CN208009457U - A kind of novel evacuated well sealing device - Google Patents
A kind of novel evacuated well sealing device Download PDFInfo
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- CN208009457U CN208009457U CN201820037080.1U CN201820037080U CN208009457U CN 208009457 U CN208009457 U CN 208009457U CN 201820037080 U CN201820037080 U CN 201820037080U CN 208009457 U CN208009457 U CN 208009457U
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Abstract
The utility model discloses a kind of novel evacuated well sealing devices, in well casing, include sealing plate, the installation part being fixedly connected on sealing plate and the first sealant being located between sealing plate and well casing in well casing, through the working hole group having vertically on sealing plate, instrumentation tubes group is respectively arranged in working hole group, it is equipped with the second sealant between instrumentation tubes group and sealing plate, sealing plate is located in well casing and is sealed so that the cost of material substantially reduces；First installment work pipe simultaneously seals, then is sealed after sealing plate is mounted in well casing, when installation sealing plate need to only be installed after fill sealant, every layer of step can be directly efficiently completed.
Description
Technical field
The utility model is related to base pit dewatering apparatus field, more particularly to a kind of novel evacuated well sealing device.
Background technology
Base pit dewatering refers in excavation pit, and level of ground water can constantly penetrate into hole higher than bottom surface, underground water is excavated, and be
Ensure 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.Generally use vacuum well-point dewatering, it is along foundation pit surrounding or side by the thinner well of diameter
Pipe is sunk in the water-bearing layer for being deeper than substrate, and well casing top is connect with manifold, by manifold using pumping equipment by underground water from well
Constantly extraction, makes original level of ground water be reduced to substrate or less in pipe.
The prior art can refer to the Chinese patent that notification number is CN204728351U, and it discloses a kind of vacuum tube well precipitation
Sealing structure, including well casing, concrete sheath, sealing drum, sealing cover and sealing ring, in well head section level of ground water above section
Well casing is set, and the lower part of sealing drum is sleeved on the upper outside of the well casing；It is equipped with the concrete of cast in the lower outside of sealing drum
The top of sheath, sealing drum is equipped with ring flange；Sealing cover is bolted on the ring flange, is equipped with sealing therebetween
Circle；Draw water interface, vacuum meter interface, water-level observation interface, vacuum interface and cable entry port are equipped on sealing cover.This practicality is new
The advantages of type is：By the above cement well pipe of well head section level of ground water, well head section is using clay or loess shut-in well and sealing drum
With the sealing structure of well casing, the air-tightness of well head ensure that.
However, when using the sealing structure of this vacuum tube well precipitation, sealing sleeve is located on well casing and extends to and stick
Soil abuts so that sealing drum build is larger, and required cost is higher, when construction and installation, needs sealing cover and well casing with concrete
Sealing is formed, expends more manpower and materials, and installation effectiveness is relatively low.
Utility model content
The purpose of this utility model is to provide a kind of novel evacuated well sealing device, its advantage is that using this novel true
Simple in structure when empty well sealing device, the cost of material is low, easy for installation to be easy to construct, widely used, convenient and practical.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of novel evacuated well sealing device is mounted in well casing, is included sealing plate in well casing, is fixedly connected
Installation part on sealing plate and the first sealant being located between sealing plate and well casing, through having along vertical side on sealing plate
To working hole group, be respectively arranged with instrumentation tubes group in working hole group, the second sealant be equipped between instrumentation tubes group and sealing plate.
By using above-mentioned technical proposal, sealing plate is set in well casing, the first sealant is set between sealing plate and well casing,
It is sealed out of well casing so that convenient when not needing the sealing element of larger build, and installing.
The utility model is further arranged to：First sealant and the second sealant are fat clay.
By using above-mentioned technical proposal, fat clay have preferable plasticity and do not allow it is easily rupturable, sealing effect compared with
Good and cost is relatively low.
The utility model is further arranged to：Landfill has third sealant on the sealing plate and the first sealant.
By using above-mentioned technical proposal so that be further able to ensure the air-tightness of well head.
The utility model is further arranged to：The third sealant is fat clay, and water is marked on fat clay
Layer.
By using above-mentioned technical proposal, fat clay is further ensured that the air-tightness of well head with water cooperation.
The utility model is further arranged to：Nut at three is fixed at the top of the sealing plate, the side of nut is solid
Surely it is welded on sealing plate；Installation part is equipped with corresponding three, and installation part includes the connecting rod at middle part, is fixedly connected on connecting rod
The hook of one end and the key chain for being fixedly connected on the connecting rod other end, key chain are fastened in the nut bore of nut, hook
It hooks on the tube wall at the top of well casing.
By using above-mentioned technical proposal, sealing plate need to be only put by when installation out of well casing, and well is hung over by installation part
Guan Shang, construction is simple are convenient.
The utility model is further arranged to：The working hole group includes vacuum hole, drain tube holes, vacuum meter hole, cable
Hole and water level observation hole, are sealed between instrumentation tubes group and sealing plate by the second sealant, including be each passed through work
Vacuum tube, drainpipe, vacuum meter pipe, cable tube and the water level observation pipe of hole group；Vacuum tube passes through well room from well room side-wall outer side
It is stretched into well casing with sealing plate；Drainpipe passes through well room and sealing plate to stretch into well casing and is connected with water pump from well room side-wall outer side；
Vacuum meter pipe is extended to from well casing in well room, is extended to the indoor one end of well and is sealedly connected with vacuum meter；Cable tube is from well room side wall
Outside passes through well room and sealing plate to stretch into well casing and is connect with water pump；Water level observation hole is connected with ball valve.
By using above-mentioned technical proposal, vacuum tube in well casing for will be evacuated, and drainpipe is for taking out underground water
Go out, vacuum meter pipe is used for sensed water level for measuring atmospheric pressure, cable tube for controlling driving water pump, water level observation pipe.
The utility model is further arranged to：The bottom of the sealing plate is fixedly welded with the nut of the same manner placement,
Installation part is connected on the nut, key chain is fastened on the nut, and water pump is mounted on the hook of the installation part.
By using above-mentioned technical proposal, water pump is connected with sealing plate so that water pump installation is stablized, and is easy to take out.
The utility model is further arranged to：Burying for the well casing lateral wall is filled with wellhead sealing layer, and wellhead sealing layer is
Fat clay；The top of wellhead sealing layer is less than well casing top.
By using above-mentioned technical proposal, wellhead sealing layer is sealed well casing so that the leakproofness of well casing is preferable.
The utility model is further arranged to：Well room is fixed at the top of the well casing, well room is cylindrical in shape, the top of well room
End is flushed with ground, and the low side of well room is flushed with the top of wellhead sealing layer, and the nozzle of well casing stretches into well room；The top of well room
It is covered with casting iron well lid, pitch is equipped between well room and casting iron well lid and carries out edge sealing.
By using above-mentioned technical proposal, well room is set, vacuum well is protected, and makes construction more convenient.
In conclusion the utility model has the advantages that：
1, sealing plate is located in well casing and is sealed so that the cost of material substantially reduces；
Sealant is filled after only sealing plate need to be installed when 2, installing, installation is more convenient, and efficiency is higher, saves big
Measure manpower and materials.
Description of the drawings
Fig. 1 is the sectional view of the utility model；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the schematic diagram that the utility model is used to embody working hole group；
Fig. 4 is the structural schematic diagram that the utility model is used to embody installation part.
In figure, 1, well casing；2, wellhead sealing layer；3, sealing plate；31, the first sealant；32, working hole group；321, vacuum
Hole；322, drain tube holes；323, vacuum meter hole；324, cable aperture；325, water level observation hole；33, instrumentation tubes group；331, vacuum
Pipe；332, drainpipe；333, vacuum meter pipe；334, cable tube；335, water level observation pipe；34, the second sealant；35, third is close
Sealing；36, water layer；37, nut；4, installation part；41, connecting rod；42, it links up with；43, key chain；5, well room；51, casting iron well lid；
52, pitch.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.The identical attached drawing of wherein identical parts
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "upper", "lower", " bottom
Face " and " top surface " refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
As shown in Figure 1, a kind of novel evacuated well sealing device, is mounted in vertical inbuilt well casing 1, well casing 1 is in seamless
Tubulose, burying for 1 lateral wall of well casing are filled with wellhead sealing layer 2, and wellhead sealing layer 2 can be the sealing materials such as cement or clay,
Preferably fat clay；The top of wellhead sealing layer 2 is less than 1 top of well casing；In conjunction with Fig. 2 and Fig. 3, novel evacuated well sealing dress
It sets including the sealing plate 3 for being horizontally arranged at 1 inside of well casing, the installation part 4 being fixedly connected on sealing plate 3 and is located at sealing plate
The first sealant 31 between 3 and well casing 1, on sealing plate 3 in the working hole group 32 having vertically, working hole group 32
It is respectively arranged with instrumentation tubes group 33, the second sealant 34, the first sealant 31 and the are equipped between instrumentation tubes group 33 and sealing plate 3
Two sealants 34 can be the sealing materials such as concrete or clay, preferably fat clay.It is sealed by sealing plate 3, first
Well casing 1 is sealed to carry out vacuum well-point dewatering by layer 31, instrumentation tubes group 33 and the second sealant 34.
Fig. 1 is reviewed, the top of well casing 1 is fixed with well room 5, and well room 5 is cylindrical in shape, and the top of well room 5 is flushed with ground, well
The low side of room 5 is flushed with the top of wellhead sealing floor 2, and the nozzle of well casing 1 stretches into well room 5.The top of well room 5 is covered with cast iron
Well lid 51 is equipped with pitch 52 and carries out edge sealing between well room 5 and casting iron well lid 51.
Referring to Fig. 3, sealing plate 3 is preferably the disk plate made of steel and with the madial wall distance of well casing 1 is preferably
The top of 1-5cm, the distance from top well casing 1 of sealing plate 3 are preferably 20-40cm；Working hole group 32 includes vacuum hole 321, draining
Pore 322, vacuum meter hole 323, cable aperture 324 and water level observation hole 325, combined with Figure 1 and Figure 2, instrumentation tubes group 33 and sealing
It is sealed by the second sealant 4 between plate 3, including is each passed through the vacuum tube 331 of working hole group 32, drainpipe 332, true
Empty table pipe 333, cable tube 334 and water level observation pipe 335.Vacuum tube 331 in well casing 1 for will be evacuated, and vacuum tube 331 is certainly
5 side-wall outer side of well room passes through well room 5 and sealing plate 3 to stretch into well casing 1；Drainpipe 332 passes through well room 5 from 5 side-wall outer side of well room
Well casing 1 is stretched into sealing plate 3 and is connected with water pump（It is not shown）, for underground water to be extracted out；Vacuum meter pipe 333 is from well casing 1
It extends in well room 5, the one end extended in well room 5 is sealedly connected with vacuum meter, for measuring atmospheric pressure；334 artesian well of cable tube
5 side-wall outer side of room passes through well room 5 and sealing plate 3 to stretch into well casing 1 and is connect with water pump, for controlling driving water pump；Water level observation
Pipe 335 is connected with ball valve（It is not shown）, when observed stage, ball valve is directly opened, lower going-into-well bottom, water level are seen from ball valve by lining rope
After survey, extracts lining rope out and close ball valve, be used for sensed water level.
Referring to Fig. 1, in order to enhance leakproofness, being filled on sealing plate 3 and the first sealant 31 has third sealant 35, third
Sealant 35 be fat clay, preferably thickness be 8-12cm again on fat clay inject water layer 36 carry out fully it is close
Envelope, water layer is preferably 8-12cm.
In conjunction with Fig. 1 and Fig. 4, the top of sealing plate 3 is fixed with nut 37 at three, and nut 37 is distributed on sealing plate 3 at three
The side of the marginal position at top, nut 37 is fixedly welded on sealing plate 3 so that the nut bore of nut 37 in the horizontal direction,
Installation part 4 is equipped with corresponding three, and installation part 4 includes the connecting rod 41 at middle part, is fixedly connected on the hook of 41 one end of connecting rod
42 and it is fixedly connected on the key chain 43 of 41 other end of connecting rod, key chain 43 is fastened in the nut bore of nut 37, is linked up with
42 hook on the tube wall at 1 top of well casing.The bottom of sealing plate 3 is fixedly welded with the nut 37 of the same manner placement, the nut 37
On be connected with installation part 4, key chain 43 is fastened on the nut 37, water pump be mounted on the installation part 4 hook 42 on so that water
Pump installation is stablized, and is easy to take out.
Specific installation steps are as follows：
Step a, by instrumentation tubes group 33 pass through the working hole group 32 on sealing plate 3 and to instrumentation tubes group 33 and sealing plate 3 it
Between bury and fill out the second sealant 34 and be sealed；
Step b, installation part 4 is mounted on sealing plate 3；
Step c, water pump is suspended on the installation part 4 of 3 bottom of sealing plate and is installed with corresponding instrumentation tubes；
Step d, sealing plate 3 is mounted on by installation part 4 in well casing 1；
Step e, it is buried to the gap between sealing plate 3 and well casing 1 and fills out the first sealant 31 and be sealed；
Step f, third sealant 35 is filled on sealing plate 3 and the first sealant 31, then is noted on third sealant 35
Enter water layer 36.
Using this method, every layer of step can be directly efficiently completed, and construction procedure connection and reasonable arrangement, largely
Save labour, and the efficient construction time for having saved installation vacuum well sealing device.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (9)
1. a kind of novel evacuated well sealing device is mounted on well casing（1）It is interior, it is characterised in that：Including being mounted on well casing（1）Interior
Sealing plate（3）, be fixedly connected on sealing plate（3）On installation part（4）And it is located at sealing plate（3）With well casing（1）Between
One sealant（31）, sealing plate（3）It is upper to run through the working hole group having vertically（32）, working hole group（32）Inside it is respectively set
There is instrumentation tubes group（33）, instrumentation tubes group（33）With sealing plate（3）Between be equipped with the second sealant（34）.
2. a kind of novel evacuated well sealing device according to claim 1, it is characterised in that：First sealant（31）
With the second sealant（34）It is fat clay.
3. a kind of novel evacuated well sealing device according to claim 1, it is characterised in that：The sealing plate（3）With
One sealant（31）Upper landfill has third sealant（35）.
4. a kind of novel evacuated well sealing device according to claim 3, it is characterised in that：The third sealant（35）
For fat clay, water layer is marked on fat clay（36）.
5. a kind of novel evacuated well sealing device according to claim 1, it is characterised in that：The sealing plate（3）Top
Portion is fixed with nut at three（37）, nut（37）Side be fixedly welded on sealing plate（3）On；Installation part（4）Equipped with correspondence
Three, installation part（4）Connecting rod including middle part（41）, be fixedly connected on connecting rod（41）The hook of one end（42）And it is solid
Surely it is connected to connecting rod（41）The key chain of the other end（43）, key chain（43）It is fastened on nut（37）Nut bore on, hook
（42）It hooks in well casing（1）On the tube wall at top.
6. a kind of novel evacuated well sealing device according to claim 5, it is characterised in that：The working hole group（32）Packet
Include vacuum hole（321）, drain tube holes（322）, vacuum meter hole（323）, cable aperture（324）And water level observation hole（325）, work
Pipe group（33）With sealing plate（3）Between pass through the second sealant（34）It is sealed, including is each passed through working hole group（32）'s
Vacuum tube（331）, drainpipe（332）, vacuum meter pipe（333）, cable tube（334）With water level observation pipe（335）；Vacuum tube
（331）From well room（5）Side-wall outer side passes through well room（5）And sealing plate（3）Stretch into well casing（1）It is interior；Drainpipe（332）From well room
（5）Side-wall outer side passes through well room（5）And sealing plate（3）Stretch into well casing（1）And it is connected with water pump；Vacuum meter pipe（333）From well casing
（1）Inside extend to well room（5）It is interior, extend to well room（5）Interior one end is sealedly connected with vacuum meter；Cable tube（334）From well room（5）Side
Well room is passed through on the outside of wall（5）And sealing plate（3）Stretch into well casing（1）It is interior to be connect with water pump；Water level observation hole（325）It is connected with ball
Valve.
7. a kind of novel evacuated well sealing device according to claim 6, it is characterised in that：The sealing plate（3）Bottom
Portion is fixedly welded with the nut of the same manner placement（37）, the nut（37）On be connected with installation part（4）, key chain（43）It fastens
In the nut（37）On, water pump is mounted on the installation part（4）Hook（42）On.
8. a kind of novel evacuated well sealing device according to claim 1, it is characterised in that：The well casing（1）Lateral wall
Bury and be filled with wellhead sealing layer（2）, wellhead sealing layer（2）For fat clay；Wellhead sealing layer（2）Top be less than well casing
（1）Top.
9. a kind of novel evacuated well sealing device according to claim 8, it is characterised in that：The well casing（1）Top
It is fixed with well room（5）, well room（5）It is cylindrical in shape, well room（5）Top flushed with ground, well room（5）Low side and wellhead sealing
Layer（2）Top flush, well casing（1）Nozzle stretch into well room（5）It is interior；Well room（5）Top be covered with casting iron well lid（51）, well
Room（5）With casting iron well lid（51）Between be equipped with pitch（52）Carry out edge sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820037080.1U CN208009457U (en) | 2018-01-09 | 2018-01-09 | A kind of novel evacuated well sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820037080.1U CN208009457U (en) | 2018-01-09 | 2018-01-09 | A kind of novel evacuated well sealing device |
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| Publication Number | Publication Date |
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| CN208009457U true CN208009457U (en) | 2018-10-26 |
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ID=63882685
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820037080.1U Active CN208009457U (en) | 2018-01-09 | 2018-01-09 | A kind of novel evacuated well sealing device |
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| CN (1) | CN208009457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222042A (en) * | 2018-01-09 | 2018-06-29 | 北京地矿工程建设有限责任公司 | A kind of novel evacuated well sealing device and its installation method |
-
2018
- 2018-01-09 CN CN201820037080.1U patent/CN208009457U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222042A (en) * | 2018-01-09 | 2018-06-29 | 北京地矿工程建设有限责任公司 | A kind of novel evacuated well sealing device and its installation method |
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