Threaded roll measuring apparatu calibrating device

The utility model discloses a threaded roll measuring apparatu calibrating device, including centering device and load -bearing device, wherein, centering device including the fixed baseplate that sets up at the calibration bench with move the base, fixed baseplate with move the base on be fixed with the stiff end gage block respectively and move the looking somebody up and down piece, the stiff end gage block with move the looking somebody up and down piece and go up the symmetry and offer and be used for card to establish the strip V type groove of moving threaded roll and fixed threaded roll, the tank bottom line in two strip V type grooves, removal threaded roll's axial lead and fixed threaded roll's axial lead lie in the coplanar, load -bearing device includes that the bottom fixes in the backup pad of calibration platform side and install the regulating plate at the backup pad top, installs the studdle who is used for supporting the arc connecting plate on the regulating plate, the utility model disclos