Steel structure concrete combined special-shaped column

By creating perforations on the side of the steel pipe column and connecting them with round pipes and insert rods, combined with the U-shaped frame and steel rods of the supporting beam mechanism, the problem of insufficient connection strength of steel components was solved, a stable connection between the irregular column and the wall was achieved, and the overall structural strength was improved.

CN223937470UActive Publication Date: 2026-02-24CHANGSHA SANYUAN STEEL STRUCTURE
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Patent Information

Application Number
CN202520547200.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-02-24
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

In existing technologies, the connection between steel pipe columns and U-shaped components and angle steel requires a lot of welding, which makes it difficult to guarantee the connection strength. Furthermore, the connection between the concrete and the steel components is unstable after the concrete is poured, affecting the overall strength of the irregular column and the connection strength with the wall.

Method used

Perforations are made on the side of the steel pipe column, and round pipes and insert rods are used for connection. Combined with the U-shaped frame and steel rod of the supporting beam mechanism, the stable connection between the components is ensured by welding and concrete pouring.

Benefits of technology

Reduce welding difficulty, enhance the connection strength between steel pipe columns and U-shaped components, ensure a tight connection between concrete and steel components, and improve the connection strength between irregular columns and walls.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel structure concrete combined special-shaped column, which belongs to the technical field of steel structures and comprises a first square tubular column, and a plurality of second square tubular columns are fixedly connected to the side surface of the first square tubular column. According to the utility model, the plurality of first through holes are formed in the side part of the first square tubular column, the plurality of second through holes are formed in the side part of the second square tubular column, and when the first square tubular column and the second square tubular column are spliced, segment welding is carried out at the joint of the first square tubular column and the second square tubular column, so that the welding difficulty is reduced; in addition, round pipes penetrate into the first penetrating holes and the second penetrating holes, and when concrete is poured into the first square pipe column and the second square pipe column, the concrete and the round pipes are connected in a fastened mode, so that the first square pipe column and the second square pipe column are reinforced, and meanwhile the connection strength between the concrete and the first square pipe column and the connection strength between the concrete and the second square pipe column are guaranteed.
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Description

Technical Field

[0001] This utility model relates to the field of steel structure technology, and more specifically, to a steel structure concrete composite irregular column. Background Technology

[0002] Irregular columns refer to columns whose cross-sectional geometry differs from the commonly used rectangular cross-section. They mainly include L-shaped, T-shaped, and cross-shaped columns, and are an important component of prefabricated steel structure buildings.

[0003] A search revealed that utility model patent CN213805827U discloses a spliced ​​irregular steel pipe concrete column-beam connection node, comprising multiple steel pipe columns arranged vertically. Each steel pipe column is formed by connecting two channel steels, with the slots of the two channel steels facing each other and connected to form the steel pipe column. Multiple steel pipe columns are combined to form a composite irregular column. The adjacent and parallel sides of two adjacent steel pipe columns are staggered and fixedly connected together. This patent uses channel steel as the basic unit to splice the steel pipe column, using fewer types of components, improving the standardization of components and industrialization of production. It can also effectively avoid the cold bending zone of steel, preventing stress concentration in the cold bending zone, effectively improving welding quality, and facilitating positioning. The spliced ​​irregular steel pipe concrete column and the surface of the node area are flat, ensuring the aesthetics of the building and reducing additional costs for building decoration and renovation.

[0004] However, the aforementioned patents have the following shortcomings: When connecting the steel pipe columns, U-shaped components, and angle steel, extensive welding is required for fixation; otherwise, it is difficult to guarantee the connection strength between the steel pipe columns and the U-shaped components and angle steel, thus increasing the difficulty of assembling irregularly shaped columns. Furthermore, when concrete is poured to the inside of the steel pipe columns, U-shaped components, and angle steel, since the inner surfaces of these components are flat, it is difficult to ensure an effective connection between the concrete and the steel pipe columns, U-shaped components, and angle steel, affecting the overall strength of the irregularly shaped column. Additionally, when brick walls are continued to be built at the ends of the irregularly shaped column, it is difficult to guarantee the connection strength between the irregularly shaped column and the wall. Therefore, we propose a steel-concrete composite irregularly shaped column. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of this utility model is to provide a steel structure concrete composite irregular column.

[0006] To solve the above problems, the present invention adopts the following technical solution:

[0007] A steel-concrete composite irregular-shaped column includes a first square tube column, with multiple second square tube columns fixedly connected to the side of the first square tube column. A support beam mechanism is provided on the outer side of the top of each of the second square tube columns. Multiple first through holes are provided on the multiple sides of the first square tube column, and multiple second through holes are provided on the two sides of each of the second square tube columns. A circular tube is fitted inside the cavity of each of the multiple second through holes. One end of each circular tube extends through the first through hole into the cavity of the first square tube column, and the other end of each circular tube is provided with a connecting mechanism. Lower sealing plates are fixedly fitted to the bottom of both the first and second square tube columns, and upper cover plates are fixedly fitted to the top of both the first and second square tube columns. A pouring port is provided on the top surface of the upper cover plate.

[0008] As a preferred embodiment of this utility model, the connecting mechanism includes an insert rod sleeved in the inner cavity of the circular tube, the end of which extends to the outside of the second square tube column and is fixedly connected to a U-shaped rod.

[0009] As a preferred embodiment of this utility model, the support beam mechanism includes a U-shaped frame fixedly connected to the top side of the second square tube column. An end plate is fixedly sleeved at the end of the U-shaped frame. A third through hole is opened on the end plate. A steel rod is sleeved in the inner cavity of the third through hole. One end of the steel rod passes through the second through hole, the second square tube column, and the first through hole, extending to the inner cavity of the first square tube column. A plurality of connecting rods are fixedly connected to the side of the other end of the steel rod.

[0010] As a preferred embodiment of this utility model, the sides of the first square tube column and the second square tube column are provided with multiple first welding bevels, and the ends of the U-shaped frame are provided with multiple second welding bevels.

[0011] In a preferred embodiment of this utility model, the outer diameter of the circular tube is equal to the inner diameter of the first through hole and the second through hole, respectively, and the outer diameter of the insertion rod is equal to the inner diameter of the circular tube.

[0012] In a preferred embodiment of this utility model, the outer diameter of the steel rod is equal to the inner diameter of the first through hole, the second through hole, and the third through hole, respectively.

[0013] Compared with the prior art, the advantages of this utility model are as follows: In this utility model, multiple first through holes are opened on the side of the first square tube column, and multiple second through holes are opened on the side of the second square tube column. When the first and second square tube columns are spliced, segment welding is performed at the connection between the first and second square tube columns to reduce the difficulty of welding. In addition, round tubes are inserted into the first and second through holes. When concrete is poured into the first and second square tube columns, the concrete and the round tubes are tightly connected, thereby reinforcing the first and second square tube columns and ensuring the connection strength between the concrete and the first and second square tube columns. A U-shaped frame is welded to the side of the top of the second square tube column, and a steel rod is placed on the U-shaped frame. One end of the steel rod is inserted into the inner cavity of the first square tube column through the third, second, and first through holes, and the other end of the steel rod is provided with a connecting rod. When concrete is poured into the inner cavity of the U-shaped frame, the connection strength between the concrete and the U-shaped frame is ensured, as well as the connection strength between the U-shaped frame and the second square tube column.

[0014] In this invention, when bricklaying is required on the side of the second square tube column, a plug can be inserted into the end of the round tube so that the U-shaped rod is placed in the concrete above the brick. The cooperation between the concrete, the U-shaped rod, the plug, and the round tube ensures the connection strength between the brick wall and the second square tube column, thus ensuring the connection strength between the irregular column and the wall. This invention is highly practical. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is an exploded view of the overall structure of this utility model;

[0017] Figure 3 This is a cross-sectional schematic diagram of the U-shaped frame of this utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the second square tube column of this utility model;

[0019] Figure 5 This is a schematic diagram of the U-shaped frame of this utility model;

[0020] Figure 6 This is a schematic diagram of the U-shaped rod of this utility model.

[0021] Explanation of the labels in the diagram:

[0022] 1. First square tube column; 2. Second square tube column; 3. First perforation; 4. Second perforation; 5. Circular tube; 6. Connecting mechanism; 7. Support beam mechanism; 8. Lower sealing plate; 9. Upper cover plate; 10. Pouring port; 11. Insert rod; 12. U-shaped rod; 13. U-shaped frame; 14. End plate; 15. Third perforation; 16. Steel rod; 17. Connecting rod; 18. First welding bevel; 19. Second welding bevel. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0024] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Example 1

[0026] Please see Figure 1-6A steel-concrete composite irregular column includes a first square tube column 1, multiple second square tube columns 2 fixedly connected to the side of the first square tube column 1, a support beam mechanism 7 provided on the outer side of the top of each of the second square tube columns 2, multiple first through holes 3 opened on multiple sides of the first square tube column 1, multiple second through holes 4 opened on both sides of the second square tube columns 2, a round tube 5 sleeved in the inner cavity of each of the multiple second through holes 4, one end of each round tube 5 extending through the first through hole 3 into the inner cavity of the first square tube column 1, and a connecting mechanism 6 provided at the other end of each round tube 5, a lower sealing plate 8 fixedly sleeved at the bottom of the first square tube column 1 and the second square tube column 2, and an upper cover plate 9 fixedly sleeved at the top of the first square tube column 1 and the second square tube column 2, with a pouring port 10 opened on the top surface of the upper cover plate 9.

[0027] In this embodiment, the first square tube column 1 and the second square tube column 2 are both precision steel seamless square tubes, and the corners of the square tubes are right angles. In addition, the positions of the first through hole 3 and the second through hole 4 are matched, and the first through hole 3 and the second through hole 4 are positioned and drilled by drilling template.

[0028] For details, please refer to Figure 1 , Figure 2 and Figure 6 The connecting mechanism 6 includes a rod 11 sleeved inside the round tube 5, the end of the rod 11 extending to the outside of the second square tube column 2 and fixedly connected to a U-shaped rod 12.

[0029] In this embodiment, when bricks are laid on the side of the second square column 2, the insertion rod 11 at the end of the U-shaped rod 12 is inserted into the round pipe 5, and the U-shaped rod 12 is placed in the concrete above the bricks, so as to ensure the connection strength between the brick wall and the second square column 2.

[0030] For details, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 5 The supporting beam mechanism 7 includes a U-shaped frame 13 fixedly connected to the top side of the second square tube column 2. An end plate 14 is fixedly sleeved at the end of the U-shaped frame 13. A third through hole 15 is opened on the end plate 14. A steel rod 16 is sleeved in the inner cavity of the third through hole 15. One end of the steel rod 16 passes through the second through hole 4, the second square tube column 2, and the first through hole 3 and extends to the inner cavity of the first square tube column 1. A plurality of connecting rods 17 are fixedly connected to the side of the other end of the steel rod 16.

[0031] In this embodiment, when pouring concrete into the inner cavity of the U-shaped frame 13, the connection strength between the concrete and the U-shaped frame 13 is ensured by the cooperation of the steel rod 16 and the connecting rod 17. At the same time, the steel rod 16 is used to ensure the connection strength between the U-shaped frame 13 and the second square tube column 2 and the first square tube column 1.

[0032] For details, please refer to Figure 1 , Figure 4and Figure 5 The sides of the first square tube column 1 and the second square tube column 2 are provided with multiple first welding bevels 18, and the ends of the U-shaped frame 13 are provided with multiple second welding bevels 19.

[0033] In this embodiment, the first welding bevel 18 facilitates welding between the first square tube column 1 and the second square tube column 2, and the second welding bevel 19 facilitates welding the U-shaped frame 13 onto the second square tube column 2.

[0034] For details, please refer to Figure 2 The outer diameter of the round tube 5 is equal to the inner diameter of the first through hole 3 and the second through hole 4, respectively, and the outer diameter of the insertion rod 11 is equal to the inner diameter of the round tube 5.

[0035] In this embodiment, the stability of the round tube 5 inserted into the inner cavity of the first through hole 3 and the second through hole 4 is ensured, while the stability of the insertion rod 11 inserted into the round tube 5 is also ensured.

[0036] For details, please refer to Figure 2 and Figure 5 The outer diameter of the steel rod 16 is equal to the inner diameter of the first through hole 3, the second through hole 4, and the third through hole 15, respectively.

[0037] In this embodiment, the stability of the steel rod 16 when inserted into the first through hole 3, the second through hole 4 and the third through hole 15 is ensured.

[0038] Working principle: In use, firstly, upper and lower sealing plates 8 are welded to the bottom of both the first square tube column 1 and the second square tube column 2, and upper cover plates 9 are welded to the top of both the first square tube column 1 and the second square tube column 2. Additionally, multiple first through holes 3 are opened on several sides of the first square tube column 1. When the irregularly shaped column is L-shaped, the first through holes 3 are located on two adjacent sides of the first square tube column 1; when the irregularly shaped column is T-shaped, the first through holes 3 are located on three sides of the first square tube column 1; and when the irregularly shaped column is cross-shaped, the first through holes 3 are located on four sides of the first square tube column 1. Simultaneously, multiple second through holes are opened on two opposite sides of the second square tube column 2. Hole 4 is made so that the positions of the second through hole 4 and the first through hole 3 are matched. An end plate 14 is welded to the end of the U-shaped frame 13. Then, multiple second square tube columns 2 are placed on multiple sides of the first square tube column 1. Simultaneously, a first welding bevel 18 is machined on the sides of the first square tube column 1 and the second square tube column 2. A segment weld is performed between the first square tube column 1 and the second square tube column 2 through the first welding bevel 18 to fix the first square tube column 1 and the second square tube column 2. The end of the U-shaped frame 13 is attached to the side of the top of the second square tube column 2. A second welding bevel 19 is first machined on the end of the U-shaped frame 13. This is done so that the U-shaped frame 13 can be welded to the side of the second square tube column 2. Then, round tubes 5 are inserted into the multiple second perforations 4 on the outside of the second square tube column 2, and the ends of the round tubes 5 are inserted into the inner cavity of the first square tube column 1 through the first perforation 3. In addition, the round tubes 5 and the second square tube column 2 are welded and fixed from the outside of the second square tube column 2. In addition, one end of the steel rod 16 is inserted into the first square tube column 1 through the third perforation 15, the second perforation 4 and the first perforation 3, and the end plate 14 and the steel rod 16 are welded together. Finally, concrete is injected into the inner cavity of the first square tube column 1 and the second square tube column 2 through the pouring port 10 on the upper cover plate 9. Simultaneously, concrete is poured into the inner cavity of the U-shaped frame 13, connecting the round pipes 5 inserted into the first square pipe column 1 and the second square pipe column 2 with the concrete, ensuring the connection strength between the first square pipe column 1 and the second square pipe column 2. In addition, the steel rod 16 and the connecting rod 17 are connected with the concrete, ensuring the connection strength between the U-shaped frame 13, the second square pipe column 2 and the first square pipe column 1. Furthermore, when laying bricks on the side of the second square pipe column 2, the insert rod 11 can be inserted into the end of the round pipe 5, and the U-shaped rod 12 is placed in the concrete above the bricks to ensure the connection strength between the brick wall and the second square pipe column 2.

[0039] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model based on the technical solution and its improved concept should be covered within the protection scope of the present utility model.

Claims

1. A steel-concrete composite irregular-shaped column, comprising a first square tube column (1), characterized in that: Multiple second square tube columns (2) are fixedly connected to the side of the first square tube column (1). A support beam mechanism (7) is provided on the outer side of the top of each of the second square tube columns (2). Multiple first through holes (3) are opened on multiple sides of the first square tube column (1). Multiple second through holes (4) are opened on both sides of the second square tube column (2). A round tube (5) is sleeved in the inner cavity of each of the multiple second through holes (4). One end of the round tube (5) extends through the first through hole (3) to the inner cavity of the first square tube column (1). A connecting mechanism (6) is provided at the other end of the round tube (5). A lower sealing plate (8) is fixedly sleeved at the bottom of the first square tube column (1) and the second square tube column (2). An upper cover plate (9) is fixedly sleeved at the top of the first square tube column (1) and the second square tube column (2). A pouring port (10) is opened on the top surface of the upper cover plate (9).

2. The steel-concrete composite irregular-shaped column according to claim 1, characterized in that: The connecting mechanism (6) includes a plug (11) sleeved in the inner cavity of the round tube (5), the end of the plug (11) extending to the outside of the second square tube column (2) and fixedly connected to a U-shaped rod (12).

3. A steel-concrete composite irregular-shaped column according to claim 1, characterized in that: The supporting beam mechanism (7) includes a U-shaped frame (13) fixedly connected to the top side of the second square column (2). An end plate (14) is fixedly sleeved at the end of the U-shaped frame (13). A third through hole (15) is opened on the end plate (14). A steel rod (16) is sleeved in the inner cavity of the third through hole (15). One end of the steel rod (16) extends through the second through hole (4), the second square column (2), and the first through hole (3) to the inner cavity of the first square column (1). A plurality of connecting rods (17) are fixedly connected to the side of the other end of the steel rod (16).

4. A steel-concrete composite irregular-shaped column according to claim 3, characterized in that: The first square tube column (1) and the second square tube column (2) are provided with multiple first welding bevels (18) on their sides, and the U-shaped frame (13) is provided with multiple second welding bevels (19) at its end.

5. A steel-concrete composite irregular-shaped column according to claim 2, characterized in that: The outer diameter of the round tube (5) is equal to the inner diameter of the first through hole (3) and the second through hole (4), respectively, and the outer diameter of the insertion rod (11) is equal to the inner diameter of the round tube (5).

6. A steel-concrete composite irregular-shaped column according to claim 3, characterized in that: The outer diameter of the steel rod (16) is equal to the inner diameter of the first through hole (3), the second through hole (4), and the third through hole (15).

Citation Information

Patent Citations

  • Beam-column connecting joint for spliced special-shaped concrete filled steel tubular column

    CN213805827U