JPH0434173U

JPH0434173U -

Info

Publication number: JPH0434173U
Application number: JP7727390U
Authority: JP
Priority date: 1990-07-20
Filing date: 1990-07-20
Publication date: 1992-03-19

Description

[Brief explanation of the drawing]

図面は、本考案に係る作業用走行車のステアリ
ング装置の実施例を示したものであり、第１図は
田植機の側面図、第２図はステアリング装置の底
面図、第３図は同上正面図、第４図は他例を示す
同上底面図、第５図はフロントアクスルの断面図
、第６図は同上要部断面図、第７図は同上拡大断
面図である。図中、１は走行機体、３は前輪、６は前輪ケー
ス、６ａはナツクルアーム、１１はピツトマンア
ーム、１２は連結ロツドである。 The drawings show an embodiment of the steering device for a working vehicle according to the present invention, and FIG. 1 is a side view of the rice transplanter, FIG. 2 is a bottom view of the steering device, and FIG. 3 is a front view of the same. 4 is a bottom view of another example, FIG. 5 is a sectional view of the front axle, FIG. 6 is a sectional view of essential parts of the same, and FIG. 7 is an enlarged sectional view of the same. In the figure, 1 is a traveling body, 3 is a front wheel, 6 is a front wheel case, 6a is a knuckle arm, 11 is a pitman arm, and 12 is a connecting rod.

Claims

[Scope of utility model registration request]

In a work vehicle in which the left and right front wheels are suspended so that they can move up and down independently relative to the machine body, the knuckle arms of the left and right front wheels are attached to the left and right ends of a Pitman arm whose central portion is pivotably supported. The left and right connecting rods are connected to each other through connecting rods that face in the front and rear directions, and the connecting rods swing following the vertical movement of the front wheels. 1. A steering device for a work vehicle, characterized in that the steering device is set in a direction perpendicular to the vertical movement direction of the front wheels when viewed from the side and parallel to each other when viewed from above in a straight-ahead state supported by the vehicle.