CN212200474U - Recharge device for preventing peripheral settlement of foundation pit dewatering - Google Patents

Abstract

The utility model belongs to the technical field of building auxiliary equipment, in particular to a recharge device for preventing peripheral settlement aiming at foundation pit dewatering, which comprises a dewatering mechanism and a recharge mechanism, wherein the dewatering mechanism comprises a dewatering well and a steel pipe embedded in the inner wall of the dewatering well, a filter pipe is embedded in the inner wall of the bottom end of the dewatering well, and a first floating plate slides on the inner wall of the steel pipe; first kickboard drives first closing plate and slides in the steel pipe, can seal up the water of first kickboard below, reduce the contact with the air, guarantee that the water in the precipitation well is not by the oxidation, and first kickboard can be along with the high free float of precipitation well water-logging, guarantee the invariant of atmospheric pressure, the second kickboard drives the second closing plate and slides in the reinforcing pipe, can seal up the water of second kickboard below, reduce the contact with the air, guarantee that the water in the recharge well is not by the oxidation, and the second kickboard can be along with the high free float of recharge well water-logging, guarantee the invariant of atmospheric pressure.

Description

Recharge device for preventing peripheral settlement of foundation pit dewatering

Technical Field

The utility model belongs to the technical field of the building auxiliary assembly, concretely relates to prevent peripheral recharge device who subsides to foundation ditch precipitation.

Background

The dewatering well has the function of reducing the underground water level or draining the underground water, the depth of the dewatering well is as deep as the dewatering requirement, even can reach fifty meters or more, so that the compression and sedimentation of the soil body around the foundation pit can be caused, further the deformation of buildings or pipelines around the foundation pit can be caused, even the safety of the buildings is threatened, and in order to reduce the influence of the excavation dewatering of the foundation pit on the buildings and the pipelines around the foundation pit, the recharging well recharging technology is adopted to lift the underground water level around the foundation pit.

Chinese patent discloses a groundwater recharge system structure (No. CN 204040012U), which can ensure the long-term effectiveness of a recharge well and ensure that the ground subsides within a safe value, but it adopts a mode of placing the water inlet end and the water outlet end below the liquid level to isolate air, but along with the flow of water, the water at the position of the liquid level flows downwards, thereby bringing oxygen into the water below, and cannot play a good isolation role.

Therefore, those skilled in the art have provided a recharging device for preventing the perimeter from settling against the precipitation of the foundation pit, so as to solve the above problems in the prior art.

Disclosure of Invention

To solve the problems set forth in the background art described above. The utility model provides a prevent recharge device that peripheral subsides to foundation ditch precipitation has sealed good characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a recharge device for preventing peripheral settlement of foundation pit dewatering comprises a dewatering mechanism and a recharge mechanism, wherein the dewatering mechanism comprises a dewatering well and a steel pipe embedded on the inner wall of the dewatering well, a filter pipe is embedded on the inner wall of the bottom of the dewatering well, a first floating plate slides on the inner wall of the steel pipe, a first sealing plate is fixedly bonded on the top surface of the first floating plate, a dewatering pipe is mounted inside the steel pipe and penetrates through the first floating plate, a first submersible pump is mounted at the bottom inside the dewatering well, the output end of the first submersible pump is connected with the dewatering pipe, the recharge mechanism comprises a recharge well and a reinforcing pipe embedded on the inner wall of the steel pipe, a second floating plate slides on the inner wall of the reinforcing pipe, a second sealing plate is fixedly bonded on the top end of the second floating plate, a water inlet pipe and a water outlet pipe are mounted inside the reinforcing pipe, the water inlet pipe and the water outlet pipe penetrate through the second floating plate, the second immersible pump is installed to the inside bottom of reinforced pipe, the output of second immersible pump with drain pipe sealing connection, the downcomer with pipeline interconnect is passed through on the top of inlet tube, first immersible pump with the second immersible pump all with external power source electric connection, the sealed series connection in bottom of inlet tube has the solenoid valve, sealed parallel connection has the scavenge pipe on the inlet tube, sealing connection has the first shower nozzle of a plurality of on the scavenge pipe.

Preferably, the top ends of the dewatering well and the recharging well are hermetically connected with sealing covers.

Preferably, the sealing cover at the top end of the dewatering well is fixedly connected with an air pipe.

Preferably, the sealing cover at the top end of the recharging well is fixedly connected with a limiting pipe.

Preferably, the bottom surface fixedly connected with ring pipe of second kickboard, sealing connection has a plurality of second shower nozzle on the ring pipe, sealing connection has the hose on the ring pipe, the one end of hose runs through spacing pipe and outside high-pressure water source sealing connection.

Preferably, the output ends of a plurality of second spray heads face the reinforcing pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

when carrying out the recharge operation, water in the first immersible pump will precipitation well is in through the downcomer pump sending to the inlet pipe, and discharge to in the recharge well, and simultaneously, first kickboard drives first closing plate and slides in the steel pipe, can seal the water of first kickboard below, reduce the contact with the air, guarantee that water in the precipitation well is not by the oxidation, and first kickboard can float and sink along with the height freedom of precipitation well water-logging, guarantee the invariant of atmospheric pressure, the second kickboard drives the second closing plate and slides in the strengthening pipe, can seal the water of second kickboard below, reduce the contact with the air, guarantee that water in the recharge well is not by the oxidation, and the second kickboard can float and sink along with the height freedom of recharging well water-logging, guarantee the invariant of atmospheric pressure.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the bottom structure of the recharging well of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 1;

fig. 4 is an enlarged schematic view of B in fig. 1.

In the figure: 1. a precipitation mechanism; 11. dewatering wells; 12. a steel pipe; 13. a filter tube; 14. a first floating plate; 15. a first sealing plate; 16. a downcomer pipe; 17. a first submersible pump; 18. an air tube; 2. a recharging mechanism; 21. recharging the well; 22. a reinforcement tube; 23. a second floating plate; 24. a second sealing plate; 25. a water inlet pipe; 251. an electromagnetic valve; 252. cleaning the tube; 253. a first nozzle; 26. a drain pipe; 27. a second submersible pump; 3. an annular tube; 31. a second nozzle; 32. a hose; 4. a sealing cover; 41. and a limiting pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a recharge device for preventing peripheral settlement aiming at foundation pit rainfall comprises a precipitation mechanism 1 and a recharge mechanism 2, wherein the precipitation mechanism 1 comprises a precipitation well 11 and a steel pipe 12 embedded in the inner wall of the precipitation well 11, a filter pipe 13 is embedded in the inner wall of the bottom end of the precipitation well 11, a first floating plate 14 slides on the inner wall of the steel pipe 12, a first sealing plate 15 is fixedly bonded on the top surface of the first floating plate 14, a downcomer 16 is arranged in the steel pipe 12, the downcomer 16 penetrates through the first floating plate 14, a first submersible pump 17 is arranged at the bottom end in the precipitation well 11, the output end of the first submersible pump 17 is connected with the downcomer 16, the recharge mechanism 2 comprises a recharge well 21 and a reinforcing pipe 22 embedded in the inner wall of the recharge well, a second floating plate 23 slides on the inner wall of the reinforcing pipe 22, a second sealing plate 24 is fixedly bonded on the top end of the second floating plate 23, a water inlet pipe 25 and a water outlet pipe 26 are arranged in the reinforcing pipe 22, the water inlet pipe 25 and the water, second immersible pump 27 is installed to the inside bottom of reinforced pipe 22, second immersible pump 27's output and drain pipe 26 sealing connection, and pipeline interconnect is passed through on the top of downcomer 16 and inlet tube 25, and first immersible pump 17 and second immersible pump 27 all with external power source electric connection, and the bottom of inlet tube 25 is sealed to be established ties there is solenoid valve 251, and the sealed scavenge pipe 252 that has parallelly connected on the inlet tube 25, and the last sealing connection of scavenge pipe 252 has the first shower nozzle 253 of a plurality of.

In this embodiment: when recharging operation is carried out, the first submersible pump 17 pumps water in the dewatering well 11 into the water inlet pipe 25 through the dewatering pipe 16 and discharges the water into the recharging well 21, meanwhile, the first floating plate 14 drives the first sealing plate 15 to slide in the steel pipe 12 and can seal water below the first floating plate 14, contact with air is reduced, it is guaranteed that the water in the dewatering well 11 is not oxidized, the first floating plate 14 can freely float and sink along with the height of the water in the dewatering well 11, constancy of air pressure is guaranteed, the second floating plate 23 drives the second sealing plate 24 to slide in the reinforcing pipe 22 and can seal water below the second floating plate 23, contact with air is reduced, it is guaranteed that the water in the recharging well 21 is not oxidized, the second floating plate 23 can freely float and sink along with the height of the water in the recharging well 21, constancy of air pressure is guaranteed, when the second submersible pump 27 needs to be started to pump dirty water in the recharging well 21, the electromagnetic valve 251 can be closed, water pumped by the first submersible pump 17 is conveyed into the cleaning pipe 252 and is sprayed out by the first spray heads 253, settled silt and impurities can be blown up, and then the dirty water is pumped out to the outside through the drain pipe 26 by the second submersible pump 27, so that the cleaning is more thorough.

In fig. 1: the device comprises a precipitation mechanism 1 and a recharge mechanism 2, wherein the precipitation mechanism 1 comprises a precipitation well 11 and a steel pipe 12 embedded in the inner wall of the precipitation well 11, a filter pipe 13 is embedded in the inner wall of the bottom end of the precipitation well 11, a first floating plate 14 is arranged on the inner wall of the steel pipe 12 in a sliding manner, a first sealing plate 15 is fixedly bonded on the top surface of the first floating plate 14, a precipitation pipe 16 is arranged in the steel pipe 12, the precipitation pipe 16 penetrates through the first floating plate 14, a first submersible pump 17 is arranged at the bottom end of the interior of the precipitation well 11, the output end of the first submersible pump 17 is connected with the precipitation pipe 16, the recharge mechanism 2 comprises a recharge well 21 and a reinforcing pipe 22 embedded in the inner wall of the recharge well, a second floating plate 23 is arranged on the inner wall of the reinforcing pipe 22 in a sliding manner, a second sealing plate 24 is fixedly bonded on the top end of the second floating plate 23, a water inlet pipe 25 and a water outlet pipe 26 are arranged in the reinforcing pipe 22, the, the output end of the second submersible pump 27 is connected with the drain pipe 26 in a sealing way, the top ends of the downcomer 16 and the water inlet pipe 25 are connected with each other through a pipeline, the first submersible pump 17 and the second submersible pump 27 are both electrically connected with an external power supply, when recharging operation is carried out, the first submersible pump 17 pumps water in the dewatering well 11 into the water inlet pipe 25 through the downcomer 16 and discharges the water into the recharging well 21, meanwhile, the first floating plate 14 drives the first sealing plate 15 to slide in the steel pipe 12, water below the first floating plate 14 can be sealed, contact with air is reduced, it is guaranteed that the water in the dewatering well 11 is not oxidized, the first floating plate 14 can freely float along with the height of the water in the dewatering well 11, air pressure is guaranteed to be constant, the second floating plate 23 drives the second sealing plate 24 to slide in the reinforcing pipe 22, water below the second floating plate 23 can be sealed, contact with air is reduced, and it is guaranteed that the water in the recharging well 21 is not oxidized, and the second floating plate 23 can freely float and sink along with the height of water in the recharging well 21, so that the air pressure is ensured to be constant.

In fig. 2: the bottom of inlet tube 25 is sealed to be established ties there is solenoid valve 251, inlet tube 25 is last sealed to be connected in parallel there is scavenge pipe 252, sealing connection has the first shower nozzle 253 of a plurality of on the scavenge pipe 252, when needs start the dirty water of second immersible pump 27 in with recharging well 21 and take out, can close solenoid valve 251, the water of first immersible pump 17 pump sending is carried to in the scavenge pipe 252, and spout by the first shower nozzle 253 of a plurality of, can blow up the silt impurity of sediment, then take out to the outside through drain pipe 26 with dirty water through second immersible pump 27, it is clean more thorough.

In fig. 3 and 4: the top ends of the dewatering well 11 and the recharging well 21 are both connected with a sealing cover 4 in a sealing way, the sealing cover 4 at the top end of the dewatering well 11 is fixedly connected with an air pipe 18, air flow can circulate through the air pipe 18, the sealing cover 4 at the top end of the recharging well 21 is fixedly connected with a limiting pipe 41, the bottom surface of the second floating plate 23 is fixedly connected with an annular pipe 3, the annular pipe 3 is connected with a plurality of second spray heads 31 in a sealing way, the annular pipe 3 is connected with a hose 32 in a sealing way, one end of the hose 32 penetrates through the limiting pipe 41 to be connected with an external high-pressure water source in a sealing way, the output ends of the plurality of second spray heads 31 face towards the reinforcing pipe 22, the second floating plate 23 can be controlled to float up and down by changing the water quantity in the recharging well 21, when floating, the external high-pressure water source conveys high-pressure water into the annular pipe 3 through the hose 32 and conveys the high-pressure, the cleanliness of the water in the recharge well 21 is ensured.

The utility model discloses a theory of operation and use flow: when recharging operation is carried out, the first submersible pump 17 pumps water in the dewatering well 11 into the water inlet pipe 25 through the dewatering pipe 16 and discharges the water into the recharging well 21, meanwhile, the first floating plate 14 drives the first sealing plate 15 to slide in the steel pipe 12 and can seal water below the first floating plate 14, contact with air is reduced, it is guaranteed that the water in the dewatering well 11 is not oxidized, the first floating plate 14 can freely float and sink along with the height of the water in the dewatering well 11, constancy of air pressure is guaranteed, the second floating plate 23 drives the second sealing plate 24 to slide in the reinforcing pipe 22 and can seal water below the second floating plate 23, contact with air is reduced, it is guaranteed that the water in the recharging well 21 is not oxidized, the second floating plate 23 can freely float and sink along with the height of the water in the recharging well 21, constancy of air pressure is guaranteed, when the second submersible pump 27 needs to be started to pump dirty water in the recharging well 21, the electromagnetic valve 251 can be closed, water pumped by the first submersible pump 17 is conveyed into the cleaning pipe 252 and is sprayed out by the first spray heads 253, settled silt and impurities can be blown up, and then the dirty water is pumped out to the outside through the drain pipe 26 by the second submersible pump 27, so that the cleaning is more thorough.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a prevent recharge device that peripheral subsides to foundation ditch precipitation which characterized in that: including precipitation mechanism (1) and recharging mechanism (2), precipitation mechanism (1) includes precipitation well (11) and inlays steel pipe (12) of establishing at its inner wall, the bottom inner wall of precipitation well (11) inlays and is equipped with filter tube (13), the inner wall of steel pipe (12) slides and has first kickboard (14), the top surface bonding of first kickboard (14) is fixed with first closing plate (15), the internally mounted of steel pipe (12) has precipitation pipe (16), precipitation pipe (16) run through first kickboard (14), first immersible pump (17) is installed to the inside bottom of precipitation well (11), the output of first immersible pump (17) with precipitation pipe (16) are connected, recharging mechanism (2) includes recharging well (21) and inlays and establishes at its inner wall's enhancement tube (22), the inner wall of enhancement tube (22) slides and has second kickboard (23), a second sealing plate (24) is fixedly bonded at the top end of the second floating plate (23), a water inlet pipe (25) and a water outlet pipe (26) are arranged in the reinforcing pipe (22), the water inlet pipe (25) and the water outlet pipe (26) penetrate through the second floating plate (23), a second submersible pump (27) is installed at the inner bottom end of the reinforced pipe (22), the output end of the second submersible pump (27) is hermetically connected with the drain pipe (26), the top ends of the downcomer (16) and the inlet pipe (25) are connected with each other through a pipeline, the first submersible pump (17) and the second submersible pump (27) are both electrically connected with an external power supply, the bottom end of the water inlet pipe (25) is hermetically connected with an electromagnetic valve (251) in series, a cleaning pipe (252) is hermetically connected on the water inlet pipe (25) in parallel, the cleaning pipe (252) is hermetically connected with a plurality of first spray heads (253).

2. The device of claim 1, wherein the device is adapted to prevent perimeter settlement from precipitation in a foundation pit, and further comprising: the top ends of the dewatering well (11) and the recharging well (21) are hermetically connected with sealing covers (4).

3. The device of claim 2, wherein the device is adapted to prevent perimeter settlement from precipitation in the excavation: the sealing cover (4) at the top end of the dewatering well (11) is fixedly connected with an air pipe (18).

4. The device of claim 2, wherein the device is adapted to prevent perimeter settlement from precipitation in the excavation: the sealing cover (4) at the top end of the recharging well (21) is fixedly connected with a limiting pipe (41).

5. The device of claim 4, wherein the device is used for preventing perimeter settlement from precipitation of the foundation pit, and comprises: the bottom surface fixedly connected with ring pipe (3) of second kickboard (23), sealing connection has a plurality of second shower nozzle (31) on ring pipe (3), sealing connection has hose (32) on ring pipe (3), the one end of hose (32) is run through spacing pipe (41) and outside high pressure water source sealing connection.

6. The device of claim 5, wherein the device is adapted to prevent perimeter settlement from precipitation in the excavation: the output ends of the second spray heads (31) face the reinforcing pipe (22).

Images