JPS62178818U

JPS62178818U -

Info

Publication number: JPS62178818U
Application number: JP6726386U
Authority: JP
Priority date: 1986-05-02
Filing date: 1986-05-02
Publication date: 1987-11-13

Description

[Brief explanation of the drawing]

第１図は本考案に係る制御装置を示す側面図、
第２図はその展開して示す正面断面図である。ま
た、第３図はガイドカバーを示す平面図である。
また、第４図は本考案を適用し得る乗用田植機を
示す全体側面図である。そして、第５図ないし第
８図はそれぞれ異なる状態における制御装置を示
す側面図である。１……水田作業車（乗用田植機）、５……走行
機体、１０……作業部（植付部）、１９……油圧
シリンダ装置、２０……昇降操作レバー、２９，
３０，３２……連牽部材、２２……制御部材（カ
ム板）、２６……枢支ピン、２７……アーム、２
７ａ……位置決め用ローラ、３５……油圧制御バ
ルブ、４２……連牽リンク、５０……作業（植付
）クラツチ連動アーム、５０ａ……ローラ、５３
……作業（植付）クラツチ（アーム）、Ｕ……上
げ位置、Ｎ……固定位置、Ｄ……下げ位置、Ａ…
…自動位置（自動範囲）、Ｍ……手動部分、Ａ′
……自動部分、Ｕ′……手動上げ位置、Ｎ′……
手動固定位置、ｄ……下げ位置、ｒ……アンダー
ラツプ位置、ｕ……自動上げ位置、ｂ，ｅ，ｆ，
ｇ……規制面、ａ，ｂ……クラツチ操作面。 FIG. 1 is a side view showing a control device according to the present invention;
FIG. 2 is a front sectional view showing the expanded state. Moreover, FIG. 3 is a plan view showing the guide cover.
Moreover, FIG. 4 is an overall side view showing a riding rice transplanter to which the present invention can be applied. 5 to 8 are side views showing the control device in different states. 1... Paddy field work vehicle (riding rice transplanter), 5... Traveling machine body, 10... Working part (planting part), 19... Hydraulic cylinder device, 20... Lifting operation lever, 29,
30, 32... Connection member, 22... Control member (cam plate), 26... Pivot pin, 27... Arm, 2
7a... Positioning roller, 35... Hydraulic control valve, 42... Interlocking link, 50... Working (planting) clutch interlocking arm, 50a... Roller, 53
...Work (planting) clutch (arm), U...Raised position, N...Fixed position, D...Lowered position, A...
...Automatic position (automatic range), M...Manual part, A'
...Automatic part, U'...Manual raise position, N'...
Manual fixing position, d...Lowering position, r...Underlap position, u...Automatic raising position, b, e, f,
g...Restriction surface, a, b...Clutch operation surface.

Claims

[Claims for Utility Model Registration] (1) A hydraulic control valve for lifting and lowering a working part on a traveling machine body using a hydraulic cylinder device, driving the working part via a working clutch, and further controlling the hydraulic cylinder device. and a work vehicle in which the work clutch is operated by a single operating lever, wherein a control member is connected to the operating lever, and a linkage member that is interlocked with the hydraulic control valve is connected to the control member; A control device for a work vehicle, comprising: a regulating surface that restricts the movement of the operating lever at each position; and a clutch operating surface that disconnects and connects the working clutch. (2) The control member comprises a cam plate rotatably supported by a pivot pin, and comprises a cam surface continuous with the regulation surface and the clutch operation surface, as described in claim 1 of the utility model registration claim. control device for work vehicles.