The invention relates to a winch parking brake valve set. The winch parking brake valve set comprises a brake releasing assembly, a brake parking assembly and a safety protection assembly, wherein thebrake releasing assembly comprises a forward rotation control unit, a reverse rotation control unit and a shuttle valve (3) connected with the forward rotation control unit and the reverse rotation control unit; the brake parking assembly comprises a first one-way valve (4) connected with and the forward rotation control unit and a second one-way valve (5) connected with and the reverse rotationcontrol unit; and the safety protection assembly comprises a first overflow valve (6) connected with the forward rotation control unit and a second overflow valve (7) connected with the reverse rotation control unit. Compared with the prior art, the low energy consumption is guaranteed, and meanwhile the stability of the valve set is improved.
本发明涉及一种绞车驻车制动阀组,包括:松开刹车组件:包括控制正转单元、控制反转单元,以及分别连接控制正转单元和控制反转单元的梭阀(3);刹车停车组件:包括连接控制正转单元的第一单向阀(4)和连接控制反转单元的第二单向阀(5);安全保护组件:包括连接控制正转单元的第一溢流阀(6)和连接控制反转单元的第二溢流阀(7)。与现有技术相比,本发明在保证较低能耗的同时,提高了阀组的稳定性。
Winch parking brake valve set
一种绞车驻车制动阀组
2020-12-22
Patent
Electronic Resource
Chinese