79results about How to "Easy to operate and use" patented technology

The invention discloses an input method for a touch screen, comprising a position coordinate which is closest to a contact of a touch-control body that is arranged in the upper region of the touch screen. A character which is closest to the position coordinate or a soft keyboard key on the touch screen is amplified and displayed to facilitate the bunt of the contact on the amplified character or key. An input device for the touch screen and a communication terminal thereof are also disclosed. The invention has the advantages that under the condition that the touch-control body does not bunt the touch screen, the coordinate of the character or the key which is closest to the position coordinate is determined by capturing the position coordinate of the contact of the touch-control body; the character or key is amplified and displayed by the coordinate of the character or the key; users can carry out the input operation according to the character or the key which is amplified and displayed before the bunt.

The invention discloses a detecting, diagnosing and defining method of second-health body, which is characterized by the following: applying the Chinese and western medical combination method to study the forming mechanism of second health state; developing a detecting device of physiological index; establishing a synthetic analysis and objective assessment for second-health state; providing criterion for the clinical consultation; adjusting the body function; maintaining the health physiology.

The invention discloses a design method of a digitalized relief, and the method comprises the following steps: obtaining digitalized relief data through a laser scanning device, and extracting the relief from a background surface to directly finish an the preliminary modeling of the relief; and using an editing tool to modify the position and shape of the relief, and then integrating the relief with the background surface to realize the design process of the digitalized relief. By using the design method, the undue dependence on the manual skill is reduced, the labor cost is reduced, plenty of time is saved, and the design period of the digitalized relief is shortened. The design method has the advantage of repeatability in design.

The invention discloses a measuring method of an optical circuit terminal of a passive optical network and comprises the following steps: step one, a functional module of an optical network unit or an optical network terminal is configured through a management controlling module; step two, the functional module of the optical network unit or the optical network terminal implements a testing process according to the configuration, and the testing process includes receiving the data that is outside a device and isolated by a passive optical splitter and or sending the data to be sent to the outside of the device to the passive optical splitter, thus reusing the sending; step three, the passive optical splitter implements splitting on the received data outside the device and / or reuses the data inside the device for sending thereof to the outside of the device, thus implementing a method which is simpler and only needs one optical fiber to be connected with the optical circuit terminal, avoiding the wire connection between each optical network unit or each optical network terminal, being convenient for users to operate and use, and leading the user operations of each optical network unit or each optical network terminal to be finished in a united platform interface.

The invention provides a clear release agent for large area, which is characterized in that the clear release agent is mainly fixed by gasoline, alcohol, ceresin wax and new concept concrete surface beautifying release agent Lishi 50 (water solution type) produced by Kao Chemical Corporation Shanghai, wherein the mass ratio thereof is as follows: 60-80 parts of the gasoline, 8-20 parts of the alcohol, 10-30 parts of the ceresin wax and 3-10 parts of Lishi 50. The clear release agent for large area is nontoxic, tasteless, economic, environment-friendly, and convenient for production and use; can lead an exposed concrete preformed unit produced thereby to meet the requirements of surface air bubbles, crackles, planeness and fineness; shortens the construction period; and saves the cost of secondary decoration.

The invention discloses an electrical automatic paint spraying device. The electrical automatic paint spraying device comprises a rack, a power distribution cabinet, a paint supplying barrel and a sliding rail. The power distribution cabinet is fixedly connected to one end of the rack. The paint supplying barrel is fixedly connected to the other end of the rack. The sliding rail is fixedly connected to the top of the rack. One side of the sliding rail is slidably connected with a paint spraying head. One side of the paint spraying head is fixedly connected with a feeding pipe. One side wall ofthe power distribution cabinet is fixedly connected with a first mechanical arm. One side wall of the paint supplying barrel is fixedly connected with a second mechanical arm. One ends of the first mechanical arm and the second mechanical arm are fixedly connected with mechanical grippers correspondingly. The bottom of the second mechanical arm is fixedly connected with an air blowing table. Theelectrical automatic paint spraying device is reasonable and novel in design and convenient to operate and use, paint materials can be stirred and heated, paint spraying uniformity on the surface of the spraying paint raw materials is effectively improved, meanwhile the spraying paint raw materials of different diameters can be treated, the product paint spraying efficiency can be effectively improved, and the electrical automatic paint spraying device has high practicality and is suitable for widespread use and promotion.

The invention provides a water-based ink drying device for a polyethylene plastic film printing pattern. The water-based ink drying device comprises a drying box. A support plate is fixedly welded tothe lower portion of the left side of the drying box. A connecting frame is fixedly welded to the upper surface of the support plate. A film roller is mounted on the connecting frame. An outlet is formed in the wall of the lower portion of the left side of the drying box, and an inlet is formed in the upper portion of the drying box. Fixed reflective plates are welded to the right sides of preheating plates. Support wheel rollers are arranged on the right sides of the reflective plates. A gas distribution plate is arranged above the support wheel rollers. Fixed connecting rods and telescopic connecting rods are symmetrically arranged on the left side and the right side of the upper surface of the gas distribution plate. The upper portions of the telescopic connecting rods are connected into the fixed connecting rods, and a permanent magnet is mounted at the upper end of each telescopic connecting rod. A glass plate is arranged on the right side of a transmission wheel roller. A supportis mounted on the right side of the glass plate. The right side of a heating resistance wire is fixed to the right side wall of the drying box through a connecting rod. The water-based ink drying device is easy and convenient to use and operate and high in practicability, and the drying effect of films is remarkable.

The invention discloses a wireless remote real-time testing system for a water injection well. Remote real-time monitoring of downhole water injection conditions of the water injection well in an office environment, remote downhole automatic sealing check and testing and adjustment of water injection flow in all sections can be realized, and stratum mouth front pressure and back pressure can be monitored in real time. The system comprises an intelligent downhole water distribution tubular column, a ground control part and a remote service part, wherein the remote service part comprises a computer and a server connected with the computer, the server is connected with a first wireless transceiver, the first wireless transceiver is connected with a second wireless transceiver in a wireless mode, and the second wireless transceiver is connected with a controller in the ground control part; the intelligent downhole water distribution tubular column comprises an intelligent downhole water distributor and a cable-passing well-washable packer which are arranged on an intelligent downhole water distribution tubular column body, the intelligent downhole water distributor is connected with the controller through a cable, and a vortex flow meter and a pressure sensor are arranged on the intelligent downhole water distributor. The wireless remote real-time testing system is convenient to operate and use, high in practicability and remarkable in effect.

The invention relates to an electrolytic degreasing ultrasonic cleaner, which comprises a rack, wherein the rack is provided with a box; an electrical control cabinet is arranged on the rack on one side of the box; a liquid storage filter tank is arranged in the box; an electrolytic cleaning tank is arranged above the liquid storage filter tank; the bottom of the electrolytic cleaning tank is provided with an ultrasonic transducer; a plurality of anode electrode copper bars and a plurality of cathode electrode copper bars are transversely arranged in the upper space in the ultrasonic transducer; the anode electrode copper bars and the cathode electrode copper bars are alternately arranged; the cathode electrode copper bars are longitudinally provided with a plurality of cathode electrode plates; a circulating pump is arranged in the liquid storage filter tank; an overflow port is formed on one side of the electrolytic cleaning tank; the electrolytic cleaning tank is communicated with the liquid storage filter tank; a circulating water inlet is formed on the other side of the electrolytic cleaning tank and is connected with the circulating pump in the liquid storage filter tank through a water inlet pipe; a filter is arranged on the water inlet pipe in the liquid storage filter tank; and a drain outlet with a valve is arranged on one sides of the bottoms of the liquid storage filter tank and the electrolytic cleaning tank respectively.

A device for an electric hand-held device for detecting the hand-held device being clasped by a hand, has at least one transmitting electrode, which can emit an alternating electric field, and at least one receiving electrode, in which the alternating electric field can be coupled at least partially, wherein the at least one transmitting electrode and the at least one receiving electrode can be arranged on the hand-held device such that each of them is at least partially covered by the hand when the hand-held device is being clasped by the hand. When the hand-held device is being clasped by the hand, a first portion of the alternating electric field emitted by the transmitting electrode can be coupled via the hand into the receiving electrode, wherein at least the first portion of the alternating electric field is a characteristic representative of the hand-held device being clasped by the hand.

The invention relates to a deviation rectification device for material rolling. The deviation rectification device is provided with a transverse beam, a base and a floating frame; the base is fixedlyinstalled on the transverse beam through two fulcrums, the floating frame is installed at the upper end of the base, second fulcrums are fixed to the two sides of the top end of the floating frame through bolts, a guide roller is arranged between the two second fulcrums and is provided with a material film, and a detecting device is arranged at the lower end of the guide roller; a plurality of rollers are installed at the lower end of the floating frame and are matched with rails arranged on the base, the base is connected with the tail of an electric driving device, the head of the electric driving device is connected with the floating frame, and the head of one end of the base is provided with an adjusting hand wheel capable of adjusting the floating frame. The deviation rectification device is simple in structure, easy to use and operate and good in deviation rectification effect, and the working efficiency is improved.

The invention discloses a cleaning device for a hydrological survey sampling bottle, relates to the technical field of glass bottle cleaning equipment, and solves the problems that an existing cleaning device cannot clean all parts of a bottle body well and more comprehensively, the situation of missing cleaning is easy to occur, and in addition, due to interference of an internally-inserted brushing part, the bottle body is strenuous and inconvenient to take and unload after being cleaned. The cleaning device for the hydrological survey sampling bottle comprises a cleaning box; the cleaning box comprises a cover plate, an intermediate gear and a water guide pipe; the whole cleaning box is of a rectangular structure; the cover plate covers an opening in the top end of the cleaning box in atightening mode; an L-shaped water discharging pipe is welded to the center of a bottom plate of the cleaning box in a communicating mode; and the water guide pipe is supported and welded at the topend of the right side wall of the cleaning box. According to the cleaning device for the hydrological survey sampling bottle, five brushing cylinders, five spraying cylinders and five brushing discs are used together in a matched mode so that all-around thorough rotary sweeping and wiping cleaning can be conducted on the interior, the exterior, the front portion and the rear portion of the bottlebody, and the probability of missing cleaning is greatly reduced.

The invention provides a novel trolley copper slide wire used in an overhead crane. The invention belongs to the field of overhead crane equipment. The slide-transmission wire provided by the invention comprises truss-type big iron towers (1) used for placing suspension wire ceramic bottles; suspension wire ceramic bottles (2) used for tensioning a cable; a CT-series copper trolley wire (3); a slide block (4) with a conductive effect; an electricity collection frame (5) with an electricity transmission function; a universal joint (6) used for preventing the electricity collection frame (5) from being stuck; an overhead crane electricity transmission fixing frame (7); a reversed-L-shaped small iron tower (8) used for fixing the trolley wire (3); counterweights (9) used for tensioning the trolley wire (3); and diagonal bars (10) used for stabilizing the big iron towers. With the slide-transmission wire provided by the invention, overhead crane failure rate can be reduced, overhead crane service life can be prolonged, and maintenance cost can be reduced. The structure is simple, and operation and application are convenient. With the slide-transmission wire, equipment normal operation can be safely, reliably, and stably ensured.

The invention relates to a novel unmanned aerial vehicle for pesticide spraying. The novel unmanned aerial vehicle comprises a vehicle body, rotor wings, a pesticide tank and a taking-off and landingsupport, wherein a limiting frame is arranged at the middle position of the lower end of the vehicle body, the pesticide tank is placed on the limiting frame, the limiting frame comprises a fixing plate, a rotary supporting plate, a fastening block and a fastening screw, the lower end of the fixing plate is connected with the rotary supporting plate through a rotary shaft, a sliding block is fixedly arranged at the lower end of the fastening block, a connecting screw hole if formed in the upper end, the upper end is in threaded connection with the fastening screw through the connecting screw hole, the fastening screw and the fastening block are in vertical shapes, the outer end of the fastening screw is sleeved with a fastening piece, a sliding groove matched with the sliding block structure is formed in the inner surface of the rotary supporting plate, and a limiting screw hole matched with the fastening screw structure is formed in the upper end of the fixing plate. The pesticide tank is cuboid, and spraying devices are arranged on two sides of the lower end face of the pesticide tank. The taking-off and landing support comprises a connecting rod and supporting rods, wherein thesupporting rods and the vehicle body are kept in parallel. The novel unmanned aerial vehicle has the advantages of being convenient to use, capable of saving energy, efficient and wide in applicationrange.

The invention discloses an ultra-high performance concrete conveying and batching device, and relates to the technical field of concrete production. The ultra-high performance concrete conveying and batching device comprises a mixing box, the top end of a top frame is fixedly connected with a driving motor, an output shaft of the driving motor is fixedly connected with a linkage device, a stirringmechanism and a reciprocating pushing mechanism are arranged in the mixing box, and the bottom end of the mixing box is fixedly connected with a middle cover; and bottom pipes are fixedly connected to the two sides of the middle cover, and the ends, away from the middle cover, of the bottom pipes penetrate through the mixing box. According to the device, through arranging the linkage device, thestirring mechanism and the reciprocating pushing mechanism can be driven to move synchronously, concrete materials in the mixing box are pushed and stirred, and dual mixing is achieved; through arranging a conveying mechanism and a circulating pipe, concrete deposited at the bottom of the mixing box can be lifted, so that the concrete is more uniform in the mixing box; and switching between mixingand conveying output can be achieved through arranging a conveying switching device, the structural arrangement is ingenious, use and operation are easy, and the mixing and conveying effects on the concrete are good.

The invention discloses a stamping die for a car seat sliding rail, and belongs to the technical field of car seat processing. The stamping die comprises a base, a lower mold seat is arranged above the base, and a sleeve is arranged in the center of the upper portion of the upper mold seat. A second through hole is formed in the center of the top of the sleeve, and a third spring is arranged in the sleeve. The top of the third spring is fixedly connected with a connecting plate, and a connecting rod is arranged on the side, away from the third spring, of the connecting plate. The end, away from the connecting plate, of the connecting rod penetrates through the top of the sleeve and is fixedly connected with a pressing plate. The stamping die is provided with the pressing plate, the connecting rod, the sleeve and the third spring, and by arranging the sleeve and the third spring, when an upper mold is driven by an air cylinder to extrude a lower mold, the third spring is extruded by theconnecting rod, the third spring is shrunk into the bottom of the sleeve; and when stamping is completed, the third spring is stressed to bounce back, the connecting rod drives the pressing plate toreset, and a mold in the lower mold is ejected out.

The invention discloses an efficient agricultural straw stalk smashing device, which comprises a machine body, wherein the top of the machine body is communicated with a feeding hopper, the right sideof the machine body is provided with a motor, an output shaft of the motor is fixedly connected with a first rotary plate, the left side of the first rotary plate is fixedly connected with a first rotating shaft, the left end of the first rotating shaft runs through the machine body, extends into the machine body and is fixedly connected with first smashing blades, and the right side of the machine body is provided with a second rotary plate at the bottom of the first rotary plate. The efficient agricultural straw stalk smashing device can perform staggered smashing on straw stalks through setting the motor, the first rotary plate, the first rotating shaft, the second rotary plate, a second rotating shaft and a belt so as to improve the straw stalk smashing efficiency, and can collect thedust generated in the smashing process through setting a dust storage box, a fan and a communicating pipe so as to avoid the dust from polluting the air and harming the human health. Meanwhile, the efficiency agricultural straw stalk smashing device solves the problems that a lot of dust is generated in the smashing process, the straw stalks are not completely smashed, and that the processing efficiency is affected.

The invention discloses a patient controller used for accurately controlling a magnetic switch in an implanted medical device. A stimulating on / off button and a speed-up interception button are arranged on the patient controller. When a patient presses the stimulating on / off button, a first timer is triggered so that an electromagnet is effective in three seconds and then the implanted medical device is capable of judging that the patient sends out an off stimulating output signal according to the time; and when the patient presses the speed-up interception button, a second timer is triggered so that the electromagnet is effective in one second and then the implanted medical device is capable of judging that the patient sends out a rapid interception signal according to the time and thus the pull-in time of a reed switch is controlled accurately so that the patient can be helped in judging whether the patient controller is used in an off stimulating output mode or in a rapid interception mode and thus error judgment of the implanted medical device is prevented and operation and use is facilitated for the patient. The invention also discloses an implanted medical system which includes the patient controller.

The invention discloses a punching device for an automobile mold, comprising a device main body, one end of the device main body is provided with a clamping rod, and one end of the clamping rod is provided with a sliding device, and the sliding device is equipped with a clip through a slider. One end of the clamping device is provided with a clamping plate, one end of the clamping plate is installed with a fixed plate through a rotating shaft, both ends of the fixed plate are equipped with clamping blocks, and the other end of the main body of the device A support rod is installed, the inner cavity of the support rod is equipped with a stabilizing device, and one end of the stabilizing device is connected with the inner wall of the support rod through a connecting plate, one end of the support rod is provided with a support device, and one end of the support device is provided with There is a connecting rod, and one end of the connecting rod is equipped with a punching device through a lifting device. The invention is simple to use, convenient to install, and convenient for users to use, so that users have good convenience in the use process.

The invention provides a low-viscosity normal-temperature-curable two-component epoxy glue. The low-viscosity normal-temperature-curable two-component epoxy glue comprises an epoxy material (a component A) and a curing material (a component B), wherein the epoxy material comprises the following components by weight: 82.2 to 88% of epoxy resin, 3.5 to 6% of benzyl alcohol, 0.5 to 0.8% of an organosilicone antifoaming agent, 4.0 to 5.0% of fumed silica, 0.5 to 1.0% of a color paste and 3.5 to 5% of pearl powder; and the curing material comprises the following components by weight: 75 to 85% of amodified amine curing agent, 5 to 10% of epoxy resin and 10 to 15% of benzyl alcohol. The low-viscosity normal-temperature-curable two-component epoxy glue provided by the invention has the followingbeneficial effects: the epoxy glue provided by the invention has the characteristics of low viscosity, curability at a normal temperature, adjustable color, high glossiness after curing of the glue,etc., and is simple in preparation process and simple, convenient and rapid in operation and application; and a quartz clock frame prepared by using the low-viscosity normal-temperature-curable two-component epoxy glue provided by the invention has various colors and strong three-dimensional sense, and the appearance and grade of a quartz clock are improved, so the quartz clock has better market prospect.

The invention relates to the field of computer WEB webpage design, wherein an IE browsing window design method is disclosed which comprises the steps of, establishing self-made control member using script language on the opened webpage, creating a window of the same outline, creating IE control member in the window and directing it to the webpage, creating interface to realize the information communication between the self-made control member and the webpage, and packing the self-made control member into CAB file and proceeding digital signature into the network. According the invention, IE browsing window of any shapes can be realized.

The invention relates to the technical field of energy storage power stations, and discloses an energy storage power station multi-branch system capable of achieving fault redundancy. The problems that when the internal temperature of an energy storage power station system is high, comprehensive and effective heat dissipation cannot be conducted, and meanwhile use and operation of a sunshade mechanism are not simple and convenient enough are solved. The energy storage power station multi-branch system comprises a foundation boss; U-shaped wall bodies are mounted on the two sides of the top of the foundation boss correspondingly; a ceiling is mounted between the tops of the two U-shaped wall bodies, and movable walls are mounted between the two ends of the two U-shaped wall bodies correspondingly; long grooves are formed in the two ends of the top of the foundation boss and the two ends of the bottom of the ceiling correspondingly; and supporting shafts are mounted at one ends of the tops and the bottoms of the two movable walls correspondingly and movably inserted into the long grooves. According to the energy storage power station multi-branch system, heat dissipation and ventilation operation can be conducted in high-temperature weather and when the internal temperature is high, comprehensive and effective heat dissipation and ventilation can be conducted on an energy storage power station, and thus the energy storage power station can be safely used and stably operate.

The invention relates to a laparoscopic suturing device. The device comprises a handle, a swinging head and a gun sleeve, the upper end of the handle is hinged to a wrench, the swinging head is provided with a swinging head seat, the front end of the swinging head seat is provided with an arc-shaped track for placing sewing needles, the rear end of the swinging head seat is rotationally provided with a turntable, the turntable is eccentrically hinged to a swing rod for driving the sewing needles to rotate, the turntable is coaxially provided with a rotary sheave, and the handle is internally provided with a first traction steel wire of which the front end penetrates through the gun sleeve and is in winding connection with the rotary sheave along one side of the rotary sheave, and a secondtraction steel wire of which the front end penetrates through the gun sleeve and is in winding connection with the rotary sheave along the other side of the rotary sheave. According to the invention,the first traction steel wire and the second traction steel wire pull the rotary sheave to alternately rotate clockwise and anticlockwise, and the turntable drives the swing rod to drive the rotary motion of the sewing needles, so that the precise position of the rotary motion of the sewing needles is ensured, and the success rate of the operation is improved.

The invention relates to the technical field of medical equipment, in particular to a physical therapy device for a gynecology department. The physical therapy device comprises a machine body, whereinuniversal wheels are fixedly arranged on the bottom surface of the machine body; control buttons are fixedly arranged at the front part of the upper surface of the machine body; fixed blocks are fixedly arranged at the rear part, which is close to the control buttons, of the upper surface of the machine body; a slide rod is fixedly arranged on the right side walls of the fixed blocks. According to the physical therapy device disclosed by the invention, the slide rod and the fixed blocks are arranged at the rear part of the upper surface of the machine body, meanwhile, a sliding block and a sliding rod are arranged at the rear part of a rotating seat, the slide rod is fixedly connected with the machine body by virtue of the fixed blocks, the sliding rod is in sliding connection with the slide rod by utilizing the sliding block, the sliding rod can rotate to a certain angle by utilizing the slide rod as a guiding rod, and a height adjusting rod can be driven to rotate synchronously, sothat a placement position of a moxa-moxibustion furnace can be adjusted, moxa-moxibustion physical therapy can be carried out on the whole body of a patient, back-and-forth movement of an instrument is avoided, manpower is saved, and the operation and the use are convenient.

The invention discloses an intelligent remote controller, which includes a functional area module, a function switching module and a power supply module; the functional area module includes a plurality of functional sub-modules for various functional operations; the function switching module is connected with a function switching circuit; the power module is provided with a battery, and the battery is a rechargeable lithium battery. The invention integrates the editing and editing of remote control functions of various household appliances into a remote control, and realizes separate control through a function switching module during use, which is convenient for users to operate and use. The battery used is a rechargeable lithium battery, which is environmentally friendly and energy-saving.

The invention discloses sanitation cleaning equipment and a control method thereof. The sanitation cleaning equipment includes a chassis, a suction cleaning system and a water washing cleaning system,a walking mechanism arranged under the chassis, a driving drive mechanism, a control mechanism and a control system, wherein the suction cleaning system and the water washing cleaning system are arranged on the chassis, and the driving drive mechanism drives a sanitation cleaning equipment body to travel by the walking mechanism; the control mechanism is used for receiving operation instructions;the control system is connected with the suction cleaning system, the water washing cleaning system, the driving drive mechanism and the control mechanism correspondingly; the control system controlsthe suction cleaning system, the water washing cleaning system and the driving drive mechanism correspondingly according to the operation instructions, detects the position relationship between the control mechanism and the chassis, and controls the switching between a driving mode and a towing mode of the sanitation cleaning equipment body according to the position relationship between the control mechanism and the chassis. The sanitation cleaning equipment can serve both cities and countrysides, and can adapt to different application occasions, and sanitation personnel can operate and use the sanitation cleaning equipment conveniently.

The invention discloses a teaching method for an automatic control system for reproducing coal mining machine teaching. A coal mining machine is of a dual-roller coal mining machine; the automatic control system for reproducing coal mining machine teaching comprises a controller, a wireless communication module, a data storage device, a displacement sensor, a left rocker arm angular transducer and a right rocker arm angular transducer; The teaching method for the automatic control system for reproducing coal mining machine teaching comprises teaching of four modes and ten patterns, that is, the mode A is the high-in-front and low-in-back teaching mode and includes the pattern A1 of double-cutter teaching, the pattern A2 of single cutter towards the right teaching, and the pattern A3 of single cutter towards the left teaching; the mode B is the low-in-front and high-in-back teaching mode and includes the pattern B1 of double-cutter teaching, the pattern B2 of single cutter towards the right teaching, and the pattern B3 of a single cutter towards the left teaching; the mode C is the low-in-left and high-in-right mode and includes the pattern C1 of single cutter towards the left teaching, and the pattern C2 of single cutter towards the left teaching; and the mode D is the teaching mode and includes the pattern D1 of single cutter towards the right teaching and the pattern D2 of single cutter towards the left teaching. The teaching method for the automatic control system for reproducing coal mining machine teaching is simple in method and step, reasonable in design, convenient to achieve, high in teaching learning efficiency, high in practicability and convenient to popularize and use.

The invention discloses a novel self-service learning system which comprises a management module and a student use module. The management module comprises a logging module, a student logging management module, a learning management module, a testing management module and an exit management module. The student use module comprises a student logging module, a learning module, a testing module and an exit module. The logging module processes logging information of a manager, and the student logging management module performs verification processing of the logging information of the student logging management module. The learning management module processes instructions and information emitted by the learning module, the testing management module processes and feedbacks testing information sent by the testing module, and the exit management module processes and verifies exit information emitted by the exit module. By the means, the novel self-service learning system provides a platform dedicated for learning of students, operation is simple, and use is convenient.

The invention discloses a pit digging machine for nursery stock planting. The pit digging machine comprises a fixing plate, wherein support columns are fixedly connected with the bottom of the fixingplate; two symmetric connecting rods are fixedly connected with the lower part of the right side surface of the fixing plate; a push handle is fixedly connected with the upper part of the left side surface of the fixing plate; a support arm is fixedly connected with the upper part of the right side surface of the fixing plate; a hydraulic tank is fixedly connected with the bottom of the support arm; a piston matched with the hydraulic tank is arranged inside the hydraulic tank; a hydraulic push rod is fixedly connected with the bottom of the piston; one end far away from the piston, of the hydraulic push rod, penetrates through the hydraulic tank and extends outside the hydraulic tank; one end extending outside the hydraulic tank, of the hydraulic push rod, is fixedly connected with a power tank; a driving motor is fixedly connected with the top wall inside the power tank; the output end of the driving motor is fixedly connected with a sleeve. The pit digging machine for nursery stockplanting has the advantages of being convenient for users to carry over, convenient for users to adjust and convenient for users to operate.