推土机底盘支架螺纹联接改造方法

潜孔钻和推土机是矿山主要采矿设备，检修上述设备经常遇到行走部分无法恢复诸多问题．尤为突出的是支重轮座子的联接因长期在复杂环境中使用出现锈蚀、松旷等无法修复的难题，本方法着重论述如何有效恢复行走部分支重轮座子的联接问题，并进行了方案的可行性论证，提出了相应的修复方案。以便指导矿山生产。

Upgrading of screw connection of bulldozer's chassis supporting

Down-hole drill and bulldozer are important equipment in mining,which often have some mechanical traveling problems difficult to handle with,in particular,the connection of supporting wheel's base due to corrosion and slackness.The paper describes the recovery of connection of supporting wheel's base for traveling component in detail and presents relevant remedies,which may give a reference to the mine operation.