CN201944243U - Flexible shaft structure - Google Patents
Flexible shaft structure Download PDFInfo
- Publication number
- CN201944243U CN201944243U CN 201120006650 CN201120006650U CN201944243U CN 201944243 U CN201944243 U CN 201944243U CN 201120006650 CN201120006650 CN 201120006650 CN 201120006650 U CN201120006650 U CN 201120006650U CN 201944243 U CN201944243 U CN 201944243U
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- CN
- China
- Prior art keywords
- planetary
- planet
- bearing
- wheel
- gear
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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.)
- Expired - Lifetime
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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
- F16H1/2809—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet-wheels
- F16H1/2836—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet-wheels by allowing limited movement of the planets relative to the planet carrier or by using free floating planets
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
A flexible shaft structure mainly consists of a planetary pin, a planetary shaft, nuts, a planetary wheel, a planetary frame and a bearing, wherein the planetary pin is sheathed in the planetary shaft; the planetary wheel which can be meshed with a sun wheel is installed on the planetary shaft through the bearing; the planetary pin is fixed on the planetary frame through the locking nut so as to form a cantilever structure; the planetary shaft is matched with the nut which can be screwed; and the bearing is fixed on the planetary shaft through the locking nut. For a multi-planetary gear case adopting the flexible shaft structure, the meshing malposition of planetary gears can be greatly reduced, the bearing capacity of each planetary gear can be the same, and the service life of a gearbox can be prolonged, and the properties of the gearbox can be improved.
Description
Technical field
The utility model relates to a kind of flexible shaft structure that is used in the megawatt level wind power generation gear-box, belong to a kind of power transmission arrangment.
Background technique
At present, the MW class wind turbine group has become the mainstream model of world's wind-power electricity generation, because Market competition, requires reliability height, the volume of wind power generating set little, cost is low.And the wind-powered electricity generation gear-box supporting important mechanical part that is wind power generating set, to the higher reliability of gear-box and structure more the demand of concision and compact also become more and more urgent.
Traditional wind-powered electricity generation gear-box is made up of Gear Planet Transmission and ordinary transmission, wherein planetary stage generally has 3～4 planet wheels, planet axis and planet carrier are to rigidly fix, form 2 supporting structures, if there is certain error in planet carrier processing, can cause that so not only the transmission of multirow star-wheel all carries design problem, and the reliability of gear-box reduces, volume is also very huge.Thus, we have proposed multirow star-wheel flexible shaft gear-box, can make gear housing long-pending little, in light weight, reliability is high.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists, can solve the transmission of multirow star-wheel preferably and problem such as all carry and provide a kind of, can reduce the volume and weight of gear-box, satisfy the flexible shaft structure of characteristics such as megawatt-level wind gear-box volume is little, in light weight, reliability height.
The purpose of this utility model is finished by following technical solution, it mainly is made up of planet pin, planet axis, nut, locking nut, planet wheel, planet carrier, bearing, described planet guide is gone in a planet axis, on planet axis by Bearing Installation have can with the planet wheel of sun gear and gear ring engagement, described planet pin is fixed on the planet carrier with locking nut and forms a cantilever structure.
Dispose the nut that spins on the described planet axis, and described nut with bearing fixing on described planet axis.
The utility model solves the transmission of multirow star-wheel preferably and problem such as all carries, and can reduce the volume and weight of gear-box, has satisfied characteristics such as megawatt-level wind gear-box volume is little, in light weight, reliability height.Adopt the multirow star gear-box of flexible shaft structure, can reduce the magnitude of misalignment of planetary pinion engagement greatly, regulate making each planetary pinion bearing capacity identical by flexible shaft automatically, improve the life-span and the performance of gear-box.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a user mode structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail: shown in Figure 1, the utility model mainly is made up of planet pin 1, planet axis 2, nut 3, locking nut 7, planet wheel 5, planet carrier 6, bearing 4, described planet pin 1 is inserted in a planet axis 2, on planet axis 2 by bearing 4 be equipped with can with the planet wheel 5 of a sun gear and gear ring engagement, described planet pin 1 usefulness locking nut 7 is fixed on the planet carrier 6 and forms a cantilever structure.
Dispose the nut 3 that is spinning on the described planet axis 2, and described nut 3 is fixed on bearing 4 on the described planet axis 2.
Described planet pin 1 is inserted in planet axis 2, and bearing 4 and planet wheel 5 are installed on planet axis 2, then above-mentioned parts is fixed on the planet carrier 6 by planet pin 1 usefulness locking nut 7, forms a cantilever structure.Traditional multirow star-wheel gear-box might cause the dislocation of planet wheel engagement, makes each planet wheel carrying uneven.And the multirow star-wheel gear-box of employing flexible shaft technology can reduce the magnitude of misalignment that planet wheel meshes greatly, makes each planet wheel bearing capacity identical, improves the life-span and the performance of gear-box.
In specific embodiment, adopt the flexible shaft structure, as Fig. 1, in the time of can guaranteeing the engagement of a plurality of planet wheels and sun gear and gear ring, make the bearing capacity of each planet wheel identical by automatic adjusting of flexible shaft, therefore also guaranteed the life-span of gear-box.When planet wheel and sun gear engagement, planet wheel is subjected to power upwards, resiliently deformable takes place in the planet pin under the effect of power, its displacement amount is S, and the displacement amount that planet axis and planet wheel produce thereupon to make the gear engagement magnitude of misalignment be zero, see shown in Figure 2 thereby reach each planet wheel engagement bearing capacity automatic load sharing.
Claims (2)
1. flexible shaft structure, it is characterized in that: it mainly is made up of planet pin (1), planet axis (2), nut (3), locking nut (7), planet wheel (5), planet carrier (6), bearing (4), it is characterized in that described planet pin (1) is inserted in a planet axis (2), planet axis (2) go up by bearing (4) be equipped with can with the planet wheel (5) of a sun gear and gear ring engagement, it is last and form a cantilever structure that described planet pin (1) is fixed on planet carrier (6) with locking nut (7).
2. flexible shaft structure according to claim 1, it is characterized in that: dispose the nut (3) that spins on the described planet axis (2), and described nut (3) is fixed on bearing (4) on the described planet axis (2), goes up by bearing (4) in planet axis (2) planet wheel (5) that can mesh with a sun gear and gear ring is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120006650 CN201944243U (en) | 2011-01-11 | 2011-01-11 | Flexible shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120006650 CN201944243U (en) | 2011-01-11 | 2011-01-11 | Flexible shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201944243U true CN201944243U (en) | 2011-08-24 |
Family
ID=44471586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120006650 Expired - Lifetime CN201944243U (en) | 2011-01-11 | 2011-01-11 | Flexible shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201944243U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563022A (en) * | 2012-02-03 | 2012-07-11 | 江苏省金象传动设备股份有限公司 | Flexible planet carrier of vertical mill speed reducer |
| CN103104690A (en) * | 2013-02-05 | 2013-05-15 | 杭州前进齿轮箱集团股份有限公司 | Elastic support structure of planet wheel |
| CN103352941A (en) * | 2013-04-18 | 2013-10-16 | 芜湖伯特利汽车安全系统有限公司 | Electronic parking actuator for motor vehicle braking system |
| CN107178582A (en) * | 2017-05-31 | 2017-09-19 | 南京航空航天大学 | A kind of planetary transmission with variable cross-section flexible pin shaft |
| CN110529403A (en) * | 2019-08-30 | 2019-12-03 | 青岛乐家电器有限公司 | The double-deck flabellum component and fan comprising the bilayer flabellum component |
| CN111022615A (en) * | 2019-12-23 | 2020-04-17 | 湘潭大学 | Novel flexible pin shaft load balancing structure for eliminating planet wheel axial inclination angle |
-
2011
- 2011-01-11 CN CN 201120006650 patent/CN201944243U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563022A (en) * | 2012-02-03 | 2012-07-11 | 江苏省金象传动设备股份有限公司 | Flexible planet carrier of vertical mill speed reducer |
| CN102563022B (en) * | 2012-02-03 | 2014-07-09 | 江苏省金象传动设备股份有限公司 | Flexible planet carrier of vertical mill speed reducer |
| CN103104690A (en) * | 2013-02-05 | 2013-05-15 | 杭州前进齿轮箱集团股份有限公司 | Elastic support structure of planet wheel |
| CN103352941A (en) * | 2013-04-18 | 2013-10-16 | 芜湖伯特利汽车安全系统有限公司 | Electronic parking actuator for motor vehicle braking system |
| CN103352941B (en) * | 2013-04-18 | 2017-02-08 | 芜湖伯特利汽车安全系统股份有限公司 | Electronic parking actuator for motor vehicle braking system |
| CN107178582A (en) * | 2017-05-31 | 2017-09-19 | 南京航空航天大学 | A kind of planetary transmission with variable cross-section flexible pin shaft |
| CN110529403A (en) * | 2019-08-30 | 2019-12-03 | 青岛乐家电器有限公司 | The double-deck flabellum component and fan comprising the bilayer flabellum component |
| CN111022615A (en) * | 2019-12-23 | 2020-04-17 | 湘潭大学 | Novel flexible pin shaft load balancing structure for eliminating planet wheel axial inclination angle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110824 |
|
| CX01 | Expiry of patent term |