CN110307760B - Underwater energy-gathering warhead damage effect test system - Google Patents
Underwater energy-gathering warhead damage effect test system Download PDFInfo
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- CN110307760B CN110307760B CN201910447877.8A CN201910447877A CN110307760B CN 110307760 B CN110307760 B CN 110307760B CN 201910447877 A CN201910447877 A CN 201910447877A CN 110307760 B CN110307760 B CN 110307760B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B35/00—Testing or checking of ammunition
Abstract
The invention discloses an underwater energy-gathering warhead damage effect testing system, which constructs a simulation environment of a suspension state when an underwater vehicle works by adjusting a target zero-buoyancy state through a test field hydrological environment, realizes the simulation of the suspension state when the existing underwater vehicle works, enables a target plate to reflect the structural response rule more truly when being loaded, and can completely recover all structures or fragments generated by testing after the testing is finished by arranging a steel wire mesh sieve tray and a laying steel plate according to the target size and the warhead power, thereby providing experimental result support for the subsequent comprehensive and complete warhead damage efficiency analysis and the target damage mechanism analysis.
Description
Technical Field
The invention belongs to the technical field of underwater damage theory analysis, and particularly relates to an underwater energy-gathering warhead damage effect testing system.
Background
The underwater energy-gathering warhead is the most representative main warfare weapon equipment and the most effective anti-potential countermeasure in the anti-potential weapons. The underwater energy-gathering warhead is a payload of a weapon system and is an execution mechanism for destroying a target and finishing a final combat task by the weapon system. The target vulnerability and damage mechanism are the core foundation of damage mode selection and warhead scheme selection, and are also the main basis of the warhead, the engagement of the warfare and the weapon system parameter optimization design. Therefore, the research on the underwater energy-gathering warhead damage effect test method has great significance for the research on the underwater explosion damage effect and the analysis on the underwater explosion data and results.
The underwater energy-gathering warhead comprises two types of blasting type charging structures and energy-gathering type charging structures, and for the blasting type charging structures, the targets are damaged by local tearing, large deformation, structural instability and the like of the targets mainly through shock waves and bubble pulsation effects formed by underwater explosion; for the energy-gathered charging structure, except for the shock wave and the bubble pulsation effect generated by explosion, the target is penetrated mainly by metal jet flow or self-forging fragments formed by explosion, and a through hole is formed on a target shell, so that the structural damage of the target and water inflow in a cabin are directly caused, and the instability of the whole structure can be caused.
The existing method for testing the damage effect of the underwater energy-gathering warhead focuses on the damage effect to a target under the single action of an explosive or energy-gathering explosive structure. The method is characterized in that a land static explosion experimental method is adopted for researching the damage effect of the warhead of the energy-gathered torpedo, the hole diameter of a perforation is only used as the mark quantity of the damage degree, the damage effects such as plastic deformation, bending and even tearing of a target under the underwater explosion effect are ignored, and the damage degree of the target under the combined action of the explosion effect and the energy-gathered effect is estimated to be lower.
Disclosure of Invention
In view of the above, the invention provides a damage effect testing system for an underwater energy-gathering warhead, which is used for constructing a simulated environment of a suspension state when an underwater vehicle works to test the damage effect of the underwater energy-gathering warhead by using a mode of adjusting a target zero-buoyancy state by a hydrological environment of a test field.
The invention provides a damage effect test system for an underwater energy-gathering warhead, which comprises a steel wire mesh sieve tray (1), a distribution steel plate (2), a target (3), a balance weight (4), a hoisting steel cable I (5), a hoisting steel cable III (12), a traveling crane (6), a jet flow speed measurement on-off target (7), an underwater explosion pressure sensor (8) and a test data processing end (9); the test data processing end (9) comprises a signal conditioning instrument, a pulse forming network, a high-frequency data acquisition instrument and an upper computer;
the edge of the steel wire mesh sieve tray (1) is connected with a traveling crane (6) through a hoisting steel cable I (5), and the traveling crane (6) realizes the distribution of the steel wire mesh sieve tray (1) in a test water area;
the laying steel plate (2) is placed on the steel wire mesh sieve tray (1), and the size of the laying steel plate (2) is larger than that of the target (3);
the target (3) is suspended right above the distribution steel plate (2) and is connected with the distribution steel plate (2) through a hoisting steel cable III (12) so as to limit the position of the target (3);
determining the weight of the counterweight (4) according to the gravity and the buoyancy of the target (3), wherein the counterweight (4) is connected below the target (3) through a hoisting steel cable;
the jet flow speed measurement on-off target (7) is attached to a geometric center right above the outer surface of the target (3) and is connected with a pulse formation network in the test data processing end (9) through a cable, the underwater energy gathering warhead is attached to the uppermost end of the jet flow speed measurement on-off target (7), and output data of the pulse formation network is transmitted to the high-frequency data acquisition instrument through the cable;
the underwater explosion pressure sensor (8) is arranged on a horizontal plane with the same depth as the underwater energy-gathering warhead, the horizontal plane is formed by steel wire ropes which are connected with each other between hoisting steel wire ropes I (5), the underwater explosion pressure sensor (8) is placed on the steel wire ropes according to the test requirement and is connected with the signal conditioning instrument through a cable, and the output data of the signal conditioning instrument is transmitted to the high-frequency data acquisition instrument through the cable;
and the upper computer is used for receiving the digital signals output by the high-frequency data acquisition instrument and displaying, recording and post-processing the signals.
Furthermore, the steel wire mesh sieve tray (1) is formed by welding orthogonal steel beam grids and a circular ring, and the diameter of the steel wire mesh sieve tray is determined according to the size of a target and the power of a warhead.
Furthermore, the diameter of the steel wire mesh sieve tray (1) is 2m, and a square hole 304 steel wire mesh with the thickness of 10mm × 10mm is laid on the steel wire mesh sieve tray (1).
Furthermore, a floating barrel (10) is arranged above the target (3), the floating barrel (10) is connected with the target (3) through a hoisting steel cable II (11), and the number of the floating barrels (10) is 2-3.
Furthermore, the jet flow speed measurement target (7) is 3-5 layers.
Furthermore, the counterweight (4) comprises two counterweight blocks with the same gravity and the two counterweight blocks are respectively connected to the two ends of the target (3).
Further, the steel wire mesh sieve tray (1) is circular.
Further, the distribution steel plate (2) is placed on the geometric center of the steel wire mesh sieve tray (1).
Further, the underwater explosion pressure sensors (8) are placed on the steel wire rope in pairs according to the test requirement.
Has the advantages that:
according to the invention, the simulation of the suspension state of the existing underwater vehicle during working is realized by adjusting the zero-buoyancy state of the target according to the hydrological environment of the test field, so that the structural response rule of the target plate is reflected more truly when the target plate is loaded, and meanwhile, all structures or fragments generated by the test can be completely recovered after the test is finished by arranging the steel wire mesh sieve tray and the steel plate according to the size of the target and the power of the warhead, so that the experimental result support is provided for the subsequent comprehensive and complete warhead damage efficiency analysis and target damage mechanism analysis.
Drawings
Fig. 1 is a frame diagram of a damage effect testing system for underwater energy-gathering warhead provided by the invention.
Fig. 2 is a schematic diagram of a damage effect testing system for underwater energy-gathering warhead provided by the invention.
Fig. 3 is a schematic diagram of laying of an underwater explosion pressure sensor speed-measuring break-make target in the underwater energy-gathering warhead damage effect testing system provided by the invention.
The method comprises the following steps of 1-steel wire mesh sieve tray, 2-steel plate arrangement, 3-target, 4-balance weight, 5-hoisting steel cable I, 6-line crane, 7-jet velocity measurement on-off target, 8-underwater explosion pressure sensor, 9-test data processing end, 10-floating barrel, 11-hoisting steel cable II and 12-hoisting steel cable III.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The invention provides a damage effect test system for an underwater energy-gathering warhead, which has the basic idea that: by constructing a test system similar to the actual operation environment, the damage power of the underwater energy-gathering warhead and the response result of the target are measured, so that a foundation is laid for accurately evaluating the damage effect of the underwater energy-gathering warhead.
The invention provides a damage effect test system for an underwater energy-gathering warhead, which is shown in figure 2 and comprises a steel wire mesh sieve tray 1, a distribution steel plate 2, a target 3, a balance weight 4, a hoisting steel cable 5, a hoisting steel cable 12, a traveling crane 6, a jet flow speed measurement on-off target 7, an underwater explosion pressure sensor 8 and a test data processing end 9; the test data processing end 9, as shown in fig. 1, includes a signal conditioner, a pulse forming network, a high-frequency data acquisition instrument, and an upper computer.
The steel wire mesh sieve tray 1 is circular, the edge of the steel wire mesh sieve tray is connected with a traveling crane 6 through four hoisting steel cables 5, and the traveling crane 6 is used for distributing the steel wire mesh sieve tray 1 in a test water area; the steel plate 2 is placed on the steel wire mesh sieve tray 1, preferably on the geometric center of the steel wire mesh sieve tray 1, and the size of the steel plate 2 is larger than that of the target 3; the target 3 is suspended right above the distribution steel plate 2 and is connected with the distribution steel plate 2 through a hoisting steel cable 12 so as to limit the position of the target 3; determining the weight of a counterweight 4 according to the gravity and buoyancy of the target 3, wherein the counterweight 4 is connected below the target 3 through a hoisting steel cable; the jet flow speed measurement on-off target 7 is attached to a geometric center right above the outer surface of the target 3, the jet flow speed measurement on-off target is in network connection with pulses in the test data processing end 9 through a cable, and the underwater energy gathering warhead is attached to the uppermost end of the jet flow speed measurement on-off target 7; the underwater explosion pressure sensors 8 are arranged on a horizontal plane with the same depth as the underwater energy gathering warhead, the horizontal plane is formed by the steel wire ropes which are connected with each other among the four hoisting steel wire ropes 5, and the underwater explosion pressure sensors 8 are placed on the cables in pairs according to the test requirement and are connected with the signal conditioning instrument through the cables. The above cable may be a radio frequency coaxial cable.
The diameter of the wire mesh sieve tray 1 is determined according to the target size and the force of a warhead, target fragments generated under the action of energy-gathering jet flow and blasting usually and residual bodies of the energy-gathering jet flow after perforation are attenuated extremely fast underwater movement speed, so that the wire mesh sieve tray 1 with the diameter of 2m is enough to receive nearly all structural fragments generated by explosion, the wire mesh sieve tray 1 is formed by welding orthogonal steel beam grids with the grid size of 500mm × 500mm and 500mm with circular rings, and a square-hole 304 wire mesh with the diameter of × 10mm is laid on the sieve tray according to the generated energy-gathering jet flow with the diameter of 22 mm.
The jet flow speed measurement target 7 determines the number of layers to be arranged according to actual conditions, is generally divided into 3-5 layers and is used for sequentially recording the jet flow speed gradient when the jet flow passes through the jet flow speed measurement target 7. The counterweight 4 may comprise two counterweights of equal gravity and, in order to maintain balance, are attached at each end of the target 3.
The underwater explosion pressure sensors 8 can comprise two groups, data between two sensors in each group can be mutually verified, for example, one group of sensors is placed at a position 7 times of the radius of the charge from the underwater energy-gathering warhead, the other group of sensors is placed at a position 10 times of the radius of the charge from the underwater energy-gathering warhead, and the two groups of sensors are both arranged on a plane with the depth equal to that of the underwater energy-gathering warhead.
The signal conditioning instrument is connected with the underwater explosion pressure sensor 8 through a cable, and is used for modulating an electric signal input by the underwater explosion pressure sensor 8 and transmitting the modulated signal to the high-frequency data acquisition instrument through the cable; the pulse forming network is connected with the jet flow speed measuring on-off target 7 through a cable and is used for processing an electric signal input by the jet flow speed measuring on-off target 7 to finally form a sudden intermittent electric signal and transmitting the formed sudden intermittent electric signal to the high-frequency data acquisition instrument through the cable; the high-frequency data acquisition instrument is used for acquiring electric signals output by the signal conditioning instrument and the pulse forming network, converting the electric signals into digital signals and transmitting the digital signals to the upper computer through a kilomega network cable; the upper computer is used for receiving the digital signals in the high-frequency data acquisition instrument, displaying and recording the digital signals and calculation results, and then calculating the digital signals to obtain the damage effect of the underwater energy-gathering warhead.
The deployment process of the underwater energy-gathering warhead damage effect test system is as follows: firstly, marking the laying depth on hoisting steel cables 5, connecting the marked parts of the four hoisting steel cables 5 by using the steel cables, then fixedly placing an underwater explosion pressure sensor 8 on the steel cables, then laying a target 3 on a laying steel plate 2, and finally laying a steel wire mesh sieve tray 1 in a test water area by using a traveling crane 6.
In addition, in order to overcome the sinking problem of the target 3 and the counter weight 4 caused by buoyancy calculation errors in an actual test water area, a floating barrel 10 is arranged above the target 3, the floating barrel 10 is connected with the target 3 through a hoisting steel cable 11, the number of the floating barrels 10 is 2-3, hoisting steel rings are fixed on the barrel wall, air is arranged in the floating barrel, and the buoyancy provided by the floating barrel 10 is larger than the buoyancy errors of the target 3 and the counter weight 4 in a real hydrological environment, so that the target is ensured to be suspended at a position required by a test.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. 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 (9)
1. The system for testing the damage effect of the underwater energy-gathering warhead is characterized by comprising a steel wire mesh sieve tray (1), a distribution steel plate (2), a target (3), a balance weight (4), a hoisting steel cable I (5), a hoisting steel cable III (12), a traveling crane (6), a jet flow speed measurement on-off target (7), an underwater explosion pressure sensor (8) and a test data processing end (9); the test data processing end (9) comprises a signal conditioning instrument, a pulse forming network, a high-frequency data acquisition instrument and an upper computer;
the edge of the steel wire mesh sieve tray (1) is connected with a traveling crane (6) through a hoisting steel cable I (5), and the traveling crane (6) realizes the distribution of the steel wire mesh sieve tray (1) in a test water area;
the laying steel plate (2) is placed on the steel wire mesh sieve tray (1), and the size of the laying steel plate (2) is larger than that of the target (3);
the target (3) is suspended right above the distribution steel plate (2) and is connected with the distribution steel plate (2) through a hoisting steel cable III (12) so as to limit the position of the target (3);
determining the weight of the counterweight (4) according to the gravity and the buoyancy of the target (3), wherein the counterweight (4) is connected below the target (3) through a hoisting steel cable;
the jet flow speed measurement on-off target (7) is attached to a geometric center right above the outer surface of the target (3) and is connected with a pulse formation network in the test data processing end (9) through a cable, the underwater energy gathering warhead is attached to the uppermost end of the jet flow speed measurement on-off target (7), and output data of the pulse formation network is transmitted to the high-frequency data acquisition instrument through the cable;
the underwater explosion pressure sensor (8) is arranged on a horizontal plane with the same depth as the underwater energy-gathering warhead, the horizontal plane is formed by steel wire ropes which are connected with each other between hoisting steel wire ropes I (5), the underwater explosion pressure sensor (8) is placed on the steel wire ropes according to the test requirement and is connected with the signal conditioning instrument through a cable, and the output data of the signal conditioning instrument is transmitted to the high-frequency data acquisition instrument through the cable;
and the upper computer is used for receiving the digital signals output by the high-frequency data acquisition instrument and displaying, recording and post-processing the signals.
2. The system according to claim 1, characterized in that the wire mesh tray (1) is made by welding orthogonal steel beam meshes and rings, the diameter of which is determined according to the target size and warhead power.
3. A system according to claim 2, characterized in that the wire mesh tray (1) has a diameter of 2m, and that a square hole 304 wire mesh of 10mm × 10mm is laid on the wire mesh tray (1).
4. The system according to claim 1, characterized in that a floating barrel (10) is arranged above the target (3), the floating barrel (10) is connected with the target (3) through a hoisting steel cable II (11), and the number of the floating barrels (10) is 2-3.
5. The system according to claim 1, characterized in that the jet velocimetry on-off target (7) is 3-5 layers.
6. The system according to claim 1, characterized in that the counterweight (4) comprises two counterweights of equal gravity, respectively connected at both ends of the target (3).
7. A system according to claim 1, characterized in that the wire mesh tray (1) is circular.
8. The system according to claim 1, characterized in that the laying steel plate (2) is placed above the geometric center of the wire mesh tray (1).
9. The system according to claim 1, characterized in that the underwater explosion pressure sensors (8) are placed in pairs above the steel wire rope according to the test requirements.
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| CN201910447877.8A CN110307760B (en) | 2019-05-27 | 2019-05-27 | Underwater energy-gathering warhead damage effect test system |
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| KR20230057554A (en) * | 2021-10-22 | 2023-05-02 | 주식회사 풍산 | The apparatus of fragment collecting test and the fragment collecting test method using the same |
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| CN111983179A (en) * | 2020-08-24 | 2020-11-24 | 大连理工大学 | Energy-gathered explosive-charging underwater explosion experimental device |
| CN112027018A (en) * | 2020-08-30 | 2020-12-04 | 哈尔滨工程大学 | Large-scale target model experimental apparatus of nuclear explosion under water |
| CN112464464B (en) * | 2020-11-23 | 2024-02-06 | 沈阳理工大学 | Method for evaluating damage capability of anti-diving warhead to submarine hull structure |
| CN114778059B (en) * | 2022-06-22 | 2022-09-13 | 中国飞机强度研究所 | Fragment and shock wave coupling shock test system and method for airplane vulnerability test |
| CN115289920B (en) * | 2022-08-15 | 2023-10-03 | 北京理工大学 | Active composite shaped charge liner shaped charge damage effect testing device and method |
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| US8850885B1 (en) * | 2012-12-14 | 2014-10-07 | The United States Of America As Represented By The Secretary Of The Army | Water air-bubble fragment recovery test apparatus |
| CN103177191B (en) * | 2013-04-11 | 2015-10-28 | 北京理工大学 | A kind of warhead damage performance evaluation method |
| CN104034468B (en) * | 2014-04-23 | 2016-03-02 | 西安近代化学研究所 | A kind of explosive water shooting near field shock wave pressure measuring method |
| CN203894221U (en) * | 2014-06-11 | 2014-10-22 | 安徽理工大学 | Device for testing underwater explosion energy of explosive |
| CN105486525B (en) * | 2015-11-27 | 2017-10-31 | 中国水利水电科学研究院 | A kind of model test apparatus for carrying out underwater explosion research on centrifugation machine platform |
| CN105606267B (en) * | 2015-12-31 | 2018-06-12 | 中国船舶重工集团公司第七○二研究所 | The measuring device and method of explosive underwater explosion power |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20230057554A (en) * | 2021-10-22 | 2023-05-02 | 주식회사 풍산 | The apparatus of fragment collecting test and the fragment collecting test method using the same |
| KR102612307B1 (en) | 2021-10-22 | 2023-12-11 | 주식회사 풍산 | The apparatus of fragment collecting test and the fragment collecting test method using the same |
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