Suspension grinding device for valve clack of gate valve

A gate valve clack hanging and grinding device comprises a rack (10), a variable frequency motor (11), a rotating disc (13), grinding abrasive paper (14) and a pair of scrap protection plates (15), the variable frequency motor (11) is installed in the rack (10), a power output shaft of the variable frequency motor (11) is movably installed on the side wall of the rack (10) through a shaft and a bearing, an abrasive paper installation ring is arranged on the outer edge of the rotating disc (13), and the abrasive paper installation ring is connected with the rotating disc (13). A set of threaded holes are annularly and evenly formed in the abrasive paper mounting ring, a set of bolt penetrating holes are annularly and evenly formed in grinding abrasive paper (14), and the grinding abrasive paper (14) is laid on the top of the rotary disc (13). The grinding machine has the advantages of high grinding speed and capability of reducing the labor intensity of workers. 一种闸阀阀瓣悬挂研磨装置，它包括机架(10)、变频电机(11)、转盘(13)、研磨砂纸(14)和