35 results about "Miniature hydraulics" patented technology

The utility model relates to the technical field of aircraft engine part machining, in particular to an aircraft engine part machining device which comprises a machining table, an installation cavity is formed in one side of the machining table, a second fixing mechanism is installed in the installation cavity, and the upper end of the second fixing mechanism penetrates through a through hole formed in the upper side of the machining table and extends to the outer side. The first fixing mechanisms are installed on the two sides of the machining table located on the upper side of the second fixing mechanism and used for fixing the exterior of the part, and the second fixing mechanism is used for fixing the interior of the part. The air cylinder drives the bottom plate to move downwards, a part is fixed through the clamping plate, at the moment, the interior of the part can be machined, when the abutting plate fixes the part, the miniature hydraulic rod drives the clamping plate to move, the abutting plate fixes the interior of the part, and then the exterior of the part can be machined conveniently.

The invention belongs to the field of medical equipment, and provides an ultrasonic-guided automatic blood vessel puncture integrated device which comprises a wireless ultrasonic instrument, a button A and a button B are arranged on one side of the outer surface of the wireless ultrasonic instrument side by side up and down, a bearing support is fixedly installed at the bottom of one side of the wireless ultrasonic instrument, and a movable support is rotatably installed in the bearing support. A fixing groove is formed in the lower bottom face of the movable support, a driving mechanism is arranged in the fixing groove and comprises a micro hydraulic booster, the micro hydraulic booster is arranged in the fixing groove, and an electromagnetic clutch is installed at the output end of one side of the micro hydraulic booster; by means of the collaborative design of the driving mechanism, the puncture mechanism and button control, medical workers do not need to conduct collaborative operation with the two hands, the actions such as puncture needle core propelling and cannula deepening can be achieved by pressing the corresponding buttons, the operation process is simplified, and in the scene of war wound first aid and the like, a vascular access can be rapidly established, time is saved, and the treatment efficiency is improved.

The invention relates to a miniature hydroelectric generator which comprises an impeller chamber arranged in a pipeline and a generator set arranged on one side of the impeller chamber, the generator set comprises a shell, a stator and a rotor, the stator and the rotor are arranged in the shell, the rotor comprises an impeller and a rotating shaft arranged in the center of the impeller, a permanent magnet is arranged at one end of the impeller, and the permanent magnet is arranged at the other end of the impeller. One end of the permanent magnet is arranged in the impeller chamber, the other end of the permanent magnet is provided with blades, one end of the permanent magnet corresponds to the stator, the blade ends are arranged in the impeller chamber, and the blades rotate in the impeller chamber to drive the rotor to rotate; the impeller chamber is connected with a water inlet and a water outlet of the pipeline, and the inner wall of the impeller chamber comprises two concentric arcs with different radiuses and a connecting arc for connecting the two concentric arcs; a cavity for containing water flow is formed between the large-radius arc inner wall of the impeller chamber and the blades. The miniature hydroelectric generator can make full use of kinetic energy of water and is high in power generation power.

The application provides a micro hydraulic station and a working method thereof, and relates to the technical field of hydraulic pressure, which comprises upper and lower integrated blocks connected with each other, a cavity connected with an oil tank is formed in the upper and lower integrated blocks after assembly, a hydraulic plunger pump is installed on the upper surface of the upper integrated block, the pump body is embedded into the upper integrated block, the pump body has a pump oil discharge port, a pump oil outlet port and a pump oil suction port from top to bottom, the pump oil suction port is communicated with the cavity in the integrated block, the pump oil outlet port of the hydraulic plunger pump is connected with a high-pressure connector through a pump oil outlet channel and a high-pressure channel, the pump oil discharge port is communicated with the cavity in the integrated block through a discharge channel, the high-pressure channel is communicated with the discharge channel through a relief valve and communicated with an unloading channel through an electromagnetic valve, and the unloading channel is communicated with the cavity in the integrated block, the hydraulic station is changed into the upper and lower integrated blocks, circulation and flow of high and low pressure hydraulic oil between several parts are realized through four channels, and power safety and efficient supply are ensured while miniaturization is realized.

The invention discloses a micro hydraulic excavator of a load-sensitive feedback system, which belongs to the technical field of excavators, and comprises a slewing mechanism, the slewing mechanism comprises a walking chassis, a supporting table and a slewing platform, and the micro hydraulic excavator further comprises a turntable assembly, a hydraulic cylinder assembly and a hydraulic cylinder assembly, the power output mechanism is used for cooperating with the turntable assembly to drive the revolving platform to revolve; the lubricating system is used for lubricating the turntable assembly; the rotating disc assembly comprises an inner ring, an outer ring and a ball, the inner ring is detachably installed on the supporting table through a bolt assembly A, the outer ring is detachably installed on the rotating platform through a bolt assembly B, and the ball is embedded in a ball cavity formed by the inner ring and the outer ring. The rotating ring is installed on the outer ring in an embedded mode and rotationally connected with the outer ring, an oil inlet channel and an oil outlet channel are formed in the outer ring, and the oil inlet channel and the oil outlet channel both communicate with the ball cavity; the rotary table assembly can be lubricated in time.

The utility model discloses a limiting plate for improving the accuracy of an anchor cable dynamometer, which comprises a body, a movable block, an anchor cable drill hole, a clamping piece and an angle adjusting assembly, and the middle of the body is provided with a through hole with internal threads; the movable block is in threaded connection with the through hole; the anchor cable drill hole penetrates through the movable block in the axial direction of the movable block. The clamping pieces are four shape memory alloy clamping pieces, and the clamping pieces are matched with an anchor cable drill hole; the six angle adjusting assemblies are evenly arranged on the outer circumference of the through hole in the body. By arranging the movable block, the depth of the limiting groove between the movable block and the through hole of the body is adjustable, so that the clamping piece is prevented from being jacked into the tool anchor, and the value measurement accuracy of the dynamometer is improved; by arranging the six micro hydraulic cylinders and the pressure sensors, the extension height of the hydraulic cylinders can be adjusted according to pressure distribution, so that the axis of the anchor cable is ensured to coincide with the center of the dynamometer, the mounting precision of the limiting plate is improved, and the problem of unbalanced moment caused by eccentricity of the anchor cable is also solved.

This invention relates to the field of steel structure welding, and more particularly to a fully automatic welding device for prefabricated steel structure beams. The device includes a U-shaped channel steel, with two sets of miniature hydraulic jacks fixedly connected to the inner walls of both sides of the U-shaped channel steel. A support frame is fixedly connected to one end of each miniature hydraulic jack, and a metal roller is rotatably connected inside the support frame. A miniature motor is fixedly connected to the top of each metal roller, and two sets of hydraulic jacks are fixedly connected to the bottom of both sides of the U-shaped channel steel. This fully automatic welding device for prefabricated steel structure beams, through the arrangement of the U-shaped channel steel, miniature hydraulic jacks, metal rollers, miniature motor, hydraulic jacks, fixed steel plate, turntable, drive motor, telescopic arm, and welding torch, achieves integrated automatic clamping, movement, and welding operation on the steel beam. The turntable can drive the welding torch to rotate circumferentially, adapting to different weld positions and improving the degree of automation and applicability of the welding process.

The utility model provides a kind of servo direct drive miniature hydraulic power station for machine tool, comprising: hydraulic assembly and base assembly, the lower side surface of hydraulic assembly is equipped with the base assembly for buffering vibration, and hydraulic assembly includes the mounting piece for installing hydraulic component, the upper side surface of mounting piece is equipped with servo motor and hydraulic component, the side of mounting piece is equipped with cooling piece for cooling and hydraulic pipe for driving hydraulic oil, and base assembly includes base body, the upper side surface of base body is equipped with buffer for buffering, compared with prior art, the utility model has the beneficial effects as follows: by setting base assembly, when using, by installing base assembly for buffering vibration on the lower side surface of hydraulic assembly, the transmission of mechanical vibration generated when servo motor and hydraulic pump operate to machine tool body can be effectively reduced, the negative influence of vibration on machining accuracy is reduced, and workpiece surface machining quality is improved.

The utility model relates to the technical field of boiler furnace soot blowing, and discloses a pulverized coal boiler furnace soot blowing device which comprises a soot blowing gun body, a control console and a protective shell, an exhaust pipe is fixedly arranged at the upper end of a vacuum pump, a through groove is formed in the protective shell, a micro hydraulic rod is fixedly installed in a fixing box, and the micro hydraulic rod is fixedly connected with the control console. According to the sealing device, the two sets of miniature hydraulic rods push the two sets of sealing check blocks to be close to the middle of the through groove correspondingly, so that the through groove is sealed, and the sealing check blocks are fixed to the two sets of miniature hydraulic rods to be connected with the top end of the protection shell in a penetrating mode; vibration energy is transmitted to the nozzle through the fixing lantern ring, dust and impurities adhering to the inner wall of the nozzle are shaken off, meanwhile, gas at the nozzle is extracted through the vacuum pump, and therefore the falling dust and impurities are guided to enter the conveying pipe and effectively collected through the collecting bag.

1. Name of the product of this design: Dosing Plunger Pump (Micro HPF‑30‑12‑300V01). 2. Application of this design product: Hydraulic components used in micro hydraulic systems. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

1. Name of the product of this design: Dosing Plunger Pump (Micro HPF‑20‑12‑300V01). 2. Application of this design product: Hydraulic components used in micro hydraulic systems. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention relates to a fastening device for a metal sleeve of a cable initiating explosive device, and solves the problems that the sleeve is inconsistent in size and non-uniform in indentation after being tightened and cannot meet process requirements due to the fact that solidified glue exists between clamp spring die petals at present. Comprising a cabinet body and a working table located on the cabinet body, a micro hydraulic station and a control cabinet are placed in the cabinet body, a hydraulic tightening device, a supporting air cylinder, a cable feeding air cylinder and a clamping air cylinder are installed on the working table, a plurality of molds which can synchronously move towards the center and extrude a sleeve are installed in the hydraulic tightening device, and the clamping air cylinder is installed on the cable feeding air cylinder. A clamping jaw is installed at the output end of the clamping air cylinder, a supporting frame is installed at the output end of the supporting air cylinder, a limiting face is arranged on the side, close to the hydraulic tightening device, of the supporting frame, and the supporting frame can rotate to a working table top panel at the bottom of the clamping air cylinder under the action of the supporting air cylinder. The device is high in automation degree and good in intrinsic safety; the size consistency after fastening is improved; fastening of different cable products and sleeves is met, and the equipment compatibility is high.

This invention discloses a prestressed, visualized, large deformation yielding anchor bolt and its application method, belonging to the field of underground engineering support technology. It includes an anchor bolt with a serrated anchoring end, miniature hydraulic jacks at intervals in the middle section to enhance anchoring force, and a hydraulic piston-type yielding piston structure and pressure detection device at the tail end of the anchor bolt. The pressure detection device includes a pressure-measuring nut, which is installed close to the piston-type tray on the exposed section of the anchor bolt tail. A prestress monitoring device is connected to the pressure-measuring nut. When the surrounding rock deforms, the surrounding rock squeezes the metal sleeve outwards, and the piston-type tray can move inside it. The honeycomb-shaped elasto-plastic material absorbs the energy released by the deformation of the surrounding rock, thus yielding pressure and controlling the operation of the miniature hydraulic jacks to strengthen the anchoring effect. It achieves both prestress visualization and large deformation yielding functions, while also improving support resistance, and has advantages such as quantifiable and controllable prestress, stable yielding, and safe use.

According to the variable-configuration tethered balloon unmanned aerial vehicle applied to the field of aircrafts, an upper support ring and a lower support ring are matched with a hinged ball and a telescopic rod, mechanical decoupling of a balloon body and a hanging basket when the balloon body rotates under the action of wind power is achieved, and it is ensured that the hanging basket is kept stable under wind power disturbance; therefore, the safety of an operator in the hanging basket during picking work is ensured; meanwhile, a correction box is arranged, linkage of a micro hydraulic rod, a rope, a round rod, a short rope and a lifting piece is utilized, the micro hydraulic rod on the lifting side drives the lifting piece to press the rope on the lifting side, meanwhile, the short rope is rapidly tightened when being lifted along with the rope, then the rope is limited, and upwarp of the lifting side of the upper support ring is reduced; the balloon body is pulled to reset under the pull-down action of the rope on the lifting side, the micro hydraulic rod on the sinking side is synchronously retracted and matched, the sinking side of the upper support ring is slightly lifted, two-way mechanical correction is formed, and the safety of operators in the hanging basket is further improved.

The invention discloses a miniature electro-hydrostatic actuator for driving finger exoskeleton equipment. The miniature electro-hydrostatic actuator is characterized by comprising a motor driving module, a direct-drive two-dimensional plunger pump module, a miniature hydraulic cylinder module and a finger exoskeleton equipment module, a power output shaft of the motor driving module is connected with the power input end of the direct-drive type two-dimensional plunger pump module and used for providing driving force. The direct-drive type two-dimensional plunger pump module comprises a pump cylinder body and a plunger assembly, a plunger cavity is formed in the pump body, and the plunger assembly can be driven by the motor driving module to reciprocate in the plunger cavity; according to the miniature electro-hydrostatic actuator system, a direct-drive pump control hydraulic system structure is adopted in the structural design, the system flow is directly controlled by the direct-current brushless motor, and due to the high-rotating-speed characteristic of the direct-current brushless motor, the response speed of the miniature electro-hydrostatic actuator system is higher.

The electrohydraulic valve includes a valve housing having a common chamber and a metering port in communication with the common chamber. The valve housing is coupled to a valve manifold having a supply port and an exhaust port. A first nozzle in fluid communication with the supply port has a first orifice. A second nozzle in fluid communication with the exhaust port has a second orifice. The first valve disposed in the common chamber is operable to move between a closed position in which the first valve closes the first orifice and an open position in which the first valve opens the first orifice. The second valve disposed in the common chamber is operable to move between a closed position in which the second valve closes the second orifice and an open position in which the second valve opens the second orifice.

The invention belongs to the technical field of hydraulic transmission and hydraulic elements, and particularly relates to an axial plunger pump Shuttle structure parameter matching design method. According to the method, valve plate angles corresponding to starting positions and stopping positions of a low-pressure kidney-shaped groove and a high-pressure kidney-shaped groove are calculated, and whether the maximum compensation volume actually provided by a micro hydraulic cylinder is larger than the maximum compensation volume of a micro hydraulic cylinder or not is judged and controlled. Therefore, the efficient Shuttle structure parameter matching design method is obtained, and the matching design of the Shuttle structure parameters can be rapidly completed.

The application discloses a visual fishing device and method based on a crawling robot, which comprises a miniature hydraulic oil pump station, a cooperative control system, a bimodal visualization system, a holding unit, a guiding unit, a dynamic anchoring mechanism, an instrument shell, a cable, a crawling unit and a handheld terminal. The bimodal visualization system is provided with a driving telescopic component and a high-definition miniature camera. The miniature hydraulic oil pump station is provided with a hydraulic pump and a driving motor. The transmission shaft and the roller of the guiding unit are matched with each other to move the fallen fish to the holding unit, the holding unit slips to hold the fallen fish, the out-of-hole control terminal sends an out-of-hole command to control the crawling unit to move out of the hole, and finally the fallen fish is dragged to the hole. The application can realize real-time viewing of the position of the fallen fish and adjustment of the posture, and can improve the fishing success rate of the handheld drilling geophysical prospecting equipment.

The invention discloses a micro hydraulic suspension supporting liquid cooling pump assembling technology. The technology comprises the following steps of pump shell machining, stator machining, pump cover and end cover machining, rotor and impeller integrated forming machining and liquid cooling pump assembling. The assembling process is simple in step, the machining quality and the assembling precision of the liquid cooling pump can be improved, the rotor of the liquid cooling pump can suspend in the pump shell during working, frictional wear is reduced, metal powder on the surface of the rotor is prevented from falling off to cause damage, meanwhile, noise during working of the liquid cooling pump can be reduced, and the service life of the liquid cooling pump is prolonged.

1. Name of the product in this design: Hydraulic relief valve (miniature). 2. Application of this product design: It is used in small mounting channels. When the system pressure connected to this relief valve is greater than the opening pressure of the relief valve, the relief valve opens; when the hydraulic system pressure connected to this relief valve is less than the opening pressure of the relief valve, the relief valve closes. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses a miniature hydraulic station pressure maintaining oil seal structure which comprises a hydraulic oil cylinder, a cylinder cover positioning groove is formed in the hydraulic oil cylinder, a cylinder cover boss is connected to the inner surface of the cylinder cover positioning groove in a sliding mode, and an oil seal installation groove is formed in the cylinder cover boss. The inner surface of the oil seal mounting groove is fixedly connected with a first oil seal positioning clamping block, a Y-shaped oil seal is arranged in the oil seal mounting groove, the inner surface of the Y-shaped oil seal is provided with a second oil seal positioning clamping block, and a reinforcing framework is arranged in the Y-shaped oil seal. An oil seal positioning clamping block matched with the Y-shaped oil seal is arranged on the inner side of the Y-shaped oil seal, the Y-shaped oil seal can be prevented from displacing in the moving process of the piston rod, so that the stable sealing effect is guaranteed, the position of the Y-shaped oil seal can be more accurately installed through the oil seal positioning clamping block during installation, the poor sealing effect caused by installation deviation is avoided, and the service life of the piston rod is prolonged. And the pressure maintaining effect of the oil seal is improved.

The utility model discloses a self-lubricating mowing machine cutterhead assembly structure, which relates to the field of mowing machines and comprises a cutterhead shell, a motor shell is fixedly mounted at the top of the cutterhead shell, a servo motor body is arranged in the motor shell, a rotating rod is fixedly mounted on an output shaft of the servo motor body through a coupler, and the output shaft of the servo motor body is connected with the rotating rod. The bottom of the rotating rod is fixedly connected with a storage box; a supporting pad is fixedly mounted at the bottom of the storage box, and a mounting disc is fixedly connected to the bottom of the supporting pad. According to the self-lubricating mowing machine cutter head assembly structure, the servo motor body is arranged, mowing work is conveniently achieved, the micro hydraulic cylinder body, the sealing gasket, the oil outlet groove and the groove are arranged, the self-lubricating effect of the mowing machine cutter head assembly structure is conveniently achieved, and the service life of the cutter head assembly structure is prolonged; and a sealing plug, a baffle and a spring are arranged, so that the lubricating liquid is conveniently added, and the sealing performance of the storage box is also ensured.

The application discloses a kind of submarine landslide impact pipeline or pile lifting rotary simulation device and its working method, belong to marine engineering test technical field.Device includes water tank, liftable gate, slope, miniature hydraulic cylinder, pipeline lifting rotary module and data acquisition module.Water tank is divided into landslide release area and impact test area by gate;Pipeline lifting rotary module includes annular rotary base, support column, rotator and rack lifter, can realize simulation pipeline horizontal plane rotation, vertical plane inclination adjustment and height adjustment, simulate different span height and impact angle;Through disassembling fixed base and lug base bolt, pipeline can be quickly converted into pile structure.Data acquisition module includes pressure sensor, strain sensor, PIV camera and laser, for synchronous acquisition impact load, structure response and flow field information.The application can flexibly adjust pipeline space posture, realize pipeline and pile test object conversion, effectively improve test efficiency and multi-parameter research ability.

The invention relates to the field of mechanical-electrical-hydraulic integration, and particularly discloses an actuating mechanism of an unmanned miniature intelligent hydraulic system. The miniature intelligent power unit and the hydraulic execution unit are arranged to form a miniature hydraulic system execution mechanism, and the miniature intelligent power unit and the hydraulic execution unit are connected through a signal line and a hydraulic oil pipe. A sensor on the hydraulic execution unit feeds back position, speed and pressure information of a hydraulic cylinder to a control circuit board through a signal line, the control circuit board controls a motor to drive a hydraulic pump to rotate according to a received instruction of an upper computer, and then the flow, pressure and oil supply time of output hydraulic oil are controlled. The hydraulic cylinder completes specified power output according to an instruction of an upper computer, the control circuit board conducts control monitoring according to feedback of a sensor on the hydraulic rod, a motion control closed loop of the speed, the position and the pressure of the hydraulic rod is achieved, and instruction operation can be powerfully, rapidly, accurately and reliably completed when a vehicle is switched to be driverless.

The invention relates to the technical field of spring type miniature one-way valves, in particular to a spring type miniature one-way valve and a control method thereof.The spring type miniature one-way valve comprises a valve seat, the valve seat is fixedly connected with a valve flow distribution type miniature hydraulic pump through outer side threads, a cavity is formed in the middle of the top of the valve seat, and a spring base is clamped at the bottom of the cavity; the valve seat cavity is slidably connected with a spring seat at the top of the spring base, a valve element groove is formed in the middle of the bottom of the spring seat, and a valve element is coaxially installed in the valve element groove in an interference fit mode. The sealing structure has the beneficial effects that as the pressure difference between the oil outlet and the oil inlet is reduced, the gap between the oil outlet of the valve seat and the valve element is correspondingly reduced until the oil outlet of the valve seat and the valve element are in surface contact to form sealing; and when the pressure difference between the oil outlet and the oil inlet is reduced, the gap between the oil outlet of the valve seat and the valve element is correspondingly reduced until the oil outlet of the valve seat and the valve element are in surface contact to form sealing, and the one-way valve is closed.

This application discloses a drain valve, relating to the field of drain valves, including a valve body. An inlet pipe is fixedly connected to one side of the valve body, and a drain pipe is fixedly connected to the bottom of the valve body. A first connecting ring is fixedly connected to the middle of the other side of the valve body. A miniature hydraulic telescopic rod is fixed inside the first connecting ring. A connecting rod is fixed to the power output end of the miniature hydraulic telescopic rod, and a baffle is fixed to one end of the connecting rod. This device connects two connecting holes to an external hydraulic device. The remote hydraulic device controls the movement of the connecting rod, thereby controlling the position of the baffle. When the connecting rod is extended to its maximum length, the baffle can abut against one end of the inlet pipe, sealing against leakage during use. Simultaneously, the baffle can completely cover one end of the inlet pipe, preventing further water flow from the drain pipe. When the baffle retracts, water from the inlet pipe can be discharged from the drain pipe, thus achieving remote control at a low cost.

1. Name of the product in this design: Proportional hydraulic directional valve (for miniature hydraulic models). 2. Purpose of this design: A proportional hydraulic directional valve for hydraulic models. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This disclosure relates to the field of prefabricated cabin connection technology. Embodiments of this disclosure provide a non-metallic high-strength fiber fireproof board prefabricated cabin connection structure, including a prefabricated cabin. A cabin door is rotatably connected to the front side of the prefabricated cabin, and a base plate is fixedly connected to the bottom of the prefabricated cabin. In this utility model, through the cooperation of components such as the frame of the fireproof board installation mechanism, the miniature hydraulic cylinder, and the arc-shaped fixing plate, when it is necessary to install the fireproof board on the outer surface of the prefabricated cabin, the worker first positions the fireproof board through the positioning holes, and then pushes the fireproof board forcefully. During the extension of the hydraulic rod, the arc-shaped rotating rod is pushed, causing the arc-shaped fixing plate to rotate through the support column. The rotation of the support column allows the arc-shaped fixing plate to install the positioned fireproof board. This technical solution solves the technical problem of unstable installation of fireproof boards in related technologies.

The invention discloses a visual fishing device and method based on a crawling robot. The visual fishing device comprises a micro hydraulic oil pump station, a cooperative control system, a bimodal visual system, a holding unit, a guiding unit, a dynamic anchoring mechanism, an instrument shell, a cable, a crawling unit and a handheld terminal. The dual-mode visualization system is provided with a driving telescopic component and a high-definition micro camera; the micro hydraulic oil pump station is provided with a hydraulic pump and a driving motor; a transmission shaft and a rolling wheel of the guide unit are matched with each other to move the fish to the holding unit, the slip of the holding unit holds the fish tightly, and the control terminal outside the hole sends a hole outlet command, so that the crawling unit is controlled to move out of the hole, and finally the fish is dragged to a hole opening. Fish falling positions can be checked in real time, postures can be adjusted, and the fishing success rate of the handheld drilling geophysical prospecting equipment can be increased.

This utility model relates to the field of lubricating oil processing, and more particularly to a lubricating oil processing and conveying system, including a main pipeline, branch pipelines, an energy metering chip, a controller, and a power management module. A flow quality sensor is installed on the main pipeline to monitor the lubricating oil flowing through it. Branch pipelines branch off from the main pipeline and are equipped with a proportional solenoid valve and a miniature hydraulic generator turbine. The proportional solenoid valve adjusts its opening degree according to a control signal. The miniature hydraulic generator turbine, located inside the branch pipeline, rotates and generates electricity as the lubricating oil flows through it. The controller is connected to the flow quality sensor, the proportional solenoid valve, and the miniature hydraulic generator turbine, respectively, receiving signals from the flow quality sensor and controlling the opening degree of the solenoid valve. The energy metering chip monitors the power generation of the miniature hydraulic generator turbine. This utility model enables simple and accurate flow monitoring and control, has the ability to detect pipeline blockages, and reduces the need for external power supply.