To provide a tension balancer of spiral spring type which is capable of easily changing a radius of a variable diameter pulley according to characteristics of individual springs incorporated in a device.SOLUTION: In a tension balancer 1, a pulley 6 comprises: a plate-shaped pulley substrate 18 which is formed in a peripheral shape having a radius change ratio according to average characteristics of a spiral spring 2; a radius correcting member 19 which is detachably provided on a periphery of the pulley substrate 18 for forming, on the pulley 6, a specific peripheral shape according to the characteristics of the specific incorporated spiral spring 2; and a pair of wire guide members 20 which are detachably fitted to respective peripheral side faces of the pulley substrate 18 so as to form a groove 21 whose bottom is an outside surface of the radius correcting member 19.SELECTED DRAWING: Figure 1
【課題】装置に組み込まれる個々のばねの特性に合わせて可変径プーリーの半径を容易に変更できる渦巻ばね式のテンションバランサを提供する。【解決手段】テンションバランサ1は、プーリー6が、渦巻ばね2の平均的特性に応じた半径の変化率を持つ外周形状に形成された板状のプーリー基体18と、組み込まれる特定の渦巻ばね2の特性に応じた特定の外周形状をプーリー6に形成するためにプーリー基体18の外周に着脱自在に設けられる半径補正部材19と、当該半径補正部材19の外側面が底になる溝21を形成するようにプーリー基体18の外周部両側面に着脱自在に取り付けられる一対のワイヤガイド部材20と、を具備する。【選択図】図1
TENSION BALANCER FOR OVERHEAD WIRE
架空線用テンションバランサ
29.09.2022
Patent
Elektronische Ressource
Japanisch
IPC: | B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES / H02G INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES , Verlegen oder Installieren elektrischer Kabel oder Leitungen, Verlegen oder Installieren kombinierter optischer und elektrischer Kabel oder Leitungen |
OVERHEAD WIRE SPRING TYPE TENSION BALANCER DRAWER DEVICE
Europäisches Patentamt | 2017
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