CN109826763A - A kind of low wind speed wind power generator group variable speed cranking system and jiggering method - Google Patents
A kind of low wind speed wind power generator group variable speed cranking system and jiggering method Download PDFInfo
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- CN109826763A CN109826763A CN201910291236.8A CN201910291236A CN109826763A CN 109826763 A CN109826763 A CN 109826763A CN 201910291236 A CN201910291236 A CN 201910291236A CN 109826763 A CN109826763 A CN 109826763A
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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
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- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a kind of low wind speed wind power generator group variable speed cranking systems, including control mechanism and motor connected to it and hydraulic gearbox, it include the bottom gear gear set and top gear gear set being connect with motor output shaft in hydraulic gearbox, which connect with shaft coupling brake disc.It is equipped with normal closed hydraulic brake and normally opened hydraulic clutch between bottom gear gear set and top gear gear set, is able to achieve the switching of slow-speed of revolution output and the output of high revolving speed.It further include rotation speed monitoring mechanism and hydraulic pressure-keeping mechanism in gearbox.The invention also discloses low wind speed wind power generator group variable speed jiggering methods.The setting that the present invention passes through bottom gear gear set and the ingehious design and liquid braking device and hydraulic clutch of top gear gear set, it can effectively realize low speed torque output and high torque output, meet the jiggering movement under different rotating speeds demand, the setting for also passing through monitor speed mechanism and hydraulic pressure-keeping mechanism, greatly improves the security reliability of the cranking system.
Description
Technical field
The present invention relates to Wind turbines jiggering technical fields, more particularly to a kind of low wind speed wind power generator group variable speed
Cranking system and jiggering method.
Background technique
In recent years, it is set as the single-machine capacity of MW class wind turbine group continues to increase and tends to ultralow wind speed unit
Meter, impeller diameter are continuously increased, are influenced in addition by condition with a varied topography, in the industry generally existing large impeller unit lifting and later period dimension
The problems such as shield is difficult.Such as in unit assembling of ship machinery operating condition, traditional suspender belt pocket holds impeller Hoisting Program unsuitable extreme terrain
Wind Power Project, lifting mode needs assemble three blades and wheel hub on ground, later main crane and the cooperation of auxiliary crane,
Two roots of blade are held using suspender belt pocket to be lifted by crane, then complete impeller overturning.Such lifting mode need ground have compared with
Big working space, but such as mountainous region, forest land, marine project Ground Operation space very little；Seat in the plane expropriation of land is difficult and costly；Dispersion
For formula wind-power electricity generation project mostly in the more complicated region of the landform such as southern mountain, this proposes more harsh choose to the lifting mode of impeller
War.
For the situation, research can be under effective solution complexity extreme terrain environment using single blade hoisting technology scheme
Large impeller lifts difficult problem.Single blade lifting saves ground assembling impeller, single branch blade weight using aerial hoisting blade one by one
Measure it is relatively light, even if wind speed, wind vector fastly its Installation posture can be effectively controlled, accomplish accurately to dock.In addition it can also mention
It rises lifting operation and adapts to wind speed, expand activity duration section, the goods and materials such as effective use crane.The application of single blade hoisting technology, no
The purpose of ecological environmental protections, but also the distributing wind turbine that can be more complicated for landform such as few expropriation of land is only reached, has chopped at a tree less
Group lifting provides important technology deposit.
And before single blade lifting, an indispensable task is: needing the jiggering system of a set of large torque slow-speed of revolution
System carrys out band runner hub and blade rotates.After two blades and wheel hub are completed, the torque that cranking system is subjected to is maximum, disk
Vehicle system needs to bear the jiggering task of large torque at the low rotational speed.In O&M operating condition, when special circumstances cause blade to damage,
Need the replacement using the cranking system cooperation complete paired fault blade of single blade special hanger.In the process cranking system by
Torque of torque when being relatively shorter than single blade lifting, jiggering revolving speed can choose fast block and rotates failure blade to advantageous
Position more changes jobs convenient for Lamellar hanger development, requires cranking system that can export biggish revolving speed under such operating condition.
In addition, also may require that cranking system can provide the jiggering power of different rotating speeds at any time there are also other operating conditions: such as Dan Ye
It needs to carry out main-gear box to stir oil before piece lifting and makes flank of tooth forced feed lubrication, the cranking system for needing very fast revolving speed comes for transmission
Chain provides rotary power；For another example big megawatt wind unit or offshore wind farm unit, wind wheel locking pin are pushed into the rotor of hub side
It before locking disk hole, needs to provide rotary power using quick cranking system, crawl behaviour can be completed at pin and hole close position
Make, need at a slow speed jiggering help the pin hole to enter position.
In conclusion a kind of anxious cranking system of efficient, safe, feasible speed variable to be supplied, to meet different works
Speed demand under condition.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of low wind speed wind power generator group variable speed cranking systems, make it
Efficiently, safety, the feasible jiggering movement executed under different rotating speeds, be both able to achieve under single blade lifting operating condition times of jiggering at a slow speed
Business, and the quick jiggering task of O&M stage replacement failure blade can be completed, to overcome the shortcomings of existing cranking system.
In order to solve the above technical problems, the present invention provides a kind of low wind speed wind power generator group variable speed cranking system, packet
Including control mechanism and motor connected to it and hydraulic gearbox include and the motor output shaft connect in the hydraulic gearbox
The input shaft and input shaft gear that connect, the jackshaft constant mesh gear engaged with the input shaft gear and jackshaft, setting exist
Bottom gear gear and top gear gear on the jackshaft, the bottom gear output gear engaged with the bottom gear gear, with
The top gear output gear and planetary gear train of the top gear gear engagement, the bottom gear output gear and top gear are defeated
Gear shares level-one sun wheel shaft, the output end of the level-one sun wheel shaft and the input axis connection of the planetary gear train, institute out
The output shaft for stating planetary gear train is used to connect with the shaft coupling brake disc of Wind turbines,
Normal closed hydraulic brake and normally opened hydraulic clutch are equipped between the bottom gear gear and top gear gear, it is described
When liquid braking device is closed, hydraulic clutch is opened, the control mechanism drives the input by controlling the motor starting
Shaft gear rotation, and then jackshaft constant mesh gear, bottom gear gear, the rotation of bottom gear output gear are driven, finally drive institute
It states planetary gear train and its output shaft slowly runs；When the liquid braking device is opened, hydraulic clutch is closed, the control mechanism
By controlling the motor starting, the input shaft gear is driven to rotate, and then drive jackshaft constant mesh gear, top gear tooth
Wheel, the rotation of top gear output gear, finally drive the planetary gear train and its output shaft high-speed rotation.
It is further improved, rotation speed monitoring mechanism, the rotation speed monitoring machine is arranged in the output end of the level-one sun wheel shaft
Structure is connect with the control mechanism, described when the rotation speed monitoring mechanism monitors that the level-one sun wheel shaft revolving speed is not 0
Control mechanism controls the liquid braking device and the folding condition of hydraulic clutch is constant.
It is further improved, the input shaft is provided with hydraulic pressure-keeping mechanism far from the end of the motor output end.
It is further improved, the motor uses positive and negative rotating hydraulic motor, and there is the hydraulic motor positive and negative rotation to interlock function
Energy.
It is further improved, the control mechanism includes hydraulic power mechanism and controlling terminal, the hydraulic power mechanism packet
Fuel tank, oil pump, electric control element and Hydraulic Elements are included, for being the motor and hydraulic speed-changing under the control of the controlling terminal
Case provides power.
It is further improved, the motor is connect by fluid pressure line with the oil pump, and the fluid pressure line is equipped with operation
Application valve body.
It is further improved, what the output shaft end of the planetary gear train was set as connecting with Wind turbines shaft coupling brake disc
Flange plate structure.
The present invention also provides a kind of jiggering method using above-mentioned low wind speed wind power generator group variable speed cranking system,
The jiggering method includes: to control the liquid braking device and liquid according to the jiggering demand of the low wind speed wind power generator group
The folding condition of clutch is pressed,
If need slow-speed of revolution output torque, the liquid braking device closing is controlled, hydraulic clutch is opened, the then control
Mechanism processed drives the input shaft gear to rotate, and then drive the normal engaging tooth of jackshaft by controlling the motor starting
Wheel, the rotation of bottom gear gear, bottom gear output gear, finally drive the planetary gear train and its output shaft to slowly run；
If need high revolving speed output torque, the liquid braking device opening is controlled, hydraulic clutch is closed, the then control
Mechanism processed drives the input shaft gear to rotate, and then drive the normal engaging tooth of jackshaft by controlling the motor starting
Wheel, the rotation of top gear gear, top gear output gear, finally drive the planetary gear train and its output shaft high-speed rotation；
And the output end of the level-one sun wheel shaft be arranged rotation speed monitoring mechanism, the rotation speed monitoring mechanism with it is described
Control mechanism connection, when the rotation speed monitoring mechanism monitors that the level-one sun wheel shaft revolving speed is not 0, the control mechanism
The folding condition for controlling the liquid braking device and hydraulic clutch is constant.
It is further improved, the jiggering method further include: hydraulic pressure-keeping mechanism, the control are set on the input shaft
When accidental interruption occurs for mechanism or motor, the hydraulic pressure-keeping mechanism keeps the input shaft gear braking.
Be further improved, the jiggering method further include: the planetary gear train output shaft end by be more than the liquid
When the external load of pressure and speed case output torque, the control mechanism control is in the liquid braking device or liquid of closed state
Press clutch failure.
By adopting such a design, the present invention has at least the following advantages:
1. variable speed cranking system of the present invention is skilful by the bottom gear gear set of hydraulic gearbox and top gear gear set
Wonderful design and the setting of liquid braking device and hydraulic clutch can effectively realize low speed torque output and high torque output,
Meet the jiggering movement under different rotating speeds demand, i.e., is not only able to achieve under single blade lifting operating condition the task of jiggering at a slow speed, but also can be complete
At the quick jiggering task of O&M stage replacement failure blade, flexibly, purposes is various for switching.
2. being also in normally off by the way that liquid braking device under most of operating condition is arranged, it is ensured that carry sufficiently large feelings outside
Under condition, load will not back transfer to planetary gear train, evaded transmission system that shift process is likely to occur by outer and carried counter drag
Risk.
3. also the output revolving speed lifting trend of cranking system can be monitored in real time, and lead to by setting monitor speed mechanism
It crosses and is connect with control mechanism, may be implemented not can be carried out gear shift operation under maloperation state, it can be in the mistake of shift maloperation
Cranking system is protected in journey.And due to being to realize gear shifting action using hydraulic control, safety labor-saving overcomes biography
The larger drawback of the hand driving lever gear shift unit resistance of system.
4. being realized using fluid power principle of keeping pressure in input power interruption or fluid pressure line also by the way that hydraulic pressure-keeping mechanism is arranged
Leakage etc. is under fortuitous events, realizes pressure holding function, and keeping parallelism grade gear keeps meshing state and plays the purpose of Braking system,
Guarantee the safe and reliable of entire cranking system, safety greatly improves.
5. setting flange disc mechanism for the output end of the cranking system, it is connect, is kept away with shaft coupling brake disc by bolt
The operation of tooth punching need to be carried out to shaft coupling brake disc outer rim by having exempted from existing barring gear, effectively increase power transmission efficiency.
6. variable speed cranking system of the present invention is compact-sized, facilitate lifting, installation and disassembly, using flexible is vdiverse in function.
Variable speed jiggering method of the present invention is easy to operate, high safety and reliability.
Detailed description of the invention
The above is merely an overview of the technical solutions of the present invention, in order to better understand the technical means of the present invention, below
In conjunction with attached drawing, the present invention is described in further detail with specific embodiment.
Fig. 1 is variable speed cranking system schematic diagram of the present invention.
Wherein: 1, control mechanism, 2, motor, 3, hydraulic gearbox, 4, planetary gear train output end, 5, input shaft, 6, centre
Axis, 7, level-one sun wheel shaft, 8, input shaft gear, 9, jackshaft constant mesh gear, 10, bottom gear gear, 11, top gear tooth
Wheel, 12, bottom gear output gear, 13, top gear output gear, 14, liquid braking device (normally closed), 15, hydraulic clutch (often
Open), 16, planetary gear train (often engaging dentition), 17, planetary gear train output shaft, 18, hydraulic pressure-keeping mechanism, 19, rotation speed monitoring machine
Structure.
Specific embodiment
Referring to shown in attached drawing 1, the present embodiment low wind speed wind power generator group variable speed cranking system, including control mechanism 1
With motor 2 connected to it and hydraulic gearbox 3.
In the present embodiment control mechanism 1 include hydraulic power mechanism and controlling terminal, the hydraulic power mechanism include fuel tank,
Oil pump, radiating motor, electric control element, Hydraulic Elements and related sensor, each component are connected using existing connection type, are formed as
Motor and hydraulic gearbox provide the hydraulic power mechanism of power.The cabin cabinet electricity that the controlling terminal passes through cable and Wind turbines
Source connection realizes upper electricity demanding for the cranking system, which further includes various control buttons, for controlling the jiggering
System, which executes, quickly to be acted with jiggering at a slow speed.
The motor 2 is connect by fluid pressure line with oil pump, which is equipped with operation application valve body, for controlling this
The power of motor inputs.And the motor 2 uses positive and negative rotating hydraulic motor, is able to satisfy the demand of two-way jiggering.More preferably, this is being just
Reverse hydraulic motor also has positive and negative rotation interlock function, can avoid the maloperation of positive and negative rotation button, that is, realizes during rotating forward
It will not make cranking system conversion direction triggering reversion button, it is possible thereby to greatly improve the reliability of cranking system.
Include in the hydraulic gearbox 3 and the input shaft 5 of the motor 2 output axis connection and input shaft gear 8 and the input
The jackshaft constant mesh gear 9 and jackshaft 6 of the engagement of shaft gear 8, the bottom gear gear 10 being arranged on the jackshaft 6 and high speed
Gear gear 11, the bottom gear output gear 12 engaged with the bottom gear gear 10, the top gear engaged with the top gear gear 11
Output gear 13 and planetary gear train 16, the bottom gear output gear 12 and top gear output gear 13 share level-one sun gear
Axis 7, the input axis connection of the output end of the level-one sun wheel shaft 7 and the planetary gear train 16, the output shaft 17 of the planetary gear train 16
It as the output end 4 of the jiggering, is connect for the shaft coupling brake disc with Wind turbines, realizes the disk to the shaft coupling brake disc
Vehicle movement.Wherein, bottom gear gear 10 is smaller than the diameter of top gear gear 11, and bottom gear output gear 12 is exported than top gear
The diameter of gear 13 then will be able to achieve bottom gear output gear 12 and export the slow-speed of revolution, top gear output gear 13 exports high turn greatly
Speed.
Also, normal closed hydraulic brake 14 and normally opened hydraulic is equipped between the bottom gear gear 10 and top gear gear 11
Clutch 15, when which closes, hydraulic clutch 15 is opened, which is opened by controlling the motor 2
It is dynamic, drive the input shaft gear 8 to rotate, and then drive jackshaft constant mesh gear 9, bottom gear gear 10, bottom gear output gear
12 rotation of wheel, finally drives the planetary gear train 16 and its output shaft 17 to slowly run；And the liquid braking device 14 open, it is hydraulic from
When the closing of clutch 15, which drives the input shaft gear 8 to rotate, and then in drive by controlling the motor 2 starting
Between axis constant mesh gear 9, top gear gear 11, top gear output gear 13 rotate, finally drive the planetary gear train 16 and its defeated
17 high-speed rotation of shaft.The cranking system, can be cleverly by the folding control to liquid braking device and hydraulic clutch in this way
The quick and slow rotation output for realizing the cranking system, reaches the different jiggering requirements under Wind turbines difference operating condition.
Preferred embodiment is that rotation speed monitoring mechanism 19 is arranged in the output end of the level-one sun wheel shaft 7 in the present embodiment, such as
Speed probe for monitoring the rotary speed information of the level-one sun wheel shaft 7 in real time, and is sent to control mechanism 1.It is supervised in the revolving speed
Mechanism 19 is surveyed when monitoring that 7 revolving speed of level-one sun wheel shaft is not 0, which controls the liquid braking device 14 and hydraulic
The folding condition of clutch 15 is constant.I.e. in the case where the rotation of the output end of the cranking system, shift speed change can not achieve
Operational motion.In this way can to avoid under some revolving speed when jiggering, when such as personnel misoperation fortuitous event gear shifting action occurs,
It causes the fault of jiggering movement and brings danger.It is, only can just be held when the cranking system output end revolving speed is zero
The gear shifting action of row gear shift unit.
The input shaft 5 is provided with hydraulic pressure-keeping mechanism 18 far from the end of the motor output end.The hydraulic pressure-keeping mechanism 18
It can realize under the fortuitous events such as input power interruption or fluid pressure line leakage by fluid power principle of keeping pressure, realize pressure holding function,
The purpose that Braking system is played to keeping parallelism grade gear holding meshing state, after power provides again, hydraulic braking
Release, system restore jiggering movement, guarantee the safe and reliable of entire cranking system, further improve the safety of the cranking system
Property.
17 end of output shaft of the planetary gear train 16 is set as the ring flange knot connecting with Wind turbines shaft coupling brake disc
Structure 4 facilitates the connection of the cranking system and brake disc.The flange plate structure avoids existing barring gear and need to brake to shaft coupling
Disk outer rim carries out the operation of tooth punching, effectively increases power transmission efficiency.
Variable speed cranking system of the present invention further includes fixed mechanism, for the cranking system to be fixedly mounted on Wind turbines
On cabin frame.Specifically, the control cabinet being made of in the cranking system control mechanism, which can be lifted to frame main beam, reinforces pedal
Place, the hydraulic gearbox can borrow the space of Wind turbines shaft coupling intermediate, and axial space is compact, will not be with other component
It interferes；The output end of the hydraulic gearbox is fastenedly connected by bolt and shaft coupling brake disc, can simply and easily be realized
Jiggering function.
The present invention also provides a kind of jiggering method using above-mentioned low wind speed wind power generator group variable speed cranking system,
The jiggering method includes: the jiggering demand according to the low wind speed wind power generator group, controls the liquid braking device and hydraulic clutch
The folding condition of device.
When if desired using bottom gear output torque, the switching of respective switch button is carried out by controlling terminal operation interface,
Control the liquid braking device 14 be in close state, hydraulic clutch 15 it is in the open state, the control mechanism 1 passes through at this time
Control the motor 2 starting, drive the input shaft gear 8 rotate, and then drive jackshaft constant mesh gear 9, bottom gear gear 10,
Bottom gear output gear 12 rotates, and the planetary gear train 16 and its output shaft 17 is finally driven to slowly run.
When if desired using top gear output torque, the switching of respective switch button is carried out by controlling terminal operation interface,
Control that the liquid braking device 14 is in the open state, hydraulic clutch 15 is in close state, the control mechanism 1 passes through at this time
Control the motor 2 starting, drive the input shaft gear 8 rotate, and then drive jackshaft constant mesh gear 9, top gear gear 11,
Top gear output gear 13 rotates, and finally drives 17 high-speed rotation of the planetary gear train 16 and its output shaft.
And the monitoring using the rotation speed monitoring mechanism 19 to 7 revolving speed of level-one sun wheel shaft, it is to the cranking system
Whether the monitoring of jiggering state is in, and when 7 revolving speed of level-one sun wheel shaft is not 0, which controls the hydraulic braking
The folding condition of device 14 and hydraulic clutch 15 is constant.That is, only when the revolving speed of level-one sun wheel shaft 7 is 0, the liquid
The folding condition of pressure brake 14 and hydraulic clutch 15 just can change, and could execute gearshift function.
In addition, making the control mechanism or motor that accident occur dynamic using the hydraulic pressure holding function of the hydraulic pressure-keeping mechanism 18
When power source is interrupted, which keeps the input shaft gear 8 braking.
In addition, when the output shaft end of the planetary gear train is by being more than the external load of the hydraulic gearbox output torque,
The control mechanism 1 can control the liquid braking device in closed state or hydraulic clutch fails first, so as to protect
Cranking system headend equipment is not destroyed.
Variable speed cranking system of the present invention is suitable for high-power low wind speed wind power generator group, which was both able to achieve
When single blade lifts operating condition, the task of jiggering at a slow speed is needed, and the quick jiggering of O&M stage replacement failure blade can be completed
Task.Certainly, which can also be used to before completing single blade lifting carry out stirring the very fast tachometer disk of oil needs to main-gear box
The task of vehicle, and the locked rotor disk hole of the wind wheel locking pin of megawatt wind unit or offshore wind farm unit push-in hub side greatly
Before, the task of quick jiggering is needed, and the task of jiggering at a slow speed is needed at locking pin and hole close position.The variable speed disk
It is vehicle system high efficiency, safe, feasible, reliable.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, this
Field technical staff makes a little simple modification, equivalent variations or modification using the technology contents of the disclosure above, all falls within this hair
In bright protection scope.
Claims (10)
1. a kind of low wind speed wind power generator group variable speed cranking system, which is characterized in that including control mechanism and be connected thereto
Motor and hydraulic gearbox, include the input shaft being connect with the motor output shaft and input shaft tooth in the hydraulic gearbox
Wheel, the jackshaft constant mesh gear engaged with the input shaft gear and jackshaft, the bottom gear being arranged on the jackshaft
Gear and top gear gear, engage the bottom gear output gear that engages with the bottom gear gear with the top gear gear
Top gear output gear and planetary gear train, the bottom gear output gear and top gear output gear share level-one sun gear
The output shaft of axis, the output end of the level-one sun wheel shaft and the input axis connection of the planetary gear train, the planetary gear train is used
It is connect in the shaft coupling brake disc with Wind turbines,
Normal closed hydraulic brake and normally opened hydraulic clutch are equipped between the bottom gear gear and top gear gear, it is described hydraulic
When brake is closed, hydraulic clutch is opened, the control mechanism drives the input shaft tooth by controlling the motor starting
Wheel rotation, and then jackshaft constant mesh gear, bottom gear gear, the rotation of bottom gear output gear are driven, finally drive the row
Star wheel series and its output shaft slowly run；When the liquid braking device is opened, hydraulic clutch is closed, the control mechanism passes through
Control the motor starting, the input shaft gear driven to rotate, so drive jackshaft constant mesh gear, top gear gear,
The rotation of top gear output gear, finally drives the planetary gear train and its output shaft high-speed rotation.
2. low wind speed wind power generator group variable speed cranking system according to claim 1, which is characterized in that the level-one
Rotation speed monitoring mechanism is arranged in the output end of sun wheel shaft, and the rotation speed monitoring mechanism is connect with the control mechanism, described
When rotation speed monitoring mechanism monitors that the level-one sun wheel shaft revolving speed is not 0, the control mechanism controls the liquid braking device
It is constant with the folding condition of hydraulic clutch.
3. low wind speed wind power generator group variable speed cranking system according to claim 1, which is characterized in that the input
Axis is provided with hydraulic pressure-keeping mechanism far from the end of the motor output end.
4. low wind speed wind power generator group variable speed cranking system according to claim 1, which is characterized in that the motor
Using positive and negative rotating hydraulic motor, and the hydraulic motor has positive and negative rotation interlock function.
5. low wind speed wind power generator group variable speed cranking system according to any one of claims 1 to 4, feature exist
It include hydraulic power mechanism and controlling terminal in, the control mechanism, the hydraulic power mechanism includes fuel tank, oil pump, automatically controlled
Element and Hydraulic Elements, for providing power under the control of the controlling terminal for the motor and hydraulic gearbox.
6. low wind speed wind power generator group variable speed cranking system according to claim 5, which is characterized in that the motor
It is connect by fluid pressure line with the oil pump, the fluid pressure line is equipped with operation application valve body.
7. low wind speed wind power generator group variable speed cranking system according to claim 1, which is characterized in that the planet
The output shaft end of train is set as the flange plate structure connecting with Wind turbines shaft coupling brake disc.
8. a kind of jiggering using the described in any item low wind speed wind power generator group variable speed cranking systems of claim 1 to 7
Method, which is characterized in that the jiggering method includes: to control institute according to the jiggering demand of the low wind speed wind power generator group
The folding condition of liquid braking device and hydraulic clutch is stated,
If need slow-speed of revolution output torque, the liquid braking device closing, hydraulic clutch opening are controlled, then the control machine
Structure drives the input shaft gear to rotate by controlling the motor starting, and then drives the jackshaft constant mesh gear, low
Speed gear gear, the rotation of bottom gear output gear, finally drive the planetary gear train and its output shaft to slowly run；
If need high revolving speed output torque, the liquid braking device opening, hydraulic clutch closing are controlled, then the control machine
Structure drives the input shaft gear to rotate, and then drive the jackshaft constant mesh gear, height by controlling the motor starting
Speed gear gear, the rotation of top gear output gear, finally drive the planetary gear train and its output shaft high-speed rotation；
And rotation speed monitoring mechanism, the rotation speed monitoring mechanism and the control are set in the output end of the level-one sun wheel shaft
Mechanism connection, when the rotation speed monitoring mechanism monitors that the level-one sun wheel shaft revolving speed is not 0, the control mechanism control
The folding condition of the liquid braking device and hydraulic clutch is constant.
9. low wind speed wind power generator group variable speed jiggering method according to claim 8, which is characterized in that the jiggering
Method further include: hydraulic pressure-keeping mechanism is set on the input shaft, when accidental interruption occurs for the control mechanism or motor, institute
It states hydraulic pressure-keeping mechanism and keeps the input shaft gear braking.
10. low wind speed wind power generator group variable speed jiggering method according to claim 8, which is characterized in that the disk
Vehicle method further include: the planetary gear train output shaft end by be more than the hydraulic gearbox output torque external load
When, the liquid braking device or hydraulic clutch failure of the control mechanism control in closed state.
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| CN201910291236.8A CN109826763A (en) | 2019-04-11 | 2019-04-11 | A kind of low wind speed wind power generator group variable speed cranking system and jiggering method |
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| CN201910291236.8A CN109826763A (en) | 2019-04-11 | 2019-04-11 | A kind of low wind speed wind power generator group variable speed cranking system and jiggering method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360057A (en) * | 2019-07-30 | 2019-10-22 | 上海电气风电集团有限公司 | A kind of wind power generating set single blade lifting barring gear and its hanging method |
| CN112032001A (en) * | 2020-09-04 | 2020-12-04 | 山东中车风电有限公司 | Electric driving damping barring system and method for hoisting single blade of wind driven generator |
| CN113027707A (en) * | 2020-09-29 | 2021-06-25 | 景能科技有限公司 | Portable barring gear of wind turbine generator system |
| CN113567150A (en) * | 2021-08-02 | 2021-10-29 | 陕西正一机电工程有限公司 | Novel efficient shafting jigger assembly and torsion detection platform device and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110360057A (en) * | 2019-07-30 | 2019-10-22 | 上海电气风电集团有限公司 | A kind of wind power generating set single blade lifting barring gear and its hanging method |
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| CN112032001B (en) * | 2020-09-04 | 2022-03-01 | 山东中车风电有限公司 | Electric driving damping barring system and method for hoisting single blade of wind driven generator |
| CN113027707A (en) * | 2020-09-29 | 2021-06-25 | 景能科技有限公司 | Portable barring gear of wind turbine generator system |
| CN113567150A (en) * | 2021-08-02 | 2021-10-29 | 陕西正一机电工程有限公司 | Novel efficient shafting jigger assembly and torsion detection platform device and use method |
| CN113567150B (en) * | 2021-08-02 | 2024-04-16 | 陕西正一机电工程有限公司 | Novel efficient shafting jigger assembly and torque detection platform device and application method |
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