A prefabricated square steel tube concrete column and H-shaped steel beam connection node

Abstract

The invention relates to the technical field of building engineering assembly, and discloses an assembled square steel tube concrete column and H-shaped steel beam connection node. The assembled node is welded by welding a support block to the outer surface of the square steel tube concrete column, and then two lap plates are respectively welded to the left and right sides of the square steel tube concrete column, and then the side of the U-shaped block equipped with a support rod is inserted into the support block, so that the support rod passes through a connection hole provided in the support block and is inserted into the inside of the square steel tube concrete column, so that the square steel tube concrete column and the square steel tube concrete column can form a whole after concrete pouring, thereby increasing the strength and stability of the node, and then the U-shaped block is connected to the support block by vertical high-strength bolts, and then the U-shaped block is connected to the lap plate by horizontal high-strength bolts, and at the same time, an H-shaped steel is welded on the side of the U-shaped block away from the support rod before the U-shaped block is installed, so as to complete the connection node of the square steel tube column and the H-shaped steel beam, which has a simple structure and less welding process.

Description

Technical Field

[0001] The invention relates to the technical field of building engineering assembly, in particular to an assembled square steel tube concrete column and an H-shaped steel beam connection node. Background Art

[0002] Prefabricated buildings are an important direction for realizing the industrialization of construction. Prefabricated structures can save a lot of labor while ensuring construction quality, and can greatly improve construction capacity and speed. In the case of overproduction of steel, prefabricated structures often involve the connection problem of square steel tube columns and H-shaped steel beams. The connection nodes play a vital role in the overall structure. The existing connection nodes between square steel tube columns and H-shaped steel beams are complex in structure and have many welding processes. Most of the on-site construction is high-altitude work, which is a huge challenge for construction safety. In addition, the requirements for welds are high, and there are also many bolt connections. However, the number of local bolts at the nodes is large, which has a great impact on the bearing capacity of the nodes. It cannot meet the requirements of strong nodes and weak components, which will reduce the service life and may cause safety accidents in serious cases. Summary of the invention

[0003] 1. Technical issues to be solved

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a prefabricated square steel tube concrete column and H-shaped steel beam connection node. The technical problem to be solved by the present invention is that the connection node between the square steel tube column and the H-shaped steel beam has a complex structure and many welding processes. Most of the on-site construction is high-altitude work, which is a huge challenge to construction safety. In addition, the requirements for welds are high. There are also many bolt connections, but the number of local bolts in the node is large, which has a great impact on the bearing capacity of the node. It cannot meet the requirements of strong nodes and weak components, which will reduce the service life and may cause safety accidents in serious cases.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an assembled square steel tube concrete column and H-shaped steel beam connection node, comprising a square steel tube concrete column, a support block on the outer surface of the steel tube concrete column, a support rod inserted into the interior of the support block, an end of the support rod away from the support block is fixedly connected to a U-shaped block, the internal thread of the U-shaped block is connected to a vertical high-strength bolt, and the outer surfaces of the vertical high-strength bolts are connected to the internal threads of the support block, the left and right sides of the U-shaped block are threadedly connected to transverse high-strength bolts, the outer surface of the transverse high-strength bolt away from the U-shaped block is threadedly connected to a lap plate, and the side of the lap plate close to the U-shaped block is fixedly connected to the outer surface of the square steel tube concrete column, and the side of the U-shaped block away from the support rod is welded to an H-shaped steel.

[0007] Preferably, cast concrete is provided inside the square steel tube concrete column, which can indirectly improve the compressive strength of the square steel tube concrete column.

[0008] Preferably, the vertical distance of the support block welded on the square steel tube concrete column is equal to the height of the H-shaped steel beam, the lateral dimension of the U-shaped block is smaller than the width of the square steel tube concrete column, and the lap plate can be made into a multi-segment plate.

[0009] Preferably, a connecting hole is provided inside the support block, and the support rod is inserted into the interior of the square steel tube concrete column through the connecting hole, so that the support rod can form a whole with the column after the concrete is poured, thereby increasing the strength and stability of the node.

[0010] Preferably, the surface of the support rod has friction ribs, and the presence of the friction ribs can increase the contact area and bite force between the support rod and concrete.

[0011] Preferably, the support rods are evenly distributed on the surface of the U-shaped block, and vertical bolt holes matching the size of the vertical high-strength bolts are opened inside, and the vertical bolt holes will not cross each other, so the force is more even.

[0012] Preferably, the connection method between the lap plate and the square steel tube concrete column can be welding or on-site bolt connection, and the support rod and the U-shaped block are cast by casting. (III) Beneficial Effects

[0013] Compared with the prior art, the present invention provides a prefabricated square steel tube concrete column and H-shaped steel beam connection node, which has the following beneficial effects:

[0014] The assembled square steel tube concrete column and H-shaped steel beam connection node is formed by welding the support block to the outer surface of the square steel tube concrete column, and then respectively welding two lap plates to the left and right sides of the square steel tube concrete column, and then inserting the side of the U-shaped block equipped with the support rod into the support block, so that the support rod passes through the connection hole opened in the support block and is inserted into the interior of the square steel tube concrete column, so that after the concrete is poured, it can form a whole with the square steel tube concrete column, thereby increasing the strength and stability of the node, and then the U-shaped block is connected to the support block by vertical high-strength bolts, and then the U-shaped block is connected to the lap plate by horizontal high-strength bolts At the same time, before the U-block is installed, an H-shaped steel is welded on the side of the U-shaped block away from the support rod to complete the connection node between the square steel pipe column and the H-shaped steel beam. The structure is simple and the welding process is relatively few. The purpose is to solve the problem that the connection node between the steel pipe column and the H-shaped steel beam is complex and there are many welding processes. Most of the on-site construction is high-altitude work, which is a huge challenge to construction safety, and has high requirements for welds. There are also many bolt connections, but the number of local bolts at the node is large, which has a great impact on the bearing capacity of the node, and cannot meet the requirements of strong nodes and weak components, which will reduce the service life, and may cause safety accidents in serious cases. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0016] Figure 2 It is a schematic diagram of the left structure of the present invention;

[0017] Figure 3 This is a schematic diagram of the structure formed by welding the H-shaped steel, U-shaped block and support rod.

[0018] In the figure: 1- square tube steel column concrete, 2- H-shaped steel, 3- welded support block, 4- lap plate, 5- U-shaped block, 6- vertical high-strength bolts, 7- horizontal high-strength bolts, 8- support rod, 9- connection hole. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-3A prefabricated square steel tube concrete column and H-shaped steel beam connection node, comprising a square steel tube concrete column 1, a support block 3 on the outer surface of the steel tube concrete column 1, a support rod 8 inserted into the interior of the support block 3, a U-shaped block 5 fixedly connected to the end of the support rod 8 away from the support block 3, a vertical high-strength bolt 6 is connected to the inner thread of the U-shaped block 5, and the outer surface of the vertical high-strength bolt 6 is connected to the inner thread of the support block 3, and the left and right sides of the U-shaped block 5 are both threadedly connected to the transverse high-strength bolt 7, and the transverse high-strength bolt 7 is far away from the support block 3. A lap plate 4 is threadedly connected to the outer surface of one side of the U-shaped block 5, and the side of the lap plate 4 close to the U-shaped block 5 is fixedly connected to the outer surface of the square steel tube concrete column 1, and the side of the U-shaped block 5 away from the support rod 8 is welded with an H-shaped steel 2. The assembled square steel tube concrete column and the H-shaped steel beam connection node are welded by welding the support block 3 to the outer surface of the square steel tube concrete column 1, and then welding two lap plates 4 to the left and right sides of the square steel tube concrete column 1 respectively, and then installing the U-shaped block 5 with the support rod 8 One side is inserted into the support block 3, so that the support rod 8 passes through the connection hole 9 opened in the support block 3 and is inserted into the interior of the square steel tube concrete column 1, so that it can form a whole with the square steel tube concrete column 1 after concrete pouring, thereby increasing the strength and stability of the node, and then the U-shaped block 5 is connected to the support block 3 by the vertical high-strength bolts 6, and then the U-shaped block 5 is connected to the lap plate 4 by the transverse high-strength bolts 7. At the same time, before the U-shaped block 5 is installed, the side of the U-shaped block 5 away from the support rod 8 is welded with an H-shaped steel 2, and the connection node between the square steel tube column and the H-shaped steel beam is simple in structure and has fewer welding processes, thereby solving the problem that the connection node between the steel tube column and the H-shaped steel beam has a complex structure and more welding processes. Most of the on-site construction is high-altitude operation, which is a huge challenge to construction safety, and has higher requirements for welds. There are also more bolt connections, but the number of local bolts at the node is large, which has a greater impact on the bearing capacity of the node, and cannot meet the requirements of strong nodes and weak components, which will reduce the service life, and may cause safety accidents in severe cases.

[0021] The interior of the square steel tube concrete column 1 is provided with poured concrete, which can indirectly improve the compressive strength of the square steel tube concrete column 1 .

[0022] The vertical distance of the support block 3 welded on the square steel tube concrete column 1 is equal to the height of the H-shaped steel beam 2, the lateral dimension of the U-shaped block 5 is smaller than the width of the square steel tube concrete column 1, and the lap plate 4 can be made into a multi-segment plate.

[0023] A connecting hole 9 is provided inside the supporting block 3, and the supporting rod 8 passes through the connecting hole 9 and is inserted into the interior of the square steel tube concrete column 1. After the concrete is poured, the supporting rod 8 can form a whole with the column, thereby increasing the strength and stability of the node.

[0024] The surface of the support rod 8 is provided with friction ribs, and the existence of the friction ribs can increase the contact area and the bite force between the support rod and the concrete.

[0025] The support rods 8 are evenly distributed on the surface of the U-shaped block 5. The U-shaped block 5 is provided with vertical bolt holes that match the size of the vertical high-strength bolts 6. The vertical bolt holes will not cross each other, and the force is relatively uniform.

[0026] The connection method between the lap plate 4 and the square steel tube concrete column 1 can be welding or on-site bolt connection, and the support rod 8 and the U-shaped block 5 are cast by casting.

[0027] When in use: by welding the support block 3 to the outer surface of the square steel tube concrete column 1, and then respectively welding the two lap plates 4 to the left and right sides of the square steel tube concrete column 1, and then inserting the side of the U-shaped block 5 installed with the support rod 8 into the support block 3, so that the support rod 8 passes through the connecting hole 9 opened in the support block 3 and is inserted into the interior of the square steel tube concrete column 1, so that after the concrete is poured, it can form a whole with the square steel tube concrete column 1, thereby increasing the strength and stability of the node, and then connecting the U-shaped block 5 to the support block 3 through the vertical high-strength bolts 6, and then connecting the U-shaped block 5 to the lap plate 4 through the transverse high-strength bolts 7, and at the same time, before the U-shaped block 5 is installed, the side of the U-shaped block 5 away from the support rod 8 is welded with an H-shaped steel 2, so as to complete the connection node between the square steel tube column and the H-shaped steel beam, which has a simple structure and less welding process.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A prefabricated square steel tube concrete column and H-shaped steel beam connection node, comprising a square steel tube concrete column (1), characterized in that: The outer surface of the square steel tube concrete column (1) is supported by a block (3), a support rod (8) is inserted into the interior of the support block (3), and the end of the support rod (8) away from the support block (3) is fixedly connected to a U-shaped block (5), the internal thread of the U-shaped block (5) is connected to a vertical high-strength bolt (6), and the outer surface of the vertical high-strength bolt (6) is connected to the internal thread of the support block (3), the left and right sides of the U-shaped block (5) are both threadedly connected to transverse high-strength bolts (7), the outer surface of the side of the transverse high-strength bolt (7) away from the U-shaped block (5) is threadedly connected to a lap plate (4), and the side of the lap plate (4) close to the U-shaped block (5) is fixedly connected to the outer surface of the square steel tube concrete column (1), and the side of the U-shaped block (5) away from the support rod (8) is welded to an H-shaped steel beam (2); The square steel tube concrete column (1) is provided with poured concrete inside; The vertical distance of the support block (3) welded to the square steel tube concrete column (1) is equal to the height of the H-shaped steel beam (2), the lateral dimension of the U-shaped block (5) is smaller than the width of the square steel tube concrete column (1), and the lap plate (4) can be made into a multi-segment plate.

2. The assembled square steel tube concrete column and H-beam connection node according to claim 1 is characterized in that: A connection hole (9) is provided inside the support block (3), and the support rod (8) passes through the connection hole (9) and is inserted into the interior of the square steel tube concrete column (1).

3. The assembled square steel tube concrete column and H-beam connection node according to claim 1 is characterized in that: The surface of the support rod (8) is provided with friction ribs.

4. The assembled square steel tube concrete column and H-beam connection node according to claim 1 is characterized in that: The support rods (8) are evenly distributed on the surface of the U-shaped block (5), and vertical bolt holes matching the size of the vertical high-strength bolts (6) are opened inside the U-shaped block (5), and the vertical bolt holes will not cross each other.

5. The assembled square steel tube concrete column and H-beam connection node according to claim 1 is characterized in that: The connection method of the lap plate (4) and the square steel tube concrete column (1) can be welding or on-site bolt connection, and the support rod (8) and the U-shaped block (5) are cast by casting.

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