Building steel structure pig raising fence with cleaning function and cleaning method thereof

The invention relates to the technical field of pig raising fences, in particular to a building steel structure pig raising fence with a cleaning function and a cleaning method thereof. The pig raising fence comprises a pig raising fence body, the pig raising fence body comprises first fences, and second fences are fixedly installed at the left ends and the right ends of the two first fences; cleaning mechanisms are arranged in the bottom ends of the two first fences, each cleaning mechanism comprises a first cavity, a threaded rod is arranged in each first cavity, and the left end of each threaded rod penetrates through the interior of the second fence at the left side and extends to the outer wall of the second fence at the left side to be fixedly provided with a first bevel gear; and a second bevel gear is engaged with the left side of the first bevel gear, a rotating rod is fixedly mounted in the second bevel gear, and dismounting mechanisms are arranged in the two ends of a connecting rod correspondingly