26-05-2016 дата публикации
Номер: US20160146681A1
Принадлежит:
A device for testing mechanical seal performance includes a main shaft (), a working chamber () with two end covers () respectively located at two ends thereof, and two groups of mechanical seals to be tested (); wherein a shaft sleeve () and the main shaft () form a clearance fit and penetrate through the end covers () at two ends of the working chamber () together; the shaft sleeve () extends outside U-shaped openings () which are arranged at two ends of the end covers () and arranged on the same generatrix; driven pins () are arranged on the locations of the main shaft () corresponding to the U-shaped openings (); the middle part of the shaft sleeve () is provided with two segments of threads having the same thread pitch and opposite rotating directions. 1418717273747576777377767574777375777271727273. A device for testing mechanical seal performance , comprising: a main shaft () , a working chamber () with two end covers respectively located at two ends thereof , and two groups of mechanical seals to be tested; wherein each group of mechanical seal comprises a stationary O-ring () , a stationary ring () , a rotating ring () , a rotating O-ring () , a support ring () , a spring () , a rotating ring seat (); the rotating ring () and the rotating ring seat () are axially slidably connected and are circumferentially positioned with each other; the spring () , the support ring () and the rotating O-ring () are located between the rotating ring seat () and the rotating ring () in sequence; the support ring () is axially slidably connected with the rotating ring seat (); the stationary ring () is connected with center holes on the end covers via the stationary O-ring () provided on a periphery of the stationary ring () by a sealed manner; the stationary ring () is axially opposite to the rotating ring ();{'b': 5', '4', '4', '5', '18', '23', '5', '4', '23', '5', '10', '5', '77', '77', '72', '73, 'wherein the shaft sleeve () in clearance fit with the main shaft () is ...
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