CN216081851U - Tunnel type comprehensive test system for explosive shock waves generated by destroying waste explosives - Google Patents
Tunnel type comprehensive test system for explosive shock waves generated by destroying waste explosives Download PDFInfo
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- CN216081851U CN216081851U CN202122529002.8U CN202122529002U CN216081851U CN 216081851 U CN216081851 U CN 216081851U CN 202122529002 U CN202122529002 U CN 202122529002U CN 216081851 U CN216081851 U CN 216081851U
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- 239000002360 explosive Substances 0.000 title claims abstract description 32
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 239000002699 waste material Substances 0.000 title claims abstract description 18
- 230000006378 damage Effects 0.000 claims abstract description 24
- 238000005422 blasting Methods 0.000 claims abstract description 22
- 238000004880 explosion Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
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Abstract
The utility model relates to the technical field of unexplosive explosive destruction, in particular to a tunnel type comprehensive test system for explosive shock wave in waste explosive destruction, which comprises: a plurality of pressure sensors disposed in the roadway at a predetermined interval from the blast point; and the data acquisition component is in signal connection with the pressure sensors and is used for receiving the blasting shock wave data acquired by the pressure sensors. The utility model sets a plurality of pressure sensors in the preset range from the blasting point, reflects the pressure value in the air when the blasting shock wave passes through the pressure sensors, and forms an air shock wave test system by using the cooperation of the data acquisition instrument and the sensors, so that the obtained shock wave data is accurate and convenient, the workload is small, the peak value, the attenuation amount and the like of the shock wave at different distances can be calculated, and the peak value, the attenuation amount and the like are matched with the blasting equivalent weight, so that the safe distances under different blasting equivalent weights can be obtained, and the blasting destruction work can be favorably carried out.
Description
Technical Field
The utility model relates to the technical field of unexplosive explosive destruction, in particular to a roadway type comprehensive test system for explosive shock wave in waste explosive destruction.
Background
In the development, transformation and extension processes of urban and rural infrastructure in recent years, waste ammunition which is left in war ages is often dug out, and the grenades mainly comprise hand grenades, aviation bombs, mortar bombs, grenades and the like. These used ammunition generally have the characteristics of long time, serious rust, local damage, complex variety, difficult identification, unstable performance, increased sensitivity, weakened or invalid insurance and the like. Because the TNT explosive or the mixed explosive mainly comprising the TNT explosive has stable property and long effective storage life, the TNT explosive still has explosion danger even if being stored for decades.
In China, the explosion method is the best method for disposing various waste explosives and powders, particularly waste shells and aeronautical bombs. The ammunition is treated by an explosion method, and then the explosive in the ammunition body is thoroughly destroyed. Under the condition of standard operation, the subsequent operation danger to workers is small. Because the old and useless shell is often dug out at some construction sites, for safe, effectual processing, because mine tunnel country rock is comparatively firm, and to the little region of mine production influence, possess independent advance, return air system, can in time discharge poisonous and harmful gas after guaranteeing the destruction blasting of old and useless shell, consequently, handle in the gallery of mine and have certain safety advantage.
The overpressure of the explosion air shock wave in the underground tunnel can damage nearby tunnel structures and affect personnel, and the test of the overpressure of the shock wave is favorable for determining the equivalent weight of the explosive to be destroyed once, and the safe distance between the personnel and facilities.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tunnel type comprehensive test system for explosive shock waves generated by destroying waste explosives, which comprises:
a plurality of pressure sensors disposed in the roadway at a predetermined interval from the blast point;
the data acquisition component is in signal connection with the pressure sensors and is used for receiving the blasting shock wave data acquired by the pressure sensors;
the pressure sensors are arranged on the sensor bracket, the direction of the pressure sensors is parallel to the ground and faces to the direction of shock wave transmission, and the distance between every two pressure sensors is equal along the direction of shock wave transmission.
Preferably, the distance between the sensor closest to the explosion point and the explosion point is a, and the distance between the adjacent pressure sensors is also a.
Preferably, the pressure sensor is arranged at a height of 1.5m from the ground.
Preferably, the pressure sensors are arranged at equal intervals of 5, and are respectively 20m, 40m, 60m, 80m and 100m away from the explosion point.
Preferably, the pressure sensor comprises a piezoelectric lead pen pressure sensor.
Preferably, the data acquisition component comprises a data acquisition instrument, and the sampling rate of the data acquisition instrument is greater than 1 MHz.
Preferably, a counterweight plate is arranged at the bottom of the sensor support.
Preferably, the sensor support is provided with a sensor jacket for clamping the pressure sensor and adjusting the height and angle of the pressure sensor.
Compared with the prior art, the utility model has the advantages that:
the utility model sets a plurality of pressure sensors in the preset range from the blasting point, reflects the pressure value in the air when the blasting shock wave passes through the pressure sensors, and forms an air shock wave test system by using the cooperation of the data acquisition instrument and the sensors, so that the obtained shock wave data is accurate and convenient, the workload is small, the peak value, the attenuation amount and the like of the shock wave at different distances can be calculated, and the peak value, the attenuation amount and the like are matched with the blasting equivalent weight, so that the safe distances under different blasting equivalent weights can be obtained, and the blasting destruction work can be favorably carried out.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present disclosure unless such concepts are mutually inconsistent. In addition, all combinations of claimed subject matter are considered a part of the inventive subject matter of this disclosure.
The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of specific embodiments in accordance with the teachings of the present invention.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a roadway type comprehensive test system for explosive shock waves generated by destroying waste explosives, which is disclosed by the utility model;
fig. 2 is a schematic view of the structure of the sensor holder according to the present invention.
Detailed Description
In order to better understand the technical content of the present invention, specific embodiments are described below with reference to the accompanying drawings.
In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the utility model. It should be understood that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways in any combination of tunnel-type waste explosives destruction blast wave integrated test systems, as the disclosed concepts and embodiments are not limited to any implementation. In addition, some aspects of the present disclosure may be used alone, or in any suitable combination with other aspects of the present disclosure.
In the present embodiment, and as shown in connection with fig. 1, the point of detonation of the destruction of spent ammunition is located in the roadway, wherein after the destruction of the detonation, the shock wave is transmitted along the roadway, and the overpressure of the shock wave may cause damage to nearby roadway structures in order to test the detonation air. The utility model provides a tunnel type comprehensive test system for explosion shock waves generated by destroying waste explosives, which mainly comprises a plurality of pressure sensors 1 and a data acquisition component 3.
Wherein, the explosion point 101 is arranged in the destruction field 100, and a plurality of pressure sensors 1 with preset intervals are arranged in a roadway 200 connected with the destruction field 100, so that after explosion and destruction, explosion shock waves are propagated along the air and can sequentially pass through the pressure sensors 1 in the roadway, and the pressure sensors acquire the change data of the gas pressure.
Further, the data acquisition component 3 is connected with the plurality of pressure sensor signals 1 through the data line 2, and is used for receiving the blasting shock wave data acquired by the pressure sensors 1.
In an alternative embodiment, pressure sensor 1 comprises a piezoelectric lead-pen pressure sensor. The data acquisition component 3 comprises a data acquisition instrument, and the sampling rate of the data acquisition instrument is greater than 1 MHz.
In an alternative embodiment, the pressure sensor 1 is a piezoelectric pressure sensor, model Kistler 6233AA 0500. And the matched Qishile KISTLER data acquisition instrument is used for acquiring pressure signals formed by explosion shock waves to the piezoelectric pressure sensor.
The shock wave generally enters the longitudinal axis direction of the lead pen type sensor, when the lead pen type sensor is met, the high-frequency short wave of the shock wave can generate distortion, the shock wave distortion generated by the plane sensitive surface of the sensor extending out of the cylindrical probe is greatly reduced, and the explosion shock wave can be measured more accurately.
Further, as shown in fig. 1-2, the pressure sensors 1 are disposed on the sensor support 11, and the direction of the pressure sensors 1 is parallel to the ground and toward the direction of the shock wave transmission, and the distance between each pressure sensor 1 is equal along the direction of the shock wave transmission.
So, the pressure that reflects shock wave and bring that can be more accurate to, through equidistant arranging, can carry out the contrast of data of gathering each other, reflect the decay of shock wave on different distances, be favorable to calculating safe distance.
As shown in fig. 1, the distance between the pressure sensor 1 closest to the explosion point 101 and the explosion point 101 is a, and the distance between adjacent pressure sensors 1 is also a.
Therefore, by the arrangement mode, a distance-shock wave curve graph can be established at the later stage, and data processing and rule summarization are facilitated.
In a preferred embodiment, the pressure sensors 1 are arranged at 5 equal intervals, respectively 20m, 40m, 60m, 80m, 100m from the blast point. The pressure sensor 1 is arranged at a height of 1.5m from the ground. The pressure sensor 1 is connected with the sensor support 11 through a sensor jacket 12, and the sensor jacket 12 is used for clamping the pressure sensor 1 and adjusting the height and the angle of the pressure sensor.
Further, since the shock wave of the explosion is large, especially when the distance is short, the bracket may be flipped over by the shock wave, and therefore, the supporting leg is disposed at the bottom end of the sensor bracket 11 for supporting the sensor bracket 11; the sensor holder 11 is maintained in a vertical and stable state. Preferably, the support feet are arranged at an angle of 70-80 ° to the sensor holder 11. Thus, a larger inclination of the support legs can provide greater stability.
Further, the outer wall of the sensor support 11 is provided with a weight plate, the weight plate is arranged at the lower part of the sensor support 11, and the axis of the weight plate coincides with the axis of the sensor support 11. Therefore, the gravity center of the support can be lowered, and the stability is improved.
Further, the weight plate is the take-up reel, and pressure sensor 1's data line 2 can twine on the take-up reel, need not place along the tunnel, when shifting the sensor, can use the take-up reel rolling, when arranging the sensor, the interval that can lay as required unreels the take-up reel, and convenient and fast more, in addition, through the weight of data line 2 and take-up reel, can improve the stability of support, prevent to be close apart from the point of explosion, is overturned by the shock wave, causes the unable shock wave signal of collecting of follow-up blasting.
With the combination of the above embodiments, the utility model sets a plurality of pressure sensors within a predetermined range from the blasting point, reflects the pressure value in the air when the blasting shock wave passes through the pressure sensors, forms an air shock wave test system by using the cooperation of the data acquisition instrument and the sensors, obtains accurate and convenient shock wave data, has small workload, can calculate the peak value, the attenuation and the like of the shock wave at different distances, and then matches the peak value, the attenuation and the like with the blasting equivalent, thus obtaining the safe distance under different blasting equivalent, and being beneficial to the blasting destruction.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the present invention should be determined by the appended claims.
Claims (8)
1. The utility model provides a tunnel formula old and useless explosive destroys explosion shock wave integrated test system which characterized in that includes:
a plurality of pressure sensors disposed in the roadway at a predetermined interval from the blast point;
the data acquisition component is in signal connection with the pressure sensors and is used for receiving the blasting shock wave data acquired by the pressure sensors;
the pressure sensors are arranged on the sensor bracket, the direction of the pressure sensors is parallel to the ground and faces to the direction of shock wave transmission, and the distance between every two pressure sensors is equal along the direction of shock wave transmission.
2. The roadway type comprehensive test system for the destruction of the waste explosives and the explosive shock waves, as claimed in claim 1, is characterized in that the distance between the sensor closest to the explosion point and the explosion point is A, and the distance between the adjacent pressure sensors is A.
3. The comprehensive test system for tunnel-type waste explosive destruction and explosion shock waves of claim 1, wherein the pressure sensor is arranged at a height of 1.5m from the ground.
4. The comprehensive test system for tunnel-type waste explosive destruction and explosion shock waves of claim 1, wherein the number of the pressure sensors is 5, and the pressure sensors are respectively 20m, 40m, 60m, 80m and 100m away from a blasting point.
5. The comprehensive roadway waste explosive destruction blast wave test system according to claim 1, wherein the pressure sensor comprises a piezoelectric lead pen type pressure sensor.
6. The comprehensive tunnel-type waste explosive destruction and explosion shock wave testing system according to claim 1, wherein the data acquisition component comprises a data acquisition instrument, and the sampling rate of the data acquisition instrument is greater than 1 MHz.
7. The comprehensive test system for tunnel type waste explosive destruction explosion shock waves of any one of claims 1 to 6, characterized in that a weight plate is arranged at the bottom of the sensor support.
8. The comprehensive test system for the tunnel-type waste explosive destruction explosion shock waves of claim 7, wherein a sensor jacket is arranged on the sensor support and used for clamping the pressure sensor and adjusting the height and the angle of the pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122529002.8U CN216081851U (en) | 2021-10-20 | 2021-10-20 | Tunnel type comprehensive test system for explosive shock waves generated by destroying waste explosives |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122529002.8U CN216081851U (en) | 2021-10-20 | 2021-10-20 | Tunnel type comprehensive test system for explosive shock waves generated by destroying waste explosives |
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| CN216081851U true CN216081851U (en) | 2022-03-18 |
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| CN202122529002.8U Expired - Fee Related CN216081851U (en) | 2021-10-20 | 2021-10-20 | Tunnel type comprehensive test system for explosive shock waves generated by destroying waste explosives |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909960A (en) * | 2022-06-01 | 2022-08-16 | 天津航天瑞莱科技有限公司 | Antiknock gallery suitable for quiet power of exploding of large-scale ammunition gallery aassessment |
| RU2789676C1 (en) * | 2022-05-26 | 2023-02-07 | Федеральное Государственное Казенное Военное Образовательное Учреждение Высшего Образования "Военный Учебно-Научный Центр Сухопутных Войск "Общевойсковая Ордена Жукова Академия Вооруженных Сил Российской Федерации" | Method for assessing the damaging effect of high-explosive anti-personnel mines |
-
2021
- 2021-10-20 CN CN202122529002.8U patent/CN216081851U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2789676C1 (en) * | 2022-05-26 | 2023-02-07 | Федеральное Государственное Казенное Военное Образовательное Учреждение Высшего Образования "Военный Учебно-Научный Центр Сухопутных Войск "Общевойсковая Ордена Жукова Академия Вооруженных Сил Российской Федерации" | Method for assessing the damaging effect of high-explosive anti-personnel mines |
| CN114909960A (en) * | 2022-06-01 | 2022-08-16 | 天津航天瑞莱科技有限公司 | Antiknock gallery suitable for quiet power of exploding of large-scale ammunition gallery aassessment |
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