The utility model discloses a whole anti -falling device that is used for mechanical type parking equipment balance and electronic safety hooks at 4, it includes mechanical type jiffy stand (5), carry sweep (4), detect sensor (1) and anti -falling device, it installs on mechanical type jiffy stand (5) to detect sensor (1), anti -falling device's one end and year sweep (4) are connected, in anti -falling device's the other end installation mechanical formula jiffy stand (5), detect one side that sensor (1) is located anti -falling device, and detect sensor (1) and garage control headtotail. The beneficial effects of the utility model are that: it has real -time detection, real time control carries sweep operation and the high advantage of security.