Fuel consumption saving control device for work vehicle and fuel consumption saving method for work vehicle

摘要

A fuel consumption saving control device for a work vehicle includes: a vehicle speed detector 11 for detecting whether the vehicle is traveling; an accelerator operation detector 16 for detecting whether an accelerator operating member is not operated; a boom operating lever 23 for detecting whether a command to carry out operation to lift a boom which performs cargo carrying work has been issued; and a controller 8 for carrying out control for increasing a speed reducing ratio of a travel transmission 4 when the vehicle speed detector 11 detects that the vehicle is traveling, the accelerator operation detector 16 detects that the accelerator operating member is not operated, and also the boom operating lever 23 detects that the command to lift the boom has been issued.

主权项

1. A fuel consumption saving control device for a work vehicle comprising:
a travel detecting portion for detecting whether the vehicle is traveling; an accelerator operation detecting portion for detecting whether an accelerator operating member is not operated; a work operation detecting portion for detecting whether a command to carry out operation to lift a work machine which performs cargo carrying work has been issued; and a control portion for carrying out control for increasing a speed reducing ratio of a travel transmission and control for increasing a capacity of a hydraulic pump used for the work machine when the travel detecting portion detects that the vehicle is traveling, the accelerator operation detecting portion detects that the accelerator operating member is not operated, and the work operation detecting portion detects that the command to lift the work machine has been issued, wherein the control portion changes the speed reducing ratio of the travel transmission and the capacity of the hydraulic pump used for the work machine according to the lifting operation command amount of the work machine.