CN114228963B - Flexible connection sealing device for ship-borne radar conformal stealth - Google Patents
Flexible connection sealing device for ship-borne radar conformal stealth Download PDFInfo
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- CN114228963B CN114228963B CN202111192296.8A CN202111192296A CN114228963B CN 114228963 B CN114228963 B CN 114228963B CN 202111192296 A CN202111192296 A CN 202111192296A CN 114228963 B CN114228963 B CN 114228963B
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- ship
- sealing gasket
- flexible
- cabin body
- flexible sealing
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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
- B63G13/00—Other offensive or defensive arrangements on vessels; Vessels characterised thereby
- B63G13/02—Camouflage
-
- 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
- B63G13/00—Other offensive or defensive arrangements on vessels; Vessels characterised thereby
- B63G13/02—Camouflage
- B63G2013/027—Camouflage using stealth design, i.e. superstructures, hulls, or other vessel's components shaped or constructed for minimizing reflection of radar or sonar beams, or the like
Abstract
The invention provides a flexible connection sealing device for a ship-borne radar conformal stealth, which comprises a flexible sealing gasket, a pressing plate, a first fixing device and a second fixing device, wherein the flexible sealing gasket is arranged on the outer wall of a ship cabin body, a first annular bulge is formed on the first surface of the flexible sealing gasket and filled in a gap between the ship cabin body and the ship-borne radar, the first annular bulge can deform according to the change of the gap between the ship cabin body and the ship-borne radar, the pressing plate comprises a first pressing plate positioned on an inner ring and a second pressing plate positioned on an outer ring, the pressing plate covers and seals the second surface of the flexible sealing gasket to isolate the flexible sealing gasket from the outside, the sealing problem between the ship-borne radar and the ship cabin body and the gap change problem between the ship-borne radar and the ship cabin body due to temperature, vibration and the like are solved by utilizing the flexible contraction and stretching of the first annular bulge, the coupling conformal design of the ship-borne radar and the ship-borne radar is realized, the scattering value of the ship-borne radar is reduced, and the stealth performance of the ship-borne radar is enhanced.
Description
Technical Field
The invention belongs to the technical field of sealing connection, and particularly relates to a flexible connection sealing device for conformal stealth of a ship-borne radar.
Background
According to statistics, the contribution value of each ship surface device to the RCS (radar scattering cross section) of the whole ship accounts for about 40%, and the ship-based radar and the ship cabin body are coupled, so that the scattering value of the ship-based radar can be reduced, and the stealth performance of the ship-based radar is enhanced. However, the installation of the ship-borne radar needs higher precision requirement and structural reliability, and the wall surface of the ship cabin body cannot meet the requirement of rigidity strength, so the ship-borne radar cannot be directly installed on the wall surface of the ship cabin body and needs to be installed on a horizontal installation surface in the ship cabin body to ensure the installation precision requirement and structural reliability of the ship-borne radar. Therefore, in order to solve the above-mentioned problems, it is necessary to design a flexible connection sealing device for connecting the ship-based radar and the wall surface of the ship cabin body, which can eliminate the influence of the gap change between the ship-based radar and the ship cabin body caused by temperature, vibration, etc., and increase the service life of the flexible connection sealing device in the marine environment.
Disclosure of Invention
The invention aims to provide a flexible connection sealing device for conformal stealth of a ship-borne radar, which realizes the coupling conformal design of the ship-borne radar and a ship cabin body, thereby reducing the scattering value of the ship-borne radar and enhancing the stealth of the ship-borne radar.
In order to solve the problems, the technical scheme of the invention is as follows:
a flexible connection sealing device for conformal stealth of a ship-borne radar is characterized in that a ship cabin body is provided with a detection port through which the ship-borne radar penetrates for detection, the sealing device is used for connecting the ship cabin body and the ship-borne radar, and comprises a flexible sealing gasket, a pressing plate, a first fixing device and a second fixing device;
the flexible sealing gasket comprises a first surface and a second surface which are opposite, the first surface of the flexible sealing gasket is arranged on the outer wall of the ship cabin body, the second surface of the flexible sealing gasket is sunken towards the first surface, a first annular bulge is formed on the first surface of the flexible sealing gasket, a first groove is formed on the second surface of the flexible sealing gasket, the first annular bulge is filled in a gap between the ship cabin body and the ship-borne radar, and the first annular bulge can deform according to the change of the gap between the ship cabin body and the ship-borne radar;
the pressure plate comprises a first pressure plate positioned on the inner ring and a second pressure plate positioned on the outer ring, and the pressure plate covers and seals the second surface of the flexible sealing gasket to isolate the flexible sealing gasket from the outside;
the first fixing device fixedly connects the ship-based radar, the flexible sealing gasket and the first pressing plate along a detection direction;
the second fixing device is used for fixedly connecting the cabin body, the flexible sealing gasket and the second pressure plate along the detection direction.
Preferably, the first groove and the second pressing plate form an air duct, the surface of the second pressing plate, which is close to the flexible sealing gasket, is provided with at least two drainage air holes, and the drainage air holes are communicated with the air duct.
Preferably, the periphery of the first pressing plate is provided with a circle of bosses, the surface of the second pressing plate, which is close to the flexible sealing gasket, is provided with a circle of accommodating grooves matched with the bosses, and the bosses can slide in the accommodating grooves.
Preferably, a plurality of circles of second annular protrusions are arranged on the first surface and the second surface of the flexible sealing gasket respectively and used for increasing the friction force.
Preferably, the shape of the cross section of the first annular protrusion is semicircular or triangular or rectangular or wavy or zigzag or stepped.
Preferably, the first fixing device and the second fixing device both adopt bolt screw holes to fix the connecting device.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
1) The invention provides a flexible connection sealing device for a ship-borne radar conformal stealth, which comprises a flexible sealing gasket, a pressing plate, a first fixing device and a second fixing device, wherein the flexible sealing gasket is arranged on the outer wall of a ship cabin body, a first annular bulge is formed on the first surface of the flexible sealing gasket and filled in a gap between the ship cabin body and the ship-borne radar, the first annular bulge can deform according to the change of the gap between the ship cabin body and the ship-borne radar, the pressing plate comprises a first pressing plate positioned on an inner ring and a second pressing plate positioned on an outer ring, the pressing plate covers and seals the second surface of the flexible sealing gasket to isolate the flexible sealing gasket from the outside, the sealing problem between the ship-borne radar and the ship cabin body and the gap change problem between the ship-borne radar and the ship cabin body due to temperature, vibration and the like are solved by utilizing the flexible contraction and stretching of the first annular bulge, and the coupling conformal design of the ship-borne radar and the ship cabin body is realized, so that the scattering value of the ship-borne radar is reduced and the stealth performance of the ship-borne radar is enhanced.
2) According to the flexible connection sealing device for the ship-based radar conformal stealth, the first groove on the flexible sealing gasket and the second pressing plate form an air duct, the surface, close to the flexible sealing gasket, of the second pressing plate is provided with at least two drainage air holes, the drainage air holes are communicated with the air duct, the flexible sealing gasket is timely radiated, and water accumulation inside the flexible sealing gasket is prevented, so that the aging failure of the flexible sealing gasket is slowed down, and the service life of the flexible sealing gasket is prolonged.
Drawings
Fig. 1 is a perspective view of a flexible connection sealing device for a ship-based radar conformal stealth provided by an embodiment of the invention;
fig. 2 is an exploded view of a flexible connection sealing device for a ship-based radar conformal stealth provided by an embodiment of the invention;
fig. 3 is another exploded view of a flexible connection sealing device for conformal stealth of a ship-borne radar according to an embodiment of the present invention;
fig. 4 is a front view of a flexible connection sealing device for a ship-based radar conformal stealth provided by an embodiment of the invention;
FIG. 5 isbase:Sub>A sectional view taken along line A-A of FIG. 4;
FIG. 6 is an enlarged view of a portion of FIG. 5 at I;
fig. 7 is a schematic diagram of a state that a gap between a ship-based radar and a ship cabin body is squeezed according to an embodiment of the invention;
fig. 8 is a schematic diagram of a state that a gap between the shipboard radar and the cabin body is stretched according to the embodiment of the invention;
FIG. 9 is a schematic view of a first annular protrusion on the flexible seal having a triangular cross-section;
FIG. 10 is a schematic view of a first annular protrusion on the flexible seal having a rectangular cross-section;
FIG. 11 is a schematic view of a first annular protrusion on the flexible seal having a wave-shaped cross-section;
FIG. 12 is a schematic view of a first annular protrusion on a flexible seal having a sawtooth cross-section;
FIG. 13 is a schematic view of a first annular protrusion on a flexible seal having a stepped cross-section.
Description of reference numerals:
1: a cabin body of the ship; 11: a probe port; 2: a shipboard radar; 3: a flexible gasket; 31: a first annular projection; 32: a first groove; 33: a second annular projection; 4: pressing a plate; 41: a first presser plate; 411: a boss; 42: a second platen; 421: draining air holes; 422: a containing groove; 5: a first fixing device; 6: a second fixing device; 7: and (7) mounting the platform.
Detailed Description
The flexible connection sealing device for the conformal stealth of the ship-borne radar, which is provided by the invention, is further described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims.
The installation of the ship-based radar needs higher precision requirement and structural reliability, and the wall surface of the ship cabin body cannot meet the requirement of rigidity and strength, so that in the prior art, the ship-based radar cannot be directly installed on the wall surface of the ship cabin body, and needs to be installed on a horizontal installation surface in the ship cabin body to ensure the installation precision requirement and the structural reliability of the ship-based radar. In this embodiment, the ship-based radar is also horizontally installed on a horizontal installation surface inside the ship cabin body, as shown in fig. 2, an installation platform 7 is arranged inside the ship cabin body 1, the ship-based radar 2 is horizontally installed on the installation platform 7 through a bolt assembly, a detection port 11 is formed in a bulkhead of the ship cabin body 1, and the ship-based radar 2 detects the condition outside the ship through the detection port 11.
Referring to fig. 1 to 6, the embodiment provides a flexible connection sealing device for conformal stealth of a ship-borne radar, which is used for sealing and connecting a cabin body 1 and a ship-borne radar 2, and comprises a flexible sealing gasket 3, a pressure plate 4, a first fixing device 5 and a second fixing device 6;
referring to fig. 2 and 3, the flexible sealing gasket 3 includes a first surface and a second surface which are opposite, the first surface of the flexible sealing gasket 3 is installed on the outer wall of the ship cabin body 1, the second surface of the flexible sealing gasket 3 is recessed towards the first surface, a first annular protrusion 31 is formed on the first surface of the flexible sealing gasket 3, a first groove 32 is formed on the second surface of the flexible sealing gasket, the first annular protrusion 31 is filled in the gap between the ship cabin body 1 and the shipboard radar 2, the first annular protrusion 31 can deform according to the change of the gap between the ship cabin body 1 and the shipboard radar 2, and in the actual use process of the ship body, the gap between the shipboard radar 2 and the ship cabin body 1 changes due to temperature, vibration and other reasons, as shown in fig. 7, fig. 7 shows that the gap between the ship-based radar 2 and the ship cabin body 1 is squeezed due to temperature, vibration and other reasons, at this time, the first annular protrusion 31 is squeezed to achieve a passive adaptive environment, fig. 8 shows that the gap between the ship-based radar 2 and the ship cabin body 1 is stretched due to temperature, vibration and other reasons, at this time, the first annular protrusion 31 is stretched to achieve the passive adaptive environment, the sealing problem between the ship-based radar 2 and the ship cabin body 1 and the gap change problem between the ship-based radar 2 and the ship cabin body 1 due to temperature, vibration and other reasons are solved by utilizing flexible contraction and stretching of the first annular protrusion 31, and the coupling conformal design of the ship-based radar and the ship cabin body is achieved, so that the scattering value of the ship-based radar is reduced, and the self-stealth performance of the ship-based radar is enhanced.
As a preferable example of the present embodiment, the first surface and the second surface of the flexible sealing gasket 3 are both provided with a plurality of circles of second annular protrusions 33, which are used to increase the friction between the first surface of the flexible sealing gasket 3 and the cabin body 1 and between the second surface of the flexible sealing gasket 3 and the pressure plate 4, and the sealing effect between the flexible sealing gasket 3 and the cabin body is increased by utilizing the flexible compression of the second annular protrusions 33.
The pressure plate 4 comprises a first pressure plate 41 positioned on the inner ring and a second pressure plate 42 positioned on the outer ring, and the pressure plate 4 covers and seals the second surface of the flexible sealing gasket 3 to isolate the flexible sealing gasket 3 from the outside;
as a preferred example of the present embodiment, referring to fig. 3, a circle of bosses 411 are disposed on the periphery of the first pressure plate 41, a circle of accommodating groove 422 matched with the bosses 411 is disposed on the surface of the second pressure plate 42 close to the flexible sealing gasket 3, the width of the accommodating groove 422 is larger than that of the bosses 411, the bosses 411 can slide in the accommodating groove 422, during the actual use of the ship body, the gap between the ship-based radar 2 and the ship body 1 changes due to the temperature, vibration, and the like, as shown in fig. 7, fig. 7 shows that the gap between the ship-based radar 2 and the ship body 1 causes extrusion due to the temperature, vibration, and the like, as shown in fig. 8, fig. 8 shows that the gap between the ship-based radar 2 and the ship body 1 causes stretching due to the temperature, vibration, the bosses also adaptively slide in the accommodating groove 422, and the bosses 411 and the accommodating grooves 422 are in a staggered fit, so as to ensure that the flexible sealing gasket 3 is not exposed to the marine environment in the extrusion and stretching processes;
as a preferred example of this embodiment, referring to fig. 4, the first groove 32 and the second pressing plate 42 form an air duct, the surface of the second pressing plate 42 close to the flexible sealing gasket 3 is provided with at least two drainage air holes 421, the drainage air holes 421 are communicated with the air duct, and the flexible sealing gasket is timely cooled and prevented from accumulating water therein, so as to slow down aging failure of the flexible sealing gasket, thereby increasing the service life of the flexible sealing gasket.
Referring to fig. 9 to 13, the cross-section of the first annular protrusion 31 may be triangular, rectangular, wavy, zigzag, or stepped, instead of being semicircular.
The first fixing device 5 fixedly connects the ship-based radar 3, the flexible sealing gasket 3 and the first pressure plate 41 along the detection direction; the second fixing device 6 fixedly connects the cabin body 1, the flexible sealing gasket 3 and the second pressure plate 42 along the detection direction, and in this embodiment, referring to fig. 2, the first fixing device 5 and the second fixing device 6 are fixedly connected by using bolt and screw holes.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, they are still within the scope of the present invention as far as they fall within the claims of the present invention and their equivalents.
Claims (4)
1. A flexible connection sealing device for conformal stealth of a ship-borne radar is characterized by comprising a flexible sealing gasket, a pressing plate, a first fixing device and a second fixing device, wherein an installation platform is arranged in a ship cabin body, the ship-borne radar is horizontally installed on the installation platform through a bolt assembly, a detection port is formed in the bulkhead of the ship cabin body, the ship-borne radar penetrates through the detection port to detect, and the sealing device is used for connecting the ship cabin body and the ship-borne radar;
the flexible sealing gasket comprises a first surface and a second surface which are opposite, the first surface of the flexible sealing gasket is arranged on the outer wall of the ship cabin body, the second surface of the flexible sealing gasket is sunken towards the first surface, a first annular bulge is formed on the first surface of the flexible sealing gasket, a first groove is formed on the second surface of the flexible sealing gasket, the first annular bulge is filled in a gap between the ship cabin body and the ship-borne radar, and the first annular bulge can deform according to the change of the gap between the ship cabin body and the ship-borne radar;
the pressure plate comprises a first pressure plate positioned on the inner ring and a second pressure plate positioned on the outer ring, and the pressure plate covers and seals the second surface of the flexible sealing gasket to isolate the flexible sealing gasket from the outside;
the first fixing device fixedly connects the ship-based radar, the flexible sealing gasket and the first pressure plate along the detection direction;
the second fixing device fixedly connects the cabin body, the flexible sealing gasket and the second pressure plate along the detection direction;
the first groove and the second pressing plate form an air duct, at least two drainage air holes are formed in the surface, close to the flexible sealing gasket, of the second pressing plate, and the drainage air holes are communicated with the air duct; the periphery of first clamp plate is equipped with the round boss, being close to of second clamp plate flexible seal pad seted up on the surface with boss matched with round storage tank, the boss can slide in the storage tank, the boss with storage tank cross-under-coordination, when the gap between the carrier-borne radar and the warship cabin body arouses the extrusion or when tensile because of the reason of temperature, vibration, the boss adaptability ground slides in the storage tank for flexible seal pad can not expose under marine environment at extrusion and tensile in-process.
2. The flexible connection sealing device for the shipboard radar conformal stealth of claim 1, wherein a plurality of circles of second annular protrusions are arranged on the first surface and the second surface of the flexible sealing gasket to increase friction.
3. The flexible connection sealing device for the shipboard radar conformal stealth of claim 1, wherein the shape of the cross section of the first annular protrusion is semicircular or triangular or rectangular or wavy or zigzag or stepped.
4. The flexible connection sealing device for the shipboard radar conformal stealth of claim 1, wherein the first fixing device and the second fixing device both employ bolt and screw hole fixing connection devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111192296.8A CN114228963B (en) | 2021-10-13 | 2021-10-13 | Flexible connection sealing device for ship-borne radar conformal stealth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111192296.8A CN114228963B (en) | 2021-10-13 | 2021-10-13 | Flexible connection sealing device for ship-borne radar conformal stealth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114228963A CN114228963A (en) | 2022-03-25 |
| CN114228963B true CN114228963B (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111192296.8A Active CN114228963B (en) | 2021-10-13 | 2021-10-13 | Flexible connection sealing device for ship-borne radar conformal stealth |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0995295A (en) * | 1995-10-02 | 1997-04-08 | Hitachi Zosen Corp | Device for inspection and replacing accessory of underwater structure |
| JP4208957B2 (en) * | 2006-09-27 | 2009-01-14 | 政人 名川 | gasket |
| CN209542502U (en) * | 2019-01-28 | 2019-10-25 | 上海船舶运输科学研究所 | A kind of detecting device for moisture content |
| CN211001180U (en) * | 2019-10-21 | 2020-07-14 | 三一汽车制造有限公司 | Sealing device and vehicle |
| CN211685535U (en) * | 2019-12-19 | 2020-10-16 | 郑州德莱孚科技有限公司 | Radar stealth sidelight and ship with same |
| CN212637818U (en) * | 2020-04-21 | 2021-03-02 | 中船黄埔文冲船舶有限公司 | Embedded watertight box for warship |
| CN111609137B (en) * | 2020-05-28 | 2022-07-12 | 中国电子工程设计院有限公司 | Flexible sealing device |
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| CN114228963A (en) | 2022-03-25 |
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