Drum brake guide mechanism capable of realizing quick installation of stay wire

• Main Authors: LING LIFENG, BAO WEI, HE DONG, WU HUOJUAN, WANG YONGSHENG, SHI YINGJIE, FENG XIAOHONG, WANG BIANBIAN, HUANG WEIPING, HUANG DONGFANG
• Format: Patent
• Language: Chinese; English
• Published: 18.01.2022
• Subjects: BLASTING; BRAKES; CLUTCHES; COUPLINGS FOR TRANSMITTING ROTATION; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a drum brake guide mechanism capable of realizing quick installation of a stay wire. A stay wire hole is formed in the brake bottom plate, a spring fixing seat is fixed in the stay wire hole, a stay wire guide pipe is fixed on the brake bottom plate between the lower parts of leading and trailing shoes, and the stay wire guide pipe is mainly formed by splicing two semicircular stay wire guide pipes; the elastic sheet and the spring fixing buckle are fixed at the bottom of the pull arm; the stay wire firstly penetrates through a spring fixing seat on the brake bottom plate, then penetrates through a stay wire guide pipe on the brake bottom plate along a guide spring and then extends into and penetrates through a spring fixing buckle; the elastic piece is located over the barb at the bottom end of the pull arm, the lower surface of the elastic piece inclines downwards in the extending direction of the pull line, and the head of the pull line is a cylinder larger than the diameter of