Hinging mechanism for multi-section connection of urban low-floor rail vehicle

Abstract

The invention relates to a hinging mechanism for multi-section connection of an urban low-floor rail vehicle. A multi-section low-floor vehicle is connected by the hinging mechanism formed by a fixing hinge, an elastic hinge, a free hinge and oil pressure dampers, and requirements of a vehicle passing through a small-radius horizontal curve and a vertical curve are met when the transmission requirement of a traction force and braking force of the vehicle is met. The hinging mechanism has the advantages that the fixing hinge is matched with the elastic hinge and the free hinge up and down, so that the vehicle can pass through the small-radius horizontal curve and the vertical curve when transmitting the traction force and the braking force; and the elastic hinge and the free hinge can guarantee the stability of the vehicle in a straight line because the elastic hinge and the free hinge are assisted by the oil pressure damper at the two sides. The hinging mechanism has simple structure, reliable operation and convenient disassembly, replacement and maintenance and can effectively solve the problem in connecting and marshalling the multi-section urban low-floor rail vehicle.

Description

technical field [0001] The invention relates to a multi-section connecting hinge mechanism for urban low-floor rail vehicles. The utility model belongs to the technical field of rail transit vehicles. Background technique [0002] At present, with the increase of urban passenger flow, it is inevitable for vehicles to be connected by multiple joints, and urban rail transit vehicles are developing towards low floors, and there is no traditional coupler space. In addition, the radius of the urban rail line curve is small, and the ramps are steep and many. , there is an urgent need for a low-floor rail vehicle multi-section hinged mechanism, and the hinged mechanism can fully meet the above requirements. Traditional high-floor vehicles are connected by couplers under the floor. Due to the large gap between the couplers, the running quality is seriously affected. Although the tight-fitting couplers were adopted later, it is still difficult to meet the requirements of small curve...

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a multi-section hinged mechanism for urban low-floor rail transit vehicles, which not only meets the needs of multi-section connection and operation of vehicles, but also has simple structure, safe and reliable operation, convenient disassembly, inspection, replacement and maintenance, and effectively solves the problem of Problems of linked formation of multi-section low-floor vehicles in urban rail transit

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