Protective frame special for collecting bag opening operation and protective method of protective frame

The invention discloses a protective frame special for collection bag opening operation and a protective method thereof.The protective frame comprises a positioning frame, a supporting frame and a protective fence, the bottom of the positioning frame can be inserted into a positioning groove of a large cutting table in a matched mode so as to fix the position of the protective frame, the supporting frame is fixed to the upper portion of the positioning frame, and the protective fence is fixed to the lower portion of the positioning frame. The protective guard is fixed above the positioning frame, and the protective guard is located on one side of the positioning frame. The protective frame can form good support, and potential safety hazards caused by rolling of the collected bags after falling are avoided. 本发明公开了一种集袋拆口作业专用防护架及其防护方法，所述防护架包括定位架、支撑架和防护栏，所述定位架的底部可匹配插入割口大台的定位槽内以固定所述防护架的位置，所述支撑架固定于所述定位架上方，所述防护栏固定在所述定位架的上方，所述防护栏位于所述定位架的一侧。所述防护架可形成良好的支撑，避免集袋掉落后翻滚造成的安全隐患。