Multifunctional transmission structure

The invention relates to the technical field of aviation transmission system mechanical transmission, in particular to a multifunctional transmission structure which comprises a step-up gearbox shell, an input transmission shaft, a high-speed output shaft, a low-speed output shaft, a bevel step-up gearbox shell, an input shaft, a middle bevel gear shaft and a high-speed output gear shaft. The input transmission shaft and the high-speed output shaft are arranged on the lower portion in the step-up gear box shell, the input transmission shaft is meshed with the high-speed output shaft, and the low-speed output shaft is arranged on the upper portion in the step-up gear box shell and meshed with the high-speed output shaft. The input shaft, the intermediate bevel gear shaft and the high-speed output gear shaft are arranged in the bevel step-up gear box shell and are sequentially in meshed transmission; a central transmission unit body and a single transmission unit body are arranged in the ...