CN104938144B - High position unloading and automatic return device of combine harvester - Google Patents
High position unloading and automatic return device of combine harvester Download PDFInfo
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- CN104938144B CN104938144B CN201510307559.3A CN201510307559A CN104938144B CN 104938144 B CN104938144 B CN 104938144B CN 201510307559 A CN201510307559 A CN 201510307559A CN 104938144 B CN104938144 B CN 104938144B
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Abstract
The invention provides a high position unloading and automatic return device of a combine harvester. The high position unloading and automatic return device comprises a grain tank. An unloading mechanism, a drive mechanism and a control mechanism are arranged on the grain tank. The unloading mechanism comprises a vertical grain cylinder, a lower rotation base, an upper rotation base, a transverse grain cylinder and an unloading opening. A first conveying auger is arranged in the vertical grain cylinder. A second conveying auger is arranged in the transverse grain cylinder. The lower rotation base is connected with the upper end of the vertical grain cylinder in a rotatable mode. The lower rotation base can rotate in the horizontal direction. The upper rotation base is connected with the lower rotation base in a rotating mode. The upper rotation base can rotate in the vertical direction. A transverse conveying auger is arranged in the upper rotation base and the lower rotation base. The transverse grain cylinder is fixedly connected with the upper rotation base. The unloading opening is formed in the outer end of the transverse grain cylinder. The drive mechanism comprises a miniature motor, a hydraulic oil cylinder and a stroke limiting point. The control mechanism controls the miniature motor and the hydraulic oil cylinder and adjusts the position of the unloading opening. The high position unloading and automatic return device is simple in structure, easy to implement and high in reliability.
Description
Technical field
The invention belongs to agricultural machinery technological field, relate to a kind of united reaper high position unloading and automatic resetting device.
Background technology
China is large agricultural country, and the market demand of grain combine is the biggest.United reaper the most all has collection grain discharge mechanism, is used for collecting results crops, in order to store, transport, dump.Collection grain discharge mechanism therein is divided into artificial unloading and mechanical type unloading two kinds.One of current big-and-middle-sized grain combine high-efficient homework essential condition is to be automatically performed unloading operation while harvester harvesting, thus improves the work efficiency of harvester.
But the existing big-and-middle-sized grain combine discharge mechanism of domestic majority all uses artificial unloading, when tanker the most completely needs unloading, use and manually pull grain barrel-removing, labor intensity is big, and grain barrel-removing grain unloading mouth position is by manpower manual control, it is impossible to be parked in optional position, troublesome poeration.Part combination harvester has mechanical type unloading function, but after completing unloading operation, also needs hand operating mechanism, it is achieved grain barrel-removing return.Due to the lower accuracy of unloading mechanism, and the delay of manual operation, hysteresis quality, when manual operation grain barrel-removing return, tend not to one-time-reach-place.This manual return mode of discharge mechanism, it is impossible to meet and produce needs, and have the shortcomings such as revert action is more, precision is the highest, need the most repeatedly adjustment cooperation.
Summary of the invention
It is an object of the invention to overcome prior art shortcoming and defect really, a kind of simple to operate, united reaper high position unloading that serviceability is good and the device of self-return are provided, realize electro-hydraulic driving, replace the pattern needing in the past manually to pull, and realize grain barrel-removing self-return function.
nullIt is an object of the invention to be achieved through the following technical solutions: the high-order unloading of a kind of united reaper and automatic resetting device，Including tanker，Described tanker is provided with unloading mechanism，Drive mechanism and controlling organization，Described unloading mechanism includes vertical grain cylinder、Lower revolving bed、Last time swivel base、Lateral grain cylinder and grain unloading mouth，Vertical grain cylinder is fixed on described tanker side，It is provided with the first conveying screw feeder in described vertical grain cylinder，The second conveying screw feeder it is provided with in described lateral grain cylinder，Lower revolving bed is rotatably connected with the upper end of vertical grain cylinder，Lower revolving bed can rotate in the horizontal direction，Last time, swivel base was rotationally connected with lower revolving bed，Last time, swivel base energy in the vertical direction rotated，Described last time swivel base and described lower revolving bed in be provided with lateral transfer screw feeder，Lateral grain cylinder is fixing with swivel base last time to be connected，Grain unloading mouth is arranged on the outer end of lateral grain cylinder，Described drive mechanism includes the micromachine driving described lower revolving bed to rotate、Drive hydraulic jack and stroke limit point that described last time, swivel base rotated，Described controlling organization controls described micromachine and described hydraulic jack，Described lateral grain cylinder is driven to carry out left-right rotation or swing up and down，Thus regulate the position of described grain unloading mouth.
nullDescribed lower revolving bed includes the first revolving bed cylinder、Toothed disc and the first commutating tooth wheel set，Described first revolving bed cylinder includes connecting end and for connecting end with the second revolution that described last time, swivel base was connected for the first revolution being connected with described vertical grain cylinder，Described first revolution is connected and is connected by the first revolution connection member between end and described second revolution connection end，Between two end faces of the first revolution connection member, there is certain angle，First revolution connects end and the second revolution connects angle in 90 ° between end，Described first revolution connects end、First revolution connection member and second revolution connect end be interconnected formation first conveying turn to passage，Described first revolution connects the described toothed disc of the fixing connection in outer end of end，The upper end of described first conveying screw feeder is stretched in described first revolving bed cylinder，And be connected and transmission by the first commutating tooth wheel set in described first turns round connection member through described first revolution connection end with described lateral transfer screw feeder，Described first commutating tooth wheel set is made up of two intermeshing bevel gears of mutual angle in 90 °，The periphery of described first commutating tooth wheel set is provided with the first sealing revolving bed，Described first seals revolving bed entirety in syphon shape，Its two ends are respectively sleeved in the rotary shaft of the first conveying screw feeder and lateral transfer screw feeder，The junction of the described first end sealing revolving bed and conveying screw feeder uses sealing bearing to be connected.
Described first revolution connection member is provided with visual window.
nullDescribed last time, swivel base included the second revolving bed cylinder and the second commutating tooth wheel set，Described second revolving bed cylinder includes connecting end for the 3rd revolution being connected with described lateral grain cylinder and the 4th revolution for being connected with described lower revolving bed connects end，Described 3rd revolution is connected and is connected by the second revolution connection member between end and described 4th revolution connection end，Between two end faces of described second revolution connection member, there is certain angle，Described 3rd revolution connects end and described 4th revolution connects angle in 90 ° between end，Described 3rd revolution connects end、Second revolution connection member and the 4th revolution connect end be interconnected formation second conveying turn to passage，The lower end of described second conveying screw feeder is stretched in described second revolving bed cylinder，And be connected and transmission by the second commutating tooth wheel set in described second turns round connection member through described 3rd revolution connection end with described lateral transfer screw feeder，Described first commutating tooth wheel set is made up of two intermeshing bevel gears of mutual angle in 90 °，The periphery of described second commutating tooth wheel set is provided with the second sealing revolving bed，Described second seals revolving bed entirety in syphon shape，Its two ends are respectively sleeved in the rotary shaft of the second conveying screw feeder and lateral transfer screw feeder，The junction of the described second end sealing revolving bed and conveying screw feeder uses sealing bearing to be connected.
Described second revolution connection member is provided with visual window.
While using technique scheme, the present invention can also use or combine and use technical scheme further below:
The cylinder barrel end of described hydraulic jack is hinged on lower revolving bed, the piston rod of described hydraulic jack is hinged on the lower end of lateral grain cylinder, described cylinder barrel is provided with piston limit support, described hydraulic jack is provided with the up-downgoing degree site of piston rod, described up-downgoing degree site is for limiting the scope that rotates upwardly and downwardly of described lateral grain cylinder, thus limits the height of described grain unloading mouth.
The upper end of described vertical grain cylinder is fixedly connected with revolution changeover portion, described revolution changeover portion is fixed on described tanker, described toothed disc is fixedly connected on the upper end of described revolution changeover portion, described micromachine is arranged on described revolution changeover portion, described micromachine includes permanent magnet direct current motor and planetary reducer, described planetary reducer is connected with the engagement of described toothed disc, described toothed disc is provided with the left and right rows degree site that lateral grain cylinder horizontally rotates, described left and right rows degree site is for limiting the left-right rotation scope of described lateral grain cylinder, thus limit the level angle of grain unloading mouth.
nullDescribed controlling organization includes programmable gate array (FPGA)、Memorizer、Position sensor、Alarm sensor、Buzzer、Three gear handle switchs and master control mode switch，Described programmable gate array is located at driver's cabin，The outfan of described programmable gate array is connected with the relay of solenoid directional control valve and micromachine，The input of described programmable gate array and position sensor、Alarm sensor and master control mode switch connect，Described position sensor is separately fixed on the piston rod top of described hydraulic jack and the cantilever bearing of vertical grain cylinder，Respectively whether toothed disc and piston rod are arrived the current signal transfer of defined position to described programmable gate array，Described alarm sensor is fixed on the bottom inside tanker，And be connected with the input of described programmable gate array together with buzzer，Described three gear handle switchs are connected with the relay of micromachine，For controlling the rotating of motor，Described three gear handle switchs are connected with solenoid directional control valve，For controlling the lifting of hydraulic jack.
Compared with prior art, the method have the advantages that
Present configuration is simple, it is easy to implement, highly reliable.Unloading transposition return has both of which, both can make grain barrel-removing self-return, it is also possible to switch to manual operation mode, electro-hydraulic driving to complete revert action at any time.Both of which switches freely, operates various；Discharge mechanism self-return function greatly shortens the return time of grain barrel-removing, simplifies operating process, improves working performance；During not operation at ordinary times, lateral grain cylinder draws the fixed support above tanker in；During unloading, master control switch is manual operation mode, according to actual job situation, by the effect of minisize dc reducing motor, makes lateral grain cylinder to horizontally rotate；Lateral grain cylinder is made to longitudinally rotate by hydraulic jack effect, the height and position of regulation grain unloading mouth；During unloading hole capital after selling all securities, alarm sensor automatic alarm, closedown conveying screw feeder, prompting unloading terminates, and the self-return pattern of Time-delayed trigger grain barrel-removing, makes lateral grain cylinder be automatically performed revert action according to coding by FPGA.Can also regulate master control switch, midway switches to manual operation mode, it is achieved sudden-stop function, manually completes grain cylinder and is repositioned to fixed support.
Discharge mechanism introduces that volume is little, low-power consumption, low cost, high-performance, addressing system is simple, execution efficiency is high FPGA, FPGA is allowed to become the control centre of automatic resetting device, replace general embedded controller, both solve the deficiency of custom circuit, overcome again the shortcoming that original programming device gate circuit number is limited.
Accompanying drawing explanation
Fig. 1 is the structural representation of the unloading mechanism of the present invention.
Fig. 2 is the swivel base and the structural representation of lower revolving bed last time of the present invention.
Fig. 3 is the cut-away view of Fig. 2.
Fig. 4 is the fundamental diagram of the present invention.
Fig. 5 is the electrical schematic of the present invention.
Fig. 6 is high-order unloading and revert action flow chart.
Fig. 7 self-return model process figure.
Fig. 8 manual operation mode flow chart.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described further.The present embodiment is implemented at income lower premised on technical solution of the present invention, gives detailed embodiment and specific operation process, but protection scope of the present invention is not limited to following embodiment.The present embodiment is only explanation of the invention, and the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but is all protected by Patent Law in scope of the presently claimed invention.
The high-order unloading of the united reaper of the present invention and automatic resetting device, as it is shown in figure 1, include tanker 1, tanker 1 is provided with unloading mechanism, drive mechanism and controlling organization.
Unloading mechanism includes vertical grain cylinder 2, lower revolving bed 3, transposon 18 last time, lateral grain cylinder 9 and grain unloading mouth 10.Vertical grain cylinder 2 is fixed on tanker 1 side, it is provided with the first conveying screw feeder 14 in vertical grain cylinder 2, the second conveying screw feeder 15 it is provided with in lateral grain cylinder 9, lower revolving bed 3 is rotatably connected with the upper end of vertical grain cylinder 2, lower revolving bed 3 can rotate in the horizontal direction, last time, transposon 18 was rotatably connected with lower revolving bed 3, last time, transposon 18 can rotate with in the vertical direction, last time transposon 18 and lower revolving bed 3 in be provided with lateral transfer screw feeder 16, lateral grain cylinder 9 bolt is connected to transposon 18 last time, and grain unloading mouth 10 is fixedly connected on the outer end and vertically the most down of lateral grain cylinder 9.
Drive mechanism includes the minisize dc reducing motor 5 driving lower revolving bed 3 to rotate, drives hydraulic jack 6 and stroke limit point that last time, transposon 18 rotated, controlling organization controls minisize dc reducing motor 5 and hydraulic jack 6, drive lateral grain cylinder 9 carry out left-right rotation or swing up and down, thus regulate the position of grain unloading mouth 10.
nullAs shown in Figure 3，Lower revolving bed 3 includes the first revolving bed cylinder 17、Toothed disc 4 and the first commutating tooth wheel set 19，First revolving bed cylinder 17 includes connecting end 20 and for connecting end 21 with the second revolution that last time, transposon 18 was connected for the first revolution being connected with vertical grain cylinder 2，First revolution is connected and is connected by the first revolution connection member 22 between end 20 and the second revolution connection end 21，Between two end faces of the first revolution connection member 22, there is certain angle，First revolution connects end 20 and the second revolution connects between end 21 in 90 ° of angles，First revolution connects end 20、First revolution connection member 22 and the second revolution connect end formation the first conveying that is interconnected and turn to passage，First revolution connects the fixing connection in the outer end toothed disc 4 of end 20，The upper end of the first conveying screw feeder 14 is stretched in the first revolving bed cylinder 17，And be connected and transmission by the first commutating tooth wheel set 19 in the first revolution connection member 22 through the first revolution connection end 20 with lateral transfer screw feeder，First commutating tooth wheel set 19 is made up of two intermeshing bevel gears of mutual angle in 90 °，The periphery of the first commutating tooth wheel set 19 is provided with the first sealing revolving bed 18，First sealing revolving bed 18 entirety is syphon shape，Its two ends are respectively sleeved in the rotary shaft of the first conveying screw feeder 14 and lateral transfer screw feeder 16，First seals revolving bed 18 uses sealing bearing to be connected with the junction of the first conveying screw feeder 14 and lateral transfer screw feeder 16，The inner surface sealing bearing is set on two conveying screw feeders，Its outer surface and first seals revolving bed 18 and connects，Seal bearing and can use conventional bearing，Its peripheral employing rubber sealing boot，Grain is prevented in course of conveying to enter in bearing even gear，Guarantee that drive mechanism completely cuts off with grain.
First revolution connection member 22 is provided with visual window 24, can observe the grain conveying situation and transmission situation in transfer passage, when occurring the situations such as card blocking in transfer passage, can open visual window and place under repair maintenance.
Second conveying screw feeder 15 is arranged in transposon 18 last time and lower revolving bed 3, and second seals revolving bed 30 is arranged on the first conveying screw feeder 14 and junction of the second conveying screw feeder 15.Second commutating tooth wheel set 26 is built in the second sealing revolving bed 30, it is ensured that with the grain isolation of conveying.
nullLast time, transposon 18 included the second revolving bed cylinder 25 and the second commutating tooth wheel set 26，Second revolving bed cylinder 25 includes connecting end 27 for the 3rd revolution being connected with lateral grain cylinder 9 and the 4th revolution for being connected with lower revolving bed 3 connects end 28，3rd revolution is connected and is connected by the second revolution connection member 29 between end 27 and the 4th revolution connection end 28，Between two end faces of the second revolution connection member 29, there is certain angle，3rd revolution connects end 27 and the 4th revolution connects mutual angle in 90 ° between end 28，3rd revolution connects end 27、Second revolution connection member 29 and the 4th revolution connect end 28 formation the second conveying that is interconnected and turn to passage，The lower end of the second conveying screw feeder 15 is stretched in the second revolving bed cylinder 25，And be connected and transmission by the second commutating tooth wheel set 26 in the second revolution connection member 29 through the 3rd revolution connection end 27 with lateral transfer screw feeder 16，Second commutating tooth wheel set 26 is made up of two intermeshing bevel gears of mutual angle in 90 °，The periphery of the second commutating tooth wheel set 26 is provided with the second sealing revolving bed 30，Second sealing revolving bed 30 entirety is syphon shape，Its two ends are respectively sleeved in the rotary shaft of the second conveying screw feeder 15 and lateral transfer screw feeder 16，Second seals revolving bed 30 uses sealing bearing to be connected with the junction of the second conveying screw feeder 15 and lateral transfer screw feeder 16，Second commutating tooth wheel set 26 is sealed in the second sealing revolving bed 30，Guarantee the grain isolation with conveying.
Second revolution connection member 29 is provided with visual window 24, can observe the grain conveying situation and transmission situation in transfer passage, when occurring the situations such as card blocking in transfer passage, can open visual window and place under repair maintenance.
As shown in Figure 2, drive mechanism includes hydraulic jack 6 and minisize dc reducing motor 5, the cylinder barrel end of hydraulic jack 6 is hinged on lower revolving bed 3, the piston rod of hydraulic jack 6 is hinged on the lower end of lateral grain cylinder 9, with piston limit support 7 on cylinder barrel, being additionally provided with the up-downgoing degree site that piston rod range is corresponding on hydraulic jack 6, up-downgoing degree site is for limiting the scope that rotates upwardly and downwardly of lateral grain cylinder 9, thus limits the height and position of grain unloading mouth 10.
The upper end of vertical grain cylinder 2 is fixedly connected with revolution changeover portion 31, revolution changeover portion 31 is fixed on tanker 1, toothed disc 4 is fixedly connected on the upper end of revolution changeover portion 31, minisize dc reducing motor 5 is arranged on revolution changeover portion 31 by cantilever bearing 32, minisize dc reducing motor 5 includes permanent magnet direct current motor 51 and planetary reducer 52, planetary reducer 52 is connected with toothed disc 4 engagement, toothed disc 4 is provided with the left and right rows degree site that lateral grain cylinder 9 horizontally rotates, thus limit grain unloading mouth 10 horizontally rotate angle.
As shown in Figure 4, controlling organization includes programmable gate array (FPGA), memorizer, position sensor 12, alarm sensor, buzzer, three gear handle switchs, master control mode switch.
FPGA controls the work of all modules as processor, replace general embedded controller, it is located at driver's cabin, the input of FPGA is connected with position sensor, alarm sensor, master control mode switch, the outfan of FPGA is connected with the relay of solenoid directional control valve and micromachine, master control mode switch is used for mode switch selection, and the normally off of master control mode switch is manual operation mode, and normally open is self-return pattern.Master control mode switch can be passed through, switch to manual operation return pattern, it is achieved jerk halfway.
Position sensor uses Hall switch, it is separately fixed on the piston rod top of hydraulic jack 6 and the cantilever bearing 32 of vertical grain cylinder 2, and be connected with the input of FPGA, respectively whether the piston rod of toothed disc 4 and hydraulic jack 6 is arrived the current signal transfer of defined position to FPGA.
Alarm sensor uses contact pressure sensor, is fixed on the bottom inside tanker 1, and is connected with the input of buzzer and FPGA, when tanker unloading, points out the end of job, and the startup of Time-delayed trigger self-return pattern once hole capital after selling all securities with regard to automatic alarm.If in setting delay time, master control mode switch does not switches, and delay time then starts grain barrel-removing self-return pattern after arriving.
Three gear handle switchs are connected with the relay of minisize dc reducing motor, control the rotating of motor.Three gear handle switchs are connected with solenoid directional control valve, control the lifting of hydraulic jack.
As it is shown in figure 5, FPGA connects with master control switch, it is in normally opened transition.Lateral grain cylinder 9 self-return program setting completes three actions: lateral grain cylinder 9 first passes through hydraulic jack 6 and is increased to upper extreme position, triggers Hall switch and makes piston stop；Then minisize dc reducing motor 5 inverts, and drives lateral grain cylinder 9 to turn left, and toothed disc 4 upper left extreme position point triggers Hall switch makes motor 5 stop；Last solenoid directional control valve commutation, hydraulic jack 6 shrinks, and drives lateral grain cylinder 9 to turn downward, and the lower limit position point of piston limit support triggers Hall switch makes oil cylinder 6 stop, and lateral grain cylinder 9 draws in fixed support 11.
Above-described embodiment is the present invention preferably embodiment; but embodiments of the present invention are also not restricted to the described embodiments; other are any do not deviate from made under spirit of the present invention and principle change, substitute, combine, simplify, change; it is accordingly to be regarded as the substitute mode of equivalence, within being included in protection scope of the present invention.
Claims (4)
- null1. the high-order unloading of a united reaper and automatic resetting device，Including tanker，Described tanker is provided with unloading mechanism，Drive mechanism and controlling organization，Described unloading mechanism includes vertical grain cylinder、Lower revolving bed、Last time swivel base、Lateral grain cylinder and grain unloading mouth，Vertical grain cylinder is fixed on described tanker side，It is provided with the first conveying screw feeder in described vertical grain cylinder，The second conveying screw feeder it is provided with in described lateral grain cylinder，Lower revolving bed is rotatably connected with the upper end of vertical grain cylinder，Lower revolving bed can rotate in the horizontal direction，Last time, swivel base was rotationally connected with lower revolving bed，Last time, swivel base energy in the vertical direction rotated，Described last time swivel base and described lower revolving bed in be provided with lateral transfer screw feeder，Lateral grain cylinder is fixing with swivel base last time to be connected，Grain unloading mouth is arranged on the outer end of lateral grain cylinder，Described drive mechanism includes the micromachine driving described lower revolving bed to rotate、Drive hydraulic jack and stroke limit point that described last time, swivel base rotated，Described controlling organization controls described micromachine and described hydraulic jack，Described lateral grain cylinder is driven to carry out left-right rotation or swing up and down，Thus regulate the position of described grain unloading mouth；nullDescribed lower revolving bed includes the first revolving bed cylinder、Toothed disc and the first commutating tooth wheel set，Described first revolving bed cylinder includes connecting end and for connecting end with the second revolution that described last time, swivel base was connected for the first revolution being connected with described vertical grain cylinder，Described first revolution is connected and is connected by the first revolution connection member between end and described second revolution connection end，Between two end faces of the first revolution connection member, there is certain angle，First revolution connects end and the second revolution connects angle in 90 ° between end，Described first revolution connects end、First revolution connection member and second revolution connect end be interconnected formation first conveying turn to passage，Described first revolution connects the described toothed disc of the fixing connection in outer end of end，The upper end of described first conveying screw feeder is stretched in described first revolving bed cylinder，And be connected and transmission by the first commutating tooth wheel set in described first turns round connection member through described first revolution connection end with described lateral transfer screw feeder，Described first commutating tooth wheel set is made up of two intermeshing bevel gears of mutual angle in 90 °，The periphery of described first commutating tooth wheel set is provided with the first sealing revolving bed，Described first seals revolving bed entirety in syphon shape，Its two ends are respectively sleeved in the rotary shaft of the first conveying screw feeder and lateral transfer screw feeder，The junction of the described first end sealing revolving bed and conveying screw feeder uses sealing bearing to be connected；Described first revolution connection member is provided with visual window；nullDescribed last time, swivel base included the second revolving bed cylinder and the second commutating tooth wheel set，Described second revolving bed cylinder includes connecting end for the 3rd revolution being connected with described lateral grain cylinder and the 4th revolution for being connected with described lower revolving bed connects end，Described 3rd revolution is connected and is connected by the second revolution connection member between end and described 4th revolution connection end，Between two end faces of described second revolution connection member, there is certain angle，Described 3rd revolution connects end and described 4th revolution connects angle in 90 ° between end，Described 3rd revolution connects end、Second revolution connection member and the 4th revolution connect end be interconnected formation second conveying turn to passage，The lower end of described second conveying screw feeder is stretched in described second revolving bed cylinder，And be connected and transmission by the second commutating tooth wheel set in described second turns round connection member through described 3rd revolution connection end with described lateral transfer screw feeder，Described second commutating tooth wheel set is made up of two intermeshing bevel gears of mutual angle in 90 °，The periphery of described second commutating tooth wheel set is provided with the second sealing revolving bed，Described second seals revolving bed entirety in syphon shape，Its two ends are respectively sleeved in the rotary shaft of the second conveying screw feeder and lateral transfer screw feeder，The junction of the described second end sealing revolving bed and conveying screw feeder uses sealing bearing to be connected；Described second revolution connection member is provided with visual window.
- The high-order unloading of a kind of united reaper the most as claimed in claim 1 and automatic resetting device, it is characterized in that: the cylinder barrel end of described hydraulic jack is hinged on lower revolving bed, the piston rod of described hydraulic jack is hinged on the lower end of lateral grain cylinder, described cylinder barrel is provided with piston limit support, described hydraulic jack is provided with the up-downgoing degree site of piston rod, described up-downgoing degree site is for limiting the scope that rotates upwardly and downwardly of described lateral grain cylinder, thus limits the height of described grain unloading mouth.
- The high-order unloading of a kind of united reaper the most as claimed in claim 1 and automatic resetting device, it is characterized in that: the upper end of described vertical grain cylinder is fixedly connected with revolution changeover portion, described revolution changeover portion is fixed on described tanker, described toothed disc is fixedly connected on the upper end of described revolution changeover portion, described micromachine is arranged on described revolution changeover portion, described micromachine includes permanent magnet direct current motor and planetary reducer, described planetary reducer is connected with the engagement of described toothed disc, described toothed disc is provided with the left and right rows degree site that lateral grain cylinder horizontally rotates, described left and right rows degree site is for limiting the left-right rotation scope of described lateral grain cylinder, thus limit the level angle of grain unloading mouth.
- nullThe high-order unloading of a kind of united reaper the most as claimed in claim 1 and automatic resetting device，It is characterized in that: described controlling organization includes programmable gate array (FPGA)、Memorizer、Position sensor、Alarm sensor、Buzzer、Three gear handle switchs and master control mode switch，Described programmable gate array is located at driver's cabin，The outfan of described programmable gate array is connected with the relay of solenoid directional control valve and micromachine，The input of described programmable gate array and position sensor、Alarm sensor and master control mode switch connect，Described position sensor is separately fixed on the piston rod top of described hydraulic jack and the cantilever bearing of vertical grain cylinder，Respectively whether toothed disc and piston rod are arrived the current signal transfer of defined position to described programmable gate array，Described alarm sensor is fixed on the bottom inside tanker，And be connected with the input of described programmable gate array together with buzzer，Described three gear handle switchs are connected with the relay of micromachine，For controlling the rotating of motor，Described three gear handle switchs are connected with solenoid directional control valve，For controlling the lifting of hydraulic jack.
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| CN201510307559.3A CN104938144B (en) | 2015-06-08 | 2015-06-08 | High position unloading and automatic return device of combine harvester |
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| CN106451907B (en) * | 2016-08-25 | 2018-12-18 | 常州市松泽电器有限公司 | Grain cylinder steering motor |
| CN106717490B (en) * | 2017-02-23 | 2023-07-04 | 中联重机浙江有限公司 | High-position reversible grain unloading assembly device for longitudinal axial flow combine harvester |
| CN107306583B (en) * | 2017-06-26 | 2024-03-19 | 江苏大学 | Foldable high-position grain unloading device with rotary grain outlet |
| CN110419320B (en) * | 2019-08-16 | 2023-10-10 | 中联重机南陵有限公司 | Grain unloading cylinder return control system and method of combine harvester and combine harvester |
| CN111010994B (en) * | 2019-12-11 | 2021-11-30 | 新疆牧神机械有限责任公司 | Automatic homing method for material barrel and feed harvester |
| CN116513018B (en) * | 2023-06-29 | 2023-09-12 | 黑龙江省红亮农业科技有限公司 | Multifunctional liquid-driven tillage and soil preparation transfer machine |
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| US10214362B2 (en) * | 2011-04-19 | 2019-02-26 | Cnh Industrial America Llc | Grain unloading system |
| CN203423974U (en) * | 2013-07-24 | 2014-02-12 | 奇瑞重工股份有限公司 | Revolving transmission mechanism for grain unloading barrel |
| CN103814678B (en) * | 2014-03-06 | 2016-01-20 | 星光农机股份有限公司 | A kind of collection grain discharge mechanism of combine and there is the combine of this device |
| CN204244715U (en) * | 2014-11-04 | 2015-04-08 | 王华伟 | A kind of discharge mechanism of grain header |
| CN104429326B (en) * | 2014-12-25 | 2017-01-18 | 中联重机股份有限公司 | Unloading device, agricultural machinery with the same and unloading method |
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