The invention discloses a crawler rack of a mining heading machine, which is stable in structure and has a self-lubricating function. According to the technical scheme, the crawler belt walking device comprises a main machine frame and walking parts arranged on the two sides of the main machine frame, each walking part comprises a crawler belt beam, a driving wheel and a tensioning wheel assembly, the driving wheel and the tensioning wheel assembly are arranged at the two ends of the crawler belt beam respectively, and each tensioning wheel assembly comprises a tensioning wheel bearing, a tensioning wheel, a bearing sleeve and a bearing support. The tensioning wheel bearing is provided with an oil inlet hole extending axially, a first positioning flange is integrally formed in the middle of the tensioning wheel bearing, and positioning steps are arranged at the two ends of the tensioning wheel bearing. The first positioning flange and the positioning step are respectively provided with an oil outlet hole communicated with the oil inlet hole, the bearing sleeve is oppositely arranged in the middle of the tensioning wheel bearing in a sleeved mode and matched with the first positioning flange in a positioning mode, and the bearing supports are oppositely arranged at the two ends of the tensioning wheel bearing in a sleeved mode.

    本发明公开一种结构稳定、带自润滑功能的矿用掘进机履带机架。采用的技术方案包括:主机架及设在所述主机架两侧的行走部,所述行走部包括履带梁及分别设在所述履带梁两端的驱动轮和张紧轮组件,所述张紧轮组件包括张紧轮轴承、张紧轮、轴承套和轴承支架,所述张紧轮轴承设有轴向延伸的进油孔、中间一体成型有第一定位凸缘、两端设有定位台阶;所述第一定位凸缘、定位台阶上分别设有与所述进油孔连通的出油孔,所述轴承套相对的套于所述张紧轮轴承中部、且与所述第一定位凸缘定位配合,所述轴承支架相对的套于所述张紧轮轴承两端。


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    Title :

    Track of mining heading machine


    Additional title:

    一种矿用掘进机履带机架


    Contributors:
    SHI ZHENGHAO (author) / WANG CHENGZHE (author) / JIAO CHENGHUA (author) / DONG HAOWEN (author) / ZHENG QIUJUN (author)

    Publication date :

    2024-11-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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