Two-fulcrum hollow shaft output speed reducer

The utility model discloses a two-fulcrum hollow shaft output speed reducer. Box body, a first cavity and a second cavity are formed in the positions, close to the top and the bottom, in the box bodycorrespondingly. Wherein a box cover is clamped at the top of the box body; a first bearing and a second bearing are fixedly installed on the two sides in the first cavity respectively, an input flange is fixedly installed at the position close to the bottom of one side of the box body, an installation groove is formed in the position close to the center of the side, away from the box body, of theinput flange, and a first oil seal is fixedly installed at the position close to the center of the side, corresponding to the installation groove, in the input flange. The utility model discloses a two-fulcrum hollow shaft output speed reducer. Through cooperative use of the hollow output shaft, the floating block, the first supporting shaft neck, the second supporting shaft neck, the sliding groove, the floating sleeve,