CN1070995A - Multi speed ratio small gear runout gearbox - Google Patents
Multi speed ratio small gear runout gearbox Download PDFInfo
- Publication number
- CN1070995A CN1070995A CN 92110952 CN92110952A CN1070995A CN 1070995 A CN1070995 A CN 1070995A CN 92110952 CN92110952 CN 92110952 CN 92110952 A CN92110952 A CN 92110952A CN 1070995 A CN1070995 A CN 1070995A
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- orifice plate
- gear
- lower velocity
- driving hole
- shaft
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Abstract
Speed changer of the present invention comprises at least one high speed shaft and at least one lower velocity shaft; Be installed at least two excentric sleeves on each high speed shaft; Be installed in rotation on the transmission orifice plate on each excentric sleeve, each transmission orifice plate has the driving hole that at least one has internal gear; On lower velocity shaft, install with corresponding internal gear separately by few tooth difference theory of engagement engagement external gear, said external gear is installed on the lower velocity shaft by clutch, and the velocity ratio between its corresponding external gear of internal gear on each transmission orifice plate is inequality.The present invention has that volume is little, and bearing capacity and gear ratio are big, and the life-span is long, easily the advantage of making.
Description
The present invention relates to a kind of transmission device, particularly relate to a kind of speed changer with a plurality of available velocity ratios by few tooth difference theory of engagement work.
The existing kind that develops by the speed changer (as the disclosed speed changer of CN85106692.5A) of few tooth difference transmission is many day by day, but all be an output shaft that has only a kind of velocity ratio, if will realize two kinds of multiple gear ratio that formula is two or more, then must add transmission device in addition, the result is a complex structure, and the volume and weight of speed changer has all been strengthened, and bearing capacity may not be big.
The purpose of this invention is to provide a kind of speed changer with multiple velocity ratio by few tooth difference theory of engagement work.
The object of the present invention is achieved like this: a kind of multi speed ratio small gear runout gearbox comprises at least one high speed shaft and at least one lower velocity shaft; Be installed at least two excentric sleeves on said each high speed shaft; Be installed in rotation on the transmission orifice plate on said each excentric sleeve, each transmission orifice plate has the driving hole that at least one has internal gear (or gear ring); Being installed on the lower velocity shaft by clutch by the said external gear of few tooth difference theory of engagement engagement external gear with corresponding internal gear separately of installing on the lower velocity shaft, the velocity ratio between its corresponding external gear of internal gear on each transmission orifice plate is inequality.
The present invention has also that volume is little, bearing capacity is big, an advantage of in light weight, long service life, simple in structure, easy manufacturing except that the general characteristic with gear change mechanism with small teeth difference, interchangeability is strong, and its topmost advantage is to have multiple gear ratio.
Following structure accompanying drawing is described in detail working principle of the present invention.
Fig. 1 is an embodiment's of a speed changer of the present invention front elevational schematic.
Fig. 2 is the sectional view along Figure 1A-A hatching line.
Fig. 3 is the front elevational schematic of another embodiment of the present invention.
Fig. 4 is the plan view of Fig. 3.
Fig. 5 is the sectional view along B-B hatching line among Fig. 3.
Fig. 6 is the sectional view along C-C hatching line among Fig. 3.
Referring to Fig. 1 and 2, the high speed shaft 2 and the lower velocity shaft 13 of multi speed ratio small gear runout gearbox of the present invention are installed on the case of transmission 6 by bearing 18 respectively.On high speed shaft 2, be fixed with four excentric sleeves 1,15,16 and 17 successively.On four transmission orifice plates 3,4,5 and each transmission orifice plate of 7 two mounting holes that can be contained in rotationally respectively on the excentric sleeve excircle are arranged all.Internal gear on the transmission orifice plate 3,4,5 and 7 respectively with lower velocity shaft 13 on four external gears 14,10,12 and 8 by few tooth difference theory of engagement transmission.Low speed gear, promptly external gear 8,10,12 and 14 is that twin-direction clutch 9,11 by separately is installed on the lower velocity shaft 13.In the present embodiment, first twin-direction clutch 11 is installed between first and second external gears 12 and 10, second twin-direction clutch 9 is installed between third and fourth external gear 14 and 8.Each clutch 9,11 has three positions, promptly is adjacent two positions and neutral position of the selectable connection of two external gears.The angle of excentric sleeve is arranged and should be determined according to dynamically balanced requirement separately.
Because the velocity ratio between its corresponding external gear of internal gear on each transmission orifice plate is different, in use, for example, twin-direction clutch 9 is placed neutral gear position, twin-direction clutch 11 is engaged, at this moment with first external gear 12, because external gear 8,10 and 14 does not connect with clutch, be in free rotary state, therefore, the velocity ratio of speed changer of the present invention is the internal gear of transmission orifice plate 5 and the velocity ratio of external gear 12.By that analogy, the speed changer of present embodiment can have four kinds of speed changes (transmission) ratio.
An alternative embodiment of the invention is seen Fig. 3 to Fig. 6, and as can be seen, the high speed shaft 21 of present embodiment has two from Fig. 3 to Fig. 6, and lower velocity shaft has three, represents with label 22,23 and 24 respectively. Excentric sleeve 28,29 and 30 is installed on high speed shaft, puts at each inclined to one side moving axis and be separately installed with transmission orifice plate 25,26 and 27.Have two driving holes on each transmission orifice plate, a lower velocity shaft is set in each driving hole.On first lower velocity shaft 22, low speed gear 31 and 32 are installed, and low speed gear 33 are installed by overrunning clutch 38 by twin-direction clutch 37.On second lower velocity shaft 23, low speed gear 34 and 35 are installed by twin-direction clutch 39.On the 3rd lower velocity shaft 24, directly be fixed with low speed gear 36. Low speed gear 31 and 34 respectively with the first transmission orifice plate 25 on two driving holes in internal gear be meshed. Low speed gear 32 and 35 respectively with the second transmission orifice plate 26 on two driving holes in internal gear be meshed.Low speed gear 33 and 36 respectively with the 3rd transmission orifice plate 27 on two driving holes in internal gear be meshed.The transmission principle of present embodiment is identical with the first embodiment of the present invention with operating method, and velocity ratio can be controlled by controlled clutch as required.Whether first and second lower velocity shafts 22 and 23 need transmission, and the size of velocity ratio can be controlled by controlled clutch.
Above-mentioned two kinds of embodiments only exemplify, and can make multiple modification in not exceeding design scope of the present invention.As increase the quantity of transmission orifice plate and driving hole on the transmission orifice plate.Change the internal gear in the driving hole into ring gear.Change the setting type of clutch,, on the 3rd lower velocity shaft 34, low speed gear 36 is installed by a clutch as in a second embodiment, so all.Yet these mentioned or NM variations all are conspicuous for a person skilled in the art.
Claims (4)
1, a kind of multi speed ratio small gear runout gearbox comprises at least one high speed shaft and at least one lower velocity shaft; Be installed at least two excentric sleeves on said each high speed shaft; Be installed in rotation on the transmission orifice plate on said each excentric sleeve, each transmission orifice plate has the driving hole that at least one has internal gear (or gear ring); On lower velocity shaft, install with corresponding internal gear separately by few tooth difference theory of engagement engagement external gear, it is characterized in that, said external gear is installed on the lower velocity shaft by clutch, and the velocity ratio between its corresponding external gear of internal gear on each transmission orifice plate is inequality.
2, multi speed ratio small gear runout gearbox according to claim 1 is characterized in that said excentric sleeve, transmission orifice plate and external gear are respectively four, and two twin-direction clutches are installed respectively between first and second and third and fourth external gear.
3, multi speed ratio small gear runout gearbox according to claim 1 is characterized in that, has two driving holes on each transmission orifice plate of said transmission orifice plate, and a lower velocity shaft is set in each driving hole.
4, multi speed ratio small gear runout gearbox according to claim 3 is characterized in that, said transmission orifice plate has three, i.e. first, second and the 3rd transmission orifice plate; On the first transmission orifice plate, have first and second driving holes; On the second transmission orifice plate, have third and fourth driving hole, on the 3rd transmission orifice plate, have the 5th and the 6th driving hole; First lower velocity shaft passes the first, the 3rd and the 5th driving hole, and second lower velocity shaft passes the second and the 4th driving hole, and the 3rd lower velocity shaft passes the 6th driving hole; On first lower velocity shaft, a two-way clutch is set between the external gear in the first and the 3rd driving hole; External gear in the 5th driving hole is installed on first lower velocity shaft by overrunning clutch; On second lower velocity shaft, be provided with one two-way between the external gear in the second and the 4th driving hole from device; External gear in the 6th driving hole directly is fixed on the 3rd lower velocity shaft.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92110952 CN1024213C (en) | 1992-09-25 | 1992-09-25 | Multi speed ratio small gear runout gearbox |
| US08/118,043 US5425683A (en) | 1992-09-25 | 1993-09-08 | Single-ring-gear planetary transmisssion unit with small difference between teeth of meshing gears |
| EP93402275A EP0589760A1 (en) | 1992-09-25 | 1993-09-17 | Single-ring-gear planetary transmission unit with small difference between teeth of meshing gears |
| KR1019930019140A KR940007402A (en) | 1992-09-25 | 1993-09-21 | Single-ring-gear planetary transmission with less difference between gear teeth of meshing gear |
| JP5234634A JPH06241290A (en) | 1992-09-25 | 1993-09-21 | Single ring gear planet transmission gear of small number of tooth difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92110952 CN1024213C (en) | 1992-09-25 | 1992-09-25 | Multi speed ratio small gear runout gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1070995A true CN1070995A (en) | 1993-04-14 |
| CN1024213C CN1024213C (en) | 1994-04-13 |
Family
ID=4945061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92110952 Expired - Fee Related CN1024213C (en) | 1992-09-25 | 1992-09-25 | Multi speed ratio small gear runout gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1024213C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101415967B (en) * | 2006-04-04 | 2014-01-08 | 戴姆勒股份公司 | Power-shift transmission for a commercial vehicle |
-
1992
- 1992-09-25 CN CN 92110952 patent/CN1024213C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101415967B (en) * | 2006-04-04 | 2014-01-08 | 戴姆勒股份公司 | Power-shift transmission for a commercial vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1024213C (en) | 1994-04-13 |
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| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
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| DD01 | Delivery of document by public notice |
Addressee: Yu Anbang Document name: Notification of Termination of Patent Right |
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| 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 |