Differential speed and variable speed integrated power assembly special for pure electric drive loading vehicle

• Main Authors: YU RUIYONG, LUO SHOUYUAN, MA BAOJUN, ZHANG YANG
• Format: Patent
• Language: Chinese; English
• Published: 03.05.2022
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL

The invention relates to the technical field of power assemblies of engineering machinery vehicle driving systems, in particular to a special differential and variable speed integrated power assembly for a pure electric driving loading vehicle, which comprises wheel driving motors of a front axle and a rear axle, a differential and variable speed integrated gearbox, an electric gear engaging device, an oil pump motor, an oil pump gearbox and an oil pump, the differential and variable speed integrated gearbox is provided with a high gear and a low gear, gear shifting operation of the electric gear shifting device can meet synchronous gear shifting operation of the front axle differential and variable speed integrated gearbox and the rear axle differential and variable speed integrated gearbox, the problem that a manual gear shifting device cannot be used for the front axle gearbox of the loading vehicle is solved, and the oil pump motor is driven through speed reduction, so that efficiency is higher; according