Large tire detaching-installing machine

The invention relates to a large tire detaching-installing machine. The large tire detaching-installing machine comprises a hydraulic station, a base, a rim locating mold and a hydraulic motor, the rim locating mold is installed in the middle of the base and is driven by the hydraulic motor to rotate on the base, the hydraulic motor is communicated with the hydraulic station of the side of the base, the large tire detaching-installing machine further comprises a cross beam, a left stand arm, a right stand arm and a detaching-installing mechanism, and the cross beam is parallel to the base andis spaced from the base. The large tire detaching-installing machine has the advantages that a tire rotates around the axis of itself, the tire detaching-installing mechanism can move along the axis of the tire and complete motions like hooking and pulling and squeezing, and separation and installation of the tire and a rim are completed. On the premise that the tire is detached and installed under vacuum, the problem tha