Spatial three-dimensional multifunctional steel truss bridge anti-electricity maintenance vehicle

Abstract

The invention provides an electricity preventing operation overhauling car for a space three-dimensional multifunctional steel truss bridge. The electricity preventing operation overhauling car comprises a large frame, wherein a simply supported beam is arranged at the bottom of the large frame; a longitudinal walking system matched with a longitudinal walking rail arranged at the upper end surface of a steel beam is arranged on the lower end surface of the large frame; a longitudinal walking braking device is arranged on the longitudinal walking system; a traversing trolley walking system arranged on a traversing trolley frame is matched with a traversing trolley rail arranged on the upper end surface of the simply supported beam; a middle lifting system is arranged in the traversing trolley frame; an under-beam rotary overhauling railing device is arranged at the lower end of the middle lifting system; a side part lifting system is arranged at each of two transverse ends of the large frame; a side part rotary overhauling railing device arranged at the lower end of each side part lifting system moves up and down by virtue of the side part lifting system; and the overhauling operation of a trussed beam and a crossbeam of a steel beam is realized by virtue of the rotation, overturning and up and down lifting of the side part rotary overhauling railing devices. The electricity preventing operation overhauling car provided by the invention has the performances of being multifunctional and capable of overhauling multiple pier holes, saving cost, reducing workload, facilitating transportation and mounting, and being safe and reliable.

Description

Technical field [0001] The invention belongs to the technical field of railway bridges and highway bridge maintenance vehicles, and specifically relates to a space three-dimensional multifunctional steel truss bridge maintenance vehicle for electrical protection operations. Background technique [0002] China’s steel truss bridge maintenance vehicles are currently divided into upper maintenance vehicles and lower maintenance vehicles. Because the bridge is formed by multiple pier holes between the piers, the lower maintenance vehicle installed in one pier hole cannot run due to the blockage of the pier. Maintenance is carried out in the next bridge pier hole, so it is necessary to use the method of one vehicle and one hole with the lower maintenance vehicle installed in each bridge pier hole, resulting in a large amount of lower maintenance vehicles and high maintenance costs; moreover, the running track of the lower maintenance vehicle Use ≥25 # The I-beam is attached to the out...

AI Technical Summary

Problems solved by technology

[0002] my country's steel truss bridge maintenance vehicles are currently divided into upper maintenance vehicles and lower maintenance vehicles. Since the bridge below is formed by multiple pier holes between piers, the lower maintenance vehicle installed in a pier hole cannot run to the bridge due to the obstruction of the pier. Maintenance is carried out in the next pier hole, so it is necessary to use the method of one car and one hole in which the lower maintenance vehicle is installed in each pier hole, resulting in a large amount of lower maintenance vehicles and high maintenance costs; moreover, the running rail of the lower maintenance vehicle Adopt ≥25 # The I-beam is hung on the outer side of the lower chord of the steel beam or the lower part of the lower chord, and the steel consumption of the lower running track is much larger than that of the lower maintenance vehicle, which increases the cost of bridge maintenance; in addition, with the development of expressways, More importantly, the leap-forward development of high-speed rail and the potential large demand of the "Belt and Road" in the future will increase the number of under-supported steel girder bridges, increase the number of spans and holes, and change the structure. If the existing inspection vehicle is used, the flexibility If it can’t keep up, the amount of steel used and the cost will also increase greatly, and some key parts of the bridge cannot be repaired or repaired in place, so it is necessary to propose improvements

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