Connecting structure for impeller and high-speed shaft of steam compressor
A technology of steam compressor and connection structure, applied in mechanical equipment, machine/engine, liquid fuel engine, etc., can solve the problems affecting the long-term stable operation of the unit, hidden dangers, no sealing method, etc., to prevent water vapor from entering the contact surface , improve security, ensure the effect of connection
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[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.
[0019] like Figure 1~4 As shown, a connection structure of a steam compressor impeller and a high-speed shaft disclosed in the present invention includes an impeller 1 and a high-speed shaft 2, the contact surface 3 of the high-speed shaft 2 has an internal thread fixing hole 4, and the impeller and the high-speed shaft The pull rod 5 passes through the inner hole of the impeller 1 and is fixed in the internally threaded fixing hole 4, and the tail end of the pull rod 5 is locked on the outside of the impeller through a lock nut 6 to ensure that the impeller and the high-speed shaft are axially tightly connected.
[0020] Specifically, the center of the contact surface 7 of the impeller 1 has a keyway 14, and a ring of sealing grooves 9 is provided on the contact surface 7 outside th...
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