Safe self-locking device for protective cover of husking machine

The utility model discloses a safe self-locking device of a shucking machine protective cover, which comprises limiting self-locking devices, the limiting self-locking devices are arranged on upright posts at two ends of the shucking machine protective cover, the protective cover touches a safety buckle after being opened, the safety buckle retracts, and the protective cover is locked under the pushing of a spring after reaching a specified position. When the protective cover is closed, the pull ring needs to be pulled, the safety buckle retracts, the protective cover is closed, the protective cover does not need to be held by hands of a worker in the whole process, manpower is saved, and potential safety hazards existing in the detection, maintenance and feeding processes are avoided. 本实用新型公开了一种剥壳机防护罩的安全自锁装置，包括：限位自锁装置，限位自锁装置安装到剥壳机防护罩两端立柱处，防护罩开启后碰到保险卡扣，保险卡扣回缩，防护罩到达指定位置后在弹簧的推动下锁紧防护罩，关闭防护罩时需拉动拉环，保险卡扣回缩防护罩关闭，整个过程无需工人手扶着防护罩，既节省人力又避免检测、维修以及上料过程中存在的安全隐患。