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A test pit for single package testing and stacking testing of explosives

A technology of explosives and test pits, which is applied in the direction of material explosion, can solve the problems of no operating platform, easy fragmentation and disintegration, high labor costs and time costs, etc., to prevent safety risks, improve accuracy, and build low cost effect

Active Publication Date: 2021-11-05
南宁海关技术中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after the test is over, the soil pit is prone to fragmentation and disintegration due to the impact of the explosion, and the next test cannot be carried out in the original soil pit. Re-excavating the soil pit will consume a lot of labor and time costs
[0007] In a patent that the inventor has applied for, a test pit for explosives single package test and stacking test (application number: CN201611148273.6) discloses a test pit for explosion, although the test pit can Repeated use, but the pit body is built based on the sample size of a period of time, and the test cannot be carried out if the sample exceeds the specification
And there is no anti-sedimentation plate at the bottom of the test pit. After repeated use, the ground will settle, which will affect the measurement of the test.
After the rain, because there is no drainage system, the accumulated water in the test pit cannot be removed for a long time, which affects the use
A test method for explosives single package test and stacking test (application number: CN201611147368.6) discloses a test method for explosives. This method has no operating platform and cannot effectively prevent the loose sand above from collapsing , which has a great impact on repeated tests of excavation. Only the explosive single product is placed in the test pit and buried in sand to test and verify the steel plate, which is not suitable for repeated tests in the actual operation process; and there is no explosion or combustion boundary, which is not conducive to Carry out a complete test on the test product to affect the test and test results

Method used

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  • A test pit for single package testing and stacking testing of explosives
  • A test pit for single package testing and stacking testing of explosives
  • A test pit for single package testing and stacking testing of explosives

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A test pit for single package testing and stacking testing of explosives (e.g. Figure 1-4 shown), including deep pit 1, operating platform 2, boundary wall 3, and barbed wire 4; operating platform 2 is set at the center of deep pit 1; barbed wire 4 is set inside of operating platform 2; external.

[0040] The operating platform 2 is a square frame, and four triangular legs 21 are arranged under the four top corners of the operating platform 2; one of the corner tips of the triangular legs 21 points to the center point. The bottom end of the triangular leg 21 is provided with an anti-settling plate 23 . The vertical direction of the boundary wall 3 is a rigid structure, and the horizontal direction is a flexible structure. A horizontal mark 22 is provided on the triangular leg 21 . The barbed wire 4 forms a circle along the triangular leg 21, and its height is consistent with the height of the triangular leg 21, which is circular. The aperture of barbed wire 4 is 1c...

specific Embodiment approach

[0041] 1. Construction of the test pit

[0042] Build a deep pit 1 with a diameter of 11m and a depth of 2m. The bottom is rammed with soil and trimmed to a slope slightly higher in the middle and gradually inclined to the edge. The center of the bottom of the pit is dug out 5m 2 central pit. Pave the bottom of the pit with concrete, and the central deep pit forms a square through hole 11 in the middle of the bottom of the pit. Build 40cm wide circumference drainage ditch 12 on the edge of pit, build 60cm wide slope protection stacking boards outside the drainage ditch. Build a drainage pit 13 lower than the bottom of the pit next to the deep pit, so that it communicates with the drainage ditch. Build two through holes protruding from the ground on the drainage pit, one is a vent hole 14 for communicating with the atmosphere, and the other is a drainage hole 15 for hanging the submersible pump. Set up iron fences at the junction of the drainage ditch and the drainage pit to...

Embodiment 2

[0051] A test pit for single package test and stacking test of explosives, including deep pit 1, operating platform 2, boundary wall 3, and barbed wire 4; operating platform 2 is set at the center of deep pit 1; barbed wire 4 is set at the center of operating The inside of the platform 2 ; the boundary wall 3 is set outside the operation platform 2 .

[0052] The operating platform 2 is a square frame, and four triangular legs 21 are arranged under the four top corners of the operating platform 2; one of the corner tips of the triangular legs 21 points to the center point. The bottom end of the triangular leg 21 is provided with an anti-settling plate 23 . The vertical direction of the boundary wall 3 is a rigid structure, and the horizontal direction is a flexible structure. A horizontal mark 22 is provided on the triangular leg 21 . Barbed wire 4 forms a circle along triangular leg 21, and its height is consistent with the height of triangular leg 21, is square. The apert...

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Abstract

The invention discloses a test pit for single package test and stacking test of explosives, which belongs to the technical field of explosive test devices. The test pit used for the single package test and stacking test of explosives of the present invention includes a deep pit, an operating platform, a boundary wall, and barbed wire; the operating platform is arranged in the center of the deep pit; the barbed wire is arranged inside the operating platform ; The boundary wall is set outside the operating platform. The test pit of the present invention is reasonable in design, simple in construction, low in construction cost, easy to operate and high in safety, can absorb and limit all hazards caused by explosions in the test pit, effectively prevent potential safety risks, and can It can be used repeatedly to meet the standards and requirements of the United Nations for testing explosives.

Description

technical field [0001] The invention belongs to the technical field of explosive test devices, and in particular relates to a test pit for single package test and stacking test of explosives. Background technique [0002] The United Nations Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria, Part I, Sections 16.4 and 16.5, respectively, specify the single package test [Test 6(a)] and the stacking test [Test 6(b)] for the classification of explosives. )]Methods. The single package test is used to determine whether there is a mass detonation of the explosive, and the stack test is used to determine whether the detonation propagates from one package to another or from one unpackaged item to another. The requirements of the two test methods are relatively similar, and both require the package to be closed. The specific method is to place the package on a proof steel plate placed on the ground. The best sealing method is to use a container similar ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N25/54
CPCG01N25/54
Inventor 严春崔云霄陈斌肖焕新商杰
Owner 南宁海关技术中心