BRIDGE LAYER Russian patent published in 2017 - IPC E01D15/127 

FIELD: construction.

SUBSTANCE: bridge layer includes self-propelled chassis, a laying mechanism and a track span structure of the bridge, each track of which consists of a middle section and end sections hingedly connected thereto by means of eyelets and pins. The span structure of the bridge is made of the middle track and the extreme tracks hingedly connected thereto with the possibility to rotate in the vertical plane, fixed in the upper working position or in the lower transport position. In the upper working position, the extreme tracks together with the middle track form a bridge with a solid roadway without an inter-track gap. Turned to the lower transport position, the extreme tracks form a structure of the outline rectangular in cross-section, with the width not exceeding the width of the self-propelled chassis.

EFFECT: increasing the throughput capacity of the bridge being built by the bridge layer.

7 dwg