Hybrid electric drive system for multi-axle wheeled vehicles

A hybrid electric drive and wheel-side drive technology, applied in the field of power transmission, can solve the problems of wheel loss of power, complicated mechanical structure and control, and inability to realize flexible distribution, so as to achieve flexible power distribution, facilitate modular expansion, and improve dynamic cycle. The effect of trace ability

CN103587403BActive Publication Date: 2016-01-27BEIJING INSTITUTE OF TECHNOLOGYGY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2016-01-27

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Abstract

The invention belongs to the technical field of power transmission, and particularly relates to a vehicle hybrid power driving system. According to the technical scheme of the multi-axle multi-wheel vehicle hybrid electric driving system, in a mechanical drive section, an engine (1) and a gearbox (3) are longitudinally arranged, an elastic coupler (2) is arranged between the engine and the gearbox, a transfer case (4) is connected to the rear side of the gearbox (3), and the transfer case (4) conducts power distribution and distributes the power into axles through a drive axle; in a dynamic drive section, a wheel edge drive motor (8) and a double-gear gearbox (7) are combined to drive the axles, the wheel edge drive motor (8) is connected to a power management system (21), and the power management system (21) is connected with a battery pack (22) and the gearbox (3). According to the multi-axle multi-wheel vehicle hybrid electric driving system, an inter-axle differential mechanism and an inter-wheel differential mechanism are omitted, the structure of the driving system is simplified, a transmission chain is shortened, and power distribution is flexible.
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Description

technical field

[0001] The invention belongs to the technical field of power transmission, and in particular relates to a vehicle hybrid drive system. Background technique

[0002] The multi-axle drive vehicle has reasonable axle load distribution, strong power and passability, and is widely used in heavy-duty wheeled vehicles and military wheeled vehicles. With the improvement of vehicle maneuverability and handling stability performance requirements, the need for flexible power distribution between axles and wheels is more urgent for multi-axle drive vehicles. The flexible distribution of power between the axles can make full use of the adhesion of the road surface and improve the acceleration ability; the power distribution between the wheels can realize the directional distribution of the torque between the wheels in addition to anti-skid and get out of trouble, improve the yaw acceleration of the vehicle, and improve the cornering process maneuverability.

[0003] Mos...

Examples

Embodiment Construction

[0025] A hybrid electric drive system for a multi-axle wheeled vehicle, which includes a mechanical drive section and an electric drive section;

[0026] In the mechanical drive section: the engine 1 and the gearbox 3 are in the front, located on the right side of the front of the car, the engine 1 and the gearbox 3 are arranged longitudinally, and there is an elastic coupling 2 in between; the gearbox 3 is connected to the transfer case 4 after the transfer case. The box 4 divides the power and distributes the power to the shaft through the drive axle;

[0027] In the electric drive section: the wheel drive motor 8 is combined with the second-speed gearbox 7 to drive the shaft, the wheel drive motor 8 is connected to the power management system 21, and the power management system 21 is respectively connected to the power battery pack 22 and the gearbox 3. , the gearbox 3 provides power to the power management system 21, and the power management system 21 transmits and control...