Ladders for construction works on the catenary

摘要

The invention relates to the field of railway transport, and can be used during installation and repair work contact network of electrified railways. Ladder for assembly work on the catenary comprises two links, the top of which is arranged to relatively lower extension. It is also equipped with a ladder locks to secure the positional relationship staircase links the pole shunt, shoe grounding devices for hanging ladders to the wire contact system and stops to fix it on the ground. Besides ladder comprises upper and lower belts shunt. Shunt zone pose a coil of copper rod disposed in the upper portion of the upper link and the lower portion of lower stair unit. Bowstring and ladder made of an electrically insulating fiberglass U-profile. Rod shunt is connectable with the catenary wire and the one of the stages of the upper ladder diverter belt by a bonding wire. Shoe grounding arranged to be connected with the rail and one of the steps of the lower ladder diverter belt by a bonding wire. The technical result of the claimed technical solution is to increase the reliability and safety of installation work. 3 ZP f ly-1-yl.