To provide a sheave of an elevator hoisting machine capable of eliminating hole drilling processing of reamer holes and further reliably transmitting torque.SOLUTION: A sheave of an elevator hoisting machine includes a boss part 31. A groove 40 is formed on a surface of the boss part. The groove includes a first side wall surface 40a, a second side wall surface 40b, and a bottom surface 40c. A first through hole 41 through which a reamer pin 50 is inserted is formed in the bottom surface. A first tapered washer 61 provided between the reamer pin and the first side wall surface and a second tapered washer 62 provided between the reamer pin and the second side wall surface are further included. The first tapered washer includes a first inclined surface 61a and a first counter surface 61b. A first circular arc groove 61c is formed in the first counter surface. The second tapered washer includes a second inclined surface 62a and a second counter surface 62b. A second circular arc groove 62c is formed in the second counter surface.SELECTED DRAWING: Figure 3

    【課題】リーマ穴の共開け加工を省略できるとともに、トルクをより確実に伝達できるエレベータ用巻上機の綱車を提供する。【解決手段】エレベータ用巻上機の綱車は、ボス部31を備え、ボス部の表面には溝部40が形成されており、溝部は、第1側壁面40a及び第2側壁面40bと底面40cとを有しており、底面には、リーマピン50が挿入される第1貫通穴41が形成されており、リーマピンと第1側壁面との間に設けられる第1傾き座61と、リーマピンと第2側壁面との間に設けられる第2傾き座62と、をさらに備え、第1傾き座は、第1傾斜面61aと第1対向面61bとを有しており、第1対向面には、第1円弧溝61cが形成されており、第2傾き座は、第2傾斜面62aと第2対向面62bとを有しており、第2対向面には、第2円弧溝62cが形成されている。【選択図】図3


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    Title :

    SHEAVE OF ELEVATOR HOISTING MACHINE AND ELEVATOR HOISTING MACHINE


    Additional title:

    エレベータ用巻上機の綱車及びエレベータ用巻上機


    Contributors:

    Publication date :

    2022-10-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS / F16H Getriebe , GEARING



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