CN103410683A - High and low speed shaft turning gear of high power wind generation set and using method thereof - Google Patents
High and low speed shaft turning gear of high power wind generation set and using method thereof Download PDFInfo
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- CN103410683A CN103410683A CN2013103688860A CN201310368886A CN103410683A CN 103410683 A CN103410683 A CN 103410683A CN 2013103688860 A CN2013103688860 A CN 2013103688860A CN 201310368886 A CN201310368886 A CN 201310368886A CN 103410683 A CN103410683 A CN 103410683A
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Abstract
The invention discloses a high and low speed shaft turning gear of a high power wind generation set and a using method thereof. The high and low speed shaft turning gear of the high power wind generation set comprises a main gear box, an externally arranged hydraulic source, a hydraulic motor, a motor shaft gear, an intermediate level gear, a wind wheel, a low speed level gear, a high speed level gear, a brake disc, an intermediate level shifting gear, a shifting mechanism and a shifting controller. According to the high and low speed shaft turning gear of the high power wind generation set and the using method, the hydraulic motor and the shifting mechanism are driven by a hydraulic system to achieve the self-turning function of a low speed shaft and a high speed and the locking of the wind wheel; the separate turning of the high speed shaft is achieved when the high speed shaft needs to be centered, so that the problem that start-stop of the low speed shaft which performs turning together with the high speed shaft causes the low accuracy of centering data collection of the high speed is solved, the influence of the wind conditions of a wind field on turning operation of the high speed shaft is reduced, and the efficiency and safety of the turning operation of the high speed shaft is improved; the problems that the turning is difficult and the artificial demands are multiple in a wind power station are solved and the high and low speed shaft turning gear is efficient, safe and labor-saving.
Description
Technical field
The present invention relates to high low speed reel car device and the using method thereof in wind-powered electricity generation unit field, particularly a kind of high-power wind turbine unit.
Background technique
On blower fan, need to use two situations that have of jiggering operation, the one, need to enter wind wheel, in the time of the lock wind wheel lock, in order to pin wind wheel, need to, the hole of wind wheel lock collar and wind wheel lock alignment, at this moment need jiggering; The 2nd, when the alignment degree of generator shaft and gearbox shaft is adjusted, need high speed shaft of gearbox and the generator shaft of the moving wind-powered electricity generation unit of dish to rotate together, measurement by laser alignment instrument in rotary course, draw the coaxiality error of high speed shaft of gearbox and generator shaft, and adjust the stone bolt of generator, eliminate the high speed shaft of the gear-box that the assembling of wind wheel causes and the alignment degree of generator shaft and change.At present large people from department obscured the jiggering demand of both of these case, the purpose of the first jiggering is the rotation for lower velocity shaft, and the jiggering of the second is the rotation for high speed shaft, so, the functional decomposition of the jiggering of both of these case, can improve greatly the precision of the jiggering of the second situation.
Because the purpose of the most of high speed shaft jiggering of wind-powered electricity generation unit is can measure the coaxality data for laser alignment instrument, but behind the every rotation of laser alignment instrument 60 degree left and right, need to wait and time, until after having measured the data of three angles, laser alignment instrument just can provide coaxiality error, as the do not keep watch high speed shaft of group of motors and lower velocity shaft of common barring gear, disconnect, because of huge wind wheel quality, each pause will bring the data capture of the influence of vibration laser alignment instrument of high speed shaft, finally affect the coaxial accuracy of high speed shaft of gearbox and generator shaft.
The power of wind-powered electricity generation unit in the past is less, manually can coil the brake disc on the moving gear case high speed axis, so major part is by the moving brake disc of artificial directly dish, to operate the rotation of high speed shaft, increasing along with the wind-powered electricity generation power of the assembling unit, it is depended merely on manually can not directly coil brake disc substantially, the device of existing patent makes brake disc into a gear, by extra manual operating device, mesh the brake disc gear and carry out jiggering, as patent CN201120006645.8 and CN201120006811.4, because its device is the makeshift device increased in the later stage, and be manually-operated, do so laborsaving, but the angle of bad control rotation, also have by increasing a motor and improve manually-operated drawback, as patent CN201120411253.X and CN201110328131.9, its driving mechanism is exposed, easily causes the shortcomings such as personal safety, also the barring gear of useful structure of friction wheel, as patent CN200810220717.1, contact with brake disc and carry out jiggering by rubber tire, if but the pretightening force of its rubber tire is inadequate or excessive, and can bring jiggering smooth or damage the risk of rubber tire, stability while also having brake power plant by hydraulic constant pressure to improve jiggering, as the device of patent 201110140499.2, the unstability when its device can alleviate jiggering, but how its specification does not realize the description of jiggering.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of high low speed reel car device of high-power wind turbine unit is provided, and it can solve in the jiggering difficulty of wind energy turbine set and the many problems of artificial demand, and a kind of efficient, safe, labour-saving barring gear is provided.
Technological scheme of the present invention is: the high low speed reel car device of described high-power wind turbine unit comprises main-gear box, external hydraulic power, oil hydraulic motor, motor drive shaft gear, intergrade gear, wind wheel, slow speed turbine stage gear, high speed level gear, brake disc, intergrade power shift gear, gearshift, gearshift controller; Described oil hydraulic motor is arranged on main-gear box, described external hydraulic power is connected by hydraulic tube with oil hydraulic motor, and described oil hydraulic motor coaxially is connected with the motor drive shaft gear, motor drive shaft gear and the engagement of intergrade gear, intergrade gear and speed stage gear mesh, the slow speed turbine stage gear connects wind wheel; Described intergrade gear is connected by rotatingshaft with the intergrade power shift gear, and the intergrade power shift gear connects gearshift, and gearshift is provided with gearshift controller; Described intergrade power shift gear has meshing relation and can under gearshift is controlled, realize engagement and the conversion separated with a high speed level gear, and high speed level gear connects brake disc.
Described intergrade gear and intergrade power shift gear are arranged on same rotatingshaft and can under gearshift is controlled, together move, and make intergrade power shift gear and level gear realization engagement and the conversion separated at a high speed.
Described intergrade gear and intergrade power shift gear also can be flexibly connected by two rotatingshafts, and described intergrade power shift gear can move under gearshift is controlled, and make the intergrade power shift gear realize engagement and the conversion separated with high speed level gear.
The using method of the high low speed reel car device of described a kind of high-power wind turbine unit, specific as follows:
When the wind-powered electricity generation unit worked, the fluid of external hydraulic power did not access oil hydraulic motor, and gearshift control device is controlled gearshift and moved the intergrade power shift gear, made intergrade power shift gear and high speed level gear be in engaging position; Wind wheel drives the rotation of slow speed turbine stage gear, the rotation of slow speed turbine stage gear drive intergrade gear, and the rotation of intergrade gear driven intergrade power shift gear, the intergrade power shift gear drives level gear rotation at a high speed, and drives the brake disc rotation, finally drives the generator rotation; Now the fluid because of external hydraulic power does not access oil hydraulic motor, thus the rotation of intergrade gear driven motor drive shaft gear, and drive oil hydraulic motor idle running;
When needs lock wind wheel, the fluid of external hydraulic power is linked in oil hydraulic motor, the rotation of driving oil hydraulic motor, drive the rotation of motor drive shaft gear, the rotation of motor drive shaft gear drive intergrade gear, the rotation of intergrade gear drive slow speed turbine stage gear, and drive wind wheel slow circumvolve, until during the alignment of the hole of the wind wheel lock collar of wind wheel and wind wheel lock, external hydraulic power stops the driving to oil hydraulic motor, the parking while realizing jiggering;
When generator shaft and high speed shaft of gearbox need centering, by controller, control gear shifting structure and move the intergrade power shift gear, allow the intergrade power shift gear with high speed level gear, not mesh, the intergrade power shift gear is in separated state with a high speed level gear, the moving brake disc of this hour indicator can not drive the rotation of intergrade power shift gear, just can not drive the wind wheel rotation yet, the moving brake disc of dish, carry out the data capture of laser alignment instrument, complete the centering operation of generator shaft and high speed shaft of gearbox.
A kind of high-power wind turbine unit, this high-power wind turbine unit are provided with the high low speed reel car device of above-mentioned high-power wind turbine unit.
The present invention drives oil hydraulic motor and gearshift by hydraulic system, realize the function of jiggering separately of lower velocity shaft and high speed shaft, its oil hydraulic motor is arranged on the main-gear box of wind-powered electricity generation unit, by oil hydraulic motor, drive coaxial gear rotation, drive the intergrade gear rotation of main-gear box, the final lower velocity shaft that drives rotates, allow hole and the wind wheel lock of wind wheel lock collar align, realize the locking of wind wheel, because the gear-box body of wind-powered electricity generation unit carries hydraulic system, can realize so only need to increase an oil hydraulic motor; Gearshift is arranged on the high speed shaft of gearbox of wind-powered electricity generation unit, when high speed shaft needs centering, by gearshift, separate intergrade power shift gear and high speed level gear, thereby realize separating of high speed shaft and lower velocity shaft, realize the independent jiggering of high speed shaft, solved because of and the high speed shaft acquisition precision problem of the centering data of the high speed shaft that brings of the lower velocity shaft start and stop of jiggering together, and because the disengaging of lower velocity shaft and high speed shaft, to reduce the impact of the wind regime of wind field on the operation of high speed shaft jiggering, improve efficiency and the Security of high speed shaft jiggering operation.
The present invention is large because of the specific power of its oil hydraulic motor, installing space is less, can reduce the demand to the gear-box installing space, less to the space hold of gear-box, and the connection of external hydraulic power and oil hydraulic motor is a hydraulic tube, so more convenient and flexibility more arranged; Because of the intergrade band engaging and disengaging gear of its barring gear, realized the separation of the high slow speed turbine stage jiggering of wind-powered electricity generation unit.The invention solves jiggering difficulty and the many problems of artificial demand in wind energy turbine set, efficient, safety, laborsaving.
The accompanying drawing explanation
Fig. 1 is the structural representation of the high low speed reel car device of high-power wind turbine unit of the present invention.
In figure: 1, external hydraulic power; 2, oil hydraulic motor; 3, motor drive shaft gear; 4, intergrade gear; 5, wind wheel; 6, slow speed turbine stage gear; 7 high speed level gears; 8, brake disc; 9, intergrade power shift gear; 10; Gearshift; 11, gearshift controller.
Embodiment
As shown in Figure 1, the high low speed reel car device of the high low speed reel car device high-power wind turbine unit of described high-power wind turbine unit comprises main-gear box, external hydraulic power 1, oil hydraulic motor 2, motor drive shaft gear 3, intergrade gear 4, wind wheel 5, slow speed turbine stage gear 6, high speed level gear 7, brake disc 8, intergrade power shift gear 9, gearshift 10, gearshift controller 11; Described oil hydraulic motor 2 is arranged on main-gear box, described external hydraulic power 1 is connected by hydraulic tube with oil hydraulic motor 2, described oil hydraulic motor 2 coaxially is connected with motor drive shaft gear 3, motor drive shaft gear 3 and 4 engagements of intergrade gear, intergrade gear 4 and 6 engagements of slow speed turbine stage gear, slow speed turbine stage gear 6 connects wind wheel 5; Described intergrade gear 4 is flexibly connected by two rotatingshafts with intergrade power shift gear 9, and intergrade power shift gear 9 connects gearshift 10, and gearshift 10 is provided with gearshift controller 11; Described intergrade power shift gear 9 has meshing relation and can under gearshift 10 is controlled, realize engagement and the conversion separated with a high speed level gear 7, and high speed level gear 7 connects brake discs 8.
When blower fan worked, the fluid of external hydraulic power 1 did not access oil hydraulic motor 2, and gearshift control device device 11 is controlled
Gearshift 10 moves intergrade power shift gear 9, allows intergrade power shift gear 9 and high speed level gear 7 in engaging position; Wind wheel 5 drives 6 rotations of slow speed turbine stage gear, slow speed turbine stage gear 6 drives 4 rotations of intergrade gear, and intergrade gear 4 drives 9 rotations of intergrade power shift gear, and intergrade power shift gear 9 drives level gear 7 rotations at a high speed, and drive brake disc 8 rotations, finally drive the generator rotation; Now the fluid because of external hydraulic power 1 does not access oil hydraulic motor 2, so intergrade gear 4 drives 3 rotations of motor drive shaft gear, and drives oil hydraulic motor 2 idle running.
When needs lock wind wheel, the fluid of external hydraulic power 1 is linked in oil hydraulic motor 2, realize the rotation of hydraulic actuating fluid pressure motor 2, thereby realize the rotation of motor drive shaft gear 3, motor drive shaft gear 3 drives 4 rotations of intergrade gear, and intergrade gear 4 drives 6 rotations of slow speed turbine stage gear, and drive wind wheel 5 slow circumvolves, until during the alignment of the hole of the wind wheel lock collar of wind wheel and wind wheel lock, external hydraulic power 1 stops the driving to oil hydraulic motor 2, the parking while realizing jiggering.
When because generator shaft and high speed shaft of gearbox are while needing centering, by slide piece controller 11, control gear shifting structure 10 and move intergrade power shift gear 9, allow intergrade power shift gear 9 with high speed level gear 7, not mesh, the moving brake disc 8 of this hour indicator can not allow intergrade power shift gear 9 realize rotation, just can not allow wind wheel 5 rotate yet, also just realized the independent rotation of level at a high speed, now can coil brake disc 8 easily, realize the data capture of laser alignment instrument, complete the centering operation of generator shaft and high speed shaft of gearbox.Do like this any barring gear of having avoided old-fashioned all can allow the wind wheel 5 of slow speed turbine stage rotate when dish moves the brake disc of wind-powered electricity generation unit drawback; When being reduced in jiggering and stopping, the impact of lower velocity shaft, on the impact of the data capture of the laser alignment instrument of level at a high speed, has improved the coaxial accuracy of high speed shaft of gearbox and generator shaft.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all being included in protection scope of the present invention.
Claims (5)
1. the high low speed reel car device of a high-power wind turbine unit, comprise main-gear box, it is characterized in that, also comprise external hydraulic power (1), oil hydraulic motor (2), motor drive shaft gear (3), intergrade gear (4), wind wheel (5), slow speed turbine stage gear (6), high speed level gear (7), brake disc (8), intergrade power shift gear (9), gearshift (10) and gearshift controller (11); Described oil hydraulic motor (2) is arranged on main-gear box, described external hydraulic power (1) is connected by hydraulic tube with oil hydraulic motor (2), described oil hydraulic motor (2) and coaxial being connected of motor drive shaft gear (3), motor drive shaft gear (3) and intergrade gear (4) engagement, intergrade gear (4) and slow speed turbine stage gear (6) engagement, slow speed turbine stage gear (6) connects wind wheel (5); Described intergrade gear (4) is connected by rotatingshaft with intergrade power shift gear (9), and intergrade power shift gear (9) connects gearshift (10), and gearshift (10) is provided with gearshift controller (11); Described intergrade power shift gear (9) has meshing relation and can under gearshift (10) is controlled, realize engagement and the conversion separated with a high speed level gear (7), and a high speed level gear (7) connects brake disc (8).
2. the high low speed reel car device of high-power wind turbine unit according to claim 1, it is characterized in that, described intergrade gear (4) is arranged on same rotatingshaft and can under gearshift (10) is controlled, together moves with intergrade power shift gear (9), makes intergrade power shift gear (9) and level gear (7) realization engagement and the conversion separated at a high speed.
3. the high low speed reel car device of high-power wind turbine unit according to claim 1, it is characterized in that, described intergrade gear (4) is flexibly connected by two rotatingshafts with intergrade power shift gear (9), described intergrade power shift gear (9) can be mobile under gearshift (10) is controlled, and makes intergrade power shift gear (9) and level gear (7) realization engagement and the conversion separated at a high speed.
4. the using method of the high low speed reel car device of a high-power wind turbine unit, is characterized in that,
When the wind-powered electricity generation unit worked, the fluid of external hydraulic power did not access oil hydraulic motor, and gearshift control device is controlled gearshift and moved the intergrade power shift gear, made intergrade power shift gear and high speed level gear be in engaging position; Wind wheel drives the rotation of slow speed turbine stage gear, the rotation of slow speed turbine stage gear drive intergrade gear, and the rotation of intergrade gear driven intergrade power shift gear, the intergrade power shift gear drives level gear rotation at a high speed, and drives the brake disc rotation, finally drives the generator rotation; Now the fluid because of external hydraulic power does not access oil hydraulic motor, thus the rotation of intergrade gear driven motor drive shaft gear, and drive oil hydraulic motor idle running;
When needs lock wind wheel, the fluid of external hydraulic power is linked in oil hydraulic motor, the rotation of driving oil hydraulic motor, drive the rotation of motor drive shaft gear, the rotation of motor drive shaft gear drive intergrade gear, the rotation of intergrade gear drive slow speed turbine stage gear, and drive wind wheel slow circumvolve, until during the alignment of the hole of the wind wheel lock collar of wind wheel and wind wheel lock, external hydraulic power stops the driving to oil hydraulic motor, the parking while realizing jiggering;
When generator shaft and high speed shaft of gearbox need centering, by controller, control gear shifting structure and move the intergrade power shift gear, allow the intergrade power shift gear with high speed level gear, not mesh, the moving brake disc of this hour indicator can not drive the rotation of intergrade power shift gear, just can not drive the wind wheel rotation yet; The moving brake disc of dish, carry out the data capture of laser alignment instrument, completes the centering operation of generator shaft and high speed shaft of gearbox.
5. a high-power wind turbine unit, is characterized in that, described high-power wind turbine unit is provided with the high low speed reel car device of the described high-power wind turbine unit of any one in claims 1 to 3.
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CN201310368886.0A CN103410683B (en) | 2013-08-22 | 2013-08-22 | A kind of high low speed reel car device of high-power wind turbine unit and using method thereof |
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CN201310368886.0A CN103410683B (en) | 2013-08-22 | 2013-08-22 | A kind of high low speed reel car device of high-power wind turbine unit and using method thereof |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105114296A (en) * | 2015-08-07 | 2015-12-02 | 三一重型能源装备有限公司 | Fracturing pump and position adjusting device for plunger thereof |
CN107201992A (en) * | 2017-07-19 | 2017-09-26 | 国电联合动力技术有限公司 | Packaged type wind power generating set barring gear and the Wind turbines including the device |
CN109826763A (en) * | 2019-04-11 | 2019-05-31 | 国电联合动力技术有限公司 | A kind of low wind speed wind power generator group variable speed cranking system and jiggering method |
CN109973318A (en) * | 2017-12-28 | 2019-07-05 | 江苏金风科技有限公司 | The control system and method for generator amature locking pin |
CN113187566A (en) * | 2021-05-11 | 2021-07-30 | 中国船舶重工集团公司第七0三研究所 | Gear box barring device |
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NL8105638A (en) * | 1981-12-15 | 1983-07-01 | Polenko B V | Wind turbine with rotor braking flaps - has rods actuating flaps coupled to common brake disc on shaft |
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CN105114296A (en) * | 2015-08-07 | 2015-12-02 | 三一重型能源装备有限公司 | Fracturing pump and position adjusting device for plunger thereof |
CN105114296B (en) * | 2015-08-07 | 2019-07-30 | 三一石油智能装备有限公司 | A kind of fracturing pump and its plunger position adjust device |
CN107201992A (en) * | 2017-07-19 | 2017-09-26 | 国电联合动力技术有限公司 | Packaged type wind power generating set barring gear and the Wind turbines including the device |
CN109973318A (en) * | 2017-12-28 | 2019-07-05 | 江苏金风科技有限公司 | The control system and method for generator amature locking pin |
CN109973318B (en) * | 2017-12-28 | 2020-04-10 | 江苏金风科技有限公司 | Control system and method for generator rotor locking pin |
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CN109826763A (en) * | 2019-04-11 | 2019-05-31 | 国电联合动力技术有限公司 | A kind of low wind speed wind power generator group variable speed cranking system and jiggering method |
CN113187566A (en) * | 2021-05-11 | 2021-07-30 | 中国船舶重工集团公司第七0三研究所 | Gear box barring device |
CN113187566B (en) * | 2021-05-11 | 2022-10-21 | 中国船舶重工集团公司第七0三研究所 | Gear box barring gear |
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