Excavator seat base

The utility model relates to the technical field of excavator accessories, in particular to an excavator seat base which comprises a height adjusting mechanism, a dynamic balance mechanism and a damping mechanism, the dynamic balance mechanism is located above the height adjusting mechanism, the damping mechanism is located above the dynamic balance mechanism, and the dynamic balance mechanism comprises a bottom platform. A supporting rod is arranged upwards in the center of the dynamic balance mechanism, a universal ball bearing is arranged at the top of the supporting rod and connected with a top platform, a plurality of telescopic rods are arranged below the top platform and extend to a bottom platform, the dynamic balance mechanism further comprises a gravity sensor and a control system, and the gravity sensor is electrically connected with the control system. The control system is electrically connected with the telescopic rod; according to the device, the height of the excavator seat can be adjusted; th