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本文介绍了塔桅起放中应用的平面连杆（平形四边形、双摇杆）及其演化（导杆）机构的特点，在设计时选择合适的连杆机构，以满足运输、使用要求，改善起落塔桅时铰点处的受力状态。
In this paper, the characteristics of the plane connecting rod (flat quadrangle, double rocker) and its evolution (guide rod) mechanism used in the towering mast are introduced. The suitable connecting rod mechanism is selected in the design to meet the requirements of transportation, Lifting tower mast hinge point at the stress state.