A WHEEL BALANCER
A wheel balancer (1) for balancing an allow wheel (2) comprises a support housing (30) and a main shaft (36) onto which the wheel (2) is mounted. A sub-housing (35) rotatably carries the main shaft (36), imbalance forces in the main shaft (36) and their respective directions are monitored for determ...
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| Format: | Patent |
| Sprache: | eng ; fre |
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| Zusammenfassung: | A wheel balancer (1) for balancing an allow wheel (2) comprises a support housing (30) and a main shaft (36) onto which the wheel (2) is mounted. A sub-housing (35) rotatably carries the main shaft (36), imbalance forces in the main shaft (36) and their respective directions are monitored for determining the magnitude and angular positions of balance weights required for correcting imbalances in the wheel (2) in selected balancing planes (17 and 18). A telescoping extendible sensor arm (54) is pivotally mounted about a vertical pivot axis on the support housing (30) for detecting balance weight receiving locations on the inner surface (10) of a wheel hub (4) of the wheel (2) at the selected desired balancing planes (17 and 18). Balance weight positions (22) at which correcting balance weights (20) are to be attached to the inner surface (10) of the wheel hub (4) in the respective balancing planes (17 and 18) are indicated by a laser light source (70) which directs a pencil laser beam (72) at the inner surface (10) in the lower front quadrant (23) of the wheel hub (4) when the balance weight position (22) is aligned with the laser light source (70). A laser light dot formed on the inner surface (10) indicates the angular centre line (21) of the balance weight position (22) and an inner side edge (25) of the balance weight position thereby indicating to the operator the precise position at which the correcting balance weight (20) is to be attached to the wheel hub.
La présente invention concerne une machine à équilibrer les roues (1) permettant d'équilibrer une roue (2) en acier allié et comprenant un boîtier de support (30) et un arbre principal (36) sur lequel la roue (2) est montée. Un boîtier secondaire (35) supporte de façon rotative l'arbre principal (36). On contrôle les forces de déséquilibre s'exerçant sur l'arbre principal (36) et leurs directions respectives afin de déterminer la longueur et les positions angulaires des contrepoids nécessaires pour compenser les déséquilibres de la roue (2) dans des plans d'équilibrage choisis (17, 18). Un bras détecteur télescopique extensible (54) est monté pivotant autour d'un axe de pivotement vertical sur le boîtier de support (30) afin de détecter les emplacements où seront placés les contrepoids sur la surface intérieure (10) d'un moyeu (4) de la roue (2), dans les plans d'équilibrage choisis (17, 18). Les positions (22) de contrepoids dans lesquelles les contrepoids (20) de compensation doivent être attach |
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