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本文介绍的悬挂式打桩机是以履带起重机为底盘，以吊臂吊导杆、支持架一端由销轴与履带起重机平台铰接，另一端与导杆底部相联，再配以柴油打桩机（见图），本文就失稳和安全使用作一简介。1作业工况履带起重机仅承受单向载荷，有一定爬坡能力，接地比压小，而桩机要承受各个方
The suspended pile driver introduced in this paper is a crawler crane as a chassis, a boom hanging guide rod, an end of a support frame hingedly connected by a pin axis and a crawler crane platform, and the other end is connected to the bottom of a guide rod, and is equipped with a diesel pile driver (see Figure) This article gives a brief introduction to instability and safe use. 1 Working condition The crawler crane only bears one-way load, has certain climbing ability, and the grounding pressure is small, and the pile driver has to bear all sides.