CN2052846U - Automobile diffirential stepless speed changer - Google Patents
Automobile diffirential stepless speed changer Download PDFInfo
- Publication number
- CN2052846U CN2052846U CN89214242U CN89214242U CN2052846U CN 2052846 U CN2052846 U CN 2052846U CN 89214242 U CN89214242 U CN 89214242U CN 89214242 U CN89214242 U CN 89214242U CN 2052846 U CN2052846 U CN 2052846U
- Authority
- CN
- China
- Prior art keywords
- gear
- speed
- clutch
- automobile
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
- F16H3/721—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with an energy dissipating device, e.g. regulating brake or fluid throttle, in order to vary speed continuously
Abstract
The utility model discloses an automobile differential stepless speed changer. The utility model comprises a differential wheel system, a one-way clutch, a bidirectional clutch, an input axis and a speed changing axis which are assembled as the finite modus. The one-way clutch, the bidirectional clutch, the input axis and the speed changing axis are controlled by the rotary speed of an engine. When the automobile runs in low speed, the rotary speed of an annular internal tooth is applicably controlled by the one-way clutch. The rotary speed of the output axis changes in a certain quantity, realizes automatically adjusting the stepless speed changing and is furthest fitted the drive ratio of the outer load. The utility model is simple in structure and convenient in control. The gears can be shifted in running without dissociating a main clutch. The utility model is stable in starting, symmetrical in speed changing, can retain the engine power and the rotary speed constant in long term and is propitious to save the fuel and prolong the life of the automobile.
Description
The utility model relates to a kind of automobile differential variable-speed case, belongs to automobile-used drive transmission device field.
Existing automobile adopts stepping formula speed changer transferring power mostly.Automobile in the process of moving, the driver is controlled clutch and control engine throttle simultaneously, and according to road surface situation hand shifting transmission frequently, attention is easily disperseed, and is unfavorable for safe driving, motor institute power also fails to make full use of.Simultaneously, because the stepping speed change, velocity transformation is not only limited but also inhomogeneous, and impulsive load is big, reduces part life, and automobilism is not steady.
The purpose of this utility model is to provide a kind of automobile-used differential variable-speed case.This speed changer can be simplified the pilot operation procedure, needn't separate the just convertible gear of main clutch in travelling.Guarantee traffic safety.Can regulate stepless change automatically during low speed driving, the automobile grade climbing performance is enhanced.
Its design is as follows:
1. principle: with the sun gear Z in the planet cyclic gear train system
1Connect with the driving shaft I; Planet wheel tie-rod H connects with the driven shaft II, establishes annular internal tooth Z
KRotating speed be n
K, then the rotating speed of axle II is:
n
2＝ (Z
1n
1+Z
Kn
K)/(Z
1+Z
K)
If the axle I is with rotation speed n
1Rotation, then the rotating speed of axle II is with n
KVariation and change:
(1). when internal gear reverses, n
K＜0, then
n
2＜ (Z
1n
1)/(Z
1+Z
K)
The special n that works as
K=-(Z
1n
1)/(Z
1+ Z
K) time, n
2=0
(2). when the internal tooth stall, n
K=0, then
n
2＝ (Z
1)/(Z
1+Z
K) n
1
(3). when internal gear and fixed star rotate synchronously, n
K=n
1, then
n
2＝n
1
System is equivalent to a stiff shaft
As seen, suitably control annular internal tooth Z
KRotating speed just can obtain required velocity ratio.
2. structure: this speed changer is combined in a certain way by differential gear train, the overrunning clutch of controlling for engine speed, dual floppy disk formula friction clutch, input shaft and a variable-speed shaft.Wherein, an end is placed on the overrunning clutch 8 by the clamping strap 11 of engine speed control, and input shaft 1 is parallel with variable-speed shaft 7.Speedup gearwheel 12, twin-direction clutch 9, linkage gear 6, differential gear train (sun gear 2, planetary pinion 3, differential tie-rod 4, ring gear 5) and final stage gear 10 are loaded on the axle 1 successively; Speedup small gear 13, overrunning clutch 8 and speed change gear 14 are loaded on the variable-speed shaft 7 successively.Gear 6 and gear 5 interlocks; Gear 10 respectively is meshing relation with gear 13 and gear 6 with gear 14 with tie-rod 4 interlocks, gear 12.The number of planetary pinion 3 is 2 to 4, and the clutch of twin-direction clutch 9 can be carried out with manual or hydraulic control.
The utility model is simple in structure, and is easy to maintenance, is convenient to carry out push-botton operation or operation automatically with automatically controlled, hydraulic control.Vehicle start is steady, and speed becomes evenly, and engine power and rotating speed can keep constant for a long time, during low speed driving, can regulate stepless change automatically, obtain the velocity ratio of optimum external load, and can save fuel oil and prolong automotive service life.
Provide an embodiment below in conjunction with accompanying drawing.
Fig. 1 the utility model simplified schematic diagram
Fig. 2 the utility model structural representation
Fig. 3 engine control clamping strap schematic representation
All part materials are similar to existing automotive transmission, and the number of planet wheel 3 is 4, and the clutch of twin-direction clutch 9 is adopted and manually carried out.The braking degree of overrunning clutch 8 is by engine speed n
1Automatically control, i.e. braking force and rotation speed n
1Be directly proportional, when engine idling operation, overrunning clutch 8 and variable-speed shaft 7 can freely rotate, and internal gear 5 also can freely reverse, and at this moment, tie-rod 4 is transferring power not; When this rotating speed increased gradually, braking force increased, and forced the rotation speed n of the decline of variable-speed shaft rotating speed, while internal gear 5
5Tend to gradually stop by counter-rotating, at (a Z
2)/(Z
5) n
1Between 0, change,, arrive (Z 0 so the rotating speed of axle 10 is risen gradually by 0 beginning
2n
1)/(Z
2+ Z
5) between change and realized automatic stepless speed change, like this, the rotating speed of axle 10 can reduce with the increase of external load, regulate its velocity ratio automatically, yet it is constant that the rotating speed of motor can keep.
When twin-direction clutch 9 combined with the left side, the rotating speed of variable-speed shaft 7 was by n
1Decision turns on the contrary with preceding attitude, and overrunning clutch 8 is in separated state, and at this moment, internal gear 5 is rotated in the forward, and n
5＜n
1So, n
10＜n
1, its velocity ratio is greater than 1; When clutch 9 combined with the right, variable-speed shaft 7 was in free driven state, and internal gear 5 rotates synchronously with axle 1, and its velocity ratio is 1.
Remaining part among the figure, withdrawing nut till 15,16 is lever, and 17 is piston, and 18 is spring, and P is the pressure that engine speed is controlled.
The various vehicle of this structure all can adopt, and can use by plural serial stage such as heavy vehicle, and motorcycle can be simplified use.
Claims (3)
1, a kind of automobile differential variable-speed case, it is characterized in that: this speed changer is mainly combined in a certain way by a differential gear train, overrunning clutch, twin-direction clutch, input shaft and the variable-speed shaft controlled for engine speed, wherein, an end is placed on the overrunning clutch 8 by the clamping strap 11 of engine speed control, input shaft 1 is parallel with variable-speed shaft 7, and speedup gearwheel 12, twin-direction clutch 9, linkage gear 6, differential gear train (sun gear 2, planetary pinion 3, differential tie-rod 4, ring gear 5) and final stage gear 10 are loaded on the axle 1 successively; Speedup small gear 13, overrunning clutch 8 and speed change gear 14 are loaded on the variable-speed shaft 7 successively, gear 6 and gear 5 interlocks; Gear 10 respectively is meshing relation with gear 13 and gear 6 with gear 14 with tie-rod 4 interlocks, gear 12.
2, according to the described speed changer of claim 1, it is characterized in that: twin-direction clutch can adopt friction-disc-clutch, and its clutch can be carried out with manual or hydraulic control.
3, according to the described speed changer of claim 1, it is characterized in that: the number of planetary pinion 3 is 2 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN89214242U CN2052846U (en) | 1989-07-17 | 1989-07-17 | Automobile diffirential stepless speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN89214242U CN2052846U (en) | 1989-07-17 | 1989-07-17 | Automobile diffirential stepless speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2052846U true CN2052846U (en) | 1990-02-14 |
Family
ID=4870065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN89214242U Withdrawn CN2052846U (en) | 1989-07-17 | 1989-07-17 | Automobile diffirential stepless speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2052846U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072341C (en) * | 1997-03-17 | 2001-10-03 | 栾益民 | Stepless gearing method and device |
| CN101063478B (en) * | 2006-04-26 | 2011-04-13 | 协和合金株式会社 | A multi-speed automatic transmission planetary gear trains |
| CN101349310B (en) * | 2008-09-01 | 2011-04-27 | 重庆大学 | Planetary type main clutch for automobile |
-
1989
- 1989-07-17 CN CN89214242U patent/CN2052846U/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072341C (en) * | 1997-03-17 | 2001-10-03 | 栾益民 | Stepless gearing method and device |
| CN101063478B (en) * | 2006-04-26 | 2011-04-13 | 协和合金株式会社 | A multi-speed automatic transmission planetary gear trains |
| CN101349310B (en) * | 2008-09-01 | 2011-04-27 | 重庆大学 | Planetary type main clutch for automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |