JPS61145038U

JPS61145038U -

Info

Publication number: JPS61145038U
Application number: JP2860685U
Authority: JP
Priority date: 1985-02-28
Filing date: 1985-02-28
Publication date: 1986-09-06

Description

[Brief explanation of drawings]

図面は本考案に係る作業車の実施例を示し、第
１図は走行変速の操作構成を示す概略側面図、第
２図は油圧回路図、第３図は制御システムの全体
構成を示すブロツク図、第４図はブレーキ作動制
御を示すフローチヤート、第５図は芝刈作業車の
全体側面図、第６図は同車の平面図、第７図は運
転シートの装着部を示す概略側面図、第８図はリ
ヤカバーの取付構造を示す一部切欠き側面図、第
９図は後輪のステアリング用シリンダの取付構造
を示す一部切欠き背面図、第１０図はその一部切
欠拡大図である。２４……油圧式無段変速装置、２５……変速操
作具、Ｂ……走行用ブレーキ。 The drawings show an embodiment of the work vehicle according to the present invention, in which Fig. 1 is a schematic side view showing the operating configuration of the traveling speed change, Fig. 2 is a hydraulic circuit diagram, and Fig. 3 is a block diagram showing the overall configuration of the control system. , FIG. 4 is a flowchart showing brake operation control, FIG. 5 is an overall side view of the lawn mowing vehicle, FIG. 6 is a plan view of the same vehicle, and FIG. 7 is a schematic side view showing the mounting portion of the driver's seat. Figure 8 is a partially cutaway side view showing the rear cover mounting structure, Figure 9 is a partially cutaway rear view showing the rear wheel steering cylinder mounting structure, and Figure 10 is a partially cutaway enlarged view. be. 24... Hydraulic continuously variable transmission device, 25... Speed change operation tool, B... Traveling brake.

Claims

[Scope of utility model registration request]

The vehicle is equipped with a hydraulic continuously variable transmission 24 and a traveling brake B, and is in a braking state when the transmission position of the transmission 24 is in the vicinity of a neutral position, and
The work vehicle is equipped with a control means for operating the brake B so as to automatically switch to a brake release state in a range other than the vicinity of the neutral position, and the work vehicle is provided with a control means that operates the brake B so that the brake B is automatically switched to a brake release state in a range other than the vicinity of the neutral position, The operating tool 2 is provided with a means for detecting whether or not the operating tool 2
5, a working vehicle is provided with a brake release means for automatically switching the brake B to a brake release state when the brake B is in an operating state.