Center-driven adaptive electric drive system with reverse gear
An electric drive system, central drive technology, applied in the direction of components with teeth, transmission boxes, transmission devices, etc., can solve the problems of the speed change system not working properly, the speed change system self-locking, etc., to achieve the overall structure of the drive system. The force is balanced , the effect of ensuring reliability, improving stability and security
Active Publication Date: 2022-03-01
SOUTHWEST UNIV
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Problems solved by technology
However, in the existing transmission system, if the high-speed and low-speed transmission lines continue to follow after entering the reverse gear, since the two lines have different transmission ratios, the transmission system will be self-locked, which will cause the transmission system to malfunction. Work
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[0033]The present invention will be further described below in conjunction with embodiment and accompanying drawing.
[0034] Such as Figures 1 to 3 As shown, a centrally driven self-adaptive electric drive system with a reverse gear, its structure includes a drive shaft 1 that runs through the drive system box A, the drive shaft 1 is driven to rotate by a motor 10, and the drive shaft 1 is rotatably fitted with a second One layer of transmission sleeve 2, the first layer of transmission sleeve 2 is equipped with a second layer of transmission sleeve 3, and the rotation sleeve of the second layer of transmission sleeve 3 is equipped with a high-speed transmission sleeve 4 and a low-speed transmission sleeve 5, and a high-speed transmission sleeve 4 and a low-speed transmission sleeve. The ends of the sleeves 5 that are close to each other are all sleeved on the inner hole of the output member 6 .
[0035] The transmission shaft 1 is provided with a first deceleration mechani...
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The invention discloses a centrally driven self-adaptive electric drive system with a reverse gear. The transmission shaft is rotatably fitted with a first-layer drive sleeve, and the first-layer drive sleeve is rotatably fitted with a second-layer drive sleeve. There are high-speed transmission sleeves and low-speed transmission sleeves on the sleeve, and the ends of the high-speed transmission sleeves and low-speed transmission sleeves that are close to each other are set on the inner hole of the output part; the transmission shaft is provided between the right end position and the first layer of transmission sleeves. The first deceleration mechanism, the second layer of transmission sleeve is provided with a second deceleration mechanism between the right end position and the low-speed transmission sleeve, and the second deceleration mechanism has a built-in reverse gear; the left end position of the high-speed transmission sleeve is provided with a transition sleeve, and the transition sleeve and A second overrunning clutch is connected between the high-speed transmission sleeves, and a cam clutch mechanism is installed at the left end of the first layer of transmission sleeves to transmit the rotation of the first layer of transmission sleeves to the transition sleeve or the second layer of transmission sleeves. The electric drive system can prevent the tricycle from reversing and self-locking.
Description
technical field [0001] The invention belongs to the technical field of electric three-wheel drive, and in particular relates to a centrally driven self-adaptive electric drive system with a reverse gear. Background technique [0002] In recent years, new energy vehicles have received more and more attention. As one of the differences from traditional internal combustion engine vehicles, the drive technology of new energy vehicles such as electric tricycles can adopt in-wheel motor technology. The biggest feature of this technology is that the power unit, transmission and speed change device are all assembled in the hub of the wheel, thereby simplifying the mechanical structure of the tricycle power system. [0003] Among them, the power device usually adopts electric drive; the transmission device mostly adopts the form of gear transmission; the speed change device is also generally realized by changing the transmission ratio of the gear; In addition to automatic transmiss...
Claims
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IPC IPC(8): F16H3/10F16H63/30F16H57/02H02K7/108
CPCF16H3/10F16H63/3043F16H57/02H02K7/108F16H2063/3056F16H2057/02086
Inventor 薛荣生张引航陈俊杰王靖陈同浩谭志康邓天仪邓云帆梁品权颜昌权
Owner SOUTHWEST UNIV