JPS5725548A - Circular profile planetary gear speed reduction device - Google Patents
Circular profile planetary gear speed reduction deviceInfo
- Publication number
- JPS5725548A JPS5725548A JP9933080A JP9933080A JPS5725548A JP S5725548 A JPS5725548 A JP S5725548A JP 9933080 A JP9933080 A JP 9933080A JP 9933080 A JP9933080 A JP 9933080A JP S5725548 A JPS5725548 A JP S5725548A
- Authority
- JP
- Japan
- Prior art keywords
- radius
- tooth profile
- internal gear
- circle
- 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.)
- Granted
Links
Landscapes
- Retarders (AREA)
Abstract
PURPOSE: To facilitate processing of an internal gear and have a smooth power transmission by making the internal gear, meshing with a circular arc profiled planet gear composed of pins and rollers, with a tooth profile identical to an arc of a circle with its center on the radius of the pitch circle smaller than the pitch circle's radius of the internal gear.
CONSTITUTION: A planet gear (p) is constituted with a train of pins 3 and rollers 2, where a roller 2 can rotate freely with a pin 3 as axis. The pitch radius (e) of the train of pins shall be set smaller than the pitch radius (b) of the planet gear. The tooth profile of sun gear 1 is identical to a parallel trocoidal curve obtained as the mating tooth profile to the circular tooth profile in circumscirbed meshing. The internal gear 4 has its center on a circle 9 with a smaller radius (d) than that of the pitch circle 7 of internal gear having a radius (c), and has an arc of a circle with such a relation between the radi as g=f+h. [Here (f) is radius of planet gear roller, and (h) is difference in the pitch circle radius between the internal gear and the arc of circle] the circular arc tooth profile of the internal gear 4 differs from the theoretical mating tooth profile in inscribed meshing with the planet gear's circular arc porfile, but is an approximated tooth profile to perform smooth power transmission by means of elastic deformation owing to load transmission from the internal gear 4 to planet gear (p) or vice versa.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9933080A JPS5725548A (en) | 1980-07-22 | 1980-07-22 | Circular profile planetary gear speed reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9933080A JPS5725548A (en) | 1980-07-22 | 1980-07-22 | Circular profile planetary gear speed reduction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5725548A true JPS5725548A (en) | 1982-02-10 |
| JPS6220415B2 JPS6220415B2 (en) | 1987-05-07 |
Family
ID=14244620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9933080A Granted JPS5725548A (en) | 1980-07-22 | 1980-07-22 | Circular profile planetary gear speed reduction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5725548A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014005941A (en) * | 2009-06-10 | 2014-01-16 | Sejin-Igb Co Ltd | Power transmission device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0332318U (en) * | 1989-08-04 | 1991-03-28 | ||
| CN1329469C (en) * | 2005-08-04 | 2007-08-01 | 上海应用技术学院 | Modified urea formaldehyde binding agent and its preparation method |
-
1980
- 1980-07-22 JP JP9933080A patent/JPS5725548A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014005941A (en) * | 2009-06-10 | 2014-01-16 | Sejin-Igb Co Ltd | Power transmission device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6220415B2 (en) | 1987-05-07 |
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