DY-1 SUSPENDING RESCUE SEAT ON HELICOPTER / 医疗卫生装备

DY-1 suspending rescue seat on helicopter is a helicopter-equipped apparatus which is used to rescue flight personnel forced to parachute or landing,or other individual disasters. The thesis briefly introduces the seal s working principle,performances and some experimenting results. It errphasizes on recounting the structure and the condition at operation of the active arm's locking mechanism of the rescue seat's peron fixed ring.