Device and method for tightening front nut of high-pressure rotor sealing plate of aero-engine
A technology for aero-engines and high-pressure rotors, applied in metal processing equipment, metal processing, manufacturing tools, etc., can solve problems such as inability to guarantee nut tightening consistency, small tightening space, long tightening transmission distance, etc., to reduce skill requirements and labor Strength, ensure tightening torque and angle accuracy, reduce the effect of tightening transmission distance
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[0041] The specific embodiments of the present invention will be described in detail below in conjunction with the technical solutions and accompanying drawings. Such as Figure 1-7 As shown, a front-end nut tightening device for a high-pressure rotor sealing disc of an aeroengine includes an indexing system 1, a feed movement system 2 and a connecting rod type tightening execution system 3.
[0042] The indexing system 1 is fixedly installed on the rear shaft port of the high-pressure turbine rotor 6 through the flange 5 of the outer sleeve 4 .
[0043] The feed motion system 2 is located inside the indexing system 1, the middle sleeve 7 of the feed motion system 2 is connected with the outer sleeve 4 of the indexing system 1 through a bearing 8, and the indexing system 1 realizes the feed motion system 2 CNC turns.
[0044] The link type tightening execution system 3 is located at the front end of the feed movement system 2, and the inner sleeve 9 of the link type tighteni...
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