CN220955899U - Rocker arm duckweed structure of ocean wave energy collecting and spreading module - Google Patents
Rocker arm duckweed structure of ocean wave energy collecting and spreading module Download PDFInfo
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- CN220955899U CN220955899U CN202322731064.6U CN202322731064U CN220955899U CN 220955899 U CN220955899 U CN 220955899U CN 202322731064 U CN202322731064 U CN 202322731064U CN 220955899 U CN220955899 U CN 220955899U
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Abstract
The utility model discloses a rocker arm duckweed structure of a sea wave energy collecting and spreading module, which comprises a vibrating duckweed and a power rocker arm; one end of the power rocker is provided with a rocker swing hinge point installation part and a force transmission node for being linked with the power generation module, and the force transmission node takes the rocker swing hinge point installation part as a swing center; the other end of the power rocker arm is hinged with the middle part of the oscillating duckweed. The rocker arm duckweed structure of the ocean wave energy collecting and spreading module provided by the utility model has the advantages of simple structure, low production cost and maintenance cost, convenience in maintenance and long service life.
Description
Technical Field
The utility model relates to the field of ocean wave energy power generation, in particular to a rocker arm duckweed structure of an ocean wave energy collecting and spreading module.
Background
In order to utilize the sea wave energy to the maximum extent, a sea wave energy collecting system needs to be built on a large scale in the future, and therefore, a structure of the sea wave energy collecting system needs to be capable of realizing rapid modular construction.
Through years of research and development, the "ocean energy power generation" project covering the technologies of patents 2021108861066, 2021110153959, 2021108875302, 2021108875302, etc. has been studied (can provide research and development reports) by simulation mathematics at the university of Shanghai transportation. On the basis, a floating spreading type modularized ocean wave energy collecting and generating unit is developed. Wherein the "floating spreading type modular ocean wave energy harvesting and power generation unit" comprises a rocker arm duckweed structure of the ocean wave energy harvesting and spreading module.
The "rocker duckweed structure of a hypotonic energy harvesting and spreading module" needs to achieve the following objectives:
1. And the modular production reduces the manufacturing, installation and maintenance costs.
2. The floating body is in a flat conical shape up and down, so that the resistance of the duckweed to up-down vibration is effectively reduced, and the device is finally embodied as that the travel of the loaded duckweed is longer and the energy collection efficiency is higher.
3. The vibration duckweed is loaded for bidirectional energy collection, so that the energy collection effect is greatly improved.
4. The flexible connection of the freedom degree of the steel tangential belt of the load-carrying oscillating duckweed, the rocker arm and the counterweight buoy enables the system to run durably and stably under severe sea conditions.
5. The rocker arm duckweed is in soft connection with the bidirectional plunger pump through the fluted disc, so that the bidirectional plunger pump is prevented from being hard damaged due to sea wave impact.
The utility model can effectively solve the problems faced by the development and utilization of the current ocean wave energy and paves the way for the large-scale industrial utilization of the ocean wave energy.
Disclosure of utility model
The utility model aims to provide a rocker arm duckweed structure of a sea wave energy collecting and spreading module, which can solve the technical problems.
In order to achieve the above purpose, the utility model provides a rocker arm duckweed structure of a sea wave energy collecting and spreading module, which comprises an oscillating duckweed and a power rocker arm; one end of the power rocker is provided with a rocker swing hinge point installation part and a force transmission node for being linked with the power generation module, and the force transmission node takes the rocker swing hinge point installation part as a swing center; the other end of the power rocker arm is hinged with the middle part of the oscillating duckweed.
As a further improvement of the utility model, the oscillating duckweed comprises a first floating body shell provided with a hollow inner cavity and a first embedded skeleton; one end of the power rocker arm is hinged with the first embedded framework; the two sides of the bottom of the first floating body shell are respectively provided with a floating body wave-facing cambered surface, and the floating body wave-facing cambered surfaces on the two sides are respectively positioned on the two sides of the hinge point of the power rocker arm and the first embedded framework.
As a further improvement of the utility model, a first floating body inner structure grid plate which divides the inner cavity of the first floating body shell into a plurality of first weight grids and first buoyancy grids is arranged in the first floating body shell; the first balance weight lattice is positioned in the middle of the inner cavity of the first floating body shell, and the first buoyancy lattice is positioned in the outer part of the inner cavity of the first floating body shell.
As a still further improvement of the present utility model, the first embedded skeleton includes a first transverse skeleton and a first vertical skeleton connected; a skeleton-wrapping stiffening rib plate is arranged in the inner cavity of the first floating body shell, and the skeleton-wrapping stiffening rib plate wraps the outer side of the first transverse skeleton; one end of the first vertical framework extends out of the first floating body shell and is hinged with one end of the power rocker arm.
As a further improvement of the utility model, the force transmission joint is provided with a force transmission fluted disc for being linked with the power generation module, and the force transmission fluted disc takes the rocker arm swing hinge point installation part as a swing center.
As a further improvement of the utility model, the power rocker arm comprises a rocker arm main frame, wherein the rocker arm swing hinge point installation part and the force transmission node are arranged at one end of the rocker arm main frame, and the other end of the rocker arm main frame is hinged with the middle part of the oscillating duckweed; the rocker arm main frame is connected with a first duckweed limiting part and a second duckweed limiting part through a duckweed limiting part connecting rod, and the first duckweed limiting part and the second duckweed limiting part are respectively positioned at two sides of a hinge point of the rocker arm main frame and the oscillating duckweed.
As a further improvement of the utility model, the rocker arm main frame is also provided with a rocker arm elevation angle limiting fulcrum and a rocker arm depression angle limiting fulcrum.
As a further improvement of the utility model, the hinge point of the power rocker arm and the oscillating duckweed is positioned above the oscillating duckweed; the top of the first floating body shell of the oscillating duckweed is provided with a floating body upper inclined plane, and the hinge point of the power rocker arm and the oscillating duckweed is positioned at the highest point of the floating body upper inclined plane.
Advantageous effects
The rocker arm duckweed structure of the ocean wave energy collecting and spreading module has the advantages that:
1. The oscillating duckweed is hinged with the power rocker arm, the power rocker arm can bear larger impact force, the structure is simple, the modular production is realized, the manufacturing, mounting and maintenance costs are reduced, and the service life is long. In addition, the oscillating duckweed is hinged with the power rocker arm, so that the oscillating duckweed can be ensured to swing to any angle within a certain range, the oscillating duckweed can be basically horizontally arranged, the contact area between the oscillating duckweed and the water surface is ensured to be the largest, and the efficiency of converting the sea wave energy into the mechanical energy is high.
2. When the first embedded framework can ensure that the first floating body shell is lighter in weight, the whole vibrating duckweed still has larger strength, and the service life of the vibrating duckweed is prolonged.
3. The arrangement of the wave-facing cambered surface of the floating body is beneficial to the upward floating of the oscillating duckweed when encountering transverse waves, and the probability that the oscillating duckweed cannot normally float due to being pressed into the water surface by sea waves is reduced.
4. By putting proper weights (such as water or solid weights) into the first weight lattice, the integral mass of the oscillating duckweed can be adjusted, so that the most proper water entering depth can be conveniently selected, and the oscillating duckweed can do work bidirectionally when the oscillating duckweed fluctuates along with sea waves, and the energy collecting efficiency is further improved.
5. The rack can be driven to reciprocate through the reciprocating swing of the force transmission fluted disc, so that the piston of the toothed bar bidirectional plunger pump is driven to work, hydraulic oil is pressurized by the piston, and the hydraulic oil drives the power generation module to generate power. The process can drive the power generation module to generate power no matter the vibration duckweed rises or falls, and the power generation efficiency is high.
6. The swing amplitude of the swing arm elevation angle limiting fulcrum and the swing arm depression angle limiting fulcrum on the swing arm main frame can be limited, and the first duckweed limiting part and the second duckweed limiting part can also limit the swing amplitude of the oscillating duckweed.
7. The hinged point of the power rocker arm and the oscillating duckweed is positioned above the oscillating duckweed, so that the power rocker arm is prevented from being soaked in seawater, the corrosion rate of the power rocker arm by the seawater is reduced, and the service life is prolonged.
The utility model will become more apparent from the following description taken in conjunction with the accompanying drawings which illustrate embodiments of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of an oscillating duckweed;
FIG. 2 is a front view of an oscillating duckweed;
FIG. 3 is a side view of an oscillating duckweed;
FIG. 4 is a view A-A of FIG. 1;
FIG. 5 is a B-B view of the male part 2;
FIG. 6 is a front view of a power rocker arm;
FIG. 7 is a top view of a power rocker arm;
FIG. 8 is a lifted state view of duckweed;
FIG. 9 is a state diagram of duckweed in a neutral position;
fig. 10 is a descending state diagram of duckweed.
Detailed Description
Embodiments of the present utility model will now be described with reference to the accompanying drawings.
Examples
Embodiments of the utility model as shown in fig. 1-9, the rocker arm duckweed structure of the ocean wave energy collection spreading module comprises an oscillating duckweed 1 and a power rocker arm 2. One end of the power rocker arm 2 is provided with a rocker arm swing hinge point mounting part 23 and a force transmission node for being linked with the power generation module, wherein the force transmission node takes the rocker arm swing hinge point mounting part 23 as a swing center. The other end of the power rocker arm 2 is hinged with the middle part of the oscillating duckweed 1.
The oscillating duckweed 1 comprises a first floating body shell 11 provided with a hollow inner cavity and a first embedded skeleton 12. One end of the power rocker arm 2 is hinged with the first embedded framework 12. The two sides of the bottom of the first floating body shell 11 are respectively provided with a floating body wave-facing cambered surface 112, the floating body wave-facing cambered surfaces 112 on the two sides are respectively positioned on two sides of the hinging point of the power rocker arm 2 and the first embedded skeleton 12, specifically, the first floating body shell 11 is formed into a front arc-shaped tip body and a rear arc-shaped tip body so as to reduce impact damage of waves, and meanwhile, part of horizontal impact energy is converted into vibration of duckweed, and finally, the duckweed is durable and has higher energy collecting efficiency.
The hinge point of the power rocker arm 2 and the oscillating duckweed 1 is positioned above the oscillating duckweed 1. The top of the first floating body shell 11 of the oscillating duckweed 1 is provided with a floating body upper inclined plane 111, and the hinge point of the power rocker arm 2 and the oscillating duckweed 1 is positioned at the highest point of the floating body upper inclined plane 111. The floating body is flat cone up and down, the upper inclined plane 111 is an inclined plane with a certain drainage gradient (generally 3%), and the lower part is a flat arc conical surface. The design can effectively reduce the resistance of the duckweed to up-and-down vibration, and finally shows that the travel of the loaded duckweed is longer and the energy collection efficiency is higher.
The first floating body shell 11 is internally provided with a first floating body inner structure grid plate 13 which divides the inner cavity of the first floating body shell into a plurality of first weight grids 15 and first buoyancy grids 16. The first weight cell 15 is located in the middle of the inner cavity of the first floating body shell 11, and the first buoyancy cell 16 is located in the outer portion of the inner cavity of the first floating body shell 11. In this embodiment, the first weight cell 15 is filled with water and may be filled with a solid weight. A waterproof foam is provided in the first buoyancy grid 16 to prevent deformation. The first floating body shell 11 and the first floating body inner structure grid 13 are made of corrosion-resistant plastics as main structure materials.
The vibration duckweed 1 passes through the counter weight, so that the buoyancy when the whole vibration duckweed 1 is totally submerged is equal to the weight when the whole duckweed is completely separated from the water surface, and the function of bidirectionally equivalent acting is realized.
The first in-line skeleton 12 includes a first lateral skeleton 122 and a first vertical skeleton 121 connected. The first transverse skeleton 122 and the first vertical skeleton 121 of the first embedded skeleton 12 are made of square steel, and concrete is poured into the pipes. The surface of the pipe should be treated with anti-corrosion treatment, and concrete is filled in the pipe to increase the rigidity of the pipe. First lateral skeleton 122 is positioned in the center of the duckweed.
The inner cavity of the first floating body shell 11 is provided with a skeleton-wrapping stiffening rib plate 14, and the skeleton-wrapping stiffening rib plate 14 wraps the outer side of the first transverse skeleton 122 to transfer huge loads of duckweed. One end of the first vertical skeleton 121 extends out of the first floating body shell 11 and is hinged with one end of the power rocker arm 2. In this embodiment, the first vertical skeleton 121 is provided with a connecting shaft hole 1211, one end of the rocker arm main frame 21 is provided with a connecting hole 22, and the first rotating shaft passes through the connecting shaft hole 1211 of the oscillating duckweed 1 and the connecting hole 22 of the rocker arm main frame 21, so that the duckweed can have a certain degree of freedom in rotation relative to the rocker arm, and the impact of large waves can be greatly buffered, and the running stability and durability of the duckweed can be improved. Wherein, be equipped with first polytetrafluoroethylene lantern ring between connecting hole 22 inner wall and the first pivot, reduce frictional resistance and improve movable part durability.
The force transmission joint is provided with a force transmission fluted disc 24 for being linked with the power generation module, and the force transmission fluted disc 24 takes a rocker arm swing hinge point installation part 23 as a swing center. In this embodiment, the rocker swing hinge point mounting portion 23 is a rocker swing connecting hole, and the second rotating shaft passes through the rocker swing hinge point mounting portion 23 and is connected with the spreading steel gantry module 4, so that the power rocker 2 can swing up and down around the spreading steel gantry module 4. A second polytetrafluoroethylene lantern ring 231 is arranged between the inner wall of the rocker arm swing connecting hole of the rocker arm swing hinge point mounting part 23 and the second rotating shaft, and has a lubricating effect. The bottom of the spreading steel keel frame module 4 is connected with a counterweight pontoon 5, and the counterweight pontoon 5 floats on the sea surface to support the spreading steel keel frame module 4.
The power rocker arm 2 comprises a rocker arm main frame 21, a rocker arm swing hinge point mounting part 23 and a force transmission node are arranged at one end of the rocker arm main frame 21, and the other end of the rocker arm main frame 21 is hinged with the middle part of the oscillating duckweed 1. The rocker arm main frame 21 is connected with a first duckweed limiting part 28 and a second duckweed limiting part 29 through a duckweed limiting part connecting rod 27, and the first duckweed limiting part 28 and the second duckweed limiting part 29 are respectively positioned on two sides of a hinge point of the rocker arm main frame 21 and the oscillating duckweed 1. The rocker arm main frame 21 adopts a steel frame structure, concrete is poured into the steel tube to improve the rigidity of the pipe fitting, and the construction cost is reduced under the condition of the same performance. The rocker arm main frame 21 is a long triangle steel frame force transmission mechanism. The first duckweed limiting part 28 and the second duckweed limiting part 29 are limiting cylinders. The duckweed limiting cylinder limits the rotation of the duckweed to a certain range, and damage caused by excessive rotation of the duckweed is prevented.
The rocker arm main frame 21 is also provided with a rocker arm elevation angle limit fulcrum 25 and a rocker arm depression angle limit fulcrum 26, the rocking angle of the rocker arm is controlled within a design range, and folding rolling damage between duckweed and the spreading steel gantry module 4 is prevented under limit conditions. When the oscillating duckweed 1 drives the rocker arm main frame 21 to swing upwards to a preset maximum angle under the action of sea waves, the concave surface on the rocker arm elevation angle limiting fulcrum 25 is propped against the side wall of the first circular tube 41 arranged on the spreading steel dragon frame module 4, so that the rocker arm main frame 21 is prevented from swinging upwards further, as shown in fig. 8; the oscillating duckweed 1 descends along with the sea wave, when the rocker arm main frame 21 swings downwards to a preset maximum angle, the concave surface on the rocker arm depression angle limiting pivot 26 abuts against the side wall of the second round tube 42 on the spreading steel dragon frame module 4, and further downward swinging of the rocker arm main frame 21 is prevented, as shown in fig. 10.
In this embodiment, the power generation module uses a high-pressure oil generator (not shown). The top of the spreading steel keel frame module 4 is provided with a toothed bar bidirectional plunger pump 3. The power rocker arm 2 is used for efficiently and stably transmitting the mechanical energy of the oscillating duckweed to the toothed bar bidirectional plunger pump 3 in a complex and changeable marine environment. The toothed bar bidirectional plunger pump 3 comprises a bidirectional rack push-pull rod 32 capable of reciprocating along a straight line and two straight plug pump cylinder bodies 31 symmetrically arranged and installed on the spreading steel keel frame module 4, and two ends of the bidirectional rack push-pull rod 32 are respectively in movable fit with the two straight plug pump cylinder bodies 31. The force transmitting toothed disc 24 engages teeth on the bi-directional rack push-pull rod 32. The duckweed is in soft connection with the toothed disc and the toothed bar bidirectional plunger pump 3, so that the toothed bar bidirectional plunger pump 3 is prevented from being subjected to hard damage caused by sea wave impact. When the force transmission fluted disc 24 swings reciprocally due to the lifting of the oscillating duckweed 1, the bidirectional rack push-pull rod 32 is driven to do linear reciprocating movement, hydraulic oil in the two straight plug pump cylinder bodies 31 is alternately pressurized, and high-pressure hydraulic oil is conveyed to a high-pressure oil generator to realize the function of generating electricity.
In addition, the force transmission fluted disc 24 can also directly drive the generator to generate electricity through the swing of the force transmission fluted disc.
The utility model has been described in connection with the preferred embodiments, but the utility model is not limited to the embodiments disclosed above, but it is intended to cover various modifications, equivalent combinations according to the essence of the utility model.
Claims (7)
1. The rocker arm duckweed structure of the sea wave energy collecting and spreading module is characterized by comprising an oscillating duckweed (1) and a power rocker arm (2); one end of the power rocker arm (2) is provided with a rocker arm swing hinge point mounting part (23) and a force transmission node for being linked with the power generation module, and the force transmission node takes the rocker arm swing hinge point mounting part (23) as a swing center; the other end of the power rocker arm (2) is hinged with the middle part of the oscillating duckweed (1).
2. The rocker duckweed structure of a hypotonic energy harvesting and spreading module according to claim 1, wherein said oscillating duckweed (1) comprises a first floating body housing (11) provided with a hollow inner cavity and a first embedded skeleton (12); one end of the power rocker arm (2) is hinged with the first embedded framework (12); the two sides of the bottom of the first floating body shell (11) are respectively provided with a floating body wave-facing cambered surface (112), and the floating body wave-facing cambered surfaces (112) at the two sides are respectively positioned at the two sides of the hinging point of the power rocker arm (2) and the first embedded skeleton (12).
3. Rocker arm duckweed structure of a hypotonic energy collecting and spreading module according to claim 2, characterized in that said first floating body housing (11) is internally provided with a first floating body inner structure lattice plate (13) dividing its inner cavity into a number of first weight lattices (15) and first buoyancy lattices (16); the first balance weight lattice (15) is positioned in the middle of the inner cavity of the first floating body shell (11), and the first buoyancy lattice (16) is positioned at the outer part of the inner cavity of the first floating body shell (11).
4. A rocker duckweed structure of a hypothalamic energy collection spreading module according to claim 2 or 3, wherein said first in-line skeleton (12) comprises a first transversal skeleton (122) and a first vertical skeleton (121) connected; a skeleton-wrapping stiffening rib plate (14) is arranged in the inner cavity of the first floating body shell (11), and the skeleton-wrapping stiffening rib plate (14) wraps the outer side of the first transverse skeleton (122); one end of the first vertical framework (121) extends out of the first floating body shell (11) and is hinged with one end of the power rocker arm (2).
5. The rocker arm duckweed structure of the ocean wave energy collecting and spreading module according to claim 1, wherein the force transmission node is provided with a force transmission fluted disc (24) for being linked with the power generation module, and the force transmission fluted disc (24) takes the rocker arm swing hinge point mounting part (23) as a swing center.
6. The rocker duckweed structure of the ocean wave energy collecting and spreading module according to claim 1, wherein the power rocker (2) comprises a rocker main frame (21), the rocker swing hinge point mounting part (23) and the force transmission node are arranged at one end of the rocker main frame (21), and the other end of the rocker main frame (21) is hinged with the middle part of the oscillating duckweed (1); the rocker arm main frame (21) is connected with a first duckweed limiting part (28) and a second duckweed limiting part (29) through a duckweed limiting part connecting rod (27), and the first duckweed limiting part (28) and the second duckweed limiting part (29) are respectively positioned at two sides of a hinge point of the rocker arm main frame (21) and the oscillating duckweed (1).
7. The rocker duckweed structure of the ocean wave energy collecting and spreading module according to claim 6, wherein the rocker main frame (21) is further provided with a rocker elevation limit fulcrum (25) and a rocker depression limit fulcrum (26).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322731064.6U CN220955899U (en) | 2023-10-12 | 2023-10-12 | Rocker arm duckweed structure of ocean wave energy collecting and spreading module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322731064.6U CN220955899U (en) | 2023-10-12 | 2023-10-12 | Rocker arm duckweed structure of ocean wave energy collecting and spreading module |
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| CN202322731064.6U Active CN220955899U (en) | 2023-10-12 | 2023-10-12 | Rocker arm duckweed structure of ocean wave energy collecting and spreading module |
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2023
- 2023-10-12 CN CN202322731064.6U patent/CN220955899U/en active Active
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