The application discloses a kind of eccentric hinge arc door support hinge pre-
assembly methods, belong to eccentric hinge arc door technical field, including selecting site, burying foundation plate, installation adjustment pre-
assembly device and detection qualified, install auxiliary support, assemble two
fixed hinge bases, check each reference edge, center line and hole position deviation qualified, connect
fixed hinge base and main base bolt, detect the coaxiality deviation qualified of the center of four shaft holes of two hinge bases without bearing cover, assemble hinge base bearing cover, detect the coaxiality deviation qualified of the center of four shaft holes of two hinge bases, make the alignment mark of hinge base and pre-
assembly device, remove hinge base bearing cover and assemble movable hinge base, eccentric shaft and bearing, assemble movable hinge base, adjust eccentric angle of eccentric shaft consistent, install
crank arm and
coupling, adjust movable hinge base and detect center line qualified, eccentric action test.The application can solve the problem of positioning precision of eccentric hinge device assembly without support girder, and can improve the safety, accuracy and one-time qualified rate of assembly work.