The simulated three-stage road turbulence test bench is suitable for the accelerated road transportation simulation test of products transported by trucks to determine whether the products can adapt to the expected transportation vibration environment. The accelerated simulation test of highway transportation refers to the test which is consistent with the statistical characteristics of fatigue cumulative damage of automobile transportation environment by increasing the test value of simulated transportation vibration on the simulation platform to shorten the time of transportation simulation test.
The method of band division approach is used to simulate broadband random vibration. Each subband contains a primary natural frequency and meets the power spectrum of the subband. The vibration parameters of the transport platform are consistent with the actual road spectrum, and the rotating time of the test platform is equal to the actual time.
|Maximum weight of the subject (including fastening fixture, etc.)||500kg|
|Mode of vibration||Wide-band random vibration|
|Acceleration instantaneous value probability density function||It's almost a normal distribution|
|Simulated pavement||Intermediate pavement of third grade highway and medium and low pavement of fourth grade highway|
|Simulated speed||Medium truck medium road 35Km/ h Medium truck medium road 25Km/ h|
|Height of center of gravity||≤700mm|
|Overall dimension||(L x W x H): 2000x1400x1000mm|
|Continuous working time||8 hours|
|Environmental conditions||Temperature 0-40℃ humidity < 90% (25 ℃)|
|Supply voltage||Three-phase four-wire system 380V±10% /50Hz,9kVA|