A non-electric emergency intelligent hydraulic rapid operating system for flood discharge gates

Abstract

A non-electric emergency intelligent hydraulic rapid operating system for a flood discharge gate includes a hydraulic control subsystem, a signal control subsystem and a state measurement and control subsystem. When the power supply is interrupted or the original system fails due to natural disasters such as sudden earthquakes, mountain torrents, mudslides, lightning, and rainstorms, the system can intelligently and quickly switch to the emergency operation mode, and support mobile phone remote visual monitoring and remote control operation. Servo high response control and electromagnetic ball valve switch control are adopted to achieve rapid response and reliable operation. Hydraulic servo synchronous closed-loop control is adopted, and a one-way valve, an electromagnetic ball valve and a back pressure valve are equipped to prevent oil cross-flow and ensure smooth operation. The independent oil tank is equipped with a dirt-receiving magnetic ring to ensure the cleanliness of the hydraulic oil and improve the reliability of the emergency system. The drone aerial monitoring function further improves the reliability and safety of the system. The present invention can realize intelligent, fast and reliable emergency operation of the flood discharge gate when the power supply of the original system is interrupted or fails, improve the reliability and safety of the hydraulic hoist, ensure the safety of the dam discharge, and eliminate the major safety hazards of flooding or dam collapse.

Description

Technical Field

[0001] The invention relates to the field of emergency driving of a flood discharge gate hoist, and in particular to a non-electric emergency intelligent hydraulic rapid operating system for a flood discharge gate. Background Art

[0002] Flood gates are necessary for the reliable operation of dams and power stations, and usually rely on electrically driven hydraulic systems to control the opening and closing of the gates. When power is interrupted or the system fails, the traditional electric operating system cannot work properly, resulting in the failure to open or close the flood gates in time, which seriously affects the efficiency and safety of flood control and drainage. Therefore, it is of great practical significance to design a hydraulic operating system that can quickly, intelligently and reliably operate the flood gates when the original system is out of power or fails.

[0003] The existing emergency operation system of flood gates still has deficiencies in terms of intelligence, response speed and reliability. In the event of power outage or system failure, traditional emergency systems cannot intelligently switch to emergency operation mode. Most systems rely on manual intervention to initiate emergency operations, which not only requires operators to arrive at the scene quickly, but also requires professional operating skills. In actual situations, this method is time-consuming and has a high risk of misoperation.

[0004] In addition, traditional emergency operation systems have a slow response speed. Due to their reliance on mechanical devices or manual operation, these systems cannot quickly adjust and accurately and quickly control the opening and closing of flood gates. In emergency situations such as floods, this delay may lead to the aggravation of disasters and fail to effectively protect the safety of people and property.

[0005] In order to solve the above problems, the present invention provides an off-electricity emergency intelligent hydraulic rapid operation system for a flood gate, which is mainly composed of a hydraulic control subsystem, a signal control subsystem, and a state measurement and control subsystem. It has the characteristics of high intelligence, rapid response, and high reliability. It can efficiently realize reliable operation of the flood gate when there is no electricity or a system failure, ensure the safety of dam flood discharge, and eliminate major safety hazards of flood overflow or dam breach. Summary of the invention

[0006] The purpose of the present invention is to provide a non-electricity emergency intelligent hydraulic rapid operating system for a flood discharge gate.

[0007] The present invention discloses an intelligent hydraulic rapid operating system for flood discharge gates without electricity for emergency use, comprising a hydraulic control subsystem, a signal control subsystem and a state measurement and control subsystem: the hydraulic control subsystem is composed of an oil suction filter 1, a gear pump 2, a diesel engine 3, a generator 4, an electromagnetic overflow valve 6, a third one-way valve 5, a first one-way valve 11, a second one-way valve 16, a fourth one-way valve 23, a fifth one-way valve 24, a first speed regulating valve 10, a second speed regulating valve 17, a first two-position three-way electromagnetic ball valve 12, a second two-position three-way electromagnetic ball valve 15, a first two-position two-way electromagnetic ball valve 9, a second two-position two-way electromagnetic ball valve 18, a first electro-hydraulic servo valve 8, a second electro-hydraulic servo valve 19, a first back pressure valve 7, a second back pressure valve 20, a first hydraulic cylinder 13, a second hydraulic cylinder 14, a dirt-receiving magnetic ring 25, an oil tank 26 and a battery 27. The diesel engine 3 is connected to the gear pump 2, and the gear pump 2 absorbs oil from the oil tank 26 through the oil suction filter 1. After the high-pressure oil at the outlet of the gear pump 2 flows through the third one-way valve 5, it is divided into a first branch and a second branch, wherein the first branch flows through the electromagnetic overflow valve 6 and returns to the oil tank 26, and the second branch leads to the first speed regulating valve 10 and the second speed regulating valve 17. After flowing through the first speed regulating valve 10 and the first one-way valve 11, it is divided into a third branch and a fourth branch, wherein the third branch flows through the first two-position three-way electromagnetic ball valve 12 and flows into the first hydraulic cylinder 13; the fourth branch flows through the first two-position two-way electromagnetic ball valve 9, the first electro-hydraulic servo valve 8, and the first back pressure valve 7 and then flows back to the oil tank 26. After passing through the second speed regulating valve 17 and the second non-return valve 16, the oil is divided into a fifth branch and a sixth branch. The fifth branch flows through the second two-position three-way electromagnetic ball valve (15) and flows into the second hydraulic cylinder 14. The sixth branch flows through the second two-position two-way electromagnetic ball valve 18, the second electro-hydraulic servo valve 19 and the second back pressure valve 20 and then flows back to the oil tank 26. The return oil of the first hydraulic cylinder 13 and the second hydraulic cylinder 14 is combined and flows back to the oil tank 26 through the fifth non-return valve 24.

[0008] The signal control subsystem is composed of a signal controller 29, a relay coil 21, and a relay normally open contact 28, and provides control signals for the diesel engine 3, the electromagnetic overflow valve 6, the first two-position three-way electromagnetic ball valve 12, the second two-position three-way electromagnetic ball valve 15, the first two-position two-way electromagnetic ball valve 9, the second two-position two-way electromagnetic ball valve 18, the first electro-hydraulic servo valve 8, the second electro-hydraulic servo valve 19, and the first displacement sensor 32 and the second displacement sensor 33, and coordinates with the hydraulic control subsystem to complete the opening and closing control of the flood discharge gate. The signal controller 29 is powered by a battery 27;

[0009] The state measurement and control subsystem is composed of a smart phone 30, a drone 31, a first displacement sensor 32, and a second displacement sensor 33. It coordinates with the hydraulic control subsystem to complete the remote detection and visualization of the hydraulic cylinder displacement, and coordinates with the signal control subsystem to complete the real-time remote control of the hydraulic cylinder displacement.

[0010] The present invention has the following advantages over the prior art:

[0011] 1. In the event of a power outage or failure due to natural disasters such as sudden earthquakes, mountain torrents, mud and rock flows, lightning, and rainstorms, the present invention can quickly and intelligently switch to an emergency operation mode through a signal control subsystem, thereby achieving reliable control of the flood discharge gate, ensuring the safety of the dam discharge, and eliminating major safety hazards such as flooding or dam breaching.

[0012] 2. The present invention adopts hydraulic servo high-precision fast closed-loop synchronous control technology. On the basis of the speed regulating valve initially adjusting the speed of the hydraulic cylinder, the hydraulic cylinder displacement sensor signal is used to control the electro-hydraulic servo valve corresponding to the hydraulic cylinder with a larger displacement to perform oil release fine adjustment, which can ensure fast and high-precision closed-loop synchronous control of the displacement of the two cylinders. It breaks through the limitations of slow response, poor accuracy and high risk of traditional manual control.

[0013] 3. The present invention is equipped with a switch type electromagnetic ball valve, which uses the good line sealing of the ball valve to prevent oil from mixing between the original system and the emergency operating system, and the back pressure valve is set to ensure the smooth operation of the hydraulic cylinder. In addition, the independent oil tank is equipped with a dirt-absorbing magnetic ring to ensure the cleanliness of the hydraulic oil, thereby improving the reliability and service life of the hydraulic control system.

[0014] 4. The state measurement and control subsystem of the present invention uses a drone to perform real-time monitoring of the flood discharge gate from the air, and uses a smart phone to visualize the operating status of the opening and closing hydraulic cylinder, thereby improving the safety and reliability of the operating system.

[0015] In summary, the present invention solves the problems existing in the prior art and provides an intelligent, fast and reliable emergency operation system without electricity. In the case of no electricity or system failure, the system can intelligently and quickly switch to the emergency operation mode, and realize reliable control of the flood gate through remote visual monitoring and remote control operation by mobile phone. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0017] Figure 1 This is a block diagram of the architecture of the present invention. Figure 2The schematic diagram of the non-electric emergency intelligent hydraulic rapid operating system for the flood gate of the present invention. The reference numerals and corresponding names are: 1-suction filter, 2-gear pump, 3-diesel engine, 4-generator, 5-third one-way valve, 6-electromagnetic overflow valve, 7-first back pressure valve, 8-second electro-hydraulic servo valve, 9-first two-position two-way electromagnetic ball valve, 10-first speed regulating valve, 11-first one-way valve, 12-first two-position three-way electromagnetic ball valve, 13-first hydraulic cylinder, 14-second hydraulic cylinder, 15-second two-position three-way electromagnetic ball valve, 16-second one-way valve, 17-second speed regulating valve, 18-second two-position two-way solenoid ball valve, 19-second electro-hydraulic servo valve, 20-second back pressure valve, 21-relay coil, 22-original system, 23-fourth one-way valve, 24-fifth one-way valve, 25-contamination magnetic ring, 26-fuel tank, 27-battery, 28-relay normally open contact, 29-signal controller, 30-smartphone, 31-drone, 32-first displacement sensor, 33-second displacement sensor DETAILED DESCRIPTION

[0018] like Figure 1 , Figure 2As shown, the present invention is an electric-free emergency intelligent hydraulic rapid operating system for a flood discharge gate, comprising a hydraulic control subsystem, a signal control subsystem, and a state measurement and control subsystem: the hydraulic control subsystem is composed of an oil suction filter 1, a gear pump 2, a diesel engine 3, a generator 4, an electromagnetic overflow valve 6, a third one-way valve 5, a first one-way valve 11, a second one-way valve 16, a fourth one-way valve 23, a fifth one-way valve 24, a first speed regulating valve 10, a second speed regulating valve 17, a first two-position three-way electromagnetic ball valve 12, a second two-position three-way electromagnetic ball valve 15, a first two-position two-way electromagnetic ball valve 9, a second two-position two-way electromagnetic ball valve 18, a first electro-hydraulic servo valve 8, a second electro-hydraulic servo valve 19, a first back pressure valve 7, a second back pressure valve 20, a first hydraulic cylinder 13, a second hydraulic cylinder 14, a dirt-receiving magnetic ring 25, a fuel tank 26, and a battery 27. The diesel engine 3 is connected to the gear pump 2, and the gear pump 2 absorbs oil from the oil tank 26 through the oil suction filter 1. After the high-pressure oil at the outlet of the gear pump 2 flows through the third one-way valve 5, it is divided into a first branch and a second branch, wherein the first branch flows through the electromagnetic overflow valve 6 and returns to the oil tank 26, and the second branch leads to the first speed regulating valve 10 and the second speed regulating valve 17. After flowing through the first speed regulating valve 10 and the first one-way valve 11, it is divided into a third branch and a fourth branch, wherein the third branch flows through the first two-position three-way electromagnetic ball valve 12 and flows into the first hydraulic cylinder 13; the fourth branch flows through the first two-position two-way electromagnetic ball valve 9, the first electro-hydraulic servo valve 8, and the first back pressure valve 7 and then flows back to the oil tank 26. After passing through the second speed regulating valve 17 and the second one-way valve 16, the oil is divided into a fifth branch and a sixth branch. The fifth branch flows through the second two-position three-way electromagnetic ball valve 15 and flows into the second hydraulic cylinder 14. The sixth branch flows through the second two-position two-way electromagnetic ball valve 18, the second electro-hydraulic servo valve 19, and the second back pressure valve 20 and then flows back to the oil tank 26. The return oil of the first hydraulic cylinder 13 and the second hydraulic cylinder 14 is combined and flows back to the oil tank 26 through the fifth one-way valve 24.

[0019] The signal control subsystem is composed of a signal controller 29, a relay coil 21, and a relay normally open contact 28, and provides control signals for the diesel engine 3, the electromagnetic overflow valve 6, the first two-position three-way electromagnetic ball valve 12, the second two-position three-way electromagnetic ball valve 15, the first two-position two-way electromagnetic ball valve 9, the second two-position two-way electromagnetic ball valve 18, the first electro-hydraulic servo valve 8, the second electro-hydraulic servo valve 19, and the first displacement sensor 32 and the second displacement sensor 33, and coordinates with the hydraulic control subsystem to complete the opening and closing control of the flood discharge gate. The signal controller 29 is powered by a battery 27;

[0020] The state measurement and control subsystem is composed of a smart phone 30, a drone 31, a first displacement sensor 32, and a second displacement sensor 33. It coordinates with the hydraulic control subsystem to complete the remote detection and visualization of the hydraulic cylinder displacement, and coordinates with the signal control subsystem to complete the real-time remote control of the hydraulic cylinder displacement.

[0021] Preferably, in the hydraulic control subsystem, the first electro-hydraulic servo valve 8 and the second electro-hydraulic servo valve 19 are used together with the first displacement sensor 32 and the second displacement sensor 33 to form a servo synchronous closed-loop control. On the basis of the preliminary adjustment of the hydraulic cylinder speed by the first speed control valve 10 and the second speed control valve 17, the signals of the first displacement sensor 32 and the second displacement sensor 33 of the opening and closing hydraulic cylinder are used to control the first electro-hydraulic servo valve 8 or the second electro-hydraulic servo valve 19 corresponding to the hydraulic cylinder with a larger displacement to perform oil release fine adjustment, thereby ensuring fast and high-precision closed-loop synchronous control of the dual-cylinder displacement.

[0022] Preferably, the hydraulic control subsystem is equipped with a first one-way valve 11, a second one-way valve 16, a first two-position three-way solenoid ball valve 12, a second two-position three-way solenoid ball valve 15, a first two-position two-way solenoid ball valve 9, and a second two-position two-way solenoid ball valve 18 to prevent the original system 22 and the emergency operating system oil from flowing into each other, and a first back pressure valve 7 and a second back pressure valve 20 are provided to ensure the smooth operation of the first hydraulic cylinder 13 and the second hydraulic cylinder 14 when they are moving downward.

[0023] Preferably, in the non-electric emergency intelligent hydraulic rapid operating system for the flood discharge gate, the independent oil tank 26 of the hydraulic control subsystem is equipped with a contamination-absorbing magnetic ring 25, which magnetically absorbs the most harmful metal solid particles, ensures the cleanliness of the hydraulic oil of the emergency system, improves the reliability of the first electro-hydraulic servo valve 8 and the second electro-hydraulic servo valve 19, and extends the service life of the operating system.

[0024] Preferably, in the non-electric emergency intelligent hydraulic rapid operating system for the flood discharge gate, when the original system 22 loses power or fails, the signal control subsystem energizes the relay coil 21 to operate, closes the normally open contact 28 of the relay, and quickly and intelligently switches to the emergency operating system.

[0025] Preferably, in the non-electric emergency intelligent hydraulic rapid operating system for the flood gate, the state measurement and control subsystem performs real-time monitoring of the flood gate from a fixed point in the air through the drone 31, and realizes visualization of the operating status of the first hydraulic cylinder 13 and the second hydraulic cylinder 14 through the smart phone (30), thereby improving the safety and reliability of the operating system.

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] like Figure 1 and Figure 2 As shown, the non-electric emergency intelligent hydraulic rapid operating system for flood discharge gates of the present invention mainly includes a hydraulic control subsystem, a signal control subsystem, and a state measurement and control subsystem. The hydraulic control subsystem includes: an oil suction filter 1, a gear pump 2, a diesel engine 3, a generator 4, a third one-way valve 5, a first one-way valve 11, a second one-way valve 16, a fourth one-way valve 23, a fifth one-way valve 24, an electromagnetic overflow valve 6, a first back pressure valve 7, a second back pressure valve 20, a first electro-hydraulic servo valve 8, a second electro-hydraulic servo valve 19, a first two-position two-way electromagnetic ball valve 9, a second two-position two-way electromagnetic ball valve 18, a first speed regulating valve 10, a second speed regulating valve 17, a first two-position three-way electromagnetic ball valve 12, a second two-position three-way electromagnetic ball valve 15, a first hydraulic cylinder 13, a second hydraulic cylinder 14, a dirt receiving magnetic ring 25, an oil tank 26, and a battery 27. The signal control subsystem includes: a signal controller 29, a relay coil 21, and a relay normally open contact 28. The state measurement and control subsystem includes: a smart phone 30 and a drone 31 , a first displacement sensor 32 , and a second displacement sensor 33 .

[0029] The power unit of the hydraulic control subsystem is driven by a diesel engine 3 to drive a gear pump 2, and the generator 4 provides power support. When the original system 22 loses power, the relay coil 21 will act to close the normally open contact 28 of the relay; or when the original system 22 fails, the signal controller 29 detects the fault and activates the relay coil 21 to close the normally open contact 28 of the relay, thereby quickly and intelligently switching to the emergency operation mode, starting the diesel engine 3, and driving the gear pump 2 to work. The gear pump 2 sucks oil from the oil tank 26 through the oil suction filter 1 and inputs the hydraulic oil into the system. The hydraulic oil first enters the hydraulic control circuit through the third one-way valve 5. The electromagnetic overflow valve 6 is used to maintain a constant pressure in the operating system and prevent overload. The hydraulic oil passes through the first speed regulating valve 10, the second speed regulating valve 17, the first non-return valve 11, the second non-return valve 16, the first two-position two-way solenoid ball valve 9, the second two-position two-way solenoid ball valve 18, the first electro-hydraulic servo valve 8, the second electro-hydraulic servo valve 19, the first back pressure valve 7 and the second back pressure valve 20, and enters the first hydraulic cylinder 13 and the second hydraulic cylinder 14 respectively through the first two-position three-way solenoid ball valve 12 and the second two-position three-way solenoid ball valve 15, so as to control the retraction of the first hydraulic cylinder 13 and the second hydraulic cylinder 14 to open the gate, and the first hydraulic cylinder 13 and the second hydraulic cylinder 14 are extended under the action of gravity to close the gate.

[0030] It should be noted that the first two-position three-way electromagnetic ball valve 12 and the second two-position three-way electromagnetic ball valve 15 are used for rapid switching in the event of power failure or failure of the original system, and the first speed regulating valve 10 and the second speed regulating valve 17 are used to preliminarily control the movement speed of the first hydraulic cylinder 13 and the second hydraulic cylinder 14. The system adopts servo synchronous closed-loop control technology. On the basis of speed regulating valve adjustment, the first electro-hydraulic servo valve 8 or the second hydraulic servo valve 19, the first two-position two-way electromagnetic ball valve 9 or the second two-position two-way electromagnetic ball valve 18 corresponding to the hydraulic cylinder with larger displacement are controlled by the signal of the first displacement sensor 32 and the second displacement sensor 33 of the hydraulic cylinder to release oil and fine-tune, so as to realize high-precision closed-loop control of the displacement of the first hydraulic cylinder 13 and the second hydraulic cylinder 14, ensure the synchronous operation of the two cylinders, and improve the reliability of operation. The first back pressure valve 7 and the second back pressure valve 20 are used to ensure the stability of the back pressure during the extension of the hydraulic cylinder, that is, the closing process of the gate, to prevent impact and vibration during operation. The oil tank 26 is equipped with a plurality of dirt-absorbing magnetic rings 25, which magnetically absorb the metal solid particle contaminants contained in the system working oil, thereby ensuring the cleanliness of the emergency system hydraulic oil, improving the reliability of the electro-hydraulic servo valve, and extending the service life of the operating system.

[0031] The signal control subsystem and the state measurement and control subsystem have the functions of intelligent switching and monitoring and drone aerial real-time monitoring. The signal controller 29 monitors the working status of the original system 22 in real time. When the original system 22 loses power, the relay coil 21 will act to close the normally open contact 28 of the relay; or when the original system 22 fails, the signal controller 29 detects the fault and activates the relay coil 21 to close the normally open contact 28 of the relay, thereby quickly switching to the emergency operation mode and starting the emergency hydraulic operation system. At the same time, the signal controller 29 sends the system status information to the smartphone 30 to achieve remote visual monitoring and remote control operation. The drone 31 is used to monitor the working status of the flood discharge gate in real time. The drone 31 is equipped with high-definition cameras and sensors, which transmit monitoring data to the smartphone 30 through wireless signals, providing real-time on-site images and environmental data, further improving the safety and reliability of the system.

[0032] It should be noted that the signal controller 29 is powered by the battery 27 and detects the power status of the original system 22 and the hydraulic system status in real time. The power status of the original system is monitored in real time by the voltage sensor and the current sensor. Once a power outage or abnormal voltage or current is detected, the signal controller can determine that a power failure has occurred in the original system. By real-time monitoring of the pressure, flow, and hydraulic cylinder displacement of the hydraulic operating system, the signal controller can determine that a hydraulic system failure has occurred based on whether the pressure is within the normal range, whether the flow suddenly changes to an abnormal value, and whether the displacement exceeds the preset range or has abnormal fluctuations.

[0033] In addition, the smartphone 30 is equipped with a dedicated application for real-time monitoring and control of the operation of the floodgate. The application is connected to the signal controller 29 and the drone 31 via a wireless network to obtain real-time video and sensor data. The signal controller 29 is responsible for receiving and processing instructions from the smartphone and transmitting these instructions to the hydraulic operating system. The monitoring data includes information such as the pressure of the hydraulic operating system, the valve status, and the liquid level. When an operation is required, the user can send an operation instruction through the application, such as opening or closing the solenoid valve, adjusting the electro-hydraulic servo valve, etc. The instruction is transmitted to the signal controller 29 via the wireless network, and then the signal controller controls the corresponding hydraulic components to perform the operation.

[0034] In addition, the drone 31 is equipped with a high-definition camera for monitoring the floodgate and its surrounding environment. The drone can conduct a comprehensive inspection of the floodgate, take high-definition images and videos, and transmit these data to the smartphone 30 in real time for the remote operator to view. Through the real-time monitoring of the drone, the system can obtain detailed information about the floodgate and its surrounding environment, thereby improving the intelligence and reliability of emergency operations.

Claims

1. An intelligent hydraulic rapid operating system for flood discharge gates without electricity, comprising a hydraulic control subsystem, a signal control subsystem, and a state measurement and control subsystem, characterized in that: The hydraulic control subsystem comprises an oil suction filter (1), a gear pump (2), a diesel engine (3), a generator (4), an electromagnetic overflow valve (6), a third one-way valve (5), a first one-way valve (11), a second one-way valve (16), a fourth one-way valve (23), a fifth one-way valve (24), a first speed regulating valve (10), a second speed regulating valve (17), a first two-position three-way electromagnetic ball valve (12), a second two-position three-way electromagnetic ball valve (15), a first two-position two-way electromagnetic ball valve (9), a second two-position two-way electromagnetic ball valve (18), a first electro-hydraulic servo valve (8), a second electro-hydraulic servo valve (19), a first back pressure valve (7), a second back pressure valve (20 ... The invention is composed of a first hydraulic cylinder (13), a second hydraulic cylinder (14), a dirt-receiving magnetic ring (25), an oil tank (26), and a battery (27); the diesel engine (3) is connected to a gear pump (2); the gear pump (2) absorbs oil from the oil tank (26) through an oil suction filter (1); the high-pressure oil at the outlet of the gear pump (2) flows through a third one-way valve (5) and is then divided into a first branch and a second branch, wherein the first branch flows through an electromagnetic overflow valve (6) and returns to the oil tank (26), and the second branch leads to a first speed regulating valve (10) and a second speed regulating valve (17); the high-pressure oil flows through the first speed regulating valve (10) and the first one-way valve (11) and is then divided into a third branch and a fourth branch, wherein the third branch flows through the first one-way valve (5) and returns to the oil tank (26), and the second branch leads to a first speed regulating valve (10) and a second speed regulating valve (17); the high-pressure oil flows through the first one-way valve (11) and is then divided into a third branch and a fourth branch, wherein the third branch flows through the first one-way valve (5) and returns to the oil tank (26); the third branch flows through the first one-way valve (1 ... The oil flows through a two-position three-way electromagnetic ball valve (12) and into the first hydraulic cylinder (13); the fourth branch flows through the first two-position two-way electromagnetic ball valve (9), the first electro-hydraulic servo valve (8), and the first back pressure valve (7) and then flows back to the oil tank (26); the oil flows through the second speed regulating valve (17) and the second one-way valve (16) and then divides into a fifth branch and a sixth branch, wherein the fifth branch flows through the second two-position three-way electromagnetic ball valve (15) and flows into the second hydraulic cylinder (14); the sixth branch flows through the second two-position two-way electromagnetic ball valve (18), the second electro-hydraulic servo valve (19), and the second back pressure valve (20) and then flows back to the oil tank (26); the return oil of the first hydraulic cylinder (13) and the second hydraulic cylinder (14) is collected Then, the oil flows back to the oil tank (26) through the fifth one-way valve (24); the first electro-hydraulic servo valve (8) and the second electro-hydraulic servo valve (19) are used in the hydraulic control subsystem together with the first displacement sensor (32) and the second displacement sensor (33) to form a servo synchronous closed-loop control. On the basis of the first speed regulating valve (10) and the second speed regulating valve (17) preliminarily adjusting the speed of the hydraulic cylinder, the first electro-hydraulic servo valve (8) or the second electro-hydraulic servo valve (19) corresponding to the hydraulic cylinder with a larger displacement is controlled by using the signals of the first displacement sensor (32) and the second displacement sensor (33) of the hydraulic cylinder to perform fine adjustment of oil release, thereby ensuring fast and high-precision closed-loop synchronous control of the displacement of the two cylinders;The hydraulic control subsystem is equipped with a first one-way valve (11), a second one-way valve (16), a first two-position three-way electromagnetic ball valve (12), a second two-position three-way electromagnetic ball valve (15), a first two-position two-way electromagnetic ball valve (9), and a second two-position two-way electromagnetic ball valve (18) to prevent the oil of the original system (22) from flowing into the emergency operation system. A first back pressure valve (7) and a second back pressure valve (20) are provided to ensure the smooth operation of the first hydraulic cylinder (13) and the second hydraulic cylinder (14) when they are moving downward. The oil tank (26) of the hydraulic control subsystem is equipped with a dirt-receiving magnetic ring (25). The signal control subsystem is composed of a signal controller (29), a relay coil (21), and a relay normally open contact (28), and provides control signals for the diesel engine (3), the electromagnetic overflow valve (6), the first two-position three-way electromagnetic ball valve (12), the second two-position three-way electromagnetic ball valve (15), the first two-position two-way electromagnetic ball valve (9), the second two-position two-way electromagnetic ball valve (18), the first electro-hydraulic servo valve (8), the second electro-hydraulic servo valve (19), the first displacement sensor (32), and the second displacement sensor (33), and coordinates with the hydraulic control subsystem to complete the opening and closing control of the flood discharge gate. The signal controller (29) is powered by a battery (27); when the original system (22) loses power or fails, the signal control subsystem excites the relay coil (21) to operate, closes the relay normally open contact (28), and quickly and intelligently switches to the emergency operation system; The state measurement and control subsystem is composed of a smart phone (30), a drone (31), a first displacement sensor (32), and a second displacement sensor (33). It coordinates with the hydraulic control subsystem to complete remote detection and visualization of the displacement of the hydraulic cylinder, and coordinates with the signal control subsystem to complete real-time remote control of the displacement of the hydraulic cylinder. The state measurement and control subsystem monitors the flood discharge gate in real time from a fixed point in the air through the drone (31), and realizes visualization of the operation status of opening and closing the first hydraulic cylinder (13) and the second hydraulic cylinder (14) through the smart phone (30).

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