JPH03117263U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a side view of the learning vibration experiment device according to the present invention. FIG. 2 is a front view of the learning vibration experiment device according to the present invention. FIG. 3 is a plan view of the parallel motion mechanism. FIG. 4 is a perspective view showing a schematic configuration of the parallel movement mechanism. FIG. 5 is a diagram illustrating the oscillating behavior of the parallel motion mechanism. FIG. 6 is a perspective view of the spring receiver. FIG. 7 is a front view of the spring receiver. FIG. 8 is a schematic perspective view of the displacement detection means. FIG. 9 is a diagram illustrating the operation mode of the displacement detection means. FIG. 10 is a perspective view showing a schematic configuration of another embodiment of the parallel movement mechanism.
Figures 11A and 11B are diagrams for explaining the vibration system of an automobile. Figure 11A shows an example of a vibration isolating means for an automobile, and Figure 11B shows an equivalent vibration system of the vibration isolating means. This is shown below. FIG. 12 is a graph showing the vibration frequency characteristics of the second mass when an experimental device is used in the present invention and based on theoretical values. FIG. 13 is a graph showing the vibration frequency characteristics of the first mass when an experimental device is used in the present invention and based on theoretical values. FIG. 14 is a partial side view showing another embodiment of the vibration experiment device for learning according to the present invention. 1st
FIG. 5 is a partial front view of the learning vibration experiment apparatus shown in FIG. 14. 2...Base, 4...Vertical support, 6, 8, 10
...First, first, third parallel movement mechanism, 26, 32
, 36...first, second, third mounting base, 50...vibration means, 70...load, displacement detection means, 80...
Shock absorber.

Amendment 3.6.10 Hei 3.6.10 The brief description of the drawing is amended as follows. "6, 8, 10..." on page 24, line 12 of the specification
6, 8, 1
0...first, second, and third parallel motion mechanisms".

Claims (1)

[Claims for Utility Model Registration] 1. Consisting of a base, a vertical support mounted perpendicularly to the base, and parallel links of the same length, one end of which is connected to the vertical support by a pivoting means. First, second, and third parallel motion mechanisms arranged vertically and swingably attached to the table in a cantilever manner; and the first, second, and third parallel motion mechanisms. first, second and third mounting bases provided at the ends;
A first weight that is removably placed on the first mount, a second weight that is removably placed on the second mount, and a combination of the first mount and the second mount. A first coil spring disposed between, a second coil spring disposed between the second mount and the third mount, and a third mount are vibrated in the vertical direction at a predetermined frequency and amplitude. A vibration experiment device for learning, characterized in that it is equipped with a vibration excitation means that is driven by. 2. A load detection means is provided on the second mount, and a displacement detection means is provided on at least the first and second parallel motion mechanisms, and the loads applied to the first and second coil springs and at least the first and second mounts are 2. The learning vibration experiment device according to claim 1, wherein the vibration experiment device detects the amount of displacement. 3. The learning vibration experiment apparatus according to claim 2, wherein the load detecting means and the displacement detecting means are electric resistance wire type strain gauges.