我队501机改进成功簡易安全卡和滑輪組式平衡器,使用效果良好。解決了缺少平衡器装的KAM—500型鑽机的平衡装置問題。装置方法:将弯杆装在小卡軸立軸箱上,再把叉杆叉入小卡把上,用鉚釘鉚固,用拉带一头接在叉杆小眼內,另一头繞过弯杆上部转到給进槽轮下部繞插給进把特纘的小孔內,並以彈簧的一头接稳在小卡把 Our team successfully improved the 501 machine safety card and pulley balancer, the use of good results. Solved the balance device problem of KAM-500 drilling rig lacking balancer. Installation method: install the bending rod on the small shaft vertical shaft box, and then fork the fork rod into the small card holder, fix it with rivets, use the pull tape to connect one end in the small eye of the fork rod, and the other head to bypass the upper part of the bending rod Go to the lower hole of the feed sheave and insert it into the hole of the feed roller, and fasten it with a spring to the small handle