Prefabricated formula is wall spare structure even

The utility model provides a prefabricated formula is wall spare structure even runs through a screw rod on the wall body, the one end of screw rod is fixed at the wall body inboardly by fixing device, outside scaffold frame is connected to the other end of screw rod, its advantage as follows: the utility model provides a prefabricated formula is wall spare structure even only needs the spanner to demolish outside scaffold frame when demolising, need not the operation of getting angry, the utility model provides a prefabricated formula is wall spare structure even repairs the entrance to a cave of being run through by the screw rod comparatively easily, easilier avoids the percolating water condition, the utility model provides a prefabricated formula is wall spare structure even uses fixing device to fix in the wall body inboard owing to will run through one side of the screw rod of wall body, and even wall spare drawknot intensity is bigger for such fastener that the structure is traditional relatively, the