PL433406A1 - System for continuous monitoring of the strain condition of the load bearing structures of open-pit mining machinery, in particular multi-bucket excavators and dumping conveyors - Google Patents

Abstract

A system for continuous monitoring of the strain of the load-bearing structures of opencast mining machines, in particular multi-bucket excavators and belt stackers, enabling the assessment of this condition both in terms of fatigue strength and temporary strength, and early warning about the possibility of exhaustion of the resource of fatigue life and exceeding the condition of immediate strength, consisting of consists of a measuring module (P), a computing module (O) and a results distribution module (D), while the measuring module (P) consists of measuring sensors (PT1 ... PTn) placed on the elements of the supporting structure of the machine at the input and a set of measuring signal amplifiers (PW1 ... PWn) and analog-to-digital (A / C) converters at the output, where the outputs of analog-to-digital (A / C) converters are connected with a communication processor (PK), which through a communication interface (PI ) is connected to the computing module (O) sequentially connected to the results distribution module (D), characterized by the fact that it is equipped with a module (E) for retrieving from the machine controller (SM) the values of the status signals of the main drives and the mutual position of the basic working units of the machine, which at the input is connected through a communication processor (PK) and a communication interface (PI) with the machine controller communication bus (SM) current digital-to-analog (D / A) converters, and at the output of the analog-to-digital (A / C) converters connected to the above digital-to-analog converters (A / C) through the communication processor ( PK) and a communication interface (PI) connected to the computing module (O) of the superstructure effort monitoring system (M).