FIELD: construction.
SUBSTANCE: legged bridge construction gantry consists of powered trucks interconnected with a transverse bridge and lift-and-transfer mechanisms (mounted on the trucks) consisting of a cross bar, support legs and walking legs and trucks moving along the cross bar skids. The walking legs are telescopic ones, with integrated hydraulic cylinders and resting on swivel joints, with swivel studs mounted on all the bridge pillars. The support legs are pivotally connected to the brackets of the powered trucks and are equipped with carrying hydraulic cylinders. The cross bar is pivotally suspended onto the legs to remain in the horizontal position.
EFFECT: enhancing the erection procedures efficiency.
2 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2389680C1 |
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|
RU2181396C1 |
| CANTILEVER-LOCK CRANE FOR ERECTING BRIDGE STRUCTURES | 0 |
|
SU971779A1 |
| CRANE FOR MOUNTING RAILWAY BRIDGE FRAMEWORK | 2002 |
|
RU2225829C2 |
