Axle box built-in side beam based on new primary spring seat

Abstract

The invention discloses an axle box built-in side beam based on a novel primary spring seat, and belongs to the field of railway vehicle bogie side beam devices. The axle box built-in side beam comprises two primary steel springs, two primary vertical shock absorbers, a forged piece side beam device and two wheel set built-in primary suspension axle box devices, and the forged piece side beam device comprises a forged piece side beam lower cover plate, a forged piece side beam upper cover plate, a central single vertical plate, two forged piece cap cylinders, two forged piece vertical shock absorber hanging seats, two forged piece brake hanging seats, two oblique transition connecting seats, two forged piece cross beam pipe connecting seats and a plurality of forged piece milling residualrib plates, which are integrally formed. One corresponding forged piece cross beam pipe connecting seat on each of two forged piece side beam devices is connected with corresponding shell side beam connecting columns at the two sides of a conventional cross beam pipe or a longitudinal motor shell through bolts, so the mounting efficiency is improved, the influence of welding deformation on the framework structure is avoided, the outline size and the turning radius of the framework are remarkably reduced, and the curve passing capacity of the framework is improved.

Description

technical field [0001] The invention belongs to the field of rail vehicle bogie side beam devices, in particular to an axle box built-in side beam based on a novel primary spring seat. Background technique [0002] A rail vehicle bogie with a traction motor is commonly called a power bogie, and a bogie without a motor is commonly called a trailer bogie. The primary suspension device of the two types of bogies is composed of a steel spring 3 and a vertical shock absorber 4 . [0003] The design of power bogie not only needs to comprehensively consider the structural strength and flexibility of the main body of the load-bearing frame, the effect of various auxiliary damping components such as anti-snake dampers, and the installation method of the braking mechanism, but also needs to be aimed at According to the requirements of different models, according to the theoretical speed of the train, load bearing, minimum curve curvature and snow and flying stones and other road cond...

AI Technical Summary

Problems solved by technology

[0008] In order to solve the existing integral casting side beams, it is necessary to design and manufacture special casting molds, and must face large overall mass, many casting defects, high scrap rate, and poor structural strength; box-type weldment side beams will cause complex problems due to welding cooling Distortion, deformation and size out of tolerance lead to technical problems that must be corrected through heavy and complicated surveying and repairing operations; and the bogies of the prior art lack sufficient axle box layout space inside the side beams, resulting in axle boxes only It can be arranged at both ends of the axle, which not only increases the risk of damage to the axle box, but also increases the overall structural size and turning radius of the bogie, which is not conducive to the improvement of its minimum curve passing capacity; and different train design speeds per hour Requirements or different side beam structures will also have a great impact on the layout space and structural form of the primary suspension device, often resulting in the layout of the old primary suspension device failing to meet the requirements of the installation location and vibration reduction indicators. It is necessary to overthrow the old reference scheme and make a technical problem of improving the design of a new concept. The present invention provides a built-in side beam of the axle box based on a new type of one-series spring seat

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