Fabricated steel structure capable of being flexibly adjusted

Abstract

The utility model relates to the technical field of assembly type steel structures, in particular to a flexibly adjustable assembly type steel structure which comprises a bottom plate, a steel column is welded to the top of the bottom plate, inserting holes are formed in the left side and the right side of the steel column, and the front side and the rear side of the steel column are both provided with inserting holes. Mounting grooves are formed in the left side, the right side, the front side and the rear side of the mounting frame, mounting blocks are inserted into inner cavities of the mounting grooves, steel beams are welded to the outer sides of the mounting blocks, positioning mechanisms are welded to the front side and the rear side of an inner cavity of the mounting frame, and inserting plates are welded to the bottoms of connecting plates. The connecting sliding plate is pushed to move the positioning inserting plate out of the inserting hole, the mounting frame is pushed to enable the fixing shells on the front side and the rear side to slide up and down, the connecting sliding plate is loosened, the positioning spring pushes the positioning inserting plate to be inserted into the inserting hole, the mounting frame is fixed to the surface of the steel column, and therefore the height of the cross beam can be flexibly adjusted, and different assembling requirements can be met; the applicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of assembled steel structures, in particular to an assembled steel structure which can be flexibly adjusted. Background Art

[0002] Prefabricated steel structure building refers to a prefabricated building whose structural system is composed of steel parts. The steel structure, enclosure system, equipment and pipeline system and interior decoration system must be harmoniously unified to be considered a prefabricated steel structure building.

[0003] After searching, the patent number is CN219931408U, and the name is a utility model of a prefabricated steel structure pillar, which includes a mounting base and a main column. The top of the mounting base is fixed with a main column by an installation positioning mechanism. Through research and analysis, it is found that although the work efficiency is effectively improved during the installation and fixation of the pillar and the prefabricated steel structure and the subsequent construction, and the bending and fracture of the pillar used to support the prefabricated steel structure are avoided, the following defects still exist to a certain extent.

[0004] For example, the height of the beam supported by the column cannot be adjusted, and the steel structure beam cannot move up and down on the surface of the column. In this way, the position of the beam cannot be properly adjusted according to the height of the floor, and the applicability is poor. At the same time, the fixing and installation of the beam is not convenient and fast enough, and personnel are required to install multiple bolts one by one for fixing. The connection efficiency is low and the labor intensity of personnel is increased. In order to solve the above technical problems, we have designed a flexibly adjustable prefabricated steel structure. Utility Model Content

[0005] The purpose of the utility model is to provide a flexibly adjustable assembled steel structure, which has the advantages of being able to adjust the height of the beam, improving applicability, making assembly more convenient and quick, reducing the number of bolts to be installed, and improving assembly efficiency, thereby solving the problems of being unable to adjust the height of the beam, poor applicability, and time-consuming and labor-intensive assembly operations, which affect the efficiency of beam assembly.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flexibly adjustable assembled steel structure, comprising a base plate, a steel column welded on the top of the base plate, plug-in holes are provided on the front and rear sides of the left and right sides of the steel column, an installation frame is slidably sleeved on the outer surface of the steel column, installation grooves are provided on the left and right sides and the front and rear sides of the installation frame, an installation block is plugged into the inner cavity of the installation groove, a steel beam is welded on the outer side of the installation block, a positioning mechanism is welded on the front and rear sides of the inner cavity of the installation frame, a connecting plate is provided on the top of the installation frame, a plug-in plate is welded on the bottom of the connecting plate, the bottom of the plug-in plate passes through the bottom of the installation frame, a limiting sleeve is welded on the bottom of the installation frame, and the limiting sleeve and the inner cavity of the plug-in plate are passed through and fixedly connected with mounting bolts.

[0007] Preferably, the positioning mechanism includes a fixed shell, and the left and right sides of the inner cavity of the fixed shell are slidably connected with connecting slides, the outer side of the connecting slide is welded with a positioning plug plate, the outer side of the positioning plug plate extends to the inner cavity of the plug hole, and a positioning spring is fixedly connected between the left and right connecting slides.

[0008] Preferably, sliding openings are provided on both the left and right sides of the top and bottom of the inner cavity of the fixed shell, and the top and bottom of the connecting slide plate respectively penetrate the sliding openings of the top and bottom and are welded with push plates.

[0009] Preferably, the steel column comprises a column body, the outer surface of the column body is coated with an anti-rust coating, the outer surface of the anti-rust coating is coated with a fire-resistant coating, and the outer surface of the fire-resistant coating is coated with a corrosion-resistant coating.

[0010] Preferably, a positioning top plate is welded to the top of the steel column, and reinforcing plates are welded between the left and right sides of the top of the bottom plate and the steel column.

[0011] Preferably, the number of the plug boards is eight, the number of the plug holes is several, and they are arranged at equal intervals.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. Push the connecting slide to remove the positioning plug plate from the plug hole, push the installation frame to make the fixed shells on the front and rear sides slide up and down, loosen the connecting slide, and the positioning spring pushes the positioning plug plate into the plug hole, and fixes the installation frame on the surface of the steel column. In this way, the height of the beam can be flexibly adjusted to meet different assembly requirements and improve applicability.

[0014] 2. Insert the crossbeam into the corresponding installation groove, insert the plug-in plate into the corresponding installation groove, and the installation bolts pass through the plug-in plate and the limiting sleeve in sequence, and then tighten and fix the crossbeam to complete the assembly. This can reduce the number of assembly bolts, improve assembly efficiency, and reduce labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an axonometric drawing of the structure of the utility model;

[0016] Figure 2 It is an exploded view of the local structure of the utility model;

[0017] Figure 3 It is a bottom-up axonometric view of the installation frame of the utility model;

[0018] Figure 4 It is a sectional isometric view of the steel column and the positioning mechanism of the utility model;

[0019] Figure 5 It is a sectional axonometric drawing of the steel column of the utility model;

[0020] Figure 6 It is an axonometric drawing of the connecting plate and the plug board of the utility model.

[0021] In the figure: 1. bottom plate; 2. plug-in hole; 3. steel beam; 4. connecting plate; 5. positioning top plate; 6. steel column; 7. mounting frame; 8. positioning mechanism; 9. mounting block; 10. mounting groove; 11. limiting sleeve; 12. mounting bolt; 13. connecting slide plate; 14. positioning spring; 15. fixing shell; 16. positioning plug-in plate; 17. column body; 18. anti-rust coating; 19. fire-proof coating; 20. corrosion-resistant coating; 21. plug-in plate. DETAILED DESCRIPTION

[0022] See also Figure 1-Figure 6 A flexibly adjustable assembled steel structure comprises a bottom plate 1, a steel column 6 is welded on the top of the bottom plate 1, plug-in holes 2 are provided on the front and rear sides of the left and right sides of the steel column 6, a mounting frame 7 is slidably sleeved on the outer surface of the steel column 6, mounting grooves 10 are provided on the left and right sides and the front and rear sides of the mounting frame 7, a mounting block 9 is plugged into the inner cavity of the mounting groove 10, a steel beam 3 is welded on the outer side of the mounting block 9, a positioning mechanism 8 is welded on the front and rear sides of the inner cavity of the mounting frame 7, a connecting plate 4 is provided on the top of the mounting frame 7, a plug-in plate 21 is welded on the bottom of the connecting plate 4, the bottom of the plug-in plate 21 penetrates to the bottom of the mounting frame 7, a limiting sleeve 11 is welded on the bottom of the mounting frame 7, and the limiting sleeve 11 can be provided to limit the mounting bolt 12 to prevent the plug-in plate 21 from shaking after the mounting bolt 12 is installed, and the limiting sleeve 11 and the inner cavity of the plug-in plate 21 penetrate and are fixedly connected with the mounting bolt 12;

[0023] See also Figure 4 The positioning mechanism 8 includes a fixed shell 15, and the left and right sides of the inner cavity of the fixed shell 15 are slidably connected with a connecting slide 13, and the outer side of the connecting slide 13 is welded with a positioning plug 16, and the outer side of the positioning plug 16 extends to the inner cavity of the plug hole 2, and a positioning spring 14 is fixedly connected between the left and right connecting slides 13;

[0024] See also Figure 4 The top and bottom of the inner cavity of the fixed shell 15 are provided with sliding openings on both sides, and the top and bottom of the connecting slide plate 13 respectively penetrate the sliding openings at the top and bottom and are welded with push plates. By setting the push plates, it is easier for personnel to push the connecting slide plate 13;

[0025] See also Figure 5The steel column 6 includes a column body 17, the outer surface of the column body 17 is coated with an anti-rust coating 18, the anti-rust coating 18 is an epoxy zinc-rich primer, which improves the corrosion resistance of the steel structure, the outer surface of the anti-rust coating 18 is coated with a fire-proof coating 19, the fire-proof coating 19 is a water-based steel structure fire-proof coating, which can improve the fire resistance of the steel structure, and the outer surface of the fire-proof coating 19 is coated with a corrosion-resistant coating 20, which is an acrylic polyurethane topcoat, which effectively improves the corrosion resistance of the steel structure and prolongs the service life;

[0026] See also Figure 1 A positioning top plate 5 is welded on the top of the steel column 6. By setting the positioning top plate 5, it is convenient to position and install it with the steel structure above. A reinforcing plate is welded between the left and right sides of the top of the bottom plate 1 and the steel column 6. By setting the reinforcing plate, the supporting stability of the steel column 6 can be improved;

[0027] See also Figure 1 and Figure 6 The number of the plug boards 21 is eight, the number of the plug holes 2 is several, and they are arranged at equal distances.

[0028] When in use, the bottom plate 1 is fixedly connected with the pre-buried anchor bolts, and then the height of the installation frame 7 is adjusted according to the height of the second floor. The personnel push the connecting slides 13 on the front and rear sides to move the positioning plugs 16 out of the plug holes 2, and then push the installation frame 7 upward or downward, and the fixing shells 15 on the front and rear sides slide up and down in the inner cavity before and after the steel column 6. When it is adjusted to a suitable height, the connecting slide 13 is released, and the positioning spring 14 releases the elastic force to push the positioning plugs 16 on the left and right sides into the plug holes 2 on the left and right sides respectively, and the installation frame 7 is fixed on the steel column 6. , so that the height of the beam can be flexibly adjusted to meet different assembly requirements and improve applicability. Then the beams to be installed are inserted into the corresponding installation grooves 10 respectively. After the insertion is completed, the plug-in plate 21 at the bottom of the connecting plate 4 is inserted into the corresponding installation groove 10. When the bottom of the connecting plate 4 contacts the installation frame 7, the installation bolts 12 are inserted into the bottom. The installation bolts 12 pass through the plug-in plate 21 and the limiting sleeve 11 in turn and then tighten and fix the beam assembly. This can reduce the number of assembly bolts, improve assembly efficiency, and reduce labor intensity.

[0029] To sum up: this flexibly adjustable assembled steel structure, through the coordinated use of the plug hole 2, steel beam 3, connecting plate 4, steel column 6, mounting frame 7, positioning mechanism 8, mounting block 9, mounting groove 10, limiting sleeve 11 and mounting bolt 12, solves the problems of being unable to adjust the height of the beam, poor applicability, time-consuming and labor-intensive assembly operation, and affecting the efficiency of beam assembly.

Claims

1. A flexibly adjustable assembled steel structure, comprising a base plate (1), characterized in that: A steel column (6) is welded to the top of the base plate (1), and plug holes (2) are provided on the front and rear sides of the left and right sides of the steel column (6). A mounting frame (7) is slidably sleeved on the outer surface of the steel column (6), and mounting grooves (10) are provided on the left and right sides and the front and rear sides of the mounting frame (7). A mounting block (9) is inserted into the inner cavity of the mounting groove (10), and a steel beam (3) is welded to the outer side of the mounting block (9). Positioning mechanisms (8) are welded to the front and rear sides of the inner cavity of the mounting frame (7). A connecting plate (4) is provided on the top of the mounting frame (7), and a plug-in plate (21) is welded to the bottom of the connecting plate (4). The bottom of the plug-in plate (21) passes through the bottom of the mounting frame (7), and a limiting sleeve (11) is welded to the bottom of the mounting frame (7). The limiting sleeve (11) and the inner cavity of the plug-in plate (21) are passed through and fixedly connected with mounting bolts (12).

2. The flexibly adjustable assembled steel structure according to claim 1, characterized in that: The positioning mechanism (8) comprises a fixed shell (15), the left and right sides of the inner cavity of the fixed shell (15) are slidably connected with connecting slides (13), the outer side of the connecting slide (13) is welded with a positioning plug plate (16), the outer side of the positioning plug plate (16) extends to the inner cavity of the plug hole (2), and a positioning spring (14) is fixedly connected between the left and right connecting slides (13).

3. The flexibly adjustable assembled steel structure according to claim 2 is characterized in that: The top and bottom of the inner cavity of the fixed shell (15) are provided with sliding openings on both sides, and the top and bottom of the connecting slide plate (13) respectively penetrate the sliding openings and push plates are welded thereto.

4. The flexibly adjustable assembled steel structure according to claim 1, characterized in that: The steel column (6) comprises a column body (17), the outer surface of the column body (17) is coated with an anti-rust coating (18), the outer surface of the anti-rust coating (18) is coated with a fire-proof coating (19), and the outer surface of the fire-proof coating (19) is coated with a corrosion-resistant coating (20).

5. The flexibly adjustable assembled steel structure according to claim 1, characterized in that: A positioning top plate (5) is welded to the top of the steel column (6), and reinforcing plates are welded between the left and right sides of the top of the bottom plate (1) and the steel column (6).

6. The flexibly adjustable assembled steel structure according to claim 1, characterized in that: The number of the plug boards (21) is eight, and the number of the plug holes (2) is a plurality, and they are arranged at equal distances.

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