CN110641612B - Self-made hull structure - Google Patents
Self-made hull structure Download PDFInfo
- Publication number
- CN110641612B CN110641612B CN201910926700.6A CN201910926700A CN110641612B CN 110641612 B CN110641612 B CN 110641612B CN 201910926700 A CN201910926700 A CN 201910926700A CN 110641612 B CN110641612 B CN 110641612B
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- plate
- diversion water
- ship body
- hydraulic cylinder
- ship
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000011324 bead Substances 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/32—Other means for varying the inherent hydrodynamic characteristics of hulls
- B63B1/40—Other means for varying the inherent hydrodynamic characteristics of hulls by diminishing wave resistance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
- B63B43/10—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a self-made ship body structure, which is formed by folding two side diversion water shielding plates, a bottom flat plate, a front inclined plate and a rear inclined plate, wherein the side wall of the diversion water shielding plate is provided with a telescopic second diversion water shielding plate, the second diversion water shielding plate extends out of the bottom flat plate, the bottom flat plate is provided with an air duct, the front inclined plate and the rear inclined plate are provided with diversion water pressing plates, the diversion water pressing plates control water pressing through a hydraulic cylinder, and a propeller at the rear section of the ship body extends out of two sides. The ship body energy consumption is reduced by increasing buoyancy, reducing the influence of waves and changing the position of the propeller, the speed is increased, and meanwhile, the influence of the waves on the surrounding environment is reduced.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a self-made ship body structure.
Background
The resistance experienced by the hull and the power required by the vessel when sailing in a wave will increase relative to that in still water, which undoubtedly affects the ability of the vessel to maintain a speed on the water surface, so the phenomenon of increased resistance of the vessel in a wave is one of the important factors that must be considered in the vessel design stage.
Disclosure of Invention
In order to solve the problem that the ship in the prior art generates larger waves in the running process, the invention provides a self-made ship body structure.
The technical problems to be solved by the invention are realized by adopting the following technical scheme:
the self-made ship body structure is formed by folding two side diversion water shielding plates, a bottom flat plate, a front inclined plate and a rear inclined plate, wherein the front inclined plate and the rear inclined plate extend out of the left end and the right end of the diversion water shielding plates, sliding rails are arranged on the side walls of the diversion water shielding plates, a hydraulic cylinder is arranged at the upper end of the diversion water shielding plates, a rod body of the hydraulic cylinder is hinged with a second diversion water shielding plate, sliding grooves are formed in the inner walls of the second diversion water shielding plates, and the sliding grooves are matched with the sliding rails;
The lower surface of the bottom flat plate is provided with a concave cavity, a hollow closed pipe body is welded in the cavity, an air outlet groove is formed in the pipe body, a notch of the air outlet groove corresponds to the lower part of the bottom flat plate, the upper surface of the bottom flat plate is provided with a fan, the fan is provided with an air inlet and an air outlet, the air outlet is communicated with the pipe body through a pipe, and a valve is arranged on the pipe;
The device also comprises a first diversion water pressing plate and a second diversion water pressing plate;
the lower end of the first diversion water pressing plate is hinged to the front inclined plate of the ship body, a first hydraulic cylinder is arranged in the ship body, and a rod body of the first hydraulic cylinder penetrates through the front inclined plate of the ship body to be hinged to the upper end of the first diversion water pressing plate;
the lower end of the second diversion water pressing plate is hinged to the rear inclined plate of the ship body, a second hydraulic cylinder is arranged in the ship body, and a rod body of the second hydraulic cylinder penetrates through the rear inclined plate of the ship body and is hinged to the upper end of the second diversion water pressing plate;
The rear end of the ship body is provided with a propeller assembly, the propeller assembly comprises a propeller and a connecting mechanism of the propeller and the ship body, the connecting mechanism of the propeller and the ship body comprises transverse sliding rails, the transverse sliding rails are fixed at the rear end of the ship body, two transverse sliding rails are arranged, and the two transverse sliding rails are arranged in parallel; grooves are formed in the upper end and the lower end of the transverse sliding rail;
The sliding block is provided with a transverse notch at one side, and convex edges are arranged on the upper groove wall and the lower groove wall of the transverse notch;
The utility model provides a ship, including slider, screw, wherein, the bead of the horizontal notch of slider one side cooperatees with the recess of horizontal slide rail, the screw is equipped with two sets of, is located the left and right sides of hull rear end respectively, is equipped with two upper and lower sliders on every screw of group, two upper and lower sliders cooperate with two horizontal slide rails respectively, hull rear end intermediate position is equipped with two third pneumatic cylinders, and the body of rod of third pneumatic cylinder is connected with the screw.
The invention further discloses the following technology:
preferably, the propeller is provided with a connecting rod connected with a guide plate, and the guide plate is obliquely arranged as a whole.
Preferably, the baffle plates are arranged on two sides of the lower surface of the guide plate.
Preferably, two vertical pipe bodies are arranged in the ship body, the upper end faces of the two vertical pipe bodies are respectively used for supporting the first hydraulic cylinder and the second hydraulic cylinder, the rod body penetrates through the ship body through the inner part of the vertical pipe body, and the upper end faces of the vertical pipe bodies are higher than the maximum draft of the ship body.
Preferably, the pipeline is divided into two parts, and two ends of the pipeline are respectively communicated with the pipe body.
The invention has the following technical effects:
The ship body energy consumption is reduced by increasing buoyancy, reducing the influence of waves and changing the position of the propeller, the speed is increased, and meanwhile, the influence of the waves on the surrounding environment is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art;
FIG. 1 is a schematic side view of the structure of the present invention;
FIG. 2 is a schematic elevational view of the structure of the present invention;
FIG. 3 is a schematic view of the aft structure of the hull;
FIG. 4 is a schematic view of a propeller assembly;
FIG. 5 is a schematic view of the bottom structure of the ship bottom;
FIG. 6 is a schematic diagram of a fan and tube connection structure;
FIG. 7 is a schematic diagram of the connection of the first hydraulic cylinder to the first deflector plenum;
The reference numerals in the above figures indicate: 1. a diversion water shielding plate; 2. a bottom plate; 3. a front sloping plate; 4. a rear sloping plate; 5. a slide rail; 6. a hydraulic cylinder; 7. a second diversion water shielding plate; 8. a chute; 9. a cavity; 10. a tube body; 11. an air outlet groove; 12. a blower; 13. an air inlet; 14. an air outlet; 15. a pipe; 16. a valve; 17. a partition plate; 18. a first diversion water pressure plate; 19. the second diversion water pressing plate; 20. a first hydraulic cylinder; 21. a second hydraulic cylinder; 22. a propeller; 23. a transverse slide rail; 24. a slide block; 25. a third hydraulic cylinder; 26. a deflector; 27. a resistance plate; 28. a vertical pipe body; 29. short bars.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present embodiment provides a self-made hull structure, the hull is formed by folding two side diversion water shielding plates 1, a bottom flat plate 2, a front inclined plate 3 and a rear inclined plate 4, the left end and the right end of the diversion water shielding plates extend out of the front inclined plate and the rear inclined plate, sliding rails 5 are arranged on the side walls of the diversion water shielding plates, hydraulic cylinders 6 are arranged at the upper ends of the diversion water shielding plates, rod bodies of the hydraulic cylinders are hinged with second diversion water shielding plates 7, sliding grooves 8 are arranged on the inner walls of the second diversion water shielding plates, and the sliding grooves are matched with the sliding rails;
The second diversion water shielding plates on the two sides extend out of the bottom plate through the hydraulic cylinder, so that water flow is guided between the two diversion water shielding plates, and the water flow is difficult to spread out of the second diversion water shielding plates through the front inclined plate and the rear inclined plate, so that waves formed by water breaking are greatly reduced;
the second diversion water shielding plate is telescopic, so that the phenomenon that the ship bottom is too deep and stranding is caused by the second diversion water shielding plate extending out in the shoal is avoided;
The lower surface of the bottom flat plate is provided with a concave cavity 9, a hollow closed pipe body 10 is welded in the cavity, an air outlet groove 11 is formed in the pipe body, a notch of the air outlet groove corresponds to the lower part of the bottom flat plate, the upper surface of the bottom flat plate is provided with a fan 12, the fan is provided with an air inlet 13 and an air outlet 14, the air outlet is communicated with the pipe body through a pipe 15, and in order to thoroughly avoid the backflow situation, the pipe is provided with a valve 16;
The air outlet groove corresponds to the lower part of the bottom flat plate, the hollow isolation part of the strong air blowing is used for water and the ship bottom, after the water flow is led into the ship bottom by the diversion water shielding plate, the water flow speed of the ship bottom is high, the strong air is isolated, and the friction between the water and the ship bottom can be reduced.
A plurality of baffle plates 17 are arranged below the corresponding bottom flat plate of the notch of the air outlet groove;
the existence of baffle cuts apart into a plurality of regions with the strong wind of air-out groove, avoids leading to wind to wear in disorder because of rivers, simultaneously, and the flow direction of rivers is also guided to the baffle, avoids rivers to cross the string and arouses the hull not problem, and the existence of baffle strengthens the stability of hull.
In order to avoid different air volumes of the air outlet grooves caused by the air inlets of the pipe body, one side is provided with large air volume and the other side is provided with different strong air pressure, the ship body can possibly be uneven left and right, and the pipeline is divided into two parts to respectively communicate the two ends of the pipe body, so that the left and right air volumes are firstly ensured to be similar.
The device also comprises a first diversion water pressing plate 18 and a second diversion water pressing plate 19;
the lower end of the first diversion water pressing plate is hinged to the front inclined plate of the ship body, a first hydraulic cylinder 20 is arranged in the ship body, and a rod body of the first hydraulic cylinder penetrates through the front inclined plate of the ship body and is hinged to the upper end of the first diversion water pressing plate;
the stern rudder blade and the propeller go into the water too shallow, the rudder effect reduces, and the bow resistance increases, and operating performance is poor, increases boats and ships energy consumption of traveling, and for this reason, first water conservancy diversion pressurized-water board pushes down through first pneumatic cylinder, adjusts the angle that rivers impacted, makes its more gentle inflow ship bottom, and rivers impact first water conservancy diversion pressurized-water board to the in-process that the slope impacted perpendicularly, the buoyancy that first water conservancy diversion pressurized-water board received constantly increases to can promote the bow, reduce the draft of bow.
The upper end of the first diversion water pressing plate is positioned at the highest draft of the ship body, and the upper end of the first diversion water pressing plate is always positioned above the water surface.
The lower end of the second diversion water pressing plate is hinged to the rear inclined plate of the ship body, a second hydraulic cylinder 21 is arranged in the ship body, and a rod body of the second hydraulic cylinder penetrates through the rear inclined plate of the ship body and is hinged to the upper end of the second diversion water pressing plate;
The draft of the stern is larger, the bow is upwarp, the windward resistance area is increased, especially when the ship is subjected to crosswind, the bow is greatly influenced by wind, the rudder effect of the ship is offset, the phenomenon of finding wind by the rudder is obvious, namely, the ship operability is poor, and when the ship is oversized, the bow dead zone is increased, therefore, a second diversion water pressure plate is additionally arranged, the second diversion water pressure plate is pressed down, the water flow state directly flows from the stern to the water flow to impact the second diversion water pressure plate, such as the first diversion water pressure plate, the second diversion water pressure plate after being pressed down is impacted by the water flow, the buoyancy is increased, the stern is lifted, and the draft of the stern is reduced;
two vertical pipes 28 are arranged in the ship body, the upper end faces of the two vertical pipes are respectively used for supporting the first hydraulic cylinder and the second hydraulic cylinder, the rod body penetrates through the ship body through the inside of the vertical pipes, and the upper end faces of the vertical pipes are higher than the maximum draft of the ship body. Water is prevented from flowing into the ship body from the upper port of the vertical pipe body.
A short rod is arranged between the rod body of the hydraulic cylinder and the diversion water pressing plate, two ends of the short rod are respectively hinged with the rod body and the diversion water pressing plate, and the short rod is used for adjusting the angle between the rod body and the diversion water pressing plate.
In fig. 7, a short rod 29 is added between the rod body of the first hydraulic cylinder 20 and the first diversion water pressure plate 18.
The rear end of the ship body is provided with a propeller assembly, the propeller assembly comprises a propeller 22 and a connecting mechanism of the propeller and the ship body, the connecting mechanism of the propeller and the ship body comprises transverse slide rails 23, the transverse slide rails are fixed at the rear end of the ship body, two transverse slide rails are arranged, and the two transverse slide rails are arranged in parallel; grooves are formed in the upper end and the lower end of the transverse sliding rail;
the sliding block 24, one side of the sliding block is provided with a transverse notch, and the upper and lower groove walls of the transverse notch are provided with ribs;
The rib of the transverse notch on one side of the sliding block is matched with the groove of the transverse sliding rail, two groups of propellers are arranged and are respectively located on the left side and the right side of the rear end of the ship body, an upper sliding block and a lower sliding block are arranged on each group of propellers and are respectively matched with the two transverse sliding rails, two third hydraulic cylinders 25 are arranged in the middle of the rear end of the ship body, and rod bodies of the third hydraulic cylinders are connected with the propellers.
The driving screw propeller extends out of the two sides of the diversion water shielding plates through the third hydraulic cylinder, so that the influence of bottom water flow on the driving screw propeller is avoided, more importantly, the driving screw propeller is positioned at two sides of the ship body, the front part of the driving screw propeller is not blocked, the influence of water flow on the ship body is reduced, and the water flow space is larger compared with that of the driving screw propeller which is directly arranged at the rear end of the ship body.
The propeller is provided with a connecting rod connected with a guide plate 26, and the whole guide plate is obliquely arranged. The guide plate is additionally arranged, the wind is guided to pass through the guide plate from the lower part, the guide plate is inclined, the buoyancy is promoted by utilizing wind force, and the structure is an auxiliary mechanism, so that the tail height of the ship can be promoted to a small extent, and the draft is reduced;
And the two sides of the lower surface of the guide plate are provided with baffle plates 27. The wind channel is reduced, and the wind speed is increased, so that the buoyancy is increased.
The driving propellers at the two sides not only play a role in facilitating passing through the contraction of the hydraulic cylinders;
More importantly, when the driving screw propeller rotates to work, the position of the driving screw propeller moves out of the ship body, so that water generated after the ship is sucked can not be sucked in the right front of the driving screw propeller, serious negative pressure on the underwater part behind the ship is avoided, and the ship is dragged backwards;
Meanwhile, the left hydraulic cylinder and the right hydraulic cylinder are independently controlled, the telescopic lengths of the left driving propeller and the right driving propeller are different, the propelling force is different relative to the distance between the ship bodies, and the ship bodies can be steered.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the present invention, features are not necessarily independently present unless explicitly stated or defined. The foregoing description and description contain the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, which are only preferred embodiments of the present invention, and not intended to limit the present invention as the only options. The invention may be further modified and optimized within the spirit and scope of the invention as defined by the appended claims, along with the full scope of equivalents to which such modifications and optimization are to be entitled.
Claims (3)
1. A self-made hull structure, characterized in that: the ship body is formed by folding two side diversion water shielding plates, a bottom flat plate, a front inclined plate and a rear inclined plate, wherein the front inclined plate and the rear inclined plate extend out of the left end and the right end of the diversion water shielding plate, a sliding rail is arranged on the side wall of the diversion water shielding plate, a hydraulic cylinder is arranged at the upper end of the diversion water shielding plate, a rod body of the hydraulic cylinder is hinged with a second diversion water shielding plate, a sliding groove is arranged on the inner wall of the second diversion water shielding plate, and the sliding groove is matched with the sliding rail;
The lower surface of the bottom flat plate is provided with a concave cavity, a hollow closed pipe body is welded in the cavity, an air outlet groove is formed in the pipe body, a notch of the air outlet groove corresponds to the lower part of the bottom flat plate, the upper surface of the bottom flat plate is provided with a fan, the fan is provided with an air inlet and an air outlet, the air outlet is communicated with the pipe body through a pipe, and a valve is arranged on the pipe;
The device also comprises a first diversion water pressing plate and a second diversion water pressing plate;
the lower end of the first diversion water pressing plate is hinged to the front inclined plate of the ship body, a first hydraulic cylinder is arranged in the ship body, and a rod body of the first hydraulic cylinder penetrates through the front inclined plate of the ship body to be hinged to the upper end of the first diversion water pressing plate;
the lower end of the second diversion water pressing plate is hinged to the rear inclined plate of the ship body, a second hydraulic cylinder is arranged in the ship body, and a rod body of the second hydraulic cylinder penetrates through the rear inclined plate of the ship body and is hinged to the upper end of the second diversion water pressing plate;
The ship body is internally provided with two vertical pipe bodies, the upper end surfaces of the two vertical pipe bodies are respectively used for supporting a first hydraulic cylinder and a second hydraulic cylinder, a rod body penetrates through the ship body through the inside of the vertical pipe bodies, and the upper end surfaces of the vertical pipe bodies are higher than the maximum draft of the ship body;
The rear end of the ship body is provided with a propeller assembly, the propeller assembly comprises a propeller and a connecting mechanism of the propeller and the ship body, the connecting mechanism of the propeller and the ship body comprises transverse sliding rails, the transverse sliding rails are fixed at the rear end of the ship body, two transverse sliding rails are arranged, and the two transverse sliding rails are arranged in parallel; grooves are formed in the upper end and the lower end of the transverse sliding rail;
the propeller is provided with a connecting rod which is connected with a guide plate, and the guide plate is obliquely arranged as a whole;
The sliding block is provided with a transverse notch at one side, and convex edges are arranged on the upper groove wall and the lower groove wall of the transverse notch;
The utility model provides a ship, including slider, screw, wherein, the bead of the horizontal notch of slider one side cooperatees with the recess of horizontal slide rail, the screw is equipped with two sets of, is located the left and right sides of hull rear end respectively, is equipped with two upper and lower sliders on every screw of group, two upper and lower sliders cooperate with two horizontal slide rails respectively, hull rear end intermediate position is equipped with two third pneumatic cylinders, and the body of rod of third pneumatic cylinder is connected with the screw.
2. A self-contained hull structure according to claim 1, wherein: and the two sides of the lower surface of the guide plate are provided with baffle plates.
3. A self-contained hull structure according to claim 1, wherein: the pipeline is divided into two parts, and two ends of the pipeline are respectively communicated with the pipe body.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201910926700.6A CN110641612B (en) | 2019-09-27 | 2019-09-27 | Self-made hull structure |
PCT/CN2019/114010 WO2021056676A1 (en) | 2019-09-27 | 2019-10-29 | Self-made hull structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910926700.6A CN110641612B (en) | 2019-09-27 | 2019-09-27 | Self-made hull structure |
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CN110641612A CN110641612A (en) | 2020-01-03 |
CN110641612B true CN110641612B (en) | 2024-07-19 |
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CN201910926700.6A Active CN110641612B (en) | 2019-09-27 | 2019-09-27 | Self-made hull structure |
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CN (1) | CN110641612B (en) |
WO (1) | WO2021056676A1 (en) |
Families Citing this family (1)
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CN111332425B (en) * | 2020-03-16 | 2021-09-24 | 广东民华船艇科技有限公司 | Marine pressurized-water board automatically regulated's device |
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CN211568224U (en) * | 2019-09-27 | 2020-09-25 | 唐旭明 | Self-made hull structure |
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2019
- 2019-09-27 CN CN201910926700.6A patent/CN110641612B/en active Active
- 2019-10-29 WO PCT/CN2019/114010 patent/WO2021056676A1/en active Application Filing
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CN2273676Y (en) * | 1996-09-05 | 1998-02-04 | 周新民 | Side wall type or double body type air-cushion ship wave reducing device |
CN107226167A (en) * | 2017-04-19 | 2017-10-03 | 珠海磐磊智能科技有限公司 | Ship |
CN208346787U (en) * | 2018-05-31 | 2019-01-08 | 威海维思泰科溢油回收设备有限公司 | Unmanned oil receiving equipment |
CN211568224U (en) * | 2019-09-27 | 2020-09-25 | 唐旭明 | Self-made hull structure |
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WO2021056676A1 (en) | 2021-04-01 |
CN110641612A (en) | 2020-01-03 |
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