38results about How to "Avoid difficult demolition" patented technology

The invention relates to the technical field of inspection well pouring, in particular to a circular inspection well lid adjusting layer concrete cast-in-place mold which comprises an annular mold plate, and the annular mold plate is formed by welding a plurality of reinforcing transverse plates to the tops of an inner ring mold plate and an outer ring mold plate; the spiral groove outer rod is erected in the center of the annular template, and the center of the top end of the spiral groove outer rod is in threaded connection with the spiral inner rod; the three multi-stage spiral lifting supporting rods are annularly distributed around the peripheral side of the vertical rod at equal intervals. Through cooperation of the side supporting plates, the bearing plates and the spiral transmission structure, rapid supporting and dismantling of the arc-shaped well wall formwork are achieved, the problems that bolt embedding operation is tedious, and the formwork is difficult to dismantle and cannot be recycled are solved, the construction difficulty is greatly reduced, the working time is shortened, and the construction efficiency is improved; the mold ensures no displacement in the pouring process through a multi-locking structure, the concrete pouring quality of the adjusting layer is guaranteed, the telescopic rod can be flexibly telescopic, and the pouring requirements of the adjusting layers of the circular inspection wells with different diameters are met.