The invention discloses a middle beam stepped shaft of a grab bucket, and relates to the technical field of grab buckets. The stepped shaft comprises a stepped shaft body, the stepped shaft body comprises a stepped part, and a first bolt mounting part and a second bolt mounting part are arranged at the two ends of the stepped part respectively; the stepped shaft body is provided with at least one lubricating oil channel, one end of the lubricating oil channel is connected with an oil nozzle arranged on the first bolt installation portion, and the other end of the lubricating oil channel is connected with an oil platform arranged on the side wall of the stepped portion. Compared with the prior art, the grab bucket middle beam can solve the problem that an existing grab bucket middle beam needs to be frequently replaced due to the fact that abrasion is large in the using process.

    本发明公开了一种抓斗中梁阶梯轴,涉及抓斗技术领域;它包括阶梯轴本体,所述阶梯轴本体包括阶梯部,所述阶梯部的两端分别设有第一螺栓安装部和第二螺栓安装部;所述阶梯轴本体至少设有一条润滑油道,所述润滑油道的一端与设在所述第一螺栓安装部上的油嘴相连接,另一端与设在所述阶梯部侧壁的油台相连接。与现有技术相比,本发明可以解决目前的抓斗中梁在使用过程中磨损较大,导致需要经常更换的问题。


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    Title :

    Stepped shaft of middle beam of grab bucket


    Additional title:

    抓斗中梁阶梯轴


    Contributors:
    SUN XIAOTING (author) / WANG RUCHAO (author) / HUANG YIKAI (author) / SUN DAOWEN (author) / CHEN LEI (author) / SU SHENGTAI (author)

    Publication date :

    2024-01-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES / F16N LUBRICATING , Schmierung / F16C SHAFTS , Wellen



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