CN203310600U - Cylinder-shaped equivalent loading experimental device of non-explosive underwater explosion explosive shock waves - Google Patents
Cylinder-shaped equivalent loading experimental device of non-explosive underwater explosion explosive shock waves Download PDFInfo
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- CN203310600U CN203310600U CN2013203909233U CN201320390923U CN203310600U CN 203310600 U CN203310600 U CN 203310600U CN 2013203909233 U CN2013203909233 U CN 2013203909233U CN 201320390923 U CN201320390923 U CN 201320390923U CN 203310600 U CN203310600 U CN 203310600U
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Abstract
The utility model relates to underwater explosion explosive shock wave equivalent loading experimental devices and specifically relates to a cylinder-shaped equivalent loading experimental device of non-explosive-type underwater explosion explosive shock waves. The utility model aims to solve a problem that explosive-type-type underwater explosive shock wave loading experiments can be not conducted generally in laboratories and are low in repetitive rate and poor in measurement precision. According to the utility model, a main loading water cabin and a light-gas gun are arranged horizontally on a straight line. The head part end of the main loading water cabin is opposite to a gun muzzle of the light-gas gun. A piston is installed in the head part end of the main loading water cabin. A testing target board is installed on the tail part end of the main loading water cabin fixedly. A plurality of impact wave measuring mechanism mounting ports are distributed on the outer side wall of the main loading water cabin uniformly in the length direction of the main loading water cabin. A drive bullet is installed in the gun muzzle of the light-gas fun. Two speed measuring mechanisms are installed on the outer side wall of the light-gas gun. The cylinder-shaped equivalent loading experimental device of the non-explosive-type underwater explosion explosive shock waves provided by the utility model is used for underwater explosion explosive shock wave equivalent loading experiments.
Description
Technical field
The utility model relates to a kind of underwater blast wave equivalence loading experimental apparatus, is specifically related to a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus.
Background technology
At present for the underwater blast wave of different structure and material, load the main explosive that relies on certain equivalent of test and in not isometric tank, carry out real medicine blast and realize, the dangerous property of this load mode is high, load that cost is high, the experimental data measuring accuracy not enough and the high shortcoming such as can't popularize of experiment qualification requirement.And utilize technology of numerical simulation to study the underwater blast wave loading of structure fully, owing to lacking necessary experimental verification, can't determine its correctness again, high, the required experiment qualification of repeatability is low, simple to operate, the Main parameter measurement accurate, can carry on the back the advantages such as object construction loads to the gas back of the body and water and cylindricality non-drug type underwater blast wave loading experiment is because have, and can make underwater blast wave be carried in extensive expansion the in laboratory.
At present, the non-drug type underwater blast wave charger that the georgia ,u.s.a Institute of Technology and univ cambridge uk set up is for not being with the inscattering corner structure, but, due to the restriction that is subjected to light-gas gun drive unit bore, only can load small-sized gas back structure; The underwater blast wave of the non-drug type with scattering angle that Harvard University, Northwest University build jointly equivalence charger can be in laboratory carries out the underwater blast wave loading experiment to macrostructure slightly, but because shock wave loads little scattering angle of the inner existence of water tank, although can increase like this load-carrying area of test structure, but reduced simultaneously the loading peak value of underwater blast wave, the underwater shock crest value produced also is confined in the 60MPa scope.Domestic existing impacting type underwater blast wave equivalence charger is the band inscattering corner structure identical with Northwestern Univ USA, and this device only can carry out the loading of low-intensity underwater blast wave to the object construction that gas is carried on the back environment.
The utility model content
The utility model can not generally launch in order to solve explosive formula underwater blast wave loading experiment in laboratory, and the problem that repetition rate is low, measuring accuracy is inadequate, and then proposes a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus.
The utility model is to address the above problem the technical scheme of taking to be: the utility model comprises main loading water tank, light-gas gun, drive bullet, piston, test target plate and a set of velocity measurement mechanisms, main loading water tank and light-gas gun are yi word pattern and are horizontally disposed with, the head end of main loading water tank is relative with gun muzzle of light-gas gun, piston is arranged in the head end of main loading water tank, the test target plate is fixedly mounted in the afterbody end of main loading water tank, and the plate face of test target plate is vertical with main loading water tank center line along its length, on the lateral wall of main loading water tank, be laid with a plurality of impact wave measurement mechanism installing port along main loading water tank length direction, driving bullet is arranged in gun muzzle of light-gas gun, a set of velocity measurement mechanisms is arranged on the lateral wall of light-gas gun side by side.
The beneficial effects of the utility model are: the utility model is according to one dimension shock wave principle and acoustic approximation principle, by plate impact, make particle in water obtain certain initial velocity and then produce the underwater blast wave loading, the utility model can load the high strength underwater blast wave that object construction carry out under the gas back of the body and water back of the body environment, and shock wave intensity and the deformation failure that is loaded structure detect easily.The utility model can not used explosive in laboratory scope, to carry out high-intensity underwater blast wave loading experiment, this system is simple to operate, repeatable high, implement that required experiment qualification is low, the Main parameter measurement is accurate, can significantly improve actual effect efficiency.The utility model can be in the situation that do not used explosive to complete the high strength underwater blast wave loading of object construction under the gas back of the body and water back of the body environment, the shock strength that the utility model is implemented can reach 300MPa, the shock strength that can reach apparently higher than existing impacting type underwater blast wave equivalence charger.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model, and Fig. 2 is the structural representation after main loading water tank is installed the secondary cabin of the water back of the body.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1 and Fig. 2, the described a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus of present embodiment comprises main loading water tank 1, light-gas gun 2, drive bullet 5, piston 6, test target plate 7 and a set of velocity measurement mechanisms 3, main loading water tank 1 and light-gas gun 2 are yi word pattern and are horizontally disposed with, the head end of main loading water tank 1 is relative with gun muzzle of light-gas gun 2, piston 6 is arranged in the head end of main loading water tank 1, test target plate 7 is fixedly mounted in the afterbody end of main loading water tank 1, and the plate face of test target plate 7 is vertical with main loading water tank 1 center line along its length, on the lateral wall of main loading water tank 1, be laid with a plurality of the first impact wave measurement mechanism installing ports 4 along main loading water tank 1 length direction, driving bullet 5 is arranged in gun muzzle of light-gas gun 2, a set of velocity measurement mechanisms 3 is arranged on the lateral wall of light-gas gun 2 side by side.
In present embodiment, can to produce and load peak value be the underwater blast wave of 300MPa to main loading water tank 1.
In present embodiment, leave the gap of 30mm between main loading water tank 1 head end end face and light-gas gun 2 gun muzzles.
In present embodiment, main loading water tank 1 is hollow cylindrical; Driving bullet 5 diameters is 66mm, and material can be aluminium or steel, and the thickness that drives bullet 5 can be definite according to actual condition, and when driving bullet 5 was the thick aluminium bomb of 5mm, light-gas gun 2 can accelerate to 1500m/s by driving bullet 5.
Gun muzzle place of light-gas gun 2 is equipped with two generating lasers and two laser pickoffs, two laser pickoffs are connected with counter, when the driving bullet 5 of light-gas gun 2 emissions flies out gun muzzle, drive bullet 5 and block respectively two bundle laser, the interval time of counter records assembly, the distance by two bundle laser is the stroke speed that drives bullet 5 divided by times of counter records.
While utilizing the utility model to test, on each first impact wave measurement mechanism mounting hole 4, an impact wave measurement mechanism is installed respectively respectively, each impact wave measurement mechanism comprises that five range abilities are pressure transducer and the charge amplifier of Five-channel and the oscillograph of Five-channel of 0～400MPa, impact wave measurement rise time≤4 μ s.
Embodiment two: present embodiment is described in conjunction with Fig. 1 and Fig. 2, the described a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus of present embodiment also comprises the secondary cabin 9 of the water back of the body, the openend in the secondary cabin 9 of the water back of the body is connected with the afterbody end of main loading water tank 1 by bolt, and the inner chamber in the secondary cabin 9 of the water back of the body is communicated with the inner chamber of main loading water tank 1, the lateral wall in the secondary cabin 9 of the water back of the body has water filling port 10.
The technique effect of present embodiment is: so arrange, make the utility model to carry on the back under environment and to carry out the shock wave loading experiment at water.Other composition and annexation are identical with embodiment one.
Embodiment three: present embodiment is described in conjunction with Fig. 1 and Fig. 2, the lateral wall in the secondary cabin 9 of the water back of the body of the described a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus of present embodiment is provided with second an impact wave measurement mechanism installing port 13, and the bottom in the secondary cabin 9 of the water back of the body is provided with second an impact wave measurement mechanism installing port 13.
The technique effect of present embodiment is: so arrange, on each second impact wave measurement mechanism installing port 13, second an impact wave measurement mechanism is installed respectively respectively, the shock wave that sees through test target plate 7 can be measured by two the second impact wave measurement mechanisms.Other composition and annexation are identical with embodiment two.
Embodiment four: in conjunction with Fig. 1 and Fig. 2, present embodiment is described, is provided with O-ring seal 8 between the lateral wall of the described a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus piston 6 of present embodiment and the madial wall of main loading water tank 1.
The technique effect of present embodiment is: so arrange, guaranteed the sealing of main loading water tank 1 inner chamber, avoided main loading water tank 1 in experimentation to leak.Other composition and annexation are identical with embodiment one or two.
Embodiment five: present embodiment is described in conjunction with Fig. 1 and Fig. 2, the described a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus of present embodiment also comprises two main loading water tank supports 11, two main loading water tank support 11 parallel, horizontal settings side by side, main loading water tank 1 is fixedly mounted on two main loading water tank supports 11.
The technique effect of present embodiment is: so arrange, main loading water tank 1 in experimentation can not moved because being impacted, and then affect the accuracy of experiment effect and measurement data.Other composition and annexation are identical with embodiment four.
Embodiment six: in conjunction with Fig. 1, present embodiment is described, the described a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus of present embodiment also comprises light-gas gun support 12, and light-gas gun 2 is fixedly mounted on light-gas gun support 12.
The technique effect of present embodiment is: so arrange, make the light-gas gun 2 can be because recoil moves, avoided the damage of instrument and to personnel's damage.Other composition and annexation are identical with embodiment one.
Embodiment seven: in conjunction with Fig. 1 and Fig. 2, present embodiment is described, the main loading water tank 1 of the described a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus of present embodiment and the secondary cabin 9 of the water back of the body are all to make by adding the black 42CrMo steel of processing.Other composition and annexation are identical with embodiment two, three or five.
Embodiment eight: present embodiment is described in conjunction with Fig. 1 and Fig. 2, the internal diameter of the main loading water tank 1 of the described a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus of present embodiment is 66mm, the external diameter of main loading water tank 1 is 78mm, the internal diameter in the secondary cabin 9 of the water back of the body is 66mm, and the external diameter in the secondary cabin 9 of the water back of the body is 78mm.Other composition and annexation are identical with embodiment seven.
Principle of work
While in gas back of the body situation, testing, by driving bullet 5, pack in gun muzzle of light-gas gun 2, piston 6 is packed in the head end of main loading water tank 1, target plate 7 is installed, by impact wave measurement mechanism installing port 4 to the interior water filling of main loading water tank 1, after in main loading water tank 1, filling with water, on each first impact wave measurement mechanism installing port 4, an impact wave measurement mechanism is installed respectively respectively, start light-gas gun 2 emissions and drive bullet 5, by two velocity measurement mechanisms 3, read the stroke speed that drives bullet 5, store the shock wave loading sequence that each impact wave measurement mechanism records, so far complete once experiment.
While in water back of the body situation, testing, by driving bullet 5, pack in gun muzzle of light-gas gun 2, piston 6 is packed in the head end of main loading water tank 1, target plate 7 is installed, water is carried on the back to the afterbody end that secondary cabin 9 is arranged on main loading water tank 1, by water filling port 10, carry on the back the interior water filling in secondary cabin 9 to water, by the first impact wave measurement mechanism installing port 4 to the interior water filling of main loading water tank 1, after in main loading water tank 1, filling with water, on each first impact wave measurement mechanism installing port 4 and the second impact wave measurement mechanism installing port 13, an impact wave measurement mechanism is installed respectively respectively, start light-gas gun 2 emissions and drive bullet 5, by two velocity measurement mechanisms 3, read the stroke speed that drives bullet 5, store the shock wave loading sequence that each impact wave measurement mechanism records, so far complete once experiment.
Claims (8)
1. cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus, it is characterized in that: described a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus comprises main loading water tank (1), light-gas gun (2), drive bullet (5), piston (6), test target plate (7) and a set of velocity measurement mechanisms (3), main loading water tank (1) and light-gas gun (2) are yi word pattern and are horizontally disposed with, the head end of main loading water tank (1) is relative with gun muzzle of light-gas gun (2), piston (6) is arranged in the head end of main loading water tank (1), test target plate (7) is fixedly mounted in the afterbody end of main loading water tank (1), and the plate face of test target plate (7) is vertical with main loading water tank (1) center line along its length, on the lateral wall of main loading water tank (1), be laid with a plurality of the first impact wave measurement mechanism installing ports (4) along main loading water tank (1) length direction, driving bullet (5) is arranged in gun muzzle of light-gas gun (2), a set of velocity measurement mechanisms (3) is arranged on the lateral wall of light-gas gun (2) side by side.
2. a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus according to claim 1, it is characterized in that: described a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus also comprises the water back of the body secondary cabin (9), the openend in the water secondary cabin of the back of the body (9) is connected with the afterbody end of main loading water tank (1) by bolt, and the inner chamber in the water secondary cabin of the back of the body (9) is communicated with the inner chamber of main loading water tank (1), the lateral wall in the water secondary cabin of the back of the body (9) has water filling port (10).
3. a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus according to claim 2, it is characterized in that: the lateral wall in the water secondary cabin of the back of the body (9) is provided with second an impact wave measurement mechanism installing port (13), and the bottom in the water secondary cabin of the back of the body (9) is provided with second an impact wave measurement mechanism installing port (13).
4. according to the described a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus of claim 1 or 2, it is characterized in that: be provided with O-ring seal (8) between the madial wall of the lateral wall of piston (6) and main loading water tank (1).
5. a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus according to claim 4, it is characterized in that: described a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus also comprises two main loading water tank supports (11), two main loading water tank supports (11) parallel, horizontal setting side by side, main loading water tank (1) is fixedly mounted on two main loading water tank supports (11).
6. a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus according to claim 1, it is characterized in that: described a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus also comprises light-gas gun support (12), and light-gas gun (2) is fixedly mounted on light-gas gun support (12).
7. according to claim 2,3 or 5 described a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus, it is characterized in that: main loading water tank (1) and the water secondary cabin of the back of the body (9) are all to make by adding the black 42CrMo steel of processing.
8. a kind of cylindricality non-drug type underwater blast wave equivalence loading experimental apparatus according to claim 7, it is characterized in that: the internal diameter of main loading water tank (1) is 66mm, the external diameter of main loading water tank (1) is 78mm, the internal diameter in the water secondary cabin of the back of the body (9) is 66mm, and the external diameter in the water secondary cabin of the back of the body (9) is 78mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203909233U CN203310600U (en) | 2013-07-02 | 2013-07-02 | Cylinder-shaped equivalent loading experimental device of non-explosive underwater explosion explosive shock waves |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203909233U CN203310600U (en) | 2013-07-02 | 2013-07-02 | Cylinder-shaped equivalent loading experimental device of non-explosive underwater explosion explosive shock waves |
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| CN203310600U true CN203310600U (en) | 2013-11-27 |
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| CN2013203909233U Withdrawn - After Issue CN203310600U (en) | 2013-07-02 | 2013-07-02 | Cylinder-shaped equivalent loading experimental device of non-explosive underwater explosion explosive shock waves |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344405A (en) * | 2013-07-02 | 2013-10-09 | 哈尔滨工业大学 | Cylindrical non-explosive-type underwater explosive shock wave equivalent load experiment device |
| CN105486452A (en) * | 2015-12-31 | 2016-04-13 | 张宇峰 | Comparison-type calibration method for shock wave measurement |
| CN107633149A (en) * | 2017-10-18 | 2018-01-26 | 中国人民解放军装甲兵工程学院 | A kind of muzzle brake superpressure computational methods for being used to reduce recoil |
| CN109506875A (en) * | 2018-11-27 | 2019-03-22 | 哈尔滨工业大学 | Non-drug type underwater blast wave couples the experimental system of load with high speed fragments |
-
2013
- 2013-07-02 CN CN2013203909233U patent/CN203310600U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344405A (en) * | 2013-07-02 | 2013-10-09 | 哈尔滨工业大学 | Cylindrical non-explosive-type underwater explosive shock wave equivalent load experiment device |
| CN103344405B (en) * | 2013-07-02 | 2015-12-09 | 哈尔滨工业大学 | A kind of cylindrical non-explosive-type underwater explosive shock wave equivalent load experiment device |
| CN105486452A (en) * | 2015-12-31 | 2016-04-13 | 张宇峰 | Comparison-type calibration method for shock wave measurement |
| CN105486452B (en) * | 2015-12-31 | 2018-11-13 | 张宇峰 | Shock wave tests comparison-type scaling method |
| CN107633149A (en) * | 2017-10-18 | 2018-01-26 | 中国人民解放军装甲兵工程学院 | A kind of muzzle brake superpressure computational methods for being used to reduce recoil |
| CN109506875A (en) * | 2018-11-27 | 2019-03-22 | 哈尔滨工业大学 | Non-drug type underwater blast wave couples the experimental system of load with high speed fragments |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131127 Effective date of abandoning: 20151209 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |