4646results about How to "High degree of automation" patented technology

The invention relates to a full-automatic flexible assembly line of a light emitting diode (LED) bulb lamp. The assembly line comprises a light source assembly workstation, a power supply assembly workstation, a lamp cover assembly workstation, an intermediate storage device, a terminal storage device, a supply device and a control system, and is provided with an assembly execution mechanism and an auxiliary execution mechanism, the assembly execution mechanism is used for inserting, clamping, gluing, locking a screw, punching a rivet and the like, the auxiliary execution mechanism is used for detecting the electrical property of a semi-finished product, feeding, blanking, turning a gesture and the like, the assembly line is a hybrid structure based on a station turntable, part transmission and station flow are realized by the station turntable, a conveying belt and a manipulator, and all parts are automatically fed. The assembly line is compact in structure and high in production rhythm, and has high reliability and flexibility, production efficiency is obviously improved, the manufacturing cost of a single piece is reduced, and the full-automatic flexible assembly line of the LED bulb lamp is realized.

The invention provides a subcritical liquid extraction device and a subcritical liquid extraction method of active ingredients of natural products, relating to a device and a method for extracting active ingredients of natural products. The device comprises a control system part and a leaching system part, wherein the leaching system part comprises an extraction tank 1, an evaporating tank 2, a buffer tank 3, a condenser 4, a solvent tank 5, an ultrasound generating device 11, a vacuum pump 9, a fire arrester 10, a compressor 8, a hot water pump 7 and a hot water box 6; the control system partcomprises a leaching temperature controller, a leaching time controller, a leaching frequency controller, a material dissolving ratio controller, an exsolution temperature regulation controller, an exsolution pressure feedback controller, an electric appliance controller of the device and an excess-temperature excess-pressure leaking alarm. The method can select different subcritical extraction media according to different extraction products, combines a subcritical liquid extraction technology and an ultrasonic extraction technology to increase extraction rate and reduce extraction time andis a new high-efficiency low-consumption environment-friendly technology for extracting active ingredients of natural products.

The invention discloses an automatic food vending machine. By virtue of control of a human-machine interaction device, a propelling mechanism pushes food stored in storage boxes onto a receiving platform; a turnplate device is further arranged inside the machine body; the turnplate device comprises a turnplate, a propelling platform and a turnplate driving mechanism; the turnplate driving mechanism is connected with the turnplate and drives the turnplate to rotate; the storage boxes take a rotating center of the turnplate as a circular center and are fixed on the turnplate in an equant manner; discharge openings are horizontally formed in the bottom of the storage boxes in a run-through manner; the propelling platform is fixed inside the machine body; the propelling mechanism is arranged on the propelling platform; the propelling mechanism is provided with a propelling rod which faces to the receiving platform and does linear telescopic movement in the horizontal direction; the propelling rod is horizontally arranged; the turnplate is rotated so as to rightly align the discharge openings with the propelling rod; the propelling rod stretches out, and pushes out food in the discharge openings onto the receiving platform for a buyer to fetch. The automatic food vending machine is high in vending efficiency, large in storage amount, and clean and sanitary.

The invention discloses a high-fineness urban three-dimensional modeling method and relates to the field of three-dimensional digital urban construction, airborne LIDAR (light detection and ranging) is adopted for acquiring original aerial survey data result, and an urban high-precision digital elevation model, a digital orthophoto map and a building three-dimensional body frame model are manufactured on the basis, thereby forming a foundation framework of an urban three-dimensional scene; then a vehicle-mounted movable laser scanning device is used for acquiring vehicle-mounted movable laser scanning original data result, and a high-fineness model of all types of opuscules and ground objects of an urban is acquired by performing the ground object high-fineness three-dimensional modeling under the mode of fusing vehicle-mounted point cloud after precision optimization with a photo according to a ground object parameter model base under the three-dimensional modeling environment; and the foundation framework of the urban three-dimensional scene and the high-fineness model of all the types of the opuscules and the ground objects of the urban are integrated, thereby acquiring a high-fineness three-dimensional virtual urban scene of the urban. With the adoption of the method, production efficiency is improved, project cost is reduced, development cycle is shortened, modeling fineness is improved, and actual application needs can be met.

The invention relates to an ultra-deep well drilling simulation experiment device which mainly comprises a drilling system, an autoclave system, a rock sample heating and pressurizing system, a detecting system, a data acquiring system (22) and a computer data processing system (21). The drilling system comprises a frame, a power head system, a drilling fluid system and a hydraulic system; the autoclave system mainly comprises a dynamic sealing device (9), a pressure vessel (18), a drilling rod column (19), a bit (23), a hoop (25) and an experiment bench (29); the detecting system mainly comprises a parameter detecting system and a temperature and pressure detecting system; a programmable logic controller (PLC) is connected with the computer data processing system (21); a rock sample is put on the experiment bench (29); a resistance wire is used for heating the rock sample; a rock sample clamping and pressurizing mechanism (24) is used for pressurizing the rock sample; and the drilling system is used for drilling the rock sample. The ultra-deep well drilling simulation experiment device is used under the high-temperature and high-pressure condition.

The invention provides a full-automatic chemiluminescence immune analyzer comprising a rack, and a sample introduction device, a reaction control device and an optical detection assembly which are arranged on the rack, wherein the sample introduction device comprises a reaction cup array mechanism, a reaction cup delivery rail, a sample adding gun head array mechanism, a reagent storage disc, a reagent filling rail, a sample conveying device, a sample storage disc, a first mechanical arm, a second mechanical arm, a third mechanical arm, a sample filling needle, a first reagent filling needle and a second reagent filling needle; the reaction control device comprises a reaction cup incubating disc, a primary magnetic separation rail, a secondary magnetic separation rail, a first cleaning and magnetic separation mechanism, a second cleaning and magnetic separation mechanism and a substrate filling mechanism; the optical detection assembly comprises a photomultiplier and a control circuit. The full-automatic chemiluminescence immune analyzer can automatically perform operations such as sample adding, reaction, data reading and the like in the chemiluminescence immune testing flow.

The invention discloses a laser scanning type bulk material flow detection and distribution error elimination method. Collecting point data and belt speed data of frames of section contours of a material stream are obtained; three-dimensional coordinates are built according to collecting point data and belt speed data; the material flow between adjacent frames is obtained through a triangulation network construction method, and the instantaneous flow rate of a unit time is obtained; the material stream sectional area is worked out by calculating the area difference between a material and a no-load belt scanned by a laser scanner, the area R defined by the straight line where the starting angle of each frame scanned by the laser scanner is located, the straight line where the termination angle of the frame scanned by the laser scanner is located and the corresponding material stream section contour in the material conveying process is calculated, and the material stream sectional area of each frame is obtained; the sectional area distribution error correction factor of the kth frame of the material stream is obtained; the corrected material stream sectional area is calculated. The laser scanning type bulk material flow detection and distribution error elimination method is simple in structure, high in automation degree and high in real time performance, and material distribution measurement is not influenced by dust, the weather, light and the like in the external environment.

The invention discloses a device and a method for determining metallic hydrogen penetrating quality, relating to the field of adopting electrochemical technique to determine metallic sample hydrogen penetrating quality. The device is composed of a main device and a pretreatment device. The method for determining the metallic hydrogen penetrating quality comprises a pretreatment method and a hydrogen penetrating quality determining method, wherein the pretreatment method comprises polishing treatment, cathodic treatment and single-surface electroplating. The device of the invention has low using and maintaining cost, high degree of automation, favorable precision and high sensitivity. The method for determining the metallic hydrogen penetrating quality, which adopts the device of the invention, has simple operation and accurate and stable determining result.

The invention relates to the technical field of spraying equipment and provides an automatically-moving spraying robot. The automatically-moving spraying robot comprises a material barrel, a spray gun system, a moving mechanism, a locating module, an environment detection module, a paint blending system and a control module. The material barrel and the spray gun system are communicated through a conveying pipe. The output ends of the locating module and the environment detection module are electrically connected with the input end of the control module. The output end of the control module is electrically connected with the input ends of the moving mechanism, the paint blending system and the spray gun system. The automatically-moving spraying robot can be automatically moved to the spraying position, surrounding environment parameters can be detected and transmitted to the control module, proper paint is blended through the paint blending system, and the action instructions are output to control the spray gun system. After preset parameters are input, the overall spraying work can be automatically finished by the spraying robot, the automation degree is high, and manual cost is greatly saved. The environment detection module is adopted for detecting the surrounding environment with high accuracy so that the paint matched with the actual environment can be blended.

The invention discloses an automatic sewing device and method. The automatic sewing device comprises a machine frame, a workbench arranged on the machine frame, a sewing machine head and a main bracket, wherein the sewing machine unit and the main bracket are arranged on the workbench and are perpendicular to each other; an adsorbing positioning mechanism is arranged on one side of the sewing machine head, an automatic bending mechanism is arranged on the other side of the sewing machine head; a feeding mechanism is arranged between the adsorbing positioning mechanism and the automatic bending mechanism; an ironing mechanism is arranged on the automatic bending mechanism. With the technical scheme provided by the invention, the whole process of sewing a cuff lining is automated, and the production efficiency is improved; the manual operation process is reduced, the technical requirement for workers is low, the operation difficulty is low, and the product quality is guaranteed.

The invention discloses an inclination-angle-constraint-based kinematic calibration method for a Stewart parallel robot. The method comprises the following steps of: firstly, theoretically establishing a novel kinematic constraint, which is an inclination angle constant constraint, namely keeping two inclination angles of a motion platform of the Stewart parallel robot relative to a horizontal plane constant group by group; secondly, using a servo regulating way to physically realize the established kinematic constraint in a high-precision way; thirdly, establishing a calibration model on the basis of a principle of least square according to the kinematic constraint; and finally, identifying a model parameter by solving a nonlinear least square optimizing problem and compensating for the model parameter in a robot control software. By making full use of a characteristic that a repeating precision of a measuring instrument is superior to a position measuring precision of the measuring instrument, the method has the advantages of good calibration effect, simple measurement, high automatism in the calibrating process and the like.

The invention discloses a two-dimensional and three-dimensional integrated imaging measurement system, which is characterized by being composed of an astigmatism automatic focusing unit, a light source unit, a Linnik interference unit and an image receiving unit. According to the two-dimensional and three-dimensional integrated imaging measurement system, disclosed by the invention, a fixed system framework is used for integrating a plurality of advanced imaging technologies so as to efficiently meet various precise measurement requirements; the two-dimensional and three-dimensional integrated imaging measurement system is mainly applied to testing of two-dimensional geometrical parameters of a micro-part structure, detecting of the machining, the quality and the surface appearance of MEMS (Micro-electromechanical Systems), IC (Integrated Circuit) and optical micro-devices, and medical measurement of biological tissues and the like.

The invention discloses a multi-station and multi-parameter vision measuring system and method for rotary parts. The multi-station and multi-parameter vision measuring system comprises a Y-shaped feeding mechanism, a multi-station chain type feeding mechanism, a radial parameter measuring device, an axial parameter measuring device, a warehousing type three-dimensional sorting mechanism, a PLC (Programmable Logic Controller) control module, a human-machine interaction interface and an upper computer control system. The invention can provide geometrical quantity precision measuring equipment for the quality control of processing of the rotary parts on industrial field. The geometrical quantity precision measuring equipment can be used for detecting the geometric dimension error, shape error and position error and counting and analyzing the detection result of the same batch of parts to grasp the fluctuation condition of the batch quality of products. Meanwhile, the equipment has functions of automatically feeding parts and automatically sorting according to the measuring result and can be directly connected in series to the production line in series for on-line and full-detection of the parts.

The invention relates to an automatic electric connector assembling method and an automatic electric connector assembler. The assembler is at least provided with a feed station and a discharge station along the circumference of a graduated turnplate in a distributing way, a insertion station is arranged ahead of the discharge station, each station on the graduated turnplate is correspondingly provided with a clamp for clamping holed parts, and the feed station, the insertion station and the discharge station are correspondingly provided with a feed manipulator, a locating detent three-axis insertion mechanism and a discharge manipulator; a pickup unit of an image detection system is arranged on the insertion station or the station ahead of the insertion station; the pickup unit acquires the image information of insertion holes to be assembled on the holed part to be clamped and then transmits the image information to a computer processing system of the image detection system, and the obtained coordinate data of the positions of the insertion holes are transmitted to the locating detent three-axis insertion mechanism. The invention realizes the flexible production of product assembly, can automatically identify and assemble part holes with a variety of hole positions, different hole position arrangements and different shapes, and has high automation degree.

The invention discloses an automatic assembly machine for a spring-type microswitch. The automatic assembly machine comprises a frame and a turntable mechanism mounted on the frame. A plurality of fixtures are mounted on the turntable mechanism at intervals, each fixture comprises a fixture sub-assembly unit and a fixture final assembly unit, and a base feeding mechanism, a normally closed terminal feeding assembly mechanism, a common terminal feeding mechanism, a spring piece feeding mechanism, a spring feeding mechanism, a component assembly mechanism, a normally open terminal feeding assembly mechanism and a discharging mechanism are mounted on the frame and sequentially distributed along the turntable mechanism. Parts of the spring-type microswitch can be automatically assembled into the spring-type microswitch, automation degree and assembly efficiency are high, product quality is stable, and product yield can be effectively improved.

The invention relates to a medical intelligent nursing bed, and belongs to the technical field of medical apparatuses and instruments. The medical intelligent nursing bed comprises a bed frame and a bed board, wherein the bed board is composed of a back portion bed board, a hip portion bed board, a leg portion bed board and a foot portion bed board, the back portion bed board, the hip portion bed board, the leg portion bed board and the foot portion bed board are hinged in sequence, and are respectively composed of a transverse left board, a transverse middle board and a transverse right board in a sequential hinge joint mode, an installing frame is arranged below the hip portion bed board, a first electric push rod is arranged between the installing frame and the bed frame, a second electric push rod is arranged between the installing frame and the back portion bed board, a third electric push rod is arranged between the installing frame and the leg portion bed board, a bedpan hole is formed in the middle board of the hip portion bed board, a collecting box is arranged below the bedpan hole, the collecting box is arranged on a first lifting mechanism, and a cover plate is arranged on a second lifting mechanism. According to the medical intelligent nursing bed, various motions such as flat lying, the sitting posture, defecation in the mode of the sitting posture, and overturn can be achieved, cleaning through warm water, drying through hot air and disinfection and deodorization through negative ions are automatically carried out after defecation is accomplished, cleanliness and hygiene are achieved, the degree of automation is high, and a large amount of work of manual nursing is saved.

This invention relates to one high speed road traffic speed monitor management, which solves the problem of current high speed road monitor and management system of complex structure and high price and troublesome use and maintaining and discloses one full day high speed road automatic radio frequency car speed monitor system. This invention combines the speed test and car identification to use current high speed road charge system for work.

The invention discloses a fully compatible three-phase intelligent electricity meter full-automatic verification system. The full-automatic verification system comprises a detections system platform, wherein the detection system platform is respectively connected with an intelligent storage interface unit, a feeding unit, an appearance detection unit, a dielectric strength test unit, a programmed switching unit, a preset card insertion unit, a function and error detection unit, a load switch/power consumption test unit, a reset/key unit, an automatic sealing unit, an automatic labeling unit and a discharging and separating unit. A conveying unit respectively conveys to-be-detected three-phase intelligent electricity meters to each detection device so as to test each functional parameter, and finally conveys the three-phase intelligent electricity meters to the discharging and separating unit to finish the whole automatic detection flow. The overall verification flow is highly automated, so that the labor intensity of workers is effectively reduced, the verification error is small, and the overall verification speed is fast.

The invention relates to a bolt machining all-in-one machine which comprises a machine frame, a stamping device, a material taking die base, a conveying device, a single material conveyor and a working table. The single material conveyor is fixed to the upper right end of the working table, the conveying device is located under the left of the single material conveyor and fixed to the upper left end of the working table, the machine frame and the working table are arranged vertically, the material taking die base is located on the left side of the conveying device and fixed to the rear end of the upper portion of the machine frame, the stamping device is located right in front of the material taking die base, and the stamping device is fixed to the front end of the upper portion of the machine frame. The bolt machining all-in-one machine has the advantages of being reasonable in structural design, high in automation degree and machining efficiency and the like, can automatically achieve feeding and can simultaneously complete bolt head machining and reducing machining, bolt machining time is shortened, bolt machining efficiency is improved, and batched bolt machining is facilitated.

The invention relates to the field of spatial information data processing, in particular to a space object three-dimension (3D) measurement method based on high-precision and high-density laser point cloud and digital measurable images which are obtained by a movable measurement system. The method is characterized by comprehensively utilizing the laser point cloud and digital measurable image data which are obtained by a movable laser radar system, taking the high-precision and high-density laser 3D point cloud as the actual acquisition target and identifying and operating the target with the help of the digital measurable images to achieve the aim of precise measurement of the 3D objects. The method has the following beneficial effects: a brand-new concept of measuring real objects by observing real scenes is put forward; the advantages of high density and high precision of the laser point cloud and easy identification and operation of the digital measurable images are fully utilized to realize global operation based on the digital measurable images and local precise measurement based on the laser point cloud, thus effectively solving the problems of slow access, fussy processing and difficult operation of massive point cloud data; and popularization and application of laser radar technology are promoted.

The invention discloses an intelligent self-propelled sprayer based on image processing. The intelligent self-propelled sprayer comprises a frame, a chassis, a power mechanism, a transmission mechanism, two caterpillar band walking mechanisms, a spraying mechanism and a control system. The frame is fixed above the chassis, the power mechanism and the transmission mechanism are installed on the chassis, and the two caterpillar band walking mechanisms are installed on the two sides of the chassis respectively; the spraying mechanism is installed on the frame and comprises a pesticide storage tank, a pesticide conveying system, a nozzle bearing platform, a centrifugal pump and a stepping motor, and an output shaft of the stepping motor is connected with the nozzle bearing platform in a driving mode and drives the nozzle bearing platform to rotate; the control system comprises an image collecting device and a master controller, the image collecting device is installed at the front end of the frame, and the master controller obtains image information of the front of the sprayer through the image collecting device, obtains information of a region to be sprayed through analysis according to the image information, and controls the power mechanism, the centrifugal pump and the stepping motor to act according to the information of the region to be sprayed.

The invention relates to a heating sterilization device, in particular to an experimental pasteurization machine. A discharge port, a power supply, a material pump, a heating tank, a sterilization coil, a heater, a cooling water inlet pipe and a cooling water outlet pipe are arranged in a cabinet; the heating tank is fixed at the bottom of the cabinet; the heater is arranged in the heating tank; an oiling tank is arranged on the heating tank; a material tank is connected with one end of the feed port of a feed pump through a feed pipe; one end of the discharge port of the feed pump is connected with one end of the entrance of the sterilization coil in the heating tank through a pipeline; one end of the outlet of the sterilization coil is connected with one end of a cooling section through a pipeline; the other end of the cooling section is the discharge port; a receiving tank is arranged at the discharge port and connected with a slide rail; the cooling section is connected with the cooling water inlet pipe and the cooling water outlet pipe through a pipeline; and a drain pipe is arranged in the receiving tank. The experimental pasteurization machine provided by the invention is widely applicable to the laboratory-scale simulation of a pasteurization technology of various fluid products; and the system is equipped with a heating system and can be used without power connection, and other external equipment is not needed.

The invention is applicable to the technical field of ceramic product production, and provides a fully automatic ceramic production system, which comprises a mold changing device, a slurry filling device, a slurry discharging device, a mold opening blank taking device, a blank drying device and a mold drying device, wherein the slurry filling device is used for filling slurry liquid into a mold for forming a blank body, the slurry discharging device is used for discharging excessive slurry liquid in the mold, the blank drying device is used for drying a blank, the mold drying device is used for drying the mold, the fully automatic ceramic production system also comprises a computer control device, a rail and a mold vehicle, computer control program is built in the computer control device, the mold vehicle can be used for moving the mold to each station according to the instructions of the computer control device. The fully automatic ceramic production system provided by the invention has the advantages that the mold is conveyed to each station through the rail and the mold vehicle, the operation of the mold vehicle and each device and component can be controlled by the computer control device, the automation degree is high, the production efficiency is improved, the space is saved, the yield is improved, and the work intensity of workers is greatly reduced.

The invention relates to a multifunctional ecological purification system for large-scale circulation breeding water, which is used for exchanging water in a pond and purifying the breeding wastewater in the pond. The purification system comprises an efficient precipitation and filtration region, an ecological breeding purification region, an artificial wetland purification region, a water collecting pond and an automatic water quality monitoring and regulating device, wherein the efficient precipitation and filtration region, the ecological breeding purification region and the artificial wetland purification region are used for purifying a water body, and the automatic water quality monitoring and regulating device is used for monitoring the quality of the water body in the purification system and controlling operation of the purification system. Compared with the prior art, the system can be used for automatically monitoring the water quality in the system, so that water in the pond can satisfy the requirements of aquaculture water after being subjected to circulation treatment of the purification system. Meanwhile, aquatic animals and plants and bottom mud generated in the purification system can be recycled. The system provided by the invention can be applied to purifying large-scale aquaculture wastewater and has good economic and environmental benefits.

The invention provides a multifunctional automatic drilling and riveting end executor. The multifunctional automatic drilling and riveting end executor is controlled by a control system, and carried by a machine or a robot; the multifunctional automatic drilling and riveting end executor is characterized by being integrated with a reference hole detection module, a normal alignment module, a pressure foot module, a perforating dimpling module, a rivet receiving and detecting module, a station switching module and a rivet pulling module; each module comprises two parts, namely a control circuit and an execution mechanism; the execution mechanism is controlled by the control circuit, and a control system is in communication with the control circuit of each module. The riveting link in aviation workpiece assembly is completed by the highly integrated multifunctional automatic drilling and riveting end executor; the end executor comprises the functional modules for realizing the whole process of hole drilling, dimpling, chipping removal and riveting, and the functional modules for detection, positioning, switching and the like in process control; the execution mechanism of each module is accurately controlled by the control circuit; the control system uniformly deploys the working steps of the modules, and in combination with the mobile machine tool or the robot, the degree of automation is higher, the labor can be saved and the working efficiency can be greatly improved.

The invention discloses a coal chemical strong brine zero emission and salt screening technology. Strong brine enters a first special reverse osmosis process pack after being treated by an adjusting pond and a pre-treatment device, freshwater of the strong brine is reused, water produced on the thick water side passes through a softening process pack to remove calcium ions and magnesium ions in wastewater and then enters a first-stage special nanofiltration process pack, water produced on the thick water side of the first-stage special nanofiltration process pack passes through a first evaporation crystallization process pack to obtain industrial-grade sodium sulfate, water produced on the fresh water side enters a second-stage special nanofiltration process pack, water produced on the thick water side of the second-stage special nanofiltration process pack returns to the adjusting pond, water produced on the fresh water side enters a reverse osmosis membrane process pack, the fresh water is reused, water produced on the thick water side enters a second special reverse osmosis membrane process pack, water produced on the fresh water side of the second special reverse osmosis membrane process pack flows back to the adjusting pond or is reused according to water quality, and water produced on the thick water side passes through a second evaporation crystallization process pack to obtain industrial-grade sodium chloride. The technology is simple, cost is low, the automation degree is high, long-time stable operation can be achieved, and secondary pollution is not caused.

The invention discloses a novel rail guide vehicle with a steering function. The rail guide vehicle comprises a rail guide vehicle body, and a traveling mechanism, steering mechanisms, a lifting mechanism, an electric control system, a battery, a charging system and a communication module which are installed on the rail guide vehicle body, wherein the steering mechanism drives four wheels to perform steering at 90 degrees simultaneously, and traveling in front, rear, left and right directions on an identical rail can be realized. The steering mechanisms are fixed on wheel bases of the rail guide vehicle body through screws; the wheel bases are fixed on a connecting beam and a bearing beam through screws; a bevel pinion of a bevel gear transmission device 35 drives a bevel gear wheel transmission device installed on a wheel steering shaft; the wheels are embedded below the wheel bases. The traveling mechanism is connected with two driving wheels on the diagonal line of the rail guide vehicle body, and the lifting mechanism is fixed and installed on the bearing beam of the rail guide vehicle body. The rail guide vehicle can be automatically driven into different storage roadways without the helping of a forklift or a stocker, can be driven into different goods positions after being lifted to different layers through an elevator, and really realizes a high-efficiency, high-density and completely automatic unattended stereoscopic warehouse.

The present invention provides an automatic locking screw machine. The automatic locking screw machine includes an automatic separating module, an automatic feeding module, and an automatic locking module. The automatic separating module separates a plurality of screws arranged in an array. The automatic feeding module is connected to the automatic separating module, and includes a feeding duct for conveying the screws separated by the automatic separating module. The automatic locking module is connected to the automatic feeding module, and includes a first spring ball mechanism and a screwdriver. The first spring ball mechanism supports the screws conveyed by the feeding duct, and the screwdriver locks the screws supported by the first spring ball mechanism onto a workpiece. Therefore, the automatic locking screw machine provided by the invention has highly automated process and high production efficiency, so as to shorten production time of objects.

The invention relates to a performance abnormality prediction method in a distributed system and a system. The historical performance data and real-time performance data are collected through the monitoring system of a distributed environment, a characteristic value is employed to extract the characteristic of description data, the mode of a performance variable is constructed, a classification model is trained through Naive Bayesian classification, a current data mode and historical data modes are compared, a mode which is most similar to the current data mode is found in the historical data modes, and finally a question whether the current data mode is in an abnormal state is predicated according to a Naive Bayesian predication model. According to the method and the system, for the abnormal performance prediction in the distributed system, the problem of the characteristic of a variable is considered comprehensively, the accuracy is high, a machine learning method Bayesian model is employed to guide the prediction, the performance abnormality situation is detected in real time, the detected prediction is estimated and analyzed through the previously obtained Bayesian model, the confidence of the prediction is raised, the degree of automation is high, and the reliability and practicality of the prediction are improved.

The invention discloses a camera calibrating method and system in a vehicle panoramic looking-around system. The method comprises that a ground tag is laid in a calibration area, and an external measuring camera which can shoot the ground tag, a roof and a vehicle body is arranged over the calibration area; a to-be-calibrated vehicle with the vehicle panoramic looking-around system is arranged in the calibration area; the transformation relation between a ground coordinate system and a vehicle body coordinate system is determined on the basis of the external measuring camera; and a camera parameter of the camera relative to the vehicle body coordinate system is calibrated on the basis of the transformation relation. Via the calibrating method and system, the calibrating efficiency can be improved, and the accuracy of a calibration result is ensured.