CN105203245B - Pressure test device installation method at a kind of lower different depth of explosive wastewater impact - Google Patents
Pressure test device installation method at a kind of lower different depth of explosive wastewater impact Download PDFInfo
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- CN105203245B CN105203245B CN201510573747.0A CN201510573747A CN105203245B CN 105203245 B CN105203245 B CN 105203245B CN 201510573747 A CN201510573747 A CN 201510573747A CN 105203245 B CN105203245 B CN 105203245B
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Abstract
The invention discloses a kind of explosive wastewater to impact pressure test device installation method at lower different depth, this method will be tested each component and is fixed with test bracket, ensure the reliable location of each component, powder column to be measured, manganese-copper piezoresistance sensor, dividing plate, loading powder column, plane wave generator, booster explosive are placed between bottom plate and upper mounted plate by order from bottom to top, jam-packed is carried out using screw rod and nut to fix, and is made between each component without the air gap.This method is applied to the installation of pressure test device at the lower different depth of various explosive wastewaters impact, and reliable stationary positioned, the accuracy of guarantee test measurement result are carried out to each component.
Description
Technical field
The invention belongs to explosive wastewater technical field, and in particular to pressure test dress at a kind of lower different depth of explosive wastewater impact
Installation method is put, this method realizes the reliable location for testing each component using cheap, easy mode.
Background technology
Research explosive wastewater Impact Initiation and growth process have to the security of explosive wastewater, reliability and formula design
Important directive significance.Explosive wastewater belongs to dynamics of detonation category from low pressure Impact Initiation to the overall process for forming stable state detonation,
It is an important directions in detonation field, and pressure measxurement of the explosive wastewater under impact at different depth is the main of the research
Method.The pressure measxurement impacted to explosive wastewater at lower different depth domestic at present does not have test device and the installation of relevant criterion
Method.Method described in existing literature is all that will test each component successively to be stacked, and is combined by its own gravity one
Rise, have the following disadvantages：
(1) there is potential safety hazard, detonator, booster explosive, plane wave generator, loading powder column, dividing plate, medicine to be measured in experiment assembling
Post, sensor etc. are simply superimposed, and each contact surface can be freely movable, easily topples in assembling process, dangerous；
(2) sensor contacts not close with powder column to be measured, the air gap be present, influences measurement result；
(3) each element coaxial heart can not be ensured, if especially the non-sensitive part of sensor is not in the centre bit of powder column to be measured
Put, then measurement result can be influenceed by lateral rarefaction wave；
(4) measurement apparatus, which is grounded, causes signal to be not easy interpretation, when multi-channel measurement is carried out in same system, due to sensing
Device can produce strong interference signal after being destroyed by lateral rarefaction wave, " altogether " output of pulsed constant current supply causes interference each other tight
Weight, the error signals such as signal leading edge variation, amplitude exception and opposite polarity just occur.
Therefore, it is necessary to establish pressure test device installation side at a kind of lower different depth of simple and feasible explosive wastewater impact
Method, the reliable location of each component is realized, precondition is provided for the accurate measurement of pressure.
The content of the invention
For above-mentioned the shortcomings of the prior art, it is an object of the present invention to provide a kind of explosive wastewater to impact lower difference
Depth pressure test device installation method, this method will test each component be placed sequentially in upper mounted plate and bottom plate it
Between, carry out jam-packed using screw rod and nut and fix, reliable stationary positioned is carried out to each component, while ensure nothing between each component
The air gap, it ensure that the accuracy of test measurement result.
In order to realize above-mentioned task, the present invention takes following technical solution：
Pressure test device installation method at a kind of lower different depth of explosive wastewater impact, it is characterised in that this method will be tried
Test each component location test support is fixed with test bracket and be made up of upper mounted plate, bottom plate, screw rod and nut；It is to be measured
Powder column, manganese-copper piezoresistance sensor, dividing plate, loading powder column, plane wave generator, booster explosive are placed on down by order from bottom to top
Between fixed plate and upper mounted plate, carry out jam-packed using screw rod and nut and fix, make between each component without the air gap；Triggering is visited
Pin is located at the bottom of plane wave generator；A manhole is left among upper mounted plate, detonator is arranged on propagation of explosion through the hole
On medicine；Upper mounted plate leaves screwed hole with bottom plate both ends, and screw rod is fixed after passing through screwed hole with nut；Powder column to be measured
The explosive wastewater tablet for being 1mm~10mm for multiple thickness is formed by stacking, and embedded one is passed through insulation-encapsulated between each two tablet
Manganese-copper piezoresistance sensor；Upper mounted plate is plank, and bottom plate is aluminium sheet, and screw rod and nut material are No. 45 steel, screw rod and
Bottom plate surface spraying insulated paint；
Specifically follow these steps to carry out：
Step 1, with whether have in the manganese-copper piezoresistance sensor of more than 10 times lens examination insulation-encapsulateds bubble, impurity and
The problems such as damaged, if unqualified should change in time；
Step 2, the surface of powder column to be measured is polished using abrasive paper for metallograph more than 2000 mesh, then clamped with tweezers
Absorbent cotton wipes to the surface of powder column to be measured；
Step 3, screw rod passes through the screwed hole of bottom plate, and bottom is fixed with nut, and the nut at both ends is in same
Level height；
Step 4, powder column to be measured is placed on to the center of bottom plate, all tablets keep concentric, each two medicine
A manganese-copper piezoresistance sensor is placed between piece, the non-sensitive part of manganese-copper piezoresistance sensor is in powder column axis centre position to be measured
Put；
Step 5, by dividing plate, loading powder column, plane wave generator, booster explosive be placed sequentially in from bottom to top powder column to be measured it
On, and dividing plate, loading powder column, plane wave generator, booster explosive is kept concentric with powder column to be measured；
Step 6, triggering probe is pressed in the bottom of plane wave generator；
Step 7, upper mounted plate is fixed on booster explosive by screw rod, using torque wrench with 50Nm~100N
M moment of torsion tightens nut, and makes circular hole alignment booster explosive center among upper mounted plate；
Step 8, detonator is arranged on booster explosive through circular hole among upper mounted plate.
Beneficial effects of the present invention are embodied in the following aspects：
1) using test bracket to detonator, booster explosive, plane wave generator, loading powder column, dividing plate, powder column to be measured, sensing
The components such as device are reliably fixed, and will not be shifted over or be toppled over equivalent risk；
2) using nut and screw rod by each component jam-packed, ensure between each component without the air gap；
3) positioning is fixed to each component, and uses torque wrench to tighten two end nuts with identical moment of torsion, make both ends
Stress balance, it is ensured that each element coaxial heart；
4) using test bracket by the device hang in atmosphere, upper mounted plate using insulation plank, screw rod with it is lower solid
Fixed board surface carries out insulation processing, prevents from contacting with perimeter conductive medium and causes short circuit, and without ground connection, avoids mutual
Signal interference.
Brief description of the drawings
Fig. 1 is the position relationship schematic diagram for testing each part.
Fig. 2 is pressure test curve at the lower different depth of GUHL-2 explosives impact.
Below in conjunction with the accompanying drawings and the embodiment that provides of inventor the present invention is described in further detail.
Embodiment
Referring to Fig. 1, pressure test device installation method at a kind of lower different depth of explosive wastewater impact, this method will be tested each
Positioning is fixed with test bracket in component, and test bracket is made up of upper mounted plate 1, bottom plate 11, screw rod 10 and nut 12；
Powder column 9 to be measured, manganese-copper piezoresistance sensor 8, dividing plate 7, loading powder column 6, plane wave generator 4, booster explosive 3 are by time from bottom to top
Sequence is placed between bottom plate 11 and upper mounted plate 1, and carrying out jam-packed using screw rod 10 and nut 12 fixes, and is made between each component
Without the air gap；Triggering probe 5 is located at the bottom of plane wave generator 4；A manhole, thunder are left among upper mounted plate 1
Pipe 2 is arranged on booster explosive 3 through the hole；Upper mounted plate 1 leaves screwed hole with the both ends of bottom plate 11, and screw rod 10 passes through screw thread
Kong Houyong nuts 12 are fixed；Powder column 9 to be measured is that the explosive wastewater tablet that multiple thickness are 1mm~10mm is formed by stacking, every two
An embedded manganese-copper piezoresistance sensor 8 Jing Guo insulation-encapsulated between individual tablet；
Specifically follow these steps to carry out：
With whether having bubble, impurity and breakage in the manganese-copper piezoresistance sensor 8 of more than 10 times lens examination insulation-encapsulateds
The problems such as, if unqualified should change in time；
The surface of powder column 9 to be measured is polished using abrasive paper for metallograph more than 2000 mesh, then clamps degreasing with tweezers
Cotton wipes to the surface of powder column 9 to be measured；
Screw rod 10 passes through the screwed hole of bottom plate 11, and bottom nut 12 is fixed, and the nut 12 at both ends is in same
The level height of sample；
Powder column 9 to be measured is placed on to the center of bottom plate 11, all tablets keep concentric, each two tablet it
Between place a manganese-copper piezoresistance sensor 8, the non-sensitive part of manganese-copper piezoresistance sensor 8 is in the axis centre position of powder column 9 to be measured
Put；
By dividing plate 7, loading powder column 6, plane wave generator 4, booster explosive 3 be placed sequentially in from bottom to top powder column 9 to be measured it
On, and dividing plate 7, loading powder column 6, plane wave generator 4, booster explosive 3 is kept concentric with powder column 9 to be measured；
Triggering probe 5 is pressed in the bottom of plane wave generator 4；
Upper mounted plate 1 is fixed on booster explosive 3 by screw rod 10, using torque wrench with 50Nm~100Nm
Moment of torsion tighten nut 12, and make 1 middle circular hole of upper mounted plate alignment booster explosive 3 center；
Detonator 2 is arranged on booster explosive 3 through 1 middle circular hole of upper mounted plate.
It is the specific embodiment that inventor provides below.
Embodiment 1：
The present embodiment is the installation method of pressure test device at the lower different depth of GUHL-2 explosives impact, medicine to be measured used
Post 9 is formed by stacking from top to bottom for 3 GUHL-2 tablets that thickness is respectively 7.06mm, 5.28mm, 2.70mm, each two tablet
Between an embedded manganese-copper piezoresistance sensor 8, its assembly method comprises the following steps：
1) with whether having bubble, impurity and breakage etc. in the manganese-copper piezoresistance sensor 8 of 10 times of lens examination insulation-encapsulateds
Problem, if unqualified should change in time；
2) surface of powder column 9 to be measured is polished using the abrasive paper for metallograph of 2000 mesh, then clamps absorbent cotton with tweezers
The surface of powder column 9 to be measured is wiped；
3) screw rod 10 passes through the screwed hole of bottom plate 11, and bottom nut 12 is fixed, and is in the nut 12 at both ends
Same level height；
4) GUHL-2 powder columns 9 are placed on to the center of bottom plate 11, all tablets keep concentric, each two medicine
A manganese-copper piezoresistance sensor 8 is placed between piece, the non-sensitive part of manganese-copper piezoresistance sensor 8 is in the axis of GUHL-2 powder columns 9
Center；
5) dividing plate 7, loading powder column 6, plane wave generator 4, booster explosive 3 are placed sequentially in GUHL-2 powder columns from bottom to top
On 9, and dividing plate 7, loading powder column 6, plane wave generator 4, booster explosive 3 and GUHL-2 powder columns 9 is set to keep concentric；
6) triggering probe 5 is pressed in the bottom of plane wave generator 4；
7) upper mounted plate 1 is fixed on booster explosive 3 by screw rod 10, twisted using torque wrench with 80Nm moment of torsion
Tight nut 12, and make 1 middle circular hole of upper mounted plate alignment booster explosive 3 center；
8) detonator 2 is arranged on booster explosive 3 through 1 middle circular hole of upper mounted plate.
The installation of pressure test device at the lower different depth of GUHL-2 explosives impact is carried out using aforesaid way, experiment obtains
Wavy curve at different depth is as shown in Figure 2.Through data processing, the pressure at different depth position is shown in Table 1.
Table 1
| Depth location/mm | 7.06 | 12.34 | 15.04 |
| Pressure/GPa | 12.2 | 12.7 | 15.3 |
Claims (2)
1. pressure test device installation method at a kind of lower different depth of explosive wastewater impact, it is characterised in that this method will be tested
Positioning is fixed with test bracket in each component, and test bracket is by upper mounted plate（1）, bottom plate（11）, screw rod（10）And spiral shell
It is female（12）Composition；Powder column to be measured（9）, manganese-copper piezoresistance sensor（8）, dividing plate（7）, loading powder column（6）, plane wave generator（4）、
Booster explosive（3）Bottom plate is placed on by order from bottom to top（11）With upper mounted plate（1）Between, utilize screw rod（10）And spiral shell
It is female（12）Carry out jam-packed to fix, make between each component without the air gap；Trigger probe（5）Positioned at plane wave generator（4）Bottom
Portion；Upper mounted plate（1）Leave a manhole, detonator in centre（2）Booster explosive is arranged on through the hole（3）On；Upper mounted plate
（1）With bottom plate（11）Leave screwed hole, screw rod in both ends（10）Nut is used after through screwed hole（12）It is fixed；Medicine to be measured
Post（9）The explosive wastewater tablet for being 1mm ~ 10mm for multiple thickness is formed by stacking, and embedded one is passed through insulation between each two tablet
The manganese-copper piezoresistance sensor of encapsulation（8）；
Specifically follow these steps to carry out：
Step 1, with the manganese-copper piezoresistance sensor of more than 10 times lens examination insulation-encapsulateds（8）Inside whether have bubble, impurity and
Damaging problem, if unqualified should change in time；
Step 2, using abrasive paper for metallograph more than 2000 mesh to powder column to be measured（9）Surface polished, then clamped with tweezers
Absorbent cotton is to powder column to be measured（9）Surface wiped；
Step 3, screw rod（10）Through bottom plate（11）Screwed hole, bottom nut（12）It is fixed, and make the nut at both ends
（12）In same level height；
Step 4, by powder column to be measured（9）It is placed on bottom plate（11）Center, all tablets keep concentric, each two
A manganese-copper piezoresistance sensor is placed between tablet（8）, make manganese-copper piezoresistance sensor（8）Non-sensitive part be in powder column to be measured
（9）Axis centre position；
Step 5, by dividing plate（7）, loading powder column（6）, plane wave generator（4）, booster explosive（3）It is placed sequentially in and treats from bottom to top
Survey powder column（9）On, and make dividing plate（7）, loading powder column（6）, plane wave generator（4）, booster explosive（3）With powder column to be measured（9）
Keep concentric；
Step 6, probe will be triggered（5）It is pressed in plane wave generator（4）Bottom；
Step 7, by upper mounted plate（1）Pass through screw rod（10）It is fixed on booster explosive（3）On, using torque wrench with 50Nm ~
100Nm moment of torsion tightens nut（12）, and make upper mounted plate（1）Middle circular hole is directed at booster explosive（3）Center；
Step 8, by detonator（2）Through upper mounted plate（1）Middle circular hole is arranged on booster explosive（3）On.
2. the method as described in claim 1, it is characterised in that described upper mounted plate（1）For plank, bottom plate（11）For
Aluminium sheet, screw rod（10）And nut（12）Material is No. 45 steel, screw rod（10）And bottom plate（11）Surface spraying insulated paint.
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| Application Number | Priority Date | Filing Date | Title |
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| CN106706704A (en) * | 2016-11-17 | 2017-05-24 | 中国工程物理研究院化工材料研究所 | Serial sealed combustor device and testing method of relationship of explosive combustion speed, and pressure and temperature |
| CN107632043B (en) * | 2017-09-20 | 2020-05-05 | 西安近代化学研究所 | Device and method for testing weak impact ignition threshold of explosive |
| CN107655936B (en) * | 2017-09-20 | 2020-05-05 | 西安近代化学研究所 | Booster critical ignition pressure measuring device |
| CN108279085B (en) * | 2018-04-02 | 2020-03-10 | 中北大学 | Pressure sensor array and pressure wave test system |
| CN108732047A (en) * | 2018-08-31 | 2018-11-02 | 中国人民解放军军事科学院国防工程研究院 | The measuring device and its measurement method of stress wave are fried in a kind of concrete target implosion |
| CN109357807B (en) * | 2018-09-17 | 2020-11-13 | 北京理工大学 | System and method for testing pressure in concrete target under ultra-high speed penetration condition |
| CN111024155B (en) * | 2019-12-09 | 2021-07-27 | 西安近代化学研究所 | System for testing stimulation amount of explosive vibration mixing process |
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| CN102253083B (en) * | 2011-05-07 | 2013-03-06 | 西安近代化学研究所 | Detonation performance test method for high-energy imploding explosive |
| CN103412107B (en) * | 2013-05-24 | 2016-03-02 | 西安近代化学研究所 | Nonideal explosive work capacity measurement mechanism |
| CN104596870B (en) * | 2015-02-12 | 2017-04-12 | 西安近代化学研究所 | Device and method for measuring pressure of shock waves in concrete medium |
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