Hexahedral twist-shaped full-bolted connection steel column structure and manufacturing method thereof

Abstract

The invention relates to a six-face twist-shaped full bolt connection steel column structure and a manufacturing method thereof.The structure comprises a six-face twist-shaped main body structure and beam-column connection nodes, the main body structure is formed by connecting six-face continuous torsion structure stress plates, the six faces of the main body are in a twist-shaped outline, the bottom of a bottom section steel column is connected with a bottom plate, and the beam-column connection nodes are connected with the bottom plate. The column top is connected with the end connecting plate, the inner partition plate is arranged in the column top, the column bottom of the upper section steel column is connected with the end connecting plate, and the column top position is connected with the column top beam joint. The joint is used for steel columns of multi-storey and high-rise buildings, the requirement for personalized modeling design is met, effective transmission of force in the whole structure and the joint is achieved, and stress safety of the steel column structure is guaranteed.

Description

Technical Field

[0001] The invention relates to the field of steel structure buildings, and in particular to a six-sided twisted-shaped fully bolted steel column structure and a manufacturing method thereof. Background Art

[0002] Steel structure buildings are widely used in multi-story buildings, and steel columns are an important structural form of steel structure section columns. They are often exposed and visible, and bear important structural force requirements and appearance requirements.

[0003] As steel structures are increasingly used in buildings, the demand for design appearance is gradually increasing, and at the same time, the requirements for construction efficiency are becoming more and more stringent. The application of six-sided twisted steel column structure with full bolt connection is not only more beautiful and distinctive in appearance, but also realizes full bolt installation of this special structure type, greatly improving efficiency. At the same time, reliable force transmission is achieved through the connection design between structures and the design of key dimensions. This case was born. Summary of the invention

[0004] The invention firstly discloses a six-sided twisted-shaped fully bolted steel column structure, which is mainly used for the structural modeling design of steel columns in multi-story buildings, can realize reliable force transmission, and ensure the force safety of the structure.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is: A six-sided twisted steel column structure with full bolt connection, including two sections of upper and lower steel column main structure, upper and lower column connection structure, beam node and stiffening plate, the main structure includes six continuous torsion plates connected to each other and to the end plates to form a closed body with a twisted outline, an inner partition is designed in the closed body, the end plates are connected to the six-sided twisted torsion plates of the main body, the cross-section of the main structure is hexagonal, the cross-sections at both ends of the steel column are 60° rotated at an angle, and six edges are spirally extended according to the 60° rotation angle, thereby forming a spiral twisted shape structure; the upper and lower sections of the steel column main structure are fully bolted through the end connection plate, and the connection structure includes the end connection plate as the main structural force plate connected to the six-sided continuous torsion plate At the same time, the end connecting plate is connected to the cross structure force transmission connection in the axis direction of the steel column, and the cross structure force transmission plate is connected to the force-bearing inner partition plate and the six-sided continuous torsion plate, so as to form an overall effective force transmission system, and a hand hole plate is arranged on the outside for bolt installation and closure after installation; a conversion beam node is arranged at the top of the column, and the beam node is a Japanese-shaped structure, and the top is a horizontal force transmission whole plate, which is combined with the other three panels and the internal through plate to form a box beam conversion node, and the end of the box beam conversion node is a full bolt connection node form, and a force-bearing end plate connecting plate is arranged on the end, which is connected with the upper and lower plates of the beam node and the internal through plate to realize force transmission, and a hand hole plate is arranged on the outside for bolt installation and closure after installation.

[0006] Further, the six continuous torsion plates are torsion plate No. 1, torsion plate No. 2, torsion plate No. 3, torsion plate No. 4, torsion plate No. 5, and torsion plate No. 6. Twist plate No. 1 is connected to torsion plate No. 2 on the same side, torsion plate No. 2 is connected to torsion plate No. 3 on the same side, torsion plate No. 3 is connected to torsion plate No. 4 on the same side, torsion plate No. 4 is connected to torsion plate No. 5 on the same side, torsion plate No. 5 is connected to torsion plate No. 6 on the same side, and torsion plate No. 6 is connected to torsion plate No. 1 on the same side, thereby forming a six-sided twisted overall structure.

[0007] Furthermore, the torsion plate No. 1, torsion plate No. 2, torsion plate No. 3, torsion plate No. 4, torsion plate No. 5 and torsion plate No. 6 are all torsion plates, and the cross-sectional lines at the upper and lower ends are twisted 60° relative to each other to form a 60° twisted twisted structure, while the cross-sectional lines at the upper and lower ends remain at the same angle.

[0008] Furthermore, the structural form of the upper and lower column connection structure is a full bolt connection through an end connecting plate. The end connecting plate is connected to the six-sided continuous torsion plate as the main structural force-bearing plate. At the same time, the end connecting plate is force-transmittingly connected to the cross-structure plate in the axial direction of the steel column. The two sides of the cross plate are connected to the flat sides of the six-sided twist plate, and the other two sides are connected to the corners of the six-sided twist plate. The height of the cross-structure plate is 500mm, the force-bearing inner partition plate is 500mm away from the end, and the cross-structure force-transmitting plate is connected to the force-bearing inner partition plate and the six-sided continuous torsion plate.

[0009] Furthermore, the structural form of the upper and lower column connection structure is a full bolt connection through the end connecting plate, bolt holes are set on the end plate, and a hand hole plate is set on the outside of the connection position. The hand hole plate is 6mm thick and 200mm high for installing internal bolts. After the installation is completed, it is fixed to the steel column with small screws.

[0010] Furthermore, the cross-section of the beam node is a Japanese-shaped structure, with the top being a whole plate for lateral force transmission, which is combined with the other three panels and the internal through-plate to form a box beam conversion node, and a force-bearing end plate connecting plate is arranged at the end, and bolt holes are arranged on the end plate. The embedded form is arranged at the end, and is connected to the upper and lower plates of the beam node and the internal through-plate at the same time to realize force transmission.

[0011] Furthermore, the beam connection form is a full bolt connection of the end connecting plate, bolt holes are set on the end plate, and a hand hole plate is set on the outside. The hand hole plate is 6mm thick and 150mm high, which is used for bolt installation and closing after installation.

[0012] Furthermore, the lower column is provided with a column bottom connecting plate, which is hexagonal, has bolt holes arranged around it, and is fully bolted to the on-site embedded parts, and the plate thickness is 40 mm.

[0013] Furthermore, the six torsion plates 9 are all 600 mm wide, 30 mm thick, and have a torsion angle of 60°.

[0014] Furthermore, the method for connecting a steel column structure with six-sided twisted full bolts comprises the following steps: Step (1) is to preform a six-sided twisted plate into a six-sided twisted shape.

[0015] Step (2) is to provide a plate groove for the six-sided twisted plate forming the six-sided twist shape, wherein the groove shape simulates the sharp corner shape.

[0016] Step (3), drawing the projection point projection contour line according to the three-dimensional control dimensions of the six-sided twisted shape fully bolted steel column structure, and then placing the platform frame.

[0017] Step (4), according to the platform frame and the projection contour line of the projection point, the six-sided torsion plate, the inner partition plate, the cross plate, and the end connection plate that constitute the six-sided twisted shape full bolt connection steel column are gradually assembled and connected by welding.

[0018] Step (5), according to the platform frame and the projection point projection contour line, gradually assemble the top beam node plate, and connect the connection positions of various components by welding.

[0019] Step (6), installing the lower column section on site, and connecting the bottom connecting plate of the lower column section with the embedded parts with full bolts.

[0020] Step (7), install the upper column section on site, connect the upper and lower column sections through the end bolt connection plate, tighten the bolts, and assemble a 6mm thick hand hole plate, which is connected to the column body through screws.

[0021] further, In the step (1), the pre-forming of the six-sided twisted plate in the shape of a six-sided twist is independently formed and processed into the desired shape through a cold forming process of gradually twisting the plate through a gradient line; when the six-sided twisted plate is pre-formed, the edge lines and the middle position dimensions of the surrounding edges need to be controlled according to the projection contour line of the projection point, and are adjusted by pressing and heating.

[0022] In steps (6) and (7), the on-site installation of the steel columns of this type of structure adopts the form of full bolt connection, and the hand hole plate is used to achieve full enclosure of the appearance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is an axonometric view of a six-sided twisted steel column structure with full bolt connection in the embodiment; Figure 2 for Figure 1 Exploded view of the main structure of the steel columns in the middle and upper sections; Figure 3 for Figure 1 Exploded view of the main structure of the middle and lower steel columns; Figure 4It is a schematic diagram of the upper and lower end surfaces with a 60° twist angle; Figure 5 for Figure 1 A schematic diagram of the structure of the center column bottom connecting plate; Figure 6 for Figure 1 Schematic diagram of the explosion structure at the connection node 7; Figure 7 for Figure 1 Schematic diagram of the hand holes in the main structure of the middle and upper steel columns; Figure 8 This is a schematic diagram of the hand hole of the main structure of the lower steel column; Fig. 9 for Figure 1 Schematic diagram of the exploded structure of the beam node at the top of the middle column. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] This embodiment is first a six-sided twisted steel column structure with full bolt connection, combined with Figures 1 to 9 As shown, the six-sided twisted steel column structure with full bolt connection described in this embodiment is used on the steel columns of steel structure buildings. It includes an upper steel column main structure 2, a lower steel column main structure 3, an upper and lower column connection structure 7, a beam node 5 and a stiffening plate. The six continuous torsion plates are connected to each other and to the end plates (7-5, 7-4) to form a closed body with a twisted shape profile. The inner partition plates (6, 8) are installed in the closed body. The end plates (7-5, 7-4) are connected to the six-sided twisted torsion plates of the main body. Combination Figure 2 The six continuous torsion plates of the upper steel column main structure 2 are torsion plate No. 1 (2-1), torsion plate No. 2 (2-2), torsion plate No. 3 (2-3), torsion plate No. 4 (2-4), torsion plate No. 5 (2-5), and torsion plate No. 6 (2-6). The torsion plate No. 1 (2-1) is connected to the torsion plate No. 2 (2-2) on the same side, the torsion plate No. 2 (2-2) is connected to the torsion plate No. 3 (2-3) on the same side, the torsion plate No. 3 (2-3) is connected to the torsion plate No. 4 (2-4) on the same side, the torsion plate No. 4 (2-4) is connected to the torsion plate No. 5 (2-5) on the same side, the torsion plate No. 6 (2-6) is connected to the torsion plate No. 1 (2-1) on the same side, thereby forming a six-sided twisted overall structure. The cross-sections at both ends of the steel column are rotated at an angle of 60° to each other, and the six edges extend spirally according to the 60° rotation angle, thus forming a spiral twist-like appearance structure, while the cross-sections at the upper and lower ends remain at the same angle.

[0026] Combination Figure 4The width of the six continuous torsion plates is 600mm, the thickness is 30mm, and the torsion angle is 60°.

[0027] Combination Figure 6 The end plates (7-5, 7-4) are connected to the cross-structure plates (7-2, 7-3, 7-6, 7-7) in the direction of the steel column axis. The cross-structure plates are connected to the load-bearing inner partitions (7-1, 7-8) and the six-sided continuous torsion plates, thereby forming an overall effective force transmission system. A hand hole plate is set on the outside for bolt installation and closure after installation. The two sides of the cross-structure plates (7-2, 7-3, 7-6, 7-7) are connected to the flat side of the six-sided twist plates, and the other two sides are connected to the corners of the six-sided twist plates. The height of the cross-structure plates (7-2, 7-3, 7-6, 7-7) is 500mm, and the load-bearing inner partition is 500mm away from the end.

[0028] Combination Figure 3 The main structure 3 of the lower steel column also includes a No. 1 torsion plate (3-1), a No. 2 torsion plate (3-2), a No. 3 torsion plate (3-3), a No. 4 torsion plate (3-4), a No. 5 torsion plate (3-5), and a No. 6 torsion plate (3-6). The No. 1 torsion plate (3-1) is connected to the No. 2 torsion plate (3-2) on the same side, the No. 2 torsion plate (3-2) is connected to the No. 3 torsion plate (3-3) on the same side, the No. 3 torsion plate (3-3) is connected to the No. 4 torsion plate (3-4) on the same side, the No. 4 torsion plate (3-4) is connected to the No. 5 torsion plate (3-5) on the same side, the No. 5 torsion plate (3-5) is connected to the No. 6 torsion plate (3-6) on the same side, and the No. 6 torsion plate (3-6) is connected to the No. 1 torsion plate (3-1) on the same side, thereby forming a six-sided twisted overall structure.

[0029] The structural form of the connection structure of the upper and lower steel column main structure is a full bolt connection through the end connection plate, and bolt holes are set on the end plate. Figure 7 , Figure 8 A hand hole plate (2-7, 2-8, 2-9, 2-10) is set on the outside of the connection position of the upper section steel column main structure, and a hand hole plate (3-7, 3-8, 3-9, 3-10) is set on the outside of the connection position of the lower section steel column main structure 3. The hand hole plate is 6mm thick and 200mm high. It is used to install internal bolts. After installation, it is fixed to the steel column with small screws.

[0030] Combination Fig. 9A beam node 5 is set at the top of the assembly column. The beam node 5 is a Japanese-shaped structure. The top is a horizontal force transmission whole plate 1, which is combined with the other three panels (5-4, 5-1, 5-3) and the internal through plate (5-7) to form a box beam conversion node. The end is equipped with a load-bearing end plate connecting plate (5-2), which is connected to the upper and lower plates of the beam node and the internal through plate (5-7) to achieve force transmission. At the same time, a hand hole plate (5-5, 5-6) is set on the outside for bolt installation and closing after installation. The hand hole plate (5-5, 5-6) is 6mm thick and 150mm high, which is used for bolt installation and closing after installation.

[0031] The main structure 3 of the lower steel column is provided with a column bottom connecting plate 4, which is hexagonal and has bolt holes arranged around it. It is fully bolted to the embedded parts on site, and the plate thickness is 40mm.

[0032] This embodiment also discloses a method for manufacturing the above-mentioned six-sided twisted steel column structure connected by all bolts, and the manufacturing method comprises the following steps: A method for manufacturing a six-sided twisted-shaped fully bolted steel column structure comprises the following steps: Step (1) is to preform a six-sided twisted plate (2-1, 2-2, 2-3, 2-4, 2-5, 2-6).

[0033] Step (2), providing a plate groove for the twisted plate forming the six-sided twist shape, wherein the groove form simulates the sharp corner shape.

[0034] Step (3), drawing the projection point projection contour line according to the three-dimensional control dimensions of the six-sided twisted shape fully bolted steel column structure, and then placing the platform frame.

[0035] Step (4), based on the platform frame and the projection contour line of the projection point, gradually assemble the torsion plate, inner partition (6, 8), load-bearing inner partition (7-1, 7-8), and end plate (7-5, 7-4) of the six-sided twisted-shaped fully bolted steel column and connect them by welding.

[0036] Step (5), according to the platform frame and the projection point projection contour line, gradually assemble the top beam node plate, and connect the connection positions of various components by welding.

[0037] Step (6), installing the lower section steel column main structure 3 on site, and fully bolting the column bottom connecting plate 4 of the lower section steel column main structure 3 to the embedded parts.

[0038] Step (7), installing the upper steel column main structure 2 on site, connecting the upper and lower steel column main structures through end plates (7-5, 7-4), and after tightening the bolts, assembling 6mm thick hand hole plates (2-7, 2-8, 2-9, 2-10), which are connected to the column body through screws.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A six-sided twisted steel column structure with full bolt connection, characterized in that: It includes an upper and lower main structure of steel columns, an upper and lower column connection structure, a beam node and a stiffening plate. The main structure includes six continuous torsion plates connected to each other and to the end plates to form a closed body with a twisted shape. An inner partition is designed in the closed body. The end plates are connected to the six twisted torsion plates of the main body. The cross-section of the main structure is hexagonal. The cross-sections at both ends of the steel column are rotated at an angle of 60° to each other. The six edges extend spirally according to the 60° rotation angle, thereby forming a spiral twisted shape structure. The upper and lower main structures of the steel columns are fully bolted together by the end connecting plates. The connection structure includes the end connecting plates as the main structural load-bearing plates connected to the six continuous torsion plates. At the same time, the end connecting plates It is connected to the cross structure force transmission in the axial direction of the steel column, and the cross structure force transmission plate is connected to the force-bearing inner partition and the six-sided continuous torsion plate, so as to form an overall effective force transmission system. A hand hole plate is arranged on the outside for bolt installation and closure after installation. A conversion beam node is arranged at the top of the column. The beam node is a Japanese-shaped structure, and the top is a horizontal force transmission whole plate, which is combined with the other three panels and the internal through-plate to form a box beam conversion node. The end of the box beam conversion node is a fully bolted node form, and a force-bearing end plate connecting plate is arranged on the end, which is connected to the upper and lower plates of the beam node and the internal through-plate to realize force transmission. At the same time, a hand hole plate is arranged on the outside for bolt installation and closure after installation.

2. The six-sided twisted all-bolt connected steel column structure according to claim 1, characterized in that: The six continuous twisted plates are twisted plate No. 1, twisted plate No. 2, twisted plate No. 3, twisted plate No. 4, twisted plate No. 5 and twisted plate No.

6. Twist plate No. 1 is connected to twist plate No. 2 on the same side, twist plate No. 2 is connected to twist plate No. 3 on the same side, twist plate No. 3 is connected to twist plate No. 4 on the same side, twist plate No. 4 is connected to twist plate No. 5 on the same side, twist plate No. 5 is connected to twist plate No. 6 on the same side, twist plate No. 6 is connected to twist plate No. 1 on the same side, thereby forming a six-sided twisted overall structure.

3. The six-sided twisted all-bolt connected steel column structure according to claim 2, characterized in that: The six torsion plates are all 600 mm wide, 30 mm thick, and have a torsion angle of 60°.

4. The six-sided twisted all-bolt connected steel column structure according to claim 1, characterized in that: The structural form of the upper and lower column connection structure is a full bolt connection through the end connecting plate. The end connecting plate is connected to the six-sided continuous torsion plate as the main structural force-bearing plate. At the same time, the end connecting plate is force-transmittingly connected to the cross-structure plate in the axial direction of the steel column. The two sides of the cross plate are connected to the flat sides of the six-sided twist plate, and the other two sides are connected to the corners of the six-sided twist plate. The height of the cross-structure plate is 500mm, the force-bearing inner partition plate is 500mm away from the end, and the cross-structure force-transmitting plate is connected to the force-bearing inner partition plate and the six-sided continuous torsion plate.

5. A six-sided twisted all-bolt connected steel column structure according to claim 1, characterized in that: The structural form of the upper and lower column connection structure is a full bolt connection through the end connecting plate, bolt holes are set on the end plate, and a hand hole plate is set on the outside of the connection position. The hand hole plate is 6mm thick and 200mm high for installing internal bolts. After the installation is completed, it is fixed to the steel column with small screws.

6. A six-sided twisted all-bolt connected steel column structure according to claim 1, characterized in that: The cross-section of the beam node is a Japanese-shaped structure, with the top being a whole plate for lateral force transmission, which is combined with the other three panels and the internal through-plate to form a box beam conversion node. A force-bearing end plate connecting plate is arranged at the end, and bolt holes are arranged on the end plate. The embedded form is arranged at the end, and is connected to the upper and lower plates of the beam node and the internal through-plate at the same time to realize force transmission.

7. A six-sided twisted all-bolt connected steel column structure according to claim 6, characterized in that: The beam connection form is a full bolt connection of the end connecting plates, bolt holes are arranged on the end plates, and a hand hole plate is arranged on the outside. The hand hole plate has a thickness of 6mm and a height of 150mm, which is used for bolt installation and closing after installation.

8. A six-sided twisted all-bolt connected steel column structure according to claim 1, characterized in that: The lower column is provided with a column bottom connecting plate, which is hexagonal, has bolt holes arranged around it, and is fully bolted to the on-site embedded parts, and the plate thickness is 40mm.

9. A method for manufacturing a six-sided twisted all-bolt connected steel column structure as claimed in any one of claims 1 to 8, characterized in that: The steps include: Step (1), forming a six-sided twisted plate preform in a six-sided twist shape; Step (2), providing a plate groove on the six-sided twisted plate forming the six-sided twist shape, wherein the groove shape simulates the sharp corner shape; Step (3), drawing the projection point projection contour line according to the three-dimensional control dimensions of the six-sided twisted shape fully bolted steel column structure, and then placing the platform frame; Step (4), according to the platform frame and the projection contour line of the projection point, gradually assemble the six-sided torsion plate, the inner partition, the cross plate, and the end connection plate that constitute the six-sided twisted shape full bolt connection steel column and connect them by welding; Step (5), gradually assembling the top beam node plate according to the platform frame and the projection contour line of the projection point, and connecting the connection positions of various components by welding; Step (6), installing the lower column section on site, and connecting the bottom connecting plate of the lower column section with the embedded parts with full bolts; Step (7), install the upper column section on site, connect the upper and lower column sections through the end bolt connection plate, tighten the bolts, and assemble a 6mm thick hand hole plate, which is connected to the column body through screws.

10. The method for manufacturing a six-sided twisted all-bolt connected steel column structure according to claim 9, characterized in that: In step (1), the pre-forming of the six-sided twisted plate in the shape of a six-sided twist is independently formed and processed into the desired shape through a cold forming process of gradually twisting the gradient line; when the six-sided twisted plate is pre-formed, the edge lines and the middle position dimensions of the surrounding edges need to be controlled according to the projection contour line of the projection point, and are adjusted by pressing and heating; the on-site installation forms in steps (6) and (7) are all in the form of full bolt connection, and a hand hole plate is used to achieve a fully closed appearance.

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