CN111677619A - Multi-shaft multi-floating-body sea wave generator set - Google Patents
Multi-shaft multi-floating-body sea wave generator set Download PDFInfo
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- CN111677619A CN111677619A CN202010627696.6A CN202010627696A CN111677619A CN 111677619 A CN111677619 A CN 111677619A CN 202010627696 A CN202010627696 A CN 202010627696A CN 111677619 A CN111677619 A CN 111677619A
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- overrunning clutch
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- 238000007667 floating Methods 0.000 claims abstract description 73
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 description 12
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 206010024453 Ligament sprain Diseases 0.000 description 1
- 241000271901 Pelamis Species 0.000 description 1
- 208000010040 Sprains and Strains Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000035939 shock Effects 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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
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- 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
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/95—Mounting on supporting structures or systems offshore
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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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
A multi-shaft multi-floating-body sea wave generator set is characterized in that a middle shaft is provided with a driving wheel B, and the driving wheel B is connected with a driving wheel C on a generator extension shaft through a driving belt; the middle part of the intermediate shaft is provided with a gearwheel which is in meshing transmission with a flywheel; two intermediate shaft overrunning clutches are respectively arranged at two ends of the intermediate shaft, overrunning clutch combined shafts are arranged at the left and right positions of the two sides of the intermediate shaft, one end of each overrunning clutch combined shaft close to the intermediate shaft is provided with an A driving wheel, and each A driving wheel is respectively connected with a corresponding intermediate shaft overrunning clutch by a driving belt; each overrunning clutch combination shaft consists of a plurality of double overrunning clutch short shafts, and two overrunning clutches which form a pair are arranged in the middle of each double overrunning clutch short shaft; the two floating body vertical shafts of each floating body are distributed at the positions which are equidistant on two sides of the short shaft axis of the double overrunning clutch and are respectively clung to one overrunning clutch. Its advantages are reliable structure and no need of maintenance.
Description
Technical Field
The invention relates to the technical field of sea wave power generation, in particular to a multi-shaft multi-floating-body sea wave power generator set.
Background
Waves in the ocean, which have a very large energy, are estimated by scientists to have a power of up to 2.0 x 100000 kw at a sea surface of 1 square kilometer, and if they can be developed and utilized efficiently, a very considerable amount of energy will be available.
The average wave height of the yellow sea and the east sea in China is 1.5 meters, the annual average wave height of the south sea is 1 meter, and a plurality of sea areas are suitable for building offshore platforms to provide power nearby. Sea wave power generation is developed, so that the sea wave power generation device enters a complete and complete natural energy use era.
The wave power generation case exists at present, such as' hundred families: science and companion life "the first sea wave generator in the world was successfully tried out" report: the sea wave generator is named as Pelamis, two circular buoys which can be in contact with the sea without distance are arranged on the sea wave generator, if sea waves come, the circular buoys can float up and down along with the fluctuation of the sea waves, the hydraulic pump is activated accordingly, a large amount of clean water is stored in a closed loop, circulation can be achieved under a high-pressure environment, a large amount of sea energy can be converted into electric energy, and then the electric energy can be transmitted to a power grid to be transported to tens of millions of families.
The mechanical arms of the circular buoys used in the power generation device with the hydraulic pumps with data display and similarity are also huge, the circular buoys are provided with two large disks with the diameter of 10 meters, the mechanical arms with the diameter of 22 meters are connected to the disks, when sea waves are turned, the large disks floating on the sea surface swing up and down along with the waves, so that the mechanical arms are driven to move up and down, the hydraulic pumps on the mechanical arms form high pressure, and the steam turbines are rotated by sufficient power.
The hydraulic pump is a power element of a hydraulic system, and consists of two hydraulic cylinders with different sizes, and the hydraulic cylinders are filled with water or oil. Two hydraulic cylinders are respectively provided with a piston which can slide, if a certain pressure is applied to the small piston, the small piston transmits the pressure to the large piston through the pressure of the liquid, and the large piston is jacked up. The hydraulic pump applies a small force on the small piston and a large force on the large piston. The hydraulic pump drive shaft cannot withstand radial and axial forces and therefore does not allow direct mounting of pulleys, gears, sprockets at the shaft ends, usually by coupling the drive shaft and the pump drive shaft. Due to manufacturing reasons, the coaxiality of the pump and the coupling is easy to exceed the standard, deviation exists during assembly, the deformation of the coupling is increased along with the increase of the rotating speed of the pump and the centrifugal force is increased due to large deformation. Causing a vicious circle with the result that vibration noise is generated, thereby affecting the service life of the pump. In addition, the coupling has the influence factors such as untimely fastening of the looseness of the pin of the coupling, untimely replacement of the abrasion of the rubber ring and the like. It will be appreciated that it may be necessary to disassemble the hydraulic pump for various repairs or routine maintenance, causing the entire generator set to be shut down.
In addition to the technical problem of maximizing the energy of wave power generation, we also focus on the durability and ease of maintenance of wave power plants. A multi-shaft multi-floating-body wave energy generator set is designed, an offshore platform and a traditional low-speed generator are combined, a power transmission shaft system of the generator which accords with mechanical mechanics is designed, the wave power generation efficiency is high, the equipment is more durable, the multi-shaft multi-floating-body generator set which is orderly arranged and exposed can be replaced or stopped in real time during maintenance, and the purpose that the whole generator set does not stop is achieved.
The mechanical transmission in the generator set is durable and reliable, and the stress of each transmission shaft is uniform. Generally, the short shaft is more robust than the long shaft, and the transmission force applied to each shaft is relatively symmetrical, so that the positive effect of long-term stability can be achieved.
Disclosure of Invention
In order to achieve the aim, the invention provides a multi-shaft multi-floating-body sea wave generator set which comprises a plurality of floating bodies, a plurality of short shafts of double overrunning clutches and a generator, wherein an intermediate shaft is arranged in the generator set, one side of the intermediate shaft is provided with a driving wheel B, and the driving wheel B is connected with a driving wheel C on an extension shaft of the generator through a transmission belt; a large gear is arranged in the middle of the intermediate shaft and is in meshed transmission with a small gear on a flywheel shaft of a flywheel through a gear set; two intermediate shaft overrunning clutches are respectively arranged at two ends of the intermediate shaft, overrunning clutch combined shafts parallel to the intermediate shaft are arranged at the left and right positions of the two axisymmetric sides of the intermediate shaft, one end of each overrunning clutch combined shaft close to the intermediate shaft is provided with an A driving wheel, and each A driving wheel is respectively connected with a corresponding intermediate shaft overrunning clutch through a driving belt; each overrunning clutch combination shaft is formed by connecting a plurality of double overrunning clutch short shafts through couplers, two overrunning clutches are mounted in the middle of each double overrunning clutch short shaft, each floating body comprises a hollow sealed body and two floating body vertical shafts, and the two floating body vertical shafts are distributed at equal intervals on two sides of the double overrunning clutch short shaft; the two vertical walls on the inner side of the two floating body vertical shafts are provided with a vertical pushing rack on each wall, the vertical pushing racks are diagonally opposite to each other from left to right across the two overrunning clutches, and each pushing rack is meshed with the gear of one overrunning clutch which is tightly attached.
As further description of the technical scheme of the invention, the gear set and the flywheel shaft are both arranged on the platform component.
As further description of the technical scheme of the invention, the left side and the right side of each short shaft of the double overrunning clutches are positioned through bearings on the platform component, and the vertical shaft of the floating body is positioned through a front limiting pulley and a rear limiting pulley and a side limiting pulley which are arranged on the platform component.
The invention has the advantages that: the generator set has a reliable structure, can be maintained at any time without stopping, has strong power generation power, can efficiently utilize the kinetic energy of sea waves to generate green electric energy, and brings good social benefits.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of a multi-axis assembly of the present invention.
Fig. 3 is a schematic view of the multi-axis multi-float combination of the present invention.
Fig. 4 is a schematic side view of the floating body according to the present invention.
Fig. 5 is a schematic view showing the front state of the floating body according to the present invention.
FIG. 6 is a schematic view of the overrunning clutch and the push rack of the present invention.
In the above drawings, the identification of each component is:
1-pushing rack, 2-floating body, 3-overrunning clutch, 301-intermediate shaft overrunning clutch, 4-bearing, 5-intermediate left half shaft, 6-intermediate shaft, 7-big gear, 8-small gear, 9-flywheel shaft, 10-flywheel, 11-intermediate right half shaft, 12-driving belt, 13-A driving wheel, 14-overrunning clutch combined shaft, 1401-double overrunning clutch short shaft, 15-coupling, 16-generator, 17-B driving wheel, 18-C transmission wheel, 19-floating body vertical shaft, 20-side limiting pulley, 21-bearing seat, 22-platform component, 23-front and rear limiting pulley, 24-pushing rack mounting bolt, 25-A floating body vertical shaft and 26-B floating body vertical shaft.
Detailed Description
The invention adopts a method that a plurality of floating bodies are combined with a plurality of short shafts of double overrunning clutches, a plurality of short shafts of the double overrunning clutches form an overrunning clutch combined shaft, and the plurality of overrunning clutch combined shafts uniformly transmit the transmission force to an intermediate shaft so that the intermediate shaft has enough force to rotate to drive the shaft of a generator and drive the generator to generate electricity.
The design idea of the invention is as follows:
the existing technology is easy to construct an offshore platform, comprises a large building with support legs extending to the bottom of seawater or an ultra-large platform floating on the sea, and can be built by means of submerged reefs and island reefs. The offshore platform is static or relatively static, and many groups of power required by ocean wave power generation come from the up-and-down motion of each floating body supported by ocean waves on the sea surface and the gravity of the floating bodies when the floating bodies descend, so that the double overrunning clutch does work on the short shaft.
In the invention, each floating body is provided with two floating body vertical shafts, and the inner walls of the floating body vertical shafts are respectively provided with a pushing rack which acts on an overrunning clutch. The two floating body vertical shafts are respectively distributed on two sides of the two overrunning clutches on the short shaft of the overrunning clutch one by one and drive the overrunning clutches one by one. When the floating body moves upwards, one vertical shaft of the floating body applies work to one overrunning clutch of the short shafts of the double overrunning clutches, when the floating body moves downwards, the vertical shaft of the other floating body applies work to the other overrunning clutch of the short shafts of the double overrunning clutches, and the directions in which the two overrunning clutches drive the double overrunning clutches to rotate are the same. Power from a plurality of groups of overrunning clutch combination shafts is transmitted to the shaft of the generator through a middle shaft, so that the purpose of forcefully and continuously doing work on the shaft of the generator is achieved.
Regarding the generator in the present invention:
the generator adopts a low-speed synchronous generator, the number of magnetic poles of the generator is 60 poles or even more, the number of the magnetic poles of the generator is larger, but the rotating speed can be lower, can be about 50 or 60 revolutions per minute, is matched with the up-and-down fluctuation frequency of sea waves about 50 or 60 times per minute, and the setting of a gearbox is simpler and can even be omitted. Because the rotating speed is lower, the salient pole type rotor with lower requirements on materials and manufacturing processes is generally adopted, and the advantages of shock resistance and self maintenance are brought. The related manufacturers design large generators with low speed meeting the requirements, including generating voltage and current control and other auxiliary technologies. Related manufacturers comprise a certain permanent magnet motor manufacturing limited responsibility company in Baotou city, and three series of rare earth permanent magnet low-speed generators with more than three hundred varieties, namely 50-750 rpm, 30W-300 KW of horizontal axis type, vertical axis type and outer rotor type, are developed and produced.
Regarding the double overrunning clutch stub shaft of the present invention:
the length of the transmission shaft of the overrunning clutch in use can reach more than eight meters, the longest length can reach dozens of meters, the requirement on the position of the transmission shaft fixed by a plurality of bearings is very high, and if the plurality of bearings can not keep the central line of the transmission shaft on a straight line, the whole transmission shaft of the overrunning clutch has the risk that the whole transmission shaft is easy to be distorted and broken due to uneven stress. Therefore, the invention designs an overrunning clutch combined shaft which is formed by a plurality of short and thick double overrunning clutch short shafts, and the middle of the overrunning clutch combined shaft is connected by a coupler. Therefore, the short shafts of the double overrunning clutches are easier to fix and replace, the short shafts of the double overrunning clutches are not easy to damage, and the coupler is only used for connecting the short shafts of the adjacent double overrunning clutches and is not easy to damage.
Regarding the overrunning clutch in the present invention:
the invention forms a double overrunning clutch by two overrunning clutches. The overrunning clutch consists of an outer race, an inner race, a retainer, a wedge block and the like. When the inner race is fixed, the outer race rotates the wedge in the counterclockwise direction and is not locked, and the outer race can rotate freely, which is called in the invention: the outer race idles. When the outer race rotates clockwise, the sprags lock and the outer race cannot rotate, i.e.: the outer race can drive the inner race to rotate together, and the gear on the outer race can drive the short shaft of the double overrunning clutch to rotate under the pushing action.
The overrunning clutch adopts the overrunning clutch of which the outer race drives the inner race to rotate clockwise and unidirectionally, the outer race is in a state of overrunning the inner race when rotating anticlockwise, the inner race does not rotate, and the outer race idles. When the pushing rack meshed with the gear of the outer race of the overrunning clutch does work and returns, the idle running of the outer race of the overrunning clutch is utilized, otherwise, the pushing rack cannot return.
The overrunning clutch in the component of the invention comprises an overrunning clutch on a double overrunning clutch short shaft and an intermediate shaft overrunning clutch, and inner races of the overrunning clutches are respectively sleeved on the double overrunning clutch short shaft and the intermediate shaft. The inner race of the overrunning clutch is provided with a fixing hole and is fixed on the shaft by a bolt; the invention can also adopt an overrunning clutch with inner teeth arranged inside the inner race, the middle part of the overrunning clutch shaft is provided with splines which can be meshed with the inner teeth, the two sides of the middle part are also provided with threads and locked by nuts, and the two overrunning clutches are separated by a certain distance by a middle check ring.
In the invention, the inner race of the intermediate shaft overrunning clutch is sleeved in the intermediate shaft and fixed at two ends of the shaft; the inner race of the overrunning clutch is sleeved in the short shaft of the double overrunning clutch and fixed in the middle of the shaft.
With respect to offshore platforms:
the offshore platform is provided with an equipment installation plane layer, and an overrunning clutch combination shaft, a middle shaft, a generator and the like adopted by the invention can be installed. The equipment installation plane layer is provided with a platform component which is connected with the equipment installation plane layer into a whole. Comprising a platform member about one meter high from the equipment mounting plane level for mounting the respective dual overrunning clutch stub shafts and fixing their position; also includes a platform component for mounting the gear set and the flywheel shaft, and also includes a platform component in figures 4 and 5, on which a front and a back limiting pulley are arranged.
A plurality of meters of rain-proof top covers are arranged on the offshore platform, and the lower part of the platform is about two meters away from the sea surface. The size of the offshore platform can be built according to the power generation scale, and the thickness of the working surface of the offshore platform can be designed to be about 1.5 m.
The problems to be solved by the present invention are as follows:
first, in the process of wave power generation, each group of power of multiple groups is important for uniform force application of the intermediate shaft. The invention solves the problem that some shafts in the wave power generator set are easy to break and sprain, and designs that the force exerted by each floating body on the short shaft of the double overrunning clutch and the force exerted by the short shaft of each double overrunning clutch on the intermediate shaft are relatively balanced, so that the intermediate shaft is not easy to deform or even break due to uneven stress at different points;
secondly, the invention also aims at the defects of the method of meshing the multiple groups of overrunning clutch combination shafts and the intermediate shaft by using gears, designs the transmission belt for transmission, overcomes the inconvenience of installation and maintenance, and has stronger overload capacity. The invention adopts two-stage rotating shafts, wherein one stage is four overrunning clutch combined shafts, and the other stage is an intermediate shaft. Each overrunning clutch combination shaft comprises a plurality of double overrunning clutch short shafts, the double overrunning clutch short shafts are connected by a coupler, and the double overrunning clutch short shafts can be added as required. The multi-shaft multi-floating-body design can be realized as the daily maintenance without shutdown of the power part of the generator set;
and thirdly, a method for obtaining power by acting the vertical shafts of the floating bodies on the short shafts of the double overrunning clutches.
In summary, the embodiments of the present invention are described with reference to the drawings:
firstly, an intermediate shaft 6 is arranged in the generator set,
a, a B driving wheel 17 is arranged on one side of the intermediate shaft 6, the B driving wheel 17 is connected with a C driving wheel 18 on an extension shaft of the generator shaft by a transmission belt 12,
b, a gearwheel 7 is arranged in the middle of the intermediate shaft 6 and is in meshed transmission with a pinion 8 on a flywheel shaft 9 of a flywheel 10 through a gear set,
c, two intermediate shaft overrunning clutches 301 are respectively arranged at the two ends of the intermediate shaft 6, overrunning clutch combined shafts 14 parallel to the intermediate shaft 6 are arranged at the left and right positions of the two axisymmetric sides of the intermediate shaft 6, an A driving wheel 13 is arranged at one end of each overrunning clutch combined shaft 14 close to the intermediate shaft 6, and each A driving wheel 13 is respectively connected with the corresponding overrunning clutch 301 on the intermediate shaft 6 through a driving belt;
each overrunning clutch combination shaft 14 is linearly connected and combined by a plurality of double overrunning clutch short shafts 1401 and a plurality of couplers 15, and two overrunning clutches 3 which form a pair are arranged in the middle of each double overrunning clutch short shaft 1401;
thirdly, a plurality of floating bodies 2 are arranged in the generator set to drive each two overrunning clutches to rotate one by one, each floating body 2 comprises a hollow airtight body and two floating body vertical shafts 19 vertical to the hollow airtight body, the hollow airtight body floats on the sea surface and works along with the up-and-down movement of sea waves, and the two floating body vertical shafts 19 are distributed at positions at equal intervals on two sides of the short shaft 1401 axis of the double overrunning clutch;
four, each of the two inner walls of the two floating body vertical shafts 19 is provided with a vertical pushing rack 1 by bolts, which are diagonally opposite to each other from left to right across the two overrunning clutches 3 and are respectively meshed with the gear of one overrunning clutch 3 which is closely attached all the way. The engagement in the invention refers to the convex-concave matched connection during gear transmission.
In order to more clearly illustrate the embodiments of the present invention, the drawings provided by the embodiments of the present invention will be described below.
Fig. 1 is a schematic view of the overall structure of the present invention.
The equipment installation plane layer is provided with a generator 16, and the shaft of the generator 16 is connected with an extension shaft through a coupling. The extension shaft may be referred to as a generator extension shaft in the present invention, and a flywheel 18 is mounted on the shaft.
The generator set is provided with an intermediate shaft 6, a B driving wheel 17 is arranged on one side of the intermediate shaft 6, and the B driving wheel 17 is connected with a C driving wheel 18 on an extension shaft of the generator through a driving belt 12.
The inertia of the flywheel 10 is required for the shaft rotation of the generator, so that the working efficiency of the intermediate shaft 6 in the generator set is improved. The flywheel has a proper rotating speed, and the rotating speed of the shaft of the generator 16 needs to reach the requirement through a speed change gear. The ratio of the rotational speed between the intermediate shaft 6 and the flywheel 10 is achieved by the size and number of gears or gear sets between them. For this purpose, a gearwheel 7 is provided in the middle of the intermediate shaft 6, which gearwheel is in meshing engagement with a pinion 8 on a flywheel shaft 9 of a flywheel 10 via a gearwheel set. The gear set, flywheel shaft 9, is mounted on the relevant platform member of the offshore platform.
Two intermediate shaft overrunning clutches 301 are respectively arranged at two ends of the intermediate shaft 6. The intermediate shaft overrunning clutch 301 is similar to the overrunning clutch but slightly different from the overrunning clutch, and the outer race of the intermediate shaft overrunning clutch can be not provided with a protruding gear, can be additionally provided with a driving wheel and can also be directly sheathed with a driving belt.
It can also be seen from the figure that, in the outward extending direction of the two ends of the intermediate shaft 6, the upper side and the lower side of the intermediate shaft are provided with the overrunning clutch combination shafts 14 which are parallel to the intermediate shaft 6, and the parallel state can be a relatively parallel state, so that the arrangement on the offshore platform is convenient.
One end of each overrunning clutch combination shaft 14 close to the intermediate shaft 6 is provided with an A driving wheel 13, and each A driving wheel 13 is respectively connected with a corresponding overrunning clutch 301 on the intermediate shaft 6 by a wide driving belt.
Each overrunning clutch combination shaft 14 is formed by connecting a plurality of double overrunning clutch short shafts 1401 in a straight line state by a plurality of couplers 15 with enough strength, two overrunning clutches 3 which are a group are arranged in the middle of each double overrunning clutch short shaft 1401, the two overrunning clutches 3 are fixed in the middle of the double overrunning clutch short shafts 1401 in pairs by bolts, and a floating body 2 is arranged in each middle of the double overrunning clutch short shafts 1401 to drive the two overrunning clutches 3 to rotate.
When each floating body 2 moves up and down, the corresponding two overrunning clutches are driven to rotate, so that the overrunning clutch combined shafts 14 rotate towards one direction, the directions of the overrunning clutch combined shafts 14 transmitted to the intermediate shaft 6 are consistent, and the overrunning clutch combined shafts 14 drive the intermediate shaft 6 to rotate so as to enable the generator to generate electricity.
Fig. 2 is a schematic view of a multi-axis assembly of the present invention.
The left and right positions of the two axisymmetrical sides of the intermediate shaft 6 are respectively provided with an overrunning clutch combined shaft 14 which is parallel to the intermediate shaft 6, and as shown in the figure, the generator set of the invention has four overrunning clutch combined shafts 14.
The intermediate shaft 6 is divided into a middle left half shaft 5 and a middle right half shaft 11 according to the middle point, wherein the two ends of the intermediate shaft 6 refer to the left end of the left half shaft and the right end of the right half shaft. As shown in the figure, two overrunning clutch combination shafts 14 are respectively arranged at the left end of the left half shaft 5 and the right end of the right half shaft 11, and the rotating moments exerted on the middle left half shaft 5 and the middle right half shaft 11 are symmetrical.
The invention includes but is not limited to the floating body and the short shaft of the double overrunning clutch in the figure, and the number is large in practical application, so that the purpose of high-power generation is achieved.
Fig. 3 is a schematic view of the multi-axis multi-float combination of the present invention.
The floating body 2 comprises a hollow closed body and two floating body vertical shafts 19 which are vertical to the hollow closed body, and the tops of the two floating body vertical shafts 19 are connected by a connecting plate. The hollow airtight bodies float on the sea surface and move up and down along with sea waves, every two floating body vertical shafts 19 are distributed on two sides of a short shaft 1401 of the double overrunning clutch, two pushing racks 1 are respectively arranged on two walls of the inner side between the two floating body vertical shafts 19, and each pushing rack is respectively contacted and meshed with a gear of an outer race of the overrunning clutch 3.
The length of each short shaft of the double overrunning clutch is about two meters, and the left side and the right side of the short shaft 1401 of the double overrunning clutch are fixed on the platform by the bearings 4, so that the short shafts do not displace on the left side and the right side of the axis. Meanwhile, a limiting device is arranged at the position where the double overrunning clutch short shaft is contacted with the bearing, and the effect that the two ends of the whole double overrunning clutch short shaft cannot move left and right is achieved.
By adopting the design of the invention, the left side and the right side of each double overrunning clutch short shaft 1401 are positioned by the bearings fixed on the offshore platform and are connected by each coupler, so that the double overrunning clutch short shaft is not easily twisted off by external force except the short shaft in positioning. Thus, the overrunning clutch assembly shafts 14 comprising the dual overrunning clutch stub 1401 may be as straight as shown, but may not be as straight in practice, which provides ease of installation and maintenance in the field.
Fig. 4 is a schematic side view of the floating body according to the present invention.
The figures show the case where two overrunning clutches 3 overlap one behind the other in a side view, only one overrunning clutch 3 in the front view being visible; the push racks 1 are also shown in a tandem configuration, one on the left and one on the right. The front visible overrunning clutch 3 in the figure is not in simultaneous contact with the two illustrated push racks, and the rear invisible overrunning clutch 3 is not in simultaneous contact with the left and right push racks, and each overrunning clutch 3 is meshed with only one push rack which is opposite to the front and back in the figure in the positive direction.
The floating bodies 2 are arranged on the overrunning clutch combination shafts 14 of each row in a one-to-one correspondence manner. The diameter of the floating body is about one point five to three meters, the height is one meter, and the buoyancy of a single floating body is about several tons. The height of the entire float is about five meters, with the height of the vertical axis of the float being about three meters or more.
The two floating body vertical shafts 19 are distributed on two sides of a short shaft 1401 of the double overrunning clutch, and two pushing racks 1 are respectively arranged on two inner side walls between the two floating body vertical shafts 19. Referring to fig. 6, the pushing racks on the two walls are diagonally opposite to each other from left to right. Each of the push racks 1 is in contact with and engaged with a gear on only one side of one of the overrunning clutches 3. One pushing rack pushes one overrunning clutch 3 upwards on one overrunning clutch, and the other pushing rack pushes the other overrunning clutch 3 downwards on the other overrunning clutch.
The front and back positions of the floating body vertical shafts 19 are positioned through four front and back limiting pulleys 23 arranged on a platform member 22 on the platform, so that the two floating body vertical shafts 19 are distributed at positions which are equidistant on two sides of the axis of the short shaft 1401 of the double overrunning clutch and are respectively in contact engagement with a gear ring of one overrunning clutch.
Fig. 5 is a schematic view showing the front state of the floating body according to the present invention.
The figure contains two push racks 1, one on the left in the figure, with its rack visible directly in the section plane, and the other with its rack invisible in the section plane facing away from the figure.
The side restraining sheave 20 is mounted on a platform member 22 of the offshore platform. The side limiting pulleys 20 are used for limiting the position movement of the two floating body vertical shafts 19 in the left-right direction, and the two pushing racks 1 on the two floating body vertical shafts 19 are correspondingly attached to the two overrunning clutches 3 on the double overrunning clutch stub 1401 one by one.
As shown, both ends of each stub axle 1401 are positioned by means of bearings 4 fixed to the platform, each bearing 4 being mounted in a bearing seat 21 on a platform member 22.
When the floating body 2 moves up and down along with the sea waves at the position, the rack 1 is pushed to be respectively meshed with the two overrunning clutches 3 on the double overrunning clutch short shaft 1401, the two overrunning clutches 3 correspondingly rotate to drive the double overrunning clutch short shaft to rotate, and the double overrunning clutch short shaft 1401 is continuously turned over by force, so that the double overrunning clutch short shafts 1401 rotate in the same direction.
FIG. 6 is a schematic view of the overrunning clutch and the push rack of the present invention.
As shown, both of the two paired overrunning clutches 3 are bolted to the middle of the dual overrunning clutch stub 1401. The two overrunning clutches 3 are identically constructed, wherein the left drawing shows the gears on the outer race of the overrunning clutch 3 and the right overrunning clutch 3 is shown in cross-section.
By virtue of the positioning of the bearings 4, side limiting pulleys 20, and front and rear limiting pulleys 23, the a float vertical axis 25 and the B float vertical axis 26 are distributed at equal distances along both sides of the axis of the double overrunning clutch stub 1401 and are each closely attached to a gear on the outer race of one overrunning clutch 3.
Two inner walls are arranged between the A floating body vertical shaft 25 and the B floating body vertical shaft 26, one inner wall is the inner wall of the A floating body vertical shaft 25, the other inner wall is the inner wall of the B floating body vertical shaft 26, and the two inner walls face each other by separating two overrunning clutches 3, namely a short shaft 1401 of a double overrunning clutch. Each inner wall can be regarded as two vertical belts opposite to the overrunning clutch, two obliquely opposite vertical belts are selected to be respectively and vertically provided with a pushing rack by using hexagon socket head bolts, two pushing racks 1 are obliquely opposite to each other through a short shaft 1401 of the double overrunning clutch, one is at the lower left position in the figure and the upper right position in the figure, the lower left position is meshed with the pushing rack of the B floating body vertical shaft 26, and the upper right position is meshed with the pushing rack of the A floating body vertical shaft 25.
And rolling bearings are arranged between the outer race and the inner race in the overrunning clutch, and six rolling bearings are arranged between the outer race and the inner race, so that the outer race can smoothly idle.
Fig. 5 and 6 illustrate a scenario in which the embodiment of the present invention is applied, taking the overrunning clutches 3 that are both clockwise rotating one-way clutches as an example, as follows:
the B floating body vertical shaft 26 moves upwards, the pushing rack 1 on the inner wall drives the outer race of the left overrunning clutch 3 in the figure to rotate clockwise, the double overrunning clutch stub 1401 rotates clockwise, and the outer race of the right overrunning clutch 3 idles at the moment, so that the A floating body vertical shaft 25 can also move upwards along with the B floating body vertical shaft;
the A floating body vertical shaft 25 moves downwards, the pushing rack 1 on the inner wall of the A floating body vertical shaft drives the outer race of the right overrunning clutch 3 in the figure to rotate clockwise, the double overrunning clutch stub 1401 rotates clockwise, and the outer race of the left overrunning clutch 3 idles at the moment, so that the B floating body vertical shaft 26 can also move downwards.
Certain terms are used throughout the description and claims to refer to particular components. This specification and claims do not intend to distinguish between components that differ in name but not function. The description is of the best mode contemplated for carrying out the present invention and is made for the purpose of illustrating the general principles of the invention and not for the purpose of limiting the scope of the invention. The scope of the invention is defined by the appended claims.
Claims (3)
1. A multi-shaft multi-floating-body sea wave generator set comprises a plurality of floating bodies, a plurality of double overrunning clutches and a short shaft, and is characterized in that:
the generator set is internally provided with an intermediate shaft (6), one side of the intermediate shaft is provided with a driving wheel B (17), and the driving wheel B is connected with a driving wheel C (18) on an extension shaft of a generator (16) through a transmission belt (12);
a large gear (7) is arranged in the middle of the intermediate shaft (6) and is in meshed transmission with a small gear (8) on a flywheel shaft (9) of a flywheel (10) through a gear set;
two intermediate shaft overrunning clutches (301) are respectively arranged at two ends of the intermediate shaft (6), overrunning clutch combined shafts (14) parallel to the intermediate shaft (6) are arranged at the left and right positions of the two axisymmetric sides of the intermediate shaft (6), one end of each overrunning clutch combined shaft (14) close to the intermediate shaft (6) is provided with an A driving wheel (13), and each A driving wheel (13) is respectively connected with one corresponding intermediate shaft overrunning clutch (301) through a driving belt;
each overrunning clutch combination shaft (14) is formed by connecting a plurality of double overrunning clutch short shafts (1401) by a coupler (15), two overrunning clutches (3) are arranged in the middle of each double overrunning clutch short shaft (1401),
each floating body (2) comprises a hollow airtight body and two floating body vertical shafts (19), and the two floating body vertical shafts (19) are distributed at positions which are equidistant on two sides of the axis of the short shaft (1401) of the double overrunning clutch;
the two inner walls of the two floating body vertical shafts (19) are each provided with a vertical pushing rack (1) which is diagonally opposite to the left and the right by separating the two overrunning clutches (3) and is respectively meshed with the gear of the closely attached overrunning clutch (3) in the whole range.
2. A multi-axis multi-float ocean wave generator set according to claim 1 and being characterized in that:
the gear set and the flywheel shaft (9) are arranged on the platform component (22).
3. A multi-axis multi-float ocean wave generator set according to claim 1 and being characterized in that:
the left side and the right side of each double overrunning clutch short shaft (1401) are positioned through bearings (4) on the platform component, and the floating body vertical shaft (19) is positioned through a front limiting pulley (23) and a rear limiting pulley (20) which are arranged on the platform component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010627696.6A CN111677619A (en) | 2020-07-02 | 2020-07-02 | Multi-shaft multi-floating-body sea wave generator set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010627696.6A CN111677619A (en) | 2020-07-02 | 2020-07-02 | Multi-shaft multi-floating-body sea wave generator set |
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| CN111677619A true CN111677619A (en) | 2020-09-18 |
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| CN202010627696.6A Pending CN111677619A (en) | 2020-07-02 | 2020-07-02 | Multi-shaft multi-floating-body sea wave generator set |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201568204U (en) * | 2009-11-11 | 2010-09-01 | 青岛理工大学 | Dual-energy wave-activated generator |
| CN102261303A (en) * | 2011-06-23 | 2011-11-30 | 绍兴文理学院 | Wave motor of pinion-and-rack-type oversea floating platform |
| CN102454534A (en) * | 2010-10-29 | 2012-05-16 | 陈谦 | Multi-floating-body array sea wave power generation equipment |
| CN204805025U (en) * | 2015-06-02 | 2015-11-25 | 南通鼎盛海洋仪器设备有限公司 | Vibration float -type ocean wave energy power generation facility |
| CN212337527U (en) * | 2020-07-02 | 2021-01-12 | 长奇(福建)能源科技有限公司 | Multi-shaft multi-floating-body sea wave generator set |
-
2020
- 2020-07-02 CN CN202010627696.6A patent/CN111677619A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201568204U (en) * | 2009-11-11 | 2010-09-01 | 青岛理工大学 | Dual-energy wave-activated generator |
| CN102454534A (en) * | 2010-10-29 | 2012-05-16 | 陈谦 | Multi-floating-body array sea wave power generation equipment |
| CN102261303A (en) * | 2011-06-23 | 2011-11-30 | 绍兴文理学院 | Wave motor of pinion-and-rack-type oversea floating platform |
| CN204805025U (en) * | 2015-06-02 | 2015-11-25 | 南通鼎盛海洋仪器设备有限公司 | Vibration float -type ocean wave energy power generation facility |
| CN212337527U (en) * | 2020-07-02 | 2021-01-12 | 长奇(福建)能源科技有限公司 | Multi-shaft multi-floating-body sea wave generator set |
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