Shelter bridge tow chain mechanism

The utility model relates to a shelter bridge tow chain mechanism, including walking frame, walking rest base portion is equipped with the floorbar, and the floorbar is equipped with traveling system, and walking frame middle part is equipped with well roof beam, and walking frame top is equipped with the back timber, and the floorbar top surface is equipped with down the guide way, and zhong liangshang is equipped with little support, is equipped with the guide way on the little support, goes up the guide way and overlooks the projection coincidence with direction down, is connected with the tow chain between little support and the floorbar, and the tow chain sets up in last guide way with little leg joint one end, and tow chain and the setting of bottom beam connected one end in the guide way, are equipped with the cable under in the tow chain. The utility model discloses a be equipped with the tow chain between the well roof beam of walking frame and floorbar, the installation transportation is convenient, and the support is stable high during strong wind weather, goes up guide way and guide way down and effectively avoids tow chain along the swing of corridor orientation, improves tow chain stability and life.