CN110185589B

CN110185589B - Aerogenerator flabellum cleaning device

Info

Publication number: CN110185589B
Application number: CN201910600430.XA
Authority: CN
Inventors: 王仁旭
Original assignee: NANJING HEHAI NANZI HYDROPOWER AUTOMATION CO Ltd
Current assignee: NANJING HEHAI NANZI HYDROPOWER AUTOMATION Co.,Ltd.
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-12-04
Anticipated expiration: 2039-07-04
Also published as: CN110185589A

Abstract

The invention provides a fan blade cleaning device of a wind driven generator, which comprises a wind driven generator set, a positioning frame, an electric sucker, a winch type rope tightener, an upper framework plate, a lower framework plate, a rotating roller, a gear pump set, fan blades, a fastening bolt buckle, a bearing rotating shaft, a hydraulic telescopic frame, a rope passing hole, a water storage tank, a first rope clamping wheel, a second rope clamping wheel, driving teeth, a chain, right-angle driving teeth, driven driving teeth, a brush head and a communicating pipeline, wherein the positioning frame is arranged on the upper framework plate; the fan blades are movably connected above the wind generating set, and the positioning frame is movably connected outside the fan blades. The locating rack is movably connected to the end portion of each fan blade, the steel wire rope is wound on the surface of the winch type rope tightener, the device depends on the rotation of the fan blades, the upper frame plate and the lower frame plate are subjected to continuous conversion of gravitational potential energy, the device is used for cleaning the fan blades as a power source in sequence, and the practicability of the device is improved.

Description

Aerogenerator flabellum cleaning device

Technical Field

The invention relates to the technical field of wind driven generators, in particular to a fan blade cleaning device of a wind driven generator.

Background

The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The wind-driven generator generally comprises components such as a wind wheel, a generator (including a device), a direction regulator (empennage), a tower frame, a speed-limiting safety mechanism, an energy storage device and the like, the working principle of the wind-driven generator is simpler, the wind wheel rotates under the action of wind force, the kinetic energy of the wind is converted into mechanical energy of a wind wheel shaft, and the generator is driven by the wind wheel shaft to rotate to generate electricity.

The windward side of the blade of the wind driven generator is the main power source of the generator, and the smoothness of the blade back is the basis for determining the rotating speed of the fan. The width of the blade back itself already creates resistance in air, which is thought to be if there were any voids, cracks and breakage. After the general fan runs for two to three years, the protective layer gel coat on the windward side is damaged to the utmost point. The blade back is unsmooth, the rotating speed of the fan is seriously influenced, the generating capacity can be reduced by about twenty percent, and in order to improve the utilization rate of wind power generation and reduce the operation cost, the fan must be regularly maintained, cleaned and preserved.

Based on the above description, and in conjunction with the prior art apparatus, it was found that, since the main flow profile is 126/110/114, etc., the corresponding blade sizes are 68m, 54m, 56 m; at present the biggest fan blade diameter has exceeded 70 meters, be equivalent to a boeing aircraft's span, the flabellum of this kind of quality and area has been very big difficulty when installing, it is too high to dismantle it and wash the cost, current washing mode is mostly aerogenerator and shuts down, then the hoist drives the staff and utilizes the high-pressure squirt to wash, waste time and energy, and clear degree is also not high, consequently this design is directed against above-mentioned problem, design a rational in infrastructure, and aerogenerator flabellum cleaning device that the functionality is good, in order to improve the practicality.

Disclosure of Invention

The invention aims to provide a blade cleaning device of a wind driven generator, which aims to solve the problems that the sizes of corresponding blades are 68m, 54m and 56m, because the main flow blade profile is 126/110/114 and the like; at present, the diameter of the largest fan blade exceeds 70 meters, which is equivalent to the wingspan of a boeing aircraft, the fan blades with the mass and the area are very difficult to install, the cleaning cost is too high after the fan blades are disassembled, the existing cleaning mode is mostly a wind driven generator to stop, then the crane drives a worker to clean by utilizing a high-pressure water gun, the time and the labor are wasted, and the cleaning degree is not high.

The purpose and the effect of the fan blade cleaning device of the wind driven generator are achieved by the following specific technical means:

a wind driven generator fan blade cleaning device comprises a wind driven generator set, a positioning frame, an electric sucker, a winch type rope tightener, an upper framework plate, a lower framework plate, a rotary roller, a gear pump set, fan blades, a fastening bolt buckle, a bearing rotary shaft, a hydraulic telescopic frame, a rope passing hole, a water storage tank, a first rope clamping wheel, a second rope clamping wheel, driving teeth, a chain, right-angle driving teeth, driven driving teeth, a brush head and a communicating pipeline; the fan blade is movably connected above the wind generating set, a positioning frame is movably connected outside the fan blade, a bearing rotating shaft is embedded in the middle of the positioning frame, a fastening bolt buckle is fixedly connected at the opening of the positioning frame, an electric sucking disc is welded on the inner surface of the positioning frame, and positioning mechanisms are respectively arranged at four corners of the positioning frame;

the positioning mechanism comprises a winch type rope tightener, a hydraulic telescopic frame and a rope passing hole, the winch type rope tightener and the hydraulic telescopic frame are fixedly connected to the outer portion of the positioning frame, the winch type rope tightener and the hydraulic telescopic frame are arranged in parallel, and the rope passing hole is embedded in the other side of the hydraulic telescopic frame;

the outside swing joint of locating rack has last framework board and lower framework board, and goes up the top that the framework board is located lower framework board, it is provided with the storage water tank to go up the embedding between the framework board, the equal fixedly connected with gear pump group in the inside both sides of storage water tank, it presss from both sides the rope sheave to be connected with first rope sheave of pressing from both sides and second through the bearing rotation between framework board and the lower framework board, first rope sheave one side integration of pressing from both sides is provided with the initiative and drives the tooth, the outside winding of initiative drive tooth is provided with the chain, the second presss from both sides the integration of rope sheave opposite side and is provided with the right angle drive tooth, the framework inboard portion rotates through the bearing and is connected with the commentaries on classics roller down, the outside integration all around of commenta.

Furthermore, first press from both sides the rope sheave and the second presss from both sides the rope sheave is two sets of, sets up respectively in the left and right sides of storage water tank, two all through the chain linkage between the driving tooth of first clamp rope sheave below and the driven tooth that drives.

Furthermore, the other side of the right-angle transmission gear extends into the water storage tank and is in transmission connection with a gear inside the gear pump set, meanwhile, the communication pipeline extends into the rotating roller, and the communication pipeline is in rotating connection with the rotating roller through a flange.

Furthermore, the rotating rollers are uniformly arranged below the lower framework plate in a straight line shape, and the brush head extends out of the opening of the rotating rollers.

Furthermore, the whole locating rack is irregular hexagon, and every locating rack outside four corners all is provided with positioning mechanism, and positioning mechanism is the symmetry and sets up.

Furthermore, each fan blade end is movably connected with a positioning frame, a steel wire rope is wound on the surface of the winch type rope tightener, and the steel wire rope penetrates through the rope passing hole to integrally connect the two positioning frames.

Furthermore, the surfaces of the first rope clamping wheel and the second rope clamping wheel are concave, and each steel wire rope penetrates through each group between the first rope clamping wheel and the second rope clamping wheel.

Furthermore, the steel wire rope is in friction contact with the first rope clamping wheel and the second rope clamping wheel, and the first rope clamping wheel and the second rope clamping wheel have good rotation performance.

Furthermore, the number of the electric suckers is a plurality, and the overall adsorption force of the electric suckers is greater than the gravity borne by the device.

Compared with the prior structure, the invention has the following beneficial effects:

1. through being equipped with first rope sheave and the second rope sheave surface of pressing from both sides and all being the concave surface form, and every wire rope passes every group between first rope sheave, the second rope sheave of pressing from both sides, hydraulic telescoping frame can the change position, and wire rope passes through the rope hole, crosses the rope hole and can provide a parallel direction for last framework board and lower framework board, and the rope tightening device of capstan winch formula then is taut with wire rope, and then makes the device slide at the flabellum along the direction, has reached the purpose of wasing the flabellum, makes the device use more convenient.

2. Through being equipped with every flabellum tip swing joint respectively having the locating rack, capstan winch formula euphroe surface winding is provided with wire rope, and this device relies on the rotation of flabellum self for go up the framework board and receive the continuous conversion of gravitational potential energy with lower framework board, make the device clear up the flabellum as the power supply in proper order, improved the device practicality.

3. Through being equipped with wire rope and first pressing from both sides the rope sheave, frictional contact between the second presss from both sides the rope sheave, and then make first pressing from both sides rope sheave and second press from both sides the rope sheave and take place to rotate under the bearing effect, at this moment, the linkage between the initiative drive tooth, it rotates to make through chain and passive drive tooth change the roller, and then clear up the flabellum, and simultaneously, the second presss from both sides inside the rope sheave rotational force transmission gear pump package, and then make the inside gear of gear pump package rotate, pressurize the UNICOM's pipeline with the washing liquid, discharge by changeing the roller opening at last, make brush head cooperation rivers to more perfect of flabellum clearance.

Drawings

FIG. 1 is a structural diagram illustrating the overall operation of the present invention;

FIG. 2 is a schematic side view of the positioning frame of the present invention;

FIG. 3 is a schematic view of a positioning mechanism according to the present invention;

FIG. 4 is a schematic view of the internal structure of the lower frame plate according to the present invention;

FIG. 5 is a schematic view of the chain drive distribution of the present invention;

FIG. 6 is a schematic view of a first rope clamping wheel according to the present invention;

FIG. 7 is a schematic view of a second rope clamping wheel according to the present invention;

FIG. 8 is a schematic cross-sectional view of a rotating roller according to the present invention;

fig. 9 is a schematic view of the gear pump set structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1-a wind generating set, 2-a locating frame, 3-an electric sucker, 4-a winch type rope tightening device, 5-an upper framework plate, 6-a lower framework plate, 7-a rotating roller, 8-a gear pump set, 101-fan blades, 201-a fastening bolt buckle, 202-a bearing rotating shaft, 203-a hydraulic telescopic frame, 2031-a rope passing hole, 501-a water storage tank, 502-a first rope clamping wheel, 503-a second rope clamping wheel, 5021-active driving teeth, 5022-a chain, 5031-right-angle driving teeth, 701-passive driving teeth, 702-a brush head and 801-a communicating pipeline.

Detailed Description

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 9:

the invention provides a fan blade cleaning device of a wind driven generator, which comprises a wind driven generator set 1, a positioning frame 2, an electric sucker 3, a winch type rope tightener 4, an upper framework plate 5, a lower framework plate 6, a rotating roller 7, a gear pump group 8, fan blades 101, a fastening bolt buckle 201, a bearing rotating shaft 202, a hydraulic telescopic frame 203, a rope passing hole 2031, a water storage tank 501, a first rope clamping wheel 502, a second rope clamping wheel 503, driving teeth 5021, a chain 5022, right-angle transmission teeth 5031, driven teeth 701, a brush head 702 and a communicating pipeline 801; the fan blade 101 is movably connected above the wind generating set 1, the positioning frame 2 is movably connected outside the fan blade 101, the bearing rotating shaft 202 is embedded in the middle of the positioning frame 2, the fastening bolt buckle 201 is fixedly connected at the opening of the positioning frame 2, the electric suction disc 3 is welded on the inner surface of the positioning frame 2, and the positioning mechanisms are respectively arranged at four corners of the positioning frame 2;

the positioning mechanism comprises a winch type rope tightener 4, a hydraulic expansion bracket 203 and a rope passing hole 2031, the winch type rope tightener 4 and the hydraulic expansion bracket 203 are fixedly connected to the outside of the positioning bracket 2, the winch type rope tightener 4 and the hydraulic expansion bracket 203 are arranged in parallel, and the rope passing hole 2031 is embedded in the other side of the hydraulic expansion bracket 203;

the outside swing joint of locating rack 2 has last framework board 5 and lower framework board 6, and go up framework board 5 and be located the top of framework board 6 down, it is provided with storage water tank 501 to go up the embedding between the framework board 5, the equal fixedly connected with gear pump package 8 in the inside both sides of storage water tank 501, it is connected with first double-layered rope sheave 502 and the second through the bearing rotation to go up between framework board 5 and the lower framework board 6 and press from both sides rope sheave 503, the integration of first double-layered rope sheave 502 one side is provided with initiative drive tooth 5021, the outside winding of initiative drive tooth 5021 is provided with chain 5022, the integration of second double-layered rope sheave 503 opposite side is provided with right angle drive tooth 5031, the inside rotation of bearing through the bearing of lower framework board 6 is connected with commentaries on classics roller 7, the outside integration all around.

As shown in the attached figures 1, 4 and 5: wherein, first pressing from both sides rope sheave 502 and second press from both sides rope sheave 503 and be two sets of, set up respectively in the left and right sides of storage water tank 501, the initiative of two first pressing from both sides rope sheave 502 below drives between tooth 5021 and the passive drive tooth 701 all through the linkage of chain 5022, receive action of gravity with lower framework board 6 when last framework board 5, from A to C department or when moving from C to A, the first pressing from both sides rope sheave 502 of every group and second press from both sides rope sheave 503 can and wire rope between take place the friction, and then make first pressing from both sides rope sheave 502 and second press from both sides rope sheave 503 and take place the rotation under the bearing effect, at this moment, the linkage between the initiative drive tooth 5021, make through chain 5022 and the passive drive tooth 701 and change roller 7 and rotate, and then clear up flabell.

As shown in the attached figures 4 and 7: the other side of the right-angle transmission gear 5031 extends into the water storage tank 501 and is in transmission connection with a gear inside the gear pump unit 8, meanwhile, the communication pipeline 801 extends into the roller 7, the communication pipeline 801 is in flange-type rotation connection with the roller 7, the right-angle transmission gear 5031 can transmit the rotating force of the second rope clamping wheel 503 into the gear pump unit 8, so that the gear inside the gear pump unit 8 rotates, the cleaning solution is pressurized into the communication pipeline 801, and finally the cleaning solution is discharged from an opening of the roller 7, so that the fan blades 101 can be cleaned more perfectly by the brush head 702 in cooperation with water flow.

As shown in fig. 7: wherein, change roller 7 and be a style of calligraphy align to grid under 6 below frame plate, and brush head 702 extends the opening part of changeing roller 7 always, changes roller 7 and can rotate, and then utilizes brush head 702 to wash the surface of flabellum 101, and simultaneously, this device relies on the rotation of flabellum 101 self for go up frame plate 5 and frame plate 6 down receive the continuous conversion of gravitational potential energy, make the device clear up flabellum 101 as the power supply in proper order, improved the device practicality.

As shown in the attached figures 2 and 3: wherein, locating rack 2 wholly is anomalous hexagon, and 2 outside four corners of every locating rack all are provided with positioning mechanism, and positioning mechanism is the symmetry and sets up, and this kind of setting more is fit for carrying out the centre gripping to flat flabellum 101, only need with locating rack 2 fix on flabellum 101 can, for current cleaning device, this kind sets up convenient laborsaving more, also more is fit for clearing up flabellum 101 more than 50M.

As shown in figure 1: wherein, every flabellum 101 tip swing joint has locating rack 2 respectively, 4 surface winding of capstan winch formula euphroe are provided with wire rope, and wire rope passes rope hole 2031 and connects two locating rack 2 monolithic, hydraulic telescoping frame 203 can change the position, and wire rope is through rope hole 2031 time, it can provide a parallel direction for last framework board 5 and lower framework board 6 to cross rope hole 2031, capstan winch formula euphroe 4 is then taut with wire rope, and then make the device slide at flabellum 101 along the direction, the mesh of wasing flabellum 101 has been reached.

As shown in figures 4, 6 and 7: the surfaces of the first rope clamping wheel 502 and the second rope clamping wheel 503 are concave, and each steel wire rope passes through the space between each group of the first rope clamping wheel 502 and the second rope clamping wheel 503, so that when the position of the fan blade 101 is changed, the upper frame plate 5 and the lower frame plate 6 are continuously converted by gravitational potential energy, and then continuously ascend and descend, and the fan blade 101 is repeatedly cleaned.

As shown in fig. 4: wherein, the steel wire rope is in frictional contact with the first rope clamping wheel 502 and the second rope clamping wheel 503, the first rope clamping wheel 502 and the second rope clamping wheel 503 both have good rotation performance, and the frictional contact between the steel wire rope and the first rope clamping wheel 502 and the second rope clamping wheel 503 ensures that the upper framework plate 5 and the lower framework plate 6 can not generate overlarge inertia impact force when falling after being subjected to potential energy conversion, thereby achieving the purpose of uniform motion and ensuring the device to be safer and more reliable when in use.

As shown in fig. 2: wherein, the quantity of electric chuck 3 is a plurality of, and the holistic adsorption affinity of electric chuck 3 is greater than the gravity that the device received, adsorbs between electric chuck 3 and the flabellum 101, provides a stress point who uses for whole device.

The specific use mode and function of the embodiment are as follows:

in the invention, firstly, the functional integrity of the device is ensured, then, the wind generating set 1 is stopped firstly, so that the positioning frames 2 are sleeved at the two ends of the fan blade 101 under the action of the fastening bolts 201 and the bearing rotating shaft 202, then the electric suction cups 3 are adsorbed with the fan blade 101, a used stress point is provided for the whole device, the preparation work is completed, the surface of the winch type rope tightener 4 is wound with a steel wire rope, the steel wire rope passes through the rope passing hole 2031 to integrally connect the two positioning frames 2, meanwhile, the steel wire rope passes through the space between each group of the first rope clamping wheel 502 and the second rope clamping wheel 503, the position of the hydraulic telescopic frame 203 is adjusted to change, so that when the steel wire rope passes through the rope passing hole 2031, the rope passing hole 2031 can provide parallel guidance for the upper framework plate 5 and the lower framework plate 6, the winch type rope tightener 4 is responsible for tightening the steel wire rope, and the wind generating, the fan blades 101 start to rotate, when the upper frame plate 5 and the lower frame plate 6 are subjected to the action of gravity, the upper frame plate 5 and the lower frame plate 6 are subjected to the action of gravitational potential energy and are continuously converted, as shown in fig. 1, when moving from a to C or from C to a, each set of the first rope clamping wheel 502 and the second rope clamping wheel 503 are subjected to friction with the steel wire rope, so that the first rope clamping wheel 502 and the second rope clamping wheel 503 are rotated under the action of bearings, at this time, the driving teeth 5021 are linked, the rotating roller 7 is rotated through the chain 5022 and the driven teeth 701, so that the fan blades 101 are cleaned, meanwhile, the communicating pipe 801 and the rotating roller 7 are connected through flange-type rotation, the right-angle transmission teeth 5031 can transmit the rotating force of the second rope clamping wheel 503 into the gear pump group 8, so that the gears in the gear pump group 8 are rotated, so as to pressurize the cleaning solution to the communicating pipe 801, and finally, the water is discharged from the opening of the rotary roller 7, so that the brush head 702 is matched with water flow to clean the fan blade 101 more perfectly, the fan blade 101 is cleaned in a reciprocating manner, and after the cleaning is finished, the wind generating set 1 is stopped, and the whole device is disassembled.

In summary, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments or equivalent substitutions for some technical features, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A fan blade cleaning device of a wind driven generator comprises a wind generating set (1); the method is characterized in that: the fan blade (101) is movably connected above the wind generating set (1), the positioning frame (2) is movably connected outside the fan blade (101), the bearing rotating shaft (202) is embedded in the middle of the positioning frame (2), the fastening bolt buckle (201) is fixedly connected at the opening of the positioning frame (2), the electric suction disc (3) is welded on the inner surface of the positioning frame (2), and the positioning mechanisms are respectively arranged at four corners of the positioning frame (2);

the positioning mechanism comprises a winch type rope tightener (4), a hydraulic telescopic frame (203) and a rope passing hole (2031);

an upper framework plate (5) and a lower framework plate (6) are movably connected to the outer portion of the positioning frame (2), the upper framework plate (5) is located above the lower framework plate (6), a water storage tank (501) is embedded between the upper framework plates (5), gear pump sets (8) are fixedly connected to two sides of the inner portion of the water storage tank (501), a first rope clamping wheel (502) and a second rope clamping wheel (503) are rotatably connected between the upper framework plate (5) and the lower framework plate (6) through bearings, driving teeth (5021) are integrally arranged on one side of the first rope clamping wheel (502), a chain (5022) is wound on the outer portion of the driving teeth (5021), and right-angle driving teeth (5031) are integrally arranged on the other side of the second rope clamping wheel (503);

the interior of the lower framework plate (6) is rotatably connected with a rotating roller (7) through a bearing, the periphery of the exterior of the rotating roller (7) is integrally provided with driven driving teeth (701), and the interior of the rotating roller (7) is fixedly connected with a brush head (702);

the end part of each fan blade (101) is movably connected with a positioning frame (2), a steel wire rope is wound on the surface of the winch type rope tightener (4), and the steel wire rope penetrates through the rope passing hole (2031) to integrally connect the two positioning frames (2).

2. The wind turbine blade cleaning apparatus of claim 1, wherein: the first rope clamping wheels (502) and the second rope clamping wheels (503) are two groups and are respectively arranged at the left side and the right side of the water storage tank (501), and the driving teeth (5021) and the driven teeth (701) below the two first rope clamping wheels (502) are linked through chains (5022).

3. The wind turbine blade cleaning apparatus of claim 1, wherein: the other side of the right-angle transmission gear (5031) extends into the water storage tank (501) and is in transmission connection with a gear in the gear pump group (8), meanwhile, the communicating pipeline (801) extends into the roller (7), and the communicating pipeline (801) is in flange-type rotation connection with the roller (7).

4. The wind turbine blade cleaning apparatus of claim 1, wherein: the rotating rollers (7) are uniformly arranged below the lower frame plate (6) in a straight line shape, and the brush head (702) extends out of the opening of the rotating rollers (7).

5. The wind turbine blade cleaning apparatus of claim 1, wherein: the positioning frames (2) are irregular hexagons integrally, and positioning mechanisms are arranged at four outer corners of each positioning frame (2) and are symmetrically arranged.

6. The wind turbine blade cleaning apparatus of claim 1, wherein: the surfaces of the first rope clamping wheel (502) and the second rope clamping wheel (503) are concave, and each steel wire rope passes through the space between each group of the first rope clamping wheel (502) and the second rope clamping wheel (503).

7. The wind turbine blade cleaning apparatus of claim 1, wherein: the steel wire rope is in friction contact with the first rope clamping wheel (502) and the second rope clamping wheel (503), and the first rope clamping wheel (502) and the second rope clamping wheel (503) have good rotation performance.

8. The wind turbine blade cleaning apparatus of claim 1, wherein: the number of the electric suckers (3) is a plurality, and the overall adsorption force of the electric suckers (3) is larger than the gravity borne by the device.