Measuring device for measuring axle distance of motor vehicle based on laser range finder and infrared photoelectricity

Abstract

The invention discloses a device for measuring the axle distance of a motor vehicle based on a laser range finder and infrared photoelectricity. The device comprises a mounting frame rod, a protectiveshell and a base plate. The mounting frame rod is L-shaped; the protective shell is fixedly welded at the top of the mounting frame rod; the base plate is fixedly welded at the bottom of the mountingframe rod; and a bottom fixing mechanism is arranged under the base plate. The beneficial effects are that: a laser distance measuring sensor and the like are arranged in the detector shell, and elements of the detector shell can be matched with an external red light photoelectric switch for detection, so that all-automatic measurement can be carried out, the detection data is not influenced by artificial subjective factors, and the detection result is objective; a dynamic measurement mode is adopted in the detection process, parking is not needed, and the detection speed is high; and the laser distance measuring sensor is placed in front of a detection lane, the requirement is consistent with that of a popular motor vehicle overall dimension automatic measuring instrument on the currentmarket, one sensor can be shared, installation and transformation are convenient, and cost is low.

Description

Technical field: [0001] The invention belongs to the technical field of traffic detection, in particular to a measuring device for measuring the wheelbase of a motor vehicle based on a laser rangefinder and infrared photoelectricity. Background technique: [0002] In the existing technology, the national standard "GB38900-2020" stipulates in 6.3.2: "During the registration safety inspection, the wheelbase of the motor vehicle should be consistent with the motor vehicle product announcement and the motor vehicle factory certificate, and the error should not exceed ±1 % or ±50mm", when new trucks and trailers are registered, the vehicle wheelbase is required to be inspected; [0003] At present, the wheelbase of motor vehicles is mostly measured manually, and some instruments for measuring wheelbase difference have the function of wheelbase measurement; [0004] Among them, the traditional detection method is: fix the laser range finder and the laser reflection baffle on the ...

AI Technical Summary

Problems solved by technology

[0004] Among them, the traditional detection method is: fix the laser range finder and the laser reflection baffle on the fixture, install the fixture on the wheel tire, use the laser range finder to measure the distance of the axle, and then calculate the wheelbase difference, and Or when measuring, it is necessary to install the laser rangefinder, the laser reflector and the fixture on the wheel together. When measuring, it needs to be installed manually. The installation and measurement process takes a long time, and automatic measurement cannot be realized. Instrument and infrared photoelectric measuring device for measuring motor vehicle wheelbase

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