CN203230799U - Double-speed planet gear speed-reducing mechanism - Google Patents
Double-speed planet gear speed-reducing mechanism Download PDFInfo
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- CN203230799U CN203230799U CN 201320231543 CN201320231543U CN203230799U CN 203230799 U CN203230799 U CN 203230799U CN 201320231543 CN201320231543 CN 201320231543 CN 201320231543 U CN201320231543 U CN 201320231543U CN 203230799 U CN203230799 U CN 203230799U
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- gear
- input shaft
- sun gear
- planetary
- fixing frame
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Abstract
The utility model discloses a double-speed planet gear speed-reducing mechanism which comprises a shell, a fixing frame arranged in the shell, a first planet gear, a second planet gear, a first input shaft and a second input shaft. An inner gear is arranged on the inner wall of the shell, the first planet gear and the second planet gear are rotatably connected on the fixing frame, a first sun gear and a shaft sleeve are arranged on the first input shaft, two ends of the shaft sleeve contact with the shell and the first sun gear respectively, a second sun gear is arranged on the second input shaft, the first planet gear is meshed with the first sun gear and the inner gear respectively, the second planet gear is meshed with the second sun gear and the inner gear respectively, and a friction disc is arranged at one end, close to the second input shaft, of the first input shaft. The speed reducing ratio can be freely switched according to different occasions, so that two different rotating speeds can be output without an extra speed changer.
Description
Technical field
The utility model relates to a kind of planetary gear reducing mechanism, relates in particular to a kind of double speed planetary gear reducing mechanism.
Background technique
Referring to Fig. 1, traditional planetary gear reducing mechanism comprises housing 100, fixing frame 102, input shaft 103 and output shaft (not shown), described housing 100 internal surfaces are provided with internal gear 101, described fixing frame 102 is arranged in the described housing 100, be rotatably connected to planetary pinion 104 on the described fixing frame 102, described output shaft is fixed on the described fixing frame 102, described input shaft 103 is provided with sun gear 105, and described planetary pinion 104 is meshed with described sun gear 105 and described internal gear 101 respectively.During use, sun gear rotates, and drives planetary pinion and rotates, and revolves round the sun around internal gear in the time of the planetary pinion rotation, drives fixing frame and rotates, and drives output shaft when fixing frame rotates and rotates.The planetary gear reducing mechanism of this form, the reduction speed ratio of output is all fixed, and equals internal gear calibration diameter of a circle than last sun gear calibration diameter of a circle.
And during actual the use, a lot of occasions we all need speed changer can export two kinds of different reduction speed ratio, and we must refill a gearbox outside planetary gear reduction box for this reason, and very therefore trouble is necessary to be changed.
Summary of the invention
The utility model provides the double speed planetary gear reducing mechanism at deficiency of the prior art, has two kinds of reduction speed ratio simultaneously.
For solving the problems of the technologies described above, the utility model is solved by following technical proposals: the double speed planetary gear reducing mechanism, comprise housing and fixing frame, described fixing frame is arranged in the described housing, the inwall of described housing is provided with internal gear, also comprise first planetary pinion, second planetary pinion, first input shaft and second input shaft, described first planetary pinion and described second planetary pinion are rotatably connected on the described fixing frame, described first input shaft is provided with first sun gear and axle sleeve, the two ends of described axle sleeve contact with described housing and described first sun gear respectively, described second input shaft is provided with second sun gear, described first planetary pinion is meshed with described first sun gear and described internal gear respectively, described second planetary pinion is meshed with described second sun gear and described internal gear respectively, and described first input shaft is provided with friction disk with the mutually close end of described second input shaft.During use, driven by motor first input shaft rotates, when the friction disk on first input shaft when contacting with first sun gear, first sun gear is driven rotation, at this moment reduction speed ratio of the present utility model just equals internal gear calibration diameter of a circle than the last first sun gear calibration diameter of a circle.When the friction disk on the friction disk on first input shaft and second input shaft contacted, second sun gear was driven rotation, and at this moment reduction speed ratio of the present utility model just equals internal gear calibration diameter of a circle than the last second sun gear calibration diameter of a circle.So reduction speed ratio of the present utility model can freely be switched according to different occasions, need not to be equipped with other speed changer and just can export two kinds of different rotating speeds.
In the technique scheme, preferred, described first planetary pinion and described second planetary pinion respectively have two.So relatively be beneficial to when output rotating speed steadily.
In the technique scheme, preferred, two described first planetary pinions and two described second planetary pinions all are symmetrically distributed with respect to the center of rotation of described fixing frame.
In the technique scheme, preferred, described second sun gear cooperates by keyway with described second input shaft and links to each other.
The beneficial effects of the utility model are: during use, driven by motor first input shaft rotates, when the friction disk on first input shaft when contacting with first sun gear, first sun gear is driven rotation, and at this moment reduction speed ratio of the present utility model just equals internal gear calibration diameter of a circle than the last first sun gear calibration diameter of a circle.When the friction disk on the friction disk on first input shaft and second input shaft contacted, second sun gear was driven rotation, and at this moment reduction speed ratio of the present utility model just equals internal gear calibration diameter of a circle than the last second sun gear calibration diameter of a circle.So reduction speed ratio of the present utility model can freely be switched according to different occasions, need not to be equipped with other speed changer and just can export two kinds of different rotating speeds.
Description of drawings
Fig. 1 is the schematic representation of existing input central gear.
Fig. 2 is the utility model embodiment's schematic representation.
Fig. 3 is the schematic representation of friction disk when contacting with first sun gear.
Fig. 4 is the schematic representation of two friction disks when contacting.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail: referring to Fig. 2 to Fig. 4, the double speed planetary gear reducing mechanism, comprise housing 1, fixing frame 2 and push rod 3, fixing frame 2 is arranged in the housing 1, the inwall of housing 1 is provided with internal gear 11, also comprises two first planetary pinions 41, two second planetary pinions 42, first input shaft 51 and second input shafts 52.
First planetary pinion 41 and second planetary pinion 42 are rotatably connected on the fixing frame 2, and two first planetary pinions 41 and two second planetary pinions 42 all are symmetrically distributed with respect to the center of rotation of fixing frame 2.First input shaft 51 is provided with first sun gear 31 and axle sleeve 7, and the two ends of axle sleeve 7 contact with housing 1 and first sun gear 31 respectively.Second input shaft 52 is provided with second sun gear, 32, the second sun gears 32 and links to each other by the keyway cooperation with second input shaft 52.First planetary pinion 41 is meshed with first sun gear 51 and internal gear 11 respectively, and second planetary pinion 42 is meshed with second sun gear 32 and internal gear 11 respectively, and first input shaft 51 is provided with friction disk 8 with second input shaft, 52 mutually close ends.
An output shaft 53 is also fixedly arranged on the fixing frame 2.Described output shaft 53 is coaxial with described fixing frame 2.
Referring to Fig. 3, when friction disk 8 contacts with first sun gear 31, the rotation of first input shaft 51 passes to first sun gear 31 by friction disk 8, first sun gear 31 drives first planetary pinion 41 that is meshed with it and rotates, first planetary pinion, 41 time rotationals are simultaneously around internal gear 11 revolution, this has just driven the rotation of fixing frame, and the rotation of fixing frame is by being delivered to the outside by output shaft.At this moment the reduction speed ratio of reducing gear equals internal gear calibration diameter of a circle than the last first sun gear calibration diameter of a circle.
Referring to Fig. 4, when two friction disks 8 contact, the rotation of first input shaft 51 passes to second input shaft 52 by friction disk 8, second input shaft 52 drives second sun gear and rotates, second sun gear drives second planetary pinion 42 that is meshed with it and rotates, around internal gear 11 revolution, this has just driven the rotation of fixing frame to second planetary pinion, 42 time rotationals simultaneously, and the rotation of fixing frame is by being delivered to the outside by output shaft.At this moment the reduction speed ratio of reducing gear equals internal gear calibration diameter of a circle than the last second sun gear calibration diameter of a circle.
Claims (4)
1. double speed planetary gear reducing mechanism, comprise housing (1) and fixing frame (2), described fixing frame (2) is arranged in the described housing (1), the inwall of described housing (1) is provided with internal gear (11), it is characterized in that: also comprise first planetary pinion (41), second planetary pinion (42), first input shaft (51) and second input shaft (52), described first planetary pinion (41) and described second planetary pinion (42) are rotatably connected on the described fixing frame (2), described first input shaft (51) is provided with first sun gear (31) and axle sleeve (7), the two ends of described axle sleeve (7) contact with described housing (1) and described first sun gear (31) respectively, described second input shaft (52) is provided with second sun gear (32), described first planetary pinion (41) is meshed with described first sun gear (51) and described internal gear (11) respectively, described second planetary pinion (42) is meshed with described second sun gear (32) and described internal gear (11) respectively, and described first input shaft (51) is provided with friction disk (8) with the mutually close end of described second input shaft (52).
2. double speed planetary gear reducing mechanism according to claim 1, it is characterized in that: described first planetary pinion (41) and described second planet (42) gear respectively have two.
3. double speed planetary gear reducing mechanism according to claim 1 is characterized in that: two described first planetary pinions (41) and two described second planetary pinions (42) all are symmetrically distributed with respect to the center of rotation of described fixing frame (2).
4. double speed planetary gear reducing mechanism according to claim 1 is characterized in that: described second sun gear (32) cooperates by keyway with described second input shaft (52) and links to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320231543 CN203230799U (en) | 2013-05-02 | 2013-05-02 | Double-speed planet gear speed-reducing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320231543 CN203230799U (en) | 2013-05-02 | 2013-05-02 | Double-speed planet gear speed-reducing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203230799U true CN203230799U (en) | 2013-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320231543 Expired - Fee Related CN203230799U (en) | 2013-05-02 | 2013-05-02 | Double-speed planet gear speed-reducing mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN203230799U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896028A (en) * | 2015-06-03 | 2015-09-09 | 南京康尼精密机械有限公司 | Multistage coaxial reducer gearbox |
| CN107524424A (en) * | 2017-10-10 | 2017-12-29 | 熊亮 | Pumping unit moving device |
| CN109210156A (en) * | 2017-06-29 | 2019-01-15 | 罗伯特·博世有限公司 | Planetary transmission |
| CN114233817A (en) * | 2021-11-24 | 2022-03-25 | 山西睿世达节能科技有限责任公司 | High-efficiency energy-saving powerful supercharger |
-
2013
- 2013-05-02 CN CN 201320231543 patent/CN203230799U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896028A (en) * | 2015-06-03 | 2015-09-09 | 南京康尼精密机械有限公司 | Multistage coaxial reducer gearbox |
| CN109210156A (en) * | 2017-06-29 | 2019-01-15 | 罗伯特·博世有限公司 | Planetary transmission |
| CN109210156B (en) * | 2017-06-29 | 2023-03-21 | 罗伯特·博世有限公司 | Planetary gear transmission |
| CN107524424A (en) * | 2017-10-10 | 2017-12-29 | 熊亮 | Pumping unit moving device |
| CN114233817A (en) * | 2021-11-24 | 2022-03-25 | 山西睿世达节能科技有限责任公司 | High-efficiency energy-saving powerful supercharger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20200502 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |