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A detection mechanism and detection method for the diameter of the bottom edge of a cartridge case

A detection mechanism and cartridge casing technology, which is applied in the direction of mechanical diameter measurement, etc., can solve the problems that the detection results are affected by subjective factors, the detection efficiency of the diameter of the bottom edge of the cartridge case is low, and the labor intensity of workers is high.

Active Publication Date: 2020-11-17
中国兵器装备集团自动化研究所有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a detection mechanism and detection method for the diameter of the bottom edge of the cartridge case to solve the problems in the prior art that the detection efficiency of the diameter of the bottom edge of the cartridge case is low, the labor intensity of the workers is high, and the detection results are affected by subjective factors. The purpose of reliable, efficient and precise automatic detection of diameter

Method used

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  • A detection mechanism and detection method for the diameter of the bottom edge of a cartridge case

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Such as figure 1 The shown detection mechanism for the bottom edge diameter of a cartridge case includes a cartridge case positioning block 3 for placing the measured cartridge case. The opposite ends of the cartridge case positioning block 3 are respectively provided with a reference head 1 and a detection rod 6. The detection rod 6 is formed by a straight line The driving device 14 is driven, and the driving direction of the linear driving device 14 is toward the direction where the reference head 1 is located, and the detection rod 6 is provided with adjacent first ring gauges 9 and second ring gauges 10 toward the direction where the reference head 1 is located. 10 is located on the side of the first ring gauge 9 close to the direction of the reference head 1, the inner diameter of the second ring gauge 10 is larger than the standard bottom edge diameter of the tested cartridge case, and the inner diameter of the first ring gauge 9 is smaller than the standard bottom...

Embodiment 2

[0032] Such as figure 1 In the shown detection mechanism for the bottom edge diameter of a cartridge case, on the basis of Embodiment 1, the detection rod 6 is slidably fitted in the flange seat 5, and the flange seat 5 is fixed on the host mounting frame 4; The linear drive device 14 is fixedly installed on the host installation frame 4 . The reference head 1 is fixed on the reference head installation frame 2 , and the reference head installation frame 2 is relatively fixed with the cartridge case positioning block 3 . The detection mechanism includes a displacement detection block 11 fixed on the detection rod 6 and a displacement sensor 12 facing the displacement detection block 11 . The detection rod 6 is provided with a round hole 15 toward one end of the direction where the cartridge case positioning block 3 is located, and the round hole 15 is coaxial with the detection rod 6, the first ring gauge 9, and the second ring gauge 10, and also includes a sliding fit on the...

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Abstract

The invention discloses a shell case bottom edge diameter detecting mechanism and detecting method. The detecting mechanism comprises a shell case positioning block for placing a detected shell case;a reference head and a detecting rod are arranged at the two opposite ends of the shell case positioning block; the detecting rod is driven by a linear driving device, wherein the driving direction ofthe linear driving device faces the direction of the reference head; a first ring gauge and a second ring gauge that are adjacent to each other are arranged at one end, facing the direction of the reference head, of the detecting rod; the second ring gauge is arranged at one side, being close to the direction of the reference head, of the first ring gauge; and the inner diameter of the second ring gauge is larger than the diameter of the standard bottom edge of the tested shell case and the inner diameter of the first ring gauge is smaller than the standard bottom edge diameter of the testedshell case. In addition, the detecting mechanism also includes a detecting mechanism body for measuring the displacement of the detecting rod. Therefore, problems of low detection efficiency of the bottom edge diameter of the shell case, high labor intensity of the worker, and great influence of the subjective factor on the detection result in the prior art are solved; and thus the objective of the reliable, efficient and precise automatic detection of the diameter of the bottom edge diameter of the shell case is achieved.

Description

technical field [0001] The invention relates to the field of pyrotechnic detection, in particular to a detection mechanism and a detection method for the diameter of the bottom edge of a cartridge case. Background technique [0002] Explosives are a general term for disposable components and devices that contain gunpowder or explosives, which burn or explode after being stimulated by the outside world to ignite gunpowder, detonate explosives, or perform mechanical work. Bullets are a common pyrotechnic product. [0003] A cartridge case is what remains of a bullet after it has been fired, and the cartridge case in an automatic weapon ejects itself from the chamber after firing. Bullet casings used to be made of brass. At present, most of them use steel alloy materials, and some small firearms such as pistols still use copper. At present, in most production enterprises in the industry, the bottom edge diameter detection of cartridge cases is manually detected, which has pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/08
Inventor 吴斌钟顺金刘彬李昂戴喜会苟文韬
Owner 中国兵器装备集团自动化研究所有限公司