CN113148002A - Marine reversible railing with low target characteristic - Google Patents
Marine reversible railing with low target characteristic Download PDFInfo
- Publication number
- CN113148002A CN113148002A CN202110445756.7A CN202110445756A CN113148002A CN 113148002 A CN113148002 A CN 113148002A CN 202110445756 A CN202110445756 A CN 202110445756A CN 113148002 A CN113148002 A CN 113148002A
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- Prior art keywords
- plate
- railing
- hinged
- deck
- low target
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- Pending
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- 230000002441 reversible effect Effects 0.000 title claims abstract description 26
- 230000000903 blocking effect Effects 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 239000002131 composite material Substances 0.000 claims abstract description 5
- 239000011152 fibreglass Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 3
- 241000755266 Kathetostoma giganteum Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B17/04—Stanchions; Guard-rails ; Bulwarks or the like
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a marine reversible handrail with low target characteristics, which comprises a plurality of bases arranged on a deck, upright posts arranged on the bases and a plurality of baffle pipes used for connecting the upright posts, wherein the base is provided with a plurality of first baffle pipes; the base is provided with a hinged end, a fixed end and a positioning bolt, the top of the hinged end is fixedly connected with the upright column, the bottom of the hinged end is hinged and limited with the fixed end through the positioning bolt, the hinged end can rotate around the fixed end, and the bottom of the fixed end is fixedly connected with the deck; the cross sections of the upright posts and the upper blocking pipes are regular hexagons, and the cross sections of other blocking pipes are regular rhombuses. The railing is designed in an invertible mode, the upright posts and the blocking pipes of the railing are designed in cross sections of regular hexagons and regular rhombuses, the seat plate, the web plate and the connecting plate of the base are designed in an inward inclining mode, and the radar cross section area of the railing is reduced through the design; the railing is made of glass fiber reinforced plastic composite materials, and the hidden coating is coated on the whole railing, so that the radar cross section and the infrared radiation characteristic of the railing are reduced.
Description
Technical Field
The invention relates to the technical field of intersection of radar wave infrared stealth and ship body accessories, in particular to a marine reversible handrail with low target characteristics.
Background
The Radar cross-section (RCS) refers to the reflection cross-section of a Radar, the Radar detection principle is that emitted electromagnetic waves irradiate the surface of an object and are reflected back to a receiving antenna, the smaller the electromagnetic waves returning from the original path of the Radar waves irradiating the surface of the object are, the smaller the Radar cross-section is, the smaller the signal characteristics of the Radar to a target are, and the shorter the detection distance is.
According to relevant standard requirements, marine reversible railings in corresponding forms are required to be arranged at ladder openings, hatches and open edges of ship weather decks of surface ships, so that personnel traffic safety is guaranteed. The reversible railing for ship is an important part of the ship accessory, and usually adopts a mode that the upright post is connected with the cross rail pipe. The threats faced by the water surface ships mainly come from the horizontal incidence direction, the upright posts and the crosspiece pipes of the existing reversible railings for the ships mostly adopt a cylindrical form, the cylindrical structures are all mirror surface scattering in all directions of 0-360 degrees, the radar cross section is large, strong mirror surface scattering can be caused in the incidence direction, meanwhile, the reversible railings for the ships arranged on the ship surface can be coupled with surrounding ship structures and equipment for many times, and the reversible railings belong to a strong scatterer structure for the stealth ships. The marine reversible balustrade is exposed to solar radiation and can also cause infrared radiation characteristics.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the reversible handrail for the ship with low target characteristic, which can effectively reduce the radar wave scattering sectional area and the infrared characteristic of the reversible handrail for the ship
The technical scheme adopted by the invention is as follows: a low-target-property reversible handrail for a ship comprises a plurality of bases arranged on a deck, upright posts arranged on the bases and a plurality of blocking pipes used for connecting the upright posts; the method is characterized in that: the base is provided with a hinged end, a fixed end and a positioning bolt, the top of the hinged end is fixedly connected with the upright column, the bottom of the hinged end is hinged and limited with the fixed end through the positioning bolt, the hinged end can rotate around the fixed end, and the bottom of the fixed end is fixedly connected with the deck; the cross sections of the upright posts and the upper blocking pipes are regular hexagons, and the cross sections of other blocking pipes are regular rhombuses.
According to the technical scheme, the fixed end comprises a web plate, a connecting plate arranged on the web plate, a stop plate close to the inner side of the deck and a seat plate symmetrically arranged, the web plate is welded on the deck, the connecting plate is connected with the web plate through a sunk screw, the stop plate is vertically fixed on the edge of the connecting plate close to the inner side of the deck, and the seat plate is vertically fixed on the connecting plate and connected with the stop plate.
According to the technical scheme, the hinged end comprises an inserting plate hinged to the seat plate and a sleeve fixed to the top end of the inserting plate, the cross section of the inner cavity of the sleeve is in a regular hexagon, and the bottom end of the stand column penetrates into the sleeve.
According to the technical scheme, the seat plate is provided with three notches, and the inserting plate is provided with two notches; the slot matching mode of the inserting plate and the seat plate has two choices, one slot of the inserting plate is matched with one slot of the seat plate, and the other slot of the inserting plate is selectively matched with the other two slots of the seat plate; and a positioning bolt is arranged in the matching notch.
According to the technical scheme, the upright post is connected with the sleeve through the flat-head bolt.
According to the technical scheme, the front end face of the seat plate adopts an inward-inclined design, and the included angle between the front end face of the seat plate and the horizontal plane is 70-88 degrees.
According to the technical scheme, the web plate and the side wall of the connecting plate are both designed to be inwards inclined, and the included angle between the side wall surface of the web plate and the side wall surface of the connecting plate and the horizontal plane is 100-150 degrees.
According to the technical scheme, the upright posts and the baffle pipes are made of glass fiber reinforced plastic composite materials.
According to the technical scheme, the surfaces of the upright post and the baffle pipe are integrally coated with infrared and radar wave-absorbing compatible stealth coatings.
The beneficial effects obtained by the invention are as follows:
1. the railing is designed to be overturnable, and is laid when not in use, so that the protruding volume of the railing is reduced, and the cross section of a radar is reduced; the vertical columns and the baffle pipes of the handrails are designed by adopting the cross sections of regular hexagons and regular rhombuses, the radar cross sections of the handrails are smaller than that of the handrails with circular cross sections, and the handrails are prevented from being scattered by mirror surfaces in all directions of 0-360 degrees; meanwhile, the cross section adopts the top baffle pipe with the regular hexagon, and the holding feeling of the baffle pipe with the circular cross section is also considered.
2. The base plate, the web plate and the connecting plate of the base adopt an inward-inclining design, and compared with a vertical design, the electromagnetic wave returned by the radar wave irradiated on the surface of an object along the original path is reduced, so that the cross section of the radar is reduced.
3. The railing is made of glass fiber reinforced plastic composite materials, and the reflection of the railing to radar waves is reduced due to the fact that the railing connecting piece is made of countersunk head screws and flat head screws.
4. The hidden coating is coated on the whole railing, so that the wave scattering sectional area and the infrared characteristic of the ship reversible railing radar are effectively reduced, local bright spots or infrared hot spots of the ship radar wave scattering are avoided, and the design of the hidden ship is supported.
Drawings
FIG. 1 is an elevation view of a railing according to an embodiment of the present invention in an upright position;
FIG. 2 is a side view of the embodiment of the present invention showing the balustrade in an upright position;
FIG. 3 is a side view of the embodiment of the present invention showing the rail in an inverted position;
FIG. 4 is a partial view of a base according to an embodiment of the present invention;
in the figure: 1. a deck; 2. a base; 2-1, a hinged end; 2-2, a fixed end; 3. a column; 4. a blocking pipe; 4-1, a top gear pipe; 4-2, a middle-gear pipe; 4-3, a lower gear pipe; 5. a web; 6. a connecting plate; 7. a stopper plate; 8. a seat plate; 9. countersunk head screws; 10. inserting plates; 11. a sleeve; A/B/C/A1/B1, notches.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, the present invention provides a low-target characteristic reversible handrail for a ship, which comprises a plurality of bases 2 arranged on a deck 1, columns 3 arranged on the bases 2, and a plurality of shelves tubes 4 used for connecting the columns 3, wherein the number of the bases 2 is determined according to the length of the handrail, the number of the columns 3 is consistent with that of the bases 1, and the number of the shelves tubes 4 is determined according to the height of the handrail. Preferably, three shift pipes are selected, namely an upper shift pipe 4-1, a middle shift pipe 4-2 and a lower shift pipe 4-3. The cross sections of the upright post 3 and the upper gear tube 4-1 adopt regular hexagons, the cross sections of the middle gear tube and the lower gear tube 4-2 adopt regular rhombuses, and the cross sections of the upright post and the gear tube adopt handrails with other shapes, so that the radar sectional area of the handrails is reduced; the railing can effectively transfer the normal scattering peak caused by the detection wave, and the railing is prevented from becoming a ship radar wave scattering local bright spot or an infrared hot spot. Meanwhile, the upper baffle pipe 4-1 also gives consideration to the gripping sense of the upper baffle pipe with a circular cross section.
The base 2 is provided with a hinged end 2-1, a fixed end 2-2 and a positioning bolt, the top of the hinged end 2-1 is fixedly connected with the upright post 3, the bottom of the hinged end 2-1 is hinged and limited with the fixed end 2-2 through the positioning bolt, the hinged end 2-1 can rotate around the fixed end 2-2, and the bottom of the fixed end 2-2 is fixedly connected with the deck 1.
The fixed end 2-2 comprises a web 5, a connecting plate 6 arranged on the web 5, a stop plate 7 close to the inner side of the deck and a seat plate 8 symmetrically arranged. The web 5 is welded on the deck 1, and the connecting plate 6 is connected with the web 5 through countersunk screw 9, and the countersunk screw 9 can be adopted to avoid scattering caused by screw protrusion, thereby reducing the target characteristics of the railing. The stop plate 7 is vertically fixed on the edge of the connecting plate 6 close to the inner side of the deck, and the seat plate 8 is vertically fixed on the connecting plate 6 and connected with the stop plate 7, so that a semi-closed structure is formed by the three parts. The hinged end 2-1 comprises an inserting plate 10 hinged on the seat plate 8 and a sleeve 11 fixed at the top end of the inserting plate 10, the cross section of the inner cavity of the sleeve 11 is in a regular hexagon shape, one end of the upright post 3 is arranged in the sleeve 11 in a penetrating mode, and the upright post 3 is connected with the sleeve 11 through a flat bolt. The post 3 fixed in the sleeve 11 rotates around the seat plate 8 along with the sleeve 3 to realize the available function of the railing.
The seat plate 8 is provided with three notches A, B and C, the notches A and B are vertically arranged, the notches A and C are horizontally arranged, and the notch A is positioned above the notch B; the board 10 is provided with two notches a1 and B1. When the handrail is in a vertical state, the notch A is matched with A1, and the notch B is matched with B1, and a positioning bolt for fixing the current state of the handrail is arranged in the notch; when the railing needs to be in a falling state, the positioning bolt in the B and B1 slot is taken out, the inserting plate 10 rotates around the A and A1, the B1 slot is matched with the C slot after being limited by the stop plate 7, and then the positioning bolt is put in. The switching between the vertical state and the falling state of the handrail is realized by switching the matching mode of the inserting plate and the notch of the seat plate.
The front end face of the seat plate 8 adopts an inward-inclined design, and the included angle between the front end face of the seat plate and the horizontal plane is 70-88 degrees. The web and the connecting plate are both designed to be inwards inclined, so that the web and the connecting plate are in a quadrangular frustum pyramid structure, and the included angle between the side wall surface of the web and the horizontal plane is 100-150 degrees. The base plate, the web plate and the connecting plate of the base adopt an inward-inclining design, and compared with a vertical design, the electromagnetic wave returned by the radar wave irradiated on the surface of an object along the original path is reduced, so that the cross section of the radar is reduced.
Meanwhile, in order to further reduce the target characteristics of the railing, the stand column 3 and the baffle pipe 4 of the reversible railing for the ship are both made of glass fiber reinforced plastic composite materials. The outer surface of the handrail is integrally coated with a layer of high-temperature-resistant infrared and radar wave-absorbing compatible stealth coating, and has good wave-absorbing characteristics in the ranges of X wave band and S wave band; reduce the RCS value and the infrared radiation characteristic of the reversible railing for the ship.
The above examples are only for the purpose of illustrating the idea and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, and the protection scope of the present invention is not limited to the above examples. Therefore, all changes and modifications that come within the spirit of the invention are desired to be protected.
Claims (9)
1. A low-target-property reversible handrail for a ship comprises a plurality of bases arranged on a deck, upright posts arranged on the bases and a plurality of blocking pipes used for connecting the upright posts; the method is characterized in that: the base is provided with a hinged end, a fixed end and a positioning bolt, the top of the hinged end is fixedly connected with the upright column, the bottom of the hinged end is hinged and limited with the fixed end through the positioning bolt, the hinged end can rotate around the fixed end, and the bottom of the fixed end is fixedly connected with the deck; the cross sections of the upright posts and the upper blocking pipes are regular hexagons, and the cross sections of other blocking pipes are regular rhombuses.
2. The marine reversible rail with low target characteristics of claim 1, wherein: the fixed end comprises a web plate, a connecting plate arranged on the web plate, a stop plate close to the inner side of the deck and a seat plate symmetrically arranged, the web plate is welded on the deck, the connecting plate is connected with the web plate through a sunk screw, the stop plate is vertically fixed on the edge of the connecting plate close to the inner side of the deck, and the seat plate is vertically fixed on the connecting plate and connected with the stop plate.
3. The marine reversible rail with low target characteristics of claim 1 or 2, wherein: the hinged end comprises an inserting plate hinged to the seat plate and a sleeve fixed to the top end of the inserting plate, the cross section of an inner cavity of the sleeve is in a regular hexagon, and the bottom end of the stand column penetrates into the sleeve.
4. The marine reversible rail with low target characteristics of claim 3, wherein: the seat plate is provided with three notches, and the inserting plate is provided with two notches; the slot matching mode of the inserting plate and the seat plate has two choices, one slot of the inserting plate is matched with one slot of the seat plate, and the other slot of the inserting plate is selectively matched with the other two slots of the seat plate; and a positioning bolt is arranged in the matching notch.
5. The marine reversible rail with low target characteristics of claim 3, wherein: the upright post is connected with the sleeve through a flat head bolt.
6. The marine reversible rail with low target characteristics of claim 1 or 2, wherein: the front end face of the seat plate adopts an inward-inclined design, and the included angle between the front end face of the seat plate and the horizontal plane is 70-88 degrees.
7. The marine reversible rail with low target characteristics of claim 1 or 2, wherein: the web plate and the connecting plate are both designed to be inwards inclined, and the included angle between the side wall surface of the web plate and the horizontal plane is 100-150 degrees.
8. The marine reversible rail with low target characteristics of claim 1 or 2, wherein: the upright posts and the baffle pipes are made of glass fiber reinforced plastic composite materials.
9. The marine reversible rail with low target characteristics of claim 1 or 2, wherein: the surfaces of the upright post and the baffle pipe are integrally coated with infrared and radar wave-absorbing compatible stealth coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110445756.7A CN113148002A (en) | 2021-04-25 | 2021-04-25 | Marine reversible railing with low target characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110445756.7A CN113148002A (en) | 2021-04-25 | 2021-04-25 | Marine reversible railing with low target characteristic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113148002A true CN113148002A (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110445756.7A Pending CN113148002A (en) | 2021-04-25 | 2021-04-25 | Marine reversible railing with low target characteristic |
Country Status (1)
| Country | Link |
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| CN (1) | CN113148002A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849181A (en) * | 2012-09-19 | 2013-01-02 | 江门市南洋船舶工程有限公司 | Novel marine reversible railing |
| CN203623912U (en) * | 2013-12-03 | 2014-06-04 | 中国石油集团渤海石油装备制造有限公司 | Detachment-free safety baluster column device capable of being put down |
| CN206031701U (en) * | 2016-09-06 | 2017-03-22 | 广船国际有限公司 | Detachable railing of ship deck and boats and ships |
| CN108045500A (en) * | 2017-12-15 | 2018-05-18 | 广新海事重工股份有限公司 | It is a kind of it is peculiar to vessel fall railing |
| CN108528643A (en) * | 2018-04-20 | 2018-09-14 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Quick disassembled ship timber protection can collapsible attachment device |
-
2021
- 2021-04-25 CN CN202110445756.7A patent/CN113148002A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849181A (en) * | 2012-09-19 | 2013-01-02 | 江门市南洋船舶工程有限公司 | Novel marine reversible railing |
| CN203623912U (en) * | 2013-12-03 | 2014-06-04 | 中国石油集团渤海石油装备制造有限公司 | Detachment-free safety baluster column device capable of being put down |
| CN206031701U (en) * | 2016-09-06 | 2017-03-22 | 广船国际有限公司 | Detachable railing of ship deck and boats and ships |
| CN108045500A (en) * | 2017-12-15 | 2018-05-18 | 广新海事重工股份有限公司 | It is a kind of it is peculiar to vessel fall railing |
| CN108528643A (en) * | 2018-04-20 | 2018-09-14 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Quick disassembled ship timber protection can collapsible attachment device |
Non-Patent Citations (2)
| Title |
|---|
| 朱英富等: "《舰船隐身技术》", 30 April 2015 * |
| 韩泰伦等: "《海上霸王战舰》", 31 May 2004 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210723 |