The utility model relates to a cutting part device of a shearer with a chord arc type edge missing structure. Including cutting part shell, motor, internal drive system, roller shaft, etc. The motor, transmission system and drum shaft are all installed in the cutting part shell, the cutting part shell is provided with hinged ear holes, the cutting part shell is provided with hinged oil cylinder holes, and the cutting part shell is provided with chord arc shape missing edges, so as to ensure that when the cutting part swings around the hinged ear holes and falls, the outer circle of the cutting part shell does not interfere with the conveyor groove side, so as to meet the requirements of the shearer It is required to clean up the residual coal seam in the floor of coal seam when cutting coal by drum. The utility model has the advantages of reasonable design, simple structure and convenient use, and can solve the problems that the diameter of the drum cannot be increased due to the limitation of the thickness of the coal seam, the drum cannot clean up the residual coal seam in the coal seam floor of the working face, and the scraper conveyor cannot normally advance, so that the coal mining cannot be carried out normally.
【技术实现步骤摘要】
一种弦弧式缺边结构采煤机截割部装置
本技术涉及一种采煤机截割部装置,确切说是一种弦弧式缺边结构采煤机截割部装置。
技术介绍
现有的薄煤层综合机械化采煤工作面(见图1、图2),需要采煤机、刮板运输机及液压支架配套协同工作,采煤机以刮板运输机为轨道在刮板运输机上穿梭行走割煤和装煤,运输机负责运煤,液压支架负责工作现场支护,当采煤机截割部以铰轴为中心向下摆动时,受截割部外圆和刮板运输机槽帮高度限制,滚筒外缘不能落到工作面底板平面高度,因此采煤机滚筒割煤后会留有残留煤层,使刮板运输机无法向前推进,采煤工作不能连续进行,需要增大采煤机滚筒直径来解决,但对于有些薄煤层工作面,如果增大滚筒直径又受到煤层厚度限制。
技术实现思路
本技术的目的是提供一种弦弧式缺边结构采煤机截割部装置,增大了截割部的下摆范围,可以不改变滚筒直径而保证滚筒外缘能够落到工作面底板高度,以解决采煤机滚筒割煤时工作面煤层底板残留的煤层,如此,刮板运输机可继续向前推进,解决采煤工作面生产可连续循环进行的问题(见图3、图4)。一种弦弧式缺边结构采煤机截割部装置,包括截割部壳体、电机、内部传动系统、弦弧形状缺边、滚筒轴、铰接耳孔、油缸铰接孔等,所述采煤机截割部壳体上设有弦弧形状缺边。所述电机安装在截割部壳体内,所述传动系统安装在截割部壳体内,所述滚筒轴安装在截割部壳体内,所述截割部壳体上设有铰接耳孔,所述截割部壳体上设有油缸铰接孔。附图说明:图1为现有采煤机截割部采煤工作面截面图;图2为现有采煤机截割部采煤工作面正面图;图3为弦弧式缺边结构采煤机截割部采煤工作面截面图;图4为弦弧式缺边结构采煤机截割部采煤工作面正 ...
【技术保护点】
1.一种弦弧式缺边结构采煤机截割部装置,包括截割部壳体(12)、电机(13)、内部传动系统(14)、弦弧形状缺边(15)、滚筒轴(16)、油缸铰接孔(17)、铰接耳孔(18),其特征在于:所述截割部壳体(12)上设有弦弧形状缺边(15)。
【技术特征摘要】
1.一种弦弧式缺边结构采煤机截割部装置,包括截割部壳体(12)、电机(13)、内部传动系统(14)、弦弧形状缺边(15...
【专利技术属性】
技术研发人员:范传喜,纪德发,姜连成,
申请(专利权)人:鸡西鸿德煤机厂,
类型:新型
国别省市:黑龙江,23
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