185results about How to "Movement precision" patented technology

The invention discloses an immersive master-slave teleoperation anthropomorphic robot system with force feedback, a master end assembly comprises a seat, a master end control arm, a force feedback manipulator, a VR visual device, a data sensing glove and a master end controller, and the master end assembly is a master control end; the slave end assembly comprises a movable chassis, a movable trunk, a slave end mechanical arm, a slave end manipulator, a binocular camera and a slave end controller, and the slave end controller is in electric signal connection with the movable chassis, the movable trunk, the slave end mechanical arm, the slave end manipulator, the binocular camera, the six-dimensional torque sensor and the master end controller; the wireless controller is in electric signal connection with the master end controller and the slave end controller, the wireless controller has a slave end control mode and a force feedback teleoperation mode, and in the slave end control mode, the wireless controller controls the movable chassis to move; in the force feedback teleoperation mode, the master end control arm and the force feedback mechanical arm synchronously move with the slave end mechanical arm and the slave end mechanical arm correspondingly.

The invention relates to the technical field of transformer iron core production, in particular to iron core lamination equipment which comprises a pedestal, a rotating table is arranged in the center of the top of the pedestal, and a stacking tool is arranged at the top of the rotating table; the two material storage grooves are formed in the top of the pedestal respectively and correspond to the two opposite sides of the rotating table; the portal frame is fixedly arranged at the top of the pedestal, and the portal frame is provided with a horizontal lifting cross beam corresponding to the rotating table and above the two storage tanks; each reciprocating sliding block is arranged at the bottom of the lifting cross beam and horizontally reciprocates between the corresponding storage tank and the rotating table; and the multiple telescopic suction cups are distributed at the bottoms of the reciprocating sliding blocks, and the telescopic suction cups communicate with the vacuum pump through vacuum pipes and control valves. According to the equipment, manual position adjustment is not needed, and industrial accidents such as hand clamping of a steel plate are avoided, so that the production cost of the transformer iron core is reduced, and the product quality and the production efficiency are improved.

The invention provides an ionizing pressure sensor preparation method, a pressure sensor, a pressure sensing glove and a monitoring system, and relates to the technical field of flexible sensors, and the method comprises the following steps: S1, preparing a microstructure electrode by using degradable elastic polyester particles (BEP particles) and PLA particles as raw materials through a method of combining electrostatic spinning and electrostatic spraying; s2, preparing an ionic dielectric layer by using degradable elastic polyester particles and ionic liquid; s3, performing face-to-face assembly on the microelectrode and the ionic dielectric layer to obtain an ionization pressure sensor (NIPS); the nanofiber membrane-based flexible pressure sensor which is low in cost, easy to batch, green and degradable is prepared, meanwhile, the device is combined with a rehabilitation glove, the flexible design enables the pressure sensor to be better attached to the hand, and the wearing comfort and the accurate sensing of hand actions are improved.

The invention provides an intelligent and accurate fruit picking method based on visual perception, relates to the field of fruit picking, and adopts a picking robot comprising a movable chassis (1), a walking mechanism (2), an industrial computer (3), a collecting frame (4), a picking mechanical arm (5), an end effector (6), a monocular vision camera (7), a binocular stereo camera (8) and a blowing assembly (9). According to the picking robot, through recognition of the binocular stereo camera (8), by means of blowing of the blowing assembly (9) and through a timestamp, the relative motion state between a picking point and sheltered fruits after blowing is obtained, and therefore sensing and precise clamping and shearing of the picking point in the motion state are achieved under the condition that the fruits are sheltered and subjected to complex motion after sheltering is removed; the picking efficiency is improved, the equipment damage probability is reduced, and the harvesting cost is controlled.

The invention relates to the technical field of household cleaning, and discloses a floor brush and cleaning equipment, the floor brush comprises a shell, a rolling brush, a dirt scraping mechanism and a driving device, and the dirt scraping mechanism is used for scraping dirt on the rolling brush; the driving device is in transmission fit with the dirt scraping mechanism and is used for driving the dirt scraping mechanism to move between a dirt scraping position in contact fit with the rolling brush and an avoiding position in clearance fit with the rolling brush; the cleaning equipment has a working mode and a self-cleaning mode; when the cleaning equipment is in the working mode, the driving device drives the dirt scraping mechanism to move to a dirt scraping position; when the cleaning equipment is in the self-cleaning mode, the cleaning equipment is located in the base station, and the driving device drives the dirt scraping mechanism to move to the avoiding position. In the self-cleaning process, the driving device can drive the dirt scraping mechanism to move to the avoiding position in clearance fit with the rolling brush, so that the dirt scraping mechanism is separated from the rolling brush, friction between the dirt scraping mechanism and the rolling brush is reduced, the service life of the rolling brush is prolonged, the replacement frequency of the rolling brush is reduced, and the replacement cost is saved.

The invention provides a robot teleoperation control system and method, and relates to the technical field of robots. The robot teleoperation control system comprises teleoperation equipment, control equipment and a controlled robot, the teleoperation equipment comprises an isomorphic body with the same joint configuration as a controlled structure of the controlled robot, the teleoperation equipment is in communication connection with the control equipment, and the control equipment is in communication connection with the controlled robot; the teleoperation equipment is used for generating motion information according to the operation action of a user on the isomorphic body and sending the motion information to the control equipment; the control equipment is used for generating a motion control instruction of the controlled robot according to the motion information and based on a joint mapping relation between an isomorphic body of the teleoperation equipment and a controlled structure of the controlled robot, and sending the motion control instruction to the controlled robot; and the controlled robot is used for executing the same action as the isomorphic body action of the teleoperation equipment according to the motion control instruction. The robot teleoperation control precision can be improved.

The utility model discloses a compact automatic assembling and detecting device. Comprising an automatic feeding device, an automatic assembling device, an automatic detecting device, a feeding robot for clamping parts from the automatic feeding device to the automatic assembling device, and a product transferring robot for transferring products assembled by the automatic assembling device to the automatic detecting device, the automatic assembling device comprises an assembling table, an assembling rotary disc arranged on the assembling table, a direct driving motor for driving the assembling rotary disc to rotate, a positioning carrier arranged on the assembling rotary disc, an automatic oil coating mechanism, an automatic overturning mechanism, a spring detection mechanism, a multifunctional overturning clamping jaw and a movable pressing mechanism, wherein the automatic oil coating mechanism, the automatic overturning mechanism, the spring detection mechanism, the multifunctional overturning clamping jaw and the movable pressing mechanism are arranged on the periphery of the assembling rotary disc. The floor area of an automatic assembly production line can be reduced; a direct driving motor is used as a transmission mode, the carrier moves accurately, and belt abrasion is avoided; the station number of the production line can be freely adjusted and can be set according to actual needs.

The invention relates to the technical field of sensor verification and calibration, and discloses a laser Doppler velocimeter-based mileage sensor verification and calibration system, which comprises a support table, a laser Doppler velocimeter, a roller, a mileage sensor, a standard object, a data acquisition and processing system and a control system. Compared with the prior art, the device has the advantages that the detected mileage sensor is mounted on the fixed shaft with the same diameter as an actual wheel, the motor drives the fixed shaft to rotate and drives the mileage sensor to rotate along with the roller, and a laser beam emitted by the laser Doppler velocimeter irradiates a standard object; the mileage sensor records the number of turns of rotation of the standard object and outputs corresponding mileage signals, errors of the mileage sensor are calculated through analysis and processing of the data collecting and processing system, errors existing in the mileage sensor are calculated, and compensation is carried out by adjusting parameters of the mileage sensor or using polynomial fitting and other methods.

The utility model discloses a frying and baking machine, which belongs to the technical field of kitchen appliances, solves the problem of inaccurate temperature detection of a temperature controller, and adopts the technical scheme that the frying and baking machine mainly comprises a baking tray component, the baking tray component comprises a baking tray, a shell, a heating pipe and the temperature controller, the heating pipe is used for heating the baking tray, and a first heat-insulating cavity is formed between the baking tray and the shell; the heating pipe is located in the first cavity, the shell is provided with a heat-insulating second cavity, the cavity wall of the second cavity is provided with an avoiding through hole, the temperature controller is arranged in the second cavity and comprises a temperature sensing part, and the temperature sensing part penetrates through the avoiding through hole, extends into the first cavity and is attached to the baking tray. The baking tray is mainly used for enabling the temperature detected by the temperature controller to be closer to the actual temperature of the baking tray.

The invention relates to the technical field of hardware equipment, in particular to a system for rapidly generating a motion envelope of an automobile chassis suspension spring. The method comprises the following steps: firstly, acquiring multi-modal spring data in real time by using a multi-modal sensor array; secondly, the deviation of the multi-mode spring data is identified; correcting the multi-mode spring data according to the error; and performing multi-dimensional data fusion on the multi-modal spring data to generate fused data. Then, carrying out data processing on the fused data by utilizing edge calculation to obtain time-frequency characteristics; and generating a spring motion envelope by using a motion envelope parallel optimization method based on the time-frequency data. Thirdly, smoothing data in a spring motion envelope window, and removing abnormal fluctuation values; and finally, continuously monitoring the working state of each unit, and evaluating the coordination degree of each unit in real time. And the corrected control parameters are transferred back to each unit through a feedback loop for adjustment. According to the method, computing resources can be reduced, and the spring motion envelope generation efficiency and accuracy can be improved.

The invention relates to the technical field of experimental instruments, and discloses an oscillation driving device and a culture device. The oscillation driving device includes: a base plate; the motor is arranged below the bottom plate; the eccentric shaft assembly is arranged above the bottom plate, the eccentric shaft assembly comprises a rotating shaft and an eccentric shaft which are eccentrically arranged, and the rotating shaft penetrates through the bottom plate to be connected with the motor; the driving plate is arranged above the eccentric shaft assembly and is connected with the eccentric shaft; and the fixing mechanism is located between the driving plate and the bottom plate, a limiting part is limited by the fixing mechanism, and the limiting part is matched with the eccentric shaft assembly and / or the driving plate so that the eccentric shaft assembly can drive the driving plate to move along a preset track. Therefore, the oscillation driving device is directly driven by the motor, the transmission loss is reduced, and the noise is reduced.

The invention relates to the technical field of robot obstacle crossing, and discloses a method and system for achieving industrial data distributed multi-level cache consistency, and the method comprises the steps: obtaining obstacle data, and controlling a robot to decelerate and stop in advance when approaching an obstacle; walking arm obstacle crossing is conducted according to the sequence of the front-end walking arm and the rear-end walking arm; and obstacle crossing of the auxiliary arm is carried out, and after the auxiliary arm crosses obstacles and rewiring is carried out, obstacle crossing control of the robot is completed. According to the invention, through the multi-sensor fusion technology combining the camera and the laser radar, the recognition precision and the positioning accuracy of the complex obstacle on the power transmission line are improved. Besides, D-H connecting rod modeling and a robust PD control method are adopted, coordinated movement of the walking arm and the auxiliary arm is achieved, the robot is kept balanced in the obstacle crossing process, the stability is improved, the risk of attitude instability or structure looseness in the obstacle crossing process is reduced, and the safety and the working efficiency of the hot-line work robot are improved.

The invention discloses a teaching experiment device for dendrobium officinale flavone extraction and concentration, and the device comprises a separation column which is vertically fixed on the side surface of a supporting frame, and the separation column is internally provided with a reaction liquid; a plurality of groups of sampling wheels are vertically arranged on the side, away from the supporting frame, of the separation column, the axes of the sampling wheels are vertically arranged, a driving assembly is arranged on the axis sides of the sampling wheels, and sampling grooves are formed in the upper portions of the sampling wheels; according to the invention, the sampling wheels are vertically arranged on one side of the chromatographic column, and each sampling groove can accurately enter different depth areas of the chromatographic column, so that sampling is carried out in different time periods of the concentration process. According to the device, a closed concentration environment and an automatic sampling mechanism are adopted, the problem of potential safety hazards caused by frequent opening and closing of the device is avoided, meanwhile, the experiment operation difficulty is reduced, the device is particularly suitable for being used in teaching experiments, and the safety of students can be effectively protected.

The invention discloses a robot, a mechanical arm and a mechanical arm detection control device and method, and belongs to the technical field of robots. The mechanical arm detection control method comprises the steps that S100, an actual torque signal of a motor unit is detected; s200, obtaining a detected actual torque signal of the motor unit, and processing and calibrating the actual torque signal to obtain an actual torque output by the motor unit; and S300, zero-force control is conducted on the mechanical arm according to the actual torque output by the motor unit and the mechanical arm compensation torque, and the mechanical arm compensation torque comprises the gravity torque of the mechanical arm, the joint friction torque of the mechanical arm and the inertia torque of the mechanical arm. The torque detection unit is directly integrated into the motor unit, installation and maintenance are simplified, the requirement for zero-force control of the mechanical arm is met, and controllability and safety of the robot are improved.

The invention discloses an automatic straw sampling device, wherein a drill bit is fixed on the head of a sampling tube, a collecting box is fixed on the sampling tube, a feeding device is installed on the sampling tube, a guiding device is installed on a fixed platform, and the fixed platform is installed on a supporting module. A power device comprises a rotary servo motor, a first coupling, a second coupling, a motor fixing bracket, an axial servo motor and a motor shaft sleeve. The rotary servo motor is fixed on a moving plate, the motor shaft sleeve is fixed on the motor shaft of the rotary servo motor through a key connection, the first coupling is connected to the motor shaft sleeve, the axial servo motor is fixed on the motor fixing bracket, the second coupling, the motor fixing bracket and the axial servo motor are fixed on the fixed platform, and the rotary servo motor is connected to the sampling tube through a gear transmission module. The automatic straw extraction device designed by the invention can replace traditional manual sampling, and solves the problems of high labor intensity and poor sampling environment of manual sampling.

The present invention discloses a wearable lower limb exoskeleton rehabilitation robot, which belongs to the technical field of exoskeleton rehabilitation robots, and comprises a mobile base, on which a telescopic column is vertically mounted, a mounting crossbeam is mounted on the front side of the telescopic column, and an exoskeleton support leg is mounted on both sides of the lower end of the mounting crossbeam, respectively, and the exoskeleton support leg comprises an upper support leg and a lower support leg connected up and down, and a hip support assembly is mounted on the upper end of the upper support leg, and the hip support assembly comprises a hip support pad, and the hip support pad is located at the rear side of the upper support leg; a calf support assembly is mounted on the upper end of the lower support leg, and the calf support assembly comprises a calf support pad, and the calf support pad is located at the front side of the lower support leg. The present invention can conveniently bind the patient's lower limbs to the rehabilitation robot to avoid secondary injuries, and can improve the patient's training experience during training.

The invention relates to the technical field of nuclear power plant equipment maintenance, in particular to a cutting tool for flexible blockages of a cold source water inlet passage of a nuclear power plant. The tool comprises a cutter installation beam, wherein grounding limiting pieces are installed on the two sides of the cutter installation beam; each cutting tool assembly comprises a rotating shaft, a tool mounting seat, a fixing rod, a cutting plate and a tool; a rotating shaft and two fixing rods are arranged between the two cutter mounting seats, and the rotating shaft is parallel to the fixing rods; one end of the rotating shaft penetrates through the right cutter mounting seat to be connected with an output inner hole of the speed reducer, and the other end penetrates through the left cutter mounting seat to be connected with the sliding bearing seat; a plurality of sets of cutting plates and cutters are sleeved on the rotating shaft and are arranged at intervals; holes are formed in the cutting plate, and the rotating shaft and the fixing rod penetrate through the holes to fix the cutting plate. The fixing rod is further sleeved with a cutting plate distance ring. The top surface of the cutter mounting seat is connected with the cutter mounting beam; the rotating directions of the two groups of cutting tool assemblies are opposite; and the speed reducer is connected with the driving motor and is mounted on the cutter mounting seat. The cleaning device is suitable for special working conditions of the cold source water inlet runner and is high in cleaning efficiency.

A material arranging device is fixed to a workbench and arranged at the output end of a conveying part and comprises a channel assembly, a sorting sensor set and at least one distribution mechanism, and the channel assembly is communicated with the conveying part and extends in the advancing direction of workpieces; the distribution mechanism is fixed above the transmission part and is movably arranged relative to the transmission part; the conveyed workpieces are divided through the channel assembly arranged at the output end of the conveying part, so that the requirement that the multiple overturning parts work at the same time is met; by means of the distributing mechanism arranged above the conveying part, the workpieces in the conveying process can be distributed, then conveying channels and parallel conveying of the multiple workpieces are achieved, parallel operation of multiple operation procedures is achieved, and the efficiency of the machining equipment is remarkably improved.

This utility model discloses a device for forming and packaging insulating cotton, specifically relating to the field of insulating cotton processing technology. It includes a platform with a packaging base mounted on its surface. A forming frame with an opening is mounted on the top of the packaging base. A lower heating forming plate, fitted to the top of the packaging base, is located inside the forming frame. An upper heating forming plate, movable in height, is located on the top of the forming frame. An opening baffle, movable in height, is located at the opening of the forming frame. This utility model effectively solves the adhesion problem between the insulating cotton and the heating forming plate and eliminates internal stress in the finished product by reciprocating and striking the stripping rod. The servo push rod and telescopic rod work together, and the limiting structure ensures precise component movement, resulting in uniform heat setting. A protective cover prevents cotton lint from entangled in the transmission components. An airflow cooling design shortens the processing cycle. Parameters can be adjusted according to the specifications of the insulating cotton to adapt to different needs, thus improving overall processing efficiency and finished product quality.

The invention relates to an insulation fixing device for live replacement of a drop-out fuse, which belongs to the technical field of power maintenance devices and comprises a clamping mechanism, a linkage mechanism, a driving mechanism and a connecting rod mechanism. The clamping mechanism comprises a fixed cover and a movable cover which are matched with each other, a plane connecting mechanism is arranged on the back side of the fixed cover, a bearing support I and a bearing support II are arranged on the plane connecting mechanism, and a bearing support III and a bearing support IV are arranged on the back side of the movable cover; the linkage mechanism comprises a first movable arm and a second movable arm; the driving mechanism comprises a shell, and a steering engine, a steering engine control module, a battery and a supporting frame are arranged in the shell. The connecting rod mechanism is provided with an installation groove used for installing an insulation operation rod. Through automatic driving and insulation design, safe replacement of the drop-out fuse in an electrified state is realized, and the reliability and maintenance efficiency of a power system are improved.

The utility model discloses a cleaning mechanism of a forming machine, which belongs to the technical field of forming machine cleaning and comprises a forming machine body and a cleaning mechanism main body arranged on the forming machine body. The cleaning mechanism body comprises a cleaning piece used for cleaning the forming machine body, a driving piece used for driving the cleaning piece to move and a mounting frame used for mounting the driving piece. A mounting plate is arranged on the forming machine body, and the mounting frame is detachably connected with the mounting plate; the output end of the driving part is in transmission connection with the cleaning part so as to drive the cleaning part to reciprocate in the direction parallel to the to-be-cleaned surface of the forming machine body. Compared with a manual cleaning mode and a traditional mechanical cleaning mode, the cleaning mechanism of the forming machine with the structure has the advantages that the cleaning efficiency is greatly improved, the cleaning time is shortened, and continuous and stable operation of the forming machine is guaranteed.

The utility model discloses a valve mechanism of micro -fluidic chip, including the upper valve disc of installing in the inside of micro -fluidic chip, the integral molding of a plurality of connecting columns of upper valve disc bottom end and the integral molding of a plurality of connecting column bottom end lower valve seat, the inside of lower valve seat is provided with a plurality of both ends all through to the arc drainage cavity of lower valve seat outside. Upper valve disc, lower valve seat in the utility model are driven by outside micro -motor and rotate in micro -fluidic chip, and the arc drainage cavity in lower valve seat is communicated with the corresponding flow passage in micro -fluidic chip, and the elastic retreat -stopping structure, the anti -slip groove maintain the rotation angle of upper valve disc, lower valve seat.

The utility model discloses a color box corrugated board production line, and relates to the technical field of corrugated board production. Supporting legs are fixedly connected to the four corners of the bottom of the workbench, a control panel is fixedly connected to one sides of the supporting legs, a conveying belt is arranged at the top of the workbench, a glue spraying table is fixedly connected to the top of the workbench, a glue storage box is fixedly connected to the top of the glue spraying table, and an electric telescopic rod is fixedly connected to the inner top wall of the glue spraying table. A lifting plate is fixedly connected to the output end of the electric telescopic rod, a plurality of glue spraying devices are fixedly connected to the bottom of the lifting plate at equal intervals, the glue spraying devices communicate with the glue storage box, a limiting table is fixedly connected to the top of the workbench, and a limiting mechanism is arranged at the top of the limiting table; therefore, the corrugated boards can move on a stable and accurate track all the time in the conveying process, and the risk that the corrugated boards incline on the conveying belt is reduced.

The invention provides a screw locking system and method based on tool intelligence and an air conditioner outdoor unit production line, and relates to the technical field of electric appliance assembly. The screw locking system based on the body intelligence comprises a base; the pressing executing mechanism is used for applying pressing force to the top cover of the air conditioner outdoor unit, so that the top cover is aligned with the screw hole position of the shell; the locking execution mechanism is used for executing screw locking operation; the visual perception module is used for acquiring three-dimensional visual information of the air conditioner outdoor unit; the control module is configured to determine a locking track of the locking execution mechanism for the current air conditioner outdoor unit based on the three-dimensional visual information obtained by the visual perception module; and the pressing executing mechanism is controlled to apply pressing force, and the locking executing mechanism is controlled to execute screw locking along the locking track. According to the intelligent screw locking system and method based on the tool body and the air conditioner outdoor unit production line, the problems that when an air conditioner outdoor unit is assembled, the screw locking efficiency is low, the labor intensity is high, and the quality consistency is poor are solved.

The utility model discloses an interventional robot slave end device adopting a convergence driving module, which comprises a linear track group, and a first port control module, the convergence driving module and a first clamping rotating mechanism are sequentially arranged on the linear track group through a plurality of module fixing seats respectively. The first port control modules, the convergence driving modules and the first clamping and rotating mechanisms are sequentially arranged in the length direction of the linear rail set from front to back, and the module fixing seats can drive the corresponding first port control modules or the convergence driving modules or the first clamping and rotating mechanisms to reciprocate during reciprocating motion to achieve delivery of intervention consumables. The convergence driving module converges at least two rear intervention consumables and then penetrates into the front intervention consumables at the same time. Convergence of the guide wires and / or the guide pipes is achieved through the convergence driving module, and therefore the multiple guide wires and the multiple guide pipes cooperatively move in place to enter a target object and work.

This utility model provides a sunroof with a floating guide, comprising: a sunroof assembly including a front crossbeam and a rear crossbeam arranged in parallel; a side strip frame is fixedly provided on the side edge of the rear crossbeam, and a guide is movably installed between the rear crossbeam and the side strip frame; the guide includes: a Z-axis limiting base plate, an X-axis contact rib, a connecting plate, and a support spring; the Z-axis limiting base plate is used to limit the freedom of the side strip in the Z-axis direction; one end of the support spring is fixedly connected to the rear crossbeam to provide elastic floating support for the guide; the side strip frame includes a rotating mechanism mounted on the rear crossbeam, the rotating mechanism being used to roll up and release the side strip, the side strip passing through the guide area and being driven to connect with the sunroof sunshade, the movement of the side strip controlling the unfolding and retraction of the sunshade. The guide can dynamically adjust its position according to the movement of the side strip or external interference, reducing impact and stress concentration, and improving the durability of the overall structure.

The utility model relates to mouse chip processing technical field especially is a mouse chip processing frock clamp, including base, be provided with frock mechanism on the base and be used for chip clamping positioning, frock mechanism includes: adjusting assembly, including the side seat fixed in the left and right ends of base top, the both ends side seat are fixed with the balance bar, the first sliding seat, second sliding seat, third sliding seat and fourth sliding seat are installed in proper order on the balance bar from left to right and slide, two left short connecting frames are pivoted to the first sliding seat top, two left long connecting frames are pivoted to the second sliding seat top and with left short connecting frame pivot connection, two right long connecting frames are pivoted to the third sliding seat top and with left long connecting frame pivot connection, two right short connecting frames are pivoted to the fourth sliding seat top and with right long connecting frame pivot connection, the synchronous accurate clamping of multiple stations has been realized, ensures the action consistency of each clamping point, guarantees the clamping strength even, especially suitable for the batch processing demand of high-precision mouse chip.

The utility model belongs to the field of star simulator installation, and particularly relates to a dynamic adjusting mechanism for a star simulator. The adjusting structure comprises a bottom frame, a height adjusting assembly and a clamping assembly. Wherein the height adjusting assembly is assembled on the bottom frame, and the clamping assembly is assembled on the height adjusting assembly in a sliding mode; the height adjusting assembly comprises a reciprocating motor arranged on the bottom frame, a lead screw is rotationally arranged at the output end of the reciprocating motor, a sliding block base is arranged outside the lead screw in a meshed mode, and the clamping assembly comprises a motor base assembled on the sliding block base. A positioning disc is assembled on the side face of the motor base, a plurality of sliding grooves are formed in the outer portion of the positioning disc along the circle center of the positioning disc in a surrounding mode, a supporting arm is arranged outside each sliding groove in a sliding mode, and a clamping plate is arranged at the end of each supporting arm in a protruding mode. And a star simulator body is clamped among the plurality of clamping plates. The device has the advantages that the starlight simulators with different sizes can be dynamically adjusted and installed, and the video height of the starlight simulator can be dynamically adjusted.

The invention provides a shielding door driving system directly driven by a linear motor, and belongs to the technical field of closing device application. The driving system comprises a driving module, a monitoring module and a control module; the driving module utilizes a linear motor to cooperatively work with a plurality of shielding door parts to realize smooth opening and closing of a door; the monitoring module monitors the operation state of the door and the surrounding environment in real time through a contact sensor and an image sensor, and the operation safety is ensured. And the control module integrates the functions of the two modules, and realizes accurate control and coordinated operation through preset working logic. According to the driving system, the mechanical structure is simplified, and moving parts are reduced; and a high-precision position feedback mechanism integrated by the system ensures the movement accuracy of the door, so that the potential safety hazards of clamping people and the like are effectively avoided, and the safety and the user experience of the automatic door system are greatly improved.

The invention provides a lock cylinder of an addition lock and an opening method. The lock cylinder comprises a lock cylinder body, a rotary lock cylinder installed in the lock cylinder body, a key inserted into the rotary lock cylinder, a pressing block assembly and a plurality of addition assemblies, wherein the pressing block assembly and the addition assemblies are installed in the lock cylinder body and abut against the key. Through the double locking mechanism of the pressing block assembly and the addition assembly, the technical unlocking difficulty of the lock cylinder is increased, the design of addition beads and elastic blocks in the addition assembly enables the movement action of the lock cylinder part to be accurate, and the design of pressing blocks and rolling bodies in the pressing block assembly enables the action to be flexible and friction to be reduced when a key is inserted. Correct positions of components in the lock cylinder are ensured, and the design of a side column and a brake bolt in the addition assembly achieves the purpose of controlling the mechanical structure aspect of the second unlocking condition.