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Automatic speed variator

A transmission and gear technology, applied in the field of squirrel-cage planetary transmissions, can solve the problems of complicated design, processing and manufacturing of variable gears, different modules, numbers of teeth, sizes, and unfavorable standardized mass production, etc., so as to facilitate large-scale mass production. , The effect of low processing cost and low power consumption

Inactive Publication Date: 2004-06-09
申冀川
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This transmission has the following disadvantages: since the planetary gears (30, 31, 32) and (33, 34, 35) are respectively sleeved on the planetary shafts (28, 29), the centers of each group of planetary gears must be on an axis On the other hand, with the different speed ratios of each gear, the modulus, number of teeth, and size of the planetary gear, sun gear, and internal gear on each gear are different. It is very important to realize that the center of the planetary gear is on the same axis. Difficult, unless the modulus of the planetary gear is changed or the shifting gear is used, the change of the modulus and the shifting gear are very cumbersome in design and manufacturing, which is extremely unfavorable for standardized mass production, and will increase the manufacturing cost. cost

Method used

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Embodiment Construction

[0019] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0020] Such as figure 1 , 2 , 3, the present invention includes an input shaft 1, an output shaft sleeve 3 right end cover 5, a left end cover 6 and a housing 7, as well as a multi-stage gear sun gear 12, a gear planetary gear 10 and a gear internal gear 11 , a plurality of different gear sun gears 12 driven by the input shaft 1 are respectively meshed with the corresponding gear planetary gears (10) at each level, and the gear planetary gears 10 at each level are respectively engaged with the corresponding and movable gears The internal gears of each gear are meshed with each other, and an internal gear braking device is provided at the position corresponding to the internal gears of each gear. The left end of the input shaft (1) is covered with an output bushing 3 connected to the input shaft 1 through a bearing 2. The input shaft 1 and the output shaft ...

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Abstract

An automatic speed variator is disclosed. An output axle sleeve is connected via bearing to the left end of input axle. The input axle and output axle sleeve are respectively connected via bearings to the right and left end covers of casing. A squirrel-cage planetary frame connected to input axle contains sequentially multiple multi-position planetary gears. Each planetary gear is engaged with the gear at moving position and the central gear on input axle. Said planetary frame is connected to output axle directly or via proportional drive mechanism. Its advantages include simple structure, high drive efficiency, smooth drive, low power consumption, and no need of clutch and synchronized.

Description

(1) Technical field [0001] The invention relates to a device for changing the speed of power transmission, in particular to a squirrel-cage planetary transmission for changing the speed and direction of rotating power. (2) Technical background [0002] The existing transmission is generally composed of a compound transmission box structure and a synchronizer, such as a car gearbox, whose synchronizer realizes the shift function by increasing the meshing frequency between the gears, and this method of meshing is not perfect. In the second hundred, it will cause damage or even complete destruction between the gears, and it is very inconvenient for the operator to operate this type of transmission that requires both a clutch and a synchronizer, and it cannot realize automatic control of gear shifting. In CN2379343A, a kind of name is disclosed as "multi-stage planetary gear transmission", which is mainly provided with a left straight bevel gear on the input shaft, a left one pl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H3/02F16H61/00
Inventor 申冀川
Owner 申冀川