CN2871978Y - Stepless speed adjuster - Google Patents
Stepless speed adjuster Download PDFInfo
- Publication number
- CN2871978Y CN2871978Y CN 200520010021 CN200520010021U CN2871978Y CN 2871978 Y CN2871978 Y CN 2871978Y CN 200520010021 CN200520010021 CN 200520010021 CN 200520010021 U CN200520010021 U CN 200520010021U CN 2871978 Y CN2871978 Y CN 2871978Y
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- gear
- input
- output
- shaft
- speed governing
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Abstract
The utility model discloses a constantly variable transmission, comprising a gearbox body, an output shaft, an input shaft, a speed-changing mechanism, a speed -regulating mechanism and a speed control mechanism, wherein, the speed-changing mechanism and the speed-regulating mechanism are controlled connectedly by a planetary gearing device. The model can effectively automatically balance the torque between engine output power and driving resistance of a motor vehicle or other road motor vehicles by variation of RPM and thereby reduce the loss of power. The utility model is of simple structure, low cost of manufacture and being easy for repair. With the provision on a motor vehicle, the vehicle can have excellent self adaptability on the basis of easy operation and traffic ability of the vehicle can be maintained. Further on, vehicle safety is thereby improved and the period of usage of the engine and the power train is extended.
Description
Technical field
The utility model relates to stepless speed variator.
Background technique
The stepless speed variator that uses on the existing automobile has only self-shifting gear box, it is made up of in conjunction with Automatic Shift Control mechanism gear gearbox fluid torque converter and planetary gears, its advantage is that manipulation is light, improved the passing ability of automobile, have good adaptive performance, can improve traffic safety, prolong the working life of motor and transmission system.But the useful horsepower consume to motor in the using process of motor of the stepless speed variator of above-mentioned prior art is bigger, and, complex structure, manufacture cost is higher, also is not easy to maintenance.
The model utility content
The purpose of this utility model is: a kind of stepless speed variator is provided, solves the power dissipation problem that above-mentioned prior art exists, and simplified structure keeps in repair with being convenient to.
In order to achieve the above object, stepless speed variator of the present utility model comprises casing, input shaft, output shaft, gear, speed regulating mechanism and control speed mechanism, wherein:
Gear is a dual planetary gear mechanism, between the input shaft and output shaft on the same shaft axis, wherein importing sun gear is fixed on the input shaft, the output sun gear is fixed on the output shaft, input, supporting respectively on the output planetary gear carrier and importing, the output planetary gear shaft, be connected with input planet gear and input reverse gear on the input planet gear axle, be connected with output reverse gear and output planetary gear on the output planetary gear shaft, intermediate gear is fixed on the intermediate gear shaft, the center tooth wheel carrier is supported on input, on the output planetary gear shaft, intermediate gear shaft is supported on the center tooth wheel carrier, the input planet gear frame that is sleeved on the input shaft combines as a whole with the output planetary gear carrier that is sleeved on the output shaft, and it is affixed with the planetary pinion joining shaft that is sleeved on the input shaft, be positioned at input, input between the output planetary gear carrier, output sun gear respectively with input, output planetary gear engagement, oppositely input, output gear is meshing with each other by intermediate gear.
Speed regulating mechanism is a planetary gears, be positioned at above-mentioned gear rear end, wherein be connected with speed governing output sun gear and centrifugal deflection machine on the input shaft, also be set with the speed governing input, output planetary gear carrier and speed governing input sun gear and clutch, speed governing output planetary gear carrier and speed governing input planet gear frame combine as a whole, also affixed with the planetary carrier joining shaft, the speed governing input, output planetary gear carrier upper support has the speed governing planet pin, be connected with the speed governing input on the speed governing planet pin, the output planetary gear, be positioned at the speed governing input, speed governing output sun gear between the output planetary gear carrier and the engagement of speed governing planetary pinion, be positioned at the speed governing input sun gear and the engagement of speed governing input planet gear of speed governing input planet gear frame rear end, and contact centrifugal deflection machine and clutch separation activity with gravity slide ball side direction on being assemblied in centrifugal deflection machine.
Control fast mechanism and be positioned at the gear front end, wherein speed change output planetary gear carrier connects with one-way element.
Output shaft, planetary carrier joining shaft and input shaft are installed on casing, also are connected with one-way element.
Be provided with balancer weight wheel and balancer weight wheel shaft in speed governing input, the output planetary braces.
Working principle of the present utility model is: according to the principle of planetary gears, two planetary gears are connect, form two planetary carriers, it is dual planetary gear mechanism, two planet pins of subtend configuration, the built-in a pair of reverse gear of planetary carrier makes two planet pins be applied to torsion one positive one anti-phase mutual counteracting on the planetary carrier, so just only needs a very little torque just can control its rotating speed.The output planetary gear is through oppositely rotating in the same way with the input sun gear, and when planetary carrier also rotated in the same way with the input sun gear, then the output planetary gear was just around the outer ring turnover of output sun gear.Relative velocity between control planetary carrier and output planetary gear just can make the output speed ratio change between 0-1, reaches infinite variable speed purpose.
The utility model has the advantages that: as can be seen from technological scheme, the planetary gears speed change that stepless speed variator is made up of a cover dual planetary gear frame, and add that speed governing structure machine that other speed governing component are formed cooperatively interacts and the automatic transmission that constitutes with another set of planetary gears, it can effectively pass through their torsion of change in rotational speed autobalance between engine output and automobile or other road vehicle running resistance, thereby high-power moment of torsion can be effectively transmitted in grand low-power consume; Because principal organ's planetary pinion manufacturer's standardization, it is simple in structure, low cost of manufacture, be convenient to maintenance, be configured in and also have good adaptive performance when can keep handling on light, as the to improve automobile passability basis on the automobile, then improve the Security of automobile, prolong the working life of motor and power train.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the structural representation sketch of stepless speed variator of the present utility model.
Embodiment
Referring to accompanying drawing, stepless speed variator of the present utility model comprises casing 29, input shaft 1, output shaft 14 and gear, speed regulating mechanism and control speed mechanism.
Gear is a dual planetary gear mechanism, be located between the input shaft 1 and output shaft 14 on the same shaft axis, wherein importing sun gear 2 is fixed on the input shaft 1, output sun gear 12 is fixed on the output shaft 14, input, output planetary gear carrier 6, supporting respectively on 13 and importing, output planetary gear shaft 4,9, be connected with input planet gear 3 and input reverse gear 5 on the input planet gear axle 4, be connected with output reverse gear 8 and output planetary gear 11 on the output planetary gear shaft 9, intermediate gear 7 is fixed on the intermediate gear shaft 30, center tooth wheel carrier 10 is supported on input, output planetary gear shaft 4, on 9, intermediate gear shaft 30 is supported on the center tooth wheel carrier 10, being sleeved on input planet gear frame 6 on the input shaft 1 and the output planetary gear carrier 13 that is sleeved on the output shaft 14 combines as a whole, and it is affixed with the planetary carrier joining shaft 15 that is sleeved on the input shaft 1, be positioned at input, output planetary gear carrier 6, input between 13, output sun gear 2,12 respectively with input, output planetary gear 3,11 engagements, oppositely input, output gear 5,8 are meshing with each other by intermediate gear 7.
2) speed regulating mechanism is a planetary gears, be positioned at above-mentioned gear rear end, wherein be connected with speed governing output sun gear 23 and centrifugal deflection machine 16 on the input shaft 1, also be set with the speed governing input, output planetary gear carrier 22,24 and speed governing input sun gear 18 and clutch 27, speed governing output planetary gear carrier 24 combines as a whole with speed governing input planet gear frame 22, also affixed with planetary carrier joining shaft 15, the speed governing input, output planetary gear carrier 22,24 upper supports have speed governing planet pin 20, be connected with the speed governing input on the speed governing planet pin 20, output planetary gear 19,21, be positioned at the speed governing input, output planetary gear carrier 22, speed governing output sun gear 18 between 24 and 21 engagements of speed governing output planetary gear, be positioned at the speed governing input sun gear 18 and 19 engagements of speed governing input planet gear of speed governing input planet gear frame 22 rear ends, and contact centrifugal deflection machine 16 and clutch 27 separate activities with gravity slide ball 17 side direction on being assemblied in centrifugal deflection machine 16.
3) the fast mechanism of control is positioned at the gear front end, and wherein speed change output planetary gear carrier 13 connects with one-way element 28.
4) output shaft 14, planetary carrier joining shaft 15 and input shaft 1 are installed on casing 29, also are connected with one-way element 28.
Working procedure: boosting velocity procedure: when motor inputs to this speed changer with torque, input planet gear frame 6 and output planetary gear carrier 13 with maximum (top) speed follow the input sun gear rotate in the same way, because of output planetary gear 11 by input, output reverse gear 5,8 oppositely, then rotate in the same way with input sun gear 2, so 11 of output planetary gears center on the 12 outer rings turnover of output sun gear, not transmitting torque.Along with engine speed raises, speed regulating mechanism is started working, under the effect of gravity slide ball 17 on the centrifugal deflection machine 16 at centrifugal gravity, the pressure that passes to speed governing input sun gear 18 strengthens gradually, when reaching certain value, this power concerted effort speed governing planet pin 20 passes to speed governing input, output planetary gear carrier 22,24, forces its rotating speed to reduce, the rotating speed of input, output planetary gear carrier 6,13 also decreases simultaneously, and output speed raises gradually.By one-way element 28 lockings, this moment, output speed was the highest when the rotating speed of input, output planetary gear carrier 6,13 is reduced to 0.Under the control of speed regulating mechanism, this stepless speed variator can be automatically with the rotating ratio output of engine torque from 0 to 1, and in like manner moderating process is then reverse with boosting velocity procedure.
In addition, the also available electromagnetic force of speed regulating mechanism adds the speed regulating mechanism of the alternative present embodiment of electric control device of micro computer composition, will make structure compact more.
Claims (2)
1. a stepless speed variator comprises casing (29), input shaft (1), output shaft (14) and gear, and speed regulating mechanism and the fast mechanism of control is characterized in that:
1) gear is a dual planetary gear mechanism, be located between the input shaft (1) and output shaft (14) on the same shaft axis, wherein importing sun gear (2) is fixed on the input shaft (1), output sun gear (12) is fixed on the output shaft (14), input, output planetary gear carrier (6,13) supporting respectively on and importing, output planetary gear shaft (4,9), be connected with input planet gear (3) and input reverse gear (5) on the input planet gear axle (4), be connected with output reverse gear (8) and output planetary gear (11) on the output planetary gear shaft (9), intermediate gear (7) is fixed on the intermediate gear shaft (30), center tooth wheel carrier (10) is supported on input, output planetary gear shaft (4,9) on, intermediate gear shaft (30) is supported on the center tooth wheel carrier (10), the output planetary gear carrier (13) that is sleeved on the input planet gear frame (6) on the input shaft (1) and is sleeved on the output shaft (14) combines as a whole, and it is affixed with the planetary carrier joining shaft (15) that is sleeved on the input shaft (1), be positioned at input, output planetary gear carrier (6,13) input between, output sun gear (2,12) respectively with input, output planetary gear (3,11) engagement, oppositely input, output gear (5,8) be meshing with each other by intermediate gear (7);
2) speed regulating mechanism is a planetary gears, be positioned at above-mentioned gear rear end, wherein be connected with speed governing output sun gear (23) and centrifugal deflection machine (16) on the input shaft (1), also be set with the speed governing input, output planetary gear carrier (22,24) and speed governing input sun gear (18) and clutch (27), speed governing output planetary gear carrier (24) combines as a whole with speed governing input planet gear frame (22), also affixed with planetary carrier joining shaft (15), the speed governing input, output planetary gear carrier (22,24) upper support has speed governing planet pin (20), be connected with the speed governing input on the speed governing planet pin (20), output planetary gear (19,21), be positioned at the speed governing input, output planetary gear carrier (22,24) speed governing output sun gear (18) between and speed governing output planetary gear (21) engagement, be positioned at the speed governing input sun gear (18) and speed governing input planet gear (19) engagement of speed governing input planet gear frame (22) rear end, and contact centrifugal deflection machine (16) and clutch (27) separate activities with gravity slide ball (17) side direction on being assemblied in centrifugal deflection machine (16);
3) the fast mechanism of control is positioned at the gear front end, and wherein speed change output planetary gear carrier (13) connects with one-way element (28);
4) output shaft (14), planetary carrier joining shaft (15) and input shaft (1) are installed on casing (29), also are connected with one-way element (28).
2, stepless speed variator according to claim 1 is characterized in that: be provided with balancer weight wheel (26) and balancer weight wheel shaft (25) in speed governing output, the input planet gear frame (22,24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520010021 CN2871978Y (en) | 2005-09-27 | 2005-09-27 | Stepless speed adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520010021 CN2871978Y (en) | 2005-09-27 | 2005-09-27 | Stepless speed adjuster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2871978Y true CN2871978Y (en) | 2007-02-21 |
Family
ID=37740326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520010021 Expired - Fee Related CN2871978Y (en) | 2005-09-27 | 2005-09-27 | Stepless speed adjuster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2871978Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470704A (en) * | 2013-08-19 | 2013-12-25 | 梁健 | Eight-gear automatic gearbox |
| CN104728369A (en) * | 2015-03-20 | 2015-06-24 | 杨晋杰 | Balanced type infinitely variable transmission |
-
2005
- 2005-09-27 CN CN 200520010021 patent/CN2871978Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470704A (en) * | 2013-08-19 | 2013-12-25 | 梁健 | Eight-gear automatic gearbox |
| CN104728369A (en) * | 2015-03-20 | 2015-06-24 | 杨晋杰 | Balanced type infinitely variable transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070221 Termination date: 20091027 |