JPH01108010U - - Google Patents
Info
- Publication number
- JPH01108010U JPH01108010U JP262588U JP262588U JPH01108010U JP H01108010 U JPH01108010 U JP H01108010U JP 262588 U JP262588 U JP 262588U JP 262588 U JP262588 U JP 262588U JP H01108010 U JPH01108010 U JP H01108010U
- Authority
- JP
- Japan
- Prior art keywords
- hitch frame
- ground surface
- grounding body
- agricultural tractor
- sensor
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Agricultural Machines (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Description
図面は本考案の一実施例を示し、第１図はロー
タリ耕耘機をヒツチフレームに取付けた状態を示
す農用トラクタの全体側面図、第２図はヒツチフ
レームの正面図、第３図はリフトレバーおよび耕
深レバーの斜視図、第４図はリフトレバーの操作
範囲を側面視で示す作用説明図である。
Ｔ…農用トラクタ、１…トツプリンク、２…ロ
アリンク、３…三点リンク機構、４…ヒツチフレ
ーム、５…リフトアーム、６…昇降リンク、７…
接地体（ゲージホイール）、８…油圧シリンダ、
９…ロアリンクピン、１０…センサ、２１…油圧
ホース、２３…ポテンシヨメータ、２４…ピスト
ン軸、３０…ロータリ耕耘機（作業機）、Ｍ…マ
イコンユニツト。
The drawings show one embodiment of the present invention. Figure 1 is an overall side view of an agricultural tractor showing the rotary tiller attached to the hitch frame, Figure 2 is a front view of the hitch frame, and Figure 3 is a lift lever. FIG. 4 is a perspective view of the tilling depth lever, and FIG. 4 is an action explanatory diagram showing the operation range of the lift lever in a side view. T... Agricultural tractor, 1... Top link, 2... Lower link, 3... Three-point link mechanism, 4... Hitachi frame, 5... Lift arm, 6... Lifting link, 7...
Grounding body (gauge wheel), 8...hydraulic cylinder,
9... Lower link pin, 10... Sensor, 21... Hydraulic hose, 23... Potentiometer, 24... Piston shaft, 30... Rotary tiller (work machine), M... Microcomputer unit.
Claims (1)
フレームに設けた接地体を、上記ヒツチフレーム
に設けた前記接地体の地表面に対する浮沈を検出
するセンサの検知信号により昇降させ、ヒツチフ
レーム後方に取付けた作業機の地表に対する高さ
を一定に制御すべく構成してなる農用トラクタの
耕深制御装置。 A grounding body provided on a hitch frame connected to a three-point linkage mechanism at the rear of the aircraft is raised and lowered by a detection signal from a sensor that detects ups and downs of the grounding body with respect to the ground surface, and is attached to the rear of the hitch frame. A plowing depth control device for an agricultural tractor configured to control the height of a working implement relative to the ground surface to a constant level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988002625U JPH0726884Y2 (en) | 1988-01-14 | 1988-01-14 | Agricultural depth control device for agricultural tractors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988002625U JPH0726884Y2 (en) | 1988-01-14 | 1988-01-14 | Agricultural depth control device for agricultural tractors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01108010U true JPH01108010U (en) | 1989-07-21 |
| JPH0726884Y2 JPH0726884Y2 (en) | 1995-06-21 |
Family
ID=31203552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988002625U Expired - Lifetime JPH0726884Y2 (en) | 1988-01-14 | 1988-01-14 | Agricultural depth control device for agricultural tractors |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0726884Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020103259A (en) * | 2018-12-28 | 2020-07-09 | 株式会社クボタ | Agricultural work machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51149003U (en) * | 1975-05-23 | 1976-11-29 | ||
| JPS5850609U (en) * | 1981-09-30 | 1983-04-06 | 株式会社クボタ | agricultural vehicle |
| JPS5952806U (en) * | 1982-10-01 | 1984-04-06 | 松山株式会社 | Agricultural machine mounting hitch |
-
1988
- 1988-01-14 JP JP1988002625U patent/JPH0726884Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51149003U (en) * | 1975-05-23 | 1976-11-29 | ||
| JPS5850609U (en) * | 1981-09-30 | 1983-04-06 | 株式会社クボタ | agricultural vehicle |
| JPS5952806U (en) * | 1982-10-01 | 1984-04-06 | 松山株式会社 | Agricultural machine mounting hitch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020103259A (en) * | 2018-12-28 | 2020-07-09 | 株式会社クボタ | Agricultural work machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0726884Y2 (en) | 1995-06-21 |