| 摘要 |
<p>[Problem] To provide a drive control device for a work vehicle with which it is possible to reliably prevent stalling when a large load suddenly operates on a vehicle-mounted engine, and which has excellent environmental tolerance. [Solution] When it is determined in a step S4 that the vehicle speed of a wheel loader (1) is at or less than a reference value (Yes), and it is determined in a step S5 that a forward/reverse command means (40) has been switched (Yes), the process moves to a step S6, where the increment ?N in the rotational velocity of the engine in accordance with the load factor of the engine is calculated. Next, in a step S7, the increment ?N in the engine rotational velocity is added to the target engine rotational velocity Na corresponding to the amount of operation of the gas pedal (38), the resulting Na = Na + ?N is set as the new target engine rotational velocity Na, and a target engine rotational velocity command i1 is supplied to an engine controller (37).</p> |
