CN110469449B - Suspension wave energy power generation device - Google Patents
Suspension wave energy power generation device Download PDFInfo
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- CN110469449B CN110469449B CN201910841058.1A CN201910841058A CN110469449B CN 110469449 B CN110469449 B CN 110469449B CN 201910841058 A CN201910841058 A CN 201910841058A CN 110469449 B CN110469449 B CN 110469449B
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- 238000010248 power generation Methods 0.000 title claims abstract description 68
- 239000000725 suspension Substances 0.000 title claims description 3
- 230000005540 biological transmission Effects 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000006641 stabilisation Effects 0.000 claims description 5
- 238000011105 stabilization Methods 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 abstract description 9
- 230000000087 stabilizing effect Effects 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 12
- 230000008878 coupling Effects 0.000 description 12
- 238000010168 coupling process Methods 0.000 description 12
- 238000005859 coupling reaction Methods 0.000 description 12
- 230000005611 electricity Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 241000272525 Anas platyrhynchos Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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"
- F03B13/20—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" wherein both members, i.e. wom and rem are movable relative to the sea bed or shore
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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)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention relates to the technical field of wave power generation and discloses a suspended wave power generation device, which comprises a floating body, wherein a power generation box is arranged on the floating body, a power generator is arranged in the power generation box, a counterweight is also arranged at the bottom of the floating body, a supporting arm is arranged on the counterweight, a transmission rack is connected on the supporting arm, a transmission mechanism is arranged between the transmission rack and the power generator, a posture stabilizing system is also arranged between the floating body and the counterweight, the posture stabilizing system comprises a supporting frame fixed on the floating body, transverse elastic pieces are connected between the supporting frame and the counterweight in the horizontal direction, and at least three transverse elastic pieces are distributed along the circumferential direction of the counterweight at intervals. The posture stabilizing system is arranged between the floating body and the counterweight, when the floating body swings in the horizontal direction, at least three transverse elastic pieces of the posture stabilizing system can transversely shrink due to the gravity action of the counterweight, so that the transverse movement of the floating body is compensated, interference between the transmission rack and the power generation box is avoided, and the stability of the power generation device is enhanced.
Description
Technical Field
The invention relates to the technical field of wave power generation, in particular to a suspended wave power generation device.
Background
At present, the domestic and foreign wave energy power generation device mainly comprises two parts: the first part is an energy collecting device for collecting kinetic energy and potential energy in sea waves; the second part is an energy conversion device that converts the collected energy into mechanical or electrical energy. At present, the wave energy power generation device at home and abroad mainly comprises an oscillating water column type (OscillatingWaterColumn), an oscillating float type (Buoy), a Pendulum type (penduloum), a Duck type (Duck), a raft type (Raft) and the like.
The application publication number is CN103939271A, the Chinese patent application with application publication date being 2014.07.23 discloses a combined type oscillating buoy wave energy power generation device, the combined type oscillating buoy wave energy power generation device comprises a power generation system and a fixing system, the fixing system comprises a submerged buoy, a fixing frame and a working platform, the fixing frame is fixedly connected to the top of the submerged buoy, and the working platform is arranged at the top of the fixing frame; the power generation system comprises a floater, an energy conversion device and a power generator, wherein the floater is arranged at four corners of a fixing frame, each corner of the fixing frame is provided with three guide rods which are movably connected with the floater, the floater is sleeved on the guide rods and moves up and down along the guide rods, and the three guide rods are arranged in a regular triangle. The energy conversion device comprises a hydraulic motor and four groups of same hydraulic transmission mechanisms which are respectively arranged among three guide rods at each corner of the fixing frame, and the hydraulic motor is arranged on the working platform; the hydraulic transmission mechanism comprises a hydraulic cylinder, an oil pipe and an oil tank.
The three floats of the combined type oscillating float wave energy generating device are respectively arranged on the three guide rods, and generate electricity when the three floats slide on the guide rods, so that the required generated electricity is achieved by increasing the number of the floats. But the power generation conversion efficiency of a single float when floating is low.
The application publication number is CN103089528A, the Chinese patent application of application publication date is 2013.05.08 discloses a double-stroke vibration type wave floater power generation device, the double-stroke vibration type wave floater power generation device comprises a power generation system, a floater and a fixing frame, the fixing frame is of a square structure, the floater is arranged inside the fixing frame, the power generation system is arranged at the top of the fixing frame, the power generation system comprises a conversion device, an accelerating device, an output device and a fixing device, and the conversion device comprises a sliding column A, a sliding column B, a unidirectional gear A, a unidirectional gear B and a main shaft. The sliding column A and the sliding column B are respectively fixed at the central position of the top of the floater, racks are arranged on the inner sides of the sliding column A and the sliding column B, and the sliding column A and the sliding column B are oppositely staggered; the sliding columns A and B respectively penetrate through holes formed in the bearing plate and are distributed on two sides of the main shaft, the sliding columns A are meshed with the unidirectional gear A, and the sliding columns B are meshed with the unidirectional gear B; the unidirectional gear A and the unidirectional gear B are respectively sleeved on the main shaft and are respectively connected with the main shaft through keys, and the steering directions of the unidirectional gear A and the unidirectional gear B are consistent; the tail end of the main shaft is sequentially connected with an accelerating device and an output device; the fixing device comprises a bearing plate and a bearing seat; the bearing plate is fixed at the top of the fixing frame; the bearing plate is provided with a plurality of bearing seats which are fixed on the bearing plate; the main shaft is fixed on the bearing seat through a bearing.
When the floats of the double-stroke vibration wave float power generation device float, the conversion device of the power generation system converts reciprocating motion of the floats into unidirectional continuous rotation of the power generator, and the energy conversion efficiency is improved. However, when the float floats in the ocean, the floating direction is complex and changeable, and the float often floats in the vertical direction and also swings along with the horizontal direction, so that the moving direction of the sliding column of the double-stroke vibration type wave float power generation device deviates from the floating direction of the float to generate interference, the sliding of the sliding column is inconvenient, and the power generation stability of the power generation device is poor.
Disclosure of Invention
The invention aims to provide a suspended wave energy power generation device so as to solve the problem of poor power generation stability of the power generation device in the prior art.
In order to achieve the above purpose, the invention provides a suspended wave energy power generation device, which comprises a floating body, wherein a power generation box is arranged on the floating body, a power generator is arranged in the power generation box, a counterweight is further arranged at the bottom of the floating body, a supporting arm is arranged on the counterweight, a transmission rack is connected to the supporting arm, a transmission mechanism is arranged between the transmission rack and the power generator, a posture stabilizing system is further arranged between the floating body and the counterweight, the posture stabilizing system comprises a supporting frame fixed on the floating body, transverse elastic pieces are connected between the supporting frame and the counterweight in the horizontal direction, and at least three transverse elastic pieces are distributed along the circumferential direction of the counterweight at intervals.
Further, a vertical elastic piece is connected between the supporting frame and the counterweight in the vertical direction.
Further, the supporting frame comprises vertical connecting rods fixed on the floating body and cross beams connected between the vertical connecting rods, and two ends of the vertical elastic piece are respectively connected with the counterweight and the cross beams; and two ends of the transverse elastic piece are respectively connected with the counterweight and the vertical connecting rod.
Further, the vertical connecting rods are four in number and uniformly distributed around the circumference of the floating body at intervals, the cross beams are two in number and are arranged in a cross shape, and the top ends of the vertical elastic pieces are fixed at the crossing positions of the two cross beams.
Further, the supporting arm is in ball joint with the transmission rack.
Further, a reversing device is arranged on the transmission mechanism.
Further, the transmission mechanism comprises two groups of unidirectional gear sets assembled on the power generation box, and the two groups of unidirectional gear sets are opposite in rotation direction and meshed with the transmission racks respectively; the transmission mechanism further comprises a transmission gear assembly in transmission connection with the generator, a reversing idler wheel is connected between one group of unidirectional gear sets and the transmission gear assembly, and the reversing device is formed by the unidirectional gear sets and the reversing idler wheel.
Further, the transmission gear assembly is a speed increasing gear set.
Further, a guide rail matched with the transmission rack in a guiding way is further arranged on the power generation box.
Further, the power generation box is uniformly distributed with at least two at intervals along the circumferential direction of the floating body, the number of the supporting arms is the same as that of the power generation boxes, and each supporting arm is correspondingly connected with a transmission rack respectively.
Further, the transverse elastic pieces are elastic ropes.
Compared with the prior art, the suspended wave energy power generation device provided by the embodiment of the invention has the beneficial effects that: the posture stabilizing system is arranged between the floating body and the counterweight, when the floating body swings in the horizontal direction, at least three transverse elastic pieces of the posture stabilizing system can transversely shrink due to the gravity action of the counterweight, so that the transverse movement of the floating body is compensated, interference between the transmission rack and the power generation box is avoided, and the stability of the power generation device is enhanced.
The embodiment of the invention has the other beneficial effects that the vertical elastic piece can store and release elastic potential energy when the floating body moves vertically, so that the floating body can generate electricity when sinking and floating; the supporting frame adopts a structure of a vertical connecting rod and a cross beam, so that the form of the supporting frame is simplified; the four vertical connecting rods are convenient for assembling the cross beams, and the cross beams are uniformly distributed in weight distribution in a cross arrangement, so that the floating body is uniformly stressed; the supporting arm is in ball hinge joint with the transmission rack, the torsion angle of the ball hinge joint is large, the transmission rack can rotate in multiple directions, the movement of the transmission rack can be ensured when the counterweight is misplaced with the floating body, and the stability is improved; the reversing device converts the reciprocating motion of the floating body into unidirectional continuous rotation of the generator, so that the energy conversion efficiency is improved; the reversing device is formed by a unidirectional gear set and a reversing idler wheel, and has simple structure and convenient assembly; the speed increasing gear set can increase the rotating speed of the rotor generator, so that the power generation conversion efficiency is improved; the guide rail ensures that the ejector rod can vertically and vertically move; the elastic rope has simple structure and light weight.
Drawings
FIG. 1 is a schematic illustration of a suspended wave power generation device in a normal state according to an embodiment of the present invention;
FIG. 2 is a schematic view of a floating body of a suspended wave power generator according to an embodiment of the present invention;
FIG. 3 is a schematic view of a floating body of a suspended wave power generator according to an embodiment of the present invention when the floating body is lowered;
FIG. 4 is a schematic illustration of a transmission mechanism of a suspended wave power generation device according to an embodiment of the present invention;
fig. 5 is an enlarged schematic view of the transmission mechanism of the suspended wave power generation device of fig. 4 at a.
In the figure, 10, a floating body; 20. a counterweight; 30. a support arm; 40. a support frame; 41. a first cross beam; 42. a second cross beam; 43. a first vertical link; 44. a second vertical link; 45. a third vertical link; 46. a fourth vertical link; 50. a posture stabilization system; 51. a first transverse traction elastic cord; 52. a second transverse traction elastic cord; 53. a third transverse traction elastic cord; 54. a fourth transverse traction elastic cord; 60. a vertical elastic rope; 70. a hinge ejector rod propulsion system; 71. a ball hinge; 72. ejector rod, 73, guide rail; 80. a power generation box; 81. a rack; 82. a gear set; 8201. a first one-way bearing gear; 8202. a second one-way bearing gear; 8203. a first one-way bearing coupling gear; 8204. a second one-way bearing coupling gear; 8205. a reversing idler; 8206. a driving wheel; 8207. a first speed increasing gear; 8208 a first step-up coupling gear; 8209. a first bevel gear; 8210. a first bevel gear coupling; 8211. a second bevel gear; 83. a power generation box body; 90. and (5) a generator.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1, a suspended wave power generation device according to a preferred embodiment of the present invention includes a floating body 10, a counterweight 20, a power generation tank 80, a support arm 30, and a transmission rack. The floating body 10 is a combination of a cylinder and a hemisphere, the upper half part of the floating body 10 is a cylinder, the lower half part of the floating body 10 is a hemisphere, and the floating body 10 is of a hollow structure. The counterweight 20 is made of a material with higher density so as to reduce the volume of the counterweight 20 on the premise of ensuring the weight of the counterweight 20, and seawater corrosion-resistant materials are coated on the outer surface of the counterweight 20 so as to reduce the corrosion speed of the counterweight 20 and prolong the service life.
A posture stabilization system 50 is provided between the floating body 10 and the counterweight 20, and the posture stabilization system 50 includes a support frame 40 fixed to the floating body 10. The support frame 40 includes vertical links fixed to the floating body 10 and cross members connected between the vertical links. The number of the cross beams is two, the two cross beams are a first cross beam 41 and a second cross beam 42, and the first cross beam 41 and the second cross beam 42 are arranged in a cross shape. The number of the vertical connecting rods is four, and the four vertical connecting rods are uniformly distributed around the circumference of the floating body 10 at intervals. The four vertical links are a first vertical link 43, a second vertical link 44, a third vertical link 45, and a fourth vertical link 46, respectively. The first beam 41 and the second beam 42 are horizontally and fixedly connected in a crossed manner, two ends of the first beam 41 are respectively connected with the first vertical connecting rod 43 and the third vertical connecting rod 45, two ends of the second beam 42 are respectively connected with the second vertical connecting rod 44 and the fourth vertical connecting rod 46, and the upper ends of the first vertical connecting rod 43, the second vertical connecting rod 44, the third vertical connecting rod 45 and the fourth vertical connecting rod 46 are equidistantly fixed at the circumference of the floating body 10, so that the stress of the floating body 10 can be uniform. The first beam 41, the second beam 42, the first vertical link 43, the second vertical link 44, the third vertical link 45, and the fourth vertical link 46 are all lightweight rigid materials to reduce the weight of the support frame 40.
A lateral elastic member, which is a bungee cord in this embodiment, is connected between the support frame 10 and the counterweight 20, and is arranged in a horizontal direction. The transverse elastic pieces are four in number and uniformly distributed along the circumferential direction of the counterweight 20 at intervals, and comprise a first transverse traction elastic rope 51, a second transverse traction elastic rope 52, a third transverse traction elastic rope 53 and a fourth transverse traction elastic rope 54, one ends of the first transverse traction elastic rope 51, the second transverse traction elastic rope 52, the third transverse traction elastic rope 53 and the fourth transverse traction elastic rope 54 are respectively connected with the circumference of the counterweight 20 at equal intervals, and the other ends of the first transverse traction elastic rope 51, the second transverse traction elastic rope 52, the third transverse traction elastic rope 53 and the fourth transverse traction elastic rope 54 are respectively connected with the lower ends of the first vertical connecting rod 43, the second vertical connecting rod 44, the third vertical connecting rod 45 and the fourth vertical connecting rod 46.
Vertical elastic pieces arranged along the vertical direction are also connected between the supporting frame 10 and the counterweight 20, and in this embodiment, the vertical elastic pieces are vertical elastic ropes 60. The upper end of the vertical elastic cord 60 is connected to the horizontal crossing fixing portion of the first beam 41 and the second beam 42, and the lower end is connected to the upper end of the center of the weight 20. The vertical elastic ropes 60 can store and release elastic potential energy when the floating body 10 moves vertically, so that the floating body 10 can generate electricity when sinking and floating, only one vertical elastic rope 60 is arranged, and the defect that knotting possibly exists among a plurality of elastic ropes is avoided.
The two support arms 30 are arranged coaxially and fixed at two ends of the counterweight 20, and the support arms 30 are rigid arms to increase the structural strength of the support arms 30. The end of the support arm 30 remote from the counterweight 20 is connected to a drive rack 81. A hinge ejector rod pushing system 70 is arranged between the transmission rack 81 and the support arm 30, the hinge ejector rod pushing system 70 comprises a ball hinge 71, an ejector rod 72 and a guide rail 73, one end of the ball hinge 71 is connected with the bottom end of the ejector rod 72, the other end of the ball hinge is connected with the support arm 30, and the side face of the ejector rod 72 is fixedly connected with the transmission rack 81.
The transmission rack 81 is in ball hinge with the support arm 30 through the ejector rod 72 and the ball hinge 71, the ball hinge has a large torsion angle, the transmission rack 81 can rotate in multiple directions, interference with the transmission rack 81 can be avoided when the counterweight 20 is misplaced with the floating body 10, movement of the transmission rack 81 is ensured, and stability is improved. The guide rail 73 is fixed on the power generation boxes at two sides of the floating body 10, the guide rail 73 is in sliding connection with the ejector rod 72, and the guide rail 73 adopts a ball bearing structure, so that the vertical motion of the ejector rod 72 can be ensured.
The two power generation boxes 80 are arranged symmetrically on the floating body 10, the two power generation boxes are respectively corresponding to the two transmission racks 81, the two power generation boxes are respectively provided with a generator 90, the generator 90 is a rotor generator, a rotor shaft is arranged on the generator 90, and a transmission mechanism 82 is arranged between the transmission racks 81 and the rotor shaft of the generator 90. Through holes are respectively formed in the upper and lower panels of the power generation box 83, the racks 81 and the ejector rods 72 penetrate through the through holes of the upper and lower panels of the power generation box 83, and the racks 81 are in transmission meshed connection with the gear set 82 to transmit power to a rotor shaft of the power generator 90.
The transmission mechanism 82 comprises two sets of unidirectional gear sets, a reversing idler gear 8205 and a transmission gear assembly, wherein the two sets of unidirectional gear sets are assembled on the power generation box 80, the rotation directions of the two sets of unidirectional gear sets are opposite and meshed with the transmission rack 81 respectively, the reversing idler gear 8205 is connected with the transmission gear assembly and the unidirectional gear sets, and the transmission gear assembly is in transmission connection with the power generator 90.
The two sets of unidirectional gear sets comprise a first unidirectional bearing gear 8201, a second unidirectional bearing gear 8202, a first unidirectional bearing coupling gear 8203 and a second unidirectional bearing coupling gear 8204, wherein the first unidirectional bearing gear 8201 and the first unidirectional bearing coupling gear 8203 are connected through a rotating shaft to form a set of unidirectional gear sets; the second one-way bearing gear 8202 and the second one-way bearing coupling gear 8204 are connected by a rotating shaft and form another set of one-way gear sets. The rotation directions of the first unidirectional bearing gear 8201 and the second unidirectional bearing gear 8202 are opposite, and the rack 81 is vertically meshed with the first unidirectional bearing gear 8201 and the second unidirectional bearing gear 8202 separately in sequence. The first one-way bearing gear 8201 rotates clockwise to lock the rotation shaft, rotates counterclockwise to idle, and the second one-way bearing gear 8202 rotates clockwise to idle, rotating counterclockwise to lock the rotation shaft.
The transmission gear assembly comprises a transmission wheel 8206, a first speed-increasing gear 8207, a first speed-increasing connecting gear 8208, a first bevel gear 8209, a first bevel gear connecting gear 8210 and a second bevel gear 8211, wherein the first speed-increasing gear 8207 is in transmission engagement connection with the transmission wheel 8206, the first speed-increasing connecting gear 8208 is in transmission engagement connection with the first bevel gear connecting gear 8210, the first bevel gear connecting gear 8210 coaxially rotates with the first bevel gear 8209, the first bevel gear 8209 is in transmission engagement connection with the second bevel gear 8211, and the second bevel gear 8211 is connected with a rotor shaft of the generator 90. The transmission gear component is a speed-increasing gear set, so that the rotating speed of the rotor generator can be increased, and the power generation conversion efficiency is further improved.
The reversing idler 8205 is in meshed transmission connection with a first one-way bearing connecting gear 8203 of the one-way gear set, the reversing idler 8205 is in meshed transmission with a transmission wheel 8206 of the transmission gear assembly, and a second one-way bearing connecting gear 8204 is in meshed transmission with the transmission wheel 8206 of the transmission gear assembly. When the rack 81 moves upwards, the second one-way bearing gear 8202 rotates clockwise to idle, the first one-way bearing gear 8201 rotates clockwise to lock the rotating shaft and rotate coaxially with the first one-way bearing connecting shaft gear 8203, and the reversing wheel 8205 is sequentially pushed to rotate anticlockwise, and the driving wheel 8206 rotates clockwise; when the rack 81 moves downwards, the first one-way bearing gear 8201 rotates anticlockwise and idles, the second one-way bearing gear 8202 rotates anticlockwise and locks the rotating shaft to rotate coaxially with the second one-way bearing coupling gear 8204, and the driving wheel 8206 is pushed to rotate clockwise. That is, when the rack 81 moves up and down, the driving wheel 8206 always keeps clockwise rotation, and further drives the generator 90 to rotate unidirectionally, so that the reciprocating motion of the floating body is converted into unidirectional continuous rotation of the generator, and the energy conversion efficiency is improved. The first one-way bearing gear 8201, the second one-way bearing gear 8202, the first one-way bearing coupling gear 8203, the second one-way bearing coupling gear 8204, and the reversing idler gear 8205 form a reversing device for the transmission 82.
The working process of the invention is as follows: when ocean waves fluctuate, the floating body 10 fluctuates up and down along with the waves, as the supporting frame 40 is fixed on the floating body 10, the counterweight 20 is connected with the supporting frame 40 through the vertical elastic rope 60, the first transverse traction elastic rope 51, the second transverse traction elastic rope 52, the third transverse traction elastic rope 53 and the fourth transverse traction elastic rope 54, the supporting frame 40 also moves up and down along with the floating body, and as the gravity of the counterweight 20 acts, the vertical elastic rope 60 stretches and contracts, the counterweight 20 and the floating body 10 generate relative displacement, so that the ejector rod 72 drives the rack 81 to move up and down in the power generation box 83; when the floating body 10 swings in the horizontal direction, the first transverse traction elastic rope 51, the second transverse traction elastic rope 52, the third transverse traction elastic rope 53 and the fourth transverse traction elastic rope 54 correspondingly stretch and contract to compensate the horizontal displacement difference between the floating body 10 and the counterweight 20, and the ejector rod 72 and the rack 81 move up and down in the power generation box 83 under the guiding action of the guide rail 73 under the action of the ball hinge 71. When the rack 81 moves upwards, the second one-way bearing gear 8202 rotates clockwise to idle, the first one-way bearing gear 8201 rotates clockwise to lock the rotating shaft and rotate coaxially with the first one-way bearing connecting shaft gear 8203, the reversing drop wheel 8205 is sequentially pushed to rotate anticlockwise, the driving wheel 8206 rotates clockwise, and the generator 90 is driven to rotate to generate electricity through the speed increasing function of the driving gear assembly; when the rack 81 moves downwards, the first one-way bearing gear 8201 rotates anticlockwise to idle, the second one-way bearing gear 8202 rotates anticlockwise to lock the rotating shaft and rotate coaxially with the second one-way bearing coupling gear 8204, so as to push the driving wheel 8206 to rotate clockwise, and the generator 90 is driven to rotate to generate electricity through the speed increasing function of the driving gear assembly.
In summary, the embodiment of the invention provides a suspended wave energy power generation device, which utilizes a gesture stabilizing system to compensate the transverse motion of a floating body, avoids interference between a transmission rack and a power generation box, and enhances the stability of the power generation device.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (10)
1. The utility model provides a suspension wave energy power generation device, includes the body, is provided with the power generation box on the body, is provided with the generator in the power generation box, its characterized in that, the bottom of body still is provided with the counter weight, be provided with the support arm on the counter weight, be connected with the drive rack on the support arm, the drive rack with drive mechanism has been arranged between the generator, the body with still be provided with gesture stabilization system between the counter weight, gesture stabilization system is including fixing braced frame on the body, be connected with horizontal elastic component between braced frame and the counter weight in the horizontal direction, horizontal elastic component has at least three and follows the circumference interval distribution of counter weight.
2. The suspended wave power device according to claim 1, wherein a vertical elastic member is connected between the supporting frame and the counterweight in a vertical direction.
3. The suspended wave energy power generation device according to claim 2, wherein the supporting frame comprises vertical connecting rods fixed on the floating body and cross beams connected between the vertical connecting rods, and two ends of the vertical elastic piece are respectively connected with the counterweight and the cross beams; and two ends of the transverse elastic piece are respectively connected with the counterweight and the vertical connecting rod.
4. A suspended wave energy power generation device according to claim 3, wherein the vertical connecting rods are four in total and uniformly distributed around the circumference of the floating body at intervals, the cross beams are two in total and are arranged in a cross shape, and the top ends of the vertical elastic pieces are fixed at the intersection of the two cross beams.
5. The suspended wave power device of any one of claims 1-4, wherein the support arm is ball-hinged to the drive rack.
6. A suspended wave power device according to any one of claims 1-4, characterized in that the transmission is provided with reversing means.
7. The suspended wave power device of claim 6, wherein the transmission mechanism comprises two sets of unidirectional gear sets assembled on the power generation box, the rotation directions of the two sets of unidirectional gear sets are opposite and meshed with the transmission racks respectively; the transmission mechanism further comprises a transmission gear assembly in transmission connection with the generator, a reversing idler wheel is connected between one group of unidirectional gear sets and the transmission gear assembly, and the reversing device is formed by the unidirectional gear sets and the reversing idler wheel.
8. The suspended wave power device of claim 7, wherein the drive gear assembly is a step-up gear set.
9. The suspended wave power device according to any one of claims 1-4, wherein a guide rail is further provided on the power generation box, which guide rail cooperates with the drive rack.
10. The suspended wave power device of any one of claims 1-4, wherein the lateral elastic members are elastic strands.
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| CN201910841058.1A CN110469449B (en) | 2019-09-05 | 2019-09-05 | Suspension wave energy power generation device |
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| CN201910841058.1A CN110469449B (en) | 2019-09-05 | 2019-09-05 | Suspension wave energy power generation device |
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| CN110469449A CN110469449A (en) | 2019-11-19 |
| CN110469449B true CN110469449B (en) | 2024-06-14 |
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| CN110985273B (en) * | 2019-12-13 | 2020-12-11 | 鲁东大学 | Point absorption type wave-activated generator floating body optimization device and optimization method thereof |
| CN111441902A (en) * | 2020-04-07 | 2020-07-24 | 山东科技大学 | Oscillating floating pendulum type wave energy collecting friction power generation device |
| CN112411468B (en) * | 2020-12-08 | 2022-04-01 | 宁波大学 | Flexible floating breakwater |
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