CN112373641A - Unmanned ship carbon fiber protection device based on wind wave resistance - Google Patents

Unmanned ship carbon fiber protection device based on wind wave resistance Download PDF

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Publication number
CN112373641A
CN112373641A CN202011206525.2A CN202011206525A CN112373641A CN 112373641 A CN112373641 A CN 112373641A CN 202011206525 A CN202011206525 A CN 202011206525A CN 112373641 A CN112373641 A CN 112373641A
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protection
unmanned ship
main body
wind
wind shielding
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CN112373641B (en
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王攀攀
纪培国
李艳英
宋倩
林玲玉
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Weihai Ocean Vocational College
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Weihai Ocean Vocational College
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention discloses a storm wave resistance-based carbon fiber protection device for an unmanned ship, which comprises a protection main body, a side-inclination prevention main body and an unmanned ship body, wherein the protection main body is positioned right above the unmanned ship body, and the side-inclination prevention main body is positioned at the left side and the right side of the unmanned ship body. The protection main part is by the front and back protection part that keeps out the wind, side protection part and top protection part of keeping out the wind constitute, mainly is equipped with the bearing rib board support in the front and back protection part that keeps out the wind, mainly is equipped with interior door in the protection part of keeping out the wind of side, mainly is equipped with signal transceiver cavity in the protection part of keeping out the wind of top, mainly is equipped with gasbag and water wheels in the anti-roll main part. The invention is mainly used for resisting stormy waves and preventing side-tipping or side-tipping when the unmanned ship sails on the sea, the whole protection process adopts a physical mode, no energy consumption is caused, and the later maintenance cost is low; the wind resistance is little during navigation, the energy that consumes is few, and is comprehensive to the electrical equipment protection in unmanned ship, can effectively avoid unmanned ship to take place to heel or turn on one's side, and its factor of safety is higher.

Description

Unmanned ship carbon fiber protection device based on wind wave resistance
Technical Field
The invention relates to the technical field of unmanned ships, in particular to a carbon fiber protection device for an unmanned ship based on wind wave resistance.
Background
Ships are a general term for various ships. A ship is a vehicle which can be sailed or moored in a water area for transportation or operation, and has different technical performances, equipment and structural types according to different use requirements. A ship is a man-made vehicle that operates primarily in geographic water. In addition, a civil ship is generally called a ship, a military ship is called a ship, and a small-sized ship is called a boat or a boat, which is collectively called a ship or a boat. The interior mainly comprises a containment space, a support structure and a drainage structure, with a propulsion system using an external or self-contained energy source. The appearance is generally favorable for overcoming the streamline envelope of the fluid resistance, the materials are continuously updated along with the technological progress, the early materials are natural materials such as wood, bamboo, hemp and the like, and the modern materials are mostly steel, aluminum, glass fiber, acrylic and various composite materials.
At present, unmanned ships are gradually used for offshore exploration, the size of the unmanned ship is small, the whole wind and wave resistance of the unmanned ship is poor, the unmanned ship is easy to deform after touching a dark reef, and the unmanned ship is easy to incline or turn over, so that driving and exploration equipment in the unmanned ship is damaged. In order to solve the existing problems, the invention designs the carbon fiber protection device of the unmanned ship based on wind wave resistance.
Disclosure of Invention
The invention aims to solve the defects that the unmanned ship has small volume and poor integral wind and wave resistance, and the unmanned ship is easy to deform after touching a dark reef and easily heels or turns over to damage driving and exploration equipment in the unmanned ship due to the fact that the unmanned ship is small in volume and the unmanned ship is easy to use at present, and provides a carbon fiber protection device for the unmanned ship based on wind and wave resistance.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an unmanned ship carbon fiber protector based on resist stormy waves, protects main part, prevents heeling main part and unmanned hull, the protection main part is located unmanned hull directly over, it is provided with two altogether to prevent heeling the main part, and it is located the left and right sides of unmanned hull respectively.
The utility model discloses a protection main part, including protection main part, top wind protection part, bearing rib plate, side wind protection part, top wind protection part, bearing rib plate, top wind protection part, side wind protection part, and top wind protection part, the inboard of protection main part that keeps out the wind around mainly comprises, the side is kept out the wind protection part and is connected with interior door through first connection axis body, the inside of protection main part is interior storehouse, the both ends of top wind protection part are provided with signal transceiver cavity respectively, the top of signal transceiver cavity is provided with the top entry, the inside of signal transceiver cavity is provided with water drainage tank, the both sides face of signal transceiver cavity all is.
The gasbag has been placed to the inside spacing of anti-main part that heels, the bottom surface of anti-main part that heels evenly is provided with many places wash port, be connected with the water wheels through the second connection axis body under the anti-main part that heels.
Preferably, the protection main body is integrally formed by a front wind shielding protection part, a rear wind shielding protection part, a side wind shielding protection part and a top wind shielding protection part, and the protection main body is made of carbon fiber; the front wind shielding part and the rear wind shielding part are arranged at two positions and are respectively positioned at the front end and the rear end of the protection main body; the side wind shielding parts are arranged at two positions and are respectively positioned at the left side and the right side of the shielding main body; the top wind shielding parts are arranged at the top of the shielding main body. The protection main part mainly used for the protection of interior storehouse equipment is protected comprehensively through these triplexs of front and back protection part that keeps out the wind, side protection part that keeps out the wind and top protection part, and its whole protection process adopts the physical mode, and no energy resource consumption, its later maintenance cost is low. The protection main body made of the carbon fiber is lighter in weight, not easy to deform after collision and good in corrosion resistance.
Preferably, the front and rear wind shielding protection parts and the side wind shielding protection part are streamline in shape. The streamlined front and rear wind shielding protection parts and the side wind shielding protection parts enable the wind resistance of the unmanned ship body to be smaller when the unmanned ship body sails, and energy consumed by sailing is less.
Preferably, the inner sides of the front and rear wind shielding protection parts are fixedly bonded with the bearing rib plate through glue. When the unmanned ship body sails, the front wind shielding protection part and the rear wind shielding protection part are most easily impacted or collided, and the bearing rib plates are mainly used for strengthening the front wind shielding protection part and the rear wind shielding protection part, so that the stability and the reliability of the protection of the front wind shielding protection part and the rear wind shielding protection part are ensured.
Preferably, the side wind shield part is movably connected with the top of the inner bin door through a first connecting shaft body, and the inner bin door takes the first connecting shaft body as a moving center; wherein, the both ends of first connection axis body are fixed with the side wind shield part bonding through gluing respectively, and the axle body and the interior door clearance fit of first connection axis body. The side wind shield protection part is mainly used for protecting the side face of the unmanned ship body and can be communicated with the inner bin through the inner bin door so as to debug or maintain equipment in the inner bin.
Preferably, the signal transceiving cavity and the inner bin are communicated with each other; wherein, electrical equipment for driving and exploration of the unmanned ship is arranged in the inner bin. The inner bin is mainly communicated with the outside through two signal receiving and transmitting cavities so as to receive and transmit signals better and send or receive signals, and the inner bin is mainly used for placing electrical equipment for driving and exploration of the unmanned ship.
Preferably, the drainage channel in the signal transceiving cavity is gradually inclined and reduced from the top inlet to the side outlets at two sides. The signal receiving and transmitting cavity is communicated with the outside mainly through the top inlet and the side outlet so as to better receive and transmit signals, the drainage channel inside the signal receiving and transmitting cavity is mainly used for blocking rainwater and timely discharging the rainwater, and the rainwater can be timely discharged from the side outlet through the drainage channel after entering from the top inlet.
Preferably, the gasbag is inflatable gasbag, is interference fit between gasbag and the inboard of preventing the main part that inclines, prevents that the main part that inclines adopts the carbon fiber material. The gasbag mainly used prevents the suspension of incline main part, prevents the incline main part through controlling symmetrical two places and guarantees that unmanned hull sails more steadily, and its quality of the incline main part of preventing of carbon fiber material is lighter, and collision back non-deformable, and corrosion resistance is good. The inflatable air bag can maintain the air pressure in the air bag through air supplement and can be recycled, so that the cost input is reduced.
Preferably, the anti-roll main body is movably connected with the water wheel through a second connecting shaft body, and the water wheel takes the second connecting shaft body as a moving center; wherein, the both ends of second connection axis body are fixed with preventing the main part bonding of heeling through gluing respectively, and the axle body and the water wheels clearance fit of second connection axis body. When the unmanned ship body sails, the bottom of the anti-roll main body can contact the sea surface, and the resistance between the anti-roll main body and the seawater can be effectively reduced through the water wheel rotation drainage. In rainy days, a plurality of drain holes at the bottom of the anti-roll main body can timely drain rainwater in the anti-roll main body so as to reduce the load of the air bag.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a storm wave resisting carbon fiber protection device for an unmanned ship, which is mainly used for resisting storm waves and preventing side inclination or side rollover when the unmanned ship sails on the sea, the whole protection process adopts a physical mode, no energy is consumed, and the later maintenance cost is low; the wind resistance is little during navigation, the energy that consumes is few, and is comprehensive to the electrical equipment protection in unmanned ship, can effectively avoid unmanned ship to take place to heel or turn on one's side, and its factor of safety is higher.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a left side view structural diagram of the present invention.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic top view of the present invention.
Fig. 5 is a partially enlarged view of B in fig. 4.
Fig. 6 is a partially enlarged view at C in fig. 4.
Fig. 7 is a cross-sectional view taken at D-D in fig. 6.
Fig. 8 is a cross-sectional view at E-E in fig. 4.
Fig. 9 is a partial enlarged view of F in fig. 8.
Fig. 10 is a cross-sectional view at G-G in fig. 4.
Fig. 11 is a partial enlarged view of fig. 10 at H.
Fig. 12 is a cross-sectional view taken at I-I in fig. 4.
Fig. 13 is a partial enlarged view at J in fig. 12.
In the figure: 1-a protection main body, 2-an anti-roll main body, 3-an unmanned ship body, 4-a front and back wind shielding protection part, 5-a side wind shielding protection part, 6-a top wind shielding protection part, 7-a bearing rib plate, 8-a first connecting shaft body, 9-an inner bin door, 10-an inner bin, 11-a signal receiving and transmitting cavity, 12-a top inlet, 13-a sliding chute, 14-a side outlet, 15-an air bag, 16-a water discharging hole, 17-a second connecting shaft body and 18-a water wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-13, the present invention provides a technical solution:
the utility model provides an unmanned ship carbon fiber protector based on resist stormy waves, protects main part 1, prevents heeling main part 2 and unmanned hull 3, protection main part 1 is located unmanned hull 3 directly over, it is provided with two altogether to prevent heeling main part 2, and it is located the left and right sides of unmanned hull 3 respectively.
Protection main part 1 mainly comprises front and back protection part 4, side windshield protection part 5 and top windshield protection part 6 of keeping out the wind, front and back windshield protection part 4's inboard is supported through bearing gusset 7, side windshield protection part 5 is connected with interior door 9 through first connection axis body 8, protection main part 1's inside is interior storehouse 10, the both ends of top windshield protection part 6 are provided with signal transceiver cavity 11 respectively, signal transceiver cavity 11's top is provided with top entry 12, signal transceiver cavity 11's inside is provided with water drainage tank 13, signal transceiver cavity 11's both sides face all is provided with side outlet 14.
The anti-roll-over device is characterized in that an air bag 15 is placed in the anti-roll-over main body 2 in a limiting mode, a plurality of drain holes 16 are uniformly formed in the bottom surface of the anti-roll-over main body 2, and a water wheel 18 is connected to the position, right below the anti-roll-over main body 2, of the second connecting shaft body 17.
The protection main body 1 is integrally formed by a front wind shielding protection part 4, a rear wind shielding protection part 4, a side wind shielding protection part 5 and a top wind shielding protection part 6, and the protection main body 1 is made of carbon fiber; wherein, the front and rear wind shielding protection parts 4 are arranged at two positions and are respectively positioned at the front and rear ends of the protection main body 1; the side wind shielding parts 5 are arranged at two positions and are respectively positioned at the left side and the right side of the shielding main body 1; the top wind shield portions 6 are located at the top of the shield body 1 in common. The protection main body 1 is mainly used for protecting the inner bin equipment, comprehensive protection is carried out through the front and rear wind shielding protection part 4, the side wind shielding protection part 5 and the top wind shielding protection part 6, the whole protection process adopts a physical mode, energy consumption is avoided, and later-period maintenance cost is low. The protection main body 1 made of carbon fiber is lighter in weight, not easy to deform after collision and good in corrosion resistance.
The front and rear wind shielding protection parts 4 and the side wind shielding protection parts 5 are streamline in shape. The streamlined front and rear wind shielding protection part 4 and the side wind shielding protection part 5 enable the unmanned ship body 3 to be subjected to smaller wind resistance during navigation, and the energy consumed by navigation is less.
The inner sides of the front and rear wind shielding protection parts 4 are fixedly bonded with the bearing rib plates 7 through glue. When the unmanned ship body 3 is in navigation, the front and rear wind shielding protection parts 4 are most easily impacted or collided, and the bearing rib plates 7 are mainly used for strengthening the front and rear wind shielding protection parts 4, so that the protection stability and reliability of the front and rear wind shielding protection parts 4 are ensured.
The side wind-shield protection part 5 is movably connected with the top of an inner bin door 9 through a first connecting shaft body 8, and the inner bin door 9 takes the first connecting shaft body 8 as a moving center; wherein, the both ends of first connection axis body 8 are fixed with 5 bonds of side windshield protection parts through gluing respectively, and the axle body and the interior 9 clearance fit of door of storehouse of first connection axis body 8. The side wind shielding part 5 is mainly used for side shielding of the unmanned ship body 3 and can be communicated with the inner bin 10 through the inner bin door 9 so as to debug or maintain equipment in the inner bin 10.
The signal receiving and transmitting cavity 11 is communicated with the inner bin 10; wherein, the inner bin 10 is internally provided with electric equipment for driving and exploring the unmanned ship. The inner bin 10 is mainly communicated with the outside through two signal transceiving cavities 11 so as to better receive and transmit signals and send or receive signals, and the inner bin 10 is mainly used for placing electrical equipment for driving and exploration of unmanned ships.
The drainage channel 13 in the signal receiving and transmitting cavity 11 is gradually inclined and reduced from the top inlet 12 to the side outlets 14 at both sides. The signal receiving and transmitting cavity 11 is mainly communicated with the outside through the top inlet 12 and the side outlet 14 so as to better receive and transmit signals, the drainage groove 13 in the signal receiving and transmitting cavity 11 is mainly used for blocking rainwater and timely draining the rainwater, and the rainwater can be timely drained from the side outlet 14 through the drainage groove 13 after entering from the top inlet 12.
The anti-roll main body 2 is made of a carbon fiber air bag 15 which is an inflatable air bag, the air bag 15 is in interference fit with the inner side of the anti-roll main body 2, and the anti-roll main body 2 is made of a carbon fiber material. The gasbag 15 mainly used prevents the suspension of heeling main part 2, prevents heeling main part 2 through controlling symmetrical two places and guarantees that unmanned hull 3 navigates by water more steadily, and its quality of the heeling main part 2 of preventing of carbon fiber material is lighter, and difficult deformation after the collision, corrosion resistance is good. The inflatable air bag can maintain the air pressure in the air bag 15 through air supplement, and can be recycled, so that the cost input is reduced.
The anti-roll main body 2 is movably connected with a water wheel 18 through a second connecting shaft body 17, and the water wheel 18 takes the second connecting shaft body 17 as a movable center; wherein, the both ends of the second connection axis body 17 are fixed with preventing inclining main part 2 bonding through gluing respectively, and the axle body and the water wheels 18 clearance fit of second connection axis body 17. When the unmanned ship body 3 is in navigation, the bottom of the anti-roll main body 2 can contact the sea surface, and water is discharged through the rotation of the water wheel 18, so that the resistance between the anti-roll main body and the sea water can be effectively reduced. In rainy days, a plurality of drain holes 16 at the bottom of the anti-roll main body 2 can timely drain rainwater in the anti-roll main body so as to reduce the load of the air bag 15.
The working principle of the invention is as follows:
the inner bin door 9 is opened, electric equipment for driving and exploration of the unmanned ship is placed in the inner bin 10, and the unmanned ship body 3 sails through remote control, wherein the protection main body 1 is mainly used for protecting the equipment in the inner bin 10 in the unmanned ship body 3, and the anti-roll main body 2 is mainly used for preventing the unmanned ship body 3 from inclining or rolling over.
In the process of navigation, the protection main body 1 carries out comprehensive protection through the front and rear wind shielding protection part 4, the side wind shielding protection part 5 and the top wind shielding protection part 6, the whole protection process adopts a physical mode, no energy consumption is caused, and the later maintenance cost is low. The protection main body 1 made of carbon fiber is lighter in weight, not easy to deform after collision and good in corrosion resistance. The streamlined front and rear wind shielding protection part 4 and the side wind shielding protection part 5 enable the wind resistance of the unmanned ship body 3 to be smaller during navigation, and the energy consumed by navigation is higher. The front and rear wind shielding protection parts 4 are most easily impacted or collided when sailing, and the bearing rib plates 7 are mainly used for strengthening the front and rear wind shielding protection parts 4, so that the protection stability and reliability of the front and rear wind shielding protection parts 4 are ensured. Two signal receiving and dispatching cavities 11 of the top wind-shielding part 6 are communicated with the outside through a top inlet 12 and a side outlet 14 so as to better receive and transmit signals, a drainage groove 13 in the signal receiving and dispatching cavities 11 is mainly used for blocking rainwater and timely discharging the rainwater, and the rainwater can be timely discharged from the side outlet 14 through the drainage groove 13 after entering from the top inlet 12.
In the navigation process, the anti-roll main body 2 plays a role in preventing roll and side turning under the action of the air bag 15 and the water wheel 18, the whole protection process adopts a physical mode, no energy consumption is caused, and the later maintenance cost is low. The carbon fiber anti-roll main body 2 is lighter in weight, not easy to deform after collision and good in corrosion resistance. The airbag 15 is mainly used for suspension of the anti-roll main body 2, the unmanned ship body 3 can sail more stably through the two anti-roll main bodies 2 which are symmetrical left and right, the inflatable airbag can maintain the air pressure in the airbag 15 through air supplement, and recycling can be carried out repeatedly, so that the cost is reduced. When the ship sails, the bottom of the anti-roll body 2 can contact the sea surface, and the resistance between the anti-roll body and the sea water can be effectively reduced through the rotation and drainage of the water wheel 18. In rainy days, a plurality of drain holes 16 at the bottom of the anti-roll main body 2 can timely drain rainwater in the anti-roll main body so as to reduce the load of the air bag 15.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides an unmanned ship carbon fiber protector based on resist stormy waves which characterized in that: the unmanned ship comprises a protection main body (1), an anti-roll main body (2) and an unmanned ship body (3), wherein the protection main body (1) is positioned right above the unmanned ship body (3), and the anti-roll main body (2) is provided with two positions which are respectively positioned at the left side and the right side of the unmanned ship body (3);
the protection main body (1) mainly comprises a front wind shielding protection part (4), a rear wind shielding protection part (4), a side wind shielding protection part (5) and a top wind shielding protection part (6), wherein the inner side of the front wind shielding protection part and the rear wind shielding protection part (4) is supported by a bearing rib plate (7), the side wind shielding protection part (5) is connected with an inner bin door (9) through a first connecting shaft body (8), the inner part of the protection main body (1) is an inner bin (10), two ends of the top wind shielding protection part (6) are respectively provided with a signal transceiving cavity (11), the top of the signal transceiving cavity (11) is provided with a top inlet (12), the inner part of the signal transceiving cavity (11) is provided with a drainage groove (13), and two side faces of the signal transceiving cavity (11) are respectively provided with a side outlet;
the anti-roll air bag is characterized in that an air bag (15) is placed in the anti-roll main body (2) in a limiting mode, a plurality of drain holes (16) are uniformly formed in the bottom surface of the anti-roll main body (2), and a water wheel (18) is connected to the position, right below the anti-roll main body (2), of the second connecting shaft body (17).
2. The carbon fiber protection device for the unmanned ship based on wind and wave resistance according to claim 1, characterized in that: the protective main body (1) is integrally formed by a front wind shielding protective part, a rear wind shielding protective part (4), a side wind shielding protective part (5) and a top wind shielding protective part (6), and the protective main body (1) is made of carbon fiber; wherein, the front and rear wind shielding protection parts (4) are arranged at two positions and are respectively positioned at the front and rear ends of the protection main body (1); the side wind shielding protection parts (5) are arranged at two positions and are respectively positioned at the left side and the right side of the protection main body (1); the top wind shielding protection parts (6) are arranged at the same position and are positioned at the top of the protection main body (1).
3. The carbon fiber protection device for the unmanned ship based on wind and wave resistance according to claim 1, characterized in that: the front and rear wind shielding protection parts (4) and the side wind shielding protection parts (5) are streamline in shape.
4. The carbon fiber protection device for the unmanned ship based on wind and wave resistance according to claim 1, characterized in that: the inner sides of the front and rear wind shielding protection parts (4) are fixedly bonded with the bearing rib plates (7) through glue.
5. The carbon fiber protection device for the unmanned ship based on wind and wave resistance according to claim 1, characterized in that: the side wind shielding protection part (5) is movably connected with the top of the inner bin door (9) through a first connecting shaft body (8), and the inner bin door (9) takes the first connecting shaft body (8) as a moving center; wherein, the both ends of first connection axis body (8) are fixed through gluing and side windshield protection part (5) bonding respectively, and the axle body and interior door (9) clearance fit of first connection axis body (8).
6. The carbon fiber protection device for the unmanned ship based on wind and wave resistance according to claim 1, characterized in that: the signal receiving and transmitting cavity (11) is communicated with the inner bin (10); wherein, the inner bin (10) is internally provided with electrical equipment for driving and exploring the unmanned ship.
7. The carbon fiber protection device for the unmanned ship based on wind and wave resistance according to claim 1, characterized in that: and the drainage channel (13) in the signal transceiving cavity (11) is gradually inclined and reduced from the top inlet (12) to the side outlets (14) at two sides.
8. The carbon fiber protection device for the unmanned ship based on wind and wave resistance according to claim 1, characterized in that: the anti-roll main body (2) is made of carbon fiber air bags (15) and is inflatable, the air bags (15) are in interference fit with the inner side of the anti-roll main body (2), and the anti-roll main body (2) is made of carbon fiber.
9. The carbon fiber protection device for the unmanned ship based on wind and wave resistance according to claim 1, characterized in that: the anti-side-tipping body (2) is movably connected with a water wheel (18) through a second connecting shaft body (17), and the water wheel (18) takes the second connecting shaft body (17) as a moving center; wherein, the both ends of second connection axis body (17) are fixed with preventing the bonding of heeling main part (2) through gluing respectively, and the axle body and the water wheels (18) clearance fit of second connection axis body (17).
CN202011206525.2A 2020-11-03 2020-11-03 Unmanned ship carbon fiber protection device based on wind wave resistance Active CN112373641B (en)

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Publication number Priority date Publication date Assignee Title
JPH11278375A (en) * 1998-03-26 1999-10-12 Miyazawa:Kk Quick rescuing subminiature unmanned ship for drowning person
CN101665148A (en) * 2009-09-28 2010-03-10 秦贞坤 Spherical sea diving device for amusement and sightseeing
CN204979177U (en) * 2015-07-23 2016-01-20 浙江海洋学院 Motor boat
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CN108163163A (en) * 2017-12-08 2018-06-15 浙江海洋大学 A kind of semiclosed lifeboat of anti-rollover
CN108622334A (en) * 2018-04-17 2018-10-09 天津浩汇检测技术有限公司 A kind of water surface deliverance apparatus
CN210942170U (en) * 2019-11-26 2020-07-07 江阴耐波特船用设备有限公司 High-stability totally-enclosed lifeboat

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