14859 results about "Water pipe" patented technology

The present invention discloses a handheld spray fan, the handheld spray fan includes a housing assembly, fan assembly, and spray device. The housing assembly features a handheld part, an air duct at one end, and an air outlet cover at the end of the air duct with a through-hole and multiple air outlet holes. The fan assembly is installed within the air duct, and the spray device comprises a water tank, water pipe, mounting seat, fiber water guide, and atomizer. The water tank is positioned within the housing assembly, the water pipe connects the water tank and the mounting seat, the mounting seat is located at the through-hole, and the atomizer is installed on the mounting seat and exposed through the through-hole. The fiber water guide extends from the water tank to the atomizer, ensuring continuous water supply for stable misting.

Disclosed is a multifunctional outdoor fan. The multifunctional outdoor fan includes a fan base, a fan support, and a fan head. The fan head is provided with a rotating shaft, fan blades mounted on the rotating shaft, and a fan grille mounted outside the fan blades. The fan grille is provided with a water tank, the water tank is provided with a water injection port, and the water injection port is connected to a water tank cover. The rotation shaft is provided with an atomization assembly, the atomization assembly is in communication with the water tank through a water tube, the water tank supplies water to the atomization assembly through the water tube, and the atomization assembly is provided with an atomization port.

The invention relates to the technical field of water affair pipe network operation and maintenance, in particular to an intelligent analysis processing and decision support method for mass data of an intelligent water affair integrated platform based on a GIS (Geographic Information System) and the Internet of Things. According to the method, GIS topology and data of the internet of things are fused, the problems that the estimation deviation of the influence range of traditional pipe explosion is large, and the valve closing instruction lacks accuracy are solved, and the valve closing effectiveness is verified. The pipe explosion emergency response efficiency is improved, the water resource waste is reduced, the water supply stability is guaranteed, and the method is suitable for urban water refinement management.

The present application belongs to the technical field of mass concrete construction, and aims to solve the problem of high thermal resistance and slow heat dissipation of traditional cooling pipe laminar bottom layer, and discloses a gravity dam construction cooling water pipe based on destruction of laminar bottom layer and a method thereof. The cooling water pipe comprises a plurality of series water pipe units, each water pipe unit comprises a steel pipe, a flexible spring hose is arranged in the steel pipe, and the spring hose forms a spiral protruding turbulence structure along the inner wall of the steel pipe; the hose is fixed by pointwise anchoring and outer wall surface bonding with glue, and a ring is arranged at both ends for limiting and assisting turbulence. The present application breaks through the thermal resistance of laminar bottom layer, greatly improves the hydration heat conduction efficiency, is convenient to construct and has durable structure, and is suitable for mass concrete temperature control requirements.

A temperature-rainfall-reservoir water combined testing system for a permafrost landslide model includes a tempered glass case with a permafrost landslide model and reservoir water provided therein; a temperature control system provided on the tempered glass case and including an incubator temperature control module, a landslide mass rear edge water tank temperature control module and an air circulation temperature control module; a seepage control system configured to realize seepage of the permafrost landslide model, and form the reservoir water in front of a landslide mass; a rainfall control system including a water tube, a flow controller and a nozzle, where the nozzle is provided in the tempered glass case, and located above the permafrost landslide model; and a multi-field monitoring system including a temperature sensor, a pore water pressure gauge, a moisture meter and a grating strain gauge that are provided in the permafrost landslide model.

The utility model discloses the field of agricultural machinery, and particularly relates to a spraying machine tool and an all-terrain spraying vehicle, the spraying machine tool comprises a hollow shell, a visual identification device and a spraying device are arranged on the two sides of the shell in the width direction respectively, the visual identification device comprises a supporting rod, the supporting rod extends in the height direction of the shell, and the spraying device is arranged on the supporting rod. A camera is arranged at one end of the supporting rod, the other opposite end of the supporting rod is connected with the shell, the spraying device comprises a water pipe, the water pipe extends in the height direction of the shell, a signal control switch valve is arranged on the water pipe, a spraying pipe is connected to the top of the water pipe, and a plurality of nozzles are arranged on the spraying pipe at intervals. According to the utility model, the visual identification device and the spraying device are arranged, and the visual identification device is used for judging whether spraying is carried out or not, so that the pertinence is stronger during spraying, the investment of labor cost can be reduced, the physical and psychological health of staff is greatly maintained, and the spraying device is simple in structure and convenient to popularize.

The invention relates to the technical field of aquaculture equipment, and discloses a rainbow trout fry rearing special constant-temperature hatching device which comprises a heat preservation box, a constant-temperature mechanism, a tray mechanism, a top cover assembly and a control panel. The constant-temperature mechanism comprises an S-shaped heat conduction water pipe, a bidirectional water pump, an upper-end heating module and a lower-end refrigerating module, the heat conduction water pipe preheats or precools buffer water flow, the bidirectional water pump rotates forwards and backwards to control the water flow to flow up and down, and natural convection of water in the box is promoted by combining'heat flow rising and cold flow falling ', so that water temperature fluctuation is greatly reduced, and compared with an existing device, the temperature difference is remarkably reduced; the rainbow trout embryo development stable temperature environment is ensured. The folding push handle is turned over to the upper end, the linkage splash-proof grid automatically blocks the top cover vent hole, and water is prevented from being splashed when the device moves; a temperature and dissolved oxygen amount sensor is arranged on the side wall of the heat preservation box, a bubble generator at the bottom accurately adjusts dissolved oxygen, air holes are opened for ventilation when the splash-proof grids are fixed, and it is ensured that the internal environment is moderate.

To provide a deep well filtering structure that effectively prevents the subsidence and collapse of the well wall. [Solution] The deep well filtration structure of this invention includes a surface loess layer 1 and a well channel 7, with a concrete well side 8 poured onto the surface of the surface loess layer, a reinforced concrete permeable pipe and a reinforced concrete solid pipe 10 installed in sequence inside the well channel, a well pipe pallet 6 placed at the bottom end of the well channel, and below the surface loess layer, in sequence, a gravel-mixed loess layer 2, a gravel layer 3, a crushed stone-mixed loess layer 4 and an underground loess layer 5, and a clay ball-filled sealing layer 9 filled between the surface loess layer, the gravel-mixed loess layer and the reinforced concrete solid pipe.

The invention relates to the technical field of garden water monitoring, in particular to garden water quality intelligent monitoring equipment which comprises a base, a round basin and the like. A round basin is fixedly connected to the base, and a pull ring is installed on the round basin. By releasing the water outlet pipe and under the gravity action of the counterweight ball, the water pipe vertically moves downwards, then negative pressure is generated in the water pipe, a water sample is extracted through the filtering ball head, impurities in a water area are filtered through the filtering ball head, and therefore the water sample flows along the water pipe, the round pipe, the guide pipe, the water pump and the conveying pipe; and finally, the water flows into the water collecting barrel through the conveying pipe, the extracted water sample is carried by the baffle plate and the flow deflector I together, the monitoring probe is submerged by the water, and then the monitoring probe is controlled to start to operate to detect the water sample, so that the water body in the garden is monitored, and the mode is short in period and high in efficiency, and can meet the real-time requirement.

The invention belongs to the technical field of intelligent disaster relief equipment, and particularly relates to a long-endurance high-altitude fire-fighting unmanned aerial vehicle, which comprises a flying fuselage, no water tank load is arranged on the fuselage, a water pipe is fixedly arranged in the fuselage, and one end of the water pipe is communicated with a sprinkler head; the other end of the water pipe communicates with a water injection head, and a cushioning sealing assembly is arranged in the water injection head. The control seat is arranged on the machine body, a plurality of detection units are arranged on the control seat and the machine body, and a power supply end is arranged on one side wall of the control seat; through the design of the ground end, the buffer sealing assembly and the like, the unmanned aerial vehicle can carry a cable and a water pipe, the water pipe or the cable can be prevented from excessively floating in the air while long-time endurance fire extinguishing in the air is completed, the flight stability is guaranteed, various data can be collected, and the rescue efficiency is improved.

The invention relates to the technical field of electronic component rain test, and discloses electronic product waterproof test equipment, which comprises a test box body, a cylinder and a water pipe, a turntable is arranged in the test box body, a rotating shaft is mounted on the turntable, a cavity is formed in the test box body, and a servo motor is fixedly mounted in the cavity. An electric push rod is fixedly mounted at the output end of the servo motor, and an electronic component is further arranged on the turntable; a support is fixedly installed in the test box body, a water storage frame rotationally connected with the support is installed on the support, and a wave making mechanism is further arranged in the water storage frame. According to the electronic product waterproof test equipment, through the collaborative design of a triangular arc-shaped protruding block and a wave making floating body, a soaking test is upgraded from static water level simulation to dynamic wave impact; the arc-shaped protruding blocks intermittently impact the rolling wheels, rapid resetting of the floating body is achieved through the spring mechanism, the dynamic hydraulic action of water fluctuation on electronic components in the natural environment can be reproduced, and the limitation that traditional equipment can only achieve static soaking is overcome.

The invention provides a smart city water supply pipe network emergency supervision Internet of Things large model system and method, and relates to the field of city water pipe monitoring, and the system comprises a government supervision management platform, a government supervision sensing network platform, a government supervision object platform, a water affair company sensing network platform, and a smart water affair equipment object platform. The government supervision and management platform is configured to determine time sequence flow corresponding to the multiple water pipe node groups based on water flow characteristics of the multiple water pipe nodes in the water supply network; based on the time sequence flow, determining water and soil loss coefficients corresponding to the one or more target areas; based on the water and soil loss coefficient, temporary control parameters are generated through a parameter generation model; and on the basis of the temporary control parameters, the valve opening degrees of the corresponding valves in the one or more target areas are controlled. The system can determine the control parameters of the adjusting device according to the water and soil loss coefficient of the target area, and realizes informatization and intelligence of urban water pipe emergency monitoring.

The invention discloses an efficient injection mold based on intelligent temperature control and a manufacturing method thereof.The mold comprises an upper mold plate and a lower mold plate, a mold cavity is formed in the bottom end of the upper mold plate, a male mold is arranged at the top end of the lower mold plate, an injection molding cavity is formed in the bottom end of the lower mold plate, a temperature sensor, a first cooling runner and a second cooling runner are arranged on the side of the mold cavity, and the first cooling runner and the second cooling runner are distributed in parallel at intervals; the liquid inlet end is connected with a speed-adjustable water pump through an electromagnetic valve, and a distance sensor is arranged on the side face of the upper die plate. The manufacturing method comprises the steps of template processing, cooling flow channel forming, sensor installation, cooling system connection and calibration and the like. The temperature sensor and the distance sensor are matched with the electromagnetic valve and the water pump, rapid cooling during mold closing, reasonable temperature control during mold opening and blockage prevention are achieved, reasonable cooling runner layout and precise machining are combined, the forming precision and the production efficiency are improved, and stable and efficient injection molding is ensured.

The invention provides a large aqueduct intelligent temperature control system and method based on a digital twinning technology, and relates to the technical field of aqueduct temperature monitoring. A three-dimensional digital model of an aqueduct is constructed, and geometric parameters of the three-dimensional digital model are corrected through three-dimensional point cloud data of the aqueduct, so that the temperature of the aqueduct can be accurately controlled. Thermodynamic simulation calculation is carried out based on the three-dimensional digital model to obtain a simulation result, the aqueduct concrete temperature field simulation result is compared with the collected aqueduct temperature to obtain temperature deviation, parameters of thermodynamic simulation calculation are corrected according to the temperature deviation, and therefore the simulation result is updated, and the accuracy of the simulation result is improved. According to simulation results obtained after geometric parameters of the three-dimensional digital model and parameters obtained after thermodynamic simulation calculation are corrected, the water flow of the corresponding water pipe is controlled for cooling, local targeted cooling is achieved, and the problem that targeted cooling cannot be achieved for too high local hydration heat in the prior art is solved; the method is suitable for intelligent temperature control in the hydration heat process of the large aqueduct.

The invention belongs to the technical field of purification stations, and particularly discloses an automatic chemical feeding control device for a purification station, which comprises a concentrated chemical tank, a PLC (programmable logic controller), a water tank and a factory, the concentrated chemical tank is provided with a concentrated chemical pipe, the concentrated chemical pipe is provided with a diluted chemical tank, the diluted chemical tank is provided with a water pipe, the water pipe is communicated with the water tank, the diluted chemical tank is provided with a diluted chemical pipe, the diluted chemical pipe is provided with a reaction tank, and the reaction tank is provided with a sewage pipe. The reaction tank is provided with a water outlet pipe, the water outlet pipe is communicated with the plant, the thick pesticide pipe is provided with a pesticide spraying pump, the thin pesticide tank is provided with a liquid level meter, the thick pesticide pipe, the thin pesticide pipe and the water pipe are all provided with electric valves, the thin pesticide pipe is provided with four metering pumps and flow meters, and the sewage pipe and the water outlet pipe are both provided with turbidity meters; through cooperation of the PLC and the electrically operated valve, the proportion of concentrated chemicals and water and the dosage of added chemicals during sewage treatment are flexibly controlled, personal errors are reduced, and the stirring speed is increased through aeration stirring of the chemical liquid through the vacuum pump, so that the problems of personal errors and low stirring speed due to manual chemical adding of an existing purification station are solved.

The invention discloses a photovoltaic panel cleaning device and a using method, belongs to the technical field of solar photovoltaic panels, and aims to solve the problem that the maintenance workload is large due to the fact that a photovoltaic panel is sprayed through multiple nozzles in the prior art. The device comprises a plate body, and a movable frame arranged in the width direction of the plate body is arranged on the plate body; the driving device comprises a transverse rotating shaft, the rotating shaft is rotationally connected to the moving frame and driven by a motor, and a moving assembly on the rotating shaft can drive the moving frame to move in the length direction of the plate body; the water outlet device comprises a water tank arranged on the movable frame, the water tank is connected with a spraying head through a water pipe, and the spraying head is rotationally connected with a fixing plate on the water tank through a vertical connecting shaft; the linkage device is connected with the rotating shaft and the connecting shaft and can drive the connecting shaft to rotate back and forth when the rotating shaft rotates. Through the linkage device, the spraying head rotates back and forth while moving along with the moving frame, comprehensive cleaning can be achieved without a large number of spraying heads, and the maintenance workload is reduced.

The utility model discloses a water purifier for detecting the liquid level through pressure sensors, and relates to the technical field of liquid level detection of water purifiers, the water purifier comprises a water purifier water tank and a water pipe fixedly arranged on the lower portion, micro pressure sensors are arranged on the two sides of the water pipe, a square head fixedly connected with the water pipe is arranged on the lower portion of the water purifier water tank, and a plurality of transverse shafts A are slidably arranged in the middles of the two sides of the square head; clamping mechanisms are arranged at the two ends of each transverse shaft A, two transverse fixing plates fixedly penetrate through the two ends of each transverse shaft A, sealing plugs A are fixedly arranged in the middles of the surfaces of the opposite sides of the transverse fixing plates, transverse shafts B are fixedly arranged in the middles of the surfaces of the sides of the sealing plugs A, and sealing plugs B are fixedly arranged at one ends of the transverse shafts B. The problems that real-time continuous linear detection cannot be achieved, the detection precision is not high, high-precision liquid level detection cannot be achieved, more functions cannot be provided on the water purifier, and replacement is inconvenient are solved.

The utility model discloses an artificial climate chamber water-cooling seedling raising vehicle, a chassis comprises a bottom frame, a support is connected to the bottom frame, and trundles are connected to the bottom of the bottom frame; the supporting pieces are connected to the corners of the bottom frame; the multiple groups of clamping strips are arranged up and down, each group comprises two clamping strips, heat dissipation holes are formed in the clamping strips, and the two ends of the clamping strips are connected to the supporting pieces; the light guide plate is clamped between each group of clamping strips, and light guide points are arranged on the light guide plate; the light source is inserted into the clamping strip and irradiates the side part of the light guide plate; the water inlet pipe is connected to the supporting piece, and one end of the heat dissipation hole of the clamping strip communicates with the water inlet pipe; the water return pipe is connected to the supporting piece, and the other end of the heat dissipation hole of the clamping strip communicates with the water return pipe. Compared with the prior art, the circulating water cooling system enables the seedling raising vehicle to keep a proper temperature environment, damage to seeds or seedlings caused by too high temperature is avoided, and seed germination and seedling growth are facilitated.

The invention relates to the field of water pollution abatement, in particular to an underwater micro-nano bubble generator and a using method thereof.The underwater micro-nano bubble generator comprises a bubble cutting pipe, a bubble cutting generating device is arranged in the middle of the bubble cutting pipe, and an erecting fixing plate is arranged at the front end of the bubble cutting pipe; a plurality of first venturi tubes are arranged on the erected fixing plate, each first venturi tube comprises a first liquid inlet section, a first compression section and a first expansion section, a water passing pipe is connected between the first expansion section and the bubble cutting tube, and an air inlet which is the same as the interior of the first venturi tube is fixedly formed in the first venturi tube; and a second Venturi tube is fixedly mounted at the rear end of the bubble cutting tube, so that the problems that a micro-nano bubble generator in the prior art is relatively high in cost, water and gas cannot be preliminarily mixed before bubble cutting, and the damage resistance is poor can be solved.

The invention provides municipal water supply pipeline welding equipment, and relates to the technical field of welding, the municipal water supply pipeline welding equipment comprises an upper clamping ring and a lower clamping ring, the upper clamping ring and the lower clamping ring define a circular ring, supporting semi-rings are fixed to the two upper clamping rings and the two lower clamping rings respectively, and a connecting plate is fixedly connected between the left supporting semi-ring and the right supporting semi-ring; telescopic moving wheels are arranged on the supporting semi-rings respectively, a supporting frame is connected between the two telescopic moving wheels, an extrusion wheel is connected to the supporting frame, an air bin is arranged on the supporting frame and arranged on the side, away from the extrusion wheel, of the welding head mechanism, the lower portion of the air bin is attached to the surface of the water pipe, and an air suction heating mechanism is arranged in the air bin and is in transmission connection with the telescopic moving wheels. An inclined plate is fixedly connected into the air bin, hot air is absorbed into the air bin, the solidification speed of a brazing rod solution is slowed down, the flowing speed of the brazing rod solution to a V-shaped groove welding seam is increased, the brazing rod solution is pushed to the V-shaped groove welding seam by arranging the inclined plate, and then the brazing rod solution is rolled by arranging an arc-shaped pressing roller.

The invention discloses a hose feeding and oil sticking mechanism, relates to the technical field of industrial assembly, and is particularly suitable for assembly procedures of hoses such as hydraulic hoses, fuel pipes and cooling water pipes in whole vehicle manufacturing of new energy automobiles. Comprising a bottom plate, a feeding assembly, a clamping and moving assembly and an oil sticking assembly are arranged on the top face of the bottom plate, the feeding assembly is used for feeding of hoses, the clamping and moving assembly is used for clamping the hoses from the feeding assembly and moving the hoses to the oil sticking assembly, and the oil sticking assembly is used for oil sticking and oil removing of the hoses; the oil sticking assembly comprises a third supporting frame body, a sixth air cylinder, an oil disc, a fifth air cylinder, an oil immersion groove block, an oil removal cavity and a vacuum pump. According to the mechanism, automatic lubricating oil sticking and redundant lubricating oil removing operation of the hose can be achieved, automation of the whole process from bulk material feeding, positioning to oil coating is achieved, the production efficiency is greatly improved, meanwhile, splashing and waste of lubricating oil are avoided, cleanliness of the working environment is kept, and the mechanism is exquisite in structural arrangement, efficient and suitable for application and popularization.

The invention discloses an anti-clogging valve for sewage treatment, and relates to the field of valves, the anti-clogging valve comprises a valve body and two butt joint pipes mounted on the outer side of the valve body, a water pipe is mounted at one end of each butt joint pipe, a valve clack is slidably mounted on the inner side of the valve body, and a sealing column is transversely arranged on the inner wall of the bottom of the valve body; the bottom of the valve clack is of an arc concave face structure corresponding to the sealing column. The material cleaning mechanism is used for cleaning dirt on the outer side of the sealing column, the material cleaning mechanism is installed on the inner side of the valve body, and the material cleaning mechanism comprises a scraping plate installed on the inner wall of the bottom of the valve body; by means of the material cleaning mechanism, in the downward moving process of the valve clack, the sealing column can be in a rotating state, dirt on the sealing column can be scraped off through a scraper and discharged along with water flow, the valve clack can make contact with the cleaned sealing column, the problem of dirt blockage is solved, and therefore the sealing and anti-blocking effects are achieved.

The invention belongs to the technical field of breakwaters, and relates to a novel breakwater and a construction method and a using method thereof. Each breakwater section of the breakwater comprises an upper platform, a buoyancy tank and a plurality of foundation piles. The upper platform is arranged on a plurality of foundation piles, and a manger board is arranged on the head wave side of the upper platform; pile holes in one-to-one correspondence with the foundation piles are formed in the floating box, so that the floating box is arranged on the foundation piles in a sleeving manner and can move up and down, and the floating box is locked on the foundation piles or unlocked through the hydraulic locking device; one side of the buoyancy tank is attached to the manger board, and the top surface of the buoyancy tank is higher than the bottom surface of the manger board after the buoyancy tank moves downwards to sit at the bottom; the buoyancy tank is provided with a plurality of hollow cavities, communicating pipes with electric valves are arranged on the side walls of the hollow cavities, water passing pipes connected with the water pump are arranged on the bottom walls of the hollow cavities, and the water pump rotates forwards or reversely to introduce water into or discharge the water out of the hollow cavities. The buoyancy tanks are locked on the foundation piles in small waves, the manger boards are used for blocking waves, the requirement for exchange of water inside and outside the port is met, the buoyancy tanks sink to sit at the bottom and jointly block the waves with the manger boards in large waves, and the wave blocking effect is remarkably improved.

The utility model provides a double-water-outlet faucet structure. A first water pipe and a second water pipe which are independent are arranged in a stand column of the double-water-outlet faucet structure. The lower fixed connector is located at the axial upper end of the stand column, a first annular water channel on the peripheral side of the lower fixed connector is communicated with a first water pipe, the lower movable connector is rotationally arranged outside in a sleeving mode and provided with a first water outlet nozzle, the lower movable connector is sleeved with the lower rotary arm, an inner first water outlet channel is connected with the first water outlet nozzle, and a lower water outlet is formed in the tail end of the lower rotary arm. A second annular water channel on the peripheral side of the upper rotating arm is communicated with a second water pipe, the upper movable connector is arranged outside in a sleeved mode and provided with a second water outlet nozzle, the upper rotating arm is arranged outside in a sleeved mode, a second water outlet channel inside the upper rotating arm is connected with the second water outlet nozzle, and an upper water outlet is formed in the tail end of the upper rotating arm. Diversified water use requirements are met, water use convenience and flexibility are improved, the defect that installation is limited in places can be overcome, and the application range of faucet products is widened.

The invention discloses a mass concrete construction temperature control anti-cracking integrated system and method, and the system comprises a construction module which is used for constructing a cooling water pipe fine model based on concrete thermodynamic parameters and construction conditions, solving a heat flow coupling control equation through a heat flow coupling algorithm, and determining a concrete internal temperature field and stress field distribution cloud chart; the monitoring module is used for collecting attribute data of concrete; the comparison module is used for comparing the attribute data with the concrete internal temperature field and stress field distribution cloud atlas, correcting model parameters of the heat flow coupling model according to a comparison result, generating a regulation and control instruction and sending the regulation and control instruction to the execution module; the execution module is used for receiving and executing the regulation and control instruction; the regulation and control instruction comprises at least one of temperature regulation and pouring time sequence optimization. A temperature field and a stress field are accurately predicted, complex construction working conditions are matched, mechanical and thermal state changes of the whole life cycle of concrete are captured in real time, temperature control adjustment is effectively conducted, and the construction quality is improved.

The invention provides a movable circulating water curtain fire extinguishing trolley for a vehicle chassis fire disaster. The movable circulating water curtain fire extinguishing trolley comprises a crawler trolley; a water storage tank; the water collecting disc is connected with the water storage tank or the water supply pipeline through a water return pipeline; the filtering assembly is arranged above the water collecting area of the water collecting disc; the water inlet end of the upward spraying unit is communicated with the water storage tank or the water supply pipeline through the water supply pipeline; the water inlet end of the circulating water pump is connected to the water collecting area in the water collecting disc, and the water outlet end is connected to the water storage tank or the water supply pipeline; the sensor assembly is used for collecting the distance between the vehicle chassis and the water collecting disc; the execution module is used for receiving the current distance between the vehicle chassis and the water collecting disc and sending a corresponding spraying included angle conversion instruction to the upward spraying unit; wherein the water storage tank, the upward spraying unit, the water collecting disc, the filtering assembly and the circulating water pump jointly form a closed insulating fire extinguishing agent circulating loop, so that the fire extinguishing adaptability and efficiency are improved, and meanwhile, the moving stability of the fire extinguishing trolley can be improved through selection of the crawler trolley.

The invention provides a train water supply connector device, which belongs to the technical field of train water supply, and comprises a locking unit, a sensor unit, a control unit, a water supply pipe, a trigger switch, an upper computer communication interface and a water injection well control valve, the locking unit is used for connecting the train water feeding connector device with a carriage water injection pipe in a sealed mode when a train is fed with water, the control unit is connected with the locking unit, the sensor unit, the trigger switch, the upper computer communication interface and the water injection well control valve, and the control unit is used for controlling the train water feeding process and has an independent working mode and a linkage working mode. The water feeding pipe is arranged at the bottom of the sensor unit and used for supplying water to the train water feeding connector device from a water injection well, the trigger switch is used for starting the control unit to control the water feeding process including the normal water feeding process or emergency stop under the abnormal condition, and the upper computer communication interface is used for receiving a control instruction of an upper computer in a linkage mode.

The utility model relates to a multi-stage pump balance water pipe structure with intelligent detection and self-adaptive adjustment functions. The balance water pipe structure comprises a high-pressure side flange, a balance water pipe, a pressure guide pipe, an instrument valve, a pressure gauge and a low-pressure side flange. The two ends of the balance water pipe are fixed to the high-pressure side flange and the low-pressure side flange respectively, the high-pressure side flange is connected with the high-pressure side of the multi-stage pump, and the low-pressure side flange is connected with the low-pressure side of the multi-stage pump. A circular ring and a pressure guide pipe are arranged on the balance water pipe body; an instrument valve is installed on the pressure guiding pipe, and a pressure gauge is installed on the instrument valve. The circular ring is arranged at the special position of the balance water pipe, and the circular ring can be automatically adjusted when the pump expands with heat and contracts with cold. When the pump is heated to expand, the circular ring can expand outwards, and certain space compensation is provided for extension of the pump. According to the utility model, the pressure value of liquid in the balance water pipe can be read in real time. When the pressure value exceeds a normal range, an alarm signal can be triggered in time.

The utility model discloses an MBR (Membrane Bioreactor) membrane in-situ cleaning device and a membrane frame. The MBR membrane in-situ cleaning device comprises a main frame, a cleaning assembly and a mobile platform, the main frame is of a three-dimensional structure, a positioning polish rod and a lead screw are arranged on the main frame, the lead screw is connected with a servo motor, the positioning polish rod and the lead screw penetrate through the movable platform and are detachably fixed to the main frame, and the movable platform can freely move on the polish rod and the lead screw; the cleaning assembly comprises a cleaning head and a connecting rod, the cleaning head is of a hollow structure and is provided with a water spraying opening, the connecting rod is of a hollow structure, the cleaning head is communicated with the connecting rod, the movable platform is provided with a through hole, and the connecting rod can penetrate through the through hole and is connected with the water distribution pipe; one end of the water pump is connected with the water suction pipe, and the other end of the water pump is connected with the water distribution pipe. In-situ online cleaning can be carried out under the state that the system is not shut down and does not need to be disassembled, the cleaning efficiency is greatly improved, the labor intensity is reduced, meanwhile, the water consumption is reduced, and the energy consumption is reduced.

The utility model discloses reverse osmosis equipment for recycling reclaimed water, which comprises a treatment unit, the treatment unit comprises a base, a high-pressure pump and a connecting frame, the high-pressure pump and the connecting frame are fixedly connected to the top of the base, the outer wall of the high-pressure pump is fixedly communicated with a high-pressure pipe, and the treatment unit further comprises a treatment assembly for pretreating the reclaimed water and a reverse osmosis unit, the membrane shell is fixedly connected to the inner wall of the connecting frame, the top and the bottom of the membrane shell are fixedly communicated with a water inlet pipe and a water outlet pipe respectively, the high-pressure pipe is communicated with the water inlet pipe, the bottom of an inner cavity of the membrane shell is fixedly connected with a pure water pipe, the pure water pipe is communicated with the water outlet pipe, and a plurality of round holes are formed in the outer wall of the pure water pipe. According to the utility model, the reclaimed water can be preliminarily classified and filtered through the plurality of filter sheets, and is fully contacted with the reverse osmosis membrane, so that the phenomenon that impurities block the end part of the reverse osmosis membrane is avoided, and the reverse osmosis effect is improved.