Large-span assembly type beam-column structure joint
By setting symmetrical L-shaped plates and corresponding fixing, protection and reinforcement mechanisms on the beam and column nodes, the problems of easy breakage and small contact area of existing welded connections are solved, and the connection strength and seismic resistance are improved.
Patent Information
- Application Number
- CN202420361613.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-26
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-02-26
AI Technical Summary
The existing beam and column nodes are connected by welding, which makes it easy to break during strong vibrations, and the contact area between the steel beam and the steel column node is small, affecting the connection strength.
A large-span prefabricated beam and column structural node is designed, and symmetrical L-shaped plates are arranged on both sides of the steel column, and connected by fixing mechanisms, protective mechanisms and reinforcement mechanisms to ensure the stable fixation and protection of the steel beams and steel columns.
It improves the strength and stability of the connecting nodes, prevents damage caused by the steel beams from being squeezed with the steel columns during installation, and enhances the seismic resistance of the overall structure.
Smart Images

Figure CN222332946U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of assembled structures, in particular to a large-span assembled beam-column structure node. Background Art
[0002] In recent years, with the development of my country's construction industry and the country's strong advocacy of prefabricated buildings, prefabricated buildings have begun to develop. Compared with traditional construction technology, prefabricated buildings use factory production to greatly reduce construction waste on the construction site, which is beneficial to environmental protection; reduce construction site intensity, shorten construction period, factory integration, save resources and costs, and standardize design. Under the premise of excess national steel production capacity, it is of great significance to vigorously implement prefabricated steel structure buildings.
[0003] The existing beam-column nodes are generally connected to each other by welding. This type of connection is a rigid connection with poor node ductility. It is easy to break when encountering strong vibrations, affecting the stability of the overall structure. Some steel beams are fixed to the steel column nodes by bolts, and the contact area between the steel beam and the steel column nodes is small, which makes the connection between the steel beam and the steel column nodes more susceptible to damage during use, thereby affecting the connection strength at the connection node.
[0004] Based on this, a large-span assembled beam-column structural node is now provided, which can eliminate the disadvantages of the existing devices. Utility Model Content
[0005] The purpose of the utility model is to provide a large-span assembled beam-column structure node to solve the problem that the existing beam-column nodes are generally connected to each other by welding. This connection is a rigid connection and is prone to breakage when encountering strong vibrations. Some steel beams are fixed to the steel column nodes by bolts, and the contact area between the steel beam and the steel column nodes is small, which makes the connection between the steel beam and the steel column nodes more susceptible to damage during use, thereby affecting the connection strength at the connection node.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A large-span assembled beam-column structure node comprises a steel column, symmetrical L-shaped plates are arranged on both sides of the steel column, the L-shaped plates are connected to the steel column by a fixing mechanism, protective mechanisms are arranged between the L-shaped plates on both sides of the steel column, steel beams are arranged between the L-shaped plates and outside the protective mechanisms, first fixing plates are arranged above the L-shaped plates on both sides of the steel column, a second fixing plate is arranged on one side of the L-shaped plate on the steel beam, and a reinforcement mechanism is arranged between the first fixing plate and the second fixing plate.
[0008] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:
[0009] In an optional solution: the fixing mechanism includes a first bolt, which is symmetrically arranged at the upper end of the L-shaped plate, the L-shaped plate and the steel column are fixedly connected by the first bolt and the first nut, and the bottom end of the L-shaped plate is fixedly connected to the steel beam by a plurality of second bolts and a second nut.
[0010] In an optional solution: the protection mechanism includes a damping spring, the bottom end of the damping spring is fixedly connected to the surface of the steel column, and the top end of the damping spring is provided with a baffle, and the baffle is in contact with the steel beam.
[0011] In an optional solution: the L-shaped plate and the steel beam are fixedly connected by a plurality of second bolts and second nuts.
[0012] In an optional solution: connecting plates are obliquely symmetrically arranged inside the L-shaped plate, and the two obliquely symmetrical connecting plates are fixedly connected by a third bolt penetrating the steel column and cooperating with a third nut.
[0013] In an optional solution: the first fixing plate and the steel column are fixedly connected by a fourth bolt and a fourth nut.
[0014] In an optional solution: the second fixing plate and the steel beam are fixedly connected by a plurality of fifth bolts and fifth nuts.
[0015] In an optional scheme: the reinforcement mechanism includes a first support block, the first support block is symmetrically arranged on the first fixed plate, a first sleeve is rotatably connected between the first support blocks, a symmetrical second support block is arranged on the second fixed plate, a second sleeve is rotatably connected between the second support blocks, and a reinforcing rod is fixedly connected between the first sleeve and the second sleeve.
[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0017] The utility model has symmetrical L-shaped plates on both sides of the steel column, the L-shaped plates are connected to the steel column by a fixing mechanism, protective mechanisms are arranged between the L-shaped plates on both sides of the steel column, steel beams are arranged between the L-shaped plates and outside the protective mechanisms, first fixing plates are arranged above the L-shaped plates on both sides of the steel column, second fixing plates are arranged on one side of the L-shaped plates on the steel beam, a reinforcement mechanism is arranged between the first fixing plate and the second fixing plate, the fixing mechanism can fix the L-shaped plates on the steel column and is detachable, the protective mechanism can prevent the steel beam from being damaged by being squeezed when the steel beam is installed, and the reinforcement mechanism can improve the stability of the steel beam. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of one side of the utility model.
[0019] Figure 2 It is a schematic diagram of the overall structure of the other side of the utility model.
[0020] Figure 3 It is a schematic diagram of the structure of the protective knot mechanism of the utility model.
[0021] Figure 4 It is a partial structural schematic diagram of the utility model.
[0022] Notes on figure numbers: 1. steel column; 2. L-shaped plate; 3. first bolt; 4. first nut; 5. second bolt; 6. second nut; 7. third bolt; 8. damping spring; 9. baffle; 10. steel beam; 11. third nut; 12. first fixing plate; 13. fourth bolt; 14. fourth nut; 15. first support block; 16. first sleeve; 17. second fixing plate; 18. fifth bolt; 19. fifth nut; 20. second support block; 21. second sleeve; 22. reinforcing rod; 23. connecting plate. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.
[0024] Example 1
[0025] In one embodiment, Figure 1-Figure 4 As shown, a large-span assembled beam-column structure node includes a steel column 1, symmetrical L-shaped plates 2 are arranged on both sides of the steel column 1, the L-shaped plates 2 and the steel column 1 are connected by a fixing mechanism, protective mechanisms are arranged between the L-shaped plates 2 on both sides of the steel column 1, a steel beam 10 is arranged between the L-shaped plates 2 and on the outside of the protective mechanism, a first fixing plate 12 is arranged above the L-shaped plates 2 on both sides of the steel column 1, a second fixing plate 17 is arranged on one side of the L-shaped plate 2 on the steel beam 10, a reinforcement mechanism is arranged between the first fixing plate 12 and the second fixing plate 17, the fixing mechanism can fix the L-shaped plate 2 on the steel column 1, and has a detachable function, the protective mechanism can protect the steel beam 10 from being damaged by mutual squeezing with the steel column during installation, thereby affecting the strength of the steel beam 10, and the reinforcement mechanism can improve the stability of the steel beam 10.
[0026] In one embodiment, Figure 1 As shown, the fixing mechanism includes a first bolt 3, which is symmetrically arranged at the upper end of the L-shaped plate 2. The L-shaped plate 2 and the steel column 1 are fixedly connected by the first bolt 3 and the first nut 4. The bottom end of the L-shaped plate 2 is fixedly connected to the steel beam 10 by a plurality of second bolts 5 and second nuts 6. The L-shaped plate 2 is detachable on the steel column 1.
[0027] In one embodiment, Figure 3 As shown, the protective mechanism includes a damping spring 8, the bottom end of the damping spring 8 is fixedly connected to the surface of the steel column 1, and a baffle 9 is arranged on the top of the damping spring 8. The baffle 9 is in contact with the steel beam 10. When the steel beam 10 is installed, the bottom end of the steel beam 10 squeezes the baffle 9, so that the baffle 9 compresses the damping spring 8, providing a buffer for the steel beam 10, and preventing the steel beam 10 and the steel column 1 from squeezing each other and causing damage.
[0028] In one embodiment, Figure 4 As shown, the L-shaped plate 2 and the steel beam 10 are fixedly connected by a plurality of second bolts 5 and second nuts 6, and the L-shaped plate 2 and the steel beam 10 are detachable.
[0029] In one embodiment, Figure 1 As shown, connecting plates 23 are obliquely symmetrically arranged inside the L-shaped plate 2. The two obliquely symmetrical connecting plates 23 are fixedly connected by a third bolt 7 penetrating the steel column 1 and cooperating with a third nut 11, which can improve the installation stability of the L-shaped plate 2.
[0030] In one embodiment, Figure 4 As shown, the first fixing plate 12 and the steel column 1 are fixedly connected by the cooperation of the fourth bolt 13 and the fourth nut 14 , and the first fixing plate 12 is detachable from the steel column 1 .
[0031] In one embodiment, Figure 4 As shown, the second fixing plate 17 and the steel beam 10 are fixedly connected by a plurality of fifth bolts 18 and fifth nuts 19 , and the second fixing plate 17 is detachable from the steel beam 10 .
[0032] Example 2
[0033] In one embodiment, Figure 4 As shown, the reinforcement mechanism includes a first support block 15, which is symmetrically arranged on the first fixed plate 12, and a first sleeve 16 is rotatably connected between the first support blocks 15. A symmetrical second support block 20 is arranged on the second fixed plate 17, and a second sleeve 21 is rotatably connected between the second support blocks 20. A reinforcing rod 22 is fixedly connected between the first sleeve 16 and the second sleeve 21, and the first fixed plate 12 and the second fixed plate 17 are supported by the reinforcing rod 22, thereby improving the stability of the steel beam 10.
[0034] The above embodiment discloses a large-span assembled beam-column structure node. During installation, two pairs of L-shaped plates 2 are installed on the steel column 1 through the first bolts 3 and the first nuts 4, one end of the steel beam 10 is aligned with the baffle 9 between the L-shaped plates 2 and squeezed inward, and the bottom end of the L-shaped plate 2 is fixedly connected to the steel beam 10 through a plurality of second bolts 5 and second nuts 6, and the steel beam 10 is fixed in the L-shaped plate 2, and the first fixing plate 12 is installed on the steel column 1, and the second fixing plate 17 is installed on the steel beam 10. The first fixing plate 12 and the second fixing plate 17 are supported by each other through the reinforcing rod 22, thereby improving the stability of the steel beam 10 and improving the connection strength at the connection node.
[0035] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.
Claims
1. A large-span assembled beam-column structural node, comprising a steel column (1), characterized in that: Symmetrical L-shaped plates (2) are arranged on both sides of the steel column (1), the L-shaped plates (2) and the steel column (1) are connected via a fixing mechanism, protective mechanisms are arranged between the L-shaped plates (2) on both sides of the steel column (1), steel beams (10) are arranged between the L-shaped plates (2) and on the outside of the protective mechanisms, first fixing plates (12) are arranged above the L-shaped plates (2) on both sides of the steel column (1), a second fixing plate (17) is arranged on one side of the L-shaped plates (2) on the steel beam (10), and a reinforcement mechanism is arranged between the first fixing plate (12) and the second fixing plate (17).
2. The large-span assembled beam-column structural node according to claim 1 is characterized in that: The fixing mechanism comprises a first bolt (3), the first bolt (3) being symmetrically arranged at the upper end of the L-shaped plate (2), the L-shaped plate (2) being fixedly connected to the steel column (1) by the cooperation of the first bolt (3) and a first nut (4), and the bottom end of the L-shaped plate (2) being fixedly connected to the steel beam (10) by the cooperation of a plurality of second bolts (5) and a second nut (6).
3. The large-span assembled beam-column structural node according to claim 1 is characterized in that: The protection mechanism comprises a damping spring (8), the bottom end of the damping spring (8) is fixedly connected to the surface of the steel column (1), the top end of the damping spring (8) is provided with a baffle (9), and the baffle (9) is in contact with the steel beam (10).
4. The large-span assembled beam-column structural node according to claim 1 is characterized in that: The L-shaped plate (2) and the steel beam (10) are fixedly connected by a plurality of second bolts (5) and second nuts (6).
5. The large-span assembled beam-column structural node according to claim 1, characterized in that: The L-shaped plates (2) are both obliquely symmetrically provided with connecting plates (23), and the two obliquely symmetrical connecting plates (23) are fixedly connected by a third bolt (7) penetrating the steel column (1) and cooperating with a third nut (11).
6. The large-span assembled beam-column structural node according to claim 1, characterized in that: The first fixing plate (12) and the steel column (1) are fixedly connected by means of a fourth bolt (13) and a fourth nut (14).
7. The large-span assembled beam-column structural node according to claim 1 is characterized in that: The second fixing plate (17) and the steel beam (10) are fixedly connected by a plurality of fifth bolts (18) and fifth nuts (19).
8. The large-span assembled beam-column structural node according to claim 1, characterized in that: The reinforcement mechanism comprises a first support block (15), the first support block (15) is symmetrically arranged on a first fixed plate (12), a first sleeve (16) is rotatably connected between the first support blocks (15), a symmetrical second support block (20) is arranged on the second fixed plate (17), a second sleeve (21) is rotatably connected between the second support blocks (20), and a reinforcing rod (22) is fixedly connected between the first sleeve (16) and the second sleeve (21).