JPS6137718U - Tractor position control device - Google Patents
Tractor position control deviceInfo
- Publication number
- JPS6137718U JPS6137718U JP12251684U JP12251684U JPS6137718U JP S6137718 U JPS6137718 U JP S6137718U JP 12251684 U JP12251684 U JP 12251684U JP 12251684 U JP12251684 U JP 12251684U JP S6137718 U JPS6137718 U JP S6137718U
- Authority
- JP
- Japan
- Prior art keywords
- position control
- lift
- control device
- lift shaft
- link mechanism
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は本考案によるポジションコントロール装置を示
す一部断面した側面図、第2図はその異なる状態におけ
る同様な図、第3図は本考案を適用したトラクタを示す
全体側面図である。
1・・・トラクタ、9・・・油圧装置、10・・・油圧
シリンダ、11・・・ポジションコントロールレバー、
15・・・ロータリ、16・・・リフトアーム、20・
・・パワーアーム、22・・・リフト軸、23・・・油
圧制御バルブ、26・・・スプール、38・・・リンク
機構、40・・・円形カムプレート、d・・・直径、e
・・・偏・S量。FIG. 1 is a partially sectional side view showing a position control device according to the present invention, FIG. 2 is a similar view in a different state, and FIG. 3 is an overall side view showing a tractor to which the present invention is applied. DESCRIPTION OF SYMBOLS 1... Tractor, 9... Hydraulic system, 10... Hydraulic cylinder, 11... Position control lever,
15... rotary, 16... lift arm, 20...
... Power arm, 22... Lift shaft, 23... Hydraulic control valve, 26... Spool, 38... Link mechanism, 40... Circular cam plate, d... Diameter, e
... Biased S amount.
Claims (1)
フト軸22に固定すると共に、該リフト軸にリフトアー
ム16を固定し、またポジションコントロールレバー1
1をリンク機構38を介して油圧制御バルブ23に連動
すると共に、パワーアーム20をリンク機構38を介し
て油圧制御バルブ23に連動して、コントロールレバー
11の操作位置に対応した位置にリフトアーム19を昇
降するように構成したトラクタのポジションコントロー
ル装置において、 所定径dの薄板円形プレートからなる円形カムプレート
40を、リフト軸22に対して所定量e偏心した状態で
パワーアーム20側面に取付け、該円形カムプレートの
一側部外郭面をカム面として前記リンク機構38に連動
したことを特徴とするトラクタのポジションコントロー
ル装置。[Claims for Utility Model Registration] A power arm 20 connected to a hydraulic cylinder 10 is fixed to a lift shaft 22, a lift arm 16 is fixed to the lift shaft, and a position control lever 1 is fixed to a lift shaft 22.
1 to the hydraulic control valve 23 via the link mechanism 38, and the power arm 20 to the hydraulic control valve 23 via the link mechanism 38 to move the lift arm 19 to a position corresponding to the operating position of the control lever 11. A circular cam plate 40 made of a thin circular plate with a predetermined diameter d is attached to the side of the power arm 20 in a state eccentric by a predetermined amount e with respect to the lift shaft 22. A position control device for a tractor, characterized in that an outer surface of one side of a circular cam plate is used as a cam surface and is interlocked with the link mechanism 38.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12251684U JPS6137718U (en) | 1984-08-10 | 1984-08-10 | Tractor position control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12251684U JPS6137718U (en) | 1984-08-10 | 1984-08-10 | Tractor position control device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6137718U true JPS6137718U (en) | 1986-03-08 |
JPH0343925Y2 JPH0343925Y2 (en) | 1991-09-13 |
Family
ID=30681270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12251684U Granted JPS6137718U (en) | 1984-08-10 | 1984-08-10 | Tractor position control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6137718U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5372319U (en) * | 1976-11-18 | 1978-06-16 |
-
1984
- 1984-08-10 JP JP12251684U patent/JPS6137718U/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5372319U (en) * | 1976-11-18 | 1978-06-16 |
Also Published As
Publication number | Publication date |
---|---|
JPH0343925Y2 (en) | 1991-09-13 |
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