FIELD: aeronautical engineering. SUBSTANCE: shock-absorber - hydraulically operated hoist includes liquid-spring gas shock-absorber with low- and high-pressure chambers. Hydraulically operated hoist is located between low- and high-pressure chambers; cylinder of this hoist is rigidly connected with cylinder of low-pressure chamber and rod is connected with piston provided with locking device for keeping the rod from motion when in inoperative position; it is rigidly connected with high-pressure chamber and may reciprocate over cylinder of hydraulically operated hoist; cavity of hydraulically operated hoist is separated from cavities of low- and high-pressure chambers by bottom of low-pressure chamber and crown of rod of high-pressure chamber. Shock-absorber - hydraulically operated hoist is additionally provided with device for excluding turn of rod of hydraulically operated hoist relative to its cylinder. EFFECT: enhanced efficiency of hoisting and dampening of main undercarriage leg of helicopter. 2 cl, 3 dwg
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