75results about How to "No need to manually add" patented technology

The invention relates to a mobile device permission management control system based on time and a white list application way. The system comprises a cloud terminal, a parent terminal, and a student terminal. The cloud terminal consists of an application classification module, a management control application recommendation module, a management control instruction receiving module, a management control instruction storage module, a management control instruction issuing module and a database; and application identification data, identification data and management control strategy contents of the parent terminal and the student terminal are stored into the database. The parent terminal and the student terminal include message modules serving as an initiating side, a receiving side, and an execution side of a management control instruction; and with cooperation of the message modules with the management control instruction receiving module and the management control instruction issuing module of the cloud terminal, initiation, transmission, and execution of the management control instruction are completed. An APP management control module of the parent terminal sends the management control instruction to the management control instruction receiving module of the cloud terminal; and the management control instruction issuing module of the cloud terminal sends the instruction to an APP management control module of the student terminal to execute corresponding management control.

The invention relates to a stamping machine, in particular to an automatic stamping machine facilitating inkpad adding. The technical aim of the automatic stamping machine facilitating inkpad adding is that the contamination of a stamp with the inkpad can be facilitated, the stamping efficiency is ensured, people do not need to frequently take or place data files, it is ensured that the data filesare clean, and inkpad adding is facilitated. The automatic stamping machine facilitating inkpad adding includes a base, a bracket, a sliding block, an outer shell, a mounting plate, a first spring and the like; the bracket is mounted on the right side of the top of the base, the sliding block is arranged on the bracket in a sliding manner, the left end surface of the sliding block is connected with the outer shell, the mounting plate is slidably arranged in the outer shell, the mounting plate can be slide up and down in the outer shell, and the first spring is connected between the mounting plate and the outer shell. The data files can be quickly stamped through the function of the stamping mechanism, the left, right, front and back positions of the stamping mechanism can be adjusted before stamping, and all parts of the data files can be conveniently stamped.

The invention discloses an automatic vulnerability detection plugin generation method and system for an industrial control system. A current industrial control system vulnerability mining technology Fuzzing can find vulnerability but can not perform further processing on a vulnerability plugin. The method disclosed by the invention comprises a Fuzzing test link, a vulnerability playback link and avulnerability collecting link, the Fuzzing test link comprises the following sequential steps: constructing data sources and performing data storage; acquiring the data sources, starting to perform Fuzzing scanning, and mining vulnerability; monitoring a mining process; if all the data sources are completely polled and no problem is triggered, finishing the mining process; if a problem is triggered, acquiring node IDs of the data sources, and entering the vulnerability playback link; and the vulnerability playback link comprises the following sequential steps: generating the data sources andacquiring node information; acquiring the data sources, and starting to perform the Fuzzing scanning; and if no problem exists after verification, finishing, and if a problem exists, entering the vulnerability collecting link. The method disclosed by the invention can automatically generate a vulnerability detection plugin, converts unknown vulnerability into known vulnerability and improves vulnerability mining efficiency.

The invention discloses an efficient water treatment device for spinning. The device comprises an outer frame, wherein a feeding hopper penetrates through the left side of the top of the outer frame; a first motor is fixedly connected with the top of the outer frame; a first driving wheel is fixedly connected with one end of an output shaft of the first motor; a second driving wheel is in driving connection with the surface of the first driving wheel through a driving belt; a moving device is fixedly connected with the back of the second riving wheel; a movable rod is fixedly connected with the bottom of the moving device; and the bottom end of the moveable rod penetrates through the outer frame and extends into the outer frame. The invention relates to the technical field of water treatment devices. The efficient water treatment device achieves the purpose of automatically adding a water treating agent, and manual addition is not required, so that the burden of a worker is relieved; the water treating agent can be automatically and discontinuously added, so that the resource waste is avoided and the water treatment efficiency is increased; and the effluent in different positions can be absorbed, so that the water treatment time can be shortened, and the water treatment quality can be increased.

The invention relates to a microfluidic chip, a system and a method integrating nucleic acid extraction, amplification and detection. The chip comprises a sample inlet, a washing liquid storage cavity, an eluent storage cavity, a nucleic acid extraction cavity, a washing waste liquid receiving part and a constant temperature amplification cavity, wherein the nucleic acid extraction cavity is provided with nucleic acid extraction filter paper; the washing liquid storage cavity and the eluent storage cavity are respectively connected with the nucleic acid extraction cavity through one-way valves; the nucleic acid extraction cavity is connected with a washing waste liquid receiving part and a constant temperature amplification cavity; a washing liquid is pre-stored in the washing liquid storage cavity; an eluent is pre-stored in the eluent storage cavity; the washing liquid storage cavity is used for enabling the washing liquid to break through the one-way valve and flow through the nucleic acid extraction cavity for washing under driving of external force, and waste liquid flows into the washing waste liquid receiving part; and the eluent storage cavity is used for enabling the eluent to break through the one-way valve and enter the nucleic acid extraction cavity for elution under driving of external force, wherein the eluted nucleic acid solution flows into the constant-temperature amplification cavity, and waste liquid flows into an elution waste liquid cavity. The chip can rapidly, simply, stably and reliably complete nucleic acid extraction, amplification and detection.

The invention provides a business object display method and apparatus. The method comprises the steps of extracting a played text from a played media file; matching the played text with a business object name stored in a database; and when the played text is matched with the business object name stored in the database, displaying description information corresponding to the business object name in a playing interface of the media file. According to the method and the apparatus, the description information of the business object mentioned in the media file can be quickly presented to a user without manual addition.

The invention discloses a safety protective production machine tool facilitating waste recovery and achieving environment friendliness. A placement groove is formed in one end of a machine tool bed, amachine tool cover is installed on the inner wall of the placement groove in a sliding manner, inspection windows are uniformly installed on the outer side of the machine tool cover in an embedded manner, and contact sensors are symmetrically installed at one end of the machine tool cover in an embedded manner. The safety protective production machine tool is scientific and reasonable in structure and safe and convenient to use. By arranging a drive motor, a drive screw, internal thread mounting bases, a sliding mounting plate and cleaning scraping plates, machining scraps can be crushed, collected and stored, the efficiency of scrap collection is improved, and the cleanness of the production machine tool in use is improved. By arranging air cylinders, clamping plates, pressure sensors and the contact sensors, the clamping fastness of workpieces can be monitored and observed, the fastness of workpiece clamping is improved, the safety in the use process of the production machine tool is improved, and the protection performance of staff is improved.

The invention relates to the technical field of numerical control machine tool machining, in particular to a cutting fluid circulating device for a numerical control machine tool and a using method ofthe cutting fluid circulating device. The cutting fluid circulating device comprises a base and a recycling barrel, wherein a liquid level sensor is fixedly arranged on the inner wall of the recycling barrel; and the cutting fluid circulating device further comprises a controller, a filtering mechanism, a proportioning mechanism and a stirring mechanism, wherein the filtering mechanism comprisesa filtering box, a shaking assembly and a pushing assembly, the proportioning mechanism comprises a storage box and a proportioning assembly, the stirring mechanism comprises a driving motor, a rotating shaft and a stirring assembly, and the driving motor, the liquid level sensor, the shaking assembly, the pushing assembly and the proportioning assembly are all electrically connected with the controller. According to the cutting fluid circulating device for the numerical control machine tool and the using method of the cutting fluid circulating device, cutting fluid contaminated on cutting chips can be fully separated out, and more cutting fluid cannot be left on the surfaces of the cutting chips, so that the utilization rate of the cutting fluid is increased, and cyclic utilization of thecutting fluid is facilitated; and meanwhile, the cutting chips in a collecting box are dried in time, so that the cutting chips can be rapidly recycled.

The invention discloses an improved agricultural hydroponics device which comprises a hydroponics tank, a seal plate and seedling fixing plates. Nutrient solution is stored in the hydroponics tank, the seal plate is fixed into the hydroponics tank, a plurality of mounting holes for arranging the seedling fixing plates are formed in the seal plate, a through hole is formed in each seedling fixing plate, an automatic water supplementing device is further mounted in the hydroponics tank and comprises a solution storage cavity, a solution inlet cavity, a first float ball, a guide rod and a secondfloat ball, the solution storage cavity is fixed onto the seal plate, the solution inlet cavity is fixed to the top of the solution storage cavity, the bottom of the solution inlet cavity is of a hemispherical structure, and a connecting hole is formed in a joint of the solution storage cavity and the bottom of the solution inlet cavity. The improved agricultural hydroponics device has the advantages that the nutrient solution can be automatically supplemented to the hydroponics tank without being manually added, the seedling fixing plates can be ejected by ejection devices after seedlings arecompletely cultivated, accordingly, the improved agricultural hydroponics device is easy to operate, and the time and labor can be saved.

The invention discloses a polishing machine for a glass handicraft and relates to the technical field of glasswork. The polishing machine comprises a rack, a driving motor, a polishing disc, a liftingmotor, a lifting column, a supporting table, through grooves and telescopic rods. Fixing devices are arranged in the middles of the two sides of the rack correspondingly and comprise the through grooves, the telescopic rods and fixing plates. A buffer device is arranged in the supporting table and comprises an elastic telescopic rod, a damping plate, a reset spring, a spring and a buffer plate. According to the polishing machine for the glass handicraft, the glass handicraft can be fixed firmly in the polishing and grinding processes through the fixing plates, the situation that the glass handicraft moves in the polishing and grinding processes can be effectively avoided, the buffer device is arranged in the supporting table, thus vibration of the glass handicraft in the polishing and grinding processes is reduced, the situation that the glass handicraft is broken due to uneven stress in the grinding process is also effectively avoided, and the polishing and grinding efficiency of theglass handicraft is improved.

The invention discloses an automatic adjusting system of a hole sealing bath solution for an aluminum profile, and relates to the technical field of aluminum profile surface treatment. The automatic adjusting system of the hole sealing bath solution for the aluminum profile comprises a hole sealing bath body, a medicine adding barrel in which a mixer is arranged, and a PLC, wherein a nickel salt adding port equipped with a solid adding valve, a solvent adding port equipped with a liquid adding valve, a medicine outlet and a liquid level meter are arranged on the medicine adding barrel; the liquid level meter is positioned above the medicine adding barrel and faces the liquid level of the medicine adding barrel; a medicine inlet and an infrared sensor are arranged on the hole sealing bath body; the medicine outlet is connected with the medicine inlet through an electromagnetic diaphragm pump; the infrared sensor is arranged at the upper end of the hole sealing bath body and faces the upper part of the liquid level; the PLC is connected with the solid adding valve, the liquid adding valve, the electromagnetic diaphragm pump, the infrared sensor and the mixer. With the adoption of the automatic adjusting system, the quantity of used medicines can be effectively decreased, and the product quality stability can be ensured.

The invention discloses a clamping and pressing device for pipe connection. The clamping and pressing device for pipe connection comprises a clamping and pressing mechanism, a feeding mechanism and afixed base. The feeding mechanism is arranged at one end of the top of the fixed base. The clamping and pressing mechanism is arranged at the end, far away from the feeding mechanism, of the top of the fixed base. The clamping and pressing mechanism is composed of a fixed platform, a fixed block, a feed cylinder, a feeding push block, a storage sliding chute, a clamping and pressing ring, hydraulic cylinders and clamping and pressing blocks. One end of the top of the fixed base is fixedly connected with the fixed platform. The clamping and pressing device for pipe connection realizes automaticfeeding and discharging of pipes through the feeding mechanism, a second motor and a first motor. The structural flexibility of the clamping and pressing device is greatly improved. The labor intensity of workers is reduced. Automated operation of the clamping and pressing device is realized. The clamping and pressing device for pipe connection can conduct automatic feeding on sockets of the pipes through the storage sliding chute and the feeding push block without manual adding. The machining process of pipe clamping and pressing is shortened. The working efficiency of the pipe clamping andpressing is improved.

The invention relates to a method and system for setting backup and recovery based on a Linux system. The method includes the steps that service is started, a backup command is received, a configuration file needing to be backed-up is selected by a user and searched for, a backup is marked, and service is executed and stored into a flash disk to complete backing-up; the service is started, a recovery command is received, the user selects items needing to be recovered through the backup flash disk, the service is executed, and recovery is completed. By the adoption of the service and the commands, backup and recovery are set, wherein the service includes guard service, recovery service and mounting service, and the commands include the backup command and the recovery command. The method for setting backup is simple, useless files are excluded autonomously from the backup file without manual adding, and during recovery, manual intervention on the recovery process is not needed in an operation system; after the file is recovered, service in operation applies new configuration files, and manual operation is not needed.

The invention relates to a feeding device, in particular to rotary magnetic separation equipment for quartz sand utilized as a building material, and aims to solve technical problems in the prior art.In order to solve the above technical problems, the rotary magnetic separation equipment which is applicable to the quartz sand utilized as the building material, has the intermittent adding function, and is good in magnetic separation effect is provided. The rotary magnetic separation equipment for the quartz sand utilized as the building material comprises ab racket and the like, wherein the bracket is connected with the right side of the top of a base; a discharging mechanism is connected with the left end of the bracket; and a magnetic separation mechanism is connected with the left sideof the inner top of the bracket and positioned on the right side of the discharging mechanism. By adoption of the designed rotary magnetic separation equipment for the quartz sand utilized as the building material, the quartz sand can be quantitatively and intermittently added; the manual adding operation is not needed; more convenience is brought; and through the arrangement of a motor, a secondrotating rod and a third rotating rod, the automatic, quantitative and intermittent adding operation can be achieved without manually moving a connecting rod.

The invention belongs to the technical field of bearings, and particularly relates to a self-lubricating dust-proof bearing. The self-lubricating dust-proof bearing comprises an outer ring, an inner ring, rolling balls, lubricating modules, a dust-proof cover and a dust-proof pad. The rolling balls are arranged between the outer ring and the inner ring, cavities and a first groove are formed in the side wall of the outer ring, the first groove communicates with the cavities, a second groove is formed in the top of the outer ring, the lubricating modules are located in the cavities and used foradding lubricating oil to the rolling balls, a third groove is formed in the top of the inner ring, the dust-proof cover is installed in the second groove of the outer ring and the third groove of the inner ring, and the dust-proof pad is installed at the bottom of the outer ring and located between the outer ring and the inner ring. Through mutual cooperation of the lubricating modules, the rolling balls and the dust-proof cover, the lubricating oil is added to the rolling balls by using the rolling balls to extrude the lubricating modules constantly, and lubrication is provided for the rolling balls. The dust-proof cover not only can cut off dust, but also can prevent excessive lubricating oil from overflowing.

The invention provides a bird dispelling device for power equipment. The bird dispelling device comprises a mounting frame, wherein a connecting cover is disposed on the top surface of the mounting frame; a shell with a liquid storage box is mounted on the connecting cover; an opening is formed in the lower portion of the shell; a bird repellent is disposed in the liquid storage box; a liquid outlet hole is formed in the lower portion of the liquid storage box, and a plugging ball for preventing liquid from flowing out is disposed in the liquid outlet hole; connecting rods are disposed on twosides of the connecting cover; pedals are mounted the outer ends of the connecting rods through ball hinges; the inner end of each pedal is connected to one end of a steel wire rope, and the other endof the steel wire rope passes through the shell and the liquid storage box to be connected with the plugging ball; a switch assembly is disposed between the inner end of each pedal and the correspondingly connecting rod; a power supply and an acoustic bird dispeller are disposed in the connecting cover; the power supply is connected with the acoustic bird dispeller; and the switch assemblies areconnected with the power supply and the acoustic bird dispeller. The bird dispelling device for power equipment is characterized in that when a bird is standing on the pedal, the inner end of the pedal is driven by the gravity to move down, causing a projection to move down in contact with a first conductive ring, so that the acoustic bird dispeller is powered on to emit acoustic waves for bird dispelling.

The invention discloses a water supplement device for animal water drinking. The water supplement device comprises a water trough, a connecting rod and a water adding pipe, wherein a buoyancy device is hinged to the inner wall of the water trough; one end of the water adding pipe is communicated with a taper water pipe, and the other end of the water adding pipe is provided with a seal cover; one side of the seal cover is hinged to the water adding pipe, and the other side of the seal cover is elastically connected with the water adding pipe; one end of the connecting rod is connected to the lower end of the seal cover, and the other end of the connecting rod is connected with the buoyancy device. The technical effect that the water supplement device for animal water drinking is capable of adding water into the water trough in time and meeting the requirement of animal water drinking in time can be achieved.

The invention discloses a capacitor production conveying apparatus. The capacitor production conveying apparatus comprises a capacitor conveyor body, a first material adding cabin and a second material adding cabin; the interior of the capacitor conveyor body is connected with a rotational roller through a rotary shaft; each limiting groove is filled with a first magnet block; a material outlet pipe is arranged just above the rotational roller; and a first driven wheel is arranged on one side of the material outlet pipe. According to the capacitor production conveying apparatus, two conveyor belts are provided, wherein one conveyor belt is provided with a capacitor fixing clamp while the other conveyor belt is provided with a limiting plate; and when the capacitor is placed in the capacitor fixing clamp, the capacitor fixing clamp can be conveyed to a baffle rod position of the material outlet pipe, and then the capacitor is conveyed to the position of the capacitor fixing clamp to befixed, so that the capacitor can be well stabilized by virtue of the way, without needing manual adding, thereby improving the capacitor conveying efficiency.

The invention discloses a humidifying device for concrete standard curing and a curing system thereof, and belongs to the technical field of concrete curing. The humidifying device comprises an air conditioner, a water tank and an ultrasonic generator, wherein the water tank is detachably arranged below the air conditioner; the ultrasonic generator is arranged at the bottom of the water tank; a mist outlet is formed in the top of the water tank; an air outlet of the air conditioner is right opposite to the mist outlet of the water tank; and the side wall, opposite to the air outlet of the airconditioner, of the water tank is obliquely arranged outwards. According to the technical scheme, the effect of curing concrete is remarkable, the fogging area of the humidifying device is large, water is not prone to being accumulated in a curing chamber during use, and the water mist distribution uniformity in the standard curing chamber can be further improved.

The invention discloses a normal and low temperature suspension reactor for resin processing, the reactor comprises a base, a reaction box is installed on the base, a driving motor is installed at the upper end of the reaction box, the output end of the driving motor is fixedly connected with a rotating rod, a stirring mechanism connected with the rotating rod is installed on the reaction box, and a material box is installed on the base. A material supply mechanism is installed at the upper end of the material box, a feeding pipe is installed at the upper end of one side of the reaction box, a discharging pipe is installed at the lower end of one side of the reaction box, a valve is installed on the discharging pipe, the stirring mechanism comprises a rotating shaft penetrating through the side wall of the upper end of the reaction box, and a plurality of spiral stirrers are fixedly connected to the outer wall of the rotating shaft. With arrangement of the driving motor, the material stirring can be achieved, the mixed material can be intermittently injected into the reaction box, and the addition is almost quantitative each time so as to achieve the good mixing reaction, no manual addition is needed, the manpower resource is saved, and the safety is provided.

The invention relates to a timing oiling device for a reciprocating type crankcase, belonging to the technical field of air compressors and comprising a crankcase, a joint, a solenoid valve, an auxiliary oil tank and an electric controller, wherein the joint is arranged on a crankcase body of the crankcase, the joint is communicated with the solenoid valve through a pipeline, and the solenoid valve is communicated with the auxiliary oil tank through a pipeline; and the solenoid valve is connected with the electric controller through a wire and the on / off of the solenoid valve is controlled by the eclectic controller. The timing oiling device for the reciprocating type crankcase has simple and skilled structure and is safe and reliable; lubricating oil in the crankcase is automatically supplied accurately and immediately without being manually added; an oil injecting needle is arranged in the crankcase, the lubricating oil is supplied to various lubricating points after dispersed by the oil injecting needle, and the lubricating effect is better; and the oil injecting needle is matched with the electronic controller according to a certain rule to ensure that the lubricating oil is regularly and quantitatively supplied and the crankcase is not damaged.

A disposable sterile microbial culture dish comprises a culture dish body, an upper cover and a sealing device, wherein the culture dish body is provided with a barrel-shaped structure with a top opening, the diameter of the outer wall of the upper cover is equal to that of the inner wall of the culture dish body, an opening is formed in the middle of the upper cover, the sealing device is arranged at the opening, and a culture medium is arranged inside the culture dish body. The culture medium is sealed between a special container and outside air, subjected to bactericidal treatment and sterile operation in manufacture, more durable in storage than other devices and cannot be affected by external bacteria. Water taking detection operation steps can be simplified for detection personnel, time is saved for the whole detection process, detection cost is reduced, operation steps are decreased, human error probability is reduced, and accuracy is improved.

The invention relates to a stamping machine, in particular to an automatic stamping machine which is convenient for adding ink pads. The technical problem is how to design a kind of automatic stamping machine that can facilitate the stamp to be stained with ink pad, guarantee the efficiency of stamping, and can not require people to frequently take or place data files, and ensure that the data files are neat and convenient to add ink pads. An automatic stamping machine that is convenient for adding ink pads, including a base, a bracket, a slider, an outer shell, a mounting plate, a first spring, etc.; a bracket is installed on the right side of the top of the base, and a sliding block is provided on the bracket. An outer casing is connected to the left end surface of the outer casing, and a mounting plate is slidably provided in the outer casing. The mounting plate can slide up and down in the outer casing, and a first spring is connected between the mounting plate and the outer casing. The present invention can quickly seal the document through the function of the stamping mechanism, and can adjust the left and right, front and rear positions of the stamping mechanism before stamping, and can conveniently stamp various parts of the document.

The invention discloses an intelligent chemical mixing tank, which comprises a mixing tank, a cover plate, a stirring mechanism, a feeding hopper, a control display and a thermal insulation layer. Thecover plate is disposed at the upper end of the mixing tank, two ends of the cover plate are connected to the mixing tank through bolts, the feeding hopper is disposed at the right upper side of themixing tank, the lower end of the feeding hopper is communicated with the mixing tank through a second flow valve, and the second flow valve is equipped with a flowmeter, the control display is disposed below the feeding hopper, the mountain tip left side of the cover plate is equipped with a liquid inlet pipe, the liquid inlet pipe is equipped with a first flow valve, and the flowmeter is in signal connection with the first flow valve. The intelligent chemical mixing tank provided by the invention has a novel design, the flowmeter disposed on the second flow valve cooperates with the first flow valve to realize mixing at a fixed ratio, the accuracy is high, and a constant pressure in the mixing tank can be realized through a pressure sensor and a pressure relief pump, the mixing effect isgood, the practicability is strong, and the disposed stirring mechanism can improve the mixing efficiency of the mixture.

The invention discloses a round tablet slitting device, and relates to the technical field of medical instruments. The round tablet slitting device comprises a base, a mounting plate, a solid block, atablet hopper, a pull plate, a slide plate, a guide box, a rectangular tablet guide passage, a trapezoidal positioning tablet hopper and a cutter mechanism. When the round tablet slitting device is used, only a cutter mechanism needs to be pressed to cut a round tablet into two halves, then the pulling plate is pulled, and the cut round tablet can slide into a tablet collecting groove from a tablet outlet sliding groove. Meanwhile, after the round tablets on the upper portion are isolated and the pulling plate is loosened, communication of a rectangular tablet guiding channel is achieved, a trapezoidal positioning tablet hopper restores, a round tablet on the upper portion are rapidly positioned, and then the cutting knife mechanism is pressed to cut the round tablet again. The round tablet slitting device is simple in structure, is convenient to use, can achieve continuous slitting of round tablets and is high in slitting efficiency.

The invention discloses a medical intensive care nursing disinfection device. The medical intensive care nursing disinfection device comprises a cleaning box; a conveying mechanism is installed on oneside of the cleaning box; an annular spraying pipe is installed at the top of the inner wall of the cleaning box; a dirt removing device is installed at the position, below the annular spraying pipe,of the cleaning box; a damping assembly is installed below the dirt removing device; the conveying mechanism comprises a mounting plate, a mounting groove, a supporting frame and a conveying belt; the mounting groove is formed in the mounting plate; the conveying belt is mounted in the mounting groove; the supporting frame is connected to the bottom of the mounting plate and the side wall of thecleaning box; the dirt removing device comprises a dirt removing assembly; and the dirt removing assembly comprises a driving cleaning shaft, a linkage cleaning shaft, a driving gear, a linkage gear and bristles. According to the medical intensive care nursing disinfection device, instrument attachments can be removed, instruments can be taken out conveniently, disinfectant can be added automatically, and time and labor are saved in use.

The invention discloses an agricultural paddy field straw smashing and field-returning device, and belongs to the technical field of agricultural equipment. The agricultural paddy field straw smashing and field-returning device comprises a moving seat, wherein a cavity is formed in the middle of the moving seat in a penetrating mode; a guide seat is fixedly arranged on the rear wall of the moving seat; an impeller is arranged on the rear part of the left side of the cavity; a shaft center is coaxially and fixedly connected to the middle of the impeller; the left end of the shaft center penetrates through the left wall of the cavity, extends to the outside and is coaxially and fixedly connected with a driven wheel; a driving wheel is arranged in front of the driven wheel; a transmission belt is connected between the driven wheel and the driving wheel; a rotating shaft is coaxially and fixedly connected to the middle of the driving wheel; the right end of the rotating shaft sequentially penetrates through the left wall of the moving seat and the right wall of the cavity, extends to the outside and is coaxially and fixedly connected with an electric motor B; a filter plate is fixedly arranged in the cavity relative to the position behind the rotating shaft; and a smashing assembly is arranged in the middle outside the rotating shaft. The agricultural paddy field straw smashing and field-returning device provided by the invention can perform integrated operation of harvesting, smashing and field-returning on straws so as to be beneficial to saving a large amount of labor consumed by a farmer for harvesting the straws, and is convenient, rapid, safe and flexible.

The invention discloses an automatic adjustment system for a bath solution and relates to the technical field of aluminum profile surface treatment. The automatic adjustment system comprises a sealed tank body and further comprises a dosing drum internally provided with a stirring device and a PLC. A nickel salt adding opening containing a solid adding valve, a solvent adding opening containing a liquid adding valve, an agent outlet and a liquidometer are arranged on the dosing drum. The liquidometer is located above the dosing drum and faces the liquid face of the dosing drum. An agent inlet and an infrared sensor are arranged on the sealed tank body. The agent outlet is connected with the agent inlet through an electromagnetic diaphragm pump. The infrared sensor is arranged at the upper end of the sealed tank body and faces the position above the liquid face. The PLC is connected with the solid adding valve, the liquid adding valve, the electromagnetic diaphragm pump, the infrared sensor and the stirring device. By the adoption of the automatic adjustment system for the bath solution, the dosage of the agent can be reduced effectively, and the stability of the product quality is guaranteed.

The invention discloses automatic drainage type grinding equipment for a biological laboratory. The grinding equipment comprises a grinding kettle and a drainage pipe, wherein the drainage pipe is communicated with the grinding kettle; a separator is arranged inside the grinding kettle and is used for separating the inside of the grinding kettle into an upper cavity and a lower cavity; a lifting device is arranged on the separator, and a telescoping end of the lifting device is positioned in the lower cavity; the drainage pipe is arranged on one side of the lifting device and penetrates through the separator, the outer end of the drainage pipe is connected with a distillation device, and a first distribution pipe and a second distribution pipe are arranged at the other end of the drainage pipe and are positioned in the lower cavity; outlet ends of the first and second distribution pipes are attached to the inner wall of the lower cavity; and a grinding device is arranged at the bottom end of the lifting device and is positioned in the lower cavity. According to the grinding equipment, the drainage pipe is connected with the external distillation device, the concentration of a grinding body in the grinding equipment is detected, actions of an electric ball valve in the drainage pipe are controlled, distilled water is directly drained into the grinding equipment, artificial addition is not required, labor is saved, and experiment efficiency is improved.

The invention relates to a stirring and fattening device, in particular to an agricultural straw chopping, stirring and fattening device, and mainly provides an agricultural straw chopping, stirring and fattening device which depends on a machine for smashing, uniform feeding and stirring, reduces the operation amount and improves the efficiency. The agricultural hay cutting, stirring and fattening device comprises a base, a conveying mechanism and a hay cutting mechanism, wherein a first supporting frame is arranged on one side of the top of the base; the conveying mechanism is arranged at the top of the first supporting frame; and the hay cutting mechanism is arranged on the conveying mechanism. By arranging the conveying mechanism and the hay cutting mechanism, hay is rolled in and smashed, and the basic function of the device is achieved; and by arranging a transmission mechanism and a chemical feeding mechanism, an extrusion pump is extruded to drive a nutrient solution to be automatically sprayed out, manual adding is not needed, and the operation amount is reduced.