Wide-frequency large-displacement vibration simulation exciter suitable for road simulation of high-speed tracked vehicles
A technology of road simulation and large displacement, which is applied in the direction of vehicle testing, instrumentation, machine/structural component testing, etc. It can solve problems such as broadband large displacement cannot meet demand, oil supply pressure cannot be adjusted, and road environment is bad, so as to achieve buffering Strong ability, convenient position adjustment, fast response effect
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[0045] A wide-frequency large-displacement vibration simulation exciter suitable for road simulation of high-speed crawler vehicles, including a tailstock 1, an oil accumulator 2, a cylinder body 10, an end cover 11, a gland 13, and a bearing platform 15. The specific structure is as follows:
[0046] The inside of the cylinder body 10 is provided with an A-port connection hole 101, a B-port connection hole 102, a second bearing internal flow hole 103, and a second buffer internal flow hole 104; both ends of the cylinder body 10 are connected with end covers 11, and a valve block is installed on the front 3 and two plug-in back pressure valves 9, an integrated piston rod 12 is installed inside.
[0047] Valve block 3 is provided with A port flow channel 301, B port flow channel 302, third bearing inner flow hole 303, fourth bearing inner flow hole 304, P port flow channel 305, T port flow channel 306, third buffer inner Orifice 307, fourth buffer internal flow hole 308 and P p...
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