Electric vehicle centrifugal continuously variable transmission device
A continuously variable transmission device and technology for electric vehicles, applied in transmission devices, gear transmission devices, belts/chains/gears, etc., can solve problems such as inconvenient operation, and achieve low cost, high efficiency, and simple structure
Active Publication Date: 2016-05-04
河北御捷马专用车制造有限公司
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Problems solved by technology
[0002] In the existing electric vehicle transmission, the single-stage deceleration structure is used, the maximum speed and the maximum climbing ability are limited, while the multi-stage manual deceleration structure of the existing car is used, due to the two-way rotation of the motor and the one-way rotation of the internal combustion engine There are differences in characteristics, and it brings inconvenience to the operation; it has a certain impact on the development of electric vehicles
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[0009] In the figure, the driving shaft (1) is coaxially connected with the clutch driving disc (3) and the sun gear (12), and the clutch driving disc (3) is equipped with centrifugal friction plates (4); the driven shaft (13) is inlaid with planetary The gear shaft (11) forms a planetary carrier; the planetary gear (10) is installed on the planetary gear shaft (11) and the outer ring gear (9) forms a planetary reduction. The outer ring gear (9) is mechanically connected coaxially with the backstop driven shaft (8); the backstop casing (7) is fixed on the metal shell (2); the backstop driving shaft (6) is connected to the clutch driven The discs (5) are coaxially mechanically connected. When the driving shaft (1) rotates at low speed, the centrifugal friction plate (4) does not contact the clutch driven disc (5), and the driving shaft (1) only drives the sun gear (12) to rotate, and the direction force of the outer ring gear (9) is The backstop stops, and the torque drives th...
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Provided is a centrifugal-type infinitely variable speed device of an electric vehicle. In a metal shell body, the centrifugal-type infinitely variable speed device of the electric vehicle is composed of three parts including a centrifugal-type clutch, a backstop device and a planetary reducer, wherein a driving disc of the clutch and a sun-shaped wheel gear are both mechanically connected with an input shaft in a homocentric mode. A planet carrier is an output shaft. When the input shaft rotates driven by a motor, the rotation speed of the output shaft is lower than the closing rotation speed of the clutch and the clutch does not work. When the sun-shaped wheel gear rotates and an outer gear ring is stopped and locked by the backstop device, a reduction ratio of the input shaft and the output shaft is an actual ratio value of planetary speed reduction. When the rotation speed of a prime motor increases and reaches a clutch opening rotation speed, a driven disc of the clutch is dragged, and torque of the driven disc is transmitted to the outer gear ring through the backstop device so that the outer gear ring can rotate. When the outer gear ring accelerates gradually from a static state to a state that the outer gear ring synchronizes with the sun-shaped wheel gear, the sun-shaped wheel gear, the outer gear ring and the planet carrier rotates synchronously and a speed ratio is 1. The aim of automatic infinitely speed reduction is achieved.
Description
Technical field: [0001] The invention relates to a continuously variable transmission device for a vehicle, in particular to a centrifugal continuously variable transmission device for an electric vehicle. Background technique: [0002] In the existing electric vehicle transmission, the single-stage deceleration structure is used, the maximum speed and the maximum climbing ability are limited, while the multi-stage manual deceleration structure of the existing car is used, due to the two-way rotation of the motor and the one-way rotation of the internal combustion engine There are differences in characteristics, which will bring inconvenience to the operation; it will have a certain impact on the development of electric vehicles. Invention content: [0003] In order to overcome the deficiencies of the existing electric vehicle deceleration structure. The invention provides a centrifugal continuously variable transmission device, which not only solves the problem of mutual...
Claims
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IPC IPC(8): F16H3/76
Inventor 李明涛吴临生
Owner 河北御捷马专用车制造有限公司