CN107420252B - Multi-degree-of-freedom multi-raft wave energy power generation device - Google Patents
Multi-degree-of-freedom multi-raft wave energy power generation device Download PDFInfo
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- CN107420252B CN107420252B CN201710077813.4A CN201710077813A CN107420252B CN 107420252 B CN107420252 B CN 107420252B CN 201710077813 A CN201710077813 A CN 201710077813A CN 107420252 B CN107420252 B CN 107420252B
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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"
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/122—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and oscillating motion
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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
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
- F05B2220/7068—Application in combination with an electrical generator equipped with permanent magnets
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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
Abstract
The invention discloses a multi-degree-of-freedom multi-raft wave energy power generation device, which comprises: a single link raft, a telescopic X-axis Y-axis link assembly, a Y-axis Z-axis link assembly, an X-axis Z-axis energy capturing module and a double link raft; the single-link raft, the X-axis Z-axis energy capturing module and the double-link raft are internally provided with a planetary gear transmission mechanism, a swinging conversion unidirectional rotation mechanism and a permanent magnet generator, wherein the X-axis Z-axis energy capturing module and the double-link raft are internally provided with a differential torque synthesizer; the planetary gear transmission mechanism is matched with the swinging conversion unidirectional rotation mechanism, so that the multi-degree-of-freedom mechanical motion of the raft or the connecting rod is converted into unidirectional rotation torque; the method comprises the steps that a single-link raft is driven by one unidirectional rotation torque to generate electricity, and two unidirectional rotation torques are synthesized by a differential torque synthesizer in an X-axis Z-axis energy capturing module and a double-link raft to drive the permanent magnet generator to generate electricity; the device can efficiently capture wave energy of the multi-degree-of-freedom moving raft and is convenient to anchor.
Description
Technical Field
The invention relates to the field of wave energy power generation, in particular to a multi-degree-of-freedom wave surface raft wave energy power generation energy device.
Background
Existing wave energy capture technologies are: oscillating water column, raft type, shrinkage wave channel type, oscillating float type, pendulum type, etc. The rotating mechanism of the oscillating water column wave energy device is not contacted with seawater, so that the corrosion resistance is good, the safety is high, and the maintenance is convenient; its advantages are low conversion efficiency, low adaptability to small wave energy and high cost. The pendulum wave energy device has the advantages that the motion of the pendulum body is very suitable for the characteristics of high thrust and low frequency of waves, the conversion efficiency of the pendulum device is high, but the existing device is difficult to mechanically maintain and is easy to damage. The shrinkage channel type has the advantages that the primary conversion has no movable part, the reliability is good, the maintenance cost is low, and the system output is stable; the method has the defects that the requirements on the geographical terrain are high in power station construction, and the method is not easy to popularize. The wave energy is obtained by adopting the oscillating floater mode, and the wave energy conversion efficiency is high, and the wave energy conversion device has the defect that the tidal range and the anchoring trouble are needed to be considered. The raft type device floats on the sea surface, and mainly utilizes the relative motion between rafts to absorb energy, so that decoupling of six-degree-of-freedom motion of the raft under the action of wave energy is needed to be solved, and the purpose of efficiently absorbing energy is achieved. Its advantages are convenient anchoring, high power level and easy popularization.
Disclosure of Invention
Aiming at the technical problems, the invention provides the power generation device which can perfectly solve the decoupling problem of six-degree-of-freedom motion, has good energy capturing effect, strong environment adaptability and convenient anchoring and can capture the wave energy of the six-degree-of-freedom motion.
In order to achieve the above purpose, the following technical scheme is adopted:
a multiple degree of freedom multiple raft wave energy power generation device comprising: a single link raft, a telescopic X-axis Y-axis link assembly, an X-axis Z-axis energy capturing module, a Y-axis Z-axis link assembly and a double link raft.
The single link raft comprises: the planetary gear transmission mechanism is arranged at the geometrical center of the Y-axis direction side face of the single-link raft, two groups of planetary gears of the planetary gear transmission mechanism are simultaneously meshed with two sets of input gears of the swinging conversion unidirectional rotation mechanism, and an output shaft of the swinging conversion unidirectional rotation mechanism is connected with the permanent magnet generator shaft; the input shaft of the planetary gear transmission mechanism is connected with a Y-axis joint of a telescopic X-axis Y-axis connecting rod assembly, a Y-axis shaft sleeve of the telescopic X-axis Y-axis connecting rod assembly is sleeved on a shaft seat of the geometrical center of the opposite side face of the single-link raft in the Y-axis direction, and the telescopic X-axis Y-axis connecting rod assembly can freely swing back and forth around the Y-axis of the single-link raft;
the scalable X-axis Y-axis connecting rod assembly is "Y" type universal joint, includes: the Y-axis joint, the Y-axis shaft sleeve and the X-axis joint can be telescopic in the X-axis direction to change the geometric length.
The X-axis Z-axis energy capturing module comprises: the planetary gear transmission mechanism is arranged in the geometric center of the side face of the X-axis Z-axis conversion and capture module in the X-axis direction, two groups of planetary gears of the X-axis planetary gear transmission mechanism are meshed with two sets of input gears of the swinging conversion unidirectional rotation mechanism at the same time, and an output shaft of the swinging conversion unidirectional rotation mechanism is connected with a sun gear 1 of the differential torque synthesizer in an axial manner; the X-axis Z-axis conversion unidirectional rotation mechanism is arranged in the Z-axis direction of the X-axis Z-axis conversion unidirectional rotation mechanism, an input cone pulley of the Z-axis conversion unidirectional rotation mechanism is meshed with two sets of X-axis cone pulleys of the Z-axis conversion unidirectional rotation mechanism at the same time, an output shaft of the Z-axis conversion unidirectional rotation mechanism is connected with a sun pulley 2 of the differential torque synthesizer in an axial manner, and an output pulley of the differential torque synthesizer is meshed with an input pulley of the permanent magnet generator for transmission; wherein the differential torque combiner assembly is a reverse application of the universal differential assembly; the input shaft of the X-axis planetary gear transmission mechanism is connected with an X-axis joint of a telescopic X-axis Y-axis connecting rod assembly, and the telescopic X-axis Y-axis connecting rod assembly can freely reciprocate around the X axis of the X-axis Z-axis energy capturing module; the Z-axis joint of the Y-axis Z-axis connecting rod assembly is connected with the input cone shaft, and the Y-axis Z-axis connecting rod assembly can freely swing back and forth around the Z axis of the X-axis Z-axis energy capturing module;
the Y-axis Z-axis connecting rod assembly is a torsion H-shaped universal joint and comprises: y-axis joint and Y-axis axle sleeve, Z-axis joint and Z-axis axle sleeve.
The double-link raft comprises: the planetary gear transmission mechanism is arranged at the geometrical center of the Y-axis direction side face of the double-link raft, the planetary gear of the planetary gear transmission mechanism is meshed with two sets of input wheels of the swinging conversion unidirectional rotation mechanism at the same time, and an output shaft of the swinging conversion unidirectional rotation mechanism is connected with the sun gear 1 of the differential torque synthesizer in an axial manner; the other set of planetary gear transmission mechanism is arranged at the geometrical center of the opposite side face of the Y-axis direction of the double-link raft, the planetary gears of the planetary gear transmission mechanism are simultaneously meshed with two sets of input gears of the swinging conversion unidirectional rotation mechanism, and the output shaft of the swinging conversion unidirectional rotation mechanism is connected with the sun gear 2 of the differential torque synthesizer in an axial manner; the output wheel of the differential torque synthesizer is meshed and driven with the input wheel of the permanent magnet generator; the input shaft of one set of Y-axis planetary gear transmission mechanism is connected with the Y-axis joint of one set of Y-axis Z-axis connecting rod assembly, and the Y-axis shaft sleeve of the set of Y-axis Z-axis connecting rod assembly is sleeved on the input shaft of the other set of Y-axis planetary gear transmission mechanism; similarly, the input shaft of the other set of Y-axis planetary gear transmission mechanism is connected with the Y-axis joint of the other set of Y-axis Z-axis connecting rod assembly, and the Y-axis shaft sleeve of the set of Y-axis Z-axis connecting rod assembly is sleeved on the input shaft of the other set of Y-axis planetary gear transmission mechanism; the two sets of Y-axis Z-axis connecting rod assemblies can freely swing back and forth around the Y axis of the double-link raft.
The planetary gear transmission mechanism comprises: the device comprises an input shaft, a sun gear and two groups of planetary gears, wherein the sun gear is connected with the input shaft, and the two groups of planetary gears are meshed with the sun gear and simultaneously meshed with two sets of input gears of the swinging conversion unidirectional rotating mechanism.
The swing conversion unidirectional rotation mechanism comprises: the device comprises an input gear 1, an input gear 2, an overrunning clutch 1, an overrunning clutch 2, a transmission gear 1, a transmission gear 2 and an output shaft; the input gear 1 is coaxially assembled with the outer sleeve of the overrunning clutch 1, the transmission gear 1 is coaxially assembled with the inner sleeve of the overrunning clutch 1, and the steering direction of the overrunning clutch 1 is clockwise; the input gear 2 is coaxially assembled with the outer sleeve of the overrunning clutch 2, the transmission gear 2 is coaxially assembled with the inner sleeve of the overrunning clutch 2, and the steering direction of the overrunning clutch 2 is anticlockwise; the transmission gear 1 is meshed with the transmission gear 2, and the transmission gear 2 is connected with the output shaft.
The Y-axis joint of the telescopic X-axis Y-axis connecting rod assembly is connected and assembled with an input shaft of a Y-axis planetary gear transmission mechanism in the single-link raft, and the Y-axis shaft sleeve of the telescopic X-axis Y-axis connecting rod assembly is assembled with a shaft seat sleeve of the single-link raft; an X-axis joint of the telescopic X-axis Y-axis connecting rod assembly is connected and assembled with an input shaft of an X-axis planetary gear transmission mechanism of the X-axis Z-axis energy capturing module; the X-axis direction of the telescopic X-axis Y-axis connecting rod assembly can be telescopic to change the geometric length.
The Z-axis joint of the Y-axis Z-axis connecting rod assembly is connected with an input cone wheel shaft of a Z-axis swinging conversion unidirectional rotating mechanism in the X-axis Z-axis energy capturing module, and a Z-axis shaft sleeve of the Y-axis Z-axis connecting rod assembly is sleeved and assembled with a shaft seat at the bottom of the X-axis Z-axis energy converting module; the Y-axis joint of the Y-axis Z-axis connecting rod assembly is connected and assembled with the input shaft of the Y-axis planetary gear transmission mechanism in the double-link raft, and the Y-axis shaft sleeve of the Y-axis Z-axis connecting rod assembly is sleeved on the input shaft of the other set of Y-axis planetary gear transmission mechanism of the double-link raft assembly.
The differential torque synthesizer assembly includes: the output sun gear 1 and the output sun gear 2 of the universal differential assembly are set to be two torque input functions, and the input planetary assembly of the universal differential assembly is set to be two torque synthesized output wheel functions.
The single-link raft operating principle of the invention adopting the technical scheme is as follows: the single-link raft generates heave, heave and pitching motions under the wave action, so that the telescopic X-axis Y-axis link assembly swings relative to the single-link raft around the Y axis of the single-link raft; the planetary gear transmission mechanism of the Y shaft is matched with the swinging conversion unidirectional rotating mechanism, so that swinging motion of the connecting rod is converted into unidirectional rotating torque of the Y shaft and the permanent magnet generator is driven to generate electricity;
the operation principle of the X-axis Z-axis energy capturing module is as follows: the single-link raft is transferred by the telescopic X-axis Y-axis link assembly, or the double-link raft is transferred by the Y-axis Z-axis link assembly, so that the telescopic X-axis Y-axis link assembly swings around the X axis of the X-axis Z-axis energy capturing module; the rocking motion of the telescopic X-axis Y-axis connecting rod assembly is converted into unidirectional rotation torque of the X-axis by matching the planetary gear transmission mechanism of the X-axis with the rocking conversion unidirectional rotation mechanism; the single-link raft is subjected to the pitching, swinging and head-swinging motions through the transmission of a telescopic X-axis Y-axis connecting rod assembly, or the pitching, swinging and head-swinging motions of the double-link raft are subjected to the transmission of a Y-axis Z-axis connecting rod assembly, so that the Y-axis Z-axis connecting rod assembly performs swinging motions around the Z axis of the X-axis Z-axis energy capturing module; the swinging motion of the Y-axis Z-axis connecting rod assembly is converted into unidirectional rotation torque of the X-axis through the Z-axis swinging conversion unidirectional rotation mechanism; the two torques on the X axis are synthesized through a differential torque synthesizer and drive a permanent magnet synchronous generator to generate electricity;
the operation principle of the double-link raft is as follows: the pitching and heaving movement of the single-link raft is transmitted by the telescopic X-axis Y-axis link assembly, the X-axis Z-axis energy capturing module and the Y-axis Z-axis link assembly, or the pitching movement of the double-link raft, so that the Y-axis Z-axis link assembly swings around the Y axis of the double-link raft relative to the raft; the planetary gear transmission mechanism of the Y shaft is matched with the swinging conversion unidirectional rotating mechanism, so that swinging motion of the connecting rod is converted into unidirectional rotating torque of the Y shaft; similarly, the swinging motion of the other set of Y-axis Z-axis connecting rod assembly on the double-connecting-rod raft is matched with the swinging conversion unidirectional rotating mechanism through the planetary gear transmission mechanism of the Y axis, so that the swinging motion of the connecting rod is converted into unidirectional rotating torque of the Y axis; the two torques on the Y axis are synthesized through a differential torque synthesizer and drive a permanent magnet synchronous generator to generate power;
the raft with single connecting rod is associated with an X-axis Z-axis energy capturing module through a telescopic X-axis Y-axis connecting rod assembly, and the length of the telescopic X-axis Y-axis connecting rod assembly in the X-axis direction is not adjustable according to the wavelength of waves so as to achieve efficient wave energy capturing; the X-axis Z-axis energy capturing module is associated with the double-link raft through the Y-axis Z-axis connecting rod assembly.
The operation principle of the swinging conversion unidirectional rotating mechanism is as follows: the input shaft of the planetary gear transmission mechanism is connected with the connecting rod shaft joint, and the swinging of the connecting rod enables the planetary gear to rotate positively or reversely; the planetary gear is meshed with two groups of input wheels of the swinging conversion unidirectional rotating mechanism at the same time, when the planetary gear rotates positively, the input wheels 2 of the swinging conversion unidirectional rotating mechanism rotate reversely, the overrunning clutch 2 effectively transmits torque and transmits the torque to the coaxial transmission gear 2 and the coaxial output shaft, and meanwhile, the input wheels 1 of the swinging conversion unidirectional rotating mechanism rotate positively, and the overrunning clutch 1 idles; when the planetary gears rotate reversely, the input wheel 2 rotates positively, the overrunning clutch 2 rotates idly, meanwhile, the input wheel 1 rotates reversely, the overrunning clutch 1 effectively transmits torque and transmits the torque to the coaxial transmission gear 1, the transmission gear 1 is meshed with the transmission gear 2, the torque is transmitted to the transmission gear 2 and the output shaft, and therefore swinging motion is converted into unidirectional torque rotation.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention, as well as the preferred embodiments thereof, together with the following detailed description of the invention, given by way of illustration only, together with the accompanying drawings.
Drawings
The invention has 8 drawings, wherein:
fig. 1 is a perspective view of the whole structure of the present invention.
Fig. 2 is a front view and a top view of the overall structure of the present invention.
Fig. 3 is a mechanical sketch of the single link raft of the invention.
Fig. 4 is a mechanical schematic diagram of an X-axis Z-axis energy capture module of the present invention.
FIG. 5 is a mechanical schematic of the Y-axis Z-axis link assembly of the present invention.
Fig. 6 is a mechanical sketch of a double-link raft of the invention.
Fig. 7 is a schematic structural view of a planetary gear transmission mechanism and a swing conversion unidirectional rotation mechanism of the present invention.
Fig. 8 is a schematic view showing the motion of the device according to the present invention in six degrees of freedom.
In the figure: 1. a single-link raft, 2, a telescopic X-axis Y-axis link assembly, 2.1, a Y-axis joint of the telescopic X-axis Y-axis link assembly, 2.2, a Y-axis shaft sleeve of the telescopic X-axis Y-axis link assembly, 2.3, a X-axis joint of the telescopic X-axis Y-axis link assembly, a 3, X-axis Z-axis energy capturing module, 3.1, a bottom shaft seat of the X-axis Z-axis energy capturing module, 4, Y-axis Z-axis link assembly, 4.1, a Y-axis joint of the Y-axis Z-axis link assembly, 4.2, a Y-axis shaft sleeve of the Y-axis Z-axis link assembly, 4.3, a Z-axis joint of the Y-axis Z-axis link assembly, 4.4, a Z-axis shaft sleeve of the Y-axis Z-axis link assembly, 5, a double-link raft, 6.x/6.y, a planetary gear transmission mechanism, 6.1X/6.1Y, an input shaft of a planetary gear transmission mechanism, 6.2, a planet wheel, 6.3, a sun wheel, 7, a swinging conversion unidirectional rotation mechanism, 7.1a, an input gear 1,7.1b, an input gear 2,7.2a, an overrunning clutch 1,7.2b, an overrunning clutch 2,7.3a, a transmission gear 1,7.3b, a transmission gear 2,7.4, an output shaft of the swinging conversion unidirectional rotation mechanism, 8, a permanent magnet generator, 8.1, an input wheel of the permanent magnet generator, 9, a differential torque synthesizer, 9.1, a sun wheel 1,9.2, a sun wheel 2,9.3, an output wheel of the differential torque synthesizer, 10, a Z-axis swinging conversion unidirectional rotation mechanism, 10.1, an input cone 1, 10.2, an X-axis cone 1, 10.3, an X-axis cone 2, 10.4 and an output shaft of the Z-axis swinging conversion unidirectional rotation mechanism.
Detailed Description
A multi-degree of freedom multi-raft wave power generation apparatus as shown in fig. 1 to 8, comprising: the energy-saving raft comprises a single-link raft body (1), a telescopic X-axis Y-axis link assembly (2), an X-axis Z-axis energy capturing module (3), a Y-axis Z-axis link assembly (4) and a double-link raft body (5).
The single link raft 1 comprises: the planetary gear transmission mechanism 6.y is arranged at the geometrical center of the side face of the single-link raft 1 in the Y-axis direction, the planetary gears 6.2 of the planetary gear transmission mechanism 6.y are meshed with the input wheel 7.1a and the input wheel 7.1b of the swing conversion unidirectional rotation mechanism 7 at the same time, and the output shaft 7.4 of the swing conversion unidirectional rotation mechanism 7 is connected with the permanent magnet generator 8 in a shaft way; the input shaft 6.1Y of the planetary gear transmission mechanism 6.y is connected with the Y-axis joint 2.1 of the telescopic X-axis Y-axis connecting rod assembly 2, the Y-axis shaft sleeve 2.2 of the telescopic X-axis Y-axis connecting rod assembly 2 is sleeved on the shaft seat 1.1 of the geometrical center of the opposite side face of the single-link raft 1 in the Y-axis direction, and the telescopic X-axis Y-axis connecting rod assembly 2 can freely swing back and forth around the Y-axis of the single-link raft 1.
The telescopic X-axis Y-axis connecting rod assembly 2 is a Y-shaped universal joint and comprises: the Y-axis joint 2.1, the Y-axis shaft sleeve 2.2 and the X-axis joint 2.3, wherein the geometric length can be changed by stretching in the X-axis direction.
The X-axis Z-axis energy capturing module 3 includes: the planet wheel transmission mechanism 6.X is arranged at the geometric center of the X-axis direction side surface of the X-axis Z-axis conversion and capture module, the planet wheel 6.2 of the planet wheel transmission mechanism 6.X is meshed with the input wheel 7.1a and the input wheel 7.1b of the swinging conversion unidirectional rotation mechanism 7 at the same time, and the output shaft 7.4 of the swinging conversion unidirectional rotation mechanism 7 is in shaft connection with the sun wheel 9.1 of the differential torque synthesizer 9; the input cone pulley 10.1 of the Z-axis swing conversion unidirectional rotating mechanism 10 is meshed with the X-axis cone pulley 10.2 and the X-axis cone pulley 10.3 of the Z-axis swing conversion unidirectional rotating mechanism 10 at the same time, the output shaft 10.4 of the Z-axis swing conversion unidirectional rotating mechanism 10 is in shaft connection with the sun pulley 9.2 of the differential torque synthesizer assembly 9, and the output pulley 9.3 of the differential torque synthesizer assembly 9 is meshed and driven with the input pulley 8.1 of the permanent magnet generator 8; wherein the differential torque combiner assembly 9 is a reverse application of the universal differential assembly; an input shaft 6.1X of the planetary gear transmission mechanism 6.X is connected with an X-axis joint 2.3 of the telescopic X-axis Y-axis connecting rod assembly 2, and the telescopic X-axis Y-axis connecting rod assembly 2 can freely swing back and forth around the X axis of the X-axis Z-axis energy capturing module 3; the Z-axis joint 4.3 of the Y-axis Z-axis connecting rod assembly 4 is in shaft connection with the input cone pulley 10.1, and the Y-axis Z-axis connecting rod assembly 4 can freely swing back and forth around the Z axis of the X-axis Z-axis energy capturing module 3.
Y axle Z axle link assembly 4 is to turn round "H" type universal joint, includes: y-axis joint 4.1 and Y-axis shaft sleeve 4.2, Z-axis joint 4.3 and Z-axis shaft sleeve 4.4.
The double-link raft 5 comprises: the planetary gear transmission mechanism 6.y is arranged at the geometrical center of the side face of the double-link raft 5 in the Y-axis direction, the planetary gears 6.2 of the planetary gear transmission mechanism 6.y are meshed with the input wheel 7.1a and the input wheel 7.1b of the swing conversion unidirectional rotation mechanism 7 at the same time, and the output shaft 7.4 of the swing conversion unidirectional rotation mechanism 7 is in shaft connection with the sun gear 9.1 of the differential torque synthesizer assembly 9; the other set of planetary gear transmission mechanism 6.y which is arranged at the geometrical center of the opposite side face of the Y-axis direction of the double-link raft 5, the planetary gears 6.2 of the planetary gear transmission mechanism 6.y are meshed with the input wheel 7.1a and the input wheel 7.1b of the swinging conversion unidirectional rotation mechanism 7 at the same time, and the output shaft 7.4 of the swinging conversion unidirectional rotation mechanism 7 is in shaft connection with the sun gear 9.2 of the differential torque synthesizer assembly 9; the output wheel 9.3 of the differential torque synthesizer assembly 9 is meshed and driven with the input wheel 8.1 of the permanent magnet generator 8; wherein, the input shaft 6.1Y of one set of planet wheel transmission mechanism 6.y is connected with the Y-axis joint 4.1 of one set of Y-axis Z-axis connecting rod assembly 4, and the Y-axis shaft sleeve 4.2 of the set of Y-axis Z-axis connecting rod 4 is sleeved on the input shaft 6.1Y of the other set of planet wheel transmission mechanism 6.y; similarly, the input shaft 6.1Y of the other set of planetary gear transmission mechanism 6.y is connected with the Y-axis joint 4.1 of the other set of Y-axis Z-axis connecting rod assembly 4, and the Y-axis shaft sleeve 4.2 of the set of Y-axis Z-axis connecting rod assembly 4 is sleeved on the input shaft 6.1Y of the other set of planetary gear transmission mechanism 6.y; the two sets of Y-axis Z-axis connecting rod assemblies 4 can freely swing back and forth around the Y axis of the double-link raft 5.
The planetary gear train 6.X/6.y comprises: the input shaft 6.1x/6.1y, the sun gear 6.3 and two sets of planet gears 6.2, wherein the sun gear 6.3 is connected with the input shaft 6.1x/6.1y, and the two sets of planet gears 6.2 are meshed with the sun gear 6.3 and simultaneously meshed with an input gear 7.1a and an input gear 7.1b of the rocking conversion unidirectional rotation mechanism 7.
The rocking conversion unidirectional rotation mechanism 7 includes: an input gear 7.1a, an input gear 7.1b, an overrunning clutch 7.2a, an overrunning clutch 7.2b, a transmission gear 7.3a, a transmission gear 7.3b and an output shaft 7.4; the input gear 7.1a is coaxially assembled with the outer sleeve of the overrunning clutch 7.2a, the transmission gear 7.3a is coaxially assembled with the inner sleeve of the overrunning clutch 7.2a, and the steering direction of the overrunning clutch 7.2a is clockwise; the input gear 7.1b is coaxially assembled with the outer sleeve of the overrunning clutch 7.2b, the transmission gear 7.3b is coaxially assembled with the inner sleeve of the overrunning clutch 7.2b, and the steering direction of the overrunning clutch 7.2a is anticlockwise; the transmission gear 7.3a is meshed with the transmission gear 7.3b, and the transmission gear 7.3b is connected with the output shaft 7.4.
The Y-axis joint 2.1 of the telescopic X-axis Y-axis connecting rod assembly 2 is connected and assembled with the input shaft 6.1Y of the planetary gear transmission mechanism 6.y in the single-link raft 1, and the Y-axis shaft sleeve 2.2 of the telescopic X-axis Y-axis connecting rod assembly 2 is sleeved and assembled with the shaft seat 1.1 of the single-link raft 1; the X-axis joint 2.3 of the telescopic X-axis Y-axis connecting rod assembly 2 is connected and assembled with the input shaft 6.1X of the planetary gear transmission mechanism 6.X of the X-axis Z-axis energy capturing module 3; the geometric length of the telescopic X-axis Y-axis connecting rod assembly 2 can be changed in a telescopic way in the X-axis direction.
The Z-axis joint 4.3 of the Y-axis Z-axis connecting rod assembly 4 is in shaft connection with the input cone pulley 10.1 of the Z-axis swinging conversion unidirectional rotating mechanism 10 in the X-axis Z-axis energy capturing module 3, and the Z-axis shaft sleeve 4.4 of the Y-axis Z-axis connecting rod assembly 4 is sleeved and assembled with the shaft seat 3.1 at the bottom of the X-axis Z-axis energy capturing module 3; the Y-axis joint 4.1 of the Y-axis Z-axis connecting rod assembly 4 is connected and assembled with the input shaft 6.1Y of the planetary gear transmission mechanism 6.y in the double-link raft 5, and the Y-axis shaft sleeve 4.2 of the Y-axis Z-axis connecting rod assembly 4 is sleeved on the input shaft 6.1Y of the other set of planetary gear transmission mechanism 6.y of the double-link raft 5.
The differential torque combiner assembly 9 includes: the output sun gear 9.1 and the output sun gear 9.2 of the universal differential assembly are set to the two torque input functions, and the input planetary assembly of the universal differential assembly 9 is set to the two torque synthesized output wheel 9.3 functions.
The single-link raft 1 adopts the technical scheme, and the operation principle is as follows: the single-link raft 1 generates pitching, heaving and pitching motions under the wave action, so that the telescopic X-axis Y-axis link assembly 2 performs swinging motions around the Y axis of the single-link raft 1 relative to the single-link raft 1; the planetary gear transmission mechanism 6.y of the Y shaft is matched with the swinging conversion unidirectional rotation mechanism 7, so that swinging motion of the connecting rod is converted into unidirectional rotation torque of the Y shaft and the permanent magnet generator is driven to generate electricity;
the operation principle of the X-axis Z-axis energy capturing module 3 is as follows: the single-link raft 1 is transferred by the telescopic X-axis Y-axis link assembly 2 in a swinging way, or the double-link raft 5 is transferred by the Y-axis Z-axis link assembly 4 in a swinging way, so that the telescopic X-axis Y-axis link assembly 2 swings around the X axis of the X-axis Z-axis energy capturing module 3; the rocking motion of the telescopic X-axis Y-axis connecting rod assembly 2 is converted into unidirectional rotation torque of the X-axis by matching the planetary gear transmission mechanism 6.X of the X-axis with the rocking conversion unidirectional rotation mechanism 7; the single-link raft 1 is subjected to the pitching, swinging and head-swinging motions, and the pitching, swinging and head-swinging motions of the double-link raft 5 are transmitted by the telescopic X-axis Y-axis link assembly 2 or by the Y-axis Z-axis link assembly 4, so that the Y-axis Z-axis link assembly 4 performs swinging motions around the Z axis of the X-axis Z-axis energy capturing module 3; the swinging motion of the Y-axis Z-axis connecting rod assembly 4 is converted into unidirectional rotation torque of the X-axis through the Z-axis swinging conversion unidirectional rotation mechanism 10; the two torques on the X axis are synthesized through a differential torque synthesizer 9 and drive a permanent magnet synchronous generator 8 to generate electricity;
the operation principle of the double-link raft 5 is as follows: the pitching and heaving movement of the single-link raft 1 is transmitted by the telescopic X-axis Y-axis link assembly 2, the X-axis Z-axis energy capturing module 3 and the Y-axis Z-axis link assembly 4, or the pitching movement of the double-link raft 5, so that the Y-axis Z-axis link assembly 4 swings relative to the raft around the Y axis of the double-link raft 5; the planetary gear transmission mechanism 6.y of the Y shaft is matched with the swinging conversion unidirectional rotation mechanism 7, so that swinging motion of the connecting rod is converted into unidirectional rotation torque of the Y shaft; similarly, the swinging motion of the other set of Y-axis Z-axis connecting rod assembly 4 on the double-connecting-rod raft 5 is matched with the swinging conversion unidirectional rotating mechanism 7 through the planetary gear transmission mechanism 6.y of the Y axis, so that the swinging motion of the connecting rod is converted into unidirectional rotating torque of the Y axis; the two torques on the Y axis are synthesized through a differential torque synthesizer assembly 9 and drive a permanent magnet synchronous generator 8 to generate electricity;
the single-link raft 1 is associated with an X-axis Z-axis energy capturing module 3 through a telescopic X-axis Y-axis link assembly 2, and the length of the telescopic X-axis Y-axis link assembly 2 in the X-axis direction can be adjusted according to the wave length of waves so as to achieve efficient wave energy capturing; the X-axis Z-axis energy capturing module 3 is associated with the double-link raft 5 through the Y-axis Z-axis link assembly 4.
The operation principle of the swinging conversion unidirectional rotating mechanism 7 is as follows: the input shaft 6.1x/6.1y of the planetary gear transmission mechanism 6.X/6.y is connected with a connecting rod shaft joint, and the swinging of the connecting rod enables the planetary gear 6.2 to rotate positively or reversely; the planet gears 6.2 are meshed with two groups of input wheels 7.1a/7.1b of the rocking conversion unidirectional rotating mechanism 7 at the same time, when the planet gears 6.2 rotate positively, the input wheels 7.1b of the rocking conversion unidirectional rotating mechanism 7 rotate negatively, and the overrunning clutch 7.2b effectively transmits torque and transmits the torque to the coaxial transmission gear 7.3b and the output shaft 7.4; at the same time, the input wheel 7.1a of the swinging conversion unidirectional rotation mechanism 7 rotates positively, and the overrunning clutch 7.2a does not idle; when the planet wheel 6.2 rotates reversely, the input wheel 7.1b rotates positively, the overrunning clutch 7.2b rotates idly, meanwhile, the input wheel 7.1a rotates reversely, the overrunning clutch 7.2a effectively transmits torque and transmits the torque to the coaxial transmission gear 7.3a, the transmission gear 7.3a is meshed with the transmission gear 7.3b, the torque is transmitted to the transmission gear 7.3b and the output shaft 7.4, and the swinging motion is converted into unidirectional torque rotation.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.
Claims (2)
1. A multi-freedom-degree multi-raft wave energy power generation device is characterized in that: comprises a single-link raft (1), a telescopic X-axis Y-axis link assembly (2), an X-axis Z-axis energy capturing module (3), a Y-axis Z-axis link assembly (4) and a double-link raft (5);
the single link raft (1) comprising: the planetary gear transmission mechanism (6.y) is arranged at the geometrical center of the Y-axis side face of the single-link raft (1), the planetary gear (6.2) of the planetary gear transmission mechanism (6.y) is meshed with the input wheel 1 (7.1 a) and the input wheel 2 (7.1 b) of the swing conversion unidirectional rotation mechanism (7) at the same time, and the output shaft (7.4) of the swing conversion unidirectional rotation mechanism (7) is in shaft connection with the permanent magnet generator (8); the input shaft (6.1Y) of the planet wheel transmission mechanism (6.y) is connected with a Y-axis joint (2.1) of the telescopic X-axis Y-axis connecting rod assembly (2), a Y-axis shaft sleeve (2.2) of the telescopic X-axis Y-axis connecting rod assembly (2) is sleeved on a shaft seat (1.1) of the geometrical center of the opposite side face of the single-axis raft (1) in the Y-axis direction, and the telescopic X-axis Y-axis connecting rod assembly (2) can freely swing back and forth around the Y-axis of the single-axis raft (1);
the telescopic X-axis Y-axis connecting rod assembly (2) is a Y-shaped universal joint and comprises: the Y-axis joint (2.1), the Y-axis shaft sleeve (2.2) and the X-axis joint (2.3), wherein the geometric length can be changed by stretching in the X-axis direction; the Y-axis joint (2.1) of the telescopic X-axis Y-axis connecting rod assembly (2) is connected with the input shaft (6.1Y) of the planetary gear transmission mechanism (6.y) in the single-link raft (1), and the Y-axis shaft sleeve (2.2) of the telescopic X-axis Y-axis connecting rod assembly (2) is sleeved and assembled with the shaft seat (1.1) of the single-link raft (1); an X-axis joint (2.3) of the telescopic X-axis Y-axis connecting rod assembly (2) is connected and assembled with an input shaft (6.1X) of a planetary gear transmission mechanism (6. X) of the X-axis Z-axis energy capturing module (3);
the X-axis Z-axis energy capturing module (3) comprises: the planet wheel transmission mechanism (6. X) is arranged at the geometric center of the X-axis direction side surface of the X-axis Z-axis changing and capturing module, the planet wheel (6.2) of the planet wheel transmission mechanism (6. X) is simultaneously meshed with the input wheel 1 (7.1 a) and the input wheel 2 (7.1 b) of the swinging conversion unidirectional rotation mechanism (7), and the output shaft (7.4) of the swinging conversion unidirectional rotation mechanism (7) is in shaft connection with the sun wheel 1 (9.1) of the differential torque synthesizer (9); the input cone pulley (10.1) of the Z-axis swing conversion unidirectional rotating mechanism (10) is meshed with the X-axis cone pulley 1 (10.2) and the X-axis cone pulley 2 (10.3) of the Z-axis swing conversion unidirectional rotating mechanism (10) at the same time, the output shaft (10.4) of the Z-axis swing conversion unidirectional rotating mechanism (10) is connected with the sun pulley 2 (9.2) of the differential torque synthesizer assembly (9) in an axial manner, and the output pulley (9.3) of the differential torque synthesizer assembly (9) is meshed and transmitted with the input pulley (8.1) of the permanent magnet generator (8); the input shaft (6.1X) of the planet wheel transmission mechanism (6. X) is connected with an X-axis joint (2.3) of the telescopic X-axis Y-axis connecting rod assembly (2), and the telescopic X-axis Y-axis connecting rod assembly (2) can freely swing back and forth around the X axis of the X-axis Z-axis energy capturing module (3); the Z-axis joint (4.3) of the Y-axis Z-axis connecting rod assembly (4) is in shaft connection with the input cone pulley (10.1), and the Y-axis Z-axis connecting rod assembly (4) can freely swing back and forth around the Z axis of the X-axis Z-axis energy capturing module (3);
the Y-axis Z-axis connecting rod assembly (4) is a torsion H-shaped universal joint and comprises: a Y-axis joint (4.1), a Y-axis shaft sleeve (4.2), a Z-axis joint (4.3) and a Z-axis shaft sleeve (4.4); the Z-axis joint (4.3) of the Y-axis Z-axis connecting rod assembly (4) is in shaft connection with an input cone pulley (10.1) of a Z-axis swinging conversion unidirectional rotating mechanism (10) in the X-axis Z-axis energy capturing module (3), and the Z-axis shaft sleeve (4.4) of the Y-axis Z-axis connecting rod assembly (4) is sleeved and assembled with a shaft seat (3.1) at the bottom of the X-axis Z-axis energy capturing module (3); the Y-axis joint (4.1) of the Y-axis Z-axis connecting rod assembly (4) is connected and assembled with the input shaft (6.1Y) of the planetary gear transmission mechanism (6.y) in the double-link raft (5), and the Y-axis shaft sleeve (4.2) of the Y-axis Z-axis connecting rod assembly (4) is sleeved on the input shaft (6.1Y) of the other set of planetary gear transmission mechanism (6.y) of the double-link raft (5);
-said double-link raft (5) comprising: the planetary gear transmission mechanism (6.y) is arranged at the geometrical center of the Y-axis side face of the double-link raft (5), the planetary gear (6.2) of the planetary gear transmission mechanism (6.y) is meshed with the input wheel 1 (7.1 a) and the input wheel 2 (7.1 b) of the swinging conversion unidirectional rotation mechanism (7) at the same time, and the output shaft (7.4) of the swinging conversion unidirectional rotation mechanism (7) is in shaft connection with the sun wheel 1 (9.1) of the differential torque synthesizer assembly (9); the other set of planetary gear transmission mechanism (6.y) is arranged at the geometrical center of the opposite side face of the Y-axis direction of the double-link raft (5), the planetary gears (6.2) of the planetary gear transmission mechanism (6.y) are simultaneously meshed with the input wheel 1 (7.1 a) and the input wheel 2 (7.1 b) of the swinging conversion unidirectional rotation mechanism (7), and the output shaft (7.4) of the swinging conversion unidirectional rotation mechanism (7) is in shaft connection with the sun wheel 2 (9.2) of the differential torque synthesizer assembly (9); the output wheel (9.3) of the differential torque synthesizer assembly (9) is meshed and driven with the input wheel (8.1) of the permanent magnet generator (8); the input shaft (6.1Y) of one set of planetary gear transmission mechanism (6.y) is connected with the Y-axis joint (4.1) of one set of Y-axis Z-axis connecting rod assembly (4), and the Y-axis shaft sleeve (4.2) of the set of Y-axis Z-axis connecting rod (4) is sleeved on the input shaft (6.1Y) of the other set of planetary gear transmission mechanism (6.y); similarly, an input shaft (6.1Y) of the other set of planetary gear transmission mechanism (6.y) is connected with a Y-axis joint (4.1) of the other set of Y-axis Z-axis connecting rod assembly (4), and a Y-axis shaft sleeve (4.2) of the set of Y-axis Z-axis connecting rod assembly (4) is sleeved on the input shaft (6.1Y) of the other set of planetary gear transmission mechanism (6.y); the two sets of Y-axis Z-axis connecting rod assemblies (4) can freely swing back and forth around the Y axis of the double-link raft (5);
the planetary gear transmission (6. X/6.y) comprises: a sun gear (6.3) connected with the input shaft (6.1 x/6.1 y), and two groups of planet gears (6.2) which are meshed with the sun gear (6.3) and simultaneously meshed with an input gear (7.1 a) and an input gear (2.1 b) of the swinging conversion unidirectional rotation mechanism (7) are arranged;
the differential torque synthesizer assembly (9) is: the output sun gear 1 (9.1) and the output sun gear 2 (9.2) of the universal differential assembly are set to be in two torque input functions, and the input planetary assembly of the universal differential assembly is set to be in two torque synthesized output wheel (9.3) functions.
2. A multiple degree of freedom multiple raft wave power generation assembly as claimed in claim 1 wherein: the swing conversion unidirectional rotation mechanism (7) comprises: input gear 1 (7.1 a), input gear 2 (7.1 b), overrunning clutch 1 (7.2 a), overrunning clutch 2 (7.2 b), transmission gear 1 (7.3 a), transmission gear 2 (7.3 b), output shaft (7.4); wherein, the input gear 1 (7.1 a) is coaxially assembled with the outer sleeve of the overrunning clutch 1 (7.2 a), the transmission gear 1 (7.3 a) is coaxially assembled with the inner sleeve of the overrunning clutch 1 (7.2 a), and the steering direction of the overrunning clutch 1 (7.2 a) is clockwise; the input gear 2 (7.1 b) is coaxially assembled with the outer sleeve of the overrunning clutch 2 (7.2 b), the transmission gear 2 (7.3 b) is coaxially assembled with the inner sleeve of the overrunning clutch 2 (7.2 b), and the overrunning clutch 2 (7.2 a) turns anticlockwise; the transmission gear 1 (7.3 a) is meshed with the transmission gear 2 (7.3 b), and the transmission gear 2 (7.3 b) is connected with the output shaft (7.4).
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| AU2909077A (en) * | 1976-09-28 | 1979-03-29 | Australian Inventions Pty Ltd | Wave power generation |
| CN104704234A (en) * | 2012-04-06 | 2015-06-10 | 埃尔金斯公司 | Rpm controlled wind power generation system |
| CN105275725A (en) * | 2015-11-10 | 2016-01-27 | 周建青 | Ocean wave and ocean current composite power generation device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2909077A (en) * | 1976-09-28 | 1979-03-29 | Australian Inventions Pty Ltd | Wave power generation |
| CN104704234A (en) * | 2012-04-06 | 2015-06-10 | 埃尔金斯公司 | Rpm controlled wind power generation system |
| CN105275725A (en) * | 2015-11-10 | 2016-01-27 | 周建青 | Ocean wave and ocean current composite power generation device |
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