公开(公告)号：US09631990B2

公开(公告)日：2017-04-25

申请号：US14889848

申请日：2013-12-27

Applicant: NANJING FORESTRY UNIVERSITY

Inventor： Jianjun Sun ,  Qiaoan Tu ,  Qiong Hu ,  Chenbo Ma ,  Qiuping Yu ,  Min Zhou

IPC: G01L3/02 ,  G01M3/28 ,  G01M3/26 ,  G01M13/00

CPC classification number: G01L3/02 ,  G01M3/26 ,  G01M3/2869 ,  G01M13/005

Abstract: A device for testing mechanical seal performance includes a main shaft (4), a working chamber (18) with two end covers (6, 13) respectively located at two ends thereof, and two groups of mechanical seals to be tested (7); wherein a shaft sleeve (5) and the main shaft (4) form a clearance fit and penetrate through the end covers (6, 13) at two ends of the working chamber (18) together; the shaft sleeve (5) extends outside U-shaped openings (23) which are arranged at two ends of the end covers (6, 13) and arranged on the same generatrix; driven pins (15) are arranged on the locations of the main shaft (4) corresponding to the U-shaped openings (23); the middle part of the shaft sleeve (5) is provided with two segments of threads having the same thread pitch and opposite rotating directions.

公开(公告)号：US20160146681A1

公开(公告)日：2016-05-26

申请号：US14889848

申请日：2013-12-27

Applicant: NANJING FORESTRY UNIVERSITY

Inventor： Jianjun Sun ,  Qiaoan Tu ,  Qiong Hu ,  Chenbo Ma ,  Qiuping Yu ,  Min Zhou

IPC: G01L3/02 ,  G01M3/26

CPC classification number: G01L3/02 ,  G01M3/26 ,  G01M3/2869 ,  G01M13/005

Abstract: A device for testing mechanical seal performance includes a main shaft (4), a working chamber (18) with two end covers (6, 13) respectively located at two ends thereof, and two groups of mechanical seals to be tested (7); wherein a shaft sleeve (5) and the main shaft (4) form a clearance fit and penetrate through the end covers (6, 13) at two ends of the working chamber (18) together; the shaft sleeve (5) extends outside U-shaped openings (23) which are arranged at two ends of the end covers (6, 13) and arranged on the same generatrix; driven pins (15) are arranged on the locations of the main shaft (4) corresponding to the U-shaped openings (23); the middle part of the shaft sleeve (5) is provided with two segments of threads having the same thread pitch and opposite rotating directions.

Abstract translation: 用于测试机械密封性能的装置包括主轴（4），具有分别位于其两端的两个端盖（6,13）的工作室（18）和待测试的两组机械密封件（7）; 其中轴套（5）和所述主轴（4）形成间隙配合并且在所述工作室（18）的两端穿过所述端盖（6,13）; 轴套（5）延伸在U形开口（23）的外侧，U形开口（23）布置在端盖（6,13）的两端并设置在同一母线上; 驱动销（15）布置在对应于U形开口（23）的主轴（4）的位置上; 轴套（5）的中间部分设有具有相同螺距和相反旋转方向的两段螺纹。