CN205780749U - A kind of double-fed wind power generator group gear-box - Google Patents
A kind of double-fed wind power generator group gear-box Download PDFInfo
- Publication number
- CN205780749U CN205780749U CN201620444125.8U CN201620444125U CN205780749U CN 205780749 U CN205780749 U CN 205780749U CN 201620444125 U CN201620444125 U CN 201620444125U CN 205780749 U CN205780749 U CN 205780749U
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- box
- oil
- gear
- circle
- generator group
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Abstract
The utility model discloses a kind of double-fed wind power generator group gear-box, power shaft sequentially passes through fore bearing, gear-box and rear bearing；Described fore bearing and rear bearing are installed on the two ends of casing；Described power shaft and output shaft transmit moment of torsion by drive system；The base plate of described casing is the conical bottom board of one piece of outwardly convex, and minimum point, at the intermediate point of conical bottom board, is provided with a circle on intermediate point surrounding wall and drains the oil box；Circle is drained the oil and is arranged multiple oil return through-hole in the middle of box and conical bottom board, and the circle cassette bottom portion that drains the oil is provided with draining valve.The utility model has the advantages that: be substantially reduced the fatigue load of gear-box internal bearings；Substantially reducing the probability of the gear wear quickening caused because of radial deformation, this outer case can solve the problem that the thorough problem of gear-box cleaning, improves gear-box and Working Life of Lubricating Oil；This wind-driven generator group wheel box simple in construction, easy installation and removal, clean thoroughly.
Description
Technical field
This utility model relates to technical field of wind power, particularly relates to a kind of double-fed wind power generator group gear-box.
Background technology
Supporting it is known that currently a popular trunnion axis double-fed wind power generator group is mostly bikini, front-end of spindle is connected with frame by a bearing, and tail end is rigidly connected with gear-box, and gear-box both sides are connected with frame by resilient support, constitutes supported at three point.But, the wind-driven generator group wheel box adopted the structure, gear-box not only undertakes torque load, in addition it is also necessary to the carrying additional load such as moment of flexure, thrust so that the fault rate of gear-box is greatly improved.
Wind-driven generator group wheel box is a kind of step-up gear, plays a part transmit moment of torsion and increase rotating speed in the Wind turbines using middle and high speed generator.Wind-driven generator group wheel box is used for preventing friction, extending gear life built with lubricating oil, but lubricating oil is typically after using 3-5, the inside just has gear meshing wear granule, precipitate and other pollutant are decomposed in oil ageing, although lubricating oil can be through supercooling circulating filtration, but still have more wear particle and precipitate to be deposited at the bottom of gear-box, remove the most difficult.Even if the gear box lubricating oil more renewed, the most thorough because clearing up bottom gear-box, operating along with gear-box, new oil is constantly overturn stirring, the deposit making bottom is constantly blended in lubricating oil, and then enter meshing zone of gears territory, thus strengthen abrasion and the lubricant pollution of gear-box, that causes gear case oil pollutes service life that is aging and that reduce gear-box in advance.
Lubricating oil has the effect cleaning gear-box.Gear-box is when long-distance sea, land transportation, for avoiding the corrosion of gear-box internal part and damage, jury preservative, antirust agent can be placed in gear-box, before gear-box uses, anticorrosion in gear-box, antirust agent all emptied, to be then shut off draining valve, add gear box lubricating oil from the fuel feed hole at gear-box top (or gear-box air filter hole or casing observation port) and be rinsed, then empty, complete the cleaning of gear-box.If not washing clean clearly, will result in the pollution of lubricating oil and reducing the service life of gear-box.Need when lubricating oil arrives service life to change in time, the method of more oil change is that suitable position arranges outage, draining valve and oil pump bottom gear-box at present, thus the lubricating oil in gear-box is emptied substantially, there is gear-box oil extraction thoroughly and the gear-box sordid problem of cleaning in this method of discharge, thus causes reduce the service life of gear-box and lubricating oil.
Summary of the invention
The problem that the purpose of this utility model is contemplated to overcome above-mentioned prior art to exist, a kind of double-fed wind power generator group gear-box is provided, there is provided a kind of double-fed wind power generator group gear-box to solve the problems referred to above, the gear-box making wind power generating set only undertakes moment of torsion effect, gear case body of the present utility model can solve the not thorough problem of gear-box cleaning, is greatly improved gear-box and Working Life of Lubricating Oil.
The technical solution adopted in the utility model is as follows: a kind of double-fed wind power generator group gear-box, including power shaft, two torque arms, casing, output shaft, fore bearing, drive system and rear bearing, power shaft sequentially passes through fore bearing, gear-box and rear bearing；Described fore bearing and rear bearing are installed on the two ends of casing；Described power shaft and output shaft transmit moment of torsion by drive system；There is the torque arm of two protrusions described casing both sides；Described fore bearing and rear bearing are all self-aligning bearing；Described fore bearing and rear bearing are all self-aligning bearing；Described drive system uses multistage planet and the kind of drive of multistage parallel axes；The base plate of described casing is the conical bottom board of one piece of outwardly convex, and minimum point, at the intermediate point of conical bottom board, is provided with a circle on intermediate point surrounding wall and drains the oil box；Circle is drained the oil and is arranged multiple oil return through-hole in the middle of box and conical bottom board, and the circle cassette bottom portion that drains the oil is provided with draining valve.
Circle described in the utility model is drained the oil and is equipped with Flange outside box, and Flange has installing hole, and described box body is fixed on conical bottom board by bolt through this installing hole.
Flange described in the utility model is provided with sealing gasket with the contact position of conical bottom board.
Draining valve described in the utility model is arranged on circle and drains the oil in the middle of cassette bottom portion, and circle box of draining the oil has certain angle of inclination, and gradually shrinks to draining valve position, and casing internal contamination granule and precipitate are concentrated and tilted to box bottom low level, are discharged by draining valve.
Base plate described in the utility model and the circle cassette bottom portion that drains the oil carries out grinding process, and whole tank surface inwall is coated with antiseep enamelled coating；Essentially consist in lubricant pollution granule and precipitate is difficult to stop in its tank surface, concentrate on circle and drain the oil in cassette bottom portion, then regularly replace base plate, reach thoroughly to clean gear-box problem.
Casing described in the utility model maybe can be divided into upper and lower two parts, and top is divided into casing cover, and bottom is divided into one piece of base plate, and casing cover and base plate are tightly connected；Four edges of box body wall of described casing cover lower part are respectively equipped with a horizontal folding plate；Four edge four limits of base plate are provided with vertical box body wall, and four edges of vertical box body wall are respectively equipped with a horizontal folding plate；Horizontal folding plate on described casing cover and the horizontal folding plate on base plate are equal in magnitude, and the two upper end is respectively arranged with screw hole, and screw hole is fixed by sealing bolt；Horizontal folding plate on described casing cover and the horizontal folding plate mid layer section on base plate are provided with seal washer, seal washer is shaped as ring-shaped, its size is identical with the horizontal folding plate on casing cover, its box body tightness is made to be greatly reinforced, first wind-driven generator group wheel box casing being separated into two parts, main thought is that the day-to-day operation maintenance content of wind-driven generator group wheel box specifically includes that equipment appearance inspection, noise test, oil level inspection, oil temperature, electrical wiring inspection etc..Its mode is for checking gear-box oil level, check that gear pump wiring, casing and lubricating pipe are with or without Seepage, the lubricating pipe of peripheral hardware has non-loosening, clean gear-box, utilize oil scale or oil level sight window to check that oil level is the most normal, oil colours is observed the most normal by glass oil window, find that oil level is on the low side should supplement in time and search concrete breakthrough, process in time and check whether filter element has iron filings and thoroughly clean inside；Shortcoming is that detection elapsed time is oversize, and the detection overall process typically completing a sample needs two to five days time；Testing result is accurate, but in fact more focus in status monitoring is the precision of trend rather than data；Part detecting instrument is expensive, bulky, is not suitable for promoting the use of and large area in enterprise's one-level；Can greatly reduce the repair time after casing is separated into two parts, above-mentioned maintenance is also than the simplest and simplification.
The utility model has the advantages that: the gear-box of the wind power generating set using this utility model to provide only undertakes moment of torsion effect, is substantially reduced the fatigue load of gear-box internal bearings；Moment outside gear-box not commitment, the axle of gear-box does not has radial deformation, substantially reducing the probability of the gear wear quickening caused because of radial deformation, this outer case can solve the problem that the thorough problem of gear-box cleaning, improves gear-box and Working Life of Lubricating Oil；This wind-driven generator group wheel box simple in construction, easy installation and removal, clean thoroughly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is of the present utility model to cut structural representation open.
In the drawings, power shaft 001, two torque arm 002, casing 003, output shaft 004, fore bearing 005, drive system 006 and rear bearing 007, base plate 008, circle drains the oil box 009, oil return through-hole 010, draining valve 011, Flange 012, bolt 013, sealing gasket 014.
Detailed description of the invention
This utility model is such to work and enforcement, a kind of double-fed wind power generator group gear-box, including power shaft 001, two torque arm 002, casing 003, output shaft 004, fore bearing 005, drive system 006 and rear bearing 007, power shaft 001 sequentially passes through fore bearing 005, gear-box and rear bearing 007；Described fore bearing 005 and rear bearing 007 are installed on the two ends of casing 003；Described power shaft 001 transmits moment of torsion with output shaft 004 by drive system 006；There are two torque arms 002 of two protrusions described casing 003 both sides；Described fore bearing 005 and rear bearing 007 are all self-aligning bearing；Described drive system 006 uses multistage planet and the kind of drive of multistage parallel axes；The conical bottom board that base plate 008 is one piece of outwardly convex of described casing 003, minimum point, at the intermediate point of conical bottom board, is provided with a circle on intermediate point surrounding wall and drains the oil box 009；Circle is drained the oil and is arranged multiple oil return through-hole 010 in the middle of box 009 and conical bottom board, is provided with draining valve 011 bottom circle drains the oil box 009.
Circle described in the utility model is drained the oil and is equipped with Flange 012 outside box 009, and Flange 012 has installing hole, and described box body is fixed on conical bottom board by bolt 013 through this installing hole；Described Flange 012 is provided with sealing gasket 014 with the contact position of conical bottom board；Described draining valve 011 is arranged on circle and drains the oil in the middle of bottom box 009, and circle box 009 of draining the oil has certain angle of inclination, and gradually shrinks to draining valve 011 position, is discharged by draining valve 011；Described base plate 008 and circle are drained the oil and are carried out grinding process bottom box 009, and whole tank surface inwall is coated with antiseep enamelled coating；Essentially consist in lubricant pollution granule and precipitate is difficult to stop in its tank surface, concentrate on circle and drain the oil in cassette bottom portion, then regularly replace base plate, reach thoroughly to clean gear-box problem.
Of the present utility model use running status is described below, and two torque arms 002 fix casing 003, and power shaft 001 turns clockwise under external force, rotating speed is 18rpm, by passing to output shaft 004, output shaft after drive system 006 speedup, the rotating speed of 04 is 1800rpm.Details are as follows for the concrete operations mode of more oil change: more during oil change, it is first turned on the draining valve 011 bottom box 009 of draining the oil of circle on gear housing and carrys out removal of lubricant, circle drain the oil box 009 bottom angled can ensure lubricating oil from draining valve 011 emptying, box 009 of periodically draining the oil circle is replaced.
Although above-mentioned, this utility model is elaborated; but this utility model is not limited to this; those skilled in the art can modify according to principle of the present utility model; therefore, all various amendments carried out according to principle of the present utility model all should be understood to fall into protection domain of the present utility model.
Claims (5)
1. a double-fed wind power generator group gear-box, including power shaft, two torque arms, casing, output shaft, fore bearing, drive system and rear bearing, power shaft sequentially passes through fore bearing, gear-box and rear bearing；Described fore bearing and rear bearing are installed on the two ends of casing；Described power shaft and output shaft transmit moment of torsion by drive system；There is the torque arm of two protrusions described casing both sides；Described fore bearing and rear bearing are all self-aligning bearing；Described drive system uses multistage planet and the kind of drive of multistage parallel axes；It is characterized in that: the base plate of described casing is the conical bottom board of one piece of outwardly convex, minimum point, at the intermediate point of conical bottom board, is provided with a circle on intermediate point surrounding wall and drains the oil box；Circle is drained the oil and is arranged multiple oil return through-hole in the middle of box and conical bottom board, and the circle cassette bottom portion that drains the oil is provided with draining valve.
A kind of double-fed wind power generator group gear-box the most according to claim 1, it is characterised in that: described circle is drained the oil and is equipped with Flange outside box, and Flange has installing hole, and box body is fixed on conical bottom board by bolt through this installing hole.
A kind of double-fed wind power generator group gear-box the most according to claim 2, it is characterised in that: described Flange is provided with sealing gasket with the contact position of conical bottom board.
A kind of double-fed wind power generator group gear-box the most according to claim 1, it is characterised in that: described draining valve is arranged on circle and drains the oil in the middle of cassette bottom portion, and circle box of draining the oil has certain angle of inclination, and gradually shrinks to draining valve position.
A kind of double-fed wind power generator group gear-box the most according to claim 1, it is characterised in that: described base plate and the circle cassette bottom portion that drains the oil carries out grinding process, and whole tank surface inwall is coated with antiseep enamelled coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620444125.8U CN205780749U (en) | 2016-05-16 | 2016-05-16 | A kind of double-fed wind power generator group gear-box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620444125.8U CN205780749U (en) | 2016-05-16 | 2016-05-16 | A kind of double-fed wind power generator group gear-box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205780749U true CN205780749U (en) | 2016-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620444125.8U Expired - Fee Related CN205780749U (en) | 2016-05-16 | 2016-05-16 | A kind of double-fed wind power generator group gear-box |
Country Status (1)
| Country | Link |
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| CN (1) | CN205780749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946564A (en) * | 2019-05-16 | 2020-11-17 | 西门子歌美飒可再生能源公司 | Bearing arrangement for a wind turbine and wind turbine |
-
2016
- 2016-05-16 CN CN201620444125.8U patent/CN205780749U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946564A (en) * | 2019-05-16 | 2020-11-17 | 西门子歌美飒可再生能源公司 | Bearing arrangement for a wind turbine and wind turbine |
| EP3739208A1 (en) * | 2019-05-16 | 2020-11-18 | Siemens Gamesa Renewable Energy A/S | Bearing arrangement for a wind turbine and wind turbine |
| US11248590B2 (en) | 2019-05-16 | 2022-02-15 | Siemens Gamesa Renewable Energy A/S | Bearing arrangement for a wind turbine and wind turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20210516 |
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| CF01 | Termination of patent right due to non-payment of annual fee |