Building steel structure with reinforced joint

Abstract

The utility model relates to the technical field of building steel structures, in particular to a building steel structure with a reinforced joint, which comprises a support column, a fixing sleeve mounted on the side face of the support column through bolts, at least one pair of second U-shaped fixing plates mounted on the side face of the fixing sleeve, and at least one cross beam arranged on the side face of the support column. The second U-shaped fixing plates are matched with the side face of the cross beam, one end of the cross beam extends to the position between the two second U-shaped fixing plates located on the same side and is fixed to the second U-shaped fixing plates through first fastening bolts, third L-shaped fixing plates are installed at the two ends of each second U-shaped fixing plate, and one ends of the third L-shaped fixing plates correspondingly extend to the upper end and the lower end of the cross beam. Through the first U-shaped fixing plate and the second U-shaped fixing plate, the connection contact area of the cross beam and the supporting column can be increased, then the cross beam can be supported through the supporting rod, and then the connection strength of the cross beam can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building steel structures, in particular to a building steel structure with reinforced joints. Background Art

[0002] With the development of economy and the progress of science, steel structure projects are becoming more and more common. The main frame of steel structure workshops is connected by bolts, which makes installation quick and construction easy.

[0003] Existing building steel structures typically connect two steel structures together using bolts. However, since these structures are fixed solely with bolts, the forces acting on the connected steel structures are concentrated at the bolt locations during use, leading to stress concentration and easily causing deformation and damage to the steel structure connections. The connection strength is also low, as the bolts rub against the steel structure connections during installation, which can easily cause wear on the protective layer between the bolts and the steel structure surface. During use, both the steel structure connections and the bolts are susceptible to oxidation and corrosion from the external environment, resulting in poor performance. Therefore, we propose a building steel structure with reinforced joints. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned shortcomings in the prior art and to propose a building steel structure with strengthened joints.

[0005] To achieve the above-mentioned object, the present invention adopts the following technical solution: a building steel structure with a reinforced joint is designed, comprising a support column, a fixing sleeve is installed on the side of the support column by bolts, at least one pair of second U-shaped fixing plates are installed on the side of the fixing sleeve, at least one cross beam is provided on the side of the support column, the second U-shaped fixing plate matches the side of the cross beam, and one end of the cross beam extends between the two second U-shaped fixing plates on the same side and is fixed to the second U-shaped fixing plate by a first fastening bolt;

[0006] A third L-shaped fixing plate is installed at both ends of each second U-shaped fixing plate, and one end of the third L-shaped fixing plate extends to the upper and lower ends of the beam respectively;

[0007] A support seat is also installed on the side of the support column, and at least one support rod is provided on the top of the support seat. Support blocks are installed at both ends of each support rod, wherein the support block at the bottom of the support rod extends above the support seat and is fixed to the support seat, and at least one pair of limit plates is installed on the top of the support seat, and a limit groove is formed between each pair of limit plates, and the support block at the bottom of the support rod is located in the limit groove;

[0008] The support block located at the top of the support rod extends to the bottom of the beam, and the top of the support block is in contact with and connected to the bottom of the beam;

[0009] A first U-shaped fixing plate is further provided on both sides of the crossbeam, and the first U-shaped fixing plate is fixed to both sides of the crossbeam by a second fastening bolt, and both ends of each first U-shaped fixing plate extend to the outside of the crossbeam, and a first L-shaped fixing plate is installed on the top of each first U-shaped fixing plate, and the bottom of the first L-shaped fixing plate extends below the support block installed on the top of the support rod, and a second L-shaped fixing plate is installed on the top of the first U-shaped fixing plate, and the top of the second L-shaped fixing plate extends above the crossbeam;

[0010] An L-shaped connecting block is installed at one end of the side of each first U-shaped fixing plate and each second U-shaped fixing plate, and a pair of fixing blocks are installed on the top of each L-shaped connecting block. A first sealing plate and a second sealing plate are correspondingly rotatably connected between each pair of fixing blocks, wherein the first sealing plate covers the side of the second U-shaped fixing plate and is sealed with the side of the second U-shaped fixing plate, and the second sealing plate is L-shaped, covers the side of the first U-shaped fixing plate and is sealed with the side of the first U-shaped fixing plate;

[0011] Cover plates are installed on the sides of the first sealing plate and the second sealing plate, wherein both sides of the cover plate connected to the first sealing plate extend to the sides of the third L-shaped fixing plate and are fixed by magnetic blocks;

[0012] The two sides of the cover plate connected to the second sealing plate extend to the sides of the first L-shaped fixing plate and the second L-shaped fixing plate and are fixed by magnetic blocks;

[0013] A sealing gasket is provided on the top of each pair of limit plates, the bottom of the sealing gasket covers the support block installed at the bottom of the support rod, and a top cover is installed on the top of the sealing gasket. Both sides of the top cover extend above the limit plate and are fixed to the limit plate by magnetic blocks.

[0014] Preferably, at least one reinforcing rib is installed on the side surface of each first U-shaped fixing plate and each second U-shaped fixing plate.

[0015] Preferably, a guide block is installed on the top of each first L-shaped fixing plate, and guide grooves are symmetrically opened on the bottom of the support block located inside the first L-shaped fixing plate, and each guide block extends into the corresponding guide groove.

[0016] Preferably, when the first sealing plate rotates to be flush with the second U-shaped fixing plate, one end of the side of the first sealing plate close to the L-shaped connecting block is sealed connected to the L-shaped connecting block, and the other end of the first sealing plate is sealed connected to the side of the fixing sleeve.

[0017] Preferably, the second sealing plate is set in an "L" shape, and when the second sealing plate is rotated to be parallel to the first U-shaped fixing plate, the side of the second sealing plate close to one end of the L-shaped connecting block is sealed with the L-shaped connecting block, and the other end side of the second sealing plate contacts the side of the first U-shaped fixing plate and is sealed with the first U-shaped fixing plate.

[0018] Preferably, when the first sealing plate covers the second U-shaped fixing plate, a sealed cavity is formed between the first sealing plate and the second U-shaped fixing plate, and the reinforcing ribs and the first fastening bolts fixing the second U-shaped fixing plate to the crossbeam are both located in the sealed cavity;

[0019] When the second sealing plate covers the first U-shaped fixing plate, a sealed cavity is formed between the second sealing plate and the first U-shaped fixing plate. The reinforcing ribs and the second fastening bolts fixing the first U-shaped fixing plate and the crossbeam together are located in the sealed cavity.

[0020] Preferably, the sealing gasket, the first sealing plate and the second sealing plate are all made of sealing rubber material.

[0021] The design scheme proposed by the utility model has the following beneficial effects during application:

[0022] 1. The first U-shaped fixing plate and the second U-shaped fixing plate can increase the contact area between the crossbeam and the support column, and the crossbeam can be supported by the support rod, thereby improving the strength of the crossbeam connection.

[0023] 2. The first sealing plate can seal the first fastening bolts fixing the second U-shaped fixing plate to the crossbeam, and the second sealing plate can seal the second fastening bolts fixing the first U-shaped fixing plate to the crossbeam, thereby preventing the first fastening bolts and the second bolts from oxidation and corrosion in the external environment and improving the use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural diagram of the utility model;

[0025] Figure 2 It is a partial structural diagram of the utility model;

[0026] Figure 3 This is a schematic structural diagram of the L-shaped connecting block and the first sealing plate of the utility model;

[0027] Figure 4 This is a structural diagram of the support rod, the first U-shaped fixing plate and the second sealing plate of the present invention;

[0028] Figure 5 This is a side view of the support column and beam connection structure of the utility model;

[0029] Figure 6This is a schematic diagram of the sealing gasket structure of the present utility model.

[0030] In the figure: 1. Support seat; 2. Fixing sleeve; 3. Support column; 4. Cover plate; 5. Limiting plate; 6. Top cover; 7. Support rod; 8. First L-shaped fixing plate; 9. Second L-shaped fixing plate; 10. Crossbeam; 11. Sealing gasket; 12. Reinforcing rib; 13. L-shaped connecting block; 14. Third L-shaped fixing plate; 15. Magnetic block; 16. First sealing plate; 17. First fastening bolt; 18. Second fastening bolt; 19. Fixing block; 20. Guide groove; 21. Guide block; 22. First U-shaped fixing plate; 23. Second sealing plate; 24. Second U-shaped fixing plate; 25. Support block. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0032] Reference Figures 1-6 , a building steel structure with strengthened joints, including a support column 3, a fixing sleeve 2 is installed on the side of the support column 3 by bolts, and at least one pair of second U-shaped fixing plates 24 is installed on the side of the fixing sleeve 2, and at least one cross beam 10 is provided on the side of the support column 3, the second U-shaped fixing plate 24 matches the side of the cross beam 10, and one end of the cross beam 10 extends between the two second U-shaped fixing plates 24 located on the same side and is fixed to the second U-shaped fixing plate 24 by a first fastening bolt 17. In actual use, the cross beam 10 can be fixed between the two second U-shaped fixing plates 24 by the first fastening bolt 17, which can increase the contact area between the cross beam 10 and the second U-shaped fixing plate 24 and improve the connection strength.

[0033] like Figure 1 and Figure 2 As shown, a third L-shaped fixing plate 14 is installed at both ends of each second U-shaped fixing plate 24, and one end of the third L-shaped fixing plate 14 extends to the upper and lower ends of the beam 10. The third L-shaped fixing plate 14 can be sleeved on the upper and lower ends of the beam 10, which can further increase the connection strength between the beam 10 and the second U-shaped fixing plate 24 and improve the installation stability.

[0034] like Figure 1 and Figure 2As shown, a support seat 1 is also installed on the side of the support column 3, and at least one support rod 7 is provided on the top of the support seat 1, and support blocks 25 are installed at both ends of each support rod 7, wherein the support block 25 at the bottom of the support rod 7 extends to the top of the support seat 1 and is fixed to the support seat 1, and at least one pair of limiting plates 5 is installed on the top of the support seat 1, and a limiting groove is formed between each pair of limiting plates 5. The support block 25 at the bottom of the support rod 7 is located in the limiting groove, and the support block 25 at the top of the support rod 7 extends to the bottom of the beam 10, and the top of the support block 25 is in contact and connected with the bottom of the beam 10. During the actual installation process, the beam 10 can be supported by the cooperation of the support rod 7 and the support seat 1, thereby further improving the stability of the beam 10.

[0035] like Figure 2 and Figure 4 The U-shaped fixing plate 22 is fixed to the two sides of the crossbeam 10 by the second fastening bolts 18, and both ends of each first U-shaped fixing plate 22 extend to the outside of the crossbeam 10, and a first L-shaped fixing plate 8 is installed on the top of each first U-shaped fixing plate 22, and the bottom of the first L-shaped fixing plate 8 extends below the support block 25 installed on the top of the support rod 7, and a second L-shaped fixing plate 9 is installed on the top of the first U-shaped fixing plate 22, and the top of the second L-shaped fixing plate 9 extends above the crossbeam 10. In the actual installation process, the first U-shaped fixing plate 22 can be fixed to both sides of the crossbeam 10 by the second fastening bolts 18. In this way, under the action of the first L-shaped fixing plate 8, the support block 25 on the top of the support rod 7 can be fixed to the bottom of the crossbeam 10, and at the same time, the second L-shaped fixing plate 9 will be sleeved on the top of the crossbeam 10, thereby making the installation of the crossbeam 10 more stable.

[0036] It should be noted that if Figure 4 As shown, a guide block 21 is installed on the top of each first L-shaped fixing plate 8, and a guide groove 20 is symmetrically opened at the bottom of the support block 25 located inside the first L-shaped fixing plate 8. Each guide block 21 extends into the corresponding guide groove 20. During the actual installation process, the first L-shaped fixing plate 8 and the support block 25 can be limited by the cooperation between the guide block 21 and the guide groove 20, which can further reduce the radial shear force on the second fastening bolt 18 during use, thereby improving the use effect.

[0037] like Figure 1 and Figure 4As shown, an L-shaped connecting block 13 is installed at one end of the side of each first U-shaped fixing plate 22 and each second U-shaped fixing plate 24, and a pair of fixing blocks 19 are installed on the top of each L-shaped connecting block 13. A first sealing plate 16 and a second sealing plate 23 are correspondingly connected to each pair of fixing blocks 19. The first sealing plate 16 covers the side of the second U-shaped fixing plate 24 and seals with the side of the second U-shaped fixing plate 24. When the first sealing plate 16 is rotated to be flush with the second U-shaped fixing plate 24, the side of the first sealing plate 16 close to the end of the L-shaped connecting block 13 is aligned with the L-shaped connecting block 13. The sealing connection is made, and the other end of the first sealing plate 16 is sealed and connected to the side of the fixing sleeve 2, so that a sealed cavity is formed between the first sealing plate 16 and the second U-shaped fixing plate 24, and the reinforcing rib 12 and the first fastening bolt 17 that fixes the second U-shaped fixing plate 24 and the crossbeam 10 together are all located in the sealed cavity. In actual use, the first sealing plate 16 can cover the first fastening bolt 17 that fixes the second U-shaped fixing plate 24 and the crossbeam 10 together, so that during use, the connection part of the second U-shaped fixing plate 24 and the crossbeam 10 will be isolated from the external environment and will not be corroded by the external environment.

[0038] like Figure 1 and Figure 3 As shown, cover plates 4 are installed on the sides of the first sealing plate 16 and the second sealing plate 23, wherein both sides of the cover plate 4 connected to the first sealing plate 16 extend to the sides of the third L-shaped fixing plate 14 and are fixed by adsorption through magnetic blocks 15. The first sealing plate 16 can be adsorbed and fixed by the magnetic blocks 15, so that the first sealing plate 16 can cover the second U-shaped fixing plate 24, which is convenient for fixation.

[0039] like Figure 1 and Figure 4 As shown, the second sealing plate 23 covers the side of the first U-shaped fixing plate 22 and is sealed with the side of the first U-shaped fixing plate 22. The second sealing plate 23 is set in an "L" shape, and when the second sealing plate 23 is rotated to be parallel to the first U-shaped fixing plate 22, the side of the second sealing plate 23 is close to one end of the L-shaped connecting block 13 and is sealed with the L-shaped connecting block 13, and the other end side of the second sealing plate 23 is in contact with the side of the first U-shaped fixing plate 22 and is sealed with the first U-shaped fixing plate 22. In this way, the second sealing plate 23 A sealed cavity is formed between the first U-shaped fixing plate 22 and the second sealing plate 23. The reinforcing ribs 12 and the second fastening bolts 18 that secure the first U-shaped fixing plate 22 to the crossbeam 10 are located within this sealed cavity. During actual use, the second sealing plate 23 can cover the second fastening bolts 18 connecting the first U-shaped fixing plate 22 to the crossbeam 10. This isolates the connection between the first U-shaped fixing plate 22 and the crossbeam 10 from the external environment, protecting the connection between the first U-shaped fixing plate 22 and the crossbeam 10 from oxidation and corrosion.

[0040] like Figure 4 As shown, both sides of the cover plate 4 connected to the second sealing plate 23 extend to the sides of the first L-shaped fixing plate 8 and the second L-shaped fixing plate 9 and are fixed by adsorption through the magnetic block 15. The second sealing plate 23 can be fixed by the magnetic block 15, so that during use, the second sealing plate 23 can cover the connection part between the first U-shaped fixing plate 22 and the beam 10, making fixation convenient.

[0041] like Figure 2 and Figure 6 As shown, a sealing gasket 11 is provided on the top of each pair of limit plates 5, and the bottom of the sealing gasket 11 covers the support block 25 installed at the bottom of the support rod 7. During actual use, the top of the support block 25 can be covered by the sealing gasket 11 to prevent the connection between the top of the support block 25 and the support seat 1 from being oxidized and corroded.

[0042] like Figure 6 As shown, a top cover 6 is installed on the top of the sealing gasket 11. Both sides of the top cover 6 extend above the limit plate 5 and are fixed to the limit plate 5 by adsorption through the magnetic block 15. During actual use, the sealing gasket 11 can be fixed to the top of the support block 25 through the magnetic block 15, which is convenient to fix.

[0043] Specifically, when the utility model is installed, Figure 5As shown, the staff inserts both ends of the beam 10 between the corresponding two second U-shaped fixing plates 24 and fixes them with the first fastening bolts 17. Then the staff inserts the support block 25 at the bottom of the support rod 7 between the corresponding two limit plates 5 and fixes it on the support seat 1. At the same time, the support block 25 at the top of the support rod 7 contacts the bottom of the beam 10. The staff then moves the first U-shaped fixing plate 22 to both sides of the beam 10. At the same time, the first L-shaped fixing plate 8 connected to the bottom of the first U-shaped fixing plate 22 is moved to below the support block 25 at the bottom of the beam 10, so that the guide block 21 is inserted into the corresponding guide groove 20. At the same time, the second L-shaped fixing plate 9 connected to the top of the first U-shaped fixing plate 22 is moved to the top of the beam 10 to limit the beam 10. Then, the first U-shaped fixing plate 22 is fixed to the beam 10 by the second fastening bolts 18, and the beam 10 and the support column 3 are connected. The connecting part of the second sealing plate 23 and the first U-shaped fixing plate 22 is supported to improve the installation stability. After the installation is completed, the staff can rotate the cover plate 4, and the cover plate 4 drives the first sealing plate 16 and the second sealing plate 23 to rotate, so that the first sealing plate 16 covers the second U-shaped fixing plate 24, isolating the first fastening bolt 17 from the external environment. At the same time, the second sealing plate 23 covers the first U-shaped fixing plate 22, isolating the second fastening bolt 18 from the external environment, and the second sealing plate 23 and the first U-shaped fixing plate 22 are connected to the beam 10. The connection part can be sealed. At the same time, the top cover 6 is fixed between the two limiting plates 5 so that the sealing gasket 11 covers the top of the support block 25 to seal the top of the support block 25. The second sealing plate 23 and the first sealing plate 16 can also prevent the connecting parts of the first U-shaped fixing plate 22 and the second U-shaped fixing plate 24 from being oxidized and corroded by the external environment, thereby improving the use effect.

[0044] Furthermore, Figure 2 As shown, at least one reinforcing rib 12 is installed on the side of each first U-shaped fixing plate 22 and each second U-shaped fixing plate 24. During actual use, the reinforcing rib 12 can increase the structural strength of the first U-shaped fixing plate 22 and the second U-shaped fixing plate 24, thereby preventing the first U-shaped fixing plate 22 and the second U-shaped fixing plate 24 from being deformed by force.

[0045] Furthermore, the sealing gasket 11 , the first sealing plate 16 and the second sealing plate 23 are all made of sealing rubber material, or other anti-corrosion sealing materials, which can increase the service life of the sealing gasket 11 , the first sealing plate 16 and the second sealing plate 23 .

[0046] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A building steel structure with reinforced joints, comprising support columns (3), characterized in that: A fixing sleeve (2) is installed on the side of the support column (3) by means of bolts, at least one pair of second U-shaped fixing plates (24) is installed on the side of the fixing sleeve (2), at least one crossbeam (10) is provided on the side of the support column (3), the second U-shaped fixing plate (24) matches the side of the crossbeam (10), and one end of the crossbeam (10) extends between the two second U-shaped fixing plates (24) located on the same side and is fixed to the second U-shaped fixing plate (24) by means of a first fastening bolt (17); A third L-shaped fixing plate (14) is installed at both ends of each second U-shaped fixing plate (24), and one end of the third L-shaped fixing plate (14) extends to the upper and lower ends of the beam (10) respectively; A support seat (1) is also installed on the side of the support column (3), and at least one support rod (7) is provided on the top of the support seat (1), and support blocks (25) are installed at both ends of each support rod (7), wherein the support blocks (25) located at the bottom of the support rod (7) extend above the support seat (1) and are fixed to the support seat (1), and at least one pair of limiting plates (5) is installed on the top of the support seat (1), and a limiting groove is formed between each pair of limiting plates (5), and the support blocks (25) at the bottom of the support rod (7) are located in the limiting groove; The support block (25) located at the top of the support rod (7) extends to the bottom of the crossbeam (10), and the top of the support block (25) is in contact with and connected to the bottom of the crossbeam (10); A first U-shaped fixing plate (22) is further provided on both sides of the crossbeam (10), the first U-shaped fixing plate (22) being fixed to both sides of the crossbeam (10) by a second fastening bolt (18), and both ends of each first U-shaped fixing plate (22) extending to the outside of the crossbeam (10), a first L-shaped fixing plate (8) being installed on the top of each first U-shaped fixing plate (22), the bottom of the first L-shaped fixing plate (8) extending below the support block (25) installed on the top of the support rod (7), and a second L-shaped fixing plate (9) being installed on the top of the first U-shaped fixing plate (22), the top of the second L-shaped fixing plate (9) extending above the crossbeam (10); An L-shaped connecting block (13) is installed at one end of the side of each first U-shaped fixing plate (22) and each second U-shaped fixing plate (24), a pair of fixing blocks (19) is installed on the top of each L-shaped connecting block (13), and a first sealing plate (16) and a second sealing plate (23) are correspondingly rotatably connected between each pair of fixing blocks (19), wherein the first sealing plate (16) covers the side of the second U-shaped fixing plate (24) and is sealed with the side of the second U-shaped fixing plate (24), and the second sealing plate (23) is L-shaped, and the second sealing plate (23) covers the side of the first U-shaped fixing plate (22) and is sealed with the side of the first U-shaped fixing plate (22); Cover plates (4) are installed on the sides of the first sealing plate (16) and the second sealing plate (23), wherein both sides of the cover plate (4) connected to the first sealing plate (16) extend to the sides of the third L-shaped fixing plate (14) and are fixed by adsorption through magnetic blocks (15); The two sides of the cover plate (4) connected to the second sealing plate (23) extend to the side surfaces of the first L-shaped fixing plate (8) and the second L-shaped fixing plate (9) and are fixed by adsorption through the magnetic block (15); A sealing gasket (11) is provided on the top of each pair of limiting plates (5), the bottom of the sealing gasket (11) covers the support block (25) installed at the bottom of the support rod (7), and a top cover (6) is installed on the top of the sealing gasket (11), both sides of the top cover (6) extend above the limiting plates (5) and are fixed to the limiting plates (5) by adsorption through magnetic blocks (15).

2. The architectural steel structure with reinforced joints according to claim 1, characterized in that: At least one reinforcing rib (12) is installed on the side of each first U-shaped fixing plate (22) and each second U-shaped fixing plate (24).

3. The architectural steel structure with reinforced joints according to claim 1, characterized in that: A guide block (21) is installed on the top of each first L-shaped fixing plate (8), and a guide groove (20) is symmetrically opened at the bottom of the support block (25) located inside the first L-shaped fixing plate (8), and each guide block (21) extends into the corresponding guide groove (20).

4. The architectural steel structure with reinforced joints according to claim 1, characterized in that: When the first sealing plate (16) rotates to be flush with the second U-shaped fixing plate (24), one end of the side surface of the first sealing plate (16) close to the L-shaped connecting block (13) is sealed connected to the L-shaped connecting block (13), and the other end of the first sealing plate (16) is sealed connected to the side surface of the fixing sleeve (2).

5. The architectural steel structure with reinforced joints according to claim 1, characterized in that: The second sealing plate (23) is arranged in an "L" shape, and when the second sealing plate (23) is rotated to be parallel to the first U-shaped fixing plate (22), the side surface of the second sealing plate (23) is close to one end of the L-shaped connecting block (13) and is sealedly connected to the L-shaped connecting block (13), and the side surface of the other end of the second sealing plate (23) contacts the side surface of the first U-shaped fixing plate (22) and is sealedly connected to the first U-shaped fixing plate (22).

6. The architectural steel structure with reinforced joints according to claim 2, characterized in that: When the first sealing plate (16) covers the second U-shaped fixing plate (24), a sealed cavity is formed between the first sealing plate (16) and the second U-shaped fixing plate (24), and the reinforcing rib (12) and the first fastening bolt (17) that fixes the second U-shaped fixing plate (24) and the crossbeam (10) together are both located in the sealed cavity; When the second sealing plate (23) covers the first U-shaped fixing plate (22), a sealed cavity is formed between the second sealing plate (23) and the first U-shaped fixing plate (22), and the reinforcing rib (12) and the second fastening bolt (18) that fixes the first U-shaped fixing plate (22) and the crossbeam (10) together are both located in the sealed cavity.

7. The architectural steel structure with reinforced joints according to claim 1, characterized in that: The sealing pad (11), the first sealing plate (16) and the second sealing plate (23) are all made of sealing rubber material.

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