CN109128725A - A kind of welding for steel structure method - Google Patents
A kind of welding for steel structure method Download PDFInfo
- Publication number
- CN109128725A CN109128725A CN201811334205.8A CN201811334205A CN109128725A CN 109128725 A CN109128725 A CN 109128725A CN 201811334205 A CN201811334205 A CN 201811334205A CN 109128725 A CN109128725 A CN 109128725A
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- welding
- steel construction
- steel
- steel structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention discloses a kind of welding for steel structure methods, by needing the end welded to be immersed in the cleaning liquid and acetic acid mixing liquid that ratio is 100:1 in steel construction, worker impregnates the spot after relaxation and rust stain polishing cleaning to steel structure surface by sand paper, it is rinsed and is air-dried by clear water after cleaning, drilling between steel construction is welded and fixed with screw connection by welding gun by operator, the output end of protective gas container is opened while to welding between steel construction, it is cut by cutting machine the position that screw protrudes from steel structure surface, and it is polished by grinding apparatus welding for steel structure position, keep the surface of steel construction for after smooth shape, one layer of chlorinated rubber paint is coated at welding for steel structure, after being dried to chlorinated rubber paint, the surface layer of steel construction sprays F-C paint again, the surface of F-C paint is coated again anti- Rust oil effectively improves the rust resistance and corrosion resistance effect when use of steel construction later period, improves the fastness of welding for steel structure.
Description
Technical field
The present invention relates to welding for steel structure field, specially a kind of welding for steel structure method.
Background technique
The structure that steel construction is made of steel material is one of main building construction types.Structure is mainly by fashioned iron
With the components composition such as joist steel, steel column, steel truss made of steel plate etc., and using silanization, pure manganese phosphatization, washing drying, zinc-plated
Equal derusting rust-proofings technique.Weld seam, bolt or rivet interlacement are generallyd use between each component or component.Because its self weight is lighter, and apply
Work is easy, is widely used in the fields such as large-sized workshop, venue, Super High.
It there are three types of the connection type of steel construction is general, is welded to connect, is bolted and rivet interlacement.It is welded to connect because having
Any orientation, angle and the shape of steel can be directly connected to, member section, saving steel, simple structure, system are not weakened
It makes conveniently, the rigidity of connection is big, good seal performance, preferably uses automated job, is widely used the advantages that high production efficiency.
Welded connecting is that the heat generated by electric arc makes welding rod and weldment local melting, weld seam is condensed into through cooling, thus by weldment
It links into an integrated entity.In high-temperature soldering cooling procedure, the steel near weld seam are because of high temperature action formation heat affected area, due to not
Uniform high temperature and cooling make structure generate residual stress and residual deformation and become fragile, and to the bearing capacity of steel construction, rigidity and make
There is certain influence with performance.
Since steel construction is in moist and corrosive media environment, it is easy corrosion, especially weld between steel construction
To object load-bearing capacity after being corroded, strong influence is caused to the fastness connected between steel construction.
Summary of the invention
The purpose of the present invention is to provide a kind of welding for steel structure methods, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme: a kind of welding for steel structure method, specifically includes following
Step:
S1, removing surface: the welding for steel structure end for needing to be welded and fixed is immersed in inside cleaning liquid, the steel construction weldering after immersion
It connects end and is polished by grinding apparatus welding position, is dried after clearing up the spot of polishing position；
S2, drilling are fixed: the drilling that steel construction needs welding position to drill through suitable inner diameter by drilling machine, and welded in needs
Two groups of steel constructions are worn the drilling opened up by screw and fixed；
S3, weld preparation: welding rod will be packed into inside welding gun, and to welding rod warm-up operation, the input terminal of welding gun is connected protection
Gas container；
S4, welding for steel structure are fixed: drilling between steel construction is welded and fixed with screw connection after heating to welding rod for welding gun, right
After fixed angle is reinforced between steel construction, the weld seam between steel construction is welded, and same to what is welded between steel construction
When open protective gas container output end, by protective gas container output protection gas to the welding position between steel construction
Protection；
S5, weld protective treatment: coating one layer of chlorinated rubber paint at welding for steel structure, is dried to chlorinated rubber paint
Afterwards, the surface layer of steel construction sprays F-C paint again, coats antirust oil again to the surface of F-C paint.
Preferably, it is blended into acetic acid in S1 inside cleaning solution, the ratio of cleaning solution and acetic acid is 100:1, is welded to steel construction
It connects end and impregnates 15-40min inside cleaning solution.
Preferably, S1 generates the steel construction after immersion by the polishing derusting of sand paper manual operation, and to polishing steel construction
Rust by spray cleaning, and drying is air-dried to cleaning positions.
Preferably, carbon-dioxide protecting gas, and the output of gas shield container are filled in S3 inside gas shield container
It holds corresponding with welding rod.
Preferably, perpendicular when being welded and fixed between S4 steel construction, the inclined drilling to starting between steel construction of screw
Wear fixation, when level is welded and fixed between steel construction, using U-shaped structure screw respectively with need fixed steel construction end face
The drilling opened up is fixed.
Preferably, screw uses mild steel structure setting, and screw passes through steel construction and extends the position of steel construction out by setting
Standby cutting, keeps steel construction end face in same plane.
Preferably, coating chlorinated rubber paint in welding for steel structure position is before beaten welding position by sander in S5
Mill, keeps the finish of steel structure surface.
Preferably, for steel construction when spraying F-C paint, keeping steel construction peripheral temperature is 25 DEG C, humidity 80% in S5.
Compared with prior art, the beneficial effects of the present invention are: the present invention is soaked by the end for needing to weld by steel construction
The 30min in the cleaning liquid and acetic acid mixing liquid that ratio is 100:1 is steeped, the rust stain spot of welding for steel structure position is passed through
Acetate structure impregnate relaxation after, to steel construction take out, worker by sand paper to steel structure surface impregnate relaxation after spot and
Stain of becoming rusty, which is polished, clears up, and is rinsed and is air-dried by clear water after cleaning, while impregnating cleaning to steel construction, welding rod is mounted on welding gun
On welding rod is preheated, drill to the position that needs to weld between steel construction, and bore position is fixed by screw, operation
Drilling between steel construction is welded and fixed with screw connection by welding gun by person, right after reinforcing to fixed angle between steel construction
Weld seam between steel construction is welded, and the output end of protective gas container is opened while to welding between steel construction,
The welding position between steel construction is protected by protective gas container output protection gas, screw protrudes from steel structure surface
Position cuts it by cutting machine, and is polished by grinding apparatus welding for steel structure position, keeps the surface of steel construction to be
After smooth shape, one layer of chlorinated rubber paint is coated at welding for steel structure, after being dried to chlorinated rubber paint, the surface layer of steel construction
F-C paint is sprayed again, antirust oil is coated again to the surface of F-C paint, and antirust when effectively improving the use of steel construction later period is anti-
Corrosive effect improves the fastness of welding for steel structure.
Specific embodiment
Below in conjunction with illustrating in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear
Chu is fully described by, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments shall fall within the protection scope of the present invention.
Embodiment 1
The present invention provides a kind of welding for steel structure methods, specifically includes the following steps:
S1, removing surface: acetic acid is blended into the ratio of installation 100:1 inside steel construction derusting cleaning liquid body, needs to be welded and fixed
Welding for steel structure end be immersed in inside cleaning liquid 15 minutes, the welding for steel structure end after immersion is manually right by sand paper
Welding position polishing, the spot for generation of polishing is sprayed by clear water cleans, and air-dries steel construction location of moisture to drying；
S2, drilling are fixed: according to fixed angle is needed between steel construction, selecting the screw or U-shaped screw of T-shaped, steel knot
Structure needs welding position to drill through the drilling of suitable inner diameter by drilling machine, and perpendicular when being welded and fixed between steel construction, screw is in
Inclination wears fixation to the drilling started between steel construction, when level is welded and fixed between steel construction, using the screw of U-shaped structure
It is fixed respectively with the drilling for needing fixed steel construction end face to open up；
S3, weld preparation: welding rod will be packed into inside welding gun, and to welding rod warm-up operation, the input terminal of welding gun is connected protection
Gas container, is filled with carbon-dioxide protecting gas inside gas shield container, and the output end of gas shield container corresponds to welding gun
Corresponding with welding rod installation place, when welding rod between steel construction to welding, carbon dioxide gas protects welding position, avoids sky
Oxygen in gas enters the position welded between steel construction, and weld is led to problems such as slight crack, bubble occur；
S4, welding for steel structure are fixed: drilling between steel construction is welded and fixed with screw connection after heating to welding rod for welding gun, right
After fixed angle is reinforced between steel construction, the weld seam between steel construction is welded, and same to what is welded between steel construction
When open protective gas container output end, by protective gas container output protection gas to the welding position between steel construction
Protection；
S5, weld protective treatment: after welding between steel construction, the position that screw protrudes from steel structure surface passes through cutting machine
It is cut, and by grinding apparatus to welding for steel structure position polish, keep steel construction surface be smooth shape after, in steel knot
Structure weld coats one layer of chlorinated rubber paint, and after dry to chlorinated rubber paint, keeping the temperature on steel construction periphery is 25 DEG C, humidity
It is 80%, the surface layer of steel construction sprays F-C paint again, coats antirust oil again to the surface of F-C paint.
In summary it is said: steel structure surface being immersed in the cleaning liquid and acetic acid mixing liquid that ratio is 100:1
15min, it is too short to steel construction soaking time, cause spot and rust stain of steel structure surface etc. not to be impregnated completely, needs worker
Either manually or by sand paper to the spot of steel structure surface and rust stain cleaning, welding for steel structure position can not be cleaned out, be caused
When to welding for steel structure, welding position easily occurs being mingled with impurity, influences the fastness welded between steel construction, to influence steel knot
The overall stability of structure.
Embodiment 2
The present invention provides a kind of welding for steel structure methods, specifically includes the following steps:
S1, removing surface: acetic acid is blended into the ratio of installation 100:1 inside steel construction derusting cleaning liquid body, needs to be welded and fixed
Welding for steel structure end be immersed in inside cleaning liquid 40 minutes, the welding for steel structure end after immersion is manually right by sand paper
Welding position polishing, the spot for generation of polishing is sprayed by clear water cleans, and air-dries steel construction location of moisture to drying；
S2, drilling are fixed: according to fixed angle is needed between steel construction, selecting the screw or U-shaped screw of T-shaped, steel knot
Structure needs welding position to drill through the drilling of suitable inner diameter by drilling machine, and perpendicular when being welded and fixed between steel construction, screw is in
Inclination wears fixation to the drilling started between steel construction, when level is welded and fixed between steel construction, using the screw of U-shaped structure
It is fixed respectively with the drilling for needing fixed steel construction end face to open up；
S3, weld preparation: welding rod will be packed into inside welding gun, and to welding rod warm-up operation, the input terminal of welding gun is connected protection
Gas container, is filled with carbon-dioxide protecting gas inside gas shield container, and the output end of gas shield container corresponds to welding gun
Corresponding with welding rod installation place, when welding rod between steel construction to welding, carbon dioxide gas protects welding position, avoids sky
Oxygen in gas enters the position welded between steel construction, and weld is led to problems such as slight crack, bubble occur；
S4, welding for steel structure are fixed: drilling between steel construction is welded and fixed with screw connection after heating to welding rod for welding gun, right
After fixed angle is reinforced between steel construction, the weld seam between steel construction is welded, and same to what is welded between steel construction
When open protective gas container output end, by protective gas container output protection gas to the welding position between steel construction
Protection；
S5, weld protective treatment: after welding between steel construction, the position that screw protrudes from steel structure surface passes through cutting machine
It is cut, and by grinding apparatus to welding for steel structure position polish, keep steel construction surface be smooth shape after, in steel knot
Structure weld coats one layer of chlorinated rubber paint, and after being dried to chlorinated rubber paint, keeping the temperature on steel construction periphery is 25 DEG C,
Humidity is 80%, and the surface layer of steel construction sprays F-C paint again, coats antirust oil again to the surface of F-C paint.
In summary described: steel structure surface to be immersed in the cleaning liquid and acetic acid mixing liquid that ratio is 100:1
40min causes to cause inside cleaning liquid when impregnating steel construction due to having the acetic acid of certain content in cleaning liquid
Acetic acid affects to welding for steel structure position sour corrosion to the steel construction density being immersed in inside cleaning liquid,
When worker impregnates position sanding operation to steel construction by sand paper, easily because worker is excessive to immersion position polishing dynamics or polishing
Overlong time and cause the surface of steel construction to be worn seriously, influence to the welding between steel construction, after reducing welding for steel structure
Service life.
Embodiment 3
A kind of welding for steel structure method, specifically includes the following steps:
S1, removing surface: acetic acid is blended into the ratio of installation 100:1 inside steel construction derusting cleaning liquid body, needs to be welded and fixed
Welding for steel structure end be immersed in inside cleaning liquid 30 minutes, the welding for steel structure end after immersion is manually right by sand paper
Welding position polishing, the spot for generation of polishing is sprayed by clear water cleans, and air-dries steel construction location of moisture to drying；
S2, drilling are fixed: according to fixed angle is needed between steel construction, selecting the screw or U-shaped screw of T-shaped, steel knot
Structure needs welding position to drill through the drilling of suitable inner diameter by drilling machine, and perpendicular when being welded and fixed between steel construction, screw is in
Inclination wears fixation to the drilling started between steel construction, when level is welded and fixed between steel construction, using the screw of U-shaped structure
It is fixed respectively with the drilling for needing fixed steel construction end face to open up；
S3, weld preparation: welding rod will be packed into inside welding gun, and to welding rod warm-up operation, the input terminal of welding gun is connected protection
Gas container, is filled with carbon-dioxide protecting gas inside gas shield container, and the output end of gas shield container corresponds to welding gun
Corresponding with welding rod installation place, when welding rod between steel construction to welding, carbon dioxide gas protects welding position, avoids sky
Oxygen in gas enters the position welded between steel construction, and weld is led to problems such as slight crack, bubble occur；
S4, welding for steel structure are fixed: drilling between steel construction is welded and fixed with screw connection after heating to welding rod for welding gun, right
After fixed angle is reinforced between steel construction, the weld seam between steel construction is welded, and same to what is welded between steel construction
When open protective gas container output end, by protective gas container output protection gas to the welding position between steel construction
Protection；
S5, weld protective treatment: after welding between steel construction, the position that screw protrudes from steel structure surface passes through cutting machine
It is cut, and by grinding apparatus to welding for steel structure position polish, keep steel construction surface be smooth shape after, in steel knot
Structure weld coats one layer of chlorinated rubber paint, and after being dried to chlorinated rubber paint, the surface layer of steel construction sprays F-C paint again,
Antirust oil is coated again to the surface of F-C paint.
In summary described: to need the end welded to be immersed in the cleaning liquid and acetic acid that ratio is 100:1 in steel construction
30min in mixing liquid takes steel construction after the rust stain spot of welding for steel structure position is impregnated relaxation by acetate structure
Out, worker impregnates the spot after relaxation and rust stain polishing cleaning to steel structure surface by sand paper, is rushed after cleaning by clear water
Wash it is air-dried, to steel construction impregnate clear up while, welding rod is mounted on welding gun, welding rod is preheated, between steel construction
The position drilling for needing to weld, and fixes bore position by screw, operator by welding gun to drilling between steel construction and
Screw connection is welded and fixed, and after reinforcing to fixed angle between steel construction, welds to the weld seam between steel construction, and
To the output end for opening protective gas container while welding between steel construction, pass through protective gas container output protection gas pair
Welding position protection between steel construction, it is cut by cutting machine in the position that screw protrudes from steel structure surface, and passes through
Grinding apparatus polishes to welding for steel structure position, and keeping the surface of steel construction is the coating one at welding for steel structure after smooth shape
Layer chlorinated rubber paint, after being dried to chlorinated rubber paint, the surface layer of steel construction sprays F-C paint again, to the surface of F-C paint
Antirust oil is coated again, is effectively improved the rust resistance and corrosion resistance effect when use of steel construction later period, is improved the secured of welding for steel structure
Property.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of welding for steel structure method, it is characterised in that: specifically includes the following steps:
S1, removing surface: the welding for steel structure end for needing to be welded and fixed is immersed in inside cleaning liquid, the steel construction weldering after immersion
It connects end and is polished by grinding apparatus welding position, is dried after clearing up the spot of polishing position；
S2, drilling are fixed: the drilling that steel construction needs welding position to drill through suitable inner diameter by drilling machine, and welded in needs
Two groups of steel constructions are worn the drilling opened up by screw and fixed；
S3, weld preparation: welding rod will be packed into inside welding gun, and to welding rod warm-up operation, the input terminal of welding gun is connected protection
Gas container；
S4, welding for steel structure are fixed: drilling between steel construction is welded and fixed with screw connection after heating to welding rod for welding gun, right
After fixed angle is reinforced between steel construction, the weld seam between steel construction is welded, and same to what is welded between steel construction
When open protective gas container output end, by protective gas container output protection gas to the welding position between steel construction
Protection；
S5, weld protective treatment: coating one layer of chlorinated rubber paint at welding for steel structure, is dried to chlorinated rubber paint
Afterwards, the surface layer of steel construction sprays F-C paint again, coats antirust oil again to the surface of F-C paint.
2. a kind of welding for steel structure method according to claim 1, it is characterised in that: be blended into vinegar in S1 inside cleaning solution
The ratio of acid, cleaning solution and acetic acid is 100:1, and 15-40min is impregnated inside cleaning solution to welding for steel structure end.
3. a kind of welding for steel structure method according to claim 1, it is characterised in that: S1 passes through the steel construction after immersion
The polishing derusting of sand paper manual operation, and the rust generated to polishing steel construction passes through spray cleaning, and air-dries drying to cleaning positions.
4. a kind of welding for steel structure method according to claim 1, it is characterised in that: filled inside gas shield container in S3
Enter carbon-dioxide protecting gas, and the output end of gas shield container is corresponding with welding rod.
5. a kind of welding for steel structure method according to claim 1, it is characterised in that: perpendicular welding between S4 steel construction
When fixed, screw is inclined to wear fixation to the drilling started between steel construction, when level is welded and fixed between steel construction, uses
The screw of U-shaped structure is fixed with the drilling for needing fixed steel construction end face to open up respectively.
6. a kind of welding for steel structure method according to claim 5, it is characterised in that: screw is set using low-carbon steel construction
It sets, screw is cut across the position that steel construction extends steel construction out by equipment, keeps steel construction end face in same plane.
7. a kind of welding for steel structure method according to claim 1, it is characterised in that: applied in S5 to welding for steel structure position
It is polished by sander before covering chlorinated rubber paint welding position, keeps the finish of steel structure surface.
8. a kind of welding for steel structure method according to claim 1, it is characterised in that: steel construction is in spraying F-C paint in S5
When, keeping steel construction peripheral temperature is 25 DEG C, humidity 80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811334205.8A CN109128725A (en) | 2018-11-09 | 2018-11-09 | A kind of welding for steel structure method |
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| CN201811334205.8A CN109128725A (en) | 2018-11-09 | 2018-11-09 | A kind of welding for steel structure method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109746584A (en) * | 2019-03-21 | 2019-05-14 | 风范绿色建筑（常熟）有限公司 | A kind of welding for steel structure anti-corrosive technology |
| CN111408857A (en) * | 2019-12-25 | 2020-07-14 | 丽水市正阳电力设计院有限公司 | Treatment method for weather-resistant steel welding seam |
| CN115847100A (en) * | 2023-02-28 | 2023-03-28 | 江门市润宇传感器科技有限公司 | Welding equipment and welding method for anti-corrosion shell |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109746584A (en) * | 2019-03-21 | 2019-05-14 | 风范绿色建筑（常熟）有限公司 | A kind of welding for steel structure anti-corrosive technology |
| CN111408857A (en) * | 2019-12-25 | 2020-07-14 | 丽水市正阳电力设计院有限公司 | Treatment method for weather-resistant steel welding seam |
| CN115847100A (en) * | 2023-02-28 | 2023-03-28 | 江门市润宇传感器科技有限公司 | Welding equipment and welding method for anti-corrosion shell |
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Application publication date: 20190104 |