Rotation axis all-attitude error synchronous measurement device based on angle trigger acquisition

The utility model discloses a rotation axis all-attitude error synchronous measurement device based on angle trigger acquisition, which comprises a fixed seat, a micro-inclination adjusting table, a circular grating encoder, a grating reading head, a reference ball, a support plate and a clamping table, the grating reading heads are evenly distributed on the periphery of the circular grating encoder, the supporting plate is provided with a through hole coaxial with the circular hole groove, one end of the reference ball is connected with the circular hole groove in an inserted mode, and the other end of the reference ball penetrates through the through hole to be located above the supporting plate. The first displacement sensor, the second displacement sensor, the third displacement sensor, the fourth displacement sensor and the fifth displacement sensor are all fixed to the clamping table, and the clamping table is fixedly installed at the top of the supporting plate. According to the utility model, the six-