The invention discloses a hopper car and an end bottom door opening/closing mechanism thereof. The end bottom door opening/closing mechanism comprises a door opening arm, a door closing arm, a connection shaft and two connection rods, wherein the door opening arm is used for opening an end bottom door, the door closing arm is used for closing the end bottom door, the two ends of the connection shaft are fixedly connected with the door opening arm and the door closing arm respectively, and the door opening arm and the door closing arm drive the connection shaft to rotate; the two connection rods are connected to the side of the door opening arm and the side of the door closing arm, each connection rod comprises a first folding rod and a second folding rod which are fixedly connected at a certain angle, one of the first folding rod and the second folding rod is hinged to the end bottom door, the other of the first folding rod and the second folding rod is hinged to the door opening arm on the corresponding side or the door closing arm, and the hinge rotation axes are parallel to the connection shaft. Through optimal design of the connection rod structure, self-locking is conducted effectively, stability of the opening state and closing state of the end bottom door is guaranteed, and the unloading efficiency of the hopper car is improved.
Hopper car and end bottom door opening/closing mechanism thereof
2015-12-30
Patent
Elektronische Ressource
Englisch
IPC: | B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES |
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