Working vehicle and working vehicle control method

摘要

A working vehicle includes a revolving pump output calculating section that calculates the revolving pump output where the output of an electric motor is converted to be the output of a hydraulic pump. A reduction amount determining section determines a reduction amount for the output of the hydraulic pump during the multiple operations based on the revolving pump output. A pump output determining section determines a value, where the reduction amount is subtracted from the output of the hydraulic pump which is determined according to the state with the multiple operations, in a first control mode as the output of the hydraulic pump during the multiple operations. The pump output determining section increases the output of the hydraulic pump during the multiple operations in a second control mode more than in the first control mode.

主权项

1. A working vehicle comprising:
a vehicle body including a traveling body and a revolving body rotatably supported by the traveling body; an engine mounted in the vehicle body; a hydraulic pump driven by the engine; a work implement including a hydraulic actuator driven by hydraulic fluid discharged from the hydraulic pump; an electric motor which rotates the revolving body; a multiple operation detecting section which detects a state with multiple operations in which operating of the hydraulic actuator and the electric motor is carried out in combination; a control mode selecting section which selects a control mode from a plurality of control modes including a first control mode and a second control mode; a revolving pump output calculating section which calculates a revolving pump output which is an output of the hydraulic pump converted from an output of the electric motor; a reduction amount determining section which determines a reduction amount for the output of the hydraulic pump during the multiple operations based on the revolving pump output; and a pump output determining section which determines a value, which is the maximum output of the hydraulic pump determined according to the state with the multiple operations minus the reduction amount, in the first control mode as the output of the hydraulic pump during the multiple operations and which increases the output of the hydraulic pump during the multiple operations in the second control mode more than in the first control mode.