A foundation pit support assembly and a support construction method

Abstract

The application discloses a foundation pit supporting assembly and a supporting construction method, which comprises a bottom plate, one side outer wall of the bottom plate is fixedly connected with a clamping strip, one side of the bottom plate is provided with a butt joint plate, one side outer wall of the butt joint plate is provided with a clamping groove, the bottom plate is clamped with the butt joint plate through the clamping strip, the top of the butt joint plate is provided with a supporting plate, the inside of the butt joint plate is provided with a lifting assembly for adjusting the height of the supporting plate, the outside wall of one side of the supporting plate is provided with equidistantly distributed through holes, and the top outer wall of the bottom plate is fixedly connected with a first rotating seat. The pump body can quickly drain the accumulated water in the shell, ensures the dryness of the side wall of the foundation pit, avoids the side wall of the foundation pit from being seeped, thereby causes the side wall of the foundation pit to be in a long-term damp and soft state, and easily causes the supporting assembly to be in a large-area falling-off state during supporting, and influences the supporting effect of the whole device on the foundation pit.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of foundation pit support, in particular to a foundation pit support assembly and a support construction method. BACKGROUND

[0002] The foundation pit refers to the space below the ground excavated for the construction of the building foundation and basement. During the excavation process, the surrounding soil will inevitably collapse. Foundation pit support is a support and reinforcement method used on the side wall of the foundation pit to prevent soil collapse and ensure the safety of underground structure construction and the surrounding environment.

[0003] The length of the support rod in the existing foundation pit support structure cannot be adjusted according to the width of the foundation pit during use, making it inconvenient to assemble the foundation pit support structure.

[0004] After searching, a foundation pit support structure and a foundation pit support assembly are disclosed in patent publication CN217078766U, which includes a support plate. The outer surface of one side of the support plate is provided with a connecting seat and a support assembly. The support assembly includes a first support rod and a second support rod. A lead screw is installed inside the first support rod and the second support rod. By setting the support assembly, it is convenient to adjust the length of the support assembly according to the different widths of the foundation pit, and the effect of the support plate on the foundation pit support is better. By setting the connecting seat, the column, the movable slot, the fixing bolt, the threaded hole, the through hole, the bottom plate, the bolt, and the mounting hole, the column can not only support the support plates on the four sides of the foundation pit, but also prevent the foundation pit bottom from rising.

[0005] In the process of implementing this solution, it is found that the existing technology has the following problems that have not been well solved: In the existing technology, when supporting the foundation pit, the side wall of the foundation pit will seep water, but the traditional support assembly cannot quickly drain the accumulated water, so that the side wall of the foundation pit is in a long-term damp and soft state, which can easily cause the support assembly to fall off in a large area during support, affecting the support effect of the entire device on the foundation pit, and cannot meet the use requirements of people. Therefore, a foundation pit support assembly and a support construction method are needed to solve the above problems. SUMMARY

[0006] To solve the problems in the related art, the present application provides a foundation pit support assembly and a support construction method to overcome the above technical problems existing in the prior art.

[0007] The technical solution of the present application is as follows:

[0008] A foundation pit support assembly, including a bottom plate, one side of the bottom plate is fixedly connected with a clamping strip, one side of the bottom plate is provided with a butt plate, the butt plate is provided with a clamping groove on the outer wall of one side, the bottom plate is clamped with the butt plate through the clamping strip, the top of the butt plate is provided with a support plate, the inside of the butt plate is provided with a lifting assembly for adjusting the height of the support plate;

[0009] The outer wall of one side of the support plate is provided with through holes distributed at equal distances, the top outer wall of the bottom plate is fixedly connected with a first rotating seat, the first rotating seat is rotatably connected with a rotating head, the circumferential outer wall of the rotating head is fixedly connected with a first connecting plate, the end of the first connecting plate away from the rotating head is provided with a second connecting plate, one end of the second connecting plate is fixedly connected with a positioning plate, the inside of the two groups of through holes is threadedly connected with first fixing bolts, and the positioning plate is fixedly connected on the outer wall of one side of the support plate through the first fixing bolts.

[0010] Further, the top outer wall of the bottom plate is provided with mounting holes, the mounting holes are arranged at the four corners of the bottom plate, and the inside of the mounting holes is inserted with second fixing bolts.

[0011] Further, the outer wall of one side of the first connecting plate is provided with a rectangular groove, the inner wall of one side of the first connecting plate is provided with a threaded hole, the bottom of the second connecting plate is rotatably connected with a first threaded rod, the first threaded rod is threadedly connected with the threaded hole, and the end of the first threaded rod away from the second connecting plate is fixedly connected with a first rotating handle.

[0012] Further, one side of the second connecting plate is provided with a slot, a guide column is inserted in the slot, one end of the guide column is fixedly connected to the top outer wall of the first connecting plate, and the end of the guide column away from the first connecting plate is inserted in the slot.

[0013] Further, the lifting assembly comprises a second threaded rod rotatably connected to the inner wall of one side of the butt plate, the circumferential outer wall of the second threaded rod is engaged with a threaded sleeve, the top outer wall of the threaded sleeve is fixedly connected with a connecting column, the end of the connecting column away from the threaded sleeve is fixedly connected with a second rotating seat, the second rotating seat is rotatably connected with a first movable rod, one side of the first movable rod is provided with a second movable rod, the ends of the first movable rod and the second movable rod away from the second rotating seat are rotatably connected to the bottom outer wall of the support plate, one end of the second threaded rod is fixedly connected with a second rotating handle, one side of the first movable rod is inserted with a rotating shaft, and the first movable rod is rotatably connected with the second movable rod through the rotating shaft.

[0014] Further, the top outer wall of the butt joint plate is provided with a through groove, one end of the connecting column passes through the inside of the through groove, the top of the butt joint plate and the bottom of the support plate are both provided with a positioning groove, the inside of the positioning groove is clamped with a baffle, and the baffle is located on one side of the first movable rod and the second movable rod.

[0015] Further, the side inner wall of the butt joint plate is fixedly connected with a guide rod, the circumferential outer wall of the guide rod is sleeved with a guide block, and the guide block is fixedly connected with the threaded sleeve.

[0016] Further, the side outer wall of the support plate is provided with an arc-shaped groove, the arc-shaped grooves are equidistantly distributed on the side outer wall of the support plate, and the arc-shaped grooves are communicated with the through holes.

[0017] Further, the side outer wall of the support plate is provided with a sealing groove, the inside of the sealing groove is fixedly connected with a sealing ring, the inside of the sealing groove is provided with a sealing cover, the sealing cover is clamped in the inside of the sealing ring, a first connecting pipe is inserted in the side outer wall of the sealing cover, one end of the first connecting pipe is provided with a connecting pipe, a housing is fixedly connected to the side outer wall of the support plate, second connecting pipes equidistantly distributed are inserted in the side outer wall of the housing, the connecting pipe is communicated with the second connecting pipes, an arc-shaped plate is fixedly connected to the side inner wall of the housing, one end of the arc-shaped plate away from the side inner wall of the housing is fixedly connected with a flow slowing plate, the cross section of the flow slowing plate is semicircular, a water pumping pipe is inserted in the bottom outer wall of the housing, a pump body is fixedly connected to the top outer wall of the bottom plate, a drainage pipe is inserted in the side outer wall of the pump body, and the pump body is communicated with the water pumping pipe.

[0018] A foundation pit support assembly construction method, which adopts the foundation pit support assembly and the support construction method described in the above embodiments, comprises the following steps:

[0019] S1. The worker fixes the bottom plate to the bottom of the foundation pit through the second fixing bolt, so as to ensure the stability of the bottom plate after installation, and then realizes the quick combination of the bottom plate and the butt joint plate through the clamping and matching between the clamping strip and the clamping groove. When the butt joint plate and the bottom plate are assembled, the worker can rotate the second rotating handle according to the depth of the foundation pit, the second threaded rod can be driven to rotate through the second rotating handle, the threaded sleeve meshed on the outer wall of the second threaded rod can be driven to move horizontally in the process of rotation of the second threaded rod, so that the height of the support plate can be adjusted by adjusting the included angle between the first movable rod and the second movable rod, and the support plate can be suitable for foundation pits with different depths.

[0020] S2. The first threaded rod can be driven to rotate by the first rotating handle, and the spacing between the second connecting plate and the first connecting plate can be adjusted during rotation of the first threaded rod, thereby adjusting the support center of gravity of the support plate, so that the second connecting plate can provide good support for the support plate, avoiding the situation that the support plate is unstable due to too low or too high center of gravity, and meanwhile the positioning plate at one end of the second connecting plate is locked and fixed with the support plate by the two groups of first fixing bolts.

[0021] S3. When the support plate supports the side wall of the foundation pit, the accumulated water in the side wall can be drained through the arc-shaped groove, and the drained accumulated water can be drained into the sealing cover through the through hole, and the accumulated water in the sealing cover can be transported into the housing through the connecting pipe, and then the staff can start the pump body at regular intervals, and the accumulated water in the housing can be quickly discharged through the pump body, ensuring the dryness of the side wall of the foundation pit and avoiding the seepage of the side wall of the foundation pit.

[0022] The beneficial effects of the present application are:

[0023] The base pit support assembly and support construction method provided by the present application can first fix the bottom plate at the bottom of the foundation pit through the second fixing bolt when the staff needs to support the foundation pit, thereby ensuring the stability of the installed bottom plate, and then the quick combination of the bottom plate and the butt joint plate is realized through the clamping and fitting between the clamping strip and the clamping groove, and when the butt joint plate and the bottom plate are assembled, the staff can rotate the second rotating handle according to the depth of the foundation pit, the second threaded rod can be driven to rotate by the second rotating handle, the threaded sleeve meshed on the outer wall of the second threaded rod can drive the second rotating seat to move horizontally during rotation of the second threaded rod, thereby the height of the support plate can be adjusted by adjusting the included angle between the first movable rod and the second movable rod, so that the support plate can be suitable for foundation pits of different depths, the application range of the base pit support assembly is expanded, and the use requirement of people is met.

[0024] The base pit support assembly and support construction method provided by the present application can first fix the bottom plate at the bottom of the foundation pit through the second fixing bolt when the staff needs to support the foundation pit, thereby ensuring the stability of the installed bottom plate, and then the quick combination of the bottom plate and the butt joint plate is realized through the clamping and fitting between the clamping strip and the clamping groove, and when the butt joint plate and the bottom plate are assembled, the staff can rotate the second rotating handle according to the depth of the foundation pit, the second threaded rod can be driven to rotate by the second rotating handle, the threaded sleeve meshed on the outer wall of the second threaded rod can drive the second rotating seat to move horizontally during rotation of the second threaded rod, thereby the height of the support plate can be adjusted by adjusting the included angle between the first movable rod and the second movable rod, so that the support plate can be suitable for foundation pits of different depths, the application range of the base pit support assembly is expanded, and the use requirement of people is met.

[0025] The application provides a foundation pit supporting assembly and a supporting construction method, through the arc-shaped groove, the through hole, the sealing cover, the sealing ring, the shell and the pump body, when the supporting plate supports the side wall of the foundation pit, the accumulated water in the side wall can be drained through the arc-shaped groove, the drained accumulated water can be drained to the inside of the sealing cover through the through hole, the accumulated water drained to the inside of the sealing cover can be transported to the inside of the shell through the connecting pipe, then the staff member starts the pump body at regular time, the accumulated water collected in the inside of the shell can be quickly discharged through the pump body, the dryness of the side wall of the foundation pit is ensured, the side wall of the foundation pit does not appear water seepage, so that the side wall of the foundation pit is in a damp and soft state for a long time, the supporting assembly appears large-area falling of the side wall when supporting, and the supporting effect of the whole device on the foundation pit is affected. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0027] Figure 1 It is a schematic diagram of the overall back structure of the supporting assembly of the present application.

[0028] Figure 2 It is a schematic diagram of the overall back structure of the supporting assembly of the present application. Figure 1

[0029] Figure 3 It is a schematic diagram of the overall front structure of the supporting assembly of the present application.

[0030] Figure 4 It is a schematic diagram of the overall front structure of the supporting assembly of the present application.

[0031] Figure 5 It is a schematic diagram of the overall front structure of the supporting assembly of the present application. Figure 4

[0032] Figure 6 It is a schematic diagram of the overall front structure of the supporting assembly of the present application.

[0033] Figure 7 It is a schematic diagram of the overall front structure of the supporting assembly of the present application.

[0034] Figure 8 It is a schematic diagram of the overall front structure of the supporting assembly of the present application. Figure 7

[0035] In the figure:

[0036] ​​​1, bottom plate; 2, support plate; 3, pump body; 4, drain pipe; 5, pumping pipe; 6, baffle; 7, shell; 8, positioning plate; 9, first rotating seat; 10, rotating head; 11, first connecting plate; 12, rectangular groove; 13, guide column; 14, first threaded rod; 15, first rotating handle; 16, second connecting plate; 17, first movable rod; 18, second rotating seat; 19, through groove; 20, positioning groove; 21, second rotating handle; 22, butt joint plate; 23, arc-shaped groove; 24, sealing cover; 25, second movable rod; 26, rotating shaft; 27, connecting pipe; 28, sealing ring; 29, first butt joint pipe; 30, sealing groove; 31, through hole; 32, first fixing bolt; 33, second butt joint pipe; 34, arc-shaped plate; 35, slow flow plate; 36, second fixing bolt; 37, connecting column; 38, threaded sleeve; 39, guide rod; 40, second threaded rod; 41, guide block; 42, clamping groove; 43, clamping strip. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0038] Please refer to Figures 1-8 A foundation pit support assembly, comprising a bottom plate 1, the outer wall of one side of the bottom plate 1 is fixedly connected with a clamping strip 43, one side of the bottom plate 1 is provided with a butt joint plate 22, the outer wall of one side of the butt joint plate 22 is provided with a clamping groove 42, the bottom plate 1 is clamped with the butt joint plate 22 through the clamping strip 43, the top of the butt joint plate 22 is provided with a support plate 2, the inside of the butt joint plate 22 is provided with a lifting assembly for adjusting the height of the support plate 2;

[0039] The outer wall of one side of the support plate 2 is provided with through holes 31 distributed at equal distances, the top outer wall of the bottom plate 1 is fixedly connected with a first rotating seat 9, the first rotating seat 9 is rotatably connected with a rotating head 10, the circumferential outer wall of the rotating head 10 is fixedly connected with a first connecting plate 11, the end of the first connecting plate 11 away from the rotating head 10 is provided with a second connecting plate 16, one end of the second connecting plate 16 is fixedly connected with a positioning plate 8, the inside of the two groups of through holes 31 is threadedly connected with first fixing bolts 32, and the positioning plate 8 is fixedly connected to the outer wall of one side of the support plate 2 through the first fixing bolts 32.

[0040] Preferably, the top outer wall of the bottom plate 1 is provided with mounting holes, the mounting holes are arranged at the four corners of the bottom plate 1, and the inside of the mounting holes is inserted with second fixing bolts 36. The stability of the bottom plate 1 after installation can be effectively packaged through the second fixing bolts 36.

[0041] Preferably, the first connecting plate 11 is provided with a rectangular slot 12 on one side of the outer wall, and a threaded hole is formed on the inner wall of the first connecting plate 11. The first threaded rod 14 is rotatably connected to the bottom of the second connecting plate 16. The first threaded rod 14 is threadedly connected to the threaded hole. The first handle 15 is fixedly connected to one end of the first threaded rod 14 away from the second connecting plate 16. After adjusting the height of the support plate 2, the staff can hold and rotate the first handle 15. The first handle 15 can drive the first threaded rod 14 to rotate. The distance between the second connecting plate 16 and the first connecting plate 11 can be adjusted during the rotation of the first threaded rod 14. Thus, the support center of gravity of the support plate 2 can be adjusted. The second connecting plate 16 can provide good support for the support plate 2, avoiding the situation that the support plate 2 is unstable due to too low or too high center of gravity.

[0042] Preferably, the second connecting plate 16 is provided with a slot on one side. The guide column 13 is inserted into the slot. One end of the guide column 13 is fixedly connected to the top outer wall of the first connecting plate 11. The other end of the guide column 13 is inserted into the slot. The sliding of the guide column 13 in the slot can ensure the stability of the second connecting plate 16 during movement.

[0043] Preferably, the lifting assembly comprises a second threaded rod 40 rotatably connected to the inner wall of the butt plate 22. The circumferential outer wall of the second threaded rod 40 is engaged with a threaded sleeve 38. The top outer wall of the threaded sleeve 38 is fixedly connected with a connecting column 37. One end of the connecting column 37 away from the threaded sleeve 38 is fixedly connected with a second rotating seat 18. The second rotating seat 18 is rotatably connected with a first movable rod 17. One side of the first movable rod 17 is provided with a second movable rod 25. One end of the first movable rod 17 and the second movable rod 25 away from the second rotating seat 18 is rotatably connected to the bottom outer wall of the support plate 2. One end of the second threaded rod 40 is fixedly connected with a second handle 21. The first movable rod 17 is inserted with a rotating shaft 26. The first movable rod 17 is rotatably connected with the second movable rod 25 through the rotating shaft 26. The staff can rotate the second handle 21 according to the depth of the foundation pit. The second handle 21 can drive the second threaded rod 40 to rotate. The threaded sleeve 38 engaged with the outer wall of the second threaded rod 40 can drive the second rotating seat 18 to move horizontally during the rotation of the second threaded rod 40. Thus, the height of the support plate 2 can be adjusted by adjusting the included angle between the first movable rod 17 and the second movable rod 25. The support plate 2 can be suitable for foundation pits of different depths, expanding the application range of the foundation pit support assembly and meeting the use requirements of people.

[0044] Preferably, the top outer wall of the docking plate 22 is provided with a through groove 19, one end of the connecting column 37 passes through the inside of the through groove 19, the top of the docking plate 22 and the bottom of the supporting plate 2 are provided with positioning grooves 20, the inside of the positioning groove 20 is clamped with a baffle 6, and the baffle 6 is located on one side of the first movable rod 17 and the second movable rod 25.

[0045] Preferably, the side inner wall of the docking plate 22 is fixedly connected with a guide rod 39, the circumferential outer wall of the guide rod 39 is sleeved with a guide block 41, and the guide block 41 is fixedly connected with the threaded sleeve 38, so that the threaded sleeve 38 can stably move horizontally.

[0046] Preferably, the side outer wall of the supporting plate 2 is provided with arc-shaped grooves 23, the arc-shaped grooves 23 are equidistantly distributed on the side outer wall of the supporting plate 2, and the arc-shaped grooves 23 are communicated with the through holes 31. The arc-shaped grooves 23 can drain the water in the side wall.

[0047] Preferably, the side outer wall of the supporting plate 2 is provided with a sealing groove 30, the inside of the sealing groove 30 is fixedly connected with a sealing ring 28, the inside of the sealing groove 30 is provided with a sealing cover 24, the sealing cover 24 is clamped in the inside of the sealing ring 28, the side outer wall of the sealing cover 24 is inserted with a first connecting pipe 29, one end of the first connecting pipe 29 is provided with a connecting pipe 27, the side outer wall of the supporting plate 2 is fixedly connected with a shell 7, the side outer wall of the shell 7 is inserted with a second connecting pipe 33 which is equidistantly distributed, the connecting pipe 27 is communicated with the second connecting pipe 33, the side inner wall of the shell 7 is fixedly connected with an arc-shaped plate 34, one end of the arc-shaped plate 34 away from the side inner wall of the shell 7 is fixedly connected with a flow slowing plate 35, the cross section of the flow slowing plate 35 is semicircular, the bottom outer wall of the shell 7 is inserted with a water pumping pipe 5, the top outer wall of the bottom plate 1 is fixedly connected with a pump body 3, the side outer wall of the pump body 3 is inserted with a drain pipe 4, the pump body 3 is communicated with the water pumping pipe 5, the drained water can be drained to the inside of the sealing cover 24 through the through hole 31, the water drained to the inside of the sealing cover 24 will be transported to the inside of the shell 7 through the connecting pipe 27, then the staff regularly starts the pump body 3, the water collected in the inside of the shell 7 can be quickly discharged through the pump body 3, which ensures the dryness of the side wall of the foundation pit, avoids the side wall of the foundation pit from being waterlogged, so that the side wall of the foundation pit is in a wet and soft state for a long time, which easily causes the supporting assembly to be largely separated from the side wall during supporting, and affects the supporting effect of the entire device on the foundation pit.

[0048] A foundation pit supporting assembly construction method, comprising the following steps:

[0049] Step one: the staff will be fixed by the second fixed bolt 36 bottom plate 1 in the foundation pit bottom, so as to ensure the stability of the bottom plate 1 after installation, then through the clamping cooperation between the card strip 43 and the card slot 42 to realize the quick combination of the bottom plate 1 and the butt plate 22, when the butt plate 22 and the bottom plate 1 are assembled, the staff can rotate the second handle 21 according to the depth of the foundation pit, the second threaded rod 40 can be driven to rotate through the second handle 21, the threaded sleeve 38 engaged on the outer wall of the second threaded rod 40 can drive the second rotating seat 18 to move horizontally, so as to adjust the angle between the first movable rod 17 and the second movable rod 25 to adjust the height of the supporting plate 2, so that the supporting plate 2 can be suitable for different depth of foundation pit.

[0050] Step two: the first threaded rod 14 can be driven to rotate through the first handle 15, the distance between the second connecting plate 16 and the first connecting plate 11 can be adjusted in the process of rotating the first threaded rod 14, so as to adjust the supporting center of gravity of the supporting plate 2, so that the second connecting plate 16 can play a good supporting role for the supporting plate 2, avoid the situation that the supporting plate 2 is unstable due to the too low or too high center of gravity, at the same time, the positioning plate 8 at one end of the second connecting plate 16 is locked and fixed with the supporting plate 2 through two groups of first fixed bolts 32.

[0051] Step three: when the supporting plate 2 supports the side wall of the foundation pit, the accumulated water in the side wall can be drained through the arc-shaped groove 23, the drained water can be drained to the sealing cover 24 through the through hole 31, the water drained to the sealing cover 24 will be transported to the inside of the shell 7 through the connecting pipe 27, then the staff starts the pump body 3 regularly, the accumulated water in the shell 7 can be quickly discharged through the pump body 3, which ensures the dryness of the side wall of the foundation pit, avoids the side wall of the foundation pit from being seeped.

[0052] In summary, by means of the above technical scheme of the present application, when the staff needs to support the foundation pit, the bottom plate 1 can be first fixed at the bottom of the foundation pit through the second fixing bolt 36, so as to ensure the stability of the bottom plate 1 after installation, and then the quick combination of the bottom plate 1 and the butt plate 22 is realized through the clamping and matching between the clamping strip 43 and the clamping groove 42, when the butt plate 22 and the bottom plate 1 are assembled, the staff can rotate the second handle 21 according to the depth of the foundation pit, the second threaded rod 40 can be driven to rotate through the second handle 21, and the threaded sleeve 38 meshed on the outer wall of the second threaded rod 40 can drive the second rotating seat 18 to move horizontally in the process of rotation of the second threaded rod 40, so that the height of the supporting plate 2 can be adjusted by adjusting the included angle between the first movable rod 17 and the second movable rod 25, so that the supporting plate 2 can be suitable for foundation pits of different depths, the application range of the foundation pit supporting assembly is expanded, and the use requirement of people is met, after the staff completes the height adjustment of the supporting plate 2, the first handle 15 can be held and rotated, the first threaded rod 14 can be driven to rotate through the first handle 15, and the spacing between the second connecting plate 16 and the first connecting plate 11 can be adjusted in the process of rotation of the first threaded rod 14, so that the supporting center of gravity of the supporting plate 2 can be adjusted, so that the second connecting plate 16 can play a good supporting role on the supporting plate 2, avoiding the situation that the supporting plate 2 is unstable due to too low or too high center of gravity, meanwhile, the positioning plate 8 at one end of the second connecting plate 16 is locked and fixed with the supporting plate 2 through the two groups of first fixing bolts 32, so as to ensure the stable connection between the positioning plate 8 and the supporting plate 2, when the supporting plate 2 supports the side wall of the foundation pit, the accumulated water in the side wall can be drained through the arc-shaped groove 23, the drained accumulated water can be drained to the inside of the sealing cover 24 through the through hole 31, the accumulated water drained to the inside of the sealing cover 24 can be conveyed to the inside of the shell 7 through the connecting pipe 27, then the staff starts the pump body 3 in time, the accumulated water collected in the shell 7 can be quickly discharged through the pump body 3, so as to ensure the dryness of the side wall of the foundation pit, avoiding that the side wall of the foundation pit will be permeated with water, so that the side wall of the foundation pit is in a long-term wet and soft state, which easily leads to the situation that a large area of the side wall is separated from the supporting assembly when supporting, affecting the supporting effect of the whole device on the foundation pit.

[0053] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A method of constructing a foundation pit support assembly, characterised in that, It comprises the following steps: S1. The worker fixes the bottom plate (1) at the bottom of the foundation pit through the second fixing bolt (36), so as to ensure the stability of the bottom plate (1) after installation, and then realizes the quick combination of the bottom plate (1) and the butt plate (22) through the clamping cooperation between the clamping strip (43) and the clamping groove (42). When the butt plate (22) and the bottom plate (1) are assembled, the worker rotates the second rotating handle (21) according to the depth of the foundation pit, drives the second threaded rod (40) to rotate through the second rotating handle (21), and drives the second rotating seat (18) to move horizontally in the process of rotating the second threaded rod (40), so as to adjust the included angle between the first movable rod (17) and the second movable rod (25) to adjust the height of the supporting plate (2), so that the supporting plate (2) can be suitable for foundation pits with different depths; S2. The first threaded rod (14) is driven to rotate through the first rotating handle (15), and the distance between the second connecting plate (16) and the first connecting plate (11) is adjusted in the process of rotating the first threaded rod (14), so that the supporting center of gravity of the supporting plate (2) can be adjusted, so that the second connecting plate (16) can play a good supporting role on the supporting plate (2), and the situation that the supporting plate (2) is unstable due to too low or too high center of gravity is avoided. At the same time, the positioning plate (8) at one end of the second connecting plate (16) is locked and fixed with the supporting plate (2) through two groups of first fixing bolts (32); S3. When the supporting plate (2) supports the side wall of the foundation pit, the accumulated water in the side wall is drained through the arc-shaped groove (23), and the drained water is drained into the sealing cover (24) through the through hole (31). The accumulated water in the sealing cover (24) is conveyed into the housing (7) through the connecting pipe (27), and then the worker starts the pump body (3) regularly, and the accumulated water in the housing (7) is quickly discharged through the pump body (3), which ensures the dryness of the side wall of the foundation pit and avoids the seepage of the side wall of the foundation pit; The construction method further comprises a foundation pit supporting assembly, the foundation pit supporting assembly comprises a bottom plate (1), one side outer wall of the bottom plate (1) is fixedly connected with a clamping strip (43), one side of the bottom plate (1) is provided with a butt plate (22), a clamping groove (42) is formed in the outer wall of one side of the butt plate (22), the bottom plate (1) and the butt plate (22) are clamped with each other through the clamping strip (43), the top of the butt plate (22) is provided with a supporting plate (2), and the inside of the butt plate (22) is provided with a lifting assembly for adjusting the height of the supporting plate (2); The side outer wall of the support plate (2) is provided with through holes (31) distributed at equal distances, the top outer wall of the bottom plate (1) is fixedly connected with a first rotating seat (9), the first rotating seat (9) is rotatably connected with a rotating head (10), the circumferential outer wall of the rotating head (10) is fixedly connected with a first connecting plate (11), one end of the first connecting plate (11) away from the rotating head (10) is provided with a second connecting plate (16), one end of the second connecting plate (16) is fixedly connected with a positioning plate (8), the interiors of two groups of the through holes (31) are threadedly connected with first fixing bolts (32), and the positioning plate (8) is fixedly connected on the side outer wall of the support plate (2) through the first fixing bolts (32). The top outer wall of the bottom plate (1) is provided with mounting holes, the mounting holes are arranged at the four corners of the bottom plate (1), and the interiors of the mounting holes are inserted with second fixing bolts (36); The side outer wall of the first connecting plate (11) is provided with a rectangular groove (12), the side inner wall of the first connecting plate (11) is provided with a threaded hole, the bottom of the second connecting plate (16) is rotatably connected with a first threaded rod (14), the first threaded rod (14) is threadedly connected with the threaded hole, and one end of the first threaded rod (14) away from the second connecting plate (16) is fixedly connected with a first rotating handle (15); One side of the second connecting plate (16) is provided with a slot, the interior of the slot is inserted with a guide column (13), one end of the guide column (13) is fixedly connected on the top outer wall of the first connecting plate (11), and the end of the guide column (13) away from the first connecting plate (11) is inserted in the interior of the slot; The lifting assembly comprises a second threaded rod (40) rotatably connected to the side inner wall of the butt joint plate (22), the circumferential outer wall of the second threaded rod (40) is engaged with a threaded sleeve (38), the top outer wall of the threaded sleeve (38) is fixedly connected with a connecting column (37), one end of the connecting column (37) away from the threaded sleeve (38) is fixedly connected with a second rotating seat (18), the second rotating seat (18) is rotatably connected with a first movable rod (17), one side of the first movable rod (17) is provided with a second movable rod (25), one end of the first movable rod (17) and the second movable rod (25) away from the second rotating seat (18) is rotatably connected to the bottom outer wall of the support plate (2), one end of the second threaded rod (40) is fixedly connected with a second rotating handle (21), one side of the first movable rod (17) is inserted with a rotating shaft (26), and the first movable rod (17) is rotatably connected with the second movable rod (25) through the rotating shaft (26).

2. A method of constructing a foundation pit support assembly according to claim 1, characterised in that, The top outer wall of the docking plate (22) is provided with a through groove (19), one end of the connecting column (37) passes through the inside of the through groove (19), the top of the docking plate (22) and the bottom of the supporting plate (2) are provided with positioning grooves (20), the inside of the positioning groove (20) is clamped with a baffle (6), and the baffle (6) is located on one side of the first movable rod (17) and the second movable rod (25).

3. A method of constructing a foundation pit support assembly according to claim 2, wherein, The side inner wall of the docking plate (22) is fixedly connected with a guide rod (39), the circumferential outer wall of the guide rod (39) is sleeved with a guide block (41), and the guide block (41) is fixedly connected with the threaded sleeve (38).

4. A method of constructing a foundation pit support assembly according to claim 3, wherein, The side outer wall of the supporting plate (2) is provided with an arc-shaped groove (23), the arc-shaped grooves (23) are equidistantly distributed on the side outer wall of the supporting plate (2), and the arc-shaped grooves (23) are communicated with the through holes (31).

5. A method of constructing a foundation pit support assembly according to claim 4, wherein, The side outer wall of the supporting plate (2) is provided with a sealing groove (30), the inside of the sealing groove (30) is fixedly connected with a sealing ring (28), the inside of the sealing groove (30) is provided with a sealing cover (24), the sealing cover (24) is clamped in the inside of the sealing ring (28), a first connecting pipe (29) is inserted into the side outer wall of the sealing cover (24), one end of the first connecting pipe (29) is provided with a connecting pipe (27), the side outer wall of the supporting plate (2) is fixedly connected with a shell (7), equidistantly distributed second connecting pipes (33) are inserted into the side outer wall of the shell (7), the connecting pipe (27) is communicated with the second connecting pipe (33), the side inner wall of the shell (7) is fixedly connected with an arc-shaped plate (34), one end of the arc-shaped plate (34) away from the side inner wall of the shell (7) is fixedly connected with a flow slowing plate (35), the cross section of the flow slowing plate (35) is semicircular, the bottom outer wall of the shell (7) is inserted with a water pumping pipe (5), the top outer wall of the bottom plate (1) is fixedly connected with a pump body (3), one side outer wall of the pump body (3) is inserted with a drain pipe (4), and the pump body (3) is communicated with the water pumping pipe (5).

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