Testing apparatus for earthquake isolation element
专利汇可以提供Testing apparatus for earthquake isolation element专利检索，专利查询，专利分析的服务。并且PURPOSE: To make it possible to obtain the tensile force when a body under test is broken by providing an operating computer which receives the output signal of an amplifier for transmitting and receiving ultrasonic waves to and from a detector and operating moment acting on an earthquake isolation element.
CONSTITUTION: An ultrasonic wave which is transmitted from an ultrasonic wave measuring device 23 is transmitted to the probe of a detector through a switch 22, propagated in a bolt 17, reflected and returned to the measuring device 23 again. When a tensile force is applied on the bolt 17, the speed of the ultrasonic wave which is transmitted in the bolt 17 back and forth is changed since the density in the bolt 17 is slightly changed. When the speed of the ultrasonic wave is measured, the tension of the bolt 17 can be converted. Then, the converted tension of the bolt 17 is sent into a computer 24 and stored in the computer 24. A signal for switching to the next detector is sent to the switch 22. This operation is repeated. In the computer 24, moment which is generated in an earthquake isolation element 2 is obtained based on the position of the bolt 17 that is keyed in beforehand and the tensile force of the bolt 17 which is sent form the measuring device 23.
COPYRIGHT: (C)1990,JPO&Japio，下面是Testing apparatus for earthquake isolation element专利的具体信息内容。
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