CN202867721U - Offshore wind power generation yaw reducer - Google Patents
Offshore wind power generation yaw reducer Download PDFInfo
- Publication number
- CN202867721U CN202867721U CN2012205460084U CN201220546008U CN202867721U CN 202867721 U CN202867721 U CN 202867721U CN 2012205460084 U CN2012205460084 U CN 2012205460084U CN 201220546008 U CN201220546008 U CN 201220546008U CN 202867721 U CN202867721 U CN 202867721U
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- Prior art keywords
- power generation
- wind power
- planetary gear
- motor
- gear set
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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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- 238000010248 power generation Methods 0.000 title claims abstract description 21
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model relates to an offshore wind power generation yaw reducer which comprises a motor and a machine shell which is connected with a motor seat below the motor. The offshore wind power generation yaw reducer is characterized in that five levels of planet gear groups are arranged in the machine shell and sequentially linked and arranged along the axle wire of a main shaft of the motor, wherein a fifth planet carrier of a fifth planet gear group is in transmission with an output shaft, and the output shaft and an open-type gear below the output shaft are an integral structure. The offshore wind power generation yaw reducer has the technical advantages of being compact and stable in structure, large in torsion, high in transmission efficiency, low in cost, and suitable for sea wind power generation, and the like.
Description
Technical field
The utility model relates to a kind of retarder, particularly relates to a kind of Oversea wind power generation yawing speed reducer.
Background technique
Wind-power electricity generation is new energy with the fastest developing speed in the world wide, wherein Oversea wind power generation was not then needed fuel so that it has, did not account for the arable land, did not pollute, operating cost is low, can not produce the main flow that the advantages such as radiation or atmospheric pollution become wind-power electricity generation.
The wind energy resources of China is abundant, wind energy content 1,000,000,000 KW that can develop, the wherein liftoff 10m high computational in the about 2.53 hundred million KW(lands of land wind energy content), but about 7.5 hundred million KW of the wind energy content of sea development and utilization.And present land wind field is limited, and powerful wind driven generator yaw retarder is also in research and development, so limited generated energy.Deposits in Eastern Coastal China particularly tidal flat of Jiangsu Province and coastal waters has the extraordinary condition of exploitation wind-powered electricity generation, and the primary condition of scale exploitation possesses.According to China Meteorological Administration's wind energy resources detailed survey initial achievements, but record 5 meters to 25 meters water depth lines of China with interior greater coasting area, about 200,000,000 kilowatts of 50 meters height wind-powered electricity generation electric motor power more than the sea level, but about 500,000,000 kilowatts of electric motor power more than 70 meters.Therefore, take full advantage of offshore wind energy resource, improve greatly generated energy, the development of offshore wind power equipment industry to Economic Growth be very important a bit, this also is the development model that sustainable development is widelyd popularize.
At present, the used capital equipment of wind-power electricity generation is wind-driven generator, the wind-power generating yaw retarder is used for the yaw system of wind-driven generator, being used for adjusting turning in order to obtain maximum wind-force of wind-power electricity generation machine head originates, it is one of requisite device in the wind power generator control system, and the generated energy size that produces for wind-driven generator has extremely important effect.But, because the wind speed of marine wind electric field is higher than the wind speed of landwid electric field far away, require highly reliable, the easy installation of equipment, easy care, therefore, the wind-power generating yaw retarder that generally adopts at present can not be applicable to the Oversea wind power generation industry.
Summary of the invention
The purpose of this utility model just is to provide a kind of structure uniqueness, process innovation, the Oversea wind power generation yawing speed reducer that cost is low, transmission efficiency is high.
For realizing that the technological scheme that above-mentioned model utility purpose is taked is:
A kind of Oversea wind power generation yawing speed reducer, comprise the casing that motor and the motor cabinet that is connected the motor below connect, it is characterized in that: in casing, along connecting successively on the medial axis of described electric machine main shaft the Pyatyi planetary gear set is installed, wherein the fifth line star frame of level V planetary gear set and output shaft are by spline drived, and the exposed gear of this output shaft and its below is structure as a whole.
Described casing is comprised of upper machine body, support I, support II and lower body, wherein the internal gear of upper machine body and first, second, and third grade of planetary gear set is structure as a whole, support I(21) and support II between be connected with the internal gear of fourth stage planetary gear set.
Every grade of above-mentioned planetary gear set all by the sun gear on the medial axis, be located at around the sun gear and form with the planet wheel of its engagement, the planet carrier and the internal gear that support planet wheel.
Described planet wheel is 3-4, is evenly distributed on around the sun gear.
Described Pyatyi planetary gear set is to be connected with motor-driven by the female connector that install at the motor cabinet center.
The utlity model has following technical characterstic:
1, the unique innovation of structure: the utility model is applied to Pyatyi 2k-H planetary gear construction on the Oversea wind power generation yawing speed reducer first, and casing and internal gear are overall structure, adds man-hours two internal gears and once is inserted into, and precision is high, the saving machining period.
2, increase moment of torsion and minimizing speed, be fit to the marine yaw speed of 2.5MW.The utility model adopts the Pyatyi transmission: the device motor that the utility model provides transfers torque to first order planetary gear set by motor cabinet and female connector, pass to again second level planetary gear set, be delivered to third level planetary gear set, three grades of internal gears and upper machine body are structure as a whole again.Be delivered to fourth stage planetary gear set again, be delivered to the level V planetary gear set again, the level V planet carrier is delivered to output shaft by spline, and output shaft and exposed gear are made of one, and is delivered to exposed gear so be equal to.
3, compact structure adds man-hour one secondary internal gear and once is inserted into, and precision is high, saves machining period, and planet wheel one secondary can share, and one two three grades share upper machine bodies, reduce the quantity of beating bolt hole, the assembly process minimizing.
4, exposed gear and output shaft are made of one, and reduce technique, reduce exposed gear because of the cost of locating and transmission brings, and can reduce assembly process.
5, technological innovation: the equal carrier technology of binary method that the utility model has adopted sun gear, planet carrier to float, improve meshing performance, reduced the uneven coefficient that carries, can regulate load like this, remedy the uneven load that machining error is brought.
6, fourth stage gear ring reduces and forges difficulty with two supports back-to-back, and support can reduce cost with foundry goods.
In sum, Oversea wind power generation yawing speed reducer of the present utility model has compact structure, stable, and moment of torsion is large, and transmission efficiency is high, and the low technological merit that waits of cost is applicable to Oversea wind power generation and uses.
Description of drawings
Fig. 1 is the structural representation sketch of the utility model Oversea wind power generation yawing speed reducer.
Embodiment
Oversea wind power generation yawing speed reducer of the present utility model comprises motor 14, and the below of motor 14 is equipped with motor cabinet 12, on the motor cabinet 12 casing is installed, and described casing is comprised of upper machine body 16, support I21, support II23 and lower body 26.Female connector 13 is installed on the medial axis of the middle part of motor cabinet 12---electric machine main shaft, and the below of female connector 13 is connected and installed with the Pyatyi planetary gear set successively.Described every grade of planetary gear set all by the sun gear of intermediate portion, be installed in around the sun gear and the planet wheel that is engaged with, planet carrier and the internal gear that supports planet wheel form, planet wheel is generally 3-4, is evenly distributed on around the sun gear.Wherein the internal gear of the first order, the second level and third level planetary gear set and upper machine body 16 are structure as a whole, the internal gear of fourth stage planetary gear set connects back-to-back with above-mentioned support I21, support II23, the planet carrier 25 of level V planetary gear set and output shaft 27 with by spline drived, output shaft 27 is structure as a whole with the logical exposed gear 1 that covers 2 bottoms.It is logical that to cover 2 are the mechanisms that are used for sealed enclosure that are connected on the lower body 26.
Above-mentioned every grade of planetary gear set is specially: first order planetary gear set is by first order sun gear 15, first order planet wheel 11, upper machine body 16 and 17 cooperations of first order planet carrier form, second level planetary gear set is by second level sun gear 18, second level planet wheel 10, upper machine body 16 and 19 cooperations of second level planet carrier form, third level planetary gear set is by third level sun gear 20, third level planet wheel 9, upper machine body 16 and 8 cooperations of third level planet carrier form, fourth stage planetary gear set is by fourth stage sun gear 7, fourth stage planet wheel 6, internal gear 22 and 5 cooperations of fourth stage planet carrier form, and the level V planetary gear set is by level V sun gear 3, level V planet wheel 4, level V internal gear 23 and 25 cooperations of level V planet carrier form.
Claims (5)
1. Oversea wind power generation yawing speed reducer, comprise the casing that motor (14) and the motor cabinet (12) that is connected the motor below connect, it is characterized in that: in casing, along connecting successively on the medial axis of described motor (14) main shaft the Pyatyi planetary gear set is installed, wherein the fifth line star frame (25) of level V planetary gear set passes through spline drived with output shaft (27), and this output shaft (27) is structure as a whole with the exposed gear (1) of its below.
2. according to Oversea wind power generation yawing speed reducer claimed in claim 1, it is characterized in that: described casing is by upper machine body (16), support I(21), support II(23) and lower body (26) form, wherein the internal gear of upper machine body (16) and first, second, and third grade of planetary gear set is structure as a whole support I(21) and support II(23) between be connected with the internal gear of fourth stage planetary gear set.
3. according to Oversea wind power generation yawing speed reducer claimed in claim 1, it is characterized in that: every grade of above-mentioned planetary gear set all by the sun gear on the medial axis, be located at around the sun gear and form with the planet wheel of its engagement, the planet carrier and the internal gear that support planet wheel.
4. according to Oversea wind power generation yawing speed reducer claimed in claim 3, it is characterized in that: described planet wheel is 3-4 and is evenly distributed on around the sun gear.
5. according to Oversea wind power generation yawing speed reducer claimed in claim 1, it is characterized in that: described Pyatyi planetary gear set is to be in transmission connection with motor (14) by the female connector (13) that install at motor cabinet (12) center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205460084U CN202867721U (en) | 2012-10-24 | 2012-10-24 | Offshore wind power generation yaw reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205460084U CN202867721U (en) | 2012-10-24 | 2012-10-24 | Offshore wind power generation yaw reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202867721U true CN202867721U (en) | 2013-04-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205460084U Expired - Lifetime CN202867721U (en) | 2012-10-24 | 2012-10-24 | Offshore wind power generation yaw reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202867721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878252A (en) * | 2012-10-24 | 2013-01-16 | 银川威力减速器有限公司 | Yawing speed reducer for marine wind power generation |
-
2012
- 2012-10-24 CN CN2012205460084U patent/CN202867721U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878252A (en) * | 2012-10-24 | 2013-01-16 | 银川威力减速器有限公司 | Yawing speed reducer for marine wind power generation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Yawing speed reducer for marine wind power generation Effective date of registration: 20161215 Granted publication date: 20130410 Pledgee: Bank of Ningxia science and technology branch of Limited by Share Ltd. Pledgor: YINCHUAN WEILI REDUCER MACHINERY Co.,Ltd. Registration number: 2016640000003 |
|
| CP03 | Change of name, title or address |
Address after: 750002 the Ningxia Hui Autonomous Region high tech Zone, Yinchuan, No. 1 plant room, room 406 Patentee after: YINCHUAN WEILI TRANSMISSION TECHNOLOGY CO.,LTD. Address before: 750011 the Ningxia Hui Autonomous Region Jinfeng District Industrial Park, the new open street, No. 128, No. Patentee before: YINCHUAN WEILI REDUCER MACHINERY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20171213 Registration number: 2016640000003 Pledgor after: YINCHUAN WEILI TRANSMISSION TECHNOLOGY CO.,LTD. Pledgor before: YINCHUAN WEILI REDUCER MACHINERY Co.,Ltd. |
|
| PM01 | Change of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20171215 Granted publication date: 20130410 Pledgee: Bank of Ningxia science and technology branch of Limited by Share Ltd. Pledgor: YINCHUAN WEILI TRANSMISSION TECHNOLOGY CO.,LTD. Registration number: 2016640000003 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Yawing speed reducer for marine wind power generation Effective date of registration: 20171219 Granted publication date: 20130410 Pledgee: Bank of Ningxia science and technology branch of Limited by Share Ltd. Pledgor: YINCHUAN WEILI TRANSMISSION TECHNOLOGY CO.,LTD. Registration number: 2017640000006 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20181221 Granted publication date: 20130410 Pledgee: Bank of Ningxia science and technology branch of Limited by Share Ltd. Pledgor: YINCHUAN WEILI TRANSMISSION TECHNOLOGY CO.,LTD. Registration number: 2017640000006 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |
|
| CX01 | Expiry of patent term |