Mobile crusher for building waste

The invention discloses a mobile crusher for building waste. The crusher comprises a crusher body, a feeding system, a pre-screening soil removal system, an impact crusher, a material primary screening machine, a track walking system, a power system, a hydraulic system and a control system; the track waling system is arranged at the bottom end of the crusher body, the power system and the hydraulic system are connected with the control system, the head end of the pre-screening soil removal system is connected with the feeding system, the tail end of the pre-screening soil removal system is connected with the impact crusher, the bottom end of the impact crusher is provided with a first feeding machine, the tail end of the first feeding machine is provided with a first conveying belt, the material primary screening machine is arranged below the first conveying belt, a second conveying belt is arranged below the material primary screening machine, a fourth conveying belt is arranged at the head end of the materi