79results about How to "Less parts" patented technology

A double-shaft high-low cycle complex fatigue tester comprises a hydraulic fatigue tester, an upper clamping head, a lower clamping head, an electromagnetic vibration exciter, a sample, a fixture, and a locating connecting device. The electromagnetic vibration exciter is connected with a middle clamping block 2 in the fixture via a cylindrical connector, a connecting rod and a U-shaped connector in a positioning connecting device; the middle clamping block 2 and a middle clamping block 1 are used for clamping a square mass boss at the middle part of the sample via a connecting piece, and the two ends of the sample are connected with a plywood in the fixture via the connecting piece; the plywood is connected with the connector in the fixture via bolts in the connecting piece; and the vertical ends of the connector are placed in the grooves of the upper clamping head and the lower clamping head of the hydraulic fatigue tester, contacted with the hydraulic fatigue tester, and clamped tightly via the hydraulic pressure of the tester. The tester is simple in structure and convenient to operate, solves the problems of load interference and load coordination in the vertical direction and the horizontal direction during bidirectional loading aiming at the plate-shaped sample, and can be used for simulating fatigue load borne by the blades of the rotor of a gas turbine engine.

The invention discloses a switching structure of flower sprinkling outflow, mainly comprising flower sprinkling body and face covering with blowholes. Several counterbores are distributed on the internal face of face covering and at least a tangential groove is formed at the outer edge of counterbore to be connected with a blowhole. A water division plate is contacted with the inner face of face covering actively and several water outflow borescorresponding to counterbores and blowholes respectively are distributed on the water diversion plate. When the face covering is set in different position with the water diversion plate, water outflow bores on the water diversion plate are communicated with counterbores or blowholes. As the invention makes use of the same water outflow path of flower sprinkling and it passes through the same water outflow bore on the face covering, the change of water outflow with multiple functions can be realized. According to the combination of bore group of water outflow bores on the water diversion plate and counterbores and blowholes on the face covering, different changes are formed.

This invention relates to a DC motor servo driver having a feed back unit set at the output of the motor and used in testing the rotation speed and armature current, a master control unit storing the preset expected value for its rotation speed, its torque and its position and an execution unit controlled by the output signal of the master control unit and applied to its input. Said control can increase the response velocity of the system and realize total control to the position, velocity and its torque, so that the controlled motor can output the expected values of them.

The invention discloses a packaging structure and a packaging method for a fingerprint identification module. The packaging method comprises the following steps: forming a wire re-arrangement graph on a protection layer; attaching a fingerprint identification chip below the protection layer by a chip inversion technology, wherein the fingerprint identification chip is electrically connected with the wire re-arrangement graph; implanting an electric connection liner into the wire re-arrangement graph; welding a substrate with the electric connection liner to enable the substrate to be electrically connected with the fingerprint identification chip; assembling a metal bracket on the substrate and the protection layer, wherein the metal bracket is electrically connected with the substrate and is provided with a through hole; the through hole corresponds to an induction region of the fingerprint identification chip and is used for exposing part of the protection layer. According to the packaging method, a distance between the contact surface of a fingerprint and the induction region of the fingerprint identification chip is reduced, and the identification efficiency is improved; furthermore, no welding wire is needed; the stress resistance of electric connection of the fingerprint identification module is improved.

The invention discloses a setting structure of an elevator car air-conditioner. In the invention, an air-conditioner host is arranged on the car top, an inlet and an outlet are arranged on the car top respectively at both sides of the air-conditioner host and are used for inputting air to the air-conditioner host or sending the air processed by the air-conditioner host into an elevator car. Compared with a background art, because of few parts and short connecting pipelines, the setting structure of the elevator car air-conditioner is convenient to install; in the setting structure of the elevator car air-conditioner, the air on one side surface of the ceiling is sent to the inlet of the car top through a guide duct and is send out of the other opposite side surface of the ceiling through the outlet and the guide duct after being processed by the air-conditioner host, thereby forming air flowing circulation at the opposite sides in the elevator car; and the air gets in and out of the side surfaces of the internal of the elevator car, therefore, the discomfort to a human body can not be caused by the air flow, and the comfort of a passenger taking the car can be enhanced.

This invention discloses a combined oxygen-increasing machine for aquaculture. In this machine, a motor is used to drive a high-pressure air machine, whose air outlet pipe is connected with a gas-storage bag. Air-bleeding pipes distributed on the air-storage bag are extended into a water body of a certain depth, and microporous air-exhaust pipes are connected with the ends of the air-bleeding pipes. The main axis of the high-pressure air machine is decelerated through a planet gear decelerator and an umbrella gear decelerator, and the output axis drives the slurry impeller. All the parts are installed on a frame, which is fixed with the buoy below so that the frame is floating on the water. The machine can increase the oxygen content in the water by the microporous air-exhaust pipes, and has such advantages as simple structure, few parts.

The invention discloses a minitype refrigeration blower for vehicle, which belongs to the arrangement or layout technical field of heating, cooling, ventilating or other air processing equipments special for guest room or cargo room on vehicle. The invention is composed of a shell, a thermal electrical refrigerator and an electric fan; wherein, the electric fan is arranged on an input segment of the shell and the thermal electrical refrigerator is positioned on the output segment; the output segment of the shell is divided into two areas for outputting air through the thermal electrical refrigerator. The thermal electrical refrigerator can generate heat in one aspect and also cold in other aspect after being switched on with DC electricity and both the heat and the cold can separately enter into the two areas for outputting air of the output segment; the electric fan is able to blow the air flow as the cold aspect generated by the semiconductor freezer at air outputting to driver or passenger to facilitate them feeling comfort and keeping weak, which is safe for driving. The invention has the advantages of little component and simple structure; for only the electric fan is the rotating component, therefore, the invention is small in noise and little in electricity consumption.

The invention relates to a device and a method for detecting material outgassing product under space living environment, which belongs to the field of electronic testing technology. The device mainly comprises an observation window, an object platform, a vacuum chamber cabin door, a vacuum measurement system, a temperature control system, a sample container, a vacuum chamber, a gas charging valve, a flow rate control meter, a trim valve, a filter, a pressure meter, a relief valve, a dry nitrogen container, a high-purity nitrogen container, a high-purity oxygen container, a sampling device, an oxygen analyzer, a gas collection valve, a vent valve, a rough valve, a dry pump, a fore valve, a gate valve and a magnetic molecular pump. The method comprises a sample preparation step and a sample outgassing product analysis step. The device and the method provided by the invention overcome the disadvantage of the prior art which only focuses on the material outgassing problem under vacuum condition, and can evaluate the composition and content of material outgassing products under low-pressure environment in crew cabins of space station, spacecraft and so on.

The invention relates to an intelligent hot pot inner tray elevating mechanism, the hot pot inner tray elevating mechanism includes a ball screw and an elevating rod perpendicularly arranged, the rod body of the ball screw is connected in a sleeved mode with a ball screw, the ball screw is mutually and fixedly connected with the elevating rod; the bottom end of the ball screw is fixedly connected with an output shaft of an epicyclic gearbox, the input end of the epicyclic gearbox is connected with an output shaft of a motor; the two ends of the ball screw top bottom are respectively provided with an upper photoelectric sensor and a lower photoelectric sensor, the ball screw is provided with a light shade board which triggers the upper photoelectric sensor and the lower photoelectric sensor; the hot pot inner tray elevating mechanism is further provided with a control board which is electrically connected with the motor and the upper photoelectric sensor and the lower photoelectric sensor. The intelligent hot pot can intelligently control the elevation of a hot pot inner tray and is convenient to use, the intelligent hot pot is simple in structure, small in volume, and convenient to install.

The invention relates to beverage brewing equipment allowing a beverage bag to be removed easily. The beverage brewing equipment comprises a machine base, a first machine part, a second machine part and a holding mechanism used for receiving and holding the beverage bag after the beverage bag is inserted between the first machine part and the second machine part. The beverage brewing equipment is characterized by further comprising a bag scraping plate and an elastic structure; the bag scraping plate can be constrained inside the machine base and can slide in the vertical direction, the bag scraping plate is provided with a blocking part which extends backwards to the upper portion of the rear of the rear end face of the first machine part, and spacing allowing the annular edge of the beverage bag to be placed is formed between the blocking part and the rear end face of the first machine part; the elastic structure acts on the bag scraping plate so that the bag scraping plate can maintain a downward moving trend. According to the beverage brewing equipment, the beverage bag is removed mainly through the action of the bag scraping plate, the number of related components is small, and the structure is simple; in the process of removing the beverage bag, the bag scraping plate moves downwards and will push the annular edge, so that downward pushing force is produced on the beverage bag; in other words, the falling force of the beverage bag not only comprises the gravity of the beverage bag but also comprises the elasticity of the elastic structure, and therefore it is further ensured that the beverage bag is removed smoothly.

The invention relates to a control method and device for a patient bed position of a medical instrumentation system. The control method comprises the steps that S1, a gesture image is obtained; S2, the gesture image is identified, and a gesture signal is extracted; S3, a corresponding command is generated to control a patient bed to move according to the gesture signal; S4, a patient image is obtained, whether patient position information is consistent with a preset position or not is judged, if yes, a to-be-detected part of a patient is scanned, and if no, backing to the S1 is conducted. According to the control method and device for the patient bed position of the medical instrumentation system, the images are obtained through a camera, positioning is conducted, a traditional method for controlling the patient bed position and positioning the patient of the medical instrumentation system is replaced, a laser positioning lamp and a video monitoring system do not need to be used, detection of laser products is not needed, the harm to eyes of the patient possibly caused by laser positioning is avoided, and the control method is safer and more reliable; and medical instrumentation system components are reduced, so that the structure of the medical instrumentation system is simpler, the cost is effectively reduced, and further the using space is saved.

The invention discloses a tidal current energy generator which comprises a casing (2), end covers (7), an impeller device, guide sleeves (6), magnets (5), winding coils (4) and bearings (3), wherein each end cover (7) and each guide sleeve (6) are connected at each of two ends of the casing (2), the winding coils (4) are connected in the casing (2), the magnets (5) are positioned in the corresponding winding coils (4) and fixedly connected outside the impeller device, the impeller device is rotatably connected with the casing (2) through the bearings (3), each of two ends of the impeller device is hermetically connected with each end cover (7) and each guide sleeve (6), and winding ends of the winding coils (4) are provided with lead wires respectively. On one hand, the tidal current energy generator is simpler in structure, less in component and better in reliability, and on the other hand, part of power needing to be consumed by a speed increaser is omitted, therefore, operating efficiency of the whole generator is improved.

The invention relates to an automatic printing machine drying mode and conveying manner. A printing machine comprises a printing device, a drying device and a circulation conveying device are included. The drying device comprises a box, a heating device, a descending conveying mechanism, an ascending conveying mechanism, a table plate box interior connection device and a table plate box exterior connection device. The ascending conveying mechanism and the descending conveying mechanism are the same in structure and each comprises at least one pair of lifting chains arranged on the two sides ofthe box. The lifting chains are provided with a plurality of table plate support plates distributed in parallel. The lifting chains are driven by a drive device and drive the table plate support plates to ascend and descend up and down. The automatic printing machine drying mode and conveying manner has the advantages that through cooperation of the lifting chains and the table plate support plates, table plates ascend and descend in an ascending channel or a descending channel, for the independent ascending channel or descending channel, only a pair of lifting chains are needed, needed components are greatly reduced, the structure is simple, and lifting is convenient.

The invention relates to a car-carrying plate stacking machine and an intelligent stereo garage using the car-carrying plate stacking machine. The car-carrying plate stacking machine comprises two brackets, lifting mechanisms and lifting frames, wherein the two brackets are oppositely arranged; the lifting mechanisms are arranged on the brackets; the lifting frames are driven by the lifting mechanisms; a lifting lock hook is arranged on each of the lifting frames; the lifting lock hook is mounted on each of the lifting frames in a rotatable form through a rotating shaft; a stretching mechanism is arranged on each of the lifting frames; one end of the lifting lock hook is connected with a stretching mechanism so that the other end of the lifting lock hook is driven to swing. Compared with the prior part, the car-carrying plate stacking machine provided by the invention has the advantages that the structure is simple, less components are used, the assembling is convenient, the lifting lock hooks on the two brackets can coordinate for lifting or putting down and stacking the car-carrying plate located on the car-carrying plate stacking machine, the use is convenient, the car-carrying plate stacking machine coordinates with a carrying robot for realizing the continuous car storage and continuous car taking in an intelligent stereo garage, the car-storing/taking speed is high and the efficiency is high.

The invention belongs to the technical field of hoisting construction and provides a tool for hoisting a steel inner barrel of a chimney, aiming at solving the problems of an existing method for hoisting the steel inner barrel of the chimney that the safety risk is great and the cost is high. The tool comprises a hoisting frame, four power devices and a hoisting device, wherein the hoisting frame is fixed at the top of the chimney; the power devices are fixed on the lower surface of the hoisting frame; the hoisting device can move in the chimney up and down. With the adoption of the tool provided by the invention, the safety of the work of hoisting the steel inner barrel of the chimney is improved and the working cost is reduced.

The invention discloses a column type metal cutting machine comprising a tank type column, a slideway is arranged on the tank type column vertically, the tank type column is connected with a sliding plate through the slideway, a main spindle box is installed on the sliding plate, and a moving bolster is arranged below a main shaft; a nitrogen compensating cylinder vertically arranged is installed on the main shaft box or the sliding plate; and the external end of the piston rod matched with the nitrogen compensating cylinder props against the bottom of the tank type column. Compared with the prior art, the metal cutting machine has the advantages of less components, simple overall structure, lowered equipment cost and small occupied space after installation.

The invention relates to a domestic skin care product customization machine which comprises a rack, a material disc, a material disc driving mechanism which can be used for driving the material disc to rotate, piston type material barrels which can be used for storing materials, and a control mechanism, wherein a circle of through holes are formed in the material disc; the piston type material barrels are arranged in the through holes; material outlets are formed in the piston type material barrels. The domestic skin care product customization machine is characterized by also comprising an extrusion material discharging mechanism arranged above the material disc, and a material stirring mechanism arranged on the material disc, wherein the extrusion material discharging mechanism comprises a liftable screw rod and a screw rod driving part which is used for driving the screw rod to lift; a receiving cup is arranged below the material disc; the receiving cup is positioned on an extending line of the screw rod; the material stirring mechanism comprises a stirring motor and a stirring cutter head which is arranged at the lower end of the output shaft of the stirring motor; the stirring motor is arranged in one of the thorough holes in the material disc and is connected with the material disc by a resetting part. Compared with the prior art, the domestic skin care product customization machine has the characteristics that the structure is simplified, the number of parts is reduced, the cost is reduced, and the size is small.

The invention, which belongs to the dynamic balancing machine field, provides an automatic imbalance point tracking apparatus for a dynamic wheel balancing machine. With the apparatus, problems of tedious indication way steps and high operation difficulty of the wheel imbalance point in an existing ALUS mode or complicated structure of the employed indication apparatus can be solved. An output shaft of a first stepping motor is perpendicular to an output shaft of a second stepping motor; a first laser and a second laser are arranged on the output shaft of the first stepping motor and the output shaft of the second stepping motor respectively; and the output shaft of the first stepping motor and the output shaft of the second stepping motor are parallel to emergent light of the first laser and emergent light of the second laser respectively. A first zero-point positioning body and a second zero-point positioning body are used for zero-point positioning of the output shafts of the first stepping motor and the second stepping motor. A grating signal output terminal and a correction plane position data output terminal of a dynamic balancing machine are connected with a grating signal output terminal and a correction plane position data output terminal of a processor; and a driver drives the first stepping motor and the second stepping motor respectively by a first control signal and a second control signal that are sent out by the processor. According to the invention, the provided apparatus are used for automatic imbalance point tracking of a dynamic wheel balancing machine.

A ceramic plate curtain wall mounting structure comprises a keel, a ceramic plate and at least two connecting devices. Each connecting device comprises a first clamping plate, a second clamping plate and a connecting plate, wherein the first clamping plate and the second clamping plate are parallelly arranged at intervals, the connecting plate penetrates the first clamping plate, one end of the connecting plate is fixedly connected with the middle of the second clamping plate to form two U-shaped clamping portions with opposite openings, and one end of the connecting plate far away from the second clamping plate is fixedly connected with the keel. One U-shaped clamping portion of one connecting device is clamped to one end of the ceramic plate, and one U-shaped clamping portion of the other connecting device is clamped at the other end of the ceramic plate. The ceramic plate curtain wall mounting structure is simple, and the strength of the ceramic plate cannot be reduced. Besides, the invention further provides a ceramic plate curtain wall mounting method.

The invention discloses an electrodynamic-type seat direction-changing structure of a baby carriage. The structure comprises a supporting seat arranged on a vehicle frame of the baby carriage and an upper supporting frame. The upper supporting frame is rotatably connected with the supporting seat through a rotary shaft, the rotary shaft is driven by a motor, and an input end of the motor is connected with an output end of a control circuit. According to the electrodynamic-type seat direction-changing structure of the baby carriage, people can easily change directions of the seat through a direction-changing button. Compared with the prior art, the seat is needless to be disassembled, interaction or communication between people and a baby is convenient, the structure is simple and manufacture is easy.

The invention provides processing equipment for a horn mouth of a metal tube. The processing equipment comprises a fixing device used for clamping and fixing a metal tube, a throat punch used for necking certain end part of the metal tube, a flaring punch used for flaring and forming another end of the metal tube, wherein the front part of the fixed device is provided with a tapered slot which is exposed at the front end of the metal tube; the throat punch is provided with an arc slot, the diameter of the arc slot is not less than the outer diameter of the metal tube, the front end of the flaring punch is coaxially provided with a flanging section and a flaring section from front to back, the flanging section is a forwards protruding tip, and the flaring section is a conical platform matched with the tapered slot. Compared with the prior art, according to the processing equipment provided by the invention, the parts can be greatly reduced, the process of flanging and flaring and forming can be completed by the flaring punch, the processing procedures can be shortened, the production efficiency can be greatly improved, and the reject ratio can be reduced.

The invention relates to an oil reservoir (10) for a system (100) having a lubricating oil circuit (S) and a cooling oil circuit (K), a system (100) equipped with the oil reservoir, such as a vehicle drive train having a lubricating oil circuit (S) and a cooling oil circuit (K), and a method for operating the system. The system (100) can thus be constructed more simply, more space-saving, cheaper and/or more cost-effective, or correspondingly achieved in that the system (100) comprises an oil reservoir (10) which is designed to distribute the oil (1) into the lubricating oil circuit (S) and the cooling oil circuit (K).

The invention discloses a cable sealing device. The cable sealing device is simple in structure, a few parts are involved, installation and hermetic connection of a dumbbell-shaped sensor can be effectively achieved, so that a probe of the sensor can be arranged in a high-temperature and/or high-voltage environmental cavity for detection, an output terminal of the sensor can be arranged outside the environment cavity and is connected with other equipment to acquire a detection signal. The cable sealing device is convenient to install and is high in hermetic connection reliability.

The invention relates to the technical field of optical manufacturing and in particular to a continuous zoom lens with a linear motor and a self-locking function. The lens comprises a movable lens, agrid ruler, a reading head, a control circuit, a sliding block, a sliding rail, a linear motor and a self-locking structure, the linear motor comprises a stator and a rotor, the stator comprises a first magnet fixing plate and a second magnet fixing plate, a magnet array is fixedly arranged on the first magnet fixing plate and the second magnet fixing plate, a gap is formed between the first magnet fixing plate and the second magnet fixing plate, an opening is formed in one side of the stator, and one side of the rotor extends out of the opening; the self-locking structure comprises a lockingmotor, a rotating shaft, a magnet and a locking block, magnetic conductive sheets are arranged on the two sides of the locking block in parallel, and the rotating shaft is provided with the magnet. The grating ruler and the reading head are adopted, the position information of the moving lens is obtained by reading the position information of the grating ruler, the control circuit controls the operation state of the linear motor according to the position information, and therefore closed-loop control over vertical movement of the moving lens is achieved.

The invention relates to a vertical shield plate for a train. The vertical shield plate comprises a vertical shield plate body, a side shield plate and two reinforcing fixed parts; one side of the vertical shield plate is connected with the side shield plate, a first surface of the vertical shield plate body is sunken towards a second surface to form a mounting groove, and mounting holes are formed in side walls of two ends of the mounting groove and penetrate through the first surface and the second surface of the vertical shield plate; the two reinforcing fixed parts are arranged on outer sides of two sides of the mounting groove respectively, each reinforcing fixed part comprises a first connecting part, a fixed part and a second connecting part which are connected in sequence, the first connecting parts are fixedly connected with the second surface of the vertical shield plate, the second connecting parts are fixedly connected with the side shield plate, and fixed holes are formedin the fixed parts and aligned to the mounting holes. By means of reinforcing fixed parts, not only can the structure be reinforced, but also handrails can be fixed, parts of the vertical shield plateare reduced, the structure of the vertical shield plate is simpler, overall weight of the vertical shield plate is reduced, and lightweight design of a vehicle is facilitated.

The invention relates to the field of die manufacturing of cylindrical parts, in particular to an edge cutting device and an edge cutting method for a thin-wall deep-drawn cylindrical part. The edge cutting device for the thin-wall deep-drawn cylindrical part comprises an upper die holder and a lower die holder. A cylindrical part edge cutting mechanism is arranged between the upper die holder andthe lower die holder. The cylindrical part edge cutting mechanism comprises a female die, a fixed core male die, a buffer spring, a blanking connecting sleeve and a cylindrical cutter. A beveling supporting face is formed at the upper end of an inner hole of the female die, and the blanking connecting sleeve is arranged on the outer side of the fixed core male die. The upper end of the blanking connecting sleeve is connected with the upper die base through the buffer spring, the lower end of the blanking connecting sleeve is connected with the cylindrical cutter, and the distance between theblade of the cylindrical cutter and the axis of the blanking connecting sleeve is not smaller than the half of the width of the inner hole of the female die. According to the edge cutting method for the thin-wall deep-drawn cylindrical part, the cylindrical part is placed in the female die, the fixed-core male die and the blanking connecting sleeve move downwards, and the cylindrical cutter cuts off peripheral excess materials. The cost is low, the cylindrical part is free of burrs after edge cutting, the efficiency is high, and the device and the method can be combined with a preceding stamping procedure for progressive die in-series connection.

The invention discloses an invoice pushing mechanism and an automatic invoice selling machine and method, and belongs to the technical field of automatic invoice selling. The invoice pushing mechanismcomprises an invoice pushing support, an invoice pushing leading screw, a first controller, two invoice barrier supports and two fixed adjusting mounts, the invoice barrier supports are arranged in symmetry along the axial direction of the invoice pushing leading screw, the two fixing adjusting mounts are also arranged in symmetry along the axial direction of the invoice pushing leading screw, the first controller is electrically connected with the invoice pushing leading screw to control motion of the invoice pushing leading screw, the invoice pushing leading screw is in transmission connection with the invoice pushing support, each invoice barrier support is provide with a first through groove extending towards the invoice pushing leading screw, the invoice pushing support is provided with two first projections, each first projection penetrates the corresponding first through groove and can slide relative to the first through groove, each fixed adjusting mount is provided with a second through groove in parallel with the axial direction of the invoice pushing leading screw, the invoice pushing support is provided with two second projections, and each second projection penetratesthe corresponding second through groove and can slide relative to the second through groove. Thus, quota invoices of different denominations and parts can be sold in a free combination way.

The present invention provides a paper bag frame structure for mounting dust-collecting bag of vacuum cleaner. It includes a paper bag frame for mounting dust-collecting bag, the upper portion of front end face of the described paper bag frame is equipped with a forward-extended extension portion, and on the position of described extension portion several grids are cut.

The invention provides a steel material cutter and a locking method of a knife head of the steel material cutter. The steel material cutter at least comprises the knife head and a bottom plate. The locking method of the knife head comprises the steps that first, the knife head is arranged on a rotating arm, the knife head is circular, when the knife head is mounted, the circle center of the knife head is connected with a rotating motor arranged on the rotating arm, an inserting pin is used for respectively penetrating through one end of the rotating arm and a connecting seat fixedly arranged on the bottom plate, so that the inserting pin is parallel to the bottom plate, the rotating arm can rotate around the axis direction of the inserting pin, and accordingly the fact that the knife head rotates around the axis direction of the inserting pin and is used by rotating of the rotating arm is achieved, and when the knife head does not need to be used, a locking rod respectively penetrates through the rotating arm and the connecting seat to fix the rotating position of the rotating arm.

The invention discloses a compact bionic eye device based on a two-degree-of-freedom electromagnetic driving rotating mechanism. The device can be used as a visual sensor of a bionic robot such as a humanoid robot and mainly comprises a rotor, a stator core, a winding, an angular displacement camera, a spherical hinge pressing block, a stator connecting piece, a camera, a spherical hinge, a cameraconnecting piece, a rotor connecting piece and an outer spherical shell. According to the device, by adjusting the winding currents of the four stators, the rotor is driven to realize limited rotation of pitching and yaw freedom; and the two-degree-of-freedom electromagnetic rotating mechanism is compact in structure, and the bionic eye device capable of realizing the human eye scale provides animportant foundation for truly applying bionic eyes to the humanoid robot.