How to use the vehicle on-board weighing device

Abstract

Vehicle on-board weighing device system and weighing method, the device system includes a bolt base, a safety hand wheel, a carriage connecting plate, a rising limit plate, a sensor connecting base, an assembly adjustment pad, a weighing sensor, a weighing contact, a lifting Oil cylinder, oil cylinder connection plate, lifting centering taper shaft, lifting centering taper hole, oil cylinder hydraulic control module, when weighing, the carriage and the weighing object are lowered to the weighing position, and the lower end of the load cell and the connecting end of the support are fixed with threads Connection, the upper end of the load cell is in an unrestricted free state, so that the weighing object can be weighed freely without any restrictions, improving the weighing accuracy of the vehicle on-board; During the lifting process, the centering effect and no gap fit connect the carriage, the weighing object and the axle into a highly rigid body, realizing the double-layer insurance of the pressure maintenance of the hydraulic control of the oil cylinder and the tightening of the safety handwheel bolts. , to ensure the safety of vehicle transportation.

Description

technical field [0001] The invention relates to a sensor weighing device system and a weighing method, in particular to a vehicle on-board weighing device system and a weighing method with a hydraulic control system. Background technique [0002] According to the test report issued by the Beijing Institute of Aerospace Metrology and Testing Technology (authorized by the National Defense Science, Technology and Industry Bureau, authorization certificate number: National Defense Military Industry-JLJG-1-003) for the force sensor of Xuzhou Institute of Engineering (force sensor FYXZ-07 Calibration certificate and its number: TJ1c2019-04-07386), the calibration results meet the technical requirements of JJG 455-2000 "Working Dynamometer Verification Regulations", of which: the standard pressure value of the sensor is 500N, the measured value is 500.1, and the indication error is -0.20% , repeatability 0.01; the standard pressure value of the sensor is 7000N, the measured value i...

AI Technical Summary

Problems solved by technology

However, when the sensor device is used on the market to weigh heavy objects on the vehicle, both ends of the sensor structure are usually threaded and fixed (one end is connected to the support and the axle, and the other end is connected to the carriage and the weighing object). After the connection, the weighing object, the carriage, the sensor, the support, and the axle are integrated, which increases the restrictions on both ends of the sensor device, and the centrifugal bending moment directly affects the weighing accuracy under the action of gravity that does not simply pass through the center of gravity, making the vehicle Vehicle weighing sensor device in the market, "weighing is not accurate, the weighing value exceeds the weighing error, and the error is large" and other bad user feedback

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