CN116441868A - Processing method of pentagonal-to-quadrilateral double-cavity special-shaped column with embedded drain pipe - Google Patents
Processing method of pentagonal-to-quadrilateral double-cavity special-shaped column with embedded drain pipe Download PDFInfo
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- CN116441868A CN116441868A CN202310542820.2A CN202310542820A CN116441868A CN 116441868 A CN116441868 A CN 116441868A CN 202310542820 A CN202310542820 A CN 202310542820A CN 116441868 A CN116441868 A CN 116441868A
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- 238000003672 processing method Methods 0.000 title claims abstract description 13
- 238000003466 welding Methods 0.000 claims abstract description 105
- 238000005192 partition Methods 0.000 claims abstract description 58
- 238000005520 cutting process Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000005452 bending Methods 0.000 claims description 15
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 14
- 239000001569 carbon dioxide Substances 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 11
- 238000012937 correction Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009530 blood pressure measurement Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 239000002932 luster Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000007704 transition Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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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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Abstract
The invention relates to a processing method of a pentagonal-to-quadrilateral double-cavity special-shaped column of an embedded drain pipe, belonging to the technical field of steel structures, comprising the following operation steps: the first step: and (3) blanking is performed by adopting a bent steel plate, and meanwhile, cutting and blanking are performed on the diaphragm plate. And a second step of: the cutting hardening layer on the periphery of the welding line of the plate should be firstly polished and removed. And a third step of: and welding and fixing the longitudinal partition plates on the bottom plate. Fourth step: and welding and fixing the diaphragm plate and the bottom plate and the diaphragm plate and the longitudinal diaphragm plate. Fifth step: and welding the connection welding seams of the side web plates and the diaphragm plates and the connection welding seams of the side web plates and the bottom plate. Sixth step: the drain pipes in the cavities at two sides are laid, and the drain pipes penetrate through the drain pipe assembly holes. And seventh step. And welding the connection welding seams of the end plates, the side webs, the longitudinal partition plates and the bottom plate. Eighth step: welding the connection weld joints of the top plate, the end plates, the longitudinal partition plates and the side webs; ninth step: and then carrying out main welding. Deformation is avoided in the manufacturing process, and the welding quality of the whole column body is effectively improved.
Description
Technical Field
The invention relates to the technical field of steel structures, in particular to a processing method of a pentagonal-to-quadrilateral double-cavity special-shaped column with a buried drain pipe.
Background
In recent years, with the continuous promotion of the construction investment of the public transportation hub, in particular to airports, railway stations and the like, and the great improvement of the current steel structure technology, the steel structure has more and more novel shape and the variable cross section special-shaped steel column is generated. In order to meet the coordination and unification of architectural modeling decoration, more and more designers embed water supply and drainage pipes in the interior of the steel column.
Therefore, the precision of manufacturing, assembling and welding of the components is required to be high, the internal structure of the steel column is complex, the space is very narrow, the thickness of the steel plate is large, the steel plate is difficult to assemble when the conventional assembling process is used, a great deal of time is required, and the accumulated errors often lead to the fact that the correct installation cannot be carried out on site.
Disclosure of Invention
The invention mainly solves the defects existing in the prior art, and provides a processing method of the pentagonal-to-quadrilateral double-cavity special-shaped column with the embedded drain pipe, which improves the integral structural strength of the node, avoids deformation in the manufacturing process, effectively improves the welding quality of the whole column, and ensures the attractiveness of the component. The natural transition from pentagon to quadrilateral is realized, and the drainage pipeline is pre-buried in advance in the factory processing stage.
The technical problems of the invention are mainly solved by the following technical proposal:
the processing method of the pentagonal-to-quadrilateral double-cavity special-shaped column with the drain pipe comprises a double-cavity special-shaped column with the drain pipe, wherein the front end of the double-cavity special-shaped column is of a pentagonal structure, the rear end of the double-cavity special-shaped column is of a quadrilateral structure, a longitudinal partition plate is arranged in the double-cavity special-shaped column, drain pipes extending out of the upper end of the rear part of the double-cavity special-shaped column are arranged at two side ends of the longitudinal partition plate, and an end plate integrally welded with the double-cavity special-shaped column is arranged at the rear end of the double-cavity special-shaped column. The double-cavity special-shaped column comprises a bottom plate which is welded with the longitudinal partition plate in a vertical mode, side webs are arranged on two sides of the bottom plate, a top plate is arranged between two sides of the upper end of the longitudinal partition plate and the side webs, a plurality of transverse partition plates are arranged between two sides of the longitudinal partition plate and the side webs, and drain pipe assembly holes which are sleeved with drain pipes in a penetrating mode are formed in the transverse partition plates.
The processing method comprises the following operation steps:
the first step: and blanking the longitudinal partition plates, the side webs, the top plate and the bottom plate by adopting a bending steel plate, cutting and blanking the transverse partition plates, and finishing the perforating process of the assembly holes of the drain pipes on the transverse partition plates, and bending and forming the side webs and the top plate after blanking.
And a second step of: before the double-cavity special-shaped column is assembled, welded and formed, the cutting hardening layers on the peripheries of welding seams of the longitudinal partition plates, the side webs, the top plates, the transverse partition plates and the bottom plates are firstly polished and removed.
And a third step of: and placing the bottom plate on an assembling jig frame, assembling positioning lines according to the longitudinal partition plates on the bottom plate, and welding and fixing the longitudinal partition plates.
Fourth step: and (3) assembling a positioning line according to the diaphragm plate on the bottom plate, and welding and fixing the diaphragm plate and the bottom plate and the diaphragm plate and the longitudinal diaphragm plate.
Fifth step: and the lateral web is clamped by a fixture and then is subjected to pressure positioning, so that the diaphragm plate is tightly attached to the web, and the welding seams of the lateral web, the diaphragm plate and the lateral web and the bottom plate are welded by carbon dioxide arc welding.
Sixth step: the drain pipes in the cavities at two sides are laid, and the drain pipes penetrate through the drain pipe assembly holes.
Seventh step: and assembling end plates at the ends of the double-cavity special-shaped columns, and welding connection welding seams of the end plates, the side webs, the longitudinal partition plates and the bottom plates by adopting CO2 gas shielded welding.
Eighth step: and when the top plate is assembled, welding the connecting weld joints of the top plate, the end plates, the longitudinal partition plates and the side webs by adopting carbon dioxide gas shielded welding.
Ninth step: and then, carrying out main welding seam welding on the assembled double-cavity special-shaped column, and adopting a combined method of carbon dioxide gas shielded welding and submerged arc welding, namely, carbon dioxide gas shielded welding bottoming, submerged arc welding filling and capping welding.
Preferably, after the side web plates and the top plate are fed by a numerical control gas cutting machine, the side web plates and the top plate are bent and formed on an oil press, and the longitudinal partition plates and the bottom plate are directly fed by the numerical control gas cutting machine for forming.
Preferably, the bending and torsion forming process comprises the steps of firstly carrying out solid modeling according to space coordinate points of the special-shaped columns, then adopting special software to unfold all the wall plates to generate blanking parameters, then adopting a numerical control cutting machine to carry out blanking, drawing forming control lines on the wall plates, then adopting an oil press to carry out compression forming according to the forming control lines, and ensuring the bending and torsion forming quality of the wall plates along with pressure measurement.
Preferably, impurities which affect welding quality, such as rust, moisture, oil stains and the like, are removed from the groove surfaces of the longitudinal partition plates, the side webs, the top plates, the transverse partition plates and the bottom plates within 30mm from the edges of the grooves, and the welding quality is presented with metallic luster.
Preferably, when the top plate is assembled, the opening of the double-cavity special-shaped column adopts a pentagonal structure with the butt joint part, the opening of the front end of the double-cavity special-shaped column is tightly jacked by a jack, the top plate is placed on the diaphragm plate and the end plate, part of welding seams of the diaphragm plate are welded in a manner that manual holes are formed in the top plate, and manual repair welding is performed after the welding is completed.
Preferably, the upper ends of the front parts of the side webs are provided with limiting clamping plates which are welded with the side webs in an integrated manner, and the limiting clamping plates are connected with the double-cavity special-shaped column limiting clamping pipeline of the drain pipe embedded in the front section.
Preferably, the inner walls of the front ends of the double-cavity special-shaped columns are respectively provided with a lining plate which is integrated with the side web plates, the top plate and the bottom plate and is used for welding pipelines, and the lining plate is attached to the side web plates, the top plate and the bottom plate according to the drawn lining assembly positioning lines and fixed by positioning welding.
Preferably, the main welding seam is used for preheating the range of 1.5 times of the plate thickness at the two sides of the groove to about 100 ℃ and not less than 100mm, when the multi-layer multi-pass welding is carried out, the welding slag and the surface splashes on the surface are timely removed after each welding seam is finished, and when the welding seam is required to be subjected to dehydrogenation treatment after welding, the heating temperature is 250-350 ℃, and the heat preservation is carried out for 1-2 hours.
Preferably, the double-cavity special-shaped column is corrected by adopting a local heating method after being welded, the temperature for local heating correction is preferably 700-800 ℃, the highest strictly forbidden temperature exceeds 900 ℃, and the water shock cooling is strictly forbidden after the heating correction; the correction of the bending rise of the double-cavity special-shaped column adopts a strip heating method, heating strips are reasonably distributed according to correction quantity, and the width of the heating strips is 20-30 mm.
The invention can achieve the following effects:
compared with the prior art, the processing method of the pentagonal-to-quadrilateral double-cavity special-shaped column with the embedded drain pipe improves the overall structural strength of the node, avoids deformation in the manufacturing process, effectively improves the welding quality of the whole column, and ensures the attractiveness of the component. The natural transition from pentagon to quadrilateral is realized, and the drainage pipeline is pre-buried in advance in the factory processing stage.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the invention with the top plate removed.
Fig. 3 is a schematic view of an assembled structure of the vertical separator of the present invention.
Fig. 4 is a schematic view of an assembled structure of the diaphragm plate of the present invention.
Fig. 5 is a schematic view of an assembled structure of a side web of the present invention.
Fig. 6 is a schematic view of an assembled structure of the drain pipe of the present invention.
Fig. 7 is a schematic view of an assembled structure of the top plate of the present invention.
In the figure: the special-shaped column comprises a double-cavity special-shaped column 1, a drain pipe 2, an end plate 3, a longitudinal partition plate 4, a lining plate 5, a limiting clamping plate 6, a side web 7, a top plate 8, a diaphragm plate 9, a bottom plate 10, an assembling jig frame 11 and drain pipe assembly holes 12.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
Examples: as shown in fig. 1-7, a processing method of a pentagonal-to-quadrilateral double-cavity special-shaped column with a drain pipe is provided, the double-cavity special-shaped column structure with the drain pipe comprises a double-cavity special-shaped column 1, the front end of the double-cavity special-shaped column 1 is of a pentagonal structure, the rear end of the double-cavity special-shaped column 1 is of a quadrilateral structure, a longitudinal partition plate 4 is arranged in the double-cavity special-shaped column 1, drain pipes 2 extending out of the upper rear end of the double-cavity special-shaped column 1 are arranged at two side ends of the longitudinal partition plate 4, and an end plate 3 integrally welded with the double-cavity special-shaped column 1 is arranged at the rear end of the double-cavity special-shaped column 1. The double-cavity special-shaped column 1 comprises a bottom plate 10 which is vertically welded with the longitudinal partition plate 4, side webs 7 are arranged on two sides of the bottom plate 10, limiting clamping plates 6 which are integrally welded with the side webs 7 are arranged at the upper ends of the front parts of the side webs 7, and a double-cavity special-shaped column limiting clamping pipeline of a drain pipe is buried in a front section through the limiting clamping plates 6. A top plate 8 is arranged between the two sides of the upper end of the longitudinal partition plate 4 and the side web plates 7, 4 transverse partition plates 9 are arranged between the two sides of the longitudinal partition plate 4 and the side web plates 7, and the transverse partition plates 9 are provided with drain pipe assembly holes 12 which are in penetrating sleeve joint with the drain pipes 2. The inner wall of the front end of the double-cavity special-shaped column 1 is respectively provided with a lining plate 5 which is integrated with a side web 7, a top plate 8 and a bottom plate 10 and is used for welding pipelines, and the lining plate 5 is attached to the side web 7, the top plate 8 and the bottom plate 10 according to drawn lining assembly positioning lines and fixed by positioning welding.
The processing method comprises the following operation steps:
the first step: the bending forming process comprises the steps of firstly carrying out solid modeling according to space coordinate points of the special-shaped columns, then adopting special software to unfold all the wall plates to generate blanking parameters, then adopting a numerical control cutting machine to carry out blanking, drawing forming control lines on the wall plates, then adopting an oil press to carry out compression forming according to the forming control lines, and ensuring the bending forming quality of the wall plates along with pressure measurement.
The longitudinal partition plate 4, the side web plates 7, the top plate 8 and the bottom plate 10 are fed by adopting a bending steel plate, after the side web plates 7 and the top plate 8 are fed by adopting a numerical control gas cutting machine, the longitudinal partition plate 4 and the bottom plate 10 are subjected to bending forming on an oil press, and the longitudinal partition plate 4 and the bottom plate 10 are directly fed by adopting the numerical control gas cutting machine. And simultaneously cutting and blanking the diaphragm plate 9 and finishing the perforating process of the drain pipe assembly hole 12 on the diaphragm plate 9.
And a second step of: before the double-cavity special-shaped column 1 is assembled, welded and formed, the cutting hardening layers on the peripheries of welding seams of the longitudinal partition plates 4, the side webs 7, the top plates 8, the transverse partition plates 9 and the bottom plates 10 are firstly polished and removed. And impurities which affect welding quality, such as rust, moisture, oil stains and the like, are avoided within the range of 30mm from the groove surfaces of the longitudinal partition plates 4, the side webs 7, the top plates 8, the transverse partition plates 9 and the bottom plates 10 to the groove edges, and the welding quality is presented with metallic luster.
And a third step of: the base plate 10 is placed on the assembling jig frame 11, positioning lines are assembled according to the longitudinal partition plates 4 on the base plate 10, and the longitudinal partition plates 4 are welded and fixed.
Fourth step: the positioning lines are assembled according to the diaphragm plates 9 on the bottom plate 10, and the diaphragm plates 9 and the bottom plate 10 and the diaphragm plates 9 and the longitudinal diaphragm plates 4 are welded and fixed.
Fifth step: the lateral web 7 is clamped by a fixture and then is subjected to pressure positioning, so that the diaphragm plate is tightly attached to the web, and the welding seams of the lateral web 7, the diaphragm plate 9 and the lateral web 7 and the bottom plate 10 are welded by carbon dioxide arc welding.
Sixth step: the drain pipes 2 in the cavities at the two sides are laid, and the drain pipes 2 penetrate through the drain pipe assembly holes 12.
Seventh step: the end plate 3 at the end part of the double-cavity special-shaped column 1 is assembled, and the joint welding seams of the end plate 3, the side web 7, the longitudinal partition 4 and the bottom plate 10 are welded by adopting CO2 gas shielded welding.
Eighth step: and when the top plate 8 is assembled, welding seams between the top plate 8 and the end plates 3, the longitudinal partition plates 4 and the side webs 7 are welded by adopting carbon dioxide gas shielded welding. When the top plate 8 is assembled, the opening of the double-cavity special-shaped column 1 is in a pentagon structure with the butt joint part, the opening of the front end of the double-cavity special-shaped column 1 is tightly jacked by a jack, the top plate 8 is placed on the diaphragm plate 9 and the end plate 3, the welding seam of part of the diaphragm plate 9 is welded in a mode that a manual hole is formed in the top plate 8, and after the welding is completed, manual repair welding is performed.
Ninth step: and then, carrying out main welding seam welding on the assembled double-cavity special-shaped column 1, and adopting a combined method of carbon dioxide gas shielded welding and submerged arc welding, namely, carbon dioxide gas shielded welding bottoming, submerged arc welding filling and capping welding.
And preheating the two sides of the groove to about 100 ℃ in the range of 1.5 times of the plate thickness and not less than 100mm by using the main welding seam welding, removing welding slag and surface splashes on the surface in time after each welding seam is finished during multi-layer and multi-pass welding, and keeping the temperature for 1-2 hours at the heating temperature of 250-350 ℃ when the welding seam is subjected to dehydrogenation treatment after welding.
The double-cavity special-shaped column 1 is corrected by adopting a local heating method after being welded, the temperature for local heating correction is preferably 700-800 ℃, the highest strictly forbidden temperature exceeds 900 ℃, and the water shock cooling is strictly forbidden after the heating correction; the correction of the bending rise of the double-cavity special-shaped column 1 adopts a strip heating method, heating strips are reasonably distributed according to correction quantity, and the width of the heating strips is 20-30 mm.
In summary, the processing method of the pentagonal-to-quadrilateral double-cavity special-shaped column of the embedded drain pipe improves the overall structural strength of the node, avoids deformation in the manufacturing process, effectively improves the welding quality of the whole column, and ensures the attractiveness of the component. The natural transition from pentagon to quadrilateral is realized, and the drainage pipeline is pre-buried in advance in the factory processing stage.
The above embodiments are merely examples of the present invention, but the present invention is not limited thereto, and any changes or modifications made by those skilled in the art are included in the scope of the present invention.
Claims (9)
1. A processing method of a pentagonal-quadrilateral double-cavity special-shaped column with a buried drain pipe is characterized by comprising the following steps of: the double-cavity special-shaped column structure with the drain pipe comprises a double-cavity special-shaped column (1), the front end of the double-cavity special-shaped column (1) is of a pentagonal structure, the rear end of the double-cavity special-shaped column (1) is of a quadrilateral structure, a longitudinal partition plate (4) is arranged in the double-cavity special-shaped column (1), drain pipes (2) extending out of the upper rear end of the double-cavity special-shaped column (1) are arranged at two side ends of the longitudinal partition plate (4), and end plates (3) integrally welded with the double-cavity special-shaped column (1) are arranged at the rear end of the double-cavity special-shaped column (1); the double-cavity special-shaped column (1) comprises a bottom plate (10) which is welded with a longitudinal partition plate (4) vertically, side webs (7) are arranged on two sides of the bottom plate (10), a top plate (8) is arranged between two sides of the upper end of the longitudinal partition plate (4) and the side webs (7), a plurality of diaphragm plates (9) are arranged between two sides of the longitudinal partition plate (4) and the side webs (7), and drain pipe assembly holes (12) which are sleeved with drain pipes (2) in a penetrating mode are formed in the diaphragm plates (9);
the processing method comprises the following operation steps:
the first step: the longitudinal partition plate (4), the side web plates (7), the top plate (8) and the bottom plate (10) adopt a bending steel plate for blanking, meanwhile, the transverse partition plate (9) is cut and blanked, the procedure of punching a drain pipe assembly hole (12) on the transverse partition plate (9) is finished, and after blanking, the side web plates (7) and the top plate (8) are subjected to bending forming;
and a second step of: before the double-cavity special-shaped column (1) is assembled, welded and formed, cutting hardening layers around welding seams of the longitudinal partition plates (4), the side webs (7), the top plates (8), the transverse partition plates (9) and the bottom plates (10) are firstly polished and removed;
and a third step of: placing the bottom plate (10) on an assembling jig frame (11), assembling positioning lines according to the longitudinal partition plates (4) on the bottom plate (10), and welding and fixing the longitudinal partition plates (4);
fourth step: assembling a positioning line according to the diaphragm plate (9) on the bottom plate (10), and welding and fixing the diaphragm plate (9) and the bottom plate (10) and the diaphragm plate (9) and the longitudinal diaphragm plate (4);
fifth step: applying pressure to position after clamping the side web plates (7) by a tool, ensuring that the diaphragm plates are tightly attached to the web plates, and welding the connecting welding seams of the side web plates (7) and the diaphragm plates (9) and the connecting welding seams of the side web plates (7) and the bottom plate (10) by carbon dioxide gas shielded welding;
sixth step: the drain pipes (2) in the cavities at two sides are laid, and the drain pipes (2) penetrate through the drain pipe assembly holes (12);
seventh step: end plate at end of double-cavity special-shaped column (1)3) Assembling by CO 2 Welding the connecting weld joints of the end plates (3), the side webs (7), the longitudinal partition plates (4) and the bottom plate (10) by gas shielded welding;
eighth step: welding the connection welding seams of the top plate (8) and the end plate (3), the longitudinal partition plates (4) and the side webs (7) by adopting carbon dioxide gas shielded welding when the top plate (8) is assembled;
ninth step: and then, carrying out main welding seam welding on the assembled double-cavity special-shaped column (1), and adopting a combined method of carbon dioxide gas shielded welding and submerged arc welding, namely, carbon dioxide gas shielded welding bottoming, submerged arc welding filling and capping welding.
2. The method for processing the pentagonal-to-quadrangular double-cavity special-shaped column of the embedded drain pipe, which is characterized by comprising the following steps of: after the side web plates (7) and the top plate (8) are fed by a numerical control gas cutting machine, the side web plates and the top plate (8) are bent and formed on an oil press, and the longitudinal partition plates (4) and the bottom plate (10) are directly fed by the numerical control gas cutting machine for forming.
3. The method for processing the pentagonal-to-quadrangular double-cavity special-shaped column of the embedded drain pipe according to claim 2, wherein the method comprises the following steps: the bending forming process comprises the steps of firstly carrying out solid modeling according to space coordinate points of the special-shaped columns, then adopting special software to unfold all the wall plates to generate blanking parameters, then adopting a numerical control cutting machine to carry out blanking, drawing forming control lines on the wall plates, then adopting an oil press to carry out compression forming according to the forming control lines, and ensuring the bending forming quality of the wall plates along with pressure measurement.
4. The method for processing the pentagonal-to-quadrangular double-cavity special-shaped column of the embedded drain pipe, which is characterized by comprising the following steps of: and (3) removing impurities which affect welding quality, such as rust, moisture, oil stains and the like, from the groove surfaces of the longitudinal partition plates (4), the side webs (7), the top plates (8), the transverse partition plates (9) and the bottom plates (10) and within a range of 30mm from the edges of the grooves, and presenting metallic luster.
5. The method for processing the pentagonal-to-quadrangular double-cavity special-shaped column of the embedded drain pipe, which is characterized by comprising the following steps of: when the top plate (8) is assembled, the opening of the double-cavity special-shaped column (1) adopts a pentagonal structure with the butt joint part, the opening of the front end of the double-cavity special-shaped column (1) is tightly jacked by a jack, the top plate (8) is placed on the diaphragm plate (9) and the end plate (3), a part of welding seams of the diaphragm plate (9) are welded in a mode of forming a manual hole in the top plate (8), and manual repair welding is performed after the welding is completed.
6. The method for processing the pentagonal-to-quadrangular double-cavity special-shaped column of the embedded drain pipe, which is characterized by comprising the following steps of: the upper end of the front part of the side web plate (7) is provided with a limiting clamping plate (6) which is welded with the side web plate (7) in an integrated manner, and the limiting clamping plate (6) is connected with a double-cavity special-shaped column limiting clamping pipeline of the drain pipe embedded in the front section.
7. The method for processing the pentagonal-to-quadrangular double-cavity special-shaped column of the embedded drain pipe, which is characterized by comprising the following steps of: the inner wall of the front end of the double-cavity special-shaped column (1) is respectively provided with a lining plate (5) which is integrally welded with a side web plate (7), a top plate (8) and a bottom plate (10), and the lining plate (5) is attached to the side web plate (7), the top plate (8) and the bottom plate (10) according to drawn liner assembly positioning lines and fixed by positioning welding.
8. The method for processing the pentagonal-to-quadrangular double-cavity special-shaped column of the embedded drain pipe, which is characterized by comprising the following steps of: and preheating the two sides of the groove to about 100 ℃ in the range of 1.5 times of the plate thickness and not less than 100mm by using the main welding seam welding, removing welding slag and surface splashes on the surface in time after each welding seam is finished during multi-layer and multi-pass welding, and keeping the temperature for 1-2 hours at the heating temperature of 250-350 ℃ when the welding seam is subjected to dehydrogenation treatment after welding.
9. The method for processing the pentagonal-to-quadrangular double-cavity special-shaped column of the embedded drain pipe, which is characterized by comprising the following steps of: correcting the double-cavity special-shaped column (1) by adopting a local heating method after welding, wherein the temperature for correcting the local heating is preferably 700-800 ℃, the highest strictly forbidden temperature exceeds 900 ℃, and the water shock cooling is strictly forbidden after heating and correcting; the correction of the bending rise of the double-cavity special-shaped column (1) adopts a strip heating method, heating strips are reasonably distributed according to correction quantity, and the width of the heating strips is 20-30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310542820.2A CN116441868A (en) | 2023-05-15 | 2023-05-15 | Processing method of pentagonal-to-quadrilateral double-cavity special-shaped column with embedded drain pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310542820.2A CN116441868A (en) | 2023-05-15 | 2023-05-15 | Processing method of pentagonal-to-quadrilateral double-cavity special-shaped column with embedded drain pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116441868A true CN116441868A (en) | 2023-07-18 |
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ID=87122058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310542820.2A Pending CN116441868A (en) | 2023-05-15 | 2023-05-15 | Processing method of pentagonal-to-quadrilateral double-cavity special-shaped column with embedded drain pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116441868A (en) |
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2023
- 2023-05-15 CN CN202310542820.2A patent/CN116441868A/en active Pending
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