CN112197929B - Device and method for carrying out underwater explosion test on land - Google Patents
Device and method for carrying out underwater explosion test on land Download PDFInfo
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- CN112197929B CN112197929B CN202011072692.2A CN202011072692A CN112197929B CN 112197929 B CN112197929 B CN 112197929B CN 202011072692 A CN202011072692 A CN 202011072692A CN 112197929 B CN112197929 B CN 112197929B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
Abstract
The invention belongs to the technical field of underwater explosion tests, and particularly relates to a device and a method for carrying out an underwater explosion test on land. The invention provides a device and a method for carrying out underwater explosion test on land, aiming at overcoming the defects of the existing test method. The underwater explosion test of the ship structure is simulated on land, so that a large amount of financial resources, material resources and manpower are saved, the boundary condition setting of the underwater explosion test of the structure is met, the operability of the test is high, and the underwater explosion test has high popularization value and practical value. The invention replaces the traditional ship structure underwater explosion damage test, transfers the traditional underwater test to the land for carrying out, carries out the test on the land under the condition of equal working conditions, leads the test boundary condition to be more controllable, leads the test process to be clearer, has simple and convenient test, and provides a universal test method for carrying out a plurality of groups of tests by changing test samples.
Description
Technical Field
The invention belongs to the technical field of underwater explosion tests, and particularly relates to a device and a method for carrying out an underwater explosion test on land.
Background
With the development of marine science and the progress of national defense technology, the impact resistance and the structural damage effect of the underwater explosion load structure of the ship structure are more and more emphasized by the research of marine engineering of various countries, so that the actual damage effect of the ship structure subjected to the underwater explosion impact can be most reflected by the underwater real ship explosion from the actual sea warfare of various countries. For example, a great deal of research on underwater explosion of real ships has been conducted in the united states and japan, and a large-scale research on a very systematic basis has also been conducted, and the antiknock and impact resistance of ships, ship structures and the like are also the top of the world.
However, the underwater explosion test of the real ship provides a lot of challenges for the financial resources of the country, and the underwater explosion of one group of real ships has great consumption for the manpower, material resources and financial resources of the country, so that how to avoid the underwater explosion test of a plurality of groups of real ships and correspondingly fully research the underwater explosion structure of the ship structure becomes the main direction for the research of domestic and foreign scholars.
The traditional ship structure underwater explosion tests are all scale tests, the boundary conditions of the local part of the structure are set and the part is hoisted under water to carry out the explosion tests, the method has the defects of large defects, poor simulation accuracy, incapability of accurately and precisely controlling the boundary conditions of the test sample structure and much consumption in the tests.
Disclosure of Invention
The invention aims to provide a device for carrying out an underwater explosion test on land.
The purpose of the invention is realized by the following technical scheme: the test device comprises an explosive, an external water tank, a target test piece, a long drawer tool, a short drawer tool and a bottom fixing tool; the base fixing tool is fixed on the ground, and the structural size of the base fixing tool can be determined according to the function and boundary conditions of a target test piece, so that the boundary conditions of a structural body receiving explosion impact underwater are completely simulated; the target test piece is fixed on the base fixing tool and can be adjusted along with different test requirement working conditions, and a fixed boundary extends around the target test piece to be used for fixing and installing other tool pieces so as to meet the accuracy of boundary conditions of the test piece under the explosive impact environment; the long and short drawer tools are arranged in the middle of a multilayer structure of a target test piece and used as a supporting structure, and can be limited according to the boundary fixing condition and the supporting mode of the target test piece; the external water tank is fixedly arranged above the target test piece, a sealing gasket is arranged between the external water tank and the target test piece, the sealing performance of the whole structure can be ensured under the condition that the water tank is full of water, and meanwhile, the external water tank is also provided with a fixed supporting device and a drain hole, so that the water in the water tank can be quickly drained after the test is finished; the explosive is placed at a target position in the external water receiving tank.
The invention also aims to provide a method for carrying out the underwater explosion test on land.
The purpose of the invention is realized by the following technical scheme: the method comprises the following steps:
step 1: placing the base fixing tool on the ground of a test site, and fixing the base fixing tool with a ground expansion bolt through a through hole in the base fixing tool;
step 2: preparing a target test piece according to test requirements, and extending a fixed boundary around the target test piece for fixing and installing other tooling parts so as to meet the accuracy of boundary conditions of the test piece in an explosion impact environment;
and step 3: placing a target test piece on a base fixing tool, adding a long drawer tool and a short drawer tool at the interlayer of the target test piece, connecting and fixing the base fixing tool, the lower surface of the target test piece and the long and short drawer tools through holes and bolts, placing a sealing gasket on the upper surface of the target test piece, installing an external water tank on the sealing gasket, connecting and fixing the upper surface of the target test piece and the sealing gasket and the external water tank through the through holes and bolts, injecting water with required depth into the external water tank, and placing explosives at a target position;
and 4, step 4: an underwater explosion test was performed.
The invention has the beneficial effects that:
the invention provides a device and a method for carrying out underwater explosion test on land, aiming at overcoming the defects of the existing test method. The underwater explosion test of the ship structure is simulated on land, so that a large amount of financial resources, material resources and manpower are saved, the boundary condition setting of the underwater explosion test of the structure is met, the operability of the test is high, and the underwater explosion test has high popularization value and practical value. The invention replaces the traditional ship structure underwater explosion damage test, transfers the traditional underwater test to the land for carrying out, carries out the test on the land under the condition of equal working conditions, leads the test boundary condition to be more controllable, leads the test process to be clearer, has simple and convenient test, and provides a universal test method for carrying out a plurality of groups of tests by changing test samples.
Drawings
Fig. 1 is an overall schematic view of the present invention.
Fig. 2 is a schematic view of the base fixing tool of the present invention.
Fig. 3 is a schematic view of the long and short drawer tool of the invention.
FIG. 4 is a schematic view of the external water tank tool of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The invention relates to a device and a method for carrying out underwater explosion test on land, which comprises an explosive, an external water tank, a target test piece, a long drawer tool, a short drawer tool and a bottom fixing tool. The special operation is that the base fixing tool is fixed on the ground, a target test piece is placed at a corresponding position, the long drawer tool and the short drawer tool are installed and fixed through bolts, the sealing gasket is arranged on the upper end face of the test sample piece, the external water tank tool is installed above the external water tank tool and fixed through bolts, the waterproof sealing effect is achieved, and the explosive is placed at the target position. The novel test method is low in cost, strong in test operability, especially clearer in control of boundary conditions, and can add water with different depths according to different target environment working conditions, so that a multi-group comparison mechanism test can be carried out, and a novel land test method is provided for fully researching underwater explosion structure damage research.
The invention provides a device and a method for carrying out underwater explosion test on land, aiming at overcoming the defects of the existing test method. The underwater explosion test of the ship structure is simulated on land, so that a large amount of financial resources, material resources and manpower are saved, the boundary condition setting of the underwater explosion test of the structure is met, the operability of the test is high, and the underwater explosion test has high popularization value and practical value. The invention replaces the traditional ship structure underwater explosion damage test, transfers the traditional underwater test to the land for carrying out, carries out the test on the land under the condition of equal working conditions, leads the test boundary condition to be more controllable, leads the test process to be clearer, has simple and convenient test, and provides a universal test method for carrying out a plurality of groups of tests by changing test samples.
The device for underwater explosion test on land includes explosive, external water tank, target test piece, long and short drawer tools and bottom fixing tool. The device is particularly operated by fixing a base fixing tool on the ground, placing a target test piece at a corresponding position, installing long and short drawer tools and fixing by bolts, adding a sealing gasket on the upper end surface of the test sample piece, installing an external water tank tool above the test sample piece, fixing by bolts and playing a waterproof sealing role, and placing explosives at the target position.
The base fixing tool is placed on the ground of a test site and is fixed with the ground expansion bolt through a through hole in the base fixing tool; the target test piece is placed on the base fixing tool, a long drawer tool and a short drawer tool are added at the interlayer of the target test piece, the base fixing tool, the lower surface of the target test piece and the long and short drawer tools are fixed through hole bolt connection, a sealing pad is placed on the upper surface of the target test piece, an external water tank is installed on the sealing pad, the upper surface of the target test piece and the sealing pad are fixed through the through hole bolt connection with the external water tank, water with required depth is injected into the external water tank, and explosives are placed.
The base fixing tool is used for fixing the ground and the integral assembly structure and fixing the test sample piece, the structural size of the base fixing tool can be determined according to the function and the boundary condition of a target test piece, the aim is to completely simulate the boundary condition that the structure receives explosion impact underwater, and the base fixing tool has multiple groups of structural supports.
The target test piece is specifically analyzed for specific working conditions, and can be adjusted along with different working conditions of test requirements, wherein in order to meet the accuracy of boundary conditions of the test piece under the explosive impact environment, fixed boundaries extend around the test piece to be used for fixing and installing other tool parts.
The long and short drawer tool has the functions of being installed in the middle of a multilayer structure of a target test piece and serving as a supporting structure, a layer of fixed boundary condition is added, the boundary condition can be limited according to the boundary condition of the test target piece, the boundary of different target test pieces is fixed and the supporting mode is different, the long and short drawer tool needs to be replaced, the long and short drawer tool is connected with the target test piece through bolts, the number of connecting points is large, convenience and reliability are realized, and the long and short drawer tool is convenient to detach and replace.
The external water tank is fixedly arranged above the test sample piece, a sealing gasket is arranged between the water tank and the test sample piece, the sealing performance of the whole structure under the condition that the water tank is filled with water can be guaranteed, and meanwhile, the water tank is also provided with a fixing and supporting device and a drain hole, so that the water in the water tank can be drained quickly after the test is finished, and the test sample piece is convenient to disassemble and replace.
The invention has the characteristics and beneficial effects that:
a device and a method for carrying out underwater explosion tests on land can avoid a large amount of financial resources, material resources and manpower consumed by the traditional underwater structure explosion damage tests, and the underwater tests are transferred to the land for testing by using an innovative test method. A plurality of explosion tests can be carried out on the land, the types and conditions of the tests are enriched, and quick and convenient test conditions and methods are provided for researching the explosion damage mechanism of the ship structure.
Referring to fig. 1-4, fig. 1 is an overall view of the present invention, fig. 2 is a view illustrating a base fixing tool of the present invention, fig. 3 is a view illustrating a long and short drawer tool of the present invention, and fig. 4 is a view illustrating an external water tank tool of the present invention. The base fixing tool 1 is placed on the ground of a test site and is fixed with a ground expansion bolt through a through hole in the base fixing tool 1; target test spare 4 is placed on base fixed tooling 1, add long drawer frock 2 and short drawer frock 3 in 4 intermediate layer departments of target test spare, it is fixed through-hole bolted connection with base fixed tooling 1 and 4 lower surfaces of target test spare and length drawer frock, place sealed pad 5 at 4 upper surfaces of target test spare, install external water tank 6 on sealed pad 5, it is fixed with sealed pad 5 and external water tank 6 bolted connection of target test spare 4 upper surface and sealed pad through the through-hole, inject the water of required degree of depth in external water tank 6, place explosive 7, can carry out explosion test after the completion.
Referring to fig. 2, fig. 2 is a schematic view of a base fixing tool of the present invention, the size of which can be adjusted according to the size and specification of the target test piece 4 and the required boundary conditions.
Referring to fig. 3, fig. 3 is a schematic view of a long and short drawer tool of the present invention, which is used for reinforcement and boundary condition support under the condition of a multi-layer structure of a target test piece 4, and is provided with a preformed hole for arranging sensor routing and the like.
Referring to fig. 4, fig. 4 is a schematic view of the external water tank tooling of the present invention, which is used for simulating the explosive load action of the target test piece 4 at different depths, and different sizes and support structures of the external water tank 6 can be changed according to different requirements of working conditions.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A device for carrying out underwater explosion test on land is characterized by comprising an explosive, an external water tank, a target test piece, a long drawer tool, a short drawer tool and a bottom fixing tool; the bottom fixing tool is fixed on the ground, and the structural size of the bottom fixing tool can be determined according to the function and boundary conditions of a target test piece, so that the boundary conditions of a structural body which receives explosion impact underwater are completely simulated; the target test piece is fixed on the bottom fixing tool and can be adjusted along with different test requirement working conditions, and a fixed boundary extends around the target test piece to be used for fixing and installing other tool pieces so as to meet the accuracy of boundary conditions of the test piece under the environment of explosion impact; the long and short drawer tools are arranged in the middle of a multilayer structure of a target test piece and used as a supporting structure, and can be limited according to the boundary fixing condition and the supporting mode of the target test piece; the external water tank is fixedly arranged above the target test piece, a sealing gasket is arranged between the external water tank and the target test piece, the sealing performance of the whole structure can be ensured under the condition that the water tank is full of water, and meanwhile, the external water tank is also provided with a fixed supporting device and a drain hole, so that the water in the water tank can be quickly drained after the test is finished; the explosive is placed at a target position in the external water receiving tank.
2. A method of conducting underwater explosion tests on land using the apparatus of claim 1, comprising the steps of:
step 1: placing the bottom fixing tool on the ground of a test site, and fixing the bottom fixing tool with a ground expansion bolt through a through hole in the bottom fixing tool;
step 2: preparing a target test piece according to test requirements, and extending a fixed boundary around the target test piece for fixing and installing other tooling parts so as to meet the accuracy of boundary conditions of the test piece in an explosion impact environment;
and step 3: placing a target test piece on a bottom fixing tool, adding a long drawer tool and a short drawer tool at the interlayer of the target test piece, connecting and fixing the bottom fixing tool, the lower surface of the target test piece and the long and short drawer tools through holes and bolts, placing a sealing gasket on the upper surface of the target test piece, installing an external water tank on the sealing gasket, connecting and fixing the upper surface of the target test piece and the sealing gasket and the external water tank through the through holes and bolts, injecting water with required depth into the external water tank, and placing explosives at a target position;
and 4, step 4: an underwater explosion test was performed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011072692.2A CN112197929B (en) | 2020-10-09 | 2020-10-09 | Device and method for carrying out underwater explosion test on land |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011072692.2A CN112197929B (en) | 2020-10-09 | 2020-10-09 | Device and method for carrying out underwater explosion test on land |
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| CN112197929A CN112197929A (en) | 2021-01-08 |
| CN112197929B true CN112197929B (en) | 2021-05-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113483980B (en) * | 2021-06-16 | 2022-12-09 | 哈尔滨工程大学 | A accurate cloth medicine device for explosion test under water |
| CN113899514B (en) * | 2021-09-24 | 2022-07-08 | 哈尔滨工程大学 | Device for simulating underwater contact explosion boundary conditions of ship back-to-air structure |
| CN115112332B (en) * | 2022-05-25 | 2023-04-21 | 哈尔滨工程大学 | Multifunctional explosion test pool and test method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004189144A (en) * | 2002-12-12 | 2004-07-08 | Tekutomu:Kk | Vehicle information display device |
| CN103674467A (en) * | 2013-12-17 | 2014-03-26 | 哈尔滨工程大学 | Ship structure impact experiment boundary condition simulation device |
| CN105136421A (en) * | 2015-09-30 | 2015-12-09 | 中国人民解放军理工大学 | Testing apparatus of dynamic response of filler wall under combustible gas explosion |
| CN105717162A (en) * | 2016-04-19 | 2016-06-29 | 武汉科技大学 | Device facilitating sorted collection of explosion test fragments |
| CN108120816A (en) * | 2017-11-27 | 2018-06-05 | 北京理工大学 | A kind of simulation Underwater Explosion test explosive strength test method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2013190973A1 (en) * | 2012-06-20 | 2016-05-26 | 日本電気株式会社 | Structure state determination apparatus and structure state determination method |
-
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- 2020-10-09 CN CN202011072692.2A patent/CN112197929B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004189144A (en) * | 2002-12-12 | 2004-07-08 | Tekutomu:Kk | Vehicle information display device |
| CN103674467A (en) * | 2013-12-17 | 2014-03-26 | 哈尔滨工程大学 | Ship structure impact experiment boundary condition simulation device |
| CN105136421A (en) * | 2015-09-30 | 2015-12-09 | 中国人民解放军理工大学 | Testing apparatus of dynamic response of filler wall under combustible gas explosion |
| CN105717162A (en) * | 2016-04-19 | 2016-06-29 | 武汉科技大学 | Device facilitating sorted collection of explosion test fragments |
| CN108120816A (en) * | 2017-11-27 | 2018-06-05 | 北京理工大学 | A kind of simulation Underwater Explosion test explosive strength test method |
Non-Patent Citations (1)
| Title |
|---|
| 水下爆炸与舰船毁伤研究进展;张阿漫等;《中国舰船研究》;20190630;1-13 * |
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