The utility model relates to a novel chisel cushion cap, including chisel cushion cap A and chisel cushion cap B, chisel cushion cap A includes A platform skeleton, the welding of A platform skeleton one side has the inscription support, chisel cushion cap B includes B platform skeleton, the welding of B platform skeleton one side has external support, the external diameter of inscription support is less than the internal diameter of external support, inscription support inserted realize in the external support chisel cushion cap A with chisel cushion cap B's concatenation, a platform skeleton with it has A platform footboard and B platform footboard to weld respectively on the B platform skeleton, the welding has one side middle part of inscription support to be fixed with A platform jackscrew on the A platform skeleton, the inboard of external support two spinal branchs frame middle part and B platform skeleton one side middle part at external support place is fixed with B platform jackscrew. The utility model discloses carried out the lightweight design, the platform periphery sets up safety barrier, has ensured constructor's personal safety.