Steam turbine tooth tension test device

The invention relates to a steam turbine tooth tension test device which comprises a strip-shaped support, a transmission part, a driving part, a detection part and an insertion strip, wherein a stop block is arranged at one end of the strip-shaped support, the first end of the transmission part is in threaded connection with the driving part, the transmission part is matched with the stop block in an abutting mode, the second end of the transmission part penetrates through the stop block and extends into the strip-shaped support, the detection part is arranged in the strip-shaped support in a sliding mode, the first end of the detection part is connected with the second end of the transmission part, the second end of the detection part is detachably connected with the insertion strip, and the driving part rotates to drive the transmission part to move in the extending direction of the strip-shaped support. According to the steam turbine tooth tension test device, the problems of high operation difficulty, in