CN108788505B - Internal welding construction method for long cantilever, multi-cavity and small-space linear steel plate composite shear wall - Google Patents
Internal welding construction method for long cantilever, multi-cavity and small-space linear steel plate composite shear wall Download PDFInfo
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- CN108788505B CN108788505B CN201810618448.8A CN201810618448A CN108788505B CN 108788505 B CN108788505 B CN 108788505B CN 201810618448 A CN201810618448 A CN 201810618448A CN 108788505 B CN108788505 B CN 108788505B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
Abstract
The invention relates to an internal welding construction method, mainly provides an internal welding construction method of a long cantilever, multi-cavity and small-space linear steel plate composite shear wall, and belongs to the field of steel structures. The steel bar angle steel truss is formed by welding a steel bar angle steel truss, a steel plate and a square steel pipe. An inner welding construction method of a long cantilever, multi-cavity and small-space straight steel plate combined shear wall is compact in structure, convenient to operate and capable of improving the automation degree.
Description
Technical Field
The invention relates to an internal welding construction method, mainly provides an internal welding construction method of a long cantilever, multi-cavity and small-space linear steel plate composite shear wall, and belongs to the field of steel structures.
Background
The length of the straight steel plate shear wall is not more than 12m, the width of the wall is 550-2800 mm, and the thickness of the wall is 150-200 mm; wall steel plate thickness t is 4 ~ 10mm, and inside angle steel truss interval L is less than or equal to 50t (t is wall steel plate thickness), and the reinforcing bar diameter
The straight-line-shaped steel plate composite shear wall has the advantages that the welding of a plurality of steel angle steel trusses and the welding seams of the top plate and the bottom plate are finished at one time in the internal narrow space, and the welding seams are long, so that the welding construction method has the characteristics of long cantilever, multiple cavities and small space.
Disclosure of Invention
The invention mainly solves the defects in the prior art, and provides the inner welding construction method of the long cantilever, multi-cavity and small-space linear steel plate combined shear wall, which has a compact structure, realizes the precision welding of a small space and has high welding speed.
The technical problem of the invention is mainly solved by the following technical scheme:
an inner welding construction method of a long cantilever, multi-cavity and small-space straight steel plate composite shear wall comprises the following steps:
preparing raw materials of components, wherein the preparation comprises relevant procedures of steel plate blanking and butt joint, steel bar blanking and bending, steel plate groove machining, plug welding hole machining and base plate installation;
secondly, assembling the steel bars and the angle steel on a positioning and clamping device to form a steel bar angle steel truss structure, and then welding the connecting welding seams of the steel bars and the angle steel by adopting resistance welding;
assembling a plurality of groups of steel bar angle trusses, square steel pipes on two sides and a bottom plate on the welding gantry, and completing the fixed-point welding of the steel bar angle trusses, the square steel pipes and the bottom plate by a welding robot;
hoisting the cover plate onto the shear wall assembly subjected to tack welding, compressing the cover plate through a compression wheel at the front end of the gantry to form the I-shaped steel plate shear wall, ensuring that the cover plate is firmly attached to the steel bar truss, meeting the requirements of plug welding and workpiece size, and completing the tack welding of the cover plate and the inner steel bar angle truss and the tack welding of the cover plate and the square steel pipes at two sides;
welding the steel bar angle steel truss inside the I-shaped steel plate shear wall and the fillet weld of the bottom plate by adopting a cantilever inner welding machine configured for welding the gantry;
firstly, extending a welding cantilever into a welding inner space, wherein the cantilever provides a supporting force by a supporting base at the front end of a gantry, and after the cantilever enters the inside of a workpiece, the supporting force is provided by a supporting wheel below each cantilever, and then welding is carried out in a backward mode to gradually complete welding of an inner welding seam;
the welding gantry is provided with a plurality of cantilever heads, and each cantilever is provided with two welding guns;
selecting the number of machine heads which are actually needed according to the number of the steel bar trusses arranged in the actual steel plate composite shear wall, wherein the welding machine heads adopt a mechanical tracking mode to realize the tracking of the welding seam;
the front end of the machine head is provided with two cameras which are mainly used for observing the formation of the welding seam;
welding the cover plate and the outer welding seams of the square steel pipes on the two sides by adopting a cantilever outer welding machine and synchronously welding;
and seventhly, turning the I-shaped steel plate shear wall by 180 degrees, welding the steel bar angle steel truss and the cover plate angle welding seam inside the I-shaped steel plate shear wall by using a cantilever inner welding machine, and welding the bottom plate and the square steel pipe welding seams on two sides by using a cantilever outer welding machine.
Preferably, the welding is stitch welding, and the stitch welding construction steps are as follows:
firstly, at least two layers of jump welding layers are formed, wherein the formation of each layer of jump welding layer comprises the following steps: welding at certain intervals to form a first section of welding layer with equal intervals; welding the interval between the first welding layers to form a second welding layer;
and then, carrying out continuous welding on the top surface of the jump welding layer to form a second continuous welding layer.
Preferably, the size of the fillet weld leg of the inner welding fillet is 4mm, the appearance quality of the weld seam meets the requirement of the quality grade of the secondary weld seam, and the defects related to cracks, electric arc scratches, surface pores and surface slag inclusion are avoided.
Preferably, the welding wire model: ER50-6 with diameter phi of 1.2 mm; protective gas: argon-rich gas (80% Ar + 20% CO 2); welding technological parameters are as follows: the current I is 240-300A; voltage: 28-32V; welding speed: 40-60 cm/min.
The invention has the following effects and advantages:
1) and a cantilever internal welding machine is adopted, so that the welding of the small-space steel bar angle steel truss inside the steel plate shear wall with the bottom and the cover plate is realized.
2) The assembly and welding are carried out on a special welding production line, and the assembly precision of the components is reliable and guaranteed.
3) The welding of main welding seam adopts welding robot to carry out, has replaced manual operation, and degree of automation is high, welding quality is stable, reliable, work efficiency is high.
The invention provides an inner welding construction method of a long cantilever, multi-cavity and small-space linear steel plate combined shear wall, which has the advantages of compact structure, convenience in operation and improvement of automation degree.
Drawings
FIG. 1 is a schematic structural view of a shear wall of the present invention;
fig. 2 is a schematic view of the structure of the weld of the present invention.
1. Angle steel; 2. a cover plate; 3. bending the reinforcing steel bars; 4. a base plate; 5. a square tube; 6. a welding gun head is arranged outside; 7. a gun head of an internal welding machine; 8. and welding a telescopic cantilever in the inner part.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1: as shown in the figure, the internal welding construction method of the long cantilever, multi-cavity and small-space linear steel plate composite shear wall comprises the following steps:
preparing raw materials of components, wherein the preparation comprises relevant procedures of steel plate blanking and butt joint, steel bar blanking and bending, steel plate groove machining, plug welding hole machining and base plate installation;
secondly, assembling the steel bars and the angle steel on a positioning and clamping device to form a steel bar angle steel truss structure, and then welding the connecting welding seams of the steel bars and the angle steel by adopting resistance welding;
assembling a plurality of groups of steel bar angle trusses, square steel pipes on two sides and a bottom plate on the welding gantry, and completing the fixed-point welding of the steel bar angle trusses, the square steel pipes and the bottom plate by a welding robot;
hoisting the cover plate onto the shear wall assembly subjected to tack welding, compressing the cover plate through a compression wheel at the front end of the gantry to form the I-shaped steel plate shear wall, ensuring that the cover plate is firmly attached to the steel bar truss, meeting the requirements of plug welding and workpiece size, and completing the tack welding of the cover plate and the inner steel bar angle truss and the tack welding of the cover plate and the square steel pipes at two sides;
welding the steel bar angle steel truss inside the I-shaped steel plate shear wall and the fillet weld of the bottom plate by adopting a cantilever inner welding machine configured for welding the gantry;
firstly, extending a welding cantilever into a welding inner space, wherein the cantilever provides a supporting force by a supporting base at the front end of a gantry, and after the cantilever enters the inside of a workpiece, the supporting force is provided by a supporting wheel below each cantilever, and then welding is carried out in a backward mode to gradually complete welding of an inner welding seam;
the welding gantry is provided with a plurality of cantilever heads, and each cantilever is provided with two welding guns;
selecting the number of machine heads which are actually needed according to the number of the steel bar trusses arranged in the actual steel plate composite shear wall, wherein the welding machine heads adopt a mechanical tracking mode to realize the tracking of the welding seam;
the front end of the machine head is provided with two cameras which are mainly used for observing the formation of the welding seam;
welding the cover plate and the outer welding seams of the square steel pipes on the two sides by adopting a cantilever outer welding machine and synchronously welding;
and seventhly, turning the I-shaped steel plate shear wall by 180 degrees, welding the steel bar angle steel truss and the cover plate angle welding seam inside the I-shaped steel plate shear wall by using a cantilever inner welding machine, and welding the bottom plate and the square steel pipe welding seams on two sides by using a cantilever outer welding machine.
The welding is skip welding, and the skip welding construction steps are as follows:
firstly, at least two layers of jump welding layers are formed, wherein the formation of each layer of jump welding layer comprises the following steps: welding at certain intervals to form a first section of welding layer with equal intervals; welding the interval between the first welding layers to form a second welding layer;
and then, carrying out continuous welding on the top surface of the jump welding layer to form a second continuous welding layer.
The size of the fillet weld leg of the fillet weld of the inner welding is 4mm, the appearance quality of the weld meets the requirement of the quality grade of the secondary weld, and the defects of cracks, electric arc scratches, surface air holes and surface slag inclusion are avoided.
The type of the welding wire is as follows: ER50-6 with diameter phi of 1.2 mm; protective gas: argon-rich gas (80% Ar + 20% CO 2); welding technological parameters are as follows: the current I is 240-300A; voltage: 28-32V; welding speed: 40-60 cm/min.
Claims (4)
1. An internal welding construction method of a long cantilever, multi-cavity and small-space straight steel plate composite shear wall is characterized by comprising the following steps of:
preparing raw materials of components, wherein the preparation comprises relevant procedures of steel plate blanking and butt joint, steel bar blanking and bending, steel plate groove machining, plug welding hole machining and base plate installation;
secondly, assembling the steel bars and the angle steel on a positioning and clamping device to form a steel bar angle steel truss structure, and then welding the connecting welding seams of the steel bars and the angle steel by adopting resistance welding;
assembling a plurality of groups of steel bar angle trusses, square steel pipes on two sides and a bottom plate on the welding gantry, and completing the fixed-point welding of the steel bar angle trusses, the square steel pipes and the bottom plate by a welding robot;
hoisting the cover plate onto the shear wall assembly subjected to tack welding, compressing the cover plate through a compression wheel at the front end of the gantry to form the I-shaped steel plate shear wall, ensuring that the cover plate is firmly attached to the steel bar truss, meeting the requirements of plug welding and workpiece size, and completing the tack welding of the cover plate and the inner steel bar angle truss and the tack welding of the cover plate and the square steel pipes at two sides;
welding the steel bar angle steel truss inside the I-shaped steel plate shear wall and the fillet weld of the bottom plate by adopting a cantilever inner welding machine configured for welding the gantry;
firstly, extending a welding cantilever into a welding inner space, wherein the cantilever provides a supporting force by a supporting base at the front end of a gantry, and after the cantilever enters the inside of a workpiece, the supporting force is provided by a supporting wheel below each cantilever, and then welding is carried out in a backward mode to gradually complete welding of an inner welding seam;
the welding gantry is provided with a plurality of cantilever heads, and each cantilever is provided with two welding guns;
selecting the number of machine heads which are actually needed according to the number of the steel bar trusses arranged in the actual steel plate composite shear wall, wherein the welding machine heads adopt a mechanical tracking mode to realize the tracking of the welding seam;
the front end of the machine head is provided with two cameras which are mainly used for observing the formation of the welding seam;
welding the cover plate and the outer welding seams of the square steel pipes on the two sides by adopting a cantilever outer welding machine and synchronously welding;
and seventhly, turning the I-shaped steel plate shear wall by 180 degrees, welding the steel bar angle steel truss and the cover plate angle welding seam inside the I-shaped steel plate shear wall by using a cantilever inner welding machine, and welding the bottom plate and the square steel pipe welding seams on two sides by using a cantilever outer welding machine.
2. The inside welding construction method of the long cantilever, multi-cavity and small-space linear steel plate composite shear wall according to claim 1, characterized in that: the welding is skip welding, and the skip welding construction steps are as follows:
firstly, at least two layers of jump welding layers are formed, wherein the formation of each layer of jump welding layer comprises the following steps: welding at certain intervals to form a first section of welding layer with equal intervals; welding the interval between the first welding layers to form a second welding layer;
and then, carrying out continuous welding on the top surface of the jump welding layer to form a second continuous welding layer.
3. The inside welding construction method of the long cantilever, multi-cavity and small-space linear steel plate composite shear wall according to claim 1, characterized in that: the size of the fillet weld leg of the fillet weld of the inner welding is 4mm, the appearance quality of the weld meets the requirement of the quality grade of the secondary weld, and the defects of cracks, electric arc scratches, surface air holes and surface slag inclusion are avoided.
4. The inside welding construction method of the long cantilever, multi-cavity and small-space linear steel plate composite shear wall according to claim 1, characterized in that: the type of the welding wire is as follows: ER50-6 with diameter phi of 1.2 mm; protective gas: argon-rich gas (80% Ar + 20% CO 2); welding technological parameters are as follows: the current I is 240-300A; voltage: 28-32V; welding speed: 40-60 cm/min.
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| CN110340556B (en) * | 2019-07-12 | 2021-03-19 | 浙江东南网架股份有限公司 | Welding construction method for combined component of inverted-Y-shaped steel plate and steel bar angle steel truss |
| CN110340555B (en) * | 2019-07-12 | 2021-03-09 | 浙江东南网架股份有限公司 | Welding construction method for linear multi-cavity steel plate and steel bar angle steel truss combined component |
| CN111730182B (en) * | 2020-06-11 | 2021-11-02 | 中国建筑第八工程局有限公司 | Resistance welding equipment for internal stiffening ribs of double-steel-plate shear wall and welding method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3785041A (en) * | 1971-11-08 | 1974-01-15 | Pipe Line Development Co | Method for plugging pipe |
| CN103551751A (en) * | 2013-10-23 | 2014-02-05 | 长春轨道客车股份有限公司 | Process for synthesizing assembly welding of CRH5 vehicle side wall sectional material |
| CN103894750A (en) * | 2014-04-09 | 2014-07-02 | 中国建筑第八工程局有限公司 | Welding structure and welding construction method for steel plate shear wall |
| CN103921008A (en) * | 2014-04-24 | 2014-07-16 | 浙江大地钢结构有限公司 | Box body interior welding device |
| CN105269163A (en) * | 2014-06-11 | 2016-01-27 | 中建钢构有限公司 | Anti-deformation mounting method of steel plate shear wall in high-rise steel structure |
| CN105839817A (en) * | 2016-05-12 | 2016-08-10 | 浙江东南网架股份有限公司 | Truss type multi-cavity steel plate shear wall and operation method thereof |
| CN205502304U (en) * | 2016-01-23 | 2016-08-24 | 合肥工业大学 | Consolidate double steel plates compound shear wall |
| CN105952032A (en) * | 2016-05-12 | 2016-09-21 | 浙江东南网架股份有限公司 | Multi-cavity steel plate shear wall and operation method thereof |
| CN205688618U (en) * | 2016-05-12 | 2016-11-16 | 浙江东南网架股份有限公司 | A kind of plane reinforcing bar truss-like Multicarity steel plate shear force wall |
| CN108086531A (en) * | 2017-12-25 | 2018-05-29 | 北京千城集成房屋有限公司 | A kind of double steel plate shear wall horizontal joint connection method |
-
2018
- 2018-06-15 CN CN201810618448.8A patent/CN108788505B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3785041A (en) * | 1971-11-08 | 1974-01-15 | Pipe Line Development Co | Method for plugging pipe |
| CN103551751A (en) * | 2013-10-23 | 2014-02-05 | 长春轨道客车股份有限公司 | Process for synthesizing assembly welding of CRH5 vehicle side wall sectional material |
| CN103894750A (en) * | 2014-04-09 | 2014-07-02 | 中国建筑第八工程局有限公司 | Welding structure and welding construction method for steel plate shear wall |
| CN103921008A (en) * | 2014-04-24 | 2014-07-16 | 浙江大地钢结构有限公司 | Box body interior welding device |
| CN105269163A (en) * | 2014-06-11 | 2016-01-27 | 中建钢构有限公司 | Anti-deformation mounting method of steel plate shear wall in high-rise steel structure |
| CN205502304U (en) * | 2016-01-23 | 2016-08-24 | 合肥工业大学 | Consolidate double steel plates compound shear wall |
| CN105839817A (en) * | 2016-05-12 | 2016-08-10 | 浙江东南网架股份有限公司 | Truss type multi-cavity steel plate shear wall and operation method thereof |
| CN105952032A (en) * | 2016-05-12 | 2016-09-21 | 浙江东南网架股份有限公司 | Multi-cavity steel plate shear wall and operation method thereof |
| CN205688618U (en) * | 2016-05-12 | 2016-11-16 | 浙江东南网架股份有限公司 | A kind of plane reinforcing bar truss-like Multicarity steel plate shear force wall |
| CN108086531A (en) * | 2017-12-25 | 2018-05-29 | 北京千城集成房屋有限公司 | A kind of double steel plate shear wall horizontal joint connection method |
Non-Patent Citations (1)
| Title |
|---|
| 钢板剪力墙制作焊接变形分析研究及控制技术;王福胜;《焊接技术》;20170928(第09期);第89-91页 * |
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