CN102081104A - Device and method for measuring detonating velocity of explosive - Google Patents
Device and method for measuring detonating velocity of explosive Download PDFInfo
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- CN102081104A CN102081104A CN 201010561230 CN201010561230A CN102081104A CN 102081104 A CN102081104 A CN 102081104A CN 201010561230 CN201010561230 CN 201010561230 CN 201010561230 A CN201010561230 A CN 201010561230A CN 102081104 A CN102081104 A CN 102081104A
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Abstract
The invention discloses a device for measuring the detonating velocity of explosive. The device comprises a detonating velocity meter, a signal forming circuit connected with the detonating velocity meter, a base plate, an explosive frame arranged on the base plate and used for placing the explosive, a continuous probe arranged on the surface of the explosive, a detonator arranged in the explosive frame, and an exploder connected with the detonator through an explosion initiation line; and the continuous probe consists of a fixed plate, a plurality of supporting objects which are uniformly fixed on the fixed plate in a line, and sensing elements winding on the supporting objects. The invention also discloses a method for measuring the detonating velocity by using the device for measuring the detonating velocity of the explosive. The method for measuring the detonating velocity is simple and practical, and a plurality of groups of data and continuous detonating velocities in the whole explosive detonation are measured, so that the change condition of the detonating velocity is reflected.
Description
Technical field
The invention belongs to the explosion velocity of explosive field of measuring technique, be specifically related to a kind of explosion velocity of explosive measurement mechanism and measuring method.
Background technology
Exploding compound is a kind of novel processing technology that produces in the blast manufacture field, is mainly used in the large tracts of land welding that realizes stainless steel, non-ferrous metal, rare metal and low alloy steel, stainless steel, carbon steel or other materials, obtains laminated-metal composite.This kind compound substance plied timber has corrosion-resistant, high temperature resistant, and the is wear-resisting premium properties of Denging, parent metal has favorable mechanical performance and processing characteristics simultaneously.So just can save a large amount of stainless steels, non-ferrous metal, rare metal.Along with the continuous development of industry, this kind compound substance has been widely used in industries such as chemical industry, pharmacy, smelting.
The topmost operation compound working procedure that explodes exactly in this kind composite material manufacturing process, blast compound working procedure have directly determined the success or failure and quality of this compound substance.And in the blast recombination process, the explosion velocity of explosive and situation of change thereof are the key factors that influences its success or failure quality, play a decisive role.But the explosion velocity and the detonation process detonation explosion velocity measuring method thereof of explosive mainly contain tester method and primacord fuse method at present, and the tester method is to measure the explosion velocity of the powder stick of Φ 32mm or Φ 35mm, and the primacord fuse method also mainly is to measure the explosion velocity of powder stick form.And the explosion velocity of explosive has very big-difference in explosion velocity that these two kinds of methods record and the blast recombination process, can't embody actual explosion velocity and the explosion velocity situation of change of explosion velocity of explosive in the blast recombination process, is that the explosion velocity that is not suitable for the blast binary explosive is measured.
Summary of the invention
Technical matters to be solved by this invention is to provide explosion velocity of explosive measurement mechanism a kind of simple in structure, reasonable in design, cheap for manufacturing cost at above-mentioned deficiency of the prior art.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of explosion velocity of explosive measurement mechanism, comprise detonation velocity meter and the waveshaping circuit that is connected with detonation velocity meter, it is characterized in that: also comprise backing plate, be installed on the medicine frame that is used for placing explosive on the backing plate, place the continuous type probe on explosive surface and place the detonator of medicine frame, and the initiator that is connected with detonator by detonating cord; Described continuous type probe is by fixed head, evenly be fixed in a plurality of stilts that are in line on the fixed head and are provided with, form with the sensing element that is wrapped on the stilt, a side that is positioned at each stilt on the described fixed mount all has through hole, described sensing element passes the described through hole frame that is fixed and is divided into upper and lower two parts, the bottom of described sensing element places in the explosive, and the top of described sensing element is wrapped on the stilt, and is connected with waveshaping circuit.
Described sensing element is screwed in together by two enameled wires middle part and forms, and one is connected with waveshaping circuit by signal wire in the enameled wire on described sensing element top, and another root is connected with ground wire on the waveshaping circuit.
The present invention also provides a kind of explosion velocity of explosive measuring method, it is characterized in that, this method is: the medicine frame that explosive is placed described explosion velocity of explosive measurement mechanism, by initiator and cap sensitive explosive, measure time interval between the signal that adjacent two sensing elements provide on the continuous type probe with detonation velocity meter, try to achieve the average explosion velocity of explosive medicine section between these adjacent two sensing elements again according to the distance of these adjacent two sensing elements, the arithmetic mean of getting the average explosion velocity of each explosive medicine section is the average explosion velocity of this explosive.
The medicine height of described explosive is 30mm.
The present invention compared with prior art has the following advantages:
1, the present invention is a foundation with tester method principle, has designed a kind of explosion velocity of explosive measurement mechanism, and has set up a kind of novel explosion velocity measuring method.
2, apparatus structure of the present invention is simple, and is reasonable in design, cheap for manufacturing cost, extremely is applicable to the compound explosion velocity measurement with explosive of blast.
3, measuring method of the present invention is simple and practical, can not only once record multi-group data, and what record is continuous detonation velocity in the whole detonation process of explosive, thereby has reflected the situation of change of explosion velocity.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the structural representation of apparatus of the present invention.
Fig. 2 is the structural representation of continuous type probe in apparatus of the present invention.
Description of reference numerals:
The 1-detonation velocity meter; The 2-waveshaping circuit; The 3-backing plate;
4-medicine frame; 5-continuous type probe; The 5-1-fixed head;
The 5-2-stilt; The 5-3-sensing element; The 6-explosive;
The 7-detonator; The 8-detonating cord; The 9-initiator;
The 10-signal wire; The 11-ground wire.
Embodiment
Embodiment 1
A kind of explosion velocity of explosive measurement mechanism as depicted in figs. 1 and 2, comprise detonation velocity meter 1, with the waveshaping circuit 2 that is connected with detonation velocity meter 1, also comprise backing plate 3, be installed on the medicine frame 4 that is used for placing explosive 6 on the backing plate 3, place the continuous type probe 5 on explosive 6 surfaces and place the detonator 7 of medicine frame 4, and the initiator 9 that is connected with detonator 7 by detonating cord 8; Described continuous type probe 5 is by fixed head 5-1, evenly be fixed in a plurality of stilt 5-2 that are in line on the fixed head 5-1 and are provided with, form with the sensing element 5-3 that is wrapped on the stilt 5-2, a side that is positioned at each stilt 5-2 on the described fixed mount 5-1 all has through hole, described sensing element 5-3 passes the described through hole frame 5-1 that is fixed and is divided into upper and lower two parts, the bottom of described sensing element 5-3 places in the explosive 6, the top of described sensing element 5-3 is wrapped on the stilt 5-2, and is connected with waveshaping circuit 2.
In the present embodiment, described sensing element 5-3 is screwed in together by two enameled wires middle part and forms, and one is connected with waveshaping circuit 2 by signal wire 10 in the enameled wire on described sensing element 5-3 top, and another root is connected with ground wire 11 on the waveshaping circuit 2.
A kind of explosion velocity of explosive measuring method: the medicine frame 4 that explosive 6 is placed described explosion velocity of explosive measurement mechanism, by initiator 9 and detonator 7 fired charges 6, when first sensing element 5-3 on the detonation wave arrival continuous type probe 5, sensing element 5-3 the high temperature that is accompanied by detonation wave front and (or) high pressure, ionization, under the effect of effect such as luminous, the information that the perception detonation wave arrives, and be transformed into electric signal by waveshaping circuit, measure the time interval t between two signals that provide by first sensing element on the continuous type probe 5 and second sensing element with detonation velocity meter 1, just can try to achieve average explosion velocity D in this explosive medicine section according to the distance of two sensing elements again, along with detonation is carried out, just can try to achieve the average explosion velocity of each explosive medicine section, the arithmetic mean of getting the average explosion velocity of each explosive medicine section is the average explosion velocity of this explosive.
The one group of explosion velocity of explosive measurement result that adopts explosion velocity of explosive measurement mechanism of the present invention and measuring method to measure is as shown in the table:
Table 1 explosion velocity of explosive measurement data
As can be seen from Table 1, adopt explosion velocity of explosive measurement mechanism of the present invention and measuring method once can record multi-group data, make data more accurate, and explosion velocity quick-fried situation of change from detonating to putting out as can be seen, the compound actual available reference data that provides of exploding is provided.
The above; it only is preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, everyly any simple modification that above embodiment did, change and equivalent structure changed, all still belong in the protection domain of technical solution of the present invention according to the technology of the present invention essence.
Claims (4)
1. explosion velocity of explosive measurement mechanism, comprise detonation velocity meter (1) and the waveshaping circuit (2) that is connected with detonation velocity meter (1), it is characterized in that: also comprise backing plate (3), be installed on the medicine frame (4) that is used for placing explosive (6) on the backing plate (3), place the continuous type probe (5) on explosive (6) surface and place the detonator (7) of medicine frame (4), and pass through the initiator (9) that detonating cord (8) is connected with detonator (7); Described continuous type probe (5) is by fixed head (5-1), evenly be fixed in a plurality of stilts (5-2) that are in line on the fixed head (5-1) and are provided with, form with the sensing element (5-3) that is wrapped on the stilt (5-2), a side that is positioned at each stilt (5-2) on the described fixed mount (5-1) all has through hole, described sensing element (5-3) passes the described through hole frame (5-1) that is fixed and is divided into, following two parts, the bottom of described sensing element (5-3) places in the explosive (6), the top of described sensing element (5-3) is wrapped on the stilt (5-2), and is connected with waveshaping circuit (2).
2. according to the described a kind of explosion velocity of explosive measurement mechanism of claim 1, it is characterized in that: described sensing element (5-3) is screwed in together by two enameled wire middle parts and forms, one is connected with waveshaping circuit (2) by signal wire (10) in the enameled wire on described sensing element (5-3) top, and another root is connected with ground wire (11) on the waveshaping circuit (2).
3. the method that explosion velocity of explosive is measured is installed in an employing according to claim 1, it is characterized in that, this method is: the medicine frame (4) that explosive (6) is placed described explosion velocity of explosive measurement mechanism, by initiator (9) and detonator (7) fired charge (6), measure time interval between the signal that continuous type probe (5) last adjacent two sensing elements (5-3) provide with detonation velocity meter (1), try to achieve the average explosion velocity of explosive medicine section between these adjacent two sensing elements (5-3) again according to the distance of these adjacent two sensing elements (5-3), the arithmetic mean of getting the average explosion velocity of each explosive medicine section is the average explosion velocity of this explosive.
4. according to the described a kind of explosion velocity of explosive measuring method of claim 3, it is characterized in that the medicine height of described explosive (6) is 30mm.
Priority Applications (1)
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| CN 201010561230 CN102081104A (en) | 2010-11-26 | 2010-11-26 | Device and method for measuring detonating velocity of explosive |
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| CN 201010561230 CN102081104A (en) | 2010-11-26 | 2010-11-26 | Device and method for measuring detonating velocity of explosive |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608347A (en) * | 2011-08-24 | 2012-07-25 | 薛世忠 | Detonation velocity instrument, detonation velocity measurement method and detonation velocity measurement system |
| CN103257248A (en) * | 2013-06-05 | 2013-08-21 | 四川雅化实业集团工程爆破有限公司 | Device for detecting explosive detonation velocity in blast hole |
| CN103267604A (en) * | 2013-04-28 | 2013-08-28 | 河南科技大学 | Measuring device and method for comparing detonation power capacity of explosives |
| CN103630704A (en) * | 2013-11-27 | 2014-03-12 | 大连理工大学 | Continuous resistance wire probe and making method thereof |
| CN104034914A (en) * | 2014-05-26 | 2014-09-10 | 葛洲坝易普力股份有限公司 | Auxiliary device for measuring detonation velocity of emulsified explosive in blast hole |
| CN104764899A (en) * | 2015-03-23 | 2015-07-08 | 安徽理工大学 | Explosive detonation velocity test method |
| CN104793012A (en) * | 2015-04-13 | 2015-07-22 | 武汉科技大学 | Instrument for measuring explosive velocities |
| CN104965098A (en) * | 2015-07-03 | 2015-10-07 | 湖北东神天神实业有限公司 | Quick mounting apparatus for explosive explosion velocity probe |
| CN105547377A (en) * | 2016-03-10 | 2016-05-04 | 西安天力金属复合材料有限公司 | Testing method of sheet metal explosive welding dynamic parameters |
| CN105652029A (en) * | 2015-12-08 | 2016-06-08 | 安徽理工大学 | Explosive explosion speed test system and method thereof |
| CN105675795A (en) * | 2016-02-25 | 2016-06-15 | 中国工程物理研究院化工材料研究所 | Explosion valve cartridge case gunpowder combustion speed test method and device |
| CN105788428A (en) * | 2016-04-27 | 2016-07-20 | 中国矿业大学(北京) | System and method used for researching explosive stress wave interaction mechanism |
| CN106198263A (en) * | 2016-07-07 | 2016-12-07 | 宏大矿业有限公司 | Inner tube speed of expansion measurement apparatus and measuring method during a kind of metal tube Explosion composite |
| CN108519494A (en) * | 2018-04-11 | 2018-09-11 | 安徽理工大学 | A kind of multistage laser method for surveying explosive charge acceleration and speed |
| CN109406748A (en) * | 2018-08-29 | 2019-03-01 | 四川航天川南火工技术有限公司 | A kind of modularization explosive wastewater burn rate explosion velocity measuring system |
| CN111288913A (en) * | 2020-03-26 | 2020-06-16 | 西北核技术研究院 | Non-contact measurement method and system for deformation of double-layer cylinder under internal explosion effect |
| CN115468462A (en) * | 2022-09-22 | 2022-12-13 | 南京理工大学 | Detonation velocity measuring method for small-size explosive based on thick-wall round pipe |
| CN115823973B (en) * | 2022-11-28 | 2024-04-30 | 北京理工大学 | Multi-probe positioning and collecting device for testing detonation growth and testing method |
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608347A (en) * | 2011-08-24 | 2012-07-25 | 薛世忠 | Detonation velocity instrument, detonation velocity measurement method and detonation velocity measurement system |
| CN102608347B (en) * | 2011-08-24 | 2015-10-28 | 薛世忠 | Detonation velocity meter, explosion velocity measuring method and explosion velocity measuring system |
| CN103267604A (en) * | 2013-04-28 | 2013-08-28 | 河南科技大学 | Measuring device and method for comparing detonation power capacity of explosives |
| CN103267604B (en) * | 2013-04-28 | 2015-04-01 | 河南科技大学 | Measuring device and method for comparing detonation power capacity of explosives |
| CN103257248A (en) * | 2013-06-05 | 2013-08-21 | 四川雅化实业集团工程爆破有限公司 | Device for detecting explosive detonation velocity in blast hole |
| CN103630704A (en) * | 2013-11-27 | 2014-03-12 | 大连理工大学 | Continuous resistance wire probe and making method thereof |
| CN104034914A (en) * | 2014-05-26 | 2014-09-10 | 葛洲坝易普力股份有限公司 | Auxiliary device for measuring detonation velocity of emulsified explosive in blast hole |
| CN104764899A (en) * | 2015-03-23 | 2015-07-08 | 安徽理工大学 | Explosive detonation velocity test method |
| CN104793012A (en) * | 2015-04-13 | 2015-07-22 | 武汉科技大学 | Instrument for measuring explosive velocities |
| CN104965098A (en) * | 2015-07-03 | 2015-10-07 | 湖北东神天神实业有限公司 | Quick mounting apparatus for explosive explosion velocity probe |
| CN105652029B (en) * | 2015-12-08 | 2018-11-06 | 安徽理工大学 | Explosive charge speed testing system and method |
| CN105652029A (en) * | 2015-12-08 | 2016-06-08 | 安徽理工大学 | Explosive explosion speed test system and method thereof |
| CN105675795A (en) * | 2016-02-25 | 2016-06-15 | 中国工程物理研究院化工材料研究所 | Explosion valve cartridge case gunpowder combustion speed test method and device |
| CN105675795B (en) * | 2016-02-25 | 2017-06-06 | 中国工程物理研究院化工材料研究所 | Explosive valve cartridge case combustion rate of powder method of testing and device |
| CN105547377A (en) * | 2016-03-10 | 2016-05-04 | 西安天力金属复合材料有限公司 | Testing method of sheet metal explosive welding dynamic parameters |
| CN105788428A (en) * | 2016-04-27 | 2016-07-20 | 中国矿业大学(北京) | System and method used for researching explosive stress wave interaction mechanism |
| CN105788428B (en) * | 2016-04-27 | 2018-04-10 | 中国矿业大学(北京) | For studying the system and method for Explosive stress wave interaction mechanism |
| CN106198263A (en) * | 2016-07-07 | 2016-12-07 | 宏大矿业有限公司 | Inner tube speed of expansion measurement apparatus and measuring method during a kind of metal tube Explosion composite |
| CN108519494A (en) * | 2018-04-11 | 2018-09-11 | 安徽理工大学 | A kind of multistage laser method for surveying explosive charge acceleration and speed |
| CN109406748A (en) * | 2018-08-29 | 2019-03-01 | 四川航天川南火工技术有限公司 | A kind of modularization explosive wastewater burn rate explosion velocity measuring system |
| CN109406748B (en) * | 2018-08-29 | 2021-08-10 | 四川航天川南火工技术有限公司 | Modular explosive burning speed and detonation velocity measuring system |
| CN111288913A (en) * | 2020-03-26 | 2020-06-16 | 西北核技术研究院 | Non-contact measurement method and system for deformation of double-layer cylinder under internal explosion effect |
| CN115468462A (en) * | 2022-09-22 | 2022-12-13 | 南京理工大学 | Detonation velocity measuring method for small-size explosive based on thick-wall round pipe |
| CN115468462B (en) * | 2022-09-22 | 2023-06-27 | 南京理工大学 | Explosion velocity measuring method for small-size charge based on thick-wall round tube |
| CN115823973B (en) * | 2022-11-28 | 2024-04-30 | 北京理工大学 | Multi-probe positioning and collecting device for testing detonation growth and testing method |
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Application publication date: 20110601 |