Splicing structure of fabricated steel pipe concrete column

Abstract

The application relates to the field of building engineering, in particular to a splicing structure of a fabricated steel pipe concrete column, which comprises an upper steel pipe column, a splicing shell and a lower steel pipe column. The splicing shell, the connecting fixing rod, the upper sealing plate and the lower sealing plate used in the application are all processed in a factory, can be assembled and connected on a construction site after being transported to a construction site, reduce on-site welding work and formwork work, guarantee on-site construction quality, and improve building industrialization assembly efficiency. The second reinforcing rib is connected to the upper and lower ends of the fixed mounting frame, the top end of the second reinforcing rib is arranged in the interior of the upper steel pipe column and the lower steel pipe column, a plurality of arc-shaped grooves are uniformly arranged on the surface of the second reinforcing rib, and the first reinforcing rib is horizontally and parallelly welded on the inner cavity wall of the upper splicing groove and the lower splicing groove, so that the second reinforcing rib and the first reinforcing rib can be better adhered to the concrete when the concrete is poured, and the bearing capacity and deformation capacity of the steel pipe concrete column are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of construction engineering, in particular to a splicing structure of fabricated steel pipe concrete column. BACKGROUND

[0002] With the rapid development of urbanization construction in China, the traditional reinforced concrete structure has not met the building policy of "applicable, economic, green and beautiful" implemented by the state due to its large environmental pollution, high material and energy consumption, serious environmental pollution and low recycling rate of building materials. In order to seek new building methods, promote prefabricated concrete, steel structure and other building systems suitable for industrialized production, accelerate the development of prefabrication and assembly technology of construction engineering, and improve the integration level of building industrialization technology. Support the construction of industrialized base integrating design, production and construction, and carry out industrialized building demonstration pilot.

[0003] In the face of excessive consumption of resources and environment and the increasing shortage of labor force, the construction industry needs to be transformed and upgraded, and the modernization of the construction industry has become an inevitable trend of industry development. It is increasingly urgent to seek a new type of steel pipe concrete column and column connection structure with high assembly rate and prefabrication rate, which can use prefabricated component assembly line production and has better economy, to play the advantages of prefabricated structure and meet the needs of energy saving and environmental protection and building industrialization. SUMMARY

[0004] The purpose of the present application is to provide a splicing structure of fabricated steel pipe concrete column to solve the problems raised in the background art.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a splicing structure of fabricated steel pipe concrete column, comprising an upper steel pipe column, a splicing shell and a lower steel pipe column, an upper splicing groove is formed at the top of the inside of the splicing shell, a lower splicing groove is formed at the bottom of the inside of the splicing shell, a connecting through hole is arranged between the upper splicing groove and the lower splicing groove, a plurality of fixed mounting frames are welded in the connecting through hole, second reinforcing ribs are welded at the upper and lower ends of the fixed mounting frames, limit plates are arranged on the upper and lower sides of the connecting through hole, a plurality of first reinforcing ribs are welded on the inner wall of the upper splicing groove and the lower splicing groove, a connecting fixed rod is connected through the upper half of the side surface of the upper splicing groove and the lower half of the side surface of the lower splicing groove, the upper steel pipe column is installed in the inner cavity of the upper splicing groove, the upper steel pipe column is provided with an upper sealing plate installed at the top end of the upper splicing groove, a fixed clamping block is arranged at the bottom edge of the upper sealing plate, the lower steel pipe column is installed in the inner cavity of the lower splicing groove, and the lower steel pipe column is provided with a lower sealing plate installed at the bottom end of the lower splicing groove.

[0006] Preferably, the first reinforcing rib is horizontally parallel and welded on the inner wall of the upper and lower splicing grooves, and the first reinforcing rib does not contact with the outer wall of the upper and lower steel pipe columns, so that the connection is more firm when pouring concrete in the upper and lower splicing grooves.

[0007] Preferably, the limiting plate is arc-shaped in cross section and matches the curvature of the inner wall of the upper and lower steel pipe columns, and the limiting plate is tightly connected with the inner wall of the upper and lower steel pipe columns, so that the upper and lower splicing grooves are more accurately positioned and installed on the upper and lower steel pipe columns.

[0008] Preferably, the second reinforcing ribs on the upper and lower sides of the fixed mounting frame are arranged in the same number, the length of the second reinforcing rib is less than the length of the upper and lower splicing grooves, and the top end of the second reinforcing rib is arranged in the interior of the upper and lower steel pipe columns, and a plurality of arc-shaped grooves are uniformly arranged on the surface of the second reinforcing rib, so that the second reinforcing rib is better adhered to the concrete when pouring concrete.

[0009] Preferably, the connecting fixed rod is provided with four, and every two connecting fixed rods are cross-shaped and arranged in the interior of the upper and lower splicing grooves, the connecting fixed rod is fixed with the splicing shell through the first bolt, and the first bolt is provided with a fixed gasket at the connecting position with the splicing shell, so that the splicing shell is better connected and fixed with the upper and lower steel pipe columns.

[0010] Preferably, a plurality of air holes are uniformly arranged on the top of the upper sealing plate, and the air holes are communicated with the upper splicing groove.

[0011] Preferably, a sealing protection pad is arranged on the bottom surface of the upper sealing plate and connected with the upper steel pipe column, and a sealing protection pad is arranged on the top end of the lower sealing plate and connected with the lower splicing groove, so that the leakage of the concrete poured into the splicing shell can be effectively prevented.

[0012] Preferably, a fixed clamping groove is arranged on the top edge of the splicing shell, the fixed clamping block is clamped and fixedly connected with the fixed clamping groove, and the lower sealing plate is fixedly connected with the splicing shell through the second bolt.

[0013] Compared with the prior art, the beneficial effects of the present application are that the splicing shell, the connecting fixing rod, the upper sealing plate and the lower sealing plate used in the present application are all processed in the factory, and after being transported to the construction site, they can be assembled and connected on the construction site, reducing the on-site welding work and formwork work, ensuring the on-site construction quality, and improving the building industrialization assembly efficiency; the second reinforcing rib is connected to the upper and lower ends of the fixed mounting frame, the top end of the second reinforcing rib is arranged inside the upper steel pipe column and the lower steel pipe column, and a plurality of arc grooves are uniformly arranged on the surface of the second reinforcing rib, and the first reinforcing rib is horizontally and parallelly welded on the inner cavity wall of the upper splicing groove and the lower splicing groove, so that the second reinforcing rib and the first reinforcing rib are better adhered to the concrete during pouring of the concrete, thereby improving the bearing capacity and deformation capacity of the steel pipe concrete column; by arranging the limiting plate, the upper sealing plate and the lower sealing plate, the upper steel pipe column and the lower steel pipe column are placed inside the splicing shell and fixed through the connecting fixing rod, realizing the advantages of small self-weight, high bearing capacity, good fire resistance and fast construction progress. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a schematic view of the three-dimensional structure of the present application;

[0015] Figure 2 is a schematic view of the internal structure of the present application;

[0016] Figure 3 is a schematic view of the connecting fixing rod structure of the present application;

[0017] Figure 4 is a schematic view of the fixed mounting frame structure of the present application;

[0018] Figure 5 is a schematic view of the upper sealing plate and the lower sealing plate and the splicing shell connecting structure of the present application;

[0019] Figure 6 is a schematic view of the second reinforcing rib structure of the present application.

[0020] In the figure: 1, upper steel pipe column; 2, splicing shell; 3, lower steel pipe column; 4, upper sealing plate; 5, lower sealing plate; 6, air vent; 7, fixed gasket; 8, first bolt; 9, upper splicing groove; 10, first reinforcing rib; 11, fixed mounting frame; 12, second reinforcing rib; 13, limiting plate; 14, lower splicing groove; 15, connecting fixing rod; 16, connecting through hole; 17, sealing protection pad; 18, second bolt; 19, fixed clamping groove; 20, fixed clamping block; 21, arc groove. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of the present application.

[0022] In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0023] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "set", "mount", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Please refer to Figures 1-6 The present application provides a technical scheme: a splicing structure of a fabricated steel pipe concrete column, comprising an upper steel pipe column 1, a splicing shell 2 and a lower steel pipe column 3, an upper splicing groove 9 is formed at the top of the inside of the splicing shell 2, a lower splicing groove 14 is formed at the bottom of the inside of the splicing shell 2, a connecting through hole 16 is arranged between the upper splicing groove 9 and the lower splicing groove 14, a plurality of fixed mounting frames 11 are welded in the connecting through hole 16, second reinforcing ribs 12 are welded at the upper and lower ends of the fixed mounting frames 11, limit plates 13 are arranged on the upper and lower sides of the connecting through hole 16, a plurality of first reinforcing ribs 10 are uniformly welded on the inner cavity walls of the upper splicing groove 9 and the lower splicing groove 14, a connecting fixed rod 15 is connected through the upper half of the side surface of the upper splicing groove 9 and the lower half of the side surface of the lower splicing groove 14, the upper steel pipe column 1 is installed in the inner cavity of the upper splicing groove 9, an upper sealing plate 4 is installed at the top end of the side surface of the upper steel pipe column 1, a plurality of fixed clamping blocks 20 are arranged on the bottom edge of the upper sealing plate 4, the lower steel pipe column 3 is installed in the inner cavity of the lower splicing groove 14, and a lower sealing plate 5 is installed at the bottom end of the side surface of the lower steel pipe column 3.

[0025] Further, the first reinforcing rib 10 is horizontally and parallel welded on the inner wall of the upper splicing groove 9 and the lower splicing groove 14, and the first reinforcing rib 10 does not contact the outer wall of the upper steel pipe column 1 and the lower steel pipe column 3, so that the connection is more firm when pouring concrete in the upper splicing groove 9 and the lower splicing groove 14.

[0026] Further, the cross section of the limiting plate 13 is arc-shaped, and the arc-shaped cross section of the limiting plate 13 matches the arc of the inner wall of the upper steel pipe column 1 and the lower steel pipe column 3, so that the limiting plate 13 is tightly connected with the inner wall of the upper steel pipe column 1 and the lower steel pipe column 3, and the upper splicing groove 9 and the lower splicing groove 14 are more accurately positioned and installed on the upper steel pipe column 1 and the lower steel pipe column 3.

[0027] Further, the second reinforcing rib 12 arranged on the upper and lower sides of the fixed mounting frame 11 has the same number, the length of the second reinforcing rib 12 is less than the length of the upper splicing groove 9 and the lower splicing groove 14, the top end of the second reinforcing rib 12 is arranged in the interior of the upper steel pipe column 1 and the lower steel pipe column 3, and a plurality of arc-shaped grooves 21 are uniformly arranged on the surface of the second reinforcing rib 12, so that the second reinforcing rib 12 is better adhered to the concrete when pouring the concrete.

[0028] Further, the connecting fixed rod 15 is arranged in four, and every two connecting fixed rods 15 are arranged in a cross shape in the interior of the upper splicing groove 9 and the lower splicing groove 14, the connecting fixed rod 15 is fixed with the splicing shell 2 through the first bolt 8, and the first bolt 8 is provided with the fixed gasket 7 at the connecting position with the splicing shell 2, so that the splicing shell 2 is better connected and fixed with the upper steel pipe column 1 and the lower steel pipe column 3.

[0029] Further, a plurality of air holes 6 are uniformly arranged on the top of the upper sealing plate 4, and the air holes 6 are in communication with the upper splicing groove 9.

[0030] Further, the sealing protection pad 17 is arranged on the bottom surface of the upper sealing plate 4 and connected with the upper steel pipe column 1, and the sealing protection pad 17 is arranged on the top end of the lower sealing plate 5 and connected with the lower splicing groove 14, so that the leakage of the concrete poured into the splicing shell 2 can be effectively prevented.

[0031] Further, the fixed clamping groove 19 is arranged on the top edge of the splicing shell 2, the fixed clamping block 20 is clamped and fixedly connected with the fixed clamping groove 19, and the lower sealing plate 5 is fixedly connected with the splicing shell 2 through the second bolt 18.

[0032] Working principle: when splicing, the lower steel pipe column 3 is placed into the lower splicing groove 14, the lower steel pipe column 3 is embedded and connected with the limiting plate 13, then the connecting fixing rod 15 penetrates the splicing shell 2 and the lower steel pipe column 3, and is fixed and connected through the first bolt 8, further, the second bolt 18 fixes the lower sealing plate 5 at the bottom of the splicing shell 2, after the lower steel pipe column 3 is installed, the upper steel pipe column 1 is installed into the upper splicing groove 9 as the lower steel pipe column 3, finally, the concrete is poured into the upper steel pipe column 1, the splicing shell 2 is evenly filled with the concrete, and the splicing of the fabricated steel pipe concrete column is completed.

[0033] The splicing shell 2, the connecting fixing rod 15, the upper sealing plate 4 and the lower sealing plate 5 used in the application are all processed in a factory, are transported to a construction site and can be assembled and connected on the construction site, so that the on-site welding work and formwork work are reduced, the on-site construction quality is ensured, and the building industrialization assembly efficiency is improved; the second reinforcing rib 12 is connected to the upper and lower ends of the fixed mounting frame 11, the top end of the second reinforcing rib 12 is arranged in the inside of the upper steel pipe column 1 and the lower steel pipe column 3, a plurality of arc-shaped grooves 21 are uniformly arranged on the surface of the second reinforcing rib 12, and the first reinforcing rib 10 is horizontally and parallelly welded on the inner cavity wall of the upper splicing groove 9 and the lower splicing groove 14, so that the second reinforcing rib 12 and the first reinforcing rib 10 are better adhered to the concrete when the concrete is poured, and the bearing capacity and deformation capacity of the steel pipe concrete column are improved; the upper steel pipe column 1 and the lower steel pipe column 3 are arranged in the inside of the splicing shell 2 through the limiting plate 13, the upper sealing plate 4 and the lower sealing plate 5, and are fixed through the connecting fixing rod 15, so that the advantages of small structure self weight, high bearing capacity, good fire resistance and fast construction progress are realized.

[0034] Although the embodiments of the application have been shown and described, it is to be understood that the application is not limited to these embodiments. It will be obvious to those skilled in the art that various changes and modifications can be made to the embodiments without departing from the spirit and scope of the application. The scope of the application is defined by the appended claims and their equivalents.

Claims

1. A splicing structure of fabricated steel pipe concrete column, comprising an upper steel pipe column (1), a splicing shell (2) and a lower steel pipe column (3), characterized in that: An upper splicing groove (9) is provided at the top of the interior of the splicing shell (2), and a lower splicing groove (14) is provided at the bottom of the interior of the splicing shell (2). A connecting through hole (16) is provided between the upper splicing groove (9) and the lower splicing groove (14). A plurality of fixed mounting brackets (11) are welded inside the connecting through hole (16). Second reinforcing ribs (12) are welded at the upper and lower ends of the fixed mounting bracket (11). Limiting plates (13) are provided at the upper and lower edges of the connecting through hole (16). A plurality of fixed mounting brackets (11) are evenly welded on the inner walls of the upper splicing groove (9) and the lower splicing groove (14). A first reinforcing rib (10), the upper half of the side surface of the upper splicing groove (9) and the lower half of the side surface of the lower splicing groove (14) are penetrated and connected with a connecting fixing rod (15), an upper steel pipe column (1) is installed in the inner cavity of the upper splicing groove (9), an upper sealing plate (4) is installed on the side surface of the upper steel pipe column (1) at the top end of the upper splicing groove (9), a fixing block (20) is provided on the bottom edge of the upper sealing plate (4), a lower steel pipe column (3) is installed in the inner cavity of the lower splicing groove (14), and a lower sealing plate (5) is installed on the side surface of the lower steel pipe column (3) at the bottom end of the lower splicing groove (14).

2. The splicing structure of the fabricated steel pipe concrete column according to claim 1, characterized in that: The first reinforcing rib (10) is welded horizontally and parallely to the inner walls of the upper splicing groove (9) and the lower splicing groove (14), and the first reinforcing rib (10) does not contact the outer walls of the upper steel pipe column (1) and the lower steel pipe column (3).

3. The splicing structure of the fabricated steel pipe concrete column according to claim 1, characterized in that: The cross section of the limiting plate (13) is arc-shaped and matches the curvature of the inner side walls of the upper steel pipe column (1) and the lower steel pipe column (3). The limiting plate (13) is tightly fitted and connected to the inner side walls of the upper steel pipe column (1) and the lower steel pipe column (3).

4. The splicing structure of the fabricated steel pipe concrete column according to claim 1, characterized in that: The second reinforcing ribs (12) on the upper and lower sides of the fixed mounting frame (11) are arranged in the same number, the length of the second reinforcing ribs (12) is less than the length of the upper splicing groove (9) and the lower splicing groove (14), and the top of the second reinforcing ribs (12) is arranged inside the upper steel pipe column (1) and the lower steel pipe column (3), and a plurality of arc-shaped grooves (21) are evenly opened on the surface of the second reinforcing ribs (12).

5. The splicing structure of the fabricated steel pipe concrete column according to claim 1, characterized in that: A total of four connecting and fixing rods (15) are provided, and every two connecting and fixing rods (15) are cross-shaped and installed inside the upper splicing groove (9) and the lower splicing groove (14), respectively. The connecting and fixing rods (15) are fixed to the splicing shell (2) through a first bolt (8), and a fixing gasket (7) is provided at the connection between the first bolt (8) and the splicing shell (2).

6. The splicing structure of fabricated steel pipe concrete column according to claim 1, characterized in that: A plurality of air holes (6) are evenly arranged on the top of the upper sealing plate (4), and the air holes (6) pass through the upper sealing plate (4) and are connected to the upper splicing groove (9).

7. The splicing structure of the fabricated steel pipe concrete column according to claim 1, characterized in that: A sealing protective pad (17) is provided on the bottom surface of the upper sealing plate (4) and at the connection with the upper steel pipe column (1), and a sealing protective pad (17) is installed on the top surface of the lower sealing plate (5) and at the connection with the lower splicing groove (14).

8. The splicing structure of fabricated steel pipe concrete column according to claim 1, characterized in that: The spliced shell (2) is provided with a fixed clamping groove (19) at the top edge, the fixed clamping block (20) is fixedly connected with the fixed clamping groove (19), and the lower sealing plate (5) is fixedly connected with the spliced shell (2) through the second bolt (18).

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