CN204387268U - A kind of wind turbine gearbox upper box - Google Patents
A kind of wind turbine gearbox upper box Download PDFInfo
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- CN204387268U CN204387268U CN201420795786.6U CN201420795786U CN204387268U CN 204387268 U CN204387268 U CN 204387268U CN 201420795786 U CN201420795786 U CN 201420795786U CN 204387268 U CN204387268 U CN 204387268U
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- oilhole
- upper box
- high speed
- box body
- shaft bearing
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Abstract
The utility model discloses a kind of wind turbine gearbox upper box, comprise upper box body, upper box body has wind direction bearing hole under low speed jack shaft, wind direction bearing hole and high speed shaft bearing saddle bore under high speed jack shaft, high speed shaft bearing support is housed in high speed shaft bearing saddle bore, the first oil pipe and the second oil pipe upper box body be equipped with, the upper box body being positioned at high speed shaft bearing saddle bore other has the first oilhole, second oilhole, 3rd oilhole and the 4th oilhole, first oil pipe outlet end communicates with the first oilhole, first oilhole communicates with the second oilhole, second oilhole leads to upper box intrinsic second level parallel drive gear cavity, first oilhole also communicates with the 3rd oilhole, 3rd oilhole is towards wind direction bearing hole under high speed jack shaft, first oilhole also communicates with the 4th oilhole, 4th oilhole leads to high speed shaft bearing support, the 5th oilhole is also had in the oil path distributor of upper box bodies top.The utility model reliability is high, leakage of oil and oil impregnate risk is low, maintainability is high, cost is low.
Description
Technical field
The utility model relates to a kind of casing of gear-box, especially about the upper box of wind turbine gearbox.
Background technique
Along with the fast development of wind generating technology, the transmission power of Wind turbines is increasing, requires more and more higher, to reduce high transport, lifting and maintenance cost to gear of wind power speed-increasing gearbox reliability and maintainability.Current megawatt-level wind step-up gear generally adopts three grades of step-up drive, is mainly divided into primary planet+two-stage parallel axis transmission and two-stage planet+one-level driving of parallel axes.Wherein again to adopt the wind turbine gearbox of primary planet+two-stage parallel axis kind of drive in the majority.
In existing wind turbine gearbox, gearbox lubrication system passage generally adopts pipeline as lubrication channel, as shown in Figure 1, this lubrication system architecture due to pipe joint a lot, oil impregnate is very risky, and the required precision of pipe joint place to processing is higher, otherwise easy seepage, therefore cause the reliability of lubrication system greatly to reduce.According to wind field investigation, pipe joint oozes oil condition and happens occasionally, and blower fan safeguards that it is large that field maintenance person lifts workload because needs carry out in high-altitude, dangerous high, should avoid leakage of oil, the generation of oil impregnate situation as far as possible.
And along with Wind turbines is to the control of complete machine weight, cabin space is had higher requirement, therefore should simplify the maintenance work of gear-box as far as possible, reduce the corner that will safeguard as far as possible, make gear-box be convenient to safeguard.
Summary of the invention
The purpose of this utility model is to provide a kind of can improve wind turbine gearbox lubrication system reliability, reduce leakage of oil and oil impregnate risk, improve maintainable, to reduce maintenance cost wind turbine gearbox upper box.
In order to achieve the above object, the technical solution of the utility model is: a kind of wind turbine gearbox upper box, comprise upper box body, described upper box body has wind direction bearing hole under low speed jack shaft, wind direction bearing hole and high speed shaft bearing saddle bore under high speed jack shaft, high speed shaft bearing support is housed in high speed shaft bearing saddle bore, the first oil pipe and the second oil pipe upper box body be equipped with, first oil pipe entrance point is connected on the oil path distributor of upper box bodies top, outlet end is connected on by the high speed shaft bearing saddle bore of upper box body, second oil pipe entrance point is connected on the oil path distributor of upper box bodies top, outlet end is connected on wind direction bearing hole place under the low speed jack shaft of upper box body and wind direction bearing hole under leading to low speed jack shaft, the upper box body being positioned at high speed shaft bearing saddle bore other has the first oilhole, second oilhole, 3rd oilhole and the 4th oilhole, described first oil pipe outlet end communicates with the first oilhole, first oilhole communicates with the second oilhole, second oilhole leads to upper box intrinsic second level parallel drive gear cavity, described first oilhole also communicates with the 3rd oilhole, 3rd oilhole is towards wind direction bearing hole under high speed jack shaft, described first oilhole also communicates with the 4th oilhole, 4th oilhole leads to high speed shaft bearing support, the 5th oilhole is also had in the oil path distributor of described upper box bodies top.
Described first oilhole is the axially extended oilhole being parallel to high speed shaft bearing saddle bore axis, described second oilhole is the oilhole extended along high speed shaft bearing saddle bore radial direction, described 3rd oilhole is the oilhole of vertical extension, described 4th oilhole is the oilhole of level to extension, and described 5th oilhole level is to the oilhole extended.
Described first oilhole also leads to upper box intrinsic third level parallel drive gear cavity.
After adopting said structure, because wind turbine gearbox upper box of the present utility model adopts the first oilhole of box house, the second oilhole, the 3rd oilhole, the 4th oilhole and the 5th oilhole, only adopt the first oil pipe and the second oil pipe two external oil pipes, relative to multiple-tubing string, multiple pipe joint of prior art, leakage of oil and oil impregnate risk reduce greatly, and wind turbine gearbox reliability improves; Also because external oil pipe quantity is few, so pipeline maintainability provides greatly, substantially non-maintaining, the maintainability of wind turbine gearbox is improved greatly, and maintenance cost significantly reduces; In addition, the lubrication system of wind turbine gearbox is assembled and significantly simplifies, packaging efficiency significantly improves; Again because external oil pipe quantity is few, significantly improve Transport Safety and the Hoisting Security of gear-box, significantly reduce the risk of transport and lifting.
Accompanying drawing explanation
The embodiment provided below in conjunction with accompanying drawing is described in further detail the utility model.
Fig. 1 is the perspective view of existing wind turbine gearbox upper box;
Fig. 2 is the perspective view of wind turbine gearbox upper box of the present utility model;
Fig. 3 is the front view of Fig. 2;
Fig. 4 is the C-C sectional view of Fig. 3;
Fig. 5 is the plan view of Fig. 3;
Fig. 6 is the A-A sectional view of Fig. 5;
Fig. 7 is the B-B sectional view of Fig. 5;
Fig. 8 is the left view of Fig. 3;
Fig. 9 is the D-D sectional view of Fig. 8.
Embodiment
As shown in Figure 1, be the perspective view of existing wind turbine gearbox upper box, this wind turbine gearbox upper box comprises wind direction bearing hole S1-2 under wind direction bearing hole S1-1 under upper box body S1, low speed jack shaft, high speed jack shaft, high speed shaft bearing support B1, oil path distributor Y1, oil pipe G1, oil pipe G2, oil pipe G3, oil pipe G4, oil pipe G5 and oil pipe G6.Oil pipe on this wind turbine gearbox upper box is many, and pipe joint is many, and leakage of oil, oil impregnate have a big risk.
As Fig. 2, 3, 4, 5, 6, 7, 8, shown in 9, wind turbine gearbox upper box of the present utility model, comprise upper box body 10, described upper box body 10 has wind direction bearing hole 10-1 under low speed jack shaft, wind direction bearing hole 10-2 and high speed shaft bearing saddle bore 10-3 under high speed jack shaft, in high speed shaft bearing saddle bore 10-3, high speed shaft bearing support 5 is housed, the first oil pipe 7 and the second oil pipe 8 upper box body 10 be equipped with, first oil pipe 7 entrance point is connected on the oil path distributor 9 at upper box body 10 top, outlet end is connected on by the high speed shaft bearing saddle bore 10-3 of upper box body 10, second oil pipe 8 entrance point is connected on the oil path distributor 9 at upper box body 10 top, outlet end is connected on wind direction bearing hole 10-1 place under the low speed jack shaft of upper box body 10 and wind direction bearing hole 10-1 under leading to low speed jack shaft, the upper box body 10 being positioned at high speed shaft bearing saddle bore 10-3 other has the first oilhole 1, second oilhole 2, 3rd oilhole 3 and the 4th oilhole 4, described first oil pipe 7 outlet end communicates with the first oilhole 1, first oilhole 1 communicates with the second oilhole 2, second oilhole 2 leads to the second level parallel drive gear cavity 11 in upper box body 10, described first oilhole 1 also communicates with the 3rd oilhole 3, 3rd oilhole 3 is towards wind direction bearing hole 10-2 under high speed jack shaft, described first oilhole 1 also communicates with the 4th oilhole 4, 4th oilhole 4 leads to high speed shaft bearing support 5, the 5th oilhole 6 is also had in the oil path distributor 9 at described upper box body 10 top.
As shown in Fig. 4,6,7,9, described first oilhole 1 is the axially extended oilhole being parallel to high speed shaft bearing saddle bore 10-3 axis, described second oilhole 2 is the oilholes extended along high speed shaft bearing saddle bore 10-3 radial direction, described 3rd oilhole 3 is oilholes of vertical extension, described 4th oilhole 4 is level oilholes to extension, and described 5th oilhole 6 level is to the oilhole extended.
As shown in Figure 4, described first oilhole 1 also leads to the third level parallel drive gear cavity 12 in upper box body 10.
When the utility model uses, as illustrated in figs. 2 through 8, under shown low speed jack shaft wind direction bearing hole 10-1 for installing under wind direction bearing under low speed jack shaft, high speed jack shaft wind direction bearing hole 10-2 for installing wind direction bearing under high speed jack shaft.Lubricant oil enters the first oilhole 1 by described first oil pipe 7, then lubricant oil realizes lubrication to the pair of parallel driving gear Surface of action of the second level and cooling by the second oilhole 2, lubrication to wind direction bearing under high speed jack shaft and cooling is realized by the 3rd oilhole 3, lubrication to high speed shaft bearing and cooling is realized via high speed shaft bearing support 5 again by described 4th oilhole 4, lubrication to wind direction bearing under low speed jack shaft and cooling is realized by described second oil pipe 8, lubrication to the planet carrier upwind bearing of first order planetary stage transmission and cooling is realized by described 5th oilhole 6.
The explanation that above embodiment carries out for the megawatt wind power gear case of a certain employing primary planet+two-stage parallel axis kind of drive.The utility model also may be used for the wind turbine gearbox of two-stage planet+one-level driving of parallel axes mode.
Claims (3)
1. a wind turbine gearbox upper box, comprise upper box body (10), described upper box body (10) has wind direction bearing hole (10-1) under low speed jack shaft, wind direction bearing hole (10-2) and high speed shaft bearing saddle bore (10-3) under high speed jack shaft, high speed shaft bearing support (5) is housed in high speed shaft bearing saddle bore (10-3), the first oil pipe (7) and the second oil pipe (8) upper box body (10) be equipped with, first oil pipe (7) entrance point is connected on the oil path distributor (9) at upper box body (10) top, the high speed shaft bearing saddle bore (10-3) that outlet end is connected on upper box body (10) is other, second oil pipe (8) entrance point is connected on the oil path distributor (9) at upper box body (10) top, outlet end is connected on wind direction bearing hole (10-1) place under the low speed jack shaft of upper box body (10) and wind direction bearing hole (10-1) under leading to low speed jack shaft, it is characterized in that:
A, the upper box body (10) being positioned at high speed shaft bearing saddle bore (10-3) other have the first oilhole (1), the second oilhole (2), the 3rd oilhole (3) and the 4th oilhole (4),
B, described first oil pipe (7) outlet end communicate with the first oilhole (1), and the first oilhole (1) communicates with the second oilhole (2), the second oilhole (2) towards second level parallel drive gear cavity (11) in upper box body (10),
C, described first oilhole (1) also communicate with the 3rd oilhole (3), the 3rd oilhole (3) towards wind direction bearing hole (10-2) under high speed jack shaft,
D, described first oilhole (1) also communicate with the 4th oilhole (4), the 4th oilhole (4) towards high speed shaft bearing support (5),
The 5th oilhole (6) is also had in the oil path distributor (9) at e, described upper box body (10) top.
2. wind turbine gearbox upper box according to claim 1, it is characterized in that: described first oilhole (1) is the axially extended oilhole being parallel to high speed shaft bearing saddle bore (10-3) axis, described second oilhole (2) is the oilhole extended along high speed shaft bearing saddle bore (10-3) radial direction, described 3rd oilhole (3) is the oilhole of vertical extension, described 4th oilhole (4) is the oilhole of level to extension, and described 5th oilhole (6) level is to the oilhole extended.
3. wind turbine gearbox upper box according to claim 1, is characterized in that: described first oilhole (1) also leads to the third level parallel drive gear cavity (12) in upper box body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420795786.6U CN204387268U (en) | 2014-12-17 | 2014-12-17 | A kind of wind turbine gearbox upper box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420795786.6U CN204387268U (en) | 2014-12-17 | 2014-12-17 | A kind of wind turbine gearbox upper box |
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| Publication Number | Publication Date |
|---|---|
| CN204387268U true CN204387268U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420795786.6U Active CN204387268U (en) | 2014-12-17 | 2014-12-17 | A kind of wind turbine gearbox upper box |
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| CN (1) | CN204387268U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500701A (en) * | 2014-12-17 | 2015-04-08 | 南车戚墅堰机车车辆工艺研究所有限公司 | Upper box body of wind power gear box |
-
2014
- 2014-12-17 CN CN201420795786.6U patent/CN204387268U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500701A (en) * | 2014-12-17 | 2015-04-08 | 南车戚墅堰机车车辆工艺研究所有限公司 | Upper box body of wind power gear box |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |