The invention relates to an explosion-proof swing-arm type crane. The explosion-proof swing-arm type crane is characterized in that the crane comprises an upright, a swing mechanism, an upright crawling ladder, a swing supporting maintaining platform, an arm frame, an arm frame maintaining platform, a swing locking device, a raising traveling mechanism and a control device; the raising traveling mechanism comprises a raising motor, a raising reducer casing, a winch, a traveling motor, a traveling reducer casing, a traveling trolley and rope length coders, and the raising motor is fixedly connected with the winch through the raising reducer casing; the winch is coaxially connected with two winding drums, wherein a normal-temperature steel wire rope is installed on one winding drum in a winding mode, and a low-temperature steel wire rope is installed on the other winding drum in a winding mode; a hook assembly is fixedly installed at the bottom of each steel wire rope, the winding drums are driven by the raising motor to rotate through the raising reducer casing, and the traveling trolley is driven to operate forwards or backwards by the traveling motor through the traveling reducer casing and fixed in a supported mode through a traveling support; and the rope length coders are installed at the shaft ends of the winding drums.