41results about How to "Guaranteed Harvest Quality" patented technology

The invention discloses a multi-parameter control system for threshing performance of a combined harvester, comprising a data collecting unit, a control executing unit and a displaying unit, wherein the data collecting unit is used for collecting each operation parameter of the combined harvester and processing the parameters and then transmitting to the control executing unit; the control executing unit is used for calculating the received operation parameters to obtain the optimal solutions of the controlled parameters, and controlling the output of the controlled quantity according to the optimal solutions; and the display unit is used for displaying the operation parameters of the combined harvester in real time during the operation. The control system disclosed by the invention uses the multi-parameter real-time control strategys to regulate various operation parameters of the combined harvester according to the variation of the field operation state of the combined harvester, thereby further ensuring the harvesting quality and ensuring the working efficiency of the combined harvester.

The invention relates to a self-propelled leaf vegetable harvester. The vegetable harvester comprises a frame provided with a chassis traveling mechanism, a power system, a belt-saw type cutting device, a conveying device and a driving operation console. The rear end of the conveying device is mounted on the frame in a hinged manner through a transverse pin roll and a vertical pin roll at the same time; the harvester further comprises a supporting device mounted below the front part of the conveying device; the supporting device is composed of a copying roll, an adjusting oil cylinder, a connecting plate and a fixed bracket; the copying roll is hinged at one end of the fixed bracket through the connecting plate, one end of the adjusting oil cylinder is hinged to the connecting plate, and the other end of the adjusting oil cylinder is hinged to the other end of the fixed bracket. The harvester provided by the invention can timely adjust the distance between the belt saw type cutting device and a bed surface according to the bed surface, and prevents the belt saw type cutting device from being directly contacted with soil, so that the service life of the cutter is ensured; meanwhile, soil intrusion is avoided, the harvesting quality is ensured, and reasonable and consistent harvesting height is ensured.

The invention relates to a rapeseed picking thresher, which belongs to the technical field of agricultural machinery. The thresher comprises a traction drive thresher, wherein the front part of the traction drive thresher is provided with a header feeding device; grain picking devices are hung on two sides of the front end of the header feeding device through a hitching device; each grain picking device is an independent unit type picking device which consists of a copying land wheel and a belt-type picking mechanism; the copying land wheel is positioned in front of the belt-type picking mechanism; the copying land wheel and the hitching device form front and back supports for the belt-type picking mechanism; the belt-type picking mechanism is formed by a toothed belt wound on a driving roll shaft and a driven roll shaft; and elastic conveying deflector teeth are alternately distributed on the toothed belt. The rapeseed picking thresher can complete picking and threshing rapeseeds in a mechanized mode, so as to change the prior manual reaping mode, lay a foundation for realizing the segmented reaping of rapeseeds, effectively guarantee the reaping quality of rapeseeds and improve operation efficiency.

The invention relates to an adaptive cleaning grain harvester, and belongs to the technical field of agricultural machinery. The adaptive cleaning grain harvester comprises travel chassis and a control circuit. The travel chassis is provided with a main header, a threshing and separating device, a grain cleaning device and a cereal collecting and unloading device, and the threshing and separatingdevice is connected with the main header by a feeding and conveying device. A front hinge bracket and a rear hinge bracket are fixedly connected with a grooved body of a vibrating sieve of the grain cleaning device; sieve plates are hinged to positions between the front hinge bracket and the rear hinge bracket, one of the front hinge bracket and the rear hinge bracket is hinged to one end of an electric control telescopic device, and the other end of the electric control telescopic device is hinged to a side of each sieve plate; a fan is provided with rotational speed regulation links; sensorsinclude left, right, front and rear inclination angle sensors, telescopic distance sensors and rotational speed sensors, and signal output ends of the various sensors are connected with the electriccontrol telescopic device and controlled ends of the rotational speed regulation links of the fans by the control circuit. The adaptive cleaning grain harvester has the advantages that even grains onparcels of rice fields with different slope gradients can be harvested by the adaptive cleaning grain harvester, and the grain harvesting operation efficiency and quality can be guaranteed.

The invention belongs to the technical field of agricultural machinery, and particularly relates to a radix ophiopogonis combined harvester. The radix ophiopogonis combined harvester comprises a machine frame (1), a crawler base plate (6), a transmission device (7), a harvesting device (8) and a collecting device. The harvester uses a line harvesting mode; the harvesting quality is ensured. Through a guide device (9), two lines of radix ophiopogonis are guided into a conveying clamp chain (21), so that the harvesting unpicking rate is reduced; the harvesting quality is improved. The harvesteruses a soil removing device (12) to remove soil attached onto tubers of radix ophiopogonis. Through the reciprocating movement and an extruding process of a soil removal plate (22), the soil is removed, so that the harvesting soil content is reduced. The harvester uses a circular disc cutter (15) cutting device, so that the tubers of the radix ophiopogonis in the harvesting process are separated from plants; the one-step harvesting of the radix ophiopogonis is realized; the labor cost is reduced.

The invention provides a loss-reduction and loss-prevention elastic control soil-pressing mechanism for a potato harvester. The loss-reduction and loss-prevention elastic control soil-pressing mechanism is characterized by comprising a frame, a floating device, a soil pressing device and a power device, wherein the frame comprises vertical columns, reinforcing rods, vertical plates, transverse rods, connecting rods and lugs I; the floating device comprises supporting arms, a cross rod III, adjusting screw rods, lugs II, spring seat plates and compression springs; one ends of two straight-rod-shaped supporting arms are fixedly arranged at two ends of the cross rod III respectively; two supporting arms are parallel to each other; the soil pressing device comprises mounting plates, a coupler,a soil pressing roller and shields; two mounting plates are fixedly arranged at the positions, close to the lugs II, of the supporting arms of the floating device; a hydraulic motor is mounted at theouter side of one mounting plate with the inner side equipped with five shields; and the power output shaft of the hydraulic motor penetrates through the extending ends of the mounting plates and isconnected with the other end, far away from the soil pressing roller, of the coupler. The loss-reduction and loss-prevention elastic control soil-pressing mechanism provided by the invention has the advantages of loss reduction, loss prevention, good elastic soil-pressing effect, accurate and reliable adjustment, guarantee of a potato exposure rate, and improvement of the harvesting quality.

The invention relates to a vibration flapping device for harvesting fruit without damage and belongs to the technical field of agricultural machinery. An output end of a horizontal axis driving device of the vibration flapping device is hinged with the upper end of a hanging ring through a vertical crank-link mechanism; the lower end of the hanging ring is connected with the upper end of a vertical guiding shaft; the guiding shaft is inserted into a guiding ring so as to form a vertical moving pair; the lower end of the guiding shaft is fixedly connected with a positioning plate with a flapping rod extending from the bottom; the guiding ring is fixed at an outer extending end of a bracket; an output end of a vertical axis driving device is hinged with one end of a swinging arm through a horizontal crank-link mechanism; the other end of the swinging arm and the guiding shaft form a peripheral constrained vertical moving pair. The horizontal axis driving device and the vertical axis driving device can be started in turn, so that the up and down vertical vibration and the peripheral torsion swinging vibration of the flapping rod can be realized in turn through the corresponding transmission mechanism, the vertical and peripheral compound vibration of the flapping rod can be realized, the high efficient harvesting of the fruit can be completed without damage to the fruit tree and the harvesting quality can be guaranteed.

The invention relates to an illuminating device with a dye-sensitized solar cell at the top of a harvester for supplying power, which belongs to the technical field of new energy agricultural machinery. Sunlight irradiates the dye-sensitized solar cell mounted at the top of the harvester to generate direct current, the direct current is inputted to a controller for adjustment through an electric lead, the direct current outputted from the controller is inputted to an inverter through an electric lead and is converted into alternating current in the inverter, the alternating current is inputted to a current divider through an electric lead and divided into three currents, one current is used for supplying power to a front illuminating lamp for illuminating crop plants harvested by the harvester at night, the second current is used for supplying power to side LED illuminating lamps for illuminating farm workers to unload grains below an unloading funnel and check threshing quality, and the third current is inputted to a power machine through an electric lead and supplies partial power to the power machine of the electric harvester. The current outputted from the controller can be inputted to an energy storage battery for storage and standby application.

The invention relates to agricultural machinery equipment and particularly relates to a sugarcane leaf separator of a cut-type sugarcane combined harvester. The sugarcane leaf separator comprises a lifting arm, wherein the lifting arm comprises a lifting arm side plate (1), a transmission chain (2), a driving wheel (3), a hydraulic motor (4), a driven wheel (31), a telescopic scraper (6), a vibration device, a hydraulic motor (9) of a wind turbine and a fan (20); the vibration device comprises a lower fixed plate (141), a middle fixed plate (142), an upper fixed plate (143), a floating material-loading screen (8), a spring (9) an a vibrator (15); the fan is arranged at the upper part of the lifting arm (1); and the hydraulic motor (9) of the wind turbine is connected with the fan (20). The sugarcane leaf separator of the cut-type sugarcane combined harvester is simple in manufacturing and firm in structure, and is beneficial to improvement of the dust removal efficiency and reduction of the impurity content when being applied to the harvester; the sugarcane harvesting quality is ensured; and the requirements of sugar factories are met.

The invention relates to a flexible clamping conveying impurity-removing device of a combined harvester of Allium fistulosum L.var. giganteum Makion and an application method of the flexible clampingconveying impurity-removing device. The flexible clamping conveying impurity-removing device comprises a left clamping rack and a right clamping rack which are arranged side by side, wherein flexibleclamping conveyor belts are separately installed on the left clamping rack and the right clamping rack, support feeding devices are fixedly connected to input ends of the left clamping rack and the right clamping rack, and a tensioning device is arranged at the inner side of the flexible clamping conveyor belt on the right clamping rack. The flexible clamping conveying impurity-removing device canadapt to harvest of Allium fistulosum L.var. giganteum Makion of different growth conditions through arrangement of the support feeding devices, so that it is ensured that Allium fistulosum L.var. giganteum Makion is smoothly sent between the two flexible clamping conveyor belts, and the versatility of the harvester of Allium fistulosum L.var. giganteum Makion is improved; through arrangement ofthe flexible clamping conveyor belts, flexible clamping and conveying of Allium fistulosum L.var. giganteum Makion can be ahcieved, damage to Allium fistulosum L.var. giganteum Makion is reduced, andthe harvest quality is ensured; and through arrangement of the tensioning device, the spacing of the two flexible clamping conveyor belts can be adjusted so as to adapt to change of the diameter of Allium fistulosum L.var. giganteum Makion stems, and the reliable and continuity of clamping transportation are ensured.

The invention discloses a propelled harvester with a seedling supporting function, comprising a harvesting disc, a seedling-supporting frame and a harvesting frame; an adjusting wheel is mounted belowthe harvesting disc; a support plate is arranged below rollers; a rotary rod is mounted on the right of the support plate; a seedling-supporting arm is fixed to the top of the rotary rod; a support rod is mounted outside the rotary rod; a long seedling-supporting rod is arranged below the seedling-supporting frame and is positioned below the support rod, a short seedling-supporting rod is mountedat the inner side of the long seedling-supporting rod, a rotary shaft is arranged in the middle of the long seedling-supporting rod, a pull rod is mounted below the rotary shaft, a connection rod isarranged below the support plate, a support rod is fixed in the center of the seedling-supporting frame, the harvesting frame is positioned below the connection rod, divider teeth are welded to the surface of the seedling-supporting rod, and adjusting blocks are arranged between the divider teeth. The propelled harvester with the seedling supporting function has high harvesting efficiency, can support crops for harvesting, and provide neat cuts.

The invention relates to a rolling-type pseudo-ginseng-soil separating device, belonging to the technical field of agricultural harvest mechanical equipment. The rolling-type pseudo-ginseng-soil separating device comprises a rack, a screen net, a power system and a rolling system, wherein the screen net is obliquely arranged on the rack; the rolling system is parallelly arranged above the screen net; power of the power system is transmitted to the rolling system; through rolling of the rolling system, soil falls behind the rack from the screen net; and pseudo-ginseng slides down from the screen net and falls before the rack. The rolling-type pseudo-ginseng-soil separating device is mechanized and automated; functions are complete; working efficiency is high; operation is simple and convenient; labor is greatly reduced; cost is reduced; through match of two rolling rolls of different roll diameters, the pseudo-ginseng and soil are separated, and meanwhile, the net yield of the pseudo-ginseng is improved; cleanness and environment protection are realized; and meanwhile, harvest quality is ensured.

The invention discloses a method and device for measuring the proportion of impurities contained in harvested grains of a combine harvester, and the method comprises the steps: enabling an industrialcamera, illumination equipment and damping equipment to be installed at a corresponding position, needing to measure the proportion of impurities contained in harvested grains, of the combine harvester, and adjusting the shooting interval and exposure time of the industrial camera; distinguishing grains in the acquired images from other impurities by utilizing a CPU (Central Processing Unit) through an image processing algorithm, and calculating the proportion of impurities contained in the harvested grains; and providing a display device, receiving specific gravity information of impurities contained in the grains through a parallel interface, and displaying the specific gravity information in real time. According to the method and device for measuring the specific gravity of the impurities contained in the grain harvested by the combine harvester, the grain and the impurities can be effectively distinguished, specific gravity information of the impurities contained in the grain is obtained, and the purpose of real-time and accurate monitoring can be achieved.

The invention relates to an online detection method and system for broken impurities of a grain combine harvester. The online detection method comprises the steps of obtaining a grain sample image in real time through a camera device, carrying out the real-time calculation and analysis of the grain sample image through a data processing module, and obtaining the real-time broken impurity rate of the grain combine harvester, so that online detection of the operation quality and the broken impurities of the grain combine harvester is achieved, the working efficiency of the harvester is improved, problems existing in the harvesting process can be found in time, the harvesting quality is improved, and the intelligent level of the grain combine harvester can be improved.

The invention provides a loss-reducing laying and gathering device of a double-shaking separation potato harvester. The loss-reducing laying and gathering device comprises a rack, a floating device, asoil pressing device, a double-shaking device and a driving device, and is characterized in that the rack comprises a longitudinal beam, a transverse beam, a stand column and a vertical plate; the floating device comprises a mounting plate, a rotary table, a floating disc and floating frames; two round holes are formed in two ends of the mounting plate in the shape of a rectangular flat plate along the length direction, wherein the sizes of the round holes are different, and axes of the round holes are perpendicular to a rectangular plate surface; two ends of a soil pressing roller which is cylindrical are supported at tail ends, which are away from a connecting plate, of L-shaped long arms of the two floating frames, and the two ends of the soil pressing roller are provided with pin shafts; a U-shaped soil scraping plate is mounted on the L-shaped long arms of the two floating frames through two U-shaped side edges; and a U-shaped opening of the soil scraping plate faces the forwarddirection of the potato harvester. The loss-reducing laying and gathering device of the double-shaking separation potato harvester has good loss-reducing and loss-preventing effects and is accurate and reliable to adjust. The loss-reducing laying and gathering device has the advantages of limiting protection, resistance reduction and obstacle avoidance, the potato exposing rate can be ensured, andthe harvesting quality is improved.

The invention discloses a three-wheel corn harvester with a straw separation function, which relates to the technical field of agricultural machinery and comprises a supporting box, wherein a walkingwheel is rotatably arranged at the bottom of the supporting box, a rotating shaft is rotatably arranged at the top of the supporting box, the lower end of a material guide plate is obliquely providedwith a separation plate extending into the support box, a plurality of strip-shaped blanking holes which are distributed at equal intervals are uniformly arranged on the separation plate, the bottom of the separation plate is elastically hinged with a hinged filter plate which is oppositely arranged and is positioned below the blanking holes, a plurality of grid plates which are arranged in parallel are fixed on the hinged filter plate at equal intervals, and a reset spring is fixedly connected with the bottom of the hinged filter plate and the bottom of the separation plate; according to theharvester, the corn cobs can be cut through the arranged blades, the corn cobs are toggled through the toggling plates, so that the corn cobs can smoothly enter the separating plates, the hinged filter plates arranged on the separating plates can filter broken straws adhered on the corn cobs, the mixing of the corn cob and the crushed straws is avoided, and the harvesting quality of the corn cob is ensured.

The invention provides a loss reduction laying and compacting device of a potato and onion harvester. The loss reduction laying and compacting device includes a machine frame, a floating device and asoil pressing walking device. The frame machine includes a stand column, a reinforcing rod, a vertical plate, a cross rod, a connecting rod and a lug. The loss reduction laying and compacting device is characterized in that the floating device includes a supporting arm, a floating arm, an adjusting screw sleeve, an adjusting lead screw and a compression spring, the two U-shaped sides of the supporting arm of a U-shaped structure extend toward a same direction perpendicular to a U-shaped plane, lugs III are arranged at the extended U-shaped sides of the supporting arm, and circular holes with equal diameter and coaxial axis are formed in the lugs III. The soil pressing walking device includes a soil pressing roller, right-angle frames, a soil scraping plate and a ground wheel. The soil pressing roller is supported in a round hole in the end, arm away from a lug V, of the floating arm through pins at the two ends, and the two right-angle frames with right-angle cross-sections are installed on the lower surface of the end, equipped with the soil pressing roller, of the floating arm through a right-angle side plate. The effects of reducing damage and preventing damage are good, the dead weight of the machine can be used to compact the ground surface, the covering rate of potatoes and onions is reduced, and the harvest quality is improved.

The invention relates to a self-propelled garlic combine harvester and a working method. The self-propelled garlic combine harvester comprises a vehicle body, a harvesting mechanism is installed at the front portion of the vehicle body, a transverse conveying mechanism is arranged at the tail end of the harvesting mechanism, the tail end of the transverse conveying mechanism is arranged at one side of the head end of a lifting mechanism, the tail end of the lifting mechanism is arranged over a stock bin, and the stock bin is rotationally connected with the vehicle body; and the stock bin is connected with a turnover driving part, the stock bin is rotatably connected with a bin door, the bin door is connected with a bin door driving part, the turnover driving part can drive the stock bin toturn over, and the bin door driving part can drive the bin door to open the stock bin and discharge materials in the stock bin. The harvester disclosed by the invention can complete combined operations such as garlic seedling cutting, digging, soil cleaning, garlic bulb conveying and collecting, the working efficiency is high, and the labor intensity is reduced.

The invention belongs to the technical field of agricultural machinery and relates to a multi-row brassica juncea combine harvester. The multi-row brassica juncea combine harvester comprises a frame and a power transmission mechanism, the frame is arranged on a tracked chassis and supports a leaf clamping, lifting and conveying mechanism, a root cutting mechanism and a leaf cutting mechanism, andthe root cutting mechanism and the leaf cutting mechanism are arranged at front and rear ends of the leaf clamping, lifting and conveying mechanism which comprises at least two pairs of inside clamping loop conveying belts. Each loop conveying belt comprises a wheel carrier extending along a conveying direction, supporting belt pulleys available for position adjusting and positioning are mounted at front and rear ends of each wheel carrier, one ends of wheel arms are supported and hinged at intervals to each wheel carrier along the length direction, and tensioning belt pulleys in tendency to aclamping direction are mounted at the other ends of the wheel arms. V-shaped belts surround the supporting belt pulleys and the tensioning belt pulleys, and the supporting belt pulleys at front endsof the wheel carriers and the V-shaped belts at the tensioning belt pulleys form correction slopes. The multi-row brassica juncea combine harvester has advantages that a series of problems including root cutting, conveying, leaf removing and the like in brassica juncea harvesting are well solved, accurate root cutting and lossless conveying can be realized, and accordingly mechanical harvesting quality is guaranteed.

The invention discloses a wind-driven seedling combing and rotating rod type leek harvester. The leek harvester comprises a frame, a harvesting platform, a walking small wheel, blowers, a front pulley, a rear pulley, a conveying belt and a walking large wheel, and is characterized in that the frame is supported by the walking large wheel; the harvesting platform is arranged at the front end of theframe and comprises a platform frame, wind-driven seedling combing mechanisms and a rotary cutter, wherein the two wind-driven seedling combing mechanisms are symmetrically arranged at two sides of the platform frame, and the rotary cutter is arranged at the middle part of one side of the platform frame; the walking small wheel is arranged at the front end of the harvesting platform; and two blowers are symmetrically arranged at the front part of the frame next to the harvesting platform. The leek harvester can improve the quality of the harvested leeks and reduce the root abrasion of the leeks, has the advantages of simple structure, good harvesting effect and good market popularization value.

The invention relates to a harvesting platform of a peanut combine harvester and belongs to the technical field of agricultural machinery. An upper beam and a lower beam of a rectangular outer framework of the harvesting platform can respectively lock and sleeve the upper end and the lower end of a vertical support frame to form a movable vertical support frame structure; a first clamping and conveying device is mounted on one side of a harvesting platform frame; a left middle conveying chain is mounted on the outer side of the rear end of the first clamping and conveying device; a rear middle section of the left middle conveying chain and a longitudinal section of an L-shaped conveying chain form a third clamping and conveying device; a second clamping and conveying device is mounted on the other side of the harvesting platform frame; an output section of an inner secondary conveying chain and a transverse section of the L-shaped conveying chain form a transverse clamping and conveying device; an outer secondary conveying chain of the second clamping and conveying device and a middle part of the inner secondary conveying chain form a coaxial lockable hinge support structure together with a fixed rotating shaft and a movable rotating shaft with two sides fixed on the harvesting platform outer framework and the vertical support frame via a rotating bearing sleeve respectively. Through the harvesting platform of the peanut combine harvester, the adaptability problems of uneven ridge surface height and non-uniform ridge spacing of peanut cultivation can be properly solved.

The invention relates to an electric intelligent green leaf vegetable harvester, which belongs to the technical field of agricultural harvesting machinery. The upper and lower belt rollers supported by the locomotive frame surround the conveyor belt. The front end of the lower belt roller is equipped with a forward cutting mechanism. The camera fixed on the frame is located above the lower section of the conveyor belt. The robot arm assembly at the upper rear; the transverse guide rail of the robot arm assembly spans the conveyor belt and forms a moving pair with the turning frame driven by a transverse motor to move laterally. Dustpan-shaped recovery bucket, the output belt across the conveyor belt is installed on the rear side of the horizontal guide rail; the signal output end of the camera is respectively connected to the controlled end of the lifting motor, horizontal motor, and flipping motor through the control circuit containing the intelligent unit. The invention can dump the withered yellow miscellaneous leaves on the output belt for output, thereby realizing the automatic removal of the withered yellow miscellaneous leaves, improving the operation efficiency and ensuring the harvest quality.

The invention discloses an agricultural yam automatic extractor which comprises a machine body; rotating drive wheels are arranged at the bottom of the machine body; a machine body groove is formed inone end of the machine body and is internally provided with a jacking slider which slides up and down; the jacking slider is provided with two extraction barrels in a semi-circle shape, and an extraction barrel cavity is formed after the two extraction barrels are closed; the jacking slider is provided with a first control module; the first control module controls opening and closing of the two extraction barrels; and a machine body bottom hole corresponding to the extraction barrel cavity is formed in the bottom of the machine body, and the extraction barrel cavity can be further pressed into the ground through up-and-down sliding of the extraction barrel, so that yams wrapped by soils are pressed into the extraction barrel cavity, harvesting of the yams is achieved, and the trouble caused by manual harvesting of the yams is further avoided.

The invention relates to the field of farm machinery, in particular to a portable taraxacum kok-saghyz rodin seed harvester. The harvester comprises a machine body, wherein a handle is mounted at the top of the machine body; a fan and a filter screen are mounted in the machine body; the fan is connected with a control switch; the fan is fixed in the machine body through a rubber mat and a hasp I; the fan is connected with the filter screen through a hasp III; a material storage box is connected with a main machine body through a hasp II; a dust suction pipe is mounted on the side wall of the material storage box; a dust suction head is mounted at the tail end of the dust suction pipe; the dust suction pipe is connected with the material storage box through a rotating sleeve; universal wheels are arranged at the bottom of the material storage box. According to the portable taraxacum kok-saghyz rodin seed harvester, provided by the invention, the harvesting efficiency and quality of taraxacum kok-saghyz rodin seeds is effectively improved, and both the manpower and the material resources are saved.

The invention discloses a simple peanut pod-fruit separation machine and a working principle thereof. The simple peanut pod-fruit separation machine comprises a separation frame, a first-stage screen,a second-stage hand screen, an optionally-mounted hand fan, a flashing-preventive retaining plate, a retaining plate, a collection frame and a rack. Peanut pod and fruit are separated through the separation frame, and the machine can be used in a field and also in a sun-curing site, is safe to use and can be used anytime anyplace. By removing impurities like clay, leaves and fruitlets through theinclined screens, the hand fan and the hand screen, impurities during separation of the peanut pod and fruit can be removed effectively, so that peanut harvesting quality is ensured. The machine is simple in structure, reliable in running, safe in use, convenient to maintain and conducive to commercialization.

The invention belongs to the technical field of agricultural machinery and relates to a profiling header of a crop harvester. It includes a header frame and a fixed frame, the middle part of the lower beam of the fixed frame is provided with a rotating shaft, and the middle part of the lower beam of the header frame is provided with a shaft hole, and the shaft hole is connected with the rotating shaft; the two ends of the lower beam of the fixed frame The two ends of the lower crossbeam of the header frame are respectively connected correspondingly through the hinged arms that can be turned upwards, and the middle part of the upper beam of the fixed frame is connected with the upper beam of the header frame through a hinged rod that can rotate left and right. When the crop harvester of the present invention is harvesting, the header frame can rotate left and right relative to the machine body on which the fixed frame is installed, and its inclination can be automatically adjusted according to the ground conditions, so as to ensure that the header frame keeps in close contact with the ground at all times to prevent missed cutting. occurrence, to ensure the maximum harvest quality.

The invention relates to an automatic green Chinese onion collecting and laying mechanism of a green Chinese onion harvester, which comprises a support frame, a conveying belt assembly, a hydraulic oil cylinder, a baffle plate, a tray shaft assembly, a tray assembly, two driven rocker arms and a comb tooth frame. Under the driving of the double-rocker mechanism, the collecting and laying operations can be seamlessly connected, so that the next bundling or boxing work is facilitated, and the problems of high labor intensity, low efficiency and discontinuous operation of manual stacking and sorting of the green Chinese onions, disordered stacking and damage of the green Chinese onions in the mechanical harvesting process of the green Chinese onions and the like are effectively solved; the green Chinese onion harvesting efficiency is improved, the green Chinese onion harvesting quality is guaranteed, and the green Chinese onion harvesting continuity is improved.