CN104141745A - Star type herringbone gear reducer - Google Patents
Star type herringbone gear reducer Download PDFInfo
- Publication number
- CN104141745A CN104141745A CN201410365908.2A CN201410365908A CN104141745A CN 104141745 A CN104141745 A CN 104141745A CN 201410365908 A CN201410365908 A CN 201410365908A CN 104141745 A CN104141745 A CN 104141745A
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- CN
- China
- Prior art keywords
- gear
- ring
- herringbone
- ring gear
- planet carrier
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/2809—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet-wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
- F16H2001/327—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear with orbital gear sets comprising an internally toothed ring gear
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a star type herringbone gear reducer. The star type herringbone gear reducer comprises a planet carrier, a fixing ring, a sun gear, and a star gear pair formed by a planet gear and an inner gear ring, wherein the teeth of the sun gear, the teeth of the planet gear and the teeth of the inner gear ring in the star gear pair are all herringbone teeth, the sun gear is integrated, an involute spline is arranged in the sun gear, the sun gear is connected with an input shaft through the spline, the inner gear ring is formed by an upper gear ring and a lower gear ring in a combined installation mode, and the fixing gear and the inner gear ring are assembled so that torque output can be achieved. Due to the fact that the herringbone teeth are adopted, the transmission contact ratio is high, and transmission stability, the uniform load performance and the capacity for outputting torque are high; the planet gear is combined, elastic supporting of the planet gear is achieved, transmission stability of a star gear system is improved, and noise is lowered; because combined installation is adopted for the inner gear ring of the reducer and the inner gear ring is provided with the fixing ring in a matched mode, the inner gear ring torque output function is achieved. The star type herringbone gear reducer has the advantages of being simple in structure and convenient and fast to install. The star type herringbone gear reducer is suitable for engine reducers, and especially suitable for high-power engine reducers.
Description
Technical field
The present invention relates to a kind of gear drive, specifically, relate to a kind of star-like herringbone reducer.Belong to gear structure transmission field.
Background technique
Star gear train transmission is a kind of power dividing gear transmission conventional in aeroengine.Its drive path is through planet, to take turns to ring gear output from sun gear input, is to rely on a plurality of planet wheels to realize the dynamic branch transmission of train.Star gear train transmission structurally utilizes a plurality of planet wheels to share load, forms power dividing, has the advantages that volume is little, lightweight, bearing capacity is strong, reliability is high.Compare with Planetary Gear Transmission, because it all adopts fixed shaft gear train, the intensity of system, rigidity and functional reliability are all higher, and this type of belt drive is widely used in the retarder in aeroengine body.Abroad by this system applies on turbofan engine.At present, most designs are mainly for planetary reducer, and star-like Design of Speed Reducer is less.Planetary reducer and star-like retarder have identical components, but different because of fixed component, output link is also different, and both structures also have larger difference.Adopt herringbone tooth to exist again sun gear, planet wheel and ring gear that difficult problem is installed.And planet wheel adopts rigid support easily to make planet carrier occur bending and deformation, the system that affects is all carried performance.
A kind of " double helical tooth planetary gear-box " disclosed in patent of invention 201310649094.0, it adopts spacer to realize the axial adjustment of planet wheel, to a certain extent can favourable gear load balancing, but in this gear-box, planet wheel can only be done axial adjustment, can not realize elastic support, the promoting effect that gear train is all carried is limited.In addition, this gear-box is that ring gear is fixed on casing, fails to realize the circumferential synchronous location of two ring gears, also fails to realize the function of internal gear output torque.Therefore, how solve that internal gear is installed and output in, can improve again the ability of all carrying performance, stable drive performance and output torque of retarder, and can reduce vibration, reduce the problem that noise becomes current concern.
Summary of the invention
The deficiency existing for fear of prior art, overcomes its complex structure, difficult problem is installed, and the present invention proposes a kind of star-like herringbone reducer.Retarder can improve transmission stability and all carry performance and ring gear output torque ability is strong, have again simple in structure, install convenient.
The technical solution adopted for the present invention to solve the technical problems is: comprise planet carrier, retainer ring, and the star gear train that sun gear, planet wheel, ring gear form is secondary, be characterized in, the gear teeth of the sun gear in described star gear train pair, planet wheel, ring gear are herringbone tooth, in sun gear, there is involute splines, sun gear and input shaft are connected by spline, and moment of torsion output is assembled and realized to retainer ring and ring gear;
Described planet wheel is comprised of herringbone gear, web, the first pad and fixed plate, web is positioned at herringbone gear inner chamber, herringbone gear inner circumferential has spline, the circumferential uniform spline of web outside, herringbone gear and web, by spline joint, leave gap filling elastic material between spline and spline, the first pad and fixed plate are positioned at web two ends, and be connected by the first stud with web, web is connected by flat key with planet wheel shaft; Planet wheel shaft two ends be fixed on the roller bearing interference fit on planet carrier;
Described planet carrier is comprised of planet carrier base and planet carrier top board, planet carrier base and planet carrier top board are according to the circumferential uniform a plurality of circular holes in edge, axle center, the circular hole of planet carrier base and planet carrier top board has boss, planet wheel shaft coordinates and is positioned at circular hole with roller bearing, and planet carrier base and planet carrier top board are connected by bolt;
Described ring gear comprises upper ring gear, lower ring gear, there are respectively trapezoid boss and trapezoidal groove in upper ring gear and lower ring gear tool withdrawal groove one end, upper ring gear coordinates by trapezoid boss and trapezoidal groove with lower ring gear, realize circumferential and located lateral, upper ring gear and the lower ring gear the other end are along circumferential uniform a plurality of the first arc grooves, the second arc groove;
Described retainer ring comprises retainer ring, lower retainer ring, in upper retainer ring and lower retainer ring respectively along circumferentially uniform a plurality of the first arc boss, the second arc boss, and the first arc groove, the recessed secure fit of the second arc with upper ring gear and lower ring gear, lower retainer ring inner bottom part output terminal is provided with the 3rd internal spline and is connected with output shaft, and upper retainer ring and lower retainer ring one end adpting flange have respectively mounting hole to be connected by bolt.
Described planet wheel is any one of two or more structures.
Described elastic material is Ni40Cr20Co20Mo.
Beneficial effect
A kind of star-like herringbone reducer that the present invention proposes.Comprise the star gear train pair that planet carrier, retainer ring, sun gear and planet wheel and ring gear form, the tooth in the sun gear in star gear train pair, planet wheel and ring gear is herringbone tooth; Described sun gear is integrated type, has involute splines in sun gear, and sun gear is connected with input shaft by spline; Ring gear is installed by upper ring gear and lower ring gear combination; Retainer ring and ring gear assembling realize moment of torsion output; Retarder can improve transmission stability and all carry performance and ring gear output torque ability is strong, have again simple in structure, install convenient.
The star-like herringbone reducer of the present invention, adopts herringbone tooth transmission contact ratio high, and transmission stability and the ability of performance and output torque of all carrying are higher; Planet wheel adopts combined type to realize planet wheel elastic support, planet wheel elastic support star-wheel system all carries coefficient and has improved more than 50% compared with planet wheel rigid support, dynamic load factor also has to a certain degree reduction, star-like herringbone reducer has improved the transmission stability of star gear train system, has reduced noise; Retarder ring gear is installed and is furnished with retainer ring for combination, have simple in structure, install conveniently, and realize ring gear moment of torsion output function.The present invention is applicable to engine retarder, is specially adapted to high power engine retarder.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, a kind of star-like herringbone reducer of the present invention is described in further detail.
Fig. 1 is the star-like herringbone reducer schematic diagram of the present invention.
Fig. 2 is the planet carrier schematic diagram of the star-like herringbone reducer of the present invention.
Fig. 3 is planetary gear structure schematic diagram of the present invention.
Fig. 4 is planet carrier structure schematic diagram of the present invention.
Fig. 5 is internal gear of the present invention and retainer ring assembling decomposing schematic representation.
Fig. 6 is upper ring gear structural representation of the present invention.
Fig. 7 is lower ring gear structural representation of the present invention.
Fig. 8 is lower fixed ring schematic diagram of the present invention.
In figure:
1. retainer plate 7. times retainer plates 8. first internal spline 9. first external splines No. 10. boss 11. planetary gear 12. first studs 13. second internal spline 14. elastomeric material 15. flat key groove 16. first pad 17. web 18. second external splines 19. fixed head 20. planet carrier top board 21. planet carrier bases 22. No. two boss 23. bolt 24. first arc boss 25. first arc groove 26. trapezoid boss 27. second pad 28. lower ring gear 29. upper ring gear 30. trapezoidal groove 31. back-up ring 32. second arc groove 33. base plate 34. second arc boss 35. baffle plate 36. slotted eye 37. the 3rd internal spline on sun gear 2. planet wheel spindle 3. cylinder roller bearing 4. planet carrier 5. ring gear 6.
Embodiment
The present embodiment is a kind of star-like herringbone reducer.
Consult Fig. 1～Fig. 8, the star-like herringbone reducer of the present embodiment is by sun gear 1, planet wheel shaft 2, roller bearing 3, planet carrier 4, ring gear 5, upper retainer ring 6, lower retainer ring 7, the first internal spline 8, the first external splines 9, a boss 10, planet wheel 11, the first stud 12, the second internal spline 13, elastic material 14, flat key groove 15, the first pad 16, web 17, the second external splines 18, fixed plate 19, planet carrier top board 20, planet carrier base 21, No. two boss 22, bolt 23, the first arc boss 24, the first arc groove 25, trapezoid boss 26, the second pad 27, lower ring gear 28, upper ring gear 29, trapezoidal groove 30, back-up ring 31, the second arc groove 32, base plate 33, the second arc boss 34, baffle plate 35, slotted eye 36, the 3rd internal spline 37 forms.Sun gear 1, planet wheel 11, ring gear 5 form star gear train pair, the gear teeth of sun gear 1, planet wheel 11, ring gear 5 are herringbone tooth, in sun gear 1, have involute splines, sun gear 1 is fixedly connected with by spline with input shaft, and retainer ring and ring gear assembling realize moment of torsion output; Rely on a plurality of planet wheels to realize the dynamic branch transmission of train.
Sun gear 1 is input end, and inner side has the first internal spline 8 to be connected with input shaft.Planet wheel 11 is at least any of two or more structures.In the present embodiment, planet wheel 11 is five.Planet wheel 11 is comprised of gear, web 17, the first pad 16 and fixed plate 19.Gear inner side is along circumferential uniform the second internal spline 13, web 17 outer walls are along being circumferentially evenly equipped with the second external splines 18, the second internal spline 13 cooperatively interacts and is connected with two external spliness 18, between spline and spline, leave gap, in gap, be filled with elastic material 14, elastic material 14 is selected as fire-resistant high-resiliency alloy Ni40Cr20Co20Mo.Fixed plate 19 is a circle structure, and fixed plate 19 external diameters are identical with gear teeth internal diameter, and fixed plate 19 internal diameters are identical with web 17 internal diameters, and fixed plate 19 is along circumferentially having a plurality of tapped holes.The first pad 16 is circle structure, and the first pad 16 is identical with fixed plate 19 inside/outside diameter sizes, corresponding to circumferentially having the formed objects hole of similar number.Web 17 width are less than the planet wheel facewidth, and web 17 both ends of the surface are respectively along circumferentially having corresponding tapped hole.The first pad 16, fixed plate 19 are fixedly connected with by the first stud 12 with web 17 two ends, realize the axial restraint of gear and web 17, with ring gear 5 and sun gear 1 engagement process in, planet wheel 11 can automatically be adjusted contact position and realize and all to carry.Planet wheel web 17 inner sides have flat key groove 15, are connected by flat key with planet wheel shaft 2.Planet wheel shaft 2 two ends be fixed on roller bearing 3 interference fit on planet carrier 4.
Planet carrier 4 is comprised of planet carrier base 21 and planet carrier top board 20, planet carrier base 21 and planet carrier top board 20 axle center have circular hole, planet carrier base 21 and planet carrier top board 20 are according to the circumferential uniform a plurality of circular holes in edge, axle center and dovetail groove, circular hole and dovetail groove position are staggered, on the circular hole of planet carrier base 21 and planet carrier top board 20, there are a boss 10 and No. two boss 22, planet wheel shaft 2 coordinates and is positioned at circular hole with roller bearing 3, and planet carrier base 21 is fixedly connected with by bolt 23 with planet carrier top board 20; Planet carrier top board 20 is provided with the first external splines 9, for fixed carrier 4.
Ring gear is combined by upper ring gear 29 and lower ring gear 28, and upper ring gear 29 tool withdrawal groove one end are along circumferentially evenly having trapezoidal groove 30, and outermost leaves back-up ring 31, and lower ring gear 28 tool withdrawal groove one end are along being circumferentially with trapezoid boss 26, and outermost leaves annular space.Lower ring gear trapezoid boss 26 and upper ring gear trapezoidal groove 30 coordinate realizes two gear ring axially locating, and the annular space that upper ring gear back-up ring 31 reserves with lower ring gear coordinates, for located lateral.Upper ring gear 29 the other ends have along the circumferential direction uniform a plurality of the first arc groove 25, and the other end of lower ring gear 28 is provided with along the circumferential direction uniform a plurality of the second arc groove 32.
Retainer ring comprises retainer ring 6, lower retainer ring 7, upper retainer ring 6 is interior respectively along circumferential uniform a plurality of the first arc boss 24 with lower retainer ring 7, the second arc boss 34, and with first arc groove 25 of upper ring gear 29 with lower ring gear 28, the second arc groove 32 secure fit, lower retainer ring 7 inside are provided with ring baffle 35, lower retainer ring 7 inner bottom part output terminals are provided with the 3rd internal spline 37 and are connected with output shaft, upper retainer ring 6 has respectively mounting hole with lower retainer ring 7 one end adpting flanges, between upper retainer ring 6 and the adpting flange of lower retainer ring 7, there is the second pad 27 to be bolted to connection.Lower retainer ring base plate 33 is along circumferentially having a plurality of oval slotted eyes 36 for loss of weight.
Claims (3)
1. a star-like herringbone reducer, comprise planet carrier, retainer ring, and the star gear train that sun gear, planet wheel, ring gear form is secondary, it is characterized in that: the gear teeth of the sun gear in described star gear train pair, planet wheel, ring gear are herringbone tooth, in sun gear, there is involute splines, sun gear and input shaft are connected by spline, and moment of torsion output is assembled and realized to retainer ring and ring gear;
Described planet wheel is comprised of herringbone gear, web, the first pad and fixed plate, web is positioned at herringbone gear inner chamber, herringbone gear inner circumferential has spline, the circumferential uniform spline of web outside, herringbone gear and web, by spline joint, leave gap filling elastic material between spline and spline, the first pad and fixed plate are positioned at web two ends, and be connected by the first stud with web, web is connected by flat key with planet wheel shaft; Planet wheel shaft two ends be fixed on the roller bearing interference fit on planet carrier;
Described planet carrier is comprised of planet carrier base and planet carrier top board, planet carrier base and planet carrier top board are according to the circumferential uniform a plurality of circular holes in edge, axle center, the circular hole of planet carrier base and planet carrier top board has boss, planet wheel shaft coordinates and is positioned at circular hole with roller bearing, and planet carrier base and planet carrier top board are connected by bolt;
Described ring gear comprises upper ring gear, lower ring gear, there are respectively trapezoid boss and trapezoidal groove in upper ring gear and lower ring gear tool withdrawal groove one end, upper ring gear coordinates by trapezoid boss and trapezoidal groove with lower ring gear, realize circumferential and located lateral, upper ring gear and the lower ring gear the other end are along circumferential uniform a plurality of the first arc grooves, the second arc groove;
Described retainer ring comprises retainer ring, lower retainer ring, in upper retainer ring and lower retainer ring respectively along circumferentially uniform a plurality of the first arc boss, the second arc boss, and the first arc groove, the recessed secure fit of the second arc with upper ring gear and lower ring gear, lower retainer ring inner bottom part output terminal is provided with the 3rd internal spline and is connected with output shaft, and upper retainer ring and lower retainer ring one end adpting flange have respectively mounting hole to be connected by bolt.
2. star-like herringbone reducer according to claim 1, is characterized in that: any one that described planet wheel is two or more structures.
3. star-like herringbone reducer according to claim 1, is characterized in that: described elastic material is Ni40Cr20Co20Mo.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365908.2A CN104141745A (en) | 2014-07-29 | 2014-07-29 | Star type herringbone gear reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365908.2A CN104141745A (en) | 2014-07-29 | 2014-07-29 | Star type herringbone gear reducer |
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| Publication Number | Publication Date |
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| CN104141745A true CN104141745A (en) | 2014-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410365908.2A Pending CN104141745A (en) | 2014-07-29 | 2014-07-29 | Star type herringbone gear reducer |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736644A (en) * | 2016-03-22 | 2016-07-06 | 西北工业大学 | Staggered-tooth phase-adjustable planetary herringbone gear reducer |
| CN106438970A (en) * | 2016-10-18 | 2017-02-22 | 安徽省六安市朝晖机械制造有限公司 | Two-way planet gear support |
| CN106838138A (en) * | 2017-03-13 | 2017-06-13 | 西北工业大学 | A kind of star gear train decelerator with resilient support planet carrier |
| CN106969098A (en) * | 2017-05-05 | 2017-07-21 | 西北工业大学 | A kind of star-wheel is coaxial to turning deceleration device |
| CN107013676A (en) * | 2016-01-28 | 2017-08-04 | 通用电气公司 | Gearbox planetary decay spring-damper |
| CN107013675A (en) * | 2016-01-28 | 2017-08-04 | 通用电气公司 | Gearbox planetary squeeze-film damping device |
| CN107191549A (en) * | 2017-07-06 | 2017-09-22 | 深圳市华宏昊科技有限公司 | A kind of planet gear reducing mechanism and its decelerator |
| CN107339247A (en) * | 2017-08-15 | 2017-11-10 | 温岭市明华齿轮有限公司 | The Industrial fan of planetary transmission structure |
| CN107489753A (en) * | 2017-09-08 | 2017-12-19 | 于士伟 | A kind of planet carrier, epicyclic train and reduction gear |
| CN108006167A (en) * | 2017-12-31 | 2018-05-08 | 无锡凯涵科技有限公司 | A kind of intelligent robot reducer structure |
| CN108180260A (en) * | 2018-02-27 | 2018-06-19 | 徐州徐工基础工程机械有限公司 | A kind of rotary drilling rig and its power head torsion increasing device |
| CN108180270A (en) * | 2018-01-02 | 2018-06-19 | 天津工业大学 | A kind of two-output impulse generator is from vibration-reduction gear transmission system |
| CN108180281A (en) * | 2018-02-27 | 2018-06-19 | 徐州徐工基础工程机械有限公司 | A kind of split type planet carrier used in rotary digging drill power head torque structure |
| CN109838503A (en) * | 2017-11-24 | 2019-06-04 | 丰田自动车株式会社 | The manufacturing method of transmission mechanism |
| CN109854683A (en) * | 2018-12-19 | 2019-06-07 | 温州职业技术学院 | Planet carrier is connected the fan middle fan workshop ceiling fan of rate controlling with ring gear |
| CN110242711A (en) * | 2019-07-16 | 2019-09-17 | 苏州小工匠机器人有限公司 | Planetary reduction gear |
| CN110259913A (en) * | 2018-03-12 | 2019-09-20 | 中国航发商用航空发动机有限责任公司 | Duct-Burning Turbofan, star gear train case and herringbone gear installation |
| CN113153983A (en) * | 2021-04-16 | 2021-07-23 | 江苏华永复合材料有限公司 | Integral frame type hub reduction system |
| WO2021223112A1 (en) * | 2020-05-06 | 2021-11-11 | Abb Schweiz Ag | Gearbox housing and method of manufacturing the same |
| CN113864404A (en) * | 2020-06-30 | 2021-12-31 | 中国航发商用航空发动机有限责任公司 | Planetary gear box and star gear box |
| DE102023100033A1 (en) | 2022-01-27 | 2023-07-27 | Miba Sinter Austria Gmbh | planetary gear |
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Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013676A (en) * | 2016-01-28 | 2017-08-04 | 通用电气公司 | Gearbox planetary decay spring-damper |
| CN107013675A (en) * | 2016-01-28 | 2017-08-04 | 通用电气公司 | Gearbox planetary squeeze-film damping device |
| CN105736644B (en) * | 2016-03-22 | 2018-06-29 | 西北工业大学 | A kind of side set phase-adjustable planet herringbone reducer |
| CN105736644A (en) * | 2016-03-22 | 2016-07-06 | 西北工业大学 | Staggered-tooth phase-adjustable planetary herringbone gear reducer |
| CN106438970A (en) * | 2016-10-18 | 2017-02-22 | 安徽省六安市朝晖机械制造有限公司 | Two-way planet gear support |
| CN106838138A (en) * | 2017-03-13 | 2017-06-13 | 西北工业大学 | A kind of star gear train decelerator with resilient support planet carrier |
| CN106838138B (en) * | 2017-03-13 | 2019-02-26 | 西北工业大学 | A kind of star gear train retarder with resilient support planet carrier |
| CN106969098A (en) * | 2017-05-05 | 2017-07-21 | 西北工业大学 | A kind of star-wheel is coaxial to turning deceleration device |
| CN107191549A (en) * | 2017-07-06 | 2017-09-22 | 深圳市华宏昊科技有限公司 | A kind of planet gear reducing mechanism and its decelerator |
| CN107339247A (en) * | 2017-08-15 | 2017-11-10 | 温岭市明华齿轮有限公司 | The Industrial fan of planetary transmission structure |
| CN107489753A (en) * | 2017-09-08 | 2017-12-19 | 于士伟 | A kind of planet carrier, epicyclic train and reduction gear |
| CN109838503A (en) * | 2017-11-24 | 2019-06-04 | 丰田自动车株式会社 | The manufacturing method of transmission mechanism |
| CN108006167A (en) * | 2017-12-31 | 2018-05-08 | 无锡凯涵科技有限公司 | A kind of intelligent robot reducer structure |
| CN108180270A (en) * | 2018-01-02 | 2018-06-19 | 天津工业大学 | A kind of two-output impulse generator is from vibration-reduction gear transmission system |
| CN108180260A (en) * | 2018-02-27 | 2018-06-19 | 徐州徐工基础工程机械有限公司 | A kind of rotary drilling rig and its power head torsion increasing device |
| CN108180281A (en) * | 2018-02-27 | 2018-06-19 | 徐州徐工基础工程机械有限公司 | A kind of split type planet carrier used in rotary digging drill power head torque structure |
| CN108180260B (en) * | 2018-02-27 | 2024-03-08 | 徐州徐工基础工程机械有限公司 | Rotary drilling rig and power head torque increasing device thereof |
| CN108180281B (en) * | 2018-02-27 | 2024-03-08 | 徐州徐工基础工程机械有限公司 | Split type planet carrier adopted in torque increasing structure of power head of rotary drilling rig |
| CN110259913A (en) * | 2018-03-12 | 2019-09-20 | 中国航发商用航空发动机有限责任公司 | Duct-Burning Turbofan, star gear train case and herringbone gear installation |
| CN109854683B (en) * | 2018-12-19 | 2024-02-09 | 温州职业技术学院 | Fan-in-fan inter-vehicle ceiling fan with planet carrier and inner gear ring connected in series for speed control |
| CN109854683A (en) * | 2018-12-19 | 2019-06-07 | 温州职业技术学院 | Planet carrier is connected the fan middle fan workshop ceiling fan of rate controlling with ring gear |
| WO2021008060A1 (en) * | 2019-07-16 | 2021-01-21 | 苏州小工匠机器人有限公司 | Planetary decelerator |
| CN110242711A (en) * | 2019-07-16 | 2019-09-17 | 苏州小工匠机器人有限公司 | Planetary reduction gear |
| WO2021223112A1 (en) * | 2020-05-06 | 2021-11-11 | Abb Schweiz Ag | Gearbox housing and method of manufacturing the same |
| CN113864404A (en) * | 2020-06-30 | 2021-12-31 | 中国航发商用航空发动机有限责任公司 | Planetary gear box and star gear box |
| CN113153983A (en) * | 2021-04-16 | 2021-07-23 | 江苏华永复合材料有限公司 | Integral frame type hub reduction system |
| CN113153983B (en) * | 2021-04-16 | 2023-10-10 | 江苏华永复合材料有限公司 | Integral frame type wheel edge speed reducing system |
| DE102023100033A1 (en) | 2022-01-27 | 2023-07-27 | Miba Sinter Austria Gmbh | planetary gear |
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