Crucible lifting and rotating serial weighing device for Eschka sulfur detector

The invention discloses a crucible lifting and rotating serial weighing device for an Eschka sulfur detector and belongs to the field of equipment for analyzing the sulphur content in bituminous coal combustible materials. The device comprises an L-shaped frame, a crucible lifting module and a crucible rotating module which are arranged on the L-shaped frame, and a balance, a weighing rod and a weighing disc which are arranged on a balance frame, wherein the crucible lifting module comprises a first motor frame, an upper support, a guide rail and a lower support which are arranged on the L-shaped frame from top to bottom, a nut arranged on a lead screw, and a sliding block arranged on the guide rail; a first motor is arranged on the first motor frame, and the output end of the first motor is connected with the upper end of the lead screw through a coupler; the two ends of the lead screw are arranged on the upper support and the lower support through two bearings respectively, and a lifting board is arranged on the nut and connected with the sliding block. The serial weighing device is compact in structure, high in movement stability, free of manual interference, and capable of weighing multiple crucibles in a streamline mode.