CN206439372U - The dual-gripper export structure of wind power yawing gear-box - Google Patents
The dual-gripper export structure of wind power yawing gear-box Download PDFInfo
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- CN206439372U CN206439372U CN201621457674.5U CN201621457674U CN206439372U CN 206439372 U CN206439372 U CN 206439372U CN 201621457674 U CN201621457674 U CN 201621457674U CN 206439372 U CN206439372 U CN 206439372U
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- roller bearing
- drive gear
- output shaft
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- lower box
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Abstract
The utility model is related to a kind of dual-gripper export structure of wind power yawing gear-box, middle casing, output shaft and drive gear including wind power yawing gear-box, it is characterized in that, export structure is additionally provided with the support lower box of a window containing engagement, it is fan-shaped opening port to engage window, lower box envelope drive gear is supported, the sliding tooth of drive gear is revealed outside window by engaging；Described output shaft runs through drive gear, output shaft positioned at drive gear side by self-aligning roller bearing is supported in middle casing, provided with double outside framework oil seals between self-aligning roller bearing and drive gear, output shaft positioned at drive gear opposite side by cylinder roller bearing is supported in support lower box, and nilos closures are provided between cylinder roller bearing and drive gear；The lubricating oil that described self-aligning roller bearing is provided by the pouring orifice of middle casing is lubricated, and the grease that described cylinder roller bearing is provided by the oil nozzle of support lower box is lubricated.
Description
Technical field
The utility model is related to a kind of output supporting construction of gear reduction box, more particularly to a kind of wind power yawing gear-box
Dual-gripper export structure.
Background technology
The main function of wind power yawing gear-box be by the swing pinion engaged transmission in output gear and blower fan so that
The direction of cabin is adjusted, fan engine room is directed at wind direction all the time and substantially utilizes wind-force.Wherein swing pinion is straight
Footpath is generally 2000 ~ 3000mm, and the diameter of Yaw gearbox output gear is generally 200 ~ 300mm, so output gear will
Relatively bulky swing pinion is driven undoubtedly to bear huge carrying pressure.And the blower fan on high tower is subjected to high wind
Impact, now the output gear in Yaw gearbox needs to play a part of reversely braking, and suffered high intensity load is to defeated
The carrying for going out structure is again undoubtedly highly difficult challenge.Moreover, the cabin positioned at eminence must also consider parts knot in cabin
Structure and the compactedness of assembling.Based on above reason, it will turn into for the reasonable and safe support of the export structure of Yaw gearbox
The most important thing.China Patent No. CN201410304838.X provides a kind of low speed shaft supporting structure of wind turbine gearbox, low speed
The lower wind direction end of axle is supported by a pair of taper roll bearings, and lower wind direction end is supported by a pair of spline pairs.China Patent No.
CN201320121970.8 discloses a kind of new output mechanism of wind turbine gearbox, output shaft by Dan Lieyuan post Roll bearings and
Circle bores the support of Roll bearing groups, and circle cone Roll bearing groups bore Roll bearings by big circular cone Roll bearings and small circle, and small one and large one is matched somebody with somebody
Put.China Patent No. CN201320244864.9 discloses a kind of wind turbine gearbox output stage structure for being easy to repair on tower, defeated
Rear cabinet is stretched out in vitro in the rear end of shaft, is filled respectively between the front end bearing hole of output shaft and rear box and the hole wall in rear end bearing hole
There are preceding end bearing and rear end bearing.China Patent No. CN201110406672.9 provides a kind of gear-box, and output shaft passes through defeated
Shaft bearings are in sub- casing, and sub- casing is detachable and is arranged on casing.
From the foregoing, it will be observed that the carrying design at present for output end is also relatively simple, particularly with the yaw gear on blower fan
Case, is mainly still considered as the form of output shaft one side support.This structure is although fairly simple in a sense, also phase
To easily assembling, but for the Yaw gearbox on blower fan, the security of this structure can not be ensured, it is easy to cause defeated
Go out end carrying deficiency and be even broken so that exporting stuck can not be driven after axle offset.Although some gear-boxes are in export structure branch
Possess preferable intensity in support, sealing or lubricity at export structure are but ignored on the whole.Asked in face of above-mentioned
Topic, this area generally wishes that a kind of more rational structure can effectively change the status quo.
The content of the invention
The purpose of this utility model is：The problem of in the sealing or lubricity existed for this area, there is provided one
Plant the dual-gripper export structure of wind power yawing gear-box.
What the purpose of this utility model was realized in：A kind of dual-gripper export structure of wind power yawing gear-box, including
Middle casing, output shaft and the drive gear of wind power yawing gear-box, it is characterised in that export structure is additionally provided with a window containing engagement
Support lower box, engagement window is fan-shaped opening port, supports lower box envelope drive gear, the sliding tooth of drive gear is by engaging
Reveal outside window；Described output shaft runs through drive gear, and the output shaft positioned at drive gear side is supported by self-aligning roller bearing
In middle casing, provided with double outside framework oil seals between self-aligning roller bearing and drive gear, positioned at the output shaft of drive gear opposite side
Support lower box is supported in by cylinder roller bearing, nilos closures are provided between cylinder roller bearing and drive gear；Institute
The lubricating oil that the self-aligning roller bearing stated is provided by the pouring orifice of middle casing is lubricated, and described cylinder roller bearing is by supporting
The grease that the oil nozzle of lower box is provided is lubricated.
In the utility model, the outer ring of described self-aligning roller bearing is kept off the seam for being limited in middle casing, inner ring by hole
The shaft shoulder of output shaft is limited in by round nut, cylinder roller bearing is spacing by the shaft shoulder and support lower box seam of output shaft.
In the utility model, grease chamber, three are provided with the outside of the described support lower box cylinder roller bearing strong point
Oil nozzle is evenly distributed on grease chamber periphery.
In the utility model, the self-aligning roller bearing bearing block of middle casing is I-shaped structure, and engagement window is to account for support
The fan-shaped opening port that lower box 1/2 is justified, support lower box is positioned on middle casing corresponding with self-aligning roller bearing seat, under support
Eccentric hoop is additionally provided with outside casing, drive gear is after eccentric hoop aligning, and wind power yawing gear-box passes through the installation spiral shell of eccentric hoop again
Bolt is fixed on the yaw steering mechanism casing of blower fan.
The utility model has the advantage of：Due to cylinder roller bearing and the self-aligning roller bearing be arranged in state it is defeated
Go out the both sides of shaft gear, the cylinder roller bearing is located at remote driving source, passes through the lower box seam and the output shaft
The shaft shoulder is positioned to it, and the self-aligning roller bearing is located at nearly driving source, by the middle casing, hole gear and the circle
Nut is positioned to it, it is ensured that bearing has preferable stability at high loads.Selected cylinder roller bearing and tune
The bearing group form of heart roller bearing, its bearing capacity is much bigger relative to taper roll bearing group or needle bearing group,
Coordinate the design of output shaft gear two ends support, substantially increase the bearing capacity supported to output shaft.
Advantage of the present utility model is also resided in, and the self-aligning roller bearing bearing block in the middle casing is I-shaped structure,
Reduce material and improve bearing capacity, meanwhile, it is that double outside framework oil seals and self-aligning roller bearing provide positioning support, and work is set
Word length seam is positioned with the lower box, improves sealing, the danger of reduction fluid leakage.Gear is opened up on the lower box
Window is engaged, engagement window opening angle is the lower box circumference 1/2, and structure of the output shaft gear in addition to engaging piece is wrapped
Overlay in lower box, be conducive to protecting the teeth portion of output shaft gear.Locating ring is set at the installation bolt hole of the lower box,
Position, realized on the locating ring with the lower box bolt hole with perforate is made by adjusting installation bolt with lower box seam
Intensity is tightened to adjust the bias of lower box, so as to adjust the meshing backlass of output shaft gear.
Advantage of the present utility model is also resided in, and sets Nilos to seal at the compression of the cylinder roller bearing and the shaft shoulder
Lid, it is fixed by the thrust of cylinder roller bearing and the output shaft shaft shoulder, to prevent external dust from entering and prevent
Internal lubrication fat is revealed, and compact conformation.Double skeleton oil are set between the self-aligning roller bearing and the output shaft gear
Envelope, and it is positioned by the middle casing seam and internal oil pressure, and at the connecting port that middle casing and planet portion are filled
O-ring is provided with, to prevent casing inner fluid from revealing.Especially described oil nozzle is arranged on the lower box, and is placed in described
The remote output shaft gear side of cylinder roller bearing, quantity is three, and realization is conveniently and efficiently changed to lubricating grease.
The utility model selects suitable bearing group by rationally designing bearings position in the output shaft both sides
Combination, improves the bearing capacity of the output shaft under high load.It is rational by the middle casing, lower box and eccentric hoop
Structure design, improves the positioning precision and job stability of bearing.And to the structure and position of sealing system and lubricating system
Reasonable disposition is carried out, to improve the service life of output shaft and overall gear case.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the right-hand end schematic diagram of Fig. 1 embodiments.
In figure：1. planet portion is filled；2nd, drive gear；3rd, pouring orifice；4th, middle casing；5th, lower box is supported；6th, eccentric hoop；7、
Oil nozzle；8th, cylinder roller bearing；9th, nilos closures；10th, double outside framework oil seals；11st, self-aligning roller bearing；12nd, hole is kept off；13rd, circle
Nut；14th, output shaft.
Embodiment
The nonrestrictive basic structure for disclosing the utility model embodiment of accompanying drawing is new to this practicality below in conjunction with the accompanying drawings
Type is further described.
From Fig. 1 Fig. 2, the utility model includes the output shaft that the middle casing 4 of wind power yawing gear-box, planet portion fill 1
14 and drive gear 2, export structure is additionally provided with a support lower box 5 containing fan-shaped opening port, the envelope driving of support lower box 5
Gear 2, the sliding tooth of drive gear 2 is revealed outside window by engaging；Described output shaft 14 runs through drive gear 2, positioned at drive gear 2
The output shaft 14 of side is supported in middle casing 4 by self-aligning roller bearing 11, is set between self-aligning roller bearing 11 and drive gear 2
There are double outside framework oil seals 10, the output shaft 14 positioned at the opposite side of drive gear 2 by cylinder roller bearing 8 is supported in support lower box
5, nilos closures 9 are provided between cylinder roller bearing 8 and drive gear 2；Described self-aligning roller bearing 11 is by middle casing
The lubricating oil that pouring orifice 3 is provided is lubricated, the grease that described cylinder roller bearing 8 is provided by the oil nozzle 7 of support lower box 5
It is lubricated.
In the present embodiment, the outer ring of described self-aligning roller bearing 11 keeps off 12 seams for being limited in middle casing 4 by hole, interior
Circle is limited in the shaft shoulder of output shaft 14 by round nut 13, cylinder roller bearing 8 by output shaft 14 the shaft shoulder and support lower box 5
Seam is spacing.
In the present embodiment, grease chamber, three are provided with the outside of the described strong point of 5 cylinder roller bearing of support lower box 8
Oil nozzle 7 is evenly distributed on grease chamber periphery.
In the present embodiment, the bearing block of self-aligning roller bearing 11 of middle casing 4 is I-shaped structure, and engagement window is to account for support
The fan-shaped opening port that lower box 1/2 is justified, support lower box 5 is positioned on middle casing 4 corresponding with self-aligning roller bearing seat, support
Eccentric hoop 6 is additionally provided with outside lower box 5, drive gear 2 is after the aligning of eccentric hoop 6, and wind power yawing gear-box passes through eccentric hoop 6 again
Installation bolt is fixed on the yaw steering mechanism casing of blower fan.
Driving source fills 1 by the planet portion in deceleration system and sends power to output shaft 14 in use, so as to drive partially
Drive gear 2 on boat gearbox output shaft 14 rotates, and passes through drive gear 2 on output shaft 14 and fan yaw swing pinion
Engaged transmission, finally realize the deflecting of cabin.Output shaft 14 carries maximum part as whole gear-box, mainly by two
Bearing is supported rotation.
In use.By supporting lower box 5, middle casing 4, the shaft shoulder of output shaft 14, hole gear 12 and round nut 13 respectively to two
The position of individual bearing is accurately positioned, and effectively prevents it from loosening and influenceing transmission stability.Planet portion fills 1 and aligning roller axle
The lubrication for holding 11 is oil lubrication, in the gear-box course of work, and fluid shakes inside gear-box, by being rolled in aligning
Set double outside framework oil seals 10 between sub- bearing 11 and drive gear 2, the seam of casing 4 and oil pressure are positioned to it in, and
Filled in middle casing 4 and planet portion and be provided with O-ring at 1 connecting port, the sealing of lubricating oil has been effectively ensured.To drive gear
2 progress both sides carry support respectively, and grease lubrication is used for cylinder roller bearing 8.In the support cylinder roller bearing of lower box 5
Grease chamber is provided with the outside of 8 strong points, three oil nozzles 7 are evenly distributed on grease chamber periphery, by one of oil nozzle 7 to lower box
Injection lubricating grease in 5, extrudes old grease by another two oil nozzle 7 to realize replacing.Compressed in cylinder roller bearing 8 and the shaft shoulder
Locate close 9 cappings of Nilos set, not only compact conformation, and good airproof performance can be effectively dust-proof to being carried out at cylinder roller bearing
Seal and prevent lubricating grease from revealing.Needs are engaged between Yaw gearbox and blower fan swing pinion to consider sideshake is installed, therefore under
Eccentric hoop 6 is set at the installation bolt hole of casing 5, and eccentric hoop 6 is matched somebody with somebody with the bolt hole of lower box 5 makees perforate.During real work, adjustment
The elastic of installation bolt can be controlled to the offset for supporting lower box 5, enter hence for the installation sideshake of drive gear 2
Row adjustment.
Claims (4)
1. a kind of dual-gripper export structure of wind power yawing gear-box, including the middle casing of wind power yawing gear-box, output shaft and
Drive gear, it is characterised in that export structure is additionally provided with the support lower box of a window containing engagement, engagement window is fan-shaped open
Mouthful, lower box envelope drive gear is supported, the sliding tooth of drive gear is revealed outside window by engaging；Described output shaft runs through sliding tooth
Wheel, the output shaft positioned at drive gear side by self-aligning roller bearing is supported in middle casing, self-aligning roller bearing and sliding tooth
Provided with double outside framework oil seals between wheel, the output shaft positioned at drive gear opposite side by cylinder roller bearing is supported in support nowel
Body, is provided with nilos closures between cylinder roller bearing and drive gear；Described self-aligning roller bearing by middle casing oiling
The lubricating oil that mouth is provided is lubricated, and the grease that described cylinder roller bearing is provided by the oil nozzle of support lower box is moistened
It is sliding.
2. the dual-gripper export structure of wind power yawing gear-box according to claim 1, it is characterised in that described aligning
The outer ring of roller bearing is kept off the seam for being limited in middle casing by hole, and inner ring is limited in the shaft shoulder of output shaft, cylinder by round nut
Roller bearing is spacing by the shaft shoulder and support lower box seam of output shaft.
3. the dual-gripper export structure of wind power yawing gear-box according to claim 1, it is characterised in that described support
Grease chamber is provided with the outside of the lower box cylinder roller bearing strong point, three oil nozzles are evenly distributed on grease chamber periphery.
4. the dual-gripper export structure of the wind power yawing gear-box according to one of claim 1-3, it is characterised in that raising middle flask
The self-aligning roller bearing bearing block of body is I-shaped structure, and engagement window is to account for the fan-shaped opening port that support lower box 1/2 is justified, support
Lower box is positioned on middle casing corresponding with self-aligning roller bearing seat, and support nowel is additionally provided with eccentric hoop, drive gear in vitro
After eccentric hoop aligning, wind power yawing gear-box is fixed on the yaw steering mechanism case of blower fan by the installation bolt of eccentric hoop again
On body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621457674.5U CN206439372U (en) | 2016-12-28 | 2016-12-28 | The dual-gripper export structure of wind power yawing gear-box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621457674.5U CN206439372U (en) | 2016-12-28 | 2016-12-28 | The dual-gripper export structure of wind power yawing gear-box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206439372U true CN206439372U (en) | 2017-08-25 |
Family
ID=59642094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621457674.5U Active CN206439372U (en) | 2016-12-28 | 2016-12-28 | The dual-gripper export structure of wind power yawing gear-box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206439372U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594238A (en) * | 2016-12-28 | 2017-04-26 | 南京高速齿轮制造有限公司 | Double-support output structure of wind power yaw gear box |
| CN112855441A (en) * | 2021-01-11 | 2021-05-28 | 大唐向阳风电有限公司 | Fan driftage system with maintain mechanism |
-
2016
- 2016-12-28 CN CN201621457674.5U patent/CN206439372U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594238A (en) * | 2016-12-28 | 2017-04-26 | 南京高速齿轮制造有限公司 | Double-support output structure of wind power yaw gear box |
| CN106594238B (en) * | 2016-12-28 | 2023-07-25 | 南京高速齿轮制造有限公司 | Dual-support output structure of wind power yaw gearbox |
| CN112855441A (en) * | 2021-01-11 | 2021-05-28 | 大唐向阳风电有限公司 | Fan driftage system with maintain mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191009 Address after: 211122 No. 30 Houjiao Road, Jiangning District, Nanjing, Jiangsu Province (Jiangning High-tech Park) Co-patentee after: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. Patentee after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Address before: 211100, No. 1 East Tianyuan Road, Jiangning Science Park, Jiangning District, Jiangsu, Nanjing Patentee before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200521 Address after: 211122 No. 30 Houjiao Road, Jiangning District, Nanjing, Jiangsu Province (Jiangning High-tech Park) Patentee after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Address before: 211122 No. 30 Houjiao Road, Jiangning District, Nanjing, Jiangsu Province (Jiangning High-tech Park) Co-patentee before: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. Patentee before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220906 Address after: No.79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province, 210000 Patentee after: NANJING HIGH-SPEED & ACCURATE GEAR GROUP Co.,Ltd. Address before: No. 30, Houjiao Road, Jiangning District, Nanjing City, Jiangsu Province 211122 Patentee before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |