The invention relates to the field of novel transmission systems of medium-power and high-power vehicles, in particular to a double-mode double-row hydraulic mechanical stepless transmission system and a control method, comprising a shunting mode switching device, a hydraulic transmission device, a shunting device, a converging device, a stepped transmission device, a converging mode switching device and a shafting device, wherein the shafting device comprises an input shaft, a hydraulic transmission shaft, a sun wheel shaft, an intermediate shaft, a reverse gear shaft and an output shaft; according to the scheme of the transmission system, the transmission system comprises two working modes including a speed-dividing and torque-converging mode and a torque-dividing and speed-converging mode, the pure hydraulic transmission working condition and the pure mechanical transmission working condition exist, the transmission system is provided with two converging planet rows, the speed regulation control range of hydraulic mechanical gears is widened, large-range stepless speed regulation and smooth section shifting can be achieved according to different driving conditions of a vehicle, and the transmission efficiency is improved. And the dynamic property and the optimal fuel economy of each driving section of the vehicle are improved.
本发明涉及中、大功率车辆新型传动系统领域,具体涉及一种双模式双排液压机械无级传动系统及控制方法,包括分流模式切换装置、液压传动装置、分流装置、汇流装置、有级传动装置、汇流模式切换装置及轴系装置组成,其中轴系装置包含输入轴、液压传动轴、太阳轮轴、中间轴、倒挡轴和输出轴;该传动系统方案包含分速汇矩模式和分矩汇速模式两个工作模式,且存在纯液压传动和纯机械传动工况,本发明具备两个汇流行星排扩宽了液压机械档位的调速控制范围,可根据车辆不同行驶条件实现大范围无级调速和平顺换段,提高了车辆行驶各段的动力性和最佳燃油经济性。
Double-mode double-row hydraulic mechanical stepless transmission system and control method
一种双模式双排液压机械无级传动系统及控制方法
15.03.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
Mechanical hydraulic stepless transmission system of tractor
Europäisches Patentamt | 2023
|Double-clutch differential confluence stepless speed change transmission system
Europäisches Patentamt | 2021
|Double-motor stepless speed regulation electric drive transmission
Europäisches Patentamt | 2022
|STEPLESS TRANSMISSION AND METHOD FOR CONTROLLING STEPLESS TRANSMISSION
Europäisches Patentamt | 2017