Bridge erection machine aided support leg structure

Abstract

The invention discloses a bridge erection machine aided support leg structure. One end of the bridge erection machine aided support leg structure is hinged on a trunk beam of a bridge erection machine through an upper cross beam, and the other end of the bridge erection machine aided support leg structure is hinged on a support through a support steel pin; the bridge erection machine aided support leg structure consists of a plurality of telescopic joints by sleeving and splicing; the telescopic joints are in round tube structures, the surfaces of the round tubes are provided with a plurality of height adjusting holes, bolts are arranged to match the height adjusting holes, and the bolts pass through the corresponding height adjusting holes of the two adjacent telescopic joints to connect the two telescopic joints. Because the telescopic joints of the bridge erection machine aided support leg structure are in round tube structures and the adjacent telescopic joints are connected through the bolts and the height adjusting holes, compared with the traditional support leg structure, the bridge erection machine aided support leg structure has the advantages that: the structure is easily installed, the machining process is simple, and the height of the support leg can be adjusted flexibly, safely and reliably.

Description

technical field [0001] The invention relates to a device for assisting a bridge-erecting machine to pass through a hole, in particular to an auxiliary leg structure of a bridge-erecting machine. Background technique [0002] At present, the bridge erecting machine has become an indispensable engineering equipment for erecting highway bridges, conventional railway bridges, and passenger-only railway bridges. The bridge erecting machine is a device that places prefabricated girders on prefabricated bridge piers. Its main functions are The beams are lifted, transported into position and lowered. However, the bridge erecting machine is very different from the crane in the general sense. It requires harsh conditions, and there is walking on the beam, or longitudinal movement. In order to ensure the safe and stable passage of the bridge, the bridge erecting machine needs the assistance of outriggers when passing the hole. The expansion joints of the outriggers of the traditional ...

AI Technical Summary

Problems solved by technology

In order to ensure the safe and stable passage of the bridge, the bridge erecting machine needs the assistance of outriggers when passing the hole. The expansion joints of the outriggers of the traditional auxiliary bridge erecting machine are square expansion joints. Obviously, this kind of outrigger structure is adopted. There are disadvantages that the height of the outriggers is not easy to adjust; the processing is difficult, the installation is inconvenient and the safety factor is low

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