CN220288855U - Upwelling force monitoring device of precipitation well - Google Patents
Upwelling force monitoring device of precipitation well Download PDFInfo
- Publication number
- CN220288855U CN220288855U CN202322169831.9U CN202322169831U CN220288855U CN 220288855 U CN220288855 U CN 220288855U CN 202322169831 U CN202322169831 U CN 202322169831U CN 220288855 U CN220288855 U CN 220288855U
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- buoyancy
- pressure sensor
- concrete slab
- platform
- monitoring
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- 238000001556 precipitation Methods 0.000 title claims abstract description 19
- 238000012806 monitoring device Methods 0.000 title abstract description 13
- 230000000007 visual effect Effects 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims 1
- 239000003673 groundwater Substances 0.000 abstract description 20
- 238000007789 sealing Methods 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Level Indicators Using A Float (AREA)
Abstract
The utility model discloses a buoyancy monitoring device for a precipitation well, which comprises: the sealing part comprises a concrete plate for sealing and filling the wellhead of the dewatering well; the buoyancy sensing part comprises a floating pipe positioned in the dewatering well, a pushing rod connected with the top of the floating pipe and penetrating through a hole in the middle of the concrete slab, and a pressure sensor connected with the top of the pushing rod; the visual display part comprises a bracket platform fixed above the concrete slab and a visual instrument which is arranged on the bracket platform and connected with the pressure sensor, and the top of the pressure sensor is fixed at the bottom of the bracket platform. The utility model converts the upward buoyancy of the groundwater into the upward thrust to the floating pipe, thereby realizing the monitoring of the action of the upward buoyancy of the groundwater by the pressure sensor, finding and solving the problem of the upward buoyancy of the groundwater filled in the dewatering well in time, and solving the situation of the on-site buoyancy monitoring blank.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a buoyancy monitoring device for a precipitation well.
Background
In the foundation pit construction process, when the foundation pit with the elevation of the bottom surface lower than the ground water level is excavated, the ground water can continuously infiltrate into the pit as the water-bearing layer of the soil is cut off. If no precipitation measures are taken, the water flowing into the pit is drained away in time or the underground water level is reduced, so that not only the construction condition is deteriorated, but also the slope collapse and the bearing capacity of the foundation are reduced after the soil is softened by the water bubbles. If continuous rainfall occurs, the basement bottom plate floats upwards, so that basement columns are sheared and damaged, the accident is often caused by insufficient anti-floating design in the earlier stage, a precipitation well is generally adopted to carry out precipitation operation on site, the anti-floating force of the basement bottom plate is reduced, and the monitoring of the floating force of the precipitation well is beneficial to implementation of the precipitation and drainage operation.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide the buoyancy monitoring device for the dewatering well, which can monitor the change of the buoyancy of the groundwater in real time and timely discover and solve the problem that the groundwater sealed and filled by the dewatering well floats.
In order to achieve the above object, the present utility model provides a buoyancy monitoring device for a dewatering well, comprising: the sealing part comprises a concrete plate for sealing and filling the wellhead of the dewatering well; the buoyancy sensing part comprises a floating pipe positioned in the dewatering well, a pushing rod connected with the top of the floating pipe and penetrating through a hole in the middle of the concrete slab, and a pressure sensor connected with the top of the pushing rod; the visual display part comprises a bracket platform fixed above the concrete slab and a visual instrument which is arranged on the bracket platform and connected with the pressure sensor, and the top of the pressure sensor is fixed at the bottom of the bracket platform.
Preferably, a circular ring positioned above the concrete slab is welded on the pushing rod.
Further, the periphery of the concrete slab is provided with transverse and vertical steel bars welded with the steel bars distributed transversely and vertically of the structural bottom plate of the dewatering well.
Preferably, the bracket platform comprises four buried plates fixed on the concrete slab and distributed in a rectangular shape, upright posts fixed on the buried plates, and a platform connected to the tops of the four upright posts; the pressure sensor is fixed at the bottom of the platform, and the visual instrument penetrates through the platform to be connected with the pressure sensor.
Further, the corners of the buried plate are provided with 4 holes and are anchored to the concrete slab by chemical anchors.
Preferably, the visual instrument and the pressure sensor further comprise a direct current power supply for supplying power to the visual instrument and the pressure sensor.
From above, the monitoring device is integrally divided into three parts, namely a sealing and filling part, a buoyancy sensing part and a visual display part, wherein the sealing and filling part is used for effectively sealing and filling a precipitation well and preventing water from overflowing when underground water is gushed up; the buoyancy sensing part is used for measuring the buoyancy of the underground water; the visual display portion is used to visualize and communicate the uplift force to the remote display.
Compared with the prior art, the buoyancy monitoring device for the dewatering well has at least the following beneficial effects:
1. the dewatering well is effectively sealed and filled, and the upwelling condition is avoided in the period of high water yield.
2. The device has the advantages that the device is provided with an effective dewatering well sealing and filling and a corresponding buoyancy monitoring device for monitoring the change of buoyancy, and the buoyancy of the groundwater is converted into the thrust to the floating pipe, so that the effect of monitoring the buoyancy of the groundwater is realized through the pressure sensor, the problem that the groundwater sealed and filled by the dewatering well floats again is timely found and solved, and the problem of on-site buoyancy monitoring is solved.
3. The buoyancy force can be monitored in real time, the problem of blank buoyancy force detection in the dewatering well is solved, and the blank buoyancy force can be found in time when groundwater rises in the period of water rising.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a buoyancy monitoring device for a dewatering well according to the present utility model;
FIG. 2 is a schematic diagram of a packing portion of the present utility model;
FIG. 3 is a schematic view of the structure of the buoyancy-sensitive portion of the present utility model;
fig. 4 is a schematic structural view of a visual display portion of the present utility model.
The reference numerals in the figures illustrate:
10-sealing part:
11-concrete plates and 12-transverse and vertical steel bars;
20-buoyancy-inducing portion:
21-floating tube, 22-connecting piece, 23-pushing rod, 24-ring, 25-pressure sensor (model: HYLY-019, manufacturer: hendex-Toyo-Tech Co., ltd.), 26-wire, 27-DC power supply (model: NDR-75/120W; manufacturer: ming-Fu electric Co., ltd.);
30-visual display portion:
31-buried plate, 32-chemical anchor bolts, 33-upright posts, 34-platform and 35-visual instrument (model: D800; manufacturer: ocean sensor Co., ltd.).
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The buoyancy monitoring device for a dewatering well according to the present utility model will be described in detail with reference to fig. 1 to 4.
The buoyancy monitoring device of the dewatering well is integrally divided into a sealing and filling part 10, a buoyancy sensing part 20 and a visual display part 30, wherein the sealing and filling part 10 is used for effectively sealing and filling the dewatering well to prevent water from overflowing when the underground water is upwelled; the buoyancy sensing portion 20 is for measuring the buoyancy of the groundwater; the visual display portion 30 is used to visualize and communicate the uplift forces to the terminal. Several parts of the device are described in detail below:
as shown in fig. 2, the sealing part 10 is used as a sealing part for a dewatering well, the concrete slab 11 is used for sealing a wellhead of the dewatering well and leaving a hole just used for a pushing rod 23 to pass through, and the transverse and vertical steel bars 12 around the concrete slab 11 are respectively welded with steel bars distributed transversely and vertically on a structural bottom plate of the dewatering well.
As shown in fig. 3, the buoyancy sensing portion 20 is used as a buoyancy measuring portion for groundwater in a precipitation well, and includes a floating pipe 21 located in the precipitation well, a push rod 23 connected to the top of the floating pipe 21 and passing through a hole in the middle of the concrete slab 11, and a pressure sensor 25 connected to the top of the push rod 23. The connecting piece 22 tightly connects the floating pipe 21 and the pushing rod 23 together, the pushing rod 23 passes through the hole in the middle of the circular ring 24 and welds the circular ring 24 on the pushing rod 23, and the circular ring 24 is positioned above the concrete slab 11, so that when the groundwater level is low, the device is in a state of no water buoyancy, and the pushing rod 23 is clamped on the concrete slab 11, so that the floating pipe 21 cannot fall. The floating pipe 21 is positioned below the concrete slab 11, and when groundwater is upwelled, slurry is upwelled or geology is deformed, upward thrust is generated on the floating pipe 21; when the groundwater floats up, the floating pipe 21 can convert the upward buoyancy into the internal pressure of the pushing rod 23 to the pressure sensor 25, so that the buoyancy of the groundwater can be measured. The pressure sensor 25 is connected to a dc power supply 27 by a wire 26, so that the dc power supply 27 supplies power to the pressure sensor 25.
As shown in fig. 4, the visual display portion 30 is used as a buoyancy display portion on the groundwater of the precipitation well, and comprises a bracket platform fixed above the concrete slab 11, and a visual instrument 35 mounted on the bracket platform and connected with the pressure sensor 25, wherein the top of the pressure sensor 25 is fixed at the bottom of the bracket platform. The support platform comprises four buried plates 31 fixed on the concrete slab 11 and distributed in a rectangular shape, upright posts 33 fixed on the buried plates 31, a platform 34 connected to the tops of the four upright posts 33, the pressure sensor 25 is fixed at the bottom of the platform 34, and the visual instrument 35 passes through the platform 34 and is connected with the pressure sensor 25. The corner of the buried plate 31 is provided with 4 holes and is anchored on the concrete slab 11 by a chemical anchor bolt 32, and is welded together with the upright post 33 and the platform 34 to form a bracket platform, and the visual instrument 35 is connected with the direct current power supply 27 and is powered by the direct current power supply 27. While a visual gauge 35 is connected to the pressure sensor 25 through the platform 34 to visually display the buoyancy and transmit it to a remote display.
The following is a brief description of the working principle of the buoyancy monitoring device for a dewatering well according to the present utility model, with reference to fig. 1 to 4, in combination with the description of the technical features of the structure described above:
1. the transverse and vertical steel bars 12 are welded with the concrete slab 11 to ensure that groundwater cannot upwell;
2. when the groundwater level rises, the slurry is upwelled or geology is deformed, upward thrust is generated on the floating tube 21, and then the force is transmitted to the pushing rod 23 to be accurately measured by the pressure sensor 25;
3. the magnitude of the uplift force is monitored by a visual gauge 35 and can be uploaded to the terminal.
While the utility model has been described with respect to specific embodiments thereof, it will be appreciated that the utility model is not limited thereto, but is intended to cover modifications and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. A device for monitoring the buoyancy of a precipitation well, comprising:
a packing part (10) comprising a concrete slab (11) for packing the wellhead of the dewatering well;
the buoyancy induction part (20) comprises a floating pipe (21) positioned in the dewatering well, a pushing rod (23) connected with the top of the floating pipe (21) and penetrating through a hole in the middle of the concrete slab (11), and a pressure sensor (25) connected with the top of the pushing rod (23);
the visual display part (30) comprises a bracket platform fixed above the concrete slab (11) and a visual instrument (35) which is arranged on the bracket platform and connected with the pressure sensor (25), wherein the top of the pressure sensor (25) is fixed at the bottom of the bracket platform.
2. The device according to claim 1, characterized in that the push rod (23) is welded with a ring (24) above the slab (11).
3. The device for monitoring the buoyancy of a precipitation well according to claim 1, wherein transverse and vertical steel bars (12) welded with steel bars distributed transversely and vertically of a structural bottom plate of the precipitation well are arranged around the concrete slab (11).
4. The device for monitoring the buoyancy of a precipitation well according to claim 1, wherein said support platform comprises four buried plates (31) fixed on said concrete slab (11) in rectangular distribution, uprights (33) fixed on said buried plates (31), a platform (34) connected on top of the four uprights (33);
the pressure sensor (25) is fixed at the bottom of the platform (34), and the visual instrument (35) penetrates through the platform (34) to be connected with the pressure sensor (25).
5. The device for monitoring the buoyancy of a precipitation well according to claim 4, wherein the buried plate (31) has 4 holes at the corners and is anchored to the concrete slab (11) by means of chemical anchors (32).
6. The device for monitoring the buoyancy of a precipitation well according to claim 1, further comprising a direct current power supply (27) for powering the visualizer (35) and the pressure sensor (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322169831.9U CN220288855U (en) | 2023-08-14 | 2023-08-14 | Upwelling force monitoring device of precipitation well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322169831.9U CN220288855U (en) | 2023-08-14 | 2023-08-14 | Upwelling force monitoring device of precipitation well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220288855U true CN220288855U (en) | 2024-01-02 |
Family
ID=89338668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322169831.9U Active CN220288855U (en) | 2023-08-14 | 2023-08-14 | Upwelling force monitoring device of precipitation well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220288855U (en) |
-
2023
- 2023-08-14 CN CN202322169831.9U patent/CN220288855U/en active Active
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