The compact layout structure of the three-curve shortened crossing line of the eight-shaped car washing line in urban rail transit

Abstract

The invention discloses an urban rail transit splay vehicle washing line compact arrangement structure with shortened crossovers through three curves. The structure comprises an application house. An entrance segmental line and an exit segmental line are parallelly arranged on the throat section of the application house, crossed crossovers are arranged between the entrance segmental line and the exit segmental line and composed of a third turnout junction, a fourth turnout junction, a fifth turnout junction, a sixth turnout junction and a diamond crossing, the third turnout junction and the sixth turnout junction are positioned at the entrance segmental line, the fourth turnout junction and the fifth turnout junction are positioned at the exit segmental line, a second turnout junction and a seventh turnout junction are arranged on the two sides of the third turnout junction and the sixth turnout junction, the second turnout junction is a leftwards opened turnout junction, and the seventh turnout junction is a rightwards opened turnout junction. According to the structure, the line distance between a switching lead and the entrance segmental line is shortened through different combinations of leftward opening and rightward opening of the turnout junctions between the switching lead and the entrance segmental line, as well as the reasonable connection of curves and intermediate straight lines, and the land area is saved.

Description

technical field [0001] The invention relates to the technical field of urban rail transit lines, and specifically refers to a compact layout structure of a three-curve shortened crossing line of a figure-eight car washing line in urban rail transit. Background technique [0002] At present, in the domestic urban rail transit depots, the basic layout types of car washing lines commonly used are mainly three types: throat area through type, throat area eight-shaped type and end type; from the perspective of car washing efficiency, the throat area through type is the most efficient, followed by It is a figure-eight type in the throat area, and the efficiency of car washing in the end-type arrangement is relatively low, and the arrangement type with higher car washing efficiency requires a longer land use. Judging from the current domestic depot design practice, limited by terrain conditions, the through-type in the throat area is often impossible to realize, while the figure-of...

AI Technical Summary

Problems solved by technology

[0004] Although this arrangement has been widely used, the first pull-out line 7, the second pull-out line 8 and the entry line 2 are connected through the first flat line 12 and the second flat line 13, so that the first pull-out line 7 , The line distance between the second pull-out line 8 and the entry line 2 is relatively large, resulting in a relatively long throat area

With the increasing shortage of urban construction land, and the urban rail transit section occupies a huge area, limited by the direction of urban rail transit lines, there are very few construction lands available for site selection, and the traditional layout method is increasingly restricted by the terrain; in addition, the traditional The construction cycle of urban rail transit in China is long, and some projects take 8 to 10 years from preliminary planning to construction start. Even the site selection that has been controlled in the early stage is affected by the depth of design, urban construction and data collection, etc., and it is difficult to meet the requirements of later construction. requirements, causing great trouble to the design

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