Pathway movement formula tower crane detection device that walks

The utility model discloses a pathway movement formula tower crane detection device that walks, include with tower machine base fixed connection's fixing base, have the extension board through the pivot is articulated on a pair of ear seat of fixing base, in this pivot still the cover spring is equipped with, a spring end bearing is on the fixing base, another end pressure is on the extension board, fixing in the centre bore of extension board and being provided with bearing, worn motion transmission shaft among the bearing, nylon wheel is installed to motion transmission shaft one end, the motion transmission shaft other end passes through shaft coupling and encoder coaxial coupling. The utility model discloses the device can be guaranteed nylon wheel and orbital reliable contact to turn into digital displacement output with pulse signal through regulating spring, and the interference killing feature is strong, and the accumulated error of pulse can be avoided to the reset switch, guarantees the accuracy tha