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DFH型接触网放线车 Model DFH ocs unrolling car

DFH型接触网放线车是适用于电气化铁路接触网导线和承力索收线、放线作业的专用车辆。该车即可单独也可同时进行接触线、承力索的架设和回收;在放线过程中,使接触线和承力索始终保持预定张力并将接触线和承力索支撑到各自所需的位置。该车设置两套独立的张力机构,张力机构采用双摩擦轮结构。设有压紧导轮,可防线索跳槽而被拉伤。液压升降回转作业平台采用双作用油缸,可实现升降和左、右各120°的回转;可同时供六、七位施工人员同时在平台上作业。
Model DFH ocs unrolling car is a special vehicle for winding of catenary and carrying cable as well as catenary setting and stretching of electrified railway. The vehicle is able for both separate and simultaneous erection and recovering of catenary and carrying cable. During catenary setting and stretching process, the catenary and carrying cable are always maintained at a predetermined tension and both catenary and carrying cable are supported to their respective required positions. The vehicle is equipped with two independent tension mechanisms which use double friction wheel structure. It has the tightening guide pulley to prevent strain due to dislocation of catenary or carrying cable. The hydraulic lifting and slewing operation platform uses double acting cylinder to achieve lifting and 120° slewing to left and right and provides the operation space for six or seven operators at the same time on the platform.

DFH型接触网放线车主要由轨道平车和作业装置两部分组成。
Model DFH OCS unrolling car mainly consists of two parts, namely track flat car and working unit.

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