Semi-vehicle mass simulation state based bogie hanging natural vibration characteristic test bed
A technology for simulating state and natural vibration characteristics, which can be used in the measurement of resonance frequency, railway vehicle testing, measuring devices, etc., can solve the problems of mode shape and frequency research, and the natural vibration characteristics of bogies can not be solved, so as to achieve accurate detection and shorten the research and development cycle time, save test time and cost
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[0053] The above objectives of the present invention are achieved through the following technical solutions, which are described as follows with reference to the drawings.
[0054] Refer to figure 1 , 2 , 3, 4, 5, a test bed for bogie suspension self-vibration characteristics based on the half-car mass simulation state, the test bed includes test bed positioning and auxiliary support device A, test bed excitation loading device B and half car mass Simulation loading device C. The test bench positioning and auxiliary support device A is fixedly connected to the test bench concrete foundation III, which provides installation and fixed positions for the test bench positioning, loading and auxiliary devices, and provides counter-force support for the various actuators; test bench excitation loading device B It is fixedly connected with the components of the test bench positioning and auxiliary support device A, and the tested bogie II is fixed and restrained, and a certain form of ex...
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