CN114937392A - Ship damage control emergency training device - Google Patents
Ship damage control emergency training device Download PDFInfo
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- CN114937392A CN114937392A CN202210588845.1A CN202210588845A CN114937392A CN 114937392 A CN114937392 A CN 114937392A CN 202210588845 A CN202210588845 A CN 202210588845A CN 114937392 A CN114937392 A CN 114937392A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses an emergency training device for ship damage control, which relates to the technical field of ships and comprises a cabin main body, wherein the lower end of the cabin main body is fixedly connected with a ship base, an electronic control element is arranged in the cabin main body, a liquid level measuring rod is fixedly connected in the ship base, the liquid level measuring element is fixedly connected outside the liquid level measuring rod, a drainage device is arranged in the cabin main body, a protective outer cover is arranged at the left end of the ship base, and a connecting rod is fixedly connected at the right end of the protective outer cover. According to the invention, through the arrangement of the connecting rod, the damping groove, the ventilation electromagnetic valve, the exhaust pipeline, the exhaust valve and the inflatable floating equipment, the supporting rod, the sliding plate and the limiting spring can be pushed by the force generated by impact in the impact process, so that the airflow at the lower end of the sliding plate can be pushed, and the airflow can be transmitted to the interior of the inflatable floating equipment through the exhaust pipeline and the exhaust valve.
Description
Technical Field
The invention relates to the technical field of ships, in particular to an emergency training device for ship damage control.
Background
Ships are widely used in civil and military fields, but due to factors such as manual operation, natural disasters, mechanical faults or war damage, ships face the danger of damage and sinking at any time, and once a damage accident occurs, ship operators need to take timely and effective anti-sinking measures to recover disaster loss. In order to successfully and effectively deal with disasters, warship crews must skillfully use various anti-sinking devices equipped on ships and warships to resist sinking according to the requirements of anti-sinking plans, so that the optimal combination of people and equipment is achieved, and the maximum efficiency of the equipment is exerted. The following problems exist in the prior art:
1. the existing emergency training devices for ship damage control cannot timely discharge water flow when water enters from a bottom broken hole, so that damage to ships is caused;
2. some warships harm emergency training device for control that has now when touching the reef at front and back end, because the dynamics of touching is great, cause the harm to the device easily, reduce the life of device, after touching, because the naval vessel is unbalanced, can not play the effect of support to the naval vessel.
Disclosure of Invention
The invention provides an emergency training device for ship damage control, which aims to solve the problem that some emergency training devices for ship damage control cannot timely discharge water flow when water enters a bottom broken hole, so that damage to ships is caused; wherein another kind of purpose is when touching the reef in the front and back end in order to solve some naval vessel harm emergency training device for control, because the dynamics of touching is great, causes the harm to the device easily, reduces the life of device, after the touching, because naval vessel is unbalanced, can not play the effect problem of support to the naval vessel.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
an emergency training device for ship damage control comprises a cabin main body, wherein a ship base is fixedly connected to the lower end of the cabin main body, an electronic control element is arranged inside the cabin main body, a liquid level measuring rod is fixedly connected inside the ship base, a liquid level measuring element is fixedly connected outside the liquid level measuring rod, a drainage device is arranged inside the cabin main body, a protective outer cover is arranged at the left end of the ship base, a connecting rod is fixedly connected to the right end of the protective outer cover, a damping groove is arranged at the right end of the connecting rod, a supporting rod is arranged inside the damping groove, a sliding plate is fixedly connected to the lower end of the supporting rod, a limiting spring is fixedly connected to the lower end of the sliding plate, a ventilation valve is arranged at the lower end of the damping groove, an exhaust pipeline is fixedly connected to the lower end of the ventilation valve, and an exhaust valve is fixedly connected to the lower end of the exhaust pipeline, and the lower end of the exhaust valve is fixedly connected with an inflatable floating device.
The technical scheme of the invention is further improved as follows: the lower extreme and the inside bottom fixed connection of naval vessel base that sets up of shock attenuation recess, the left end fixed connection of shock attenuation recess has the ventilation solenoid valve, the ventilation solenoid valve is connected with the electronic control component signal that sets up.
The technical scheme of the invention is further improved as follows: the support rod is fixedly connected with the upper end of the limiting spring through the arranged sliding plate, and the limiting spring is fixedly connected with the bottom end inside the arranged damping groove.
The technical scheme of the invention is further improved as follows: the limiting spring is arranged at the right end of the ventilation valve, the exhaust pipeline is fixedly connected with the inflatable floating equipment through the exhaust valve, and the upper end of the inflatable floating equipment is fixedly connected with the bottom end of the ship base.
The technical scheme of the invention is further improved as follows: the inside left end fixedly connected with anticollision layer of protection dustcoat, the right-hand member fixedly connected with buffer layer on anticollision layer.
The technical scheme of the invention is further improved as follows: the left end of the liquid level measuring rod is provided with an emergency lighting device main body, the emergency lighting device main body is in signal connection with the set electronic control element, the upper end of the emergency lighting device main body is fixedly connected with the top end of the inner portion of the set ship base, and a storage battery is arranged inside the emergency lighting device main body.
The technical scheme of the invention is further improved as follows: the draw-in groove has been seted up to the left end of emergency lighting equipment main part, the inside right-hand member fixedly connected with buffer spring of draw-in groove, the left end of emergency lighting equipment main part is provided with linking module, the inside top fixed connection of naval vessel base of linking module's upper end and setting, linking module's right-hand member fixedly connected with fixed block, the outside of fixed block and the inside looks adaptation of draw-in groove of setting, the outside of emergency lighting equipment main part is provided with the insulating layer, the inboard fixedly connected with waterproof layer of insulating layer.
The technical scheme of the invention is further improved as follows: the fixed drain pump that is provided with in drainage device's inside, the lower extreme fixedly connected with of drain pump draws water the pipeline, and draws water the inside that the lower extreme of pipeline extended to warship base, drainage device's left end fixedly connected with drainage pipe, drainage device and the electronic control element connection of electric lines who sets up.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides an emergency training device for ship damage control, which can detect the water inlet condition inside a ship base in real time according to the arrangement of a liquid level measuring rod and a liquid level measuring element, can discharge water flow inside the ship base in time through the arrangement of an electronic control element, a drainage pipeline, a drainage device, a drainage pump and a water pumping pipeline, can effectively avoid the damage to the device caused by excessive water flow inside the ship base, thereby seriously affecting the service life of the device, can illuminate the inside of the ship base in real time according to the arrangement of the electronic control element, an emergency lighting device main body and a storage battery, can be convenient for workers to take down the emergency lighting device main body and detect roads conveniently, thereby be convenient for find the position of leaking fast, the outside of emergency lighting device main part has waterproof effect simultaneously, can effectively avoid rivers to get into, causes the phenomenon of emergency lighting device main part electric leakage.
2. The invention provides an emergency training device for ship damage control, which can effectively reduce the force generated by impact in the impact touch process according to the arrangement of a protective outer cover, an anti-collision layer and a buffer layer, thereby having the protection effect on a ship base.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic structural diagram of the main body of the emergency lighting device of the present invention;
FIG. 4 is a schematic view of the structure at A of FIG. 1 according to the present invention;
fig. 5 is a schematic view of the shock-absorbing groove structure of the present invention.
In the figure: 1. a cabin body; 2. a ship foundation; 3. a protective outer cover; 4. an electronic control element; 5. a liquid level measuring rod; 6. a liquid level measuring element; 7. an emergency lighting device body; 8. a water drainage pipeline; 9. a shock-absorbing groove; 10. a connecting rod; 11. an exhaust duct; 12. an exhaust valve; 13. an inflatable floatation device; 14. An anti-collision layer; 15. a buffer layer; 16. a connection module; 17. a storage battery; 18. a card slot; 19. a buffer spring; 20. a fixed block; 21. a waterproof layer; 22. an insulating layer; 23. a water discharge device; 24. draining pump; 25. a water pumping pipeline; 26. a support bar; 27. a ventilation solenoid valve; 28. a slide plate; 29. a limiting spring; 30. and a vent valve.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-5, the invention provides an emergency training device for ship damage control, comprising a cabin main body 1, a ship base 2 fixedly connected to the lower end of the cabin main body 1, an electronic control element 4 arranged inside the cabin main body 1, a liquid level measuring rod 5 fixedly connected to the inside of the ship base 2, a liquid level measuring element 6 fixedly connected to the outside of the liquid level measuring rod 5, a drainage device 23 arranged inside the cabin main body 1, a drainage pump 24 fixedly arranged inside the drainage device 23, a water pumping pipeline 25 fixedly connected to the lower end of the drainage pump 24, the lower end of the water pumping pipeline 25 extending to the inside of the ship base 2, a drainage pipeline 8 fixedly connected to the left end of the drainage device 23, the drainage device 23 in electrical connection with the electronic control element 4, and the arrangement of the liquid level measuring rod 5 and the liquid level measuring element 6 can detect the water inflow condition inside the ship base 2 in real time, then the water flow in the ship base 2 can be discharged in time through the arrangement of the electronic control element 4, the drainage pipeline 8, the drainage device 23, the drainage pump 24 and the water pumping pipeline 25, thereby can effectively avoid inside rivers too much, cause the harm to the device, thereby seriously influence the life of device, naval vessel base 2's left end is provided with protection dustcoat 3, protection dustcoat 3's right-hand member fixedly connected with connecting rod 10, the right-hand member of connecting rod 10 is provided with shock attenuation recess 9, the inside of shock attenuation recess 9 is provided with bracing piece 26, the lower extreme fixedly connected with slide 28 of bracing piece 26, slide 28's lower extreme fixedly connected with limit spring 29, ventilation valve 30 has been seted up to shock attenuation recess 9's lower extreme, ventilation valve 30's lower extreme fixedly connected with exhaust duct 11, exhaust duct 11's lower extreme fixedly connected with discharge valve 12, and discharge valve 12's lower extreme fixedly connected with aerifys flotation device 13.
In this embodiment, the lower end of the shock absorption groove 9 is fixedly connected with the inner bottom end of the ship base 2, the left end of the shock absorption groove 9 is fixedly connected with a ventilation solenoid valve 27, the ventilation solenoid valve 27 is in signal connection with the electronic control element 4, the support rod 26 is fixedly connected with the upper end of a limit spring 29 through a slide plate 28, the limit spring 29 is fixedly connected with the inner bottom end of the shock absorption groove 9, the limit spring 29 is arranged at the right end of a ventilation valve 30, an exhaust pipeline 11 is fixedly connected with an inflatable floating device 13 through an exhaust valve 12, the upper end of the inflatable floating device 13 is fixedly connected with the bottom end of the ship base 2, and the connecting rod 10, the shock absorption groove 9, the ventilation solenoid valve 27, the exhaust pipeline 11, the exhaust valve 12 and the inflatable floating device 13 are arranged, so that the support rod 26, the support rod 12 and the inflatable floating device 13 can be driven by the force generated by the impact in the process of the impact, The slide plate 28 and the limit spring 29 are pushed, so that the airflow at the lower end of the slide plate 28 can be pushed, the airflow can be transmitted to the inside of the inflatable floating device 13 through the exhaust pipeline 11 and the exhaust valve 12, the lower end of the ship base 2 is enabled to float, and the sinking phenomenon of the ship base 2 is avoided.
Example 2
As shown in fig. 1 to 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the inside left end fixedly connected with anticollision layer 14 of protective housing 3, the right-hand member fixedly connected with buffer layer 15 of anticollision layer 14, the setting of protective housing 3, anticollision layer 14 and buffer layer 15 can effectively reduce the power that the striking produced at the in-process that the striking touched to can play the effect of protection to naval vessel base 2.
Example 3
As shown in fig. 1 to 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the left end of the liquid level measuring rod 5 is provided with an emergency lighting device main body 7, the emergency lighting device main body 7 is in signal connection with the electronic control element 4, the upper end of the emergency lighting device main body 7 is fixedly connected with the top end inside the ship base 2, the storage battery 17 is arranged inside the emergency lighting device main body 7, and the electronic control element 4, the emergency lighting device main body 7 and the storage battery 17 are arranged, so that real-time illumination can be performed on the inside of the ship base 2.
In this embodiment, a clamping groove 18 is formed at the left end of the emergency lighting device main body 7, a buffer spring 19 is fixedly connected at the right end inside the clamping groove 18, a connection module 16 is arranged at the left end of the emergency lighting device main body 7, the upper end of the connection module 16 is fixedly connected with the top end inside the ship base 2, a fixed block 20 is fixedly connected at the right end of the connection module 16, and the connection module 16, the clamping groove 18, the buffer spring 19, the fixed block 20, the waterproof layer 21 and the insulating layer 22 are arranged, so that a worker can conveniently take the emergency lighting device main body 7 down to conveniently detect a road, thereby conveniently and quickly finding a water leakage position, meanwhile, the outside of the emergency lighting device main body 7 has a waterproof effect, water flow can be effectively prevented from entering and the phenomenon of electric leakage of the emergency lighting device main body 7 can be effectively avoided, and the outside of the fixed block 20 is matched with the inside of the clamping groove 18, an insulating layer 22 is arranged outside the emergency lighting device main body 7, and a waterproof layer 21 is fixedly connected to the inner side of the insulating layer 22.
The working principle of the emergency training device for ship damage control is described in detail below.
As shown in fig. 1-5, when a water leak occurs in a ship, the water level can be detected by using the liquid level measuring rod 5 and the liquid level measuring element 6, then the water level is detected by signal connection with the electronic control element 4, then the electronic control element 4 controls the drainage pump 24, the water flow is pumped by the water pumping pipeline 25 and then discharged to the outside through the drainage pipeline 8, when the water leak occurs outside, the impact force can be relieved by using the inflatable floating device 13 and the anti-collision layer 14, then the support rod 26 is pressed by the connecting rod 10, then the sliding plate 28 is pressed, then the air flow at the lower end of the sliding plate 28 is pushed, then the air flow is transmitted to the inside of the inflatable floating device 13 through the ventilation valve 30, the exhaust pipeline 11 and the exhaust valve 12, then the lower end of the ship base 2 can be floated by using the inflatable floating device 13, thereby can avoid appearing sunken phenomenon, when the staff seeks the leak source, can carry out the folk prescription to promote to emergency lighting apparatus main part 7, extrude promoting convenient buffer spring 19 thereupon, utilize the dislocation of emergency lighting apparatus main part 7 to take off emergency lighting apparatus main part 7 afterwards, utilize the outside waterproof setting of emergency lighting apparatus main part 7, can also shine in aqueous, battery 17's setting has effectively guaranteed the continuation of the journey to emergency lighting apparatus main part 7 in addition.
The present invention has been described in general terms, but it will be apparent to those skilled in the art that modifications and improvements can be made based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (8)
1. The utility model provides a naval vessel harm emergency training device for control, includes cabin main part (1), the lower extreme fixedly connected with naval vessel base (2) of cabin main part (1), cabin main part (1) inside is provided with electronic control component (4), its characterized in that: a liquid level measuring rod (5) is fixedly connected to the inner part of the ship base (2), a liquid level measuring element (6) is fixedly connected to the outer part of the liquid level measuring rod (5), and a drainage device (23) is arranged in the cabin main body (1);
the left end of naval vessel base (2) is provided with protection dustcoat (3), the right-hand member fixedly connected with connecting rod (10) of protection dustcoat (3), the right-hand member of connecting rod (10) is provided with shock attenuation recess (9), the inside of shock attenuation recess (9) is provided with bracing piece (26), the lower extreme fixedly connected with slide (28) of bracing piece (26), the lower extreme fixedly connected with spacing spring (29) of slide (28), vent valve (30) have been seted up to the lower extreme of shock attenuation recess (9), the lower extreme fixedly connected with exhaust duct (11) of vent valve (30), the lower extreme fixedly connected with discharge valve (12) of exhaust duct (11), and the lower extreme fixedly connected with of discharge valve (12) aerifys flotation device (13).
2. The emergency training device for ship damage control according to claim 1, wherein: the lower extreme of shock attenuation recess (9) and the inside bottom fixed connection of naval vessel base (2) that sets up, the left end fixed connection of shock attenuation recess (9) has ventilation solenoid valve (27), ventilation solenoid valve (27) and electronic control element (4) signal connection who sets up.
3. The emergency training device for ship damage control according to claim 2, wherein: the support rod (26) is fixedly connected with the upper end of a limiting spring (29) through a sliding plate (28) which is arranged, and the limiting spring (29) is fixedly connected with the inner bottom end of a damping groove (9).
4. The emergency training device for ship damage control according to claim 3, wherein: spacing spring (29) set up the right-hand member in breather valve (30), exhaust duct (11) through discharge valve (12) that set up with aerify flotation device (13) fixed connection, aerify naval vessel base (2) bottom fixed connection of the upper end and the setting of flotation device (13).
5. The emergency training device for ship damage control according to claim 4, wherein: the anti-collision protective cover is characterized in that an anti-collision layer (14) is fixedly connected to the left end of the inner portion of the protective outer cover (3), and a buffer layer (15) is fixedly connected to the right end of the anti-collision layer (14).
6. The emergency training device for ship damage control according to claim 5, wherein: the left end of liquid level measuring pole (5) is provided with emergency lighting apparatus main part (7), and emergency lighting apparatus main part (7) and electronic control element (4) signal connection who sets up, the inside top fixed connection of the upper end of emergency lighting apparatus main part (7) and the naval vessel base (2) that sets up, the inside of emergency lighting apparatus main part (7) sets up battery (17).
7. The emergency training device for vessel damage control according to claim 6, wherein: draw-in groove (18) have been seted up to the left end of emergency lighting equipment main part (7), inside right-hand member fixedly connected with buffer spring (19) of draw-in groove (18), the left end of emergency lighting equipment main part (7) is provided with connecting module (16), the inside top fixed connection of naval vessel base (2) of upper end and the setting of connecting module (16), the right-hand member fixedly connected with fixed block (20) of connecting module (16), the outside of fixed block (20) and the inside looks adaptation of draw-in groove (18) of setting, the outside of emergency lighting equipment main part (7) is provided with insulating layer (22), inboard fixedly connected with waterproof layer (21) of insulating layer (22).
8. The emergency training device for ship damage control according to claim 7, wherein: the fixed drain pump (24) that is provided with in inside of drainage device (23), the lower extreme fixedly connected with of drain pump (24) draws water pipeline (25), and the lower extreme of drawing water pipeline (25) extends to the inside of warship base (2), the left end fixedly connected with drainage pipe (8) of drainage device (23), drainage device (23) and the electronic control component (4) electric wire connection who sets up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210588845.1A CN114937392B (en) | 2022-05-26 | 2022-05-26 | Emergency training device for ship damage control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210588845.1A CN114937392B (en) | 2022-05-26 | 2022-05-26 | Emergency training device for ship damage control |
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| Publication Number | Publication Date |
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| CN114937392A true CN114937392A (en) | 2022-08-23 |
| CN114937392B CN114937392B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210588845.1A Active CN114937392B (en) | 2022-05-26 | 2022-05-26 | Emergency training device for ship damage control |
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| DE102008040753A1 (en) * | 2008-07-25 | 2010-01-28 | Ikarus Modellsport | Hovercraft model i.e. remote controlled hovercraft model, has hull comprising upper hull frame and lower hull frame, air chamber partly enclosing lower hull, and multiple buoyancy bodies provided in air chamber |
| KR20160077869A (en) * | 2014-12-24 | 2016-07-04 | 대구광역시 달서구 | Apparatus for preventing sinking by inflating a flotation device |
| CN106347598A (en) * | 2015-07-17 | 2017-01-25 | 汤正云 | Ship sinking preventing device |
| CN106628041A (en) * | 2016-10-02 | 2017-05-10 | 王大伟 | Ship, floating pontoon, waterborne work platform sinking, rollover and back-off prevention system and method |
| CN210592361U (en) * | 2019-10-29 | 2020-05-22 | 陈志勇 | Anti-sinking ship |
| CN111591418A (en) * | 2020-05-26 | 2020-08-28 | 中国船舶科学研究中心 | Self-rescue device for increasing buoyancy of underwater vehicle |
| CN212921909U (en) * | 2020-08-27 | 2021-04-09 | 山东交通学院 | Self-righting device after sensing of overturning of motorboat |
| CN112644654A (en) * | 2021-01-11 | 2021-04-13 | 史琼 | Protection device for protecting offshore floating platform |
| CN215554011U (en) * | 2021-08-31 | 2022-01-18 | 山东华洋船舶有限公司 | Anti-sinking glass fiber reinforced plastic ship bottom structure |
-
2022
- 2022-05-26 CN CN202210588845.1A patent/CN114937392B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008040753A1 (en) * | 2008-07-25 | 2010-01-28 | Ikarus Modellsport | Hovercraft model i.e. remote controlled hovercraft model, has hull comprising upper hull frame and lower hull frame, air chamber partly enclosing lower hull, and multiple buoyancy bodies provided in air chamber |
| KR20160077869A (en) * | 2014-12-24 | 2016-07-04 | 대구광역시 달서구 | Apparatus for preventing sinking by inflating a flotation device |
| CN106347598A (en) * | 2015-07-17 | 2017-01-25 | 汤正云 | Ship sinking preventing device |
| CN106628041A (en) * | 2016-10-02 | 2017-05-10 | 王大伟 | Ship, floating pontoon, waterborne work platform sinking, rollover and back-off prevention system and method |
| CN210592361U (en) * | 2019-10-29 | 2020-05-22 | 陈志勇 | Anti-sinking ship |
| CN111591418A (en) * | 2020-05-26 | 2020-08-28 | 中国船舶科学研究中心 | Self-rescue device for increasing buoyancy of underwater vehicle |
| CN212921909U (en) * | 2020-08-27 | 2021-04-09 | 山东交通学院 | Self-righting device after sensing of overturning of motorboat |
| CN112644654A (en) * | 2021-01-11 | 2021-04-13 | 史琼 | Protection device for protecting offshore floating platform |
| CN215554011U (en) * | 2021-08-31 | 2022-01-18 | 山东华洋船舶有限公司 | Anti-sinking glass fiber reinforced plastic ship bottom structure |
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| CN114937392B (en) | 2023-07-21 |
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