Switch device for bottom door of railway hopper wagon

Abstract

The invention discloses a bottom door open and close device of a railway hopper car. The device can discharge goods on a receiving facility between the railways; the bottom door does not exceed the clearance of rolling stock under the opening state and can realize simultaneous travelling and discharging. The structure thereof is as follows: the device comprises a left bottom door, a right bottom door, a transmission shaft, a left locking body, a right locking body, a long ejector rod, a short ejector rod and a double lever; wherein, the left bottom door and the right bottom door are distributed at the bottom of the car body along the longitudinal center of the car in a symmetrical mode; simultaneously the left bottom door and the left locking body are fixedly connected on the car body and the right bottom door and the right locking body are fixedly connected on the car body; the transmission shaft is fixedly connected with the car body by a bearing seat and is then connected with a power device; the tail end of the long ejector rod is connected with one end of the double lever, the other end of the double lever is connected with the short ejector rod; the other end of the long ejector rod is connected with the left bottom door; and the other end of the short ejector rod is connected with the right bottom door.

Description

technical field [0001] The invention relates to a bottom door opening and closing device of a railway hopper car. Background technique [0002] At present, the railway hopper car used to transport bulk goods such as coal, ore and sulfur has a bottom door opening and closing device installed at the bottom of the car body, and the bottom door opening and closing mechanism is driven by an air transmission device or a hand transmission device to realize the opening of the bottom door. and off. The opening and closing mechanism of the bottom door of the existing hopper car can only open and close the bottom doors on both sides of the car body, and unload the goods on both sides of the rails. When the bottom door is opened, it generally exceeds the limit of the locomotive and needs to be parked to unload. It is only applicable to the ground It is used in places with a receiving ditch or a high platform for simultaneous unloading on both sides, and a receiving facility that cannot...

AI Technical Summary

Problems solved by technology

The opening and closing mechanism of the bottom door of the existing hopper car can only open and close the bottom doors on both sides of the car body, and unload the goods on both sides of the rails. When the bottom door is opened, it generally exceeds the limit of the locomotive and needs to be parked to unload. It is only applicable to the ground It is used in places with a receiving ditch or a high platform that can be unloaded on both sides at the same time, and the receiving facility that cannot unload the goods in the middle of the rails

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