Clamping shaft of small box clamp and small box clamp

The utility model discloses a clamping shaft of a small box clamp and the small box clamp, and relates to the technical field of metallurgical mechanical equipment, the clamping shaft comprises a clamping shaft body, a first strain body, a second strain body, a power supply and a signal processing module; the first strain body is fixedly arranged on the clamping shaft body, and the first strain body is arranged between a first hook seat on an anode bus and a clamping assembly of a small box fixture; the second strain body is fixedly arranged on the clamping shaft body, and the second strain body is arranged between a second hook seat on the anode bus and a clamping assembly of the small box fixture; the signal processing module is used for being in communication connection with the first strain body and the second strain body; according to the clamping shaft of the small box clamp and the small box clamp, the risk that the small box clamp is not firm in clamping can be effectively reduced. 本实用新型公开了一种小盒卡具的卡紧轴以