CN117052614A - Wind turbine generator operation maintenance equipment and working method - Google Patents
Wind turbine generator operation maintenance equipment and working method Download PDFInfo
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- CN117052614A CN117052614A CN202311319275.7A CN202311319275A CN117052614A CN 117052614 A CN117052614 A CN 117052614A CN 202311319275 A CN202311319275 A CN 202311319275A CN 117052614 A CN117052614 A CN 117052614A
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- wind turbine
- flexible cleaning
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- 238000012423 maintenance Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 64
- 238000010438 heat treatment Methods 0.000 claims description 30
- 230000009471 action Effects 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 3
- 239000003302 ferromagnetic material Substances 0.000 claims description 3
- 230000008719 thickening Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/50—Maintenance or repair
- F03D80/55—Cleaning
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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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/40—Ice detection; De-icing means
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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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/60—Cooling or heating of wind motors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cleaning In General (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses operation maintenance equipment and a working method of a wind turbine, which relate to the technical field of wind turbine maintenance and comprise the following steps: a machine bar; the machine head is fixedly arranged on the machine rod; the blades are uniformly arranged on the rotating shaft of the machine head; the fixed plate is fixedly arranged on the machine rod through a first fixer; the vertical groove is vertically communicated with and arranged on the fixed plate; two movable cabinets that are parallel to each other, the activity sets up from top to bottom in erecting the inslot, two the cabinet chamber has all been seted up to the relative one side of movable cabinet, two the intracavity of cabinet all is provided with flexible cleaning plate, and flexible cleaning plate protrusion is in the cabinet chamber. This wind turbine generator system operation maintenance equipment when needs are clean the blade, makes two movable cabinets relative to the fixed plate upwards remove can, and two movable cabinets rise the back, can pass through between two movable cabinets when the blade is rotatory to can wipe surface filth by two flexible cleaning plates that set up relatively, accomplish the cleanness of blade, keep the cleanness on blade surface.
Description
Technical Field
The invention relates to the technical field of wind turbine generator set maintenance, in particular to wind turbine generator set operation maintenance equipment and a working method.
Background
The wind driven generator is a heat energy utilization generator which takes the sun as a heat source and takes the atmosphere as a working medium, and can supply energy for various devices in daily use, so that the load of a power grid is greatly reduced. The rotating blades of the wind driven generator play a vital role in the power generation process of the equipment, but along with the long-term operation of the equipment, the surfaces of the blades inevitably absorb a large amount of dust and dirt, the dust and dirt can reduce the attack angle of wind on the blades to influence the generated energy, and the dirt is not uniformly distributed on the blades, so that the aerodynamic unbalance and the mass unbalance of the blades can be caused;
in addition, in places with low temperature, high humidity and high altitude, the blades of the wind driven generator are easy to freeze, the overload and unbalanced load of the blades can be caused after the blades are frozen, the running efficiency of the fan is affected, the original wing profile of the blades can be changed when the blades continue to run in a frozen state, the aerodynamic performance of the blades is deteriorated, and the wind energy capturing capacity of the blades is rapidly reduced;
to solve the above problems, chinese patent publication No.: the invention patent of CN110397559B provides a long service life's aerogenerator with safeguard function, including generator, support column, installation bearing, fin and three blade, still include clean mechanism and protection machanism, protection machanism includes holding ring, protection network, two at least bracing pieces and two at least buffer units, clean mechanism includes bar hole, water pipe, rotation sleeve pipe, water tank, water pump, two at least transfer lines, two at least water delivery holes and two at least nozzles, buffer units includes holding sleeve pipe, slide bar and spring, can block debris through protection machanism in this long service life's aerogenerator with safeguard function, has reduced debris striking blade's probability, has reduced aerogenerator and has taken place the probability of damage, can clean the blade through clean machanism, has slowed down the speed that the blade is corroded, has prolonged aerogenerator's life.
In the above-mentioned wind-driven generator, through the setting of mechanism such as clean mechanism, protection machanism, buffer unit, although can clean wind-driven generator's blade, slow down the speed that the blade was corroded, nevertheless in practical application we found that it still has certain shortcoming, like:
the protection and cleaning mechanism of the wind driven generator has great influence on the blades of the wind driven generator, not only can shield the blades, but also can cause great influence on the whole wind driven generator; in addition, the protection and cleaning mechanism does not have a deicing function, and deicing cannot be performed when the blade is frozen.
Based on the above, the operation maintenance equipment and the working method of the wind turbine generator are provided.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the running maintenance equipment and the working method of the wind turbine, which have the advantages of simple structure, small influence on the blades and capability of effectively decontaminating and deicing.
(II) technical scheme
In order to achieve the purposes of simple structure, small influence on the blades and effective decontamination and deicing, the invention provides the following technical scheme: wind turbine generator system operation maintenance equipment includes:
a machine bar;
the machine head is fixedly arranged on the machine rod;
the blades are uniformly arranged on the rotating shaft of the machine head;
the fixed plate is fixedly arranged on the machine rod through a first fixer;
the vertical groove is vertically communicated with and arranged on the fixed plate;
two parallel moving cabinets are arranged in the vertical groove in an up-and-down movable way;
two the cabinet chamber has all been seted up to two the relative one side of movable cabinet, two all be provided with flexible cleaning board in the cabinet chamber, flexible cleaning board protrusion in the cabinet chamber, and when rotating, follow two the blade on the axis of rotation passes through between the movable cabinet.
As a preferable technical scheme of the invention, the first fixer consists of a first cutting sleeve and a second cutting sleeve, the first cutting sleeve is connected with the second cutting sleeve through a bolt, and the first cutting sleeve is cut on the machine rod;
the fixed plate is fixedly arranged on the outer wall of the first clamping sleeve.
As a preferred technical scheme of the invention, the flexible cleaning plate is cleaning cotton;
the edges of the flexible cleaning plates protruding out of the cabinet cavity are smooth cambered surfaces.
As a preferable technical scheme of the invention, the bottoms of the two movable cabinets are fixedly connected through the connecting plate, and the left end and the right end of the connecting plate are protruded out of the movable cabinet;
and a top limiting block is fixedly arranged on one side of the top of the movable cabinet, which is opposite to the top of the movable cabinet.
As a preferable technical scheme of the invention, one side of the two movable cabinets, which are opposite, is meshed with the driving wheels, the two driving wheels are respectively and rotatably arranged in the two wheel grooves, the two wheel grooves are respectively arranged on the inner walls of the left side and the right side of the vertical groove, and the two driving wheels synchronously and reversely rotate.
As a preferable technical scheme of the invention, driving shafts are fixedly arranged at the centers of the two driving wheels, the tail ends of the two driving shafts extend to the outside of the fixed plate and are fixedly connected with driven wheels, and the two driven wheels are connected through two driving wheels;
one of them action wheel fixed mounting is at driving motor's output shaft end, driving motor fixed mounting is on the oversheath, oversheath fixed mounting is on the fixed plate for cover and establish from driving wheel and action wheel.
As a preferable technical scheme of the invention, the connecting plate is provided with a cabinet groove for the flexible cleaning plate to pass out, and the bottom end of the flexible cleaning plate extends from the cabinet groove to the outside of the movable cabinet.
As a preferable technical scheme of the invention, the cabinet cavity is vertically provided with a heating pipe, and the heating pipe is positioned at the inner side of the cabinet cavity.
As a preferable technical scheme of the invention, the inner side wall of the cabinet cavity is fixedly provided with the heat energy reflecting cover.
As a preferable technical scheme of the invention, the bottom end of the flexible cleaning plate extends from the cabinet groove to the outside of the movable cabinet and is fixedly connected with the transverse plate, and the transverse plate is made of ferromagnetic materials;
the machine further comprises a bottom plate, wherein the bottom plate is positioned below the fixed plate and fixedly installed on the machine rod through a second fixer, and an electromagnet corresponding to the position of the transverse plate is fixedly installed on the bottom plate.
As a preferable technical scheme of the invention, the second fixer consists of a third cutting sleeve and a fourth cutting sleeve, the third cutting sleeve and the fourth cutting sleeve are connected through bolts and are cut on the machine rod;
the bottom plate is fixedly arranged on the outer wall of the third clamping sleeve.
As a preferable technical scheme of the invention, a vertical plate is fixedly arranged at the top of the transverse plate, the vertical plate is movably inserted into a plate groove, and the plate groove is formed at the bottom of the connecting plate;
the vertical plate is fixedly provided with a first lug, and the inner side wall of the plate groove is fixedly provided with a second lug.
As a preferred technical solution of the invention, the connecting plate is positioned at a section of thickening between two cabinet grooves, and is used for contacting with the tail ends of the blades when the movable cabinet is at the highest position;
the connecting plate is made of conductive materials and is connected with the machine rod through a lead.
The working method of the wind turbine generator operation maintenance equipment comprises the following steps:
s1, connecting plates at the bottoms of two movable cabinets are positioned on a bottom plate, maintenance equipment is in a ready state, and maintenance is not performed at the moment;
s2, when the blades are required to be cleaned, the two movable cabinets are enabled to move upwards relative to the fixed plate, after the two movable cabinets are lifted, the blades pass through the space between the two movable cabinets when rotating, and surface dirt can be wiped off by the two flexible cleaning plates, so that cleaning is completed;
s3, when deicing is needed to be carried out on the blade, controlling the electromagnet to be electrified, then enabling the two movable cabinets to move upwards relative to the fixed plate, and finally controlling the heating pipe to be electrified;
the electromagnet is electrified to adsorb the transverse plate, the position of the flexible cleaning plate is fixed, after the position of the flexible cleaning plate is fixed, the two movable cabinets are lifted again, the movable cabinets can not move together with the flexible cleaning plate, at the moment, the heating pipe is exposed due to the fact that the flexible cleaning plate is not arranged in the cabinet cavity, the heating pipe is electrified to heat, and when the blade rotates to pass through between the two movable cabinets, deicing can be carried out on the blade through the heating pipe which heats.
(III) beneficial effects
Compared with the prior art, the invention provides the wind turbine running maintenance equipment and the working method, which have the following beneficial effects:
1. this wind turbine generator system operation maintenance equipment when needs are clean the blade, makes two movable cabinets relative to the fixed plate upwards remove can, and two movable cabinets rise the back, can pass through between two movable cabinets when the blade is rotatory to can wipe surface filth by two flexible cleaning plates that set up relatively, accomplish the cleanness of blade, keep the cleanness on blade surface.
2. This wind turbine generator system operation maintenance equipment, when need deicing to the blade, control the electro-magnet circular telegram earlier, then make two movable cabinets relative to fixed plate upwards move, finally control the heating pipe circular telegram can, the electro-magnet circular telegram can adsorb the diaphragm, and then fix the position of flexible cleaning board, flexible cleaning board position is fixed back, two movable cabinets rise again, just can not bring flexible cleaning board together to remove, the cabinet intracavity does not have flexible cleaning board and can expose the heating pipe this moment, the heating pipe circular telegram generates heat, when the blade rotation passes through between two movable cabinets, can deicing it through the heating pipe that generates heat.
3. The wind turbine running maintenance equipment is simple in overall structure, does not have any shielding and influence on the blades when the maintenance equipment is in a non-working state, and can control the two movable cabinets to rise when the blades are required to be maintained, so that the blades can be effectively decontaminated and deiced, and the operation is simple and convenient.
Drawings
FIG. 1 is a schematic view of the present invention in an unused state;
FIG. 2 is a schematic view of the present invention in use;
FIG. 3 is an enlarged schematic view of a mobile cabinet portion of the present invention;
FIG. 4 is a cross-sectional view of a mobile cabinet portion of the invention;
FIG. 5 is an enlarged schematic view of the invention at A in FIG. 4;
FIG. 6 is a cross-sectional view of a portion of a mounting plate of the present invention;
FIG. 7 is an enlarged schematic view of a portion of the flexible cleaning sheet of the present invention;
FIG. 8 is a rear view of a portion of the mounting plate of the present invention;
FIG. 9 is an enlarged schematic view of a floor portion of the present invention;
FIG. 10 is a schematic view of the blade of the present invention mated with a mobile cabinet.
In the figure: 1. a machine bar; 2. a machine head; 3. a blade; 4. a fixing plate; 5. a first holder; 501. a first ferrule; 502. a second ferrule; 6. a bottom plate; 7. a second holder; 701. a third ferrule; 702. a fourth ferrule; 8. a vertical groove; 9. a moving cabinet; 10. a connecting plate; 11. a cabinet cavity; 12. a flexible cleaning plate; 13. a top limit block; 14. a driving wheel; 15. a drive shaft; 16. wheel grooves; 17. driven wheel; 18. a driving wheel; 19. an outer sheath; 20. a driving motor; 21. heating pipes; 22. a thermal energy reflection cover; 23. a cross plate; 24. a riser; 25. a first bump; 26. a plate groove; 27. a second bump; 28. an electromagnet; 29. a lead wire; 30. a cabinet groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1-4, 6 and 8, a wind turbine running maintenance device comprises a machine rod 1, a machine head 2 is fixedly arranged on the machine rod 1, and blades 3 are uniformly arranged on a rotating shaft of the machine head 2;
as shown in fig. 1, a fixing plate 4 is provided, the fixing plate 4 is fixedly installed on the machine rod 1 through a first fixing device 5, specifically, the first fixing device 5 is composed of a first clamping sleeve 501 and a second clamping sleeve 502, the first clamping sleeve 501 and the second clamping sleeve 502 are connected through bolts and clamped on the machine rod 1, and the fixing plate 4 is fixedly installed on the outer wall of the first clamping sleeve 501;
in this embodiment, the diameter of the machine shaft 1 gradually increases from top to bottom, and the shape of the inner walls of the first ferrule 501 and the second ferrule 502 are coupled with the shape of the machine shaft 1, so that the fixing effect of the first ferrule 501 and the second ferrule 502 on the machine shaft 1 can be further improved.
As shown in fig. 3 and 4, a vertical groove 8 is vertically formed in the fixed plate 4 in a penetrating manner, two movable cabinets 9 are movably arranged in the vertical groove 8 up and down, the two movable cabinets 9 are arranged left and right and are parallel to each other, cabinet cavities 11 are formed in opposite sides of the two movable cabinets 9, flexible cleaning plates 12 are arranged in the two cabinet cavities 11, the flexible cleaning plates 12 protrude out of the cabinet cavities 11, and when the two movable cabinets 9 extend out of the fixed plate 4 relatively, blades 3 on a rotating shaft pass through between the two movable cabinets 9 when rotating;
when the blade 3 needs to be cleaned, the two movable cabinets 9 can be moved upwards relative to the fixed plate 4, after the two movable cabinets 9 are lifted, the blade 3 can pass through between the two movable cabinets 9 when rotating, so that surface dirt can be wiped off by the two oppositely arranged flexible cleaning plates 12, the cleaning of the blade 3 is completed, and the surface of the blade 3 is kept clean.
In this embodiment, the flexible cleaning plate 12 is cleaning cotton, and the edge of the part of the flexible cleaning plate 12 protruding from the cabinet cavity 11 is a smooth cambered surface, and since the flexible cleaning plate 12 is flexible, the flexible cleaning plate 12 can automatically adapt to the irregularly-shaped blade 3, so that the surface of the blade can be effectively wiped, and meanwhile, the rotation of the blade cannot be blocked, and the edge is set to be a smooth cambered surface, so that the blade 3 can enter between the two flexible cleaning plates 12 conveniently.
As shown in fig. 4, the bottoms of the two moving cabinets 9 are fixedly connected through a connecting plate 10, both ends of the connecting plate 10 protrude from the moving cabinets 9, in addition, a top limiting block 13 is fixedly installed on one side of the tops of the two moving cabinets 9, through the connecting plate 10, the two moving cabinets 9 can be connected, meanwhile, the highest moving positions of the two moving cabinets 9 can be limited, and through the top limiting block 13, the lowest moving positions of the two moving cabinets 9 can be limited.
In this embodiment, two opposite sides of the two moving cabinets 9 are respectively engaged with a driving wheel 14, the two driving wheels 14 are respectively rotatably arranged in two wheel grooves 16, the two wheel grooves 16 are respectively arranged on the inner walls of the left side and the right side of the vertical groove 8, the two driving wheels 14 synchronously rotate in opposite directions, when the two driving wheels 14 synchronously rotate in opposite directions, the two moving cabinets 9 can be driven to move downwards, otherwise, when the two driving wheels 14 synchronously rotate in opposite directions, the moving cabinets 9 can be driven to move upwards, so that the two moving cabinets 9 can be effectively driven to move upwards and downwards through the arrangement of the two driving wheels 14, and the height of the two moving cabinets 9 can be adjusted;
as shown in fig. 6 and 8, driving shafts 15 are fixedly installed at the centers of the two driving wheels 14, the tail ends of the two driving shafts 15 extend to the outside of the fixed plate 4 and are fixedly connected with driven wheels 17, the two driven wheels 17 are connected through two driving wheels 18, one driving wheel 18 is fixedly installed at the tail end of an output shaft of a driving motor 20, the driving motor 20 is fixedly installed on an outer sheath 19, and the outer sheath 19 is fixedly installed on the fixed plate 4 and is used for covering the driven wheels 17 and the driving wheels 18;
the outer sheath 19 plays a role of protecting gears, the driving motor 20 is provided with a waterproof shell, the driving motor 20 operates to drive the driving wheel 18 at the tail end of the output shaft of the driving motor to rotate, the driving wheel 18 rotates to synchronously drive the two driven wheels 17 to reversely rotate through transmission, and the two driven wheels 17 reversely rotate, so that the two driving wheels 14 can be driven to synchronously and reversely rotate to control the height of the movable cabinet 9.
Embodiment two:
referring to fig. 4, 5, 7, 9 and 10, in the first embodiment, a cabinet slot 30 for allowing the flexible cleaning board 12 to pass through is formed in the connecting board 10, the bottom end of the flexible cleaning board 12 extends from the cabinet slot 30 to the outside of the movable cabinet 9 and is fixedly connected with a transverse board 23, the transverse board 23 is made of ferromagnetic material, a bottom board 6 is further provided, the bottom board 6 is located below the fixed board 4, and is fixedly mounted on the machine pole 1 through a second fixer 7, and an electromagnet 28 corresponding to the position of the transverse board 23 is fixedly mounted on the bottom board 6;
when the electromagnet 28 is electrified, the transverse plate 23 is attracted, the movable cabinet 9 moves upwards again, and the flexible cleaning plate 12 is pulled out of the cabinet cavity 11;
therefore, in this embodiment, as shown in fig. 7, a heating pipe 21 is further vertically installed in the cabinet cavity 11, the heating pipe 21 is located inside the cabinet cavity 11, and a heat energy reflecting cover 22 is fixedly installed on the inner side wall of the cabinet cavity 11;
when the blade 3 needs to be deiced, firstly, the electromagnet 28 is controlled to be electrified, then the two movable cabinets 9 are enabled to move upwards relative to the fixed plate 4, finally, the heating pipe 21 is controlled to be electrified, the electromagnet 28 can be electrified to adsorb the transverse plate 23, then the position of the flexible cleaning plate 12 is fixed, after the position of the flexible cleaning plate 12 is fixed, the two movable cabinets 9 are lifted again, the two movable cabinets are not carried with the flexible cleaning plate 12 to move together, at the moment, the heating pipe 21 is exposed when the flexible cleaning plate 12 is not arranged in the cabinet cavity 11, the heating pipe 21 is electrified to generate heat, and when the blade 3 rotates to pass through between the two movable cabinets 9, the blade 3 can be deiced through the heating pipe 21 which generates heat;
the heat energy reflecting cover 22 plays a role in reflecting heat, can prevent heat loss of the heating pipe 21, and extremely effectively ensures the heating effect of the heating pipe 21.
In this embodiment, as shown in fig. 9, the second fixer 7 is composed of a third ferrule 701 and a fourth ferrule 702, the third ferrule 701 and the fourth ferrule 702 are connected by bolts, the third ferrule 701 and the fourth ferrule 702 are sleeved on the machine rod 1, and the bottom plate 6 is fixedly installed on the outer wall of the third ferrule 701;
the diameter of the machine rod 1 is gradually thickened from top to bottom, and the inner wall shapes of the third clamping sleeve 701 and the fourth clamping sleeve 702 are coupled with the shape of the machine rod 1, so that the fixing effect of the third clamping sleeve 701 and the fourth clamping sleeve 702 on the machine rod 1 can be further improved.
Referring to fig. 5, in the present embodiment, a vertical plate 24 is fixedly installed on the top of a transverse plate 23, the vertical plate 24 is movably inserted into a plate slot 26, the plate slot 26 is opened at the bottom of the connecting plate 10, a first protruding block 25 is fixedly arranged on the vertical plate 24, and a second protruding block 27 is fixedly installed on the inner side wall of the plate slot 26;
when the vertical plate 24 is inserted into the plate groove 26, the first protruding block 25 is limited by the second protruding block 27, and at the moment, the movable cabinet 9 can move upwards together with the flexible cleaning plate 12, so that the flexible cleaning plate 12 cannot be pulled out randomly; when the electromagnet 28 is electrified, it firmly attracts the transverse plate 23, at this time, the movable cabinet 9 moves upwards again, and the vertical plate 24 deforms and breaks away from the plate groove 26 under the guiding action of the second protruding block 27 because the position of the transverse plate 23 cannot move, so that the flexible cleaning plate 12 can be conveniently separated from the cabinet cavity 11.
Embodiment III:
referring to fig. 10, in the first embodiment or the second embodiment, a section of the connecting plate 10 between two cabinet slots 30 is thickened, and when the movable cabinet 9 is at the highest position, the thickened section can contact with the end of the blade 3, and in the second embodiment, the connecting plate 10 is made of conductive material and is connected with the machine rod 1 through a lead 29;
analyzing the main bad part of the wind turbine Lei Jipo worldwide, wherein the blade 3 has the highest proportion, so that lightning protection of the blade 3 is necessary; in the prior art, lightning protection of the blade 3 is generally realized by leading lightning energy on the blade 3 into a hub, releasing the lightning energy through equipotential connection between the hub and the machine rod 1, specifically, installing a metal material in or on the blade 3, leading the energy of the blade tip to the root, and then discharging the energy through connection between the hub and the machine rod 1;
however, the lightning protection method must be adapted to the hub, and must take the lightning protection into consideration both in terms of cost and materials and production procedures;
in the embodiment, the hub is not used as a lightning energy guiding channel any more, and the energy on the blade 3 can be directly transmitted to the machine rod 1 through the connecting plate 10 and the lead 29, so that the lightning protection point is not needed to be considered for the production link of the hub;
in the specific application, when thunder and lightning are more frequent, the wind turbine generator can be stopped, the blade 3 is positioned between the two movable cabinets 9, and the blade tip is contacted with the thickened part of the connecting plate 10.
Embodiment four:
referring to fig. 1-10, the embodiment provides a working method of a wind turbine generator operation maintenance device, which specifically includes the following steps:
the first step, the connecting plates 10 at the bottoms of the two movable cabinets 9 are positioned on the bottom plate 6, and maintenance equipment is in a ready state and is not maintained at the moment;
step two, when the blade 3 needs to be cleaned, the two movable cabinets 9 are enabled to move upwards relative to the fixed plate 4, after the two movable cabinets 9 are lifted, the blade 3 passes through between the two movable cabinets 9 when rotating, and surface dirt can be wiped off by the two flexible cleaning plates 12, so that cleaning is completed;
step three, when deicing needs to be carried out on the blade 3, firstly controlling the electromagnet 28 to be electrified, then enabling the two movable cabinets 9 to move upwards relative to the fixed plate 4, and finally controlling the heating pipe 21 to be electrified;
the electromagnet 28 is electrified to adsorb the transverse plate 23, so that the position of the flexible cleaning plate 12 is fixed, after the position of the flexible cleaning plate 12 is fixed, the two movable cabinets 9 are lifted again, the movable cabinets are not carried with the flexible cleaning plate 12 to move together, at the moment, the heating pipe 21 is exposed due to the fact that the flexible cleaning plate 12 is not arranged in the cabinet cavity 11, the heating pipe 21 is electrified to generate heat, and when the blade 3 rotates to pass through between the two movable cabinets 9, deicing can be carried out on the blade through the heated heating pipe 21.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (11)
1. Wind turbine generator system operation maintenance equipment, its characterized in that includes:
a machine bar (1);
the machine head (2) is fixedly arranged on the machine rod (1);
the blades (3) are uniformly arranged on the rotating shaft of the machine head (2);
the fixed plate (4) is fixedly arranged on the machine rod (1) through a first fixer (5);
the vertical groove (8) is vertically communicated with the fixed plate (4);
two parallel movable cabinets (9) are vertically movably arranged in the vertical groove (8);
the two opposite sides of the two movable cabinets (9) are respectively provided with a cabinet cavity (11), flexible cleaning plates (12) are respectively arranged in the two cabinet cavities (11), the flexible cleaning plates (12) protrude out of the cabinet cavities (11), and when the blades (3) on the rotating shafts rotate, the blades pass through the two movable cabinets (9);
the edges of the flexible cleaning plates (12) protruding out of the cabinet cavity (11) are smooth cambered surfaces.
2. The wind turbine operation maintenance device of claim 1, wherein: the bottoms of the two movable cabinets (9) are fixedly connected through a connecting plate (10), and the left end and the right end of the connecting plate (10) are protruded out of the movable cabinets (9);
the top limiting blocks (13) are fixedly arranged on the opposite sides of the tops of the two movable cabinets (9).
3. The wind turbine operation maintenance device of claim 2, wherein: two opposite sides of the movable cabinet (9) are respectively meshed with driving wheels (14), the two driving wheels (14) are respectively arranged in two wheel grooves (16) in a rotating mode, the two wheel grooves (16) are respectively arranged on the inner walls of the left side and the right side of the vertical groove (8), and the two driving wheels (14) synchronously rotate in the opposite directions.
4. A wind turbine operation maintenance device according to claim 3, wherein: the centers of the two driving wheels (14) are fixedly provided with driving shafts (15), the tail ends of the two driving shafts (15) extend to the outside of the fixed plate (4) and are fixedly connected with driven wheels (17), and the two driven wheels (17) are connected through two driving wheels (18);
one of them action wheel (18) fixed mounting is at the output shaft end of driving motor (20), driving motor (20) fixed mounting is on oversheath (19), oversheath (19) fixed mounting is on fixed plate (4) for cover is established from driving wheel (17) and action wheel (18).
5. The wind turbine operation maintenance device of claim 2, wherein: the connecting plate (10) is provided with a cabinet groove (30) for the flexible cleaning plate (12) to penetrate out, and the bottom end of the flexible cleaning plate (12) extends to the outside of the movable cabinet (9) from the cabinet groove (30).
6. The wind turbine operation maintenance device of claim 5, wherein: and a heating pipe (21) is vertically arranged in the cabinet cavity (11), and the heating pipe (21) is positioned at the inner side of the cabinet cavity (11).
7. The wind turbine operation maintenance device of claim 6, wherein: and a heat energy reflecting cover (22) is fixedly arranged on the inner side wall of the cabinet cavity (11).
8. The wind turbine operation maintenance device of claim 5, wherein: the bottom end of the flexible cleaning plate (12) extends to the outside of the movable cabinet (9) from the cabinet groove (30) and is fixedly connected with a transverse plate (23), and the transverse plate (23) is made of ferromagnetic materials;
the machine further comprises a bottom plate (6), wherein the bottom plate (6) is positioned below the fixed plate (4), and is fixedly arranged on the machine rod (1) through a second fixer (7), and an electromagnet (28) corresponding to the position of the transverse plate (23) is fixedly arranged on the bottom plate (6).
9. The wind turbine operation maintenance device of claim 8, wherein: a vertical plate (24) is fixedly arranged at the top of the transverse plate (23), the vertical plate (24) is movably inserted into a plate groove (26), and the plate groove (26) is formed at the bottom of the connecting plate (10);
the vertical plate (24) is fixedly provided with a first protruding block (25), and the inner side wall of the plate groove (26) is fixedly provided with a second protruding block (27).
10. The wind turbine operation maintenance device of claim 5, wherein: the connecting plate (10) is positioned at a section of thickening between the two cabinet grooves (30) and is used for being contacted with the tail ends of the blades (3) when the movable cabinet (9) is positioned at the highest position;
the connecting plate (10) is made of conductive materials and is connected with the machine rod (1) through a lead (29).
11. A method for operating a wind turbine operation and maintenance device according to any one of claims 1-10, comprising the steps of:
s1, connecting plates (10) at the bottoms of two movable cabinets (9) are positioned on a bottom plate (6), maintenance equipment is in a ready state, and maintenance is not performed at the moment;
s2, when the blade (3) needs to be cleaned, the two movable cabinets (9) are enabled to move upwards relative to the fixed plate (4), after the two movable cabinets (9) are lifted, the blade (3) passes through the space between the two movable cabinets (9) when rotating, and surface dirt can be wiped off by the two flexible cleaning plates (12), so that cleaning is completed;
s3, when deicing is needed to be carried out on the blade (3), the electromagnet (28) is controlled to be electrified, then the two movable cabinets (9) are enabled to move upwards relative to the fixed plate (4), and finally the heating pipe (21) is controlled to be electrified;
the electromagnet (28) is electrified to adsorb the transverse plate (23), the position of the flexible cleaning plate (12) is fixed, after the position of the flexible cleaning plate (12) is fixed, the two movable cabinets (9) are lifted again, the two movable cabinets can not move together with the flexible cleaning plate (12), at the moment, the heating pipe (21) can be exposed due to the fact that the flexible cleaning plate (12) is not arranged in the cabinet cavity (11), the heating pipe (21) is electrified to generate heat, and when the blade (3) rotates to pass through between the two movable cabinets (9), deicing can be carried out on the blade through the heating pipe (21) which generates heat.
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| CN202311319275.7A CN117052614B (en) | 2023-10-12 | 2023-10-12 | Wind turbine generator operation maintenance equipment and working method |
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| CN202311319275.7A CN117052614B (en) | 2023-10-12 | 2023-10-12 | Wind turbine generator operation maintenance equipment and working method |
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| CN117052614B (en) | 2024-01-19 |
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