Magnet yoke flaw detection test piece verification device

The utility model discloses a magnetic yoke flaw detection verification device, which relates to the field of magnetic yoke flaw detection, and comprises a base, two sides of the top end of the base are fixedly connected with a fixing shell, the fixing shell is used for inserting and fixing a magnetic yoke claw, the bottom end of the base is provided with a placing groove, and the placing groove is used for placing a test piece; clamping assemblies are arranged on the two sides and the top end of the containing groove, the clamping assemblies are used for stably clamping a test piece placed in the containing groove, and each clamping assembly comprises a first clamping block, a second clamping block, a connecting rod, a gear, protruding teeth, a moving groove and a nut. According to the utility model, the base, the magnet yoke claw groove and the test piece placing groove are arranged to replace the conventional method of fixing the test piece by continuously sticking an adhesive tape, and the clamping assemb