Locking type antiskid shoe of portal crane

The invention discloses a locking type antiskid shoe of a portal crane. The locking type antiskid shoe comprises a fixing nut, a spring, connecting plates, a walking wheel, a locking steel plate, a locating nut, a hand wheel, a screw rod, a loosening baffle, a fixed baffle, a clamping baffle, a steel rail and a cylinder head. The antiskid shoe has the beneficial effects that the locking type antiskid shoe device of the portal crane is fixed to an equilibrium bogie, the trouble of demounting is saved, and the antiskid shoe is simple, easy to understand and convenient to operate; and the portable crane is good in antiskid effect, and the wind preventing and typhoon preventing requirement of the portal crane is met. Pure mechanical design is adopted, and the situation that electrical equipment is damaged to cause failing of the device is avoided. The antiskid shoe is used during equipment locating, the device abrasion phenomenon is avoided, and the antiskid shoe is safe, stable and convenient to use. Whether the