| 摘要 |
FIELD: transport engineering. ^ SUBSTANCE: invention relates to power takeoff control devices of special automobiles. Proposed device to control clutch has pneumohydraulic booster and clutch master cylinder. Moreover, device contains additional clutch master cylinder connected to pneumohydraulic booster through hydraulic distributor providing operation of clutch at two modes, namely, traveling and power takeoff ones. Distributor is furnished with mode automatic interlock member. Device contains pickup operating at power takeoff mode in case of overload. Additional clutch master cylinder is provided with makeup tank. Hydraulic distributor can be furnished with mode selector handle or electromagnetic selector. To change over clutch from traveling into power takeoff mode, hydraulic distributor is furnished with electropneumatic drive with pushbutton in cab to switch on electromagnetic valve. Hydraulic distributor is furnished with hydropneumatic drive operated by clutch pedal to change over clutch operation modes. ^ EFFECT: improved operating conditions of clutch control device, improved convenience of control of clutch on special automobiles with power takeoff devices. ^ 8 cl, 3 dwg |
