This paper introduces a digital instrument for vertality of pilehammer. In the instrument AT89C51 is the key chip . The structure of instrument, s hardware and software are analysed.
介绍一种以单片机AT89C51为核心的垂直度测量仪，分析了硬件组成及主要软件工作流程。
2
Hydraulic pilehammer is one of the pile driving machines that drive prefabricated piles into the ground in the construction of pile foundation such as construction, bridge, dock, etc.
液压打桩锤是用于建筑、桥梁、码头等桩基础施工中打入预制桩的桩工机械。
3
Mechanical impact dynamics is used to analyse the production and spread of stress wave when hydraulic pilehammer hammerblows piles, the stress wave influence the course of driving pile.