| 摘要 |
PURPOSE:To improve follow-up delay of rear wheelsl by determining the turning amount of the rear wheels according to the operating oil pressure of a power cylinder for front wheels. CONSTITUTION:A power steering control device comprises a front wheel steering power cylinder 4, a rear wheel turning power cylinder 5, a control valve 6 for front wheels, which is adapted to switch the working fluid supply direction to the power cylinder 4 in synchronization with a steering shaft 28, and a control valve 13 for rear wheels, which is adapted to operate, taking some of a pressure fluid of the power cylinder 4 as pilot pressure to turn the rear wheels. |
