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A numerical control machine tool fault diagnosis and operation maintenance platform based on digital twinning, characterized in that the diagnosis and maintenance platform comprises: a machine tool operation and maintenance data template management module for managing information of different types, types and models of service machine tools; a machine tool operation data management module for synchronously mapping a numerical control machine tool physical entity and a digital model to improve the degree of state visualization; a fault diagnosis module for fusing multi-source data and digital twinning simulation to improve the accuracy and positioning efficiency of numerical control machine tool fault diagnosis; a life prediction module for collecting edge test data and simulation data to realize residual life prediction of key machine tool components; an operation and maintenance management module for providing intelligent operation and maintenance records, realizing integrated maintenance and management functions, and reducing operation and maintenance costs.

This utility model relates to the technical field of material conveying equipment, and in particular to a material conveying control mechanism for cement plants. It includes a chute for conveying materials, a conveniently located box-type feeder below the chute, a material hopper on the box-type feeder, and further includes: a transfer hopper connected to the output end of the chute; an inlet pipe connected to the output end of the transfer hopper, with several outlet pipes connected to the output end of the inlet pipe. The box-type feeder is located at the output end of the outlet pipes. A material conveying control component controls a gate connected to the outlet pipes, thereby controlling the discharge sequence and opening / closing of the several outlet pipes. Under the action of sensors, the material conveying control component can sequentially feed materials to several box-type feeders without worker supervision. Compared to existing material conveying methods, this device's material conveying mechanism can automatically control the material conveying process.