CN113074084A - Wind control over-speed prevention device for wind driven generator - Google Patents
Wind control over-speed prevention device for wind driven generator Download PDFInfo
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- CN113074084A CN113074084A CN202110406891.0A CN202110406891A CN113074084A CN 113074084 A CN113074084 A CN 113074084A CN 202110406891 A CN202110406891 A CN 202110406891A CN 113074084 A CN113074084 A CN 113074084A
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- 230000002265 prevention Effects 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 64
- 230000001360 synchronised effect Effects 0.000 claims abstract description 39
- 230000000903 blocking effect Effects 0.000 claims abstract description 12
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 210000001503 joint Anatomy 0.000 claims description 4
- 241000207965 Acanthaceae Species 0.000 description 5
- 238000010248 power generation Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0276—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling rotor speed, e.g. variable speed
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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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/04—Wind motors with rotation axis substantially parallel to the air flow entering the rotor having stationary wind-guiding means, e.g. with shrouds or channels
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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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
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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
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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
- Y02E10/728—Onshore wind turbines
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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)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a wind control over-speed prevention device for a wind driven generator, which comprises a vertical support sleeve, a connection conveying belt and a wind control speed limiting combination, wherein the connection conveying belt comprises a vertical rectangular fixed frame, a left belt roller, a right belt roller, a synchronous belt and a transmission combination. According to the invention, the linking transmission belt is arranged on the supporting upright post of the wind driven generator, the vertical synchronous belts are arranged on the linking transmission belt, the running direction of the synchronous belts is vertical to the supporting upright post, the straight belt part on the synchronous belts is parallel to the rotating plane of the blades on the wind driven generator, the blocking shafts distributed at equal intervals in the circumferential direction are arranged on the peripheral wall of the synchronous belts, the blades can drive the supporting shafts attached to the blades to rotate under the action of wind power, the synchronous belts are controlled to rotate at a low speed, when the supporting shafts are in contact with the blocking shafts, when the linear speed of the supporting shafts is greater than the running speed of the synchronous belts, the synchronous belts can apply a resistance to the movement of the supporting shafts, further.
Description
Technical Field
The invention relates to the technical field of wind driven generator speed control, in particular to a wind control over-speed prevention device for a wind driven generator.
Background
The wind driven generator is a device for converting wind energy into electric energy, mainly comprises blades, a generator, mechanical parts, electrical parts and a strut, and is mainly divided into a horizontal axis wind driven generator and a vertical axis wind driven generator according to different rotating shafts, wherein the horizontal axis wind driven generator occupies the mainstream position in the current market; the top of the strut of the generator body is in a rotating fit state, the blades are fixedly connected to the support shaft, one end of the support shaft is fixedly connected with the rotating shaft, one end of the rotating shaft extends into the generator, and the blades drive the rotating shaft to rotate under the action of wind power to realize power generation; the linear velocity of the free end of the blade is high due to the long length of the blade; when the wind power is large, the blades rotate at an excessive speed around the rotating shaft, so that the rotating inertia force is increased, and the generator is overloaded and the machine body is damaged when the wind direction is adapted; some wind driven generators with adjustable blade inclination angles exist in the market, but the vibration amplitude of the blades is large, and the safety is low.
The invention provides a wind control over-speed prevention device for a wind driven generator.
Disclosure of Invention
The invention aims to: in order to solve the problems mentioned in the background art, a wind control over-speed prevention device for a wind driven generator is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an overspeed device is prevented with wind-operated to aerogenerator, includes vertical support cover, links up transmission band and wind-operated speed limit combination, it includes vertical rectangle fixed frame, left side band roller, right side band roller, hold-in range and transmission combination to link up the transmission band, left side band roller and right side band roller rotate respectively and connect in vertical rectangle fixed frame's the both ends of controlling, left side band roller and right side band roller are vertical distribution and on same horizontal plane, left side band roller passes through the hold-in range and the connection of right band roller, the periphery wall of hold-in range is provided with the fender axle that circumference equidistant distributes, one side of vertical rectangle fixed frame just is located the fixed butt joint board that is provided with the outer wall fixed connection of one end and vertical support cover in the middle part, the fixed door type frame that is provided with of up end of butt joint board, one side of door type frame just is located the fixed L shaped plate that is provided with at, the windmill is provided with a wheel shaft and a blade plate, the L-shaped plate is provided with a positioning hole which is in running fit with the wheel shaft, the axis of the wheel shaft is horizontally distributed and is vertical to the shortest connecting line between the left belt roller and the right belt roller, the right belt roller is connected with one end of the wheel shaft through a transmission combination, and when the windmill rotates, the right belt roller rotates.
As a further description of the above technical solution:
the baffle shaft comprises a fixed shaft and a rotating roller, one end of the fixed shaft is fixedly connected with the outer wall of the synchronous belt, and one end of the rotating roller is connected with the other end of the fixed shaft.
As a further description of the above technical solution:
the transmission combination includes belt, first transmission shaft, second transmission shaft, gear train unification and gear combination two, first transmission shaft is located the synchronizing band and rotates with vertical rectangle fixed frame and is connected, and this first transmission shaft just takes the roller to connect through the belt and the right side for vertical distribution, second transmission shaft and door type frame rotate to be connected and be vertical distribution, and the bottom of this second transmission shaft is passed through the gear train unification and is connected with the top of first transmission shaft, the top of second transmission shaft is passed through gear combination two and is connected with the one end of shaft.
As a further description of the above technical solution:
the periphery wall of shaft is fixed and is provided with the connecting axle of at least three circumference evenly distributed, the one end of connecting axle is passed through the flange and can be dismantled the connection with the one end of lamina.
As a further description of the above technical solution:
the long limit that the acanthus leaf is close to the downwind direction rotates and is connected with the windward board, and this windward board is located the windward side of acanthus leaf, the fixed spliced pole that is provided with in one side relative with the acanthus leaf on the acanthus leaf, be close to the long limit of upwind direction on the acanthus leaf and seted up with spliced pole complex breach, the free end of spliced pole has closed adjusting nut soon.
As a further description of the above technical solution:
the vertical type connecting device is characterized by further comprising a limiting connecting sleeve, wherein two limiting columns which are distributed in parallel are arranged on the outer wall of the limiting connecting sleeve, a rotating sleeve is sleeved in the vertical type supporting sleeve, a guide sleeve which is matched with the two limiting columns is fixedly arranged on the outer wall of the vertical type supporting sleeve, and the axis of the guide sleeve and the axis of the vertical type supporting sleeve are distributed in parallel.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the linking transmission belt is arranged on the supporting upright post of the wind driven generator, the vertical synchronous belts are arranged on the linking transmission belt, the running direction of the synchronous belts is vertical to the supporting upright post, the straight belt part on the synchronous belts is parallel to the rotating plane of the blades on the wind driven generator, the blocking shafts distributed at equal intervals in the circumferential direction are arranged on the peripheral wall of the synchronous belts, the blades can drive the supporting shafts attached to the blades to rotate under the action of wind power, the synchronous belts are controlled to rotate at a low speed, when the supporting shafts are in contact with the blocking shafts, when the linear speed of the supporting shafts is greater than the running speed of the synchronous belts, the synchronous belts can apply a resistance to the movement of the supporting shafts, further.
2. The invention is provided with a wind-control speed-limiting combination, the wind-control speed-limiting combination is provided with a windmill, blades on the windmill and a fan generator receive airflow in the same direction, the windmill drives a synchronous belt to rotate through a transmission combination, the running speed of the synchronous belt can be reduced by changing the inclination angle of a wind plate on the windmill and combining the transmission ratio of the transmission of an internal gear of the transmission combination, when the synchronous belt is overspeed, the windmill can be actively driven to accelerate and rotate, and at the moment, the wind plate can delay the acceleration time of the windmill under the action of inertia force and wind resistance, thereby having the function of wind-control speed reduction and having the effect of energy.
3. According to the invention, the long edge of the blade plate close to the downwind direction is rotatably connected with the wind resistance plate, the wind resistance plate is positioned on the windward side of the blade plate, the connecting column is fixedly arranged on one side of the wind resistance plate opposite to the blade plate, the long edge of the blade plate close to the upwind direction is provided with a notch matched with the connecting column, and the free end of the connecting column is rotatably connected with the adjusting nut, so that when the speed of the synchronous belt is pushed to an accelerated running state by the blade, the passive rotation of the windmill is converted into active rotation, and at the moment, the wind resistance plate can be unfolded to increase the wind resistance, further the rotation speed of the windmill is reduced, and the reliability of the wind.
Drawings
FIG. 1 is a schematic structural view of the vertical support sleeve, the connecting conveyor belt, the wind-control speed-limiting combination and the limiting connection sleeve of the wind-control over-speed prevention device for the wind-driven generator according to the present invention, which are integrally matched and overlooked;
FIG. 2 is a schematic structural view of the vertical support sleeve, the connecting conveyor belt, the wind-control speed-limiting combination and the limiting connection sleeve of the wind-control over-speed prevention device for the wind-driven generator according to the present invention, viewed from the bottom;
FIG. 3 is a schematic structural view of the wind-controlled speed-limiting assembly, the connecting transmission belt and the vertical support sleeve of the wind-controlled over-speed prevention device for the wind-driven generator according to the present invention;
FIG. 4 is a schematic structural diagram of the cooperation between the blades and the wind-guard of the wind-control over-speed device for wind-driven generator according to the present invention;
fig. 5 is a schematic structural view of a partial view "a" in fig. 4 of a wind control overspeed device for a wind power generator according to the present invention.
Illustration of the drawings:
1. a vertical support sleeve; 12. rotating the sleeve; 13. a guide sleeve; 2. connecting the transmission belts; 21. a vertical rectangular fixed frame; 211. a butt plate; 2111. a gantry frame; 21111. an L-shaped plate; 211111, positioning holes; 22. a left belt roller; 23. a right belt roller; 24. a synchronous belt; 241. a blocking shaft; 2411. a fixed shaft; 2412. rotating the roller; 25. a transmission combination; 251. a belt; 252. a first drive shaft; 253. a second drive shaft; 255. the gear set is integrated; 256. a second gear combination; 3. wind control speed limit combination; 31. a windmill; 311. a wheel axle; 3111. a connecting shaft; 312. a leaf plate; 3121. a wind resistance plate; 31211. connecting columns; 312111, adjusting nuts; 3122. a notch; 4. a limiting connecting sleeve; 41. a limiting column.
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.
Example 1
Referring to fig. 1-3, a wind-control over-speed prevention device for a wind-driven generator comprises a vertical support sleeve 1, a connection transmission belt 2 and a wind-control speed-limiting assembly 3, wherein the vertical support sleeve 1 is sleeved outside a support upright post of the wind-driven generator, the connection transmission belt 2 comprises a vertical rectangular fixed frame 21 and a left belt roller 22, the belt conveyor comprises a right belt roller 23, a synchronous belt 24 and a transmission combination 25, wherein the left belt roller 22 and the right belt roller 23 are respectively and rotatably connected to the left end and the right end of a vertical rectangular fixed frame 21, the left belt roller 22 and the right belt roller 23 are vertically distributed and are arranged on the same horizontal plane, the left belt roller 22 is connected with the right belt roller 23 through the synchronous belt 24, a blocking shaft 241 which is circumferentially distributed at equal intervals is arranged on the peripheral wall of the synchronous belt 24, the blocking shaft 241 is preferably structurally characterized in that the blocking shaft 241 comprises a fixed shaft 2411 and a rotating roller 2412, one end of the fixed shaft 2411 is fixedly connected with the outer wall of the synchronous belt 24, and one end of the rotating roller 2412 is connected; a butt plate 211 with one end fixedly connected with the outer wall of the vertical support sleeve 1 is fixedly arranged at one side and the middle part of the vertical rectangular fixed frame 21, at the moment, the placing position of the synchronous belt 24 is adjusted to be in a state that the straight belt part is parallel to the rotating plane of the blades on the wind driven generator, and the outer wall of the support shaft supporting the blades on the wind driven generator and close to the free end moves to a position close to the lower part and then touches the rotating roller 2412, so that the synchronous belt 24 is indirectly pushed to rotate when the support shaft touches the rotating roller 2412, if the instantaneous linear speed of the synchronous belt 24 is controlled to be smaller than the linear speed of the contact position of the support shaft and the rotating roller 2412, the running speed of the blade plate 312 can be reduced at the moment, and the blades; the upper end face of the butt plate 211 is fixedly provided with a door-shaped frame 2111, one side of the door-shaped frame 2111 and the top thereof are fixedly provided with an L-shaped plate 21111, the wind-controlled speed-limiting combination 3 is used for limiting the running speed of the synchronous belt 24, the wind-controlled speed-limiting combination 3 is provided with a windmill 31, the windmill 31 is positioned at the lower part of an external machine body of a power generation rotating shaft on a wind driven generator, the rotation of the windmill 31 is formed into the maximum diameter controlled within the maximum rotation radius range of blades of the wind driven generator, the blades of the windmill 31 and the wind driven generator receive airflow in the same direction, when the blades rotate around the machine body, the windmill 31 also rotates, the windmill 31 is provided with a wheel shaft 311 and a vane 312, the inclination angle of the control vane 312 relative to the airflow direction is between 5 and 10 degrees, that is to say, when the wind power is larger, the rotation speed of, one end of the connecting shaft 3111 is detachably connected with one end of the vane 312 through a flange, that is, the vane 312 is mounted on the wheel shaft 311 through a flange butt bolt connection mode, the arrangement is convenient for adjusting the inclination angle of the vane 312, and when the inclination angle of the vane 312 relative to the airflow flowing direction is too large, the inclination angle can be adjusted to be small by controlling the dislocation of the respective flanges, so that the acting force of the airflow on the vane 312 can be reduced, and the rotating speed of the windmill 31 can be reduced; the L-shaped plate 21111 is provided with a positioning hole 211111 which is rotationally matched with the wheel shaft 311, the axis of the wheel shaft 311 is horizontally distributed and is vertical to the shortest connecting line between the left belt roller 22 and the right belt roller 23, the right belt roller 23 is connected with one end of the wheel shaft 311 through a transmission combination 25, when the windmill 31 rotates, the right belt roller 23 rotates, the transmission combination 25 has a specific structure that the transmission combination 25 comprises a belt 251, a first transmission shaft 252, a second transmission shaft 253, a first gear set 255 and a second gear set 256, the first transmission shaft 252 is positioned in the synchronous belt 24 and is rotationally connected with the vertical rectangular fixed frame 21, the upper and lower sides of the vertical rectangular fixed frame 21 can be provided with matching holes which are matched with the first transmission shaft 252 in a rotating way, the first driving shaft 252 is vertically distributed and connected to the right belt roller 23 by a belt 251, a belt pulley can be sleeved on the first transmission shaft 252, and then a wheel groove is formed in the outer peripheral wall of the right belt roller 23; the second transmission shaft 253 and the door-shaped frame 2111 are rotatably connected and vertically distributed, similarly, a connecting hole matched with the second transmission shaft 253 can be formed in the top of the door-shaped frame 2111, the bottom of the second transmission shaft 253 is connected with the top of the first transmission shaft 252 through a gear set unification 255, the gear set unification 255 comprises two cylindrical gears with different or same reference circle diameters, and the two gears are respectively and fixedly connected with the end parts of the first transmission shaft 252 and the second transmission shaft 253; the top of the second transmission shaft 253 is connected with one end of the wheel shaft 311 through a gear combination II 256, the gear combination II 256 comprises two bevel gears with different reference circle diameters or the same reference circle diameter, the two bevel gears are respectively and fixedly connected with the end parts of the wheel shaft 311 and the second transmission shaft 253, so that the transmission of power is realized, the instantaneous movement speed of the upper rotating roller 2412 on the synchronous belt 24 can be controlled to be smaller than the instantaneous speed of the supporting shaft on the blade by adjusting the transmission ratio, so that resistance can be provided for the accelerated rotation of the blade, the gear combination also comprises a limit connecting sleeve 4, the limit connecting sleeve 4 is used for being connected with a machine body part outside a rotating shaft of the blade of the wind driven generator, as the machine body rotates relative to the upright post of the wind driven generator, the limit connecting sleeve 4 is fixedly sleeved outside the machine body, the outer wall of the limit connecting sleeve 4 is provided with two, the vertical supporting sleeve 1 is internally sleeved with a rotating sleeve 12, the rotating sleeve 12 is fixedly sleeved on the stand column, the outer wall of the vertical supporting sleeve 1 is fixedly provided with a guide sleeve 13 matched with two limiting columns 41, the axis of the guide sleeve 13 and the axis of the vertical supporting sleeve 1 are distributed in parallel, so that when the body of the wind driven generator rotates due to the adaptive wind direction, the vertical supporting sleeve 1 is driven to rotate relative to the vertical columns through the two limiting columns 41, and then the linking transmission band 2 and the windmill 31 are correspondingly rotated to adapt to the change of the wind direction.
Example 2
Referring to fig. 4 and 5, the difference from embodiment 1 is that a wind resistance plate 3121 is rotatably connected to a long side of the louver 312 near the downwind direction, the louver 312 and the wind resistance plate 3121 are configured like a hinge, the width of the wind resistance plate 3121 is greater than the width of the louver 312, the wind resistance plate 3121 is located on the windward side of the louver 312, a connecting column 31211 is fixedly disposed on a side of the wind resistance plate 3121 opposite to the louver 312, a notch 3122 matched with the connecting column 31211 is disposed on the long side of the louver 312 near the upwind direction, an adjusting nut 312111 is screwed to a free end of the connecting column 31211, an inclination angle of the wind resistance plate 3121 relative to the airflow direction can be adjusted by a position of the adjusting nut 312111 on the connecting column 31211, so that when the speed of the timing belt 24 is pushed by the blade to an accelerated operation state, the passive rotation of the windmill 31 is changed into active rotation, at this time, the wind resistance plate 3121 is unfolded to increase the wind resistance, and further reduce, the reliability of the wind resistance to control the rotating speed of the blades is improved.
The working principle is as follows: when the wind power generator is used, when external air flow impacts blades on the wind power generator and the windmill 31, the blades rotate to drive the rotating shaft to rotate in the machine body, the blade plates 312 rotate to drive the wheel shaft 311 to rotate, the wheel shaft 311 drives the second transmission shaft 253 to rotate through the second gear combination 256, the second transmission shaft 253 drives the first transmission shaft 252 to rotate through the first gear combination 255, the first transmission shaft 252 drives the right belt roller 23 to rotate through the belt 251, the right belt roller 23 drives the synchronous belt 24 to rotate, the blocking shaft 241 on the synchronous belt 24 moves at a low speed along with the synchronous belt 24, when the supporting shaft attached to the blade plates 312 moves to the lower part and is contacted with one of the blocking shafts 241, a thrust is applied to the blocking shaft 241, the rotating speed of the blade plates 312 is slowly increased under the action of the rotating inertia resistance of the blade plates 312 and the resistance of the air flow on the leeward side, and at the moment, the, further, the operation speed of the vane 312 is reduced, and after the sub-vane 312 is disengaged from the stopper shaft 241, another adjacent vane 312 is brought into contact with the stopper shaft 241, and the speed reduction process is performed again.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The wind control over-speed prevention device for the wind driven generator is characterized by comprising a vertical support sleeve (1), a connection transmission belt (2) and a wind control speed limit combination (3), wherein the connection transmission belt (2) comprises a vertical rectangular fixed frame (21), a left belt roller (22), a right belt roller (23), a synchronous belt (24) and a transmission combination (25), the left belt roller (22) and the right belt roller (23) are respectively and rotatably connected to the left end and the right end of the vertical rectangular fixed frame (21), the left belt roller (22) and the right belt roller (23) are vertically distributed on the same horizontal plane, the left belt roller (22) is connected with the right belt roller (23) through the synchronous belt (24), a blocking shaft (241) which is circumferentially distributed at equal intervals is arranged on the peripheral wall of the synchronous belt (24), one side of the vertical rectangular fixed frame (21) is positioned on a butt joint plate (211) fixedly connected with the outer wall of the vertical support sleeve (1) and provided with one end, the upper end face of the butt joint plate (211) is fixedly provided with a door-shaped frame (2111), an L-shaped plate (21111) is fixedly arranged on one side of the door-shaped frame (2111) and positioned at the top, the wind control speed limiting combination (3) is provided with a windmill (31), the windmill (31) is provided with a wheel shaft (311) and a blade plate (312), the L-shaped plate (21111) is provided with a positioning hole (211111) which is in rotating fit with the wheel shaft (311), the axis of the wheel shaft (311) is horizontally distributed and is perpendicular to the shortest connecting line between the left belt roller (22) and the right belt roller (23), the right belt roller (23) is connected with one end of the wheel shaft (311) through a transmission combination (25), and when the windmill (31) rotates, the right belt roller (23) rotates.
2. The wind control over-speed prevention device for the wind driven generator according to claim 1, wherein the stop shaft (241) comprises a fixed shaft (2411) and a rotating roller (2412), one end of the fixed shaft (2411) is fixedly connected with the outer wall of the synchronous belt (24), and one end of the rotating roller (2412) is connected with the other end of the fixed shaft (2411).
3. The wind control overspeed device for wind power generator according to claim 1, the transmission combination (25) comprises a belt (251), a first transmission shaft (252), a second transmission shaft (253), a first gear combination (255) and a second gear combination (256), the first transmission shaft (252) is positioned in the synchronous belt (24) and is rotationally connected with the vertical rectangular fixed frame (21), the first transmission shafts (252) are vertically distributed and are connected with the right belt roller (23) through a belt (251), the second transmission shaft (253) is rotatably connected with the door-shaped frame (2111) and is vertically distributed, the bottom of the second transmission shaft (253) is connected with the top of the first transmission shaft (252) through a gear combination (255), the top of the second transmission shaft (253) is connected with one end of the wheel shaft (311) through a gear combination II (256).
4. The wind control over-speed prevention device for the wind driven generator according to claim 1, wherein at least three connecting shafts (3111) are fixedly arranged on the outer peripheral wall of the wheel shaft (311) and are uniformly distributed in the circumferential direction, and one end of each connecting shaft (3111) is detachably connected with one end of each blade plate (312) through a flange.
5. The wind control over-speed prevention device for the wind driven generator is characterized in that a wind resistance plate (3121) is rotatably connected to the long side of the blade plate (312) close to the downwind direction, the wind resistance plate (3121) is located on the windward side of the blade plate (312), a connecting column (31211) is fixedly arranged on the side, opposite to the blade plate (312), of the wind resistance plate (3121), a notch (3122) matched with the connecting column (31211) is formed in the long side of the blade plate (312) close to the upwind direction, and an adjusting nut (312111) is rotatably combined with the free end of the connecting column (31211).
6. The wind control over-speed prevention device for the wind driven generator according to claim 1, characterized by further comprising a limiting connection sleeve (4), wherein two limiting columns (41) are arranged on the outer wall of the limiting connection sleeve (4) in parallel, a rotating sleeve (12) is sleeved in the vertical support sleeve (1), a guide sleeve (13) matched with the two limiting columns (41) is fixedly arranged on the outer wall of the vertical support sleeve (1), and the axis of the guide sleeve (13) and the axis of the vertical support sleeve (1) are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110406891.0A CN113074084A (en) | 2021-04-15 | 2021-04-15 | Wind control over-speed prevention device for wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110406891.0A CN113074084A (en) | 2021-04-15 | 2021-04-15 | Wind control over-speed prevention device for wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113074084A true CN113074084A (en) | 2021-07-06 |
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ID=76617595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110406891.0A Withdrawn CN113074084A (en) | 2021-04-15 | 2021-04-15 | Wind control over-speed prevention device for wind driven generator |
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| Country | Link |
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| CN (1) | CN113074084A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113442434A (en) * | 2021-07-26 | 2021-09-28 | 武汉华科三维科技有限公司 | Powder paving transmission mechanism suitable for nylon rapid forming equipment |
-
2021
- 2021-04-15 CN CN202110406891.0A patent/CN113074084A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113442434A (en) * | 2021-07-26 | 2021-09-28 | 武汉华科三维科技有限公司 | Powder paving transmission mechanism suitable for nylon rapid forming equipment |
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Application publication date: 20210706 |
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