Steel structure protective shed tunnel for crossing section of high-voltage power line and railway

Abstract

The invention discloses a steel structure protective shed tunnel for a crossing section of a high-voltage power line and a railway, a supporting structure is a steel structure and comprises longitudinal supporting columns vertically arranged on the two sides of the railway and a top frame supported by the longitudinal supporting columns, and the top frame is composed of a cross beam and a longitudinal beam perpendicular to the cross beam; the beam is provided with a buffering piece, the buffering piece comprises connecting pieces arranged in parallel in the longitudinal direction, an elastic piece arranged coaxial with the beam, and a pressing plate perpendicular to the axis, the supporting structure is excellent in mechanical property, the impact load of the wire is effectively buffered, the supporting structure is prevented from being damaged, the service life of the supporting structure is greatly prolonged, and the supporting structure is suitable for being used in a large-scale production line. And safe operation of the railway is guaranteed.

Description

technical field [0001] The invention relates to a high-voltage line bearing shed, in particular to a steel structure protective shed for high-voltage power lines and railway crossing sections. Background technique [0002] With the rapid development and construction of UHV power grids and high-speed railways, there are more and more cases where high-voltage power lines cross high-speed railways. . For the completed power line, the design standard is based on the ice thickness of 10 mm. However, in extreme natural environments, the wire ice thickness can reach 20 mm. The huge ice thickness increases the load on power lines and increases the risk of wire breakage or tower collapse. When the high-speed railway crosses the power line, once a disconnection accident occurs on the power line, the power line will fall to the railway line. The high-speed falling power line will impact and damage the rails, affect the daily operation of the high-speed railway, and cause immeasurabl...

AI Technical Summary

Problems solved by technology

The high-speed falling power line will impact and damage the rails, affect the daily operation of the high-speed railway, and cause immeasurable economic losses and social impact

The existing technology mainly solves this problem by building permanent sheds. However, due to the impact load of the wires, the existing support structure is easily damaged and has a short service life, which greatly affects the safe operation of the railway.

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