Title:
WORK VEHICLE
Document Type and Number:
Japanese Patent JP2019173916
Kind Code:
A
Abstract:
To suppress deterioration in workability by determining a working scene on the basis of an operation amount of an accelerator pedal and a brake operation amount in a work vehicle such as a wheel loader, protect a drive force transmission device, and improve fuel economy.SOLUTION: A vehicle body controller (61) determines a working scene that a travel device (49) and a work machine (8) perform on the basis of an operation amount of an accelerator pedal (31) and an operation amount of a brake pedal (32). When the working scene is determined to be a working scene in which an increase in the number of rotations of an engine is desired, a lock-up clutch (46) is switched to a disconnection state even when a hydraulic actuator provided to the work machine (8) is not operated, and the number of rotations of the engine is increased. When the working scene is determined to be a working scene in which a large load is applied to a travel driving system from the engine (41) to the travel device (49), the lock-up clutch (46) is also switched to the disconnection state.SELECTED DRAWING: Figure 2
Inventors:
NAITO KEISUKE
KAMIYA JUNPEI
KAMIYA JUNPEI
Application Number:
JP2018064519A
Publication Date:
October 10, 2019
Filing Date:
March 29, 2018
Export Citation:
Assignee:
KCM KK
International Classes:
F16H61/14; F16H59/18; F16H59/46; F16H59/54; F16H59/66; F16H61/00; F16H63/46
Domestic Patent References:
| JP2017178142A | 2017-10-05 | |||
| JP2013103537A | 2013-05-30 | |||
| JP2008275016A | 2008-11-13 | |||
| JP2016151325A | 2016-08-22 | |||
| JP2017116056A | 2017-06-29 |
Foreign References:
| EP3258136A1 | 2017-12-20 |
Attorney, Agent or Firm:
Patent Business Corporation Takewa International Patent Office