54results about How to "Few homework failures" patented technology

The invention relates to a steel roller roundish bale pickup and bundling machine, pertaining to agricultural machinery. A stretching shift type swatch roller is arranged outside a grass stick inlet of a bundling chamber at the lower part of a front bundling chamber of the roundish bale and on a spring tooth pickup. The swatch roller is assembled at the side part of the stretching shift type swatch roller; two intensified surface friction type grass reeling steel roller assemblies are assembled inside the grass stick inlet of the bundling chamber and under grass reeling steel rollers in a back bundling chamber of the roundish bale; two small grass reeling steel rollers with a diameter smaller than that of the grass reeling steel roller are arranged on the stretching shift type swatch roller and a protection panel of the swatch roller and inside the front bundling chamber of the roundish bale. The machine has the advantages of simple and rational structure, smooth picking up of forage grass and feeding of straw, few operation troubles, good bundling quality, high efficiency and strong adaptability.

The invention relates to a gear-driven pot seedling transplantation longitudinal seedling feeding mechanism, and belongs to agricultural machinery. According to the gear-driven pot seedling transplantation longitudinal seedling feeding mechanism, a seedling feeding shaft drive gear is fixed on a seedling feeding shaft and positioned on the outer side of a seedling box side support, a rotation arm shaft welding is matchedly arranged on the seedling box side support and positioned below the side of the seedling feeding shaft, an inner ratchet and outer gear assembly is arranged on the rotation arm shaft welding, a pawl and a spring sheet are fixed on the rotation arm shaft welding, the pawl and the inner ratchet teeth of the inner ratchet and outer gear assembly form snapping contact matching, the spring sheet bears against on the pawl, the outer gear of the inner ratchet and outer gear assembly is engaged with the seedling feeding shaft drive gear, the transmission ratio is 1:2, and a push-pull rod and the rotation arm shaft welding form a hinge connection. The gear-driven pot seedling transplantation longitudinal seedling feeding mechanism has characteristics of novel, reasonable and compact structure design, accurate and stable transmission, low vibration, low noise, less failure, and no damage on the seedling tray.

The invention discloses an unmanned aerial vehicle automatic hangar, and relates to the field of unmanned aerial vehicles. A transferring jacking mechanism is used for taking out an unmanned aerial vehicle storage unit from a corresponding unmanned aerial vehicle storage area, storing the unmanned aerial vehicle storage unit into the corresponding unmanned aerial vehicle storage area, and carryingthe unmanned aerial vehicle storage unit to move; a movable carrier is used for carrying the unmanned aerial vehicle automatic hangar to move; a wireless charging system is used for wirelessly charging an unmanned aerial vehicle in the unmanned aerial vehicle storage unit; a power supply system is used for supplying power to the unmanned aerial vehicle automatic hangar; and a control system is used for controlling a garage door, a locking device, the transferring jacking mechanism, the wireless charging system and the power supply system, and automatic take-off, landing, storage and chargingof the unmanned aerial vehicle are achieved. The hangar is improved and designed, a large number of traditional workers are prevented from participating in the operation process, automatic take-off, landing, storage and charging of the unmanned aerial vehicle are achieved, the operation efficiency of the unmanned aerial vehicle is improved, and the probability of operation faults is reduced.

The invention discloses a two-needle clamping mechanism for dry farmland in-bowl rice seedling transplanting, and belongs to agricultural machinery. A stem casing, a left needle guard and a right needle guard are mounted on a triangular platy frame; the axes of the stem casing, the left needle guard and the right needle guard are located on the same plane; the axis of the left needle guard and the axis of the right needle guard are integrally intercrossed to be V-shaped; a driving rod is inserted into the stem casing; a left inclined rod and a right inclined rod are symmetrically fixed at the lower end part of the driving rod and sleeved by a left sliding sleeve and a right sliding sleeve respectively; a left rice seedling needle and a right rice seedling needle are inserted into the left needle sleeve and the right sliding sleeve respectively; the left rice seedling needle is connected with a left sliding sleeve hinge, and the right rice seedling needle is connected with a right sliding sleeve hinge. When the device is used for clamping the rice seedling bowl, the left rice seedling needle and the right rice seedling needle linearly reciprocate along a fixed angle, and the left rice seedling needle and the right rice seedling needle are directly inserted into the bowl without damage to soil, in-bowl rice seedling and root system, so that the two-needle clamping mechanism can efficiently, accurately and reliably grasp the rice seedling in the bowl, and has the characteristics of reasonable structure, simplicity, good operation quality, high efficiency, less fault and wide application.

The invention relates to a longitudinal seedling-feeding mechanism for pot seedling transplanting, belonging to agricultural machinery. A rotating arm shaft seam is rotatably assembled on a side seedling box bracket; a locating rod is rotatably sleeved on the rotating arm shaft seam; a pull rod base is fixedly mounted on the rotating arm shaft seam; a pull rod is hinged on the pull rod base; one end of the pull rod is matched with the locating rod in an engaging or disengaging manner, and the other end of the pull rod is matched with a ratchet wheel in an engaging manner; a tension spring fixing base is arranged on the side seedling box bracket; two ends of a first tension spring are respectively connected to the pull rod and the tension spring fixing base; two ends of a second tension spring are respectively connected to the locating rod and the tension spring fixing base; the locating rod is matched with the ratchet wheel in an engaging or disengaging manner; and a push rod is hinged on the rotating arm shaft seam. As a ratchet wheel and connecting rod combined locking mechanism is adopted, accumulated errors during continuous pot seedling feeding operations are eliminated; and the longitudinal seedling-feeding mechanism has the characteristics of novel and reasonable structure design, good operation quality, no damage to a seedling tray, small operation fault and reliable use.

The invention relates to a wheel type rice wide-narrow-line direct seeding fertilization combined machine, which belongs to agriculture machinery. Shallow and deep fertilization double-disc furrow opening devices, a fertilizer box, a paddy field driving wheel axle and a seed box are sequentially arranged on a machine frame from the front side to the back side, a driving double-chain wheel, the paddy field driving wheel and a compression roller are fixedly arranged on the paddy field driving wheel axle, the fertilizer box is respectively communicated with the shallow and deep fertilization double-disc furrow opening devices through shallow and deep fertilization pipes, a fertilizer discharge driving chain is sheathed on the driving double-chain wheel and a fertilizer discharge wheel arranged on a fertilizer discharge device shaft, a seed discharge driving chain is sheathed on the driving double-chain wheel and a seed discharge chain wheel arranged on a seed discharge device shaft, and a seed discharge and seed conveying pipe is arranged on the lower side part of the seed box. The wheel type rice wide-narrow-line direct seeding fertilization combined machine has the advantages that the design is novel and reasonable, the structure is simple, the traction resistance is small, the operation items are many, the operation quality is good, the fault is few, the efficiency is high, and the synchronous combined operation of the rice direct seeding and fertilization and the wide-narrow line fertilization operation depth regulation can be realized.

The invention discloses a transplanting mechanism of a single-shaft bevel gear drive-inclined wide and narrow row transplanter, which belongs to agricultural machinery. A seeding feeder body is fixedly integrated with a transmission case shell. A power input shaft fixedly provided with a first bevel gear is arranged in the seeding feeder body. A main drive shaft fixedly provided with a second bevel gear, a third bevel gear and a fourth bevel gear is arranged in the transmission case shell and the seeding feeder body. A right power output shaft fixedly provided with a sixth bevel gear and a left power output shaft fixedly provided with a fifth bevel gear are arranged in the transmission case shell vertically to the main drive shaft. The left and right power output shafts are symmetrically arranged in a way of upwards inclining relative to a horizontal plane. A left transplanting mechanism and a right transplanting mechanism are vertically connected and fitted with the left and right power output shafts respectively. The mechanism realizes the all-gear meshing drive of the transplanting mechanism, meets and is adapted to the agricultural requirements of wide and narrow row transplanting of rice, and has the characteristics of rational structure, high operation quality, small operation vibration, reliability in use and fewer failures.

The invention discloses a roller type weeding and soil loosening operation unit provided with retractable teeth, and belongs to agricultural machinery. A left end cover and a right end cover are fixedly mounted at the left end and the right end of a roller respectively, a supporting crank throw shaft is assembled in the center of the left end cover, the left side part of the supporting crank throw shaft is fixedly mounted on a positioning and supporting seat, a driving shaft is fixed in the center of the right end cover and inserted in a bearing block assembly, and a crankshaft is mounted in a central hole of the driving shaft; a retractable tooth shaft is fixedly mounted on the inner side wall surface, opposite to the crankshaft, of the crank throw shaft, located at the inner part of a cavity of the roller and sleeved with a plurality of retractable teeth, and rack parts of the plurality of retractable teeth penetrate through the side wall of the roller respectively. The roller type weeding and soil loosening operation unit solves the technical problem of winding by straw, stubble and weeds during weeding and soil loosening operation, is novel and reasonable in structure, good in operation quality, high in efficiency and wide in application range, and has few faults.

The invention discloses a wheel type cold milling machine pre-delivery detection device, comprising a running system dynamometer and a milling drum dynamometer; the running system dynamometer comprises a rack, a torque and seed sensor, a magnetic powder brake, a first roller, a second roller, a third roller and a fourth roller, wherein one end of a second central shaft on the second roller is connected with one end of a fourth central shaft on the fourth roller, one end of a first central shaft on the first roller is connected with one end of a third central shaft on the third roller, the other end of the third central shaft is connected with one end of a rotation shaft of the torque and speed sensor, and the other end of the rotation shaft of the torque and speed sensor is connected with an output shaft of the magnetic powder brake; the milling drum dynamometer comprises an electric eddy current dynamometer and a connection disc, wherein one end of the connection disc is connected with a rotation shaft of the electric eddy current dynamometer while the other end of the connection disc is connected with a rotation shaft of a milling drum. The detection device can rapidly obtain the speed parameter and torque parameter of the running system and the rotation speed and torque parameter of the milling drum, and can be applied to performing pre-delivery detection to the wheel type cold milling machine.

The invention discloses a soil shaking mechanism of a pulling machine for mixed beans. A shaking drive shaft is arranged on a rack assembly and is connected with a speed changing box through a chain wheel and a chain. The two end portions of the shake drive shaft are sleeved with eccentric connecting rods. Swing rods are respectively hinged to the left side portion and the right side portion of the back side of the rack assembly and are hinged to the eccentric connecting rods. The lower side portion of each swing rod is sleeved with an adjusting sleeve. A knife plate and a grid bar form a shake assembly which is fixedly arranged on the end portion of each adjusting sleeve. Tail beams are respectively inserted in the back end portion of the left side of the rack assembly and the back end portion of the right side of the rack assembly. Vertical beams are inserted in the tail beams. Ground wheels are arranged on bottom end portions of the vertical beams. The soil shaking mechanism is novel and reasonable in design, simple in structure, good in operation effect, few in failure and high in efficiency.

The invention discloses a quantitative feeding device for a corn stalk husk-stuff separator. The quantitative feeding device is characterized in that a frame (2) is sequentially provided with a feeding table (1), conveying mechanisms (4) in transmission connection with a power mechanism (8), a dividing plate (3) uniformly arranged and vertical to the conveying mechanisms (4), a slopping baffle (5) connected with the tail end of the dividing plates (3), a feeding guide plate (6), and an output roller assembly (7) in the transmission connection with the power mechanism (8) from front to back. The quantitative feeding device can be used for performing directional and quantitative feeding operation specially aiming at corn stalks, and has the characteristics of being simple in structure, high in working efficiency, low in power consumption, safe and reliable to use and the like.

A material liquor recoil stirring apparatus is disclosed, which pertains to anaerobic fermentation apparatus; S type tubular agitator is deposed in cavity formed by upper lid of fermentor and body of the same, connecting tube is fixed on outer portion of upper terminal of S type tubular agitator, and always disposed inside bearing assembly. Material inlet is arranged on upper lid of fermentor, which is communicated with tube of S type tubular agitator. Pores are opened on opposite walls of upper and lower section of S type tubular agitator. Central line of the pore opening is perpendicular to S type tubular agitator, and a angle of 90 degrees is formed; the apparatus rotates S type tubular agitator by utilizing recoil principle of liquid for stirring and mixing, which is simple in structure, small in energy consumption, reliable to use, good in operational quality, wide in application.

The invention provides a pressure sensor automatic regulation shaking board grain pull-over device, and belongs to agricultural product processing machinery. A seat plate of a device frame is providedwith a supporting seat A, a supporting seat B, a front support rod, a rear support rod, an electric control cabinet and a servo motor separately, the supporting seat A and the supporting seat B are rotationally provided with a power transmission shaft A with a crank belt pulley A and a power transmission shaft B with a crank belt pulley B, a transmission belt A and a transmission belt B connect adouble-linked belt pulley on the servo motor with the crank belt pulley A and the crank belt pulley B, the front support rod is hinged with a long-hole type slide way plate, the two ends of a shakingconnecting rod are hinged with the crank belt pulley A and the long-hole type slide way plate respectively, a shaking board assembly with a pressure sensor is hinged, supported and arranged on the long-hole type slide way plate and on the rear support rod, the lower portion of the rear end of the shaking board assembly is hinged with a grid bar type pull-over plate, and the two ends of a push-pull connecting rod are hinged with the crank belt pulley B and the grid bar type pull-over plate respectively. The device has the advantages of good cleaning operation quality, high operation efficiencyand automation degree and few operation faults.

The present invention provides a submarine cable positioning method and device, relating to the field of submarine cable operation. The invention aims to reduce submarine cable operation faults and improve construction efficiency. The method comprises a step of generating a corresponding relation between an acoustic transponder and a detector, a step of controlling a detection water entry point position through a time control signal, and a step of obtaining a detection seabed position through the acoustic positioning of the detector. According to the method, a lot of manpower and material costs is saved, the submarine cable operation faults are reduced, and the construction efficiency is improved.

Belonging to agricultural machinery, the invention provides a paper strip type pot seedling transplanting operation automatic seedling supply and cutting mechanism. Specifically, a cutterhead shaft, a camshaft and a screw rod are mounted on a frame in parallel, a sawtooth cutterhead and a driven wheel are fixedly mounted on the cutterhead shaft, two cams are fixedly disposed on the camshaft symmetrical to each other, a drive wheel is fixed on the camshaft, and two push rods respectively sleeved with a pressure spring are mounted on the frame and can move up and down. A paper strip type pot seedling track is fixedly mounted on the upper ends of the push rods, the lower ends are in close contact cooperation with the cams, a driving belt is sleeved on the driving wheel and the driven wheel, a nut is assembled on the screw rod, the screw rod is in fixed connection with the nut, a stepping motor and the motor are respectively connected to the screw rod and the camshaft. The mechanism provided by the invention has the advantages of novel, reasonable and simple structure, high operation efficiency and automation degree, low operation labor intensity, and reliable use, and especially can meet and adapt to large area transplantation operation of paper strip type pot seedlings.

The invention discloses a rotary drum type total mixed daily ration mixing machine and belongs to agricultural machinery. The rotary drum type total mixed daily ration mixing machine comprises a rotary drum, blades, paddles, a main rotary shaft, a rack, a power device and the like, wherein the rotary drum adopts a regular decagonal-prism structure; a material inlet and a material outlet are formed in the rotary drum and the blades are arranged on the inner side of the rotary drum; the rotary drum is fixedly connected with the main rotary shaft; the paddles are mounted on the main rotary shaft; the main rotary shaft is rotationally assembled in bearing seats which are symmetrically fixed on two sides of the upper part of the rack; a large chain wheel is mounted on one side of the main rotary shaft; the power device is mounted at the lower part of the rack; a small chain wheel is mounted on the output shaft of the power device. The rotary drum type total mixed daily ration mixing machine is simple in structure, wide in adaptability, high in operating efficiency, low in power consumption, reliable in use and less in operation faults.

The invention discloses a building material recycling and smashing device. The building material recycling and smashing device comprises a machine frame; the machine frame is provided with an extruding cavity, a transporting cavity and a smashing cavity; a transmission machine frame is mounted in the extruding cavity and comprises a limiting guide rail and a transmission guide rail; the limiting guide rail is mounted on a top plate of the extruding cavity; a fixed plate is mounted at the position of an oblique angle of the extruding cavity; the transmission guide rail is mounted on an erectionplate through a movable shaft; a transmission block is mounted in the limiting guide rail; a straight rod is mounted at the bottom end of the transmission block; an extruding plate is mounted at thebottom end of the straight rod; a transmission plate is mounted on a side wall of the extruding cavity; a first transmission rod is mounted on the transmission plate; and a clamping bolt is mounted atthe top end of the first transmission rod and in the transmission guide rail. According to the invention, the extruding plate is transmitted by a multi-stage connecting rod to extrude and smash material, and the effect of impacting the material powerfully can be achieved, so that the smashing efficiency of material can be ensured, and the situation of material jamming can be prevented.

The invention relates to an air dehumidifying, purifying, temperature-adjusting exhausting system for a hog house in a cold region and belongs to a livestock raising facility. The system comprises a condensing system composed of an outdoor air inlet pipe, an outdoor air filter and condensing inner and outer pipes, a gas-liquid separating system composed of the condensing inner and outer pipes, anindoor gas and liquefied water discharge pipe, a liquefied water collector, an outdoor air discharge main pipe, an outdoor air discharge branch pipe, an outdoor air liquefied water discharge pipe andan indoor gas discharge pipe, an air cleaning system composed of an indoor gas purifier and an outdoor air filter and an automatic control system composed of a temperature sensor, a humidity sensor, atemperature controller, a humidity controller, a frequency converter, a heater and an indoor gas leading fan. The system solves the problem that an exhaust port of the hog house in the cold region inwinter cannot work normally and the indoor condition is poor, and has the characteristics of being novel, scientific and reasonable in structure, good in indoor dehumidifying, purifying and temperature-adjusting exhausting effect, high in degree of automation and high in applicability.

The invention discloses a dry land pot seedling ejection dropping mechanism and belongs to an agricultural machine. A cross-shaped roller slideway is fixedly installed on a pot disk side wall support plate through a fixing bolt, a fixing frame and the cross-shaped roller slideway are welded into a whole, one end of a driving arm is fixedly connected with a small ejection shaft, the other end of the driving arm is installed on a rotating arm in a hinged mode, rollers which are installed on the rotating arm are installed on portions of two sides of a hinge joint point of the driving arm and the rotating arm respectively, rollers on portions of two sides of the hinge joint point are located in the cross-shaped roller slideway respectively, two ends of a connecting rod are hinged with the rotating arm and an ejection rod respectively, an intermittent roller is installed at a position of a hinge joint point of the connecting rod and the rotating arm, a guide sleeve is installed on the fixing frame, and a seedling dropping mechanism is installed on the lower portion of the outer end of the front side of the ejection rod. The mechanism is simple and compact in structure, low in manufacturing cost, good in operation quality, high in efficiency and few in operation fault.

The invention provides a furrow opener of a wheat sowing machine and a furrow opener assembly. The furrow opener is composed of a fixed frame (13), a shaft (1), a furrow opening sheet (2), a fixed frame upper eave (5), a seed conveying pipe (6), a fertilizer discharging pipe (7), an outer mud scraping plate (3), a front soil baffle plate connecting seat (14), a front soil baffle plate (4) and thelike. The furrow opener of the wheat sowing machine further comprises the furrow opening sheet (2), the fixed frame upper eave (5), the seed conveying pipe (6), the fertilizer discharging pipe (7), aspring plate (8), a spring secondary plate (9), a square pipe (11), a U-shaped clamp (12) and a bearing seat (16); a main beam fixed seat (10) is clamped onto the upper end of the spring plate (8) andthe spring secondary plate (9), tightly holds the square pipe (11), and is connected and fixed by the U-shaped clamp (12) which penetrates through a fixed seat connecting hole (10-1). The furrow opener of the wheat sowing machine and the furrow opener assembly, provided by the invention, have the characteristics of novel structure, low manufacturing cost, good working quality, high working efficiency, few working faults and wide applicable range.

The invention discloses a circulating cooling system for gearbox lubricating oil of a combined land preparation machine, belonging to agricultural machinery. A rack assembly is provided with a stubble ploughing main gearbox, a rotary tillage main gearbox, a stubble ploughing side gearbox and a rotary tillage side gearbox, wherein the stubble ploughing main gearbox and the rotary tillage main gearbox are respectively and fixedly provided with a first oil pump and a second oil pump, a first connecting oil pipe provided with a first filter is used for communicating the first oil pump with the stubble ploughing main gearbox, a lubricating oil heat-dissipation output pipe and a return pipe of the stubble ploughing gearboxes are used for communicating the first oil pump, the stubble ploughing side gearbox and the stubble main gearbox to form a lubricating oil circulating cooling system of the stubble ploughing gearboxes; and a second connecting oil pipe provided with a second filter is usedfor communicating the second oil pump with the rotary tillage main gearbox, and a lubricating oil heat-dissipation output pipe and a return pipe of the rotary tillage gearboxes are used for communicating the second oil pump, the rotary tillage side gearbox and the rotary tillage main gearbox to form a lubricating oil circulating cooling system of the rotary tillage gearboxes. The circulating cooling system disclosed by the invention is reasonable in design, has a good effect of cooling the lubricating oil, and has a long service life.

The embodiment of the invention provides a mechanical arm used for a narrow working space. The mechanical arm comprises a first articulated arm, a second articulated arm and a third articulated arm, the second articulated arm comprises a front end part and a rear end part, the rear end part is configured to rotationally drive the front end part, the rear end part is connected with the first articulated arm and pivots relative to the first articulated arm, the front end part is connected with the third articulated arm and pivots relative to the front end part, and the third articulated arm is configured to rotationally drive an actuator. The mechanical arm can be operated in a narrow space, and is large in movement range, flexible in joint movement, high in load capacity, stable in structure and balanced in gravity center; and operation faults can be reduced, narrow space operation efficiency is improved, and the problem of system stability is solved.

The invention discloses a steel roller and dial plate type round bundler and belongs to agricultural machines. The round bundler mainly comprises a pick-up mechanism, a roll box, a strapping mechanism, a hydraulic bundler fuel tank and a rotating mechanism, wherein the portion below the front side of the round bundler is provided with the pick-up mechanism, and the roll box is arranged above the rear portion of the pick-up mechanism. Additionally, the steel roller is placed inside the roll box in the circumferential direction, and meanwhile, a left dial plate is arranged at the center of the left side wall and above the rear portion of the roll box. Moreover, the strapping mechanism is disposed above the front side of the roll box and the hydraulic bundler fuel tank is installed above the roll box. The round bundler realizes the picking up and strapping of rice and wheat straw and has the advantages of simple structure, reliable work, high efficiency, great performance and low consumption of energy.

The invention provides a quantitative fertilizer application device of a solid-state fertilizer and belongs to agricultural machinery. A fertilizer conveying pipe bending device capable of moving up and down relative to an outer groove wheel type fertilizer discharging device is arranged at the side part below the outer groove wheel type fertilizer discharging device; the upper and lower end parts of a flexible fertilizer conveying pipe are respectively connected with the outer groove wheel type fertilizer discharging device and the fertilizer conveying pipe bending device; and a fertilizer conveying pipe forced bending limiting rod capable of being displaced and adjusted up and down is arranged at the side part of the flexible fertilizer conveying pipe. The device disclosed by the invention has the advantages of simple structure, low construction cost, high quantitative fertilizer application precision, fewer working faults, good reliability, long service life and wide applicable range, and quantitative fertilizer application adjusting operation is simple and convenient.

The pressure sensor automatically adjusts the shaker plate grain transfer device, which belongs to the agricultural product processing machinery; the support bases A, B, front and rear poles, electric control cabinets and servo motors are respectively installed on the seat plates of the device frame, and the support bases A and B are respectively installed. The power transmission shaft A with the crank pulley A and the power transmission shaft B with the crank pulley B are respectively rotatably installed, and the transmission belts A and B connect the double pulleys on the servo motor with the crank pulleys A and B respectively Connection, the long-hole slideway plate is hinged on the front support rod, the two ends of the shaking connecting rod are respectively hinged with the crank pulley A and the long-hole slideway plate, and the shaker plate assembly with the pressure sensor is hingedly supported Installed on the front long-hole slideway plate and the rear support rod, hinged on the lower part of the rear end of the shaking plate assembly, the grid-type dialing plate, the two ends of the push-pull connecting rod are respectively connected with the crank pulley B and the grid-type dialing Plate feeding hinge connection; this device has good cleaning quality, high operating efficiency and automation, and less operating failures.

The invention provides a quantitative fertilizer application device of a solid-state fertilizer and belongs to agricultural machinery. A fertilizer conveying pipe bending device capable of moving up and down relative to an outer groove wheel type fertilizer discharging device is arranged at the side part below the outer groove wheel type fertilizer discharging device; the upper and lower end parts of a flexible fertilizer conveying pipe are respectively connected with the outer groove wheel type fertilizer discharging device and the fertilizer conveying pipe bending device; and a fertilizer conveying pipe forced bending limiting rod capable of being displaced and adjusted up and down is arranged at the side part of the flexible fertilizer conveying pipe. The device disclosed by the invention has the advantages of simple structure, low construction cost, high quantitative fertilizer application precision, fewer working faults, good reliability, long service life and wide applicable range, and quantitative fertilizer application adjusting operation is simple and convenient.

The invention discloses a liquid fertilization mechanism, and belongs to agricultural machines. A box frame is rotatably arranged on a gear box; a sun gear shaft is rotatably inserted into the box frame, and is fixedly matched with the gear box; an idle gear shaft provided with an idle gear, and a planetary gear shaft provided with a planetary gear are arranged on the gear box; a rocker arm provided with a fertilizer spray needle is fixedly arranged on the planetary gear shaft; a circular groove A and transfusion channels A and B are formed on the sun gear shaft; long and short elbow joints are fixedly arranged at an end of the sun gear shaft; a circular groove B and a transfusion channel C are formed on the planetary gear shaft; a ferrule front terminal-through pipe joint is arranged on an outer part of the circular groove B; a ferrule rear terminal-through pipe joint is arranged at an end of the planetary gear shaft; and front and rear fertilizer transmission hoses communicate liquid fertilizer pipelines. The mechanism has a planetary gear system structure, realizes the continuous operation of needle liquid fertilizer application, effectively prevents the hoses in the operation from being wound, has a novel structure, high operation efficiency, high operation quality and a few faults, and stably runs.

The invention discloses a transplanting mechanism of a double-shaft bevel gear drive tilting wide-and-narrow row rice transplanter, which belongs to agricultural machinery. A mobile box body and a drive box shell are fixedly arranged integrally; a power input shaft for fixedly installing a first bevel gear is arranged in the mobile box body; a main drive shaft for fixedly installing a second bevel gear, a drive cylindrical gear and a third bevel gear are arranged in the mobile box body and a drive box shell; a counter drive shaft for fixedly installing a driven cylindrical gear and a fourth bevel gear, a right power output shaft for fixedly installing a sixth bevel gear and a left power output shaft for fixedly installing a fifth bevel gear are arranged in the drive box shell; the left power output shaft and the right power output shaft are symmetrically arranged obliquely upwards a horizontal plane; and a left transplanting mechanism and a right transplanting mechanism are respectively matched with the left power output shaft and the right power output shaft in a vertical way. The transplanting mechanism realizes all-gear drive of the transplanting mechanism, meets and adapts to the requirement on wide-and-narrow row rice transplanting of rice, and has the characteristics of reasonable structure, high operation quality, low operation vibration, reliable use and less faults.