Axisymmetric diverging nozzle
An axisymmetric, nozzle technology, applied in the directions of jet propulsion devices, machines/engines, etc., can solve the problems of not being able to block the front hot end components, weak stealth ability, affecting the adjustment range of the nozzle throat, etc., to achieve good stealth ability, Simple structure and high reliability
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Embodiment 1
[0035] The invention provides an axisymmetric retractable nozzle, which is characterized in that it is mainly composed of a cylinder body 1, a drive adjustment mechanism, a sealing member, a central blocking member and an external rectifying member, specifically:
[0036] The front end of the barrel 1 is connected to the engine as a supporting member for the entire nozzle;
[0037] The drive adjustment mechanism is mainly composed of an actuator 2, a synchronous adjustment ring 3, a pull rod 4, a convergence adjustment piece 5, an air pressure actuator 6 and an expansion adjustment piece 8; wherein, the actuator 2 is arranged along the circumference of the nozzle, and the front end passes through The mechanical connection is connected to the outer wall of the barrel 1, and the rear end is connected to the synchronous adjustment ring 3; the rear end of the synchronous adjustment ring 3 is connected to the pull rod 4 through the rotating pair; The outer middle section of the adj...
Embodiment 2
[0057] The invention provides an axisymmetric retractable nozzle, which is characterized in that it is mainly composed of a cylinder body 1, a drive adjustment mechanism, a sealing member, a central blocking member and an external rectifying member, specifically:
[0058] The front end of the barrel 1 is connected to the engine as a supporting member for the entire nozzle;
[0059] The drive adjustment mechanism is mainly composed of an actuator 2, a synchronous adjustment ring 3, a pull rod 4, a convergence adjustment piece 5, an air pressure actuator 6 and an expansion adjustment piece 8; wherein, the actuator 2 is arranged along the circumference of the nozzle, and the front end passes through The mechanical connection is connected to the outer wall of the barrel 1, and the rear end is connected to the synchronous adjustment ring 3; the rear end of the synchronous adjustment ring 3 is connected to the pull rod 4 through the rotating pair; The outer middle section of the adjus...
Embodiment 3
[0079] The invention provides an axisymmetric retractable nozzle, which is characterized in that it is mainly composed of a cylinder body 1, a drive adjustment mechanism, a sealing member, a central blocking member and an external rectifying member, specifically:
[0080] The front end of the barrel 1 is connected to the engine as a supporting member for the entire nozzle;
[0081] The drive adjustment mechanism is mainly composed of an actuator 2, a synchronous adjustment ring 3, a pull rod 4, a convergence adjustment piece 5, an air pressure actuator 6 and an expansion adjustment piece 8; wherein, the actuator 2 is arranged along the circumference of the nozzle, and the front end passes through The mechanical connection is connected to the outer wall of the barrel 1, and the rear end is connected to the synchronous adjustment ring 3; the rear end of the synchronous adjustment ring 3 is connected to the pull rod 4 through the rotating pair; The outer middle section of the adj...
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