CN217403555U - Foundation pit dewatering well water level real-time monitoring device - Google Patents
Foundation pit dewatering well water level real-time monitoring device Download PDFInfo
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- CN217403555U CN217403555U CN202220387733.5U CN202220387733U CN217403555U CN 217403555 U CN217403555 U CN 217403555U CN 202220387733 U CN202220387733 U CN 202220387733U CN 217403555 U CN217403555 U CN 217403555U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
The utility model discloses a foundation ditch precipitation well water level real time monitoring device, including first support body, first hoisting device, monitoring devices, water pump and controller. The first lifting device comprises a motor, a transmission shaft, a roller and a first lifting rope and is used for adjusting the position of the detection device. The monitoring device comprises a positive plate and a negative plate which are vertically arranged, wherein the positive plate and the negative plate are connected with a positive electrode and a negative electrode of a power supply through leads to form a loop for measuring the depth of the positive plate inserted into water. Through the water level in the accurate measurement foundation ditch precipitation well of monitoring devices, can obtain the real-time accurate data of water level, then control the water pump flow through the controller, make real-time water level can accurate control, guarantee ground water level certain safe distance below the excavation face on the one hand, on the other hand guarantees again that groundwater can not take out excessively, avoids causing the situation of harm all ring edge borders safety such as ground subside to provide the safety guarantee for the foundation ditch excavation.
Description
Technical Field
The utility model relates to a foundation ditch precipitation well water level real time monitoring device belongs to building foundation ditch precipitation construction technical field.
Background
In foundation engineering construction, precipitation construction is required before foundation pit excavation, and excavation can be performed only under the requirement of a certain distance of underground water below a construction working surface. Therefore, the underground water level needs to be monitored in real time in the foundation earth excavation and underground space construction stages, so that a certain safety distance of the underground water level below an excavation surface is ensured on one hand, and the underground water cannot be pumped excessively, so that ground settlement and the like are caused to harm the safety of the surrounding environment on the other hand.
At the present stage, the underground water level monitoring is generally measured by adopting a manual lower ruler, the traditional measuring method is time-consuming and labor-consuming, and the accuracy of the measured data is difficult to guarantee. During construction, the underground water level needs to be measured once every several hours, the measuring frequency is high, the measuring quantity is large, and the monitoring needs to be carried out with large investment.
SUMMERY OF THE UTILITY MODEL
The utility model provides a foundation ditch precipitation well water level real time monitoring device for solve inefficiency, with high costs, measure loaded down with trivial details, the low scheduling problem of the measuring result degree of accuracy that current foundation ditch precipitation well water level monitoring exists.
For solving the technical problem, the utility model discloses a following technical scheme:
a foundation ditch precipitation well water level real-time monitoring device includes:
the device comprises a first frame body, a first lifting device and a monitoring device; the first lifting device comprises a motor, a transmission shaft, a roller and a first lifting rope; the transmission shaft is fixed on the frame body through a bearing and connected with the motor, and the roller is arranged on the transmission shaft; one end of the first lifting rope is wound on the roller, and the other end of the first lifting rope is fixed at the top of the monitoring device; the motor can drive the roller to rotate by rotating, so that the first lifting rope descends or ascends, and the position of the detection device is adjusted; the monitoring device comprises a positive plate and a negative plate which are vertically arranged, and the positive plate and the negative plate are oppositely arranged; the positive plate and the negative plate are connected with a positive electrode and a negative electrode of a power supply through leads to form a loop, and the monitoring device is used for measuring the depth of the positive plate inserted into water;
the water pump is arranged in the water of the dewatering well;
the controller is used for calculating the real-time water level according to the inserting depth of the positive plate in the water and the top elevation of the positive plate; the controller is used for controlling the water pump to pump water so that the water surface height meets the requirement.
Further, the lifting device also comprises a second frame body, a power mechanism and a second lifting rope;
the top end of the second frame body is positioned above the foundation pit dewatering well and is provided with a fixed pulley, and the power mechanism is arranged beside the foundation pit dewatering well; one end of the second lifting rope is connected with the power mechanism, and the other end of the second lifting rope passes around the fixed pulley and is fixed on the water pump; the power mechanism is used for lifting or lowering the water pump.
Further, the power mechanism is a winch, an electric hoist or a hand hoist.
Furthermore, be provided with the reflector panel at the positive plate top for use with laser range finder is supporting and measures positive plate top elevation.
Further, the controller is connected with an alarm, and when the water level reaches a preset value, the controller controls the alarm to send out warning information.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art, have following advantage and positive effect: through the water level in the accurate measurement foundation ditch precipitation well of monitoring devices, can obtain the real-time accurate data of water level, then control the water pump flow through the controller, make real-time water level can accurate control, guarantee ground water level certain safe distance below the excavation face on the one hand, on the other hand guarantees again that groundwater can not take out excessively, avoids causing the situation of harm all ring edge borders safety such as ground subside to provide the safety guarantee for the foundation ditch excavation.
Drawings
Fig. 1 is a schematic structural diagram of a device for monitoring the water level of a foundation pit dewatering well in real time in an embodiment of the present invention.
The numbers in the figures are as follows:
1-foundation pit dewatering well;
10-a first frame body;
20-a first lifting device; 21-a motor; 22-a drive shaft; 23-a roller; 24-a first lifting rope;
30-a monitoring device; 31-a positive plate; 32-negative plate;
40-a water pump;
50-a controller;
60-a second frame body, 61-a fixed pulley; 62-a power mechanism; 63-second lifting rope.
Detailed Description
The following description will be made in detail with reference to the accompanying drawings and specific embodiments for a real-time monitoring device for water level of foundation pit dewatering well. The advantages and features of the present invention will become more apparent in conjunction with the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
As shown in fig. 1, the device for monitoring the water level of the foundation pit dewatering well 1 in real time provided by this embodiment includes a first frame 10, a first lifting device 20, a monitoring device 30, a water pump 40 and a controller 50.
The first lifting device 20 comprises a motor 21, a transmission shaft 22, a roller 23 and a first lifting rope 24; the transmission shaft 22 is fixed on the frame body through a bearing and is connected with the motor 21, and the roller 23 is arranged on the transmission shaft 22. One end of the first lifting rope 24 is wound on the roller 23, and the other end of the first lifting rope is fixed on the top of the monitoring device 30. The motor 21 rotates to drive the roller 23 to rotate, so that the first lifting rope 24 descends or ascends to adjust the position of the detection device.
The monitoring device 30 comprises a positive plate 31 and a negative plate 32 which are vertically arranged, wherein the positive plate 31 and the negative plate 32 are oppositely arranged; the positive plate 31 and the negative plate 32 are connected with the positive and negative electrodes of a power supply through leads to form a loop, and the monitoring device 30 is used for measuring the depth of the positive plate 31 inserted into water.
And the water pump 40 is arranged in the water of the dewatering well.
A controller 50 for calculating a real-time water level according to the depth of the positive electrode plate 31 inserted into the water and the top elevation of the positive electrode plate 31; the controller 50 is also used for controlling the water pump 40 to pump water so that the water level meets the requirement.
The utility model discloses a theory of operation does: put into the aquatic with water pump 40, set up first support body 10, install first hoisting device 20 on first support body 10, transfer monitoring device 30 to aquatic, measure monitoring device 30's elevation, utilize monitoring device 30 to measure the positive plate 31 and insert the aquatic degree of depth to calculate the surface of water elevation, realize the real-time supervision to the water level, then control the water yield of water pump 40 by controller 50, thereby accurate control water level elevation satisfies the needs of foundation ditch safety excavation.
Before carrying out the measurement to the water level, should accurate measurement positive plate 31 top elevation, perhaps monitoring devices 30 top elevation to can survey positive plate 31 depth of water after, can accurately calculate real-time water level. Further, a reflecting plate is arranged at the top of the positive plate 31, and the elevation of the top end of the positive plate 31 is measured by a laser range finder. It should be noted that, if the laser range finder is used to measure the water level in real time, a reflector needs to be installed in the foundation pit dewatering well 1, and when the water pump 40 pumps water, the reflector may shake or move, which may affect the measurement result. Only when beginning in this application, utilize laser range finder to measure the reflector panel of setting on measuring device, the influence of surface of water fluctuation to the reflector panel can be ignored, can satisfy the required precision to the measuring result of positive polar plate 31 top elevation.
Further, the foundation pit dewatering well 1 water level real-time monitoring device further comprises a second frame body 60, a power mechanism 62 and a second lifting rope 63. The top end of the second frame body 60 is positioned above the foundation pit dewatering well 1 and is provided with a fixed pulley 61, and the power mechanism 62 is arranged beside the foundation pit dewatering well 1; one end of the second lifting rope 63 is connected with the power mechanism 62, and the other end of the second lifting rope bypasses the fixed pulley 61 and is fixed on the water pump 40; the power mechanism 62 is used for lifting or lowering the water pump 40. The power mechanism 62 is, for example, a winch, an electric block, or a hand block. This embodiment facilitates the manipulation of the raising or lowering of the water pump 40.
Further, the controller 50 is connected with an alarm, and when the water level reaches a preset value, the controller 50 controls the alarm to send out warning information. This embodiment can inform constructor through the mode of warning information when the water level surpasss the predetermined value, makes constructor in time make the counter-measure, guarantees foundation ditch safety excavation. For example, before the foundation pit is excavated, the upper limit H of the safe water level for excavation of the foundation pit under each working condition is determined according to a water pumping test and a numerical simulation technology and by combining the working conditions of the excavation construction of the foundation pit S1 And super-pumping control water level H S2 And corresponding data is input into the PLC 50, and when the data exceeds a preset value, the alarm sends out warning information which can be sound or color.
Further, in order to ensure the real-time water level H of the foundation pit dewatering well 1 SS Always meet the requirements and need to optimize the water pumping process. Firstly, a safe water level H is set A When H is present SS ≤H A When is according to (H) A －H SS )/(H A －H S2 ) The value of (A) is that the pumping flow of the water pump 40 is linearly reduced, that is, the larger the value is, the smaller the flow of the water pump 40 is, when H is SS ＝H S2 When the value is equal to 1, the water pump 40 stops pumping water; when H is present SS ＞H A When is according to (H) SS －H A )/(H S1 － H A ) The pumping flow of the water pump 40 is linearly increased, that is, the larger the value is, the larger the flow of the water pump 40 is, and when H is SS ＝H S1 When the value is equal to 1, the water pump 40 continues to increase the flow rate, and the controller 50 controls the alarm to send out warning information.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. The utility model provides a foundation ditch precipitation well water level real time monitoring device which characterized in that includes:
the device comprises a first frame body, a first lifting device and a monitoring device; the first lifting device comprises a motor, a transmission shaft, a roller and a first lifting rope; the transmission shaft is fixed on the frame body through a bearing and is connected with the motor, and the roller is arranged on the transmission shaft; one end of the first lifting rope is wound on the roller, and the other end of the first lifting rope is fixed at the top of the monitoring device; the motor can drive the roller to rotate by rotating, so that the first lifting rope descends or ascends, and the position of the detection device is adjusted; the monitoring device comprises a positive plate and a negative plate which are vertically arranged, and the positive plate and the negative plate are oppositely arranged; the positive plate and the negative plate are connected with a positive electrode and a negative electrode of a power supply through leads to form a loop, and the monitoring device is used for measuring the depth of the positive plate inserted into water;
the water pump is arranged in the water of the dewatering well;
the controller is used for calculating the real-time water level according to the inserting depth of the positive plate in the water and the top elevation of the positive plate; the controller is used for controlling the water pump to pump water so that the water surface height meets the requirement.
2. The foundation pit dewatering well water level real-time monitoring device as claimed in claim 1,
the lifting device also comprises a second frame body, a power mechanism and a second lifting rope;
the top end of the second frame body is positioned above the foundation pit dewatering well and is provided with a fixed pulley, and the power mechanism is arranged beside the foundation pit dewatering well; one end of the second lifting rope is connected with the power mechanism, and the other end of the second lifting rope passes around the fixed pulley and is fixed on the water pump; the power mechanism is used for lifting or lowering the water pump.
3. The foundation pit dewatering well water level real-time monitoring device as claimed in claim 2,
the power mechanism is a winch, an electric hoist or a hand hoist.
4. The foundation pit dewatering well water level real-time monitoring device of claim 1,
be provided with the reflector panel at the positive plate top for use with laser range finder is supporting and measures positive plate top elevation.
5. The foundation pit dewatering well water level real-time monitoring device as claimed in claim 1,
the controller is connected with an alarm, and when the water level reaches a preset value, the controller controls the alarm to send out warning information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220387733.5U CN217403555U (en) | 2022-02-25 | 2022-02-25 | Foundation pit dewatering well water level real-time monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220387733.5U CN217403555U (en) | 2022-02-25 | 2022-02-25 | Foundation pit dewatering well water level real-time monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217403555U true CN217403555U (en) | 2022-09-09 |
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ID=83137170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220387733.5U Active CN217403555U (en) | 2022-02-25 | 2022-02-25 | Foundation pit dewatering well water level real-time monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217403555U (en) |
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2022
- 2022-02-25 CN CN202220387733.5U patent/CN217403555U/en active Active
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