CN108909935B - Pressure-resistant device of manned submersible - Google Patents
Pressure-resistant device of manned submersible Download PDFInfo
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- CN108909935B CN108909935B CN201810787956.9A CN201810787956A CN108909935B CN 108909935 B CN108909935 B CN 108909935B CN 201810787956 A CN201810787956 A CN 201810787956A CN 108909935 B CN108909935 B CN 108909935B
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- pressure
- locking
- shell
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- observation window
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B3/00—Hulls characterised by their structure or component parts
- B63B3/13—Hulls built to withstand hydrostatic pressure when fully submerged, e.g. submarine hulls
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a pressure-resistant device of a manned submersible, which comprises a pressure-resistant shell, wherein two ends of the pressure-resistant shell are respectively provided with an observation window seal head and a cabin door seal head, the observation window seal head is connected with the pressure-resistant shell through a screw, the cabin door seal head is connected with the pressure-resistant shell through a screw, and the pressure-resistant shell is a bionic spiral cylindrical pressure-resistant shell. Compared with the prior art, the invention has the following remarkable characteristics: the bionic spiral column shell is used as the main body of the pressure-resistant device, so that the defect sensitivity of the pressure-resistant shell is favorably reduced, the intercostal instability is favorably avoided, and the axial and radial pressure-resistant capacities are favorably improved; the hatch is provided with the pressure sensor, so that the pressing force of the hatch can be detected, and the locking state of the hatch can be judged according to the pressing force of the hatch; the contact surface of the locking pin and the annular groove of the locking device is an inclined surface, and the pressing force of the cabin door is gradually increased by rotating the handle, so that the sealing effect is favorably improved.
Description
Technical Field
The invention relates to the field of diving equipment, in particular to a pressure-resistant device of a manned submersible.
Background
The cylindrical pressure-resistant shell is an important device and a buoyancy unit of the deep sea submersible in large space and plays a role in guaranteeing normal work and personnel safety of internal non-pressure-resistant equipment in the submergence process.
The existing cylindrical pressure-resistant shell mainly comprises a ribbed cylindrical shell and a circular ribbed cylindrical shell. The latitudinal radius of the ribbed cylindrical shell is infinite, so that the buckling load is low under the underwater high-pressure condition, the pressure resistance is poor, a plurality of same modes exist, the ribbed cylindrical shell is sensitive to initial geometric defects, and the requirement on manufacturing and mounting precision is high.
The annular rib cylindrical shell is reinforced by a plurality of discrete annular ribs, so that the pressure resistance is improved to a certain extent, the defect sensitivity is reduced, but the latitudinal radius of the annular rib cylindrical shell is still infinite, so that intercostal instability is easy to occur.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention aims to provide the manned submersible pressure-resistant device which has the defects of low pressure-resistant shell sensitivity, avoids the intercostal instability and improves the pressure-resistant capability.
The technical scheme is as follows: the pressure-resistant device of the manned submersible comprises a pressure-resistant shell, wherein an observation window end enclosure and a cabin door end enclosure are respectively arranged at two ends of the pressure-resistant shell, the observation window end enclosure is connected with the pressure-resistant shell through a screw, the cabin door end enclosure is connected with the pressure-resistant shell through a screw, and the pressure-resistant shell is a bionic spiral cylindrical pressure-resistant shell, so that the defect sensitivity of the pressure-resistant shell is favorably reduced, the intercostal instability is avoided, and the axial and radial pressure-resistant capacities are improved.
The intercostal bus of the bionic spiral column shell meets the following requirements:
wherein, B is the height of the bus, L is the span of the bus, n is the shape coefficient of the bus, the shape coefficient of the spiral layer bus of the pupa spiral takes 0.06-0.16, and the bus span L is determined, so that the inter-rib bus outline can be obtained. The bus span L is 400-600 mm.
The glass window is arranged on the observation window end enclosure, the pressing plate is arranged on the outer side of the glass window, the glass window is in a cone frustum shape, the sealing ring is arranged at the joint of the glass window and the observation window end enclosure, the sealing and waterproof effects are achieved, and the sealing gasket is arranged between the pressing plate and the observation window end enclosure, so that the sealing and waterproof effects are enhanced.
The cabin door sealing head comprises a cabin door, a locking pin, a check ring, a pin shaft, a connecting rod, a rotating shaft, a rotating handle and a locking nut, wherein the rotating shaft penetrates through a center hole in the cabin door, the rotating handle is arranged at two ends of the rotating shaft, the locking pin is connected with the rotating shaft through the connecting rod, the rotating handle can drive the rotating shaft to rotate and the locking pin to stretch, a pressure sensor is uniformly distributed at the opening of the cabin door sealing head, the pressing force of the cabin door can be detected, the locking state of the cabin door can be judged according to the pressing force of the cabin door, and.
The inner side of the cabin door is provided with an inclined plane ring groove and a locking device, the outer end of the cabin door is an inclined plane, when the locking pin extends out, the inclined plane of the locking pin is attached to the inclined plane of the ring groove, along with the rotation of the rotating handle, the attachment is tighter, the pressing force of the cabin door is larger, the locking device comprises a fixing seat, a clamping block, a rubber pad, a locking handle and a locking shaft, the fixing seat is fixed on the cabin door, one end of the clamping block is hinged to the fixing seat, the other end of the clamping block is provided with a through hole, the locking shaft penetrates through the through.
Has the advantages that: compared with the prior art, the invention has the following remarkable characteristics: the bionic spiral column shell is used as the main body of the pressure-resistant device, so that the defect sensitivity of the pressure-resistant shell is favorably reduced, the intercostal instability is favorably avoided, and the axial and radial pressure-resistant capacities are favorably improved; the hatch is provided with the pressure sensor, so that the pressing force of the hatch can be detected, and the locking state of the hatch can be judged according to the pressing force of the hatch; the contact surface of the locking pin and the annular groove of the locking device is an inclined surface, and the pressing force of the cabin door is gradually increased by rotating the handle, so that the sealing effect is favorably improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic diagram of design parameters of a pressure housing according to the present invention.
FIG. 3 is an enlarged view of a portion of the present invention at I.
FIG. 4 is a partial enlarged view of the invention at point II.
FIG. 5 is a partial enlarged view of the present invention at III.
FIG. 6 is a partial enlarged view of the present invention at IV.
Figure 7 is an isometric view at III of the present invention.
Fig. 8 is a schematic structural view of the anti-loosening device of the present invention.
Detailed Description
Referring to fig. 1, the pressure-resistant device of the manned submersible consists of three parts, namely an observation window end enclosure 2, a pressure-resistant shell 1 and a cabin door end enclosure 3, wherein the two ends of the pressure-resistant shell 1 are respectively provided with the observation window end enclosure 2 and the cabin door end enclosure 3.
As shown in fig. 2, the pressure housing 1 is a bionic spiral cylindrical pressure housing 1, the spiral layer of the pupa snail is scanned to obtain a spiral layer curve, and the intercostal bus equation obtained by using the software fitting curve is as follows:
wherein, B is the height of the bus, L is the span of the bus, n is the shape coefficient of the bus, and the shape coefficient of the spiral bus of the pupa spiral is 0.06-0.16, preferably 0.114. After the bus span L is determined, the inter-rib bus outline can be obtained; the spiral ribs are T-shaped ribs, and axial and radial pressure resistance is enhanced. The bus span L is 400-600 mm. t is the thickness of the pressure shell, a is the thickness of the ribbed plate, b is the height of the ribbed plate, the values of a and t are calculated according to the design of 'diving system and submersible building and entry standard' of China classification society, and b and c are 2 a.
In this example, the numerical model inner diameter D is 2000mm, the wall thickness t is 20mm, the rib thickness a is 30mm, B is 57mm, and L is 500 mm. Designing a comparison model according to the principle of equal wall thickness and equal volume, wherein the comparison model comprises a spiral rib column shell, a ring rib column shell and a rib-free column shell, calculating the ultimate bearing capacity of the model, and the material is high-alloy high-strength steel 0Cr17Ni4Cu4Nb, the elastic modulus of the high-alloy high-strength steel is 213GPa, the Poisson ratio of the high-alloy high-strength steel is 0.270, and the density of the high-alloy high-strength steel is 7.780g/cm3Yield strength 865 MPa. The calculation result is as follows: the ultimate load of the numerical model is 58.017MPa, the ultimate load of the spiral rib column shell is 52.692MPa, the ultimate load of the annular rib column shell is 52.46MPa, and the ultimate load of the rib-free column shell is 26.532 MPa. This bionic shell limit bearing capacity of patent compares and promotes 10.6% in ordinary ribbed column shell.
As shown in fig. 3, an observation window end enclosure 2 is arranged at one end of a pressure-resistant shell 1, an observation window hole is formed in the end enclosure, the periphery of the hole is locally reinforced, a glass window 4 is in a cone frustum shape, a sealing ring 6 is arranged between the glass window 4 and an end enclosure mounting surface to play a role in sealing and waterproofing, a pressing plate 5 is arranged on the outer side of the glass window 4, the pressing plate 5 is connected with the observation window end enclosure 2 through screws to play a role in compressing the glass window 4, and a sealing gasket 7 is arranged at the joint of the pressing plate 5 and the observation window end enclosure 2 to strengthen the.
As shown in fig. 4, the observation window end enclosure 2 is connected with the pressure housing 1 through screws, two rings of sealing rings 6 are arranged between the end enclosure and the pressure housing 1 to enhance the sealing and waterproof effects, and the cabin door end enclosure 3 is also connected with the pressure housing 1 through screws.
As shown in fig. 5, the hatch cover 3 includes a hatch 8, a locking pin 9, a retainer ring 10, a pin 11, a connecting rod 12, a rotating shaft 13, a rotating handle 14 and a locking nut 15, the hatch 8 is hinged with the hatch cover 3, the hatch 8 can rotate around the hinged position, the hatch 8 is provided with a central hole, the rotating shaft 13 passes through the central hole and is provided with two sealing rings 6 for sealing and waterproof, the rotating handle 14 is arranged at two ends of the rotating shaft 13, the rotating handle 14 is connected with the rotating shaft 13 through a key and is fixed through the locking nut 15, the rotating shaft 13 and the locking pin 9 are connected through the connecting rod 12 in a hinged manner, the locking pin 9 passes through a guide hole on the hatch 8, the rotating handle 14 can drive the rotating shaft 13 to rotate and further drive the locking pin 9 to extend and retract, an inclined ring groove is arranged at the inner side of the hatch 8, the outer end of the locking pin 9 is an inclined surface, when, the tighter the fit, the greater the compression force of the door 8 as the rotating handle 14 is rotated.
As shown in fig. 6, a sealing ring 6 is arranged at the joint of the cabin door 8 and the cabin door end enclosure 3 for sealing, 8-10 pressure sensors 16 are uniformly distributed at the port of the cabin door end enclosure 3, the pressure sensors 16 are arranged in counter bores at the end of the cabin door end enclosure 3, the wiring of the pressure sensors 16 is connected into the cabin body through holes and is connected with a data analysis processing device, a rubber pad 20 is arranged outside the pressure sensors 16 for sealing and protecting, the height of the rubber pad 20 needs to exceed the end face of the cabin door end enclosure 3, and the pressure of the cabin door 8 can be conveniently transmitted to the pressure sensors. The rotating handle 14 is rotated to lock the hatch 8, when the pressure value of the pressure sensor 16 exceeds a certain value (the pressure value is required to make the compression amount of the sealing ring 6 be 20%), the locking state of the hatch 8 is qualified, and at the moment, the rotating handle 14 can be stopped rotating. In addition, the joint state of the cabin door 8 and the cabin door end enclosure 3 is judged according to the pressure value of each membrane pressure sensor 16, and if the pressure value of a certain membrane pressure sensor 8 is smaller than the values of other sensors, the position of the membrane pressure sensor 8 is not tightly jointed, and the sealing ring 6 needs to be adjusted or replaced. The pressure sensor 16 in this embodiment is a membrane pressure sensor, and the specific parameters thereof are detailed in table 1:
TABLE 1 product parameters of membrane pressure sensors
| Diameter of |
3～40mm |
| Maximum measurementVolume |
7～1256mm2 |
| |
1～100kg |
| Working power supply | 5V，5mA |
| Working temperature range | -40～60℃ |
As shown in fig. 7-8, in order to prevent the rotating handle 14 from loosening in the non-operating state, the anti-loosening device is installed on the inner side of the cabin door 8 and comprises a fixed seat 17, a clamping block 18, a rubber pad 20, a locking handle 21 and a locking shaft 19, the fixed seat 17 is fixedly connected to the cabin door 8 through a screw, one end of the clamping block 18 is hinged to the fixed block, the other end of the clamping block is provided with a through hole, the locking shaft 19 penetrates through the through hole, the locking handle 21 is installed at the end portion of the locking shaft 19, the locking handle 21 is rotated to enable the clamping block 18 to tightly hold the locking shaft 19, the rubber pad 20 is installed on the clamping block.
Claims (9)
1. The pressure-resistant device of the manned submersible is characterized in that: including withstand voltage shell (1), the both ends of withstand voltage shell (1) are observation window head (2) and hatch door head (3) respectively, observation window head (2) pass through the screw connection with withstand voltage shell (1), hatch door head (3) pass through the screw connection with withstand voltage shell (1), withstand voltage shell (1) is withstand voltage shell (1) for bionical spiral cylindricality, the intercostal generating line of bionical spiral cylindricality withstand voltage shell (1) satisfies:
wherein B is the height of the bus, L is the span of the bus, n is the shape coefficient of the bus, and the shape coefficient of the spiral layer bus of the pupa spiral is 0.06-0.16.
2. The submersible pressure withstanding device of claim 1, wherein: the bus span L is 400-600 mm.
3. The submersible pressure withstanding device of claim 1, wherein: the observation window end enclosure (2) is provided with a glass window (4), and the outer side of the glass window (4) is provided with a pressing plate (5).
4. The submersible pressure withstanding device of claim 3 wherein: the glass window (4) is in a cone frustum shape.
5. The submersible pressure withstanding device of claim 3 wherein: the joint of the glass window (4) and the observation window end enclosure (2) is provided with a sealing ring (6), and a sealing gasket (7) is arranged between the pressing plate (5) and the observation window end enclosure (2).
6. The submersible pressure withstanding device of claim 1, wherein: hatch door head (3) are including hatch door (8), fitting pin (9), retaining ring (10), round pin axle (11), connecting rod (12), rotation axis (13), rotatory handle (14) and lock nut (15), centre bore on hatch door (8) is passed in rotation axis (13), rotatory handle (14) are equipped with at the both ends of rotation axis (13), fitting pin (9) link to each other with rotation axis (13) through connecting rod (12), rotatory handle (14) can drive rotation axis (13) and rotate and fitting pin (9) are flexible, equipartition pressure sensor (16) are held to hatch door (8) head (3) port department.
7. The submersible pressure withstanding device of claim 6 wherein: the rotating handle (14) is connected with the rotating shaft (13) through a key and is fixed through a locking nut (15).
8. The submersible pressure withstanding device of claim 6 wherein: the inner side of the cabin door (8) is provided with an inclined plane ring groove and a locking device, and the outer end is an inclined plane.
9. The submersible pressure withstanding device of claim 8 wherein: locking device includes fixing base (17), presss from both sides tight piece (18), rubber pad (20), locking handle (21) and locking axle (19), fixing base (17) are fixed on hatch door (8), it is articulated with fixing base (17) to press from both sides tight piece (18) one end, and the other end is equipped with the through-hole, locking axle (19) pass the through-hole, and locking handle (21) are equipped with to its tip, it sets up rubber pad (20) on pressing from both sides tight piece (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810787956.9A CN108909935B (en) | 2018-07-18 | 2018-07-18 | Pressure-resistant device of manned submersible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810787956.9A CN108909935B (en) | 2018-07-18 | 2018-07-18 | Pressure-resistant device of manned submersible |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108909935A CN108909935A (en) | 2018-11-30 |
| CN108909935B true CN108909935B (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810787956.9A Active CN108909935B (en) | 2018-07-18 | 2018-07-18 | Pressure-resistant device of manned submersible |
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| CN (1) | CN108909935B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2765019B2 (en) * | 2018-12-05 | 2021-07-02 | Torres Martinez M | REINFORCED STRUCTURE TO WITHSTAND HIGH PRESSURES |
| CN109702447B (en) * | 2019-02-20 | 2020-04-07 | 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） | Spherical crown type observation window sealing ring replacing device and replacing method |
| EP4017776A4 (en) * | 2019-08-21 | 2023-08-23 | Freightlucid, LLC | Railcar hatch cover |
| CN111319714B (en) * | 2020-02-28 | 2021-08-10 | 江苏科技大学 | Deep sea laminated spiral pressure-resistant shell device and manufacturing process thereof |
| CN112312712B (en) * | 2020-10-23 | 2021-11-26 | 西北工业大学 | Fiber resin matrix composite pressure-resistant shell opening reinforcing and sealing structure |
| CN112618986A (en) * | 2020-11-25 | 2021-04-09 | 安徽百世伽德安防科技有限公司 | Control method for indoor fireproof cabin |
| CN114013560B (en) | 2021-11-16 | 2024-09-03 | 江苏科技大学 | Design method of tower-shaped spiral deep sea pressure-resistant shell |
| CN114604353B (en) * | 2022-03-01 | 2024-07-19 | 西北工业大学 | Sealing and reinforcing structure for perforated underwater composite pressure-resistant shell and application thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB189905403A (en) * | 1899-03-11 | 1899-12-02 | Stefano Kunkl | Improvements in Driving Apparatus. |
| US3553917A (en) * | 1969-05-20 | 1971-01-12 | Ocean Systems | Dual pressure viewport assembly incorporating trapped gas self-relieving features |
| CN2872038Y (en) * | 2006-01-24 | 2007-02-21 | 张博 | Steel wire reinforced pressure-resisting pipe |
| CN103373442B (en) * | 2013-07-04 | 2016-08-24 | 江门市南洋船舶工程有限公司 | Marine cabin hangs the little hatchcover of thing mouth |
| CN203823268U (en) * | 2014-04-28 | 2014-09-10 | 淄博安益矿用设备有限公司 | Rapid connector for pressure-resisting pipe with reinforcing ribs |
| CN104986312B (en) * | 2015-06-30 | 2017-03-08 | 江苏科技大学 | A kind of bionical pressure-resistant apparatus |
| CN105332577B (en) * | 2015-11-03 | 2017-01-25 | 江苏科技大学 | Cabin door locking device for deep-sea pressure-resistant shell |
| CN206278246U (en) * | 2016-12-13 | 2017-06-27 | 上海海洋大学 | One kind is used for manned underwater vehicle load rejection mechanism |
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Application publication date: 20181130 Assignee: Jiangsu University of Science and Technology Technology Transfer Center Co.,Ltd. Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2022980022975 Denomination of invention: Pressure resistance device of manned submersible Granted publication date: 20200918 License type: Common License Record date: 20221128 |
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Assignee: Jiangsu University of Science and Technology Technology Transfer Center Co.,Ltd. Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2022980022975 Date of cancellation: 20230310 |
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