628results about How to "Realize sorting" patented technology

The invention discloses a recycling method of discarded circuit boards, comprising the following steps: disassembling a discarded circuit board into three parts: a base plate, components and solder, then carrying out sorting and rapid detection on disassembled components; respectively crushing and separating the base plates and various loss-of-function components, and recycling the crushed and separated various powders, wherein the metal powder can be directly reused, and the recycled non-metal powder is used for being prepared into compound material. The method provided by the invention can realize sorting recycling of all resources of the discarded circuit boards; the recycled material can be reused, and therefore, the secondary pollution can not be generated.

The invention relates to a detecting system, in particular to a solar cell silicon chip detecting system. The detecting system comprises a silicon chip conveying device; the silicon chip conveying device is provided with a feeding area, an exposure area and a sorting area along the silicon chip conveying device in sequence; the feeding area is used for arranging the silicon chips on the silicon chip conveying device; the exposure area is provided with a detecting and imaging system arranged above the silicon chips and a limiting mechanism used for limiting the silicon chips; and the sorting area is used for putting the silicon chips with different weight into corresponding material-receiving box. Compared with the prior art, the system has the beneficial effects that by adopting the structure, the detecting system can realize sorting to the silicon chips by only needing arranging the silicon chips into a feeding box of the feeding area, and is simple and practical.

The invention discloses a broadband channelization reception system of radar with an external radiation source and an FPGA (Field Programmable Gate Array) implementation method. The FPGA implementation method comprises the steps of: dividing received radar broadband signals into multiple paths of analogue signals through a power division filter module; transmitting each path of analogue signals after AD (Analogue-Digital) conversion into an FPGA for frequency point separation; converting to a baseband through down-conversation in the FPGA; sequentially carrying out a multi-phase structured deceleration treatment, channelization treatment, FIFO (First In First Out) series and parallel conversion treatment and FFT (Fast Fourier Transformation) on baseband signals; and finally outputting output signals of any eight frequency points through the FPGA. The reception system comprises a power division filter module, an analogue-digital conversion module and an FPGA frequency point separation module. According to the invention, echo signals of the radar are subjected to a segmental treatment, and the same treatment is adopted for the signal separation process of each path of the analogue signals after the segmentation. Different clock frequencies are adopted at different treatment stages of the FPGA frequency point separation. According to the broadband channelization reception system of the radar with the external radiation source and the FPGA implementation method, disclosed by the invention, the difficulties of great equipment amount and high development cost when the traditional reception system of the radar with the external radiation source implements synchronous reception of multiple signals of the broadband signals are solved; and complexity and cost of the system structure are decreased.

The invention relates to a detection sorting device for steel balls The detection sorting device comprises a rack, a feed mechanism, an unfolding mechanism, a stock stop, a detecting mechanism, a sorting mechanism and a material collecting mechanism, wherein the feed mechanism comprises a material storing box, a material discharging hopper and a material discharging pipe; the unfolding mechanism comprises a material transporting guide rail, the material transporting guide rail is a V-shaped linear guide rail, the material discharging hopper is connected with an initiating end of the material transporting guide rail through the material discharging pipe, and the detecting mechanism comprises a light source assembly and a camera assembly; the light source assembly is arranged on the material transporting guide rail in a sleeved mode, the sorting mechanism and the material collecting mechanism are arranged on the tail end of the material transporting guide rail, and the separate collection of defect steel balls and qualified steel balls are realized through the sorting mechanism and the material collecting mechanism. The detection sorting device provided by the invention has the advantages that the automatic feed, detection and sorting of the steel balls are realized, a detection process is that two-dimensional motion of a traditional unfolding disc is changed into single one-dimensional rolling of one-sided steel balls, the detection efficiency is high, a false drop ratio and an omission ratio are low, and the steel balls are not magnetized or the surfaces of the steel balls are not damaged in a detection process.

The invention discloses a photographing and sorting device for egg separation. A conveying system is arranged on a mounting bottom frame and comprises a conveyor belt and a conveying tray; bearing through holes for placing eggs are formed on the conveying tray; a photographing system and a sorting system are arranged on the mounting bottom frame; the photographing system comprises a light source and a camera which are respectively positioned on the upper side and the lower side of the bearing through holes during use; a cross sliding table structure which is used for correspondingly and movably adjusting the camera in the transverse direction and the longitudinal direction is arranged on the mounting bottom frame; the sorting system comprises a pneumatic suction disc mechanism for sucking the eggs; the pneumatic suction disc mechanism comprises a suction disc and a gas circuit control system which is communicated with the suction disc and is used for extracting or inflating gases in the suction disc; and the mounting bottom frame is provided with a cross sliding table structure which is used for correspondingly and movably adjusting the suction disc in the transverse direction and the longitudinal direction. By the photographing and sorting device, the eggs can be photographed and sorted, so that the operations of manually observing and selecting abnormal eggs in the prior art are effectively replaced.

The invention discloses a bulb lamp sorting and packing system based on machine vision. The system comprises a working platform; the working platform is provided with a robot module, a visual system module and a workpiece platform module; the robot module includes a six-axle robot, a mechanical jaw and a PLC control box; the mechanical jaw is mounted on a rotating manipulator at the end part of the six-axle robot; the workpiece platform module includes a shooting area platform, a detecting platform, a finished product box and a defective product box; the visual system module includes a 2D camera, light sources, an industrial controller all-in-one machine and a visual software system; the 2D camera is fixed on the mechanical jaw through a bracket; and multiple light sources are uniformly distributed around a shooting area. The bulb lamp sorting and packing system based on machine vision is simple in structure, high in integration degree, convenient for installation, fast in sorting speed, high in efficiency, low in cost and excellent in safety, and effectively realizes sorting and packing of bulb lamps based on machine vision.

The invention discloses an expressage cabinet which comprises a cabinet body provided with storage zones. The expressage cabinet further comprises an unmanned aerial vehicle recognition part, a bar code obtaining device, a carrying device and a control center; the unmanned aerial vehicle recognition part is used for providing a parking position for an unmanned aerial vehicle and receiving cargoes, and the unmanned aerial vehicle recognition part is arranged on the cabinet body; the bar code obtaining device is used for obtaining cargo information of the cargoes on the unmanned aerial vehicle recognition part and sending the cargo information to the control center; the carrying device is used for moving the cargoes to the storage zones; and the control center is used for controlling the carrying device, and is connected with the carrying device and the bar code obtaining device. The expressage cabinet is mainly used for achieving automation of cargo loading and unloading, sorting, storage, delivering and sending. The unmanned aerial vehicle recognition part is arranged so that parking of the unmanned aerial vehicle is facilitated; the bar code obtaining device scans bar codes on an expressage, so that the cargo information is read and temporally stored. The invention further provides an expressage transportation and storage system comprising the above expressage cabinet.

The invention discloses a full-automatic stack room which comprises bookshelves, roadway conveying mechanisms and an automatic terminal. Each bookshelf is provided with layer partition plates, each roadway conveying mechanism is provided with a horizontal rail, a vertical rail is disposed on each horizontal rail, a manipulator rail which is perpendicular to each horizontal rail and each vertical rail is disposed on each vertical rail, and a manipulator is disposed on each manipulator rail. Significant improvements include that book fetching and returning manipulators are in butt joint with a book conveying platform, and the book conveying platform is connected with the automatic terminal. The full-automatic stack room can have multiple functions of storage, borrowing, returning, classification, temporary storage and the like of books, and has wider adaptability and more flexible expansibility as compared with a full-automatic closed shelf stack room with basic functions of storage, borrowing and returning.

The invention provides an industrial part intelligent identification and sorting system based on computer vision. An image collector collects a two-dimensional color image and a depth information image and outputs the two-dimensional color image and the depth information image to a master control system terminal, the master control system terminal extracts the size and position information of a target in a production environment as classification features and inputs the classification features to a locally trained instance segmentation model HTC for target identification and positioning so asto obtain the position information of the target, the path planning of a mechanical arm is completed, and the posture of a mechanical clamp is determined according to the shape and size of the target;and the task of the mechanical arm and the mechanical clamp is interrupted or changed in real time according to the interaction information received in real time from the mechanical arm host and themechanical clamp host. According to the invention, the use of the industrial robot is simplified, the operation difficulty of a user is reduced, and meanwhile, the working efficiency of cooperative sorting between robots is improved.

The invention discloses a physical distribution management system based on an intelligent mobile terminal. The system is applied to an intelligent mobile terminal and a center server. The system comprises a receiving management module, a warehouse management module, a delivery management module and an information management module, wherein the intelligent mobile terminal comprises a data acquiring module, an information inputting module, a data decoding module, a wireless data transmitting module, a GPS (Global Positioning System) positioning module and an information printing module; the center server comprises a data receiving module, an information inquiring module, a data storage module and a right management module; the intelligent mobile terminal is used for transmitting data to the center server wirelessly through the wireless data transmitting module. The novel intelligent mobile terminal which combines a PDA (Personal Digital Assistant) acquiring function with a smart phone is provided, and an informatization platform system in physical distribution management is constructed by applying the intelligent mobile terminal, thereby optimizing the operation flow of the physical management, reducing the workload of operating personnel, and increasing the physical distribution transportation efficiency.

The invention discloses a laser cutting plate waste material separation part sorting system in the field of laser cutting machines. The laser cutting plate waste material separation part sorting system comprises two parallelly arranged supporting beams. A beam capable of moving horizontally is movably connected between the two supporting beams. The beam is connected with a lifting column through a lifting transmission mechanism, the lower portion of the lifting column is connected with a blanking mechanical hand, a waste material separation table and a sorting working table are arranged below the supporting beams and correspond to the blanking mechanical hand, the blanking mechanical hand comprises a rectangular frame, a support is arranged in the frame, a mounting plate is arranged below the support, a plurality of liftable electric permanent magnets with suction surfaces downward are installed on the lower side of the mounting plate through an elastic mechanism, the waste material separation table is provided with a plurality of fixed electric permanent magnets with suction surfaces upward, and every liftable electric permanent magnet and every fixed electric permanent magnet can supply power independently. Parts and waste materials are separated more reliably, the parts are sorted conveniently, and the laser cutting plate waste material separation part sorting system is high in efficiency and suitable for laser cutting automation of carbon steel plates.

The invention discloses a full automatic storing and borrowing library. The full automatic storing and borrowing library comprises bookshelves and a laneway transportation mechanism which is provided with a horizontal track; the horizontal track is provided with a vertical track which is provided with a manipulator track which is perpendicular to the horizontal track and the vertical track; and the manipulator track is provided with a manipulator. The full automatic storing and borrowing library is characterized in that the manipulator comprises a first electric rotary platform, a second electric rotary platform and an electric clamping jaw; the first electric rotary platform is arranged on the manipulator track; the second electric platform is vertically arranged on the first electric rotary platform; the first rotary platform rotates in a horizontal direction; the second electric rotary platform rotates in a vertical direction; and the electric clamping jaw is arranged on the second rotary platform. The full automatic storing and borrowing library aims at improving the manipulator and provides a flexible manipulator structure which is capable of operating in a three-dimensional direction of a horizontal direction, a vertical direction and a lateral direction and achieves horizontal rotating and vertical rotating.

The invention discloses a control system and control method of a small-size agricultural product intelligent sorting machine based on a DSP, and belongs to the technical field of classification and sorting in agricultural product processing. The control system comprises a material horizontal conveying device, an illuminating system, a real-time image capture and analysis system, an image capture triggering and sorting triggering system and a sorting system. The sorting system is connected with the tail end of the material horizontal conveying device, the illuminating system is arranged on the material horizontal conveying device, and the real-time image capture and analysis system and the image capture triggering and sorting triggering system are arranged above the illuminating system. According to the control system and control method, a DSP chip serves as the visual core of the intelligent sorting machine and replaces a common PC, real-time image capture, processing and analysis are achieved independently, capture triggering and sorting triggering are achieved through a single chip microprocessor and an optoelectronic switch to achieve control over sorting, therefore, a machine visual system is low in cost, high in integration level and high in processing speed, and real-time image capture, analysis and sorting can be carried out at the same time.

The invention discloses a microfluidic chip system for screening rare cells. The system comprises a microfluidic chip, an optical signal excitation and detection module, a data acquisition analysis and control module, a piezoelectric driving module and a pump control module. A piezoelectric element is adopted to excite a surface wave sound field, part of non-target substances can be removed by coarse screening on the basis of physical properties of cells, and the purity and the capture rate of fine screening can be improved; meanwhile, effects of cleaning and three-dimensional focusing on a sample can be realized, and the accuracy of subsequent detection and fine screening is improved; the piezoelectric element is used for exciting a surface acoustic wave in a fine screening area, so that the target cells in fluid are driven to deviate from an original path, cell sorting can be realized quickly, and activity of the cells is not affected due to mechanical force acting on the cells. The system has no damage to the cells, can be used for conventional flow cell sorting and rare cell screening, and has great significance in promoting non-invasive prenatal screening and tumor prognosis detection.

A sorting device for a clothes-pin board comprises a mechanism for storing and supplying the clothes-pin boards, a mechanism for detecting and sorting the clothes-pin boards and a computer controlled mechanism. The mechanism for storing and supplying the clothes-pin boards is connected with the mechanism for detecting and sorting the clothes-pin boards, providing with the clothes-pin boards which are waiting for detection to the mechanism for detecting and sorting the clothes-pin boards. The computer controlled mechanism is connected with the mechanism for detecting and sorting the clothes-pin boards by communication to control the movements of the mechanism for detecting and sorting the clothes-pin boards. The mechanism for detecting and sorting the surface quality detects the clothes-pin boards, differentiates between qualified products and defective products, and further sorts the qualified products and the defective products. The sorting device for the clothes-pin boards of the invention utilizes the mechatronic technique, the technique of image digitization of a video camera, and the technique of image analysis and recognition of a computer to automatically recognize and sort the boundary dimension and the surface quality of the clothes-pin boards, greatly increasing the labor capacity, reducing the cost of production, and ensuring the quality of the products.

The invention discloses an automatic feeder for bamboo strips. The automatic feeder comprises a feed mechanism and a discharge mechanism, and a recognizing and sorting mechanism and a turning mechanism are arranged between the feed mechanism and the discharge mechanism. The recognizing and sorting mechanism separates the bamboo strips with the yellow surfaces upward and the bamboo strips with the green surfaces upward, a receiving mechanism conveys the bamboo strips with the green surfaces upward to the turning mechanism, and a conveying mechanism conveys the bamboo strips with the yellow surfaces upward to the discharge mechanism. The turning mechanism comprises a turning block, a screw channel is formed in the turning block, and the bamboo strips with the green surfaces upward are turned by 180 degrees after passing through the screw channel and then enter the discharge mechanism. The automatic feeder has the beneficial effects that the bamboo strips with the yellow surfaces upward and the bamboo strips with the green surfaces upward can be effectively distinguished according to the characteristic that the difference between the friction coefficients of the upper surfaces and the lower surfaces of the bamboo strips is great, raw material for bamboo products can be automatically recognized, sorted and turned, the bamboo strips can be conveyed for being processed and waste can be avoided. In addition, the problems that the labor cost is high and the efficiency is low are solved.

The invention discloses a component sorting device. The component sorting device comprises a feeding transfer mechanism, a discharging transfer mechanism, material boxes and conveying mechanisms which are symmetrically arranged, wherein the conveying mechanisms move in the vertical directions, and each conveying mechanism is provided with a plurality of supporting rods; the feeding transfer mechanism comprises a feeding frame and a feeding guide rail, the feeding guide rail is fixedly connected with the feeding frame, and the feeding guide rail extends to the part between the two conveying mechanisms; the feeding transfer mechanism is connected with the discharging transfer mechanism in a butt joint manner, and the discharging transfer mechanism is provided with a plurality of layers in the vertical direction; the side walls of each material box are provided with grooves, the grooves are internally and rotationally provided with elastic clamping plates, and an obtuse angle is formed between each elastic clamping plate and the advancing direction of the corresponding material box. The component sorting device achieves conveying of the material boxes in the vertical direction by arranging the conveying mechanisms, and by arranging the discharging transfer mechanism and identification detecting devices, automatic identifying and sorting for materials are achieved, and the accuracy and the efficiency of material sorting are improved.

The invention discloses a dry-method lump coal sorting device. The dry-method lump coal sorting device comprises a vibration queuing and feeding device, a lump raw coal slide way, CMOS image acquisition devices, lens dust removers, an image post-processing device, a signal transmission and control system, baffles, a controller, a clean coal channel, a middling coal channel and a gangue channel, wherein lump raw coals with granularities of 50-150mm are queued through the vibration queuing and feeding device, and then fed to the corresponding lump raw coal slide way, each CMOS image acquisition system acquires lump raw coal images at a speed of 3-8fps, the images are transmitted to a background image processing system, the system carries out feature extraction and grey-level calculation on the images, divides ashes into three threshold value ranges, converts signals with grey-level differences to electric signals, and then controls the angles of the baffles to guide clean coal, middling coal and gangue in the corresponding collection channels. The dry-method lump coal sorting device has the following advantages: dry-method sorting can be realized, dependence on water can be reduced, and sorting of lump coals in arid regions can be achieved; and the equipment is small in size, low in energy consumption, and capable of improving raw coal sorting accuracy and automation degree.

The invention relates to an ingot scratch detection system and method based on depth learning and image processing technology. The invention solves the problems of low accuracy, low efficiency and hysteresis in detecting the defects of the wire spindle by manual method in the prior art, and the problems of serious error detection and low classification accuracy in the general automatic detection system. The system includes a tray for loading spindles, a conveyor belt is provided with a dark box on the conveyor belt, a sorting unit is arranged on the drive belt behind the dark box, an image acquisition unit is arranged in the dark box, the image acquisition unit sends the acquired information to the processing unit for scratch target detection, adopts depth learning CNN network detection toextract the scratch target, calculate the scratch target evaluation score, and judge the spindle grade according to the multi-grade division interval. The spindle is sorted according to the scratch grade sorting unit. Detection accuracy is higher, with using multi-level classification, classification accuracy is high.

The invention discloses a robot sorting method and system based on a vision sense. The robot sorting method based on the vision sense includes the following steps that, a structured light system is adopted to obtain a downward three-dimensional model of a targeted part; the downward three-dimensional model of the targeted part is matched with a base part model of a base model base which is built in advance, and the type of the targeted part and a transformational matrix between the downward three-dimensional model of the targeted part and the corresponding base part model are obtained; first position information of the targeted part is obtained according to the transformational matrix and the base part model; second position information based on a robot coordinate is obtained according to the first position information of the targeted part; and the targeted part is picked up according to the second position information, and sorting of parts is achieved by combining the type of the targeted part. The robot sorting method and system based on the vision sense solve the technical problem that a part grabbing method is incapable of recognizing and sorting in the prior art.

The invention discloses a multistage separating and screening machine which comprises a classifying screen set formed by overlapping at least two flat bottom separating screens in a detachable mode in the vertical direction. A receiving pan is arranged below the lowermost separating screen in the classifying screen set. The multistage separating and screening machine further comprises a workbench, a hinged seat arranged on the workbench, an oscillating plate hinged to the hinged seat and an air cylinder hinged to the workbench and the oscillating plate. The receiving pan is detachably connected to the oscillating plate. According to the multistage separating and screening machine, separating screens of different meshes are vertically overlapped to form the classifying screen set, the classifying screen set is then pushed to swing around a hinged shaft in a reciprocating mode by the air cylinder, classifying and screening on products are achieved, and compared with existing manual screening, the screening efficiency is improved greatly, and labor intensity is lowered greatly.

The invention discloses a method for quickly calculating the dominant wavelength in the measurement of colorimetric parameters of a light-emitting diode (LED), which consists of a sectionalized judgment algorithm and a variable step size inquiry algorithm. The method is to acquire relative spectral energy distribution curve data P(lambda[i]) of the LED to be measured through a sensitimeter (CCD) of a spectrograph, calculate the chromaticity coordinate of the LED according to the color matching function of CIE 19312 degree *(lambda), *(lambda), *(lambda), take equal-energy white light WE(xe=0.3333, ye=0.3333) as a reference light source, sectionalize data with the wavelength range between 360 and 780 nanometers in a CIE1931 chromaticity diagram, judge the section with the dominant wavelength according to the chromaticity coordinate, and quickly calculate the dominant wavelength of radiant light of the LED to be measured by the variable step size inquiry algorithm, wherein the precision is 1 nanometer. The method reduces the calculation of the dominant wavelength, improves the working efficiency, and is used for the online measurement and the separation of the colorimetric parameters of the LED.

The invention provides an ore-dressing method for recovering nickel from ore-washing slurry of copper-nickel sulfide ore. The method comprises the following steps: performing a gravity concentration process on the ore-washing slurry; storing and dewatering the ore sand of the gravity concentrate; performing an open-circuit grinding process; performing a main program check screening process; performing a closed-circuit grinding process on unqualified grains; adding drugs in qualified grains and then performing a flotation process, wherein after performing the processes of coarse selecting, scavenging and finely selecting, the nickel concentrate grade is 6%-8%, the copper grade is 1%-1.6%, the grade of nickel in tailings is less than or equal to 0.2%, and the grade of copper in tailings is less than or equal to 0.04%; and then concentrating and dewatering the gravity concentrate tailings by using a concentrating machine; performing a slurry flotation process; adding a dispersing agent after adjusting the slurry with high concentration; and adding an ore-dressing reagent in stage adding manner, wherein the nickel concentrate grade is 4%-7% and the copper grade is 0.8%-1.5%. The ore-dressing method has the advantages of low cost, high production efficiency and high comprehensive recovery rate of valuable metal. The ore-dressing method is an ideal ore-dressing method for recoveringnickel from ore-washing slurry of copper-nickel ore.

The invention relates to a robot sorting system, a robot sorting control method and a device. The robot sorting system comprises a robot, a rotary charging tray and a composite camera device, whereinthe robot is respectively connected with the composite camera device and the rotary charging tray; the robot is used for controlling the rotary charging tray to rotate according to preset rules and isused for controlling the composite camera device to collect visual information in the target area range in the rotary charging tray and controlling the robot to sort targeted objects to be sorted inthe target area range according to the visual information. The robot sorting system, the robot sorting control method and the device have the beneficial effects that by control for rotation of the rotary charging tray, recognition and sorting for stacked objects to be sorted can be realized, and the sorting efficiency can be improved.

The invention relates to an intelligent coal gangue separating machine which comprises a raw coal feeding hopper, a screening device, a primary conveyer belt conveyor and a secondary conveyer belt conveyor, a coal gangue identifying mechanism and a coal gangue separating mechanism, wherein a sequencing mechanism is arranged on the primary conveyer belt conveyor, an aligning mechanism used for carrying raw coal blocks conveyed by the primary conveyer belt conveyor, the coal gangue identifying mechanism comprises a raw coal block volume measuring device, an industrial personal computer, a weighing platform and a feeding device; the industrial personal computer is respectively connected with the raw coal block volume measuring device, a PLC and the weighing platform, the PLC is connected with the feeding device, the feeding device is arranged between the tail part of the secondary conveyer belt conveyor and the weighing platform; the coal gangue separating mechanism is a mechanical executing mechanism used for separating coal gangue on the weighing platform. The intelligent coal gangue separating machine is high in separating efficiency, free from pollution and high in automaton degree, can be used for separating coal and coal gangue, and has a wide application prospect in other mineral separation fields.

The invention discloses a two-section drum screen for municipal domestic waste. The two-section drum screen comprises a fixed stand, and a drum screen and a drum screen driving device which are arranged on the fixed stand, wherein the drum screen comprises a drum screen inlet section and a drum screen outlet section which are connected with each other; a feed port is formed at an inlet of the drum screen inlet section; an undersize collection device is arrange below the drum screen; a plurality of screen holes are formed in circumferential directions of the drum screen inlet section and the drum screen outlet section; a plurality of bag breaking knives are arranged on the circumferential inner wall of the drum screen inlet section; knife cleaning devices which are matched with the bag breaking knives are arranged in the drum screen inlet section; the peripheries of the drum screen inlet section and the drum screen outlet section are provided with hole cleaning devices for cleaning the screen holes; a plurality of strip-shaped object hanging devices are arranged on the circumferential inner wall of the drum screen outlet section; and three rows of hanging needle chains are arranged in the drum screen outlet section. According to the two-section drum screen, the functions of screening, bag breaking and strip-shaped object collection can be effectively achieved, and beneficial conditions are created for classification and recycling of the municipal domestic waste.

The invention provides a reservation type book management system. The reservation type book management system comprises a full-automatic reservation book stack and a reservation type book management module. The full-automatic reservation book stack comprises a book stack body, a book taking and returning mechanical arm and a book conveying platform. The reservation type book management module comprises a reservation data base, a book returning module, a book taking module and a communication module. The reservation type book management system intelligently manages and controls the book stack composed of a bookshelf, the book taking and returning mechanical arm and the book conveying platform through the reservation type book management module, can achieve warehousing and temporary storage of reserved books, and informs, reserves and processes book returning or book borrowing actions of readers and readers making in-place reservation. In addition, returned book classifying and transporting work is completely solved through mechanical automation, the work efficiency of a library is greatly improved, a mode that classifying and warehousing of returned books and processing work of reserved books only can be finished manually at present is completely replaced.

The invention discloses a coal-dressing hydraulic bracket for a caving coal working surface. The coal-dressing hydraulic bracket comprises a face guard, a front beam, a top beam, an upright post, a connecting rod mechanism, a caving shield, a coal caving tail beam, a coal caving plate, a motor, a vibration screen, a belt conveyor, a rear scraper conveyor, a gangue transportation warehouse, a baffle plate and a base, wherein the connecting rod mechanism is supported on the lower end of the caving shield; the scraper conveyor and the gangue transportation warehouse are arranged on the base; a gangue vibration motor is arranged on the caving shield, so that coal blocks drop through a vibration mesh below; a gangue discharge gate is controlled to be opened or closed so as to separate the gangues to the gangue transportation warehouse at the lower part through a side gangue sieve, so that the gangues and coal blocks are preliminarily separated underground; according to the differences in elastic modulus and hardness of the coals and gangues, the coals and the gangues are secondarily separated by an elastic plate. The coal-dressing hydraulic bracket has a simple structure and the advantages of reliable operation, practicality and convenience, easiness in underground application and the like, and can remarkably reduce the underground coal transportation cost.

The invention relates to the technical field of agricultural machine application and in particular relates to an assistant strawberry picking device comprising a picking vehicle; the bottom of the picking vehicle is provided with a traveling mechanism; two sides of the picking vehicle are provided with carding mechanisms; the top of the picking vehicle is provided with a shearing mechanism; both the carding mechanisms and the shearing mechanism are driven by a stepping motor; the tail of the picking vehicle is provided with a hand push rod on which a starting / stopping switch for controlling the stepping motor is arranged; and a vehicle body of the picking vehicle is provided with a strawberry collecting box. Due to the adoption of the structural arrangement, the traveling and steering of the picking vehicle can be conveniently realized by using the traveling mechanism; strawberries can be sorted by the carding mechanisms; the strawberries can be sheared by the shearing mechanism; and the sheared strawberries are collected by the strawberry collecting box, so that the work efficiency for strawberry picking is effectively increased, and meanwhile, the picking personnel can pick a great number of strawberries on ridges without stooping.

The invention discloses a defective goods eliminating and sorting device based on a medical infusion visible impurity detecting system. The device comprises a cutter, a swing plate, a driving device, a clamping cylinder and clamping fingers, wherein one end of the swing plate is mounted on a main shaft of the cutter; the driving device is arranged on the swing plate; the driving device comprises a motor, a motor mounting base, a cylinder mounting base and a lead screw; the clamping cylinder is mounted below the cylinder mounting base; the clamping fingers are arranged on the clamping cylinder; and the cutter and the motor are both controlled by a PLC control unit of a medical infusion visible impurity classifying, identifying and detecting system. The device is combined with an IDS-ELM algorithm to realize the identification and the classification of visual impurities and bubbles, can precisely classify and identify various defects, and can discard the defects with different types to different defective goods areas. The cutter is skillfully applied to solve the sorting problem which causes trouble during infusion for a long time in the prior art; and the device is simple in structure and easy to realize.