Tandem hybrid drive system and tractor using the same

Abstract

The invention relates to a tandem type hybrid power driving system and a tractor with the tandem type hybrid power driving system. The tandem type hybrid power driving system comprises an engine, an electric generator, a galvanic coupling device and an electromotor and further comprises a first transfer case and a second transfer case, wherein the first transfer case is provided with a main input shaft, a first output shaft and a second output shaft and used for selectively transmitting the torque of the main input shaft to the first output shaft or the second output shaft, the second transfer case is provided with a first input shaft, a second input shaft and a main output shaft and used for selectively transmitting the torque of the first input shaft or the torque of the second input shaft to the main output shaft, the main input shaft is in drive connection with an output shaft of the engine, the first output shaft is in drive connection with an input shaft of the electric generator, the second output shaft is in drive connection with the second input shaft of the second transfer case, and the first input shaft of the second transfer case is in drive connection with an output shaft of the electromotor. The tandem type hybrid power driving system has two independent transmission routes, and the two transmission routes can be freely switched.

Description

technical field [0001] The invention relates to a serial hybrid drive system and a tractor using the drive system. Background technique [0002] Energy saving and environmental protection are two important themes in the field of industrial technology in my country and the world today, and vehicles are directly related to energy saving and environmental protection. The technology of using electric drive vehicles has become the direction of research and development in the industry. Power vehicles are the mainstream technology, generally divided into three types: series, parallel and hybrid. [0003] Series hybrid drive system For example, a Chinese patent with application number 200710129897.8 and authorized announcement date of 2011.05.18 discloses a drive method and system for a series hybrid tractor, including an engine, an electric drive system, a corresponding detection device, and a control system. device, the electric drive system includes a generator, an electric coupl...

AI Technical Summary

Problems solved by technology

However, since the torque output by the engine must be converted into electrical energy through the generator, and then the electrical energy is converted into kinetic energy output through the electric coupling device and the electric motor, there is only one power transmission line. Therefore, when the electric drive system fails, the entire drive system will not be able to work, low reliability

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