CN207814393U - A kind of planet gear transmission device - Google Patents
A kind of planet gear transmission device Download PDFInfo
- Publication number
- CN207814393U CN207814393U CN201721893076.7U CN201721893076U CN207814393U CN 207814393 U CN207814393 U CN 207814393U CN 201721893076 U CN201721893076 U CN 201721893076U CN 207814393 U CN207814393 U CN 207814393U
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- CN
- China
- Prior art keywords
- planetary gear
- gear
- wheel
- planetary
- transmission device
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Abstract
The utility model discloses a kind of transmission device, especially a kind of planet gear transmission device belongs to mechanical device technical field；The device includes the gear ring and solar wheeling tooth for having internal tooth, at least one set of planetary gear set for transmission is provided between the gear ring and solar wheeling tooth, the planetary gear set is fixedly installed on planetary wheel carrier, the planetary gear set includes the first planetary gear, the second planetary gear and the third line star-wheel, first planetary gear is engaged with gear ring and the second planetary gear, and the third line star-wheel is engaged with the second planetary gear and solar wheeling tooth；A kind of planet gear transmission device of the utility model solves the problems, such as conventional planetary gear transmission, transmission effect is can effectively ensure that by the design of multi-stage planetary drive and in the case that sun gear is fixed, and it can be easier to realize more to the improvement of transmission ratio, especially there is better facilitation to deceleration force amplifier, this is simple in structure, and practicability is stronger.
Description
Technical field
The utility model is related to a kind of transmission device, especially a kind of planet gear transmission device belongs to mechanical device skill
Art field.
Background technology
Planetary Gear Transmission refers to the tooth that the axis of one or more gears is turned round around the fixed axis of another gear
Wheel transmission.Planetary gear was both turned round around the axis of itself, and was turned round around fixed axis with planet carrier.
Current Planetary Gear Transmission in the case that gear ring is wheel for inputting, will be sat on especially using sun gear as fast pulley
The active force for preferably slowing down or increasing bigger, needs the gear ratio for changing gear ring and sun gear, and the measure is certain
It is ineffective often to will appear such as interim card, transmission under performance, the undesirable problem of the effect of speed change or reinforcement.
Invention content
The goal of the invention of the utility model is：In view of the above problems, it is good to provide a kind of transmission effect, structure letter
It is single, and be conducive to be driven between gear, the effective planet gear transmission device for ensureing reinforcement effect.
The technical solution adopted in the utility model is as follows：
A kind of planet gear transmission device, includes gear ring and solar wheeling tooth with internal tooth, the gear ring and solar wheeling tooth it
Between be provided at least one set of planetary gear set for transmission, which is fixedly installed on planetary wheel carrier, the planetary gear set
Including the first planetary gear, the second planetary gear and the third line star-wheel, which engages with gear ring and the second planetary gear, the
Three planetary gears are engaged with the second planetary gear and solar wheeling tooth.Being designed with conducive to planetary transmission for which, ensures to slow down
The effect of reinforcement, and the smooth of transmission is promoted, promote the effect of Gear Planet Transmission.
A kind of planet gear transmission device of the utility model, first planetary gear, the second planetary gear and the third line
The diameter of star-wheel is equal.Being designed with conducive to planetary Synchronous Transmission for the structure, ensures transmission effect.
Further, the line of first planetary gear, the second planetary gear and the third planet wheel gear center of circle is formed just
Triangle.The design method is conducive to ensure while action direction changes the effect of transmission, realizes and realizes synchronous fortune as far as possible
It is dynamic.
Further, the center of circle of first planetary gear, the third line star-wheel and solar wheeling tooth is on the same axis.The party
Formula ensures that the normal of Gear Planet Transmission is smoothly driven.
Further, the solar wheeling tooth is equal with the diameter of the first planetary gear, the second planetary gear and the third line star-wheel.
Which can effectively realize the compact of structure.
Further, the diameter of the gear ring and solar wheeling tooth ratio is 5：1.
A kind of planet gear transmission device of the utility model, the first planetary gear are additionally provided with fourth line star-wheel, and the 4th
Planetary gear is integrated with the first planetary gear and is made, which engages with gear ring, the fourth line star-wheel and the second planetary gear
Engagement, which engages with the second planetary gear and solar wheeling tooth, and the second planetary gear of fourth line star-wheel and the third line
Star-wheel diameter is equal, and circle center line connecting is in equilateral triangle.Which can effectively realize the diameter of gear ring.
A kind of planet gear transmission device of the utility model, the solar wheeling tooth are fixed tooth.
A kind of planet gear transmission device of the utility model, the planetary gear wheel group are 1-4 groups.Multigroup design is advantageous
In the equilibrium of stress.
Further, the planetary gear set is distributed for circumference array.Which further ensures that transmission is balanced.
A kind of planet gear transmission device of the utility model, first planetary gear, the second planetary gear and the third line
Star-wheel is fixedly connected on by connecting rod on planetary wheel carrier, and can be around connecting rod rotation.
In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：The one of the utility model
Kind of planet gear transmission device solves the problems, such as conventional planetary gear transmission, by multi-stage planetary drive design and
Transmission effect is can effectively ensure that in the case that sun gear is fixed, and can be easier to realize and more transmission ratio is changed
Into especially to deceleration force amplifier with better facilitation, this is simple in structure, and practicability is stronger.
Description of the drawings
Fig. 1 is the positive structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model side；
Fig. 3 is the structural schematic diagram of another embodiment of the utility model.
It is marked in figure：1- gear rings, 2- planetary wheel carriers, the first planetary gears of 3-, the second planetary gears of 4-, 5- the third lines star-wheel, 6-
Solar wheeling tooth, 7- connecting rods, 8- fourth lines star-wheel, 9- axis.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Embodiment
A kind of planet gear transmission device includes gear ring 1 and solar wheeling tooth 6 with internal tooth, is somebody's turn to do as depicted in figs. 1 and 2
At least one set of planetary gear set for transmission is provided between gear ring 1 and solar wheeling tooth 6, which is fixedly installed on planet
On wheel carrier 2, the planetary gear set include the first planetary gear 3, the second planetary gear 4 and the third line star-wheel 5, first planetary gear 3 with
Gear ring and the engagement of the second planetary gear, the third line star-wheel 5 are engaged with the second planetary gear and solar wheeling tooth 6.
In design principle based on above-mentioned specific implementation mode, as more specifical, in another specific implementation mode,
Solar wheeling tooth 6 is fixed tooth.
In present embodiment, using sun gear as fixed tooth, using gear ring as driving tooth, planetary wheel carrier is driven wheel.
In the design, using planetary gear set to realize that transmission effect of planetary gear can under the design conditions of the planetary gear set
It is designed with the gear ratio for different gear ring and solar wheeling tooth, to realize different transmission effects, and further
The smoothness that ensure that transmission, improve the efficiency of transmission.Certainly, the following embodiments and the accompanying drawings is not excluded for making as with planetary wheel carrier
For driving wheel, gear ring is designed and uses as the mode of ability driven wheel.
In order to realize more optimized design, it is certainly not limited to the embodiment, in another specific implementation mode, first
The diameter of planetary gear 3, the second planetary gear 4 and the third line star-wheel 5 is equal.Which can be effectively by one big whole row
Star-wheel is converted into the how isometrical gear teeth and is driven, and can not only maximumlly realize gear ring and solar wheeling tooth difference gear ratio
Design can more improve the smoothness of gear set transmission, to ensure to be driven effect.
In design principle based on above-mentioned specific implementation mode, in another specific implementation mode, the first planetary gear 3,
The line in the 5 gear center of circle of two planetary gears 4 and the third line star-wheel forms equilateral triangle.The design method can make three planets
Wheel situations such as stress always, ensures the effect to revolve round the sun around solar wheeling tooth from rotating speed.
In design principle based on above-mentioned specific implementation mode, in a wherein specific implementation mode, the first planet tooth 3,
The center of circle of third planet tooth 5 and solar wheeling tooth 6 is on the same axis.
Certainly, under the design of gear ratio, the design principle based on embodiment of above, in the design structure of the present embodiment
In, for more optimizing structure design, in a wherein specific implementation mode, solar wheeling tooth 6 and the first planet tooth 3, the second row
The diameter of star tooth 4 and third planet tooth 5 is equal.As more optimal design, gear ring 1 and the diameter ratio of solar wheeling tooth 6 are
5：1.
In the case that it is specific in real time, it is also different using the means of realization, in another specific implementation mode, such as Fig. 3 institutes
Show, the first planetary gear 3 is additionally provided with fourth line star-wheel 8, which is integrated with the first planetary gear is made, this first
Planetary gear 3 is engaged with gear ring, which engages with the second planetary gear 4, three planetary gear 5 and the second planetary gear and too
The positive gear teeth 6 engage, and 8 second planetary gear 4 of fourth line star-wheel and 5 diameter of the third line star-wheel are equal, and circle center line connecting is in positive three
It is angular.Need to ensure gear drive effect and to improve the diameter of gear ring to realize different transmission ratios, it is only necessary to change gear ring and
The diameter of first planetary gear.
Specifically, in above description, the internal diameter of a diameter of gear ring 1 of the gear ring 1, other diameters refer both to outer diameter.
In design principle based on above-mentioned specific implementation mode, in another specific implementation mode, planetary gear set 1-4
Group.In practical applications, situations such as not only considering stress, transmission, installation space that will also be according to whole tooth group and transmission
Effect accounts for, and therefore, planetary gear set is used to be more highly preferred to for 2 groups or 3 groups.More specifically, use 2 groups to be more excellent.
In design principle based on above-mentioned specific implementation mode, in another specific implementation mode, planetary gear set is circle
All array distributions.When for 2 groups, which is symmetrical arranged.When for 3 groups, connected using planetary gear set geometric dimension center
Line is equilateral triangle.
In design principle based on above-mentioned specific implementation mode, in another specific implementation mode, the first planetary gear 3,
Two planetary gears 4 and the third line star-wheel 5 are fixedly connected on by connecting rod 7 on planetary wheel carrier, and can be around connecting rod rotation.Specifically
, which is fixed by welding on planetary wheel carrier, and the first planetary gear 3, the second planetary gear 4 and the third line star-wheel 5 pass through
Rolling bearing is fixed on connecting rod.
More specifically, for solar wheeling tooth 6 by being fixedly connected on fixed connecting rod, planetary wheel carrier is rotatably set in fixation
On connecting rod, shaft is fixedly installed on gear ring, which drives ring gear against rotation.
In another specific implementation mode, which is integrated with axis 9 is made, which is non-rotatable
It is fixedly connected.Such as it is welded on assemble mechanism.In a wherein specific implementation mode, gear ring is rotatably filled with planetary wheel carrier
Assigned on axis 9.Further optimization, is assembled using roller bearing.More specifically, it in order to drive the ring gear against rotation, may be used
Another way is provided with the sliding tooth of coaxial line in another specific implementation mode on the gear ring, which is one with gear ring
System at.
Certainly, it is described above be fixedly connected to can be used be welded to connect.
For the design of above-mentioned specific implementation mode, by taking gear ratio as an example, in the present embodiment, planetary gear set can be considered
One planetary gear, and be for the transmission ratio formula of the device：n1+αn2-（1+α）n3=0, wherein n1Turn for solar wheeling tooth
Speed, n2For gear ring rotating speed, n3For planetary wheel carrier rotating speed, α is the gear ratio of gear ring and solar wheeling tooth.In the design, solar wheeling tooth is
Fixed tooth, therefore, rotating speed 0, therefore：n2/ n3=（1+α）/α.Based on the design concept, herein with 5：1 is single embodiment conduct
Comparison, without influencing effect of the design in other gear ratios.
In conclusion a kind of planet gear transmission device of the utility model solves asking for conventional planetary gear transmission
Topic can effectively ensure that transmission effect by the design of multi-stage planetary drive and in the case that sun gear is fixed,
And it can be easier to realize, more to the improvement of transmission ratio, especially there is better facilitation, the structure to deceleration force amplifier
Simply, practicability is stronger.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (10)
1. a kind of planet gear transmission device, it is characterised in that：It include the gear ring with internal tooth（1）And solar wheeling tooth（6）, the tooth
Circle（1）With solar wheeling tooth（6）Between be provided at least one set of planetary gear set for transmission, which is fixedly installed on row
Star wheel frame（2）On, which includes the first planetary gear（3）, the second planetary gear（4）And the third line star-wheel（5）, this first
Planetary gear（3）It is engaged with gear ring and the second planetary gear, the third line star-wheel（5）With the second planetary gear and solar wheeling tooth（6）Engagement.
2. a kind of planet gear transmission device as described in claim 1, it is characterised in that：First planetary gear（3）, second
Planetary gear（4）And the third line star-wheel（5）Diameter it is equal.
3. a kind of planet gear transmission device as claimed in claim 2, it is characterised in that：First planetary gear（3）, second
Planetary gear（4）And the third line star-wheel（5）The line in the gear center of circle forms equilateral triangle.
4. a kind of planet gear transmission device as claimed in claim 3, it is characterised in that：First planetary gear（3）, third
Planetary gear（5）And solar wheeling tooth（6）The center of circle on the same axis.
5. a kind of planet gear transmission device as claimed in claim 2, it is characterised in that：The solar wheeling tooth（6）With first
Planetary gear（3）, the second planetary gear（4）And the third line star-wheel（5）Diameter it is equal.
6. a kind of planet gear transmission device as described in claim 1, it is characterised in that：First planetary gear（3）Also set
It is equipped with fourth line star-wheel（8）, the fourth line star-wheel（8）It is integrated and is made with the first planetary gear, first planetary gear（3）With gear ring
Engagement, the fourth line star-wheel（8）With the second planetary gear（4）Engagement, three planetary gear（5）With the second planetary gear and solar wheeling tooth
（6）Engagement, and fourth line star-wheel（8）Second planetary gear（4）And the third line star-wheel（5）Diameter is equal, and circle center line connecting is in just
Triangle.
7. a kind of planet gear transmission device as described in claim 1, it is characterised in that：The solar wheeling tooth（6）For fixation
Tooth.
8. a kind of planet gear transmission device as described in claim 1, it is characterised in that：The planetary gear set is 1-4 groups.
9. a kind of planet gear transmission device as claimed in claim 8, it is characterised in that：The planetary gear set is circumference array
Distribution.
10. a kind of planet gear transmission device as described in claim 1, it is characterised in that：First planetary gear（3）,
Two planetary gears（4）And the third line star-wheel（5）Pass through connecting rod（7）It is fixedly connected on planetary wheel carrier, and can be around connecting rod rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721893076.7U CN207814393U (en) | 2017-12-29 | 2017-12-29 | A kind of planet gear transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721893076.7U CN207814393U (en) | 2017-12-29 | 2017-12-29 | A kind of planet gear transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207814393U true CN207814393U (en) | 2018-09-04 |
Family
ID=63327773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721893076.7U Expired - Fee Related CN207814393U (en) | 2017-12-29 | 2017-12-29 | A kind of planet gear transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207814393U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199708A (en) * | 2022-09-15 | 2022-10-18 | 成都飞机工业（集团）有限责任公司 | Planetary reducer structure of aircraft actuator and assembly method thereof |
| CN118224376A (en) * | 2024-05-25 | 2024-06-21 | 浙江西博思测控技术有限公司 | Valve gear box capable of being opened and closed rapidly and mounting method thereof |
-
2017
- 2017-12-29 CN CN201721893076.7U patent/CN207814393U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199708A (en) * | 2022-09-15 | 2022-10-18 | 成都飞机工业（集团）有限责任公司 | Planetary reducer structure of aircraft actuator and assembly method thereof |
| CN118224376A (en) * | 2024-05-25 | 2024-06-21 | 浙江西博思测控技术有限公司 | Valve gear box capable of being opened and closed rapidly and mounting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20201229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |