Static data of strength measuring systems device based on the annular elastic sensitive elements of variable section

Measuring devices are the technical means of control systems of transport and storage systems, which not only carry out the accounting of transported cargo, but also optimize the process of moving, in particular lifting-transport mechanisms of periodic action. However, when you use automatic weights, working in conditions of dynamic loads, it is necessary to solve the problem of extending the range and minimize the measurement time for a given value of sensitivity. Creating, measuring devices based on the annular elastic element (UE) and a second Converter the amount of deformation into an electrical signal is a promising direction, taking into account the best combination of constructive factors of the ring SE: sensitivity, responsiveness, and given mass. Existing measuring device, which sensitive element is elastic ring, works in certain ranges of load. A characteristic feature of the known measuring devices is the presence of a sensitivity threshold; it does not allow one to measure small forces with a given precision. With the aim of measuring loads in the range from tens to hundreds of Newton with equal accuracy over the entire range, the authors have developed an original design of weighing devices, in which a pair of rings works or sequentially, or in parallel. Theoretical and experimental studies of original designs force measuring devices with series and parallel operation of pairs of annular elastic sensing elements (CMCS) have been conducted. The regression equation with coefficients of importance of each factor has been got. The sequence of selection of optimal parameters of ring CMCS has been proposed. Experimental determination of the deformation of the ring from applied load on a tensile testing machine RM-5 has been got. The load attached to the ring, changed in the range from 1000 to 30 000 N in increments of 1000 N. The results of the conducted experimental studies were processed using the software package “Statgraphics”. Comparative data analysis showed that the experimental values of deformation rings differ from the theoretical values by not more than 15 %, which confirms the adequacy of the obtained theoretical expressions.