The invention relates to a derrick lifting anti-falling protection mechanism for a petroleum drilling machine. The derrick lifting anti-falling protection mechanism for the petroleum drilling machine comprises a derrick body, a traveling block is arranged in the derrick body, traction rings are fixedly connected to the two sides of the traveling block, a winch is arranged on one side of the derrick body, a traction rope is wound around a winch roller, the tail ends of the traction rope are tied to the two traction rings, a crown block is arranged under the traveling block, the bottom of the crown block is fixedly connected with a hanging ring, a plurality of hanging ropes are tied on the hanging ring, the tail ends of the hanging ropes are fixedly connected to the four corners of the top of the crown block, connecting blocks are fixedly connected to the side walls of the two sides of the crown block, movable grooves matched with the connecting blocks are formed in the side walls of the two sides of the derrick body, the tail ends of the connecting blocks penetrate through the movable grooves and are fixedly connected with mounting blocks, speed measuring sensors are mounted on the mounting blocks, and a first brake mechanism and a second brake mechanism are respectively arranged above and below the crown block. The derrick lifting anti-falling protection mechanism has the advantages of being reasonable in structural design, timely in braking, diversified in braking means, capable of effectively preventing the derrick from being damaged due to the fact that ropes fall off in the lifting process and the like.

    本发明涉及一种石油钻机用井架起升防脱落保护机构,包括架体,架体内设置有游车,游车两侧均固定连接牵引环,架体一侧设置有绞车,绞车滚筒上缠绕有牵引绳,牵引绳末端系在两个牵引环上,游车正下方设置有天车,其底部固定连接悬挂环,悬挂环上系有若干条悬挂绳,悬挂绳末端固定连接在天车顶部四个角处,天车的两侧侧壁均固定连接连接块,架体的两侧侧壁均开设有与连接块相配合的活动槽,连接块末端穿过活动槽并固定连接安装块,安装块上安装有测速传感器,天车上方和下方分别设置有第一制动机构和第二制动机构。本发明具有结构设计合理,制动及时,并且制动手段多样,可有效防止起升时绳索脱落而造成井架损坏等特点。


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    Title :

    Derrick lifting anti-falling protection mechanism for petroleum drilling machine


    Additional title:

    一种石油钻机用井架起升防脱落保护机构


    Contributors:

    Publication date :

    2022-02-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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