Sorter

A sorter, comprising:

• a rack (11);
• a track assembly (12) comprising two ring-shaped tracks (121) both installed on the rack (11), the two ring-shaped tracks (121) being respectively arranged in two mutually parallel vertical planes and being aligned with each other;
• a drive assembly (13), comprising:
• at least one sprocket set (149) comprising a driving sprocket (133) and a plurality of driven sprockets (132) installed on the rack (11);
• at least one chain (131) hooping on the driving sprocket (133) and the plurality of the driven sprockets (132) and consistent with a shape of the ring-shaped tracks (121);
• an electric machine (134) configured to drive the driving sprocket (133) to rotate;
• a sorting cart (15), comprising:
• a carriage (152) arranged between the two ring-shaped tracks (121) and slidably connected to the two ring-shaped tracks (121), and being further hinged with the at least one chain (131);
• a conveying assembly (151) disposed above the carriage (152) and configured to carry and convey packages;
• wherein a conveying direction of the conveying assembly (151) is different from a moving direction of the sorting cart (15);
• wherein the carriage (152) comprises a carriage body (156) that carries the conveying assembly (151) and at least two support arms (157) that respectively arranged on both sides of the carriage body (156),
• wherein each of the support arms (157) comprises:
• a guide-wheel group (160);
• a hinge rod (159) extends from a side of the carriage body (156) in a direction away from the carriage body (156);
• and
• a connecting rod (158) having one end connected to the hinge rod (159) and other end connected to the guide-wheel group (160), and being perpendicular to the hinge rod (159);
• wherein said two guide-wheel groups (160) respectively travel along the two ring-shaped tracks (121), the hinge rod (159) passes through the at least one chain (131) and rotates relative to the at least one chain (131), and the at least one chain (131) drives the carriage (152) to slide along the ring-shaped tracks (121) by pulling the hinge rod (159).