CN113148084B - Blasting sheet type emergency floating device and installation method thereof - Google Patents
Blasting sheet type emergency floating device and installation method thereof Download PDFInfo
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- CN113148084B CN113148084B CN202110598364.4A CN202110598364A CN113148084B CN 113148084 B CN113148084 B CN 113148084B CN 202110598364 A CN202110598364 A CN 202110598364A CN 113148084 B CN113148084 B CN 113148084B
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- shell
- rupture disk
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/14—Control of attitude or depth
- B63G8/24—Automatic depth adjustment; Safety equipment for increasing buoyancy, e.g. detachable ballast, floating bodies
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Abstract
A burst sheet type emergency floating device and an installation method thereof comprise a pressure-resistant shell and a non-pressure-resistant shell, wherein the emergency floating device is installed outside the pressure-resistant shell positioned at the bow part through spaced hangers, and the bottom of the emergency floating device is tangent to the non-pressure-resistant shell; the ballast coating comprises a shell, wherein the cross section of the shell is of a circular structure, an opening is formed in the bottom of the shell, a pressing base body is installed at the opening, the shell and the pressing base body form a complete ballast coating surface, and ballast is distributed in the shell; the bottom of the pressing base body is provided with a supporting filter screen, the two ends of the supporting filter screen are also arranged at the opening, the bottom of the opening of the shell is also provided with a rupture disk, the edge of the rupture disk is fixed by a clamp holder, and the clamp holder is locked on the shell by a compression screw. The active floating method is adopted, people do not need to judge and issue control instructions, only the action pressure of the device needs to be preset, and the device automatically acts to release ballast when the depth is ultra-deep, so that the submersible can obtain the buoyancy required by the depth recovery to perform emergency floating and turn the buoyancy into safety.
Description
Technical Field
The invention relates to the technical field of submersible floating devices, in particular to an explosion sheet type emergency floating device and an installation method thereof.
Background
Under the influence of factors such as ocean internal waves, sea cliffs, and broken sea pipelines, the submersible may suddenly lose buoyancy when sailing underwater or performing work tasks, and the submersible falls deep and sinks sharply. When a submarine or submersible falls deep under water, it is often desirable to increase the buoyancy of the submersible or to reduce the weight of the submersible so that the submersible can float to a safe depth above the surface without adversely affecting the buoyancy of the submersible.
Problems and deficiencies in the prior art:
the existing methods for floating the submersible vehicle mainly comprise three methods:
(1) the bladder buoyancy method is to fill oil into the bladder by a pump to increase the volume of water to float.
(2) The method for blowing ballast water by using compressed gas comprises air blowing and fuel gas blowing.
(3) The ballast weight rejection method is characterized in that the ballast block is rejected by driving the hydraulic oil cylinder to detonate the explosive bolt or directly detonate the explosive bolt.
The three floating methods are complex in mechanism and control, the mechanism needs to be combined to act, and the task is completed very depending on the reliability of the action of action parts such as a pump and a valve; the energy demand is high, and the energy is stored by hydraulic/electrochemical driving or compressed air; the floating method is a passive floating method in nature, and depends on judgment and instruction control of people.
Disclosure of Invention
The applicant provides a burst disc type emergency floating device and an installation method thereof aiming at the defects in the prior art, so that the buoyancy required by deep recovery of the submersible is effectively removed, an active floating method is adopted, no person is required to judge and issue an operation command, only the action pressure of the device needs to be preset, and the device automatically acts to release ballast when the submersible is ultra-deep, so that the submersible can obtain the buoyancy required by deep recovery and the emergency floating is in danger.
The technical scheme adopted by the invention is as follows:
a burst sheet type emergency floating device comprises a pressure-resistant shell and a non-pressure-resistant shell, wherein the emergency floating device is arranged outside the pressure-resistant shell positioned at the bow part through spaced hangers, and the bottom of the emergency floating device is tangent to the non-pressure-resistant shell;
the emergency floating device is structurally characterized in that: the ballast coating comprises a shell, wherein the cross section of the shell is of a circular structure, an opening is formed in the bottom of the shell, a pressing base body is installed at the opening, the shell and the pressing base body form a complete ballast coating surface, and ballast is distributed in the shell; the support filter screen is installed to the bottom of suppression base member, the both ends that support the filter screen are installed at the opening part equally, the rupture disk is still installed to the opening part bottom of shell, the edge of rupture disk is fixed through the holder, and the holder passes through housing screw locking on the shell.
The further technical scheme is as follows:
the rupture disk is an unstable inverted arch-shaped rupture disk; the structure of rupture disk does: the rupture disk comprises a rupture disk body with an arched section, wherein a flat plate structure extends outwards from the edge of the rupture disk body.
The opening part of the shell is provided with a rectangular groove matched with the support filter screen, the bottom of the opening is provided with a step, and the step is matched with the rupture disk and the holder.
The support filter screen is spaced from the rupture disk.
The mesh openings of the support screen are larger than the diameter of the ballasted fine particles.
The shell is made of stainless steel materials resistant to seawater corrosion, the ballast is nontoxic heavy metal fine particles, and the pressing matrix is high-strength pressing sodium chloride crystals or potassium salt, sodium salt and nitrate crystals dissolved in water.
The number of the hanging brackets is 2-4.
The hanger is of a bending structure, the top surface of the hanger is provided with an arc surface matched with the outside of the pressure-resistant shell, and the bottom surface of the hanger is provided with an inner concave surface matched with the outer surface of the shell.
An installation method of a blasting sheet type emergency floating device comprises the following steps:
the first step is as follows: preparing materials: preparing a hanger, a shell, a ballast, a pressing base body, a supporting filter screen, a rupture disk, a clamp and a compression screw;
the second step is that: filling ballast into the interior of the shell;
the third step: a pressing base body is arranged at the opening of the shell, and then a supporting filter screen is arranged in the rectangular groove;
the fourth step: placing a rupture disk at the step, then placing a holder outside the rupture disk, and finally locking the holder, the rupture disk and the shell by using a compression screw;
the fifth step: assembling the emergency floating device in the first step to the fourth step, welding a hanging bracket on the top surface of the shell, and welding the hanging bracket to the bottom of the pressure-resistant shell;
and a sixth step: and (4) finishing.
The invention has the following beneficial effects:
the invention has compact and reasonable structure and convenient operation, can automatically release the ballast at a short time by installing the emergency floating device between the pressure-resistant shell and the non-pressure-resistant shell, does not need people to judge and issue an operation instruction, only needs to preset the action pressure of the device, and automatically acts to release the ballast in an ultra-deep state, so that the submersible can obtain the buoyancy required by deep recovery and change from emergency floating to emergency floating.
When the submersible falls deep in sudden water, the explosion sheet type emergency floating device automatically acts in an ultra-deep state without judging and issuing an operation command by a person, releases ballast to reduce the weight of the submersible, and ensures that the submersible obtains buoyancy required by the deep-falling recovery and turns into safety. Compared with the traditional load rejection mechanism, the device has the advantages of simple structure, reliable action and low cost, and the action of the rupture disk is generally between 2 and 10ms and is very rapid. The explosion sheet type emergency floating device can be used together with other floating methods to serve as the last safety barrier for deep-drawing removal.
Drawings
Fig. 1 is a diagram of the application of the present invention.
Fig. 2 is a schematic structural diagram of the rupture disk type emergency floating device of the invention.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic structural diagram of the housing of the present invention.
Fig. 5 is a partially enlarged view of a portion B in fig. 4.
FIG. 6 is a schematic structural diagram of the rupture disk of the present invention.
Wherein: 1. a pressure housing; 2. a non-pressure resistant housing; 3. a hanger; 4. a housing; 5. ballasting; 6. a compression screw; 7. supporting the filter screen; 8. pressing the substrate; 9. a rupture disk; 10. a holder; 11. an emergency floating device;
401. a rectangular groove; 402. a step;
902. a rupture disk body; 901. a flat plate structure.
Detailed Description
As shown in fig. 1-6, the burst sheet type emergency floating device of the present embodiment includes a pressure-resistant housing 1 and a non-pressure-resistant housing 2, an emergency floating device 11 is installed outside the pressure-resistant housing 1 located in the bow through a spaced hanger 3, and the bottom of the emergency floating device 11 is tangent to the non-pressure-resistant housing 2;
the emergency floating device 11 has the following structure: the shell 4 is of a circular ring-shaped structure, an opening is formed in the bottom of the shell 4, a pressing base body 8 is installed at the opening, the shell 4 and the pressing base body 8 form a complete pressing and loading covering surface, and ballast 5 is distributed in the shell 4; the bottom of the pressing base body 8 is provided with a supporting filter screen 7, two ends of the supporting filter screen 7 are also arranged at the opening, the bottom of the opening of the shell 4 is also provided with a rupture disk 9, the edge of the rupture disk 9 is fixed by a clamp holder 10, and the clamp holder 10 is locked on the shell 4 by a compression screw 6.
The rupture disk 9 is an anti-arch rupture disk with instability; the rupture disk 9 has the following structure: the rupture disk comprises a rupture disk body 902 with an arched section, and a flat plate structure 901 extends outwards from the edge of the rupture disk body 902.
The opening of the housing 4 is provided with a rectangular groove 401 which is matched with the support screen 7, the bottom of the opening is provided with a step 402, and the step 402 is matched with the rupture disk 9 and the holder 10.
The support screen 7 is spaced from the rupture disk 9.
The mesh aperture of the support screen 7 is larger than the diameter of the fine particles of the ballast 5.
The shell 4 is made of seawater corrosion resistant stainless steel, the ballast 5 is nontoxic heavy metal fine particles, and the high-strength pressed sodium chloride crystals or water-soluble sylvite, sodium salt and nitrate crystals of the pressed matrix 8 are pressed.
The hanging bracket 3 is provided with 2-4.
The hanger 3 is a bending structure, the top surface of the hanger 3 is provided with an arc surface matched with the outside of the pressure-resistant shell 1, and the bottom surface of the hanger 3 is provided with an inner concave surface matched with the outer surface of the shell 4.
The installation method of the rupture disk type emergency floating device comprises the following steps:
the first step is as follows: preparing materials: preparing a hanger 3, a shell 4, a ballast 5, a pressing base body 8, a support filter screen 7, a rupture disk 9, a clamp 10 and a compression screw 6;
the second step is that: filling the inside of the hull 4 with ballast 5;
the third step: a pressing base body 8 is arranged at the opening of the shell 4, and then a supporting filter screen 7 is arranged in the rectangular groove 401;
the fourth step: placing a rupture disk 9 at the step 402, then placing a holder 10 outside the rupture disk 9, and finally locking the holder 10, the rupture disk 9 and the shell 4 by using a compression screw 6;
the fifth step: assembling the emergency floating device 11 in the first step to the fourth step, welding the hanger 3 on the top surface of the shell 4, and welding the hanger 3 to the bottom of the pressure-resistant shell 1;
and a sixth step: and (4) finishing.
The emergency floating device 11 has the following specific structure and functions:
the emergency floating device 11 is fixed outside the bow pressure-resistant shell 1 through the hanger 3, and the bottom of the emergency floating device is tangent to the non-pressure-resistant shell 2.
The emergency floating device 11 mainly comprises a shell 4, a ballast 5, a compression screw 6, a support filter screen 7, a pressing base body 8, a rupture disk 9 and a holder 10.
Wherein, the ballast 5 is arranged inside the shell 4, the material of the shell 4 is stainless steel which is resistant to seawater corrosion, and the ballast 5 is nontoxic heavy metal fine particles, such as tungsten sand.
The bottom of the ballast 5 is a pressing substrate 8, the pressing substrate 8 and the shell 4 form a complete ballast coating surface, and the pressing substrate 8 can be high-strength pressed sodium chloride crystals or other potassium salt, sodium salt and nitrate crystals dissolved in water.
The bottom of the pressing base body 8 is provided with a supporting filter screen 7, the supporting filter screen 7 is arranged in a rectangular groove 401 formed in the bottom opening of the shell 4 and provides a supporting framework for the pressing base body 8, and the aperture of the supporting filter screen 7 is far larger than the diameter of fine particles of the ballast 5.
The core component of the emergency floating device 11 is an arched rupture disk 9, and the rupture disk 9 is fixed between the shell 4 and the holder 10 through a compression screw 6 to form reliable seal to prevent seawater from entering the device.
In particular, the rupture disk 9 is a destabilizing inverted arch-shaped rupture disk, the convex surface bears the pressure, and when the pressure reaches the specified value, the rupture disk 9 stably inverts and integrally falls out. The action pressure of the rupture disk 9 is only related to the elastic modulus of the material, so the action is stable and easy to control, and when the submersible vehicle frequently enters and exits water, the diaphragm cannot malfunction due to fatigue.
The supporting filter screen 7 and the pressing base body 8 jointly play a role of supporting the ballast 5, and the installation position of the supporting filter screen 7 has a certain height from the rupture disk 9, so that an action space is reserved for the arched membrane.
The pressing matrix 8 can react with seawater, when the rupture disk 9 falls off, the pressing matrix 8 is dissolved with the inrush seawater, and the ballast 5 is released through the support filter 7.
In the actual use process:
when the submersible falls deeply in sudden underwater, after various conventional floating methods are ineffective, the submersible continues to fall deeply, when the corresponding pressure of the depth of the seawater reaches the action pressure designed by the emergency floating device 11, the convex surface of the rupture disk 9 is stressed and then unstably reverses to integrally fall out, the seawater flows into the device to contact with the pressing matrix 8, the pressing matrix 8 is quickly dissolved in the seawater, fine particles of the ballast 5 are released to the external space through the supporting filter screen 7, the submersible obtains the buoyancy required by deep recovery and does not continue to fall deeply, and at the moment, the submersible is safely floated to the water surface by other means.
The invention relates to an active unpowered floating method, which has high autonomy, does not need people to judge and issue control instructions, and the device automatically acts when the diving device falls to a preset depth, releases a ballast 5 to reduce the weight of the diving device, so that the diving device can obtain the buoyancy required by the depth falling and the recovery to meet the danger of emergency floating. Compared with the traditional load rejection mechanism, the invention has the advantages of simple structure, reliable action and low cost, and the action of the rupture disk 9 is generally between 2 and 10ms, so that the rupture disk is very quick. The emergency floating device 11 can be used together with other floating methods to serve as the last safety barrier for deep-drawing removal.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (7)
1. The utility model provides an emergent device that floats of rupture disk formula, includes withstand voltage shell (1) and non-pressure shell (2), its characterized in that: an emergency floating device (11) is arranged outside the pressure-resistant shell (1) positioned at the bow part through spaced hangers (3), and the bottom of the emergency floating device (11) is tangent to the non-pressure-resistant shell (2); the emergency floating device (11) is structurally characterized in that: the ballast coating comprises a shell (4), wherein the cross section of the shell (4) is of a circular structure, an opening is formed in the bottom of the shell (4), a pressing base body (8) is installed at the opening, the shell (4) and the pressing base body (8) form a complete ballast coating surface, and ballasts (5) are distributed in the shell (4); a supporting filter screen (7) is installed at the bottom of the pressing base body (8), two ends of the supporting filter screen (7) are also installed at the opening, a rupture disk (9) is also installed at the bottom of the opening of the shell (4), the edge of the rupture disk (9) is fixed through a clamp holder (10), and the clamp holder (10) is locked on the shell (4) through a compression screw (6); the rupture disk (9) is an unstable inverted arch-shaped rupture disk; the structure of the rupture disk (9) is as follows: the rupture disk comprises a rupture disk body (902) with an arched section, wherein a flat plate structure (901) extends outwards from the edge of the rupture disk body (902); the mesh aperture of the support screen (7) is larger than the diameter of the fine particles of the ballast (5); the ballast (5) is nontoxic heavy metal fine particles, and the pressing matrix (8) is a high-strength pressing sodium chloride crystal or a potassium salt, sodium salt or nitrate crystal dissolved in water; when the corresponding pressure of the seawater depth reaches the action pressure designed by the emergency floating device (11), the convex surface of the rupture disk (9) is pressed and then unstably inverted, the whole body falls off, the seawater rushes into the device and contacts with the pressing matrix (8), the pressing matrix (8) is quickly dissolved in the seawater, and the fine particles of the ballast (5) are released to the external space through the supporting filter screen (7).
2. The burst disc type emergency floating device according to claim 1, wherein: the opening of the shell (4) is provided with a rectangular groove (401) matched with the support filter screen (7), the bottom of the opening is provided with a step (402), and the step (402) is matched with the rupture disk (9) and the holder (10).
3. The burst disc type emergency floating device according to claim 1, wherein: the supporting filter screen (7) and the rupture disk (9) are separated by a distance.
4. The burst disc type emergency floating device according to claim 1, wherein: the shell (4) is made of stainless steel which is resistant to seawater corrosion.
5. The burst disc type emergency floating device according to claim 1, wherein: the number of the hanging brackets (3) is 2-4.
6. The burst disc type emergency floating device according to claim 1, wherein: the pressure-resistant hanging bracket is characterized in that the hanging bracket (3) is of a bending structure, the top surface of the hanging bracket (3) is provided with an arc surface matched with the outside of the pressure-resistant shell (1), and the bottom surface of the hanging bracket (3) is provided with an inner concave surface matched with the outer surface of the shell (4).
7. An installation method using the rupture disk type emergency floating device of claim 1, wherein: the method comprises the following steps:
the first step is as follows: preparing materials: preparing a hanging bracket (3), a shell (4), a ballast (5), a pressing base body (8), a supporting filter screen (7), a rupture disk (9), a clamp holder (10) and a compression screw (6);
the second step is that: filling the interior of the shell (4) with ballast (5);
the third step: a pressing base body (8) is arranged at an opening of the shell (4), and then a supporting filter screen (7) is arranged in the rectangular groove (401);
the fourth step: a rupture disc (9) is placed at the step (402), then a clamp holder (10) is placed outside the rupture disc (9), and finally the clamp holder (10), the rupture disc (9) and the shell (4) are locked by a compression screw (6);
the fifth step: assembling the emergency floating device (11) in the first step to the fourth step, welding the hanger (3) on the top surface of the shell (4), and welding the hanger (3) to the bottom of the pressure-resistant shell (1);
and a sixth step: and (4) finishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110598364.4A CN113148084B (en) | 2021-05-31 | 2021-05-31 | Blasting sheet type emergency floating device and installation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110598364.4A CN113148084B (en) | 2021-05-31 | 2021-05-31 | Blasting sheet type emergency floating device and installation method thereof |
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| Publication Number | Publication Date |
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| CN113148084A CN113148084A (en) | 2021-07-23 |
| CN113148084B true CN113148084B (en) | 2022-04-12 |
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| CN202110598364.4A Active CN113148084B (en) | 2021-05-31 | 2021-05-31 | Blasting sheet type emergency floating device and installation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201686007U (en) * | 2010-05-27 | 2010-12-29 | 宜昌七环通讯工程有限责任公司 | Explosion type underwater release device |
| CN102826211A (en) * | 2012-09-20 | 2012-12-19 | 李志军 | Device for effectively controlling floating system of submarine and deep submergence vehicle and submerging-floating method |
| CN107054594A (en) * | 2017-05-17 | 2017-08-18 | 浙江大学 | A kind of separation type hydraulic jettison system triggered by depth |
| KR20180062888A (en) * | 2016-12-01 | 2018-06-11 | 주식회사 한화 | Inflatable floating device with metal bladder unit for small ship |
| CN110127011A (en) * | 2019-05-20 | 2019-08-16 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of submersible underwater emergency deliverance apparatus |
| KR20200145412A (en) * | 2019-06-21 | 2020-12-30 | 국방과학연구소 | Flotation apparatus and driving method thereof |
| CN112319749A (en) * | 2020-10-26 | 2021-02-05 | 中国船舶科学研究中心 | Submersible underwater deep falling emergency floating device |
-
2021
- 2021-05-31 CN CN202110598364.4A patent/CN113148084B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201686007U (en) * | 2010-05-27 | 2010-12-29 | 宜昌七环通讯工程有限责任公司 | Explosion type underwater release device |
| CN102826211A (en) * | 2012-09-20 | 2012-12-19 | 李志军 | Device for effectively controlling floating system of submarine and deep submergence vehicle and submerging-floating method |
| KR20180062888A (en) * | 2016-12-01 | 2018-06-11 | 주식회사 한화 | Inflatable floating device with metal bladder unit for small ship |
| CN107054594A (en) * | 2017-05-17 | 2017-08-18 | 浙江大学 | A kind of separation type hydraulic jettison system triggered by depth |
| CN110127011A (en) * | 2019-05-20 | 2019-08-16 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of submersible underwater emergency deliverance apparatus |
| KR20200145412A (en) * | 2019-06-21 | 2020-12-30 | 국방과학연구소 | Flotation apparatus and driving method thereof |
| CN112319749A (en) * | 2020-10-26 | 2021-02-05 | 中国船舶科学研究中心 | Submersible underwater deep falling emergency floating device |
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