780 results about "Servomotor" patented technology

A servomotor cylinder inner wall scratch robot self-adaptive additive and subtractive material repairing method based on three-dimensional measurement is characterized in that a six-axis mechanical arm is integrated with a line laser sensor and milling, laser cladding and constant-force grinding and polishing tools, and automatic repairing is achieved. A regular groove body is milled through a slicing method and a rectangular-ambulatory-plane strategy; a workpiece coordinate system is built at the bottom of the groove, a bow-shaped layered alternate path is adopted for filling materials, and the laser power and the powder feeding rate are adjusted by measuring, matching and correcting the path according to the characteristics of the groove; and finally, a surplus height boundary is scanned and extracted, a rough grinding path is generated with the scratch trend as the benchmark, fine polishing is conducted through a reciprocating zigzag strategy, parameters are dynamically adjusted in combination with closed-loop feedback, and smooth transition between a cladding layer and the original surface is achieved. The method solves the problems of long construction period and low precision of traditional repair, integrates multiple processes and high-precision measurement, improves the repair efficiency and quality, and is suitable for on-site rapid maintenance of hydroelectric equipment.

A hydroelectric generating set AGC and primary frequency control adjustment collaborative control method, comprising: introducing a governor primary frequency control action guide vane control deviation YPFC into a monitoring system of a hydroelectric generating set, incorporating the corresponding relationship between active power and guide vane opening under different working heads of the hydroelectric generating set into an AGC power control algorithm, performing AGC to track real-time the working head of the set and performing power-guide vane opening conversion and guide vane opening-power conversion on the basis of the working head of the hydroelectric generating set. The function of hydroelectric generating set AGC and primary frequency control in stabilizing the system load frequency can be fully but not excessively exerted. By means of the method, the function of AGC and primary frequency control in ensuring safe and stable operation of the system can be fully exerted, and faster adjustment of the unit can be achieved, thereby reducing guide vane servomotor fluctuation and active power frequency fluctuation during AGC and primary frequency control, reducing the operational intensity of control machinery of the set and the consumption of governor operating oil pressure, significantly reducing the maintenance costs, and reducing the risk of active power frequency oscillation in the system.

A payload delivery device configured to deliver an aircraft deployed payload along a flight path to a predetermined landing destination includes a support member configured to be removably attached to the payload, a flight control and navigation system module configured to control orientation of the plurality of control surfaces while the payload is travelling along the flight path to the predetermined landing destination, a control surface assembly module including a plurality of control surfaces, a rotor assembly including a plurality of rotor blades having a central axis of rotation, and a collective control assembly module including at least one collective servomotor configured to control a plurality of control linkages connected to the plurality of rotor blades.

The invention relates to the technical field of metal casting, and discloses a liquid die forging forming die which comprises a machine box, a top cover is connected to the top end of the machine box in a clamped mode, and a controller is fixedly installed on the outer side of the front end of the machine box. According to the liquid die forging forming die, in order to better carry out liquid die forging and save energy, the forming assembly and the cooling assembly are arranged, a servo asynchronous motor is started, a threaded sleeve is made to rotate through transmission, a threaded rod transversely moves, a male die and the like are driven to move, a conical column enters a conical groove, and liquid die forging is completed in cooperation with a female die, so that a through hole is formed in the center of a workpiece; cooling water is conveyed to the T-shaped pipe through the conical hopper, the servo motor is started, the round sleeve and the auger rod are made to rotate through transmission, the cooling water passes through the round groove and the water inlet groove, is input into the arc-shaped groove and the vertical groove to take away heat, cools the fixed template and then is discharged through the water outlet groove, the heat of the servo asynchronous motor and the servo motor can also be taken away, and therefore extra cooling equipment is reduced, and more energy is saved.

The invention relates to the technical field of carbon sink metering and monitoring, and discloses a forest soil carbon sink metering and monitoring device which comprises a vehicle body and a mounting plate, a turntable is rotatably connected in the mounting plate, a sampling cylinder is fixedly mounted on the inner wall of the turntable, and a mounting frame is fixedly mounted at the top of the mounting plate. According to the forest soil carbon sink metering and monitoring device and method, the excavation sampling assembly is arranged, and after the excavation sampling assembly is used, under starting of a servo motor and meshing transmission of an inner gear ring and a transmission gear, a plurality of excavation shovels can rotate to the lower surface of a sampling cylinder together; according to the soil sampling device, a plurality of digging shovels are arranged in the sampling barrel, and are matched with starting of a servo motor and meshing transmission of a driving gear and an outer gear ring to rotate around the axis of the sampling barrel together, so that soil in the sampling barrel is separated from soil in a sampling area, and cylindrical sampling soil in the sampling barrel can be completely taken out under lifting of the plurality of digging shovels; and the accuracy of forest soil carbon sink metering and monitoring data is ensured.

The utility model relates to the technical field of electric power emergency communication, in particular to a portable electric power emergency communication transmission device. According to the technical scheme, the device comprises a storage box, a signal transmission mechanism and a lifting seat, a rotating disc is rotationally installed at the top in the lifting seat, a gear ring is fixedly installed at the bottom of the outer side of the rotating disc, a fluted disc is installed on one side of the gear ring in a meshed mode, a servo motor is fixedly installed at the top of the fluted disc, and the signal transmission mechanism is fixedly installed at the top of the rotating disc. According to the utility model, the servo motor is electrified to operate, the fluted disc is matched with the meshed gear ring to drive the turntable to rotate, the rotating turntable can adjust the signal receiving direction of the signal transmission mechanism, and meanwhile, the signal transmission mechanism transmits a received electric signal to the signal detector for calculation; and the direction of the signal transmission mechanism is adjusted according to the signal intensity calculated by the signal detector, so that the function of automatically adjusting the signal transmission mechanism to receive the signal at the maximum intensity is realized, and the stability of signal receiving is ensured.

The utility model relates to the technical field of low-speed wire feeding machine tools, and discloses a low-speed wire feeding machine tool with cooling and dustproof functions, which comprises a machine body and a connecting rod, the front side of the top of the machine body is fixedly connected with a hollow frame, the left end and the right end of the bottom of the inner side of the hollow frame are fixedly connected with hollow plates, and the front sides of the hollow plates are rotatably connected with two-way screw rods; the rear ends of the two-way lead screws penetrate through the hollow plates, the front sides and the rear sides of the outer walls of the two-way lead screws are in threaded connection with movable blocks, one sides of the movable blocks are rotationally connected with first rotating shafts, and the adjacent sides of the two hollow plates are provided with clamping plates. According to the clamping device, the rotating rod can be driven by the servo motor to rotate, the driving bevel gear can rotate along with the rotating rod, the driven bevel gear can also rotate along with the rotating rod, at the moment, the clamping plates on the two sides can move towards the middle to limit and clamp a workpiece to be machined, and the workpiece to be machined is not prone to shaking and shifting due to the influence of external factors in the machining process; therefore, the machining quality of the workpiece is ensured.

The invention relates to the technical field of blade polishing, and discloses a self-adaptive polishing device capable of reducing shaking during polishing, which comprises a gear diverter and a coupling fixed at the input end of the gear diverter, one end of the coupling is connected with a servo motor, and one end of the gear diverter far away from the coupling is provided with a bracket; a fixing base is arranged in the direction, away from the gear reverser, of the supporting frame, a rotating shaft is fixed to the inner side of the fixing base, the outer side of the rotating shaft is sleeved with a grinding cylinder through a bearing, and a servo motor is fixed to the inner side of the grinding cylinder; the blowing lowering part is arranged above the grinding cylinder; the wiping part is arranged above the grinding cylinder; the maintenance part is arranged on the blowing reducing piece and is connected with the wiping piece; the blowing lowering part is arranged above the polishing barrel to spray water mist and high-pressure air in the contact direction of the polishing barrel and the blades, floating dust is captured, dust falling is conducted, adhered dust and scraps are blown off, and the working efficiency is improved.

The invention discloses a dyeing machine cloth guide wheel set structure capable of preventing cloth winding, and relates to the technical field of dyeing machines. A support frame is fixedly mounted at the top of the dyeing machine through bolts; the use method of synchronous driving and preliminary guiding, air film resistance reduction and dynamic supporting, intelligent wrinkle detection and smoothing deviation correction and secondary smoothing and adhesion separation is adopted, the front guide roller, the adjusting guide roller and the rear guide roller are synchronously driven by a servo motor to convey cloth, and the cloth is conveyed by the front guide roller, the adjusting guide roller and the rear guide roller. According to the multi-dimensional cooperative anti-wrinkling and anti-winding system, the multi-dimensional cooperative anti-wrinkling and anti-winding effects are achieved through the cooperative effect of three core dimensions of tension control optimization, active path deviation correction and physical separation adhesion on the whole, and the anti-wrinkling and anti-winding effect is achieved through the multi-dimensional cooperative anti-wrinkling and anti-winding effect of the multi-dimensional cooperative anti-wrinkling and anti-winding system, so that the multi-dimensional cooperative anti-wrinkling and anti-winding effect is achieved. And the risks of wrinkle formation and subsequent winding of the cloth in the cloth guiding process are efficiently eliminated.

The utility model discloses a pipe network leakage detection device which comprises a bottom frame, a servo motor, a display control mechanism, a detection probe and a double-end servo motor, a support is fixedly connected to the middle of the upper surface of the bottom frame, and the servo motor is fixedly arranged on the upper surface of the bottom frame on the side of the support. A display control mechanism is fixedly installed at the upper end of the support, a positioning frame is fixedly connected to the end face of the base, a detection probe is fixedly arranged at the lower end of the positioning frame, a double-head servo motor is fixedly installed in the middle of the inner wall of the upper end of the bottom frame, and transmission rods are fixed to the two ends of an output shaft of the double-head servo motor correspondingly; and an adjusting structure is installed on the outer wall of the transmission rod, supporting rods are installed at the four corners of the lower surface of the transmission plate correspondingly, and square sleeves are fixedly installed at the lower ends of the supporting rods. According to the pipe network leakage detection device, the height of the chassis can be conveniently adjusted, so that the device can conveniently move on a rugged road surface.

The invention relates to the technical field of power tool turrets.The single-servo-motor power tool turret comprises a power tool turret body, one side of the power tool turret body is connected with an air cylinder box, one end of the power tool turret body is connected with a tool disc, and a connecting tool apron is arranged on the tool disc; a driving connecting rotary disc and a transmission connecting rotary disc are sequentially arranged on the side, close to the power tool turret body, of the tool disc, a motor connecting block is connected to the side, away from the tool disc, of the power tool turret body, and a driving motor and a driving assembly are connected to the side, away from the power tool turret body, of the motor connecting block. The device is compact in structure, the function switching work can be completed through driving of a single motor, electrical interference of signals is avoided, the function switching of tool bit driving work and tool switching on a tool disc is rapid and convenient, and during switching, through insertion and meshing of gears in the vertical direction, compared with insertion and embedment of bevel gears, the function switching efficiency is greatly improved. The gear meshing position is not prone to dislocation, and safety is higher.

The utility model discloses an intelligent fire inspection robot detection system for laser detection of gas leakage, including an electric-controlled crawler chassis, a control device, a laser gas detector, a servo motor and a fire extinguishing device. The utility model is driven by the electric-controlled crawler chassis to move in the inspection area, and the second visual sensor box ranging radar ensures the safety during movement. The fan blows the surrounding air into the detection box, and the laser gas detector inside the detection box analyzes and detects. The flame sensor can detect the fire in time, and realize intelligent inspection operations. A mechanical arm with a mechanical gripper is set on one side of the main control box. Through the control device and the first visual sensor and the second visual sensor, the functions of opening and closing doors and transferring materials can be realized at the inspection site, further improving the functionality of the inspection robot.

The atomization device of the plant protection unmanned aerial vehicle for citrus planting comprises a top mounting base and a connecting arm, two through holes are symmetrically formed in the lower portion of the top mounting base, a first fixing hole is formed in the top of the connecting arm, and a connecting rod slidably penetrates through the first fixing hole and the two through holes jointly; through cooperative use of the suction mechanism and the heat dissipation mechanism, rapid heat dissipation of the servo motor is achieved, sucked air enters the bottom shell through a one-way valve, the interior of the bottom shell is pressurized, centrifugal atomization of the atomization mechanism is matched, pressurized atomization and centrifugal atomization are achieved, the atomization effect is good, and the service life of the servo motor is prolonged. The water flow is preliminarily segmented by the first segmentation fin, the second segmentation is performed by the cutting column, and the third segmentation is performed by the second segmentation fin, so that the multi-stage segmentation of the water flow is realized, the atomization effect is further improved, and the coaxial opposite rotation of the first-stage atomization assembly and the second-stage atomization assembly can be realized by the single servo motor.

The invention discloses an axial flow water turbine water guide mechanism and a using method, the axial flow water turbine water guide mechanism comprises an upper ring seat (1) and a lower ring seat (2), a plurality of guide vanes (3) are arranged between the upper ring seat (1) and the lower ring seat (2), rotating shafts (4) are arranged in the middles of the upper end and the lower end of each guide vane (3), a driving ring (5) is rotatably connected to the upper ring seat (1), and servomotors (6) are connected to the two sides of the driving ring (5). The upper ends of the rotating shafts (4) are connected with the driving ring (5) through a first connecting rod (7) and a second connecting rod (8), and a linkage mechanism connected with the lower ends of all the rotating shafts (4) is arranged at the bottom of the lower ring seat (2); the linkage mechanism comprises a plurality of adapter plates (9), the adapter plates (9) are fixed to the lower ends of the rotating shafts (4) respectively, third connecting rods (10) are arranged between the adjacent adapter plates (9), and the third connecting rods (10) are hinged to the adapter plates (9). The method has the advantage of being low in maintenance frequency.

A sound-recognition-based method for monitoring an operating condition abnormity of an oil pump electric motor and outlet pipes thereof. Applying soundprint recognition technology to a speed-regulating hydraulic system of a hydropower station, and rational layout of on-site soundprint sensors realize real-time monitoring of operating conditions of an oil pump electric motor and outlet pipes thereof, thereby improving the intelligence level of device management, and achieving an industrial demonstration effect. By means of deep learning analysis of a soundprint fault sample library combined with multi-dimensional factors such as pressure, liquid level and temperature, a soundprint-recognition-based multi-dimensional-factor logical determination process for abnormal operating conditions of an oil pump electric motor and outlet pipes is designed, such that real-time monitoring and rapid locating of abnormal operating conditions such as base vibration, lubricating oil deficiency in an oil pump electric motor, pump body blade fracture, check valve malfunction, incomplete closure or internal leakage of a drain valve, frequent loading and unloading of an oil pump, and servomotor pipe pulsation are realized, so as to promptly use response measures such as automatic switching of main and standby oil pump electric motor units or automatic adjustment of unit load. Using soundprint sensors and soundprint recognition technology to monitor the state of on-site devices in real time eliminates uncertainties in manual inspection, and improves the fault diagnosis and analysis efficiency.

A storage system comprises a rack defining a plurality of storage locations arranged one above the other, trays removably stored at the storage locations, and an elevator configured for moving a selected tray between its assigned storage location and a retrieval space below the storage locations. The storage locations are formed by pairs of horizontally opposite spaced apart rails with inwardly projecting sidewalls on which a tray can be rested. The elevator comprises a platform configured to carry and transfer the trays to and from the rack, and a drive system configured to move the platform that includes a servomotor. The platform carries optical sensors used cooperatively with the servomotor to detect a selected storage location of a tray to be stored or retrieved. Upon input of a selected storage location, the platform is displaced initially at a high speed until reaching a vertically offset position relative to the selected storage position detected using the servomotor, and therefrom at a low speed until sidewalls of the rails of the selected storage location are detected using the optical sensors.

The invention relates to a method for controlling a door or flap drive of a motor vehicle, wherein an actuating movement of an actuator (39) of the door or flap drive (38) is triggered by means of a control (42) if the following conditions are met: the rate of increase (S1) of an output signal (F) of a sensor (18) lies within a predetermined value range (S0; S2) and the output signal (F) of the sensor (18) is greater than a predetermined threshold value (F1) within a predetermined time interval (t1; t2); in addition, at least one safety condition of a safety device (41) is met.

The present invention relates to a computer-implemented method for controlling the operation of a robotic prothesis. The method is carried out by receiving and processing EMG and EEG signals received from a user and sending said signals to a nanocomputer, wherein artificial intelligence and specific algorithms interpret the received signals and activate different servomotors, thus allowing the robotic prothesis to move. Furthermore, additional sensors for protecting the user, an inertial measurement unit (IMU), a virtual assistant and a failure diagnosis and loading system are included. The method is managed via a computer program that is loaded into the nanocomputer.

There is provided torque control circuitry (200; 300; 400; 600) for an articulated robot (1). The torque control circuitry is configured to: receive a signal representing monitored torque (τs) at at least one joint of the articulated robot and a signal representing a setpoint torque (τa,ref) for the at least one joint, wherein the setpoint torque has been predetermined to compensate at least partially for at least one physical effect which occurs at the at least one joint during use of the articulated robot; process the monitored torque and the setpoint torque to produce a control signal (τmot) for controlling a servomotor of the articulated robot to generate the setpoint torque at the at least one joint; and output the control signal to drive circuitry of the servomotor, wherein the torque control circuitry comprises a first feedback path (202) configured to implement a first controller function (302), wherein the first controller function is configured to amplify gain (208) in the first feedback path to a larger extent in a first frequency range than in a second frequency range, and wherein the first frequency range comprises frequencies associated with the at least one physical effect which occurs at the at least one joint during use of the articulated robot.

The utility model discloses a mixing machine for modified plastics, which relates to the technical field of modified plastic processing and comprises a mixing tank body, a support frame is fixedly connected outside the lower end of the mixing tank body, a discharge pipe is arranged at the lower end of the mixing tank body, and a valve is arranged on the outer side of the discharge pipe. A fixed ring plate is fixedly erected on the outer surface of the upper end of the mixing tank body, a feeding mechanism is arranged on the fixed ring plate, and a mixing mechanism is arranged in the mixing tank body. Materials with different proportions and categories are classified and quantitatively stored through the material storage tank, the servo motor, the connecting rod and the material conveying blade are arranged in a matched manner, and scales additionally arranged on the outer side of the material storage tank are observed, so that the accuracy of the raw material input proportion of the mixing machine is improved, meanwhile, the material adding speed is increased, material blockage is prevented, and the production efficiency is improved. Effective mixing of subsequent modified plastics is improved, and the processing quality of the mixing machine on the modified plastics is enhanced.

Sensorless method for chatter detection in machine tools. When the machine tool spindle is running, a spindle motor torque signal is analyzed in the time domain to determine whether an insert is currently machining a workpiece. If it is not machining, an air-cut reference signal is stored for later use. If it is machining, the spindle motor torque signal, along with positioning servo motor signals, is converted to the frequency domain and filtered. Filtering steps include eliminating the air-cut reference signal by spectral subtraction, eliminating harmonic components of the spindle, eliminating artificial peaks due to aliasing effects, and eliminating artificial peaks due to encoder error effects.After filtering, indicator criteria are evaluated to detect chatter. These criteria include the magnitude of the filtered torque signal for servo motor data and the ratio of the filtered torque signal to the air-cut reference signal for spindle data. If chatter is detected, corrective actions are taken.

The utility model relates to a tubular product clamping transfer mechanism and laser pipe cutting machine, including tubular product placing rack, the tubular product placing rack is internally and fixedly connected with a placing plate, the tubular product is placed on the top of the placing plate, the top of the tubular product placing rack close to one end is fixedly connected with a fixed shell, one side of the fixed shell is fixedly connected with a servo motor, and the servo motor is fixedly connected with a servo motor. The output end of the servo motor is in transmission connection with a lead screw, the lead screw rotationally penetrates through the fixing shell, two sections of threads opposite in rotation direction are arranged on the outer circumferential face of the lead screw, sliding blocks are in threaded connection with the two sections of threads on the outer circumferential face of the lead screw, and two linear rails are fixedly connected to the inner bottom wall of the fixing shell. The utility model relates to the technical field of pipe processing. According to the utility model, the fixed roller and the driving roller are close to and far away from each other through forward and reverse rotation of the servo motor, so that a pipe is clamped and loosened, the precision is high, durability is realized, the response speed is high, and the influence of unstable air pressure is avoided; and then the motor works to drive the driving rollers to rotate, so that the pipes are transferred.

The invention provides a fatigue testing machine and a testing method thereof, and relates to the technical field of fatigue testing equipment.The fatigue testing machine comprises a control device, a clamping device, a fixing device, an adjusting device and a load bearing structure, and the clamping device is electrically connected with the control device; the fixing device is used for fixing sample positions; the fixing device is arranged on the adjusting device and is movably connected with the adjusting device; the load bearing structures are arranged on the two sides of the adjusting device and are detachably connected with the sample; wherein the clamping device comprises a lifting device, a servo motor and a pneumatic clamp, the lifting device is fixedly connected with the pneumatic clamp, the servo motor is arranged on the pneumatic clamp and fixedly connected with the pneumatic clamp, and the servo motor and the pneumatic clamp are electrically connected with the control device. The fatigue testing machine can better simulate the stress state and the fatigue performance of the shoelace rotating buckle in the actual use process, further accurately evaluate the durability and the fatigue life of the shoelace rotating buckle, and improve the accuracy of a fatigue test result.

The invention relates to a deviation rectifying device and method applied to amorphous strips and relates to the technical field of amorphous strip deviation rectifying, the deviation rectifying device comprises a workbench, an unwinding frame is arranged on one side of the top of the workbench, an unwinding roller is arranged on the top of the unwinding frame, and a winding frame is arranged on the side, away from the unwinding frame, of the workbench; a winding roller is arranged at the top of the winding frame, an adjusting mechanism is arranged between the unwinding frame and the winding frame, and the adjusting mechanism comprises a fixed frame, a movable connector, an adjusting frame, an electric telescopic rod and a guide roller shaft; the servo motor drives the two-way threaded rod to rotate, the two-way threaded rod rotates to drive the two moving blocks to rotate in the opposite directions, and the moving blocks move to drive the connecting rings to do synchronous translational motion so as to drive the adjusting cylinders on the two sides to do translational motion in the opposite directions; therefore, the overall width of the center roller and the adjusting cylinder is adjusted so as to conduct amorphous strips with different widths.

The invention provides a hydraulic system structure capable of detecting internal leakage of an isolating valve and an internal leakage detection method, relates to the technical field of mechanical design of hydraulic systems, and solves the limitation problem that an existing detection mode is time-consuming and labor-consuming. The hydraulic system structure is sequentially connected with an isolating valve, a main distributing system oil source pipeline and a main distributing valve from a pressure oil tank; the main distributing valve is connected with a first servomotor and a second servomotor, the first servomotor and the second servomotor are both connected to the control ring, and the main distributing valve is further connected to the oil collecting tank through a cavity closing oil return pipeline. The isolating valve is further connected with a control valve, the control valve is provided with an oil supply port P, an oil return port T, a first working port A and a second working port B, the oil return port T is connected to the oil collecting groove through an oil discharge main pipeline, the first working port A is communicated with a closed piston cavity of the isolating valve, and the second working port B is communicated with an open piston cavity of the isolating valve; whether the isolating valve has an inner leakage fault or not can be quickly and conveniently determined by detecting whether the oil discharge main pipeline leaks oil or not.

The utility model relates to the technical field of aluminum alloy doors and windows, and discloses a multi-cavity thin-wall frame heat insulation aluminum alloy door and window which comprises a glass body, a cleaning mechanism is arranged on the front side of the glass body, an installation mechanism is arranged on the outer side of the glass body, and the cleaning mechanism comprises a first installation box. And a second mounting box is fixedly connected to the left side of the glass body, a servo motor is fixedly connected to the interior of the first mounting box, and an output shaft of the servo motor is fixedly connected with a threaded rod. According to the multi-cavity thin-wall frame heat insulation aluminum alloy door and window, when dust exists on the front side glass, a servo motor is started to drive a threaded rod to rotate forwards, a cleaning brush moves downwards close to the front side glass under the driving of a threaded block and the limitation of a sliding block, and when the servo motor drives the threaded rod to rotate reversely, the cleaning brush moves upwards to clean the dust on the front side glass; through mutual cooperation of the structures, automatic cleaning and brushing of the glass can be achieved.

The present invention belongs to the technical field related to brake disc unloading, and is particularly a device for automatic unloading of brake discs, including a conveying roller, an unloading manipulator and a supporting frame, wherein an induction motor is installed in front of the conveying roller, and a transmission mechanism is provided on the rear side of the conveying roller, a guide rail is installed on the inner wall of the transmission mechanism, and a parallel moving base plate is provided on the upper side of the guide rail, and a drag chain is connected to one side of the parallel moving base plate, and the unloading manipulator is fixed above the parallel moving base plate. The present invention sets a servo motor and an extension rod servo module, and when the brake disc is detected to be in place, the overall extension rod servo module moves synchronously with the overall hanging, and when the parallel moving base plate moves to a suitable position, the extension rod servo module moves in the overall Z axis, and the X-axis clamping shaft moves synchronously to clamp the brake disc into the groove on the clamping claw, thereby grabbing the brake disc.

The invention relates to the technical field of water turbine generator set installation and maintenance, and discloses an intelligent water turbine runner test device and method, and the device comprises a hydraulic control unit which is used for providing and adjusting pressure oil for a constant-pressure cavity, an opening cavity and a closing cavity of a water turbine runner; and the main controller is used for receiving a user instruction, calling an automatic control logic according to a selected test item, driving the hydraulic control unit to execute a corresponding oil path action, and receiving and processing the cavity pressure of the runner hub, the servomotor stroke and the blade rotation angle parameter which are acquired in real time so as to automatically complete the runner test item specified by the national standard. The test process is automatically executed through the main controller, and frequent manual operation is replaced by simple clicking, so that the labor intensity of operators is greatly reduced.

A method is for decelerating a servomotor of a steering device. The steering device includes a control unit for controlling the servomotor, monitoring electronics for monitoring a movement of the servomotor, and an energy store. The energy store has a different configuration from a vehicle battery. The method includes activating the energy store by an external force, and monitoring a movement of the servomotor caused by the external force by evaluating a movement parameter correlated with the movement of the servomotor. The method further includes, in at least one operating state, triggering a deceleration process as a function of the movement parameter, in which deceleration process the servomotor is decelerated using the control unit, the energy store is charged by the movement of the servomotor, and the energy store is used to supply energy to the control unit and the monitoring electronics.

The invention provides a servo motor and a semiconductor device. The servo motor includes a motor and an encoder. A shell of the motor is provided with a first vent hole. A stator of the motor is arranged in the shell. A rotating shaft of the motor is arranged in the shell and rotates under the electromagnetic action of the stator. The rotating shaft is partially hollow and is provided with a second vent hole for air to circulate in the first vent hole and the second vent hole. The encoder is arranged in the shell, detects rotation information of the motor and encodes the rotation information into a signal. And the accuracy and the service life of the encoder are maintained by the independent sealed space. In addition, the vent hole of the motor can be connected with a vacuumizing device to generate a negative pressure adsorption effect.