Anti-top-crack rubber soft lap joint device

The utility model provides an anti-top-crack rubber soft lap joint device which comprises a plurality of lap joint units, every two adjacent lap joint units are detachably connected through a connecting assembly, each lap joint unit comprises a lap joint frame, each lap joint frame comprises a bottom plate and two fixing plates, the two fixing plates are oppositely arranged on the two sides of the bottom plate, and the two fixing plates are detachably connected through connecting assemblies. The width of openings in one ends of the two fixing plates is smaller than that of the bottom plate, the lap joint frames in every two adjacent lap joint units are hinged, first fixing holes are formed in the two fixing plates on the lap joint frames, and the two ends of first fixing bolts penetrate through the first fixing holes and are in threaded connection with the first fixing holes. According to the device, stable lap joint between the anti-top-crack rubber can be achieved, breaking between the anti-top-crack rubber