CN108278183A - A kind of transmission system for wind power plant - Google Patents
A kind of transmission system for wind power plant Download PDFInfo
- Publication number
- CN108278183A CN108278183A CN201810073858.9A CN201810073858A CN108278183A CN 108278183 A CN108278183 A CN 108278183A CN 201810073858 A CN201810073858 A CN 201810073858A CN 108278183 A CN108278183 A CN 108278183A
- Authority
- CN
- China
- Prior art keywords
- chain
- fan blade
- transmission
- steel wire
- sprocket wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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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 present invention relates to a kind of transmission systems for wind power plant, including the second oil cylinder, second cylinder component is arranged below the second horizontal support plate, the tailpiece of the piston rod of second oil cylinder is fixed with the second driving plate, second driving plate is connected on the transmission shaft of fan blade, to drive transmission shaft to rotate, to drive fan blade to rotate to appropriate angle；It is provided in first driving plate at the first magnetic corresponding with the end of the transmission pin, to be contacted by magnetic transmission pin magnetic；It is provided in second driving plate at the second magnetic corresponding with the piston rod of the second cylinder component, to be contacted by the end magnetic with piston rod.The present invention is when controller obtains the fan blade of run-stopping status, detect whether fan blade is in best location status, when fan blade is not on optimum position, then chain wheel driving mechanism pulls fan blade or the second cylinder component urged clockwise from clockwise direction, counterclockwise pulls fan blade to be driven to rotate.
Description
Technical field
The present invention relates to technical field of wind power generation more particularly to a kind of transmission systems for wind power plant.
Background technology
Wind-driven generator is the dynamic power machine for converting wind energy into mechanical energy, and existing wind-driven generator includes direct-drive type wind turbine
With common wind turbine, transmission system includes the bearing block being mounted on engine room foundation, is fixed on bearing block and is used to support main shaft
Bearing, one end of main shaft is fixed with the wheel hub with brake disc, and blade is housed on wheel hub, the main shaft of direct-drive type wind turbine it is another
End is connected with is connected with main speed increaser and main increasing with the fixed straight drive generator of engine room foundation, the other end of the main shaft of common wind turbine
By torque arm floating mount on engine room foundation, the output end of main speed increaser is connected with fixed common with engine room foundation fast device
Generator.
The operation principle of the transmission system of wind-driven generator is rotated using wind-force band movable vane piece, to runner hub and
Main shaft is rotated, and straight generator or the common generator being indirectly connected with of driving of main shaft other end connection carries out under main shaft drive
Work.
The fan blade of wind-driven generator often rotates in power generation process to any angle, and it is dynamic to be unfavorable for wind turbine rotation generation
Can, therefore, transmission system need to be made suitably to adjust fan blade to preset angle, the efficiency of wind-driven generator can be promoted.
Invention content
The purpose of the present invention is to provide a kind of transmission systems for wind power plant, to overcome in the prior art
Technological deficiency.
To achieve the above object, the present invention provides a kind of transmission system for wind power plant, including the first support plate,
Second support plate, the first support plate are arranged at the both ends of the second support plate, support, and the wind on the downside of second support plate is arranged
Leaf, fan blade rotary motion under the driving of transmission component, to produce electricl energy；
The transmission component includes that the chain wheel driving mechanism that can simultaneously or successively act and oil cylinder transmission mechanism, sprocket wheel pass
Motivation structure includes the first sprocket wheel being arranged on the first support plate, the second sprocket wheel being arranged on the second support plate, the first sprocket wheel and
Chain is set between two sprocket wheels, and the second sprocket wheel is duplex chain wheel；The chain wheel driving mechanism further includes driving the first sprocket wheel
Electric machine assembly, electric machine assembly by motor, be connected to motor output end retarder drive the first sprocket wheel rotate, electric machine assembly
By the way that the electric machine support support in its lower end is arranged；The chain wheel driving mechanism further includes that first be arranged on the second support plate is slided
Wheel, second pulley, the steel wire rope with the platform sling component of the transmission axis connection of fan blade and to be driven, wherein one end of steel wire rope
It is fixedly connected with platform sling component, and sequentially passes through first pulley, the second sprocket wheel, second pulley, and the end of steel wire rope and oil
Cylinder transmission mechanism is fixedly connected；The platform sling component includes rope Locking device, transmission pin, and the cage plate being set in outside transmission pin, is passed
The lower end and the first driving plate for passing pin are fixed, and first driving plate is connected on the transmission shaft of fan blade, to drive transmission shaft
Rotation, to drive fan blade to rotate to appropriate angle；
The part that the steel wire rope is connect with the second sprocket wheel is chain, and the second sprocket wheel is driven by with chain interoperation,
In, the chain between first pulley and the second sprocket wheel is the first portion of chain, the chain between the second sprocket wheel and second pulley
Item is the second portion of chain, and when promoting fan blade, portion of chain coordinates with the second sprocket wheel always；
The oil cylinder transmission mechanism includes the first cylinder component and the second cylinder component, and the first cylinder component setting exists
On second support plate, the tail end of the steel wire rope is connect by traction component with the end of the piston rod of the first oil cylinder；
Second cylinder component is arranged below the second horizontal support plate, the tailpiece of the piston rod of the second oil cylinder and the second driving
Plate is fixed, and second driving plate is connected on the transmission shaft of fan blade, to drive transmission shaft to rotate, with drive fan blade rotate to
Appropriate angle；It is provided in first driving plate at the first magnetic corresponding with the end of the transmission pin, to pass through
Magnetic transmission pin magnetic contact；It is provided with corresponding with the piston rod of the second cylinder component second in second driving plate
At magnetic, to be contacted by the end magnetic with piston rod；
In the end set first position sensor of first portion of chain, position residing for the end to the first portion of chain
It sets and is detected, in the end set second position sensor of second portion of chain, to the end institute of the second portion of chain
Place position is detected, and the third place sensor is arranged in the tailpiece of the piston rod of the oil cylinder；
Further include controller, obtains the location information of three position sensors respectively, and pass through three position sensors
Information controls chain wheel driving mechanism, the transmission of oil cylinder transmission mechanism respectively, when the end of the first portion of chain is in the first default position
It sets, meanwhile, when the end of the second portion of chain is in the second predeterminated position, controller is according to two position sensors of detection
Information controls the motor stop motion of chain wheel driving mechanism；Meanwhile controller controls the cylinder action of the first cylinder component, band
Dynamic steel wire rope pulls parking plate movement, until the third place sensor detects that the end of steel wire rope is in third predeterminated position,
Then oil cylinder stop motion；When the end of first portion of chain is in four predeterminated positions, then fan blade is located at sprocket wheel transmission
The clockwise wherein extreme position of mechanism, controller control the second cylinder action, and pulling fan blade, which continues to rotate to the 5th, to be preset
Position.
Further, be provided with comparison module in the controller, by detect in real time three location informations respectively with
Preset location information is compared, when in threshold range, then it is assumed that steel wire rope reaches preset position；
In formula, D is indicated in (t2-t1) in the time, the actual position information and preset position information of three sensors detections
Difference, d0Indicate that the preset position information at the position of corresponding three sensors detection detection, d (t) indicate to pass at two kinds
In motivation structure, the functional relation of the location information and time of the corresponding position of three position sensors detection is linear relationship；
The end position of first portion of chain, the end position of the second portion of chain, the first oil cylinder tailpiece of the piston rod position and the time
For linear relationship；
Meet d=at+b (2)
Wherein, d indicates that the corresponding position of three position sensors detection, t indicate the time, and a, b are constant.
Further, the steel wire rope is fixed on rope Locking device, and transmission pin is fixed on the lower section of rope Locking device, is set in transmission pin
Screw thread is set, is fixed transmission pin and cage plate by screw, correspondingly, the upper and lower part of cage plate is provided with threaded connecting plate,
Threaded hole is provided on connecting plate to be threadedly coupled with transmission pin.
Further, first oil cylinder pulls the end of steel wire rope by drawing device assembly, traction component packet
The tractor being connect with steel wire rope is included, the connector being set on the outside of the tractor, the piston rod of the connector and oil cylinder
Connection；
The cross sectional shape of the tractor is convex shape, and the wherein one side of the connector is open, with for steel wire rope
Pass through, concave slot identical with tractor shape is provided in connector, to provide support force for the entire side of tractor.
The beneficial effects of the present invention are, fan blades of the present invention in normal rotation compared with prior art, platform sling component, the
Two cylinder components do not contact with fan blade, in order to avoid influence the normal rotation of fan blade；The wind of run-stopping status is obtained in controller
Ye Shi, detection fan blade whether be in best location status, when fan blade is not on optimum position, then chain wheel driving mechanism from
Fan blade or the second cylinder component urged clockwise are pulled clockwise, are pulled counterclockwise to drive fan blade to rotate.
Into further, the present invention is transmitted using two kinds of kinds of drive, and the maximum magnitude of the first cylinder component is smaller, therefore
Chain wheel driving mechanism transmission is first passed through, then is driven by the first cylinder component, that is, first passing through chain wheel driving mechanism reaches default
Position, then precisely adjusted by the first cylinder component, so that impeller precisely and can be adjusted continuously to predeterminated position.
Further, when the end of the first portion of chain is in the first predeterminated position, meanwhile, the end of the second portion of chain
When in the second predeterminated position, controller controls the electricity of chain wheel driving mechanism according to the information of two position sensors of detection
Machine stop motion；Meanwhile the cylinder action of controller control cylinder transmission mechanism, drive steel wire rope to pull parking plate movement, directly
Detect that the end of steel wire rope is in third predeterminated position, then oil cylinder stop motion to the third place sensor；Also, described
When the end of first portion of chain is in four predeterminated positions, then fan blade is located at the clockwise wherein limit of chain wheel driving mechanism
Position pulls fan blade to continue rotation to the 5th predeterminated position, this is needed for fan blade at this point, controller controls the action of the second oil cylinder 85
Adjust the extreme clockwise position of rotation.Similarly, it if fan blade is initially located at more than extreme clockwise position, needs to first pass through
Two oil cylinders adjust, then are adjusted by chain wheel driving mechanism.
Further, the cross sectional shape of tractor is convex shape in the present invention, in order to increase the drawing intensity of tractor,
The wherein one side of connector is open, and is passed through with for steel wire rope, convex identical with tractor shape is provided in connector
Slot, to provide support force for the entire side of tractor.
Description of the drawings
Fig. 1 is main structure diagram of the present invention for the transmission system of wind power plant；
Fig. 2 is side structure schematic view of the present invention for the transmission system of wind power plant；
Fig. 3 is the partial structural diagram of platform sling component in Fig. 1 of the present invention；
Fig. 4 is the partial structural diagram of traction component in Fig. 1 of the present invention；
Fig. 5 is the overlooking structure diagram of wind turbine rotating assembly in the present invention.
Specific implementation mode
Below in conjunction with attached drawing, the forgoing and additional technical features and advantages are described in more detail.
The preferred embodiment of the present invention described with reference to the accompanying drawings.What art technology protection mechanism person should understand that
It is that these embodiments are used only for explaining the technical principle of the present invention, it is not intended that limit the scope of the invention.
It should be noted that in the description of the present invention, the instructions such as term "upper", "lower", "left", "right", "inner", "outside"
Direction or the term of position relationship be direction based on ... shown in the drawings or position relationship, this is intended merely to facilitate description, and
It is not instruction or implies that described device or element must have a particular orientation, with specific azimuth configuration and operation, therefore not
It can be interpreted as limitation of the present invention.
In addition it is also necessary to explanation, in the description of the present invention unless specifically defined or limited otherwise, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For art technology, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
Refering to fig. 1, shown in 2, for the present invention for wind power plant transmission system main structure diagram and
Side structure schematic view；The hoisting mechanism of the present embodiment includes the first support plate 11, the second support plate 1, and the setting of the first support plate 11 is the
The both ends of two support plates 1, support；Fan blade 83 in 1 downside of the second support plate, driving of the fan blade 83 in transmission component are set
Lower rotary motion, to produce electricl energy, the transmission system for wind power plant of the present embodiment is completed by transmission component
Adjustment to fan blade position.
Shown in Fig. 1, the transmission component includes the chain wheel driving mechanism and oil that can simultaneously or successively act
Cylinder transmission mechanism.Wherein, chain wheel driving mechanism includes the first sprocket wheel 31 being arranged on the first support plate 11, is arranged in the second support plate
Chain 32 is arranged, to transmit power, wherein the second sprocket wheel in the second sprocket wheel 33 on 1 between first sprocket wheel 31 and the second sprocket wheel 33
33 be duplex chain wheel；Chain wheel driving mechanism further includes the electric machine assembly 13 for driving the first sprocket wheel 31, and electric machine assembly 13 passes through
Motor, the retarder for being connected to motor output end drive the rotation of the first sprocket wheel 31, and electric machine assembly 13 is by being arranged in its lower end
Electric machine support 12 supports.Chain wheel driving mechanism further include the first pulley 34 being arranged on the second support plate 1, second pulley 35, with
The platform sling component 43 that the transmission shaft 82 of fan blade 83 connects and the steel wire rope 4 to be driven, wherein one end of steel wire rope 4 and platform sling
Component 43 is fixedly connected, and sequentially passes through first pulley 34, the second sprocket wheel 33, second pulley 35, and the end of steel wire rope with
Oil cylinder transmission mechanism is fixedly connected.
Specifically, the part that is connect with the second sprocket wheel 33 of steel wire rope 4 is chain, the second sprocket wheel 33 by with chain interoperation
And be driven, wherein chain between first pulley 34 and the second sprocket wheel 33 is the first portion of chain 41, the second sprocket wheel 33 with
Chain between second pulley 35 is the second portion of chain 42, and when promoting fan blade, portion of chain is matched with the second sprocket wheel 33 always
It closes.
As shown in fig.3, its partial structural diagram for platform sling component in Fig. 1 of the present invention；Platform sling component includes that lock is restricted
Device 431, transmission pin 432, and the cage plate 434 that is set in outside transmission pin 432, wherein steel wire rope 4 is fixed on rope Locking device 431,
Transmission pin 432 is fixed on the lower section of rope Locking device 431, is threaded in transmission pin 432, by screw 432 by transmission pin and cage plate
434 fix, correspondingly, the upper and lower part of cage plate 434 is provided with threaded connecting plate, threaded hole use is provided on connecting plate
To be threadedly coupled with transmission pin 432.The lower end of transmission pin 432 is fixed with the first driving plate 81, and first driving plate 81 connects
On the transmission shaft 82 of fan blade, to drive transmission shaft 82 to rotate, to drive fan blade to rotate to appropriate angle.
Shown in Fig. 1, oil cylinder transmission mechanism includes the first cylinder component and the second cylinder component, wherein first
Cylinder component is arranged on the second support plate 1, the end that the tail end of steel wire rope passes through traction component and the piston rod of the first oil cylinder 61
Connection, the first cylinder component drive steel wire rope to move back and forth jointly by the reciprocating motion of piston rod with chain wheel driving mechanism.By
In this present embodiment, it is transmitted using two kinds of kinds of drive, and the maximum magnitude of the first cylinder component is smaller, therefore first passes through sprocket wheel biography
Dynamic mechanism driving, then be driven by the first cylinder component, that is, first passing through chain wheel driving mechanism reaches preset position, then lead to
It crosses the first cylinder component precisely to be adjusted, so that impeller precisely and can be adjusted continuously to predeterminated position.
As shown in fig.4, its partial structural diagram for traction component in Fig. 1 of the present invention, the first oil cylinder 61 is by leading
Lead device component pulls the end of steel wire rope 4, and traction component includes the tractor 62 being connect with steel wire rope 4, is set in institute
The connector 63 in 62 outside of tractor is stated, the connector 63 is connect with the piston rod 61 of oil cylinder.In the present embodiment, tractor
62 cross sectional shape is convex shape, and in order to increase the drawing intensity of tractor 62, the wherein one side of connector 63 is open, to
Pass through for steel wire rope 4, concave slot identical with 62 shape of tractor is provided in connector 53, with for the entire of tractor 62
Side provides support force.When mounted, it is inserted into the recessed of connector 63 from the side of connector 63 (with direction opposite in diagram)
Slot, and fixed the two by welding.
With continued reference to Fig. 1, the second cylinder component is arranged below the second horizontal support plate 1, the piston rod of the second oil cylinder 85
End is fixed with the second driving plate 84, and second driving plate 84 is connected on the transmission shaft 82 of fan blade, to drive transmission shaft 82
Rotation, to drive fan blade to rotate to appropriate angle.In conjunction with shown in Fig. 5,82 both sides of transmission shaft of the fan blade of the present embodiment are set respectively
It is equipped with the first driving plate 81, the second driving plate 84, to drive transmission shaft 82 to rotate.It is provided in first driving plate 81
811 at first magnetic corresponding with the end of the transmission pin 432, to be contacted by magnetic 432 magnetic of transmission pin；Institute
State and be provided in the second driving plate 84 841 at the second magnetic corresponding with the piston rod of the second cylinder component, to by with work
The end magnetic contact of stopper rod.It is understood that for convenience of controlling, using electromagnetic component, facilitate cut-out.
In the present embodiment, in normal rotation, platform sling component, the second cylinder component do not contact fan blade with fan blade, with
Exempt from the normal rotation of influence fan blade；When controller obtains the fan blade of run-stopping status, whether detection fan blade is in best
Location status, when fan blade is not on optimum position, then chain wheel driving mechanism pulls fan blade or the second oil from clockwise direction
Cylinder component urged clockwise is pulled counterclockwise to drive fan blade to rotate.
For convenience of control, in the end set first position sensor 72 of first portion of chain 41, to the first chain
Partial end present position is detected；In the end set second position sensor 71 of the second portion of chain 42, to second
The end present position of portion of chain is detected；In the tailpiece of the piston rod of first oil cylinder 61, the third place sensor is set
73, to the position of tailpiece of the piston rod, that is, steel cord ends position is detected.The present embodiment device further includes controller, respectively
Obtain three position sensors location information, and by the information of three position sensors control respectively chain wheel driving mechanism,
Oil cylinder transmission mechanism is driven.In the present embodiment, when the end of the first portion of chain is in the first predeterminated position, meanwhile, second
When the end of portion of chain is in the second predeterminated position, controller is according to the information of two position sensors of detection, Quality Initiative
The motor stop motion of wheel drive mechanism；Meanwhile controller controls the first oil cylinder 61 action of the first cylinder component, drives steel wire
Rope pulls fan blade 83 to move, until the third place sensor detects that the end of steel wire rope is in third predeterminated position, then oil cylinder
Stop motion.Also, when the end of first portion of chain is in four predeterminated positions, then fan blade is located at sprocket wheel driver
The clockwise wherein extreme position of structure pulls fan blade to continue rotation to the 5th at this point, controller controls the action of the second oil cylinder 85
Predeterminated position, this needs the extreme clockwise position for adjusting rotation for fan blade.Similarly, if fan blade is initially located at more than up time stylus
Extreme position is then needed to first pass through the adjustment of the second oil cylinder, then is adjusted by chain wheel driving mechanism.
In order to ensure the precise degrees of position control, it is provided with comparison module in the controller, by what is detected in real time
Three location informations are compared with preset location information respectively, when in threshold range, then it is assumed that steel wire rope reaches
Preset position.
In formula, D is indicated in (t2-t1) in the time, the actual position information and preset position information of three sensors detections
Difference, d0Indicate that the preset position information at the position of corresponding three sensors detection detection, d (t) indicate to pass at two kinds
In motivation structure, the functional relation of the location information and time of the corresponding position of three position sensors detection is linear relationship；
The end position of first portion of chain, the end position of the second portion of chain, oil cylinder tailpiece of the piston rod position and the time be line
Sexual intercourse.
Meet d=at+b (2)
Wherein, d indicates that the corresponding position of three position sensors detection, t indicate the time, and a, b are constant.
When the difference of the position that three position sensors detect and predeterminated position is in threshold range, then controller selects
It selects the switching kind of drive or start and stop acts accordingly.
Meanwhile in order to ensure oil cylinder in trim process, position can be further accurately controlled, in cylinder movement process
In, the comparison module carries out calculating acquisition to the threshold value of three position sensors and predeterminated position respectively, and carries out deviation fortune
It calculates.
The comparison module according to following mean operation formula judgement first position sensor, second position sensor it is inclined
Difference P21：
In formula, P21Indicate the deviation of first position sensor, second position sensor, r1Indicate first position sensor
Real-time sampling value, r2Indicate the real-time sampling value of second position sensor；r3Indicate the real-time sampling of the third place sensor
Value；T indicates that mean square deviation operation, I indicate integral operation.
Wherein I indicates the arbitrary integral operation based on quadratic function, and above-mentioned formula is to obtain the ratio information of integral, following
Two formula are identical, are such as based on function y=ax2, it is a in (a, b) in x values<B is any number.
The rudimentary algorithm of above-mentioned mean operation is：By obtaining the positional value of all sampled points within some period,
Integral operation and mean square deviation operation are carried out to each value in some period, ratio is then taken, show that is compared is averaged
Value.
The comparison module judges the deviation of first position sensor, second position sensor according to the following equation
P31：
In formula, P31Indicate the deviation of first position sensor, the third place sensor, r1Indicate first position sensor
Real-time sampling value, r2Indicate the real-time sampling value of second position sensor；r3Indicate the real-time sampling of the third place sensor
Value；T indicates that mean square deviation operation, I indicate integral operation.
The comparison module judge according to the following equation second group of first position sensor, second position sensor it is inclined
Difference P23：
In formula, P23Indicate the deviation of second position sensor, the third place sensor, r1Indicate first position sensor
Real-time sampling value, r2Indicate the real-time sampling value of second position sensor；r3Indicate the real-time sampling of the third place sensor
Value；T indicates that mean square deviation operation, I indicate integral operation.
The P obtained by aforesaid way21、P31、P23, it is compared respectively with the deviation threshold in controller, if inclined
In poor threshold range, then oil cylinder control is accurate, if one of which data are more than deviation threshold, controller stops cylinder action,
After being spaced preset time, control cylinder acts again.
So far, it has been combined preferred embodiment shown in the drawings and describes technical scheme of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific implementation modes.Without departing from this
Under the premise of the principle of invention, art technology protection mechanism can make the relevant technologies feature equivalent change or replacement,
Technical solution after these changes or replacement is fallen within protection scope of the present invention.
Claims (4)
1. a kind of transmission system for wind power plant, which is characterized in that including the first support plate, the second support plate, first
Plate is arranged at the both ends of the second support plate, supports, and the fan blade on the downside of second support plate is arranged, fan blade is in transmission group
Rotary motion under the driving of part, to produce electricl energy；
The transmission component includes the chain wheel driving mechanism that can simultaneously or successively act and oil cylinder transmission mechanism, sprocket wheel driver
Structure includes the first sprocket wheel being arranged on the first support plate, the second sprocket wheel being arranged on the second support plate, the first sprocket wheel and the second chain
Chain is set between wheel, and the second sprocket wheel is duplex chain wheel；The chain wheel driving mechanism further includes the electricity for driving the first sprocket wheel
Thermomechanical components, electric machine assembly drive the first sprocket wheel to rotate by motor, the retarder for being connected to motor output end, and electric machine assembly passes through
Electric machine support support in its lower end is set；The chain wheel driving mechanism further include the first pulley being arranged on the second support plate,
Second pulley, the steel wire rope with the platform sling component of the transmission axis connection of fan blade and to be driven, wherein one end of steel wire rope and
Platform sling component is fixedly connected, and sequentially passes through first pulley, the second sprocket wheel, second pulley, and the end of steel wire rope and oil cylinder
Transmission mechanism is fixedly connected；The platform sling component includes rope Locking device, transmission pin, and the cage plate being set in outside transmission pin, is transmitted
The lower end of pin is fixed with the first driving plate, and first driving plate is connected on the transmission shaft of fan blade, to drive transmission shaft rotation
It is dynamic, to drive fan blade to rotate to appropriate angle；
The part that the steel wire rope is connect with the second sprocket wheel is chain, and the second sprocket wheel is driven by with chain interoperation, wherein
Chain between first pulley and the second sprocket wheel is the first portion of chain, and the chain between the second sprocket wheel and second pulley is the
Two portion of chain, when promoting fan blade, portion of chain coordinates with the second sprocket wheel always；
The oil cylinder transmission mechanism includes the first cylinder component and the second cylinder component, and first cylinder component is arranged second
On support plate, the tail end of the steel wire rope is connect by traction component with the end of the piston rod of the first oil cylinder；
Second cylinder component is arranged below the second horizontal support plate, and the tailpiece of the piston rod of the second oil cylinder and the second driving plate are solid
Fixed, second driving plate is connected on the transmission shaft of fan blade, to drive transmission shaft to rotate, to drive fan blade to rotate to appropriate
Angle；It is provided in first driving plate at the first magnetic corresponding with the end of the transmission pin, to pass through magnetism
Transmission pin magnetic contact；The second magnetic corresponding with the piston rod of the second cylinder component is provided in second driving plate
Place, to be contacted by the end magnetic with piston rod；
In the end set first position sensor of first portion of chain, to the end present position of the first portion of chain into
Row detection, in the end set second position sensor of second portion of chain, position residing for the end to the second portion of chain
It sets and is detected, the third place sensor is set in the tailpiece of the piston rod of the oil cylinder；
Further include controller, obtain the location information of three position sensors respectively, and passes through the information of three position sensors
Chain wheel driving mechanism, the transmission of oil cylinder transmission mechanism are controlled respectively, when the end of the first portion of chain is in the first predeterminated position, together
When, when the end of the second portion of chain is in the second predeterminated position, controller according to the information of two position sensors of detection,
Control the motor stop motion of chain wheel driving mechanism；Meanwhile controller controls the cylinder action of the first cylinder component, drives steel wire
Rope pulls parking plate movement, until the third place sensor detects that the end of steel wire rope is in third predeterminated position, then oil cylinder
Stop motion；When the end of first portion of chain is in four predeterminated positions, then it is suitable to be located at chain wheel driving mechanism for fan blade
A wherein extreme position for hour hands, controller control the second cylinder action, and fan blade is pulled to continue rotation to the 5th predeterminated position.
2. the transmission system according to claim 1 for wind power plant, which is characterized in that in the controller
It is provided with comparison module, detect in real time three location informations are compared with preset location information respectively, when in threshold
When being worth in range, then it is assumed that steel wire rope reaches preset position；
In formula, D is indicated in (t2-t1) in the time, the difference of the actual position information and preset position information of the detection of three sensors
Value, d0Indicate that the preset position information at the position of corresponding three sensors detection detection, d (t) are indicated in two kinds of drivers
In structure, the functional relation of the location information and time of the corresponding position of three position sensors detection is linear relationship；First
The end position of portion of chain, the end position of the second portion of chain, the first oil cylinder tailpiece of the piston rod position and the time be line
Sexual intercourse；
Meet d=at+b (2)
Wherein, d indicates that the corresponding position of three position sensors detection, t indicate the time, and a, b are constant.
3. the transmission system according to claim 2 for wind power plant, which is characterized in that the steel wire rope is fixed
On rope Locking device, transmission pin is fixed on the lower section of rope Locking device, is threaded in transmission pin, is consolidated transmission pin and cage plate by screw
It is fixed, correspondingly, the upper and lower part of cage plate is provided with threaded connecting plate, be provided on connecting plate threaded hole to transmission
Pin is threadedly coupled.
4. the transmission system according to claim 2 for wind power plant, which is characterized in that first oil cylinder is logical
It crosses traction device assembly to pull the end of steel wire rope, traction component includes the tractor connecting with steel wire rope, is set in institute
State the connector on the outside of tractor, the piston rod connection of the connector and oil cylinder；
The cross sectional shape of the tractor is convex shape, and the wherein one side of the connector is open, is passed through with for steel wire rope,
Concave slot identical with tractor shape is provided in connector, to provide support force for the entire side of tractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810073858.9A CN108278183A (en) | 2018-01-25 | 2018-01-25 | A kind of transmission system for wind power plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810073858.9A CN108278183A (en) | 2018-01-25 | 2018-01-25 | A kind of transmission system for wind power plant |
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| CN108278183A true CN108278183A (en) | 2018-07-13 |
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| CN201810073858.9A Withdrawn CN108278183A (en) | 2018-01-25 | 2018-01-25 | A kind of transmission system for wind power plant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872489A (en) * | 2018-07-17 | 2018-11-23 | 深圳天溯计量检测股份有限公司 | A kind of detector for toys |
| CN108934118A (en) * | 2018-07-17 | 2018-12-04 | 深圳天溯计量检测股份有限公司 | A kind of ion blower for eliminating electrostatic |
| CN110405689A (en) * | 2019-08-07 | 2019-11-05 | 海南红塔卷烟有限责任公司 | A kind of blower fan of cooling tower bearing replacing auxiliary device |
-
2018
- 2018-01-25 CN CN201810073858.9A patent/CN108278183A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872489A (en) * | 2018-07-17 | 2018-11-23 | 深圳天溯计量检测股份有限公司 | A kind of detector for toys |
| CN108934118A (en) * | 2018-07-17 | 2018-12-04 | 深圳天溯计量检测股份有限公司 | A kind of ion blower for eliminating electrostatic |
| CN110405689A (en) * | 2019-08-07 | 2019-11-05 | 海南红塔卷烟有限责任公司 | A kind of blower fan of cooling tower bearing replacing auxiliary device |
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Application publication date: 20180713 |