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[CN 201721102738.4] Hydro-mechanical stepless speed change device


[CN 201721102738.4] Hydraulic-mechanical stepless transmission device Title: Hydraulic-mechanical stepless transmission device Application number: CN 201721102738.4 Applicant: Leiwo Heavy Industry Co., Ltd. Application date: 2017-8-30 Patent type: Utility model This utility model discloses A hydraulic-mechanical stepless transmission device belongs to the technical field of wheeled harvester stepless transmission devices, including total power input shaft, shunt mechanism, confluence mechanism, hydraulic speed regulation mechanism and mechanical transmission mechanism; the shunt mechanism includes a first shunt gear and a second shunt gear, the first shunt gear meshes with the second shunt gear, and the first shunt gear is fixedly connected to the total power input shaft; The hydraulic speed regulating mechanism includes a pump and a motor, and the input shaft of the pump is connected with the total power input shaft; the converging mechanism is a planetary row, and the planetary row includes a sun gear, an inner ring gear and a planet carrier, the sun gear is connected to an output shaft of the motor, the ring gear is connected to or integrated with the second bypass gear, and the carrier is connected to an input shaft of the mechanical transmission mechanism. The utility model improves the transmission efficiency with simple structure and lower cost.