CN104264900A - Giant multi-corbel steel tube frame column and manufacture method thereof - Google Patents
Giant multi-corbel steel tube frame column and manufacture method thereof Download PDFInfo
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Abstract
The invention discloses a giant multi-corbel steel tube frame column. The giant multi-corbel steel tube frame column comprises a steel column, annular horizontal reinforced ribs, H-shaped corbels, box girder corbels and belt truss corbels, wherein the annular horizontal reinforced ribs are welded at the positions in the steel column, wherein the H-shaped corbels, the box girder corbels, and the belt truss corbels are respectively joined with the steel column at the positions, and a hole is annularly formed in each annular horizontal reinforced rib; the H-shaped corbels are vertically welded on the upper part, the middle part and the lower part of the steel column; the box girder corbels are vertically welded on the middle part of the steel column; and the belt truss corbels are vertically welded on the lower part of the steel column, and the belt truss corbels on each side form a V shape through two box-type components. Through the adoption of the giant multi-corbel steel tube frame column, the performance of the structure is maximally improved simultaneously when the bearing force of a steel plate shear wall column is guaranteed; and meanwhile, the steel column mechanism is simplified, the processing efficiency of a factory is improved, and the processing period is shortened. The invention further discloses a manufacture method of the steel tube frame column, and is suitable for industrial production.
Description
Technical field
The invention belongs to the preparation method of a kind of steel work and steel work, be specially and relate to a kind of huge many brackets steel framework post being applied to mega steel frame structure and preparation method thereof.
Background technology
Wuhan is centrally located at ground, Wang Jiadun central business district, Wuhan City, Hubei Province 16.Overall floorage is 355760 square metres, and 4 layers, underground, podium 4 layers, high building 88 layers, overall height is 438 meters.Structure types is huge post framework-Core Walls Structure-cantilever truss structure system.B1 is mainly used in business, hotel's shipping and equipment, and interlayer is that hotel's logistics is used, and two layers, underground is for apartment property shipping, parking and the equipment of handling official business, and F3/B3 and four layers, underground are for stopping and equipment.Podium 4 layers is primarily of the formation such as market, conference centre.High building part is made up of entrance hall, conference centre, senior office, apartment, hotel, sightseeing facility and refuge story.
Based on the serial global design of center, Wuhan high building, various piece is needed to connect, adopt mega-frame-Core Walls Structure-cantilever truss structure system, it is the one of mega-structure system, this just needs to design to meet the requirements, and have the structural column of enough support forces, need the realization considering factory process technique simultaneously.
Summary of the invention
Goal of the invention: in order to solve the problems of the prior art, the invention provides a kind of huge many brackets steel framework post and preparation method thereof.
Technical scheme: to achieve these goals, one of the present invention huge many brackets steel framework post, comprising: steel column, annular horizontal stiffening rib, H type bracket, corbel in box beam, endless belt truss bracket; Described steel column comprises: top steel column, middle part steel column and bottom steel column, and three steel columns are welded into the main body of colossal column mutually; Described annular horizontal stiffening rib is welded in the inside of steel column of H type bracket, corbel in box beam, endless belt truss bracket and steel column intersection, and every block annular horizontal stiffening rib annular has hole; The vertical welding equipment of described H type bracket, in the upper, middle and lower of steel column, is respectively from top to down: large H type bracket, little H type bracket, middle H type bracket; The vertical welding equipment of described corbel in box beam, in the middle part of steel column, is box-type section; The vertical welding equipment of described endless belt truss bracket is in the bottom of steel column, and every side ring band truss bracket is converted into V-arrangement by two box-type members.
Huge many brackets steel framework post of the present invention, material adopts Q345B, and radius-thickness ratio is all greater than 33, meets the requirement that specification adopts cold coiling technique, steel pipe processing adopts compacting and rolls the method combined, to reduce surface of steel plate Indentation Damage and to suppress the excessive situation of internal stress.
The invention also discloses a kind of preparation method of huge many brackets steel framework post, the concrete steps of the method are as follows:
(1) part blanking cutting, blanking adopts material to be the steel plate of Q345B, and radius-thickness ratio all requires to be greater than 33; Adopt numerical control vertical bar cutting machine to carry out precise blanking cutting, diameter of steel tube should be reduced 2-3mm before processing and launch to carry out unfolding and cutting; By computer lofting in this step, huge many brackets steel framework post is divided into corresponding part component;
(2) steel plate pressure head precompressed: steel pipe adopts compacting and rolls the method combined, puts into hydraulic press and carries out volume pressure by steel plate; Install according to the linear making pressing mold of the curved surface of Taper Pipe, adopt hydraulic press to carry out steel plate both ends pressure head, steel plate end compacting number of times at least presses three times, first presses once within the scope of the 150mm of steel plate end, then weight secondary within the scope of 300mm;
(3) surplus and groove is cut after pre-bending;
(4) steel pipe segment joint machine-shaping;
(5) cylinder section joint longitudinal joint interior welds: after steel pipe column molding, leave certain longitudinal joint gap, first carry out interior welds;
(6) cylinder section joint longitudinal joint outside weldings: after steel pipe column interior welds completes, carry out outside weldings;
(7) cylinder section joint postwelding roll extrusion rectification again;
(8) arrange assembling jig frame: set up moulding bed template, the horizontal absolute altitude error of template upper surface must not be greater than 1mm, overproofly must revise;
(9) cylinder section saves inner stiffening diaphragm assembly welding;
(10) cylinder section joint docking spreading and girth welding: this structural iron tubing string is welded by three sections, after one section of steel pipe column is made, makes another two sections of steel pipe columns by method same above, finally the section of completing joint docking spreading and girth welding;
(11) steel column end face carries out end mill processing;
(12) stiffening rib, H type bracket, corbel in box beam, endless belt truss bracket installation site line in annular is marked in steel column location;
(13) stiffening rib, H type bracket, corbel in box beam, endless belt truss bracket installation site line in assembly welding annular: stiffening rib in all annulars of assembly welding, H type bracket, corbel in box beam, endless belt truss bracket;
(14) assembling all the other H type brackets, corbel in box beam, endless belt truss bracket installation site line is stood up;
(15) integral solder and detection.
Preparation method of the present invention, solves the problem of factorial praluction, greatly accelerates the progress of making, shortens the duration, and reasonably manufacturing process steps decreases assembling, the difficulty of welding and workload simultaneously, convenient making, and minimizing is done over again, and improves work efficiency.
In the present invention, steel pipe vertical seam welding method is: before welding, butt welded seam both sides 100mm scope carries out preheating, preheating adopts the preheating of ceramic electric heating plate, preheat temperature 100 ~ 150 DEG C, barrel soldering adopts automatic welding of cylinder body connect center or carry out with on automatic welding moulding bed, and in cylindrical shell, outside all adopts automatic submerged arc welding to weld.
In the present invention, steel column cylindrical shell antidote is: correct and adopt plate bending rolls and flame heating to correct, and when error occurs bigger than normal, upper plate bending rolls adopts rolling process repeatedly to correct.
Median septum assembling and welding method of the present invention is: after the welding of cylindrical shell segment joint is corrected, and installs the diaphragm of putting more energy in cylindrical shell, namely weld after installation by figure paper size advanced person row, and welding adopts the weldering of CO2 gas shielded to be symmetrically welded, and postwelding carries out local and corrects.
The method of middle cylinder body butt joint ring of the present invention seam welding is: the cylinder section joint welding internal partition is carried out docking spreading on horizontal moulding bed, then adopts barrel soldering center on roller moulding bed, carry out the submerged arc welding of circumferential weld, postwelding carries out local and corrects.
In the present invention, steel column end face end mill processing method is: the machine of steel column end face adopts mechanical driver unit to carry out facing cut processing, by the end face machine to steel column, makes the guarantee of steel column both ends of the surface parallel and mutually vertical with steel column axial line.
In the present invention, floor bracket assembling and welding method is: floor bracket is installed and must carry out assembling location and welding on assembly platform; welding adopts the weldering of CO2 gas shielded to be symmetrically welded, the strict control relative position of bracket and the distance of verticality and High-strength bolt hole group and casing center line.
Beneficial effect: tool of the present invention has the following advantages:
1, a kind of huge pattern of many brackets steel framework post of the present invention and the design of sectional dimension, while guarantee steel plate shear force wall post bearing capacity, improve the performance of structure to greatest extent, simplify steel column mechanism simultaneously, improve factory process efficiency, shorten the process-cycle.
2, preparation method of the present invention, solves the problem of factorial praluction, greatly accelerates the progress of making, shorten the duration, reasonably manufacturing process steps decreases assembling, the difficulty of welding and workload simultaneously, convenient making, minimizing is done over again, and improves work efficiency.
3, overall reasonably assembling sequence, welding sequence and welding method in the present invention, further ensure the quality of the shearing wall column produced.
accompanying drawing explanation
Fig. 1 is the schematic diagram of huge many brackets steel framework post of the present invention.
Fig. 2 is the axonometric drawing of huge many brackets steel framework post of the present invention.
Fig. 3 is the top view of huge many brackets steel framework post of the present invention.
Fig. 4 is left view in huge many brackets steel framework post of the present invention.
Fig. 5 is elevation in huge many brackets steel framework post of the present invention.
Detailed description of the invention
Embodiment
The huge many brackets steel framework of one as Figure 1-4 post, comprising: steel column 1, annular horizontal stiffening rib 2, H type bracket 3, corbel in box beam 4, endless belt truss bracket 5; Described steel column 1 comprises: top steel column 11, middle part steel column 12 and bottom steel column 13, three steel columns are welded into colossal column mutually; Described annular horizontal stiffening rib 2 totally 8 pieces, the steel column 1 being welded in bracket 3,4,5 and steel column 1 intersection at a certain distance with quantity is inner, and every 8, block annular horizontal stiffening rib 2 circular openings hole; The vertical welding equipment of described H type bracket 3, in the top of steel column 1, middle part, bottom, by the section constitution of three kinds of different sizes, comprising: large H type bracket 31, little H type bracket 32, middle H type bracket 33; The vertical welding equipment of described corbel in box beam 4, in the middle part of steel column 1, is box-type section; The vertical welding equipment of described endless belt truss bracket 5 is in the bottom of steel column 1, and every side ring band truss bracket 5 is converted into certain angle by two box-type members and forms, V-shaped.
The invention also discloses a kind of preparation method of huge many brackets steel framework post, the concrete steps of the method are as follows:
(1) part blanking cutting: by computer lofting, huge many brackets steel framework post is divided into corresponding part component;
(2) steel plate pressure head precompressed: steel pipe adopts compacting and rolls the method combined, puts into hydraulic press and carries out volume pressure by steel plate;
(3) surplus and groove is cut after pre-bending;
(4) steel pipe segment joint machine-shaping;
(5) cylinder section joint longitudinal joint interior welds: after steel pipe column molding, leave certain longitudinal joint gap, first carry out interior welds;
(6) cylinder section joint longitudinal joint outside weldings: after steel pipe column interior welds completes, carry out outside weldings;
(7) cylinder section joint postwelding roll extrusion rectification again;
(8) arrange assembling jig frame: set up moulding bed template, the horizontal absolute altitude error of template upper surface must not be greater than 1mm, overproofly must revise;
(9) cylinder section saves inner stiffening diaphragm assembly welding;
(10) cylinder section joint docking spreading and girth welding: this structural iron tubing string is welded by three sections, after one section of steel pipe column is made, makes another two sections of steel pipe columns by method same above, finally the section of completing joint docking spreading and girth welding;
(11) steel column end face carries out end mill processing;
(12) stiffening rib, H type bracket, corbel in box beam, endless belt truss bracket installation site line in annular is marked in steel column location;
(13) stiffening rib, H type bracket, corbel in box beam, endless belt truss bracket installation site line in assembly welding annular: stiffening rib in all annulars of assembly welding, H type bracket, corbel in box beam, endless belt truss bracket;
(14) assembling all the other H type brackets, corbel in box beam, endless belt truss bracket installation site line is stood up;
(15) integral solder and detection;
For strengthening the quality of steel framework post processing and fabricating, its technological work main points and technical measures as follows:
(1) blanking cutting: adopt numerical control vertical bar cutting machine to carry out precise blanking cutting, because steel pipe column steel plate is thicker, change at the elongation per unit length of pressing process light plate, the diameter processing rear cylinder body directly can be caused bigger than normal, launch to carry out unfolding and cutting so diameter of steel tube should be reduced 2-3mm before processing;
(2) pre-bending pressure head: install according to the linear making pressing mold of the curved surface of Taper Pipe, hydraulic press is adopted to carry out steel plate both ends pressure head, steel plate end compacting number of times at least presses three times, first press once within the scope of the 150mm of steel plate end, then weight secondary within the scope of 300mm, to reduce the elasticity of steel plate, prevent head from losing circle, check with model after compacting;
(3) shell rolling: shell rolling adopts the machine-shaping of special steel pipe numerical control plate bending roll.Counterpart misalignment allowable variation≤1.5mm, pipe end ovality allowable variation≤3mm;
(4) steel pipe vertical seam welding: before welding, butt welded seam both sides 100mm scope carries out preheating, preheating adopts the preheating of ceramic electric heating plate, preheat temperature 100 ~ 150 DEG C, barrel soldering adopts automatic welding of cylinder body connect center or carry out with on automatic welding moulding bed, and in cylindrical shell, outside all adopts automatic submerged arc welding to weld;
(5) cylindrical shell is corrected: all need to adopt special sample to carry out checking the shaping of cylindrical shell in cylindrical shell process with after machine-shaping and longitudinal seam welding, processing model adopts 2-3mm corrosion resistant plate to make, and often saves the inspection model that cylindrical shell application is no less than three positions and checks.When indivedual tube coupling does not reach above requirement, must correct, correct and adopt plate bending rolls and flame heating to correct.Time as bigger than normal in error appearance, upper plate bending rolls adopts rolling process repeatedly to correct;
(6) dividing plate assembly welding: after the welding of cylindrical shell segment joint is corrected, installs the diaphragm of putting more energy in cylindrical shell, namely welds after installation by figure paper size advanced person row, welding adopts the weldering of CO2 gas shielded to be symmetrically welded, and postwelding carries out local and corrects.
(7) cylindrical shell butt joint ring seam welding: the cylinder section joint welding internal partition is carried out docking spreading on dedicated leveling moulding bed, then adopts barrel soldering center to carry out the submerged arc welding of circumferential weld on roller moulding bed, postwelding carries out local and corrects;
(8) steel column end face end mill processing: the machine of steel column end face adopts mechanical driver unit to carry out facing cut processing, by the end face machine to steel column, make the guarantee of steel column both ends of the surface parallel and mutually vertical with steel column axial line, accurately control the length dimension of steel column simultaneously;
(9) floor bracket assembly welding: floor bracket is installed and must carry out assembling location and welding on dedicated set assembling platform; welding adopts the weldering of CO2 gas shielded to be symmetrically welded, the strict control relative position of bracket and the distance of verticality and High-strength bolt hole group and casing center line.
The tolerance that in the preparation method of the present embodiment, rational assemble method and assembling sequence can cause each parts machining or cumulative limit are repaired in time, thus ensure the total quality of structure, therefore, adopt which kind of assemble method and assembling sequence particularly important to the quality of engineering.
Claims (8)
1. huge many brackets steel framework post, is characterized in that: comprising: steel column (1), annular horizontal stiffening rib (2), H type bracket (3), corbel in box beam (4), endless belt truss bracket (5);
Described steel column (1) comprising: top steel column (11), middle part steel column (12) and bottom steel column (13), and three steel columns are welded into the main body of colossal column mutually;
Described annular horizontal stiffening rib (2) is welded in the inside of steel column (1) of H type bracket (3), corbel in box beam (4), endless belt truss bracket (5) and steel column (1) intersection, and every block annular horizontal stiffening rib (2) annular has hole;
The vertical welding equipment of described H type bracket (3), in the upper, middle and lower of steel column (1), is respectively from top to down: large H type bracket (31), little H type bracket (32), middle H type bracket (33);
The vertical welding equipment of described corbel in box beam (4), in the middle part of steel column (1), is box-type section;
The vertical welding equipment of described endless belt truss bracket (5) is in the bottom of steel column (1), and every side ring band truss bracket (5) is converted into V-arrangement by two box-type members.
2. a preparation method for huge many brackets steel framework post, is characterized in that: the concrete steps of the method are as follows:
(1) part blanking cutting, blanking adopts material to be the steel plate of Q345B, and radius-thickness ratio all requires to be greater than 33; Adopt numerical control vertical bar cutting machine to carry out precise blanking cutting, diameter of steel tube should be reduced 2-3mm before processing and launch to carry out unfolding and cutting;
(2) steel plate pressure head precompressed: install according to the linear making pressing mold of the curved surface of Taper Pipe, hydraulic press is adopted to carry out steel plate both ends pressure head, steel plate end compacting number of times at least presses three times, first presses once within the scope of the 150mm of steel plate end, then weight secondary within the scope of 300mm;
(3) surplus and groove is cut after pre-bending;
(4) steel pipe segment joint machine-shaping;
(5) cylinder section joint longitudinal joint interior welds;
(6) cylinder section joint longitudinal joint outside weldings;
(7) cylinder section joint postwelding roll extrusion rectification again;
(8) assembling jig frame is set;
(9) cylinder section saves inner stiffening diaphragm assembly welding;
(10) cylinder section joint docking spreading and girth welding;
(11) steel column end face carries out end mill processing;
(12) stiffening rib, H type bracket, corbel in box beam, endless belt truss bracket installation site line in annular is marked in steel column location;
(13) stiffening rib, H type bracket, corbel in box beam, endless belt truss bracket installation site line in assembly welding annular;
(14) assembling all the other H type brackets, corbel in box beam, endless belt truss bracket installation site line is stood up;
(15) integral solder and detection.
3. the preparation method of a kind of huge many brackets steel framework post according to claim 2, it is characterized in that: in described method, steel pipe vertical seam welding method is: before welding, butt welded seam both sides 100mm scope carries out preheating, preheating adopts the preheating of ceramic electric heating plate, preheat temperature 100 ~ 150 DEG C, barrel soldering adopts automatic welding of cylinder body connect center or carry out with on automatic welding moulding bed, and in cylindrical shell, outside all adopts automatic submerged arc welding to weld.
4. the preparation method of a kind of huge many brackets steel framework post according to claim 2, it is characterized in that: in described method, steel column cylindrical shell antidote is: correct and adopt plate bending rolls and flame heating to correct, when error occurs bigger than normal, upper plate bending rolls adopts rolling process repeatedly to correct.
5. the preparation method of a kind of huge many brackets steel framework post according to claim 2; it is characterized in that: described method median septum assembling and welding method is: after the welding of cylindrical shell segment joint is corrected; diaphragm of putting more energy in cylindrical shell is installed by figure paper size advanced person row; namely weld after installation; welding adopts the weldering of CO2 gas shielded to be symmetrically welded, and postwelding carries out local and corrects.
6. the preparation method of a kind of huge many brackets steel framework post according to claim 2, it is characterized in that: the method for described method middle cylinder body butt joint ring seam welding is: the cylinder section joint welding internal partition is carried out docking spreading on horizontal moulding bed, then adopt barrel soldering center on roller moulding bed, carry out the submerged arc welding of circumferential weld, postwelding carries out local and corrects.
7. the preparation method of a kind of huge many brackets steel framework post according to claim 2, it is characterized in that: in described method, steel column end face end mill processing method is: the machine of steel column end face adopts mechanical driver unit to carry out facing cut processing, by the end face machine to steel column, make the guarantee of steel column both ends of the surface parallel and mutually vertical with steel column axial line.
8. the preparation method of a kind of huge many brackets steel framework post according to claim 2; it is characterized in that: in described method, floor bracket assembling and welding method is: floor bracket is installed and must carry out assembling location and welding on assembly platform; welding adopts the weldering of CO2 gas shielded to be symmetrically welded, the strict control relative position of bracket and the distance of verticality and High-strength bolt hole group and casing center line.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105382491A (en) * | 2015-11-26 | 2016-03-09 | 上海建工（江苏）钢结构有限公司 | Machining, manufacturing and inspection method of arc-shaped steel pipe column |
| CN107035069A (en) * | 2017-06-08 | 2017-08-11 | 浙江东南网架股份有限公司 | A kind of major-diameter thick-wall steel pipe column and preparation method thereof |
| CN107178149A (en) * | 2017-06-27 | 2017-09-19 | 中国建筑第八工程局有限公司 | Fork-shaped steel reinforced concrete combining structure and its construction method |
| CN109604980A (en) * | 2018-11-08 | 2019-04-12 | 武汉船用机械有限责任公司 | A kind of manufacturing method of long cylindrical mould structural member |
| CN113958141A (en) * | 2021-10-30 | 2022-01-21 | 中冶(上海)钢结构科技有限公司 | Spatial position positioning method for special-shaped bracket of tubular column |
| CN114633114A (en) * | 2022-03-03 | 2022-06-17 | 中国一冶集团有限公司 | Special-shaped reducing circular tube butt joint and machining and manufacturing method |
| CN114714051A (en) * | 2022-04-19 | 2022-07-08 | 中国一冶集团有限公司 | Manufacturing method of cow leg column |
| CN115095081A (en) * | 2022-06-28 | 2022-09-23 | 中建三局集团有限公司 | Manufacturing method and structure of section steel column with arc-shaped plates and giant diagonal bracing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107035069A (en) * | 2017-06-08 | 2017-08-11 | 浙江东南网架股份有限公司 | A kind of major-diameter thick-wall steel pipe column and preparation method thereof |
| CN107178149A (en) * | 2017-06-27 | 2017-09-19 | 中国建筑第八工程局有限公司 | Fork-shaped steel reinforced concrete combining structure and its construction method |
| CN109604980A (en) * | 2018-11-08 | 2019-04-12 | 武汉船用机械有限责任公司 | A kind of manufacturing method of long cylindrical mould structural member |
| CN113958141A (en) * | 2021-10-30 | 2022-01-21 | 中冶(上海)钢结构科技有限公司 | Spatial position positioning method for special-shaped bracket of tubular column |
| CN114633114A (en) * | 2022-03-03 | 2022-06-17 | 中国一冶集团有限公司 | Special-shaped reducing circular tube butt joint and machining and manufacturing method |
| CN114714051A (en) * | 2022-04-19 | 2022-07-08 | 中国一冶集团有限公司 | Manufacturing method of cow leg column |
| CN115095081A (en) * | 2022-06-28 | 2022-09-23 | 中建三局集团有限公司 | Manufacturing method and structure of section steel column with arc-shaped plates and giant diagonal bracing |
| CN118143496A (en) * | 2024-05-09 | 2024-06-07 | 四川欧贝机械科技有限公司 | Welding device for high-tightness large-caliber pipe |
| CN118143496B (en) * | 2024-05-09 | 2024-08-06 | 四川欧贝机械科技有限公司 | Welding device for high-tightness large-caliber pipe |
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Address after: 214200 Baijia village, Zhangzhu Town, Yixing City, Wuxi City, Jiangsu Province Patentee after: JIANGSU HUNING STEEL MECHANISM Co.,Ltd. Address before: 214200 Baijia village, Zhangzhu Town, Yixing City, Suzhou City, Jiangsu Province Patentee before: JIANGSU HUNING STEEL MECHANISM Co.,Ltd. |