Front opening and closing mechanism for rail vehicle and rail vehicle having the same

Abstract

The invention discloses a front end opening and closing mechanism for a rail vehicle, and the rail vehicle with the front end opening and closing mechanism. The front end opening and closing mechanismcomprises a first head shield, a second head shield, a support, a first swing arm set, a transmission piece and a driving assembly; the first head shield and the second head shield can be switched tobe in a closed state or an opened state; the support comprises a supporting plate; the first swing arm set comprises a first swing arm and a second swing arm, the first swing arm is connected with the first head shield and rotatably connected with the supporting plate, and the second swing arm is connected with the second head shield and rotatably connected with the supporting plate; the transmission piece is connected with the first swing arm and the second swing arm to enable the first swing arm and the second swing arm to rotate synchronously and reversely; and the driving assembly comprises a first part and a second part which can mutually stretch out and draw back, the first part is connected with the support, and the second part is connected with one of the first swing arm and the second swing arm to drive one of the first swing arm and the second swing arm to rotate. According to the front end opening and closing mechanism, the first head shield and the second head shield can be opened and closed, the structure is simple, the driving force moment is large, and the weight is low.

Description

technical field [0001] The invention relates to the field of rail vehicles, in particular to a front end opening and closing mechanism for a rail vehicle and a rail vehicle having the same. Background technique [0002] The front end of the rail vehicle is generally provided with an opening and closing mechanism, and the opening and closing mechanism has two hoods that can be opened and closed. The opening and closing mechanism in the related art is provided with racks and space four-linkages, driven by a cylinder, and driven by the space four-linkages to realize the opening and closing action of the hood. [0003] However, the power source of the above-mentioned opening and closing mechanism is fixed on the support frame on the track, and the moment that the connecting rod acts on the swing arm is relatively small. Moreover, in order to prevent the parts from moving down due to their own weight, two supporting mechanisms are provided. In order to avoid interference, it is ...

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Problems solved by technology

[0003] However, the power source of the above-mentioned opening and closing mechanism is fixed on the support frame on the track, and the moment that the connecting rod acts on the swing arm is relatively small. Moreover, in order to prevent the parts from moving down due to their own weight, two supporting mechanisms are provided. In order to avoid interference, it is necessary to design the avoidance of the fulcrum of the opposite swing arm. The structure is complex, the installation and adjustment requirements are high, the weight is heavy, and the space layout is poor, the stability is poor, and the operation is very inconvenient.

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