Fatigue experiment device for deepwater stand pipe
A technology of fatigue experiment and standpipe, which is applied in the direction of applying stable tension/pressure to test the strength of materials, etc. It can solve the problems of large deviation of force status of deepwater riser, achieve compact structure, reduce pollution, and facilitate assembly and disassembly Effect
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 The present invention will be described in detail below with reference to the drawings and embodiments.
 Such as figure 2 , image 3 As shown, the device of the present invention includes a master cylinder 1, two ends of the master cylinder 1 are respectively provided with an axial loading cylinder 2 with end sealing function, two axial loading cylinders 2 are respectively provided with an axial force interface 3 , The pistons 4 of the two axial loading cylinders 2 are respectively connected to the two ends of a riser sample assembly 6 through the connecting device 5. The standpipe sample assembly 6 includes a sample body 7 and a connecting rod 9 that is rotatably connected with one end of the sample body 7 through a cylindrical pin 8. A simulated soil body 10 is provided between the lower part of the sample body 7 and the main cylinder 1. A pair of lateral servo loading cylinders 11, 12 are arranged at intervals on the top of the main cylinder 1, the pistons of ...
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