CN216999806U - Plugging device for dewatering well in foundation pit - Google Patents
Plugging device for dewatering well in foundation pit Download PDFInfo
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- CN216999806U CN216999806U CN202220821686.0U CN202220821686U CN216999806U CN 216999806 U CN216999806 U CN 216999806U CN 202220821686 U CN202220821686 U CN 202220821686U CN 216999806 U CN216999806 U CN 216999806U
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Abstract
The utility model discloses a plugging device for a dewatering well in a foundation pit, which comprises a sleeve, an upper plugging plate and a lower plugging plate, wherein the upper plugging plate and the lower plugging plate are fixedly arranged at the upper part and the lower part in the sleeve respectively; an upper drainage hole and a plurality of exhaust holes are formed in the upper plugging plate, a lower drainage hole is formed in the lower plugging plate, a sealing plate is movably mounted at the bottom of the lower drainage hole, and the sealing plate is used for plugging the lower drainage hole; the outer wall of the sleeve is provided with an upper water stop ring and a lower water stop ring. The plugging component adopts an integrally-made structure, is simple and convenient in installation process, does not need secondary welding of a bottom plate, greatly simplifies construction steps, effectively improves construction efficiency, reduces construction cost, and has good plugging effect and strong device sealing performance.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to a plugging device for a dewatering well in a foundation pit.
Background
The foundation pit dewatering refers to dewatering work performed for ensuring that the foundation pit can be constructed under a dry condition and preventing slope instability, foundation quicksand, pit bottom uplift, pit bottom piping and foundation bearing capacity reduction when the underground water level is higher than the excavation bottom surface when the foundation pit is excavated. The foundation pit dewatering method mainly comprises open trench dewatering with a water collecting well, light well point dewatering, jet well point dewatering, electroosmosis well point dewatering, deep well point dewatering and the like.
The existing technology is mainly to arrange the dewatering well at the periphery of the foundation pit, and to carry out the plugging construction of the dewatering well after the fertilizer groove is backfilled, the construction period is longer, because the dewatering well is arranged at the periphery of the foundation pit, the dewatering well is deeper, the used materials are more during backfilling, the plugging construction quality is not easy to control, and the project construction cost and the construction quality are not easy to control.
SUMMERY OF THE UTILITY MODEL
The utility model provides a plugging device for a dewatering well in a foundation pit, which aims to solve the problems in the prior art.
The utility model provides a plugging device for a dewatering well in a foundation pit, which comprises a sleeve, an upper plugging plate and a lower plugging plate, wherein the upper plugging plate and the lower plugging plate are fixedly installed at the upper part and the lower part in the sleeve respectively; an upper drainage hole and a plurality of exhaust holes are formed in the upper plugging plate, a lower drainage hole is formed in the lower plugging plate, a sealing plate is movably mounted at the bottom of the lower drainage hole, and the sealing plate is used for plugging the lower drainage hole; the outer wall of the sleeve is provided with an upper water stop ring and a lower water stop ring.
Furthermore, a pull rod is arranged in the sleeve, the bottom end of the pull rod is movably connected with the sealing plate through a pull ring, the upper end of the pull rod extends out of the upper water discharge hole, a clamping groove is formed in the upper end of the pull rod, and the pull rod is used for driving the sealing plate to be opened or closed.
Furthermore, the pull rod is divided into an upper section and a lower section, and the upper section and the lower section of the pull rod are connected through a hinge shaft.
Furthermore, the clamping groove is of a triangular structure.
Furthermore, one end of the sealing plate is hinged to the bottom of the lower drainage hole.
Furthermore, the upper water discharge hole is formed in the center of the upper plugging plate, and the lower water discharge hole is formed in the center of the lower plugging plate.
The utility model has the advantages and positive effects that:
1. this precipitation well plugging device in foundation ditch, lower shutoff board and sleeve an organic whole are made, and the bottom is provided with drain hole and closing plate down, during the installation directly with the sleeve fix on the foundation ditch bed course at precipitation well position can, simplified the installation procedure, the work progress is simple swift, and sound construction, sealed effectual.
2. This precipitation well plugging device in foundation ditch, the system has the draw-in groove on the pull-up rod, can be with the draw-in groove joint of pull-up rod on telescopic last border when closing the closing plate, can realize the firm fixed of closing plate through simple operation fast, has effectively promoted plugging device's practicality.
3. This precipitation well plugging device in foundation ditch through setting up and go up water ring and lower water ring, prevents sleeve and raft board surface clearance position infiltration, has improved the leakproofness at shutoff position, has effectively promoted construction quality.
4. This precipitation well plugging device in foundation ditch, sleeve top are higher than basic raft face, can prevent that concrete mortar from flowing into the sleeve when basic raft face concrete placement, cause the sleeve to block up, avoid influencing precipitation well drainage, improve construction quality.
5. This precipitation well plugging device in foundation ditch goes up the shutoff board and has seted up a plurality of exhaust holes, discharges unnecessary air in the sleeve when conveniently pouring, improves the leakproofness of shutoff position, effectively improves construction quality.
6. The plugging component adopts an integrally-made structure, the installation process is simple and convenient, a bottom plate does not need to be welded secondarily, the construction steps are greatly simplified, the construction efficiency is effectively improved, the construction cost is reduced, the plugging effect is good, and the device has strong sealing performance.
Drawings
FIG. 1 is a schematic structural view showing an opened state of a sealing plate according to the present invention;
FIG. 2 is a schematic view showing a closed state of a sealing plate according to the present invention;
FIG. 3 is a cross-sectional view taken along line A of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged view of a portion B of FIG. 2 according to the present invention.
In the figure, 1 is a sleeve, 2 is an upper plugging plate, 3 is a pull rod, 4 is an exhaust hole, 5 is an upper exhaust hole, 6 is an upper water stop ring, 7 is a lower water stop ring, 8 is a sealing plate, 9 is a lower plugging plate, 10 is a lower exhaust hole, 11 is a pull ring, and 12 is a clamping groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a plugging device for a dewatering well in a foundation pit, which comprises a sleeve 1, an upper plugging plate 2 and a lower plugging plate 9, wherein the upper plugging plate 2 and the lower plugging plate 9 are fixedly installed at the upper part and the lower part in the sleeve 1 respectively; the upper plugging plate 2 is provided with an upper drainage hole 5 and a plurality of drainage holes 4, and the lower plugging plate 9 is provided with a lower drainage hole 10. The upper water discharging hole 5 and the lower water discharging hole 10 are used for discharging accumulated water in a precipitation well, when plugging is conducted, the pull rod 3 is lifted to enable the sealing plate 8 to plug the lower water discharging hole 10, and concrete mortar is poured into the sleeve 1 from the upper water discharging hole 5. Go up closure plate 2 and seted up a plurality of exhaust holes 4, unnecessary air in the discharge sleeve 1 when conveniently pouring increases concrete placement's closely knit degree. A sealing plate 8 is movably mounted at the bottom of the lower water discharge hole 10, and the sealing plate 8 is used for plugging the lower water discharge hole 10; the outer wall of the sleeve 1 is provided with an upper water stop ring 6 and a lower water stop ring 7. Through setting up and going up water ring 6 and water ring 7 down, can play the stagnant water effect in sleeve 1 and raft surface clearance position, greatly improved plugging device's leakproofness. Preferably, the bottom of the lower water outlet hole 10 is welded with a hinge, and one end of the sealing plate 8 is hinged to the bottom of the lower water outlet hole 10 through the hinge. The upper drainage hole 5 is arranged in the center of the upper blocking plate 2, and the lower drainage hole 10 is arranged in the center of the lower blocking plate 9. During the installation, 1 top of sleeve is higher than basic raft face, can prevent that concrete mortar from flowing into in 1 sleeve when basic raft board concrete placement, causes sleeve 1 to block up, influences precipitation well drainage.
The improved water-saving sealing sleeve is characterized in that a pull rod 3 is arranged in the sleeve 1, preferably, the pull rod 3 is a steel pull rod, the bottom end of the pull rod 3 is movably connected with the sealing plate 8 through a pull ring 11, the upper end of the pull rod 3 extends out of the upper water discharging hole 5, a clamping groove 12 is formed in the upper end of the pull rod 3, and the clamping groove 12 is of a triangular structure. The pull rod 3 is used for driving the sealing plate 8 to open or close. The pull rod 3 is divided into an upper section and a lower section, and the upper section and the lower section of the pull rod 3 are connected through a hinge shaft. When the pull rod 3 is fixed, the pull rod 3 is folded along the hinged position, and the upper section of the pull rod 3 is clamped on the upper edge of the sleeve 1 through the clamping groove 12, so that the sealing plate 8 is fixed.
The use method of the plugging device comprises the following steps:
when constructing foundation ditch basis raft, install sleeve 1 on the bed course of precipitation well head position simultaneously, under the precipitation well operating condition, closing plate 8 is opened, and during the shutoff precipitation well, pull rod 3 upwards carries and draws closing plate 8, with the draw-in groove 12 joints of 3 upper segments of pull rod at 1 top border of sleeve, realizes closing plate 8's fixed, carries out concrete placement in to sleeve 1 afterwards.
The plugging component adopts an integrally-made structure, is simple and convenient in installation process, does not need secondary welding of a bottom plate, greatly simplifies construction steps, effectively improves construction efficiency, reduces construction cost, and has good plugging effect and strong device sealing performance.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.
Claims (6)
1. The plugging device for the dewatering well in the foundation pit is characterized by comprising a sleeve (1), an upper plugging plate (2) and a lower plugging plate (9), wherein the upper plugging plate (2) and the lower plugging plate (9) are fixedly installed at the upper part and the lower part in the sleeve (1) respectively; an upper drainage hole (5) and a plurality of exhaust holes (4) are formed in the upper plugging plate (2), a lower drainage hole (10) is formed in the lower plugging plate (9), a sealing plate (8) is movably mounted at the bottom of the lower drainage hole (10), and the sealing plate (8) is used for plugging the lower drainage hole (10); the outer wall of the sleeve (1) is provided with an upper water stop ring (6) and a lower water stop ring (7).
2. The plugging device for the dewatering well in the foundation pit according to claim 1, wherein a pull rod (3) is arranged in the sleeve (1), the bottom end of the pull rod (3) is movably connected with the sealing plate (8) through a pull ring (11), the upper end of the pull rod (3) extends out of the upper drainage hole (5), a clamping groove (12) is formed in the upper end of the pull rod (3), and the pull rod (3) is used for driving the sealing plate (8) to be opened or closed.
3. The plugging device for dewatering well in foundation pit according to claim 2, characterized in that the pull rod (3) is divided into an upper section and a lower section, and the upper section and the lower section of the pull rod (3) are connected through a hinge shaft.
4. The plugging device for dewatering well in foundation pit according to claim 2, characterized in that the clamping groove (12) is of a triangular structure.
5. The plugging device for dewatering well in foundation pit according to claim 1, characterized in that one end of the sealing plate (8) is hinged at the bottom of the lower drainage hole (10).
6. Plugging device for dewatering wells in foundation pits according to claim 1, characterized in that the upper drainage hole (5) is arranged in the center of the upper plugging plate (2) and the lower drainage hole (10) is arranged in the center of the lower plugging plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220821686.0U CN216999806U (en) | 2022-04-11 | 2022-04-11 | Plugging device for dewatering well in foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220821686.0U CN216999806U (en) | 2022-04-11 | 2022-04-11 | Plugging device for dewatering well in foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216999806U true CN216999806U (en) | 2022-07-19 |
Family
ID=82375774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220821686.0U Active CN216999806U (en) | 2022-04-11 | 2022-04-11 | Plugging device for dewatering well in foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216999806U (en) |
-
2022
- 2022-04-11 CN CN202220821686.0U patent/CN216999806U/en active Active
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