Multi-gear planet type hydraulic transmission driving mechanism

The invention discloses a multi-gear planet type hydraulic transmission driving mechanism which is mainly composed of a locking and vibration reducing clutch assembly (A), a hydraulic torque converter (B), a power output device (5), an internal cycloidal gear pump (6), a turbine output shaft (21), a planet gearbox (D), an output shaft (14), a speed reducer assembly (E) and the like. According to the multi-gear planet type hydraulic transmission driving mechanism disclosed by the invention, the power output of seven advancing gears and one reversing gear can be realized by using the novel hydraulic transmission driving structure form on the basis of not increasing the numbers of the original clutches, brakes and planet lines. The invention has the advantages of compact structure and smaller volume, so the whole machine arrangement is facilitated.