CN202520877U - Motor gearbox - Google Patents
Motor gearbox Download PDFInfo
- Publication number
- CN202520877U CN202520877U CN2012202035849U CN201220203584U CN202520877U CN 202520877 U CN202520877 U CN 202520877U CN 2012202035849 U CN2012202035849 U CN 2012202035849U CN 201220203584 U CN201220203584 U CN 201220203584U CN 202520877 U CN202520877 U CN 202520877U
- Authority
- CN
- China
- Prior art keywords
- planetary gear
- motor
- pivoted frame
- gear
- end cap
- 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 provides a motor gearbox which comprises an inner gear shell body and an end cover; the inner gear shell body and the end cover are closed to form an inner cavity; the inner cavity internally comprises a first planetary gear system, a second planetary gear system and a third planetary gear system; the first planetary gear system comprises a motor gear, a first planetary gear group and a first central rotary frame; the second planetary gear system comprises a second planetary gear group and a second central rotary frame; the third planetary gear system comprises a third planetary gear group and an output rotary frame; a second sun wheel and a third sun wheel are respectively arranged on the first central rotary frame and the second central rotary frame; the motor gear is meshed with the first planetary gear group; the second sun wheel is meshed with the second planetary gear group; the third sun wheel is meshed with the third planetary gear group; and the first planetary gear group, the second planetary gear group and the third planetary gear group respectively drive the first central rotary frame, the second central rotary frame and the output rotary frame through gear pins.
Description
Technical field
The utility model relates to a kind of motor gearbox.
Background technique
Micromachine needs the mate gear reducing gear usually, to reach the reduction motor speed, increases the purpose of torque.Simultaneously, in order to reduce the space or to be easy to carry, the motor gearbox that disposes with micromachine needs miniature as much as possible or miniaturization.Planetary gear reducing mechanism is compared with other reducing gears of same velocity ratio, has that volume is little, in light weight, characteristics such as compact structure and noise are low, is particularly suitable for the reduction gears mechanism as micromachine.Yet the planetary gear reducing mechanism during motor gearbox of the prior art is logical can not guarantee microminiaturized and high transmission performance demands usually simultaneously.
Summary of the invention
The purpose of the utility model is to overcome the defective of existing technology, and a kind of motor gearbox that has through the multiple-stage planetary gear train of optimized distribution is provided.
For realizing above-mentioned purpose; The utility model adopts a kind of like this motor gearbox; It comprises internal tooth housing and end cap; Described internal tooth housing and the sealing of described end cap form an inner chamber; Comprise first planetary gear train, second planetary gear train and the third line star wheel series in the described inner chamber, described first planetary gear train comprises motor gear, first planetary gear set and the first central gear pivoted frame, and described second planetary gear train comprises second planetary gear train and the second central gear pivoted frame; Described the third line star wheel series comprises the third line star wheel series and output wheel pivoted frame; Be respectively equipped with second sun gear and the 3rd sun gear on described first central gear pivoted frame and the described second central gear pivoted frame, described motor gear and the engagement of first planetary gear set, described second sun gear and the engagement of described second planetary gear set; Described the 3rd sun gear and the engagement of described the third line star-wheel group, described first planetary gear set, second planetary gear set and the third line star-wheel group drive the first central gear pivoted frame, the second central gear pivoted frame and output wheel pivoted frame through gear pin respectively.
Especially; The diapire of described internal tooth housing is extended with countersink to described inner chamber; Described output wheel pivoted frame has output revolving shaft; From the seat hole of described internal tooth housing, stretch out behind described output revolving shaft cover pad, the clutch shaft bearing, be provided with second bearing in the described countersink, described second bearing passes pad and spacing with shaft block ring.
Especially, be respectively equipped with packing ring between described end cap and described first planetary gear set, the described first central gear pivoted frame and described second planetary gear set, the described second central gear pivoted frame and the described the third line star-wheel group.
Especially, described internal tooth housing is provided with the axial bore position vertically, and screw passes described axial bore position and described end cap is fixed.
Especially; Also be provided with the motor mounting hole on the described end cap; Described motor gear is provided with the machine shaft fixed groove, and described motor gearbox is through described motor mounting hole and motor fixed installation, and described machine shaft fixed groove and fixing is stretched in the rotating shaft of described motor.
Through adopting above structure; By the motor gear in first planetary pinion as primary drive gear; Optimized distribution through multistage velocity ratio; The final output wheel pivoted frame that drives in the third line star train of gearings, the utility model have that volume is little, in light weight, gear range is big, efficient is high and the characteristics of stable working concurrently.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment motor gearbox.
Among the figure: 1, end cap; 2, machine shaft fixed groove; 3, second planetary gear set; 4, the second central gear pivoted frame; 5, the third line star-wheel group; 6, output wheel pivoted frame; 7, clutch shaft bearing; 8, shaft block ring; 10, internal tooth housing; 11, packing ring; 12, gear pin; 14, motor gear; 15, second bearing; 16, the first central gear pivoted frame; 17, first planetary gear set; 18, output revolving shaft; 19, motor mounting hole; 20, screw.
Embodiment
As shown in Figure 1; A kind of motor gearbox; It comprises internal tooth housing 10 and end cap 1, and 1 sealing forms an inner chamber to internal tooth housing 10 with end cap, comprises first planetary gear train, second planetary gear train and the third line star wheel series in the inner chamber; First planetary gear train comprises motor gear 14, first planetary gear set 17 and the first central gear pivoted frame 16; Second planetary gear train comprises second planetary gear set 3 and the second central gear pivoted frame 4, and the third line star wheel series comprises on the third line star-wheel group 5 and output wheel pivoted frame 6, the first central gear pivoted frames 16 and the second central gear pivoted frame 4 and is respectively equipped with second sun gear and the 3rd sun gear; Motor gear 14 and 17 engagements of first planetary gear set; Second sun gear and the engagement of second planetary gear set 3, the 3rd sun gear and 5 engagements of the third line star-wheel group, first planetary gear set 17, second planetary gear set 3 and the third line star-wheel group 5 are respectively through the gear pin 12 drivings first central gear pivoted frame 16, the second central gear pivoted frame 4 and output wheel pivoted frame 6.
The diapire of internal tooth housing 10 is extended with countersink to inner chamber; Output wheel pivoted frame 6 has output revolving shaft 18; Stretch out from the seat hole of internal tooth housing 10 output revolving shaft 18 cover pads, clutch shaft bearing 7 backs, is provided with second bearing, 15, the second bearings 15 in the countersink and passes pad and spacing with shaft block ring 8.
Be respectively equipped with packing ring 11 between the end cap 1 and first planetary gear set 17, the first central gear pivoted frame 16 and second planetary gear set 3, the second central gear pivoted frame 4 and the third line star-wheel group 5.
Also be provided with motor mounting hole 19 on the end cap 1, motor gear 14 is provided with machine shaft fixed groove 2, and motor gearbox is through motor mounting hole 19 and motor fixed installation, and machine shaft fixed groove 2 and fixing is stretched in the rotating shaft of motor.
Claims (6)
1. motor gearbox; It is characterized in that: it comprises internal tooth housing and end cap; Described internal tooth housing and the sealing of described end cap form an inner chamber; Comprise first planetary gear train, second planetary gear train and the third line star wheel series in the described inner chamber; Described first planetary gear train comprises motor gear, first planetary gear set and the first central gear pivoted frame; Described second planetary gear train comprises second planetary gear train and the second central gear pivoted frame, and described the third line star wheel series comprises the third line star wheel series and output wheel pivoted frame, is respectively equipped with second sun gear and the 3rd sun gear on described first central gear pivoted frame and the described second central gear pivoted frame; Described motor gear and the engagement of first planetary gear set; Described second sun gear and the engagement of described second planetary gear set, described the 3rd sun gear and the engagement of described the third line star-wheel group, described first planetary gear set, second planetary gear set and the third line star-wheel group drive the first central gear pivoted frame, the second central gear pivoted frame and output wheel pivoted frame through gear pin respectively.
2. motor gearbox according to claim 1; It is characterized in that: the diapire of described internal tooth housing is extended with countersink to described inner chamber; Described output wheel pivoted frame has output revolving shaft; From the seat hole of described internal tooth housing, stretch out behind described output revolving shaft cover pad, the clutch shaft bearing, be provided with second bearing in the described countersink, described second bearing passes pad and spacing with shaft block ring.
3. motor gearbox according to claim 1 and 2 is characterized in that: be respectively equipped with packing ring between described end cap and described first planetary gear set, the described first central gear pivoted frame and described second planetary gear set, the described second central gear pivoted frame and the described the third line star-wheel group.
4. motor gearbox according to claim 1 and 2 is characterized in that: described internal tooth housing is provided with the axial bore position vertically, and screw passes described axial bore position and described end cap is fixed.
5. motor gearbox according to claim 3 is characterized in that: described internal tooth housing is provided with the axial bore position vertically, and screw passes described axial bore position and described end cap is fixed.
6. motor gearbox according to claim 1; It is characterized in that: also be provided with the motor mounting hole on the described end cap; Described motor gear is provided with the machine shaft fixed groove; Described motor gearbox is through described motor mounting hole and motor fixed installation, and described machine shaft fixed groove and fixing is stretched in the rotating shaft of described motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202035849U CN202520877U (en) | 2012-04-24 | 2012-04-24 | Motor gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202035849U CN202520877U (en) | 2012-04-24 | 2012-04-24 | Motor gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202520877U true CN202520877U (en) | 2012-11-07 |
Family
ID=47103829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202035849U Expired - Fee Related CN202520877U (en) | 2012-04-24 | 2012-04-24 | Motor gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202520877U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422812A (en) * | 2015-12-04 | 2016-03-23 | 北京华航无线电测量研究所 | Detector drive mechanism in petroleum well |
| CN109843778A (en) * | 2016-10-24 | 2019-06-04 | 英格索尔-兰德公司 | Use the dual intensity power capstan winch of two motors and single gear-box and reel |
-
2012
- 2012-04-24 CN CN2012202035849U patent/CN202520877U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422812A (en) * | 2015-12-04 | 2016-03-23 | 北京华航无线电测量研究所 | Detector drive mechanism in petroleum well |
| CN105422812B (en) * | 2015-12-04 | 2018-05-15 | 北京华航无线电测量研究所 | A kind of oil borehole geophone driving mechanism |
| CN109843778A (en) * | 2016-10-24 | 2019-06-04 | 英格索尔-兰德公司 | Use the dual intensity power capstan winch of two motors and single gear-box and reel |
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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: 20121107 Termination date: 20150424 |
|
| EXPY | Termination of patent right or utility model |