WO2016035612A1 - Moissonneuse - Google Patents

Moissonneuse Download PDF

Info

Publication number
WO2016035612A1
WO2016035612A1 PCT/JP2015/073852 JP2015073852W WO2016035612A1 WO 2016035612 A1 WO2016035612 A1 WO 2016035612A1 JP 2015073852 W JP2015073852 W JP 2015073852W WO 2016035612 A1 WO2016035612 A1 WO 2016035612A1
Authority
WO
WIPO (PCT)
Prior art keywords
lever
operation lever
swing
steering
drive unit
Prior art date
Application number
PCT/JP2015/073852
Other languages
English (en)
Japanese (ja)
Inventor
平川順一
堀内真幸
乙宗拓也
松林智也
丸山純一
岡本秀三
森脇崇文
Original Assignee
株式会社クボタ
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 JP2014178281A external-priority patent/JP6280845B2/ja
Priority claimed from JP2014178268A external-priority patent/JP6280843B2/ja
Priority claimed from JP2014178269A external-priority patent/JP6280844B2/ja
Application filed by 株式会社クボタ filed Critical 株式会社クボタ
Priority to CN201910833037.5A priority Critical patent/CN110432005B/zh
Priority to KR1020177008556A priority patent/KR102422584B1/ko
Priority to CN201910833877.1A priority patent/CN110432006B/zh
Priority to CN201910833035.6A priority patent/CN110432004B/zh
Priority to CN201580046942.6A priority patent/CN106793755B/zh
Publication of WO2016035612A1 publication Critical patent/WO2016035612A1/fr
Priority to PH12017500362A priority patent/PH12017500362B1/en

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D67/00—Undercarriages or frames specially adapted for harvesters or mowers; Mechanisms for adjusting the frame; Platforms
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers

Definitions

  • the present invention relates to a harvesting machine that includes an operation lever that can be swung in the front-rear direction and the left-right direction so that the traveling machine body can be steered and the cutting unit can be lifted and lowered.
  • the harvesting machine including the operation lever that can be swung in the front-rear direction and the left-right direction
  • the operation lever capable of swinging in the front-rear direction and the left-right direction
  • a potentiometer for detecting the operation amount of the operation lever in the left-right direction and a potentiometer for detecting the operation amount in the front-rear direction are provided.
  • the steering drive part which can steer the advancing direction of a traveling body to the left-right direction is operated, or the raising / lowering drive part which can drive a raising / lowering part is operated.
  • Each is equipped with a common linkage mechanism. And it is comprised so that the steering operation of a body may be performed by the left-right direction operation of an operation lever, and the raising / lowering operation of a cutting part may be performed by the front-back direction operation of an operation lever (for example, refer patent document 2).
  • a mechanical linkage mechanism that includes an operation lever that can swing in the front-rear direction and the left-right direction, and that transmits the left-right operation of the operation lever to the steering valve, and a machine that transmits the front-rear operation to the lift control valve
  • Each is equipped with a common linkage mechanism. And it is comprised so that the steering operation of a body may be performed by the left-right direction operation of an operation lever, and the raising / lowering operation of a mowing part may be performed by the front-back direction operation of an operation lever (for example, refer patent document 2).
  • a mechanical linkage mechanism having an operation lever capable of swinging in the front-rear direction and the left-right direction, a mechanical linkage mechanism for transmitting the left-right direction operation of the operation lever to the steering valve, and a machine for transmitting the front-rear direction operation to the lift control valve Each is equipped with a common linkage mechanism. And it is comprised so that the steering operation of a body may be performed by the left-right direction operation of an operation lever, and the raising / lowering operation of a mowing part may be performed by the front-back direction operation of an operation lever (for example, refer patent document 2).
  • Japanese Laid-Open Patent Publication No. 2003-095116 JP -02003-095116 A
  • Japanese Laid-Open Patent Publication No. 09-205852 JP09H09-205852 A
  • the operation amount of the operation lever is not detected using a potentiometer, but via a mechanical linkage mechanism such as a link or a rod that interlocks with the swing operation of the operation lever.
  • a mechanical linkage mechanism such as a link or a rod that interlocks with the swing operation of the operation lever.
  • the steering drive unit and the lift drive unit are operated, which is useful in that it can be easily linked with a relatively simple structure.
  • the operating range of the operating lever is limited by contact with a member provided separately from the mechanical linkage mechanism of the operating lever, such as a guide groove provided on the panel surface of the control tower. It will be.
  • the support structure of the operation lever is effectively used to reduce the operation range of the operation lever. It is intended to make the regulation relatively accurate.
  • the steering drive unit and the lift drive unit are operated via a mechanical linkage mechanism such as a link or a rod linked with the swing operation of the operation lever.
  • a mechanical linkage mechanism such as a link or a rod linked with the swing operation of the operation lever.
  • the present invention provides an operation linkage mechanism between the operation lever and the steering drive unit and the lift drive unit in order to accurately operate the steering drive unit and the lift drive unit based on the swing operation of the operation lever. It is intended to obtain a harvesting machine having a structure in which the operation lever can be easily assembled with the steering drive unit and the lift drive unit.
  • the operation amount of the operation lever is not detected using a potentiometer, but via a mechanical linkage mechanism such as a link or a rod that interlocks with the swing operation of the operation lever.
  • a mechanical linkage mechanism such as a link or a rod that interlocks with the swing operation of the operation lever.
  • the steering drive unit and the lift drive unit are operated, which is useful in that it can be easily linked with a relatively simple structure.
  • the operating range of the operating lever is limited by contact with a member provided separately from the mechanical linkage mechanism of the operating lever, such as a guide groove provided on the panel surface of the control tower. It will be.
  • the support structure of the operation lever is effectively used to reduce the operation range of the operation lever. It is intended to make the regulation relatively accurate.
  • the harvesting machine includes an operation lever capable of swinging in the front-rear direction and the left-right direction, a steering drive unit capable of steering the traveling direction of the traveling machine body in the left-right direction, and a cutting unit for the traveling machine body And an operation linkage mechanism that transmits a swing operation of the operation lever to the steering drive unit and the elevation drive unit.
  • the operation linkage mechanism includes the operation lever and the operation lever.
  • a steering unit that links the direction drive unit, and a lifting unit that links the operation lever and the lifting drive unit.
  • the steering unit and the lifting unit are each configured to swing the operation lever.
  • An output operation body for transmitting to the steering drive unit or the lift drive unit is provided, and the steering drive unit or the lift drive unit is preset in the steering unit and / or the lift unit.
  • the output operation body moves integrally following the swing operation of the operation lever, and the steering drive unit or the elevating drive unit is operable.
  • the operation lever is operated in a direction in which the steering drive unit or the elevation drive unit is shifted to a side outside the operable range, the operation lever
  • the output operating body is configured to be in a state in which the operating lever is allowed to swing independently without following up integrally.
  • the operation position of the steering drive unit or the lift drive unit is maintained at that position, and only the operation lever is maintained.
  • the operation of the steering drive unit or the lift drive unit can be controlled in accordance with the operation amount of the operation lever until the steering drive unit or the lift drive unit reaches the operation limit of the operable range.
  • the structure can be easily constructed without the need for high-precision manufacturing and assembly so that the entire operating range can be accurately matched between the operation lever side and the steering drive unit or the lift drive unit side. There are benefits that can be done.
  • the steering unit and / or the lifting unit, or both is provided with a flexible linkage mechanism between the operation lever and the output manipulation member, and the flexible manipulation mechanism causes the output manipulation member to be A state in which the operation lever moves integrally following the swing operation of the operation lever, and the output operation body does not follow the operation lever integrally and allows the swing operation of the operation lever alone. The status is displayed.
  • the interchangeable mechanism provided between the operation lever and the output operation body allows the output operation body to move integrally following the swing operation of the operation lever, and the operation lever alone. A state in which the swinging operation is permitted appears. Therefore, there is an advantage that it is easy to handle by assembling in a state in which the accommodation linkage mechanism is incorporated in the operation system between the operation lever and the output operation body.
  • the accommodation linkage mechanism includes an elastic body that transmits the swing operation of the operation lever to the output operation body.
  • the structure can be easily configured using an elastic body as a flexible linkage mechanism.
  • the elastic body is configured to drive the steering when the steering unit operates the steering drive unit to the operating limit, or when the lifting unit operates the lifting drive unit to the operating limit.
  • the raising / lowering drive unit is configured to be elastically deformable so as to allow the swinging operation of the operation lever alone in the same direction as the operation limit.
  • the elastic body of the accommodation linkage mechanism is configured such that when the steering unit operates the steering drive unit to the operating limit, or when the lifting unit operates the lifting drive unit to the operating limit, the operation lever alone is used. Therefore, there is an advantage that it can be used conveniently by selecting an elastic coefficient suitable for recognizing that the operation is outside the respective operation limits.
  • the output operation body is provided so as to be swingable about a swing axis of the operation lever and coaxial with the operation lever.
  • the operation bracket provided to swing integrally with the operation bracket and the output operation body swinging about the same axis as the operation bracket are connected via the elastic body.
  • the flexible linkage mechanism has a relatively compact structure because it only needs to be provided across the operation lever and the output operation body, with the operation range overlapping around the coaxial center at positions close to each other. There is an advantage that it is easy to adopt.
  • a shaft support member that swingably supports the operation lever is provided, and the output operation body is swingable relative to the shaft support member about the same axis as the swing axis of the operation lever.
  • the operation bracket is supported so as to swing integrally with the shaft support member, and the elastic body is provided across the locking body provided in the operation bracket and the output operation body.
  • the output bracket can be operated via the elastic body by directly operating the operation bracket by swinging the control lever.
  • the output operation body in the steering unit and / or the lifting unit, includes a cylindrical shaft portion that is externally fitted to a pivot shaft that supports the operation lever, and the cylindrical shaft portion.
  • a plate-like rocking plate portion mounted integrally, a spring locking portion is provided on the rocking plate portion, and a coil spring as the elastic body is wound around the outer periphery of the cylindrical shaft portion.
  • the respective end portions on both end sides of the coil spring are positioned in a state of being distributed to both sides in the swing movement direction of the locking body and the spring locking portion.
  • the spring engagement portion formed on the swing plate portion and the engagement body can be used to accommodate the operation lever.
  • the structure for outputting the operation force through the operation linkage mechanism including the linkage mechanism can be easily configured.
  • an operation wire for transmitting an operation force to the steering drive unit or the lift drive unit is connected to the side of the swing plate portion opposite to the side where the spring locking portion is provided.
  • the operation wire can be arranged using the space on the side opposite to the side where the spring locking portion is provided in the swing plate portion of the output operation body.
  • a lever support frame is attached to the airframe fixing portion, and the pivot support member is attached to the lever support frame in one of the front-rear direction and the left-right direction of the operation lever,
  • the control lever is supported so as to be swingable around any one of the swing shafts in the other direction of the front-rear direction and the left-right direction.
  • the lever support frame is provided with a first restricting portion that restricts the allowable swing range of the operation lever at a predetermined angle range.
  • the restricting portion that restricts the swing range of the operation lever within a predetermined range has a swing axis in one direction among the front-rear direction and the left-right direction of the operation lever, or a swing axis in the other direction. It is formed in the lever support frame itself for supporting the provided shaft support member. Therefore, it is easy to accurately correspond the swinging operation amount of the operation lever and the operation amount by the operation linkage mechanism, and a large amount of time is required for the alignment work, such as when the restricting portion is provided at a location different from the lever support frame. The necessary trouble can be avoided. In addition, there is also an advantage that the structure can be easily configured by effectively using the lever support frame, the second rotating portion, etc., which is the operation linkage mechanism itself.
  • the first restricting portion is configured by a contact portion that abuts on the operating lever or a member that swings integrally with the operating lever and restricts the swing operating range of the operating lever. Yes.
  • the swinging operation range of the operation lever can be limited by the operation lever or the member that swings integrally with the operation lever and the contact portion that regulates the swing operation range of the operation lever.
  • the shaft support member includes a first rotating portion having a pivot axis in one direction among the front-rear direction and the left-right direction of the operation lever, and the front-rear direction and the left-right direction of the operation lever. And a second pivot part having a pivot axis in the other direction, and the pivot support member pivotally supports the lever support frame via the first pivot part or the second pivot part.
  • the swinging allowable range of the operating lever around the swinging axis of the second rotating part or the first rotating part on the side not pivotally supported by the lever support frame is within a predetermined angle range.
  • the shaft support member is provided with a second restricting portion that restricts to the above.
  • the second restricting portion is provided on the shaft support member itself, the swinging of the second rotating portion or the first rotating portion on the side of the operation lever that is not pivotally supported by the lever support frame.
  • the structure for regulating the swinging range around the shaft center can be configured simply by using the shaft support member itself.
  • the second restricting portion is formed on the side of the operating lever that is not pivotally supported by the lever support frame from the pivot axis of the second rotating portion or the first rotating portion.
  • the swing operation range of the locking operation body provided at a position distant from the body direction is constituted by a concave groove portion that limits the rocking operation range within a predetermined range, and the concave groove portion is formed by the locking according to the swing of the operation lever.
  • a contact portion that comes into contact with the locking operation body at both ends in the moving direction of the operation body is provided.
  • the locking operation body provided at a position where the second restricting portion is separated from the swing axis of the first rotating portion in the slimming direction of the operating lever, and the swing operation of the locking operation body
  • the structure is simply configured by the contact portion provided in the groove portion that limits the range within a predetermined range.
  • the harvesting machine includes an operation lever that can be swung in the front-rear direction and the left-right direction, a steering drive unit that can steer the traveling direction of the traveling machine body in the left-right direction, and a cutting unit for the traveling machine body And an operation linkage mechanism that transmits a swing operation of the operation lever to the steering drive unit and the elevation drive unit.
  • the operation linkage mechanism includes the operation lever and the operation lever.
  • a steering unit that links the direction drive unit, and a lifting unit that links the operation lever and the lifting drive unit.
  • the steering unit and the lifting unit are each configured to swing the operation lever.
  • An output operation body for transmitting to the steering drive unit or the lift drive unit is provided, and the operation position of the operation lever is within a predetermined region in the steering unit and / or the lift unit. Or if the operating resistance acting on the output operating body is within a predetermined range, the output operating body moves integrally following the swing operation of the operating lever, and the operating position is When the predetermined region is exceeded or the operation resistance exceeds the predetermined range, the output operation body does not follow the operation lever integrally, and the operation lever is allowed to swing independently. It is comprised so that it may be in a state to do.
  • the output The operating body is configured to move integrally following the swing operation of the operating lever.
  • the movement of the output operating body becomes a movement linked to the swing operation of the operation lever, and the swing operation of the operation lever is transmitted to the steering drive unit and the lift drive unit with high accuracy.
  • the output operation body is integrated with the operation lever. Therefore, the operation lever does not follow, and the operation lever is allowed to swing independently.
  • the steering unit or the lifting unit is configured so that the swinging operation range of the control lever and the operating range of the steering drive unit and the lifting drive unit are completely matched. It is extremely difficult to prevent the manufacturing process errors and the assembly errors thereof. Therefore, the swing operation range on the operation lever side is not restricted with high accuracy, but the operation range of the steering drive unit and the lifting drive unit is given priority, and the steering drive is within the swing operation range of the operation lever.
  • the steering drive unit and the lift drive unit are linked only within the range that overlaps the operation range of the drive unit and the lift drive unit, and the movement of the operation lever outside the range affects the operation of the steering drive unit and the lift drive unit. I try not to. As a result, it was possible to simplify the assembly of the steering unit or the lifting unit including the operating lever, the steering drive unit, and the lifting drive unit while accurately operating the steering drive unit and the lifting drive unit by the operation lever. Is.
  • the steering unit and / or the lifting unit, or both is provided with a flexible linkage mechanism between the operation lever and the output manipulation member, and the flexible manipulation mechanism causes the output manipulation member to be A state in which the operation lever moves integrally following the swing operation of the operation lever, and the output operation body does not follow the operation lever integrally and allows the swing operation of the operation lever alone. The status is displayed.
  • the interchangeable mechanism provided between the operation lever and the output operation body allows the output operation body to move integrally following the swing operation of the operation lever, and the operation lever alone. A state in which the swinging operation is permitted appears. Therefore, there is an advantage that it is easy to handle by assembling in a state in which the accommodation linkage mechanism is incorporated in the operation system between the operation lever and the output operation body.
  • the accommodation linkage mechanism includes an elastic body that transmits the swing operation of the operation lever to the output operation body.
  • the structure can be easily configured using an elastic body as a flexible linkage mechanism.
  • the elastic body is configured such that when the steering unit operates the steering drive unit to the operating limit, or when the lifting unit operates the lifting drive unit to the operating limit, It is configured to be elastically deformable so as to allow a single swing operation.
  • the elastic body of the accommodation linkage mechanism is configured such that when the steering unit operates the steering drive unit to the operating limit, or when the lifting unit operates the lifting drive unit to the operating limit, the operation lever alone is used. Therefore, there is an advantage that it can be used conveniently by selecting an elastic coefficient suitable for recognizing that the operation is outside the respective operation limits.
  • the output operation body is provided so as to be swingable about a swing axis of the operation lever,
  • An operation bracket provided so as to swing integrally with the operation lever is connected via the elastic body.
  • the flexible linkage mechanism has a relatively compact structure because it only needs to be provided across the operation lever and the output operation body, with the operation range overlapping around the coaxial center at positions close to each other. There is an advantage that it is easy to adopt.
  • the accommodation linkage mechanism includes an operation opening formed in the output operation body, and a locking body formed in the operation bracket so as to be inserted into the operation opening.
  • the amount of displacement between the operating position of the operating lever and the operating position of the output operating body is determined by the relative movement amount of the locking body within the range of the opening for use.
  • the range in which the locking body can move within the operation opening can be set as a suitable range as the size of accommodation.
  • the interchange itself can be used effectively, but it should not be increased without limit.
  • a width of the operation opening in a direction along a rotation locus around the swing axis of the operation lever is set to be narrower than a maximum movement range of the locking body in the same direction.
  • the output operation body in the steering unit and / or the lifting unit, includes a cylindrical shaft portion that is externally fitted to a pivot shaft that pivotally supports the operation lever, and the cylindrical shaft portion.
  • a plate-like rocking plate portion that is integrally mounted to the rocking plate portion, and the rocking plate portion is provided with the operation opening and a spring locking portion.
  • a coil spring is wound, and the end portions on both ends of the coil spring are distributed to both sides of the locking body inserted into the operation opening and the swinging movement direction of the spring locking portion. It is mounted so as to be positioned in the state.
  • the operation opening formed in the swing plate portion, the spring locking portion, and the locking body are used to operate from the operation lever through the operation linkage mechanism including the flexible linkage mechanism.
  • an operation wire for transmitting an operation force to the steering drive unit or the lift drive unit is connected to the side of the swing plate portion opposite to the side where the spring locking portion is provided.
  • the operation wire can be arranged using the space on the side opposite to the side where the spring locking portion is provided in the swing plate portion of the output operation body.
  • a pivot shaft that pivotally supports the operation lever is configured integrally with a holding frame body that holds the pivot shaft, and the holding frame body and the operation bracket that the operation lever includes,
  • the output operation body is provided side by side in this order, the locking body protrudes toward the operation bracket side, and the operation bracket is on the side opposite to the side where the locking body exists.
  • a protruding member that protrudes is provided, and a restriction opening through which the protruding member is inserted is formed in the holding frame so as to restrict the swing range of the protruding member within a predetermined range.
  • the structure for regulating the swing range around the pivot shaft of the operation lever can be easily configured by the restriction opening formed in the holding frame and the protruding member provided in the operation bracket. .
  • the cutting unit is provided with a scraping reel for scraping planted crops and a reel lifting device for adjusting the position of the scraping reel up and down, and operating the reel lifting device.
  • the operation input part for raising / lowering the said scraping reel is provided in the grip part of the said operation lever.
  • the vertical position adjustment of the scraping reel provided in the reaping part can be performed with good operability using the operation input part provided in the grip part of the operating lever, and the reaping part is A structure suitable as a harvesting machine equipped with a reel can be obtained.
  • the harvesting machine includes an operation lever that can be swung in the front-rear direction and the left-right direction, a steering drive unit that can steer the traveling direction of the traveling machine body in the left-right direction, and a cutting unit for the traveling machine body
  • An elevating drive unit capable of driving the elevating and lowering operation, an operation linking mechanism for transmitting a swing operation of the operation lever to the steering drive unit and the elevating drive unit, and a swing axis of the operation lever in the front-rear direction and the left-right direction
  • a pivot support member pivotably supported around the first pivot part, the pivot support member having a pivot axis in one of the front-rear direction and the left-right direction of the operation lever;
  • a second rotating part having a pivot axis in the other direction of the operation lever in the front-rear direction and the left-right direction, and the first pivot part rotates around the pivot axis in one direction.
  • the second rotating unit is configured to rotate integrally with the first rotating unit, and the second rotating unit rotates about the one-way swing axis along with the rotation of the first rotating unit by a predetermined angle.
  • the pivot lever is pivotally supported so as to be swingable around the pivot axis in the front-rear direction and the left-right direction, and the first rotating portion provided in the pivot member swings in one direction. It is pivotally supported by the body fixing part so as to be rotatable around the axis, and the rotation of the second rotation part around the oscillating axis in one direction accompanying the rotation of the first rotation part is within a predetermined angle range.
  • There is a restriction section that restricts to Therefore, the swing range around the swing shaft center in one direction in the first rotation portion of the operation lever is limited to a predetermined range by the second rotation portion and the restriction portion that rotate integrally through the shaft support member. can do.
  • the relative angle is relatively within a predetermined angle range determined by the pivotal support member and the restriction part that pivotally supports the operation lever.
  • the restricting portion is configured such that the restricting action does not reach the swinging range of the operation lever around the swing axis in the other direction of the second rotating portion.
  • the restricting portion does not exert a restricting action on the swinging range of the operation lever around the swing shaft center in the other direction of the second rotating portion.
  • the restricting portion can be configured regardless of the swing range of the operation lever around the swing axis in the other direction, and it is easy to avoid a complicated structure of the restricting portion itself.
  • the second rotating portion includes a pivot portion where the operation lever is pivotally supported, and an extension shaft portion extending from the pivot portion in a direction where the operation lever is not pivotally supported.
  • the extension shaft portion is configured to engage with the restricting portion.
  • the second rotating portion is provided with the extension shaft portion, and the extension shaft portion is engaged with the restricting portion, whereby the means for limiting the swing operation range of the operation lever is provided.
  • the pivot portion is configured to perform a swing operation around the swing shaft center in the other direction on the side opposite to the side on which the extension shaft portion is provided.
  • An output operation body for transmitting to the drive unit or the elevating drive unit is provided.
  • the output operation body is provided on the side opposite to the side on which the extension shaft portion is provided on the pivot portion of the second rotating portion, the engagement structure between the extension shaft portion and the regulating portion. Regardless of whether the output operating body is swingable around the swing axis of the control lever, it is easy to perform maintenance work such as assembling and disassembling while avoiding complication of the structure as a whole. is there.
  • the apparatus includes a lever support frame attached to the airframe fixing portion, the first rotating portion is pivotally supported by the lever support frame, and the restriction portion is provided in the lever support frame. It has been.
  • the restricting portion that restricts the swing range of the operation lever within a predetermined range includes a first rotation portion having a swing axis in one direction among the front-rear direction and the left-right direction of the operation lever;
  • the lever is formed on the lever support frame itself for supporting the shaft support member including the second rotating portion having the pivot axis in the other direction of the operation lever in the front-rear direction and the left-right direction.
  • the 2nd rotation part by which a rotation angle range is restricted by the restriction part is a member for constituting the swing axis of the other direction among the front-rear direction and the left-right direction of the operation lever, and
  • the restricted turning direction of the second turning part is the turning direction around the one-way swing axis, which is the axis of the first turning part.
  • the structural member for regulating the operating range of the operation lever is the operation linkage mechanism itself for transmitting the front / rear and left / right swinging operation of the operation lever to the steering drive unit and the lift drive unit.
  • the lever support frame and the second rotating part are used.
  • the swinging operation range of the operation lever is restricted by the restriction portion and the second rotation portion provided on the lever support frame that is a part of the operation linkage mechanism that supports the operation lever. Therefore, it is easy to accurately correspond the swinging operation amount of the operation lever and the operation amount by the operation linkage mechanism, and a large amount of time is required for the alignment work, such as when the restricting portion is provided at a location different from the lever support frame. The necessary trouble can be avoided.
  • the structure can be easily configured by effectively using the lever support frame, the second rotating portion, etc., which is the operation linkage mechanism itself.
  • the restricting portion is formed by an opening formed in the lever support frame, and the one direction of the second rotating portion is brought into contact with the second rotating portion inserted into the opening. Is configured to limit the rotation around the pivot axis within a predetermined angle range.
  • the restricting portion is formed by the opening formed in the lever support frame, and the extension operating portion of the operating lever can be limited by inserting the extension shaft portion into the opening.
  • the lever support frame is provided with a bearing portion facing one end side in the axial direction of the first rotating portion and on the other end side in the axial direction of the first rotating portion.
  • a connecting portion that is inserted into and removed from the bearing portion on one end side in the axial direction of the first rotating portion.
  • a connecting member detachable from the same direction as the insertion / extraction direction with respect to the bearing portion is provided on the other end side in the axial direction of the moving portion with respect to the connecting portion.
  • it is comprised so that attachment or detachment is possible from the one side in the axial center direction of the said 1st rotation part.
  • the pivot support member is configured to be detachable from one side in the axial direction of the first rotating portion with respect to the lever support frame.
  • the second rotating part and the first rotating part are positioned in a state where they intersect each other on the upper side and the lower side, and are fixed to a common holding frame.
  • the second rotating part and the first rotating part which are located in a state where they cross each other on the upper side and the lower side, are fixed by the common holding frame, and are compact to avoid an overall increase in size.
  • the operating lever is pivotally supported by the second rotating part and includes a slimming part extending in the vertical direction, and the slimming part is viewed in the axial direction of the first pivoting part. Therefore, it arrange
  • the operation lever not only swings around the axis of the second rotation part that is directly supported, but also supports the second rotation part so as to be rotatable. Even around the axis of the moving part, it can be operated in a state where the position of the vertex of the operation locus of the grip part of the operation lever is at a substantially constant position. Therefore, the first rotating part and the second rotating part need not have a structure in which the axes intersect with each other at one point, and are configured with different axes from each other and arranged in a state where they intersect vertically.
  • the operation lever can be configured with good operability while being simple in structure.
  • the swinging operation of the operation lever around the one-way swing axis is a potentiometer that detects the rotation of the first rotating portion around the one-way swing axis. It is comprised so that it may be detected by.
  • the second rotation part when the potentiometer detects the rotation of the first rotation part around the one-way swing axis by the operation lever, the second rotation part accompanying the rotation of the first rotation part. Is restricted by the restricting portion. In this way, by restricting the rotation of the second rotating portion by the restricting portion, the rotation range of the first rotating portion around the oscillating axis in the one direction is also restricted. As a result, there is an advantage that the swing operation range of the operation lever can be accurately associated with the detection range by the potentiometer, and the correspondence between these can be easily adjusted.
  • the cutting unit is provided with a scraping reel for scraping planted crops and a reel lifting device for adjusting the position of the scraping reel up and down, and operating the reel lifting device.
  • the operation input part for raising / lowering the said scraping reel is provided in the grip part of the said operation lever.
  • the vertical position adjustment of the scraping reel provided in the reaping part can be performed with good operability using the operation input part provided in the grip part of the operating lever, and the reaping part is A structure suitable as a harvesting machine equipped with a reel can be obtained.
  • FIG. 15 It is a figure which shows 1st Embodiment of this invention (hereinafter, it is the same also in FIG. 15), and is a right view which shows the whole of the normal type combine as an example of a harvesting machine. It is a top view of the whole ordinary combine. It is a side view which shows an operation lever and an operation linkage mechanism.
  • FIG. 4 is an arrow view in the direction of the IV-IV line in FIG. 3.
  • FIG. 5 is an arrow view in the direction of the VV line in FIG. 4.
  • VII-VII line in FIG. It is a rear view which shows an operation lever and an operation linkage mechanism. It is sectional drawing in the IX-IX line in FIG.
  • FIG. 20 is an arrow view in the direction of the line XX-XX in FIG. 19. It is sectional drawing in the XXI-XXI line
  • FIGS. ⁇ overall structure ⁇ 1 and 2 show an ordinary combine as an example of a harvester.
  • This ordinary combine includes a pair of left and right crawler traveling devices 1 and constitutes a traveling machine body A.
  • the traveling machine body A is provided with a driving unit B and a pre-cutting processing device C (corresponding to a cutting unit) at a front position thereof.
  • a full culling type threshing device D into which the culm harvested by the pre-harvest processing device C is sent, and a grain tank E (which stores the grains supplied from the threshing device D) And an unloader F for discharging the grains stored in the Glen tank E to the outside of the machine.
  • a fuel tank 23 is provided on the vehicle body frame 10 at a location corresponding to the rear end portion of the traveling machine body A and between the grain tank E and the threshing device D.
  • the engine 3 mounted on the vehicle body frame 10 is disposed at a position below the driver seat 2 of the driver B, and the driving force from the engine 3 is applied to the left and right crawler traveling devices at the center position of the front part of the traveling machine body A. 1 is provided over the top and bottom of the vehicle body frame 10.
  • the transmission case 4 is provided with a continuously variable transmission (not shown) that continuously changes the driving force from the engine 3 and a steering clutch (intermittent driving clutch) that interrupts the driving force transmitted to the left and right crawler travel devices 1. (Not shown).
  • the pre-harvest processing device C is configured to scrape the tip of the planted culm by rotating the reel 5 and to cut the stock of the culm with a cutter 6.
  • the harvested cereals (reached cereals) are laterally fed by the lateral feed auger 7 and collected near the entrance of the feeder 8.
  • the whole rice cake is fed backward by the feeder 8 and fed into the threshing device D.
  • the pre-cutting processing device C is configured to be swingable up and down around a horizontal axis (not shown) on the rear end side of the feeder 8.
  • the feeder 8 is swung up and down by an actuator 18 such as a hydraulic cylinder provided over the body frame 10 and the lower portion of the feeder 8. By setting the amount of rocking by the operation of this actuator 18, the cutting height of the cereal can be adjusted.
  • the scraping reel 5 disposed at an upper position on the front end side of the feeder 8 can swing up and down around a swing fulcrum (not shown) on the rear end side so that the height position with respect to the feeder 8 can be changed. It is configured. In this way, by changing the relative height of the scraping reel 5 with respect to the feeder 8, the scraping height with respect to the crop to be harvested such as the planted cereal can be changed without changing the cutting height.
  • the change in the height position of the scraping reel 5 is performed by an expansion / contraction operation of a reel lifting device constituted by a hydraulic cylinder or the like interposed between the feeder 8 and the like.
  • the threshing device D is an axial flow type cylinder (not shown) that is driven and rotated around the axial center of the posture along the front-rear direction of the traveling machine body A so as to perform the handling process of the harvested cereal grains supplied to the handling room.
  • a sorting device (not shown) for sorting the grains from the processed product obtained by the handling process.
  • the first thing is supplied to the grain tank E by the cerealing device 9, and the second thing is the handling chamber in which the barrel is turned by the second reducing device 19 (see FIG. (Not shown), and scraps other than the grains fall from the rear of the sorting apparatus to the rear of the traveling machine A.
  • the Glen tank E includes a tank body 20 for storing the grains supplied from the cerealing device 9.
  • the tank main body 20 includes a working posture (posture indicated by a solid line in FIG. 2) accommodated in the traveling aircraft body A by turning around the vertical axis Y in the vertical orientation at the rear position of the traveling aircraft body A, and It is supported so that the posture can be switched to the inspection posture that projects in the lateral direction (the posture indicated by the phantom line in FIG. 2).
  • the vertical axis Y serving as the turning center of the Glen tank E is configured to coincide with the cylinder axis of the vertical transfer cylinder 31 provided in the unloader F provided on the rear surface side of the tank body 20.
  • the unloader F is a straight tubular vertical conveyance cylinder 31 erected upward, and can swing left and right around the vertical axis Y together with the vertical conveyance cylinder 31 at the upper end portion of the vertical conveyance cylinder 31, and horizontally and horizontally. And a horizontal transfer cylinder 32 that can be swung up and down around the axis X.
  • Each of the vertical conveyance cylinder 31 and the horizontal conveyance cylinder 32 is configured by a well-known screw-type conveyance device having a conveyance screw inside.
  • a discharge cylinder portion 22 that protrudes rearward so as to support the discharge side end portion of the bottom screw 21 in the tank body 20 is provided.
  • the unloader F is provided on the rear surface side of the tank body 20 .
  • the vertical conveyance cylinder 31 is erected on the upper portion of the discharge cylinder portion 22 to form an upward vertical conveyance path, and the horizontal conveyance cylinder 32 connected to the upper end portion of the vertical conveyance cylinder 31 is horizontally oriented.
  • the transport route is configured.
  • the vertical transfer cylinder 31 is connected to the discharge cylinder portion 22 via a turning drive mechanism 33 so as to be turnable about the vertical axis Y.
  • the turning drive mechanism 33 includes a gear portion (not shown) provided on the outer periphery of the lower end portion of the vertical conveyance cylinder 31, a pinion gear that meshes with the gear portion, an electric motor that drives the pinion gear, and the like.
  • the horizontal transfer cylinder 32 is provided so as to swing up and down around the horizontal horizontal axis X along with the expansion and contraction operation of the hydraulic cylinder 34 provided between the upper part of the vertical transfer cylinder 31.
  • the driver B is provided with a box-shaped engine cover 11 that covers the upper side of the engine 3, and a driver seat 2 is provided on the upper surface of the engine cover 11.
  • An air intake case 11A is formed on the outer side of the engine cover 11, and an air intake portion 11B is formed on the outer surface of the air intake case 11A.
  • a control tower 12 is erected on the front side of the driver's seat 2, and an operation tool that performs steering control of the traveling machine body A and an operation tool that performs lifting control of the pre-cutting processing device C are provided on the upper surface side of the control tower 12.
  • An operating lever 13 that also serves as a pivot is provided so as to be swingable forward and backward and left and right. As shown in FIGS.
  • a side panel 14 extending from the left lateral end position of the control tower 12 toward the rear side is provided on the left side of the driver seat 2.
  • a main transmission lever 15A and a sub-transmission lever 15B are provided on the upper surface 14A of the front end portion of the side panel 14 as a shift operation tool 15 for controlling the traveling speed of the traveling machine body A.
  • a threshing clutch lever 16A and a reaping clutch lever 16B are provided side by side as the working clutch lever 16 on the upper surface 14A side of the side panel 14 at a position rearward of the speed change operation tool 15.
  • the threshing clutch lever 16A and the reaping clutch lever 16B operate the on / off operation of the threshing clutch (not shown) in the threshing device D by the forward / backward swing operation of the threshing clutch lever 16A.
  • the pretreatment device C is configured to perform an on / off operation of a cutting clutch (not shown).
  • a discharge clutch lever (not shown) is also provided on the side panel 14.
  • the discharge clutch lever performs an on / off operation of the discharge clutch G (see FIG. 1) for intermittently driving the driving force from the engine 3 with respect to the bottom screw 21 of the glen tank E to enable the grain discharge by the unloader F. And an operation tool for switching operation to a state where grain discharge is stopped.
  • the operation lever 13 provided on the upper surface side of the control tower 12 is maintained at a neutral position N that assumes an upright posture in a non-operation state. It is configured to be swingable in the left-right direction so that the left turn position L and the right turn position R can be operated with the neutral position N as a reference.
  • the operation arm of the steering control valve V1 (corresponding to the steering drive unit, see FIG. 4) is pushed and pulled through an operation linkage mechanism H described later.
  • the steering control valve V1 is switched, the steering clutch built in the transmission case 4 is controlled to be turned on and off, thereby realizing the steering (turning) of the traveling machine body A.
  • the lifting control valve V2 (corresponding to the lifting drive unit, see FIG. 3) that controls the actuator 18 described above is operated to raise and lower the cutting pretreatment device C. Can be realized.
  • [Operation linkage mechanism] 3 to 12 show an operation lever 13 that serves both as an operating tool that performs lifting control of the pre-cutting processing apparatus C and an operating tool that controls the steering of the traveling machine body A.
  • the forward / backward and left / right swinging operation of the operation lever 13 is performed through an operation linkage mechanism H configured as follows, and a lift control valve V2 as a lift drive unit and a steering control as a steering drive unit. It is transmitted to the valve V1.
  • the operation lever 13 erected on the upper surface side of the control tower 12 allows the front / rear and left / right swinging operations to be performed via an operation linkage mechanism H disposed inside the control tower 12. It is comprised so that it may tell to a direction drive part.
  • the operation linkage mechanism H includes a lever support frame 50 fixed inside the control tower 12 and a shaft support member 60 supported by the lever support frame 50.
  • the shaft support member 60 includes a first rotating portion 60A having a one-way swing axis x1 that supports the operation lever 13 so as to be swingable in the left-right direction, and the operation lever 13 as a swing axis in the other direction.
  • the swing axis x1 in one direction along the front-rear direction of the traveling machine body A becomes the axis of the swing operation of the operation lever 13 in the left-right direction.
  • the swing axis y1 in the other direction along the left-right direction is the axis of the swing operation of the operation lever 13 in the front-rear direction.
  • the lever support frame 50 includes a front wall portion 50F positioned on the front side in the front-rear direction, and the upper wall portions 50U and 50U positioned on the left and right sides of the front wall portion 50F so as to be connected to the upper end side. Is.
  • the lever support frame 50 is made of an integral material made of sheet metal, and the upper wall portions 50U and 50U are bent rearward at the upper left and right sides of the front wall portion 50F, whereby the upper end of the front wall portion 50F.
  • the upper wall portions 50U and 50U having an upward surface on the side are connected to be bent in a substantially L shape in a side view.
  • a bearing boss portion 51 that penetrates the front wall portion 50F and protrudes in the front and rear sides is integrally welded to the front wall portion 50F.
  • the bearing boss 51 is supported in a state in which a shaft 61 (corresponding to a pivot shaft that supports the operation lever 13) provided in the shaft support member 60 is fitted, whereby the one-way swing axis.
  • the first rotation unit 60A having x1 is configured.
  • a fixed locking pin 52 that protrudes to the front side from the front wall portion 50F to the front side as much as the bearing boss portion 51. Is fixed by welding.
  • the fixed locking pin 52 is for locking an end portion of a steering neutral return spring 75 to be described later and returning the operation lever 13 steered to either the left or right to the neutral position N.
  • the lever support frame 50 has a swing range in the left-right direction as a swing range in one of the front-rear direction and the left-right direction.
  • the 1st control part 55 which restrict
  • the first restricting portion 55 is provided in a state of being positioned between the upper wall portions 50U and 50U provided on the left and right so that the limit of the swing range of the operation lever 13 in the left and right direction is set to a predetermined angle range.
  • the one end edge 53 (corresponding to the contact portion) of the portion facing the shaft support member 60 and the inner and outer edges of the left and right upper wall portions 50U, 50U It is comprised by the edge 54 (equivalent to a contact part) of the location facing the one end edge 53.
  • the limit of the swing range of the operation lever 13 around the swing axis x1 of the shaft portion 61 pivotally supported by the first rotating portion 60A is determined by the mechanical contact of the first restricting portion 55. It is configured to be regulated by contact.
  • the shaft support member 60 supported by the lever support frame 50 includes a first rotating portion 60A having a swing axis x1 in one direction of the operation lever 13 in the front-rear direction and the left-right direction, and the operation lever 13. And a second rotating portion 60B having a swing axis y1 in the other direction of the front-rear direction and the left-right direction.
  • a pivotal support member 60 having a first rotating part 60A and a second rotating part 60B includes a core frame 63 formed in a channel shape that is open rearward in plan view, and a front side from a front surface 63F of the core frame 63.
  • a shaft portion 61 that extends toward the side and a cylindrical shaft portion 62 that projects from the left side surface 63L of the core frame 63 toward the left lateral direction are provided.
  • a mounting portion for a potentiometer 80 for detecting the rotation angle of the operation shaft 13 ⁇ / b> A provided at the proximal end portion of the operation lever 13 is provided.
  • Each of the first rotation unit 60A and the second rotation unit 60B is configured as follows. First, in the first rotating portion 60A, the shaft portion 61 is welded and fixed in a state of passing through the front surface 63F of the core frame 63 of the pivot support member 60 in the front-rear direction, and the shaft portion 61 is directed forward from the core frame 63. It has been extended. This shaft portion 61 is inserted into a bearing boss portion 51 that penetrates the front wall portion 50F of the lever support frame 50 and protrudes in the front and rear sides, and the operating lever 13 is connected to the shaft portion 61 through the core frame body 63.
  • the first rotating portion 60A is configured to support the operation lever 13 so as to be swingable in the left-right direction by supporting the control lever 13 so as to be swingable around the swing axis x1 in the direction.
  • the cylindrical shaft portion 62 is integrally welded and fixed to the left side surface 63L of the core frame 63 in the left lateral direction.
  • An operating shaft 13A provided at the base end portion of the operating lever 13 is fitted into the cylindrical shaft portion 62, and the operating lever 13 is rotated around the oscillation axis y1 in the other direction which is the cylindrical axis of the cylindrical shaft portion 62.
  • the second rotating portion 60B is configured to support the operation lever 13 so as to be swingable in the front-rear direction.
  • the operating lever 13 swings at a position away from the swing axis y1 in the other direction, which is the axis of the operating shaft 13A provided at the base end thereof, by a predetermined distance in the slimming direction of the operating lever 13.
  • a locking operation body 13B protrudes in a direction parallel to the axis y1.
  • the locking operation body 13B is locked to a lifting / returning return spring 76, which will be described later, in accordance with a swinging operation of the operation lever 13 around the swinging axis y1 in any of the front and rear directions. This is to allow the return action to the neutral position N by the return spring 76 to be transmitted to the operation lever 13.
  • a second restricting portion 65 is provided. As shown in FIGS. 5 to 7 and 9, the second restricting portion 65 is formed by a groove portion having a shape in which the upper edge of the left side surface 63 ⁇ / b> L of the core frame 63 is partially recessed. Has been. At both ends of the concave groove portion in the second restricting portion 65, as shown by phantom lines in FIG. 9, the locking operation body 13B is operated to the front swing limit so as to lower the pre-cutting processing device C. A front contact portion 65a that comes into contact when the operation is performed, and a rear contact portion 65a that comes into contact when the locking operation body 13B is operated to the rear swing limit so as to raise the pre-cutting processing device C. And are formed.
  • a neutral restriction pin 64 is formed on the left side surface 63L of the core frame 63 so as to protrude leftward in a state of being positioned between the locking operation body 13B at the neutral position N and the cylindrical shaft portion 62.
  • the neutral regulating pin 64 is engaged with one end side of both end portions of the lifting / lowering neutral return spring 76 wound around the outer peripheral surface of the cylindrical shaft portion 62.
  • the operation lever 13 is configured to return to the neutral position when the hand is released.
  • the swinging operation of the operation lever 13 in the front-rear direction, that is, around the swing axis y1 of the second rotating portion 60B is configured to be detected by a potentiometer 80 in which the input shaft 81 is connected to the operation shaft 13A. . Then, the detection result of the potentiometer 80 is sent to a control device 83 composed of a microcomputer as shown in FIG. 4, and the control device 83 operates the electric motor 84 to supply pressure oil to the actuator 18 for raising and lowering.
  • the lifting control valve V2 as the lifting drive unit is operated so as to be removed, and the lifting actuator 18 is expanded and contracted to perform the lifting and lowering operation of the pre-cutting processing device C.
  • the operation shaft 13A (corresponding to the output operation body) that transmits the swinging operation of the operation lever 13 in the front-rear direction, that is, around the swinging axis y1 of the second rotating portion 60B, to the potentiometer 80, or the potentiometer 80.
  • the control unit 83, the electric motor 84, and the like constitute an elevating unit U2 that links the elevating control valve V2 as the elevating drive unit and the operation lever 13.
  • This elevating unit U2 is not equipped with a flexible linkage mechanism I which will be described later.
  • the shaft portion 61 provided in the first rotating portion 60 ⁇ / b> A is further forward than the portion inserted into the bearing boss portion 51 that penetrates the front wall portion 50 ⁇ / b> F of the lever support frame 50. It is extended to the side.
  • a plate-like operation bracket 70 is fixed to the shaft end of the shaft portion 61 protruding forward from the bearing boss portion 51, and an output operation is performed on the shaft portion between the operation bracket 70 and the end portion of the bearing boss portion 51.
  • a boss portion 71A (corresponding to a cylindrical shaft portion) of the body 71 is fitted.
  • the outer peripheral portion on the distal end side of the shaft portion 61 is processed into an oval cross-sectional shape, and a screw hole 61a is screwed to the shaft end portion.
  • an oval engagement hole 70a is formed at an intermediate position in the vertical direction of the operation bracket 70 so that the outer peripheral portion of the front end side of the shaft portion 61 formed in an oval cross-sectional shape can be fitted.
  • a locking hook portion 70 b (corresponding to a locking body) bent to the rear side intersecting the plate surface of the operating bracket 70 is provided at the lower end portion of the operation bracket 70.
  • a coil spring 74 (corresponding to the elastic body of the accommodation linkage mechanism I) wound around the boss portion 71A of the output operation body 71 are positioned on the locking hook portion 70b and the output operation body 71 below the locking hook portion 70b.
  • a locking pin 73 (corresponding to a spring locking portion) provided on the left and right sides. At this time, both end portions of the coil spring 74 are attached to the locking hook portion 70b and the locking pin 73 as follows.
  • the end of the coil spring 74 located on the right side in FIG. 12 is located on the left side as shown in FIG. 11, and the end of the coil spring 74 located on the left side in FIG. As shown in FIG. 11, the end portion is mounted on the right side as shown in the position. Accordingly, when the locking hook portion 70b moves to the side away from the locking pin 73 of the output operation body 71 along with the swing of the operation bracket 70, the coil spring wound around the boss portion 71A of the output operation body 71. It will be in the state operated to the side which winds 74 tightly.
  • an operation pin 70c projecting rearward is provided on the upper part of the operation bracket 70.
  • the operation pin 70 c is provided so as to act on the steering neutral return spring 75 wound around the bearing boss portion 51 of the lever support frame 50, and the operation lever 13 is moved around the swing axis x 1 of the shaft portion 61.
  • an operating force is applied in a direction to return the operation lever 13 to the neutral position N side. That is, the steering neutral return spring 75 wound around the bearing boss portion 51 of the lever support frame 50 is mounted in a state in which the fixed locking pin 52 and the operation pin 70c provided on the lever support frame 50 are sandwiched from both the left and right sides. Has been.
  • the steering neutral return spring 75 also moves the bearing pin 51c of the lever support frame 50 in accordance with the movement of the operation pin 70c in accordance with the operation of the operation lever 13 in the turning direction away from the fixed locking pin 52.
  • the steering neutral return spring 75 wound around is attached so as to be tightened.
  • the locking pin 73 faces the operation bracket 70 with respect to the swing plate portion 71B provided integrally with the boss portion 71A. It is provided so that it may protrude to the side to do. Further, a fixing pin 72 for connecting a linkage wire 82 as a means for operating the steering control valve V1 is protruded toward the side opposite to the side where the locking pin 73 is protruded.
  • the fixing pin 72 is provided with a central axis x4 at a position farther from the swing axis x1 of the shaft part 61 than the central axis x3 of the locking pin 73.
  • the distance from the swing axis x1 to the center axis x4 may be appropriately determined according to the operation stroke of the steering control valve V1. Therefore, the center axis x4 of the fixing pin 72 is located at the same position as the center axis x3 of the locking pin 73, or at a position closer to the swing axis x1 of the shaft portion 61 than the center axis x3 of the locking pin 73. There is also a possibility of being provided.
  • the fixing pin 72 may be provided so as to protrude to the same side as the side from which the locking pin 73 protrudes, or the locking pin 73 itself is opposite to the side facing the operation bracket 70.
  • the locking pin 73 may also be used as the fixing pin 72.
  • the connecting wire 82 detachably connected to the fixed pin 72 is linked to the steering control valve V1, and the left and right directions of the operating lever 13, that is, the swing of the first rotating portion 60A.
  • the steering control valve V1 as the steering drive unit is switched in conjunction with the swinging operation around the axis x1, and the steering clutch of the traveling device (not shown) is separately operated on the left and right to turn the aircraft. It is configured to be operated.
  • the steering wire 82 provided so as to link the steering control valve V1 as the steering drive unit and the operating lever 13 and the left and right direction of the operating lever 13 in the operating linkage mechanism H, that is, the first time.
  • the steering unit U1 is configured by the core frame 63, the shaft 61, the output operating body 71, and the like that transmit the swinging operation around the swinging axis x1 of the moving part 60A to the linkage wire 82.
  • the interchangeable linkage mechanism I is provided so that a state in which the operating body 71 does not follow integrally and allows the swinging operation of the operating lever 13 alone is displayed.
  • This interchangeable linkage mechanism I is configured as follows.
  • the accommodation linkage mechanism I includes a coil spring 74 wound around a boss portion 71A on the front side of the swing plate portion 71B of the output operation body 71, and a latch formed to project forward from the swing plate portion 71B.
  • the pivot axis x1 of the operation lever 13 around the first rotation portion 60A and the locking hook portion The central axis x2 of 70b and the central axis x3 of the locking pin 73 are arranged so as to be aligned on a vertical line L1 that passes through the swing axis x1 of the operating lever 13 and extends along the entire body. That is, the line segment L2 connecting the swing axis x1 of the operation lever 13 and the center axis x2 of the locking hook portion 70b, and the center axis x3 of the swing axis x1 and the locking pin 73 of the output operation body 71.
  • a line segment L3 is connected to a vertical line L1 that passes through the swing axis x1 of the operation lever 13 and extends along the slimming body.
  • both end portions of the coil spring 74 wound around the boss portion 71 ⁇ / b> A are bent to the rear side of the locking hook portion 70 b and the locking protrusion protruding to the front side of the output operation body 71. It is provided so as to sandwich the pin 73, and is located in a state of being distributed to both sides of the vertical line L1.
  • the bearing boss portion 51 of the lever support frame 50 that fits and supports the shaft portion 61 of the first rotating portion 60A is operated.
  • a direction neutral return spring 75 is wound, and both end portions of the direction neutral return spring 75 extend from the lever support frame 50 to the front side and the locking pin 52 projecting forward from the lever support frame 50 and extend backward from the operation bracket 70.
  • the operation pin 70c that is taken out is disposed in a state of being sandwiched from both sides.
  • both the line segment L3 connecting x1 and the center axis x3 of the locking pin 73 are swung by the same angle.
  • the steering neutral return spring 75 has one end locked to the fixed locking pin 52 and the other end locked to the locking hook portion 70b.
  • the interval between the fixed locking pin 52 and the operation pin 70c is elastically expanded around the oscillation axis x1 by the oscillation of 70c.
  • the steering neutral return spring 75 is in a state of biasing the operation lever 13 back to the neutral side.
  • the coil spring 74 since the coil spring 74 swings around the swing axis x1 while holding the locking hook portion 70b and the locking pin 73, the coil spring 74 in this state swings the operating lever 13.
  • the fixed pin 72 connected to the direction control valve V1 by the linkage wire 82 maintains the state shown in FIG. 13B. Therefore, for example, the swing operation amount of the operation lever 13 is set by the lever guide groove, and the stroke end position of the steering control valve V1 does not coincide with the swing operation limit position of the operation lever 13, so that the operation Even if the lever 13 exceeds the stroke end position of the steering control valve V1 and is excessively operated in an overrun state, the operating force by the operating lever 13 is not transmitted to the steering control valve V1, It can be used conveniently. In this overrun state, the interval between the locking hook portion 70b and the locking pin 73 is expanded around the swing axis x1 against the elastic biasing force of the coil spring 74.
  • the elastic biasing force of the coil spring 74 also acts as an operation resistance for the swinging operation of the operation lever 13. This is also advantageous in that it is easy to recognize that an extra operation of the operation lever 13 is being performed.
  • [Others (parking brake structure)] 14 and 15 show a linkage structure between the speed change operation tool 15 and the parking brake operation mechanism 40.
  • a main speed change lever 15 ⁇ / b> A that operates a continuously variable transmission (not shown) in the mission case 4 to perform a stepless forward / backward shift of the traveling machine body A includes a parking brake operating mechanism 40, It is linked to the return mechanism 100. That is, it is configured to forcibly return to the neutral position as the parking brake pedal 41 is depressed, regardless of which speed change operation position the main speed change lever 15A is operated.
  • the linkage structure of the parking brake operation mechanism 40 and the neutral return mechanism 100 is configured as follows.
  • the parking brake operation mechanism 40 includes a tread surface 41A that can be stepped on the upper surface side of Step 17 of the driving unit B, a parking brake pedal 41 that includes a swing arm portion 41B on the lower surface side of Step 17, and a swing arm portion.
  • a lateral fulcrum shaft 42 that swingably supports 41B and an operation rod 43 that transmits the swinging operation of the swinging arm portion 41B to the operation arm 44 of the parking brake 45 are provided.
  • the swing arm portion 41B is provided with a return spring 46 that urges the parking brake 45 to the cut side and pulls and biases the parking brake pedal 41 to return to the release side.
  • a compression spring 47 having a spring constant larger than that of the return spring 46 is interposed at a connecting portion between the swing arm portion 41 ⁇ / b> B and the operation rod 43. It is configured to transmit to the brake 45.
  • a locking pin 41C is provided near the tread surface 41A of the parking brake pedal 41 so as to protrude in the lateral direction away from the tread surface 41A.
  • a locking device 90 is provided at a position deviated laterally from the swing trajectory of the tread 41A. By locking the depressed parking brake pedal 41 in the depressed position, The braking state is maintained.
  • a lock plate 92 is pivotally supported around a horizontal shaft 91 provided on the lower surface side of the step 17. A position at which the hook portion 92a provided on the free end side of the lock plate 92 intersects the movement locus with respect to the movement locus of the locking pin 41C extending from the tread surface 41A of the parking brake pedal 41 in the lateral direction. And a posture changeable to a front side position deviating from the movement locus.
  • the lock plate 92 is biased by a helical spring 93 around the horizontal axis 91 toward the side deviating from the movement locus of the locking pin 41C. Then, the operation lever 94 integrally welded to the lock plate 92 is configured to change the posture around the horizontal axis 91. Accordingly, as shown in FIG. 15, the parking brake pedal 41 is depressed and the operation lever 94 moves the lock plate 92 to a position intersecting the movement locus of the locking pin 41 ⁇ / b> C to lock the parking brake. The braking state in which the pedal 41 is depressed can be maintained.
  • the main transmission lever 15A is forcibly returned to the neutral position N.
  • the return to the neutral position N of the main transmission lever 15A is performed by the neutral return mechanism 100. That is, the support member 101 that supports the main transmission lever 15A so as to be swingable is pivotally supported by the swing shaft 102 that is linked to the speed change operation unit, and is configured to be swingable.
  • Link rods 103, 103 having the same specifications are connected to both ends of the support member 101, respectively.
  • Slots 103a and 103a are formed at the lower ends of the linkage rods 103 and 103, respectively.
  • the long holes 103a and 103a are engaged with a common locking pin 105 provided on the operation arm 104 supported by the lateral fulcrum shaft 42 so as to swing integrally with the swing arm portion 41B. .
  • the support member 101, the connecting rods 103 and 103, the long holes 103 a and 103 a, the operation arm 104, and the locking pin 105 constitute a neutral return mechanism 100.
  • the main transmission lever 15A can be freely operated on either the forward transmission side or the reverse transmission side within the length range of the long holes 103a, 103a. Can do. Then, when the parking brake pedal 41 is depressed as shown in FIG. 15 from this non-braking state, the locking pin 105 pulls the ends of the long holes 103a and 103a downward, and the support member 101 is in a substantially horizontal posture. As a result, the main transmission lever 15A is returned to the neutral position N.
  • the neutral return mechanism 100 when the parking brake pedal 41 is depressed, it is desirable to set the timing so that the main transmission lever 15A returns to the neutral position N before the timing when the parking brake 45 reaches the braking state.
  • the structure in which the accommodation linkage mechanism I is incorporated in the steering unit U1 that performs the steering control in the left-right direction of the operation lever 13 is illustrated, but the structure is not limited to this.
  • Other configurations may be the same as those in the above-described embodiment.
  • the operation in the front-rear direction or the left-right direction of the operation lever 13 is transmitted to the steering control valve V1 or the lift control valve V2, and the control is performed by hydraulic pressure. It is not limited to the structure.
  • a steering clutch for steering operation and a lifting clutch for lifting operation are provided, and the steering clutch and the lifting operation clutch and the operation linkage mechanism H of the operation lever 13 are directly connected by the linkage wire 82. It may be configured to be connected and switched by an artificial operation force that operates the operation lever 13. Other configurations may be the same as those in the above-described embodiment.
  • connection portion of the linking wire 82 to the output operation body 71 is configured by the dedicated fixing pin 72, but is not limited thereto.
  • the locking pin 73 is extended to the opposite side of the swinging plate portion 71B, and the locking pin 73 is used as the fixing pin 72, or an engaging portion such as a hole is provided instead of the pin, thereby connecting the connecting wire. 82 may be connected.
  • the connection location of the connecting wire 82 is not limited to the side opposite to the side where the locking pin 73 exists, and the connection location may be provided on the same side as the side where the locking pin 73 exists. Other configurations may be the same as those in the above-described embodiment.
  • the structure provided with the locking pin 73 protruding toward the operation bracket 70 as the spring locking portion provided in the output operation body 71 is illustrated, but is not limited thereto.
  • Other configurations may be the same as those in the above-described embodiment.
  • the structure provided with the locking hook portion 70b bent from the operation bracket 70 side to the output operation body 71 side is exemplified as the locking body provided in the operation bracket 70, but the present invention is not limited to this. is not.
  • a portion that engages with a part of the operation bracket 70 in the left-right direction is provided at the end of the coil spring 74, and the end of the coil spring 74 is the same as the operation bracket 70 swings. It may be moved in the direction.
  • Other configurations may be the same as those in the above-described embodiment.
  • the first restricting portion 55 the one having the structure in which the one end edge 53 and the end edge 54 that contact the shaft support member 60 are provided on the lever support frame 50 side to set the operation limit of the operation lever 13 is exemplified.
  • an opening is formed in the front wall portion 50F of the lever support frame 50, and a rod-like portion to be inserted into the shaft support member 60 is provided, or conversely on the lever support frame 50 side.
  • a rod-like member is provided in a projecting manner, and a member having an opening through which the rod-like member can be inserted is attached to the first rotating portion 60 ⁇ / b> A side of the pivot support member 60, thereby restricting the lateral swing range on the pivot support member 60 side. You may do it.
  • Other configurations may be the same as those in the above-described embodiment.
  • an opening is formed in the right side 63R or the left side 63L on the core frame 63 side so that the locking operation body 13B is inserted into the opening, or conversely the core frame Protruding portions are provided on the right side surface 63R or the left side surface 63L on the 63 side at a predetermined interval, and the locking operating body 13B or the slimming portion of the operating lever 13 is positioned between the protruding portions so as to swing back and forth.
  • An appropriate structure can be employed, such as restricting the moving range.
  • Other configurations may be the same as those in the above-described embodiment.
  • FIGS. ⁇ overall structure ⁇ 16 and 17 show an ordinary combine as an example of a harvesting machine.
  • This ordinary combine is provided with a self-propelled aircraft A (corresponding to a traveling aircraft) that travels with a pair of left and right crawler traveling devices 201.
  • the self-propelled machine A is provided with a driving unit B and a pre-cutting processing device C (corresponding to a cutting unit) at a front position thereof.
  • a fuel tank 223 is provided on the vehicle body frame 210 at a location corresponding to the rear end portion of the self-propelled aircraft A and between the grain tank E and the threshing device D.
  • the engine 203 mounted on the vehicle body frame 210 is disposed below the driver seat 202 of the driver B, and the driving force from the engine 203 is applied to the left and right crawlers at the center of the front part of the self-propelled aircraft A.
  • a mission case 204 for transmitting to the apparatus 201 is provided over the top and bottom of the body frame 210.
  • the transmission case 204 is provided with a continuously variable transmission (not shown) that continuously changes the driving force from the engine 203, and a steering clutch (which interrupts the driving force transmitted to the left and right crawler traveling devices 201). (Not shown).
  • the pre-harvest processing device C is configured to scrape the tip side of the planted culm by rotating the reel 205 and to cut the stock of the culm with the cutter 206.
  • the harvested cereals (reached cereals) are laterally fed by the lateral feed auger 207 and gathered near the entrance of the feeder 208.
  • the whole rice cake is fed backward by the feeder 208 and fed into the threshing device D.
  • the pre-cutting processing apparatus C is configured to be swingable up and down around a horizontal axis (not shown) on the rear end side of the feeder 208.
  • the feeder 208 is vertically swung by an actuator 218 such as a hydraulic cylinder provided over the body frame 210 and the lower portion of the feeder 208. By adjusting the amount of rocking by the operation of the actuator 218, the cutting height of the cereal can be adjusted.
  • the scraping reel 205 disposed in the upper position on the front end side of the feeder 208 is configured to be able to change the height position with respect to the feeder 208 by swinging up and down around the swing support point 205B on the rear end side. .
  • the change in the height position of the scraping reel 205 is performed by an expansion / contraction operation of a reel lifting / lowering device 205 ⁇ / b> A configured by a hydraulic cylinder interposed between the upper portion of the feeder 208.
  • the raising / lowering operation with respect to the reel lifting / lowering device 205 ⁇ / b> A is performed by a command from an operation input unit 290 described later provided on the grip 213 a of the operation lever 213.
  • the threshing device D is an axial flow type barrel (not shown) that is driven and rotated around the axis of the posture along the front-rear direction of the self-propelled machine body A so as to perform the handling process of the harvested cereal grains supplied to the handling room.
  • a sorting device (not shown) for sorting the grains from the processed product obtained by the handling process.
  • the first thing is supplied to the grain tank E by the cerealing device 209, and the second thing is the handling chamber (Fig. (Not shown), and scraps other than the grains fall from the rear part of the sorting apparatus to the rear of the self-propelled aircraft A.
  • Glen tank E is provided with tank body 220 for storing the grain supplied from cerealing device 209.
  • the tank body 220 has a working posture (posture indicated by a solid line in FIG. 17) stored in the self-propelled aircraft A by turning around the vertical axis Y in a vertical posture at the rear position of the self-propelled aircraft A, and a self-propelled vehicle. It is supported in an inspection posture (posture indicated by a virtual line in FIG. 17) projecting laterally from the airframe A so that the posture can be switched.
  • the vertical axis Y which is the turning center of the Glen tank E, is configured to coincide with the cylinder axis of the vertical transfer cylinder 231 provided in the unloader F provided on the rear surface side of the tank main body 220.
  • the unloader F includes a straight tubular vertical transfer cylinder 231 erected upward, and can swing left and right around the vertical axis Y together with the vertical transfer cylinder 231 at the upper end of the vertical transfer cylinder 231, and horizontally and horizontally. And a horizontal transfer cylinder 232 that is provided so as to swing up and down around the axis X.
  • Each of the vertical conveyance cylinder 231 and the horizontal conveyance cylinder 232 is configured by a well-known screw type conveyance device in which a conveyance screw is housed.
  • the rear surface of the tank main body 220 is provided with a discharge cylinder 222 projecting rearward so as to support the discharge end of the bottom screw 221 in the tank main body 220.
  • the unloader F is provided.
  • the vertical conveyance cylinder 231 is erected on the upper portion of the discharge cylinder portion 222 to form an upward vertical conveyance path, and the horizontal conveyance cylinder 232 connected to the upper end portion of the vertical conveyance cylinder 231 is horizontally oriented.
  • the transport route is configured.
  • the vertical transfer cylinder 231 is connected to the discharge cylinder 222 via a turning drive mechanism 233 so as to be rotatable about the vertical axis Y.
  • the turning drive mechanism 233 includes a gear portion (not shown) provided on the outer periphery of the lower end portion of the vertical conveyance cylinder 231, a pinion gear meshing with the gear portion, an electric motor that drives the pinion gear, and the like.
  • the horizontal transfer cylinder 232 is provided so as to swing up and down around the horizontal horizontal axis Y as the hydraulic cylinder 234 extends and contracts between the upper side of the vertical transfer cylinder 231.
  • the driver B is provided with a box-shaped engine cover 211 that covers the upper side of the engine 203, and a driver seat 202 is provided on the upper surface of the engine cover 211.
  • An intake case 211A is formed on the outer side of the engine cover 211, and an intake portion 211B is formed on the outer surface side of the intake case 211A.
  • a control tower 212 is erected on the front side of the driver's seat 202.
  • an operation tool that performs steering control of the self-propelled aircraft A and an operation tool that performs lifting control of the pre-cutting processing device C
  • An operation lever 213 that also serves as a pivot is provided so as to be able to swing back and forth and from side to side.
  • a side panel 214 extending from the left lateral end position of the control tower 212 toward the rear side is provided on the left side portion of the driver seat 202.
  • a main speed change lever 215A and a sub speed change lever 215B are provided as a speed change operation tool 215 for controlling the travel speed of the self-propelled machine body A.
  • a threshing clutch lever 216 ⁇ / b> A and a reaping clutch lever 216 ⁇ / b> B are provided side by side as the work clutch lever 216 on the upper surface 214 ⁇ / b> A side of the side panel 214 at a position rearward of the speed change operation tool 215.
  • the threshing clutch lever 216A and the reaping clutch lever 216B operate by turning on and off the threshing clutch (not shown) in the threshing device D by the forward and backward swing operation of the threshing clutch lever 216A, and by the forward and backward swing operation of the harvesting clutch lever 216B.
  • the pretreatment device C is configured to perform an on / off operation of a cutting clutch (not shown).
  • a discharge clutch lever 217 is provided on the side panel 214 on the rear side of the threshing clutch lever 216A and the reaping clutch lever 216B.
  • the discharge clutch lever 217 performs on / off operation of the discharge clutch G (see FIG. 16) that intermittently drives the driving force from the engine 203 with respect to the bottom screw 221 of the Glen tank E, thereby enabling the grain discharge by the unloader F. It is an operation tool for switching operation to a state and the state which stops grain discharge
  • the operation lever 213 provided on the upper surface side of the control tower 212 is maintained at a neutral position N that assumes an upright posture in a non-operation state. It is configured to be swingable in the left-right direction so that the left turn position L and the right turn position R can be operated with the neutral position N as a reference.
  • the operation arm of the steering control valve V1 (corresponding to the steering drive unit, see FIG. 19) is pushed and pulled through an operation linkage mechanism H described later.
  • the steering control valve V1 is switched, the steering clutch built in the mission case 204 is controlled to be turned on and off, and the steering (turning) of the self-propelled aircraft A is realized.
  • the lifting control valve V2 (corresponding to a lifting drive unit, see FIG. 18) that controls the actuator 218 described above is operated to raise and lower the cutting pretreatment device C. Can be realized.
  • the shift operation tool 215 performs a shift operation of the continuously variable transmission by an operation in the front-rear direction and realizes a change in travel speed.
  • the threshing clutch lever 216 ⁇ / b> A is configured to perform an on / off operation of a threshing clutch that interrupts power to the threshing device D by an operation in the front-rear direction.
  • the reaping clutch lever 216B is configured to perform an on / off operation of the reaping clutch that interrupts power to the pre-harvesting processing device C by an operation in the front-rear direction.
  • FIGS. 18 to 24 show an operation lever 213 that serves both as an operation tool that performs the lifting control of the pre-cutting processing apparatus C and an operation tool that controls the steering of the self-propelled machine A.
  • the swinging operation of the operation lever 213 in the front-rear and left-right directions is performed through an operation linkage mechanism H configured as follows, and a lift control valve V2 as a lift drive unit and steering control as a steering drive unit. It is transmitted to the valve V1.
  • the operation linkage mechanism H is configured as follows.
  • the operation lever 213 erected on the upper surface side of the control tower 212 allows the front / rear and left / right swinging operations to be performed via an operation linkage mechanism H disposed inside the control tower 212. It is comprised so that it may tell to a direction drive part.
  • the operation linkage mechanism H includes a lever support frame 250 fixed inside the control tower 212 and a shaft support member 260 supported by the lever support frame 250.
  • the shaft support member 260 swings the operation lever 213 around the swing axis x1 in the other direction and the first shaft portion 261 having the swing axis y1 in one direction that supports the operation lever 213 so as to swing.
  • a second shaft portion 262 that is movably supported.
  • the swing axis y1 in one direction along the left-right direction of the self-propelled machine A is the axis of the swing operation in the front-rear direction of the operation lever 213.
  • the swing axis x1 in the other direction along the front-rear direction of the machine body A is the axis of the swing operation of the operation lever 213 in the left-right direction.
  • the lever support frame 250 includes a rear wall 250B located on the rear side in the front-rear direction, a right side wall 250R located on the right side in the left-right direction, and a left side wall 250L located on the left side. Is formed.
  • the right side wall 250R and the left side wall 250L are welded and fixed over the rear wall 250B and the upper wall portion 250U, respectively, to increase the shape retaining strength of the entire lever support frame 250.
  • the lever support frame 250 is made of a sheet metal material
  • the upper wall portion 250U is made of a material integral with the portion constituting the rear wall 250B, and is bent forward at the upper portions on both the left and right sides of the rear wall 250B.
  • the part 250U is configured to face upward.
  • a cylindrical boss-like bearing portion 251 that is opposed to one end side in the axial direction of the first shaft portion 261 and pivotally supports the shaft end portion of the first shaft portion 261 is provided on the right side wall 250R. It is formed so as to protrude to the laterally outer side on the right side (the left side in FIG. 19). Similar to the bearing portion 251, the right side wall 250 ⁇ / b> R protrudes from the fixed locking pin 252 in the same manner as the bearing portion 251. The fixed locking pin 252 is locked to the vertical return spring 276 when the vertical lifting return spring 276 described later is attached to the bearing portion 251, and the operation lever 213 operated in the front-rear direction is positioned at the neutral position. This is for returning to N.
  • the left side wall 250L is provided with a connecting portion 253 for supporting the other end side of the first shaft portion 261 in the axial direction.
  • fixing nuts 253a and 253a are welded and fixed to the inner end sides (left side of the left side wall 250L in FIG. 19) of a plurality of connecting round holes provided so as to penetrate the left side wall 250L. It has been done.
  • the connection member 265 mounted on the first shaft portion 261 of the shaft support member 260 is applied to the connection portion 253 from the laterally outer side of the left side wall 250L (the right side of the left side wall 250L in FIG. 19).
  • the connection member 265 is configured to be detachable via connection bolts 253b and 253b.
  • a mounting portion 254 to which the potentiometer 280 can be mounted in a state of being positioned on the left lateral outer side of the left side wall 250L is provided at the lower portion of the left side wall 250L.
  • the mounting portion 254 includes a bolt hole 254a and a pin hole 254b penetrating the left side wall 250L, and is configured so that the potentiometer 280 can be connected and fixed via the connecting bolt 254c.
  • the potentiometer 280 attached to the attachment portion 254 is for detecting the amount of swing operation of the operation lever 213 in the front-rear direction.
  • the potentiometer 280 is in contact with the operation arm 267 mounted on the other end side opposite to the side where the bearing portion 251 is provided in the axial direction of the first shaft portion 261 on the shaft support member 260 side. It is configured to be detectable. That is, as shown in FIGS. 22 and 23, the detection arm 281 of the potentiometer 280 can be rotated around the rotation axis p1, and the detection arm 281 can be rotated in the front-rear swing direction of the operation lever 213. It is provided in a state of being biased by a weak spring (not shown) toward one direction, for example, the descending side.
  • the operation arm 267 attached to the first shaft portion 261 contacts the urging side of the detection arm 281 (below the detection arm 281), and the detection arm 281 has its spring biasing force.
  • the amount of operation is detected by operating in the other direction in the forward / backward swing direction, for example, the ascending side.
  • the rear wall 250B of the lever support frame 250 is provided with a restricting portion 255 that restricts the swing range in the front-rear direction to a predetermined range as the swing range in one direction of the front-rear direction and the left-right direction of the operation lever 213. It has been.
  • the restricting portion 255 is configured by a substantially rectangular opening formed in the rear wall 250B so that the swing range in the front-rear direction of the operation lever 213 is set to a predetermined angle range. That is, as shown in FIG. 21, in the shaft support member 260 pivotally supported by the lever support frame 250, the swing axis of the first shaft portion 261 is accompanied by the swing of the operation lever 213 in the front-rear direction.
  • a part of the second shaft portion 262 that rotates around y1 is arranged in a state of entering the opening of the restricting portion 255. Therefore, the swing range of the second shaft portion 262 that swings around the swing axis y1 of the first shaft portion 261 is the second shaft portion 262 and the restricting portion 255, as indicated by phantom lines in FIG. It is limited by the contact with the opening edge of.
  • the shaft support member 260 includes a first shaft portion 261 having a swing axis y1 in one direction of the operation lever 213 in the front-rear direction and the left-right direction, and the operation lever 213 in the front-rear direction and the left-right direction. And a second shaft portion 262 having a swing axis x1 in the other direction.
  • the first shaft portion 261 and the second shaft portion 262 are fixed by a common holding frame body 263 so that the respective shafts are connected by an intermediate portion in the axial length direction.
  • the first shaft portion 261 and the second shaft portion 262 are positioned so as to cross each other on the upper side and the lower side, and the second shaft portion 262 facing in the front-rear direction on the upper side of the holding frame body 263 is fixed. In addition, the first shaft portion 261 facing in the left-right direction is fixed on the lower side of the holding frame body 263.
  • the first shaft portion 261 includes, on the right end side thereof, a bearing portion 261a that is inserted into and removed from a cylindrical boss-shaped bearing portion 251 provided on the right side wall 250R of the lever support frame 250. Thereby, the right end side of the first shaft portion 261 is pivotally supported by the lever support frame 250.
  • the left end 250L of the lever support frame 250 is connected to the left end of the first shaft 261 via a connecting member 265 sandwiched between a pair of flanges 261b and 261b provided near the left end of the first shaft 261. It is supported by the connecting part 253 provided in.
  • the connecting member 265 At this time, at one end of the connecting member 265 that is connected to the connecting portion 253, the connecting member 265 is bolted to the connecting portion 253 and is completely fixed. At the other end of the connecting member 265 that is connected to the first shaft portion 261, the connecting member 265 sandwiched between the pair of flange portions 261b and 261b and the first shaft portion 261 are relatively rotatable. In this state, the first shaft portion 261 is supported. Accordingly, the first shaft portion 261 is supported by the connecting member 265 in a state where movement in the axial direction, the front-rear direction, and the up-down direction is restricted.
  • a first operation plate 264 is integrally attached to the first shaft portion 261 at a position located on the inner side of the right side wall 250 ⁇ / b> R of the lever support frame 250.
  • the bearing portion 261a is provided integrally with the first shaft portion 261 so as to protrude further laterally outward than the laterally-facing surface of the first operation plate 264, and the bearing portion 261a is supported by a lever.
  • the first operation plate 264 is located on the inner side of the right side wall 250R in a state of being inserted into the bearing portion 251 of the frame 250.
  • the cylindrical boss-shaped bearing portion 251 that pivotally supports the shaft end portion of the first shaft portion 261 protrudes laterally outside (on the left side in FIG. 19) of the right side wall 250R, and the first operation plate 264 is the right side wall.
  • the connecting member 265 is configured to be connectable in a state of being applied from the left lateral outer side of the left side wall 250L (the right side of the left side wall 250L in FIG. 19). Therefore, the shaft support member 260 is easily incorporated by connecting the connecting member 265 and the connecting portion 253 to the lever support frame 250 from the left side by using the connecting bolts 253b and 253b. Can do.
  • the first operation plate 264 extends longer than the right side wall 250R.
  • a movable locking pin 264a is provided below the first operation plate 264 extending long downward so as to protrude from the first operation plate 264 to the laterally outer side of the right side wall 250R beyond the lower edge of the right side wall 250R. Is erected.
  • the movable locking pin 264a is provided so as to be locked to the vertical lifting spring 276 when the vertical lifting spring 276 is attached to the bearing portion 251. .
  • the movable locking pin 264a is moved by the vertical return spring 276 during the up-and-down movement as the first operation plate 264 is swung as shown by a virtual line in FIG.
  • One end side is moved to the side away from the fixed locking pin 252.
  • the movable locking pin 264a is moved closer to the fixed locking pin 252 toward the operation lever 213.
  • the urging force of the vertical return spring 276 that is elastically biased acts.
  • the operation lever 213 is configured to return to the neutral position when the hand is released.
  • the limit of the swing operation range in the front-rear direction of the operation lever 213 at this time is in the state inserted into the restriction portion 255 formed in the lever support frame 250 and the restriction portion 255 as shown in FIG. This is performed by contact with the second shaft portion 262.
  • the limit of the swing operation range for the contact between the restricting portion 255 and the second shaft portion 262 is set to a predetermined range on either side of the operation direction of the operation lever 213.
  • the operation lever 213 and the first shaft portion 261 serving as the swing axis y1 in the front-rear direction are formed on the vertical line passing through the swing axis y1 and the slimming of the operation lever 213 in the neutral posture.
  • the parts are arranged so as to exist.
  • a second operation plate 266 is attached on the left end side of the first shaft portion 261, as shown in FIG. 19 and FIGS. 22 to 24, it is located further to the left end side than the location where the connecting member 265 sandwiched between the pair of flange portions 261b, 261b exists.
  • a second operation plate 266 is attached.
  • An operation arm 267 for operating the detection arm 281 of the potentiometer 280 is attached to the second operation plate 266.
  • the second operation plate 266 is attached in a posture inclined forward and downward with respect to the first shaft portion 261 when the slimming of the operation lever 213 is in an upright posture along the vertical direction at the neutral position.
  • the potentiometer 280 provided in the lever support frame 250 is attached to the lower portion of the left side wall 250 ⁇ / b> L behind the first shaft portion 261.
  • An operation arm 267 for operating the detection arm 281 of the potentiometer 280 is attached to the lower second operation plate 266 near the pivot axis y1 of the first shaft portion 261.
  • the potentiometer 280 is arranged so that the rotational axis p1 of the detection arm 281 is in a forwardly inclined posture in which the rotation axis center p1 is closer to the first shaft portion 261 on the front side than the rear side, and the operation arm 267 is on the front side.
  • the operation arm 267 is provided such that the center line p2 has a steeper angle with respect to the horizontal than the rotation axis p1 of the detection arm 281 (see FIG. 22). In this way, the operation arm 267 is configured to be easier to operate than when the rotation axis p1 of the detection arm 281 in the potentiometer 280 is in the horizontal direction or in the vertical direction.
  • a notch 266a for holding an operation wire 282 provided so as to link the steering control valve V1 as a steering drive unit and the operation lever 213 is formed.
  • the operation wire 282 is composed of a push-pull wire in which the inner wire portion is inserted into the outer wire portion so as to be relatively slidable.
  • the outer wire portion is connected to the operation body 271 and is held in the notched portion 266a.
  • the left and right side portions of the channel-shaped holding frame body 263 whose front side is opened in plan view are fixed by welding and integrated. ing.
  • intersects with the said 1st axial part 261 penetrates the holding
  • the second shaft portion 262 has a pivot portion 262A on which the operation lever 213 is pivotally supported positioned on the front side of the holding frame body 263, and an extension shaft portion 262B positioned on the rear side of the holding frame body 263. It is.
  • the rearward extending shaft portion 262B is configured to engage with a restricting portion 255 formed on the lever support frame 250.
  • a steering neutral return spring 275 is wound around the extension shaft portion 262B. At both ends of the steering neutral return spring 275, a neutral regulating pin 263A protruding rearward from the holding frame 263 and an operation shaft 272 provided in the operation bracket 270 described later are directed rearward from the operation bracket 270.
  • the operating shaft 272 portion projecting from is locked.
  • the pivot portion 262A on the front side has a boss portion 270A of a rectangular plate-like operation bracket 270 formed integrally with the operation lever 213 on the side close to the holding frame 263. It is fitted.
  • a boss portion 271A (corresponding to a tube shaft portion) of the rectangular plate-like output operation body 271 located on the front side of the operation bracket 270 is fitted on the second shaft portion 262.
  • the operation bracket 270 and the output operation body 271 are supported so as to be relatively rotatable around the swing axis x1 that is the axis of the second shaft portion 262.
  • the operation bracket 270 integrated with the operation lever 213 has an axis x2 that is positioned below the first shaft part 261 and that extends in the front-rear direction parallel to the swing axis x1 of the second shaft part 262.
  • the operation shaft 272 is welded and integrated so as to penetrate the operation bracket 270 back and forth.
  • the operation shaft 272 includes an operation shaft 272 portion (corresponding to a locking body) projecting forward from the operation bracket 270 and an operation shaft 272 portion (corresponding to a protruding member) projecting rearward from the operation bracket 270.
  • the operation shaft 272 portion projecting forward is inserted into an operation opening 271C of the output operation body 271 to be described later, and the operation shaft 272 projecting rearward is the holding frame. It is inserted into a restriction opening 263B, which will be described later, formed in the H.263.
  • the output operation body 271 includes a boss portion 271A that is fitted on the second shaft portion 262, and a plate-like swing plate portion 271B that is integrally attached to the boss portion 271A.
  • An operation opening 271C into which the operation shaft 272 is inserted is provided.
  • a locking pin 273 (corresponding to a spring locking portion) is provided below the swinging plate portion 271B in a state of being positioned below the operation opening 271C. Similar to the second shaft portion 262 and the operation shaft 272, the locking pin 273 is oriented in the direction along the front-rear direction and protrudes from the front and rear sides of the output operation body 271 to the swing plate portion 271B. It is fixed by welding.
  • a coil spring 274 as an elastic body is wound around the boss portion 271A on the front side of the swing plate portion 271B, and each end portion on both ends of the coil spring 274 is inserted into the operation opening 271C.
  • the operation shaft 272 facing forward and the left and right sides of the locking pin 273 are mounted so as to be distributed.
  • an operation wire 282 is detachably connected to the locking pin 273 protruding to the rear side of the swing plate portion 271B.
  • the operation wire 282 is linked to the steering control valve V1 and interlocks with the swinging operation of the operation lever 213 in the left-right direction, that is, around the swing axis x1 of the second shaft portion 262. Then, the steering control valve V1 as the steering drive unit is switched, and the steering clutch of the traveling device (not shown) is operated separately on the left and right to perform the turning operation of the aircraft. .
  • the operation wire 282 provided to link the steering control valve V1 as the steering drive unit and the operation lever 213, and the left-right direction of the operation lever 213 in the operation linkage mechanism H, that is, the second axis.
  • the steering unit U1 is configured by the second shaft portion 262, the output operation body 271 and the like that transmit the swing operation of the portion 262 about the swing axis x1 to the operation wire 282.
  • the operation of the operation lever 213 in the front-rear direction is configured to be detected by the potentiometer 280.
  • the detection result of the potentiometer 280 is sent to a control device 283 constituted by a microcomputer, and the control device 283 operates the electric motor 284 to supply and discharge pressure oil to the lift actuator 218.
  • the raising / lowering control valve V2 is operated, and the raising / lowering actuator 218 is extended / contracted to raise / lower the cutting pretreatment apparatus C.
  • the lifting / lowering unit U2 is configured by an operation arm 267 (corresponding to an output operation body) that transmits the swinging operation to the potentiometer 280, the potentiometer 280, the control device 283, the electric motor 284, and the like.
  • This elevating unit U2 is not equipped with a flexible linkage mechanism I which will be described later.
  • the accommodation linkage mechanism I includes a coil spring 274 wound around a boss 271A on the front side of the swing plate portion 271B of the output operation body 271, an operation opening 271C formed in the swing plate portion 271B, This is configured by a difference in diameter between the inner diameter of the operation opening 271 ⁇ / b> C and the outer diameter of the operation shaft 272.
  • the pivot axis x1 of the operation lever 213 around the second shaft portion 262 and the axis of the operation shaft 272 are provided.
  • x2 and the axis x3 of the locking pin 273 are arranged on a straight line L1 along the slimming direction of the operation lever 213.
  • the minute L3 is positioned so as to coincide with the vertical line L1 passing through the swing axis x1 of the operation lever 213.
  • both end portions of the coil spring 274 wound around the boss portion 271A are provided so as to sandwich the operation shaft 272 and the locking pin 273 that protrude to the front side of the output operation body 271, and the operation shaft 272 is output. It is located at the center of the operating opening 271C of the operating body 271.
  • a steering return spring 275 is wound around the extended shaft portion 262B of the second shaft portion 262. Both end portions of the directional neutral return spring 275 are disposed so as to sandwich the operation regulating shaft 272 from both sides with a neutral regulating pin 263A projecting rearward from the holding frame 263.
  • the steering neutral return spring 275 is in a state of biasing the operation lever 213 back to the neutral side.
  • the coil spring 274 swings around the swing axis x1 with the operation shaft 272 and the locking pin 273 sandwiched therebetween, the coil spring 274 in this state has the swing resistance of the operation lever 213.
  • the steering control valve V1 reaches the left turn position L (stroke end position in the figure) by being pulled by the operation wire 282 connected to the locking pin 273, the oil passage is switched by the steering control valve V1.
  • the steering clutch (not shown) is switched to the left turning state, and the self-propelled aircraft A turns left.
  • the locking pin 273 connected with the steering control valve V1 and the operating wire 282 maintains the state shown in FIG. Therefore, for example, the swing operation amount of the operation lever 213 is set by the lever guide groove, and the stroke end position of the steering control valve V1 does not coincide with the swing operation limit position of the operation lever 213. Even if the lever 213 exceeds the stroke end position of the steering control valve V1 and is excessively operated in an overrun state, the operating force by the operating lever 213 is not transmitted to the steering control valve V1, It can be used conveniently. In this overrun state, the distance between the operating shaft 272 and the locking pin 273 is expanded around the swing axis x1 against the elastic biasing force of the coil spring 274.
  • the elastic biasing force of the coil spring 274 also acts as an operation resistance for the swinging operation of the operation lever 213. This is also advantageous in that it is easy to recognize that an extra operation of the operation lever 213 is being performed.
  • FIG. 25 (d) shows that the mud soil adheres to the steering control valve V1 even if the operation lever 213 is operated to some extent in the left direction from the state shown in FIG. 25 (a).
  • a state where the locking pin 273 cannot be moved by the elastic biasing force is shown.
  • a line segment L2 connecting the swing axis x1 and the axis x2 of the operation shaft 272 is swung by a predetermined angle with respect to the vertical line L1 passing through the swing axis x1 of the operation lever 213.
  • the line segment L3 connecting the pivot axis x1 and the axis x3 of the locking pin 273 remains at the position coincident with the vertical line L1.
  • the urging force of the steering neutral return spring 275 that urges the operation lever 213 back to the neutral side and the elastic urging force of the coil spring 274 act as operation resistances for the swinging operation of the operation lever 213.
  • the elastic biasing force of the coil spring 274 acts on the locking pin 273 and acts in the direction of switching the steering control valve V1 to the left turning side via the operation wire 282.
  • the operating resistance of the steering control valve V1 is larger than the elastic biasing force of the coil spring 274
  • the operating lever 213 is swung leftward to move the operating shaft 272 to the operating opening 271C of the output operating body 271. Even if it is swung within the range, the locking pin 273 does not follow and move.
  • the operation shaft 272 is inserted into the operation opening 271C formed in the output operation body 271. Even in such a case, the operation shaft 272 is placed on the inner periphery of the operation opening 271C.
  • the operation lever 213 can be forcibly swung around the swing axis x1 in the contacted state. As a result, the artificial operating force for the operating lever 213 is transmitted directly to the locking pin 273 via the operating shaft 272 and the output operating body 271, and the steering control valve V 1 is operated as shown in FIG.
  • the locking pin 273 can be operated up to a position that reaches the slow end.
  • the operation shaft 272 is inserted into the operation opening 271C formed in the output operation body 271 as described above, and the operation force of the operation lever 213 can be directly applied from the operation shaft 272 to the output operation body 271. So you can use it as follows. For example, when the mud is firmly attached to the steering control valve V1 and the output operation body 271 is difficult to move, the output operation is performed by impacting the operation shaft 272 against the inner periphery of the operation opening 271C. It is also possible for the body 271 to give a shocking operating force to the steering control valve V1 to facilitate the operation of the steering control valve V1.
  • the restriction opening 263B formed in the holding frame 263 so as to set the limit of the swing operation range of the operation lever 213 in contact with the rear end side of the operation shaft 272 is formed as follows. That is, of the inner peripheral edge of the restriction opening 263B, the inner peripheral edges on both the left and right sides of the position facing the moving direction of the operation shaft 272 are the swing shafts of the operation lever 213 that are also the swing centers of the operation shaft 272. It is formed so as to be orthogonal or almost orthogonal to the arc around the center x1, and the operation shaft 272 is configured to abut against the inner peripheral edges on both the left and right sides.
  • the positions of the inner peripheral edges on both the left and right sides of the restriction opening 263B are such that the operation shaft 272 moves the locking pin 273 formed on the output operation body 271 via the operation opening 271C, and the steering control valve V1. Can be operated to the stroke end.
  • the restriction opening 263B sets the limit of the swing operation range of the operation lever 213 by contacting with the moving direction of the operation shaft 272, but has a slight inclination.
  • the operation shaft 272 is not brought into contact with the inner peripheral edge, but the left and right inner peripheral edges that are in contact with each other in a state of facing the moving direction of the operation shaft 272 are brought into contact. Therefore, it is advantageous in that it is easy to set the limit of the swing operation range of the operation lever 213 with high accuracy.
  • an operation input unit 290 is provided on the upper surface of the grip 213a of the operation lever 213.
  • the operation input unit 290 is used to send a height adjustment signal to the control device 283 with respect to the reel lifting device 205A for changing the height of the scraping reel 205 provided at the top of the feeder 208. It is.
  • the operation input unit 290 is provided with an ascending button 291 for inputting an ascending command to the reel lifting device 205 ⁇ / b> A and a descending button 292 for inputting a descending command.
  • These buttons 291 and 292 are gripping portions of the operating lever 213. It is provided at a position where it can be pushed in by finger operation of the hand holding 213a.
  • the pressure oil for the reel lifting device 205A is operated only while the control valve provided in the pressure oil supply / discharge path for the reel lifting device 205A is operated and the buttons 291 and 292 are pressed. It is comprised so that supply / discharge operation can be performed.
  • the switch operating lever 293 is configured to input a lowering command to the reel lifting device 205A when tilted forward, and to input a lifting command when tilted rearward, so that the lifting control to the reel lifting device 205A can be performed.
  • the reel lifting device 205A is not limited to a structure using a hydraulic cylinder, and an arbitrary configuration such as an electric cylinder can be adopted. Other configurations may be the same as those in the above-described embodiment.
  • the structure in which the operation input part 290 is provided in the vicinity of the grip part 213a of the operation lever 213 is shown, but the structure is not limited to this structure.
  • a push button type ascending button 291 and a descending button 292 are provided on the upper surface of the grip part of the main transmission lever 215A, or a switch operation lever 293 capable of switching between two positions on the lateral side of the grip part It may be provided and configured.
  • the operation input unit 290 may be provided not on the lever portion such as the operation lever 213 or the main transmission lever 215A but on the front or side control panel portion of the driver seat 202.
  • Other configurations may be the same as those in the above-described embodiment.
  • the cutting pretreatment device C is moved up and down by operating the operation lever 213 in the front-rear direction, and the steering operation of the self-propelled aircraft A is performed by operating the operation lever 213 in the left-right direction.
  • the structure is such that the cutting pretreatment device C is moved up and down by operating the operating lever 213 in the left-right direction, and the steering operation of the self-propelled aircraft A is performed by operating the operating lever 213 in the front-rear direction. There is no problem.
  • Other configurations may be the same as those in the above-described embodiment.
  • the operation pin formed on the output operation body 271 is formed when the retaining pin 273 cannot be moved by the elastic biasing force of the coil spring 274 because mud adheres to the steering control valve V1.
  • the operation lever 213 With the operation shaft 272 in contact with the inner peripheral edge of the opening 271C, the operation lever 213 is forcibly swung around the swing axis x1 until the steering control valve V1 reaches the stroke end.
  • the structure of the stop pin 273 is illustrated as an example, but the present invention is not limited to this. For example, it may be configured as shown in FIGS.
  • the operation opening 271C is in the position indicated by reference numeral 271C ′
  • the locking pin 273 is in the position indicated by reference numeral 273 ′
  • the forced operation cannot be performed until the steering control valve V1 reaches the complete stroke end.
  • the resistance is large due to adhesion of mud or the like
  • it cannot be forcibly operated until the steering control valve V1 completely reaches the stroke end, but can be moved to near the stroke end.
  • the resistance due to adhesion of mud or the like if it is forced to move to some extent, the resistance due to adhesion of mud disappears from the middle, and there is a tendency that it can be operated to the stroke end without hindrance.
  • the structure is not a structure in which the diameter difference between the inner diameter of the operation opening 271C formed in the swing plate portion 271B and the outer diameter of the operation shaft 272 is increased, but the left and right opening edges of the restriction opening 263B.
  • the distance between them may be changed. That is, even if the operating shaft 272 swings around the swing axis x1 of the second shaft portion 262 in the clockwise direction in FIG. 28 and contacts the opening edge of the restriction opening 263B, the operating shaft 272 is operated. It is also conceivable to shorten the distance between the left and right opening edges of the restriction opening 263B so as not to contact the inner edge of the opening 271C.
  • the difference in diameter between the inner diameter of the operation opening 271C formed in the swing plate portion 271B and the outer diameter of the operation shaft 272 is slightly larger than that of the structure shown in FIG. The same effect can be obtained.
  • Other configurations may be the same as those in the above-described embodiment.
  • the structure in which the accommodation linkage mechanism I is incorporated in the steering unit U1 that performs the steering control in the left-right direction of the operation lever 213 is illustrated, but the structure is not limited to this structure.
  • Other configurations may be the same as those in the above-described embodiment.
  • the interchangeable linkage mechanism I has a structure in which the operating opening 271C having a larger diameter than the operating shaft 272 is formed in the output operating body 271 and the coil spring 274 and the steering neutral return spring 275 are used.
  • the present invention is not limited to this structure.
  • the flexibility due to the difference in diameter between the operation shaft 272 and the operation opening 271C is provided at a connection portion between the locking pin 273 and the operation wire 282 or other portions, or the accommodation due to such a difference in diameter is used.
  • the coil spring 274, which is an elastic body, or the steering neutral return spring 275 may be configured by the elastic biasing force.
  • the elastic body is not limited to a coil spring, and may have a structure using an elastic material such as a leaf spring or rubber. Other configurations may be the same as those in the above-described embodiment.
  • the operation lever 213 in the front-rear direction or the left-right direction is transmitted to the steering control valve V1 or the lift control valve V2, and the control is performed by hydraulic pressure. It is not limited to the structure.
  • a steering clutch for steering operation and a lifting clutch for lifting operation are provided, and the steering clutch and the lifting operation clutch and the operation linkage mechanism H of the operation lever 213 are directly connected by the operation wire 282. It is also possible to connect them to each other and perform a switching operation with an artificial operation force for operating the operation lever 213.
  • Other configurations may be the same as those in the above-described embodiment.
  • connection portion of the operation wire 282 to the output operation body 271 is configured to be shared by the locking pin 273.
  • the present invention is not limited to this.
  • the operation wire 282 may be connected by providing a connecting pin or an engaging part such as a hole at a place different from the locking pin 273.
  • connection location of the operation wire 282 is provided on the side opposite to the side where the locking pin 273 exists, the connection location may be provided on the same side as the side where the locking pin 273 exists.
  • Other configurations may be the same as those in the above-described embodiment.
  • the engaging body inserted into the operation opening 271C of the output operation body 271 and the projecting member inserted into the restriction opening 263B may be configured as separate members and provided at different sites.
  • the positions of the operation opening 271C and the restriction opening 263B may be provided at different locations according to the positions of the locking body and the protruding member.
  • Other configurations may be the same as those in the above-described embodiment.
  • the first shaft portion 261 and the second shaft portion 262 are provided on the shaft support member 260 side, and the first shaft portion 261 and the second shaft portion 262 are provided on the lever support frame 250 side and the operation lever 213 side.
  • the example of the structure provided with the bearing part 251 and the boss part 270 ⁇ / b> A for performing the bearing is illustrated, it is not limited to this structure.
  • a shaft portion is provided on the lever support frame 250 side
  • a cylindrical boss is provided on the shaft support member 260 side
  • a pivot shaft is provided on the operation lever 213 side. It is also possible to adopt an appropriate structure such as providing a cylindrical boss on the material 260 side.
  • Other configurations may be the same as those in the above-described embodiment.
  • the structure in which the swing operation of the operation lever is transmitted to the output operation body 271 via the interchange linkage mechanism I is illustrated, but the present invention is not limited to this.
  • the accommodation linkage mechanism I may be appropriately interposed in the middle of the operation system that transmits the swing operation of the output operation body 271 to the steering control valve V1 or the elevation control valve V2.
  • the output operation body 271 may be configured to allow a swing operation different from the steering control valve V1 or the elevation control valve V2. Other configurations may be the same as those in the above-described embodiment.
  • the present invention can be applied not only to a conventional combine harvester but also to a self harvesting combine harvester, a bean harvester such as soybean, or a corn harvester.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)
  • Guiding Agricultural Machines (AREA)
  • Harvesting Machines For Root Crops (AREA)
  • Steering Controls (AREA)
  • Lifting Devices For Agricultural Implements (AREA)

Abstract

L'invention concerne une moissonneuse comprenant un mécanisme de liaison d'actionnement qui transmet une opération d'oscillation d'un levier d'actionnement (13) à une partie d'entraînement de direction et une partie d'entraînement d'élévation/abaissement. Le mécanisme de liaison d'actionnement comprend : une unité de direction qui relie le levier d'actionnement (13) et la partie d'entraînement de direction ; et une unité d'élévation/abaissement qui relie le levier d'actionnement (13) et la partie d'entraînement d'élévation/abaissement. Chaque unité comprend un corps d'actionnement de sortie (71) qui transmet le mouvement d'oscillation du levier d'actionnement (13) à la partie d'entraînement de direction ou la partie d'entraînement d'élévation/abaissement. Dans des limites prédéfinies de déplacement de la partie d'entraînement de direction ou de la partie d'entraînement d'élévation/abaissement, le corps d'actionnement de sortie (71) se déplace d'un seul tenant avec le levier d'actionnement (13) en suivant le mouvement d'oscillation de celui-ci. Après que la partie d'entraînement de direction ou la partie d'entraînement d'élévation/abaissement a atteint une limite de mouvement des limites de déplacement, si le levier d'actionnement (13) est actionné dans une direction qui déplace la partie d'entraînement de direction ou la partie d'entraînement d'élévation/abaissement vers un côté au-delà desdites limites de déplacement, le corps d'actionnement de sortie (71) ne suit pas d'un seul tenant le levier d'actionnement (13), et seul le levier d'actionnement (13) est autorisé à effectuer le mouvement d'oscillation.
PCT/JP2015/073852 2014-09-02 2015-08-25 Moissonneuse WO2016035612A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN201910833037.5A CN110432005B (zh) 2014-09-02 2015-08-25 收割机
KR1020177008556A KR102422584B1 (ko) 2014-09-02 2015-08-25 수확기
CN201910833877.1A CN110432006B (zh) 2014-09-02 2015-08-25 转向机构
CN201910833035.6A CN110432004B (zh) 2014-09-02 2015-08-25 转向机构
CN201580046942.6A CN106793755B (zh) 2014-09-02 2015-08-25 收割机
PH12017500362A PH12017500362B1 (en) 2014-09-02 2017-02-28 Harvesting machine

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2014178281A JP6280845B2 (ja) 2014-09-02 2014-09-02 収穫機
JP2014-178269 2014-09-02
JP2014178268A JP6280843B2 (ja) 2014-09-02 2014-09-02 収穫機
JP2014178269A JP6280844B2 (ja) 2014-09-02 2014-09-02 収穫機
JP2014-178281 2014-09-02
JP2014-178268 2014-09-02

Publications (1)

Publication Number Publication Date
WO2016035612A1 true WO2016035612A1 (fr) 2016-03-10

Family

ID=55439678

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/073852 WO2016035612A1 (fr) 2014-09-02 2015-08-25 Moissonneuse

Country Status (4)

Country Link
KR (1) KR102422584B1 (fr)
CN (4) CN110432005B (fr)
PH (1) PH12017500362B1 (fr)
WO (1) WO2016035612A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6923756B2 (ja) * 2018-06-27 2021-08-25 本田技研工業株式会社 操舵機構、及び、それを備えた車椅子

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6310837U (fr) * 1986-07-09 1988-01-25
JP3717457B2 (ja) * 2002-03-29 2005-11-16 株式会社クボタ ステアリングレバーの支持構造
JP2007082450A (ja) * 2005-09-21 2007-04-05 Kubota Corp 作業車の操作装置
JP2007094825A (ja) * 2005-09-29 2007-04-12 Kubota Corp 作業車の操作装置

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2502161Y2 (ja) * 1989-09-04 1996-06-19 株式会社クボタ 全稈投入型コンバインの操作装置
CZ291142B6 (cs) * 1994-06-14 2002-12-11 Brinks Westmaas B. V. Směrové řiditelné vozidlo se samočinným vyrovnáváním, opatřené alespoň třemi koly
JP3294752B2 (ja) 1996-02-02 2002-06-24 株式会社クボタ コンバインの操縦塔構造
AU4965997A (en) * 1997-01-23 1998-08-18 Yanmar Agricultural Equipment Co., Ltd. Mobile agricultural machine
JP3831531B2 (ja) * 1998-09-11 2006-10-11 ヤンマー農機株式会社 コンバインの走行装置
JP4065362B2 (ja) * 1999-12-03 2008-03-26 ヤンマー農機株式会社 クローラ走行車
JP2001245521A (ja) * 2000-03-06 2001-09-11 Yanmar Agricult Equip Co Ltd 汎用コンバイン
US7182691B1 (en) * 2000-09-28 2007-02-27 Immersion Corporation Directional inertial tactile feedback using rotating masses
JP2003095116A (ja) 2001-09-19 2003-04-03 Kubota Corp 作業機の操作部構造
JP3870879B2 (ja) * 2002-08-30 2007-01-24 井関農機株式会社 コンバイン
JP4101139B2 (ja) * 2003-09-10 2008-06-18 株式会社クボタ 収穫機
JP2006042609A (ja) * 2004-07-30 2006-02-16 Iseki & Co Ltd コンバイン
JP4390072B2 (ja) * 2005-02-28 2009-12-24 井関農機株式会社 コンバイン
GB0507929D0 (en) * 2005-04-20 2005-06-01 Cnh Belgium Nv Agricultural vehicle with reconfigurable control
JP4101255B2 (ja) * 2005-06-08 2008-06-18 株式会社クボタ 農作業機の操向装置
JP4746416B2 (ja) * 2005-12-01 2011-08-10 株式会社クボタ クローラ走行装置のクローラ緊張装置
CN103392447B (zh) * 2005-12-01 2016-08-10 株式会社久保田 联合收割机
KR100983147B1 (ko) * 2006-09-06 2010-09-20 가부시끼 가이샤 구보다 콤바인
CN201001287Y (zh) * 2006-09-12 2008-01-09 许明远 一种自走式低杆作物联合收割机
KR101475522B1 (ko) * 2007-06-25 2014-12-22 가부시끼 가이샤 구보다 작업차
JP2009001233A (ja) * 2007-06-25 2009-01-08 Kubota Corp 作業機のクローラ走行装置
CN201156885Y (zh) * 2008-01-18 2008-12-03 王辉 履带行走式微型水稻联合收割机
KR101131818B1 (ko) * 2010-03-12 2012-03-30 이세키노우키가부시키가이샤 콤바인
JP2012064152A (ja) * 2010-09-17 2012-03-29 Kubota Corp 作業車
CN103327803B (zh) * 2011-01-20 2015-12-02 洋马株式会社 联合收割机
JP5775695B2 (ja) * 2011-01-20 2015-09-09 ヤンマー株式会社 コンバイン
JP5778970B2 (ja) * 2011-04-15 2015-09-16 ヤンマー株式会社 作業車両
JP2013252071A (ja) * 2012-06-05 2013-12-19 Mitsubishi Agricultural Machinery Co Ltd 汎用コンバイン

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6310837U (fr) * 1986-07-09 1988-01-25
JP3717457B2 (ja) * 2002-03-29 2005-11-16 株式会社クボタ ステアリングレバーの支持構造
JP2007082450A (ja) * 2005-09-21 2007-04-05 Kubota Corp 作業車の操作装置
JP2007094825A (ja) * 2005-09-29 2007-04-12 Kubota Corp 作業車の操作装置

Also Published As

Publication number Publication date
CN106793755B (zh) 2019-09-27
KR102422584B1 (ko) 2022-07-20
KR20170053650A (ko) 2017-05-16
CN110432006A (zh) 2019-11-12
PH12017500362A1 (en) 2017-07-17
CN110432004A (zh) 2019-11-12
PH12017500362B1 (en) 2017-07-17
CN110432006B (zh) 2022-05-24
CN110432004B (zh) 2022-06-14
CN110432005B (zh) 2022-04-08
CN106793755A (zh) 2017-05-31
CN110432005A (zh) 2019-11-12

Similar Documents

Publication Publication Date Title
JP5155796B2 (ja) コンバイン
WO2016035612A1 (fr) Moissonneuse
JP2011177075A (ja) コンバイン
JP6280845B2 (ja) 収穫機
KR102018389B1 (ko) 콤바인
JP6280844B2 (ja) 収穫機
JP4264700B2 (ja) 自走車両
JP6280843B2 (ja) 収穫機
JP2015029456A (ja) コンバイン
US8266879B2 (en) Riding mower
JP4173898B2 (ja) コンバイン
JP6731886B2 (ja) 収穫機
JP4820216B2 (ja) コンバインの分草装置
JP5062346B2 (ja) コンバイン
JP5253220B2 (ja) 田植機
JP4816235B2 (ja) コンバイン
JP4502117B2 (ja) コンバイン
JP4888514B2 (ja) 作業車の操作装置
JP5874807B2 (ja) 苗移植機
JP5410239B2 (ja) 作業機
JP5701669B2 (ja) 田植機
JP2007300894A5 (fr)
JP2008136379A (ja) 収穫機
JP3294753B2 (ja) コンバイン
JP2000316359A (ja) コンバイン

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15837308

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 12017500362

Country of ref document: PH

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 20177008556

Country of ref document: KR

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 15837308

Country of ref document: EP

Kind code of ref document: A1