JPH05199802A - Apparatus for operating controlling part of riding farm machine - Google Patents
Apparatus for operating controlling part of riding farm machineInfo
- Publication number
- JPH05199802A JPH05199802A JP4307031A JP30703192A JPH05199802A JP H05199802 A JPH05199802 A JP H05199802A JP 4307031 A JP4307031 A JP 4307031A JP 30703192 A JP30703192 A JP 30703192A JP H05199802 A JPH05199802 A JP H05199802A
- Authority
- JP
- Japan
- Prior art keywords
- control
- lifting
- hydraulic
- operation lever
- lift
- 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.)
- Pending
Links
- 230000007257 malfunction Effects 0.000 abstract description 2
- 230000001174 ascending effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、例えばトラクタの如
き乗用農機の制御部の操作装置に関するもので、操作性
を向上させることを目的とする。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operating device for a control section of a riding agricultural machine such as a tractor, and an object thereof is to improve operability.
【０００２】[0002]
【従来技術】近年、トラクタ等の乗用農機では、マイク
ロコンピュ−タを搭載し、このマイクロコンピュ−タか
らの指令によって油圧昇降制御弁をコントロ−ルしてリ
フトア−ムを回動させたり、左右姿勢制御用の制御弁を
コントロ−ルしてリフトア−ムとロワ−リンクとの間に
介装された姿勢制御用の油圧シリンダを伸縮制御させる
ものが知られている。2. Description of the Related Art In recent years, a riding agricultural machine such as a tractor is equipped with a micro computer, and a hydraulic raising / lowering control valve is controlled by a command from the micro computer to rotate the lift arm, It is known that a control valve for attitude control is controlled to control expansion and contraction of a hydraulic cylinder for attitude control interposed between a lift arm and a lower link.
【０００３】前記油圧制御弁は油圧操作レバ−にて操作
され、この油圧操作レバ−を前後方向に回動させること
によってリフトア−ムが上下方向に回動するように構成
されている。又、リフトア−ムを単に上げ下げするため
に昇降スイッチを設けたものがあるが、従来、昇降スイ
ッチはステアリングハンドルポストや計器盤の近くに設
けられていた。The hydraulic control valve is operated by a hydraulic operation lever, and by rotating the hydraulic operation lever in the front-back direction, the lift arm is rotated in the vertical direction. Further, there is a lift switch provided for simply raising and lowering the lift arm, but conventionally, the lift switch has been provided near the steering handle post or the instrument panel.
【０００４】[0004]
【発明が解決しようとする課題】このように、従来装置
にあっては、昇降スイッチが油圧操作レバ−から遠く離
れた箇所に設けられていたために、作業機を昇降操作す
るうえで戸惑うことがあるだけでなく、配線類の引き回
し作業で、スイッチあるいはポテンショメ−タからコン
トロ−ラまでの配線がト−タル的に長くなるために製造
コストが高くなったり、配線の一部が他の機器と干渉し
て接触不良や断線の原因となる恐れがあった。As described above, in the conventional apparatus, since the raising / lowering switch is provided at a position far from the hydraulic operation lever, it may be confusing in raising / lowering the working machine. In addition to the wiring, the wiring from the switch or potentiometer to the controller lengthens the total length of the wiring due to the wiring work, which increases the manufacturing cost, and some of the wiring may be transferred to other equipment. Could interfere with the contact and cause a disconnection or disconnection.
【０００５】[0005]
【課題を解決するための手段】この発明は前記の課題に
鑑みて提案するものであり、操作性に優れ、誤動作の恐
れがない油圧昇降用制御部の操作装置を提供せんとする
ものである。このため、次のような技術的手段を講じ
た。即ち、油圧昇降機構の昇降位置を設定指示する油圧
操作レバ−１６の回動基部にポテンショメ−タ１８を配
設し、このポテンショメ−タ１８の設定値に応じてリフ
トア−ム９の昇降位置が制御されるように構成された乗
用農機において、前記油圧操作レバ−１６の近傍に昇降
スイッチ３７を設けたことを特徴とする乗用農機の制御
部操作装置の構成とする。SUMMARY OF THE INVENTION The present invention is proposed in view of the above-mentioned problems, and it is an object of the present invention to provide an operating device for a hydraulic lifting / lowering control unit which is excellent in operability and free from the risk of malfunction. .. Therefore, the following technical measures were taken. That is, the potentiometer 18 is arranged at the rotation base of the hydraulic operation lever 16 for instructing the setting of the lifting position of the hydraulic lifting mechanism, and the lift arm 9 is lifted or lowered according to the set value of the potentiometer 18. In the riding agricultural machine configured to be controlled in position, a raising / lowering switch 37 is provided in the vicinity of the hydraulic operation lever 16 to constitute a control unit operating device of the riding agricultural machine.
【０００６】[0006]
【実施例】以下、図面に示す実施例に基づいて、この発
明の実施例を説明する。図１に乗用農機１の一例として
のトラクタの要部斜視を、図２に図１のＡ−Ａ線断面視
を、図３に図１のＢ矢視を夫々示したように、対地作業
機２を左右のロワ−リンク３、４と中央のトップリンク
５とからなる作業機連結リンク機構６にて連結できるよ
うに設けてあり、油圧昇降機構７のリフトシリンダ８の
リフトピストンの出入動作によって昇降回動する左右の
リフトア−ム９、９を、左右のリフトロッド１０、１１
を介してロワ−リンク３、４に連結し、図示を省略して
いる昇降制御弁が操作されると、リフトシリンダ８への
圧力油の給排制御が行われてリフトアーム９，９と共に
対地作業機２が昇降動作をすることになり、一方のリフ
トロッド１０がリフトロッドシリンダにて形成されてい
て姿勢制御機構１２となっているので、図示を省略して
いる姿勢制御弁が操作されると、リフトロッドシリンダ
への圧力油の給排制御が行われて対地作業機２は、非伸
縮側のリフトロッド１１と同側のロワーリンク４の後部
付近を中心としてローリングするように構成されてい
る。Embodiments of the present invention will now be described based on the embodiments shown in the drawings. 1 is a perspective view of a main part of a tractor as an example of the riding agricultural machine 1, FIG. 2 is a sectional view taken along the line AA of FIG. 1, and FIG. 3 is a view taken along the arrow B of FIG. 2 are provided so that they can be connected by a working machine connection link mechanism 6 composed of left and right lower links 3 and 4 and a central top link 5, and the lift piston of a lift cylinder 8 of a hydraulic lifting mechanism 7 moves in and out. The left and right lift arms 9 and 9 that rotate up and down are replaced by the left and right lift rods 10 and 11.
When a raising / lowering control valve (not shown) is connected to the lower links 3 and 4 via a valve, pressure oil supply / discharge control to / from the lift cylinder 8 is performed, and the lift arms 9 and 9 are grounded together. Since the working machine 2 moves up and down and one of the lift rods 10 is formed of a lift rod cylinder and serves as the attitude control mechanism 12, an attitude control valve (not shown) is operated. With the control of supply and discharge of pressure oil to the lift rod cylinder, the ground work machine 2 is configured to roll around the rear portion of the lower link 4 on the same side as the lift rod 11 on the non-extend side. There is.
【０００７】乗用農機１の例えば右側のフェンダ１３の
内側に配置されて薄板で箱状に形成したレバーガイド１
４を機体に取付け、レバ−ガイド１４の上面部に、例え
ば合成樹脂で作られているケース１５を取付けて、昇降
位置を設定指示するための油圧操作レバー１６の回動基
部をケース１５内にて軸受１７に軸支し、この回動基部
を、ポテンショメータ１８の検出軸１９に取付けて、油
圧操作レバー１６の回動角に応じて昇降制御弁が昇降制
御回路部２２の指令によって動作して、リフトアーム９
の昇降位置が制御されるように構成してあり、レバーガ
イド４に設けた後部開口部２０に蓋２１を取付け、この
蓋２１の下面に上記の昇降制御回路部２２を取付けてい
る。For example, the lever guide 1 is disposed inside the fender 13 on the right side of the riding agricultural machine 1 and is formed in a box shape with a thin plate.
4 is attached to the machine body, a case 15 made of, for example, synthetic resin is attached to the upper surface of the lever guide 14, and a rotation base of a hydraulic operating lever 16 for instructing the setting of the ascending / descending position is provided in the case 15. Is pivotally supported on the bearing 17, and this rotation base is attached to the detection shaft 19 of the potentiometer 18, and the lift control valve operates according to the command of the lift control circuit unit 22 according to the rotation angle of the hydraulic operation lever 16. , Lift arm 9
The lid 21 is attached to the rear opening 20 provided in the lever guide 4, and the above-described elevation control circuit 22 is attached to the lower surface of the lid 21.
【０００８】ケース１５の後部（図２の左部）は、この
ケース１５に仕切壁２３を設けて前部室２４には油圧操
作レバー１６の回動基部、ポテンショメータ１８などが
収納されるようにし、後部室２５には、昇降制御関係ス
イッチＳＷ1，ＳＷ2，…を収納して、昇降制御関係スイ
ッチＳＷ1，ＳＷ2，…の夫々のつまみ部Ｗ1，Ｗ2をケー
ス１５の天井板から上方へ突設し、コード２６を介して
昇降制御関係スイッチＳＷ1，ＳＷ2，…を、昇降制御回
路部２２に接続している。At the rear part of the case 15 (the left part in FIG. 2), a partition wall 23 is provided on the case 15 so that the rotation chamber of the hydraulic operating lever 16 and the potentiometer 18 are housed in the front chamber 24. In the rear room 25, the raising / lowering control related switches SW 1 , SW 2 , ... Are accommodated, and the respective knob portions W 1 , W 2 of the raising / lowering control related switches SW 1 , SW 2 , ... Projecting upwards, the lifting control circuit-related switches SW 1 , SW 2 , ... Are connected to the lifting control circuit section 22 via a cord 26.
【０００９】又、合成樹脂で作ったコントロールボック
ス２７を、その前縁部２７ａがケース１５の後縁部１５
ａに重ねてレバーガイド１４の上面部へ取外し自在に取
付け、姿勢制御関係スイッチＳＨ1，ＳＨ2，…をコント
ロールボックス２７に収納して、これらの姿勢制御関係
スイッチＳＨ1，ＳＨ2，…の夫々のつまみ部Ｈ1，Ｈ2，
…をコントロールボックス２７の天井板から上方へと突
設し、姿勢制御回路部２８を、レバーガイド１４内にて
底板２９に取付け、姿勢制御回路部２８に姿勢制御関係
スイッチＳＨ1，ＳＨ2，…を、コード３０を介して取付
け、姿勢制御に用いるための左右傾斜センサＳ1を、姿
勢制御回路部２８に接近させて底板２９に取付けてい
る。Further, the control box 27 made of synthetic resin has a front edge 27a whose rear edge 15 is the case 15.
It is removably attached to the upper surface of the lever guide 14 over a, and the attitude control related switches SH 1 , SH 2 , ... Are housed in the control box 27, and these attitude control related switches SH 1 , SH 2 ,. Each knob part H 1 , H 2 ,
... is projected upward from the ceiling plate of the control box 27, the attitude control circuit unit 28 is attached to the bottom plate 29 in the lever guide 14, and the attitude control circuit unit 28 includes attitude control-related switches SH 1 , SH 2 , Are attached via a cord 30, and a horizontal inclination sensor S 1 used for attitude control is attached to a bottom plate 29 close to the attitude control circuit unit 28.
【００１０】ケース１５の内側（フェンダ１３から遠い
側）には、昇降制御感度調整スイッチＳａ，Ｓｂ，…を
前部室２５内に収納して、夫々のつまみ部ａ，ｂを、天
井板から上方へ突設し、ヒンジ３１，３１にて蝶着した
蓋３２が、つまみ部ａ，ｂ，…を覆うように設け、姿勢
制御感度調整スイッチＳｍ，Ｓｎ，…をコントロールボ
ックス２７内に収納して、夫々のつまみｍ，ｎ，…をコ
ントロールボックス２７の天井板から上方へて突設し、
ヒンジ３３，３３にて蝶着した蓋３４がつまみ部ｍ，
ｎ，…を覆うように設けている。Inside the case 15 (the side far from the fender 13), the raising / lowering control sensitivity adjusting switches Sa, Sb, ... Are housed in the front chamber 25, and the respective knob portions a, b are located above the ceiling plate. A lid 32 protruding from the hinge 31 and hinged by a hinge 31 is provided to cover the knob portions a, b, ..., and the posture control sensitivity adjusting switches Sm, Sn ,. , The respective knobs m, n, ... are projected upward from the ceiling plate of the control box 27,
The lid 34 hinged on the hinges 33, 33 has knobs m,
It is provided so as to cover n, ....
【００１１】そして、左右傾斜センサＳ1と姿勢制御回
路部２８を、同一の底板２９に設けて互に接近させてい
るので、配線が短くなってコストも安くなるものであ
る。レバーガイド１４の前部には、乗用農機１に装着さ
れるローダ等の油圧操作レバー３５，３５，…を設けて
いる。符号３６はモニタランプであり、符号３７は昇降
スイッチである。この昇降スイッチ３７を操作すると対
地作業機２は上昇し、あるいは下降する。Since the left and right inclination sensor S 1 and the attitude control circuit section 28 are provided close to each other on the same bottom plate 29, the wiring is short and the cost is low. At the front part of the lever guide 14, hydraulic operating levers 35, 35, etc., such as a loader mounted on the riding agricultural machine 1, are provided. Reference numeral 36 is a monitor lamp, and reference numeral 37 is an elevating switch. When the elevating switch 37 is operated, the ground work machine 2 moves up or down.
【００１２】対地作業機２のローリング制御は、左右傾
斜センサＳ1によって算出された乗用農機１の対地左右
傾斜角に、リフトロッドセンサＳ2にて検出したリフト
ロッド１０の長さにもとづいて姿勢制御回路部２８にて
算出した対地作業機２の対乗用農機左右傾斜角を加えて
対地作業機２の対地左右傾斜角を左右傾斜検出値として
算出し、ボリュームの如きものにて構成している左右傾
斜設定器にて指定した左右傾斜設定値に、上記算出され
た左右傾斜検出値が一致するように、姿勢制御回路部２
８が姿勢制御弁を動作させてリフトロッド１０を伸縮制
御することによって行われるものである。The rolling control of the ground work implement 2 is performed based on the length of the lift rod 10 detected by the lift rod sensor S 2 based on the left-right inclination angle to the ground of the riding agricultural machine 1 calculated by the left and right tilt sensor S 1 . The horizontal angle of inclination of the ground work machine 2 is calculated as a horizontal inclination detection value by adding the left and right inclination angles of the ground work machine 2 calculated by the control circuit unit 28, and is configured as a volume. The attitude control circuit unit 2 is configured so that the calculated left / right tilt detection value matches the left / right tilt setting value designated by the left / right tilt setting device.
8 is performed by operating the attitude control valve to control the expansion and contraction of the lift rod 10.
【００１３】この実施例における油圧制御部の操作装置
は、上述のように構成しているので、作業中の微妙な耕
深調節は油圧操作レバ−１６を前後方向に揺動させて行
い、畦際等で対地作業機２を大きく吊り上げたり、上昇
させた対地作業機２を元の位置まで降下させる場合に
は、油圧操作レバ−１６の近傍に設けた昇降スイッチ３
７をＯＮ，ＯＦＦ操作して簡単に昇降操作できる。この
ように対地作業機２の昇降動作量に応じて２者を択一的
に利用するものであるから、迅速に対応でき、操作性が
向上する。Since the operating device for the hydraulic control unit in this embodiment is constructed as described above, the delicate adjustment of the working depth during work is performed by swinging the hydraulic operating lever 16 in the front-rear direction, When the work implement 2 is greatly lifted or the raised work implement 2 is lowered to its original position at the time of lifting, the lift switch 3 provided near the hydraulic operation lever 16 is used.
You can easily move up and down by turning on and off 7. As described above, since the two people are selectively used according to the amount of lifting and lowering operation of the ground work machine 2, it is possible to quickly respond and the operability is improved.
【００１４】[0014]
【発明の効果】この発明は前記の如く、油圧昇降機構の
昇降位置を設定指示する油圧操作レバ−の回動基部にポ
テンショメ−タを配設し、このポテンショメ−タの設定
値に応じてリフトア−ムの昇降位置が制御されるように
構成された乗用農機において、前記油圧操作レバ−の近
傍に昇降スイッチを設けたことを特徴とする乗用農機の
制御部操作装置であるから、作業機を昇降させるための
操作具が集中的に配設されることになり、腕を大きく動
かすことなく指先で簡単に操作できて操作性が著しく向
上する。しかも、ポテンショメ−タやスイッチといった
電気式操作具がまとめて１ヵ所に設けられているので、
制御用コントロ−ラまでの配線も短くてすみ、配線の引
き回し作業が容易になるうえ、製造コストも抑えること
が可能となる。As described above, according to the present invention, a potentiometer is provided at the rotating base of the hydraulic operation lever for instructing the setting of the ascending / descending position of the hydraulic ascending / descending mechanism, and the potentiometer is set according to the set value. In the riding agricultural machine configured to control the lifting position of the lift arm, a lifting unit is provided in the vicinity of the hydraulic operation lever. Since the operation tools for raising and lowering the machine are intensively arranged, the operation can be remarkably improved because the operation tools can be easily operated with the fingertips without significantly moving the arm. Moreover, since the electric operation tools such as potentiometers and switches are installed in one place,
The wiring to the control controller can be short, the wiring work can be facilitated, and the manufacturing cost can be suppressed.
【図１】乗用農機の要部斜視図である。FIG. 1 is a perspective view of a main part of a riding agricultural machine.
【図２】図１のＡ−Ａ線断面図である。FIG. 2 is a sectional view taken along the line AA of FIG.
【図３】図１のＢ矢視図である。FIG. 3 is a view on arrow B of FIG.
【図４】図２のＣ−Ｃ線断面図である。4 is a cross-sectional view taken along the line CC of FIG.
【図５】図２のＤ−Ｄ線断面図である。5 is a cross-sectional view taken along the line DD of FIG.
【図６】図２のＥ−Ｅ線断面図である。6 is a cross-sectional view taken along the line EE of FIG.
１ 乗用農機 ２ 対地作業機 ３、４ ロワ−リンク ５ トップリンク ６ 作業機連結リンク機構 ７ 油圧昇降機構 １２ 姿勢制御機構 １６ 油圧操作レバ− １８ ポテンショメ−タ ２７ コントロ−ルボックス 1 riding agricultural machine 2 ground working machine 3, 4 lower link 5 top link 6 working machine connecting link mechanism 7 hydraulic lifting mechanism 12 attitude control mechanism 16 hydraulic operating lever 18 potentiometer 27 control box
Claims (1)
圧操作レバ−の回動基部にポテンショメ−タを配設し、
このポテンショメ−タの設定値に応じてリフトア−ムの
昇降位置が制御されるように構成された乗用農機におい
て、前記油圧操作レバ−の近傍に昇降スイッチを設けた
ことを特徴とする乗用農機の制御部操作装置。1. A potentiometer is provided on a rotating base of a hydraulic operation lever for instructing the setting of the lifting position of a hydraulic lifting mechanism.
In a riding agricultural machine configured to control the lifting position of the lift arm according to the set value of the potentiometer, a lifting agricultural machine is provided in the vicinity of the hydraulic operation lever. Control unit operating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4307031A JPH05199802A (en) | 1992-11-17 | 1992-11-17 | Apparatus for operating controlling part of riding farm machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4307031A JPH05199802A (en) | 1992-11-17 | 1992-11-17 | Apparatus for operating controlling part of riding farm machine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60260662A Division JP2550312B2 (en) | 1985-11-20 | 1985-11-20 | Tractor control unit operating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05199802A true JPH05199802A (en) | 1993-08-10 |
Family
ID=17964206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4307031A Pending JPH05199802A (en) | 1992-11-17 | 1992-11-17 | Apparatus for operating controlling part of riding farm machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05199802A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5853884A (en) * | 1981-09-26 | 1983-03-30 | 富士通株式会社 | Inspecting device |
| JPS58191793A (en) * | 1982-05-04 | 1983-11-09 | Babcock Hitachi Kk | Deashing method of coal |
| JPS592245A (en) * | 1982-06-25 | 1984-01-07 | Matsushita Electric Ind Co Ltd | Production of optical recording disk |
| JPS6040801A (en) * | 1983-08-15 | 1985-03-04 | Daikin Ind Ltd | Oil pressure circuit |
-
1992
- 1992-11-17 JP JP4307031A patent/JPH05199802A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5853884A (en) * | 1981-09-26 | 1983-03-30 | 富士通株式会社 | Inspecting device |
| JPS58191793A (en) * | 1982-05-04 | 1983-11-09 | Babcock Hitachi Kk | Deashing method of coal |
| JPS592245A (en) * | 1982-06-25 | 1984-01-07 | Matsushita Electric Ind Co Ltd | Production of optical recording disk |
| JPS6040801A (en) * | 1983-08-15 | 1985-03-04 | Daikin Ind Ltd | Oil pressure circuit |
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