The invention discloses an anti-falling limiting safety device for hoisting machinery, and belongs to the technical field of safety devices of hoisting machinery, the anti-falling limiting safety device comprises a shell, the shell is fixedly connected with a shell of a safety brake and located above a side plate of a winding drum, a first wire barrel and a second wire barrel are arranged at the top in the shell, and a first gear is arranged at one end of the first wire barrel; a second gear is arranged at the other end of the first wire barrel and is in meshed connection with a large gear ring on the winding drum through a gear train, a third gear in meshed connection with the first gear is arranged at one end of the second wire barrel, and the other end of the second wire barrel corresponds to a rotating speed sensor; the rotating speed sensor is connected with an alarm and a safety brake switch through a controller, a rope is wound between the first wire barrel and the second wire barrel in a crossed mode, and one end of the rope is connected with a limiting switch on the first wire barrel. According to the anti-falling limiting safety device for the hoisting machinery, the hoisting space is not occupied, and meanwhile, the anti-falling limiting safety device for the hoisting machinery has the functions of top rushing prevention limiting and high falling prevention early warning.

    本发明公开了一种起重机械用防坠限位安全装置,属于起重机械的安全装置技术领域,包括壳体,壳体与安全制动器的外壳固定连接并位于卷筒的侧板上方,壳体内的顶部设有第一线桶和第二线桶,第一线桶的一端设有第一齿轮,第一线桶的另一端设有第二齿轮,第二齿轮通过齿轮系与卷筒上的大齿圈啮合连接,第二线桶的一端设有与第一齿轮啮合连接的第三齿轮,第二线桶的另一端与转速传感器对应设置,转速传感器通过控制器与报警器和安全制动器开关连接,第一线桶和第二线桶之间交叉绕设有一绳线,绳线的一端与第一线桶上的限位开关连接。本发明采用上述结构的起重机械用防坠限位安全装置,不占用起升空间,同时具备防冲顶限位和防高坠预警功能。


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    Title :

    Anti-falling limiting safety device for hoisting machinery


    Additional title:

    起重机械用防坠限位安全装置


    Contributors:
    LI XIN (author) / GENG MINGCHAO (author) / LIU CHUNDONG (author) / LIU XIANGHUI (author) / LI XUWEN (author) / GU CAIHONG (author)

    Publication date :

    2024-02-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66D Haspeln , CAPSTANS / G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen / G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK , Messen der Linear- oder Winkelgeschwindigkeit, der Beschleunigung, der Verzögerung oder des Stoßes



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