CN111615918A - Corn header device, corn kernel harvesting system and corn kernel harvester - Google Patents

Abstract

The invention discloses a corn header device, a corn kernel harvesting system and a corn kernel harvester, which comprise a frame, a harvesting system arranged on the frame, a threshing system arranged on the frame, a conveying system arranged on the frame, an operating system arranged on the frame and a high-clearance walking device arranged at the bottom of the frame, wherein the threshing system is arranged on the frame; the harvesting system comprises a header device, a corn conveying device is arranged between the header device and the threshing system, and a nearside divider is arranged on the header device. The invention has the beneficial effects that: the corn ear threshing machine has the advantages that the corn ears can be taken off from the corn stalks in the advancing process of the machine tool, the corn ears are sent to the threshing system in the rack for threshing, the mechanical on-line harvesting target is realized, the threshing system is utilized for realizing on-line threshing to separate corn kernels, the corn ear threshing machine is favorable for improving the corn harvesting efficiency, and the labor intensity of workers is reduced.

Description

Corn header device, corn kernel harvesting system and corn kernel harvester

Technical Field

The invention relates to the technical field of corn kernel harvesters, in particular to a corn header device, a corn kernel harvesting system and a corn kernel harvester.

Background

At present, small and medium harvesters are used for harvesting corns in corn-soybean strip planting, but the harvesters have low operation efficiency and low automation degree and cannot meet the requirement of large-scale planting. And because the harvesting of the corn-soybean intercropping crops has time difference and harvesting height in agriculture due to the difference of the crops, most of the existing corn harvesters have a low-ground-clearance harvesting structure, so that the damage and injury to the soybean crops can be caused when the corn harvester is used singly, and no report specially aiming at the corn-soybean intercropping corn harvesters exists at home and abroad at present. In order to reduce soybean damage during harvesting and fill the blank of the field, an intelligent high-ground-clearance line-crossing corn harvester mainly aiming at efficiently harvesting corn grains in a corn-soybean strip composite planting mode is designed, so that the development of the corn-soybean planting industry is promoted.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a corn header device, a corn kernel harvesting system and a corn kernel harvester, which are used for realizing the operation of machines in the field, improving the efficiency of harvesting crops, reducing the operation cost and lightening the labor intensity.

The invention is realized by the following technical scheme: the utility model provides a corn header device, includes header delivery board, sets up header pivot on the header delivery board, sets up in the header pivot and the helical blade of symmetric distribution at header pivot both ends, the both ends of header delivery board are provided with the header crossbearer, are provided with the ear of grain support of plucking that the even number interval set up on the header crossbearer, the upper surface of plucking the ear of grain support be provided with the single chain and dial ear of grain device, pluck ear of grain support below and rotate and be provided with the ear of grain roller of plucking, two adjacent ear of grain supports of plucking rotate opposite direction.

Furthermore, in order to better realize the invention, a crushing system positioned below the snapping roll is arranged on the header cross frame, and the crushing system comprises a crushing device plate arranged on the header cross frame, a crushing rotating shaft rotationally arranged on the crushing device plate, a plurality of crushing knives arranged on the crushing rotating shaft, and a crushing device driving motor arranged on the crushing device plate and in transmission connection with the crushing rotating shaft; the crushing device plate is rotatably arranged on the header cross frame, and the crushing device plate is provided with a crushing hydraulic adjusting device for adjusting the height of the crushing device plate

Furthermore, in order to better realize the invention, a plurality of header shifting plates aligned with the header conveying ports are arranged on the header rotating shaft; the corn harvester is characterized in that a snapping roll driving system for driving the snapping roll to rotate is arranged on the header transverse frame, a corn divider is arranged on the snapping support, and a header conveying opening communicated with the corn conveying device is formed in the header conveying plate.

The utility model provides a corn kernel reaps system, includes header device, frame and the system of threshing of setting in the frame, header device and threshing system between be provided with corn transmission device, corn transmission device is including setting up the transport chamber between reaping system and frame and setting up the conveyer belt in the transport chamber.

Furthermore, in order to better realize the invention, the threshing system comprises a peeling chamber arranged between the conveying chamber and the frame, a peeling device arranged in the peeling chamber, and a threshing device arranged in the frame and communicated with the peeling device.

Furthermore, in order to better realize the invention, the threshing device comprises a rotatable threshing cylinder, an arc-shaped sieve plate arranged below the threshing cylinder and a plurality of threshing lugs arranged on the threshing cylinder.

Further, in order to better realize the invention, one end of the threshing cylinder close to the peeling device is provided with a conical feeding end, and the conical feeding end is provided with a helical blade taking the axis of the conical feeding end as the axis.

Furthermore, in order to better realize the invention, the frame is provided with a threshing gap adjusting device for adjusting the distance between the arc-shaped sieve plate and the threshing cylinder, and the arc-shaped sieve plate comprises a grid type concave plate and a hole type concave plate.

Furthermore, in order to better realize the invention, the threshing convex blocks comprise inclined plane plastic tooth flexible convex blocks close to the peeling device and three-tooth rigid convex blocks far away from the peeling device, a plurality of inclined plane plastic tooth flexible convex blocks and a plurality of three-tooth rigid convex blocks are arranged in a row and distributed on the threshing roller in a spiral line, grid type concave plates are correspondingly arranged below the inclined plane plastic tooth flexible convex blocks, and hole type concave plates are correspondingly arranged below the three-tooth rigid convex blocks; the frame is provided with a trash discharging wheel and a trash discharging hole which are positioned at one end of the threshing cylinder far away from the peeling chamber.

Furthermore, in order to better realize the invention, a grain sieving system is arranged below the threshing system, the grain sieving system comprises a shaking plate arranged below the threshing system, an upper sieve is arranged below the shaking plate, a lower sieve is arranged below the upper sieve, a sliding plate which inclines downwards is arranged below the lower sieve, a corn grain conveying device is arranged at the bottommost end of the sliding plate, and a grain bin communicated with the corn grain conveying device is arranged in the machine frame; the machine frame is provided with a grain unloading pipe communicated with the granary.

Furthermore, in order to better realize the corn grain processing device, a fan is arranged below the shaking plate, a trash conveying device communicated with the outside of the rack is arranged below the sliding plate, and the corn grain conveying device is positioned between the fan and the trash conveying device.

A corn kernel harvester is characterized in that: comprises a corn kernel harvesting system, an operating system arranged on a frame and a high-clearance walking device arranged at the bottom of the frame.

Furthermore, in order to better realize the invention, the high-clearance traveling device comprises two frames arranged below the frame, two ends of each frame are hinged with a limiting support and an adjusting support, the free end of each adjusting support is hinged with an upper frame, the limiting supports are hinged with the upper frames, the two hinged points on the limiting supports are equidistant to the two hinged points on the adjusting supports, the connecting lines of the two hinged points and the two hinged points are parallel, a lower frame is arranged in the upper frames in a sliding mode along the vertical direction, and the free ends of the lower frames are rotatably provided with traveling wheels.

Furthermore, in order to better realize the invention, the free end of the lower frame is provided with a steering device, the walking wheels are arranged on the steering device, the steering device comprises a steering power cylinder arranged at the free end of the lower frame, and the steering power cylinder is provided with a plurality of steering knuckle arms in transmission connection with the walking wheels.

Further, in order to better realize the invention, the frame is provided with a steering device.

The beneficial effect that this scheme obtained is:

1. the invention provides a design scheme for a high-clearance corn kernel harvester, wherein a header structure adopts a concave structure, and a chassis adopts an eight-shaped structure, so that the damage to other crops can be effectively avoided when corn crops are intercropped between harvests.

2. The invention provides a design scheme for a high-clearance corn kernel harvester, which structurally combines a header device and a crushing device, can effectively crush harvested straws and is convenient for degradation of the straws in the field.

3. The invention provides a design scheme for a high-ground-clearance corn kernel harvester, wherein a ground distance detection device obtains a stubble cutting height by detecting distance data between a crushing cutter and the ground, so that the ground distance detection device can effectively cooperate with a manipulator to control the ground clearance of the crushing cutter, is beneficial to avoiding the crushing cutter from touching the ground and reducing the abrasion of the cutter.

4. The invention provides a design scheme for a high-clearance corn kernel harvester, which adopts a monitoring device to facilitate the detection of a manipulator on the harvesting state of a header, such as: the bract rate, the ear picking speed and the like of the crops can be effectively and effectively adjusted and controlled through the fed back detection result, and the application of the header in intelligent agriculture can be further expanded.

5. The invention provides a design scheme for a high-clearance corn kernel harvester, which is characterized in that a four-wheel hydraulic drive high-clearance walking device is formed by applying a hydraulic control technology, so that the turning radius is effectively reduced, the functions of hydraulically lifting a chassis, automatically leveling and the like are realized, and the field operation is facilitated.

Drawings

FIG. 1 is a front view of the present solution;

FIG. 2 is a top view of the present solution;

FIG. 3 is a side view of the present solution;

fig. 4 is a schematic diagram of a power structure of the header apparatus;

FIG. 5 is a schematic view of the crushing apparatus;

FIG. 6 is a schematic structural view of a high-clearance walking device;

FIG. 7 is a schematic view of the location of the GPS weighing apparatus;

FIG. 8 is a schematic view of the structure of a threshing cylinder;

FIG. 9 is a schematic view of the threshing gap adjusting device;

FIG. 10 is a schematic diagram of a hydraulic system;

FIG. 11 is a schematic view of the detection device;

FIG. 12 is a schematic view of a parameter setting interface;

FIG. 13 is a schematic view showing the construction of a steering device;

FIG. 14 is a bottom view of the single chain ear plucking device;

1-a divider, 2-a header device, 21-a single chain ear plucking device, 211-an inclined plane flexible ear plucking plate, 212-a forced feeding chain, 213-a unilateral conveying chain, 214-a forced feeding chain, 22-an antisymmetric header auger, 23-a header plucking plate, 24-a header output port, 25-an infrared detection device, 26-a cross frame, 261-a pulley groove, 27-an ear plucking roller, 271-an ear plucking driving motor, 272-an ear plucking driving motor pulley, 273-a bevel gear I, 274-a bevel gear II, 275-an ear plucking roller transmission shaft, 276-a rotating speed detection device, 3-a smashing device, 31-a smashing device driving motor, 32-a ground distance detection device, 33-a smashing hydraulic adjusting device, 34-a smashing device plate, 35-a smashing knife 4-a conveying device, 5-threshing roller, 501-inclined plastic-tooth flexible roller, 502-three-tooth rigid roller, 503-conical feeding end, 6-shaking plate, 7-concave plate 71-threshing gap adjusting device, 711-threshing adjusting lifting rod, 712-threshing adjusting hydraulic cylinder, 713-threshing adjusting fixing plate, 714-threshing monitoring device, 701-grid concave plate, 702-hole concave plate 8-fan, 9-traveling ladder, 10-kernel conveying device, 11-impurity conveying device, 12-lower sieve, 13-sliding plate, 14-high-gap traveling device, 141-traveling wheel, 142-lower frame, 143-steering knuckle arm, 144-steering power cylinder, 145-first filter, 146-rear wheel steering power cylinder, 147-first control valve, 148-front wheel steering power cylinder, 149-steering gear, 150-full hydraulic steering gear, 151-first one-way valve, 152-second control valve, 153-second one-way valve, 154-accumulator, 155-third one-way valve, 156-fourth control valve, 157-overflow valve, 158-oil pump, 160-second oil circuit, 161-first oil circuit, 162-oil tank 163-hydraulic controller, 164-liquid control tube, 165-hydraulic lifting controller, 167-limit bracket, 168-adjusting bracket, 1431-upper frame, 1432-frame, 1631-oil cavity, 15-release sliding plate, 16-upper screen, 17-impurity removing wheel, 18-tail screen, 19-engine, 20-grain bin, 200-GPS weighing device, 201-grain unloading tube, 202-operation room, 203-peeling device, 204-trash outlet, 102-parameter setting device, 1021-setting key, 1022-parameter confirmation key, 103-display, 1031-GPS weighing chart.

Detailed Description

The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.

Example 1:

as shown in fig. 1, in this embodiment, a corn kernel harvester includes a frame, a harvesting system disposed on the frame, a threshing system disposed on the frame, a conveying system disposed on the frame, an operating system disposed on the frame, and a high-clearance traveling device 14 disposed at the bottom of the frame;

the harvesting system comprises a header device 2, a corn conveying device 4 is arranged between the header device 2 and the threshing system, and a nearside divider 1 is arranged on the header device 2.

The corn ear can be taken off from the corn stalk in the process that the machine tool advances by the header device 2, and the corn ear is sent to a threshing system in the rack for threshing, so that the aim of mechanical online harvesting is achieved, and the threshing system is used for realizing online threshing to separate corn kernels, thereby being beneficial to improving the corn harvesting efficiency and reducing the labor intensity of workers.

An operation chamber 202 is arranged on the frame, a central processing unit 101 is arranged in the operation chamber 202, and the central processing unit 101 is connected with a parameter setting interface for operation.

The frame is provided with a walking ladder 9 for operators to get on and off the frame.

Example 2:

as shown in fig. 1 and 2, in the present embodiment, based on the above embodiments, the header device 2 includes a header conveyer plate, a header rotating shaft disposed on the header conveyer plate, and spiral blades 22 disposed on the header rotating shaft and symmetrically distributed at two ends of the header rotating shaft, and header crossbearers 26 are disposed at two ends of the header conveyer plate.

As shown in fig. 5, an even number of ear picking supports 214 arranged at intervals are arranged on the header transverse frame 26, the ear picking supports 214 are parallel to the traveling direction of the frame, a single-chain ear picking device 21 is arranged on the upper surface of each ear picking support 214, an ear picking roller 27 is arranged below each ear picking support 214, the rotation directions of the ear picking rollers 27 corresponding to two adjacent ear picking supports 214 are opposite, a ear picking roller driving system for driving the ear picking rollers 27 to rotate is arranged on the header transverse frame 26, the crop divider 1 is arranged on the ear picking supports 214, header conveying ports 24 communicated with the corn conveying devices 4 are arranged on the header conveying plates, and a plurality of header poking plates 23 aligned with the header conveying ports 24 are arranged on the header rotating shafts.

When the machine tool walks in the field, the hole between two adjacent snapping rollers 27 is aligned with the corn stalk, the machine tool drives the snapping rollers 27 to move forwards and press the corn stalk down, after the snapping rollers 27 are contacted with the corn on the corn stalk, the corn is separated from the corn stalk under the action of the resistance of the snapping rollers 27, the corn which is picked is driven to the header conveying plate by the single-chain snapping device 21, the header rotating shaft is driven to rotate, the spiral blades 22 on the header rotating shaft drive the corn on the header conveying plate to move to the middle of the header conveying plate to the position of the header conveying opening 24 through rotation, and the header poking plate 23 rotates along with the header rotating shaft to push the corn out from the header conveying opening 24.

Because the snapping roll 27 is of a rotary body type, when the snapping roll 27 is in contact with the corn, the corn can be prevented from being damaged, and the corn is prevented from being lost in the snapping process.

As shown in fig. 14, the single-chain ear plucking device 21 includes two rigid brackets 214 disposed outside and connected to the header cross frame 26, two inclined flexible ear plucking plates 211 disposed between the two rigid brackets 214, a forced feeding chain 212 disposed on the rigid brackets 214, and a single-side conveying chain 213 disposed on the rigid brackets 214, wherein the forced feeding chain 212 rotates inward, and the forced feeding chain 212 is provided with a plurality of feeding teeth for waving corn.

The beveled flexible ear plucking plates 211 are flexibly connected with the header cross frame 26 such that the beveled flexible ear plucking plates 211 can be adjusted in position relative to the header cross frame 26.

The utility model discloses a corn harvester, including rigid support 214, forced feeding chain 212, unilateral conveying chain 213, the opening size that can increase single-chain ear plucking device 21 through making the outside bending of the tip of rigid support 214, thereby increase the coverage that effectively reaps the corn, utilize forced feeding chain 212 to drive near the opening cornstalk inward movement, the corn breaks away from the cornstalk under the blockking of flexible ear plucking plate 211 on inclined plane, be taken toward header conveying plate department under the effect of unilateral conveying chain 213, thereby improve the efficiency of reaping the corn, avoid leaking and collect.

The flexible ear picking plates 211 on the inclined plane incline downwards towards the outer side, and when the flexible ear picking plates 211 on the inclined plane contact the corn, the position of the flexible ear picking plates can be adjusted in a self-adaptive mode, so that the corn is prevented from being damaged by large extrusion force, the flexible ear picking plates 211 on the inclined plane are inclined, the distance between the lowest point of the flexible ear picking plates 211 on the inclined plane and the rigid support 214 can be controlled, the corn stalks can be allowed to pass through, and the corn is remained on the flexible ear picking plates 211 on the inclined plane and cannot fall off.

As shown in fig. 4, in this embodiment, the header cross frame 26 is provided with two snapping driving motors 271 with output shafts arranged oppositely, the output shaft of the snapping driving motor 271 is connected with a driving bevel gear 273 in a transmission manner, the driving bevel gear 273 is engaged with a driven bevel gear 274 in a transmission manner, and the driven bevel gear 274 is in transmission connection with the snapping roll 27 through a snapping roll transmission shaft 275.

The header crossbearer 26 on be provided with pulley groove 261, the ear of grain drive motor 271 on be provided with the cooperation of pulley groove 261 and use pluck ear drive motor pulley 272, through the slip of plucking ear drive motor pulley 272 and pulley groove 261, can adjust the position, the interval of plucking the ear of grain roller 27 to adapt to concrete operational environment.

In this embodiment, the snapping roll 27 is designed to be conical, and the small end of the snapping roll 27 faces outwards, so that the distance between the snapping roll 27 and the opening between the snapping roll 27 can be increased, and therefore corns on the corn stalks in different directions can conveniently enter the snapping roll 27 and the snapping roll 27, and the corn is prevented from being missed to be picked. The snapping roll 27 can be provided with anti-slip patterns, so that the friction between the snapping roll 27 and the corn is increased, the corn is made to fall off conveniently, and the phenomenon that the corn cannot be picked off due to the fact that the snapping roll 27 and the corn slip is caused is avoided.

Example 3:

as shown in fig. 5, on the basis of the above embodiment, in the present embodiment, the header cross frame 26 is provided with a crushing system located below the snapping roll 27, the crushing system includes a crushing device plate 34 arranged on the header cross frame 26, a crushing rotating shaft rotatably arranged on the crushing device plate 34, a plurality of crushing knives 35 arranged on the crushing rotating shaft, and a crushing device driving motor 31 arranged on the crushing device plate 34 and in transmission connection with the crushing rotating shaft; the crushing device plate 34 is rotatably arranged on the header cross frame 26, and the crushing device plate 34 is provided with a crushing hydraulic adjusting device 34 for adjusting the height of the crushing device plate 34.

In the process of advancing the machine, the corn stalks are continuously pressed below the header cross frame 26, and the corn stalks which are picked off the corns can be crushed by using the crushing system. Drive through reducing mechanism driving motor 31 and smash the pivot and rotate, smash the pivot and drive and smash epaxial crushing sword 35 and cut up the maize stalk to this function of smashing the maize stalk is realized, and the later stage of being convenient for is piled to bury in order to do fertilizer to the maize stalk.

By rotatably mounting the shredder plate 34 on the header cross frame 26, the angle of the shredder plate 34 can be adjusted by the hydraulic shredder adjustment device 34 to adjust the height of the shredder blade 35 relative to the ground and prevent the shredder blade from cutting into the ground too deeply.

In this embodiment, the front end of the crushing knife is rotated downward to prevent the crushing knife 35 from bringing the cut cornstalks to the single-chain ear poking device 21 and prevent the cut cornstalks from entering the inside of the frame.

Example 4:

as shown in fig. 1 and 2, on the basis of the above embodiment, in the present embodiment, the conveying system 4 includes a conveying chamber disposed between the harvesting system and the frame, and a conveying belt disposed in the conveying chamber.

The corn at the header delivery port 24 is conveyed towards the inside of the frame by a conveyer belt. The conveyer belt shown in this embodiment adopts prior art can realize above-mentioned effect, and its concrete structure and theory of operation do not regard as the improvement point of this scheme, do not limit and give unnecessary details to the concrete structure of conveying system 4 here.

As shown in fig. 1 and 8, on the basis of the above embodiment, in this embodiment, the threshing system includes a peeling chamber disposed between the conveying chamber and the frame, a peeling device 203 disposed in the peeling chamber, and a threshing device 5 disposed in the frame and communicated with the peeling device 203, wherein the threshing device includes a rotatable threshing cylinder, an arc-shaped sieve plate 7 disposed below the threshing cylinder, and a plurality of threshing lugs disposed on the threshing cylinder, a tapered feeding end 503 is disposed at one end of the threshing cylinder close to the peeling device 203, and a helical blade is disposed on the tapered feeding end 503.

The husking device 203 husks the husks of the unpeeled corn ears and conveys the husked corn ears to the threshing device 5.

In this embodiment, the peeling device 203 adopts the prior art, and the bracts that are not peeled cleanly are further removed from the corn ears by the peeling device 203, so that the bracts are prevented from being crushed to affect the quality of the corn kernels, the specific structure and the working principle of the peeling device 203 are not taken as the improvement point of the scheme, and the skilled person can realize the above effect by selecting a proper peeling device according to the content recorded in the scheme, and the specific structure and the working principle of the peeling device 203 are not limited and described herein.

The toper of threshing cylinder is fed end 503 and is grabbed the corn ear, utilizes frictional force to drive the corn ear rearward movement, makes the corn ear get into and breaks away from between cylinder and the arc sieve board, and the corn ear receives the extrusion and makes the kernel of corn drop under threshing convex block extruded effect between cylinder and the arc sieve board, and the kernel of corn after threshing has passed arc sieve 7 and has dropped downwards. The detached corn cob continues to move backwards.

As shown in fig. 8 and 9, the frame is provided with a threshing gap adjusting device 71 for adjusting the distance between the arc-shaped sieve plate and the threshing cylinder, and the arc-shaped sieve plate 7 comprises a grid-type concave plate 701 and a hole-type concave plate 702.

The grid type concave plate 701 and the hole type concave plate 702 are used for facilitating corn kernels with different particle sizes to fall downwards. The threshing gap adjusting device 71 can be used for adjusting the distance between the arc-shaped sieve plate and the threshing cylinder so as to be convenient for adapting to corns with different sizes and ensure that corn kernels can fall off fully.

As shown in fig. 9, the threshing gap adjusting device 71 includes a threshing adjustment fixing plate 713 mounted on the frame, a threshing adjustment hydraulic cylinder 712 disposed on the threshing adjustment fixing plate 713, and a threshing adjustment lifting rod 711 disposed on a piston rod of the threshing adjustment hydraulic cylinder 712, wherein the threshing adjustment lifting rod 711 is hinged to the arc-shaped sieve plate 7, and the arc-shaped sieve plate 7 can be driven to move by controlling the extension and retraction of the piston rod of the threshing adjustment hydraulic cylinder 712, so as to adjust the distance between the arc-shaped sieve plate 7 and the separating roller. The piston rod of the threshing adjusting hydraulic cylinder 712 is provided with a threshing monitoring device 714, the threshing monitoring device 714 is used for detecting the distance between the arc-shaped sieve plate 7 and the threshing cylinder, and the threshing monitoring device 714 can adopt a distance sensor. The threshing monitoring device 714 can also include a rotational speed sensor to monitor the rotational speed of the threshing cylinder.

The threshing convex blocks comprise inclined plane plastic tooth flexible convex blocks 501 close to the peeling device 203 and three-tooth rigid convex blocks 502 far away from the peeling device 203, a plurality of inclined plane plastic tooth flexible convex blocks 501 and a plurality of three-tooth rigid convex blocks 502 are arranged in a row and distributed on the threshing roller in a spiral line manner, grid type concave plates 701 are correspondingly arranged below the inclined plane plastic tooth flexible convex blocks 501, and hole type concave plates 702 are correspondingly arranged below the three-tooth rigid convex blocks 502; the frame is provided with a trash discharging wheel 17 and a trash discharging hole 204 which are positioned at one end of the threshing cylinder far away from the peeling chamber.

The surface of the bevel plastic tooth flexible lug 501 contacted with the corn is obliquely arranged relative to the tangent plane separated from the roller, so that the surface of the bevel plastic tooth flexible lug 501 contacted with the corn is cut into the corn kernels in an oblique direction, the corn kernels are convenient to fall off, and the threshing efficiency is improved. The threshing lugs are distributed on the threshing cylinder in a spiral line, and the threshing lugs can be used for pushing the corn cobs to continuously move backwards in the process of separation, so that the threshed corn cobs are conveniently discharged, and the corn cobs are prevented from being blocked.

The extrusion force of the corn can be reduced by adopting the inclined plastic-tooth flexible lug 501, flexible threshing is realized, and the corn is prevented from being damaged in the grain threshing process.

In this embodiment, after the corn cob moves to the end of the threshing cylinder, the corn cob is thrown out of the frame from the trash discharging hole 204 by the trash discharging wheel 17.

Example 5:

as shown in fig. 1, on the basis of the above embodiment, in the present embodiment, a grain sieving system is arranged below the threshing system, the grain sieving system includes a shaking plate 6 arranged below the threshing system, an upper sieve 16 is arranged below the shaking plate 6, a lower sieve 12 is arranged below the upper sieve 16, a downward-inclined sliding plate 13 is arranged below the lower sieve 12, a corn grain conveying device 10 is arranged at the bottom end of the sliding plate 13, and a grain bin 20 communicated with the corn grain conveying device 10 is arranged in the frame; the frame is provided with a grain unloading pipe 201 communicated with the granary 20.

The kernel of corn and some miscellaneous that drop from arc sieve 7 drop on shaking board 6, shake board 6 and make kernel of corn and miscellaneous in-process that removes separate gradually through the vibration, remove to the end of shaking board 6 when the kernel of corn, the kernel of corn drops to on the sieve 16 from shaking board 6, the kernel of corn drops to under sieve 12 through the screening of 16 sieve meshes on the sieve, the kernel of corn drops to slide 13 through the screening of 12 sieve meshes on the sieve down, the kernel of corn gets into in kernel of corn conveyor 10 along slide 13, carry the kernel of corn to granary 20 by kernel of corn conveyor 10 and store. Through multiple screening, the corn kernels and the impurities are separated.

In this embodiment, the corn kernel conveying device 10 employs a conveying pipe with a helical blade, and the helical blade is driven to rotate by the rotation of the conveying pipe, so that the helical blade pushes the corn kernels to move forward into the grain bin 20, and prevents the corn kernels in the grain bin 20 from flowing back.

When unloading, the grains in the granary 20 are conveyed out of the granary 20 through a grain unloading pipe 201 communicated with the granary 20.

In this embodiment, a fan 8 is arranged below the shaking plate 6, a trash conveying device 11 communicated with the outside of the rack is arranged below the sliding plate 13, and the corn kernel conveying device 10 is located between the fan 8 and the trash conveying device 11.

Utilize fan 8 to provide wind-force, blow miscellaneous surplus to row miscellaneous mouthful 204 to this makes in miscellaneous surplus discharges the frame, avoids miscellaneous surplus and kernel of corn to mix, can effectively separate kernel of corn and miscellaneous surplus through screening many times, and makes miscellaneous surplus receive the wind influence and discharge at the in-process of separation.

In this embodiment, the tail sieve 18 is disposed at the end of the upper sieve 16, when a part of the heavier cob trash falling on the upper sieve 16 is acted by the wind and moves backwards, but cannot be blown out of the trash discharging opening 204 under the action of the wind, the trash can be further conveyed to the trash conveying device 11 through the tail sieve 18 by the trash conveyor 11 due to the gravity, and the unpeeled cob trash can be further conveyed to the threshing roller for re-threshing, so that the harvesting efficiency of the corn kernels is improved, and waste is avoided.

Example 6:

as shown in fig. 3 and 6, on the basis of the above embodiments, in this embodiment, the high-clearance traveling device 14 includes two frames 1432 disposed below the frame, two ends of the frame 1432 are respectively hinged with a limit bracket 167 and an adjusting bracket 168, a free end of the adjusting bracket 168 is hinged with an upper frame 1431, the limit bracket 167 is hinged with the upper frame 1431, two hinge points on the limit bracket 167 are equidistant from two hinge points on the adjusting bracket 168 and are parallel to a connecting line, a lower frame 142 is slidably disposed in the upper frame 1431 along the vertical direction, and a traveling wheel 141 is rotatably disposed at the free end of the lower frame 142.

In this embodiment, the frame 1432 is used as a support, so that the limiting bracket 167 and the adjusting bracket 168 are respectively hinged between the frame 1432 and the upper frame 1431, and the hydraulic lifting controller 165 arranged on the frame 1432 is used to drive the adjusting bracket 168 to drive the lower frame 142 at two ends of the frame 1432 to approach or separate from each other, so as to adjust the distance between the traveling wheels 141 at two ends of the frame 1432 to adapt to the distance between field crops.

Through making lower frame 142 slide to set up in last frame 1431, can adjust the holistic height of machines through the slip of lower frame 142 and last frame 1431 to make the machines avoid the crop, prevent that the machines from causing the influence to other crops in field.

In this embodiment, an oil chamber 1631 is disposed in the upper frame 1431, the lower frame 142 is movably and hermetically connected to the oil chamber 1631, a hydraulic controller 163 is disposed on the upper frame 1431, and the hydraulic controller 163 is communicated with the oil chamber 1631 through a liquid control pipe 164. The hydraulic controller 163 supplies hydraulic oil into the oil chamber 1631 or takes out the hydraulic oil to adjust the lifting of the upper frame 1431, so as to drive the whole machine to lift.

As shown in fig. 13, a steering device is disposed at a free end of the lower frame 142, the road wheels 141 are disposed on the steering device, the steering device includes a steering power cylinder 144 disposed at the free end of the lower frame 142, and the steering power cylinder 144 is provided with a plurality of knuckle arms 143 in transmission connection with the road wheels 141. The knuckle arm 143 be four telescopic knuckle arms fig. 13 and mark as Z1, Z2, Z3, Z4, when the vehicle needs the left turn, through control Z1 and Z4 extension, Z2 shortens with Z3, can drive walking wheel 141 and deflect left to make the whole vehicle can turn left. Similarly, the walking wheels 141 can be driven to deflect rightwards by controlling the Z1 and the Z4 to be shortened and the Z2 and the Z3 to be extended, so that the whole vehicle can rotate rightwards. In this embodiment, the driving of the knuckle arm is the prior art, and the specific working principle and structure thereof are not taken as the improvement point of this solution, and those skilled in the art can achieve the above effects according to the content recorded in this solution, and here, the specific driving manner and driving structure of the knuckle arm are not defined and described in detail.

Example 7:

as shown in fig. 10 and 11, in the present embodiment, when the vehicle starts, the accumulator 154 is not filled with the hydraulic oil, the fourth control valve 156 is in the off state, the hydraulic oil is injected into the accumulator 154 through the oil pump 158 and the third check valve 155, and when the oil pressure of the oil passage reaches the oil pressure threshold of the fourth control valve 156, the fourth control valve 156 is in the on state.

When the whole vehicle normally works, hydraulic oil flows from an oil tank 162 through an oil pump 158 of a second filter 159, through a fourth battery valve 156, a second one-way valve 153, a first oil path 161, a first one-way valve 151 to a full hydraulic steering gear 150, through a steering gear valve block 149, enters a front wheel steering power cylinder 148 through an opening A, when a first control valve 147 is in a first position, only front wheel steering can be realized at the moment, and the hydraulic oil flows back to the steering gear 149 through a first control valve 147 through an opening B and then flows back to the oil tank 162 through the first filter 145.

When the first control valve 147 is switched to the second position, the hydraulic oil flows through the first control valve 147 via the port B, then flows into the rear wheel steering cylinder 146 via the port C, flows back to the steering device 149 via the port D, and then flows back to the oil tank 162 via the first filter 145, whereby four-wheel steering is realized.

When the oil pump 158 or the first oil path 161 is in failure and the hydraulic oil cannot be conveyed to the full hydraulic steering gear 150, the second control 152 is switched on, and at the moment, the hydraulic oil in the energy accumulator 154 is conveyed to the full hydraulic steering gear 150 through the second control valve 152 and the second oil path 160, so that the vehicle can realize a short-time steering function.

When the oil pressure generated by the oil pump is too large, the hydraulic oil can directly flow back to the oil tank 162 through the relief valve 157 in order to protect the oil passage and the relevant working components from being damaged.

When the first control valve 147 is switched to the second position, the hydraulic oil flows through the first control valve 147 via the port B, then flows into the rear wheel steering cylinder 146 via the port C, flows back to the steering device 149 via the port D, and then flows back to the oil tank 162 via the first filter 145, whereby four-wheel steering is realized.

When the oil pump 158 or the first oil path 161 is in failure and the hydraulic oil cannot be conveyed to the full hydraulic steering gear 150, the second control 152 is switched on, and at the moment, the hydraulic oil in the energy accumulator 154 is conveyed to the full hydraulic steering gear 150 through the second control valve 152 and the second oil path 160, so that the vehicle can realize a short-time steering function.

When the oil pressure generated by the oil pump is too large, the hydraulic oil can directly flow back to the oil tank 162 through the relief valve 157 in order to protect the oil passage and the relevant working components from being damaged.

When the vehicle travels on the road surface, does not need high clearance operation or needs to reduce the chassis and reduce the wheel track, the driver controls the central processing unit 101 through the setting key 1021 on the parameter setting device 102, so that the central processing unit 101 adjusts the hydraulic lifting controller 165 to shorten, and the hydraulic lifting controller 165 drives the adjusting bracket 168 to rotate and drives the upper frame 1431 to move obliquely upwards during shortening, thereby shortening the horizontal distance between the chassis and the wheels 141 and shortening the wheel track between two wheels. Meanwhile, when the upper frame 1431 moves, the limit bracket 167 is driven to move anticlockwise, wherein the limit bracket 167 has certain limiting effect and protecting effect on the movement of the upper frame 1431.

When the driver needs to walk in high ground clearance or lift the chassis to expand the wheel track, the driver controls the central processing unit 101 by adjusting the setting keys 1021 on the parameter setting device 102, so that the central processing unit 101 adjusts the hydraulic lifting controller 165 to extend, and the hydraulic lifting controller 165 drives the adjusting bracket 168 to do circular motion clockwise and drives the upper frame 1431 to move obliquely and downwards, thereby increasing the horizontal distance between the chassis and the wheels 141 and expanding the wheel track between two wheels. Meanwhile, when the upper frame 1431 acts, the limit bracket 167 is driven to act clockwise.

When the harvester normally works, the central processor 101 is started on the interface of the parameter setting device 102, and then the central processor 101 respectively transmits signals to the ground distance detection device 32, the rotating speed detection device 276, the infrared detection device 25, the threshing detection device 714 and the GPS weighing device 200 to start detection. At this time, the ground distance detection device 32 which receives the signal starts to monitor the ground distance information, and transmits the ground distance information to the central processing unit 101 from the ground distance detection device 32; meanwhile, when the rotation speed detection device 276 receives signals of the central processor 101, the rotation speed of the bevel gear 273 is monitored, and the rotation speed information of the bevel gear 273 is transmitted to the central processor 101 from the rotation speed detection device 276; meanwhile, when the infrared detection device 25 receiving signals of the central processing unit 101 starts to monitor the conditions of the header output port 24 and the header shifting plate 23, the clusters passing through the header output port 24 are detected to monitor the clusters with bracts, and the rotating speed information of the header shifting plate 23 is measured and transmitted to the central processing unit 101; meanwhile, the threshing monitoring device 714 which receives the signals of the central processing unit 101 starts to detect the threshing gaps between the inclined plastic-tooth flexible roller 501 and the grid-type concave plate 701, between the three-tooth-type rigid roller 502 and the hole-type concave plate 702 and the rotating speed of the threshing roller 5, and transmits the monitored signals to the central processing unit 101; meanwhile, when the GPS weighing device 200 receives signals from the central processing unit 101, the GPS weighing device 200 starts to record the weight change and the real-time moisture content of grains in the granary 20, and records the movement track of the machine, and the recorded information is transmitted to the central processing unit 101.

When the central processor 101 receives the signals fed back by the ground distance detection device 32, the rotating speed detection device 276, the infrared detection device 25, the threshing monitoring device 714 and the GPS weighing device 200, the signals fed back to the ground distance detection device 32 are processed into stubble height information and displayed on the display 103; the signal fed back to the speed detection device 276 is processed into ear picking speed information and displayed on the display 103; processing the header output port signal fed back to the infrared detection device 25 into bract rate information and displaying the bract rate information on the display 103; processing the header stirring plate signal fed back to the infrared detection device 25 into header auger rotating speed information and displaying the header auger rotating speed information on the display 103; processing the clearance between the inclined plastic-tooth flexible roller 501 and the grid-type concave plate 701, the clearance between the three-tooth rigid roller 502 and the hole-type concave plate 702 which are fed back to the threshing monitoring device 714 into threshing clearance information and displaying the threshing clearance information on the display 103, and processing the rotating speed information fed back by the threshing roller 5 into threshing speed information and displaying the threshing speed information on the display 103; the signals fed back to the GPS scale device 200 are processed into the elapsed operating time, the harvested amount, the real-time harvested amount, the moisture content, and a harvested weight position map is plotted and displayed on the display 103.

During the period, the rotation speed, the bract rate, the ear picking speed, the stubble height, the threshing gap, the threshing speed, the chassis height, the operation time, the harvested quantity, the real-time harvested quantity and the water content of the header auger can be observed by a manipulator through the display 103. When the cutting table auger rotating speed, the bract rate and the snapping speed are inappropriate, a manipulator can set reasonable parameters on a setting key 1021 in a corresponding parameter setting device 102, and presses a parameter confirmation key 1022 to confirm after the setting is finished, after the parameter confirmation key 1022 is pressed, the parameter setting device 102 feeds back signals to the central processing unit 101, and the central processing unit 101 adjusts the output rotating speed of the snapping driving motor 271 after receiving the signals; when the stubble height is improper, the manipulator can set reasonable parameters on the setting key 1021 in the corresponding parameter setting device 102, and presses the parameter confirmation key 1022 to confirm after setting, after pressing the parameter confirmation key 1022, the parameter setting device 102 will feed back to the central processing unit 101 by signals, and the central processing unit 101 will adjust the crushing device driving motor 31 and the crushing hydraulic pressure adjusting device 33 after receiving the signals; when the threshing gap is not proper, the hand can set reasonable parameters on the setting key 1021 in the corresponding parameter setting device 102, and press the parameter confirmation key 1022 to confirm after setting, after pressing the parameter confirmation key 1022, the parameter setting device 102 will feed back to the central processing unit 101 by signals, the central processing unit 101 will adjust the threshing gap adjusting device 71 after receiving the signals, wherein, the threshing gap adjusting device 71 is respectively installed on the two sides of the grid type concave plate 701 and the hole type concave plate 702, after the threshing gap adjusting device 71 receives the instruction of the central processing unit 101, the threshing gap adjusting lifting rod 711 will extend and shorten the height relative to the threshing adjusting hydraulic cylinder 712; when the chassis height is inappropriate, the mechanic can set reasonable parameters on the setting keys 1021 in the corresponding parameter setting device 102, and presses the parameter confirmation key 1022 to confirm after setting, after pressing the parameter confirmation key 1022, the parameter setting device 102 will feed back signals to the central processor 101, the central processor 101 will adjust the hydraulic pressure lifting controller 165 after receiving the signals, and the operation process can also be used for adjusting the wheel track.

In order to solve the problem that the center of gravity of the vehicle is unstable due to the unevenness of the ground when the harvester is running, the harvester is provided with a level detection device 169 at the middle position of a frame 1432. The oil chamber 1631 is filled with suitable hydraulic oil when the machine is traveling normally. When the wheels 141 on the side of the machine tool meet a pit, the lower frame 142 moves downwards, the machine tool tilts towards the pit side, at this time, once the horizontal detection device 169 detects the occurrence of the phenomenon, the hydraulic controllers 163 at the other three positions are immediately controlled to suck out hydraulic oil in the oil cavity 1631 through the liquid control pipes 164 and store the hydraulic oil in the hydraulic controllers 163, and the lower frame 142 which does not meet the pit moves vertically upwards along the upper frame 1431 due to the discharge of the hydraulic pressure until the horizontal detection device 169 detects that the position of the machine tool is horizontal, and the action of the hydraulic controllers 163 is stopped. When the wheels 141 on one side of the machine tool encounter a convex hull, the lower frame 142 moves upwards, the machine tool tilts in other directions, once the horizontal detection device 169 detects the occurrence of the phenomenon, the hydraulic controller 163 at other positions is immediately controlled, hydraulic oil stored in the hydraulic controller 163 is conveyed into the oil cavity 1631 through the liquid control pipe 164 and is stored in the oil cavity 1631, and the lower frame 142 which does not encounter the convex hull is extruded by hydraulic pressure and moves downwards vertically along the upper frame 1431 until the horizontal detection device 169 detects that the position of the machine tool is horizontal, and the action of the hydraulic controller 163 is stopped.

In this embodiment, other undescribed contents are the same as those in the above embodiment, and thus are not described again.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.

Claims (14)

1. The utility model provides a maize header device which characterized in that: including header delivery board, setting header pivot on the header delivery board, set up helical blade (22) at header pivot both ends in header pivot and symmetric distribution, the both ends of header delivery board are provided with header crossbearer (26), are provided with the ear of grain support of plucking that even number interval set up on header crossbearer (26), the upper surface of plucking the ear of grain support be provided with single chain and dial ear device (21), pluck ear of grain support below and rotate and be provided with ear of grain roller (27), ear of grain roller (27) rotation opposite direction that two adjacent ear of grain supports correspond.

2. A corn header apparatus as claimed in claim 1, wherein: the cutting table cross frame (26) is provided with a crushing system positioned below the snapping roll (27), and the crushing system comprises a crushing device plate (34) arranged on the cutting table cross frame (26), a crushing rotating shaft rotatably arranged on the crushing device plate (34), a plurality of crushing knives (35) arranged on the crushing rotating shaft, and a crushing device driving motor (31) arranged on the crushing device plate (34) and in transmission connection with the crushing rotating shaft; the crushing device plate (34) is rotatably arranged on the header cross frame (26), and the crushing device plate (34) is provided with a crushing hydraulic adjusting device (34) for adjusting the height of the crushing device plate (34).

3. A corn header apparatus as claimed in claim 1, wherein: the header rotating shaft is provided with a plurality of header shifting plates (23) aligned with the header conveying ports (24); the corn harvester is characterized in that a harvesting roller driving system for driving a harvesting roller (27) to rotate is arranged on the harvesting table transverse frame (26), a corn divider (1) is arranged on a harvesting support, and a harvesting table conveying opening (24) communicated with a corn conveying device (4) is formed in a harvesting table conveying plate.

4. The utility model provides a corn kernel reaps system which characterized in that: the corn harvester comprises a header device, a frame and a threshing system arranged in the frame according to any one of claims 1 to 3, wherein a corn transmission device (4) is arranged between the header device and the threshing system, and the corn transmission device (4) comprises a conveying chamber arranged between the header device and the frame and a conveying belt arranged in the conveying chamber.

5. The corn kernel harvesting system of claim 4, wherein: the threshing system comprises a peeling chamber arranged between the conveying chamber and the frame, a peeling device (203) arranged in the peeling chamber, and a threshing device (5) arranged in the frame and communicated with the peeling device (203).

6. The corn kernel harvesting system of claim 5, wherein: the threshing device comprises a rotatable threshing cylinder, an arc-shaped sieve plate arranged below the threshing cylinder and a plurality of threshing lugs arranged on the threshing cylinder.

7. A corn kernel harvesting system as claimed in claim 5 or 6, wherein: one end of the threshing cylinder close to the peeling device (203) is provided with a conical feeding end (503), and the conical feeding end (503) is provided with a helical blade taking the axis of the conical feeding end (503) as the axis.

8. The corn kernel harvesting system of claim 7, wherein: the frame is provided with a threshing gap adjusting device (71) used for adjusting the distance between the arc-shaped sieve plate and the threshing cylinder, and the arc-shaped sieve plate comprises a grid type concave plate (701) and a hole type concave plate (702).

9. The corn kernel harvesting system of claim 8, wherein: the threshing convex blocks comprise inclined plane plastic tooth flexible convex blocks (501) close to the peeling device (203) and three-tooth rigid convex blocks (502) far away from the peeling device (203), a plurality of inclined plane plastic tooth flexible convex blocks (501) and a plurality of three-tooth rigid convex blocks (502) are arranged in a line and distributed on the threshing roller in a spiral line manner, grid type concave plates (701) are correspondingly arranged below the inclined plane plastic tooth flexible convex blocks (501), and hole type concave plates (702) are correspondingly arranged below the three-tooth rigid convex blocks (502); the frame is provided with a trash discharging wheel (17) and a trash discharging hole (204) which are positioned at one end of the threshing cylinder far away from the peeling chamber.

10. A corn kernel harvesting system as claimed in any one of claims 5, 6, 8, 9 wherein: a grain screening system is arranged below the threshing system, the grain screening system comprises a shaking plate (6) arranged below the threshing system, an upper sieve (16) is arranged below the shaking plate (6), a lower sieve (12) is arranged below the upper sieve (16), a sliding plate (13) inclining downwards is arranged below the lower sieve (12), a corn grain conveying device (10) is arranged at the bottommost end of the sliding plate (13), and a grain bin (20) communicated with the corn grain conveying device (10) is arranged in the machine frame; the machine frame is provided with a grain unloading pipe (201) communicated with the granary (20).

11. The corn kernel harvesting system of claim 10, wherein: a fan (8) is arranged below the shaking plate (6), a sundry conveying device (11) communicated with the outside of the frame is arranged below the sliding plate (13), and the corn kernel conveying device (10) is positioned between the fan (8) and the sundry conveying device (11).

12. A corn kernel harvester is characterized in that: comprising the corn kernel harvesting system of any one of claims 4-10, an operating system disposed on the frame, and a high clearance running gear (14) disposed at the bottom of the frame.

13. The corn kernel harvester of claim 12, wherein: the high-ground-clearance walking device (14) comprises two frames (1432) arranged below the rack, two ends of each frame (1432) are hinged with a limiting support (167) and an adjusting support (168), the free end of each adjusting support (168) is hinged with an upper frame (1431), each limiting support (167) is hinged with the upper frame (1431), two hinge points on each limiting support (167) are equidistant to two hinge points on each adjusting support (168) and are parallel to each other in a connecting line, a lower frame (142) is arranged in each upper frame (1431) in a sliding mode in the vertical direction, and the free end of each lower frame (142) is rotatably provided with a walking wheel (141).

14. The corn kernel harvester of claim 13, wherein: the free end of the lower frame (142) is provided with a steering device, the walking wheels (141) are arranged on the steering device, the steering device comprises a steering power cylinder (144) arranged at the free end of the lower frame (142), and a plurality of steering knuckle arms (143) in transmission connection with the walking wheels (141) are arranged on the steering power cylinder (144).

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