CN106438855B - Roller gear drive mechanism - Google Patents
Roller gear drive mechanism Download PDFInfo
- Publication number
- CN106438855B CN106438855B CN201611000279.9A CN201611000279A CN106438855B CN 106438855 B CN106438855 B CN 106438855B CN 201611000279 A CN201611000279 A CN 201611000279A CN 106438855 B CN106438855 B CN 106438855B
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- Prior art keywords
- gear
- roller
- ring
- drive mechanism
- driven
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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
-
- 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
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of roller gear drive mechanism, which includes the driving gear for power input, multiple roller gears engaged with driving gear along the setting of driving gear circumferencial direction, multiple roller gear intermediate gears for engaging and the driven gear ring that with the intermediate gear engages adjacent with any two respectively；Engage self-centering and pre-pressing that the radial force generated realizes roller gear with driving gear and intermediate gear respectively by roller gear；Driven gear ring is connected with exporting axis through connector, to deliver torque to output shaft, driven gear ring is using flexible gear ring, engaging the radial force generated with driven gear ring by intermediate gear makes wheel rim generate radial deformation, promote the uniform load between each gear, reduces noise when working gear, and the drive mechanism part is few, light-weight, transmission ratio is big.
Description
Technical field
The present invention relates to mechanical transmission fields, particularly, are related to a kind of roller gear drive mechanism.
Background technique
At present in transmission system, in order to meet the requirement of large transmission ratio, the main knot using two-stage planet transmission
Structure mode.The structure is mainly by I grade of sun gear, I grade of planetary gear, I grade of planet carrier, I grade of fixed gear ring, II grade of sun tooth
The parts such as wheel, II grade of planetary gear, II grade of planet carrier, II grade of fixed gear ring composition, planetary gear are fixed on planet by bearing
On frame.Torque is passed to by I grade of sun gear, I grade of planetary gear drives I grade of planet carrier rotation, II grade of sun gear and I grade of planet
Frame connection makes II grade of sun gear rotation, and II grade of sun gear drives II grade of planetary gear and II grade of row by II grade of fixed gear ring
Carrier rotation, II grade of planet carrier drive output shaft rotation, transfer torque on output shaft.
The major defect of the structure is: structure is complicated, and number of parts is more, and the height and weight of system are big, and planet tooth
The uneven characteristic that carries of wheel causes work unstable, and noise is larger.
Summary of the invention
The present invention provides a kind of novel roller gear transmission structures, multiple with the structure for solving existing two-stage planet
Technical problem miscellaneous, work is unstable and larger noise.
The technical solution adopted by the invention is as follows:
A kind of roller gear drive mechanism, the roller gear drive mechanism include the driving gear for providing power input, edge
Multiple roller gears engaged with driving gear of driving gear circumferencial direction setting, multiple rollings adjacent with any two respectively
The intermediate gear of stud wheel engagement, and the driven gear ring engaged with intermediate gear；
Roller tooth is realized by the roller gear radial force that engaging between driving gear and intermediate gear generates respectively
That takes turns is self-centering, and driven gear ring is flexible gear ring, and it is each to realize to engage the radial force generated with intermediate gear by driven gear ring
Uniform load between a gear, driven gear ring is through connector and for the output axis connection of power output, driving gear and output shaft
It is arranged concentrically.
Further, driving gear includes the gear of coaxial setting and the lower gear below gear, roller
Gear includes coaxial upper roller gear, the spur gear of lower roller gear and setting in-between, and intermediate gear includes coaxial
Pinion gear and the gear wheel above pinion gear, gear engaged with upper roller gear, lower gear and lower roller gear
Engagement, spur gear are engaged with two adjacent gear wheels.
Further, intermediate gear is equipped with coaxial output gear, and driven gear ring includes engaging with output gear
The first driven gear ring and the second driven gear ring for being engaged with pinion gear.
Further, the circumferencial direction of the first driven gear ring is equipped with the first cantilever, and the circumferencial direction of the second driven gear ring is set
There is the second cantilever, the first cantilever and the second cantilever are connected with exporting axis through bolt assembly.
Further, it is connected between upper roller gear, lower roller gear and spur gear using electron beam welding, through roller gear
Locking nut axially position.
Further, it is connected between gear wheel and pinion gear using electron beam welding, and through in the recessed shoulder of roller gear
Locking nut axially position.
Further, intermediate gear is by roller bearing supports, and the outer ring of roller bearing is through the inner baffle shoulder of intermediate gear in axis
To positioning, and through spacer sleeve to the axial compression of roller bearing outer ring；The inner ring of roller bearing is through along intermediate gear wheel axis direction
The shoulder block of the tooth rest of setting is locked in axially position, and through roller bearing locking nut.
Further, tooth rest is fixed on fixed casing through bolt assembly, to prevent tooth rest from sending out with respect to intermediate gear
Raw rotation.
Further, roller bearing is spheric roller bearing.
Further, the spline for power input is equipped between gear and lower gear, output shaft, which is equipped with, is used for function
The spline of rate output.
The invention has the following advantages:
Roller gear drive mechanism of the invention engages generation with driving gear and intermediate gear respectively by roller gear
Radial force realize roller gear self-centering and pre-pressing, intermediate gear engaged with driven gear ring, driven gear ring is through connecting
Part is connected with exporting axis, to deliver torque to output shaft；Driven gear ring passes through intermediate gear and driven tooth using flexible gear ring
The radial force that circle engagement generates makes wheel rim generate radial deformation, promotes the uniform load between each gear, when reducing working gear
Noise, and the drive mechanism part is few, and light-weight, transmission ratio is big.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to accompanying drawings, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the roller gear drive mechanism schematic diagram of the preferred embodiment of the present invention；
Fig. 2 is the roller gear radial force schematic diagram of the preferred embodiment of the present invention.
Detailed description of the invention:
1, driving gear；11, gear；12, lower gear；13, spline；
2, roller gear；21, upper roller tooth；22, lower roller tooth；23, spur gear；24, recessed shoulder；
3, intermediate gear；31, pinion gear；32, gear wheel；
4, output gear；
5, driven gear ring；51, the first driven gear ring；511, the first cantilever；52, the second driven gear ring；521, the second cantilever；
6, tooth rest；7, output shaft；8, roller bearing；9, spacer sleeve；14, fixed casing；15, driven casing；16, it connects
Disk；17, locking nut.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Referring to Fig.1, the preferred embodiment of the present invention provides a kind of roller gear drive mechanism, roller gear transmission knot
Structure includes the driving gear 1 for providing power input, along multiple the nibbling with driving gear 1 of 1 circumferencial direction of driving gear setting
The intermediate gear 3 that the roller gear 2 of conjunction, multiple roller gears 2 adjacent with any two respectively engage, and and intermediate gear
The driven gear ring 5 of 3 engagements；
By described in roller gear 2 respectively the radial force realization that engaging generation between driving gear 1 and intermediate gear 3
Roller gear 2 it is self-centering, which is flexible gear ring, engages generation with the intermediate gear 3 by driven gear ring 5
Radial force to realize uniform load between each gear, the driven gear ring 5 is through connector and the output shaft 7 for being used for power output
Connection, the driving gear 1 are arranged concentrically with the output shaft 7.In the present embodiment, the connector is bolt assembly,
It can be other connectors.
The roller gear drive mechanism of the present embodiment engages production with driving gear and intermediate gear respectively by roller gear
Raw radial force realizes that the self-centering of roller gear and pre-pressing, intermediate gear are engaged with driven gear ring, and driven gear ring is through even
Fitting is connected with exporting axis, to deliver torque to output shaft；Driven gear ring using flexible gear ring, by intermediate gear with it is driven
The radial force that gear ring engagement generates makes wheel rim generate radial deformation, promotes the uniform load between each gear, reduces working gear
When noise, and the drive mechanism part is few, and light-weight, transmission ratio is big.
Preferably, driving gear 1 includes the gear 11 of coaxial setting and the lower tooth positioned at 11 lower section of gear
Wheel 12, roller gear 2 include coaxial upper roller gear 21, lower roller gear 22 and are arranged in upper 21 and of roller gear
Spur gear 23 between lower roller gear 22, intermediate gear 3 include coaxial pinion gear 31 and big above pinion gear 31
Gear 32, gear 11 are engaged with upper roller gear 21, and lower gear 12 is engaged with lower roller gear 22, spur gear 23 and two phases
Adjacent gear wheel 32 engages.
In the present embodiment, it referring to Fig. 2, is engaged by gear 11 with upper roller gear 21, lower gear 12 and lower roller
Gear 22 engages, and generates the radial force in the direction F3；Spur gear 23 is engaged with two adjacent gear wheels 32 respectively, generates F1 respectively
With the radial force in the direction F2；Roller gear 2 receives the active force in tri- directions F1, F2 and F3, by calculating learn F1, F2,
Be 0 with the resultant force of F3, thus roller gear 2 does not need other bearings and is supported, by roller gear 2 respectively with driving tooth
The radial force that engagement between wheel 1 and intermediate gear 3 generates realizes that the automatic prepressing of the roller gear 2 is tight and self-centering,
Compared to the frame mode of existing two-stage planet transmission, reduces the quantity of part, simplified structure.
Preferably, intermediate gear 3 is equipped with coaxial output gear 4, and driven gear ring 5 includes nibbling with output gear 4
The the first driven gear ring 51 closed and the second driven gear ring 52 engaged with pinion gear 31.The circumferencial direction of first driven gear ring 51
Equipped with the first cantilever 511, the circumferencial direction of the second driven gear ring 52 is equipped with the second cantilever 521, the first cantilever 511 and the second cantilever
521 connect through bolt assembly with the output shaft 7.
In the present embodiment, the output gear 4 is bolted in intermediate gear 3, the circumference of the first driven gear ring 51
Direction is equipped with the first cantilever 511, and the circumferencial direction of the second driven gear ring 52 is equipped with the second cantilever 521, the first cantilever 511 and second
Cantilever 521 is connect through bolt assembly with driven casing 15, and driven casing 15 gives power transfer through bolt assembly and terminal pad 16
Output shaft 7.The driven gear ring 5 of the drive mechanism is flexible gear ring, and driven gear ring 5 divide for the first driven gear ring 51 and second from
52 two parts of movable tooth circle engage with the first driven gear ring 51 and pinion gear 31 and the second driven gear ring 52 by output gear 4
The radial force that engagement generates makes gear edge generate radial deformation, promotes uniform load between each gear with this, is conducive to system
Kinetic characteristics reduce noise when working gear compared to the frame mode that more existing two-stage planet is driven.
Preferably, it is connected between upper roller gear 21, lower roller gear 22 and spur gear 23 using electron beam welding, through roller
Wheel gear locking nut axially position.
Preferably, it is connected between gear wheel 32 and pinion gear 31 using electron beam welding, and the recessed shoulder through being embedded in roller gear 2
Interior locking nut axially position.In the present embodiment, gear wheel 32 and pinion gear 31 are embedding by upper and lower two locking nuts 17
In carrying out axially position in the recessed shoulder 24 of roller gear 2.
Preferably, intermediate gear 3 is supported by roller bearing 8, the outer ring of roller bearing 8 through the inner baffle shoulder of intermediate gear 3 in
Axially position, and through spacer sleeve 9 to the axial compression of 8 outer ring of roller bearing；The inner ring of roller bearing 8 along intermediate gear 3 through taking turns
The shoulder block of the tooth rest 6 of axis direction setting is locked in axially position, and through roller bearing locking nut.Tooth rest 6 is through bolt group
Part is fixed on fixed casing 14, to prevent tooth rest 6 from rotating with respect to intermediate gear 3.In the present embodiment, roller bearing
8 be spheric roller bearing.In the present embodiment, the outer ring of the roller bearing 8 is through the inner baffle shoulder of intermediate gear 3 in axially fixed
Position, and through spacer sleeve 9 and output gear 4 to the axial compression of 8 outer ring of roller bearing.
Preferably, the spline 13 for power input is equipped between gear 11 and lower gear 12, output shaft 7, which is equipped with, to be used
In the spline of power output.
The working principle of the roller gear drive mechanism of the present embodiment is as follows:
When original state, gear 11 and upper roller gear 21 are engaged, lower gear 12 and the engagement of lower roller gear 22, straight-tooth
Wheel 23 is engaged with gear wheel 32, and output gear 4 is engaged with the first driven gear ring 51, and pinion gear 31 is nibbled with the second driven gear ring 52
It closes, the first driven gear ring 51 connect through connector with output shaft 7 with the second driven gear ring 52, and when work, power passes through driving tooth
Spline 13 on wheel 1 inputs, and driving gear 1 drives roller gear 2 to rotate, and roller gear 2 drives gear wheel 32 to rotate, gear wheel
32 drive pinion gears 31 and output gear 4 to rotate, and output gear 4 drives the first driven gear ring 51 to rotate, and pinion gear 31 drives the
Two driven gear rings 52 rotate, and the first driven gear ring 51 and the second driven gear ring 52 are connect through connector with driven casing 15, driven
Casing 15 through terminal pad 16 by power transfer to output shaft 7, and by the output spline on output shaft 7 by power output.
From above description it is known that the embodiment of the present invention by roller gear respectively with driving gear and intermediate gear
The radial force that engagement generates realizes self-centering and the pre-pressing of roller gear, and the existing two-stage planet of effective solution passes
The problem of constitutional detail is more, structure is complicated are passed, driven gear ring engages production with driven gear ring by intermediate gear using flexible gear ring
Raw radial force, which makes wheel rim generate radial deformation, reduces noise when working gear to promote the uniform load between each gear,
The effective solution problem that existing two-stage planet drive mechanism load is uneven and noise is big, in addition, the transmission knot
Structure part is few, light-weight, and transmission ratio is big, and stable drive and transmission efficiency are high.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of roller gear drive mechanism, which is characterized in that the roller gear drive mechanism includes providing power input
Driving gear (1), the multiple roller teeth engaged with the driving gear (1) being arranged along the driving gear (1) circumferencial direction
Take turns the intermediate gear (3) of (2), multiple roller gear (2) engagements adjacent with any two respectively, and with the intermediate gear
(3) the driven gear ring (5) engaged；
By the roller gear (2) respectively between the driving gear (1) and the intermediate gear (3) engaging generate
Radial force realizes the self-centering of the roller gear (2), and the driven gear ring (5) is flexible gear ring, passes through the driven gear ring
(5) radial force generated is engaged with the intermediate gear (3) to realize uniform load between each gear, the driven gear ring (5)
It is connect through connector with the output shaft (7) for power output, the driving gear (1) is arranged concentrically with the output shaft (7)；
The gear (11) and the lower gear below the gear (11) that the driving gear (1) includes coaxial setting
(12), the roller gear (2) includes coaxial upper roller gear (21), lower roller gear (22) and is arranged in-between
Spur gear (23), the intermediate gear (3) include coaxial pinion gear (31) and are located at big above the pinion gear (31)
Gear (32), the gear (11) are engaged with the upper roller gear (21), the lower gear (12) and the lower roller tooth
(22) engagement is taken turns, the spur gear (23) is engaged with two adjacent gear wheels (32).
2. roller gear drive mechanism according to claim 1, which is characterized in that
The intermediate gear (3) is equipped with coaxial output gear (4), and the driven gear ring (5) includes and the output
First driven gear ring (51) of gear (4) engagement and the second driven gear ring (52) engaged with the pinion gear (31).
3. roller gear drive mechanism according to claim 2, which is characterized in that
The circumferencial direction of the first driven gear ring (51) is equipped with the first cantilever (511), the circle of the second driven gear ring (52)
Circumferential direction is equipped with the second cantilever (521), and first cantilever (511) and the second cantilever (521) are through bolt assembly and the output
Axis (7) connection.
4. roller gear drive mechanism according to claim 1, which is characterized in that
Connect between the upper roller gear (21), lower roller gear (22) and the spur gear (23) using electron beam welding, warp
Roller gear locking nut axially position.
5. roller gear drive mechanism according to claim 1, which is characterized in that
It is connected between the gear wheel (32) and pinion gear (31) using electron beam welding, and through embedded in the roller gear (2)
Locking nut (17) axially position in recessed shoulder (24).
6. -5 any roller gear drive mechanism according to claim 1, which is characterized in that
The intermediate gear (3) is supported by roller bearing (8), and the outer ring of the roller bearing (8) is through the intermediate gear (3)
Inner baffle shoulder is in axially position, and through spacer sleeve (9) to the axial compression of the roller bearing (8) outer ring；
Shoulder block of the inner ring of the roller bearing (8) through the tooth rest (6) along the axis direction setting of the intermediate gear (3) wheel is in axis
It is locked to positioning, and through roller bearing locking nut.
7. roller gear drive mechanism according to claim 6, which is characterized in that
The tooth rest (6) is fixed on fixed casing (14) through bolt assembly, with prevent the tooth rest (6) it is relatively described in
Between gear (3) rotate.
8. roller gear drive mechanism according to claim 6, which is characterized in that
The roller bearing (8) is spheric roller bearing.
9. roller gear drive mechanism according to claim 1, which is characterized in that
The spline (13) for power input is equipped between the gear (11) and lower gear (12), on the output shaft (7)
Equipped with the spline for power output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611000279.9A CN106438855B (en) | 2016-11-14 | 2016-11-14 | Roller gear drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611000279.9A CN106438855B (en) | 2016-11-14 | 2016-11-14 | Roller gear drive mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106438855A CN106438855A (en) | 2017-02-22 |
| CN106438855B true CN106438855B (en) | 2019-01-22 |
Family
ID=58207780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611000279.9A Active CN106438855B (en) | 2016-11-14 | 2016-11-14 | Roller gear drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438855B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345233A (en) * | 2019-07-26 | 2019-10-18 | 江苏摩多利传动机械制造有限公司 | A kind of planetary reducer with deformation gear ring structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1100887A (en) * | 1964-10-08 | 1968-01-24 | United Aircraft Corp | A planet carrier for epicyclic gears |
| CN1036443A (en) * | 1987-12-03 | 1989-10-18 | 阿和姆卡普公司 | A kind of no gap reducing gear is especially for the reducing gear of adjusting various parts of seat of automobile vehicle |
| EP0559626A1 (en) * | 1992-03-04 | 1993-09-08 | Vanni Gallocchio | Planetary reduction unit |
| CN2182046Y (en) * | 1993-10-07 | 1994-11-09 | 童立平 | Gear engagement driving device for double cylinder screw arbor extruder |
| CN1100028A (en) * | 1993-04-15 | 1995-03-15 | 埃姆斯·英芬塔股份有限公司 | Planetary gear for a multiple-screw extruder |
| CN102661368A (en) * | 2012-04-22 | 2012-09-12 | 崔永兴 | Continuously variable transmission for dual planetary gear |
| CN204621824U (en) * | 2015-04-29 | 2015-09-09 | 饶瑞祥 | A kind of floor grinding mill gear-box with six roots of sensation output shaft |
| CN105351503A (en) * | 2015-11-13 | 2016-02-24 | 綦江县三川齿轮有限公司 | Gear transmission device |
-
2016
- 2016-11-14 CN CN201611000279.9A patent/CN106438855B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1100887A (en) * | 1964-10-08 | 1968-01-24 | United Aircraft Corp | A planet carrier for epicyclic gears |
| CN1036443A (en) * | 1987-12-03 | 1989-10-18 | 阿和姆卡普公司 | A kind of no gap reducing gear is especially for the reducing gear of adjusting various parts of seat of automobile vehicle |
| EP0559626A1 (en) * | 1992-03-04 | 1993-09-08 | Vanni Gallocchio | Planetary reduction unit |
| CN1100028A (en) * | 1993-04-15 | 1995-03-15 | 埃姆斯·英芬塔股份有限公司 | Planetary gear for a multiple-screw extruder |
| CN2182046Y (en) * | 1993-10-07 | 1994-11-09 | 童立平 | Gear engagement driving device for double cylinder screw arbor extruder |
| CN102661368A (en) * | 2012-04-22 | 2012-09-12 | 崔永兴 | Continuously variable transmission for dual planetary gear |
| CN204621824U (en) * | 2015-04-29 | 2015-09-09 | 饶瑞祥 | A kind of floor grinding mill gear-box with six roots of sensation output shaft |
| CN105351503A (en) * | 2015-11-13 | 2016-02-24 | 綦江县三川齿轮有限公司 | Gear transmission device |
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| Publication number | Publication date |
|---|---|
| CN106438855A (en) | 2017-02-22 |
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