Variable gap grader based on wing-shaped structure

• Main Authors: SONG ZHIYU, ZHOU RAN, JIANG QINGHAI, CHEN JIA, REN CAIHONG
• Format: Patent
• Language: Chinese; English
• Published: 24.11.2023
• Subjects: OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL; PERFORMING OPERATIONS; SEPARATING SOLIDS FROM SOLIDS; SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS; SORTING; TRANSPORTING

The invention discloses a variable-gap grader based on a wing-shaped structure. The variable-gap grader comprises a rack, a power assembly, a grading unit and a supporting plate assembly. The power assembly comprises a driving wheel, a driven wheel and a traction rope, the driving wheel and the driven wheel are both installed on the rack, and the traction rope is connected end to end and wound on the driving wheel and the driven wheel; the grading unit comprises a grading support, a center shaft, wing plates and a wing driving assembly, the grading support is fixed to the traction rope, the center shaft is installed on the grading support, the two wing plates are hinged to the center shaft in a herringbone shape, and the wing driving assembly drives the two wing plates to be opened and closed; the grading units are distributed along the traction rope, and the wing plates of the adjacent grading units make contact with each other. The supporting plate assemblies are matched with the wing driving assemblies to