High-temperature friction wear device for heavy-load self-lubricating spherical hinge and test method

The invention relates to a high-temperature friction and wear device for a heavy-load self-lubricating spherical hinge and a test method of the high-temperature friction and wear device. The high-temperature friction and wear device for the heavy-load self-lubricating spherical hinge comprises a testing machine frame, a supporting and loading assembly and a thrust-driven swing assembly, and the supporting and loading assembly and the thrust-driven swing assembly are connected, the testing machine frame comprises a hydraulic oil cylinder, a plurality of lead screw stand columns and a testing machine cross beam, the supporting and loading assembly comprises a loading plate capable of being heated, a test mandrel used for fixing the heavy-load self-lubricating spherical hinge and a pair of fixing sleeve pieces, the pair of fixing sleeve pieces are horizontally arranged at intervals, a gap in the vertical direction is reserved between the fixing sleeve pieces, the loading plate is located in the gap, and a spheri