Brake device and winch with same

The brake device comprises a brake sleeve, a torsion spring, a sealing piece and a brake assembly, the brake assembly is sleeved with the torsion spring, the brake sleeve is arranged on the torsion spring in a sleeving mode, the brake assembly is used for driving the torsion spring to move between a tensioning position and a contracting position, and the sealing piece is arranged on the sealing piece. The brake sleeve is arranged on the brake assembly so as to lock and release the brake sleeve, and the sealing piece is arranged between the brake sleeve and the brake assembly so that a sealing cavity can be defined between the brake sleeve and the brake assembly. The brake device can prevent lubricating grease from being thrown out, reduces noise and is good in sealing effect. 本实用新型涉及一种刹车装置和具有其的绞盘，包括：刹车套、扭簧、密封件和制动组件，所述扭簧套设在所述制动组件上，所述刹车套套设在所述扭簧上，所述制动组件用于驱动所述扭簧在涨紧位置和收缩位置之间移动，以锁紧和释放所述刹车套，所述密封件设于所述刹车套和制动组件之间，以使所述刹车套与所述制动组件之间限定出密封腔。本实用新型的刹车装置可以避免润滑脂甩出，减少噪音，密封效果较好。