CN202148991U - Fan impeller locking device and wind generating set - Google Patents
Fan impeller locking device and wind generating set Download PDFInfo
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- CN202148991U CN202148991U CN201120153710U CN201120153710U CN202148991U CN 202148991 U CN202148991 U CN 202148991U CN 201120153710 U CN201120153710 U CN 201120153710U CN 201120153710 U CN201120153710 U CN 201120153710U CN 202148991 U CN202148991 U CN 202148991U
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- China
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- locking
- stop pin
- locking device
- fan impeller
- acceptance division
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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
Abstract
The utility model provides a fan impeller locking device, comprising a locking pin respectively arranged on a stator main axle and a rotation axle, a locking hole, an optical triggering unit and a control unit, wherein the optical triggering unit is used for sending the triggering signal to the control unit when the locking pin is aligned with the locking hole or the locking pin is going to be aligned with the locking hole; the control unit is used for driving the locking pin to execute the corresponding locking action according to the triggering signal. The utility model also provides a wind generating set with the fan impeller locking device. The fan impeller locking device and the wind generating set all realize the automatic, efficient and accurate locking operation on the fan impeller and simultaneously effectively prevent the dead locking problem between the locking pin and the locking hole.
Description
Technical field
The utility model relates to technical field of wind power generation, particularly, relates to a kind of draught fan impeller locking device and wind power generating set.
Background technique
In recent years, wind generating technology receives the extensive attention of national governments, thereby has obtained developing rapidly.In the process of installation, debugging and the regular maintenance of wind-powered electricity generation unit, all need carry out the impeller lock operation earlier, to ensure the safety of operator and unit equipment.Aforesaid operations need be realized by being installed in the impeller locking device on the unit.
At present, employed impeller locking device needs operator rule of thumb to carry out manually-operable with the result who estimates mostly.Be specially, through vane propeller-changing or mechanical friction lock impeller slowed down earlier, when speed was reduced to certain limit, operator judged locked position and catch, and manually boot the impeller locking device then.
Yet there is following problems inevitably in above-mentioned impeller locking process:
At first; Because operator's judgement experience and skilled operation degree are uneven; Therefore the problem that in the impeller locking process, exists operator that the error in judgement and the lock operation of wheel speed relatively lagged behind and wait, thereby the locking device damage problem that do not align locking aperture and caused because of the stop pin in the locking device often appears; Simultaneously, the impact of stop pin also can increase the impulsive load that unit is born, and influences the normal working life of equipment.
In addition, both made operator have abundant operating experience, can not guarantee still that each impeller lock operation all can accomplish accurately; That is to say that the poor repeatability of impeller lock operation is carried out in manual work, and efficient is lower.
In addition; Owing to can't learn during artificial conducting the locking operations that stop pin inserts the reasonable depth of locking aperture; And the mating face of stop pin and locking aperture is set to conical self-locking cooperation profile more; Therefore often run into because of operate miss makes stop pin and excessively cooperate the locked problem of stop pin that is caused with locking aperture, in case and stop pin is locked, will cause inconvenience to plant maintenance.
The model utility content
For addressing the above problem, the utility model provides a kind of draught fan impeller locking device, and it can realize the locking automatically, efficiently and accurately to draught fan impeller, and can effectively avoid the locked problem between stop pin and the locking aperture.
For addressing the above problem, the utility model also provides a kind of wind power generating set, and it can realize the locking automatically, efficiently and accurately to draught fan impeller equally, and can effectively avoid the locked problem between stop pin and the locking aperture.
For this reason; The utility model provides a kind of draught fan impeller locking device; Be used for the impeller of wind power generating set is locked, wind power generating set comprises stator main shaft and the rotatingshaft that is used to impeller is rotatably connected to the stator main shaft, and the draught fan impeller locking device comprises the stop pin that is arranged on the stator main shaft and is arranged on the locking aperture on the rotatingshaft accordingly; In addition; Between rotatingshaft and stator main shaft, be provided with optics trigger element and control unit, wherein, the optics trigger element is used for aiming at locking aperture at stop pin maybe will be to sending trigger signal to control unit on time; Control unit is used for according to trigger signal and the driven locking pin is carried out corresponding lock out action.
Wherein, the optics trigger element comprises collimated light source, the light acceptance division that is arranged at the stop pin end and is arranged at the inner reflective portions of locking aperture; Aiming at locking aperture when stop pin maybe will be on time, and the light portion of being reflected that collimated light source sends reflexes to the light acceptance division, and the light acceptance division sends trigger signal to control unit after receiving above-mentioned light.
Wherein, collimated light source comprises generating laser, and correspondingly, the light acceptance division comprises laser pickoff.
Wherein, reflective portions comprises holophote.
Preferably, the light acceptance division comprises the first light acceptance division and the second light acceptance division at least; The first light acceptance division and the second light acceptance division are positioned at the both sides of collimated light source respectively, and in the process of rotatingshaft relative stator main axis rotation, reflective portions successively reflexes to the first light acceptance division and the second light acceptance division with the light that collimated light source sent; Control unit receives the time lag and the distance calculation rotatingshaft of the two of the light rotating speed with respect to the stator main axis rotation according to the first light acceptance division and the second light acceptance division.
Wherein, control unit judges whether rotating speed is lower than pre-set threshold, and in judged result for being and when receiving trigger signal once more, the driven locking pin inserts in the locking aperture, so that impeller is locked.
Preferably, the optics trigger element promptly sent trigger signal to control unit before locking aperture is aimed at stop pin; Control unit shifts to an earlier date certain precompensation time according to rotatingshaft with respect to the rotating speed of stator main axis rotation and promptly begins the driven locking pin and lock after receiving trigger signal.
Preferably, above-mentioned locking device also comprises the position-sensing switch that is arranged at the stop pin end, and this position-sensing switch is used for after touching the interior edge face of locking aperture, sending the signal that puts in place to control unit, and control unit stops the driven locking pin after receiving the signal that puts in place.
Wherein, position-sensing switch comprises touch sensor.
Wherein, the quantity of locking aperture is at least one, and the quantity of stop pin is corresponding with at least one locking aperture with the position.
Wherein, the locking direction of stop pin and locking aperture be along rotatingshaft axially and/or radially.
In addition, the utility model also provides a kind of wind power generating set, comprises the draught fan impeller locking device that impeller and above-mentioned the utility model provide, and is used to lock impeller.
The utlity model has following beneficial effect:
The draught fan impeller locking device that the utility model provided; Can maybe will be by the optics trigger element to sending trigger signal to control unit on time accurate aligning of stop pin and locking aperture, control unit can automatically lock operation by the driven locking pin after receiving above-mentioned trigger signal.Because whole impeller locking process need not artificial the intervention fully; Thereby not only have extraordinary operation repeatability and fast high-efficient advantage, and can avoid when manual work locks problems because of operator's operate miss or operator's the locking device that factors such as operating experience caused or impeller damage etc.
And; In a preferred embodiment; The draught fan impeller locking device that the utility model provides also comprises the position-sensing switch that limits relative depth between stop pin and the locking aperture; Can trigger this position-sensing switch behind the specified position in stop pin arrives locking aperture, thereby can effectively avoid problem locked between stop pin and the locking aperture, and then improve the Security of impeller lock operation.
And in a further advantageous embodiment, the draught fan impeller locking device that the utility model provides also can be according to the rotating speed of draught fan impeller and the lock out action of stop pin is carried out certain precompensation, thereby stop pin is inserted in the locking aperture more exactly.
In addition, when the wind power generating set that the utility model provides is carried out the impeller lock operation by the draught fan impeller locking device that above-mentioned the utility model provided, can realize automatically equally, operate fast and accurately.Therefore, the utility model provides wind power generating set when the impeller lock operation, not only to have higher operation efficiency and accuracy, can also effectively avoid simultaneously problem locked etc. between stop pin and the locking aperture.
Description of drawings
The theory diagram of the locking device that Fig. 1 provides for the utility model;
The mounting structure schematic representation of locking device in wind power generating set that Fig. 2 provides for the utility model;
The generalized section of the specific embodiment of locking device that Fig. 3 provides for the utility model;
Generalized section when Fig. 4 is in the lock state for locking device shown in Figure 3; And
The locking device that Fig. 5 provides for the utility model is used for the working principle schematic representation of the process that before locking, tests the speed.
Embodiment
The draught fan impeller locking device that the utility model provides is mainly used in the impeller that locks wind power generating set, so that the staff overhauls wind power generating set and safeguards.Usually, impeller is connected with the stator main shaft of wind power generating set through rotatingshaft rotationally, and the draught fan impeller locking device that the utility model provides promptly is arranged between above-mentioned rotatingshaft and the stator main shaft.This device specifically comprises the stop pin that is arranged on the stator main shaft and is arranged on the locking aperture on the rotatingshaft accordingly, and is used to control optics trigger element and the control unit that above-mentioned stop pin automatically locks operation.
For making those skilled in the art understand the technological scheme of the utility model better, draught fan impeller locking device and the wind power generating set that the utility model provides is described in detail below in conjunction with accompanying drawing.
See also Fig. 1, the theory diagram of the locking device that provides for the utility model.As shown in the figure, the optics trigger element be used for stop pin aim at locking aperture or will the time send trigger signal to control unit; Control unit is used for according to from the trigger signal of optics trigger element and the driven locking pin is carried out corresponding lock out action, thereby accomplishes the operation to draught fan impeller.The optics trigger element that the utility model adopted can be implemented in the accurate detection to correct time of stop pin and locking aperture by the optics trigger signal; And realize automatic driving to above-mentioned stop pin by control unit; Thereby realized when need not manual operation accurate locking to draught fan impeller; Not only improved the working efficiency of draught fan impeller lock operation greatly, but also can effectively avoid because of problems that personal error caused such as operator's experience and judgment accuracies.Wherein, above-mentioned control unit for example can adopt single-chip microcomputer, PC etc. to have device or the equipment of automatic control function and realize.
Please consult Fig. 2, Fig. 3 and Fig. 4 in the lump, wherein, the mounting structure schematic representation of locking device in wind power generating set that Fig. 2 provides for the utility model; The generalized section of the specific embodiment of locking device that Fig. 3 provides for the utility model; Generalized section when Fig. 4 is in the lock state for locking device shown in Figure 3.
As shown in Figure 2; Stop pin 4 is set at the specific mounting point on the stator main shaft 3, and 5 of locking apertures are set on the rotatingshaft 2, in the present embodiment; The quantity of locking aperture 5 is a plurality of; And be uniformly distributed on the same circumference on the rotatingshaft 2, like this, stop pin 4 is as long as lock the locking that can realize rotatingshaft 2 with arbitrary locking aperture 5 wherein.In addition, an end of rotatingshaft 2 is connected with stator main shaft 3 rotationally, and the other end is fixedly connected with the wheel hub 1 of draught fan impeller, thereby under the drive of draught fan impeller, realizes the driving to rotatingshaft 2.Be understood that easily; Though in the locking device shown in Fig. 2 to carry out correspondence between a stop pin and a plurality of locking aperture; But the utility model is not limited thereto, and the staff can suitably increase the quantity of stop pin according to actual needs, and the position of each stop pin and locking aperture rationally is set.For example; A stop pin and a locking aperture only are set; The corresponding mutually stop pin of a plurality of quantity and relative position and locking aperture or the like perhaps are set; And every improvement of carrying out based on the spirit and the essence of the utility model, and can realize draught fan impeller is carried out accurately and the locking device of efficient lock operation all should be regarded as the protection domain of the utility model.
See also Fig. 3, in a specific embodiment, the optics trigger element in the locking device that the utility model provides comprises collimated light source 6, the light acceptance division 8 that is arranged at stop pin 4 ends and is arranged at the reflective portions 7 of locking aperture 5 inside.Wherein, stop pin 4 is installed in the stop pin assembly department 11 on the stator main shaft 3, and locking aperture 5 is set on the rotatingshaft 2.In the present embodiment, above-mentioned collimated light source 6 specifically can adopt a kind of generating laser, and correspondingly, above-mentioned light acceptance division 8 specifically can adopt a kind of laser pickoff; Above-mentioned reflective portions 7 specifically can adopt a kind of holophote.Thereby locking aperture 5 with rotatingshaft 2 rotary courses in (representing the sense of rotation of rotatingshaft with the direction of arrow among Fig. 3) with respect to the stator main shaft; Whenever locking aperture 5 through stop pin 4 positions and aim at locking aperture 5 maybe will be on time; Be positioned at locking aperture 5 inner holophotes and can the collimated ray that generating laser sent be reflexed to laser pickoff; And after receiving above-mentioned light, will produce specific trigger signal, and this signal is sent to control unit as the laser pickoff of light acceptance division 8.Control unit fast advances driven locking pin 4 and inserts in the locking aperture 5 to locking aperture 5 directions after receiving above-mentioned trigger signal, thereby accomplishes the lock operation to draught fan impeller.As for for example can adopting the multiple driving mode of pneumatic, electronic and hydraulic transmission etc., realize concrete stop pin 4 driving mechanisms.
See also Fig. 4, in a preferred embodiment of the locking device that the utility model provides, the end of stop pin 4 also is provided with a kind of position-sensing switch 10, is used to prevent that stop pin 4 from owing to excessively cooperating deadlock phenomenon taking place with the profile that cooperates between the locking aperture 5.This position-sensing switch 10 specifically can adopt a kind of touch sensor, and behind the certain depth in stop pin 4 reaches locking aperture 5, position-sensing switch 10 contacts with the interior edge face of locking aperture 5, thereby triggers this position-sensing switch 10.After position-sensing switch 10 is triggered, can send the signal that puts in place to control unit immediately, control unit then stops driven locking pin 4 after receiving the above-mentioned signal that puts in place.
Please comprehensively consult Fig. 3 and Fig. 5, in another preferred embodiment of the locking device that the utility model provides, the locking device that the utility model provides also can be used for the rotating speed of rotatingshaft 2 is measured by its optics trigger element.Particularly, can make the light acceptance division in the above-mentioned optics trigger element comprise the first light acceptance division 8 and the second light acceptance division 9 at least; And make the above-mentioned first light acceptance division 8 and the second light acceptance division 9 lay respectively at the both sides of collimated light source 6.Like this; In the process of rotatingshaft 2 relative stator main shafts 3 rotations; When locking aperture 5 process stop pins 4 positions, the reflective portions 7 that is positioned at locking aperture 5 can successively reflex to the light that collimated light source 6 is sent the first light acceptance division 8 and the second light acceptance division 9.The above-mentioned first light acceptance division 8 and the second light acceptance division 9 send trigger signal to control successively after receiving polished yarn; Control unit then can draw the time lag that the two receives light according to the time lag that the first light acceptance division 8 and 9 of the second light acceptance divisions send signal, can calculate the rotating speed that this moment, rotatingshaft 2 was rotated with respect to stator main shaft 3 according to the two distance more in addition.
Need to prove, for wind power generating set, be provided with the special-purpose unit that tests the speed, think that fan operation provides data necessary.The advantage of speed measuring function is and the locking device that the utility model provides has independently, and the control system that can be independent of wind-driven generator tests the speed, thereby desired parameters is provided for the locking of draught fan impeller.Because when impeller is conducted the locking operations, need the rotating speed of impeller to be lower than certain threshold value, and the locking device that the utility model provides can directly obtain the wheel speed parameter, thereby can realize independently full-automatic locking operation.Particularly; Judge by control unit whether above-mentioned measured rotating speed is lower than pre-set threshold; And make when being locking device get into lock ready state in judged result; And when control unit received trigger signal once more, then the driven locking pin inserted in the locking aperture, so that impeller is locked immediately.When measured wheel speed is higher than above-mentioned threshold value, for example can takes draught fan impeller to become conventional meanses such as oar or mechanical friction brake and wheel speed reduced, after wheel speed is lower than above-mentioned threshold value, implement lock operation again through control unit.
Provide in the preferred embodiment of locking device at the utility model, make the optics trigger element before locking aperture is aimed at stop pin, promptly send trigger signal to control unit; Control unit is after receiving above-mentioned trigger signal; Wheel speed that obtains according to aforementioned calculation and stop pin move the parameter of required duration etc. and calculate the precompensation time that the stop pin needs move in advance, and promptly begin the driven locking pin and lock shifting to an earlier date the above-mentioned precompensation time.Usually, this mode of execution is used for some to locking in the very strict wind power generating set of required precision more.Wherein, can confirm through experiment and/or technician's experience for the length of concrete precompensation time.
It is pointed out that in the foregoing description that the locking direction of stop pin and locking aperture is the axial setting along rotatingshaft, but the utility model is not limited thereto, for example can also above-mentioned stop pin and the locking direction of locking aperture be set to radially; Perhaps, can also when a plurality of stop pins and locking aperture are set, make the locking direction of a part of stop pin and locking aperture be axial setting, and make the locking direction of another part stop pin and locking aperture be radially setting along rotatingshaft along rotatingshaft; And the locking direction of stop pin and locking aperture is set to help arbitrarily the two direction that fast, accurately locks.The above-mentioned locking device of taking multiple locking direction should belong to the protection domain of the utility model equally.
Also it is to be noted; Collimated light source in the above-mentioned optics trigger element, light acceptance division and reflective portions can also be arranged at other positions outside stop pin and the locking aperture; As long as the relative position between above-mentioned collimated light source, light acceptance division and the reflective portions is mutual corresponding with relative position between locking aperture and the stop pin; That is to say; No matter which kind of position collimated light source, light acceptance division and reflective portions are arranged on, as long as when stop pin and locking aperture align, the light that above-mentioned collimated light source sent just in time can be reflexed to the light acceptance division by emission part and get final product.
In sum; The locking device that the utility model provides can be realized the accurate location of stop pin and locking aperture by optics trigger element and control unit and automatically lock; Thereby need not to have realized the lock operation of the precise and high efficiency of draught fan impeller by the manually operated while; Like this, not only can effectively increase work efficiency, and can avoid because of manual locking the time because the mechanical failure that factor caused such as staff's experience and errors in judgement.In addition, in some preferred embodiments of the utility model, locking device also comprises position-sensing switch, thereby can stop automatically after the predetermined depth in stop pin arrives locking aperture, has effectively avoided the locked problem of the two.In addition; In other preferred embodiments of the utility model; Also can realize automatic speed measuring function by optics trigger element and control unit, thereby the locking device that the utility model is provided can be independent of the control system of wind power generating set and realize independently lock operation to draught fan impeller.
As another kind of technological scheme, the utility model also provides a kind of wind power generating set, and the draught fan impeller locking device that comprises impeller and above-mentioned the utility model at least and provided is used for locking where necessary impeller.Based on identical or similar reason, the wind power generating set that the utility model provides has when carrying out the draught fan impeller lock operation automatically equally, efficient, accurately and prevent locked etc. advantage.
It is understandable that above mode of execution only is the illustrative embodiments that adopts for the principle that the utility model is described, yet the utility model is not limited thereto.For the one of ordinary skilled in the art, under the situation of spirit that does not break away from the utility model and essence, can make various modification and improvement, these modification and improvement also are regarded as the protection domain of the utility model.
Claims (12)
1. draught fan impeller locking device; Be used for the impeller of wind power generating set is locked; Said wind power generating set comprises stator main shaft and the rotatingshaft that is used to said impeller is rotatably connected to said stator main shaft; Said draught fan impeller locking device comprises and is arranged on the stop pin on the said stator main shaft and is arranged on the locking aperture on the said rotatingshaft accordingly
It is characterized in that, between said rotatingshaft and said stator main shaft, be provided with optics trigger element and control unit, wherein
Said optics trigger element is used for aiming at said locking aperture at said stop pin maybe will be to sending trigger signal to said control unit on time;
Said control unit is used for driving said stop pin according to said trigger signal and carries out corresponding lock out action.
2. draught fan impeller locking device according to claim 1 is characterized in that, said optics trigger element comprises collimated light source, the light acceptance division that is arranged at said stop pin end and is arranged at the inner reflective portions of said locking aperture;
Aiming at said locking aperture when said stop pin maybe will be on time; The light that said collimated light source sends is reflexed to said light acceptance division by said reflective portions, and said light acceptance division sends said trigger signal to said control unit after receiving above-mentioned light.
3. draught fan impeller locking device according to claim 2 is characterized in that said collimated light source comprises generating laser, and correspondingly, said light acceptance division comprises laser pickoff.
4. draught fan impeller locking device according to claim 2 is characterized in that said reflective portions comprises holophote.
5. draught fan impeller locking device according to claim 2 is characterized in that, said light acceptance division comprises the first light acceptance division and the second light acceptance division at least;
The said first light acceptance division and the second light acceptance division are positioned at the both sides of said collimated light source respectively; In the process of the said relatively stator main axis rotation of said rotatingshaft, said reflective portions successively reflexes to the said first light acceptance division and the second light acceptance division with the light that said collimated light source sent;
Said control unit receives the time lag and the said rotatingshaft of the distance calculation of the two of the said light rotating speed with respect to said stator main axis rotation according to the said first light acceptance division and the second light acceptance division.
6. draught fan impeller locking device according to claim 5; It is characterized in that; Said control unit judges whether said rotating speed is lower than pre-set threshold; And in judged result for being and when receiving said trigger signal once more, driving said stop pin and insert in the said locking aperture, with said impeller locking.
7. according to claim 2 or 6 described draught fan impeller locking devices, it is characterized in that said optics trigger element promptly sent trigger signal to said control unit before said locking aperture is aimed at said stop pin; Said control unit shifts to an earlier date certain precompensation time according to said rotatingshaft with respect to the rotating speed of said stator main axis rotation and promptly begins to drive said stop pin and lock after receiving said trigger signal.
8. draught fan impeller locking device according to claim 2 is characterized in that, also comprises the position-sensing switch that is arranged at said stop pin end,
Said position-sensing switch is used for after touching the interior edge face of said locking aperture, sending the signal that puts in place to said control unit, and said control unit stops to drive said stop pin after receiving the said signal that puts in place.
9. draught fan impeller locking device according to claim 2 is characterized in that said position-sensing switch comprises touch sensor.
10. draught fan impeller locking device according to claim 1 is characterized in that, the quantity of said locking aperture is at least one, and the quantity of said stop pin is corresponding with said at least one locking aperture with the position.
11. draught fan impeller locking device according to claim 10 is characterized in that, the locking direction of said stop pin and locking aperture be along said rotatingshaft axially and/or radially.
12. a wind power generating set comprises impeller, it is characterized in that, also comprises any described draught fan impeller locking device among the claim 1-11, is used to lock said impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120153710U CN202148991U (en) | 2011-05-12 | 2011-05-12 | Fan impeller locking device and wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120153710U CN202148991U (en) | 2011-05-12 | 2011-05-12 | Fan impeller locking device and wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202148991U true CN202148991U (en) | 2012-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120153710U Expired - Lifetime CN202148991U (en) | 2011-05-12 | 2011-05-12 | Fan impeller locking device and wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202148991U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226445A (en) * | 2011-05-12 | 2011-10-26 | 江苏金风风电设备制造有限公司 | Fan impellor locking device and wind-driven power generator set |
| CN112796941A (en) * | 2021-03-09 | 2021-05-14 | 三一重能股份有限公司 | Impeller locking method and device, electronic equipment and storage medium |
-
2011
- 2011-05-12 CN CN201120153710U patent/CN202148991U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226445A (en) * | 2011-05-12 | 2011-10-26 | 江苏金风风电设备制造有限公司 | Fan impellor locking device and wind-driven power generator set |
| CN102226445B (en) * | 2011-05-12 | 2015-02-11 | 江苏金风科技有限公司 | Fan impellor locking device and wind-driven power generator set |
| CN112796941A (en) * | 2021-03-09 | 2021-05-14 | 三一重能股份有限公司 | Impeller locking method and device, electronic equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU GOLDWIND SCIENCE + TECHNOLOGY CO., LTD. Free format text: FORMER NAME: JIANGSU GOLDWIND WINDPOWER EQUIPMENT MANUFACTURING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Dafeng City, Jiangsu province 224100 Yancheng City Economic Development Zone Jin Road No. 99 Patentee after: Jiangsu Jinfeng Science & Technology Co., Ltd. Address before: Dafeng City, Jiangsu province 224100 Yancheng City Economic Development Zone Jin Road No. 99 Patentee before: Jiangsu Jinfeng Wind Power Equipment Manufacture Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120222 Effective date of abandoning: 20150211 |
|
| RGAV | Abandon patent right to avoid regrant |