Pipeline cutting device for petrochemical installation engineering

The utility model discloses a pipeline cutting device for petrochemical installation engineering, and belongs to the technical field of cutting devices. The pipeline cutting device overcomes the defect that in the prior art, a traditional pipeline cutting device cannot achieve stepless adjustment of the size of a matched pipeline. A main body structure of the pipeline cutting device comprises a bottom plate and a top plate, the bottom plate is connected with the top plate through side plates, a lower fixing mechanism used for fixing a pipeline is arranged on the bottom plate, a cutting mechanism and a telescopic mechanism are arranged on the top plate, and the lower end of the telescopic mechanism is connected with an upper fixing mechanism through a damping mechanism. The pipeline cutting device is mainly used for pipeline cutting for petrochemical installation engineering. 本实用新型公开了一种石化安装工程用的管道切割装置，其属于切割装置技术领域。它解决了现有技术中传统管道切割装置存在的不能实现无级调节匹配管道尺寸的缺陷。其主体结构包括底板和顶板，底板通过侧板与顶板连接，所述底板上设有用于固定管道的下固定机构，顶板上设有切割机构和伸缩机构，伸