To obtain an elevator hoisting machine that can reduce the work space required to replace the sheaves.SOLUTION: An elevator hoisting machine includes: a sheave support 3 having a first rotating part 802 having a cylindrical outer peripheral surface 806 and a second rotating part 803 having a cylindrical outer peripheral surface 807, in which the first rotating part 802 and the second rotating part 803 are arranged adjacent to each other, and a diameter D1 of the outer peripheral surface 806 of the first rotating part 802 is larger than a diameter D2 of the outer peripheral surface 807 of the second rotating part 803; and a sheave 4 having a first fitting part 403 formed with a first hole 406 into which the first rotating part 802 is fitted, and a second fitting part 404 formed with a second hole 407 into which the second rotating part 803 is fitted, in which the outer peripheral surface 806 of the first rotating part 802 and the inner peripheral surface of the first hole 406 are in surface contact with each other, and the outer peripheral surface 807 of the second rotating part 803 and the inner peripheral surface of the second hole 407 are in surface contact with each other.SELECTED DRAWING: Figure 3
【課題】綱車を交換するために必要な作業スペースを縮小させることができるエレベータの巻上機を得る。【解決手段】このエレベータの巻上機は、外周面806が円柱面形状に形成された第1回転部802および外周面807が円柱面形状に形成された第2回転部803を有し、第1回転部802および第2回転部803が互いに隣り合って配置され、第1回転部802の外周面806の直径D1が第2回転部803の外周面807の直径D2よりも大きい綱車支持体3と、第1回転部802が嵌められる第1穴406が形成された第1嵌合部403および第2回転部803が嵌められる第2穴407が形成された第2嵌合部404を有し、第1回転部802の外周面806と第1穴406の内周面とが互いに面接触し、第2回転部803の外周面807と第2穴407の内周面とが互いに面接触する綱車4とを備えている。【選択図】図3
ELEVATOR HOISTING MACHINE
エレベータの巻上機
2023-04-28
Patent
Electronic Resource
Japanese
IPC: | B66B Aufzüge , ELEVATORS |
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