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Double-power-flow gear transmission

A transmission, dual power technology, applied in the direction of components with teeth, transmission parts, belts/chains/gears, etc., can solve problems such as difficulty in meeting the grade requirements of the whole vehicle, power interruption, etc.

Inactive Publication Date: 2018-04-13
QIJIANG GEAR TRANSMISSION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to address the deficiencies of the prior art and provide a dual-power flow transmission with gears, which can solve the problems of power interruption during the power output process of traditional new energy vehicles and the difficulty in meeting the vehicle's gradeability requirements.

Method used

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Embodiment Construction

[0023] Referring to the accompanying drawings, specific embodiments of the present invention will be described in detail.

[0024] see figure 1, an embodiment of a dual-power flow transmission with gears, a dual-power flow transmission with gears, including a transmission housing, the hollow shaft front bearing 3 in the transmission housing supports the first input shaft 2, and the first input shaft 2 One end protrudes from the transmission casing, and the protruding end is used to connect with the second power device 27, and the first power device 26 can be a motor. The shaft section of the first input shaft 2 is fixedly connected to the first gear 4 of the hollow shaft and the third gear 5 of the hollow shaft in sequence. Preferably, the first gear 4 of the hollow shaft and the third gear 5 of the hollow shaft are integrally formed respectively. On the first input shaft 2, if the one-piece structure is adopted, there is no need to cut keyways or splines on the first input s...

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PUM

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Abstract

The invention relates to a double-power-flow gear transmission. The double-power-flow gear transmission comprises a transmission shell. A first input shaft is borne in the transmission shell and is connected with a second power device. The first input shaft is fixedly connected with a hollow shaft first-gear gear and a hollow shaft third-gear gear. A second input shaft penetrates the first input shaft and is connected with a first power device. The second input shaft is matched with an input shaft second-gear gear in a clearance sleeving manner. An output shaft and the second input shaft are located on the same axis. The output shaft is fixedly connected with an output shaft gear. The second input shaft is provided with a first synchronizer. The middle shaft is sleeved with a middle shaftfirst-gear gear and a middle shaft third-gear gear in a clearance manner. A middle shaft second-gear gear and a middle shaft constant mesh gear are fixedly connected. A second synchronizer is fixed tothe middle shaft. The middle shaft first-gear gear and the hollow shaft first-gear gear are engaged. The middle-shaft second-gear gear and the input shaft second-gear gear are engaged. The middle shaft third-gear gear and the hollow shaft third-gear gear are engaged. The middle shaft constant mesh gear and the output shaft gear are engaged.

Description

technical field [0001] The invention relates to a transmission, in particular to a dual-power-flow transmission with gears. Background technique [0002] With the depletion of petroleum resources and the increasing emphasis on environmental protection, new energy vehicles are widely optimistic about their application prospects and have developed rapidly due to their environmental friendliness and high energy conversion rate. At present, the powertrain of new energy vehicles on the market mainly includes two forms of motor direct drive and motor matching transmission power system. The direct drive of the motor can realize stepless speed change, and the user experience is better. However, due to the changeable working conditions of the whole vehicle, it has a wide working range. The efficiency of the direct drive motor is low, and the output torque of the direct drive motor is small, so it is difficult to meet the requirements of the gradeability of the vehicle. This type of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H57/023F16H57/021F16H61/32
CPCF16H57/021F16H57/023F16H61/32F16H2061/326
Inventor 赖玉坤汤结贵
Owner QIJIANG GEAR TRANSMISSION
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