JPH104719A - Operating apparatus for combine harvester - Google Patents
Operating apparatus for combine harvesterInfo
- Publication number
- JPH104719A JPH104719A JP18666596A JP18666596A JPH104719A JP H104719 A JPH104719 A JP H104719A JP 18666596 A JP18666596 A JP 18666596A JP 18666596 A JP18666596 A JP 18666596A JP H104719 A JPH104719 A JP H104719A
- Authority
- JP
- Japan
- Prior art keywords
- steering
- transmission mechanism
- gear
- shaft
- hydraulic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 107
- 230000005540 biological transmission Effects 0.000 claims abstract description 55
- 230000007935 neutral effect Effects 0.000 claims abstract description 36
- 239000000446 fuel Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 239000010902 straw Substances 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
Landscapes
- Guiding Agricultural Machines (AREA)
- Harvester Elements (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は走行速度の変速を主
変速及び副変速機構で、また機体の旋回を操向ハンドル
で行うようにしたコンバインの操作装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine operating device in which a traveling speed is changed by a main transmission and a subtransmission mechanism, and a turning of a body is performed by a steering wheel.
【０００２】[0002]
【発明が解決しようとする課題】エンジンからの駆動力
を、主変速機構を構成する油圧変速機構及びギヤ差動機
構を介しクローラなど走行部に伝達して機体の走行を行
うと共に、操向ハンドルの操作力を油圧操向機構を介し
ギヤ差動機構に伝達して機体の旋回を行う手段のものに
あっては、ミッションケース内の油圧変速機構とギヤ差
動機構との間に介設される副変速機構が中立を保持して
いる場合でも、操向ハンドルが中立以外の旋回操作状態
にあるときには、油圧操向機構から出力される旋回駆動
力でもって差動機構が作動して、走行部が駆動し機体の
一点旋回などが行われる。The driving force from the engine is transmitted to a traveling section such as a crawler via a hydraulic transmission mechanism and a gear differential mechanism constituting a main transmission mechanism, so that the body travels and a steering handle is provided. Means for transmitting the operating force of the vehicle to the gear differential mechanism via the hydraulic steering mechanism to turn the aircraft, is provided between the hydraulic transmission mechanism and the gear differential mechanism in the transmission case. When the steering wheel is in a turning operation state other than neutral, the differential mechanism operates with the turning drive force output from the hydraulic steering mechanism even when the auxiliary transmission mechanism is The unit is driven to perform one-point turning of the body.
【０００３】[0003]
【課題を解決するための手段】したがって本発明は、エ
ンジンからの駆動力を油圧変速機構及びギヤ差動機構を
介し走行部に伝達して機体を変速自在に走行すると共
に、操向ハンドルの操作力を油圧操向機構を介してギヤ
差動機構に伝達して、左右走行部の回転を異ならせて機
体の旋回を行うようにしたコンバインの操作装置におい
て、前記変速機構と差動機構との間に介設する副変速機
構の中立操作時で、操向ハンドルの旋回操作時に走行を
停止させる走行停止手段を設けて、副変速機構の中立操
作時において、操向ハンドルが中立以外の旋回操作状態
にあって機体が旋回するようなときにも、例えばエンジ
ンを停止させるなどして、不測に機体が旋回するのを防
止するものである。SUMMARY OF THE INVENTION Accordingly, the present invention is to transmit a driving force from an engine to a traveling section via a hydraulic transmission mechanism and a gear differential mechanism to travel the vehicle freely and to operate a steering handle. In a combine operating device in which force is transmitted to a gear differential mechanism via a hydraulic steering mechanism to cause the body to turn by varying the rotation of the left and right running parts, the combine mechanism and the differential mechanism At the time of the neutral operation of the sub-transmission mechanism interposed, traveling stop means for stopping the running at the time of the turning operation of the steering wheel is provided, and at the time of the neutral operation of the sub-transmission mechanism, the turning operation of the steering wheel other than the neutral operation is performed. Even when the aircraft turns in the state, the engine is stopped, for example, to prevent the aircraft from unexpectedly turning.
【０００４】また、エンジンからの駆動力を油圧変速機
構及びギヤ差動機構を介し走行部に伝達して機体を変速
自在に走行すると共に、操向ハンドルの操作力を油圧操
向機構を介してギヤ差動機構に伝達して、左右走行部の
回転を異ならせて機体の旋回を行うようにしたコンバイ
ンの操作装置において、前記変速機構と差動機構との間
に介設する副変速機構の中立操作時に、操向ハンドルの
操作出力を停止させる操向停止手段を設けて、副変速の
中立操作時においては、操向ハンドルの操作出力で機体
の旋回動作が行われるのを防止して、機体の確実な停止
保持を図るものである。In addition, the driving force from the engine is transmitted to the traveling section via a hydraulic transmission mechanism and a gear differential mechanism to travel the vehicle freely, and the operating force of the steering handle is transmitted via the hydraulic steering mechanism. In a combine operating device that transmits to a gear differential mechanism to cause the body to turn by varying the rotation of the left and right traveling units, a sub-transmission mechanism interposed between the transmission mechanism and the differential mechanism is provided. At the time of the neutral operation, a steering stop means for stopping the operation output of the steering handle is provided, and at the time of the neutral operation of the sub-shift, the turning operation of the body is prevented from being performed by the operation output of the steering handle, The purpose is to ensure that the body is stopped and held.
【０００５】[0005]
【発明の実施の形態】以下、本発明の実施例を図面に基
づいて詳述する。図１はエンジンの制御回路図、図２は
コンバインの全体側面図、図３は同平面図であり、図中
（１）は走行クローラ（２）を装設するトラックフレー
ム、（３）は前記トラックフレーム（１）に架設する機
台、（４）はフィードチェン（５）を左側に張架し扱胴
（６）及び処理胴（７）を内蔵している脱穀機である脱
穀部、（８）は刈刃（９）及び穀稈搬送機構（１０）な
どを備える刈取部、（１１）は刈取フレーム（１２）を
介して刈取部（８）を昇降させる油圧シリンダ、（１
３）は排藁チェン（１４）終端を臨ませる排藁処理部、
（１５）は脱穀部（４）からの穀粒を揚穀筒（１６）を
介して搬入する穀物タンク、（１７）は前記タンク（１
５）の穀粒を機外に搬出する排出オーガ、（１８）は丸
形操向ハンドル（１９）及び運転席（２０）などを備え
る運転キャビン、（２１）は運転キャビン（１８）下方
に設けるエンジンであり、連続的に穀稈を刈取って脱穀
するように構成している。Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is a control circuit diagram of the engine, FIG. 2 is an overall side view of the combine, FIG. 3 is a plan view of the combine, (1) is a track frame on which a traveling crawler (2) is mounted, and (3) is the aforementioned A thruster which is a threshing machine which is a threshing machine having a feed chain (5) stretched to the left and a handling cylinder (6) and a processing cylinder (7) built therein, 8) is a cutting section provided with a cutting blade (9) and a grain culm transport mechanism (10), etc., (11) is a hydraulic cylinder that moves the cutting section (8) up and down via a cutting frame (12), (1)
3) a straw processing unit that faces the end of the straw chain (14);
(15) is a grain tank for carrying the grains from the threshing unit (4) via a fryer (16), and (17) is a grain tank (1).
5) A discharge auger for carrying out grains outside the machine, (18) an operation cabin provided with a round steering handle (19) and a driver's seat (20), and (21) provided below the operation cabin (18). It is an engine and is configured to continuously cut and thresh grain culms.
【０００６】図４に示す如く、前記走行クローラ（２）
を駆動するミッションケース（２２）は、１対の第１油
圧ポンプ（２３）及び第１油圧モータ（２４）からなる
主変速機構である走行用の油圧式無段変速機構（２５）
と、１対の第２油圧ポンプ（２６）及び第２油圧モータ
（２７）からなる操向機構である旋回用の油圧式無段変
速機構（２８）とを備え、前記エンジン（２１）の出力
軸（２１ａ）に第１油圧ポンプ（２３）の入力軸（２３
ａ）を伝達ベルト（２９）を介し連動連結させると共
に、第２油圧ポンプ（２６）の入力軸（２６ａ）を伝達
ベルト（３０）を介し前記第１油圧ポンプ（２３）の入
力軸（２３ａ）に連動連結させている。As shown in FIG. 4, the traveling crawler (2)
The transmission case (22) for driving the vehicle is a traveling hydraulic continuously variable transmission mechanism (25) which is a main transmission mechanism including a pair of a first hydraulic pump (23) and a first hydraulic motor (24).
And a turning hydraulic continuously variable transmission mechanism (28), which is a steering mechanism including a pair of second hydraulic pumps (26) and a second hydraulic motor (27), and an output of the engine (21). The input shaft (23) of the first hydraulic pump (23) is connected to the shaft (21a).
a) is linked via a transmission belt (29), and the input shaft (26a) of the second hydraulic pump (26) is connected via the transmission belt (30) to the input shaft (23a) of the first hydraulic pump (23). It is linked and linked.
【０００７】そして前記第１油圧モータ（２４）の出力
軸（３１）に、副変速機構（３２）及び差動機構（３
３）を介し走行クローラ（２）の駆動輪（３４）を連動
連結させるもので、前記差動機構（３３）は左右対称の
１対の遊星ギヤ機構（３５）（３５）を有し、各遊星ギ
ヤ機構（３５）は１つのサンギヤ（３６）と、該サンギ
ヤ（３６）の外周で噛合う３つのプラネタリギヤ（３
７）と、これらプラネタリギヤ（３７）に噛合うリング
ギヤ（３８）などで形成している。An auxiliary transmission mechanism (32) and a differential mechanism (3) are connected to an output shaft (31) of the first hydraulic motor (24).
3) The driving wheels (34) of the traveling crawler (2) are interlocked via 3). The differential mechanism (33) has a pair of symmetrical planetary gear mechanisms (35) and (35). The planetary gear mechanism (35) includes one sun gear (36) and three planetary gears (3) meshing on the outer periphery of the sun gear (36).
7) and a ring gear (38) meshing with these planetary gears (37).
【０００８】前記プラネタリギヤ（３７）はサンギヤ軸
（３９）と同軸線上とのキャリヤ軸（４０）のキャリヤ
（４１）にそれぞれ回転自在に軸支させ、左右のサンギ
ヤ（３６）（３６）を挾んで左右のキャリヤ（４１）を
対向配置させると共に、前記リングギヤ（３８）は各プ
ラネタリギヤ（３７）に噛み合う内歯を有してサンギヤ
軸（３９）とは同一軸芯状に配置させ、キャリヤ軸（４
０）に回転自在に軸支させている。The planetary gear (37) is rotatably supported on a carrier (41) of a carrier shaft (40) on a coaxial line with a sun gear shaft (39), and sandwiches left and right sun gears (36) and (36). The left and right carriers (41) are arranged facing each other, the ring gear (38) has internal teeth meshing with each planetary gear (37), and is arranged coaxially with the sun gear shaft (39).
0) is rotatably supported.
【０００９】また、走行用の油圧式無段変速機構（２
５）は第１油圧ポンプ（２３）の回転斜板の角度変更調
節により第１油圧モータ（２４）の正逆回転と回転数の
制御を行うもので、第１油圧モータ（２４）の回転出力
を出力軸（３１）の伝達ギヤ（４２）より各ギヤ（４
３）（４４）（４５）及び副変速機構（３２）を介し
て、サンギヤ軸（３９）に固定したセンタギヤ（４６）
に伝達してサンギヤ（３６）を回転するように構成して
いる。前記副変速機構（３２）は、前記ギヤ（４５）を
有する副変速軸（４７）と、前記センタギヤ（４６）に
噛合うギヤ（４８）を有する車速センサ軸（４９）とを
備え、副変速軸（４７）とセンサ軸（４９）間に各１対
の低速用ギヤ（５０）（４８）・中速用ギヤ（５１）
（５２）・高速用ギヤ（５３）（５４）を設けて、中央
位置のギヤ（５１）のスライド操作によってこれら低速
・中速・高速の切換えを可能とさせるように構成してい
る。また前記センサ軸（４９）には車速検出ギヤ（５
５）を設けると共に、該ギヤ（５５）の回転数より車速
を検出する車速センサ（５６）を設けている。なお、作
業機などに回転力を伝達するＰＴＯ軸（５７）のＰＴＯ
入力ギヤ（５８）に、ＰＴＯ伝達ギヤ機構（５９）を介
し前記出力軸（３１）を連動連結させている。A traveling hydraulic continuously variable transmission mechanism (2)
5) Controlling the forward / reverse rotation and rotation speed of the first hydraulic motor (24) by adjusting the angle change of the rotary swash plate of the first hydraulic pump (23), and the rotation output of the first hydraulic motor (24). From the transmission gear (42) of the output shaft (31) to each gear (4
3) A center gear (46) fixed to the sun gear shaft (39) via (44) (45) and the auxiliary transmission mechanism (32).
To rotate the sun gear (36). The auxiliary transmission mechanism (32) includes an auxiliary transmission shaft (47) having the gear (45) and a vehicle speed sensor shaft (49) having a gear (48) meshing with the center gear (46). A pair of low-speed gears (50) and (48) and a medium-speed gear (51) between the shaft (47) and the sensor shaft (49).
(52) -High speed gears (53) and (54) are provided to enable switching between low speed, medium speed and high speed by sliding operation of the gear (51) at the center position. The sensor shaft (49) has a vehicle speed detecting gear (5).
5) and a vehicle speed sensor (56) for detecting the vehicle speed from the rotation speed of the gear (55). In addition, the PTO of the PTO shaft (57) that transmits the rotational force to the work equipment, etc.
The output shaft (31) is linked to the input gear (58) via a PTO transmission gear mechanism (59).
【００１０】そして、前記センタギヤ（４６）を介しサ
ンギヤ軸（３９）に伝達された第１油圧モータ（２４）
からの駆動力を、左右の遊星ギヤ機構（３５）を介しキ
ャリヤ軸（４０）に伝達させると共に、該キャリヤ軸
（４０）に伝達された回転を左右各一対の減速ギヤ（６
０）（６１）を介し左右の駆動輪（３４）の左右輪軸
（３４ａ）にそれぞれ伝えるように構成している。The first hydraulic motor (24) transmitted to the sun gear shaft (39) via the center gear (46).
Is transmitted to the carrier shaft (40) through the left and right planetary gear mechanisms (35), and the rotation transmitted to the carrier shaft (40) is transmitted to the pair of left and right reduction gears (6).
0) and (61) to the left and right wheel shafts (34a) of the left and right drive wheels (34), respectively.
【００１１】さらに、旋回用の油圧式無段変速機構（２
８）は第２油圧ポンプ（２６）の回転斜板の角度変更調
節により第２油圧モータ（２７）の正逆回転と回転数の
制御を行うもので、第２油圧モータ（２７）の出力軸
（６２）の出力ギヤからギヤ伝達機構（６３）を介し旋
回入力軸（６４）の入力ギヤ（６５ａ）（６５ｂ）に回
転出力を伝達し、左側のリングギヤ（３８）の外歯を対
しては直接的に、また右側のリングギヤ（３８）の外歯
に対しては逆転軸（６６）の逆転ギヤ（６７）を介し伝
えて、第２油圧モータ（２７）の正転時に左右のリング
ギヤ（３８）を左右同一回転数で左ギヤ（３８）を逆
転、右ギヤ（３８）を正転とさせるように構成してい
る。Further, a hydraulic stepless speed change mechanism for turning (2)
8) The forward / reverse rotation of the second hydraulic motor (27) and the control of the rotation speed are performed by adjusting the angle change of the rotary swash plate of the second hydraulic pump (26). The output shaft of the second hydraulic motor (27) The rotation output is transmitted from the output gear of (62) to the input gears (65a) and (65b) of the turning input shaft (64) via the gear transmission mechanism (63), and the outer teeth of the left ring gear (38) are Directly and to the external teeth of the right ring gear (38) via the reverse rotation gear (67) of the reverse rotation shaft (66), the right and left ring gears (38) are rotated when the second hydraulic motor (27) rotates forward. ) Are configured to rotate the left gear (38) in the reverse direction and the right gear (38) in the forward direction at the same left and right rotation speeds.
【００１２】而して旋回用の第２油圧ポンプ（２６）の
駆動を停止させ左右リングギヤ（３８）を静止固定させ
た状態で、走行用の第１油圧ポンプ（２３）の駆動を行
うと、第１油圧モータ（２４）からの回転出力はセンタ
ギヤ（４６）から左右のサンギヤ（３６）に同一回転数
で伝達され、左右遊星ギヤ機構（３５）のプラネタリギ
ヤ（３７）・キャリヤ（４１）及び減速ギヤ（６０）
（６１）を介し左右の輪軸（３４ａ）に左右同回転方向
の同一回転数で伝達されて、機体の前後直進走行が行わ
れる。一方、走行用の第１油圧ポンプ（２３）の駆動を
停止させ左右のサンギヤ（３６）を静止固定させた状態
で、旋回用の第２油圧ポンプ（２６）を正逆回転駆動す
ると、左側の遊星ギヤ機構（３５）が逆或いは正回転、
また右側の遊星ギヤ機構（３５）が正或いは逆回転し
て、左右走行クローラ（２）の駆動方向を前後逆方向と
させて機体を左或いは右にその場でスピンターンさせる
ものである。When the driving of the second hydraulic pump (23) is stopped and the left and right ring gears (38) are stationary, the driving of the first hydraulic pump (23) is performed. The rotation output from the first hydraulic motor (24) is transmitted from the center gear (46) to the left and right sun gears (36) at the same speed, and the planetary gears (37) and the carrier (41) of the left and right planetary gear mechanism (35) and the reduction gear. Gear (60)
(61) is transmitted to the left and right wheel sets (34a) at the same rotational speed in the same rotational direction in the left and right directions, so that the aircraft travels straight forward and backward. On the other hand, when the drive of the first hydraulic pump (23) for traveling is stopped and the left and right sun gears (36) are stationary and fixed, the second hydraulic pump (26) for turning is driven forward and reverse to rotate the left hydraulic pump (23). The planetary gear mechanism (35) rotates in reverse or forward,
In addition, the right planetary gear mechanism (35) rotates forward or reverse to make the driving direction of the left and right traveling crawlers (2) forward and backward, thereby causing the airframe to spin left or right on the spot.
【００１３】また走行用の第１油圧ポンプ（２３）を駆
動させながら、旋回用の第２油圧ポンプ（２６）を駆動
して機体を左右に旋回させる場合には旋回半径の大きい
旋回を可能にできるもので、その旋回半径は左右走行ク
ローラ（２）の速度に応じ決定される。Further, when the first hydraulic pump (23) for traveling is driven and the second hydraulic pump (26) for turning is driven to turn the machine body left and right, turning with a large turning radius is enabled. The turning radius is determined according to the speed of the left and right traveling crawlers (2).
【００１４】図５乃至図１３に示す如く、前記走行用の
油圧式無段変速機構（２５）に連結する主変速レバー
（６８）と、旋回用の油圧式無段変速機構（２８）に連
結する操向ハンドル（１９）とを、連動手段である変速
及び旋回連動機構（６９）に連動連結させると共に、該
連動機構（６９）を走行変速及び操向リンク機構（７
０）（７１）介し走行及び操向用の無段変速機構（２
５）（２８）のコントロールレバー（７２）（７３）に
連動連結させている。As shown in FIGS. 5 to 13, the main transmission lever (68) connected to the hydraulic stepless transmission mechanism (25) for traveling and the hydraulic stepless transmission mechanism (28) for turning. And the steering handle (19) to be linked to the speed change and turning interlocking mechanism (69) as interlocking means, and the interlocking mechanism (69) is connected to the traveling speed and steering link mechanism (7).
0) and (71) a continuously variable transmission mechanism (2) for traveling and steering.
5) It is linked to the control levers (72) and (73) of (28).
【００１５】前記連動機構（６９）は、主変速レバー
（６８）の基端折曲部（６８ａ）を筒軸（７４）に左右
揺動自在に支持する回動板（７５）と、機体側の本機フ
レーム（７６）に固設して前記回動板（７５）を左右方
向の第１枢軸（７７）を介し前後回動自在に支持する固
定取付板（７８）と、前記枢軸（７７）とは直交する前
後方向の第２枢軸（７９）を介して回動板（７５）に連
結させて該軸（７９）回りに回動自在に設ける変速操作
部材（８０）と、前記第２枢軸（７９）の軸回りに回動
自在に連結させる操向操作部材（８１）とを備え、変速
及び操向操作部材（８０）（８１）の第２枢軸（７９）
とは偏心位置の各操作出力部（８０ａ）（８１ａ）を変
速及び操向リンク機構（７０）（７１）に連動連結させ
ている。The interlocking mechanism (69) includes a rotating plate (75) for supporting the base bent portion (68a) of the main speed change lever (68) on the cylinder shaft (74) so as to be able to swing left and right, and a body side. A fixed mounting plate (78) fixedly mounted on the frame (76) of the main body and supporting the rotating plate (75) rotatably back and forth via a first pivot (77) in the left-right direction; and the pivot (77). A) a speed change operation member (80) that is connected to a rotation plate (75) via a second pivot (79) in the front-rear direction orthogonal to the second direction and is provided rotatably around the shaft (79); A steering operation member (81) rotatably connected around an axis of the pivot (79), and a second pivot (79) of the speed change and steering operation members (80) (81).
Means that the operation output sections (80a) (81a) at the eccentric position are linked to the speed change and steering link mechanisms (70) (71).
【００１６】前記変速及び操向リンク機構（７０）（７
１）は、連動機構（６９）後方位置で本機フレーム（７
６）側に揺動軸（８２）外側の揺動筒軸（８３）を介し
支持する変速アーム（８４）と、前記揺動軸（８２）に
基端を固設する操向アーム（８５）と、前記出力部（８
０ａ）（８１ａ）の各操作出力軸（８６）（８７）と各
アーム（８４）（８５）間を連結する自在継手軸（８
８）（８９）と、前記筒軸（８３）及び揺動軸（８２）
の右端に固設する変速及び操向出力アーム（９０）（９
１）と、前記運転キャビン（１８）の回動支点軸（９
２）の支点軸受（９３）に取付ける中間軸（９４）に回
転自在に設ける変速及び操向用第１揺動アーム（９５）
（９６）と、前記出力アーム（９０）（９１）と第１揺
動アーム（９５）（９６）の各先端間をそれぞれ連結す
る変速及び操向用自在継手形第１ロッド（９７）（９
８）と、前記中間軸（９４）に設けて第１揺動アーム
（９５）（９６）に一体連結する変速及び操向用第２揺
動アーム（９９）（１００）と、前記ミッションケース
（２２）上部の軸受板（１０１）に取付ける支軸（１０
２）に回動自在に支持させる変速及び操向用筒軸（１０
３）（１０４）と、該筒軸（１０３）（１０４）に基端
を固設する第１揺動アーム（１０５）（１０６）と前記
第２揺動アーム（９９）（１００）の各先端間を連結す
る変速及び操向用自在継手形第２ロッド（１０７）（１
０８）と、前記筒軸（１０３）（１０４）に基端を固設
する第２揺動アーム（１０９）（１１０）と前記コント
ロールレバー（７２）（７３）の各先端間を連結させる
変速及び操向用自在継手形第３ロッド（１１１）（１１
２）とを備え、前記第１枢軸（７７）を中心とした変速
操作部材（８０）の回動によって走行用のコントロール
レバー（７２）を、また走行中の第２枢軸（７９）を中
心とした操向操作部材（８１）の回動によって操向用の
コントロールレバー（７３）を操作して変速及び操向制
御を行うように構成している。The speed change and steering link mechanism (70) (7)
1) is the frame (7) at the rear of the interlocking mechanism (69).
6) A speed change arm (84) supported on the side of the swing shaft (82) via a swing cylinder shaft (83) outside the swing shaft (82), and a steering arm (85) having a base end fixed to the swing shaft (82). And the output unit (8
0a) The universal joint shaft (8) connecting between the operation output shafts (86) (87) of (81a) and the arms (84) (85).
8) (89), the cylinder shaft (83) and the swing shaft (82)
Speed change and steering output arm (90) (9)
1) and a rotation fulcrum shaft (9) of the driving cabin (18).
First swing and steering first swing arm (95) provided rotatably on an intermediate shaft (94) attached to the fulcrum bearing (93) of 2).
(96) and a universal joint type first rod (97) (9) for shifting and steering, which connects between the respective ends of the output arm (90) (91) and the first swing arm (95) (96).
8), a speed change and steering second swing arm (99) (100) provided on the intermediate shaft (94) and integrally connected to the first swing arm (95) (96), and the transmission case ( 22) A spindle (10) attached to the upper bearing plate (101)
The transmission and steering cylinder shaft (10) rotatably supported by 2)
3) (104), and first ends of the first swing arms (105) and (106) and the second swing arms (99) and (100) having bases fixed to the cylindrical shafts (103) and (104). Speed change and steering universal joint type second rod (107) (1
08), and a speed change for connecting the second swinging arms (109) (110) having their base ends fixed to the cylinder shafts (103) (104) and the respective distal ends of the control levers (72) (73). Steering universal joint type third rod (111) (11)
2), the rotation of the speed change operation member (80) about the first pivot (77) causes the traveling control lever (72) to move around the second pivot (79). The steering control lever (73) is operated by the rotation of the steering operation member (81) to perform the speed change and the steering control.
【００１７】一方前記操向ハンドル（１９）下端のハン
ドル操作軸（１１３）にギヤ（１１４）を設けて、この
後方の回転軸（１１５）に取付けるセクタギヤ（１１
６）に前記ギヤ（１１４）を噛合せると共に、前記主変
速レバー（６８）位置下方に配設する操向軸（１１７）
の第１揺動アーム（１１８）と、前記回転軸（１１５）
に基端を固設する出力アーム（１１９）との各先端間を
操向リンク機構である自在継手形操向第１ロッド（１２
０）を介して連結させ、操向軸（１１７）の第１揺動ア
ーム（１１８）と一体の第２揺動アーム（１２１）を、
前記自在継手軸（８９）の前端に自在継手形操向第２ロ
ッド（１２２）を介して連結させ、前記ハンドル（１
９）の回動操作によって前記第２枢軸（７９）を中心と
して操向操作部材（８１）を回動するように構成してい
る。On the other hand, a gear (114) is provided on the handle operation shaft (113) at the lower end of the steering handle (19), and the sector gear (11) attached to the rear rotation shaft (115).
6) meshing the gear (114) with the steering shaft (117) disposed below the position of the main shift lever (68).
The first swing arm (118) and the rotating shaft (115)
A universal joint type steering first rod (12) serving as a steering link mechanism is provided between each of the distal ends of the output arm (119) and the output arm (119) having the base end fixed thereto.
0), and a second swing arm (121) integrated with the first swing arm (118) of the steering shaft (117),
The universal joint shaft (89) is connected to the front end of the universal joint type steering second rod (122) via the handle (1).
The steering operation member (81) is configured to rotate around the second pivot (79) by the rotation operation of (9).
【００１８】また、前記ハンドル操作軸（１１３）のギ
ヤ（１１４）下方に中立位置決め板（１２３）を設けて
いて、該位置決め板（１２３）下面の突出軸（１２４）
に操向検出リンク（１２５）の一端を連結させ、前記回
転軸（１１５）の右側に配設する減速アーム軸（１２
６）の第１揺動アーム（１２７）と前記検出リンク（１
２５）の他端長孔（１２５ａ）とを軸（１２８）を介し
連結させると共に、前記操向軸（１１７）の減速アーム
（１２９）と減速アーム軸（１２６）の第２揺動アーム
（１３０）との各先端間を減速リンク機構である自在継
手形第１減速ロッド（１３１）で連結させ、前記変速操
作部材（８０）の最右端の減速伝達軸（１３２）と第２
揺動アーム（１３０）の他端間を自在継手形第２減速ロ
ッド（１３３）で連結させて、走行状態で前記ハンドル
（１９）の操向量を大とする程第２減速ロッド（１３
３）を下方に引張って走行速度を減速させるように構成
している。A neutral positioning plate (123) is provided below the gear (114) of the handle operation shaft (113), and a projecting shaft (124) on the lower surface of the positioning plate (123) is provided.
To one end of a steering detection link (125), and a reduction arm shaft (12) disposed on the right side of the rotation shaft (115).
6) the first swing arm (127) and the detection link (1).
25) is connected to the other long hole (125a) via a shaft (128), and the reduction arm (129) of the steering shaft (117) and the second swing arm (130) of the reduction arm shaft (126) are connected. ) Are connected by a universal joint type first deceleration rod (131) which is a deceleration link mechanism, and the rightmost deceleration transmission shaft (132) of the speed change operation member (80) is connected to the second deceleration transmission shaft (132).
The other end of the swing arm (130) is connected by a universal joint type second deceleration rod (133), and the larger the steering amount of the handle (19) in the running state, the larger the second deceleration rod (13).
3) is pulled downward to reduce the traveling speed.
【００１９】ところで前記変速及び操向操作部材（８
０）（８１）を軸回りに回動可能とさせる第２枢軸（７
９）と、操向アーム（８５）と継手軸（８９）との自在
継手部（８９ａ）とを前後方向の水平ライン（Ｌ１）上
に位置させ、また前記操作出力軸（８６）（８７）と自
在継手軸（８８）（８９）との自在継手部（８８ｂ）
（８９ｂ）と、第１枢軸（７７）とを前記ライン（Ｌ
１）に直交させる左右水平ライン（Ｌ２）上に位置さ
せ、さらに前記変速アーム（８４）と継手軸（８８）と
の自在継手部（８８ａ）と前記継手部（８９ａ）とを前
記ライン（Ｌ２）と平行な左右水平ライン（Ｌ３）上に
位置させて、主変速レバー（６８）及び操向ハンドル
（１９）の中立保持時に、これら何れか一方が操作され
ても、各操作部材（８０）（８１）を第１及び第２枢軸
（７７）（７９）の軸回りに回動させるのみとさせて、
継手軸（８８）（８９）には操作力を作用させないもの
である。The speed change and steering operation member (8)
0) (81) can be rotated around the axis.
9) and the universal joint (89a) of the steering arm (85) and the joint shaft (89) are positioned on the horizontal line (L1) in the front-rear direction, and the operation output shafts (86) (87) Joint part (88b) between the universal joint shaft (88) and the universal joint shaft (89)
(89b) and the first pivot (77) are connected to the line (L).
1) is located on a horizontal horizontal line (L2) orthogonal to the line (L2). Further, the universal joint (88a) between the transmission arm (84) and the joint shaft (88) and the joint (89a) are connected to the line (L2). ) Are positioned on the left and right horizontal lines (L3) parallel to the main shift lever (68) and the steering handle (19), even if one of them is operated when the neutral position is maintained. (81) is only rotated about the first and second pivots (77) and (79),
No operating force is applied to the joint shafts (88) and (89).
【００２０】そして図９にも示す如く、主変速レバー
（６８）の前後進操作で、第１枢軸（７７）を中心とし
て操作部材（８０）を前後に角度（α１）（α２）傾け
るとき前記継手軸（８８）を引張って或いは押して変速
アーム（８４）を動作させて走行速度の前後進の切換え
を行うと共に、図１０に示す如くこの状態中（主変速レ
バー（６８）が中立以外のとき）に操向ハンドル（１
９）の回動操作で第２枢軸（７９）を中心として操作部
材（８１）を上下に角度（β１）（β２）傾けるとき継
手軸（８９）を引張って或いは押して操向アーム（８
５）を動作させて機体の左及び右旋回を行うものであ
る。（主変速の中立時に旋回操作を行っても継手軸（８
９）はライン（Ｌ１）を中心とした円錐面上で移動する
状態となって継手部（８９ａ）（８９ｂ）間の距離は変
化しない。）As shown in FIG. 9, when the operation member (80) is inclined forward and backward by an angle (α1) (α2) about the first pivot (77) by the forward and backward operation of the main shift lever (68). By operating the speed change arm (84) by pulling or pushing the joint shaft (88), the traveling speed is switched between forward and reverse, and in this state as shown in FIG. 10 (when the main speed change lever (68) is other than neutral). ) To the steering wheel (1
When the operating member (81) is tilted up and down by an angle (β1) (β2) about the second pivot (79) in the turning operation of 9), the joint shaft (89) is pulled or pushed to pull the steering arm (8).
5) is operated to make a left and right turn of the body. (The joint shaft (8
9) moves on a conical surface centered on the line (L1), and the distance between the joints (89a) (89b) does not change. )
【００２１】また図１２にも示す如く、前記操向ハンド
ル（１９）に設ける検出リンク（１２５）は中立位置よ
り右或いは左旋回操作の何れにおいても第１揺動アーム
（１２７）を同一方向に角度（θ）の範囲で回動させて
第２減速ロッド（１３３）を常に引張る状態とさせて、
前進操作時の操作部材（８０）が角度（α１）側に傾い
てるときには、継手部（８８ａ）（８８ｂ）間の距離を
縮め、また後進操作時の操作部材（８０）が角度（α
２）側に傾いているときには、継手部（８８ａ）（８８
ｂ）間の距離を大きくして、変速アーム（８４）をそれ
ぞれ中立方向の低速側に変位させて、その旋回量に応じ
た減速を行うものである。As shown in FIG. 12, the detection link (125) provided on the steering handle (19) moves the first swing arm (127) in the same direction in either right or left turning operation from the neutral position. By rotating in the range of the angle (θ), the second deceleration rod (133) is always pulled,
When the operating member (80) at the time of the forward operation is inclined toward the angle (α1), the distance between the joints (88a) and (88b) is reduced, and the operating member (80) at the time of the reverse operation is moved to the angle (α).
2) When inclined to the side, the joints (88a) (88
b), the distance between them is increased, and the speed change arms (84) are respectively displaced toward the low speed side in the neutral direction to perform deceleration according to the turning amount.
【００２２】さらに、変速及び操向の操作力を伝達する
前記第１ロッド（９７）（９８）と揺動アーム（９５）
（９６）の自在継手部（９７ａ）（９８ａ）の中心を、
運転キャビン（１８）の回動支点軸（９２）位置に一致
させて、変速及び操向の中立保持においてはこれらの操
作系を取外すことなく運転キャビン（１８）の前方向へ
の回動を可能とさせるように構成している。Further, the first rods (97) and (98) and the swing arm (95) for transmitting the shifting and steering operation force.
The center of the universal joint (97a) (98a) of (96)
The driving cabin (18) can be turned forward without removing these operation systems when shifting and steering is kept neutral by matching the position of the rotation fulcrum shaft (92) of the driving cabin (18). It is configured to be.
【００２３】図１に示す如く、主変速機構を構成する変
速機構（２５）の中立位置或いは前記主変速レバー（６
８）の中立位置を検出する主変速中立センサ（１３４）
と、副変速機構（３２）の中立位置或いは副変速レバー
（図示せず）の中立位置を検出する副変速中立センサ
（１３５）と、前記変速機構（２８）の中立位置或いは
操向ハンドル（１９）の中立位置を検出する操向中立セ
ンサ（１３６）と、前記エンジン（２１）に供給される
燃料の噴射量を制御する走行停止手段である燃料噴射弁
などエンジン燃料噴射装置（１３７）とを備え、燃料噴
射装置（１３７）に出力接続するコントローラ（１３
８）に各センサ（１３４）（１３５）（１３６）を入力
接続させている。As shown in FIG. 1, the transmission mechanism (25) which constitutes the main transmission mechanism is in the neutral position or the main transmission lever (6).
8) Main shift neutral sensor (134) for detecting the neutral position
An auxiliary shift neutral sensor (135) for detecting a neutral position of the auxiliary transmission mechanism (32) or a neutral position of an auxiliary transmission lever (not shown); and a neutral position or steering handle (19) of the transmission mechanism (28). A) a steering neutral sensor (136) for detecting a neutral position, and an engine fuel injection device (137) such as a fuel injection valve which is a running stop means for controlling an injection amount of fuel supplied to the engine (21). Controller (13) which is connected to the output of the fuel injection device (137).
8), the sensors (134), (135), and (136) are input-connected.
【００２４】そして図１４に示す如く、エンジン（２
１）の駆動している通常作業中において、副変速が中立
で、主変速が中立以外で操向が中立以外のとき、エンジ
ン（２１）の駆動が停止されるものである。つまりこの
操作機構の場合、副変速機構（３２）が中立に維持され
ている場合でも、前記主変速レバー（６８）が中立以外
の前後進側に傾倒操作され、またこの傾倒操作時に操向
ハンドル（１９）が回動操作されるとき、操向リンク機
構（７１）を介し旋回用の変速機構（２８）に旋回操作
力が出力され、左右走行クローラ（２）の駆動方向を前
後逆方向とさせた駆動が行われるものであるから、この
ようなときにはエンジン（２１）の駆動を停止させて、
不測に操向ハンドル（１９）操作によって機体が旋回す
るのを防止するものである。Then, as shown in FIG.
During the normal operation in 1), when the sub-shift is neutral, the main shift is other than neutral, and the steering is not neutral, the driving of the engine (21) is stopped. In other words, in the case of this operating mechanism, even when the auxiliary transmission mechanism (32) is maintained at the neutral position, the main transmission lever (68) is tilted forward and backward except for the neutral position. When (19) is turned, a turning operation force is output to the turning speed change mechanism (28) via the steering link mechanism (71), and the driving direction of the left and right traveling crawler (2) is changed to the front and rear reverse direction. In such a case, the driving of the engine (21) is stopped, and
This is to prevent the aircraft from turning by accidental operation of the steering handle (19).
【００２５】図１５は旋回用の変速機構（２８）を構成
する油圧ポンプ（２６）と油圧モータ（２７）間にソレ
ノイド（１３９）で操作される操向停止手段である２位
置式アンロード弁（１４０）を介設して、副変速が中立
で、主変速が中立以外の前後進側に操作された状態のと
きには、前記ソレノイド（１３９）によってアンロード
弁（１４０）を無負荷側に切換えて、操向ハンドル（１
９）操作によって油圧ポンプ（２６）から油圧が送り出
されるときにも、油圧モータ（２７）の駆動を停止させ
て、操向ハンドル（１９）による機体の旋回動作を防止
するように構成したものである。FIG. 15 shows a two-position unload valve which is a steering stop means operated by a solenoid (139) between a hydraulic pump (26) and a hydraulic motor (27) which constitute a speed change mechanism (28) for turning. When the auxiliary shift is neutral and the main shift is operated in the forward / reverse direction other than the neutral position via the (140), the solenoid (139) switches the unload valve (140) to the no-load side. And the steering handle (1
9) When the hydraulic pressure is sent out from the hydraulic pump (26) by the operation, the drive of the hydraulic motor (27) is stopped to prevent the turning operation of the body by the steering handle (19). is there.
【００２６】[0026]
【発明の効果】以上実施例から明らかなように本発明
は、エンジン（２１）からの駆動力を油圧変速機構（２
５）及びギヤ差動機構（３３）を介し走行部に伝達して
機体を変速自在に走行すると共に、操向ハンドル（１
９）の操作力を油圧操向機構（２８）を介してギヤ差動
機構（３３）に伝達して、左右走行部の回転を異ならせ
て機体の旋回を行うようにしたコンバインの操作装置に
おいて、前記変速機構（２５）と差動機構（３３）との
間に介設する副変速機構（３２）の中立操作時で、操向
ハンドル（１９）の旋回操作時に走行を停止させる走行
停止手段（１３７）を設けたものであるから、副変速機
構（３２）の中立操作時において、操向ハンドル（１
９）が中立以外の旋回操作状態にあって機体が旋回する
ようなときにも、例えばエンジンを停止させるなどし
て、不測に機体が旋回するのを防止できるものである。As is apparent from the above embodiment, the present invention provides a hydraulic transmission mechanism (2) for transmitting the driving force from the engine (21).
5) and a gear differential mechanism (33) to transmit to the traveling unit so that the aircraft can freely travel and the steering handle (1).
9) A combine operating device that transmits the operating force of 9) to a gear differential mechanism (33) via a hydraulic steering mechanism (28) so that the left and right running parts rotate differently to turn the body. Traveling stop means for stopping traveling when the steering wheel (19) is turned during neutral operation of the auxiliary transmission mechanism (32) interposed between the transmission mechanism (25) and the differential mechanism (33). (137), the steering handle (1) is provided during the neutral operation of the subtransmission mechanism (32).
Even in the case where the airframe 9 turns in a non-neutral turning operation state, the aircraft can be prevented from unexpectedly turning, for example, by stopping the engine.
【００２７】また、エンジン（２１）からの駆動力を油
圧変速機構（２５）及びギヤ差動機構（３３）を介し走
行部に伝達して機体を変速自在に走行すると共に、操向
ハンドル（１９）の操作力を油圧操向機構（２８）を介
してギヤ差動機構（３３）に伝達して、左右走行部の回
転を異ならせて機体の旋回を行うようにしたコンバイン
の操作装置において、前記変速機構（２５）と差動機構
（３３）との間に介設する副変速機構（３２）の中立操
作時に、操向ハンドル（１９）の操作出力を停止させる
操向停止手段（１４０）を設けたものであるから、副変
速の中立操作時において、操向ハンドル（１９）の操作
出力で機体の旋回動作が行われるのを防止して、機体の
確実な停止保持を図ることができるものである。Further, the driving force from the engine (21) is transmitted to the traveling section via the hydraulic transmission mechanism (25) and the gear differential mechanism (33), so that the vehicle can travel freely and the steering handle (19) is provided. ) Is transmitted to the gear differential mechanism (33) via the hydraulic steering mechanism (28) to cause the left and right traveling parts to rotate differently to perform the turning of the fuselage. Steering stop means (140) for stopping the operation output of the steering handle (19) during the neutral operation of the auxiliary transmission mechanism (32) interposed between the transmission mechanism (25) and the differential mechanism (33). Therefore, it is possible to prevent the turning operation of the fuselage by the operation output of the steering handle (19) during the neutral operation of the sub-shift, and to reliably hold and stop the fuselage. Things.
【図１】エンジンの制御回路図である。FIG. 1 is a control circuit diagram of an engine.
【図２】コンバインの全体側面図である。FIG. 2 is an overall side view of the combine.
【図３】コンバインの全体平面図である。FIG. 3 is an overall plan view of the combine.
【図４】ミッション駆動系の説明図である。FIG. 4 is an explanatory diagram of a mission drive system.
【図５】走行変速及び操向操作部の説明図である。FIG. 5 is an explanatory diagram of a traveling speed change and steering operation unit.
【図６】操作部の正面説明図である。FIG. 6 is an explanatory front view of an operation unit.
【図７】操作部の平面説明図である。FIG. 7 is an explanatory plan view of an operation unit.
【図８】操作部の側面説明図である。FIG. 8 is an explanatory side view of the operation unit.
【図９】操作部材の側面説明図である。FIG. 9 is an explanatory side view of the operation member.
【図１０】操作部材の正面説明図である。FIG. 10 is an explanatory front view of an operation member.
【図１１】操作部材の平面説明図である。FIG. 11 is an explanatory plan view of an operation member.
【図１２】操向ハンドル部の平面説明図である。FIG. 12 is an explanatory plan view of a steering handle portion.
【図１３】リンク機構部の平面説明図である。FIG. 13 is an explanatory plan view of a link mechanism.
【図１４】フローチャートである。FIG. 14 is a flowchart.
【図１５】油圧回路図である。FIG. 15 is a hydraulic circuit diagram.
（２１） エンジン （２５） 変速機構 （２８） 変速機構（操向機構） （３３） 差動機構 （１３７） 燃料噴射装置（走行停止手段） （１４０） アンロード弁（操向停止手段） (21) Engine (25) Transmission mechanism (28) Transmission mechanism (steering mechanism) (33) Differential mechanism (137) Fuel injection device (travel stop means) (140) Unload valve (steering stop means)
Claims (2)
びギヤ差動機構を介し走行部に伝達して機体を変速自在
に走行すると共に、操向ハンドルの操作力を油圧操向機
構を介してギヤ差動機構に伝達して、左右走行部の回転
を異ならせて機体の旋回を行うようにしたコンバインの
操作装置において、前記変速機構と差動機構との間に介
設する副変速機構の中立操作時で、操向ハンドルの旋回
操作時に走行を停止させる走行停止手段を設けたことを
特徴とするコンバインの操作装置。1. A driving force from an engine is transmitted to a traveling section via a hydraulic transmission mechanism and a gear differential mechanism to travel the vehicle at a variable speed, and the operating force of a steering handle is transmitted via a hydraulic steering mechanism. In a combine operating device that transmits to a gear differential mechanism to cause the body to turn by varying the rotation of the left and right traveling units, a sub-transmission mechanism interposed between the transmission mechanism and the differential mechanism is provided. An operating device for a combine, comprising a running stop means for stopping running at the time of a neutral operation and a turning operation of a steering wheel.
びギヤ差動機構を介し走行部に伝達して機体を変速自在
に走行すると共に、操向ハンドルの操作力を油圧操向機
構を介してギヤ差動機構に伝達して、左右走行部の回転
を異ならせて機体の旋回を行うようにしたコンバインの
操作装置において、前記変速機構と差動機構との間に介
設する副変速機構の中立操作時に、操向ハンドルの操作
出力を停止させる操向停止手段を設けたことを特徴とす
るコンバインの操作装置。2. A driving force from an engine is transmitted to a traveling unit via a hydraulic transmission mechanism and a gear differential mechanism to travel the vehicle at a variable speed, and the operating force of a steering handle is transmitted via a hydraulic steering mechanism. In a combine operating device that transmits to a gear differential mechanism to cause the body to turn by varying the rotation of the left and right traveling units, a sub-transmission mechanism interposed between the transmission mechanism and the differential mechanism is provided. An operating device for a combine, comprising a steering stop means for stopping an operation output of a steering handle during a neutral operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18666596A JP3652445B2 (en) | 1996-06-26 | 1996-06-26 | Combine operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18666596A JP3652445B2 (en) | 1996-06-26 | 1996-06-26 | Combine operating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH104719A true JPH104719A (en) | 1998-01-13 |
| JP3652445B2 JP3652445B2 (en) | 2005-05-25 |
Family
ID=16192533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18666596A Expired - Fee Related JP3652445B2 (en) | 1996-06-26 | 1996-06-26 | Combine operating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3652445B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002002525A (en) * | 2000-06-15 | 2002-01-09 | Yanmar Diesel Engine Co Ltd | Steering device for traveling vehicle |
-
1996
- 1996-06-26 JP JP18666596A patent/JP3652445B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002002525A (en) * | 2000-06-15 | 2002-01-09 | Yanmar Diesel Engine Co Ltd | Steering device for traveling vehicle |
| JP4499878B2 (en) * | 2000-06-15 | 2010-07-07 | ヤンマー株式会社 | Steering device for traveling vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3652445B2 (en) | 2005-05-25 |
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