CN204959781U - Dewatering well plugging device - Google Patents
Dewatering well plugging device Download PDFInfo
- Publication number
- CN204959781U CN204959781U CN201520745197.1U CN201520745197U CN204959781U CN 204959781 U CN204959781 U CN 204959781U CN 201520745197 U CN201520745197 U CN 201520745197U CN 204959781 U CN204959781 U CN 204959781U
- Authority
- CN
- China
- Prior art keywords
- steel
- steel pipe
- seal ring
- pipe socket
- wall
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 86
- 239000010959 steel Substances 0.000 claims abstract description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 18
- 239000004567 concrete Substances 0.000 claims description 9
- 239000004575 stone Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 8
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- 230000009977 dual effect Effects 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000003673 groundwater Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
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- Revetment (AREA)
Abstract
The utility model discloses a dewatering well plugging device, including steel pipe cover and steel well cap, the upper portion welding of steel pipe cover has the seal ring, and the stagnant water steel sheet has been placed to this seal ring two parts on being fixed in steel pipe cover inner wall and outer wall on the seal ring on the steel pipe cover inner wall, and steel well cap overlaps the top at the steel pipe, and this steel well cap is equipped with vertical decurrent border all around, and the border card is on the seal ring of steel pipe cover outer wall. The utility model discloses a stagnant water steel sheet and steel well cap carry out dual shutoff, and the shutoff is tight, and stable in structure effectively avoids the infiltration phenomenon of leaking, and the shutoff is effectual, and the efficiency of construction is high, are worth promoting.
Description
Technical field
The utility model belongs to construction engineering technical field, is specifically related to a kind of plugging dewatering well device.
Background technology
In construction work, be ensure foundation ditch smooth construction, need to set dewatering well to reduce groundwater level, during construction, water pump is put into dewatering well groundwater abstraction and then take out pump and carry out plugging dewatering well.But the raising day by day required along with building operations and building foundation pit require that the shutoff difficulty of dewatering well is increasing, and shutoff sternly will not have a strong impact on construction quality constantly to ground downward-extension.
Utility model content
For making up the deficiencies in the prior art, the utility model provides the plugging dewatering well device that construction is simple, shutoff is tight.
The utility model is achieved by the following technical solution:
A kind of plugging dewatering well device, comprise steel pipe socket and steel well cap, its special character is: described steel pipe socket upper weld has seal ring, and this seal ring comprises the two parts be fixed on steel pipe socket inner and outer wall, and the seal ring on steel pipe socket inwall is placed with steel plate for sealing water; Described steel well cap is at steel pipe socket top, and this steel well cap surrounding is provided with edge straight down, and edge is stuck on the seal ring of steel pipe socket outer wall.
Plugging dewatering well device of the present utility model, described steel plate for sealing water adopts the thick circular steel plate of 3mm to make, this steel plate for sealing water and between seal ring and steel pipe socket by being welded and fixed shutoff.
Further, plugging dewatering well device of the present utility model, described steel well cap adopts the thick circular steel plate of 3mm to make, and edge adopts the thick steel sleeve of 3mm to make, and the seal ring of edge and steel pipe socket outer wall is fixedly connected by welding.
Further, plugging dewatering well device of the present utility model, fills stone, fine sand, waterproof concrete in described steel pipe socket from bottom to up successively, wherein waterproof concrete to be cast in below steel plate for sealing water and above steel plate for sealing water to well head part.
The beneficial effects of the utility model are: the utility model carries out dual-plugging by steel plate for sealing water and steel well cap, seal ring carries out welding respectively and ensure that the tight and Stability Analysis of Structures of shutoff inside and outside steel pipe socket, and effectively avoid infiltration phenomenon of leaking, plugging effect is good, efficiency of construction is high, is worthy to be popularized.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
In figure, 1 steel pipe socket, 2 steel well caps, 3 seal rings, 4 steel plate for sealing water, 5 edges, 6 stones, 7 fine sands, 8 waterproof concretes.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing is a kind of detailed description of the invention of the present utility model.This embodiment comprises steel pipe socket 1 and steel well cap 2, steel pipe socket 1 upper weld has seal ring 3, this seal ring 3 comprises the two parts be fixed on steel pipe socket 1 inner and outer wall, seal ring 3 on steel pipe socket 1 inwall is placed with steel plate for sealing water 4, the circular steel plate that steel plate for sealing water 4 adopts 3mm thick is made, this steel plate for sealing water 4 and between seal ring 3 and steel pipe socket 1 by being welded and fixed shutoff; Steel well cap 2 covers at steel pipe socket 1 top, this steel well cap 2 surrounding is provided with edge 5 straight down, edge 5 is stuck on the seal ring 3 of steel pipe socket 1 outer wall, the circular steel plate that steel well cap 2 adopts 3mm thick is made, the steel sleeve that edge 5 adopts 3mm thick is made, and edge 5 is fixedly connected by welding with the seal ring 3 of steel pipe socket 1 outer wall.Fill stone 6, fine sand 7, waterproof concrete 8 successively from bottom to up in steel pipe socket 1, wherein waterproof concrete 8 to be cast in below steel plate for sealing water 4 and above steel plate for sealing water 4 to well head part.
The present embodiment comprises the following steps when constructing:
(1) in dewatering well steel pipe socket 1 fill-in well before distance well head 600mm place in the wide seal ring 3 of external welding 150mm;
(2) after precipitation stops, extracting water pump out rapidly, fill dewatering well to distance well head 2m depths with stone;
(3) continue to fill 800mm with fine sand, be filled to interior seal ring 3 place with C40P6 microdilatancy water-tight concrete;
(4) seal ring 3 on steel pipe socket 1 inwall places steel plate for sealing water 4 and seals well head, then flush with well head at well head place perfusion C40P6 water-tight concrete;
(5) steel well cap 2 covers well head, and the seal ring 3 that edge 5 is stuck in steel pipe socket 1 outer wall is fixed by welding.
Claims (4)
1. a plugging dewatering well device, comprise steel pipe socket (1) and steel well cap (2), it is characterized in that: described steel pipe socket (1) upper weld has seal ring (3), this seal ring (3) comprises the two parts be fixed on steel pipe socket (1) inner and outer wall, and the seal ring (3) on steel pipe socket (1) inwall is placed with steel plate for sealing water (4); Described steel well cap (2) is covered at steel pipe socket (1) top, and this steel well cap (2) surrounding is provided with edge (5) straight down, and edge (5) are stuck on the seal ring (3) of steel pipe socket (1) outer wall.
2. a kind of plugging dewatering well device according to claim 1, is characterized in that: described steel plate for sealing water (4) adopts the thick circular steel plate of 3mm to make, this steel plate for sealing water (4) and between seal ring (3) and steel pipe socket (1) by being welded and fixed shutoff.
3. a kind of plugging dewatering well device according to claim 1 and 2, it is characterized in that: described steel well cap (2) adopts the thick circular steel plate of 3mm to make, edge (5) adopts the thick steel sleeve of 3mm to make, and edge (5) are fixedly connected by welding with the seal ring (3) of steel pipe socket (1) outer wall.
4. a kind of plugging dewatering well device according to claim 1 and 2, it is characterized in that: fill stone (6), fine sand (7), waterproof concrete (8) in described steel pipe socket (1) from bottom to up successively, wherein waterproof concrete (8) is cast in above steel plate for sealing water (4) below and steel plate for sealing water (4) to well head part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520745197.1U CN204959781U (en) | 2015-09-24 | 2015-09-24 | Dewatering well plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520745197.1U CN204959781U (en) | 2015-09-24 | 2015-09-24 | Dewatering well plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204959781U true CN204959781U (en) | 2016-01-13 |
Family
ID=55054856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520745197.1U Expired - Fee Related CN204959781U (en) | 2015-09-24 | 2015-09-24 | Dewatering well plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204959781U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869116A (en) * | 2019-03-07 | 2019-06-11 | 东北大学 | A dewatering well plugging structure and construction method thereof |
| CN110820780A (en) * | 2019-11-27 | 2020-02-21 | 中冶天工集团天津有限公司 | Combined plugging device and method for high-water-pressure-drop water well |
| CN114150684A (en) * | 2021-12-29 | 2022-03-08 | 广东省基础工程集团有限公司 | Plugging device for dewatering well and construction method |
| CN114427233A (en) * | 2022-03-01 | 2022-05-03 | 中国建筑第八工程局有限公司 | Precipitation wellhead plugging device and construction method thereof |
| CN115787691A (en) * | 2022-12-01 | 2023-03-14 | 中建八局第二建设有限公司 | Construction method of well plugging device for dewatering well in underground water rich area |
-
2015
- 2015-09-24 CN CN201520745197.1U patent/CN204959781U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869116A (en) * | 2019-03-07 | 2019-06-11 | 东北大学 | A dewatering well plugging structure and construction method thereof |
| CN110820780A (en) * | 2019-11-27 | 2020-02-21 | 中冶天工集团天津有限公司 | Combined plugging device and method for high-water-pressure-drop water well |
| CN114150684A (en) * | 2021-12-29 | 2022-03-08 | 广东省基础工程集团有限公司 | Plugging device for dewatering well and construction method |
| CN114427233A (en) * | 2022-03-01 | 2022-05-03 | 中国建筑第八工程局有限公司 | Precipitation wellhead plugging device and construction method thereof |
| CN115787691A (en) * | 2022-12-01 | 2023-03-14 | 中建八局第二建设有限公司 | Construction method of well plugging device for dewatering well in underground water rich area |
| CN115787691B (en) * | 2022-12-01 | 2024-05-03 | 中建八局第二建设有限公司 | Construction method of dewatering well sealing device in groundwater rich area |
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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: 20160113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |