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CN111670850A - Net cage capable of being lifted quickly - Google Patents

Net cage capable of being lifted quickly Download PDF

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Publication number
CN111670850A
CN111670850A CN202010560838.1A CN202010560838A CN111670850A CN 111670850 A CN111670850 A CN 111670850A CN 202010560838 A CN202010560838 A CN 202010560838A CN 111670850 A CN111670850 A CN 111670850A
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CN
China
Prior art keywords
piston
piston cylinder
cavity
net cage
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010560838.1A
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Chinese (zh)
Other versions
CN111670850B (en
Inventor
桂福坤
冯德军
张华�
高阳
王萍
孙孟
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Zhejiang Ocean University ZJOU
Original Assignee
Zhejiang Ocean University ZJOU
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Priority to CN202010560838.1A priority Critical patent/CN111670850B/en
Publication of CN111670850A publication Critical patent/CN111670850A/en
Application granted granted Critical
Publication of CN111670850B publication Critical patent/CN111670850B/en
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00—Culture of aquatic animals
    • A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
    • F03B13/1845—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom slides relative to the rem
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
    • F04B9/123—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber
    • 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
    • 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
    • F05B2260/00—Function
    • F05B2260/40—Transmission of power
    • F05B2260/403—Transmission of power through the shape of the drive components
    • F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/60—Fishing; Aquaculture; Aquafarming

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention provides a quick-lifting net cage, and belongs to the technical field of net cages. The invention comprises a net cage body and a plurality of lifting devices, wherein the plurality of lifting devices are arranged on the net cage body, each lifting device comprises a first piston cylinder, a first piston, a second piston cylinder, a piston rod, a driving mechanism, a water inlet and outlet mechanism and an air inlet and outlet mechanism, the first piston cylinder is fixedly arranged on the net cage body, the first piston is slidably arranged in the first piston cylinder, the second piston cylinder is fixedly arranged below the first piston cylinder, the piston rod is slidably arranged at the upper end of the second piston cylinder, the lower end of the piston rod is fixedly provided with the second piston, the upper end of the piston rod is fixedly connected with the first piston, the second piston divides the interior of the second piston cylinder into an upper cavity and a lower cavity, the driving mechanism can push the first piston to slide up and down, the water inlet and outlet mechanisms can control water inlet and outlet of a water storage cavity, and the air inlet. The invention can rapidly lift the net cage according to the sea condition, and improve the wind wave resistance.

Description

Net cage capable of being lifted quickly
Technical Field
The invention belongs to the technical field of net cages, and relates to a quick-lifting net cage.
Background
Cage culture is an intensive aquaculture technology, and the cage culture is widely applied to fish culture.
The cage culture is developed vigorously, and the development of the offshore cage culture is greatly promoted by a plurality of national and provincial projects. The water is cultured in open sea areas, the water quality is stable, the water volume is large, the water exchange is rapid, the residual feed and the excrement are not easy to accumulate at the bottom of the net cage, and the water pollution can be avoided. But the open sea area is lack of shielding, and the tidal current is strong, for example, the characteristic flow velocity of the open sea area in the east sea area can reach more than 1.0 m/s, and the partial area can reach 1.5 m/s. The deep water net cage which is mainstream in China is difficult to resist strong current impact, and the culture volume loss is serious. On the other hand, the cultured object is difficult to resist the continuous impact of the water flow of more than 1.0 m/s for a long time, and is extremely easy to cause fatigue death.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a quick-lifting net cage which can be quickly lifted according to sea conditions and can improve the wind and wave resistance.
The purpose of the invention can be realized by the following technical scheme:
a quick-rise and fall cage comprising: the net cage body sequentially comprises an upper conical part, a straight part and a lower conical part from top to bottom, and the cross section of the straight part is in a regular polygon shape;
a plurality of elevating gear, a plurality of elevating gear sets up respectively on each dog-ear of straight portion, elevating gear has: the first piston cylinder is fixedly arranged on the break angle of the straight part, and the length direction of the first piston cylinder is consistent with that of the straight part; the first piston is arranged in the first piston cylinder in a sliding mode, and the first piston divides the interior of the first piston cylinder into an installation cavity and a water storage cavity from top to bottom; the second piston cylinder is coaxially and fixedly arranged below the first piston cylinder; the piston rod is arranged at the upper end of the second piston cylinder in a sliding mode, the lower end of the piston rod extends into the second piston cylinder, a second piston is fixedly arranged at the end part of the piston rod, the upper end of the piston rod extends into the water storage cavity, the end part of the piston rod is fixedly connected with the first piston, and the second piston divides the interior of the second piston cylinder into an upper cavity and a lower cavity from top to bottom; the driving mechanism is arranged in the mounting cavity and can push the first piston to slide up and down; the water inlet and outlet mechanism is arranged in the water storage cavity and can control the water inlet and outlet of the water storage cavity by moving the first piston up and down; and the air intake and exhaust mechanism is arranged on the second piston cylinder and can control the air intake and exhaust of the upper cavity and the lower cavity by moving up and down through the second piston.
In the above described net cage for rapid ascending and descending, the driving mechanism includes:
the elastic telescopic air bag is fixedly arranged between the first piston and the mounting cavity;
the first return spring is vertically and fixedly arranged in the elastic telescopic air bag;
and the pressurizing air pump is arranged on the net cage body and is communicated with the elastic telescopic air bag through a hose.
In the above fast-lifting net cage, the water inlet and outlet mechanism includes:
the water inlet structure is arranged on the first piston cylinder, and when the first piston slides upwards, the water inlet structure can pump water from the outside to the water storage cavity;
the water outlet structure is arranged on the first piston cylinder, and when the first piston slides downwards, the water outlet structure can discharge water in the water storage cavity to the outside.
In the above-mentioned net cage capable of rapidly ascending and descending, the water inlet structure includes:
the second through hole is formed in the lower end of the first piston cylinder and communicated with the water storage cavity;
the second cover plate is hinged to a second through hole in the water storage cavity through a second hinge shaft, and the second hinge shaft is horizontally arranged above the second through hole.
In the above-mentioned net cage capable of rapidly ascending and descending, the water outlet structure includes:
the first through hole is formed in the lower end of the first piston cylinder and communicated with the water storage cavity;
the first cover plate is hinged to a first through hole located outside the first piston cylinder through a first hinge shaft, and the first hinge shaft is horizontally arranged above the first through hole.
In the above mentioned net cage capable of being lifted and lowered quickly, the air intake and exhaust mechanism comprises:
the two floating blocks are movably arranged on two sides of the first piston cylinder respectively through two connecting structures, the connecting structures can enable the floating blocks and the first piston cylinder to slide relatively, gooseneck bends are arranged on the upper side faces of the two floating blocks, and the booster pump is fixedly arranged on the floating blocks;
one end of the first air pipe is fixedly connected with the second piston cylinder, the first air pipe is communicated with the upper cavity, and the other end of the first air pipe is communicated with the lower end of one of the gooseneck bent pipes;
and one end of the second air pipe is fixedly connected with the second piston cylinder, the second air pipe is communicated with the lower cavity, and the other end of the second air pipe is communicated with the lower end of the other gooseneck elbow.
In the above-mentioned net cage capable of being lifted and lowered quickly, the connection structure includes:
the sleeve is vertically and fixedly arranged on the outer side of the first piston cylinder through a connecting block;
the sliding rod is arranged in the sleeve in a sliding mode, the upper end of the sliding rod is fixedly connected with the floating block, an upper convex edge is arranged on the sliding rod above the sleeve, and a lower convex edge is arranged on the sliding rod below the sleeve;
the power generation structure is arranged on the connecting block and can utilize the relative sliding of the sleeve and the sliding rod to generate power.
In the above-mentioned net cage capable of being lifted and lowered quickly, the power generation structure includes:
the sliding groove is arranged on the inner side wall of the sleeve in a penetrating manner along the length direction;
the rack is fixedly arranged on the sliding rod along the length direction and is inserted into the sliding groove;
the generator is fixedly arranged on the connecting block through the base, a gear is fixedly arranged on an output shaft of the generator, and the gear is meshed with the rack.
In the above-mentioned net cage capable of rapidly lifting, a counterweight ball is fixedly arranged at the lower end of the slide bar.
In the above-mentioned net cage capable of rapidly lifting, a storage battery is arranged on the floating block, and the generator is electrically connected with the storage battery.
Compared with the prior art, the invention has the following advantages:
1. when sea stormy waves are large, the driving mechanism is started to push the first piston to slide upwards, meanwhile, the water quantity in the water storage cavity is increased through the water inlet and outlet mechanism, the first piston drives the second piston to move upwards through the piston rod, the pressure in the upper cavity is increased, negative pressure is generated in the lower cavity, air in the upper cavity is exhausted through the air inlet and outlet mechanism, meanwhile, outside air is sucked into the lower cavity, the pressure balance between the upper cavity and the lower cavity is kept, the first piston is ensured to slide upwards smoothly, the water quantity in the water storage cavity is increased, the buoyancy of the net cage body is reduced, the net cage body submerges downwards, and the stormy wave resistance is enhanced; after stormy waves, the driving mechanism is started to push the first piston to slide downwards, meanwhile, the water quantity in the water storage cavity is reduced through the water inlet and outlet mechanism, the first piston drives the second piston to move downwards through the piston rod, the pressure in the lower cavity is increased, negative pressure is generated in the upper cavity, air in the lower cavity is discharged through the air inlet and outlet mechanism, and meanwhile, outside air is sucked into the upper cavity, so that the upper cavity and the lower cavity are kept in pressure balance, smooth downward sliding of the first piston is ensured, the water quantity in the water storage cavity is reduced, the buoyancy of the net cage body is increased, the net cage body floats upwards, water flow in the net cage body is accelerated, and the culture environment is improved;
2. when the water storage capacity in the water storage cavity needs to be reduced, the pressurization air pump is started to inflate the elastic telescopic air bag, the elastic telescopic air bag is inflated to expand downwards to push the first piston to slide downwards, the first return spring is stretched, when the water storage capacity in the water storage cavity needs to be increased, the pressurization air pump is started to pump out the air in the elastic air bag, the elastic telescopic air bag is contracted upwards, and meanwhile, the first piston is accelerated to slide upwards under the action of the first return spring, so that the operation is simple;
3. when the first piston slides upwards, negative pressure is formed in the water storage cavity, the water outlet structure is closed, the water inlet structure is opened, water is pumped into the water storage cavity from the outside, the water storage amount in the water storage cavity is increased, when the first piston slides downwards, the pressure in the water storage cavity is increased, the water inlet structure is closed, the water outlet structure is opened, and water in the water storage cavity is discharged to the outside;
4. because the second cover plate is arranged on the second through hole in the water storage cavity, when the first piston slides upwards, negative pressure is formed in the water storage cavity, outside water impacts the second through hole, the second cover plate rotates inwards, the second through hole is opened, water flows into the water storage cavity, the water storage capacity of the water storage cavity is increased, the weight of the net cage body is improved, the net cage body dives, and wind and wave are avoided, so that the net cage is safe and reliable;
5. because the first cover plate is arranged on the first through hole positioned outside the first piston cylinder, when the first piston slides downwards, the pressure in the water storage cavity is increased, water in the water storage cavity impacts the first through hole, the first cover plate rotates outwards, the first through hole is opened, water is discharged out of the water storage cavity, the water storage amount of the water storage cavity is reduced, the weight of the net cage body is reduced, the net cage body floats upwards, the culture condition in the net cage can be clearly observed, and the fishing is facilitated;
6. when the first piston slides upwards, the piston rod drives the second piston to slide upwards, the pressure in the upper cavity is increased, the gas in the upper cavity is discharged through the first gas pipe, negative pressure is formed in the lower cavity, and the gas is pumped from the outside to the lower cavity through the second gas pipe; when the first piston slides downwards, the piston rod drives the second piston to slide downwards, the pressure in the lower cavity is increased, the gas in the lower cavity is discharged through the second air pipe, negative pressure is formed in the upper cavity, the air is pumped from the outside to the upper cavity through the first air pipe, the first air pipe and the second air pipe are ensured to be communicated with the outside air all the time because the two floating blocks float on the water surface, the second piston can slide up and down smoothly, and the first air pipe and the second air pipe are ensured to be communicated with the outside air all the time because the two floating blocks float on the water surface; in addition, when the net cage body floats upwards or dives, the sleeve and the generator are driven to move up and down, and the gear on the generator continuously rotates due to the fact that the rack on the sliding rod is relatively fixed, so that the generator is driven to generate electricity, energy recycling is achieved, and the net cage is green and environment-friendly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
3 FIG. 32 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 at 3 A 3- 3 A 3 of 3 FIG. 31 3; 3
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
fig. 4 is a partially enlarged view at C in fig. 2.
In the figure, 1, a net cage body; 11. an upper conical portion; 12. a straight portion; 13. a lower conical portion; 14. a wire rope; 15. a weight block; 2. a first piston cylinder; 21. a first piston; 211. a mounting cavity; 212. a water storage cavity; 213. a first perforation; 214. a first cover plate; 215. a second perforation; 216. a second cover plate; 217. a first hinge shaft; 218. a second hinge shaft; 22. an elastic expansion air bag; 221. a first return spring; 23. a first through hole; 3. a second piston cylinder; 31. a second piston; 311. an upper chamber; 312. a lower cavity; 313. a second return spring; 32. a piston rod; 33. a first air pipe; 34. a second air pipe; 4. a sleeve; 41. connecting blocks; 411. a generator; 412. a gear; 42. a chute; 5. a slide bar; 51. a rack; 52. an upper convex edge; 53. a lower convex edge; 6. a counterweight ball; 7. floating blocks; 71. a gooseneck bend; 72. a storage battery; 8. and a booster pump.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 4, a net cage capable of being lifted quickly comprises a net cage body 1 and a plurality of lifting devices.
The net cage body 1 comprises an upper conical part 11, a straight part 12 and a lower conical part 13 from top to bottom in sequence, the cross section of the straight part 12 is in a regular polygon shape, preferably, the cross section of the straight part 12 is in a regular hexagon shape, and the bottom of the lower conical part 13 is connected with a weight 15 through a steel wire rope 14.
The lifting devices are respectively arranged on each break angle of the straight portion 12 and comprise a first piston cylinder 2, a first piston 21, a second piston cylinder 3, a driving mechanism, a water inlet and outlet mechanism and an air inlet and outlet mechanism.
The first piston cylinder 2 is fixedly arranged on a break angle of the straight portion 12, the length direction of the first piston cylinder 2 is consistent with that of the straight portion 12, and a first through hole 23 is formed in the lower end of the first piston cylinder 2.
The first piston 21 is slidably arranged in the first piston cylinder 2, and the first piston 21 divides the interior of the first piston cylinder 2 into a mounting cavity 211 and a water storage cavity 212 from top to bottom.
The second piston cylinder 3 is coaxially and fixedly arranged below the first piston cylinder 2.
The upper end of second piston cylinder 3 is equipped with second through-hole 35, second through-hole 35 and first through-hole 23 are just right from top to bottom, piston rod 32 slides and sets up the upper end at second piston cylinder 3, the lower extreme of piston rod 32 passes second through-hole 35 and extends to in the second piston cylinder 3 and the tip has set firmly second piston 31, the upper end of piston rod 32 passes first through-hole 23 and extends to in the water storage chamber 212 and the tip links firmly with first piston 21, second piston 31 is separated into epicoele 311 and cavity of resorption 312 with the inside from the top down of second piston cylinder 3.
The driving mechanism is arranged in the mounting cavity 211, and the driving mechanism can push the first piston 21 to slide up and down.
The water inlet and outlet mechanism is arranged in the water storage cavity 212 and can control the water inlet and outlet of the water storage cavity 212 by moving up and down through the first piston 21.
The air intake and exhaust mechanism is arranged in the second piston cylinder 3 and can control air intake and exhaust of the upper cavity 311 and the lower cavity 313 by moving the second piston 31 up and down.
When sea stormy waves are large, the driving mechanism is started, the first piston 21 is pushed to slide upwards, meanwhile, the water quantity in the water storage cavity 212 is increased through the water inlet and outlet mechanism, the first piston 21 drives the second piston 31 to move upwards through the piston rod 32, the pressure in the upper cavity 311 is increased, negative pressure is generated in the lower cavity 312, air in the upper cavity 311 is exhausted through the air inlet and outlet mechanism, meanwhile, outside air is sucked into the lower cavity 312, the pressure balance of the upper cavity 311 and the lower cavity 312 is kept, smooth upward sliding of the first piston 21 is guaranteed, the water quantity in the water storage cavity 212 is increased, the buoyancy of the net cage body 1 is reduced, the net cage body 1 dives downwards, and the wind and wave resistance is enhanced; after stormy waves, the driving mechanism is started to push the first piston 21 to slide downwards, meanwhile, the water amount in the water storage cavity 212 is reduced through the water inlet and outlet mechanism, the first piston 21 drives the second piston 31 to move downwards through the piston rod 32, the pressure in the lower cavity 312 is increased, negative pressure is generated in the upper cavity 311, air in the lower cavity 312 is discharged through the air inlet and outlet mechanism, meanwhile, outside air is sucked into the upper cavity 311, the pressure balance between the upper cavity 311 and the lower cavity 312 is kept, smooth downward sliding of the first piston 21 is guaranteed, the water amount in the water storage cavity 212 is reduced, the buoyancy of the net cage body 1 is increased, the net cage body 1 floats upwards, the water body flow in the net cage body 1 is accelerated, and the culture environment is improved.
Specifically, the drive mechanism includes the elastic expansion bladder 22, the first return spring 221, and the pressurization air pump 8.
The elastic expansion bladder 22 is fixedly arranged between the first piston 21 and the top of the mounting cavity 211.
The first return spring 221 is vertically fixed in the elastic expansion airbag 22.
The supercharging air pump 8 is arranged on the net cage body 1, the supercharging air pump 8 is communicated with the elastic telescopic air bag 22 through a hose, and the supercharging air pump 8 is electrically connected with an external power supply.
When the water storage capacity in the water storage cavity 212 needs to be reduced, the pressurization air pump 8 is started, the elastic expansion air bag 22 is inflated to expand downwards, the first piston 21 is pushed to slide downwards, the first return spring 221 is stretched, when the water storage capacity in the water storage cavity 212 needs to be increased, the pressurization air pump 8 is started, the gas in the elastic expansion air bag 22 is pumped out, the elastic expansion air bag 22 is contracted upwards, and meanwhile, under the action of the first return spring 221, the first piston 21 slides upwards with higher speed, and the operation is simple.
Preferably, a second return spring 313 is sleeved on the piston rod 32 positioned in the upper cavity 311, one end of the second return spring 313 is fixedly connected with the second piston 31, and the other end is fixedly connected with the top of the upper cavity 311.
Specifically, the water inlet and outlet mechanism comprises a water inlet structure and a water outlet structure.
The water inlet structure is arranged on the first piston cylinder 2, and when the first piston 21 slides upwards, the water inlet structure can pump water from the outside into the water storage cavity 212.
The water outlet structure is arranged on the first piston cylinder 2, and when the first piston 21 slides downwards, the water outlet structure can discharge water in the water storage cavity 212 to the outside.
When first piston 21 upwards slides, form the negative pressure in the water storage chamber 212, go out the water structure and be closed, open the structure of intaking, take out water to the water storage chamber 212 in from the external world, increase the water storage capacity in the water storage chamber 212, when first piston 21 lapse, the pressure increase in the water storage chamber 212, the structure of intaking is closed, opens out the water structure, with the water discharge to the external world in the water storage chamber 212, easy operation, can also ensure the pressure balance in the water storage chamber 212 simultaneously, safe and reliable.
Specifically, the water inlet structure includes a second perforation 215 and a second cover plate 216.
The second through hole 215 is formed in the lower end of the first piston cylinder 2, and the second through hole 215 is communicated with the water storage cavity 212.
The second cover plate 216 is hinged to a second through hole 215 formed in the water storage chamber 212 by a second hinge shaft 218, and the second hinge shaft 218 is horizontally disposed above the second through hole 215.
Because the second cover plate 216 is arranged on the second through hole 215 in the water storage cavity 212, when the first piston 21 slides upwards, negative pressure is formed in the water storage cavity 212, external water impacts the second through hole 215, the second cover plate 216 rotates inwards, the second through hole 215 is opened, water smoothly flows into the water storage cavity 212, the water storage capacity of the water storage cavity 212 is increased, the weight of the net cage body 1 is increased, the net cage body 1 dives downwards, stormy waves are avoided, and the cultivation safety is improved.
Specifically, the water outlet structure includes a first penetration hole 213 and a first cover plate 214.
The first through hole 213 is formed in the lower end of the first piston cylinder 2, and the first through hole 213 is communicated with the water storage cavity 212.
Preferably, the first through hole 213 is opposite to the net cage body 1, and the drainage through the first through hole 213 can assist in cleaning the outside of the net cage body 1.
The first cover plate 214 is hinged to the first through hole 213 located outside the first piston cylinder 3 by a first hinge shaft 217, and the first hinge shaft 217 is horizontally disposed above the first through hole 213.
Because the first cover plate 214 is arranged on the first through hole 213 positioned outside the first piston cylinder 2, when the first piston 21 slides downwards, the pressure in the water storage cavity 212 is increased, the water in the water storage cavity 212 impacts the first through hole 213, so that the first cover plate 214 rotates outwards, the first through hole 213 is opened, the water is discharged out of the water storage cavity 212, the water storage amount of the water storage cavity 212 is reduced, the weight of the net cage body 1 is reduced, the net cage body 1 floats upwards, the culture condition in the net cage can be clearly observed, and the fishing is facilitated.
Specifically, the air intake and exhaust mechanism includes two floating blocks 7, a first air pipe 33 and a second air pipe 34.
Two the floating block 7 is respectively through two connection structure activity settings in the both sides of first piston cylinder 2, connection structure can make floating block 7 and first piston cylinder 2 take place relative slip, two the upper flank of floating block 7 all is equipped with gooseneck return bend 71, booster pump 8 sets firmly on floating block 7.
Because the floating block 7 always floats on the water surface, the booster pump 8 is ensured to be communicated with the outside air, and the air is conveniently pumped and discharged.
One end of the first air pipe 33 is fixedly connected with one end of the second piston cylinder 3, the first air pipe 33 is communicated with the upper cavity 311, and the other end of the first air pipe 33 is communicated with the lower end of one gooseneck elbow 71.
One end of the second air pipe 34 is fixedly connected with one end of the second piston cylinder 3, the second air pipe 34 is communicated with the lower cavity 313, and the other end of the second air pipe 34 is communicated with the lower end of the other gooseneck elbow 71.
When the first piston 21 slides upwards, the piston rod 32 drives the second piston 31 to slide upwards, the pressure in the upper cavity 311 increases, the gas in the upper cavity 311 is discharged through the first gas pipe 33, negative pressure is formed in the lower cavity 312, and the gas is pumped from the outside to the lower cavity 312 through the second gas pipe 34; when the first piston 21 slides downwards, the piston rod 32 drives the second piston 31 to slide downwards, the pressure in the lower cavity 312 is increased, the gas in the lower cavity 312 is discharged through the second gas pipe 34, negative pressure is formed in the upper cavity 311, and the gas is pumped from the outside to the upper cavity 311 through the first gas pipe 33; in addition, the gooseneck return bend can avoid the sea water to get into, and smooth and easy air admission and exhaust.
Specifically, the connection structure includes a sleeve 4, a slide bar 5, and a power generation structure.
The sleeve 4 is vertically and fixedly arranged on the outer side of the first piston cylinder 2 through a connecting block 41, and the length direction of the sleeve 4 is consistent with that of the first piston cylinder 2.
The sliding rod 5 is arranged in the sleeve 4 in a sliding mode, the upper end of the sliding rod 5 is fixedly connected with the floating block 7, an upper convex edge 52 is arranged on the sliding rod 5 above the sleeve 4, and a lower convex edge 53 is arranged on the sliding rod 5 below the sleeve 4.
The power generation structure is arranged on the connecting block 41, and the power generation structure can generate power by utilizing the relative sliding of the sleeve 4 and the sliding rod 5.
When the net cage body 1 floats upwards or submerges, the first piston cylinder 2 and the sleeve 4 are driven to float upwards and downwards, the sleeve 4 and the sliding rod 5 slide relatively, the power generation structure can generate power, energy recycling is achieved, and the net cage is green and environment-friendly.
Specifically, the power generation structure includes the chute 42, the rack 51, and the generator 411.
The slide groove 42 is provided on the inner side wall of the sleeve 4 in a penetrating manner in the longitudinal direction.
The rack 51 is fixedly arranged on the sliding rod 5 along the length direction, and the rack 51 is inserted in the sliding groove 42.
The generator 411 is fixedly arranged on the connecting block 41 through a base, a gear 412 is fixedly arranged on an output shaft of the generator 411, and the gear 412 is meshed and connected with the rack 51.
Preferably, the generator 411 is a bidirectional rotary generator.
When the net cage body 1 floats upwards, the first piston cylinder 2 and the sleeve 4 are driven to move upwards, the rack 51 moves upwards, the gear 412 on the output shaft of the generator 411 is driven to rotate clockwise, the generator 411 generates electricity, when the net cage body 1 dives downwards, the first piston cylinder 2 and the sleeve 4 are driven to move downwards, the rack 51 moves downwards, the gear 412 on the output shaft of the generator 411 is driven to rotate anticlockwise, and the generator 411 generates electricity.
Specifically, a counterweight ball 6 is fixedly arranged at the lower end of the sliding rod 5.
The counterweight ball 6 always provides a downward force for the sliding rod 5, so that the sliding rod 5 is kept in a vertical state, when waves impact the floating block 7, the sliding rod 5 cannot rotate, and the generator 411 can generate electricity normally.
Specifically, the floating block 7 is provided with a battery 72, and the generator 411 is electrically connected to the battery 72.
The electric energy generated by the generator 411 is converted into direct current through the rectifier and stored in the storage battery 72, and the direct current is provided for other equipment on the net cage for use, so that the energy is saved, and the environment is protected.
In the description of this patent, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience in describing the patent and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered limiting of the patent.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (10)

1. The utility model provides a box with a net of quick lift which characterized in that includes: the net cage comprises a net cage body (1), wherein the net cage body (1) sequentially comprises an upper conical part (11), a straight part (12) and a lower conical part (13) from top to bottom, and the cross section of the straight part (12) is in a regular polygon shape;
a plurality of elevating gear, a plurality of elevating gear sets up respectively on each dog-ear of straight portion (12), elevating gear has: the first piston cylinder (2) is fixedly arranged on a break angle of the straight part (12), and the length direction of the first piston cylinder (2) is consistent with that of the straight part (12); the first piston (21), the first piston (21) is arranged in the first piston cylinder (2) in a sliding mode, and the first piston (21) divides the interior of the first piston cylinder (2) into a mounting cavity (211) and a water storage cavity (212) from top to bottom; the second piston cylinder (3), the said second piston cylinder (3) is fixed under the first piston cylinder (2) coaxially; the piston rod (32) is arranged at the upper end of the second piston cylinder (3) in a sliding mode, the lower end of the piston rod (32) extends into the second piston cavity (3) and the end part of the piston rod is fixedly provided with a second piston (31), the upper end of the piston rod (32) extends into the water storage cavity (212) and the end part of the piston rod is fixedly connected with the first piston (21), and the second piston (31) divides the interior of the second piston cylinder (3) into an upper cavity (311) and a lower cavity (312) from top to bottom; the driving mechanism is arranged in the mounting cavity (211) and can push the first piston (21) to slide up and down; the water inlet and outlet mechanism is arranged in the water storage cavity (212) and can control the water inlet and outlet of the water storage cavity (212) by moving up and down through the first piston (21); and the air intake and exhaust mechanism is arranged on the second piston cylinder (3) and can control the air intake and exhaust of the upper cavity (311) and the lower cavity (312) by moving the second piston (31) up and down.
2. A rapid-rise and fall net cage according to claim 1, wherein the driving mechanism comprises:
the elastic telescopic air bag (22), the elastic telescopic air bag (22) is fixedly arranged between the first piston (21) and the top of the mounting cavity (211);
the first return spring (221), the said first return spring (221) is fixed in the elastic expansion gasbag (22) vertically;
the net cage comprises a pressurization air pump (8), wherein the pressurization air pump (8) is arranged on the net cage body (1), and the pressurization air pump (8) is communicated with an elastic telescopic air bag (22) through a hose.
3. A rapid-rise and fall cage as claimed in claim 2, wherein said water inlet and outlet means comprises:
the water inlet structure is arranged on the first piston cylinder (2), and when the first piston (21) slides upwards, the water inlet structure can pump water from the outside into the water storage cavity (212);
the water outlet structure is arranged on the first piston cylinder (2), and when the first piston (21) slides downwards, the water outlet structure can discharge water in the water storage cavity (212) to the outside.
4. A rapid-rise and fall cage as claimed in claim 3, wherein said water intake structure comprises:
the second through hole (215) is formed in the lower end of the first piston cylinder (2), and the second through hole (215) is communicated with the water storage cavity (212);
and a second cover plate (216), wherein the second cover plate (216) is hinged on a second through hole (215) in the water storage cavity (212) through a second hinge shaft (218), and the second hinge shaft (218) is horizontally arranged above the second through hole (215).
5. A rapid-rise and fall net cage according to claim 4, wherein the water outlet structure comprises:
the first through hole (213), the first through hole (213) is arranged at the lower end of the first piston cylinder (2), and the first through hole (213) is communicated with the water storage cavity (212);
a first cover plate (214), said first cover plate (214) being hinged to a first through hole (213) located outside the first cylinder (3) by means of a first hinge axis (217), said first hinge axis (217) being arranged horizontally above the first through hole (213).
6. A rapid-rise and fall cage as claimed in claim 5, wherein said air intake and exhaust mechanism comprises:
the two floating blocks (7) are movably arranged on two sides of the first piston cylinder (2) through two connecting structures respectively, the connecting structures can enable the floating blocks (7) and the first piston cylinder (2) to slide relatively, gooseneck elbows (71) are arranged on the upper side surfaces of the two floating blocks (7), and the booster pump (8) is fixedly arranged on the floating blocks (7);
one end of the first air pipe (33) is fixedly connected with the second piston cylinder (3), the first air pipe (33) is communicated with the upper cavity (311), and the other end of the first air pipe (33) is communicated with the lower end of one of the gooseneck elbows (71);
one end of the second air pipe (34) is fixedly connected with the second piston cylinder (3), the second air pipe (34) is communicated with the lower cavity (312), and the other end of the second air pipe (34) is communicated with the lower end of the other gooseneck elbow (71).
7. A rapid-rise or-fall net cage according to claim 6, wherein said connecting structure comprises:
the sleeve (4) is vertically and fixedly arranged on the outer side of the first piston cylinder (2) through a connecting block (41);
the sliding rod (5) is arranged in the sleeve (4) in a sliding mode, the upper end of the sliding rod (5) is fixedly connected with the floating block (7), an upper convex edge (52) is arranged on the sliding rod (5) above the sleeve (4), and a lower convex edge (53) is arranged on the sliding rod (5) below the sleeve (4);
the power generation structure is arranged on the connecting block (41) and can generate power by utilizing the relative sliding of the sleeve (4) and the sliding rod (5).
8. A rapid-rise and fall net cage according to claim 7, wherein the electricity generating structure comprises:
the sliding groove (42) is arranged on the inner side wall of the sleeve (4) in a penetrating manner along the length direction;
the rack (51), the said rack (51) is fixed on slide bar (5) along the length direction, the said rack (51) is inserted in the concrete chute (42);
the generator (411) is fixedly arranged on the connecting block (41) through the base, a gear (412) is fixedly arranged on an output shaft of the generator (411), and the gear (412) is meshed with the rack (51).
9. A rapid-lifting net cage according to claim 8, characterized in that the lower end of the slide bar (5) is fixedly provided with a counterweight ball (6).
10. A rapid-lifting net cage according to claim 9, characterized in that the floating block (7) is provided with a storage battery (72), and the generator (411) is electrically connected with the storage battery (72).
CN202010560838.1A 2020-06-18 2020-06-18 Net cage capable of being lifted quickly Active CN111670850B (en)

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Publication number Priority date Publication date Assignee Title
CN113585198A (en) * 2021-08-11 2021-11-02 包高山 Water tank control device for hydraulic engineering
CN114097682A (en) * 2022-01-05 2022-03-01 江特科技股份有限公司 Intelligent floating type disaster prevention aquaculture net cage
CN118110623A (en) * 2024-04-02 2024-05-31 山东黄河顺成水利水电工程有限公司第七工程处 360-Degree-direction dynamic water wave power generation device and method

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CN105848476A (en) * 2013-12-23 2016-08-10 海洋养殖公司 A semisubmersible, cylindrical net cage, closable bulkheads for a net cage and a bottom for the net cage that can be elevated
CN106472380A (en) * 2016-11-22 2017-03-08 湖北海洋工程装备研究院有限公司 One kind can heave aquaculture net cage
CN110754407A (en) * 2019-12-03 2020-02-07 浙江海洋大学 Culture net cage

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CA2253125A1 (en) * 1997-11-06 1999-05-06 James M. Knott, Sr. Aquaculture method and apparatus
CN103535300A (en) * 2013-10-21 2014-01-29 青岛利东海洋网箱科技有限公司 Nest floating method
CN105848476A (en) * 2013-12-23 2016-08-10 海洋养殖公司 A semisubmersible, cylindrical net cage, closable bulkheads for a net cage and a bottom for the net cage that can be elevated
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113585198A (en) * 2021-08-11 2021-11-02 包高山 Water tank control device for hydraulic engineering
CN114097682A (en) * 2022-01-05 2022-03-01 江特科技股份有限公司 Intelligent floating type disaster prevention aquaculture net cage
CN118110623A (en) * 2024-04-02 2024-05-31 山东黄河顺成水利水电工程有限公司第七工程处 360-Degree-direction dynamic water wave power generation device and method

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