Frame bonding protection device and method

The invention discloses a frame bonding protection device and method. The frame bonding protection device is characterized by comprising an installation hole in a bonding point on a frame, a bolt penetrates through the installation hole during electrophoresis, the stretch-out end of the bolt is connected with a cover-type nut wrapping the stretch-out end, and a flat gasket placed between the cover-type nut and the frame is arranged on the bolt. The bonding protection device and method are simple in structure, easy to operate and free of damage to a base body material, are meanwhile beneficialfor realizing the conductive function of the bonding point and have high practicability and good application prospects. 本发明公开了种车架搭铁防护装置及防护方法，其特征在于：包括设在车架上搭铁点位置的安装孔，电泳时将螺栓穿设在安装孔内，在所述螺栓的伸出端上连接有包覆所述伸出端的盖型螺母，所述螺栓上设有置于所述盖型螺母与车架之间的平垫圈。本发明这种车架搭铁防护装置及防护方法，结构简单，操作简单，不损伤基体材料的同时有利于实现搭铁点的导电功能，具有较强的实用性和较好的应用前景。