CN112323246A - Traction rope for electric power construction and preparation method thereof - Google Patents
Traction rope for electric power construction and preparation method thereof Download PDFInfo
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- CN112323246A CN112323246A CN202011040361.0A CN202011040361A CN112323246A CN 112323246 A CN112323246 A CN 112323246A CN 202011040361 A CN202011040361 A CN 202011040361A CN 112323246 A CN112323246 A CN 112323246A
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/06—Braid or lace serving particular purposes
- D04C1/12—Cords, lines, or tows
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/02—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof made from particular materials
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Abstract
The invention discloses a traction rope for electric power construction, which comprises a body, wherein the body comprises an inner core layer and an outer wrapping layer, the inner core layer is a strip rope body formed by weaving 12x3 strands of ultra-high molecular weight polyethylene fibers, the outer wrapping layer is a whole formed by weaving 2x32 strands of ultra-high molecular weight polyethylene fibers and wraps the outer portion of the inner core layer, and an ultraviolet-resistant layer is arranged outside the outer wrapping layer. The invention also discloses a preparation method of the traction rope for electric power construction. The invention can resist fracture.
Description
Technical Field
The invention relates to the technical field of cables, which are mainly used for construction of power transmission and transformation projects and traction of wires and wire racks, in particular to a traction rope for power construction and a preparation method thereof.
Background
At present, among the electric power cable unwrapping wire process, as being mostly wire rope of haulage rope, wire rope has many shortcomings: if the steel wire rope is heavy, the steel wire rope is difficult to carry and unfold and has large traction force; when the steel wire rope is used for field operation, a large number of machines and personnel are needed, and the area of damaged crops is large; the strength of the steel wire rope is not high enough; the steel wire rope has poor production safety, is easy to wear and produce barbs, and threatens the safety of operators; the steel wire rope is difficult to store and maintain, easy to rust and age and high in use cost; the insulation performance of the steel wire rope is extremely poor, and personal casualty accidents occur in the process of power line construction.
However, the construction working conditions of the existing power line construction are more and more complex, and the requirements on the power traction rope are higher and higher. Particularly, the smaller the requirement on the structural elongation of the electric traction rope, the better the electric traction rope, and the ultrahigh molecular weight polyethylene (UHMWPE for short) in the high molecular compound is unbranched linear polyethylene with the molecular weight of more than 150 ten thousand, the heat distortion temperature (0.46MPa) of the linear polyethylene is 85 ℃, the melting point of the linear polyethylene is 130-136 ℃, the linear polyethylene has the characteristics of super-strong wear resistance, self-lubricity, higher strength, stable chemical property and strong ageing resistance, so that how to use the linear polyethylene as the traction rope for electric construction to replace the existing steel wire rope cable is particularly important.
Disclosure of Invention
The invention aims to provide a traction rope for electric power construction, which solves the problems of heavy weight, low strength, poor overall toughness and easy surface fracture in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a haulage rope for electric power construction, includes the body, the body includes inner core layer and outer parcel layer, its characterized in that: the inner core layer is formed by weaving 12x3 strands of ultra-high molecular weight polyethylene fibers to form a strip rope body, the outer wrapping layer is formed by weaving 2x32 strands of ultra-high molecular weight polyethylene fibers to form a whole and wraps the outer portion of the inner core layer, and an anti-ultraviolet layer is arranged outside the outer wrapping layer.
Further, the diameter of the body ranges from 6mm to 32 mm.
Further, the linear density of the body ranges from 20ktex to 570 ktex.
Further, the breaking strength of the body ranges from 35kN to 850 kN.
Furthermore, a flame-retardant layer is arranged outside the outer wrapping layer, and an anti-corrosion coating is arranged between the flame-retardant layer and the outer wrapping layer.
Furthermore, a plurality of soft steel wires are inserted in the weaving process of the ultra-high molecular weight polyethylene fiber of the inner core layer.
The invention also discloses a preparation method of the traction rope for electric power construction, which is characterized by specifically comprising a body, wherein the body comprises the following steps:
s1) first, the production process steps of the inner core layer:
s1-1) firstly, carrying out quality detection on the raw material ultra-high molecular weight polyethylene fiber, and entering the next step after meeting the requirements;
s1-2) rope yarn manufacturing, firstly, selecting a certain number of single ultra-high molecular weight polyethylene fibers for primary twisting to form rope yarn;
s1-3) making strands, namely, re-twisting rope yarns of which the number of strands are determined after primary twisting on a twisting machine with the same tension to form a strand of strands; finally forming a single strand;
s1-4) strand making, namely, taking the single strand obtained in the step S1-3) and then carrying out secondary twisting on a twisting machine with the same tension to finally form 3 strands of strands;
s1-5) soaking resin, and then soaking the strand obtained in the step S1-4) in the resin for 2-5 hours;
s1-6) weaving an inner core layer, and finally obtaining 12 strands of the strands soaked in the S1-4) to weave the strands into the inner core layer for later use;
s2) and then the production process steps of the outer wrapping layer:
s2-1) firstly, carrying out quality detection on the raw material ultra-high molecular weight polyethylene fiber, and entering the next step after meeting the requirements;
s2-2) rope yarn manufacturing, firstly, selecting a certain number of single ultra-high molecular weight polyethylene fibers for primary twisting to form rope yarn;
s2-3) making strands, namely, re-twisting rope yarns of which the number of strands are determined after primary twisting on a twisting machine with the same tension to form strands;
s2-4) weaving a rope, finally obtaining the rope strand in the step S2-3), weaving the rope strand outside the inner core layer for one time to form an outer wrapping layer, and finally forming a finished product rope;
s3), finally, detecting the fracture resistance of the product, wherein the packaging treatment is carried out after the fracture resistance is detected to meet the requirement, and the product does not meet the factory return treatment.
Further, when the outer wrapping layer is woven, the high molecular weight polyethylene fibers on the outer wrapping layer are inserted into the inner core layer.
The traction rope for electric power construction and the preparation method thereof have the following performance advantages: 1. the finished product is prepared by adopting the ultra-high molecular weight polyethylene fiber as a whole, the whole weight is lighter and the strength is higher than that of the existing rope adopting a steel wire, and meanwhile, the lowest breaking strength is 1.3 times that of the product made of the same material and the same specification; 2. meanwhile, an ultraviolet-resistant layer is added, so that the paint has excellent environmental adaptability: acid and alkali resistance and ultraviolet radiation resistance, and can be normally operated at the temperature of between 70 ℃ below zero and 80 ℃; 3. has good safety performance: the rope has the two-time fracture functions of outer layer fracture and inner layer fracture by adopting the two-time circulation weaving method of one-time core rope weaving and one-time outer layer weaving, and finally the integral strength is improved.
Drawings
Fig. 1 is a schematic structural view of a traction rope for electric power construction in embodiment 1;
fig. 2 is a schematic structural view of a traction rope for electric power construction in embodiment 2.
In the figure: the coating comprises an inner core layer 1, an outer wrapping layer 2, a flame retardant layer 3, an anticorrosive coating 4 and an ultraviolet resistant layer 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1, the embodiment provides a traction rope for electric power construction, which includes a body, the body includes an inner core layer 1 and an outer wrapping layer 2, the inner core layer 1 is formed by weaving 12x3 strands of ultra-high molecular weight polyethylene fibers to form a strip rope body, the outer wrapping layer 2 is formed by weaving 2x32 strands of ultra-high molecular weight polyethylene fibers to form a whole and wraps the inner core layer 1, and an ultraviolet-resistant layer 5 is disposed outside the outer wrapping layer 2.
Further, the diameter of the body ranges from 6mm to 32 mm.
Further, the linear density of the body ranges from 20ktex to 570 ktex.
Further, the breaking strength of the body ranges from 35kN to 850 kN.
Further, a flame-retardant layer 3 is arranged outside the outer wrapping layer 2, and an anticorrosive coating 4 is arranged between the flame-retardant layer 3 and the outer wrapping layer 2.
Furthermore, during the weaving process of the ultra-high molecular weight polyethylene fiber of the inner core layer 1, a plurality of soft steel wires are inserted.
The embodiment also discloses a preparation method of the traction rope for electric power construction, which is characterized by specifically comprising a body, wherein the body comprises the following steps:
s1) first, the production process of the inner core layer 1 comprises:
s1-1) firstly, carrying out quality detection on the raw material ultra-high molecular weight polyethylene fiber, and entering the next step after meeting the requirements;
s1-2) rope yarn manufacturing, firstly, selecting a certain number of single ultra-high molecular weight polyethylene fibers for primary twisting to form rope yarn;
s1-3) making strands, namely, re-twisting rope yarns of which the number of strands are determined after primary twisting on a twisting machine with the same tension to form a strand of strands; finally forming a single strand;
s1-4) strand making, namely, taking the single strand obtained in the step S1-3) and then carrying out secondary twisting on a twisting machine with the same tension to finally form 3 strands of strands;
s1-5) soaking resin, and then soaking the strand obtained in the step S1-4) in the resin for 2-5 hours; this example takes 3.5 hours;
s1-6) weaving the inner core layer 1, finally obtaining the strand soaked in the S1-4), weaving into 12 strands, and finally forming the inner core layer 1 for later use;
s2) and then the production process steps of the outer casing 2:
s2-1) firstly, carrying out quality detection on the raw material ultra-high molecular weight polyethylene fiber, and entering the next step after meeting the requirements;
s2-2) rope yarn manufacturing, firstly, selecting a certain number of single ultra-high molecular weight polyethylene fibers for primary twisting to form rope yarn;
s2-3) making strands, namely, re-twisting rope yarns of which the number of strands are determined after primary twisting on a twisting machine with the same tension to form strands;
s2-4) weaving a rope, finally obtaining the rope strand in the step S2-3), weaving the rope strand outside the inner core layer 1 for one time to form an outer wrapping layer 2, and finally forming a finished product rope;
s3), finally, detecting the fracture resistance of the product, wherein the packaging treatment is carried out after the fracture resistance is detected to meet the requirement, and the product does not meet the factory return treatment.
Further, when the outer wrapping layer 2 is woven, high molecular weight polyethylene fibers on the outer wrapping layer 2 are inserted into the inner core layer 1.
The experimental certification is as follows: the above structure of the present embodiment has the following performance advantages: 1. the finished product is prepared by adopting the ultra-high molecular weight polyethylene fiber as a whole, the whole weight is lighter and the strength is higher than that of the existing rope adopting a steel wire, and meanwhile, the lowest breaking strength is 1.3 times that of the product made of the same material and the same specification; 2. meanwhile, an ultraviolet-resistant layer is added, so that the paint has excellent environmental adaptability: acid and alkali resistance and ultraviolet radiation resistance, and can be normally operated at the temperature of between 70 ℃ below zero and 80 ℃; 3. has good safety performance: the rope has the two-time fracture functions of outer layer fracture and inner layer fracture by adopting the two-time circulation weaving method of one-time core rope weaving and one-time outer layer weaving, so that the integral strength is improved.
Example 2:
referring to fig. 2, the present embodiment provides a hauling rope for electric power construction, wherein the diameter of the body is 30 mm.
Further, the linear density of the body is 400 ktex.
Further, the breaking strength of the body is 300 kN.
Further, a flame-retardant layer 3 is arranged outside the outer wrapping layer 2, and an anticorrosive coating 4 is arranged between the flame-retardant layer 3 and the outer wrapping layer 2.
Furthermore, during the weaving process of the ultra-high molecular weight polyethylene fiber of the inner core layer 1, a plurality of soft steel wires are inserted.
Example 3:
the embodiment provides a traction rope for electric power construction, and the diameter of the body is 32 mm.
Further, the linear density of the body is 550 ktex.
Further, the breaking strength of the body is 800 kN.
The embodiment also discloses a preparation method of the traction rope for electric power construction, which is characterized by specifically comprising a body, wherein the body comprises the following steps:
s1) first, the production process of the inner core layer 1 comprises:
s1-1) firstly, carrying out quality detection on the raw material ultra-high molecular weight polyethylene fiber, and entering the next step after meeting the requirements;
s1-2) rope yarn manufacturing, firstly, selecting a certain number of single ultra-high molecular weight polyethylene fibers for primary twisting to form rope yarn;
s1-3) making strands, namely, re-twisting rope yarns of which the number of strands are determined after primary twisting on a twisting machine with the same tension to form a strand of strands; finally forming a single strand;
s1-4) strand making, namely, taking the single strand obtained in the step S1-3) and then carrying out secondary twisting on a twisting machine with the same tension to finally form 3 strands of strands;
s1-5) soaking resin, and then soaking the strand obtained in the step S1-4) in the resin for 4 hours; this example takes 3.5 hours;
s1-6) weaving the inner core layer 1, finally obtaining the strand soaked in the S1-4), weaving into 12 strands, and finally forming the inner core layer 1 for later use;
s2) and then the production process steps of the outer casing 2:
s2-1) firstly, carrying out quality detection on the raw material ultra-high molecular weight polyethylene fiber, and entering the next step after meeting the requirements;
s2-2) rope yarn manufacturing, firstly, selecting a certain number of single ultra-high molecular weight polyethylene fibers for primary twisting to form rope yarn;
s2-3) making strands, namely, re-twisting rope yarns of which the number of strands are determined after primary twisting on a twisting machine with the same tension to form strands;
s2-4) weaving a rope, finally obtaining the rope strand in the step S2-3), weaving the rope strand outside the inner core layer 1 for one time to form an outer wrapping layer 2, and finally forming a finished product rope;
s3), finally, detecting the fracture resistance of the product, wherein the packaging treatment is carried out after the fracture resistance is detected to meet the requirement, and the product does not meet the factory return treatment.
Further, when the outer wrapping layer 2 is woven, high molecular weight polyethylene fibers on the outer wrapping layer 2 are inserted into the inner core layer 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a haulage rope for electric power construction, includes the body, the body includes inner core layer (1) and outer parcel layer (2), its characterized in that: the rope is characterized in that the inner core layer (1) is formed by weaving 12x3 strands of ultra-high molecular weight polyethylene fibers into a strip rope body, the outer wrapping layer (2) is formed by weaving 2x32 strands of ultra-high molecular weight polyethylene fibers into a whole and wraps the inner core layer (1), and an ultraviolet-resistant layer (5) is arranged outside the outer wrapping layer (2).
2. The pulling rope for electric power construction as claimed in claim 1, wherein: the diameter of the body ranges from 6mm to 32 mm.
3. The pulling rope for electric power construction as claimed in claim 2, wherein: the linear density of the body is in the range of 20ktex to 570 ktex.
4. The pulling rope for electric power construction as claimed in claim 3, wherein: the breaking strength of the body is in the range of 35kN-850 kN.
5. The pulling rope for electric power construction as claimed in claim 4, wherein: the flame-retardant coating is characterized in that a flame-retardant layer (3) is arranged outside the outer wrapping layer (2), and an anticorrosive coating (4) is arranged between the flame-retardant layer (3) and the outer wrapping layer (2).
6. The pulling rope for electric power construction as claimed in claim 5, wherein: during the weaving process of the ultra-high molecular weight polyethylene fiber of the inner core layer (1), a plurality of soft steel wires are inserted.
7. The preparation method of the traction rope for electric power construction is characterized by specifically comprising a body, wherein the body comprises the following steps:
s1) first, the production process steps of the inner core layer (1) are as follows:
s1-1) firstly, carrying out quality detection on the raw material ultra-high molecular weight polyethylene fiber, and entering the next step after meeting the requirements;
s1-2) rope yarn manufacturing, firstly, selecting a certain number of single ultra-high molecular weight polyethylene fibers for primary twisting to form rope yarn;
s1-3) making strands, namely, re-twisting rope yarns of which the number of strands are determined after primary twisting on a twisting machine with the same tension to form a strand of strands; finally forming a single strand;
s1-4) strand making, namely, taking the single strand obtained in the step S1-3) and then carrying out secondary twisting on a twisting machine with the same tension to finally form 3 strands of strands;
s1-5) soaking resin, and then soaking the strand obtained in the step S1-4) in the resin for 2-5 hours;
s1-6) weaving the inner core layer (1), finally obtaining the strand soaked in the step S1-4), weaving into 12 strands, and finally forming the inner core layer (1) for later use;
s2) and then the production process steps of the outer wrapping layer (2):
s2-1) firstly, carrying out quality detection on the raw material ultra-high molecular weight polyethylene fiber, and entering the next step after meeting the requirements;
s2-2) rope yarn manufacturing, firstly, selecting a certain number of single ultra-high molecular weight polyethylene fibers for primary twisting to form rope yarn;
s2-3) making strands, namely, re-twisting rope yarns of which the number of strands are determined after primary twisting on a twisting machine with the same tension to form strands;
s2-4) rope weaving, finally obtaining the rope strands in the step S2-3), weaving the rope strands outside the inner core layer (1) for one time to form an outer wrapping layer (2), and finally forming a finished product rope;
s3), finally, detecting the fracture resistance of the product, wherein the packaging treatment is carried out after the fracture resistance is detected to meet the requirement, and the product does not meet the factory return treatment.
8. The preparation method of the traction rope for electric power construction as claimed in claim 7, wherein: when the outer wrapping layer (2) is woven, high molecular weight polyethylene fibers on the outer wrapping layer (2) are inserted into the inner core layer (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011040361.0A CN112323246A (en) | 2020-09-28 | 2020-09-28 | Traction rope for electric power construction and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011040361.0A CN112323246A (en) | 2020-09-28 | 2020-09-28 | Traction rope for electric power construction and preparation method thereof |
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| CN112323246A true CN112323246A (en) | 2021-02-05 |
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| CN202011040361.0A Pending CN112323246A (en) | 2020-09-28 | 2020-09-28 | Traction rope for electric power construction and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113308917A (en) * | 2021-06-15 | 2021-08-27 | 泰安科鼎特工贸有限公司 | Traction rope for electric power construction and preparation method thereof |
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| CN103741531A (en) * | 2013-12-13 | 2014-04-23 | 南通神龙化纤绳业有限公司 | Method for manufacturing 12-strand mooring rope |
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