21 results about "Subsurface drainage" patented technology

This application provides a non-stop connection device and method for underground drainage pipelines. The device includes a sealing box, a cutting assembly, a connecting pipe section, and two sets of automatic splicing structures. The sealing box has positioning holes and alignment holes, and is also connected to a drainage channel. The cutting assembly is used to cut off the middle section of the original pipeline. The two ends of the connecting pipe section face the positioning holes and alignment holes, respectively. The outer side of the connecting pipe section has a loading seat that is slidably connected to it and also slidably connected to the bottom surface of the sealing box. The loading seat is driven by a linear drive component, which is connected to the loading seat through a locking structure. The two sets of automatic splicing structures are used to connect the upstream pipe section and the connecting pipe section, and the connecting pipe section and the newly constructed pipeline, respectively. The non-stop connection device and method for underground drainage pipelines provided by this application allows the upstream pipe section to be connected to the newly constructed pipeline through the connecting pipe section, and discharges the liquid from the upstream and downstream pipe sections to the outside of the pipeline well through the drainage channel, ensuring the safety of on-site operations.

This application discloses a rodless pump-based surface power equipment for underground drainage and gas extraction, belonging to the technical field of underground drainage and gas extraction equipment. It includes: a conveying device for pumping power fluid; a drainage control valve, including a valve adjusting component and a valve body with a power fluid inlet, a power fluid outlet, a power fluid exchange port, and a power fluid return port. The power fluid inlet is connected to the conveying device, the power fluid outlet is connected to a pipeline injected into the formation, the power fluid exchange port is used to export a portion of the power fluid and allow it to return, and performs work on another portion of the power fluid exported through the power fluid outlet during the export process; the power fluid return port is used to return the power fluid to its source; and a driving device for actuating the valve adjusting component. When the driving device actuates the valve adjusting component, the valve adjusting component can connect the power fluid inlet to the power fluid outlet and the power fluid exchange port, or only connect the power fluid inlet to the power fluid exchange port, or connect the power fluid inlet to the power fluid outlet, the power fluid exchange port, and the power fluid return port.

The present application relates to geotechnical engineering and underground drainage technical field, disclose a kind of high fill deep anti silt self-cleaning drainage system and method based on pneumatic breathing effect.The system includes drainage pipeline, elastic breathing cover, water-permeable geotextile, gas supply unit, monitoring unit and control unit.Drainage pipeline wall is provided with micropore, elastic breathing cover is sleeved in the outer periphery of pipeline and forms gas passage, and water-permeable geotextile is wrapped in the outermost layer.Monitoring unit real-time monitoring in-pipe flow and / or pipe outside pore water pressure, when monitoring parameter exceeds threshold value, control unit starts gas supply unit and intermittently injects high-pressure gas into gas passage, so that elastic breathing cover generates periodic radial expansion and contraction, and destroys the mud cake structure attached to the surface of geotextile;While high-pressure gas enters the inside of pipeline through pipe wall micropore, and mixed with water to produce gas lift effect, carry out and discharge the deposited sludge in pipe.The present application realizes synchronous cleaning of pipe outside mud cake and pipe inside sludge, without excavation maintenance, intelligent and efficient.

This invention disclosed a full-space intelligent detection method and system for underground drainage networks, as well as storage media, including the following steps: image acquisition, intelligent image denoising, internal pipe defect segmentation, concealed defect detection around the pipe, 3D reconstruction with volume quantification, and pipeline life prediction. This invention introduced a bionic four-wheel-drive, all-terrain detection robot that can effectively navigate through mud and flowing water-challenges that hinder traditional detection devices. By leveraging deep learning algorithms as well as various techniques of computing vision, 3D reconstruction, and point cloud processing, the system thoroughly analyzed collected data to determine defect types and precise locations. Utilizing this analysis, precise location of different defect type and quantitative measurement of their dimensions can be realized. Based on the data analysis results, a deep-learning driven model was developed for predicting pipeline longevity to support maintenance staff with timely information on pipe defects and operational lifespan.

The present invention is intended to provide an underground culvert system using a non-powered automatic control device for underground drainage / water supply that automatically supplies and cuts off agricultural water into the ground without power according to changes in the groundwater level of agricultural land. Accordingly, the present invention discloses an underground culvert system using a non-powered automatic control device for underground drainage / water supply, comprising: a perforated pipe culvert laid underground and having a plurality of water holes drilled on its perimeter surface to supply water underground; a water supply device that supplies and blocks water flowing in from the outside to the perforated pipe culvert; and a groundwater inflow pipe installed underground in the ground where the perforated pipe culvert is laid and connected to the water supply device.

The application discloses a kind of green building underground drainage pipeline components, specifically related to drainage pipeline component field, including pipeline main body, the side end surface of the pipeline main body is fixed with adaptive card piece, the inside of the adaptive card piece is fixed with limit card slot, the inside of the limit card slot is equipped with pipeline component, the inside of the pipeline component is equipped with adaptive pad, the middle part of the outer side end surface of the adaptive pad is fixed with connecting plate.The novel in actual use, through the corresponding setting state of the setting adaptive pad, second convex block, first convex block, limit card pad and connecting plate, the stability of the drainage pipeline splicing can be conveniently increased, the stability after the drainage pipeline splicing can be increased, the sealing property of the drainage pipeline splicing can be effectively increased by the material setting state of the adaptive pad, second convex block, first convex block, limit card pad and connecting plate.

1. The name of the design product: municipal drainage inspection well. 2. The use of the design product: for municipal road construction underground drainage, sewage, easy to check, dredging and dredging pipeline. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective drawing.

An arch-shaped blind drain pipe relates to the technical field of underground drainage engineering, which comprises a fixed plate, characterized in that an arch-shaped plate is installed on the fixed plate, a partition plate is arranged between the fixed plate and the arch-shaped plate, the partition plate separates the arch-shaped plate into an upper arch-shaped subplate and a lower arch-shaped subplate, and a plurality of water-permeable holes are arranged on the upper arch-shaped subplate and the partition plate. The utility model discloses a combined structure design of the arch-shaped plate and the partition plate, which can realize the shunt drainage of the upper and lower chambers, disperse external pressure by utilizing the arch-shaped structure, avoid damage caused by stress concentration, and has the advantages of relieving stress concentration, improving drainage efficiency and compression resistance.

1. Name of the product in this design: Corrugated pipe. 2. Application of this design: A drainage pipe for municipal engineering, buried underground during construction, suitable for urban underground drainage, sewage discharge, or as a casing to protect underground power and communication optical cables, preventing mechanical damage and groundwater erosion. 3. The key design feature of this product is its shape. 4. The picture or photograph that best illustrates the key design points: Design 1A-A sectional view. 5. Design 1 is designated as the basic design. 6. Other matters requiring explanation: The length of the product in this design is variable.

This utility model discloses a pipe support device and an underground drainage system. The pipe support device includes a support mechanism and a vibration damping and positioning mechanism. The support mechanism includes two outer supports and locking components installed on the two outer supports for snapping and locking them together. The two outer supports are correspondingly arranged and enclose a protective space for the pipe. The vibration damping and positioning mechanism includes clamping components elastically installed within the outer supports. The clamping components in the two outer supports are symmetrically arranged within the protective space and elastically clamp the pipe. This utility model locks the two outer supports by snapping them together, facilitating quick assembly and disassembly. Multiple devices can be quickly assembled, effectively improving construction efficiency. Furthermore, the elastic clamping of the pipe by the vibration damping and positioning mechanism effectively fixes and positions the pipe, buffering pipe vibration and reducing the risk of pipe wear or loosening caused by vibration during construction, thus improving the stability and safety of the pipe.

This utility model discloses a leakage drainage control system for an underground power plant, relating to the field of underground drainage control technology. It includes a control box, a liquid level monitoring module, a display screen, and a communication module. The control box houses a first power supply, a second power supply, a dual-power switch, a current acquisition module, a voltage acquisition module, a first water pump control circuit, a second water pump control circuit, and a third water pump control circuit. The first and second power supplies are connected to a power supply line via the dual-power switch. The power supply line is equipped with the current and voltage acquisition modules. The first, second, and third water pump control circuits are connected to the power supply line. The output of the liquid level monitoring module is connected to the control box, which is connected to the display screen and the communication module. This utility model monitors leakage drainage in the underground power plant by setting up a liquid level monitoring module, obtaining liquid level information for convenient operation monitoring and timely detection and handling of equipment defects.

The utility model relates to the technical field of municipal works, concretely relates to an underground drainage system, including main rainwater pipe and main rainwater well. Main rainwater pipe is located below ground, and the both ends of main rainwater pipe are communicated with two adjacent main rainwater well respectively, the pipe wall of main rainwater pipe is equipped with several groups of through -hole along the axial direction of main rainwater pipe, and the periphery of main rainwater pipe is wrapped with filter material. The utility model discloses the through -hole set up on main rainwater pipe can assist and improve the efficiency of reducing groundwater level, and then realizes the effect of quickly reducing the groundwater level.

This invention discloses an intelligent diagnostic expert system for underground drainage pipe networks based on fuzzy rules for water flow velocity, comprising external factors, internal pipe network processes, water flow velocity data, and a working condition analysis and diagnostic system. The working condition analysis and diagnostic system in this expert system is implemented using fuzzy rules for water flow velocity, including two parts: establishing a fuzzy rule base and fuzzy inference. Establishing the fuzzy rule base includes the steps of: determining the fuzzy inference engine structure, determining the fuzzy subset membership functions, establishing fuzzy control rules, and identifying water flow velocity parameters. Fuzzy inference includes the steps of: fuzzifying water flow velocity data, establishing a fuzzy inference engine, and defuzzifying the data. This invention, using fuzzy rules for water flow velocity to implement an intelligent diagnostic expert system for underground pipe networks, has the characteristic of requiring no manual operation. It relies on water flow velocity data to analyze and diagnose the status of underground drainage pipes and can be applied to the complex working conditions of underground pipe networks.

This invention discloses a method for optimizing and upgrading urban stormwater drainage systems. The method includes establishing a model input database for the area to be upgraded; establishing a two-dimensional surface hydrodynamic model and a one-dimensional stormwater drainage network hydraulic model; constructing a bidirectional coupled exchange model to simulate the surface runoff confluence and underground drainage transport process; identifying weak links in the system; and implementing drainage zoning optimization, pipe diameter adjustment, and the addition of drainage channels or outlets to address issues such as excessively long drainage paths, excessively large zoning areas, insufficient local discharge outlets, and insufficient pipe diameter capacity. Based on this, multiple low-impact development (LID) facility deployment schemes are constructed and comprehensively evaluated to select the optimal urban stormwater drainage system upgrade scheme. This method can simultaneously identify the operational status of the underground stormwater drainage network and the response to surface water accumulation, improving the accuracy of identifying the urban flooding formation process and key weak links. By considering the optimized system and the deployment of LID facilities in a unified manner, it achieves simultaneous optimization between improving end-of-pipe discharge capacity, reducing emissions at the source, and regulating the process.

This utility model discloses an installation trolley for urban underground drainage system structures, relating to the field of engineering construction technology, including a moving structure and a hoisting mechanism. The hoisting mechanism includes a reinforcing support rod, a rotating rod, a hoisting structure, a rotating structure, and an adjusting structure. The reinforcing support rod, rotating rod, hoisting seat, winch, and hanging rope work together to hoist prefabricated components. The moving seat, moving wheels, first telescopic structure, and second telescopic structure work together to enable the installation trolley to move continuously on the foundation pit, realizing the rapid hoisting and installation of drainage structures. The reinforcing support rod, rotating seat, rotating block, and first support arm enable the hoisting structure to rotate, facilitating hoisting work. The lifting component, second support arm, balancing component, connecting rope, and counterweight work together to improve the stability of the hoisting mechanism during operation, and each component can be quickly disassembled and assembled, thereby realizing the rapid transport of the entire installation trolley.

This invention discloses a trenchless repair method and apparatus for urban underground drainage pipelines, comprising: acquiring 3D point cloud data of the pipeline interior structured light, LiDAR cross-sectional data, and distributed fiber optic acoustic sensing data collected by a robot, and transmitting them to a digital twin server; the digital twin server performs point cloud filtering and noise reduction processing on the collected data, directly identifying defect information and determining the 3D spatial location of the defect through the geometric features of the defect area in the point cloud; the digital twin server optimizes the repair process parameters by calling a knowledge graph and a repair effect prediction model based on the defect information and pipeline environmental parameters; the robot performs the repair operation according to the repair process parameters and provides real-time feedback on the quality data of the repair layer; the digital twin server compares the quality data with the expected indicators in the digital twin model, and adjusts the repair parameters and controls the robot to continue operation when the deviation exceeds a preset threshold.

1. The name of the design product: radar water level monitor. 2. The use of the design product: used for intelligent water level monitoring terminal integrating radar ranging, Internet of Things communication, battery power supply, edge computing and other functions. Widely used in urban underground drainage, hydrological monitoring, flood prevention and drought resistance, and water resources management scenarios. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.