The invention relates to an acoustic releaser actuating mechanism capable of
cutting a cable, which comprises a sealed shell, a pneumatic pin remover, a releaser pedestal, a pin remover pin shaft, a cutter, a release hook, a release hook rotating shaft, a
shackle, a limiting shaft, releaser
calipers, a
cut cable and a cable pressing plate, and a
peripheral device is an
underwater sound
transducer, wherein the releaser pedestal and the releaser
calipers are integrated into a whole, and the release hook rotating shaft and the limiting shaft are installed on the releaser pedestal; the bottom of the sealed shell is connected with the releaser pedestal in a sealed mode, and the pin remover pin shaft penetrates through the releaser pedestal to a position between the releaser
calipers; the cutter is installed on the pin remover pin shaft; the release hook is installed in the releaser calipers, the upper end of the release hook abuts against and is connected with the lower end of the pin remover pin shaft and is positioned by the pin remover pin shaft, and the
shackle is hung on the release hook; and the
cut cable penetrates through a cable passing hole of the pin remover pin shaft and is fixed on the releaser pedestal by the cable pressing plate. The
underwater sound
transducer can receive a sound
signal released by a surface remote controller, the pneumatic pin remover acts, the cable is
cut, and the
shackle is released at the same time.