Conveyor system with weighing capability
AssigneeTerex GB Limited
InventorsRichard Byrne, Lee Johnston, Barry McMenamin, David Gibson
Life of this patent
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Abstract
A conveyor system comprising a conveyor and a conveyor weighing apparatus. The conveyor weighing apparatus has a load determination device for determining the load exerted the conveyor on a conveyor support. The conveyor weighing apparatus may have measurement devices for measuring the angle and speed of the conveyor. The load determination device determines the load exerted by the at least section of conveyor in both laden and unladen states, and the results are combined with the speed and angle measurements, and with known system constants, to calculate the weight of material being conveyed.
Claims15
A conveyor system comprising a conveyor and a conveyor weighing apparatus, the conveyor weighing apparatus comprising:
- load determination means for determining loads exerted by at least a section of the conveyor on at least one conveyor support to produce load data;
- and
- calculation means for calculating at least one weight-related measurement for material conveyed by said conveyor using said load data;
- wherein said calculation means is configured to determine a resultant load acting along the longitudinal axis of said at least one conveyor support, and
- wherein said calculation means is configured to calculate a weight of material on said at least one conveyor section as
- W
- =
- F
- R
- *
- F
- G
- where FR is the resultant load, F is the perpendicular distance between the line of action of FR and a lower end said at least one conveyor section, and G is the perpendicular distance between the lower end of said at least one conveyor section and a location of the centre of gravity of a notional uniformly distributed load of material on the at least a section of the conveyor.
A conveyor weighing apparatus comprising:
- load determination means for determining loads exerted by at least a section of a conveyor on at least one conveyor support to produce load data,
- calculation means for calculating at least one weight-related measurement for material conveyed by said conveyor using said load data, including calculating a weight of material on said at least one conveyor section as
- W
- =
- F
- R
- *
- F
- G
- where FR is the resultant load, F is the perpendicular distance between the line of action of FR and a lower end said at least one conveyor section, and G is the perpendicular distance between the lower end of said at least one conveyor section and a location of the centre of gravity of a notional uniformly distributed load of material on the at least a section of the conveyor.
A method of weighing the material transported by a conveyor or section thereof, the method comprising:
- determining loads exerted by at least a section of the conveyor on at least one conveyor support, including determining a resultant load acting along the longitudinal axis of said at least one conveyor support to produce load data, and
- calculating at least one weight-related measurement for material conveyed by said conveyor using said load data;
- wherein said calculation means is configured to determine a resultant load acting along the longitudinal axis of said at least one conveyor support, and
- wherein said calculation means is configured to calculate a weight of material on said at least one conveyor section as
- W
- =
- F
- R
- *
- F
- G
- where FR is the resultant load, F is the perpendicular distance between the line of action of FR and a lower end said at least one conveyor section, and G is the perpendicular distance between the lower end of said at least one conveyor section and a location of the centre of gravity of a notional uniformly distributed load of material on the at least a section of the conveyor.
Dependencies are inferred from the claim text.