摘要
本次设计参照了太原煤科院研制生产的EBJ-120TP型掘进机，这是一种中型悬臂式掘进机，主要用于中型煤巷及半煤岩巷的掘进作业。它结构紧凑、适应性好、机身矮、重心低、操作简单、检修方便。我的设计主要针对掘进机的行走部进行结构及液夜系统相关设计。设计中采用履带式行走部，驱动动力由液压马达提供，利用液压马达转动方向变化实现行走部前进、后退和转向。在行走部传动设计中，采用高速直联液压马达接一级圆柱直齿轮传动再接3K(Ⅱ)型行星传动的设计方案，通过制动器并将它和液压马达联结，制动器内圈悬浮,既起到制动功能又起联轴器作用，源头制动使制动性能更可靠。本设计的创新点：用制动器替代了联轴器。减速器安装时左右两侧的减速器对调180度错开布置。充分利用空间，使结构紧凑。
掘进机的总体方案设计对于整机的性能起着决定性的作用。因此，根据掘进机的用途、作业情况及制造条件，合理选择机型，并正确确定各部结构型式，对于实现整机的各项技术指标、保证机器的工作性能具有重要意义。
关键词：悬臂式掘进机 ；行走部 ；行星减速器 ；制动器 ； 行星齿轮
ABSTRACT
This design References the EBJ-120TP tunneling machine which is designed by Coal Science Research Institute in Taiyuan. It is one kind of medium cantilever tunneling machine which is mainly used in the medium coal lane and the half coal crag lane digging the tunnels, its structure compact, the compatibility good, the fuselage short, the center of gravity low, the operation simple, the overhaul is convenient. My design mainly aims at the tunneling machine’s walks-organization. I try to carry on the design of its structure and transmission.It uses marching walks organization, the actuation power provides by the oil motor, using the change of the oil motor’s rotation direction to make the walks-organization advance, retrocede, and turn. In the transmission design of the walks organization, using High-speed hydraulic motor to connect a pair of cylindrical Gear then connect a 3 K (II) type planetary gear, and uses the brake to link hydraulic motors
Brake Inner Ring suspended can brake and link, and the source of more reliable braking performance. The innovation in designing: Use braking instead of coupling; when reducer is installed ,at each side of the reducer reversed 180 degrees staggered layout. Make full use of space and compact structure.
Keywords：Cantilever tunneling machine; Walks-organization;
Planet reduction gear; Brake, Planetary gear
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