The utility model discloses a midspan is closed up duan ding and is pushed away force transfer device, including being the dowel steel that the level was laid, the dowel steel is hollow structure, theinside packing of dowel steel has concrete structure, the front end and the rear end of dowel steel are provided with noseplate and back bottom plate respectively, the noseplate with the back bottomplate all with the dowel steel is to be laid perpendicularly, the rear end of back bottom plate pushes away with being used for the top the pusher machine of dowel steel constructs the connection, pusher machine construct with the dowel steel is laid on same straight line, the outside of dowel steel clamped be used for right the dowel steel horizontal position carries out the spacing frame that restricts. The utility model discloses simple structure and convenient operation, through inciting somebody to action the inside concrete -filled structure of dowel steel when the dowel steel receives jacking force, is undertaken by dowel steel and concrete jointly, has effectually increased the intensity that this top pushed away force transfer device, through the effective accuracy of guaranteeingthe dowel steel position of setting up of spacing frame.