| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a device for controlling a fastening force of a hydraulic torque wrench in which the fastening force of a fastening member is measured using an ultrasonic probe, an electric connecting mechanism is easily constituted for the measuring, and maintenance can be easily carried out. <P>SOLUTION: The ultrasonic probe Se is arranged in a socket So detachably arranged in the distal end part of a spindle S, a cable Ca1 led out from the ultrasonic probe Se is connected to a pin-shape electrode E1 arranged in the socket So, the electrode E1 and a circle ring-shape electrode E2 arranged in a supporting body Su arranged in the outer periphery part of the socket So and rotatably supporting the socket So are electrically connected by slidably bringing them into contact with each other, the electrode E1 arranged in the supporting body Su is connected to outside controllers Con1, Con2, Con3 via a cable Ca2. <P>COPYRIGHT: (C)2013,JPO&INPIT |
