Two-channel manual emergency cabin opening mechanism

The invention provides a two-channel manual emergency cabin opening mechanism which comprises an electric tool shaft assembly (1), a shell (7), a planetary gear reducer (9), a bevel gear shaft (11), a second backstop (14), a volute spring (17), a shaft (20), a one-way bearing (21), a winding drum (22), a steel wire rope (26) and a pull ring (31). The electric tool shaft (1a) is connected with the output external gear (1g) through a first backstop, and the output external gear (1g) is driven to rotate when the electric tool shaft (1a) rotates; an output external gear (1g) serves as a sun gear of the planetary gear reducer (9) and is meshed with a planetary gear; the planet gear is further meshed with the inner gear; a bevel gear on the outer ring of the inner gear is meshed with a bevel gear shaft (11); and the bevel gear shaft (11) is connected with a hatch cover lifting power device through a flexible shaft. And the operation is convenient, reliable and fast. 本发明提供一种双通道手动式应急开舱机构，包括：电动工具轴组件(1)、壳体(7)、行星齿轮减速器(9