CN112342805A - Stainless steel wire rope for high-speed railway contact net and manufacturing method thereof - Google Patents
Stainless steel wire rope for high-speed railway contact net and manufacturing method thereof Download PDFInfo
- Publication number
- CN112342805A CN112342805A CN202011283977.0A CN202011283977A CN112342805A CN 112342805 A CN112342805 A CN 112342805A CN 202011283977 A CN202011283977 A CN 202011283977A CN 112342805 A CN112342805 A CN 112342805A
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- wire rope
- steel wire
- multiplied
- strands
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
- D07B1/0673—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
- D07B1/0673—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration
- D07B1/0686—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration characterised by the core design
-
- 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
- D07B5/006—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties by the properties of an outer surface polymeric coating
-
- 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
- D07B2201/1028—Rope or cable structures characterised by the number of strands
- D07B2201/1032—Rope or cable structures characterised by the number of strands three to eight strands respectively forming a single layer
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/2038—Strands characterised by the number of wires or filaments
- D07B2201/2039—Strands characterised by the number of wires or filaments three to eight wires or filaments respectively forming a single layer
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/2041—Strands 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
- D07B2201/2065—Cores characterised by their structure comprising a coating
-
- 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
- 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
- D07B2401/2055—Improving load capacity
-
- 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
Landscapes
- Ropes Or Cables (AREA)
Abstract
The invention discloses a stainless steel wire rope for a high-speed railway contact net and a manufacturing method thereof, and relates to the technical field of wire rope manufacturing. The manufacturing method is realized by the following steps: making 1 central parallel twisted strand (3) with a structure of 1 multiplied by 19W, 8 rope strands (2) with a structure of 1 multiplied by 7, 8 outer layer parallel twisted strands (1) with a structure of 1 multiplied by 29Fi, and forming a parallel twisted compact stainless steel wire rope. The stainless steel wire rope can be prepared with low use cost, low maintenance cost, high breaking tension, good corrosion resistance and long service life, and provides a low-cost and long-service-life wire rope meeting the mechanical property requirement for a high-speed railway contact net.
Description
Technical Field
The invention relates to the technical field of steel wire rope manufacturing, in particular to a stainless steel wire rope for a high-speed railway contact net and a manufacturing method thereof.
Background
At present, China enters the era of rapid development of high-speed railways. The speed per hour of the high-speed railway passenger special line train established in plain areas of China is basically more than 350 Km/h. The steel wire rope for the existing electrified railway contact net adopts a carbon steel austenitic stainless steel composite asphalt steel wire rope, and has the advantages of good corrosion resistance and high breaking tension. However, the production method of the steel wire rope is complex, and simultaneously, the sealing requirement is high because carbon steel is used, and German imported asphalt must be used, so that the use cost and the maintenance cost of the steel wire rope are high.
Disclosure of Invention
The invention aims to provide a stainless steel wire rope for a high-speed railway contact net and a manufacturing method thereof aiming at the defects in the prior art. The stainless steel wire rope can be prepared with low use cost, low maintenance cost, high breaking tension, good corrosion resistance and long service life, and provides a low-cost and long-service-life wire rope meeting the mechanical property requirement for a high-speed railway contact net.
The object of the invention can be achieved by the following technical measures:
the stainless steel wire rope for the high-speed railway contact net is a parallel-twisted compact stainless steel wire rope which is formed by sequentially arranging 1 central parallel twisted strand with a structure of 1 multiplied by 19W, 8 rope strands with a structure of 1 multiplied by 7 and 8 outer layer parallel twisted strands with a structure of 1 multiplied by 29Fi from inside to outside in a layered wrapping combination mode (the parallel-twisted compact steel wire rope belongs to a wire contact wire rope, has high filling coefficient and can meet the high breaking tension requirement of the wire rope for the high-speed railway contact net, so the parallel-twisted compact stainless steel wire rope is selected as a main structure of the wire rope; wherein each outer layer parallel lay is composed of 22 steel wires and 7 filling steel wires.
The invention relates to a method for manufacturing a stainless steel wire rope for a high-speed railway contact net, which is realized by the following steps:
A. making 1 central parallel twisted strand with a structure of 1 × 19W: firstly, austenite stainless steel wires with the diameter of 0.3-0.8 mm and the strength range of 2000-2300 MPa are made into central parallel strands with the structure of 1 multiplied by 19W, the diameter of 1.6-3.6 mm and the lay length of 16-36 mm through a stranding machine, and 1 in total (the austenite stainless steel wires have the advantages of high strength and corrosion resistance, and the prepared central parallel strands and the formed steel wire ropes have the advantages of high breaking tension, good corrosion resistance and long service life, and only stainless steel maintenance oil needs to be regularly smeared even in coastal and humid areas, and the maintenance cost is low); then, carrying out first tensioning on the central parallel twisted strand by adopting 0.6-0.7 times of breaking force, and setting the stress relief temperature to be 220 ℃ during the first tensioning; secondly, performing second tensioning on the central parallel twisted strand by adopting 0.3-0.4 times of breaking tension, and coating a layer of lubricating grease with the thickness of 0.6mm after tensioning (as the central parallel twisted strand of the steel wire rope is coated with the lubricating grease, the lubricating grease can seep out in the use process of the steel wire rope, the fretting fatigue wear of the steel wire rope can be effectively reduced, and the service life of the steel wire rope can be prolonged;
B. making 8 strands with a structure of 1 × 7: 304 stainless steel wires with the diameter of 0.3-0.8 mm and the strength range of 1900-2100 MPa are made into strands with the structure of 1 multiplied by 7, the diameter of 1.2-2.1 mm and the lay length of 10-17 mm through a stranding machine, and the total number of the strands is 8 (the 304 stainless steel wires have the advantages of high strength and corrosion resistance, the prepared strands and formed steel wire ropes have the advantages of high breaking tension, good corrosion resistance and long service life, and even in coastal and humid areas, the stainless steel maintenance oil only needs to be regularly coated, so that the maintenance cost is low);
C. making 8 outer layer parallel strands with a structure of 1 × 29 Fi: 304 stainless steel wires with the diameter of 0.1-1.1 mm and the strength range of 1900-2200 MPa are made into outer layer parallel strands with the structure of 1 × 29Fi, the diameter of 2.0-3.8 mm and the lay length of 19-36 mm through a stranding machine, and the total number of the outer layer parallel strands is 8 (the 304 stainless steel wires have the advantages of high strength and corrosion resistance, the prepared outer layer parallel strands and the formed steel wire rope have the advantages of high breaking tension, good corrosion resistance and long service life, and even in coastal and humid areas, the steel wire rope only needs to be regularly coated with stainless steel maintenance oil, and the steel wire rope has the advantage of low maintenance cost);
D. and (3) forming a parallel-twisted compact stainless steel wire rope: and (3) making 1 central parallel twisted strand with the structure of 1 multiplied by 19W, 8 strands with the structure of 1 multiplied by 7 and 8 outer parallel twisted strands with the structure of 1 multiplied by 29Fi, which are made in the step (A), and the 8 outer parallel twisted strands with the structure of 1 multiplied by 29Fi into a parallel twisted compact stainless steel wire rope with the structure of 1 multiplied by 19W +8 multiplied by 7+8 multiplied by 29Fi, the diameter of the wire rope is 7-14 mm and the lay length is 54-105 mm through a rope forming machine (the parallel twisted compact steel wire rope belongs to a wire contact steel wire rope, the filling coefficient is high, and the requirement of high breaking tension of the steel wire rope for the overhead line system of the high-speed railway can be met).
The design principle of the invention is as follows:
the stainless steel wire rope for the high-speed railway contact net is of a main structure formed by parallel twisting, namely the stainless steel wire rope is formed by sequentially arranging 1 central parallel twisted strand with the structure of 1 multiplied by 19W, 8 rope strands with the structure of 1 multiplied by 7 and 8 outer parallel twisted strands with the structure of 1 multiplied by 29Fi in a layered wrapping and combining mode from inside to outside, and the parallel twisted dense wire rope belongs to a wire contact wire rope and has high filling coefficient, so that the requirement of high breaking tension of the wire rope for the high-speed railway contact net can be met, and the stainless steel wire rope prepared by the method has the advantages of high breaking tension and long service life; because each strand and each strand in the steel wire rope are made of austenitic stainless steel wires or 304 stainless steel wires, the steel wires have the advantages of high strength and corrosion resistance, the prepared steel wire rope has the advantages of high breaking tension, good corrosion resistance and long service life, and only stainless steel maintenance oil needs to be regularly smeared even in coastal and humid areas, so that the steel wire rope also has the advantage of low maintenance cost; in addition, because the central parallel twisted strand serving as the steel wire rope core rope is coated with lubricating grease, the lubricating grease can seep out in the use process of the steel wire rope, the fretting fatigue wear of the steel wire rope can be effectively reduced, and the service life of the steel wire rope is prolonged.
The invention has the following beneficial technical effects:
the stainless steel wire rope can be prepared with low use cost, low maintenance cost, high breaking tension, good corrosion resistance and long service life, and provides a low-cost and long-service-life wire rope meeting the mechanical property requirement for a high-speed railway contact net.
Drawings
FIG. 1 is a schematic structural diagram of a stainless steel wire rope for a high-speed railway contact network, which is prepared by the method.
The sequence numbers in the figures illustrate: 1. outer parallel lay, 2, strand, 3, center parallel lay.
Detailed Description
The invention is further described below with reference to the figures and examples:
as shown in fig. 1, the stainless steel wire rope for the high-speed railway catenary of the invention is a parallel-twisted compact stainless steel wire rope (the parallel-twisted compact wire rope belongs to a wire contact wire rope, has a high filling factor, and can meet the high breaking tension requirement of the wire rope for the high-speed railway catenary, so that the parallel-twisted compact stainless steel wire rope is selected as a main body structure of the wire rope in the invention), wherein the parallel-twisted compact stainless steel wire rope is composed of 1 central parallel twisted strand (3) with a structure of 1 × 19W, 8 strand (2) with a structure of 1 × 7 and 8 outer layer parallel twisted strands (1) with a structure of 1 × 29Fi, which are sequentially arranged from inside to outside in a layered wrapping and combining manner; wherein each outer layer parallel twisted strand (1) is composed of 22 steel wires and 7 filling steel wires.
Example one
The manufacturing method of the stainless steel wire rope for the high-speed railway contact network in the embodiment I is realized through the following steps:
A. 1 central parallel twisted strand (3) with a structure of 1 × 19W was made: firstly, austenitic stainless steel wires with the diameters of 0.72mm and 0.55mm and the strength of 2050MPa are made into central parallel twisted strands (3) with the structure of 1 multiplied by 19W, the diameter of 3.6mm and the lay length of 34.2 by a stranding machine, and 1 in total (the austenitic stainless steel wires have the advantages of high strength and corrosion resistance, the prepared central parallel twisted strands (3) and formed steel wire ropes have the advantages of high breaking tension, good corrosion resistance and long service life, and only stainless steel maintenance oil needs to be regularly coated even in coastal and humid areas, and the austenitic stainless steel wires also have the advantage of low maintenance cost); then, carrying out first tensioning on the central parallel twisted strand (3) by adopting 0.6-time breaking tension, and setting the stress relief temperature to be 220 ℃ during the first tensioning; then, performing second tensioning on the central parallel twisted strand (3) by adopting 0.3-time breaking tension, and coating a layer of lubricating grease with the thickness of 0.6mm after tensioning (because the central parallel twisted strand (3) serving as the steel wire rope core rope is coated with the lubricating grease, the lubricating grease can seep out in the use process of the steel wire rope, the fretting fatigue wear of the steel wire rope can be effectively reduced, and the service life of the steel wire rope can be prolonged;
B. making 8 strands (2) with a structure of 1 × 7: 304 stainless steel wires with the diameters of 0.682mm and 0.72mm and the strength of 1920MPa are made into strands (2) with the structure of 1 multiplied by 7, the diameter of 2.06mm and the lay length of 16.9mm through a stranding machine, and the total number of the strands is 8 (the 304 stainless steel wires have the advantages of high strength and corrosion resistance, the prepared strands (2) and the formed steel wire rope have the advantages of high breaking tension, good corrosion resistance and long service life, and only stainless steel maintenance oil needs to be regularly coated even in coastal and humid areas, and the maintenance cost is low);
C. making 8 outer layer parallel twisted strands (1) with a structure of 1 × 29 Fi: 304 stainless steel wires with the diameters of 1.04mm, 0.54mm and 0.29mm and the strength of 1920MPa are made into outer layer parallel twisted strands (1) with the structure of 1 × 29Fi, the diameter of 3.6mm and the lay length of 36mm through a stranding machine, and 8 stainless steel wires in total (the 304 stainless steel wires have the advantages of high strength and corrosion resistance, the prepared outer layer parallel twisted strands (1) and formed steel wire ropes have the advantages of high breaking tension, good corrosion resistance and long service life, and only stainless steel maintenance oil needs to be regularly coated even in coastal and humid areas, so that the maintenance cost is low;
D. and (3) forming a parallel-twisted compact stainless steel wire rope: and (3) preparing 1 central parallel twisted strand (3) with the structure of 1 multiplied by 19W prepared in the step A, 8 rope strands (2) with the structure of 1 multiplied by 7 prepared in the step B and 8 outer layer parallel twisted strands (1) with the structure of 1 multiplied by 29Fi prepared in the step C into a parallel twisted compact stainless steel wire rope (the parallel twisted compact stainless steel wire rope belongs to a wire contact wire rope, the filling coefficient is high, and the requirement of high breaking tension of the wire rope for the overhead line system of the high-speed railway) with the structure of 1 multiplied by 19W +8 multiplied by 7+8 multiplied by 29Fi, the wire diameter is 14mm and the lay length is 105mm by a rope forming machine.
Example two
The second embodiment of the method for manufacturing the stainless steel wire rope for the high-speed railway contact network is realized by the following steps:
A. 1 central parallel twisted strand (3) with a structure of 1 × 19W was made: firstly, austenite stainless steel wires with the diameters of 0.54mm and 0.4mm and the strength of 2100MPa are made into central parallel strands (3) with the structure of 1 multiplied by 19W, the diameter of 2.4mm and the lay length of 23mm through a stranding machine, and 1 in total (the austenite stainless steel wires have the advantages of high strength and corrosion resistance, the prepared central parallel strands (3) and formed steel wire ropes have the advantages of high breaking tension, good corrosion resistance and long service life, and only stainless steel maintenance oil needs to be regularly coated even in coastal and humid areas, and the maintenance cost is low); then, carrying out first tensioning on the central parallel twisted strand (3) by adopting 0.65-time breaking tension, and setting the stress relief temperature to be 220 ℃ during the first tensioning; secondly, tensioning the central parallel twisted strand (3) for the second time by adopting 0.35-time breaking tension, and coating a layer of lubricating grease with the thickness of 0.6mm after tensioning (because the central parallel twisted strand (3) serving as the steel wire rope core rope is coated with the lubricating grease, the lubricating grease can seep out in the use process of the steel wire rope, the fretting fatigue wear of the steel wire rope can be effectively reduced, and the service life of the steel wire rope can be prolonged;
B. making 8 strands (2) with a structure of 1 × 7: 304 stainless steel wires with the diameters of 0.44mm and 0.52mm and the strength of 2000MPa are made into strands (2) with the structure of 1 multiplied by 7, the diameter of 1.38 mm and the lay length of 11.8mm through a stranding machine, and the total number of the strands is 8 (the 304 stainless steel wires have the advantages of high strength and corrosion resistance, the prepared strands (2) and formed steel wire ropes have the advantages of high breaking tension, good corrosion resistance and long service life, and even in coastal and humid areas, the stainless steel maintenance oil only needs to be regularly coated, and the maintenance cost is low);
C. making 8 outer layer parallel twisted strands (1) with a structure of 1 × 29 Fi: 304 stainless steel wires with the diameters of 0.7mm, 0.5mm and 0.18mm and the strength of 2050MPa are made into outer layer parallel strands (1) with the structure of 1 × 29Fi, the diameter of 2.54mm and the lay length of 25.4mm through a stranding machine, and the total number of the 8 stainless steel wires is 8 (the 304 stainless steel wires have the advantages of high strength and corrosion resistance, the prepared outer layer parallel strands (1) and formed steel wire ropes have the advantages of high breaking tension, good corrosion resistance and long service life, and only stainless steel maintenance oil needs to be regularly coated even in coastal and humid areas, so that the maintenance cost is low);
D. and (3) forming a parallel-twisted compact stainless steel wire rope: and (3) preparing 1 central parallel twisted strand (3) with the structure of 1 multiplied by 19W prepared in the step A, 8 rope strands (2) with the structure of 1 multiplied by 7 prepared in the step B and 8 outer layer parallel twisted strands (1) with the structure of 1 multiplied by 29Fi prepared in the step C into a parallel-twisted compact stainless steel wire rope with the structure of 1 multiplied by 19W +8 multiplied by 7+8 multiplied by 29Fi, the diameter of the rope is 9.5mm and the lay length is 66.6mm through a rope forming machine (the parallel-twisted compact steel wire rope belongs to a wire contact steel wire rope, the filling coefficient is high, and the requirement of high breaking tension of the steel wire rope for the high-speed railway contact net can be met).
EXAMPLE III
The method for manufacturing the stainless steel wire rope for the high-speed railway contact network in the third embodiment is realized by the following steps:
A. 1 central parallel twisted strand (3) with a structure of 1 × 19W was made: firstly, austenitic stainless steel wires with the diameters of 0.40mm and 0.32mm and the strength of 2280MPa are made into central parallel strands (3) with the structure of 1 multiplied by 19W, the diameter of 1.8mm and the lay length of 16.4mm through a stranding machine, and 1 in total (the austenitic stainless steel wires have the advantages of high strength and corrosion resistance, the prepared central parallel strands (3) and formed steel wire ropes have the advantages of high breaking tension, good corrosion resistance and long service life, and only stainless steel maintenance oil needs to be regularly coated even in coastal and humid areas, and the austenitic stainless steel wires also have the advantage of low maintenance cost); then, carrying out first tensioning on the central parallel twisted strand (3) by adopting 0.68 times of breaking force, and setting the stress relief temperature to be 220 ℃ during the first tensioning; secondly, tensioning the central parallel twisted strand (3) for the second time by adopting 0.38 times of breaking tension, and coating a layer of lubricating grease with the thickness of 0.6mm after tensioning (because the central parallel twisted strand (3) serving as the steel wire rope core rope is coated with the lubricating grease, the lubricating grease can seep out in the use process of the steel wire rope, the fretting fatigue wear of the steel wire rope can be effectively reduced, and the service life of the steel wire rope can be prolonged;
B. making 8 strands (2) with a structure of 1 × 7: 304 stainless steel wires with the diameters of 0.35mm and 0.33 mm and the strength of 2080MPa are made into strands (2) with the structure of 1 multiplied by 7, the diameter of 1.0 mm and the lay length of 10mm through a stranding machine, and the total number of the strands is 8 (the 304 stainless steel wires have the advantages of high strength and corrosion resistance, the prepared strands (2) and the formed steel wire rope have the advantages of high breaking tension, good corrosion resistance and long service life, and even in coastal and humid areas, the stainless steel maintenance oil only needs to be regularly coated, and the maintenance cost is low);
C. making 8 outer layer parallel twisted strands (1) with a structure of 1 × 29 Fi: 304 stainless steel wires with the diameters of 0.54mm, 0.4mm and 0.14mm and the strength of 2180MPa are made into outer layer parallel twisted strands (1) with the structure of 1 × 29Fi, the diameter of 2.0mm and the lay length of 19 mm through a stranding machine, and 8 stainless steel wires in total (the 304 stainless steel wires have the advantages of high strength and corrosion resistance, the prepared outer layer parallel twisted strands (1) and formed steel wire ropes have the advantages of high breaking tension, good corrosion resistance and long service life, and only stainless steel maintenance oil needs to be regularly coated even in coastal and humid areas, so that the maintenance cost is low);
D. and (3) forming a parallel-twisted compact stainless steel wire rope: and (3) preparing 1 central parallel twisted strand (3) with the structure of 1 multiplied by 19W prepared in the step A, 8 rope strands (2) with the structure of 1 multiplied by 7 prepared in the step B and 8 outer layer parallel twisted strands (1) with the structure of 1 multiplied by 29Fi prepared in the step C into a parallel-twisted compact stainless steel wire rope with the structure of 1 multiplied by 19W +8 multiplied by 7+8 multiplied by 29Fi, the diameter of the rope is 7.2mm and the lay length is 54mm through a rope forming machine (the parallel-twisted compact stainless steel wire rope belongs to a wire contact wire rope, the filling coefficient is high, and the requirement of high breaking tension of the wire rope for the overhead line system of the high-speed railway can be met).
Claims (2)
1. The utility model provides a stainless steel wire rope for high-speed railway contact net which characterized in that: the stainless steel wire rope is a parallel-twisted compact stainless steel wire rope which is composed of 1 central parallel twisted strand (3) with a structure of 1 multiplied by 19W, 8 rope strands (2) with a structure of 1 multiplied by 7 and 8 outer layer parallel twisted strands (1) with a structure of 1 multiplied by 29Fi, which are sequentially arranged from inside to outside in a layered wrapping combination mode; wherein each outer layer parallel twisted strand (1) is composed of 22 steel wires and 7 filling steel wires.
2. The method for preparing the stainless steel wire rope for the high-speed railway contact net in claim 1 is characterized by comprising the following steps: the manufacturing method is realized by the following steps:
A. 1 central parallel twisted strand (3) with a structure of 1 × 19W was made: firstly, 1 central parallel strand (3) with the structure of 1 multiplied by 19W, the diameter of 1.6-3.6 mm and the lay length of 16-36 mm is manufactured by an austenitic stainless steel wire with the diameter of 0.3-0.8 mm and the strength range of 2000-2300 MPa through a stranding machine; then, carrying out first tensioning on the central parallel twisted strand (3) by adopting 0.6-0.7 times of breaking force, and setting the stress relief temperature to be 220 ℃ during the first tensioning; secondly, tensioning the central parallel twisted strand (3) for the second time by adopting 0.3-0.4 times of breaking force, and coating a layer of lubricating grease with the thickness of 0.6mm after tensioning;
B. making 8 strands (2) with a structure of 1 × 7: using 304 stainless steel wires with the diameter of 0.3-0.8 mm and the strength range of 1900-2100 MPa to prepare 8 strands (2) with the structure of 1 multiplied by 7, the diameter of 1.2-2.1 mm and the lay length of 10-17 mm by a stranding machine;
C. making 8 outer layer parallel twisted strands (1) with a structure of 1 × 29 Fi: using 304 stainless steel wires with the diameter of 0.1-1.1 mm and the strength range of 1900-2200 MPa to prepare outer layer parallel twisted strands (1) with the structure of 1 × 29Fi, the diameter of 2.0-3.8 mm and the lay length of 19-36 mm through a stranding machine, wherein the total number of the outer layer parallel twisted strands is 8;
D. and (3) forming a parallel-twisted compact stainless steel wire rope: and C, manufacturing the 1 central parallel twisted strand (3) with the structure of 1 multiplied by 19W manufactured in the step A, the 8 strands (2) with the structure of 1 multiplied by 7 manufactured in the step B and the 8 outer layer parallel twisted strands (1) with the structure of 1 multiplied by 29Fi manufactured in the step C into the parallel-twisted compact stainless steel wire rope with the structure of 1 multiplied by 19W +8 multiplied by 7+8 multiplied by 29Fi, the diameter of the rope is 7-14 mm and the lay length is 54-105 mm by a rope forming machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011283977.0A CN112342805A (en) | 2020-11-17 | 2020-11-17 | Stainless steel wire rope for high-speed railway contact net and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011283977.0A CN112342805A (en) | 2020-11-17 | 2020-11-17 | Stainless steel wire rope for high-speed railway contact net and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112342805A true CN112342805A (en) | 2021-02-09 |
Family
ID=74362797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011283977.0A Pending CN112342805A (en) | 2020-11-17 | 2020-11-17 | Stainless steel wire rope for high-speed railway contact net and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112342805A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634116A (en) * | 2009-08-19 | 2010-01-27 | 江苏法尔胜股份有限公司 | Method for manufacturing steel wire rope applied to high-speed railway touching net |
| CN105546038A (en) * | 2016-02-25 | 2016-05-04 | 天津高盛钢丝绳有限公司 | High-speed ladder sisal hemp core steel wire rope and manufacturing method thereof |
| WO2016141899A1 (en) * | 2015-02-06 | 2016-09-15 | 法尔胜泓昇集团有限公司 | Filled-type linear contact structure steel wire rope |
| CN107905007A (en) * | 2017-12-18 | 2018-04-13 | 贵州钢绳股份有限公司 | A kind of fatigue performance steel wire rope and its manufacture method |
-
2020
- 2020-11-17 CN CN202011283977.0A patent/CN112342805A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634116A (en) * | 2009-08-19 | 2010-01-27 | 江苏法尔胜股份有限公司 | Method for manufacturing steel wire rope applied to high-speed railway touching net |
| WO2016141899A1 (en) * | 2015-02-06 | 2016-09-15 | 法尔胜泓昇集团有限公司 | Filled-type linear contact structure steel wire rope |
| CN105546038A (en) * | 2016-02-25 | 2016-05-04 | 天津高盛钢丝绳有限公司 | High-speed ladder sisal hemp core steel wire rope and manufacturing method thereof |
| CN107905007A (en) * | 2017-12-18 | 2018-04-13 | 贵州钢绳股份有限公司 | A kind of fatigue performance steel wire rope and its manufacture method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202369843U (en) | Cable rope | |
| CN101988272B (en) | Sisal hemp core steel wire rope for high-speed elevator | |
| CN105951597A (en) | Steel wire rope for suspension bridge sling and manufacturing method thereof | |
| CN101634116B (en) | Method for manufacturing steel wire rope applied to high-speed railway touching net | |
| CN101581048B (en) | Stainless steel wire for spaceflight | |
| CN112342805A (en) | Stainless steel wire rope for high-speed railway contact net and manufacturing method thereof | |
| CN201265120Y (en) | Point and line contact wire cable with large diameter | |
| CN204435057U (en) | A kind of railway impregnate with bitumen type composite steel wire rope | |
| CN201686881U (en) | Steel wire rope for high-speed elevator | |
| CN102134811A (en) | 9-strand steel wire rope for high-rise high-speed elevator and preparation method thereof | |
| CN101135116B (en) | High-velocity elevator wire rope | |
| RU186798U1 (en) | ROPE TROLLEY | |
| CN202786902U (en) | Multilayer strand compacting strand steel wire rope hinge rigging | |
| CN202298307U (en) | Dual-compaction steel wire rope for rotary digging machine | |
| CN201850455U (en) | High-bearing-capacity hoisting steel wire rope | |
| CN214383859U (en) | High wear-resistant high-speed elevator rope | |
| CN201103070Y (en) | Steel wire rope of express elevator | |
| CN204435060U (en) | The closely knit compound impregnate with bitumen steel wire rope of a kind of railway parallel twisting | |
| CN202144572U (en) | Wire rope for high-rise high-speed elevator | |
| CN102242506A (en) | Steel wire rope for high-rise and high-speed elevator | |
| CN201793990U (en) | Forged steel wire rope for compensating contact line parts | |
| CN205295775U (en) | Novel compaction thigh wire rope | |
| CN202416043U (en) | Metal-cored compacted-strand wire rope for elevators | |
| CN216040391U (en) | Sisal hemp rope core steel wire rope for port | |
| CN214607174U (en) | Wear-resisting corrosion-resistant high-strength copper alloy dropper wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210209 |
|
| RJ01 | Rejection of invention patent application after publication |