CN113155393B - Air-drop buffering air bag test device - Google Patents
Air-drop buffering air bag test device Download PDFInfo
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- CN113155393B CN113155393B CN202110234172.5A CN202110234172A CN113155393B CN 113155393 B CN113155393 B CN 113155393B CN 202110234172 A CN202110234172 A CN 202110234172A CN 113155393 B CN113155393 B CN 113155393B
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention discloses an air-drop buffer air bag test device, which relates to the technical field of air bag buffer performance test, and comprises the following components: the lifting assembly comprises a first vertical lifting device and a second vertical lifting device which are arranged in parallel; the track comprises a horizontal section and a slope section, one end of the horizontal section is arranged on the first vertical lifting device, one end of the horizontal section, which is far away from the first vertical lifting device, is connected with the lower end of the slope section, the higher end of the slope section is arranged on the second vertical lifting device, the first vertical lifting device is used for driving one end of the horizontal section, which is far away from the lower end of the slope section, to lift, and the second vertical lifting device is used for driving the higher end of the slope section to lift; a movable trolley which is slidably arranged on the track; and the automatic release device is used for fixing and releasing the air-drop test piece and is arranged on the movable trolley so as to synchronously move along with the movable trolley. The air-drop buffer air bag test device can provide two speeds of a horizontal speed and a vertical speed for an air-drop test piece.
Description
Technical Field
The invention relates to the technical field of dynamic parameter testing and airbag buffering performance testing during landing buffering of air-dropped supplies, in particular to an air-dropped buffering airbag testing device.
Background
The air bag buffering is one of the most main landing buffering modes at present for the airdrop of goods and materials, and compared with other landing buffering modes for the airdrop of goods and materials, such as compressible cellular materials, brake rockets and the like, the airdrop test piece has the advantages of simple structure, convenience in use, good buffering effect, low cost and the like. The buffer performance of the air-drop buffer air bag is related to the air-drop safety of materials. The air-drop buffer air bag with poor buffer performance can cause overlarge impact overload when the goods and materials land, and the goods and materials can have higher rebound and even side turning phenomena, thereby causing the damage of the goods and materials. In the development stage of the air-drop buffer air bag, a landing impact test needs to be carried out, the buffer performance of the air-drop buffer air bag under a typical working condition is analyzed and evaluated, and whether the requirement of material air-drop landing buffer is met or not is judged. Currently, the main methods adopted by the airdrop buffer airbag test are as follows: the large crane is used as a hanging device to lift the air-dropped object to a certain height and then release the object to obtain the required initial speed of air-dropped landing. In the actual air-drop process, because of the horizontal driving of the air-drop aircraft and the influence of ground wind, the air-drop object usually has a certain vertical speed and a certain horizontal speed when landing, because the initial speed of the air-drop landing provided by the method is only in the vertical direction, the influence of the horizontal landing speed on the air-drop buffer air bag is not considered, the analysis accuracy of the buffer performance of the air-drop test piece is low, and meanwhile, a test device capable of providing two speeds, namely the horizontal speed and the vertical speed, is lacked in the prior art.
Therefore, how to overcome the above-mentioned drawbacks is a problem to be solved by those skilled in the art.
Disclosure of Invention
In order to solve the technical problems, the invention provides an air-drop buffer air bag test device capable of providing two speeds, namely a horizontal speed and a vertical speed.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides an air-drop buffer air bag test device, which comprises: the lifting assembly comprises a first vertical lifting device and a second vertical lifting device which are arranged in parallel; the track comprises a horizontal section and a slope section, one end of the horizontal section is arranged on the first vertical lifting device, one end of the horizontal section, which is far away from the first vertical lifting device, is connected with the lower end of the slope section, the higher end of the slope section is arranged on the second vertical lifting device, the first vertical lifting device is used for driving one end of the horizontal section, which is far away from the lower end of the slope section, to lift, and the second vertical lifting device is used for driving the higher end of the slope section to lift; the movable trolley is slidably arranged on the track; the automatic release device is used for fixing and releasing the airdrop test piece and arranged on the movable trolley to synchronously move along with the movable trolley, and the airdrop test piece comprises an airdrop object and an airdrop buffer air bag arranged on the airdrop object.
Preferably, the airdrop buffering airbag test device further comprises a data acquisition and analysis system, wherein the data acquisition and analysis system comprises an industrial personal computer, a carrier measurement system, a plurality of airbag pressure measurement systems and a plurality of high-speed cameras, the carrier measurement system, each airbag pressure measurement system and each high-speed camera are in communication connection with the industrial personal computer, the carrier measurement system is arranged on the airdrop, the carrier measurement system is used for achieving acquisition and storage of posture, position, overload, angular velocity, speed and temperature and humidity in the process of landing and buffering of the airdrop, each airbag of the airdrop buffering airbag is provided with the airbag pressure measurement system, and the airbag pressure measurement system is used for achieving acquisition and storage of the airbag working state parameter data corresponding to the airdrop buffering process.
Preferably, the carrier measurement system includes a first embedded processor, and a first storage module, a first communication module, a first power module, a first temperature and humidity measurement module, a three-axis gyroscope, a three-axis accelerometer, a three-axis magnetometer, a GNSS satellite navigation system, and a barometric manometer all communicatively connected to the first embedded processor.
Preferably, the airbag pressure measuring system comprises a second embedded processor, and a second storage module, a second communication module, a second power module, a second temperature and humidity measuring module and a gas pressure measuring module which are all in communication connection with the second embedded processor.
Preferably, the track further includes an arc-shaped transition section, the arc-shaped transition section is disposed between the horizontal section and the slope section, a lower end of the arc-shaped transition section is tangent to and connected to an end of the horizontal section away from the first vertical lifting device, and a higher end of the arc-shaped transition section is tangent to and connected to a lower end of the slope section.
Preferably, the airdrop buffer airbag test device further comprises a trolley locking mechanism for locking the movable trolley on the track and releasing the movable trolley.
Preferably, the rail is integrally formed by forging high-strength I-shaped steel.
Preferably, the automatic release device is an automatic release hook, a hanging strip is arranged on the airdrop test piece, and the hanging strip is hung on the automatic release hook.
Preferably, the air-drop buffer balloon test device further comprises a plurality of targets, each of which is disposed on the air-drop object.
Compared with the prior art, the invention has the following technical effects:
the invention provides an air-drop buffer air bag test device, which comprises: the lifting assembly comprises a first vertical lifting device and a second vertical lifting device which are arranged in parallel; the track comprises a horizontal section and a slope section, one end of the horizontal section is arranged on the first vertical lifting device, one end of the horizontal section, which is far away from the first vertical lifting device, is connected with the lower end of the slope section, the higher end of the slope section is arranged on the second vertical lifting device, the first vertical lifting device is used for driving one end of the horizontal section, which is far away from the lower end of the slope section, to lift, and the second vertical lifting device is used for driving the higher end of the slope section to lift; a movable trolley which is slidably arranged on the track; the automatic release device is used for fixing and releasing the air-drop test piece and is arranged on the movable trolley to synchronously move along with the movable trolley, and the air-drop test piece comprises an air-drop object and an air-drop buffer air bag arranged on the air-drop object.
In the specific use process, after the movable trolley falls to the horizontal section from the slope section, the movable trolley drives the air-drop test piece to move on the horizontal section at a certain horizontal initial speed, after the movable trolley moves to a specific position (selected according to needs) of the horizontal section, the air-drop test piece is released through the automatic release device, a certain vertical speed is formed in the falling process of the air-drop test piece, and under the combined action of the horizontal speed and the vertical speed, the air-drop test piece performs free-fall parabolic motion. The air-drop buffer air bag test device can provide two speeds of horizontal speed and vertical speed for an air-drop test piece, can accurately simulate the falling process of the air-drop test piece, and greatly improves the analysis accuracy of the buffer performance of the air-drop test piece. In addition, the horizontal velocity of the air-drop test piece can be adjusted by adjusting the falling height of the movable trolley at the slope section, the vertical velocity of the air-drop test piece can be adjusted by adjusting the lifting heights of the first lifting device and the second lifting device, the buffer performance of the air-drop test piece under different horizontal velocities and different vertical velocities can be analyzed, and the analysis accuracy of the buffer performance of the air-drop test piece is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an air-drop cushioning airbag testing device provided in an embodiment of the present invention;
FIG. 2 is a schematic diagram of a lifting height of an airdrop buffer airbag test apparatus provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a data acquisition and analysis system of an air-drop buffer airbag testing apparatus provided in an embodiment of the present invention.
Description of reference numerals: 1. a first vertical lifting device; 2. a second vertical lifting device; 3. a horizontal segment; 4. an arc transition section; 5. a slope section; 6. aerial delivery of the material; 7. an air-drop buffer air bag; 8. the trolley can be moved; 9. an automatic release device; 10. a sling; 11. a carrier measurement system; 12. an air bag pressure measurement system; 13. a high-speed camera; 14. an industrial personal computer; 15. an external communication module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an air-drop buffer air bag test device capable of providing two speeds, namely a horizontal speed and a vertical speed.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1 to 3, the present embodiment provides an air-drop buffer airbag testing apparatus, including: the lifting assembly comprises a first vertical lifting device 1 and a second vertical lifting device 2 which are arranged in parallel; the track comprises a horizontal section 3 and a slope section 5, one end of the horizontal section 3 is arranged on the first vertical lifting device 1, one end, far away from the first vertical lifting device 1, of the horizontal section 3 is connected with the lower end of the slope section 5, the higher end of the slope section 5 is arranged on the second vertical lifting device 2, the first vertical lifting device 1 is used for driving one end, far away from the lower end of the slope section 5, of the horizontal section 3 to lift, and the second vertical lifting device 2 is used for driving the higher end of the slope section 5 to lift; a movable carriage 8 slidably disposed on the rail; and the automatic release device 9 is used for fixing and releasing the airdrop test piece and is arranged on the movable trolley 8 so as to synchronously move along with the movable trolley 8, and the airdrop test piece comprises an airdrop 6 and an airdrop buffer air bag 7 arranged on the airdrop 6. The air-drop buffer air bag test device considers the influence of the horizontal landing speed on the air-drop buffer air bag 7, can provide two speeds of the horizontal speed and the vertical speed for an air-drop test piece, more accords with the actual air-drop process, and the analysis accuracy of the buffer performance of the air-drop buffer air bag 7 is greatly improved.
It should be noted that what kind of structure specifically chooses for use of first vertical lifting device 1 and second vertical lifting device 2 belongs to prior art, and any structure that can realize vertical lift can all, for example, electric putter, hydraulic lift. In addition, the first vertical lifting device 1 and the second vertical lifting device 2 are lifted synchronously, and the lifting heights are the same. Compared with a crane, the first vertical lifting device 1 and the second vertical lifting device 2 can design and adjust the landing height and the landing speed of the air-drop test piece according to test requirements, and are safer and more reliable, convenient to operate, and good in expansibility and universality.
In this embodiment, the airdrop buffer airbag test device further includes a data acquisition and analysis system, the data acquisition and analysis system includes an industrial personal computer 14, a carrier measurement system 11, a plurality of airbag pressure measurement systems 12 and a plurality of high-speed cameras 13, the carrier measurement system 11, each airbag pressure measurement system 12 and each high-speed camera 13 are all in communication connection with the industrial personal computer 14, the carrier measurement system 11 is disposed on the airdrop 6, the carrier measurement system 11 is used for achieving acquisition and storage of attitude, position, overload, angular velocity, speed, temperature and humidity in a landing buffer process of the airdrop 6, each airbag of the airdrop buffer airbag 7 is provided with an airbag pressure measurement system 12, and the airbag pressure measurement system 12 is used for achieving acquisition and storage of airbag working state parameter data corresponding to the landing buffer process. The purpose of providing a plurality of height cameras is to photograph the aerial delivery 6 from a plurality of angles. In this embodiment, the number of the high-speed cameras 13 is specifically two, and the carrier measurement system 11 and each air bag pressure measurement system 12 are in communication connection with the industrial personal computer 14 through the external communication module 15.
In the prior art, an overload measuring instrument installed on an air-dropped object is used for collecting landing impact loads, a ground high-speed camera is used for collecting a landing buffering process, and then the performance of an air-dropped buffering air bag at different vertical landing speeds is analyzed. The air-drop buffering air bag 7 system is generally formed by connecting a plurality of independent air bags in parallel, and due to the influence of factors such as material landing postures and ground fluctuation in actual air-drop, the working states of all air bags in the landing buffering process are possibly asynchronous, so that the air-drop buffering air bag has larger difference in buffering performance under different working conditions. The air-drop buffer air bag test device provided by the embodiment has more complete test data acquisition, and comprises data such as the landing attitude, position, angular velocity, impact overload, temperature and humidity, air bag internal pressure, air bag deformation and the like of an air-drop object 6, so that the quantitative analysis of the air bag buffer performance is more accurate.
In this embodiment, specifically, the carrier measurement system 11 includes a first embedded processor, and a first storage module, a first communication module, a first power module, a first temperature and humidity measurement module, a three-axis gyroscope, a three-axis accelerometer, a three-axis magnetic field meter, a GNSS satellite navigation system, and a pressure gauge, which are all in communication connection with the first embedded processor. The three-axis gyroscope is used for measuring the angular velocity of the airdropped object, the three-axis accelerometer is used for measuring the acceleration of the airdropped object, the three-axis magnetic field meter is used for measuring the magnetic field intensity and direction and correcting the course of the airdropped object, the GNSS satellite navigation system is used for measuring the position of the airdropped object, and the barometric altimeter is used for measuring the barometric altitude of the airdropped object.
In this embodiment, specifically, the airbag pressure measuring system 12 includes a second embedded processor, and a second storage module, a second communication module, a second power module, a second temperature and humidity measuring module, and a gas pressure measuring module, which are all in communication connection with the second embedded processor. The gas pressure measurement module employs PRTrans1000IS from meieke, usa.
In this embodiment, the track further includes an arc transition section 4, the arc transition section 4 is disposed between the horizontal section 3 and the slope section 5, and the lower end of the arc transition section 4 is tangent and connected to the end of the horizontal section 3 away from the first vertical lifting device 1, and the higher end of the arc transition section 4 is tangent and connected to the lower end of the slope section 5. In this embodiment, the included angle between the horizontal segment 3 and the slope segment 5 is 150 degrees.
In this embodiment, the airdrop buffer airbag test apparatus further includes a cart locking mechanism for locking the movable cart 8 on the track and releasing the movable cart 8. The specific structure of the locking mechanism of the trolley belongs to the prior art, for example, a sliding unlocking and locking device with the application number of 201721350144.5 is selected.
In this embodiment, the rail is integrally forged and formed by high-strength i-shaped steel.
In this embodiment, the automatic releasing device 9 is an automatic releasing hook, a hanging strip 10 is arranged on the airdrop test piece, and the hanging strip 10 is hung on the automatic releasing hook. In this embodiment, the automatic release hook is an electric release hook, and is implemented by using a GDG-402A hook latch.
In this embodiment, the air-drop buffer airbag testing apparatus further includes a plurality of targets, and each target is disposed on the air-drop object 6. The whole test process is synchronously recorded by the two high-speed cameras 13, the targets are pasted on different parts of the air-dropped object 6, the falling process of the targets and the deformation buffering process of each air bag are shot by the high-speed cameras 13, corresponding test parameters are obtained through image processing software, and how to obtain the corresponding test parameters through the image processing software belongs to the prior art and is not described herein again.
The air-drop height of the air-drop test piece is determined by the free falling height H of the mass center of the air-drop test piece 1 And the height H of the mass center of the air-drop test piece falling along the slope section 5 2 And (4) forming.
The vertical landing speed and the horizontal landing speed required by the airdrop test piece are respectively set to be V 1 And V 2 Then H is 1 And H 2 Each can be determined according to the following formula:
g is the acceleration of gravity.
The operating principle of the air-drop buffer airbag test device provided by the embodiment is that the first vertical lifting device 1 and the second vertical lifting device 2 are adopted to lift an air-drop test piece to a specified height, the air-drop test piece is released to be in free-fall parabolic motion, and the actual air-drop landing process is simulated. The requirements of different initial vertical landing speeds and horizontal landing speeds of the airdrop test piece are met by adjusting the lifting heights of the first vertical lifting device 1 and the second vertical lifting device 2. By installing the carrier measuring system 11 and the air bag pressure measuring system 12 on the air-drop test piece and adopting technical means such as multi-azimuth synchronous high-speed camera shooting (height cameras are arranged in different azimuths), data such as posture, position, overload, angular speed, temperature and humidity, air bag pressure, air bag deformation and the like under the same time scale in the landing buffering process of the air-drop test piece are obtained, and quantitative analysis and checking verification of the buffering characteristic of the air-drop buffering air bag 7 are achieved.
The test process of the air-drop buffer airbag test device is described in detail below with reference to specific examples:
before the test is carried out, the air-drop buffer air bag 7 is firstly installed on the bottom surface of the air-drop object 6, and a carrier measuring system 11, an air bag pressure measuring system 12 and a high-speed camera 13 are installed, so that all ground preparation work is completed. Starting related hardware equipment and software, hanging an air-drop test piece on an electric control release hook through a hanging strip 10, synchronously operating a first vertical lifting device 1 and a second vertical lifting device 2, and controlling the track to stably rise to enable the ground clearance of the bottom surface of an air-drop buffering air bag 7 to be 3.27 meters. And operating the movable trolley 8 to move, so that the air-drop test piece is stably lifted along the track slope section 5 along with the movable trolley 8, and locking the movable trolley 8 through a trolley locking mechanism when the ground clearance of the bottom surface of the air-drop buffer air bag 7 is 5.11 m. During testing, the trolley locking mechanism is unlocked, the movable trolley 8 is released, and the air-drop test piece freely slides down along the rail by means of the movable trolley 8. And when the movable trolley 8 moves to the track horizontal section 3, the electric control release hook is immediately unlocked, the air-drop test piece is released, and the air-drop test piece performs free-fall parabolic motion at the horizontal speed of 6 m/s. The aerial delivery test pieces landed at the desired initial vertical speed of 8 m/s and horizontal speed of 6 m/s. And the air-drop object 6 lands under the buffer action of the air-drop buffer air bag 7 until the air-drop object stably lands, and the landing buffer process of the air-drop test piece is finished. All the measurement data acquired by various measurement devices are imported into the industrial personal computer 14 for data analysis and processing, various response curves under unified time scales are obtained through data analysis software, and then the buffer performance of the air-drop buffer airbag 7 is analyzed. And (4) exiting the system and ending the test process. It should be noted that how to obtain various response curves on the same time scale through data analysis software belongs to the prior art, and is not the key point of the protection of the present invention, and details are not described here.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above description of the embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. An air-drop buffer airbag test device, characterized by comprising:
the lifting assembly comprises a first vertical lifting device and a second vertical lifting device which are arranged in parallel;
the track comprises a horizontal section and a slope section, one end of the horizontal section is arranged on the first vertical lifting device, one end of the horizontal section, which is far away from the first vertical lifting device, is connected with the lower end of the slope section, the higher end of the slope section is arranged on the second vertical lifting device, the first vertical lifting device is used for driving one end of the horizontal section, which is far away from the lower end of the slope section, to lift, and the second vertical lifting device is used for driving the higher end of the slope section to lift;
a movable trolley slidably disposed on the rail;
the automatic release device is used for fixing and releasing the air-drop test piece and is arranged on the movable trolley to synchronously move along with the movable trolley, and the air-drop test piece comprises an air-drop object and an air-drop buffer air bag arranged on the air-drop object.
2. The airdrop buffer airbag test device according to claim 1, further comprising a data acquisition and analysis system, wherein the data acquisition and analysis system comprises an industrial personal computer, a carrier measurement system, a plurality of airbag pressure measurement systems and a plurality of high-speed cameras, the carrier measurement system, each airbag pressure measurement system and each high-speed camera are in communication connection with the industrial personal computer, the carrier measurement system is arranged on the airdrop, the carrier measurement system is used for achieving acquisition and storage of posture, position, overload, angular velocity, speed and temperature and humidity in a landing and buffering process of the airdrop, each airbag of the airdrop buffer airbag is provided with the airbag pressure measurement system, the airbag pressure measurement system is used for achieving acquisition and storage of working state parameter data of the corresponding airbag in the landing and buffering process, and the working state parameter data comprise temperature and humidity data and airbag internal pressure data.
3. The aerial drop cushion airbag testing device of claim 2, wherein the carrier measurement system comprises a first embedded processor, and a first storage module, a first communication module, a first power module, a first temperature and humidity measurement module, a three-axis gyroscope, a three-axis accelerometer, a three-axis magnetometer, a GNSS satellite navigation system, and a pressure manometer all communicatively connected to the first embedded processor.
4. The airdrop buffer airbag test device of claim 2, wherein the airbag pressure measurement system comprises a second embedded processor, and a second storage module, a second communication module, a second power module, a second temperature and humidity measurement module, and a gas pressure measurement module all in communication connection with the second embedded processor.
5. The air-drop buffer airbag test device according to claim 1, wherein the track further comprises an arc-shaped transition section, the arc-shaped transition section is arranged between the horizontal section and the slope section, the lower end of the arc-shaped transition section is tangent to and connected with one end of the horizontal section far away from the first vertical lifting device, and the higher end of the arc-shaped transition section is tangent to and connected with the lower end of the slope section.
6. The aerial drop cushion airbag testing apparatus of claim 1, further comprising a cart locking mechanism for locking and releasing the movable cart to the track.
7. The airdrop impact bag testing apparatus of claim 1, wherein the rail is integrally forged from a high-strength i-section steel.
8. The airdrop buffer airbag test device of claim 1, wherein the automatic release device is an automatic release hook, a hanging strip is arranged on the airdrop test piece, and the hanging strip is hung on the automatic release hook.
9. The aerial delivery buffer balloon assay device of claim 1, further comprising a plurality of targets, each target disposed on the aerial delivery.
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| CN113776864A (en) * | 2021-08-30 | 2021-12-10 | 航宇救生装备有限公司 | Heavy-duty air-drop landing simulation test device |
| CN113720569B (en) * | 2021-09-03 | 2023-10-31 | 中国人民解放军国防科技大学 | Buffer air bag drop test measurement method and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201935798U (en) * | 2010-12-09 | 2011-08-17 | 南车二七车辆有限公司 | Rolling stock variable gradient impact test line |
| CN110261054A (en) * | 2019-05-29 | 2019-09-20 | 太原重工股份有限公司 | Height-adjustable body throw test platform |
| CN111024425A (en) * | 2019-12-10 | 2020-04-17 | 中国特种飞行器研究所 | Vertical water inlet test device and test method for model |
| CN111735598A (en) * | 2020-06-01 | 2020-10-02 | 南京航空航天大学 | Novel multi-working-condition drop test device and method for landing buffer mechanism |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3839248B2 (en) * | 2000-11-24 | 2006-11-01 | 株式会社ジェイテクト | Control device for electric power steering device |
| JP2007322339A (en) * | 2006-06-02 | 2007-12-13 | Fujitsu Ltd | Method and device for testing vibration |
| DE202008010538U1 (en) * | 2008-08-07 | 2008-10-30 | Bergwacht Bayern | Air rescue simulator |
| US20110024569A1 (en) * | 2009-05-27 | 2011-02-03 | Conax Florida Corporation | Attenuated landing system |
| CN102789526B (en) * | 2012-07-12 | 2015-05-20 | 中国人民解放军装甲兵工程学院 | Analog calculating method for landing buffering process of equipment air drop |
| CN102799726B (en) * | 2012-07-12 | 2014-06-25 | 中国人民解放军装甲兵工程学院 | Simulation design method for airbag buffer system of airdrop equipment |
| US20150203202A1 (en) * | 2014-01-23 | 2015-07-23 | Capewell Components Company, Llc | Rapid environmental control aerial delivery system |
| CN103761901B (en) * | 2014-01-24 | 2016-04-13 | 吴佳明 | Ship-board aircraft pilot dynamic simulated training system |
| CN104677662B (en) * | 2015-02-10 | 2017-03-08 | 中国工程物理研究院总体工程研究所 | Unstable body air-drop parachute-opening simulation test device and test method |
| CA2886731A1 (en) * | 2015-03-31 | 2016-09-30 | Harvard M. Farrant | Multiple blade wind turbine |
| CN106218900B (en) * | 2016-08-05 | 2018-08-03 | 中国人民解放军空军空降兵学院 | A kind of landed by parachute training system and method based on real terrain simulation |
| CN206300766U (en) * | 2016-10-27 | 2017-07-04 | 北京汽车股份有限公司 | Air bag fall-down test device |
| CN106855460A (en) * | 2016-12-20 | 2017-06-16 | 中国船舶重工集团公司第七0研究所 | A kind of air-drop simulation test device with traction |
| CN106840599B (en) * | 2017-01-23 | 2019-04-16 | 大连理工大学 | A kind of sail body with the velocity of following enters water experimental provision |
| CN106843281B (en) * | 2017-03-09 | 2019-07-12 | 北京航天控制仪器研究所 | A kind of intelligence is accurately dropped from the air aerial delivery system |
| CN109724762A (en) * | 2017-10-30 | 2019-05-07 | 泰富重工制造有限公司 | Friction eceleration brake apparatus for airdrop test vehicle |
| US11186376B2 (en) * | 2018-03-05 | 2021-11-30 | The Government Of The United States, As Represented By The Secretary Of The Army | Aerial delivery system |
| CN109406159A (en) * | 2018-05-23 | 2019-03-01 | 苏州博之盾防护技术有限公司 | A kind of airborne vehicle air-drop simulator of load person |
| CN210295620U (en) * | 2019-08-01 | 2020-04-10 | 邓妙娟 | Air-drop bag parachute model |
| CN110781579B (en) * | 2019-09-23 | 2021-07-20 | 同济大学 | Method for simulating falling process of air-drop object |
-
2021
- 2021-03-03 CN CN202110234172.5A patent/CN113155393B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201935798U (en) * | 2010-12-09 | 2011-08-17 | 南车二七车辆有限公司 | Rolling stock variable gradient impact test line |
| CN110261054A (en) * | 2019-05-29 | 2019-09-20 | 太原重工股份有限公司 | Height-adjustable body throw test platform |
| CN111024425A (en) * | 2019-12-10 | 2020-04-17 | 中国特种飞行器研究所 | Vertical water inlet test device and test method for model |
| CN111735598A (en) * | 2020-06-01 | 2020-10-02 | 南京航空航天大学 | Novel multi-working-condition drop test device and method for landing buffer mechanism |
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