JPS61173209U

JPS61173209U -

Info

Publication number: JPS61173209U
Application number: JP5647185U
Authority: JP
Priority date: 1985-04-15
Filing date: 1985-04-15
Publication date: 1986-10-28

Description

[Brief explanation of drawings]

第１図は農用トラクターの一部とロータリー作
業機の側面図、第２図はその一部の平面図、第３
図は第１図の一部の拡大図、第４図は第３図の分
解図、第５図は第４図の一部の斜視図を示す。Ａ……農用トラクター、Ｂ……３点リンク機構
、Ｃ……作業機、１ａ……リフトアーム、２ａ，
２ｂ……ロワーリンク、３……リフトシリンダー
、４，６，７……取付ピン、５……支持リンク、
Ｓ……スイングセンサー。 Figure 1 is a side view of a part of an agricultural tractor and a rotary work machine, Figure 2 is a plan view of that part, and Figure 3 is a side view of a part of an agricultural tractor and a rotary work machine.
The figure shows an enlarged view of a portion of FIG. 1, FIG. 4 an exploded view of FIG. 3, and FIG. 5 a perspective view of a portion of FIG. 4. A... Agricultural tractor, B... Three-point linkage mechanism, C... Work equipment, 1a... Lift arm, 2a,
2b...Lower link, 3...Lift cylinder, 4, 6, 7...Mounting pin, 5...Support link,
S...Swing sensor.

Claims

[Scope of utility model registration request]

A working machine C is connected to the rear of the agricultural tractor A via a three-point link mechanism B, and a lift cylinder is provided between one lift arm 1a and a lower link 2a for tilting or leveling the working machine C. 3, the rear working machine C side mounting pin 4 of the other side lower link 2b
The front part of the support link 5 is loosely fitted into the mounting pin 7 which is parallel to and above the front agricultural tractor A side mounting pin 6 of the lower link 2b. Support link 5
A tilt angle control device for a working machine in an agricultural tractor, characterized in that a swing sensor S is mounted on the upper part of the machine to detect the tilt angle of the working machine C with respect to a reference plane and control the operation of the lift cylinder 3.