阅读说明：本技术 一种风力发电用扇叶组 (Fan blade group for wind power generation ) 是由 张建龙 于 2021-08-20 设计创作，主要内容包括：本发明公开了一种风力发电用扇叶组,涉及新能源发电技术领域。该风力发电用扇叶组包括一个安装块和三块扇叶,三块所述扇叶呈圆周阵列状等距固定在安装块侧面,所述扇叶后侧设有掏空部分、滑槽一和滑槽二,所述滑槽一和滑槽二分别设置在扇叶后侧掏空部分两侧。该风力发电用扇叶组,在单个扇叶表面存在积雪时,该扇叶重量增加进而使得该扇叶组转动,存在积雪的扇叶会转动至最底部,部分积雪在重力和离心力的作用下直接脱离扇叶,同时推动球块和弧形连接片会在重力的作用下下降,清理机构在推动球块的作用下会对扇叶表面的积雪起到推动作用,进而使得扇叶表面的积雪被推离扇叶,以实现扇叶表面积雪的自动清理。(The invention discloses a fan blade group for wind power generation, and relates to the technical field of new energy power generation. The fan blade group for wind power generation comprises an installation block and three fan blades, wherein the fan blades are fixed on the side face of the installation block in a circumferential array shape and are equidistantly arranged, the rear side of each fan blade is provided with a hollowed part, a first sliding groove and a second sliding groove, and the first sliding groove and the second sliding groove are respectively arranged on two sides of the hollowed part on the rear side of each fan blade. This fan blade group for wind power generation, when there is snow on single flabellum surface, this flabellum weight increase and then make this fan blade group rotate, the flabellum that has snow can rotate to the bottommost, partial snow directly breaks away from the flabellum under the effect of gravity and centrifugal force, promote ball piece and arc connecting piece simultaneously and can descend under the effect of gravity, clearance mechanism can play the impetus to the snow on flabellum surface under the effect that promotes ball piece, and then make the snow on flabellum surface pushed away from the flabellum, in order to realize the automatic clearance of fan blade surface snow.)

1. The utility model provides a fan blade group for wind power generation, includes an installation piece (1) and three flabellum (2), three flabellum (2) are circumference array form equidistance and fix in installation piece (1) side, its characterized in that: flabellum (2) rear side is equipped with and draws in hollow portion, spout one (21) and spout two (22) set up respectively and draw in hollow portion both sides in flabellum (2) rear side, inside slidable mounting respectively of spout one (21) and spout two (22) has slip strip one (211) and slip strip two (221), it is fixed through arc connection piece (23) between slip strip one (211) and slip strip two (221), the direction that arc connection piece (23) are close to flabellum (2) is interior concave surface and fixed with promotion ball piece (231), flabellum (2) rear side hollow portion inside is provided with draws in clearance mechanism (3) with promotion ball piece (231) looks adaptation.

2. The fan blade assembly for wind power generation according to claim 1, wherein: clearance mechanism (3) are including elasticity arc piece (31) and clearance drive block (32), elasticity arc piece (31) one end is drawn hollow the part with flabellum (2) rear side and is fixed, and the nearest distance between the other end and spout (21) is greater than the nearest distance between promotion ball piece (231) and spout (21), one side that elasticity arc piece (31) are close to spout (21) is protruding side and fixed with clearance drive block (32) one end, clearance drive block (32) other end runs through flabellum (2) and laminates with flabellum (2), one side that clearance drive block (32) run through flabellum (2) constitutes a level and smooth arcwall face with flabellum (2) front side.

3. The fan blade assembly for wind power generation according to claim 2, wherein: the protruding side of elasticity arc piece (31) is fixed with supports magnetic stripe (4), the part that flabellum (2) rear side is located between hollowing out part and spout (21) is fixed with supports magnetic stripe two (5), it is the same with the close one side magnetic pole of supporting magnetic stripe two (5) to support magnetic stripe (4).

4. The fan blade assembly for wind power generation according to claim 1, wherein: the diameter of the two ends of the first sliding strip (211) and the second sliding strip (221) is larger than the diameter of the middle section, one end of the first sliding groove (21) and the second sliding groove (22), which is far away from the installation block (1), is fixedly provided with a buffer sleeve (6), and the inner diameter of the buffer sleeve (6) is equal to the diameter of the two ends of the first sliding strip (211) and the second sliding strip (221).

5. The fan blade assembly for wind power generation according to claim 4, wherein: the inside of the first (211) middle section of the sliding strip is hollowed, a driving steel ball (7) is arranged inside the first (211) sliding strip, one side of the driving steel ball (7) is connected with the inner wall of the first (211) sliding strip through a spring, the driving steel ball (7) is connected with one side of the spring and is attached to a matching vibrating block (8), and the matching vibrating block (8) is fixed inside the first (211) sliding strip.

6. The fan blade assembly for wind power generation according to claim 1, wherein: promote one side that arc connection piece (23) were kept away from in ball piece (231) and install arc friction disc (9) through the elastic connection strip, arc friction disc (9) are drawn empty the part with flabellum (2) rear side and are closely laminated, one side that arc friction disc (9) are close to promotion ball piece (231) is fixed with arc installation piece (91), the sunken side of arc installation piece (91) is fixed with drive gasbag (92), one side that arc installation piece (91) were kept away from in drive gasbag (92) is fixed with reaction strip (921), reaction strip (921) are located inside activity hole (93), activity hole (93) are run through and are seted up between arc friction disc (9) both sides.

Technical Field

The invention relates to the technical field of new energy power generation, in particular to a fan blade group for wind power generation.

Background

Wind power generation refers to converting kinetic energy of wind into electric energy. Wind energy is a clean and pollution-free renewable energy source and is used by people for a long time, mainly water is pumped and ground through a windmill, and people are interested in how to use wind to generate electricity.

Among the current wind power generation set, when meeting with the snowstorm weather, can pile up certain snow on the flabellum, and under comparatively chilly environment, snow easily freezes on the flabellum surface, and this will lead to the flabellum to rotate the difficult automatic dropping of in-process snow, and atress is uneven when can making the flabellum group rotate, very easily causes whole power generation set to rock, not only can exert an influence to wind power generation effect, also can exert an influence to wind power generation set's life.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a fan blade group for wind power generation, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a fan blade group for wind power generation, includes an installation piece and three flabellums, three the flabellum is circumference array form equidistance and fixes in installation piece side, the flabellum rear side is equipped with and draws in hollow part, spout one and spout two set up respectively and draw in hollow part both sides at the flabellum rear side, spout one and spout two inside slidable mounting respectively have a slip strip one and a slip strip two, it is fixed through the arc connection piece between slip strip one and the slip strip two, the direction that the arc connection piece is close to the flabellum is interior concave surface and fixed with the promotion ball piece, the flabellum rear side is drawn hollow part inside and is provided with the clearance mechanism who promotes ball piece looks adaptation.

When there is snow on single flabellum surface, this flabellum weight increase and then make this flabellum group rotate, the flabellum that has snow can rotate to the bottommost, partial snow directly breaks away from the flabellum under the effect of gravity and centrifugal force, promote ball piece and arc connecting piece simultaneously and can descend under the effect of gravity, clearance mechanism can play the pushing action to the snow on flabellum surface under the effect that promotes ball piece, and then make the snow on flabellum surface pushed away from the flabellum, in order to realize the automatic clearance of the snow on flabellum surface.

Preferably, promote the snow on flabellum surface for cooperating with the ball piece that promotes, clearance mechanism includes elasticity arc piece and clearance drive block, elasticity arc piece one end is drawn the hollow portion with the flabellum rear side and is fixed, and the nearest distance between the other end and the spout is greater than the nearest distance between the ball piece of promotion and the spout one, one side that elasticity arc piece is close to the spout one is protruding side and fixed with clearance drive block one end, the clearance drive block other end runs through the flabellum and laminates with the flabellum, the clearance drive block runs through one side of flabellum and constitutes a level and smooth arcwall face with the flabellum front side.

Preferably, in order to carry out the auxiliary stay to the elasticity arc piece, the protruding side of elasticity arc piece is fixed with supports magnetic stripe one, the part that the flabellum rear side is located between hollowing out part and spout one is fixed with supports magnetic stripe two, it is the same with the nearly one side magnetic pole of support magnetic stripe two to support magnetic stripe one.

Preferably, in order to prevent the first sliding strip and the second sliding strip from impacting the fan blades too violently, the diameters of the two ends of the first sliding strip and the second sliding strip are larger than the diameter of the middle section, buffer sleeves are fixed at the ends, far away from the mounting block, of the first sliding chute and the second sliding chute, and the inner diameters of the buffer sleeves are equal to the diameters of the two ends of the first sliding strip and the second sliding strip.

Preferably, in order to realize the vibration of flabellum with the cooperation of two supporting magnetic stripes, the inside of a section part in a sliding strip is hollowed, a inside drive steel ball that is provided with of sliding strip, drive steel ball one side is through a spring and a sliding strip wall connection, drive steel ball and spring coupling one side and the laminating of cooperation vibrating mass, the cooperation vibrating mass is fixed in a sliding strip inside.

Preferably, in order to improve the temperature of flabellum when promoting the ball piece and removing, promote one side that the arc connection piece was kept away from to the ball piece and install the arc friction disc through the elastic connection strip, the arc friction disc is drawn empty the part with the flabellum rear side and is closely laminated, one side that the arc friction disc is close to the promotion ball piece is fixed with the arc installation piece, the sunken side of arc installation piece is fixed with drive air bag, one side that drive air bag kept away from the arc installation piece is fixed with the reaction strip, the reaction strip is located the movable hole inside, the movable hole runs through and sets up between arc friction disc both sides.

(III) advantageous effects

The invention provides a fan blade group for wind power generation. The method has the following beneficial effects:

(1) this fan blade group for wind power generation, when there is snow on single flabellum surface, this flabellum weight increase and then make this fan blade group rotate, the flabellum that has snow can rotate to the bottommost, partial snow directly breaks away from the flabellum under the effect of gravity and centrifugal force, promote ball piece and arc connecting piece simultaneously and can descend under the effect of gravity, clearance mechanism can play the pushing action to the snow on flabellum surface under the effect that promotes ball piece, and then make the snow on flabellum surface pushed away from the flabellum, in order to realize the automatic clearance of fan blade surface snow.

(2) This fan blade group for wind power generation not only can play the supplementary effect that resets to the elasticity arc piece through setting up support magnetic stripe one and support magnetic stripe two, can also control the drive steel ball for the drive steel ball can remove the in-process and strike cooperation vibrating mass about the slip strip one, and then makes slip strip one and flabellum produce certain vibration, and this vibration can improve the effect that drops of snow on the flabellum, and then improves the automatic effect of clearing up of snow on the flabellum.

(3) This fan blade group for wind power generation can rub the themogenesis with the flabellum through setting up the arc friction disc for promote the ball piece and remove in-process fan blade temperature and can rise gradually, and then improve the speed that the flabellum surface area snow melts, with the automatic effect of clearing up of snow on the further improvement flabellum.

(4) According to the fan blade group for wind power generation, the volume of the driving air bag can be changed along with the change of the external temperature according to the principle of expansion with heat and contraction with cold of gas, so that the driving air bag can enable the arc-shaped friction plate to be separated from the fan blade when the temperature of the arc-shaped friction plate is too high, and the influence on the service life of the fan blade due to the too high temperature of the fan blade is prevented.

(5) This fan blade group for wind power generation, the collision between drive steel ball and the cooperation vibrating mass not only can promote snow to break away from the flabellum in the snowstorm day, can also make the flabellum vibration at flabellum rotation initial stage at every turn to shake the dust that the ditch inslot portion is difficult for breaking away from on the flabellum and fall, and then realize the self-cleaning of flabellum.

(6) This fan blade group for wind power generation can carry out certain cushioning effect to the removal of slide bar one and slide bar two through the cooperation at buffer sleeve and slide bar one, slide bar two both ends, prevents that the moving speed of slide bar one and slide bar two is too fast and leads to the flabellum to damage or slide bar one and slide bar two break away from the flabellum.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the rear side structure of a fan blade according to the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;

FIG. 4 is a plan cross-sectional view of a slider bar according to the present invention;

FIG. 5 is a schematic view of a multi-angle structure of the arc-shaped friction plate of the present invention.

In the figure: 1. mounting blocks; 2. a fan blade; 21. a first sliding chute; 211. a first sliding strip; 22. a second chute; 221. a second sliding strip; 23. an arc-shaped connecting sheet; 231. pushing the ball block; 3. a cleaning mechanism; 31. an elastic arc piece; 32. cleaning the driving block; 4. supporting the magnetic strip I; 5. a second supporting magnetic strip; 6. a buffer sleeve; 7. driving the steel ball; 8. matching with a vibrating block; 9. an arc-shaped friction plate; 91. an arc-shaped mounting piece; 92. driving the air bag; 921. a reaction strip; 93. and (4) a movable hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a fan blade group for wind power generation comprises a mounting block 1 and three fan blades 2, wherein the three fan blades 2 are circumferentially arrayed and equidistantly fixed on the side face of the mounting block 1, the rear side of each fan blade 2 is provided with a hollowed part, a first sliding groove 21 and a second sliding groove 22, the first sliding groove 21 and the second sliding groove 22 are respectively arranged on two sides of the hollowed part on the rear side of each fan blade 2, a first sliding strip 211 and a second sliding strip 221 are respectively installed inside each first sliding groove 21 and each second sliding groove 22 in a sliding mode, each first sliding strip 211 and each second sliding strip 221 are fixed through an arc-shaped connecting sheet 23, the direction of each arc-shaped connecting sheet 23, which is close to each fan blade 2, is an inner concave surface and is fixed with a pushing ball block 231, and a cleaning mechanism 3 matched with the pushing ball block 231 is arranged inside the hollowed part on the rear side of each fan blade 2;

when there is snow on single flabellum 2 surface, this 2 weight increases of flabellum and then make this flabellum group rotate, flabellum 2 that has snow can rotate to the bottommost, partial snow directly breaks away from flabellum 2 under the effect of gravity and centrifugal force, it can descend under the effect of gravity to promote ball 231 and arc connection piece 23 simultaneously, clearance mechanism 3 can play the pushing action to the snow on flabellum surface under the effect that promotes ball 231, and then make the snow on flabellum 2 surface pushed away from flabellum 2, in order to realize the automatic clearance of the snow on flabellum 2 surface.

Preferably, in this embodiment, in order to cooperate with the pushing ball block 231 to push the accumulated snow on the surface of the fan blade 2, the cleaning mechanism 3 includes an elastic arc-shaped piece 31 and a cleaning driving block 32, one end of the elastic arc-shaped piece 31 is fixed with a rear side hollow portion of the fan blade 2, a closest distance between the other end of the elastic arc-shaped piece and the sliding slot one 21 is greater than a closest distance between the pushing ball block 231 and the sliding slot one 21, one side of the elastic arc-shaped piece 31 close to the sliding slot one 21 is a convex side and is fixed with one end of the cleaning driving block 32, the other end of the cleaning driving block 32 penetrates through the fan blade 2 and is attached to the fan blade 2, and one side of the cleaning driving block 32 penetrating through the fan blade 2 and the front side of the fan blade 2 form a flat arc-shaped surface.

Preferably, in this embodiment, in order to support the elastic arc-shaped piece 31, a first supporting magnetic strip 4 is fixed on the convex side of the elastic arc-shaped piece 31, a second supporting magnetic strip 5 is fixed on the portion of the rear side of the fan blade 2 between the hollowed portion and the first sliding groove 21, and the magnetic poles of the first supporting magnetic strip 4 and the second supporting magnetic strip 5 are the same.

Preferably, in this embodiment, in order to prevent the first sliding bar 211 and the second sliding bar 221 from impacting the fan blades 2 too hard, the diameters of the two ends of the first sliding bar 211 and the second sliding bar 221 are larger than the diameter of the middle section, the buffer sleeves 6 are fixed at the ends of the first sliding groove 21 and the second sliding groove 22 far away from the mounting block 1, and the inner diameter of each buffer sleeve 6 is equal to the diameters of the two ends of the first sliding bar 211 and the second sliding bar 221.

Preferably, in this embodiment, in order to realize the vibration of flabellum 2 with supporting two 5 cooperations of magnetic stripe, the inside of the middle section part of the first 211 of slide bar is hollowed, and the inside of the first 211 of slide bar is provided with drive steel ball 7, and drive steel ball 7 one side is through spring and the inner wall connection of the first 211 of slide bar, and drive steel ball 7 and spring coupling one side and the laminating of cooperation vibrating mass 8, cooperation vibrating mass 8 is fixed inside the first 211 of slide bar.

Preferably, in this embodiment, in order to improve the temperature of fan blade 2 when pushing away ball piece 231 and removing, push away one side that ball piece 231 kept away from arc connection piece 23 and install arc friction disc 9 through the elastic connection strip, arc friction disc 9 closely laminates with the fan blade 2 rear side portion of undercutting, one side that arc friction disc 9 is close to pushing away ball piece 231 is fixed with arc mounting plate 91, the sunken side of arc mounting plate 91 is fixed with drive air bag 92, one side that drive air bag 92 kept away from arc mounting plate 91 is fixed with reaction strip 921, reaction strip 921 is located inside the movable hole 93, the movable hole 93 runs through and sets up between arc friction disc 9 both sides.

The working principle is as follows: in windless snowy weather, snow can exist on the surface of the fan blade 2 and icing can occur, because the gravity of the fan blade 2 is increased, the whole fan blade group can rotate and enable the fan blade 2 with the snow to rotate to a vertical state, in the rotating process of the fan blade 2, the arc-shaped connecting piece 23 and the pushing ball block 231 can descend under the action of gravity, the sliding strip I211 and the sliding strip II 221 respectively slide in the sliding groove I21 and the sliding groove II 22, the elastic arc-shaped piece 31 can be pushed to deform when the pushing ball block 231 is in contact with the elastic arc-shaped piece 31, the cleaning driving block 32 can move and extend out of the front side of the fan blade 2 in the deformation process of the elastic arc-shaped piece 31, the cleaning driving block 32 can push the snow on the front side of the fan blade 2 to enable the frozen snow to be separated from the surface of the fan blade 2, and after the pushing ball block 231 is separated from the elastic arc-shaped piece 31, the elastic arc-shaped piece 31 and the cleaning driving block 32 can support the magnetic stripe I4, the sliding strip II, The repulsive force of the second supporting magnetic strip 5 and the elastic arc piece 31 reset under the action of the self elastic force; in the moving process of the first sliding strip 211, the driving steel ball 7 is firstly attracted by the second supporting magnetic strip 5 and stretches the spring, when the attraction force of the second supporting magnetic strip 5 on the driving steel ball 7 is smaller than the sum of the attraction force of the second supporting magnetic strip 5 and the spring elasticity, the driving steel ball 7 automatically resets and impacts the matched vibrating block 8, the impact makes the matched vibrating block 8 and the first sliding strip 211 vibrate, and the vibration is transmitted to the fan blade 2 and then promotes the snow on the surface of the fan blade 2 to be separated; when the first sliding strip 211 and the second sliding strip 221 move towards the buffer sleeve 6 and move to the buffer sleeve 6, the end points with larger diameters of the first sliding strip 211 and the second sliding strip 221 are attached to the inner wall of the buffer sleeve 6 and move, air in the buffer sleeve 6 is compressed by the movement, and air resistance and friction force can play a buffer blocking role in descending of the first sliding strip 211 and the second sliding strip 221; in the process of pushing the ball block 231 to move, the arc-shaped friction plate 9 can be partially abraded with the rear side of the fan blade 2, according to the principle of heat generation by friction, the temperature of the fan blade 2 can rise, so as to promote snow to be separated from the fan blade 2, along with the temperature rise of the arc-shaped friction plate 9, the driving air bag 92 can expand and push the reaction strip 921 to move, when the temperatures of the arc-shaped friction plate 9 and the fan blade 2 reach a certain value, the reaction strip 921 can act on 2 and generate certain thrust to 2, the thrust can generate reverse acting force to the arc-shaped friction plate 9, so as to make the arc-shaped friction plate 9 separate from the fan blade 2, and the reaction strip 921 is separately contacted with the fan blade 2, so as to prevent the fan blade 2 from being too high in temperature and influencing the service life of the fan blade 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.