Device for testing rims of wheels
AssigneeMessier-Hispano-Bugatti
InventorRoger Papay
Life of this patent
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Abstract
The invention relates to a device for testing vehicle wheel rims. The device comprises means of positioning and holding the rim, means for applying loads on the rim, and is characterized by the fact that the said means for applying loads on the rim comprise, on the one hand, a set of controllable jacks whose heads are able to cooperate with the rim, and on the other hand, a control member to actuate the jacks successively according to a predetermined cycle. The device is particularly useful for testing the rims of aircraft wheels.
Claims17
A device for testing a wheel having a hub and a flanged rim adapted to receive a beaded tire comprising:
- means for positioning said rim;
- means for holding said rim in place;
- and
- means for applying cyclic loads simulating rotation of said wheel on the part of said rim receiving the bead of said tire, the amplitude value of said loads representing the spectrum of forces actually received by a rim during use on a vehicle or aircraft.
A device for testing a wheel having a hub and a flanged rim adapted to receive a beaded tire comprising:
- means for positioning said rim;
- means for holding said rim in place;
- and
- means for applying cyclic loads stimulating rotation of said wheel on the part of said rim receiving the bead of said tire, the amplitude value of said loads representing the spectrum of forces actually received by a rim during use on a vehicle or aircraft;
- a rigid frame on which said wheel is held by its hub and a plurality of supports, said supports bearing jacks exerting loads on said rim;
- each of said supports holding two skids, each skid having a concave surface, said skids being arranged relatively one to the other such that said concave surfaces are in back-to-back relation in order to allow angular adjustment of said jacks relative to said wheel, said concave surfaces having an adjustable sole thereon;
- each of said supports bearing two jacks applying pressure on the outer face, relative to said hub, of one of two flanges of said rim;
- each jack having an end proximate to said wheel and on said end at least one flexible shoe conforming in shape with that of said outer face of said flange.
A device for testing a wheel having a hub and a flanged rim adapted to receive a beaded tire comprising:
- means for positioning said rim;
- means for holding said rim in place;
- and means for applying cyclic loads simulating rotation of said wheel on the part of said rim receiving the bead of said tire, the amplitude value of said loads representing the spectrum of forces actually received by a rim during use on a vehicle or aircraft;
- said means for applying cyclic loads comprising a plurality of controllable jacks positioned substantially uniformly around said rim, said jacks having heads cooperating with said part of said rim receiving said bead and further including control means for successively actuating said jacks according to a predetermined cycle;
- a frame, a spindle on said frame, supports for said jacks on said frame, said spindle having one end on which said hub is mounted and another connected to means for rotating same.
Dependencies are inferred from the claim text.