Fabricated building steel structure

Abstract

The utility model relates to the technical field of assembly type steel structures, in particular to an assembly type building steel structure. The assembly type building steel structure comprises a stand column and a cross beam, two sets of connecting plates are evenly arranged on the left side and the right side of the stand column respectively, a set of limiting table is arranged between the two sets of connecting plates, the connecting plates and the limiting table are designed to be integrally formed in a cutting mode, and two sets of first inserting grooves are evenly formed in the bottom of the cross beam; the stand column is inserted into the second inserting groove in the bottom of the cross beam, the reinforcing rod is inserted into the first inserting groove in the bottom of the cross beam, the stand column is fixed into the second inserting groove of the cross beam through the first bolt and the nut, the mounting sleeve is fixed to the bottom of the cross beam through the second bolt, and then the reinforcing rod is fixed into the first inserting groove of the cross beam. And the connecting positions between the stand columns and the cross beams are reinforced through the reinforcing rods and the limiting tables, so that the strength of the assembled steel structure is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of assembled steel structures, in particular to an assembled building steel structure. Background Art

[0002] Prefabricated steel structure buildings: Prefabricated buildings whose structural systems are composed of steel (components). The new type of building industrialization is based on prefabricated component production and prefabricated construction. It is characterized by standardized design, componentization, and mechanized construction. It integrates the entire industry chain, including design, production, and construction, to achieve sustainable development through energy conservation, environmental protection, and maximized lifecycle value of building products. For this new type of building industrialization, the prefabricated structural system of the building is crucial. It must meet the requirements of prefabricated components and mechanized construction for easy construction and assembly, while also maintaining sufficient strength and building functionality. This requires the use of prefabricated steel structures for connection.

[0003] In the existing technology, prefabricated steel structures include beams and columns, which are connected by bolts. However, due to the relatively simple connection method, the connection between the beams and columns is prone to tilting or even deformation after long-term use. When adding reinforcements, most of them are installed by using bolts through external threaded holes, or directly by welding. The entire installation method is relatively troublesome. In response to the above situation, technological innovation is carried out on the basis of the existing prefabricated building steel structure. Utility Model Content

[0004] The purpose of the present invention is to provide an assembled building steel structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an assembled building steel structure, comprising:

[0006] The columns and beams are evenly provided with two sets of connecting plates on the left and right sides of the columns, and a set of limiting platforms is provided between the two sets of connecting plates. The connecting plates and limiting platforms are designed as an integrated cutting molding, wherein:

[0007] Two groups of first slots are evenly opened at the bottom of the crossbeam, and a second slot is opened at the bottom of the crossbeam. The second slot is between the two groups of first slots, and a support component is placed on the top of the limit platform.

[0008] Preferably, the support assembly includes a reinforcing rod, a magnetic plate is embedded on the side of the reinforcing rod close to the column, a through hole is opened through the front side of the reinforcing rod, a rotating shaft is placed in the through hole, and the rotating shaft is fixed between the two groups of connecting plates, a group of mounting sleeves are provided on the front and rear sides of the reinforcing rod, a second bolt is provided inside the mounting sleeve, and threaded holes are evenly opened on the bottom of the crossbeam, and the second bolts are screwed into the threaded holes.

[0009] Preferably, the bottom of the outer side wall of the reinforcing rod is in contact with the top of the limiting platform, and the top of the reinforcing rod is inserted into the first slot at the bottom of the beam.

[0010] Preferably, the top of the column is inserted into the first slot at the bottom of the beam, and a base is provided at the bottom of the column.

[0011] Preferably, the top of the base is evenly provided with reinforcing plates in a circular array, and four groups of the reinforcing plates are evenly provided on the outer side wall of the column in a circular array.

[0012] Preferably, a first through hole is formed through the front side of the column, a second through hole is formed through the front side of the beam, the second through hole is connected to the second slot, a first bolt is inserted into the second through hole and the first through hole, a nut is threaded on the outer side of the first bolt, and the nut is located on the rear side of the beam.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] The utility model inserts the column into the second slot at the bottom of the beam, and inserts the reinforcing rod into the first slot at the bottom of the beam, and uses the first bolt and nut to fix the column into the second slot of the beam, and uses the second bolt to fix the mounting sleeve to the bottom of the beam, and then fixes the reinforcing rod into the first slot of the beam, so that the assembly of the device can be completed quickly, and the connection between the column and the beam is reinforced by the reinforcing rod and the limit table, so as to ensure the strength of the steel structure after assembly;

[0015] During transportation, the reinforcing rod can be flipped inward and fixed to the column through magnetic adsorption, thereby improving the transportation convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of an assembled building steel structure of the utility model;

[0017] Figure 2 This is a partial front cross-sectional view of an assembled building steel structure of the utility model;

[0018] Figure 3 This is a bottom cross-sectional view of an assembled building steel structure of the utility model.

[0019] In the figure: 1. column; 11. base; 12. reinforcement plate; 2. connecting plate; 21. limit platform; 22. reinforcement rod; 23. beam; 24. first bolt; 241. nut; 25. magnetic plate; 26. rotating shaft; 3. mounting sleeve; 31. second bolt. DETAILED DESCRIPTION

[0020] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-Figure 3, an assembled building steel structure, including a column 1 and a beam 23, two groups of connecting plates 2 are evenly fixed on the left and right sides of the column 1, a group of limit platforms 21 are fixed between the two groups of connecting plates 2, the connecting plates 2 and the limit platforms 21 are designed as a cutting integral molding, two groups of first slots are evenly opened at the bottom of the beam 23, a second slot is opened at the bottom of the beam 23, the second slot is between the two groups of first slots, a support assembly is placed on the top of the limit platform 21, the support assembly includes a reinforcing rod 22, the reinforcing rod 22 A magnetic plate 25 is embedded on the side close to the column 1, and a through hole is opened on the front side of the reinforcing rod 22. A rotating shaft 26 is placed in the through hole. The rotating shaft 26 is fixedly set between the two sets of connecting plates 2. The reinforcing rod 22 is flipped by the rotating shaft 26. When transporting, the reinforcing rod 22 is flipped inward and fixed on the column 1 by adsorption of the magnetic plate 25, so as to improve the transportation convenience of the device. A set of mounting sleeves 3 are fixed on the front and back sides of the reinforcing rod 22. The interior of the mounting sleeve 3 is fixed with a second bolt 31. The bottom of the crossbeam 23 is fixed with a second bolt 31. The bottom of the reinforcing rod 22 is evenly provided with threaded holes, and the second bolt 31 is screwed into the threaded hole. The bottom of the outer wall of the reinforcing rod 22 is fitted with the top of the limit platform 21. The limit platform 21 can limit the outward angle of the reinforcing rod 22 and provide additional support for the reinforcing rod 22. The top of the reinforcing rod 22 is inserted into the first slot at the bottom of the beam 23, and the top of the column 1 is inserted into the first slot at the bottom of the beam 23. The bottom of the column 1 is fixed with a base 11, and the top of the base 11 is evenly fixed with a reinforcing plate 1 in a circular array. 2. Four groups of reinforcing plates 12 are evenly fixed in a circular array on the outer wall of the column 1. The device can be fixed to the ground through the base 11. The reinforcing plates 12 can improve the connection strength between the column 1 and the base 11. A first through hole is formed through the front side of the column 1, and a second through hole is formed through the front side of the beam 23. The second through hole is connected to the second slot. A first bolt 24 is inserted into the second through hole and the first through hole. A nut 241 is screwed to the outer side of the first bolt 24. The nut 241 is located on the rear side of the beam 23.

[0022] Working principle: During transportation, the reinforcing rod 22 is flipped inward and fixed to the column 1 through the magnetic plate 25 to improve the transportation convenience of the device. The column 1 is fixed to the ground through the base 11, and the reinforcing rod 22 is flipped outward. The limit platform 21 can limit the outward turning angle of the reinforcing rod 22 and provide additional support for the reinforcing rod 22. The column 1 is inserted into the second slot at the bottom of the beam 23, and the reinforcing rod 22 is inserted into the first slot at the bottom of the beam 23. The column 1 is fixed in the second slot of the beam 23 with the first bolt 24 and the nut 241. The mounting sleeve 3 is fixed to the bottom of the beam 23 with the second bolt 31, and then the reinforcing rod 22 is fixed in the first slot of the beam 23. In this way, the assembly of the device can be completed quickly. The connection between the column 1 and the beam 23 is reinforced by the reinforcing rod 22 and the limit platform 21 to ensure the strength of the steel structure after assembly.

Claims

1. An assembled building steel structure, characterized in that: include: The column (1) and the crossbeam (23) are each evenly provided with two groups of connecting plates (2) on the left and right sides of the column (1), and a group of limiting platforms (21) are provided between the two groups of connecting plates (2). The connecting plates (2) and the limiting platforms (21) are designed to be integrally formed by cutting, wherein: Two groups of first slots are evenly opened at the bottom of the crossbeam (23), a second slot is opened at the bottom of the crossbeam (23), and the second slot is between the two groups of first slots. A support assembly is placed on the top of the limiting platform (21).

2. The prefabricated building steel structure according to claim 1, characterized in that: The support assembly includes a reinforcing rod (22), a magnetic plate (25) is embedded on one side of the reinforcing rod (22) close to the column (1), a through hole is provided on the front side of the reinforcing rod (22), a rotating shaft (26) is placed in the through hole, and the rotating shaft (26) is fixedly arranged between two groups of connecting plates (2), a group of mounting sleeves (3) are provided on the front and rear sides of the reinforcing rod (22), a second bolt (31) is provided inside the mounting sleeve (3), and threaded holes are evenly provided on the bottom of the crossbeam (23), and the second bolt (31) is screwed into the threaded hole.

3. The assembled steel structure according to claim 2, characterized in that: The bottom of the outer side wall of the reinforcing rod (22) is fitted with the top of the limiting platform (21), and the top of the reinforcing rod (22) is inserted into the first slot at the bottom of the crossbeam (23).

4. The prefabricated building steel structure according to claim 1, characterized in that: The top of the column (1) is inserted into the first slot at the bottom of the beam (23), and the bottom of the column (1) is provided with a base (11).

5. The assembled building steel structure according to claim 4, characterized in that: The top of the base (11) is evenly provided with reinforcing plates (12) in a circular array, and four groups of the reinforcing plates (12) are evenly provided in a circular array on the outer side wall of the column (1).

6. The prefabricated building steel structure according to claim 4, characterized in that: A first through hole is formed through the front side of the column (1), a second through hole is formed through the front side of the crossbeam (23), the second through hole is connected to the second slot, a first bolt (24) is inserted into the second through hole and the first through hole, a nut (241) is screwed on the outer side of the first bolt (24), and the nut (241) is located on the rear side of the crossbeam (23).

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