CN111301605A - Large-depth submersible vehicle, pressure-resistant shell for large-depth submersible vehicle and assembling method of pressure-resistant shell - Google Patents

Large-depth submersible vehicle, pressure-resistant shell for large-depth submersible vehicle and assembling method of pressure-resistant shell Download PDF

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Publication number
CN111301605A
CN111301605A CN202010129148.0A CN202010129148A CN111301605A CN 111301605 A CN111301605 A CN 111301605A CN 202010129148 A CN202010129148 A CN 202010129148A CN 111301605 A CN111301605 A CN 111301605A
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China
Prior art keywords
shell
pressure
units
rib
unit
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CN202010129148.0A
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CN111301605B (en
Inventor
唐文献
王瑞
杨文兴
张建
朱永梅
苏世杰
殷宝吉
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Jiangsu University of Science and Technology
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Jiangsu University of Science and Technology
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Priority to CN202010129148.0A priority Critical patent/CN111301605B/en
Publication of CN111301605A publication Critical patent/CN111301605A/en
Priority to PCT/CN2021/072832 priority patent/WO2021169680A1/en
Priority to KR1020227007539A priority patent/KR20220047298A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00Hulls characterised by their structure or component parts
    • B63B3/13Hulls built to withstand hydrostatic pressure when fully submerged, e.g. submarine hulls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B73/00Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
    • B63B73/10Building or assembling vessels from prefabricated hull blocks, i.e. complete hull cross-sections
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B73/00Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
    • B63B73/40Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
    • B63B73/43Welding, e.g. laser welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63GOFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G8/00Underwater vessels, e.g. submarines; Equipment specially adapted therefor

Abstract

The invention discloses a large-depth submersible vehicle, a pressure shell for the large-depth submersible vehicle and an assembling method thereof, wherein the pressure shell for the large-depth submersible vehicle is in a combined structure form and comprises a shell outer plate, an outer shell, an inner shell and a shell inner plate which are coaxially arranged from outside to inside, a pressure-resistant structure is arranged between the inner shell and the outer shell, and the pressure-resistant structure comprises: a plurality of prismatic table-shaped first convex rib units which are uniformly arranged on the outer surface of the inner shell at equal intervals; correspond on the internal surface of outer shell the first fin unit is equipped with the second fin unit that a plurality of is the terrace with edge form, first fin unit and second fin unit overlap setting of staggering each other to turn into the radial force that the casing received the face internal force on the fin unit lateral wall.

Description

Large-depth submersible vehicle, pressure-resistant shell for large-depth submersible vehicle and assembling method of pressure-resistant shell
Technical Field
The invention relates to the field of submergence vehicles, in particular to a large-depth submergence vehicle, a pressure-resistant shell for the large-depth submergence vehicle and an assembling method of the pressure-resistant shell.
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 ribbed cylindrical shell has low bending load under the underwater high-pressure condition, poor pressure resistance and high requirement on manufacturing and mounting precision.
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 of the prior art, the invention provides the pressure shell structure for the large-depth submersible vehicle, so that the defect sensitivity of the pressure shell is reduced, the strength and the rigidity of the pressure shell are improved, the strength-weight ratio and the rigidity-weight ratio are improved, and further, the safety and the reserve buoyancy are improved.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a big degree of depth is withstand voltage shell structure for the underwater vehicle, is combination formula cylindricality structure, includes shell planking, outer shell, inlayer shell and the casing inner panel of outside-in coaxial setting in proper order, be equipped with withstand voltage structure between inlayer shell and the outer shell, withstand voltage structure includes:
a plurality of prismatic table-shaped first convex rib units which are uniformly arranged on the outer surface of the inner shell at equal intervals;
correspond on the internal surface of outer shell the first fin unit is equipped with the second fin unit that a plurality of is the terrace with edge form, first fin unit and second fin unit overlap setting of staggering each other to turn into the radial force that the casing received the face internal force on the fin unit lateral wall.
The first rib units and the second rib units are of eight-frustum structures, wherein the frustum side walls of every 4 adjacent first rib units on the outer surface of the inner shell are symmetrically overlapped and connected with the peripheral side walls of the frustum of 1 second rib unit;
or, the inner surface of the outer shell is not provided with 4 adjacent prismatic table side walls of the second convex rib units, and the prismatic table side walls of the second convex rib units are symmetrically overlapped and connected with 1 prismatic table peripheral side wall of the first convex rib unit.
The included angle between the plane of the first convex rib unit terrace side wall of the octagonal terrace structure and the plane of the upper and lower bottoms of the terrace is 45 degrees and/or the included angle between the plane of the second convex rib unit terrace side wall of the octagonal terrace structure and the plane of the upper and lower bottoms of the terrace is 45 degrees.
The shell outer plate, the outer shell, the inner shell and the shell inner plate are all cylindrical structures with two open ends.
After the inner shell is sleeved with the shell inner plate, a cavity is formed between the first convex rib unit and the outer surface of the shell inner plate;
after the outer shell is sleeved with the shell outer plate, a cavity is formed between the second convex rib unit and the inner surface of the shell outer plate;
and a sound insulation foaming material is filled in the cavity.
The first rib units are arranged on the outer surface of the inner shell in an array mode, a first feeding channel penetrating through the inner cavities of the first rib units is arranged on any row of first rib units on the outer surface of the cylindrical inner shell along the axial direction of the cylinder, and the sound-insulating foaming material is filled into the inner cavities of the first rib units through the first feeding channel;
a plurality of second fin unit is in be the array arrangement on the internal surface of outer shell, be equipped with the second charge channel who runs through this row of second fin unit inside cavity on the arbitrary row of second fin unit that sets up along section of thick bamboo axis direction on the outer shell internal surface of cylindric, through second charge channel is to filling in the inside cavity of second fin unit give sound insulation expanded material.
The pressure-resistant shell is characterized by further comprising connecting flanges arranged at the left end and the right end of the pressure-resistant shell body formed by the inner shell layer and the outer shell layer, wherein the connecting flanges are provided with charging holes communicated with the first charging channel and the second charging channel.
The invention relates to an assembling method of a pressure shell structure for a large-depth submersible vehicle, which comprises the following steps:
the first step is as follows: one shell inner plate is taken
Assembling a middle shell from inside to outside, and firstly taking a shell inner plate;
the second step is that: inner shell assembled outside inner plate of shell
The inner plate of the shell is sleeved in the inner shell;
the third step: outer shell assembled outside inner shell
Assembling a shell inner plate and an inner shell, cutting the outer shell into two half outer shell units, and sequentially assembling the two half outer shell units outside the inner shell;
the fourth step: spot welding positioning, seam welding, and re-spot welding
After the two half outer layer shell units are assembled, firstly performing spot welding on the contact parts of the two half outer layer shell units to fix the positions of the two half outer layer shell units, then performing seam welding and overall welding, and performing spot welding and leakage repairing again;
the fifth step: outer shell plate of outer shell external assembly
Welding the outer shell, and sleeving the assembled three-layer shell into the outer shell of the shell to form a middle shell;
and a sixth step: middle shell two ends clamping seal head
After the middle shell is assembled, two ends of the middle shell are butted with the grooves on the flanges;
the seventh step: spot welding positioning, seam welding, and re-spot welding
Firstly, spot welding is carried out to fix the position, seam welding and overall welding are carried out, and leakage is repaired by spot welding again;
eighth step: injecting a foaming material
Injecting broken resin into the shell through the feeding hole on the flange;
the ninth step: standing to air dry and solidify
After the foaming material is injected, the shell needs to be kept stand, so that the foaming material in the shell is air-dried and solidified, and the structure in the shell is more stable.
The first convex rib unit is formed by pressing a cylindrical inner shell outwards;
the second rib unit is formed by pressing a cylindrical outer shell inwards.
The large-depth submersible vehicle comprises a pressure-resistant shell, wherein the pressure-resistant shell adopts a pressure-resistant shell structure for the large-depth submersible vehicle.
Has the advantages that:
compared with the prior art, the invention is a pressure-resistant shell structure for a large-depth underwater vehicle, and has the following remarkable characteristics:
1. the pressure shell structure for the large-depth underwater vehicle adopts a four-layer structure, the radial force borne by the pressure shell is converted into the internal force of the side wall surface of the eight-edge-table convex rib by utilizing the up-down superposition of the inclined side walls of the eight-edge-table convex rib, the wall thickness is increased, the strength and the rigidity of the pressure shell, the strength-weight ratio and the rigidity-weight ratio are improved, and further the safety and the reserve buoyancy are improved.
2. According to the pressure-resistant shell structure for the large-depth submersible vehicle, cavities are formed between the first convex rib units on the outer surface of the inner shell and between the second convex rib units on the inner surface of the outer shell and the inner surface of the outer shell, and sound-insulating foaming materials are filled in the cavities, so that the pressure resistance is further enhanced, the sound-insulating and heat-insulating effects are realized, and the structural safety, the external concealment and the internal comfort are improved.
Drawings
FIG. 1 is a partial cross-sectional view of a pressure housing of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a middle housing A-A of an embodiment of the present invention;
FIG. 4 is a front view of an inner shell according to an embodiment of the present invention;
FIG. 5 is a left side view of an inner shell of an embodiment of the present invention;
FIG. 6 is a front view of an outer shell of an embodiment of the present invention;
FIG. 7 is a left side view of an outer shell of an embodiment of the present invention;
FIG. 8 is a schematic view of the outer shell and the outer shell of the shell according to the embodiment of the present invention;
FIG. 9 is a schematic diagram of the inner plate of the housing and the inner shell of the embodiment of the invention;
FIG. 10 is a schematic diagram of an embodiment of the present invention showing the mating of octagonal frustum rib elements of the outer and inner shells;
FIG. 11 is a schematic view of a flange structure according to an embodiment of the present invention;
FIG. 12 is a top view of a first rib unit in accordance with an embodiment of the present invention;
FIG. 13 is a front view of a first rib unit in accordance with an embodiment of the present invention;
FIG. 14 is a top view of a second rib unit in accordance with an embodiment of the present invention;
FIG. 15 is a front view of a second rib unit according to an embodiment of the present invention;
FIG. 16 is an assembly flow diagram of an embodiment of the present invention;
FIG. 17 is a schematic view of a first step of an assembly process according to an embodiment of the present invention;
FIG. 18 is a second step of the assembly process of the present invention;
FIG. 19 is a third schematic diagram of an assembly process according to an embodiment of the present invention;
FIG. 20 is a fourth step of the assembly process of the present invention;
FIG. 21 is a fifth step of the assembly process according to the embodiment of the present invention;
FIG. 22 is a sixth step of the assembly process according to the embodiment of the present invention;
FIG. 23 is a seventh step of the assembly process according to the embodiment of the present invention;
wherein, 1, a middle shell; 2. a left end flange; 3. a right end flange; 11. a shell outer plate; 12. an outer shell; 13. an inner shell; 14. a housing inner plate; 15. a first rib unit; 16. a first channel; 17. a second rib unit; 18. a second channel; 19. a feed port.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the following specific embodiments and the accompanying drawings.
As shown in fig. 1, the column-shaped pressure resistant device in combination with fig. 2 is composed of a middle casing 1, a left end flange 2 and a right end flange 3, wherein the left end flange 2 and the right end flange 3 are respectively welded at two ends of the middle casing 1.
As shown in fig. 3, the middle shell 1 is composed of an outer shell 11, an outer shell 12, an inner shell 13 and an inner shell 14, and the contact parts of two adjacent stacked shells are tightly attached, so that the radial force is better converted into the in-plane force, and the strength and rigidity of the pressure-resistant shell are improved.
As a preferred embodiment of the present invention, as shown in fig. 10, each second rib unit inside the outer shell 12 is matched with 4 first rib units outside the inner shell 13, and the inclined sidewalls of the eight-truncated-pyramid rib are overlapped up and down to convert the radial force applied to the pressure-resistant shell into the sidewall surface internal force of the eight-truncated-pyramid rib, so as to increase the wall thickness, improve the strength and rigidity of the pressure-resistant shell, and the strength-weight ratio and the rigidity-weight ratio, thereby improving the safety and the reserve buoyancy.
As a preferred embodiment of the present invention, the angle between the plane of the sidewall of the first rib unit in the octagonal frustum structure and the planes of the upper and lower bottoms thereof is 45 °.
As shown in fig. 4 and 5, the inner shell 13 is formed by pressing a plurality of first rib units 15 uniformly distributed from a cylinder, and first feeding channels 16 are provided at both sides of each first rib unit to facilitate the injection of the foaming filling material.
As shown in fig. 6 and 7, the outer shell 12 is formed by pressing a plurality of second protruding rib units 17 which are uniformly distributed from a cylinder, and second feeding channels 18 are arranged at two sides of each second protruding rib unit to facilitate the injection of the foaming filling material.
As shown in fig. 8 and 9, the outer shell 12 is disposed inside the outer shell 11, and the contacting portions of the two are tightly attached to facilitate force transmission. The inner shell 13 is arranged outside the inner plate 14 of the shell, and the contact parts of the inner shell and the outer shell are tightly attached so as to facilitate force transmission.
As shown in fig. 11, the left and right flanges have the same structure, and the flanges are provided with grooves corresponding to the structures at the two ends of the middle housing for fixing and positioning.
As shown in fig. 2, 4 and 6, the flange is further provided with a plurality of feeding holes 19, the plurality of first rib units are arranged on the outer surface of the inner shell in an array, and any row of first rib units arranged on the outer surface of the cylindrical inner shell along the axial direction of the cylinder is provided with a first feeding channel penetrating through the inner cavities of the row of first rib units;
the second convex rib units are arranged on the inner surface of the outer layer shell in an array manner, the outer layer shell is cylindrical, and any one row of second convex rib units arranged on the inner surface of the cylindrical outer layer shell along the axial direction of the cylinder is provided with a second feeding channel penetrating through the inner cavity of the row of second convex rib units;
filling the sound-insulating foaming material into the cavity inside the first convex rib unit through the feeding hole 19 and the first feeding channel;
and filling the sound-insulation foaming material into the cavity inside the second convex rib unit through the feeding hole 19 and the second feeding channel.
Finally, the sound insulation and heat insulation effects of the whole pressure-resistant shell structure are realized, and the structure safety, the external concealment and the internal comfort are improved.
The invention relates to an assembling method of a pressure shell structure for a large-depth submersible vehicle, which comprises the following steps:
the first step is as follows: one shell inner plate is taken
Assembling a middle shell from inside to outside, and firstly taking a shell inner plate;
the second step is that: inner shell assembled outside inner plate of shell
The inner plate of the shell is sleeved in the inner shell;
the third step: outer shell assembled outside inner shell
Assembling a shell inner plate and an inner shell, cutting the outer shell into two half outer shell units, and sequentially assembling the two half outer shell units outside the inner shell;
the fourth step: spot welding positioning, seam welding, and re-spot welding
After the two half outer layer shell units are assembled, firstly performing spot welding on the contact parts of the two half outer layer shell units to fix the positions of the two half outer layer shell units, then performing seam welding and overall welding, and performing spot welding and leakage repairing again;
the fifth step: outer shell plate of outer shell external assembly
Welding the outer shell, and sleeving the assembled three-layer shell into the outer shell of the shell to form a middle shell;
and a sixth step: middle shell two ends clamping seal head
After the middle shell is assembled, two ends of the middle shell are butted with the grooves on the flanges;
the seventh step: spot welding positioning, seam welding, and re-spot welding
Firstly, spot welding is carried out to fix the position, seam welding and overall welding are carried out, and leakage is repaired by spot welding again;
eighth step: injecting a foaming material
Injecting broken resin into the shell through the feeding hole on the flange;
the ninth step: standing to air dry and solidify
After the foaming material is injected, the shell needs to be kept stand, so that the foaming material in the shell is air-dried and solidified, and the structure in the shell is more stable.
The first convex rib unit is formed by pressing a cylindrical inner shell outwards;
the second rib unit is formed by pressing a cylindrical outer shell inwards.
The large-depth submersible vehicle comprises a pressure-resistant shell, wherein the pressure-resistant shell adopts a pressure-resistant shell structure for the large-depth submersible vehicle.
The embodiments of the present invention are described in detail above with reference to the drawings, but the present invention is not limited to the described embodiments. It will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the spirit and scope of the invention.

Claims (10)

1. The utility model provides a big degree of depth is withstand voltage shell structure for marine vehicle, is combination formula cylindricality structure, includes shell planking, outer shell, inlayer shell and the casing inner panel of outside-in coaxial setting in proper order, be equipped with withstand voltage structure between inlayer shell and the outer shell, its characterized in that, withstand voltage structure includes:
a plurality of prismatic table-shaped first convex rib units which are uniformly arranged on the outer surface of the inner shell at equal intervals;
correspond on the internal surface of outer shell the first fin unit is equipped with the second fin unit that a plurality of is the terrace with edge form, first fin unit and second fin unit overlap setting of staggering each other to turn into the radial force that the casing received the face internal force on the fin unit lateral wall.
2. The pressure housing structure of claim 1, wherein the first rib unit and the second rib unit are of eight-frustum structure, and wherein the frustum sidewall of every 4 adjacent first rib units on the outer surface of the inner shell is symmetrically connected with the frustum peripheral sidewall of 1 second rib unit in an overlapping manner;
or, the inner surface of the outer shell is not provided with 4 adjacent prismatic table side walls of the second convex rib units, and the prismatic table side walls of the second convex rib units are symmetrically overlapped and connected with 1 prismatic table peripheral side wall of the first convex rib unit.
3. The pressure hull structure according to claim 2, wherein the angle between the plane of the first rib unit of the octagonal frustum structure and the plane of the upper and lower bottom of the octagonal frustum is 45 ° and/or the angle between the plane of the second rib unit of the octagonal frustum structure and the plane of the upper and lower bottom of the octagonal frustum is 45 °.
4. The pressure shell structure for the large-depth submersible vehicle as claimed in claim 1, wherein the outer shell, the inner shell and the inner shell are all cylindrical structures with two open ends.
5. The pressure shell structure for the large-depth submersible vehicle according to claim 4, wherein after the inner shell is sleeved with the inner shell plate, a cavity is formed between the first rib unit and the outer surface of the inner shell plate;
after the outer shell is sleeved with the shell outer plate, a cavity is formed between the second convex rib unit and the inner surface of the shell outer plate;
and a sound insulation foaming material is filled in the cavity.
6. The pressure housing structure of claim 5, wherein a plurality of the first rib units are arranged in an array on the outer surface of the inner shell, a first feeding channel penetrating through the cavities inside the first rib units is arranged on any row of the first rib units on the outer surface of the cylindrical inner shell along the axial direction of the cylinder, and the cavities inside the first rib units are filled with the sound-insulating foaming material through the first feeding channel;
a plurality of second fin unit is in be the array arrangement on the internal surface of outer shell, be equipped with the second charge channel who runs through this row of second fin unit inside cavity on the arbitrary row of second fin unit that sets up along section of thick bamboo axis direction on the outer shell internal surface of cylindric, through second charge channel is to filling in the inside cavity of second fin unit give sound insulation expanded material.
7. The pressure shell structure for the large-depth submersible vehicle according to claim 6, further comprising connecting flanges arranged at the left and right ends of the pressure shell formed by the inner shell and the outer shell, wherein the connecting flanges are provided with feed holes communicated with the first feed channel and the second feed channel.
8. The method for assembling the pressure shell structure for the great-depth submersible vehicle according to claim 6 or 7, characterized by comprising the following steps:
the first step is as follows: one shell inner plate is taken
Assembling a middle shell from inside to outside, and firstly taking a shell inner plate;
the second step is that: inner shell assembled outside inner plate of shell
The inner plate of the shell is sleeved in the inner shell;
the third step: outer shell assembled outside inner shell
Assembling a shell inner plate and an inner shell, cutting the outer shell into two half outer shell units, and sequentially assembling the two half outer shell units outside the inner shell;
the fourth step: spot welding positioning, seam welding, and re-spot welding
After the two half outer layer shell units are assembled, firstly performing spot welding on the contact parts of the two half outer layer shell units to fix the positions of the two half outer layer shell units, then performing seam welding and overall welding, and performing spot welding and leakage repairing again;
the fifth step: outer shell plate of outer shell external assembly
Welding the outer shell, and sleeving the assembled three-layer shell into the outer shell of the shell to form a middle shell;
and a sixth step: middle shell two ends clamping seal head
After the middle shell is assembled, two ends of the middle shell are butted with the grooves on the flanges;
the seventh step: spot welding positioning, seam welding, and re-spot welding
Firstly, spot welding is carried out to fix the position, seam welding and overall welding are carried out, and leakage is repaired by spot welding again;
eighth step: injecting a foaming material
Injecting broken resin into the shell through the feeding hole on the flange;
the ninth step: standing to air dry and solidify
After the foaming material is injected, the shell needs to be kept stand, so that the foaming material in the shell is air-dried and solidified, and the structure in the shell is more stable.
9. The method of assembling a pressure hull structure for a deep submersible according to claim 8,
the first convex rib unit is formed by pressing a cylindrical inner shell outwards;
the second rib unit is formed by pressing a cylindrical outer shell inwards.
10. A large-depth submersible vehicle, which comprises a pressure-resistant shell, and is characterized in that the pressure-resistant shell adopts a pressure-resistant shell structure for the large-depth submersible vehicle as claimed in any one of claims 1 to 7.
CN202010129148.0A 2020-02-28 2020-02-28 Large-depth submersible vehicle, pressure-resistant shell for large-depth submersible vehicle and assembling method of pressure-resistant shell Active CN111301605B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202010129148.0A CN111301605B (en) 2020-02-28 2020-02-28 Large-depth submersible vehicle, pressure-resistant shell for large-depth submersible vehicle and assembling method of pressure-resistant shell
PCT/CN2021/072832 WO2021169680A1 (en) 2020-02-28 2021-01-20 Large-depth underwater vehicle, pressure-resistant shell for large-depth underwater vehicle and assembling method of pressure-resistant shell
KR1020227007539A KR20220047298A (en) 2020-02-28 2021-01-20 High-deep submersible, pressure-resistant housing for submersibles and assembly method thereof

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CN202010129148.0A CN111301605B (en) 2020-02-28 2020-02-28 Large-depth submersible vehicle, pressure-resistant shell for large-depth submersible vehicle and assembling method of pressure-resistant shell

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CN111301605B CN111301605B (en) 2022-04-15

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WO2021169680A1 (en) * 2020-02-28 2021-09-02 江苏科技大学 Large-depth underwater vehicle, pressure-resistant shell for large-depth underwater vehicle and assembling method of pressure-resistant shell
CN114406613A (en) * 2022-01-21 2022-04-29 江苏科技大学 Laminated egg-shaped pressure-resistant shell and processing method thereof
CN114872825A (en) * 2022-03-29 2022-08-09 郑州轻工业大学 Bilateral symmetry inner microstructure gap intercommunicating type high pressure resistant shell

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CN114852247B (en) * 2022-05-23 2023-05-26 江苏科技大学 Corrugated cylindrical pressure-resistant shell and forming device and method thereof
CN115195934B (en) * 2022-06-27 2023-08-22 江苏科技大学 Ribbed corrugated egg-shaped pressure-resistant shell and processing method thereof
CN115113343B (en) * 2022-07-04 2023-06-20 中国科学院沈阳自动化研究所 Large-depth quick-plug type optical communication cabin structure of underwater robot

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