CN102226672A - Overload test guard box of air bomb - Google Patents
Overload test guard box of air bomb Download PDFInfo
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- CN102226672A CN102226672A CN 201110102330 CN201110102330A CN102226672A CN 102226672 A CN102226672 A CN 102226672A CN 201110102330 CN201110102330 CN 201110102330 CN 201110102330 A CN201110102330 A CN 201110102330A CN 102226672 A CN102226672 A CN 102226672A
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Abstract
The invention relates to an overload detecting device of a bomb, and in particular relates to an overload test guard box of an air bomb. The overload test guard box provided by the invention solves the technical problems that the target box of an air bomb penetration test device is inconvenient to operate and use and the like. The overload test guard box provided by the invention comprises a base, a box body at the upper part and a guide rail arranged on the base, wherein a box body cover plate is arranged at the upper part of the box body; the box body comprises the front box body, the middle box body and the back box body; a muzzle guard plate and a bomb carrier baffle are sequentially arranged in the front box body; a speed measuring hole is formed at one side of the front box body; a slot which is installed with a target plate is formed in the middle box body; a recycle barrel is arranged in the back box body; a positioning clamp slot and a roller are arranged at the lower part of the box body; a limit mechanism is arranged at the tail end of the base; and the limit mechanism is connected with the back box body. The design scheme provided by the invention has the characteristics that the overload guard box is strict, feasible and convenient and can be used for air bombs with different volumes, and has the advantages of good practical value, reliability in operability and accurate experimental result.
Description
Technical field
The present invention relates to a kind of ammunition overload detector, be specially a kind of gas big gun overload test protective housing.
Background technology
Nearly twenty or thirty is over year, development along with Long-range precision strike, guidance and counter waveguide technology, various high strength, multi-form integrated protection and critical goals have appearred, as bridge, airfield runway, hangar, armored vehicle, aircraft carrier be hidden in hard goal systems such as underground weapons of mass desturction, long-range missile, Modern Aerial Defense, control, communication and senior command system.These targets have been impelled the birth of some intelligent penetration ammunitions.When weapon is injured these land burials, hard goal at penetration, must suffer to load at a high speed, clashing and high overload adverse circumstances such as impulsive force in the hard goal penetration process, armament systems will be survived and reach under this environment the mortality of target is injured, safety and performance demands to each parts of weapon have just been proposed, be land burial, hard goal penetration body and the necessary anti-high overload of energetic material in the armament systems, propose this notion of the ammunition of anti-the high overload thus, and become the emphasis and the direction of various countries' ammunition development.
Developing rapidly of the ammunition of anti-the high overload drives also constantly research and development of multiple warhead activation, propagation of explosion mode and new use for explosive powder charge.Yet China's detection technique is corresponding relatively backward at present, and the scientific research of firer's technology, production product detect majority and still continue to use old technology.Some instrument, equipment, facility are incomplete or not exclusively supporting.And, cause some project to fail to carry out for also being in blank at required detection test method and assessment indicator systems of firer's medicament such as high-fire resistance, anti-high overload ability, high security, high mechanical properties, had a strong impact on the paces that the weapon technology is advanced.So, must accelerate development the anti-high overload Performance Detection new technology of armament systems blasts parts, set up the needs that corresponding experimental rig could satisfy Modern High-Tech's armament systems development.
To be used for studying the common method of the dynamic characteristics of ammunition under the high overload condition at present be the Hopkinson depression bar, drop hammer or fly methods such as plate bump.These methods have certain limitation to the research of dynamic characteristics.Especially can not low amplitude value, the long dynamic load environment that last of real simulation explosive in the penetration process.
Another kind of technology is exactly to adopt the charger of air bubble as ammunition.France University of Padova, the artificial approximately constant that keeps bullet bottom pressure using such as D. Pavarin, the research to energy matching relationship between the pump line of two-stage light gas gun and gun tube has realized the optimal design to the gas big gun.The Frank K. Schafer of Germany Ernst-Mach-Institut analyzes cannonball high-speed impact book type target and has set up the impact grinding model.People such as Norway B rvik adopt diameter 20mm, the taper steel body of long 98mm to thickness be respectively 15,20,25,30mm runs through the AA5083-H116 target plate and carried out invading and pass through test.The initial velocity and the residual velocity of all tests have been measured.Also adopt three kinds of difform bullets (blunt, hemispherical and taper) to carry out the experiment of gas big gun, penetrate the Weldox 460E steel plate of 12 millimeters thick.According to experimental result, make up and compared the residual velocity curve.The result shows, warhead form affects the Failure Mode of energy absorbing mechanism and target in the process of penetrating greatly.In addition, the residual velocity curve has been subjected to the influence of warhead form.The Yoshinori Isomoto Oka of the Hiroshima University of Japan uses one-level gas big gun and two-stage light gas gun to make bullet with different speed bump aluminium, mild steel, titanium matter target plate, result of the test is analyzed, and has set forth the reason that target plate is injured the degree size.
In China, dynamic high pressure devices such as large-scale gas big gun and explosive detonation are mainly built China Engineering Physics Research Institute in, and its purport is to be the service of weapon physical study.As nineteen eighty-two, Xibei Nuclear Techn Inst has finished the single stage compress gas big gun development of 57mm bore, maximum bullet speed 1400m/s, and the non-gunpowder of having developed bore 130mm single stage compress gas big gun and 10mm bore the nineties drives the maximum bullet speed of secondary gas big gun 7000m/s.China have many colleges and universities as: Chinese University of Science and Technology, Harbin Institute of Technology, the National University of Defense technology, Beijing Institute of Technology, Institutes Of Technology Of Nanjing have gas big gun shock dynamics testing equipment.Mainly be the low-cost lift-off technology that utilizes the gas big gun, carry out the impact test of object, the research of research collision mechanism, crash acceleration and terminal ballistics is as armour-piercing experiment, space flight collision, fuse collision research etc.The artillery simulators that Institutes Of Technology Of Nanjing has developed a kind of 57mm of employing bore carry out dynamic the target simulation test technology of fuse and priming system, the loading of bullet and the motion state of parts are measured by missile-borne acceleration transducer and displacement transducer, this method has reflected the state of priming system more truly, the about 70000G of target impact acceleration value, target speed greater than 300m/s.
Sum up the air bubble penetration test device that uses both at home and abroad, we find that the protector of supporting with it parts such as bullet impact target plate mostly is the drum type protective housing, mostly this class device is to be fixed in pedestal, target plate needs to install from casing front end or rear end, operating difficulties, use inconvenience, purposes single, in being unfavorable for, the impact test of large scale target body.
Summary of the invention
The present invention manipulates technical problem such as inconvenience and a kind of gas big gun overload test protective housing is provided for what the target case that solves existing air bubble penetration test device existed.
The present invention is realized by following technical scheme, and a kind of gas big gun overload test protective housing comprises the casing of base, top, and base is provided with guide rail; The casing top is a box cover, described casing is connected to form by preceding casing, middle casing, rear box, be provided with gun muzzle backplate, bullet holder baffle plate successively in the preceding casing, preceding casing one side also is provided with and is provided with the slot that target plate is installed in the hole of testing the speed, the middle casing, is provided with recycling bin in the rear box; Casing has locating groove and roller, and the end of base is provided with limiting mechanism, and limiting mechanism is connected with rear box.
Compare with existing simple structure device, overload test protective housing device adopts three wheeled protective housings to be formed by connecting by bolt, can be according to different required distance running fix protection cabinets, according to different overload environmental requirements different metal target plate or concrete target plate are installed, thereby can measure at the mechanical characteristic of different penetration overload condition and overload stability, the reliability of explosive explosive loading, this is that other existing experimental rig can not be accomplished.The case lid of three protection cabinets is that last open type can be extracted four pins out case lid is taken away, and also can only extract two pins of a side out and open case lid so that parts such as target plate, recycling bin to be installed around the opposite side lock pin, plugs pin locking after closing.Whole device is easy and simple to handle, has very strong security, reliability, multifunctionality.
Comprehensive, the overload test protective housing described in the technical solution of the present invention compared with prior art, specially at small size powder charge and the test of priming system air bubble overload performance and design, apply to Machine Design relative theory and method, can be according to different required distance running fix protection cabinets, according to different overload environmental requirements different metal target plate or concrete target plate are installed, thereby can be to the overload stability of explosive loading at the mechanical characteristic and the explosive of different penetration overload condition, reliability is measured, and this is that other existing experimental rig can not be accomplished.It is rigorous, feasible that design has, convenient, can be used in the characteristics such as air bubble of different volumes, has good practical value and reliable operability, reaches experimental result accurately.
Description of drawings
Fig. 1 is an internal structure schematic diagram of the present invention
Fig. 2 is the understructure schematic diagram
Fig. 3 is the structure chart of concave-board
Fig. 4 is casing and cover body connecting structure schematic diagram
Among the figure: test the speed hole, 7-bullet holder baffle plate, 8 of casing, 6-before casing among 1-rear box, 2-recycling bin, the 3-, 4-slot, the 5-, 9-bullet holder baffle plate, 10 guide rails, 11-base, 12-target plate support, 13-locating groove, 14-roller, 15-limiting mechanism, 16-bolt shim pack, the 17-bearing pin.
The specific embodiment
As schematically shown in Figure 1, 2, described overload test protective housing comprises the casing of base 11, top, and base 11 is provided with guide rail 10; The casing top is a box cover, described casing is connected to form by preceding casing 5, middle casing 3, rear box 1, be provided with bullet holder baffle plate 9,8, bullet holder baffle plate 7 successively in the preceding casing 5, preceding casing one side also is provided with and is provided with slot 4 that target plate is installed and the target plate support 12 of placing the cement target in the hole 6 of testing the speed, the middle casing 3, is provided with recycling bin 2 in the rear box 1; Casing has locating groove 13 and roller 14, and the end of base 11 is provided with limiting mechanism 15, and limiting mechanism 15 is connected with rear box 1.
As schematically shown in Figure 4, described casing is that bearing pin is connected with cover plate, and bearing pin by four angles 17 is fixed cover plate.Can also play the effect of renovating by bearing pin, perhaps all remove.Be the safety guard that is used to carry out missile-borne powder charge overload performance test experiments, its primary structure and characteristics comprise:
In casing 3 be mainly used in the installation target plate, slot 4 is used for peg graft installing the metal target plate.Target plate support 12 middle parts are concave shape.When needs are installed cylindrical concrete target plate, two target plate supports 12 need be lain against middle bottom half at interval, again the concrete target plate is lain in the support arc groove from the casing top and position, can guarantee accurate location to target plate.
Preceding casing 5 is mainly used to realize that bullet separates with the bullet holder, guarantees that projectile flight track and speed are constant.Adopt two bundle directional lights of binary channels laser velocimeter emission that the hair style speed of bullet is tested.
Claims (4)
1. gas big gun overload test protective housing, it is characterized in that: comprise the casing of base (11), top, base (11) is provided with guide rail (10); The casing top is a box cover, described casing is connected to form by preceding casing (5), middle casing (3), rear box (1), be provided with gun muzzle backplate (8,9), bullet holder baffle plate (7) successively in the preceding casing (5), preceding casing one side also is provided with and is provided with slot (4) that target plate is installed and the target plate support (12) of placing the cement target in the hole of testing the speed (6), the middle casing (3), is provided with recycling bin (2) in the rear box (1); Casing has locating groove (13) and roller (14), and the end of base (11) is provided with limiting mechanism (15), and limiting mechanism (15) is connected with rear box (1).
2. gas big gun overload test protective housing according to claim 1 is characterized in that: described box cover is that bearing pin connects, and by the bearing pin at four angles box cover is fixed.
3. gas big gun overload test protective housing according to claim 1 is characterized in that: rear box (1) is connected by bolt shim pack (16) with limiting mechanism (15).
4. gas big gun overload test protective housing according to claim 1 is characterized in that: target plate support (12) middle part is concave shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101023308A CN102226672B (en) | 2011-04-23 | 2011-04-23 | Overload test guard box of air bomb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101023308A CN102226672B (en) | 2011-04-23 | 2011-04-23 | Overload test guard box of air bomb |
Publications (2)
| Publication Number | Publication Date |
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| CN102226672A true CN102226672A (en) | 2011-10-26 |
| CN102226672B CN102226672B (en) | 2012-04-11 |
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| CN2011101023308A Expired - Fee Related CN102226672B (en) | 2011-04-23 | 2011-04-23 | Overload test guard box of air bomb |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712765A (en) * | 2013-12-30 | 2014-04-09 | 北京航空航天大学 | Impact testing machine |
| CN104267204A (en) * | 2014-09-16 | 2015-01-07 | 南京理工大学 | High-velocity projectile take-back device |
| CN107246826A (en) * | 2017-07-25 | 2017-10-13 | 中国人民解放军理工大学 | A kind of target case for recording penetration trajectory |
| CN107436218A (en) * | 2017-08-31 | 2017-12-05 | 南京理工大学 | A kind of experimental provision of Projectile Penetration target plate |
| CN107990795A (en) * | 2017-12-01 | 2018-05-04 | 西安工业大学 | A kind of shell speed measuring device and its application method |
| CN108592714A (en) * | 2018-03-01 | 2018-09-28 | 北京理工大学 | A kind of experimental rig for testing Fragment Velocities decaying |
| CN109001054A (en) * | 2018-06-15 | 2018-12-14 | 西南交通大学 | A kind of penetration experiment device and method suitable for high speed camera shooting |
| CN109443112A (en) * | 2018-08-13 | 2019-03-08 | 南京理工大学 | The anti-bullet of rain-proof dust-proof for the experiment of water shooting lane flies out system |
| CN109632289A (en) * | 2018-11-16 | 2019-04-16 | 浙江来福谐波传动股份有限公司 | A kind of analysis of Fatigue-life device for harmonic speed reducer |
| CN112857142A (en) * | 2019-11-12 | 2021-05-28 | 北京理工大学 | Target penetrating experimental device |
| CN113720220A (en) * | 2021-09-29 | 2021-11-30 | 北京理工大学 | Fragment recovery test device capable of testing residual speed and test method thereof |
| CN114136158A (en) * | 2021-12-09 | 2022-03-04 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Test device for detecting capability of body penetrating multiple layers of media |
| CN115014137A (en) * | 2022-07-22 | 2022-09-06 | 北京理工大学 | Large-angle ignition test system and method for small-caliber shell fuse |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712765B (en) * | 2013-12-30 | 2015-12-30 | 北京航空航天大学 | Impact testing machine |
| CN103712765A (en) * | 2013-12-30 | 2014-04-09 | 北京航空航天大学 | Impact testing machine |
| CN104267204A (en) * | 2014-09-16 | 2015-01-07 | 南京理工大学 | High-velocity projectile take-back device |
| CN104267204B (en) * | 2014-09-16 | 2017-03-15 | 南京理工大学 | High-velocity Projectiles retracting device |
| CN107246826A (en) * | 2017-07-25 | 2017-10-13 | 中国人民解放军理工大学 | A kind of target case for recording penetration trajectory |
| CN107436218A (en) * | 2017-08-31 | 2017-12-05 | 南京理工大学 | A kind of experimental provision of Projectile Penetration target plate |
| CN107990795B (en) * | 2017-12-01 | 2023-05-26 | 西安工业大学 | Shell speed measuring device and application method thereof |
| CN107990795A (en) * | 2017-12-01 | 2018-05-04 | 西安工业大学 | A kind of shell speed measuring device and its application method |
| CN108592714A (en) * | 2018-03-01 | 2018-09-28 | 北京理工大学 | A kind of experimental rig for testing Fragment Velocities decaying |
| CN109001054A (en) * | 2018-06-15 | 2018-12-14 | 西南交通大学 | A kind of penetration experiment device and method suitable for high speed camera shooting |
| CN109001054B (en) * | 2018-06-15 | 2024-01-30 | 西南交通大学 | Penetration experimental device and method suitable for high-speed camera shooting |
| CN109443112A (en) * | 2018-08-13 | 2019-03-08 | 南京理工大学 | The anti-bullet of rain-proof dust-proof for the experiment of water shooting lane flies out system |
| CN109632289A (en) * | 2018-11-16 | 2019-04-16 | 浙江来福谐波传动股份有限公司 | A kind of analysis of Fatigue-life device for harmonic speed reducer |
| CN112857142B (en) * | 2019-11-12 | 2022-06-21 | 北京理工大学 | Target penetrating experimental device |
| CN112857142A (en) * | 2019-11-12 | 2021-05-28 | 北京理工大学 | Target penetrating experimental device |
| CN113720220A (en) * | 2021-09-29 | 2021-11-30 | 北京理工大学 | Fragment recovery test device capable of testing residual speed and test method thereof |
| CN114136158A (en) * | 2021-12-09 | 2022-03-04 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Test device for detecting capability of body penetrating multiple layers of media |
| CN114136158B (en) * | 2021-12-09 | 2023-09-05 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Test device for detecting capability of projectile body penetrating multilayer medium |
| CN115014137A (en) * | 2022-07-22 | 2022-09-06 | 北京理工大学 | Large-angle ignition test system and method for small-caliber shell fuse |
| CN115014137B (en) * | 2022-07-22 | 2023-01-20 | 北京理工大学 | Large-angle ignition test system and method for small-caliber shell fuse |
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| CN102226672B (en) | 2012-04-11 |
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