CN113373714A - Process manufacturing method of ultrahigh-strength steel wire rope for main cable of suspension bridge - Google Patents
Process manufacturing method of ultrahigh-strength steel wire rope for main cable of suspension bridge Download PDFInfo
- Publication number
- CN113373714A CN113373714A CN202110606317.XA CN202110606317A CN113373714A CN 113373714 A CN113373714 A CN 113373714A CN 202110606317 A CN202110606317 A CN 202110606317A CN 113373714 A CN113373714 A CN 113373714A
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- CN
- China
- Prior art keywords
- wire rope
- steel wire
- coating
- manufacturing
- polysulfide sealant
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- 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.)
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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
- 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
- D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/14—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
- D07B1/144—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 cables or cable components built-up from metal wires
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2087—Jackets or coverings being of the coated type
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2088—Jackets or coverings having multiple layers
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2092—Jackets or coverings characterised by the materials used
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/30—Inorganic materials
- D07B2205/3021—Metals
- D07B2205/3025—Steel
-
- 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
- D07B2401/202—Environmental resistance
- D07B2401/2025—Environmental resistance avoiding corrosion
-
- 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
- D07B2501/2015—Construction industries
- D07B2501/203—Bridges
Abstract
The invention discloses a process manufacturing method of an ultrahigh-strength steel wire rope for a main cable of a suspension bridge, which particularly relates to the technical field of steel wire rope manufacturing, and is characterized in that based on steel structure anticorrosion coating, polysulfide sealant, high-strength glass fiber cloth reinforcement technology and fluorocarbon finish characteristics, the steel wire rope for the main cable of the suspension bridge is subjected to triple protection, the first protection is to treat primer and epoxy micaceous iron intermediate paint on the surface of the steel wire rope, corrosion protection provided for the steel wire rope by a bottom coating is mainly based on mechanical shielding isolation protection, the steel wire rope is completely isolated from contacting with the outside, the second protection is to coat three layers of polysulfide sealant on the basis of the first protection by blade coating, and two layers of high-strength glass fiber cloth are wound between the first layer of polysulfide sealant and the second layer of polysulfide sealant, the polysulfide sealant takes liquid polysulfide rubber as a main body material and is matched with tackifying resin, a vulcanizing agent, an accelerator, The sealant made of the reinforcing agent and the like has excellent fuel oil resistance, heat resistance and atmospheric aging resistance.
Description
Technical Field
The invention particularly relates to the technical field of steel wire rope manufacturing, and particularly relates to a process manufacturing method of an ultrahigh-strength steel wire rope for a main cable of a suspension bridge.
Background
Suspension bridges, also known as suspension bridges (suspension bridges), refer to bridges with cables (or steel chains) suspended by pylons and anchored to both banks (or ends of the bridge) as the main load bearing members of the superstructure. The cable geometry is determined by the equilibrium condition of the forces, typically approaching a parabola. A plurality of suspension rods are suspended from the cable to suspend the deck, and stiffening beams are often disposed between the deck and the suspension rods to form a combined system with the cable to reduce deflection deformation caused by loading.
The existing steel wire rope for the main cable of the suspension bridge is corroded by chloride ions in the marine environment, the surface coating is easy to lose efficacy, the steel wire rope structure is easy to corrode, and the steel wire rope is influenced by perennial ultraviolet irradiation, vibration stress and other reasons, shows different degrees of corrosion prevention coating stripping and corrosion, and influences the structural strength of the steel wire rope.
Disclosure of Invention
The invention aims to provide a process manufacturing method of an ultrahigh-strength steel wire rope for a main cable of a suspension bridge, which aims to solve the problems that the conventional steel wire rope for the main cable of the suspension bridge, which is proposed in the background art, is corroded by chloride ions in the marine environment, the surface coating is easy to lose efficacy, the steel wire rope structure is easy to corrode, and the steel wire rope is influenced by perennial ultraviolet irradiation, vibration stress and other reasons, shows different degrees of corrosion prevention coating stripping and corrosion, and influences the structural strength of the steel wire rope.
In order to achieve the purpose, the invention provides the following technical scheme:
a process manufacturing method of an ultrahigh-strength steel wire rope for a main cable of a suspension bridge comprises the following steps:
step 1: preparing a material;
step 2: surface treatment;
and step 3: coating a primer for surface treatment;
and 4, step 4: coating epoxy micaceous iron intermediate paint;
and 5: applying polysulfide sealant;
step 6: wrapping two layers of high-strength glass cloth;
and 7: coating two layers of polysulfide sealant;
and 8: and (4) coating fluorocarbon finish.
Preferably, the step 1: preparing materials, namely adopting a high-strength galvanized steel core steel wire rope with the diameter of 88 mm.
Preferably, the step 2: surface treatment, desalting and deoiling, soaking the returning silk cloth by clean water,scrubbing the steel wire rope with water and repeatedly replacing the wire returning cloth to ensure that the salt content on the surface of the steel wire rope is qualified and meets the requirement of 50mg/m2And standard, scrubbing oil stains on the surface of the steel wire rope by using an oil removing solvent.
Preferably, in the step 2, the rust area of the steel wire rope is derusted to the national standard PS by adopting a grinding machinetAnd 3, removing scale, rust, impurities and the like which are not firmly adhered.
Preferably, the step 3: and (3) coating a primer for surface treatment, drying the surface of the steel wire rope, and then uniformly coating a primer for surface treatment modified epoxy, wherein the film thickness is required to be 70 microns.
Preferably, the step 4: and (3) coating an epoxy micaceous iron intermediate paint, brushing the epoxy micaceous iron intermediate paint by 80 microns after the primer paint is completely cured, and ensuring that the coating is uniform and full.
Preferably, the step 5: and (3) applying polysulfide sealant, and after the intermediate paint coating is completely cured, blade-coating the polysulfide sealant, wherein the film thickness is 800-1000 microns.
Preferably, the step 6: wrapping two layers of high-strength glass cloth, and winding and wrapping (lapping 1/2) by using high-strength glass fiber cloth after the polysulfide sealant is completely cured.
Preferably, the step 7: coating two layers of polysulfide sealant, continuously coating the polysulfide sealant on the surface of the steel wire rope by using the polysulfide sealant after the high-strength glass fiber cloth is sealed, wherein the film thickness is 800-1000 microns, adding 10% of clear water of detergent to shape the outer surface of the sealant, after the polysulfide sealant coated on the upper layer is dried, coating the polysulfide sealant on the steel wire rope by using a scraper in a scraping manner, performing the last construction of the polysulfide sealant, wherein the film thickness is 800-1000 microns, and coating and shaping the polysulfide sealant by using dilute glue for later use.
Preferably, the step 8: and (3) coating fluorocarbon finish, and coating 70 microns of fluorocarbon finish after the polysulfide sealant is cured.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, based on steel structure anticorrosion coating, polysulfide sealant, high-strength glass fiber cloth reinforcement technology and fluorocarbon finish paint characteristics, triple protection is carried out on a steel wire rope for a main cable of a suspension bridge, the first heavy protection is that primer and epoxy micaceous iron intermediate paint treatment are carried out on the surface of the steel wire rope, corrosion protection provided for the steel wire rope by a primer layer is mainly carried out by mechanical shielding isolation protection, the steel wire rope is completely isolated from contacting with the outside, the second heavy protection is that three layers of polysulfide sealant are blade-coated on the basis of the first heavy protection, two layers of high-strength glass fiber cloth are wound between the first layer of polysulfide sealant and the second layer of polysulfide sealant, the polysulfide sealant takes liquid polysulfide rubber as a main body material and is matched with sealants made of tackifying resin, vulcanizing agents, accelerators, reinforcing agents and the like, and the sealant has excellent fuel oil, hydraulic oil, water and various chemical drug performances and heat resistance and atmospheric aging resistance, the high-strength glass fiber cloth is a continuous glass fiber cloth made of special glass through a special process, has the effects of heat insulation, corrosion resistance, tensile resistance and the like, prevents the contact of an external corrosive medium and a steel wire rope through the sealing performance and the bonding performance of polysulfide sealant, wraps and seals the whole steel wire rope through the corrosion resistance of a sealing material, and has the advantages that the fluorocarbon finish paint is coated on the basis of the second protection, the aging and powdering speed of the coating is reduced through the weather resistance of the fluorocarbon finish paint, the isolation effect of paint is increased, and the steel wire rope has good protection quality compared with the traditional steel wire rope on the whole, prevents water, chlorine ions and the like from corroding steel, and has good environmental protection performance and good economic effect.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
In the embodiment of the invention, a process manufacturing method of an ultrahigh-strength steel wire rope for a main cable of a suspension bridge comprises the following steps:
step 1: preparing a material;
step 2: surface treatment;
and step 3: coating a primer for surface treatment;
and 4, step 4: coating epoxy micaceous iron intermediate paint;
and 5: applying polysulfide sealant;
step 6: wrapping two layers of high-strength glass cloth;
and 7: coating two layers of polysulfide sealant;
and 8: and (4) coating fluorocarbon finish.
Preferably, the step 1: preparing materials, namely adopting a high-strength galvanized steel core steel wire rope with the diameter of 88 mm.
Preferably, the step 2: surface treatment, desalting and deoiling, soaking the returning wire cloth with clear water, scrubbing the steel wire rope with water, and repeatedly replacing the returning wire cloth to ensure that the salt content on the surface of the steel wire rope is qualified and meets the requirement of 50mg/m2And standard, scrubbing oil stains on the surface of the steel wire rope by using an oil removing solvent.
Preferably, in the step 2, the rust area of the steel wire rope is derusted to the national standard PS by adopting a grinding machinetAnd 3, removing scale, rust, impurities and the like which are not firmly adhered.
Preferably, the step 3: and (3) coating a primer for surface treatment, drying the surface of the steel wire rope, and then uniformly coating a primer for surface treatment modified epoxy, wherein the film thickness is required to be 70 microns.
Preferably, the step 4: and (3) coating an epoxy micaceous iron intermediate paint, brushing the epoxy micaceous iron intermediate paint by 80 microns after the primer paint is completely cured, and ensuring that the coating is uniform and full.
Preferably, the step 5: and (3) applying polysulfide sealant, and after the intermediate paint coating is completely cured, blade-coating the polysulfide sealant, wherein the film thickness is 800-1000 microns.
Preferably, the step 6: wrapping two layers of high-strength glass cloth, and winding and wrapping (lapping 1/2) by using high-strength glass fiber cloth after the polysulfide sealant is completely cured.
Preferably, the step 7: coating two layers of polysulfide sealant, continuously coating the polysulfide sealant on the surface of the steel wire rope by using the polysulfide sealant after the high-strength glass fiber cloth is sealed, wherein the film thickness is 800-1000 microns, adding 10% of clear water of detergent to shape the outer surface of the sealant, after the polysulfide sealant coated on the upper layer is dried, coating the polysulfide sealant on the steel wire rope by using a scraper in a scraping manner, performing the last construction of the polysulfide sealant, wherein the film thickness is 800-1000 microns, and coating and shaping the polysulfide sealant by using dilute glue for later use.
Preferably, the step 8: and (3) coating fluorocarbon finish, and coating 70 microns of fluorocarbon finish after the polysulfide sealant is cured.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A process manufacturing method of an ultrahigh-strength steel wire rope for a main cable of a suspension bridge is characterized by comprising the following steps: the method comprises the following steps:
step 1: preparing a material;
step 2: surface treatment;
and step 3: coating a primer for surface treatment;
and 4, step 4: coating epoxy micaceous iron intermediate paint;
and 5: applying polysulfide sealant;
step 6: wrapping two layers of high-strength glass cloth;
and 7: coating two layers of polysulfide sealant;
and 8: and (4) coating fluorocarbon finish.
2. The manufacturing method of the ultrahigh-strength steel wire rope for the main cable of the suspension bridge according to claim 1, wherein the manufacturing method comprises the following steps: the step 1: preparing materials, namely adopting a high-strength galvanized steel core steel wire rope with the diameter of 88 mm.
3. The manufacturing method of the ultrahigh-strength steel wire rope for the main cable of the suspension bridge according to claim 1, wherein the manufacturing method comprises the following steps: the step 2: surface treatment, desalting and deoiling, soaking the returning wire cloth with clear water, scrubbing the steel wire rope with water, and repeatedly replacing the returning wire cloth to ensure that the salt content on the surface of the steel wire rope is qualified and meets the requirement of 50mg/m2And standard, scrubbing oil stains on the surface of the steel wire rope by using an oil removing solvent.
4. The manufacturing method of the ultrahigh-strength steel wire rope for the main cable of the suspension bridge according to claim 3, wherein the manufacturing method comprises the following steps: and 2, derusting the rusted area of the steel wire rope to the national standard PS by using a grinding machinetAnd 3, removing scale, rust, impurities and the like which are not firmly adhered.
5. The manufacturing method of the ultrahigh-strength steel wire rope for the main cable of the suspension bridge according to claim 1, wherein the manufacturing method comprises the following steps: the step 3: and (3) coating a primer for surface treatment, drying the surface of the steel wire rope, and then uniformly coating a primer for surface treatment modified epoxy, wherein the film thickness is required to be 70 microns.
6. The manufacturing method of the ultrahigh-strength steel wire rope for the main cable of the suspension bridge according to claim 1, wherein the manufacturing method comprises the following steps: the step 4: and (3) coating an epoxy micaceous iron intermediate paint, brushing the epoxy micaceous iron intermediate paint by 80 microns after the primer paint is completely cured, and ensuring that the coating is uniform and full.
7. The manufacturing method of the ultrahigh-strength steel wire rope for the main cable of the suspension bridge according to claim 1, wherein the manufacturing method comprises the following steps: and step 5: and (3) applying polysulfide sealant, and after the intermediate paint coating is completely cured, blade-coating the polysulfide sealant, wherein the film thickness is 800-1000 microns.
8. The manufacturing method of the ultrahigh-strength steel wire rope for the main cable of the suspension bridge according to claim 1, wherein the manufacturing method comprises the following steps: and 6: wrapping two layers of high-strength glass cloth, and winding and wrapping (lapping 1/2) by using high-strength glass fiber cloth after the polysulfide sealant is completely cured.
9. The manufacturing method of the ultrahigh-strength steel wire rope for the main cable of the suspension bridge according to claim 1, wherein the manufacturing method comprises the following steps: the step 7: coating two layers of polysulfide sealant, continuously coating the polysulfide sealant on the surface of the steel wire rope by using the polysulfide sealant after the high-strength glass fiber cloth is sealed, wherein the film thickness is 800-1000 microns, adding 10% of clear water of detergent to shape the outer surface of the sealant, after the polysulfide sealant coated on the upper layer is dried, coating the polysulfide sealant on the steel wire rope by using a scraper in a scraping manner, performing the last construction of the polysulfide sealant, wherein the film thickness is 800-1000 microns, and coating and shaping the polysulfide sealant by using dilute glue for later use.
10. The manufacturing method of the ultrahigh-strength steel wire rope for the main cable of the suspension bridge according to claim 1, wherein the manufacturing method comprises the following steps: the step 8: and (3) coating fluorocarbon finish, and coating 70 microns of fluorocarbon finish after the polysulfide sealant is cured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110606317.XA CN113373714A (en) | 2021-05-31 | 2021-05-31 | Process manufacturing method of ultrahigh-strength steel wire rope for main cable of suspension bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110606317.XA CN113373714A (en) | 2021-05-31 | 2021-05-31 | Process manufacturing method of ultrahigh-strength steel wire rope for main cable of suspension bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113373714A true CN113373714A (en) | 2021-09-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110606317.XA Withdrawn CN113373714A (en) | 2021-05-31 | 2021-05-31 | Process manufacturing method of ultrahigh-strength steel wire rope for main cable of suspension bridge |
Country Status (1)
| Country | Link |
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| CN (1) | CN113373714A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3831069A1 (en) * | 1988-09-13 | 1990-03-22 | Dyckerhoff & Widmann Ag | Pull member with a sheathing and process for producing it |
| JPH03152283A (en) * | 1989-11-06 | 1991-06-28 | Kobe Steel Ltd | Rust-proofed cable wire for suspension bridge |
| CN1245233A (en) * | 1999-09-15 | 2000-02-23 | 北京航空材料研究院 | Method and structure for protecting primary cable system of suspension bridge |
| CN201228343Y (en) * | 2008-07-14 | 2009-04-29 | 中交第四航务工程局有限公司 | Anti-corrosive safeguard structure of rope-suspension bridge cable system |
| CN201738240U (en) * | 2009-04-10 | 2011-02-09 | 北京航材百慕新材料技术工程股份公司 | Flexible fluorocarbon protective structure of main cable system of suspension bridge |
| CN206438403U (en) * | 2016-12-16 | 2017-08-25 | 徐州中矿安丰工程科技有限公司 | A kind of main rope of suspension bridge sealing protection composite construction |
-
2021
- 2021-05-31 CN CN202110606317.XA patent/CN113373714A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3831069A1 (en) * | 1988-09-13 | 1990-03-22 | Dyckerhoff & Widmann Ag | Pull member with a sheathing and process for producing it |
| JPH03152283A (en) * | 1989-11-06 | 1991-06-28 | Kobe Steel Ltd | Rust-proofed cable wire for suspension bridge |
| CN1245233A (en) * | 1999-09-15 | 2000-02-23 | 北京航空材料研究院 | Method and structure for protecting primary cable system of suspension bridge |
| CN201228343Y (en) * | 2008-07-14 | 2009-04-29 | 中交第四航务工程局有限公司 | Anti-corrosive safeguard structure of rope-suspension bridge cable system |
| CN201738240U (en) * | 2009-04-10 | 2011-02-09 | 北京航材百慕新材料技术工程股份公司 | Flexible fluorocarbon protective structure of main cable system of suspension bridge |
| CN206438403U (en) * | 2016-12-16 | 2017-08-25 | 徐州中矿安丰工程科技有限公司 | A kind of main rope of suspension bridge sealing protection composite construction |
Non-Patent Citations (1)
| Title |
|---|
| 阙家奇等: "海洋环境下悬索桥钢丝绳吊索三胶两布三重防护体系研究与应用", 《公路》 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20210910 |