JPH0267249U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a diagram showing the state of a plane bending fatigue test using a fatigue testing machine equipped with an automatic stop device according to an embodiment of this invention, Fig. 1A is a plan view, Fig. 1B
2 is a side view, FIG. 2 is a diagram showing the state of a plane bending fatigue test using a conventional fatigue testing machine equipped with an automatic stop device, FIG. 2A is a plan view, FIG. 2B is a side view, and FIG. The figures show the state of a torsional fatigue test using a conventional fatigue testing machine equipped with an automatic stop device. Figure 3A is a plan view, Figure 3B is a side view, and Figure 4 is a conventional example. It is a sectional view of an automatic stop device. 1: Drive side swing axis, 2: Non-drive side swing axis, 4:
Plane bending fatigue test piece, 5: Stress detection shaft, 10: Torsional fatigue test piece, 14: Vibration monitoring meter.

Claims (1)

[Scope of utility model registration request] In a fatigue testing machine that performs a fatigue test by attaching a test piece between the shaft ends of the drive side swing shaft and the counter-drive side swing shaft and swinging it, this fatigue test machine automatically stops when the test piece breaks. an automatic stopping device that detects, at a swinging end of a stress detection shaft directly connected to the counter-drive-side swing shaft, that vibration of the counter-drive-side swing shaft has stopped due to breakage of the test piece; An automatic stop device for a fatigue testing machine characterized by being equipped with a vibration monitoring meter.