HORIZONTAL DRIVE ASSEMBLY OF DUAL POWER SOURCE VEHICLE

A horizontal drive assembly of a dual power source vehicle, comprising two power sources and an automatic transmission (10). The automatic transmission (10) is provided with a first input shaft (21) and a second input shaft (22). The two power sources are connected to the two input shafts (21, 22) respectively. A first intermediate shaft (31) is provided in parallel to the first input shaft (21). A second intermediate shaft (32) is provided in a direction coaxial with the first input shaft (21). A third intermediate shaft (33) is provided in a direction coaxial with the first intermediate shaft (31). A first gear (11) on the first input shaft (21) is in engaged transmission with a second gear (12) on the first intermediate shaft (31). A third gear (13) on the second intermediate shaft (32) is in engaged transmission with a fourth gear (14) on the second intermediate shaft (34). A fifth gear (15) on the second intermediate shaft (32) is in engaged transmission with a sixth gear (16) on the ...

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HORIZONTAL DRIVE ASSEMBLY OF DUAL POWER SOURCE VEHICLE

A horizontal drive assembly of a dual power source vehicle, comprising two power sources and an automatic transmission (10). The automatic transmission (10) is provided with a first input shaft (21) and a second input shaft (22). The two power sources are connected to the two input shafts (21, 22) respectively. A first intermediate shaft (31), a second intermediate shaft (32), and the second input shaft (22) are respectively provided in a direction coaxial with the first input shaft (21). A third intermediate shaft (33) is provided in parallel to the first input shaft (21). A fourth intermediate shaft (34) is provided in a direction coaxial with the third intermediate shaft (33). A first gear (11) on the first intermediate shaft (31) is in engaged transmission with a second gear (12) on the third intermediate shaft (33). A third gear (13) on the second intermediate shaft (32) is in engaged transmission with a fourth gear (14) on the fourth intermediate shaft (34). A fifth gear (15) is provided ...

Similar design method of power turbine rotor simulation tester

The invention belongs to the technical field of engine tests, and particularly relates to a similar design method of a power turbine rotor simulation tester. The method comprises the following steps: determining a rotor supporting form of a real power turbine rotor structure to be simulated, the position of a turbine blade disc, a rotor critical rotating speed and strain energy distribution; giving an initial structure scheme of the power turbine rotor tester meeting the structure and dynamics requirements, and adopting a rotor structure supported by two fulcrums with a cantilever disc; acquiring a fulcrum load, a rotor critical rotating speed and strain energy distribution of the power turbine rotor tester, comparing the fulcrum load, the rotor critical rotating speed and the strain energy distribution with a real power turbine rotor structure, and when a comparison error exceeds a set value, adjusting a fulcrum, a cantilever disc and the rotor structure; and whether the elastic support ...

HORIZONTAL DRIVE ASSEMBLY OF DUAL POWER SOURCE VEHICLE

A horizontal drive assembly of a dual power source vehicle, comprising a first power source, a second power source, and an automatic transmission (10). The power sources are respectively connected with a first input shaft (21) and a second input shaft (22) of the automatic transmission. A first intermediate shaft (31) is provided in parallel with the first input shaft; a second intermediate shaft (32) and a third intermediate shaft (33) are respectively provided in directions coaxial with the first input shaft and the first intermediate shaft; a first clutch (41) is provided between the first intermediate shaft and the third intermediate shaft; a second clutch (42) is provided between the first input shaft and the second intermediate shaft. A first gear (11) on the first input shaft is in engaged transmission with a second gear (12) on the first intermediate shaft; a third gear (13) on the second intermediate shaft is in engaged transmission with a fourth gear (14) on the third intermediate ...

ELECTRIC DRIVE ASSEMBLY OF VEHICLE

Disclosed is an electric drive assembly of a vehicle. The electric drive assembly of a vehicle is connected to rear axle half-shafts (6) or front axle half-shafts of a vehicle, and comprises: an electric motor (1), a speed reducer, an electromagnetic dog clutch and a differential (7). The speed reducer is provided with multiple stages of gears, an input shaft (4) and an intermediate shaft (5). The differential (7) is connected between half shafts of an axle. The electromagnetic dog clutch is mounted to the input shaft (4) or the intermediate shaft (5) of the speed reducer or to the half shafts of the axle. When the electromagnetic dog clutch is engaged, a driving force of the electric motor (1) is transmitted to the axle via the speed reducer and the electromagnetic dog clutch so as to supply an auxiliary driving force to the vehicle. When a driving force of an acceleration stage of the entire vehicle is insufficient, the electric drive assembly is made to supply an auxiliary driving force ...

Aerial turbofan engine shaft component cyclic fatigue life load spectrum compilation method

The invention provides an aviation turbofan engine shaft component cycle fatigue life load spectrum compilation method comprising the following steps: 1, collecting an engine typical mission profile and mixing frequency data thereof, and combining the height, the Mach number and the engine working state to form an engine typical working point; 2, corresponding overall performance parameters are collected according to typical working points of the engine and converted into torque characteristic values, and a graphic format of a typical task section is established with the torque characteristic values as ordinates and task section serial numbers as abscissas; 3, performing statistics on each typical mission profile according to the torque characteristic value by adopting a rain flow counting method to obtain all peak/valley value points of a plurality of cycle pairs and corresponding typical working points of the engine; and 4, selecting or clustering peak/valley value points from the typical ...

Design method of squirrel cage elastic supporting structure considering pre-adjustment concentricity

The invention belongs to the technical field of engine tests, and particularly relates to a squirrel cage elastic supporting structure design method considering pre-adjustment concentricity. The method comprises the following steps: S1, providing an initial scheme of a squirrel cage elastic supporting structure which meets an elastic support rigidity requirement, a fatigue requirement and an elastic support limiting gap requirement; s2, calculating the elastic support sinkage of the squirrel cage elastic support structure; s3, when the deflection of the elastic support exceeds the set percentage of the limiting gap of the elastic support, the squirrel cage elastic supporting structure is subjected to eccentric design according to the given preset concentric quantity, and the preset concentric quantity does not exceed the deflection of the elastic support; and S4, performing fatigue checking on the squirrel cage elastic supporting structure subjected to eccentric design, and solidifying ...