Patent ID: 6394391
Filing Date: 2002-05-28
Classification: B64F

Abstract:
A landing truck for receiving an aircraft in a forced landing, the landing truck comprising:a wheeled vehicle, which comprises a chassis having front and rear portions thereof independently driven by front and rear engines, a pair of front guide wheels and a pair of rear guide wheels synchronously controlled by operators in front and rear steering compartments respectively provided at opposite sides of the chassis; a landing frame, which is operatively placed on a top of the chassis, and forms a bottom base with two side-walls, wherein a front end portion of the bottom base is able to be raised up to tip the landing frame in cooperation with a landing angle of the aircraft; a trapping unit having a trap, which is stretched tightly over a top and two opposite outer sides of the landing frame, and has two opposite sides thereof securely connected with a plurality of equal-spaced drag ropes respectively driven by a plurality of hydraulic winches received in the landing frame; a cushioning unit, which comprises a sectional middle cushion bearer provided in a middle of the landing frame under the trap and being movable in a vertical direction, and two sectional side cushion bearers symmetrically provided at opposite sides of the middle cushion bearer; a supporting and balancing unit comprising two parallel sets of cushion supports symmetrically provided at two opposite outer sides of the landing frame for supporting and balancing the aircraft landing on the landing frame; an automatic controlling unit comprising a set of touch sensors, which consists of two pairs of touch rods pivotally fixed in two pairs of touch holes respectively provided at the front and rear portion of the chassis, each two upper ends of one pair of the touch rods connected together by an elastic wire, and a monitoring system, which includes a digital image pick-up device provided at a front end portion of the landing frame and multiple digital image pick-up device provided at opposite sides of the landing frame.