Automatic rainfall device based on intelligent power supply box

Abstract

The utility model relates to the field of foundation pit drainage, and discloses an automatic dewatering device based on an intelligent power supply box, the automatic dewatering device comprises a dewatering well, a mounting plate body is arranged on the top surface of the dewatering well, a connecting plate is fixedly mounted on one side of the mounting plate body, a rectangular hole is formed in the top surface of the connecting plate, and a U-shaped mounting plate is arranged in the rectangular hole; the left side and the right side of the connecting plate are both in threaded connection with locking bolts, an operator firstly installs the two water level sensors on the U-shaped installing plate, one water level sensor is installed at the bottom of the U-shaped installing plate, the other water level sensor is installed at the position close to the top, and then the U-shaped installing plate drives the two water level sensors to enter a dewatering well. According to the device, the water level in the precipitation well is effectively monitored through the highest water level sensor and the lowest water level sensor and is controlled within a proper range, the influence of too high or too low water level is reduced, meanwhile, the water level sensors are convenient to mount and dismount by personnel through the design of the U-shaped mounting plate, and the maintenance convenience is improved.

Description

Technical Field

[0001] This application belongs to the field of foundation pit drainage technology, specifically an automatic dewatering device based on an intelligent power supply box. Background Technology

[0002] The scale and number of foundation pit projects are increasing daily, the geological environment involved is becoming more complex, and the engineering problems faced are becoming more difficult. Dewatering, as one of the important procedures, is of great significance to ensuring the safety of foundation pit construction. Dewatering wells (also called drainage wells or pressure relief wells) are a commonly used facility in foundation pit projects, mainly used to lower the groundwater level. If the groundwater level is high during the excavation of the foundation pit, it will have an adverse effect on the stability of the foundation pit and may even cause engineering accidents. In order to solve this problem, it is necessary to set up dewatering wells around or at the bottom of the foundation pit to lower the groundwater level by extracting groundwater, thereby ensuring the smooth progress of the foundation pit project.

[0003] For example, the utility model patent with announcement number CN219450785U discloses an intelligent dewatering system for caisson foundation pits, which includes multiple dewatering wells set around the caisson foundation pit. A permeable steel sleeve is inserted into the dewatering well, and a gravel backfill layer is filled between the outer wall of the permeable steel sleeve and the well wall to prevent the well wall from collapsing and the filter holes of the permeable steel sleeve from becoming clogged. A submersible pump and a water level detector are installed inside the permeable steel sleeve. The submersible pump is connected to a pumping pipe that extends out of the permeable steel sleeve. The submersible pump is connected to a controller via a control cable, and the controller is also connected to the water level detector via a control cable. This intelligent dewatering system for caisson foundation pits can automatically pump and drain water according to the water level, and the amount of water pumped is large, and the soil around the well is not prone to collapse or instability.

[0004] However, in actual use, it was found that the device achieves automated pumping operation of the dewatering well through the cooperation of the controller, water level detector and submersible pump. The water level detector can effectively monitor the water level changes in the dewatering well and automatically start the submersible pump to pump water when the water level reaches the set maximum warning level.

[0005] However, the water level detector of this device only has a single warning water level and can only provide warnings for the highest water level, but cannot provide warnings for the lowest water level. Since there is no warning function for the lowest water level, when the water level inside the dewatering well drops below the minimum safe water level, it cannot promptly alarm and remind the operators to pay attention. This may affect the safety of surrounding buildings and the underground environment. In addition, since the water level detector is installed inside the dewatering well, subsequent inspection and maintenance work becomes relatively inconvenient. Therefore, an automatic dewatering device based on an intelligent power supply box is provided. Utility Model Content

[0006] The purpose of this application is to provide an automatic precipitation device based on an intelligent power supply box in order to solve the problems mentioned above.

[0007] The technical solution adopted in this application is as follows: An automatic dewatering device based on an intelligent power supply box includes a dewatering well. A mounting plate is provided on the top surface of the dewatering well. A connecting plate is fixedly installed on one side of the mounting plate. A rectangular hole is opened on the top surface of the connecting plate. A U-shaped mounting plate is provided inside the rectangular hole. Locking bolts are threaded to both sides of the connecting plate. One end of the locking bolt extends into the interior of the rectangular hole and abuts against the side of the U-shaped mounting plate. A plurality of circular mounting holes are opened on the front side of the U-shaped mounting plate. A water level sensor is provided inside two of the plurality of circular mounting holes. An intelligent power supply box is provided on the side of the dewatering well. A submersible pump is provided on the bottom surface of the dewatering well. A drain pipe is fixedly installed on the discharge end of the submersible pump. The end of the drain pipe away from the submersible pump extends to the outside of the dewatering well. The water level sensor, the submersible pump, and the intelligent power supply box are electrically connected by insulated wires.

[0008] In a preferred embodiment, a housing is fixedly mounted on the top surface of the mounting plate. Two bearing seats are fixedly mounted inside the housing, and a rotating shaft is fixedly mounted through the middle of each of the two bearing seats. A drum is fixedly mounted on the outer surface of the rotating shaft, and a steel wire rope is wound and connected inside the drum. The bottom end of the steel wire rope extends into the interior of the dewatering well, and the hook at the bottom end of the steel wire rope is connected to a hanging ring mounted on the top surface of the submersible pump. One end of the rotating shaft extends to the outside of the housing, and a large gear is fixedly mounted at the end of the rotating shaft extending to the outside of the housing. A motor is fixedly mounted on the top surface of the housing, and a small gear is fixedly mounted on the drive end of the motor. The small gear meshes with the large gear.

[0009] In a preferred embodiment, two limiting fixing plates are fixedly installed on the bottom surface of the mounting plate, and one side of the two limiting fixing plates is in contact with the outer surface of the dewatering well. The limiting fixing plates are fixed to the outer surface of the dewatering well by bolts.

[0010] In a preferred embodiment, a scale is fixedly installed on the right side of the U-shaped mounting plate.

[0011] In a preferred embodiment, an alarm is fixedly installed on the top surface of the intelligent power supply box, and the alarm is electrically connected to the intelligent power supply box.

[0012] In a preferred embodiment, a rubber pad is fixedly installed on the bottom surface of the mounting plate.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0014] 1. In this application, due to the adoption of the above-mentioned scheme, the operator first installs two water level sensors on a U-shaped mounting plate, one at the bottom and the other near the top. Then, the U-shaped mounting plate moves the two water level sensors into the dewatering well. When the water level inside the dewatering well reaches the highest water level sensor, the sensor is energized and outputs a voltage signal to the intelligent power supply box. The controller (such as a PLC controller, microcontroller, or control circuit board) in the power supply box receives the signal and feeds it back to the submersible pump, which starts the submersible pump to discharge the water in the dewatering well through the drain pipe, ensuring that drainage is carried out when the water level reaches the highest value, so as to control the water level within a suitable range. In addition, when the low water level sensor detects that the water level is lower than the set value, it outputs a voltage signal to the intelligent power supply box, triggering the alarm to sound an alarm, so that personnel can deal with the situation in time. This device effectively monitors the water level inside the dewatering well through the highest and lowest water level sensors and controls it within a suitable range, reducing the impact of excessively high or low water levels. At the same time, the design of the U-shaped mounting plate facilitates the installation and removal of the water level sensors, improving the convenience of maintenance. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this application;

[0016] Figure 2 This is a schematic diagram of the internal structure of the dewatering well in this application;

[0017] Figure 3 This is a schematic diagram of the U-shaped mounting plate structure of this application;

[0018] Figure 4 This is a schematic diagram of the shell structure of this application.

[0019] The markings in the diagram are: 1. Dewatering well; 2. Mounting plate; 3. Connecting plate; 4. Rectangular hole; 5. U-shaped mounting plate; 6. Locking bolt; 7. Circular mounting hole; 8. Water level sensor; 9. Intelligent power supply box; 10. Submersible pump; 11. Drainage pipe; 12. Housing; 13. Bearing seat; 14. Shaft; 15. Drum; 16. Steel wire rope; 17. Large gear; 18. Motor; 19. Small gear; 20. Limiting plate; 21. Ruler; 22. Alarm; 23. Rubber pad. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the embodiments of this application. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0021] refer to Figure 1-Figure 4 An automatic dewatering device based on an intelligent power supply box includes a dewatering well 1, an installation plate 2 on the top surface of the dewatering well 1, and a rubber pad 23 fixedly installed on the bottom surface of the installation plate 2. The installation plate 2 facilitates the subsequent hoisting of equipment into the dewatering well 1, thus improving the ease of equipment installation. The rubber pad 23 reduces the mutual influence between the installation plate 2 and the dewatering well 1 when they come into contact.

[0022] refer to Figure 1 , Figure 2 and Figure 4 Two limiting plates 20 are fixedly installed on the bottom surface of the mounting plate 2, and one side of the two limiting plates 20 is in contact with the outer surface of the dewatering well 1. The limiting plates 20 are fixed to the outer surface of the dewatering well 1 by bolts. The two limiting plates 20 can be installed by welding, so that the limiting plates 20 are in contact with the outer surface of the dewatering well 1. At this time, the personnel can use bolts to fix the limiting plates 20 to the dewatering well 1 to install and fix the mounting plate 2, thereby improving the stability during subsequent use.

[0023] refer to Figure 1 , Figure 2 and Figure 4 A connecting plate 3 is fixedly installed on one side of the mounting plate 2. A rectangular hole 4 is opened on the top surface of the connecting plate 3. A U-shaped mounting plate 5 is set inside the rectangular hole 4. Locking bolts 6 are threaded to both sides of the connecting plate 3. One end of the locking bolt 6 extends into the interior of the rectangular hole 4 and abuts against the side of the U-shaped mounting plate 5. The rectangular hole 4 facilitates the sliding of the U-shaped mounting plate 5 inside, thus facilitating the entry of the U-shaped mounting plate 5 into the interior of the dewatering well 1. The locking bolts 6 facilitate the limiting and fixing of the U-shaped mounting plate 5 when it is adjusted to a suitable height, thereby improving stability.

[0024] refer to Figure 1 , Figure 2 and Figure 3The front side of the U-shaped mounting plate 5 has multiple circular mounting holes 7, and two of these holes 7 are equipped with water level sensors 8. A scale 21 is fixedly installed on the right side of the U-shaped mounting plate 5. The front side of the U-shaped mounting plate 5 has multiple circular mounting holes 7 at equal intervals. Two water level sensors 8 are provided, one monitoring the highest water level and the other monitoring the lowest water level. The water level sensor 8 monitoring the lowest water level can be installed near the bottom circular mounting hole 7, and the water level sensor 8 monitoring the highest water level can be installed near the top circular mounting hole 7. The specific installation can be determined according to actual monitoring needs. Since there are multiple circular mounting holes 7, the position of the water level sensor 8 can be selected according to personnel requirements. During installation, the monitoring end of the water level sensor 8 is passed through the inside of the circular mounting hole 7, and then the locking washer on the water level sensor 8 is used to fix it to the side of the U-shaped mounting plate 5. This achieves the installation and fixation of the water level sensor 8. When the water level sensor 8 is installed, the scale 21 can be observed to ensure that the two water level sensors 8 are kept at a certain distance, thus facilitating the monitoring of the highest and lowest water levels inside the dewatering well 1.

[0025] refer to Figure 1 , Figure 2 and Figure 3 A smart power supply box 9 is installed on the side of the dewatering well 1. A submersible pump 10 is installed on the bottom of the dewatering well 1. A drain pipe 11 is fixedly installed at the discharge end of the submersible pump 10. The end of the drain pipe 11 away from the submersible pump 10 extends to the outside of the dewatering well 1. The water level sensor 8, the submersible pump 10 and the smart power supply box 9 are electrically connected by insulated wires. When the water level sensor 8 detects that the water level inside the dewatering well 1 has reached the highest value, the high water level sensor 8 is energized and outputs a voltage signal to the smart power supply box 9. The controller installed inside the smart power supply box 9, such as a PLC controller, a microcontroller or a control circuit board, feeds the signal back to the submersible pump 10 and controls the submersible pump 10 to start. At this time, the submersible pump 10 starts, so that the water inside the dewatering well 1 is discharged through the drain pipe 11. The start time of the submersible pump 10 can be controlled by the controller. In this way, the dewatering operation can be performed when the water level inside the dewatering well 1 reaches the highest value, so as to keep the water level inside the dewatering well 1 within a suitable range.

[0026] refer to Figure 1 An alarm 22 is fixedly installed on the top surface of the intelligent power supply box 9. The alarm 22 is electrically connected to the intelligent power supply box 9. When the low water level sensor 8 detects that the water level inside the dewatering well 1 is lower than the set value, the low water level sensor 8 outputs a voltage signal to the intelligent power supply box 9. The intelligent power supply box 9 controls the alarm 22 to trigger an alarm, so that personnel can receive the alarm information in time and take action.

[0027] refer to Figure 1 , Figure 2 and Figure 4A housing 12 is fixedly installed on the top surface of the mounting plate 2. Two bearing seats 13 are fixedly installed inside the housing 12, and a rotating shaft 14 is fixedly installed through the middle of each of the two bearing seats 13. A drum 15 is fixedly installed on the outer surface of the rotating shaft 14. A steel wire rope 16 is wound and connected inside the drum 15. The bottom end of the steel wire rope 16 extends into the interior of the dewatering well 1. The hook at the bottom end of the steel wire rope 16 is connected to the hanging ring installed on the top surface of the submersible pump 10. The two bearing seats 13 facilitate the rotation of the drum 15, and the drum 15 facilitates the winding of the steel wire rope 16, thus facilitating the installation of the submersible pump 10 and improving the ease of equipment installation.

[0028] refer to Figure 1 , Figure 2 and Figure 4 One end of the rotating shaft 14 extends to the outside of the housing 12. A large gear 17 is fixedly installed at one end of the rotating shaft 14 extending to the outside of the housing 12. A motor 18 is fixedly installed on the top surface of the housing 12. A small gear 19 is fixedly installed at the drive end of the motor 18. The small gear 19 is meshed with the large gear 17. The user first starts the motor 18, which drives the small gear 19 to rotate. Since the small gear 19 is meshed with the large gear 17, the large gear 17 drives the rotating shaft 14 and the drum 15 to rotate, which facilitates the winding and unwinding of the wire rope 16 under the drive of the drum 15. This makes it easy to install and disassemble the submersible pump 10.

[0029] The implementation principle of an embodiment of an automatic dewatering device based on an intelligent power supply box in this application is as follows: The operator first installs a fixed plate 2 on the top of the dewatering well, and then puts the submersible pump 10 into the dewatering well 1. The bottom hook of the steel wire rope 16 is connected to the top hanging ring of the submersible pump 10. Next, the operator starts the motor 18, which drives the small gear 19 to rotate. The small gear meshes with the large gear 17, thereby causing the large gear 17 to drive the rotating shaft 14 and the drum 15 to rotate. This process facilitates the unwinding of the steel wire rope 16, allowing the submersible pump 10 to slowly and steadily sink to the bottom of the dewatering well, which is convenient for installation and operation.

[0030] After the submersible pump 10 is installed, the operator inserts the U-shaped mounting plate 5 into the rectangular hole 4, ensuring the bottom of the U-shaped mounting plate 5 contacts the bottom of the dewatering well 1, and marks the position near the top. Then, the operator pulls the U-shaped mounting plate 5 upwards to roughly determine the depth of the dewatering well 1. At this time, the operator can observe the scale 21 and install two water level sensors 8, one at the bottom of the U-shaped mounting plate 5 and the other near the top. The specific positions of the two sensors can be adjusted according to actual needs. When the water level inside the dewatering well 1 reaches the highest water level sensor 8, this sensor... When the device is powered on, it outputs a voltage signal to the intelligent power supply box 9. The controller (such as a PLC controller, microcontroller, or control circuit board) inside the power supply box receives the signal and feeds it back to the submersible pump 10, which starts the submersible pump 10 to discharge the water in the rainwater well through the drainage pipe 11. The start-up time of the submersible pump is adjusted by the controller to ensure that drainage is carried out when the water level reaches the highest value, so as to keep the water level within a suitable range. In addition, when the low water level sensor 8 detects that the water level is lower than the set value, it outputs a voltage signal to the intelligent power supply box 9, triggering the alarm 22 to issue an alarm so that personnel can deal with the situation in time.

[0031] The device has a simple structure and is easy to operate. It effectively monitors the water level inside the dewatering well 1 through the highest and lowest water level sensors 8 and controls it within a suitable range, reducing the impact of excessively high or low water levels. At the same time, the design of the U-shaped mounting plate 5 facilitates the installation and removal of the water level sensor 8, improving the convenience of maintenance.

[0032] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. An automatic dewatering device based on an intelligent power supply box, comprising a dewatering well (1), characterized in that: The top surface of the dewatering well (1) is provided with an installation plate (2), and a connecting plate (3) is fixedly installed on one side of the installation plate (2). A rectangular hole (4) is opened on the top surface of the connecting plate (3), and a U-shaped installation plate (5) is provided inside the rectangular hole (4). Locking bolts (6) are threaded to both sides of the connecting plate (3). One end of the locking bolt (6) extends into the interior of the rectangular hole (4) and abuts against the side of the U-shaped installation plate (5). A plurality of circular installation holes are opened on the front side of the U-shaped installation plate (5). (7), and two of the multiple circular mounting holes (7) are equipped with water level sensors (8), a smart power supply box (9) is provided on the side of the dewatering well (1), a submersible pump (10) is provided on the bottom surface of the dewatering well (1), a drain pipe (11) is fixedly installed on the discharge end of the submersible pump (10), and the end of the drain pipe (11) away from the submersible pump (10) extends to the outside of the dewatering well (1). The water level sensor (8), the submersible pump (10) and the smart power supply box (9) are electrically connected by insulated wires.

2. The automatic precipitation device based on an intelligent power supply box as described in claim 1, characterized in that: A housing (12) is fixedly installed on the top surface of the mounting plate (2). Two bearing seats (13) are fixedly installed inside the housing (12), and a rotating shaft (14) is fixedly installed through the middle of each of the two bearing seats (13). A drum (15) is fixedly installed on the outer surface of the rotating shaft (14). A steel wire rope (16) is wound and connected inside the drum (15). The bottom end of the steel wire rope (16) extends into the interior of the dewatering well (1). The hook at the bottom end of the steel wire rope (16) is connected to the hanging ring installed on the top surface of the submersible pump (10). One end of the rotating shaft (14) extends to the outside of the housing (12). A large gear (17) is fixedly installed at the end of the rotating shaft (14) extending to the outside of the housing (12). A motor (18) is fixedly installed on the top surface of the housing (12). A small gear (19) is fixedly installed at the drive end of the motor (18). The small gear (19) meshes with the large gear (17).

3. The automatic precipitation device based on an intelligent power supply box as described in claim 1, characterized in that: Two limiting plates (20) are fixedly installed on the bottom surface of the mounting plate (2), and one side of the two limiting plates (20) is in contact with the outer surface of the dewatering well (1). The limiting plates (20) are fixed to the outer surface of the dewatering well (1) by bolts.

4. The automatic precipitation device based on an intelligent power supply box as described in claim 1, characterized in that: A scale (21) is fixedly installed on the right side of the U-shaped mounting plate (5).

5. An automatic precipitation device based on an intelligent power supply box as described in claim 1, characterized in that: An alarm (22) is fixedly installed on the top surface of the intelligent power supply box (9), and the alarm (22) is electrically connected to the intelligent power supply box (9).

6. The automatic precipitation device based on an intelligent power supply box as described in claim 1, characterized in that: A rubber pad (23) is fixedly installed on the bottom surface of the mounting plate (2).

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