685 results about "Pressure.drive" patented technology

A brake system for actuating a plurality of wheel brakes comprising first and second pairs of wheel brakes includes a reservoir and a motor-driven master cylinder operable during a normal non-failure braking mode to generate brake actuating pressure at first and second MC outputs for hydraulically actuating the first and second pairs of wheel brakes. A secondary power transmission unit is configured for selectively providing pressurized hydraulic fluid at first and second PTU outputs and includes an electric PTU motor configured to selectively pressurize the hydraulic fluid by transmitting rotary motion to at least two pump pistons. The secondary power transmission unit is indirectly fluidly connected to the reservoir to selectively draw hydraulic fluid therefrom.

The invention discloses an anti-jamming coal mining drilling machine with drilling and multidirectional impacting functions and a using method thereof.The anti-jamming coal mining drilling machine comprises a drilling machine body, a high-pressure driving mechanism is arranged on the drilling machine body through a multidirectional guide rail mechanism, and a drilling assembly is connected with the high-pressure driving mechanism; when the drilling machine works, the high-pressure driving mechanism drives the drill rod and the drill bit to conduct rotary drilling, the high-frequency transverse vibration mechanism synchronously generates transverse high-frequency vibration, the high-pressure driving mechanism drives the drill rod and the drill bit to conduct rotary drilling, and the high-frequency transverse vibration mechanism drives the drill rod and the drill bit to conduct rotary drilling. The friction force between the drill bit and rock is reduced, debris accumulation is prevented, efficient deslagging is achieved, when hard rock or drill jamming occurs, the longitudinal vibration impact mechanism triggers longitudinal vibration, impact and drill jamming prevention functions are achieved through cooperative work of transverse vibration and longitudinal vibration, the drill jamming problem under the complex geological condition is effectively solved, the drilling efficiency and equipment reliability are improved, and the drilling cost is reduced. The device is suitable for drilling operation of mining roofs and baseplates, sides and the like.

The invention discloses a hydrostatic guideway performance testing device and a hydrostatic guideway performance testing method, the testing device comprises a base, a limiting part, an oil supply assembly, a pressure reducing valve, a driving part, a detection assembly and a processor, the base is used for installing two guideways, a guideway groove is arranged between the two guideways, and the limiting part is arranged at the tops of the guideways. The oil supply assembly enables oil films to be generated between the static pressure sliding block and the inner wall face of the guide rail groove and between the static pressure sliding block and the limiting part. The pressure reducing valve is used for adjusting the pressure of the oil film between the limiting part and the static pressure sliding block. The driving part is used for driving the static pressure sliding block to slide in the guide rail groove. The processor is at least used for calculating the rigidity of the oil film, judging the bearing capacity of the static pressure sliding block through the rigidity of the oil film and judging whether the motion performance of the static pressure sliding block meets the standard or not through the temperature of oil in the static pressure sliding block and the flow of the oil in the static pressure sliding block. The static pressure guide rail performance testing device solves the problem that a static pressure guide rail performance testing device in the prior art cannot comprehensively test the performance of a static pressure sliding block.

The invention relates to the technical field of flour conveying, in particular to a flour conveying device which comprises a conveying cylinder. The discharging barrel is rotatably mounted at one end of the conveying barrel, the air pressure driving bin and the conveying bin are arranged on the two sides of the interior of the conveying barrel in a separated mode through a side-arranged T-shaped partition plate, one side of the draught fan communicates with a material guiding pipe, and the power transmission mechanism is arranged at the end, away from the discharging barrel, of the conveying barrel and rotatably connected with a power shaft of the draught fan through a main transmission belt. A detachable transmission part is arranged between the rotary power assembly and the power transmission mechanism, and a spiral discharging blade is arranged at the position, close to the outlet, in the discharging barrel; and the pneumatic driving mechanism is arranged in the pneumatic driving bin, one end of the pneumatic driving mechanism is connected with the power transmission mechanism, the pneumatic driving mechanism drives the connecting shaft to rotate so as to drive the spiral blade to rotate and operate, and a high-pressure gas outlet is formed in the center of the side T-shaped partition plate. The device fully and efficiently transfers flour, and is high in energy utilization rate, energy-saving and efficient.

The invention relates to the technical field of sealing devices, in particular to an ocean deepwater oil and gas exploitation sealing device which comprises a sealing ring, a clamping connection pressing ring and a downward-pressing driving ring, and the downward-pressing driving ring is connected with a feeding tool in a clamped mode through a plurality of locking rods. According to the well head sealing device, locking between the sealing ring and the well head is achieved, locking between the pressing-down driving ring and the casing hanger is also achieved, the sealing device is connected with the well head and the casing hanger in a clamped mode, when shaking occurs, the probability of separation is reduced, and upward extraction and separation between the sealing device and the well head and between the sealing device and the casing hanger are avoided. When the thrust sleeve on the feeding tool presses the clamping pressing ring downwards, the clamping pressing ring drives the guide plate to vertically slide downwards, so that clamping between the locking rod and the feeding tool can be separated, that is, after the sealing device is installed, the sealing device and the feeding tool can be separated, and a breaking point does not need to be arranged.

The invention discloses a pressure driving control method, a driving control system and a storage medium, and the pressure driving control method comprises the steps: a driving controller controls a driving execution mechanism to move close to a to-be-executed workpiece at a speed greater than or equal to a first speed until a first position; the driving controller controls the driving execution mechanism to continuously approach the to-be-executed workpiece to run at a speed less than or equal to a second speed until a second position; wherein the second speed is smaller than the first speed; and the driving controller is switched into a torque control mode, and the driving execution mechanism is continuously controlled to operate until the driving execution mechanism abuts against the to-be-executed workpiece with the preset pressure. Due to the fact that the driving controller controls the driving executing mechanism to move close to the to-be-executed workpiece at the high-speed stage and the low-speed stage, the situation that the to-be-executed workpiece is collided at the high speed is prevented, and meanwhile the executing efficiency is improved.

The invention discloses an intelligent simulation koji making machine which comprises a machine table, a material moving mechanism, a material weighing mechanism, a shaping and pressing mechanism, a koji making and pressing mechanism, a first rack and a second rack, the material moving mechanism comprises a material supporting table, a material receiving and shaping frame, a koji making and pressing frame, two moving driving assemblies and four lifting driving assemblies, the material weighing mechanism comprises a weighing hopper, the shaping and pressing mechanism comprises a first pressure driving part and a shaping pressing block, and the koji making and pressing mechanism comprises a koji making pressing block and a plurality of second pressure driving parts. The raw materials can be automatically weighed through the weighing hopper and placed into the material moving mechanism, and when the material moving mechanism moves forwards to the position below the shaping and pressing mechanism and the koji making and pressing mechanism, the shaping and pressing mechanism can shape and press the taken raw materials; and the koji making and pressing mechanism can perform koji making and pressing on the koji blocks subjected to shaping and pressing, so that the working efficiency is improved, and the labor intensity of operators is reduced.

A pressure-actuated switch having a pressure port, a diaphragm, a range spring, an actuator plate, a differential plate, and an electrical switch. A certain pressure level moves the diaphragm against the range spring at the pressure port and thus deflects the actuator plate. The actuator plate is coupled to the electrical switch via a snap spring, wherein the electrical switch can be switched on or off via the deflection of the actuator plate and the snap spring. The differential plate controlled by a differential spring is connected to the actuator plate and supports the actuator plate in a first portion of movement, wherein the differential plate is decoupled from the actuator plate in a second portion of movement of the actuator plate.

The utility model discloses embedded type double-station burning equipment. The embedded type double-station burning equipment comprises burning mechanisms which are arranged in pairs, the burning mechanism comprises a carrier plate body used for placing a chip, a movable probe plate, a detachable pressing assembly and a VPC module, the carrier plate body is located above the probe plate, the pressing assembly comprises a pressing driving part and a pressing plate, and when the probe plate moves to the position below the pressing assembly, the pressing driving part drives the pressing plate to press the chip. And the pressing driving part drives the pressing plate to move downwards so as to press the carrier plate body on the probe plate. According to the utility model, the burning efficiency of the chip is improved, and the switching test of different types of chips is facilitated.

The invention provides an ultrasonic driving circuit, an ultrasonic radar and a vehicle, and relates to the technical field of ultrasonic devices. The capacitor is connected with the power supply module, and the capacitor is also used for being connected with the ultrasonic transducer; the power supply module is used for charging the capacitor; the capacitor is used for providing a positive pressure driving signal and / or a negative pressure driving signal for the ultrasonic transducer; wherein the detection ranges of ultrasonic waves emitted by the ultrasonic transducer driven by the positive pressure driving signal and the negative pressure driving signal are different. According to the invention, the detection distance of the ultrasonic wave emitted by the ultrasonic transducer can be increased, and the integration area of the whole ultrasonic drive circuit is not increased.

The invention discloses a fluid pressure driving type controllable rubber sealing device and a control method thereof. The fluid pressure driving type controllable rubber sealing device comprises a sealing ring, a pressure adjusting device and a monitoring control system. The sealing ring comprises a plastic ring and a rubber outer ring; the pressure adjusting device comprises a rubber inner ring, a fluid conveying pipe and a valve element. The monitoring control system comprises a monitoring device, a microprocessor, a controller and a voltage transformation device. According to the control method, the leakage amount of the sealing element is monitored in real time through the monitoring device, the compensation pressure needed by the annular pressure cavity in the rubber inner ring is obtained through analysis and calculation of the microprocessor, the pressure transformation device is controlled by the controller to open and close the valve element, contraction and expansion of the sealing element are achieved, and the purpose of accurately controlling leakage is achieved. The environment adaptability of the sealing element is enhanced, long-term stable operation of sealing is ensured, and the service life of the sealing element is prolonged.

The invention relates to an automatic press-fitting system for a rotor and a spline shaft, which is characterized in that a laser sensor is used for detecting the reflected light intensity difference of a tooth crest and a tooth groove, and a PLC (Programmable Logic Controller) calculates the angular deviation of the spline shaft in real time based on a difference signal and generates a rotation instruction; after receiving the instruction, the servo motor drives the spline shaft to adjust at a certain increment angle; the suction cup tool sucks the rotor end face through a vacuum suction cup and moves to the position coaxial with the spline shaft; and the servo press drives the rotor to press with constant pressure, the PLC synchronously analyzes the press-in force and displacement, when the displacement reaches a preset range, it is judged that meshing succeeds, and when the displacement does not reach the preset range, it is judged that tooth crest interference occurs, and a reverse rotation correction process is triggered. The system can realize high-precision angle detection and dynamic correction, improves the one-time success rate of engagement of the spline shaft and the rotor, is suitable for precision assembly scenes such as a new energy automobile electric drive system and an industrial speed reducer, effectively reduces the manual intervention cost, and improves the production takt time stability.

The invention discloses a low-pressure driven and rotatable pneumatic head diaphragm valve, and belongs to the technical field of diaphragm valves, the low-pressure driven and rotatable pneumatic head diaphragm valve comprises a pneumatic head rotatably mounted on a valve body base, the pneumatic head comprises a pneumatic head base, a pneumatic head body and a gland, a driving air source inlet is formed in the side face of the pneumatic head body, a plurality of pistons are arranged in a cavity of the pneumatic head, and a driving air source is arranged in the driving air source inlet. And elastic pieces are arranged between the gland and the pistons and between the pistons. According to the low-pressure-driven and rotatable pneumatic head diaphragm valve, the driving air source inlet is formed in the side face of the pneumatic head, the pneumatic head can rotate by 360 degrees on the valve body base, and the low-pressure-driven and rotatable pneumatic head diaphragm valve can adapt to various installation occasions for installation and is used for various working conditions; the multiple pistons are arranged in the pneumatic head, the elastic pieces are arranged between the pistons and the gland and between the pistons, when the pneumatic valve is opened, the pressure of the two sets of elastic pieces needs to be resisted at the same time, and therefore the force value of the elastic pieces is increased, the stacked pressure of the elastic pieces is balanced under the condition that the driving pressure is not changed, and valve abrasion is prevented.

The invention relates to the field of metal material testing, in particular to equipment for testing material performance, which comprises a testing platform, the testing platform is provided with a detection mechanism, a supporting mechanism, an extrusion mechanism and a power mechanism, the extrusion mechanism and the power mechanism are arranged on the supporting mechanism, and the extrusion mechanism comprises an extrusion block and a reversing unit for adjusting the orientation change of the extrusion block. At least one end of the extrusion block is open, the extrusion block is used for shearing and crushing a to-be-tested substrate, and a rotating handle is arranged on the extrusion block; and the power mechanism comprises a shearing driving unit and a pressure driving unit which are used for driving the extrusion block to move. By implementing the scheme, the test efficiency of the magnesium alloy material under various test conditions is improved.

The application relates to the technical field of well drilling, and is a motor control type variable-diameter stabilizer, which comprises a variable-diameter mechanism, a pressure driving mechanism, a non-magnetic drill collar, a control outer shell and a variable-diameter joint which are sequentially and threadedly connected together from top to bottom, the variable-diameter mechanism comprises a righting block which is slidingly installed in an installation sliding groove, the variable-diameter joint is provided with a limiting ring, a reset spring is arranged between the installation sliding block and the limiting ring, the variable-diameter joint is provided with a plurality of sinking grooves, a piston is arranged in each sinking groove, the variable-diameter joint is provided with a liquid storage channel, a communication hole which is in communication with the liquid storage channel is arranged on the inner side wall of each sinking groove, the control outer shell is internally provided with the pressure driving mechanism, the non-magnetic drill collar is internally provided with a control system, and the pressure driving mechanism is electrically connected with the control system. The application has the advantages of reasonable and compact structure, convenient use, safety, labor saving and high efficiency, and the righting block is controlled by forming a pressure difference at the variable-diameter joint and extending.

The invention relates to the technical field of robot servo control, in particular to a low-pressure drive control intelligent servo control method for a walking robot and a driving device. The method comprises the following steps of collecting a user behavior control instruction output by a decision unit, performing behavior semantic analysis and intelligent servo parameter regulation and control, and generating a bottom layer servo control instruction; a robot foot end sensing parameter set is collected, foot end pressure distribution calculation is carried out, terrain interaction state analysis is carried out, and a real-time terrain interaction state map is constructed; robot action behavior prediction is carried out based on a bottom layer servo control instruction and a real-time terrain interaction state map, and a full-joint load distribution sensing model is constructed; and performing minimum output power demand calculation based on a full-joint load distribution perception model, performing dynamic power distribution, and constructing a low-voltage driving control engine. Driving parameters are dynamically adjusted according to environment changes and load trends, and efficient and stable motion control of the walking robot is achieved.

The invention discloses a building external wall heat preservation structure, and belongs to the technical field of building external wall heat preservation, the building external wall heat preservation structure comprises an external wall, a first wallboard and a second wallboard, the first wallboard and the second wallboard are fixed on the outer side wall of the external wall, water storage cavities are formed in the first wallboard and the second wallboard, a water inlet is formed in the top surface of the first wallboard, and a port adjusting assembly is arranged in the first wallboard; a pressure adjusting assembly is arranged in the first wall plate, and a clean discharging assembly is arranged in the opening adjusting assembly. The water inlet is automatically sealed through the arranged opening adjusting assembly, so that excessive impurities in the external environment are prevented from entering the water storage cavity through the water inlet, the efficient performance of a temperature adjusting medium is maintained, the pressure adjusting assembly is triggered through the opening adjusting assembly to seal and press down water in the first wall plate to a certain degree, and the sealing effect is improved. And the pressure adjusting assembly is driven by the pressure of the liquid to block the gap between the two adjacent second wallboards, so that permeation and transmission of cold and heat energy through the gap between the second wallboards are greatly reduced, and the heat preservation effect of a building is improved.

The utility model discloses a filtering device for water paint production, and particularly relates to the field of filtering devices, the filtering device comprises a filtering box, the top of the filtering box is fixedly communicated with a feeding pipe, the bottom of the right side of the filtering box is fixedly communicated with a discharging pipe, and a valve is mounted on the discharging pipe; and a filtering mechanism is mounted in the filtering box. When the filtering device is pushed inwards and the sliding blocks make contact with the surfaces of the insertion blocks, the contact force enables the insertion blocks to move outwards till the insertion grooves correspond to the insertion blocks in position, so that the connecting springs lose pressing force, the insertion blocks are driven to move inwards to be inserted into the insertion grooves, and therefore the filtering device is fixed. When the filtering device needs to be taken out, a pushing block is pressed inwards, the pushing block drives a first piston to move inwards, air pressure drives two second pistons to move outwards, the second pistons move to drive two pushing pieces to move outwards through a connecting rod, the pushing pieces push two inserting blocks out of a pushing groove, and the filtering device is pulled out outwards. Therefore, the filtering device is convenient to mount and dismount.

The utility model discloses visual mouth matching equipment for vacuum cup processing, which comprises a rack, and a turntable mechanism, a cup mold ejecting mechanism, a mouth matching front detection support frame and a pressing support frame which are arranged on the rack, a mouth matching front detection mechanism is arranged on the mouth matching front detection support frame, and a pressing mechanism is arranged on the pressing support frame. The cup mold ejection mechanisms comprise cup molds used for fixing vacuum cups, the cup mold ejection mechanisms are correspondingly arranged below the opening matching front detection mechanism and the pressing mechanism, and the opening matching front detection mechanism comprises a front detection camera with a lens facing the corresponding cup mold ejection mechanism. The downward pressing mechanism comprises a downward pressing driving source arranged on the downward pressing supporting frame, a downward pressing telescopic rod driven by the downward pressing driving source to move up and down, a downward pressing guiding assembly arranged on the downward pressing telescopic rod and moving up and down along with the downward pressing telescopic rod, and a downward pressing buffering assembly arranged at the end of the downward pressing guiding assembly. The utility model solves the problems of low production efficiency, unstable rate of finished products and the like in the production process of the conventional opening matching procedure of the vacuum cup.

The invention relates to the technical field of bearings, in particular to a comprehensive evaluation method and system for the sealing performance of a deep groove ball bearing. According to the method, the actual working state of the deep groove ball bearing is obtained through the dynamic contact half width and the contact stress, the health condition of a sealing part can be reflected more accurately, and the dynamic characteristics of the sealing change in the working process of the bearing can be captured in time by measuring the total contact pressure and the contact stress in real time; by monitoring the pressure driving leakage rate and the centrifugal effect leakage rate of the contact area of the sealing lip and the bearing ring, the sealing performance can be evaluated more directly and accurately, and by monitoring the dynamic oil film thickness and the medium pressure difference of the contact area in real time to obtain the leakage rate, the sealing state can be reflected more accurately. By comprehensively considering various factors such as the pressure driving leakage rate and the centrifugal effect leakage rate, a more comprehensive sealing efficiency index can be obtained, and the accuracy and reliability of sealing performance evaluation are improved.

1. The name of the product of this design: Bulldozer (static pressure high drive). 2. The purpose of this product design: used for various operations such as moving accumulated soil, digging channels, filling soil, and clearing sites. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

Provided in the present invention is a double-layered liner structure comprising: a sub-structure; and a coating layer formed on top of the sub-structure.

The invention discloses a preparation device and process of hydrophobic lightweight concrete, and relates to the technical field of concrete processing, the preparation device comprises a base, a pedestal, a die holder, a vibration mechanism, a pressing plate, a hydraulic cylinder, a height adjusting mechanism and a one-way valve structure; the height adjusting mechanism communicates with the exhaust channel and is configured to drive the pressing plate to descend relative to the hydraulic cylinder through the pressure of gas entering the exhaust channel so as to reduce the distance between the pressing plate and the upper surface of the raw material. According to the invention, the special one-way valve structure is arranged on the pressing plate and matched with the up-and-down reciprocating motion of the die holder, so that air extruded from raw materials can be actively exhausted to the exhaust channel in the vibration process, and most of air can be effectively exhausted even if the vibration time is relatively short, so that the tap density of the raw materials is ensured, and the production efficiency is improved. And the layering phenomenon of light and heavy materials caused by long-time vibration is avoided, so that the overall quality and the yield of the lightweight concrete are remarkably improved.

The invention provides a cooling device, a control method, a compression system and an air conditioner, the cooling device comprises a cooling unit and a vacuum pump, the cooling unit comprises an oil storage tank and an oil conveying tank, an oil inlet and an exhaust port are formed in the upper end of the oil conveying tank, and an oil outlet is formed in the lower end of the oil conveying tank; the oil inlet pipeline communicates with the oil storage tank and the oil inlet. The exhaust pipeline communicates with the vacuum pump and the exhaust port. Under the action of the vacuum pump, air in the oil conveying tank is exhausted, so that negative pressure is formed in the oil conveying tank; under the action of negative pressure, cooling oil in the oil storage tank enters the oil conveying tank through the oil inlet pipeline, and then the cooling oil in the oil conveying tank is output through the oil outlet pipeline; the scheme that the vacuum pump replaces a traditional oil pump is adopted, cooling oil in the oil storage tank is input into the oil conveying tank through negative pressure, then the cooling oil is output through gravity, and conveying of one or more kinds of cooling oil is achieved; due to the characteristic of negative pressure driving, the device is not influenced by the viscosity of cooling oil and can be compatible with cooling oil with different rheological characteristics; when cooling oil is replaced, only the oil conveying tank and the corresponding pipeline need to be cleaned.

The utility model relates to the technical field of motorcycle brake discs, and discloses a scratch-proof motorcycle disc brake disc with sand discharge grooves, which comprises a disc brake disc body, heat dissipation holes and screw holes, a fixing plate is fixedly arranged in the middle of the disc brake disc body, a ventilation ring is arranged on the outer side of the fixing plate, the sand discharge grooves are arranged on the outer side of the ventilation ring, the heat dissipation holes are arranged among the sand discharge grooves, and the screw holes are arranged in the heat dissipation holes. The middle of the disc brake disc body is provided with an air guide structure, discs on the two sides of the disc brake disc body are fixedly connected through reinforcing ribs, the outer arc portion of each sand discharging groove is an inclined face, the inner arc portion of each sand discharging groove is a right-angle face, and the contact face between the sand discharging grooves and the disc brake disc body and the contact face between the heat dissipation holes and the disc brake disc body are subjected to round corner treatment. When the hollow air guide structure rotates, internal low pressure drives airflow to flow in from the heat dissipation holes and to be discharged from the edge, complete air circulation is formed, the heat dissipation performance is greatly improved, no sharp face exists between the brake pad and the brake disc due to round corner treatment, the airflow is guided, the pollution discharge capacity is enhanced, and meanwhile the scratch probability is reduced.

The utility model relates to the technical field of cleaning and nursing devices, in particular to a nasal aspirator which comprises a shell, a suction nozzle arranged outside the front end of the shell and a negative pressure driving assembly arranged at the rear end of the shell, the shell is provided with an opening and closing assembly, the negative pressure driving assembly is provided with a one-way air valve, and a snot containing cavity is formed between the inner wall of the shell and the negative pressure driving assembly. The suction nozzle is communicated with the snot containing cavity through the opening and closing assembly, the opening and closing assembly is used for opening or closing communication between the suction nozzle and the snot containing cavity, the one-way air valve is used for communicating the snot containing cavity and the negative pressure driving assembly in a one-way mode, the air inlet end of the one-way air valve is communicated with an air pipe, and the air pipe extends into the snot containing cavity. According to the nasal discharge collecting device, the air pipe is arranged to stretch into the nasal discharge containing cavity, so that nasal discharge in the nasal discharge containing cavity cannot enter the one-way air valve, the situation that the nasal discharge leaks outwards or the one-way air valve is damaged is avoided, a containing part needed in the prior art for collecting the nasal discharge is omitted, the structure is simplified, assembly is convenient and fast, cost is reduced, and the nasal discharge collecting volume is increased.

The utility model provides inspection equipment, and relates to the technical field of overhead transmission line inspection. The inspection equipment comprises a driving structure, a main body frame, a lifting structure and a pressure detection structure, the driving structure is movably connected with the main body frame, the pressure detection structure is connected with the driving structure, the pressure detection structure is used for detecting pressure applied by the driving structure to an overhead transmission line wire or a ground wire, and the lifting structure is connected with the driving structure and the main body frame. The lifting structure is electrically connected with the pressure detection structure, and the lifting structure is configured to drive the driving structure to lift relative to the main body frame according to the pressure so as to adjust the pressure to the preset pressure. According to the inspection equipment provided by the invention, the driving structure is not easy to slip when moving on the overhead transmission line lead or the ground wire, and the inspection efficiency of the inspection equipment is prevented from being influenced.

The utility model discloses an oil unloading tank for transferring crude oil, which comprises a tank body, two opposite ends of the tank body are respectively provided with an injection port and an output port, two layers of filter plates are fixedly connected inside the tank body, the inside of the tank body is divided into three parts by the filter plates, and the three parts are sequentially divided into a first cavity, a second cavity and a third cavity from the injection port to the output port. A sampling assembly is arranged on the outer wall, corresponding to the third cavity, of the box body, blow-down valves are arranged on the inner walls, corresponding to the first cavity and the second cavity, of the box body, and pressure assemblies are arranged on the outer walls of the first cavity and the third cavity. The pressure assembly is arranged in the oil unloading tank body, pressure distribution in the tank body can be changed, pressure difference is formed in the tank body, and crude oil is driven by pressure to penetrate through the filter screen, so that the filtering efficiency is improved.

The invention relates to the technical field of industrial circulating water treatment, in particular to a negative pressure driven micro-nano bubble industrial circulating water descaling treatment system which comprises a water quality monitoring module, a negative pressure generation and control module, a micro-nano bubble generation module, an intelligent descaling execution module, a network communication module and a man-machine interaction and visualization module. According to the system, personalized and precise descaling management is realized through multi-source data fusion, water quality prediction, dynamic descaling demand analysis and global optimization strategy generation; and meanwhile, bubble diffusion and self-cleaning functions are integrated, the descaling efficiency and the operation stability are improved, and risk early warning and closed-loop optimization capabilities are achieved. The operation efficiency of the industrial equipment can be remarkably improved, the energy consumption is reduced, and the system reliability and management convenience are enhanced.

The invention provides a method for optimizing injection parameters of deep low-permeability thick oil viscosity reduction pressure drive. The method for optimizing the injection parameters of the deep low-permeability thick oil viscosity reduction pressure drive comprises the steps that 1, pressure drive pump injection limited pressure is determined; 2, determining a reasonable formation pressure coefficient; 3, the injection amount required for recovering the formation pressure to the reasonable formation pressure is calculated; step 4, determining the concentration of the viscosity reducer injected by the viscosity reduction pressure drive; 5, the injection amount and the slug number of each slug in pressure driving are determined; step 6, determining a pressure driving slug interval period; and 7, after each slug is finished, entering the next slug until the total injection amount is finished. According to the method for optimizing the injection parameters of the deep low-permeability thick oil viscosity reduction pressure drive, the problem of rapid energy supplementation in the viscosity reduction pressure drive process is solved, meanwhile, the problems of water flooding, water channeling and poor fluidity caused by damage of thick oil pressure drive to a viscosity reduction cavity are solved, and the method for improving the single well productivity of deep low-permeability thick oil viscosity reduction pressure drive is provided.