CN204942504U - Lubricating system of wind power gear box - Google Patents
Lubricating system of wind power gear box Download PDFInfo
- Publication number
- CN204942504U CN204942504U CN201520616757.3U CN201520616757U CN204942504U CN 204942504 U CN204942504 U CN 204942504U CN 201520616757 U CN201520616757 U CN 201520616757U CN 204942504 U CN204942504 U CN 204942504U
- Authority
- CN
- China
- Prior art keywords
- shoe cream
- cream room
- gear
- lubricating oil
- planet carrier
- 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.)
- Withdrawn - After Issue
Links
- 230000001050 lubricating effect Effects 0.000 title abstract description 10
- 239000003921 oil Substances 0.000 claims abstract description 61
- 239000010687 lubricating oil Substances 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 239000006071 cream Substances 0.000 claims description 51
- 238000005461 lubrication Methods 0.000 claims description 37
- 239000000314 lubricant Substances 0.000 claims description 33
- 230000005611 electricity Effects 0.000 abstract 1
- 239000004519 grease Substances 0.000 description 27
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000010724 circulating oil Substances 0.000 description 2
- 230000004520 agglutination Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model provides a lubricating system suitable for wind-powered electricity generation gear box, includes oil storage chamber, lubricated oil circuit, first oil storage chamber passes through mechanical seal by one-level planet carrier and gear front box lid and constitutes, and the second oil storage chamber comprises one-level sun gear back shaft and one-level planet carrier, and the third oil storage chamber comprises one-level sun gear back shaft and second grade planet carrier. The oil storage cavities are communicated through a lubricating oil pipe, and the lubricating oil pipe is provided with a shunt circuit to lubricate parts of the gear box, such as bearings and gear meshing parts, which need to be lubricated. The utility model makes the pipe arrangement in the gear box arranged on the planet carrier, the box body, the sun wheel and other parts, effectively combines the transmission system and the lubricating system together, and achieves the results of saving a large amount of pipe arrangement and reducing the weight of the equipment; lubricating oil pipes or nozzles are arranged at positions of the gears needing to be lubricated, such as the meshing positions of the bearings and the gears, so that the lubricating oil is directly delivered, and the lubricating effect is good; the bearing and each meshing point are fully lubricated, and the wind power gear box is safer and more reliable in working.
Description
Technical field
The utility model relates to the lubrication technical field of gear-box, particularly a kind of lubrication system of wind turbine gearbox.
Background technique
Lubrication system is the important component part of wind turbine gearbox, and its structural type is to service behaviour, the operational security of gear-box and produce material impact working life.According to statistics, in the fault of wind power gear, about 75% fault is directly or indirectly caused by lubrication system fault, spot corrosion as bearing was lost efficacy, and normally because the load of raceway is excessive, added friction effect, cause the temperature rise aggravation of raceway contact position, if lubrication system now can not take away heat by heat exchange in time, bearing temperature can exceed allowed band, and bearing was lost efficacy rapidly.For gear, common failure mode is tooth face agglutination, spot corrosion and corrosion etc., and these failure modes are also closely bound up with the lubrication state of contact points.Therefore, how by lubrication system, economical, effectively lubricant oil is transported to each crucial lubricating point, be the key improving gear-box reliability.
Form that is outside at gear case body and inner stringing is generally taked in current lubricating pipe design, does not substantially utilize the structural member of gear-box inside, as planet carrier and casing etc.The shortcoming of this design is: not only cost is high for (1) internal lubrication stringing, too increases weight simultaneously: (2) stringing is more. the circuit that lubricant oil flows through is longer, and lubrication pressure loss is larger, causes added power dissipation; (3) stringing it is also proposed requirements at the higher level to gear-box inner space; (4) stringing often causes excessive, the overweight design of casing to the demand in space; (5) stringing is more, and interface is also more, adds the risk that lubrication system is revealed and reduced pressure.Therefore, for gear-box, design one can reduce expense cost, can ensure good sealing property again, and then the lubrication system improving lubrication system reliability is very important.
The patent of invention (application number is " 201110421140.2 ") of " oil lubrication system " of the application of Harbin Dongan Engine Co., Ltd, feature utilizes on the component such as planet carrier to arrange oil circuit, replace part stringing, save cloth tube space, but fail to make full use of gear-box component, still there is the oil circuit stringing that center tube etc. is independent, adopt integral type stringing lubrication system architecture form, the problem of the easy leakage of oil in tubing interface place still exists.
Summary of the invention
The purpose of this utility model is to provide one and overcomes the deficiencies in the prior art, solves the problem that stringing cost is high, gear-box is heavy, reduces the risk that lubrication system is revealed and reduced pressure, transmission system and lubrication system are combined, form the lubrication system of real integral type.
This wind turbine gearbox lubrication system is applied to and is added in the wind turbine gearbox that the transmission of one-level parallel-axes gears forms by two-stage planet.Two-stage planet in gear-box adopts serial fashion, and it is secondary that wheel hub input power all flows through every one-level Gear Planet Transmission.Relate to the Lubrication Design of all gear engagement position of I and II Gear Planet Transmission and position of bearings.
1, the technical solution of the utility model is that this lubrication system comprises shoe cream room, lubricating oil pipeline, described shoe cream room comprises the first shoe cream room, the second shoe cream room and the 3rd shoe cream room, and described first shoe cream room consists of mechanical seal case lid before primary planet carrier and gear; Described second shoe cream room is made up of one-level sun gear back shaft and primary planet carrier; Described 3rd shoe cream room is made up of one-level sun gear back shaft and secondary planet frame; Be connected by lubricating oil pipeline between shoe cream room, first, second shoe cream room is connected by the main delivery pipe road be arranged on primary planet carrier, second, third shoe cream room is connected by the main delivery pipe road on one-level sun gear back shaft, and described lubricating oil pipeline is all arranged on the component of machine of gear-box.
Primary planet carrier flows to except being provided with the main delivery pipe road of first, second shoe cream room of connection the oil leab branch of primary planet carrier bearing, primary planet wheel/gear ring pipe arrangement, primary planet wheel/sun gear pipe arrangement, one-level flexible pin shaft in addition respectively; Lubricating oil pipeline on primary planet flexible pin shaft is connected with the lubricating oil pipeline on primary planet wheel sleeve; Lubricant oil in lubricating oil bath, by gear-box mechanical pump/exterior electric pump, is pumped into the first shoe cream room by lubricating oil inlet by planet carrier.
Lubricant oil in first shoe cream room is divided into five branching part: first portion flow to the primary planet carrier bearing on primary planet carrier via the grease channel be arranged on primary planet carrier, this bearing is lubricated.Lubricant oil by and this bearing in the heat exchange of lubricating point, frictional heat is taken away, flow to oil back chamber by the grease channel on front case lid, in the oil sump during the lubrication channel on the premenstrual case lid of the lubricant oil in this oil back chamber flows in casing; Second portion flows into primary planet wheel/gear ring pipe arrangement by the grease channel on primary planet carrier, by being arranged on the nozzle on pipe arrangement, lubricant oil is injected in this point of mesh; Part III passes through-level planet carrier on grease channel flow into primary planet wheel/sun gear pipe arrangement, by being arranged on the nozzle on pipe arrangement, lubricant oil is injected in this point of mesh; Part IV flow to the second shoe cream room by the grease channel on primary planet carrier; Part V, by the grease channel on primary planet carrier, flows through the grease channel on primary planet flexible pin shaft, then the grease channel on primary planet wheel sleeve, flow to primary planet wheel bearing, to ensure the lubrication of this position of bearings.
One-level sun gear is supported by the sliding bearing on one-level sun gear back shaft, one-level sun gear back shaft has the lubricant oil branch road flowing to sliding bearing; The lubricant oil part flow in the second shoe cream room flow to this sliding bearing by the lubricating oil pipeline on one-level sun gear back shaft, ensures that it is lubricated.Remaining part is mainly used in the lubrication of second level Gear Planet Transmission.
-level sun gear back shaft and secondary planet frame form the 3rd shoe cream room.Secondary planet frame there is the lubricating oil pipeline branch flowing to secondary planet wheel/gear ring pipe arrangement, secondary planet wheel/sun gear pipe arrangement, secondary planet flexible pin shaft respectively; Lubricating oil pipeline on secondary planet flexible pin shaft is connected with the oil leab on secondary planet wheel sleeve.After lubricant oil flow to the 3rd shoe cream room by the lubricating oil pipeline on-level sun gear back shaft, flow mostly to three directions: first portion flow to secondary planet wheel/gear ring pipe arrangement by the grease channel be arranged on secondary planet frame, by being arranged on the nozzle on pipe arrangement, lubricant oil is injected in this point of mesh; Second portion flows into secondary planet wheel/sun gear pipe arrangement by the grease channel on secondary planet frame, by being arranged on the nozzle on pipe arrangement, lubricant oil is injected in this point of mesh; Part III, by the grease channel on secondary planet frame, flows through the grease channel on secondary planet flexible pin shaft, then the grease channel on secondary planet wheel sleeve, flow to secondary planet wheel bearing, ensures the lubrication of this position of bearings.
One-level, secondary planet wheel bearing, the lubricant oil of one-level, secondary planet driving gear contact points at the lubricant oil with lubricating point, is taken away heat, is revert to the oil sump in middle casing after heat exchange.Gear-box mechanical pump/exterior electric pump is by the lubricant oil sucking-off of oil sump, and by the heat exchanger of Pipeline transport to gear-box outside, again by the lubricant oil release heat wherein of heat exchanger, temperature is reduced, and then be pumped to the lubricating oil inlet of gear-box, thus form a circulating oil system of wind turbine gearbox.
All lubricating oil pipelines of the present utility model are all arranged on the component such as planet carrier, casing and sun gear, form the lubrication system architecture of real integral type, eliminate the existence of the inner stringing separately of gear-box, decrease stringing cost, reduce gear-box weight, simultaneously because oil pocket is not be connected by pipe arrangement with each grease channel in lubrication system, but be directly communicated with, reduce the risk of leakage of oil.
Accompanying drawing explanation
Accompanying drawing is structural representation of the present utility model
Description of reference numerals: primary planet carrier 1; Front case lid 2; One-level sun gear 3; Primary planet flexible pin shaft 4; One-level ring gear 5; Middle casing 6; Secondary planet frame 7; Secondary planet flexible pin shaft 8; Secondary ring gear 9; Rear box 10; Primary planet carrier bearing 11; Oil back chamber 12; First shoe cream room 13; Primary planet wheel bearing 14; Secondary planet wheel bearing 15; Primary planet wheel/gear ring pipe arrangement 16; Primary planet wheel/sun gear pipe arrangement 17; Secondary planet wheel/gear ring pipe arrangement 18; Secondary planet wheel/sun gear pipe arrangement 19; Sliding bearing 20; Lubricating oil inlet 21; Mechanical sealing 22; Second shoe cream room 23;-level sun gear back shaft 24; 3rd shoe cream room 25; Oil sump 26; Primary planet wheel sleeve 27; Secondary planet wheel sleeve 28.
Embodiment
In order to make those skilled in the art understand the technical solution of the utility model in detail, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in the figure, the utility model lubrication system comprises shoe cream room, lubricating oil pipeline, described shoe cream room comprises the first shoe cream room 13, second shoe cream room 23 and the 3rd shoe cream room 25, and described first shoe cream room 13 consists of mechanical sealing case lid 2 before primary planet carrier 1 and gear; Described second shoe cream room 23 is made up of one-level sun gear back shaft 24 and primary planet carrier 1; Described 3rd shoe cream room 25 is made up of one-level sun gear back shaft 24 and secondary planet frame 7; Be connected by lubricating oil pipeline between shoe cream room, first, second shoe cream room is connected by the main delivery pipe road be arranged on primary planet carrier 1, second, third shoe cream room is connected by the main delivery pipe road on one-level sun gear back shaft 24, and described lubricating oil pipeline is all located on the component of machine of gear-box.
Primary planet carrier 1 flows to except being provided with the main delivery pipe road of first, second shoe cream room of connection the lubricating oil pipeline branch of primary planet carrier bearing 11, primary planet wheel/gear ring pipe arrangement 16, primary planet wheel/sun gear pipe arrangement 17, one-level flexible pin shaft 4 in addition respectively; Lubricating oil pipeline on primary planet flexible pin shaft 4 is connected with the lubricating oil pipeline on primary planet wheel sleeve 27; Lubricant oil in lubricating oil bath, by gear-box mechanical pump/exterior electric pump, is pumped into the first shoe cream room 13 by lubricating oil inlet 21 by planet carrier.
Lubricant oil in first shoe cream room 13 is divided into five branching part: first portion flow to the primary planet carrier bearing 11 on primary planet carrier 1 via the grease channel be arranged on primary planet carrier 1, this bearing is lubricated.Lubricant oil by and this bearing in the heat exchange of lubricating point, frictional heat is taken away, flow to oil back chamber 12 by the grease channel on front case lid 2, in the oil sump 26 during the lubrication channel on the premenstrual case lid 2 of the lubricant oil in this oil back chamber 12 flows in casing 6; Second portion flows into primary planet wheel/gear ring pipe arrangement 16 by the grease channel on primary planet carrier 1, by being arranged on the nozzle on pipe arrangement, lubricant oil is injected in this point of mesh; Part III passes through-level planet carrier 1 on grease channel flow into primary planet wheel/sun gear pipe arrangement 17, by being arranged on the nozzle on pipe arrangement, lubricant oil is injected in this point of mesh; Part IV flow to the second shoe cream room 23 by the grease channel on primary planet carrier 1; Part V, by the grease channel on primary planet carrier 1, flows through the grease channel on primary planet flexible pin shaft 4, then the grease channel on primary planet wheel sleeve 27, flow to primary planet wheel bearing 14, to ensure the lubrication of this position of bearings.
One-level sun gear 3 is supported by the sliding bearing 20 on one-level sun gear back shaft 24, one-level sun gear back shaft 24 has the lubricant oil branch road flowing to sliding bearing 20; The lubricant oil part flow in the second shoe cream room 23 flow to this sliding bearing 20 by the lubricating oil pipeline on one-level sun gear back shaft 24, ensures that it is lubricated.Remaining part is mainly used in the lubrication of second level Gear Planet Transmission.
-level sun gear back shaft 24 and secondary planet frame 7 form the 3rd shoe cream room 25.Secondary planet frame 7 there is the lubricating oil pipeline branch flowing to secondary planet wheel/gear ring pipe arrangement 18, secondary planet wheel/sun gear pipe arrangement 19, secondary planet flexible pin shaft 8 respectively; Lubricating oil pipeline on secondary planet flexible pin shaft 8 is connected with the oil leab on secondary planet wheel sleeve 28.After lubricant oil flow to the 3rd shoe cream room 25 by the lubricating oil pipeline on-level sun gear back shaft 24, flow mostly to three directions: first portion flow to secondary planet wheel/gear ring pipe arrangement 18 by the grease channel on secondary planet frame 7, by being arranged on the nozzle on pipe arrangement, lubricant oil is injected in this point of mesh; Second portion flows into secondary planet wheel/sun gear pipe arrangement 19 by the grease channel on secondary planet frame 7, by being arranged on the nozzle on pipe arrangement, lubricant oil is injected in this point of mesh; Part III, by the grease channel on secondary planet frame 7, flows through the grease channel on secondary planet flexible pin shaft 8, then the grease channel on secondary planet wheel sleeve 28, flow to secondary planet wheel bearing 15, ensures the lubrication of this position of bearings.
One-level, secondary planet wheel bearing, the lubricant oil of one-level, secondary planet driving gear contact points after heat exchange, takes away heat at the lubricant oil with lubricating point, revert in the oil sump 26 in middle casing 6.Gear-box mechanical pump/exterior electric pump is by the lubricant oil sucking-off of oil sump, and by the heat exchanger of Pipeline transport to gear-box outside, again by the lubricant oil release heat wherein of heat exchanger, temperature is reduced, and then be pumped to the lubricating oil inlet 21 of gear-box, thus form a circulating oil system of wind turbine gearbox.
Above-described is only preferred implementation of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from creation design of the present utility model; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (3)
1. the lubrication system of a wind turbine gearbox, relate to the Lubrication Design of all gear engagement position of I and II Gear Planet Transmission and position of bearings, it is characterized in that: this lubrication system comprises shoe cream room, lubricating oil pipeline, described shoe cream room comprises the first shoe cream room (13), the second shoe cream room (23) and the 3rd shoe cream room (25), and described first shoe cream room (13) is made up of case lid (2) before primary planet carrier (1) and gear; Described second shoe cream room (23) is made up of one-level sun gear back shaft (24) and primary planet carrier (1); Described 3rd shoe cream room (25) is made up of one-level sun gear back shaft (24) and secondary planet frame (7); Be connected by lubricating oil pipeline between shoe cream room, described lubricating oil pipeline is all located on the component of machine of gear-box.
2. the lubrication system of a kind of wind turbine gearbox as claimed in claim 1, it is characterized in that: first, second shoe cream room is connected by the main delivery pipe road be arranged on primary planet carrier (1), second, third shoe cream room is connected by the main delivery pipe road on one-level sun gear back shaft (24).
3. the lubrication system of a kind of wind turbine gearbox as claimed in claim 1, is characterized in that: lubricating oil pipeline branch primary planet carrier (1) flowing to except being provided with the main delivery pipe road of first, second shoe cream room of connection primary planet carrier bearing (11), primary planet wheel/gear ring pipe arrangement (16), primary planet wheel/sun gear pipe arrangement (17), one-level flexible pin shaft (4) in addition respectively; Lubricating oil pipeline on primary planet flexible pin shaft (4) is connected with the lubricating oil pipeline on primary planet wheel sleeve (27); One-level sun gear back shaft (24) there is the lubricant oil branch road flowing to sliding bearing (20); Secondary planet frame (7) there is the lubricating oil pipeline branch flowing to secondary planet wheel/gear ring pipe arrangement (18), secondary planet wheel/sun gear pipe arrangement (19), secondary planet flexible pin shaft (8) respectively; Lubricating oil pipeline on secondary planet flexible pin shaft (8) is connected with the oil leab on secondary planet wheel sleeve (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520616757.3U CN204942504U (en) | 2015-08-14 | 2015-08-14 | Lubricating system of wind power gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520616757.3U CN204942504U (en) | 2015-08-14 | 2015-08-14 | Lubricating system of wind power gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204942504U true CN204942504U (en) | 2016-01-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520616757.3U Withdrawn - After Issue CN204942504U (en) | 2015-08-14 | 2015-08-14 | Lubricating system of wind power gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204942504U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156646A (en) * | 2015-08-14 | 2015-12-16 | 青岛大学 | Lubricating system of wind power gear box |
| CN107100992A (en) * | 2017-06-06 | 2017-08-29 | 山东大学 | A kind of self-lubricated high-speed ball screw pair and method |
| CN110081150A (en) * | 2019-05-14 | 2019-08-02 | 南京高速齿轮制造有限公司 | Wind turbine gearbox and its planet wheel bearing lubricate fixed structure |
| CN110475970A (en) * | 2017-04-12 | 2019-11-19 | 艾德温股份有限公司 | The lubricating system of power train for wind turbine |
| CN114483929A (en) * | 2022-02-09 | 2022-05-13 | 上海电气风电集团股份有限公司 | Planetary-level lubricating mechanism of gearbox of wind driven generator |
-
2015
- 2015-08-14 CN CN201520616757.3U patent/CN204942504U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156646A (en) * | 2015-08-14 | 2015-12-16 | 青岛大学 | Lubricating system of wind power gear box |
| CN105156646B (en) * | 2015-08-14 | 2018-07-27 | 青岛大学 | Lubricating system of wind power gear box |
| CN110475970A (en) * | 2017-04-12 | 2019-11-19 | 艾德温股份有限公司 | The lubricating system of power train for wind turbine |
| US10975850B2 (en) | 2017-04-12 | 2021-04-13 | Adwen Gmbh | Lubrication system for a drive train of a wind turbine |
| CN107100992A (en) * | 2017-06-06 | 2017-08-29 | 山东大学 | A kind of self-lubricated high-speed ball screw pair and method |
| CN107100992B (en) * | 2017-06-06 | 2023-05-16 | 山东大学 | Automatic lubrication high-speed ball screw pair and method |
| CN110081150A (en) * | 2019-05-14 | 2019-08-02 | 南京高速齿轮制造有限公司 | Wind turbine gearbox and its planet wheel bearing lubricate fixed structure |
| CN110081150B (en) * | 2019-05-14 | 2024-03-01 | 南京高速齿轮制造有限公司 | Wind power gear box and planet wheel bearing lubrication fixing structure thereof |
| CN114483929A (en) * | 2022-02-09 | 2022-05-13 | 上海电气风电集团股份有限公司 | Planetary-level lubricating mechanism of gearbox of wind driven generator |
| CN114483929B (en) * | 2022-02-09 | 2023-10-03 | 上海电气风电集团股份有限公司 | Planetary lubrication mechanism of wind driven generator gear box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160106 Effective date of abandoning: 20180727 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160106 Effective date of abandoning: 20180727 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |