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Method for testing load of front axle of commercial vehicle

A load test, commercial vehicle technology, applied in the vertical force and braking torque test, the longitudinal force on the front axle of commercial vehicles, and the lateral force field, can solve the problems of expensive equipment, high maintenance and repair costs, and achieve small cost effect

Inactive Publication Date: 2011-08-10
FAW GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a commercial vehicle front axle load test method to solve the problems of expensive equipment and high maintenance and repair costs in the current commercial vehicle front axle load test

Method used

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  • Method for testing load of front axle of commercial vehicle
  • Method for testing load of front axle of commercial vehicle
  • Method for testing load of front axle of commercial vehicle

Examples

Experimental program
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Effect test

Embodiment Construction

[0011] Such as figure 1 , figure 2 As shown, paste the resistance strain gauges 11, 13, 21, 23 on the left side of the front axle, and paste the resistance strain gauges 12, 14, 22, 24 on the left side of the front axle. The 1 / 4 and 3 / 4 proportions of the front side of the downward curve are attached along the axial direction of the resistance strain gauges 32, 34, and the 1 / 4 and 3 / 4 proportions of the rear side of the left downward curve of the front axle are along the axial direction. Paste the resistance strain gauges 31 and 33 respectively, and paste the resistance strain gauges 43 and 44 on the middle front side of the horizontal part of the front axle on the left side of the front axle before bending down, in the direction of ±45o to the axial direction, respectively, on the left side of the front axle Paste the resistance strain gauges 41 and 42 on the middle and rear side of the horizontal part before the front axle is bent down, in the direction of ±45o with the axis ...

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Abstract

The invention relates to a method for testing the load of a front axle of a commercial vehicle, belonging to methods for testing the load of vehicle front axles. A resistance strain gage is pasted to the left side of the front axle, and welding wires are respectively and sequentially connected to four bridge arms of a Wheastone bridge; and load equipment and a load sensor are used for respectively applying longitudinal force, lateral force, vertical force and brake torque on a vehicle axle to carry out a one-way load calibration test. The method is used for accurately testing the load of the front axle of the commercial vehicle and has the advantage of low cost, easiness for operation and great significance to engineering application.

Description

Technical field [0001] The invention relates to a load test method for the front axle of an automobile, in particular to a test method for the longitudinal force, lateral force, vertical force and braking torque of the front axle of a commercial vehicle. Background technique [0002] The front axle of a commercial vehicle is also known as the front axle is connected to the frame or the load-bearing body through the suspension. Its two ends are equipped with wheels. Its function is to transmit the forces and moments in all directions between the frame or the load-bearing body and the wheels. The importance of the axle can be known from the function of the vehicle axle. Therefore, the front axle load of commercial vehicles: mainly longitudinal force, lateral force, vertical force and braking torque. The test data of various roads and load conditions have also become very concerned by commercial vehicle manufacturers. Things. [0003] At present, the main test method for the accurate...

Claims

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Application Information

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IPC IPC(8): G01M5/00G01L1/22
Inventor 赵晋刘再生魏文广
Owner FAW GROUP
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