Flanged shaft tray anchor clamps

The utility model relates to a flanged shaft tray anchor clamps, it includes the chuck, the chuck on the circumference position of side be provided with latch group, the center on chuck upper portion is provided with the groove, sink the groove for circular structure, there is a brace table with chuck matched with the lower part of chuck through bolted connection, the brace table be that the thick cylinder spare that is set gradually by top -down is constituteed with thin cylinder spare, thick cylinder spare and thin cylinder spare be the integrated into one piece structure, thick cylinder spare and cylinder spare carefully are the coaxial line in vertical direction, the lower part of thin cylinder spare be hollow structure, the lower part scarf joint of thin cylinder spare has a bearing, the bearing be connected with the rotation axis with bearing matched with, the rotation axis be the cylinder structure, the utility model has the advantages of simple structure, running cost are low, the machining precision