Buffer protective device of blasting construction wellhead of manual hole digging pile

The invention discloses a buffer protective device of a blasting construction wellhead of a manual hole digging pile. The protective device comprises a support skeleton, wherein a bottom frame is arranged at the bottom of the support skeleton; a protective net is arranged at least on the lower part of the support skeleton, and the protective net circumferentially wraps the support skeleton; and ahorizontal support plate is arranged in the lower part of the support skeleton, the support plate is connected with the bottom frame of the support skeleton by virtue of a plurality of springs, a pressure relief hole is formed in the support plate, and a detachable load is arranged above the support plate. The protective device has the advantages of convenience in disassembly and assembly and movement and good protective effect. 本发明公开了一种人工挖孔桩爆破施工井口缓冲防护装置。所述防护装置包括支撑骨架，支撑骨架的底部设有底架；所述支撑骨架的至少下部设置有防护网，该防护网周向包绕所述支撑骨架；所述支撑骨架下部内设有水平设置的支撑板，该支撑板与支撑骨架的底架之间通过多根弹簧相连，所述支撑板上开设有泄压孔，所述支撑板上方设有可拆卸的负重。本发明的防护装置拆装、移动方便，且防护效果好。