CN111504659B - Multifunctional airport pavement single-wheel test loading frame - Google Patents
Multifunctional airport pavement single-wheel test loading frame Download PDFInfo
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- CN111504659B CN111504659B CN202010373270.2A CN202010373270A CN111504659B CN 111504659 B CN111504659 B CN 111504659B CN 202010373270 A CN202010373270 A CN 202010373270A CN 111504659 B CN111504659 B CN 111504659B
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 238000006073 displacement reaction Methods 0.000 claims abstract description 15
- 230000005570 vertical transmission Effects 0.000 claims abstract description 15
- 238000013016 damping Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
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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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/013—Wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
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Abstract
A multifunctional loading frame for single-wheel test of airport pavement. The airplane wheel vertical transmission system comprises a vertical loading basket, a limiting frame, a laser displacement sensor, an airplane wheel vertical transmission system and loading weights; the vertical transmission system of the airplane wheel comprises a main transmission bearing rod, a flange shaft sleeve, a damping spring, an airplane tire fixing frame, a fixed screw sleeve and an airplane tire main body. The invention has the following effects: the loading of the actual airplane tire is adopted, the loading is in accordance with the actual engineering, the multifunctional airplane tire has multiple functions, and the requirements of different pavement tests can be met. When loading weights are placed in the vertical loading basket, and the airplane wheel vertical transmission system and the vertical loading basket are lifted, an airport pavement vertical loading test can be carried out, and the wheel marks of different pavements can be researched; when the limiting frame is fixed on the ground through the foundation bolts, experimental analysis can be carried out on the horizontal stress of the tire main body of the airplane, for example, the influence of a blocking system is researched; when the limiting frame is lifted, the airplane tire main body can be used as a tire of the equipment, so that the equipment can be moved conveniently.
Description
Technical Field
The invention belongs to the technical field of airport engineering, and particularly relates to a multifunctional airport pavement single-wheel test loading frame.
Background
Civil aviation is an important component of the national transportation system and is developed rapidly. In 2018, the total turnover of transportation of China in civil aviation is 1206.4 hundred million tons of kilometers, the traffic of the same proportion is increased by 11.4 percent, the traffic of passengers is increased by 6.1 hundred million people, and the traffic of the same proportion is increased by 10.9 percent. By the forecast of 2035, the number of civil aviation airports in China is expected to increase from 235 in 2018 to 460, and the airport construction in China will face rapid development in the future.
In the airport construction process, the runway plays an important role as a main channel for taking off and landing of an aircraft, and the guarantee of the durability and the bearing capacity of the runway is an important content for constructing a safe airport. At present, the design theory of the airport runway mainly comes from the classical theory, and the design theory is different from the real working condition of the runway. The most reliable method for analyzing the stress state of the runway is to carry out a field test, however, the field test is not only very expensive but also difficult to realize due to the pressure of the airport operation after the airport runway is built. Therefore, it becomes important to develop a corresponding indoor model test device to perform test analysis on the stress state of the airport runway.
When testing the track soil foundation, a load plate test is generally adopted. However, in practice, there is an interaction between the airplane wheel and the road surface structure, so that a test means conforming to the actual engineering needs to be developed to analyze the vertical stress condition of the airport road surface and the horizontal load condition of the airplane tire.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a multifunctional airport pavement single-wheel test loading frame.
In order to achieve the aim, the multifunctional airport pavement single-wheel test loading frame provided by the invention comprises a vertical loading basket, a limiting frame, a laser displacement sensor, an airplane wheel vertical transmission system and loading weights; the limiting frame is of a table structure, the lower end of the limiting frame is fixed on the ground through foundation bolts, and an opening is formed in the middle of the top surface of the limiting frame; the vertical loading basket is arranged right above the limiting frame, and a loading weight is placed in the vertical loading basket; the airplane wheel vertical transmission system comprises a main transmission bearing rod, a flange shaft sleeve, a damping spring, an airplane tire fixing frame, a fixed screw sleeve and an airplane tire main body; the upper end of the main transmission bearing rod is connected to the middle of the bottom surface of the vertical loading basket, the middle of the main transmission bearing rod sequentially penetrates through a center hole of the flange shaft sleeve and an opening on the limiting frame from top to bottom, and the lower end of the main transmission bearing rod is connected with the upper end of the aircraft tire fixing frame through a fixing screw sleeve; the damping spring is sleeved on a main transmission bearing rod between the top surface of the limiting frame and the fixed screw sleeve; the central shaft of the airplane tire main body is connected to the lower end of the airplane tire fixing frame; the laser displacement sensor is arranged on the side face of the airplane tire fixing frame, and the vertical displacement of the airplane tire main body is measured by emitting laser to the limiting frame.
The vertical transmission system of the airplane wheel further comprises two auxiliary transmission bearing rods arranged on two sides of the main transmission bearing rod, the upper end of each auxiliary transmission bearing rod is fixed at the outer side of the bottom surface of the vertical loading basket, the middle part of each auxiliary transmission bearing rod penetrates through an opening in the limiting frame, the lower part of each auxiliary transmission bearing rod penetrates through the upper end of the airplane tire fixing frame, and the lower end of each auxiliary transmission bearing rod is fixed by nuts.
The vertical loading basket is a box body with a square steel structure.
The multifunctional airport pavement single-wheel test loading frame provided by the invention has the advantages and positive effects that: the method adopts the actual airplane tire loading, accords with the actual engineering, has multiple functions, and can meet the requirements of different road surface tests. When loading weights are placed in the vertical loading basket, and the airplane wheel vertical transmission system and the vertical loading basket are lifted, an airport pavement vertical loading test can be carried out, and the wheel marks of different pavements can be researched; when the limiting frame is fixed on the ground through the foundation bolts, experimental analysis can be carried out on the horizontal stress of the tire main body of the airplane, for example, the influence of a blocking system is researched; when the limiting frame is lifted, the airplane tire main body can be used as a tire of the equipment, so that the equipment can be moved conveniently.
Drawings
FIG. 1 is a general perspective view of a multifunctional airport pavement single-wheel test loading frame provided by the invention;
fig. 2 is a front view of the multifunctional airport pavement single-wheel test loading frame provided by the invention.
Detailed Description
For a further understanding of the invention, its nature and efficacy, the following examples are exemplified in conjunction with the accompanying drawings and detailed description:
as shown in fig. 1-2, the multifunctional airport pavement single-wheel test loading frame provided by the invention comprises a vertical loading basket 1, a limiting frame 2, a laser displacement sensor 9, an airplane wheel vertical transmission system 12 and a loading weight 14; the limiting frame 2 is of a table structure, the lower end of the limiting frame is fixed on the ground through foundation bolts 3, and an opening is formed in the middle of the top surface of the limiting frame; the vertical loading basket 1 is arranged right above the limiting frame 2, and a loading weight 14 is placed in the vertical loading basket; the airplane wheel vertical transmission system 12 comprises a main transmission bearing rod 4, a flange shaft sleeve 5, a damping spring 7, an airplane tire fixing frame 8, a fixing screw sleeve 11 and an airplane tire main body 10; the upper end of a main transmission bearing rod 4 is connected to the middle of the bottom surface of the vertical loading basket 1, the middle of the main transmission bearing rod sequentially penetrates through a center hole of the flange shaft sleeve 5 and an opening on the limiting frame 2 from top to bottom, and the lower end of the main transmission bearing rod is connected with the upper end of an aircraft tire fixing frame 8 through a fixing screw sleeve 11; the damping spring 7 is sleeved on the main transmission bearing rod 4 between the top surface of the limiting frame 2 and the fixed screw sleeve 11; the central shaft of the airplane tire main body 10 is connected with the lower end of the airplane tire fixing frame 8; the laser displacement sensor 9 is installed on the side surface of the aircraft tire fixing frame 8, and measures the vertical displacement of the aircraft tire main body 10 by emitting laser to the limit frame 2.
The airplane wheel vertical transmission system 12 further comprises two auxiliary transmission bearing rods 6 which are arranged on two sides of the main transmission bearing rod 4 and play a role in guiding, the upper end of each auxiliary transmission bearing rod 6 is fixed at the outer side of the bottom surface of the vertical loading basket 1, the middle part of each auxiliary transmission bearing rod penetrates through an opening in the limiting frame 2, the lower part of each auxiliary transmission bearing rod penetrates through the upper end of the airplane tire fixing frame 8, and the lower end of each auxiliary transmission bearing rod is fixed by nuts.
The vertical loading basket 1 is a box body with a square steel structure.
The working principle of the multifunctional airport pavement single-wheel test loading frame provided by the invention is illustrated as follows:
when an airport pavement vertical loading test needs to be carried out, firstly, the limiting frame 2 is lifted manually or mechanically, then the device is moved to a point position to be tested by the airplane tire main body 10, and then the limiting frame 2 is fixed on the ground by the foundation bolts 3; lifting the airplane wheel vertical transmission system 12 and the vertical loading basket 1 to a selected position, and reading the initial degree of the laser displacement sensor 9; then loading weights 14 are loaded into the vertical loading basket 1, at the moment, the main transmission bearing rod 4, the airplane tire fixing frame 8, the fixing screw sleeve 11 and the airplane tire main body 10 move downwards together, so that the upper load is transmitted to an airport pavement to be tested, the damping spring 7 is stretched in the process, the vertical displacement and the pavement stress of the laser displacement sensor 9 are recorded, and one-time testing is completed; and continuously increasing the weight of the loading weight 14 to carry out the next airport pavement vertical loading test. After the test is finished, the loading weight 14 is taken down from the vertical loading basket 1, and then the main transmission bearing rod 4, the airplane tire fixing frame 8, the fixing screw sleeve 11 and the airplane tire main body 10 move upwards together under the elastic restoring force of the damping spring 7 and the lifting action of the auxiliary jack, so that the airplane tire main body leaves the airport pavement.
When a horizontal arresting test of the airplane wheel is required, firstly, the limiting frame 2 is lifted manually or mechanically, then the airplane tire main body 10 is used for moving the device to a point position to be tested, and then the limiting frame 2 is fixed on the ground by using the foundation bolts 3; then, a loading weight 14 with fixed mass is loaded in the vertical loading basket 1, a horizontal movement mechanism 13 matched with the device is horizontally pulled below the airplane tire main body 10, and after the horizontal movement mechanism 13 and the arresting material in the horizontal movement mechanism are contacted with the airplane tire main body 10, the vertical displacement of the laser displacement sensor 9 and the stress of the airplane tire main body 10 are measured and recorded, so that one-time test is completed. And continuously increasing the weight of the loading weight 14 or changing the type of the arresting material in the horizontal movement mechanism 13 to carry out the next horizontal arresting test of the airplane wheel. After the test is completed, the loading weight 14 is taken down from the vertical loading basket 1, and then the main transmission bearing rod 4, the aircraft tire fixing frame 8, the fixing screw sleeve 11 and the aircraft tire main body 10 move upwards together under the elastic restoring force of the damping spring 7 and the lifting action of the auxiliary jack, thereby leaving the horizontal movement mechanism 13.
Claims (3)
1. The utility model provides a multi-functional airport pavement single round test loading frame which characterized in that: the multifunctional airport pavement single-wheel test loading frame comprises a vertical loading basket (1), a limiting frame (2), a laser displacement sensor (9), an airplane wheel vertical transmission system (12) and loading weights (14); the limiting frame (2) is of a table structure, the lower end of the limiting frame is fixed on the ground through foundation bolts (3), and an opening is formed in the middle of the top surface of the limiting frame; the vertical loading basket (1) is arranged right above the limiting frame (2), and a loading weight (14) is placed in the vertical loading basket; the airplane wheel vertical transmission system (12) comprises a main transmission bearing rod (4), a flange shaft sleeve (5), a damping spring (7), an airplane tire fixing frame (8), a fixing screw sleeve (11) and an airplane tire main body (10); the upper end of a main transmission bearing rod (4) is connected to the middle of the bottom surface of the vertical loading basket (1), the middle of the main transmission bearing rod penetrates through a center hole of the flange shaft sleeve (5) and an opening on the limiting frame (2) from top to bottom in sequence, and the lower end of the main transmission bearing rod is connected with the upper end of an aircraft tire fixing frame (8) through a fixing screw sleeve (11); the damping spring (7) is sleeved on the main transmission bearing rod (4) between the top surface of the limiting frame (2) and the fixed screw sleeve (11); the central shaft of the airplane tire main body (10) is connected to the lower end of the airplane tire fixing frame (8); the laser displacement sensor (9) is installed on the side face of the airplane tire fixing frame (8), and the vertical displacement of the airplane tire main body (10) is measured by emitting laser to the limiting frame (2).
2. The multi-functional airport pavement single-wheel test loading frame of claim 1, wherein: the vertical transmission system (12) of the airplane wheel further comprises two auxiliary transmission bearing rods (6) arranged on two sides of the main transmission bearing rod (4), the upper end of each auxiliary transmission bearing rod (6) is fixed at the outer side of the bottom surface of the vertical loading basket (1), the middle of each auxiliary transmission bearing rod penetrates through an opening in the limiting frame (2), the lower portion of each auxiliary transmission bearing rod penetrates through the upper end of the airplane tire fixing frame (8), and the lower end of each auxiliary transmission bearing rod is fixed through nuts.
3. The multi-functional airport pavement single-wheel test loading frame of claim 1, wherein: the vertical loading basket (1) is a box body with a square steel structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010373270.2A CN111504659B (en) | 2020-05-06 | 2020-05-06 | Multifunctional airport pavement single-wheel test loading frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010373270.2A CN111504659B (en) | 2020-05-06 | 2020-05-06 | Multifunctional airport pavement single-wheel test loading frame |
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| CN111504659A CN111504659A (en) | 2020-08-07 |
| CN111504659B true CN111504659B (en) | 2022-02-18 |
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| CN112340061B (en) * | 2020-12-08 | 2022-10-04 | 中航飞机起落架有限责任公司 | Loading method and loading device for static test of undercarriage wheel |
| CN113335565B (en) * | 2021-07-09 | 2023-11-28 | 中国飞机强度研究所 | Food vehicle rolling performance test platform for passenger cabin floor of civil passenger plane |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB741214A (en) * | 1953-10-30 | 1955-11-30 | Dunlop Rubber Co | A device for measuring tackiness |
| CN100458396C (en) * | 2006-12-15 | 2009-02-04 | 哈尔滨工业大学 | Multifunction test device for wheel motion performance of planetary detection robot |
| CN102854129B (en) * | 2012-08-06 | 2014-07-30 | 中国民航科学技术研究院 | Verification testing experiment device and experiment method for aircraft arresting systems |
| CN104048880B (en) * | 2014-07-01 | 2016-07-06 | 北京航空航天大学 | A kind of airfield runway three directional loads experimental system |
| CN104568568B (en) * | 2015-01-05 | 2018-04-24 | 温州大学 | A kind of multi-point exciting formula aircraft loads model test apparatus and its application process |
| CN205280389U (en) * | 2015-11-23 | 2016-06-01 | 西安航空制动科技有限公司 | Measure airborne equipment of aircraft tire decrement |
| CN205256649U (en) * | 2016-01-08 | 2016-05-25 | 黄伟 | Improvement structure of baby plane |
| CN108362638A (en) * | 2017-12-06 | 2018-08-03 | 中国飞机强度研究所 | A kind of arresting system dynamic energy absorption characteristics experimental provision and experimental method |
| CN108956354B (en) * | 2018-07-17 | 2020-12-11 | 巢湖威能光电科技有限公司 | Automobile tire abrasion resistance testing device |
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Application publication date: 20200807 Assignee: TIANJIN JIUYUE TECHNOLOGY Co.,Ltd. Assignor: CIVIL AVIATION University OF CHINA Contract record no.: X2024980001620 Denomination of invention: A multifunctional airport pavement single wheel test loading frame Granted publication date: 20220218 License type: Common License Record date: 20240130 |