JP2854477B2 - Power transmission structure for working machine - Google Patents
Power transmission structure for working machineInfo
- Publication number
- JP2854477B2 JP2854477B2 JP4327135A JP32713592A JP2854477B2 JP 2854477 B2 JP2854477 B2 JP 2854477B2 JP 4327135 A JP4327135 A JP 4327135A JP 32713592 A JP32713592 A JP 32713592A JP 2854477 B2 JP2854477 B2 JP 2854477B2
- Authority
- JP
- Japan
- Prior art keywords
- traveling
- differential
- turning
- state
- lock mechanism
- 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.)
- Expired - Fee Related
Links
Landscapes
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、走行装置がクローラ式
や多輪式といったもの、すなわち左右の走行装置の相対
速度差の調節によって直進及び旋回の各走行状態を現出
する非操舵式の走行手段を備えてあるコンバイン、運搬
車等の作業機の走行用伝動構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a non-steering type in which a traveling device is of a crawler type or a multi-wheel type, that is, in which a traveling state of straight traveling and turning is exhibited by adjusting a relative speed difference between left and right traveling devices. The present invention relates to a traveling transmission structure of a working machine such as a combine or a transport vehicle having traveling means.
【０００２】[0002]
【従来の技術】上記非操舵式の走行手段では、例えば、
特開平４‐２７１９７０号公報で示されたコンバインの
ように、一方のクローラ走行装置の駆動速度を他方のも
のよりも遅くするとか、一方のものの伝動を断つ等によ
って左右走行装置に速度差を付けて旋回走行させるよう
にするのが一般的である。2. Description of the Related Art In the above non-steering type traveling means, for example,
As in the combine disclosed in Japanese Patent Application Laid-Open No. Hei 4-271970, the driving speed of one crawler traveling device is made slower than that of the other crawler, or the transmission of one device is cut off to provide a speed difference between the left and right traveling devices. In general, the vehicle is turned around.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、一方の
走行装置の駆動速度を遅めることによる旋回形態では、
機体の絶対速度が直進時に比べて必ず遅くなるものであ
り、旋回半径が急な場合には減速によって安定確実に旋
回走行が行える利点を享受し得る面があるが、反面、旋
回半径が緩い場合では不要に走行速度を遅めることによ
って作業能率が低下する不利のあるものであった。本発
明の目的は、非操舵式の走行手段を備えた作業機を、旋
回走行時でも直進走行時と変わらぬ絶対速度を維持でき
る走行用伝動構造を得る点にある。However, in the turning mode in which the driving speed of one traveling device is reduced,
The absolute speed of the aircraft is always slower than when traveling straight ahead, and when the turning radius is sharp, there is a surface that you can enjoy the advantage that you can make a stable and reliable turning by deceleration, but on the other hand, when the turning radius is loose However, there is a disadvantage that the working efficiency is lowered by unnecessarily slowing the traveling speed. SUMMARY OF THE INVENTION An object of the present invention is to obtain a traveling power transmission structure that can maintain an absolute speed of a working machine equipped with a non-steering type traveling means even when turning and traveling, as in straight traveling.
【０００４】[0004]
【課題を解決するための手段】上記目的の達成のために
本発明は、左右の走行装置の相対速度差の調節によって
直進及び旋回の各走行状態を現出する非操舵式の走行手
段を備えてある作業機の走行用伝動構造において、各走
行装置に駆動力を伝動するデフ装置と、各走行装置に対
して各別に制動可能なブレーキと、デフ装置に対するデ
フロック機構と、デフ装置における左右のデフ出力軸
に、デフ装置に伝動する主ギヤ機構とは異なる減速比で
伝動可能な左右のサイドギヤ機構と、これら左右のサイ
ドギヤ機構への動力を各別に断続自在な左右の伝導クラ
ッチとを備え、走行用の操作具を直進操作すると、前記
デフロック機構がロック作動しての直進走行状態が現出
され、前記操作具を第１旋回位置に操作すると、前記デ
フロック機構を非作動状態に切換え、かつ、左右いずれ
か一方の伝導クラッチを作動させて、一方の走行装置に
左右のサイドギヤ機構の一方から伝動し、他方の走行装
置にデフ装置の出力を伝えて緩旋回走行状態が現出さ
れ、前記操作具を第２旋回位置に操作すると、前記デフ
ロック機構を非作動状態に切換え、かつ、旋回内側のブ
レーキを作動させての急旋回走行状態を現出するよう
に、操作具の操作に対してデフロック機構と伝導クラッ
チとブレーキとを連係させる走行制御手段を備えてある
ことを特徴とする。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention comprises a non-steering type traveling means for displaying a straight traveling state and a turning state by adjusting a relative speed difference between left and right traveling devices. In the transmission structure for traveling of a working machine, a differential device for transmitting a driving force to each traveling device, a brake capable of individually braking each traveling device, a differential lock mechanism for the differential device, On the differential output shaft, there are left and right side gear mechanisms that can be transmitted at a different reduction ratio than the main gear mechanism that transmits to the differential device, and left and right transmission clutches that can intermittently power the power to these left and right side gear mechanisms, respectively. When the traveling operating tool is operated in a straight line, the differential lock mechanism is locked and a straight traveling state appears, and when the operating tool is operated to the first turning position, the differential lock mechanism is not operated. State, and operates either the left or right conduction clutch to transmit one of the left and right side gear mechanisms from one of the left and right side gear mechanisms and transmit the output of the differential device to the other traveling device. When the operating tool is displayed and operated to the second turning position, the operating tool is switched such that the differential lock mechanism is switched to a non-operating state, and a rapid turning traveling state in which the brake inside the turning is operated is displayed. And a travel control means for linking the differential lock mechanism, the transmission clutch and the brake with respect to the operation of (1).
【０００５】[0005]
【作用】一般に、デフ装置は、操舵輪を持つ操舵式走行
装置における駆動輪の旋回半径差を吸収させるものであ
り、旋回外側の出力回転速度はデフ装置への入力回転速
度を上回り、かつ、旋回内側の出力回転速度は前記入力
回転速度を下回るように制御される。従って、旋回中心
における絶対進行速度は直進時と理論上変化しないもの
であり、本願はこの現象を非操舵式走行手段に利用する
ものである。すなわち、デフ装置には、例えば一方の走
行装置のみが泥地にあるといった具合に、直進時でも左
右の走行抵抗が異なる場合には左右に回転差が生じる性
質があり、単にデフ装置を介しただけでは走行地面によ
っては斜行するおそれがある。Generally, a differential device absorbs a difference in turning radius of a drive wheel in a steering type traveling device having steered wheels, and an output rotational speed outside a turn exceeds an input rotational speed to a differential device, and The output rotation speed inside the turn is controlled to be lower than the input rotation speed. Therefore, the absolute traveling speed at the turning center is theoretically the same as when traveling straight, and the present application utilizes this phenomenon for the non-steering type traveling means. That is, the differential device has a property that a difference in rotation occurs between the left and right when the right and left traveling resistances are different even when traveling straight, for example, only one traveling device is in the muddy ground, and the like. There is a risk that the vehicle may run sloping depending on the running ground.
【０００６】そこで、走行用の操作具を直進操作しての
直進時にはデフロック機構を作動させておくことによ
り、左右の走行装置が強制的に等速駆動されるようにな
るので、走行地面の条件による意図しない斜行のおそれ
なく確実に直進走行状態を現出させることができる。[0006] Therefore, by operating the differential lock mechanism when the traveling operating tool is operated straight ahead, the left and right traveling devices are forcibly driven at a constant speed. Therefore, the straight traveling state can be reliably displayed without fear of unintentional skewing.
【０００７】次に、走行用の操作具を第１旋回位置に操
作して、デフロック機構を非作動状態とし、かつ、一方
の伝導クラッチを接続させると、その伝導クラッチが接
続された側の走行装置の駆動速度が一方のサイドギヤ機
構を介して伝えられる駆動速度となり、他方の走行装置
の駆動速度が、主ギヤ機構を介して動力を伝えられるデ
フ装置からの出力による駆動速度になり、主ギヤ機構と
サイドギヤ機構との相対変速比で定まる左右の速度差で
機体が緩やかに旋回する緩旋回状態が現出される。Next, when the traveling operating tool is operated to the first turning position to deactivate the differential lock mechanism and connect one of the conduction clutches, the traveling on the side to which the conduction clutch is connected is connected. The driving speed of the device becomes the driving speed transmitted through one side gear mechanism, and the driving speed of the other traveling device becomes the driving speed by the output from the differential device that transmits power through the main gear mechanism, A slow turning state appears in which the body turns gently with a left-right speed difference determined by a relative speed change ratio between the mechanism and the side gear mechanism.
【０００８】この場合、一方の走行装置の速度増減分
は、他方の走行装置の逆の増減変化分となって出力する
ことになるから、機体の絶対進行速度は直進時と変わら
ないようになる。又、この緩旋回状態は、主ギヤ機構と
サイドギヤ機構とによって左右の速度差が一定状態に維
持されるので、後述する急旋回状態に比べて、常に定ま
った旋回半径で、かつ、安定した旋回状態が得られるも
のである。In this case, the speed increase / decrease of one traveling device is output as the opposite increase / decrease change of the other traveling device, so that the absolute traveling speed of the body remains the same as when traveling straight. . Further, in the gentle turning state, the left and right speed differences are maintained in a fixed state by the main gear mechanism and the side gear mechanism. A state is obtained.
【０００９】そして、走行用の操作具を第２旋回位置に
操作して、デフロック機構を非作動状態とし、かつ、一
方の走行装置を制動させると、その制動によって駆動速
度が遅くなるとともに、その遅くなった分は他方の走行
装置の駆動速度が速まることになり、その左右の速度差
で機体の旋回走行状態が現出される。この場合の左右の
速度差はブレーキの効かし具合によって如何様にも設定
できるので、緩旋回状態よりも旋回半径の短い急旋回状
態が現出自在である。When the traveling operating tool is operated to the second turning position to deactivate the differential lock mechanism and to brake one of the traveling devices, the braking reduces the driving speed, and As the speed decreases, the driving speed of the other traveling device increases, and the turning traveling state of the aircraft appears due to the difference between the left and right speeds. In this case, the difference between the left and right speeds can be set in any manner depending on the degree of application of the brake, so that a sharp turning state having a shorter turning radius than the gentle turning state can appear freely.
【００１０】しかも、旋回内側と外側の駆動速度の平均
速度は直進時と変化せず、従って、絶対進行速度を直進
時よりも遅めることなく旋回できるようになる。又、ブ
レーキを強く効かして旋回内側の走行装置を停止させる
と、所謂信地旋回状態が現出できるのであり、この場合
でも旋回外側の走行速度が直進時の２倍となっており、
機体中心の絶対進行速度は直進状態と理論上同じであ
る。In addition, the average speed of the inside and outside driving speeds does not change from when the vehicle is traveling straight, and therefore, the vehicle can be turned without decreasing the absolute traveling speed as compared with when traveling straight. In addition, when the traveling device inside the turn is stopped by strongly applying the brake, a so-called pivot turning state can appear. In this case as well, the traveling speed outside the turn is twice as fast as when traveling straight,
The absolute traveling speed of the center of the fuselage is theoretically the same as the straight traveling state.
【００１１】[0011]
【発明の効果】その結果、操舵式走行装置のためのデフ
装置を、非操舵式走行装置に適用させる工夫により、旋
回内側と外側の速度差の定まった緩旋回状態や、内側走
行装置を制動させての急旋回状態を現出自在としなが
ら、それら旋回走行時の絶対進行速度を直進走行時と変
わらないようにすることができ、合理的に旋回速度を速
めての作業能率の向上が図れる走行用伝動構造を提供で
きた。As a result, by applying the differential device for the steering-type traveling device to the non-steering-type traveling device, a gentle turning state in which the speed difference between the inside and outside of the turning is fixed, or the inside traveling device is braked. It is possible to make the sudden turning state appear freely, while keeping the absolute traveling speed of the turning traveling unchanged from that of the straight traveling, thereby improving the working efficiency by rationally increasing the turning speed. The transmission structure for traveling can be provided.
【００１２】[0012]
【実施例】以下に、本発明の実施例を、非操舵式走行装
置を有した作業機の一例であるコンバインの伝動装置の
場合について図面に基づいて説明する。図４にコンバイ
ンが示され、１は刈取部、２は操縦部、３は脱穀部、４
はクローラ走行装置である。次に、左右のクローラ走行
装置４，４を駆動する走行用の伝動構造について説明す
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings in the case of a combine transmission which is an example of a working machine having a non-steerable traveling device. FIG. 4 shows a combine, wherein 1 is a mowing section, 2 is a control section, 3 is a threshing section, 4
Is a crawler traveling device. Next, a description will be given of a traveling transmission structure that drives the left and right crawler traveling devices 4 and 4.
【００１３】図１に示すように、エンジン５の動力を無
段変速装置６と走行用のミッションＭを介して左右のク
ローラ走行装置４，４に伝達するとともに、無段変速装
置６の出力を刈取部１に伝達するようにして伝動系が構
成されている。ミッションＭには、３段に変速可能な主
変速機構７、左右の伝導クラッチ８Ｌ，８Ｒ、デフ装置
９、デフロック機構１０、及び左右の駆動軸１１Ｌ，１
１Ｒに対するブレーキ１２Ｌ，１２Ｒが備えられてい
る。As shown in FIG. 1, the power of the engine 5 is transmitted to the left and right crawler traveling units 4 and 4 via a continuously variable transmission 6 and a traveling mission M, and the output of the continuously variable transmission 6 is transmitted. A power transmission system is configured to transmit the power to the reaper 1. The transmission M includes a main transmission mechanism 7 capable of shifting to three speeds, left and right transmission clutches 8L and 8R, a differential device 9, a differential lock mechanism 10, and left and right drive shafts 11L and 1L.
Brakes 12L and 12R for 1R are provided.
【００１４】又、図２に示すように、伝導クラッチ８
Ｌ，８Ｒを入切り操作する左右の伝導シリンダ１３Ｌ，
１３Ｒと、ブレーキ１２Ｌ，１２Ｒ操作用のブレーキシ
リンダ１４Ｌ，１４Ｒ、及びデフロック機構１０を入切
り操作するデフロックシリンダ１５が装備され、これら
の油圧シリンダ群を、ステアリングレバー（走行用の操
作具に相当）１９で切換操作される制御弁（走行制御手
段に相当）１６で選択操作するように構成してある。
尚、１７は油圧ポンプ、１８はステアリングレバー１９
連動の可変リリーフ弁である。Also, as shown in FIG.
Left and right transmission cylinders 13L for turning on and off the L, 8R
13R, brake cylinders 14L and 14R for operating the brakes 12L and 12R, and a differential lock cylinder 15 for turning on and off the differential lock mechanism 10. These hydraulic cylinder groups are connected to a steering lever (corresponding to a travel operating tool). A control valve (corresponding to a travel control means) 16 which is switched at 19 is selectively operated.
17 is a hydraulic pump, 18 is a steering lever 19
It is an interlocking variable relief valve.
【００１５】主変速機構７の動力を主ギヤ機構２１を介
してデフ装置９に伝動するための伝動軸２０を設け、こ
の伝動軸２０と左右のデフ出力軸である駆動軸１１Ｌ，
１１Ｒとに跨がる左右のサイドギヤ機構２２，２３を設
けてある。これらサイドギヤ機構２２，２３の減速比
は、主ギヤ機構２１の減速比よりも低く設定されるとと
もに、左右のサイドギヤ機構２２，２３への動力を断続
自在な左右の伝導クラッチ８Ｌ，８Ｒを伝動軸２０上に
備えてある。A transmission shaft 20 for transmitting the power of the main transmission mechanism 7 to the differential device 9 via a main gear mechanism 21 is provided. The transmission shaft 20 and drive shafts 11L, which are left and right differential output shafts, are provided.
Left and right side gear mechanisms 22 and 23 that straddle the 11R are provided. The reduction ratios of the side gear mechanisms 22 and 23 are set lower than the reduction ratio of the main gear mechanism 21, and the transmission shafts 8L and 8R that can freely connect and disconnect the power to the left and right side gear mechanisms 22 and 23 are connected to the transmission shaft. 20.
【００１６】以上の構成による走行状態を説明する。先
ず、図２に示すように、ステアリングレバー１９を傾倒
操作せず直進操作位置Ｎにあるときには、制御弁１６が
中立位置に操作されており、デフロックシリンダ１５の
みが作動してデフロック状態になり、左右の駆動軸１１
Ｌ，１１Ｒの回転速度が強制的に同一に制御され、機体
が直進する状態が現出される。A running state according to the above configuration will be described. First, as shown in FIG. 2, when the steering lever 19 is in the straight-ahead operating position N without tilting operation, the control valve 16 is operated to the neutral position, and only the differential lock cylinder 15 operates to enter the differential lock state. Left and right drive shafts 11
The rotation speeds of L and 11R are forcibly controlled to be the same, and a state in which the aircraft goes straight ahead appears.
【００１７】次に、ステアリングレバー１９を図２中で
右方に傾倒して緩旋回位置Ｃｒに操作すると、制御弁１
６がａ位置に切換わり、左伝導シリンダ１３Ｌのみに給
油される。すると、デフロック機構１０は解除され、か
つ、左伝導クラッチ８Ｌが入りとなり、伝動軸２０とデ
フ装置９とに跨がる主ギヤ機構２１と、左伝導クラッチ
８Ｌと左駆動軸１１Ｌとに跨がる左サイドギヤ機構２２
とが両方とも伝動状態になる。これにより、左サイドギ
ヤ機構２２の減速比が主ギヤ機構２１よりも低いことに
よって、左走行装置４が直進時よりも速く、かつ、右ク
ローラ走行装置４が直進時よりも遅くなり、機体はその
左右中心の絶対速度が直進時の速度と変わらない状態で
右方に緩やかに旋回する緩旋回状態が現出される。Next, when the steering lever 19 is tilted to the right in FIG.
6 is switched to the a position, and only the left conduction cylinder 13L is refueled. Then, the differential lock mechanism 10 is released, the left transmission clutch 8L is engaged, and the main gear mechanism 21 that straddles the transmission shaft 20 and the differential device 9 and the left transmission clutch 8L and left drive shaft 11L straddle. Left side gear mechanism 22
Are both in the transmission state. As a result, since the reduction ratio of the left side gear mechanism 22 is lower than that of the main gear mechanism 21, the left traveling device 4 is faster than when traveling straight, and the right crawler traveling device 4 is slower than when traveling straight. A gentle turning state in which the vehicle turns slowly to the right while the absolute speed at the center in the left and right direction is not different from the speed when traveling straight ahead appears.
【００１８】そして、ステアリングレバー１９を図２中
でさらに右方に傾倒して急旋回位置Ｋｒに操作すると、
制御弁１６がｂ位置に切換わり、今度は右ブレーキシリ
ンダ１４Ｒにのみ給油されて右ブレーキ１２Ｒが作動し
て、右駆動軸１１Ｒが回転停止し、デフ装置９の働きに
よって左駆動軸１１Ｌが直進時の２倍の速度で駆動さ
れ、機体は右方に信地旋回して行く。When the steering lever 19 is further tilted to the right in FIG.
The control valve 16 is switched to the position "b", this time only the right brake cylinder 14R is refueled, the right brake 12R is operated, the right drive shaft 11R stops rotating, and the left drive shaft 11L moves straight by the operation of the differential device 9. Driven at twice the speed of the time, the aircraft turns to the right.
【００１９】以上、右旋回の場合について説明したが、
左旋回でも作用は全く同様であり、ステアリングレバー
１９が左緩旋回位置Ｃｒに操作されると制御弁１６がｃ
位置に切換わり、右伝導シリンダ１３Ｒで右伝導クラッ
チ８Ｒが作動して右サイドギヤ機構２３の働きで左に緩
旋回するとともに、左急旋回位置Ｋｒでは制御弁１６が
ｄ位置に切換わり、左ブレーキシリンダ１４Ｌが作動し
て左ブレーキ１２Ｌが効いての左信地旋回が得られる。As described above, the case of the right turn has been described.
The operation is exactly the same when turning left, and when the steering lever 19 is operated to the gentle left turning position Cr, the control valve 16 is set to c.
Position, the right transmission clutch 8R is actuated by the right transmission cylinder 13R, and the right side gear mechanism 23 turns slowly to the left. At the sharp left turning position Kr, the control valve 16 switches to the d position, and the left brake is applied. When the cylinder 14L is operated and the left brake 12L is applied, a left turn is obtained.
【００２０】尚、図２に示すように、ステアリングレバ
ー１９の操作による緩及び急旋回位置Ｃｒ，Ｃｌ，Ｋ
ｒ，Ｋｌは夫々ある程度の角度幅があり、その角度幅内
では対応する制御弁１６の各位置が維持されるようにし
てあり、かつ、これら角度領域内におけるレバーの傾倒
角度が増加するに連れて可変リリーフ弁１８の設定リリ
ーフ圧が高くなるように連係構成してある。As shown in FIG. 2, the gentle and sharp turning positions Cr, Cl, K by operating the steering lever 19 are controlled.
r and Kl each have a certain angle width, within which the positions of the corresponding control valve 16 are maintained, and as the tilt angle of the lever in these angle regions increases, Thus, the variable relief valve 18 is configured to be linked so that the set relief pressure of the variable relief valve 18 becomes high.
【００２１】従って、緩旋回位置Ｃｒ，Ｃｌ内において
は伝導クラッチ８Ｒ，８Ｌの半クラッチ状態がレバー傾
倒に応じて次第に繋がり勝手になり、最後には完全に伝
動されるから、実際にはレバーの傾倒に応じて緩旋回の
半径が小さくなる。同様に、急旋回位置Ｋｒ，Ｋｌ内に
おいても制動力が徐々に大となり、旋回半径がレバー傾
倒に応じて小さくなる。つまり、緩旋回状態が現出され
始めてから信地旋回状態までは、レバーの傾倒が増すに
連れて左右クローラ走行装置４，４の速度差が徐々に広
まり、旋回半径を無段階に小さくできるように構成され
ている。Therefore, in the gentle turning positions Cr and Cl, the half-clutch states of the transmission clutches 8R and 8L gradually become engaged and self-driven in accordance with the tilt of the lever, and are finally transmitted completely. The radius of the gentle turning decreases as the vehicle tilts. Similarly, even within the sharp turning positions Kr and Kl, the braking force gradually increases, and the turning radius decreases as the lever tilts. In other words, the speed difference between the left and right crawler traveling devices 4 and 4 gradually increases as the tilt of the lever increases from the start of the appearance of the gentle turning state until the pivot turning state, so that the turning radius can be reduced steplessly. Is configured.
【００２２】又、制御弁１６には、これがａ，ｂ，ｃ，
ｄの各位置においてデフロックシリンダ１５の排油路に
対するオリフィスｓが設けてある。従って、ステアリン
グレバー１９をスムーズに傾倒操作した場合の各シリン
ダに対する圧油給排の立ち上がりは、図３に示すような
圧力の変化挙動を生じるように設定されている。The control valve 16 has a, b, c,
At each position d, an orifice s with respect to the oil discharge passage of the differential lock cylinder 15 is provided. Therefore, when the steering lever 19 is smoothly tilted, the rise of pressure oil supply / discharge to each cylinder is set so as to cause a pressure change behavior as shown in FIG.
【００２３】〔別実施例〕 片側に４個の駆動車輪を備えた多輪型作業機（例えば、
実開昭６１‐１５２５２７号公報で示される運搬車）
に、本発明を適用しても良い。[Another Embodiment] A multi-wheel working machine having four drive wheels on one side (for example,
A transport vehicle disclosed in Japanese Utility Model Laid-Open Publication No. Sho 61-152527)
Then, the present invention may be applied.
【００２４】尚、特許請求の範囲の項に図面との対照を
便利にするために符号を記すが、該記入により本発明は
添付図面の構成に限定されるものではない。In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the configuration shown in the attached drawings.
【図面の簡単な説明】[Brief description of the drawings]
【図１】走行用の伝動系を示す線図FIG. 1 is a diagram showing a transmission system for traveling.
【図２】走行操作系を示す系統図FIG. 2 is a system diagram showing a traveling operation system.
【図３】ステアリングレバーの操作量と供給圧の関係を
示す図表FIG. 3 is a table showing a relationship between a steering lever operation amount and a supply pressure.
【図４】コンバインの側面図FIG. 4 is a side view of the combine.
４ 走行装置 ９ デフ装置 ８Ｌ，８Ｒ 伝導クラッチ １０ デフロック機構 １１Ｌ，１１Ｒ デフ出力軸 １２Ｌ，１２Ｒ ブレーキ １６ 走行制御手段 １９ 走行用の操作具 ２１ 主ギヤ機構 ２２，２３ サイドギヤ機構 Reference Signs List 4 traveling device 9 differential device 8L, 8R transmission clutch 10 differential lock mechanism 11L, 11R differential output shaft 12L, 12R brake 16 traveling control means 19 traveling operating tool 21 main gear mechanism 22, 23 side gear mechanism
Claims (1)
度差の調節によって直進及び旋回の各走行状態を現出す
る非操舵式の走行手段を備えてある作業機の走行用伝動
構造であって、 前記各走行装置（４），（４）に駆動力を伝動するデフ
装置（９）と、前記各走行装置（４），（４）に対して
各別に制動可能なブレーキ（１２Ｌ），（１２Ｒ）と、
前記デフ装置（９）に対するデフロック機構（１０）
と、前記デフ装置（９）における左右のデフ出力軸（１
１Ｌ），（１１Ｒ）に、該デフ装置（９）に伝動する主
ギヤ機構（２１）とは異なる減速比で伝動可能な左右の
サイドギヤ機構（２２），（２３）と、これら左右のサ
イドギヤ機構（２２），（２３）への動力を各別に断続
自在な左右の伝導クラッチ（８Ｌ），（８Ｒ）とを備
え、 走行用の操作具（１９）を直進操作すると、前記デフロ
ック機構（１０）がロック作動しての直進走行状態が現
出され、前記操作具（１９）を第１旋回位置に操作すると、前記
デフロック機構（１０）を非作動状態に切換え、かつ、
左右いずれか一方の伝導クラッチ（８Ｌ又は８Ｒ）を作
動させて、一方の走行装置（４）に左右のサイドギヤ機
構（２２），（２３）の一方から伝動し、他方の走行装
置（４）にデフ装置（９）の出力を伝えて緩旋回走行状
態が現出され、 前記操作具（１９）を第２旋回位置に操作すると、前記
デフロック機構（１０）を非作動状態に切換え、かつ、
旋回内側のブレーキ（１２Ｌ又は１２Ｒ）を作動させて
の急旋回走行状態を現出するように、 前記操作具（１９）の操作に対して前記デフロック機構
（１０）と前記伝導クラッチ（８Ｌ），（８Ｒ）と前記
ブレーキ（１２Ｌ），（１２Ｒ）とを連係させる走行制
御手段（１６）を備えてある 作業機の走行用伝動構造。1. A traveling power transmission of a working machine having a non-steering traveling means for displaying a traveling state of straight traveling and turning by adjusting a relative speed difference between left and right traveling devices (4), (4). A differential device (9) for transmitting a driving force to each of the traveling devices (4) and (4); and a brake () capable of individually braking the traveling devices (4) and (4). 12L), (12R),
A differential lock mechanism (10) for the differential device (9)
And the left and right differential output shafts (1) in the differential device (9).
1L) and (11R), the main transmission to the differential device (9).
Right and left gears that can be transmitted at a different reduction ratio than the gear mechanism (21)
Side gear mechanisms (22) and (23)
Power to id gear mechanism (22), (23) is intermittent
Equipped with free left and right conduction clutches (8L) and (8R)
When the operating tool (19) for traveling is operated in a straight line, a straight traveling state in which the differential lock mechanism (10) is locked is displayed. When the operating tool (19) is operated to the first turning position, Said
Switching the differential lock mechanism (10) to a non-operating state, and
Make either left or right conduction clutch (8L or 8R)
And move the left and right side gear units to one traveling device (4).
Transmission from one of the structures (22) and (23) and the other
The output of the differential device (9) is transmitted to the device (4), and the vehicle turns slowly.
State is to appear, and operates the operating member (19) to a second turning position, wherein
Switching the differential lock mechanism (10) to a non-operating state, and
Activate the brake (12L or 12R) inside the turn
The differential lock mechanism is operated in response to the operation of the operation tool (19) so as to show a sharp turning traveling state of the vehicle.
(10) and the conductive clutch (8L), (8R) and the
A driving system that links the brakes (12L) and (12R)
A transmission structure for traveling of a working machine, comprising a control means (16) .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4327135A JP2854477B2 (en) | 1992-12-08 | 1992-12-08 | Power transmission structure for working machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4327135A JP2854477B2 (en) | 1992-12-08 | 1992-12-08 | Power transmission structure for working machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06171546A JPH06171546A (en) | 1994-06-21 |
| JP2854477B2 true JP2854477B2 (en) | 1999-02-03 |
Family
ID=18195709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4327135A Expired - Fee Related JP2854477B2 (en) | 1992-12-08 | 1992-12-08 | Power transmission structure for working machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2854477B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5027056U (en) * | 1973-07-04 | 1975-03-28 | ||
| JPS54175732U (en) * | 1978-05-31 | 1979-12-12 | ||
| JPH01106369U (en) * | 1988-01-11 | 1989-07-18 |
-
1992
- 1992-12-08 JP JP4327135A patent/JP2854477B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06171546A (en) | 1994-06-21 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |