Coal mine screening device

• Main Authors: ZHU GUOQING, DONG SHUAI, ZHANG JUZHONG, ZHU YONGJIA, KIM TAEK-WON, ZHANG XUEJUN, WANG CHEN
• Format: Patent
• Language: Chinese; English
• Published: 02.12.2022
• 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 coal mine screening device which comprises a supporting unit and a screening unit, the supporting unit is used for supporting the screening unit, and the screening unit is used for screening a coal mine. The supporting unit comprises a supporting frame, a main shaft arranged on the supporting frame and a cross-shaped fixing frame fixedly arranged on the main shaft, the cross-shaped fixing frame comprises a bottom frame and an end cover, and the bottom frame and the end cover are connected through screws. The screening unit comprises rollers connected with the cross-shaped fixing frame, a plurality of screening ring plates arranged between the two rollers at equal intervals, a shielding plate matched with the rollers, an adjusting piece driving the screening ring plates to move and auxiliary fixing pieces fixed to the rollers and matched with the screening ring plates. According to the device, the distance between the screening ring plates can be adjusted through the adjusting pieces,