SMA beam falling prevention device
A technology for preventing falling beams and protecting frames, applied in bridges, bridge construction, bridge parts, etc., can solve problems such as increasing beam-pier-column stiffness, block failure, and material waste.
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[0026] An embodiment of the present invention provides an SMA anti-drop beam device, such as Figure 1-4 As shown, the protection frame 1 is included, the protection frame 1 is set as a box structure, the material of the protection frame 1 is set as steel, the protection frame 1 is set as a square or a circle, and the inside of the protection frame 1 is provided with a first anchor block 4, the first One side of the anchor block 4 is provided with a first stopper 2, the first stopper 2 is set as a steel stopper, the first stopper 2 and the protective frame 1 are set as a rigid connection, and the rear side of the first stopper 2 is provided with a pressure spring 5. The pressure-bearing spring 5 is set as an elastic steel spring, one end of the pressure-bearing spring 5 is anchored to the first anchor block 4, the other end of the pressure-bearing spring 5 is anchored to the inner wall of the protection frame 1, and the front side of the pressure-bearing spring 5 is provided wi...
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