CN110684434A - Cable clamp maintenance method - Google Patents
Cable clamp maintenance method Download PDFInfo
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- CN110684434A CN110684434A CN201910961100.3A CN201910961100A CN110684434A CN 110684434 A CN110684434 A CN 110684434A CN 201910961100 A CN201910961100 A CN 201910961100A CN 110684434 A CN110684434 A CN 110684434A
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- parts
- cable clamp
- coating
- maintenance method
- anticorrosive paint
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/22—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers modified by chemical after-treatment
- C09D127/24—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers modified by chemical after-treatment halogenated
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/083—Iron or steel solutions containing H3PO4
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Plant Pathology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides a cable clamp maintenance method, which is characterized in that a construction platform is erected; preparing a surface treating agent: 200 parts of sulfuric acid 150-; preparing an anticorrosive paint: adding 20-30 parts of epoxy resin and 20-30 parts of perchloroethylene resin into 20-40 parts of water, then adding 5 parts of talcum powder and 2 parts of titanium dioxide, then adding 0.6 part of nano silicon dioxide, 6 parts of butyl orthosilicate, 2 parts of film-forming assistant and 1.5 parts of anti-fouling degerming agent, and uniformly stirring; pouring the anticorrosive paint into a container and stirring; and finally, coating the cable clamp with paint.
Description
Technical Field
The invention belongs to the field of bridge maintenance, and particularly relates to a cable clamp maintenance method.
Background
Steel structure engineering is a structure mainly made of steel, and is one of the main building structure types in the modern time. The global steel yield per year exceeds one hundred million tons, the steel equipment scrapped due to corrosion is about 30 percent of the annual yield per year, and how to improve the rust removal and corrosion prevention construction process of the steel structure becomes a problem to be solved urgently. Before the steel beam is subjected to anticorrosive treatment, the surface of the steel beam needs to be derusted, and the traditional derusting method is basically manual beating, polishing and sand blasting, so that the labor intensity is high, and the efficiency is low. The traditional anticorrosive paint is basically a layer and is a shielding layer to prevent the contact between the external environment and the surface of the steel beam, certain metal fillers which are more active than the steel beam are often added into the paint, and when electrolyte permeates into the surface of the steel beam to generate electrochemical corrosion, the metal fillers in the paint are dissolved as sacrificial anodes, so that the steel beam is protected from corrosion.
Disclosure of Invention
The invention aims to provide a maintenance method which is simple in process method, can quickly remove rust on the surface of a cable clamp, and has low labor intensity of workers, high working efficiency and good anti-corrosion performance effect.
In order to solve the above problems, the present invention provides a cable clamp maintenance method.
The technical scheme adopted by the invention is as follows:
a method of maintaining a cable clamp, comprising the steps of:
step 1, building a construction platform;
step 2, preparing a surface treating agent, wherein the surface treating agent comprises the following components in percentage by mass: 200 parts of sulfuric acid 150-;
step 3, preparing an anticorrosive coating, adding 20-30 parts of epoxy resin and 20-30 parts of perchloroethylene resin into 20-40 parts of water, stirring for 30-60 minutes, then adding 5 parts of talcum powder and 2 parts of titanium dioxide, stirring for 1-2 hours, then adding 0.6 part of nano silicon dioxide, 6 parts of n-butyl silicate, 2 parts of a film-forming assistant and 1.5 parts of an anti-fouling degerming agent, and uniformly stirring;
step 4, pouring the anticorrosive paint obtained in the step 2 into a container, adding molding powder with the mass not more than 2% of that of the anticorrosive paint, and stirring for at least 3 minutes;
step 5, continuously stirring the coating, coating the rope clamp with the coating, wherein the coating width is not more than 20cm each time, and the chlorine concentration of the coated surface is ensured to be less than or equal to 50 ppm;
and 6, determining whether the thickness of the coating film meets the requirement, if so, determining that the coating film is qualified, and otherwise, returning to the step 5.
The inventor finds out through a large number of experiments that the anticorrosive coating has good anti-pollution and anticorrosive effects, especially has an antibacterial effect, a formed coating film has good impact resistance, and the anticorrosive coating does not contain elements such as copper, tin, zinc and the like, and does not generate discoloration or generate toxic substances after being used for a long time.
Further, in the step 5, the thickness of the coating film is at least 50 um.
Preferably, the use time of the anticorrosive paint is not more than 8 hours.
Further, in the step 1, after the cable clamp is dried, manual rust removal is adopted, rusted parts are removed completely, and the surface of the base layer is exposed with obvious metal luster to reach St3 level.
Further, the molding powder is epoxy resin powder.
Further, in the step 4, the cable clamp is coated twice, the thickness of the first layer of anticorrosive paint is 25um, the second layer of anticorrosive paint is coated after 5 hours, and the thickness of the second layer of anticorrosive paint is 40 um.
Compared with the prior art, the invention has the following advantages and effects:
1. the anticorrosive coating adopted by the invention has good anti-pollution and anticorrosive effects, especially has an antibacterial effect, and the formed coating has good impact resistance, does not contain elements such as copper, tin, zinc and the like, and does not generate color change or generate toxic substances after being used for a long time.
2. The method has the advantages of simple process, rapid removal of rust on the surface of the cable clamp, low labor intensity of workers, high working efficiency and good corrosion resistance effect.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a flow chart of the present invention;
fig. 2 is a structural view of the bridge of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1: as shown in fig. 1-2, a method for maintaining a cable clamp includes the following steps:
step 1, building a construction platform: the side span 1# and 46# cable clamps, the middle span 21# to 26# suspender are arranged at a lower position (the maximum height is 4 m), a common scaffold is erected as a construction platform, the single-layer height of the scaffold is 1.7 m, and the highest two-layer portal type support is erected for construction; the cable clamps are numbered as No. 2-5, No. 14-20, No. 27-33 and No. 42-45, the height of the hanger rod is higher, the vertical height on the bridge deck reaches 6-29 m, and a climbing vehicle (S-85) is used as a construction platform; the cable clamp is numbered 6-13, 34-41, the height of the suspender is high, the vertical height on the bridge deck reaches 31-56 meters, and an Ultra series 1850SJ straight arm type aerial work platform is selected for construction according to the size on the drawing;
step 2, preparing a surface treating agent, wherein the surface treating agent comprises the following components in percentage by mass: 200 parts of sulfuric acid 150-doped, 55-75 parts of phosphoric acid, 15-35 parts of SDS, 15-35 parts of acetone and 10-30 parts of distilled water, the components are mixed and stirred uniformly, then the surface treating agent is sprayed on the surface of the cable clamp, after 1-2 hours, the cable clamp is washed by clear water, then the cable clamp is dried, and after the cable clamp is dried, manual rust removal is adopted to clean rusted parts, so that the surface of a base layer is exposed with obvious metal luster, and the St3 level is reached;
step 3, preparing an anticorrosive coating, for example, adding 20 parts of epoxy resin and 20 parts of perchloroethylene resin into 20 parts of water, stirring for 30 minutes (or adding 30 parts of epoxy resin and 30 parts of perchloroethylene resin into 40 parts of water, stirring for 60 minutes), then adding 5 parts of talcum powder and 2 parts of titanium dioxide, stirring for 1 hour, then adding 0.6 part of nano-silica, 6 parts of n-butyl silicate, 2 parts of film-forming assistant and 1.5 parts of anti-fouling degerming agent, and uniformly stirring;
step 4, pouring the anticorrosive paint obtained in the step 2 into a container, adding epoxy resin powder with the mass not more than 2% of that of the anticorrosive paint, and stirring for 3 minutes;
step 5, continuously stirring the coating, coating the cable clamp with the coating, wherein the coating width is not more than 20cm each time, the chlorine concentration of the coated surface is ensured to be less than or equal to 50ppm, the cable clamp is coated twice, the thickness of the first layer of anticorrosive coating is 25 micrometers, a second layer of anticorrosive coating is coated after 5 hours, and the thickness of the second layer of anticorrosive coating is 40 micrometers;
and 6, determining whether the coating thickness meets the requirement, wherein the coating thickness is 65um and is more than 50um, and the coating is qualified.
The mixed anticorrosive paint is used within 8 hours, and the rest anticorrosive paint cannot be stored and must be disposed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A cable clamp maintenance method is characterized by comprising the following steps:
step 1, building a construction platform;
step 2, preparing a surface treating agent, wherein the surface treating agent comprises the following components in percentage by mass: 200 parts of sulfuric acid 150-;
step 3, preparing an anticorrosive coating, adding 20-30 parts of epoxy resin and 20-30 parts of perchloroethylene resin into 20-40 parts of water, stirring for 30-60 minutes, then adding 5 parts of talcum powder and 2 parts of titanium dioxide, stirring for 1-2 hours, then adding 0.6 part of nano silicon dioxide, 6 parts of n-butyl silicate, 2 parts of a film-forming assistant and 1.5 parts of an anti-fouling degerming agent, and uniformly stirring;
step 4, pouring the anticorrosive paint obtained in the step 2 into a container, adding molding powder with the mass not more than 2% of that of the anticorrosive paint, and stirring for at least 3 minutes;
step 5, continuously stirring the coating, coating the rope clamp with the coating, wherein the coating width is not more than 20cm each time, and the chlorine concentration of the coated surface is ensured to be less than or equal to 50 ppm;
and 6, determining whether the thickness of the coating film meets the requirement, if so, determining that the coating film is qualified, and otherwise, returning to the step 5.
2. The cable clamp maintenance method according to claim 1, wherein in the step 5, the coating film thickness is at least 50 um.
3. The cable clamp maintenance method according to claim 1, wherein the usage time of the anticorrosive paint is not more than 8 hours.
4. The cable clamp maintenance method according to claim 1, wherein in the step 1, after the cable clamp is dried, rust is removed by hand, so that rusted parts are removed completely, and the surface of the base layer is exposed with obvious metal luster, and the grade St3 is achieved.
5. The cable clamp maintenance method of claim 1, wherein the molding powder is epoxy resin powder.
6. The cable clamp maintenance method according to claim 1, wherein in the step 4, the cable clamp is painted twice, the thickness of the first layer of anticorrosive paint is 25um, and after 5 hours, the second layer of anticorrosive paint is painted, and the thickness of the second layer of anticorrosive paint is 40 um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910961100.3A CN110684434A (en) | 2019-10-11 | 2019-10-11 | Cable clamp maintenance method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910961100.3A CN110684434A (en) | 2019-10-11 | 2019-10-11 | Cable clamp maintenance method |
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| Publication Number | Publication Date |
|---|---|
| CN110684434A true CN110684434A (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910961100.3A Pending CN110684434A (en) | 2019-10-11 | 2019-10-11 | Cable clamp maintenance method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104607375A (en) * | 2015-03-02 | 2015-05-13 | 上海闵轩钢结构工程有限公司 | Rust removal and corrosion prevention construction method for steel structure |
| CN107059106A (en) * | 2017-04-18 | 2017-08-18 | 安徽华辉塑业科技股份有限公司 | A kind of liquid pump blade derusting method |
| CN109796818A (en) * | 2017-11-16 | 2019-05-24 | 扬州万联机械钢构营造有限公司 | A kind of steel beam surface derusting anti-corrosive processing method |
-
2019
- 2019-10-11 CN CN201910961100.3A patent/CN110684434A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104607375A (en) * | 2015-03-02 | 2015-05-13 | 上海闵轩钢结构工程有限公司 | Rust removal and corrosion prevention construction method for steel structure |
| CN107059106A (en) * | 2017-04-18 | 2017-08-18 | 安徽华辉塑业科技股份有限公司 | A kind of liquid pump blade derusting method |
| CN109796818A (en) * | 2017-11-16 | 2019-05-24 | 扬州万联机械钢构营造有限公司 | A kind of steel beam surface derusting anti-corrosive processing method |
Non-Patent Citations (1)
| Title |
|---|
| 赵阔等: "《防锈油脂与气相缓蚀技术》", 30 September 2017, 冶金工业出版社 * |
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Application publication date: 20200114 |