Automatic adjusting device for test run of jaw crusher

The utility model discloses a jaw crusher test run automatic adjusting device which comprises a movable jaw part arranged on a jaw crusher, a flywheel is arranged on the movable jaw part, a balancing weight is arranged in the flywheel, and an adjusting mechanism for adjusting the position of the balancing weight in the flywheel is arranged in the flywheel. The adjusting mechanism comprises a stepping motor which is installed in the middle of the flywheel and used for driving the balancing weight to rotate. The stepping motor is connected with a PLC through a wire. The position of the balancing weight in the flywheel is adjusted by adjusting the stepping angle of the stepping motor, so that the amplitude of the whole crusher is adjusted to realize the dynamic balance of the whole crusher, the test run of the jaw crusher reaches the factory standard, the problems of difficulty in balancing weight adjustment and time and labor waste at present are solved, and the service life of the jaw crusher is prolonged. And