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[CN 201721102755.8] Mechanical gearbox for hydro-mechanical continuously variable transmission
[CN 201721102755.8] Mechanical gearbox for hydraulic-mechanical continuously variable transmission device Title: Mechanical gearbox for hydraulic-mechanical continuously variable transmission device Application number: CN 201721102755.8 Applicant: Lovol Heavy Industry Co., Ltd. Application date: 2017-8-30 Patent type: Utility model This utility model discloses a mechanical gearbox for hydraulic-mechanical continuously variable transmission device, which belongs to the technical field of wheeled harvester, including input shaft, transition shaft, differential assembly and output shaft; the tooth seat of the low-speed gear meshing sleeve and the tooth seat of the working walking gear meshing sleeve are all fixed on the input shaft, and the low-speed gear set, the walking gear set and the working gear set are all empty sleeved on the input shaft; The transition shaft is sequentially fixedly connected with a low-speed gear driven gear, a traveling gear driven gear, a fourth gear and a working gear driven gear; the housing of the differential assembly is fixedly or integrally provided with a fifth gear, an output gear of the differential assembly is connected to the output shaft. The utility model can realize high-efficiency transmission; at the same time, the mechanical gearbox can transmit greater power, which can effectively reduce the power of the hydraulic speed regulating mechanism of the hydraulic-mechanical continuously variable transmission device, so that a smaller displacement pump and motor can be selected to meet The overall performance of the heavier machine.
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