CN107878717B - Externally hung shape-keeping lightning protection cabin - Google Patents
Externally hung shape-keeping lightning protection cabin Download PDFInfo
- Publication number
- CN107878717B CN107878717B CN201711324317.0A CN201711324317A CN107878717B CN 107878717 B CN107878717 B CN 107878717B CN 201711324317 A CN201711324317 A CN 201711324317A CN 107878717 B CN107878717 B CN 107878717B
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- China
- Prior art keywords
- cabin
- ship
- lightning protection
- drag reduction
- reduction liquid
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- 239000007788 liquid Substances 0.000 claims abstract description 46
- 230000009467 reduction Effects 0.000 claims abstract description 36
- 238000004880 explosion Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 abstract description 2
- 230000001965 increasing effect Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 241000251729 Elasmobranchii Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B63G9/00—Other offensive or defensive arrangements on vessels against submarines, torpedoes, or mines
- B63G9/02—Means for protecting vessels against torpedo attack
-
- 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
- B63G9/00—Other offensive or defensive arrangements on vessels against submarines, torpedoes, or mines
- B63G9/02—Means for protecting vessels against torpedo attack
- B63G9/04—Nets or the like
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
Abstract
The invention relates to the technical field of boats, in particular to an externally hung type and a conformal lightning protection cabin. An externally-hung conformal lightning protection cabin comprises a main body and an accessory body, wherein the main body comprises an empty cabin, the device is arranged in a drag reduction liquid cabin and a functional cabin, drag reduction liquid is loaded in the drag reduction liquid cabin, the drag reduction liquid cabin is connected with a discharge pump; a power module and a control system are arranged in the functional cabin, the control system controls the operation of the discharge pump; one surface of the accessory body is fixed on the main body, and the other surface is fixed on the ship body. The lightning protection cabin effectively absorbs the underwater explosion impact force acting on the ship body by utilizing the deformation energy absorption principle; adopts a shape-preserving design, reduces the original gravity center, floating center and steady center change of the transportation ship, the influence on the navigation performance of the ship caused by refitting is reduced; optimizing the overall streamline of the ship and reducing the resistance increment caused by the external hanging cabin; the anti-drag liquid which reduces viscous resistance is loaded in the anti-lightning cabin, discharged in the sailing process, wraps the surface of the ship body, reduces the resistance of the ship body and increases the sailing speed.
Description
Technical Field
The invention relates to the technical field of boats, in particular to an externally-hung shape-preserving lightning protection cabin.
Background
With the increasing demand of modern war for logistics transportation, civil transportation ships play an increasingly important role in the modern war, so that living environments of the civil transportation ships are also threatened more and more seriously, and are often threatened by torpedoes, mines, deepwater bombs and other weapons. Against these threats, how to effectively enhance the protection capability of the transport ship, and ensure that the transport ship can maintain effective vitality under the attack of various weapons is becoming a great importance of research of various military countries. Among the various ways of enhancing the protective capacity of a transport vessel, the protective effect of the side structure is certainly the most effective one. The purpose of setting up protective structure at the broadside is that can effectually protect hull inner structure, electronic equipment, mechanical equipment etc. not destroyed when transportation boats and ships suffer the destruction of various weapons, guarantees the normal activity of personnel on the transportation boats and ships. At present, military combat ships are generally provided with a plurality of layers of broadside protection structures so as to ensure enough vitality and combat power of the ships. However, for civil transportation ships, the civil related specifications are referred to in design and construction, the requirement of resisting underwater explosion is not considered, and the ship body structure is seriously damaged once the ship is impacted by the underwater explosion. At present, the lightning protection structure of the military ship is arranged inside the side structure when being built, and for civil transportation ships, if the protection structure is additionally arranged on the basis of the original ship body, the construction is troublesome, and the modification difficulty is increased; secondly, the space in the original cabin is occupied, the overall arrangement is destroyed, and the cabin is also required to be dismantled for recovery after a war; thirdly, the weight of the ship body structure is increased, the gravity center, the buoyancy center and the like are changed, and the navigation performance of the transport ship is affected. Therefore, the design of the externally-hung shape-preserving lightning protection cabin which is convenient and time-saving in refitting construction, does not occupy the space of the original ship body, does not influence or even improve the original navigation performance becomes a necessary requirement.
Disclosure of Invention
The invention aims to design a lightning protection cabin hung on a ship body, which is convenient to refit and detach. Based on the purpose, the technical scheme adopted by the invention is as follows:
the externally-hung conformal lightning protection cabin comprises a main body and an accessory body, wherein the main body 1 and the accessory body 2 form a conformal structure, the main body part comprises an empty cabin, the empty cabin is arranged in a drag reduction liquid cabin and a functional cabin, drag reduction liquid is loaded in the drag reduction liquid cabin, and a discharge pump is connected with the drag reduction liquid cabin; a power module and a control system are arranged in the functional cabin, and the control system controls the operation of the discharge pump; one surface of the accessory body is fixed on the main body, and the other surface is fixed on the ship body. The empty cabin mainly plays a role in relieving the energy of explosion shock wave; the drag-reducing liquid cabin is mainly loaded with drag-reducing liquid; the functional compartment is mainly provided with functional modules of an electrical system of the lightning protection compartment.
Further, the method comprises the steps of, the accessory body is a folding rubber pad fixed on the edge of the main body through bolts. The accessory of the externally-hung shape-keeping lightning protection cabin is a folding rubber pad fixed on the edge of the main body through bolts, and the main function of the external-hung shape-keeping lightning protection cabin is to ensure that the lightning protection cabin main body is tightly attached to the shape of the ship side hull of the transportation ship, so that the additional resistance of the lightning protection cabin is reduced.
Further, the discharge pump is immersed in the drag reducing liquid, and the discharge port is arranged at an upper portion of the drag reducing liquid tank. The discharge port of the drag reduction liquid is arranged at the upper part of the drag reduction liquid cabin, the drag reduction liquid discharged by the liquid discharge pump just accords with the position of the ship in water during the running of the ship, and the effects of improving the flow and reducing the energy consumption are achieved.
Further, a velocimeter is arranged in the functional cabin, the velocimeter measures the speed of the ship body, and the velocimeter is connected with the control system. The velocimeter mainly measures the ship speed and sends the measured ship speed to the control system.
Further, a sensor is arranged in the functional cabin, and the sensor is connected with the velocimeter and the control system. The current ship speed information is transmitted to the control system through the sensor by the ship speed measured by the velocimeter, and the control system controls the work of the drag reduction liquid discharge pump according to different ship speeds.
Further, the functional cabin and the drag reduction liquid cabin are integrally arranged, and the drag reduction liquid cabin divides the empty cabin into three small empty cabins. The outer frame of function cabin forms a support to the empty storehouse, has increased its intensity, and simultaneously, empty storehouse cladding drag reduction liquid storehouse and function cabin also forms a guard action to it.
Further, the appendage and the hull are connected through bolts. The bolt connection is convenient to detach. When in use, the bolt holes are assembled according to the positions of the bolt holes, and the bolt holes are disassembled according to the sequence of assembling after the bolt holes are used, so that the bolt holes are simple and convenient.
Compared with the prior art, the invention has the following beneficial effects:
(1) The lightning protection cabin effectively absorbs the underwater explosion impact force acting on the ship body by utilizing the deformation energy absorption principle.
(2) The lightning protection cabin adopts an externally hung form, so that the original cabin arrangement of the transport ship is not changed;
(3) Optimizing the overall streamline of the ship and reducing the resistance increment caused by the external hanging cabin;
(4) The external cabin adopts a modularized design, and the inside of the external cabin adopts a compartment design so as to carry functional equipment, and the external cabin is connected with the ship body through bolts, so that the refitting construction is simple and convenient, and the time is saved;
(5) The shape-preserving design is adopted, so that the original gravity center, floating center and stable center changes of the transportation ship are reduced, and the marine performance influence of the ship caused by modification is reduced;
(7) The anti-drag liquid for reducing viscous resistance is loaded in the anti-lightning cabin, and is discharged along with the discharge nozzle by the pump in the sailing process of the transport ship, so that the surface of the ship is wrapped, the resistance of the ship is reduced, and the sailing speed is increased;
(8) The lightning protection cabin head is provided with a velometer, senses the change of the navigational speed and feeds back to the control system to control the discharge speed of the drag reduction liquid.
Drawings
FIG. 1 is a schematic side view of an externally hung conformal lightning protection cabin according to the present invention;
FIG. 2 is a schematic view of the bottom view of the externally hung conformal lightning protection cabin of the invention;
FIG. 3 is a schematic view of the assembled external conformal lightning protection cabin and hull of the present invention;
FIG. 4 is a schematic view of the assembled external conformal lightning protection cabin and hull of the present invention;
FIG. 5 is a block diagram of the functional modules in the functional compartment of the present invention;
FIG. 6 is a schematic diagram of a positive displacement pump of the present invention;
in the figure, the ship comprises a 1-main body, a 11-empty cabin, a 12-drag reduction liquid cabin, a 121-drag reduction liquid discharge port, a 13-functional cabin, a 2-accessory, a 5-externally-hung shape-preserving lightning protection cabin and a 6-ship body.
Detailed Description
The invention is further described below with reference to examples and figures.
Example 1
1-2, an externally-hung shape-preserving lightning protection cabin comprises a main body 1 and an accessory body 2, wherein the main body 1 and the accessory body 2 form a shape-preserving structure, the main body part comprises an empty cabin 11, the empty cabin 11 is mainly used for relieving the action of explosion shock wave energy and is arranged in a drag reduction liquid cabin 12 and a functional cabin 13, the drag reduction liquid cabin 12 is filled with drag reduction liquid, the drag reduction liquid cabin 12 is connected with a discharge pump, the discharge pump is immersed in the drag reduction liquid, a drag reduction liquid discharge port 121 is arranged at the upper part of the drag reduction liquid cabin, and the discharge port is arranged at the upper part as much as possible; a power module, a velocimeter, a sensor and a control system are arranged in the functional cabin 13 as shown in fig. 5, the power module can select a storage battery to provide power for the whole set of device, the speed measuring instrument mainly measures the ship speed, and transmits current ship speed information to the control system through the sensor, and the control system controls the operation of the drag reduction liquid discharge pump according to different ship speeds; the auxiliary body 2 is a folding rubber pad fixed on the edge of the main body through bolts, and has the main functions of ensuring that the lightning protection cabin main body is tightly attached to the shape of the ship side hull of the transport ship, and reducing the additional resistance of the lightning protection cabin.
The whole lightning protection cabin adopts a shape-preserving design, and the shape preservation is to keep the object streamline, reduce the fluid resistance and is only applied to an airplane at present.
Specifically, the functional compartment 13 and the drag reduction liquid compartment 12 are integrally provided, and the drag reduction liquid compartment (12) divides the empty compartment 11 into three small empty compartments.
The appendage 14 is bolted to the hull.
The externally hung shape-preserving lightning protection cabin is used as a shape-preserving externally hung form, and is designed according to the distribution of the wet surface area of the whole ship of the transport ship on the premise that the fluid resistance of the transport ship is not increased or even reduced basically. By reasonably designing the position and the shape of the external hanging, the whole ship is more close to an ideal fluid distribution line. The ship navigation performance is not reduced, the protection capability of the ship is improved, the navigation resistance of the ship is reduced, and the battlefield survivability of the ship and the economic efficiency of battlefield transportation are improved.
The overall design idea of the externally-hung conformal lightning protection cabin is to attenuate the energy generated by the underwater explosion through the plate frame damage and plastic deformation in the lightning protection cabin, and slow down or counteract the damage of the underwater explosion to the side of the transportation ship. The modularized design is convenient to add and modify, is simple to dismantle, and maintains or improves the original navigation performance.
As shown in fig. 3-4, the working principle and the using method of the invention are as follows:
prior to performing military transport tasks, civilian transport vessels were first docked (or up-line) for retrofitting. During refitting, the fixing screw rod is welded on the side outer surface of the transportation ship along the profile of the conformal lightning protection cabin, then the conformal lightning protection cabin is moved to the side fixing screw rod by the lifting device, and after penetrating through the screw hole on the outer edge of the conformal lightning protection cabin, a constructor screws the screw cap, and the position of the screw cap is finely adjusted according to the side profile of the transportation ship, so that the tight fitting of the rubber pad of the lightning protection cabin body and the side is ensured. After war, the toy is just disassembled in the opposite steps. In the sailing process of the transport ship, the actual sailing speed is measured by the velocimeter positioned at the head part of the lightning protection cabin, and the sailing speed information is sent to the control system in the functional cabin of the lightning protection cabin through the sensor, and the control system adjusts the rotating speed of the variable frequency pump according to different sailing speeds, so that the discharge flow of the drag reduction liquid is controlled, and the discharge of the drag reduction liquid is finely managed.
Finally, it should be noted that: the above embodiments are only for illustrating the present invention and not for limiting the technical solution described in the present invention; thus, while the invention has been described in detail with reference to the various embodiments described above, it will be understood by those skilled in the art that the invention may be modified or equivalents; all technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention are intended to be included in the scope of the appended claims.
Claims (5)
1. An externally hung conformal lightning protection cabin is characterized in that: the device comprises a main body (1) and an accessory body (2), wherein the main body (1) and the accessory body (2) form a conformal structure; the main body part comprises an empty cabin (11) and is arranged in a drag reduction liquid cabin (12) and a functional cabin (13), the drag reduction liquid cabin (12) is filled with drag reduction liquid, and the drag reduction liquid cabin (12) is connected with a discharge pump; a power supply module and a control system are arranged in the functional cabin (13), and the control system controls the operation of the discharge pump; one surface of the accessory body (2) is fixed on the main body, and the other surface is fixed on the ship body; the accessory body (2) is a folding rubber pad fixed on the edge of the main body through bolts; the accessory body (2) is connected with the ship body through bolts.
2. The externally hung conformal lightning protection cabin according to claim 1, wherein: the discharge pump is immersed in the drag reducing liquid, and a drag reducing liquid discharge port (121) is arranged at an upper portion of the drag reducing liquid tank.
3. The externally hung conformal lightning protection cabin according to claim 1, wherein: the functional cabin (13) is internally provided with a velocimeter, the velocimeter measures the speed of the ship body, and the velocimeter is connected with the control system.
4. The externally hung conformal lightning protection cabin according to claim 3, wherein: and a sensor is also arranged in the functional cabin (13), and the sensor is in communication connection with the velocimeter and the control system.
5. The externally hung conformal lightning protection cabin according to claim 1, wherein: the functional cabin (13) and the drag reduction liquid cabin (12) are integrally arranged, and the drag reduction liquid cabin (12) divides the empty cabin (11) into three small empty cabins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711324317.0A CN107878717B (en) | 2017-12-13 | 2017-12-13 | Externally hung shape-keeping lightning protection cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711324317.0A CN107878717B (en) | 2017-12-13 | 2017-12-13 | Externally hung shape-keeping lightning protection cabin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107878717A CN107878717A (en) | 2018-04-06 |
| CN107878717B true CN107878717B (en) | 2024-04-02 |
Family
ID=61774201
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711324317.0A Active CN107878717B (en) | 2017-12-13 | 2017-12-13 | Externally hung shape-keeping lightning protection cabin |
Country Status (1)
| Country | Link |
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| CN (1) | CN107878717B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119241B (en) * | 2020-01-17 | 2021-11-23 | 中铁第六勘察设计院集团有限公司 | Immersed tube tunnel underwater blasting end protection device and protection method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190813895A (en) * | 1908-06-30 | 1909-05-20 | Vickers Sons & Maxim Ltd | Improvements in Ships or Vessels. |
| GB191505000A (en) * | 1915-03-31 | 1916-06-30 | Vickers Ltd | Improvements in or relating to Warships and other Sea-going Vessels. |
| GB108524A (en) * | 1916-08-09 | 1917-08-09 | James Dennis Roots | Improvements in or relating to Ships or Vessels especially Vessels of War. |
| GB124088A (en) * | 1918-04-13 | 1919-03-20 | William Henry Humphreys | Improvements in the Construction of Ships. |
| JPS61150698U (en) * | 1985-03-13 | 1986-09-17 | ||
| US8166903B1 (en) * | 2009-06-08 | 2012-05-01 | The United States Of America As Represented By The Secretary Of The Navy | Deadrise-altering adjunct for marine hull bottom |
| CN102806984A (en) * | 2011-02-21 | 2012-12-05 | 刘小勇 | Separation type defensive armor for naval vessel and ship |
| CN103991518A (en) * | 2014-05-07 | 2014-08-20 | 江苏科技大学 | Warship board multilayer anti-detonation protection structure |
| CN207843278U (en) * | 2017-12-13 | 2018-09-11 | 中国人民解放军陆军军事交通学院镇江校区 | The conformal lightning protection cabin of external hanging type |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1020696C2 (en) * | 2002-05-28 | 2003-12-01 | Tno | Device for protecting against underwater shock. |
| CA2809607A1 (en) * | 2012-03-26 | 2013-09-26 | Navistar Defense Engineering, Llc | Removable blast protection |
| US8770086B2 (en) * | 2012-08-31 | 2014-07-08 | International Truck Intellectual Property Company, Llc | Blast protection attachment |
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2017
- 2017-12-13 CN CN201711324317.0A patent/CN107878717B/en active Active
Patent Citations (9)
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|---|---|---|---|---|
| GB190813895A (en) * | 1908-06-30 | 1909-05-20 | Vickers Sons & Maxim Ltd | Improvements in Ships or Vessels. |
| GB191505000A (en) * | 1915-03-31 | 1916-06-30 | Vickers Ltd | Improvements in or relating to Warships and other Sea-going Vessels. |
| GB108524A (en) * | 1916-08-09 | 1917-08-09 | James Dennis Roots | Improvements in or relating to Ships or Vessels especially Vessels of War. |
| GB124088A (en) * | 1918-04-13 | 1919-03-20 | William Henry Humphreys | Improvements in the Construction of Ships. |
| JPS61150698U (en) * | 1985-03-13 | 1986-09-17 | ||
| US8166903B1 (en) * | 2009-06-08 | 2012-05-01 | The United States Of America As Represented By The Secretary Of The Navy | Deadrise-altering adjunct for marine hull bottom |
| CN102806984A (en) * | 2011-02-21 | 2012-12-05 | 刘小勇 | Separation type defensive armor for naval vessel and ship |
| CN103991518A (en) * | 2014-05-07 | 2014-08-20 | 江苏科技大学 | Warship board multilayer anti-detonation protection structure |
| CN207843278U (en) * | 2017-12-13 | 2018-09-11 | 中国人民解放军陆军军事交通学院镇江校区 | The conformal lightning protection cabin of external hanging type |
Non-Patent Citations (1)
| Title |
|---|
| 水面舰艇舷侧防雷舱结构模型抗爆试验研究;朱锡, 张振华, 刘润泉, 朱云翔;爆炸与冲击(02);第134-135页 * |
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| Publication number | Publication date |
|---|---|
| CN107878717A (en) | 2018-04-06 |
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