Abstract
During the verification process of the special axle (wheel) load scales for motor vehicles test using the standard dynamometer method, it is necessary to first apply pressure vertically to the load receptor of the axle (wheel) load scales through the axis of the force sensor, which is a prerequisite for subsequent parameter verification work such as indication error. Aiming at the problem of low automation in the lifting and lowering work of force sensors using jacks, this paper introduces a verification device for axle (wheel) load scales based on the automatic loading function and proposes specific automatic loading methods and steps. According to the experimental data after implementation, the verification device has the advantages of high automation and high efficiency, which can replace the existing jack to achieve the lifting and lowering of the force sensor. With this verification device and its automatic loading method, the measurement of the axle (wheel) load scales can meet the requirements of JJG1014-2019 “Special Axle (Wheel) Load Scales for Motor Vehicle Test”.
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