JPH0445178U

JPH0445178U -

Info

Publication number: JPH0445178U
Application number: JP8754890U
Authority: JP
Priority date: 1990-08-22
Filing date: 1990-08-22
Publication date: 1992-04-16

Description

[Brief explanation of the drawing]

第１図は本考案の農用作業車の実施例を示す側
面図、第２図は同平面図、第３図は同断面図、第
４図は同後面図、第５図ａ，ｂ，ｃは前輪フレー
ム構造と駆動系の各断面図である。１……農用作業車、２……車体フレーム装置、
３……荷台、４……輪距調節装置、５……３輪駆
動装置、６……前後操舵装置、１０……前後フレ
ーム、１１……荷台フレーム、１２……側輪フレ
ーム、１５，１８……縦フレーム、１６……前輪
フレーム、１９……後輪フレーム、２０Ｆ……前
輪、２０Ｒ……後輪、２０Ｓ……側輪、５８，６
２……駆動軸、５９……垂直軸、６０……水平軸
、６１……チエーン伝達手段、６７，６８……ベ
ベルギヤ。 Fig. 1 is a side view showing an embodiment of the agricultural work vehicle of the present invention, Fig. 2 is a plan view thereof, Fig. 3 is a sectional view thereof, Fig. 4 is a rear view thereof, and Figs. 5 a, b, c. 1 is a cross-sectional view of the front wheel frame structure and drive system. 1... Agricultural work vehicle, 2... Vehicle body frame device,
3... Loading platform, 4... Wheel distance adjustment device, 5... Three wheel drive device, 6... Front and rear steering device, 10... Front and rear frames, 11... Loading platform frame, 12... Side wheel frame, 15, 18 ...Vertical frame, 16...Front wheel frame, 19...Rear wheel frame, 20F...Front wheel, 20R...Rear wheel, 20S...Side wheel, 58,6
2... Drive shaft, 59... Vertical axis, 60... Horizontal axis, 61... Chain transmission means, 67, 68... Bevel gear.

Claims

[Claims for Utility Model Registration] (1) The front and rear frames are combined with the side wheel frames in a portal shape through the cargo frame, and the front and rear wheel frames are connected to the vertical frames at the front and rear ends of the front and rear frames. The front and rear wheels are attached to the bottom of the frame, and the side wheels are attached to the bottom of the side wheel frame, making it possible to travel on three wheels on an elevated platform. A cargo platform installed horizontally so that it can be loaded, a three-wheel drive system that includes an engine, clutch, and power unit mounted on the front and rear frames, and transmits power to the front and rear wheels and side wheels; a front and rear steering device having a steering handle on at least one of the front and rear wheels and configured to simultaneously change the direction of the front and rear wheels together with the front and rear wheel frames; are fixed vertically, and the front and rear wheel frames formed in a substantially F shape are connected to the upper and lower ends of the vertical frame so as to rotate and support them at two points above and below, respectively. An agricultural work vehicle characterized in that a drive system is installed inside the lower arm of the frame by changing direction using a bevel gear, and the steering axis and the wheel ground contact center are aligned with a vertical axis inside the vertical frame. (2) The front and rear wheel frames are connected by fitting the support shaft of the atsupa arm into the bearing at the top end of the vertical frame from above, and fitting the end of the lower arm into the bearing at the bottom end of the vertical frame from below to connect the frame to the vertical frame. 2. The agricultural work vehicle according to claim 1, further comprising a protruding nutcle arm for use in the agricultural vehicle.