Heavy dynamic sounding detection equipment for gravel pile

The utility model relates to heavy dynamic sounding detection equipment for a gravel pile. The heavy dynamic sounding detection equipment comprises a guide rod and a piercing hammer which coaxially penetrates through the guide rod and is connected to the guide rod in a sliding mode. And an inspection hole penetrating to the guide rod is formed in the side wall of the piercing hammer. A mounting groove is coaxially formed in the periphery of the outer side wall of the guide rod, a positioning ring block is connected into the mounting groove, when the axis of the center penetrating hammer is located on the positioning ring block, the distance between the bottom end of the center penetrating hammer and the bottom end of the guide rod ranges from 74 cm to 78 cm, and the outer side wall of the positioning ring block is flush with the outer side wall of the guide rod. The device has the effect that the precision of lifting the piercing hammer by field personnel is improved. 本申请涉及一种用于碎石桩的重型动力触探检测设备，其包括导杆以及同轴穿设且滑动连接于