CN201367988Y - Speed-increasing gearbox for downwind wind-driven generator - Google Patents

Speed-increasing gearbox for downwind wind-driven generator Download PDF

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Publication number
CN201367988Y
CN201367988Y CNU2009200374184U CN200920037418U CN201367988Y CN 201367988 Y CN201367988 Y CN 201367988Y CN U2009200374184 U CNU2009200374184 U CN U2009200374184U CN 200920037418 U CN200920037418 U CN 200920037418U CN 201367988 Y CN201367988 Y CN 201367988Y
Authority
CN
China
Prior art keywords
gear
shaft
box
casing
transition
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
CNU2009200374184U
Other languages
Chinese (zh)
Inventor
刘建国
袁包钢
陈容俊
王朝阳
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 CNU2009200374184U priority Critical patent/CN201367988Y/en
Application granted granted Critical
Publication of CN201367988Y publication Critical patent/CN201367988Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D15/00Transmission of mechanical power
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D15/00Transmission of mechanical power
    • F03D15/10Transmission of mechanical power using gearing not limited to rotary motion, e.g. with oscillating or reciprocating members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D80/00Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/70Bearing or lubricating arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00Function
    • F05B2260/40Transmission of power
    • F05B2260/403Transmission of power through the shape of the drive components
    • F05B2260/4031Transmission of power through the shape of the drive components as in toothed gearing
    • F05B2260/40311Transmission of power through the shape of the drive components as in toothed gearing of the epicyclic, planetary or differential type
    • 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
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/04Combinations of toothed gearings only
    • F16H37/041Combinations of toothed gearings only for conveying rotary motion with constant gear ratio
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The utility model relates to a speed-increasing gearbox for a downwind wind-driven generator. A box body comprises a torque arm, a middle box body and a rear box body, wherein an annular gear is arranged between the torque arm and the middle box body; the annular gear, the torque arm and the middle box body are connected in sequence; an input planet carrier is installed between the torque arm and the middle box body through a bearing; a sun gear shaft is engaged with an internal spline shaft; the internal spline shaft is provided with a rack wheel; the internal spline shaft, a transitional gear shaft and an output gear shaft are installed between the middle box body and the rear box body through bearings; the transitional gear shaft is provided with a transitional rack wheel; the rack wheel on the internal spline shaft is engaged with a gear on the transitional gear shaft; the transitional rack wheel is engaged with a gear on the output gear shaft; sealing rings are arranged at the joints of the input planet carrier and the torque arm as well as the output gear shaft and the rear box body; the output gear shaft synchronously drives a mechanical pump; the box body, the input gear carrier and the planet gear shaft are provided with lubricant passages leading to all bearing mounting points; the mechanical pump is connected in series in a lubricating system of the gearbox; and the output end of the mechanical pump is connected with all the lubricant passages through an oil-way distributor.

Description

Following wind direction type speed-increasing gearbox of wind driven generator
Technical field
The utility model relates to gear-box, especially a kind of speed-increasing gearbox of wind driven generator of wind direction type down.
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 200420080174.5, after this patent is implemented, we find, for low power speed-increasing gearbox of wind driven generator, tangible good effect is arranged really, at powerful speed-increasing gearbox of wind driven generator, lubricated and the transition gear of each bearing, the bearing capacity of output shaft really await further perfect.
Summary of the invention
The purpose of this utility model is: at step-up gear, especially 200420080174.5 patents are used the problem of bearing capacity of lubricated and transition gear, the output shaft of each bearing that need solve in more powerful occasion, and a kind of new speed-increasing gearbox of wind driven generator is provided.
The purpose of this utility model is achieved in that a kind of upwind type speed-increasing gearbox of wind driven generator, comprises casing, planetary gear train, transition gear axle, output gear shaft, it is characterized in that:
Casing comprises toggle, middle casing and rear box, is provided with the ring gear of planetary gear train between toggle and the middle casing, and the ring gear of toggle, planetary gear train, middle casing are connected by bolt successively with rear box;
Input planet carrier, sun gear wheel shaft, female splined shaft concentric; Between toggle and middle casing, its input end passes toggle to the input planet carrier by Bearing Installation; Sun gear wheel shaft and female splined shaft engagement, female splined shaft is provided with gearwheel;
Between casing and the rear box, the output terminal of output gear shaft passed rear box during female splined shaft, transition gear axle, output gear shaft were installed in parallel in by bearing; The transition gear axle is provided with the transition gearwheel;
Gear engagement on gearwheel on the female splined shaft and the transition gear axle, transition gearwheel on the transition gear axle and the gear engagement on the output gear shaft;
Input planet carrier and toggle junction and output gear shaft and rear box junction are equipped with seal ring;
Mechanical pump during the output gear shaft synchronous drive is installed on the casing, casing, input planet carrier and planet wheel shaft are provided with towards each Bearing Installation spot lubrication oil duct, mechanical pump is serially connected in the lubrication system of gear-box, and its output terminal is connected with each oil leab by the oil circuit distributor.
In the utility model: three planet wheel shafts that input planet carrier periphery at least evenly is provided with, planet wheel shaft is provided with planet wheel.
In the utility model: described seal ring comprises flinger ring, disc and dust ring.
In the utility model: the planet wheel in the planetary gear train adopts two cylindrical roller bearings to be installed on the planet wheel shaft, and the input planet carrier adopts tapered roller bearing to be installed on toggle and the middle casing; One end of female splined shaft, transition gear axle, output gear shaft is installed in parallel on the rear box by the tapered roller bearing of pairing.
In the utility model: also be provided with the motor-drive pump in parallel with mechanical pump on the middle casing, be serially connected in the lubrication system of gear-box after mechanical pump and the motor-drive pump parallel connection, their output terminal is connected with each oil leab by public same oil circuit distributor.
Advantage of the present utility model is: casing is divided into toggle, middle casing and rear box, 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; Adopt at least three planet wheels, increased bearing capacity; Planet wheel had both increased bearing capacity after adopting and adopting tapered roller bearing to install on two cylindrical roller bearings, the especially planet carriers, had reduced installing space again; Gear-box is provided with independently mechanical pump, especially is provided with the motor-drive pump in parallel with mechanical pump, can guarantee under any rotation of gear-box that the gear box lubricating oil system can proper functioning; To each bearing, especially the bearing of planet wheel is implemented pressure lubrication by oil leab, has so just improved the reliability of gear-box greatly, prolongs the working life of gear-box.
Description of drawings
Fig. 1 is a kind of example structure schematic representation that the utility model relates to;
Fig. 2 is the another kind of embodiment's that relates to of the utility model a form structure schematic representation.
Among the figure: 1, toggle, 2, ring gear, 3, middle casing, 4, mechanical pump, 5, rear box, 6, output gear shaft, 7, transition gearwheel, 8, the transition gear axle, 9, female splined shaft, 10, gearwheel, 11, the sun gear wheel shaft, 12, planet wheel, 13, planet wheel shaft, 14, bearing, 15, electric-motor pump, 16, the input planet carrier.
Embodiment
Accompanying drawing is nonrestrictive to disclose the structural representation of the 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 comprises toggle 1, middle casing 3 and rear box 5, is provided with the ring gear 2 of planetary gear train between toggle 1 and the middle casing 3, and the ring gear 2 of toggle 1, planetary gear train, middle casing 3 and rear box 5 are connected by bolt successively; Input planet carrier 16, sun gear wheel shaft 11, female splined shaft 9 concentrics; Between toggle 1 and middle casing 3, its input end passes toggle 1 to input planet carrier 16 by Bearing Installation; Sun gear wheel shaft 11 and female splined shaft 9 engagements, female splined shaft 9 is provided with gearwheel 10; Between casing 3 and the rear box 5, the output terminal of output gear shaft 6 passed rear box 5 during female splined shaft 9, transition gear axle 8, output gear shaft 6 were installed in parallel in by bearing; Transition gear axle 8 is provided with transition gearwheel 7; Gearwheel 10 on the female splined shaft 9 and the gear engagement on the transition gear axle 8, transition gearwheel 7 on the transition gear axle 8 and the gear engagement on the output gear shaft 6; Input planet carrier 16 is equipped with seal ring with toggle 1 junction and output gear shaft 6 with rear box 5 junctions; Mechanical pump 4 during output gear shaft 6 synchronous drive are installed on the casing 3, casing, input planet carrier 16, planet wheel shaft and each Bearing Installation point are provided with oil leab, mechanical pump 4 is serially connected in the lubrication system of gear-box, and its output terminal is connected with each oil leab.
In the present embodiment, input planet carrier 16 peripheries evenly are provided with three planet wheel shafts 13, and planet wheel shaft 13 is provided with planet wheel 12; Planet wheel 12 in the planetary gear train adopts two cylindrical roller bearings 14 to be installed on the planet wheel shaft 13, and input planet carrier 16 adopts tapered roller bearing to be installed on toggle 1 and the middle casing 3; One end of female splined shaft 9, transition gear axle 8, output gear shaft 6 is installed in parallel on the rear box 5 by the tapered roller bearing of pairing; Mechanical pump 4 is driven by coupling by output gear shaft 6.Described seal ring also should comprise flinger ring, disc and dust ring during concrete enforcement.
In the utility model, the speed ratio of planetary stage train is 5~6, and gearwheel 10 is 3~4 with the speed ratio of transition gear axle middle gear, and transition gearwheel 7 is 3~4 with the speed ratio of output gear shaft middle gear.
As seen from Figure 2, the utility model can also be furnished with the motor-drive pump 15 that is arranged in parallel with mechanical pump 4, electric-motor pump 15 and mechanical pump 4 are separately independently, and their output terminal is connected with each oil leab by public same oil circuit distributor, and electric-motor pump 15 uses during as off-line.
During actual the use, the kinetic energy that wind-force forms is by 16 inputs of input planet carrier, planet wheel 12 is rotated around sun gear 11, because planet wheel 12 meshes with ring gear 2, sun gear 11 simultaneously, make sun gear 11 produce rotation, and drive gearwheel 10 and rotates synchronously, drive output gear shafts 6 high speed rotating by transition gear axle 8, transition gearwheel 7 then, at last by output gear shaft 6 drive generator for electricity generation.In the work, lubricant oil in the lubricating oil tank is under the effect of mechanical pump 4, for the bearing on the output gear shaft 6 and output gear shaft 6 and 7 engagements of transition gearwheel provide independently lubricant oil, and transport to each oil leab, for all bearings provide lubricant oil by the oil circuit distributor.When off-line, electric-motor pump 15 continues to keep the lubrication system proper functioning, and it and mechanical pump 4 are separately independently.

Claims (5)

1, a kind of wind direction type speed-increasing gearbox of wind driven generator down comprises casing, planetary gear train, transition gear axle, output gear shaft, it is characterized in that:
Casing comprises toggle, middle casing and rear box, is provided with the ring gear of planetary gear train between toggle and the middle casing, and the ring gear of toggle, planetary gear train, middle casing are connected by bolt successively with rear box;
Input planet carrier, sun gear wheel shaft, interior female splined shaft concentric; Between toggle and middle casing, its input end passes toggle to the input planet carrier by Bearing Installation; Sun gear wheel shaft and the engagement of interior female splined shaft, interior female splined shaft is provided with gearwheel;
Between casing and the rear box, the output terminal of output gear shaft passed rear box during female splined shaft, transition gear axle, output gear shaft were installed in parallel in by bearing; The transition gear axle is provided with the transition gearwheel;
Gear engagement on gearwheel on the female splined shaft and the transition gear axle, transition gearwheel on the transition gear axle and the gear engagement on the output gear shaft;
Input planet carrier and toggle junction and output gear shaft and rear box junction are equipped with seal ring;
Mechanical pump during the output gear shaft synchronous drive is installed on the casing, casing, input planet carrier and planet wheel shaft are provided with towards each Bearing Installation spot lubrication oil duct, mechanical pump is serially connected in the lubrication system of gear-box, and its output terminal is connected with each oil leab by the oil circuit distributor.
2, wind direction type speed-increasing gearbox of wind driven generator down according to claim 1 is characterized in that: three planet wheel shafts that input planet carrier periphery at least evenly is provided with, planet wheel shaft is provided with planet wheel.
3, upwind type speed-increasing gearbox of wind driven generator according to claim 1, it is characterized in that: described seal ring comprises flinger ring, disc and dust ring.
4, according to claim 1 or 2 or 3 described wind direction type speed-increasing gearbox of wind driven generator down, it is characterized in that: the planet wheel in the planetary gear train adopts two cylindrical roller bearings to be installed on the planet wheel shaft, and the input planet carrier adopts tapered roller bearing to be installed on toggle and the middle casing; One end of female splined shaft, transition gear axle, output gear shaft is installed in parallel on the rear box by the tapered roller bearing of pairing.
5, wind direction type speed-increasing gearbox of wind driven generator down according to claim 4, it is characterized in that: also be provided with the motor-drive pump in parallel on the middle casing with mechanical pump, be serially connected in the lubrication system of gear-box after mechanical pump and the motor-drive pump parallel connection, their output terminal is connected with each oil leab by public same oil circuit distributor.
CNU2009200374184U 2009-02-13 2009-02-13 Speed-increasing gearbox for downwind wind-driven generator Expired - Lifetime CN201367988Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2009200374184U CN201367988Y (en) 2009-02-13 2009-02-13 Speed-increasing gearbox for downwind wind-driven generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2009200374184U CN201367988Y (en) 2009-02-13 2009-02-13 Speed-increasing gearbox for downwind wind-driven generator

Publications (1)

Publication Number Publication Date
CN201367988Y true CN201367988Y (en) 2009-12-23

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Family Applications (1)

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Country Status (1)

Country Link
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102128250A (en) * 2011-03-15 2011-07-20 南京高速齿轮制造有限公司 Final-stage parallel speed increase stage for gear case of high-power wind driven generator
CN104930165A (en) * 2015-07-02 2015-09-23 南车戚墅堰机车车辆工艺研究所有限公司 Wind turbine gearbox and sun gear and planet carrier spline pair connection structure thereof
CN105402377A (en) * 2015-12-14 2016-03-16 南京安维士传动技术股份有限公司 Wind power gear box
EP3480508A1 (en) * 2017-11-01 2019-05-08 General Electric Company Lubrication system for a main bearing of a wind turbine
CN112943868A (en) * 2021-01-28 2021-06-11 天津华建天恒传动有限责任公司 High-power composite planetary wind power gear box

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102128250A (en) * 2011-03-15 2011-07-20 南京高速齿轮制造有限公司 Final-stage parallel speed increase stage for gear case of high-power wind driven generator
CN104930165A (en) * 2015-07-02 2015-09-23 南车戚墅堰机车车辆工艺研究所有限公司 Wind turbine gearbox and sun gear and planet carrier spline pair connection structure thereof
CN105402377A (en) * 2015-12-14 2016-03-16 南京安维士传动技术股份有限公司 Wind power gear box
EP3480508A1 (en) * 2017-11-01 2019-05-08 General Electric Company Lubrication system for a main bearing of a wind turbine
US10935003B2 (en) 2017-11-01 2021-03-02 General Electric Company Lubrication system for a main bearing of a wind turbine
CN112943868A (en) * 2021-01-28 2021-06-11 天津华建天恒传动有限责任公司 High-power composite planetary wind power gear box
CN112943868B (en) * 2021-01-28 2021-09-28 天津华建天恒传动有限责任公司 High-power composite planetary wind power gear box

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C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20091223