公开(公告)号：US4448080A

公开(公告)日：1984-05-15

申请号：US330026

申请日：1981-12-11

申请人： Manfred Dressel ,  Johannes Greven ,  Arnulf Jeck ,  Rudolf Magin ,  Guenther Nick ,  Paul Schaffarczyk ,  Guenther Weiss

发明人： Manfred Dressel ,  Johannes Greven ,  Arnulf Jeck ,  Rudolf Magin ,  Guenther Nick ,  Paul Schaffarczyk ,  Guenther Weiss

IPC分类号： G01M13/00 ,  G01N19/08

CPC分类号： G01M13/00 ,  G01N19/08

摘要： For the purpose of monitoring the formation and propagation of cracks in machine parts and components, especially in the rotating shafts of prime movers and mechanical equipment, at least one hole is drilled in the uncracked section of the component, this drilled hole intersecting the plane of the crack which is to be expected and being filled with a gas or a liquid, the gas or liquid being adjusted to a pressure above the ambient pressure, and the drilled hole being provided with a closure with respect to the environment and being connected, via a line, to an instrument for indicating a fall in the pressure of the medium present in the drilled hole.

摘要翻译： 为了监测机械部件和部件中的裂纹的形成和传播，特别是在原动机和机械设备的旋转轴中，在零件的未裂开部分中钻出至少一个孔，该钻孔与 预期的并且充满气体或液体的裂缝，气体或液体被调节到高于环境压力的压力，并且钻孔相对于环境设置有闭合件，并经由 一条线，用于指示存在于钻孔中的介质的压力下降的仪器。