CN108506427A - A kind of speed increaser and its working method suitable for high-power transmission - Google Patents
A kind of speed increaser and its working method suitable for high-power transmission Download PDFInfo
- Publication number
- CN108506427A CN108506427A CN201810547241.6A CN201810547241A CN108506427A CN 108506427 A CN108506427 A CN 108506427A CN 201810547241 A CN201810547241 A CN 201810547241A CN 108506427 A CN108506427 A CN 108506427A
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- CN
- China
- Prior art keywords
- gear
- casing
- shaft
- sun
- speed increaser
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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
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- 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
- F16H57/02—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)
- Retarders (AREA)
Abstract
The present invention provides a kind of speed increaser and its application method suitable for high-power transmission, including input shaft, the casing being placed on outside input shaft, and output shaft, the input shaft is driven by driving device and is rotated, the input shaft is fixedly connected with planet carrier, sun wheel shaft is equipped in the middle part of the casing, it is fixed with sun gear in the sun wheel shaft, the planet carrier upper edge input shaft axial restraint is connected with planet wheel spindle, the planetary gear engaged with sun gear to drive sun gear to rotate is arranged on the planet wheel spindle, the end of the sun wheel shaft towards output shaft is fixed with external toothing, one end of the output shaft towards sun wheel shaft is fixed with the output gear set engaged with external toothing, the mating surface of the external toothing and output gear set has back lash.The configuration of the present invention is simple, the fit clearance covered using back lash and external toothing and output gear, which can efficiently reduce speed increaser operation noise, keeps smooth running, effect of load balancing mechanism good.
Description
Technical field
The present invention relates to a kind of speed increasers and its application method suitable for high-power transmission.
Background technology
In speed increaser field, most headachy is that gross efficiency is relatively low and conduct dumb, noise in engagement process
Greatly, effect of load balancing mechanism is bad.
Invention content
The present invention improves the above problem, i.e., the technical problem to be solved by the present invention is to existing speed increasers to carry
Effect difference noise is big.
Specific embodiments of the present invention are：A kind of speed increaser suitable for high-power transmission, including input shaft, be placed on it is defeated
Enter the casing and output shaft outside axis, the input shaft is driven by driving device and rotated, and the input shaft is fixedly connected with planet
Frame, the casing middle part are equipped with sun wheel shaft, sun gear, the planet carrier upper edge input shaft axis are fixed in the sun wheel shaft
To planet wheel spindle is fixedly connected with, the planet engaged with sun gear to drive sun gear to rotate is arranged on the planet wheel spindle
Wheel, the end of the sun wheel shaft towards output shaft are fixed with external toothing, and one end of the output shaft towards sun wheel shaft is fixed
Have with the output gear set engaged with external toothing, the mating surface that the external toothing is covered with output gear is with back lash.
Further, the planet wheel outer surface has the gear teeth, and the ring gear with gear teeth meshing is provided in the casing,
It is buckled with retainer ring outside the ring gear, there is double wedge outside the ring gear, the casing includes outer housing and is set to output
The end cap of axis side, the end cap have towards the fixation inner toothed surface extended in casing, have outside the ring gear and internal tooth
The internal tooth casing of the external double wedge engagement of circle, the internal tooth casing inner surface rear side are additionally provided with the external tooth cover with tooth engagement in internal tooth casing,
The external tooth cover rear side end is engaged with fixed inner toothed surface.
Further, the internal tooth casing has back lash with ring gear.
Further, the sun gear is the duplex helical teeth sun gear that outer surface has opposite helical direction, the planet
Wheel is the double-planetary gear herringbone gear ring with the antispin direction engaged with sun wheel outer surface, and the internal tooth casing is in three
Two internal tooths of tooth set, the wherein front side of three internal tooth casing are engaged with the duplex herringbone gear ring of planetary gear respectively, described outer
Tooth set has two external tooths, and the inner toothed surface on rear side of the internal tooth casing and the outer flank of tooth on front side of external tooth cover coordinate, after the external tooth cover
The fixation inner toothed surface of the external tooth of side engages.
Further, the driving device is motor, and the output end of motor is through yielding coupling and input axis connection.
Further, input shaft, output shaft and casing coordinate by using cylindrical sliding bearing, planetary gear and planetary gear
Sliding bearing cooperation is also used between axis.
Further, planetary gear and sun gear tooth design are at dolioform.
The invention also includes a kind of speed increaser working methods suitable for high-power transmission, including the use of as described above one
Speed increaser kind suitable for high-power transmission, when work, the output end of motor is through yielding coupling and input axis connection, input shaft
The planet carrier of connection rotates synchronously, and the planet wheel drive sun gear rotation on planet carrier, sun gear will by the transmission of planetary gear
Torque transfer is to output shaft.
Compared with prior art, the invention has the advantages that：The configuration of the present invention is simple, using back lash and outside
The fit clearance of gear ring and output gear set, which can efficiently reduce speed increaser operation noise, keeps smooth running, effect of load balancing mechanism good, this
Fit on be originally the floating of internal tooth casing and external tooth cover in inventive embodiments engage to be formed mixing floating speed increaser can meet in big work(
Smooth transfer in rate high-speed planets operational process.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is structural schematic diagram at A in Fig. 1 of the present invention.
Specific implementation mode
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As shown in Fig. 1~2, a kind of speed increaser suitable for high-power transmission, including input shaft 10, be placed on outside input shaft 10
The casing 20 and output shaft 30 in portion, the input shaft 10 is by motor-driven rotation, in order to have preferable damping and effect of load balancing mechanism,
The output end of motor is connect through yielding coupling 101 with input shaft 10, and planet carrier 40 is fixedly connected on the input shaft, described
20 middle part of casing is equipped with sun wheel shaft 50, and sun gear 510, the input of 40 upper edge of the planet carrier are fixed in the sun wheel shaft 50
Axis axial restraint is connected with planet wheel spindle, is arranged on the planet wheel spindle with flank engagement outside sun gear driving sun gear
The planetary gear 410 of 510 rotations, sun gear are transmitted torque to output shaft by the transmission of planetary gear.
The layout of sun gear and planetary gear is similar to the prior art in the present embodiment but distinguishing characteristics is, the sun gear
The end of 510 axis towards output shaft 30 is fixed with external toothing 511, and one end of the output shaft towards sun wheel shaft, which is fixed with, to be had
The output gear set 310 engaged with external toothing, the external toothing 511 and the mating surface of output gear set 310 have back lash with shape
At floating space.
In the present embodiment, 410 outer surface of the planetary gear has the gear teeth 411, is provided with and the gear teeth 411 in the casing 20
The ring gear 60 of engagement, retainer ring is buckled with outside the ring gear 60, and 60 outside of the ring gear has double wedge 610, the casing
20 include outer housing 210 and are set to the end cap 220 of output shaft side, and the end cap 220, which has towards what is extended in casing, to be consolidated
Determine inner toothed surface 221,60 outside of the ring gear has the internal tooth casing 70 engaged with double wedge 610 outside ring gear, the internal tooth casing
It is additionally provided on rear side of inner surface and is nibbled with fixed inner toothed surface with the external tooth cover of tooth engagement in internal tooth casing 80, the external tooth cover side after 80s
It closes.
In the present embodiment, the external tooth cover rear side end is engaged with fixed inner toothed surface, and the internal tooth casing has with ring gear to be nibbled
Close gap.
In the present embodiment, the sun gear is the duplex helical teeth sun gear that outer surface has opposite helical direction（Outer surface
With two sections of flank of tooth）, the planetary gear is the double-planetary gear herringbone with the antispin direction engaged with sun wheel outer surface
Gear ring（Outer surface has two sections of flank of tooth）, the internal tooth casing is three internal tooth casings（Inner surface has three sections of flank of tooth）, described three
Two internal tooths of the wherein front side of internal tooth casing are engaged with the duplex herringbone gear ring of planetary gear respectively, and the external tooth cover has outside two
Tooth（Outer surface has two sections of flank of tooth）, the inner toothed surface of the internal tooth casing most rear side and the outer flank of tooth on front side of external tooth cover coordinate, described
The fixation inner toothed surface of the outer flank of tooth on rear side of external tooth cover engages.
In the present embodiment, speed increaser uses sun gear and internal tooth casing while the mixing floating structure of floating.It is sleeved on the sun
External toothing on wheel shaft is connected with the output gear set 310 on output shaft, and reaches sun gear floating by its back lash
Purpose.
60 surfaces externally and internally of ring gear is the flank of tooth, and the inner toothed surface of ring gear 60 is used to engage with planetary gear, ring gear 60
The outer flank of tooth for being engaged with internal tooth casing 70, the outer flank of tooth of ring gear 60 respectively with the first two inner toothed surface phase in three internal tooth casings 70
Engagement, to support ring gear 60, and by retainer ring by its axial restraint, and the third tooth set in three internal tooth casings is and duplex
External tooth cover 80 is meshed；The other end of the duplex external tooth cover 80 fixation inner toothed surface with the ring gear end cap being fixed on casing again
221 are meshed.
In practical reference, input shaft, output shaft and casing coordinate by using cylindrical sliding bearing, planetary gear and planet
Also use sliding bearing cooperation between wheel shaft, planetary gear and sun gear tooth design make load also can be along the facewidth at dolioform
Direction is uniformly distributed.
If aforementioned present invention is open or relates to the parts or structural member of connection fastened to each other, except as otherwise sound
It is bright outer, it is fixedly connected and can be understood as：Connection (such as being connected using bolt or screw) can be removedly fixed, can also manage
Xie Wei：It is non-removable to be fixedly connected with (such as riveting, welding), certainly, connection fastened to each other or integral structure (
Such as manufactured using casting technique is integrally formed) replace (obviously can not be using except integrally formed technique).
In addition, the art for indicating position relationship or shape applied in any technical solution disclosed in aforementioned present invention
Its meaning includes approximate with its, similar or close state or shape to language unless otherwise stated.
Either component provided by the invention by multiple individual component parts either assembled, or one
The separate part that forming technology manufactures.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
It can modify to the specific implementation mode of the present invention or equivalent replacement is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (8)
1. a kind of speed increaser suitable for high-power transmission, including input shaft, the casing and output shaft that are placed on outside input shaft,
It is characterized in that, the input shaft is driven by driving device and rotated, and the input shaft is fixedly connected with planet carrier, the casing middle part
Equipped with sun wheel shaft, sun gear is fixed in the sun wheel shaft, the planet carrier upper edge input shaft axial restraint is connected with row
Spider gear shaft is arranged with the planetary gear engaged with sun gear to drive sun gear to rotate, the sun wheel shaft on the planet wheel spindle
It is fixed with external toothing towards the end of output shaft, one end of the output shaft towards sun wheel shaft is fixed with to have and be nibbled with external toothing
The mating surface of the output gear set of conjunction, the external toothing and output gear set has back lash.
2. a kind of speed increaser suitable for high-power transmission according to claim 1, which is characterized in that outside the planetary gear
Surface has the gear teeth, and the ring gear with gear teeth meshing is provided in the casing, and retainer ring is buckled with outside the ring gear, described interior
It includes outer housing and the end cap for being set to output shaft side to have double wedge, the casing outside gear ring, and the end cap has direction
The interior fixation inner toothed surface extended of casing, the ring gear outside has the internal tooth casing engaged with double wedge outside ring gear, described interior
The external tooth cover with tooth engagement in internal tooth casing is additionally provided on rear side of tooth set inner surface, the external tooth cover rear side end is nibbled with fixed inner toothed surface
It closes.
3. a kind of speed increaser suitable for high-power transmission according to claim 2, which is characterized in that the internal tooth casing with
Ring gear has back lash.
4. a kind of speed increaser suitable for high-power transmission according to claim 2 or 3, which is characterized in that the sun
Wheel is the duplex helical teeth sun gear that outer surface has opposite helical direction, and the planetary gear is with being engaged with sun wheel outer surface
Antispin direction double-planetary gear herringbone gear ring, the internal tooth casing be three internal tooth casings, three internal tooth casing is wherein
Two internal tooths of front side are engaged with the duplex herringbone gear ring of planetary gear respectively, and the external tooth cover has two external tooths, the internal tooth
It covers the inner toothed surface of rear side and the outer flank of tooth on front side of external tooth cover coordinates, the fixation inner toothed surface engagement of the external tooth on rear side of the external tooth cover.
5. a kind of speed increaser suitable for high-power transmission according to claim 1, which is characterized in that the driving device
For motor, the output end of motor is through yielding coupling and input axis connection.
6. a kind of speed increaser suitable for high-power transmission according to claim 1, which is characterized in that input shaft, output
Axis coordinates with casing by using cylindrical sliding bearing, and sliding bearing cooperation is also used between planetary gear and planet wheel spindle.
7. a kind of speed increaser suitable for high-power transmission according to claim 3, which is characterized in that planetary gear and the sun
Tooth design is taken turns at dolioform.
8. a kind of speed increaser working method suitable for high-power transmission, which is characterized in that including the use of as claimed in claim 3
A kind of speed increaser suitable for high-power transmission, when work, the output end of motor is defeated through yielding coupling and input axis connection
The planet carrier for entering axis connection rotates synchronously, and the planet wheel drive sun gear rotation on planet carrier, sun gear is passed by planetary gear
It passs and transmits torque to output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810547241.6A CN108506427A (en) | 2018-05-31 | 2018-05-31 | A kind of speed increaser and its working method suitable for high-power transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810547241.6A CN108506427A (en) | 2018-05-31 | 2018-05-31 | A kind of speed increaser and its working method suitable for high-power transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108506427A true CN108506427A (en) | 2018-09-07 |
Family
ID=63402164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810547241.6A Pending CN108506427A (en) | 2018-05-31 | 2018-05-31 | A kind of speed increaser and its working method suitable for high-power transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108506427A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429991A (en) * | 2008-12-08 | 2009-05-13 | 中信重工机械股份有限公司 | Planet gear speed increaser for hydroelectric power generation |
| JP2010196772A (en) * | 2009-02-25 | 2010-09-09 | Mitsubishi Heavy Ind Ltd | Multistage type planetary gear transmission |
| WO2012127736A1 (en) * | 2011-03-23 | 2012-09-27 | 住友重機械工業株式会社 | Speed increasing gear for wind turbine |
| CN202545696U (en) * | 2012-03-30 | 2012-11-21 | 杭州前进齿轮箱集团股份有限公司 | High-power two-stage speed-increasing planet gearbox |
| CN103486203A (en) * | 2013-10-23 | 2014-01-01 | 中国船舶重工集团公司第七�三研究所 | End-connection type ordinary gear train transmission mechanism for power branching |
| CN208295046U (en) * | 2018-05-31 | 2018-12-28 | 福州大学 | A kind of speed increaser suitable for high-power transmission |
-
2018
- 2018-05-31 CN CN201810547241.6A patent/CN108506427A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429991A (en) * | 2008-12-08 | 2009-05-13 | 中信重工机械股份有限公司 | Planet gear speed increaser for hydroelectric power generation |
| JP2010196772A (en) * | 2009-02-25 | 2010-09-09 | Mitsubishi Heavy Ind Ltd | Multistage type planetary gear transmission |
| WO2012127736A1 (en) * | 2011-03-23 | 2012-09-27 | 住友重機械工業株式会社 | Speed increasing gear for wind turbine |
| CN202545696U (en) * | 2012-03-30 | 2012-11-21 | 杭州前进齿轮箱集团股份有限公司 | High-power two-stage speed-increasing planet gearbox |
| CN103486203A (en) * | 2013-10-23 | 2014-01-01 | 中国船舶重工集团公司第七�三研究所 | End-connection type ordinary gear train transmission mechanism for power branching |
| CN208295046U (en) * | 2018-05-31 | 2018-12-28 | 福州大学 | A kind of speed increaser suitable for high-power transmission |
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