CN104989600B - A kind of wind driven generation set main shaft locking device - Google Patents
A kind of wind driven generation set main shaft locking device Download PDFInfo
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- CN104989600B CN104989600B CN201510404530.7A CN201510404530A CN104989600B CN 104989600 B CN104989600 B CN 104989600B CN 201510404530 A CN201510404530 A CN 201510404530A CN 104989600 B CN104989600 B CN 104989600B
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- spindle
- bolt
- lock
- hole
- locking bolt
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- 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
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Abstract
The invention discloses a kind of wind driven generation set main shaft locking device,Including spindle lock bolt,Locking bolt nut,Stop screw,Spacing board component,Baffle plate,Locking bolt mounting hole is through with the footing of spindle bearing holder,Spindle lock bolt is located in locking bolt mounting hole,Before spindle lock bolt is divided into,Two sections afterwards,Leading portion bolt body surface is smooth,It which is provided with stopper slot,Helicitic texture is externally provided with back segment bolt,Locking bolt nut is assemblied on helicitic texture,Stop screw is plugged in stopper slot through the screw mounting hole on footing,Baffle plate is loaded on footing,And it is blocked at the Single port of locking bolt mounting hole,Through hole is respectively equipped with thereon,Nut mounting groove,Limiting plate mounting groove,The rear segment trailer of spindle lock bolt overhangs baffle plate after sequentially passing through through hole and nut mounting groove,The limiting plate insertion limiting plate mounting groove of spacing board component is simultaneously fastened in annular groove.The present invention is compact-sized, safe and reliable, occupies little space, be simple and efficient to handle.
Description
Technical field
The present invention relates to the technical field of locking wind driven generation set main shaft, a kind of wind driven generation set main shaft is referred in particular to
Locking device.
Background technology
It is known in the industry, it is increasing with wind power generating set impeller diameter, even if compressor emergency shutdown at a lower wind speed
Unit impeller, main shaft rotating part can also produce larger moment of torsion when (blade full feathering state), therefore it is required that set main shaft
Locking mechanism can not only provide larger locking torque but also can not take much room, easy to operate, while locking device releases locking
When be also required to provide auxiliary torque exit.But prior art is confined to, at present, existing locking device generally existing space-consuming
Greatly, the high cost (locking number is less annual using several times) of malfunction, hydraulic pressure or electrically driven structure and action
The problems such as fast or slow alignment locking hole position not easy to operate easily causes housing construction collsion damage, it is still necessary to further improve.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of compact-sized, safe and reliable, space-consuming
Wind driven generation set main shaft locking device small, simple and efficient to handle, it is designed to realize by rotatable helicitic texture and works as
Impeller is due to that can not extract spindle lock bolt manually in the presence of wind load when, spindle lock bolt can easily be pulled out by helicitic texture
Go out.
To achieve the above object, technical scheme provided by the present invention is：A kind of wind driven generation set main shaft locking device,
Include spindle lock bolt, locking bolt nut, stop screw, spacing board component, baffle plate, wherein, close to wind power generating set
Lock spindle price fixing that wind power generating set spindle bearing holder footing on be through with for housing spindle lock bolt
Locking bolt mounting hole, and the lock hole axial line on the axial line of the locking bolt mounting hole and lock spindle price fixing is in same direction
Upper extension；The spindle lock bolt is located in locking bolt mounting hole, can be in locking bolt mounting hole slidably；The main shaft
Locking bolt is divided into forward and backward two sections, and leading portion is close to lock spindle price fixing, and it can insert lock spindle towards a termination of lock spindle price fixing
Corresponding lock hole on price fixing, rotated with limiting lock spindle price fixing and then pin the main shaft of wind power generating set, outside rear segment trailer
Stretch out locking bolt mounting hole；Leading portion bolt body surface is smooth, which is provided with the stopper slot extended in its longitudinal direction, back segment bolt body
On be externally provided with the helicitic texture extended in its longitudinal direction；The footing of the spindle bearing holder is provided with pacifies with above-mentioned locking bolt
The screw mounting hole of hole connection is filled, the stop screw is plugged in stopper slot through the screw mounting hole, limits spindle lock
Bolt rotates and slide displacement scope；The baffle plate is fixed on the footing loaded on spindle bearing holder, and is blocked in above-mentioned locking bolt peace
At the Single port for filling hole, and the through hole connected with locking bolt mounting hole is respectively arranged with thereon and is connected with the through hole and same axle
The nut mounting groove of heart line and the limiting plate mounting groove connected with the nut mounting groove, the rear segment trailer of the spindle lock bolt according to
It is secondary through baffle plate is overhang after above-mentioned through hole and nut mounting groove, the locking bolt nut is assemblied in the spiral shell of spindle lock bolt back segment
In line structure, and part is placed in above-mentioned nut mounting groove, can produce screw-driven between spindle lock bolt；The locking bolt
Be provided with the outside of position that nut is placed in the nut mounting groove along its circumferential annular groove, the spacing board component it is spacing
Plate interts above-mentioned limiting plate mounting groove and is fastened in the annular groove, and limitation locking bolt nut is in the length side of spindle lock bolt
Move up.
Lock hole on the lock spindle price fixing is taper hole, and the spindle lock bolt is towards a termination of lock spindle price fixing
It is consistent with taper hole for pyramidal structure, its taper.
After the rear segment trailer of the spindle lock bolt is inserted with handle, and the stop screw is plugged in stopper slot, with
The handle is vertical.
The baffle plate is made up of the inside and outside plate being overlapped mutually, and fixes the base loaded on spindle bearing holder using lock-screw
On pin, wherein, the nut mounting groove and limiting plate mounting groove are combined by the inside and outside plate being superimposed.
The oil filler point connected with locking bolt mounting hole is offered on the spindle bearing holder.
The spacing board component is made up of limiting plate and chain, wherein, one end of the chain is connected with limiting plate, and its is another
One end is fixed on spindle bearing holder, and one end that the limiting plate is fastened in annular groove is formed with being adapted with the annular groove
Arc opening.
The back segment diameter of the spindle lock bolt is less than leading portion diameter.
Axial line of the handle perpendicular to spindle lock bolt.
The present invention compared with prior art, has the following advantages that and beneficial effect：
1st, spindle bearing holder footing portion space is made full use of, is occupied little space, it is compact-sized；
2nd, using cone match make spindle lock bolt be more easy to be aligned lock hole while, there is more obvious locking effect,
And when exiting spindle lock bolt, because the pyramidal structure of spindle lock bolt and the contact area of lock hole gradually decrease, and then
Frictional force between the two is reduced, so as to be easier to extract spindle lock bolt；
3rd, simple and efficient to handle, gap coordinates and lubricant method makes spindle lock bolt moving operation time saving and energy saving, when exiting
The design of screw thread supplementary structure is simple to operation, while can prevent to produce corrosion etc. because not operating for a long time, will by screw-driven
Spindle lock bolt exits unit reset；
4th, by stopper slot and baffle plate, multiple spacing design is formed, the security of enhancing locking device operation, prevents from safeguarding
When maloperation；
5th, by specially designed handle, spindle lock bolt can be achieved and quickly push and pull, while ensure locking dress
The stop screw put accurately can be fitted into the stopper slot of locking bolt when mounted；
6th, split type spacing board component design, manufacturing cost simple and compact for structure is low, using being bolted on support, both
The spacing of spindle lock bolt can be achieved, provide end face support again for stop screw rotation process.
Brief description of the drawings
Fig. 1 is one of scheme of installation of wind driven generation set main shaft locking device of the present invention.
Fig. 2 is the two of the scheme of installation of wind driven generation set main shaft locking device of the present invention.
Fig. 3 is the three of the scheme of installation of wind driven generation set main shaft locking device of the present invention.
Fig. 4 is schematic diagram of the structure with partial cutaway shown in Fig. 2.
Fig. 5 is Fig. 4 A partial enlarged drawings.
Fig. 6 is schematic diagram of the structure with partial cutaway shown in Fig. 3.
Fig. 7 is Fig. 6 B partial enlarged drawings.
Fig. 8 is one of structural representation of baffle plate of the present invention.
Fig. 9 is the two of the structural representation of baffle plate of the present invention.
Figure 10 is the three of the structural representation of baffle plate of the present invention.
Figure 11 is Figure 10 C-C sectional views.
Embodiment
With reference to specific embodiment, the invention will be further described.
As shown in Figure 1 to 11, the wind driven generation set main shaft locking device described in the present embodiment has two, separately designs
, will into machine unit hub for wind power generating set attendant on two footings of the spindle bearing holder 7 of wind power generating set
Used during host lock.Wherein, the wind driven generation set main shaft locking device includes spindle lock bolt 1, locking bolt nut
2nd, stop screw 3, spacing board component, baffle plate, in that spindle bearing holder 7 of the lock spindle price fixing 6 close to wind power generating set
Footing on be through with locking bolt mounting hole for housing spindle lock bolt 1, and the axial line of the locking bolt mounting hole with
Lock hole axial line on lock spindle price fixing 6 extends in the same direction；The spindle lock bolt 1 is located in locking bolt mounting hole
In, can be in locking bolt mounting hole slidably；The spindle lock bolt 1 is divided to for forward and backward two sections, and leading portion is close to lock spindle price fixing
6, and its corresponding lock hole 601 that can be inserted on lock spindle price fixing 6 towards a termination of lock spindle price fixing 6, to limit lock spindle
Price fixing 6 rotates and then pins the main shaft 8 of wind power generating set, and rear segment trailer overhangs locking bolt mounting hole, and back segment diameter is small
In leading portion diameter；Leading portion bolt body surface is smooth, which is provided with the stopper slot 9 extended in its longitudinal direction, and back segment bolt is outer with it
Provided with the helicitic texture extended in its longitudinal direction；The footing of the spindle bearing holder 7 is provided with to be installed with above-mentioned locking bolt
The screw mounting hole of hole connection, the stop screw 3 are plugged in stopper slot 9 through the screw mounting hole, limit spindle lock
Bolt 1 rotates and slide displacement scope；The baffle plate is fixed on the footing loaded on spindle bearing holder 7, and is blocked in above-mentioned locking bolt
At the Single port of mounting hole, and the through hole 504 connected with locking bolt mounting hole is respectively arranged with thereon and is connected with the through hole 504
And the nut mounting groove 505 of same axial line and the limiting plate mounting groove 506 that is connected with the nut mounting groove 505, the main shaft
The rear segment trailer of locking bolt 1 overhangs baffle plate, the locking bolt spiral shell after sequentially passing through above-mentioned through hole 504 and nut mounting groove 505
Mother 2 is assemblied on the helicitic texture of the back segment of spindle lock bolt 1, and part is placed in above-mentioned nut mounting groove 505, energy and main shaft
Screw-driven is produced between locking bolt 1；It is provided with the outside of the position that the locking bolt nut 2 is placed in the nut mounting groove 505
An annular groove circumferential along it, the limiting plate 401 of the spacing board component interts to be set into above-mentioned limiting plate mounting groove 506 and card
In the annular groove, moved with limiting locking bolt nut 2 on the length direction of spindle lock bolt 1.
Lock hole 601 on the lock spindle price fixing 6 is taper hole, and the spindle lock bolt 1 is towards lock spindle price fixing 6
One termination is pyramidal structure, as conical head, and its taper is consistent with taper hole.Such design makes lock spindle using cone match
While determining bolt 1 and be more easy to be aligned lock hole 601, there is more obvious locking effect, and when exiting spindle lock bolt 1, due to
The contact area of the conical head of spindle lock bolt 1 and lock hole 601 gradually decreases, and then reduces frictional force between the two,
So as to be easier to extract spindle lock bolt 1.
The rear segment trailer of the spindle lock bolt 1 is inserted with the handle 10 perpendicular to spindle lock bolt axial line, conveniently pushes away
Enter and extract spindle lock bolt 1, additionally, it is important that passing through the handle 10, when can ensure that installation stop screw 3, the spacing spiral shell
Nail 3 accurately can be plugged in stopper slot, and it is specifically after the stop screw 3 is plugged in stopper slot, with the hand
Handle 10 is vertical, therefore, when install stop screw 3, adjusts the angle of handle 10, you can guarantee stop screw 3 can quickly,
Accurately it is plugged in stopper slot.
Two oil filler points 11 connected with locking bolt mounting hole are offered on the spindle bearing holder 7, are main shaft locking bolt 1
Lubrication and antirust are provided.
The spacing board component is made up of limiting plate 401 and chain 402, wherein, one end of the chain 402 and limiting plate
401 connections, its other end is fixed on spindle bearing holder 7, the limiting plate 401 be fastened on one end in annular groove formed with
The arc opening that the annular groove is adapted.
The baffle plate is made up of the inside and outside plate 501,502 being overlapped mutually, and is fixed using lock-screw 503 and be loaded on main shaft
On the footing of bearing block 7, wherein, the nut mounting groove 505 and limiting plate mounting groove 506 are by the inside and outside plate that is superimposed
501st, 502 combine.Inside and outside plate 501,502 can be combined when spindle lock bolt 1 needs external force auxiliary to exit and be fixed on master
On the footing of bearing housing 7, then spin locking bolt nut 2, wherein inner panel 501 are positioned and led for locking bolt nut 2
Axle locking bolt 1 is spacing to prevent it from exiting apart from excessive, the multiple spacing design of formation, maloperation when preventing from safeguarding, with very strong
Security.
During lock operation, quickly spindle lock bolt 1 can be released by the present apparatus, and is aligned on lock spindle price fixing 6
Corresponding lock hole 601, unit front portion wheel hub rotating part is locked, after the completion of unit maintenance operation, due to spindle lock bolt 1
Stress is not easy to exit, rotatable locking bolt nut 2, and spindle lock bolt 1 is exited into unit by screw-driven resets.
It is the concrete operation step of the above-mentioned wind driven generation set main shaft locking device of the present embodiment below, it is as follows：
1st, when staff, which enters blower fan progress wheel hub, to be safeguarded, operation is as follows：
1) first limiting plate 401 is extracted out；
2) locking bolt nut 2 is withdrawn into the back segment caudal end of spindle lock bolt 1, spindle lock bolt 1 is inserted into main shaft afterwards
In corresponding lock hole 601 on locking disk 6；
3) locking bolt nut 2 is screwed to and contacted with inner panel 501, i.e., locking bolt nut 2 touches the groove of nut mounting groove 505
Bottom；
4) limiting plate 401 is fixed into locking bolt nut 2.
2nd, after the completion of maintenance, operation is as follows：
1) locking bolt nut 2 is rotated clockwise with spanner, until spindle lock bolt 1 exits lock spindle price fixing 6；
2) limiting plate 401 is extracted out；
3) spindle lock bolt 1 is exited completely；
4) locking bolt nut 2 is screwed to and contacted with inner panel 501, i.e., locking bolt nut 2 touches the groove of nut mounting groove 505
Bottom；
5) limiting plate 401 is fixed into locking bolt nut 2.
Examples of implementation described above are only the preferred embodiments of the invention, and the implementation model of the present invention is not limited with this
Enclose, therefore the change that all shape, principles according to the present invention are made, it all should cover within the scope of the present invention.
Claims (4)
- A kind of 1. wind driven generation set main shaft locking device, it is characterised in that：Include spindle lock bolt (1), locking bolt nut (2), stop screw (3), spacing board component, baffle plate, wherein, in that of the lock spindle price fixing (6) close to wind power generating set The locking bolt mounting hole for housing spindle lock bolt (1) is through with the footing of the spindle bearing holder (7) of wind power generating set, And the axial line of the locking bolt mounting hole extends in the same direction with the lock hole axial line on lock spindle price fixing (6)；Institute Spindle lock bolt (1) is stated to be located in locking bolt mounting hole, can be in locking bolt mounting hole slidably；The spindle lock bolt (1) it is divided into forward and backward two sections, leading portion is close to lock spindle price fixing (6), and it can insert master towards a termination of lock spindle price fixing (6) Corresponding lock hole (601) on axle locking disk (6), to limit lock spindle price fixing (6) rotation and then pin wind power generating set Main shaft (8), rear segment trailer overhang locking bolt mounting hole；Leading portion bolt body surface is smooth, which is provided with and prolongs in its longitudinal direction The stopper slot (9) stretched, back segment bolt are externally provided with the helicitic texture extended in its longitudinal direction with it；The spindle bearing holder (7) Footing be provided with the screw mounting hole that connect with above-mentioned locking bolt mounting hole, the stop screw (3) is through screw installation Hole is plugged in stopper slot (9), and limitation spindle lock bolt (1) rotates and slide displacement scope；The baffle plate is fixed and is loaded on main shaft On the footing of bearing block (7), and it is blocked at the Single port of above-mentioned locking bolt mounting hole, and is respectively arranged with thereon and locking bolt Mounting hole connection through hole (504) and connected with the through hole (504) and the nut mounting groove of same axial line (505) and with the spiral shell The limiting plate mounting groove (506) of female mounting groove (505) connection, the rear segment trailer of the spindle lock bolt (1) sequentially pass through above-mentioned Baffle plate is overhang after through hole (504) and nut mounting groove (505), after the locking bolt nut (2) is assemblied in spindle lock bolt (1) On the helicitic texture of section, and part is placed in above-mentioned nut mounting groove (505), can produce screw thread between spindle lock bolt (1) Transmission；It is provided with the outside of the position that the locking bolt nut (2) is placed in the nut mounting groove (505) along its circumferential annular Groove, the limiting plate (401) of the spacing board component intert above-mentioned limiting plate mounting groove (506) and are fastened in the annular groove, Limitation locking bolt nut (2) moves on the length direction of spindle lock bolt (1)；Lock hole on the lock spindle price fixing (6) (601) it is taper hole, and the spindle lock bolt (1) is pyramidal structure towards a termination of lock spindle price fixing (6), its taper is with boring Hole is consistent；The rear segment trailer of the spindle lock bolt (1) is inserted with handle (10), and the stop screw (3) is plugged in limit It is vertical with the handle (10) after in the groove of position；The baffle plate is made up of the inside and outside plate (501,502) being overlapped mutually, and using locking On the fixed footing loaded on spindle bearing holder (7) of screw (503), wherein, the nut mounting groove and limiting plate mounting groove are by folding The inside and outside plate (501,502) being added together combines；Axial line of the handle (10) perpendicular to spindle lock bolt (1).
- A kind of 2. wind driven generation set main shaft locking device according to claim 1, it is characterised in that：The main shaft bearing The oil filler point (11) connected with locking bolt mounting hole is offered on seat (7).
- A kind of 3. wind driven generation set main shaft locking device according to claim 1, it is characterised in that：The limiting plate group Part is made up of limiting plate (401) and chain (402), wherein, one end of the chain (402) is connected with limiting plate (401), and its is another One end is fixed on spindle bearing holder (7), the limiting plate (401) be fastened on one end in annular groove formed with the annular groove The arc opening being adapted.
- A kind of 4. wind driven generation set main shaft locking device according to claim 1, it is characterised in that：The spindle lock The back segment diameter of bolt (1) is less than leading portion diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404530.7A CN104989600B (en) | 2015-07-10 | 2015-07-10 | A kind of wind driven generation set main shaft locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404530.7A CN104989600B (en) | 2015-07-10 | 2015-07-10 | A kind of wind driven generation set main shaft locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104989600A CN104989600A (en) | 2015-10-21 |
| CN104989600B true CN104989600B (en) | 2018-03-13 |
Family
ID=54301464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510404530.7A Active CN104989600B (en) | 2015-07-10 | 2015-07-10 | A kind of wind driven generation set main shaft locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104989600B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523290A (en) * | 2016-10-26 | 2017-03-22 | 国电联合动力技术有限公司 | Installing tool and method for wind generation set main bearing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201874747U (en) * | 2010-12-07 | 2011-06-22 | 沈阳远大机电装备有限公司 | Safety rotor lock of wind generating set |
| DE102010020355A1 (en) * | 2010-05-12 | 2011-11-17 | Nordex Energy Gmbh | Device for locking drive train of wind power plant, has locking bolt engaged in locking opening, and mounting element provided in curved slot and fixing position of locking unit in curved slot in stepless manner |
| CN202301474U (en) * | 2011-11-09 | 2012-07-04 | 保定天威风电科技有限公司 | Bearing pedestal with dual-rotor lock symmetrical structure |
| CN202468172U (en) * | 2011-12-14 | 2012-10-03 | 北京金风科创风电设备有限公司 | Fan impellor locking device and wind-driven power generator set |
| 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 |
| CN204921257U (en) * | 2015-07-10 | 2015-12-30 | 广东明阳风电产业集团有限公司 | Wind generating set main shaft locking device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8269367B2 (en) * | 2010-01-13 | 2012-09-18 | Hiwin Mikrosystem Corp. | Shaft brake mechanism of wind power generator |
-
2015
- 2015-07-10 CN CN201510404530.7A patent/CN104989600B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010020355A1 (en) * | 2010-05-12 | 2011-11-17 | Nordex Energy Gmbh | Device for locking drive train of wind power plant, has locking bolt engaged in locking opening, and mounting element provided in curved slot and fixing position of locking unit in curved slot in stepless manner |
| CN201874747U (en) * | 2010-12-07 | 2011-06-22 | 沈阳远大机电装备有限公司 | Safety rotor lock of wind generating set |
| CN202301474U (en) * | 2011-11-09 | 2012-07-04 | 保定天威风电科技有限公司 | Bearing pedestal with dual-rotor lock symmetrical structure |
| CN202468172U (en) * | 2011-12-14 | 2012-10-03 | 北京金风科创风电设备有限公司 | Fan impellor locking device and wind-driven power generator set |
| 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 |
| CN204921257U (en) * | 2015-07-10 | 2015-12-30 | 广东明阳风电产业集团有限公司 | Wind generating set main shaft locking device |
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| Publication number | Publication date |
|---|---|
| CN104989600A (en) | 2015-10-21 |
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Address after: 528437 Guangdong torch hi tech Industrial Development Zone, Torch Road, No. 22, Ming Yang Industrial Park, Zhongshan Applicant after: Ming Yang wisdom Energy Group AG Address before: 528437 Guangdong torch hi tech Industrial Development Zone, Torch Road, No. 22, Ming Yang Industrial Park, Zhongshan Applicant before: Guangdong Mingyang Wind Power Group Co., Ltd. |
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