CN116692026A - Multi-rotor unmanned aerial vehicle hanging flight testing device and testing method - Google Patents
Multi-rotor unmanned aerial vehicle hanging flight testing device and testing method Download PDFInfo
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- CN116692026A CN116692026A CN202310998937.1A CN202310998937A CN116692026A CN 116692026 A CN116692026 A CN 116692026A CN 202310998937 A CN202310998937 A CN 202310998937A CN 116692026 A CN116692026 A CN 116692026A
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- 238000012360 testing method Methods 0.000 title claims abstract description 68
- 239000000725 suspension Substances 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000010998 test method Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
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- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The application discloses a multi-rotor unmanned aerial vehicle hanging and flying testing device and a testing method. The device comprises: the suspension mechanism is used for suspending the unmanned aerial vehicle, and a fixed pulley through which a suspension rope passes is arranged on the suspension mechanism; the rotating shaft box is arranged on the ground and used for accommodating and rotating out the lifting rope, one end of the lifting rope is arranged in the rotating shaft box, and the other end of the lifting rope penetrates through the fixed pulley and is connected to the multi-rotor unmanned aerial vehicle; the ground fixing rope is characterized in that a first end of the ground fixing rope is fixed on the multi-rotor unmanned aerial vehicle, and a second end of the ground fixing rope is connected to the ground. Under the condition that other test conditions are met, the test device disclosed by the technical scheme overcomes the defect that the multi-rotor unmanned aerial vehicle cannot perform large-range maneuvering flight limitation when performing hanging flight test, and the test flight space of the test device can be set as required, so that the influence on the flight of the unmanned aerial vehicle is small.
Description
Technical Field
The application relates to the field of unmanned aerial vehicle testing, in particular to a multi-rotor unmanned aerial vehicle hanging and flying testing device and a testing method.
Background
The unmanned aerial vehicle flies the test and is used for the long endurance reliability test of unmanned aerial vehicle, and current unmanned aerial vehicle flies testing arrangement and adopts the safety hook to pull unmanned aerial vehicle to prevent its sudden whereabouts even fall. However, the conventional scheme has the following problems: firstly, the outgoing line length of the anti-falling device is generally about 3-10 meters, so that the flight range of the unmanned aerial vehicle is limited; secondly, the line taking-up of the anti-falling device is slower, and when the unmanned aerial vehicle flies upwards fast, the anti-falling device sometimes cannot take up the line; thirdly, a locking mechanism is arranged in the anti-falling device, and when the unmanned aerial vehicle flies downwards in an accelerating way, the locking mechanism can suddenly act to pull the unmanned aerial vehicle, so that the maneuvering performance test of the unmanned aerial vehicle is affected; and fourthly, due to structural limitation, the longer the outgoing line is, the larger the pulling force is, so that an unnecessary lifting force is provided for the unmanned aerial vehicle, the testing effect is influenced, and particularly the effect of fixed-altitude flight testing is influenced.
Disclosure of Invention
The embodiment of the application provides a multi-rotor unmanned aerial vehicle hanging test device and a test method, which are used for solving a series of problems caused by a falling protector in the current unmanned aerial vehicle test process.
An aspect of the embodiment of the present application provides a multi-rotor unmanned aerial vehicle hanging and flying test device, including:
the suspension mechanism is used for suspending the unmanned aerial vehicle, and a fixed pulley through which a suspension rope passes is arranged on the suspension mechanism;
the rotating shaft box is arranged on the ground and used for accommodating and rotating out the lifting rope, one end of the lifting rope is arranged in the rotating shaft box, and the other end of the lifting rope penetrates through the fixed pulley and is connected to the multi-rotor unmanned aerial vehicle;
the ground fixing rope is characterized in that a first end of the ground fixing rope is fixed on the multi-rotor unmanned aerial vehicle, and a second end of the ground fixing rope is connected to the ground.
In some embodiments, the hinge box is configured to pull the lifting rope of a preset length from the hinge box with a constant pulling force according to a test requirement of the multi-rotor unmanned aerial vehicle.
In some embodiments, the fixed pulleys comprise a first fixed pulley and a second fixed pulley, the first fixed pulley and the second fixed pulley are arranged at intervals, the first fixed pulley is close to the rotating shaft box, and the second fixed pulley is close to the multi-rotor unmanned aerial vehicle;
the lower part of the first fixed pulley is provided with a spring buffer device, and a limit baffle is further arranged on the lifting rope between the spring buffer device and the rotating shaft box.
In some embodiments, the limit baffle is connected with a pull ring through a pull rope, and a hook is further arranged near the pull ring.
In some embodiments, the hooks are disposed directly or indirectly on the ground, and the height from the ground is set as desired.
In some embodiments, the suspension mechanism is a crane or gantry suspension.
In some embodiments, the bottom of the lifting rope is provided with a plurality of branches, and each branch is respectively connected to one end of each arm of the multi-rotor unmanned aerial vehicle, which is close to the main body of the multi-rotor unmanned aerial vehicle; and/or the number of the groups of groups,
the lifting rope is a steel wire rope, and the ground fixing rope is a fiber rope; and/or the number of the groups of groups,
under the state of lifting, the length of the ground fixed rope is greater than the linear distance between the first end of the ground fixed rope connected with the multi-rotor unmanned aerial vehicle and the second end of the ground fixed rope connected with the ground.
In some embodiments, the multi-rotor drone is a tethered drone, and the limit stops, the spring cushioning device, the lifting rope, and the ground securing rope are configured to form a test flight space for the multi-rotor drone.
Another aspect of the embodiment of the present application provides a testing method of the multi-rotor unmanned aerial vehicle hanging and flying testing device according to the foregoing embodiment, where the testing method includes:
step 1, one end of a lifting rope is connected to the multi-rotor unmanned aerial vehicle, the other end of the lifting rope penetrates through the fixed pulley and the spring buffer device to be connected to the rotating shaft box, the first end of the ground fixed rope is connected to the multi-rotor unmanned aerial vehicle, the second end of the ground fixed rope is fixed to the ground, the limiting baffle is installed on the middle part of the lifting rope, located at the spring buffer device and the rotating shaft box, and the pull ring of the limiting baffle is hung on the hook;
step 2, lifting the multi-rotor unmanned aerial vehicle by using the suspension mechanism, starting a rotating shaft box, starting the multi-rotor unmanned aerial vehicle to fly upwards for a plurality of meters when the rotating shaft box tightens the lifting rope, and disconnecting the pull ring from the hook when the pull rope of the pull ring is in a loose state;
and 3, under the control of a ground remote controller or a multi-rotor unmanned aerial vehicle flight control system, the multi-rotor unmanned aerial vehicle carries out a flight test.
In some embodiments, in step 1, the ground-securing rope is connected to the multi-rotor unmanned aerial vehicle landing gear, load pylon, or bottom hook, the lifting rope and the ground-securing rope not affecting rotation of unmanned aerial vehicle blades when connected to the multi-rotor unmanned aerial vehicle; and/or the number of the groups of groups,
in the step 2, a constant preset tension is given to the lifting rope in the working process of the rotating shaft box; and/or the number of the groups of groups,
in the step 3, when the multi-rotor unmanned aerial vehicle flies upwards to exceed a preset first preset height, the multi-rotor unmanned aerial vehicle is pulled by the ground fixing rope; when many rotor unmanned aerial vehicle down flight exceeds the second and predetermines the height, limit baffle contacts spring buffer, buffering and restriction many rotor unmanned aerial vehicle's whereabouts.
Compared with the prior art, the application has the following advantages:
according to the testing device disclosed by the embodiment of the application, under the condition that other testing conditions are met, the problem that the multi-rotor unmanned aerial vehicle cannot perform large-range maneuvering flight limitation when performing hanging flight testing is solved, and the testing flight space of the testing device can be set according to the needs and has little influence on the unmanned aerial vehicle flight testing.
Drawings
Fig. 1 is a schematic structural diagram of a multi-rotor unmanned aerial vehicle hanging and flying test device according to an embodiment of the present application;
fig. 2 is a flow chart of a testing method of a multi-rotor unmanned aerial vehicle hanging test device according to an embodiment of the present application;
the drawings are marked with the following description:
1. a suspension mechanism; 2. a spindle box; 3. a pull ring; 4. a limit baffle; 5. a hook; 6. a spring buffer device; 7. a first fixed pulley; 8. a second fixed pulley; 9. a hanging rope; 10. multiple rotor unmanned aerial vehicle; 11. a horn; 12. a ground fixing rope; 13. ground surface.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than those herein described, and those skilled in the art will readily appreciate that the present application may be similarly embodied without departing from the spirit or essential characteristics thereof, and therefore the present application is not limited to the specific embodiments disclosed below.
In the description of the present application, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
In the description of the present application, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present application can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
In the description of the present application, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some implementations," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application.
Fig. 1 shows a multi-rotor unmanned aerial vehicle hanging test device according to an embodiment of the present application, including:
the suspension mechanism 1 is used for suspending the unmanned aerial vehicle, and fixed pulleys (7, 8) through which the suspension ropes 9 pass are arranged on the suspension mechanism 1;
the rotating shaft box 2 is directly or indirectly arranged on the ground 13 and is used for accommodating and rotating out the lifting rope 9, one end of the lifting rope 9 is arranged in the rotating shaft box 2, and the other end of the lifting rope passes through the fixed pulley and is connected to the multi-rotor unmanned aerial vehicle 10;
a ground fixing rope 12, wherein a first end of the ground fixing rope 12 is fixed on the multi-rotor unmanned aerial vehicle 10, and a second end of the ground fixing rope is connected to the ground 13.
The hanging flight testing device disclosed by the embodiment overcomes the defect that a multi-rotor unmanned aerial vehicle cannot perform large-range maneuvering flight limitation when carrying out hanging flight testing, and the test flight space of the testing device can be set arbitrarily according to the needs because the outgoing line of the rotating shaft box is not limited.
In some embodiments, the rotor box 2 is configured to pull the lifting rope of a preset length from the rotor box 2 with a constant pulling force according to the test needs of the multi-rotor unmanned aerial vehicle 10.
In some embodiments, the fixed pulleys comprise a first fixed pulley 7 and a second fixed pulley 8, the first fixed pulley 7 and the second fixed pulley 8 are arranged at intervals, the first fixed pulley 7 is close to the rotating shaft box 2, and the second fixed pulley 8 is close to the multi-rotor unmanned aerial vehicle.
A spring buffer device 6 is arranged below the first fixed pulley 7, and a limit baffle 4 is further arranged on a lifting rope 9 between the spring buffer device 6 and the rotating shaft box 2.
Specifically, as shown in fig. 1, the spring damper 6 includes a connection plate connected to the suspension mechanism 1, and a spring extending downward from the connection plate.
In some embodiments, the limit guard 4 is connected with a pull ring 3, the pull ring 3 is preferably connected to the limit guard 4 through a rope such as a steel wire rope, a hook 5 is further arranged near the pull ring 3, and the pull ring 3 can be hung on the hook 5, so that movement of the lifting rope 9 and the multi-rotor unmanned aerial vehicle 10 is limited.
In some embodiments, the hooks 5 are directly or indirectly disposed on the ground 13, and the height from the ground 13 is set as desired.
In some embodiments, the suspension mechanism 1 is a crane or gantry, preferably a gantry with a lifting device.
In some embodiments, a plurality of branches are arranged at the bottom of the lifting rope 9, and each branch is respectively connected to one end of each arm 11 of the multi-rotor unmanned aerial vehicle 10, which is close to the main body of the multi-rotor unmanned aerial vehicle 10.
The lifting rope 9 is a steel wire rope, and the ground fixing rope 12 is a fiber rope.
In the lifted state, the length of the ground fixing rope 12 is greater than the linear distance between the first end of the ground fixing rope 12 connected with the multi-rotor unmanned aerial vehicle 10 and the second end of the ground fixing rope 12 connected with the ground 13, that is, the ground fixing rope 12 leaves a margin, and the multi-rotor unmanned aerial vehicle can fly upwards without accompanying and pulling immediately. Optionally, the ground fixing ropes 12 are at least two, so as to provide stable and reliable traction force.
In some embodiments, the multi-rotor unmanned aerial vehicle 10 is a tethered unmanned aerial vehicle, and the limit stop 4, the spring buffer 6, the lifting rope 9, and the ground securing rope 12 are configured to form a test flight space for the multi-rotor unmanned aerial vehicle.
An embodiment of another aspect of the present application discloses a testing method of the multi-rotor unmanned aerial vehicle hanging and flying testing device according to the above embodiment, as shown in fig. 2, where the testing method includes:
step S1, connecting one end of a lifting rope 9 on the ground to the multi-rotor unmanned aerial vehicle 10, connecting the other end of the lifting rope through the fixed pulley and the spring buffer device 6 in the rotating shaft box 2, connecting the first end of a ground fixing rope 12 on the multi-rotor unmanned aerial vehicle 10, fixing the second end of the ground fixing rope on the ground 13, installing a limit baffle 4 on the middle part of the lifting rope between the spring buffer device 6 and the rotating shaft box 2, and hanging the pull ring 3 of the limit baffle 4 on the hook 5;
step S2, lifting the multi-rotor unmanned aerial vehicle 10 by using the suspension mechanism 1, starting the rotating shaft box 2, starting the multi-rotor unmanned aerial vehicle to fly upwards for a plurality of meters when the rotating shaft box tightens the lifting rope, and disconnecting the pull ring 3 from the hook 5 when the pull rope of the pull ring is in a loose state;
step S3, under the control of the ground remote controller or the multi-rotor unmanned aerial vehicle flight control system, the multi-rotor unmanned aerial vehicle 10 performs a flying test.
In some embodiments, in step S1, the ground fixing rope 12 is connected to the landing gear, the load hanger or the bottom hook of the multi-rotor unmanned aerial vehicle, and the rotation of the unmanned aerial vehicle blade is not affected when the lifting rope 9 and the ground fixing rope 12 are connected to the multi-rotor unmanned aerial vehicle 10.
In step S2, a constant preset tension is given to the lifting rope 9 in a controllable manner during the operation of the rotating shaft box 2.
In step S3, when the multi-rotor unmanned aerial vehicle 10 flies upwards to exceed a preset first preset height, the multi-rotor unmanned aerial vehicle is pulled by the ground fixing rope 12; when the multi-rotor unmanned aerial vehicle 10 flies downwards to exceed a second preset height, the limiting baffle contacts with the spring buffer device 6 to buffer and limit the falling of the multi-rotor unmanned aerial vehicle, wherein the first preset height is larger than the second preset height.
Specifically, taking a crane as a suspension mechanism as an example, in connection with fig. 1, the suspension testing device of the multi-rotor tethered unmanned aerial vehicle consists of the crane, a fixed pulley, a suspension rope 9, a ground fixed rope 12, a rotating shaft box 2, a spring buffer device 6, a limit baffle 4, a pull ring 3 and a hook 5. The two fixed pulleys are fixed on the crane boom. One end of the lifting rope 9 is connected to the root of the arm 11 of the tethered unmanned aerial vehicle, the binding position is not affected by the rotation of the propeller, and the other end of the lifting rope passes through the fixed pulley and the spring buffer device 6 and is wound on the roller of the rotating shaft box 2. The ground fixing rope 12 has one end fixed to the ground and the other end connected to the landing gear, load hanger or mooring cable hook of the mooring unmanned aerial vehicle, and the connection position can not affect the rotation of the propeller. The middle part of the lifting rope 9, which is positioned between the spring buffer device 6 and the rotating shaft box 2, is provided with a limit baffle 4. The pull ring 3 is fixed on the limit baffle 4 through a section of steel wire rope. The hook 9 is fixed on the ground.
Before the test, the pull ring 3 is hung on the hook 5 to start the crane. When the crane boom is extended to a specified length, the unmanned aerial vehicle is lifted to a specified height by the lifting rope. The axle box 2 is then activated. When the rotating shaft box 2 tightens the lifting rope, the unmanned aerial vehicle is restarted to fly upwards for 1-2 meters, the pull rope of the pull ring is in a loose state, the pull ring 3 is separated from the hook 5, and the tethered unmanned aerial vehicle can start a normal flight test.
During operation of the spindle box 2, a controllable constant tension is always given to the lifting rope 9. The pulling force is only required to tension the lifting rope. Because the motor and the rotary inertia of the rotating shaft box 2 are smaller, the lifting rope 9 can quickly stretch and retract along with the movement of the tethered unmanned aerial vehicle, and the unmanned aerial vehicle control is not affected. According to the test requirement, the outlet length of the rotating shaft box 2 can reach 30-50 meters.
In the test, when the tethered unmanned aerial vehicle flies upwards to exceed the limit, the tethered unmanned aerial vehicle can be pulled by a ground fixing rope to prevent the tethered unmanned aerial vehicle from being bumped on a crane boom. When the tethered unmanned aerial vehicle flies downwards beyond the limit, the limiting baffle plate fixed on the lifting rope can contact the spring buffer device to buffer and limit the falling of the unmanned aerial vehicle.
In some embodiments, in step S3, the multi-rotor unmanned aerial vehicle performs at least one of the following actions under control of the ground remote control or the like: hover, rise, fall, fly, left-handed, right-handed, forward, or reverse. Of course, the above actions are merely examples, and should not be limiting of the testing performed by the unmanned aerial vehicle, and the unmanned aerial vehicle may be designed to perform other actions as desired.
It should be noted that while the above describes exemplifying embodiments of the application, there are several different embodiments of the application, which are intended to be illustrative, and that the scope of the application is defined by the appended claims.
Claims (10)
1. Many rotor unmanned aerial vehicle hangs flies testing arrangement, a serial communication port includes:
the suspension mechanism is used for suspending the unmanned aerial vehicle, and a fixed pulley through which a suspension rope passes is arranged on the suspension mechanism;
the rotating shaft box is arranged on the ground and used for accommodating and rotating out the lifting rope, one end of the lifting rope is arranged in the rotating shaft box, and the other end of the lifting rope penetrates through the fixed pulley and is connected to the multi-rotor unmanned aerial vehicle;
the ground fixing rope is characterized in that a first end of the ground fixing rope is fixed on the multi-rotor unmanned aerial vehicle, and a second end of the ground fixing rope is connected to the ground.
2. The multi-rotor drone hanging flight test apparatus of claim 1, wherein the spindle box is configured to pull the hanging rope of a preset length from the spindle box with a constant pull force according to a test requirement of the multi-rotor drone.
3. The multi-rotor unmanned aerial vehicle hanging and flying test device according to claim 1, wherein the fixed pulleys comprise a first fixed pulley and a second fixed pulley, the first fixed pulley and the second fixed pulley are arranged at intervals, the first fixed pulley is close to the rotating shaft box, and the second fixed pulley is close to the multi-rotor unmanned aerial vehicle;
the lower part of the first fixed pulley is provided with a spring buffer device, and a limit baffle is further arranged on the lifting rope between the spring buffer device and the rotating shaft box.
4. The multi-rotor unmanned aerial vehicle hanging and flying testing device according to claim 3, wherein the limit baffle is connected with a pull ring through a pull rope, and a hook is further arranged near the pull ring.
5. The multi-rotor unmanned aerial vehicle hanging and flying test device according to claim 4, wherein the hanging hook is directly or indirectly arranged on the ground, and the height from the ground is set according to the requirement.
6. The multi-rotor unmanned aerial vehicle suspended flight test device of claim 1, wherein the suspension mechanism is a crane or gantry suspension.
7. The multi-rotor unmanned aerial vehicle hanging flight test device according to claim 1, wherein a plurality of branches are arranged at the bottom of the hanging rope, and each branch is respectively connected to one end, close to the main body of the multi-rotor unmanned aerial vehicle, of each arm of the multi-rotor unmanned aerial vehicle; and/or the number of the groups of groups,
the lifting rope is a steel wire rope, and the ground fixing rope is a fiber rope; and/or the number of the groups of groups,
under the state of lifting, the length of the ground fixed rope is greater than the linear distance between the first end of the ground fixed rope connected with the multi-rotor unmanned aerial vehicle and the second end of the ground fixed rope connected with the ground.
8. The multi-rotor drone hanging flight test device of claim 3, wherein the multi-rotor drone is a tethered drone, the limit stops, the spring cushioning device, the hanging rope, and the ground securing rope are configured to form a test flight space for the multi-rotor drone.
9. The method for testing a multi-rotor unmanned aerial vehicle hanging test device according to claim 4, wherein the testing method comprises:
step 1, one end of a lifting rope is connected to the multi-rotor unmanned aerial vehicle, the other end of the lifting rope penetrates through the fixed pulley and the spring buffer device to be connected to the rotating shaft box, the first end of the ground fixed rope is connected to the multi-rotor unmanned aerial vehicle, the second end of the ground fixed rope is fixed to the ground, the limiting baffle is installed on the middle part of the lifting rope, located at the spring buffer device and the rotating shaft box, and the pull ring of the limiting baffle is hung on the hook;
step 2, lifting the multi-rotor unmanned aerial vehicle by using the suspension mechanism, starting the rotating shaft box, starting the multi-rotor unmanned aerial vehicle to fly upwards for a plurality of meters when the rotating shaft box tightens the lifting rope, and disconnecting the pull ring from the hook when the pull rope of the pull ring is in a loose state;
and 3, under the control of a ground remote controller or a multi-rotor unmanned aerial vehicle flight control system, the multi-rotor unmanned aerial vehicle carries out a flight test.
10. The test method of claim 9, wherein in step 1, the ground-securing rope is attached to the multi-rotor unmanned aerial vehicle landing gear, load pylon, or bottom hook, the lift rope and the ground-securing rope not affecting rotation of unmanned aerial vehicle blades when attached to the multi-rotor unmanned aerial vehicle; and/or the number of the groups of groups,
in the step 2, a constant preset tension is given to the lifting rope in the working process of the rotating shaft box; and/or the number of the groups of groups,
in the step 3, when the multi-rotor unmanned aerial vehicle flies upwards to exceed a preset first preset height, the multi-rotor unmanned aerial vehicle is pulled by the ground fixing rope; when many rotor unmanned aerial vehicle down flight exceeds the second and predetermines the height, limit baffle contacts spring buffer, buffering and restriction many rotor unmanned aerial vehicle's whereabouts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310998937.1A CN116692026A (en) | 2023-08-09 | 2023-08-09 | Multi-rotor unmanned aerial vehicle hanging flight testing device and testing method |
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| CN202310998937.1A CN116692026A (en) | 2023-08-09 | 2023-08-09 | Multi-rotor unmanned aerial vehicle hanging flight testing device and testing method |
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| CN110589027A (en) * | 2019-10-12 | 2019-12-20 | 中国航空工业集团公司西安飞机设计研究所 | Aircraft ground test suspension device |
| CN214190165U (en) * | 2020-12-11 | 2021-09-14 | 中国特种飞行器研究所 | Many rotor unmanned aerial vehicle testing arrangement |
| JP2023006971A (en) * | 2021-07-01 | 2023-01-18 | エヌカント株式会社 | Model aircraft subscription service system |
| CN116002067A (en) * | 2022-12-27 | 2023-04-25 | 中国航天空气动力技术研究院 | Unmanned aerial vehicle ground release test system and method |
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