Ballistic impact pendulum system and ballistic impact pendulum measurement system
A measuring system and technology of impact pendulum are applied in the field of ballistic impact pendulum system and ballistic impact pendulum measuring system to achieve the effect of improving accuracy and reducing measurement error
Active Publication Date: 2019-11-15
SOUTHWEST JIAOTONG UNIV
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[0004] In order to overcome the above-mentioned deficiencies in the prior art, the purpose of this application is to provide a ballistic impact pendulum system and a ballistic impact pendulum measurement system to solve or improve the above-mentioned problems
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[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.
[0041] Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.
[0042] It should be noted that like ...
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The embodiment of the present application provides a ballistic impact pendulum system and a ballistic impact pendulum measurement system. During the ballistic impact pendulum measurement process, the explosion impulse during the ballistic impact pendulum measurement process is concentrated on the test piece by setting an explosion energy gathering device , so that the explosive impulse measured by the ballistic impact pendulum acts completely on the test piece, on this basis, the strong dynamic load of the test piece at the explosive impulse is detected by the first laser displacement sensor and the second laser displacement sensor respectively The acting deformation data and the displacement data of the baffle on the I-beam, so that the data processing device generates measurement results according to the deformation data and the displacement data, thereby reducing the part of the explosion impulse due to the ballistic impact pendulum measurement acting on the The measurement error caused by the fixture of the test piece improves the accuracy of the measurement result.
Description
technical field [0001] The present application relates to the technical field, in particular, to a ballistic impact pendulum system and a ballistic impact pendulum measurement system. Background technique [0002] In the case of strong dynamic loads, such as explosion impact, high-speed impact / impact, firearm bullet firing process evaluation, etc., the transient impulse of the structure is one of the important indicators for evaluating strong dynamic loads. At present, compared with the current main transient impulse measurement devices, such as piezoelectric sensors, horizontal and vertical rail tests, and charge-coupled device cameras, the impact pendulum has strong anti-interference ability, no on-site calibration, and good accuracy and accuracy. Stability is an effective device for indirect measurement of transient impulse, especially widely used in explosive detonation energy testing. [0003] However, the inventors of the present application have discovered during the...
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IPC IPC(8): G01N3/313G01M13/00
Inventor 敬霖刘凯郭鑫苏兴亚
Owner SOUTHWEST JIAOTONG UNIV