Tail reducer casing and heavy-load tail speed reducer

• Main Authors: CHEN JIANGWEN, TAO HAI, CHU JIONG, DAI HUA, SU XINSHENG, ZHENG SHENGXU
• Format: Patent
• Language: Chinese; English
• Published: 04.08.2020
• Subjects: AEROPLANES; AIRCRAFT; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT; AVIATION; COSMONAUTICS; EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; HELICOPTERS; PARACHUTES; PERFORMING OPERATIONS; TRANSPORTING

The invention provides a tail reduction casing and a heavy-load tail speed reducer. The tail reduction casing comprises a tail reduction main casing, a tail reduction input casing and a plurality of pairs of mounting legs. The tail reduction main casing and the tail reduction input casing form an integrated structure, one part of the tail reduction input casing is located in the tail reduction main casing, and at least one part of the part, located in the tail reduction main casing, of the tail reduction input casing has a hollow structure. The tail reduction casing further comprises a plurality of reinforcing plates; each reinforcing plate is arranged between the same side of the two mounting legs in the same pair and the bottom of the tail reduction casing, lightening holes are formed inthe multiple reinforcing plates of the tail reduction casing, and special-shaped lightening holes are formed in the reinforcing plate located on the outermost side. On the basis of the design, the existing independent design