PROBLEM TO BE SOLVED: To provide an elevator governor device in which abrasion resistance and impact resistance of a flyweight and a rotary wheel are increased, and which is superior in reliability.SOLUTION: The governor device includes: a governor sheave rotated by a governor rope; a rotary wheel arranged coaxially with the governor sheave; and a flyweight which is deviated toward a working position advancing to the outside in a radial direction of the governor sheave in accordance with centrifugal force based on rotation of the governor sheave. The rotary wheel has a plurality of first engaging parts protruding from an outer peripheral part of the rotary wheel toward the governor sheave. The flyweight has second engaging parts which are pressed against the first engaging parts from the inside along the radial direction of the rotary wheel, in a state of being deviated to the working position. The first engaging part comprises: a frictional contact surface contacted by an outer peripheral surface of the second engaging parts; and an escape part where the second engaging parts of the flyweight deviated toward the working position is avoided. The rotary wheel rotates by following the governor sheave in accordance with frictional force generated between the frictional contact surface of the first engaging parts and the outer peripheral surface of the second engaging parts.SELECTED DRAWING: Figure 10
【課題】フライウエイトおよび回転輪の耐摩耗性および耐衝撃性を高めることができ、信頼性に優れたエレベータのガバナ装置を得ることにある。【解決手段】ガバナ装置は、ガバナロープにより回転されるガバナシーブと、ガバナシーブと同軸状に配置された回転輪と、ガバナシーブの回転に基づく遠心力でガバナシーブの径方向外側に進出する動作位置に向けて変位するフライウエイトと、を備えている。回転輪は、回転輪の外周部からガバナシーブに向けて突出する複数の第1の係合部を有する。フライウエイトは、動作位置に変位された状態において回転輪の径方向に沿う内側から第1の係合部に押し付けられる第2の係合部を有する。第1の係合部は、第2の係合部の外周面が接触する摩擦接触面と、動作位置に向けて変位するフライウエイトの第2の係合部を避ける逃げ部と、を含む。回転輪は、第1の係合部の摩擦接触面と第2の係合部の外周面との間に生じる摩擦力でガバナシーブに追従して回転する。【選択図】図10
ELEVATOR GOVERNOR DEVICE
エレベータのガバナ装置
2017-05-25
Patent
Electronic Resource
Japanese
IPC: | B66B Aufzüge , ELEVATORS |