High-temperature and high-pressure dynamic friction simulation detection device for oil and gas well drilling

The utility model discloses a high-temperature and high-pressure dynamic friction simulation detection device for oil and gas well drilling, which relates to the technical field of oil and gas field development and comprises a sealing kettle, a magnetic sealing linkage rotating mechanism, a lateral load hold-down mechanism, a heating component, a high-pressure gas source and a controller. The magnetic sealing linkage rotating mechanism comprises a power driving assembly, a sealing column, a revolution and torsion sensor, an upper magnetic ring, a lower magnetic ring, an upper gasket, a lower gasket, an upper linkage rod, a lower linkage rod, an upper bearing and a lower bearing, a pressurizing opening is formed in the upper portion of one side of the sealing kettle, and a mounting opening is formed in the other side of the sealing kettle; the lateral load hold-down mechanism comprises a clamping assembly, an external pressurizing rod and a pressure sensor; and a rock core clamping block in the clamping assemb