Vehicle head opening and closing mechanism

Abstract

The invention provides a vehicle head opening and closing mechanism. The vehicle head opening and closing mechanism comprises a rocker arm, a locking rod and a resistance wheel, wherein the rocker armis connected with a movable cabin door; one end, far away from the movable cabin door, of the rocker arm is hinged with a cabin body framework; the locking rod comprises a first rod body, a second rod body and a third rod body; the first end of the second rod body is vertically connected with the first rod body, and the second end of the second rod body is vertically connected with the third rodbody to form a Z-shaped structure; a rotatable sliding piece is arranged at the end, away from the second rod body, of the first rod body; a sliding rail matched with the sliding piece is arranged onthe rocker arm; the third rod body is hinged with the cabin body framework, and is rotated to drive the rocker arm to rotate; and the resistance wheel is arranged on the cabin body framework and located on the rotating track of the first end of the second rod body. According to the vehicle head opening and closing mechanism provided by the invention, the resistance wheel is arranged on the rotating track of the first end of the second rod body, resistance is formed for the first end of the second rod body when the locking rod and the rocker arm are about to form a dead point locking position,and a hand feeling signal that the movable cabin door is about to be locked in place is provided.

Description

technical field [0001] The invention relates to the technical field of rail vehicles, in particular to a front opening and closing mechanism. Background technique [0002] Generally, in order to effectively reduce air resistance and beautify the appearance of locomotives such as urban rail, bullet trains or high-speed rail locomotives, the front end of the locomotive adopts a streamlined shroud. door), and the front opening and closing mechanism is specially designed to realize the opening and closing of the hatch. When the locomotive needs to be connected, the left and right cabin doors of the opening and closing mechanism are opened to expose the coupler for connection. At present, the manual opening and closing methods of opening and closing mechanisms at home and abroad mainly include two types: roller plus guide groove dead point locking and slider plus guide rail dead point locking, and the opening and closing mechanism of slider plus guide rail dead point locking has...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a front opening and closing mechanism to solve the problem that the front opening and closing mechanism cannot provide a locked in place signal

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