Top cover locking device of open carriage

Abstract

The invention relates to a top cover locking device of an open carriage. The top cover locking device comprises a seat body, a lifting hook seat, a lifting hook, a latch hook seat, a latch hook and a connecting rod, wherein the hook end of the lifting hook is connected upwards to the lifting hook seat; the lifting hook seat is arranged in the seat body in a sliding way; the latch hook seat is hinged on the lower part of the seat body; the hook end of the latch hook is connected downwards to the latch hook seat; and the lifting hook seat is connected with the latch hook seat through the connecting rod. The top cover locking device is distributed at the edge of a top cover of the open carriage, the lifting hook slides downwards under the action of dead weight when the top cover is positioned on the top of a vehicle, the connecting rod drives the latch hook seat to turn downwards and the latch hook is hooked on a side beam of a vehicle body; and when the top cover is opened, the lifting hook slides upwards under the upward traction action of lifting equipment, the connecting rod drives the latch hook seat to turn upwards and the hook-shaped latch hook is separated from the side beam on the vehicle body, so that automatic unlocking is realized. The top cover locking device has a simple structure, locks reliably, is flexibly opened, effectively prevents rain water from entering anddamaging goods and prevents goods dust from polluting the environment simultaneously.

Description

technical field [0001] The invention relates to the field of railway and road freight transport, and is especially suitable for an open carriage with a top cover. Background technique [0002] Open carriages refer to truck carriages that have end walls, side walls, floors and no roofs, and are open upwards. They are mainly used to transport bulk goods such as coal, ore, mining construction materials, wood, and steel, and can also be used to transport light weight. mechanical equipment. If the goods being shipped are covered with tarpaulins or other canopies, they can replace boxcars to carry goods that are afraid of rain. Therefore open carriages have great versatility, and are the largest in number in the composition of freight cars. At present, there are about 300,000 open carriages on the railway, accounting for more than 50% of the total number of freight cars. If the transported goods are exposed to rain, it will cause rust, deterioration, etc., and the bulk goods wil...

AI Technical Summary

Problems solved by technology

However, when the existing top cover is installed on the open compartment, the fixing method of the top cover is cumbersome, the reliability is poor, and it is inconvenient to open, which limits the use of the top cover for the open compartment and restricts the benefit of the open compartment.

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