A transmission with transfer case
A transfer case and transmission technology, which is applied to transmission parts, belts/chains/gears, control devices, etc., can solve problems such as inability to adjust torque, automatic transmissions that cannot meet operating requirements, and waste of resources, so as to improve drive performance and The effect of handling stability
Active Publication Date: 2017-03-29
贵州凯星液力传动机械有限公司
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Problems solved by technology
There are also some gearboxes that can output front and rear to realize the four-wheel drive of the vehicle. However, due to the fixed distribution of torque, it is impossible to adjust the appropriate torque according to the driving road conditions, and it does not require a large driving force on a good road. Drivers waste resources
At the same time, with the development of technology and the increasingly complex field operating environment, especially the driving characteristics and handling stability requirements of special vehicles are getting higher and higher, such as off-road driving passability, vehicle steering, directional stability and acceleration. performance, etc., general automatic transmissions cannot meet the operating requirements in specific environments
Method used
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[0025] 1. In neutral, the third brake C5 is combined under the action of the pressure oil provided by the cycloidal gear pump 6, and the P3 ring gear 9 brakes. Since the first rotating clutch C1 and the second rotating clutch C2 are disengaged, the torque output by the turbine output shaft 26 cannot be transmitted to the planetary gearbox D, and the entire gearbox has no power output.
[0026] 2. In the first gear, the first brake C3 and the fourth brake C6 are combined under the pressure oil provided by the cycloidal gear pump 6, and the intermediate shaft 25 is braked. The torque output by the turbine output shaft 26 is transmitted to the P1 sun gear 23 through the rotating clutch ring gear 24, and then transmitted to the P2 ring gear 8 through the P1 planet carrier 22, and the P2 ring gear 8 transmits the torque to the P3 gear through the P2 planet carrier 21 ring 9, and then the torque of P3 ring gear 9 is output through P3 planetary carrier 18, and P3 planetary carrier 18...
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The invention discloses a transmission with a transfer case, and belongs to the technical field of mechanical transmission. The transmission comprises a shutting and vibration damping clutch assembly, a hydraulic torque converter, a rotary clutch assembly, a planetary gearbox, a power output device, an internal cycloid gear pump and a turbine output shaft. The shutting and vibration damping clutch assembly is connected with a turbine base of the hydraulic torque converter through a shutting and vibration damping clutch. The turbine base is connected with the turbine output shaft. The turbine output shaft is connected with the planetary gearbox through the rotary clutch assembly. A pump impeller of the hydraulic torque converter is connected with the power output device and the internal cycloid gear pump. A transfer case assembly is connected to the tail end of the planetary gearbox. The transmission has the advantages that power is outputted from front and back directions of the transmission, the torque is distributed variably, the output end and the input end are not on the same axis, the driving torque can be distributed to front wheels and rear wheels reasonably, driving force of the front wheels and the rear wheels is brought into full play, and accordingly, driving performance and stability of a vehicle are improved.
Description
technical field [0001] The invention belongs to the technical field of mechanical transmission, and relates to a transmission, in particular to a transmission with a transfer case. Background technique [0002] At present, the automatic transmission used in engineering vehicles and special vehicles is generally composed of a hydraulic torque converter and a gearbox. It is characterized by coaxial transmission, which is suitable for mechanical transmission with coaxial arrangement and one-way output; and the planetary transmission system is compact in structure. The power density per unit volume is high, which is suitable for high-power machinery and machinery and vehicle transmission that require compact layout. There are also some gearboxes that can output front and rear to realize the four-wheel drive of the vehicle. However, due to the fixed distribution of torque, it is impossible to adjust the appropriate torque according to the driving road conditions, and it does not ...
Claims
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IPC IPC(8): B60K17/344F16H57/023
Inventor 饶凤李世鹏罗静马晨启丁锡勇杨汉明刘森梧张雪峰庞海通秦龚玉王辉熊模建邱文刚邓航
Owner 贵州凯星液力传动机械有限公司