46 results about "Micromotor" patented technology

The invention discloses an intelligent glassware storage cabinet with recognition, classification and detection functions, and relates to the technical field of experimental facilities, the intelligent glassware storage cabinet comprises a glassware storage unit, a recognition and detection unit, an object taking and conveying unit and a control unit, and the glassware storage unit is installed in a storage cabinet body. The profiling groove of the memory sponge lining of the glass instrument storage unit is matched with instruments of the same type and multiple specifications, the pressing assembly achieves dynamic pressing through the micromotor and the pressure sensor, and the complexity of manually replacing a mold is avoided. The recognition and detection unit fuses a visual camera and a four-way ultrasonic detection module, accurate judgment of instrument types is achieved through visual recognition, an ultrasonic probe scans the interior of the instrument from the front, back, left and right faces, and hidden damage such as microcracks can be detected. The object taking conveying unit conveying belt achieves efficient linkage of a storage area and an object taking area, the object taking time of a single instrument is greatly shortened, the concentrated object taking efficiency of instruments of multiple specifications is improved, and the wrong taking rate is reduced.

The invention discloses an intelligent control method and system for a clock micromotor, and relates to the technical field of intelligent control, and the method comprises the steps: obtaining the environment temperature, the gravity angle value and the standing time of the clock micromotor, taking the environment temperature, the gravity angle value and the standing time as orthogonal variables, constructing a multi-dimensional friction load tree, and according to the multi-dimensional friction load tree, carrying out the intelligent control of the clock micromotor. The method comprises the following steps: obtaining a reference driving pulse width, calculating a time difference value between an actual back electromotive force zero-crossing moment and a theoretical back electromotive force zero-crossing moment, outputting the time difference value as a load residual error, storing the load residual error according to a time sequence to form a historical load residual error sequence, and obtaining a trend correction factor according to the historical load residual error sequence; compensating the reference driving pulse width through the trend correction factor, generating a target driving pulse width, outputting a driving waveform to a coil of a clock micromotor according to the target driving pulse width, controlling the operation of a rotor, updating a historical load residual error sequence according to a real-time load residual error, and improving the travel time precision, battery endurance and mechanical life of the clock.

This invention relates to the field of non-contact biosignal processing technology, providing a method, device, electronic device, and storage medium for determining psychological state assessment parameters. The method includes: inputting millimeter-wave radar signals into a psychological state assessment model to obtain psychological state assessment parameters; the psychological state assessment model includes a physiological feature extraction module, a micromotor feature extraction module, a multimodal feature fusion module, and a psychological state inference module. This invention reconstructs electrocardiogram waveforms through the physiological feature extraction module to obtain detailed physiological features, extracts micromotor features through the micromotor feature extraction module, and integrates features reflecting internal physiological changes and external behavioral manifestations through the multimodal feature fusion module. This forms a more comprehensive and multidimensional fused feature set for comprehensive analysis by the psychological state inference module, greatly improving the comprehensiveness and accuracy of psychological state assessment in unconstrained daily environments.

The disclosure presents a shaftless, brushless motor for rotating any optical or sensing element (e.g., a lens or mirror) at a distal end of a waveguide that also delivers electromagnetic radiation (e.g., light). Herein, the waveguide itself functions as the axle on which rotating components rotate, thereby avoiding blind spots and overcoming limitations in existing “micromotors”. The shaftless, distally driven motor significantly reduces motor size, while extremely small inertial loads and bearing sizes allow for high pitch cylindrical scanning with longitudinal velocity uniformity.

The utility model belongs to the technical field of micromotors, and particularly relates to a motor casing not easy to fall off, which comprises a casing main body, the bottom of the casing main body is fixedly connected with a trapezoidal supporting block, the bottom of the trapezoidal supporting block is fixedly connected with a wiring terminal, and the wiring terminal is fixedly connected with a connecting rod. Copper sheets are fixedly connected to the front side and the rear side of the wiring terminal, first U-shaped plates are arranged on the front side and the rear side of the trapezoidal supporting block in an attached mode, and first rubber blocks are bonded to the inner walls of the first U-shaped plates. According to the motor shell not easy to fall off, through cooperation of a trapezoidal supporting block, a first U-shaped plate, a first rubber block, a strip-shaped hole, a cylinder, a strip-shaped groove, a limiting support and a spring, a user can fix the first rubber block to a wiring terminal, the first rubber block is made to press a welding spot on a copper sheet, and at the moment, the first rubber block is fixed to the wiring terminal; and the lead welded on the copper sheet is not easy to loosen or fall off through the pressing force, so that the copper sheet and the lead are fixed more firmly.

The utility model discloses a manual electronic variable speed controller of an inner variable speed hub and a bicycle, which comprise a micro-motor running device, a key indicating instrument device and a power supply device, and the micro-motor running device is fixed at one end of the axis of the inner variable speed hub; the micro-motor running device comprises a shell main body, a micro-motor lower cover, a movable conversion lever and a micro-motor, the key indicating instrument device is fixed on a handlebar of the bicycle, the key indicating instrument device comprises a key upper cover, a key lower cover and a circuit board, the key indicating instrument device is connected with the micro-motor, and the circuit board is connected with the micro-motor. And the power supply device is fixed on a frame of the bicycle and is electrically connected with the micromotor running device and the key indicating instrument device respectively. The manual electronic variable-speed controller of the inner variable-speed hub is advanced in design, compact in structure and convenient to use, so that a rider can realize speed change and gear shifting only by lightly pressing a key, the fatigue of the rider can be relieved, and the riding comfort is improved.

The invention discloses a micro servo speed reducer, and relates to the technical field of precision control micromotors. The miniature servo speed reducer comprises a high-precision speed reducer base, the speed reducer base is composed of an inner gear ring, an end cover and a connecting base, the combination of the speed reducer base is based on the reference circle of the inner gear ring, the end cover is arranged at the front end of the inner gear ring, the connecting base is arranged at the rear end of the inner gear ring, and the end cover is connected with the connecting base. And the main axes of the inner gear ring, the end cover and the connecting seat are highly superposed. The micro servo speed reducer is matched with a micro servo motor with the same diameter, speed reduction and torque increase can be achieved, and the micro servo speed reducer is used for the fields of precision control instruments, intelligent equipment and humanoid robots. The device is characterized in that the highly accurate base is formed by combining an inner gear ring, an end cover and a connecting seat, and the main axes are highly overlapped; the inner gear ring is of a trimming top cutting type, a planet carrier is integrated, and the transmission precision is improved; a constant pressure damper is used for eliminating the axial clearance of the bearing, and the precision standard of a national standard servo reducer is met.

The invention relates to the field of flexible composite permanent magnet materials, and discloses a high-structural-strength rubber magnetic material and a preparation method thereof. The invention discloses a rubber magnetic material with high structural strength. The rubber magnetic material is prepared from the following raw materials in parts by weight: 88-92 parts of pretreated magnetic powder, 6-10 parts of nitrile rubber, 0.2-0.5 part of a tackifying aid, 0.2-0.5 part of an activating agent, 0.25-1 part of an anti-aging agent, 0.05-0.1 part of a vulcanizing agent and 0.05-0.1 part of a lubricating agent, the pretreated magnetic powder is prepared from magnetic powder, maleic anhydride grafted liquid polybutadiene and a coupling agent; the vulcanizing agent is composed of p-tert-butyl phenolic resin and rosin modified phenolic resin. The rubber magnetic material prepared by the preparation method of mixing, calendaring and hot vulcanization has relatively good structural strength, surface smoothness and bendability, and is applied to high-speed micromotor motors.

The application belongs to the field of oil and fat biological refining, and particularly relates to an oil and fat degumming method based on a phospholipase micromotor reactor. The application discloses an enzymatic degumming method for edible vegetable oil, algal oil and animal oil and fat. In view of the pain points of low degumming efficiency, long time consumption, easy deactivation and difficult recovery of enzymes in the traditional enzymatic degumming method, a core-shell mesoporous silica microsphere is designed, an emulsion method is used to graft alkyl and alkyl amine on both sides of the microsphere respectively, a Janus carrier with asymmetric chemical environment is constructed, and phospholipase A1, A2, B or C is solidified by physical adsorption to prepare a phospholipase micromotor reactor. In the degumming process, the micromotor cooperates with the 'interface activation-strengthening mass transfer-dynamic self-cleaning' mechanism, realizes self-driven movement in the interface microscale range by virtue of the substrate concentration gradient, significantly improves the phospholipase enzyme activity and stability, and realizes efficient degumming of oil and fat. The method has high oil yield, green process and is suitable for industrial popularization.

The invention relates to a micro-motor tail pre-filling mold, a micro-motor tail pre-filling process and a micro-motor. The micro-motor comprises a motor main body and a filling pipeline, and one end of the filling pipeline is communicated with the interior of the motor main body; the pre-potting mold is used for potting and fixing the motor main body and the potting pipeline, and comprises a mold body; an accommodating part and a glue injection runner are arranged in the mold body; the accommodating part is used for accommodating the micromotor and is of a structure with two through ends, one end is a motor main body inlet, the other end is an extending port of the filling pipeline, at least one part of the inner wall of the accommodating part can be attached to a rear end cover module of the motor main body to form circumferential sealing, and the part, close to the extending port, of the accommodating part is a pre-filling mold cavity; the pre-potting mold cavity is communicated with the extending opening and is used for providing a glue injection space for potting and fixing the motor main body and the potting pipeline; and one end of the glue injection runner is a glue injection port, and the other end is communicated with the pre-encapsulation mold cavity. The connection strength of the motor main body and the filling pipeline is improved.

The invention relates to the technical field of automatic micromotor assembly lines, in particular to an automatic micromotor assembly line stator assembly jig which comprises a jig disc and a jig shaft. The jig disc comprises a jig disc aluminum base body, a jig shaft radial positioning shaft and a flow guide bearing. The jig shaft comprises a transfer axial positioning shaft, a transfer radial positioning seat, a graphite bearing sliding sleeve, a silicon steel sheet iron core stator positioning shaft, a bearing alloy seat positioning shaft, an enameled wire tensioning shaft, a silicon steel sheet iron core stator positioning shaft reset spring end socket, a silicon steel sheet iron core stator upper limiting buckle, a silicon steel sheet iron core stator lower limiting adjusting pad and a pull rod plug. A bearing alloy seat positioning shaft pull rod, a silicon steel sheet iron core stator positioning shaft reset spring, a silicon steel sheet iron core stator upper limiting buckle rotating shaft, a silicon steel sheet iron core stator upper limiting buckle reset spring, an enameled wire tensioning shaft reset spring and an enameled wire tensioning shaft upper limiting shaft; one-time clamping and automatic circulation of working procedures such as wire winding, bearing alloy seat press fitting and wire arranging welding are achieved.

The utility model provides a micromotor production device, and relates to the technical field of micromotors. A plurality of dust cleaning mechanisms are arranged in the dust cleaning cover; a plurality of mold clamping assemblies are arranged on the conveying belt; a mold base is arranged in the mold clamping assemblies; a mold groove is formed in the top of the mold base, and the shape of the mold groove is matched with that of a PCB substrate; the sealing film is connected between the sliding rod and the mold groove, the deflector rod is arranged at the top of the sliding rod, the mold opening mechanism and the mold closing mechanism are connected to the positions, on the two sides of the dust removing cover, of the bottom of the base respectively, and the mold opening mechanism, the dust removing cover and the mold closing mechanism are sequentially arranged according to the conveying track of the conveying belt. The mold closing mechanism comprises a mold closing groove located on the movement track of the deflector rod. According to the utility model, the die holder for accommodating the PCB substrate can be automatically sealed after the PCB substrate is cleaned so as to prevent the PCB substrate from being secondarily polluted.

The invention discloses a film bulk acoustic resonator and a filter, and relates to the technical field of micromotor systems. The film bulk acoustic resonator comprises a substrate and a piezoelectric stacking structure arranged on the substrate, wherein the piezoelectric stacking structure comprises a bottom electrode, a piezoelectric layer and a top electrode which are sequentially stacked; a first metal extension part and a second metal extension part which are oppositely arranged at an interval are further arranged on the substrate, the first metal extension part and the second metal extension part are arranged on the periphery of the piezoelectric stack structure in a surrounding mode, the first metal extension part is in contact conduction with the top electrode, and the second metal extension part is in contact conduction with the bottom electrode. The thin film bulk acoustic wave resonator has the advantages of low cost, high reliability and good compatibility with the prior art, and the power capacity is remarkably improved.

The utility model discloses a manual electronic variable speed controller of an internal variable speed hub and an electric power-assisted bicycle, which comprise a micromotor operating device and a key indicating instrument device, the micromotor operating device comprises a shell main body, a micromotor lower cover, a movable conversion lever and a micromotor, the key indicating instrument device comprises a key upper cover, a key lower cover and a circuit board, the key indicating instrument device is connected with the micromotor through a driver, one side of the key upper cover is provided with keys and lamp beads, the keys and the lamp beads are electrically connected with the circuit board, and the keys comprise a power key, a shift-up key and a shift-down key. The manual electronic variable-speed controller of the inner variable-speed hub is advanced in design, compact in structure and convenient to use, so that a rider can realize speed change and gear shifting only by lightly pressing a key, an externally-hung battery tube does not need to be additionally arranged, charging is not needed, the use frequency of the electronic variable-speed controller is increased, externally-hung parts are reduced, and the cost is reduced. And the appearance of the electric power-assisted bicycle is more attractive.

The invention relates to a micromotor (10), the stator of which contains a back iron jacket (18). Said back iron jacket consists of a continuous unslotted sleeve consisting of a metal alloy that contains ferritic iron as the main constituent, up to 30% chromium and preferably aluminium and yttrium oxide. Electric conductivity is reduced by the oxidation of the aluminium. The yttrium oxide performs the same function. The reduced electric conductivity suppresses eddy currents to a great extent. The back iron jacket (18) has a high magnetic conductivity with a small wall thickness, thus increasing the electrical output for a motor with a small diameter.

The utility model relates to the technical field of direct current brush micromotors, and provides a direct current brush micromotor with a sunk terminal, which comprises a motor main body, an iron rear cover assembly is arranged at the top of the motor main body, a rubber cover assembly is arranged below the iron rear cover assembly in the motor main body, and an iron shell assembly is arranged at the bottom of the motor main body. The iron rear cover assembly, the rubber cover assembly and the iron shell assembly are sequentially distributed on the motor body from top to bottom. According to the utility model, under the mutual cooperation of the iron rear cover assembly, the rubber cover assembly, the iron shell assembly and the rotor iron chip assembly, the rubber cover micromotor with the concave structure, which is high in reliability and simple to assemble, is designed, the problems of easy deformation and interference of terminals are effectively solved, and the space utilization of the terminal positions is optimized; the position of the terminal installed on the rubber cover is designed to be of a concave structure, the terminal is not exposed after installation, the problem that the motor is not convenient to install due to collision deformation is solved, and the problems of space interference and short circuit risk are solved.

The application relates to the field of biomedical materials, and particularly discloses a biological hybrid magnetic micromotor as well as a preparation method and application thereof. The preparation method of the biological hybrid magnetic micromotor comprises the following steps: reacting Chlorella vulgaris with ferrous sulfate, potassium hydroxide and potassium nitrate, magnetically separating the obtained reaction solution to obtain a solid, reacting the obtained solid with graphene oxide, and magnetically separating the obtained reaction solution to obtain the biological hybrid magnetic micromotor. The micromotor provided by the application can enhance the contact with a methylene blue solution under the action of a magnetic field, thereby showing higher adsorption efficiency in a short time. The micromotor adsorbed with the methylene blue can accurately navigate to a cell surface, and can generate reactive oxygen under the irradiation of a 664 nm laser and generate heat under the irradiation of an 808 nm laser to cooperatively induce cancer cell death. The application skillfully utilizes the adsorption performance and directional motion behavior of the micromotor, thereby providing a new idea for realizing cascade environmental purification and tumor treatment.

The utility model discloses a micromotor support positioning, machining and punching device which comprises a workbench, one side of the workbench is fixedly connected with a support, one side of the support is provided with a lubricating and cleaning mechanism, the lubricating and cleaning mechanism comprises a hydraulic cylinder, the bottom of the hydraulic cylinder is fixedly connected with a transverse plate, and the transverse plate is fixedly connected with a hydraulic cylinder. A punch is movably connected to the center axis of the bottom of the transverse plate, and a first gear is fixedly connected to the top of the surface of the punch. According to the micromotor support positioning, machining and punching device, the lubricating and cleaning mechanism is arranged, a hydraulic cylinder is started through an external PLC, a transverse plate is driven to move through the hydraulic cylinder, the transverse plate drives a connecting shaft to move, the connecting shaft drives a roller shaft to move, and through cooperation of a guide groove and a fixing rod, the roller shaft can rotate in the vertical moving process; and the connecting shaft drives the second gear to rotate, the second gear drives the punch to rotate, and therefore the surface of the punch is brushed through the brush rod.

The invention discloses a targeted drug delivery system in a bladder. The targeted drug delivery system comprises a reagent A and a reagent B, the reagent A is a biological micromotor, platelets are taken as a natural carrier, and streptavidin is bridged and coupled with biotinylation modified urease to serve as a driving component to entrap active components; the reagent B is a urea solution. According to the invention, the natural characteristics of platelet chemotaxis tumor inflammation microenvironment are utilized to realize specific enrichment of motors in a bladder tumor area; after urea perfusion, urease catalyzes urea to generate gas power to push the motor to move, meanwhile, compact extracellular matrixes are slightly loosened, the motor is assisted to penetrate and reach the interior of a tumor and release drugs, and the delivery efficiency and targeting performance of the drugs in the bladder are remarkably improved.

The application provides a kind of grid seal adaptive mechanism of electric hydraulic active gap, including eddy current sensor preamplifier, current amplifier, engine main shaft and the grid seal and stationary machine case that are successively sleeved on the outside of engine main shaft;Multiple voltage eddy current sensors are provided on the grid seal, and multiple installation slots are provided on the stationary machine case, and a micro motor and a micro hydraulic pump are provided in the installation slots.The application converts the change of the rotor gap when the engine main shaft rotates eccentrically into a voltage signal, and converts the voltage signal into an electric current through the eddy current sensor preamplifier to drive the micro motor to rotate and provide support power for the micro hydraulic pump, so that the gap between the grid seal and the engine main shaft remains unchanged, achieving the self-concentric purpose of the engine main shaft and the grid seal.

This invention discloses a pH-specific nucleic acid aptamer for *E. coli*, a magnetically driven fluorescent micromotor, and their applications, belonging to the field of pathogen detection technology. The nucleic acid aptamers include Apt-A suitable for acidic conditions, Apt-B suitable for neutral conditions, and Apt-C suitable for alkaline conditions. The magnetically driven fluorescent micromotor prepared using the above-mentioned pH-specific nucleic acid aptamers can be used for the detection and sterilization of *E. coli* in food, achieving accurate detection in complex food matrices without adjusting the sample pH, with a detection limit as low as 3.89 CFU / mL. Simultaneously, the micromotor integrates the photothermal effect of polydopamine, achieving over 99.9% bacterial inactivation within 60 seconds under near-infrared irradiation, realizing integrated "detection-sterilization". The magnetically driven fluorescent micromotor of this invention has advantages such as strong pH adaptability, high detection sensitivity, excellent sterilization efficiency, and good motion controllability, and has promising application prospects.

The utility model discloses an automatic electronic variable speed controller of an internal variable speed hub and a bicycle, which comprise a micromotor operating device, a key indicating instrument device, a speed measuring device and a power supply device, the micromotor operating device comprises a shell main body, a micromotor lower cover, a movable conversion lever and a micromotor, the key indicating instrument device comprises a key upper cover, a key lower cover and a circuit board, the speed measuring device comprises a speed sensor and a magnet, and the power supply device is electrically connected with the micromotor running device, the key indicating instrument device and the speed measuring device respectively. The automatic electronic variable-speed controller of the inner variable-speed hub is advanced in design, compact in structure and convenient to use, corresponding speed changing and gear shifting can be automatically conducted according to different riding speeds, a rider can achieve multiple times of speed changing and gear shifting according to the riding speeds only by lightly pressing an automatic gear shifting key once, fatigue of the rider can be relieved, and the riding efficiency is improved. And the riding comfort is improved.

The fast-loading type goods self-locking anti-falling device comprises the forklift, the forklift comprises a fork arm carrier, two forks are symmetrically arranged on the front side of the fork arm carrier, trays are arranged on the forks, four-rod linkage mechanisms are arranged on the inner side portions of the two forks respectively, the four-rod linkage mechanisms are connected to sliding mechanisms, the sliding mechanisms are fixed to the forks, and the forks are connected with the tray through the four-rod linkage mechanisms. A pallet fork is inserted into goods, a pressing switch is triggered, a central controller receives a signal, a first micro motor is started, a four-bar mechanism is driven to move to a dead point self-locking position and stops, a controller starts a second micro motor, a sliding mechanism is driven to move backwards till the sliding mechanism makes contact with a tray, and the device enters a complete locking state. The four-rod mechanism and the sliding mechanism jointly form a rigid anti-falling barrier in front of and on the side of the pallet fork. After goods are unloaded, a switch is pressed to reset, the controller instructs the first micromotor to rotate reversely to reset the four-bar mechanism, the electromagnet is powered on to relieve limiting of the sliding mechanism, the sliding table retracts under the action of the reset spring, and the device recovers to the initial state.

This invention provides a cleaning fluid purification and regeneration system and method based on micromotor magnetic field programming. The system includes a cleaning unit, a purification tank, an in-situ regeneration tank, a magnetic field transmission channel, and a programmable magnetic field device. The cleaning unit cleans the workpiece and contains the cleaning fluid to be purified. The purification tank is connected to the cleaning unit to form a cleaning fluid circulation loop, and contains a functionalized micromotor. The in-situ regeneration unit receives and regenerates the functionalized micromotor that has captured contaminants. The magnetic field transmission channel connects the purification tank and the in-situ regeneration unit. The programmable magnetic field device is disposed in at least a portion of the purification tank, the magnetic field transmission channel, and the in-situ regeneration unit to generate a programmable magnetic field environment. This invention achieves efficient removal of contaminants, allows for the recycling of cleaning fluid consumables, and enables zero-residue recovery of the functionalized micromotor that has captured contaminants, achieving closed-loop regeneration.

The device belongs to the field of medicine, namely to orthopedic dentistry, and is used in prosthetics to ensure the accuracy of the dental preparation stage. The use of a device containing a tip - a 1:5 micromotor with a red stripe or a turbine, a coupling, an abrasive tool, two levers, a template, a hinge joint, a flange, a sleeve, a bracket and a shaft in which the flange is attached to the template, the latter is printed on a 3D printer, and the hinge joint is made of precision linear sliding bearings and a guide shaft, while the shaft and bracket are parallel to each other, and the tip is attached with a coupling so that The fact that the axis of the abrasive tool is parallel to the axis of the shaft, compared to the prototype, allows for a wider range of applications in this area of ​​orthopedic dentistry.

The invention relates to a lung-targeted drug-loaded micromotor as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing mPEG (Polyethylene Glycol), N-t-Boc-glycine, DMAP (Dimethylaminopyridine), DCC (Dendritic Cellulose) and a solvent for reaction, and sequentially obtaining an intermediate product preparation process of mPEG-CH2CH2NH-Boc, CH3OPEG-NH2 and mPEG-NH2; performing mixed reaction on NHS, EDC and a sodium alginate solution in a buffer system to obtain a carboxyl activation process of an activated product; the mPEG-NH2 and the activated product are mixed and subjected to a reaction, and a precursor material of Alg-g-mPEG is obtained; a saturated alpha-CD aqueous solution of an FOF1-ATPase molecular motor is mixed with the Alg-g-mPEG aqueous solution, and the Alg-g-mPEG self-assembled micro-capsule with the FOF1-ATPase molecular motor coating is obtained in the carrier preparation process; mixing a drug with the self-assembled micro-capsule to obtain a lung-targeted drug-loading micro-motor; the invention further discloses application of the lung-targeted drug-loaded micromotor prepared according to the preparation method in preparation of a drug delivery system for treating lung adenocarcinoma. The double-site high-drug-loading-capacity hydrogel has the advantages of being high in double-site high drug loading capacity, high in biological safety, high in pH response self-driving capacity, good in lung tumor targeting capacity, good in lung retention capacity and the like.

The present invention relates to a piezoelectric micromotor and a method for manufacturing the same. Here, the piezoelectric micromotor includes a stator and a rotor, and the stator includes a control deformation part, a passive deformation part, and a transmission link group. A rotor through-hole is provided in the control deformation part and the passive deformation part, and the rotor is installed in at least one of the rotor through-holes. A reverse piezoelectric part for generating deformation is further provided in the control deformation part. The transmission link group is located between the control deformation part and the passive deformation part. The transmission link group includes at least two transmission links, and both ends of the transmission link are respectively connected to the control deformation part and the passive deformation part. The control deformation part, the passive deformation part, and the transmission link group are integrally formed. According to an embodiment of the present invention, the processing requirements of a piezoelectric micromotor 10 in the millimeter to micrometer range can be satisfied.

The utility model discloses a splicable building block type steering engine, which comprises a building block steering engine body, a wireless signal communication module and a control terminal, and is characterized in that the building block steering engine body comprises a shell, and a main control board, a micromotor, a planetary gear set, a position sensing device and an output shaft which are arranged in the shell; the position sensing device is used for sensing the rotation angle, speed and number of turns of the output shaft; the micromotor and the position sensing device are electrically connected with the main control board, the main control board is connected with signal lines and a power line, the signal lines and the power line penetrate out of the shell and are gathered in the signal connector, at least two sets of signal lines are arranged and correspond to different control modes, and the signal connector is connected with the wireless signal communication module. And the wireless signal communication module is in wireless communication connection with the control terminal. By arranging the position sensing device, the state of the steering engine can be sensed in real time, the control function of the steering engine is improved, wireless control can be carried out, the application value of the steering engine is improved, and user experience is improved.

The present application relates to a kind of ground subsidence simulation device, including model box, which is provided with subsidence simulation component in model box, and the subsidence simulation component includes vertical partition, bottom plate and top plate constitute closed space, and closed space is provided with motor, pressure sensor, laser ranging sensor telescopic rod and connecting piece;Motor drives telescopic rod to retract, and telescopic rod drives top plate to move in vertical direction;Pressure sensor is arranged at the top of telescopic rod, for monitoring the force that top plate is subjected to when displacement occurs;Motor, pressure sensor and laser ranging sensor are connected with servo loading control system;The present application uses laser ranging sensor to measure the displacement of the top plate of subsidence simulation component, and the force that top plate is subjected to when displacement occurs is monitored by pressure sensor, and servo loading control system is based on real-time sensor data, utilizes servo loop program to control the movement of micro motor telescopic rod, to simulate the process and state of ground subsidence, to provide reference for urban ground subsidence problem.