CN112373718A - Dual-purpose iron bird test bench of function is verified in area flight - Google Patents
Dual-purpose iron bird test bench of function is verified in area flight Download PDFInfo
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- CN112373718A CN112373718A CN202010912248.0A CN202010912248A CN112373718A CN 112373718 A CN112373718 A CN 112373718A CN 202010912248 A CN202010912248 A CN 202010912248A CN 112373718 A CN112373718 A CN 112373718A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
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Abstract
The invention discloses a dual-purpose iron bird test bed with a flight verification function, which comprises an iron bird test bed frame, wherein the iron bird test bed frame is divided into an iron bird test bed frame in a ground verification state and an iron bird test bed frame in a flight verification state. The invention has the following beneficial effects: the test function of the conventional iron bird test bed on the ground can be completed, quick assembly and disassembly are supported, the flight verification function is realized, the reasonability of the type selection of the take-off and landing power of the vertical take-off and landing fixed wing unmanned aerial vehicle is demonstrated, the stability of a take-off and landing power system under the influence of the vibration and the thrust of a cruise engine is demonstrated, and the dual-purpose verification function of the iron bird test bed on the ground and in the air is realized; the model selection and performance of the take-off and landing power can be directly demonstrated in the design stage, the function of verification of the iron bird platform on the ground and in the air is realized, and the risk of flight test of the real aircraft, the design period and the design cost are greatly reduced.
Description
Technical Field
The invention relates to a dual-purpose iron bird test bed with a flight verification function, belongs to the technical field of unmanned aerial vehicles, and particularly relates to an industrial hybrid power vertical take-off and landing composite wing unmanned aerial vehicle.
Background
The airplane iron bird test bed is a large-scale experimental facility for airplane system ground simulation experiments and is used for completing the ground simulation experiments of the whole system. The test bench consists of a test bench, a tested system arranged on the bench and matched test equipment, and can replace a real aircraft to finish a flight control system, an electrical system and other related system simulation experiments. The iron bird test becomes a key test project which needs to be examined before the first flight of the airplane and is an essential tool for researching and developing new airplanes.
The airplane and iron bird test can greatly reduce the research and development cost, shorten the research and development period and avoid the test flight risk. If the iron bird verification is not carried out, the faults and potential safety hazards in a latent system in many research and development processes can be discovered only after the whole aircraft is assembled, even in a test flight stage, and therefore huge economic losses caused by repeated design, scrapped parts, delayed progress and the like can be brought.
The existing airplane iron bird test bed is also called an airplane system ground simulation test bed, the function of the system can be verified only on the ground, along with the continuous improvement of airplane performance and design difficulty, the existing ground iron bird test bed cannot meet the verification function of all systems, particularly the verification of an airplane power system cannot be carried out, a flight power system must be tested and verified on a real airplane, and once deviation occurs in design, huge risk is brought to a test flight task. The general ground iron bird test bench can not demonstrate the rationality of unmanned aerial vehicle take-off and landing power selection and the stability of a take-off and landing power system under the influence of the vibration and the thrust of a cruise engine.
Foreign companies specially manufacture airplane and iron bird test beds with flight capability for verifying flight power, but only can verify flight capability and do not have verification functions of other systems, ground iron bird test beds are designed for verifying other systems, and research and development cost is increased.
Disclosure of Invention
The invention aims to solve the technical problem of providing a dual-purpose iron bird test bed with a flight verification function, which can complete the test function of a conventional iron bird test bed on the ground, support quick assembly and disassembly, realize the flight verification function, demonstrate the reasonability of the type selection of the take-off and landing power of a vertical take-off and landing fixed wing unmanned aerial vehicle and demonstrate the stability of a take-off and landing power system under the influence of the vibration and the thrust of a cruise engine.
The invention is realized by the following scheme: the utility model provides a take dual-purpose iron bird test bench of flight verification function, its includes iron bird test bench, iron bird test bench divide into the two kinds of states of the iron bird test bench of ground verification state and the iron bird test bench of flight verification state.
The ground-based bird test bench for verifying the state comprises a take-off and landing power system, a cruise power system, an electrical system, a fuel system, a flight control system, a data chain system and a servo system, and the ground-based bird test bench for verifying the state comprises a take-off and landing power system, a cruise power system, an electrical system, a fuel system, a flight control system and a data chain system.
The take-off and landing power system comprises an electronic speed regulator, a take-off and landing power motor and a take-off and landing screw propeller, wherein the electronic speed regulator is provided with a plurality of electronic speed regulators which are fixed on the side surface of an iron bird test bed, the take-off and landing power motor is provided with a plurality of electronic speed regulators which are respectively fixed on the upper side and the lower side of the iron bird test bed, each electronic speed regulator is used for controlling the rotating speed of the take-off and landing power motor, and the take-off and landing screw propeller is correspondingly connected to the take.
The cruise power system comprises a cruise engine and a cruise propeller, and the cruise engine is fixed at the rear end of the iron bird test bed.
The electric system comprises a power battery, the power battery is fixed on the iron bird test stand, and the power battery is a lithium battery.
The fuel oil system comprises a fuel oil tank and an oil way, and the fuel oil tank is fixed on the iron bird test bed.
The flight control system comprises a flight control computer, the flight control computer is fixed on the iron bird test bed, the data transmission equipment uploads an instruction sent by an operator on a ground control platform to the flight control computer, and the flight control computer transmits a control signal to the electronic speed regulator and the cruise engine through the control circuit.
The data chain system comprises data transmission equipment, the data transmission equipment is fixed on the iron bird test bed, and the data transmission equipment transmits instructions uploaded to the flight control computer or information downloaded from the ground control platform to the unmanned aerial vehicle for data transmission.
The servo system comprises a servo mechanism and a pneumatic load simulator, wherein the servo mechanism is an actuating mechanism for receiving a flight control computer instruction to control the control surface of the airplane, and the servo mechanism mainly comprises a steering engine, a rocker arm, a connecting rod and a ball head.
The power motor that takes off and land is equipped with 12, and the side of going up of iron bird test bench is equipped with 6, and the downside is equipped with 6, goes up the side the screw that takes off and land that corresponds is connected to power motor's the upper end that takes off and land, the downside the screw that takes off and land that corresponds is connected to power motor's the lower extreme that takes off and land.
The number of the cruise engines is 1, and the cruise propellers are connected to the rear side of the cruise engines.
The invention has the beneficial effects that:
1. the dual-purpose iron bird test bed with the flight verification function can complete the test function of a conventional iron bird test bed on the ground, supports quick assembly and disassembly, realizes the flight verification function, demonstrates the reasonability of the type selection of the take-off and landing power of the vertical take-off and landing fixed wing unmanned aerial vehicle and the stability of a take-off and landing power system under the influence of the vibration and the thrust of a cruise engine, and realizes the dual-purpose verification function of the iron bird test bed on the ground and in the air;
2. according to the dual-purpose iron bird test bed with the flight verification function, the lifting power and the lifting verification function with the cruise engine are added in the design concept of the conventional ground iron bird test bed, whether the selection of the lifting power and the performance meet the requirements or not can be directly demonstrated in the design stage, the verification function of the iron bird test bed on the ground and in the air is realized, and the test flight risk of a real aircraft, the design period and the design cost are greatly reduced.
Drawings
Fig. 1 is a schematic structural diagram of a dual-purpose iron bird test stand with a flight verification function in a ground verification state.
Fig. 2 is a schematic structural diagram of the dual-purpose iron bird test stand with the flight verification function in the flight verification state.
In the figure: the test bench is characterized in that the test bench is an iron bird test bench with a ground verification state, 2 is a flight control computer, 3 is data transmission equipment, 4 is an electronic speed regulator, 5 is a take-off and landing power motor, 6 is a take-off and landing propeller, 7 is a power battery, 8 is a cruise engine, 9 is a cruise propeller, 10 is a fuel tank, 11 is a servo mechanism, and 12 is a pneumatic load simulation device.
Detailed Description
The invention is further described below with reference to fig. 1-2, without limiting the scope of the invention.
In which like parts are designated by like reference numerals. It is noted that the terms "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component, and the drawings are in greatly simplified form and employ non-precise ratios, merely for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention.
In the following description, for purposes of clarity, not all features of an actual implementation are described, well-known functions or constructions are not described in detail since they would obscure the invention with unnecessary detail, it being understood that in the development of any actual embodiment, numerous implementation details must be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, changing from one implementation to another, and it being recognized that such development effort might be complex and time consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.
The utility model provides a take dual-purpose iron bird test bench of flight verification function, its includes iron bird test bench, and iron bird test bench divide into the iron bird test bench 1 of ground verification state and the iron bird test bench 13 two kinds of states of flight verification state.
The experimental bench 1 for the iron birds in the ground verification state comprises a take-off and landing power system, a cruise power system, an electrical system, a fuel system, a flight control system, a data chain system and a servo system, and the experimental bench 13 for the iron birds in the flight verification state comprises a take-off and landing power system, a cruise power system, an electrical system, a fuel system, a flight control system and a data chain system.
The iron bird test bed 1 in the ground verification state and the iron bird test bed 13 in the flight verification state are designed according to the shape, the weight and the relative position of a finished product of a newly developed unmanned aerial vehicle, a 3030 aluminum frame is adopted as a material, and the aluminum frame is connected through an angle code, a bolt and a nut.
The take-off and landing power system comprises an electronic speed regulator 4, a take-off and landing power motor 5 and a take-off and landing propeller 6, and is fixed on the iron bird rack through bolts, nuts and a mounting plate to provide take-off and landing power for the iron bird test rack 13 in a flight verification state; the electronic speed regulator 4 converts the direct current into three-phase power to control the rotating speed of the lifting power motor 5; the lifting power motor 5 drives the lifting propeller 6 to realize the lifting function; the lifting propeller 6 is arranged on the lifting power motor 5, and the power of the lifting power motor 5 is converted into a vertical upward propelling force under the driving of the lifting power motor 5.
The cruise power system comprises a cruise engine 8 and a cruise propeller 9, wherein the cruise engine 8 is a gasoline engine consistent with a real engine, and the cruise engine 8 converts chemical energy into mechanical energy to drive the cruise propeller 6 to rotate; the cruise propeller 6 is mounted on a cruise engine 8, and converts the power of the cruise engine 8 into forward propulsion.
The electric system comprises a power battery 7 and a cable, wherein the power battery 7 is a lithium battery and supplies power for the take-off and landing power.
The fuel system includes a fuel tank 10 and fuel lines to provide fuel to the cruise engine 8.
The flight control system comprises a flight control computer 2, wherein the flight control computer 2 is an operation platform of a flight control algorithm and reads a flight control program in advance, a data transmission device 3 uploads an instruction sent by an operator from a ground control console to the flight control computer 2, and the flight control computer 2 carries out resolving according to the received instruction and the program so as to carry out state adjustment in the flight of the airplane, such as adjustment of the angle of a control plane of the airplane and the like. The flight control computer 2 transmits control signals to the electronic governor 4 and the cruise engine 8 through the control circuit.
The data link system comprises a data transmission device 3, and the data transmission between the ground and the unmanned aerial vehicle is realized by the data transmission device 3.
The servo system comprises a servo mechanism 11 and a pneumatic load simulator 12, wherein the servo mechanism 11 is an actuating mechanism for receiving an instruction of a flight control computer 2 to control the control surface of the airplane, the actuating mechanism mainly comprises a steering engine, a rocker arm, a connecting rod and a ball head, the operating principle of the actuating mechanism is that the steering engine receives a PWM (pulse width modulation) signal transmitted by the flight control computer 2, different steering engines run corresponding strokes according to the PWM signal, the rocker arm, the connecting rod and the ball head are used for connecting the steering engine and the control surface, the angle of the control surface is controlled according to the stroke of the steering engine, the pneumatic load simulator is a mechanical device for equivalently simulating the pneumatic load borne by the control surface of the airplane in the air, and the pneumatic load simulator comprises the connecting rod and a counterweight block, and: i-mr 2I represents the moment of inertia, m represents the mass, r represents the vertical distance between the mass point and the rotating shaft, and the weight of the counterweight block corresponding to the length of the connecting rod is arranged to simulate the moment of inertia of the control surface,
the flight verification state iron bird test stand 13 removes unnecessary verification parts in flight, such as left and right outer wing sections, a servo system and the like, on the basis of the ground verification state iron bird test stand 1.
When the iron bird test bed is in a ground verification state, the iron bird test bed can verify a mechanical control system, a fly-by-wire control system, a cross-linking test, a flight control system, a data chain system, a servo system and the like of an airplane.
When the iron bird test bed is in a flight verification state, unnecessary verification parts in flight, such as left and right outer wing sections, a servo system and the like, are removed on the basis of the iron bird test bed 1 in a ground verification state, and the reasonability of the type selection of the take-off and landing power of the vertical take-off and landing fixed wing unmanned aerial vehicle can be verified, and the stability of the take-off and landing power system under the influence of the vibration and the thrust of a cruise engine can be demonstrated.
When the lectotype that should take off and land power is verified and whether satisfies this heavyweight unmanned aerial vehicle and take off and land the flight when needing, start 12 take off and land power motor 5, drive take off and land screw 6 and rotate, produce perpendicular ascending propulsive force, drive iron bird test bench 13 and take off and land, data such as accessible flight control computer 2 acquires motor throttle, screw rotational speed, electric current, voltage, download to ground terminal through data transmission equipment 3 and judge whether this lectotype of taking off and land power meets the requirements. When the stability test of the take-off and landing power system under the influence of the vibration and the thrust of the cruise engine 8 needs to be tested, the cruise engine 8 and the 12 take-off and landing power motors 5 in the FIG. 1 are started, and the influence on the stability of the take-off and landing power system under the action of the vibration and the thrust of the cruise engine 8 is observed.
Although the invention has been described and illustrated in some detail, it should be understood that various modifications may be made to the described embodiments or equivalents may be substituted, as will be apparent to those skilled in the art, without departing from the spirit of the invention.
Claims (11)
1. The utility model provides a take dual-purpose iron bird test bench of flight verification function which characterized in that: the test bed comprises an iron bird test bed, wherein the iron bird test bed is divided into two states, namely an iron bird test bed (1) in a ground verification state and an iron bird test bed (13) in a flight verification state.
2. The dual-purpose iron bird test stand with the flight verification function of claim 1, characterized in that: the ground-based bird test bench (1) for verifying the state comprises a take-off and landing power system, a cruise power system, an electrical system, a fuel system, a flight control system, a data chain system and a servo system, and the ground-based bird test bench (13) for verifying the state comprises a take-off and landing power system, a cruise power system, an electrical system, a fuel system, a flight control system and a data chain system.
3. The dual-purpose iron bird test stand with the flight verification function of claim 1, characterized in that: the take-off and landing power system comprises an electronic speed regulator (4), a take-off and landing power motor (5) and a take-off and landing screw propeller (6), wherein the electronic speed regulator (4) is provided with a plurality of power motors, the power motors are fixed on the side surface of an iron bird test bed, the take-off and landing power motor (5) is provided with a plurality of power motors, the power motors are respectively fixed on the upper side and the lower side of the iron bird test bed, each power motor (5) is connected with the corresponding take-off and landing screw propeller (6), and the electronic speed regulator (4) controls the rotating speed of the take-off and landing power motor.
4. The dual-purpose iron bird test stand with the flight verification function of claim 1, characterized in that: the cruise power system comprises a cruise engine (8) and a cruise propeller (9), and the cruise engine (8) is fixed at the rear end of the iron bird test bed.
5. The dual-purpose iron bird test stand with the flight verification function of claim 1, characterized in that: the electric system comprises a power battery (7), the power battery (7) is fixed on the iron bird test stand, and the power battery (7) is a lithium battery.
6. The dual-purpose iron bird test stand with the flight verification function of claim 1, characterized in that: the fuel system comprises a fuel tank (10) and an oil way, and the fuel tank (10) is fixed on the iron bird test bed.
7. The dual-purpose iron bird test stand with the flight verification function of claim 1, characterized in that: the flight control system comprises a flight control computer (2), the flight control computer (2) is fixed on a test bed for the iron birds, a data transmission device (3) uploads an instruction sent by an operator on a ground control platform to the flight control computer (2), and the flight control computer (2) transmits a control signal to an electronic speed regulator (4) and a cruise engine (8) through a control circuit.
8. The dual-purpose iron bird test stand with the flight verification function of claim 1, characterized in that: the data chain system comprises data transmission equipment (3), the data transmission equipment (3) is fixed on the iron bird test bed, and the data transmission equipment (3) transmits an instruction uploaded to the flight control computer (2) or information downloaded from the ground control console to the unmanned aerial vehicle for data transmission.
9. The dual-purpose iron bird test stand with the flight verification function of claim 1, characterized in that: the servo system comprises a servo mechanism (11) and a pneumatic load simulation device (12), wherein the servo mechanism (11) is an execution mechanism for receiving instructions of a flight control computer (2) to control the control surface of the airplane, and the servo mechanism (11) mainly comprises a steering engine, a rocker arm, a connecting rod and a ball head.
10. The dual-purpose iron bird test bed with the flight verification function of claim 3, wherein: the power motor (5) that takes off and land is equipped with 12, and the side of going up of iron bird test bench is equipped with 6, and the downside is equipped with 6, goes up the side take off and land screw (6) that correspond are connected to the upper end of power motor (5) that takes off and land, the downside take off and land screw (6) that correspond are connected to the lower extreme of power motor (5) that takes off and land.
11. The dual-purpose iron bird test bed with the flight verification function of claim 4, wherein: the number of the cruise engines (8) is 1, and the cruise propellers (9) are connected to the rear side of the cruise engines (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010912248.0A CN112373718A (en) | 2020-09-02 | 2020-09-02 | Dual-purpose iron bird test bench of function is verified in area flight |
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| CN202010912248.0A CN112373718A (en) | 2020-09-02 | 2020-09-02 | Dual-purpose iron bird test bench of function is verified in area flight |
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| CN112373718A true CN112373718A (en) | 2021-02-19 |
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| CN202010912248.0A Pending CN112373718A (en) | 2020-09-02 | 2020-09-02 | Dual-purpose iron bird test bench of function is verified in area flight |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371226A (en) * | 2021-07-14 | 2021-09-10 | 中国飞机强度研究所 | Static strength test structure for connecting part of Y-shaped wing outer wing and rear support box section thereof |
| CN114373361A (en) * | 2022-01-11 | 2022-04-19 | 安胜（天津）飞行模拟系统有限公司 | Method for simulating bird strike and volcanic ash scenes on flight simulator |
-
2020
- 2020-09-02 CN CN202010912248.0A patent/CN112373718A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371226A (en) * | 2021-07-14 | 2021-09-10 | 中国飞机强度研究所 | Static strength test structure for connecting part of Y-shaped wing outer wing and rear support box section thereof |
| CN113371226B (en) * | 2021-07-14 | 2024-01-30 | 中国飞机强度研究所 | Static strength test structure for connecting part of outer wing and rear supporting box section of Y-shaped wing |
| CN114373361A (en) * | 2022-01-11 | 2022-04-19 | 安胜（天津）飞行模拟系统有限公司 | Method for simulating bird strike and volcanic ash scenes on flight simulator |
| CN114373361B (en) * | 2022-01-11 | 2023-11-10 | 安胜（天津）飞行模拟系统有限公司 | Method for simulating bird strike and volcanic ash scene on flight simulator |
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