Steel structure supporting beam for subway station
By introducing limiting mechanisms and limiting components into the steel structure support beams of subway stations, the rapid connection between I-shaped steel and square steel is achieved, and the earthquake resistance and corrosion resistance are improved through shock absorption gaskets and waterproof rubber layers, which solves the problem of current There is a problem of low connection efficiency in the technology, which improves the construction efficiency and the practicality of support beams.
Patent Information
- Application Number
- CN202420300241.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-19
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-02-19
AI Technical Summary
The connection efficiency of steel structure support beams in existing subway stations is low, and tools are required, resulting in a reduction in construction efficiency.
The limiting mechanism and limiting assembly are adopted to achieve a quick connection between I-shaped steel and square steel through sliding connections and threaded connections, and a shock absorbing gasket and waterproof rubber layer are installed at the connection to improve shock resistance and corrosion resistance.
It improves the assembly efficiency and earthquake resistance of the support beam, enhances the corrosion resistance, and improves the practicality of the support beam.
Smart Images

Figure CN222140370U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of support beams, in particular to a steel structure support beam for a subway station. Background Art
[0002] Support beams are indispensable components in buildings, and a large number of support beams are needed during the construction of subway stations. The support beams in the existing technology are usually made of I-beams or channel steels.
[0003] For example, Chinese patent CN206521872U discloses a steel structure support beam for a subway station, which includes an I-beam and two square steels. The two square steels are arranged in the receiving cavities on the left and right sides of the I-beam. The two square steels are connected and fixed to the wing plates of the I-beam by a plurality of first bolts. The inner side wall of each square steel is provided with a plurality of arc-shaped ridges extending along the length direction of the square steel. Concrete is poured in the cavities of the two square steels, and a fireproof gasket is provided between the concrete and the inner wall of the square steel.
[0004] However, the I-beam and the square steel are connected by bolts, and the bolt connection requires the use of tools, which reduces the connection efficiency and further reduces the work efficiency. Therefore, a subway station steel structure support beam is proposed to solve the above-mentioned problems. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model provides a steel structure support beam for a subway station, which has the advantages of being easy to connect and solves the problem that the I-beam and the square steel are connected by bolts, and the bolt connection requires the use of tools, thereby reducing the connection efficiency and further reducing the work efficiency.
[0006] To achieve the above object, the utility model provides the following technical solution: a subway station steel structure support beam, comprising an I-beam, two square steels are slidably connected inside the I-beam, two limit mechanisms are arranged on the I-beam, and four limit assemblies are arranged on the I-beam;
[0007] The limiting mechanism includes a cabin body fixedly connected to the inside of the I-beam, a movable rod is slidably connected to the inside of the cabin body, a No. 1 spring is sleeved on the outer side of the movable rod, a connecting plate is fixedly connected to the outer side of the movable rod, a limiting plate is fixedly connected to the movable rod, two limiting blocks are fixedly connected to the limiting plate, and a handle for easy pulling is fixedly connected to the bottom of the movable rod.
[0008] Furthermore, the limit assembly includes a box body fixedly connected to the inside of the I-beam, a threaded rod is rotatably connected to the box body, the outer side of the threaded rod is threadedly connected to a threaded block, the left and right sides of the threaded block are fixedly connected to fixed blocks, the left and right sides of the inner wall of the box body are provided with fixed grooves slidably connected to the outer side of the fixed block, the inside of the two fixed grooves are fixedly connected to fixed rods, the outer sides of the two fixed rods are sleeved with No. 2 springs, and the bottom of the threaded rod is fixedly connected to a turning handle.
[0009] By adopting the above technical solution, the effect of limiting the position of the square steel is achieved, thereby facilitating the quick connection between the I-beam and the square steel, thereby improving the assembly efficiency of the support beam.
[0010] Furthermore, a shock-absorbing gasket is provided between the square steel and the I-beam.
[0011] By adopting the above technical solution, the seismic resistance of the steel structure support beams of the subway station is improved.
[0012] Furthermore, a waterproof rubber layer is provided at the outer gap where the square steel is connected to the I-beam.
[0013] By adopting the above technical solution, the steel structure support beams of the subway station have anti-corrosion properties.
[0014] Furthermore, a No. 1 connecting groove is provided on the I-beam, and the size of the No. 1 connecting groove is larger than the size of the handle.
[0015] By adopting the above technical solution, it is convenient to rotate the handle.
[0016] Furthermore, a limiting groove is provided inside the square steel, and the size of the limiting groove is adapted to the size of the limiting block.
[0017] By adopting the above technical solution, it is convenient to limit and fix the square steel.
[0018] Furthermore, a No. 2 connecting groove is provided on the I-beam, and the size of the No. 2 connecting groove is larger than the size of the handle.
[0019] By adopting the above technical solution, it is convenient to rotate the handle.
[0020] Furthermore, a positioning groove is provided inside the square steel, and the size of the positioning groove is adapted to the size of the threaded block.
[0021] By adopting the above technical solution, the square steel is further limited and fixed.
[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0023] 1. The steel structure support beam of the subway station is equipped with a limit mechanism and a limit component, so that the I-beam has the function of limiting the square steel, thereby facilitating the quick connection between the I-beam and the square steel, thereby improving the assembly efficiency of the support beam, facilitating the use of users, and increasing the practicality of the support beam.
[0024] 2. The steel structure support beams of the subway station are protected by shock-absorbing gaskets and waterproof rubber layers, thereby improving the seismic resistance of the steel structure support beams of the subway station. In turn, the steel structure support beams of the subway station have anti-corrosion properties, which is convenient for users to use and improves the practicality of the support beams. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a schematic diagram of the structure of the utility model;
[0026] Figure 2 For this utility model Figure 1 A schematic diagram of the structure enlargement in the middle;
[0027] Figure 3 For this utility model Figure 1 A magnified schematic diagram of the structure at B in the middle;
[0028] Figure 4 This is a schematic diagram of the I-beam structure of the utility model.
[0029] In the figure: 1. I-beam; 2. Square steel; 3. Cabin; 4. Movable rod; 5. Spring No. 1; 6. Connecting plate; 7. Limit plate; 8. Limit block; 9. Handle; 10. Box; 11. Threaded rod; 12. Threaded block; 13. Fixed block; 14. Fixed groove; 15. Fixed rod; 16. Spring No. 2; 17. Turn handle; 18. Shock-absorbing gasket; 19. Waterproof rubber layer. DETAILED DESCRIPTION
[0030] See also Figure 1-4 In this embodiment, a subway station steel structure support beam includes an I-beam 1, a No. 1 connecting groove is provided on the I-beam 1, a No. 2 connecting groove is provided on the I-beam 1, two square steels 2 are slidably connected inside the I-beam 1, a shock-absorbing gasket 18 is provided between the square steel 2 and the I-beam 1, a waterproof rubber layer 19 is provided at the outer gap where the square steel 2 and the I-beam 1 are connected, a limiting groove is provided inside the square steel 2, a positioning groove is provided inside the square steel 2, two limiting mechanisms are provided on the I-beam 1, and four limiting components are provided on the I-beam 1.
[0031] The limiting mechanism includes a cabin body 3 fixedly connected to the inside of the I-beam 1, a movable rod 4 is slidably connected to the inside of the cabin body 3, a No. 1 spring 5 is sleeved on the outer side of the movable rod 4, a connecting plate 6 is fixedly connected to the outer side of the movable rod 4, a limiting plate 7 is fixedly connected to the movable rod 4, two limiting blocks 8 are fixedly connected to the limiting plate 7, the size of the limiting groove is adapted to the size of the limiting block 8, a handle 9 for easy pulling is fixedly connected to the bottom of the movable rod 4, and the size of the No. 1 connecting groove is larger than the size of the handle 9.
[0032] In this embodiment, the limiting assembly includes a box body 10 fixedly connected to the inside of the I-beam 1, a threaded rod 11 is rotatably connected to the box body 10, and a threaded block 12 is threadedly connected to the outer side of the threaded rod 11. The size of the positioning groove is adapted to the size of the threaded block 12, and the left and right sides of the threaded block 12 are fixedly connected to fixed blocks 13. The left and right sides of the inner wall of the box body 10 are provided with fixed grooves 14 slidably connected to the outer side of the fixed block 13. The insides of the two fixed grooves 14 are fixedly connected to fixed rods 15, and the outer sides of the two fixed rods 15 are sleeved with No. 2 springs 16. The bottom of the threaded rod 11 is fixedly connected to a turning handle 17, and the size of the No. 2 connecting groove is larger than the size of the turning handle 17.
[0033] The working principle of the above embodiment is as follows: by setting a limit mechanism and setting a No. 1 connecting groove, it is convenient to pull the handle 9, pull the two handles 9 in reverse, the two handles 9 drive the two movable rods 4 to move in reverse, so that the connecting plate 6 squeezes the No. 1 spring 5, and the two movable rods 4 drive the two limit plates 7 and the limit blocks 8 to move in reverse, and then place the square steel 2 inside the I-beam 1, release the two handles 9, and reset the No. 1 spring 5 to make the two limit plates 7 and the limit blocks 8 move relative to each other and insert into the limit groove, and by setting a limit assembly, it is convenient to rotate the turning handle 17 through the No. 2 connecting groove, and the turning handle 17 drives the threaded rod 11 to rotate The threaded rod 11 drives the threaded block 12 to move up and down. By setting a fixed block 13, a fixed groove 14 and a fixed rod 15, the threaded block 12 is limited and supported, thereby driving the threaded block 12 to be inserted into the interior of the positioning groove to limit and fix the square steel 2, thereby facilitating the rapid connection between the I-beam 1 and the square steel 2, thereby improving the assembly efficiency of the support beam. By setting a shock-absorbing gasket 18 and a waterproof rubber layer 19, the support beam is protected, thereby improving the seismic resistance of the subway station steel structure support beam, and making the subway station steel structure support beam have anti-corrosion characteristics, which is convenient for users to use and improves the practicality of the support beam.
Claims
1. A subway station steel structure support beam, comprising an I-beam (1), characterized in that: Two square steels (2) are slidably connected inside the I-beam (1), two limit mechanisms are provided on the I-beam (1), and four limit components are provided on the I-beam (1); The limiting mechanism comprises a cabin (3) fixedly connected to the inside of the I-beam (1), a movable rod (4) is slidably connected to the inside of the cabin (3), a No. 1 spring (5) is sleeved on the outer side of the movable rod (4), a connecting plate (6) is fixedly connected to the outer side of the movable rod (4), a limiting plate (7) is fixedly connected to the movable rod (4), two limiting blocks (8) are fixedly connected to the limiting plate (7), and a handle (9) for easy pulling is fixedly connected to the bottom of the movable rod (4).
2. A subway station steel structure support beam according to claim 1, characterized in that: The limit assembly comprises a box body (10) fixedly connected to the inside of the I-beam (1), a threaded rod (11) being rotatably connected to the box body (10), a threaded block (12) being threadedly connected to the outside of the threaded rod (11), a fixed block (13) being fixedly connected to the left and right sides of the threaded block (12), a fixed groove (14) being slidably connected to the outside of the fixed block (13) being provided on the left and right sides of the inner wall of the box body (10), a fixed rod (15) being fixedly connected to the inside of the two fixed grooves (14), a No. 2 spring (16) being sleeved on the outside of the two fixed rods (15), and a turning handle (17) being fixedly connected to the bottom of the threaded rod (11).
3. The subway station steel structure support beam according to claim 1, characterized in that: A shock-absorbing gasket (18) is provided between the square steel (2) and the I-beam (1).
4. The subway station steel structure support beam according to claim 1, characterized in that: A waterproof rubber layer (19) is provided at the outer gap where the square steel (2) and the I-beam (1) are connected.
5. The subway station steel structure support beam according to claim 1, characterized in that: The I-beam (1) is provided with a No. 1 connection groove, the size of which is larger than the size of the handle (9).
6. The subway station steel structure support beam according to claim 1, characterized in that: A limiting groove is provided inside the square steel (2), and the size of the limiting groove matches the size of the limiting block (8).
7. The subway station steel structure support beam according to claim 2, characterized in that: The I-beam (1) is provided with a second connecting groove, the size of which is larger than the size of the turning handle (17).
8. The subway station steel structure support beam according to claim 2, characterized in that: A positioning groove is provided inside the square steel (2), and the size of the positioning groove matches the size of the threaded block (12).
