JPH0443914U - - Google Patents
Info
- Publication number
- JPH0443914U JPH0443914U JP8688390U JP8688390U JPH0443914U JP H0443914 U JPH0443914 U JP H0443914U JP 8688390 U JP8688390 U JP 8688390U JP 8688390 U JP8688390 U JP 8688390U JP H0443914 U JPH0443914 U JP H0443914U
- Authority
- JP
- Japan
- Prior art keywords
- automatic
- plowing depth
- increasing
- plowing
- 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.)
- Granted
Links
- 230000035945 sensitivity Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000003971 tillage Methods 0.000 description 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
Description
図面は、本考案に係る対地作業車における耕深
自動制御装置の実施例を示したものであつて、第
１図はトラクタの側面図、第２図は制御機構のブ
ロツク図、第３図は耕深自動制御のフローチヤー
ト図、第４図は不感帯幅の変化を示すグラフ図、
第５図はステツプ作動の作用を示すタイミングチ
ヤート図、第６図は第二実施例を示すグラフ図、
第７図は第三実施例を示すグラフ図、第８図は第
四実施例を示すフローチヤート図である。
図中、１は走行機体、３は作業部、４は油圧シ
リンダ、５はリフトアーム、６はリヤカバー、８
は制御部である。
The drawings show an embodiment of the automatic plowing depth control device for a ground work vehicle according to the present invention, in which Fig. 1 is a side view of the tractor, Fig. 2 is a block diagram of the control mechanism, and Fig. 3 is a block diagram of the control mechanism. Flowchart of automatic tillage depth control, Figure 4 is a graph showing changes in dead zone width,
FIG. 5 is a timing chart showing the action of step operation, and FIG. 6 is a graph showing the second embodiment.
FIG. 7 is a graph diagram showing the third embodiment, and FIG. 8 is a flowchart diagram showing the fourth embodiment. In the figure, 1 is the traveling aircraft, 3 is the working part, 4 is the hydraulic cylinder, 5 is the lift arm, 6 is the rear cover, 8
is the control section.
Claims (1)
を、耕深設定器の設定値に基づいて決定される目
標揺動角度に一致させるべく耕深作業部の昇降制
御をする耕深自動制御部を備えてなる対地作業車
において、前記耕深自動制御部に、エンジン回転
数を検知するエンジン回転数検知手段を連繋し、
エンジン回転数の低下に基づいて、耕深自動制御
の感度アツプ、もしくは作業部上昇作動の速度ア
ツプ、もしくは耕深自動制御の感度アツプおよび
作業部上昇作動の速度アツプを行うことを特徴と
する対地作業車における耕深自動制御装置。 The plowing depth automatic control section controls the elevation of the plowing depth section so that the swinging angle of the rear cover provided on the plowing section matches the target swinging angle determined based on the set value of the plowing depth setting device. In the above-mentioned ground work vehicle, an engine rotation speed detection means for detecting engine rotation speed is linked to the automatic plowing depth control section,
A ground-based method characterized by increasing the sensitivity of automatic plowing depth control, increasing the speed of working part lifting operation, or increasing the sensitivity of automatic tilling depth control and increasing the speed of working part lifting operation based on a decrease in engine speed. Automatic plowing depth control device for work vehicles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990086883U JP2559253Y2 (en) | 1990-08-20 | 1990-08-20 | Automatic Tillage Depth Controller for Ground Work Vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990086883U JP2559253Y2 (en) | 1990-08-20 | 1990-08-20 | Automatic Tillage Depth Controller for Ground Work Vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0443914U true JPH0443914U (en) | 1992-04-14 |
| JP2559253Y2 JP2559253Y2 (en) | 1998-01-14 |
Family
ID=31636520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990086883U Expired - Lifetime JP2559253Y2 (en) | 1990-08-20 | 1990-08-20 | Automatic Tillage Depth Controller for Ground Work Vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2559253Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011234622A (en) * | 2010-04-30 | 2011-11-24 | Yanmar Co Ltd | Tractor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61275913A (en) * | 1985-05-30 | 1986-12-06 | Kubota Ltd | Working vehicle |
| JPS6244103A (en) * | 1985-08-19 | 1987-02-26 | 株式会社クボタ | Elevation control mechanism for ground work equipment |
| JPS63188306A (en) * | 1987-01-31 | 1988-08-03 | セイレイ工業株式会社 | Plowing work part rising speed control apparatus of rotary plow |
-
1990
- 1990-08-20 JP JP1990086883U patent/JP2559253Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61275913A (en) * | 1985-05-30 | 1986-12-06 | Kubota Ltd | Working vehicle |
| JPS6244103A (en) * | 1985-08-19 | 1987-02-26 | 株式会社クボタ | Elevation control mechanism for ground work equipment |
| JPS63188306A (en) * | 1987-01-31 | 1988-08-03 | セイレイ工業株式会社 | Plowing work part rising speed control apparatus of rotary plow |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011234622A (en) * | 2010-04-30 | 2011-11-24 | Yanmar Co Ltd | Tractor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2559253Y2 (en) | 1998-01-14 |
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