Can change and adjust straightness's that hangs down leading truck

The utility model discloses a can change and adjust straightness's that hangs down leading truck, leading truck adoption truss structure, including upper strata activity manipulator structure, the fixed guide structure of lower floor to and connection upper strata activity manipulator structure and the fixed guide structure's of lower floor middle level stand, the fixed guide structure of upper strata activity manipulator structure and lower floor utilizes the fixed piling bar of horizontal thrust and adjusts the straightness that hangs down of piling bar. Its have rational in infrastructure, the practicality is strong, and is under construction that safety, accuracy are high, low in manufacturing cost's advantage. 本实用新型公开了种可变化并调整垂直度的导向架，导向架采用桁架结构，包括上层活动机械手结构、下层固定导向结构，以及连接上层活动机械手结构和下层固定导向结构的中层立柱，所述上层活动机械手结构和下层固定导向结构利用水平推力固定钢桩并调整钢桩的垂直度。其具有结构合理、实用性强，且施工安全、精确度高、制造成本低的优点。