| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a simple hydraulic operation system capable of reducing the cost of the system and a complex structure. SOLUTION: This hydraulic operation system comprises a hydraulic liquid source 275, a hydraulic liquid reservoir 278, a clutch actuator 22, gear shift actuators 114, 115 and a main control valve 120, an operation chamber 23 of the clutch actuator 22 is connected to the main control valve 120 through the clutch control valve 122, a first operation chamber 118 of the gear shift actuators 114, 115 is connected to the hydraulic liquid source through first gear shift control valves 144, 146, and a second operation chamber 119 of the gear shift actuators 114, 115 is connected to the main control valve 120 through second gear shift control valves 145, 147.</p> |
