Eccentric case roof beam balancing unit

The utility model discloses an eccentric case roof beam balancing unit, eccentric case roof beam include case roof beam, nowel roof beam and the eccentric settings hydro -cylinder between last case roof beam and nowel roof beam, and balancing unit includes: lift system sets up on last case roof beam the opposite side for the eccentric position of hydro -cylinder for promote the nowel roof beam, two stroke sensors are used for measuring the stroke information at nowel roof beam both ends respectively, the signal collection case that links to each other with two stroke sensors for collect the stroke information that two stroke sensor measurements arrived, the control system who links to each other with signal collection case and lift system for the stroke information at the nowel roof beam both ends that the analysis and comparison signal collection case was collected is in order to send corresponding promotion instruction to lift system. Measure the stroke information at nowel roof beam both ends through the s