Prestressed anchor cable tensioning device for green construction

The utility model provides a pre-stressed anchor cable tensioning device for green construction, which comprises a cement pier and a tensioning mechanism, an anchor cable is arranged in the cement pier, a positioning mechanism is arranged on the left side of the cement pier, and the tensioning mechanism is arranged on the left side of the positioning mechanism. According to the anchor cable tensioning device, by arranging the tensioning mechanism, when the anchor cable needs to be tensioned, the center hole hydraulic jack is sleeved with the anchor cable, then the second through hole in the second anchorage device is aligned with the anchor cable to be inserted into the anchor cable, then the clamping piece slides from the fixing rod, the clamping piece is inserted between the anchor cable and the second through hole, and the center hole hydraulic jack is used for leveraging force; when the oil pipe and the signal line are inserted into the ground, the oil pump is opened, tensioning is started, clamping piece