The tensile bearing of grid structure is the tensile bearing used in steel structure engineering. At present, there are several ways for the grid support in shopping malls: the grid support commodity basin-type tension and compression support transformed from highway basin-type rubber support, and the structure of the upper support plate and bottom basin of the support is slightly adjusted to complete the tensile and horizontal force resistance of the support, and the corner of this commodity is small, usually 0.02 arc.

　　根據上部結構與支架旋轉中心的對應位置，球面旋轉方向可以與平面滑動方向相同或相反。如果兩個轉動中心重合，平面上就不會有滑動。支座轉動時，首先發生在球面板和球面四氟板上，然后在平面四氟板上滑動，因此球面支座特別適用于轉角要求較大的橋梁?？臻g桁架球鉸支座和鋼結構球鉸支座的豎向承載力、水平承載力、位移、轉角和摩擦系數應滿足支座設計要求。固定軸承和單向活動軸承之間在非活動方向上的設計滑動間隙為0.5毫米..球鉸軸承的設計轉角:0.02rad沿橋梁方向； 橫橋向為0.01rad，工作溫度范圍:-50℃~ 60℃?？梢栽?0‰的坡道上使用。在坡道上使用時，可采用支座頂板坡度調整或梁底混凝土調整。調整后，線路坡度與支座頂板坡度之差不應大于4‰，球鉸活動支座摩擦系數在溫度高于-25℃時μ≤0.03，低于-25℃時μ≤0.05。