A large-span arc-shaped fabricated steel component anti-deformation structure

Abstract

This invention discloses a large-span, arc-shaped prefabricated steel component anti-deformation structure, comprising columns, multiple first arc-shaped beams, second arc-shaped beams, and positioning beams. Positioning plates are mounted on the columns, and the first and second arc-shaped beams are respectively fixed to their corresponding positioning plates. The first and second arc-shaped beams are arranged opposite each other and their connection is secured with fasteners. The outer wall of the positioning beam abuts against the connection between the first and second arc-shaped beams. Multiple telescopic structures are provided between the positioning beams and the columns, and load-bearing beams are provided between the telescopic structures and the arc-shaped beams. This invention solves the problems of large-span ceiling design and construction primarily relying on rigid connections, which, while structurally stable, requires a huge amount of high-strength steel, is structurally complex, time-consuming to assemble and install, has high labor costs, and the relatively simple steel arch structure is difficult to adapt to the assembly and stability requirements of irregularly shaped ceiling designs.

Description

Technical Field

[0001] This invention relates to the field of steel component technology, specifically to a large-span arc-shaped prefabricated steel component anti-deformation structure. Background Technology

[0002] With the diversification of architectural forms, buildings with large-span arched roof structures have become quite common. These structures offer excellent drainage during rainfall and exhibit good resistance to tearing, aging, and self-cleaning properties against wind and dust impacts and vibrations, making them widely used in engineering projects. Currently, the design and construction of large-span roofs often employ steel arches and truss structures to support these arches. This design relies primarily on rigid connections, which, while structurally stable, requires a large quantity of high-strength steel, is complex, and results in time-consuming assembly and installation, leading to high labor costs. Furthermore, the steel arch structure in this design is relatively simple and difficult to adapt to the assembly and stability requirements of irregularly shaped roof designs. Summary of the Invention

[0003] The purpose of this invention is to address the problems that while rigid connections are the primary method for designing and constructing large-span ceilings, resulting in structural stability, they also require a large amount of high-strength steel, are complex, time-consuming to assemble and install, have high labor costs, and have relatively simple steel arch structures that are difficult to adapt to the assembly and stability requirements of irregularly shaped ceiling designs. Therefore, this invention provides a large-span arc-shaped prefabricated steel component anti-deformation structure.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a large-span arc-shaped prefabricated steel component anti-deformation structure, comprising columns, multiple first arc-shaped beams, second arc-shaped beams, and positioning beams. The columns are sequentially equipped with first and second positioning plates from top to bottom. The upper end of the first arc-shaped beam is fixed to the side wall of the first positioning plate, and the lower end of the second arc-shaped beam is fixed to the side wall of the second positioning plate. The first and second arc-shaped beams are arranged opposite each other, and their connection is secured by fasteners. The outer wall of the positioning beam abuts against the connection between the first and second arc-shaped beams. Multiple telescopic structures are provided between the positioning beams and the columns. A first load-bearing beam is provided between the telescopic structures and the first arc-shaped beams, and a second load-bearing beam is provided between the telescopic structures and the second arc-shaped beams.

[0005] As a further description of the above technical solution:

[0006] An upper flange plate is installed at the bottom of the first arc beam, and a lower flange plate is installed at the top of the second arc beam. The upper and lower flange plates are fixed together by fasteners.

[0007] As a further description of the above technical solution:

[0008] The positioning beam is a ring-shaped positioning beam with a groove on its outer side. The groove fits and abuts against the fixing structure of the upper and lower flange plates. The outer wall of the positioning beam abuts against the inner side of the first and second arc-shaped beams and has an arc-shaped surface at the abutment point.

[0009] As a further description of the above technical solution:

[0010] The telescopic structure includes a movable rod and a fixed rod. One end of the movable rod is fixed to the inside of the positioning beam, and the other end of the movable rod is slidably connected to the guide cavity of one end of the fixed rod. The other end of the fixed rod relative to the guide cavity is fixed to the side wall of the column.

[0011] As a further description of the above technical solution:

[0012] The upper end of the fixed rod is provided with a first sliding groove and the lower end is provided with a second sliding groove. The first arc-shaped beam and the second arc-shaped beam are provided with a third sliding groove and a fourth sliding groove corresponding to the first sliding groove and the second sliding groove, respectively. A first load-bearing beam is slidably connected between the first sliding groove and the third sliding groove, and a second load-bearing beam is slidably connected between the second sliding groove and the fourth sliding groove.

[0013] As a further description of the above technical solution:

[0014] Baffles are installed at the ends of the first and second slides closest to the column, and baffles are installed at the ends of the third and fourth slides furthest from the column.

[0015] As a further description of the above technical solution:

[0016] Both the first and second load-bearing beams are curved beams with their concave surfaces facing the columns.

[0017] As a further description of the above technical solution:

[0018] The first load-bearing beam is provided with a first sliding plate and a first abutting block at the connection with the first slide and the third slide, respectively. The second load-bearing beam is provided with a second sliding plate and a second abutting block at the connection with the second slide and the fourth slide, respectively.

[0019] As a further description of the above technical solution:

[0020] The first and second curved beams can have different dimensions and curvatures to accommodate curved building caps with different curvatures and shapes.

[0021] In summary, due to the adoption of the above technical solution, the present invention has the following beneficial effects compared with the prior art:

[0022] The steel components, through the elastic unloading effect of the curved beams, positioning beams, and load-bearing beams, greatly reduce the load on other building components, preventing deformation and instability. The internal connection method is mainly soft connection, which provides the steel components with high structural strength and impact resistance, while greatly reducing building material waste. Because the amount of building materials required is small, the overall assembly of the steel components is also relatively convenient and quick. The size and curvature of the curved beams in different positions can be well adapted to the large span characteristics of buildings and the assembly and stability requirements of irregularly shaped ceiling designs. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a front sectional view of a large-span, arc-shaped prefabricated steel structure designed to prevent deformation.

[0025] Figure 2 This is a three-dimensional diagram of a large-span, arc-shaped prefabricated steel structure designed to prevent deformation (the first and second load-bearing beams are omitted).

[0026] Figure 3 This is a top sectional view of a large-span, arc-shaped prefabricated steel structure designed to prevent deformation.

[0027] Legend:

[0028] 1. Column; 2. First curved beam; 3. Second curved beam; 4. Positioning beam; 5. First load-bearing beam; 6. Second load-bearing beam; 11. First positioning plate; 12. Second positioning plate; 21. Upper flange plate; 22. Third slide groove; 31. Lower flange plate; 32. Fourth slide groove; 41. Groove; 42. Curved surface; 43. Movable rod; 44. Fixed rod; 45. Guide cavity; 46. First slide groove; 47. Second slide groove; 51. First abutment block; 52. First sliding plate; 61. Second abutment block; 62. Second sliding plate. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0031] Example 1:

[0032] Please see Figure 1-3 This invention provides a technical solution: a large-span arc-shaped prefabricated steel component anti-deformation structure, including a column 1, multiple first arc-shaped beams 2, second arc-shaped beams 3, and positioning beams 4. The column 1 is sequentially equipped with a first positioning plate 11 and a second positioning plate 12 from top to bottom. The upper end of the first arc-shaped beam 2 is fixed to the side wall of the first positioning plate 11, and the lower end of the second arc-shaped beam 3 is fixed to the side wall of the second positioning plate 12. The first arc-shaped beams 2 and 3 are arranged opposite each other and their connection is fixed by fasteners. The outer wall of the positioning beam 4 abuts against the connection between the first arc-shaped beams 2 and 3. Multiple telescopic structures are provided between the positioning beam 4 and the column 1. A first load-bearing beam 5 is set between the first arc-shaped beams 2, and a second load-bearing beam 6 is set between the expansion structure and the second arc-shaped beam 3. Through the elastic unloading effect of the arc-shaped beams, positioning beams and load-bearing beams, the steel component greatly reduces the load on other building components and avoids their deformation and instability. The internal connection method is mainly soft connection, which provides the steel component with high structural strength and impact resistance, while greatly reducing the loss of building materials. Because the amount of building materials required is small, the overall assembly of the steel component is also relatively convenient and fast. According to the size and curvature of the arc-shaped beams in different positions, it can well adapt to the characteristics of large span of buildings and the assembly and stability requirements of irregularly shaped ceiling designs.

[0033] The bottom end of the first arc beam 2 is provided with an upper flange plate 21, and the upper end of the second arc beam 3 is provided with a lower flange plate 31. The upper flange plate 21 and the lower flange plate 31 are fixed by fasteners to ensure the structural strength of the main body of the compression-resistant steel frame.

[0034] The positioning beam 4 is an annular positioning beam. A groove 41 is provided on the outer side of the positioning beam 4. The groove 41 is fitted and abuts against the fixing structure of the upper flange plate 21 and the lower flange plate 31. The outer wall of the positioning beam 4 abuts against the inner side of the first arc beam 2 and the second arc beam 3, and an arc surface 42 is provided at the abutment. The positioning beam abuts against the arc beams that are deformed by force and shrinks and deforms, further playing the role of elastic force relief.

[0035] The telescopic structure includes a movable rod 43 and a fixed rod 44. One end of the movable rod 43 is fixed to the inner side of the positioning beam 4, and the other end of the movable rod 43 is slidably connected to the guide cavity 45 at one end of the fixed rod 44. The other end of the fixed rod 44 relative to the guide cavity 45 is fixed to the side wall of the column 1, which facilitates the telescopic deformation of the positioning beam.

[0036] The upper end of the fixed rod 44 is provided with a first sliding groove 46 and the lower end is provided with a second sliding groove 47. The first arc-shaped beam 2 and the second arc-shaped beam 3 are provided with a third sliding groove 22 and a fourth sliding groove 32 corresponding to the first sliding groove 46 and the second sliding groove 47, respectively. A first load-bearing beam 5 is slidably connected between the first sliding groove 46 and the third sliding groove 22, and a second load-bearing beam 6 is slidably connected between the second sliding groove 47 and the fourth sliding groove 32. Through the sliding contact between the load-bearing beam and the fixed rod, the force on the arc-shaped beam is further relieved.

[0037] The first load-bearing beam 5 is provided with a first sliding plate 52 and a first abutting block 51 at the connection with the first slide 46 and the third slide 22, respectively. The second load-bearing beam 6 is provided with a second sliding plate 62 and abutting block 61 at the connection with the second slide 47 and the fourth slide 32, respectively, to ensure the stable and smooth sliding of the load-bearing beam on the arc beam and the fixed rod.

[0038] Example 2:

[0039] Please see Figure 1 Based on the above embodiment 1, preferably, baffles are provided at the ends of the first slide 46 and the second slide 47 near the column 1, and baffles are provided at the ends of the third slide 22 and the fourth slide 32 away from the column 1, so as to avoid the curved beam being subjected to excessive force, causing the load-bearing beam to detach from the slide, and causing the steel component to become unstable.

[0040] Example 3:

[0041] Please see Figure 1 Based on the above embodiment 1, preferably, the first load-bearing beam 5 and the second load-bearing beam 6 are both arc-shaped beams with their concave surfaces facing the column 1. The arc-shaped surface and specific orientation of the load-bearing beam can better adapt to the compressive structure of the arc-shaped beam and the positioning beam connecting the fixing rod, so as to ensure the best compressive performance.

[0042] Example 4:

[0043] Please see Figure 2 Based on the above embodiment one, preferably, the first arc beam 2 and the second arc beam 3 can adopt different dimensions and curvatures to adapt to arc building cover plates with different curvatures and shapes.

[0044] The manufacturing process of a large-span arc-shaped prefabricated steel component anti-deformation structure in this embodiment includes: determining the position of the positioning beam 4 according to the design dimensions, fixing one end of the fixing rod 44 away from the movable rod 43 to the column 1, fixing the upper flange plate 21 of the first arc beam 2 and the lower flange plate 31 of the second arc beam 3 with fasteners, abutting the flange structures of the fixed first arc beam 2 and the second arc beam 3 into the groove 41 of the positioning beam 4, and fixing the other end to the side wall of the first positioning plate 11 and the second positioning plate 12 respectively to form a spoke-type steel structure, and finally installing the first load-bearing beam 5 and the second load-bearing beam 6 into the grooves on the fixing rod 44 and the first arc beam 2 and the second arc beam 3 respectively, thus completing the overall assembly of the steel structure.

[0045] The working principle of a large-span arc-shaped prefabricated steel component anti-deformation structure in this embodiment includes: when the cover plate on the surface of the steel structure is subjected to force, firstly, the first arc-shaped beam 2 deforms to relieve the force, and the force is transmitted to the second arc-shaped beam 3 for further relief. The deformation of the two arc-shaped beams causes the force to continue to be transmitted to the positioning beam 4. The annular positioning beam contracts and drives the movable rod 43 to slide and stabilize within the fixed rod 44. Meanwhile, the load-bearing beams above and below the fixed rod 44 elastically abut against the arc-shaped beams. The load-bearing beams deform and their upper and lower ends slide within the grooves, also tending to stabilize. When the force is reduced and released, the steel structure springs back to its initial state. The entire steel component can well adapt to the needs of large-span building facilities. Through the elastic relief effect of the arc-shaped beams, positioning beams, and load-bearing beams, the load on other building components is greatly reduced, preventing them from deforming and becoming unstable. The internal connection method is mainly soft connection, which provides the steel component with high structural strength and impact resistance, while greatly reducing building material waste. The size and curvature of the arc-shaped beams at different positions can well adapt to the different shape design requirements of the building surface.

[0046] In summary, due to the adoption of the above technical solutions, the large-span arc-shaped prefabricated steel component anti-deformation structure of this embodiment has the following advantages compared with the prior art:

[0047] The steel components, through the elastic unloading effect of the curved beams, positioning beams, and load-bearing beams, greatly reduce the load on other building components, preventing deformation and instability. The internal connection method is mainly soft connection, which provides the steel components with high structural strength and impact resistance, while greatly reducing building material waste. Because the amount of building materials required is small, the overall assembly of the steel components is also relatively convenient and quick. The size and curvature of the curved beams in different positions can be well adapted to the large span characteristics of buildings and the assembly and stability requirements of irregularly shaped ceiling designs.

[0048] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A large-span arc-shaped prefabricated steel component anti-deformation structure, characterized in that, The system includes a column (1), multiple first arc beams (2), second arc beams (3), and a positioning beam (4). The column (1) is provided with a first positioning plate (11) and a second positioning plate (12) from top to bottom. The upper end of the first arc beam (2) is fixed to the side wall of the first positioning plate (11), and the lower end of the second arc beam (3) is fixed to the side wall of the second positioning plate (12). The first arc beam (2) and the second arc beam (3) are arranged opposite to each other and the connection is fixed by fasteners. The outer wall of the positioning beam (4) abuts against the connection between the first arc beam (2) and the second arc beam (3). Multiple telescopic structures are provided between the positioning beam (4) and the column (1). A first load-bearing beam (5) is provided between the telescopic structure and the first arc beam (2), and a second load-bearing beam (6) is provided between the telescopic structure and the second arc beam (3). The telescopic structure includes a movable rod (43) and a fixed rod (44). One end of the movable rod (43) is fixed to the inner side of the positioning beam (4), and the other end of the movable rod (43) is slidably connected to the guide cavity (45) at one end of the fixed rod (44). The other end of the fixed rod (44) is fixed to the side wall of the column (1) relative to the guide cavity (45). The upper end of the fixed rod (44) is provided with a first sliding groove (46) and the lower end is provided with a second sliding groove (47). The first arc beam (2) and the second arc beam (3) are provided with a third sliding groove (22) and a fourth sliding groove (32) corresponding to the first sliding groove (46) and the second sliding groove (47) respectively. A first load-bearing beam (5) is slidably connected between the first sliding groove (46) and the third sliding groove (22), and a second load-bearing beam (6) is slidably connected between the second sliding groove (47) and the fourth sliding groove (32).

2. The anti-deformation structure for large-span arc-shaped prefabricated steel components according to claim 1, characterized in that, The bottom end of the first arc beam (2) is provided with an upper flange plate (21), and the upper end of the second arc beam (3) is provided with a lower flange plate (31). The upper flange plate (21) and the lower flange plate (31) are fixed by fasteners.

3. The anti-deformation structure for large-span arc-shaped prefabricated steel components according to claim 2, characterized in that, The positioning beam (4) is an annular positioning beam. A groove (41) is provided on the outer side of the positioning beam (4). The groove (41) is fitted onto and abuts against the fixing structure of the upper flange plate (21) and the lower flange plate (31). The outer wall of the positioning beam (4) abuts against the inner side of the first arc beam (2) and the second arc beam (3) and an arc surface (42) is provided at the abutment.

4. The anti-deformation structure for large-span arc-shaped prefabricated steel components according to claim 1, characterized in that, The first slide (46) and the second slide (47) are provided with baffles at the ends near the column (1), and the third slide (22) and the fourth slide (32) are provided with baffles at the ends away from the column (1).

5. The anti-deformation structure for large-span arc-shaped prefabricated steel components according to claim 1, characterized in that, The first load-bearing beam (5) and the second load-bearing beam (6) are both arc-shaped beams and their concave surfaces face the column (1).

6. The anti-deformation structure for large-span arc-shaped prefabricated steel components according to claim 1, characterized in that, The first load-bearing beam (5) is provided with a first sliding plate (52) and a first abutting block (51) at the connection with the first slide (46) and the third slide (22), respectively. The second load-bearing beam (6) is provided with a second sliding plate (62) and a second abutting block (61) at the connection with the second slide (47) and the fourth slide (32), respectively.

7. The anti-deformation structure for large-span arc-shaped prefabricated steel components according to claim 1, characterized in that, The first arc beam (2) and the second arc beam (3) can have different dimensions and curvatures to adapt to arc building cover plates with different curvatures and shapes.

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