CN214940312U - Drainage device of deep foundation pit high-water-level dewatering well - Google Patents

Abstract

The utility model relates to a deep basal pit high water level precipitation well drainage device, it includes the frame, be equipped with the water pump in the frame, the play water end intercommunication of water pump has the drain pipe, the income water end intercommunication of water pump has first water absorption pipe, the one end intercommunication that the water pump was kept away from to first water absorption pipe has the second to absorb water the pipe, the second absorbs water the pipe and keeps away from the one end of water pump and extend to in the precipitation well, first intraductal first filter plate who is used for sealing first water absorption pipe that is equipped with of absorbing water, the second absorbs water and wears to establish and rotate and be connected with the pivot on the pipe, the second absorbs water and still is equipped with on the pipe and is used for driving pivot pivoted motor, be equipped with the blade in the pivot, the outer fringe and the first filter plate mutual contact of filtering of blade. The application has the technical effects that: the staff can the starter motor drive the silt on with first filter screen board and scrape down, has reduced silt and has blocked up the possibility with first filter screen board, has promoted drainage device's drainage effect.

Description

Drainage device of deep foundation pit high-water-level dewatering well

Technical Field

The application relates to the technical field of drainage devices, in particular to a drainage device of a deep foundation pit high-water-level dewatering well.

Background

The foundation pit dewatering is that when a foundation pit is excavated, the underground water level is higher than the excavated bottom surface, the underground water can continuously seep into the pit, so that the construction of the foundation pit can be ensured under a dry condition, and the dewatering work is performed to prevent slope instability, basic sand flow, pit bottom uplift, pit bottom piping and foundation bearing capacity reduction.

According to notice number CN209975546U discloses a foundation ditch drainage device for foundation ditch construction has ponding and silt granule in the foundation ditch, and foundation ditch drainage device includes: the filter comprises a filter drain pipe, a water inlet hole, a filter screen, a water outlet pipe, a water drain hole, a connecting pipe, a valve, a water drain pipe and a water pump; the filtering and draining pipe is a hollow round pipe with an opening at one end, internal threads are arranged on the inner wall of one end of the filtering and draining pipe, and the other end of the filtering and draining pipe is inserted into the foundation pit; the at least two water inlet holes are formed in the outer wall of the other end of the filtering drain pipe, so that accumulated water in the foundation pit enters the filtering drain pipe through the at least two water inlet holes; the filter screen is sleeved outside the filter drain pipe, and the diameter of the mesh of the filter screen is smaller than that of the sediment particles in the foundation pit; the water outlet pipe is a hollow round pipe with an opening at one end, an external thread is arranged on the outer wall of one end of the water outlet pipe, and the internal thread is matched with the external thread so as to enable the water outlet pipe to be communicated with the filtering and draining pipe.

The technical scheme has the following defects: drainage device filters silt through the filter screen at the in-process of drainage, has some silt to adhere to and leads to the condition of filter screen jam on the filter screen, has reduced drainage device's drainage effect.

SUMMERY OF THE UTILITY MODEL

In order to improve drainage device's drainage effect, the application provides a deep basal pit high water level dewatering well drainage device, adopts following technical scheme: the utility model provides a deep basal pit high water level precipitation well drainage device, includes the frame, be equipped with the water pump in the frame, the play water end intercommunication of water pump has the drain pipe, the income water end intercommunication of water pump has first water absorption pipe, the one end intercommunication that the water pump was kept away from to first water absorption pipe has the second to absorb water the pipe, the second absorbs water the one end that the water pump was kept away from to the pipe and extends to in the precipitation well, be equipped with the first filter plate who is used for sealing first water absorption pipe in the first water absorption pipe, wear to establish and be connected with the pivot on the second water absorption pipe, the second absorbs water and still is equipped with on the pipe and is used for driving pivot pivoted motor, be equipped with the blade in the pivot, the outer fringe and the first filter plate of blade mutually contact.

Through above-mentioned technical scheme, at the in-process that drainage device carries out the drainage, the staff can the starter motor drive pivot rotate, drives the blade then and will adhere to the silt of first filter screen board and scrape down, has reduced silt and has filtered the stifled dead possibility of otter board with first, has promoted drainage device's drainage effect.

Optionally, the second absorbs water and has seted up on the pipe and change the hole, the second absorbs water and has seted up a plurality of fixed slots on the pipe, the second absorbs water and is equipped with the fixed plate that is used for sealing the change hole on the pipe, the pivot is worn to establish and the swivelling joint is on the fixed plate, wear to establish respectively on the fixed plate and threaded connection have a plurality of with fixed slot assorted fixing bolt, a plurality of fixing bolt is threaded connection in a plurality of fixed slots respectively.

Through above-mentioned technical scheme, the staff can lift the fixed plate off from the second suction pipe through the mode that the bolt was dismantled for the staff can take out the blade from changing the hole, so that the staff clears up or restores the blade, has reduced the blade damage and has leaded to the possibility of the adnexed silt clearance difficulty on the first filter screen board, thereby has promoted drainage device's drainage effect.

Optionally, the first water suction pipe is provided with an annular plate along the inner edge, the annular plate is provided with a plurality of thread grooves, the first filter screen plate is provided with a plurality of locking bolts matched with the thread grooves in a penetrating and threaded manner, and the locking bolts are respectively in threaded connection with the thread grooves.

Through above-mentioned technical scheme, the staff can open the fixed plate through the mode that the bolt was dismantled, lift off the locking bolt from the thread groove then for first filter plate can be followed the change hole on the second suction pipe and lifted off, so that the staff washs or changes the first filter plate who lifts off.

Optionally, a first rubber pad matched with the fixing plate is arranged on the second water suction pipe, and the first rubber pad abuts against between the pipe wall of the second water suction pipe and the fixing plate.

Through above-mentioned technical scheme, the setting of first rubber pad has increased the leakproofness between fixed plate and the second suction pipe, has reduced the sewage in the second suction pipe and has followed the fixed plate and the second suction pipe clearance between the possibility of oozing to the sealing performance between fixed plate and the second suction pipe has been promoted.

Optionally, a third water suction pipe is communicated between the first water suction pipe and the second water suction pipe through two branch pipes, a second filter screen plate used for sealing the third water suction pipe is arranged in the third water suction pipe, a first valve used for controlling the second water suction pipe to be switched on and off is arranged on the second water suction pipe, a second valve used for controlling the third water suction pipe to be switched on and off is arranged on the third water suction pipe, and the first filter screen plate and the first valve are both located between the two branch pipes.

Through the technical scheme, when the staff need clear up or restore the interior blade of second suction pipe or first filter plate, the staff can be through closing first valve, open the mode of second valve, make the liquid of taking out circulate in the third suction pipe through two branch pipes, the setting up of third suction pipe makes the staff when wasing or restoring the interior blade of second suction pipe or first filter plate, drainage device can maintain normal work, when having reduced the staff and clear up or restore the interior blade of second suction pipe or first filter plate, the unable possibility of work of drainage device, drainage device's drainage effect has been promoted.

Optionally, a placing hole is formed in the third water suction pipe, two sliding grooves matched with the second filter screen plate are formed in the inner pipe wall of the third water suction pipe in a relatively-opened manner, the second filter screen plate is connected in the two sliding grooves in a sliding manner, a sealing plate for sealing the placing hole is arranged on the third water suction pipe, a plurality of sealing grooves are formed in the third water suction pipe, a plurality of sealing bolts matched with the sealing grooves are arranged on the sealing plate in a penetrating manner and in threaded connection, the sealing bolts are respectively in threaded connection in the sealing grooves, and the sealing plate and the third water suction pipe are abutted against each other.

Through above-mentioned technical scheme, the staff can tear closed bolt out from the closed tank through the mode that the bolt was dismantled, then with the second filter screen board along the sliding tray from placing downthehole pulling-out to the staff washs or changes the second filter screen board.

Optionally, the third water suction pipe is communicated with a connecting pipe, and the connecting pipe is provided with a third valve for controlling the connection and disconnection of the connecting pipe.

Through above-mentioned technical scheme, at drainage device drainage in-process, silt on the second filter screen board can drop the connecting pipe under the action of gravity in, and the staff can open the third valve, piles up silt in the connecting pipe and can drop from the connecting pipe under self action of gravity to reached regularly to the third effect that absorbs water and manage and clear up.

Optionally, a rubber sleeve is sleeved on the blade, and the rubber sleeve and the first filter screen plate are abutted against each other.

Through above-mentioned technical scheme, the setting of rubber sleeve has the effect of protection blade, has reduced the blade at the broken possibility under the striking of the in-process of clearance silt debris of large granule to the life of blade has been promoted.

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

1. the worker can start the motor to drive the blades to scrape off the silt on the first filter screen plate, so that the possibility that the silt blocks the first filter screen plate is reduced, and the drainage effect of the drainage device is improved;

2. the third suction pipe enables a worker to clean or repair the blades or the first filter screen plate in the second suction pipe, the drainage device can work normally, and the drainage effect of the drainage device is improved.

Drawings

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

Fig. 2 is a schematic cross-sectional structure diagram for embodying the first screen plate.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Fig. 4 is an enlarged schematic view at B in fig. 2.

Reference numerals: 1. a frame; 2. a water pump; 3. a drain pipe; 4. a first water suction pipe; 5. a second suction pipe; 6. dewatering wells; 7. a first filter screen plate; 8. a rotating shaft; 9. a motor; 10. a blade; 11. replacing the hole; 12. fixing grooves; 13. a fixing plate; 14. fixing the bolt; 15. an annular plate; 16. a thread groove; 17. locking the bolt; 18. a first rubber pad; 19. a branch pipe; 20. a third suction pipe; 21. a second filter screen plate; 22. a first valve; 23. a second valve; 24. placing holes; 25. a sliding groove; 26. a closing plate; 27. closing the groove; 28. closing the bolt; 29. a connecting pipe; 30. a third valve; 31. a rubber sleeve; 32. and a second rubber pad.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses deep basal pit high water level dewatering well drainage device.

As shown in fig. 1, the drainage device for the deep foundation pit high water level dewatering well comprises a frame 1, a water pump 2 is fixedly connected to the frame 1, a water outlet end of the water pump 2 is communicated with a drain pipe 3, a water inlet end of the water pump 2 is communicated with a first water suction pipe 4, one end, far away from the water pump 2, of the first water suction pipe 4 is communicated with a second water suction pipe 5, and one end, far away from the water pump 2, of the second water suction pipe 5 extends into a dewatering well 6.

As shown in fig. 2 and 3, the first filter screen plate 7 for sealing the first water suction pipe 4 is connected in the first water suction pipe 4, the second water suction pipe 5 is provided with a replacement hole 11, the second water suction pipe 5 is connected with a fixing plate 13 for sealing the replacement hole 11, the fixing plate 13 is provided with a rotating shaft 8 in a penetrating and rotating manner, the fixing plate 13 is provided with a motor 9 for driving the rotating shaft to rotate, the rotating shaft 8 is provided with a blade 10 in a fixedly connected manner, the blade 10 is provided with a rubber sleeve 31 in a sleeved manner, and the rubber sleeve 31 and the first filter screen plate 7 are mutually abutted tightly. Therefore, when drainage operation needs to be carried out, a worker can start the motor 9 to drive the rotating shaft 8 to rotate, the rotating shaft 8 drives the blade 10 to rotate, silt attached to the first filter screen plate 7 can be scraped by the rubber sleeve 31 on the blade 10, the possibility that the silt blocks the first filter screen plate 7 is reduced, and the drainage effect of the drainage device is improved.

As shown in fig. 2 and 4, a third water suction pipe 20 is communicated between the first water suction pipe 4 and the second water suction pipe 5 through two branch pipes 19, a second filter screen 21 for closing the third water suction pipe 20 is connected in the third water suction pipe 20, a first valve 22 for controlling the on-off of the second water suction pipe 5 is installed on the second water suction pipe 5, a second valve 23 for controlling the on-off of the third water suction pipe 20 is installed on the third water suction pipe 20, and the first filter screen 7 and the first valve 22 are both located between the two branch pipes 19. Therefore, when the staff needs to clean or repair the blade 10 in the second water suction pipe 5, the staff can open the mode of the second valve 23 by closing the first valve 22, so that the pumped sewage flows in the third water suction pipe 20 through the two branch pipes 19, the second filter screen plate 21 has a filtering effect on the sewage flowing in the third water suction pipe 20, the third water suction pipe 20 is arranged so that the staff cleans or repairs the blade 10 in the second water suction pipe 5, the drainage device can maintain normal work, the possibility that the drainage device cannot work when the staff cleans or repairs the blade 10 is reduced, and the drainage effect of the drainage device is improved.

As shown in fig. 2, the third suction pipe 20 is connected to a connection pipe 29, the connection pipe 29 is vertically disposed at the bottom of the third suction pipe 20, and a third valve 30 for controlling the connection pipe 29 to be closed is installed on the connection pipe 29. Therefore, the staff can close first valve 22, open second valve 23, and silt on second filter screen plate 21 can drop to connecting pipe 29 under the action of gravity this moment, and then the staff can open third valve 30, and the silt of piling up in connecting pipe 29 can drop from connecting pipe 29 under the action of self gravity to the effect of regularly clearing up third suction pipe 20 has been reached.

As shown in fig. 3, the second water suction pipe 5 is provided with a plurality of fixing grooves 12, the fixing plate 13 is respectively provided with a plurality of fixing bolts 14 matched with the fixing grooves 12, the fixing bolts 14 are respectively connected with the fixing grooves 12 by screw threads, the inner edge of the first water suction pipe 4 is fixedly connected with the annular plate 15, the annular plate 15 is provided with a plurality of screw grooves 16, the first filter screen plate 7 is provided with a plurality of locking bolts 17 matched with the screw grooves 16 by screw threads, and the locking bolts 17 are respectively connected with the screw grooves 16 by screw threads. Therefore, the worker can close the first valve 22, open the second valve 23, and then detach the fixing plate 13 from the second suction pipe 5 in a bolt detaching manner, so that the worker can take the blade 10 out of the replacing hole 11 and clean or repair the blade, the possibility that silt attached to the first filter screen plate 7 is difficult to clean due to damage of the blade 10 is reduced, and the drainage effect of the drainage device is improved; meanwhile, the worker can detach the locking bolts 17 from the thread grooves 16 in a bolt detaching manner, so that the first filter screen plate 7 can be detached from the replacing holes 11 on the second suction pipe 5, and the worker can clean or replace the first filter screen plate 7 conveniently.

As shown in fig. 2 and 4, a placing hole 24 is formed in the third water suction pipe 20, two sliding grooves 25 matched with the second filter screen plate 21 are formed in the inner pipe wall of the third water suction pipe 20, the second filter screen plate 21 is connected in the two sliding grooves 25 in a sliding manner, a closing plate 26 for closing the placing hole 24 is connected to the third water suction pipe 20, a plurality of closing grooves 27 are formed in the outer pipe wall of the third water suction pipe 20, a plurality of closing bolts 28 matched with the closing grooves 27 are connected to the closing plate 26 in a penetrating manner and in a threaded manner, and the plurality of closing bolts 28 are respectively connected in the closing grooves 27 in a threaded manner. Therefore, the worker can open the first valve 22, close the second valve 23, and then pull out the second filter screen plate 21 from the placing hole 24 along the sliding groove 25 by means of bolt disassembly, so that the worker can clean or replace the second filter screen plate 21.

As shown in fig. 3 and 4, the end surface of the second suction pipe 5 is connected with a first rubber pad 18 matched with the fixed plate 13, the first rubber pad 18 is tightly pressed between the outer wall of the second suction pipe 5 and the fixed plate 13, the end surface of the closing plate 26 facing the third suction pipe 20 is connected with a second rubber pad 32, and the second rubber pad 32 is tightly pressed between the outer wall of the third suction pipe 20 and the closing plate 26. Therefore, the arrangement of the first rubber pad 18 reduces the possibility that sewage seeps out from the gap between the fixed plate 13 and the second suction pipe 5, and enhances the sealing performance between the fixed plate 13 and the second suction pipe 5; meanwhile, the second rubber pad 32 reduces the possibility of sewage seeping out from the gap between the second rubber pad 32 and the closing plate 26, and enhances the sealing effect between the closing plate 26 and the third suction pipe 20.

The implementation principle of the embodiment of the application is as follows: when the staff need carry out precipitation work to precipitation well 6, at first put into precipitation well 6 with the one end that first water suction pipe 4 was kept away from to second water suction pipe 5 in, close second valve 23 and third valve 30, open water pump 2, motor 9 and first valve 22, sewage in precipitation well 6 passes through the first filter screen board 7 that the second water suction pipe 5, the silt after the filtration is scraped from first filter screen board 7 under motor 9 driven blade 10 effect, the possibility that silt will be blocked up with first filter screen board 7 has been reduced, drainage device's drainage effect has been promoted.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a deep basal pit high water level precipitation well drainage device which characterized in that: comprises a frame (1), a water pump (2) is arranged on the frame (1), the water outlet end of the water pump (2) is communicated with a drain pipe (3), a water inlet end of the water pump (2) is communicated with a first water suction pipe (4), one end of the first water suction pipe (4) far away from the water pump (2) is communicated with a second water suction pipe (5), one end of the second water suction pipe (5) far away from the water pump (2) extends into the dewatering well (6), a first filter screen plate (7) used for sealing the first water suction pipe (4) is arranged in the first water suction pipe (4), the second water suction pipe (5) is penetrated and rotatably connected with a rotating shaft (8), the second water suction pipe (5) is also provided with a motor (9) for driving the rotating shaft (8) to rotate, the rotating shaft (8) is provided with a blade (10), and the outer edge of the blade (10) is in contact with the first filter screen plate (7).

2. The drainage device of a deep foundation pit high water level dewatering well according to claim 1, characterized in that: the second absorbs water and has seted up on tub (5) and change hole (11), a plurality of fixed slots (12) have been seted up on tub (5) are absorbed to the second, the second absorbs water and is equipped with fixed plate (13) that are used for sealing change hole (11) on tub (5), pivot (8) are worn to establish and rotate and are connected on fixed plate (13), wear to establish respectively on fixed plate (13) and threaded connection have a plurality of and fixed slot (12) assorted fixing bolt (14), a plurality of fixing bolt (14) are threaded connection respectively in a plurality of fixed slots (12).

3. The drainage device of the deep foundation pit high water level dewatering well according to claim 2, characterized in that: the first water suction pipe (4) is provided with an annular plate (15) along the inner edge, the annular plate (15) is provided with a plurality of thread grooves (16), the first filter screen plate (7) is provided with a plurality of locking bolts (17) matched with the thread grooves (16) in a penetrating and threaded manner, and the locking bolts (17) are respectively in threaded connection in the thread grooves (16).

4. The drainage device of a deep foundation pit high water level dewatering well according to claim 3, characterized in that: the second water suction pipe (5) is provided with a first rubber pad (18) matched with the fixing plate (13), and the first rubber pad (18) is tightly propped between the pipe wall of the second water suction pipe (5) and the fixing plate (13).

5. The drainage device of the deep foundation pit high water level dewatering well according to claim 4, characterized in that: the water-absorbing pipe is characterized in that a third water-absorbing pipe (20) is communicated between the first water-absorbing pipe (4) and the second water-absorbing pipe (5) through two branch pipes (19), a second filter screen plate (21) used for sealing the third water-absorbing pipe (20) is arranged in the third water-absorbing pipe (20), a first valve (22) used for controlling the second water-absorbing pipe (5) to be switched on and switched off is arranged on the second water-absorbing pipe (5), a second valve (23) used for controlling the third water-absorbing pipe (20) to be switched on and switched off is arranged on the third water-absorbing pipe (20), and the first filter screen plate (7) and the first valve (22) are both located between the two branch pipes (19).

6. The drainage device of the deep foundation pit high water level dewatering well according to claim 5, characterized in that: the water filter is characterized in that a placing hole (24) is formed in the third water suction pipe (20), two sliding grooves (25) matched with the second filter screen plate (21) are formed in the inner pipe wall of the third water suction pipe (20) in a relatively-opened mode, the second filter screen plate (21) is connected in the two sliding grooves (25) in a sliding mode, a sealing plate (26) used for sealing the placing hole (24) is arranged on the third water suction pipe (20), a plurality of sealing grooves (27) are formed in the third water suction pipe (20), a plurality of sealing bolts (28) matched with the sealing grooves (27) penetrate through the sealing plate (26) and are in threaded connection with the sealing plates, the sealing plates (26) are in threaded connection with the sealing grooves (27), and the sealing plates (20) are abutted against each other.

7. The drainage device of the deep foundation pit high water level dewatering well according to claim 5, characterized in that: the third water suction pipe (20) is communicated with a connecting pipe (29), and a third valve (30) used for controlling the connection and disconnection of the connecting pipe (29) is arranged on the connecting pipe (29).

8. The drainage device of a deep foundation pit high water level dewatering well according to claim 1, characterized in that: the blade (10) is sleeved with a rubber sleeve (31), and the rubber sleeve (31) and the first filter screen plate (7) are mutually abutted.

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