The utility model provides a liquid accuse is torn round pin accent open and is moved device, transfers the cylinder body that moves hydraulic jack to be connected with liquid accuse operation panel, transfers the telescopic link transmission that moves hydraulic jack to be connected with the integrative accent that links to each other and moves horizontal guide arm and move with the accent and stand to the guide arm, and the accent moves horizontal guide arm and the accent moves immediately to having offered the traction cable hole on the guide arm respectively, fixedly connected with pin removal support frame on the base has been placed on the pin removal support frame and has been suspended portable pin removal in midair, suspends portable pin removal in midair and includes the hydraulic jack that pulls pin, and the hydraulic jack's that pulls pin cylinder body is connected with liquid accuse operation panel, and the hydraulic jack that pulls pin has the piston rod of pulling pin, the hydraulic jack's that pulls pin at the piston rod of pulling pin place cylinder body one end fixedly connected with and the corresponding pin guide of pinhole, and the piston rod of pulling pin is located the pin guide. The protection network of the vertical setting of fixedly connected with on the base. The open end fixedly connected with and the corresponding support ring of pinhole of pin guide. Set up the observation groove of rectangular shape on the pin guide, observation groove's trend is unanimous with the piston rod.