2410 results about "Power apparatus" patented technology

The invention relates to the technical field of hydrogen energy aviation, and discloses a hydrogen energy aviation fuel storage-supply system and method based on solid hydrogen storage, and the hydrogen energy aviation fuel storage-supply system and method based on solid hydrogen storage are characterized in that the hydrogen release amount adjusting range of a hydrogen storage material is matched with the hydrogen fuel demand adjusting range of a power device by adjusting the hydrogen release catalytic reaction environment temperature of the solid hydrogen storage material; by adopting the pressure stabilizing device, the problem of flow and pressure fluctuation caused by hysteresis of hydrogen release adjustment is solved, and hydrogen release flow adjustment and engine throttling control can be carried out through the thrust rod.

The invention discloses a power device for posture adjustment and butt joint of large-size composite components, and particularly relates to the technical field of aircraft production, the power device comprises an adjustment driving assembly and an adsorption fixing assembly, the adsorption fixing assembly is installed at the output end of the adjustment driving assembly, the adsorption fixing assembly comprises a grabbing frame and a suction cup base, and the suction cup base is installed on the grabbing frame; a flexible adsorption ring is installed at the bottom of the suction cup base, a vacuum adsorption space is formed between the flexible adsorption ring and the suction cup base, and a back supporting positioning column is further installed in the suction cup base in a sliding mode and installed at the output end of the pushing driver. According to the invention, downward reverse support is formed on the surface of the component by means of the reverse support positioning column, so that the component cannot extrude the flexible adsorption ring due to motion inertia under the support of the reverse support positioning column in the process of adjusting the posture of the component, and the component is not easy to generate micro vibration; and therefore, the stability and the safety of adjusting the part are improved.

An apparatus for an aircraft powerplant includes an impeller rotor and a seal runner. The impeller rotor includes a plurality of fluid circuits. Each of the fluid circuits includes a first outlet passage, a second outlet passage and an inlet passage fluidly coupled to the first outlet passage and the second outlet passage in parallel. The seal runner includes a bore, an inner guide surface and an outer land surface. The seal runner extends circumferentially about the axis and radially between the inner guide surface and the outer land surface. The bore is fluidly coupled to the first outlet passage of each fluid circuit. The inner guide surface forms a radial outer peripheral boundary of the bore. The inner guide surface radially diverges away from the axis as the inner guide surface extends axially away from the impeller rotor and to a distal end of the seal runner.

The invention relates to an electric engine, a power device and an aircraft, and belongs to the technical field of aircraft power equipment.The electric engine comprises a power motor and a liquid cooling flow path arranged in the power motor and comprises a stator support; the heat dissipation system comprises a fan, a radiator and a heat dissipation motor, an outlet of the radiator is connected with an inlet of the liquid cooling flow path, an inlet of the radiator is communicated with an outlet of the liquid cooling flow path, and the fan is used for cooling the radiator and / or the power motor; the motor rear cover is fixedly connected with the stator bracket; and the two direct-current converters are both mounted on the motor rear cover and are both electrically connected with the heat dissipation motor. The two direct-current converters convert high-voltage direct current accessed by the electric engine into low-voltage direct current capable of being used by the heat dissipation motor, and the electricity utilization requirement of the heat dissipation motor is met. Due to the redundancy design of the two direct-current converters, when one path of low-voltage power supply breaks down, the other path of low-voltage power supply can still supply power to the heat dissipation motor in a low-voltage mode, and enough fault handling time can be provided for the whole power supply system.

The application discloses an integrated intelligent grouting system, which comprises a container body, a power device, a pulp preparation device, a grouting device, a monitoring sensor device, a control analysis device and a display processing device arranged in the container body, wherein the power device is electrically connected with the pulp preparation device, the grouting device, the monitoring sensor device, the control analysis device and the display processing device; the pulp preparation device is used for preparing grouting liquid; the pulp preparation device is connected with the grouting device through a pipeline to convey the prepared grouting liquid to the grouting device; the monitoring sensor device is communicatively connected with the control analysis device and is arranged at the pulp preparation device and the grouting device; the monitoring sensor device is used for receiving a control signal sent by the control analysis device, monitoring pulp preparation data of the pulp preparation device and grouting parameter data of the grouting device in real time, and transmitting the pulp preparation data and the grouting parameter data to the control analysis device in real time; and the display processing device is communicatively connected with the control analysis device to display data information of the control analysis device.

The invention relates to a foldable tilting four-rotor aircraft concept scheme design method based on task requirements. According to the method, task demand indexes such as voyage, cruising speed, task load, cruising height and hovering height are used as input, and the total design weight, power device parameters, rotor wing geometric parameters and fuselage and wing parameters of the aircraft are determined in sequence; and performance indexes such as hovering lift limit, level flight speed, climbing performance, practical lift limit, voyage and endurance in a helicopter mode and a fixed wing mode are calculated and analyzed respectively. And performing matching judgment on a performance calculation result and a task requirement, and performing iterative adjustment on key parameters such as a paddle disc load when the task requirement is not met, so as to form a closed-loop concept design process driven by the task requirement. According to the method, the vertical take-off and landing capacity and the fixed wing cruising performance can be systematically considered in the conceptual design stage, and systematicness, repeatability and engineering feasibility of scheme design of the folding type tilting four-rotor aircraft are improved.

The invention relates to an electric propulsion heat dissipation system, a power device and an aircraft, and relates to the technical field of aircrafts. The electric propulsion cooling system comprises propellers, arms, power motors and radiators, the electric propulsion cooling system is fixedly connected to an aircraft body structure of the aircraft through the arms, the propellers are arranged at the output ends of the power motors, and the power motors are installed on the arms and can drive the propellers to rotate around the axes of the power motors. The radiator dissipates heat of the power motor through cooling liquid circulation, the vehicle arms are provided with heat dissipation grooves and air outlets, the radiator is installed in the heat dissipation grooves, and orthographic projections of blades of the propeller on the corresponding surfaces of the vehicle arms at least partially cover the radiator, so that airflow generated by the propeller can penetrate through the radiator and then enter the external space through the air outlets. According to the electric propulsion heat dissipation system, the power device and the aircraft, the problem that the lightweight design of the aircraft is affected due to the fact that a current cooling system is large in size and weight is solved.

The electric riding device includes: a frame body, a front wheel, a rear wheel, a handlebar assembly, a seat, a power device. Wherein the frame body includes a substantially flat base portion, a front raised portion extending upwardly from a front end of the base portion, and a rear raised portion extending upwardly from a rear end of the base portion.

The invention relates to high-speed intelligent power pay-off equipment, which belongs to the technical field of cable manufacturing, and comprises a rack, a protective cover, a tension detection device, a wire coil allowance detection device, a power device, a clamping device, a lifting device and a control module, the rack is of an integral rigid structure and forms an installation foundation of the equipment, the protective cover is installed on the rack to form a safety protection space, and the tension detection device is connected with the power device. The tension detection device is arranged in the rack and used for detecting the tension of a cable in real time and outputting a first signal, and the wire coil allowance detection device is arranged on the rack and used for detecting the winding radius or allowance of a wire coil in real time and outputting a second signal. In the invention, through a double-signal fusion intelligent control strategy of tension closed-loop feedback and allowance change feedforward, and in cooperation with a high-rigidity rack, a lateral jacking clamping subsystem and an automatic lubricating subsystem, the problems of large tension fluctuation, unstable speed, poor universality and high maintenance cost of traditional pay-off equipment are fundamentally solved; and high-speed, high-precision and high-stability intelligent paying-off is realized.

The embodiment of the application belongs to the technical field of medical instrument equipment, and relates to a trailing end of an interventional robot, which is used for delivering an elongated medical instrument, the elongated medical instrument comprising a guide wire and at least two catheters, the latter catheter being at least partially arranged in the former catheter, and the guide wire being partially arranged in the latter catheter; wherein the trailing end of the interventional robot comprises a driving device, a power device, a sensing device and a control device, the driving device, the power device and the sensing device are connected with the control device, and in an initial state, any catheter is clamped on two adjacent driving devices in a curved state. The technical scheme provided by the application can shorten the distance between adjacent driving devices through the curved arrangement of the catheter, reduce the overall size of the equipment, reduce the product cost, and be beneficial to product installation.

An assembly is provided for an aircraft powerplant. This assembly includes an electric machine, an electric machine controller, an electric cable, a conduit and an air circuit. The electric machine controller is configured to control operation of the electric machine. The electric cable electrically couples the electric machine controller to the electric machine. The conduit extends longitudinally from a first end of the conduit to a second end of the conduit. The electric cable extends longitudinally through a bore of the conduit. The air circuit is configured to cool the electric cable within the conduit using a flow of air. The air circuit includes the bore of the conduit.

The invention relates to electronic tray packaging equipment and a packaging process method thereof. The packaging equipment comprises a base material supply assembly, an adhesive tape supply assembly, a material pulling assembly, a base material cutting mechanism, an adhesive tape cutting mechanism, a material taking manipulator, a power device, a material head positioning device and a process transfer mechanism which are integrally mounted on a mounting base plate. According to the packaging equipment, the stability and consistency of the tray packaging quality are improved, all the assemblies are integrated on the mounting base plate, an integrated automatic packaging line is constructed, all the modules are compact and reasonable in arrangement and small in occupied space, the length of a production line can be expanded easily, and the batch automatic production requirement can be met by combining the arrangement of a tray feeding line and a tray discharging line; according to the technological process, continuous packaging steps precisely matched with equipment are designed, the continuous packaging steps comprise the steps of winding and filling of a filling material belt, fixing of the filling material belt through an adhesive tape, transferring of a material disc to a supporting material belt winding station, winding and wrapping of the supporting material belt, fixing of the supporting material belt through the adhesive tape and discharging of a packaged finished product, and industrial application and popularization are facilitated.

An air-moving device may include an aerodynamic rotor in the form of a bladed disk. The aerodynamic rotor may include a physical geometry that constrains a noise level of the air-moving device.

The invention relates to the technical field of external thread three-way connectors and discloses an anti-blocking external thread three-way connector which comprises a three-way pipe body, a water inlet connector, a first water outlet connector and a second water outlet connector, the water inlet connector is fixedly connected with the surface of the three-way pipe body, the first water outlet connector is fixedly connected with the surface of the three-way pipe body, and the second water outlet connector is fixedly connected with the surface of the three-way pipe body. The second water outlet connector is fixedly connected with the upper surface of the three-way pipe body, and an auxiliary device is arranged on the lower surface of the three-way pipe body. The auxiliary device comprises a guide sleeve, the guide sleeve is fixedly connected with the surface of a three-way pipe body, and the lower surface of the three-way pipe body is fixedly connected with an inflator pump. According to the three-way connector, the auxiliary device and the power device are arranged, a water source entering the three-way pipe body is filtered, meanwhile, the water source can serve as power, a structure for filtering the water source is cleaned, self-cleaning of the filtering structure is achieved during filtering, and therefore the service life of the filtering structure is prolonged, and the blocking probability of the three-way connector is reduced.

An aircraft power plant, has: an air mover for propelling an aircraft; an electric motor drivingly engaged with the air mover; a gas turbine engine having a compressor for pressurizing air, a combustor in which the pressurised air is mixed with fuel and ignited for generating combustion gases, and a turbine for extracting energy from the combustion gases; and a hydrogen fuel cell operatively connected to the electric motor for powering the electric motor with electricity generated by the hydrogen fuel cell, the hydrogen fuel cell operable to generate electricity using the air from the compressor and hydrogen from a source of hydrogen.

The utility model relates to the field of tightening and locking, in particular to a tightening tool internally provided with two groups of torque sensors and a verification-free method, the tightening tool further comprises a dynamic torque sensor and a static torque sensor, a power device is arranged on the static torque sensor, and counter-acting force provided by an external source is transmitted to the power device through the static torque sensor. The power device provides torsion for the output end through the dynamic torque sensor; in order to solve the problem that the torsion is abnormal but not known, a novel detection mode is used, the detection mode is that more than two torque sensors are utilized to respectively measure the torque on the power device and the torque on the output end, and then the two torque values are compared, so that the torque on the power device and the torque on the output end are detected. If the torque is outside the threshold value range, the problem that the torque accuracy is reduced exists on the power device or the output end, and according to the mode, the effect of real-time monitoring is achieved, and therefore the problem that the torque is abnormal and not known is solved.

This invention discloses a power cord anti-pull mechanism and an industrial six-axis robot, belonging to the field of industrial robot technology. The power cord anti-pull mechanism is applied to equipment requiring electrical power for operation. It includes a power cord, a power supply box, and an anti-pull device. One end of the power cord is equipped with a power plug, and the other end is used to connect to the equipment requiring electrical power. A power socket is provided on one side of the power supply box, into which the power plug can be inserted to connect to the power supply. The anti-pull device is disposed on the power supply box and includes a fastening device and a power device. The fastening device is used to secure the power plug after it is inserted into the power socket, preventing pulling between the power cord and the power socket. The power device provides power to the fastening device to secure the power plug. The power cord anti-pull mechanism can prevent problems such as poor contact or disconnection between the power cord and the power supply box during the operation of the industrial six-axis robot.

The utility model firstly provides a film tank for collecting urine. The film tank comprises a film roll formed by rolling a thin film and a forming mechanism; the forming mechanism comprises a film releasing bin, a film collecting bin, a power device and a forming device, the film releasing bin and the film collecting bin are arranged at intervals, the power device is arranged in the film collecting bin, the film roll is arranged in the film releasing bin, and the end of a film in the film roll is connected to the power device; the forming device comprises a base body, the base body is arranged on one side of the thin film, a first extending section extending towards the other side of the thin film is arranged on the base body, and the tail end of the first extending section is located above the base body in an inclined mode. And under the action of the film releasing bin, the film collecting bin and the first extension section, the film forms a film groove. The utility model further provides a forming mechanism which is used for the film groove. The utility model further provides a forming device used for the forming device. The device has the beneficial effects that the device is simple and convenient to use, hands of a sampler are liberated, the experience of the sampler is improved, and the reliability is high.

The utility model relates to the technical field of food processing equipment manufacturing, in particular to a stick supply system and vegetarian food skewer forming equipment comprising the same, and the stick supply system is formed by combining a stick storage device and a stick pushing machine. The stick storage device comprises a base and a stock bin. The stock bin is located on the base, and a blanking cavity which is opposite to the vegetarian roll cutting and unfolding machine and only allows a single stick to pass within the same time period is formed in the stock bin in an attached mode. The prods fall into the blanking cavity due to the action of gravity, and subsequently execute translational motion due to the action of pushing force from the prod pushing machine, and the prods go out of the blanking cavity until the prods are immersed into the vegetarian roll cutting and unfolding machine. Thus, on one hand, accurate stick supply operation is achieved, and the problem that a plurality of sticks enter at the same time or the postures of the sticks are deflected can be avoided; on the other hand, no extra power device is needed to drive the prods to fall, and orderly supply of the prods is facilitated; and on the other hand, in the stick supply process, stick clamping, stick breaking and other faults are not prone to occurring.

The invention discloses a power device blade three-dimensional measurement method, device and equipment based on mean camber line constraint, and a medium, and the method comprises the steps: carrying out the part segmentation of the blade section point cloud of a target blade model point cloud and a standard blade model point cloud of a to-be-measured power device blade, and extracting a mean camber line point cloud based on a blade basin point cloud and a blade back point cloud, constructing an adaptive weight error function based on the front and rear edge part point clouds and the mean camber line point clouds of the target blade model point clouds and the standard blade model point clouds, and performing pose conversion on the target blade model point clouds based on a transformation matrix solved by the adaptive weight error function, calculating the three-dimensional measurement precision based on the point cloud of the target blade model after pose conversion and the point cloud of the standard blade model, segmenting the key part of the blade, using a mean camber line to counteract the error generated by the point cloud of the whole blade in registration, and accurately calculating the error of the blade of the power device to be measured. And the registration precision of three-dimensional measurement of the power device blade is improved.

The invention discloses an intelligent safety monitoring waistcoat based on multi-sensor fusion and a control method, and relates to the technical field of wearable equipment. A human body infrared spectrum is detected through a human body pyroelectric inductive sensor, and whether the intelligent safety monitoring waistcoat is worn or not is judged; if it is judged that the intelligent safety monitoring waistcoat is worn, a safety data collection program is started, and safety data are collected in real time; the fusion module is used for fusing real-time collected security data; transmitting the fused security data to a microcontroller for processing; comparing with a preset threshold value to judge whether an abnormal condition exists or not; if the comparison result is that the abnormal condition exists, judging whether the abnormal condition is a dangerous state or not; if the judgment result is a dangerous state, the microcontroller sends a protection instruction to the airbag protection equipment; the driving controller starts the air source power device, inflates the air source power device, and sends alarm information at the same time. According to the invention, through a wearable trigger mechanism, multi-source data fusion analysis and hierarchical protection response, the accident risk is effectively reduced.

The utility model discloses a portable water purifier. The portable water purifier comprises a filtering unit and a power device, wherein the filtering unit comprises a raw water inlet and a purified water outlet; the power device comprises a shell and at least one piston movably arranged in the shell, two pressure cavities are defined by the piston and the shell, each pressure cavity is correspondingly provided with a raw water inlet and a raw water outlet, the raw water outlet is communicated with the raw water inlet, and the piston moves back and forth in the shell to enable each pressure cavity to be switched between a negative pressure state and a positive pressure state; and in the back-and-forth movement process of the piston, one of the two pressure cavities is in a negative pressure state, and the other pressure cavity is correspondingly in a positive pressure state. According to the portable water purifier provided by the invention, in the back-and-forth movement process of the piston, the two pressure cavities alternately convey raw water to the filtering unit, so that the filtering unit can continuously discharge water, the problem of discontinuous water discharge is solved, the water discharge flow is favorably increased, the water discharge amount in unit time is large, and the operation is more time-saving and labor-saving.

An aircraft system is provided that includes a propulsor rotor, an electric machine and a gas turbine engine. The electric machine is operatively coupled to and configured to drive rotation of the propulsor rotor. The gas turbine engine is operatively coupled to and configured to drive rotation of the propulsor rotor. The gas turbine engine includes a compressor section, a combustor section, a turbine section, an exhaust duct and a flowpath extending through the compressor section, the combustor section, the turbine section and the exhaust duct. The exhaust duct extends longitudinally along the electric machine. The exhaust duct extends partially circumferentially about the electric machine between opposing circumferential sides of the exhaust duct.

The invention discloses a thrust rod elastic clamping structure for a rocket power device and a thrust rod. The thrust rod elastic clamping structure aims at solving the technical problems that according to traditional thread or flange connection, the machining precision requirement is high, installation is tedious, the negative mass is large, and storage deformation cannot be compensated. The structure comprises at least one axial clamping assembly and at least one circumferential clamping assembly which are arranged at the end of the thrust rod. The axial clamping assembly is matched with the first locked part through the first locking part and used for achieving axial connection of the structure and bearing main thrust. The circumferential clamping assembly is matched with the second locked part through the second locking part, so that circumferential locking of the structure is achieved, and torsion is resisted. The two assemblies are spatially arranged in parallel and functionally decoupled to jointly form a composite connection interface. By means of elastic clamping connection, rapid disassembly and assembly, automatic centering, vibration buffering and circumferential reliable locking between the thrust rod and the combustion chamber shell are achieved, and the position final assembly efficiency and the connection reliability are remarkably improved.

The invention relates to the technical field of underground water monitoring, and discloses a shallow underground water burial depth monitoring and sampling device. The monitoring and sampling device comprises a drilling unit, a monitoring unit, a sampling unit and a control unit. A hollow cavity is formed in the drilling unit, the sampling unit comprises a pressure reduction system, a check valve and a sampling guide pipe with a control valve, and the pressure reduction system comprises a power device, a closed piston driven by the power device and a reset element. The control unit is electrically connected with the sensor and the pressure reduction system. According to the invention, drilling, monitoring, sampling and control are integrated, the full-flow automatic closed-loop operation of water level monitoring and water sample collection is realized, the problems of separation, complexity, easy pollution and water body disturbance in the traditional method are solved, and the field monitoring and sampling efficiency and data reliability are improved.

An aircraft propulsion system includes a hybrid-electric power plant for delivering power to an air mover for propelling an aircraft. The hybrid-electric power plant includes a heat engine operatively connected to a first air mover, and an electric motor operatively connected to a second air mover. The second air mover is positioned on a wing of the aircraft outboard from the heat engine. A method for reducing trailing vortices includes powering a first air mover of an aircraft with a heat engine during a take-off stage, a climb stage, a cruise-stage and / or a descent stage. The method includes powering a second air mover of the aircraft with an electrical motor during the take-off stage and / or the climb stage. The method includes freewheeling the second air mover during the cruise stage and / or the descent stage to generate mechanical energy and reduce wing tip vortices.

The invention relates to an electric propulsion heat dissipation system, a power device and an aircraft, and relates to the technical field of aircrafts. The electric propulsion heat dissipation system comprises a propeller, a machine arm and an electric engine, the machine arm is fixedly connected to a machine body structure of the aircraft, the propeller is arranged at the output end of the electric engine, the machine arm is provided with an assembling space, and the electric engine is installed in the assembling space and can drive the propeller to rotate around the axis of the electric engine; a flow inlet is formed in the surface of the side, facing the propeller, of the vehicle arm, airflow generated when the propeller rotates can at least partially cover the flow inlet, a flow outlet is formed in the surface of the side, deviating from the propeller, of the vehicle arm, and the airflow can flow through the electric engine arranged in the assembling space through the flow inlet and enter the external space through the flow outlet. According to the electric propulsion heat dissipation system, the power device and the aircraft provided by the invention, the problem that the heat dissipation capability of the electric propulsion heat dissipation system is poor under the flight working conditions of hovering or vertical take-off and landing and the like of the existing aircraft is solved.

The invention belongs to the technical field of electromechanical installation, and particularly relates to a multidirectional lifting device suitable for building electromechanical installation. The bottom of a transfer frame is rotationally connected with a support, the inner wall of the support is rotationally connected with a rolling rod, and the top of the transfer frame is provided with a transfer part; the surface of the stabilizing plate is fixedly connected with the inner wall of the transferring frame, the inner wall of the transferring frame is fixedly connected with a supporting plate, the end of the transferring frame is fixedly connected with a power device, the output end of the power device is fixedly connected with a threaded rod, and the bottom of the inner wall of the transferring frame is slidably connected with a moving block; the inner wall of the adjusting frame is fixedly connected with a driving device, the output end of the driving device is fixedly connected with a screw rod, the top of the inner wall of the conveying frame is fixedly connected with an extrusion plate, the top of the conveying frame is provided with a lifting component, and the surface of the lifting component is provided with a stabilizing component. According to the device, workers do not need to support the equipment, the electromechanical equipment is stably transferred in a suspended state, and potential safety hazards are avoided.

The utility model provides an oil-electricity hybrid unmanned aerial vehicle, and relates to the technical field of unmanned aerial vehicles, the oil-electricity hybrid unmanned aerial vehicle comprises a supporting mechanism, an oil supply device, a power generation device, a rectifying device and a flight power device, the oil supply device, the power generation device, the rectifying device and the flight power device are all arranged on the supporting mechanism; the oil supply device is connected with the power generation device through an oil way, and the power generation device is electrically connected with the flight power device through the rectifying device. The oil supply device, the power generation device, the rectifying device and the flight power device are matched with one another, flight is achieved in an oil-electricity hybrid mode, and compared with an existing ternary power battery driving mode, the power is sufficient, and the super-long duration and the super-long operation distance are achieved.

The utility model relates to the technical field of water-based paint production and processing, in particular to a water-based environment-friendly art paint integrated preparation device which comprises a motor, a feeding cover, an upper cylinder, a primary mixing mechanism, a grinding and filtering mechanism, a second stirring mechanism and a lower cylinder. The feeding cover comprises a first round hole, a first liquid conveying hole, a first feeding square hole, a second feeding square hole and a third feeding square hole, the first round hole is located in the middle of a feeding cover body and connected with a motor shaft of the motor through a bearing, the first liquid conveying hole is located in one side of the first round hole, the first feeding square hole is located in one side of the first round hole, and the second feeding square hole is located in one side of the first feeding square hole. According to the utility model, the whole process of preparing artistic paint can be realized in the same equipment, the production process is greatly simplified, the consumption of manpower and material resources is reduced, the preparation efficiency is improved, the stirring and grinding functions are realized only by one power device, and the energy consumption is saved.