Stern shaft seal
A technology for sealing devices and stern shafts, which is applied to the sealing of engines, transmission devices with synchronous propulsion components, engine components, etc., and can solve problems such as the failure of dynamic and static friction pairs of sealing devices, affecting the normal navigation of ships, and poor adaptability to sand and sand. , to achieve the effect of reducing maintenance frequency, enhancing emergency capability and prolonging service life
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[0013] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0014] figure 1 , 2 Including installation base 1, pressure ring 2, air bag 3, first sealing ring bracket 4, first main collar 5, adjusting bolt 6, elastic compensator 7, second main collar 8, second sealing ring support Frame 9, positioning pin 10, splash guard 11, seal ring 12, support ring 13, transmission snap ring 14, emergency sealing body 15, emergency adjustment screw 16, emergency compression nut 17, support ring 18, etc.
[0015] like figure 1 , 2 As shown, the present invention is a stern shaft sealing device, comprising a mounting base 1, an air bag 3 is fixed in the inner hole of the mounting base 1, a first sealing ring bracket 4 is arranged on the mounting base 1, and the first sealing ring bracket 4 is arranged on the mounting base 1. The ring bracket 4 is connected to the second sealing ring bracket 9 through a connectin...
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