CN110130375A - A kind of base pit dewatering device - Google Patents
A kind of base pit dewatering device Download PDFInfo
- Publication number
- CN110130375A CN110130375A CN201910359698.9A CN201910359698A CN110130375A CN 110130375 A CN110130375 A CN 110130375A CN 201910359698 A CN201910359698 A CN 201910359698A CN 110130375 A CN110130375 A CN 110130375A
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- China
- Prior art keywords
- water
- water pump
- hollow bushing
- base pit
- pit dewatering
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 116
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000005086 pumping Methods 0.000 claims abstract description 12
- 239000004568 cement Substances 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 1
- 239000003673 groundwater Substances 0.000 abstract description 12
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- 230000001939 inductive effect Effects 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract description 4
- 238000011105 stabilization Methods 0.000 abstract description 4
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000284 extract Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005370 electroosmosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention provides a kind of base pit dewatering devices; it is related to base pit dewatering field; including water pumping mechanism and start and stop mechanism; start and stop mechanism is electrically connected with water pumping mechanism, wherein the underground water on water pump extraction foundation pit periphery; when the water level decreasing of underground water; floatation element band moving slide-bar and sensing chip slide downward stop water pump by electric wire close to switch when close to inductive switching to sensing chip；When the water level position of underground water rises, floatation element band moving slide-bar upward sliding synchronous with sensing chip, when close to inductive switching less than sensing chip, water pump is started by electric wire close to switch, to effectively replace artificial observation and control the start and stop of water pump, water level range automatic start-stop water pump during base pit dewatering according to underground water is realized, ensure that the stabilization of level of ground water.
Description
Technical field
The present invention relates to base pit dewatering field more particularly to a kind of base pit dewatering devices.
Background technique
Base pit dewatering refers to that in excavation pit, level of ground water, which is higher than, excavates bottom surface, and underground water can constantly penetrate into hole, be
Guarantee that foundation pit can construct in dry conditions, prevents that slope instability, basic quicksand, bottom heave, hole bottom tube is gushed and foundation bearing
Power declines and the precipitation work that does；Method on Dewatering of Foundation Pit mainly has: bright ditch adds sump precipitation, Application of light well point precipitation, injector well
Point dewatering, electro-osmosis well point precipitation, Deep Pumped Wells etc..
Since the water level reduction around each well point is distribution funnel-shaped, the drawdown around entire foundation pit is necessarily
Near big and far smaller distribution in curved surface, water level reduce the uplift pressure on the one hand reducing building on Groundwater in soil, make weakness
Soil layer is compressed and settles；Another aspect interstitial water is discharged from soil, Consolidation Deformation of Soil, inherently Compression Settlement process,
Ground settlement with lowering of the underground water level amount be it is corresponding, the curved surface distribution of lowering of the underground water level necessarily causes close to buildings
Differential settlement so existing base pit dewatering need to be by site inspection and tight calculating, and needs to arrange in overall process of drawing water
Special messenger in turn checks the situation of drawing water of water pump, in the case where guaranteeing that bottom of foundation ditch is dry, prevents to underground water excess
It extracts, adds sump precipitation work personnel that can also observe in bright ditch, but well-points dewatering is then difficult to directly to observe, because
This may cause groundwater mining excess, cause the safety accidents such as periphery excessive settlement, therefore how to drop according in foundation pit
According to the water level range automatic start-stop water pump of underground water during water, guarantee that the stabilization of level of ground water becomes art technology
Personnel's urgent problem to be solved.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, a kind of base pit dewatering dress is provided
It sets, the arrangement achieves water level range automatic start-stop water pumps during base pit dewatering according to underground water.
The present invention is to be achieved by the following technical programs: a kind of base pit dewatering device, including water pumping mechanism and start and stop
Mechanism, start and stop mechanism are electrically connected with water pumping mechanism, wherein
Water pumping mechanism includes water pump and the water inlet pipe and outlet pipe that are connected with water pump two sides；
Start and stop mechanism includes hollow bushing, slide bar, floatation element and close switch, and water is inserted into the lower end of hollow bushing
In, it is fixed on the inside of hollow bushing close to switch, the upper end of slide bar, which is equipped with, switchs compatible sensing chip, floatation element with close
It is fixedly connected with the lower end of the slider, slide bar is slidably connected with hollow bushing inner wall, switchs water pump by electric wire close to switch.
According to the above technical scheme, it is preferable that floatation element is the cylindrical plastic cement tank of sealing, cylindrical plastic cement tank and sky
The inner wall of heart casing is slidably connected.
According to the above technical scheme, it is preferable that the middle part of outlet pipe or water inlet pipe is equipped with flowmeter, and flowmeter shows water pump
Displacement.
According to the above technical scheme, it is preferable that be equipped with limit plate, limit plate following table positioned at the upper end of slide bar in hollow bushing
Face is equipped with touching switch, and touching switch is electrically connected by electric wire with water pump.
According to the above technical scheme, it is preferable that offer multiple groups on hollow bushing and be used to be inserted into limit plate at equal intervals
Strip through-hole.
According to the above technical scheme, it is preferable that the lower end closed of hollow bushing offers multiple groups on the side wall of hollow bushing
Circular through hole, water are entered in hollow bushing by circular through hole.
According to the above technical scheme, it is preferable that the circular through hole of hollow bushing is wrapped with the permeable gauze of multilayer.
The beneficial effects of the present invention are: water pump extracts the underground water on foundation pit periphery in the present invention, when level of ground water decline,
Floatation element band moving slide-bar slide downward synchronous with sensing chip passes through electricity close to switch when close to inductive switching to sensing chip
Line stops water pump；When level of ground water rise when, floatation element band moving slide-bar and sensing chip upward sliding, when close to inductive switching not
When to sensing chip, water pump is started by electric wire close to switch, thus effectively replace artificial observation and control the start and stop of water pump, realization
According to the water level range automatic start-stop water pump of underground water during base pit dewatering, guarantee the stabilization of level of ground water.
Detailed description of the invention
Fig. 1 shows the schematic cross-sectional view of the start and stop mechanism of embodiment according to the present invention.
Fig. 2 shows the overlooking structure diagrams of the start and stop mechanism of embodiment according to the present invention.
Fig. 3 shows overlooking structure diagram when embodiment according to the present invention uses.
In figure: 1, water pumping mechanism；2, start and stop mechanism；3, water pump；4, water inlet pipe；5, outlet pipe；6, filter pipe；7, hollow sleeve
Pipe；8, slide bar；9, floatation element；10, close to switch；11, sensing chip；12, stop collar；13, flowmeter；14, limit plate；15,
Touching switch；16, strip through-hole；17, circular through hole；18, foundation pit.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and most
The present invention is described in further detail for good embodiment.
As shown, the present invention provides a kind of base pit dewatering device, including water pumping mechanism 1 and control water pumping mechanism 1 open
Start and stop mechanism 2 that is dynamic and stopping, start and stop mechanism 2 are electrically connected by cable with water pumping mechanism 1, wherein
Water pumping mechanism 1 includes water pump 3 and the water inlet pipe 4 and outlet pipe 5 that are connected with water pump 3, and wherein water pump 3 can be selected
Immersible pump 3 or common suction pump 3 etc., staff need to select the water pump 3 of appropriate size according to the actual situation on site；When existing
When field uses well-points dewatering, the multiple groups filter pipe 6 of water inlet pipe 4 and insertion underground is connected in parallel, ground of the water pump 3 to 18 periphery of foundation pit
It is lauched and is extracted, to reduce within the scope of the water level to setting height of underground water；
Start and stop mechanism 2 includes hollow bushing 7, slide bar 8, floatation element 9 and close switch 10, no matter which kind of foundation pit is used
The lower end of dewatering mode, hollow bushing 7 need to be inserted into water, and hollow bushing 7 is fixed clamping, be fixed on sky close to switch 10
The inside of heart casing 7, and the fixed bin accommodated close to switch 10 is installed on hollow bushing 7, the upper end of slide bar 8 is equipped with and approaches
The compatible sensing chip 11 of switch 10, hollow bushing 7 are located adjacent to the fixed restraining position ring block 12 in lower end of switch 10, floatation element 9
It is fixedly connected with 8 lower end of slide bar, slide bar 8 is slidably connected with 7 inner wall of hollow bushing, stops water pump 3 by electric wire close to switch 10.
Specific workflow is as follows:
Water pump 3 extracts the underground water on 18 periphery of foundation pit, and when the water level decreasing of underground water, floatation element 9 is with 8 He of moving slide-bar
The synchronous slide downward in hollow bushing 7 of sensing chip 11, when sensing sensing chip 11 close to switch 10, sensing chip 11 is being limited
Stop slide downward under the action of ring 12, while water pump 3 is stopped by electric wire close to switch 10；As water pump 3 stops working, ground
The water level being lauched is begun to ramp up, and floatation element 9 is with the upward sliding in hollow bushing 7 synchronous with sensing chip 11 of moving slide-bar 8, when connecing
When the nearly induction of switch 10 is less than sensing chip 11, water pump 3 is restarted by electric wire close to switch 10.
According to above-described embodiment, it is preferable that floatation element 9 is the cylindrical plastic cement tank of sealing, cylindrical plastic cement tank and sky
The inner wall of heart casing 7 is slidably connected, and the intensity of cylindrical plastic cement tank is larger, and its volume is much larger than spherical floatation element 9,
So that sensing chip 11 more sensitively floats in hollow bushing 7；Additionally, due to cylindrical plastic cement tank and hollow sleeve
The inner wall of pipe 7 is slidably connected, so as to which more smoothly band moving slide-bar 8 and sensing chip 11 slide up and down.
According to above-described embodiment, it is preferable that the middle part of outlet pipe 5 or water inlet pipe 4 is equipped with flowmeter 13, and flowmeter 13 is real-time
It shows the displacement of water pump 3, the water of the extraction of water pump 3 is directly acquired convenient for staff.
According to above-described embodiment, it is preferable that it further include signaling gear, signaling gear includes base station and mobile terminal,
In,
Flowmeter 13 automatically records displacement, and the signal of displacement is transmitted to mobile terminal by base station；
Water pump 3 is connected with existing Water volume time counter, and Water volume time counter can automatically record the working time, and pass through base
It stands and the signal of the working time of water pump 3 is transmitted to mobile terminal；
Mobile terminal is mobile phone, plate or computer etc., consequently facilitating people are obtained in time in 18 Precipitation Process of foundation pit
The working time of displacement and water pump 3 quickly analyzes the groundwater level and sedimentation situation on 18 periphery of foundation pit, further prevention peace
The generation of full accident.
According to above-described embodiment, it is preferable that be equipped with limit plate 14, limit plate 14 positioned at the upper end of slide bar 8 in hollow bushing 7
Lower surface is equipped with touching switch 15, and touching switch 15 is electrically connected by electric wire with water pump 3, when the water level of underground water rises, floats
Dynamic component 9 is moved upwards with moving slide-bar 8 and sensing chip 11 until sensing chip 11 is contacted with touching switch 15, when unexpected close to switch
When failure, it still is able to smoothly to open water pump 3 and draws water, foundation pit 18 is further prevented to be submerged.
According to above-described embodiment, it is preferable that offer multiple groups on hollow bushing 7 and be used to be inserted into limit plate 14 at equal intervals
Strip through-hole 16 improves the utilization efficiency of water pump 3 convenient for limiting the height of water level for opening water pump 3 according to on-site actual situations.
According to above-described embodiment, it is preferable that the lower end closed of hollow bushing 7 offers multiple groups on the side wall of hollow bushing 7
Circular through hole 17, water are entered in hollow bushing 7 by circular through hole 17, and stone etc. is avoided to enter in hollow bushing 7.
According to above-described embodiment, it is preferable that the circular through hole 17 of hollow bushing 7 is wrapped with the permeable gauze of multilayer, avoids
Sandstone is entered in hollow bushing 7 by circular through hole 17.
The beneficial effects of the present invention are: water pump 3 extracts the underground water on 18 periphery of foundation pit in the present invention, work as decline of groundwater level
When, floatation element 9 is with the slide downward synchronous with sensing chip 11 of moving slide-bar 8, when sensing sensing chip 11 close to switch 10, approaches
Switch 10 stops water pump 3 by electric wire；As water pump stops working, level of ground water is begun to ramp up, and floatation element 9 is with moving slide-bar 8
Water pump is started by electric wire close to switch 10 when incuding close to switch 10 less than sensing chip 11 with 11 upward sliding of sensing chip
3, to effectively replace artificial observation and control the start and stop of water pump 3, realize water during base pit dewatering according to underground water
Position range automatic start-stop water pump 3, guarantees the stabilization of level of ground water.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of base pit dewatering device, which is characterized in that including water pumping mechanism and start and stop mechanism, the start and stop mechanism and water pumper
Structure electrical connection, wherein
The water pumping mechanism includes water pump and the water inlet pipe and outlet pipe that are connected with water pump；
The start and stop mechanism includes hollow bushing, slide bar, floatation element and close switch, the lower end insertion of the hollow bushing
Described to be fixed on the inside of hollow bushing close to switch in water, the upper end of the slide bar, which is equipped with, switchs compatible induction with close
Piece, the floatation element are fixedly connected with the lower end of the slider, and the slide bar is slidably connected with hollow bushing inner wall, described close to switch
Water pump is switched by electric wire.
2. a kind of base pit dewatering device according to claim 1, which is characterized in that the floatation element is the cylinder of sealing
The inner wall of shaped plastic glue tank, the cylinder plastic cement tank and hollow bushing is slidably connected.
3. a kind of base pit dewatering device according to claim 1, which is characterized in that the middle part of the outlet pipe or water inlet pipe
Equipped with flowmeter, the flowmeter shows the displacement of water pump.
4. a kind of base pit dewatering device according to claim 1, which is characterized in that positioned at slide bar in the hollow bushing
Upper end is equipped with limit plate, and the limit plate lower surface is equipped with touching switch, and the touching switch is electrically connected by electric wire with water pump.
5. a kind of base pit dewatering device according to claim 4, which is characterized in that offer multiple groups on the hollow bushing
At equal intervals for being inserted into the strip through-hole of limit plate.
6. a kind of base pit dewatering device according to claim 5, which is characterized in that the lower end closed of the hollow bushing,
Multiple groups circular through hole is offered on the side wall of the hollow bushing, water is entered in hollow bushing by circular through hole.
7. a kind of base pit dewatering device according to claim 6, which is characterized in that outside the circular through hole of the hollow bushing
It is enclosed with the permeable gauze of multilayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359698.9A CN110130375A (en) | 2019-04-30 | 2019-04-30 | A kind of base pit dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359698.9A CN110130375A (en) | 2019-04-30 | 2019-04-30 | A kind of base pit dewatering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110130375A true CN110130375A (en) | 2019-08-16 |
Family
ID=67575891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910359698.9A Pending CN110130375A (en) | 2019-04-30 | 2019-04-30 | A kind of base pit dewatering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110130375A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111663529A (en) * | 2020-05-28 | 2020-09-15 | 中国五冶集团有限公司 | Powder spraying type pile machine touch recorder |
| CN113944180A (en) * | 2021-10-31 | 2022-01-18 | 北京中岩大地科技股份有限公司 | Construction method for pumping drainage and precipitation of existing basement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007100401A (en) * | 2005-10-05 | 2007-04-19 | Izumi Pump Seisakusho:Kk | Undergroundwater level lowering apparatus |
| CN103967028A (en) * | 2014-05-27 | 2014-08-06 | 江苏南通三建集团有限公司 | Immersed tube drainage structure and method for handling suddenly-produced foundation pit water bursting and fountains through immersed tube drainage structure |
| CN206986911U (en) * | 2017-07-03 | 2018-02-09 | 中国水利水电第五工程局有限公司 | A kind of spacing automatic start-stop device of underground pipe gallery deep foundation pit precipitation pipe well water-pump |
| CN208023598U (en) * | 2018-03-28 | 2018-10-30 | 青岛建设集团有限公司 | A kind of base pit dewatering pipe well |
| CN210066795U (en) * | 2019-04-30 | 2020-02-14 | 江苏楼翔建设有限公司 | Foundation pit dewatering device |
-
2019
- 2019-04-30 CN CN201910359698.9A patent/CN110130375A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007100401A (en) * | 2005-10-05 | 2007-04-19 | Izumi Pump Seisakusho:Kk | Undergroundwater level lowering apparatus |
| CN103967028A (en) * | 2014-05-27 | 2014-08-06 | 江苏南通三建集团有限公司 | Immersed tube drainage structure and method for handling suddenly-produced foundation pit water bursting and fountains through immersed tube drainage structure |
| CN206986911U (en) * | 2017-07-03 | 2018-02-09 | 中国水利水电第五工程局有限公司 | A kind of spacing automatic start-stop device of underground pipe gallery deep foundation pit precipitation pipe well water-pump |
| CN208023598U (en) * | 2018-03-28 | 2018-10-30 | 青岛建设集团有限公司 | A kind of base pit dewatering pipe well |
| CN210066795U (en) * | 2019-04-30 | 2020-02-14 | 江苏楼翔建设有限公司 | Foundation pit dewatering device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111663529A (en) * | 2020-05-28 | 2020-09-15 | 中国五冶集团有限公司 | Powder spraying type pile machine touch recorder |
| CN113944180A (en) * | 2021-10-31 | 2022-01-18 | 北京中岩大地科技股份有限公司 | Construction method for pumping drainage and precipitation of existing basement |
| CN113944180B (en) * | 2021-10-31 | 2022-12-13 | 北京中岩大地科技股份有限公司 | Construction method for pumping drainage and precipitation of existing basement |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| CB02 | Change of applicant information |
Country or region after: China Address after: Room 1132, Building 1, Sushang Xindi Life Plaza, No. 555 Zongguantang Road, Suzhou City, Jiangsu Province, 215008 Applicant after: China Pile Foundation Engineering Co.,Ltd. Address before: Room 1132, Building 1, Sushang Xindi Life Plaza, No. 555 Zongguantang Road, Suzhou City, Jiangsu Province, 215008 Applicant before: JIANGSU LOUXIANG CONSTRUCTION Co.,Ltd. Country or region before: China |