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The mountain orchard conveyor is a type of transport machinery. The regularity of wire rope breakage is not clear yet, also there is no corresponding research on this kind of wire rope. A PLC-based wire rope simulation running platform was built, and the reliability of the platform was verified, which included the tensile force sensor test, the wire breakage and wear reliability detection based on the magnetic flux leakage (MFL) method. It was found that the core component of the simulation platform: the floating deviation of the tensile force sensor and the adjustment device test met the test requirements. Then, the number of broken wires in the test seemed to be as the same as the actual one, but the simulated wear and the actual gap were large. The conclusion was drawn that the built test platform can accurately detect the position and quantity of wire rope’s broken wire, but the degree of wear can not be accurately detected. It can be considered by machine vision for further testing, which would be proved in subsequent research. The research result can provide a reference for optimizing the safety performance of conveyors in orchards, as well as for maintenance and care of wire ropes in other applications.