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

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 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 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 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.