so that a person to be towed is prevented from being subjected to strong impact force, and the safety of the person to be towed is protected; the high-elongation multifilament braided rope is used as a protection part for preventing the rope from breaking and rebounding, so that only the rope skin breaks when the rope bears an excessive load, and the high-elongation multifilament braided rope cannot break due to the high extensibility of the rope, thereby protecting the human body from injury; the high-strength polyolefin monofilament strands are adopted to weave the outer skin of the rope, so that the traction force applied to the rope can be borne, the traction function of the rope is realized, the inner core assembly is protected from abrasion, and the service life of the rope is prolonged; in the production process of the rope, the polyolefin monofilament latex elastic rods arranged on the knitting rope at intervals form a continuous inner sandwich part, and the continuous production of equipment is ensured without stopping due to the change of the diameter of the sandwich part and the change of the pitch when the rope is knitted.
The technical details disclosed in the technical schemes and embodiments disclosed in the application are only used for illustrating the conception of the application and are not limiting, and all the technical details disclosed in the application which are not creatively changed have the same invention spirit as the application and are within the protection scope of the claims of the application.
Claims (6)
1. The polyolefin monofilament latex elastic rope is characterized by comprising a polyolefin monofilament latex elastic rope body and eye rings at two ends of the polyolefin monofilament latex elastic rope body; wherein,,
the polyolefin monofilament latex elastic rope body comprises an inner sandwich part and an outer skin part wrapping the inner sandwich part;
the inner core comprises a high-elongation multifilament braided rope and a plurality of polyolefin monofilament latex elastic rods arranged on the high-elongation multifilament braided rope at intervals; the high-elongation multifilament braided rope is formed by tightly braiding half forward twisted strands and half reverse twisted strands in a crossing manner;
the sheath part is formed by weaving polyolefin monofilaments;
the eye ring is formed by knitting an outer skin part formed by knitting polyolefin monofilaments;
wherein, polyolefin monofilament latex elastic rod includes cylindrical body and sets up the toper tip at cylindrical body both ends, cylindrical body includes:
the latex core body consists of a plurality of latex ribbons;
a sheath woven from polyolefin monofilaments over the latex core;
the conical end part is obtained by conical treatment of the cylindrical body, and the length of the conical end part is 1.5-3 times of the diameter of the cylindrical body.
2. The polyolefin monofilament latex elastic cord according to claim 1, wherein said high-elongation multifilament braided rope is braided from ultra-high molecular weight polyethylene fibers or polyamide fibers, the braided structure being 12-plaited diagonal or 16-plaited diagonal.
3. The polyolefin monofilament latex elastic cord according to claim 1, wherein the diameter of said polyolefin monofilament latex elastic rod is set to be not less than 1.5 times the diameter of said polyolefin monofilament latex elastic cord.
4. The polyolefin monofilament latex elastic cord according to claim 1, wherein the distance between the adjacently disposed polyolefin monofilament latex elastic rods is set to be equal to the length of the polyolefin monofilament latex elastic rods.
5. The polyolefin monofilament latex elastic cord according to claim 1, wherein said polyolefin monofilament latex elastic rod is secured to said high extension multifilament braided rope.
6. The continuous production method of a polyolefin monofilament latex elastic cord according to claim 1, comprising:
(1) Forming a latex core body by using a set number of latex ribbons, and braiding polyolefin filaments with certain fineness on the latex core body to form a polyolefin filament sheath, so as to obtain a continuous polyolefin filament latex elastic rod;
(2) Cutting off the continuous polyolefin monofilament latex elastic rod according to a set length to obtain a polyolefin monofilament latex elastic rod body, carrying out conical treatment on two ends of the body, and fixing the ends by using an adhesive tape to obtain the polyolefin monofilament latex elastic rod;
(3) Twisting a set number of multifilaments into half forward strands and half reverse strands, wherein reverse twisting strands are used for forward braiding, and forward twisting strands are used for reverse braiding, so that a high-elongation multifilament braided rope is braided;
(4) The polyolefin monofilament latex elastic bars are fixed on the high-extension multifilament braided rope at intervals to obtain an inner sandwich part of the polyolefin monofilament latex elastic rope body;
(5) Twisting polyolefin monofilaments to obtain polyolefin monofilament strands, taking the polyolefin monofilament strands as outer skins, placing an inner sandwich part in an inner core, and knitting to form a continuous polyolefin monofilament latex elastic rope, wherein the knitting pitch is adjusted according to the change of the diameter of the inner sandwich part in the knitting process;
(6) Cutting the continuous polyolefin monofilament latex elastic rope at intervals of the polyolefin monofilament latex elastic rods according to a set length, and knitting the cut parts by a secondary inserting method to obtain eye rings.
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| CN112941941B (en) * | 2021-01-27 | 2022-03-08 | 山东非金属材料研究所 | High-strength fiber protection bungee jumping rope |
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| CN202688750U (en) * | 2012-06-04 | 2013-01-23 | 巨力索具股份有限公司 | Wear-resistant hauling rope |
| CN103334224B (en) * | 2013-07-09 | 2016-09-14 | 青岛亿和海丽安防科技有限公司 | The manufacture method of double-braided-rope annular hole |
| CN105304172A (en) * | 2015-10-28 | 2016-02-03 | 合肥安奎思成套设备有限公司 | Anti-deformation cable |
| CN105648808A (en) * | 2016-04-05 | 2016-06-08 | 如皋市顺源电力绳网带织造有限公司 | Production technology for Dyneema pulling rope |
| CN207891635U (en) * | 2017-11-07 | 2018-09-21 | 山东鲁普科技有限公司 | A kind of double sennit ropes of waterproof antiwear |
| CN210766142U (en) * | 2019-07-02 | 2020-06-16 | 山东鲁普科技有限公司 | Polyolefin monofilament latex elastic rope |
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