Structural Deflection and Load Measuring Device
First Claim
Patent Images
1. A structural deflection and load measuring device for mounting on an axle comprising:
- (i) at least one light beam emitting device connected to the axle and operable to emit at least one light beam; and
(ii) at least one light position sensing device connected to the axle and located relative to the light beam emitting device, the at least one light position sensing device comprising at least two independent locations for receiving an incident beam and operable to measure the at least two independent locations.
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Accused Products
Abstract
The present invention provides a structural deflection and load measuring device for mounting on an axle. The device includes at least one light beam emitting device connected to the axle and able to emit at least one light beam and at least one light position sensing device connected to the axle. The sensing device is located relative to the light beam emitting device for receiving at least one light beam from the light beam emitting device thereon and is operable to calculate the position of the light beam received on its surface.
16 Citations
31 Claims
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1. A structural deflection and load measuring device for mounting on an axle comprising:
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(i) at least one light beam emitting device connected to the axle and operable to emit at least one light beam; and (ii) at least one light position sensing device connected to the axle and located relative to the light beam emitting device, the at least one light position sensing device comprising at least two independent locations for receiving an incident beam and operable to measure the at least two independent locations. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 20, 23)
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12. A method for measuring axle deflection using an optical axle deflection sensor comprising at least one light emitting device connected to the axle and at least one light position sensing device connected to the axle and located relative to the light beam emitting device for receiving at least one light beam from the light beam emitting device thereon, the method comprising the steps of:
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(i) measuring the position of the light beam from the light beam emitting device on the light position sensing device when no load is applied to the axle; (ii) applying a load to the axle and re-measuring the position of the light beam on the sensing device; (iii) comparing the position of the light beam in (i) with (ii) and calculating the light beam deflection; and (iv) calculating the axle deflection using the light beam deflection calculated in (iii). - View Dependent Claims (13, 15, 16, 17, 18, 19, 21)
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14. A structural deflection and load measuring device for mounting on a dual wheel axle comprising:
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(i) a housing for mounting on the axle; (ii) at least one mirror assembly for mounting on the inside of at least one wheel hub cap connected to the wheel axle; (iii) at least one light beam emitting device contained within the housing and operable to emit at least one light beam towards the mirror assembly; (iv) at least one light position sensing device contained within the housing and located adjacent the light beam emitting device for receiving the at least one deflected light beam from the mirror assembly thereon and operable to calculate the position of the light beam received thereon.
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22. A structural deflection and load measuring device for mounting on an axle comprising:
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a housing for mounting on the axle; a first light beam emitting device contained within the housing and operable to emit at least one light beam; a first light position sensing device contained within the housing and located relative to the light beam emitting device for receiving at least one light beam from the first light beam emitting device thereon and operable to calculate the position of the light beam received thereon; a second light beam emitting device contained within the housing and located adjacent the first light beam emitting device; a second light position sensing device contained within the housing and located relating to the second light beam emitting device for receiving the light beam emitted from the second light beam emitting device and operable to calculate the position of the light beam received thereon; and a refractive optical device located between light emitting device and the second light position sensing device.
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24. A structural deflection and load measuring device for mounting on a dual wheel axle comprising:
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(i) a housing for mounting on the axle; (ii) at least one mirror assembly for mounting on the inside of at least one wheel hub cap connected to the wheel axle; (iii) at least one light beam emitting device contained within the housing and operable to emit at least one light beam towards the mirror assembly; (iv) at least one light position sensing device contained within the housing and located adjacent the light beam emitting device having at least two independent locations for receiving an incident beam and operable to measure the at least two locations. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31)
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Specification