CN207073140U - A kind of well casing dewatering well dewatering device - Google Patents
A kind of well casing dewatering well dewatering device Download PDFInfo
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- CN207073140U CN207073140U CN201721054509.XU CN201721054509U CN207073140U CN 207073140 U CN207073140 U CN 207073140U CN 201721054509 U CN201721054509 U CN 201721054509U CN 207073140 U CN207073140 U CN 207073140U
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- well casing
- well
- wellhole
- dewatering
- casing
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Abstract
The utility model proposes a kind of well casing dewatering well dewatering device, including wellhole, the bottom of described wellhole is provided with metaling, the top of metaling is provided with well casing, well casing is provided with some filter openings, the top of well casing is provided with lifting hole(eyelet), the outer wrap of well casing has nylon wire, gravel filtrate is provided between the outer wall and borehole wall of well casing, water pump is provided with well casing, water pump is communicated to outside wellhole by water pipe, expansive concrete is provided with well casing, the suitable for reading of well casing is provided with steel plate, the top of well casing is provided with sealing rod and seal ring, sealing rod is located at the bottom of seal ring, sealing rod and seal ring are each provided in the foundation ditch concrete outside wellhole.The advantages of the utility model：Multiple times of filtration is carried out to underground water, ensures the clarity of water in well casing, ensures the service life of water pump；When disposing well casing, well casing is supported by locating ring, well casing is positioned, not manually righting well casing, is nor affected on the setting of gravel filtrate, ensure the construction of efficient quick.
Description
Technical field
Building foundation pit precipitation is the utility model is related to, particularly relates to a kind of well casing dewatering well dewatering device.
Background technology
Excavation of foundation pit depth is generally below level of ground water in engineering, so to reduce influence of the underground water to earth excavation,
It is necessary to take rational measure to carry out artificial rainmaking.Artificial rainmaking can use dewatering well to carry out precipitation, and one is taken after beating completion
Fixed filtering measure, then water pump is put into dewatering well groundwater abstraction, decline level of ground water, soil solidifying, there is provided preferably
Earth excavation condition, ensure construction safety.But existing dewatering well precipitation holds to the poor filtration effect of sewage, muddy sewage
The easily life-span of infringement water pump, while when disposing well casing, because metaling is uneven, causes well casing crank, influence to construct.
Utility model content
The utility model proposes a kind of well casing dewatering well dewatering device, solves existing dewatering well precipitation sewage water filtration effect
The problem of unstable when difference, well casing placement.
What the technical solution of the utility model was realized in：A kind of well casing dewatering well dewatering device, including wellhole, it is described
The bottom of wellhole be provided with metaling, the top of metaling is provided with well casing, and well casing is provided with some filter openings, and the top of well casing is provided with
Lifting hole(eyelet), the outer wrap of well casing have nylon wire, and gravel filtrate is provided between the outer wall and borehole wall of well casing, water is provided with well casing
Pump, water pump are communicated to outside wellhole by water pipe, are provided with expansive concrete in well casing, the suitable for reading of well casing is provided with steel plate, well casing
Top is provided with sealing rod and seal ring, and sealing rod is located at the bottom of seal ring, and sealing rod and seal ring are each provided at outside wellhole
In foundation ditch concrete.
Percent opening of the described filter opening on well casing is 23%.
Described nylon wire is provided with two layers, and for nylon wire by some locating ring colligations on well casing, locating ring includes two
Semicircular ring, one end of two semicircular rings are hinged, the other ends of two semicircular rings by connection bump, bolt connection, locating ring
Some locating rods are surrounded by, the end of locating rod is provided with the buffer board contacted with borehole wall.
The advantages of the utility model：Multiple times of filtration is carried out to underground water, ensures the clarity of water in well casing, ensures water pump
Service life；When disposing well casing, well casing is supported by locating ring, well casing positioned, not manually righting well casing, also not shadow
The setting of musical sand gravel filtrate, ensures the construction of efficient quick.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is excavation wellhole construction drawing.
Fig. 2 is laying metaling construction drawing.
Fig. 3 is placement well casing construction drawing.
Fig. 4 is well casing structure chart.
Fig. 5 is band nylon wire well casing structure chart.
Fig. 6 is laying gravel filtrate construction drawing.
Fig. 7 is Fig. 6 A-A direction views.
Fig. 8 is placement water pump construction drawing.
Fig. 9 is the construction drawing that draws water.
Figure 10 is closure well casing construction drawing.
Figure 11 is seal ring structure chart.
Figure 12 is locating ring structure figure.
In figure：1- wellholes, 2- metalings, 3- well casings, 4- filter openings, 5- lifting hole(eyelet)s, 6- nylon wires, 7- gravel filtrates, 8- water pumps,
9- water pipes, 10- expansive concretes, 11- steel plates, 12- sealing rods, 13- seal rings, 14- foundation ditch concrete, 15- semicircular rings, 16-
Connection bump, 17- locating rods, 18- buffer boards.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is paid
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment 1
As shown in figs. 1-11, a kind of well casing dewatering well dewatering device, including wellhole 1, the bottom of described wellhole 1 is provided with broken
Building stones 2, the top of metaling 2 are provided with well casing 3, and well casing 3 is provided with some filter openings 4, and the top of well casing 3 is provided with lifting hole(eyelet) 5, well casing 3
Outer wrap have nylon wire 6, be provided with gravel filtrate 7 between the outer wall and borehole wall of well casing 3, water pump 8, water be provided with well casing 3
Pump 8 is communicated to outside wellhole by water pipe 9, is provided with expansive concrete 10 in well casing 3, the suitable for reading of well casing 3 is provided with steel plate 11, well casing
3 top is provided with sealing rod 12 and seal ring 13, and sealing rod 12 is located at the bottom of seal ring 13, and sealing rod 12 and seal ring 13 are equal
It is located in the foundation ditch concrete 14 outside wellhole 1.
Such as Fig. 1, excavation and precipitation wellhole, such as Fig. 2 behind precipitation point position are determined, then excavates metaling in borehole bottom, it is broken
Building stones can play a part of tentatively filtering in well point bottom of the tube, such as Fig. 3, by the lifting hole(eyelet) in wellhole, well casing be hung in wellhole,
The structure of well casing and nylon wire such as Fig. 4 and Fig. 5, some filter openings are offered on well casing, nylon wire, which is wrapped on well casing, plays secondary mistake
The effect of filter, such as Fig. 6 and Fig. 7, gravel filtrate is filled on well casing periphery, such as Fig. 8, water pump, such as Fig. 9, precipitation are disposed in well casing
Then underground water around well is taken away because pressure enters in well-point pipe by gravel filtrate and nylon net filter by water pump, from
And reach the effect for reducing underground water, such a well-points dewatering method is applied to the soil property such as powder, fine sand, sand, gravel soil, such as Figure 10 and
Figure 11, after well casing precipitation, water pump is taken out, expansive concrete is then filled in well casing, in the welding steel suitable for reading of well casing
Plate is blocked, and is then set seal ring and sealing rod in the outside of well casing, is poured the foundation ditch concrete concordant with well casing, sealing
Ring and sealing rod, which are located in foundation ditch concrete, carries out sealing.
Embodiment 2
A kind of well casing dewatering well dewatering device, percent opening of the described filter opening 4 on well casing 3 are 23%.
Other structures are the same as embodiment 1.
Percent opening is 23%, on the basis of the rigidity of well casing is ensured, is met flat between stratum infiltration and pumping for water pump
Weighing apparatus.
Embodiment 3
As shown in figure 12, described nylon wire 6 be provided with two layers, nylon wire 6 by some locating ring colligations on well casing 3,
Locating ring includes two semicircular rings 15, and one end of two semicircular rings 15 is hinged, and the other end of two semicircular rings 15 is convex by connecting
16, bolt connection is played, locating ring is surrounded by some locating rods 17, and the end of locating rod 17 is slow provided with what is contacted with borehole wall
Punching 18.
Other structures are the same as embodiment 1.
Double-deck nylon wire, has a good filter effect, while well casing is provided with some locating rings, two of locating ring
Semicircular ring blocks well casing, while nylon wire is fixed, and locating rod and buffer board support borehole wall on locating ring, can make well casing
It is vertical to be kept in wellhole, not manually righting, does not influence to construct when filling gravel filtrate, improves efficiency of construction.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (3)
1. a kind of well casing dewatering well dewatering device, including wellhole（1）, it is characterised in that：Described wellhole（1）Bottom be provided with it is broken
Building stones（2）, metaling（2）Top be provided with well casing（3）, well casing（3）It is provided with some filter openings（4）, well casing（3）Top be provided with
Lifting hole(eyelet)（5）, well casing（3）Outer wrap have nylon wire（6）, well casing（3）Outer wall and borehole wall between be provided with gravel filtrate
（7）, well casing（3）It is interior to be provided with water pump（8）, water pump（8）Pass through water pipe（9）It is communicated to outside wellhole, well casing（3）It is interior to be provided with swelled mixture
Solidifying soil（10）, well casing（3）Suitable for reading be provided with steel plate（11）, well casing（3）Top be provided with sealing rod（12）And seal ring（13）, only
Water bar（12）It is located at seal ring（13）Bottom, sealing rod（12）And seal ring（13）It is each provided at wellhole（1）Outside foundation ditch mixes
Solidifying soil（14）It is interior.
2. well casing dewatering well dewatering device according to claim 1, it is characterised in that：Described filter opening（4）In well casing（3）
On percent opening be 23%.
3. well casing dewatering well dewatering device according to claim 1, it is characterised in that：Described nylon wire（6）Provided with two
Layer, nylon wire（6）By some locating ring colligations in well casing（3）On, locating ring includes two semicircular rings（15）, two semicircular rings
（15）One end be hinged, two semicircular rings（15）The other end pass through connection bump（16）, bolt connection, the surrounding of locating ring sets
There are some locating rods（17）, locating rod（17）End be provided with the buffer board that is contacted with borehole wall（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721054509.XU CN207073140U (en) | 2017-08-22 | 2017-08-22 | A kind of well casing dewatering well dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721054509.XU CN207073140U (en) | 2017-08-22 | 2017-08-22 | A kind of well casing dewatering well dewatering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207073140U true CN207073140U (en) | 2018-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721054509.XU Active CN207073140U (en) | 2017-08-22 | 2017-08-22 | A kind of well casing dewatering well dewatering device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867651A (en) * | 2018-07-26 | 2018-11-23 | 江苏兴厦建设工程集团有限公司 | A kind of pervious concrete well casing mounting device for base pit dewatering |
| CN109098198A (en) * | 2018-08-31 | 2018-12-28 | 中国二十冶集团有限公司 | The localization method of non-fine concrete downcast well pipe |
| CN110055987A (en) * | 2019-05-31 | 2019-07-26 | 长沙市市政工程有限责任公司 | A kind of rich water mobile sand layer foundation pit tool-type dewatering well device |
| CN110318661A (en) * | 2019-04-24 | 2019-10-11 | 武汉一冶建筑安装工程有限责任公司 | Dewatering well construction method |
| CN110528543A (en) * | 2019-08-05 | 2019-12-03 | 中国二十冶集团有限公司 | A kind of dewatering construction method |
-
2017
- 2017-08-22 CN CN201721054509.XU patent/CN207073140U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867651A (en) * | 2018-07-26 | 2018-11-23 | 江苏兴厦建设工程集团有限公司 | A kind of pervious concrete well casing mounting device for base pit dewatering |
| CN109098198A (en) * | 2018-08-31 | 2018-12-28 | 中国二十冶集团有限公司 | The localization method of non-fine concrete downcast well pipe |
| CN110318661A (en) * | 2019-04-24 | 2019-10-11 | 武汉一冶建筑安装工程有限责任公司 | Dewatering well construction method |
| CN110055987A (en) * | 2019-05-31 | 2019-07-26 | 长沙市市政工程有限责任公司 | A kind of rich water mobile sand layer foundation pit tool-type dewatering well device |
| CN110528543A (en) * | 2019-08-05 | 2019-12-03 | 中国二十冶集团有限公司 | A kind of dewatering construction method |
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