JPS63926U

JPS63926U -

Info

Publication number: JPS63926U
Application number: JP9494286U
Authority: JP
Priority date: 1986-06-20
Filing date: 1986-06-20
Publication date: 1988-01-06

Description

[Brief explanation of drawings]

図面は本考案に係る農用トラクターの走行用操
作構造の実施例を示し、第１図はカム機構の平面
図、第２図はグリース溜り部の斜視図、第３図は
カム機構の一部切欠き側面図、第４図は連係機構
の側面図、第５図は変速装置の一部切欠き正面図
、第６図は変速装置の一部切欠き側面図、第７図
は農用トラクター全体の一部切欠き側面図である
。１ａ，１ｂ……前車輪、２ａ，２ｂ……後車輪
、５……ハンドル、１１……連動部材、１５……
変速装置、３１……操作部、３７……連係部材、
４１……連係機構、４５……カム溝、４８……グ
リース溜り部。 The drawings show an embodiment of the operation structure for running an agricultural tractor according to the present invention, in which Fig. 1 is a plan view of the cam mechanism, Fig. 2 is a perspective view of the grease reservoir, and Fig. 3 is a partially cutaway view of the cam mechanism. Fig. 4 is a side view of the linkage mechanism, Fig. 5 is a partially cutaway front view of the transmission, Fig. 6 is a partially cutaway side view of the transmission, and Fig. 7 is a side view of the entire agricultural tractor. FIG. 3 is a partially cutaway side view. 1a, 1b...Front wheel, 2a, 2b...Rear wheel, 5...Handle, 11...Interlocking member, 15...
Transmission device, 31... operating unit, 37... linking member,
41...Linkage mechanism, 45...Cam groove, 48...Grease reservoir.

Claims

[Scope of utility model registration request]

A first state in which the average circumferential speed of the pair of left and right front wheels 1a, 1b and the average circumferential speed of the pair of left and right rear wheels 2a, 2b are the same or almost the same, and the average circumferential speed of the pair of front wheels 1a, 1b is a pair of said rear wheels 2;
A transmission device 15 is provided which can be freely switched to a second state in which the front wheels 1 and 2b have a higher average circumferential speed than the average circumferential speed of the front wheels 1.
When the steering angles of the front wheels 1a and 1b are less than the set value, the transmission 15 is in the first state, and when the front wheels 1a and 1b are steered beyond the set value, the transmission 15 The interlocking member 11 of the front wheels 1a, 1b and the handle 5 for steering operation thereof is linked with the operation section 31 of the transmission 15 so that the front wheels 1a, 1b are automatically switched to the second state. The operating structure for running an agricultural tractor is provided with a linkage mechanism 41, wherein the linkage mechanism 41 is a mechanical mechanism, and a linkage member 37 for configuring the linkage mechanism 41.
a cam groove 45 for interlocking the interlocking member 11;
The operating structure for running an agricultural tractor includes a grease reservoir 48 in communication with the cam groove 45 so that the grease flows naturally in the interlocking member 11 or the interlocking member 37.