JPH0223394B2 - - Google Patents
Info
- Publication number
- JPH0223394B2 JPH0223394B2 JP56181895A JP18189581A JPH0223394B2 JP H0223394 B2 JPH0223394 B2 JP H0223394B2 JP 56181895 A JP56181895 A JP 56181895A JP 18189581 A JP18189581 A JP 18189581A JP H0223394 B2 JPH0223394 B2 JP H0223394B2
- Authority
- JP
- Japan
- Prior art keywords
- switch box
- operating lever
- switch
- spring
- tilted
- 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 - Lifetime
Links
- 230000002265 prevention Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
- B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
- B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
- B62D11/08—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using brakes or clutches as main steering-effecting means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
- Guiding Agricultural Machines (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、農業用のトラクターとかコンバイ
ン、又はハーベスターのようにクローラーを取付
けた農作業機に於ける急旋回防止装置用操作装置
に係るものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an operating device for a sudden turn prevention device in an agricultural tractor, combine harvester, or agricultural machine equipped with a crawler such as a harvester. be.
（従来技術）
従来、二段荷重タイプの農作業機に於ける急旋
回防止装置用操作装置は実開昭53−114733号公報
に記載されて公知である。(Prior Art) Conventionally, an operating device for a sharp turn prevention device in a double-load type agricultural machine is disclosed in Japanese Utility Model Application Publication No. 53-114733.
（発明が解決しようとする問題点）
前記公知のものは、パワステリリーフバルブを
直接切替る構造でなく、リンク機構を介して切替
る構造であるから、構造複雑・コスト高となつて
いた。(Problems to be Solved by the Invention) The above-mentioned known system does not have a structure in which the power steering relief valve is switched directly, but rather in a structure in which the power steering relief valve is switched via a link mechanism, resulting in a complex structure and high cost.
（問題を解決するための手段）
よつて、本発明は、操作レバー３の下端部をス
イツチボツクス２内に挿入するとともに該スイツ
チボツクス２内に設けた弱バネ８により前記操作
レバー３は直立を保つように構成し、前記スイツ
チボツクス２にはマイクロスイツチ１０，１１を
設けて前記操作レバー３が弱バネ８に抗して傾動
すると前記マイクロスイツチ１０，１１はオン、
オフするようにし、前記スイツチボツクス２は横
軸１３により軸止するとともに強バネ１６により
前記スイツチボツクス２は直立を保つように形成
し、該スイツチボツクス２の下面には切替用バル
ブ１２の上面を弾力的に当接させ、前記操作レバ
ー３を前記弱バネ８に抗して傾動させたのち、前
記強バネ１６に抗して更にスイツチボツクス２ご
と傾動させると、前記切替用バルブ１２は上下動
して切替るようにした農作業機に於ける急旋回防
止装置用操作装置としたものである。(Means for Solving the Problem) Accordingly, the present invention has a structure in which the lower end of the operating lever 3 is inserted into the switch box 2, and the operating lever 3 is prevented from standing upright by the weak spring 8 provided within the switch box 2. The switch box 2 is provided with micro switches 10 and 11, and when the operating lever 3 is tilted against the weak spring 8, the micro switches 10 and 11 are turned on and off.
The switch box 2 is fixed by a horizontal shaft 13 and kept upright by a strong spring 16, and the top surface of the switching valve 12 is mounted on the bottom surface of the switch box 2. When the control lever 3 is brought into elastic contact and tilted against the weak spring 8, and then further tilted together with the switchbox 2 against the strong spring 16, the switching valve 12 moves up and down. This is an operating device for a sudden turning prevention device in an agricultural working machine, which is configured to switch.
（実施例）
１はソレノイドバルブであり、該ソレノイドバ
ルブ１をON、OFFするスイツチボツクス２をそ
の近傍に設ける。３は該スイツチボツクス２に挿
入して取付けた操作レバーであつて、スイツチボ
ツクス２の上面４に形成した開口部５より内部に
挿入され、その下端６には円板７が直角に取付け
られている。(Embodiment) Reference numeral 1 denotes a solenoid valve, and a switch box 2 for turning the solenoid valve 1 ON and OFF is provided near it. Reference numeral 3 denotes an operating lever inserted and attached to the switch box 2, which is inserted into the interior through an opening 5 formed in the upper surface 4 of the switch box 2, and a disc 7 is attached at right angles to its lower end 6. There is.
円板７と操作レバー３の下端６とは、固定され
ており、円板７の上面とスイツチボツクス２の上
面４の裏側との間に第一の弱バネ８が介在されて
いる。即ち、弱バネ８により、前記円板７をボツ
クスの底面９に弾着させていて、操作レバー３を
開口部５の中心に位置している。 The disk 7 and the lower end 6 of the operating lever 3 are fixed, and a first weak spring 8 is interposed between the upper surface of the disk 7 and the back side of the upper surface 4 of the switch box 2. That is, the weak spring 8 causes the disk 7 to snap onto the bottom surface 9 of the box, and the operating lever 3 is positioned at the center of the opening 5.
１０，１１はマイクロスイツチである。該マイ
クロスイツチ１０，１１は操作レバー３を弱バネ
８の弾力に抗して第２図でイの方向に倒すと、マ
イクロスイツチ１１はONになり、ロの方向に倒
すとマイクロスイツチ１０がONになる。 10 and 11 are micro switches. When the operating lever 3 is tilted in the direction A in FIG. 2 against the elasticity of the weak spring 8, the micro switch 10, 11 is turned ON, and when it is tilted in the direction B, the micro switch 10 is turned ON. become.
然し、スイツチボツクス２の下部に設けられて
いるバルブ１２は、第３図と第２図から、分かる
ように、操作レバー３を弱バネ８の弾力に抗して
開口部５内を倒しただけでは、下降しない。 However, as can be seen from FIGS. 3 and 2, the valve 12 provided at the lower part of the switch box 2 is operated by simply pushing the operating lever 3 down inside the opening 5 against the elasticity of the weak spring 8. Then it won't descend.
然し、第３図の状態から第４図の状態まで、強
バネ１６の弾力に抗して、更に回動させるとスイ
ツチボツクス２は軸１３を中心として第４図のよ
うに傾動し、そのため、バルブ１２を下動させる
構造である。 However, if the switch box 2 is further rotated from the state shown in FIG. 3 to the state shown in FIG. 4 against the elastic force of the strong spring 16, the switch box 2 will tilt as shown in FIG. 4 about the shaft 13, and therefore, It has a structure that moves the valve 12 downward.
然して、第１図に於いて、プツシユシリンダー
１４は、自動方向制御センサーが感知したとき、
及び操作レバー３を第３図のように動かし、マイ
クロスイツチ１０，１１をONにし、且つ、バル
ブ１２が第４図の如く下方に押し下げられたと
き、ブレーキ１５を作動するように構成する。 However, in FIG. 1, when the push cylinder 14 is sensed by the automatic direction control sensor,
When the operating lever 3 is moved as shown in FIG. 3, the micro switches 10 and 11 are turned on, and the valve 12 is pushed down as shown in FIG. 4, the brake 15 is activated.
（作用） 次に作用を述べる。(effect) Next, we will discuss the effect.
操作レバー３を持つて、弱バネ８の弾力に抗し
て矢印イ又はロの方向に傾斜させると、操作レバ
ー３の下端６に取付けてある円板７は第３図のよ
うに傾斜し、マイクロスイツチ１０又はマイクロ
スイツチ１１をONにする。するとソレノイドバ
ルブ１が作動して、クラツチ機構１７を第一段階
として切る方向に働き、従つて、第１図では右側
のクラツチ機構は接続しているが、左側のクラツ
チ機構は切られた状態にあるので、機体は次第に
左側に曲つて前進することになり、目的が達せら
れたとき、そのまま、操作レバー３を垂直に戻し
て作業を続ける。然して、圃場の終端では180度
急旋回して戻らなければならないが、このとき
は、操作レバー３を第４図のように強バネ１６の
弾力に抗して傾斜させ、その勢いで、バルブ１２
を矢印ハの方向に下降させて、ブレーキ１５を働
かせ、以つて、走行装置の左側は完全に止めて右
側だけで急旋回するのである。 When the operating lever 3 is held and tilted in the direction of arrow A or B against the elasticity of the weak spring 8, the disc 7 attached to the lower end 6 of the operating lever 3 is tilted as shown in FIG. Turn on micro switch 10 or micro switch 11. Then, the solenoid valve 1 is actuated and works in the direction of disengaging the clutch mechanism 17 as a first step. Therefore, in FIG. 1, the right clutch mechanism is connected, but the left clutch mechanism is in the disengaged state. Therefore, the aircraft will gradually turn to the left and move forward, and when the objective is achieved, the operation lever 3 will be returned to the vertical position and work will continue. However, at the end of the field, it is necessary to make a sharp 180 degree turn to return.In this case, the operating lever 3 is tilted against the elasticity of the strong spring 16 as shown in Fig. 4, and the force is used to close the valve 12.
By lowering the vehicle in the direction of arrow C and applying the brake 15, the left side of the traveling gear is completely stopped and only the right side is used to make a sharp turn.
（効果）
従来、二段荷重タイプの農作業機に於ける急旋
回防止装置用操作装置は実開昭53−114733号公報
に記載されて公知である。(Effects) Conventionally, an operating device for a sharp turn prevention device in a double load type agricultural machine is known as described in Japanese Utility Model Application Publication No. 53-114733.
前記公知のものは、パワステリリーフバルブを
直接切替る構造でなく、リンク機構を介して切替
る構造であるから、構造複雑・コスト高となつて
いた。 The above-mentioned known system does not have a structure in which the power steering relief valve is switched directly, but rather in a structure in which it is switched via a link mechanism, resulting in a complex structure and high cost.
しかるに、本発明は、操作レバー３の下端部を
スイツチボツクス２内に挿入するとともに該スイ
ツチボツクス２内に設けた弱バネ８により前記操
作レバー３は直立を保つように構成し、前記スイ
ツチボツクス２にはマイクロスイツチ１０，１１
を設けて前記操作レバー３が弱バネ８に抗して傾
動すると前記マイクロスイツチ１０，１１はオ
ン、オフするようにし、前記スイツチボツクス２
は横軸１３により軸止するとともに強バネ１６に
より前記スイツチボツクス２は直立を保つように
形成し、該スイツチボツクス２の下面には切替用
バルブ１２の上面を弾力的に当接させ、前記操作
レバー３を前記弱バネ８に抗して傾動させたの
ち、前記強バネ１６に抗して更にスイツチボツク
ス２ごと傾動させると、前記切替用バルブ１２は
上下動して切替るようにした農作業機に於ける急
旋回防止装置用操作装置としたものであるから、
パワステリリーフバルブを直接切替える構造なの
で、リンク機構は必要とせず、構造簡単・コスト
安となる。 However, in the present invention, the lower end of the operating lever 3 is inserted into the switch box 2, and the operating lever 3 is kept upright by a weak spring 8 provided within the switch box 2. Micro switch 10, 11
is provided so that when the operating lever 3 is tilted against the weak spring 8, the micro switches 10 and 11 are turned on and off, and the switch box 2
The switch box 2 is fixed by a horizontal shaft 13 and kept upright by a strong spring 16, and the upper surface of the switching valve 12 is brought into elastic contact with the lower surface of the switch box 2, and the switch box 2 is fixed by a strong spring 16. When the lever 3 is tilted against the weak spring 8 and then the switch box 2 is further tilted against the strong spring 16, the switching valve 12 moves up and down to switch. It is used as an operating device for a sudden turn prevention device in
Since the structure directly switches the power steering relief valve, no link mechanism is required, resulting in a simple structure and low cost.
第１図は一部縦断側面図、第２図はスイツチボ
ツクスの縦断面図、第３図は同クラツチを切断し
た状態図、第４図はブレーキをかけた状態図、第
５図はギヤボツクス正面図、第６図は同左側面
図、第７図は油圧傾倒図である。
符号の説明、１……ソレノイドバルブ、２……
スイツチボツクス、３……操作レバー、４……ボ
ツクスの上面、５……開口部、６……下端、７…
…円板、８……弱バネ、９……ボツクスの底面、
１０……マイクロスイツチ、１１……マイクロス
イツチ、１２……バルブ、１３……軸、１４……
シリンダー、１５……ブレーキ、１６……強バ
ネ、１７……クラツチ機構。
Figure 1 is a partial vertical side view, Figure 2 is a vertical cross-sectional view of the switchbox, Figure 3 is a diagram of the clutch in a cut state, Figure 4 is a diagram with the brake applied, and Figure 5 is a front view of the gearbox. 6 is a left side view of the same, and FIG. 7 is a hydraulic tilt view. Explanation of symbols, 1... Solenoid valve, 2...
Switch box, 3... Operation lever, 4... Top surface of box, 5... Opening, 6... Bottom end, 7...
...disk, 8...weak spring, 9...bottom of box,
10...Micro switch, 11...Micro switch, 12...Valve, 13...Shaft, 14...
Cylinder, 15...Brake, 16...Strong spring, 17...Clutch mechanism.
Claims (1)
内に挿入するとともに該スイツチボツクス２内に
設けた弱バネ８により前記操作レバー３は直立を
保つように構成し、前記スイツチボツクス２には
マイクロスイツチ１０，１１を設けて前記操作レ
バー３が弱バネ８に抗して傾動すると前記マイク
ロスイツチ１０，１１はオン、オフするように
し、前記スイツチボツクス２は横軸１３により軸
止するとともに強バネ１６により前記スイツチボ
ツクス２は直立を保つように形成し、該スイツチ
ボツクス２の下面には切替用バルブ１２の上面を
弾力的に当接させ、前記操作レバー３を前記弱バ
ネ８に抗して傾動させたのち、前記強バネ１６に
抗して更にスイツチボツクス２ごと傾動させる
と、前記切替用バルブ１２は上下動して切替るよ
うにした農作業機に於ける急旋回防止装置用操作
装置。1 Push the lower end of the operating lever 3 into the switch box 2.
The operating lever 3 is configured to be kept upright by a weak spring 8 that is inserted into the switch box 2 and is provided within the switch box 2. Micro switches 10 and 11 are provided in the switch box 2 so that the operating lever 3 is When tilted against the spring 8, the micro switches 10 and 11 are turned on and off, and the switch box 2 is fixed by a horizontal shaft 13, and the switch box 2 is kept upright by a strong spring 16. The upper surface of the switching valve 12 is brought into elastic contact with the lower surface of the switch box 2, and after the operating lever 3 is tilted against the weak spring 8, it is tilted against the strong spring 16. Furthermore, when the switch box 2 is tilted, the switching valve 12 moves up and down to switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18189581A JPS5885760A (en) | 1981-11-13 | 1981-11-13 | Quick turning preventing device in agricultural machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18189581A JPS5885760A (en) | 1981-11-13 | 1981-11-13 | Quick turning preventing device in agricultural machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5885760A JPS5885760A (en) | 1983-05-23 |
| JPH0223394B2 true JPH0223394B2 (en) | 1990-05-23 |
Family
ID=16108757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18189581A Granted JPS5885760A (en) | 1981-11-13 | 1981-11-13 | Quick turning preventing device in agricultural machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5885760A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6289929U (en) * | 1985-11-26 | 1987-06-09 | ||
| JPH0642410Y2 (en) * | 1985-11-26 | 1994-11-09 | 三菱農機株式会社 | Mono-lever device for work vehicle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5650869A (en) * | 1979-10-03 | 1981-05-08 | Iseki & Co Ltd | Travelling operating device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53114733U (en) * | 1977-02-21 | 1978-09-12 |
-
1981
- 1981-11-13 JP JP18189581A patent/JPS5885760A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5650869A (en) * | 1979-10-03 | 1981-05-08 | Iseki & Co Ltd | Travelling operating device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5885760A (en) | 1983-05-23 |
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