Central driving type self-adaptive electric driving system with reverse gear
An electric drive system, central drive technology, applied in the direction of components with teeth, transmission boxes, electromechanical devices, etc., can solve the problem that the speed change system cannot work normally, the speed change system is self-locking, etc., to improve the mechanical transmission efficiency and ensure reliability. The effect of the force balance of the overall structure
Active Publication Date: 2020-04-07
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 central driving type self-adaptive electric driving system with a reverse gear. A transmission shaft is rotationally sleeved with a first-layer transmission sleeve, the first-layer transmission sleeve is rotationally sleeved with a second-layer transmission sleeve, the second-layer transmission sleeve is rotationally sleeved with a high-speed transmission sleeve and a low-speed transmission sleeve, and the ends, close to each other, of the high-speed transmission sleeve and the low-speed transmission sleeve are sleeved by inner holes of an output component, a first speed reducing mechanism is arranged between the right end of the transmission shaft and the first-layer transmission sleeve, a second speed reducing mechanism is arranged between the right end of the second-layer transmission sleeve and the low-speed transmission sleeve, a gear reversing device is arranged in the second speed reducing mechanism, a transition sleeve is arranged at the left end of the high-speed transmission sleeve, a second overrunning clutch is connected between the transition sleeve and the high-speed transmission sleeve, and a cam clutch mechanism is installed at the left endof the first-layer transmission sleeve and used for transmitting rotation of the first-layer transmission sleeve to the transition sleeve or the second-layer transmission sleeve. The electric drivingsystem can play a role in preventing 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