CN202579057U - Step-up gear box of high-power wind driven generator - Google Patents

Step-up gear box of high-power wind driven generator Download PDF

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Publication number
CN202579057U
CN202579057U CN201220194652XU CN201220194652U CN202579057U CN 202579057 U CN202579057 U CN 202579057U CN 201220194652X U CN201220194652X U CN 201220194652XU CN 201220194652 U CN201220194652 U CN 201220194652U CN 202579057 U CN202579057 U CN 202579057U
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China
Prior art keywords
casing
box
gear
planet carrier
driven generator
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Active
Application number
CN201220194652XU
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Chinese (zh)
Inventor
袁包钢
王朝阳
许军
李靖
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Nanjing High Speed Gear Manufacturing Co Ltd
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Nanjing High Speed Gear Manufacturing Co Ltd
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Priority to CN201220194652XU priority Critical patent/CN202579057U/en
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    • Y02E10/722

Abstract

The utility model relates to a step-up gear box of a high-power wind driven generator. The box comprises a front box, a middle box and a rear box, wherein two stages of planetary gear trains are included in the box; the first stage of planetary gear train is arranged between the front box and the middle box; the second stage of planetary gear train is arranged between the middle box and the rear box; an input planet carrier penetrates through the front box to be connected with a flange; a first sun gear is connected with a second planet carrier through spline; a second sun gear penetrates through the rear box to be connected with a generator shaft through spline; a sealing device is arranged at the junction of the input planet carrier and the front box; a lubricating system of the gear box comprises a lubricating oil bath, a motor pump, an oil path distributor and each lubricating oil duct; the lubricating oil duct is the lubricating oil duct which is arranged on the box, the input planet carrier and the planet gear shaft to be led to each bearing mounting point; the motor pump is connected in series between a lubricating oil box and the oil path distributor; and an output end of the motor pump is connected with each lubricating oil duct through the oil path distributor.

Description

The high-power wind-driven generator step-up gear
Technical field
The utility model relates to a kind of gear-box, especially a kind of high-power wind-driven generator step-up gear.
Background technique
Utilize wind-power electricity generation to compare, have the free of contamination advantage of generating, compare with hydroelectric power with traditional thermal power generation; Have that the capital construction cost is low, floor space is little; Maintaining is advantage easily, and for large-scale hydroelectric power plant, also there is certain potential safety hazard in storage reservoir to downstream easily.In wind-driven generator, gear-box is the critical component of wind-driven generator, and the speed-increasing gearbox of wind driven generator of China's use at present mainly leans on import to solve, and is generally overall structure, and the dismounting difficulty in case break down, can only be changed assembly, causes waste.
China's megawatt-grade high-power speed-increasing gearbox of wind driven generator development is rapid, the present domestic wind energy turbine set generating of having produced in batches and be applied to.Step-up gear comparatively commonly used generally adopts the mode of the speedup level combination of one-level planetary gear train and two-stage parallel axis, gear for two stage planetary gear train and one-level parallel axes to carry out transmission in the existing technology; Increase along with wind turbine power generation power; The volume and weight of speed-increasing gearbox of wind driven generator and generator also increases, and the consequence of bringing is that cost increases, difficult installation.How when promoting wind turbine power generation power, the volume, weight and the cost that reduce wind-driven generator are the problems that the Professional visitors generally is concerned about.
Summary of the invention
The purpose of the utility model is: to more powerful step-up gear, the problem that volume is big, weight is big, cost is high, a kind of new duplicate rows star mechanism is provided with the integrated speed-increasing gearbox of wind driven generator of generator.
The purpose of the utility model is achieved in that a kind of high-power wind-driven generator step-up gear, comprises casing and planetary gear train, it is characterized in that: casing comprises preceding casing, middle casing and rear box, contains gear for two stage planetary gear train in the casing, wherein:
Be provided with first ring gear between preceding casing and the middle casing; Be provided with second ring gear between middle casing and the rear box; Preceding casing, first ring gear, middle casing, second ring gear are connected through bolt with rear box successively, and rear box is connected with the generator casing through bolt;
First sun wheel shaft and second sun wheel shaft floating bushing successively are connected on the tubular axis, and an end of tubular axis is located by connecting through flange and input planet carrier, and the other end then passes through bearings in motor case body; Between casing and the middle casing, second level planetary gear train was installed between middle casing and the rear box before first order planetary gear train was installed in; Casing was connected with flange plate before the input planet carrier passed, and first sun wheel shaft is connected with second planet carrier through spline, and second sun wheel shaft passes rear box and is connected with generator shaft through spline;
The input planet carrier combines to be provided with seal arrangement with preceding casing;
The lubrication system of gear-box comprises lubricating oil bath, electric-motor pump, oil circuit distributor and each oil leab; Oil leab is meant and is located at the oil leab that leads to each Bearing Installation point on casing, input planet carrier and the planet wheel shaft; Electric-motor pump is serially connected between lubricating oil tank and the oil circuit distributor, and its output terminal is connected with each oil leab through the oil circuit distributor.
In the utility model: input planet carrier periphery is distributed with four first planet wheel shafts at least with the annular array mode, and the second planet carrier periphery then is distributed with three second planet wheel shafts with the annular array mode at least.
In the utility model: described seal arrangement comprises disc and dust ring.
In the utility model: an end of described tubular axis is located by connecting with the input planet carrier through flange and is meant: adopt flange to be connected between input planet carrier and the tubular axis; Between input planet carrier and the flange; And being equipped with the O RunddichtringO between flange and the tubular axis, the tubular axis end is provided with positioning baffle.
In the utility model: in gear for two stage planetary gear train, the bearing that supports planet carrier is a cylindrical roller bearing, or full roller bearing; Or tapered roller bearing; The bearing that supports planet wheel is a cylindrical roller bearing, or full roller bearing, or double-row conical bearing; The bearing that supports the output female splined shaft is a cylindrical roller bearing, or full roller bearing, or double-row conical bearing.
In the utility model: the support of generator is connected on the rear box through bolt.
In the utility model: the oil leab that comprises one group of lubricated dynamo bearing in the lubrication system at least.
In the utility model: also be provided with cooler in the described lubrication system, the input end of oil cooling service pipe docks with the output terminal of oil circuit distributor in the cooler, and the output terminal of oil cooling service pipe gets into oil leab again in the cooler.
The advantage of the utility model is: adopt gear for two stage planetary gear train can transmit bigger torque, casing is divided into preceding casing, middle casing, rear box, make the gear-box dismounting convenient; Generator and gear-box is integrated as a whole, saved the space, simplify the structure, alleviated overall weight; With the constituent element of two-stage ring gear as casing, not only alleviated the overall weight of gear-box, and processing easily; Adopt at least four equally distributed planet wheels in first planetary gear train, increased bearing capacity, reduced the gear-box radius; Adopt at least three equally distributed planet wheels in second planetary gear train, increased bearing capacity; First order planet wheel had both increased bearing capacity after adopting and adopting full-complement cylinder roller bearing to install on two no outer ring full-complement cylinder roller bearings, the especially first order planet carriers, had reduced installing space again; Lubrication system provides pressure lubrication for each bearing, has so just improved the reliability of gear-box greatly; Cooling system is provided with cooler, has strengthened the cooling effect of lubricant oil.Owing to adopt flange to connect between input planet carrier and the tubular axis; Locate through baffle plate; Adopt the sealing of O RunddichtringO between planet carrier and output flange and flange and the tubular axis, not only high-altitude dismounting, replacing tubular axis make things convenient for, and preferably resolve the problem of tubular axis leakage of oil.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation.
Among the figure: 1, flange plate, 2, the input planet carrier, 3, preceding casing, 4, first planet wheel shaft, 5, first planet wheel; 6, first ring gear, 7, first planet wheel bearing, 8, middle casing, 9, second planet carrier, 10, second planet wheel shaft; 11, second planet wheel, 12, second ring gear, 13, rear box, 14, second level sun wheel shaft, 15, first sun wheel shaft; 16, tubular axis, 17, O-ring seals, 18, flange, 19, positioning baffle.
Embodiment
Accompanying drawing is nonrestrictive to disclose the structural representation of a kind of specific embodiment that the utility model relates to, and below in conjunction with accompanying drawing the utility model is done further to describe.
Visible by Fig. 1, the casing of the utility model comprises preceding casing 3, middle casing 8 and rear box 13, is provided with first ring gear 6 between preceding casing 3 and the middle casing 8, and preceding casing 3, first ring gear 6, middle casing 8 are through the bolt connection; In be provided with second ring gear 12 between casing 8 and the rear box 13, middle casing 8, second ring gear 12, rear box 13 connect through bolt; Rear box 13 is connected through bolt with the generator casing; First sun wheel shaft 15 and second sun wheel shaft 14 floating bushing successively are connected on the tubular axis 16; One end of tubular axis 16 is located by connecting through flange 18 and input planet carrier 2; The other end then passes through bearings in motor case body; Flange 18 and input planet carrier 2 are equipped with O-ring seals 17 between flange 18 and the tubular axis 16, and the tubular axis end is provided with positioning baffle 19; Input planet carrier 2 passes through Bearing Installation between preceding casing 3 and middle casing 8; Casing 3 was connected with flange plate 1 before the input end of input planet carrier 2 passed; Casing 8 was connected with second planet carrier 9 during the splined shaft of first sun wheel shaft 15 passed; Between middle casing 8 and rear box 13, the splined shaft of second sun wheel shaft 14 passes rear box 13 and is connected with generator shaft second planet carrier 9 through Bearing Installation; Input planet carrier 2 is provided with seal arrangement with preceding casing 3 junctions; Be provided with oil leab in casing, input planet carrier 2 and the two-stage planet wheel shaft 4,10 towards each Bearing Installation point.
In the present embodiment, input planet carrier 2 peripheries evenly be provided with four first planet wheels, 5, the first planet wheels 5 simultaneously with first ring gear 6, first sun wheel shaft 15 in the sun gear engagement; The spline of first sun wheel shaft, 15 ends is connected with second planet carrier 9; Second planet carrier, 9 peripheries evenly be provided with three second planet wheels, 11, the second planet wheels 11 simultaneously with interior second ring gear 12, second sun wheel shaft 14 in the sun gear engagement; The spline of second level sun wheel shaft 14 ends is connected with generator shaft; The bearing that input planet carrier 2 adopts is full roller bearing, and the bearing that second planet carrier 9 adopts is a tapered roller bearing, and the bearing that two-stage planet wheel 5,10 adopts is full roller bearing of biserial or cylindrical roller bearing; Input planet carrier 2 comprises disc and dust ring with the seal arrangement of preceding casing 3 junctions.
During practical implementation, at least also comprise the oil leab of one group of lubricated dynamo bearing in the lubrication system.Also be provided with cooler in the described lubrication system, the input end of oil cooling service pipe docks with the output terminal of oil circuit distributor in the cooler, and the output terminal of oil cooling service pipe gets into oil leab again in the cooler.
During actual the use; The kinetic energy that wind-force forms makes first planet wheel 5 rotate around first sun wheel shaft 15 by 2 inputs of input planet carrier and since first planet wheel 5 simultaneously with first ring gear 6, first sun wheel shaft 15 in the sun gear engagement; Make first sun wheel shaft 15 produce rotation; First sun wheel shaft 15 drives second planet carrier 9 and rotates synchronously, and second planet wheel 11 is rotated around second sun wheel shaft 14 and since second planet wheel 11 simultaneously with second ring gear 12, second sun wheel shaft 14 in sun gear mesh; Make second sun wheel shaft 14 produce rotation, second sun wheel shaft 14 drives generator shaft and rotates generating.In the work; Lubricant oil provides lubricant oil for gear engagement place and all bearings under the effect of electric-motor pump; When temperature is too high, can import oil cooling service pipe input end in the cooler to a part of lubricant oil through the oil circuit distributor, by the output terminal entering oil leab of oil cooling service pipe in the cooler; To the lubricant oil cooling, guarantee the lubrication effect of lubricant oil.

Claims (8)

1. a high-power wind-driven generator step-up gear comprises casing and planetary gear train, it is characterized in that: casing comprises preceding casing, middle casing and rear box, contains gear for two stage planetary gear train in the casing, wherein:
Be provided with first ring gear between preceding casing and the middle casing; Be provided with second ring gear between middle casing and the rear box; Preceding casing, first ring gear, middle casing, second ring gear are connected through bolt with rear box successively, and rear box is connected with the generator casing through bolt;
First sun wheel shaft and second sun wheel shaft floating bushing successively are connected on the tubular axis, and an end of tubular axis is located by connecting through flange and input planet carrier, and the other end then passes through bearings in motor case body; Between casing and the middle casing, second level planetary gear train was installed between middle casing and the rear box before first order planetary gear train was installed in; Casing was connected with flange plate before the input planet carrier passed, and first sun wheel shaft is connected with second planet carrier through spline, and second sun wheel shaft passes rear box and is connected with generator shaft through spline;
Input planet carrier and preceding casing junction are provided with seal arrangement;
The lubrication system of gear-box comprises lubricating oil bath, electric-motor pump, oil circuit distributor and each oil leab; Oil leab is meant and is located at the oil leab that leads to each Bearing Installation point on casing, input planet carrier and the planet wheel shaft; Electric-motor pump is serially connected between lubricating oil tank and the oil circuit distributor, and its output terminal is connected with each oil leab through the oil circuit distributor.
2. high-power wind-driven generator step-up gear according to claim 1; It is characterized in that: input planet carrier periphery is distributed with four first planet wheel shafts at least with the annular array mode, and the second planet carrier periphery then is distributed with three second planet wheel shafts with the annular array mode at least.
3. high-power wind-driven generator step-up gear according to claim 1 is characterized in that: described seal arrangement comprises disc and dust ring.
4. high-power wind-driven generator step-up gear according to claim 1; It is characterized in that; One end of described tubular axis is located by connecting with the input planet carrier through flange and is meant: adopt flange to be connected between input planet carrier and the tubular axis; Between input planet carrier and the flange, and be equipped with the O RunddichtringO between flange and the tubular axis, the tubular axis end is provided with positioning baffle.
5. high-power wind-driven generator step-up gear according to claim 1; It is characterized in that: in gear for two stage planetary gear train, the bearing that supports each planet carrier is cylindrical roller bearing, or full roller bearing; Or tapered roller bearing; The bearing that supports each planet wheel is cylindrical roller bearing, or full roller bearing, or double-row conical bearing.
6. high-power wind-driven generator step-up gear according to claim 1 is characterized in that: the support of generator is connected on the rear box through bolt.
7. high-power wind-driven generator step-up gear according to claim 1 is characterized in that: the oil leab that contains one group of lubricated dynamo bearing in the lubrication system at least.
8. according to the described high-power wind-driven generator step-up gear of one of claim 1 ~ 7; It is characterized in that: also be provided with cooler in the described lubrication system; The input end of oil cooling service pipe docks with the output terminal of oil circuit distributor in the cooler, and the output terminal of oil cooling service pipe gets into oil leab again in the cooler.
CN201220194652XU 2012-05-03 2012-05-03 Step-up gear box of high-power wind driven generator Active CN202579057U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103527422A (en) * 2013-10-23 2014-01-22 北京金风科创风电设备有限公司 Wind turbine generator system and main transmission chain thereof
CN104696445A (en) * 2015-03-19 2015-06-10 黄玲艳 Wheel reduction gear
WO2015067425A3 (en) * 2013-11-08 2015-08-06 Zf Friedrichshafen Ag Mounting device for a rolling element bearing having no outer race
CN106194595A (en) * 2016-08-30 2016-12-07 重庆望江工业有限公司 A kind of speed-increasing gearbox of wind driven generator
CN112065667A (en) * 2020-09-21 2020-12-11 华北理工大学 Transmission structure for wind driven generator

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103527422A (en) * 2013-10-23 2014-01-22 北京金风科创风电设备有限公司 Wind turbine generator system and main transmission chain thereof
WO2015067425A3 (en) * 2013-11-08 2015-08-06 Zf Friedrichshafen Ag Mounting device for a rolling element bearing having no outer race
CN105705834A (en) * 2013-11-08 2016-06-22 Zf 腓德烈斯哈芬股份公司 Mounting device for a rolling element bearing having no outer race
CN105705834B (en) * 2013-11-08 2018-03-06 Zf 腓德烈斯哈芬股份公司 Assembly equipment for the rolling bearing without outer ring
US10408270B2 (en) 2013-11-08 2019-09-10 Zf Friedrichshafen Ag Mounting device for a rolling element bearing having no outer race
CN104696445A (en) * 2015-03-19 2015-06-10 黄玲艳 Wheel reduction gear
CN106194595A (en) * 2016-08-30 2016-12-07 重庆望江工业有限公司 A kind of speed-increasing gearbox of wind driven generator
CN112065667A (en) * 2020-09-21 2020-12-11 华北理工大学 Transmission structure for wind driven generator

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20190930

Address after: No. 30 Houjiao Road, Jiangning District, Nanjing, Jiangsu Province, 210000 (Jiangning High-tech Park)

Co-patentee after: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd.

Patentee after: Nanjing High Speed Gear Manufacturing Co., Ltd.

Address before: 211100 No. 1 East Tianyuan Road, Jiangning Science Park, Nanjing, Jiangsu

Patentee before: Nanjing High Speed Gear Manufacturing Co., Ltd.

Effective date of registration: 20190930

Address after: No. 30 Houjiao Road, Jiangning District, Nanjing, Jiangsu Province, 210000 (Jiangning High-tech Park)

Co-patentee after: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd.

Patentee after: Nanjing High Speed Gear Manufacturing Co., Ltd.

Address before: 211100 No. 1 East Tianyuan Road, Jiangning Science Park, Nanjing, Jiangsu

Patentee before: Nanjing High Speed Gear Manufacturing Co., Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200508

Address after: No. 30 Houjiao Road, Jiangning District, Nanjing, Jiangsu Province, 210000 (Jiangning High-tech Park)

Patentee after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd.

Address before: No. 30 Houjiao Road, Jiangning District, Nanjing, Jiangsu Province, 210000 (Jiangning High-tech Park)

Co-patentee before: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd.

Patentee before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd.