Multi-shift stretcher for interiors of ships

The invention relates to a multi-shift stretcher for interiors of ships. The multi-shift stretcher comprises a tray, a framework housing, triangular wheel devices, hinge folding structures, guide wheel devices and connecting rod folding structures, wherein each triangular wheel device is connected with the corresponding hinge folding structure; one side of each hinge folding structure is fixed on a bulge; each guide wheel device is connected with the corresponding connecting rod folding structure. The multi-shift stretcher has the following advantages: the wounded are prevented from secondary injuries, flexible turning and transporting of the multi-shift stretcher in narrow channels are facilitated, and the multi-shift stretcher can be conveniently taken upstairs and downstairs, is convenient to operate, and low in time consumption, labor consumption and maintenance cost, can be flexibly transported in narrow ship channels, realizes body positioning when being used for carrying the wounded, effectively reduces secondary injuries and only requires one person to finish carrying and rescuing of the wounded in the internal channels of the ships during practical operation.