Device for measuring flexural rigidity of structural member in high-low temperature environments
A testing device, a technology of bending stiffness, applied in the testing of machine/structural components, measuring devices, elasticity testing, etc., can solve the problem that the laser transmitter cannot be located on the component, follow the three-dimensional displacement of a certain point, and achieve weight The effect of light weight, good real-time performance and high measurement accuracy
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[0029] In conjunction with the accompanying drawings, a device for testing the bending stiffness of structural parts in high and low temperature environments, the test device includes a laser measurement group, an air flotation device, a lifting device 1, a moving beam 2, a high and low temperature resistant pull rope 7, a high and low temperature box etc. The air flotation device includes an air flotation shaft 16 and an air flotation sleeve 5 .
[0030] The lifting device 1 is located outside the high and low temperature chamber, and the moving beam 2 is set on the lifting device 1 and can move up and down.
[0031] The air flotation device has two sets, and the air flotation shaft 16 of the air flotation device is fixed on the moving beam 2 through the air flotation bearing seat 3, and the air flotation sleeve 5 is sleeved on the air flotation shaft 16. A grating displacement sensor 4 and a wireless data transmission module 15 are installed on the air bearing shaft 16 .
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