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WO2016017676A1 - Moissonneuse - Google Patents

Moissonneuse Download PDF

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Publication number
WO2016017676A1
WO2016017676A1 PCT/JP2015/071473 JP2015071473W WO2016017676A1 WO 2016017676 A1 WO2016017676 A1 WO 2016017676A1 JP 2015071473 W JP2015071473 W JP 2015071473W WO 2016017676 A1 WO2016017676 A1 WO 2016017676A1
Authority
WO
WIPO (PCT)
Prior art keywords
sprocket
auger
torque limiter
receiver
passive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2015/071473
Other languages
English (en)
Japanese (ja)
Inventor
中山法和
阿部大介
窪田昭彦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yanmar Co Ltd
Original Assignee
Yanmar Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2014154087A external-priority patent/JP2016029926A/ja
Priority claimed from JP2014240405A external-priority patent/JP6312582B2/ja
Priority claimed from JP2014249141A external-priority patent/JP6371208B2/ja
Application filed by Yanmar Co Ltd filed Critical Yanmar Co Ltd
Priority to CN201580041829.9A priority Critical patent/CN106572635A/zh
Publication of WO2016017676A1 publication Critical patent/WO2016017676A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D57/00—Delivering mechanisms for harvesters or mowers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D57/00—Delivering mechanisms for harvesters or mowers
    • A01D57/01—Devices for leading crops to the mowing apparatus
    • A01D57/02—Devices for leading crops to the mowing apparatus using reels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H35/00—Gearings or mechanisms with other special functional features
    • F16H35/10—Arrangements or devices for absorbing overload or preventing damage by overload

Definitions

  • the present invention relates to a harvesting machine, and more particularly, to a harvesting machine in which a cutting unit has a torque limiter function (overload prevention function).
  • the torque limiter limit torque that is, the trade-off balance
  • the torque limiter limit torque is the field. It can be changed flexibly in the field. For example, it is possible to deal with a wide range of field conditions such as a field where large foreign matters such as coconut are scattered, a field where there is a fallen rice, or a work condition such as an operator's operation technique and work speed.
  • the limit torque of the torque limiter adapted to the preference of each operator (user) can be set, and the harvesting work efficiency can be improved.
  • the function as a torque limiter can be ensured, and it is possible to prevent an excessive torque from acting on the peripheral parts and to prevent the peripheral parts from being damaged.
  • the shear pin since the shear pin is fitted and fixed in the shear pin insertion recess from the outside, the shear pin can be easily attached. That is, the replacement work of the cut shear pin and the new shear pin can be easily performed without a special tool. Therefore, the setting torque can be easily changed anywhere, and the trade-off balance of the torque limiter can be appropriately maintained.
  • invention of Claim 6 is invention of Claim 5, Comprising:
  • the sprocket receiving body and the passive sprocket are formed by aligning the insertion holes that open in the axial direction of the rotation support shaft, respectively, and bolts are inserted into the alignment insertion holes so that the rotation direction of the bolt axis and the rotation support shaft.
  • bolts are inserted into the alignment insertion holes so that the rotation direction of the bolt axis and the rotation support shaft.
  • One or a plurality of insertion holes are formed at intervals in the circumferential direction and / or the radial direction about the axis of the rotation support shaft.
  • the protruding piece of the scraper since the protruding piece of the scraper is inclined to the left side and / or the right side in the front view, the stalk crop collected in the cutting stalk collection space stands upright. Even in the posture or the recumbent posture, the protruding pieces in the inclined posture are engaged with each other in a wide and steady manner in the right and left directions. Therefore, regardless of the posture of the stem and culm crops gathered in the harvesting stalk and culm collection space, the stalk and culm crops are smoothly and reliably squeezed into the feeder house by the scraping fingers and the scraped body. . As a result, it is possible to prevent stalk and stalk crops from staying in the cut stalk and culm collection space.
  • the projecting piece is provided with a receding angle with respect to the rotation direction of the auger body, the operating angle of each projecting piece when acting on the stem-and-crops crop is an acute angle, It is possible to prevent the stem and stalk crop from being wound around each protruding piece.
  • the invention according to claim 11 is the invention according to any one of claims 8 to 10,
  • the protruding piece of the scraper is characterized in that the protruding height protruding from the outer peripheral surface of the auger body is set lower than the protruding height of the left and right spiral conveying pieces.
  • the mowing unit 2 includes a rectangular cylindrical feeder house 19 having an axis line in the front-rear direction, a horizontally long bucket-shaped grain header 21 that communicates with the front end opening 20 of the feeder house 19, and a front lower end edge of the grain header 21.
  • the clipper-shaped cutting blade device 3 disposed in the section, a pair of left and right weed bodies 22 and 22 formed by extending forward from the front left and right side portions of the grain header 21, and disposed in front of the grain header 21
  • the scraping reel 23 is provided.
  • the cutting unit 2 is raised to a desired ground height (a cutting position of the culm that is napped), and the traveling machine body 1 is driven in that state.
  • the cereal that is napped is weeded by the weeds 22 and 22.
  • the tip part of the cereal that has been weeded is cut by the cutting blade device 3 from the middle part of the cereal while being scraped by the scraping reel 23.
  • the tip side portion of the corn that has been cut at a desired cutting position is scraped into the grain header 21 by the scraping auger 26 and supplied to the threshing section 12 through the feeder house 19 by the supply conveyor 25.
  • the tip side part of the cereal supplied to the threshing unit 12 is threshed by the threshing unit 12, and the grain threshed by the threshing unit 12 is subjected to a sorting process by the sorting unit 13.
  • the grain (clean grain) subjected to the sorting process by the sorting unit 13 is stored in the grain storage unit 16.
  • the grain stored in the grain storage unit 16 is appropriately carried out of the machine by the grain carrying-out unit 17.
  • the sawdust etc. which were separated from the grain by the threshing unit 12 are discharged from the dust outlet 14 to the field outside the machine.
  • the cutting stalk gathering space 31 is formed to be positioned immediately before the front end opening 20 of the feeder house 19 and is aligned with the front end opening 20 in the front-rear direction.
  • the front end opening 20 is a communication port through which the grain header 21 and the feeder house 19 communicate.
  • the retracting mechanism 32 is operated in conjunction with the pivoting operation of the auger body 28 to cause the take-up fingers 33 to protrude from the auger body 28 at the upper peripheral surface and the front surface of the auger main body 28, and In the lower part of the peripheral surface and the rear part of the peripheral surface, the take-in finger 33 is operated to be immersed in the auger body 28. At this time, the take-in finger 33 protrudes to the maximum extent from the auger body 28 at a position facing forward, and is inserted into the auger body 28 at a position facing backward.
  • each of the scraping fingers 33 projecting from the pivoting auger body 28 acts to cross the cutting stalks gathered in the cutting stalk gathering space 31 and further lowers the cutting stalks further downward. Is rotated and moved rearward, and a cutting pedicle stick is scraped into the feeder house 19 from the front end opening 20.
  • the take-in auger 26 is rotated clockwise in FIG. 6 which is a right side perspective view.
  • the maximum protruding width of the scraping finger 33 protruding from the peripheral surface of the auger body 28 is slightly larger than the protruding width of the left and right spiral conveying pieces 29 and 30 protruding from the peripheral surface of the auger body 28. .
  • the take-in auger 26 is laid horizontally via a rotation support shaft 27 so as to be rotatable around a horizontal axis.
  • a sprocket receiver 34 which is formed in the shape of a bowl by projecting in the radial direction, is concentrically attached to the rotary support shaft 27, and the outer peripheral end surface of the sprocket receiver 34 is a concentric arc surface.
  • An auger passive sprocket 35 which is a passive sprocket having a fitting hole 35b concentric with the outer peripheral end face of the sprocket receiver 34 at the center, is fitted through the fitting hole 35b and the auger passive.
  • a shear pin S ⁇ b> 1 as a member to be sheared with the axis line directed in the radial direction of the rotation support shaft 27 is interposed.
  • a shear force in the rotational direction of the auger passive sprocket 35 acts on the shear pin S1 in the middle thereof.
  • a shear pin insertion recess 41 that extends straight in the radial direction of the rotation support shaft 27 in the radial direction of the rotation support shaft 27 is formed at the peripheral portion of the sprocket receiver 34 and the peripheral portion of the fitting hole 35b of the auger passive sprocket 35. While forming so that it may straddle, the shear pin insertion concave part 41 is formed by opening the outer side.
  • a shear pin S1 is fitted and fixed in the shear pin insertion recess 41 from the outside.
  • a plurality of shear pin insertion recess portions 41 are formed at intervals in the circumferential direction of the rotation support shaft 27 (four in this embodiment), and the shear pin S1 is inserted into one of the shear pin insertion recess portions 41. It is fixed. In this way, the torque limiter T1 as the first embodiment is configured.
  • the sprocket receiving body 34 includes a cylindrical shaft boss portion 34a externally fitted to the extending portion 27a, a sprocket receiving piece 34b formed in a circular hook shape by projecting in the radial direction from the inner side of the shaft boss portion 34a, and
  • the sprocket receiving piece 34b is formed from a passive sprocket receiving portion 34c formed in a stepped concave shape by bulging in the middle of the shaft boss portion 34a in a disc shape smaller than the sprocket receiving piece 34b.
  • the cover body 44 is formed with an outer fitting hole 45 for fitting on the extended portion 27a at the center, and covers the passive sprocket receiving portion 34c and the overhanging piece 43b via the outer fitting hole 45.
  • the extension part 27a is detachably fitted.
  • the limit torque of the torque limiter T1 can be set / changed by increasing / decreasing / changing the circumferential width (width adapted to the thickness of the inserted shear pin S1) and the number of the shear pin insertion recess 41. it can.
  • the limit torque (limit torque) of the torque limiter T1 is the product of the shearing force acting in the direction perpendicular to the axis of the shear pin S1 and the distance from the center of the rotation support shaft 27 to the position where the shearing force acts. There is something you can find in
  • the rotational force is transmitted to shaft 156 ⁇ second reel drive sprocket 153 ⁇ second reel transmission chain 155 ⁇ second reel passive sprocket 154 ⁇ reel support shaft 157 ⁇ scratching reel 23.
  • 160 is an eighth transmission mechanism cover that covers the eighth transmission mechanism 124
  • 161 is a ninth transmission mechanism cover that covers the ninth transmission mechanism 126
  • 162 is a cover that covers the tenth transmission mechanism 150 and the eleventh transmission mechanism 127. This is the tenth transmission mechanism cover.
  • a shear pin S1 is interposed so as to straddle the auger passive sprocket 35 and the sprocket receiver 34, and the shear pin S1 has a midway portion in the rotational direction of the auger passive sprocket 35. Therefore, the limit of the torque limiter T1 is limited by taking into consideration the overhang width of the sprocket receiver 34 formed in a bowl shape, that is, the shear position of the shear pin S1 and the shear strength of the shear pin S1. Torque can be set freely.
  • the limit torque of the torque limiter T1 that is, the trade-off balance
  • It can be changed flexibly in the field. For example, it is possible to deal with a wide range of field conditions such as a field where large foreign matters such as coconut are scattered, a field where there is a fallen rice, or a work condition such as an operator's operation technique and work speed.
  • the torque limiter of the torque limiter T1 As a result, it becomes possible to set the torque limiter of the torque limiter T1 adapted to the preference of each operator (user), and the harvesting work efficiency can be improved. And the function as torque limiter T1 can be ensured, it can avoid that an excessive torque acts on a peripheral component, and it can prevent that a peripheral component is damaged. Further, the shear strength of the shear pin S1 that connects the sprocket receiver 34 and the auger passive sprocket 35 is the shearing force of the connecting bolt and the force with which the connecting bolt is fastened as in the bolt shearing method that functions as the torque limiter T1. There is no need to consider the balance and complexity.
  • FIGS. 10 to 12 show a torque limiter T1A that is a modification of the torque limiter T1 as the first embodiment configured as described above.
  • the modified torque limiter T1A is basically configured in the same manner as the torque limiter T1 described above, but differs in configuration in the following points. That is, the extension portion side spline groove 27g is formed on the outer peripheral surface of the extension portion 27a of the rotation support shaft 27, while the receiver side spline groove 34e is formed on the inner peripheral surface of the sprocket receiver 34.
  • a boss part side sprocket groove 46 b is formed on the inner peripheral surface of the drive sprocket boss part 46.
  • outer periphery concentric circle C2 which is a concentric circle is virtually formed in the outer periphery of the inner periphery concentric circle C1, and the six 1st insertion holes 34g are formed on the outer periphery concentric circle C2 at equal intervals in the circumferential direction.
  • the bolt S2 has a desired strength (tensile strength or shear strength) or material, and the bolt S2 can be tightened with a desired tightening torque so that the frictional force of the bolt S2 is obtained.
  • the limit torque of the torque limiter T2 can be set / changed.
  • a plurality of first insertion holes 34g having different inner diameters are provided in advance in the sprocket receiving piece 34b and the auger passive sprocket 35 with a space in the circumferential direction and / or the radial direction around the axis of the rotation support shaft 27.
  • a second insertion hole 35c is formed, and a bolt S2 formed to have an outer diameter with which a desired strength can be obtained is adopted, and a first insertion hole 34g having an inner diameter adapted to the outer diameter of the selected bolt S2 and the first insertion hole 34g.
  • the limit torque of the torque limiter T2 can also be set / changed by selecting the two insertion holes 35c and inserting the bolts S2 adopted in the two insertion holes 34g and 35c.
  • the function of the torque limiter T2 can be changed by increasing or decreasing the number of bolts S2 arranged on the inner and outer concentric circles C1 and C2.
  • the limit torque can be increased by disposing a large number of bolts S2 on the outer peripheral concentric circle C2, while the limit torque can be decreased by disposing a small number of bolts S2 on the inner peripheral concentric circle C1.
  • the torque limiter T2 is configured by arranging a required number of bolts S2 at intervals in the circumferential direction and / or the radial direction around the axis of the rotation support shaft 27. And the limiting torque of this torque limiter T2 can be set by changing the number and arrangement positions of the bolts S2.
  • a shaft insertion opening 58 is formed in the central portion, and inner and outer finger adjustment plates 59, 60 are arranged so as to close the shaft insertion opening 58 from the inner side to the outer side.
  • a pair of elongated holes 61, 61 are formed in both finger adjusting plates 59, 60 through a left end portion of a finger adjusting shaft 27f, which will be described later, and extending in the vertical direction.
  • finger adjustment bolts 62a and finger adjustment pins 62b are inserted into both finger adjustment plates 59, 60.
  • the protruding piece 242 of the scraping body 40 is inclined leftward and / or rightward (leftward in the present embodiment) in a front view, the protruding piece 242 is wide in the left-right direction and can have a high protruding height. . For this reason, even if the stem and culm crops gathered in the cutting stalk and culm gathering space 31 are in the standing posture or the recumbent posture, the stalk and culm crops gathered in such a posture have the protruding pieces in the inclined posture. Engage steadily.
  • the modified scraper 40A has the same basic structure as the aforementioned scraper 40, but the left half of the six projecting portions 261 is parallel to the left side in a front view. It is different in that the tilt angle ⁇ 2 is tilted to provide the tilt angle ⁇ 2, while the tilt angle ⁇ 2 is tilted to the right in the parallel state.
  • the input shaft 130 of the hydraulic continuously variable transmission 102 is linked to the drive shaft 110 provided in the engine 18 via a twelfth transmission mechanism 129.
  • a cooling fan 132 is linked to the engine 18 via a fan drive shaft 131, and the fan drive shaft 131 is carried out in the grain storage part 16 and the grain carry-out part 17 via a conveyor transmission mechanism 133.
  • Conveyors 134 and 135 are linked and connected.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Outside Dividers And Delivering Mechanisms For Harvesters (AREA)

Abstract

L'invention concerne une moissonneuse qui est capable de modifier de façon flexible une limite de couple de limiteur de couple, essentiellement de modifier un équilibre de compromis, pour s'adapter aux champs cultivés sur le site. Une vis sans fin de ratissage est placée horizontalement de façon à pouvoir tourner vers la gauche et vers la droite par rapport à une ligne d'arbre par l'intermédiaire d'un arbre de support rotatif, l'arbre de support rotatif se verrouille et s'accouple avec un mécanisme de transmission de puissance par l'intermédiaire du limiteur de couple, et le limiteur de couple comprend : un récepteur de pignon, qui est fixé de façon concentrique à l'arbre de support rotatif et est de la forme d'une bride s'étendant vers l'extérieur dans la direction radiale ; un pignon passif, qui tourne en recevant une force de rotation du mécanisme de transmission de puissance ; et soit un seul élément soit une pluralité d'éléments de cisaillement, ledit élément de cisaillement étant fixé de manière amovible entre le récepteur de pignon et le pignon passif, et reliant le récepteur de pignon et le pignon passif. Lorsque l'élément de cisaillement subit un niveau de couple qui est supérieur ou égal à une valeur définie, l'élément de cisaillement subit un cisaillement et la connexion entre le récepteur de pignon et le pignon passif est coupée.
PCT/JP2015/071473 2014-07-29 2015-07-29 Moissonneuse Ceased WO2016017676A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201580041829.9A CN106572635A (zh) 2014-07-29 2015-07-29 收割机

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2014154087A JP2016029926A (ja) 2014-07-29 2014-07-29 収穫機
JP2014-154087 2014-07-29
JP2014240405A JP6312582B2 (ja) 2014-11-27 2014-11-27 コンバイン
JP2014-240405 2014-11-27
JP2014249141A JP6371208B2 (ja) 2014-12-09 2014-12-09 収穫機
JP2014-249141 2014-12-09

Publications (1)

Publication Number Publication Date
WO2016017676A1 true WO2016017676A1 (fr) 2016-02-04

Family

ID=55217574

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/071473 Ceased WO2016017676A1 (fr) 2014-07-29 2015-07-29 Moissonneuse

Country Status (2)

Country Link
CN (1) CN106572635A (fr)
WO (1) WO2016017676A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118923358A (zh) * 2024-08-31 2024-11-12 中国农业大学 一种变直径仿生犬爪趾-变螺距螺旋组合式旋抛装置及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004132439A (ja) * 2002-10-09 2004-04-30 Calsonic Kansei Corp 動力伝達装置及びその組立方法
JP2006349113A (ja) * 2005-06-17 2006-12-28 Kubota Corp 安全ピン取付け構造
JP2010051220A (ja) * 2008-08-27 2010-03-11 Yanmar Co Ltd 刈取収穫機
JP2014033671A (ja) * 2012-08-10 2014-02-24 Kubota Corp コンバイン

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101142927B1 (ko) * 2009-12-18 2012-05-11 대한민국(농촌진흥청장) 작물 수확용 예취 유닛 및 이를 갖는 수확기
CN201781778U (zh) * 2009-12-30 2011-04-06 上海坤孚企业(集团)有限公司 作物收割台用绞龙筒
CN202310612U (zh) * 2011-11-28 2012-07-11 江苏沃得农业机械有限公司 收割机割台绞龙抛送装置
JP2014124161A (ja) * 2012-12-27 2014-07-07 Iseki & Co Ltd コンバインの刈取前処理装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004132439A (ja) * 2002-10-09 2004-04-30 Calsonic Kansei Corp 動力伝達装置及びその組立方法
JP2006349113A (ja) * 2005-06-17 2006-12-28 Kubota Corp 安全ピン取付け構造
JP2010051220A (ja) * 2008-08-27 2010-03-11 Yanmar Co Ltd 刈取収穫機
JP2014033671A (ja) * 2012-08-10 2014-02-24 Kubota Corp コンバイン

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118923358A (zh) * 2024-08-31 2024-11-12 中国农业大学 一种变直径仿生犬爪趾-变螺距螺旋组合式旋抛装置及方法

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