The invention provides an electromechanical parking brake cylinder and a brake system. The electromechanical parking brake cylinder comprises a cylinder body assembly which is provided with a channel;a transmission assembly is located in the cylinder body assembly and comprises a transmission lead screw, and the transmission lead screw is connected with the cylinder body assembly in a relative movement mode; the transmission nut is in transmission connection with the transmission lead screw, the transmission nut penetrates through the channel, and the transmission nut is in relative movementconnection with the channel; the elastic assembly is located in the cylinder body assembly, the outer side of the transmission lead screw is sleeved with the elastic assembly, the elastic assembly acts on the transmission lead screw, and the elastic assembly is connected with the transmission nut in a relatively rotating mode; the electromagnetic clutch is connected with the transmission nut and the cylinder body assembly; and the transmission shaft is connected with the transmission nut through the overrunning clutch. According to the electromechanical parking brake cylinder provided by the invention, energy can be automatically output for parking brake when power is lost; the parking brake cylinder is compact in structure and small in occupied vehicle bottom space.
本发明提供一种电机械停放制动缸及制动系统,包括:缸体组件,缸体组件设置有通道;传动组件,传动组件位于缸体组件内,传动组件包括:传动丝杠,传动丝杠与缸体组件相对移动连接;传动螺母,传动螺母与传动丝杠相互传动连接,传动螺母穿过通道,传动螺母与通道相对移动连接;弹性组件,弹性组件位于缸体组件内,弹性组件套于传动丝杠外侧,弹性组件作用于传动丝杠上,弹性组件与传动螺母相对转动连接;电磁离合器,电磁离合器连接传动螺母与缸体组件;传动轴,传动轴通过超越离合器与传动螺母相连接。本发明提供的电机械停放制动缸,失电时能够自动输出能量进行停放制动;且本发明所提供的停放制动缸结构紧凑,占用车底空间小。
Electromechanical parking brake cylinder and brake system
电机械停放制动缸及制动系统
2020-06-26
Patent
Elektronische Ressource
Chinesisch
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