US 12,146,845 B2
Component residual stress testing platform based on neutron diffraction and experimental method thereof
Lixia Yang, Beijing (CN); Haizhou Wang, Beijing (CN); Lizhi Ren, Beijing (CN); Danqi Huang, Beijing (CN); Lei Zhao, Beijing (CN); Xuejing Shen, Beijing (CN); Dongling Li, Beijing (CN); Zongxin Liu, Beijing (CN); Changwang Zhu, Beijing (CN); Yang Wang, Beijing (CN); and Yunhai Jia, Beijing (CN)
Assigned to NCS Testing Technology CO., LTD, Beijing (CN); and Central Iron & Steel Research Institute Co., Ltd, Beijing (CN)
Filed by NCS TESTING TECHNOLOGY CO., LTD., Beijing (CN); and CENTRAL IRON & STEEL RESEARCH INSTITUTE CO., LTD., Beijing (CN)
Filed on Sep. 5, 2022, as Appl. No. 17/902,952.
Prior Publication US 2023/0358693 A1, Nov. 9, 2023
Int. Cl. G01N 23/20025 (2018.01); G01N 23/207 (2018.01)
CPC G01N 23/20025 (2013.01) [G01N 23/2073 (2013.01); G01N 2223/056 (2013.01); G01N 2223/106 (2013.01); G01N 2223/307 (2013.01); G01N 2223/607 (2013.01); G01N 2223/624 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A component residual stress testing platform based on neutron diffraction, comprising a neutron spectrometer sample table and a component residual stress testing bench disposed on the neutron spectrometer sample table, wherein the component residual stress testing bench comprises:
a component support;
a rotating mainshaft;
a first thrust cylindrical roller bearing;
a first cylindrical roller bearing;
a bearing spacing sleeve;
a second cylindrical roller bearing;
a sleeve;
a first fixed baffle;
a fixed mainshaft;
a second fixed baffle; and
a second thrust cylindrical roller bearing;
wherein the component support is fixedly disposed on the neutron spectrometer sample table, the rotating mainshaft is disposed on the component support through the fixed mainshaft and the second fixed baffle, the rotating mainshaft and the component support are provided with shaft holes respectively, the rotating mainshaft is connected to the component support by the fixed mainshaft passing through the shaft holes, and the second fixed baffle is disposed at an end of the fixed mainshaft;
wherein the first thrust cylindrical roller bearing, the first cylindrical roller bearing, the bearing spacing sleeve and the second cylindrical roller bearing are successively sleeved on the rotating mainshaft from inside to outside, the bearing spacing sleeve is disposed between the first cylindrical roller bearing and the second cylindrical roller bearing, and the bearing spacing sleeve is configured to adjust a distance between the first cylindrical roller bearing and the second cylindrical roller bearing; the sleeve is sleeved outside the first cylindrical roller bearing, the bearing spacing sleeve, and the second cylindrical roller bearing; the sleeve is configured to be sleeved with a component to be tested, the first fixed baffle is configured for a transverse limit of the component to be tested, a center of the first fixed baffle is embedded with the second thrust cylindrical roller bearing, and the second thrust cylindrical roller bearing is fixedly disposed on the rotating mainshaft through connectors.