Resistance strain gauge pasting device

Abstract

The invention discloses a resistance strain gauge pasting device. The resistance strain gauge pasting device comprises a pressing head, the bottom surface of the pressing head is a plane matched withthe size of a to-be-pasted strain gauge, a bracket is fixedly arranged on the pressing head, and a handle used for conveniently lifting the pressing head is fixedly arranged on the bracket; and a transmission plate is arranged on the top surface of the pressing head, a linear motion device driving the transmission plate to move up and down is arranged on the transmission plate, a plurality of supporting sheets are arranged on the two sides of the pressing head and the positions, closely attached to the pressing head, at the initial and tail ends at least in the length direction of the to-be-pasted strain gauge, the upper ends of the supporting sheets are fixed on the transmission plate and in linkage with the transmission plate, and a fixture capable of clamping the to-be-pasted strain gauge is arranged at the positions, stretched out of the bottom surface of the pressing head in the initial state, corresponding to the lower ends of the supporting sheets. The resistance strain gauge pasting device effectively solves the problems that the strain gauge pasting is easy to stagger and deviate from the original position, and the paste material is easy to stick to the hands and affects the paste efficiency, the efficiency of the strain gauge pasting is improved, the working environment is improved, and meanwhile, pasting of any position plane can be achieved.

Description

technical field [0001] The invention relates to a sticking device for resistance strain gauges. Background technique [0002] The resistance strain gauge is composed of sensitive grid, substrate, covering layer and lead-out wire. The lead-out wire is welded on the terminal, and the terminal is connected to the wire. The strain gauge is pasted on the test piece and connected to the strain gauge through the wire. The principle of the current-carrying bridge is connected into different bridge circuits, and the output resistance change rate of the Wheatstone bridge is converted into strain through the strain gauge, and the stress of the sticking position of the strain gauge on the test piece can be calculated through the strain measurement, so as to judge the force of the test piece Therefore, the pasting of strain gauges is an important technical means for engineering testing and scientific research, and the quality of strain gauge pasting directly affects the test results. Th...

AI Technical Summary

Problems solved by technology

Because the epoxy resin is in the form of paste, the strain gauges are not easy to stick flat. When pasting the vertical plane strain gauges, due to the slow curing of the epoxy resin, the strain gauges are prone to misalignment and deviate from the original position. Similarly, the lower plane cannot Paste the strain gauge

Paste the strain gauges in the traditional way. After the strain gauges are pasted, then paste the terminals. Since the curing time of the epoxy resin takes one day, or even more than one day, the efficiency of pasting the strain gauges in the traditional way is low, and the pasting materials are easy to get on hand. The working environment is relatively poor. poor, very inefficient

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