PROBLEM TO BE SOLVED: To provide a speed governor capable of preventing a foreign matter from being caught in a speed governor tension pulley.SOLUTION: A speed governor 10 includes: a governor rope 12 connected to a car 4 so as to move in conjunction with lifting and lowering operation of the car 4, and formed of only one annular rope; a governor sheave 14 around which an upper folded part of the governor rope 12 is wound; a governor tension pulley 16 around which a lower folded part of the governor rope 12 is wound; a top face cover 20 which covers the top face of the governor tension pulley 16; and coil spring members 22 provided to the top face cover 20, which are wound around the governor rope 12 a plurality of times.
【課題】調速機において、調速機張り車における異物の挟み込みを防止することを可能とすることである。【解決手段】調速機10は、乗りかご4の昇降動作に連動して移動するように乗りかご4に連結され、1本の環状ロープのみで構成される調速機ロープ12と、調速機ロープ12の上側折り返し部が巻回される調速機シーブ14と、調速機ロープ12の下側折り返し部が巻回される調速機張り車16と、調速機張り車16の上面を覆う上面カバー20と、上面カバー20に設けられ、調速機ロープ12の周囲に複数回巻回されたコイルばね部材22と、を備える。【選択図】図1
ELEVATOR SPEED GOVERNOR
エレベータ用調速機
2015-12-07
Patent
Electronic Resource
Japanese
IPC: | B66B Aufzüge , ELEVATORS |