55t窄轨内燃机车基础制动装置设计

Designing on Foundation Brake Rigging for Narrow-Gauge Diesel Locomotive

文章针对地铁盾构施工领域使用的一款55 t内燃机车总制动距离长以及机车使用工况条件等问题,根据该机车提出的设计依据,确定基础制动装置采用双侧闸瓦踏面制动。借助计算机三维辅助设计软件Solid Works进行基础制动装置三维建模,并根据该装置安装位置和各部件设计的合理性、实用性进行结构优化,并校核紧急制动距离和黏着限制。该装置结构简单,制动气缸产生的推力通过吊杆杠杆机构传递作用在闸瓦上,提高了传力效率,且增大了制动力、增大了闸瓦与踏面的接触面积。

In view of long braking distance and the condition of the use of the narrow gauge diesel locomotive which is used in mining and transportation field, and according to the basis designing the foundation brake rigging for the locomotive, the paper proposed the scheme of a double-side foundation brake rigging.The three-dimensional model of the foundation brake rigging was established by means of computer-aided design software SolidWorks.The structural optimization was carried out according to the installation location and the rationality and practicability of the parts.By checking the braking distance and wheel-rail adhesion limit,we verify braking performance.The structure of the device is simple.The braking force produced by brake cylinder can be put on the brake shoes through the lever, which also improves the force transfer efficiency, increases the braking force, increases brake contact area between shoes and tread surface.