Modularized assembly type deep foundation pit dewatering equipment

Abstract

The invention relates to the technical field of building construction, in particular to modular assembly type deep foundation pit dewatering equipment which is characterized in that a hollow round hole is formed in the top of a filter box, an inner rotating ring is rotatably connected to the interior of the hollow round hole, inner frame teeth are fixedly connected to the inner side of the inner rotating ring, and a filter screen disc is clamped to the top of the inner frame teeth; a connecting ring is fixedly connected to the top of the filter screen disc, a fixed outer ring is rotatably connected to the top of the connecting ring, five rotating button covers are mounted at the top of the fixed outer ring, a water passing tank is clamped in the fixed outer ring, a water passing cylinder is fixedly connected to the top of the water passing tank, and a mounting frame plate is fixedly connected to the top of the water passing cylinder; the problems that in the prior art, when the precipitation equipment is transferred or disassembled, parts are prone to being collided and damaged, the assembling process is tedious, and consumed time is long are solved, and through the innovative anti-blocking design and the height adjusting mechanism, the construction efficiency and the practicability of the equipment are remarkably improved.

Description

Technical Field

[0001] The present invention relates to the technical field of building construction, and particularly to a modular prefabricated deep foundation pit dewatering device. Background Art

[0002] The components of the prefabricated dewatering device are detachable and recyclable. After completing a deep foundation pit dewatering project, it can be transported to other projects for reuse, reducing the equipment cost and conforming to the concept of green construction.

[0003] In the prior art, because there are many structures inside the dewatering device, when transferring or disassembling, each component is easily damaged by collision, and the assembly process is cumbersome and time-consuming, which affects the construction efficiency. Moreover, the main structure affected by the device is the filtering structure, and the filter screen is easily blocked after long-term use. Therefore, the present invention provides a modular prefabricated deep foundation pit dewatering device. Summary of the Invention

[0004] The purpose of the present invention is to provide a modular prefabricated deep foundation pit dewatering device to solve the problems raised in the above background art.

[0005] The technical solution of the present invention is: a modular prefabricated deep foundation pit dewatering device, including a dewatering outer shell and a filter box. A hollow round hole is opened at the top of the filter box, and an inner rotating ring is rotatably connected inside the hollow round hole. An inner frame tooth is fixedly connected to the inner side of the inner rotating ring, and a filter mesh disk is clamped at the top of the inner frame tooth. A connecting ring is fixedly connected to the top of the filter mesh disk, and a fixed outer ring is rotatably connected to the top of the connecting ring. Five rotating button covers are installed on the top of the fixed outer ring. A water passing box is clamped inside the fixed outer ring. A water passing cylinder is fixedly connected to the top of the water passing box, and an installation frame plate is fixedly connected to the top of the water passing cylinder. A water pushing motor is installed on the top of the installation frame plate. The output end of the water pushing motor is fixedly connected to a motor threaded shaft. A pushing pressure column is slidably clamped inside the water passing cylinder, and the motor threaded shaft is threadedly connected to the inside of the pushing pressure column. A small gear disk is rotatably connected inside the filter box. An outer gear ring is fixedly connected to the outer side of the inner rotating ring, and the outer gear ring meshes with the small gear disk. Two water passing ports are opened inside the water passing box, one of which is communicated with the water passing cylinder. Water inlet holes are opened on the outer side of the water passing cylinder. Two water passing ports are opened at the bottom of the filter box, and the water passing ports of the water passing box and the filter box correspond to each other. Two fixed insertion cylinders are fixedly connected to the outer side of the dewatering outer shell. A fixed insertion column is slidably clamped inside the fixed insertion cylinder. A rotating motor is fixedly connected to the side of the fixed insertion column. A fixed cylinder is installed on the top of the dewatering outer shell. A rotating pressing block is rotatably connected to the top of the fixed cylinder. The output end of the rotating motor is fixedly connected to a rotating sliding rod. The rotating sliding rod penetrates through the filter box, and the rotating sliding rod is slidably clamped with the small gear disk; during use: by placing the water passing box inside the fixed outer ring, rotating the rotating button cover to fix the water passing box inside the fixed outer ring, and then placing the fixed outer ring inside the hollow round hole to make the filter mesh disk clamped with the inner frame tooth. Two water passing ports are provided, one of which is fixedly connected to the water passing cylinder, which is convenient for the overall removal of the fixed outer ring. By the forward and reverse rotation of the water pushing motor, the motor threaded shaft drives the pushing pressure column to move up and down. By pushing the pushing pressure column inside the water passing cylinder, water is ejected, so that the fine sand and gravel at the bottom of the mesh holes of the filter mesh disk are ejected, preventing the filter mesh disk from being blocked. By driving the rotating sliding rod to rotate by the rotating motor, the small gear disk rotates, the inner rotating ring rotates, the filter mesh disk and the fixed outer ring rotate, and the mesh holes of the filter mesh disk rotate, which is convenient for cleaning. By providing the fixed insertion cylinder and the rotating pressing block, it is convenient to fix the rotating motor.

[0006] Preferably, positioning boxes are fixedly connected to both sides of the precipitation housing. An installation side plate is installed on one side of the positioning box. A support trapezoidal block is slidably clamped inside the positioning box. A support spring is fixedly connected between the support trapezoidal block and the installation side plate. A connecting inner column is fixedly connected to one side of the support trapezoidal block. A connecting outer cylinder is fixedly connected to one side of the installation side plate. A connecting outer ring is fixedly connected to the outer side of the connecting inner column. A connecting inner ring is fixedly connected to the inner side of the connecting outer cylinder. The connecting outer ring is slidably clamped inside the connecting outer cylinder. The connecting inner ring is slidably clamped outside the connecting inner column. Two limit clamping boxes are fixedly connected to the outer side of the precipitation housing. Side insertion plates are fixedly connected to both ends of the installation frame plate. The side insertion plates are slidably clamped inside the limit clamping boxes. A water suction pipe is fixedly connected to the top of the precipitation housing. A water suction pump is fixedly connected to one end of the water suction pipe. A water suction outer pipe is movably sleeved outside the water suction pipe. An adjustment plate is fixedly connected to the outer side of the water suction outer pipe. A synchronous rotating shaft is rotatably connected inside the precipitation housing. An adjustment tooth row is fixedly connected to one side of the adjustment plate. A large gear is fixedly connected to one end of the synchronous rotating shaft. The large gear meshes with the adjustment tooth row. An outer tooth box is fixedly connected to one side of the precipitation housing. A limit side plate is fixedly connected to one side of the precipitation housing. An adjustment threaded shaft is rotatably connected inside the limit side plate. A fixed turning buckle is fixedly connected to the top of the adjustment threaded shaft. A sliding tooth plate is slidably clamped inside the outer tooth box. A small gear is fixedly connected to the end of the synchronous rotating shaft away from the large gear. The small gear meshes with the sliding tooth plate. The adjustment threaded shaft is threadedly connected to the top of the sliding tooth plate; When in use: Through the positioning box and its internal structure, the filter box is placed on the top of the support trapezoidal block. At the same time, multiple support trapezoidal blocks are provided, which can adjust the height of the filter box. By pushing the support trapezoidal block, the support trapezoidal block can be retracted into the positioning box. During disassembly, the installation side plate can be removed and pulled towards the positioning box side, so that the connecting outer cylinder passes through the connecting inner ring and the connecting outer ring, and the support trapezoidal block is pulled back to make the filter box slide off, facilitating movement. By rotating the adjustment threaded shaft, the height of the sliding tooth plate can be adjusted, enabling the small gear and the large gear to rotate synchronously, causing the adjustment plate to move downward, thereby adjusting the height of the bottom of the water suction outer pipe and facilitating the adjustment of the precipitation height.

[0007] The present invention provides a modular prefabricated deep foundation pit precipitation device through improvement. Compared with the prior art, it has the following improvements and advantages: First: For a modular prefabricated deep foundation pit dewatering device of the present invention, by placing a through-water tank inside a fixed outer ring, fixing the through-water tank inside the fixed outer ring by rotating a rotating button cover, then placing the fixed outer ring inside a hollow circular hole, engaging a filter disk with inner frame teeth, setting two water inlets, one water inlet fixedly connected to a water through cylinder, facilitating the overall removal of the fixed outer ring. By the forward and reverse rotation of a water-pushing motor, a motor threaded shaft drives a pushing pressure column to move up and down. By pushing the inside of the water through cylinder with the pushing pressure column, water is ejected, ejecting fine sand and gravel at the bottom of the filter disk mesh holes, preventing blockage of the filter disk. By driving a rotating slide rod to rotate with a rotating motor, a small gear disk rotates, an inner rotating ring rotates, the filter disk and the fixed outer ring rotate, and the mesh holes of the filter disk rotate, facilitating cleaning. By setting a fixed insertion cylinder and a rotating pressing block, it is convenient to fix the rotating motor; Second: For a modular prefabricated deep foundation pit dewatering device of the present invention, through a positioning box and its internal structure, a filter box is placed on the top of a support trapezoidal block. At the same time, multiple support trapezoidal blocks are provided, and the height of the filter box can be adjusted. By pushing the support trapezoidal block, the support trapezoidal block can be retracted into the positioning box. During disassembly, the installation side plate can be removed and pulled towards the positioning box side, so that the connecting outer cylinder passes through the connecting inner ring and the connecting outer ring, pulling the support trapezoidal block back to recycle, and the filter box can slide off, facilitating movement. By rotating an adjustment threaded shaft, the height of a sliding tooth plate can be adjusted, enabling a small gear and a large gear to rotate synchronously, and causing an adjustment plate to move downward, thereby adjusting the height of the bottom of a pumping outer pipe, facilitating the adjustment of the dewatering height; Summary: A modular prefabricated deep foundation pit dewatering device of the present invention not only solves the problems in the prior art that components of dewatering devices are prone to collision damage during transfer or disassembly, the assembly process is cumbersome and time-consuming, but also significantly improves the construction efficiency and the practicality of the device through an innovative anti-blocking design and a height adjustment mechanism. The device adopts a modular design, enabling each component to be easily disassembled and reassembled, greatly reducing the device cost, and at the same time conforming to the concept of green construction. Brief Description of the Drawings

[0008] The following further explains the present invention in conjunction with the drawings and embodiments: Figure 1 is a three-dimensional structural schematic diagram of the present invention; Figure 2 is a structural schematic diagram of the dewatering outer shell of the present invention; Figure 3 is a structural schematic diagram of the filter box of the present invention; Figure 4 is a structural schematic diagram of the fixed outer ring of the present invention; Figure 5 is a structural schematic diagram of the positioning box of the present invention; Figure 6It is a schematic structural diagram of the mounting plate of the present invention; Figure 7 It is a schematic structural diagram of the rotating slide rod of the present invention; Figure 8 It is a schematic structural diagram of the water extraction pipe of the present invention.

[0009] Explanation of reference numerals: 1. Precipitation outer shell; 2. Positioning box; 3. Limit card box; 4. Filter box; 5. Side insertion plate; 6. Mounting plate; 7. Hollow round hole; 8. Small gear disk; 9. Inner rotating ring; 10. Outer gear ring; 11. Inner frame teeth; 12. Filter mesh disk; 13. Connecting ring; 14. Fixed outer ring; 15. Rotating knob cover; 16. Water passing tank; 17. Mounting side plate; 18. Connecting outer cylinder; 19. Connecting inner ring; 20. Connecting inner column; 21. Connecting outer ring; 22. Support spring; 23. Support trapezoidal block; 24. Water pushing motor; 25. Motor threaded shaft; 26. Pushing pressure column; 27. Water passing cylinder; 28. Fixed insertion cylinder; 29. Fixed insertion column; 30. Rotating motor; 31. Rotating slide rod; 32. Fixed cylinder; 33. Rotating pressure block; 34. Water extraction pipe; 35. Water extraction pump; 36. Water extraction outer pipe; 37. Adjusting plate; 38. Adjusting tooth row; 39. Synchronous rotating shaft; 40. Large gear; 41. Outer tooth box; 42. Sliding tooth plate; 43. Small gear; 44. Limit side plate; 45. Fixed rotating buckle; 46. Adjusting threaded shaft. Detailed implementation manners

[0010] The present invention will be described in detail below. The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0011] The present invention provides a modular prefabricated deep foundation pit dewatering device through improvement. The technical solution of the present invention is: Such as Figures 1 - 8As shown in the figure, a modular prefabricated deep foundation pit dewatering device includes a dewatering housing 1 and a filter box 4. A hollow round hole 7 is opened at the top of the filter box 4. An inner rotating ring 9 is rotatably connected inside the hollow round hole 7. An inner frame gear 11 is fixedly connected to the inner side of the inner rotating ring 9. A filter screen plate 12 is clamped at the top of the inner frame gear 11. A connecting ring 13 is fixedly connected to the top of the filter screen plate 12. A fixed outer ring 14 is rotatably connected to the top of the connecting ring 13. Five rotating knob covers 15 are installed on the top of the fixed outer ring 14. A water passing box 16 is clamped inside the fixed outer ring 14. A water passing cylinder 27 is fixedly connected to the top of the water passing box 16. An installation frame plate 6 is fixedly connected to the top of the water passing cylinder 27. A water pushing motor 24 is installed on the top of the installation frame plate 6. The output end of the water pushing motor 24 is fixedly connected to a motor threaded shaft 25. A pushing pressure column 26 is slidably clamped inside the water passing cylinder 27. The motor threaded shaft 25 is threadedly connected to the inside of the pushing pressure column 26. A small gear disk 8 is rotatably connected inside the filter box 4. An outer gear ring 10 is fixedly connected to the outside of the inner rotating ring 9. The outer gear ring 10 meshes with the small gear disk 8. Two water passing ports are opened inside the water passing box 16. One is communicated with the water passing cylinder 27. Water inlet holes are opened on the outside of the water passing cylinder 27. Two water passing ports are opened at the bottom of the filter box 4. The water passing ports of the water passing box 16 and the filter box 4 correspond to each other. Two fixed insertion cylinders 28 are fixedly connected to the outside of the dewatering housing 1. A fixed insertion column 29 is slidably clamped inside the fixed insertion cylinder 28. A rotating motor 30 is fixedly connected to the side of the fixed insertion column 29. A fixed cylinder 32 is installed on the top of the dewatering housing 1. A rotating pressing block 33 is rotatably connected to the top of the fixed cylinder 32. The output end of the rotating motor 30 is fixedly connected to a rotating sliding rod 31. The rotating sliding rod 31 penetrates through the filter box 4, and the rotating sliding rod 31 is slidably clamped with the small gear disk 8. When in use: By placing the water passing box 16 inside the fixed outer ring 14, the water passing box 16 is fixed inside the fixed outer ring 14 by rotating the rotating knob cover 15. Then, the fixed outer ring 14 is placed inside the hollow round hole 7, and the filter screen plate 12 is clamped with the inner frame gear 11. Two water passing ports are provided. One water passing port is fixedly connected to the water passing cylinder 27, which is convenient for the overall removal of the fixed outer ring 14. By the forward and reverse rotation of the water pushing motor 24, the motor threaded shaft 25 drives the pushing pressure column 26 to move up and down. By pushing the inside of the water passing cylinder 27 through the pushing pressure column 26, water is ejected, and the fine sand and gravel at the bottom of the mesh holes of the filter screen plate 12 are ejected, so that the filter screen plate 12 is prevented from being blocked. By driving the rotating sliding rod 31 to rotate through the rotating motor 30, the small gear disk 8 rotates, the inner rotating ring 9 rotates, the filter screen plate 12 and the fixed outer ring 14 rotate, and the mesh holes of the filter screen plate 12 rotate, which is convenient for cleaning. By providing the fixed insertion cylinder 28 and the rotating pressing block 33, it is convenient to fix the rotating motor 30.

[0012] Furthermore, positioning boxes 2 are fixedly connected to both sides of the precipitation outer shell 1. An installation side plate 17 is installed on one side of the positioning box 2. A support trapezoidal block 23 is slidably clamped inside the positioning box 2. A support spring 22 is fixedly connected between the support trapezoidal block 23 and the installation side plate 17. A connecting inner column 20 is fixedly connected to one side of the support trapezoidal block 23. A connecting outer cylinder 18 is fixedly connected to one side of the installation side plate 17. A connecting outer ring 21 is fixedly connected to the outer side of the connecting inner column 20. A connecting inner ring 19 is fixedly connected to the inner side of the connecting outer cylinder 18. The connecting outer ring 21 is slidably clamped inside the connecting outer cylinder 18. The connecting inner ring 19 is slidably clamped outside the connecting inner column 20. Two limit clamping boxes 3 are fixedly connected to the outer side of the precipitation outer shell 1. Side insertion plates 5 are fixedly connected to both ends of the installation frame plate 6. The side insertion plates 5 are slidably clamped inside the limit clamping boxes 3. A water extraction pipe 34 is fixedly connected to the top of the precipitation outer shell 1. A water extraction pump 35 is fixedly connected to one end of the water extraction pipe 34. A water extraction outer pipe 36 is movably sleeved outside the water extraction pipe 34. An adjustment plate 37 is fixedly connected to the outer side of the water extraction outer pipe 36. A synchronous rotating shaft 39 is rotatably connected inside the precipitation outer shell 1. An adjustment tooth row 38 is fixedly connected to one side of the adjustment plate 37. A large gear 40 is fixedly connected to one end of the synchronous rotating shaft 39. The large gear 40 meshes with the adjustment tooth row 38. An outer tooth box 41 is fixedly connected to one side of the precipitation outer shell 1. A limit side plate 44 is fixedly connected to one side of the precipitation outer shell 1. An adjustment threaded shaft 46 is rotatably connected inside the limit side plate 44. A fixed turning buckle 45 is fixedly connected to the top of the adjustment threaded shaft 46. A sliding tooth plate 42 is slidably clamped inside the outer tooth box 41. A small gear 43 is fixedly connected to the end of the synchronous rotating shaft 39 away from the large gear 40. The small gear 43 meshes with the sliding tooth plate 42. The adjustment threaded shaft 46 is threadedly connected to the top of the sliding tooth plate 42; When in use: Through the positioning box 2 and the internal structure, the filter box 4 is placed on the top of the support trapezoidal block 23. At the same time, multiple support trapezoidal blocks 23 are provided, which can adjust the height of the filter box 4. By pushing the support trapezoidal block 23, the support trapezoidal block 23 can be contracted into the positioning box 2. When disassembling, the installation side plate 17 can be removed and pulled towards the positioning box 2 side, so that the connecting outer cylinder 18 passes through the connecting inner ring 19 and the connecting outer ring 21, and the support trapezoidal block 23 is pulled back to make the filter box 4 slide off, which is convenient for movement. By rotating the adjustment threaded shaft 46, the height of the sliding tooth plate 42 can be adjusted, so that the small gear 43 and the large gear 40 rotate synchronously, and the adjustment plate 37 moves downward, thereby adjusting the height of the bottom of the water extraction outer pipe 36 and facilitating the adjustment of the precipitation height.

[0013] Working principle: By placing the water - passing tank 16 inside the fixed outer ring 14, fixing the water - passing tank 16 inside the fixed outer ring 14 by rotating the rotating knob cover 15, then placing the fixed outer ring 14 inside the hollow round hole 7, engaging the filter disk 12 with the inner rack teeth 11, setting two water - passing ports, one water - passing port is fixedly connected to the water - passing cylinder 27, which facilitates the overall removal of the fixed outer ring 14. By the forward and reverse rotation of the water - pushing motor 24, the motor threaded shaft 25 drives the pushing pressure column 26 to move up and down. By the pushing pressure column 26 pushing inside the water - passing cylinder 27, water is ejected, so that the fine sand at the bottom of the mesh holes of the filter disk 12 is ejected, preventing the filter disk 12 from being blocked. By the rotation motor 30 driving the rotation slide bar 31 to rotate, the small gear disk 8 rotates, the inner rotating ring 9 rotates, the filter disk 12 and the fixed outer ring 14 rotate, and the mesh holes of the filter disk 12 rotate, which is convenient for cleaning. By setting the fixed insertion cylinder 28 and the rotating pressing block 33, it is convenient to fix the rotation motor 30. Through the positioning box 2 and its internal structure, the filter box 4 is placed on the top of the supporting trapezoidal block 23. At the same time, multiple supporting trapezoidal blocks 23 are set, which can adjust the height of the filter box 4. By pushing the supporting trapezoidal block 23, the supporting trapezoidal block 23 can be retracted into the internal part of the positioning box 2. When disassembling, the installation side plate 17 can be removed and pulled towards the positioning box 2 side, so that the connecting outer cylinder 18 passes through the connecting inner ring 19 and the connecting outer ring 21, pulling the supporting trapezoidal block 23 to retract, and the filter box 4 can slide off, which is convenient for moving. By rotating the adjustment threaded shaft 46, the height of the sliding tooth plate 42 can be adjusted, enabling the small gear 43 to rotate synchronously with the large gear 40, and the adjustment plate 37 to move downward, thereby adjusting the height of the bottom of the water - pumping outer tube 36, which is convenient for adjusting the precipitation height.

[0014] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but rather will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A modular assembled deep foundation pit dewatering device, comprising a dewatering housing (1) and a filter box (4), characterized in that: The top of the filter box (4) is provided with a hollow circular hole (7), the interior of the hollow circular hole (7) is rotatably connected to an inner rotating ring (9), the inner side of the inner rotating ring (9) is fixedly connected to an inner frame tooth (11), the top of the inner frame tooth (11) is clamped with a filter disc (12), the top of the filter disc (12) is fixedly connected to a connecting ring (13), the top of the connecting ring (13) is rotatably connected to a fixed outer ring (14), the top of the fixed outer ring (14) is equipped with five rotating knob covers (15), the fixed outer ring A water box (16) is clamped inside (14), a water box (16) is fixedly connected to the top of the water box (16), a mounting frame (6) is fixedly connected to the top of the water frame (27), a water push motor (24) is mounted on the top of the mounting frame (6), a motor threaded shaft (25) is fixedly connected to the output end of the water push motor (24), a pushing column (26) is slidably clamped inside the water frame (27), and the motor threaded shaft (25) is threadedly connected to the inside of the pushing column (26).

2. The modular assembled deep foundation pit dewatering equipment according to claim 1 is characterized by: The filter box (4) is rotatably connected to a small toothed disc (8) inside, the outer side of the inner rotating ring (9) is fixedly connected to an outer toothed ring (10), the outer toothed ring (10) and the small toothed disc (8) are meshed with each other, the water passage box (16) is provided with two water openings inside, one of which is connected to a water passage cylinder (27), the outer side of the water passage cylinder (27) is provided with a water inlet hole, the bottom of the filter box (4) is provided with two water openings, the water passage box (16) and the water openings of the filter box (4) correspond to each other.

3. The modular assembled deep foundation pit dewatering equipment according to claim 2 is characterized by: Two fixed plugs (28) are fixedly connected to the outside of the precipitation housing (1), a fixed plug post (29) is slidably engaged with the inside of the fixed plug post (28), a rotating motor (30) is fixedly connected to the side of the fixed plug post (29), a fixed cylinder (32) is installed on the top of the precipitation housing (1), a rotating pressure block (33) is rotatably connected to the top of the fixed cylinder (32), a rotating slide rod (31) is fixedly connected to the output end of the rotating motor (30), the rotating slide rod (31) passes through the filter box (4), and the rotating slide rod (31) is slidably engaged with the small toothed disc (8).

4. The modular assembled deep foundation pit dewatering equipment according to claim 3 is characterized by: Positioning boxes (2) are fixedly connected to both sides of the precipitation housing (1); a mounting side plate (17) is installed on one side of the positioning box (2); a supporting trapezoidal block (23) is slidably engaged inside the positioning box (2); a supporting spring (22) is fixedly connected between the supporting trapezoidal block (23) and the mounting side plate (17); a connecting inner column (20) is fixedly connected to one side of the supporting trapezoidal block (23); a connecting outer cylinder (18) is fixedly connected to one side of the mounting side plate (17); a connecting outer ring (21) is fixedly connected to the outer side of the connecting inner column (20); a connecting inner ring (19) is fixedly connected to the inner side of the connecting outer cylinder (18); the connecting outer ring (21) is slidably engaged to the inner side of the connecting outer cylinder (18); and the connecting inner ring (19) is slidably engaged to the outer side of the connecting inner column (20).

5. The modular assembled deep foundation pit dewatering equipment according to claim 4 is characterized by: Two limit card boxes (3) are fixedly connected to the outside of the precipitation housing (1), and side plug boards (5) are fixedly connected to both ends of the mounting frame plate (6), and the side plug boards (5) are slidably engaged with the inside of the limit card boxes (3).

6. The modular assembled deep foundation pit dewatering equipment according to claim 5 is characterized by: A water pumping pipe (34) is fixedly connected to the top of the precipitation housing (1), one end of the water pumping pipe (34) is fixedly connected to a water pump (35), an outer water pumping pipe (36) is movably sleeved on the outside of the water pumping pipe (34), an adjustment plate (37) is fixedly connected to the outside of the outer water pumping pipe (36), the interior of the precipitation housing (1) is rotatably connected to a synchronous rotating shaft (39), one side of the adjustment plate (37) is fixedly connected to an adjustment gear row (38), one end of the synchronous rotating shaft (39) is fixedly connected to a large gear (40), and the large gear (40) is meshed with the adjustment gear row (38).

7. The modular assembled deep foundation pit dewatering equipment according to claim 6 is characterized by: One side of the precipitation housing (1) is fixedly connected to an external gear box (41), one side of the precipitation housing (1) is fixedly connected to a limit side plate (44), an adjusting threaded shaft (46) is rotatably connected inside the limit side plate (44), a fixed turn buckle (45) is fixedly connected to the top of the adjusting threaded shaft (46), a sliding tooth plate (42) is slidably engaged inside the external gear box (41), an end of the synchronous rotating shaft (39) away from the large gear (40) is fixedly connected to a pinion (43), the pinion (43) meshes with the sliding tooth plate (42), and the adjusting threaded shaft (46) is threadedly connected to the top of the sliding tooth plate (42).

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