Apparatus for acquiring dump truck duty cycle data

Details Apparatus for acquiring dump truck duty cycle data Apparatus for acquiring dump truck duty cycle data

1982-06-14

1985-09-17

Chin, Gary

Boots, shoes, and leggings

340 52F, G06F 1520

Patent

active

045424616

ABSTRACT:
A duty cycle data acquisition system for a truck having an elevatable dump body, a hydraulic hoisting mechanism, throttle and transmission controls, and a retarder further including a microprocessor having an analog imput corresponding to ground speed of the truck and which records the amount of time the ground speed remains in any of a plurality of increments corresponding to the speed range of the truck in one of eight histogram output memories selectively determined by the inputs of a plurality of on-off switches corresponding to throttle position, transmission forward or reverse position, retarder position, and a one-shot timer switch activated by a loaded dump body actuating circuit, the latter circuit including a switch sensing body position relative to the frame disposed in series with a pressure switch located in the hoist mechanism, the pressure switch being calibrated to close only when a loaded body is lifted.

REFERENCES:
patent: 3792445 (1974-02-01), Bucks et al.
patent: 4035621 (1977-07-01), Kemp
patent: 4072850 (1978-02-01), McGlynn
patent: 4188618 (1980-02-01), Weisbart
patent: 4258421 (1981-03-01), Juhasz et al.
patent: 4338512 (1982-07-01), Ludwig
patent: 4344136 (1982-08-01), Panik
patent: 4395624 (1983-07-01), Wartski
"Datamyte 400", published by Electro General Corporation of Minetonka, Minesota.
"457 Switchable Time at Level Program", published by Electro General Corporation of Minetonka, Minesota.

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