CN2893312Y - Booster gear box for wind electric power generator - Google Patents

Booster gear box for wind electric power generator Download PDF

Info

Publication number
CN2893312Y
CN2893312Y CNU200620068476XU CN200620068476U CN2893312Y CN 2893312 Y CN2893312 Y CN 2893312Y CN U200620068476X U CNU200620068476X U CN U200620068476XU CN 200620068476 U CN200620068476 U CN 200620068476U CN 2893312 Y CN2893312 Y CN 2893312Y
Authority
CN
China
Prior art keywords
casing
level
gear
order
planet
Prior art date
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
Application number
CNU200620068476XU
Other languages
Chinese (zh)
Inventor
刘建国
袁包钢
王朝阳
王峥嵘
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing High Speed Gear Manufacturing Co Ltd
Original Assignee
Nanjing High Speed Gear Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing High Speed Gear Manufacturing Co Ltd filed Critical Nanjing High Speed Gear Manufacturing Co Ltd
Priority to CNU200620068476XU priority Critical patent/CN2893312Y/en
Application granted granted Critical
Publication of CN2893312Y publication Critical patent/CN2893312Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H1/00Toothed gearings for conveying rotary motion
    • F16H1/28Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/46Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central gears

Abstract

The utility model relates to a speedup gear box for a wind force generator. The box is composed of a main axis cover and a three level frame which are connected in order with a bolt; the main axis, a planet frame, a solar frame, and a parallel axis large gear are coaxial; a first level planet frame is arranged on the main axis and is provided with four planet wheels; a second level planet frame is arranged between the first and the second level planet frames; a spline of the second level solar wheel is connected with a spline axis; the parallel large gear is always joggled with a small gear; and the frame, the planet frame, and the planet axis are all provided with lubrication channels. The utility model has the advantages of that the disassembly is easy; the entire eight is small; the planet wheel and the planet frame adopts bearing installation, which reduces the power consumption; the bearing of the planet wheel adopts forced lubricating through the lubrication channel, which increases the service life of the gear box; and the two level planet wheel and the solar wheel shift is adopted, thus the requirement on large power and high shift ratio is met.

Description

The step-up gear that is used for wind-driven generator
Technical field
The utility model relates to gear-box, especially a kind of speed-increasing gearbox of wind driven generator that is used for.
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 the downstream easily.In wind-driven generator, gear-box is the critical component of wind-driven generator, and the wind-driven generator step-up gear of China's use at present mainly solves by import, is generally overall structure, and the dismounting difficulty in case break down, can only be changed assembly, causes waste.
The inventor once on October 12nd, 2004 to Patent Office of the People's Republic of China with same subject application utility model patent, the patent No. is 200420080175.X, after this patent is implemented, we find, speed-increasing gearbox of wind driven generator for the low gear ratio of small-power, tangible good effect is arranged really,, be difficult to satisfy the lubricated of each planet carrier upper bearing (metal) and the specific (special) requirements of gear ratio at the speed-increasing gearbox of wind driven generator of high-power transmission ratio.
Summary of the invention
The purpose of this utility model is: at step-up gear, especially the 200420080175.X patent is used the occasion in high-power transmission ratio, be difficult to satisfy the lubricated of each planet carrier upper bearing (metal) and to the specific (special) requirements of gear ratio, a kind of new speed-increasing gearbox of wind driven generator that is used for is provided.
The purpose of this utility model is achieved in that a kind of step-up gear that is used for wind-driven generator, comprises casing, main shaft, planet carrier, ring gear, sun gear, planet wheel, parallel-axes gears, output gear shaft, it is characterized in that:
A) casing comprises collar bush, first order casing, second level casing and third level casing, be provided with first order ring gear between collar bush and the first order casing, be provided with second level ring gear between first order casing and the second level casing, all be connected between collar bush and first order ring gear, the first order casing and between first order casing and second level ring gear, the second level casing and between second level casing and the third level casing by bolt;
B) main shaft, planet carrier, sun gear, parallel axes gearwheel concentric, first order planet carrier interference fit joint is assemblied on the main shaft, described main shaft is installed in respectively in collar bush and the first order casing by two bearings, first order planet carrier places between collar bush and the first order casing, second level planet carrier places between first order casing and the second level casing, parallel axes gearwheel and output gear shaft are installed in parallel between second level casing and the third level casing by bearing, and be horizontal arrangement, output gear shaft is provided with small gear;
C) first order planet carrier periphery evenly is provided with four planet wheels, and second level planet carrier periphery evenly is provided with three planet wheels, and planet wheels at different levels should often mesh with corresponding ring gear, sun gear;
D) end of first order sun gear is provided with spline and is connected with second level planet carrier, and the end of second level sun gear is provided with spline and is connected with the splined shaft that drives the parallel axes gearwheel;
E) small gear on parallel axes gearwheel and the output gear shaft often meshes;
F) main shaft and collar bush front end junction, and output gear shaft and third level casing junction are equipped with seal arrangement;
G) casing, planet carrier and planet axis are provided with oil leab.
In the utility model, described each planet wheel is installed in respectively on the even planet axis that is provided with of corresponding planet carrier periphery by bearing, planet carrier by Bearing Installation on casing, oil leab be provided with planet carrier on branch's lubricating oil path of connecting of each Bearing Installation point.
In the utility model, described bearing is cylindrical roller bearing, full roller bearing, spheric roller bearing, four-point contact ball and deep groove ball bearing.
In the utility model, described seal arrangement comprises flinger ring, disc and dust ring.
Advantage of the present utility model is: casing is divided into collar bush, first order casing, second level casing and third level casing, makes the gear-box dismounting convenient; Ring gear simultaneously as the constituent element of casing, has not only been alleviated the overall weight of gear-box, and processing easily; After planet wheel and planet carrier adopted two Bearing Installation, power loss was less; Planet wheel bearing is implemented pressure lubrication by oil leab, branch's lubricating oil path, adopts two-stage planet wheel, sun gear the working life of having improved gear-box, has satisfied the specific (special) requirements of high-power transmission ratio occasion.
Description of drawings
Fig. 1 is a kind of example structure schematic representation that the utility model relates to.
Among the figure: 1, main shaft, 2, collar bush, 3, first order planet carrier, 4, first order planet axis, 5, first order ring gear, 6, first order planet wheel, 7, first order sun gear, 8, first order casing, 9, second level planet carrier, 10, second level ring gear, 11, second level planet wheel, 12, second level planet axis, 13, second level sun gear, 14, second level casing, 15, third level casing, 16, output gear shaft, 17, flinger ring, 18, disc, 19, dust ring, 20, splined shaft, 21, the parallel axes gearwheel, 22, bearing, 23, oil leab.
Embodiment
Accompanying drawing is nonrestrictive to disclose the structural representation of a kind of specific embodiment that the utility model relates to, and the utility model will be further described below in conjunction with accompanying drawing.
As seen from Figure 1, casing of the present utility model comprises collar bush 2, first order casing 8, second level casing 14 and third level casing 15, be provided with first order ring gear 5 between collar bush 2 and the first order casing 8, be provided with second level ring gear 10 between first order casing 8 and the second level casing 14, between collar bush 2 and first order ring gear 5, the first order casing 8, and all be connected between first order casing 8 and second level ring gear 10, the second level casing 14 and between second level casing 14 and the third level casing 15 by bolt; Main shaft 1, first order planet carrier 3, first order sun gear 7, second level planet carrier 9, second level sun gear 13, parallel axes gearwheel 21 concentrics, first order planet carrier 3 is assemblied on the main shaft 1 by interference fit joint, described main shaft 1 is installed in respectively in collar bush 2 and the first order casing 8 by two bearings, first order planet carrier 3 places between collar bush 2 and the first order casing 8, second level planet carrier 9 places between first order casing 8 and the second level casing 14, parallel axes gearwheel 21 and output gear shaft 16 are installed in parallel between second level casing 14 and the third level casing 15 by bearing, and be horizontal arrangement, output gear shaft 16 is provided with small gear; First order planet carrier 3 peripheries evenly are provided with four first order planet wheels 6, planet carrier 9 peripheries in the second level evenly are provided with three second level planet wheels 11, first order planet wheel 6 often meshes with first order ring gear 5, first order sun gear 7 simultaneously, and second level planet wheel 11 often meshes with second level ring gear 10, second level sun gear 13 simultaneously; The end of first order sun gear 7 is provided with spline and is connected with second level planet carrier 9, and the end of second level sun gear 13 is provided with spline and is connected with the splined shaft 20 that drives parallel axes gearwheel 21; Small gear on parallel axes gearwheel 21 and the output gear shaft 16 often meshes; Main shaft 1 is equipped with seal arrangement with collar bush 2 front end junctions and output gear shaft 16 with third level casing 15 junctions.In the present embodiment, each planet wheel is installed in respectively on the even planet axis 4 that is provided with of corresponding planet carrier periphery by bearing 22, and described bearing 22 can adopt full roller bearing or selfaligning roller bearing, or cylindrical roller bearing; First order casing 8, first order planet carrier 3, first order planet axis 4 and etc. be provided with oil leab 23 on secondary casing 14, second level planet carrier 9, the second level planet axis 12.During concrete enforcement, planetary stage speed ratios at different levels are 4~6, and the speed ratio of small gear is 3~4 on parallel axes gearwheel and the output gear shaft.
During actual the use, the kinetic energy that wind-force forms drives first order planet carrier 3 by main shaft 1, first order planet wheel 6 is rotated around first order sun gear 7, because 6 whiles and first order ring gear 5 of first order planet wheel, first order sun gear 7 often meshes, make first order sun gear 7 produce rotation, and drive second level planet carrier 9 rotates synchronously, second level planet wheel 11 is rotated around second level sun gear 13, make second level sun gear 13 produce rotation, driving the splined shaft 20 that parallel axes gearwheel 21 is housed then rotates synchronously, after two-stage planet wheel sun gear speed change, drive generator for electricity generation by output gear shaft 16.In the work, lubricant oil in the lubricating oil tank is under the effect of lubricating pump, hydraulic fluid port oil suction by collar bush 2, spray in the gear-box by each lubricating point, on first order casing 8, first order planet carrier 3, first order planet axis 4 and second level casing 14, second level planet carrier 9, second level planet axis 12, be provided with in the oil leab 23 by branch's lubricating oil path to planet carrier on each bearing implement pressure lubrication.

Claims (4)

1, a kind of step-up gear that is used for wind-driven generator comprises casing, main shaft, planet carrier, ring gear, sun gear, planet wheel, parallel-axes gears, output gear shaft, it is characterized in that:
A) casing comprises collar bush, first order casing, second level casing and third level casing, be provided with first order ring gear between collar bush and the first order casing, be provided with second level ring gear between first order casing and the second level casing, all be connected between collar bush and first order ring gear, the first order casing and between first order casing and second level ring gear, the second level casing and between second level casing and the third level casing by bolt;
B) main shaft, planet carrier, sun gear, parallel axes gearwheel concentric, first order planet carrier interference fit joint is assemblied on the main shaft, described main shaft is installed in respectively in collar bush and the first order casing by two bearings, first order planet carrier places between collar bush and the first order casing, second level planet carrier places between first order casing and the second level casing, parallel axes gearwheel and output gear shaft are installed in parallel between second level casing and the third level casing by bearing, and be horizontal arrangement, output gear shaft is provided with small gear;
C) first order planet carrier periphery evenly is provided with four planet wheels, and second level planet carrier periphery evenly is provided with three planet wheels, and planet wheels at different levels should often mesh with corresponding ring gear, sun gear;
D) end of first order sun gear is provided with spline and is connected with second level planet carrier, and the end of second level sun gear is provided with spline and is connected with the splined shaft that drives the parallel axes gearwheel;
E) small gear on parallel axes gearwheel and the output gear shaft often meshes;
F) main shaft and collar bush front end junction, and output gear shaft and third level casing junction are equipped with seal arrangement;
G) casing, planet carrier and planet axis are provided with oil leab.
2, the step-up gear that is used for wind-driven generator according to claim 1, it is characterized in that: each planet wheel is installed in respectively on the even planet axis that is provided with of corresponding planet carrier periphery by bearing, planet carrier by Bearing Installation on casing, oil leab be provided with planet carrier on branch's lubricating oil path of connecting of each Bearing Installation point.
3, the step-up gear that is used for wind-driven generator according to claim 2 is characterized in that: described bearing is cylindrical roller bearing, full roller bearing, spheric roller bearing, four-point contact ball and deep groove ball bearing.
4, the step-up gear that is used for wind-driven generator according to claim 1, it is characterized in that: described seal arrangement comprises flinger ring, disc and dust ring.
CNU200620068476XU 2006-01-16 2006-01-16 Booster gear box for wind electric power generator Expired - Lifetime CN2893312Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU200620068476XU CN2893312Y (en) 2006-01-16 2006-01-16 Booster gear box for wind electric power generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU200620068476XU CN2893312Y (en) 2006-01-16 2006-01-16 Booster gear box for wind electric power generator

Publications (1)

Publication Number Publication Date
CN2893312Y true CN2893312Y (en) 2007-04-25

Family

ID=38061473

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU200620068476XU Expired - Lifetime CN2893312Y (en) 2006-01-16 2006-01-16 Booster gear box for wind electric power generator

Country Status (1)

Country Link
CN (1) CN2893312Y (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101806280A (en) * 2010-03-15 2010-08-18 岑益南 Wind power generation device non self-locking speed change and speed-increasing gearbox
CN101946103A (en) * 2008-02-18 2011-01-12 Ntn株式会社 Railway vehicle drive unit
CN101975254A (en) * 2010-10-08 2011-02-16 吴声震 Hydropower generation variable speed gear
CN102032334A (en) * 2010-10-08 2011-04-27 吴声震 Large-torque hydraulic electrogenerating speed change device
CN102817967A (en) * 2011-06-07 2012-12-12 华锐风电科技(集团)股份有限公司 Speed-changing gear device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101946103A (en) * 2008-02-18 2011-01-12 Ntn株式会社 Railway vehicle drive unit
CN101806280A (en) * 2010-03-15 2010-08-18 岑益南 Wind power generation device non self-locking speed change and speed-increasing gearbox
CN101975254A (en) * 2010-10-08 2011-02-16 吴声震 Hydropower generation variable speed gear
CN102032334A (en) * 2010-10-08 2011-04-27 吴声震 Large-torque hydraulic electrogenerating speed change device
CN102032334B (en) * 2010-10-08 2013-05-01 吴声震 Large-torque hydraulic electrogenerating speed change device
CN101975254B (en) * 2010-10-08 2013-06-12 吴声震 Hydropower generation variable speed gear
CN102817967A (en) * 2011-06-07 2012-12-12 华锐风电科技(集团)股份有限公司 Speed-changing gear device
CN102817967B (en) * 2011-06-07 2015-03-25 华锐风电科技(集团)股份有限公司 Speed-changing gear device

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Assignee: Nanjing Gaote Gear Box Manufacturing Co., Ltd.

Assignor: Nanjing High Speed Gear Manufacturing Co., Ltd.

Contract fulfillment period: 2007.7.1 to 2016.12.20

Contract record no.: 2009320000055

Denomination of utility model: Step-up gear box for wind power generator

Granted publication date: 20070425

License type: Exclusive license

Record date: 20090201

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.7.1 TO 2016.12.20; CHANGE OF CONTRACT

Name of requester: NANJING GAOTE GEAR CASE MANUFACTURING CO., LTD.

Effective date: 20090201

CX01 Expiry of patent term

Granted publication date: 20070425

EXPY Termination of patent right or utility model