Drum type parking brake

The invention discloses a drum type parking brake. The drum type parking brake comprises a brake base, a brake shoe set, a brake driving assembly and an adjusting assembly. The brake shoe set comprises a first brake shoe and a second brake shoe which are arranged at intervals in the first direction,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SUN HAIYAN, HE JINGMEI, LIU TIANWU, SUN GUANGXIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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
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Beschreibung
Zusammenfassung:	The invention discloses a drum type parking brake. The drum type parking brake comprises a brake base, a brake shoe set, a brake driving assembly and an adjusting assembly. The brake shoe set comprises a first brake shoe and a second brake shoe which are arranged at intervals in the first direction, and the brake driving assembly is arranged between the first brake shoe and the second brake shoe and comprises a brake cam. The brake cam is rotationally installed on the brake base along the axis arranged in the second direction, when braking is conducted, the brake cam is driven to rotate, as the peripheral side of the brake cam abuts against the first brake shoe and the second brake shoe, the first brake shoe and the second brake shoe are away from each other to move to abut against correspondingly-arranged brake drums in a friction manner to achieve parking brake, when friction pieces and/or a friction piece on the first brake shoe and/or the second brake shoe are/is abraded, the brakestroke is increased, the