CN105626784B - Compound uniform-load wind power gear box - Google Patents

Compound uniform-load wind power gear box Download PDF

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Publication number
CN105626784B
CN105626784B CN201610086411.6A CN201610086411A CN105626784B CN 105626784 B CN105626784 B CN 105626784B CN 201610086411 A CN201610086411 A CN 201610086411A CN 105626784 B CN105626784 B CN 105626784B
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CN
China
Prior art keywords
compound
gear
planet
bearing
wheel
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 - Fee Related
Application number
CN201610086411.6A
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Chinese (zh)
Other versions
CN105626784A (en
Inventor
王均刚
刘燕德
墨蕊娜
欧阳爱国
刘宗麟
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.)
Senyou Industrial Automation Equipment Shandong Co ltd
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East China Jiaotong University
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Priority to CN201610086411.6A priority Critical patent/CN105626784B/en
Publication of CN105626784A publication Critical patent/CN105626784A/en
Application granted granted Critical
Publication of CN105626784B publication Critical patent/CN105626784B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/04—Combinations of toothed gearings only
    • F16H37/041—Combinations of toothed gearings only for conveying rotary motion with constant gear ratio
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D15/00—Transmission of mechanical power
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/40—Transmission of power
    • F05B2260/403—Transmission of power through the shape of the drive components
    • F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F05B2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclic, planetary or differential type
    • 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
    • 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 invention discloses a compound type load-sharing wind power gear box, wherein a main shaft (28) is supported on a front box body (27) through an angular contact ball bearing (29), the left side of the main shaft (28) is connected with a wind turbine blade hub to transmit power to the main shaft (28), and the main shaft (28) transmits the power to a compound planet carrier (1). The power density of the transmission is improved.

Description

Compound uniform-load wind power gear box
Technical Field
The invention relates to a wind power gear box, in particular to a compound load-sharing wind power gear box.
Background
The wind power gearbox is also called a wind power speed increasing box, the wind power speed increasing box is one of important components influencing the performance of the wind driven generator, and the dynamic characteristic of a planetary gear speed increasing transmission system serving as a main component of the wind power gearbox has important influence on the performance of the whole wind driven generator system. In order to meet the requirement of a large transmission ratio of the wind power speed increasing box, a 2-level or 3-level planetary gear train transmission mode is generally adopted, so that the problems of large volume, complex transmission mode and low power density of the wind power gear box are caused. In the design of planetary gear transmission, the problem of load distribution among planet gears is increasingly emphasized, and the high bearing capacity of the planetary gear train is that the planet gear train has a plurality of planet gears to share input load, so that if the load is unevenly distributed among the planet gears, the performance of the planetary gear transmission is greatly influenced.
Disclosure of Invention
The invention aims to provide a compound type uniform-load wind power gear box, which solves the defects of uneven load distribution and serious abrasion of a planetary gear train in the existing wind power gear box, and solves the problems of large volume, complex transmission form and low power density of the existing wind power gear box.
The invention is realized by the following steps that the double planetary gear comprises a double planetary carrier, a double large sun gear, a double planetary gear, a double inner gear ring, a bearing retainer ring, a long planetary mandrel, a sleeve, a box body, a deep groove bearing, a dead axle pinion, a bolt, a dead axle large gear, a gear shaft, a bearing end cover, a bearing, a gear sleeve, a double small sun gear, a bearing sleeve, a coupler, a gear sleeve, a short planetary mandrel, a double planetary gear, a support bearing, a front box body, a main shaft, an angular contact ball bearing and a key, and is characterized in that the main shaft is supported on the front box body through the angular contact ball bearing, the left side of the main shaft is connected with a wind turbine blade hub to transmit power to the main shaft, the main shaft transmits the power to the double planetary carrier, the double planetary carrier is mounted on the front box body through the support bearing, the long planetary mandrel is assembled on a compound planet carrier, a left end planetary gear of the compound duplex planetary gear is simultaneously meshed with a compound inner gear ring and a compound large sun gear, the compound large sun gear is axially positioned by a gear sleeve, a right end planetary gear of the compound duplex planetary gear is meshed with a compound small sun gear, the compound planetary gear is installed on a short planetary mandrel, the short planetary mandrel is assembled on the compound planet carrier, the compound planetary gear is simultaneously meshed with the compound inner gear ring and the compound large sun gear, the fixed shaft large gear is meshed with the gear shaft axially positioned by the gear sleeve, the deep groove bearing is axially positioned by a bearing sleeve, one end of the gear shaft is supported on the deep groove bearing and is installed on a box body through a bearing, the fixed shaft small gear is installed on the box body through the deep groove bearing axially positioned by the sleeve, the bearing end cover is connected to the box body through a bolt and is axially positioned by the sleeve, the fixed-shaft pinion is connected with an input shaft of the generator.
The compound planet carrier drives the compound planet gear to be in meshing transmission with the compound inner gear ring and the compound large sun gear.
The compound planet carrier drives the compound duplex planet wheel, and the right planet wheel of the compound duplex planet wheel is meshed with the compound small sun wheel for transmission.
The invention has the technical effects that: compared with the existing wind power gear box, the mechanism can realize double-split load balancing through the compound duplex planet wheels and the compound planet wheels, the input load is balanced through the compound planet row with a plurality of groups of planet gears, and the double-split load balancing is carried out by adopting the compound planet wheels and the compound duplex planet wheels which are small in size and light in weight, so that the defect that the number of the compound duplex planet wheels which are large in size and weight is limited can be overcome.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a right side view of the present invention.
In the figure, 1, a double planet carrier, 2, a double large sun gear, 3, a double planet gear, 4, a double inner gear ring, 5, a bearing retainer, 6, a long planet mandrel, 7, a sleeve, 8, a box body, 10, a deep groove bearing, 11, a fixed shaft pinion, 12, a bolt, 13, a fixed shaft bull gear, 14, a gear shaft, 15, a bearing end cover, 16, a bearing, 18, a gear sleeve, 19, a double small sun gear, 20, a bearing sleeve, 22, a coupler, 23, a gear sleeve, 24, a short planet mandrel, 25, a double planet gear, 26, a support bearing, 27, a front box body, 28, a main shaft, 29, an angular contact ball bearing, 30 and a key.
Detailed Description
The invention is described in detail with reference to fig. 1, 2 and 3, the main shaft 28 is supported on the front box 27 through an angular contact ball bearing 29, the left side of the main shaft 28 is connected with a wind turbine blade hub to transmit power to the main shaft 28, the main shaft 28 transmits power to the compound planet carrier 1, the compound planet carrier 1 is mounted on the front box 27 through a support bearing 26, the compound double planet gear 3 is mounted on the long planet spindle 6 and axially positioned by the bearing retainer 5 and the sleeve 7, the long planet spindle 6 is mounted on the compound planet carrier 1, the left end planet gear of the compound double planet gear 3 is simultaneously meshed with the compound inner gear ring 4 and the compound large sun gear 2, the compound large sun gear 2 is axially positioned by the gear sleeve 23, the right end planet gear of the compound double planet gear 3 is meshed with the compound small sun gear 19, the compound planet gear 25 is mounted on the short planet spindle 24, the short planet mandrel 24 is assembled on a compound planet carrier 1, the compound planet wheel 25 is simultaneously meshed with a compound inner gear ring 4 and a compound large sun wheel 2, the fixed shaft large gear 13 is meshed with a gear shaft 14 axially positioned by a gear sleeve 18, the deep groove bearing 10 is axially positioned by a bearing sleeve 20, one end of the gear shaft 14 is supported on the deep groove bearing 10 and is installed on a box body 8 through a bearing 16, the fixed shaft small gear 11 is installed on the box body 8 through the deep groove bearing 10 axially positioned by a sleeve 7, the bearing end cover 15 is connected to the box body 8 through a bolt 12 and is axially positioned by the sleeve 7, and the fixed shaft small gear 11 is connected with an input shaft of a generator.
The compound planet carrier 1 drives the compound planet gear 25 to be in meshing transmission with the compound inner gear ring 4 and the compound large sun gear 2.
The compound planet carrier 1 drives the compound duplex planet wheel 3, and the planet wheel at the right end of the compound duplex planet wheel 3 is in meshed transmission with the compound small sun wheel 19.
The working principle of the invention is as follows: the left end of a main shaft 28 is connected with a hub of a wind wheel blade to transmit power to the wind wheel blade generator, the right end of the main shaft 28 is connected with a compound planet carrier 1 to drive the compound planet carrier to rotate, two load transmission routes are provided, one route is that the compound planet carrier 1 drives a compound planet wheel 25 to be in meshing transmission with a compound inner gear ring 4 and a compound large sun wheel 2, the other route is that the compound planet carrier 1 drives a compound duplex planet wheel 3, a planet wheel at the right end of the compound duplex planet wheel 3 is in meshing transmission with a compound small sun wheel 19, the power is transmitted to a gear shaft 14 through a coupler 22, then the power is transmitted to a fixed-shaft small gear 11 through a fixed-shaft large gear.
The compound double-shunt load sharing principle of the invention is as follows: the left end of a main shaft 28 is connected with a hub of a wind wheel blade to transmit power to the main shaft 28, the right end of the main shaft 28 is connected with a compound planet carrier 1 to drive the main shaft to rotate, the main shaft divides two paths of load balancing, one path is that the compound planet carrier 1 drives a compound planet wheel 25 to be meshed with a compound inner gear ring 4 and a compound large sun wheel 2 for transmission, one path of load balancing is achieved, the other path is that the compound planet carrier 1 drives a compound duplex planet wheel 3, a planet wheel at the right end of the compound duplex planet wheel 3 is meshed with a compound small sun wheel 19 for transmission, the other path of load balancing is achieved, finally, the power is transmitted to a gear shaft 14 through a coupler 22, then the power is transmitted to a fixed-.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.

Claims (2)

1. A compound type uniform-load wind power gear box is characterized in that a main shaft (28) is supported on a front box body (27) through an angular contact ball bearing (29), the left side of the main shaft (28) is connected with a hub of a wind turbine blade to transmit power to the main shaft (28), the main shaft (28) transmits the power to the compound planet carrier (1), the compound planet carrier (1) is arranged on a front box body (27) through a supporting bearing (26), the compound duplex planet wheel (3) is arranged on a long planet mandrel (6) and is axially positioned by a bearing retainer ring (5) and a sleeve (7), the long planet mandrel (6) is assembled on the compound planet carrier (1), a planet gear at the left end of the compound duplex planet wheel (3) is simultaneously meshed with a compound inner gear ring (4) and a compound large sun wheel (2), the compound large sun wheel (2) is axially positioned by a gear sleeve (23), a planet gear at the right end of the compound duplex planet wheel (3) is meshed with a compound small sun wheel (19), and the compound planet wheel (25) is arranged on a short planet mandrel (24), the short planetary mandrel (24) is assembled on a compound planet carrier (1), the compound planet wheel (25) is simultaneously meshed with a compound inner gear ring (4) and a compound large sun gear (2), the fixed shaft large gear (13) is meshed with a gear shaft (14) axially positioned by a gear sleeve (18), the deep groove bearing (10) is axially positioned by a bearing sleeve (20), one end of the gear shaft (14) is supported on the deep groove bearing (10) and is arranged on a box body (8) through a bearing (16), the fixed shaft small gear (11) is arranged on the box body (8) through the deep groove bearing (10) axially positioned by a sleeve (9), the bearing end cover (15) is connected to the box body (8) through a bolt (12) and is axially positioned by a sleeve (7), and the fixed shaft small gear (11) is connected with an input shaft of a generator.
2. The compound load sharing wind power gearbox according to claim 1, wherein the transmission technical scheme has a two-way split load sharing mode, one way is that a compound planet carrier (l) drives a compound planet wheel (25) to be meshed with a compound inner gear ring (4) and a compound large sun wheel (2) for transmission, and one way load sharing is realized; the other one is that a compound planet carrier (1) drives a compound duplex planet wheel (3), and a planet wheel at the right end of the compound duplex planet wheel (3) is meshed with a compound small sun wheel (19) for transmission, so that the load balancing of the other path is realized.
CN201610086411.6A 2016-02-16 2016-02-16 Compound uniform-load wind power gear box Expired - Fee Related CN105626784B (en)

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Application Number Priority Date Filing Date Title
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CN105626784B true CN105626784B (en) 2020-06-12

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Publication number Priority date Publication date Assignee Title
CN109386434B (en) * 2018-11-22 2024-03-26 明阳智慧能源集团股份公司 Compact semi-direct-drive wind power gear box multi-shaft power split transmission structure
CN114263707B (en) * 2021-10-12 2023-04-28 西华大学 Highly integrated robot joint reducer and joint device

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Effective date of registration: 20221221

Address after: 253000 Songguantun Sub district Office, Dezhou Economic and Technological Development Zone, Shandong

Patentee after: Senyou Industrial Automation Equipment (Shandong) Co.,Ltd.

Address before: 330000 Shuanggang Road, Changbei Economic Development Zone, Nanchang City, Jiangxi Province

Patentee before: East China Jiaotong University

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