A foundation pit air film installation structure and construction method

Abstract

The present invention relates to the technical field of foundation pit air membranes, and specifically to a foundation pit air membrane installation structure and construction method, comprising: a fixed plate, an air membrane is arranged at the bottom of the fixed plate; a horizontal plate, a connecting plate is fixed on the surface of the horizontal plate, a lower pressure plate is fixed on the end of the connecting plate, an extension rod is arranged on the surface of the lower pressure plate, a first rotating shaft is arranged inside the extension rod, a rectangular groove is opened on the surface of the fixed plate, a rubber block is arranged in the rectangular groove; and a second rotating shaft is arranged inside the fixed plate; the beneficial effect is: the end of the air membrane proposed by the present invention is wound around the surface of the winding shaft, so that the end of the air membrane is located at the bottom of the fixed plate, the screw is screwed to fix the horizontal plate, the horizontal plate is pressed down on the surface of the lower pressure plate through the connecting plate, so that the lower pressure plate is pressed down on the surface of the fixed plate, the end of the lower pressure plate is fixed with an extension plate, and the rubber block at the bottom of the extension plate is supported on the surface of the fixed plate to stabilize the position of the fixed plate.

Description

Technical Field

[0001] The invention relates to the technical field of foundation pit air film, and in particular to a foundation pit air film installation structure and a construction method. Background Art

[0002] Air-film building refers to a building structure system that uses special building membrane materials as the outer shell and is equipped with a set of intelligent electromechanical equipment to provide positive air pressure inside the air-film building to support the main body of the building.

[0003] In the prior art, the ends of the air membrane are fixed by fixing components, so that the air membrane acts as the outer shell of the building, and the "outer shell" is supported by an automated pressurization and fresh air system to form a building space;

[0004] However, the end of the air film is generally fixed by a screw in the fixing assembly, and the end of the air film is squeezed and fixed by a fixing plate, which makes it difficult to precisely adjust the position of the end of the air film after fixation and requires re-loosening the fixation for adjustment. Summary of the invention

[0005] The object of the present invention is to provide a foundation pit air film installation structure and a construction method to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a foundation pit air film installation structure, comprising:

[0007] A fixed plate, wherein an air film is arranged at the bottom of the fixed plate;

[0008] A horizontal plate, a connecting plate is fixed on the surface of the horizontal plate, a lower pressure plate is fixed on the end of the connecting plate, an extension rod is arranged on the surface of the lower pressure plate, a first rotating shaft is arranged inside the extension rod, a rectangular groove is opened on the surface of the fixed plate, a rubber block is arranged in the rectangular groove; and a second rotating shaft is arranged inside the fixed plate.

[0009] Preferably, the surface of the horizontal plate is screwed with a screw, the surface of the fixed plate is connected to a steel cable, the steel cable is connected to the surface of the fixed plate through the screw, the surface of the lower pressure plate is fixed with an arc plate, the end of the arc plate is fixed with an extension plate, the bottom of the extension plate is provided with a rubber block, the rubber blocks are provided in multiple groups, and the rubber blocks are elastic.

[0010] Preferably, a groove is provided at the bottom of the lower pressure plate, and a first rotating shaft is arranged in the groove. The first rotating shaft can rotate in the groove, and the end of the first rotating shaft is connected to the screw shaft. The first rotating shaft rotates along with the screw shaft. The surface of the first rotating shaft is provided with teeth, and the teeth rotate along with the first rotating shaft.

[0011] Preferably, a rectangular groove is provided on the surface of the fixed plate, a first transverse groove and a second transverse groove are provided inside the rectangular groove, a movable plate is inserted into the first transverse groove and the second transverse groove, the movable plate can move transversely in the first transverse groove and the second transverse groove, a spring is provided in the first transverse groove, one end of the spring is connected to the end of the first transverse groove, and the other end is connected to the end of the movable plate, and the spring has a pulling force on the movable plate.

[0012] Preferably, the surface of the movable plate is provided with teeth. During the rotation of the first rotating shaft, the teeth on the surface of the first rotating shaft will contact the teeth on the surface of the movable plate, so that the movable plate moves. The bottom of the movable plate is provided with teeth, and a circular groove is opened inside the fixed plate. A second rotating shaft is provided in the circular groove, and the second rotating shaft can rotate in the circular groove.

[0013] Preferably, the surface of the second rotating shaft is provided with teeth. During the movement of the movable plate, the teeth at the bottom of the movable plate will contact the teeth on the surface of the second rotating shaft, so that the second rotating shaft rotates. The second rotating shaft is located at the top of the end of the air film. The teeth on the surface of the second rotating shaft are made of rubber, and the teeth on the surface of the second rotating shaft are held on the surface of the air film.

[0014] Preferably, a winding shaft is provided at the end of the fixed plate, the winding shaft can rotate at the end of the fixed plate, and the end of the air film is wound around the surface of the winding shaft.

[0015] Preferably, the screw rod rotates and moves downward to drive the transverse plate to move downward, and the transverse plate drives the lower pressure plate to move downward through the connecting plate.

[0016] Preferably, the fixing plates are provided in multiple groups, and the multiple groups of fixing plates are located at the top of the end of the air film.

[0017] A construction method for a foundation pit air film installation structure comprises the following steps:

[0018] Step 1: Stabilize. The end of the air film is wound around the surface of the reel so that the end of the air film is located at the bottom of the fixed plate. The screw is screwed to fix the horizontal plate. The horizontal plate is pressed down on the surface of the lower pressing plate through the connecting plate so that the lower pressing plate is pressed down on the surface of the fixed plate. An extension plate is fixed at the end of the lower pressing plate. The rubber block at the bottom of the extension plate is held against the surface of the fixed plate to stabilize the position of the fixed plate.

[0019] Step 2: Fixing. Since the rubber block is elastic, the position of the fixed plate can still be adjusted after it is stabilized. The screwing shaft is screwed, and the screwing shaft drives the first rotating shaft to rotate. The teeth on the surface of the first rotating shaft push the teeth on the surface of the rubber block, so that the rubber block moves in the second transverse groove and the first transverse groove. The spring is stretched. After the movable plate moves, the teeth at the bottom of the movable plate drive the teeth on the surface of the second rotating shaft to move. The second rotating shaft rotates, and the teeth on the surface of the second rotating shaft are held on the end of the air film to tighten the end of the air film. The screw is screwed again to fix the fixed plate firmly, and the end of the air film can be firmly held on the bottom through the second rotating shaft.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The end of the air film proposed in the present invention is wound around the surface of the winding shaft so that the end of the air film is located at the bottom of the fixed plate. The screw is screwed to fix the cross plate, and the cross plate is pressed down on the surface of the lower pressure plate through the connecting plate, so that the lower pressure plate is pressed down on the surface of the fixed plate. An extension plate is fixed to the end of the lower pressure plate, and the rubber block at the bottom of the extension plate is supported on the surface of the fixed plate to stabilize the position of the fixed plate. Since the rubber block is elastic, the position of the fixed plate can still be adjusted after it is stabilized. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0023] Figure 2 It is a bottom view structural schematic diagram of the present invention.

[0024] Figure 3 It is a schematic diagram of the structure of the lower pressing plate of the present invention.

[0025] Figure 4 It is a schematic diagram of the top view of the lower pressing plate of the present invention.

[0026] Figure 5 It is a schematic diagram of the fixing plate structure of the present invention.

[0027] Figure 6 It is a schematic diagram of the cross-sectional structure of the fixing plate of the present invention.

[0028] Figure 7 for Figure 6 A schematic diagram of the enlarged structure in the middle.

[0029] In the figure: fixed plate 1, steel cable 2, air film 3, connecting plate 4, transverse plate 5, screw 6, lower pressure plate 7, extension rod 8, extension plate 9, arc plate 10, screw shaft 11, first rotating shaft 12, slot 13, rubber block 14, winding shaft 15, rectangular slot 16, spring 19, first transverse slot 20, movable plate 21, second rotating shaft 22, circular slot 23, second transverse slot 24. DETAILED DESCRIPTION

[0030] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figures 1 to 7 , the present invention provides a technical solution:

[0032] Embodiment 1: A foundation pit air film installation structure comprises: a fixed plate 1, an air film 3 is arranged at the bottom of the fixed plate 1; a horizontal plate 5, a connecting plate 4 is fixed to the surface of the horizontal plate 5, a lower pressure plate 7 is fixed to the end of the connecting plate 4, an extension rod 8 is arranged on the surface of the lower pressure plate 7, a first rotating shaft 12 is arranged inside the extension rod 8, a rectangular groove 16 is opened on the surface of the fixed plate 1, a rubber block 14 is arranged in the rectangular groove 16; and a second rotating shaft 22 is arranged inside the fixed plate 1, an extension plate 9 is fixed to the end of the lower pressure plate 7, and the rubber block 14 at the bottom of the extension plate 9 is supported on the surface of the fixed plate 1 to stabilize the position of the fixed plate 1. Since the rubber block 14 is elastic, the position of the fixed plate 1 can still be adjusted after it is stabilized.

[0033] Embodiment 2: On the basis of embodiment 1, a screw 6 is screwed on the surface of the cross plate 5, and a steel cable 2 is connected to the surface of the fixed plate 1, and the steel cable 2 is connected to the surface of the fixed plate 1 through the screw. An arc plate 10 is fixed on the surface of the lower pressure plate 7, and an extension plate 9 is fixed to the end of the arc plate 10. A rubber block 14 is arranged at the bottom of the extension plate 9. There are multiple groups of rubber blocks 14, and the rubber blocks 14 are elastic. A winding shaft 15 is arranged at the end of the fixed plate 1, and the winding shaft 15 can rotate at the end of the fixed plate 1. The end of the air film 3 is wound around the surface of the winding shaft 15. After the screw 6 rotates and moves downward, it drives the cross plate 5 to move downward, and the cross plate 5 drives the lower pressure plate 7 to move downward through the connecting plate 4. The fixed plate 1 is provided with multiple groups, and multiple groups of fixed plates 1 are located at the top of the end of the air film 3, and the end of the air film 3 is located at the bottom of the fixed plate 1. The screw 6 is screwed to fix the cross plate 5, and the cross plate 5 is pressed down on the surface of the lower pressure plate 7 through the connecting plate 4, so that the lower pressure plate 7 is pressed down on the surface of the fixed plate 1.

[0034] A slot 13 is provided at the bottom of the lower pressure plate 7, and a first rotating shaft 12 is arranged in the slot 13. The first rotating shaft 12 can rotate in the slot 13. The end of the first rotating shaft 12 is connected to the screw shaft 11. The first rotating shaft 12 rotates along with the screw shaft 11. The surface of the first rotating shaft 12 is provided with teeth. The teeth rotate along with the first rotating shaft 12. The screw shaft 11 drives the first rotating shaft 12 to rotate. The teeth on the surface of the first rotating shaft 12 push the teeth on the surface of the rubber block 14, so that the rubber block 14 moves in the second transverse groove 24 and the first transverse groove 20.

[0035] A rectangular groove 16 is provided on the surface of the fixed plate 1, and a first transverse groove 20 and a second transverse groove 24 are provided inside the rectangular groove 16. A movable plate 21 is inserted in the first transverse groove 20 and the second transverse groove 24, and the movable plate 21 can move transversely in the first transverse groove 20 and the second transverse groove 24. A spring 19 is provided in the first transverse groove 20, and one end of the spring 19 is connected to the end of the first transverse groove 20, and the other end is connected to the end of the movable plate 21, and the spring 19 has a pulling force on the movable plate 21. The surface of the movable plate 21 is provided with teeth. During the rotation of the first rotating shaft 12, the teeth on the surface of the first rotating shaft 12 will contact the teeth on the surface of the movable plate 21, so that the movable plate 21 moves. The bottom of the movable plate 21 is provided with The second rotating shaft 22 is provided with teeth, and a circular groove 23 is opened inside the fixed plate 1. A second rotating shaft 22 is provided in the circular groove 23. The second rotating shaft 22 can rotate in the circular groove 23. The surface of the second rotating shaft 22 is provided with teeth. During the movement of the movable plate 21, the teeth at the bottom of the movable plate 21 will contact the teeth on the surface of the second rotating shaft 22, so that the second rotating shaft 22 rotates. The second rotating shaft 22 is located at the top of the end of the air film 3. The teeth on the surface of the second rotating shaft 22 are made of rubber. The teeth on the surface of the second rotating shaft 22 are held on the surface of the air film 3. The teeth on the surface of the second rotating shaft 22 are held on the end of the air film 3. The end of the air film 3 is tightened, and the screw 6 is screwed again to firmly fix the fixed plate 1.

[0036] The end of the air film 3 is wound around the surface of the winding shaft 15, so that the end of the air film 3 is located at the bottom of the fixed plate 1, and the screw 6 is screwed to fix the cross plate 5. The cross plate 5 is pressed down on the surface of the lower pressing plate 7 through the connecting plate 4, so that the lower pressing plate 7 is pressed down on the surface of the fixed plate 1. The end of the lower pressing plate 7 is fixed with an extension plate 9, and the rubber block 14 at the bottom of the extension plate 9 is supported on the surface of the fixed plate 1 to stabilize the position of the fixed plate 1. Since the rubber block 14 is elastic, the position of the fixed plate 1 can still be adjusted after it is stabilized. The screw shaft 11 is screwed, and the screw shaft 11 drives the first rotating shaft 1 2 is rotated, the teeth on the surface of the first rotating shaft 12 push the teeth on the surface of the rubber block 14, so that the rubber block 14 moves in the second transverse groove 24 and the first transverse groove 20, the spring 19 is stretched, and after the movable plate 21 moves, the teeth at the bottom of the movable plate 21 drive the teeth on the surface of the second rotating shaft 22 to move, the second rotating shaft 22 rotates, and the teeth on the surface of the second rotating shaft 22 are held on the end of the air film 3 to tighten the end of the air film 3. The screw 6 is screwed again to fix the fixed plate 1 firmly, and the end of the air film 3 can be firmly held on the bottom through the second rotating shaft 22.

[0037] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A foundation pit air film installation structure, characterized in that: include: A fixed plate (1), wherein an air film (3) is arranged at the bottom of the fixed plate (1); A horizontal plate (5), a connecting plate (4) is fixed on the surface of the horizontal plate (5), a lower pressing plate (7) is fixed at the end of the connecting plate (4), an extension rod (8) is arranged on the surface of the lower pressing plate (7), a first rotating shaft (12) is arranged inside the extension rod (8), a rectangular groove (16) is opened on the surface of the fixed plate (1), a rubber block (14) is arranged in the rectangular groove (16); and a second rotating shaft (22) is arranged inside the fixed plate (1).

2. A foundation pit air film installation structure according to claim 1, characterized in that: The surface of the transverse plate (5) is screwed with a screw rod (6), the surface of the fixed plate (1) is connected with a steel cable (2), the steel cable (2) is connected to the surface of the fixed plate (1) through the screw rod, the surface of the lower pressure plate (7) is fixed with an arc plate (10), the end of the arc plate (10) is fixed with an extension plate (9), the bottom of the extension plate (9) is provided with a rubber block (14), the rubber block (14) is provided with a plurality of groups, and the rubber block (14) has elasticity.

3. A foundation pit air film installation structure according to claim 2, characterized in that: The bottom of the lower pressure plate (7) is provided with a slot (13), a first rotating shaft (12) is arranged in the slot (13), the first rotating shaft (12) can rotate in the slot (13), the end of the first rotating shaft (12) is connected to the screw shaft (11), the first rotating shaft (12) rotates along with the screw shaft (11), and the surface of the first rotating shaft (12) is provided with teeth, and the teeth rotate along with the first rotating shaft (12).

4. The foundation pit air film installation structure according to claim 3, characterized in that: The surface of the fixed plate (1) is provided with a rectangular groove (16), the interior of the rectangular groove (16) is provided with a first transverse groove (20) and a second transverse groove (24), a movable plate (21) is inserted into the first transverse groove (20) and the second transverse groove (24), the movable plate (21) can move transversely in the first transverse groove (20) and the second transverse groove (24), a spring (19) is provided in the first transverse groove (20), one end of the spring (19) is connected to the end of the first transverse groove (20), and the other end is connected to the end of the movable plate (21), and the spring (19) has a pulling force on the movable plate (21).

5. The foundation pit air film installation structure according to claim 4, characterized in that: The surface of the movable plate (21) is provided with teeth. During the rotation of the first rotating shaft (12), the teeth on the surface of the first rotating shaft (12) will contact the teeth on the surface of the movable plate (21), so that the movable plate (21) moves. The bottom of the movable plate (21) is provided with teeth. A circular groove (23) is provided inside the fixed plate (1). A second rotating shaft (22) is provided in the circular groove (23). The second rotating shaft (22) can rotate in the circular groove (23).

6. The foundation pit air film installation structure according to claim 5, characterized in that: The surface of the second rotating shaft (22) is provided with teeth. During the movement of the movable plate (21), the teeth at the bottom of the movable plate (21) will contact the teeth on the surface of the second rotating shaft (22), so that the second rotating shaft (22) rotates. The second rotating shaft (22) is located at the top of the end of the air film (3). The teeth on the surface of the second rotating shaft (22) are made of rubber material. The teeth on the surface of the second rotating shaft (22) are supported on the surface of the air film (3).

7. The foundation pit air film installation structure according to claim 6, characterized in that: A reel (15) is provided at the end of the fixed plate (1), and the reel (15) can rotate at the end of the fixed plate (1), and the end of the air film (3) is wound around the surface of the reel (15).

8. The foundation pit air film installation structure according to claim 7, characterized in that: The screw rod (6) rotates and moves downward, driving the transverse plate (5) to move downward, and the transverse plate (5) drives the lower pressure plate (7) to move downward through the connecting plate (4).

9. The foundation pit air film installation structure according to claim 8, characterized in that: The fixing plates (1) are provided in multiple groups, and the multiple groups of fixing plates (1) are located at the top of the end of the air membrane (3).

10. A construction method for a foundation pit air film installation structure according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: Stabilize, the end of the air film (3) is wound around the surface of the winding shaft (15), so that the end of the air film (3) is located at the bottom of the fixed plate (1), and the screw (6) is screwed to fix the cross plate (5). The cross plate (5) is pressed down on the surface of the lower pressure plate (7) through the connecting plate (4), so that the lower pressure plate (7) is pressed down on the surface of the fixed plate (1), and the end of the lower pressure plate (7) is fixed with an extension plate (9). The rubber block (14) at the bottom of the extension plate (9) is supported on the surface of the fixed plate (1) to stabilize the position of the fixed plate (1); Step 2: Fixing. Since the rubber block (14) is elastic, the position of the fixed plate (1) can still be adjusted after it is stabilized. The screwing shaft (11) is screwed, and the screwing shaft (11) drives the first rotating shaft (12) to rotate. The teeth on the surface of the first rotating shaft (12) push the teeth on the surface of the rubber block (14), so that the rubber block (14) moves in the second transverse groove (24) and the first transverse groove (20). The spring (19) is stretched. After the movable plate (21) moves, the teeth at the bottom of the movable plate (21) drive the teeth on the surface of the second rotating shaft (22) to move. The second rotating shaft (22) rotates, and the teeth on the surface of the second rotating shaft (22) are held on the end of the air film (3). The end of the air film (3) is tightened. The screw (6) is screwed again to fix the fixed plate (1) firmly, and the end of the air film (3) can be firmly held on the bottom through the second rotating shaft (22).

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