JPS6331720U

JPS6331720U -

Info

Publication number: JPS6331720U
Application number: JP12621186U
Authority: JP
Priority date: 1986-08-18
Filing date: 1986-08-18
Publication date: 1988-03-01

Description

[Brief explanation of the drawing]

第１図は、本考案による田植機の植付部高さ制
御装置の要部を示す模式図（側面）。第２図は、
同水平センサーを示す模式図（斜視図）。第３図
は、水平センサーの出力特性を示すグラフ。第４
図は、同制御装置の作動を示すブロツク図。第５
図は、本案装置を有する田植機の全体側面図。第
６図は、他実施例を示す。第７図は、従来構造を
示す。Ｃ：植付部、１２：センシングフロート、１２
―１：同中央上面、２２：油圧シリンダ、２３：
水平センサー、２４：枢支点、２５：揺動アーム
。 FIG. 1 is a schematic diagram (side view) showing the main parts of the planting part height control device of the rice transplanter according to the present invention. Figure 2 shows
A schematic diagram (perspective view) showing the horizontal sensor. FIG. 3 is a graph showing the output characteristics of the horizontal sensor. Fourth
The figure is a block diagram showing the operation of the control device. Fifth
The figure is an overall side view of a rice transplanter having the proposed device. FIG. 6 shows another embodiment. FIG. 7 shows a conventional structure. C: Planting part, 12: Sensing float, 12
-1: Top center surface, 22: Hydraulic cylinder, 23:
Horizontal sensor, 24: Pivot point, 25: Swing arm.

Claims

[Scope of utility model registration request]

A sensing float 12 for sliding on the planting surface of the field is arranged below the planting part C, and a pivot point 24 is provided on the upper surface 12-1 in the approximate center of the float 12, and the pivot point 24 and The planting part C is connected to the planting part C via a swinging arm 25 that can swing freely, and a horizontal sensor 23 is connected to the swinging arm 25, and the detected output of the sensor 23 is used to operate a hydraulic cylinder for raising and lowering the planting part C. A planting part height control device for a rice transplanter configured to control the expansion and contraction operation of the rice transplanter 22 to maintain a constant height of the planting part C from the planting surface.