Single-mode four-gear power-dividing hybrid power transmission device of commercial vehicle
A hybrid power and transmission technology, applied in power plants, hybrid vehicles, pneumatic power plants, etc., can solve the problems of increased volume and weight of the transmission system, large motor torque, insufficient transmission ratio range, etc. The effect of improving vehicle economy, improving transmission efficiency, and ensuring low-speed gradeability
Inactive Publication Date: 2019-05-24
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology
For commercial vehicles, the transmission ratio range provided by the single-mode power split form is not enough, and a large motor torque is required, resulting in an increase in the volume and weight of the transmission system
Method used
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[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0019] The purpose of the present invention is to provide a single-mode four-speed power-split hybrid power transmission device for commercial vehicles to solve the problems in the prior art and meet the needs of high-torque starting and wide transmission range of commercial vehicles.
[0020] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below ...
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The invention discloses a single-mode four-gear power-dividing hybrid power transmission device of a commercial vehicle. An input shaft is fixedly connected with a first planet row planet carrier. A first planet row sun wheel is fixedly connected with a rotor of an electric generator. A first planet row gear ring, a rotor of a motor and a second planet row sun wheel are successively fixedly connected. A second planet row gear ring is fixedly connected with a driving end of a first gear-shifting synchronizer. A second planet row planet carrier, a first driven end of the first gear-shifting synchronizer and a third planet row sun wheel are successively fixedly connected. A second driven end of the first gear-shifting synchronizer is fixedly connected with a box. A third planet row gear ringis fixedly connected with a driving end of a second gear-shifting synchronizer. A third planet row planet carrier, a first driven end of the second gear-shifting synchronizer and an output shaft are successively fixedly connected. A second driven end of the second gear-shifting synchronizer is fixedly connected with the box. The single-mode four-gear power-dividing hybrid power transmission deviceof the commercial vehicle is capable of meeting requirements of high torque starting and a wide transmission range of the commercial vehicle.
Description
technical field [0001] The invention relates to the technical field of power transmission mechanisms, in particular to a commercial vehicle single-mode four-speed power split hybrid power transmission device. Background technique [0002] Hybrid transmission technology is an important means of energy saving and emission reduction for automobiles, and major automobile manufacturers are actively developing it. With the increasing pressure of environmental protection, the hybrid power transmission system of commercial vehicles will receive more and more attention. [0003] At present, the hybrid power system of commercial vehicles mostly adopts the series-parallel mode, the series mode is adopted at low speed, and the parallel mode is adopted at high speed, and the series and parallel modes are switched through the clutch. However, in the series working condition, since the power used by the engine is transmitted through the generator and the electric motor, the transmission e...
Claims
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Login to View More IPC IPC(8): B60K6/365B60K6/445B60K6/547
CPCY02T10/62
Inventor 彭增雄胡纪滨魏超李学良孙钦鹏李斐然
Owner BEIJING INSTITUTE OF TECHNOLOGYGY