Prestressed concrete tensioning device

The utility model discloses a prestressed concrete tensioning device, which relates to the prestressed concrete field, and comprises a machine body, a rainproof mechanism and a tensioning mechanism, one end of the outer wall of the machine body is provided with a starting switch, the two sides of the top end of the outer wall of the machine body are welded with handles, the top end of the machine body is provided with a controller, and the controller is connected with the rainproof mechanism. A display screen is embedded in one end of the surface of the controller, and a dial plate is embedded in the other end of the surface of the controller. According to the utility model, through the arrangement of the tensioning mechanism, when a concrete reinforcement at a high position is subjected to pre-stress tensioning, hoisting equipment can be inserted into the hook welded at the top end of the center hole jack, so that the center hole jack is hoisted, and the concrete reinforcement at the high position is sleeved