CN116222945A - Hail transmitting device and transmitting method thereof - Google Patents
Hail transmitting device and transmitting method thereof Download PDFInfo
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- CN116222945A CN116222945A CN202310071279.1A CN202310071279A CN116222945A CN 116222945 A CN116222945 A CN 116222945A CN 202310071279 A CN202310071279 A CN 202310071279A CN 116222945 A CN116222945 A CN 116222945A
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- Prior art keywords
- hail
- emission
- transmitting
- emitting
- hole
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Abstract
The invention discloses a hail transmitting device and a transmitting method thereof, and relates to the technical field of impact testing, wherein the device comprises a testing frame, a transmitting part is fixedly arranged in the testing frame, a through hole is formed in the transmitting part, a transmitting cylinder is movably arranged in the through hole, one end of the transmitting cylinder is provided with a plurality of transmitting holes, and the transmitting holes are used for placing hail; the emission part can emit the emission barrel in an acceleration level so as to drive hail in the emission hole to be emitted in an acceleration mode. The hail emission method based on the hail emission device provided by the invention can emit a plurality of hails at the same time, thereby improving the accuracy of simulation experiments.
Description
Technical Field
The invention relates to the technical field of impact test, in particular to a hail transmitting device and a hail transmitting method.
Background
The aircraft inevitably encounters hail weather while flying or stopping on the ground, and in order to ensure the safety performance of the aircraft, various destructive test experiments, such as a mechanical load test, a component breakage test, a cutting test, a hail impact test, etc., are required to be simulated in advance for the anti-damage capability of the fuselage and the wings under severe natural conditions. At present, the performance of the airplane body and wings against hail impact is commonly tested through hail impact testing equipment.
However, the existing hail impact test equipment utilizes a gun barrel to emit an ice ball, adopts a single-point impact mode to test, cannot simulate the process of collision of a plurality of practical hails at the same time, and causes inaccurate experimental results.
Disclosure of Invention
The invention aims to provide a hail emitting device and an emitting method thereof, which are used for solving the problems in the prior art and emitting a plurality of hails at the same time, so that the accuracy of a simulation experiment is improved.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides a hail transmitting device, which comprises a test frame, wherein a transmitting part is fixedly arranged in the test frame, a through hole is formed in the transmitting part, a transmitting cylinder is movably arranged in the through hole, a metal layer is covered outside the transmitting cylinder, one end of the transmitting cylinder is provided with a plurality of transmitting holes, and the transmitting holes are used for placing hail; the emission part can emit the emission barrel in an acceleration level so as to drive hail in the emission hole to be emitted in an acceleration mode; when the launching tube is accelerated to shoot out, hail placed in the launching tube obtains the same acceleration, the distance after the acceleration and shooting is short due to the large weight of the launching tube, and the hail in the launching tube can continuously accelerate and fly forward under inertia until the hail collides with a simulation device of a machine body or a wing, so that a simulation hail collision experiment of the machine body or the wing is realized.
Optionally, a plurality of the uniform array of emission hole distributes in on the transmission section of thick bamboo for the hail that sends out evenly strikes on the analogue means of fuselage or wing, can be pointed carries out the collision experiment to a certain position, the quantitative analysis experimental effect of being convenient for.
Optionally, a plurality of the transmitting holes are randomly distributed on the transmitting barrel, so that the collision process of hail to the fuselage or the wing can be more truly simulated in the actual hail weather, and the experimental result is more accurate.
Optionally, the test frame is close to the one end symmetry of transmission hole is equipped with a plurality of gag levers, it is equipped with limit baffle to slide on the gag lever levers, set up the emission window on the limit baffle, the inscribed circle of emission window with the transmission section of thick bamboo coaxial arrangement, just the inscribed circle diameter size of emission window is less than the external diameter size of transmission section of thick bamboo, limit baffle can play certain spacing effect to the transmission section of thick bamboo, when stopping the departure of transmission section of thick bamboo, the setting of emission window can not influence the acceleration departure of hail.
Optionally, the cover is equipped with buffer spring on the gag lever post, buffer spring one end with limit baffle keeps away from the fixed butt of one end of test jig, the buffer spring other end with the terminal stop nut fixed connection of gag lever post, buffer spring can play certain buffering effect after the transmitting cylinder bumps limit baffle, avoids accelerating the transmitting cylinder that flies out and limit baffle rigid collision to cause the damage.
Optionally, the transmitting part is electromagnetic transmitting part, the winding has a plurality of coils on the electromagnetic transmitting part, the external power that has of coil adopts the electromagnetism big gun to keep away from, through the circular telegram to the coil, produces the magnetic field, and then accelerates the transmitting cylinder, makes its quick transmission.
Optionally, an auxiliary coil is arranged at the top of the test frame, and a power supply is externally connected with the auxiliary coil.
Optionally, test frame one side is equipped with the sensor, the sensor can test the speed when hail launches, and the sensor is located emission window position department to can audio-visual test hail break away from the emission speed when launching tube.
The invention also provides a hail emission method, which comprises the following steps: placing a preformed hail into the emitting hole; switching on a power supply of the coil, generating a magnetic field by the coil, and accelerating the emission of the emission cylinder under the action of the magnetic field; hail placed in the emission hole obtains the same acceleration, and the hail is accelerated forward to fly out of the emission hole under inertia and acceleration, so that the natural hail flight process is simulated until the hail collides on a simulation device of a fuselage or a wing, and a simulated hail collision experiment of the fuselage or the wing is realized.
Compared with the prior art, the invention has the following technical effects:
the device has a simple structure and is convenient to operate, and a plurality of hails can be emitted simultaneously, so that the collision process of the hails on the airframe or the wing is simulated when the actual hail weather is simulated, and the testing accuracy is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a side view of the hail shooting apparatus of the present invention;
FIG. 2 is a front view of the hail-emitting device of the present invention;
FIG. 3 is a front view of the hail shooting apparatus of the present invention with the stop plate removed;
reference numerals illustrate: 100-hail emission device, 1-test frame, 2-emission portion, 3-emission section of thick bamboo, 4-emission hole, 5-sheet metal, 6-auxiliary coil, 7-gag lever post, 8-limit baffle, 9-emission window, 10-buffer spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a hail emitting device and an emitting method thereof, which are used for solving the problems in the prior art and emitting a plurality of hails at the same time, so that the accuracy of a simulation experiment is improved.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1, 2 and 3, the invention provides a hail emitting device 100, which comprises a test frame 1, wherein an emitting part 2 is fixedly arranged in the test frame 1, a through hole is formed in the emitting part 2, an emitting cylinder 3 is movably arranged in the through hole, a plurality of emitting holes 4 are formed in one end of the emitting cylinder 3, the plurality of emitting holes 4 are uniformly distributed on the emitting cylinder 3 in an array manner, and hail is placed in the emitting holes 4; the emission part 2 can accelerate the emission cylinder 3 to emit horizontally, thereby driving hail in the emission hole 4 to emit accelerated. The transmitting part 2 is an electromagnetic transmitting part, a plurality of coils are wound on the electromagnetic transmitting part, and a power supply is externally connected with the coils. The top of the test frame 1 is provided with an L-shaped metal plate 5, an auxiliary coil 6 is fixedly arranged on the metal plate 5, and a power supply is externally connected with the auxiliary coil 6.
The invention also provides a hail emission method, which comprises the following steps: the power supply of the coil is connected, the coil generates a magnetic field, the magnetic field accelerates the launching tube 3, the launching tube 3 accelerates and shoots out, hail placed in the launching tube obtains the same acceleration, the flying distance is short after the acceleration and shooting out, the mass of hail in the launching tube 3 is small, the hail can continuously accelerate and fly forward under inertia, and can continuously fly after separating from the launching holes 4, the natural hail falling process is simulated until the hail collides with a simulation device of a fuselage or a wing, the simulation hail collision experiment of the fuselage or the wing is realized, the launching holes 4 arranged in an array can pointedly launch specific parts of the fuselage or the wing simulation device, the pointedness experiment is convenient, and the variable is easy to control.
In different embodiments, the plurality of transmitting holes 4 are distributed on the transmitting barrel 3 in an unordered manner, when the transmitting barrel transmits hail, the flying state of the hail is closer to the actual state of natural hail, and the actual situation that the hail collides with the fuselage or the wing can be reflected more truly.
Further preferably, on the basis of the above scheme, in this embodiment, a plurality of limit rods 7 are symmetrically arranged at one end of the test frame close to the transmitting hole 4, a limit baffle 8 is slidably arranged on the limit rod 7, a transmitting window 9 is arranged on the limit baffle 8, an inscribed circle of the transmitting window 9 and the transmitting cylinder are coaxially arranged, and the diameter size of the inscribed circle of the transmitting window 9 is smaller than the outer diameter size of the transmitting cylinder 3. The stop lever 7 is sleeved with a buffer spring 10, one end of the buffer spring 10 is fixedly abutted with one end of the stop baffle 8, which is far away from the test frame 1, and the other end of the buffer spring 10 is fixedly connected with a stop nut at the tail end of the stop lever 7. Therefore, the launching tube 3 cannot be separated from control when flying out, the launching tube 3 can be stopped at one side of the test frame 1 under the cooperation of the buffer spring 10 and the limit baffle 8, and the launching tube 3 is still in an acceleration horizontal flight state when the limit baffle 8 blocks the launching tube 3, the speed is reduced after the blocking by the limit baffle 8, the hail in the launching hole 4 still keeps the original acceleration to fly out rapidly, so that the initial state of the hail when flying out of the launching hole 4 is still horizontal, the problem of direction change when the hail flies out caused by natural deceleration downward deflection when the launching tube 3 is not blocked can be avoided, and the accuracy of the simulation process is improved; the sensor at the transmitting window 9 can intuitively test the transmitting speed when hail is separated from the transmitting barrel, and transmits data to the data processing terminal, so that the collision resistance of the fuselage or the wing can be intuitively judged.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (9)
1. A hail-emitting device, characterized in that: the hail-proof testing device comprises a testing frame, wherein a transmitting part is fixedly arranged in the testing frame, a through hole is formed in the transmitting part, a transmitting barrel is movably arranged in the through hole, a plurality of transmitting holes are formed in one end of the transmitting barrel, and hail is placed in the transmitting holes; the emission part can emit the emission barrel in an acceleration level so as to drive hail in the emission hole to be emitted in an acceleration mode.
2. The hail-emitting apparatus of claim 1 wherein: the plurality of the emitting holes are uniformly distributed on the emitting barrel in an array.
3. The hail-emitting apparatus of claim 1 wherein: the plurality of emitting holes are randomly distributed on the emitting barrel.
4. The hail-emitting apparatus of claim 1 wherein: the test frame is close to the one end symmetry of emission hole is equipped with a plurality of gag levers, the slip is equipped with limit baffle on the gag lever post, set up the emission window on the limit baffle, the inscribed circle of emission window with the coaxial arrangement of emission section of thick bamboo, just the inscribed circle diameter size of emission window is less than the external diameter size of emission section of thick bamboo.
5. The hail-emitting apparatus of claim 4 wherein: the stop lever is gone up the cover and is equipped with buffer spring, buffer spring one end with limit baffle keeps away from the fixed butt of one end of test frame, the buffer spring other end with terminal stop nut fixed connection of stop lever.
6. The hail-emitting apparatus of claim 1 wherein: the emitting part is an electromagnetic emitting part, a plurality of coils are wound on the electromagnetic emitting part, and a power supply is externally connected with the coils.
7. The hail-emitting apparatus of claim 1 wherein: the top of the test frame is provided with an auxiliary coil, and the auxiliary coil is externally connected with a power supply.
8. The hail-emitting apparatus of claim 4 wherein: and a sensor is arranged on one side of the test frame and can test the speed of hail emission.
9. A hail emission method, characterized in that: the method comprises the following steps:
placing a preformed hail into the emitting hole; switching on a power supply of the coil, generating a magnetic field by the coil, and accelerating the emission of the emission cylinder under the action of the magnetic field; hail placed in the emission hole obtains the same acceleration, and the hail is accelerated forward to fly out of the emission hole under inertia and acceleration, so that the natural hail flight process is simulated until the hail collides on a simulation device of a fuselage or a wing, and a simulated hail collision experiment of the fuselage or the wing is realized.
Priority Applications (1)
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CN202310071279.1A CN116222945A (en) | 2023-01-16 | 2023-01-16 | Hail transmitting device and transmitting method thereof |
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CN202310071279.1A CN116222945A (en) | 2023-01-16 | 2023-01-16 | Hail transmitting device and transmitting method thereof |
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CN116222945A true CN116222945A (en) | 2023-06-06 |
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CN202310071279.1A Pending CN116222945A (en) | 2023-01-16 | 2023-01-16 | Hail transmitting device and transmitting method thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116296932A (en) * | 2023-05-25 | 2023-06-23 | 江苏福明太阳能有限公司 | Physical load photovoltaic module test equipment |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116296932A (en) * | 2023-05-25 | 2023-06-23 | 江苏福明太阳能有限公司 | Physical load photovoltaic module test equipment |
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