Grease leakage detection device for bearing

The invention discloses a grease leakage detection device for a bearing. The grease leakage detection device comprises a controller, first pneumatic equipment, a pneumatic control module, a load regulation and control module, a first acquisition module and an input and output module, the controller is respectively connected with the pneumatic control module, the first acquisition module and the input and output module; the pneumatic control module is used for sending a first driving signal to the first pneumatic equipment, so that the first pneumatic equipment applies a load to the bearing; the first acquisition module is used for acquiring the actual load of the bearing and sending the actual load to the load regulation and control module through the input and output module; the pneumatic control module is connected with the load regulation and control module and is used for transmitting the target load output by the controller to the load regulation and control module; the load regulation and control module