Assembly and disassembly device for automobile tire

An assembly and disassembly device for automobile tire, comprising:

• a device case;
• an upright disposed on the device case, the upright having a cross beam;
• a tire dismantling tool connected to the cross beam;
• and
• a workbench disposed below the tire dismantling tool, the workbench being located on the device case, and the device case housing a gearbox,
• wherein the gearbox is a compound gearbox integrally formed by a gearbox body and a motor,
• a main shaft penetrates into the gearbox, the main shaft drives the workbench to move,
• the motor has a motor gear, the motor gear is a spiral-tooth structure,
• the compound gearbox has a plurality of drive gears, the plurality of drive gears engages with each other, the plurality of drive gears is configured to control a precision of a drive and adjust a driving force of the drive, and the plurality of drive gears is configured to increase torque,
• the main shaft is sleeved with a main shaft gear,
• the motor gear engages with a first one of the plurality of drive gears and makes the first one of the plurality of drive gears move, a lower end of the first one of the plurality of drive gears engaged with the motor gear is a helical gear, an upper end of the first one of the plurality of drive gears is a straight gear,
• a second one of the plurality of drive gears engages with the main shaft gear and makes the main shaft gear move,
• the main shaft connects the workbench, and the main shaft gear drives the main shaft to bring the workbench to move, and
• an axis of the main shaft is eccentric to an axis of the motor.