Fuse safety test method for simulating vertical free drop by hammering

Abstract

The invention discloses a fuze safety test method for simulating vertical free drop by hammering. The method comprises the following steps: checking and recording a tested fuze before testing, adjusting a hammering tester, mounting the tested fuze, presetting the position of a hammer handle of the hammering tester, carrying out hammering testing, dismounting the tested fuze and checking and recording after testing. The problems that when an existing free falling body type drop test method is used for fuze product development and identification tests, due to the fact that samples are few, the method is unreliable, and the extreme situation of complete or nearly vertical free drop is difficult to meet, product design with drop safety hidden dangers is caused, and products are misjudged to be qualified due to the fact that the products are not found are solved. According to the invention, the hammering test of the standard hammering testing machine is used for replacing the free drop test of the hard target, and the test design ensures that the bottom surface of the hammering is flat and is approximately parallel to the hammering surface of the anvil during the collision, so that the consistency and reproducibility of the test result and the accuracy of the test conclusion can be ensured.

Description

technical field [0001] The invention belongs to the technical field of fuzes, in particular to a safety test method of a fuze which uses hammering to simulate vertical free fall. Background technique [0002] Fuze recoil insurance mechanism application is more common. The inertial impact produced by the accidental drop of the fuze alone or with the projectile and the whole projectile has a great influence on the fuze recoil safety mechanism. The standard test method for simulating the accidental drop of the fuze or the fuze with the projectile and the whole projectile is free fall. Since the center of mass of the fuze, projectile and full projectile in free fall is deviated from the axis, and its shape cannot be completely symmetrical, it is difficult to accurately control the initial posture of free fall, so the attitude of the fuze, projectile and full projectile at the moment of free fall and landing It is difficult to control, resulting in the uncertainty of the test c...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a fuze safety test method that uses hammering to simulate vertical free fall, so as to solve the problem that the current free fall drop test method is difficult to meet completely due to the small number of samples and unreliable methods during the development and appraisal test. or close to the extreme situation of vertical free fall, which leads to the safety hazard of falling, will be misjudged as qualified because it has not been discovered

Images