A locking device and a front opening and closing mechanism

Abstract

The invention discloses a locking device and a front end opening and closing mechanism. The locking device includes a driving part, a connecting part and a rotating part. One end of the connecting part is in rotation with the driving part; The connecting end and the third connecting end; the first connecting end is connected to the other end of the connector by rotation; the second connecting end is connected to the first rotating arm on the front opening and closing mechanism by rotating; when the second rotating arm moves to close to locking position, the third connecting end is movably connected with the second rotating arm; wherein, under the action of the driving part, the connecting part drives the rotating part to move, so that the rotating part is connected to the second rotating arm, and the rotating part is in the second The rotating arm slides up to the locking position, so that a mechanical self-locking angle is formed between the rotating member and the second rotating arm, so that the opening and closing mechanism at the front end is locked. It solves the technical problems in the prior art that the left and right shrouds of the front-end opening and closing mechanism need to adopt a set of locking devices respectively, which takes up a lot of space, the weight of the product is heavy, and the manufacturing cost is high.

Description

technical field [0001] The invention belongs to the technical field of rail vehicles, and in particular relates to a locking device and a front-end opening and closing mechanism. Background technique [0002] The front-end opening and closing mechanism of high-speed trains is an integral part of the dynamic head shape of the EMU, and usually includes a first shroud, a second shroud, a fixed shroud, and a motion mechanism. When the train is running in a single train, the shroud is closed, so that the high-speed train forms a complete aerodynamic shape, reduces the wind resistance and wind noise during operation, and keeps the train in a high-speed and stable state; , the shroud needs to be in the open position, so that the coupler can achieve barrier-free connection, and can adapt to the influence of the coupler swing angle when running on different curve radii. [0003] No matter when the first air shroud and the second air shroud are in the open or closed state, reliable l...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a locking device to solve the problem that the first wind deflector and the second wind deflector of the front-end opening and closing mechanism in the above-mentioned prior art need to use a set of locking devices respectively, resulting in large space occupation and heavy product weight. Technical issues with high manufacturing costs

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