CN116215803B - Device and method for unlocking detachable plate of inflatable life raft system - Google Patents
Device and method for unlocking detachable plate of inflatable life raft system Download PDFInfo
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- CN116215803B CN116215803B CN202211441355.5A CN202211441355A CN116215803B CN 116215803 B CN116215803 B CN 116215803B CN 202211441355 A CN202211441355 A CN 202211441355A CN 116215803 B CN116215803 B CN 116215803B
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- fixed rod
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- 238000000034 method Methods 0.000 title abstract description 11
- 230000007246 mechanism Effects 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 11
- 239000011162 core material Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000012779 reinforcing material Substances 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000009471 action Effects 0.000 description 7
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/02—Lifeboats, life-rafts or the like, specially adapted for life-saving
- B63C9/04—Life-rafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/02—Lifeboats, life-rafts or the like, specially adapted for life-saving
- B63C9/04—Life-rafts
- B63C2009/042—Life-rafts inflatable
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The application relates to the technical field of detachable plate unlocking of a life raft system, and particularly provides a detachable plate unlocking device and a detachable plate unlocking method of an inflatable life raft system.
Description
Technical Field
The application relates to the technical field of detachable plate unlocking devices of life raft systems, and particularly provides an inflatable life raft system detachable plate unlocking device and method.
Background
The inflatable life raft system refers to life-saving support equipment on the water surface of an underwater vehicle, and a certain amount of food and fresh water are reserved in the life raft for passengers to drift and stay on the sea for use in emergency.
When the inflatable life raft system is not in use, the inflatable life raft system is fixed on an underwater vehicle through the surrounding device and the fastening belt, the upper layer of the surrounding device is a detachable plate, when the inflatable life raft needs to be released, the detachable plate is firstly unlocked, and the inflatable life raft system floats away through self-buoyancy, so that a release space is prepared for releasing the inflatable life raft. The smooth unlocking of the detachable panels is thus a key step in the release of the inflatable liferaft system. If the unlocking device of the detachable plate is complex, the release reliability is possibly low, and even under the long-term underwater soaking or water wave impact, the unlocking can not be smoothly performed.
Disclosure of Invention
In order to solve the above problems, the present application provides a detachable board unlocking device and method for an inflatable life raft system, which are used for solving the above problems in the prior art.
In order to achieve the above purpose, the present application is implemented by adopting the following technical scheme:
the utility model provides a removable board unlocking device of physiosis formula life raft system, includes removable board, connecting piece and pneumatic release mechanism, installs a plurality of connecting pieces on the removable board, connecting piece and pneumatic release mechanism sliding fit.
The detachable plate comprises a cover plate and a rotary branched chain, the cover plate is connected with the deck through the rotary branched chain, and a connecting piece is arranged at a position where the cover plate is not connected with the deck.
The pneumatic unlocking mechanism comprises an air cylinder, a connecting plate and bolts, wherein the fixed end of the air cylinder is arranged on a deck, the connecting plate is arranged at the telescopic end of the air cylinder, the bolts are symmetrically arranged on the connecting plate along the length direction of the connecting plate, the positions of the bolts correspond to the positions of the connecting pieces one by one, and jacks for sliding fit with the bolts are formed in the connecting pieces.
The rotation branched chain comprises a fixed rod, a rotation part and an elastic anti-rotation part, wherein two ends of the fixed rod are connected with a deck, the fixed rod is of a hollow structure and is equally divided into an upper part and a lower part, the upper part and the lower part are connected through bolts, the rotation part is installed on the fixed rod in a bilateral symmetry rotation mode, the rotation part is connected with a cover plate, an elastic anti-rotation part for preventing the cover plate from rotating is arranged between the fixed rod and the rotation part, and an anti-rotation groove matched with the elastic anti-rotation part is formed in the rotation part.
Preferably, the elastic anti-rotation member comprises a supporting seat, a guide rod, an elastic anti-rotation block and a reset block, the supporting seat is slidably mounted on the guide rod, the guide rod is mounted inside the fixing rod, the supporting seat is connected with the fixing rod through a spring, the elastic anti-rotation block corresponding to the anti-rotation groove is mounted on one side of the upper end of the supporting seat, the reset block is mounted on the other side of the upper end of the supporting seat, the reset groove is formed in the position, corresponding to the reset block, of the upper end of the fixing rod, the square groove is formed in the position, corresponding to the elastic anti-rotation block, of the upper end of the fixing rod, and the square groove is smaller than the anti-rotation groove.
Preferably, the elastic anti-rotation block comprises a middle block and a buffer block, buffer grooves are formed in the front side and the rear side of the middle block, the buffer grooves are connected with the buffer block in a sliding mode through sliding blocks, springs are connected between the buffer block and the middle block, and the upper ends of the buffer blocks are subjected to chamfering.
Preferably, the cover plate comprises a skin and a sandwich material, and the surface of the sandwich material is coated with the skin.
Preferably, the skin adopts vinyl resin as a resin matrix and glass fiber fabric as a reinforcing material.
Preferably, the sandwich material is composed of a buoyancy core material and PVC foam.
Preferably, the cover plate is rectangular, and the thickness of the central area of the cover plate is larger than that of the outer area.
Preferably, the number of the connecting pieces is six, and the connecting pieces are uniformly distributed on the upper end surfaces of the front side, the rear side and the left side of the cover plate.
Preferably, the front, rear and left sides of the cover plate are provided with slope feet, and the angle range of the slope feet is 25-30 degrees.
Preferably, the cover plate is connected with the connecting piece through a screw, so that the detachable function of the device is realized.
Preferably, the method for unlocking the detachable plate of the inflatable life raft system is completed by adopting the detachable plate unlocking device of the inflatable life raft system in a matched manner, and the specific unlocking steps are as follows:
s1, fixing a detachable plate: the detachable plate is stably fixed on the deck through the combined action of the connecting piece and the pneumatic unlocking mechanism so as to support the life raft.
S2, unlocking the detachable plate: the cooperation of the pneumatic unlocking mechanism and the connecting piece is released, so that the detachable plate is connected with the deck only through the connecting piece, and the detachable plate turns downwards around the connecting piece.
S3, releasing the life raft: after the detachable boards are turned down, the life raft is released for emergency rescue work through the life raft.
The technical scheme has the following advantages or beneficial effects: 1. the application provides a detachable plate unlocking device and a detachable plate unlocking method for an inflatable life raft system, which can fix the detachable plate through a connecting piece and a pneumatic unlocking mechanism when the life raft is not required to be released, so that the detachable plate can stably support the life raft, and can be quickly turned down to release the life raft only by connecting the detachable plate with a deck through the connecting piece when the life raft is required to be released for emergency rescue work.
2. The application provides a detachable plate unlocking device and a method for an inflatable life raft system, wherein the avoidance positions of a connecting piece and a pneumatic unlocking mechanism are uniformly distributed, and the fixing stability of the detachable plate can be ensured on the premise of avoiding the obstruction of the pneumatic unlocking mechanism to the overturning of the detachable plate.
3. The application provides a detachable plate unlocking device and a detachable plate unlocking method for an inflatable life raft system, wherein an elastic rotation prevention member can prevent a cover plate from rotating greatly to prevent the situation that the actual falling position of the life raft deviates from a designated position due to the blockage caused by the falling of the life raft, and the cover plate can rotate in a small amplitude on the premise of not influencing the falling of the life raft due to the elasticity of the elastic rotation prevention member, so that impact damage caused by directly locking the rotation member and the cover plate is avoided.
Drawings
The application and its features, aspects and advantages will become more apparent from the detailed description of non-limiting embodiments with reference to the following drawings. Like numbers refer to like parts throughout the several views, and are not intended to scale, emphasis instead being placed upon illustrating the principles of the application.
Fig. 1 is a schematic perspective view of the present application.
Fig. 2 is a front view of the present application.
Fig. 3 is a front cross-sectional view of the removable plate.
Fig. 4 is a top cross-sectional view of the removable plate.
Fig. 5 is a top cross-sectional view of the removable plate.
Fig. 6 is a top cross-sectional view of the removable plate.
Fig. 7 is a top cross-sectional view of the removable plate.
In the figure: 1. a detachable plate; 11. a cover plate; 111. a skin; 112. a sandwich material; 12. rotating the branched chain; 121. a fixed rod; 122. a rotating member; 123. an elastic anti-rotation member; 124. a support base; 125. a guide rod; 126. an elastic anti-rotation block; 127. a reset block; 128. a middle block; 129. a buffer block; 2. a connecting piece; 3. a pneumatic unlocking mechanism; 31. a cylinder; 32. a connecting plate; 33. a bolt.
Detailed Description
The following detailed description of the present application, given by way of example and not by way of limitation, is set forth in the accompanying drawings to provide a more complete, accurate and thorough understanding of the concepts and aspects of the present application, and to facilitate its practice.
Referring to fig. 1, a detachable plate unlocking device of an inflatable life raft system comprises a detachable plate 1, connecting pieces 2 and a pneumatic unlocking mechanism 3, wherein a plurality of connecting pieces 2 are arranged on the detachable plate 1, and the connecting pieces 2 are in sliding fit with the pneumatic unlocking mechanism 3.
Referring to fig. 1 and 2, the detachable plate 1 includes a cover plate 11 and a rotating branched chain 12, the cover plate 11 is connected with the deck through the rotating branched chain 12, and the connecting piece 2 is installed at a position where the cover plate 11 is not connected with the deck. The cover plate 11 is connected with the connecting piece 2 through screws, so that the detachable function of the device is realized.
Referring to fig. 5, the rotary branched chain 12 includes a fixing rod 121, a rotating member 122 and an elastic anti-rotation member 123, two ends of the fixing rod 121 are connected with the deck, the fixing rod 121 is of a hollow structure, the fixing rod 121 is equally divided into an upper part and a lower part, the upper part and the lower part are connected through bolts, the rotating member 122 is installed on the fixing rod 121 in a bilateral symmetry rotation manner, the rotating member 122 is connected with the cover plate 11, an elastic anti-rotation member 123 for preventing the cover plate 11 from rotating is arranged between the fixing rod 121 and the rotating member 122, and an anti-rotation groove matched with the elastic anti-rotation member 123 is formed in the rotating member 122.
Referring to fig. 5, the elastic anti-rotation member 123 includes a supporting seat 124, a guiding rod 125, an elastic anti-rotation block 126 and a reset block 127, the supporting seat 124 is slidably mounted on the guiding rod 125, the guiding rod 125 is mounted inside the fixing rod 121, the supporting seat 124 is connected with the fixing rod 121 through a spring, the elastic anti-rotation block 126 corresponding to the anti-rotation slot is mounted on one side of the upper end of the supporting seat 124, the reset block 127 is mounted on the other side of the upper end of the supporting seat 124, a reset slot is formed at the position of the upper end of the fixing rod 121 corresponding to the reset block 127, a square slot is formed at the position of the upper end of the fixing rod 121 corresponding to the elastic anti-rotation block 126, and the square slot is smaller than the anti-rotation slot; when the rotating member 122 drives the cover plate 11 to rotate below the fixed rod 121, the anti-rotation groove corresponds to the position of the elastic anti-rotation block 126, under the action of the elastic force of the spring, the supporting seat 124 drives the elastic anti-rotation block 126 to be clamped into the anti-rotation groove, meanwhile, the reset block 127 stretches out of the reset groove, at the moment, the rotating member 122 and the cover plate 11 cannot be turned upwards by a large extent under the action of inertia, the problem that the rotating cover plate 11 hinders the falling of the life raft can be avoided, and when the cover plate 11 needs to be reset, the reset block 127 is manually pressed downwards to completely enter the reset groove.
Referring to fig. 6 and 7, the elastic anti-rotation block 126 includes a middle block 128 and a buffer block 129, the front and rear sides of the middle block 128 are both provided with buffer grooves, the buffer grooves are slidably connected with the buffer block 129 through a sliding block, a spring is connected between the buffer block 129 and the middle block 128, and the upper end of the buffer block 129 is subjected to chamfering treatment so as to be conveniently clamped into the anti-rotation groove; when the supporting seat 124 rises to the highest position under the action of the spring, the buffer block 129 is completely located outside the fixing rod 121, at this time, the buffer block 129 can move in a direction away from the middle block 128 under the action of the spring until the buffer block 129 is attached to the inner wall of the anti-rotation groove, before the supporting seat 124 rises to the highest position, the buffer block 129 is attached to the inner wall of the square groove, and because the size of the square groove is smaller than that of the anti-rotation groove, the buffer block 129 cannot contact the inner wall of the anti-rotation groove in the process of extending into the anti-rotation groove, so that the elastic anti-rotation block 126 can conveniently and rapidly enter the anti-rotation groove, and because the buffer block 129 is in elastic connection with the middle block 128, after the elastic anti-rotation block 126 is clamped into the anti-rotation groove, the rotating member 122 can still drive the cover plate 11 to rotate in a small extent under the premise of not affecting the falling of the life raft, so as to avoid impact damage caused by the direct locking of the rotating member 122 and the cover plate 11.
Referring to fig. 2, the pneumatic unlocking mechanism 3 includes a cylinder 31, a connecting plate 32 and a latch 33, the fixed end of the cylinder 31 is mounted on the deck, the connecting plate 32 is mounted at the telescopic end of the cylinder 31, the latch 33 is symmetrically mounted on the connecting plate 32 along the length direction thereof, the positions of the latch 33 correspond to the positions of the connecting pieces 2 one by one, and the connecting pieces 2 are provided with jacks for sliding fit with the latch 33.
In the initial state, the bolt 33 stretches into the jack, the cover plate 11 is simultaneously subjected to the holding-down effect of the bolt 33 and the rotary branched chain 12, stable support can be provided for the cover plate 11 and the inflatable life raft placed on the cover plate 11, when the inflatable life raft needs to be released, the pneumatic unlocking mechanism 3 is started, the air cylinder 31 pulls the bolt 33 through the connecting plate 32, the bolt 33 is pulled out from the jack formed in the connecting piece 2, the cover plate 11 is connected with the deck only through the rotary branched chain 12, the cover plate 11 and the connecting piece 2 lose the holding-down effect of the bolt 33, and the life raft is opened under the impact of the life raft, so that the life raft is released smoothly.
Referring to fig. 3 and 4, the cover plate 11 includes a skin 111 and a core material 112, and the surface of the core material 112 is covered with the skin 111. The sandwich material 112 is composed of a buoyant core material and PVC foam. The sandwich material 112 is used to provide buoyancy and the skin 111 is used to protect the sandwich material 112. The skin 111 uses vinyl resin as a resin matrix and glass fiber fabric as a reinforcing material to ensure the strength of the skin 111.
Referring to fig. 3 and 4, the cover 11 is rectangular, and the thickness of the central area of the cover 11 is greater than that of the outer area.
Referring to fig. 1, the number of the connecting pieces 2 is six, and the connecting pieces are uniformly distributed on the upper end surfaces of the front, rear and left sides of the cover plate 11. The evenly distributed connecting pieces 2 can be matched with the rotary branched chains 12 to stably support the cover plate 11, and the connecting pieces 2 and the rotary branched chains 12 are distributed in a avoiding position, so that the cover plate 11 cannot be blocked from falling when being opened.
Referring to fig. 2 and 3, the front, rear and left sides of the cover plate 11 are provided with a toe with an angle ranging from 25 ° to 30 °. The optimum slope angle of the toe is 25 ° -30 °, and when the slope angle is smaller than this value, the smaller the slope angle, the smaller the overall rigidity of the structure, the greater the deformation of the slope region under load, the greater the stress of the sandwich material 112, and the stress concentration mainly occurs at the upper and lower end edges of the slope. When the gradient angle is greater than the optimum value, as the gradient angle increases, the load transferred upward by the slope becomes smaller, the load on the upper panel of the cover plate 11 becomes smaller, the lower panel receives the main load, the shearing load applied to the lower end of the core material 112 becomes larger, the squeezing action applied to the lower end edge of the slope becomes more obvious, and the stress concentration mainly occurs in this part of the area. Therefore, the cover plate 11 according to the application is preferably designed with a toe angle of 25 °.
The application also provides an unlocking method of the detachable plate of the inflatable life raft system, which is completed by adopting the unlocking device of the detachable plate of the inflatable life raft system, and the specific unlocking steps are as follows:
s1, fixing a detachable plate 1: the detachable board 1 is stably fixed on the deck by the combined action of the connecting piece 2 and the pneumatic unlocking mechanism 3 so as to support the life raft.
S2, unlocking the detachable plate 1: the cooperation of the pneumatic unlocking mechanism 3 and the connecting piece 2 is released, so that the detachable plate 1 is connected with the deck only through the connecting piece 2, and the detachable plate 1 turns downwards around the connecting piece 2.
S3, releasing the life raft: after the detachable board 1 is turned down, the liferaft is released for emergency rescue work by the liferaft.
Those skilled in the art will appreciate that the above-described modifications may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and are not described herein. Such modifications do not affect the essence of the present application, and are not described herein.
The preferred embodiments of the present application have been described above. It is to be understood that the application is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; any person skilled in the art will make many possible variations and modifications, or adaptations to equivalent embodiments without departing from the technical solution of the present application, which do not affect the essential content of the present application. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present application still fall within the scope of the technical solution of the present application.
Claims (8)
1. The utility model provides a removable board unlocking device of inflatable life raft system, includes removable board (1), connecting piece (2) and pneumatic release mechanism (3), its characterized in that: a plurality of connecting pieces (2) are arranged on the detachable plate (1), and the connecting pieces (2) are in sliding fit with the pneumatic unlocking mechanism (3);
the detachable plate (1) comprises a cover plate (11) and a rotary branched chain (12), the cover plate (11) is connected with the deck through the rotary branched chain (12),
the connecting piece (2) is arranged at the position of the cover plate (11) which is not connected with the deck;
the pneumatic unlocking mechanism (3) comprises an air cylinder (31), a connecting plate (32) and bolts (33), wherein the fixed end of the air cylinder (31) is arranged on a deck, the connecting plate (32) is arranged at the telescopic end of the air cylinder (31), the bolts (33) are symmetrically arranged on the connecting plate (32) along the length direction of the connecting plate, the positions of the bolts (33) are in one-to-one correspondence with the positions of the connecting pieces (2), and insertion holes for sliding fit with the bolts (33) are formed in the connecting pieces (2);
the rotary branched chain (12) comprises a fixed rod (121), a rotary part (122) and an elastic anti-rotation part (123), wherein two ends of the fixed rod (121) are connected with a deck, the fixed rod (121) is of a hollow structure, the rotary part (122) is installed on the fixed rod (121) in a bilateral symmetry rotation mode, the rotary part (122) is connected with the cover plate (11), an elastic anti-rotation part (123) for preventing the cover plate (11) from rotating is arranged between the fixed rod (121) and the rotary part (122), and an anti-rotation groove matched with the elastic anti-rotation part (123) is formed in the rotary part (122);
the elastic anti-rotation member (123) comprises a supporting seat (124), a guide rod (125), an elastic anti-rotation block (126) and a reset block (127), wherein the supporting seat (124) is slidably installed on the guide rod (125), the guide rod (125) is installed inside the fixed rod (121), the supporting seat (124) is connected with the fixed rod (121) through a spring, the elastic anti-rotation block (126) corresponding to the anti-rotation groove is installed on one side of the upper end of the supporting seat (124), the reset block (127) is installed on the other side of the upper end of the supporting seat (124), a reset groove is formed in the position, corresponding to the reset block (127), of the upper end of the fixed rod (121), a square groove is formed in the position, corresponding to the elastic anti-rotation block (126), of the upper end of the fixed rod (121), and the square groove is smaller than the anti-rotation groove;
the elastic anti-rotation block (126) comprises a middle block (128) and a buffer block (129), buffer grooves are formed in the front side and the rear side of the middle block (128), the buffer grooves are connected with the buffer block (129) in a sliding mode through sliding blocks, springs are connected between the buffer block (129) and the middle block (128), and the upper end of the buffer block (129) is subjected to chamfering treatment.
2. An inflatable liferaft system releasable panel unlocking device according to claim 1, wherein: the cover plate (11) comprises a skin (111) and a sandwich material (112), and the surface of the sandwich material (112) is coated with the skin (111).
3. An inflatable liferaft system releasable panel unlocking device according to claim 2, wherein: the skin (111) adopts vinyl resin as a resin matrix and glass fiber fabric as a reinforcing material.
4. An inflatable liferaft system releasable panel unlocking device according to claim 2, wherein: the sandwich material (112) is composed of a buoyancy core material and PVC foam.
5. An inflatable liferaft system releasable panel unlocking device according to claim 1, wherein: the cover plate (11) is rectangular, and the thickness of the central area of the cover plate (11) is larger than that of the outer area.
6. An inflatable liferaft system releasable panel unlocking device according to claim 1, wherein: the number of the connecting pieces (2) is six, and the connecting pieces are uniformly distributed on the front, rear and left upper end faces of the cover plate (11).
7. An inflatable liferaft system releasable panel unlocking apparatus according to claim 5, wherein: the front, rear and left sides of the cover plate (11) are provided with slope feet, and the angle range of the slope feet is 25-30 degrees.
8. An inflatable liferaft system releasable panel unlocking device according to claim 1, wherein: the cover plate (11) is connected with the connecting piece (2) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211441355.5A CN116215803B (en) | 2022-11-17 | 2022-11-17 | Device and method for unlocking detachable plate of inflatable life raft system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211441355.5A CN116215803B (en) | 2022-11-17 | 2022-11-17 | Device and method for unlocking detachable plate of inflatable life raft system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116215803A CN116215803A (en) | 2023-06-06 |
| CN116215803B true CN116215803B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211441355.5A Active CN116215803B (en) | 2022-11-17 | 2022-11-17 | Device and method for unlocking detachable plate of inflatable life raft system |
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| CN (1) | CN116215803B (en) |
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| Publication number | Publication date |
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| CN116215803A (en) | 2023-06-06 |
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