APPARATUS FOR DISPLAYING MEASURING POSITION

PURPOSE:To easily stop a tractor at a predetermined measuring position by the judgment of a driver, by providing an encoder to the wheel part of a carrier vehicle and mounting the processing system of the pulse signal outputted therefrom to the tractor. CONSTITUTION:A road surface measuring means 1...

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Bibliographic Details
Main Authors KITATSUME MASAHIRO, NOUMI YUUZOU
Format Patent
LanguageEnglish
Published 26.04.1988
Subjects
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE
FIXED CONSTRUCTIONS
GYROSCOPIC INSTRUMENTS
MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING DISTANCES, LEVELS OR BEARINGS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SURVEYING
TESTING
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Summary:PURPOSE:To easily stop a tractor at a predetermined measuring position by the judgment of a driver, by providing an encoder to the wheel part of a carrier vehicle and mounting the processing system of the pulse signal outputted therefrom to the tractor. CONSTITUTION:A road surface measuring means 1 is constituted of a transmitter- receiver 10 using laser beam, a drive mechanism 11 for reciprocally moving said transmitter-receiver 10 in the direction crossing the advance direction of a carrier vehicle 2 at a right angle and a data processing system for operationally processing a receiving signal. The transmitter-receiver 10 is constituted by using a laser diode (or a unidimensional CCD sensor) as a signal transmitter (or receiver). An encoder 20 outputting the predetermined pulse signal corresponding to the number of rotations of one wheel 2A of the vehicle 2 is provided to said wheel 2A and constituted so as to be brought into the rolling contact with the outer peripheral part of the wheel 2A. By this constitution, since the encoder measures the moving quantity of the outer periphery of the wheel 2A, even when the outer shape of the wheel 2A changes by abrasion, no effect is exerted on the moving quantity of the outer periphery of the wheel 2A to a road surface E and measurement can be accurately performed. Further, the signal processing system 30 of the output signal of the encoder 20 can be also provided to the driver's cab of the tractor.
Bibliography:Application Number: JP19860240247