CN111648918A - Wind power generation equipment with long service life - Google Patents
Wind power generation equipment with long service life Download PDFInfo
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- CN111648918A CN111648918A CN202010402223.6A CN202010402223A CN111648918A CN 111648918 A CN111648918 A CN 111648918A CN 202010402223 A CN202010402223 A CN 202010402223A CN 111648918 A CN111648918 A CN 111648918A
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- transmission shaft
- power generation
- pipe
- generator
- heat dissipation
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- 238000010248 power generation Methods 0.000 title claims abstract description 70
- 230000005540 biological transmission Effects 0.000 claims abstract description 141
- 238000007789 sealing Methods 0.000 claims abstract description 66
- 230000017525 heat dissipation Effects 0.000 claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 239000004519 grease Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000005246 galvanizing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 14
- 230000008093 supporting effect Effects 0.000 abstract description 6
- 241000883990 Flabellum Species 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 31
- 230000009471 action Effects 0.000 description 10
- 230000003139 buffering effect Effects 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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
- 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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- 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
-
- 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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to a wind power generation device with long service life, which comprises a support rod, a power generation box, fan blades, a transmission shaft, a first bearing, a gearbox and a generator, the supporting rod is vertically arranged, the power generation box is cylindrical, the axis of the power generation box is vertical to and intersected with the axis of the supporting rod, the power generation box is arranged at the top end of the support rod, one end of the power generation box is provided with a mounting hole, the transmission shaft and the power generation box are coaxially arranged, the transmission shaft penetrates through the mounting hole, the transmission shaft is connected with the inner wall of the mounting hole in a sliding and sealing way, the power generation box is internally provided with a heat dissipation mechanism and at least two speed limiting mechanisms which are circumferentially and uniformly distributed by taking the axis of the transmission shaft as the center, this long service life's wind power generation equipment has promoted the generator radiating effect through heat dissipation mechanism, moreover, still prevents through speed limiting mechanism that the flabellum rotational speed is too fast to lead to the generator overheated and damage.
Description
Technical Field
The invention relates to the field of electromechanical equipment, in particular to wind power generation equipment with long service life.
Background
The electromechanical devices generally refer to mechanical, electrical and electrical automation devices, wherein the wind power generator is one of the electromechanical devices, and the wind power generator is an electric power device that converts wind energy into mechanical power, and the mechanical power drives a rotor to rotate, and finally outputs alternating current.
When the existing wind driven generator is used for a long time, the generator can generate a large amount of heat, the service life of the generator can be shortened when the generator is in a high-temperature environment for a long time, and moreover, when the rotating speed of the fan blades is too high, the temperature of the generator can be sharply increased, the generator is burnt, and the practicability is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the wind power generation equipment with long service life is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a wind power generation device with long service life comprises a support rod, a power generation box, fan blades, a transmission shaft, a first bearing, a gearbox and a generator, wherein the support rod is vertically arranged, the power generation box is cylindrical, the axis of the power generation box is perpendicular to and intersected with the axis of the support rod, the power generation box is arranged at the top end of the support rod, one end of the power generation box is provided with a mounting hole, the transmission shaft and the power generation box are coaxially arranged, the transmission shaft penetrates through the mounting hole and is in sliding and sealing connection with the inner wall of the mounting hole, the first bearing, the gearbox and the generator are all arranged in the power generation box, the generator is arranged at one end of the transmission shaft through the gearbox, the fan blades are arranged at the other end of the transmission shaft, the first bearing is arranged on the transmission shaft, the outer ring of the first bearing is fixedly connected with, a heat dissipation mechanism and at least two speed limiting mechanisms are arranged in the power generation box, and the speed limiting mechanisms are uniformly distributed in the circumferential direction by taking the axis of the transmission shaft as a center;
the heat dissipation mechanism comprises a guide pipe, a sealing plate, a rubber pipe, a heat dissipation plate, a transmission assembly, a moving assembly and two heat conduction pipes, wherein the guide pipe is parallel to the support rod and is positioned on one side of the first bearing, which is far away from the generator, the axis of the guide pipe is vertical to and intersected with the axis of the transmission shaft, two ends of the guide pipe are both sealed and fixedly connected with the inner wall of the power generation box, two through holes are arranged on the guide pipe, the transmission shaft sequentially penetrates through the two through holes, the guide pipe is in sliding and sealing connection with the inner wall of the through holes, the rubber pipe is coaxial with the power generation box, the heat dissipation plate and the sealing plate are both vertical to the transmission shaft, one end of the rubber pipe is sealed and fixedly connected with one end of the power generation box, which is far away from the mounting hole, the sealing plate is sealed and fixedly connected, the generator is fixed on a heat dissipation plate, the heat dissipation plate is parallel to a transmission shaft, the axes of the heat dissipation plate and the transmission shaft are taken as centers and are circumferentially and uniformly distributed between a guide pipe and a rubber pipe, two connection holes are formed in the heat dissipation plate and correspond to heat conduction pipes one to one, the heat conduction pipes penetrate through the connection holes and are fixedly connected with the inner walls of the connection holes, the guide pipes are communicated with one ends, close to the power generation box, of the rubber pipes through the heat dissipation plates, clear water is arranged in the heat conduction pipes, the guide pipes and the rubber pipes, a transmission assembly is arranged in the heat conduction pipes and is connected with the transmission shaft, the transmission assembly is located between the two heat conduction pipes, and the moving assembly is arranged;
the speed limiting mechanism comprises a fixed pipe, a sealing block, a movable disc, a push rod, an arc-shaped plate, a limiting block, a round hole and a connecting assembly, wherein the round hole is formed in the power generation box, the axis of the round hole is perpendicular to and intersected with the axis of a transmission shaft, the push rod, the movable disc and the fixed pipe are all arranged coaxially with the round hole, the fixed pipe penetrates through the round hole, the fixed pipe is hermetically and fixedly connected with the inner wall of the round hole, the movable disc and the limiting block are all arranged in the fixed pipe, the movable disc is slidably and hermetically connected with the inner wall of the fixed pipe, one end of the push rod is fixed on one side, close to the transmission shaft, of the movable disc, the arc-shaped plate is fixed at the other end of the push rod, a gap is formed between the other end of the push rod and the transmission shaft, the axis of the arc-, the stopper is fixed on the inner wall of fixed pipe and supports with the one side of keeping away from the transmission shaft of removing the dish and lean on, fixed pipe passes through coupling assembling and closing plate connection, coupling assembling is located between removal dish and the stopper with the junction of fixed pipe.
Preferably, in order to drive the sealing plate to move, the moving assembly comprises a moving ring, two expansion blocks, two transmission rods, two first through holes and two second through holes, the moving ring and the transmission shaft are coaxially arranged and are positioned on one side, close to the fan blades, of the heat dissipation plate, the expansion blocks are circumferentially and uniformly distributed between the moving ring and the heat dissipation plate by taking the axis of the transmission shaft as the center, the expansion blocks are fixed on the heat dissipation plate and abut against the moving ring, the first through holes are formed in the heat dissipation plate, the second through holes are formed in one end, far away from the mounting hole, of the power generation box, the transmission rods, the first through holes and the second through holes are in one-to-one correspondence with the expansion blocks, the transmission rods sequentially penetrate through the first through holes and the second through holes, and the inner walls of the first through holes and the second through holes are in, one end of the transmission rod is fixed on one side, close to the heat dissipation plate, of the moving ring, and the transmission rod is fixed on the sealing plate.
Preferably, in order to facilitate the installation of the transmission rod, both ends of the transmission rod are provided with chamfers.
Preferably, in order to drive the movable plate to move, the connecting assembly comprises a connecting pipe and a piston, the connecting pipe is parallel to the transmission shaft, the connecting pipe is fixed on one side of the fixed pipe, which is far away from the fan blades, and is communicated with the fixed pipe, the piston is matched with the connecting pipe, one end of the piston is inserted into the connecting pipe, the other end of the connecting pipe is fixedly connected with the sealing plate, and the piston slides and is in sealing connection with the inner wall of the connecting pipe.
Preferably, in order to realize the flow of clean water in the conduit, the transmission assembly comprises a driving bevel gear, a driven bevel gear, a second bearing, a rotating shaft and a blade, the driving bevel gear is mounted on the transmission shaft, the rotating shaft is perpendicular to and intersected with the axis of the transmission shaft, the driven bevel gear is mounted at one end of the rotating shaft, the blade is mounted at the other end of the rotating shaft, the driving bevel gear is meshed with the driven bevel gear, the inner ring of the second bearing is mounted on the rotating shaft, and the outer ring of the second bearing is fixedly connected with the inner wall of the conduit.
Preferably, in order to reduce the frictional force between the inner wall of the fixed pipe and the moving plate, the inner wall of the fixed pipe is coated with grease.
Preferably, in order to reduce a gap between the transmission shaft and an inner wall of the through-hole, the inner wall of the through-hole is coated with a sealing grease.
Preferably, in order to realize buffering and vibration reduction, the limiting block is made of rubber.
Preferably, in order to prolong the service life of the power generation box, the power generation box is provided with an anti-corrosion zinc coating.
Preferably, in order to improve the friction force between the arc-shaped plate and the transmission shaft, the arc-shaped plate is provided with anti-skidding lines.
The wind power generation equipment with the long service life has the advantages that the heat dissipation effect of the generator is improved through the heat dissipation mechanism, compared with the existing heat dissipation mechanism, the heat dissipation mechanism and the speed limiting mechanism achieve an integrated linkage structure, the practicability is higher, in addition, the damage of the generator due to overheating caused by too high rotating speed of the fan blades is prevented through the speed limiting mechanism, compared with the existing electronic speed limiting mechanism such as a sensor, the speed limiting mechanism controls the moving distance of the arc-shaped plate through the heat generated by the generator, the mechanical speed measurement effect is realized, and the anti-interference capability is higher.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a long-life wind power plant according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of the structure of a speed limiting mechanism of a long-life wind power plant according to the present invention;
FIG. 4 is a schematic structural view of a drive assembly of a long-life wind power plant of the present invention;
in the figure: 1. the wind power generation device comprises a support rod, 2, a generator box, 3, fan blades, 4, a transmission shaft, 5, a first bearing, 6, a gearbox, 7, a generator, 8, a guide pipe, 9, a sealing plate, 10, a rubber pipe, 11, a heat dissipation plate, 12, a heat conduction pipe, 13, a fixing pipe, 14, a sealing block, 15, a moving disc, 16, a push rod, 17, an arc plate, 18, a limiting block, 19, a moving ring, 20, an expansion block, 21, a transmission rod, 22, a connecting pipe, 23, a piston, 24, a driving bevel gear, 25, a driven bevel gear, 26, a second bearing, 27 and 28 blades.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-2, a wind power generation device with long service life comprises a support rod 1, a power generation box 2, fan blades 3, a transmission shaft 4, a first bearing 5, a gearbox 6 and a generator 7, wherein the support rod 1 is vertically arranged, the power generation box 2 is cylindrical, the axis of the power generation box 2 is perpendicular to and intersected with the axis of the support rod 1, the power generation box 2 is arranged at the top end of the support rod 1, one end of the power generation box 2 is provided with a mounting hole, the transmission shaft 4 and the power generation box 2 are coaxially arranged, the transmission shaft 4 penetrates through the mounting hole, the transmission shaft 4 is connected with the inner wall of the mounting hole in a sliding and sealing manner, the first bearing 5, the gearbox 6 and the generator 7 are all arranged in the power generation box 2, the generator 7 is arranged at one end of the transmission shaft 4 through the gearbox 6, the fan blades 3 are arranged at, the inner part of the first bearing 5 is arranged on the transmission shaft 4, the outer ring of the first bearing 5 is fixedly connected with the inner wall of the power generation box 2, a heat dissipation mechanism and at least two speed limiting mechanisms are arranged in the power generation box 2, and the speed limiting mechanisms are uniformly distributed in the circumferential direction by taking the axis of the transmission shaft 4 as the center;
the heat dissipation mechanism comprises a guide pipe 8, a sealing plate 9, a rubber pipe 10, a heat dissipation plate 11, a transmission assembly, a moving assembly and two heat conduction pipes 12, wherein the guide pipe 8 is parallel to the support rod 1 and is positioned on one side of the first bearing 5, which is far away from the generator 7, the axis of the guide pipe 8 is perpendicular to and intersected with the axis of the transmission shaft 4, two ends of the guide pipe 8 are both sealed and fixedly connected with the inner wall of the generator box 2, two through holes are formed in the guide pipe 8, the transmission shaft 4 sequentially penetrates through the two through holes, the guide pipe 8 is in sliding and sealing connection with the inner wall of the through holes, the rubber pipe 10 is coaxial with the generator box 2, the heat dissipation plate 11 and the sealing plate 9 are both perpendicular to the transmission shaft 4, one end of the rubber pipe 10 is sealed and fixedly connected with one end of the generator box 2, which is far, the heat dissipation plate 11 is positioned on one side of the generator 7 far away from the fan blades 3 and is fixedly connected with the inner wall of the generator box 2, the generator 7 is fixed on a heat dissipation plate 11, the heat conduction pipe 12 is parallel to the transmission shaft 4, the heat conducting pipes 12 are circumferentially and uniformly distributed between the guide pipe 8 and the rubber pipe 10 by taking the axis of the transmission shaft 4 as a center, the heat dissipation plate 11 is provided with two connection holes, the connection holes correspond to the heat conduction pipes 12 one by one, the heat conduction pipe 12 penetrates through the connecting hole and is fixedly connected with the inner wall of the connecting hole, the conduit 8 is communicated with one end of the rubber pipe 10 close to the power generation box 2 through the heat conduction pipe 12, clean water is arranged in the heat conduction pipe 12, the conduit 8 and the rubber tube 10, the transmission component is arranged in the heat conduction pipe 12 and is connected with the transmission shaft 4, the transmission assembly is positioned between the two heat conduction pipes 12, the moving assembly is arranged on one side of the sealing plate 9 close to the power generation box 2 and drives the sealing plate 9 to move along the axial direction of the transmission shaft 4;
the fan blades 3 rotate under the action of environmental wind power, the rotation of the fan blades 3 drives the transmission shaft 4 to rotate under the supporting action of the first bearing 5, the rotation of the transmission shaft 4 enables the generator 7 to start and generate electric quantity through the gearbox 6, power generation is realized, in the period, the generator 7 generates heat, the heat is transmitted into clean water in the heat conduction pipes 12 through the heat dissipation plate 11, the heat dissipation effect of the generator 7 can be improved by absorbing the heat through the clean water, in addition, the clean water in the guide pipe 8 is transmitted into the rubber pipe 10 from one heat conduction pipe 12 through the transmission assembly due to the rotation of the transmission shaft 4, the clean water in the rubber pipe 10 is transmitted into the guide pipe 8 from the other heat conduction pipe 12, the directional flow of the clean water can be realized, the capacity of absorbing the heat on the heat conduction pipes 12 through the flow of the clean water can be improved, the heat dissipation, natural cooling can be realized to the clear water in the rubber tube 10, after the heat on the generator 7 increases, make closing plate 9 remove towards being close to 2 directions of generator box through removing the subassembly, and the migration distance is directly proportional with the heat on the generator 7, the removal through closing plate 9 can make the water pressure increase in the rubber tube 10, can make rubber tube 10 send the inflation under the water pressure effect, thereby can improve the area of rubber tube 10 and outside air contact, can be in order to improve the heat radiating area of clear water in the rubber tube 10, promote clear water radiating efficiency, and then can promote the radiating effect of generator 7 once more, after the heat reduction on the generator 7, can make closing plate 9 reset under the water pressure effect.
As shown in fig. 3, the speed limiting mechanism includes a fixed pipe 13, a sealing block 14, a movable plate 15, a push rod 16, an arc-shaped plate 17, a limiting block 18, a circular hole and a connecting assembly, the circular hole is arranged on the power generation box 2, the axis of the circular hole is perpendicular to and intersects with the axis of the transmission shaft 4, the push rod 16, the movable plate 15 and the fixed pipe 13 are all coaxially arranged with the circular hole, the fixed pipe 13 passes through the circular hole, the fixed pipe 13 is sealed and fixedly connected with the inner wall of the circular hole, the movable plate 15 and the limiting block 18 are all arranged in the fixed pipe 13, the movable plate 15 slides and is hermetically connected with the inner wall of the fixed pipe 13, one end of the push rod 16 is fixed on one side of the movable plate 15 close to the transmission shaft 4, the arc-shaped plate 17 is fixed at the other end of the push rod 16 and is provided with a gap between the other end of the push rod 16, the sealing block 14 is sealed and fixedly connected with one end, far away from the transmission shaft 4, of the fixed pipe 13, the limiting block 18 is fixed on the inner wall of the fixed pipe 13 and is abutted against one side, far away from the transmission shaft 4, of the moving disc 15, the fixed pipe 13 is connected with the sealing plate 9 through a connecting assembly, and the connecting position of the connecting assembly and the fixed pipe 13 is located between the moving disc 15 and the limiting block 18.
When the heat quantity on the generator 7 is increased, the sealing plate 9 moves towards the direction close to the generator box 2, the movement of the sealing plate 9 increases the air pressure between the sealing block 14 and the moving disk 15 in the fixed pipe 13 through the connecting component, the movable disk 15 moves towards the direction close to the transmission shaft 4 under the action of air pressure, the movement of the movable disk 15 drives the arc-shaped plate 17 to abut against the transmission shaft 4 through the push rod 16, the load of the rotation of the transmission shaft 4 can be increased by the friction between the arc-shaped plate 17 and the transmission shaft 4, namely, the rotating speed of the transmission shaft 4 can be reduced, when the heat on the generator 7 is reduced, the sealing plate 9 moves towards the direction far away from the generator box 2, one end of the sealing plate 9 reduces the air pressure between the sealing block 14 in the fixed pipe 13 and the moving disk 15 through the connecting component, the movable disc 15 is reset under the action of air pressure and is abutted to the limiting block 18, and the reset of the movable disc 15 drives the arc-shaped plate 17 to reset through the push rod 16 and enables the arc-shaped plate 17 to be separated from the transmission shaft 4.
Preferably, in order to drive the sealing plate 9 to move, the moving assembly includes a moving ring 19, two expansion blocks 20, two transmission rods 21, two first through holes and two second through holes, the moving ring 19 is disposed coaxially with the transmission shaft 4 and is located on one side of the heat dissipation plate 11 close to the fan blades 3, the expansion blocks 20 are circumferentially and uniformly distributed between the moving ring 19 and the heat dissipation plate 11 with the axis of the transmission shaft 4 as the center, the expansion blocks 20 are fixed on the heat dissipation plate 11, the expansion blocks 20 abut against the moving ring 19, the first through holes are disposed on the heat dissipation plate 11, the second through holes are disposed at one end of the power generation box 2 far away from the installation hole, the transmission rods 21, the first through holes and the second through holes are in one-to-one correspondence with the expansion blocks 20, the transmission rods 21 sequentially pass through the first through holes and the second through holes, and the inner walls of the first through holes and the second through holes are both in sliding and, one end of the transmission rod 21 is fixed on one side of the moving ring 19 close to the heat dissipation plate 11, and the transmission rod 21 is fixed on the sealing plate 9.
The expansion block 20 can absorb heat on the heat dissipation plate 11, after the expansion block 20 is heated and expanded, the expansion block 20 pushes the movable ring 19 to move towards the direction close to the fan blades 3, the movable ring 19 moves to drive the sealing plate 9 to move synchronously through the transmission rod 21, after the heat on the generator 7 is reduced, the volume change generated by the heated expansion of the expansion block 20 is reduced, at the moment, the sealing plate 9 moves towards the direction far away from the power generation box 2 under the action of water pressure in the rubber tube 10, and the movable ring 19 is driven by the movement of the sealing plate 9 through the transmission rod 21 to abut against the expansion block 20.
Preferably, both ends of the driving rod 21 are chamfered to facilitate the installation of the driving rod 21.
The chamfer serves to reduce the diameter of the transmission rod 21 when passing through the first and second through holes, and has the effect of facilitating installation.
Preferably, in order to drive the moving plate 15 to move, the connecting assembly includes a connecting pipe 22 and a piston 23, the connecting pipe 22 is parallel to the transmission shaft 4, the connecting pipe 22 is fixed on one side of the fixed pipe 13 far away from the fan blades 3 and is communicated with the fixed pipe 13, the piston 23 is matched with the connecting pipe 22, one end of the piston 23 is inserted into the connecting pipe 22, the other end of the connecting pipe 22 is fixedly connected with the sealing plate 9, and the piston 23 is connected with the inner wall of the connecting pipe 22 in a sliding and sealing manner.
The sealing plate 9 moves towards the direction close to the generator box 2 to drive the piston 23 to synchronously move in the connecting pipe 22, so that air in the connecting pipe 22 is extruded into the fixed pipe 13, namely, air pressure between one end disc in the fixed pipe 13 and the sealing block 14 can be increased, when the sealing plate 9 moves towards the direction far away from the generator box 2, the sealing plate 9 drives the piston 23 to reversely move in the connecting pipe 22, namely, air in the fixed pipe 13 can be sucked into the connecting pipe 22, air pressure between the movable disc 15 in the fixed pipe 13 and the sealing block 14 is reduced, and the movable disc 15 moves towards the direction far away from the transmission shaft 4 under the action of the air pressure.
As shown in fig. 4, the transmission assembly includes a driving bevel gear 24, a driven bevel gear 25, a second bearing 26, a rotating shaft 27 and a blade 28, the driving bevel gear 24 is mounted on the transmission shaft 4, the rotating shaft 27 is perpendicular to and intersects with the axis of the transmission shaft 4, the driven bevel gear 25 is mounted at one end of the rotating shaft 27, the blade 28 is mounted at the other end of the rotating shaft 27, the driving bevel gear 24 is engaged with the driven bevel gear 25, the inner ring of the second bearing 26 is mounted on the rotating shaft 27, and the outer ring of the second bearing 26 is fixedly connected with the inner wall of the conduit 8.
The rotation of the transmission shaft 4 drives the driving bevel gear 24 to rotate, the rotation of the driving bevel gear 24 drives the driven bevel gear 25 to rotate, the rotation of the driven bevel gear 25 drives the rotating shaft 27 to rotate under the supporting action of the second bearing 26, the rotation of the rotating shaft 27 drives the blades 28 to rotate, and the clean water in the conduit 8 can flow through the rotation of the blades 28.
Preferably, in order to reduce the friction between the inner wall of the fixed pipe 13 and the moving plate 15, the inner wall of the fixed pipe 13 is coated with grease.
The grease functions to reduce the friction between the inner wall of the fixed pipe 13 and the moving disk 15, and to improve the smoothness of movement of the moving disk 15.
Preferably, in order to reduce the gap between the transmission shaft 4 and the inner wall of the through-hole, the inner wall of the through-hole is coated with a sealing grease.
The sealing grease has the function of reducing the clearance between the transmission shaft 4 and the inner wall of the through hole and improving the sealing property.
Preferably, the material of the limiting block 18 is rubber for realizing buffering and vibration damping.
The rubber texture is softer, and the impact force generated when the movable disc 15 abuts against the limiting block 18 can be reduced, so that the buffering and vibration damping effects are realized.
Preferably, in order to prolong the service life of the power generation box 2, the power generation box 2 is provided with an anti-corrosion zinc coating.
The function of anticorrosive galvanizing coat is to promote the rust-resistant ability of power generation box 2, prolongs power generation box 2's life.
Preferably, in order to increase the friction between the arc-shaped plate 17 and the transmission shaft 4, the arc-shaped plate 17 is provided with anti-skid lines.
The anti-slip patterns are used for improving the friction force between the arc-shaped plate 17 and the transmission shaft 4 and improving the reliability of reducing the rotating speed of the transmission shaft 4.
The fan blades 3 rotate under the action of environmental wind, the rotation of the fan blades 3 drives the transmission shaft 4 to rotate under the supporting action of the first bearing 5, the rotation of the transmission shaft 4 enables the generator 7 to start and generate electricity through the gearbox 6, electricity generation is realized, in the period, the generator 7 generates heat, the heat is transmitted into clean water in the heat conduction pipes 12 through the heat dissipation plate 11, the heat dissipation effect of the generator 7 can be improved by absorbing the heat through the clean water, in addition, the rotation of the transmission shaft 4 drives the driving bevel gear 24 to rotate, the rotation of the driving bevel gear 24 drives the driven bevel gear 25 to rotate, the rotation of the driven bevel gear 25 drives the rotation shaft 27 to rotate under the supporting action of the second bearing 26, the rotation of the rotation shaft 27 drives the blades 28 to rotate, the clean water in the guide pipe 8 can flow through the rotation of the blades 28, and the clean water in the guide pipe 8, the clean water in the rubber tube 10 is conveyed into the guide tube 8 from the other heat conduction tube 12, so that the directional flow of the clean water can be realized, the capacity of the clean water for absorbing the heat on the heat conduction tube 12 can be improved through the flow of the clean water, and the heat dissipation effect of the generator 7 can be further improved, wherein the clean water in the rubber tube 10 can realize natural cooling, in addition, the expansion block 20 can absorb the heat on the heat dissipation plate 11, after the expansion block 20 is heated and expanded, the expansion block 20 pushes the movable ring 19 to move towards the direction close to the fan blades 3, the movement of the movable ring 19 drives the sealing plate 9 to realize synchronous movement through the transmission rod 21, the movement distance is in direct proportion to the heat on the generator 7, the water pressure in the rubber tube 10 can be increased through the movement of the sealing plate 9, the rubber tube 10 can expand under the action of the water pressure, so that the contact area, the heat dissipation area of clear water in the rubber tube 10 can be increased, the heat dissipation efficiency of the clear water is improved, and the heat dissipation effect of the generator 7 can be improved again, meanwhile, the movement of the sealing plate 9 drives the piston 23 to move synchronously in the connecting tube 22, so that air in the connecting tube 22 is extruded into the fixed tube 13, namely, the air pressure between one end disc in the fixed tube 13 and the sealing block 14 can be increased, the movable disc 15 moves towards the direction close to the transmission shaft 4 under the action of the air pressure, the movement of the movable disc 15 drives the arc-shaped plate 17 to abut against the transmission shaft 4 through the push rod 16, the rotating load of the transmission shaft 4 can be increased through the friction force between the arc-shaped plate 17 and the transmission shaft 4, the rotating speed of the transmission shaft 4 can be reduced, and the;
when the heat on the generator 7 is reduced, the volume of the expansion block 20 is reduced, at this time, the sealing plate 9 moves towards the direction away from the generator box 2 under the action of the water pressure in the rubber tube 10, the moving ring 19 is driven by the driving rod 21 to abut against the expansion block 20 when the sealing plate 9 moves, the piston 23 moves towards the direction away from the fan blades 3 in the connecting tube 22 through the movement of the sealing plate 9, so that the air pressure between the moving disc 15 and the sealing block 14 in the fixed tube 13 is reduced, the moving disc 15 moves towards the direction away from the transmission shaft 4 under the action of the air pressure, and the resetting of the moving disc 15 drives the arc-shaped plate 17 to be separated from the transmission shaft 4 through the push rod 16.
Compared with the prior art, this long service life's wind power generation equipment has promoted generator 7 radiating effect through heat dissipation mechanism, compare with current heat dissipation mechanism, this heat dissipation mechanism has realized integral type linkage structure with speed limiting mechanism, the practicality is stronger, moreover, still prevent through speed limiting mechanism that 3 rotational speeds of flabellum from leading to generator 7 overheated and damage too fast, compare with the speed limiting mechanism of electronic methods such as current sensor, the distance that the heat control arc 17 that this speed limiting mechanism produced through generator 7 removed, the effect that the mechanical type tested the speed has been realized, the interference killing feature is stronger.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A wind power generation device with long service life comprises a support rod (1), a power generation box (2), fan blades (3), a transmission shaft (4), a first bearing (5), a gearbox (6) and a generator (7), wherein the support rod (1) is vertically arranged, the power generation box (2) is cylindrical, the axis of the power generation box (2) is perpendicular to and intersected with the axis of the support rod (1), the power generation box (2) is arranged at the top end of the support rod (1), one end of the power generation box (2) is provided with a mounting hole, the transmission shaft (4) and the power generation box (2) are coaxially arranged, the transmission shaft (4) penetrates through the mounting hole, the transmission shaft (4) is in sliding and sealing connection with the inner wall of the mounting hole, the first bearing (5), the gearbox (6) and the generator (7) are all arranged in the power generation box (2), the generator (7) is arranged at one end of the transmission shaft (4) through the gearbox (6), the fan blades (3) are arranged at the other end of the transmission shaft (4), the first bearing (5) is arranged on the transmission shaft (4), the outer ring of the first bearing (5) is fixedly connected with the inner wall of the power generation box (2), and the fan blade type speed limiting device is characterized in that a heat dissipation mechanism and at least two speed limiting mechanisms are arranged in the power generation box (2), and the speed limiting mechanisms are circumferentially and uniformly distributed by taking the axis of the transmission shaft (4) as the center;
the heat dissipation mechanism comprises a guide pipe (8), a sealing plate (9), a rubber pipe (10), a heat dissipation plate (11), a transmission assembly, a moving assembly and two heat conduction pipes (12), wherein the guide pipe (8) is parallel to the support rod (1) and is positioned on one side of the first bearing (5) far away from the generator (7), the axis of the guide pipe (8) is perpendicular to and intersected with the axis of the transmission shaft (4), two ends of the guide pipe (8) are both sealed and fixedly connected with the inner wall of the generator box (2), two through holes are formed in the guide pipe (8), the transmission shaft (4) sequentially penetrates through the two through holes, the guide pipe (8) is in sliding and sealing connection with the inner wall of the through holes, the rubber pipe (10) is coaxially arranged with the generator box (2), the heat dissipation plate (11) and the sealing plate (9) are both perpendicular to the transmission shaft (4), one end of the rubber pipe (10) is sealed and fixedly connected with one end of the generator box (, the sealing plate (9) is sealed and fixedly connected with the other end of the rubber tube (10), the heat dissipation plate (11) is located on one side of the generator (7) far away from the fan blades (3) and fixedly connected with the inner wall of the power generation box (2), the generator (7) is fixed on the heat dissipation plate (11), the heat conduction tubes (12) are parallel to the transmission shaft (4), the axes of the heat conduction tubes (12) and the transmission shaft (4) are circumferentially and uniformly distributed between the guide tube (8) and the rubber tube (10) as centers, two connection holes are formed in the heat dissipation plate (11), the connection holes correspond to the heat conduction tubes (12) one by one, the heat conduction tubes (12) penetrate through the connection holes and are fixedly connected with the inner wall of the connection holes, the guide tube (8) is communicated with one end, close to the power generation box (2), of the rubber tube (10) through the heat conduction tubes (12), the guide tube (8) and the rubber tube, the transmission assembly is arranged in the heat conduction pipes (12) and connected with the transmission shaft (4), the transmission assembly is located between the two heat conduction pipes (12), the moving assembly is arranged on one side, close to the power generation box (2), of the sealing plate (9) and drives the sealing plate (9) to move along the axial direction of the transmission shaft (4);
the speed limiting mechanism comprises a fixed pipe (13), a sealing block (14), a movable disc (15), a push rod (16), an arc-shaped plate (17), a limiting block (18), a round hole and a connecting assembly, wherein the round hole is formed in the power generation box (2), the axis of the round hole is perpendicular to and intersected with the axis of the transmission shaft (4), the push rod (16), the movable disc (15) and the fixed pipe (13) are coaxially arranged with the round hole, the fixed pipe (13) penetrates through the round hole, the fixed pipe (13) is sealed and fixedly connected with the inner wall of the round hole, the movable disc (15) and the limiting block (18) are both arranged in the fixed pipe (13), the movable disc (15) is in sliding and sealing connection with the inner wall of the fixed pipe (13), one end of the push rod (16) is fixed on one side, close to the transmission shaft (4), of the movable disc (15), the arc-shaped plate (17) is fixed at the other end of the push rod (16) and is, the axis of arc (17) is parallel with transmission shaft (4), arc (17) and transmission shaft (4) match, sealed piece (14) and the sealed and fixed connection of the one end of keeping away from transmission shaft (4) of fixed pipe (13), stopper (18) are fixed on the inner wall of fixed pipe (13) and are supported with the one side of keeping away from transmission shaft (4) of removing dish (15) and lean on, fixed pipe (13) are connected with closing plate (9) through coupling assembling, coupling assembling is located between removal dish (15) and stopper (18) with the junction of fixed pipe (13).
2. The wind power generation device with long service life according to claim 1, wherein the moving assembly comprises a moving ring (19), two expansion blocks (20), two transmission rods (21), two first through holes and two second through holes, the moving ring (19) is arranged coaxially with the transmission shaft (4) and is located on one side of the heat dissipation plate (11) close to the fan blades (3), the expansion blocks (20) are circumferentially and uniformly distributed between the moving ring (19) and the heat dissipation plate (11) by taking the axis of the transmission shaft (4) as the center, the expansion blocks (20) are fixed on the heat dissipation plate (11), the expansion blocks (20) are abutted against the moving ring (19), the first through holes are arranged on the heat dissipation plate (11), the second through holes are arranged at one end of the power generation box (2) far away from the installation hole, and the transmission rods (21), the first through holes and the second through holes are in one-to-one correspondence with the expansion blocks (20), the transmission rod (21) sequentially penetrates through the first through hole and the second through hole, the inner wall of the first through hole and the inner wall of the second through hole are in sliding and sealing connection with the transmission rod (21), one end of the transmission rod (21) is fixed to one side, close to the heat dissipation plate (11), of the moving ring (19), and the transmission rod (21) is fixed to the sealing plate (9).
3. Wind-power unit according to claim 2, characterised in that the drive rod (21) is chamfered at both ends.
4. The wind power generation device with long service life according to claim 1, characterized in that the connection assembly comprises a connection pipe (22) and a piston (23), the connection pipe (22) is parallel to the transmission shaft (4), the connection pipe (22) is fixed on one side of the fixed pipe (13) far away from the fan blade (3) and is communicated with the fixed pipe (13), the piston (23) is matched with the connection pipe (22), one end of the piston (23) is inserted into the connection pipe (22), the other end of the connection pipe (22) is fixedly connected with the sealing plate (9), and the piston (23) is connected with the inner wall of the connection pipe (22) in a sliding and sealing manner.
5. The wind power plant with long service life according to claim 1, wherein the transmission assembly comprises a drive bevel gear (24), a driven bevel gear (25), a second bearing (26), a rotating shaft (27) and a blade (28), the drive bevel gear (24) is mounted on the transmission shaft (4), the rotating shaft (27) is perpendicular to and intersects with the axis of the transmission shaft (4), the driven bevel gear (25) is mounted at one end of the rotating shaft (27), the blade (28) is mounted at the other end of the rotating shaft (27), the drive bevel gear (24) is meshed with the driven bevel gear (25), the inner ring of the second bearing (26) is mounted on the rotating shaft (27), and the outer ring of the second bearing (26) is fixedly connected with the inner wall of the guide pipe (8).
6. Wind power plant according to claim 1, characterized in that the inner wall of the stationary pipe (13) is coated with grease.
7. The wind power plant according to claim 1, wherein the inner wall of the through hole is coated with a sealing grease.
8. Wind-power unit according to claim 1, characterised in that the stop blocks (18) are made of rubber.
9. Wind power plant with a long service life according to claim 1, characterised in that the generator box (2) is provided with an anti-corrosion galvanising layer.
10. Wind-power unit according to claim 1, characterised in that the curved plates (17) are provided with anti-slip threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010402223.6A CN111648918A (en) | 2020-05-13 | 2020-05-13 | Wind power generation equipment with long service life |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010402223.6A CN111648918A (en) | 2020-05-13 | 2020-05-13 | Wind power generation equipment with long service life |
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| CN111648918A true CN111648918A (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010402223.6A Withdrawn CN111648918A (en) | 2020-05-13 | 2020-05-13 | Wind power generation equipment with long service life |
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Cited By (3)
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| CN112211785A (en) * | 2020-09-24 | 2021-01-12 | 包红喜 | Heat dissipation type wind power generation equipment |
| CN114189088A (en) * | 2021-11-26 | 2022-03-15 | 徐州铭尊机电有限公司 | Electric motor car motor seal structure |
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Application publication date: 20200911 |