The invention discloses a chain tensioning device. The chain tensioning device comprises a support bottom plate (1), a support side plate (2), a limiting plate (3), bolts (4), a rotation plate (5), a center shaft (6), a rotation shaft (7), a pull rod (8), a spring (9), a nut (10) and check rings (11), wherein the support side plate (2) and the limiting plate (3) are fixed on the support bottom plate (1) in welding mode, two ends of the rotation plate (5) are respectively connected with the center of a chain wheel which is tensioned and the head of the pull rod (8) through the rotation shaft (7), and simultaneously a portion of the rotation plate (5), close to the center, is connected with the support side plate (2) through the center shaft (6), a spring (9) and two nuts (10) are sequentially installed at the lower end of the pull rod (8), which passes through the limiting plate (3), two ends of the center shaft (6) and two ends of the rotation shaft (7) are respectively limited and fixed through the check rings (11), and the whole chain tensioning device can be connected and fixed through a plurality of the bolts (4) arranged on the support bottom plate (1). The chain tensioning device has the advantages of being simple in structure, automatically tensioned, and convenient to disassemble and assemble.


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    Title :

    Chain tensioning device


    Contributors:

    Publication date :

    2015-06-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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