Solid expandable tubular loaded bending expansion test device
A technology of expansion test and bending test, which is applied in the direction of testing material strength by applying stable bending force and testing material strength by applying stable tension/pressure, which can solve the hidden dangers of safety and reliability of the expanded pipe body and the inability to expand the full size of the pipe Evaluation test and other issues, to achieve the effect of simple and reliable device structure
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[0023] The present invention will be described in detail below in conjunction with the drawings and embodiments.
[0024] The solid expansion pipe load bending expansion test device provided in the embodiment is composed of a loading frame and a bending test platform.
[0025] Such as figure 1 As shown, the loading frame adopts a horizontal structure, which is composed of hydraulic cylinder 1, main frame 6 and frame bracket 7. The main frame 6 adopts a steel welded structure and has a rectangular design. The middle part is not blocked, and the space is large. For the bending test platform, the frame material is annealed to meet the maximum load of 2000KN. Connected to the hydraulic cylinder 1 on the right side of the main frame 6 is the piston rod 3. The piston rod 3 is connected with the tensile chuck 5, which is used to connect the expansion tube for testing and apply axial load. The chuck fixing frame 4 and the main frame 6 Connected to support the tension chuck 5. A reaction ...
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