冲击式打桩机具有构造简单、工作可靠和使用方便、设备费用较低等优点，能打各种规格的极，故占有较大的应用比例。但在施工时振动和噪声较大，工作环境恶劣，露天作业时的风、雨、砂对桩锤的损伤影响很大。与之配套的行走机构、平台、立柱、支撑、动作机构和附属起落极架等零 Impact piling machine has the advantages of simple structure, reliable operation, convenient use and low equipment cost. It can play a variety of poles, so it occupies a larger proportion of applications. However, during construction, the vibration and noise are great, and the working environment is bad. Wind, rain, and sand in the open air operation have a great impact on the damage of the pile hammer. Supporting walking mechanism, platform, column, support, action mechanism and auxiliary landing gear and other zero