Filling pile concrete guide pipe assembling and disassembling device and construction method thereof

The invention relates to a filling pile concrete guide pipe assembling and disassembling device which comprises a stand and a hoisting system. The stand is formed by connecting a base, a door frame and two slant struts; the door frame is connected with one side of the base; the lower ends of the two slant struts are connected with the other side of the base, and the upper ends of the two slant struts are connected with the upper parts of two door posts of the door frame; the hoisting system comprises a guide wheel, a hoisting machine, a steel wire rope and a pulley hoisting hook; the guide wheel is arranged in the center of the door frame; the hoisting machine is arranged at the middle part of the base and between the two slant struts; the steel wire rope is wound on the hoisting machine and passes by the guide wheel; and the pulley hoisting hook is used for assembling and disassembling a concrete guide pipe or hopper and connected with the steel wire rope. In the invention, the restriction of an automobile h