CN104329416B - A kind of automatic transmission planetary gear device - Google Patents
A kind of automatic transmission planetary gear device Download PDFInfo
- Publication number
- CN104329416B CN104329416B CN201410579493.9A CN201410579493A CN104329416B CN 104329416 B CN104329416 B CN 104329416B CN 201410579493 A CN201410579493 A CN 201410579493A CN 104329416 B CN104329416 B CN 104329416B
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- CN
- China
- Prior art keywords
- shaft gear
- planet
- gear
- support body
- short shaft
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/46—Gearings having only two central gears, connected by orbital gears
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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
- F16H57/04—Features relating to lubrication or cooling or heating
-
- 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
- F16H57/082—Planet carriers
Abstract
A kind of automatic transmission planetary gear device, relates to a kind of epicyclic gearing.The present invention is to solve and existing draw the problem that wiener epicyclic gearing welding deformation amount is big, processing difficulties, precision are difficult to ensure that.Planet carrier is formed by connecting by welding manner by first planet support body and the second planet support body；First planet support body, as described long shaft gear and the holding structure of described short shaft gear one end；Second planet support body, as described long shaft gear and the holding structure of the other end of described short shaft gear；The circumference of first planet support body is provided with multiple welding boss, and welding boss is enclosed in the outside of short shaft gear, and the circumference of the second planet support body offers multiple welding elongated hole, and welding boss welds together with welding elongated hole one_to_one corresponding.First planet support body and the second planet support body are by being welded to connect, and so this planet carrier body only experiences and once welds, and welding deformation amount is little, processing is simple, thus improves the precision of planet support body.
Description
Technical field
The present invention relates to a kind of epicyclic gearing, be specifically related to a kind of automatic transmission planetary gear device, belong to automotive transmission technical field.
Background technology
Generally, automatic transmission uses La Weina epicyclic gearing, its planet carrier structure generally uses multiple welding to connect, face that welding deformation amount is big, processing difficulties, the problem that precision is difficult to ensure card, and the structure of planet carrier structure three block frame plate also can affect lubricating quality, gear is made to produce bigger noise.Wiener planet carrier association part is drawn to need substantial amounts of lubrication just to can ensure that the lubrication amount directly affecting other parts in service life, the structure of La Weina planet carrier.And the noise that the noise of automatic transmission is when being concentrated mainly on working gear, the noise-reducing work object that always automatic transmission noise reduction is paid close attention to of La Weina planet carrier.
Summary of the invention
The present invention is to solve and existing draw the problem that wiener epicyclic gearing welding deformation amount is big, processing difficulties, precision are difficult to ensure that, and then provide a kind of automatic transmission planetary gear device.
The present invention is to solve that above-mentioned technical problem is adopted the technical scheme that:
A kind of automatic transmission planetary gear device of the present invention includes planet carrier, first centre wheel, second centre wheel, multiple long shaft gears and multiple short shaft gear, it is coaxially disposed about the first centre wheel and the second centre wheel, first centre wheel engages with the multiple short shaft gear of its circumferential directions, short shaft gear multiple long shaft gear with the first centre wheel circumferential directions again engages, the axial length of long shaft gear is more than the axial length of short shaft gear, long shaft gear right-hand member vertically and the engagement of the second centre wheel, long shaft gear and short shaft gear are all arranged in planet carrier, long shaft gear is supported by long planet gear axle and can rotate, short shaft gear is supported by short planet gear axle and can rotate, long planet gear axle and short planet gear axle are fixed in planet carrier；
Described planet carrier is formed by connecting by welding manner by first planet support body and the second planet support body；
First planet support body, as described long shaft gear and the holding structure of described short shaft gear one end；Second planet support body, as described long shaft gear and the holding structure of the other end of described short shaft gear；
The circumference of first planet support body is provided with multiple welding boss, and welding boss is enclosed in the outside of short shaft gear, and the circumference of the second planet support body offers multiple welding elongated hole, and welding boss welds together with welding elongated hole one_to_one corresponding；
The second external side of planet carrier is machined with the first spline and the second spline.
First planet support body and the second planet support body are by being welded to connect, and so this planet carrier body only experiences and once welds, and welding deformation amount is little, processing is simple, thus improves the precision of planet support body.
Preferred: described first planet support body annular array has multiple short shaft gear frame plate and multiple major axis gear frame plate, short shaft gear frame plate and major axis gear frame plate are arranged alternately, and all offer axis hole, long planet gear axle and short planet gear axle on short shaft gear frame plate and major axis gear frame plate and be separately fixed at by riveting in the axis hole of major axis gear frame plate and the axis hole of short shaft gear frame plate.It is arranged such, it is simple to mounting and adjusting.
In order to solve the problem that in La Weina epicyclic gearing running, lubricating quality difference is big with operating noise, all offering groove by each short shaft gear frame plate of automatic transmission planetary gear device of the present invention, short shaft gear frame plate is with major axis gear frame plate the most in the same plane.Generally frame plate connects, the frame plate being in centre inherently hinders the flowing of lubricating oil, is designed as the most in the same plane by short shaft gear frame plate and major axis gear frame plate, can effectively remove this obstacle, lubricant effect is greatly improved, existing 150cc/min brings up to 500cc/min.Meanwhile, the guarantee of planet carrier precision and be centered around outside short shaft gear by opening groove and another solder-bump, another short shaft gear keeps frame plate and major axis retainer for gear plate that noise and the vibration of planetary mechanism can be greatly decreased the most in the same plane.
Preferred: the quantity of described long shaft gear and short shaft gear is 3 or 4.
Preferred: the quantity of described welding boss and welding elongated hole is 3 or 4.
The present invention compared with prior art has the effect that
A kind of automatic transmission planetary gear device welding deformation amount of the present invention is little, processing is simple, precision is enough to ensure that, and lubricant effect is greatly improved, existing 150cc/min bring up to 500cc/min.Meanwhile, the guarantee of planet carrier precision and be centered around outside short shaft gear by opening groove and another solder-bump, another short shaft gear keeps frame plate and major axis retainer for gear plate that noise and the vibration of planetary mechanism can be greatly decreased the most in the same plane.
Accompanying drawing explanation
Fig. 1 is epicyclic gearing structural representation of the present invention；
Fig. 2 is the line A-A schematic cross-section along Fig. 1；
Fig. 3 is the line B-B schematic cross-section along Fig. 1；
Fig. 4 is epicyclic gearing schematic perspective view of the present invention；
Fig. 5 is first planet frame structure figure；
Fig. 6 is the second planet support body structure chart；
In figure: 2-planet carrier；3-the first centre wheel；The short shaft gear of 4-；The long shaft gear of 5-；6-the second centre wheel；7-short planet gear axle；8-long planet gear axle；9-welds boss；10-first planet support body；11-short shaft gear frame plate；12-major axis gear frame plate；13-groove；14-the second planet support body；15-the first spline；16-the second spline；17-welds elongated hole.
Detailed description of the invention
nullDetailed description of the invention: combine Fig. 1 to Fig. 6 and illustrate，A kind of automatic transmission planetary gear device of present embodiment includes planet carrier 2、First centre wheel 3、Second centre wheel 6、Three long shaft gears 5 and three short shaft gears 4，First centre wheel 3 is coaxially disposed with the second centre wheel about 6，First centre wheel 3 engages with the three of its circumferential directions short shaft gears 4，Short shaft gear 4 engages with three long shaft gears 5 of the first centre wheel 3 circumferential directions again，The axial length of long shaft gear 5 is more than the axial length of short shaft gear 4，Long shaft gear 5 right-hand member vertically and the second centre wheel 6 engage，Long shaft gear 5 is all arranged in planet carrier 2 with short shaft gear 4，Long shaft gear 5 is supported by long planet gear axle 8 and can rotate，Short shaft gear 4 is supported by short planet gear axle 7 and can rotate，Long planet gear axle 8 and short planet gear axle 7 are fixed in planet carrier 2；Described planet carrier 2 is formed by connecting by welding manner by first planet support body 10 and the second planet support body 14；First planet support body 10, as described long shaft gear and the holding structure of described short shaft gear one end；Second planet support body 14, as described long shaft gear and the holding structure of the other end of described short shaft gear；The circumference of first planet support body 10 is provided with three welding boss 9, and welding boss 9 is enclosed in the outside of short shaft gear 4, and the circumference of the second planet support body 14 offers three welding elongated holes 17, and welding boss 9 welds together with welding elongated hole 17 one_to_one corresponding；The first spline 15 and the second spline 16 it is machined with outside second planet support body 14.First planet support body 10 and the second planet support body 14 are by being welded to connect, and so this planet carrier body only experiences and once welds, and welding deformation amount is little, processing is simple, thus improves the precision of planet support body.
Described first planet support body 10 annular array has three short shaft gear frame plates 11 and three major axis gear frame plates 12, short shaft gear frame plate 11 and major axis gear frame plate 12 are arranged alternately, and all offer axis hole, long planet gear axle 8 and short planet gear axle 7 on short shaft gear frame plate 11 and major axis gear frame plate 12 and be separately fixed at by riveting in the axis hole of major axis gear frame plate 12 and the axis hole of short shaft gear frame plate 11.It is arranged such, it is simple to mounting and adjusting.
The other groove 13 that all offers of each short shaft gear frame plate 11 of automatic transmission planetary gear device, short shaft gear frame plate 11 is with major axis gear frame plate 12 the most in the same plane.Generally frame plate connects, the frame plate being in centre inherently hinders the flowing of lubricating oil, is designed as the most in the same plane by short shaft gear frame plate 11 with major axis gear frame plate 12, can effectively remove this obstacle, lubricant effect is greatly improved, existing 150cc/min brings up to 500cc/min.Meanwhile, the guarantee of planet carrier precision and be centered around outside short shaft gear 4 by opening groove 13 and another solder-bump 9, another short shaft gear keeps frame plate 11 and major axis retainer for gear plate 12 that noise and the vibration of planetary mechanism can be greatly decreased the most in the same plane.
Present embodiment is the exemplary illustration to this patent, does not limit its protection domain, and its local can also be changed, as long as no the spirit beyond this patent, all in the protection domain of this patent by those skilled in the art.
Claims (6)
- null1. an automatic transmission planetary gear device，Including planet carrier (2)、First centre wheel (3)、Second centre wheel (6)、Multiple long shaft gears (5) and multiple short shaft gear (4)，First centre wheel (3) is coaxially disposed with the second centre wheel (6) left and right，First centre wheel (3) engages with the multiple short shaft gear (4) of its circumferential directions，Short shaft gear (4) engages with the multiple long shaft gear (5) of the first centre wheel (3) circumferential directions again，The axial length of long shaft gear (5) is more than the axial length of short shaft gear (4)，Long shaft gear (5) right-hand member vertically and the second centre wheel (6) engagement，Long shaft gear (5) and short shaft gear (4) are all arranged in planet carrier (2)，Long shaft gear (5) is supported by long planet gear axle (8) and can rotate，Short shaft gear (4) is supported by short planet gear axle (7) and can rotate，Long planet gear axle (8) and short planet gear axle (7) are fixed in planet carrier (2)；It is characterized in that: described planet carrier (2) is formed by connecting by welding manner by first planet support body (10) and the second planet support body (14)；First planet support body (10), as described long shaft gear and the holding structure of described short shaft gear one end；Second planet support body (14), as described long shaft gear and the holding structure of the other end of described short shaft gear；The circumference of first planet support body (10) is provided with multiple welding boss (9), welding boss (9) is enclosed in the outside of short shaft gear (4), offering multiple welding elongated hole (17) on the circumference of the second planet support body (14), welding boss (9) welds together with welding elongated hole (17) one_to_one corresponding；Second planet support body (14) outside is machined with the first spline (15) and the second spline (16).
- A kind of automatic transmission planetary gear device the most according to claim 1, it is characterized in that: described first planet support body (10) annular array has multiple short shaft gear frame plate (11) and multiple major axis gear frame plate (12), short shaft gear frame plate (11) and major axis gear frame plate (12) are arranged alternately, and all offer axis hole on short shaft gear frame plate (11) and major axis gear frame plate (12), long planet gear axle (8) and short planet gear axle (7) are separately fixed at by riveting in the axis hole of major axis gear frame plate (12) and the axis hole of short shaft gear frame plate (11).
- A kind of automatic transmission planetary gear device the most according to claim 2, it is characterised in that: the other groove (13) that all offers of each short shaft gear frame plate (11), short shaft gear frame plate (11) is with major axis gear frame plate (12) the most in the same plane.
- A kind of automatic transmission planetary gear device the most according to claim 3, it is characterised in that: the lower section of described each short shaft gear frame plate (11) is equipped with groove.
- A kind of automatic transmission planetary gear device the most according to claim 1, it is characterised in that: the quantity of described long shaft gear (5) and short shaft gear (4) is 3 or 4.
- A kind of automatic transmission planetary gear device the most according to claim 4, it is characterised in that: the quantity of described welding boss (9) and welding elongated hole (17) is 3 or 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579493.9A CN104329416B (en) | 2014-10-27 | 2014-10-27 | A kind of automatic transmission planetary gear device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579493.9A CN104329416B (en) | 2014-10-27 | 2014-10-27 | A kind of automatic transmission planetary gear device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104329416A CN104329416A (en) | 2015-02-04 |
| CN104329416B true CN104329416B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410579493.9A Active CN104329416B (en) | 2014-10-27 | 2014-10-27 | A kind of automatic transmission planetary gear device |
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| Country | Link |
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| CN (1) | CN104329416B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221721A (en) * | 2015-10-13 | 2016-01-06 | 哈尔滨东安汽车发动机制造有限公司 | A kind of planetary carrier |
| CN107178606B (en) * | 2017-06-07 | 2024-03-22 | 无锡市恒特力金属制品有限公司 | Planet gear rack |
| CN107664579A (en) * | 2017-11-20 | 2018-02-06 | 哈尔滨东安汽车发动机制造有限公司 | Transmission gear, which is uttered long and high-pitched sounds, engages order extraction and decision method |
Citations (8)
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| CN101387336A (en) * | 2007-09-12 | 2009-03-18 | Gkn动力传动国际有限公司 | Limited slip differential with end teeth |
| CN201351714Y (en) * | 2008-11-27 | 2009-11-25 | 国茂减速机集团有限公司 | Dead shaft type multi-level planet gear speed reducer |
| JP2010181012A (en) * | 2009-02-09 | 2010-08-19 | Honda Motor Co Ltd | Planetary carrier |
| CN201826842U (en) * | 2010-08-11 | 2011-05-11 | 西安煤矿机械有限公司 | Coal-winning machine reducer planet carrier |
| CN103363082A (en) * | 2012-04-04 | 2013-10-23 | 金属成型及铸币公司 | Torque transmitting assembly and method of producing |
| CN103574001A (en) * | 2012-07-30 | 2014-02-12 | 福特全球技术公司 | Pinion carrier assembly |
| DE102012216445A1 (en) * | 2012-09-14 | 2014-03-20 | Schaeffler Technologies Gmbh & Co. Kg | Planetary gear e.g. differential gear box, for motor car, has driving wheel arranged in flange region, and planet carrier positioned in functional areas and radially provided in inner side of driving wheel |
| JP2014077487A (en) * | 2012-10-10 | 2014-05-01 | Unipres Corp | Carrier plate in carrier for planetary gear mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4437547B2 (en) * | 2005-11-17 | 2010-03-24 | トヨタ自動車株式会社 | Planetary gear device and drive device including the same |
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2014
- 2014-10-27 CN CN201410579493.9A patent/CN104329416B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101387336A (en) * | 2007-09-12 | 2009-03-18 | Gkn动力传动国际有限公司 | Limited slip differential with end teeth |
| CN201351714Y (en) * | 2008-11-27 | 2009-11-25 | 国茂减速机集团有限公司 | Dead shaft type multi-level planet gear speed reducer |
| JP2010181012A (en) * | 2009-02-09 | 2010-08-19 | Honda Motor Co Ltd | Planetary carrier |
| CN201826842U (en) * | 2010-08-11 | 2011-05-11 | 西安煤矿机械有限公司 | Coal-winning machine reducer planet carrier |
| CN103363082A (en) * | 2012-04-04 | 2013-10-23 | 金属成型及铸币公司 | Torque transmitting assembly and method of producing |
| CN103574001A (en) * | 2012-07-30 | 2014-02-12 | 福特全球技术公司 | Pinion carrier assembly |
| DE102012216445A1 (en) * | 2012-09-14 | 2014-03-20 | Schaeffler Technologies Gmbh & Co. Kg | Planetary gear e.g. differential gear box, for motor car, has driving wheel arranged in flange region, and planet carrier positioned in functional areas and radially provided in inner side of driving wheel |
| JP2014077487A (en) * | 2012-10-10 | 2014-05-01 | Unipres Corp | Carrier plate in carrier for planetary gear mechanism |
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| Publication number | Publication date |
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| CN104329416A (en) | 2015-02-04 |
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