Excavator safe operation early warning system based on big data

The invention relates to the technical field of excavator safe operation, in particular to an excavator safe operation early warning system based on big data. A movable arm operation safety risk coefficient of a target working behavior is comprehensively analyzed through a cylinder pressing behavior safety evaluation index and an execution coincidence degree index of a movable arm; comprehensively analyzing a bucket rod operation safety risk coefficient of a target working behavior through a cylinder pressing behavior safety evaluation index, an execution coincidence degree index and a hinging safety performance index of the bucket rod; comprehensively analyzing a bucket operation safety risk coefficient of a target working behavior through a cylinder pressing behavior safety evaluation index of the bucket, an execution coincidence degree index, a hinge safety performance index and a comprehensive material processing capability evaluation index in the bucket operation process; the defect that in the prior art