CN113210823A - Welding method for urban sculpture steel plate - Google Patents
Welding method for urban sculpture steel plate Download PDFInfo
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- CN113210823A CN113210823A CN202110562362.XA CN202110562362A CN113210823A CN 113210823 A CN113210823 A CN 113210823A CN 202110562362 A CN202110562362 A CN 202110562362A CN 113210823 A CN113210823 A CN 113210823A
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- 238000003466 welding Methods 0.000 title claims abstract description 179
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 59
- 239000010959 steel Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000021384 green leafy vegetables Nutrition 0.000 description 1
Images
Classifications
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/34—Preliminary treatment
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention provides a welding method of an urban sculpture steel plate, which belongs to the technical field of welding and comprises the following steps: step 1, splicing the urban sculpture steel plates to form a to-be-welded seam, and cleaning the to-be-welded seam; step 2, equally dividing the seam to be welded into a plurality of welding seam units along the direction of the seam to be welded, and sequentially carrying out spot welding on equally divided points; step 3, taking one welding seam unit, continuously dividing the welding seam unit into two halves, and performing spot welding on each bisector until each spot welding point of the unit is connected into a section of continuous welding seam; and 4, repeating the operation of the step 3 on other welding line units to be welded until the welding lines to be welded are connected into a continuous welding line, and completing the welding of the urban sculpture steel plates. The welding seam unit is divided into two parts continuously, and spot welding is carried out on the divided points, so that the welding quality of the urban sculpture steel plate in a limited space can be guaranteed, and meanwhile, the urban sculpture is generally high and large, so that spot welding is more suitable for high-altitude operation.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a method for welding an urban sculpture steel plate.
Background
Urban sculpture, sculpture works standing in urban public places. The device plays a role in relieving the phenomena of crowding, jamming, stiffness and singleness caused by building concentration in the cities of standing high buildings and crossing roads, and also plays a role in increasing balance in open places sometimes. Urban sculptures are typically found in public places such as roads, bridges, squares, stations, docks, theaters, parks, greens, government offices, etc., and may exist alone or in combination with buildings. When being under construction to the city sculpture, all can build the steel construction, be equipped with work platform on the steel construction, operating personnel carries out welding operation to the city sculpture on work platform, need make the outward appearance of city sculpture smooth, guarantee the viewing effect, when operating personnel has sufficient working space, can adopt the mode of leading to welding to weld the city sculpture usually, and steel construction and city sculpture leave near the time, operating personnel's working space is limited, it is comparatively inconvenient to adopt to lead to welding, influence the welding effect, and simultaneously, the heat is more concentrated when leading to welding, the difficult control is out of shape.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the urban sculpture is not welded by adopting the through welding in the limited space in the prior art, thereby providing a method for welding the steel plate of the urban sculpture.
In order to solve the technical problem, the invention provides a method for welding an urban sculpture steel plate, which comprises the following steps:
step 3, taking one welding seam unit, continuously dividing the welding seam unit into two halves, and performing spot welding on each bisector until each spot welding point of the unit is connected into a section of continuous welding seam;
and 4, repeating the operation of the step 3 on other welding line units to be welded until the welding lines to be welded are connected into a continuous welding line, and completing the welding of the urban sculpture steel plates.
Optionally, the thickness of the steel plate is 2.5 mm-4 mm, and the distance of the gap between the two steel plates is 1.8 mm-2.2 mm.
Optionally, in the step 2, the length of the welding seam unit is one welding seam unit per 100mm along the seam direction.
Optionally, when the welding seam unit is selected in the step 4, sequential selection or out-of-order selection is performed.
Optionally, the convex part on the welding seam in the step 4 is ground by using an angle grinder until the convex part is flush with the surface of the steel plate.
Optionally, puttying is performed on the position where the scratch is generated on the steel plate.
Optionally, the spot welding is performed by lapping a columnar electrode on a to-be-welded point, the electrode pressure of the columnar electrode is 490N (50Kg), the generated welding current is 6A, and the electrifying time is 0.16 s.
The technical scheme of the invention has the following advantages:
1. when the urban sculpture steel plate is spliced and welded, a to-be-welded seam is divided into a plurality of welding seam units through spot welding, then the welding seam units are divided into two parts continuously, and the divided points are spot welded until the to-be-welded seam is connected into a continuous welding seam, so that the welding of the urban sculpture steel plate is completed. The welding seam unit adopts a welding mode of continuously halving and spot welding the equally divided points, so that the welding quality of the urban sculpture steel plate in a limited space can be ensured, and meanwhile, the urban sculpture is generally higher and larger, so that the spot welding is more suitable for high-altitude operation; the to-be-welded seams between the urban sculpture steel plates have uneven curve shapes or thicknesses of the steel plates, and deformation of the to-be-welded seams can be guaranteed within a controllable range by adopting spot welding.
2. According to the method for welding the urban sculpture steel plate, the length of each welding line unit is 100mm along the direction of the seam, so that the length of each welding line unit is short, each welding line unit is guaranteed to be a straight line segment as far as possible, and deformation during welding is further guaranteed to be controllable.
3. According to the welding method of the urban sculpture steel plate, after a continuous welding line is formed on the welding line, the protruding part on the welding line is polished by using an angle grinder until the protruding part is flush with the surface of the steel plate, and the part on the steel plate where the scratch is generated is subjected to putty coating treatment, so that the smoothness of the joint of the steel plate is ensured, the appearance of the urban sculpture is more attractive, and the ornamental effect is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic flow chart of a welding method for an urban sculpture steel plate according to the present invention;
FIG. 2 is a schematic diagram of an equal part to be welded in step 2 of the welding method for the urban sculpture steel plate according to the present invention;
fig. 3 is a schematic diagram of continuous halving in step 3 of the welding method for the urban sculpture steel plate according to the invention.
Description of reference numerals:
1. welding seams are to be welded; 2. and (7) welding points.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The embodiment provides a specific implementation manner of a welding method of an urban sculpture steel plate, as shown in fig. 1, comprising the following steps:
step 3, taking one welding seam unit, continuously dividing the welding seam unit into two halves, and performing spot welding on each bisector until each spot welding point of the unit is connected into a section of continuous welding seam;
and 4, repeating the operation of the step 3 on other welding line units of the to-be-welded line 1 until the to-be-welded line 1 is connected into a continuous welding line, and completing the welding of the urban sculpture steel plates.
When the urban sculpture steel plate is spliced and welded, the urban sculpture steel plate is spliced to form a to-be-welded seam 1, wherein the thickness of the urban sculpture steel plate used in the embodiment is 2.5 mm-4 mm; and (3) equally dividing the welding line 1 into a plurality of welding line units through spot welding, continuously halving the welding line units respectively, and spot welding the equally divided points until the welding line 1 is connected into a continuous welding line, so as to finish the welding of the urban sculpture steel plates. The welding seam unit adopts a welding mode of continuously halving and spot welding the equally divided points, so that the welding quality of the urban sculpture steel plate in a limited space can be ensured, and meanwhile, the urban sculpture is generally higher and larger, so that the spot welding is more suitable for high-altitude operation; still there is curve shape or the steel sheet thickness inhomogeneous in waiting to weld 1 between the city sculpture steel sheet, adopts spot welding to guarantee to wait that the deformation of weld 1 is in controllable within range.
In the embodiment, the length of each welding line unit is 100mm, so that the length of each welding line unit is short, each welding line unit is guaranteed to be a straight line segment as far as possible, and deformation during welding is further guaranteed to be controllable.
After a welding seam 1 to be welded is equally divided into a plurality of sections by using spot welding, each welding seam unit is continuously halved, when the welding seam unit is selected, taking fig. 2 as an example, the welding seam 1 to be welded is provided with 5 sections of welding seam units which are respectively a section a, a section b, a section c, a section d and a section e, in the selection process, the welding operation can be sequentially performed according to the sequence of the section a, the section b, the section c, the section d and the section e, and the random selection can also be performed, for example, the welding operation can be performed according to the sequence of the section b, the section e, the section a, the section c and the section d, or the welding operation can be performed according to the sequence of the section e, the section c, the section a, the section b and the section d, and the like, the sequence which can be generated is not listed one by one, and the random selection can be performed every time when the welding unit is selected in the welding process, namely, the random selection can be performed in a disorder selection.
As shown in fig. 3, a welding unit a is selected as an example, when a welding unit a is continuously halved, a welding point 2 at a position a and a welding point 2 at a position B which are already welded at two ends of the welding unit a are welded, a half of the welding unit a is selected for spot welding to form a welding point 2 at a position C, a half of the welding point 2 at a position a and the welding point 2 at a position C are spot welded to form a welding point 2 at a position D, a half of the welding point 2 at a position a and the welding point 2 at a position D are spot welded to form a welding point 2 at a position E, so that a continuous welding line is formed between the welding point 2 at a position a and the welding point 2 at a position D, and a continuous welding line is formed between the welding point 2 at a position D and the welding point 2 at a position C; and repeating the welding operation between the welding point 2 at the position D and the welding point 2 at the position B to form a section of continuous welding line between the welding point 2 at the position A and the welding point 2 at the position B, and if a gap exists between every two welding points 2 in the welding process, continuously performing spot welding on half of the welding points until a section of continuous welding line is formed. All the welding seam units adopt the welding operation.
The continuous halving spot welding method can also be adopted after the halving for the to-be-welded seam with uneven curve shape or steel plate thickness, and the deformation controllability of the welded seam can be ensured.
When the welding operation is finished, after a continuous welding line is formed on the welding line 1, the convex part on the welding line is polished by using an angle grinder until the convex part is flushed with the surface of the steel plate, and the position on the steel plate, which generates scratches, is subjected to puttying treatment, so that the smoothness of the joint of the steel plate is ensured, the appearance of the urban sculpture is more attractive, and the ornamental effect is ensured.
In the spot welding in the embodiment, a columnar electrode is lapped on a to-be-welded point, then the columnar electrode is electrified, steel plates on two sides of the to-be-welded point 1 are melted under the action of resistance heat, a welding point 2 is formed after cooling, the electrode pressure of the columnar electrode in the spot welding operation is 490N (50Kg), the generated welding current is 6A, and the electrifying time is 0.16 s.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (7)
1. A method for welding an urban sculpture steel plate is characterized by comprising the following steps:
step 1, splicing the urban sculpture steel plates to form a to-be-welded seam (1), and cleaning the to-be-welded seam (1);
step 2, equally dividing the welding seam (1) to be welded into a plurality of welding seam units along the seam direction of the welding seam (1), and sequentially carrying out spot welding on equally divided points;
step 3, taking one welding seam unit, continuously dividing the welding seam unit into two halves, and performing spot welding on each bisector until each spot welding point of the unit is connected into a section of continuous welding seam;
and 4, repeating the operation of the step 3 on other welding line units of the to-be-welded line (1) until the to-be-welded line (1) is connected into a continuous welding line, and completing the welding of the urban sculpture steel plates.
2. The method for welding urban sculpture steel plates according to claim 1, wherein the thickness of the steel plates is 2.5mm to 4mm, and the distance of the gap between two steel plates is 1.8mm to 2.2 mm.
3. The welding method of urban sculpture steel plates according to claim 1, wherein the welding line unit in step 2 is one welding line unit per 100mm length in the direction of the gap.
4. The method for welding urban sculpture steel plates according to claim 1, wherein the selection of the welding line units in step 4 is performed in sequence or out of sequence.
5. The welding method of an urban sculpture steel plate according to claim 1, wherein the raised portions on the weld joint in step 4 are ground using an angle grinder until they are flush with the surface of the steel plate.
6. The method for welding urban sculpture steel plates according to claim 5, wherein the locations on the steel plates where scratches are made are puttered.
7. The welding method of urban sculpture steel plates according to claim 1, wherein the spot welding is carried out by overlapping a columnar electrode at the point to be welded, the electrode pressure of the columnar electrode is 490N (50Kg), the welding current is generated to be 6A, and the power-on time is 0.16 s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110562362.XA CN113210823A (en) | 2021-05-21 | 2021-05-21 | Welding method for urban sculpture steel plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110562362.XA CN113210823A (en) | 2021-05-21 | 2021-05-21 | Welding method for urban sculpture steel plate |
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| CN113210823A true CN113210823A (en) | 2021-08-06 |
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| CN202110562362.XA Pending CN113210823A (en) | 2021-05-21 | 2021-05-21 | Welding method for urban sculpture steel plate |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006334604A (en) * | 2005-05-31 | 2006-12-14 | Ishikawajima Harima Heavy Ind Co Ltd | Butt welding deformation-experiment test piece |
| CN102275044A (en) * | 2011-07-13 | 2011-12-14 | 铁道部运输局 | Method for welding plate materials |
| CN102294531A (en) * | 2011-08-02 | 2011-12-28 | 唐山轨道客车有限责任公司 | Long weld joint welding process |
| CN103008898A (en) * | 2012-11-29 | 2013-04-03 | 中联重科股份有限公司 | Tack welding method, welding method and welding method for welding box beams |
| CN106271149A (en) * | 2016-08-08 | 2017-01-04 | 东方电气集团东方汽轮机有限公司 | A kind of hollow stationary blade of steam turbine welding method |
| CN107552992A (en) * | 2017-10-27 | 2018-01-09 | 上海振华重工电气有限公司 | Weight pound class arc plate flat fillet weld automatic soldering method |
| CN112518162A (en) * | 2020-11-30 | 2021-03-19 | 上海宝冶冶金工程有限公司 | Alternate type segmented welding-removing anti-deformation method for gas chamber bottom plate |
-
2021
- 2021-05-21 CN CN202110562362.XA patent/CN113210823A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006334604A (en) * | 2005-05-31 | 2006-12-14 | Ishikawajima Harima Heavy Ind Co Ltd | Butt welding deformation-experiment test piece |
| CN102275044A (en) * | 2011-07-13 | 2011-12-14 | 铁道部运输局 | Method for welding plate materials |
| CN102294531A (en) * | 2011-08-02 | 2011-12-28 | 唐山轨道客车有限责任公司 | Long weld joint welding process |
| CN103008898A (en) * | 2012-11-29 | 2013-04-03 | 中联重科股份有限公司 | Tack welding method, welding method and welding method for welding box beams |
| CN106271149A (en) * | 2016-08-08 | 2017-01-04 | 东方电气集团东方汽轮机有限公司 | A kind of hollow stationary blade of steam turbine welding method |
| CN107552992A (en) * | 2017-10-27 | 2018-01-09 | 上海振华重工电气有限公司 | Weight pound class arc plate flat fillet weld automatic soldering method |
| CN112518162A (en) * | 2020-11-30 | 2021-03-19 | 上海宝冶冶金工程有限公司 | Alternate type segmented welding-removing anti-deformation method for gas chamber bottom plate |
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Application publication date: 20210806 |