A split self-exciting retarder combined with a planetary gear mechanism
A planetary gear and split technology, applied in the field of new split self-excited retarders, can solve the problems of small braking torque of self-excited retarders, increased radial size of the structure, difficult layout of the retarders, etc. The effect of increasing output energy, increasing braking torque, and improving layout flexibility
Active Publication Date: 2019-11-26
YANGZHOU DONGYUAN AUTO PUMP TECH CO LTD
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Problems solved by technology
But these retarders all need to consume external energy, resulting in energy loss
The self-excited retarder has the function of self-generating, does not need an external power supply, and reduces energy loss, but the output braking torque of the self-excited retarder is small, which affects its commercial promotion
If the braking torque of the self-excited retarder is increased, the radial dimension of the structure will increase, which will make the arrangement of the retarder difficult.
Method used
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[0013] specific implementation
[0014] The technical solution to be invented will be described in further detail below in conjunction with the accompanying drawings.
[0015] Such as figure 1 As shown, the rotational speed output by the engine is transmitted to the transmission shaft 1 through the transmission, and the transmission shaft 1 passes through the sun gear 2 in the planetary gear structure, the sleeve in the permanent magnet 5 of the power generation device and the electromagnetic coil 7 in the retarder. The shaft sleeve, the transmission shaft 1 and the shaft sleeve are connected by bearings, the transmission shaft 1 and the planetary carrier 3 in the planetary gear structure are connected by splines, and the rotation of the transmission shaft 1 drives the rotation of the planetary carrier 3. At this time, the transmission shaft 1 The rotational speed is the same as that of the planet carrier 3 . The planet gears in the planet carrier 3 of the planet gear struct...
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The invention discloses a novel split self-excited retarder which specifically comprises a power generation device, a retarding device and a planetary gear mechanism. A stator in the power generation device and a gear ring in the planetary gear mechanism are integrated. A planetary rack in the planetary gear mechanism is connected with a drive shaft. A sun gear in the planetary gear mechanism is connected with a permanent magnet in the power generation device of the split self-excited retarder. Electric energy output by the power generation device is output to the retarding device in the self-excited retarder through a control device. A rotor outer barrel in the retarding device is connected with an input shaft. A magnet exciting coil in the retarding device is fixed to a vehicle body. When a vehicle is braked, the power generation device of the self-excited retarder outputs electric energy to be supplied to the retarding device, and the retarder generates braking torque. The novel split self-excited retarder improves driving safety of the vehicle greatly and can be applied to auxiliary braking of the vehicle.
Description
technical field [0001] The invention relates to a novel split type self-exciting retarder, which is suitable for auxiliary braking devices of commercial vehicles. Background technique [0002] On September 1, 2012, the GB7258 standard "dangerous goods transport vehicles and trucks with a total mass of more than 12 tons should be equipped with retarders or other auxiliary braking devices" stipulated in the GB7258 standard, which means that auxiliary braking devices will soon become more than 12 tons. Standard equipment for heavy trucks. More and more auxiliary braking systems are installed on medium and heavy trucks and other passenger vehicles, such as eddy current retarders, hydraulic retarders, etc. But these retarders all need to consume external energy, resulting in energy loss. The self-excited retarder has the function of self-generating, does not need an external power supply, and reduces energy loss, but the output braking torque of the self-excited retarder is sma...
Claims
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IPC IPC(8): B60L7/24
CPCB60L7/24
Inventor 刘文光郝鹏何仁李琳陈步高曹福顺高亮
Owner YANGZHOU DONGYUAN AUTO PUMP TECH CO LTD