Multi-cavity steel reinforced concrete special-shaped column

Abstract

The invention relates to the technical field of concrete special-shaped columns, in particular to a multi-cavity steel reinforced concrete special-shaped column which solves the problems that a steel reinforced concrete special-shaped column is single in structure and cannot meet the building shape requirements needed by different building environments, and the outer edge of a common U-shaped steel pipe is prone to deformation due to factors such as pressure. Each special-shaped structure module comprises a splicing part and a connecting part, and the connecting parts are movably installed in the splicing parts. The concrete special-shaped columns in different shapes are formed by splicing and combining the splicing parts in different modes so as to meet different shape requirements in different building environments, the solid steel frame and the U-shaped steel frame are welded, the solid steel frame can reinforce the two outer edges of the U-shaped steel frame, and it is avoided that after the device is used for a long time, the U-shaped steel frame is damaged by the solid steel frame, and the U-shaped steel frame is damaged by the solid steel frame. And the outer edge of the U-shaped steel frame is deformed due to pressure or other factors.

Description

Technical Field

[0001] The present invention relates to the technical field of special-shaped concrete columns, and particularly to a multi-chamber profiled steel concrete special-shaped column. Background Technique

[0002] The profiled steel concrete special-shaped column structure is a new type of structure in which a steel skeleton is embedded in reinforced concrete. According to different steel distribution forms, it can be divided into two types: solid-web type and open-web type; At present, special-shaped columns are widely used in buildings such as residences, apartments, and dormitories. The special-shaped columns are flush with the adjacent walls, making the indoor space of the building regular, which is beneficial to the placement of furniture and improves the utilization efficiency of the indoor space.

[0003] The existing profiled steel concrete special-shaped column structure is relatively single, unable to adapt to the building shape requirements needed in different building environments, and the outer sides of commonly used U-shaped steel pipes are prone to deformation due to factors such as pressure; therefore, it does not meet the existing requirements. For this reason, we propose a multi-chamber profiled steel concrete special-shaped column. Summary of the Invention

[0004] The purpose of the present invention is to provide a multi-chamber profiled steel concrete special-shaped column to solve the problems proposed in the above background technique that the profiled steel concrete special-shaped column structure is relatively single, unable to adapt to the building shape requirements needed in different building environments, and the outer sides of commonly used U-shaped steel pipes are prone to deformation due to factors such as pressure.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A multi-chamber profiled steel concrete special-shaped column, including a special-shaped structure module, the special-shaped structure module includes a splicing component and a connecting component, and the connecting component is movably installed inside the splicing component; The splicing component includes a solid steel frame, side round convex rods, trapezoidal convex blocks, cylindrical grooves, first trapezoidal grooves, second trapezoidal grooves, and U-shaped steel frames. U-shaped steel frames are welded and connected to both sides of the solid steel frame. Trapezoidal convex blocks are fixedly installed at the outer ends of the U-shaped steel frames. Side round convex rods are fixedly installed at one end angle position of the outer ends of the U-shaped steel frames. Two cylindrical grooves are provided on the other two surfaces of the solid steel frame. Second trapezoidal grooves are provided at the centers of the surfaces of the solid steel frame where the cylindrical grooves are located. First trapezoidal grooves are provided on both surfaces of the U-shaped steel frames close to the cylindrical grooves.

[0006] Preferably, the splicing component further includes concrete, connecting holes, movable grooves, and limiting grooves. Concrete is provided between the U-shaped steel frames and the solid steel frame. A plurality of connecting holes are provided on the outer surfaces of the U-shaped steel frames. Two movable grooves are provided inside the solid steel frame, and limiting grooves are provided inside the movable grooves.

[0007] Preferably, the connecting component includes an I-shaped plate, a connecting plug plate, a hinge groove and a hinge shaft. Hinge grooves are provided on both sides of the I-shaped plate. Hinge shafts are hingedly connected to both sides of the I-shaped plate through the hinge grooves. Connecting plug plates are fixedly installed at the outer ends of the hinge shafts.

[0008] Preferably, the connecting component further includes a limit convex buckle, an inclined surface, a telescopic groove and an elastic member. Telescopic grooves are provided on one side surface of each connecting plug plate. Limit convex buckles are slidably installed inside the telescopic grooves. Inclined surfaces are provided on the outer side surfaces of the limit convex buckles. Elastic members are movably installed between the limit convex buckles and the inside of the telescopic grooves.

[0009] Preferably, the special-shaped structure module is formed by splicing and combining four splicing components that are respectively rotated 0°, 90°, 180° and 270°. The four splicing components are mutually perpendicular and surround to form a square matrix structure, and a first-type inner cavity is formed at the inner position surrounded by the four splicing components. Among them, the side round convex rods on the surfaces of the four U-shaped steel frames are all movably clamped into the inside of the cylindrical grooves close to the first-type inner cavity. The side round convex rods on the surfaces of the other four U-shaped steel frames are respectively located at the four end corners of the square matrix. Among them, the trapezoidal convex blocks on one side of the surfaces of the four U-shaped steel frames are all movably clamped into the inside of the first trapezoidal grooves.

[0010] Preferably, the I-shaped plate is movably clamped into the inside of the concrete. The connecting plug plates on one side are all movably inserted into the inside of the movable grooves. The connecting plug plates on the other side are all movably inserted into the inside of the connecting holes. The limit convex buckles on the surfaces of the connecting plug plates located inside the movable grooves are all movably clamped into the inside of the limit grooves. The limit convex buckles on the surfaces of the connecting plug plates located inside the connecting holes are all movably clamped into the inside of the concrete and are in fit with the inner side surfaces of the U-shaped steel frames.

[0011] Preferably, the special-shaped structure module is formed by splicing and combining three splicing components that are respectively rotated 0°, 0° and 90°. The three splicing components are spliced into a cross matrix structure. The trapezoidal convex blocks on the surfaces of the two vertical U-shaped steel frames are all movably clamped into the inside of the second trapezoidal grooves on the surface of the horizontal solid steel frame. The side round convex rods on the surfaces of the two vertical U-shaped steel frames are all movably clamped into the inside of the cylindrical grooves on the surface of the horizontal solid steel frame.

[0012] Preferably, the I-shaped plates are all located at the included angles between the two U-shaped steel frames. The connecting plug plates are all movably clamped into the inside of the connecting holes. The limit convex buckles on the surfaces of the connecting plug plates are all movably clamped into the inside of the concrete and are in fit with the inner side surfaces of the U-shaped steel frames.

[0013] Preferably, the special-shaped structure module is formed by splicing and combining four splicing components rotated by 0° and five splicing components rotated by 90° with each other. A second-type inner cavity is formed at the inner position surrounded by every four splicing components. The trapezoidal bumps on the surface of the vertical U-shaped steel frame are all movably clamped into the inside of the second trapezoidal grooves on the surface of the horizontal solid steel frame, and the side-round convex rods on the surface of the vertical U-shaped steel frame are all movably clamped into the inside of the cylindrical grooves on the surface of the horizontal solid steel frame.

[0014] Preferably, the I-shaped plates are all located at the included angles between two U-shaped steel frames. The connecting plug plates are all movably clamped into the inside of the connecting holes. The limit buckles on the surface of the connecting plug plates are all movably clamped into the inside of the concrete and are attached to the inner surface of the U-shaped steel frame.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. In the present invention, different-shaped concrete special-shaped columns are formed by splicing and combining splicing components in different ways to adapt to different shape requirements in different building environments. And by welding the solid steel frame and the U-shaped steel frame, the solid steel frame can reinforce the two outer sides of the U-shaped steel frame, avoiding the deformation of the outer sides of the U-shaped steel frame due to pressure or other factors after long-term use of the device; 2. In the present invention, through the cooperation of the limit buckles and the elastic members, when the splicing components are spliced with each other, the connecting plug plates can be respectively inserted into the inside of the connecting holes or the movable grooves according to the different combined shapes of the splicing components. Subsequently, the limit buckles will pop out under the elastic force of the elastic members and be clamped into the inside of the concrete or the limit grooves. At this time, the straight surfaces on the surface of the limit buckles will be attached to the inner surface of the movable grooves or the U-shaped steel frame, thereby limiting the position of the connecting plug plates. Furthermore, two adjacent splicing components are connected and reinforced through the connecting plug plates, avoiding the loosening between the splicing components during the concrete pouring of the concrete, and the connecting components are fixed by the concrete to prevent the connecting components from falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the splicing component of the present invention; Figure 2 It is a structural schematic diagram of the connecting component of the present invention; Figure 3 It is a structural schematic diagram of the A-type special-shaped structure module of the present invention; Figure 4 It is a cross-sectional top view of the A-type special-shaped structure module of the present invention; Figure 5 It is a structural schematic diagram of the B-type special-shaped structure module of the present invention; Figure 6 It is a cross-sectional top view of the B-type special-shaped structure module of the present invention; Figure 7Schematic structural diagram of the C-shaped special-shaped structure module of the present invention; Figure 8 Cross-sectional top view of the C-shaped special-shaped structure module of the present invention; Figure 9 For the present invention Figure 4 Partial structural schematic diagram of part A in

[0017] In the figure: 1, special-shaped structure module; 2, splicing component; 201, solid steel frame; 202, concrete; 203, connection hole; 204, side round convex bar; 205, trapezoidal convex block; 206, cylindrical groove; 207, first trapezoidal groove; 208, movable groove; 209, limit groove; 210, second trapezoidal groove; 211, U-shaped steel frame; 3, connection component; 301, I-shaped plate; 302, connection plug board; 303, hinge groove; 304, hinge shaft; 305, limit convex buckle; 306, inclined surface; 307, telescopic groove; 308, elastic part; 4, first type inner cavity; 5, second type inner cavity. Specific implementation manners

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0019] Please refer to Figures 1 to 4 and Figure 9 , the first embodiment provided by the present invention: a multi-chamber steel-concrete special-shaped column, including a special-shaped structure module 1, the special-shaped structure module 1 includes a splicing component 2 and a connection component 3, and the connection component 3 is movably installed inside the splicing component 2; The splicing component 2 includes a solid steel frame 201, a side round convex bar 204, a trapezoidal convex block 205, a cylindrical groove 206, a first trapezoidal groove 207, a second trapezoidal groove 210 and a U-shaped steel frame 211. U-shaped steel frames 211 are welded and connected to both sides of the solid steel frame 201, trapezoidal convex blocks 205 are fixedly installed at the outer ends of the U-shaped steel frames 211, side round convex bars 204 are fixedly installed at one end angle position of the outer ends of the U-shaped steel frames 211, two cylindrical grooves 206 are provided on the other two surfaces of the solid steel frame 201, second trapezoidal grooves 210 are provided at the centers of the surfaces of the solid steel frame 201 where the cylindrical grooves 206 are provided, and first trapezoidal grooves 207 are provided on both surfaces of the U-shaped steel frames 211 close to the cylindrical grooves 206.

[0020] The splicing component 2 further includes concrete 202, connection holes 203, movable grooves 208 and limiting grooves 209. Concrete 202 is provided between the U-shaped steel frames 211 and the solid steel frames 201. A plurality of connection holes 203 are provided on the outer surfaces of the U-shaped steel frames 211. Two movable grooves 208 are provided inside each of the solid steel frames 201, and limiting grooves 209 are provided inside the movable grooves 208.

[0021] The connection component 3 includes an I-shaped plate 301, connection plug plates 302, hinge grooves 303 and hinge shafts 304. Hinge grooves 303 are provided on both sides of the I-shaped plate 301. Hinge shafts 304 are hingedly connected to both sides of the I-shaped plate 301 through the hinge grooves 303, and connection plug plates 302 are fixedly installed at the outer ends of the hinge shafts 304.

[0022] The connection component 3 further includes limiting convex buttons 305, inclined surfaces 306, telescopic grooves 307 and elastic members 308. Telescopic grooves 307 are provided on one side surface of each of the connection plug plates 302. Limiting convex buttons 305 are slidably installed inside the telescopic grooves 307. Inclined surfaces 306 are provided on the outer side surfaces of the limiting convex buttons 305, and elastic members 308 are movably installed between the limiting convex buttons 305 and the interiors of the telescopic grooves 307.

[0023] The special-shaped structure module 1 is formed by splicing and combining four splicing components 2 that are respectively rotated by 0°, 90°, 180° and 270°. The four splicing components 2 are mutually perpendicular and surround to form a square matrix structure, and a first-shaped inner cavity 4 is formed at the inner position surrounded by the four splicing components 2. Among them, the side round convex rods 204 on the surfaces of the four U-shaped steel frames 211 are all movably clamped into the interiors of the cylindrical grooves 206 close to the first-shaped inner cavity 4, and the other four side round convex rods 204 on the surfaces of the U-shaped steel frames 211 are respectively located at the four end corners of the square matrix. Among them, the trapezoidal convex blocks 205 on one side of the surfaces of the four U-shaped steel frames 211 are all movably clamped into the interiors of the first trapezoidal grooves 207.

[0024] By splicing and combining the splicing components 2 in different ways to form concrete special-shaped columns of different shapes to adapt to different shape requirements in different building environments, and by welding the solid steel frames 201 and the U-shaped steel frames 211, the solid steel frames 201 can reinforce the two outer sides of the U-shaped steel frames 211, avoiding the situation that the outer sides of the U-shaped steel frames 211 are deformed due to pressure or other factors after long-term use.

[0025] The I-shaped plate 301 is movably inserted into the interior of the concrete 202. The connecting plug plates 302 on one side are all movably inserted into the interior of the movable slots 208, and the connecting plug plates 302 on the other side are all movably inserted into the interior of the connecting holes 203. The limiting convex buttons 305 on the surface of the connecting plug plates 302 located inside the movable slots 208 are all movably snapped into the interior of the limiting slots 209. The limiting convex buttons 305 on the surface of the connecting plug plates 302 located inside the connecting holes 203 are all movably inserted into the interior of the concrete 202 and are in contact with the inner surface of the U-shaped steel frame 211.

[0026] The second embodiment is as Figure 1 , Figure 2 , Figure 5 and Figure 6 shown. This embodiment is the same as the other parts of Embodiment 1, and the differences are as follows: The special-shaped structure module 1 is formed by splicing and combining three splicing components 2 that are respectively rotated by 0°, 0°, and 90°. The three splicing components 2 are spliced together to form a cross matrix structure. The trapezoidal convex blocks 205 on the surfaces of the two vertical U-shaped steel frames 211 are all movably snapped into the interior of the second trapezoidal grooves 210 on the surface of the horizontal solid steel frame 201, and the side circular convex rods 204 on the surfaces of the two vertical U-shaped steel frames 211 are all movably inserted into the interior of the cylindrical grooves 206 on the surface of the horizontal solid steel frame 201.

[0027] The I-shaped plates 301 are all located at the included angle between the two U-shaped steel frames 211. The connecting plug plates 302 are all movably snapped into the interior of the connecting holes 203. The limiting convex buttons 305 on the surface of the connecting plug plates 302 are all movably inserted into the interior of the concrete 202 and are in contact with the inner surface of the U-shaped steel frame 211.

[0028] The third embodiment is as Figure 1 , Figure 2 , Figure 7 and Figure 8 shown. This embodiment is the same as the other parts of Embodiment 1, and the differences are as follows: The special-shaped structure module 1 is formed by splicing and combining four splicing components 2 rotated by 0° and five splicing components 2 rotated by 90°. A second-type inner cavity 5 is formed at the inner position surrounded by every four splicing components 2. The trapezoidal convex blocks 205 on the surface of the vertical U-shaped steel frame 211 are all movably snapped into the interior of the second trapezoidal grooves 210 on the surface of the horizontal solid steel frame 201, and the side circular convex rods 204 on the surface of the vertical U-shaped steel frame 211 are all movably inserted into the interior of the cylindrical grooves 206 on the surface of the horizontal solid steel frame 201.

[0029] The I-shaped plates 301 are all located at the included angle between the two U-shaped steel frames 211. The connecting plug plates 302 are all movably snapped into the interior of the connecting holes 203. The limiting convex buttons 305 on the surface of the connecting plug plates 302 are all movably inserted into the interior of the concrete 202 and are in contact with the inner surface of the U-shaped steel frame 211.

[0030] When in use, the multi-chamber profiled steel concrete special-shaped column can be spliced and combined by the splicing component 2 in different ways to form three different-shaped concrete special-shaped columns of types A, B, and C to adapt to different shape requirements in different building environments, where: Type A: It is formed by splicing and combining four splicing components 2 rotated by 0°, 90°, 180°, and 270° respectively. The four splicing components 2 are perpendicular to each other and surround to form a square matrix structure, and a first-type inner cavity 4 is formed at the inner position surrounded by the four splicing components 2. The connecting component 3 is installed on the inner side of the splicing component 2, so that the I-shaped plate 301 is movably clamped into the interior of the concrete 202, and the connecting plug plates 302 on the same side are all movably inserted into the interior of the movable groove 208, and the connecting plug plates 302 on the other side are all movably inserted into the interior of the connecting hole 203. At this time, the limiting buckles 305 on the surface of the connecting plug plates 302 located inside the movable groove 208 are all movably clamped into the interior of the limiting groove 209, and the limiting buckles 305 on the surface of the connecting plug plates 302 located inside the connecting hole 203 are all movably clamped into the interior of the concrete 202 and fit with the inner surface of the U-shaped steel frame 211; Type B: It is formed by splicing and combining three splicing components 2 rotated by 0°, 0°, and 90° respectively. The three splicing components 2 are spliced to form a cross matrix structure, and the connecting component 3 is installed at the included angle position of each U-shaped steel frame 211, so that the connecting plug plates 302 are all movably clamped into the interior of the connecting hole 203, and the limiting buckles 305 on the surface of the connecting plug plates 302 are all movably clamped into the interior of the concrete 202 and fit with the inner surface of the U-shaped steel frame 211; Type C: It is formed by splicing and combining four splicing components 2 rotated by 0° and five splicing components 2 rotated by 90°. A second-type inner cavity 5 is formed at the inner position surrounded by every four splicing components 2, and the connecting component 3 is installed at the included angle position of each U-shaped steel frame 211, so that the connecting plug plates 302 are all movably clamped into the interior of the connecting hole 203, and the limiting buckles 305 on the surface of the connecting plug plates 302 are all movably clamped into the interior of the concrete 202 and fit with the inner surface of the U-shaped steel frame 211; When the splicing components 2 are spliced with each other, the connecting plug plates 302 can be respectively inserted into the interior of the connecting hole 203 or the movable groove 208 according to the different combined shapes of the splicing components 2. Subsequently, the limiting buckles 305 will pop out under the elastic force of the elastic member 308 and be clamped into the interior of the concrete 202 or the limiting groove 209. At this time, the straight surface on the surface of the limiting buckles 305 will fit with the inner surface of the movable groove 208 or the U-shaped steel frame 211, so as to limit the position of the connecting plug plates 302, and further connect and reinforce two adjacent splicing components 2 through the connecting plug plates 302, avoiding the situation of looseness between the splicing components 2 during the concrete pouring of the concrete 202, and the connecting component 3 is fixed by the concrete to prevent the connecting component 3 from falling off By welding the solid steel frame 201 to the U-shaped steel frame 211, the solid steel frame 201 can reinforce the two outer sides of the U-shaped steel frame 211, preventing the outer sides of the U-shaped steel frame 211 from deforming due to pressure or other factors after long-term use of the device.

[0031] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Accordingly, all changes that fall within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A multi-cavity steel-concrete special-shaped column, comprising a special-shaped structural module (1), characterized in that: The special-shaped structural module (1) comprises a splicing component (2) and a connecting component (3), wherein the connecting component (3) is movably installed inside the splicing component (2); The splicing component (2) comprises a solid steel frame (201), a side round protrusion (204), a trapezoidal protrusion (205), a cylindrical groove (206), a first trapezoidal groove (207), a second trapezoidal groove (210) and a U-shaped steel frame (211); both sides of the solid steel frame (201) are welded to the U-shaped steel frame (211); the outer ends of the U-shaped steel frame (211) are fixedly mounted with a trapezoidal protrusion (205); a side round protrusion (204) is fixedly mounted at one end corner of the outer end of the U-shaped steel frame (211); two cylindrical grooves (206) are provided on the other two side surfaces of the solid steel frame (201); the center of the surface of the solid steel frame (201) provided with the cylindrical groove (206) is provided with a second trapezoidal groove (210); and the two side surfaces of the U-shaped steel frame (211) close to the cylindrical groove (206) are provided with a first trapezoidal groove (207).

2. The multi-cavity steel-concrete special-shaped column according to claim 1, characterized in that: The splicing component (2) further comprises concrete (202), connection holes (203), movable grooves (208) and limiting grooves (209); concrete (202) is provided between the U-shaped steel frame (211) and the solid steel frame (201); the outer surface of the U-shaped steel frame (211) is provided with a plurality of connection holes (203); the interior of the solid steel frame (201) is provided with two movable grooves (208); and the interior of the movable grooves (208) is provided with limiting grooves (209).

3. The multi-cavity steel-concrete special-shaped column according to claim 2, characterized in that: The connecting component (3) comprises an I-shaped plate (301), a connecting plug plate (302), a hinge groove (303) and a hinge shaft (304); hinge grooves (303) are provided on both sides of the I-shaped plate (301); hinge shafts (304) are hingedly connected to both sides of the I-shaped plate (301) via the hinge grooves (303); and the outer ends of the hinge shafts (304) are fixedly mounted with connecting plug plates (302).

4. The multi-cavity steel-concrete special-shaped column according to claim 3, characterized in that: The connecting component (3) further comprises a limiting convex buckle (305), an inclined surface (306), a telescopic groove (307) and an elastic member (308); one side surface of the connecting plug plate (302) is provided with a telescopic groove (307); the inside of the telescopic groove (307) is slidably mounted with a limiting convex buckle (305); the outer side surface of the limiting convex buckle (305) is provided with an inclined surface (306); and an elastic member (308) is movably mounted between the limiting convex buckle (305) and the inside of the telescopic groove (307).

5. The multi-cavity steel-concrete special-shaped column according to claim 4, characterized in that: The special-shaped structural module (1) is formed by four splicing parts (2) rotated by 0°, 90°, 180° and 270° respectively, which are spliced ​​together and assembled, the four splicing parts (2) mutually surrounding each other vertically to form a square matrix structure, and a first type of inner cavity (4) is formed at the inner side positions surrounded by the four splicing parts (2), wherein the side round protrusions (204) on the surfaces of the four U-shaped steel frames (211) are all movably inserted into the inside of the cylindrical groove (206) close to the first type of inner cavity (4), and the side round protrusions (204) on the surfaces of the other four U-shaped steel frames (211) are respectively located at the four end corners of the square matrix, wherein the trapezoidal protrusions (205) on one side of the surfaces of the four U-shaped steel frames (211) are all movably inserted into the inside of the first trapezoidal groove (207).

6. The multi-cavity steel-concrete special-shaped column according to claim 5, characterized in that: The I-shaped plate (301) is movably inserted into the interior of the concrete (202), wherein the connecting plug plates (302) on one side are movably inserted into the interior of the movable groove (208), and the connecting plug plates (302) on the other side are movably inserted into the interior of the connecting hole (203), and the limiting protrusions (305) on the surface of the connecting plug plates (302) located in the movable groove (208) are movably inserted into the interior of the limiting groove (209), and the limiting protrusions (305) on the surface of the connecting plug plates (302) located in the connecting hole (203) are movably inserted into the interior of the concrete (202) and fit with the inner surface of the U-shaped steel frame (211).

7. The multi-cavity steel-concrete special-shaped column according to claim 4, characterized in that: The special-shaped structural module (1) is formed by three splicing components (2) respectively rotated by 0°, 0° and 90°, which are spliced ​​together to form a cross matrix structure. The trapezoidal protrusions (205) on the surfaces of the two vertical U-shaped steel frames (211) are movably inserted into the interior of the second trapezoidal grooves (210) on the surface of the horizontal solid steel frame (201), and the side round protrusions (204) on the surfaces of the two vertical U-shaped steel frames (211) are movably inserted into the interior of the cylindrical grooves (206) on the surface of the horizontal solid steel frame (201).

8. The multi-cavity steel-concrete special-shaped column according to claim 7, characterized in that: The I-shaped plates (301) are all located at the angle between the two U-shaped steel frames (211), the connecting plug plates (302) are all movably inserted into the interior of the connecting holes (203), and the limiting protrusions (305) on the surfaces of the connecting plug plates (302) are all movably inserted into the interior of the concrete (202) and fit with the inner surface of the U-shaped steel frame (211).

9. The multi-cavity steel-concrete special-shaped column according to claim 4, characterized in that: The special-shaped structural module (1) is formed by four 0° rotated splicing parts (2) and five 90° rotated splicing parts (2) that are spliced ​​together, the inner side positions surrounded by each of the four splicing parts (2) form a second type of inner cavity (5), the trapezoidal protrusions (205) on the surface of the vertical U-shaped steel frame (211) are all movably inserted into the interior of the second trapezoidal groove (210) on the surface of the horizontal solid steel frame (201), and the side round protrusions (204) on the surface of the vertical U-shaped steel frame (211) are all movably inserted into the interior of the cylindrical groove (206) on the surface of the horizontal solid steel frame (201).

10. The multi-cavity steel-concrete special-shaped column according to claim 9, characterized in that: The I-shaped plates (301) are all located at the angle between the two U-shaped steel frames (211), the connecting plug plates (302) are all movably inserted into the interior of the connecting holes (203), and the limiting protrusions (305) on the surfaces of the connecting plug plates (302) are all movably inserted into the interior of the concrete (202) and fit with the inner surface of the U-shaped steel frame (211).

Images