Isolation structure and method for over-station construction

Abstract

The present invention relates to the technical field of transportation engineering and municipal engineering construction, specifically to an isolation structure and method for over-station construction. An isolation structure for over-station construction, comprising a transversely arranged horizontal steel beam and a longitudinally arranged main steel beam, characterized in that: an isolation membrane structure is provided on the transverse steel beam and the main steel beam, the lower end of the isolation membrane structure is connected to a dense-mesh safety green net, the lower end of the dense-mesh safety green net is connected to a vertical hard isolation structure, and the vertical hard isolation structure is located on the inner side of the platform. Compared with the existing technology, it can be constructed during the operation of the train, and after it is erected, it has high-demand isolation and safety protection, and is fully isolated from the track area, so that the construction in the station and the train operation do not affect each other, thereby improving work efficiency and construction safety.

Description

Technical Field

[0001] The invention relates to the technical field of traffic engineering and municipal engineering construction, in particular to an isolation structure and method for over-station construction. Background Art

[0002] Urban rail transit primarily consists of three modes: underground, surface, and elevated. Elevated stations are railway stations where platform and other station facilities are built atop elevated structures, at a significant height difference from the ground. During interior renovations and construction, there's the possibility of equipment and other objects falling into the track area, creating risks and even safety hazards. Furthermore, the isolation equipment installed during construction must be sufficiently safe and reliable, and also easily removable after completion. Meeting these various requirements is challenging.

[0003] Therefore, an isolation structure and method for over-station construction (skip-station construction) are designed, which can be carried out during train operation to improve construction safety. Summary of the Invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides an isolation structure and method for over-station construction.

[0005] In order to achieve the above-mentioned purpose, the present invention designs an isolation structure for over-station construction, including horizontal steel beams arranged horizontally and main steel beams arranged longitudinally, and is characterized in that: an isolation membrane structure is provided on the horizontal steel beams and the main steel beams, the lower end of the isolation membrane structure is connected to a dense mesh safety green net, the lower end of the dense mesh safety green net is connected to a vertical hard isolation structure, and the vertical hard isolation structure is located on the inner side of the platform.

[0006] The isolation membrane structure includes bolt 1, steel angle iron, pressure plate, nut, mounting ear, steel clamp, protective membrane, and secondary waterproof membrane. A secondary waterproof membrane is provided above the protective membrane. The protective membrane and the secondary waterproof membrane are connected by a steel angle iron. A steel clamp is provided on the outside of the main steel beam. Two oppositely arranged mounting ears are provided on one side of the steel clamp. The secondary waterproof membrane passes through the mounting ears, and the two mounting ears are fastened by bolts.

[0007] The vertical hard isolation structure includes an isolation plate, a base, a connecting tool, a second connecting steel plate, and a hoop. The bottom end of the isolation plate is provided with a base, the inner side of the isolation plate is provided with a first connecting steel plate, the inner side of the first connecting steel plate is connected to the hoop, and the hoop is sleeved on the shield door guardrail.

[0008] A second connecting steel plate is provided on one side of the clamp, and the first connecting steel plate and the second connecting steel plate are connected by a second bolt.

[0009] The base comprises a bottom steel plate, a kick plate and a support pier. A pair of support piers are respectively provided on both sides of the upper end of the bottom steel plate, and the outer side of the support pier on one side is connected to the kick plate.

[0010] The outer side of the isolation board is provided with a keel edging, and the outer side of the keel edging is provided with a fireproof adhesive strip.

[0011] The secondary waterproof membrane and the steel angle iron are fastened by nuts.

[0012] The protective film is fastened to the horizontal steel beam and the steel angle iron by bolts.

[0013] A pressure plate is provided at the connection point between the protective film and the bolt.

[0014] The method for constructing an isolation structure through a cross-station construction comprises the following steps:

[0015] S1, preparation of staff and climbing equipment;

[0016] In S2, workers climbed onto the climbing equipment and installed the isolation membrane structure onto the main steel beam;

[0017] S3, assemble the vertical hard isolation structure;

[0018] S4, install the clamp on the half-height screen door guardrail;

[0019] S5, fixing the connection fixture of the vertical hard isolation structure to the second connection steel plate on the hoop;

[0020] S6, the right side connection lock of the vertical hard isolation structure, used for fixing and connecting multiple vertical hard isolation structures;

[0021] S7, tie one end of the dense mesh safety green net to the main steel beam, and tie the other end of the dense mesh safety green net to the upper end of the isolation board;

[0022] S8, complete the construction of isolating the platform from the track and clean up the site.

[0023] Compared with the existing technology, the present invention can be constructed during the operation of the train. After erection, it has high-demand isolation and safety protection, and is fully isolated from the track area, so that the construction in the station and the train operation do not affect each other, thereby improving work efficiency and construction safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention.

[0025] Figure 2 This is the front view of the isolation membrane structure of the present invention.

[0026] Figure 3 It is a side sectional view of the vertical hard isolation structure of the present invention.

[0027] Figure 4 for Figure 3 A magnified view of the .

[0028] Figure 5 This is an enlarged view of the roof structure of the present invention.

[0029] Figure 6 This is the front view of the vertical hard isolation structure of the present invention.

[0030] Figure 7 This is a schematic diagram of the vertical hard isolation after splicing of the present invention.

[0031] See also Figures 1-6 , among which, 1. vertical hard isolation structure, 2. close-mesh safety green net, 3. isolation membrane structure, 4. sun panel, 5. ceiling, 6. bolt one, 6-1. steel angle iron, 6-2. pressure plate, 6-3. nut, 6-4. mounting ear, 7. steel clamp, 8. main steel beam, 9. horizontal steel beam, 10. protective membrane, 11. secondary waterproof membrane, 12. steel column, 13. shield door guardrail, 14. isolation board, 15. bottom steel plate, 16. support pier, 17. kick plate, 18. connection tooling, 18-1. side steel plate, 18-2. long bolt, 18-3. bolt two, 18-4. connecting steel plate one, 18-5. connecting steel plate two, 19. connecting lock, 20. clamp, 22. keel edging. Implementation Method

[0032] The present invention will be further described below with reference to the accompanying drawings.

[0033] like Figures 1-6 As shown, an isolation membrane structure 3 is provided on the horizontal steel beam 9 and the main steel beam 8, the lower end of the isolation membrane structure 3 is connected to the close-mesh safety green net 2, the lower end of the close-mesh safety green net 2 is connected to the vertical hard isolation structure 1, the vertical hard isolation structure 1 is located on the inner side of the platform, the lower end of the outermost horizontal steel beam 9 is connected to the steel column 12, and the steel column 12 is connected to the ground inside the station; a ceiling 5 is provided on the upper end of the horizontal steel beam 9 and the main steel beam 8, and a sun panel 4 is provided on the inner side of the ceiling 5.

[0034] The isolation membrane structure 3 includes a bolt 6, a steel angle iron 6-1, a pressure plate 6-2, a nut 6-3, a mounting ear 6-4, a steel clamp 7, a protective membrane 10, and a secondary waterproof membrane 11. A secondary waterproof membrane 11 is provided above the protective membrane 10. The protective membrane 10 and the secondary waterproof membrane 11 are connected by a steel angle iron 6-1. A steel clamp 7 is provided on the outside of the main steel beam 8. Two oppositely arranged mounting ears 6-4 are provided on one side of the steel clamp 7. The secondary waterproof membrane 11 passes through the mounting ear 6-4, and the two mounting ears 6-4 are fastened by bolts.

[0035] The vertical rigid isolation structure 1 includes an isolation panel 14, a base, a connecting fixture 18, a second connecting steel plate 18-5, and a clamp 20. The isolation panel 14 has a base at its bottom, a connecting steel plate 18-4 on one side, and a clamp 20 attached to the inner side of the connecting steel plate 18-4. The clamp 20 is mounted on the screen door guardrail 13. The isolation panel 14 has side steel plates 18-1 on its left and right sides, respectively. The left and right side steel plates 18-1 are connected by long bolts 18-2. The right side steel plate 18-1 is connected to the first connecting steel plate 18-4.

[0036] A second connecting steel plate 18-5 is provided on one side of the clamp 20, and the first connecting steel plate 18-4 and the second connecting steel plate 18-5 are connected by a second bolt 18-3.

[0037] The base includes a bottom steel plate 15 , a kick plate 17 , and a support pier 16 . A pair of support piers 16 are respectively provided on both sides of the upper end of the bottom steel plate 15 , and the outer side of the support pier 16 on one side is connected to the kick plate 17 .

[0038] A keel edging 22 is provided on the outer side of the isolation plate 14 , and a fireproof adhesive strip is provided on the outer side of the keel edging 22 .

[0039] The secondary waterproof membrane 11 and the steel angle iron 6-1 are fastened by nuts 6-3.

[0040] The protective film 10 is fastened to the horizontal steel beam 9 and the steel angle iron 6-1 by bolts 6.

[0041] A pressure plate 6-2 is provided at the connection between the protective film 10 and the bolt 6.

[0042] The installation method and steps of the isolation structure for overpass construction in elevated stations are as follows:

[0043] S1, preparation of staff and climbing equipment;

[0044] S2, workers climb up the climbing equipment and install the isolation membrane structure 3 on the main steel beam 8;

[0045] S3, assembling the vertical hard isolation structure 1;

[0046] S4, install the clamp 20 on the half-height shield door guardrail 13;

[0047] S5, fixedly connecting the connecting fixture 18 of the vertical hard isolation structure to the connecting steel plate 2 18-5 on the hoop 20;

[0048] S6, the right side connection lock 19 of the vertical hard isolation structure 1 is used for fixing and connecting multiple vertical hard isolation structures 1;

[0049] S7, tie one end of the dense mesh safety green net 2 to the main steel beam 8, and tie the other end of the dense mesh safety green net 2 to the upper end of the isolation board 14;

[0050] S8, complete the construction of isolating the platform from the track and clean up the site.

[0051] The design of the steel clamp 7 of the present invention enables the protective membrane 10 and the secondary waterproof membrane 11 to play an adequate top protection role.

[0052] The isolation board 1 of the vertical hard isolation structure 1 is made of aluminum fiber sound-absorbing board, which has fire-proof and sound-absorbing functions. It is surrounded by light steel keels and has 5mm thick fire-proof strips on the outside. The connection lock 19 design of the vertical hard isolation structure 1 enables multiple vertical hard isolation structures 1 to maintain a fixed connection, providing better protection. Secondly, a connecting steel plate 18-4 is also provided on one side of the isolation board 14, which can be fixed in position with the connecting steel plate 2 18-5 and the clamp 20.

[0053] The lower end of the dense mesh safety green net 2 of the present invention is tied to the upper end of the vertical hard isolation structure 1 with a rope, and the upper end is tied to the main steel beam 8 with a rope. At the same time, the dense mesh safety green net 2 is kept flat when set, straightened but not tightened, reducing the force between it and the vertical hard isolation structure 1.

Claims

1. An isolation structure for overpass construction, comprising a transversely arranged transverse steel beam (9) and a longitudinally arranged main steel beam (8), characterized in that: The horizontal steel beam (9) and the main steel beam (8) are provided with an isolation membrane structure (3), the lower end of the isolation membrane structure (3) is connected to the dense mesh safety green net (2), the lower end of the dense mesh safety green net (2) is connected to the vertical hard isolation structure (1), and the vertical hard isolation structure (1) is located on the inner side of the platform; the isolation membrane structure (3) includes a bolt (6), a steel angle iron (6-1), a pressure plate (6-2), a nut (6-3), an installation ear (6-4), a steel clamp (7), a protective membrane (10), and a secondary waterproof membrane (11). A secondary waterproof membrane (11) is provided above the protective membrane (10), and the protective membrane (10) and the secondary waterproof membrane (11) are connected by a steel angle iron (6-1 ) connection, a steel clamp hoop (7) is provided on the outside of the main steel beam (8), two mounting ears (6-4) arranged opposite to each other are provided on one side of the steel clamp hoop (7), a secondary waterproof membrane (11) passes through the mounting ears (6-4), and the two mounting ears (6-4) are fastened by bolts; the vertical hard isolation structure (1) includes an isolation plate (14), a base, a connecting tool (18), a second connecting steel plate (18-5), and a hoop (20), the bottom end of the isolation plate (14) is provided with a base, a connecting steel plate (18-4) is provided on one side of the isolation plate (14), the inner side of the connecting steel plate (18-4) is connected to the hoop (20), and the hoop (20) is sleeved on the shield door guardrail (13).

2. The isolation structure for overpass construction according to claim 1, characterized in that: One side of the hoop (20) is provided with a second connecting steel plate (18-5), and the first connecting steel plate (18-4) and the second connecting steel plate (18-5) are connected via a second bolt (18-3).

3. The isolation structure for overpass construction according to claim 1, characterized in that: The base comprises a bottom steel plate (15), a kick plate (17), and a support pier (16). A pair of support piers (16) are respectively provided on both sides of the upper end of the bottom steel plate (15), and the outer side of the support pier (16) on one side is connected to the kick plate (17).

4. The isolation structure for overpass construction according to claim 1, characterized in that: The outer side of the isolation plate (14) is provided with a keel edging (22), and the outer side of the keel edging (22) is provided with a fireproof adhesive strip.

5. The isolation structure for overpass construction according to claim 1, characterized in that: The secondary waterproof membrane (11) and the steel angle iron (6-1) are fastened via nuts (6-3).

6. The isolation structure for overpass construction according to claim 1, characterized in that: The protective film (10) is fastened to the horizontal steel beam (9) and the steel angle iron (6-1) by bolt 1 (6).

7. The isolation structure for overpass construction according to claim 6, characterized in that: A pressure plate (6-2) is provided at the connection between the protective film (10) and the bolt 1 (6).

8. A method for constructing an isolation structure across a station according to any one of claims 1 to 7, characterized in that: The steps include: S1, preparation of staff and climbing equipment; S2, workers climb up the climbing equipment and install the isolation membrane structure (3) on the main steel beam (8); S3, assemble the vertical hard isolation structure (1); S4, installing a hoop (20) on the half-height shield door guardrail (13); S5, fixedly connecting the connecting fixture (18) of the vertical hard isolation structure to the second connecting steel plate (18-5) on the hoop (20); S6, a connecting lock (19) on the right side of the vertical hard isolation structure (1), used for fixedly connecting multiple vertical hard isolation structures (1); S7, tie one end of the dense mesh safety green net (2) to the main steel beam (8), and tie the other end of the dense mesh safety green net (2) to the upper end of the isolation board (14); S8, complete the construction of isolating the platform from the track and clean up the site.

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