公开(公告)号：US20170107751A1

公开(公告)日：2017-04-20

申请号：US15317670

申请日：2015-05-08

Applicant: CRRC QIQIHAR Rolling Stock CO., LTD.

Inventor： Lei Yu ,  Shengkun Wang ,  Yong Fu ,  Tianjun Zhao ,  Shuang Yang

IPC: E05F15/53 ,  B61D7/02

CPC classification number: E05F15/53 ,  B61D7/02 ,  B61D7/18 ,  B61D7/28 ,  E05Y2201/422 ,  E05Y2201/454 ,  E05Y2201/686 ,  E05Y2201/706 ,  E05Y2900/51 ,  E05Y2900/53

Abstract: A bottom door of a carriage includes a telescoping cylinder and at least two sets of door bodies, each set of the door body is provided with one set of driving mechanisms, each of the driving mechanisms includes a rotating shaft and a driving rod, and the rotating shaft is connected with the respective door body by the driving rod, to allow the door body to be driven to rotate when the rotating shaft rotates; each of the rotating shaft is driven to rotate by the telescoping cylinder, and at least two of the rotating shafts are configured to be driven to rotate successively by the telescoping cylinder.

公开(公告)号：US10352083B2

公开(公告)日：2019-07-16

申请号：US15317670

申请日：2015-05-08

Applicant: CRRC QIQIHAR Rolling Stock CO., LTD.

Inventor： Lei Yu ,  Shengkun Wang ,  Yong Fu ,  Tianjun Zhao ,  Shuang Yang

IPC: E06B7/08 ,  E05F15/53 ,  B61D7/02 ,  B61D7/18 ,  B61D7/28

Abstract: A bottom door of a carriage includes a telescoping cylinder and at least two sets of door bodies, each set of the door body is provided with one set of driving mechanisms, each of the driving mechanisms includes a rotating shaft and a driving rod, and the rotating shaft is connected with the respective door body by the driving rod, to allow the door body to be driven to rotate when the rotating shaft rotates; each of the rotating shaft is driven to rotate by the telescoping cylinder, and at least two of the rotating shafts are configured to be driven to rotate successively by the telescoping cylinder.