Pile hammer

The utility model relates to the technical field of engineering construction machinery, in particular to a pile hammer. The hydraulic cylinder is arranged at the end of the shell, the hammer body is arranged on a piston rod of the hydraulic cylinder, the buffering assembly is arranged at the end, away from the hydraulic cylinder, of the shell, a through hole used for sleeving a concrete pipe pile is formed in the shell, and the hydraulic cylinder and the buffering assembly are arranged at the two ends of the through hole respectively. The concrete pipe pile has the effects of reducing the possibility of breakage of the pile head of the concrete pipe pile, saving energy and protecting the environment. 本申请涉及工程建筑机械的技术领域，尤其是涉及一种打桩锤。其包括壳体、设置于壳体的端部的液压缸、设置于液压缸的活塞杆上的锤体以及设置于壳体远离液压缸的一端的缓冲组件，所述壳体上开设有用于套设混凝土管桩的通孔，所述液压缸以及缓冲组件分别设置于通孔的两端。本申请具有减少混凝土管桩的桩头发生破裂的可能性以及节能环保的效果。