737results about How to "Increase functional diversity" patented technology

PCT No. PCT / JP97 / 04163 Sec. 371 Date Nov. 19, 1998 Sec. 102(e) Date Nov. 19, 1998 PCT Filed Nov. 14, 1997 PCT Pub. No. WO98 / 32645 PCT Pub. Date Jul. 30, 1998A mobile agricultural machine has a pair of right and left traction members (2), a transmission (23,24), a main speed change device (68) operable to transmit at any speed ratio a driving force from an engine (21) through the transmission to the traction members so that the traction members are driven at any traveling speeds. The machine further has a steerage (26,27), and a steering device (19) operable to cause the steerage to differentiate the traveling speeds between the traction members (2). The traveling speeds are reduced in response to an extent to which the steering device (19) is operated, so that the agricultural machine running straight for an agricultural work along its running course that is being adjusted may smoothly be controlled merely by a continuous manual operation to make a spinning turn on a bare end of the farm for the next course of the work.

The invention relates to a cleaning system and a cleaning robot. The cleaning robot comprises a dust collection mechanism, a mopping mechanism, a water storage mechanism, a steam generation mechanismand a switching mechanism. The dust collection mechanism is used for collecting dust and garbage. And in the advancing direction of the cleaning robot, the mopping mechanism is arranged on the rear side of the dust collection mechanism, and the mopping mechanism is used for making contact with a floor to be cleaned. The water storage mechanism is used for storing water. The steam generation mechanism communicates with the mopping mechanism, and the steam generation mechanism is used for heating and vaporizing water and conveying the steam to the mopping mechanism. The switching mechanism has afirst communicating state and a second communicating state, the switching mechanism communicates with the water storage mechanism and the steam generation mechanism in the first communicating state,and the switching mechanism communicates with the water storage mechanism and the mopping mechanism in the second communicating state. The cleaning system and the cleaning robot are diverse in function and high in intelligence.

The invention relates to a random walk and diversity graph sorting-based personalized service recommendation method. Firstly the defect in calculating user similarity by a conventional Pearson correlation coefficient is analyzed, and then a similarity relationship between users is subjected to multi-time transmission through a WRW model, so that more similar neighbors are found for a target user,and the data sparsity problem is effectively solved; based on predicted QoS values of all the similar neighbors, a service graph model is built by adopting an SGMC algorithm to filter a large amount of candidate services with excessively low performance, reduce an algorithm optimization space, and ensure quick convergence of a subsequent diversity graph sorting algorithm; and finally, an optimal node set is searched for on the service graph model by adopting an ONCS policy, and k nodes contained in the set are a service list recommended to the user and having recommendation accuracy and functional diversity. The method has relatively high recommendation accuracy and relatively good functional diversity, and can meet potential functional demands of the users to the maximum extent while ensuring service recommendation quality.

The invention discloses a text sentiment classification method and system, and the method comprises the steps: dividing a text sentence in terms of words, and mapping each word into a word vector; extracting keywords in the text sentences, respectively constructing a word vector attention matrix, a position attention matrix and a part-of-speech attention matrix according to word vectors of the keywords, positions of the keywords in the text sentences and emotion part-of-speech types to which the keywords belong, and fusing the word vector attention matrix, the position attention matrix and thepart-of-speech attention matrix to construct a first feature; adopting a BiGRU network to obtain a second feature according to the context semantic information of the keyword; and classifying the emotion types of the text sentences to be tested by adopting a multi-attention convolutional neural network model trained by taking the first features and the second features as a training set. Accordingto the method, a keyword sentiment classification first-dimensional feature is obtained in combination with a CNN model of a multi-attention mechanism, an initial sentence sentiment classification second-dimensional feature is obtained through BiGRU, the two dimensional features are fused, the text deep-level semantic perception capability is improved, and then the text sentiment classification accuracy is improved.

A folding seat arrangement for a motor vehicle, comprising a first carrying structure (2) having a backrest (3) disposed thereon and sealable sliding or guiding elements (11) for the detachable and / or removable attachment in guide rails (9) at the bottom of the motor vehicle interior, a second carrying structure (5) that is pivotally mounted relative to the first carrying structure (2) and has a seat cushion (4), and a supporting structure (6; 31), on which in a first end region sliding or guiding elements (10) are provided for the detachable and / or removable attachment in guide rails (9) and which in a second end region is mounted on a carrying structure (2; 5) in an articulated manner in order to remove forces therefrom in the guide rail (9) resulting from a load on the seat cushion (4), is to be refined such that the seat arrangement in the folded setting (storage setting) requires the least amount of space in the lower region of the expanded luggage compartment, however still provides an unobstructed view through the rear window. This is achieved in that the sliding or guiding elements (11) on the first carrying structure (2) and the supporting structure (6; 31) can be moved relative to one another to pivot the supporting structure (6; 31). Improved functional diversity of the folding seat arrangement is achieved in that the connection between the first connecting part (72) and the associated connecting part (9) on the vehicle side permits a forward pivoting of the first carrying structure (2) and the supporting structure (71) can be bent in a bending joint (76), whereby a forward displacement of the connecting site to the second carrying structure (5) is possible by pivoting the first carrying structure (2).

The invention provides an unmanned ship unmanned aerial vehicle cooperative system and a control method. The system comprises multiple unmanned aerial vehicles, multiple unmanned ships and a control center; the unmanned aerial vehicles are rotor wing unmanned aerial vehicles, and charging ports of the unmanned aerial vehicles are located at the lower sides of the vehicle bodies; each unmanned shipcomprises a halt platform and a plurality of unmanned aerial vehicle taking-off and landing charging devices arranged on the halt platform; the control center comprises an offshore control center anda shore based control center. The unmanned ships are defined as transfer and charging platforms of the unmanned aerial vehicles, meanwhile, the taking-off and landing charging integrated device design scheme is put forwards, and the device structure is simplified, multiple functions are achieved; for solving the problem of the unmanned aerial vehicles how to safely take off and land on jolting unmanned ship decks, a pan-tilt is adopted for isolating swing motion of ship bodies, a buffer device is used for avoiding collision when the unmanned aerial vehicles land on the decks, and a fixing device is used for being in cooperation with taking-off and landing of the unmanned aerial vehicles. The integrated control scheme for integrating the unmanned aerial vehicles, the unmanned ships, the offshore control center and the shore based control center is put forwards, and the synergic effect is brought into full play.

The invention provides a special electro-cardiscope monitor for pediatric nursing and belongs to the technical field of medical equipment. A body device is mounted on a mounting base by use of a support device; a rotating ring is arranged at the joint of the body device and the support device; a display screen device is mounted on the front end of the body device; a sterilizing lamp is mounted on the body device at the upper end of the display screen device; a handle is mounted at the upper end of the body device; a control panel structure is mounted inside the body device; a blood pressure sleeve structure is mounted on the sidewall of the body device; the control panel structure is connected with the input ends of the sterilizing lamp, the display screen structure and the blood pressure sleeve structure, respectively; a wire outlet is mounted on the sidewall of the mounting base; a plug is connected with the wire outlet by use of a lead; the wire outlet is further connected with the control panel structure by use of a lead. Due to the arrangement of the sterilizing lamp and the body device, the special electro-cardiscope monitor is visual in observation and accurate in monitoring; the monitoring effect is improved and the sterilizing operation is simple; besides, the special electro-cardiscope monitor is safe and reliable, and complete in functional diversity.

The invention discloses and belongs to the technical field of a hybrid microgrid system, and provides an AC-DC hybrid microgrid system containing a plurality of DC sub-networks and a control method of the AC-DC hybrid microgrid system. In structure, effective integration of a photovoltaic power generation system, an energy storage system, an electromobile and an AC microsource is achieved, and the reliability and the stability of the interior of a microgrid are improved; and moreover, the plurality of DC sub-networks are connected with AC bus in a start shape by respective interconnection power converters to form a reasonable power supply layout with AC sub-networks. According to the control method, ESO current feedforward control based on an expansion state observer is performed on the condition that an extra hardware sensor is not needed, the stability of the system is simultaneously ensured, and the plug-and-play characteristic of a distributed microsource in the hybrid microgrid can also be met; the power flowing for equalization between each DC sub-microgrid and the AC microgrid is coordinated, and the continuous running of the whole system is maintained; in an island model, all important loads are all connected to the AC microgrid; and when an output power is insufficient, the important loads are enabled not to be powered off.

Embodiments of the invention relate to a mass resolving aperture that may be used in an ion implantation system that selectively exclude ions species based on charge to mass ratio (and / or mass to charge ratio) that are not desired for implantation, in an ion beam assembly. Embodiments of the invention relate to a mass resolving aperture that is segmented, adjustable, and / or presents a curved surface to the oncoming ion species that will strike the aperture. Embodiments of the invention also relate to the filtering of a flow of charged particles through a closed plasma channel (“CPC”) superconductor, or boson energy transmission system.

The invention provides a method and a system for atmosphere lamp control, a vehicle, a storage medium and an electronic device. The method for atmosphere lamp control comprises: acquiring a first sound loudness corresponding to a sound input signal in real time; determining brightness information of an atmosphere lamp according to the first sound loudness, so that a vehicle machine generates a control signal according to the brightness information and the atmosphere lamp responds to the sound input signal to display brightness change, wherein a brightness value corresponding to the brightnessinformation becomes larger as the first sound loudness is enhanced. The atmosphere lamp control method realizes linkage between brightness of the atmosphere lamp and the input sound signal, enriches functional diversity of the atmosphere lamp, and enhances interaction between the atmosphere lamp and people in the vehicle.

The invention relates to a composite microbial agent for treating domestic garbage and a method for treating the domestic garbage by using the composite microbial agent. The composite microbial agent for treating the domestic garbage is prepared from the following components: brevendimonas diminuta, pseudomonas stutzeri, pseudomonas maltophilia, pseudomonas fluorescens, pseudomonas putida, candida utilis, candida lipolytica, schizosaccharomyces pombe, schizosaccharomyces octosporus, bacillus megatherium, bacillus subtilis, bacillus cereus, alcaligenes faecalis, clostridium beijerinckii, achromobacter denitrificans, nocardia coralline, and the like, wherein the parts by weight of the brevendimonas diminuta are 1-5, the parts by weight of the pseudomonas stutzeri are 1-5, the parts by weight of the pseudomonas maltophilia are 1-5, the parts by weight of the pseudomonas fluorescens are 1-5, the parts by weight of the pseudomonas putida are 1-5, the parts by weight of the candida utilis are 1-5, and the parts by weight of the candida lipolytica are 1-5.

The invention discloses a cleaning device for a dust removal filter cartridge. The cleaning device comprises a bottom plate, the left side of the upper surface of the bottom plate is fixedly connectedwith the bottom end of a first support plate, a thread cap is connected at the bottom part of the first support plate in a clamping way, a thread rod is in thread connection on the inner wall of thethread cap, the left end of the thread rod is fixedly connected with the right side of a handle, the right end of the thread rod is rotatably connected with a bearing pedestal, and the right side surface of the bearing pedestal is fixedly connected with the left side surface of a first clamping plate. The cleaning device for the dust removal filter cartridge is provided with the thread rod, the first clamping plate, a first telescopic rod, a spring, a second clamping plate, an electric push rod, a drive motor, a cleaning brush, a water pump, a water tank and a filter screen, so that the dust in the folds of a dust removal filter cartridge body is completely cleaned, the time and the labor are saved, the cleaning efficiency is high, the optimal use effect is achieved, meanwhile, the cleanedwater is repeatedly used, the functional diversity is improved, and the dust is prevented from being inhaled in the body of a worker to affect the body health in the process of manual cleaning.

The invention relates to the technical field of environmental protection equipment, and especially relates to efficient sewage treatment equipment. Sewage and a disinfectant are stirred and mixed, sothe mixing uniformity of the disinfectant and the sewage can be conveniently improved, the disinfection and sterilization effects of the disinfectant on the sewage are effectively improved, the working effect of the equipment is improved, meanwhile, the functional diversity of the equipment is improved, the disinfectant can conveniently and comprehensively treat the sewage, the sewage treatment time is shortened, the working efficiency is improved, and the practicability and reliability are improved. The EQUIPMENT comprises a treatment bin, four supporting legs, a water inlet pipe, a drainagepipe, a drainage valve and a rotating bin, the four supporting legs are evenly installed at the bottom of the treatment bin, the water inlet pipe is installed on the upper left side of the treatment bin, the drainage pipe is installed on the right side of the bottom of the treatment bin, and the drainage valve is installed on the drainage pipe.

The invention discloses a medical laser control system and a medical laser control method. The medical laser control system comprises a main control board, a feedback signal module, a man-machine interface unit, a control signal module, and a laser. During starting-up self-inspection, the medical laser control system is used for inspecting every signal by turns, and is used to give alarm sounds to prompt workers. After the signals are connected, the inspection is carried out again. After the good connection of all of the signals is detected, the medical laser control system is capable of automatically skipping to a parameter setting interface, and operators can set charging voltage, working frequency, and energy, which are stored in an SD card automatically. In a standby preparation interface, the closing of the laser is controlled, and connection of optical fibers is detected, and then the laser is in a ready-to-transmit stage, and medical staff trample a foot-operated switch to output laser. In a real-time detection interface, the acquired working state parameters of the laser are displayed in a real-time manner. The flexible skipping among various working modes is realized, and the working efficiency of the medical staff is improved.

The invention discloses an air conditioner and a control system thereof. The air conditioner comprises a smoke sensor and a controller. The smoke sensor is used for detecting smoke information of indoor environment of the air conditioner. The controller connected with the smoke sensor is used for receiving the smoke information from the smoke sensor, generating first fire warning information according to the received smoke information and sending the generated first fire warning information to a user terminal. The first fire warning information is used for warning users of indoor fire accidents. By the air conditioner and the control method thereof, the problem of single function of air conditioners in related techniques is solved.

The invention relates to a capacitor placing device, especially relates to a heat-dissipating-type capacitor placing device, and is to solve the technical problem of providing the heat-dissipating-type capacitor placing device, which is full in heat dissipation, various in function and simple to operate. In order to solve the technical problem above, the invention provides the heat-dissipating-type capacitor placing device, which comprises a support plate, a bottom plate, a swing base, an ellipse cam, a moving rod, a guide rod, a first spring, a contact roller, a special-shaped block, a right support, a toothed bar and a first bearing pedestal and the like. The top portion of the bottom plate is provided with the support plate, the swing base, the guide rod and the right support in sequence from the left to right; the right side of the support plate is provided with a cylinder body; the cylinder body is internally provided with a piston; and the top portion of the piston is provided with a placing tank body. The heat-dissipating-type capacitor placing device achieves effects of full heat dissipation, various functions and simple operation; the device can start the functions of heat radiation and cooling and dust removing and the like simultaneously, thereby realizing function diversity of the device; and a capacitor can work better.

The invention relates to a root rot disease prevention and treatment pesticide of fruit trees, aiming at solving the technical difficulty that root rot diseases are difficult to prevent and control. The root rot disease prevention and treatment pesticide is prepared from the following raw materials in percentage by weight: 3%-10% of humic acid, 10%-50% of macroelements, 0.3%-1.5% of a plant growth regulator, 0.5%-1% of a sterilizer and the balance of water. The invention further discloses a root rot disease prevention and treatment method which mainly comprises the following steps: (1) annularly applying a biological organic fertilizer in autumn; (2) before germinating in spring of the next year, carrying out pesticide root irrigation by utilizing the root rot disease prevention and treatment pesticide in a range of being 20cm-30cm away from projection lines of tree crowns; and (3) if finding the fruit trees have a root rot disease, carrying out the pesticide root irrigation by utilizing the root rot disease prevention and treatment pesticide in a range of being 30cm-40cm away from the projection lines of the tree crowns. According to the root rot disease prevention and treatment pesticide and method of the fruit trees, prevention and treatment can be combined, and dual management is carried out on the fruit trees and soil; and sterilization and nutrients are combined in the pesticide, the effects are mutually promoted, and the prevention and treatment effects are remarkable.

The invention provides a multipurpose golf divot which comprises a divot body, a badge base and a mark badge, wherein a magnet used for absorbing the mark badge is fixed on the badge base; one face, which is fixed with the mark badge, of the badge base is taken as a front face; the top of the badge base is bent towards the back face of the badge base to form a clamping piece, and a seam is reserved in the space between the clamping piece and the back face of the badge base; by means of the seam, the multipurpose golf divot is clamped and buckled at positions such as a girdle, pockets and the like, thereby being convenient for carrying; and the clamping piece can serve as clinchers such as a bobby pin and the like for use, thus the functional diversity of the multipurpose golf divot is enhanced.

The invention provides a multimedia display and identity recognition device and system. The device comprises a multimedia display unit for playing a multimedia file, and an identity recognition unit which is in communication connection to the multimedia display unit, and used for recognizing the identity of a user and displaying identity recognition result information on a multimedia file picture played by the multimedia display unit. The multimedia display unit and the identity recognition unit are combined and matched with each other to realize a scheme giving consideration to multimedia work attendance check and video utilization, so that the functional diversity and commercial value of work attendance check equipment are improved greatly.

The invention relates to a radiating and dust removing device, in particular to a rapid radiating and dust removing device for a power filter. The technical effect that the rapid radiating and dust removing device for the power filter which is complete in radiating, diversified in function and easy and convenient to operate is provided is achieved. In order to achieved the technical effect, the provided rapid radiating and dust removing device for the power filter comprises an L-shaped frame, a first wedge block, a second wedge block, a first sliding block, a first sliding rail, a bottom plate, a movable rod, a sliding shaft, a movable block, a second sliding rail, a second sliding block and the like. The L-shaped frame and the first sliding rail are arranged at the top of the bottom plate. The L-shaped frame is located on the left side of the first sliding rail. A cylinder block is arranged on the left side of the L-shaped frame. A piston is arranged in the cylinder block. The second wedge block is arranged at the bottom of the piston. The effects of complete radiating, diversified functions and easy and convenient operation are achieved, the functions of radiating, cooling, dust removing and the like can be started simultaneously, and the functional diversity of the device is achieved.

The invention discloses a multifunctional magnetron sputtering film coating device. The device comprises a vacuum chamber, a top cover, a connecting rod and a substrate frame, wherein the top cover is detachably connected onto the top of the vacuum chamber; the connecting rod is fixedly connected onto the top cover and arranged within the vacuum chamber in a suspension way, the substrate frame is in cup joint with the lower end of the connecting rod in a rotating and lifting way, a plurality of substrate carriers are arranged on the bottom surface of a disc at the bottom of the substrate frame, and heating devices are arranged above the disc and on the positions which correspond to the substrate carriers; a plurality of magnetron sputtering targets arranged on the same periphery are arranged on the position where the bottom of the inner cavity of the vacuum chamber corresponds to the substrate carriers, an inclined angle which is available between the target head arranged at the upper part of each magnetron sputtering target and the main shaft of the vacuum chamber can be adjusted from 0-45 degrees, and a turnover sputtering baffle plate is arranged under the target heads on the magnetron sputtering targets. The device has the characteristics of being compact in structure, high in practicability, and diversified in function, and the requirement for the research of a thin-film technology and a component test by a magnetron sputtering method in the colleges and universities and the scientific research institutions can be met.

The invention discloses a planar optical device capable of generating vertex light fields in doubles channels of a near field and a far field simultaneously and a design method and a preparation method of the planar optical device. According to the planar optical device, simultaneous generation of the vertex light fields in the two channels of the near field and the far field is realized for the first time by use of a metallic super-structure surface material, wherein a focused surface plasmon vertex light field exists in the near field, a focused free space vertex light field exists in the far field, and topological loads carried in the vertex light fields generated in the two channels can be flexibly matched according to demands. The planar optical device which is designed by use of the method and can generate the double-channel vertex light fields has an important meaning for a high-density communication and multifunctional integrated optical system based on the vertex light fields in the future.

The invention provides a multifunctional massage system for the neurology department and belongs to the technical field of medical instruments. The lower end of a base is provided with universal wheels, and the upper end of the base is provided with a telescopic device. The middle of the telescopic device is provided with a seat. The seat is provided with leg massagers. Foot training devices are arranged at the position, at the lower end of the seat, of the telescopic device. A touch control display screen is arranged at the position, at the upper end of the seat, of the telescopic device. The top of the telescopic device is provided with a connection transverse rod. The two ends of the connection transverse rod are provided with finger training devices. The two ends of the base are provided with a fixing frame. The upper end of the fixing frame is provided with a back massager. The upper end of the back massager is provided with a supporting rod. The supporting rod is provided with a shoulder training device. The touch control display screen is connected with signal output ends of the shoulder training device, the finger training devices, the foot training devices, the back massager and the leg massagers. The rehabilitation effect is remarkable through the shoulder training device, the finger training devices, the back massager and the touch control display screen.

The invention discloses a preparation method of a near infrared light driving 4D intelligent deformation material. The near infrared light driving 4D intelligent deformation material with near infrared light response anisotropy in spatial dimension is prepared through in-situ radical polymerization by taking mold forming as a preparation method, N-isopropylacrylamide type intelligent hydrogel as amain body material and graphene oxide as a photothermal conversion agent. The near infrared light driving 4D intelligent deformation material prepared by the method has high interface bonding strength, high response speed, high mechanical strength and long service life, and is low in production cost, convenient to process and manufacture and wide in application range; and a new effective method for solving the actual application problem of the near infrared light driving 4D intelligent deformation material is provided.

The invention provides an intelligent access control system based on voice control. The intelligent access control system comprises an access control module, a processing module and an execution module. The access control module is used for inputting password information, obtaining voice feature information and face feature information, receiving a door lock signal, and performing access control;the processing module communicates with the access control module, can recognize password information, voice feature information and face feature information, and compares the password information, the voice feature information and the face feature information with original password information, language information and face information stored in the processing module respectively, so that door lock control information is sent out, and the door lock and the execution module are controlled to work. The electromagnetic lock can be automatically controlled to be unlocked only when face recognition and voice recognition are successful at the same time or after face recognition is successful and password input is correct, so that the safety of the electromagnetic lock is improved through two-layer verification; and the door lock system can be combined with household equipment for use, so that the function diversification of the access control system is improved.

The invention discloses discharging and stacking equipment used after sheet metal part machining and a using method therefor, and belongs to the technical field of sheet metal part machining. The equipment comprises a frame, a conveying base, and two first rotating shafts installed on the frame and rotatably installed on the inner wall of the conveying base; conveying rollers are fixedly connected to the outer surfaces of the two first rotating shafts; the two conveying rollers in transmission connection through a conveying belt; two feeders are arranged above the conveying belt; the feeders are assembled to be used for being matched with the conveying belt to feed machined sheet metal parts, so that the machined sheet metal parts can be rapidly discharged, and the stability in the conveying process can be guaranteed; by arranging an elastic stacking unit, a material receiving plate is driven to move downwards to extrude a first spring to contract under the action of gravity by means of cooperation of the feeders and the sheet metal parts conveyed by the conveying belt, then orderly stacking of the sheet metal parts in the vertical direction is implemented; and after the stacked sheet metal parts are taken down, the material receiving plate can rapidly restore to the original position to wait for next stacking, so that the structure is simple, and the use is convenient.

The invention relates to a tilting horizontal tail with a power mechanism. The tilting horizontal tail comprises an aircraft body, a vertical tail and a tilting flat tail, wherein the vertical tail and the tilting flat tail are arranged on the aircraft body. The tilting horizontal tail is characterized in that the tilting flat tail comprises a flat tail beam penetrating the vertical tail and horizontal tail bodies arranged on the flat tail beam, and an actuator used for driving the flat tail beam to rotate is further arranged in the vertical tail. The tilting horizontal tail has the beneficial effects that the actuator arranged in the vertical tail is used for driving the flat tail beam penetrating the vertical tail to rotate, so that the horizontal tail bodies, connecting rods and a propeller engine are driven by the flat tail beam to tilt or stop at any angle, and the overall coordination and functional diversity of an aircraft are achieved through the lifting power or thrust power of the propeller engine.

The invention discloses a modularized robot system which comprises a master control module, an ultrasonic input module, a first motor module, a second motor module and a universal wheel module, wherein the two surfaces of the universal wheel module are separately connected with the master control module and the ultrasonic input module; and two opposite surfaces of the master control module are separately connected with the first motor module and the second motor module. According to the modularized robot system disclosed by the invention, each modular is equipped with an unified electrical interface, so that operations are especially convenient; corresponding functional modules are randomly combined to obtain a robot with a needed function while a circuit board on a bottom layer and a structure do not need to be re-designed; the modules only need to dismount and joint, so that flexibility and function variety of the robot system are improved, and therefore, robot development efficiency is also improved.

The invention discloses full-automatic fruit screening equipment, and belongs to the technical field of fruit planting and processing. The full-automatic fruit screening equipment comprises a rack, adriving box and an inclined screening plate are installed on the rack, a cleaning box body is arranged above the driving box, a box cover a is installed on the cleaning box body in a buckled mode through a lock catch a, water falling holes are formed in the lower surface of the cleaning box body, and a sealing baffle is hinged to the right side surface of the cleaning box body through a pin shafta. Water in a water tank is pumped through a water pump and sprayed out through spray heads for cleaning, and a cam rotates to be matched with a spring a to enable a supporting plate to drive the cleaning box body to continuously move up and down in a reciprocating mode so that fruits in the cleaning box body can be effectively cleaned, the cleaning effect is good, and the fruits do not need to becleaned after being screened; and a filter screen is matched with a water receiving cover to collect the water after cleaning and filter the water to be repeatedly pumped by the water pump so that water resources can be repeatedly used, waste is avoided, the structure is simple, and operation is convenient.

The invention discloses a chemical material screening machine for chemical engineering. The chemical material screening machine comprises a screening box, the top of the screening box is fixedly connected with a material dispersing mechanism, and the top of the material dispersing mechanism is fixedly connected with a metal chip filtering mechanism. A first screening mechanism is arranged at the upper end of an inner cavity of the screening box, and a second screening mechanism is arranged in the inner cavity of the screening box and located at the lower end of the first screening mechanism. Aseparator plate is fixedly connected to the middle end of the inner cavity of the screening box, and a material smashing mechanism is arranged at the lower end of the inner cavity of the screening box. Supporting legs are fixedly connected to the periphery of the bottom of the screening box, and non-slip mats are connected to the bottoms of the supporting legs through mucilage glue. A fourth discharging port is formed at the bottom of the right side of the screening box. The chemical material screening machine is provided with the metal filing filtering mechanism, the material dispersing mechanism and the material smashing mechanism, thereby effectively improving the screening effect and the function diversity of the screening device on materials, and bringing great convenience to people.