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Inclined percussion experiment method and slope percussion device of powdery energetic material

A test method and impact device technology, which is applied in the direction of measuring devices, analyzing materials, adopting mechanical devices, etc., can solve problems such as the evaluation of the safety of non-energetic materials

Inactive Publication Date: 2017-05-31
INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned sensitivity test instruments are intelligently evaluated for a single stimulus such as impact or friction, and cannot evaluate the safety of energetic materials for actual friction and impact-coupled stimuli.

Method used

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  • Inclined percussion experiment method and slope percussion device of powdery energetic material
  • Inclined percussion experiment method and slope percussion device of powdery energetic material
  • Inclined percussion experiment method and slope percussion device of powdery energetic material

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Experimental program
Comparison scheme
Effect test

Embodiment

[0028] a kind of like image 3 The shown oblique impact device for implementing the oblique impact test method of the above-mentioned powdery energetic material includes a drop weight 5, a strike sleeve 3, a base 4 and an oblique impact column (1, 2); directly above the column; the impact sleeve is fixed on the base, and the oblique impact column is matched and installed in the impact sleeve. The oblique impact column is divided into an upward oblique impact column 1 and a downward oblique impact column 2. Explosive powder is installed between the column and the downward inclined impact column, and the bottom surface of the upward inclined impact column and the top surface of the downward inclined impact column are slopes with the same slope angle.

[0029] In a specific embodiment of the present invention, the overall shape of the oblique impact column is cylindrical or square.

Embodiment approach

[0030] Another specific embodiment of the present invention, the diameter of the oblique impact column is 10cm.

[0031] The bottom surface of the upward slanting impact column and the top surface of the downward slant impact column are both slopes with an angle θ of 60° or 45°. If the emphasis is on impact, choose a stud with a larger bevel angle; if you focus on friction, choose a stud with a smaller bevel angle.

[0032] In a further technical solution of the present invention, the drop hammer is arranged 25 cm directly above the oblique impact column, and the weight of the drop hammer is 10 kg.

[0033] The application of the above inclined plane impact device in the oblique impact test of powdery energetic materials is as follows:

[0034] When conducting oblique impact tests of powdery energetic materials, the inclined plane impact device was first cleaned with acetone and dried for later use; then the explosive test samples were dried, and the dried explosive test samp...

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Abstract

The invention discloses an inclined percussion experiment method and a slope percussion device of a powdery energetic material. According to the method, slopes with different slope angles are utilized as percussion faces to perform percussion and friction coupling effect tests. The slope percussion device comprises a falling hammer, a beating sleeve, a base and an inclined percussion column, wherein the falling hammer is arranged right above the inclined percussion column, the beating sleeve is fixed to the base, the inclined percussion column is arranged in the beating sleeve in a matched mode, the inclined percussion column is divided into an upper inclined percussion column and a lower inclined percussion column, explosive powder is arranged between the upper inclined percussion column and the lower inclined percussion column, and the bottom surface of the upper inclined percussion column and the top surface of the lower inclined percussion column are slopes with the same slope angle. The device disclosed by the invention can be used for evaluating safety of the energetic material under a percussion and friction coupling environment effect and achieves adjustment of the proportion of the percussion to the friction. The method disclosed by the invention can effectively evaluate the safety of the energetic material under the percussion and friction coupling environment effect.

Description

technical field [0001] The invention relates to the technical field of explosive detection methods and testing equipment, in particular to a test method for oblique impact of powdery energetic materials and an inclined plane impact device. Background technique [0002] Since the outbreak of the First World War, the war has greatly increased the demand for live explosives in countries all over the world. At the same time, the demand for explosives in the civilian industry has also continued to increase. Explosives will inevitably bring some accidents from production to use. Many scientists have begun to pay attention to the stability and sensitivity of explosives. The friction sensitivity test and the impact sensitivity test are one of the eight stability tests of pyrotechnics, which have high requirements on the instruments used. [0003] In recent years, the application of high technology in weapon systems has developed rapidly, especially the development of long-range pre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N19/00
CPCG01N19/00
Inventor 文玉史廖军于绍钧代晓淦李敬明韩勇樊星李明
Owner INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS
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