CN202520876U - Motor gear box - Google Patents
Motor gear box Download PDFInfo
- Publication number
- CN202520876U CN202520876U CN2012202064748U CN201220206474U CN202520876U CN 202520876 U CN202520876 U CN 202520876U CN 2012202064748 U CN2012202064748 U CN 2012202064748U CN 201220206474 U CN201220206474 U CN 201220206474U CN 202520876 U CN202520876 U CN 202520876U
- Authority
- CN
- China
- Prior art keywords
- gear
- ring
- ring gear
- planetary gear
- motor
- 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
Links
- 238000012856 packing Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Retarders (AREA)
Abstract
The utility model discloses a motor gear box which comprises a first planet gear train, a second planet gear train and a third planet gear train; the first planet gear train comprises a first inner gear ring, a motor gear, a first planet gear group and a first central gear rotary frame; the second planet gear train comprises a second inner gear ring, a second planet gear group and a second central gear rotary frame; the third planet gear train comprises a third inner gear ring, a third planet gear group and an output gear rotary frame; and the first inner gear ring, the second inner gear ring and the third inner gear ring are respectively meshed with the first planet gear group, the second planet gear group and the third planet gear group and are respectively positioned by connecting and positioning pins so as to form a cylindrical body. Through adopting the structure, the first inner gear ring, the second inner gear ring and the third inner gear ring not only respectively act as ring gears of a three-level planet gear speed reduction mechanism, and meanwhile also are combined into a shell of the motor gear box, when the motor gear box is matched with other drive ratio, only a screw rod and the pins for positioning are required to be taken down, and thus the rapid change of the drive ratio can be carried out.
Description
Technical field
The utility model relates to a kind of motor gearbox.
Background technique
The prior motor gear-box generally comprises an all-in-one-piece internal tooth housing and wherein multiple-stage planetary gear train, and the base level epicyclic train generally comprises sun gear, planet wheel and the central gear pivoted frame of subordinate's epicyclic train of being driven through gear pin by planet wheel.All-in-one-piece internal tooth enclosure interior sidewall successively with multiple-stage planetary gear train in planetary gear set engagement, to realize ground no-load voltage ratio transmission in the same way from the input end to the output terminal.When motor need change velocity ratio, must change the gear in the multiple-stage planetary gear train, again it is carried out overall package again.The shortcoming of this motor gearbox is: it is not easy to the adjustment of velocity ratio, and assembling is difficulty relatively often, for the production in enormous quantities of many specifications also very unfavorable.
Summary of the invention
The purpose of the utility model is to overcome the defective of existing technology, provide a kind of simple in structure, slewing range is wide, velocity ratio is easy to adjustment, and the motor gearbox that is beneficial to production in enormous quantities.
For realizing above-mentioned purpose; The utility model adopts a kind of like this motor gearbox; It comprises first planetary gear train, second planetary gear train and the third line star wheel series; Described first planetary gear train comprises first ring gear, motor gear, first planetary gear set and the first central gear pivoted frame; Described second planetary gear train comprises second ring gear, second planetary gear set and the second central gear pivoted frame; Described the third line star wheel series comprises the 3rd ring gear, the third line star-wheel group and output wheel pivoted frame, and described first ring gear, described second ring gear, described the 3rd ring gear mesh with described first planetary gear set, described second planetary gear set, described the third line star-wheel group respectively, and described first ring gear, described second ring gear and described the 3rd ring gear form cylinder by being connected the locating stud location respectively.
Especially, the axial mounting hole and the described lower end cap that pass successively on described upper end cap, described the 3rd ring gear, described second ring gear and described first ring gear of screw rod fixed.
Especially, be respectively equipped with packing ring between described lower 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 output wheel pivoted frame has output revolving shaft; Described upper end cap is provided with through hole; Described output revolving shaft passes the clutch shaft bearing and second bearing that are embedded in the described through hole successively and from described upper end cap, extends out, and described clutch shaft bearing adopts the hole spacing with back-up ring, and described second bearing adopts shaft block ring spacing.
Especially, also be provided with the motor mounting hole on the described lower end cap, described motor gearbox is through described motor mounting hole and motor fixed installation.
Through adopting above structure; First ring gear, second ring gear and the 3rd ring gear not only constitute the ring gear of third-level planetary reduction gears mechanism respectively; Also be combined into simultaneously the housing of motor gearbox; When other velocity ratios of proportioning, only need take off screw rod and pin in order to locate, can carry out the quick conversion of velocity ratio.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment motor gearbox.
Among the figure: 1, first ring gear; 2, first planetary gear set; 3, second ring gear; 4, the 3rd ring gear, 5, connection locating stud; 6, the third line star-wheel group; 7, upper end cap; 8, output revolving shaft; 9, gear pin; 10, the second central gear pivoted frame; 11, second planetary gear set; 12, the first central gear pivoted frame; 13, packing ring; 14, lower end cap; 15, motor gear; 16, second bearing; 17, shaft block ring; 18, back-up ring is used in the hole; 19, screw rod; 20, clutch shaft bearing; 21, output wheel pivoted frame; 22, motor mounting hole.
Embodiment
As shown in Figure 1; A kind of motor gearbox; It comprises first planetary gear train, second planetary gear train and the third line star wheel series; First planetary gear train comprises first ring gear 1, motor gear 15, first planetary gear set 2 and the first central gear pivoted frame 12; Second planetary gear train comprises second ring gear 3, second planetary gear set 11 and the second central gear pivoted frame 10; The third line star wheel series comprise the 3rd ring gear 4, the third line star-wheel group 6 and output wheel pivoted frame 21, the first ring gears 1, second ring gear 3, the 3rd ring gear 4 respectively with first planetary gear set 2, second planetary gear set 11,6 engagements of the third line star-wheel group, first ring gear 1, second ring gear 3 and the 3rd ring gear 4 are located and are formed cylinder by being connected locating stud 5 respectively.
Axial mounting hole and lower end cap 14 that screw rod 19 passes on upper end cap 7, the 3rd ring gear 4, second ring gear 3 and first ring gear 1 successively are fixing.
Be respectively equipped with packing ring 13 between the lower end cap 14 and first planetary gear set 2, the first central gear pivoted frame 12 and second planetary gear set 11, the second central gear pivoted frame 10 and the third line star-wheel group 6.
Output wheel pivoted frame 21 has output revolving shaft 8; Upper end cap 7 is provided with through hole; Output revolving shaft 8 passes the clutch shaft bearing 20 and second bearing 16 that are embedded in the through hole successively and from upper end cap 7, extends out, and clutch shaft bearing 20 employing holes are spacing with back-up ring 18, and second bearing 16 adopts shaft block ring 17 spacing.
Also be provided with motor mounting hole 22 on the lower end cap 14, motor gearbox is through motor mounting hole 22 and motor fixed installation.
Claims (6)
1. motor gearbox; It is characterized in that: it comprises first planetary gear train, second planetary gear train and the third line star wheel series; Described first planetary gear train comprises first ring gear, motor gear, first planetary gear set and the first central gear pivoted frame; Described second planetary gear train comprises second ring gear, second planetary gear set and the second central gear pivoted frame; Described the third line star wheel series comprises the 3rd ring gear, the third line star-wheel group and output wheel pivoted frame; Described first ring gear, described second ring gear, described the 3rd ring gear mesh with described first planetary gear set, described second planetary gear set, described the third line star-wheel group respectively, and described first ring gear, described second ring gear and described the 3rd ring gear form cylinder by being connected the locating stud location respectively.
2. motor gearbox according to claim 1 is characterized in that: axial mounting hole and described lower end cap that screw rod passes on described upper end cap, described the 3rd ring gear, described second ring gear and described first ring gear are successively fixed.
3. motor gearbox according to claim 1 and 2 is characterized in that: be respectively equipped with packing ring between described lower 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; It is characterized in that: described output wheel pivoted frame has output revolving shaft; Described upper end cap is provided with through hole; Described output revolving shaft passes the clutch shaft bearing and second bearing that are embedded in the described through hole successively and from described upper end cap, extends out, and described clutch shaft bearing adopts the hole spacing with back-up ring, and described second bearing adopts shaft block ring spacing.
5. motor gearbox according to claim 3; It is characterized in that: described output wheel pivoted frame has output revolving shaft; Described upper end cap is provided with through hole; Described output revolving shaft passes the clutch shaft bearing and second bearing that are embedded in the described through hole successively and from described upper end cap, extends out, and described clutch shaft bearing adopts the hole spacing with back-up ring, and described second bearing adopts shaft block ring spacing.
6. motor gearbox according to claim 1 is characterized in that: also be provided with the motor mounting hole on the described lower end cap, described motor gearbox is through described motor mounting hole and motor fixed installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202064748U CN202520876U (en) | 2012-04-25 | 2012-04-25 | Motor gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202064748U CN202520876U (en) | 2012-04-25 | 2012-04-25 | Motor gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202520876U true CN202520876U (en) | 2012-11-07 |
Family
ID=47103828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202064748U Expired - Fee Related CN202520876U (en) | 2012-04-25 | 2012-04-25 | Motor gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202520876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079116A (en) * | 2014-07-21 | 2014-10-01 | 严振华 | Reduction ratio variable hub motor for electric bicycle |
| CN106899139A (en) * | 2015-12-17 | 2017-06-27 | 德昌电机(深圳)有限公司 | Gearbox and the drive mechanism using the gearbox |
-
2012
- 2012-04-25 CN CN2012202064748U patent/CN202520876U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079116A (en) * | 2014-07-21 | 2014-10-01 | 严振华 | Reduction ratio variable hub motor for electric bicycle |
| CN104079116B (en) * | 2014-07-21 | 2016-08-24 | 严振华 | The wheel hub motor of electrical salf-walking automobile-used variable deceleration ratio |
| CN106899139A (en) * | 2015-12-17 | 2017-06-27 | 德昌电机(深圳)有限公司 | Gearbox and the drive mechanism using the gearbox |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104154148A (en) | Planetary gear transmission mechanism and electronic parking brake actuator | |
| CN202140515U (en) | Three-level transmission reducer of planet gear | |
| CN202690898U (en) | Reducer for cement mixer | |
| CN102817967B (en) | Speed-changing gear device | |
| CN202520876U (en) | Motor gear box | |
| CN201496482U (en) | Cement rolled reduction gearbox | |
| CN2906207Y (en) | Two-stage double-floating planetary gear transmission mechanism | |
| CN2931935Y (en) | Speed reducing device for laundry machine | |
| CN201461894U (en) | Planetary gear transmission differential | |
| CN204597715U (en) | With the motor of reducing gear | |
| CN203670627U (en) | Step-up gear box and wind generating set | |
| CN203230796U (en) | Novel planetary mechanism of wind power gear box | |
| CN201593590U (en) | Efficient planetary transmission device | |
| CN201795002U (en) | Radial speed changing device | |
| CN205446569U (en) | Last miniature planet gear who uses of linking machine | |
| CN202520877U (en) | Motor gearbox | |
| CN202926969U (en) | High-speed planetary gear box | |
| CN205064705U (en) | Compact gear with high drive ratio | |
| CN202349144U (en) | Hydro-viscous transmission planetary speed reduction compound gear | |
| CN106594182A (en) | Compact gear transmission device having high transmission ratio | |
| CN201666338U (en) | Transmission | |
| CN204200975U (en) | A kind of frequency conversion clutch of fine module gear | |
| CN202176678U (en) | RV reducer adopting bevel gear planet reducing mechanism | |
| CN202545695U (en) | Planetary speed increaser | |
| CN202152830U (en) | Planetary reducer |
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: 20150425 |
|
| EXPY | Termination of patent right or utility model |