COMBINED SELF-TIGHTENING SEALING STRUCTURE FOR HEAD OF THRUST CHAMBER

A combined self-tightening sealing structure for the head of a thrust chamber. The combined self-tightening sealing structure is configured to seal the head of a thrust chamber (24) during a test, and is characterized by comprising a first sealing assembly, a second sealing assembly and a third seal...

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Bibliographische Detailangaben
Hauptverfasser:	ZHAO, Jingjun, FAN, Wenqiang, DUAN, Lili, XU, Tongye, HU, Min, DU, Jiang, WU, Zhenzhong
Format:	Patent
Sprache:	chi ; eng ; fre
Schlagworte:	MEASURING PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A combined self-tightening sealing structure for the head of a thrust chamber. The combined self-tightening sealing structure is configured to seal the head of a thrust chamber (24) during a test, and is characterized by comprising a first sealing assembly, a second sealing assembly and a third sealing assembly, wherein the first sealing assembly and the second sealing assembly each have an annular sealing surface formed at the head of the thrust chamber (24), and the sealing surfaces of the first sealing assembly, the second sealing assembly and the third sealing assembly are sequentially arranged from outside to inside to jointly seal the head of the thrust chamber (24); and the first sealing assembly transmits a test load force to a flange (26) of the head of the thrust chamber, the second sealing assembly transmits the test load force to a back surface of the flange (26) of the head of the thrust chamber, and the third sealing assembly transmits the test load force to a test device base. The device improv