Device and method for testing tensile force of arc extinguish chamber of circuit breaker

The invention relates to the technical field of substation maintenance equipment, in particular to a circuit breaker arc extinguish chamber tension testing device which comprises a base, a fixing assembly, a sliding rail, a sliding block, a servo motor, a ball screw, a force sensor, a fixing assembly and a computer with a screen. A fixing assembly is arranged on the base, and the fixing assembly is used for being fixed to an electric box; a sliding rail is arranged on the base, and a sliding block is installed on the sliding rail in a sliding mode. A servo motor is installed on the base, the output end of the servo motor is connected with a ball screw, and the other end of the ball screw is connected with a sliding block. A force sensor is mounted on the sliding block, and the other end of the force sensor is connected with an object to be measured; the sliding block is provided with a computer with a screen, the computer with the screen is used for controlling the servo motor and receiving signals of the for