CN204477258U - Compound planetary differential attachment wind turbine gearbox - Google Patents
Compound planetary differential attachment wind turbine gearbox Download PDFInfo
- Publication number
- CN204477258U CN204477258U CN201420856394.6U CN201420856394U CN204477258U CN 204477258 U CN204477258 U CN 204477258U CN 201420856394 U CN201420856394 U CN 201420856394U CN 204477258 U CN204477258 U CN 204477258U
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- gear
- wheel shaft
- planet wheel
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- bearing
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Abstract
The utility model discloses a kind of compound planetary differential attachment wind turbine gearbox, comprise casing and be arranged on the speed booster driving mechanism in casing, it is characterized in that, described speed booster driving mechanism comprises main shaft, one-level ring gear, primary planet wheel shaft, one-level mafor planet gear, one-level sun gear, primary planet carrier, secondary planet wheel shaft, secondary solar gear and secondary gear.A power part for its main shaft is transmitted by one-level ring gear, and a part is transmitted by secondary ring gear, thus reduces the size of whole gear-box and reduce weight; One-level ring gear is that power input part can realize rotating, and planet wheel shaft is dead axle, only carries out from then does not revolve round the sun, and be convenient to bearing fixed point lubrication, low speed gear is all one side carrying, effectively returns and keeps away alternate load, improves anti-micro-spot corrosion and holds ability and bearing capacity; Low-speed heave-load and high-speed bearing are all equipped with pressure oil fixed point forced lubrication device, improve bearing working life; Housing and gear at different levels have a style of one's own separately, are convenient to I& M.
Description
Technical field
The utility model relates to a kind of wind turbine gearbox, particularly a kind of compound planetary differential attachment wind turbine gearbox.
Background technique
Wind power speed-increasing gearbox is the core component of wind power generating set, the air port places such as high mountain, wilderness, seabeach, island are arranged on due to wind power generating set, impact by irregular break-in, the effect of varying duty wind-force and strong gusts of wind, the requirement in its reliability and working life is more high than common mechanical.Whether the advanced person of power-transmitting unit is the key factor determining wind power speed-increasing gearbox performance.All there is different structural type in domestic and international speedup box manufacturer, and conventional speedup box structural type has the gear box structure form of the gear box structure form of three grades of parallel axes, primary planet two-stage parallel axis and the gear box structure form etc. of secondary planet one-level parallel axes.But these deficiencies such as traditional prior art ubiquity complex structure, bulk is large, velocity ratio is limited, assembly weight is large, yet also exist planetary gear train gear load maldistribution, micro-point corrosion are serious, bearing life is short, lubricate the weakness such as insufficient simultaneously.
Summary of the invention
The purpose of this utility model is to provide a kind of compound planetary mechanism wind turbine gearbox, its objective is to solve planetary gear train gear load maldistribution in prior art, micro-point corrosion is serious, bearing life is short, lubricate the deficiencys such as insufficient, is also simultaneously in order to the defect such as solve ubiquitous complex structure, bulk is large, velocity ratio is limited, assembly weight is large.
For this reason, the technical solution of the utility model is as follows:
A kind of compound planetary differential attachment wind turbine gearbox, comprise casing and be arranged on the speed booster driving mechanism in casing, described speed booster driving mechanism comprises by main shaft, one-level ring gear, primary planet wheel shaft, one-level mafor planet gear, one-level sun gear, secondary planet frame, secondary planet wheel shaft, secondary solar gear and secondary ring gear.
Described main shaft is supported on casing by main shaft bearing, described front-end of spindle is connected with axial fan hub, to gear-box transmitting torque, described main shaft engages with secondary planet wheel shaft and described primary planet wheel shaft respectively by described secondary ring gear and described one-level ring gear; Described one-level mafor planet gear to be press-fitted on described primary planet wheel shaft by taper fit and to engage with one-level sun gear, described one-level sun gear is connected with secondary planet frame, and described secondary road wheel axle is supported on described secondary planet frame by described secondary planet wheel shaft fore bearing and secondary planet wheel shaft rear bearing; Described secondary solar gear engages with described secondary planet wheel shaft, described secondary planet frame and secondary ring gear are rotated simultaneously, and drives secondary solar gear to rotate, form differential gearing, described secondary solar gear is turned round device by limit and is connected with blower fan generator, realizes the transmission of moment of torsion.
The rear case that described casing comprises front case, main casing and is connected with main casing.
Preferably, described main shaft is supported on described front case and described main casing by main shaft bearing, described front-end of spindle is connected with axial fan hub, to gear-box transmitting torque, described main shaft engages with secondary planet wheel shaft and described primary planet wheel shaft respectively by described secondary ring gear and described one-level ring gear, described primary planet wheel shaft is by primary planet wheel shaft fore bearing, bearing support and the supporting of primary planet wheel shaft rear bearing are on a main housing, described one-level mafor planet gear to be press-fitted on described primary planet wheel shaft by taper fit and to engage with one-level sun gear, described one-level sun gear is connected with secondary planet frame, described secondary road wheel axle is supported on described secondary planet frame by described secondary planet wheel shaft fore bearing and secondary planet wheel shaft rear bearing, described secondary solar gear engages with described secondary planet wheel shaft, described secondary planet frame and secondary ring gear are rotated simultaneously, and drive secondary solar gear to rotate, form differential gearing, described secondary solar gear is turned round device by limit and is connected with blower fan generator, realize the transmission of moment of torsion.
Compared with prior art, a main shaft part for this compound planetary differential attachment wind turbine gearbox is connected with secondary planet wheel shaft by secondary ring gear, a part is engaged with primary planet wheel shaft by one-level ring gear, the power of a main shaft part is transmitted by one-level ring gear, a part is transmitted by secondary ring gear, greatly can reduce the size of ring gear, thus reduce the size of whole gear-box and reduce weight; Wherein, one-level ring gear is that power input part can realize rotating, and planet wheel shaft is fixed shaft type structure, only carry out from then do not revolve round the sun, being convenient to the fixed point lubrication of bearing, and low speed gear is all one side carrying, effectively can return and keep away alternate load, improve anti-micro-spot corrosion and hold ability and bearing capacity; Low-speed heave-load and high-speed bearing are all equipped with pressure oil fixed point forced lubrication device, greatly can improve bearing working life; In addition, housing and gear at different levels adopt modular construction, have a style of one's own separately, are convenient to I& M.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of compound planetary differential attachment wind turbine gearbox of the present utility model.
Embodiment
Be described in detail below in conjunction with the structure of accompanying drawing to compound planetary differential attachment wind turbine gearbox of the present utility model.
As shown in Figure 1, this compound planetary differential attachment wind turbine gearbox comprises casing and is arranged on the speed booster driving mechanism in casing, described speed booster driving mechanism comprises main shaft 1, one-level ring gear 5, primary planet wheel shaft 6, one-level mafor planet gear 10, one-level sun gear 11, primary planet carrier 12, secondary planet wheel shaft 15, secondary solar gear 16 and secondary gear 21, and described casing comprises front case 2, main casing 4 and rear case 20, described main shaft 1 is supported on described front case 2 and described main casing 4 by main shaft bearing 3, described main shaft 1 front end is connected with axial fan hub, to gear-box transmitting torque, described main shaft 1 engages with secondary planet wheel shaft 15 and described primary planet wheel shaft 6 respectively by described secondary ring gear 21 and described one-level ring gear 5, described primary planet wheel shaft 6 is by primary planet wheel shaft fore bearing 7, bearing support 9 and primary planet wheel shaft rear bearing 8 are bearing on main casing 4, described one-level mafor planet gear 10 to be press-fitted on described primary planet wheel shaft 6 by taper fit and to engage with one-level sun gear 11, described one-level sun gear 11 is connected with secondary planet frame 12, described secondary road wheel axle 15 is supported on described secondary planet frame 12 by described secondary planet wheel shaft fore bearing 13 and secondary planet wheel shaft rear bearing 14, described secondary solar gear 16 engages with described secondary planet wheel shaft 15, described secondary planet frame 12 and secondary ring gear 21 are rotated simultaneously, and drive secondary solar gear 16 to rotate, form differential gearing, described secondary solar gear 16 is turned round device by limit and is connected with blower fan generator, realize the transmission of moment of torsion.
Its working principle of this compound planetary differential attachment wind turbine gearbox is as follows:
Main shaft 1 front end is connected with axial fan hub to gear-box transmitting torque, and a main shaft 1 rear end part is connected with secondary ring gear 21, rotates, transmit a part of power with secondary planet wheel shaft 15; Main shaft 1 part is engaged with primary planet wheel shaft 6 by the one-level ring gear 5 be connected, be meshed with one-level sun gear 11 through one-level mafor planet gear 10 again, and one-level sun gear 11 is connected with secondary planet wheel shaft 15 through secondary planet support 12, transmit other a part of power, be meshed with secondary solar gear 16, secondary planet frame 12 and secondary ring gear 21 rotate simultaneously again, rotate at drive secondary solar gear 16, form differential gearing, power converges on secondary solar gear 16; Secondary solar gear 16 is turned round device by limit and is connected with the generator of blower fan, realizes the transmission of moment of torsion.
Claims (3)
1. a compound planetary differential attachment wind turbine gearbox, comprise casing and be arranged on the speed booster driving mechanism in casing, it is characterized in that, described speed booster driving mechanism comprises by main shaft (1), one-level ring gear (5), primary planet wheel shaft (6), one-level mafor planet gear (10), one-level sun gear (11), secondary planet frame (12), secondary planet wheel shaft (15), secondary solar gear (16) and secondary ring gear (21)
Described main shaft (1) is supported on casing by main shaft bearing (3), described main shaft (1) front end is connected with axial fan hub, to gear-box transmitting torque, described main shaft (1) engages with secondary planet wheel shaft (15) and described primary planet wheel shaft (6) respectively by described secondary ring gear (21) and described one-level ring gear (5);
Described one-level mafor planet gear (10) is press-fitted to described primary planet wheel shaft (6) by taper fit and goes up and engage with one-level sun gear (11), described one-level sun gear (11) is connected with secondary planet frame (12), and described secondary road wheel axle (15) is supported on described secondary planet frame (12) by described secondary planet wheel shaft fore bearing (13) and secondary planet wheel shaft rear bearing (14);
Described secondary solar gear (16) engages with described secondary planet wheel shaft (15), described secondary planet frame (12) and secondary ring gear (21) are rotated simultaneously, and drive secondary solar gear (16) to rotate, form differential gearing, described secondary solar gear (16) is turned round device by limit and is connected with blower fan generator, realizes the transmission of moment of torsion.
2. compound planetary differential attachment wind turbine gearbox according to claim 1, is characterized in that, the rear case (20) that described casing comprises front case (2), main casing (4) and is connected with main casing (4).
3. compound planetary differential attachment wind turbine gearbox according to claim 2, it is characterized in that, described main shaft (1) is supported on described front case (2) and described main casing (4) by main shaft bearing (3), described main shaft (1) front end is connected with axial fan hub, to gear-box transmitting torque, described main shaft (1) engages with secondary planet wheel shaft (15) and described primary planet wheel shaft (6) respectively by described secondary ring gear (21) and described one-level ring gear (5), described primary planet wheel shaft (6) is by primary planet wheel shaft fore bearing (7), bearing support (9) and primary planet wheel shaft rear bearing (8) are bearing on main casing (4), described one-level mafor planet gear (10) is press-fitted to described primary planet wheel shaft (6) by taper fit and goes up and engage with one-level sun gear (11), described one-level sun gear (11) is connected with secondary planet frame (12), described secondary road wheel axle (15) is supported on described secondary planet frame (12) by described secondary planet wheel shaft fore bearing (13) and secondary planet wheel shaft rear bearing (14), described secondary solar gear (16) engages with described secondary planet wheel shaft (15), described secondary planet frame (12) and secondary ring gear (21) are rotated simultaneously, and drive secondary solar gear (16) to rotate, form differential gearing, described secondary solar gear (16) is turned round device by limit and is connected with blower fan generator, realize the transmission of moment of torsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420856394.6U CN204477258U (en) | 2014-12-30 | 2014-12-30 | Compound planetary differential attachment wind turbine gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420856394.6U CN204477258U (en) | 2014-12-30 | 2014-12-30 | Compound planetary differential attachment wind turbine gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204477258U true CN204477258U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420856394.6U Active CN204477258U (en) | 2014-12-30 | 2014-12-30 | Compound planetary differential attachment wind turbine gearbox |
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| CN (1) | CN204477258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500709A (en) * | 2014-12-30 | 2015-04-08 | 天津华建天恒传动有限责任公司 | Combined gearbox with planet differential mechanism for wind turbine generator |
-
2014
- 2014-12-30 CN CN201420856394.6U patent/CN204477258U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500709A (en) * | 2014-12-30 | 2015-04-08 | 天津华建天恒传动有限责任公司 | Combined gearbox with planet differential mechanism for wind turbine generator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |