| 摘要 |
FIELD: transport. ^ SUBSTANCE: crane truck comprises an arm, a rotary and no rotary devices, two rear outriggers with the crane suspension supports and two front outriggers with the crane suspension supports. Every crane suspension support represents a hydraulic cylinder incorporating a piston with rod. The piston stroke of the two rear supports of crane suspension exceeds that of the like front supports. ^ EFFECT: enlarged tolerable slope of the crane truck operating site, higher load-lifting capacity in operation on steep slopes, enlarged crane lengthwise inclination and greater deepening of anchor stay or piles by the crane suspension rear supports. ^ 15 dwg |
