Portable mobile device and connection method

The invention discloses a portable moving device, and belongs to the technical field of rail transit vehicle production and manufacturing auxiliary tools, the portable moving device is provided with a lower working unit and an upper working unit capable of being placed above the lower working unit, and the upper surface of the lower working unit is fixedly connected with a coupling part; the lower surface of the upper working unit is fixedly connected with a shaft rod assembly, and the shaft rod assembly and the coupling part can be rotationally coupled and fixedly connected so that the upper working unit and the lower working unit can be integrally moved. The device has the advantages of being easy to manufacture, small in installation limitation, portable and good in convenience. 本发明公开了一种便携移动装置，属于轨道交通车辆生产制造辅助工具技术领域，本发明设置有下部工作单元和能够放置在所述下部工作单元上方的上部工作单元，其中，所述下部工作单元上表面固连有耦合部件；所述上部工作单元下表面固连有轴杆组件，所述轴杆组件与所述耦合部件能够旋转地耦合、并固定连接，以便所述上部工作单元与所述下部工作单元形成整体地被移动，本发明实现了防止叠放的工作包掉落损伤或者造成人身安全问题，具有制造简单，安装限制小，便携、便捷性好的有益效果。