CN220768140U - High pressure drop well plugging device - Google Patents
High pressure drop well plugging device Download PDFInfo
- Publication number
- CN220768140U CN220768140U CN202322561420.4U CN202322561420U CN220768140U CN 220768140 U CN220768140 U CN 220768140U CN 202322561420 U CN202322561420 U CN 202322561420U CN 220768140 U CN220768140 U CN 220768140U
- Authority
- CN
- China
- Prior art keywords
- water
- water stop
- stopping
- collar
- ring
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000004927 clay Substances 0.000 claims abstract description 10
- 238000001556 precipitation Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000011888 foil Substances 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001365789 Oenanthe crocata Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model discloses a high pressure drop well plugging device, and belongs to the field of buildings. The device comprises a dewatering well pipe, wherein the lower part of the dewatering well pipe is a clay filling section, and the upper part of the clay filling section is a micro-expansion concrete filling section; the upper part of the micro-expansion concrete filling section is provided with a water stop sleeve ring, and a high-pressure air bag is arranged in the water stop sleeve ring; an inner water-stopping wing ring and an outer water-stopping wing ring are respectively arranged inside and outside the water-stopping collar; a quick hardening grouting material grouting section is arranged above the inner water stop wing ring in the water stop collar, and a sealing steel plate is arranged above the quick hardening grouting material grouting section in the water stop collar; the top of the water stop collar is sealed by a blind steel plate, a rubber sealing gasket and a bolt, and is provided with a high-grade micro-expansion concrete filling part. The utility model has simple manufacture, adopts a plurality of dewatering wells for plugging, improves the plugging effect of the high-pressure dewatering well, and reduces the construction period.
Description
Technical Field
The utility model relates to the field of buildings, in particular to a plugging device for a high-pressure drop well.
Background
In the design of a deep foundation pit, a dewatering well is additionally arranged, well water is pumped out from the dewatering well, so that the underground water level is lowered, and the construction is convenient. And after the construction is completed, plugging the dewatering well.
The traditional dewatering well is plugged by filling a dewatering well pipe with concrete, and the upper end of the dewatering well pipe is plugged by a steel blind plate, a rubber sealing gasket and a bolt. However, when the water pressure of the dewatering well is high, water flow easily breaks up the concrete of the dewatering well pipe, so that the plugging quality of the dewatering well is reduced.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the high-pressure drop well plugging device which is simple to manufacture, adopts a plurality of dewatering wells for plugging, improves the plugging effect of the high-pressure drop well, and reduces the construction period.
The technical scheme provided by the utility model is as follows:
the high pressure drop well plugging device comprises a dewatering well pipe, wherein the lower part of the dewatering well pipe is a clay filling section, and the upper part of the clay filling section is a micro-expansion concrete filling section; the upper part of the micro-expansion concrete filling section is provided with a water stop sleeve ring, and a high-pressure air bag is arranged in the water stop sleeve ring; an inner water-stopping wing ring and an outer water-stopping wing ring are respectively arranged inside and outside the water-stopping collar; a quick hardening grouting material grouting section is arranged above the inner water stop wing ring in the water stop collar, and a sealing steel plate is arranged above the quick hardening grouting material grouting section in the water stop collar; the top of the water stop collar is sealed by a blind steel plate, a rubber sealing gasket and a bolt, and is provided with a high-grade micro-expansion concrete filling part.
Furthermore, the bottom end of the water stop collar is sleeved on the outer side of the top end of the dewatering well pipe and is tightly compacted, and the sleeved length of the water stop collar and the dewatering well pipe is not smaller than a set length value.
Further, the bottom end of the high-pressure air bag is pressed on the top end of the dewatering well pipe, and the top end of the high-pressure air bag is propped against the lower end of the inner water stop wing ring.
Further, the outer water stop wing ring is provided with a plurality of layers, and water stop glue is arranged at the outer water stop wing ring.
Further, the water-stop lantern ring is made of steel, the outer water-stop wing ring is welded outside the water-stop lantern ring, and the inner water-stop wing ring and the sealing steel plate are welded inside the water-stop lantern ring.
Further, the rubber sealing gasket is arranged above the upper end plate of the water stopping collar, the blind steel plate is arranged above the rubber sealing gasket, and the upper end plate of the water stopping collar, the rubber sealing gasket and the blind steel plate are connected and sealed through bolts.
Further, the upper end plate, the rubber sealing gasket, the blind steel plate and the bolts of the water stop collar are wrapped inside the high-grade micro-expansion concrete filling part, and the thickness of the high-grade micro-expansion concrete filling part is not smaller than a set thickness value.
The utility model has the following beneficial effects:
the utility model has simple manufacture, adopts a plurality of dewatering wells for plugging, improves the plugging effect of the high-pressure dewatering well, and reduces the construction period.
Drawings
Fig. 1 is a schematic diagram of the plugging device for the high-pressure drop water well.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model provides a high pressure drop well plugging device, as shown in figure 1, comprising a precipitation well pipe 1, wherein clay is put into the lower part of the precipitation well pipe 1 to be filled to form a clay filled section 2, and micro-expansion concrete is put into the upper part of the clay filled section 2 to be filled to form a micro-expansion concrete filled section 3; the clay filling section 1 and the micro-expansion concrete filling section 2 serve as a first plugging.
The upper part of the micro-expansion concrete filling section 3 is provided with a water stop collar 4, and a high-pressure air bag 5 is arranged in the water stop collar 4 and used as a second plugging.
An inner water-stopping wing ring 6 and an outer water-stopping wing ring 7 are respectively arranged inside and outside the water-stopping collar 4 and used as a third plugging.
The inside quick hardening grouting material that fills of sealing up lantern ring 4 is inside in the upper portion of sealing up hydrofoil ring 6, forms quick hardening grouting material and fills real section 8 to sealing up lantern ring 4 is inside to be provided with sealed steel sheet 9 in quick hardening grouting material filling real section 8 top. And (3) pouring the quick hardening grouting material, and sealing the grouting material by using a steel plate to serve as a fourth plugging.
The top of the water-stop collar 4 is sealed by a blind steel plate 10, a rubber sealing gasket 11 and a bolt 12, and the sealing part of the top of the water-stop collar 4 is filled with high-grade micro-expansion concrete to form a high-grade micro-expansion concrete filling part 13 which is used as a fifth plugging.
Compared with the prior art, the utility model has the advantages that the manufacture is simple, the plugging effect of the high-pressure drop well is improved by adopting a plurality of dewatering wells for plugging, and the construction period is shortened.
Specifically, the bottom end of the water stop collar 4 is sleeved on the outer side of the top end of the precipitation well pipe 1 and tightly compacted, the sleeve joint length of the water stop collar 4 and the precipitation well pipe 1 is not smaller than a set length value, the sufficient sleeve joint length is ensured, and no overflow of the well pipe is ensured.
As a specific implementation, the inner water stop ring 6 is located above the high pressure air bag 5, so that the bottom end of the high pressure air bag 5 presses against the top end of the precipitation well pipe 1, and the top end of the high pressure air bag 5 abuts against the lower end of the inner water stop ring 6.
In order to improve the water stopping effect, the outer water stopping foil ring 7 is provided with a plurality of layers, and water stopping glue 14 is arranged at the outer water stopping foil ring 7.
In one example, the water stop collar 4 is made of steel, the outer water stop foil ring 7 is welded outside the water stop collar 4, and the inner water stop foil ring 6 and the sealing steel plate 9 are welded inside the water stop collar 4.
The rubber gasket 11 is arranged above the upper end plate 15 of the water stop collar 4, the blind steel plate 10 is arranged above the rubber gasket 11, and the upper end plate 15 of the water stop collar 4, the rubber gasket 11 and the blind steel plate 10 are connected and sealed through bolts 12.
The upper end plate 15, the rubber packing 11, the blind steel plate 10 and the bolts 12 of the water stop collar 4 are wrapped inside the high-grade micro-expansive concrete filled portion 13, and the thickness of the high-grade micro-expansive concrete filled portion 13 is not smaller than a set thickness value, for example, not smaller than 250mm.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (7)
1. The high pressure drop well plugging device is characterized by comprising a dewatering well pipe, wherein the lower part of the dewatering well pipe is a clay filling section, and the upper part of the clay filling section is a micro-expansion concrete filling section; the upper part of the micro-expansion concrete filling section is provided with a water stop sleeve ring, and a high-pressure air bag is arranged in the water stop sleeve ring; an inner water-stopping wing ring and an outer water-stopping wing ring are respectively arranged inside and outside the water-stopping collar; a quick hardening grouting material grouting section is arranged above the inner water stop wing ring in the water stop collar, and a sealing steel plate is arranged above the quick hardening grouting material grouting section in the water stop collar; the top of the water stop collar is sealed by a blind steel plate, a rubber sealing gasket and a bolt, and is provided with a high-grade micro-expansion concrete filling part.
2. The high-pressure drop well plugging device according to claim 1, wherein the bottom end of the water stopping collar is sleeved outside the top end of the precipitation well pipe and tightly compacted, and the sleeved length of the water stopping collar and the precipitation well pipe is not smaller than a set length value.
3. The high-pressure drop well plugging device according to claim 2, wherein the bottom end of the high-pressure air bag is pressed on the top end of the dewatering well pipe, and the top end of the high-pressure air bag is propped against the lower end of the inner water stopping wing ring.
4. A high pressure drop well plugging device according to claim 3 wherein said outer water stop ring has a plurality of layers, and water stop glue is provided at said outer water stop ring.
5. The high-pressure drop well plugging device according to claim 4, wherein the water-stopping collar is made of steel, the outer water-stopping wing ring is welded outside the water-stopping collar, and the inner water-stopping wing ring and the sealing steel plate are welded inside the water-stopping collar.
6. The high-pressure drop well plugging device according to claim 5, wherein the rubber gasket is disposed above an upper end plate of the water stop collar, the blind steel plate is disposed above the rubber gasket, and the upper end plate of the water stop collar, the rubber gasket and the blind steel plate are sealed by the bolting.
7. The high-pressure drop well plugging device according to claim 6, wherein the upper end plate, the rubber gasket, the blind steel plate and the bolts of the water stop collar are wrapped inside the high-grade micro-expansive concrete filled part, and the thickness of the high-grade micro-expansive concrete filled part is not smaller than a set thickness value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322561420.4U CN220768140U (en) | 2023-09-20 | 2023-09-20 | High pressure drop well plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322561420.4U CN220768140U (en) | 2023-09-20 | 2023-09-20 | High pressure drop well plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220768140U true CN220768140U (en) | 2024-04-12 |
Family
ID=90620366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322561420.4U Active CN220768140U (en) | 2023-09-20 | 2023-09-20 | High pressure drop well plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220768140U (en) |
-
2023
- 2023-09-20 CN CN202322561420.4U patent/CN220768140U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103343543B (en) | Foundation pit dewatering well pressure-reduction-type plugging method | |
| CN207727600U (en) | Plugging dewatering well device | |
| CN202970602U (en) | Plugging structure of high-rise building deep foundation pit large water volume tube well | |
| CN203429649U (en) | Pressure reducing type blocking device of foundation pit dewatering well | |
| CN203514333U (en) | Basement soleplate precipitation well mouth blocking sleeve | |
| CN105780792B (en) | A kind of foundation pit high water head Dewatering by pressure reduction well shut-in well method and structure of shunting in a well | |
| CN202466631U (en) | Prefabricated reinforced concrete inspection well and die thereof | |
| CN112917660B (en) | Efficient anti-blocking backflow grouting pipe and method | |
| CN204491645U (en) | A kind of deep foundation pit precipitation well-sealing device | |
| CN220768140U (en) | High pressure drop well plugging device | |
| CN204532411U (en) | A kind of extension type flushing type gas drainage hole-sealing device | |
| CN215669621U (en) | High pressure precipitation well plugging device | |
| CN111456680A (en) | Self-sealing type grouting and well sealing device | |
| CN204703180U (en) | A kind of foundation pit dewatering well-sealing device | |
| CN216922078U (en) | Reusable hole packer for underground coal mine gas extraction drill hole | |
| CN205400670U (en) | Grouting tube | |
| CN208830336U (en) | A kind of reserved plugging device of deep foundation pit precipitation pipe well basement structure bottom plate | |
| CN207608935U (en) | A kind of basement bottom board water seepage treatment device | |
| CN215562734U (en) | Well plugging structure of dewatering well | |
| CN220266611U (en) | Novel drain well plugging device | |
| CN215406137U (en) | Basement precipitation vacuum deep well structure | |
| CN205276330U (en) | Construction equipment of diaphragm wall antiseep nature | |
| CN220620223U (en) | Waterproof structure of raft foundation penetrating bottom plate pipe well | |
| CN219621812U (en) | Pipe well plugging structure | |
| CN218843144U (en) | Deep basal pit high water pressure drop well block structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |