PROBLEM TO BE SOLVED: To provide a tension application device for a driving chain for an escalator, capable of applying constant tension to a driving chain even when the driving chain is extended and whole length thereof is varied.SOLUTION: A tension application device 50 comprises: a first pressing part 51 comprising a first sprocket 52 and a first movement member 53 which supports the first sprocket 52 and is supported so as to move vertically; a second pressing part 61 having a similar structure to the first pressing part 51; a weight 68 for applying pressing force to a second movement member 63 of the second pressing part 61; and an interlock mechanism 70 for relatively vertically moving the respective movement members 53, 63. The interlock mechanism 70 moves the first movement member 53 upward by weight of the weight 68, and makes the first sprocket 52 engage to driving chain 44 from a lower side, and moves the second movement member 63 of the second pressing part 61 downward, and makes the second sprocket 62 engage to the driving chain 44 from an upper side, for pressing the driving chain 44.SELECTED DRAWING: Figure 2
【課題】駆動チェーンが伸びて全長が変化しても一定の大きさの張力を駆動チェーンに付与することができるエスカレータ用駆動チェーンの張力付与装置を提供する。【解決手段】張力付与装置50は、第1スプロケット52と第1スプロケット52を軸支し上下方向に移動可能に支持された第1移動部材53とを有する第1押圧部51、第1押圧部51と同一の構成を備えた第2押圧部61、第2押圧部61の第2移動部材63に押圧力を与える錘68、各移動部材53,63を相対的に上下方向に移動させる連動機構70を備え、連動機構70は、錘68の重さによって第1移動部材53を上方に移動させて第1スプロケット52を下方から駆動チェーン44に噛み合わせて押圧させつつ、第2押圧部61の第2移動部材63を下方に移動させて第2スプロケット62を上方から駆動チェーン44に噛み合わせ駆動チェーン44を押圧させる。【選択図】図2
TENSION APPLICATION DEVICE FOR DRIVING CHAIN FOR ESCALATOR
エスカレータ用駆動チェーンの張力付与装置
28.09.2017
Patent
Elektronische Ressource
Japanisch
IPC: | B66B Aufzüge , ELEVATORS |
Europäisches Patentamt | 2019
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