Variable-speed drive device of continuously variable belt transmission
A technology of continuously variable transmission and continuously variable speed, which is applied in the direction of transmission devices, transmission components, and components with teeth, etc., which can solve the problems of increasing the difficulty of manufacturing and controlling the control mechanism, increasing the cost and failure rate of the transmission, and high engine speed. Achieve the effects of reducing manufacturing and control difficulty, reducing cost and failure rate, and reducing engine speed
Inactive Publication Date: 2015-05-06
SHUNDE POLYTECHNIC
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Problems solved by technology
The single-stage transmission form makes the value of the total transmission ratio of the continuously variable transmission smaller. For example, the value of the total transmission ratio of the single-stage continuously variable transmission used in automobiles is less than 6, so that the engine speed is high when the vehicle is running at high speed, and the economy poor
In addition, the current general continuously variable transmission needs to be specially equipped with a reverse gear and a reverse control device, which increases the difficulty of manufacturing and controlling the control mechanism, and increases the cost and failure rate of the transmission.
Method used
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Embodiment Construction
[0010] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.
[0011] see figure 1 , the belt type continuously variable transmission continuously variable transmission device of the present invention adopts the combination of belt type continuously variable transmission and planetary gear mechanism to transmit power, including belt type continuously variable transmission 18, single row planetary gear mechanism 6, input shaft 5, output shaft 12, The single-row planetary gear mechanism 6 includes the sun gear 11, the planetary gear 7, the planet carrier 13 and the ring gear 14. The belt type continuously variable transmission includes a driving disc and a driven disc. The driving disc is composed of the active fixed disc 1 and the active movable disc 3. , the driven disk includes a fixed fixed disk 16 and a movable movable disk 17, and the V-belt 2 connects the driving disk and the driven disk, so that a s...
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The invention discloses a variable-speed drive of a continuously variable belt transmission. The variable-speed drive comprises the continuously variable belt transmission, a single-row planetary gear mechanism, an input shaft and an output shaft, the single-row planetary gear mechanism comprises a planetary carrier, a gear ring, sun wheels and a planet wheel, and the continuously variable belt transmission comprises a drive disc and a driven disc. The planetary carrier is connected with a drive gear through an idle wheel in a driving mode, the gear ring is connected with the driven disc of the continuously variable belt transmission, the sun wheels are connected with the output shaft, and the drive gear and the drive disc of the continuously variable belt transmission are installed on the input shaft. Through control over changes of the drive ratio of the continuously variable belt transmission by a small magnitude, large-magnitude changes of the drive ratio of the transmission are achieved, in this way, the rotating speed of an engine is low when an automobile is driven at a high speed, and economy is improved; moreover a gear reversing mechanism does not need to be independently arranged, manufacturing and controlling difficulty of a control mechanism is lowered, the cost of the transmission is lowered, and the failure rate of the transmission is decreased.
Description
technical field [0001] The invention relates to the technical field of variable speed transmission devices for automobiles, in particular to a continuously variable transmission device for a belt-type continuously variable transmission. Background technique [0002] The currently used automotive continuously variable transmission is generally in the form of single-stage transmission. The transmission belt is used to cooperate with the driving and driven wheels with variable working diameters to transmit power, which can realize the continuous change of the transmission ratio. The common continuously variable transmissions include belt type and Metal belt type two types of belt type continuously variable transmission. The single-stage transmission form makes the value of the total transmission ratio of the continuously variable transmission smaller. For example, the value of the total transmission ratio of the single-stage continuously variable transmission used in automobile...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F16H37/02
CPCF16H37/02F16H2702/00
Inventor赵良红丘利芳侯文胜张晓雷
OwnerSHUNDE POLYTECHNIC