CN109681586A - A kind of curved tooth double helical tooth planetary differential gearing system that can actively adjust the speed - Google Patents
A kind of curved tooth double helical tooth planetary differential gearing system that can actively adjust the speed Download PDFInfo
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- CN109681586A CN109681586A CN201910062039.9A CN201910062039A CN109681586A CN 109681586 A CN109681586 A CN 109681586A CN 201910062039 A CN201910062039 A CN 201910062039A CN 109681586 A CN109681586 A CN 109681586A
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- Prior art keywords
- gear ring
- input
- gear
- tooth
- bearing
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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
- F16H1/36—Toothed gearings for conveying rotary motion with gears having orbital motion with two central gears coupled by intermeshing orbital gears
-
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses the curved tooth double helical tooth planetary differential gearing systems that one kind can be adjusted the speed actively, it is characterized in that input shaft and speed regulation axis are 2 power intakes, input shaft is mounted on cabinet by input lower bearing and input upper bearing (metal), input shaft is meshed with 2 input terminal gear wheels simultaneously, 2 input transition axis bilateral symmetry distributions and axis parallel, input terminal gear wheel is mounted on input transition axis by flat key, input transition axis upper end is mounted on cabinet by upper bearing (metal), input transition axis lower end is connected with lower bearing inner ring, lower axle bearing outer-ring is supported on output shaft upper end inner wall；Beneficial effect is design principle novelty, and unique structure, speed adjustable range is big, has boundless commercial promise, can not only fill up the relevant technologies blank, but also can produce biggish social benefit and economic benefit.
Description
Technical field
The present invention relates to mechanical transmission fields, the differential biography of curved tooth double helical tooth planetary that can be actively adjusted the speed more particularly to one kind
Dynamic system.
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 gear train assembly, 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, Gao Gong
The transmission product requirement of rate density is increasingly strong.Space manipulator, aero-engine, naval vessel transmission system, Helicopter Main slow down
Device, tank transmission system etc. are required to the variable ratio drive system that subtracts of high-quality, are almost related to Aeronautics and Astronautics, marine settings, weapons
Etc. major high-tech area.
In order to solve the problems such as transmission ratio is small, power density is low in transmission system in currently available technology, the present invention is proposed
A kind of curved tooth double helical tooth planetary differential gearing system that can actively adjust the speed, system design principle novelty, clever structure, operation
Reliably, it had both been able to satisfy the actual demand in enterprise and market, has met the actual demand that industrial circle subtracts gear, fills up related skill
Art blank, 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 present invention provides the curved tooth double helical tooth planetaries that one kind can be adjusted the speed actively
Differential gearing system, the system principle is unique, design is novel, bearing capacity is strong, transmission ratio is big, can be realized single input lose-lose
Out, and speed is adjustable, greatly improves the flexibility and fitness of transmission system.
A kind of curved tooth double helical tooth planetary differential gearing system that can actively adjust the speed, it is characterised in that input shaft and speed regulation axis are
2 power intakes, input shaft are mounted on cabinet by input lower bearing and input upper bearing (metal), and input shaft is defeated with 2 simultaneously
Enter gear wheel is held to be meshed, 2 input transition axis bilateral symmetries are distributed and axis parallel, input terminal gear wheel pass through flat key and pacify
On input transition axis, input transition axis upper end is mounted on cabinet by upper bearing (metal), input transition axis lower end and lower bearing
Inner ring is connected, and lower axle bearing outer-ring is supported on output shaft upper end inner wall；
Further, sun gear one end in differential planetary part is connected with input transition axis by spline, and sun gear is same
When be meshed with several planetary gears, planetary gear is mounted on planet carrier by planet support shaft and planetary gear with bearing, planet carrier
It is connected with output shaft as fabricated structure, output shaft is mounted on cabinet by output upper bearing (metal) and output lower bearing；
Further, several planetary gears are meshed with left gear ring internal tooth, and left gear ring external tooth and right gear ring external tooth are meshed, left
Gear ring and right gear ring are connected with seal closure big end by bolt, and seal closure and bearing block are linked together to form fabricated structure, close
Sealing cover small end is connected with bearing cap by screw, and seal closure is symmetrically distributed in the two sides of left gear ring and right gear ring with spring bearing；
Speed regulation axis is meshed with speed regulation gear wheel, and the axial line for adjusting the speed the axial line and speed regulation gear wheel of axis is parallel to each other, and adjusts the speed transition
Separately there is a small Spur gear to be meshed on axis with left gear ring external tooth；
Further, the internal tooth of left gear ring and right gear ring is curved tooth double helical tooth, and the external tooth of left gear ring and right gear ring is gradually to open
Line tooth form；The tooth form of sun gear and planetary gear is curved tooth double helical tooth, is arc-shaped gear, the contact line of gear pair in the tooth length direction flank of tooth
For camber line, small Spur gear is meshed with the external tooth of left gear ring, and the external tooth of left gear ring is meshed with the external tooth of right gear ring, left gear ring and
The internal tooth of right gear ring is connected with planetary gear, and the crest top land of planetary gear in axial direction gradually comes to a point, sun gear, left gear ring, right tooth
The root face of circle in axial direction gradually comes to a point；
Further, two end faces of left gear ring and right gear ring are respectively connected with a seal closure big end by bolt, sealing
The other end of cover is connected by screw with bearing cap, and limitation spring bearing axial direction moves, spring bearing be located at bearing block and
Between output shaft, output shaft is stepped；
Further, when the speed regulation static locking of axis, left gear ring and right gear ring are fixed, form common planetary power train
System, input shaft are meshed with 2 input terminal gear wheels simultaneously, and the rotation of the revolving speeds such as input terminal gear wheel and sun gear drives planet
Frame is rotated as output shaft；
Further, when adjusting the speed axis nonstatic, left gear ring and right gear ring are rotated with certain speed, form differential gearing system
System, input shaft are meshed with 2 input terminal gear wheels simultaneously, the revolving speeds such as input terminal gear wheel and sun gear rotation, in input shaft
When invariable rotary, driving planet carrier is as output shaft with the rotation of other revolving speeds.
Compared with prior art, beneficial effects of the present invention are as follows: principle is novel, non-stable drive ratio, speed regulation effect are good, at
This is cheap, speed change section is wide, has boundless commercial promise, it can fill up the relevant technologies blank, and can produce larger
Social benefit and economic benefit.
Detailed description of the invention
Fig. 1 is a kind of curved tooth double helical tooth planetary differential gearing system that can actively adjust the speed.
Fig. 2 is a kind of curved tooth double helical tooth planetary differential gearing system tomograph that can actively adjust the speed.
Fig. 3 is Gear Planet Transmission partial 3-D figure.
Fig. 4 is sun gear.
Fig. 5 is planetary gear.
Fig. 6 is gear ring.
In Fig. 1:
1, cabinet 2, sun gear 3, output upper bearing (metal)
4, flat key 5, input transition axis 6, input upper bearing (metal)
7, lower bearing 8, input shaft 9, bearing cap are inputted
10, spline 11, input terminal gear wheel 12, upper bearing (metal)
13, lower bearing 14, screw 15, left gear ring
16, small Spur gear 17, speed regulation axis 18, speed regulation transition axis
19, gear wheel 20, seal closure 21, spring bearing are adjusted the speed
22, output shaft 23, planet support shaft 24, planetary gear
25, right gear ring 26, output lower bearing 27, planetary gear bearing
28, bolt
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. 6.
A kind of curved tooth double helical tooth planetary differential gearing system that can actively adjust the speed, including cabinet 1, sun gear 2, axis in output
It is big to hold 3, flat key 4, input transition axis 5, input upper bearing (metal) 6, input lower bearing 7, input shaft 8, bearing cap 9, spline 10, input terminal
Gear 11, lower bearing 13, screw 14, left gear ring 15, small Spur gear 16, speed regulation axis 17, speed regulation transition axis 18, is adjusted upper bearing (metal) 12
Under fast gear wheel 19, seal closure 20, spring bearing 21, output shaft 22, planet support shaft 23, planetary gear 24, right gear ring 25, output
Bearing 26, planetary gear bearing 27, bolt 28.
Input shaft 8 is mounted on cabinet 1 by input upper bearing (metal) 6 and input lower bearing 7, and a power is via input shaft 8
Input, input shaft 8 and 2 input terminal gear wheel 11 are meshed, and 2 input terminal gear wheels 11 are distributed in input at being symmetrically installed
8 two sides of axis, the power of 2 input transition axis 5 are transmitted to two identical planetary systems, and two planetary systems are also symmetrically distributed in defeated
Enter 8 two sides of axis, two planetary system sun gear center lines are overlapped with ipsilateral 5 axial line of input transition axis respectively, and input terminal is big
Gear 11 is connect with input transition axis 5 via flat key 4, and 5 upper end of input transition axis is mounted on cabinet 1 by upper bearing (metal) 12, defeated
Enter 5 lower end of transition axis to be connected with 13 inner ring of lower bearing, 13 outer ring of lower bearing is supported on 22 upper end inner wall of output shaft.
Input transition axis 5 is connected with sun gear 2 via end spline 10, and power is transmitted to sun gear 2, if sun gear 2 with
Dry planetary gear 24 is meshed, and planetary gear 24 is fixed on the planet carrier by planetary gear bearing 27 and planet support shaft 23, planet carrier
It is connected with power output shaft as fabricated structure, output shaft 22 is mounted on by output upper bearing (metal) 3 and output lower bearing 26
On cabinet, installed on 21 output shaft 22 of spring bearing, 20 small end of seal closure is connected with 21 outer ring of spring bearing, and bearing cap 9 passes through
Screw 14 is fixed with 20 small end of seal closure, and left 15 both ends of the surface of gear ring and seal closure big end are fixed via bolt 28, outside left gear ring 15
Tooth and 25 external tooth of right gear ring are meshed.
Another power is inputted via speed regulation axis 17, and speed regulation axis 17 is meshed with speed regulation gear wheel 19, is adjusted the speed on transition axis 18
The small Spur gear 16 of installation is meshed with left 15 external tooth of gear ring, and the input speed of lower pinion gear is different, and left gear ring 15 is adjusted
Revolving speed, left gear ring 15 and right gear ring 25 are meshed, and so as to change the revolving speed of output shaft, realize planetary system differential gearing；
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. the curved tooth double helical tooth planetary differential gearing system that one kind can be adjusted the speed actively, it is characterised in that input shaft is 2 with speed regulation axis
A power intake, input shaft are mounted on cabinet by input lower bearing and input upper bearing (metal), and input shaft is inputted with 2 simultaneously
End gear wheel is meshed, and 2 input transition axis bilateral symmetries are distributed and axis parallel, input terminal gear wheel pass through flat key and install
On input transition axis, input transition axis upper end is mounted on cabinet by upper bearing (metal), in input transition axis lower end and lower bearing
Circle is connected, and lower axle bearing outer-ring is supported on output shaft upper end inner wall；
Sun gear one end in differential planetary part is connected with input transition axis by spline, sun gear simultaneously with several planetary gears
It is meshed, planetary gear is mounted on planet carrier by planet support shaft and planetary gear with bearing, and planet carrier and output shaft are linked to be one
Body is fabricated structure, and output shaft is mounted on cabinet by output upper bearing (metal) and output lower bearing；
Several planetary gears are meshed with left gear ring internal tooth, and left gear ring external tooth and right gear ring external tooth are meshed, left gear ring and right gear ring
It is connected with seal closure big end by bolt, seal closure and bearing block are linked together to form fabricated structure, seal closure small end and axis
It holds lid to be connected by screw, seal closure is symmetrically distributed in the two sides of left gear ring and right gear ring with spring bearing；Adjust the speed axis and speed regulation
Gear wheel is meshed, and the axial line for adjusting the speed the axial line and speed regulation gear wheel of axis is parallel to each other, and adjusting the speed on transition axis separately has one
Small Spur gear is meshed with left gear ring external tooth；
The internal tooth of left gear ring and right gear ring is curved tooth double helical tooth, and the external tooth of left gear ring and right gear ring is involute profile；Sun gear
Tooth form with planetary gear is curved tooth double helical tooth, is arc-shaped gear in the tooth length direction flank of tooth, the contact line of gear pair is camber line, small straight-tooth
Wheel is meshed with the external tooth of left gear ring, and the external tooth of left gear ring is meshed with the external tooth of right gear ring, the internal tooth of left gear ring and right gear ring
It is connected with planetary gear, the crest top land of planetary gear in axial direction gradually comes to a point, the root face edge of sun gear, left gear ring, right gear ring
Axial direction gradually comes to a point；
Two end faces of left gear ring and right gear ring are respectively connected with a seal closure big end by bolt, and the other end of seal closure passes through
Screw is connected with bearing cap, and limitation spring bearing axial direction is mobile, and spring bearing is between bearing block and output shaft, output
Axis is stepped；
When adjusting the speed the static locking of axis, left gear ring and right gear ring are fixed, form common planetary transmission system, input shaft simultaneously with
2 input terminal gear wheels are meshed, and the revolving speeds such as input terminal gear wheel and sun gear rotation, driving planet carrier is revolved as output shaft
Turn；
Adjust the speed axis nonstatic when, left gear ring and right gear ring are rotated with certain speed, form differential gearing system, input shaft simultaneously with
2 input terminal gear wheels are meshed, the rotation of the revolving speeds such as input terminal gear wheel and sun gear, in input shaft invariable rotary, driving
Planet carrier is as output shaft with the rotation of other revolving speeds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910062039.9A CN109681586A (en) | 2019-01-18 | 2019-01-18 | A kind of curved tooth double helical tooth planetary differential gearing system that can actively adjust the speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910062039.9A CN109681586A (en) | 2019-01-18 | 2019-01-18 | A kind of curved tooth double helical tooth planetary differential gearing system that can actively adjust the speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109681586A true CN109681586A (en) | 2019-04-26 |
Family
ID=66193978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910062039.9A Pending CN109681586A (en) | 2019-01-18 | 2019-01-18 | A kind of curved tooth double helical tooth planetary differential gearing system that can actively adjust the speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109681586A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112946A (en) * | 2020-11-05 | 2020-12-22 | 机械科学研究总院青岛分院有限公司 | Double-input single-output planetary transmission device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2263308A (en) * | 1992-01-16 | 1993-07-21 | Ian Charles Crossley | Differential drive for supercharged engine |
| CN101204992A (en) * | 2006-12-22 | 2008-06-25 | 郭正 | Helicopter co-axis double rotator rotate speed differential device |
| CN201575123U (en) * | 2009-11-18 | 2010-09-08 | 荆州市巨鲸传动机械有限公司 | Differential speed reducer |
| CN201934590U (en) * | 2011-01-04 | 2011-08-17 | 杭州南方通达齿轮有限公司 | Differential planetary power distribution reduction gear |
| CN202914648U (en) * | 2012-12-04 | 2013-05-01 | 何晓荷 | Stepless speed change device for motor speed regulation |
| CN104763804A (en) * | 2015-04-22 | 2015-07-08 | 福建工程学院 | Centralized drive type pure electric vehicle power system |
| CN205298449U (en) * | 2016-01-19 | 2016-06-08 | 湖北赛尼尔机械制造有限公司 | Differential planetary reducer of dual input dual output |
| CN206626148U (en) * | 2017-03-01 | 2017-11-10 | 余汉明 | A kind of differential concatenation stepless speed adjusting gear |
| 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 |
-
2019
- 2019-01-18 CN CN201910062039.9A patent/CN109681586A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2263308A (en) * | 1992-01-16 | 1993-07-21 | Ian Charles Crossley | Differential drive for supercharged engine |
| CN101204992A (en) * | 2006-12-22 | 2008-06-25 | 郭正 | Helicopter co-axis double rotator rotate speed differential device |
| CN201575123U (en) * | 2009-11-18 | 2010-09-08 | 荆州市巨鲸传动机械有限公司 | Differential speed reducer |
| CN201934590U (en) * | 2011-01-04 | 2011-08-17 | 杭州南方通达齿轮有限公司 | Differential planetary power distribution reduction gear |
| CN202914648U (en) * | 2012-12-04 | 2013-05-01 | 何晓荷 | Stepless speed change device for motor speed regulation |
| CN104763804A (en) * | 2015-04-22 | 2015-07-08 | 福建工程学院 | Centralized drive type pure electric vehicle power system |
| CN205298449U (en) * | 2016-01-19 | 2016-06-08 | 湖北赛尼尔机械制造有限公司 | Differential planetary reducer of dual input dual output |
| CN206626148U (en) * | 2017-03-01 | 2017-11-10 | 余汉明 | A kind of differential concatenation stepless speed adjusting gear |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112946A (en) * | 2020-11-05 | 2020-12-22 | 机械科学研究总院青岛分院有限公司 | Double-input single-output planetary transmission device |
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