CN205534054U - Compound gear type circle planetary gear derailleur - Google Patents
Compound gear type circle planetary gear derailleur Download PDFInfo
- Publication number
- CN205534054U CN205534054U CN201620363519.0U CN201620363519U CN205534054U CN 205534054 U CN205534054 U CN 205534054U CN 201620363519 U CN201620363519 U CN 201620363519U CN 205534054 U CN205534054 U CN 205534054U
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- gear
- planetary
- external toothing
- ring
- planet
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Abstract
The utility model discloses a compound gear type circle planetary gear derailleur, including one set at least monomer planetary gear speed change gear, monomer planetary gear speed change gear includes sun gear, first planet ring gear and first outer ring gear, still includes first crescent moon support and second crescent moon support, first planet ring gear suit is in the sun gear outside, and the inboard tooth of first planet ring gear meshes with the sun gear is eccentric, first outer ring gear and sun gear coaxial arrangement, just first outer ring gear internal tooth and the meshing of first planet ring gear external tooth, first crescent moon support both ends are used for the distance of fixed sun gear and first outer ring gear, and second crescent moon support is used for the distance between fixed first planet ring gear and the first outer ring gear, the utility model discloses at first in order to design minimum torque transmission, when transmission line spare can not satisfy, torque transmission was enlargied to the self -adaptation step by step, until the biggest torque transmission of design.
Description
Technical field
This utility model relates to automatic transmission technical field, particularly relates to a kind of combined type gear ring planetary transmission.
Background technology
Planet-gear speed reducer is also calledPlanetary reducer,Servo deceleration machine.?ReductorThe plurality of advantages such as in family, planetary reducer is little with its volume, and transmission efficiency is high, and reduction range is wide, and precision is high, and be widely used inServomotor、Motor、Direct current generatorEtc. in drive system.Its effect is exactly on the premise of ensureing precision drive, is mainly used to reduce rotating speed and increases moment of torsion and reduce the rotary inertia ratio of load/motor.
The structure of existing planet-gear speed reducer has a lot of version such as Simpson, Ravigneaux, cycloidal pin, 2K-H, is widely used in aviation, steamer, automobile, reductor, and in various mechanisms, speed change becomes and turns round, shortcoming can not adaptive strain distortion speed, volume is bigger.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of combined type gear ring planetary transmission, it is possible to realizes adaptive rate and becomes torsion, speed-change process power failure-free, reduces volume.
For solving above-mentioned technical problem, technical solution adopted in the utility model is: a kind of combined type gear ring planetary transmission, including the most a set of monomer planetary speed variator, monomer planetary speed variator includes sun gear, first planet gear ring and the first external toothing, also include the first crescent moon support and the second crescent moon support, described first planet gear ring is sleeved on outside sun gear, first planet gear ring inner tines engages with sun gear bias, described first external toothing is co-axially mounted with sun gear, and first external toothing internal tooth engage with first planet gear ring external tooth, described first crescent moon support two ends are for fixing sun gear and the distance of the first external toothing, second crescent moon support is for fixing the distance between first planet gear ring and the first external toothing.
Described sun gear top engagement first planet wheels, first planet wheels engage with sun gear and first planet gear ring respectively, first planet wheels are arranged on the first crescent moon mid-stent, the second planetary gear set is engaged in first planet gear ring bottom, second planetary gear set also engages with inside the first external toothing, and the second planetary gear set is arranged on the second crescent moon mid-stent.
Described monomer planetary speed variator includes two sets, two set monomer planetary speed variator radial compounds, second set monomer planetary speed variator is positioned at outside first set monomer planetary speed variator, second set monomer planetary speed variator includes the second planetary ring gear, second external toothing, March dental branches frame and dental branches frame in April, first external toothing is as the sun gear of the second set monomer planetary speed variator, second planetary ring gear lower inside engages in the most eccentric with the external tooth of the first external toothing, second external toothing and the first external toothing are coaxially disposed, second external toothing inside top engages with the second planetary ring gear top outer, March, dental branches frame was for fixing the distance between the first external toothing and the second planetary ring gear, April, dental branches frame was for fixing the distance between the second planetary ring gear and the second external toothing.
Between inside described first external toothing top and the second planetary ring gear, third planet wheels are set, third planet wheels are fixedly mounted on tooth mid-stent in March, installing fourth planet wheels between described second planetary ring gear bottom and the second external toothing, fourth planet wheels are fixedly mounted on tooth mid-stent in April.
Described monomer epicyclic reduction gear unit includes two sets, two set monomer epicyclic reduction gear unit axial composite-rotor；First external toothing one end of described two set monomer epicyclic reduction gear units are equipped with teeth, and two set the first external toothings are provided with one end of teeth and are mounted opposite and teeth engage each other.
Sun gear inputs, planetary ring gear can not rotation not speed change and rotation gear in external toothing, first-selection not rotation such as watch hands rotary drive because not rotation stops its position fixing ability rotation gear.External toothing inputs, and planetary ring gear can be transmitted in sun gear with rotation speed change and not rotation not speed change, first-selected rotation gear, because rotation gear stops, and could whole components one corotation not rotation not gears.
Use and have the beneficial effects that produced by technique scheme: this utility model transmission process is first to design minimal torque transmission, when transmission condition can not meet, self adaptation torque multiplication transmission step by step, until the peak torque transmission of design, its adaptive rate process has only to transmission condition, in time without speed-change process, without performing gear, speed-change process power failure-free.
Accompanying drawing explanation
Fig. 1 is monomer epicyclic reduction gear unit structural representation；
Fig. 2 is the planetary transmission structural representation of radial compound；
Wherein: 1, the first external toothing；2, first planet gear ring；3, sun gear；4, first planet wheels；5, the second planetary gear set；6, the second planetary ring gear；7, the second external toothing；8, third planet wheels；9, fourth planet wheels；10, the first crescent moon support；11, the second crescent moon support；12, dental branches frame in March；13, dental branches frame in April.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Elaborate a lot of detail in the following description so that fully understanding this utility model, but this utility model can also use other to be different from alternate manner described here to be implemented, those skilled in the art can do similar popularization in the case of this utility model intension, and therefore this utility model is not limited by following public specific embodiment.
Embodiment 1, as shown in Figure 1, the utility model discloses a kind of combined type gear ring planetary transmission, including the most a set of monomer planetary speed variator, monomer planetary speed variator includes sun gear, first planet gear ring 2 and the first external toothing 1, also include the first crescent moon support and the second crescent moon support, first planet gear ring 2 is sleeved on outside sun gear 3, first planet gear ring 2 inner tines engages with sun gear 3 bias, first external toothing 1 is co-axially mounted with sun gear 3, and first external toothing 1 internal tooth engage with first planet gear ring 2 external tooth, first crescent moon support two ends are for fixing sun gear 3 and the distance of the first external toothing 1, second crescent moon support is for fixing the distance between first planet gear ring 2 and the first external toothing 1.
Sun gear 3 top engagement first planet wheels 4, first planet wheels 4 engage with sun gear 3 and first planet gear ring 2 respectively, first planet wheels 4 are arranged on the first crescent moon mid-stent, the second planetary gear set 5 is engaged in first planet gear ring 2 bottom, second planetary gear set 5 also engages with inside the first external toothing 2, and the second planetary gear set 5 is arranged on the second crescent moon mid-stent.
nullFirst crescent moon support and the second crescent moon support all include a pair，A pair first crescent moon supports are arranged on first planet gear ring、First external toothing、First planet wheels outer，Interfix，Inside and outside have tooth the internal tooth of first planet gear ring embrace sun gear engagement，External tooth withstands the first external toothing engagement，Sun gear diameter adds the difference of sun gear radius and the first external toothing radius and obtains first planet diameter ring gear，Two groups of the most multiple rows of separately each rows of planetary gearsets，Often row two connection two ends engage each other，Space hour can be done gearless or remove，Planetary gear set only serves the effect that auxiliary supports in this utility model，Its meaning existed is that multiple tooth transmission increases load，Triangle planetary gear set is regarded two rows as and is connected，Two pairs of crescent moon support two ends gear ring to be interfixed distances，Intermediate stationary rows star-wheel group distance，Its contact surface can use the mode of rolling bearing，One can be installed in centre，Gear ring、Crescent moon support and gear ring triad are integrated mode，First planet gear ring can obtain crescent moon support area with sun gear and the first external toothing difference in areas.
nullEmbodiment 2(sees accompanying drawing 2)，Monomer planetary speed variator includes two sets，Two set monomer planetary speed variator radial compounds，Second set monomer planetary speed variator is positioned at outside first set monomer planetary speed variator，Second set monomer planetary speed variator includes the second planetary ring gear 6、Second external toothing 7、March dental branches frame and dental branches frame in April，First external toothing 1 is as the sun gear of the second set monomer planetary speed variator，Second planetary ring gear 6 lower inside engages in the most eccentric with the external tooth of the first external toothing 1，Second external toothing 7 is coaxially disposed with the first external toothing 1，Second external toothing 7 inside top engages with the second planetary ring gear 6 top outer，March, dental branches frame was for fixing the distance between the first external toothing 1 and the second planetary ring gear 6，April, dental branches frame was for fixing the distance between the second planetary ring gear 6 and the second external toothing 7.
Between inside first external toothing 1 top and the second planetary ring gear 6, third planet wheels 8 are set, third planet wheels 8 are fixedly mounted on tooth mid-stent in March, installing fourth planet wheels 9 between second planetary ring gear 6 bottom and the second external toothing 7, fourth planet wheels 9 are fixedly mounted on tooth mid-stent in April.
Complex method is divided into radial compound and axial composite-rotor, radial compound structure sees accompanying drawing 2, concrete structure includes the second planetary ring gear, the second external toothing, third planet wheels are installed between the first external toothing and the second planetary ring gear, install a pair March dental branches frame 12, between the second planetary ring gear and the second external toothing install fourth planet wheels, installs a pair April dental branches frame, radial compound increase practicality multi-speed gear teeth ratio.
Embodiment 3, monomer epicyclic reduction gear unit includes two sets, two set monomer epicyclic reduction gear unit axial composite-rotor, first external toothing 1 one end of two set monomer epicyclic reduction gear units are equipped with teeth, and two set the first external toothings 1 are provided with one end of teeth and are mounted opposite and teeth engage each other.
Composite layered structure includes the monomer monomer epicyclic reduction gear unit of the different speed change of more than two sets the most side by side, wherein sun gear, external toothing consubstantiality form composite construction the most in parallel, startup stage mutual load, self adaptation one of which speed ratio transmission after startup, other gear ratio monomer does reverse self adaptation passive rotation, but in axial composite-rotor in parallel, monomer maximum gear ratio not can exceed that minimum gear ratio one times, otherwise can mutually kill, can not only gear.
Described combined type gear ring planetary transmission be at least two set monomers and composite construction according to being axially formed composite construction, wherein in two nested structures, sun gear is connected or external toothing is connected and is mounted opposite into variator, has that strain more adaptive than input be big, constant, three kinds of states of the speed-torque that diminishes in transmission.
This utility model is compared with prior art, monomer gear ring planetary gear passes through planetary ring gear transmission, can rotation speed change with do not turn not two kinds of form transmissions of speed change, the stopping of the previous kind of drive is the condition that latter transmission realizes, this adaptive rate process power failure-free, planetary gear set and crescent moon support accessory drive, combined type gear ring planetary transmission transmission process is first to design minimal torque transmission, when transmission condition can not meet, self adaptation torque multiplication transmission step by step, until the peak torque transmission of design, its adaptive rate process has only to transmission condition, time without speed-change process, without performing gear, speed-change process power failure-free.
Claims (5)
1. combined type gear ring planetary transmission, it is characterized in that: include the most a set of monomer planetary speed variator, monomer planetary speed variator includes sun gear, first planet gear ring (2) and the first external toothing (1), also include the first crescent moon support and the second crescent moon support, described first planet gear ring (2) is sleeved on sun gear (3) outside, first planet gear ring (2) inner tines engages with sun gear (3) bias, described first external toothing (1) is co-axially mounted with sun gear (3), and first external toothing (1) internal tooth engage with first planet gear ring (2) external tooth, described first crescent moon support two ends are used for the distance fixing sun gear (3) with the first external toothing (1), second crescent moon support is used for fixing the distance between first planet gear ring (2) and the first external toothing (1).
Combined type gear ring planetary transmission the most according to claim 1, it is characterized in that: described sun gear (3) top engagement first planet wheels (4), first planet wheels (4) engage with sun gear (3) and first planet gear ring (2) respectively, first planet wheels (4) are arranged on the first crescent moon mid-stent, the second planetary gear set (5) is engaged in first planet gear ring (2) bottom, second planetary gear set (5) also engages with the first external toothing (2) inner side, and the second planetary gear set (5) is arranged on the second crescent moon mid-stent.
nullCombined type gear ring planetary transmission the most according to claim 1，It is characterized in that: described monomer planetary speed variator includes two sets，Two set monomer planetary speed variator radial compounds，Second set monomer planetary speed variator is positioned at outside first set monomer planetary speed variator，Second set monomer planetary speed variator includes the second planetary ring gear (6)、Second external toothing (7)、March dental branches frame and dental branches frame in April，First external toothing (1) is as the sun gear of the second set monomer planetary speed variator，Second planetary ring gear (6) lower inside engages in the most eccentric with the external tooth of the first external toothing (1)，Second external toothing (7) is coaxially disposed with the first external toothing (1)，Second external toothing (7) inside top engages with the second planetary ring gear (6) top outer，March, dental branches frame was used for fixing the distance between the first external toothing (1) and the second planetary ring gear (6)，April, dental branches frame was used for fixing the distance between the second planetary ring gear (6) and the second external toothing (7).
Combined type gear ring planetary transmission the most according to claim 3, it is characterized in that: between described first external toothing (1) top and the second planetary ring gear (6) inner side, third planet wheels (8) are set, third planet wheels (8) are fixedly mounted on tooth mid-stent in March, installing fourth planet wheels (9) between described second planetary ring gear (6) bottom and the second external toothing (7), fourth planet wheels (9) are fixedly mounted on tooth mid-stent in April.
Combined type gear ring planetary transmission the most according to claim 1, it is characterised in that: described monomer epicyclic reduction gear unit includes two sets, two set monomer epicyclic reduction gear unit axial composite-rotor；The first external toothing (1) one end of described two set monomer epicyclic reduction gear units are equipped with teeth, and two sets the first external toothing (1) are provided with one end of teeth and are mounted opposite and teeth engage each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620363519.0U CN205534054U (en) | 2016-04-27 | 2016-04-27 | Compound gear type circle planetary gear derailleur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620363519.0U CN205534054U (en) | 2016-04-27 | 2016-04-27 | Compound gear type circle planetary gear derailleur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205534054U true CN205534054U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620363519.0U Expired - Fee Related CN205534054U (en) | 2016-04-27 | 2016-04-27 | Compound gear type circle planetary gear derailleur |
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| Country | Link |
|---|---|
| CN (1) | CN205534054U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805243A (en) * | 2016-04-27 | 2016-07-27 | 曹琦雄 | Combined type gear ring and planetary gear transmission |
| CN108757856A (en) * | 2018-07-27 | 2018-11-06 | 中冶华天工程技术有限公司 | Multistage Eccentric Gear-drive speed change gear |
-
2016
- 2016-04-27 CN CN201620363519.0U patent/CN205534054U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805243A (en) * | 2016-04-27 | 2016-07-27 | 曹琦雄 | Combined type gear ring and planetary gear transmission |
| CN108757856A (en) * | 2018-07-27 | 2018-11-06 | 中冶华天工程技术有限公司 | Multistage Eccentric Gear-drive speed change gear |
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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: 20160831 Termination date: 20180427 |
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| CF01 | Termination of patent right due to non-payment of annual fee |