A fixed structure assembly for the stairs above the gearbox of a double-decker bus

Abstract

The invention provides a fixed structure assembly for the stairs above the gearbox of a double-decker bus, which includes a step bracket assembly arranged above the gearbox for connecting the bottom frame and the upper frame. The first step bracket assembly of the rear door of the side vehicle, the second step bracket assembly arranged above the gearbox, and the third step bracket assembly arranged above the wheel cover for connecting the upper frame, wherein the second step bracket assembly includes A four-step step bracket and a five-step step bracket, wherein the four-step step bracket is provided with a gearbox inspection port and a raised floor laid on the gearbox inspection port. The present invention cancels the original seat above the gearbox by arranging the step bracket assembly directly above the gearbox, and a gearbox inspection port is arranged on the step bracket, so that the inspection port is enlarged, and the inspection and assembly space of the gearbox is improved. Larger, more convenient maintenance and installation.

Description

technical field [0001] The invention relates to the technical field of a double-decker bus, in particular to a fixed structure assembly for a staircase above a gearbox of a double-decker bus. Background technique [0002] At present, the commonly used low-floor double-decker bus, the stairs are located behind the front wheel housing or the rear wheel housing, and the rear door of the vehicle is opposite to the gearbox. The movement space of the box and the channel design are narrow, which affects the speed of passengers getting on and off the car. In order to improve the utilization rate of the passenger space, a seat is installed on the fixed structure of the frame above the gearbox, and the inspection port of the gearbox is set on the gearbox. In this case, the seat needs to be dismantled for maintenance of the transmission, which is inconvenient for maintenance; on the other hand, since the frame above the transmission needs to be embedded with seat supports, the inspecti...

AI Technical Summary

Problems solved by technology

[0002] At present, the commonly used low-floor double-decker bus, the stairs are located behind the front wheel housing or rear wheel housing, and the rear door of the vehicle is opposite to the gearbox. The movement space of the box and the channel design are narrow, which affects the speed of passengers getting on and off the car. In order to improve the utilization rate of the passenger space, a seat is installed on the fixed structure of the frame above the gearbox, and the inspection port of the gearbox is set on the gearbox. In this case, the seat needs to be disassembled for maintenance of the transmission, which is inconvenient for maintenance; on the other hand, since the frame above the transmission needs to be embedded with seat supports, the inspection port of the transmission is designed to be small, and the assembly space and maintenance space of the transmission are limited

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