WORK MACHINE TRANSMISSION CONTROL

摘要

The present invention provides a work machine gear shifting control system that provides enhanced work efficiency by making it easy to freely set up desired gear shifting conditions for an automatic gear shifting mode in accordance with work site conditions. While a wheel loader travels, an area 62 of a display device 49 displays a permissible velocity setting range and a setup operation guidance, and another area 64 shows a guidance to indicate whether the setting is acceptable (OK) or unacceptable (NG). When the traveling velocity falls within the permissible velocity setting range, the displayed guidance changes to indicate that the setting is acceptable. When, in this instance, an operator presses a setup switch 23 with desired timing, a transmission gear shifting control section 45 acquires the prevailing vehicle velocity and velocity ratio (or vehicle velocity), and stores adjustment values in an adjustment value storage section 43 so that the vehicle velocity and velocity ratio become the gear shifting control threshold values for normal gear shifting control (steps S535 to S545).