Arresting brake device

B - Operations – Transporting – 66 – B

Patent

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Details

B66B 5/18 (2006.01) B66B 5/20 (2006.01)

Patent

CA 2248398

In this arresting brake device with triggering equipment for lift cages with different braking effect in upward and downward direction of travel, a tiltable rocker (1), as a barrier element, is provided with an articulated (2.1/2) two-point bearing in yielding joint pans (6.1/2). The rocker (1) is operatively connected with a movable brake shoe (14/15) and is, on actuation by triggering equipment (21), tilted by entraining members (4) up to an abutment (13.1/2) beyond or ahead of its dead centre according to direction of travel in upward or downward direction. By the tilting movement, one or the other yielding joint pan (6.1/2) is pushed against a biased adjustable compression spring (10.1/2) and the movable brake shoe (14, 15) and a fixed brake shoe (30, 31) are accordingly urged against the guide rail (7). The compression springs (10.1/2), which are arranged in a spring block (22), can each be biased separately in variable manner by a respective setting screw (11.1/2).

Dans ce dispositif de frein d'arrêt muni d'équipement de déclenchement pour cabines de monte-charge avec effet de freinage différent en direction ascendante et descendante, un culbuteur basculant (1), servant d'élément de barrière, est fourni avec un palier articulé à deux points (2.1/2) pour bassins assemblés (6.1/2) coulissants. Le culbuteur est raccordé à un sabot de frein mobile (14/15). Lorsqu'actionné par le dispositif d'enclenchement (21), le culbuteur est basculé par des éléments d'entraînement (4) contre une butée (13.1/2) au delà ou en avant de son arête centrale selon la direction de déplacement ascendante ou descendante. Grâce au mouvement basculant, un ou l'autre des bassins assemblés (6.1/2) coulissants est poussé contre un ressort de pression orienté et réglable (10.1/2), et le sabot de frein mobile (14/15) de même qu'un sabot de frein fixe (30, 31) sont pressés correctement contre le rail-guide (7). Chacun des ressorts de pression (10.1/2), installés dans un patin de ressort (22), peut être orienté séparément, de façon variable, au moyen d'une vis de réglage respective (11.1/2).

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