Device and method for testing reliability of anti-loosening structure of bucket rod oil cylinder of excavator

The invention relates to a reliability test device and method for an excavator bucket rod oil cylinder anti-loosening structure, and belongs to the technical field of engineering machinery. Comprising a fixing piece, a loading device and a tested piece, wherein the loading device and the tested piece are fixed on the fixing piece; the fixing piece comprises a transition tool, a tested piece mounting seat, a loading cylinder fixing seat, a rack and a rack supporting seat, the rack is arranged on the rack supporting seat, the tested piece mounting seat and the loading cylinder fixing seat are arranged on the rack, the transition tool is arranged on the tested piece mounting seat, a tested piece is arranged on the transition tool, and the loading cylinder fixing seat is arranged on the loading cylinder fixing seat. And the loading device is fixed on the loading cylinder fixing seat. The invention has the following beneficial effects: 1, the principle and the structure are simple; 2, the rack adopts a transition