Helicopter-mounted reference clock fixing device with damping function

The utility model discloses a helicopter-borne reference clock fixing device with a damping function, which comprises a base, an outer sheath is arranged on the base, an active crystal oscillator fixing sleeve used for limiting is detachably connected to the top end of the outer sheath, the active crystal oscillator fixing sleeve comprises an outer convex sleeve and a protective sleeve, and the outer convex sleeve is connected to the top end of the inner wall of the protective sleeve. An active crystal oscillator is arranged in the active crystal oscillator fixing sleeve and the outer sheath,the outer protruding sleeve is arranged at the top end of the active crystal oscillator, a rubber pad is arranged between the active crystal oscillator and the base, welding pins are arranged at the bottom end of the active crystal oscillator, and the welding pins penetrate through the base. And meanwhile, the damping cavity is formed between the bottom plate and the top plate of the base, and themultiple sets of damping