Anti-falling device with liquid level monitoring function

The utility model belongs to the technical field of municipal road sewer devices, and discloses an anti-falling device with a liquid level monitoring function, which comprises a bearing component, a waterproof component and a water level detection device. The bearing assembly comprises an adapter seat, a supporting seat and a bearing frame, the adapter seat and the supporting seat are connected to a well wall in a well hole, one end of the bearing frame is rotationally connected to the adapter seat, the other end of the bearing frame can abut against the upper side of the supporting seat, the waterproof component is connected to the bearing frame, a containing groove is formed in the waterproof component, and the water level detection device is arranged in the containing groove. During normal use, the bearing assembly is in a closed state to prevent objects at a wellhead from falling, the water level detection device can monitor the underground water level height, during overhaul and maintenance, the bearing