CN110561327A - Three-degree-of-freedom aero-engine installation posture adjustment simulation system - Google Patents
Three-degree-of-freedom aero-engine installation posture adjustment simulation system Download PDFInfo
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- CN110561327A CN110561327A CN201910795272.8A CN201910795272A CN110561327A CN 110561327 A CN110561327 A CN 110561327A CN 201910795272 A CN201910795272 A CN 201910795272A CN 110561327 A CN110561327 A CN 110561327A
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- connecting rod
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- lifting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/08—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for attachment of work holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
- B25H1/16—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top in height
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H5/00—Tool, instrument or work supports or storage means used in association with vehicles; Workers' supports, e.g. mechanics' creepers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
A three-degree-of-freedom aeroengine installation posture adjustment simulation system. The device comprises a motion module, an attitude adjusting module and a force bearing module; the motion module comprises a motion wheel and a chassis; the posture adjusting module comprises a lifting-pitching device and a translation device; the lifting-pitching device comprises an upper connecting rod, a lower connecting rod, a transverse connecting rod and a hydraulic actuating cylinder; the translation device comprises a servo motor, a longitudinal lead screw, a transverse lead screw and a mobile platform; the bearing module comprises a bearing frame and an engine clamp. The invention has the following effects: the lifting, pitching and translating in the engine installation process are integrated and further optimized, so that the attitude of the aeroengine can be adjusted in the aeroengine installation process, the structure is simple, the efficiency is higher, the manpower is saved, and the human errors are reduced; through the cooperation of the hydraulic actuator cylinder and the connecting rod, the lifting and pitching actions of the aircraft engine in the installation process can be realized; through the cooperation of the servo motor and the lead screw, the translation motion can be realized, and the accurate control is ensured.
Description
Technical Field
The invention belongs to the technical field of aero-engine installation, and particularly relates to a three-degree-of-freedom aero-engine installation posture adjustment simulation system.
Background
at present, the whole engine installation mode is still mainly a manual installation mode in the civil aviation field of China, and the research work of digital installation of the aircraft engine is slowly developed. However, the installation of the engine plays a very important role in the aircraft assembly process, and the quality of the installation directly influences the performance of the whole aircraft. Modern aircraft need adopt the form of mounting platform to shorten the dismouting time of engine, improve maintenance efficiency, reduce the human error, improve aircraft engine's maintainability.
Along with the improvement of science and technology, the engine mounting platform has very important promotion effect to modern aviation maintenance industry, can promote the installation effectiveness of engine greatly, reduces cost of labor and unnecessary human error. Therefore, the design of the three-degree-of-freedom aircraft engine attitude adjusting platform simulation system is provided for the installation of the most commonly used turbofan engine of the civil aircraft, the attitude adjustment of the engine in the installation process is better met, the engineering work efficiency is improved, human errors are reduced, the manpower is saved, and the three-degree-of-freedom aircraft engine attitude adjusting platform simulation system has important practical significance.
disclosure of Invention
In order to solve the above problems, the present invention provides a three-degree-of-freedom aero-engine installation posture adjustment simulation system.
in order to achieve the aim, the three-degree-of-freedom aeroengine installation posture adjustment simulation system provided by the invention comprises a motion module, a posture adjustment module and a force bearing module; the motion module comprises four motion wheels and a chassis; the four corners of the chassis are respectively provided with a moving wheel for supporting the posture adjusting module and the bearing module;
The posture adjusting module comprises a lifting-pitching device and a translation device; the lifting-pitching device comprises four upper connecting rods, four lower connecting rods, a plurality of transverse connecting rods and two hydraulic actuating cylinders; the lower end of each lower connecting rod is hinged at one corner of the surface of the chassis; the lower end of each upper connecting rod is hinged with the upper end of one lower connecting rod; two ends of each transverse connecting rod are respectively connected between two upper connecting rods or lower connecting rods positioned at the same end, and the transverse connecting rods are used for bearing the weight of the whole system and the thrust of the hydraulic actuating cylinder; the two hydraulic actuating cylinders are respectively arranged on a group of obliquely opposite upper connecting rods and lower connecting rods, the upper end of each hydraulic actuating cylinder is hinged on one upper connecting rod, and the lower end of each hydraulic actuating cylinder is hinged on the corresponding lower connecting rod; the included angle between the upper connecting rod and the lower connecting rod can be controlled by controlling the extension of the piston rod on the hydraulic actuating cylinder, so that the lifting motion is realized; the translation device comprises three servo motors, a longitudinal screw rod, two transverse screw rods and a mobile platform; the mobile station is in a square plate structure, and four corners of the bottom surface are respectively hinged with the upper ends of the four upper connecting rods; the longitudinal screw rod is arranged in the opening of the mobile station, the front end and the rear end of the longitudinal screw rod respectively penetrate through the middle parts of the front side and the rear side of the mobile station, and the front end or the rear end of the longitudinal screw rod is connected with an output shaft of a servo motor; two transverse screw rods are respectively arranged at the front and rear parts of the opening of the mobile station, two ends of the two transverse screw rods respectively penetrate through the front and rear parts of the left and right sides of the mobile station, and one end of the two transverse screw rods is connected with an output shaft of a servo motor; the longitudinal screw rod is used for realizing the back-and-forth movement of the bearing module, and the transverse screw rod is used for realizing the left-and-right movement of the bearing module;
The bearing module comprises a bearing frame and an engine clamp; the bearing frame is of a plate-shaped structure, and the bottom surface of the bearing frame is arranged on the longitudinal screw rod and the two transverse screw rods through the plurality of screw rod nuts, so that the bearing frame can move front and back and left and right; the engine clamp is arranged on the surface of the bearing frame and used for bearing and fixing the aircraft engine.
The moving wheel adopts a Mecanum wheel.
The lifting-pitching device also comprises two stabilizer bars, the upper end of each stabilizer bar is hinged at the connecting part of an upper connecting rod and a lower connecting rod which are provided with hydraulic actuating cylinders, and the lower end of each stabilizer bar is hinged at the edge of the front end or the rear end of the chassis which is positioned at the same side.
The three-degree-of-freedom aero-engine installation posture adjustment simulation system provided by the invention has the advantages and positive effects that:
1. The invention combines the lifting, pitching and translation of the engine in the installation process into a whole and further optimizes the engine, so that the attitude of the aircraft engine can be adjusted in the installation process of the aircraft engine, the structure is simple, the efficiency is higher, the manpower is saved, and the human errors are reduced;
2. the hydraulic actuator cylinder is matched with the connecting rod, so that the lifting and pitching actions of the aircraft engine in the installation process can be realized;
3. according to the invention, through the matching of the servo motor and the lead screw, the translation motion can be realized, and the accurate control is ensured.
Drawings
FIG. 1 is a perspective view of a three-degree-of-freedom aero-engine installation attitude adjustment simulation system provided by the present invention;
FIG. 2 is a structural side view of a translation device in the three-degree-of-freedom aero-engine installation attitude adjustment simulation system provided by the invention.
Detailed Description
the invention is described below with reference to the figures and the specific embodiments.
As shown in fig. 1 and 2, the three-degree-of-freedom aero-engine installation posture adjustment simulation system provided by the invention comprises a motion module, a posture adjustment module and a force bearing module; wherein, the motion module comprises four motion wheels 1 and a chassis 2; the four corners of the chassis 2 are respectively provided with a moving wheel 1 for supporting the posture adjusting module and the bearing module;
The posture adjusting module comprises a lifting-pitching device 3 and a translation device 4; the lifting-pitching device 3 comprises four upper connecting rods 11, four lower connecting rods 12, a plurality of transverse connecting rods 13 and two hydraulic actuating cylinders 7; the lower end of each lower connecting rod 12 is hinged at one corner of the surface of the chassis 2; the lower end of each upper connecting rod 11 is hinged with the upper end of one lower connecting rod 12; two ends of each transverse connecting rod 13 are respectively connected between two upper connecting rods 11 or lower connecting rods 12 positioned at the same end, and the transverse connecting rods are used for bearing the weight of the whole system and the thrust of the hydraulic actuating cylinder 7; the two hydraulic actuating cylinders 7 are respectively arranged on a group of obliquely opposite upper connecting rods 11 and lower connecting rods 12, the upper end of each hydraulic actuating cylinder 7 is hinged on one upper connecting rod 11, and the lower end of each hydraulic actuating cylinder 7 is hinged on the corresponding lower connecting rod 12; the included angle between the upper connecting rod 11 and the lower connecting rod 12 can be controlled by controlling the extension of the piston rod on the hydraulic actuating cylinder 7, so that the lifting motion is realized; the translation device 4 comprises three servo motors, a longitudinal screw 9, two transverse screws 10 and a mobile station 14; the mobile station 14 is in a square plate-shaped structure, and four corners of the bottom surface are respectively hinged with the upper ends of the four upper connecting rods 11; the longitudinal screw 9 is arranged in the opening of the mobile station 14, the front end and the rear end of the longitudinal screw respectively penetrate through the middle parts of the front side and the rear side of the mobile station 14, and the front end or the rear end of the longitudinal screw is connected with an output shaft of a servo motor; two transverse lead screws 10 are respectively arranged at the front and rear parts of an opening of the mobile station 14, two ends of the two transverse lead screws respectively penetrate through the front and rear parts of the left and right sides of the mobile station 14, and one end of the two transverse lead screws is connected with an output shaft of a servo motor; the longitudinal screw 9 is used for realizing the back-and-forth movement of the bearing module, and the transverse screw 10 is used for realizing the left-and-right movement of the bearing module;
The bearing module comprises a bearing frame 5 and an engine clamp 6; the bearing frame 5 is of a plate-shaped structure, and the bottom surface of the bearing frame is arranged on a longitudinal screw 9 and two transverse screws 10 through a plurality of screw nuts, so that the bearing frame can move front and back, left and right; the engine clamp 6 is arranged on the surface of the bearing frame 5 and used for bearing and fixing the aircraft engine.
the moving wheel 1 adopts a Mecanum wheel, and can realize multidirectional movement.
The lifting-pitching device 3 further comprises two stabilizer bars 8, the upper end of each stabilizer bar 8 is hinged at the connecting part of an upper connecting rod 11 and a lower connecting rod 12 which are provided with the hydraulic actuating cylinder 7, and the lower end is hinged at the front or rear end edge of the chassis 2 which is positioned at the same side. When the lifting heights of the upper link 11 and the lower link 12 on both sides are different, and the load of an aircraft engine or the like mounted on the engine jig 6 has a pitch attitude angle, thereby generating a lateral component of gravity, it is necessary to balance with the stabilizer bar 8.
The use method of the three-degree-of-freedom aero-engine installation attitude adjustment simulation system provided by the invention is explained as follows: firstly, an aircraft engine is placed on an engine clamp 6 and fixed, then a moving wheel 1 is rotated, so that the system and the aircraft engine move to a region under an aircraft wing engine hanger, and then an included angle between an upper connecting rod 11 and a lower connecting rod 12 is controlled by controlling the extension amount of a piston rod of a hydraulic actuator cylinder 7 on a lifting-pitching device 3, so that lifting movement is realized. If the aircraft engine needs to be in a tilting state, the pitching motion can be realized by making the piston rods on the hydraulic actuating cylinders 7 on the two sides of the lifting-pitching device 3 generate different extending amounts. After the lifting and pitching posture adjustment is completed, the longitudinal screw 9 and/or the transverse screw 10 are driven by corresponding servo motors in the translation device 4, so that the mobile station 14 moves along the longitudinal screw 9 and the transverse screw 10, the front and back and left and right movement of the aero-engine are realized, and the precise control of the translation movement of the aero-engine is realized. When the lifting point of the aero-engine is close to the engine hanger of the airplane wing, the lifting-pitching device 3 and the translation device 4 are used again to carry out accurate fine adjustment on the system until the aero-engine reaches the designated position.
The present invention has been described in detail with reference to the above examples, but the description is only for the preferred examples of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (3)
1. the three-degree-of-freedom aero-engine installation posture adjustment simulation system is characterized in that: the three-degree-of-freedom aeroengine installation posture adjustment simulation system comprises a motion module, a posture adjustment module and a force bearing module; wherein the motion module comprises four motion wheels (1) and a chassis (2); the four corners of the chassis (2) are respectively provided with a moving wheel (1) for supporting the posture adjusting module and the bearing module;
The posture adjusting module comprises a lifting-pitching device (3) and a translation device (4); the lifting-pitching device (3) comprises four upper connecting rods (11), four lower connecting rods (12), a plurality of transverse connecting rods (13) and two hydraulic actuating cylinders (7); the lower end of each lower connecting rod (12) is hinged at one corner of the surface of the chassis (2); the lower end of each upper connecting rod (11) is hinged at the upper end of one lower connecting rod (12); two ends of each transverse connecting rod (13) are respectively connected between two upper connecting rods (11) or lower connecting rods (12) positioned at the same end, and the transverse connecting rods are used for bearing the weight of the whole system and the thrust of the hydraulic actuating cylinder (7); the two hydraulic actuating cylinders (7) are respectively arranged on a group of obliquely opposite upper connecting rods (11) and lower connecting rods (12), the upper end of each hydraulic actuating cylinder (7) is hinged on one upper connecting rod (11), and the lower end of each hydraulic actuating cylinder is hinged on the corresponding lower connecting rod (12); the included angle between the upper connecting rod (11) and the lower connecting rod (12) can be controlled by controlling the extension of the piston rod on the hydraulic actuating cylinder (7), so that the lifting motion is realized; the translation device (4) comprises three servo motors, a longitudinal lead screw (9), two transverse lead screws (10) and a moving platform (14); the mobile station (14) is of a square plate-shaped structure, and four corners of the bottom surface are respectively hinged with the upper ends of the four upper connecting rods (11); the longitudinal screw (9) is arranged in the opening of the mobile station (14), the front end and the rear end of the longitudinal screw are respectively arranged in the middle of the front side and the rear side of the mobile station (14) in a penetrating way, and the front end or the rear end of the longitudinal screw is connected with an output shaft of a servo motor; two transverse screw rods (10) are respectively arranged at the front and rear parts of an opening of the mobile platform (14), two ends of the two transverse screw rods respectively penetrate through the front and rear parts of the left and right sides of the mobile platform (14), and one end of the two transverse screw rods is connected with an output shaft of a servo motor; the longitudinal screw (9) is used for realizing the back-and-forth movement of the bearing module, and the transverse screw (10) is used for realizing the left-and-right movement of the bearing module;
The bearing module comprises a bearing frame (5) and an engine clamp (6); the bearing frame (5) is of a plate-shaped structure, and the bottom surface of the bearing frame is arranged on a longitudinal screw (9) and two transverse screws (10) through a plurality of screw nuts, so that the bearing frame can move front and back as well as left and right; the engine clamp (6) is arranged on the surface of the bearing frame (5) and is used for supporting and fixing the aircraft engine.
2. The three-degree-of-freedom aero-engine installation posture adjustment simulation system according to claim 1, wherein: the moving wheel (1) adopts a Mecanum wheel.
3. The three-degree-of-freedom aero-engine installation posture adjustment simulation system according to claim 1, wherein: the lifting-pitching device (3) also comprises two stabilizer bars (8), the upper end of each stabilizer bar (8) is hinged at the connecting part of an upper connecting rod (11) and a lower connecting rod (12) which are provided with hydraulic actuating cylinders (7), and the lower end is hinged at the front or rear end edge of the chassis (2) which is positioned at the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910795272.8A CN110561327A (en) | 2019-08-27 | 2019-08-27 | Three-degree-of-freedom aero-engine installation posture adjustment simulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910795272.8A CN110561327A (en) | 2019-08-27 | 2019-08-27 | Three-degree-of-freedom aero-engine installation posture adjustment simulation system |
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| CN110561327A true CN110561327A (en) | 2019-12-13 |
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| CN201910795272.8A Pending CN110561327A (en) | 2019-08-27 | 2019-08-27 | Three-degree-of-freedom aero-engine installation posture adjustment simulation system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111846273A (en) * | 2020-07-30 | 2020-10-30 | 中国民航大学 | Aeroengine installation vehicle capable of adjusting postures with multiple degrees of freedom |
| CN112659070A (en) * | 2021-01-28 | 2021-04-16 | 浙江悦途悦有信息科技有限公司 | Clamping device is used in precious processing of charging to thing networking application |
| CN113021227A (en) * | 2021-03-23 | 2021-06-25 | 郑州航空工业管理学院 | Multi-body-position-machine electrical installation tool device |
| CN114888744A (en) * | 2022-04-28 | 2022-08-12 | 中国电子科技集团公司第十四研究所 | Three-degree-of-freedom airborne equipment dismounting platform |
| CN114940459A (en) * | 2022-06-16 | 2022-08-26 | 国营芜湖机械厂 | Multifunctional aircraft hanger mounting vehicle |
| CN114431004B (en) * | 2021-12-23 | 2023-11-14 | 华南农业大学 | Banana picking device and method based on 3-PRS parallel mechanism |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111846273A (en) * | 2020-07-30 | 2020-10-30 | 中国民航大学 | Aeroengine installation vehicle capable of adjusting postures with multiple degrees of freedom |
| CN112659070A (en) * | 2021-01-28 | 2021-04-16 | 浙江悦途悦有信息科技有限公司 | Clamping device is used in precious processing of charging to thing networking application |
| CN112659070B (en) * | 2021-01-28 | 2022-12-13 | 浙江悦途悦有信息科技有限公司 | Clamping device is used in precious processing of charging in thing networking application |
| CN113021227A (en) * | 2021-03-23 | 2021-06-25 | 郑州航空工业管理学院 | Multi-body-position-machine electrical installation tool device |
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| CN114888744A (en) * | 2022-04-28 | 2022-08-12 | 中国电子科技集团公司第十四研究所 | Three-degree-of-freedom airborne equipment dismounting platform |
| CN114940459A (en) * | 2022-06-16 | 2022-08-26 | 国营芜湖机械厂 | Multifunctional aircraft hanger mounting vehicle |
| CN114940459B (en) * | 2022-06-16 | 2023-09-19 | 国营芜湖机械厂 | Multifunctional aircraft hanger mounting vehicle |
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Application publication date: 20191213 |