Detection and plugging integrated system and method for underwater seepage point of dam

Abstract

The invention discloses a dam underwater seepage point detecting and plugging integrated system and method, and relates to the field of dam safety maintenance. The dam underwater seepage point detection and plugging integrated system comprises a suspension frame and further comprises a sleeve fixedly connected to the suspension frame; the piston disc is connected in the sleeve in a sliding manner; one end of the spring is fixedly connected with the inner wall of the sleeve, and the other end of the spring is fixedly connected with the piston disc; through the synergistic effect of the sealing air bag, the spring piston disc and the conducting ring warning indicator, efficient and reliable plugging is achieved, the sealing air bag expands to fill gaps, water seepage is isolated, equipment is fixed, and the impact resistance is enhanced through the L-shaped design; the spring is matched with the piston disc, so that the gap is uniformly filled with polyurethane, the piston disc moves to supply air to the air bag, and the whole-course sealing stability is ensured; the conducting ring and the warning indicator feed back the plugging state in real time, diving operation of personnel is avoided, and efficiency and safety are improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of dam safety maintenance. Specifically, it relates to an integrated system and method for detecting and plugging underwater seepage points of dams. Background Art

[0002] In dam maintenance projects, plugging seepage points is a key link to ensure the safe operation of dams, which is directly related to the stability and service life of water conservancy facilities.

[0003] Currently, for the treatment of underwater seepage points of dams, usually, detection equipment such as sonar and radar is first used to determine the position of the seepage points. Then, workers need to dive to the designated area, use underwater drilling equipment to drill holes at the seepage points, and finally, through manual or robotic arm operation of the grouting equipment, inject plugging materials into the gaps to complete the plugging. However, in the existing dam seepage point plugging equipment, during the plugging process, due to the relatively single injection method, it is difficult to control the filling state of the plugging materials, which easily leads to uneven distribution of the materials, resulting in voids or cracks, affecting the plugging effect and durability. At the same time, the lack of effective real-time monitoring means makes it impossible for workers to master the plugging progress, and they often need to repeatedly dive to check. This not only increases the labor cost and operation time but also poses a greater safety hazard and cannot meet the requirements of efficient and safe maintenance of dams. In view of this, the present invention is specifically proposed. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide an integrated system and method for detecting and plugging underwater seepage points of dams that can overcome or at least partially solve the above problems.

[0005] To solve the above technical problems, the basic concept of the technical solution adopted by the present invention is as follows: An integrated system for detecting and plugging underwater seepage points of dams includes a suspension frame, and further includes: a sleeve fixedly connected to the suspension frame; a piston disk slidably connected within the sleeve; a spring disposed within the sleeve, one end fixedly connected to the inner wall of the sleeve and the other end fixedly connected to the piston disk; a grouting pipe slidably connected to the sleeve and fixedly connected to the piston disk; a grouting nozzle fixedly and communicatively connected to the output end of the grouting pipe; a first material conveying pipe connected to the input end of the grouting pipe; a first conductive ring and a second conductive ring, both disposed within the sleeve and used to control the switch of an external warning device, wherein the first conductive ring is fixedly installed on the piston disk, the second conductive ring is fixedly installed on the inner wall of the sleeve, and the warning device is used to prompt the staff about the plugging state of the seepage point gap; a sealing gasket arranged in a ring shape is provided on the grouting nozzle.

[0006] Preferably, a fixing ring is fixedly connected to the sleeve, and a sealing airbag is arranged on the fixing ring. The sealing airbag is arranged in a ring shape and sleeved on the sleeve; an air delivery pipe with a valve switch is communicated with the sealing airbag, and the cross section of the sealing airbag is arranged in an L shape.

[0007] In order to inflate and pressurize the sealing airbag when plugging the seepage point gap, further, a conduit one and a conduit two are fixedly communicated with the sleeve, and the sleeve is communicated with the sealing airbag through the conduit two.

[0008] Preferably, it further includes a feeding pump and a storage tank placed on the ground or a transport vehicle. The input end of the feeding pump is communicated with the storage tank, the output end of the feeding pump is communicated with the input end of the feeding pipe one through a feeding pipe three, and the warning device is fixedly installed on the storage tank.

[0009] Further, a mixing tank is fixedly installed on the suspension frame. A feeding chamber, a material suction chamber, and a mixing chamber are arranged in the mixing tank. The material suction chamber is respectively communicated with the output end of the feeding chamber and the input end of the mixing chamber. The feeding chamber is arranged in a conical shape. The output end of the feeding pipe three is communicated with the feeding chamber, and the input end of the feeding pipe one is communicated with the output end of the mixing chamber; a storage tank is arranged on one side of the mixing tank; a feeding pipe two with a control valve has one end fixedly communicated with the storage tank and the other end communicated with the material suction chamber.

[0010] In order to be able to clean the moss attached to the inner wall of the seepage point gap before plugging the seepage point gap, even further, a submersible pump is fixedly installed on the sleeve, and the output end of the submersible pump is communicated with the feeding chamber through a water delivery pipe.

[0011] In order to mix the polyurethane and triethanolamine solution input into the mixing chamber and reduce the viscosity of the polyurethane, even further, a rotating shaft is arranged in the mixing chamber. One end of the rotating shaft passing through the feeding chamber is rotatably connected to the inner wall of the feeding chamber, and a disturbing rod is fixedly connected to the outer wall of one end of the rotating shaft located in the mixing chamber.

[0012] In order to drive the rotating shaft to rotate, even further, an impeller is fixedly installed on one end of the rotating shaft located in the feeding chamber, and the output ends of the water delivery pipe and the feeding pipe three correspond to the impeller.

[0013] In order to facilitate the overall sinking of the suspension frame into the water through the lifting rings, preferably, lifting rings are symmetrically and fixedly connected to both ends of the suspension frame. The lifting rings can cooperate with an external lifting device to enable the overall sinking of the suspension frame into the water, and then inject the plugging material into the seepage point gap of the dam body through the grouting pipe and the grouting nozzle.

[0014] The method of using the integrated system for detecting and blocking underwater seepage points in dams includes the following steps: Step 1: Use radar detection equipment to scan the dam body, determine the location of the leakage point, and then use drilling equipment to drill holes at the leakage point; Step 2: Use the lifting equipment and the suspension frame to sink the equipment underwater and move it to the drilling location; Step 3: Insert the grouting nozzle into the drill hole, inflate the sealing airbag through the air pipe, expand it to fill the gap between the sleeve and the drill hole, and fix the suspension frame; Step 4: The polyurethane solution is delivered to the grouting pipe through the feed pipe 1. The solution flows into the gap and solidifies, expands and seals it. During this period, the piston disc moves under pressure, and the gas in the compression sleeve is replenished to the sealing airbag through the conduit 2; Step 5: The alarm will indicate the plugging progress by the contact status of the conductive ring 1 and the conductive ring 2. When the contact occurs, the alarm will start flashing, indicating that the plugging operation is completed. Step 6: Release the sealed airbag gas, and then use the lifting equipment to recover the equipment.

[0015] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art: The present invention fills the sleeve and the drilled hole gap after the sealing airbag is inflated, which can not only isolate water seepage in the dam body and create a dry and solidified environment for the sealing material to ensure the sealing effect, but also firmly fix the equipment, resist the impact of water flow, and maintain the stability of the grouting operation. The buffer zone formed by its L-shaped design further enhances the impact resistance. The spring and the piston disc work together to make the polyurethane evenly stressed during expansion, slowly and fully filling the gap to avoid the occurrence of voids and cracks, ensuring that the sealing material is dense and uniform, and improving the sealing effect. At the same time, the gas in the sleeve is compressed during the movement of the piston disc to replenish the sealing airbag, ensuring that the airbag maintains a good sealing and fixing effect throughout the grouting process. In addition, the conductive ring is combined with the alarm to provide real-time feedback on the sealing status. The staff can grasp the progress of the operation without diving, which not only improves work efficiency, but also avoids diving risks and ensures personnel safety.

[0016] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In the attached picture: Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a partial structural schematic diagram of the present invention; Figure 3 It is a cross-sectional view of the sleeve, grouting pipe, and mixing tank of the present invention; Figure 4 This is a schematic diagram of the internal structure of the carrier plate sleeve and mixing tank of the present invention; Figure 5 are cross-sectional views of the sleeve and the sealing airbag of the present invention; Figure 6 are cross-sectional views of the mixing tank and the storage tank of the present invention.

[0018] In the figure: 1, suspension frame; 101, lifting ring; 2, sleeve; 201, fixing ring; 202, piston disc; 203, grouting pipe; 204, grouting nozzle; 205, sealing gasket; 206, spring; 207, first material conveying pipe; 3, sealing airbag; 301, air supply pipe; 302, first conduit; 303, second conduit; 4, mixing tank; 401, material conveying chamber; 402, material suction chamber; 403, mixing chamber; 404, storage tank; 405, second material conveying pipe; 406, third material conveying pipe; 407, material conveying pump; 408, storage box; 5, first conductive ring; 501, second conductive ring; 502, warning device; 6, rotating shaft; 601, disturbing rod; 602, impeller; 7, submersible pump; 701, water supply pipe. Detailed implementation manners

[0019] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments in conjunction with the accompanying drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0020] Embodiment 1: Refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , a water leakage point detection and plugging integrated system for a dam underwater, including a suspension frame 1, and further including: a sleeve 2 fixedly connected to the suspension frame 1; a piston disc 202 slidably connected inside the sleeve 2; a spring 206 disposed inside the sleeve 2, one end fixedly connected to the inner wall of the sleeve 2 and the other end fixedly connected to the piston disc 202; a grouting pipe 203 slidably connected to the sleeve 2 and fixedly connected to the piston disc 202; a grouting nozzle 204 fixedly communicating with the output end of the grouting pipe 203; a first material conveying pipe 207 connected to the input end of the grouting pipe 203; a first conductive ring 5 and a second conductive ring 501, both disposed inside the sleeve 2 and used to control the switch of an external warning device 502, wherein the first conductive ring 5 is fixedly installed on the piston disc 202, the second conductive ring 501 is fixedly installed on the inner wall of the sleeve 2, and the warning device 502 is used to prompt the staff about the plugging state of the leakage point gap; a sealing gasket 205 arranged in a ring shape and disposed on the grouting nozzle 204.

[0021] A fixing ring 201 is fixedly connected to the sleeve 2, and a sealing airbag 3 is arranged on the fixing ring 201. The sealing airbag 3 is arranged in a ring shape and sleeved on the sleeve 2; An air delivery pipe 301 with a valve switch is communicated with the sealing airbag 3, and the cross section of the sealing airbag 3 is arranged in an L shape.

[0022] A first conduit 302 and a second conduit 303 are fixedly communicated with the sleeve 2, and the sleeve 2 is communicated with the sealing airbag 3 through the second conduit 303.

[0023] Lifting rings 101 are symmetrically and fixedly connected to both ends of the suspension frame 1. The lifting rings 101 can cooperate with external lifting equipment to sink the whole suspension frame 1 underwater, and then inject sealing materials into the cracks of the dam seepage points through the grouting pipe 203 and the grouting nozzle 204.

[0024] The usage method of the integrated system for detecting and plugging underwater seepage points of the dam is as follows: When in use, first use a radar detection device to comprehensively scan the dam to accurately detect whether there is a leakage situation in the dam and the specific location of the leakage point. After determining the location of the leakage point, the staff dives underwater and uses professional drilling equipment to drill holes at the leakage point for subsequent plugging of the seepage point cracks using this equipment. Radar detection can avoid blindly searching for leakage points, save labor and time costs, and improve work efficiency; When plugging, first use the lifting equipment to cooperate with the lifting rings 101 to sink the whole suspension frame 1 underwater. The lifting equipment can accurately control the position of the suspension frame 1 to move it to the drilled hole position. The setting of the lifting rings 101 ensures the stability and safety of the whole suspension frame 1 during the lifting process, thus facilitating the accurate arrival of the equipment at the predetermined position, reducing the underwater positioning difficulty, and improving the convenience and accuracy of the operation; The staff dives underwater again, inserts the grouting nozzle 204 into the drilled hole, and the insertion depth matches the drilling depth. At this time, part of the sleeve 2 is inserted into the drilled hole, and the fixing ring 201 contacts the dam surface. Then, inflate the sealing airbag 3 through the air delivery pipe 301 with a valve switch. The sealing airbag 3 is arranged in an L shape and can fill the gap between the sleeve 2 and the drilled hole after expansion. On the one hand, it effectively prevents the water in the dam from continuously seeping into the drilled hole, ensures that the sealing material solidifies in a relatively dry environment, and improves the plugging effect. On the other hand, the expanded airbag generates an outward supporting force to firmly fix the whole suspension frame 1 on the dam, preventing the equipment from shaking or shifting due to water flow impact or other external forces during the grouting process, ensuring the stability of the grouting operation. At the same time, the L-shaped airbag forms a buffer zone between the fixing ring 201 and the dam surface, which can relieve the impact force of the water flow on the equipment and further enhance the stability of the equipment; Then, the polyurethane solution is conveyed to the grouting pipe 203 through the first material conveying pipe 207. The solution flows into the seepage point gap of the dam body through the grouting nozzle 204. At this time, the isocyanate groups in the polyurethane solution come into contact with the residual water in the gap, triggering a curing reaction and starting to expand. Utilizing its good adhesiveness and waterproofness, the seepage point gap is sealed. The elasticity and durability of the polyurethane can adapt to the possible minor deformations of the dam body, maintaining a long-term sealing effect. As the polyurethane gradually expands, the pressure in the gap increases, pushing the piston disk 202 to slide out of the drill hole in the sleeve 2 against the elastic force of the spring 206. During this process, the gas stored in the sleeve 2 is gradually compressed, and the compressed gas is conveyed into the sealing airbag 3 through the second conduit 303, enabling the sealing airbag 3 to continuously obtain supplementary air during the grouting process and maintain a good expanded state. On the one hand, the continuous and stable sealing effect prevents the water in the dam body from seeping into the drill hole and affecting the curing of the polyurethane. On the other hand, it enhances the fixing effect of the suspension frame 1 on the dam body, preventing equipment displacement caused by grouting pressure fluctuations and ensuring the stable progress of the grouting operation. At the same time, the elastic force of the spring 206 provides a reverse resistance, enabling the polyurethane to be uniformly pressured during the expansion process, allowing the polyurethane to slowly and fully fill the seepage point gap, avoiding the formation of cavities or cracks due to excessive expansion speed resulting in local high pressure, ensuring the density and uniformity of the sealing material, and improving the sealing effect; During the grouting process, the sealing gasket 205 on the grouting nozzle 204 further enhances the sealing performance with the drill hole wall, preventing the polyurethane solution from leaking from the contact area between the grouting nozzle 204 and the drill hole under high pressure, effectively reducing material waste, and ensuring that all polyurethane solutions are used for gap sealing; When the first conductive ring 5 is not in contact with the second conductive ring 501, the warning device 502 is in the extinguished state, indicating that the sealing operation is in progress. As the piston disk 202 slides out of the drill hole, when the first conductive ring 5 comes into contact with the second conductive ring 501, the warning device 502 is triggered to start flashing, indicating that the sealing operation is completed. This real-time monitoring function enables the staff to promptly grasp the sealing progress and effect on the water surface without repeatedly diving for inspection, not only improving work efficiency but also avoiding the safety risks of diving operations and ensuring the personal safety of the staff; After the plugging operation is completed, the operator opens the valve on the gas transmission pipe 301, and the gas in the sealing airbag 3 starts to be released. The airbag gradually contracts, which can release the fixing effect of the sealing airbag 3 on the suspension frame 1, and at the same time eliminate the pressure between the airbag and the dam surface and the sleeve 2. After the gas in the sealing airbag 3 is released, the previously compressed spring 206 starts to release elastic potential energy, generating a thrust to push the piston disc 202 to move in the sleeve 2 away from the second conductive ring 501. During the movement of the piston disc 202, the outside gas is inhaled into the sleeve 2 through the first conduit 302 to make the air pressure in the sleeve 2 return to the balanced state, preparing for the next operation. After completing the above operations, with the cooperation of the lifting equipment and the lifting rings 101 at both ends of the suspension frame 1, the entire suspension frame 1 can be smoothly lifted and recovered from underwater.

[0025] It should be added that one-way valves are provided on the grouting pipe 203, the first conduit 302, and the second conduit 303. In specific implementation, in order to prevent the first material conveying pipe 207 from interfering with the movement of the piston disc 202, a stretchable and shrinkable hose needs to be selected.

[0026] Example 2: Refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 The integrated system for detecting and plugging underwater seepage points of the dam is basically the same as that in Example 1. Further, it also includes a material conveying pump 407 and a storage tank 408 placed on the ground or a transport vehicle. The input end of the material conveying pump 407 is connected to the storage tank 408, and the output end of the material conveying pump 407 is connected to the input end of the first material conveying pipe 207 through the third material conveying pipe 406. The warning device 502 is fixedly installed on the storage tank 408.

[0027] A mixing tank 4 is fixedly installed on the suspension frame 1. An input material chamber 401, a suction material chamber 402, and a mixing chamber 403 are arranged in the mixing tank 4. The suction material chamber 402 is respectively connected to the output end of the input material chamber 401 and the input end of the mixing chamber 403. The input material chamber 401 is arranged in a conical shape. The output end of the third material conveying pipe 406 is connected to the input material chamber 401, and the input end of the first material conveying pipe 207 is connected to the output end of the mixing chamber 403. A storage tank 404 is arranged on one side of the mixing tank 4. A second material conveying pipe 405 with a control valve has one end fixedly connected to the storage tank 404 and the other end connected to the suction material chamber 402.

[0028] A submersible pump 7 is fixedly installed on the sleeve 2. The output end of the submersible pump 7 is connected to the input material chamber 401 through a water conveying pipe 701.

[0029] Before plugging the seepage point gap, first repeat the operation steps of inserting the grouting nozzle 204 into the drill hole and fixing the equipment with the sealing airbag 3 in the above-mentioned Embodiment 1. Start the submersible pump 7, which pumps the water in the dam and transports it to the feeding chamber 401 of the mixing tank 4 through the water delivery pipe 701. When the water flows from the output end of the feeding chamber 401 to the mixing chamber 403, due to the rapid flow of the water, a negative pressure is formed in the material suction chamber 402. At this time, open the control valve on the second material delivery pipe 405, and the triethanolamine solution auxiliary material in the storage tank 404 enters the mixing chamber 403 through the second material delivery pipe 405 and the material suction chamber 402 under the dual action of negative pressure and its own gravity. In the mixing chamber 403, the water contacts and mixes with the triethanolamine solution. The mixed cleaning liquid is injected into the gap through the first material delivery pipe 207, the grouting pipe 203, and the grouting nozzle 204. Among them, the high-pressure scouring of water and the chemical action of the auxiliary material cooperate to clean the moss. Taking triethanolamine as an example, its alkalinity can damage the moss cell structure, and the property of reducing the surface tension enables the mixed liquid to penetrate better, loosen the moss, and then use the impact force of high-pressure water to wash it away from the gap. This combined cleaning method can more efficiently remove the stubborn moss in the gap compared with single high-pressure water flushing, avoid the influence of moss residue on the adhesion between the subsequent polyurethane plugging material and the gap surface, ensure that the plugging material can be closely combined with the gap, and improve the plugging quality; After the moss cleaning is completed, turn off the submersible pump 7 and start the material delivery pump 407 to transport the polyurethane solution in the storage tank 408 to the feeding chamber 401 through the third material delivery pipe 406. When the polyurethane solution flows from the output end of the feeding chamber 401 to the mixing chamber 403, a negative pressure is formed again in the material suction chamber 402. At this time, open the control valve on the second material delivery pipe 405, and the triethanolamine solution auxiliary material in the storage tank 404 enters the mixing chamber 403 through the second material delivery pipe 405 and the material suction chamber 402 under the dual action of negative pressure and its own gravity. In the mixing chamber 403, the polyurethane solution contacts and mixes with the triethanolamine solution, reducing the viscosity of the polyurethane solution and enhancing its fluidity, so that the mixed liquid has better fluidity when being transported into the seepage point gap through the grouting nozzle 204, can more smoothly fill into every corner of the gap, improve the filling density, reduce the voids and defects in the gap, and thus enhance the plugging effect.

[0030] Embodiment 3: Refer to Figure 1 、 Figure 2 、 Figure 4 、 Figure 6 The integrated underwater seepage point detection and plugging system of the dam is basically the same as that in Embodiment 1. Further, a rotating shaft 6 is arranged in the mixing chamber 403. One end of the rotating shaft 6 passing through the feeding chamber 401 is rotatably connected to the inner wall of the feeding chamber 401, and a disturbing rod 601 is fixedly connected to the outer wall of one end of the rotating shaft 6 located in the mixing chamber 403.

[0031] One end of the rotating shaft 6 located inside the material conveying cavity 401 is fixedly installed with an impeller 602, and the output ends of the water delivery pipe 701 and the material delivery pipe three 406 correspond to the impeller 602 respectively.

[0032] When cleaning the moss attached to the seepage point gap, when the water flow passes through the material conveying cavity 401, the water flow impacts the impeller 602, driving the rotating shaft 6 to rotate. As a result, the disturbing rod 601 located inside the mixing cavity 403 stirs and mixes the water and triethanolamine solution, enabling the water and triethanolamine solution to be fully mixed, and the alkalinity of triethanolamine to be evenly exerted, effectively destroying the moss cell structure, thereby helping the high-pressure water to better remove the stubborn moss inside the gap.

[0033] When plugging the seepage point gap, when the polyurethane solution passes through the material conveying cavity 401, the impeller 602 is continuously driven by the flowing impact of the polyurethane solution to drive the rotating shaft 6 and the disturbing rod 601 to rotate, causing it to fully stir the polyurethane solution and triethanolamine solution inside the mixing cavity 403, ensuring that the polyurethane solution and triethanolamine solution are fully mixed, enabling triethanolamine to be evenly dispersed in the polyurethane solution, effectively reducing its viscosity, significantly enhancing its fluidity, so that the mixed liquid with better fluidity can more fully fill the gap when injected into the gap, reducing voids and defects, and further improving the plugging effect.

[0034] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Although the present invention has been disclosed above with the preferred embodiments, it is not intended to limit the present invention.

Claims

1. An integrated system for detecting and plugging underwater seepage points of a dam, comprising a suspension frame (1), characterized in that, It further includes: A sleeve (2) fixedly connected to the suspension frame (1); A piston disc (202) slidably connected within the sleeve (2); A spring (206) disposed within the sleeve (2), with one end fixedly connected to the inner wall of the sleeve (2) and the other end fixedly connected to the piston disc (202); A grouting pipe (203) slidably connected to the sleeve (2) and fixedly connected to the piston disc (202); A grouting nozzle (204) fixedly and communicatively connected to the output end of the grouting pipe (203); A first material conveying pipe (207) communicatively connected to the input end of the grouting pipe (203); A first conductive ring (5) and a second conductive ring (501), both disposed within the sleeve (2) for controlling the switch of an external warning device (502). Among them, the first conductive ring (5) is fixedly installed on the piston disc (202), the second conductive ring (501) is fixedly installed on the inner wall of the sleeve (2), and the warning device (502) is used to prompt the staff about the sealing status of the leakage point gap; A sealing gasket (205) arranged in a ring shape and disposed on the grouting nozzle (204); A fixing ring (201) is fixedly connected to the sleeve (2), and a sealing airbag (3) is arranged on the fixing ring (201). The sealing airbag (3) is arranged in a ring shape and sleeved on the sleeve (2); An air supply pipe (301) with a valve switch, communicatively connected to the sealing airbag (3), and the cross-section of the sealing airbag (3) is arranged in an L shape.

2. The integrated system for detecting and plugging underwater seepage points of a dam according to claim 1, characterized in that, A first conduit (302) and a second conduit (303) are fixedly and communicatively connected to the sleeve (2), and the sleeve (2) is communicatively connected to the sealing airbag (3) through the second conduit (303).

3. The integrated system for detecting and plugging underwater seepage points of a dam according to claim 1, characterized in that, It further includes a material conveying pump (407) and a storage tank (408) placed on the ground or a transport vehicle. The input end of the material conveying pump (407) is communicatively connected to the storage tank (408), the output end of the material conveying pump (407) is communicatively connected to the input end of the first material conveying pipe (207) through a third material conveying pipe (406), and the warning device (502) is fixedly installed on the storage tank (408).

4. The integrated system for detecting and plugging underwater seepage points of a dam according to claim 3, characterized in that, A mixing tank (4) is fixedly installed on the suspension frame (1). An input chamber (401), a suction chamber (402), and a mixing chamber (403) are arranged within the mixing tank (4). The suction chamber (402) is respectively communicatively connected to the output end of the input chamber (401) and the input end of the mixing chamber (403). The input chamber (401) is arranged in a conical shape. The output end of the third material conveying pipe (406) is communicatively connected to the input chamber (401), and the input end of the first material conveying pipe (207) is communicatively connected to the output end of the mixing chamber (403); A storage tank (404) is arranged on one side of the mixing tank (4); A second material conveying pipe (405) with a control valve, with one end fixedly and communicatively connected to the storage tank (404) and the other end communicatively connected to the suction chamber (402).

5. The integrated system for detecting and plugging underwater seepage points of a dam according to claim 4, characterized in that, A submersible pump (7) is fixedly installed on the sleeve (2), and the output end of the submersible pump (7) is communicatively connected to the input chamber (401) through a water supply pipe (701).

6. The integrated system for detecting and plugging underwater seepage points of a dam according to claim 5, wherein, A rotating shaft (6) is arranged in the mixing chamber (403). One end of the rotating shaft (6) passing through the feeding chamber (401) is rotatably connected to the inner wall of the feeding chamber (401). A disturbing rod (601) is fixedly connected to the outer wall of one end of the rotating shaft (6) located in the mixing chamber (403).

7. The integrated system for detecting and plugging underwater seepage points of a dam according to claim 6, characterized in that, An impeller (602) is fixedly installed on one end of the rotating shaft (6) located in the feeding chamber (401). The output ends of the water delivery pipe (701) and the third feeding pipe (406) correspond to the impeller (602).

8. The integrated system for detecting and plugging underwater seepage points of a dam according to claim 1, characterized in that, Sling rings (101) are symmetrically and fixedly connected to both ends of the suspension frame (1). The sling rings (101) can cooperate with an external lifting device to sink the suspension frame (1) as a whole underwater. Then, through the grouting pipe (203) and the grouting nozzle (204), a sealing material is injected into the leakage point gap of the dam body.

9. Method for using the integrated system for detecting and plugging underwater seepage points of a dam, using the integrated system for detecting and plugging underwater seepage points of a dam according to claim 2, characterized in that, It includes the following operating steps: Step 1: Use a radar detection device to scan the dam body. After determining the position of the leakage point, use a drilling device to drill a hole at the leakage point. Step 2: Cooperate the lifting device with the suspension frame (1) to sink the device underwater and move it to the drilling position. Step 3: Insert the grouting nozzle (204) into the drill hole, and inflate the sealing airbag (3) through the air delivery pipe (301) to make it expand and fill the gap between the sleeve (2) and the drill hole, thereby fixing the suspension frame (1). Step 4: Convey the polyurethane solution to the grouting pipe (203) through the first feeding pipe (207). The solution flows into the gap and solidifies and expands for sealing. During this period, the piston disc (202) moves under pressure, and the gas in the sleeve (2) is replenished to the sealing airbag (3) through the second conduit (303). Step 5: According to the contact state between the first conductive ring (5) and the second conductive ring (501), the warning device (502) prompts the sealing progress. When they are in contact, the warning device (502) starts to flash, indicating that the sealing operation is completed. Step 6: Release the gas in the sealing airbag (3), and then use the lifting device to recover the device.

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