CN216238605U - Well plugging device for dewatering well - Google Patents
Well plugging device for dewatering well Download PDFInfo
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- CN216238605U CN216238605U CN202122008922.5U CN202122008922U CN216238605U CN 216238605 U CN216238605 U CN 216238605U CN 202122008922 U CN202122008922 U CN 202122008922U CN 216238605 U CN216238605 U CN 216238605U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 79
- 239000010959 steel Substances 0.000 claims abstract description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000001556 precipitation Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000002023 wood Substances 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000003673 groundwater Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model discloses a well plugging device for a dewatering well, which comprises a steel pipe, an annular water stop steel plate, a plugging plate, a supporting rod, a guide pipe and a wood wedge, wherein the steel pipe is connected with the annular water stop steel plate; the lower end of the steel pipe is inserted into the precipitation well and fixedly connected with the precipitation well, and the annular water stop steel plate is sleeved in the middle of the steel sleeve; one end of each support rod is bent to form a hook, the other end of each support rod is fixed on the upper side of the plugging plate, at least two support rods are symmetrically arranged on the plugging plate, and the hooks face outwards; the plugging plate is provided with a through hole which penetrates through the upper side and the lower side of the plugging plate, one end of the conduit is fixed on the plugging plate and is communicated with the through hole, and the wooden wedge is detachably arranged at the other end of the conduit to seal the conduit; the plugging plate is placed in the precipitation well, and the hook is hung on the upper edge of the steel pipe. The device has simple structure, convenient manufacture, less material consumption, energy saving, environmental protection and low cost, and can directly adopt building waste for secondary utilization; the well sealing operation is simple, the construction is reliable, the successful plugging of the dewatering well can be ensured, and the problem of high ground water pressure during well sealing is effectively solved.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a dewatering well sealing device suitable for a position with higher water pressure of a basement.
Background
When the basement bottom plate dewatering well is plugged, if the water pressure of the basement is high (when the water level of the basement is high or the water pressure in the dewatering well is plugged sequentially), the water pressure is easy to fail. Plugging a traditional dewatering well: the steel pipe that is equipped with the flange ring is set up in basement floor structure construction, treats that the major structure construction is accomplished and satisfies the shut-in condition, selects the lower non-rainwater weather of water level to shut-in. Firstly, a water pump is used for lowering the water level in a precipitation well to the bottom of the well and quickly lifting the water pump out of the well; then pouring quick-setting concrete until the bottom of the bottom plate is flat and vibrating one side of the bottom plate by using a small vibrating bar; secondly, after the first poured concrete is finally set, pouring concrete with the same label as the bottom plate for the second time; and finally, welding and sealing the preset steel pipe by using a circular iron plate. However, when the water pressure in the basement dewatering well is high (the water level is high, or the situation can exist in a plurality of finally plugged water collecting wells), the poured quick-setting concrete is punched without being solidified in time, so that the traditional dewatering well is directly failed to be plugged, and the existing dewatering well equipment is difficult to seal the well.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a dewatering well sealing device.
The utility model is realized by the following technical scheme: a well plugging device of a dewatering well comprises a steel pipe, an annular water stop steel plate, a plugging plate, a support rod, a guide pipe and a wood wedge; the lower end of the steel pipe is inserted into the precipitation well and fixedly connected with the precipitation well, the steel pipe is positioned at the excavated part of the basement bottom plate above the precipitation well, the basement bottom plate surrounds the steel pipe, and the annular water stop steel plate is sleeved in the middle of the steel pipe and positioned in the basement bottom plate; one end of each support rod is bent to form a hook, the other end of each support rod is fixed on the upper side of the plugging plate, at least two support rods are arranged and symmetrically arranged on the plugging plate, and the hooks face outwards; the number of the steel pipes is matched with that of the support rods; the blocking plate is provided with a through hole which penetrates through the upper side and the lower side of the blocking plate, one end of the conduit is fixed on the blocking plate and is communicated with the through hole, and the wood wedge is detachably arranged at the other end of the conduit to seal the conduit; the plugging plate is placed in a precipitation well, and the hook is hung on the upper edge of the steel pipe; when the well is sealed, concrete added with the micro-expanding agent is poured in the space inside the steel pipe, and a top plate for sealing the concrete is arranged at the upper part of the steel pipe.
The steel pipe and the hook of the support rod can fix the device on a dewatering well; the through hole and the guide pipe are designed in a matched manner, so that water in the precipitation well can be pumped away through an external water pump; the conduit is sealed by the wood wedge, so that water backflow or other objects are prevented from entering the conduit; the concrete added with the micro-expanding agent can ensure that the well sealing in the precipitation well is tighter.
The plugging plate is a circular steel plate with the thickness of 10mm, the diameter of the circular steel plate is 1cm smaller than the caliber of the dewatering well, and the through hole is located in the center of the plugging plate. The diameter of the plugging plate is 1cm smaller than the caliber of the precipitation well, so that the plugging plate can smoothly pass through the precipitation well mouth.
The supporting rod is a steel bar, one end of the supporting rod is bent to form a vertical mounting part, the other end of the supporting rod is bent to form the hook, and the hook and the supporting rod form an acute included angle; the installation department with the couple is located respectively a set of group of bracing piece is to the side, the installation department is inside, the couple is outwards and hangs the last edge of steel pipe. The supporting rod is a steel bar, so that the device is higher in rigidity and strength. The setting of installation department can have great connection area with the shutoff board, and the steadiness is high.
Constitute the length of the whole reinforcing bar of bracing piece is 2m, and the diameter is 12mm, and the back of buckling, installation department length is 60mm, the length of couple is 100 mm.
The four support rods form two groups respectively, each group of support rods are symmetrically arranged on a pair of side edges of the plugging plate respectively, the center of the plugging plate is used as the circle center, and the adjacent support rods are perpendicular to each other.
The diameter of the through hole is 20mm, the conduit is a galvanized thin-wall wire tube with the diameter of 20mm, and the end of the conduit is welded at the through hole of the plugging plate.
The top plate is a water stopping steel plate, the thickness of the water stopping steel plate is 10mm, and a welding seam between the top plate and the steel pipe is continuous full welding.
Compared with the prior art, the utility model has the advantages that: the device has simple structure, convenient manufacture, less material consumption, energy saving, environmental protection and low cost, and can directly adopt building waste for secondary utilization; the well sealing operation is simple, the construction is reliable, the successful plugging of the dewatering well can be ensured, and the problem of high ground water pressure during well sealing is effectively solved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of an embodiment of the present invention when cutting off an overlong steel bar and a guide pipe and plugging the guide pipe with a wooden wedge;
FIG. 3 is a schematic structural view of the embodiment of the present invention when the top sealing plate is installed after the concrete is poured for the second time;
FIG. 4 is a schematic structural diagram of a support bar according to an embodiment of the present invention;
FIG. 5 is a top view of a support bar mounted to a blanking plate according to an embodiment of the present invention;
fig. 6 is a side view of a support rod mounted to a blanking plate according to an embodiment of the present invention.
The reference numerals in the drawings mean: 1. an annular water stop steel plate; 2. a plugging plate; 21. a through hole; 3. a support bar; 31. hooking; 32. an installation part; 4. a conduit; 5. a top plate; 6. dewatering wells; 7. a basement floor; 71. A plate bottom; 72. plate top; 8. quickly hardening concrete; 9. concrete; 10. a steel pipe; 11. and (4) wood wedges.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Examples
Referring to fig. 1 to 6, a well sealing device for a dewatering well comprises a steel pipe 10, an annular water stop steel plate 1, a plugging plate 2, a support rod 3, a conduit 4 and a wood wedge 11; the lower end of a steel pipe 10 is inserted into the precipitation well 6 and fixedly connected with the precipitation well 6, the steel pipe 10 is positioned at the excavated part of the basement bottom plate 7 above the precipitation well 6, the basement bottom plate 7 surrounds the steel pipe 10, and the annular water stop steel plate 1 is sleeved in the middle of the steel pipe 10 and positioned in the basement bottom plate 7; one end of the support rod 3 is bent to form a hook 31, the other end of the support rod is fixed on the upper side of the plugging plate 2, at least two support rods 3 are arranged and symmetrically arranged on the plugging plate 2, and the hooks 31 face outwards; the number of the steel pipes is 10, and the number of the steel pipes is matched with the number of the support rods is 3; the plugging plate 2 is provided with a through hole 21 which penetrates through the upper side and the lower side of the plugging plate 2, one end of the conduit 4 is fixed on the plugging plate 2 and is communicated with the through hole 21, and the wooden wedge 11 is detachably arranged at the other end of the conduit 4 to seal the conduit; the plugging plate 2 is placed in the dewatering well 6, and the hook 31 is hung on the upper edge of the steel pipe 10; when the well is sealed, concrete 9 added with micro-expansion agent is poured in the space inside the steel pipe 10, and the top plate 5 for sealing the concrete is arranged on the upper part of the steel pipe. In this embodiment, the precipitation well 6 is located below the basement floor 7, and when the device is installed, the basement floor 7 above the precipitation well 6 needs to be hollowed out, so that the steel pipe 10 is inserted into the precipitation well 6, and other structural components are installed. Before the annular water stop steel plate 1 is installed, the corresponding position of the basement bottom plate 7 needs to be dug away, and after the annular water stop steel plate is installed in place, the material is backfilled to be flat.
The steel pipe 10 and the hook 31 of the support rod 3 can fix the device on the precipitation well 6; the through hole 21 and the guide pipe 4 are designed in a matched manner, so that water in the dewatering well 6 can be pumped away by an external water pump; the wooden wedge 11 seals the conduit 4 to prevent water from flowing back or other objects from entering; the concrete 9 added with the micro-expansion agent can ensure that the well sealing in the dewatering well 6 is tighter.
The plugging plate 2 is a circular steel plate with the thickness of 10mm, the diameter of the circular steel plate is 1cm smaller than the caliber of the dewatering well 6, and the through hole 21 is positioned in the center of the plugging plate 2. The diameter of the plugging plate 2 is 1cm smaller than the diameter of the dewatering well 6, so that the plugging plate 2 can smoothly pass through the dewatering well 6.
The supporting rod 3 is a steel bar, one end of the supporting rod 3 is bent to form a vertical mounting part 32, the other end of the supporting rod 3 is bent to form a hook 31, and the hook 31 and the supporting rod 3 form an acute included angle; the mounting part 32 and the hook 31 are respectively positioned on a pair of paired side surfaces of the support rod 3, the mounting part 32 faces inwards, and the hook 31 faces outwards and is hung on the upper edge of the steel pipe 10. The supporting rod 3 is a steel bar and has higher rigidity and strength, so that the device is firmer. The installation part 32 can have a large connection area with the plugging plate 2, and the stability is high.
The length of the whole steel bar constituting the support rod 3 is 2m, the diameter is 12mm, the length of the installation part 32 is 60mm after bending, and the length of the hook 31 is 100 mm. Usually, the length of the whole steel bar is preferably equal to the thickness of the basement structure bottom plate plus one meter.
The number of the supporting rods 3 is four, the four supporting rods 3 form two groups respectively, each group of supporting rods 3 are symmetrically arranged on a pair of side edges of the plugging plate 2 respectively, the center of the plugging plate 2 is used as the circle center, and the adjacent supporting rods 3 are perpendicular to each other.
The diameter of the through hole 21 is 20mm, the guide pipe 4 is a galvanized thin-wall electric wire pipe with the diameter of 20mm, and the end of the guide pipe 4 is welded at the through hole 21 of the plugging plate 2.
The top plate 5 is a water steel plate, the thickness of the water steel plate is 10mm, and the welding seam between the top plate 5 and the steel pipe 10 is continuous full welding.
The embodiment is used for plugging the dewatering well 6 of the basement bottom plate 7, the basement bottom plate 7 comprises a plate top 72 and a plate bottom 71, the dewatering well 6 is a cement well pipe and is positioned below the plate bottom 71, a well head is exposed above the plate bottom 71, in the embodiment, the mouth of the dewatering well 6 is 50mm higher than the plate bottom, and the lower end of the annular water stop steel plate 1 extends into 150mm below the plate bottom 71. When the well is sealed, the dewatering well 6 below the plate bottom 71 is cast with quick-setting concrete 8, and the space above the plate bottom 71 and below the top plate 5 is cast with concrete 9 for the second time (the strength of the concrete 9 is the same as that of the basement bottom plate 7).
A use method of the dewatering well 6 well sealing device comprises the following steps:
the method comprises the following steps: pumping water from the dewatering well 6, placing the device into the dewatering well 6, and pumping water by connecting an external water pump and a hose with the conduit 4;
step two: casting quick-setting concrete 8, cutting off overlong reinforcing steel bars of the support rods 3, and blocking the guide pipes 4 by using wood wedges 11;
step three: and pouring concrete 9 for the second time, and then, fully welding the top plate 5, the top plate 5 and the annular water stop steel plate 1 continuously.
When using this device, need to pay attention to:
1) the water pumping operation is rapid before the dewatering well 6 is plugged, so that the water level is prevented from rising too fast.
2) The quick-setting concrete (8) is compacted by vibration during pouring so as to avoid the formation of concrete pores.
3) Plugging of the conduit 4 with the wooden wedge 11 should be performed after the final setting of the quick setting concrete.
4) The conduit 4 may be provided with a flange ring in the middle.
5) After the guide pipe 4 is blocked, the dewatering well 6 can be checked whether water seepage occurs or not, and the water seepage can be treated by methods such as leakage stoppage, grouting and the like.
6) Micro-expansion agent should be added to the secondary concrete pouring, and the weld top plate 5 is timely welded.
7) The welding seam of the welding seam top plate 5 is full and reliable, and the surface of the top plate 5 is 50mm lower than the structure of the plate top 72.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a precipitation well shut-in device which characterized in that: comprises a steel pipe, an annular water stop steel plate, a plugging plate, a support rod, a guide pipe and a wood wedge; the lower end of the steel pipe is inserted into the precipitation well and fixedly connected with the precipitation well, the steel pipe is positioned at the excavated part of the basement bottom plate above the precipitation well, the basement bottom plate surrounds the steel pipe, and the annular water stop steel plate is sleeved in the middle of the steel pipe and positioned in the basement bottom plate; one end of each support rod is bent to form a hook, the other end of each support rod is fixed on the upper side of the plugging plate, at least two support rods are arranged and symmetrically arranged on the plugging plate, and the hooks face outwards; the number of the steel pipes is matched with that of the support rods; the blocking plate is provided with a through hole which penetrates through the upper side and the lower side of the blocking plate, one end of the conduit is fixed on the blocking plate and is communicated with the through hole, and the wood wedge is detachably arranged at the other end of the conduit to seal the conduit; the plugging plate is placed in a precipitation well, and the hook is hung on the upper edge of the steel pipe; when the well is sealed, concrete added with the micro-expanding agent is poured in the space inside the steel pipe, and a top plate for sealing the concrete is arranged at the upper part of the steel pipe.
2. The dewatering well shut-in device according to claim 1, wherein: the plugging plate is a circular steel plate with the thickness of 10mm, the diameter of the circular steel plate is 1cm smaller than the caliber of the dewatering well, and the through hole is located in the center of the plugging plate.
3. The dewatering well shut-in device according to claim 1, wherein: the supporting rod is a steel bar, one end of the supporting rod is bent to form a vertical mounting part, the other end of the supporting rod is bent to form the hook, and the hook and the supporting rod form an acute included angle; the installation department with the couple is located respectively a set of group of bracing piece is to the side, the installation department is inside, the couple is outwards and hangs the last edge of steel pipe.
4. The dewatering well shut-in device according to claim 3, wherein: constitute the length of the whole reinforcing bar of bracing piece is 2m, and the diameter is 12mm, and the back of buckling, installation department length is 60mm, the length of couple is 100 mm.
5. The dewatering well shut-in device according to claim 4, wherein: the four support rods form two groups respectively, each group of support rods are symmetrically arranged on a pair of side edges of the plugging plate respectively, the center of the plugging plate is used as the circle center, and the adjacent support rods are perpendicular to each other.
6. The dewatering well shut-in device according to claim 1, wherein: the diameter of the through hole is 20mm, the conduit is a galvanized thin-wall wire tube with the diameter of 20mm, and the end of the conduit is welded at the through hole of the plugging plate.
7. The dewatering well shut-in device according to claim 1, wherein: the top plate is a water stopping steel plate, the thickness of the water stopping steel plate is 10mm, and a welding seam between the top plate and the steel pipe is continuous full welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122008922.5U CN216238605U (en) | 2021-08-24 | 2021-08-24 | Well plugging device for dewatering well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122008922.5U CN216238605U (en) | 2021-08-24 | 2021-08-24 | Well plugging device for dewatering well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216238605U true CN216238605U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122008922.5U Active CN216238605U (en) | 2021-08-24 | 2021-08-24 | Well plugging device for dewatering well |
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| Country | Link |
|---|---|
| CN (1) | CN216238605U (en) |
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2021
- 2021-08-24 CN CN202122008922.5U patent/CN216238605U/en active Active
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