Temporary-cable-assistance-free suspension bridge sling force replacement device and replacement method

The invention relates to a suspension bridge sling force replacing device without temporary cable assistance, the replacing device is installed on a sling anchor head, the replacing device comprises a connecting component and a rigid jacking component, the connecting component comprises a steel truss (13), a steel sleeve (3), a bolt (13) and a shaft ring (11); the steel sleeve (3) is fixedly connected to the sling anchor head (4), the rigid truss structure (12) and the bolt (13) are used for connecting two slings, and the shaft ring (10) rotates around the axis of one sling (7); the rigid jacking component is arranged to be a hydraulic jack (11) and installed on the steel sleeve. The device is mainly installed at the anchor head of the sling, the sling force of the sling to be replaced can be transmitted to the existing sling, a temporary sling does not need to be installed, and the construction efficiency is high. 本发明涉及一种无临时索辅助的悬索桥吊索索力更换装置，更换装置安装于吊索锚头上，所述更换装置包括连接构件和刚性顶举构件，连接构件包括钢桁架(13)、钢套筒(3)、螺栓(13)以及轴环(11)；