JPH0290911U - - Google Patents
Info
- Publication number
- JPH0290911U JPH0290911U JP16925388U JP16925388U JPH0290911U JP H0290911 U JPH0290911 U JP H0290911U JP 16925388 U JP16925388 U JP 16925388U JP 16925388 U JP16925388 U JP 16925388U JP H0290911 U JPH0290911 U JP H0290911U
- Authority
- JP
- Japan
- Prior art keywords
- cover
- rotary device
- upper cover
- hydraulic
- angle
- 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
- 210000000078 claw Anatomy 0.000 claims description 2
- 238000003971 tillage Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
Description
第１図は本考案の一実施例を示す断面側面図、
第２図は同カバー角検出部の拡大図、第３図は制
御系のブロツク図である。
１…トラクタ、２…油圧装置、５…リフトアー
ム、６…和式特殊三点リンク機構、１１…ロータ
リ装置、１２…ロータリ機枠、１３…ロータリ耕
耘部、１８…爪軸、２０…上部カバー、２３…均
平カバー、２５…油圧シリンダ、２８…カバー角
検出器、３０…回動角検出器、４０…昇降角検出
器、４３…制御手段。
FIG. 1 is a cross-sectional side view showing an embodiment of the present invention;
FIG. 2 is an enlarged view of the cover angle detection section, and FIG. 3 is a block diagram of the control system. DESCRIPTION OF SYMBOLS 1...Tractor, 2...Hydraulic system, 5...Lift arm, 6...Japanese style special three-point link mechanism, 11...Rotary device, 12...Rotary machine frame, 13...Rotary tiller, 18...Claw shaft, 20...Top cover , 23... Leveling cover, 25... Hydraulic cylinder, 28... Cover angle detector, 30... Rotation angle detector, 40... Lifting angle detector, 43... Control means.
Claims (1)
を介してロータリ装置１１を昇降自在に装着し、
ロータリ装置１１の上部カバー２０に連結された
均平カバー２３のカバー角を検出してカバー角が
略一定となるべく油圧装置２によりロータリ装置
１１を昇降させるようにしたものにおいて、上部
カバー２０をロータリ機枠１２に対して爪軸１８
廻りに回動自在に設け、この上部カバー２０を回
動させる油圧シリンダ２５と、油圧装置２のリフ
トアーム５の昇降角を検出する昇降角検出器４０
と、上部カバー２０の回動角を検出する回動角検
出器３０と、これら検出器３０，４０の信号を比
較してロータリ装置１１の昇降方向と逆方向に均
平カバー２３が昇降するように油圧シリンダ２５
を伸縮させる制御手段４３とを設けたことを特徴
とするロータリ装置の耕深制御装置。 A three-point linkage mechanism 6 and a hydraulic system 2 on the tractor 1
The rotary device 11 is mounted so that it can be raised and lowered via the
The cover angle of the leveling cover 23 connected to the upper cover 20 of the rotary device 11 is detected and the rotary device 11 is raised and lowered by the hydraulic device 2 so that the cover angle becomes substantially constant. The claw shaft 18 against the machine frame 12
A hydraulic cylinder 25 that is rotatably provided around the upper cover 20 and rotates the upper cover 20, and a lifting angle detector 40 that detects the lifting angle of the lift arm 5 of the hydraulic device 2.
and a rotation angle detector 30 that detects the rotation angle of the upper cover 20, and the signals of these detectors 30 and 40 are compared so that the leveling cover 23 moves up and down in the opposite direction to the up and down direction of the rotary device 11. Hydraulic cylinder 25
A tillage depth control device for a rotary device, characterized in that a control means 43 for expanding and contracting the plowing depth control device is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16925388U JPH0290911U (en) | 1988-12-27 | 1988-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16925388U JPH0290911U (en) | 1988-12-27 | 1988-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0290911U true JPH0290911U (en) | 1990-07-19 |
Family
ID=31459143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16925388U Pending JPH0290911U (en) | 1988-12-27 | 1988-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0290911U (en) |
-
1988
- 1988-12-27 JP JP16925388U patent/JPH0290911U/ja active Pending
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