Impact test device and experimental method based on spatial motion sandwich plate structure
A technology of space motion and impact testing, applied in the testing of machine/structural components, impact testing, measuring devices, etc., can solve the problems of impact response behavior test simulation of composite sandwich panel structure, etc. Effect
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[0033] Specific embodiment one: combination Figure 1 to Figure 7 To illustrate this embodiment, an impact test device based on a spatial motion sandwich panel structure in this embodiment includes an upper mounting splint 1, a lower mounting splint 3, a vertical plane vibration device A, a horizontal plane motion device B, an experiment base 6, a signal The generating device 7 and the signal receiving device 8, the signal generating device 7 and the signal receiving device 8 are arranged oppositely and installed on the experiment base 6, the horizontal plane movement device B is plugged into the experiment base 6, and the horizontal plane movement device B is located Between the signal generating device 7 and the signal receiving device 8, the vertical plane vibrating device A is plugged into the horizontal plane moving device B, the upper mounting splint 1 and the lower mounting splint 3 are buckled together and the composite sandwich panel 2 is clamped, and then the lower moun...
Example Embodiment
[0041] Specific implementation manner two: combination Figure 1 to Figure 3 To describe this embodiment, the lower installation splint 3 of this embodiment includes a lower splint 3-1 and a splint slide groove 3-2, and the splint slide groove 3-2 is fixedly installed on the lower end surface of the lower splint 3-1. This arrangement is convenient for mating and sliding insertion with the vertical plane vibration device A. The other composition and connection relationship are the same as in the first embodiment.
Example Embodiment
[0042] Specific implementation mode three: combination Figure 1 to Figure 3 To illustrate this embodiment, the vertical plane vibration device A of this embodiment includes an upper connecting cover A-1, a lower connecting cover A-2, a stopper A-4 and a plurality of vibration springs A-3, and a lower connecting cover A groove is opened in A-2, multiple vibration springs A-3 are installed in the lower connecting cover A-2, the upper connecting cover A-1 is covered on the multiple vibration springs A-3, and the upper connecting cover A- 1 and the lower connecting cover A-2 are connected by a stopper A-4, and the upper connecting cover A-1 is located in the stopper A-4 and can float up and down under the action of the vibration spring A-3. This arrangement facilitates the realization of vertical vibration. Other components and connection relationships are the same as those in the first or second embodiment.
[0043] The arrangement of the stopper of this embodiment ensures that th...
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