CN116641837A - Vertical shaft power generation equipment capable of flexibly adjusting windward angle of fan blade - Google Patents

Vertical shaft power generation equipment capable of flexibly adjusting windward angle of fan blade Download PDF

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Publication number
CN116641837A
CN116641837A CN202310761983.XA CN202310761983A CN116641837A CN 116641837 A CN116641837 A CN 116641837A CN 202310761983 A CN202310761983 A CN 202310761983A CN 116641837 A CN116641837 A CN 116641837A
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CN
China
Prior art keywords
power generation
groove
arc
vertical axis
generation equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202310761983.XA
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Chinese (zh)
Other versions
CN116641837B (en
Inventor
孙良学
董春玲
于芳励
马辉
严孝伟
谢化允
程洪旭
郭方旭
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Zaozhuang Huifeng Energy Technology Co ltd
Original Assignee
Zaozhuang Huifeng Energy Technology Co ltd
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Application filed by Zaozhuang Huifeng Energy Technology Co ltd filed Critical Zaozhuang Huifeng Energy Technology Co ltd
Priority to CN202310761983.XA priority Critical patent/CN116641837B/en
Publication of CN116641837A publication Critical patent/CN116641837A/en
Application granted granted Critical
Publication of CN116641837B publication Critical patent/CN116641837B/en
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Classifications

    • 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
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • F03D3/062—Rotors characterised by their construction elements
    • 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
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/005—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  the axis being vertical
    • 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 
    • F03D7/06—Controlling wind motors  the wind motors having rotation axis substantially perpendicular to the air flow entering the rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/50—Maintenance or repair
    • F03D80/55—Cleaning
    • 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
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00—Control
    • F05B2270/60—Control system actuates through
    • F05B2270/602—Control system actuates through electrical actuators
    • 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
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The application relates to the technical field of power generation equipment, in particular to vertical shaft power generation equipment capable of flexibly adjusting windward angles of fan blades, which comprises a base, wherein an upright post is fixedly arranged in the middle of the upper surface of the base, a supporting table is fixedly arranged at the upper end of the upright post, and a first circular groove is formed in the upper surface of the supporting table.

Description

Vertical shaft power generation equipment capable of flexibly adjusting windward angle of fan blade
Technical Field
The application relates to the technical field of power generation equipment, in particular to vertical axis power generation equipment capable of flexibly adjusting windward angles of fan blades.
Background
Vertical axis wind power plants are classified into a drag type and a lift type. The resistance type vertical axis wind power generation equipment mainly uses resistance generated by air flowing through the blades as driving force, and the lift type is used by lift generated by air flowing through the blades as driving force. Since the resistance force is drastically reduced with the increase of the rotation speed of the blades during the rotation, but the lift force is rather increased, the efficiency of the lift-type vertical axis wind power generation equipment is much higher than that of the resistance force type. The fan blades and the rotary table in the conventional vertical axis wind power generation equipment are integrally designed and cannot move, so that the windward angle of the fan blades is not convenient to flexibly adjust according to the actual wind direction, the utilization efficiency of wind energy of the conventional vertical axis wind power generation equipment is low, and the effective utilization of clean energy is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides the vertical axis power generation equipment capable of flexibly adjusting the windward angle of the fan blade, and solves the problems that the fan blade and the turntable in the conventional vertical axis wind power generation equipment are of an integral design, cannot move, are inconvenient to flexibly adjust the windward angle of the fan blade according to the actual wind direction, have low utilization efficiency of wind energy and influence on the effective utilization of clean energy.
In order to achieve the above purpose, the technical scheme adopted by the application is as follows:
the vertical shaft power generation device capable of flexibly adjusting windward angles of fan blades comprises a base, wherein an upright post is fixedly arranged in the middle of the upper surface of the base, a supporting table is fixedly arranged at the upper end of the upright post, a first circular groove is formed in the upper surface of the supporting table, a rotary table is rotatably arranged in the first circular groove through a bearing, and a rotor is sleeved on the rotary table body;
a stator is fixedly arranged in the first circular groove, an electric storage box is arranged at the bottom of the first circular groove, and the stator is electrically connected with the electric storage box;
the turntable body is fixedly provided with a plurality of brackets, a fixed table is fixedly arranged on one side of the upper surface of each bracket far away from the turntable, a rotating shaft is movably arranged on the upper surface of each fixed table, and a fan blade is fixedly arranged at the upper end of each rotating shaft;
the second circular groove is formed in the upper surface of the rotary table, and an adjusting component for adjusting the windward angle of the fan blade is arranged in the second circular groove.
Preferably, each rotating shaft is rotatably installed in the middle of the upper surface of the corresponding fixed table;
every arc wall has all been seted up to the fixed station upper surface, every the equal fixed mounting of pivot shaft body has the arc ejector pad, every the arc ejector pad slides respectively and sets up in the arc wall that corresponds, every be provided with first spring in the arc wall, every first spring one end and corresponding arc wall one side fixed connection, every first spring inner wall opposite side and corresponding arc ejector pad fixed connection.
Preferably, the adjusting component comprises a first motor, a rotating rod is fixedly arranged at the output shaft end of the first motor, one side, far away from the first motor, of the shaft body of the rotating rod extends to the outside of the second circular groove and is sleeved with a winch, and a traction structure is arranged between the winch and each fan blade.
Preferably, the traction structure comprises two fixing frames, one fixing frame is fixedly connected with the fan blade, the other fixing frame is fixedly connected with the winch, the adjacent fixing frames are arranged from high to low, a rotating roller is rotatably arranged between two sides of the inner wall of the fixing frame, and a traction rope is arranged between the two rotating rollers.
Preferably, each roller body surface of the roller is provided with a jack, each traction rope is fixedly provided with a clamp at both ends, each clamp is fixedly provided with an inserting rod at one side opposite to the two clamping plates, and each inserting rod is in penetrating fit with the corresponding jack.
Preferably, the traction rope comprises a first steel wire rope portion and two second steel wire rope portions, and one ends, far away from each other, of the two second steel wire rope portions are fixedly connected with corresponding clamps respectively;
the two opposite ends of the second steel wire rope sections are fixedly provided with first round blocks, the opposite sides of the two first round blocks are rotatably provided with connecting shafts through connecting frames, the surfaces of the lower ends of the connecting shafts are provided with threaded holes, and limit bolts are arranged in the threaded holes in a threaded mode;
the two ends of the first steel wire rope portion are fixedly provided with second round blocks, one ends, far away from each other, of the second round blocks are fixedly provided with swivel rings, and the two swivel rings are respectively and rotatably arranged on corresponding connecting shaft bodies.
Preferably, a connecting groove is formed in one side of the upper surface of each arc-shaped pushing block, a connecting block is slidably arranged in each connecting groove, and a limit column is fixedly arranged on the upper surface of each connecting block;
a supporting plate is fixedly arranged on the other side of the upper surface of each arc-shaped pushing block, a supporting groove is formed in the surface of one side, close to the corresponding limiting column, of each supporting plate, a supporting block is slidably arranged in each supporting groove, a transverse plate is fixedly arranged on one side of each supporting block, limiting holes are formed in the lower surface of each transverse plate, and each limiting column is matched with the corresponding limiting Kong Chuancha;
a supporting rod is fixedly arranged between two sides of the inner wall of each supporting groove, each supporting block is respectively arranged on one side of a corresponding supporting rod body in a sliding manner, and a second spring is sleeved on the other side of each supporting rod body;
the upper surface of each arc-shaped pushing block is provided with an avoidance hole in a penetrating way, the lower surface of each transverse plate is fixedly provided with an inserting column, and each inserting column is arranged in the corresponding avoidance hole in a sliding way;
and one side of the inner bottom surface of each arc-shaped groove is provided with a positioning hole in a penetrating way.
Preferably, one side, far away from the arc-shaped pushing block, of each rotating shaft body is sleeved with a rotating plate, a sliding rod is fixedly mounted on one side of the upper surface of each rotating plate, and a scraping plate is slidably arranged on one side of each sliding rod body.
Preferably, the other side of the upper surface of each rotating plate is rotatably provided with a reciprocating screw rod, and each scraping plate is respectively arranged on one side of a corresponding reciprocating screw rod body in a threaded manner;
the lower end of each reciprocating screw rod respectively penetrates through the corresponding rotating plate and is fixedly provided with a gear;
and one side, close to the corresponding gear, of the upper surface of each fixed table is fixedly provided with a tooth arc, and each tooth arc is meshed with the corresponding gear respectively.
Preferably, a second connecting hole is formed in the inner bottom surface of the second circular groove in a penetrating manner, a first connecting hole is formed in the inner bottom surface of the first circular groove in a penetrating manner, the lower end of the first connecting hole extends into the upright post, a conducting rod is fixedly installed in the second connecting hole through a limiting sleeve, the upper end of the conducting rod is electrically connected with the first motor, and a socket is fixedly installed at the lower end of the conducting rod;
the inner wall of the first connecting hole is provided with a avoidance groove in a penetrating manner, the surface of one side of the inner wall of the avoidance groove is provided with a mounting groove, a mounting block is arranged in the mounting groove in a sliding manner, and a plug is fixedly arranged on one side of the mounting block through a right-angle frame;
the second motor is fixedly arranged at the bottom in the mounting groove, a screw rod is fixedly arranged at the output shaft end of the second motor, the upper end of the screw rod is rotatably arranged at the top in the mounting groove, and the mounting block is arranged on one side of the screw rod body in a threaded manner.
Compared with the prior art, the application has the following beneficial effects:
1. the staff drives the bull stick and the capstan winch rotates through starting first motor, makes its output, and pivoted capstan winch pulls the haulage rope for haulage rope one end is to the fan blade pulling, thereby makes the fan blade rotate as the benchmark, and first spring atress compression makes the windward angle of fan blade can be adjusted in a flexible way by the staff, and then the staff of being convenient for carries out nimble adjustment to the windward angle of fan blade according to actual wind direction, compares with traditional vertical axis wind power generation equipment, greatly increased the utilization efficiency low to the wind energy, effectively utilized clean energy.
2. When needing to change the haulage rope, the staff only need keep away from each other through two splint in the control anchor clamps and remove for the inserted bar breaks away from the jack, later with new haulage rope back of changing, two splint relative movement of its both ends anchor clamps of control make the inserted bar insert in the jack, can carry out the dismouting again with the haulage rope, compare with the fixed mode of staple, do not need the staff to carry any instrument, and do not need to consume a large amount of physical power of staff, the change mode is very convenient.
3. Staff passes through dismouting limit bolt for the staff can carry out quick replacement between connecting axle and the swivel, through the cooperation with anchor clamps, makes things convenient for the staff to carry out quick replacement to first wire rope portion and the second wire rope portion of a certain damage, does not need the staff to change whole haulage rope, when the staff climbs high maintenance, can reduce staff's loading, not only saves a large amount of physical power of staff, has increased the security moreover.
4. When the staff needs to change first wire rope section or second wire rope section, the staff is through mentioning the diaphragm for the supporting shoe slides along the supporting groove, and the second spring is further compressed, and the spacing post breaks away from in the spacing hole, and then the staff removes the connecting block, makes it remove along the spread groove, and then the staff unclamps the diaphragm, makes spacing post lower extreme and arc inslot bottom laminate mutually, opens first motor afterwards, when spacing post moves to the locating hole along the arc ejector pad, and spacing post inserts the ejector pad, and first motor is shut down this moment, and then the staff control first motor output shaft is reversed for first wire rope section and second wire rope section are in the state of relaxing, thereby further make things convenient for the staff to change it, prevented that the staff from getting rid of the injury when changing first wire rope section and second wire rope section under the tensioning, more effective protection staff's safety.
5. When the rotating shaft drives the fan blade to rotate, the rotating plate rotates along with the rotating shaft, under the meshing effect of the gear and the tooth arc, the gear drives the reciprocating screw rod to rotate, so that the scraper blade is driven to move along the sliding rod in a threaded precession mode, the scraper blade scrapes and sweeps dust and bird droppings adhered to the surface of the fan blade, the surface of the fan blade is ensured to be clean, manual cleaning of a worker is not needed, and the labor capacity of the worker is further reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a vertical axis power generation device capable of flexibly adjusting the windward angle of a fan blade;
FIG. 2 is a schematic diagram of a front view of a vertical axis power generation device capable of flexibly adjusting the windward angle of a fan blade according to the present application;
FIG. 3 is a schematic view of a cross-sectional structure of a vertical axis power generation equipment in FIG. 2, wherein the cross-sectional structure is a section A-A of the vertical axis power generation equipment capable of flexibly adjusting windward angles of fan blades;
FIG. 4 is a schematic view of a cross-sectional structure of the vertical axis power generation equipment of FIG. 2 at B-B, wherein the vertical axis power generation equipment can flexibly adjust the windward angle of the fan blade;
FIG. 5 is a schematic diagram of a top view structure of a vertical axis power generation device capable of flexibly adjusting the windward angle of a fan blade according to the present application;
FIG. 6 is a schematic view of a cross-sectional structure of the vertical axis power generation equipment of FIG. 5, wherein the cross-sectional structure is shown at C-C;
FIG. 7 is a schematic view of a cross-sectional structure of the vertical axis power generation equipment of FIG. 5 at D-D, wherein the vertical axis power generation equipment can flexibly adjust the windward angle of the fan blade;
FIG. 8 is an enlarged schematic view of the vertical axis power generation equipment of FIG. 1 with a flexible adjustment of the windward angle of the fan blades;
FIG. 9 is an enlarged schematic view of the vertical axis power generation equipment of FIG. 3B with flexible adjustment of the windward angle of the fan blades;
FIG. 10 is an enlarged schematic view of the vertical axis power generation equipment of FIG. 3 with flexible adjustment of the windward angle of the fan blades;
FIG. 11 is an enlarged schematic view of the vertical axis power generation equipment of FIG. 4 with a flexible adjustment of the windward angle of the fan blades;
FIG. 12 is an enlarged schematic view of the vertical axis power generation equipment of FIG. 6 with a flexible adjustment of the windward angle of the fan blades;
FIG. 13 is an enlarged schematic view of the structure of the vertical axis power generation equipment of FIG. 6 in F, wherein the angle of incidence of the wind is flexibly adjustable;
FIG. 14 is an enlarged schematic view of the vertical axis power generation equipment of FIG. 7 with a flexible adjustment of the windward angle of the fan blades;
FIG. 15 is an enlarged schematic view of the vertical axis power generation equipment of FIG. 3 with a flexible adjustment of the windward angle of the fan blades;
FIG. 16 is an enlarged schematic view of the vertical axis power generation equipment of FIG. 3 with a flexible adjustment of the windward angle of the blades.
In the figure: 1. a base; 2. a column; 201. a support table; 202. a first circular groove; 2021. a bearing; 203. a turntable; 204. a rotor; 205. a stator; 206. an electric storage box; 207. a bracket; 208. a second circular groove; 3. a fixed table; 301. a rotating shaft; 302. a fan blade; 303. an arc-shaped groove; 304. an arc-shaped pushing block; 305. a first spring; 4. an adjustment assembly; 401. a first motor; 402. a rotating rod; 403. a winch; 404. a traction structure; 4041. a fixing frame; 4042. a rotating roller; 4043. a traction rope; 40431. a first wire rope portion; 40432. a second wire rope portion; 40433. a first round block; 40434. a connecting frame; 40435. a connecting shaft; 40436. a limit bolt; 40437. a second round block; 40438. a swivel; 4044. a jack; 4045. a clamp; 4046. a rod; 5. a connecting groove; 501. a connecting block; 502. a limit column; 6. a support plate; 601. a support groove; 602. a support block; 603. a cross plate; 604. a support rod; 605. a second spring; 7. avoidance holes; 701. inserting a column; 702. positioning holes; 8. a rotating plate; 801. a slide bar; 802. a scraper; 803. a reciprocating screw; 804. a gear; 9. tooth arc; 10. a first connection hole; 1001. an avoidance groove; 1002. a mounting groove; 1003. a mounting block; 1004. a right angle frame; 1005. a plug; 1006. a second motor; 1007. a screw rod; 11. a second connection hole; 1101. a limit sleeve; 1102. a conductive rod; 1103. a socket.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1-16, a vertical shaft power generation device capable of flexibly adjusting windward angles of fan blades comprises a base 1, wherein a stand column 2 is fixedly arranged in the middle of the upper surface of the base 1, a supporting table 201 is fixedly arranged at the upper end of the stand column 2, a first circular groove 202 is formed in the upper surface of the supporting table 201, a rotary table 203 is rotatably arranged in the first circular groove 202 through a bearing 2021, and a rotor 204 is sleeved on the table body of the rotary table 203;
a stator 205 is fixedly arranged in the first circular groove 202, an electric storage box 206 is arranged at the inner bottom of the first circular groove 202, and the stator 205 is electrically connected with the electric storage box 206;
the turntable 203 is characterized in that a plurality of brackets 207 are fixedly arranged on the turntable body, a fixed table 3 is fixedly arranged on one side, far away from the turntable 203, of the upper surface of each bracket 207, a rotating shaft 301 is movably arranged on the upper surface of each fixed table 3, and a fan blade 302 is fixedly arranged at the upper end of each rotating shaft 301;
the upper surface of the turntable 203 is provided with a second circular groove 208, and an adjusting component 4 for adjusting the windward angle of the fan blade 302 is arranged in the second circular groove 208;
each rotating shaft 301 is rotatably installed in the middle of the upper surface of the corresponding fixed table 3;
each fixing table 3 is provided with an arc groove 303 on the upper surface, each rotating shaft 301 is fixedly provided with an arc push block 304 on the shaft body, each arc push block 304 is respectively arranged in the corresponding arc groove 303 in a sliding mode, a first spring 305 is arranged in each arc groove 303, one end of each first spring 305 is fixedly connected with one side of the inner wall of the corresponding arc groove 303, and the other side of the inner wall of each first spring 305 is fixedly connected with the corresponding arc push block 304.
Through the technical scheme, when the wind season is over, the wind blows the fan blade 302, the fan blade 302 is stressed and drives the turntable 203 to rotate under the action of the bearing 2021, the rotor 204 rotates relative to the stator 205, so that electric power is generated, then the stator 205 transmits the electric power to the electric storage box 206, the electric power is stored by the electric storage box 206, wind power generation work is completed, when the wind direction changes, a worker needs to adjust the windward angle of the fan blade 302, the worker starts the adjusting assembly 4, under the cooperation of the adjusting assembly 4, the fan blade 302 can rotate based on the rotating shaft 301, the arc-shaped pushing block 304 moves along the arc-shaped groove 303, the first spring 305 is stressed and compressed, so that the windward angle of the fan blade 302 can be flexibly adjusted by the worker, and the windward angle of the fan blade 302 can be flexibly adjusted according to the actual wind direction, so that compared with the traditional vertical axis wind power generation equipment, the wind power utilization efficiency is greatly improved, and clean energy is effectively utilized.
When the fan blade 302 needs to be reset, a worker controls the adjusting assembly 4, and the first spring 305 resets and gives the arc-shaped pushing block 304 a reverse pushing force so as to drive the fan blade 302 to reset.
As shown in fig. 1, 3, 4 and 7, in this embodiment, the adjusting component 4 includes a first motor 401, a rotating rod 402 is fixedly mounted at an output shaft end of the first motor 401, a shaft body of the rotating rod 402 extends to the outside of the second circular groove 208 away from one side of the first motor 401, a winch 403 is sleeved on the shaft body, and a traction structure 404 is disposed between the winch 403 and each fan blade 302;
the traction structure 404 comprises two fixing frames 4041, wherein one fixing frame 4041 is fixedly connected with the fan blade 302, the other fixing frame 4041 is fixedly connected with the winch 403, the adjacent fixing frames 4041 are arranged from high to low, rotating rollers 4042 are rotatably arranged between two sides of the inner walls of the two fixing frames 4041, and a traction rope 4043 is arranged between the two rotating rollers 4042.
The staff starts the first motor 401, the output end of the first motor drives the rotating rod 402 and the winch 403 to rotate, the rotating winch 403 pulls the traction rope 4043, one end of the traction rope 4043 pulls the fan blade 302, and therefore the fan blade 302 can rotate based on the rotating shaft 301, and the first spring 305 is stressed and compressed. When the fan blade 302 needs to be reset, a worker controls the output shaft of the first motor 401 to rotate reversely, so that the traction rope 4043 does not pull the fan blade 302 any more, the first spring 305 resets and gives the arc-shaped push block 304 a reverse thrust, and the fan blade 302 is driven to reset.
As shown in fig. 4 and 14, in the present embodiment, the surface of each roller 4042 is provided with a jack 4044, two ends of each traction rope 4043 are fixedly provided with clamps 4045, two opposite sides of two clamping plates of each clamp 4045 are fixedly provided with inserting rods 4046, and each inserting rod 4046 is in penetrating fit with the corresponding jack 4044.
When the traction rope 4043 needs to be replaced, a worker only needs to control the two clamping plates in the clamp 4045 to move away from each other, so that the inserted link 4046 is separated from the jack 4044, then after the new traction rope 4043 is replaced, the two clamping plates of the clamp 4045 at the two ends are controlled to move relatively, so that the inserted link 4046 is inserted into the jack 4044, the traction rope 4043 can be disassembled and assembled again, compared with a fixing mode, the fixing mode is free from the need of carrying any tool by the worker, the labor is not consumed by the worker, and the replacing mode is very convenient.
As shown in fig. 4 and 13, it should be noted that the traction rope 4043 includes a first steel wire rope portion 40431 and two second steel wire rope portions 40432, and one ends of the two second steel wire rope portions 40432 away from each other are fixedly connected with corresponding clamps 4045 respectively;
the opposite ends of the two second steel wire rope segments 40432 are fixedly provided with first round blocks 40433, the opposite sides of the two first round blocks 40433 are rotatably provided with a connecting shaft 40435 through a connecting frame 40434, the lower end surfaces of the connecting shafts 40435 are provided with threaded holes, and limit bolts 40436 are arranged in the threaded holes in a threaded mode;
the two ends of the first steel wire rope portion 40431 are fixedly provided with second round blocks 40437, one ends, far away from each other, of the two second round blocks 40437 are fixedly provided with swivel rings 40438, and the two swivel rings 40438 are respectively and rotatably arranged on the shaft bodies of the corresponding connecting shafts 40435.
The staff dismouting stop bolt 40436 for the staff can carry out quick replacement between connecting axle 40435 and the swivel 40438, through the cooperation with anchor clamps 4045, makes things convenient for the staff to carry out quick replacement to the first wire rope portion 40431 and the second wire rope portion 40432 of a certain damage, does not need the staff to change whole haulage rope 4043, when the staff climbs high maintenance, can reduce staff's loading, not only saves a large amount of physical power of staff, has increased the security moreover.
As shown in fig. 7 and 12, in the specific arrangement, a connecting groove 5 is formed on one side of the upper surface of each arc-shaped push block 304, a connecting block 501 is slidably arranged in each connecting groove 5, and a limit post 502 is fixedly arranged on the upper surface of each connecting block 501;
the other side of the upper surface of each arc-shaped pushing block 304 is fixedly provided with a supporting plate 6, the surface of one side of each supporting plate 6, which is close to the corresponding limiting column 502, is provided with a supporting groove 601, a supporting block 602 is arranged in each supporting groove 601 in a sliding manner, one side of each supporting block 602 is fixedly provided with a transverse plate 603, the lower surface of each transverse plate 603 is provided with a limiting hole, and each limiting column 502 is matched with the corresponding limiting Kong Chuancha respectively;
a supporting rod 604 is fixedly arranged between two sides of the inner wall of each supporting groove 601, each supporting block 602 is respectively arranged on one side of the corresponding supporting rod 604 in a sliding manner, and a second spring 605 is sleeved on the other side of the corresponding supporting rod 604;
the upper surface of each arc-shaped pushing block 304 is provided with an avoidance hole 7 in a penetrating way, the lower surface of each transverse plate 603 is fixedly provided with a plug post 701, and each plug post 701 is respectively arranged in the corresponding avoidance hole 7 in a sliding way;
a positioning hole 702 is formed through one side of the inner bottom surface of each arc-shaped groove 303.
The second spring 605 is in a compressed state in the initial state.
When a worker needs to replace the first steel wire rope portion 40431 or the second steel wire rope portion 40432, the worker lifts the transverse plate 603, the supporting block 602 slides along the supporting groove 601, the second spring 605 is further compressed, the limiting column 502 is separated from the limiting hole, then the worker moves the connecting block 501 to move along the connecting groove 5, then the worker loosens the transverse plate 603, the lower end of the inserting column 701 is attached to the bottom in the arc-shaped groove 303, the first motor 401 is opened, when the inserting column 701 moves to the positioning hole 702 along with the arc-shaped pushing block 304, the inserting column 701 is inserted into the positioning hole 702, at the moment, the first motor 401 is stopped, then the worker controls the output shaft of the first motor 401 to rotate reversely, the first steel wire rope portion 40431 and the second steel wire rope portion 40432 are in a loosening state, accordingly the worker is further convenient to replace the connecting block, the worker is prevented from being injured when the first steel wire rope portion 40431 and the second steel wire rope portion 40432 under tension are replaced, and the safety of the worker is effectively protected.
As shown in fig. 6 and 11, it can be understood that in the present application, a rotating plate 8 is sleeved on one side of the shaft body of each rotating shaft 301 away from the arc-shaped pushing block 304, a sliding rod 801 is fixedly installed on one side of the upper surface of each rotating plate 8, and a scraping plate 802 is slidably provided on one side of the shaft body of each sliding rod 801;
the other side of the upper surface of each rotating plate 8 is rotatably provided with a reciprocating screw 803, and each scraper 802 is respectively and spirally arranged on one side of the rod body of the corresponding reciprocating screw 803;
the lower end of each reciprocating screw 803 respectively passes through the corresponding rotating plate 8 and is fixedly provided with a gear 804;
a tooth arc 9 is fixedly arranged on one side, close to the corresponding gear 804, of the upper surface of each fixed table 3, and each tooth arc 9 is meshed with the corresponding gear 804.
When the rotating shaft 301 drives the fan blade 302 to rotate, the rotating plate 8 rotates along with the rotating shaft 301, under the meshing action of the gear 804 and the tooth arc 9, the gear 804 drives the reciprocating screw 803 to rotate, so that the scraper 802 is driven to move along the sliding rod 801 in a threaded screwing mode, the scraper 802 scrapes and sweeps dust and bird droppings adhered to the surface of the fan blade 302, the surface of the fan blade 302 is ensured to be clean, manual cleaning of a worker is not needed, and the labor capacity of the worker is further reduced.
As shown in fig. 3, 8, 15 and 16, when in specific arrangement, the inner bottom surface of the second circular groove 208 is provided with a second connecting hole 11 in a penetrating way, the inner bottom surface of the first circular groove 202 is provided with a first connecting hole 10 in a penetrating way, the lower end of the first connecting hole 10 extends into the upright post 2, a conductive rod 1102 is fixedly arranged in the second connecting hole 11 through a limiting sleeve 1101, the upper end of the conductive rod 1102 is electrically connected with the first motor 401, and a socket 1103 is fixedly arranged at the lower end of the conductive rod 1102;
the inner wall of the first connecting hole 10 is provided with a avoiding groove 1001 in a penetrating way, the surface of one side of the inner wall of the avoiding groove 1001 is provided with a mounting groove 1002, a mounting block 1003 is arranged in the mounting groove 1002 in a sliding way, and a plug 1005 is fixedly arranged on one side of the mounting block 1003 through a right-angle frame 1004;
a second motor 1006 is fixedly arranged at the inner bottom of the mounting groove 1002, a screw rod 1007 is fixedly arranged at the output shaft end of the second motor 1006, the upper end of the screw rod 1007 is rotatably arranged at the inner top of the mounting groove 1002, and a mounting block 1003 is arranged on one side of the shaft body of the screw rod 1007 in a threaded manner.
When the first motor 401 is required to be used by a worker, the second motor 1006 is started, the output end of the second motor 1006 drives the screw rod 1007 to rotate, the rotating screw rod 1007 drives the plug 1005 to move along the direction of the mounting groove 1002 in a threaded screwing mode, and the plug 1005 is in contact with the socket 1103, so that the first motor 401 is electrified for use, the first motor 401 is conveniently and remotely powered by the worker, and the practicability is improved.
The working principle of the vertical axis power generation equipment capable of flexibly adjusting the windward angle of the fan blade is as follows:
when the wind power generation device is used, firstly, when the wind is in a season, wind blows the fan blade 302, so that the fan blade 302 is stressed and drives the turntable 203 to rotate under the action of the bearing 2021, the rotor 204 rotates relative to the stator 205, so as to generate power, then the stator 205 transmits the power to the power storage box 206, so that the power storage box 206 stores the power, the wind power generation work is completed, when the wind direction changes, the worker needs to adjust the windward angle of the fan blade 302, the worker starts the first motor 401, the output end of the first motor drives the rotating rod 402 and the winch 403 to rotate, the rotating winch 403 pulls the traction rope 4043, one end of the traction rope 4043 pulls the fan blade 302, so that the fan blade 302 can rotate based on the rotating shaft 301, the first spring 305 is stressed and compressed, so that the windward angle of the fan blade 302 can be flexibly adjusted by a worker, and further the windward angle of the fan blade 302 can be flexibly adjusted by the worker according to the actual wind direction, compared with the traditional vertical axis wind power generation equipment, the wind power generation equipment has the advantages that the utilization efficiency of wind energy is greatly improved, clean energy is effectively utilized, when the fan blade 302 needs to be reset, the worker controls the output shaft of the first motor 401 to rotate reversely, so that the traction rope 4043 does not pull the fan blade 302 any more, the first spring 305 resets and gives the arc-shaped push block 304 a reverse thrust, and the fan blade 302 is driven to rotate and reset by taking the rotating shaft 301 as a reference.
The foregoing examples of the present application are merely illustrative of the present application and are not intended to limit the embodiments of the present application, and other variations or modifications of various forms may be made by those skilled in the art based on the foregoing description, and it is not intended to be exhaustive of all embodiments, and all obvious variations or modifications that come within the scope of the application are defined by the following claims.

Claims (10)

1. The utility model provides a can nimble vertical axis power generation equipment of adjusting fan blade windward angle, includes base (1), its characterized in that: the novel rotary table is characterized in that an upright post (2) is fixedly arranged in the middle of the upper surface of the base (1), the upright post (2) is fixedly arranged at the upper end of the upright post (2), a supporting table (201) is arranged on the upper surface of the supporting table (201), a first circular groove (202) is formed in the upper surface of the supporting table (201), a rotary table (203) is rotatably arranged in the first circular groove (202) through a bearing (2021), and a rotor (204) is sleeved on a table body of the rotary table (203);
a stator (205) is fixedly arranged in the first circular groove (202), an electric storage box (206) is arranged at the inner bottom of the first circular groove (202), and the stator (205) is electrically connected with the electric storage box (206);
a plurality of brackets (207) are fixedly arranged on the table body of the rotary table (203), a fixed table (3) is fixedly arranged on one side, far away from the rotary table (203), of the upper surface of each bracket (207), a rotary shaft (301) is movably arranged on the upper surface of each fixed table (3), and a fan blade (302) is fixedly arranged at the upper end of each rotary shaft (301);
the wind turbine is characterized in that a second circular groove (208) is formed in the upper surface of the turntable (203), and an adjusting component (4) for adjusting the windward angle of the fan blade (302) is arranged in the second circular groove (208).
2. The vertical axis power generation equipment capable of flexibly adjusting windward angle of fan blade according to claim 1, wherein: each rotating shaft (301) is rotatably arranged in the middle of the upper surface of the corresponding fixed table (3);
each arc groove (303) has all been seted up to fixed station (3) upper surface, every pivot (301) shaft body is fixed mounting has arc ejector pad (304), every arc ejector pad (304) are slided respectively and are set up in arc groove (303) that correspond, every be provided with first spring (305) in arc groove (303), every first spring (305) one end and the arc groove (303) inner wall one side fixed connection that corresponds, every first spring (305) inner wall opposite side and the arc ejector pad (304) fixed connection that corresponds.
3. The vertical axis power generation equipment capable of flexibly adjusting windward angles of fan blades according to claim 2, wherein the vertical axis power generation equipment is characterized in that: the adjusting component (4) comprises a first motor (401), a rotating rod (402) is fixedly arranged at the output shaft end of the first motor (401), one side, far away from the first motor (401), of the shaft body of the rotating rod (402) extends to the outside of the second circular groove (208) and is sleeved with a winch (403), and a traction structure (404) is arranged between the winch (403) and each fan blade (302).
4. A vertical axis power generation apparatus capable of flexibly adjusting windward angle of fan blade according to claim 3, wherein: the traction structure (404) comprises two fixing frames (4041), one fixing frame (4041) is fixedly connected with the fan blade (302), the other fixing frame (4041) is fixedly connected with the winch (403), the adjacent fixing frames (4041) are arranged from high to low, a rotary roller (4042) is rotatably arranged between two sides of the inner wall of the fixing frame (4041), and a traction rope (4043) is arranged between the two rotary rollers (4042).
5. The vertical axis power generation equipment capable of flexibly adjusting windward angle of fan blade according to claim 4, wherein: each roller body surface of the roller (4042) is provided with a jack (4044), each traction rope (4043) is fixedly provided with a clamp (4045) at two ends, each clamp (4045) is fixedly provided with an inserting rod (4046) at one side opposite to the two clamping plates, and each inserting rod (4046) is in penetrating fit with the corresponding jack (4044).
6. The vertical axis power generation equipment capable of flexibly adjusting windward angles of fan blades according to claim 5, wherein the vertical axis power generation equipment is characterized in that: the traction rope (4043) comprises a first steel wire rope portion (40431) and two second steel wire rope portions (40432), and one ends, far away from each other, of the two second steel wire rope portions (40432) are fixedly connected with corresponding clamps (4045) respectively;
the two opposite ends of the two second steel wire rope segments (40432) are fixedly provided with first round blocks (40433), one opposite sides of the two first round blocks (40433) are rotatably provided with connecting shafts (40435) through connecting frames (40434), the lower end surfaces of the connecting shafts (40435) are provided with threaded holes, and limit bolts (40436) are arranged in the threaded holes in a threaded mode;
the two ends of the first steel wire rope portion (40431) are fixedly provided with second round blocks (40437), one ends, far away from each other, of the second round blocks (40437) are fixedly provided with swivel rings (40438), and the two swivel rings (40438) are respectively rotatably installed on shaft bodies of corresponding connecting shafts (40435).
7. The vertical axis power generation equipment capable of flexibly adjusting windward angles of fan blades according to claim 2, wherein the vertical axis power generation equipment is characterized in that: a connecting groove (5) is formed in one side of the upper surface of each arc-shaped pushing block (304), a connecting block (501) is slidably arranged in each connecting groove (5), and a limit column (502) is fixedly arranged on the upper surface of each connecting block (501);
a supporting plate (6) is fixedly arranged on the other side of the upper surface of each arc-shaped pushing block (304), a supporting groove (601) is formed in the surface of one side, close to the corresponding limiting column (502), of each supporting plate (6), a supporting block (602) is slidably arranged in each supporting groove (601), a transverse plate (603) is fixedly arranged on one side of each supporting block (602), limiting holes are formed in the lower surface of each transverse plate (603), and each limiting column (502) is matched with the corresponding limiting Kong Chuancha;
a supporting rod (604) is fixedly arranged between two sides of the inner wall of each supporting groove (601), each supporting block (602) is respectively arranged on one side of a corresponding supporting rod (604) in a sliding manner, and a second spring (605) is sleeved on the other side of the supporting rod (604);
the upper surface of each arc-shaped pushing block (304) is provided with an avoidance hole (7) in a penetrating manner, the lower surface of each transverse plate (603) is fixedly provided with an inserting column (701), and each inserting column (701) is respectively arranged in the corresponding avoidance hole (7) in a sliding manner;
one side of the inner bottom surface of each arc-shaped groove (303) is provided with a positioning hole (702) in a penetrating way.
8. The vertical axis power generation equipment capable of flexibly adjusting windward angles of fan blades according to claim 2, wherein the vertical axis power generation equipment is characterized in that: each rotating shaft (301) shaft body is sleeved with a rotating plate (8) on one side far away from the arc-shaped pushing block (304), a sliding rod (801) is fixedly installed on one side of the upper surface of each rotating plate (8), and a scraping plate (802) is slidably arranged on one side of each sliding rod (801) shaft body.
9. The vertical axis power generation equipment capable of flexibly adjusting windward angles of fan blades according to claim 8, wherein: the other side of the upper surface of each rotating plate (8) is rotatably provided with a reciprocating screw rod (803), and each scraping plate (802) is respectively and spirally arranged on one side of a rod body of the corresponding reciprocating screw rod (803);
the lower end of each reciprocating screw rod (803) respectively penetrates through the corresponding rotating plate (8) and is fixedly provided with a gear (804);
and a tooth arc (9) is fixedly arranged on one side, close to the corresponding gear (804), of the upper surface of each fixed table (3), and each tooth arc (9) is meshed with the corresponding gear (804) respectively.
10. A vertical axis power generation apparatus capable of flexibly adjusting windward angle of fan blade according to claim 3, wherein: the inner bottom surface of the second circular groove (208) is penetrated and provided with a second connecting hole (11), the inner bottom surface of the first circular groove (202) is penetrated and provided with a first connecting hole (10), the lower end of the first connecting hole (10) extends into the upright post (2), a conducting rod (1102) is fixedly arranged in the second connecting hole (11) through a limiting sleeve (1101), the upper end of the conducting rod (1102) is electrically connected with the first motor (401), and the lower end of the conducting rod (1102) is fixedly provided with a socket (1103);
an avoidance groove (1001) is formed in the inner wall of the first connecting hole (10) in a penetrating mode, a mounting groove (1002) is formed in the surface of one side of the inner wall of the avoidance groove (1001), a mounting block (1003) is arranged in the mounting groove (1002) in a sliding mode, and a plug (1005) is fixedly mounted on one side of the mounting block (1003) through a right-angle frame (1004);
a second motor (1006) is fixedly arranged in the mounting groove (1002), a screw rod (1007) is fixedly arranged at the output shaft end of the second motor (1006), the upper end of the screw rod (1007) is rotatably arranged at the inner top of the mounting groove (1002), and the mounting block (1003) is arranged on one side of the screw rod body of the screw rod (1007) in a threaded manner.
CN202310761983.XA 2023-06-27 2023-06-27 Vertical shaft power generation equipment capable of flexibly adjusting windward angle of fan blade Active CN116641837B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117703668A (en) * 2023-12-29 2024-03-15 三峡大学 Stable vertical wind driven generator

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008064106A (en) * 2002-05-16 2008-03-21 Hidemi Kurita Vertical shaft driving apparatus for vertical shaft windmill, etc., and electric power generating apparatus using the same
CN202991352U (en) * 2012-11-16 2013-06-12 张宝贵 Lift-drag combined type vertical shaft wind driven generator with vane capable of automatic regulation
CN104153940A (en) * 2013-08-27 2014-11-19 杨晨 Variable attack-angle device of vertical-shaft wind electric generator blade
CN106593768A (en) * 2017-01-16 2017-04-26 中国石油大学(华东) Constantly variable attack-angle device of H-shaped vertical-axis wind driven generator blade
CN108361148A (en) * 2018-04-20 2018-08-03 吴小琴 A kind of real-time variable pitch H-type vertical axis aerogenerator
CN113883004A (en) * 2021-11-03 2022-01-04 葛文星 Variable wind power generation fan blade
CN115030862A (en) * 2022-06-09 2022-09-09 国网山东省电力公司淄博供电公司 Vertical axis wind turbine for angle steel tower and control system thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008064106A (en) * 2002-05-16 2008-03-21 Hidemi Kurita Vertical shaft driving apparatus for vertical shaft windmill, etc., and electric power generating apparatus using the same
CN202991352U (en) * 2012-11-16 2013-06-12 张宝贵 Lift-drag combined type vertical shaft wind driven generator with vane capable of automatic regulation
CN104153940A (en) * 2013-08-27 2014-11-19 杨晨 Variable attack-angle device of vertical-shaft wind electric generator blade
CN106593768A (en) * 2017-01-16 2017-04-26 中国石油大学(华东) Constantly variable attack-angle device of H-shaped vertical-axis wind driven generator blade
CN108361148A (en) * 2018-04-20 2018-08-03 吴小琴 A kind of real-time variable pitch H-type vertical axis aerogenerator
CN113883004A (en) * 2021-11-03 2022-01-04 葛文星 Variable wind power generation fan blade
CN115030862A (en) * 2022-06-09 2022-09-09 国网山东省电力公司淄博供电公司 Vertical axis wind turbine for angle steel tower and control system thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117703668A (en) * 2023-12-29 2024-03-15 三峡大学 Stable vertical wind driven generator

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