904results about How to "Realize the collection" patented technology

The invention relates to the technical field of wind power generation, and discloses a wind turbine generator set with a vibration reduction function and a construction method thereof.According to the wind turbine generator set with the vibration reduction function, a vibration reduction structure is additionally arranged, and the two elastic ends, arranged in the axial direction, of an elastic buffering piece are connected with the outer wall of a tower drum and the inner wall of a sleeve correspondingly; the elastic buffering piece can effectively absorb and relieve vibration of the sleeve, vibration impact borne by the tower drum is reduced, the overall stability of the wind turbine generator is improved, and safe and stable movement of the wind turbine generator is guaranteed. Compared with a conventional scheme that the diameter or the wall thickness of the tower drum is increased, the damping structure is simple in structure, convenient to install and maintain and low in cost.

The invention relates to zipper tape pre-expanding equipment which comprises a workbench, a feeding device, a pre-expanding device and a discharging device. The feeding device is provided with a synchronous conveying pressing belt, and a heating and shaping device is arranged below the conveying pressing belt. The defects that in the prior art, heating and shaping time is short, and the pre-expanding and shaping effect is poor are overcome, the zipper tape is fully heated before pre-expanding, the pre-expanding effect is good, and deformation is not prone to occurring.

The utility model discloses an inner ring polishing device for bearing machining, which belongs to the field of bearing machining and comprises a base, a machining table is rotatably arranged on the base, a lifting cylinder is arranged in the base, and the machining table is rotatably arranged on the surface of the lifting cylinder. According to the bearing polishing device, the clamping mechanism, the adjusting mechanism and the inner ring polishing mechanism are arranged, a bearing can be fixed to the position above the machining table through the clamping mechanism so that the bearing can be suspended, polishing can be conducted conveniently, and the horizontal position of the inner ring polishing mechanism can be adjusted through the adjusting mechanism; after adjustment is completed, the four inner ring grinding mechanisms can make contact with the inner rings of the bearings at the same time so that the inner ring grinding mechanisms can be suitable for bearings of different sizes, when the machining table rotates, chippings on the surface of the machining table can be scraped by the chipping cleaning mechanisms at the bottoms of the inner ring grinding mechanisms so that the chippings can be collected, workers do not need to stop the machining table regularly for cleaning, and the working efficiency is improved. Therefore, the grinding efficiency of the bearing is improved.

The invention discloses an intelligent cloud problem fault analysis method and system, and relates to the technical field of cloud computing, and the method comprises the steps: extracting data features, and carrying out the first extraction of fault features; carrying out fault prediction and positioning; and establishing a first alarm mechanism, creating a fault management knowledge base, and providing an automatic processing suggestion. According to the method, deep analysis and processing of fault data are achieved by extracting fault features, the accuracy and efficiency of fault prediction and positioning are improved, guarantee is provided for the stability and reliability of a cloud system, efficient recognition and processing of faults are achieved through fault prediction and positioning, and the fault prediction and positioning efficiency is improved. According to the invention, the method improves the accuracy and efficiency of fault processing, guarantees the stability and reliability of the cloud system, achieves the quick response and effective processing of faults through a fault alarm mechanism and a fault management knowledge base, and improves the operation and maintenance efficiency and the stability and reliability of the cloud system.

The utility model belongs to the technical field of nut machining equipment, and particularly relates to a nut tapping machine. Comprising a working table top, a material conveying mechanism is arranged on the working table top, a to-be-machined nut transmitted in the material conveying mechanism enters a transferring mechanism from the discharging end, the transferring mechanism drives the to-be-machined nut to move to the clamping range of a clamping mechanism, the clamping mechanism clamps the nut, and the nut clamped by the clamping mechanism is located at the machining position; the effects that manual feeding is omitted, manpower is liberated, and meanwhile the production efficiency is improved through the arrangement of the transfer mechanism are achieved.

The utility model discloses a waste scrap collecting device of an abrasive belt type polishing machine, which belongs to the technical field of polishing and comprises a protection box, a supporting table is fixedly connected with an inner cavity of the protection box, a first motor is fixedly mounted at the top of the supporting table, a transmission assembly is arranged on the first motor, an abrasive belt is arranged on the transmission assembly, and the abrasive belt is fixedly connected with the inner cavity of the protection box. An inner cavity of the protection box is fixedly connected with a connecting plate, and the two sides of the connecting plate are fixedly connected to the bottom face and the inner wall of the inner cavity of the protection box correspondingly. According to the abrasive belt polishing device, when the abrasive belt is used for polishing materials, the second motor is used for driving the roller brush to rotate, and the roller brush is used for brushing the surface of the abrasive belt, so that sweeps adsorbed to the surface of the abrasive belt are cleaned, the function of cleaning the sweeps attached to the surface of the abrasive belt is achieved, and the effect that the abrasive belt polishes the materials is guaranteed; and the practicability of the device is improved.

The present application relates to a copper bar punching and shearing integrated device for a distribution box, and relates to the technical field of copper bar shearing and punching equipment, which includes a frame, a shearing assembly arranged on the frame in a lifting manner, a punching assembly arranged on the frame in a lifting manner, and a collecting assembly arranged on the frame, wherein a workbench is provided on the frame, and a clamping assembly for clamping the copper bar is provided on the workbench; the clamping assembly includes a fixed block arranged on the workbench, a clamping block slidably arranged on the fixed block, and a sliding member for slidingly adjusting the clamping block, and the copper bar is placed on the fixed block, and the clamping block is movably fitted with a side close to the fixed block. The present application has the effect of facilitating the simultaneous shearing and punching of the copper bar, and improving the processing efficiency of the copper bar.

The invention relates to the technical field of medical instruments, in particular to a flexible ureteroscope used in cooperation with a diameter-variable ureteroscope sheath, which comprises a ureteroscope sheath body and a flexible ureteroscope body, the ureteroscope sheath body comprises a deformation section and a support section, the deformation section has a first form and a second form, and the flexible ureteroscope body comprises a handle section and a ureteroscope tube section. The endoscope tube section comprises a first tube body part and a second tube body part, a fixing groove is formed in the first tube body part, and the outer diameter of the deformation section in the first form is smaller than or equal to the outer diameter of the first tube body part; the inner diameter of the deformation section in the second form is greater than the outer diameter of the first pipe body part; a first liquid injection channel is further arranged in the endoscope tube section, and a first liquid outlet hole is formed in the fixing groove. Compared with the prior art, in the operation of expanding the human body ureterostenosis section by the deformation section, a stenosis ring in the human body ureterostenosis section does not need to be broken by supporting, so that the injury to the human body ureter in the ureteroscope lithotripsy is effectively reduced, and the postoperative pain of a patient is reduced.

The utility model discloses a testing machine for reproducing the white peeling phenomenon of a bearing, which comprises a testing stand, a belt pulley bearing support is arranged at the upper end of the testing stand, a plurality of bearing seats for placing belt pulley bearings are arranged on the belt pulley bearing support, each bearing seat is provided with a belt pulley bearing, and the belt pulley bearing is arranged on the belt pulley bearing support. A driving motor used for driving a belt pulley is arranged at the lower end of the test bed, a driving wheel is arranged at the position, corresponding to a belt pulley bearing, of one end of the driving motor, a belt is in transmission connection between the driving wheel and the belt pulley bearing, the test bed is provided with a plurality of supporting table legs, and elastic pieces are arranged between the supporting table legs and the test bed. The testing machine can simulate the testing environment of belt pulley bearing speed change and vibration testing, the simulation effect is good, and the structure is simple.

The utility model provides a material receiving device for lead frame processing, and belongs to the technical field of electronic component processing. The platen is arranged behind the outlet of the punching machine, the upper counting assembly is arranged on the platen, the supports on the two sides of the upper counting assembly are arranged on the two sides of the outlet of the punching machine respectively, the supporting frames capable of stretching out or drawing back are arranged on the supports, and the counting sensor is installed on the support on one side. A lower collecting and feeding assembly comprising a plurality of conveying belts is arranged below an upper counting assembly, so that lead frames sent out from an outlet of a punching machine can be supported by a bearing frame firstly and are counted independently through a counting sensor, and the counted lead frames fall onto the conveying belts and are stacked under the guiding effect of a side support. And after being stacked to the preset number, the materials are conveyed out through the conveying belt, the collecting and arranging requirements are met, manual participation is not needed, the workload is lower, the machining efficiency is higher, meanwhile, the safety risk existing in manual arranging can be avoided, and the machining safety is improved.

The invention relates to the technical field of screening equipment, and provides a dewatering screen for sand-mud separation, the dewatering screen comprises a base, a screen box and a vibration motor, the screen box is mounted on the base through a plurality of rubber springs, and the vibration motor is mounted on the screen box; a first-level screen and a second-level screen are arranged in the screen box from bottom to top in a supporting mode, and meshes of the second-level screen are smaller than those of the first-level screen. A first muddy water collecting tank is arranged on the base, and a swirler is further arranged on the base in a supporting manner; a cyclone bottom flow port is located above the feeding end of the second-stage screen, a first slurry pump is arranged on one side of the first muddy water collecting tank, the water inlet end of the first slurry pump is communicated with the first muddy water collecting tank, and the water outlet end of the first slurry pump is communicated with a tangential feeding port of the cyclone. According to the recycling device, small-particle-size gravel in muddy water generated by the dewatering screen is recycled, and resource waste is effectively reduced.

The invention discloses a cardiovascular disease intelligent diagnosis and treatment auxiliary system which comprises a hospital server terminal, a cardiovascular disease intelligent diagnosis and treatment cloud platform, a doctor mobile terminal, a medical care mobile terminal and a patient mobile terminal. The hospital server terminal is used for compiling a clinical patient medical record created and uploaded by a doctor and data uploaded by medical care for clinical examination of a patient, and creating a medical record model of the patient, and the hospital server terminal uploads the created medical record model to the cardiovascular disease intelligent diagnosis and treatment cloud platform for cardiovascular case big data collection; according to the intelligent diagnosis and treatment auxiliary system for the cardiovascular disease, in the intelligent diagnosis and treatment process, a medical record model of a patient can be analyzed, healing duration data of cardiovascular diseases of the same type in a patient healing and disease death record storage unit are retrieved and called, and the healing duration of the patient is calculated and predicted through big data; and the disease death duration data of the same type of cardiovascular diseases in the patient healing disease death record storage unit are retrieved and called, and the survival rate of the patient is calculated and predicted through big data.

The invention discloses an electric power data acquisition method based on an electric power system, relates to the technical field of data acquisition, and solves the technical problem of dynamically adjusting the acquisition frequency and the acquisition period according to the actual condition of electric power data. And whether the current acquisition period and frequency setting are reasonable can be found in time. If the data format is not reasonable, the collection period corresponding to the historical data which is similar to the current time period and has the minimum collection period comparison value is screened out based on the historical data to serve as the adjustment standard, dynamic optimization of the collection period is achieved, and the transmission speed of the normal data format is obtained and sorted; and the relationship between the conversion response time of the conversion data format and the data capacity is analyzed, and the most suitable normal data format is selected for transmission according to the actually acquired power data capacity, so that the data acquisition and transmission efficiency can be improved.

The invention relates to an insurance industry-oriented customer full-life-cycle event data modeling method and system. The method comprises the steps of collecting customer full-life-cycle event data through a customer contact channel and a business processing link of an insurance industry; preprocessing the collected data, and converting the data into structured data; key elements are extracted from the preprocessed structured detail data; performing hierarchical and classified storage on the structured data based on a hierarchical and classified event data model, and respectively establishing a trunk index model and an expansion detail model in combination with the key elements; generating a unique event ID (Identity) for each event from the key elements; and performing data query optimization and providing data service based on the trunk index model, the expansion detail model and the event ID. Compared with the prior art, the method has the advantages that massive customer event data can be efficiently integrated and analyzed, the data processing and query capability is improved, more efficient and flexible data services are provided, and decision support is provided for the insurance industry.

The invention relates to the technical field of data processing, and discloses a limit scooter structure design management method and system and a limit scooter. The method comprises the following steps: performing intelligent acquisition and preprocessing on multi-source heterogeneous data to obtain a multi-dimensional comprehensive data set; performing multi-level index construction and nonlinear calculation on the multi-dimensional comprehensive data set to obtain a limit scooter structure design quantitative index system; performing spatio-temporal multi-scale feature analysis on the limit scooter structure design quantitative index system to obtain a spatio-temporal distribution feature map; performing high-order correlation analysis on the spatial-temporal distribution characteristic spectrum to obtain a multi-dimensional correlation intensity distribution matrix among frame geometric parameters, wheel set configuration and a damping system, performing key factor identification and sensitivity analysis to obtain an influence factor importance ranking table, and performing parameterized structure design scheme optimization; and obtaining a multi-target structure design scheme combination and a performance evaluation index set. According to the invention, the efficiency and accuracy of limit scooter structure design management are improved.

The invention belongs to the technical field of sewage treatment, particularly relates to reverse osmosis treatment equipment and a reverse osmosis treatment method for removing heavy metals in sewage, and aims to solve the problems of poor impurity treatment effect, easiness in blockage of a filter screen, poor online replacement effect of a reverse osmosis membrane and the like during sewage treatment in the prior art. The reverse osmosis treatment equipment comprises a base, the top of the base is fixedly provided with a filter box and a purification box, the filter box is used for preliminarily filtering and purifying sewage input from the outside, and the purification box is used for performing reverse osmosis treatment on the preliminarily filtered sewage. The detachable design is matched with a double-filter-element system, replacement of reverse osmosis filter elements can be completed under the non-stop condition, a liquid inlet is intelligently regulated and controlled through a communication assembly, and an automatic cleaning and impurity collecting mechanism is matched, so that blockage can be effectively prevented, the maintenance cost is reduced, and the reliability and durability of equipment are enhanced.

The invention relates to the technical field of intelligent agriculture, in particular to an irrigation area measurement and control integrated gate intelligent scheduling system and method, and the system comprises a data collection module, a gate control module, a data processing and analysis module, an intelligent scheduling module and a monitoring and early warning module. By integrating a water level sensor, a flow meter, a weather station data interface, a soil humidity sensor and an agricultural satellite data interface, various agricultural data and hydrological data in an irrigation area are collected in real time, and the crop growth condition, the water demand, the rainfall capacity, the evaporation capacity and the like are analyzed by utilizing historical data and models; therefore, an accurate irrigation scheduling strategy is formulated and executed in the intelligent scheduling module, water supply needed by crop growth is ensured, meanwhile, the system monitors agricultural data and hydrological data in an irrigation area in real time through the monitoring and early warning module, a reasonable threshold range is set, early warning can be triggered in time once an abnormal condition occurs, and the system is safe and reliable. And a reliable decision basis is provided for irrigation area management.

The utility model discloses a steel plate polishing and deburring device, which relates to the technical field of office furniture production, and comprises a base, the bottom of the base is fixedly connected with a bearing column, a plurality of feeding rollers are arranged in the base, the top of the base is provided with a straightening mechanism and a pressing mechanism, and the pressing mechanism is arranged behind the straightening mechanism. Two first grinding mechanisms are arranged at the bottom of the straightening mechanism, a second grinding mechanism is mounted at the bottom of the pressing mechanism, a cleaning mechanism is arranged behind the pressing mechanism and mounted at the top of the base, and a collecting box is arranged below the cleaning mechanism and slidably connected into the base. The steel plate polishing device has the beneficial effects that when a steel plate moves, the cleaning mechanism can hinder movement of sweeps on the surface of the steel plate, so that the sweeps are continuously gathered until the steel plate is conveyed out of the device after being polished, the sweeps can fall into the collecting box at the moment, the sweeps are collected, the steel plates with different thicknesses can be used by the cleaning mechanism, and the application range is wider.

The present invention discloses a method and system for acquiring design requirements of manufacturing equipment based on product processing actions. The method includes: constructing characteristic elements of equipment design requirements based on product processing actions; constructing a historical question-answer information-design requirement corpus based on product processing actions; constructing an equipment design requirement characteristic element-question relationship database, an equipment design requirement characteristic element-answer information-design requirement relationship database, and an equipment design requirement characteristic element-design requirement relationship database; constructing and training an intelligent algorithm model; acquiring the design requirements of manufacturing equipment based on product processing actions in the form of question-answer dialogue; and confirming and storing the acquired design requirements of manufacturing equipment based on product processing actions. The system includes: a questioning module, an answer information collection module, a storage module, a calculation module, and a final design requirement data output module. This solution not only improves the efficiency of design requirement collection, but also improves the accuracy of requirement collection.

The invention provides a sectional type spiral oil press which comprises a pressing device, a stirring pot, a cake guide device and a gearbox, the stirring pot is installed at the top of the pressing device, the stirring pot and the pressing device are respectively communicated with a first conveying port for conveying oil, and the cake guide device is located on one side of the pressing device. The squeezing device and the cake guide device are respectively communicated with second conveying ports for conveying material cakes, and the gear box is located at one end of the squeezing device and drives the squeezing device, the stirring pot and the cake guide device to move simultaneously; the pressing device comprises a machine tail installed on the gearbox, a plurality of pressing cages located at the end, away from the gearbox, of the machine tail and a machine head for tightly fixing the pressing cages to the machine tail, and pressing screws rotating in the machine head, the pressing cages and the machine tail are arranged on the machine head, the pressing cages and the machine tail in a penetrating mode. According to the sectional type spiral oil press, the gear box drives the pressing device, the stirring pot and the cake guiding device to move at the same time, synchronous operation of all the devices is achieved, and the automation degree and the production efficiency are remarkably improved.

The invention discloses an infrared small target feature enhancement method based on local motion perception, and the method comprises the following steps: 1, loading an infrared sequence image, selecting continuous T frames of images as network input, and extracting image features through employing a backbone network; 2, extracting rough target inter-frame motion information by using a rough motion estimation module CME, and generating a forward optical flow and a backward optical flow; 3, aligning a multi-frame sequence by using an energy enhancement module EnE in combination with an optical flow and a deformable convolution, and enhancing target features by using a 3D convolution with a convolution kernel size of 1 * 1; and 4, outputting an enhanced infrared image by using a feature enhancement task head for guiding optical flow learning, fusing multi-scale features through a target segmentation task head, outputting a target segmentation result, and further guiding learning of a feature enhancement network. The method can effectively adapt to scenes with dark and weak targets and background motion, and outputs a high-quality enhanced image of the infrared multi-frame motion small target.

The utility model relates to the technical field of traditional Chinese medicine decoction pieces, and discloses a traditional Chinese medicine decoction piece automatic collecting device which comprises a machine body, the bottom surface of the machine body is rotationally connected with two rotating rollers, the outer surfaces of the two rotating rollers are in transmission connection with a moving crawler belt, and the left side surface of the machine body is fixedly connected with two supporting plates; a conveying belt is installed between the two supports, and the left side faces of the two supporting plates are fixedly connected with a fixing plate. According to the automatic collecting device for the traditional Chinese medicine decoction pieces, rolling of residual scattered materials can be reduced by installing the movable crawler belt, the collecting effect is improved, the traditional Chinese medicine decoction pieces can be conveyed through cooperation of the installed sweeping plate and the conveying belt, the collecting efficiency is improved, automatic transferring and collecting of the materials are achieved, manual intervention is reduced, and the labor intensity of workers is relieved. And through cooperation of a sieve plate and a dust collection frame, impurities in the traditional Chinese medicine decoction pieces can be removed, the traditional Chinese medicine decoction pieces can be screened, and medicine residues and stones in the traditional Chinese medicine decoction pieces can be removed.

The invention relates to the technical field of mullite brick production, in particular to a mullite brick production pouring device which comprises a conveying frame. The storage barrel is arranged above the conveying frame through a supporting frame; the fixing frame is fixedly mounted on the top surface of the conveying frame; the air cylinder is fixedly installed on the top face of the fixing frame, and the telescopic end of the air cylinder penetrates through the top face of the fixing frame; the pressing plate is fixedly installed at the telescopic end of the air cylinder. Compared with the prior art, by arranging the pressing plate and the cleaning assembly, in the resetting process of the pressing plate, a third transmission gear drives a connecting rod to rotate, a coil spring accumulates force, and when the pressing plate is completely reset, the coil spring releases energy, drives the connecting rod to rotate reversely and drives a reciprocating lead screw to rotate, so that a sliding plate is driven to slide back and forth along a guide rod, and a cleaning scraping plate cleans the bottom face of the pressing plate; the bottom face of the pressing plate can be automatically cleaned after the pressing plate is used every time, residues are prevented from affecting next-time use, and therefore automatic cleaning of the bottom face of the pressing plate and collection of materials are achieved.

The utility model provides an edge grinding device for wood processing, which relates to the technical field of wood processing and comprises an integral structure and supporting structures, and the supporting structures are positioned at the front and rear positions of the two sides of the bottom of the integral structure; the overall structure comprises a bottom plate, electric sliding tables are fixedly installed at the centers of the front outer surface and the rear outer surface of the bottom plate, a supporting plate is fixedly connected to the outer surfaces of the electric sliding tables, and first cylinders are fixedly connected to the positions, close to the top, of the front face and the rear face of the outer surface of the supporting plate. Through arrangement of a first cylinder, a first connecting rod and a first electric push rod, the positions of a support and a grinding wheel can be adjusted, through cooperation of a second electric push rod, the height of the grinding wheel can be adjusted, and then through cooperation of an electric sliding table and a connecting block, the grinding wheel can be ground. The grinding wheel, the servo motor and the supporting plate can stably move left and right, and continuous edge grinding operation can be conducted on thin wood plates of the same type.

The utility model discloses a boring machine, and relates to the technical field of mechanical drilling. The device comprises a bottom plate, a placement table is fixed to the upper end of the bottom plate, a stand column is fixed to the upper end of the bottom plate, a first motor is fixed to the top end of the stand column, the stand column is sleeved with a sliding sleeve in a sliding mode, a supporting frame is fixed to the side face of the sliding sleeve, and an adjusting rod is fixed to the output end of the first motor. The adjusting rod is in threaded connection with the interior of the supporting frame, a sliding rail is fixed to the supporting frame, a moving frame is slidably connected to the sliding rail, a second motor is fixed to the upper end of the moving frame, a drill bit is installed at the lower end of the moving frame, and a collecting structure is arranged on the bottom plate. When the boring machine is used for machining a workpiece, sprayed water can be blocked by the elastic corrugated pipe, is left on the bottom plate along the elastic corrugated pipe and finally falls into the collecting box, the water can be blocked through the structure, splashing and flowing of the water all around are reduced, and the influence on the surrounding environment is reduced.

The invention discloses a full-automatic grooving machine for a PVC wood-plastic plate, and relates to the technical field of wood-plastic plate processing, the full-automatic grooving machine comprises a processing table, and the processing table is provided with a positioning module for positioning a plate body; a sealing cover is arranged on the machining table, a through groove is formed in the end, facing the machining table, of the sealing cover, a servo motor is arranged in the sealing cover, the output end of the servo motor is fixed to a cutting end, and the cutting end extends to the outer side of the sealing cover along the through groove; a dust collection module is further arranged in the sealing cover and used for conducting adsorption treatment on wood chips generated during cutting. The machining table is further provided with a driving module, and the driving module is used for driving the sealing cover to linearly move in the grooving direction. By arranging the sealing cover, wood chips generated during cutting can be isolated, the wood chips are prevented from being splashed into air, and the wood chips are collected in cooperation with the dust collection module.

The invention relates to the technical field of medical instrument cutting, in particular to a laser cutting mechanism for medical instrument production. The cutting cavity is formed in the front wall of the cutting table; the four supporting legs are symmetrically and fixedly mounted at the bottom of the cutting table; the positive pressure cavity and the negative pressure cavity are formed in the left end and the right end of the cutting table correspondingly. And the scrap suction assembly is used for sucking scraps in the cutting cavity into the negative pressure cavity. Through cooperation of the suction pump, the positive pressure cavity and the negative pressure cavity, scraps generated in the medical instrument cutting process can be collected in the scrap collecting box in the negative pressure cavity, so that the scraps are prevented from splashing, and certain safety is achieved; and meanwhile, a first electric linear guide rail and a second linear guide rail are used for controlling transverse movement and longitudinal movement of the laser cutting machine correspondingly, cutting of different positions of the medical instrument can be achieved, the cutting range of the medical instrument is widened, and the cutting efficiency is improved.

The utility model discloses a mercury collecting device, and relates to the technical field of medical instruments. The mercury collecting device comprises a collecting box, the top of the collecting box is provided with an opening, and the collecting box is used for storing mercury; the box cover is matched with the opening of the collecting box and is used for sealing the collecting box; the connecting piece is connected to the side, close to the collecting box, of the box cover and used for being connected with a mercury collecting assembly; the rolling shaft is rotationally connected to the connecting piece; the adsorption part is wound on the rolling shaft, and the adsorption part is fixedly connected with the rolling shaft and used for adsorbing mercury. According to the utility model, by utilizing the characteristic that the mercury can be attached to the adhesive tape, the connecting piece arranged at the bottom of the box cover and the rolling shaft which is rotatably connected with the connecting piece are used for driving the adsorption piece on the rolling shaft to rotate, so that the mercury collecting box can roll on the ground, collects the dispersed mercury and stores the dispersed mercury in the sealed collecting box, so that the mercury collecting box is simple and rapid in collection and convenient to use. Meanwhile, mercury volatilization can be prevented.

The utility model relates to the field of coking production devices, and discloses an air filter element with a self-cleaning function, which comprises a filter element body, a motor is fixedly connected to the outside of the filter element body, a threaded rod is fixedly connected to the output end of the motor, a threaded sleeve is in threaded connection to the outside of the threaded rod, and the threaded sleeve is in threaded connection with the output end of the motor. The filter element comprises a filter element body, a threaded sleeve is arranged in the filter element body, cleaning assemblies are fixedly connected to the two sides of the exterior of the threaded sleeve, two sliding rods are fixedly connected to the interior of the filter element body, a collecting box is slidably connected to the bottom of the filter element body, clamping assemblies are arranged at the four corners of the interior of the collecting box, each cleaning assembly comprises a sleeve rod, and the sleeve rods are fixedly connected to the exterior of the threaded sleeve. According to the utility model, through mutual cooperation of the threaded rod, the threaded sleeve, the brush and other structures, automatic cleaning of the surface of the filter element is realized, and the filter element is prevented from being blocked, so that the service life of the filter element is prolonged, a user does not need to disassemble the filter element for cleaning, and the maintenance work of the user is reduced.

A threshing mechanism of the small-grain type bean combine harvester is used for separating grains from straw and threshing the grains, a screening mechanism is located below the threshing mechanism and used for receiving the grains, and a first receiving mechanism and a second receiving mechanism are sequentially arranged below the screening mechanism. The material screening mechanism enables grains to be conveyed from front to back through vibration, the grains which are successfully threshed leak the material screening mechanism and fall into the first material receiving mechanism, the first material receiving mechanism is connected with the grain box to collect the grains, and the grains which are not successfully threshed fall into the second material receiving mechanism from an outlet of the material screening mechanism. The second material receiving mechanism is connected to the threshing mechanism and is used for conveying unsuccessfully threshed grains back to the threshing mechanism for re-threshing operation; and the discharging fan works to provide wind power, so that the straws and the threshed shells are blown to the grass collector at the output end. The process of screening and threshing is mechanically completed, seed collection and impurity collection are completed, manual operation is replaced by a machine, the harvesting efficiency is improved, and the labor cost is reduced.