CN2455513Y - Composite speed differential mechanism - Google Patents
Composite speed differential mechanism Download PDFInfo
- Publication number
- CN2455513Y CN2455513Y CN 00264424 CN00264424U CN2455513Y CN 2455513 Y CN2455513 Y CN 2455513Y CN 00264424 CN00264424 CN 00264424 CN 00264424 U CN00264424 U CN 00264424U CN 2455513 Y CN2455513 Y CN 2455513Y
- Authority
- CN
- China
- Prior art keywords
- gear
- planetary gear
- shaft
- output
- planet gear
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a composite differential mechanism which is composed of a normal cone gear differential mechanism and two cylinder planet gear composite mechanisms which are respectively connected with two output ends, wherein, each composite mechanism is composed of a middle gear, an input planet gear, an inner engaged gear and an output planet gear. The middle gear is engaged with the input planet gear and the output planet gear, and the input planet gear is engaged with the inner engaged gear. The utility model can fix the differential ratio of a transmission gear in a speed range of a maximum turning radius of vehicles, the torque is stably and evenly transmitted, particularly, when wheels slide, the speed difference of a left and a right wheels can be decreased, the running safety of the vehicles can be enhanced, and the tyre wear can be reduced.
Description
The utility model belongs to the differential for vehicles technical field, be specifically related to a kind of can be with the combined type diff of gear differential than the range of speed that is fixed on the maximum turn radius of vehicle.
Existing vehicle has various ways with diff, but all has some defectives separately, as, dental formula differential to the left and right wheels transmitting torque off and on, causes the inhomogeneous of load in the wheel drive, has aggravated Tyte Wear; Torsen differential design complexity, the processing request height; The differential gear with self-locking device skimming wear is bigger.And above-mentioned diff all has a common deficiency, promptly is when tyre slip, and evenly carry-over moment increases two wheel speed differences, influences the crossing ability that travels of vehicle.
The deficiency that the utility model exists at prior art, purpose is to provide a kind of combined type diff, the cylindrical planetary gear composite structure that it is formed by a plurality of gears mesh by the clutch end design at common bevel differential, with the transmission gear differential than in the range of speed that is fixed on the maximum turn radius of vehicle, especially thereby when tyre skidding, it is poor to reduce left and right sides two-wheel speed steadily, transmitting torque equably,, improve the safety of vehicle ', reduce wear on tyres.
The technical solution of the utility model is as follows:
The combined type diff is made up of common bevel differential and two cylindrical planetary gear composite structures being connected in its two mouth respectively.The cylindrical planetary gear composite structure by intermediate gear, input planet gear, internal gear, the output planetary gear is compound forms.The output shaft of finishing bevel gear cuter connects the cylindrical planetary gear frame, and counter gear shaft and compensating-gear shaft are established in cylindrical planetary gear frame both sides.Planetary wheel outer shaft sleeve dress input planet gear and output planetary gear, intermediate gear outer shaft sleeve dress intermediate gear.Intermediate gear and input planet gear and output planetary gear mesh, input planet gear and internal gear engagement, internal gear is fixed on the cone planetary gear frame, another internal gear and Formation of Axle Shaft Spline gear coupling.
Adopt the diff of said structure, have the following advantages:
1. by cylindrical planetary gear composite structure transfer torque, can reach steady, effect of uniform.
2. two wheels obtained distributing over the ground friction coefficient size direct ratio about this device can make the resulting output torque of left and right vehicle wheel two-wheeled comply with, thereby had improved the crossing ability of vehicle.
3. when vehicle one side wheel tire skids, adhesion of wheels reduces, and this design can make left and right sides two-wheel speed difference not quite with the differential of left and right wheels than in the range of speed that is fixed on the maximum turn radius of vehicle, thereby the raising running safety reduces wear on tyres.
4. simple in structure, to be convenient to make processing, productive costs is low.
Below in conjunction with drawings and Examples present technique is described further:
Fig. 1 is the utility model constructional drawing.
Embodiment: referring to Fig. 1, this diff is made of common bevel differential and two cylindrical planetary gear composite structures being connected in its two mouth respectively, the cylindrical planetary gear composite structure is by intermediate gear 9, input planet gear 8, internal gear 4,11, output planetary gear 10 compound compositions, the output shaft 3 of finishing bevel gear cuter 2 connects cylindrical planetary gear frame 5, sun gear shaft 7 and compensating-gear shaft 6 are established in cylindrical planetary gear frame 5 both sides, compensating-gear shaft 6 outer suit input planet gear 8 and output planetary gears 10, sun gear shaft 7 outer suit intermediate gears 9, intermediate gear 9 and input planet gear 8 and 10 engagements of output planetary gear, input planet gear 8 and internal gear 4 engagements, internal gear 4 is fixed on the cone planetary gear frame 1, and internal gear 11 connects with Formation of Axle Shaft Spline gear 12.
When running car, torque is leaded up to cone planetary gear frame 1 and is directly passed to internal gear 4, another road passes to counter gear shaft 7 and compensating-gear shaft 6 by finishing bevel gear cuter 2, the two-way torque is incorporated in output planetary gear 10, again by internal gear 11, torque is outputed to Formation of Axle Shaft Spline gear 12, automobile is advanced.
When automobile was being turned, it is poor that planetary gear carrier 1 and finishing bevel gear cuter 2 produce speed, and drive output planetary gear 10 fast commentaries on classics or slow-speeds, and it is fast poor that left and right sides two-wheeled is produced, and makes automobile normal running.
When a certain sidecar of automobile and traction difference and produce when skidding, by intermediate gear 9, input planet gear 8, output planetary gear 10 transmitting ratio between the internal gear 4,11 is controlled in the maximum turn radius of automobile, thereby the speed that makes the wheel of the side of skidding also is controlled in the speed of the big side in maximum turn radius angle, the opposite side wheel then advances with the speed of the little side of maximum turn radius angular rate, makes the automobile still can cruising.
Claims (1)
1. combined type diff, form by common bevel differential and two cylindrical planetary gear composite structures being connected in its two mouth respectively, it is characterized in that the cylindrical planetary gear composite structure is by intermediate gear (9), input planet gear (8), internal gear (4), (11) and output planetary gear (10) form, the output shaft (3) of finishing bevel gear cuter (2) connects cylindrical planetary gear frame (5), counter gear shaft (6) and compensating-gear shaft (7) are established in cylindrical planetary gear frame (5) both sides, outer suit input planet gear of compensating-gear shaft (7) (8) and output planetary gear (10), the outer suit intermediate gear of counter gear shaft (7) (9), intermediate gear (9) and input planet gear (8) and output planetary gear (10) engagement, input planet gear (8) and internal gear (4) engagement, internal gear (4) is fixed on the cone planetary gear frame (1), and internal gear (11) connects with Formation of Axle Shaft Spline gear (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00264424 CN2455513Y (en) | 2000-06-05 | 2000-12-05 | Composite speed differential mechanism |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00223213.8 | 2000-06-05 | ||
| CN00223213 | 2000-06-05 | ||
| CN 00264424 CN2455513Y (en) | 2000-06-05 | 2000-12-05 | Composite speed differential mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2455513Y true CN2455513Y (en) | 2001-10-24 |
Family
ID=34064168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00264424 Expired - Fee Related CN2455513Y (en) | 2000-06-05 | 2000-12-05 | Composite speed differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2455513Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101960174A (en) * | 2008-02-29 | 2011-01-26 | 卡特彼勒公司 | System for protecting a powertrain |
-
2000
- 2000-12-05 CN CN 00264424 patent/CN2455513Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101960174A (en) * | 2008-02-29 | 2011-01-26 | 卡特彼勒公司 | System for protecting a powertrain |
| CN101960174B (en) * | 2008-02-29 | 2013-04-17 | 卡特彼勒公司 | System for protecting a powertrain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |