CN216788562U - Adjustable multi-duct convergent-divergent spray pipe structure - Google Patents

Adjustable multi-duct convergent-divergent spray pipe structure Download PDF

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Publication number
CN216788562U
CN216788562U CN202220221774.7U CN202220221774U CN216788562U CN 216788562 U CN216788562 U CN 216788562U CN 202220221774 U CN202220221774 U CN 202220221774U CN 216788562 U CN216788562 U CN 216788562U
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CN
China
Prior art keywords
cylinder
ring
rotating plate
gear
hydraulic
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Expired - Fee Related
Application number
CN202220221774.7U
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Chinese (zh)
Inventor
孙啸林
马姗
程稳
程林
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Civil Aviation Flight University of China
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Civil Aviation Flight University of China
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Priority to CN202220221774.7U priority Critical patent/CN216788562U/en
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Publication of CN216788562U publication Critical patent/CN216788562U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an adjustable multi-duct convergent-divergent nozzle structure which comprises a fixed cylinder and a connecting cylinder, wherein a connecting piece is arranged in the connecting cylinder, a connecting ring is fixedly arranged on one side of the connecting piece, the surface of the connecting ring is connected with a first rotating plate and a second rotating plate, a hydraulic cylinder is arranged on the surface of the connecting ring, a hydraulic rod is connected in the hydraulic cylinder in a sliding manner, the surface of the second rotating plate is connected with a connecting rod, and two ends of the connecting rod are provided with sliding blocks. This many ducts of adjustable receive and expand spray tube structure through setting up pneumatic cylinder, hydraulic stem, first rotation board and second rotor plate, drives the hydraulic stem through the drive pneumatic cylinder and moves, and the hydraulic stem is articulated mutually with first rotation board, conveniently drives first rotation board motion, and first rotation board passes through connecting rod and slider and drives the second rotor plate and rotate, conveniently receives to expand the regulation to the spout of spray tube, has promoted the practicality of device.

Description

Adjustable multi-duct convergent-divergent spray pipe structure
Technical Field
The utility model relates to the technical field of aircraft spray pipes, in particular to an adjustable multi-duct convergent-divergent spray pipe structure.
Background
The tail nozzle is one of key components of an engine of a jet aircraft, and mainly has the functions of pushing the aircraft by utilizing a reaction force generated during air injection, and simultaneously injecting products after fuel oil combustion, such as carbon dioxide, sulfur dioxide, carbon monoxide, nitrogen oxide and incompletely combusted micromolecular hydrocarbon substances, so as to play a role in discharging waste gas.
The ultrasonic sonic airliner jet pipe in the research is mostly a three-duct fixed geometric jet pipe, the jet can not be adjusted in a retracting and expanding mode, the angle of the jet pipe is inconvenient to adjust, and the jet pipe is not suitable for large-range flight from subsonic velocity to supersonic velocity, so that an adjustable multi-duct retracting and expanding jet pipe structure is provided, and the problems provided in the scheme are solved conveniently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an adjustable multi-duct convergent-divergent nozzle structure, which aims to solve the problems that most of ultrasonic sonic airliner nozzles in the prior art are three-duct fixed geometric nozzles, the nozzles cannot be convergent-divergent adjusted, the angle of the nozzles is inconvenient to adjust, and the nozzles are not suitable for subsonic to supersonic wide-range flight.
In order to achieve the purpose, the utility model provides the following technical scheme: an adjustable multi-duct convergent-divergent nozzle structure comprises a fixed cylinder and a connecting cylinder, wherein a connecting piece is arranged inside the connecting cylinder, and one side of the connecting piece is fixedly provided with a connecting ring, the surface of the connecting ring is connected with a first rotating plate and a second rotating plate, the surface of the connecting ring is provided with a hydraulic cylinder, and the interior of the hydraulic cylinder is connected with a hydraulic rod in a sliding way, the surface of the second rotating plate is connected with a connecting rod, and both ends of the connecting rod are provided with slide blocks, the inner part of the inner wall of the connecting cylinder is fixedly provided with a first motor, and the output end of the first motor is fixedly connected with a first gear, one side of the connecting cylinder is fixedly provided with a fixed ring, and the surface of the fixed ring is fixedly provided with a convex ring, the inner part of the inner wall of the fixed cylinder is fixedly provided with a second motor, and the output end of the second motor is connected with a second gear, and the surfaces of the fixed cylinder and the connecting cylinder are provided with mounting ports.
Preferably, the first rotating plate and the second rotating plate both rotate on the surface of the connecting ring, and the connecting ring is connected to the hydraulic cylinder in a hinged manner, and the hydraulic rod is connected to the first rotating plate in a hinged manner.
Preferably, the surface of the first rotating plate is provided with a sliding groove, and the sliding blocks on the surfaces of the two ends of the connecting rod are connected with the sliding groove in a sliding manner.
Preferably, a rack is fixedly mounted on the surface of the connecting piece, and the rack is connected with the first gear in a meshing manner.
Preferably, the fixed surface of the connecting piece is provided with a connecting plate, the inner wall of the connecting cylinder is fixedly provided with a limiting plate, and the connecting plate is connected with the limiting plate in a sliding manner.
Preferably, the surface of the fixing ring is fixedly provided with a gear ring, and the second gear is connected with the gear ring in a meshing manner.
Preferably, the convex ring is connected with the fixed cylinder in a rotating manner, and a rotating structure is formed between the fixed cylinder and the connecting cylinder.
Compared with the prior art, the utility model has the beneficial effects that: this many ducts of adjustable receive and expand spray tube structure, the convenient spout to the spray tube is received and is expanded the regulation to the convenient angle to the spray tube is adjusted, has promoted the practicality of device.
1. Through setting up pneumatic cylinder, hydraulic stem, first rotor plate and second rotor plate, drive the hydraulic stem through the drive pneumatic cylinder and move, the hydraulic stem is articulated mutually with first rotor plate, conveniently drives first rotor plate motion, and first rotor plate drives the second rotor plate through connecting rod and slider and rotates, conveniently receives to expand the regulation to the spout of spray tube, has promoted the practicality of device.
2. Through setting up first gear, second gear, rack and ring gear, connected mode between first gear and the rack is connected for the meshing, conveniently drives the connecting piece and rotates in the inside of connecting cylinder, adjusts the inclination of spray tube spout, and connected mode between second gear and the ring gear is connected for the meshing, conveniently drives the connecting cylinder through the second gear and rotates in the inside of solid fixed cylinder, conveniently adjusts the orientation of spray tube spout, has promoted the practicality of device.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the connecting cylinder and the first rotating plate of the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2 according to the present invention;
FIG. 4 is a schematic structural view of the first and second rotating plates according to the present invention;
FIG. 5 is a schematic structural view of a first gear and rack of the present invention;
FIG. 6 is a schematic view of the structure of the connecting member and the rack of the present invention;
FIG. 7 is a schematic view of the connector and connector barrel of the present invention;
FIG. 8 is a schematic view of a second gear and ring gear of the present invention.
In the figure: 1. a fixed cylinder; 2. a connecting cylinder; 3. a connecting member; 4. a connecting ring; 5. a first rotating plate; 6. a second rotating plate; 7. a hydraulic cylinder; 8. a hydraulic lever; 9. a connecting rod; 10. a slider; 11. a chute; 12. a first motor; 13. a first gear; 14. a rack; 15. a connecting plate; 16. a second motor; 17. a second gear; 18. a fixing ring; 19. a ring gear; 20. a convex ring; 21. an installation port; 22. and a limiting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an adjustable multi-duct convergent-divergent nozzle structure comprises a fixed cylinder 1 and a connecting cylinder 2, in order to conveniently perform convergent-divergent regulation on a nozzle of a nozzle, a connecting piece 3 can be arranged inside the connecting cylinder 2, a connecting ring 4 is fixedly installed on one side of the connecting piece 3, a first rotating plate 5 and a second rotating plate 6 are connected to the surface of the connecting ring 4, the first rotating plate 5 and the second rotating plate 6 both rotate on the surface of the connecting ring 4, the connecting ring 4 is in hinged connection with a hydraulic cylinder 7, a hydraulic rod 8 is in hinged connection with the first rotating plate 5, the first rotating plate 5 on one side is driven to rotate by driving the hydraulic rod 8 to move conveniently, contraction and expansion of the nozzle are regulated, the hydraulic cylinder 7 is arranged on the surface of the connecting ring 4, the hydraulic rod 8 is slidably connected inside the hydraulic cylinder 7, and a connecting rod 9 is connected to the surface of the second rotating plate 6, and the both ends of connecting rod 9 all are provided with slider 10, and the surface of first rotor plate 5 is provided with spout 11, and the connected mode between slider 10 and the spout 11 on the surface of connecting rod 9 both ends is sliding connection, conveniently slides in spout 11 through slider 10, conveniently carries on spacingly to first rotor plate 5 and second rotor plate 6, promotes its practicality.
Referring to fig. 5-8, in order to facilitate adjustment of the direction of the nozzle, a first motor 12 may be fixedly installed inside the inner wall of the connecting cylinder 2, an output end of the first motor 12 is fixedly connected with a first gear 13, a surface of the connecting member 3 is fixedly installed with a rack 14, the rack 14 is connected with the first gear 13 in a meshing manner, the rack 14 is conveniently driven to move by rotation of the first gear 13, the connecting member 3 rotates in the connecting cylinder 2, the surface of the connecting member 3 is fixedly installed with a connecting plate 15, the inner wall of the connecting cylinder 2 is fixedly installed with a limiting plate 22, the connecting plate 15 is connected with the limiting plate 22 in a sliding manner, the connecting plate 15 slides with the limiting plate 22, the connecting member 3 is conveniently limited, the rack 14 is prevented from being separated from the first gear 13, a fixing ring 18 is fixedly installed on one side of the connecting cylinder 2, and the fixed surface of the fixed ring 18 is fixedly provided with a convex ring 20, the inner part of the inner wall of the fixed cylinder 1 is fixedly provided with a second motor 16, the output end of the second motor 16 is connected with a second gear 17, and the surfaces of the fixed cylinder 1 and the connecting cylinder 2 are both provided with mounting ports 21. The fixed surface of solid fixed ring 18 installs ring gear 19, and the connected mode between second gear 17 and the ring gear 19 is connected for the meshing, conveniently rotates through second gear 17 and drives ring gear 19 and rotate, makes connecting cylinder 2 rotate with solid fixed cylinder 1 through ring gear 19 and is connected, the connected mode between bulge loop 20 and the solid fixed cylinder 1 is for rotating the connection, and constitutes revolution mechanic between solid fixed cylinder 1 and the connecting cylinder 2, conveniently carries on spacingly through bulge loop 20 to connecting cylinder 2.
The working principle is as follows: firstly, when the airplane spray pipe nozzle is used, when the contraction and expansion degree of the airplane spray pipe nozzle needs to be adjusted, all the hydraulic cylinders 7 are started simultaneously, the hydraulic cylinders 7 drive the hydraulic rods 8 to rotate, the hydraulic cylinders 7 are hinged to the connecting ring 4, the hydraulic rods 8 are hinged to the first rotating plate 5, the first rotating plate 5 is driven to rotate through the hydraulic rods 8 conveniently, the sliding blocks 10 at two ends of the connecting rod 9 on the surface of the second rotating plate 6 slide in the sliding grooves 11 on the surface of the first rotating plate 5, the inclined angle of the first rotating plate 5 is limited conveniently, the first rotating plate 5 and the second rotating plate 6 rotate simultaneously, and the contraction and expansion of the spray pipe nozzle are adjusted conveniently.
Start first motor 12 and drive first gear 13 and rotate, first gear 13 is connected with the rack 14 meshing on connecting piece 3 surface, the inclination that conveniently drives connecting piece 3 adjusts, through connecting plate 15 and limiting plate 22 sliding connection, it is convenient to carry on spacingly to connecting piece 3, start second motor 16 and drive surperficial second gear 17 and rotate, second gear 17 drives ring gear 19 and rotates, ring gear 19 rotates and drives solid fixed ring 18 and the connecting cylinder 2 of one side and rotates, the angle of spout slope is conveniently adjusted, just be the working process of whole device, and the content of not making detailed description in this specification all belongs to the known prior art of the professional skilled in the art personnel of this field.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a spray tube structure is received and expanded to many ducts of adjustable, includes a fixed section of thick bamboo (1) and connecting cylinder (2), its characterized in that: the connecting device is characterized in that a connecting piece (3) is arranged inside the connecting cylinder (2), a connecting ring (4) is fixedly arranged on one side of the connecting piece (3), the surface of the connecting ring (4) is connected with a first rotating plate (5) and a second rotating plate (6), a hydraulic cylinder (7) is arranged on the surface of the connecting ring (4), a hydraulic rod (8) is connected inside the hydraulic cylinder (7) in a sliding manner, a connecting rod (9) is connected on the surface of the second rotating plate (6), sliders (10) are arranged at two ends of the connecting rod (9), a first motor (12) is fixedly arranged inside the inner wall of the connecting cylinder (2), a first gear (13) is fixedly connected at the output end of the first motor (12), a fixing ring (18) is fixedly arranged on one side of the connecting cylinder (2), a convex ring (20) is fixedly arranged on the surface of the fixing ring (18), a second motor (16) is fixedly arranged inside the inner wall of the fixing cylinder (1), and the output end of the second motor (16) is connected with a second gear (17), and the surfaces of the fixed cylinder (1) and the connecting cylinder (2) are provided with mounting ports (21).
2. The adjustable multi-duct convergent-divergent nozzle structure according to claim 1, wherein: the first rotating plate (5) and the second rotating plate (6) rotate on the surface of the connecting ring (4), the connecting ring (4) and the hydraulic cylinder (7) are connected in a hinged mode, and the hydraulic rod (8) and the first rotating plate (5) are connected in a hinged mode.
3. The adjustable multi-duct convergent-divergent nozzle structure according to claim 1, wherein: the surface of the first rotating plate (5) is provided with a sliding groove (11), and the sliding blocks (10) on the surfaces of the two ends of the connecting rod (9) are connected with the sliding groove (11) in a sliding mode.
4. The adjustable multi-duct convergent-divergent nozzle structure according to claim 1, wherein: the surface of the connecting piece (3) is fixedly provided with a rack (14), and the rack (14) is connected with the first gear (13) in a meshing manner.
5. The adjustable multi-duct convergent-divergent nozzle structure according to claim 1, wherein: the surface fixed mounting of connecting piece (3) has connecting plate (15), and the inner wall fixed mounting of connecting cylinder (2) has limiting plate (22) to connected mode between connecting plate (15) and limiting plate (22) is sliding connection.
6. The adjustable multi-duct convergent-divergent nozzle structure according to claim 1, wherein: the surface of the fixing ring (18) is fixedly provided with a gear ring (19), and the second gear (17) is connected with the gear ring (19) in a meshing manner.
7. The adjustable multi-duct convergent-divergent nozzle structure according to claim 1, wherein: the convex ring (20) is connected with the fixed cylinder (1) in a rotating mode, and a rotating structure is formed between the fixed cylinder (1) and the connecting cylinder (2).
CN202220221774.7U 2022-01-26 2022-01-26 Adjustable multi-duct convergent-divergent spray pipe structure Expired - Fee Related CN216788562U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220221774.7U CN216788562U (en) 2022-01-26 2022-01-26 Adjustable multi-duct convergent-divergent spray pipe structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220221774.7U CN216788562U (en) 2022-01-26 2022-01-26 Adjustable multi-duct convergent-divergent spray pipe structure

Publications (1)

Publication Number Publication Date
CN216788562U true CN216788562U (en) 2022-06-21

Family

ID=82014548

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220221774.7U Expired - Fee Related CN216788562U (en) 2022-01-26 2022-01-26 Adjustable multi-duct convergent-divergent spray pipe structure

Country Status (1)

Country Link
CN (1) CN216788562U (en)

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Granted publication date: 20220621