Large-diameter concrete filled steel tubular column joint connecting assembly

Abstract

The utility model relates to a large-diameter steel pipe concrete column joint connecting assembly, and belongs to the technical field of constructional engineering, the large-diameter steel pipe concrete column joint connecting assembly comprises a first steel pipe column and a second steel pipe column, and a connecting assembly is arranged between the first steel pipe column and the second steel pipe column; the connecting assembly comprises a sleeve fixedly connected to the end face of the first steel pipe column, an inserting rod fixedly connected to the end face of the second steel pipe column, a fixing box fixedly connected to the outer wall of the first steel pipe column and a sealing plate fixedly connected to the outer wall of the second steel pipe column. The inserting rod is inserted into the inner side of the sleeve, and the sealing plate abuts against the upper end of the fixing box. According to the large-diameter steel pipe concrete column joint connecting assembly, the connecting joint between the first steel pipe column and the second steel pipe column is greatly enhanced, the joint strength is guaranteed, construction is convenient, good practicability is achieved, and the problem that in the prior art, a large-diameter steel pipe concrete column joint connecting mode is insufficient in connecting strength is solved.

Description

Technical Field

[0001] The present application relates to the technical field of construction engineering, and in particular to a large-diameter steel tube concrete column node connection assembly. Background Art

[0002] Steel tube concrete column is a structural form in which concrete is poured into a steel tube and compacted to increase the strength and rigidity of the steel tube. This structural form has the following characteristics: small cross-section and high bearing capacity: as the height and span of the building increase, the axial pressure value of the column becomes larger and larger. After the steel tube concrete column is adopted, the bearing capacity of the column can be improved due to the synergistic effect of the two materials, thereby reducing the cross-sectional size of the column; good plasticity, toughness and seismic performance: concrete is a brittle material under uniaxial stress state, while steel has good plasticity. When concrete is poured into the steel tube, the concrete can prevent the local buckling of the steel tube, while the steel tube can limit the cracking and deformation of the concrete, thereby showing good plasticity and stability. This structural form can absorb more seismic energy, so it has good seismic performance; good fire resistance: the core concrete in the steel tube concrete column has a high heat capacity. When a fire occurs, it can absorb part of the heat and reduce the temperature of the steel, thereby showing good fire resistance.

[0003] At present, large-diameter steel tube concrete columns are increasingly used in construction projects, but there are still some problems with their node connection methods. For example, when connecting steel tubes or with transverse members, most of them are connected by welding or bolts. Although the traditional welding connection method can achieve effective connection of the nodes, the thermal deformation and residual stress generated during the welding process may have an adverse effect on the bearing capacity of the structure. The single bolt connection method requires drilling holes in the steel tube, which not only destroys the continuity of the steel tube, but also may reduce the bearing capacity of the node and affect the connection strength. Therefore, a large-diameter steel tube concrete column node connection component is proposed to solve the above problems. Utility Model Content

[0004] In response to the shortcomings of the prior art, the present application provides a large-diameter steel tube concrete column node connection component, which has the advantages of high connection strength and convenient construction, and solves the problem of insufficient connection strength of large-diameter steel tube concrete column node connection methods in the prior art.

[0005] In summary, the present application provides the following technical solutions: a large-diameter steel tube concrete column node connection assembly, comprising a first steel tube column and a second steel tube column, wherein a connection assembly is provided between the first steel tube column and the second steel tube column;

[0006] The connection assembly includes a sleeve fixedly connected to the end face of the first steel pipe column, a plug rod fixedly connected to the end face of the second steel pipe column, a fixing box fixedly connected to the outer wall of the first steel pipe column, and a sealing plate fixedly connected to the outer wall of the second steel pipe column;

[0007] The insert rod is inserted into the inner side of the sleeve, the sealing plate is in contact with the upper end of the fixing box, and a casting cavity is formed between the sealing plate and the fixing box.

[0008] The present application adopts the above-mentioned technical scheme, and the arrangement of the plug rod and the sleeve facilitates the stable docking of the first steel pipe column and the second steel pipe column. The cooperation of the plug rod and the sleeve is used to reserve a certain gap between the first steel pipe column and the second steel pipe column after the docking. When concrete is poured into the inside of the first steel pipe column and the second steel pipe column, the concrete can flow into the pouring cavity through the gap between the two, thereby realizing the filling of concrete between the sealing plate and the fixing box. In this way, the connection node between the first steel pipe column and the second steel pipe column can be greatly enhanced, the node strength is guaranteed, the construction is convenient, and the practicability is good.

[0009] Furthermore, the number of the sleeves is set to four, and the four sleeves are evenly arranged along the end surface of the first steel pipe column.

[0010] The beneficial effect of adopting the above further solution is that the multiple sleeves can improve the stability of the docking between the first steel pipe column and the second steel pipe column, thereby avoiding relative rotation between the first steel pipe column and the second steel pipe column after docking.

[0011] Furthermore, the outer wall of the insertion rod is matched with the inner wall of the sleeve, and the number of the insertion rods is equal to the number of the sleeves.

[0012] The beneficial effect of adopting the above further solution is that by providing an equal number of inserting rods in the sleeve, it is convenient to ensure the smooth docking of the first steel pipe column and the second steel pipe column.

[0013] Furthermore, a cross bar is inserted into the inner side of the fixing box, and a socket matching the cross bar is provided on the inner side of the fixing box.

[0014] The beneficial effect of adopting the above further solution is that the crossbar can be easily installed through the provided socket.

[0015] Furthermore, the casting cavity is used to be filled with concrete.

[0016] The beneficial effect of adopting the above further solution is: using the pouring cavity to facilitate the filling of concrete between the sealing plate and the fixing box, thereby improving the strength of the node, and also reinforcing the crossbar installed on the fixing box, so that the installation is stable.

[0017] Furthermore, a first connecting piece and a second connecting piece are fixedly connected to the outer wall of the fixing box, and the first connecting piece and the second connecting piece are respectively located at the upper and lower sides of the cross bar.

[0018] The beneficial effect of adopting the above further solution is that the cross bar can be easily positioned by the first connecting piece and the second connecting piece.

[0019] Furthermore, fixing bolts are inserted between the sealing plate, the first connecting piece and the second connecting piece, and the fixing bolts pass through the inner side of the cross bar.

[0020] The beneficial effect of adopting the above further scheme is: the cooperation of the sealing plate, the first connecting plate, the second connecting plate and the fixing bolts facilitates the installation and fixation of the cross bar, while also realizing the fixation between the sealing plate and the fixing box, which helps to improve the connection strength between the first steel pipe column and the second steel pipe column.

[0021] Furthermore, the inner sides of the sealing plate, the first connecting plate, the second connecting plate and the cross bar are all provided with through holes adapted to the fixing bolts.

[0022] The beneficial effect of adopting the above further solution is that the fixing bolts can be easily installed through the opened through holes.

[0023] Compared with the prior art, the present application provides a large-diameter steel tube concrete column node connection assembly, which has the following beneficial effects:

[0024] 1. The large-diameter steel tube concrete column node connection component facilitates the stable docking of the first steel tube column and the second steel tube column by setting the plug rod and the sleeve. The cooperation of the plug rod and the sleeve allows a certain gap to be reserved between the first steel tube column and the second steel tube column after the docking. When concrete is poured inside the first steel tube column and the second steel tube column, the concrete can flow into the pouring cavity through the gap between the two, thereby filling the concrete between the sealing plate and the fixing box. In this way, the connection node between the first steel tube column and the second steel tube column can be greatly enhanced, the node strength is guaranteed, the construction is convenient, and the system has good practicality, thereby solving the problem of insufficient connection strength of the large-diameter steel tube concrete column node connection method in the prior art.

[0025] 2. The large-diameter steel tube concrete column node connection assembly facilitates the installation and fixation of the cross bar through the cooperation of the cover plate, the first connecting plate, the second connecting plate and the fixing bolts. After pouring concrete in the fixing box, it can also reinforce the cross bar. At the same time, it also realizes the fixation between the cover plate and the fixing box, which helps to improve the connection strength between the first steel tube column and the second steel tube column. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a cross-sectional view of the structure of this application;

[0027] Figure 2 It is a schematic diagram of the structure of this application after pouring concrete;

[0028] Figure 3 It is the front view of the structure of this application;

[0029] Figure 4 It is a schematic diagram of the structural distribution of the sleeve of this application.

[0030] Description of reference numerals:

[0031] 1. First steel pipe column; 2. Second steel pipe column; 3. Sleeve; 4. Insert rod; 5. Fixing box; 6. Closing plate; 7. Casting cavity; 8. Cross bar; 9. First connecting piece; 10. Second connecting piece; 11. Fixing bolt; 12. Concrete. DETAILED DESCRIPTION

[0032] See also Figure 1-4 A large-diameter steel tube concrete column node connection component includes a first steel tube column 1 and a second steel tube column 2, and a connection component is arranged between the first steel tube column 1 and the second steel tube column 2.

[0033] See also Figure 1 In this embodiment, the connection assembly includes a sleeve 3 fixedly connected to the end face of the first steel pipe column 1, a plug rod 4 fixedly connected to the end face of the second steel pipe column 2, a fixing box 5 fixedly connected to the outer wall of the first steel pipe column 1, and a sealing plate 6 fixedly connected to the outer wall of the second steel pipe column 2. Among them, the plug rod 4 is inserted into the inner side of the sleeve 3, the sealing plate 6 is in contact with the upper end of the fixing box 5, and a casting cavity 7 is formed between the sealing plate 6 and the fixing box 5.

[0034] See also Figure 1 In this embodiment, a cross bar 8 is inserted into the inner side of the fixing box 5, and a socket adapted to the cross bar 8 is provided on the inner side of the fixing box 5, and the cross bar 8 is conveniently installed through the provided socket. A first connecting piece 9 and a second connecting piece 10 are respectively fixedly connected to the outer wall of the fixing box 5, and the first connecting piece 9 and the second connecting piece 10 are respectively located at the upper and lower sides of the cross bar 8, and the first connecting piece 9 and the second connecting piece 10 are convenient for positioning the cross bar 8.

[0035] It should be noted that a fixing bolt 11 is inserted between the sealing plate 6, the first connecting piece 9 and the second connecting piece 10, and the fixing bolt 11 passes through the inner side of the cross bar 8. The sealing plate 6, the first connecting piece 9, the second connecting piece 10 and the inner side of the cross bar 8 are all provided with through holes adapted to the fixing bolt 11, and the fixing bolt 11 is conveniently installed through the opened through holes. The cooperation of the sealing plate 6, the first connecting piece 9, the second connecting piece 10 and the fixing bolt 11 facilitates the installation and fixing of the cross bar 8, and also realizes the fixation between the sealing plate 6 and the fixing box 5, which helps to improve the connection strength of the first steel pipe column 1 and the second steel pipe column 2.

[0036] It can be understood that the pouring cavity 7 is used to fill concrete 12. The pouring cavity 7 is used to facilitate the filling of concrete 12 between the sealing plate 6 and the fixing box 5, thereby improving the node strength. At the same time, it also reinforces the cross bar 8 installed on the fixing box 5, and the installation stability is strong.

[0037] See also Figure 2 In this embodiment, the insertion rod 4 and the sleeve 3 are used to cooperate with each other to reserve a certain gap between the first steel pipe column 1 and the second steel pipe column 2 after they are connected. When concrete 12 is poured inside the first steel pipe column 1 and the second steel pipe column 2, the concrete 12 can flow into the pouring cavity 7 through the gap between the two, thereby filling the space between the sealing plate 6 and the fixing box 5 with concrete 12, greatly strengthening the connection node between the first steel pipe column 1 and the second steel pipe column 2.

[0038] See also Figure 4 In this embodiment, the number of sleeves 3 is set to four, and the four sleeves 3 are evenly arranged along the end surface of the first steel pipe column 1. The multiple sleeves 3 can improve the stability of the docking between the first steel pipe column 1 and the second steel pipe column 2, and avoid relative rotation between the first steel pipe column 1 and the second steel pipe column 2 after docking.

[0039] It should be noted that the outer wall of the plug rod 4 is adapted to the inner wall of the sleeve 3, and the number of the plug rods 4 is arranged equal to the number of the sleeves 3. By setting the same number of plug rods 4 as the sleeves 3, it is convenient to ensure the smooth docking of the first steel pipe column 1 and the second steel pipe column 2.

[0040] The working principle of the above embodiment is:

[0041] When the present application is in use, the arrangement of the insert rod 4 and the sleeve 3 facilitates the stable docking of the first steel pipe column 1 and the second steel pipe column 2, and the cooperation of the insert rod 4 and the sleeve 3 allows a certain gap to be reserved between the first steel pipe column 1 and the second steel pipe column 2 after docking. When concrete 12 is poured inside the first steel pipe column 1 and the second steel pipe column 2, the concrete 12 can flow into the pouring cavity 7 through the gap between the two, thereby achieving the filling of the concrete 12 between the sealing plate 6 and the fixing box 5, thereby increasing the connection strength between the first steel pipe column 1 and the second steel pipe column 2;

[0042] When the cross bar 8 is installed on the fixing box 5, the cross bar 8 is easily installed and fixed by the cooperation of the sealing plate 6, the first connecting piece 9, the second connecting piece 10 and the fixing bolts 11. After the concrete 12 is poured into the fixing box 5, the cross bar 8 can also be reinforced.

Claims

1. A large-diameter steel tube concrete column node connection assembly, comprising a first steel tube column (1) and a second steel tube column (2), characterized in that: A connection assembly is provided between the first steel pipe column (1) and the second steel pipe column (2); The connection assembly comprises a sleeve (3) fixedly connected to the end surface of the first steel pipe column (1), an insertion rod (4) fixedly connected to the end surface of the second steel pipe column (2), a fixing box (5) fixedly connected to the outer wall of the first steel pipe column (1), and a sealing plate (6) fixedly connected to the outer wall of the second steel pipe column (2); The insertion rod (4) is inserted into the inner side of the sleeve (3), the sealing plate (6) is in contact with the upper end of the fixing box (5), and a casting cavity (7) is formed between the sealing plate (6) and the fixing box (5).

2. A large diameter steel tube concrete column node connection assembly according to claim 1, characterized in that: The number of the sleeves (3) is set to four, and the four sleeves (3) are evenly arranged along the end surface of the first steel pipe column (1).

3. A large diameter steel tube concrete column node connection assembly according to claim 2, characterized in that: The outer wall of the insertion rod (4) is matched with the inner wall of the sleeve (3), and the number of the insertion rods (4) is equal to the number of the sleeves (3).

4. A large diameter steel tube concrete column node connection assembly according to claim 1, characterized in that: A cross bar (8) is plugged into the inner side of the fixing box (5), and a socket matching the cross bar (8) is provided on the inner side of the fixing box (5).

5. The large-diameter steel tube concrete column node connection assembly according to claim 1, characterized in that: The pouring cavity (7) is used to be filled with concrete (12).

6. A large diameter steel tube concrete column node connection assembly according to claim 4, characterized in that: A first connecting piece (9) and a second connecting piece (10) are respectively fixedly connected to the outer wall of the fixing box (5), and the first connecting piece (9) and the second connecting piece (10) are respectively located at the upper and lower sides of the cross bar (8).

7. A large diameter steel tube concrete column node connection assembly according to claim 6, characterized in that: A fixing bolt (11) is inserted between the sealing plate (6), the first connecting plate (9) and the second connecting plate (10), and the fixing bolt (11) passes through the inner side of the cross bar (8).

8. The large-diameter steel tube concrete column node connection assembly according to claim 7, characterized in that: The inner sides of the sealing plate (6), the first connecting plate (9), the second connecting plate (10) and the cross bar (8) are all provided with through holes adapted to fit the fixing bolts (11).

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