307results about How to "Reduce fatigue" patented technology

The application provides a wheelchair control system based on motor imagery electroencephalogram signals and surface electromyogram signals, and relates to the technical field of brain-computer control, comprising a data acquisition module, a system mode selection module, a signal processing module and a decision module; the data acquisition module is used for acquiring physiological signals of a wheelchair user and sending the physiological signals to the system mode selection module; the system mode selection module is used for selecting a processing mode of the physiological signals; the signal processing module is used for pre-processing the physiological signals and extracting signal features for identification; the signal processing module sends an identification result to the decision module; the decision module is used for fusing multiple instruction information and converting the instruction information into a final wheelchair control instruction, and outputting the control instruction to the wheelchair. The application can improve the operation accuracy of the control system, reduce the fatigue of the user when performing motor imagery behavior, improve the user experience and the application performance of the wheelchair control system, and expand the user range of the brain-controlled wheelchair.

The utility model discloses a detachable supporting assembly for a giant circular ring. The detachable supporting assembly comprises a lining plate, a first supporting rod, a second supporting rod and an adapter plate. The plurality of lining plates are uniformly arranged in a circle along the inner wall of the ring and are fixed with the inner wall of the ring by spot welding, the adapter plate is located at the center of the ring, the length of the two first support rods is slightly smaller than the diameter of the ring, two ends are connected with the lining plates through bolts, and the middle is connected with the adapter plate through bolts; the second inner supporting rods are arranged in the radial direction, the outer ends of the second inner supporting rods are connected with the inner lining plate through bolts, and the inner ends of the second inner supporting rods are connected with the adapter plate through bolts. The inner supporting assembly is simple in structure and convenient to construct, on the premise that stable supporting is guaranteed, mounting and dismounting difficulty is lowered, mounting time is shortened, labor cost is saved, meanwhile, welding workload is reduced, worker fatigue and welding quality reduction caused by long-time welding are avoided, the inner supporting assembly can be positioned and corrected through bolts, and the production efficiency is improved. Compared with an all-welded structure, stress concentration can be effectively reduced.

This invention belongs to the field of health pillow technology, and specifically provides an adaptive height-adjustable support frame and the adaptive height-adjustable sleep health pillow constructed therefrom. The support frame includes a base plate, a compensation edge plate, and a support panel. These three plates form an approximate "Z" structure under the action of a reset elastic element and a hinge element. The support panel is configured as a support surface that can switch between an inclined position and a flat position relative to the base plate. The health pillow includes a pillow cushion, a pillowcase, and the aforementioned support frame. The pillow cushion is installed on the support panel of the support frame, and the pillowcase is placed over the pillow cushion and the support frame. This health pillow structure can not only automatically adjust its vertical displacement according to the pressure of the head and neck, but also adaptively adjust the support surface according to the sleeping posture to ensure that it is continuously and closely fitted to the physiological curve of the human head and neck, improving the support force for the neck and head, maintaining the physiological curvature of the neck, and relieving shoulder and neck pain with long-term use, reducing the probability of stiff neck, neck fatigue, and chronic strain.

The invention provides an endoscope sharing control method based on a human body signal and a game theory, and belongs to the field of medical instruments, and the endoscope sharing control method comprises the following steps: obtaining eyeball movement data; based on the eyeball movement data, determining eye movement control position data used for representing a manual control intention through gaze thermodynamic diagram analysis; based on the eyeball movement data, through quantitative analysis of sight, eye opening degree and pupil size, obtaining reference indexes used for representing intention integrating degree and manual control burden; machine control position data used for representing the expected moving distance of the endoscope are obtained by analyzing the position relation between a target object and the endoscope in an endoscope image, and the endoscope image is collected in real time through the endoscope; based on the machine control position data, the eye movement control position data and the reference index, determining shared control position data through a cooperative game strategy; movement of the endoscope is controlled based on the shared control position data.

The utility model discloses a disc brake cover cutting device which comprises a cutting device, the cutting device comprises a base support, a fixed cover bottom cutting die and a cutting support, the fixed cover bottom cutting die and the cutting support are arranged on the base support, and a cutting mechanism covering the fixed cover bottom cutting die is arranged on the cutting support. The cutting mechanism comprises a guide cutting plate connected with the cutting support in a sliding mode and a hydraulic driving device driving the guide cutting plate to slide, an upper cover cutting die matched with the fixed cover bottom is arranged on the guide cutting plate, and a clamping device is arranged on the upper cover cutting die; the cover conveying device comprises a cover conveying support, a sliding plate assembly is arranged on the cover conveying support, a cover body placing piece is arranged on the sliding plate assembly, and the cover body placing piece is arranged under the upper cover cutting die in a sliding mode through the sliding plate assembly. And the equipment complexity and the maintenance cost are reduced, and an efficient and low-cost solution is provided for large-scale production of the electric vehicle disc brake cover.

The stereoscopic assembly wiring tool described in the application belongs to the field of logistics sorting and automation equipment. A special tool and assembly means with lower cost, light weight and higher adaptability are proposed to achieve the purposes of simplifying the wiring process, reducing the operation workload and difficulty, and improving the wiring assembly efficiency and precision. A group of bottom frames are provided, two groups of side frames are supported and connected above the bottom frames, a group of side wall cross braces are horizontally connected between the two groups of side frames, the bottom frames, the side frames and the side wall cross braces are connected to each other to form a support frame; a group of top plates are horizontally connected between the top ends of the two groups of side frames, support plate assemblies are connected between the adjacent two groups of side wall cross braces and the two groups of side frames at the same height, a bottom plate is arranged on the bottom frame, and a plurality of side plate assemblies are arranged on the side frames.

The utility model provides a comfortable back -carrying type hair dryer with damping structure, include: hair dryer body, hair dryer body one side is equipped with backplate support, backplate support one side fixed mounting has damping component, and damping component includes U shaped elastic sheet, and U shaped elastic sheet fixed mounting is in backplate support one side, and U shaped elastic sheet one side surface is equipped with two empty grooves, and two empty grooves are all respectively pasted with silica gel block in, and silica gel block one side is respectively pasted with soft cotton board. When the user carries the hair dryer body through the shoulder strap, the body pressure is passed to the silica gel block through the soft cotton board, and the high elasticity deformation of silica gel absorbs high frequency fine vibration, and the wave plate is located between two soft cotton boards, and the wave structure of the wave plate produces deformation when being pressed, and the dispersion pressure increases the buffer stroke, improves the comfort degree when the user is carrying.

This utility model discloses a self-lubricating bearing ring for new energy vehicle transmission, including an outer bearing ring. A circulation pipe is snapped into a groove in the outer bearing ring, and the circulation pipe is tightly attached to a first groove, which is formed on a snap-fit ​​block. This utility model utilizes the fact that solid lubricant is typically embedded in the inner bearing ring material. During bearing operation, due to friction and temperature changes, the lubricant in the ring is gradually released to the friction surface. The lubricating film effectively reduces direct metal-to-metal contact, thereby reducing the coefficient of friction and wear rate. The lubricating film can also absorb some heat, helping to control the bearing temperature rise. The three-layer protection of the first, second, and third dustproof rings effectively prevents dust from entering, thus improving the bearing's lubrication efficiency and service life. The circulation pipe contains a heat-absorbing solution, which can significantly improve the heat dissipation capacity of the outer bearing ring, slowing down bearing material fatigue and performance degradation.

The utility model relates to the technical field of kitchen ware, and discloses an anti-toppling stockpot convenient to lift, which comprises a stockpot main body, fixed lifting lugs are arranged on two sides of the stockpot main body, a lifting component is arranged on the top of each fixed lifting lug, a handle block is arranged on the top of each lifting component, and a connecting component is arranged on the top of the handle block on the right side. And the lifting assembly comprises two movable frames, movable rods are slidably connected to the inner sides of the movable frames in a sleeving mode, and cylindrical blocks are fixedly connected to the tops of the inner sides of the two movable rods. By arranging the lifting assembly, the handle blocks, the connecting assembly and the buckle assembly, the two handle blocks are stably attached and cannot be separated, finally, the handle blocks can be held by a single hand to lift the stockpot body, a triangular structure is formed among the lifting assembly, the handle blocks and the stockpot body, single-point force application is easier to control, and the practicability of the stockpot is improved. Splashing of soup can be reduced, fatigue is reduced, moving safety and convenience are improved, and the requirement for stability of a lifting person is low.

Disclosed is an exhaust gas purification apparatus for purifying exhaust gas emitted from an engine and discharges the exhaust gas to an outside, the apparatus comprising: a body (100) formed with an opening area (110) in which one area is opened;an intake part (120) disposed on one side of the body through which the exhaust gas is introduced; a filter (140) disposed inside the body and capable of entry and exit through the opening area; a body cover (160) capable of covering the opening area; a selective reduction catalyst (151, 152) disposed with the body to reduce nitrogen oxides contained in exhaust gas passing through the filter; and a discharge part (130) through which exhaust gas having passed through the selective reduction catalyst is discharged.

The utility model provides a kind of human resource management archives auxiliary threading device, it is related to the technical field of archives management, including base, left stand plate, first sliding slot, first bearing, first lifting plate, screw rod, hand wheel, upper antiskid block, lower antiskid block, arc hole and punch assembly etc.;Traditional manual binding needs page by page alignment, manual punching, for the archives of greater thickness, it is cumbersome and time-consuming to operate.And the device realizes automatic punching through punch assembly, multiple drill bits can work simultaneously, and punching operation of multiple hole positions is completed at one time, which greatly reduces the punching time and significantly improves the overall efficiency of archives binding.Operators do not need to repeat punching, threading and other mechanical actions, effectively reducing hand fatigue caused by long-term operation, reducing the work failure rate and reducing labor intensity.

The utility model provides a hanging device of a vibrating feeder, and belongs to the technical field of hanging devices. The hanging device of the vibrating feeder comprises a spherical concave pad and a spherical protrusion, the spherical concave pad and the spherical protrusion are combined to form a hinge structure, the spherical protrusion falls on the spherical concave pad, an upper pull rod is arranged in the spherical concave pad and the spherical protrusion, an upper pull rod nut is arranged outside the upper pull rod, and a lower pull rod nut is arranged outside the upper pull rod nut. The plane end of the spherical concave pad is fixed to the machine frame, the upper pull rod can swing around a hinge formed by the spherical protrusion and the spherical concave pad, and a middle connecting piece is arranged at the other end of the upper pull rod. The upper pull rod and the lower pull rod are arranged, the upper pull rod, the lower pull rod and the middle connecting piece form a pull rod device, and the upper pull rod and the lower pull rod are connected with the equipment rack and the vibration machine body respectively, so that the effects of stabilizing the posture of vibration feeding, ensuring the precision, isolating harmful vibration, protecting infrastructures and reducing metal fatigue are achieved.

The utility model relates to the field of clothing deburring device discloses mothproof and ventilative sweater processing's deburring device, including two fixed plates, two fixed plates are fixed on handheld rod respectively, the below of handheld rod is equipped with connecting block, the bottom surface of connecting block is fixed in two fixed plates, the bottom surface of connecting block detachably installs the brush, the bottom surface of connecting block is equipped with two clamping holes, the top of brush is fixed with two elastic clamping blocks, the clamping hole, elastic clamping block interlock. In the utility model, through the cooperation of fixed plate, handheld rod, connecting block, brush, clamping hole and elastic clamping block, not only provides stable, convenient operation tool for staff, is favorable to the deburring operation of woolen sweater, but also can realize the quick dismounting of brush, improves work efficiency and reduces maintenance cost.

This utility model discloses a garden irrigation spray gun with a spray boom, relating to the field of irrigation spray gun technology. It includes a liquid storage tank, with an injection port on one side surface and a carrying strap on the same side. A spray boom gun is mounted on one side of the tank. A support mechanism is provided on the upper surface of the tank, comprising a strut assembly and a weighting assembly. The strut assembly includes a connecting frame, which is fixedly installed on the upper surface of the tank. A sunshade top plate is provided on the upper surface of the connecting frame, with a pivot at the connection between the sunshade top plate and the connecting frame. A limiting protrusion is provided on the upper surface of the sunshade top plate, and a storage sleeve is provided on the upper surface of the limiting protrusion. A support rod is provided on one side surface of the storage sleeve. In this design, by providing a support mechanism, the weighting assembly increases weight and slides down when extended, and retracts the support rod and returns the weighting liquid when shortened, effectively reducing the grip burden on workers.

This utility model discloses a vibrating screen for nicotinamide production, comprising a support frame, four fixed seats (first type) fixed to the support frame, springs fixed to the fixed seats (first type), and fixed seats (second type) fixed to the springs. A vibrating screen body is fixed between the four fixed seats (second type). A dual-shaft motor is fixed to the lower side of the vibrating screen body. Eccentric wheels are fixed to the output shafts of the dual-shaft motors. Fixed columns are fixed to the output shafts of the dual-shaft motors. Connecting shells are fixed to the fixed columns. Sealing covers are fixed to the connecting shells. Connecting pipes are embedded within the fixed columns and communicate with the connecting shells. Through its control structure, this utility model allows the device to dynamically adjust the amplitude of the vibrating screen body according to screening requirements. When a water pump is started to inject water into the connecting shells, the centrifugal force of the connecting shells increases, causing the dual-shaft motors to drive the vibrating screen to produce a larger amplitude, suitable for processing materials that are difficult to screen. Conversely, pumping water reduces the amplitude, suitable for fine screening.

The utility model discloses a lower clamping strip of an automobile front windshield, and belongs to the technical field of automobile parts, the lower clamping strip comprises a clamping groove of a U-shaped structure, the clamping groove comprises a straight arm, a bottom strip and a crank arm which are connected in sequence, the outer side face of the crank arm extends outwards to form a strip-shaped piece, the strip-shaped piece is of a straight-strip-shaped structure, two protruding strips are arranged on the bottom face of the strip-shaped piece, and the two protruding strips are arranged on the bottom face of the strip-shaped piece. The two protruding strips are arranged at intervals, two flanges are arranged on the bottom face of the bottom strip, a first synapse, a second synapse and a third synapse are arranged on the side face, close to the straight arm, of the crank arm from top to bottom, and the second synapse extends to the outer side of the third synapse. The structural arrangement of the lower clamping strip is further optimized, and the sealing performance and stability of the lower clamping strip are improved. The structural arrangement of the lower clamping strip is further optimized, and the sealing performance and stability of the lower clamping strip are improved.

The utility model relates to cell dyeing field discloses the dyeing machine convenient to clean and maintain, including workbox, the both sides upper surface fixed connection of workbox has adjusting assembly, the outer wall of adjusting assembly is provided with support frame, the inside sliding connection of support frame has slide rod, the lower surface sliding connection of slide rod has second sliding block, the lower surface fixed connection of second sliding block has liquid outlet, the lower surface fixed connection of second sliding block has the air outlet, the inside fixed connection of workbox has the vibration block, the upper surface fixed connection of vibration block has the support block, the upper surface of support block is provided with the glass slide frame, the upper surface of glass slide frame is provided with the glass slide. In the utility model, the second cylinder is opened and drives second fixed block to move, drives second connecting rod and first connecting rod to rotate, further drives the clamping plate to move, thereby can reach the effect that the support frame makes the support frame internal structure convenient cleaning and maintenance with quick installation and disassembly support frame.

The utility model discloses an inflatable pulp board accessory reinforcing device belongs to inflatable pulp board technical field, this inflatable pulp board accessory reinforcing device, including processing table and the hot -blast rifle of installing at processing table top, the front end of first support is connected with rotating mechanism, the front end mounting of second support has drive mechanism, the front end of second support is connected with reciprocating mechanism, the bottom of reciprocating mechanism is connected with the drum, drive mechanism is used for driving reciprocating mechanism movement, the utility model discloses through rotating mechanism adjustment hot -blast rifle muzzle and the angle and distance between processing table, ensure that hot -blast concentrated effect is in the bonding area, promote heating efficiency and avoid material overheating damage, through drive mechanism with stable mechanical power replaces manual hot -blast rifle and scraper's physical labor, reduce the worker's fatigue while guaranteeing processing rhythm consistency, through reciprocating mechanism drive drum reciprocating sweep, automatically exclude air bubble and compact bonding layer, promote scraping pressure degree and the stability of frequency.

The utility model discloses a multifunctional side table, and particularly relates to the technical field of furniture, the multifunctional side table comprises a table plate, detachable table corners and an adjusting support plate, the detachable table corners are arranged in an inner cavity of a limiting groove, and the adjusting support plate is arranged in an inner cavity of a mounting groove; by means of the design of the adjusting supporting plate, the multifunctional desk can adapt to various scenes such as reading, notebook computer using and drawing, a user can flexibly adjust the angle according to needs of the user, using convenience is greatly improved, neck fatigue is relieved during reading, pressure of arms and the cervical vertebra is relieved during computer using, and a comfortable posture is maintained during drawing; the detachable table corners can effectively reduce the fatigue feeling of the body caused by keeping bad postures for a long time, a user can adjust the detachable table corners to a proper angle according to own needs, the use comfort is improved, the body injury risk is reduced, the detachable table corners are designed to achieve the detaching effect, the detached detachable table corners can serve as small trays to be independently used in various scenes, and the detachable table corners are convenient to use. The table is not limited by the position of the side table and is more convenient and faster.

This utility model discloses a portable airbag massage sleeve, including a sleeve body. Several hook-and-loop fasteners are fixedly connected to the inner wall of the sleeve body. Hook-and-loop loops are adhered to the hook-and-loop fasteners. Several airbag balls are fixedly connected to each hook-and-loop fastener. Air tubes are fixedly connected between the airbag balls. An air-filling tube is fixedly connected to one of the airbag balls. Several through holes are opened on the side wall of the sleeve body. The other end of the air-filling tube passes through the through holes of the sleeve body. The airbag balls are equidistantly distributed on the hook-and-loop fasteners and arranged in a ring about the central axis of the sleeve body. Several rubber blocks are fixedly connected to each airbag ball and are arranged in a ring at equal intervals on the surface of the airbag ball. This utility model is characterized by its ease of massage and convenient assembly and disassembly of the airbag balls.

The utility model relates to the technical field of guide wire equipment, in particular to a guide wire operation platform with expansion, which comprises a support plate, an operation platform is arranged at the top of one side of the support plate, the operation platform is adjusted by a lifting adjusting component to perform lifting operation, one side of the operation platform is connected with an expansion platform, and the expansion platform covers the upper part of the body of a patient. The operating platform is located on one side of the patient body, one end of the operating platform is telescopically and slidably connected with a push-pull plate, and a hand supporting plate is mounted at the top of one end of the push-pull plate. According to the guide wire operation platform with the expansion function, bolt or welding fixation is not needed, the supporting plate can be directly plugged under an operation mattress for positioning, and the requirements of different heights are met; the guide wire frame can be quickly taken out for disinfection after being used, is compactly stored when not used, solves the problems that a traditional guide wire frame is tedious to disassemble and assemble and occupies space, and reduces operating room instrument management cost.

This utility model relates to the technical field of self-service car wash equipment, specifically disclosing a shared self-service car wash equipment, including: a self-service washing equipment body; and a drying component, which is disposed on one side of the self-service washing equipment body and is used to dry the washed electric vehicle. The drying component includes a first outer shell fixedly connected to the self-service washing equipment body, and a support block is fixedly connected to the end of the inner cavity of the first outer shell away from the self-service washing equipment body. By providing a drying component, the electric vehicle can be dried after washing, avoiding the use of towels and causing secondary pollution, and reducing user fatigue. By providing a limiting component, the position of the air duct can be limited, preventing the air duct from piling up on the ground and causing wear, thus extending the service life of the air duct. By providing a handle component, the airflow intensity can be adjusted as needed.

The application provides a tennis ball tank pressurizing cover, belonging to the technical field of tennis equipment storage. The tennis ball tank pressurizing cover comprises a shell assembly, a pressurizing assembly, a pressure relief assembly and a tank mouth adapter. The shell assembly is used for accommodating internal components and connecting with the tennis ball tank. The pressurizing assembly is installed inside the shell assembly and is used for unidirectionally pumping external gas into the internal space of the tennis ball tank and blocking the reverse flow of the gas after stopping working. The pressure relief assembly is installed on the shell assembly and is used for controllably releasing the internal gas pressure of the tennis ball tank. The tank mouth adapter is an annular component independent of the shell assembly and is detachably fixed to the tank mouth flange of the tennis ball tank. When locked with the shell assembly, the tank mouth adapter converts the screwing torque into axial thrust to force the tank mouth flange and the bottom end seal of the shell assembly to be pressed tightly to form an end face seal. The application uses a commercial tennis ball tank as a pressure-bearing container to realize the controllable adjustment and maintenance of the gas pressure in the tank while reducing the cost of the device.

This application relates to an automotive seat system and an automobile, including a seat, a sensor module, a control module, and an airbag system, which are connected sequentially. The sensor module includes acceleration sensors and pressure sensors, with at least two acceleration sensors and at least two pressure sensors distributed inside the seat. The airbag system includes airbags and a pneumatic actuator, with at least two airbags distributed inside the seat. The airbags are connected to the pneumatic actuator, which inflates or deflates the airbags. The sensor module and the control module are respectively connected to an on-board electronic terminal. The sensor module transmits collected sensor data to the on-board electronic terminal, and the control module receives control signals generated by the on-board electronic terminal and outputs the control signals to the pneumatic actuator. The seat can adaptively adjust its shape and support strength, achieving intelligent adjustment of seat comfort.

The utility model discloses a polishing machine with adjustable angle shield of splash -proof, characteristics are including the first fixed seat of fixed connection in base, the fixed cover of fixed connection in the first fixed seat, and the fixed cover covers the back half side of polishing wheel, the movable cover of rotation connection in the fixed cover, the lateral edge of movable cover is equipped with the clamping groove, and the clamping groove sets a circle around the pivot of movable cover, the plug -in rod of sliding connection in the fixed cover, and the end of plug -in rod is provided with the taper surface, the first return spring of fixed connection between plug -in rod and fixed cover, the utility model discloses in polishing process, and the user can flexibly, conveniently adjust the protection range of movable cover according to actual operation demand, makes it always with the best matching of current polishing angle, simultaneously, movable cover can keep stable locking in each adjustment position, can ensure the protection effect, and will improve the security and convenience of operation.

The utility model provides a front brake disc dust cover which comprises a cover body, a plurality of mounting bolts are inserted into mounting holes formed in the cover body in a penetrating mode, the rear sides of the mounting bolts are in threaded connection with a hub bearing seat, a plurality of rotating columns are rotationally arranged in the cover body, the rear side of each rotating column is provided with a rotating clamping block, and the rotating clamping blocks are connected with the hub bearing seat in a threaded mode. A plurality of butt joint notches are formed in the front side of the hub bearing seat, each rotary clamping block is installed in cooperation with the adjacent butt joint notch, a limiting ring is arranged on the rear side of the outer arc face of each rotary column, and an elastic driving unit is arranged on the rear side of the limiting ring and the rear side of the cover body. According to the dust cover for the front brake disc, rapid preliminary positioning can be carried out when the dust cover is installed, so that personnel can rapidly install the dust cover without adjustment, the installation time is greatly shortened, the working efficiency is improved, the workload of the installation personnel is reduced, and the labor intensity of the personnel is reduced. And particularly, the fatigue feeling can be obviously reduced during large-batch installation.

The invention discloses an intelligent follow-up rotating cockpit system for port mobile machinery, and relates to the technical field of port mobile machinery cockpits, and the intelligent follow-up rotating cockpit system comprises a middle annular sliding rail mechanism and a flexible suspension frame mechanism which are fixed in a cockpit. The flexible suspension frame mechanism is in sliding connection with the annular sliding rail through an arc-shaped sliding plate, and a seat chassis and a seat are installed on the flexible suspension frame mechanism through a spring damping assembly. The annular sliding rail is further rotationally connected with a display screen, the main operation table and the auxiliary operation table are installed on a seat chassis, and the display screen and the seat achieve synchronous follow-up rotation through magnetic coupling. According to the system, a traditional ground rotating base is replaced with the middle annular sliding rail, and the structure is more compact; the flexible suspension frame provides multi-direction vibration reduction, and comfort is improved. According to the invention, the real-time consistency of the operation visual field and the control direction is realized, and the harbor machinery operation efficiency, the man-machine work efficiency adaptability and the long-term driving comfort are obviously improved.

This utility model discloses a portable seedling planting device for rural agriculture, relating to the field of agricultural technology. The portable seedling planting device includes: a drilling cylinder with a drilling component on its inner side for drilling holes during seedling planting; a fixing plate with a seedling pushing component on its inner side for pushing seedlings out one by one for planting; and a water storage tank with a water replenishment component on its inner side for watering seedlings after planting. The drilling component includes a knob with a connecting rod welded to its bottom, a threaded head fixedly connected to the bottom of the connecting rod, and a drill bit fixedly connected to the bottom of the threaded head. This utility model combines drilling, seedling pushing, and watering in one device, greatly improving farmers' planting efficiency, reducing their workload, and is easy to operate and portable.