CN112323247A - Cable for elevator hanging box and preparation method thereof - Google Patents
Cable for elevator hanging box and preparation method thereof Download PDFInfo
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- CN112323247A CN112323247A CN202011042023.0A CN202011042023A CN112323247A CN 112323247 A CN112323247 A CN 112323247A CN 202011042023 A CN202011042023 A CN 202011042023A CN 112323247 A CN112323247 A CN 112323247A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000010410 layer Substances 0.000 claims abstract description 83
- 239000004519 grease Substances 0.000 claims abstract description 57
- 239000012792 core layer Substances 0.000 claims abstract description 51
- 238000009941 weaving Methods 0.000 claims abstract description 50
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 230000001050 lubricating effect Effects 0.000 claims abstract description 35
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims abstract description 23
- 239000000835 fiber Substances 0.000 claims abstract description 23
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims abstract description 23
- 239000004760 aramid Substances 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 238000002791 soaking Methods 0.000 claims description 15
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 13
- 230000001954 sterilising effect Effects 0.000 claims description 13
- 238000004659 sterilization and disinfection Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 8
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000000047 product Substances 0.000 description 12
- 230000002265 prevention Effects 0.000 description 9
- 230000002968 anti-fracture Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000013556 antirust agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000003206 sterilizing agent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
-
- 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
-
- 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
- D07B1/141—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising liquid, pasty or powder agents, e.g. lubricants or anti-corrosive oils or greases
- D07B1/142—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising liquid, pasty or powder agents, e.g. lubricants or anti-corrosive oils or greases for ropes or rope components built-up from fibrous or filamentary material
-
- 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
- D07B2201/2075—Fillers
- D07B2201/2076—Fillers having a lubricant function
-
- 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
- D07B2501/2007—Elevators
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ropes Or Cables (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a mooring rope for an elevator hanging box, which comprises a body, wherein the body comprises an inner core layer and an outer wrapping layer, the inner core layer and the outer wrapping layer are soaked in solid-liquid mixed lubricating grease, the inner core layer is a strip rope body formed by weaving 12x12 strands of modified aramid fibers, the outer wrapping layer is formed by mixing and weaving 2x32 strands of ultra-high molecular weight polyethylene fibers and modified aramid fibers and wrapping the modified aramid fibers outside the inner core layer to finally form the body with the whole diameter range of 8-36 mm, the linear density range of 60-1200 ktex and the fracture strength range of 45kN-1000 kN. The invention also discloses a preparation method of the mooring rope for the elevator hanging box. The invention improves the strength, reduces the weight and improves the wear resistance.
Description
Technical Field
The invention relates to the technical field of a rope, which is mainly used for traction of an elevator and is an optimal substitute of an elevator steel wire traction rope, in particular to a rope for an elevator hanging box and a preparation method thereof.
Background
The mooring rope has the performances of tensile resistance, impact resistance, abrasion resistance, flexibility, light softness and the like, and is used for tying a plurality of strands of ropes of the ship. The steel is required to have the properties of tensile resistance, impact resistance, abrasion resistance, flexibility, light flexibility and the like. Therefore, the present invention has been widely applied to many fields, such as elevators, and one of them is a cable for an elevator car for lifting the elevator car, but the existing cable for an elevator car generally directly uses a steel wire rope, but the steel wire rope has heavy weight and poor wear resistance, so that improvement is required.
Disclosure of Invention
The invention aims to provide a cable for an elevator hanging box, which solves the problems of heavy weight, low strength and poor wear resistance in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an elevator hangs hawser for case, includes the body, the body is including the inner core layer and the outer parcel layer that need soak in solid-liquid mixed grease, its characterized in that: the rope is characterized in that the inner core layer is a strip rope body formed by weaving 12x12 strands of modified aramid fibers, the outer wrapping layer is formed by blending 2x32 strands of ultra-high molecular weight polyethylene fibers and modified aramid fibers and wrapping the ultra-high molecular weight polyethylene fibers and the modified aramid fibers outside the inner core layer, and the rope is a body with the whole diameter range of 8-36 mm, the linear density range of 60-1200 ktex and the breaking strength range of 45-1000 kN.
Further, a sterilization and rust prevention layer is arranged outside the outer wrapping layer.
Further, a basic outer layer formed by weaving soft steel wires is wrapped outside the sterilization and rust prevention layer.
Further, the surface of the outer layer of the foundation is coated with a layer of heat insulation layer.
Further, a rust-proof layer is coated on the inner layer of the outer layer of the foundation.
Furthermore, during the weaving and weaving process of the modified aramid fiber of the inner core layer, a plurality of ultra-high molecular weight polyethylene fibers are inserted.
The invention also discloses a preparation method of the cable for the elevator hanging box, which is characterized by 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 modified aramid fiber weaving, and entering the next step after meeting the requirements;
s1-2) rope yarn manufacturing, selecting a certain number of single modified aramid fiber for weaving and carrying out 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 strands; finally forming a single strand;
s1-4) strand making, namely re-twisting the single strands obtained in the step S1-3) on a twisting machine with the same tension to finally form 12 strands;
s1-5) soaking the resin, and then soaking the strand of the S1-4) in the resin in the solid-liquid mixed lubricating grease for 8-10 hours; wherein the solid-liquid mixed lubricating grease comprises the following solid lubricating grease: the range of liquid grease is 1: 3-5;
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 materials of the ultra-high molecular weight polyethylene fiber and the modified aramid fiber, and entering the next step after the quality detection meets the requirements;
s2-2) preparing rope yarns, namely firstly selecting a certain amount of ultra-high molecular weight polyethylene fibers and modified aramid fibers for primary twisting to form mixed rope yarns;
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; soaking the resin in the solid-liquid mixed lubricating grease for 1 to 3 hours;
s2-4) weaving a rope, finally obtaining the rope strand soaked in the step S2-3), weaving the rope strand outside the inner core layer for one time to form an outer wrapping layer, then injecting solid-liquid mixed lubricating grease into the inner wrapping layer, and then injecting solid-liquid mixed lubricating grease into the inner wrapping layer to finally form 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 returning treatment.
The mooring rope for the elevator hanging box and the preparation method thereof have the following performance advantages: through adopting the inner core layer to adopt modified aramid fiber to make, make whole weight only be 40% with specification wire rope, and because modified aramid fiber anti-fracture effect is good, consequently final anti-fracture effect is compared the steel wire stronger, it is safer to use, outer modified aramid fiber and the mixed messenger bulk strength of ultra high molecular weight polyethylene fiber of adopting simultaneously are better, the mixed lubricating grease of solid-liquid that the inside implantation of rope simultaneously under the circumstances of operation can automatic infiltration rope surface, improve the wear resistance of rope, the shake of elevator has been reduced, the comfort level that the elevator was ridden has greatly been improved.
Drawings
Fig. 1 is a schematic structural view of a rope for an elevator car in the embodiment 1;
fig. 2 is a schematic structural view of a rope for an elevator cage in the embodiment 2;
fig. 3 is a schematic structural view of a rope for an elevator cage in this embodiment 3;
fig. 4 is a schematic view showing the construction of a rope for an elevator cage in this embodiment 4.
In the figure: the inner core layer 1, the outer wrapping layer 2, the sterilization anti-rust layer 3, the base outer layer 4, the heat insulation layer 5 and the anti-rust layer 6.
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 cable for an elevator car, which includes a body, the body includes an inner core layer 1 and an outer wrapping layer 2, the inner core layer 1 needs to be soaked in solid-liquid mixed grease, the inner core layer 1 is formed by weaving 12x12 strands of modified aramid fiber into a strip rope body, the outer wrapping layer 2 is formed by weaving 2x32 strands of ultra-high molecular weight polyethylene fiber and modified aramid fiber in a mixed manner and wrapping the modified aramid fiber outside the inner core layer 1, and the body with an overall diameter range of 36mm, a linear density range of 60ktex-1200ktex and a breaking strength range of 45kN-1000kN is finally formed. In this example the body has a diameter in the range of 10mm, a linear density in the range of 80ktex and a breaking strength in the range of 100 kN.
The embodiment also discloses a preparation method of the cable for the elevator hanging box, which is characterized by 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 modified aramid fiber weaving, and entering the next step after meeting the requirements;
s1-2) rope yarn manufacturing, selecting a certain number of single modified aramid fiber for weaving and carrying out 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 strands; finally forming a single strand;
s1-4) strand making, namely re-twisting the single strands obtained in the step S1-3) on a twisting machine with the same tension to finally form 12 strands;
s1-5) soaking the resin, and then soaking the strand of the S1-4) in the resin in the solid-liquid mixed lubricating grease for 8-10 hours; wherein the solid-liquid mixed lubricating grease comprises the following solid lubricating grease: the range of liquid grease is 1: 3-5; the resin was soaked for 9 hours in this example;
s1-6) weaving the inner core layer 1, finally obtaining the strands soaked in the S1-4) and weaving the strands into 12 strands to finally form the inner core layer 1 for later use;
s2 production process steps of the outer wrapping layer 2 are as follows:
s2-1) firstly, carrying out quality detection on the raw materials of the ultra-high molecular weight polyethylene fiber and the modified aramid fiber, and entering the next step after the quality detection meets the requirements;
s2-2) preparing rope yarns, namely firstly selecting a certain amount of ultra-high molecular weight polyethylene fibers and modified aramid fibers for primary twisting to form mixed rope yarns;
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; soaking the resin in the solid-liquid mixed lubricating grease for 1 to 3 hours; resin was soaked for 3 hours in this example;
s2-4) weaving a rope, finally obtaining the rope strand soaked in the step S2-3), weaving the rope strand outside the inner core layer 1 for one time to form an outer wrapping layer, then injecting solid-liquid mixed lubricating grease into the outer wrapping layer, then injecting solid-liquid mixed lubricating grease 2 into the inner wrapping layer, and then injecting solid-liquid mixed lubricating grease into the inner wrapping layer to finally form 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 returning treatment.
Solid grease in the solid-liquid mixed grease in this example: the range of liquid grease is 1: 4.
experiments prove that: through adopting inner core layer 1 to adopt modified aramid fiber to make, make whole weight only be 40% with specification wire rope, and because modified aramid fiber anti-fracture is effectual, consequently final anti-fracture effect is compared the steel wire stronger, it is safer to use, outer modified aramid fiber of adopting and ultra-high molecular weight polyethylene fibre mixture make bulk strength better simultaneously, the mixed lubricating grease of solid-liquid that the inside implantation of rope simultaneously under the circumstances of operation can automatic infiltration to the rope surface, improve the wear resistance of rope, the shake of elevator has been reduced, the comfort level that the elevator climbed has greatly been improved.
Example 2:
referring to fig. 2, the embodiment provides a cable for an elevator car, which includes a body, the body includes an inner core layer 1 and an outer wrapping layer 2, the inner core layer 1 needs to be soaked in solid-liquid mixed grease, the inner core layer 1 is formed by weaving 12x12 strands of modified aramid fiber into a strip rope body, the outer wrapping layer 2 is formed by weaving 2x32 strands of ultra-high molecular weight polyethylene fiber and modified aramid fiber in a mixed manner, and the modified aramid fiber wraps the outer core layer 1 to finally form the body with an overall diameter of 36mm, a linear density of 1200ktex, and a breaking strength of 1000 kN.
Further, a sterilization and rust prevention layer 3 is arranged outside the outer wrapping layer 2.
The embodiment also discloses a preparation method of the cable for the elevator hanging box, which is characterized by 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 modified aramid fiber weaving, and entering the next step after meeting the requirements;
s1-2) rope yarn manufacturing, selecting a certain number of single modified aramid fiber for weaving and carrying out 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 strands; finally forming a single strand;
s1-4) strand making, namely re-twisting the single strands obtained in the step S1-3) on a twisting machine with the same tension to finally form 12 strands;
s1-5) soaking the resin, and then soaking the strand of the S1-4) in the resin in the solid-liquid mixed grease for 8.5 hours; wherein the solid-liquid mixed lubricating grease comprises the following solid lubricating grease: the liquid grease is prepared from the following components in percentage by weight: 3-5;
s1-6) weaving the inner core layer 1, finally obtaining the strands soaked in the S1-4) and weaving the strands into 12 strands to finally form the inner core layer 1 for later use;
s2 production process steps of the outer wrapping layer 2 are as follows:
s2-1) firstly, carrying out quality detection on the raw materials of the ultra-high molecular weight polyethylene fiber and the modified aramid fiber, and entering the next step after the quality detection meets the requirements;
s2-2) preparing rope yarns, namely firstly selecting a certain amount of ultra-high molecular weight polyethylene fibers and modified aramid fibers for primary twisting to form mixed rope yarns;
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; soaking the resin in the solid-liquid mixed lubricating grease for 1.5 hours; s2-4) weaving a rope, finally obtaining the rope strand soaked in the step S2-3), weaving the rope strand outside the inner core layer 1 for one time to form an outer wrapping layer, then injecting solid-liquid mixed lubricating grease into the outer wrapping layer, then injecting solid-liquid mixed lubricating grease 2 into the inner wrapping layer, and then injecting solid-liquid mixed lubricating grease into the inner wrapping layer to finally form a finished product rope; coating a layer of sterilization and rust prevention agent outside the finished 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 returning treatment.
Solid grease in the solid-liquid mixed grease in this example: the liquid grease is prepared from the following components in percentage by weight: 5.
example 3:
referring to fig. 3, the embodiment provides a cable for an elevator car, which includes a body, the body includes an inner core layer 1 and an outer wrapping layer 2, the inner core layer 1 needs to be soaked in solid-liquid mixed grease, the inner core layer 1 is formed by weaving 12x12 strands of modified aramid fiber into a strip rope body, the outer wrapping layer 2 is formed by weaving 2x32 strands of ultra-high molecular weight polyethylene fiber and modified aramid fiber in a mixed manner, and the modified aramid fiber wraps the outer core layer 1 to finally form the body with an overall diameter of 30mm, a linear density of 1000ktex, and a breaking strength of 800 kN.
Further, a sterilization and rust prevention layer 3 is arranged outside the outer wrapping layer 2.
Further, a basic outer layer 4 formed by weaving soft steel wires is wrapped outside the sterilization and rust prevention layer 3.
The embodiment also discloses a preparation method of the cable for the elevator hanging box, which is characterized by 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 modified aramid fiber weaving, and entering the next step after meeting the requirements;
s1-2) rope yarn manufacturing, selecting a certain number of single modified aramid fiber for weaving and carrying out 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 strands; finally forming a single strand;
s1-4) strand making, namely re-twisting the single strands obtained in the step S1-3) on a twisting machine with the same tension to finally form 12 strands;
s1-5) soaking the resin, and then soaking the strand of the S1-4) in the solid-liquid mixed lubricating grease for 8 hours; wherein the solid-liquid mixed lubricating grease comprises the following solid lubricating grease: the liquid grease is prepared from the following components in percentage by weight: 3-5;
s1-6) weaving the inner core layer 1, finally obtaining the strands soaked in the S1-4) and weaving the strands into 12 strands to finally form the inner core layer 1 for later use;
s2 production process steps of the outer wrapping layer 2 are as follows:
s2-1) firstly, carrying out quality detection on the raw materials of the ultra-high molecular weight polyethylene fiber and the modified aramid fiber, and entering the next step after the quality detection meets the requirements;
s2-2) preparing rope yarns, namely firstly selecting a certain amount of ultra-high molecular weight polyethylene fibers and modified aramid fibers for primary twisting to form mixed rope yarns;
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; soaking the resin in the solid-liquid mixed lubricating grease for 1 hour; s2-4) weaving a rope, finally obtaining the rope strand soaked in the step S2-3), weaving the rope strand outside the inner core layer 1 for one time to form an outer wrapping layer, then injecting solid-liquid mixed lubricating grease into the outer wrapping layer, then injecting solid-liquid mixed lubricating grease 2 into the inner wrapping layer, and then injecting solid-liquid mixed lubricating grease into the inner wrapping layer to finally form a semi-finished product; coating a layer of sterilization and rust prevention agent outside the semi-finished product; then, continuously weaving a layer of basic outer layer 4 woven by soft steel wires outside the sterilizing and antirust agent to finally form 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 returning treatment.
Solid grease in the solid-liquid mixed grease in this example: the liquid grease is prepared from the following components in percentage by weight: 3.
example 4:
referring to fig. 4, the embodiment provides a cable for an elevator car, which includes a body, the body includes an inner core layer 1 and an outer wrapping layer 2, the inner core layer 1 needs to be soaked in solid-liquid mixed grease, the inner core layer 1 is formed by weaving 12x12 strands of modified aramid fiber into a strip rope body, the outer wrapping layer 2 is formed by weaving 2x32 strands of ultra-high molecular weight polyethylene fiber and modified aramid fiber together and wrapping the outer core layer 1 to form the body with an overall diameter of 246mm, a linear density of 800ktex and a breaking strength of 900 kN.
Further, a sterilization and rust prevention layer 3 is arranged outside the outer wrapping layer 2.
Further, a basic outer layer 4 formed by weaving soft steel wires is wrapped outside the sterilization and rust prevention layer 3.
Further, the surface of the basic outer layer 4 is coated with a layer of heat insulation layer 5.
Further, a rust preventive layer 6 is coated on the inner layer of the base outer layer 4.
Furthermore, during the weaving and weaving process of the modified aramid fiber of the inner core layer 1, a plurality of ultra-high molecular weight polyethylene fibers are inserted.
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 (7)
1. The utility model provides an elevator is hawser for hanging case, includes the body, the body is including the interior sandwich layer (1) and outer parcel (2) that need soak in solid-liquid mixed grease, its characterized in that: the rope is characterized in that the inner core layer (1) is formed by weaving 12x12 strands of modified aramid fibers to form a strip rope body, the outer wrapping layer (2) is formed by blending 2x32 strands of ultrahigh molecular weight polyethylene fibers and modified aramid fibers and wrapping the modified aramid fibers outside the inner core layer (1) to finally form the body with the overall diameter range of 8-36 mm, the linear density range of 60-1200 ktex and the breaking strength range of 45-1000 kN.
2. A rope for an elevator car as defined in claim 1, wherein: the outer wrapping layer (2) is externally provided with a sterilization antirust layer (3).
3. A rope for an elevator car as defined in claim 2, wherein: the outer layer (4) of the base woven by soft steel wires is also wrapped outside the sterilization and rust-proof layer (3).
4. A rope for an elevator car as defined in claim 3, wherein: the surface of the basic outer layer (4) is coated with a heat insulation layer (5).
5. A rope for an elevator car as defined in claim 4, wherein: an anti-rust layer (6) is coated on the inner layer of the basic outer layer (4).
6. A rope for an elevator car as claimed in claim 5, wherein: during the weaving and weaving process of the modified aramid fiber of the inner core layer (1), a plurality of ultra-high molecular weight polyethylene fibers are inserted.
7. A preparation method of a cable rope for an elevator hanging box is characterized by 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 modified aramid fiber weaving, and entering the next step after meeting the requirements;
s1-2) rope yarn manufacturing, selecting a certain number of single modified aramid fiber to weave 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) making strands, namely taking the single strands in the step S1-3) and then carrying out secondary twisting on a twisting machine with the same tension to finally form 12 strands;
s1-5) soaking resin, and then soaking the strand of the S1-4) in the solid-liquid mixed grease for 8-10 hours; wherein the solid-liquid mixed lubricating grease comprises the following solid lubricating grease: the range of liquid grease is 1: 3-5;
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 materials of the ultra-high molecular weight polyethylene fiber and the modified aramid fiber, and entering the next step after the quality detection meets the requirements;
s2-2) preparing rope yarns, namely firstly selecting a certain amount of ultra-high molecular weight polyethylene fibers and modified aramid fibers for primary twisting to form mixed rope yarns;
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; soaking the resin in the solid-liquid mixed lubricating grease for 1 to 3 hours;
s2-4) weaving a rope, finally obtaining the rope strand soaked in the step S2-3), weaving the rope strand outside the inner core layer (1) for one time to form an outer wrapping layer, then injecting solid-liquid mixed lubricating grease into the outer wrapping layer, then injecting solid-liquid mixed lubricating grease (2) into the inner wrapping layer, and then injecting solid-liquid mixed lubricating grease into the inner wrapping layer to finally form a finished 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.
Priority Applications (1)
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Application publication date: 20210205 |