JPH02117259U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

図面は本考案の実施例を示し、第１図は本考案
の一実施例の側面図、第２図は第１図−線断
面図、第３図は作動機構の作動状態を示す同断面
図、第４図は収穫機の概略側面図、第５図は従来
例の履帯車輌の側面図、第６図は作動機構の他の
実施例を示す断面図、第７図は同−線断面図
、第８図は作動機構の更に異なる実施例を示す断
面図、第９図は同−線断面図である。 １……軌道台枠、２……駆動輪、３……遊同輪
、４，５……回動腕、１０……軌道ローラ、１２
……作動機構、１７……履帯。 The drawings show an embodiment of the present invention, FIG. 1 is a side view of an embodiment of the present invention, FIG. 2 is a sectional view taken along the line of FIG. 1, and FIG. 3 is a sectional view of the same showing the operating state of the operating mechanism. , FIG. 4 is a schematic side view of the harvester, FIG. 5 is a side view of a conventional crawler vehicle, FIG. 6 is a sectional view showing another embodiment of the operating mechanism, and FIG. 7 is a sectional view along the same line. , FIG. 8 is a sectional view showing still another embodiment of the operating mechanism, and FIG. 9 is a sectional view along the same line. DESCRIPTION OF SYMBOLS 1... Track frame, 2... Driving wheel, 3... Idling wheel, 4, 5... Rotating arm, 10... Track roller, 12
...Operating mechanism, 17...Crawler track.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 機体に軌道台枠１を取付け、軌道台枠１に一定
の間隔を離して設けた駆動輪２と遊動輪３に履帯
１７を張架すると共に、この駆動輪２と遊動輪３
の間に複数の軌道ローラ１０，１０，…により前
記履帯７を支持するように設けた履帯車輌に於い
て、軌道台枠１に形成した横長の長孔２０に遊動
輪３の軸１９を遊挿し、この軸１９にバネ２４を
付勢してなる緊張装置１８によつて遊動輪３を可
動的に支持すると共に、前記軌道台枠１の両端寄
りの部位に支軸６，７により、複数の軌道ローラ
１０，１０，…を設けた２つの回動腕４，５の夫
々の一端部を枢支し、これら２つの回動腕４，５
の他端部には夫々長孔１１を形成し、この長孔１
１に軸１３を遊挿させて２つの回動腕４，５を前
記支軸６，７を支点として可動的に連結したうえ
、軸１３に垂直に配設した油圧シリンダ３７の駆
動部を連結し、軌道台枠１に支持具１４を介して
設けた軸１５に前記油圧シリンダ３７の支持部を
枢支してなる構成を特徴とする履帯車輌の旋回装
置。 A track frame 1 is attached to the aircraft body, and a crawler track 17 is stretched between a drive wheel 2 and an idler wheel 3 provided at a certain distance on the track frame 1, and the drive wheel 2 and idler wheel 3 are
In a crawler vehicle in which the crawler belt 7 is supported by a plurality of track rollers 10, 10, . . . between the track rollers 10, 10, . The idler wheel 3 is movably supported by a tensioning device 18 formed by applying a spring 24 to the shaft 19, and a plurality of supporting shafts 6, 7 are provided at the portions near both ends of the track frame 1. One end of each of two rotating arms 4, 5 provided with track rollers 10, 10, . . .
A long hole 11 is formed at the other end, and the long hole 1
The shaft 13 is loosely inserted into the shaft 1, and the two rotating arms 4 and 5 are movably connected using the support shafts 6 and 7 as fulcrums, and the drive section of a hydraulic cylinder 37 disposed perpendicular to the shaft 13 is connected. A turning device for a crawler-track vehicle characterized by a structure in which a support portion of the hydraulic cylinder 37 is pivotally supported on a shaft 15 provided on the track frame 1 via a support 14.