1441 results about "Distributor" patented technology

The invention relates to the technical field of underground casing monitoring, and discloses an injection well immovable string casing damage rapid detection device based on efficient testing and adjusting, the injection well immovable string casing damage rapid detection device comprises a testing vehicle, a top sheave and a casing, one side in the testing vehicle is provided with a ground control system, and the other side in the testing vehicle is provided with a double-roller winch; a cable is wound on the outer side of the double-roller winch, an electromagnetic flaw detection testing instrument is installed at one end of the cable, an oil pipe is arranged in the casing pipe in a sleeved mode, a plurality of packers are sequentially installed between the outer side of the oil pipe and the inner wall of the casing pipe from top to bottom, and a plurality of water distributors are sequentially distributed in the oil pipe from top to bottom. A water injection well efficient testing and adjusting technology and an electromagnetic flaw detection technology are combined, an electromagnetic flaw detection testing instrument is tripped in through a testing vehicle, cable power supply and communication are tested, a ground control system carries out signal acquisition and processing on the electromagnetic flaw detection instrument, and rapid detection of casing damage of a water injection well immovable string is achieved.

An oil distributor for an axle drive of a motor vehicle, having a first trough element with a first wall, a second trough element which is placed onto the first trough element and has a second wall, wherein the first trough element and / or the second trough element has an oil capture opening; wherein in an assembled state, the first trough element is fluidically connected to the second trough element, and the first trough element and the second trough element form a U-shaped outer contour at least in portions such that the first trough element and the second trough element may surround portions of a gear wheel of a gear mechanism; and an oil outlet opening formed in the first trough element and / or the second trough element, via which an oil may emerge from the oil distributor.

The invention discloses a trajectory tracking and stability cooperative control method and system for a four-wheel independent steering vehicle. The method comprises the steps that firstly, a four-wheel independent steering vehicle dynamics model and a tire model are built according to vehicle parameter information; secondly, drawing a vehicle phase plane graph based on a kinetic model and a tire model to obtain a vehicle stability constraint relation and dividing a stability region; then a dual-mode adaptive model prediction controller is constructed based on the phase plane stability region and the vehicle state; and finally, constructing a system model for trajectory tracking and stability coordination control of the four-wheel independent steering automobile by combining a lower-layer corner torque distributor. The stability constraint relation and control parameters of the vehicle can be adjusted in real time according to the state parameters of the vehicle, and the trajectory tracking precision and stability of the four-wheel independent steering vehicle are comprehensively improved.

The utility model provides an oxidation tower gas distributor, which relates to the technical field of oxidation tower gas distributors and comprises a gas inlet pipe, a first annular distribution pipe is arranged on one side of the gas inlet pipe, a second annular distribution pipe is arranged on one side of the first annular distribution pipe, and flanges are arranged on the surfaces of the two ends of the first annular distribution pipe and the second annular distribution pipe. Seven gas outlet pipes are arranged on the top face of the second annular distribution pipe, gas is discharged out of the rotating pipe in a spiral mode through an arc-shaped channel in the surface of the swirler, mixing of the gas and liquid is increased through the spiral gas, and due to the fact that a force in the reverse direction can be generated when the gas is discharged out of the rotating pipe, the force in the reverse direction can push the rotating pipe to rotate; therefore, the gas discharging position is changed, the gas discharging range is enlarged, gas-liquid mixing is further improved, and the defect that gas can only be discharged out of the distributor in a linear mode, the gas discharging position is fixed, and rotation cannot be conducted, so that the gas-liquid mixing efficiency is low is overcome.

The invention relates to an eccentric Tamping probe that belongs to the field of Geotechnical Engineering and provides mechanical improvement along lateral direction of the soil at the desired depth, especially in loose and medium dense granular grain dominated soils with insufficient bearing capacity or excessive settlements in the natural state. The eccentric tamping probe of the invention, which provides mechanical improvement by compacting the soil in a lateral direction when attached to a standard drilling machine or engine, comprises an eccentric crankshaft (2), wing fasteners (8), ramming wings (4), a central distributor (9), a main frame (7), a drilling bit (1), and a protective fabric.

An apparatus for controlling driving of a transport vehicle in a goods transport system includes a processing unit providing information on a movement path of the transport vehicle, a motion controller generating a drive signal including front- and rear-wheel torque signals for driving front and rear wheels, respectively, of the transport vehicle, a front-wheel torque controller controlling rotation torque of the front wheel on the basis of the front-wheel torque signal, and a rear-wheel torque controller controlling rotation torque of the rear wheel on the basis of the rear-wheel torque signal. The motion controller includes a position controller generating a positional signal determining a position of the transport vehicle, a speed controller generating a speed signal determining a speed of the transport vehicle, and a torque distributor generating the front- and rear-wheel torque signals.

The utility model relates to a low Prandtt number distributor which comprises a bottom plate, an inner partition plate, a flow guide plate, an accelerator plate, a speed reducing plate and end plates, the bottom plate, the inner partition plate, the flow guide plate, the accelerator plate and the speed reducing plate are sequentially arranged between the two end plates which are arranged left and right from bottom to top, a plurality of accelerator plate holes are evenly distributed in the accelerator plate, and a plurality of speed reducing plate holes are evenly distributed in the speed reducing plate. The inner partition plate, the flow guide plate and the two end plates form a flow guide cavity, the flow guide plate, the acceleration plate and the two end plates form an acceleration cavity, the flow guide cavity is communicated with the acceleration cavity, and the acceleration plate, the deceleration plate and the two end plates form a deceleration cavity. According to the utility model, a gas-liquid two-phase mixture with a low Prandtt number is created by changing the flow speed and the macroscopic flow state of the refrigerant, and the heat exchanger has the advantages that the refrigerant is uniformly distributed, the utilization rate of a heat exchange area is improved, the heat transfer performance is improved, the refrigerant uniformly and stably flows out, and the erosive wear of the refrigerant to the heat exchange tube bundle is reduced.

The invention discloses a distributed driving electric vehicle path tracking and stability control method and system, and belongs to the technical field of electric vehicle active safety control. The method comprises the following steps: constructing a state-space equation based on a driver path tracking model and a vehicle three-degree-of-freedom motion model; establishing a dynamic envelope region based on a phase plane method, inputting the current parameters of the vehicle into the dynamic stable envelope region, and outputting a weight; constructing a controller based on the state-space equation, and taking the weight output by the dynamic stable envelope region as the control weight of the controller; inputting the vehicle state variables and the vehicle parameters into a controller, and outputting a longitudinal driving torque, an additional yaw torque, an additional front wheel turning angle and a driver intention turning angle required by driving; the additional front wheel turning angle and the driver intention turning angle are superposed to serve as input of a steering motor; a torque distributor is designed to distribute a longitudinal driving torque and an additional yaw torque, and the distributed torques are used as given values of the four hub motors.

The invention relates to the technical field of hydraulic distributors, and discloses a hydraulic distributor with a balance guide rod anti-shaking function and a method thereof.The hydraulic distributor comprises a machine shell, a valve element is slidably connected into the machine shell, and a vibration buffering assembly is arranged at the other end of the machine shell; the vibration buffering assembly comprises a shell, a damping pipe is fixedly installed in the shell, and a guide rod is fixedly connected to the end, away from the driver, of the valve element. A first adjusting part is arranged on the piston, the first adjusting part comprises a rotating ring, the rotating ring is rotationally connected into the piston, and a plurality of valve blocks are fixedly connected to the outer wall of the rotating ring. Through the arrangement of the vibration buffering assembly, when the valve element is impacted to shake, damping oil flows to form basic damping force for preliminary buffering, then compressed nitrogen is used for absorbing energy to achieve secondary buffering, a first spring and nitrogen can assist in resetting of components, double progressive vibration buffering is achieved, and the shaking condition of the valve element is relieved.

The invention relates to a driving, braking, rotating and suspending integrated shaft module and a variable-configuration drive-by-wire chassis formed by the driving, braking, rotating and suspending integrated shaft module, the driving, braking, rotating and suspending integrated shaft module comprises a single-wheel driving module, and the single-wheel driving module comprises a profile frame and angle modules arranged on the profile frame in a mirror symmetry mode; the angle module comprises a driving module, a suspension module, a braking module and a steering system; wherein the driving module comprises a hub motor, a tire arranged on the hub motor and a battery for supplying power to the hub motor; the suspension module comprises a steering arm, an upper swing arm, a lower swing arm and a damping spring, wherein the first ends of the upper swing arm and the lower swing arm are hinged to the steering arm. The brake module comprises a brake pump, an oil pressure distributor connected with the oil output end of the brake pump, brake calipers and a brake disc. Wherein the steering system comprises a steering motor and a lower steering engine driven by the steering motor to act, and the end part of the lower steering engine is connected with the steering arm; the driving, braking, rotating and suspending integrated shaft module and the variable-configuration drive-by-wire chassis formed by the driving, braking, rotating and suspending integrated shaft module are reasonable in design and high in expansibility.

The utility model relates to the technical field of high-pressure aerosol generator devices, and discloses a high-pressure aerosol generator device which comprises a fixed cover, and a regulation and control mechanism is arranged at the upper end of the fixed cover. The regulation and control mechanism comprises an air distributor, a plurality of pressure regulating valves, a plurality of first clamping sleeve connectors, a plurality of air pipes, a second clamping sleeve connector, a plurality of nozzle bodies, a plurality of nozzle round collars and a plurality of connecting openings, an air inlet nozzle is fixedly arranged at the upper end of the air distributor, and a blocking piece is fixedly arranged at the position, close to the interior, of the lower end of the fixing cover. And a sealing ring is fixedly arranged outside the lower end of the fixed cover. According to the utility model, by injecting compressed air and changing the number and pressure setting of the pressure regulating valves, the concentration of aerosol can be easily adjusted, and the flexibility and adaptability of the device are improved, so that the device can generate aerosol with specific particle size distribution under a high-pressure condition, thereby meeting the requirements of high-pressure testing; and the accuracy and reliability of experimental results are ensured.

The invention discloses a high-efficiency high-fire combustion system which is characterized by comprising a furnace end assembly, an injection pipe, a gas distribution ring, an air door plate, an air blowing box, an air blower and a valve body assembly, the air door hole extends towards the air inlet end of the injection pipe to form an air door ring wall; the outer wall of the part, extending into the blast cavity, of the gas nozzle and the annular wall of the air door form a blast air guide channel; the air blowing and guiding channel is arranged on the periphery of the gas nozzle in a surrounding mode. According to the invention, in a high-fire combustion state, the bypass air channel supplements additional high-fire gas to the high-fire gas supply cavity on the front side of the gas distribution ring through the high-fire gas supply cavity, meanwhile, the air blower is started, additional air is blown to the air blowing cavity through the air blowing box, and the additional air is forwards sent out through the air blowing and guiding channel; and a continuous, stable and high-speed'air curtain barrier 'is formed on the periphery of the outlet of the gas nozzle. The annular air curtain can resist external pressure fluctuation even if the blower operates at high power to generate strong wind.

The present invention discloses a fuel cell engine, which comprises a fixed frame. The fixed frame includes a first side fixing plate, a second side fixing plate, a third side fixing plate and a fourth side fixing plate; a fuel cell, which includes a housing, an electric stack, a distributor, and a first end cap and a second end cap that are opposite in the third direction; a hydrogen supply system, which is installed on the first side fixing plate; a cooling circulation system, which is installed on the first side fixing plate; an air supply system, which is installed on the third side fixing plate; and a power distribution device, which is installed on the second side fixing plate. The fuel cell engine according to the embodiment of the present invention has the advantages of high integration, compact structure, high volume power density, small volume, easy assembly, high strength, good seismic resistance, etc.

The invention discloses a circular flotation machine impeller stator assembly which comprises an impeller and a stator set and is characterized in that the stator set is connected with a flow guide plate and a stator support, and the flow guide plate is of an inverted conical annular structure and is formed by splicing two half flow guide plates; the impeller comprises a conical disc, the lower end of the conical disc is connected with evenly-distributed impeller blades, and a distributor is connected to a vent hole in the lower end of the conical disc and arranged in the impeller blades. The distributor comprises an upper straight cylinder part communicated with the vent hole and a lower spherical part, large exhaust holes are uniformly distributed in the circumference of the straight cylinder part, and small exhaust holes are uniformly distributed in the spherical part; the stator group consists of two half stators; the semi-stator comprises a semi-annular bottom plate, and the bottom plate is connected with blades which are evenly distributed. The flow guide plate can guide ore pulp to flow obliquely upwards, and the operation area is enlarged; the guide plates are fixedly connected with the stator blades, so that the structural strength is improved, toppling is effectively prevented, and the service life is prolonged; the dovetail joint connecting structure is easy to assemble and firm and reliable in connection.

The invention relates to a lubricating system, a control method of the lubricating system and a wind generating set. The first lubricating pipeline is used for lubricating the yaw bearing, the first lubricating pipeline comprises a first oil inlet pipe, a first distributor and a first oil outlet pipe, the first distributor is connected with the grease supply device through the first oil inlet pipe and comprises a plurality of oil conveying ports, and the multiple oil conveying ports output lubricating grease one by one according to a preset interval; the first oil outlet pipe comprises a first branch and a second branch, the first branch is connected with part of the oil conveying ports and conveys lubricating grease to the gear ring, the second branch comprises a plurality of second flow guide pipes, one end of each second flow guide pipe is correspondingly connected with one of the rest oil conveying ports, and the other end of each second flow guide pipe is communicated with the internal matching part. The lubricating system provided by the embodiment of the invention can reduce the cost and improve the reliability.

The utility model provides a gas-solid countercurrent fluidization heat exchange device. The gas-solid countercurrent fluidization heat exchange device comprises a barrel; a feeding pipe, a flow guide cone and a gas distributor are sequentially arranged in the barrel, the feeding pipe is used for conveying solid particles into the barrel, an upper conical surface is arranged at the upper end of the flow guide cone, a lower conical surface is arranged at the lower end of the flow guide cone, and the upper conical surface is used for enabling the solid particles input by the feeding pipe to disperse and slide downwards; a gas inlet pipe and a gas outlet pipe are arranged on the side wall of the barrel, the gas inlet pipe is used for conveying gas into the gas distributor, the gas distributor is used for guiding the gas to generate downward rotational flow motion, the lower conical surface is used for dispersing the returned gas flowing upwards to flow upwards, and the gas outlet pipe is used for conveying the gas subjected to heat exchange in the barrel to the next procedure; according to the device, gas and solid particles can be subjected to sufficient heat exchange, the heat exchange efficiency is greatly improved, meanwhile, countercurrent movement between the gas and the solid particles can be achieved, the gas flowing speed is increased, and the sectional area of the barrel is greatly reduced.

The invention relates to a small low-nitrogen combustor and a combustion method, the small low-nitrogen combustor comprises a head air inlet assembly, a combustion cylinder assembly and a connecting assembly, the head air inlet assembly comprises a primary air inlet pipe, a central air distributor module, an axial swirler, a radial swirler, a fuel pipe and a premixed gas pipeline; the primary air inlet pipe is arranged at the inlet end of the central air distributor module; the premixed gas pipeline is arranged at the outlet end of the central air distributor module in a sleeving manner, and the axial swirler is arranged between the premixed gas pipeline and the outlet end; the fuel pipe and the radial swirler are respectively arranged at other positions of the central air distributor module; the head air inlet assembly and the combustion cylinder assembly are connected together through the connecting assembly. The method is obvious in nitrogen reduction effect and high in flame stability. Nitric oxide at an outlet is reduced by controlling the air amount of premixed gas and the rotational flow angle in the combustor, and meanwhile, the flame stability of the combustion center can be guaranteed through the inner circulation area.

A fuel mixture distribution system for a turbine engine assembly includes a combustor that includes a wall that defines a combustion chamber, a fuel mixture distributor that includes an air conduit that defines a mixing chamber that extends through the wall along between an inlet to an exit opening to the combustion chamber, the air conduit shape is defined to achieve the desired mixing and prevent flashback at all operating conditions, and a fuel distributor extends into the mixing chamber at a location upstream of the exit opening. The fuel distributor includes a plurality of fuel openings where a fuel flow is communicated and mixed with an airflow passing through the mixing chamber.

The invention discloses an air-dividing dust controller, and relates to the technical field of underground dust removal. An air outlet is formed in the other end of the inner cylinder; air distribution holes are formed in the inner cylinder along the peripheral side; the outer cylinder sleeves the outer side of the inner cylinder and can move along the axis direction of the inner cylinder; air adjusting holes are formed in the peripheral side of the outer cylinder; the driving assembly is connected with the outer barrel and used for driving the outer barrel to move in the axis direction of the inner barrel so as to adjust the overlapping area of the air distribution holes and the air adjusting holes; when the overlapping area of the air distribution holes and the air adjusting holes is larger than zero, airflow exhausted through the air distribution holes and the air adjusting holes forms a dust blocking barrier on the outer side of the outer barrel. By arranging the movable outer cylinder and the air distributing holes and the air adjusting holes which are matched with the outer cylinder, the flow of discharged air is flexibly adjusted. According to the design, the air distribution effect can be adjusted according to actual needs, and the air distribution channels can be closed under specific conditions so as to adapt to different working environments and requirements.

The invention provides a wide-adjustment high-reliability electric propulsion system and a control method. The wide-adjustment high-reliability electric propulsion system comprises a pressure adjustment module, a flow adjustment module and a Hall thruster. The flow adjusting module is composed of an electromagnetic valve and a flow distributor. According to the Hall thruster flow distributor, through different previous series-parallel connection relations, on the premise that flow distributors are not added, the Hall thrusters can work in pairs, meanwhile, the backup number of the cathode flow distributor and the anode flow distributor is increased, and the system reliability is improved. By arranging the flow resistance step of the flow distributor, the large-range flow adjusting capacity of the cathode and anode inlets of the Hall thruster can be obtained, and therefore the large-range variable thrust working mode, the cathode large-flow ignition mode and the anode low-flow starting mode of the Hall thruster are achieved.

The invention discloses an integrated engine device with one cylindrical main rotating shaft connected in series, and relates to the field of internal combustion engines of internal combustion engine technology types. In order to solve the technical problems that an existing engine is high in vibration strength, low in energy conversion rate and complex in structure, the stable and energy-saving engine which is stable in vibration degree, simple in structure and high in energy conversion rate compared with the prior art is provided. The invention relates to a high-temperature high-pressure expansion gas burner, which is provided with a gas distributor, a gas pushing burner, a cylindrical main rotating shaft, an acting cylinder, a compression cylinder, an auxiliary cylinder and accessories thereof, and is characterized in that all cylinders and the accessories mounted inside and outside the cylinders are connected in series and mounted into a whole through the cylindrical main rotating shaft, so that fuel and compressed air explode and burn in a combustion chamber to generate high-temperature high-pressure expansion gas; the high-temperature and high-pressure expansion gas is converted into mechanical power, and the engine has the advantages of being stable and capable of saving energy.

The invention discloses fuel nozzle detection equipment for an aero-engine, and relates to the technical field of fuel nozzle detection, and the fuel nozzle detection equipment comprises a detection equipment body, the left and right sides of the upper part of the detection equipment body are both provided with supporting plates, and the lower part of a top plate is provided with a fuel separator assembly through a first electric telescopic rod. A circulating water pump is mounted on the right side of the right supporting plate; and a connecting plate is mounted between the supporting plates. The fuel nozzle detection equipment for the aero-engine is provided with the metering cylinder, after the sealing performance of a fuel nozzle is detected, the baffle can be driven to rotate through the damping rotating piece, the baffle can be rotated more easily by pressing down an anti-skid block, a through hole covered by the baffle is leaked out, and the sealing performance of the fuel nozzle is improved. Liquid in the fuel nozzle can fall into the metering cylinder through the through hole, the flow of the fuel nozzle is detected through the metering cylinder, and therefore the sealing performance and the flow of the fuel nozzle can be detected.

The utility model discloses a fire distributor, a burner and a gas stove. The fire distributor comprises a fire distributing base and a flow distributing piece, an outer ring fire distributing groove and an inner ring fire distributing groove are formed in the upper side of the fire distributing base, the inner ring fire distributing groove is located on the inner side of the outer ring fire distributing groove, an outer ring air inlet hole is formed in the bottom of the left end of the outer ring fire distributing groove, and an inner ring air inlet hole is formed in the bottom of the inner ring fire distributing groove; the groove bottom of the outer ring fire distribution groove is obliquely and upwards arranged from the left end of the outer ring fire distribution groove to the right end of the outer ring fire distribution groove in an extending mode, and the flow dividing piece is arranged on the upper portion of the outer ring fire distribution groove and located above the outer ring air inlet hole. According to the distributor provided by the utility model, the outer ring gas inlet holes are independently formed in the outer ring fire distribution groove, the inner ring gas inlet holes are independently formed in the inner ring fire distribution groove, a flow distribution gas channel does not need to be arranged on the distributor, the material consumption of the distributor is reduced, the cost is further reduced, and outer ring flames have better stability and uniformity.

The utility model discloses an exhaust distribution piece, a compressor, a heat management device, a heat management system and a vehicle, the exhaust distribution piece is provided with an exhaust flow channel, a first mounting cavity, a first bypass flow channel, a second mounting cavity, a second bypass flow channel, an exhaust port and an air suction port, the exhaust flow channel is communicated with the first mounting cavity, and the first bypass flow channel is communicated with the second mounting cavity; the first bypass flow channel is communicated with the first mounting cavity and the second mounting cavity, the second bypass flow channel is communicated with the second mounting cavity, the exhaust port is communicated with the first mounting cavity, and the air suction port is communicated with the second bypass flow channel. According to the exhaust distribution part of the compressor, the size of the pipeline is reduced, so that the quantity of refrigerants is reduced, the safety risk caused by leakage of the refrigerants is reduced, and the stability and the safety of a heat management device are improved.

The invention relates to an unmanned aerial vehicle attitude control method based on motor state disturbance compensation, belongs to the technical field of unmanned aerial vehicle control, and solves the problems of hysteresis and limited control effect of an existing unmanned aerial vehicle attitude control method. The position controller calculates to obtain expected tension, a roll angle and a pitch angle; the attitude feedback controller calculates a feedback torque according to the expected attitude, the actual Euler angle and the body angular velocity; the load identification module calculates an estimated disturbance torque based on the target rotating speed, the actual rotating speed and the current of each motor; the feedforward neural network module adopts a trained RBF neural network to calculate torque residual error estimation, and torque synthesis is carried out to obtain a torque feedforward compensation amount; adding the feedback torque and the feed-forward compensation amount to obtain a total control torque; and the mixing controller calculates the target rotating speed of each motor according to the expected tension and the total control torque, and finally the control distributor drives the motors to execute. The attitude stability and the control response speed of the unmanned aerial vehicle in the wind disturbance environment are remarkably improved.

The invention discloses a low-temperature plasma reaction device and a reaction method thereof, and relates to the technical field of fluidized bed reactors, the low-temperature plasma reaction device comprises an outer shell, the bottom of the outer shell is provided with a gas inlet, the top of the outer shell is provided with a gas outlet, the side wall of the outer shell is provided with a feed port and a control device, and the outer shell is internally provided with a gas distributor; the gas distributor is provided with a plurality of gas distribution holes, the discharge end of the feed port is located above the gas distributor, catalysts can be stacked on the upper surface of the gas distributor, the gas distributor is provided with a rotating motor, the output end of the rotating motor is connected with a cleaning brush, and the rotating motor is used for driving the cleaning brush to rotate. The cleaning brush can clean the upper surface of the gas distributor, a plasma generating device is further installed in the outer shell, and the rotating motor and the plasma generating device are both electrically connected with the control device. The cleaning brush is arranged, and the rotating motor drives the cleaning brush to rotate, so that agglomerated particles can be fully stirred, and the agglomeration problem is reduced.

The present invention relates to an air damper (20) for an air-conducting housing (11), as well as to an air-conducting housing (11) and an air distributor (10) having such an air damper (20). The air damper (20) according to the invention comprises a first air guide surface (21A) and a second air guide surface (21B), which are oriented in opposite directions, and a pivoting device (23) by means of which the air damper (20), when installed as intended in an air-conducting housing (11), can be brought into at least a first pivot position (27A) and a second pivot position (27B) altered by a pivot angle. The air damper (20) according to the invention is characterized in that an intermediate space (24) is provided between the first air guide surface (21A) and the second air guide surface (21B), which intermediate space has a hollow volume (25), and the first air guide surface (21A) comprises a sound-absorbing partial region (26) which covers the hollow volume (25).

An oil distributor is provided for a bearing chamber. The oil distributor includes an outer annular manifold, which is integrally formed with an interior surface of the bearing chamber and which defines a first interior cavity receptive of pressurized oil which defines a first interior cavity receptive of pressurized oil, an inner annular manifold, which defines a second interior cavity and comprises an interior facing surface defining holes respectively communicative with the second interior cavity and one or more support struts by which the inner annular manifold is supported within the outer annular manifold. Each of the one or more support struts defines interior lines by which the pressurized oil flows from the first interior cavity to the second interior cavity and to the holes.

The invention relates to the field of intelligent control, and particularly discloses a brushless motor control circuit for a high-temperature double-control water distributor, which comprises an MCU (Microprogrammed Control Unit) control circuit, a gate drive circuit, a current detection circuit, a three-phase H-bridge circuit and a high-temperature direct-current brushless motor, wherein the current detection circuit is electrically connected to the three-phase H-bridge circuit to collect real-time current and input the real-time current to the MCU control circuit, and the MCU control circuit judges the position of a rotor based on the real-time current and outputs a PWM control signal based on the position of the rotor; wherein the PWM control signal output by the MCU control circuit drives the high-temperature direct-current brushless motor through the gate drive circuit and the three-phase H-bridge circuit.

The utility model discloses an adjustable curved-surface multi-roller distributing device, which belongs to the technical field of multi-roller distributing devices and comprises a base, a movable base is arranged on the side wall of the base, sliding grooves are formed in the upper surfaces of the base and the movable base, and limiting grooves are formed in the inner walls of the top surfaces of the base and the movable base; according to the device, the supporting plate is arranged, the driving motor drives the supporting plate and the supporting blocks on the two sides to move on the sliding grooves in the base, the supporting blocks drive the screw rods to synchronously move, the screw rods on the supporting blocks are rotated, and the screw rods synchronously rotate on the limiting blocks through threads; furthermore, the driving motor is fixed on the base through the supporting plate under the cooperation of the supporting block and the limiting block, when the roller gap can be finely adjusted according to specific conditions, the maintenance and debugging of the equipment are easier, and the roller gap can be randomly adjusted, so that the machine can adapt to various production tasks; and the application range and the production flexibility of the equipment are increased.