JPH02135381U

JPH02135381U -

Info

Publication number: JPH02135381U
Application number: JP4551889U
Authority: JP
Priority date: 1989-04-18
Filing date: 1989-04-18
Publication date: 1990-11-09

Description

[Brief explanation of drawings]

第１図はクローラ走行装置の側面全体図、第２
図は左右クローラ走行装置の正面断面図、第３図
はリンクの取付状態を示す正面断面図、第４図は
アイドラ及びアイドラシリンダの取付状態を示す
平面断面図、第５図は同じく側面図、第６図は同
じく正面図、第７図は上転輪の取付状態を示す正
面断面図、第８図は本実施例のコンバインの油圧
回路図である。１：クローラ走行装置、２：縦フレーム、４：
機体フレーム、９：リンク取付フレーム、１１，
１２：回動軸、１５，１７：リンクアーム、１６
，１８：リンクアーム、１９：昇降シリンダ、２
５：転輪フレーム、３０，３１：転輪、４１：駆
動輪。 Figure 1 is an overall side view of the crawler traveling device, Figure 2
The figure is a front sectional view of the left and right crawler traveling device, FIG. 3 is a front sectional view showing how the link is installed, FIG. 4 is a plan sectional view showing how the idler and idler cylinder are installed, and FIG. 5 is a side view. FIG. 6 is a front view, FIG. 7 is a front sectional view showing how the upper roller is attached, and FIG. 8 is a hydraulic circuit diagram of the combine harvester of this embodiment. 1: Crawler traveling device, 2: Vertical frame, 4:
Airframe frame, 9: Link mounting frame, 11,
12: Rotation axis, 15, 17: Link arm, 16
, 18: Link arm, 19: Lifting cylinder, 2
5: Rolling wheel frame, 30, 31: Rolling wheel, 41: Drive wheel.

Claims

[Scope of utility model registration request]

Rolling wheel frame 25 that supports the rolling wheels 30, 31...
can be raised and lowered with respect to the main body, and the wheel frame 2
Crawler traveling device 1 in which a lifting cylinder 19 for driving the roller 5 up and down is provided between a wheel frame 25 and the main body.
, the lifting cylinder 19 is installed horizontally between the vertical frame 2, which is a component of the fuselage frame 4, and the inner edge of the upper surface of the crawler belt 45 on the non-grounding side, and is pivoted to a link mounting frame 9 provided on the inner surface of the crawler. A lifting cylinder 19 and a wheel frame 25 are installed at both ends of the rotating shafts 11 and 12, respectively.
Link arms 15, 16, 17, 1 connected to
8 and link arms 15, 16, 17, 1
The pivot positions of the rotation axes 11 and 12, which are the centers of swing of the link arms 16 and 18, are located behind the connection points of the link arms 16 and 18 with the wheel frame 25 on the inner circumference of the crawler, and the wheel frame 25 is positioned relative to the drive wheel 41. An elevating cylinder mounting structure for a crawler traveling device that can be lowered downward and slightly diagonally backward.