CN205369282U - Well point dewatering of sluice construction usefulness - Google Patents
Well point dewatering of sluice construction usefulness Download PDFInfo
- Publication number
- CN205369282U CN205369282U CN201620118208.8U CN201620118208U CN205369282U CN 205369282 U CN205369282 U CN 205369282U CN 201620118208 U CN201620118208 U CN 201620118208U CN 205369282 U CN205369282 U CN 205369282U
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- sleeve pipe
- air pump
- water
- cover plate
- pipe
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Abstract
The utility model provides an electronic four -way reversing valve, switch and power are connected that well point dewatering of sluice construction usefulness, it comprises wellhole, sleeve pipe, filler, apron, bottom plate, air pump, outlet pipe and water level control switch, fill out between wellhole and sleeve pipe, apron, bottom plate all with sleeve pipe seal welded, exhaust tube or gas tube and apron seal welded on the air pump, the outlet pipe with lap seal welded, the water level control switch is being through on the bolt fastening is being lapped and on wire and air pump, air pump. The utility model discloses simple structure, with low costs, precipitation is fast, construction safe and reliable, the easy popularization.
Description
Technical field
This utility model belongs to hydraulic engineering technical field, is specially the well-points dewatering of a kind of sluice construction.
Background technology
Often using well-points dewatering in construction of hydro project process, so-called well-points dewatering is exactly artificial dewatering.nullWell-points dewatering is before construction of hydro project and in construction，A number of filter pipe is buried underground in hydraulic engineering surrounding，Utilizing pumping equipment to draw water makes the soil dug remain drying regime，Moisture in drainage base soil，Promote soil solidifying，Improve foundation strength，Slight slope soil body lateral displacement and sedimentation can be reduced simultaneously，Stable side slope，Eliminate drift sand，Reduce base protuberance，The ground being arranged in below natural ground-water level and basis is made to avoid the impact of subsoil water in construction，More dry execution conditions are provided，Also can reduce unnecessary artificial input，Reduction of erection time，Improve construction quality and ensure construction safety，Current Application of light well point precipitation is to be contained on the well-point pipe of well point by vacuum equipment simply，Vacuum is catchmented and draws water in the same space，And the water sucking mouth of water pump、The pump housing、Pipeline、Pipeline and well point interface all cannot be accomplished strictly airtight，Vacuum can not be kept in all-the-time stable ground，Vacuum effect of catchmenting can not give full play to，Reduce dewatering effect，Affect construction quality and speed of application.
Summary of the invention
In order to solve the deficiencies in the prior art, this utility model provides the well-points dewatering of a kind of sluice construction.
This utility model be employed technical scheme comprise that, a kind of well-points dewatering includes: wellhole, sleeve pipe, filler, cover plate, base plate, air pump, outlet pipe and level control switch for water composition, filler is filled out between wellhole and sleeve pipe, cover plate, base plate all weld with sleeve pipe, exhaust tube or gas tube on air pump weld with cover plate for sealing, outlet pipe welds with cover plate for sealing, and level control switch for water is through being bolted on cover plate and being connected with the electric four passes reversal valve on air pump, air pump, on and off switch and power supply through wire.
Described wellhole is to go up the cylindrical cavity straight down being drilled to rig on construction ground, and wellbore depth meets geological conditions, precipitation depth and engineering characteristic.
Described sleeve pipe is arranged in the middle of wellhole, casing length is less than wellbore depth, sleeve pipe is made up of the seamless pipe on top and the fixing welding of the filter tube of bottom, seamless pipe is identical with the caliber of filter tube, the length of filter tube, equal to being embedded in level of ground water depth below, is typically greater than the engineering construction degree of depth 2 meters, specifically should determine according to engineering construction situation, each filtering holes on filter tube all has one-way water inlet valve, filter tube outsourcing nylon wire.
Described filler is arranged between wellhole and sleeve pipe, and filler divides upper and lower two-layer, and lower floor is coarse sand filtrate, in case silt particle flows in sleeve pipe, upper strata is clay and seals with soil layer around, and argillic horizon is more than water-bearing layer, with in air-prevention entrance sleeve pipe.
Described cover plate is circular, its external diameter is identical with casing inner diameter, cover plate welds with bobbin seal, and cover plate offers the interface sealing the interface welded and outlet pipe sealing welding with air pump exhaust tube or gas tube, and air pump is provided with Pressure gauge with cover plate exhaust tube or gas tube seam.
Described base plate is disc, and its external diameter is identical with casing inner diameter, and base plate welds with bobbin seal, base plate has filtering holes, filtering holes has one-way water inlet valve, be surrounded by under nylon wire, nylon wire under base plate and be filled with coarse sand filtrate, increase filtered water inlet hole, precipitation speed can be improved.
There is one-way water inlet valve described outlet pipe, lower end inserts in sleeve pipe below water level, and outlet pipe lower end is higher than the water intaking valve 0.1 meter on base plate；Water in sleeve pipe can only enter outlet pipe through one-way water inlet valve, then outside water outlet pipe flow to construction site.
Described air pump has electric four passes reversal valve, air pump through electronic logical reversal valve both can to sleeve pipe in vacuum suction, again can to inflating pressure in sleeve pipe.
Described level control switch for water, evacuation can be carried out in the low water level set electric four passes reversal valve on polygon control survey air pump and air pump is to sleeve pipe, one-way water inlet valve in the water of the periphery of spigot filtering holes on wellhole, filler, filter tube is allowed to enter in sleeve pipe, when water level arrives the high water level set, level control switch for water electric four passes reversal valve on polygon control survey air pump and air pump commutates, carry out pneumatic compression in sleeve pipe, make the water in sleeve pipe discharge outside construction site through the one-way water inlet valve of outlet pipe lower end, outlet pipe.
The beneficial effects of the utility model are: taking air pump to bleed and inflate alternately measure is the well-points dewatering of a kind of dry pump draining, cover plate, base plate and sleeve pipe, outlet pipe and cover plate welded seal, substantially increase air-tightness, vacuum and the pressure that can arrive are greatly improved, dewatering effect increases substantially than conventional well point dewatering, even if precipitation in the soil layer that permeability is poor, vacuum negative pressure condition within well point can also increase substantially dewatering effect, this is due to negative pressure of vacuum and water pressure combined effect, accelerate subsoil water to entering the speed of flowing in a little, substantially increase precipitation speed, shorten the construction period, guarantee construction safety, this device structure is simple, automaticity is high, and it is easy to Operation and Maintenance, cost is low.
Accompanying drawing explanation
Accompanying drawing 1 is this utility model structural representation；
Accompanying drawing 2 is covering plate structure schematic diagram of the present utility model；
Accompanying drawing 3 is base arrangement schematic diagram of the present utility model；
Accompanying drawing 4 is this utility model circuit diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described further.
A kind of well-points dewatering, it is made up of wellhole 1, sleeve pipe 2, filler 3, cover plate 4, base plate 5, air pump 6, outlet pipe 7, altitude valve 8, filler 3 is filled out between wellhole 1 and sleeve pipe 2, cover plate 4, base plate 5 all seal with sleeve pipe 2 and weld, exhaust tube interface or gas tube interface on air pump 6 seal with cover plate 4 and weld, outlet pipe 7 seals with cover plate 4 and welds, and level control switch for water 8 is through being bolted on cover plate 4 and being connected with electric four passes reversal valve 10 on and off switch 11 on air pump 6, air pump 6 and power supply 12 through wire 9；Described wellhole 1 is to go up the cylindrical cavity straight down being drilled to rig on construction ground, and wellhole 1 degree of depth meets site condition, precipitation depth and engineering characteristic；Described sleeve pipe 2 is arranged in the middle of wellhole 1, sleeve pipe 2 length is welded and fixed less than wellhole 1 degree of depth, sleeve pipe 2 is constituted by the seamless pipe 21 on top and the filter tube 22 of bottom, seamless pipe 21 is identical with the caliber of filter tube 22, the length of filter tube 22 is equal to being embedded in level of ground water depth below, it is typically greater than the engineering construction degree of depth 2 meters, specifically should need according to construction and determine, each filtering holes on filter tube 22 all has one-way water inlet valve 13, filter tube 22 outsourcing nylon wire；Described filler 3 is arranged between wellhole 1 and sleeve pipe 2, about 3 points two-layers of filler, and lower floor is coarse sand filtrate 31, in case silt particle enters in sleeve pipe 2, upper strata is clay 32 and seals with soil layer around, and argillic horizon enters in sleeve pipe 2 with air-prevention more than water-bearing layer；Described cover plate 4 is circular, its external diameter is identical with sleeve pipe 2 internal diameter, cover plate 4 seals with sleeve pipe 2 and welds, cover plate 4 offers the air inlet pipe or exhaust port that are tightly connected with air pump 6, cover plate offers the interface being tightly connected with outlet pipe 7, air pump 6 air inlet pipe or exhaust port place and is provided with Pressure gauge；Described base plate 5 is disc, and its external diameter is identical with sleeve pipe 2 internal diameter, and base plate 5 seals with sleeve pipe 2 and welds, and base plate 5 has filtering holes, filtering holes is surrounded by nylon wire 5 times equipped with one-way water inlet valve 13, base plate, is filled with coarse sand filtrate 31 under nylon wire；There is one-way water inlet valve 13 described outlet pipe 7 lower end inserts in sleeve pipe 2 below water level, outlet pipe 7 lower end is higher than on base plate 5 0.1 meter of one-way water inlet valve 13, water in sleeve pipe 2 can only enter outlet pipe 7 from one-way water inlet valve 13, then outside water outlet pipe flow to construction site；Described air pump 6 has electric four passes reversal valve 10, air pump 6 through electric four passes reversal valve 10 can to sleeve pipe 2 in evacuation, again can to inflating pressure in sleeve pipe 2；Described level control switch for water 8, the electric four passes reversal valve 10 on air pump 6 and air pump 6 can be controlled through wire 9 in the low water level set, to carrying out evacuation in sleeve pipe 2, allow the water of its vicinity through wellhole 1, filler 3, one-way water inlet valve 13 in filtering holes on filter tube 22 enters in sleeve pipe 2, when water level arrives the high water level set, the electric four passes reversal valve 10 that level control switch for water 8 controls on air pump 6 and air pump 6 through wire 9 commutates, carry out pneumatic compression in sleeve pipe 2, make the water in sleeve pipe 2 through the one-way water inlet valve 13 of outlet pipe 7 lower end, then discharge outside construction site through outlet pipe 7.
Operation principle and using method: this utility model Guan Bi on and off switch 11, when the water level in sleeve pipe 2 is in the high water level of setting, level control switch for water 8 closes and opens four-way change-over valve 10, air pump 6 starts sleeve pipe 2 is carried out pneumatic compression, the one-way water inlet valve 13 that one-way water inlet valve 13 in sleeve pipe 2 includes on base plate 5 is automatically switched off, the one-way water inlet valve 13 of drain pipe 7 lower end automatically turns on, the water in sleeve pipe 2 one-way water inlet valve 13 from influencing meridian drain pipe lower end enters drain pipe 7, then discharges outside place through drain pipe 7；nullWhen the water level in sleeve pipe 2 drops to the low water level of setting，Level control switch for water 8 first closes air pump 6 and electric four passes reversal valve 10，Then 12 are switched on power again，Allow and electric four passes reversal valve 10 is commutated，Open again air pump 6 to carrying out vacuum suction in sleeve pipe 2，Allow the water outside sleeve pipe 2 through coarse sand filtrate 31、One-way water inlet valve 13 in casing part filtering holes enters in sleeve pipe 2，Now the one-way water inlet valve 13 of drain pipe 7 lower end is automatically switched off，When the water level in sleeve pipe 2 rises to the high water level of setting，Level control switch for water 8 closes air pump 6 and electric four passes reversal valve 10，Then switch on power again and 12 allow electric four passes reversal valve 10 commutate，It is then turned on air pump 6 to carry out pneumatic compression in sleeve pipe 2，So so repeatedly，The water of the underground in construction site is discharged outside place repeatedly，Then the underground of construction site and the aquiform stool of periphery can drop to the degree of depth that construction needs.
Claims (9)
1. the well-points dewatering of a sluice construction, it is characterized in that: it is made up of wellhole, sleeve pipe, filler, cover plate, base plate, air pump, outlet pipe and level control switch for water, filler is filled out between wellhole and sleeve pipe, cover plate, base plate all weld with bobbin seal, exhaust tube or gas tube on air pump weld with cover plate for sealing, outlet pipe welds with cover plate for sealing, and level control switch for water is through being bolted on cover plate and being connected with the electric four passes reversal valve on air pump, air pump, on and off switch and power supply through wire.
2. the well-points dewatering of a kind of sluice construction according to claim 1, it is characterised in that: described wellhole is cylindrical cavity.
3. the well-points dewatering of a kind of sluice construction according to claim 1, it is characterized in that: described sleeve pipe is arranged in the middle of wellhole, casing length is less than wellbore depth, sleeve pipe is made up of the seamless pipe on top and the fixing welding of the filter tube of bottom, seamless pipe is identical with the caliber of filter tube, the length of filter tube, equal to being embedded in level of ground water depth below, each filtering holes on filter tube all has one-way water inlet valve, filter tube outsourcing nylon wire.
4. the well-points dewatering of a kind of sluice construction according to claim 1, it is characterized in that: described filler is arranged between wellhole and sleeve pipe, filler divides upper and lower two-layer, and lower floor is coarse sand filtrate, upper strata is clay and seals with soil layer around, and argillic horizon is more than water-bearing layer.
5. the well-points dewatering of a kind of sluice construction according to claim 1, it is characterized in that: described cover plate is circle, its external diameter is identical with casing inner diameter, cover plate welds with bobbin seal, offering on cover plate and air pump exhaust tube or gas tube seal weld connection interface and outlet pipe seal weld connection interface, air pump is provided with Pressure gauge with cover plate exhaust tube or gas tube seam.
6. the well-points dewatering of a kind of sluice construction according to claim 1, it is characterized in that: described base plate is disc, its external diameter is identical with casing inner diameter, base plate welds with bobbin seal, base plate has filtering holes, filtering holes all has one-way water inlet valve, is surrounded by nylon wire under base plate, is filled with coarse sand filtrate under nylon wire.
7. the well-points dewatering of a kind of sluice construction according to claim 1, it is characterized in that: described outlet pipe, there is one-way water inlet valve lower end inserts in sleeve pipe below water level, outlet pipe lower end is higher than the water intaking valve 0.1 meter on base plate, water in sleeve pipe can only enter outlet pipe through one-way water inlet valve, then outside water outlet pipe flow to construction site.
8. the well-points dewatering of a kind of sluice construction according to claim 1, it is characterised in that: described air pump has electric four passes reversal valve, air pump through electric four passes reversal valve both can to sleeve pipe in evacuation, again can to inflating pressure in sleeve pipe.
9. the well-points dewatering of a kind of sluice construction according to claim 1, it is characterized in that: described level control switch for water, can at the low water level set electric four passes reversal valve on polygon control survey air pump and air pump, to carrying out vacuum suction in sleeve pipe, allow the water of periphery of spigot through wellhole, filler, in filtering holes on filter tube, one-way water inlet valve enters in sleeve pipe, when water level arrives the high water level set, level control switch for water electric four passes reversal valve on polygon control survey air pump and air pump commutates, carry out pneumatic compression in sleeve pipe, make the water in sleeve pipe through the one-way water inlet valve of water pipe lower end, outlet pipe is discharged outside construction site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620118208.8U CN205369282U (en) | 2016-02-08 | 2016-02-08 | Well point dewatering of sluice construction usefulness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620118208.8U CN205369282U (en) | 2016-02-08 | 2016-02-08 | Well point dewatering of sluice construction usefulness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205369282U true CN205369282U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620118208.8U Expired - Fee Related CN205369282U (en) | 2016-02-08 | 2016-02-08 | Well point dewatering of sluice construction usefulness |
Country Status (1)
| Country | Link |
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| CN (1) | CN205369282U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759411A (en) * | 2017-03-14 | 2017-05-31 | 安徽水利开发股份有限公司 | Dry construction well point pipe's dmbeding method and special well point tube assembly |
| CN111173015A (en) * | 2020-01-21 | 2020-05-19 | 上海勘察设计研究院(集团)有限公司 | Circulating inflatable type submersible dewatering and dewatering well structure and dewatering method |
| CN111173016A (en) * | 2020-01-21 | 2020-05-19 | 上海勘察设计研究院(集团)有限公司 | Grouting sealing bag type dewatering well wall water stop structure |
| CN112252347A (en) * | 2020-11-06 | 2021-01-22 | 上海渊丰地下工程技术有限公司 | Deep well dewatering device and operation method thereof |
| CN112281884A (en) * | 2020-11-06 | 2021-01-29 | 上海渊丰地下工程技术有限公司 | Well point dewatering device and operation method thereof |
| CN112281883A (en) * | 2020-11-06 | 2021-01-29 | 上海渊丰地下工程技术有限公司 | Precipitation system and operation method thereof |
| CN114809123A (en) * | 2022-04-02 | 2022-07-29 | 中能建路桥工程有限公司 | Multi-stage support foundation pit monitoring method |
-
2016
- 2016-02-08 CN CN201620118208.8U patent/CN205369282U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759411A (en) * | 2017-03-14 | 2017-05-31 | 安徽水利开发股份有限公司 | Dry construction well point pipe's dmbeding method and special well point tube assembly |
| CN111173015A (en) * | 2020-01-21 | 2020-05-19 | 上海勘察设计研究院(集团)有限公司 | Circulating inflatable type submersible dewatering and dewatering well structure and dewatering method |
| CN111173016A (en) * | 2020-01-21 | 2020-05-19 | 上海勘察设计研究院(集团)有限公司 | Grouting sealing bag type dewatering well wall water stop structure |
| CN111173016B (en) * | 2020-01-21 | 2021-12-17 | 上海勘察设计研究院(集团)有限公司 | Grouting sealing bag type dewatering well wall water stop structure |
| CN112252347A (en) * | 2020-11-06 | 2021-01-22 | 上海渊丰地下工程技术有限公司 | Deep well dewatering device and operation method thereof |
| CN112281884A (en) * | 2020-11-06 | 2021-01-29 | 上海渊丰地下工程技术有限公司 | Well point dewatering device and operation method thereof |
| CN112281883A (en) * | 2020-11-06 | 2021-01-29 | 上海渊丰地下工程技术有限公司 | Precipitation system and operation method thereof |
| CN112281883B (en) * | 2020-11-06 | 2022-03-11 | 上海渊丰地下工程技术有限公司 | Precipitation system and operation method thereof |
| CN114809123A (en) * | 2022-04-02 | 2022-07-29 | 中能建路桥工程有限公司 | Multi-stage support foundation pit monitoring method |
| CN114809123B (en) * | 2022-04-02 | 2024-05-24 | 中能建路桥工程有限公司 | Multistage support foundation pit monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20170208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |