WHEEL LOADER WITH A HYDROSTATIC TYPE DRIVING SYSTEM

Provided is a wheel loader having an HST type driving system. In order to make it possible to improve working efficiency in an eco mode when a power mode and the eco mode have been set in the wheel loader, the wheel loader is provided with a controller 18 which has an eco mode characteristic line 31...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	UNO, Kohtaroh, SHIMAZU, Atsushi, KAWAHARA, Shoroku, KIKUCHI, Keigo, HYODO, Koji
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES DREDGING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS FOUNDATIONS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS HYDRAULIC ENGINEERING LIGHTING MECHANICAL ENGINEERING SOIL SHIFTING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	Provided is a wheel loader having an HST type driving system. In order to make it possible to improve working efficiency in an eco mode when a power mode and the eco mode have been set in the wheel loader, the wheel loader is provided with a controller 18 which has an eco mode characteristic line 31, a power mode characteristic line 32, and a lifting operation characteristic line 34 having a matching point C located between a matching point A between a working device operating engine torque characteristic line 30 and the eco mode characteristic line 31 and a matching point B between the working device operating engine torque characteristic line 30 and the power mode characteristic line 32. The controller 18 includes a control portion which controls an HST pump 11 in accordance with the lifting operation characteristic line 34 when lifting operation of a lift arm 4 is detected in the condition that the eco mode has been selected by a work mode selecting portion 22.