CN109441737A - A kind of blower wind wheel manual-lock and method - Google Patents
A kind of blower wind wheel manual-lock and method Download PDFInfo
- Publication number
- CN109441737A CN109441737A CN201811126201.0A CN201811126201A CN109441737A CN 109441737 A CN109441737 A CN 109441737A CN 201811126201 A CN201811126201 A CN 201811126201A CN 109441737 A CN109441737 A CN 109441737A
- Authority
- CN
- China
- Prior art keywords
- wind wheel
- pin shaft
- threaded rod
- pin
- manual
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/50—Maintenance or repair
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/30—Retaining components in desired mutual position
- F05B2260/31—Locking rotor in position
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses a kind of blower wind wheel manual-lock and methods, it solves the problems, such as to need in the prior art to operate the risk completed lock pin braking wind wheel, there is leakage hydraulic oil over long distances, has the effect of that convenient, easy to maintain, pin shaft accurate positioning is manually operated；Its technical solution are as follows: including the pin shaft for cooperating with wind wheel lock collar, described pin shaft one end is equipped with threaded hole compatible with threaded rod, and threaded rod connects manual operation unit；Manual operation unit drives threaded rod rotation, pin shaft linear movement is driven by the worm drive between threaded rod and threaded hole, to realize braking of the pin shaft to wind wheel lock collar；The manual operation unit side is equipped with dismountable locking pin, and when pin shaft is in braking wind wheel lock plate-like state, locking pin reverses after preventing pin shaft stress.
Description
Technical field
The present invention relates to technical field of wind power generation more particularly to a kind of blower wind wheel manual-lock and methods.
Background technique
Wind wheel locking device is a key components of wind wheel and main drive chain maintenance safety in Wind turbines, is GL
The structure of configuration is distinctly claimed in Valuation Standard.
Blade need to be adjusted to feather position when safeguarding by blower, and high speed shaft brake makes main drive chain reduction of speed, then makes
Wind wheel is locked with wind wheel lock, it is ensured that main drive chain is static.
Locking device is divided into mechanical and two kinds of structural shapes of fluid pressure type according to working method, and fluid pressure type is leaked because existing
The risk of hydraulic oil, mechanical structural shape just show certain advantage.The installation site of locking device can be designed in master
On bearing housing, according to the design feature of part MW grades of unit, needs operation over long distances to complete lock pin and brake wind wheel.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of blower wind wheel manual-lock and method,
Have the effect of that convenient, easy to maintain, pin shaft accurate positioning is manually operated.
The present invention adopts the following technical solutions:
A kind of blower wind wheel manual-lock, including the pin shaft for cooperating with wind wheel lock collar, described pin shaft one end is set
There is threaded hole compatible with threaded rod, threaded rod connects manual operation unit；Manual operation unit drives threaded rod rotation, passes through spiral shell
Worm drive between rasp bar and threaded hole drive pin shaft linear movement, to realize braking of the pin shaft to wind wheel lock collar；It is described
Manual operation unit side is equipped with dismountable locking pin, and when pin shaft is in braking wind wheel lock plate-like state, locking pin prevents pin shaft
It is reversed after stress.
Further, the pin shaft side opens up guide groove close to screw thread nose end, and guiding groove bottom is equipped with to be connected with threaded hole
Logical oil filler point.
Further, the threaded hole is arranged along pin shaft axis, and the end of threaded hole offers cylindrical hole.
Further, the internal diameter of the threaded hole is greater than cylinder bore diameter, so that cylindrical hole plays limit to threaded rod end
Position effect.
Further, the screw thread hole depth is the length of action of threaded rod and pin shaft when pin shaft is withdrawn.
Further, the threaded hole is engaged with threaded rod by trapezoidal thread.
Further, described threaded rod one end has screw thread, and the other end forms multi-diameter shaft；Stepped shaft end fixing bearing, institute
Bearing is stated to be installed on inside mounting flange；The locking pin is threadedly coupled with mounting flange.
Further, the manual operation unit includes handwheel, and handle is installed in handwheel side；The rank of the handwheel and threaded rod
Terraced shaft end is fixedly connected.
Further, the bearing uses grease lubrication.
The operating method of blower wind wheel manual-lock are as follows:
When blower is safeguarded, after locking pin of dismantling, manually rotated handle counterclockwise, threaded rod drives pin shaft by worm drive
It is moved to the lockpin hole of wind wheel lock collar, to brake wind wheel lock collar；Then locking pin is installed, to limit handwheel rotation；
Release wind wheel lock periodically, after locking pin of dismantling, manually rotated handle clockwise, pin shaft is withdrawn, until threaded rod is withstood
Pin shaft internal thread hole bottom surface, handwheel can not continue to rotate；Installation locking pin is to limit handwheel rotation.
Compared with prior art, the beneficial effects of the present invention are:
(1) of the invention that threaded rod rotation is driven by Manual operation handle, pin shaft linear movement is driven through worm drive,
It realizes the back-out and recycling of pin shaft, and then realizes that the braking to wind wheel lock collar is facilitated with locking, manual operation is contacted, pin shaft positioning
Accurately；
(2) when pin shaft is in braking wind wheel lock plate-like state, pin shaft stress rear screw pair reverses the present invention in order to prevent, if
A locking pin is set, locking pin blocks handwheel, avoids threaded rod rotation that pin shaft is caused to retract；
(3) maintenance of the invention is carried out in the state that locking device brakes wind wheel lock collar, passes through through type oiling
Cup injection grease comes lubricating pin shaft and trapezoidal thread pair, easy to maintain.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is cross-sectional view of the invention；
Fig. 2 is side view of the invention；
Fig. 3 is partial sectional view of the invention；
Fig. 4 is scheme of installation of the invention；
Wherein, the close switch of 1- bearing block, 2- pin shaft, 3- through type priming cup 4- guide blot, 5- nut, 6-, 7- spiral shell
Rasp bar, 8- mounting flange, 9- handwheel, 10- handle, 11- locking pin, 12- bearing (ball) cover, 13- rubber seal, 14- axle sleeve,
15- flat key, 16- hexagon-headed bolt, 17- oil filler point, 18- shaft end ring, 19- bearing, 20- screw, 21- guide groove, 22- spiral shell
Bolt, 23- threaded hole, 24- locking device, 25, wind wheel lock collar, 26, bearing block, 27, main shaft.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, existing in the prior art needs operation over long distances to complete lock pin braking wind wheel, exist
The deficiency of the risk of hydraulic oil is leaked, in order to solve technical problem as above, present applicant proposes a kind of blower wind wheel manual locks
Determine device and method.
In a kind of typical embodiment of the application, as shown in Figure 1-Figure 3, a kind of blower wind wheel manual locking is provided
Device, including pin shaft 2, threaded rod 7 and manual operation unit, in use, the locking device 24 of the application is installed on 27 end of main shaft
Bearing block 26 inside, pin shaft 2 and wind wheel lock collar 25 cooperate, as shown in Figure 4.
The inside of the pin shaft 2 opens up the threaded hole 23 with certain depth along its axial direction, and 23 depth of threaded hole is
The length of action of threaded rod 7 and pin shaft 2 when pin shaft 2 is withdrawn.
The end of threaded hole 23 offers cylindrical hole, and the internal diameter of the threaded hole 23 is greater than cylinder bore diameter, so that cylinder
Position-limiting action is played in hole to 7 end of threaded rod.
2 side of pin shaft opens up guide groove 21 close to 23 end of threaded hole, and 21 bottom surface of guide groove is equipped with to be connected with threaded hole 23
Logical oil filler point 17；When pin shaft 2 is in retracted state, grease lubrication screw thread can be periodically filled by through type priming cup 3.
Described 7 one end of threaded rod has the screw thread matched with 2 internal thread hole 23 of pin shaft, and 7 other end of threaded rod forms tool
There is the multi-diameter shaft of the shaft shoulder.
Preferably, the threaded rod 7 is engaged with threaded hole 23 by trapezoidal thread, and there are internal and external threads to be adjacent to not with the conical surface
It easily loosens, root of the tooth intensity is high, to neutral good feature.
It is self-possessed in order to prevent bending deformation, in threaded rod 7 by installing a bearing 19 at mounting flange 8 to increase fixation
Point.
Threaded rod 7 is arranged shaft shoulder one end and passes through inside bearing 19, and the bearing 19 is installed on inside mounting flange 8, screw thread
Bar 7 is connected by mounting flange 8 with bearing block 26.
Mounting flange 8 is connect with bearing block 26 by bolt 22, and washer is equipped between bolt 22 and mounting flange 8.
Axle sleeve 14 is arranged in 19 side of bearing, and axle sleeve 14 is installed on inside bearing (ball) cover 12, axle sleeve 14 and bearing (ball) cover 12 it
Between be equipped with rubber seal 13；Bearing (ball) cover 12 is fastened with mounting flange 8 by screw 20, between screw 20 and bearing (ball) cover 12
Equipped with washer.
The bearing 19 not easily runs off after using grease lubrication, lubricating grease to form lubricating oil film, and a stuffing can maintain phase
When for a long time.
Angular contact ball bearing or tapered roller bearing can be used in bearing 19, is selected according to the size of maintenance operating condition downloading lotus
The type of bearing；When blower maintenance operating condition is downloaded, lotus is larger to cause bearing 19 to bear biggish axial force, then must select circular cone
Roller bearing.
The manual operation unit includes handwheel 9 and handle 10, and handle 10 is installed in 9 side of handwheel.
The handwheel 9 is national standard cast iron handwheel, and pattern can be handwheel or sinuate handwheel.
The handwheel 9 is connect with the stepped shaft end of threaded rod 7 by flat key 15, and threaded rod 7 and the end of handwheel 9 pass through
Shaft end ring 18 is fastened by hexagon-headed bolt 16, and washer is arranged between hexagon-headed bolt 16 and shaft end ring 18.
Locking pin 11 is installed, locking pin 11 is to be threadedly coupled, and it is anti-to pass through handwheel 9 with mounting flange 8 on mounting flange 8
Only screw pair rotates.
When the application locking device 24 and bearing block 26 are installed, guide blot 4 is fixedly mounted on bearing by being threadedly engaged
On seat 26；4 end of guide blot is cylindrical surface, is divided into regular screw threads close to bolt head.
The cylindrical surface portion of guide blot 4 and the guide groove of pin shaft 2 cooperate, and prevent pin shaft 2 from rotating with threaded rod 7.
It is equipped on bearing block 1 close to switch 6, for incuding the working condition of locking device 24；It is withdrawn in place in pin shaft 2
When, i.e., locking device 24 does not work, and close to the cylindrical surface of the detectable pin shaft 2 of switch 6, approaches switch 6 and is triggered feedback signal
To master control system.In 2 precession lockpin hole of pin shaft, i.e., locking device 24 works, and feeds back close to 6 no signal of switch.
The maintenance of locking device 24 is carried out in the state that locking device 24 brakes wind wheel lock collar 25, and through type is passed through
Priming cup 3 injects grease and comes lubricating pin shaft 2 and trapezoidal thread pair.
The operating method of the application locking device are as follows:
When blower is safeguarded, after locking pin 11 of dismantling, manually rotated handle 10 counterclockwise, threaded rod 7 passes through worm drive band
Dynamic pin shaft 2 is moved to the lockpin hole of wind wheel lock collar 25, to brake wind wheel lock collar 25；Then locking pin 11 is installed, to limit handwheel 9
Rotation prevents screw pair caused by the power transmitted by pin shaft 2 by wind load from reversing.
Release wind wheel lock periodically, after locking pin 11 of dismantling, manually rotated handle 10 clockwise, pin shaft 2 is withdrawn, until threaded rod
7 withstand 2 internal thread hole of pin shaft, 23 bottom surface, and handwheel 9 can not continue to rotate；Installation locking pin 11 is to limit the rotation of handwheel 9.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of blower wind wheel manual-lock, which is characterized in that including the pin shaft for cooperating with wind wheel lock collar, the pin
Axis one end is equipped with threaded hole compatible with threaded rod, and threaded rod connects manual operation unit；Manual operation unit drives threaded rod rotation
Turn, pin shaft linear movement is driven by the worm drive between threaded rod and threaded hole, to realize pin shaft to wind wheel lock collar
Braking；The manual operation unit side is equipped with dismountable locking pin, when pin shaft is in braking wind wheel lock plate-like state, locking pin
It is reversed after preventing pin shaft stress.
2. a kind of blower wind wheel manual-lock according to claim 1, which is characterized in that the pin shaft side is close
Screw thread nose end opens up guide groove, and guiding groove bottom is equipped with the oil filler point being connected to threaded hole.
3. a kind of blower wind wheel manual-lock according to claim 1, which is characterized in that the threaded hole is along pin shaft
Axis setting, the end of threaded hole offers cylindrical hole.
4. a kind of blower wind wheel manual-lock according to claim 3, which is characterized in that the internal diameter of the threaded hole
Greater than cylinder bore diameter, so that cylindrical hole plays position-limiting action to threaded rod end.
5. a kind of blower wind wheel manual-lock according to claim 1, which is characterized in that the screw thread hole depth is
The length of action of threaded rod and pin shaft when pin shaft is withdrawn.
6. a kind of blower wind wheel manual-lock according to claim 1, which is characterized in that the threaded hole and screw thread
Bar is engaged by trapezoidal thread.
7. a kind of blower wind wheel manual-lock according to claim 1, which is characterized in that threaded rod one end tool
There is screw thread, the other end forms multi-diameter shaft；Stepped shaft end fixing bearing, the bearing are installed on inside mounting flange；The locking
Pin is threadedly coupled with mounting flange.
8. a kind of blower wind wheel manual-lock according to claim 7, which is characterized in that the manual operation unit packet
Handwheel is included, handle is installed in handwheel side；The handwheel is fixedly connected with the stepped shaft end of threaded rod.
9. a kind of blower wind wheel manual-lock according to claim 7, which is characterized in that the bearing is moistened using rouge
It is sliding.
10. a kind of operating method of -9 any blower wind wheel manual-locks, feature exist according to claim 1
In when blower is safeguarded, after locking pin of dismantling, manually rotated handle counterclockwise, threaded rod drives pin shaft mobile by worm drive
To the lockpin hole of wind wheel lock collar, to brake wind wheel lock collar；Then locking pin is installed, to limit handwheel rotation；
Release wind wheel lock periodically, after locking pin of dismantling, manually rotated handle clockwise, pin shaft is withdrawn, until threaded rod withstands pin shaft
Internal thread hole bottom surface, handwheel can not continue to rotate；Installation locking pin is to limit handwheel rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811126201.0A CN109441737A (en) | 2018-09-26 | 2018-09-26 | A kind of blower wind wheel manual-lock and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811126201.0A CN109441737A (en) | 2018-09-26 | 2018-09-26 | A kind of blower wind wheel manual-lock and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109441737A true CN109441737A (en) | 2019-03-08 |
Family
ID=65544367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811126201.0A Pending CN109441737A (en) | 2018-09-26 | 2018-09-26 | A kind of blower wind wheel manual-lock and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109441737A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484104A (en) * | 2021-07-30 | 2021-10-08 | 华能上海石洞口发电有限责任公司 | Built-in multi-partition rapid uniform mixing sampling device for SCR (Selective catalytic reduction) outlet flue |
| CN113864309A (en) * | 2021-08-25 | 2021-12-31 | 太原重工股份有限公司 | Wind wheel locking device of wind turbine generator |
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| EP2620637A1 (en) * | 2012-01-24 | 2013-07-31 | Nordex Energy GmbH | Lock device for a powertrain of a wind energy assembly and method for locking the powertrain |
| CN203257610U (en) * | 2013-05-16 | 2013-10-30 | 大唐山西新能源有限公司 | Mechanical locking device for overhauling wind turbine generator |
| CN203717748U (en) * | 2013-12-27 | 2014-07-16 | 内蒙古久和能源科技有限公司 | Locking device for wind generating set spindle |
| CN206175141U (en) * | 2016-08-30 | 2017-05-17 | 新誉集团有限公司 | Wind power generation impeller lockpin structure |
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- 2018-09-26 CN CN201811126201.0A patent/CN109441737A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100821704B1 (en) * | 2007-05-23 | 2008-04-14 | 주식회사 효성 | Wind generator having a locking device |
| CN201496211U (en) * | 2009-06-22 | 2010-06-02 | 华锐风电科技有限公司 | Impeller locking device |
| US20110135481A1 (en) * | 2010-04-21 | 2011-06-09 | Koronkiewicz Michael S | Systems and methods for assembling a rotor lock assembly for use in a wind turbine |
| CN202017581U (en) * | 2010-12-13 | 2011-10-26 | 西门子公司 | Locking mechanism of rotor of wind turbine |
| CN103104421A (en) * | 2011-11-10 | 2013-05-15 | 华锐风电科技(集团)股份有限公司 | Impeller locking device and wind generating set |
| EP2620637A1 (en) * | 2012-01-24 | 2013-07-31 | Nordex Energy GmbH | Lock device for a powertrain of a wind energy assembly and method for locking the powertrain |
| CN203257610U (en) * | 2013-05-16 | 2013-10-30 | 大唐山西新能源有限公司 | Mechanical locking device for overhauling wind turbine generator |
| CN203717748U (en) * | 2013-12-27 | 2014-07-16 | 内蒙古久和能源科技有限公司 | Locking device for wind generating set spindle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484104A (en) * | 2021-07-30 | 2021-10-08 | 华能上海石洞口发电有限责任公司 | Built-in multi-partition rapid uniform mixing sampling device for SCR (Selective catalytic reduction) outlet flue |
| CN113864309A (en) * | 2021-08-25 | 2021-12-31 | 太原重工股份有限公司 | Wind wheel locking device of wind turbine generator |
| CN113864309B (en) * | 2021-08-25 | 2023-08-04 | 太原重工股份有限公司 | Wind wheel locking device of wind turbine generator |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190308 |