振动时效技术在石油机械制造中的应用

石油机械中大量的焊接件、锻件、铸件在加工制造过程中均需进行去应力退火，其目的主要是为了降低残余应力、减小工件的变形和开裂。在钻机制造过程中针对井架架身、井架底座、机房底座、联动机底座、绞车支架等重型焊接构件上进行了振动时效技术系列试验和研究，并针对大庆Ⅱ130钻机传动装置的联动机底座进行了振动时效工艺研究，确定了合理的工艺参数，并对激振力、激振频率、激振时间、支撑点、激振点、拾振点进行了合理取舍，实际应用取得了满意的效果。对石油机械制造具有重大意义。

APPLICATION OF THE VIBRATORY STRESS RELIEF TECHNOLOGY IN PETROLEUM MACHINE MANUFACTURING

In the manufacturing process, many of the welding, forging and casting pieces require processing of stressrelief, that is, heat stress relief treatment in the oil machinery, its main purpose is to reduce the residual stress and decrease deformation and cracking of the workpiece. A series of the experiments and researches are conducted on the rigs which are against derrick own planes, the base of derrick ,engine room and linkage plane, and other heavy welding parts in the manufacturing process, the vibratory stress relief technique is applied to the research of the Daqing rig gear linkage II 130, the reasonable parameters determined ,and a reasonable choice given about the exciting force, frequency and time, supporting point ,excitation point and pickup point , satisfactory results achieved in the practical application. It is of great significance to the petroleum machinery manufacturing.