29 results about "Electromechanics" patented technology

The application discloses a torque control method, device, equipment, storage medium and program product, and belongs to the technical field of electromechanics. The method comprises the following steps: acquiring an expected output torque, an actual output torque and a current control value of a driving device, wherein the driving device comprises a rotating motor; determining an updated current control value based on the expected output torque and the actual output torque; determining a disturbance current compensation value based on the actual output torque, the current control value and a current compensation model; adjusting the updated current control value based on the disturbance current compensation value to obtain an adjusted updated current control value; and controlling the rotating motor to operate based on the adjusted updated current control value. According to the application, the adjusted updated current control value is more accurate, the number of control adjustments is reduced, and the adjustment efficiency is improved.

The present application belongs to the technical field of electromechanics. Provided are a power tool and a control method therefor. The power tool comprises a housing, an output shaft, a driving mechanism, a clutch mechanism, a torque adjustment mechanism, a locking mechanism configured to selectively lock the torque adjustment mechanism, and a calibration mechanism, wherein the calibration mechanism comprises a magnetic component and a magnetic induction component, the magnetic component being disposed on the torque adjustment mechanism, and the magnetic induction component being disposed on the housing. When the power tool enters a torque adjustment mode, a controller acquires positioning parameters generated by the calibration mechanism, in response to an electric motor rotating by a preset angle or for a preset time. The controller is further configured to control the power tool to stop according to the positioning parameters, such that the locking mechanism can lock the torque adjustment mechanism. In the present application, the torque adjustment mechanism can quickly and accurately reach a preset position at which the torque adjustment mechanism can be locked by the locking mechanism, without repeated attempts, thereby improving convenience during torque adjustment of the power tool, and optimizing user experience.

The utility model relates to the field of electromechanical technology, in particular to a small motor load test bench, which comprises a mounting base, a clamping mechanism and a lifting mechanism, the mounting base is arranged at the bottom of the test bench, a mounting hole is formed in the mounting base, and the clamping mechanism is mounted on the mounting base through the mounting hole; the clamping mechanism comprises a left clamping block and a right clamping block. The opposite faces of the left clamping block and the right clamping block are provided with semicircular grooves so as to stably clamp a motor to be tested. The lifting mechanism comprises a steering shaft connected with an output shaft of the motor in an inserted mode, the end, away from the motor, of the steering shaft is connected with a lead screw, the lead screw is connected with a moving block, and the top end of the moving block is fixedly connected with a containing base for containing the balancing weight. The device can be adapted to various motors of different models, so that one test bench can meet the test requirements of more types of motors, and the utilization rate and the practicability of the test bench are improved.

The invention relates to a high-power electric transmission rotary joint, which relates to the field of aerospace electromechanics, and comprises flanges, power outer rings, power inner rings and upright posts, the power outer rings and the power inner rings are power rings with the same thickness and different diameters, the power inner rings are inserted into the power outer rings, and dynamic and static gaps are reserved to form a group of power outer rings; the multiple sets of power outer rings are distributed in the axis direction of the flange, and the multiple stand columns are inserted into the power outer rings to limit relative rotation of the rings. The flange, the power outer ring and the stand column form a stator, the power inner ring is a mover, the mover is rotationally connected into the stator to form a rotary joint, and the rotary joint has the advantages of being large in transmission power and safer.

A new LC medium exhibits a ferroelectric-nematic phase at ambient temperature. It comprises at least one or more compounds selected from each of the groups of formula IA, IB and IC-1 / IC-2 / IC-3, wherein the variable groups have the meanings indicated in the text and claims. The mixture can be used in electro-optics, electronics, electromechanics and other applications for materials with very high dielectric permittivity and other energy saving applications.

The utility model provides a foundation pit drainage device based on a PLC (Programmable Logic Controller), which belongs to the field of coal mine electromechanics and comprises a first water level sensor and a second water level sensor which are positioned at different heights in a foundation pit and are respectively connected to two input ports of the PLC; an output port of the PLC is connected to one end of a relay coil, the other end of the relay coil is connected with a first power source, one end of a relay auxiliary contact is connected with a second power source, the other end of the relay auxiliary contact is connected to one end of an electromagnetic valve, the other end of the electromagnetic valve is connected with the second power source, and the electromagnetic valve is located on an air pipe. One end of the air pipe communicates with an air source, and the other end of the air pipe is connected to the diaphragm pump which is connected to a water suction pipe in a foundation pit. Accumulated water in the foundation pit can be removed in time, and equipment damage and potential safety hazards are avoided.

The utility model belongs to the technical field of aviation electromechanics, and relates to a servo actuation control device. The device comprises a DSP (Digital Signal Processor) processing module, an LVDT (Linear Variable Differential Transformer) sensor acquisition module, a watchdog module, an electromagnetic valve driving module and a servo valve driving module, wherein the LVDT sensor acquisition module, the watchdog module, the electromagnetic valve driving module and the servo valve driving module are all connected with the DSP processing module. Under the cooperation of the electromagnetic valve and the servo valve, the hydraulic flow and direction acting on the steering engine are controlled, so that the steering engine is driven to move, and the position of the steering engine and a monitoring result are periodically reported to a flight control computer. And meanwhile, event data in operation can be recorded in the NVM, so that subsequent ground maintenance and management are facilitated.

The application belongs to the technical field of electromechanics, and discloses a radar automatic leveling device, which comprises a three-layer structure, and the layers are sequentially arranged from bottom to top as follows: a first layer, a lower transition plate (13) is connected with a vehicle body; a second layer, a middle transition plate (8) is installed on a first rotating shaft (6) on the lower transition plate (13), and represents a rotatable straight line; and a third layer, an upper transition plate (5) is installed on a second rotating shaft on the middle transition plate (8), and represents a rotatable straight line; a radar (3) is installed on the upper transition plate (5), and the installation surface of the radar (3), i.e. the upper transition plate (5), is located on a horizontal plane through rotation adjustment of the middle transition plate (8) and the upper transition plate (5). The application has the advantages of simple structure, convenient processing, light weight, and the ability to bear a large weight, and can well realize the leveling problem of the radar installation surface, and the leveling precision reaches 30 seconds.

The invention relates to the field of electromechanics, and discloses a track socket with a cleaning structure for electromechanical equipment, which comprises a track device and an adapter in sliding fit with the track device, one side of the track device adjacent to the adapter is provided with an adaptive chute, and a live wire copper bar, a zero wire copper bar and a ground wire bar are mounted in the track device. The adapter is internally provided with a live wire copper column, a ground wire column and a null line copper column, the adapter comprises a base, one side of the base is provided with an insertion block in insertion connection with the adaptive sliding groove, the two sides of the insertion block are provided with scrapers used for cleaning dust in the adaptive sliding groove, the other side of the base is internally provided with a power connection plate, and the side part of the base is provided with a panel in a clamping manner; a movable ring is slidably mounted on the outer side of the base, a live wire shaft seat and a zero wire shaft seat are rotatably mounted in the base, and a connecting column is connected to the bottom of the central shaft sleeve and slidably contacts with the ground wire. According to the scheme, the scrapers are installed on the two sides of the insertion block, the zero line copper bar can be cleaned in advance when the adapter slides, and the stability and reliability of the track socket in use are improved.

The utility model relates to the technical field of coal mine electromechanics, and discloses an electromechanical device for intelligent mining of a coal mine, which comprises an equipment main body, the front side of the equipment main body is sleeved with an air inlet cover, the rear side of the equipment main body is sleeved with an air outlet cover, an ion fan is arranged in the equipment main body, and fan blades are fixedly arranged at the output end of the ion fan. An electrostatic sensor is arranged above the fan blades, a sweeping mechanism is arranged between the fan blades and the air inlet cover, and a dust removal mechanism is arranged at the top of the equipment body. According to the device, fan blades are arranged to drive a rotating rod, a collision rod and a cleaning brush to rotate at the same time, the cleaning brush is driven to conduct real-time cleaning work on the surface of a dust filtering net in the dust adsorption process, the collision rod makes contact with a collision ball in the rotating process, collision force is generated, and therefore the dust filtering net is driven to vibrate; furthermore, the cleaning brush is driven to vibrate and fall off dust left on the dust filtering net, so that the cleaning effect is more efficient.

An end cover assembly and an outer rotor motor. The present application relates to the field of electromechanics, and particularly relates to an end cover and a protective cover arranged on the end cover, the end cover comprising an end cover body, a through hole is formed on the end cover body, a first ring wall is formed around the through hole and protrudes towards an inner side surface of the protective cover, and a second ring wall is formed in a direction away from a center of the through hole from the first ring wall; a plurality of notches are formed on an outer periphery of the second ring wall, and a first limiting structure is formed on a side surface of the second ring wall facing the protective cover; the protective cover comprises a protective cover body, a third ring wall extending towards the end cover from the protective cover body, and a clamping block formed on the third ring wall in a direction towards the center of the through hole; and a second limiting structure adapted to the first limiting structure is formed on a side surface of the protective cover body facing the end cover, so as to solve the technical problem that a waterproof and dustproof structure of an existing motor is complex, the cost is high, and maintenance is not facilitated.

The invention belongs to the technical field of digital twinning in the building industry, and discloses a data interaction management and control method and system based on a BIM model. According to the method, BIM model standardization transformation and processing are carried out on buildings, structures and electromechanics collected in the bidding stage, and fbx format files are exported; materials are endowed to the building model, the structure model and the electromechanical model again, a file is exported through a datasmith plug-in, and Unreal Engine software is imported; making a custom button and a UI system; and adding a label to the imported BIM model, and linking with the label to complete interaction with the BIM model. According to the method, a traditional reporting mode is broken, interactive association of two-dimensional images and texts and three-dimensional scenes is realized, linkage interaction of data, scenes and construction animations is supported, seamless fusion of images, texts and tables and three-dimensional results is realized, and immersive design, construction concept transmission and three-dimensional interactive reporting experience are created.

The utility model relates to the technical field of electromechanics, in particular to a household outdoor charging and inflating multifunctional air pump which comprises an air storage tank and a motor, a generator is arranged above the air storage tank, the output end of the generator is electrically connected with a control module, a first connecting part is arranged at the front end of the generator, and a second connecting part is arranged at the rear end of the motor. A first rotating shaft is connected into the first connecting part in a penetrating mode, the front end and the rear end of the exterior of the first rotating shaft are movably sleeved with balance weight ends, a connecting rod rotationally sleeved with the exterior of the first rotating shaft is connected between the two balance weight ends, and a permanent magnet piston body is movably connected to the upper portion of the connecting rod. An electromagnetic coil is arranged at the upper end of the permanent magnet piston body; according to the utility model, the inflator is manually operated to inflate the air storage tank, so that the small air pressure can be increased, the compressed air in the air storage tank is changed from small to large, the air utilization requirement can be met, and the electromagnet and the permanent magnet are combined to form output power under the condition of no power supply, so that the generator is driven to generate electricity.

The invention belongs to the field of aviation electromechanics, and relates to a channel synchronization method based on hard wire signals. By introducing a high / low level handshake mechanism, a dynamic delay mechanism and a plurality of synchronization modes, the problems of low synchronization precision, improper communication delay processing and the like in the prior art are effectively solved. The handshake sequence can be configured according to hardware interface characteristics, so that the adaptability of the method to different hardware platforms is enhanced; a dynamic delay mechanism ensures that synchronous operation can still be completed under different communication delay conditions, and the robustness of the system is improved; and multiple synchronization modes are supported, multiple stages such as power-on, reset and periodic operation of the system are adapted, and the flexibility and the stability of the system are enhanced.

The invention provides an aircraft hydraulic system power parameterization calculation method and system, and belongs to the technical field of aviation electromechanics, and the method comprises the steps: setting a corresponding user graph module for each hydraulic system user; setting attribute parameters for each user graph module, generating a plurality of hydraulic system user power special models, and forming a power calculation model library based on all the power special models; calling the special user power models in the power calculation model library according to the configuration condition required by the current hydraulic system, connecting the special user power models, and establishing a parameterization calculation model of the current hydraulic system; and based on the parameterization calculation model and the corresponding attribute parameters, parameterization calculation of the current hydraulic system is achieved. By means of the processing scheme, the accuracy and efficiency of aircraft hydraulic system power calculation can be remarkably improved, the calculation complexity is lowered, and errors possibly caused by manual calculation are reduced.

The utility model relates to a handheld fascia gun motor capable of being welded on two sides, which relates to the technical field of small-sized electromechanics and comprises a bearing bracket, a rotating shaft, a permanent magnet rotor, a bearing and a winding stator, rotating shafts are rotationally mounted at the head and the tail in the bearing bracket through bearings; the tail end of the rotating shaft is connected with the permanent magnet rotor, the permanent magnet rotor is arranged around the winding stator, and the winding stator is fixed on the bearing support; the motor further comprises a PCB wire passing plate, the PCB wire passing plate is arranged on the inner side face of the bearing support and fixed through fixing screws, the inner side face of the PCB wire passing plate is electrically connected with a three-phase winding of the winding stator through copper wires, and the UVW outgoing line is welded to the PCB wire passing plate and used for being electrically connected with the three-phase winding. Machine winding is convenient, process assembly is convenient, double-face welding can be achieved, and a winding copper wire is prevented from being pulled.

The utility model discloses a spiral carbon fiber centrifugal drive pipeline flaw detection robot, which relates to the technical field of pipeline flaw detection robots, and comprises a blunt unit, a detection unit, a window unit and a power unit, the detection unit comprises a disc which is arranged in the front end of the device, is provided with ultrasonic detection and is internally rotatable, and a small electromechanical device; the window unit comprises a device window part arranged at one end of the front end of the device, and an X-ray flaw detection assembly and an infrared flaw detection assembly which are arranged in the device window part; and the power unit comprises a device movement part arranged at one end of the device window part, and a deflection machine is arranged in the device movement part. According to the spiral carbon fiber centrifugal driving pipeline flaw detection robot, the robot is driven by the deflection machine to rotate spirally to advance in a pipeline, and the rotating direction of the deflection machine can be changed, so that the detection robot slows down or returns when encountering an obstacle which cannot pass through.

The electromachine includes a rotor body defining the rotor axis, the rotor body including a back iron, a plurality of shanks extending radially away from the back iron, and a plurality of pole caps, each detachably coupled to a corresponding one of the plurality of shanks. The back iron, the shanks, and the pole caps can be made of different materials, and the rotor is capable of changing the flow of magnetic flux to vary the number of poles of the motor. A retaining wrap, pre-tensioned, is provided to help fix the rotor components together and to allow for increased rotor speed. A retainer is positioned between the rotor body and the retaining wrap to compensate for thermal expansion and to keep the retaining wrap within a predetermined tension range.

The invention belongs to the field of aviation electromechanics, and relates to a FLASH data storage initial address searching method. According to the method, a two-stage strategy of positioning a sector first and then performing binary search in the sector is introduced, so that the speed of searching the FLASH storage address is remarkably improved, the problem of low search efficiency which puzzles the industry for a long time is solved, and the overall performance and reliability of FLASH data storage are greatly improved. The improvement is particularly suitable for avionics equipment with strict requirements on real-time performance and stability.

The application provides an electric tool, which belongs to the technical field of electromechanics, and comprises a shell, a driving mechanism, a clutch mechanism and an output shaft. The driving mechanism comprises a motor and the motor is used for outputting power. The clutch mechanism comprises a first clutch disc, a second clutch disc and an elastic element. The motor drives the first clutch disc to rotate, the first clutch disc can interrupt torque transmission to the second clutch disc, the elastic element is arranged around the output shaft, and one end of the elastic element biases the second clutch disc. A first sliding channel, an inclined slope, a second sliding channel and a step part are sequentially arranged on the first clutch disc or the second clutch disc. The second sliding channel is arranged in parallel or downwardly inclined from the inclined slope to the step part relative to a first plane. The output shaft is driven by the second clutch disc to rotate. The first plane is a plane where the other side of the clutch disc on which the second sliding channel is located. The application can reduce the influence of the reaction force on the user when the tool is clutched, improve the accuracy of the output torque and facilitate operation.

The utility model relates to the field of coal mine electromechanics, and discloses a coal mine electromechanical operation vibration monitoring device with an alarm mechanism, which comprises a control box, two sides of the control box are fixedly connected with fixing rods, the bottom ends of the fixing rods are provided with adjusting rods, the bottom ends of the adjusting rods are fixedly connected with mounting seats, and the mounting seats are fixedly connected with the alarm mechanism. A main control module is installed in the control box, four sets of sub-control modules are installed on the main control module, alarm modules are installed on the sub-control modules, and an alarm is installed at the top end of the control box. According to the coal mine electromechanical operation vibration monitoring equipment with the alarm mechanism, the vibration sensor is installed in an area needing to be detected, the vibration sensor can transmit a monitored signal to the sub-control module, the sub-control module transmits data to the main control module for analysis, and once the vibration frequency exceeds a preset value, the alarm mechanism gives an alarm. The main control module can drive the alarm module to enable the alarm to carry out flicker alarm and terminal alarm, and the problem of inconvenient and flexible detection alarm is solved.

The application relates to the field of electromechanics and provides a main shaft and a machine tool with the same. The main shaft comprises a shaft sleeve assembly, a shaft core and a bearing assembly, the shaft core is rotatably arranged in the shaft sleeve assembly through the bearing assembly, a rear end locking piece is fixedly connected with the rear end of the shaft core and is used for axially compressing and limiting the bearing assembly, an encoder gear is integrally arranged with the rear end locking piece and is located on the outer circumferential surface of the rear end locking piece, and an encoder is fixedly arranged in the shaft sleeve assembly and is located on the radial side of the encoder gear. The encoder is matched with the encoder gear to measure the angle of the main shaft. The rear end locking piece and the encoder gear are integrated into an integrated structure, the number of parts of the main shaft is reduced, the assembly is simple, the assembly efficiency is high, the cumulative error is small, the precision adjustment is easy, the assembly precision is high, the machining process is reduced, the machining cost is reduced, and the risk of circumferential rotation of the encoder gear is avoided.

A circuit breaker system includes a solar cell and a circuit breaker. The circuit breaker operates within a switchgear and comprises an electromechanics or electronic trigger mechanism that, when activated, activates the circuit breaker. The activated circuit breaker disconnects current flow within the switchgear. The solar cell activates the electromechanics trigger mechanism due to radiation from an electrical arc fault of the switchgear impinging upon the solar cell.

The double-redundancy electromechanical management system belongs to the technical field of aviation electromechanics, and comprises a first electromechanical management computer and a second electromechanical management computer, wherein the first electromechanical management computer and the second electromechanical management computer respectively comprise a first master control module and a second master control module; when the first master control module is normally working, the first power drive module preferentially executes a first instruction transmitted by the first master control module, and when the first master control module is faulty, the first power drive module executes an instruction of the second master control module; when the second master control module is normally working, the second power drive module preferentially executes a second instruction transmitted by the second master control module, and when the second master control module is faulty, the second power drive module executes an instruction of the first master control module, so that the system fault tolerance is improved.

The utility model relates to the field of assembly type electromechanics, and discloses a recoverable assembly type structural framework which comprises a main force bearing support, connecting pieces are installed on the side and the end of the main force bearing support, a recoverable support is installed on the side of the main force bearing support, and each connecting piece comprises a fastening bolt, a right-angle code, a vertical code, a triangular code and a square code. By adopting the design of the separable main bearing bracket and the recoverable bracket, not only can the flexibility and adaptability of the structure be improved, but also the tightness and reliability of the connection among the brackets can be ensured through the unified connecting pieces, the damage in the assembly and disassembly processes is reduced, the repeated utilization rate of materials is improved, and the production cost is reduced. And therefore, the environmental friendliness and economic benefits of the whole building are improved.

The application discloses a coal mine underground power supply distribution electromechanical optimization system, and relates to the technical field of underground electromechanics. The system comprises a multi-physical field sensing acquisition module, a hidden fault prediction module, an electromagnetic fingerprint positioning module, a hierarchical directional explosion-proof isolation module, a directional nondestructive recovery module and a data feedback correction module, realizes hidden fault prediction-precise positioning-directional isolation-safe recovery-closed loop optimization, and has the advantages that the multi-physical field sensing acquisition module captures electric, thermal, force and medium multidimensional data, the hidden fault characteristic extraction and prediction module identifies hidden dangers and trends in advance, the electromagnetic fingerprint positioning module accurately locks the fault source, the hierarchical directional explosion-proof isolation module directionally isolates the fault area, the safe detection module before recovery eliminates residual risks, and the directional nondestructive recovery power supply module realizes non-impact recovery. The system effectively solves the defects that the existing system cannot predict hidden faults, the fault isolation is extensive, and the recovery power supply is blind.

The application discloses a method and device for designing a disturbance rejection controller and a storage medium, and belongs to the field of electromechanics. The method comprises the following steps: building a motor control system based on feedforward field weakening control, building a disturbance rejection controller model and taking the model as a speed loop of the control system; replacing a nonlinear error feedback control law of a traditional disturbance rejection controller with a neural network, combining a Markov decision process with the disturbance rejection control, building a deep reinforcement learning model, taking the motor control system as an environment and the operation condition of the motor as a state, setting a reward according to a steady-state effect of the speed and an anti-interference ability, training the deep reinforcement learning model by using a double-delay deep deterministic gradient descent strategy, enabling an algorithm intelligent agent to autonomously learn the hyperparameter setting of the neural network, completing training of a new disturbance rejection controller model based on deep reinforcement learning, and obtaining an optimal scheme. The above method can solve the problems of a large number of parameters of the disturbance rejection controller and a limited application range of the nonlinear control law.

The application relates to the field of electromechanics and provides a main shaft and a machine tool with the same. The main shaft comprises a shaft sleeve assembly, a shaft core assembly, a front bearing assembly, a rear bearing assembly, a cylinder assembly, a rotary joint, a loose cutter assembly and a detection assembly. The loose cutter assembly of the main shaft has a central hole matched with the rotary joint, water is passed through the central hole, the cutter can be cooled, cutter loss is prevented, the service life of the cutter is improved, and machining precision is improved; compressed air is passed through the central hole, the taper hole of the main shaft can be cleaned; the detection assembly of the main shaft can identify the cutter carrying state of the main shaft, the accurate control of the main shaft is facilitated, machining quality and machining precision are improved, and the intelligent degree of the main shaft is improved; meanwhile, the cylinder assembly of the main shaft has a pneumatic cutter removing function, compressed air of the machine tool can be used to drive the loose cutter assembly to move, a hydraulic station can be cancelled, and cost saving is facilitated.

The utility model provides a construction robot and an electric tool, and belongs to the technical field of electromechanics. The chassis is arranged on the walking assembly and can move along with the walking assembly; the lifting device is arranged on the chassis and can ascend and descend on the chassis, the lifting device comprises a first-stage lifting assembly, a second-stage lifting assembly and a connecting assembly, and the top end of the liftable part of the first-stage lifting assembly is rigidly connected with the bottom of the second-stage lifting assembly through the connecting assembly; the first-stage lifting assembly can drive the second-stage lifting assembly to move; the mechanical arm is arranged on the lifting device, the lifting device can drive the mechanical arm to ascend and descend, and the mechanical arm can move around the lifting device at all angles; and the tool main body can advance and retreat under the driving of the mechanical arm, and the tool main body is used for executing an operation task. By arranging the multi-stage lifting assembly, the workable height and range of the construction robot can be improved, and the application range of the construction robot is widened.