Zhan yi carriage

The utility model discloses a zhan yi carriage, including the open carriage in the left and right sides, hydraulic stem, one end and the first rotatory pin hinge of fixing at carriage front and back end off -plate connect, and preceding carriage after or has two hydraulic stems of control to open the two -way hydraulic stem that closes with the side overhead, go up the railway carriage or compartment door, have a protruding draw runner gliding for the slide rail at the lateral wall overhead with the stand junction, the rotatory round pin of second of going up the protruding draw runner coaxial line top of railway carriage or compartment door is articulated with the free end of hydraulic stem piston rod, lower railway carriage or compartment door passes through locking mechanism for the base through the articulated just topside in pivot and carriage and can dismantle with the stand and be connected. The beneficial effects are that: resolve into rotary motion's lower railway carriage or compartment door and ver