公开(公告)号：US12031953B2

公开(公告)日：2024-07-09

申请号：US17716217

申请日：2022-04-08

Applicant: TIANJIN UNIVERSITY

Inventor： Lianyong Xu ,  Lei Zhao ,  Yongdian Han ,  Chao Feng

IPC: G01N3/20 ,  B63B79/30

CPC classification number: G01N3/20 ,  B63B79/30 ,  G01N2203/0017 ,  G01N2203/0019 ,  G01N2203/0252 ,  G01N2203/0254 ,  G01N2203/0296

Abstract: Disclosed is a deepwater platform welded joint testing system. The testing system comprises a host unit, a hydraulic unit and a control unit, wherein the control unit is connected with the host unit and the hydraulic unit respectively; the host unit comprises a bearing frame placed on a bearing base, biaxial tension/compression loading oil cylinders mounted on the bearing frame, a lateral force resistant mechanism connected to the front ends of the biaxial tension/compression loading oil cylinders, counter-force supports fixed to the top end of the bearing frame and biaxial bending loading oil cylinders mounted on the counter-force supports. According to the deepwater platform welded joint testing system, through the independent or synergistic effect of the six loading oil cylinders, stretching and fatigue performance tests of a large complex structure under uniaxial tension/compression, uniaxial bending, biaxial tension/compression, biaxial bending and uniaxial/biaxial tension/compression and bending composite loads can be achieved.

公开(公告)号：US12163928B1

公开(公告)日：2024-12-10

申请号：US18809316

申请日：2024-08-19

Applicant: Tianjin University

Inventor： Lianyong Xu ,  Lei Tian ,  Lei Zhao ,  Chao Feng ,  Molin Su ,  Yongdian Han

IPC: G01N3/36

Abstract: A detection device includes a frame body and a main pipe positioning assembly, a branch pipe positioning assembly, and a first driving assembly disposed on the frame body. One side of the frame body is provided with an opening. The branch pipe positioning assembly is disposed inside the opening. The first driving assembly adjusts the branch pipe positioning assembly, so that the branch pipe positioning assembly is adapted to positions of the two branch pipes. During detection, the branch pipes are located in the opening, the main pipe positioning assembly connects two ends of the main pipe, and the branch pipe positioning assembly connects the two branch pipes. Two limiting members are slidably disposed on the frame body to open and close the opening, and the limiting members abut against an outer wall of the main pipe, such that the main pipe is located inside or outside the opening.

公开(公告)号：US20230324268A1

公开(公告)日：2023-10-12

申请号：US17716217

申请日：2022-04-08

Applicant: TIANJIN UNIVERSITY

Inventor： Lianyong XU ,  Lei Zhao ,  Yongdian Han ,  Chao Feng

IPC: G01N3/20 ,  B63B79/30

CPC classification number: G01N3/20 ,  B63B79/30 ,  G01N2203/0296 ,  G01N2203/0019 ,  G01N2203/0252 ,  G01N2203/0017 ,  G01N2203/0254

Abstract: Disclosed is a deepwater platform welded joint testing system. The testing system comprises a host unit, a hydraulic unit and a control unit, wherein the control unit is connected with the host unit and the hydraulic unit respectively; the host unit comprises a bearing frame placed on a bearing base, biaxial tension/compression loading oil cylinders mounted on the bearing frame, a lateral force resistant mechanism connected to the front ends of the biaxial tension/compression loading oil cylinders, counter-force supports fixed to the top end of the bearing frame and biaxial bending loading oil cylinders mounted on the counter-force supports. According to the deepwater platform welded joint testing system, through the independent or synergistic effect of the six loading oil cylinders, stretching and fatigue performance tests of a large complex structure under uniaxial tension/compression, uniaxial bending, biaxial tension/compression, biaxial bending and uniaxial/biaxial tension/compression and bending composite loads can be achieved.