What are the structures of hedge trimmer

Hedge trimmer, which is characterized in that the trimmer is arranged at the tail of the vehicle, including the combination of chassis, vertical arm, counterweight, cross arm, motor and shear tool holder; The chassis is provided with a hydraulic pump station and a hydraulic control component, the vertical arm can rotate within a specified range on the chassis, the vertical arm is divided into an inner arm and an outer arm, and the outer arm moves up and down along the outer arm of the lifting cylinder; And the outer arm is vertically connected to the arm, and the other side is relative to the arm with the counterweight; An external connecting member is arranged at the end of the arm, and the connecting member is hinged in the middle of the combined shearing tool holder; One end of the outer barrel is hinged at the end of the arm, and the other end is hinged to the outer end of the combined cutting tool holder;