An underground engineering water-stop curtain leakage detection device

Abstract

This invention relates to the field of water-stop curtain leakage detection technology, specifically a water-stop curtain leakage detection device for underground engineering. It includes a base frame, with a wireless communication control module fixedly installed in the middle of the base frame. It also includes four sets of patrol and detection structures connected to the base frame. Each patrol and detection structure includes a bracket fixedly connected to the base frame, a liquid recovery and measurement mechanism fixedly connected to the bracket, a lifting and lowering support mechanism connected to the bracket, and a patrol flight mechanism movably connected to the lifting and lowering support mechanism. The patrol flight mechanism is movably connected to a sampling and hoisting mechanism. This invention achieves automated patrol and detection of water-stop curtains of different structures through the cooperation of the patrol and detection structures and the wireless power supply structure. Upon discovering a leakage point, it performs an automated preliminary detection of the leakage amount, allowing for a preliminary assessment of the leakage situation before personnel arrive. This enables 24 / 7 automated water-stop curtain leakage detection, saving manpower and facilitating continuous leakage detection.

Description

Technical Field

[0001] This invention relates to the field of water-stop curtain leakage detection technology, specifically a water-stop curtain leakage detection device for underground engineering. Background Technology

[0002] A water-stop curtain is a water-stopping system installed around the main body of the project. It is specifically constructed through retaining piles, water-stopping bodies, and supporting structures. The water-stop curtain is used to block the seepage of groundwater inside and outside the foundation pit. Generally, after the water-stop curtain is constructed, leakage testing is required.

[0003] Generally, observation wells and detection wells are excavated on both the inner and outer sides of the water-stop curtain for detection. Alternatively, fuel can be added to the water outside the water-stop curtain to dye the groundwater, and then the water-stop curtain can be manually inspected to observe the leakage. This method relies on manual labor and requires a lot of manpower. As it gets dark, it is not easy for personnel to detect leakage in time. Furthermore, it is limited by the physical strength of the personnel and cannot be inspected around the clock. In addition, since the walls of the water-stop curtain can be wavy, inclined, or vertical, general leakage detection equipment cannot be used for all of them. Summary of the Invention

[0004] The purpose of this invention is to provide a leakage detection device for underground engineering water-stop curtains to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A leakage detection device for underground engineering water-stop curtains includes a base frame, a wireless communication central control module fixedly installed in the middle of the base frame, and further includes: The system includes four inspection and detection structures connected to the base frame. Each inspection and detection structure includes a bracket fixedly connected to the base frame, a liquid recovery and testing mechanism fixedly connected to the bracket, a take-off and landing support mechanism connected to the bracket, an inspection flight mechanism movably connected to the take-off and landing support mechanism, and a sampling and hoisting mechanism movably connected to the inspection flight mechanism. The sampling and hoisting mechanism includes a frame movably connected to the inspection flight mechanism and the bracket. The frame is fixedly connected to a power supply plug, which is movably connected to the inspection flight mechanism. The frame is also fixedly connected to a communication plug, which is movably connected to the inspection flight mechanism. The frame is connected to a center of gravity balancing component and an abutment deformation component. The frame is also fixedly connected to a first independent power supply, which is electrically connected to the power supply plug. Four sets of wireless power supply structures are connected to the base frame, and the wireless power supply structures are movably connected to the patrol flight mechanism.

[0006] As a further improvement of the present invention: the take-off and landing support mechanism includes two sets of first active telescopic frames fixedly connected to the support frame, the moving end of the first active telescopic frame is fixedly connected to the foot support frame, and the two sets of foot support frames are movably connected to a patrol flight mechanism.

[0007] As a further improvement of the present invention: the patrol flight mechanism includes a drone movably connected to a footrest, a camera fixedly connected to the drone, an auxiliary light source fixedly connected to the drone, a second independent power supply fixedly connected to the drone, a wireless charging receiver fixedly installed on the second independent power supply, the wireless charging receiver being movably connected to a wireless power supply structure, a first dual-output shaft motor fixedly installed at the lower end of the drone, a linkage plate fixedly connected to the output end of the first dual-output shaft motor, two sets of active grippers fixedly connected to the linkage plate, the active grippers being movably connected to the frame, a power socket movably connected to a power supply plug fixedly connected to the linkage plate, and a communication socket movably connected to a communication plug fixedly connected to the linkage plate.

[0008] As a further improvement of the present invention: the abutment deformation component includes a first tension sensor fixedly connected to the frame, the first tension sensor being fixedly connected to a cover, the cover being connected to a housing by multiple sets of bolts, the housing being fixedly connected to a sealing ring, the sealing ring being slidably connected to multiple sets of linearly arranged water-collecting frames, adjacent sets of water-collecting frames being slidably connected to each other, each of the water-collecting frames arranged at both ends of the multiple sets of water-collecting frames being slidably connected to a set of water-blocking frames, the water-blocking frames being slidably connected to the sealing ring, both the water-blocking frames and the water-collecting frames being slidably connected to the housing, both the water-blocking frames and the water-collecting frames being fixedly connected to a spring, the spring being fixedly connected to a second tension sensor fixedly connected to the housing, both the water-blocking frames and the water-collecting frames being fixedly installed with sealing strips, two sets of sealing strips in contact with each other being slidably connected to each other, both the water-blocking frames and the water-collecting frames being fixedly installed with elastic rubber blocks, the elastic rubber blocks fixedly connected to the water-collecting frames being provided with water-guiding surfaces, and a leakage recovery hopper being provided below the housing.

[0009] As a further improvement of the present invention: the center of gravity balancing component includes a third tension sensor fixedly connected to the frame, the third tension sensor being fixedly connected to a guide rail, the guide rail being fixedly connected to a servo motor, the output shaft of the servo motor being fixedly connected to a lead screw, the lead screw being threadedly connected to a hanger slidably connected to the guide rail, and the hanger being fixedly connected to a counterweight.

[0010] As a further improvement of the present invention: the liquid recovery and measurement mechanism includes a liquid collection tank fixedly connected to the bracket, a filter screen fixedly connected to the liquid collection tank, and an electronic liquid level gauge fixedly installed inside the liquid collection tank.

[0011] As a further improvement of the present invention: the wireless power supply structure includes a second dual-output shaft motor fixedly connected to the base frame, the output shaft of the second dual-output shaft motor is fixedly connected to a rotating frame, the rotating frame is fixedly connected to a wireless charging transmitter movably connected to a wireless charging receiver, and the rotating frame is fixedly connected to a lighting lamp.

[0012] Compared with the prior art, the beneficial effects of the present invention are: In operation, the wireless power supply structure is detached from the inspection flight mechanism, and the inspection flight mechanism is separated from the frame. The inspection flight mechanism then takes off independently, with the sampling hoisting mechanism placed on the bracket. The inspection flight mechanism performs aerial video recording of the waterproofing curtain to inspect for leaks. During this process, the wireless communication control module identifies leak points in the images. The inspection flight mechanism then moves to the takeoff and landing support mechanism, which lowers the inspection flight mechanism, allowing it to connect with the power and communication plugs. The inspection flight mechanism then clamps onto the frame. Finally, the inspection flight mechanism... The sampling hoisting mechanism flies towards the leak point. The patrol flight mechanism adjusts the angle of the frame, and the abutment deformation component abuts against the wall of the water-stop curtain. Then, under the pressure of the water-stop curtain, the abutment deformation component undergoes adaptive deformation, making it fit the water-stop curtain. The abutment deformation component collects the leaked water for a period of time. During this period, the center of gravity balancing component adjusts the center of gravity of the sampling hoisting mechanism to eliminate the center of gravity shift caused by water collection. Then, the patrol flight mechanism carries the sampling hoisting mechanism to the liquid recovery and measurement mechanism and puts the collected water into the liquid recovery and measurement mechanism for leakage measurement. This invention achieves automated patrol and detection of water-stop curtains of different structures by cooperating with the patrol detection structure and the wireless power supply structure. After a leak point is found, the leakage amount is automatically preliminarily detected to make a preliminary judgment on the leakage situation before personnel arrive. This enables 24-hour automated leakage detection of water-stop curtains, saving manpower and facilitating leakage detection around the clock. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0014] Figure 2 This is a three-dimensional structural diagram of the wireless power supply structure of the present invention.

[0015] Figure 3 This is a three-dimensional structural diagram of the inspection and detection structure of the present invention.

[0016] Figure 4 This is a three-dimensional structural diagram of the patrol flight mechanism of the present invention.

[0017] Figure 5 This is a three-dimensional structural schematic diagram of the patrol flight mechanism of the present invention from another perspective.

[0018] Figure 6 This is a three-dimensional structural diagram of the sampling and hoisting mechanism of the present invention.

[0019] Figure 7 This is a three-dimensional structural schematic diagram of the sampling and hoisting mechanism of the present invention from another perspective.

[0020] Figure 8 This is a schematic diagram of the structure of the contact deformation component of the present invention.

[0021] Figure 9 For the present invention Figure 8 A magnified view of a portion of point A in the middle.

[0022] Figure 10 This is a cross-sectional view of the liquid recovery and testing mechanism of the present invention.

[0023] In the diagram: 1. Base frame; 2. Wireless communication control module; 3. Inspection and detection structure; 4. Bracket; 5. Liquid recovery and testing mechanism; 6. Take-off and landing support mechanism; 7. Inspection flight mechanism; 8. Sampling and hoisting mechanism; 9. Frame; 10. Power supply plug; 11. Communication plug; 12. Center of gravity balance component; 13. Contact deformation component; 14. First independent power supply; 15. Wireless power supply structure; 16. First active telescopic frame; 17. Support frame; 18. UAV; 19. Camera; 20. Auxiliary light source; 21. Second independent power supply; 22. Wireless charging receiver; 23. First dual-output shaft motor; 24. Linkage plate; 25. Active 26. Gripper; 27. Power socket; 28. Communication socket; 29. ​​First tension sensor; 30. Cover; 31. Housing; 32. Sealing ring; 33. Water support frame; 34. Water baffle; 35. Spring; 36. Second tension sensor; 37. Sealing strip; 38. Elastic rubber block; 39. Water guide surface; 40. Leakage recovery hopper; 41. Third tension sensor; 42. Guide rail; 43. Servo motor; 44. Lead screw; 45. Hanger; 46. Counterweight; 47. Liquid collection tank; 48. Filter screen; 49. Electronic level gauge; 50. Second dual-shaft motor; 51. Rotating frame; 52. Wireless charging transmitter; 53. Lighting lamp. Detailed Implementation

[0024] The technical solution of the present invention will be further described in detail below with reference to specific embodiments.

[0025] Example 1, see Figures 1-10 As shown, a leakage detection device for underground engineering water-stop curtain includes a base frame 1, a wireless communication control module 2 fixedly installed in the middle of the base frame 1, the wireless communication control module 2 being used for wireless communication and information processing, and also includes: Four sets of inspection and detection structures 3 are connected to the base frame 1. Each inspection and detection structure 3 includes a bracket 4 fixedly connected to the base frame 1. The bracket 4 is fixedly connected to a liquid recovery and testing mechanism 5. The bracket 4 is connected to a take-off and landing support mechanism 6. The take-off and landing support mechanism 6 is movably connected to an inspection flight mechanism 7. The inspection flight mechanism 7 is movably connected to a sampling hoisting mechanism 8. The sampling hoisting mechanism 8 includes a frame 9 movably connected to the inspection flight mechanism 7. The frame 9 is movably connected to the bracket 4. The frame 9 is fixedly connected to a power supply plug 10. The power supply plug 10 is movably connected to the inspection flight mechanism 7. The frame 9 is fixedly connected to a communication plug 11. The communication plug 11 is movably connected to the inspection flight mechanism 7. The frame 9 is connected to a center of gravity balance component 12. The frame 9 is connected to an abutment deformation component 13. The frame 9 is fixedly connected to a first independent power supply 14. The first independent power supply 14 is electrically connected to the power supply plug 10. Four sets of wireless power supply structures 15 are connected to the base frame 1, and the wireless power supply structures 15 are movably connected to the patrol flight mechanism 7.

[0026] In use, the wireless power supply structure 15 is detached from the patrol flight mechanism 7, and the patrol flight mechanism 7 is separated from the frame 9. The patrol flight mechanism 7 then takes off independently, with the sampling hoisting mechanism 8 placed on the bracket 4. The patrol flight mechanism 7 performs aerial video recording of the waterproof curtain to inspect for leaks. During this process, the wireless communication control module 2 identifies leak points in the images. The patrol flight mechanism 7 then moves to the take-off and landing support mechanism 6, which lowers it, allowing it to connect with the power supply plug 10 and communication plug 11. The patrol flight mechanism 7 then clamps onto the frame 9. 7 drives the sampling hoisting mechanism 8 to fly towards the leak point. The patrol flight mechanism 7 adjusts the angle of the frame 9 and abuts the deformation component 13 against the wall of the water-stop curtain. Then, under the pressure of the water-stop curtain, the deformation component 13 undergoes adaptive deformation, so that the deformation component 13 fits the water-stop curtain. The deformation component 13 collects the leaked water for a period of time. During this period, the center of gravity balance component 12 adjusts the center of gravity to adjust the center of gravity of the sampling hoisting mechanism 8, thereby eliminating the center of gravity shift caused by water collection. Then, the patrol flight mechanism 7 carries the sampling hoisting mechanism 8 to fly towards the liquid recovery and measurement mechanism 5 and puts the collected water into the liquid recovery and measurement mechanism 5 to measure the amount of leakage. This invention achieves automated inspection and detection of water-stop curtains of different structures by using the inspection and detection structure 3 and the wireless power supply structure 15 in cooperation. After a leakage point is found, the leakage amount is automatically preliminarily detected to make a preliminary judgment on the leakage situation before personnel arrive. This enables all-day automated leakage detection of water-stop curtains, saving manpower and facilitating leakage detection around the clock.

[0027] In one embodiment, the take-off and landing support mechanism 6 includes two sets of first active telescopic frames 16 fixedly connected to the bracket 4. Each first active telescopic frame 16 has a fixedly connected foot support 17 at its movable end. The two sets of foot supports 17 are movably connected to a patrol flight mechanism 7. The foot supports 17 are used to support the patrol flight mechanism 7, and the height of the patrol flight mechanism 7 is adjusted by moving the foot supports 17 through the first active telescopic frames 16.

[0028] In one embodiment, the patrol flight mechanism 7 includes a drone 18 movably connected to a footrest 17. The drone 18 is communicatively connected to a wireless communication control module 2. The drone 18 is fixedly connected to a camera 19 and an auxiliary light source 20. The drone 18 is fixedly connected to a second independent power supply 21, and a wireless charging receiver 22 is fixedly installed on the second independent power supply 21. The wireless charging receiver 22 is movably connected to a wireless power supply structure 15. A first dual-axis motor 23 is fixedly installed at the lower end of the drone 18. A linkage plate 24 is fixedly connected to the output end of the first dual-axis motor 23. Two sets of active grippers 25 are fixedly connected to the linkage plate 24. The active grippers 25 are movably connected to the frame 9. A power socket 26 is fixedly connected to the linkage plate 24 and movably connected to the power supply plug 10. A communication socket 27 is fixedly connected to the linkage plate 24 and movably connected to the communication plug 11. When the drone 18 takes off alone, the camera 19 captures images and transmits information to the wireless communication control module 2 through the built-in communication module of the drone 18. Due to the auxiliary light source 20, the patrol flight mechanism 7 has the function of night patrol. After the active gripper 25 grips the frame 9, the first dual-axis motor 23 drives the linkage plate 24 to rotate to adjust the orientation angle of the contact deformation component 13. The wireless power supply structure 15 supplies power to the wireless charging receiver 22 to supply power to the second independent power supply 21. When the power plug 10 is connected to the power socket 26, the first independent power supply 14 is powered by the wireless charging receiver 22. The communication connection between the drone 18 and the sampling hoisting mechanism 8 is realized by connecting the communication socket 27 to the communication plug 11.

[0029] In one embodiment, the abutment deformation assembly 13 includes a first tension sensor 28 fixedly connected to the frame 9. The first tension sensor 28 is fixedly connected to a cover 29. The cover 29 is connected to a housing 30 by multiple sets of bolts. A sealing ring 31 is fixedly connected to the housing 30. Multiple sets of linearly arranged water-collecting brackets 32 are slidably connected to the sealing ring 31. Adjacent sets of water-collecting brackets 32 are slidably connected to each other. Each water-collecting bracket 32 ​​at both ends of the multiple sets of water-collecting brackets 32 is slidably connected to a set of water-blocking brackets 33. The water-blocking brackets 33 are slidably connected to the sealing ring 31. Both the water-blocking brackets 33 and the water-collecting brackets 32 are connected to the housing 9. The water baffle 33 and the water support 32 are both fixedly connected to a spring 34. The spring 34 is fixedly connected to a second tension sensor 35 that is fixedly connected to the housing 30. The water baffle 33 and the water support 32 are both fixedly installed with sealing strips 36. The two sets of sealing strips 36 that are in contact with each other are slidably connected. By setting the sealing strips 36, the sliding sealing performance of the abutment deformation component 13 is improved. The water baffle 33 and the water support 32 are both fixedly installed with elastic rubber blocks 37. The elastic rubber blocks 37 that are fixedly connected to the water support 32 are provided with water guiding surfaces 38. A leakage recovery hopper 39 is provided below the housing 30. As the elastic rubber block 37 abuts against the surface of the water-stop curtain, the water-blocking frame 33 and the water-supporting frame 32 slide relative to the sealing ring 31, the spring 34 is compressed, and the sealing strips 36 that are in contact slide relative to each other and remain in contact. The housing 30 provides a moving guide for the water-blocking frame 33 and the water-supporting frame 32. Afterwards, most of the water seeping out from the leakage point flows along the water guiding surface 38 into the open space jointly enclosed by the elastic rubber block 37, the housing 30, the sealing ring 31, the water-blocking frame 33, and the water-supporting frame 32. By setting the sealing ring 31 and the sealing strip 36, the amount of water flowing out from the gap between the water-blocking frame 33 and the water-supporting frame 32 is reduced. During this period, the water seeping out from between the water-blocking frame 33 and the water-supporting frame 32 is collected by the leakage recovery hopper 39. As the seepage water mixed with mud and sand is collected, the first tension sensor 28 measures an increase in tension.

[0030] In one embodiment, the center-of-gravity balancing assembly 12 includes a third tension sensor 40 fixedly connected to the frame 9. The third tension sensor 40 is fixedly connected to a guide rail 41, and a servo motor 42 is fixedly connected to the guide rail 41. The output shaft of the servo motor 42 is fixedly connected to a lead screw 43, which is threadedly connected to a hanger 44 slidably connected to the guide rail 41. A counterweight 45 is fixedly connected to the hanger 44. As the tension measured by the first tension sensor 28 increases, the servo motor 42 drives the lead screw 43 to rotate, causing the hanger 44 to move the counterweight 45 away from the contact deformation assembly 13, thereby preventing excessive changes in the center of gravity of the sampling and hoisting mechanism 8 and stabilizing the flight attitude of the patrol flight mechanism 7.

[0031] In one embodiment, the liquid recovery and measurement mechanism 5 includes a collection tank 46 fixedly connected to the bracket 4. A filter screen 47 is fixedly connected to the collection tank 46, and an electronic level gauge 48 is fixedly installed inside the collection tank 46. The first dual-shaft motor 23 drives the linkage plate 24 to rotate, causing the active gripper 25 to drive the frame 9 to rotate, thereby allowing the seepage water and sediment collected by the abutment deformation component 13 to be poured into the collection tank 46. Then, the filter screen 47 intercepts the sediment, and the electronic level gauge 48 measures the liquid level change to preliminarily determine the amount of water seeping from the leak point. The wireless communication control module 2 obtains the leakage coefficient by subtracting the collection time used from the liquid level change height and compares it with the database to determine the leakage situation.

[0032] Example 2, based on Example 1, see [link / reference] Figure 1 , Figure 2 , Figure 4 The wireless power supply structure 15 includes a second dual-axis motor 49 fixedly connected to the base frame 1. A rotating frame 50 is fixedly connected to the output shaft of the second dual-axis motor 49. A wireless charging transmitter 51, movably connected to the wireless charging receiver 22, is fixedly connected to the rotating frame 50. The wireless charging transmitter 51 is externally connected to a power source. A lighting lamp 52 is fixedly connected to the rotating frame 50. The wireless charging transmitter 51 wirelessly supplies power to the wireless charging receiver 22. Under the drive of the second dual-axis motor 49 on the rotating frame 50, the wireless charging transmitter 51 and the wireless charging receiver 22 are separated, facilitating illumination by the lighting lamp 52, so that the drone 18 can accurately return to base during nighttime patrols.

[0033] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention.

Claims

1. A leakage detection device for underground engineering water-stop curtains, comprising a base frame, wherein a wireless communication central control module is fixedly installed in the middle of the base frame, characterized in that, Also includes: The system includes four inspection and detection structures connected to the base frame. Each inspection and detection structure includes a bracket fixedly connected to the base frame, a liquid recovery and testing mechanism fixedly connected to the bracket, a take-off and landing support mechanism connected to the bracket, an inspection flight mechanism movably connected to the take-off and landing support mechanism, and a sampling and hoisting mechanism movably connected to the inspection flight mechanism. The sampling and hoisting mechanism includes a frame movably connected to the inspection flight mechanism and the bracket. The frame is fixedly connected to a power supply plug, which is movably connected to the inspection flight mechanism. The frame is also fixedly connected to a communication plug, which is movably connected to the inspection flight mechanism. The frame is connected to a center of gravity balancing component and an abutment deformation component. The frame is also fixedly connected to a first independent power supply, which is electrically connected to the power supply plug. Four sets of wireless power supply structures are connected to the base frame, and the wireless power supply structures are movably connected to the patrol flight mechanism.

2. The leakage detection device for underground engineering water-stop curtains according to claim 1, characterized in that, The take-off and landing support mechanism includes two sets of first active telescopic frames fixedly connected to the support frame. The moving end of the first active telescopic frame is fixedly connected to a foot support frame. The two sets of foot supports are movably connected to a patrol flight mechanism.

3. The leakage detection device for underground engineering water-stop curtains according to claim 2, characterized in that, The patrol flight mechanism includes a drone movably connected to a footrest, a camera fixedly connected to the drone, an auxiliary light source fixedly connected to the drone, a second independent power supply fixedly connected to the drone, a wireless charging receiver fixedly installed on the second independent power supply, the wireless charging receiver being movably connected to a wireless power supply structure, a first dual-output shaft motor fixedly installed at the lower end of the drone, a linkage plate fixedly connected to the output end of the first dual-output shaft motor, two sets of active grippers fixedly connected to the linkage plate, the active grippers being movably connected to the frame, a power socket movably connected to a power plug fixedly connected to the linkage plate, and a communication socket movably connected to a communication plug fixedly connected to the linkage plate.

4. The leakage detection device for underground engineering water-stop curtains according to claim 1, characterized in that, The abutment deformation assembly includes a first tension sensor fixedly connected to the frame, a cover fixedly connected to the first tension sensor, a housing connected to the cover by multiple sets of bolts, a sealing ring fixedly connected to the housing, multiple sets of linearly arranged water-collecting brackets slidably connected to the sealing ring, adjacent sets of water-collecting brackets slidably connected to each other, a set of water-blocking brackets slidably connected to the water-collecting brackets at both ends of the multiple sets of water-collecting brackets, the water-blocking brackets slidably connected to the sealing ring, the water-blocking brackets and water-collecting brackets slidably connected to the housing, springs fixedly connected to the water-blocking brackets and a second tension sensor fixedly connected to the housing, sealing strips fixedly installed on the water-blocking brackets and water-collecting brackets, two sets of sealing strips slidably connected to each other, elastic rubber blocks fixedly installed on the water-blocking brackets and water-collecting brackets, the elastic rubber blocks fixedly connected to the water-collecting brackets being provided with water-guiding surfaces, and a leakage recovery hopper provided below the housing.

5. The leakage detection device for underground engineering water-stop curtains according to claim 1, characterized in that, The center of gravity balancing assembly includes a third tension sensor fixedly connected to the frame, a guide rail fixedly connected to the third tension sensor, a servo motor fixedly connected to the guide rail, a lead screw fixedly connected to the output shaft of the servo motor, a hanger threadedly connected to the lead screw and slidably connected to the guide rail, and a counterweight fixedly connected to the hanger.

6. The leakage detection device for underground engineering water-stop curtains according to claim 1, characterized in that, The liquid recovery and testing mechanism includes a liquid collection tank fixedly connected to the bracket, a filter screen fixedly connected to the liquid collection tank, and an electronic level gauge fixedly installed inside the liquid collection tank.

7. The leakage detection device for underground engineering water-stop curtains according to claim 3, characterized in that, The wireless power supply structure includes a second dual-output shaft motor fixedly connected to the base frame. The output shaft of the second dual-output shaft motor is fixedly connected to a rotating frame. The rotating frame is fixedly connected to a wireless charging transmitter movably connected to a wireless charging receiver. The rotating frame is fixedly connected to a lighting lamp.

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