CN104897724A - Vacuum explosion-proof equipment for explosive material Hopkinson bar test - Google Patents
Vacuum explosion-proof equipment for explosive material Hopkinson bar test Download PDFInfo
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- CN104897724A CN104897724A CN201510266285.8A CN201510266285A CN104897724A CN 104897724 A CN104897724 A CN 104897724A CN 201510266285 A CN201510266285 A CN 201510266285A CN 104897724 A CN104897724 A CN 104897724A
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Abstract
The invention discloses vacuum explosion-proof equipment for an explosive material Hopkinson bar test. The vacuum explosion-proof equipment comprises a transmission bar, a cover plate, an explosion-proof box, an explosive sample, an incidence bar, bar sleeves, a fixed frame, a bar sleeve sealing ring, a bar sealing ring, a buffering device, a cover plate sealing pad, a window cover plate and an exhaust tube, wherein the explosion-proof box is a box body consisting of front, back, left and right side surfaces and a bottom surface; an opening is formed in the upper end of the box body, and an outer flange is arranged at the opening; a central rectangular opening is formed in each of the front and back side surfaces of the explosion-proof box; a central circular opening is formed in each of the left and right side surfaces of the explosion-proof box; one bar sleeve is mounted in the circular opening in each of the left and right side surfaces of the explosion-proof box; the transmission bar is mounted in a circular through hole of the bar sleeve on the left; the incidence bar is mounted in a circular through hole of the bar sleeve on the right. The vacuum explosion-proof equipment disclosed by the invention is free of impact waves caused by explosion of an explosive material and also can prevent backward movement of an input bar so as to protect a test system.
Description
Technical field
The invention belongs to explosive wastewater laboratory testing rig technical field, relate to a kind of vacuum explosion-proof device, particularly a kind of vacuum explosion-proof device being applicable to Hopkinson bar test.
Background technology
Explosive will through vibrated, impact in production, processing, transport, storage; Armour-piercing, bore etc. use in attack weapon time, the Dynamic Loading that loading speed is higher be born; Under emergency conditions, stand to fall, clash into, the impact loading etc. of bullet or fragment.In these processes, first the response of explosive shows as dynamic response, and then affects its detonate character and detonation property.In order to improve explosive security at different conditions, need the dynamic mechanical of research explosive under high strain-rate dynamic load.
Hopkinson bar can survey material 10
2~ 10
4the stress-strain curve of rate of strain scope is one of the most basic experimental technique of research material dynamic mechanical.Due to the singularity of energetic material, may there is burning and even explode in it, thus may damage Hopkinson bar pilot system and dependence test device under percussive action, even damages testing crew, needs to carry out necessary protection in experiment.Document " a kind of aluminum composition Compressive Mechanical Properties and constitutive relation research " (energetic material, in October, 2007,15th volume the 5th phase 460 pages) in report a kind of steel protection box, this device is mainly used in preventing test accidental explosion from damaging personnel and instrument, but there are following 2 deficiencies: the first, in confined space, the shock wave produced after explosive charge is through multiple reflections, its destructive power strengthens, and easily causes the destruction of protection box; The second, the shock wave produced after explosive charge can produce percussive action to guide rod, easy failure test system.
Summary of the invention
In order to overcome shortcomings and deficiencies of the prior art; the invention provides a kind of vacuum explosion-proof device for the test of explosive material Hopkinson bar; the shock wave pressure that vacuum environment produces after making explosive charge reduces greatly; and then reduce the impact to explosion-protection equipment and the reverse impact to input lever, protect pilot system.
A kind of vacuum explosion-proof device for the test of explosive material Hopkinson bar provided by the invention, comprise transmission bar 1, socket head cap screw [3, 8], cover plate 4, armored cassette 5, explosive sample 6, incident bar 11, it is characterized in that, also comprise bar cover 2, fixed frame 7, bar cover O-ring seal 9, rod seal circle 10, snubber assembly 12, cover plate for sealing pad 13, window cover plate 14, exhaust tube 15, described armored cassette 5 is box body, box body is by all around 4 sides and 1 bottom surface form, cassette upper end is opening and encloses outside flange 5-1 at opening part with one, each with a center oblong openings 5-3 on former and later two sides of armored cassette 5, each with a central circular opening 5-4 on the side, two, left and right of armored cassette 5, be placed with snubber assembly 12 in armored cassette 5, snubber assembly 12 is the rectangular slab with central circular through hole, and snubber assembly 12 is connected with incident bar 11 by central circular through hole, the upper surface of the flange 5-1 of armored cassette 5 is connected with cover plate 4 by socket head cap screw 3, cover plate 4 is square plate, a manhole is respectively had at foursquare 4 angles, install cover plate sealing gasket 13 between the flange 5-1 of cover plate 4 and armored cassette 5, cover plate for sealing pad 13 is the square plate with central square opening, former and later two sides of armored cassette 5 are all connected with fixed frame 7 by socket head cap screw 8, fixed frame 7 is the rectangular slab with center rectangle groove 7-3, respectively there is a manhole at rectangle 4 angles of fixed frame 7, the bottom surface of rectangle groove 7-3 is processed with oblong openings 7-2, in rectangle groove 7-3, window cover plate 14 is housed, window cover plate 14 is rectangular slab, window cover plate 14 and armored cassette 5 close contact, the lower right corner of the leading flank of armored cassette 5 is connected with exhaust tube 15, and exhaust tube 15 is cylinder, a bar cover 2 is respectively installed in the circular open 5-4 of two sides, left and right of armored cassette 5, bar cover 2 is the plectane with central circular through hole 2-3, annular groove 2-1 is processed with along its circumference, bar cover O-ring seal 9 is installed in annular groove 2-1, edge along manhole encloses annular boss 2-4 with one, annular boss 2-4 and annular groove 2-1 overlaps the same side of 2 at bar, annular boss 2-4 and circular open 5-4 clearance fit, bar cover this side of 2 and the side close contact of armored cassette 5, the face of cylinder of manhole 2-3 is processed with annular groove 2-2, rod seal circle 10 is installed in annular groove 2-2, the manhole 2-3 coaxial line of two the bar covers 2 in left and right, in the manhole 2-3 of left side bar cover 2, transmission bar 1 is installed, in the manhole 2-3 of the right bar cover 2, incident bar 11 is installed, transmission bar 1 and incident bar 11 are the slender cylinder of equal diameters, transmission bar 1 and incident bar 11 coaxial line, explosive sample 6 is right cylinder, two end faces respectively with transmission bar 1 and incident bar 11 close contact.
The oblong openings 5-3 of described armored cassette 5 front and back sides is equal with the oblong openings 7-2 size of fixed frame 7, the oblong openings 7-2 of fixed frame 7 overlaps with the oblong openings 5-3 position of armored cassette 5, two oblong openings 5-3 of front and back sides are measure-alike, and symmetrical about transmission bar 1 axis place vertical plane.The right flank of the rectangular slab of described snubber assembly 12 contacts with the right flank of armored cassette 5, and upper surface contacts with cover plate 4, and lower surface contacts with the bottom surface of armored cassette 5.The length-diameter ratio of described explosive sample 6 is 1:1 ~ 2, explosive sample 6 with the diameter of incident bar 11 than being 1:1 ~ 2, and with incident bar 11 coaxial line.
A kind of vacuum explosion-proof device for the test of explosive material Hopkinson bar of the present invention, the technique effect brought is embodied in the following aspects:
(1) vacuumize airtight explosion-protection equipment before test, after high explosive explodes in vacuum environment, shock wave pressure reduces greatly, and then reduces the destruction of causing explosion-protection equipment.
(2) in input lever, snubber assembly is bonded with, snubber assembly can not impact the normal work of input lever, but can stop the counter motion of input lever, reduce input lever heterodromous speed, prevent because input lever high-speed reverse move the pilot system damage caused.
Accompanying drawing explanation
Fig. 1 is a kind of vacuum explosion-proof device structural representation for the test of explosive material Hopkinson bar of the present invention.
Fig. 2 is the structural representation of king-rod of the present invention cover.
Fig. 3 is the structural representation of armored cassette in the present invention.
Fig. 4 is the structural representation of fixed frame in the present invention.
Fig. 5 is the structural representation of cover plate sealing gasket of the present invention.
Label in figure represents respectively: 1, transmission bar, 2, bar cover, 3, socket head cap screw, 4, cover plate, 5, armored cassette, 6, explosive sample, 7, fixed frame, 8, socket head cap screw, 9, bar cover O-ring seal, 10, rod seal circle, 11, incident bar, 12, snubber assembly, 13, cover plate for sealing pad, 14, window cover plate, 15 exhaust tubes, 2-1, annular groove, 2-2, annular groove, 2-3, manhole, 2-4, annular boss, 5-1, flange, 5-2, threaded hole, 5-3, oblong openings, 5-4, circular open, 5-5, threaded hole, 7-1, manhole, 7-2, oblong openings, 7-3 rectangular recess.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail, it should be noted that the present invention is not limited to following specific embodiment, and all equal conversion carried out on technical solution of the present invention basis are all in protection scope of the present invention.
As Figure 1-Figure 5, the present embodiment provides a kind of vacuum explosion-proof device for the test of explosive material Hopkinson bar, comprises transmission bar 1, socket head cap screw [3, 8], cover plate 4, armored cassette 5, explosive sample 6, incident bar 11, is characterized in that, also comprises bar cover 2, fixed frame 7, bar cover O-ring seal 9, rod seal circle 10, snubber assembly 12, cover plate for sealing pad 13, window cover plate 14, exhaust tube 15, described armored cassette 5 is steel box body, box body is that bottom surface is welded by all around 4 rectangle steel plates are side and 1 steel plate, cassette upper end is opening and is welded with a circle outside flange 5-1 at opening part, outside flange 5-1 is the square steel plate with central square opening, the square openings of flange 5-1 is docked with the square of the upper edge of armored cassette 5 side and welds one week, former and later two sides of armored cassette 5 are respectively processed with a center oblong openings 5-3, two oblong openings 5-3 equal and opposite in directions, the oblong openings 5-3 of leading flank overlaps with the oblong openings 5-3 of trailing flank in the projection of trailing flank, the side, two, left and right of armored cassette 5 is respectively processed with a central circular opening 5-4, two circular open 5-4 equal and opposite in directions, the circular open 5-4 of left surface overlaps with the circular open 5-4 of right flank in the projection of right flank, snubber assembly 12 is placed with in armored cassette 5, snubber assembly 12 is the foam rectangular slab with central circular through hole, incident bar 11 inserts the central circular through hole of snubber assembly 12 and after assembling, cementing around manhole, bonds fastening by incident bar 11 and snubber assembly 12, 4 angles place of the upper surface of the flange 5-1 of armored cassette 5 is each makes a call to a threaded hole 5-5, cover plate 4 is steel square plate, a manhole is respectively processed with at foursquare 4 angles, cover plate for sealing pad 13 is placed in the upper surface of the flange 5-1 of armored cassette 5, cover plate for sealing pad 13 is the square rubber slab with central square opening, thickness is 2mm, and then cover plate 4 is positioned on cover plate for sealing pad 13, by socket head cap screw 3, cover plate 4 is fixed on the flange 5-1 of armored cassette 5, make the deflection of the rubber slab extruding about percent 30 of cover plate for sealing pad 13, to guarantee the sealing of cassette upper end, a threaded hole 5-2 is respectively processed with at 4 angles place of former and later two sides adjacent rectangle opening 5-3 of armored cassette 5, fixed frame 7 is the steel rectangular slab with center rectangle groove 7-3, rectangle 4 angles of fixed frame 7 are respectively processed with a manhole, the bottom surface of rectangle groove 7-3 is processed with oblong openings 7-2, window cover plate 14 is glass steel rectangular slab, window cover plate 14 is the transparent body, window cover plate 14 is arranged on after in the rectangle groove 7-3 of fixed frame 7, fixed frame 7 is covered on former and later two sides of armored cassette 5 again, by socket head cap screw 8, fixed frame 7 is connected with armored cassette 5, make window cover plate 14 and armored cassette 5 close contact, the lower right corner of the leading flank of armored cassette 5 is welded with an exhaust tube 15, and exhaust tube 15 is steel cylinder body, and tubular axis is vertical with the leading flank of armored cassette 5, and the air of armored cassette 5 inside can flow to armored cassette 5 outside by exhaust tube 15, a bar cover 2 is respectively installed in the circular open 5-4 of two sides, left and right of armored cassette 5, bar cover 2 is the steel plectane with central circular through hole 2-3, annular groove 2-1 is processed with along its circumference, bar cover O-ring seal 9 is installed in annular groove 2-1, edge along manhole encloses annular boss 2-4 with one, annular boss 2-4 and annular groove 2-1 overlaps the same side of 2 at bar, the inwall H10/g9 clearance fit of the outer wall of annular boss 2-4 and the circular open 5-4 of armored cassette 5, bar cover this side of 2 and the side close contact of armored cassette 5, the axis of manhole 2-3 of bar cover 2 and the lateral vertical of armored cassette 5, the face of cylinder of manhole 2-3 is processed with annular groove 2-2, rod seal circle 10 is installed in annular groove 2-2, the manhole 2-3 coaxial line of two the bar covers 2 in left and right, in the manhole 2-3 of left side bar cover 2, transmission bar 1 is installed, in the manhole 2-3 of the right bar cover 2, incident bar 11 is installed, the manhole 2-3 inwall of left and right two bars cover 2 respectively with the outer wall H9/g8 clearance fit of transmission bar 1 and incident bar 11, transmission bar 1 and incident bar 11 are the slender cylinder of equal diameters, and material is 2A12 aluminium, transmission bar 1 and incident bar 11 coaxial line, explosive sample 6 is right cylinder, and cylindrical two end faces scribble lubricating oil, then is clipped in by explosive sample 6 in the middle of transmission bar 1 and incident bar 11, two end faces making sample 6 respectively with transmission bar 1 and incident bar 11 close contact.
In the present embodiment, the right flank of the rectangular slab of snubber assembly 12 and the right flank contact internal walls of armored cassette 5, the upper end of snubber assembly 12 contacts with cover plate 4, and lower end contacts with the bottom surface of armored cassette 5.
The oblong openings 5-3 of described armored cassette 5 front and back sides is equal with the oblong openings 7-2 size of fixed frame 7, and the projection of oblong openings 7-2 on armored cassette 5 side overlaps with oblong openings 5-3.
The large 1mm of the degree of depth of the rectangle groove 7-3 of the Thickness Ratio fixed frame 7 of described window cover plate 14, after window cover plate 14 loads rectangle groove 7-3, a circle room temperature vulcanized silicone rubber is coated on rectangular edges edge along window cover plate 14, then fixed frame 7 is covered on the side of armored cassette 5, guarantee window cover plate 14 and the surface of contact of armored cassette 5 evenly scribble room temperature vulcanized silicone rubber, then room temperature vulcanized silicone rubber is coated by the screw thread of socket head cap screw 8, then fixed frame 7 is fixed on the side of armored cassette 5, to be cooled 24 as a child, guarantee the sealing of armored cassette 5 front and back sides.
It is circular annulus that described bar cover O-ring seal 9 and rod seal circle 10 are cross section, material is rubber, after loading rod seal circle 10 in the annular groove 2-2 of two the bar covers 2 in left and right, transmission bar 1 and incident bar 11 are housed respectively in manhole 2-3, the inner side of the annulus of two rod seal circles 10 respectively with transmission bar 1 and incident bar 11 close contact, the outside of the annulus of two rod seal circles 10 and bar overlap the annular groove 2-2 close contact of 2, there is the compress variation of about percent 30 in rod seal circle 10, guarantee bar cover 2 assemble with transmission bar 1 and incident bar 11 after sealing, load bar cover O-ring seal 9 in the annular groove 2-1 of two the bar covers 2 in left and right after, the annular boss 2-4 of bar cover 2 is loaded in the circular open 5-4 of the left and right sidewall of armored cassette 5, guarantee that bar cover O-ring seal 9 overlaps the annular groove 2-1 of 2 and the sidewall close contact of armored cassette 5 with bar simultaneously, when armored cassette 5 vacuumizes, owing to there is pressure differential inside and outside bar cover 2, causing bar to overlap 2 is close on the sidewall of armored cassette 5, bar is overlapped compress variation that O-ring seal 9 occurs about percent 30, guarantee that armored cassette 5 overlaps 2 sealings be connected at the circular open 5-4 place of sidewall with bar.
The length-diameter ratio of described explosive sample 6 is 1:2, explosive sample 6 with the diameter of incident bar 11 than being 1:2, and with incident bar 11 coaxial line, explosive sample 6 is in the center being projected in leading flank rectangle of armored cassette 5 leading flank.
Described is a kind of for after the vacuum explosion-proof device assembling of explosive material Hopkinson bar test, and at explosive sample 6 axis place, surface level places a high-speed camera, and the window of high-speed camera is just to window cover plate 14.
Using method of the present invention and principle of work as follows: a kind of for explosive material Hopkinson bar test vacuum explosion-proof device assembling after, guarantee protection box 5 upper end and all around 4 sides all there is good sealing, the interface of vacuum pump is enclosed within exhaust tube 15, and protection box 5 inner space is vacuumized, the valve of the interface of vacuum pump is closed after vacuumizing, make protection box 5 inside keep a vacuum environment, then close vacuum pump switch.Guarantee that high-speed photography normally works, then Hopkinson bar test is carried out, stress wave is in incident bar 11 in communication process, because the rod seal circle 10 that is in contact with it and snubber assembly 12 are soft material, elastic modulus and incident bar 11 widely different, therefore, the impact caused stress wave propagation in incident bar 11 is very little, stress wave is loaded by incident bar 11 pairs of explosive samples 6, and high-speed camera can be taken through the loading procedure of transparent window cover plate 14 pairs of explosive samples 6.When explosive sample 6 is blasted in loading procedure, the shock wave produced cannot be propagated in vacuum environment, therefore, can not produce explosion-protection equipment and damage, the explosion pressure of explosive sample 6 makes incident bar 11 with very high velocity reversal's motion, snubber assembly 12 is bonded on incident bar 11, jointly move with incident bar 11, during incident bar 11 positive movement, snubber assembly 12 can not impact the motion of incident bar 11, during incident bar 11 counter motion, snubber assembly 12 can impinge upon on the right side wall of protection box 5, protection box 5 blocks the motion of snubber assembly 12, and then block the counter motion of incident bar 11, considerably reduce the heterodromous speed of incident bar 11, pilot system is protected.In addition, the strong concussion of incident bar 11 is caused after explosive sample 6 explodes, the upper end of snubber assembly 12 contacts with cover plate 4, lower end contacts with the bottom surface of armored cassette 5, armored cassette can stop moving up and down of snubber assembly, and snubber assembly 12 effectively can stop and the concussion of incident bar 11 prevents incident bar 11 owing to strongly shaking the flexural deformation of the bar caused, prevent because bar is out of shape the error of the Hopkinson bar experimental test result caused.
A kind of vacuum explosion-proof device for the test of explosive material Hopkinson bar of the present invention, the damage that the shock wave produced after can effectively preventing explosive material from exploding causes explosion-protection equipment, input lever counter motion can also be hindered, and then pilot system is protected.
Claims (4)
1. the vacuum explosion-proof device for the test of explosive material Hopkinson bar, comprise transmission bar (1), socket head cap screw (3,8), cover plate (4), armored cassette (5), explosive sample (6), incident bar (11), it is characterized in that, also comprise bar cover (2), fixed frame (7), bar cover O-ring seal (9), rod seal circle (10), snubber assembly (12), cover plate for sealing pad (13), window cover plate (14), exhaust tube (15);
Described armored cassette (5) is box body, box body is by all around 4 sides and 1 bottom surface form, cassette upper end is opening and encloses outside flange (5-1) at opening part with one, each with a center oblong openings (5-3) on former and later two sides of armored cassette (5), each with a central circular opening (5-4) on the side, two, left and right of armored cassette (5);
Snubber assembly (12) is placed with in armored cassette (5), snubber assembly (12) is the rectangular slab with central circular through hole, and snubber assembly (12) is connected with incident bar (11) by central circular through hole; The upper surface of the flange (5-1) of armored cassette (5) is connected with cover plate (4) by socket head cap screw (3), cover plate (4) is square plate, a manhole is respectively had at foursquare 4 angles, install cover plate sealing gasket (13) between the flange (5-1) of cover plate (4) and armored cassette (5), cover plate for sealing pad (13) is the square plate with central square opening;
Former and later two sides of armored cassette (5) are all connected with fixed frame (7) by socket head cap screw (8), fixed frame (7) is the rectangular slab with center rectangle groove (7-3), respectively there is a manhole at rectangle 4 angles of fixed frame (7), with oblong openings (7-2) on the bottom surface of rectangle groove (7-3), window cover plate (14) is housed in rectangle groove (7-3), window cover plate (14) is rectangular slab, window cover plate (14) and armored cassette (5) close contact, the lower right corner of the leading flank of armored cassette (5) is connected with exhaust tube (15), and exhaust tube (15) is cylinder, a bar cover (2) is respectively installed in the circular open (5-4) of two sides, left and right of armored cassette (5), bar cover (2) is the plectane with central circular through hole (2-3), along its circumference with annular groove (2-1), bar cover O-ring seal (9) is installed in annular groove (2-1), edge along manhole encloses annular boss (2-4) with one, annular boss (2-4) and annular groove (2-1) the same side in bar cover (2), annular boss (2-4) and circular open (5-4) clearance fit, this side of bar cover (2) and the side close contact of armored cassette (5), with annular groove (2-2) on the face of cylinder of manhole (2-3), rod seal circle (10) is installed in annular groove (2-2), manhole (2-3) coaxial line of two the bar covers (2) in left and right, in the manhole (2-3) on left side bar cover (2), transmission bar (1) is installed, in the manhole (2-3) on the right bar cover (2), incident bar (11) is installed,
The slender cylinder that transmission bar (1) and incident bar (11) they are equal diameters, transmission bar (1) and incident bar (11) coaxial line; Explosive sample (6) is right cylinder, two end faces respectively with transmission bar (1) and incident bar (11) close contact.
2. as claimed in claim 1 a kind of for explosive material Hopkinson bar test vacuum explosion-proof device, it is characterized in that, the oblong openings (5-3) of described armored cassette (5) front and back sides is equal with oblong openings (7-2) size of fixed frame (7), the oblong openings (7-2) of fixed frame (7) overlaps with oblong openings (5-3) position of armored cassette (5), two oblong openings (5-3) of front and back sides are measure-alike, and symmetrical about transmission bar (1) axis place vertical plane.
3. as claimed in claim 1 a kind of for explosive material Hopkinson bar test vacuum explosion-proof device, it is characterized in that, the right flank of the rectangular slab of described snubber assembly (12) contacts with the right flank of armored cassette (5), upper surface contacts with cover plate (4), and lower surface contacts with the bottom surface of armored cassette (5).
4. as claimed in claim 1 a kind of for explosive material Hopkinson bar test vacuum explosion-proof device, it is characterized in that, the length-diameter ratio of described explosive sample (6) is 1:1 ~ 2, explosive sample (6) with the diameter of incident bar (11) than being 1:1 ~ 2, and with incident bar (11) coaxial line.
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| CN201510266285.8A CN104897724B (en) | 2015-05-22 | 2015-05-22 | A kind of vacuum explosion-proof device tested for explosive material Hopkinson bar |
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| CN201510266285.8A CN104897724B (en) | 2015-05-22 | 2015-05-22 | A kind of vacuum explosion-proof device tested for explosive material Hopkinson bar |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198190A (en) * | 2016-07-06 | 2016-12-07 | 合肥工业大学 | A kind of Hopkinson pressure bar experiment sample collection device |
| CN106226176A (en) * | 2016-07-07 | 2016-12-14 | 中南大学 | Rock dynamic mechanical test device and method under underwater explosion loading effect |
| CN106290019A (en) * | 2016-10-14 | 2017-01-04 | 安徽理工大学 | Protection works failure test system and method under a kind of thump effect |
| CN107356487A (en) * | 2017-08-22 | 2017-11-17 | 中国工程物理研究院化工材料研究所 | High overload loading device based on stress wave multiple reflections under high explosive effect |
| CN108303646A (en) * | 2018-05-03 | 2018-07-20 | 广东电网有限责任公司 | Portable divide-shut brake coil machinery force measuring device |
| CN108593173A (en) * | 2018-05-03 | 2018-09-28 | 广东电网有限责任公司 | Divide-shut brake coil machinery force measuring device |
| CN110748645A (en) * | 2019-10-28 | 2020-02-04 | 西安近代化学研究所 | Sealing device suitable for corrosive liquid |
| CN112213358A (en) * | 2020-10-19 | 2021-01-12 | 南京理工大学 | Test device for evaluating transportation safety of single-substance explosive in aqueous medium |
| CN112284599A (en) * | 2020-08-31 | 2021-01-29 | 四川航天川南火工技术有限公司 | Acceptance device and method for quantifying output power of flexible detonating cord |
| CN113049733A (en) * | 2021-03-11 | 2021-06-29 | 中国人民解放军63921部队 | Test device for testing dynamic mechanical property of energetic material |
| CN113376035A (en) * | 2021-06-19 | 2021-09-10 | 中国人民解放军国防科技大学 | Device and method for testing energy release of active material under different atmospheres |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020070658A1 (en) * | 2000-12-08 | 2002-06-13 | Jong-Han Lee | Shrinkage band and cathode ray tube comprising the same |
| CN202947939U (en) * | 2012-12-05 | 2013-05-22 | 北京理工大学 | Striking equivalent underwater explosion impact loading experiment testing device system |
-
2015
- 2015-05-22 CN CN201510266285.8A patent/CN104897724B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020070658A1 (en) * | 2000-12-08 | 2002-06-13 | Jong-Han Lee | Shrinkage band and cathode ray tube comprising the same |
| CN202947939U (en) * | 2012-12-05 | 2013-05-22 | 北京理工大学 | Striking equivalent underwater explosion impact loading experiment testing device system |
Non-Patent Citations (2)
| Title |
|---|
| P. BAILLY ET AL.: ""Dynamic behavior of an aggregate material at simultaneous high pressure and strain rate: SHPB triaxial tests"", 《INTERNATIONAL JOURNAL OF IMPACT ENGINEERING》 * |
| 李伟 等: ""大理岩动态劈裂拉伸的SHPB实验研究"", 《爆炸与冲击》 * |
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| CN106198190A (en) * | 2016-07-06 | 2016-12-07 | 合肥工业大学 | A kind of Hopkinson pressure bar experiment sample collection device |
| CN106226176B (en) * | 2016-07-07 | 2018-12-25 | 中南大学 | Underwater explosion loading acts on lower rock dynamic mechanical test method |
| CN106226176A (en) * | 2016-07-07 | 2016-12-14 | 中南大学 | Rock dynamic mechanical test device and method under underwater explosion loading effect |
| CN106290019A (en) * | 2016-10-14 | 2017-01-04 | 安徽理工大学 | Protection works failure test system and method under a kind of thump effect |
| CN106290019B (en) * | 2016-10-14 | 2021-02-26 | 安徽理工大学 | Protection engineering damage test system and method under strong impact action |
| CN107356487A (en) * | 2017-08-22 | 2017-11-17 | 中国工程物理研究院化工材料研究所 | High overload loading device based on stress wave multiple reflections under high explosive effect |
| CN107356487B (en) * | 2017-08-22 | 2023-05-02 | 中国工程物理研究院化工材料研究所 | High overload loading device based on stress wave multiple reflection under action of high explosive |
| CN108593173A (en) * | 2018-05-03 | 2018-09-28 | 广东电网有限责任公司 | Divide-shut brake coil machinery force measuring device |
| CN108303646A (en) * | 2018-05-03 | 2018-07-20 | 广东电网有限责任公司 | Portable divide-shut brake coil machinery force measuring device |
| CN110748645A (en) * | 2019-10-28 | 2020-02-04 | 西安近代化学研究所 | Sealing device suitable for corrosive liquid |
| CN110748645B (en) * | 2019-10-28 | 2022-02-22 | 西安近代化学研究所 | Sealing device suitable for corrosive liquid |
| CN112284599A (en) * | 2020-08-31 | 2021-01-29 | 四川航天川南火工技术有限公司 | Acceptance device and method for quantifying output power of flexible detonating cord |
| CN112284599B (en) * | 2020-08-31 | 2022-04-22 | 四川航天川南火工技术有限公司 | Acceptance device and method for quantifying output power of flexible detonating cord |
| CN112213358A (en) * | 2020-10-19 | 2021-01-12 | 南京理工大学 | Test device for evaluating transportation safety of single-substance explosive in aqueous medium |
| CN112213358B (en) * | 2020-10-19 | 2023-07-25 | 南京理工大学 | Test device for evaluating transportation safety of simple substance explosive in aqueous medium |
| CN113049733A (en) * | 2021-03-11 | 2021-06-29 | 中国人民解放军63921部队 | Test device for testing dynamic mechanical property of energetic material |
| CN113376035A (en) * | 2021-06-19 | 2021-09-10 | 中国人民解放军国防科技大学 | Device and method for testing energy release of active material under different atmospheres |
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| CN104897724B (en) | 2017-08-08 |
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