CN212026298U - Light well point dewatering anti-blocking device - Google Patents
Light well point dewatering anti-blocking device Download PDFInfo
- Publication number
- CN212026298U CN212026298U CN202020135993.4U CN202020135993U CN212026298U CN 212026298 U CN212026298 U CN 212026298U CN 202020135993 U CN202020135993 U CN 202020135993U CN 212026298 U CN212026298 U CN 212026298U
- Authority
- CN
- China
- Prior art keywords
- slide
- well point
- filter
- rotary table
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a light-duty well point precipitation prevents stifled device, prevent stifled device and include: a motor disposed on an outer sidewall of the base layer; the rotary table is connected with an output shaft of the motor; the connecting rope is wound on the rotary table, two ends of the connecting rope extend out of the rotary table, and the winding point of the connecting rope on the rotary table deviates from the center of the rotary table; the slide, its setting is subaerial, the chimney filter movably sets up in the slide and can slide from top to bottom in the slide, the bottom of well point pipe is followed stretch into in the slide to in the chimney filter, the both ends of connecting the rope stretch into to in the slide with the chimney filter is connected. The utility model discloses not only can prevent that chimney filter and well point pipe from blockking up, can also improve extraction efficiency.
Description
Technical Field
The utility model relates to a technical field of well point dewatering especially relates to a light-duty well point dewatering prevents stifled device.
Background
The light well point is a method for artificially reducing underground water level, and is characterized by that along the periphery of foundation pit or one side of the foundation pit a well pipe whose diameter is small is sunk into the water-containing layer of deep base, the upper portion of said well pipe is connected with main pipe, and the water pumping equipment can be used for continuously pumping underground water out of the well pipe so as to reduce original underground water level to below base. Light well points are also called as vacuum well points, well point pipes are arranged at intervals along the periphery of a foundation pit, water filter pipes are arranged at the bottoms of the well point pipes and inserted into a permeable layer, upper hose connecting pipes are connected with a water collecting main pipe, the water collecting main pipe is a phi 150 steel pipe, phi 40 water suction pipe ports with the same interval as the well point pipes are arranged on the whole body, and then water in the water collecting pipe is pumped out through a vacuum water suction pump, so that the effect of reducing the underground water level at the periphery of the foundation pit is achieved, the drying and the water-free property of a substrate are ensured, and a water well is divided into a non-killing well and a confined well according to the pressure of underground water, and when the water well is arranged in a water-bearing layer with a diving free surface (namely; when a well is placed in a confined aquifer (the aquifer is filled with water between two impermeable layers, and the surface of the underground water in the aquifer has a certain water pressure), it is called a confined well.
The design through the basement generally reduces ground water level for current light-duty well point dewatering, prevents the emergence of gushing water or sand drift phenomenon, and current well point dewatering efficiency is lower, and the phenomenon of jam appears in the surperficial chimney filter of current well point pipe easily moreover, leads to pumping efficiency to reduce.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a light-duty well point precipitation prevents stifled device, the device not only can prevent that chimney filter and well point pipe from blockking up, can also improve extraction efficiency.
The utility model adopts the following technical scheme
The utility model provides a light-duty well point precipitation prevents stifled device, light-duty well point setting is in the foundation ditch outside, including setting up at the outlying house steward in foundation ditch top, with house steward intercommunication and extend to the well point pipe and the cover of groundwater surface of water and establish the well point pipe is located one serving chimney filter in the underground, prevent stifled device and include:
the motor is arranged on the outer side wall of the foundation pit;
the rotary table is connected with an output shaft of the motor;
the connecting rope is wound on the rotary table, two ends of the connecting rope extend out of the rotary table, and the winding point of the connecting rope on the rotary table deviates from the center of the rotary table;
the slide, its setting is subaerial, the chimney filter movably sets up in the slide and can slide from top to bottom in the slide, the bottom of well point pipe is followed stretch into in the slide to in the chimney filter, the both ends of connecting the rope stretch into to in the slide with the chimney filter is connected.
Furthermore, a first lug and a lantern ring sleeved outside the first lug are arranged on the rotary table, the first lug deviates from the circle center of the rotary table, and the connecting rope bypasses the lantern ring and two ends of the connecting rope extend out of the lantern ring.
Further, be provided with first through-hole on the lateral wall of slide, the both ends of connecting the rope pass first through-hole with the chimney filter is connected.
Furthermore, the top of slide is provided with and is used for its top confined end cover, be provided with on the end cover and supply the second through-hole that well point pipe passed, the bottom of slide sets up to open end.
Further, the top of chimney filter is provided with can be with its top confined apron, be provided with the confession on the apron the third through-hole that well point pipe passed, still be provided with the second lug on the apron, the both ends of connecting the rope with the second lug is connected, the bottom of chimney filter is provided with the filter screen.
Further, the length of the filter tube is such that when the filter tube is moved to an extreme position in the slide, the lower end of the well point tube remains in the filter tube.
Furthermore, the main pipe is bent into a ring shape at the top of the foundation pit and is connected with the well point pipe through a bent connecting pipe.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
1) the utility model discloses a motor, carousel, first lug, the lantern ring, slide, chimney filter, second lug and connection rope's joint setting, when chimney filter position department is plugged up by garrulous gravel, the starter motor, the motor drives first lug through the carousel and rotates, first lug rethread lantern ring and connection rope's joint setting, the connection rope is under the pulling of first lug, drive second lug and chimney filter and slide in the slide, the slide hits the surperficial garrulous grit of chimney filter and falls, prevent that the chimney filter surface from further blocking, the practicality and the extraction efficiency of the device have been improved;
2) the utility model discloses bend the house steward round setting around the foundation ditch, one side of house steward is provided with the curved union coupling and the well point pipe of pegging graft simultaneously, the suction pump in opening the water pump room extracts groundwater through curved union coupling, well point pipe and chimney filter to drop groundwater to basic pit bottom below, prevent in groundwater from gushing into the hole, and then prevent the collapse that the slope arouses because the seepage flow of groundwater, eliminate the soil layer at the bottom of the foundation ditch hole and the pressure that groundwater potential difference arouses, just also prevented the piping. After precipitation, the horizontal load of the deep foundation pit support structure is also reduced, so that seepage of underground water is eliminated, and the phenomenon of sand running is also prevented; in addition, after the underground water level is reduced, the soil body is solidified, and the bearing capacity of the foundation soil is increased. The practicability of the device is improved.
Drawings
Fig. 1 is a schematic structural view of a precipitation anti-blocking device according to an embodiment of the present invention;
fig. 2 is an enlarged view of a point a in fig. 1.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
In the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1, the utility model provides a light-duty well point dewatering prevents stifled device, include ground 1, house steward 2, foundation ditch 3, well point pipe 6, chimney filter 15 and prevent stifled device. The in-situ water level 7 outside the foundation pit and the lowered underground water level 8 are shown in the figure 1, the in-situ water level 7 is located below the ground 1, the lowered underground water level 8 is located below the original underground water level 7, the foundation pit 3 is located on one side of the ground 1, a main pipe 2 located around the foundation pit 3 is fixedly installed above the ground 1, and the main pipe 2 is bent into a ring shape and installed at the top of the foundation pit 3. The top surface fixed mounting on ground 1 has the water pump room 4 that is located house steward 2 one side, and the suction pump input in the water pump room 4 communicates with house steward 2. The top of the main pipe is fixedly connected with a plurality of bent connecting pipes 5 along the circumferential direction, and the distance between every two adjacent bent connecting pipes 5 is equal. One end of the bent connecting pipe 5 far away from the main pipe 2 is fixedly connected with a well point pipe 6, and the other end of the well point pipe 6 extends into the position under the water level. One end of the well point pipe 6, which is positioned underground, is sleeved with a filter pipe 15, and the lower part of each filter pipe 15 is provided with an anti-blocking device.
Referring to fig. 2, the anti-blocking device comprises a motor 9, a rotary disc 10, a connecting rope 17 and a slideway 13. The motor 9 is fixedly arranged on the lower part of the outer wall of the foundation pit 3. The turntable 10 is sleeved on an output shaft of the motor 9, and the motor 9 works to drive the turntable 10 to rotate. For better installation of the connecting rope, a first lug 11 is fixedly installed on the disc surface on one side of the rotary disc 10, and the first lug 11 is arranged in a way of deviating from the rotary disc 10. The first protrusion 11 is rotatably provided with a collar 12. Holes for the connecting ropes 17 to pass through are arranged in the lantern ring 12 along the circumferential direction of the lantern ring, the connecting ropes 17 are arranged in the holes in a penetrating mode, and the two ends of the connecting ropes extend out of the lantern ring 12. The slideway 13 is arranged at the side of the foundation pit 3, the well point pipe 6 corresponding to the anti-blocking device and the filter pipe 15 sleeved on the well point pipe 6 extend into the slideway 13, and the filter pipe 15 can freely slide in the slideway 13. In order to prevent silt from clogging the chute 13, the top of the chute 13 is provided with an end cap for closing the top thereof, and in order to prevent the presence of the end cap from affecting the passage of the well point pipe 6, a second through hole is provided in the end cap for the well point pipe 6 to pass through. In order that the slide 13 does not affect the movement of the filter tubes, the lower end of the slide 13 is provided as an open end. The top of the filter tube 15 sleeved on the lower end of the well point tube 6 is also provided with a cover plate, the top end of the filter tube 15 is sealed by the cover plate, and the cover plate is provided with a third through hole for the well point tube 6 to pass through. The top of the filter tube 15 is provided with a filter screen. In order to prevent silt from blocking a filter screen of the filter pipe when water is pumped, a second bump 16 is arranged on a cover plate at the top of the filter pipe 15, a first through hole 14 is arranged on the side wall of the slide way 13, and two ends of a connecting rope 17 penetrate through the first through hole 14 on the slide way 13 to extend into the slide way 13 and are connected with the second bump 16 on the filter pipe 15. When the motor 9 works, the motor 9 drives the rotary table 10 to rotate, the rotary table 10 rotates to drive the filter tube 15 to move up and down in the slideway 13 by being pulled around the connecting rope 17 arranged on the rotary table, and silt blocked on the filter tube 15 is shaken off in the moving process, so that the filter tube 15 is prevented from being blocked. To prevent the well point tube 6 from becoming plugged by coming out of the filter tube 15 during the up and down movement of the filter tube 15, the length of the filter tube 15 is such that the well point tube 6 is always located in the filter tube 15 when the filter tube 15 moves to the extreme position in the slide 13.
When using, bend house steward 2 into the round and set up around foundation ditch 3, one side of house steward 2 is provided with the bent union coupling 5 and the well point pipe 6 of pegging graft simultaneously, the suction pump in opening the water pump room 4 is through bent union coupling 5, well point pipe 6 and chimney filter is extracted groundwater, in order to fall groundwater to foundation ditch bottom below, prevent that groundwater from gushing into the hole, and then prevent the landslide that the slope arouses because the seepage flow of groundwater, eliminate the pressure that the soil layer and the groundwater head of foundation ditch 3 hole bottoms arouse, just also prevented the piping. After precipitation, the horizontal load of the building structure of the deep foundation pit 3 is also reduced, so that seepage of underground water is eliminated, and the phenomenon of sand running is also prevented; in addition, after the underground water level is reduced, the soil body is solidified, and the bearing capacity of the foundation soil is increased. When the extraction groundwater, when filter tube 15 department is stopped up by the gravel stone, starter motor 9, motor 9 passes through carousel 10 and drives first lug 11 and rotates, first lug 11 passes through lantern ring 12 and the joint setting of connecting rope 17, connect rope 17 under the pulling of first lug 11, drive second lug 16 and filter tube 15 and slide in slide 13, slide 13 knocks down the surperficial gravel stone of filter tube 15, prevent that filter tube 15 surface from further blockking up, improve extraction efficiency.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood that the invention is not limited thereto, and that various modifications and changes can be made by those skilled in the art without departing from the principles of the invention.
Claims (7)
1. The utility model provides a light-duty well point dewatering prevents stifled device, light-duty well point setting is in the foundation ditch outside, including set up at the outlying house steward in foundation ditch top, with house steward intercommunication and extend to the well point pipe and the cover of groundwater surface of water and establish the well point pipe is located one serving chimney filter of underground, its characterized in that, prevent stifled device and include:
the motor is arranged on the outer side wall of the foundation pit;
the rotary table is connected with an output shaft of the motor;
the connecting rope is wound on the rotary table, two ends of the connecting rope extend out of the rotary table, and the winding point of the connecting rope on the rotary table deviates from the center of the rotary table;
the slide, its setting is subaerial, the chimney filter movably sets up in the slide and can slide from top to bottom in the slide, the bottom of well point pipe is followed stretch into in the slide to in the chimney filter, the both ends of connecting the rope stretch into to in the slide with the chimney filter is connected.
2. The light well point dewatering anti-blocking device according to claim 1, wherein a first protruding block and a lantern ring sleeved outside the first protruding block are arranged on the rotary table, the first protruding block is offset from a circle center of the rotary table, and the connecting rope bypasses the lantern ring and two ends of the connecting rope extend out of the lantern ring.
3. The light well-point dewatering anti-blocking device according to claim 1, wherein a first through hole is formed in a side wall of the slide way, and two ends of the connecting rope penetrate through the first through hole to be connected with the filter pipe.
4. The light well point precipitation anti-blocking device according to claim 1, wherein an end cover for closing the top of the slide way is arranged on the top of the slide way, a second through hole for the well point pipe to pass through is arranged on the end cover, and the bottom end of the slide way is arranged to be an open end.
5. The light well point dewatering anti-blocking device according to claim 1, wherein a cover plate capable of sealing the top end of the filter tube is arranged at the top of the filter tube, a third through hole for the well point tube to pass through is formed in the cover plate, a second bump is further arranged on the cover plate, two ends of the connecting rope are connected with the second bump, and a filter screen is arranged at the bottom end of the filter tube.
6. The lightweight well point precipitation blockage prevention device of claim 1, wherein the length of said filter tubes is such that when said filter tubes are moved to extreme positions in said slide, the lower ends of said well point tubes remain in said filter tubes.
7. The light well-point dewatering and anti-blocking device as recited in claim 1, wherein the main pipe is bent into a loop at the top of the foundation pit and is connected with the well-point pipe through a bent connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020135993.4U CN212026298U (en) | 2020-01-20 | 2020-01-20 | Light well point dewatering anti-blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020135993.4U CN212026298U (en) | 2020-01-20 | 2020-01-20 | Light well point dewatering anti-blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212026298U true CN212026298U (en) | 2020-11-27 |
Family
ID=73485837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020135993.4U Active CN212026298U (en) | 2020-01-20 | 2020-01-20 | Light well point dewatering anti-blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212026298U (en) |
-
2020
- 2020-01-20 CN CN202020135993.4U patent/CN212026298U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106836438A (en) | Step for municipal Storm Sewer Network blocks water with water system of regulating and storing | |
| CN113279421B (en) | Vacuum dewatering process for deep foundation pit | |
| CN102383437A (en) | Well point positioned pumping tubular well and well point positioned pumping method | |
| CN105625445A (en) | Foundation pit dewatering method in coastal sandy soil region | |
| CN110029680A (en) | A kind of deep foundation pit precipitation construction method | |
| CN111749239A (en) | Manual hole digging pile hole mechanical high-pressure grouting construction protection device and manual hole digging pile hole construction method | |
| CN113931209A (en) | Large-area deep foundation pit weakly permeable stratum underground water level control method | |
| CN205954648U (en) | Light well point precipitation device | |
| CN114606964A (en) | Foundation pit dewatering method used under complex geological condition | |
| CN212026298U (en) | Light well point dewatering anti-blocking device | |
| CN205502044U (en) | Be applied to precipitation structure in grittiness water -bearing stratum under building | |
| JP2005232721A (en) | Strainer device for use in deep vacuum draining-compaction draining method, and civil engineering work executing method using the strainer device | |
| JP4280213B2 (en) | Small well drainage method combined with deep vacuum drainage / consolidation dewatering method | |
| CN211006723U (en) | Drainage structures of precipitation well | |
| CN111549808B (en) | Telescopic antenna type tree-root-shaped water filter pipe dewatering well and method for drilling and bottom expanding | |
| CN107514005A (en) | A kind of instrument and its construction method for improving Application of light well point precipitation efficiency | |
| CN209523210U (en) | A section Novel flush system is secretly buried in lid digging in subway station | |
| CN210482344U (en) | Full-automatic intelligent circulation construction equipment of deep basal pit dewatering | |
| CN114250801A (en) | Pipe well and light well point combined dewatering construction method | |
| CN203213129U (en) | Controllable non-return drainer | |
| CN206352304U (en) | Pumping well-points dewatering system | |
| CN208009457U (en) | A kind of novel evacuated well sealing device | |
| CN208563278U (en) | The rainy season construction structure of major diameter vertical shaft in a kind of soft soil layer | |
| CN202055256U (en) | Concentrated water diversion and drainage device for large-area water seepage slope surface | |
| CN206034466U (en) | Foundation ditch or basic groove precipitation system for construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |