F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
F16D 49/16 (2006.01) F16D 55/224 (2006.01) F16D 65/52 (2006.01)
Patent
CA 2651926
The present invention relates to a wear compensating device for a shoe brake having a brake lever (2, 4), which brake lever (2, 4) supports a brake lining (12) which acts on a brake body (14), and which brake lever (2, 4) is adjustable by means of an actuating arrangement (16) about a main axis (7) between a braking position and a ventilating position. Here, the wear compensating device has a first adjusting device (100) which is arranged on the brake lever (2, 4) and which acts on a stop (18) in such a way that the latter, as an actuating travel delimitation, acts on the first adjusting device (100) and therefore at the same time on the brake lever (2, 4) and defines a corresponding ventilating position. The first adjusting device (100) has an adjusting element (102) which engages on the stop (18) and on which acts an adjusting force (126) which, during braking and ventilation of the brake (18), holds the adjusting element (102) in engagement with the stop (18) and varies the ventilating position of the brake lever (2, 4) corresponding to the wear of the brake lining (12) and/or of the brake body (14) in such a way that a ventilation gap (L) which is set between the brake lining (12) and brake body (14) remains constant. The invention also relates to a brake device having two brake levers (2, 4) which has a wear compensating device of said type.
La présente invention concerne un dispositif de compensation de l'usure pour un frein à mâchoires avec un levier de frein (2, 4), qui porte une garniture de frein (12) agissant sur un corps de freinage (14) et qui peut être déplacé par le biais d'un agencement de commande (16) autour d'un axe principal (7) entre une position de freinage et une position de ventilation. Le dispositif de compensation de l'usure présente en l'occurrence un première dispositif de rajustement (100) disposé sur le levier de frein (2, 4) qui agit sur une butée (18) de telle sorte que celle-ci agisse en tant que limitation de la course de réglage sur le premier dispositif de rajustement (100) et agisse simultanément sur le levier de frein (2, 4) en établissant une position de ventilation correspondante. Le premier dispositif de rajustement (100) présente un élément de rajustement (102) agissant sur la butée (18), sur lequel agit une force de rajustement (126), qui, lors du freinage et de la ventilation des freins (18), maintient l'élément de rajustement (102) en prise avec la butée (8) et modifie la position de ventilation du levier de frein (2, 4) en fonction de l'usure de la garniture de frein (12) et/ou du corps de frein (14) de telle sorte qu'une fente de ventilation (L) ajustée entre la garniture de frein intermédiaire (12) et le corps de frein (14) reste constante. L'invention concerne en outre un dispositif de frein avec deux leviers de frein (2, 4), qui présente un dispositif de compensation de l'usure de ce type.
Rauch Andreas
Treude Hans-Walter
Moffat & Co.
Pintsch Bubenzer Gmbh
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