CN223256037U

CN223256037U - Deep foundation pit drainage processing apparatus that falls

Info

Publication number: CN223256037U
Application number: CN202422518008.9U
Authority: CN
Inventors: 邢彩林; 韩宇晴; 沈广胜
Original assignee: Jiangsu Kaixiang Construction Group Co ltd
Current assignee: Jiangsu Kaixiang Construction Group Co ltd
Priority date: 2024-10-17
Filing date: 2024-10-17
Publication date: 2025-08-22
Anticipated expiration: 2034-10-17

Abstract

The application relates to the technical field of foundation pit drainage, in particular to a deep foundation pit drainage lowering treatment device, which comprises a mounting frame erected on a deep foundation pit, wherein a mounting rod is arranged on the mounting frame, one end of the mounting rod, which is far away from the mounting frame, is provided with a cylinder body, a water pumping assembly for pumping accumulated water in the deep foundation pit is arranged on the cylinder body and the mounting frame together, a filtering mechanism for filtering the pumped accumulated water is arranged in the cylinder body, and a cleaning assembly for preventing the filtering mechanism from being blocked is also arranged in the cylinder body. The application is beneficial to improving the suction efficiency of the accumulated water in the deep foundation pit, thereby being beneficial to improving the treatment effect of the accumulated water in the deep foundation pit.

Description

Deep foundation pit drainage processing apparatus that falls

Technical Field

The application relates to the technical field of foundation pit drainage, in particular to a deep foundation pit drainage lowering treatment device.

Background

Deep foundation pit refers to a project where the depth of excavation is more than 5 meters, or where the depth is not more than 5 meters, but where geological conditions and surrounding environment and underground piping are particularly complex. Because the deep foundation pit is extremely easy to store accumulated water under the influence of rainwater weather or other factors, construction is influenced, and therefore the accumulated water stored in the deep foundation pit needs to be pumped out by using a pumping device.

The existing pumping device generally comprises a water pump, a water pumping pipe and a filter screen barrel, wherein the water pump is fixedly communicated with the water pumping pipe, and the filter screen barrel is covered on the periphery of a water inlet of the water pump, so that accumulated water pumped by the water pump is filtered, and blockage of the water pump is prevented.

However, because the deep foundation pit is basically in an open-air state, external sundries easily fall into the deep foundation pit, so that in the water pumping process of the water pumping pump, sundries in the deep foundation pit can move towards the water inlet of the water pumping pump along with the flow of the accumulated water and are adsorbed on the periphery of the filter screen cylinder, the suction efficiency of the accumulated water in the deep foundation pit is easily affected, and the treatment effect of the accumulated water in the deep foundation pit can be affected.

Disclosure of utility model

The application provides a deep foundation pit dewatering and drainage treatment device, which aims to improve the suction efficiency of accumulated water in a deep foundation pit and further improve the treatment effect of the accumulated water in the deep foundation pit.

The application provides a deep foundation pit drainage treatment device, which adopts the following technical scheme:

The utility model provides a drainage processing apparatus falls in deep basal pit, includes the mounting bracket of setting up on the deep basal pit, be provided with the installation pole on the mounting bracket, the installation pole is kept away from the one end of mounting bracket is provided with the barrel, the barrel with be provided with on the mounting bracket jointly and be used for carrying out the pumping subassembly of sucking to the ponding of deep basal pit inside, the barrel is inside to be provided with and to be used for carrying out filterable filter unit to the ponding of being sucked, the barrel is inside still to be provided with and to be used for preventing filter unit blocks up's clearance subassembly.

Through adopting above-mentioned technical scheme, utilize pumping subassembly to help sucking to the ponding of deep basal pit inside, utilize filtering mechanism to help filtering by the ponding of suction at the in-process of sucking, utilize the clearance subassembly to help clearing up filtering mechanism to help avoiding the debris in the ponding to the greatest extent to cause filtering mechanism's jam, and then help improving the suction filtration efficiency to ponding in the deep basal pit, help promoting the treatment effect to ponding in the deep basal pit.

In a specific implementation manner, the water pumping assembly comprises a water pumping pump, a water pumping pipe, a water conveying pipe and a water discharging pipe, wherein the water pumping pump is fixedly arranged on the mounting frame, the water discharging pipe is fixedly communicated with the water pumping pump, one end of the water conveying pipe is connected with the water pumping pump, the other end of the water conveying pipe is connected with the barrel, one end of the water pumping pipe is connected with the barrel, and the other end of the water pumping pipe is inserted into the deep foundation pit.

Through adopting above-mentioned technical scheme, utilize the suction pump to help sucking through suction pipe and raceway to ponding in the deep basal pit to drain the ponding of taking out to the settlement position through the drain pipe.

In a specific implementation manner, the filtering mechanism comprises a rotary cylinder, the rotary cylinder is arranged on the inner top wall of the cylinder body, a rotary mounting plate is arranged at the output end of the rotary cylinder, a partition plate is fixedly arranged inside the cylinder body, the partition plate is positioned at one side of the rotary mounting plate, which is away from the rotary cylinder, the water pumping pipe and the water delivery pipe are both positioned between the partition plate and the rotary mounting plate, the partition plate divides the inside of the cylinder body into a filtering cavity and a slag storage cavity, the filtering cavity is positioned between the partition plate and the rotary mounting plate, the slag storage cavity is positioned at one side of the partition plate, which is away from the rotary mounting plate, and at least two groups of filtering components are arranged inside the filtering cavity.

Through adopting above-mentioned technical scheme, when sucking the ponding in the deep basal pit, utilize two sets of filter components to help carrying out filtration to the ponding that is sucked in turn, after a set of filter components use the settlement time, utilize revolving cylinder to drive the rotation mounting panel and rotate, thereby help making the position of two sets of filter components exchange, and then help utilizing another set of filter components to continue to carry out filtration to the ponding, utilize the clearance subassembly to help carrying out the clearance to used filter components simultaneously, so cyclic operation, help avoiding the debris in the ponding to cause filter components's jam as far as possible, thereby help improving the suction filtration efficiency to ponding in the deep basal pit, and then help promoting the treatment effect to ponding in the deep basal pit.

In a specific implementation manner, each group of filtering components comprises a mounting cylinder, a filter screen cylinder, a first communicating piece and a second communicating piece, wherein the mounting cylinders are fixedly arranged on the rotating mounting plate, the mounting cylinders are far away from one ends of the rotating mounting plate and are abutted against and attached to the partition plates, the filter screen cylinders are fixedly arranged in the mounting cylinders, the first communicating pieces and the second communicating pieces are arranged on the outer walls of the mounting cylinders and are communicated with the inside of the mounting cylinders, and the first communicating pieces are used for communicating the water pumping pipes with the mounting cylinders, and the second communicating pieces are used for communicating the water conveying pipes with the mounting cylinders.

Through adopting above-mentioned technical scheme, when sucking ponding in the deep basal pit, the ponding of drinking-water pipe suction gets into inside the installation section of thick bamboo through first connecting piece, helps carrying out filtration treatment to ponding under the combined action of installation section of thick bamboo and clearance subassembly to help making in the ponding after filtration treatment gets into the raceway through the second connecting piece, make things convenient for the suction pump to take out ponding.

In a specific embodiment, a sealing gasket ring is arranged at the end of the mounting cylinder away from the rotary mounting plate, and is used for sealing the gap between the mounting cylinder and the partition plate.

By adopting the technical scheme, the sealing gasket ring is used for plugging the gap between the mounting cylinder and the partition plate, so that accumulated water can be prevented from flowing out of the gap between the mounting cylinder and the partition plate into the cylinder body.

In a specific implementation manner, the cleaning assembly comprises a telescopic spring and a cleaning ring, the cleaning ring is movably sleeved on the circumferential periphery of the filter screen cylinder, the circumferential outer wall of the cleaning ring is in sliding fit with the circumferential inner wall of the mounting cylinder, the telescopic spring is sleeved on the circumferential periphery of the filter screen cylinder, one end of the telescopic spring is connected with the cleaning ring, the other end of the telescopic spring is connected with the inner wall of the mounting cylinder, a slag drop port is arranged on the partition plate in a penetrating manner, and the inner diameter of the slag drop port is identical with that of the mounting cylinder.

By adopting the technical scheme, when the mounting cylinder is communicated with the water suction pipe and the water delivery pipe, the cleaning ring moves towards the water flow direction and extrudes the telescopic spring under the action of water flow, when the mounting cylinder is not communicated with the water suction pipe and the water delivery pipe, the telescopic spring pushes the cleaning ring under the action of self elastic force, so that the cleaning ring slides along the axial outer wall of the filter screen cylinder, the cleaning ring is used for cleaning sundries attached to the outer wall of the filter screen cylinder, sundries and residual accumulated water fall into the slag storage cavity through the slag drop port, the filter screen cylinder is prevented from being blocked by sundries in the accumulated water as much as possible, the suction and filtration efficiency of the accumulated water in a deep foundation pit is improved, and the treatment effect of the accumulated water in the deep foundation pit is improved.

In a specific implementation manner, a guide rod is arranged on the outer side wall of the filter screen cylinder, the guide rod is arranged along the axial direction of the filter screen cylinder, and a clamping groove for clamping the guide rod is formed in the inner side wall of the cleaning ring.

Through adopting above-mentioned technical scheme, utilize the guide arm to help leading the removal route of clearance ring to help promoting the clearance effect of clearance ring to attached debris on the filter screen section of thick bamboo outer wall.

In a specific implementation mode, the mounting frame is provided with a slag pump, the slag pump is provided with a slag discharging pipe and a slag discharging pipe, and one end, far away from the slag pump, of the slag discharging pipe is connected with the cylinder and is communicated with the slag storage cavity.

Through adopting above-mentioned technical scheme, utilize the sediment pump to help sucking through the sediment pipe of taking out to the debris that stores up sediment intracavity portion to discharge the debris of taking out to the settlement position through the sediment pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

1. According to the application, through the arrangement of the filtering mechanism and the cleaning component, the filtering mechanism is beneficial to filtering the sucked water in the sucking process, and the cleaning component is beneficial to cleaning the filtering mechanism, so that the blocking of the filtering mechanism caused by sundries in the water is avoided as much as possible, the sucking and filtering efficiency of the water in the deep foundation pit is improved, and the treatment effect of the water in the deep foundation pit is improved.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a cross-sectional view showing the internal structure of the deep foundation pit.

FIG. 3 is a cross-sectional view showing a specific construction of the filter mechanism and the cleaning assembly.

FIG. 4 is a schematic diagram showing the connection of the purge ring and the filter cartridge.

The reference numerals are 1, a mounting frame, 2, a mounting rod, 3, a cylinder, 4, a pumping assembly, 41, a pumping pump, 42, a pumping pipe, 43, a water pipe, 44, a water pipe, 5, a cleaning assembly, 51, a telescopic spring, 52, a cleaning ring, 6, a rotary cylinder, 7, a rotary mounting plate, 8, a partition plate, 9, a filtering assembly, 91, a mounting cylinder, 92, a filter screen cylinder, 93, a first communicating piece, 94, a second communicating piece, 10, a filter cavity, 11, a slag storage cavity, 12, a sealing gasket ring, 13, a guide rod, 14, a clamping groove, 15, a slag pump, 16, a slag pipe, 17, a slag pumping pipe, 18 and a slag outlet.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings.

The embodiment of the application discloses a deep foundation pit water lowering and draining treatment device, which comprises a mounting frame 1, wherein the mounting frame 1 is fixedly arranged above a deep foundation pit, and referring to fig. 1 and 2. The mounting rack 1 is fixedly provided with a vertically arranged mounting rod 2, the bottom end of the mounting rod 2 is inserted into a deep foundation pit, and the bottom end of the mounting rod 2 is fixedly connected with a cylinder body 3. The barrel 3 and the mounting frame 1 are provided with the water pumping assembly 4 together, the water pumping assembly 4 comprises a water pumping pump 41, a water pumping pipe 42, a water conveying pipe 43 and a water discharging pipe 44, the water pumping pump 41 is fixedly mounted on the top surface of the mounting frame 1, one end of the water pumping pipe 42 is fixedly communicated with the barrel 3, the other end of the water pumping pipe 43 is inserted into accumulated water in a deep foundation pit, one end of the water conveying pipe is fixedly communicated with the barrel 3, the other end of the water conveying pipe is fixedly communicated with the water pumping pump 41, and one end of the water discharging pipe 44 is fixedly communicated with the water pumping pump 41.

Referring to fig. 2 and 3, a filtering mechanism is arranged inside the cylinder 3, the filtering mechanism comprises a rotary cylinder 6 fixedly installed on the inner top wall of the cylinder 3, a rotary mounting plate 7 is fixedly installed at the output end of the rotary cylinder 6, and the circumferential side wall of the rotary mounting plate 7 is attached to the circumferential inner wall of the cylinder 3. The cylinder 3 is internally and fixedly provided with a division plate 8, the division plate 8 and the rotary mounting plate 7 are arranged at intervals and are positioned below the rotary mounting plate 7, the division plate 8 divides the interior of the cylinder 3 into a filter cavity 10 and a slag storage cavity 11, the filter cavity 10 is positioned between the division plate 8 and the rotary mounting plate 7, the slag storage cavity 11 is positioned below the division plate 8, and a water pumping pipe 42 and a water conveying pipe 43 are both communicated with the filter cavity 10. The filter mechanism further comprises at least two sets of filter assemblies 9, in this embodiment, the filter assemblies 9 are two sets, and the two sets of filter assemblies 9 are all disposed on the bottom surface of the rotation mounting plate 7.

Referring to fig. 3, each group of filter assemblies 9 includes a mounting cylinder 91, a filter screen cylinder 92, a first communicating member 93 and a second communicating member 94, the mounting cylinder 91 is fixedly mounted on the bottom surface of the rotary mounting plate 7, the bottom end of the mounting cylinder 91 is fixed with a sealing gasket 12, and the sealing gasket 12 abuts against the top surface of the partition plate 8, and the filter screen cylinder 92 is fixedly mounted in the mounting cylinder 91 and coaxially arranged with the mounting cylinder 91. The first communicating member 93 and the second communicating member 94 are both fixedly communicated with the mounting cylinder 91, and outer side walls of the first communicating member 93 and the second communicating member 94 are both attached to an inner wall of the cylinder 3.

Referring to fig. 3 and 4, the cleaning assembly 5 is disposed inside each mounting cylinder 91, the cleaning assembly 5 includes a telescopic spring 51 and a cleaning ring 52, the cleaning ring 52 is sleeved on the circumferential outer wall of the filter screen cylinder 92 in a lifting manner, the circumferential outer wall of the cleaning ring 52 is in sliding fit with the circumferential inner wall of the mounting cylinder 91, a plurality of guide rods 13 are axially fixed on the axial outer wall of the filter screen cylinder 92, a plurality of clamping grooves 14 are formed in the inner side wall of the cleaning ring 52, and each guide rod 13 is in sliding clamping connection with one clamping groove 14. The telescopic spring 51 is fixedly sleeved on the circumferential periphery of the filter screen barrel 92, the bottom end of the telescopic spring 51 is fixedly connected with the top surface of the cleaning ring 52, and the top end of the telescopic spring is fixedly connected with the inner top wall of the mounting barrel 91. The separator plate 8 is provided with a slag drop port 18, and the inner diameter of the slag drop port 18 is the same as the inner diameter of the mounting cylinder 91.

Referring to fig. 2 and 3, when the water in the deep pit is pumped, the water pump 41 is started, and the water pump 41 pumps the water in the deep pit through the water pipe 42 and the water pipe 43. After the accumulated water is pumped into the water pumping pipe 42, the accumulated water enters the installation cylinder 91 through the first communicating piece 93, and under the blocking action of the cleaning ring 52, the accumulated water entering the installation cylinder 91 passes through the filter screen cylinder 92 and then enters the water pumping pipe 43 through the second communicating piece 94. When the accumulated water enters the inside of the installation cylinder 91, the cleaning ring 52 slides upward under the action of the water flow and presses the expansion spring 51. In the process that the accumulated water passes through the filter screen cylinder 92, the filter screen cylinder 92 filters and intercepts impurities in the accumulated water, so that the impurities are attached to the outer surface of the filter screen cylinder 92.

Referring to fig. 2 and 3, after the accumulated water in the deep foundation pit is pumped for a period of time, the rotary cylinder 6 is started to drive the rotary mounting plate 7 to rotate 180 degrees, so that the two groups of filter assemblies 9 are driven to rotate 180 degrees, and the positions of the two groups of filter assemblies 9 are exchanged, so that the water pumping pipe 42 and the water conveying pipe 43 are communicated with the other mounting cylinder 91, and the pumped accumulated water is filtered by utilizing the inside and structure of the other mounting cylinder 91. Meanwhile, one mounting cylinder 91 which is not communicated with the water suction pipe 42 and the water conveying pipe 43 rotates to the upper part of the slag notch 18, so that residual accumulated water in the mounting cylinder 91 falls into the slag storage cavity 11 through the slag notch 18, the telescopic spring 51 pushes the cleaning ring 52 to move downwards under the action of self elastic force, so that the cleaning ring 52 slides along the axial outer wall of the filter screen cylinder 92, cleaning of impurities attached to the outer wall of the filter screen cylinder 92 by the cleaning ring 52 is facilitated, impurities falling from the surface of the filter screen cylinder 92 fall into the slag storage cavity 11 for storage, blockage of the filter screen cylinder 92 caused by impurities in accumulated water is facilitated to be avoided as much as possible, suction and filtration efficiency of accumulated water in a deep foundation pit is improved, and further the effect of treating accumulated water in the deep foundation pit is improved.

Referring to fig. 1 and 3, a slag pump 15 is fixedly installed on the top surface of the mounting frame 1, a slag pumping pipe 17 is fixedly communicated with the slag pump 15, one end, far away from the slag pump 15, of the slag pumping pipe 17 is fixedly communicated with the slag storage cavity 11, and a slag discharging pipe 16 is fixedly communicated with the slag pump 15. After the cleaning of the impurities on the surface of the filter screen cylinder 92 is completed, an operator starts the slag pump 15, sucks the impurities stored in the slag storage cavity 11 through the slag suction pipe 17, and discharges the sucked impurities to a set position through the slag discharge pipe 16.

The embodiment of the application has the implementation principle that when the accumulated water in the deep foundation pit is pumped, the water suction pump 41 is started, and the water suction pump 41 pumps the accumulated water in the deep foundation pit through the water suction pipe 42 and the water delivery pipe 43. After the accumulated water is pumped into the water pumping pipe 42, the accumulated water enters the installation cylinder 91 through the first communicating piece 93, passes through the filter screen cylinder 92 under the blocking action of the cleaning ring 52, enters the water pumping pipe 43 through the second communicating piece 94, and is discharged to a set position through the water discharging pipe 44 under the action of the water pumping pump 41. When the accumulated water enters the inside of the installation cylinder 91, the cleaning ring 52 slides upward under the action of the water flow and presses the expansion spring 51. In the process that the accumulated water passes through the filter screen cylinder 92, the filter screen cylinder 92 filters and intercepts impurities in the accumulated water, so that the impurities are attached to the outer surface of the filter screen cylinder 92.

When the accumulated water in the deep foundation pit is pumped for a period of time, the rotary air cylinder 6 is started, the rotary mounting plate 7 is driven to rotate 180 degrees, and the two groups of filter assemblies 9 are driven to rotate 180 degrees, so that the positions of the two groups of filter assemblies 9 are exchanged, the water pumping pipe 42 and the water conveying pipe 43 are communicated with the other mounting cylinder 91, and the pumped accumulated water can be filtered by utilizing the inside and structure of the other mounting cylinder 91. Meanwhile, one mounting cylinder 91 which is not communicated with the water suction pipe 42 and the water conveying pipe 43 rotates to the upper part of the slag notch 18, so that residual accumulated water in the mounting cylinder 91 falls into the slag storage cavity 11 through the slag notch 18, the telescopic spring 51 pushes the cleaning ring 52 to move downwards under the action of self elastic force, so that the cleaning ring 52 slides along the axial outer wall of the filter screen cylinder 92, cleaning of impurities attached to the outer wall of the filter screen cylinder 92 by the cleaning ring 52 is facilitated, impurities falling from the surface of the filter screen cylinder 92 fall into the slag storage cavity 11 for storage, blockage of the filter screen cylinder 92 caused by impurities in accumulated water is facilitated to be avoided as much as possible, suction and filtration efficiency of accumulated water in a deep foundation pit is improved, and further the effect of treating accumulated water in the deep foundation pit is improved.

After the cleaning of the impurities on the surface of the filter screen cylinder 92 is completed, an operator starts the slag pump 15, sucks the impurities stored in the slag storage cavity 11 through the slag suction pipe 17, and discharges the sucked impurities to a set position through the slag discharge pipe 16.

The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims

1. The deep foundation pit drainage treatment device is characterized by comprising a mounting frame (1) erected on a deep foundation pit, wherein a mounting rod (2) is arranged on the mounting frame (1), one end, far away from the mounting frame (1), of the mounting rod (2) is provided with a cylinder body (3), a water pumping assembly (4) for pumping accumulated water in the deep foundation pit is arranged on the cylinder body (3) and the mounting frame (1), a filtering mechanism for filtering the pumped accumulated water is arranged in the cylinder body (3), and a cleaning assembly (5) for preventing the filtering mechanism from being blocked is also arranged in the cylinder body (3).

2. The deep foundation pit water lowering and draining treatment device according to claim 1, wherein the water pumping assembly (4) comprises a water pumping pump (41), a water pumping pipe (42), a water conveying pipe (43) and a water draining pipe (44), the water pumping pump (41) is fixedly arranged on the mounting frame (1), the water draining pipe (44) is fixedly communicated with the water pumping pump (41), one end of the water conveying pipe (43) is connected with the water pumping pump (41), the other end of the water conveying pipe (43) is connected with the cylinder (3), one end of the water pumping pipe (42) is connected with the cylinder (3), and the other end of the water pumping pipe (42) is inserted into the deep foundation pit.

3. The deep foundation pit dewatering and drainage treatment device according to claim 2, wherein the filtering mechanism comprises a rotary air cylinder (6), the rotary air cylinder (6) is arranged on the inner top wall of the cylinder body (3), a rotary mounting plate (7) is arranged at the output end of the rotary air cylinder (6), a partition plate (8) is fixedly arranged inside the cylinder body (3), the partition plate (8) is positioned at one side of the rotary mounting plate (7) deviating from the rotary air cylinder (6), the communicating positions of the water pumping pipe (42) and the water pumping pipe (43) and the cylinder body (3) are respectively positioned between the partition plate (8) and the rotary mounting plate (7), the partition plate (8) divides the interior of the cylinder body (3) into a filter cavity (10) and a slag storage cavity (11), the filter cavity (10) is positioned between the partition plate (8) and the rotary mounting plate (7), the slag storage cavity (11) is positioned at one side of the partition plate (8) deviating from the rotary mounting plate (7), and at least two filter assemblies (9) are arranged inside the filter cavity (10).

4. The deep foundation pit dewatering and drainage treatment device according to claim 3, wherein each group of the filtering components (9) comprises a mounting cylinder (91), a filter screen cylinder (92), a first communicating piece (93) and a second communicating piece (94), the mounting cylinder (91) is fixedly arranged on the rotary mounting plate (7), one end, far away from the rotary mounting plate (7), of the mounting cylinder (91) is abutted against the partition plate (8), the filter screen cylinder (92) is fixedly arranged in the mounting cylinder (91), the first communicating piece (93) and the second communicating piece (94) are both arranged on the outer wall of the mounting cylinder (91) and are communicated with the inside of the mounting cylinder (91), the first communicating piece (93) is used for communicating the water pumping pipe (42) with the mounting cylinder (91), and the second communicating piece (94) is used for communicating the water conveying pipe (43) with the mounting cylinder (91).

5. The deep foundation pit dewatering and drainage treatment device according to claim 4, wherein a sealing gasket ring (12) is arranged at one end of the mounting cylinder (91) far away from the rotary mounting plate (7), and the sealing gasket ring (12) is used for sealing a gap between the mounting cylinder (91) and the partition plate (8).

6. The deep foundation pit dewatering and drainage treatment device according to claim 4, wherein the cleaning assembly (5) comprises a telescopic spring (51) and a cleaning ring (52), the cleaning ring (52) is movably sleeved on the circumferential periphery of the filter screen cylinder (92), the circumferential outer wall of the cleaning ring (52) is in sliding fit with the circumferential inner wall of the mounting cylinder (91), the telescopic spring (51) is sleeved on the circumferential periphery of the filter screen cylinder (92), one end of the telescopic spring (51) is connected with the cleaning ring (52), the other end of the telescopic spring is connected with the inner wall of the mounting cylinder (91), a slag drop port (18) is arranged on the partition plate (8) in a penetrating mode, and the inner diameter of the slag drop port (18) is identical with the inner diameter of the mounting cylinder (91).

7. The deep foundation pit dewatering and drainage treatment device according to claim 6, wherein a guide rod (13) is arranged on the outer side wall of the filter screen cylinder (92), the guide rod (13) is arranged along the axial direction of the filter screen cylinder (92), and a clamping groove (14) for clamping the guide rod (13) is arranged on the inner side wall of the cleaning ring (52).

8. The deep foundation pit dewatering and drainage treatment device according to claim 3, wherein the mounting frame (1) is provided with a slag pump (15), the slag pump (15) is provided with a slag discharging pipe (16) and a slag discharging pipe (17), and one end of the slag discharging pipe (17) away from the slag pump (15) is connected with the cylinder (3) and communicated with the slag storage cavity (11).