Device for testing dynamic balance of fan rotor for horizontal type balancing machine

The invention relates to a device of a horizontal equilibrator for testing the dynamic balance of a fan rotor. The device comprises an integrated framework which is a box-shaped body formed by four wall plates; the left side of the inner part of the integrated framework is provided with a rib plate; the rib plate is connected with the front and the back wall plates; a transmission belt accommodation space is formed between the rib plate and the front wall plate; a rotor accommodation space is formed between the rib plate and the back wall plate; a left bracket is fixed in the middle part of the upper end of the left wall plate; the left bracket is provided with a back bearing pedestal; a right bracket is fixed in the middle part of the upper end of the right wall plate; a positioning pedestal is fixed in the middle part of the upper end of the rib plate; a front bearing pedestal is connected with the positioning pedestal; the left bracket is fixed at a left cradle of the horizontal dynamic equilibrator, and a