CN112692508B - A cross-rotating circular tube steel column and a manufacturing method thereof - Google Patents
A cross-rotating circular tube steel column and a manufacturing method thereof Download PDFInfo
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- CN112692508B CN112692508B CN202011591191.5A CN202011591191A CN112692508B CN 112692508 B CN112692508 B CN 112692508B CN 202011591191 A CN202011591191 A CN 202011591191A CN 112692508 B CN112692508 B CN 112692508B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 26
- 239000010959 steel Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000005192 partition Methods 0.000 claims abstract description 35
- 238000003466 welding Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 10
- 230000007704 transition Effects 0.000 abstract 1
- 210000001503 joint Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—External pipe alignment clamps
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
本发明公开了一种十字转圆管型钢柱的制作方法，首先对十字腹板进行自身合拢；将上口环板安装于十字腹板的凸部和第一凸部的上道口处；再在第一腹板和第二腹板的交叉处设置一组内隔板，先固定其一条边；采用四哈夫的拼接方式对方接圆节点板进行拼接、并装焊；对其下口环板进行装焊；再在下口环板下部的十字腹板的交叉处进行内隔板的装焊；再对箱形柱进行装焊；内隔板的另外两条边进行焊接固定；将圆管柱进行装焊，安装节点板，安装加劲板，最后对下段节点和十字腹板下部的箱型柱进行装焊。本发明所述的十字转圆管型钢柱的制作方法，不仅对结构进行了优化，也优化了施工工艺，将圆管柱、十字转接段和下段节点分别对应合拢，不仅提高其了加工效率。
The present invention discloses a method for manufacturing a cross-turned circular tube steel column, which comprises the following steps: firstly closing the cross web; installing the upper ring plate at the upper intersection of the convex part of the cross web and the first convex part; then setting a group of inner partitions at the intersection of the first web and the second web, fixing one side first; splicing and welding the square node plates by a four-haf splicing method; welding the lower ring plate; then welding the inner partition at the intersection of the cross web at the lower part of the lower ring plate; then welding the box column; welding and fixing the other two sides of the inner partition; welding the circular tube column, installing the node plate, installing the stiffening plate, and finally welding the lower node and the box column at the lower part of the cross web. The method for manufacturing the cross-turned circular tube steel column described in the present invention not only optimizes the structure, but also optimizes the construction process, and closes the circular tube column, the cross transition section and the lower node respectively, which not only improves the processing efficiency.
Description
Technical Field
The invention belongs to the technical field of steel structures, and particularly relates to a cross-rotating round tube type steel column and a manufacturing method thereof.
Background
With the rapid development of social economy, various industries are continuously developing, as are the building industries. The steel structure building is short in construction period, free from the constraint of climate, and can meet the building requirements of various special structures, so that the steel structure building is favored by various venues and centers.
The support nodes are necessary support components in the steel structure building, however, many of the existing support nodes are hollow support columns, the support and bearing performance are small, and the structural stability of the support nodes is still to be improved;
And even if the structure of some supporting parts is complex, the manufacturing method is complex, most parts are directly processed in sequence during processing, a great deal of time and manpower are required to be consumed, the normal construction progress is affected,
And because of the characteristics of the structure, one end of the square joint circle is square, one end of the square joint circle is arc-shaped, especially one end of the square joint circle is in a 90-degree rolling angle, the fracturing condition easily occurs, the part needs to be subjected to pretreatment, the fracturing condition is avoided, the special-shaped node plate is difficult to process, and the existing manufacturing method of the support node is still to be improved.
Disclosure of Invention
The invention aims to overcome the defects, and aims to provide the cross-shaped round tube type steel column, which not only optimizes the structure, but also optimizes the construction process, and correspondingly folds the round tube column, the cross-shaped switching section and the lower section node, thereby improving the processing efficiency and the construction quality.
In order to achieve the aim, the invention provides a manufacturing method of a cross round tube type steel column, which comprises the following steps that 1) a cross web is folded, namely a first web and a second web are arranged in a crossing way;
2) Installing an upper orifice ring plate at the convex part of the cross web plate and the upper orifice of the first convex part, and welding and fixing the upper orifice ring plate;
3) Setting a group of inner partition boards at the intersection of the first web board and the second web board, and fixing one side of the inner partition boards;
4) Splicing and welding square joint round node plates in a four-half splicing mode, namely arranging one end of the square joint round node plate in a circular arc shape on the lower surface of an upper opening ring plate, and then welding and fixing the other two sides of an inner partition plate;
5) The lower mouth ring plate is welded, namely, the lower mouth ring plate is arranged at the joint of the convex part, the second convex part and the third convex part, and the notch is welded and fixed through full penetration backing plate welding;
6) Then the cross web plate at the lower part of the lower opening ring plate is welded with the inner partition plate, and one side of the inner partition plate is fixedly welded;
7) Then the box column is assembled and welded, namely, the lower part of the cross web plate is inserted into the opening of the box column, and the notch is welded and fixed;
8) Welding and fixing the other two edges of the inner partition board in the step 6);
9) The circular pipe column is welded, namely, an annular baffle plate is arranged on a cross web plate, the upper part of the cross web plate is inserted into the opening of the circular pipe column, and a crossing annular plate is arranged on the inner side of the circular pipe column;
10 Installing a gusset plate, i.e., installing the gusset plate at the lower portion of the first protrusion;
11 Installing stiffening plates, i.e. the stiffening plates are arranged on both sides of the convex part and the first convex part;
12 And finally, carrying out assembly welding on the lower section node and the box column at the lower part of the cross web.
The square joint round node plate is installed in the following manner:
the butt joint groove of the square joint round node plate needs to be opened after cold processing;
The butt joint grooves at the upper end and the lower end of the square joint round node plate are required to be opened before cold processing and manufacturing. The invention comprises a cross round tube type steel column manufactured by a manufacturing method of the cross round tube type steel column.
The cross-shaped round tube type steel column comprises a round tube, a cross-shaped switching section and a lower section node, wherein the round tube is arranged at an upper crossing of the cross-shaped switching section, and the lower section node is arranged at the lower part of the cross-shaped switching section.
The cross transfer section comprises a cross web plate, an upper opening ring plate, a square connecting round node plate, a lower opening ring plate and a box column, wherein the upper opening ring plate is arranged on the cross web plate and positioned at the upper opening of the square connecting round node plate, the square connecting round node plate is arranged between two adjacent web plates in the cross web plate, the lower opening ring plate is arranged on the outer side of the cross web plate and positioned at the lower opening of the square connecting round node plate, and the box column is arranged on the outer side of the cross web plate and positioned below the lower opening ring plate.
One end of the square joint round node plate is arc-shaped, and the other end of the square joint round node plate is square.
The cross transfer section also comprises a group of inner partition plates, wherein the inner partition plates are arranged between two adjacent webs in the cross webs and are arranged in the square joint circular node plate and the box column.
The cross web comprises a first web and a second web, wherein the first web and the second web are arranged in a crossing manner;
the first web plate is in a convex shape, and the outer side of the first web plate is provided with a convex part;
The second web is in a ladder shape, a first convex part, a second convex part and a third convex part are arranged on the outer side of the second web, the upper orifice ring plate is arranged at the upper orifice of the convex part and the upper orifice of the first convex part, and the lower orifice ring plate is arranged at the lower orifice of the convex part and the lower orifice of the second convex part.
The heights of the first convex part, the second convex part and the third convex part are sequentially reduced.
The upper port ring plate comprises an annular plate, a group of convex plates are arranged on the outer side of the annular plate, openings are formed in the inner side of the annular plate, and the first web plate and the second web plate are respectively inserted into the corresponding openings.
The lower part of the first convex part, which is close to the second convex part, is provided with a node plate, the node plate is arranged opposite to the convex plate of the upper opening ring plate, and stiffening plates are arranged on two sides of the first convex part.
The cross transfer section is provided with an annular partition plate at the installation position of the circular pipe column, and the annular partition plate is matched with the circular pipe column.
The round tube column comprises a round tube column body and a cross inner partition board, wherein the cross inner partition board is arranged in the round tube column body, a group of openings are formed in the lower portion of the round tube column body, and the upper portion of a cross web plate is inserted into the openings.
The box column comprises a box column body, wherein one end of the box column body is provided with an opening, and the four corners of the other end are provided with arc-shaped notches.
The technical scheme can be seen that the invention has the following beneficial effects:
1. According to the manufacturing method of the cross-shaped round tube type steel column, the structure is optimized, meanwhile, the construction process is optimized, the round tube column, the cross-shaped switching section and the lower section node are correspondingly folded, the machining efficiency is improved, the construction quality is improved, and the technical problems existing in the current construction are well solved under the condition that the construction quality is guaranteed, so that the construction requirement is better met.
2. According to the cross rotary round tube type steel column, through the combination of the cross web plate and the square joint round node plate, the cross rotary round tube type steel column is formed into the rotary cross web plate section, connection between the round tube column and the lower section node is facilitated, the problem of connection between the round tube column and the square column is well solved, the structure of the supporting node is optimized, the stability of connection of the whole node is greatly improved, meanwhile, the bearing performance of the cross rotary round tube type steel column is improved, the stability and the supporting performance of the structure of the cross rotary round tube type steel column are effectively improved, and meanwhile, the use safety of the cross rotary round tube type steel column is improved.
3. According to the invention, the first web plate and the second web plate adopt unique structural designs, and the whole node structure is optimized, so that the first web plate and the second web plate can be installed with the upper opening ring plate, the lower opening ring plate and the square joint circular node plate, and the installation stability of the first web plate and the second web plate is greatly improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a block diagram of a cross adapter segment according to the present invention;
FIG. 3 is a schematic view of a cross adapter segment according to the present invention;
FIG. 4 is a schematic diagram of a pipe string according to the present invention;
FIG. 5 is a schematic view of a square joint circular node plate according to the present invention;
FIG. 6 is a schematic view of the notch opening at the right angle of the square round joint plate according to the present invention;
fig. 7 is a process diagram of a square joint round node plate according to the present invention.
Detailed Description
The invention is further elucidated below in connection with the drawings and the specific embodiments.
Examples
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The manufacturing method of the cross round tube type steel column comprises the following steps of 1) folding a cross web 21, namely arranging a first web 211 and a second web 212 in a crossing manner;
2) The upper collar plate 22 is arranged at the upper crossing of the convex part 213 of the cross web 21 and the first convex part 214, and welded and fixed;
3) A group of inner partition plates are arranged at the intersection of the first web plate 211 and the second web plate 212, and one side of the inner partition plates is fixed firstly;
4) Splicing and welding the square joint round node plates 23 in a four-half splicing mode, namely arranging one circular arc-shaped end of each square joint round node plate 23 on the lower surface of the upper opening ring plate 22, and then welding and fixing the other two sides of the inner partition plate;
5) The lower mouth ring plate 24 is welded, namely, the lower mouth ring plate 24 is arranged at the joint of the convex part 213, the second convex part 215 and the third convex part 216, and the notch is welded and fixed by full penetration backing plate welding;
6) The inner partition plate is welded at the intersection of the cross web plate 21 at the lower part of the lower opening ring plate 24, and one side of the inner partition plate is fixedly welded;
7) Then the box column 25 is assembled and welded, namely, the lower part of the cross web 21 is inserted into the opening of the box column 25, and the notch is welded and fixed;
8) Welding and fixing the other two edges of the inner partition board in the step 6;
9) The method comprises the steps of installing and welding a circular pipe column 1, namely arranging an annular partition plate 11 on a cross web plate 21, inserting the upper part of the cross web plate 21 into an opening of the circular pipe column 1, and arranging a crossing annular plate on the inner side of the circular pipe column 1;
10 Mounting the gusset 217, i.e., mounting the gusset 217 to the lower portion of the first protrusion 214;
11 Mounting the stiffening plate 218, i.e., mounting the stiffening plate 218 on both sides of the convex portion 213 and the first convex portion 214;
12 Finally, the lower section node 3 and the box column 25 at the lower part of the cross web 21 are welded.
The square joint round node plate 23 in this embodiment is installed in the following manner:
1) The butt joint groove of the square joint round node plate 23 is required to be opened after cold processing and manufacturing;
2) The butt joint grooves of the upper end and the lower end of the square joint round node plate 23 are required to be opened before cold processing and manufacturing;
3) The expansion size of the square connection cylinder during concrete lofting is as follows:
The upper end joint is unfolded according to the pitch diameter, and the lower end round joint is unfolded according to the pitch diameter;
4) Setting the allowance of square connection cylinder:
The upper end joint is not added with allowance and is used for blanking according to the theoretical size, the lower end round joint is added with allowance (the function of a lapel when pressing an arc) with the width of 90mm and the length of 500mm at the two ends of the butt joint, and the height direction is used for blanking, as shown in figure 5;
5) Regarding the processing scheme at the square cylindrical interface:
because the thickness of the square joint round node plate 23 reaches 60mm, R angle is too large when the round is transited to four angles of the square joint, the square joint round node plate is processed by adopting a blanking and notch cutting method, as shown in figure 6. Example 2
The cross round tube type steel column manufactured by the manufacturing method of the cross round tube type steel column is provided.
The cross round tube type steel column in the embodiment comprises a round tube 1, a cross connecting section 2 and a lower section node 3, wherein the round tube 1 is arranged at an upper crossing of the cross connecting section 2, and the lower section node 3 is arranged at the lower part of the cross connecting section 2.
In this embodiment, the cross connection section 2 includes a cross web 21, an upper ring plate 22, a square joint circular node plate 23, a lower ring plate 24 and a box column 25, where the upper ring plate 22 is disposed on the cross web 21 and located at an upper opening of the square joint circular node plate 23, the square joint circular node plate 23 is disposed between two adjacent webs in the cross web 21, the lower ring plate 24 is disposed on an outer side of the cross web 21 and disposed at a lower opening of the square joint circular node plate 23, and the box column 25 is disposed on an outer side of the cross web 21 and disposed below the lower ring plate 24.
In this embodiment, one end of the square-connection round node plate 23 is in a circular arc shape, and the other end is in a square shape.
The cross connection section 2 in this embodiment further includes a set of inner partition plates, which are disposed between two adjacent webs in the cross web 21 and are disposed inside the square connection round node plate 23 and the box column 25.
The cross web 21 in this embodiment includes a first web 211 and a second web 212, where the first web 211 and the second web 212 are disposed in a crossing manner;
the first web 211 is in a convex shape, and the outer side of the first web is provided with a convex part 213;
the second web 212 has a stepped shape, and is provided with a first protrusion 214, a second protrusion 215, and a third protrusion 216 on the outer side thereof, the upper collar plate 22 is provided at the upper level crossing of the protrusion 213 and the first protrusion 214, and the lower collar plate 24 is provided at the lower level crossing of the protrusion 213 and the second protrusion 215.
The heights of the first convex portion 214, the second convex portion 215, and the third convex portion 216 in this embodiment decrease in order.
In this embodiment, the upper collar plate 22 includes an annular plate, a set of convex plates is disposed on the outer side of the annular plate, an opening is disposed on the inner side of the annular plate, and the first web 211 and the second web 212 are respectively inserted into the corresponding openings.
In this embodiment, a node plate 217 is disposed below the first protruding portion 214 near the second protruding portion 215, the node plate 217 is disposed opposite to the protruding plate of the upper collar plate 22, and stiffening plates 218 are disposed on two sides of the first protruding portion 214.
In this embodiment, the installation part of the cross connection section 2 located on the circular pipe column 1 is provided with an annular partition plate 11, and the annular partition plate 11 is matched with the circular pipe column 1.
In this embodiment, the circular tube column 1 includes a circular tube column body and a cross inner partition board, the cross inner partition board is disposed in the circular tube column body, a set of openings are disposed at the lower portion of the circular tube column body, and the upper portion of the cross web 21 is inserted into the openings.
The box column 25 comprises a box column body, one end of the box column body is provided with an opening, and the four corners of the other end are provided with arc-shaped notches.
In this embodiment, the lower section node 3 includes a cross inner strut, a set of second partition plates and a set of outer wall plates, the second partition plates are disposed at the upper end and the lower end of the cross inner strut, and the outer wall plates are disposed at the outer side of the cross inner strut.
The foregoing is merely a preferred embodiment of the invention, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the invention, which modifications would also be considered to be within the scope of the invention.
Claims (2)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011591191.5A CN112692508B (en) | 2020-12-29 | 2020-12-29 | A cross-rotating circular tube steel column and a manufacturing method thereof |
| PCT/CN2021/130243 WO2022142765A1 (en) | 2020-12-29 | 2021-11-12 | Steel column with cross-shaped connecting section connected to round pipe and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011591191.5A CN112692508B (en) | 2020-12-29 | 2020-12-29 | A cross-rotating circular tube steel column and a manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112692508A CN112692508A (en) | 2021-04-23 |
| CN112692508B true CN112692508B (en) | 2025-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011591191.5A Active CN112692508B (en) | 2020-12-29 | 2020-12-29 | A cross-rotating circular tube steel column and a manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN112692508B (en) |
| WO (1) | WO2022142765A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112692508B (en) * | 2020-12-29 | 2025-02-07 | 江苏沪宁钢机股份有限公司 | A cross-rotating circular tube steel column and a manufacturing method thereof |
| CN113323159A (en) * | 2021-07-08 | 2021-08-31 | 江苏沪宁钢机股份有限公司 | Manufacturing method of anti-deformation Y-shaped bent cone connection box body node |
| CN113894513B (en) * | 2021-11-19 | 2024-08-30 | 江苏沪宁钢机股份有限公司 | Spiral rotary stair and manufacturing method thereof |
| CN114150770B (en) * | 2021-12-15 | 2023-08-25 | 中建钢构工程有限公司 | Node component embedded with cross-shaped circular pipe hanging column and manufacturing method thereof |
| CN116220363B (en) * | 2023-02-13 | 2024-10-01 | 浙江中南绿建科技集团有限公司 | Method for preventing staggered edges of cross-shaped rotary tubular column |
| CN116988569B (en) * | 2023-09-21 | 2023-12-08 | 中铁城建集团第一工程有限公司 | Box-type steel structure and manufacturing process thereof |
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| CN214721922U (en) * | 2020-12-29 | 2021-11-16 | 江苏沪宁钢机股份有限公司 | Cross-shaped rotary circular tube section steel column |
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| JP4313181B2 (en) * | 2003-12-19 | 2009-08-12 | 大和ハウス工業株式会社 | Pile and column bolt joint structure |
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| CN108788408A (en) * | 2018-07-02 | 2018-11-13 | 张阳康 | The production method that a kind of cross column turns pipe rod structure |
| CN108661174B (en) * | 2018-07-27 | 2023-08-08 | 中铁建设集团有限公司 | Discontinuous section column conversion node and construction method thereof |
| CN112692508B (en) * | 2020-12-29 | 2025-02-07 | 江苏沪宁钢机股份有限公司 | A cross-rotating circular tube steel column and a manufacturing method thereof |
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2020
- 2020-12-29 CN CN202011591191.5A patent/CN112692508B/en active Active
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- 2021-11-12 WO PCT/CN2021/130243 patent/WO2022142765A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214721922U (en) * | 2020-12-29 | 2021-11-16 | 江苏沪宁钢机股份有限公司 | Cross-shaped rotary circular tube section steel column |
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| WO2022142765A1 (en) | 2022-07-07 |
| CN112692508A (en) | 2021-04-23 |
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