SU1538013A1 - Arrangement for checking height gauges - Google Patents

Abstract

This invention relates to a measurement technique. The aim of the invention is to improve the accuracy of the calibration of the span head. The device includes a housing 1, a cylinder 3 with measuring jaws 4 placed on its surface along a helix and a micrometer screw 9. The cylinder has the ability to rotate around its axis and fix. When checking, the measuring sponge of the stengunraysmas is installed above the corresponding sponge 4 on the cylinder 3, the micrometer screw 9 is rotated until the sponges touch, and on the scale of the screw 9 there is a judgment about the error of the stengranismas. In subsequent measurements, rotate the cylinder 3 to the appropriate position, without moving the X-ray gauge relative to the housing 1. 1 Il.

Description

The invention relates to a measuring technique, in particular to devices for checking stress gage.

. The purpose of the invention is to improve the accuracy of verification.

The drawing shows the device for calibration, a general view.

The device for calibrating ratmasks includes a housing 1 with a base reference surface 2 and a cylinder 3 with measuring jaws 4 placed on its side surface along a BINT line at the same distance from one another. Cylinder 3 is mounted on conical mandrels 5 and 6 fixed in housing 1, held from rotation by keys 7 and 8, respectively, and connected by a micrometer screw 9, designed to move the cylinder together with mandrels 5 and b along its axis. Cylinder 3 also has the ability to pivot on mandrels 5 and 6 and fixation in a predetermined position from the jMombK spring-loaded ball 10 entering the spherical well 11 on the front surface of the cylinder. The number of holes 11 is equal to the number of sponges 4 on one turn of the helix. The distance from the base surface 2 to the measuring jaws 4 is certified with the zero position of the micrometer screw.

The device works as follows.

A calibrated gauge is installed on a calibration plate next to the calibration device. Measuring leg shtangenraysmas fixed on a given division of its scale and placed above the corresponding sponge 4 on the cylinder 3, fixed relative to the housing 1 spring-loaded ball 10. Then the rotation of the micrometric screw 9 move

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cylinder 3 along its axis until it touches the sponge 4 with the shtangenreismas sponge, and the reading on the scale of the micrometric screw characterizes the magnitude of the error in the reading of the shtangenreysmas.

In the next measurement, without changing the position of the spanner on the calibration plate, move the spanner sponge to the next measurable division on its scale and rotate the cylinder 3 on the conical mandrels 5 and 6 so that the sponge horizontal sponge is located above the corresponding sponge 4 on the cylinder 3, and the cylinder It was fixed with a spring-loaded ball 10. Using the micrometer screw 9, the error of the gauge reading was similarly determined.

The ability to determine the error of the readings of the spaner on the scale at different positions with respect to the device body provides for an increase in the accuracy of calibration.

Claims (1)

Invention Formula A device for calibrating gauges, comprising a housing with a base reference surface, a cylinder mounted on the housing with measuring jaws fixed on its side surface, the axis of which is perpendicular to the base surface, and a micrometer screw designed to move the cylinder along its axis, characterized in that in order to improve the accuracy of the calibration, the measuring jaws are placed along a helical line at the same distance from one another, and the cylinder is installed with the possibility of rotation around its axis and iksatsii.