CN103098614A - Small and medium size self-propelled corncob-stem both-gaining corn combine harvester - Google Patents

Small and medium size self-propelled corncob-stem both-gaining corn combine harvester Download PDF

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Publication number
CN103098614A
CN103098614A CN2013100644907A CN201310064490A CN103098614A CN 103098614 A CN103098614 A CN 103098614A CN 2013100644907 A CN2013100644907 A CN 2013100644907A CN 201310064490 A CN201310064490 A CN 201310064490A CN 103098614 A CN103098614 A CN 103098614A
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China
Prior art keywords
walking
floor
roller
chassis
taiwan
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CN2013100644907A
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Chinese (zh)
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CN103098614B (en
Inventor
齐自成
姜伟
马继春
位国建
李青龙
刘继元
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Shandong Agriculture Machinery Research Institute
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Shandong Agriculture Machinery Research Institute
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Priority to CN201310064490.7A priority Critical patent/CN103098614B/en
Publication of CN103098614A publication Critical patent/CN103098614A/en
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Abstract

The invention discloses a small and medium size self-propelled corncob-stem both-gaining corn combine harvester which comprises a walking base disc. The walking base disc is provided with an upper layer header, a lower header, a drive cab, a fruit-corncob conveyer, an engine, a grass chamber, a crop chamber, an oil chamber, a dialing wheel assembly, a straw feeding device and a kicker. One end of the upper layer header is connected with an installing base of the upper layer header in a hanging mode. A lower end is connected with the lower layer header through an oil cylinder of the upper layer header. The lower layer header is located below the upper layer header. One end of the upper layer header is connected with an installing base of the lower layer header in a hanging mode. The lower end of the lower layer header is connected with the walking base disc through an oil cylinder of the upper layer header. The installing base of the lower layer header and the installing base of the upper layer header are respectively connected with the walking base disc. The dialing wheel assembly, the straw feeding device and the kicker are connected with the front portion of the walking base disc. The small and medium size self-propelled corncob-stem both-gaining corn combine harvester can be used for completing corn harvest in the field, corn straw cutting, chopping, collecting and stubble cleaning operations in one time. The small and medium size self-propelled corncob-stem both-gaining corn combine harvester can not only harvest corn corncobs and straws, but also avoid resource wasting and environment pollution brought from straw burning.

Description

Middle-size and small-size self-propelled corncob and stalk corn combined harvester
Technical field
The present invention relates to technical field of agricultural harvesting, relate in particular to a kind of middle-size and small-size self-propelled corncob and stalk corn combined harvester that adapts to Huang-Huai-Hai.
Background technology
collection is gathered in the crops and pulverized to external silage maize harvester together with corn stem and fruit ear usually, the BiGX_850 that produces of German krone company for example, but external machine is huge, expensive, be not adapted at the Huang-Huai-Hai spread, because corn is the important cereal crops of China, domesticly usually corn ear and cane are gathered in the crops separately, represent that type has state's rich 4YQW-3 type backpack corncob and stalk corn reaping machine and the self-propelled corncob and stalk corn combined harvester of seamount 4YZQ-4, backpack corncob and stalk corn reaping machine is because operating efficiency is low, market is atrophy gradually, the 4YZQ-4 type mainly is adapted at operation on large plot, northeast, its structure is not suitable for operation on the medium and small plot of knob, maize straw is as important livestock feed, fuel source, on market in the urgent need to a kind of middle-size and small-size self-propelled corncob and stalk corn combined harvester.
Summary of the invention
Purpose of the present invention is exactly in order to solve the prior art above shortcomings; A kind of middle-size and small-size self-propelled corncob and stalk corn combined harvester is provided; The present invention can disposablely complete field corn results, maize straw cutting, chopping, collection and stubble-cleaning operation, be conducive to the second stubble crop no-tillage seeding, can the harvesting corn fruit ear, can the harvesting corn stalk, realize one-machine-multi-function, the wasting of resources and the environmental pollution of avoiding crop straw burning to bring, improved Social benefit and economic benefit, be particluarly suitable for the central plain area and use.
To achieve these goals, the present invention adopts following technical scheme:
A kind of middle-size and small-size self-propelled corncob and stalk corn combined harvester, comprise the chassis of walking, the chassis of walking is provided with the upper strata ceding of Taiwan, lower floor's ceding of Taiwan, driver's cabin, ear forwarder, engine, grass box, tanker, fuel tank, thumb wheel assembly, stalk feeding unit, spinner; The ceding of Taiwan one end in upper strata is articulated in upper header mount pad upper and lower end and is connected with the lower floor ceding of Taiwan by upper strata ceding of Taiwan oil cylinder; Lower floor's ceding of Taiwan is positioned at ceding of Taiwan below, upper strata, and an end is articulated in lower cutting table mount pad upper and lower end and is connected with the chassis of walking by the lower cutting table oil cylinder, and lower cutting table mount pad, upper header mount pad are connected with the chassis of walking respectively; Described thumb wheel assembly, stalk feeding unit, spinner and walking anterior connection of chassis.
Ear forwarder is arranged on the driver's cabin right side, grass box and tanker are located at the chassis afterbody of walking, grass box passes on left that the grass box rotating shaft is hinged on the grass box support, the right side is supported by the grass box rotational fuel tank, the tanker right side by the tanker rotating shaft be hinged on the tanker support, the left side supported by the tanker rotational fuel tank; Below tanker and grass box, fuel tank is installed.
Lower floor's ceding of Taiwan comprises lower floor's header frame and cutter mill, and lower floor's header frame is connected with the chassis of walking, and lower floor's header frame is provided with reciprocating cutterbar, and reciprocating cutterbar is arranged on the frame front end; Be respectively equipped with thumb wheel assembly, cane conveying screw feeder, cane feeding unit after reciprocating cutterbar.
The thumb wheel assembly comprises thumb wheel sprocket wheel, the left spindle nose of thumb wheel, band boss circular seat bearing, left roller, central shaft bearing, the right roller of dialling dialled, wherein the thumb wheel sprocket wheel is connected with left spindle nose, left spindle nose, right spindle nose are welded on respectively left dial roller, right dialling on roller, left spindle nose, right spindle nose are connected with the screw feeder side plate by band boss circular seat bearing, the screw feeder side plate is connected with the chassis of walking, and it is middle by the connection of central shaft bearing that roller is dialled on left group roller, the right side.
The stalk feeding unit mainly comprises front feeding roller, middle feeding roller, rear feeding roller, front feeding roller be connected feeding roller and connect by front rod, middle feeding roller be connected feeding roller and connect by intermediate connecting rod, rear feeding roller is fixed on back shaft by back link, back shaft is welded on the feeding side plate, the feeding side plate is connected with the chassis of walking, mechanism's power is inputted by universal joint, one power passes to the sprocket wheel III, gives front feeding roller with transmission of power through the sprocket wheel IV, another strand power through the sprocket wheel I pass to the sprocket wheel II, power is reached after feeding roller.
Described stalk feeding unit is connected with the feeding roller floating installation, described feeding roller floating installation comprises spring I, spring II, spring III, its medi-spring I upper end is articulated in the front rod upper and lower end and is articulated on lower floor's header frame, spring II upper end is articulated in the intermediate connecting rod upper and lower end and is articulated on lower floor's header frame, and spring III one end is articulated on back link, the other end is articulated on lower floor's header frame.
described spinner mainly comprises tube connector, the spinner shell, blower fan, the throwing cylinder, guide plate, belt pulley, adjust bracing wire, guide plate, wherein tube connector one end is connected with the spinner shell, and coordinate with the fan shaft position of blower fan, the tube connector other end is connected with the cutter mill outlet of the lower floor ceding of Taiwan by transition conduit, belt pulley is arranged on blower fan one end, transferring power, spinner shell bottom is connected with the chassis of walking by bracing frame, top is connected with the throwing cylinder, be provided with rotating disk between spinner shell and throwing cylinder, hydraulic motor, hydraulic motor is connected with rotating disk by rotating sprocket, thereby drive dial rotation, realize turning to of throwing cylinder, throwing cylinder end is provided with guide plate, guide plate is connected with the adjustment bracing wire, adjust the jet length of forage by adjusting bracing wire.
Beneficial effect of the present invention:
The present invention can the harvesting corn fruit ear, again can the harvesting corn stalk, realize one-machine-multi-function, the wasting of resources and the environmental pollution of avoiding crop straw burning to bring have improved Social benefit and economic benefit, are particluarly suitable for using on medium and small plot;
2. tanker of the present invention and grass box are arranged on reaping machine simultaneously, can gather in the crops simultaneously fruit ear and cane, and truck need not be followed car, especially are fit to central plain area's little plot operation, have improved the work production rate, have reduced cost;
3. the present invention adopts reciprocating cutterbar, and reciprocating cutterbar has that cutting-height is even, stubble height is low, and installation cost is low and the generalization degree is high; Avoid employing to be rolled into the formula cutter and easily roll earth, cause stalk to pollute, can not be used as the defective of greenfeed;
4. the present invention adopts the auxiliary feeding of thumb wheel, has effectively solved reciprocating cutterbar and has not carried backward the defective of cane ability, makes reciprocating cutterbar become possibility in maize straw results large-scale application, can reduce production costs;
5. the present invention adopts three single rollers intake mechanism that floats, simplified frame for movement, preliminary roller adopts tooth-shape structure, ability with crawl cane, central roll and rear roller adopt flat toothing, mainly play the broken joint feeding of stalk, three rollers connect by connecting rod, can float each other, the speed ratio that goes forward one by one between by each roller can be transported to cutter mill smoothly with cane;
6. the present invention adopts axial feeding spinner, and cane throws the spinner center to the back upper place after the cutter mill chopping, solved the problem that horizontal feeding easily results in blockage, and saved installing space, is easy to arrange.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is spike collecting of the present invention and forage collection structure schematic diagram;
Fig. 3 lower floor ceding of Taiwan structural representation;
Fig. 4 thumb wheel assembly apparatus schematic diagram;
Fig. 5 stalk feeding unit structural representation;
Fig. 6 feeding roller floating installation schematic diagram
Fig. 7 spinner structural representation.
wherein, 1. the upper strata ceding of Taiwan, 2. upper strata ceding of Taiwan oil cylinder, 3. lower floor's ceding of Taiwan, 4. upper header mount pad, 5. lower cutting table oil cylinder, 6. lower cutting table mount pad, 7. driver's cabin, 8. walking chassis, 9. spinner, 10. ear forwarder, 12. engine, 14. grass box, 15. grass box rotating shaft, 16. grass box support, 17. grass box rotational fuel tank 1, 18. tanker, 19. tanker rotating shaft, 20. tanker support, 21 tanker rotational fuel tanks, 22. fuel tank, 23. reciprocating cutterbar, 24. thumb wheel assembly, 25. cane feeding screw feeder, 26. lower floor's header frame, 27. cane feeding unit, 28. cutter mill, 29. thumb wheel sprocket wheel, 30. the left spindle nose of thumb wheel, 31 band boss circular seat bearings, 32. screw feeder side plate, 33. the left roller of dialling, 34. central shaft bearing, 35. the right roller of dialling, 36. front feeding roller, 37. front rod, 38. sprocket wheel I, 39. intermediate connecting rod, 40. sprocket wheel II, 41 back links, 42. sprocket wheel III, 43. sprocket wheel IV, 44. universal joint, 45. middle feeding roller, 46. rear feeding roller, 47. feeding side plate, 48. back shaft, 49. spring I, 50. spring II, 51. spring III, 52. tube connector, 53. bracing frame, 54. spinner shell, 55. blower fan, 56. belt pulley, 57. rotating disk, 58. throwing cylinder, 59. rotating sprocket, 60 hydraulic motors, 61. adjustment bracing wire, 62. guide plate.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing and embodiment.
A kind of middle-size and small-size self-propelled corncob and stalk corn combined harvester, as shown in Figure 1 to Figure 3, comprise the chassis 8 of walking, the chassis 8 of walking is provided with the upper strata ceding of Taiwan 1, lower floor's ceding of Taiwan 3, driver's cabin 7, ear forwarder 10, engine 12, grass box 14, tanker 18, fuel tank 22, thumb wheel assembly, stalk feeding unit, spinner 9; The ceding of Taiwan 1 one ends in upper strata are articulated in upper header mount pad 4 upper and lower ends and are connected with the lower floor ceding of Taiwan 3 by upper strata ceding of Taiwan oil cylinder 2; Lower floor's ceding of Taiwan is positioned at ceding of Taiwan below, upper strata, and an end is articulated in lower cutting table mount pad 6 upper and lower ends and is connected with the chassis 8 of walking by lower cutting table oil cylinder 5, and lower cutting table mount pad 6, upper header mount pad 4 weld with the chassis 8 of walking respectively; Ear forwarder 10 is arranged on driver's cabin 7 right sides, walking chassis 8 afterbodys are equipped with grass box 14 and tanker 18, grass box 14 passes on left that grass box rotating shaft 15 is hinged on grass box support 16, the right side is supported by grass box rotational fuel tank 17, tanker 18 right sides by tanker rotating shaft 19 be hinged on tanker support 20, the left side supported by tanker rotational fuel tank 21; Below tanker 18 and grass box 14, fuel tank 22 is installed; Stubble cleaner 13 is located at the rear lower on walking chassis 7, thumb wheel assembly, stalk feeding unit, spinner, described thumb wheel assembly, stalk feeding unit, spinner and walking 8 anterior connections of chassis.
Lower floor's ceding of Taiwan 3 comprises lower floor's header frame 26 and cutter mill 28, and lower floor's header frame 26 is connected with the chassis 8 of walking, and lower floor's header frame 26 is provided with reciprocating cutterbar 23, and reciprocating cutterbar 23 is arranged on the frame front end; Be respectively equipped with thumb wheel assembly 24, cane conveying screw feeder 25, cane feeding unit 27 after reciprocating cutterbar 23.
The thumb wheel assembly comprises thumb wheel sprocket wheel 29, the left spindle nose 30 of thumb wheel, band boss circular seat bearing 31, left roller 33, central shaft bearing 34, the right roller 35 of dialling dialled, wherein thumb wheel sprocket wheel 29 is connected with left spindle nose 30, left spindle nose, right spindle nose are welded on respectively left dial roller 33, right dialling on roller 35, left spindle nose, right spindle nose are connected with screw feeder side plate 32 by band boss circular seat bearing 31, screw feeder side plate 32 is connected with the chassis 8 of walking, and it is middle by 34 connections of central shaft bearing that roller 35 is dialled on left group roller 33, the right side.
the stalk feeding unit mainly comprises front feeding roller 36, middle feeding roller 45, rear feeding roller 46, front feeding roller 36 be connected feeding roller 45 and connect by front rod 37, middle feeding roller 45 be connected feeding roller 46 and connect by intermediate connecting rod 39, rear feeding roller 46 is fixed on back shaft 48 by back link 41, back shaft 48 is welded on feeding side plate 47, feeding side plate 47 is connected with the chassis 8 of walking, mechanism's power is by universal joint 44 inputs, one power passes to sprocket wheel III 42 through sprocket wheel IV 43, give front feeding roller with transmission of power, another strand power passes to sprocket wheel II 40 through sprocket wheel I 38, power is reached rear feeding roller 46.
Described stalk feeding unit is connected with the feeding roller floating installation, described feeding roller floating installation comprises spring I 49, spring II 50, spring III 51, its medi-spring I 49 upper ends are articulated in front rod 37 upper and lower ends and are articulated on lower floor's header frame 26, spring II 50 upper ends are articulated in intermediate connecting rod 39 upper and lower ends and are articulated on lower floor's header frame 26, and spring III 51 1 ends are articulated on back link 41, the other end is articulated on lower floor's header frame 26.
described spinner mainly comprises tube connector 52, spinner shell 54, blower fan 55, throwing cylinder 58, guide plate 62, belt pulley 56, adjust bracing wire 61, guide plate 62, wherein tube connector 52 1 ends are connected with spinner shell 54, and coordinate with the fan shaft position of blower fan 55, tube connector 52 other ends are connected with the cutter mill outlet of the lower floor ceding of Taiwan 3 by transition conduit, belt pulley 56 is arranged on blower fan one end, transferring power, spinner shell 54 bottoms are connected with the chassis 8 of walking by bracing frame 53, top is connected with throwing cylinder 58, be provided with rotating disk 57 between spinner shell 54 and throwing cylinder 58, hydraulic motor 60, hydraulic motor 60 is connected with rotating disk 57 by rotating sprocket 59, thereby driving rotating disk 57 rotates, realize turning to of throwing cylinder, throwing cylinder 58 ends are provided with guide plate 62, guide plate 62 is connected with adjustment bracing wire 61, adjust the jet length of forage by adjusting bracing wire 61.
Operation principle of the present invention is: fruit ear is taken in the upper strata ceding of Taiwan 1, and the fruit ear of taking directly enters tanker 18 through ear forwarder 10.In the time of harvesting, reciprocating cutterbar 23 is having fast shut-off under bearing state with milpa.Stalk after cut-out is dumped into cane and carries screw feeder 25 under thumb wheel 24 effects, carry screw feeder blade to deliver to cane feeding unit 27 to the centre collection through the different cane of rotation direction, when the cane feed quantity increases, three feeding rollers overcome spring pressure separately, increase feeding gap, thereby the feed quantity of increasing stalk are when feed quantity reduces, under the pulling force of spring, roller recovers original position; When cane is delivered to cutter mill 28 after the broken joint of multistage feeding roller, the cane of chopping is thrown to spinner 9, and blower fan 55 is injected into grass box 14 after cane is after a step accelerates.Like this, just completed whole stalk recovery operation.
Although above-mentionedly by reference to the accompanying drawings the invention embodiment is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.

Claims (7)

1. one kind middle-size and small-size self-propelled corncob and stalk corn combined harvester, comprise the chassis of walking, it is characterized in that, the chassis of walking is provided with the upper strata ceding of Taiwan, lower floor's ceding of Taiwan, driver's cabin, ear forwarder, engine, grass box, tanker, fuel tank, thumb wheel assembly, stalk feeding unit, spinner; The ceding of Taiwan one end in upper strata is articulated in upper header mount pad upper and lower end and is connected with the lower floor ceding of Taiwan by upper strata ceding of Taiwan oil cylinder; Lower floor's ceding of Taiwan is positioned at ceding of Taiwan below, upper strata, and an end is articulated in lower cutting table mount pad upper and lower end and is connected with the chassis of walking by the lower cutting table oil cylinder, and lower cutting table mount pad, upper header mount pad are connected with the chassis of walking respectively; Described thumb wheel assembly, stalk feeding unit, spinner and walking anterior connection of chassis.
2. middle-size and small-size self-propelled corncob and stalk corn combined harvester as claimed in claim 1, it is characterized in that, described ear forwarder is arranged on the driver's cabin right side, grass box and tanker are located at the chassis afterbody of walking, grass box passes on left that the grass box rotating shaft is hinged on the grass box support, the right side is supported by the grass box rotational fuel tank, the tanker right side by the tanker rotating shaft be hinged on the tanker support, the left side supported by the tanker rotational fuel tank; Below tanker and grass box, fuel tank is installed.
3. middle-size and small-size self-propelled corncob and stalk corn combined harvester as claimed in claim 1, it is characterized in that, the ceding of Taiwan of described lower floor comprises lower floor's header frame and cutter mill, lower floor's header frame is connected with the chassis of walking, lower floor's header frame is provided with reciprocating cutterbar, and reciprocating cutterbar is arranged on the frame front end; Be respectively equipped with thumb wheel assembly, cane conveying screw feeder, cane feeding unit after reciprocating cutterbar.
4. middle-size and small-size self-propelled corncob and stalk corn combined harvester as claimed in claim 1, it is characterized in that, described thumb wheel assembly comprises thumb wheel sprocket wheel, the left spindle nose of thumb wheel, band boss circular seat bearing, left roller, central shaft bearing, the right roller of dialling dialled, wherein the thumb wheel sprocket wheel is connected with left spindle nose, left spindle nose, right spindle nose are welded on respectively left dial roller, right dialling on roller, left spindle nose, right spindle nose are connected with the screw feeder side plate by band boss circular seat bearing, the screw feeder side plate is connected with the chassis of walking, and it is middle by the connection of central shaft bearing that roller is dialled on left group roller, the right side.
5. middle-size and small-size self-propelled corncob and stalk corn combined harvester as claimed in claim 1, it is characterized in that, described stalk feeding unit mainly comprises front feeding roller, middle feeding roller, rear feeding roller, front feeding roller be connected feeding roller and connect by front rod, middle feeding roller be connected feeding roller and connect by intermediate connecting rod, rear feeding roller is fixed on back shaft by back link, back shaft is welded on the feeding side plate, the feeding side plate is connected with the chassis of walking, mechanism's power is inputted by universal joint, one power passes to the sprocket wheel III through the sprocket wheel IV, give front feeding roller with transmission of power, another strand power passes to the sprocket wheel II through the sprocket wheel I, power is reached rear feeding roller.
6. middle-size and small-size self-propelled corncob and stalk corn combined harvester as claimed in claim 5, it is characterized in that, described stalk feeding unit is connected with the feeding roller floating installation, described feeding roller floating installation comprises spring I, spring II, spring III, its medi-spring I upper end is articulated in the front rod upper and lower end and is articulated on lower floor's header frame, spring II upper end is articulated in the intermediate connecting rod upper and lower end and is articulated on lower floor's header frame, and spring III one end is articulated on back link, the other end is articulated on lower floor's header frame.
7. middle-size and small-size self-propelled corncob and stalk corn combined harvester as claimed in claim 1, it is characterized in that, described spinner mainly comprises tube connector, the spinner shell, blower fan, the throwing cylinder, guide plate, belt pulley, adjust bracing wire, guide plate, wherein tube connector one end is connected with the spinner shell, and coordinate with the fan shaft position of blower fan, the tube connector other end is connected with the cutter mill outlet of the lower floor ceding of Taiwan by transition conduit, belt pulley is arranged on blower fan one end, transferring power, spinner shell bottom is connected with the chassis of walking by bracing frame, top is connected with the throwing cylinder, be provided with rotating disk between spinner shell and throwing cylinder, hydraulic motor, hydraulic motor is connected with rotating disk by rotating sprocket, thereby drive dial rotation, realize turning to of throwing cylinder, throwing cylinder end is provided with guide plate, guide plate is connected with the adjustment bracing wire, adjust the jet length of forage by adjusting bracing wire.
CN201310064490.7A 2013-02-28 2013-02-28 Small and medium size self-propelled corncob-stem both-gaining corn combine harvester Active CN103098614B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105123114A (en) * 2015-08-27 2015-12-09 潍坊学院 Full-hydraulic drive layered corn combined harvester
CN105493740A (en) * 2016-01-18 2016-04-20 山东省农业机械科学研究院 Full floating feeding and chopping device, method and harvester for corn straw
CN106385953A (en) * 2016-02-18 2017-02-15 富锦市立兴植保机械制造有限公司 High-clearance corn-paternal-parent-removing ensilage harvesting machine
CN108307786A (en) * 2015-12-17 2018-07-24 湘潭智联技术转移促进有限责任公司 Harvester
CN109005892A (en) * 2018-07-30 2018-12-18 山东国丰机械有限公司 A kind of self-propelled ear-stem harvester for maize

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CN102523827A (en) * 2012-01-16 2012-07-04 山东省农业机械科学研究所 Corn combine harvester for both ears and stalks
CN202679992U (en) * 2012-04-23 2013-01-23 山东理工大学 Corn harvester capable of harvesting ear and stalk
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US4583354A (en) * 1985-01-18 1986-04-22 Kracl Norman P Corn harvester combine assembly with corn removal attachment
DE3814036A1 (en) * 1988-04-26 1989-11-09 Claas Ohg HARVESTER
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JP4758854B2 (en) * 2006-09-06 2011-08-31 株式会社クボタ Combine
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CN102257907A (en) * 2011-07-01 2011-11-30 青岛豪特农机制造有限公司 Detachably storing, top supporting and synchronously crushing self-walking spike and stem harvesting corn harvester
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105123114A (en) * 2015-08-27 2015-12-09 潍坊学院 Full-hydraulic drive layered corn combined harvester
CN108307786A (en) * 2015-12-17 2018-07-24 湘潭智联技术转移促进有限责任公司 Harvester
CN105493740A (en) * 2016-01-18 2016-04-20 山东省农业机械科学研究院 Full floating feeding and chopping device, method and harvester for corn straw
CN106385953A (en) * 2016-02-18 2017-02-15 富锦市立兴植保机械制造有限公司 High-clearance corn-paternal-parent-removing ensilage harvesting machine
CN109005892A (en) * 2018-07-30 2018-12-18 山东国丰机械有限公司 A kind of self-propelled ear-stem harvester for maize

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