Qiqihar Railway Rolling Stock Co., Ltd.

Crrc Qiqihar Rolling Stock Co., Ltd.

Yong Fu

Shengkun Wang

Xiaodong Yang

Lei Yu

Tianjun Zhao

Linghan Yue

Shuang Yang

Xiaobao Yin

Enjie Ma

Dongfang Zhou

Qinsong Zhang

Baichuan He

Xin Zhao

Zhigang Li

Yongfeng Yi

Junlin Zhang

Hongqi Zhou

Guozheng Li

Wangdong Ni

Xingchen Guo

Ming Liu

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.

Compartment and bottom door thereof

The present application provides a bottom door device and a hopper car, the bottom door device includes a first bottom door and a second bottom door, the first bottom door includes a first door end plate and a first bottom door plate which are fixedly connected, the second bottom door includes a second door end plate and a second bottom door plate which are fixedly connected, and a labyrinth seal is formed between the first bottom door plate and the second bottom door plate. By using a labyrinth seal to replace the overlapping sealing in the prior art, the bottom door device and the hopper car provided by the present application can still meet the sealing requirement on the premise that the two bottom door plates can be closed without complying with any specific order, thereby optimizing the structure of the bottom door device in the prior art.

Bottom door device and hopper car having the same

The present invention discloses a ballast hopper car discharge door control system, comprising a control box, said control box comprises electrical pneumatic control system and receiving device; hydraulic system, connected to electrical pneumatic control system; manual control device and remote control device are operated to control opening or closing of ballast hopper car discharge doors; storage battery, configured to provide electrical pneumatic control system in said control box with continuous power supply and remote control device with charging power supply; pressure switch, arranged between control box and storage battery, said pressure switch is operated by pressure of air source to control connecting and disconnecting between storage battery and control box. The ballast hopper car discharge door control system provided by the present invention prevents false on-site operation of discharge door, thus prevents unexpected operation, improves discharging efficiency of ballast hopper car and reduces workload of operator.

Ballast hopper car discharge door control system

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Qiqihar, China

Yong Fu