JPH0273905U - - Google Patents
Info
- Publication number
- JPH0273905U JPH0273905U JP15120888U JP15120888U JPH0273905U JP H0273905 U JPH0273905 U JP H0273905U JP 15120888 U JP15120888 U JP 15120888U JP 15120888 U JP15120888 U JP 15120888U JP H0273905 U JPH0273905 U JP H0273905U
- Authority
- JP
- Japan
- Prior art keywords
- steering
- flow rate
- automatic
- hydraulic
- traveling speed
- 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
- 230000007423 decrease Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 1
Landscapes
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Guiding Agricultural Machines (AREA)
Description
図面は本考案の実施例を示し、第１図は田植機
の平面図、第２図は側面図、第３図はステアリン
グ機構及び油圧回路の図、第４図は制御装置のブ
ロツク図、第５図は自動操舵制御中における走行
速度Ｓと流量Ｑとの比例関係を示す図、第６図は
手動操舵中における走行速度Ｓと流量Ｑとの反比
例関係を示す図、第７図はフローチヤートである
。
１…田植機、２…車体、３…ハンドル、４…苗
植装置、５…苗載台、６…苗植機構、７，７…前
輪、８，８…後輪、１１…前部ステアリング機構
、１２…後部ステアリング機構、１３，１４…油
圧シリンダ、１５…油圧回路、１６…油圧ポンプ
、１７，１８…流量制御弁、１７ａ，１８ａ…電
気信号入力部、１９，２０…電磁切換弁、１９ａ
，２０ａ…電磁ソレノイド、２３…中央処理装置
、２６…撮像手段、２８…画像処理装置、３０…
演算手段、３３…速度センサー、３４…自動・手
動切換えスイツチ、３８…前部操舵駆動電気回路
、３９…後部操舵駆動電気回路。
The drawings show an embodiment of the present invention, and FIG. 1 is a plan view of the rice transplanter, FIG. 2 is a side view, FIG. 3 is a diagram of the steering mechanism and hydraulic circuit, and FIG. 4 is a block diagram of the control device. Figure 5 is a diagram showing the proportional relationship between the traveling speed S and the flow rate Q during automatic steering control, Figure 6 is a diagram showing the inverse proportional relationship between the traveling speed S and the flow rate Q during manual steering, and Figure 7 is a flowchart. It is. DESCRIPTION OF SYMBOLS 1... Rice transplanter, 2... Vehicle body, 3... Handle, 4... Seedling planting device, 5... Seedling stand, 6... Seedling planting mechanism, 7, 7... Front wheel, 8, 8... Rear wheel, 11... Front steering mechanism , 12... Rear steering mechanism, 13, 14... Hydraulic cylinder, 15... Hydraulic circuit, 16... Hydraulic pump, 17, 18... Flow control valve, 17a, 18a... Electric signal input section, 19, 20... Electromagnetic switching valve, 19a
, 20a... Electromagnetic solenoid, 23... Central processing unit, 26... Imaging means, 28... Image processing device, 30...
Calculating means, 33...speed sensor, 34...automatic/manual changeover switch, 38...front steering drive electric circuit, 39...rear steering drive electric circuit.
Claims (1)
自動操舵装置と、該自動操舵装置を自動・手動に
切り替える手段とを備えた農作業機において、こ
の農作業機の走行速度を検出する速度センサーと
、該速度センサーの検出信号にて前記油圧式のス
テアリング機構への油の流量を増減制御する流量
制御弁とを関連させ、自動操舵時には、走行速度
が増大するのに比例して油圧シリンダへの流量を
増大するように制御し、手動操舵時には走行速度
と前記流量とが反比例するように制御する制御手
段を設けたことを特徴とする農作業機の操舵制御
装置。 In an agricultural machine equipped with an automatic steering device that performs steering drive using a hydraulic steering mechanism and means for switching the automatic steering device between automatic and manual modes, a speed sensor that detects the running speed of the agricultural machine and a A flow rate control valve that increases or decreases the flow rate of oil to the hydraulic steering mechanism is associated with the detection signal, and during automatic steering, the flow rate to the hydraulic cylinder is increased in proportion to the increase in traveling speed. 1. A steering control device for an agricultural working machine, comprising a control means for controlling the flow rate so that the traveling speed and the flow rate are inversely proportional to each other during manual steering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15120888U JPH0273905U (en) | 1988-11-19 | 1988-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15120888U JPH0273905U (en) | 1988-11-19 | 1988-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0273905U true JPH0273905U (en) | 1990-06-06 |
Family
ID=31425050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15120888U Pending JPH0273905U (en) | 1988-11-19 | 1988-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0273905U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102626014A (en) * | 2011-02-02 | 2012-08-08 | 洋马株式会社 | Rice planter |
| JP2012157334A (en) * | 2011-02-02 | 2012-08-23 | Yanmar Co Ltd | Rice transplanter |
-
1988
- 1988-11-19 JP JP15120888U patent/JPH0273905U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102626014A (en) * | 2011-02-02 | 2012-08-08 | 洋马株式会社 | Rice planter |
| JP2012157334A (en) * | 2011-02-02 | 2012-08-23 | Yanmar Co Ltd | Rice transplanter |
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