Multifunctional anti-falling device for small box fixture of crown block

The utility model relates to the technical field of aluminum electrolysis, and discloses a multifunctional crown block small box clamp anti-falling device which comprises a screw head part clamping plate, connecting seats are fixedly connected to the front end and the rear end, close to the upper portion, of the two inner side walls of the screw head part clamping plate, and clamping devices are connected to the outer sides of the four connecting seats through connecting bolts. According to the utility model, the anti-drop first arc-shaped plates are additionally hung on the two sides of the clamping plate part of the screwing head part, and when the screwing head mechanism descends to the anode, the semi-arcs welded on the first arc-shaped plates made of stainless steel are used for guiding, so that the stainless steel plates are automatically opened towards the two sides; according to the small box clamp lifting device, pure mechanical automatic operation is adopted, electrical, hydraulic and air compressio