CN112924126A - Aircraft tire landing impact test device and test method thereof - Google Patents
Aircraft tire landing impact test device and test method thereof Download PDFInfo
- Publication number
- CN112924126A CN112924126A CN202110074502.9A CN202110074502A CN112924126A CN 112924126 A CN112924126 A CN 112924126A CN 202110074502 A CN202110074502 A CN 202110074502A CN 112924126 A CN112924126 A CN 112924126A
- Authority
- CN
- China
- Prior art keywords
- test
- impact
- platform
- tire
- test piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Tires In General (AREA)
Abstract
The invention provides an aircraft tire landing impact test device and a test method thereof. The test method comprises the steps that the tire test piece is arranged on a test platform, and the lifting screw rod assembly drives the lifting platform to move so as to approach the tire test piece; adjusting the contact angle between the impact platform and the tire test piece; driving the lifting platform to move to a test height, and loosening the hanging basket through the unhooking device to enable the impact platform to freely fall to impact the tire test piece; and finally, collecting impact load, hanging basket displacement data and circumferential and transverse deformation images of the tire test piece. The invention realizes the landing impact test of the airplane tire in the process of simulating the airplane landing in a laboratory; the angle of the impact platform and the height of the hanging basket can be adjusted, and the condition that the tire of the landing gear and the ground have a certain angle and the airplane sinks at different speeds when the real airplane lands can be simulated.
Description
Technical Field
The invention relates to the technical field of tire tests, in particular to an aircraft tire landing impact test device and a test method thereof.
Background
The aircraft landing gear tire is the only component which is contacted with the ground when the aircraft takes off and lands, and has the functions of ground support, energy absorption when taking off and landing and the like. In the whole aircraft structure, the tire is an important factor influencing the take-off and landing safety of the aircraft. There are related sector statistics that, of all aircraft accidents, more than half of the accidents occur during take-off and landing, again 80% of them being associated with tires. It can be said that the performance of the tires determines to some extent the performance of the aircraft in takeoff and landing. During take-off and landing, the load and the internal pressure of the tyre cannot exceed their design values, otherwise a flat tyre or a more serious accident may be caused, so that it is important to study the behaviour of the tyre when the aircraft is impacted during landing.
At present, the landing impact test of the landing gear tire of the airplane has less research in China, and the research in the aspect of foreign countries starts earlier, but the disclosure content is less. Therefore, further experimental simulation studies on this problem are needed.
Disclosure of Invention
In order to solve the problems, the invention provides an aircraft tire landing impact test device and a test method thereof.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an aircraft tire landing impact test apparatus comprising:
a test bed base;
the test bed bracket is arranged on the test bed base and is vertical to the test bed base;
the lifting platform is arranged on the test bed bracket and slides along the vertical direction of the test bed base;
the lifting screw rod assembly is arranged on the test bed bracket and drives the lifting platform to slide along the vertical direction of the test bed base;
the hanging basket is arranged below the lifting platform and is connected with the lifting platform through a detacher;
the impact platform is arranged below the hanging basket and is connected with the hanging basket through an angle adjusting component;
the test platform is arranged below the impact platform, a tire test piece and a clamping assembly for fixing the tire test piece are arranged on the test platform, the clamping assembly comprises two lug plates parallel to the test bed bracket and a fixed shaft movably arranged between the lug plates, and the tire test piece is arranged on the fixed shaft;
the data acquisition assembly comprises a spoke type force sensor, a stay wire displacement sensor and a high-speed camera, wherein the spoke type force sensor is arranged between the test platform and the test bed base, the stay wire displacement sensor is arranged on the test bed base, and one end of a stay wire of the stay wire displacement sensor is connected with the hanging basket; the high-speed camera is arranged on one side of the test bed base and is used for acquiring circumferential and transverse deformation images of the tire test piece under the impact of the impact platform;
and the computing unit is electrically connected with the spoke type force sensor, the stay wire displacement sensor and the high-speed camera respectively.
Furthermore, the test bed support is provided with a slide rail arranged along the vertical direction of the test bed base, and the lifting platform is movably arranged on the slide rail.
Furthermore, the angle adjusting assembly comprises a steering engine and a speed reducing box, and the output end of the steering engine is connected with the impact platform through a rotating support and drives the impact platform to rotate.
Furthermore, the number of the spoke type force sensors is three, and the spoke type force sensors are arranged in a triangular shape and are parallel to the base of the test bed.
Furthermore, a weight is arranged in the hanging basket.
A test method of an aircraft tire landing impact test device comprises the following steps:
the method comprises the following steps: mounting a tire test piece on a test platform;
step two: the lifting screw rod assembly drives the lifting platform to move so as to approach the tire test piece;
step three: adjusting the contact angle between the impact platform and the tire test piece through the angle adjusting assembly;
step four: driving the lifting platform to move to a test height;
step five: loosening the hanging basket through the unhooking device to enable the impact platform to freely fall to impact the tire test piece;
step six: collecting impact load, hanging basket displacement data and circumferential and transverse deformation images of a tire test piece;
step seven: repeating the second step to the sixth step, and recording experimental data;
step eight: and extracting a curve of the change of the height of the hanging basket and the load along with the time, and processing an image of the deformation condition of the tire test piece under the impact, which is acquired by the high-speed camera, by using an image recognition technology to obtain the curve of the change of the deformation of the tire test piece along with the time.
Compared with the prior art, the invention has the beneficial effects that:
the invention realizes the landing impact test of the airplane tire in the process of simulating the airplane landing in a laboratory; the angle of the impact platform and the height of the hanging basket can be adjusted, and the conditions that the tires of the landing gear and the ground have a certain angle and the airplane sinks at different speeds when the real airplane lands can be simulated; the testing device disclosed by the invention is compact and simple in structure, convenient to operate and low in cost.
Drawings
FIG. 1 is a front view of an aircraft tire landing impact testing apparatus according to an embodiment of the invention.
FIG. 2 is an isometric view of an aircraft tire landing impact testing apparatus in an embodiment of the invention.
FIG. 3 is a flowchart of a testing method of the aircraft tire landing impact testing apparatus according to the embodiment of the invention.
In the figure: 100. a test bed base; 200. a test stand support; 201. a slide rail; 300. a lifting platform; 400. a lifting screw rod assembly; 500. a hanging basket; 501. a detacher; 600. a striking platform; 601. a steering engine; 602. rotating the bracket; 700. a test platform; 701. a tire test piece; 702. a tab; 703. a fixed shaft; 801. a spoke-type force sensor; 802. a pull wire displacement sensor; 803. high-speed cameras.
Detailed Description
The specific contents of the present invention will be further described with reference to the accompanying drawings and examples.
In one aspect, an embodiment of the present invention provides an aircraft tire landing impact testing apparatus, as shown in fig. 1-2, including a test bed base 100, a test bed bracket 200, a lifting platform 300, a lifting screw assembly 400, a hanging basket 500, an impact platform 600, a test platform 700, a data acquisition assembly, and a computing unit.
The test bed bracket 200 is arranged on the test bed base 100 and is perpendicular to the test bed base 100; the lifting platform 300 is arranged on the test bed bracket 200 and slides along the vertical direction of the test bed base 100; the lifting screw rod assembly 400 is arranged on the test bed bracket 200 and drives the lifting platform 300 to slide along the vertical direction of the test bed base 100; the hanging basket 500 is arranged below the lifting platform 300 and is connected with the lifting platform 300 through a detacher 501; the impact platform 600 is arranged below the hanging basket 500 and connected with the hanging basket 500 through an angle adjusting component; the test platform 700 is arranged below the impact platform 600, a tire test piece 701 and a clamping assembly for fixing the tire test piece 701 are arranged on the test platform 700, the clamping assembly comprises two lugs 702 parallel to the test bed bracket 200 and a fixed shaft 703 movably arranged between the lugs 702, and the tire test piece 701 is arranged on the fixed shaft 703; the data acquisition assembly comprises a spoke type force sensor 801, a stay wire displacement sensor 802 and a high-speed camera 803, wherein the spoke type force sensor 801 is arranged between the test platform 700 and the test bed base 100, the stay wire displacement sensor 802 is arranged on the test bed base 100, and one end of a stay wire of the stay wire displacement sensor 802 is connected with the hanging basket 500; the high-speed camera 803 is arranged on one side of the test bed base 100 and is used for collecting circumferential and transverse deformation images of the tire test piece 701 under the impact of the impact platform 600; the computing unit is electrically connected to the spoke type force sensor 801, the stay wire displacement sensor 802 and the high-speed camera 803 respectively.
The test bed support 200 is provided with a slide rail 201 arranged along the vertical direction of the test bed base 100, and the lifting platform 300 is movably arranged on the slide rail 201.
The angle adjusting assembly comprises a steering engine 601 and a speed reducing box, wherein the output end of the steering engine 601 is connected with the impact platform 600 through a rotating bracket 602 and drives the impact platform 600 to rotate.
The number of the spoke type force sensors 801 is three, and the three spoke type force sensors are arranged in a triangular shape and parallel to the test bed base 100.
Weights are provided in the gondola 500 to simulate the load of the aircraft in order to measure the impact results of the tire test piece 701 under different loads.
In another aspect, an embodiment of the present invention provides a testing method of an aircraft tire landing impact testing apparatus, as shown in fig. 3, including the following steps:
the tire test piece 701 is installed on the test platform 700 according to the test technical requirements, and then the lifting platform 300 is driven to move through the lifting screw rod assembly 400 so as to approach the tire test piece 701; meanwhile, the contact angle between the impact platform 600 and the tire test piece 701 is adjusted through an angle adjusting assembly, wherein the output end of the steering engine 601 is connected with a rotating bracket 602 through a speed reducing box, the bottom of the rotating bracket 602 is connected with the impact platform 600, and the steering engine 601 drives the impact platform 600 to rotate; then, the lifting platform 300 is driven to move to a test height, the hanging basket 500 is loosened through the detacher 501, and the impact platform 600 freely falls to impact the tire test piece 701; and finally, collecting impact load, cradle 500 displacement data and circumferential and transverse deformation images of the tire test piece 701.
Repeating the steps and recording a plurality of groups of experimental data; and extracting and drawing a curve of the change of the height of the hanging basket and the load along with the time in the data, and processing the deformation image of the tire under the impact acquired by the high-speed camera by utilizing a matlab image recognition technology to obtain the curve of the change of the tire deformation along with the time.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.
Claims (6)
1. An aircraft tire landing impact test device, comprising:
a test bed base;
the test bed bracket is arranged on the test bed base and is vertical to the test bed base;
the lifting platform is arranged on the test bed bracket and slides along the vertical direction of the test bed base;
the lifting screw rod assembly is arranged on the test bed bracket and drives the lifting platform to slide along the vertical direction of the test bed base;
the hanging basket is arranged below the lifting platform and is connected with the lifting platform through a detacher;
the impact platform is arranged below the hanging basket and is connected with the hanging basket through an angle adjusting component;
the test platform is arranged below the impact platform, a tire test piece and a clamping assembly for fixing the tire test piece are arranged on the test platform, the clamping assembly comprises two lug plates parallel to the test bed bracket and a fixed shaft movably arranged between the lug plates, and the tire test piece is arranged on the fixed shaft;
the data acquisition assembly comprises a spoke type force sensor, a stay wire displacement sensor and a high-speed camera, wherein the spoke type force sensor is arranged between the test platform and the test bed base, the stay wire displacement sensor is arranged on the test bed base, and one end of a stay wire of the stay wire displacement sensor is connected with the hanging basket; the high-speed camera is arranged on one side of the test bed base and is used for acquiring circumferential and transverse deformation images of a test piece under the impact of the impact platform;
and the computing unit is electrically connected with the spoke type force sensor, the stay wire displacement sensor and the high-speed camera respectively.
2. An aircraft tire landing impact testing apparatus as claimed in claim 1, wherein: the test bed is characterized in that a slide rail is arranged on the test bed support along the vertical direction of the test bed base, and the lifting platform is movably arranged on the slide rail.
3. An aircraft tire landing impact testing apparatus as claimed in claim 1, wherein: the angle adjusting assembly comprises a steering engine and a speed reducing box, and the output end of the steering engine is connected with the impact platform through a rotating support and drives the impact platform to rotate.
4. An aircraft tire landing impact testing apparatus as claimed in claim 1, wherein: the number of the spoke type force sensors is three, and the spoke type force sensors are arranged in a triangular shape and parallel to the base of the test bed.
5. An aircraft tire landing impact testing apparatus as claimed in claim 1, wherein: and a heavy object is arranged in the hanging basket.
6. A test method based on the aircraft tire landing impact test device of any one of claims 1 to 5, characterized by comprising the steps of:
the method comprises the following steps: mounting a test piece on a test platform;
step two: the lifting screw rod assembly drives the lifting platform to move so as to approach the tire test piece;
step three: adjusting the contact angle between the impact platform and the tire test piece through the angle adjusting assembly;
step four: driving the lifting platform to move to a test height;
step five: loosening the hanging basket through the unhooking device to enable the impact platform to freely fall to impact the tire test piece;
step six: collecting impact load, hanging basket displacement data and circumferential and transverse deformation images of a test piece;
step seven: repeating the second step to the sixth step, and recording experimental data;
step eight: and extracting a curve of the change of the height of the hanging basket and the load along with the time, and processing an image of the deformation condition of the tire test piece under the impact, which is acquired by the high-speed camera, by using an image recognition technology to obtain the curve of the change of the deformation of the tire test piece along with the time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110074502.9A CN112924126A (en) | 2021-01-20 | 2021-01-20 | Aircraft tire landing impact test device and test method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110074502.9A CN112924126A (en) | 2021-01-20 | 2021-01-20 | Aircraft tire landing impact test device and test method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112924126A true CN112924126A (en) | 2021-06-08 |
Family
ID=76164086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110074502.9A Pending CN112924126A (en) | 2021-01-20 | 2021-01-20 | Aircraft tire landing impact test device and test method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112924126A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114778054A (en) * | 2022-03-17 | 2022-07-22 | 中国舰船研究设计中心 | Tire acceleration variable angle reverse impact test device |
| CN114878129A (en) * | 2022-07-07 | 2022-08-09 | 中国飞机强度研究所 | Airplane combined impact test device and method |
| CN116818254A (en) * | 2023-08-31 | 2023-09-29 | 枣庄科顺数码有限公司 | Computer detection equipment |
| CN117109861A (en) * | 2023-10-24 | 2023-11-24 | 中国飞机强度研究所 | System and method for measuring ground load and simulating heading speed of full-machine landing impact |
| CN117141743A (en) * | 2023-10-30 | 2023-12-01 | 中国飞机强度研究所 | Bearing and releasing device for full-aircraft drop test of aircraft |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060005939A (en) * | 2004-07-14 | 2006-01-18 | 금호타이어 주식회사 | Device and method for testing impact of aircraft tire |
| CN101532903A (en) * | 2009-04-08 | 2009-09-16 | 南京航空航天大学 | Drop test device for movable impact platform |
| CN202501971U (en) * | 2012-04-01 | 2012-10-24 | 昆山市创新科技检测仪器有限公司 | Tire impact testing machine |
| CN103728190A (en) * | 2013-12-30 | 2014-04-16 | 华侨大学 | Multi-angle drop-hammer impact testing device and test bench thereof |
| CN105444975A (en) * | 2016-01-05 | 2016-03-30 | 哈尔滨工业大学 | Multifunctional drop hammer impact test device |
| CN106940275A (en) * | 2017-03-22 | 2017-07-11 | 南京航空航天大学 | A kind of falling weight impact test plate grip platform and impact velocity measuring method |
| CN109115634A (en) * | 2018-10-17 | 2019-01-01 | 福州大学 | It can accurately measure the falling weight impact test platform and test method of shock loading and dynamic displacement |
| CN109580258A (en) * | 2019-01-24 | 2019-04-05 | 中汽研（天津）汽车工程研究院有限公司 | A kind of dynamic mechanical test macro of tire |
| CN109991021A (en) * | 2017-12-29 | 2019-07-09 | 上汽通用五菱汽车股份有限公司 | A kind of multi-angle tire dynamic rate experimental rig |
| CN110160898A (en) * | 2019-06-21 | 2019-08-23 | 青岛科技大学 | A kind of coating tire of resistance to belt speed apparatus for impact testing |
| CN111929019A (en) * | 2020-07-28 | 2020-11-13 | 中国飞机强度研究所 | Ground test device for simulating landing impact process of carrier-based aircraft undercarriage |
-
2021
- 2021-01-20 CN CN202110074502.9A patent/CN112924126A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060005939A (en) * | 2004-07-14 | 2006-01-18 | 금호타이어 주식회사 | Device and method for testing impact of aircraft tire |
| CN101532903A (en) * | 2009-04-08 | 2009-09-16 | 南京航空航天大学 | Drop test device for movable impact platform |
| CN202501971U (en) * | 2012-04-01 | 2012-10-24 | 昆山市创新科技检测仪器有限公司 | Tire impact testing machine |
| CN103728190A (en) * | 2013-12-30 | 2014-04-16 | 华侨大学 | Multi-angle drop-hammer impact testing device and test bench thereof |
| CN105444975A (en) * | 2016-01-05 | 2016-03-30 | 哈尔滨工业大学 | Multifunctional drop hammer impact test device |
| CN106940275A (en) * | 2017-03-22 | 2017-07-11 | 南京航空航天大学 | A kind of falling weight impact test plate grip platform and impact velocity measuring method |
| CN109991021A (en) * | 2017-12-29 | 2019-07-09 | 上汽通用五菱汽车股份有限公司 | A kind of multi-angle tire dynamic rate experimental rig |
| CN109115634A (en) * | 2018-10-17 | 2019-01-01 | 福州大学 | It can accurately measure the falling weight impact test platform and test method of shock loading and dynamic displacement |
| CN109580258A (en) * | 2019-01-24 | 2019-04-05 | 中汽研（天津）汽车工程研究院有限公司 | A kind of dynamic mechanical test macro of tire |
| CN110160898A (en) * | 2019-06-21 | 2019-08-23 | 青岛科技大学 | A kind of coating tire of resistance to belt speed apparatus for impact testing |
| CN111929019A (en) * | 2020-07-28 | 2020-11-13 | 中国飞机强度研究所 | Ground test device for simulating landing impact process of carrier-based aircraft undercarriage |
Non-Patent Citations (1)
| Title |
|---|
| 崔云化: "新型飞机着陆动载特性研究", 《计算机仿真》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114778054A (en) * | 2022-03-17 | 2022-07-22 | 中国舰船研究设计中心 | Tire acceleration variable angle reverse impact test device |
| CN114878129A (en) * | 2022-07-07 | 2022-08-09 | 中国飞机强度研究所 | Airplane combined impact test device and method |
| CN114878129B (en) * | 2022-07-07 | 2022-09-20 | 中国飞机强度研究所 | Airplane combined impact test device and method |
| CN116818254A (en) * | 2023-08-31 | 2023-09-29 | 枣庄科顺数码有限公司 | Computer detection equipment |
| CN117109861A (en) * | 2023-10-24 | 2023-11-24 | 中国飞机强度研究所 | System and method for measuring ground load and simulating heading speed of full-machine landing impact |
| CN117109861B (en) * | 2023-10-24 | 2024-01-09 | 中国飞机强度研究所 | System and method for measuring ground load and simulating heading speed of full-machine landing impact |
| CN117141743A (en) * | 2023-10-30 | 2023-12-01 | 中国飞机强度研究所 | Bearing and releasing device for full-aircraft drop test of aircraft |
| CN117141743B (en) * | 2023-10-30 | 2024-01-16 | 中国飞机强度研究所 | Bearing and releasing device for full-aircraft drop test of aircraft |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112924126A (en) | Aircraft tire landing impact test device and test method thereof | |
| CN105444975B (en) | A kind of multi-functional falling weight impact test device | |
| CN102680199B (en) | System and method for calibrating impact on feet of dummy for automobile collision | |
| CN215573665U (en) | Small landing gear drop test bed | |
| CN102175420A (en) | Two-degrees-of-freedom supporting system for wind tunnel test of airplane | |
| CN116902222B (en) | Belt rotating device and method suitable for single-wheel double-fork landing gear drop test of airplane | |
| CN109556883B (en) | Automobile unmanned experiment simulation collision measuring device | |
| CN109115514A (en) | A kind of adjustable-angle road imitation tester and method for testing electric car | |
| CN116986012A (en) | Device and method for landing gear running obstacle crossing impact test of carrier-based aircraft | |
| CN109991021A (en) | A kind of multi-angle tire dynamic rate experimental rig | |
| CN110816887B (en) | Test bench and test method for airplane wheel brake system | |
| CN114778054A (en) | Tire acceleration variable angle reverse impact test device | |
| CN209167504U (en) | A kind of device for detecting performance of hub motor for electric automobile | |
| CN203132498U (en) | Apparatus and system for wireless detection to automobile crank axle strain | |
| CN104655417A (en) | Device for testing high and low temperature performance of certain indexing mechanism of space station | |
| CN116296232A (en) | System, method and apparatus for testing windshield aerodynamic stability | |
| CN106908257A (en) | Steering test bench | |
| CN112051042A (en) | Hub extrusion test device and hub extrusion simulation analysis method | |
| CN201993219U (en) | Drop test machine of two-wheel electric vehicle | |
| CN211281523U (en) | Test bed for airplane wheel braking system | |
| CN114544409A (en) | Testing device and testing method for landing impact friction wear of aircraft tire | |
| CN208621289U (en) | A kind of low-speed wind tunnel car model detection device | |
| CN204065430U (en) | A kind of pick-up unit for index tests such as prohibited items safety check system Dynamic Vehicle base map image sharpness at the bottom of car | |
| CN104142221A (en) | Device for driving helicopter wheel to rotate | |
| CN117184444B (en) | Prediction test method for obstacle surmounting impact load of aviation aircraft tire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210608 |