A catenary device at a crossover line

Abstract

The invention provides a catenary device at a crossover line, which includes a left bus bar, a right bus bar, a connecting part and an intermediate joint. The left bus bar and the right bus bar are used to adapt the track radius and realize The connection between the standard bus bars, the ends of the left bus bar and the right bus bar are connected to the standard bus bar through the middle joint, the left bus bar is connected to the right bus bar through the connecting part, and the left bus bar 1. The right bus bar transmits current through the connecting part, and the current carrying capacity is controlled by the cross-sectional area of ​​the connecting part. The left bus bar, the right bus bar and the connecting part are integrally formed. The invention takes into account the working conditions of the crossing switch, the pantograph-catenary current receiving capacity and the function of the middle anchor at the same time, and is safe and reliable.

Description

technical field [0001] The invention belongs to the field of rail transit, and in particular relates to a catenary device at a crossover. Background technique [0002] Based on the advantages of energy saving, environmental protection, convenient travel and the promotion of urban economic and life development, light rail transportation is developing rapidly in more and more cities. The underground tunnel mode has been adopted. In order to ensure the functional services of train receiving and dispatching, turning back, communication, safety guarantee, temporary parking, etc., the turnout is connected with the main line or the real track that communicates with each other, involving crossing turnouts. [0003] The allowable turning radius of light rail vehicles is generally smaller than that of subway vehicles. Turnouts below R100, especially R50 / R25 turnouts, have large turning angles and are only suitable for light rail vehicles. Underground tunnels generally use HL 2213-x T...

AI Technical Summary

Problems solved by technology

Underground tunnels generally use HL 2213-x TB / T 3252-2010 overhead busbars to supply power to pantographs. The minimum radius of manual pre-bending of this type of busbar is 80m, and the minimum radius of mechanical pre-bending is 45m. There are strict requirements for the position of the busbar. According to actual experience, the actual radius of the busbar should be below R10. Currently, there are pre-bending processes and processing methods for the busbar. Mechanical pre-bending cannot meet the actual radius of the busbar and cannot meet the R50 / R25 series of light rail switches. asked questions

The space at the crossover line of R50 / R25 series turnouts of light rail is too small to meet the design layout and actual construction conditions

In the traditional crossover scheme, the number of intermediate anchor components related to the crossover is 4, which occupies a large space; different anchor sections are connected by electrical connecting wires to expand the live range and increase the risk of power loss

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