CN110001894B - Underwater equipment release device and release method thereof - Google Patents
Underwater equipment release device and release method thereof Download PDFInfo
- Publication number
- CN110001894B CN110001894B CN201910418744.8A CN201910418744A CN110001894B CN 110001894 B CN110001894 B CN 110001894B CN 201910418744 A CN201910418744 A CN 201910418744A CN 110001894 B CN110001894 B CN 110001894B
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- release
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- hook
- wedge
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241000237502 Ostreidae Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000020636 oyster Nutrition 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an underwater equipment release device and a release method thereof, wherein the release device comprises a sealed cabin, a power driving mechanism arranged in the sealed cabin and a hook release mechanism arranged on the sealed cabin, the power driving mechanism comprises an electromagnetic release device and a torsion spring rotary unhooking device, the torsion spring rotary unhooking device comprises a release column, a torsion spring and a swing rod, the release column is rotatably arranged on the sealed cabin, the upper part of the release column is exposed out of the sealed cabin, the lower part of the release column is arranged in the sealed cabin and fixedly connected with the swing rod, one end of the torsion spring is sleeved on the release column, the other end of the torsion spring is fixed on the sealed cabin, and the other end of the torsion spring is fixed on the swing rod. The invention realizes the release purpose by combining the electromagnet and the torsion spring, and simultaneously the impact release of torsion can prevent the release column from being held by the underwater conchioids for a long time, thereby avoiding the failure of the release device.
Description
Technical Field
The invention belongs to the technical field of underwater operation equipment, relates to a device for a submarine observation network and a marine pasture, and particularly relates to an underwater equipment release device and a release method thereof.
Background
In applications such as marine environmental monitoring, underwater target detection, and subsea resource exploration and development, many devices are deployed below the sea surface, requiring periodic recovery and maintenance. The common underwater release device is mainly an acoustic release device, and the acoustic release device has high price, large volume, complex structure and most of imported equipment. Patent CN201710090394.8 discloses a release under water, sticiss the rope on the resistance spare, through the resistance spare short circuit intensification on the circuit board with the rope blowing, and then release article, because the rope is disposable, need use new rope when hanging article again next time after blowing, causes extravagant and uses inconveniently. In addition, the release device in the prior art has the condition that equipment cannot be recovered due to failure in release due to the fact that underwater organisms are attached (such as oyster, sea siphon and other shellfish) in the use process.
Therefore, when designing a release device for use under water, various factors such as a complicated marine environment, ease of operation of the release device, reliability, and the like are considered.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides the underwater equipment release device and the release method thereof, the purpose of release is realized through the cooperation of the electromagnet and the torsion spring, meanwhile, the torsion spring has the impact release function, and the release of torsion force can prevent the release column from being held by the underwater conchiohes for a long time, so that the failure of the release device is avoided.
In order to solve the technical problems, the invention adopts the following technical scheme:
The utility model provides an underwater equipment release, includes the sealed cabin, locates the inside power drive mechanism of sealed cabin, locates the couple release mechanism on the sealed cabin, power drive mechanism includes electromagnetic release and torsional spring rotation unhook device, torsional spring rotation unhook device includes release post, torsional spring, pendulum rod, and the release post rotates to be installed on the sealed cabin, and upper portion exposes the sealed cabin, and the lower part is located the sealed cabin inside to with pendulum rod fixed connection, the torsional spring cover is on the release post, and one end is fixed in on the sealed cabin, and one end is fixed in on the pendulum rod.
Further, the hook release mechanism comprises two support plates and a hook arranged in the middle of the two support plates, the support plates are fixedly arranged on the sealed cabin, a U-shaped groove is formed in each support plate, each hook comprises a first end and a second end, the first end is matched with the U-shaped groove to hang or release articles, and the second end is matched with the release column.
Preferably, the top end of the release column is contacted with the second end of the hook, and the top end of the release column is of a 45-degree inclined plane column structure, and the vertical side wall of the release column is contacted with the hook to block the hook from releasing.
Preferably, the first end part and the second end part form a 7-shaped structure, the connection part is arranged on the support plate through the rotating shaft, and the length of the second end part is longer than that of the first end part; when the second end part is contacted with the release column, the contact surface of the second end part is positioned in the vertical direction; the vertical side wall of the inclined plane cylinder at the top end of the release column stops the hook from rotating to release, and when the release column rotates 180 degrees, the release column is not contacted with the hook to release the hook.
Further, the electromagnetic release device comprises an electromagnet and a wedge-shaped column, the electromagnet is electrified to attract the wedge-shaped column, the wedge-shaped column moves upwards, the torsion accumulated by the torsion spring is released, and the swing rod is released to drive the release column to rotate 180 degrees; the electromagnet is powered off to release the wedge-shaped column, the wedge-shaped column moves downwards, and the swinging rod is limited to rotate.
Further, the sealed cabin comprises a sealed base and a flange body, wherein the flange body is arranged on the sealed base, a first extension part extends into the sealed base, and a second extension part extends out of the sealed base; the release post runs through first extension and second extension, release post upper portion and second extension sealing connection, torsion spring cover are in release post lower part, and the one end of torsional spring is fixed in on the first extension, and one end is fixed in on the pendulum rod.
Preferably, the release column and the swing rod are fixedly connected into a whole through a shaft pin.
Preferably, the flange body is connected with the sealing base through a bolt, a first sealing ring is arranged between the flange body and the sealing base, and a positioning ring is arranged between the flange body and the release column; and a second sealing ring is arranged between the second extension part and the release column to form dynamic seal, and a bearing is arranged between the lower part of the first extension part and the release column.
Furthermore, a watertight plug is arranged on the sealed cabin, one end of the watertight plug is connected with the onshore communication device, and the other end of the watertight plug is connected with the electromagnetic iron.
Further, the release column is provided with a hexagonal structure for resetting the wrench.
The invention also designs an underwater equipment release method which is carried out by using the release device, and comprises the following steps:
(1) When the hook is required to be released to a designated place, the electromagnet is electrified to receive the designation, the wedge-shaped column is attracted, the wedge-shaped column moves upwards, the swing rod is released, the torsion accumulated by the torsion spring is released, the torsion impacts the swing rod to rotate, the release column is driven to rotate 180 degrees, the top end of the release column is separated from the hook, and the hook is released;
(2) When a new object needs to be hung and installed, the electromagnet is powered off to release the wedge-shaped column, and the wedge-shaped column moves downwards; at the moment, the release column is screwed by external force, so that the release column drives the swing rod to rotate 180 degrees, the torsion spring stores force, and meanwhile, the swing rod is limited by the wedge-shaped column to prevent the swing arm from rotating;
(3) Thus, the object can be hung and released for many times.
Compared with the prior art, the invention has the advantages that:
(1) The invention utilizes the advantage of cable communication of the submarine observation network, and aims at application requirements to invent a release device combining an underwater electromagnet with a torsion spring so as to realize the release purpose;
(2) The device has an initial impact rotation function, and the release of torsion force of the torsion spring can prevent the release column from being held by underwater shells for a long time, so that the failure of the release device is avoided;
(3) The device has the advantages of small volume, light weight, high reliability and low price, has an independent release function, and can be conveniently installed on underwater equipment.
(4) The invention has better application prospect, and can be applied to underwater cabled monitoring systems such as marine pasture observation networks, marine oil drilling platform monitoring, lake water quality monitoring and the like to realize the arrangement, periodic recovery, maintenance, overhaul, beacon release and the like of underwater equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall appearance structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic diagram of a pre-release configuration;
FIG. 4 is a schematic view of the structure after release;
fig. 5 is a cross-sectional view A-A of fig. 3.
In the figure, 1. A support plate; 2. a hook; 3. a rotating shaft; 4. a release column; 5. a flange body; 6. a bolt; 7. a watertight plug; 8. a seal base; 9. a second seal ring; 10. a positioning ring; 11. an electromagnet; 12. a bearing; 13. a torsion spring; 14. swing rod; 15. an anchor bolt; 16. a first seal ring; 17. a wedge-shaped column; 18. a hexagonal structure; 21. a first end; 22. a second end; 51. a first extension; 52. a second extension.
Detailed Description
For the purpose of promoting an understanding of the principles of the invention, reference will now be made to the embodiments illustrated in the drawings and specific examples, and specific examples should not be used to limit the scope of the embodiments.
The utility model provides an underwater equipment release, can regard as independent part to install different equipment on the use, including the sealed cabin, locate the inside power drive mechanism of sealed cabin, locate the couple release mechanism on the sealed cabin, power drive mechanism includes electromagnetic release and torsional spring rotation unhooking device, electromagnetic release obtains release instruction, release torsional spring rotation unhooking device, and then realizes the release of couple release mechanism, accomplishes the purpose of release.
Specifically, as shown in fig. 1 and 2, the torsion spring rotary unhooking device comprises a release column 4, a torsion spring 13 and a swing rod 14, wherein the release column 4 is rotatably installed on a sealed cabin, the upper part of the release column is exposed out of the sealed cabin, the lower part of the release column is positioned in the sealed cabin and is fixedly connected with the swing rod 14 into a whole through a shaft pin, the torsion spring 13 is sleeved on the release column 4, one end of the torsion spring is fixed on the sealed cabin, and the other end of the torsion spring is fixed on the swing rod 14.
The sealed cabin is made of stainless steel and comprises a flange body 5 and a sealed base 8, wherein the flange body 5 is arranged on the sealed base 8, a first extension part 51 extends into the sealed base 8, a second extension part 52 extends out of the sealed base 8, and the sealed cabin is of a cylindrical structure. The release column 4 is mounted on the flange body 5, penetrates through the first extension portion 51 and the second extension portion 52, the upper portion of the release column 4 is in sealing connection with the second extension portion 52, the torsion spring 13 is sleeved on the lower portion of the release column 4, one end of the torsion spring 13 is fixed on the first extension portion 51, and one end of the torsion spring 13 is fixed on the swing rod 14, and the mounting position of the torsion spring is shown in fig. 2 and 5. In order to improve the sealing performance of the sealed cabin, the flange body 5 is connected with the sealing base 8 through the bolts 6, a first sealing ring 16 is arranged between the flange body 5 and the sealing base 8, two second sealing rings 9 are arranged between the second extending part 52 and the release column 4 to form dynamic sealing, and the adopted sealing rings are O-shaped sealing rings. Furthermore, a positioning ring 10 is provided between the flange body 5 and the release post 4, and a bearing 12 is provided between the lower portion of the first extension 51 and the release post 4 for rotation and positioning of the release post 4.
As one embodiment of the invention, the hook release mechanism is used for hanging and releasing objects and comprises two support plates 1 and a hook 2 arranged between the two support plates 1, wherein the support plates 1 are fixedly arranged on a flange body 5 of a sealed cabin, and U-shaped grooves are formed in the support plates 1. The hook 2 comprises a first end 21 and a second end 22, the first end 21 being fitted with a U-shaped slot for hanging or releasing an object, the second end 22 being fitted with a release post 4.
The invention makes more reasonable design for the structure of the contact part of the release column and the hook, as shown in figure 2, the first end part 21 and the second end part 22 of the hook 2 form a 7-shaped structure, and the joint is arranged on the support plate 1 through the rotating shaft 3 and positioned at one side of the U-shaped groove; and the second end 22 has a length greater than that of the first end 21, the force can be saved by lever management, and a larger force can be obtained at the first end 21, so that an object can be hung at the first end 21 and the U-shaped groove.
In addition, the top end of the release post 4 is in contact with the second end 22 of the hook 2, and the top end of the release post 4 is in a 45-degree inclined cylinder structure, and the vertical side wall of the release post 4 is in contact with the hook 2, so that the hook 2 is blocked from being released. And the contact part of the second end part 22 and the release column 4 is also in a bevel structure, and when the second end part 22 contacts with the release column 4, the contact surface of the second end part 22 is positioned in the vertical direction. Before releasing, the vertical side wall of the inclined plane column body at the top end of the release column 4 stops the hook 2 from rotating to release, and if the release column 4 rotates 180 degrees, the two are not contacted any more, so that the release of the hook 2 is realized. The structure of the release post 4 when in contact with and out of contact with the hook 2 can be seen in figures 2,3 and 4.
Referring to fig. 2 and 3, the electromagnetic release device of the present embodiment includes an electromagnet 11 and a wedge-shaped post 17, wherein the electromagnet 11 is fixed to the inner wall of the flange body 5 through a frame, and the wedge-shaped post 17 protrudes from the frame. The electromagnet 11 is electrified to attract the wedge-shaped column 17, the wedge-shaped column 17 moves upwards, the electromagnet 11 is powered off to release the wedge-shaped column 17, and the wedge-shaped column 17 moves downwards.
However, the electromagnetic release device used in the present invention is used to limit the position of the swing link 14, and when in use (before release), referring to the state shown in fig. 3, the torsion spring 13 accumulates a large torsion force, so that the swing link 14 is caused to have a tendency to rotate clockwise by 180 degrees to release the torsion force, and the wedge-shaped post 17 can limit the swing link 14 to prevent rotation thereof. That is, when the electromagnet 11 is electrified to attract the wedge-shaped column 17, the wedge-shaped column 17 moves upwards, the torsion accumulated by the torsion spring 13 is released, the swing rod 14 is released, the release column 4 is driven to rotate 180 degrees, and the torsion spring 13 is released to provide a rapid rotating impact force for the release column 4 due to the larger torsion of the torsion spring 13, so that the release column 4 is prevented from being held by underwater shells for a long time, and the released state is shown in fig. 4. When the electromagnet 11 is powered off to release the wedge-shaped column 17, the wedge-shaped column 17 moves downwards to limit the swing rod 14 to rotate.
In order to realize the effect of the electromagnetic release device, the invention is connected and electrified with the shore communication device, so that the watertight plug 7 is arranged on the sealed cabin and is used for communicating release signals, one end of the watertight plug 7 is connected with the shore communication device, and the other end is electrically connected with the electromagnet 11.
In order to realize repeated use, the release column 4 is provided with the hexagonal structure 18 for resetting the wrench, and when an object needs to be hung again after one-time release is finished, the release column 4 can stop the release of the hook 2 through 180-degree rotation of the wrench.
The release device is fixed on underwater equipment by using the anchor bolt 15, the watertight plug 7 is connected with shore communication, an object is hung, the torsion spring 13 stores force before release, the wedge-shaped column 17 limits the position of the swing rod 14 and prevents the swing rod from rotating, namely, the position of the swing rod 14 is locked by the wedge-shaped column 17; when the electromagnet 11 is connected to the command attraction wedge-shaped column 17, the wedge-shaped column 17 releases the swing rod 14, the swing rod 14 rotates under the driving of the power of the torsion spring 13 so as to drive the release column 4 to rotate 180 degrees, and the hook 2 is released, so that the release function is achieved.
As an embodiment of the present invention, the present embodiment designs a method for releasing underwater equipment, which can be performed by using the foregoing releasing device, including the steps of:
(1) When the hook 2 needs to be released at a designated place, the electromagnet 11 is electrified to receive the designation, the wedge-shaped column 17 is attracted, the wedge-shaped column 17 moves upwards, the swing rod 14 is released, the torsion accumulated by the torsion spring 13 is released, the torsion impact swing rod 14 rotates to drive the release column 4 to rotate 180 degrees, the top end of the release column 4 is separated from the hook 2, and the hook is released;
(2) When a new object needs to be hung and installed, the electromagnet 11 is powered off to release the wedge-shaped column 17, and the wedge-shaped column 17 moves downwards; at this time, the release column 4 is screwed by external force, so that the release column 4 drives the swing rod 14 to rotate 180 degrees, the torsion spring 13 stores force, and meanwhile, the swing rod 14 is locked by the wedge-shaped column 17 to limit the position, and the swing arm 14 is prevented from rotating.
Therefore, the device can be repeatedly used, and objects can be hung and released for many times.
It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to the particular embodiments disclosed, and that various changes, modifications, additions and substitutions can be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (6)
1. An underwater equipment release device, characterized in that: the device comprises a sealed cabin, a power driving mechanism arranged in the sealed cabin and a hook release mechanism arranged on the sealed cabin, wherein the power driving mechanism comprises an electromagnetic release device and a torsion spring rotary unhooking device, the torsion spring rotary unhooking device comprises a release column, a torsion spring and a swing rod, the release column is rotatably arranged on the sealed cabin, the upper part of the torsion spring is exposed out of the sealed cabin, the lower part of the torsion spring is positioned in the sealed cabin and fixedly connected with the swing rod, one end of the torsion spring is sleeved on the release column, the other end of the torsion spring is fixed on the sealed cabin, the other end of the torsion spring is fixed on the swing rod, the hook release mechanism comprises two support plates and a hook arranged between the two support plates, the support plates are fixedly arranged on the sealed cabin, the support plates are provided with U-shaped grooves, the hook comprises a first end part and a second end part, the first end part is matched with the U-shaped grooves, an article is hung or released, the second end part is matched with the release column, the top end of the release column is contacted with the second end part of the hook, the release column is in a 45-degree inclined plane column structure, the vertical side wall of the release column is contacted with the hook, and the hook is blocked from being released; the first end part and the second end part form a 7-shaped structure, the joint is arranged on the support plate through the rotating shaft, and the length of the second end part is longer than that of the first end part; when the second end part is contacted with the release column, the contact surface of the second end part is positioned in the vertical direction; the vertical side wall of the inclined plane column body at the top end of the release column blocks the hook to rotate for release, when the release column rotates 180 degrees, the electromagnetic release device is not contacted with the hook and releases the hook, the electromagnetic release device comprises an electromagnet and a wedge-shaped column, the electromagnet is electrified to attract the wedge-shaped column, the wedge-shaped column moves upwards, the torsion accumulated by the torsion spring is released, and the swing rod is released to drive the release column to rotate 180 degrees; the electromagnet is powered off to release the wedge-shaped column, the wedge-shaped column moves downwards, and the swinging rod is limited to rotate.
2. The subsea equipment release device of claim 1, characterized in that: the sealed cabin comprises a sealed base and a flange body, wherein the flange body is arranged on the sealed base, a first extension part extends into the sealed base, and a second extension part extends out of the sealed base; the release post runs through first extension and second extension, release post upper portion and second extension sealing connection, torsion spring cover are in release post lower part, and the one end of torsional spring is fixed in on the first extension, and one end is fixed in on the pendulum rod.
3. The subsea equipment release device of claim 2, characterized in that: the flange body is connected with the sealing base through bolts, a first sealing ring is arranged between the flange body and the sealing base, and a positioning ring is arranged between the flange body and the release column; and a second sealing ring is arranged between the second extension part and the release column to form dynamic seal, and a bearing is arranged between the lower part of the first extension part and the release column.
4. A release device for underwater equipment as claimed in claim 3, wherein: and a watertight plug is arranged on the sealed cabin, one end of the watertight plug is connected with the onshore communication device, and the other end of the watertight plug is connected with the electromagnetic iron.
5. The subsea equipment release device of claim 1, characterized in that: and the release column is provided with a hexagonal structure for resetting the wrench.
6.A release method of an underwater equipment release apparatus as claimed in claim 1, comprising the steps of:
(1) When the hook is required to be released to a designated place, the electromagnet is electrified to receive the designation, the wedge-shaped column is attracted, the wedge-shaped column moves upwards, the swing rod is released, the torsion accumulated by the torsion spring is released, the torsion impacts the swing rod to rotate, the release column is driven to rotate 180 degrees, the top end of the release column is separated from the hook, and the hook is released;
(2) When a new object needs to be hung and installed, the electromagnet is powered off to release the wedge-shaped column, and the wedge-shaped column moves downwards; at the moment, the release column is screwed by external force, so that the release column drives the swing rod to rotate 180 degrees, the torsion spring stores force, and meanwhile, the swing rod is limited by the wedge-shaped column to prevent the swing arm from rotating;
(3) Thus, the object can be hung and released for many times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418744.8A CN110001894B (en) | 2019-05-20 | 2019-05-20 | Underwater equipment release device and release method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418744.8A CN110001894B (en) | 2019-05-20 | 2019-05-20 | Underwater equipment release device and release method thereof |
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| Publication Number | Publication Date |
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| CN110001894A CN110001894A (en) | 2019-07-12 |
| CN110001894B true CN110001894B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910418744.8A Active CN110001894B (en) | 2019-05-20 | 2019-05-20 | Underwater equipment release device and release method thereof |
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| CN (1) | CN110001894B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816749B (en) * | 2019-11-21 | 2020-06-16 | 中国科学院声学研究所 | Underwater magnetic force releasing and butting device |
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| CN101327838A (en) * | 2008-07-30 | 2008-12-24 | 哈尔滨工程大学 | Underwater releaser |
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| CN210083507U (en) * | 2019-05-20 | 2020-02-18 | 山东省科学院海洋仪器仪表研究所 | Underwater equipment release device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102010010161B4 (en) * | 2010-03-03 | 2012-04-12 | Evologics Gmbh | Tripping device for a load on a device and underwater device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4136415A (en) * | 1977-04-29 | 1979-01-30 | Blockburger James E | Underwater release mechanism |
| GB8717883D0 (en) * | 1986-07-29 | 1987-09-03 | Lifeguard Equipment Ltd | Releasable hook device |
| CN101327838A (en) * | 2008-07-30 | 2008-12-24 | 哈尔滨工程大学 | Underwater releaser |
| CN201864030U (en) * | 2010-11-02 | 2011-06-15 | 杭州电子科技大学 | Deep-sea time automatic releaser |
| CN102700683A (en) * | 2012-06-04 | 2012-10-03 | 国家海洋技术中心 | Deep-sea command transponder-releaser device |
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| CN108238540A (en) * | 2016-12-27 | 2018-07-03 | 中国船舶重工集团公司七五○试验场 | A kind of underwater automatic disengagement hook |
| CN210083507U (en) * | 2019-05-20 | 2020-02-18 | 山东省科学院海洋仪器仪表研究所 | Underwater equipment release device |
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| CN110001894A (en) | 2019-07-12 |
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