CN109538700A - A kind of high-performance curved tooth planetary reduction gear - Google Patents
A kind of high-performance curved tooth planetary reduction gear Download PDFInfo
- Publication number
- CN109538700A CN109538700A CN201910061988.5A CN201910061988A CN109538700A CN 109538700 A CN109538700 A CN 109538700A CN 201910061988 A CN201910061988 A CN 201910061988A CN 109538700 A CN109538700 A CN 109538700A
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- China
- Prior art keywords
- gear
- level
- tooth
- primary
- curved tooth
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- 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.)
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Classifications
-
- 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
- F16H1/30—Toothed gearings for conveying rotary motion with gears having orbital motion in which an orbital gear has an axis crossing the main axes of the gearing and has helical teeth or is a worm
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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
Abstract
The invention discloses a kind of high-performance curved tooth planetary reduction gears, it is covered it is characterized in that input shaft is supported on input terminal by input shaft bearing first and input shaft bearing second, power is passed to face gear axis by cylinder curved tooth pinion gear engagement orthogonal with curved tooth face gear on input shaft, again through helical gear engaged transmission, power is passed to the level-one sun wheel shaft of first order herringbone curved tooth planetary transmission system, face gear axis and level-one sun wheel shaft respectively pass through a pair of bearings and are supported on lower box and support frame, level-one sun wheel shaft, primary planet wheel, primary annulus, secondary solar gear axis, secondary planet wheel, the gear teeth of second level gear ring are all arc double helical tooth, it is arc-shaped gear in the tooth length direction flank of tooth, the contact line of gear pair is camber line；Beneficial effect is stable drive, bearing capacity is strong, power density is high, and production capacity both can be improved, and meets Practical Project demand, and can produce biggish social benefit and economic benefit.
Description
Technical field
The present invention relates to mechanical transmission fields, more particularly to a kind of high-performance curved tooth planetary reduction gear.
Background technique
Machine driving is subjects of mechanical engineering one of core technology the most classical, and machine driven system is answered in industrial circle
With extremely wide, all occasions for having prime mover, which are almost required to use machine driven system, carries out speed change, realizes working machine
Speeds match completes the torsion of speedup drop or deceleration torque increase.
However, with the development of the society, the continuous development of industry, scientific and technical makes rapid progress.To large transmission ratio, corpusculum
Product, the transmission product requirement of high power density are increasingly strong.Precision machinery people, space manipulator, aero-engine, Helicopter Main
Retarder, naval vessel transmission system, tank transmission system etc. are required to the variable ratio drive system that subtracts of high-quality, be almost related to aviation,
Major high-tech area such as space flight, marine settings, weapons.Defence equipment needs technology upgrading and product renewal, and increasingly demand is new
Type transmission system, to seek the upgrading and leap of equipment technology.
For the technical bottlenecks such as the transmission ratio for solving currently available technology transmission system is small, and power density is low, and structure is complicated,
The invention discloses a kind of high-performance curved tooth planetary reduction gears, and cost is relatively low, and scheme is novel, and configuration is unique, and principle is novel, energy
Enough realize orthogonal formula input, and power density is high, stable drive can satisfy the actual demand that industrial circle subtracts gear,
The relevant technologies blank is filled up, and can produce biggish social benefit and economic benefit.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention proposes a kind of high-performance curved tooth planetary reduction gear, the biographies
Dynamic system passes principle uniqueness, breaks through conventional gear technical solution, and design is novel, and transmission ratio is big, and power density is high, can be realized
Big load speed change is realized under relatively small volume, structure is simple, and input terminal is insensitive to installation error, is easy assembly.
A kind of high-performance curved tooth planetary reduction gear, it is characterised in that input shaft passes through input shaft bearing first and input shaft bearing second branch
Support is covered in input terminal, and power is passed to face gear by cylinder curved tooth pinion gear engagement orthogonal with curved tooth face gear on input shaft
Axis, then through helical gear engaged transmission, power is passed to the level-one sun wheel shaft of first order herringbone curved tooth planetary transmission system, face gear
Axis and level-one sun wheel shaft respectively pass through a pair of bearings and are supported on lower box and support frame；
Further, two nearly semicircular primary annulus are fixedly connected by bolt and middle cabinet and lower box, level-one
The flank of tooth of annular gear teeth is herringbone cambered surface tooth；The flank of tooth of level-one sun gear be herringbone cambered surface tooth, level-one sun gear around central axis from
Turn, level-one sun gear and primary planet wheel engaged transmission, the flank of tooth of primary planet wheel is also herringbone cambered surface tooth, primary planet wheel around
The revolution of level-one sun gear, primary planet wheel are fixed together by primary planet axis and primary planet carrier, and primary planet carrier is in
Mandrel line rotation, primary planet carrier and secondary solar gear axis are connected by spline, and power is exported by primary planet carrier to second level
In sun wheel shaft, power is identical with level-one in the mode of second level herringbone curved tooth planetary transmission system, and last power is by second level
Planet carrier output；
Further, the orthogonal transmission implementation of input shaft is that cylinder curved tooth pinion gear is engaged with curved tooth face gear, circle
Column curved tooth pinion gear tooth form is in arc-shaped in the axial direction, and the trend that in axial direction comes to a point；Curved tooth face gear tooth form exists
Radial direction is in arc-shaped, and the trend that radially comes to a point；
Further, primary annulus and second level gear ring are that two nearly semicircle gear rings are spliced, the segmentation of two gear rings
Face is to be cut with cambered surface tooth shaft to flute profile shape, divisional plane approximation Z-shaped；
Further, level-one sun wheel shaft, primary planet wheel, primary annulus, secondary solar gear axis, secondary planet wheel, two
The gear teeth of grade gear ring are all arc double helical tooth, are arc-shaped gear in the tooth length direction flank of tooth, the contact line of gear pair is camber line；Level-one row
The crest top land of star-wheel and secondary planet wheel in axial direction gradually comes to a point, level-one sun wheel shaft, secondary solar gear axis, level-one tooth
It encloses, the root face of second level gear ring in axial direction gradually comes to a point.
Compared with prior art, beneficial effects of the present invention are as follows: the orthogonal transmission implementation of retarder is curved tooth face
Gear drive, the flute profile in entire planetary transmission system are cambered surface tooth, and the intensity of the gear teeth increases, entire retarder bearing capacity
It improves.Cost is relatively low, and scheme is novel, and configuration is unique, and principle is novel, can be realized orthogonal formula input, and power density is high, transmission
Steadily, it can satisfy the actual demand that industrial circle subtracts gear, fill up the relevant technologies blank, there is boundless business
Prospect, and can produce biggish social benefit and economic benefit.
Detailed description of the invention
Fig. 1 is a kind of high-performance curved tooth planetary reduction gear.
Fig. 2 is a kind of high-performance curved tooth planetary reduction gear explosive view.
Fig. 3 is first order herringbone curved tooth planetary transmission system.
Fig. 4 is partition type gear ring.
Fig. 5 is the orthogonal transmission of face gear.
In Fig. 1:
1. installing 2. upper box 3. of supporting plate exports end cap
4. secondary planet frame 5. is to 6. secondary solar gear axis of axis
7. exporting 8. secondary planet axis of bearing, 9. secondary planet wheel bearing
10. cabinet in 11. second level gear ring 12. of secondary planet wheel
13. 14. primary planet carrier of planet carrier bearing, 15. primary annulus
16. 17. primary planet wheel bearing of primary planet wheel, 18. primary planet axis
19. 20. lower box of support frame, 21. level-one sun gear bearing second
22. 23. level-one sun gear bearing first of helical gear, 24. level-one sun wheel shaft
25. 26. face gear bearing second of curved tooth face gear, 27. face gear axis
28. 29. input shaft bearing second 30. of face gear bearing first inputs end cap
31. 32. input shaft bearing first of input shaft
Specific embodiment
Embodiments of the present invention are described with reference to the drawings, the present invention is specifically described below with reference to Fig. 1-Fig. 5.
A kind of high-performance curved tooth planetary reduction gear, including installation supporting plate 1, upper box 2, output end cap 3, secondary planet frame 4,
To axis 5, secondary solar gear axis 6, output bearing 7, secondary planet axis 8, secondary planet wheel bearing 9, secondary planet wheel 10, second level
Gear ring 11, middle cabinet 12, planet carrier bearing 13, primary planet carrier 14, primary annulus 15, primary planet wheel 16, primary planet wheel
Bearing 17, primary planet axis 18, support frame 19, lower box 20, level-one sun gear bearing second 21, helical gear 22, level-one sun gear
Bearing first 23, level-one sun wheel shaft 24, curved tooth face gear 25, face gear bearing second 26, face gear axis 27, face gear bearing first
28, input shaft bearing second 29, input end cap 30, input shaft 31, input shaft bearing first 32.
Input shaft 31 is supported on input end cap 30 by input shaft bearing first 32 and input shaft bearing second 29, and power passes through input
The engagement orthogonal with curved tooth face gear 25 of cylinder curved tooth pinion gear is passed to face gear axis 27, curved tooth face gear 25 and face tooth on axis 31
Wheel shaft 27 is connected by keyway, and face gear axis 27 is respectively supported at support frame by face gear bearing first 28 and face gear bearing second 26
19 and lower box 20 on, power is passed to meshed helical gear 22 by face gear axis 27, helical gear 22 and level-one sun gear
Axis 24 is connected by keyway, and power is passed to the level-one sun wheel shaft 24 of first order herringbone curved tooth planetary transmission system, the level-one sun
Wheel shaft 24 is supported on lower box 20 and support frame 19 by level-one sun gear bearing first 23 and level-one sun gear bearing second 21.
Two nearly semicircular primary annulus 15 are completely fixed using a circle bolt and nut with lower box 20 and middle cabinet 12,
Level-one sun wheel shaft 24 is around central axis rotation, and the three primary planet wheels 16 engaged revolve around level-one sun gear 24, level-one
Planetary gear 16 is completely fixed by primary planet axis 18 with primary planet carrier 14, and primary planet carrier 14 is around central axis rotation, and one
Grade planet carrier 14 is connected with secondary solar gear axis 6 by spline, and power is exported by primary planet carrier 14 to second level herringbone curved tooth
Planetary transmission system；Two semicircular second level gear rings 11 are completely solid using a circle bolt and nut and upper box 2 and middle cabinet 12
Fixed, secondary solar gear axis 6 is around central axis rotation, and the 4 secondary planet wheels 10 engaged revolve around secondary solar gear 6, second level
Planetary gear 10 is completely fixed by secondary planet axis 8 with second level grade planet carrier 4, and last power is exported by secondary planet frame 4.
The above is only better embodiment of the invention, not does any restrictions to the present invention, all according to this hair
Bright essence still falls within the protection of the technology of the present invention to any modification, change and equivalence changes made by embodiment of above
Within the scope of.
Claims (1)
1. a kind of high-performance curved tooth planetary reduction gear, it is characterised in that input shaft is supported by input shaft bearing first and input shaft bearing second
It is covered in input terminal, power is passed to face gear by cylinder curved tooth pinion gear engagement orthogonal with curved tooth face gear on input shaft
Axis, then through helical gear engaged transmission, power is passed to the level-one sun wheel shaft of first order herringbone curved tooth planetary transmission system, face gear
Axis and level-one sun wheel shaft respectively pass through a pair of bearings and are supported on lower box and support frame；
Two nearly semicircular primary annulus are fixedly connected by bolt and middle cabinet and lower box, the flank of tooth of the primary annulus gear teeth
For herringbone cambered surface tooth；The flank of tooth of level-one sun gear is herringbone cambered surface tooth, level-one sun gear around central axis rotation, level-one sun gear with
Primary planet wheel engaged transmission, the flank of tooth of primary planet wheel are also herringbone cambered surface tooth, and primary planet wheel revolves around level-one sun gear,
Primary planet wheel is fixed together by primary planet axis and primary planet carrier, and primary planet carrier is around central axis rotation, level-one
Planet carrier is connected with secondary solar gear axis by spline, and power is exported by primary planet carrier to secondary solar gear axis, power
Identical with level-one in the mode of second level herringbone curved tooth planetary transmission system, last power is exported by secondary planet frame；
The orthogonal transmission implementation of input shaft is that cylinder curved tooth pinion gear is engaged with curved tooth face gear, cylinder curved tooth pinion gear teeth
Shape is in arc-shaped in the axial direction, and the trend that in axial direction comes to a point；Curved tooth face gear tooth form is in circular arc in radial direction
Shape, and the trend that radially comes to a point；
Primary annulus and second level gear ring are that two nearly semicircle gear rings are spliced, and the divisional plane of two gear rings is with cambered surface tooth shaft
It is cut to the shape of flute profile, divisional plane approximation Z-shaped；
Level-one sun wheel shaft, primary planet wheel, primary annulus, secondary solar gear axis, secondary planet wheel, second level gear ring the gear teeth all
It is arc-shaped gear in the tooth length direction flank of tooth, the contact line of gear pair is camber line for arc double helical tooth；Primary planet wheel and secondary planet
The crest top land of wheel in axial direction gradually comes to a point, level-one sun wheel shaft, secondary solar gear axis, primary annulus, second level gear ring tooth
Root face in axial direction gradually comes to a point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910061988.5A CN109538700A (en) | 2019-01-18 | 2019-01-18 | A kind of high-performance curved tooth planetary reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910061988.5A CN109538700A (en) | 2019-01-18 | 2019-01-18 | A kind of high-performance curved tooth planetary reduction gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109538700A true CN109538700A (en) | 2019-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910061988.5A Pending CN109538700A (en) | 2019-01-18 | 2019-01-18 | A kind of high-performance curved tooth planetary reduction gear |
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| CN (1) | CN109538700A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925362A (en) * | 2019-12-24 | 2020-03-27 | 天津工业大学 | Orthogonal transmission system for electric tool |
Citations (9)
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|---|---|---|---|---|
| CN101225878A (en) * | 2007-01-19 | 2008-07-23 | 西北工业大学 | Arc tooth surface gear pair and method of processing the same |
| CN103697117A (en) * | 2013-11-28 | 2014-04-02 | 江苏泰隆减速机股份有限公司 | Rotary planetary speed reducer for bucket wheel machine |
| CN203560366U (en) * | 2013-11-20 | 2014-04-23 | 重庆齿轮箱有限责任公司 | Multistage gear drive device |
| CN205118137U (en) * | 2015-10-31 | 2016-03-30 | 西安科技大学 | Gear transmission mechanism |
| 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 |
| US20180207796A1 (en) * | 2016-09-06 | 2018-07-26 | Ubtech Robotics Corp | Speed reduction device, join servo and robot |
| CN108953502A (en) * | 2018-10-08 | 2018-12-07 | 天津工业大学 | A kind of herringbone arc-shaped gear planetary transmission system based on circular arc profile |
| CN109114169A (en) * | 2018-10-08 | 2019-01-01 | 天津工业大学 | aviation spiral gear transmission system |
| CN209604485U (en) * | 2019-01-18 | 2019-11-08 | 天津工业大学 | A kind of face gear planet Composite Transmission speed reducer |
-
2019
- 2019-01-18 CN CN201910061988.5A patent/CN109538700A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101225878A (en) * | 2007-01-19 | 2008-07-23 | 西北工业大学 | Arc tooth surface gear pair and method of processing the same |
| CN203560366U (en) * | 2013-11-20 | 2014-04-23 | 重庆齿轮箱有限责任公司 | Multistage gear drive device |
| CN103697117A (en) * | 2013-11-28 | 2014-04-02 | 江苏泰隆减速机股份有限公司 | Rotary planetary speed reducer for bucket wheel machine |
| CN205118137U (en) * | 2015-10-31 | 2016-03-30 | 西安科技大学 | Gear transmission mechanism |
| US20180207796A1 (en) * | 2016-09-06 | 2018-07-26 | Ubtech Robotics Corp | Speed reduction device, join servo and robot |
| 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 |
| CN108953502A (en) * | 2018-10-08 | 2018-12-07 | 天津工业大学 | A kind of herringbone arc-shaped gear planetary transmission system based on circular arc profile |
| CN109114169A (en) * | 2018-10-08 | 2019-01-01 | 天津工业大学 | aviation spiral gear transmission system |
| CN209604485U (en) * | 2019-01-18 | 2019-11-08 | 天津工业大学 | A kind of face gear planet Composite Transmission speed reducer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925362A (en) * | 2019-12-24 | 2020-03-27 | 天津工业大学 | Orthogonal transmission system for electric tool |
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