Double-cylinder two-way double-leading-shoe drum type self-adjusting brake with parking function

• Main Authors: LING LIFENG, WANG YONGSHENG, HUANG WEIJIE, ZHU ZIHENG, HU KAI, HUANG GUOXING, HUANG DONGFANG
• Format: Patent
• Language: Chinese; English
• Published: 30.11.2021
• Subjects: ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; BLASTING; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; 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; PERFORMING OPERATIONS; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES; THERMAL INSULATION IN GENERAL; TRANSPORTING; VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES; VEHICLES IN GENERAL; WEAPONS

The invention discloses a double-cylinder two-way double-leading-shoe drum type self-adjusting brake with a parking function. Front and rear shoe assemblies are installed on the two sides of a brake bottom plate assembly, a wheel cylinder assembly and a brake shoe return spring are installed and connected between the front and rear shoe assemblies, a parking self-adjusting mechanism is installed between the upper parts of the front and rear shoe assemblies below the wheel cylinder assembly and the brake shoe return spring, and a self-adjusting wheel cylinder assembly and a parking inhaul cable are installed and connected between the lower parts of the front and rear shoe assemblies. In the parking self-adjusting mechanism, a gap adjusting plate is installed at one end of a push plate in a hinged mode, a plate pin penetrates through pin holes in the push plate and the gap adjusting plate to enable the push plate and the gap adjusting plate to be hinged, and the push plate and the gap adjusting plate are meshed