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本发明是间接测量被测物位移量的装置。以前,曾有若干个有关不接触测定物体位移装置的方案。其应用实例可在材料拉伸试验设备中看到。在这种设备中,为了确定加到被测试样上的力与试样延伸率间的关系,需要在试样上引一条与拉力成直角方向的试样定位线,然后测定该定位线的位移量。它们是按以下方法测定定位线的位移量的。
The present invention is a device that indirectly measures displacement of a measured object. In the past, there were several proposals for not touching the displacement device of the measuring object. The application examples can be seen in the material tensile test equipment. In such a device, in order to determine the relationship between the force applied to the test sample and the elongation of the test sample, a sample positioning line at a right angle to the tensile force needs to be placed on the test sample, and then the displacement of the positioning line the amount. They are determined by the following method of displacement of the positioning line.