履带起重机是常用的流动式起重机之一，以其起重能力大、接地比压小、臂架组合方式多样、可以带负荷行走等特点，被）广泛应用于水利、水电、石油化工、港口装卸、路桥施工、工民建施工等领域。 由于履带起重机的自重较大以及履带可能对路面造成损害等原因，在使用过程中通常都 Crawler cranes are one of the most popular mobile cranes. They are widely used in water conservancy, hydropower, petrochemicals, port loading and unloading due to their large lifting capacity, small specific grounding pressure, various combinations of boom assemblies and loads. , Road and bridge construction, workers and civil engineering workers and other fields. Due to the heavy crawler crane and the track may cause damage to the pavement and other reasons, usually in the course of use