Abstract: The paper introduced the main inspectionitems of the mine gearbox in the mine conveyor and the application status of the gearbox test rings at home an d abroad.With the requirements of the economic, energy saving and practices, based on a design of a set conveyor gearbox test system with a power of 17315 kW asa n example, the paper introduced the related loading device, haulage device, gearbox test rig, selection of the inspection instruments and equipment in order to provide t he references to the related organization to establish the gearbox inspection system.