CN110329539B - Movable bears device in aircraft wallboard compression shear test bench - Google Patents
Movable bears device in aircraft wallboard compression shear test bench Download PDFInfo
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- CN110329539B CN110329539B CN201910606245.1A CN201910606245A CN110329539B CN 110329539 B CN110329539 B CN 110329539B CN 201910606245 A CN201910606245 A CN 201910606245A CN 110329539 B CN110329539 B CN 110329539B
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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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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application belongs to aviation structural strength test field, in particular to movable bears device in aircraft wallboard compression shear test bench. The method comprises the following steps: the test bed, bear frame, positioning mechanism and actuating mechanism. The test bed comprises a supporting seat, the supporting seat is provided with a supporting part, the upper side of the supporting part is provided with a roller track along the loading direction, the supporting part is provided with a pin shaft hole, and the hole opening direction of the pin shaft hole is vertical to the loading direction; the bearing frame is provided with a shoulder part and a main body part, the lower side of the shoulder part is provided with a walking roller wheel, the walking roller wheel is arranged in a roller wheel track of the supporting part, and the main body part is provided with a positioning hole matched with the pin shaft hole; the positioning mechanism comprises a lifter and a positioning pin, the lifter is arranged in the positioning hole of the main body part, and the lifter can drive the positioning pin to move between a withdrawing position and an extending position; the driving mechanism is arranged at the bottom of the main body part of the bearing frame and used for driving the bearing frame to move along the loading direction.
Description
Technical Field
The application belongs to aviation structural strength test field, in particular to movable bears device in aircraft wallboard compression shear test bench.
Background
The wall plates of different types of airplanes have different sizes and different course lengths. The aircraft panel compression shear load strength test is generally completed by developing a special test bed, and the test bed mainly comprises a supporting seat, a bearing device, a loading head and the like. During testing, one end head (course) of the wall plate is arranged on the bearing device and is a fixed end of a test piece; the other end (course) is mounted on a loading head, and the loading head applies compression and shear loads to the wall plate. Bear device in the present wallboard compression shear test bench mostly is a whole with the supporting seat, and wallboard test piece course installation space is fixed dimension, and the test bench can only be applicable to the load test of a size wallboard, and is experimental to the wallboard of unidimensional, need design special fixture or research and development not unidimensional test bench, and test cycle is longer, and economic cost is great.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The application aims to provide a movable bears device in aircraft wallboard compression shear test bench to solve at least one problem that prior art exists.
The technical scheme of the application is as follows:
the utility model provides a movable bears device in aircraft wallboard compression shear test bench, includes:
the test bed comprises a supporting seat, the supporting seat is provided with a supporting part, a roller track is arranged on the upper side of the supporting part along the loading direction, a pin shaft hole is formed in the supporting part, and the hole forming direction of the pin shaft hole is perpendicular to the loading direction;
the bearing frame is provided with a shoulder part and a main body part, a walking roller is arranged on the lower side of the shoulder part and is installed in the roller track of the supporting part, and the main body part is provided with a positioning hole matched with the pin shaft hole;
the positioning mechanism comprises a lifter and a positioning pin, the lifter is arranged in the positioning hole of the main body part, the lifter can drive the positioning pin to move between a withdrawing position and an extending position, the positioning pin is withdrawn into the positioning hole of the main body part at the withdrawing position, and the positioning pin extends out of the positioning hole of the main body part to the pin shaft hole at the extending position;
the driving mechanism is mounted at the bottom of the main body part of the bearing frame and used for driving the bearing frame to move along the loading direction.
Optionally, the supporting part includes an upper supporting part and a lower supporting part, the upper side of the upper supporting part is provided with a roller rail along the loading direction, and the upper supporting part and the lower supporting part are both provided with a pin shaft hole.
Optionally, the traveling roller is installed in a roller rail of the upper support.
Optionally, the pin shaft hole is provided with a plurality of pins on the upper supporting part and the lower supporting part along the loading direction.
Optionally, two positioning holes are formed on both sides of the main body portion, and are respectively matched with the pin shaft holes on the upper supporting portion and the lower supporting portion.
Optionally, the elevator of the positioning mechanism includes a first motor, a worm gear, and a worm, and the worm is connected to the positioning pin through a joint bearing.
Optionally, the bearing frame further comprises two limiting parts, wherein the two limiting parts are respectively arranged on two sides of the main body part of the bearing frame and matched with the upper supporting part, and are used for preventing the bearing frame from deviating when moving.
Optionally, the supporting seat has a bottom cross beam, a rack rail is arranged on the bottom cross beam along a loading direction, the driving mechanism includes a gear and a power mechanism, the gear and the power mechanism are arranged at the bottom of the main body portion of the bearing frame, and the power mechanism can drive the gear to move along the rack rail.
Optionally, the motion mode of the drive mechanism includes a continuous motion mode and a jog motion mode.
Optionally, the power mechanism includes a second motor and a speed reducer, and the speed reducer is connected to the gear.
The invention has at least the following beneficial technical effects:
the movable bearing device in the aircraft panel compression-shear test bed is suitable for loading tests of panels with different sizes, so that the problem that test loading devices or special tools with different sizes are designed for the panels with different lengths is avoided, and the cost is saved; the movement of the bearing device is realized by adopting the walking rollers, the movement resistance is rolling friction force, and the movement resistance of the bearing device is greatly reduced; the positioning mechanism can quickly fix the bearing device.
Drawings
FIG. 1 is a front view of a movable carrier in an aircraft panel compression shear test stand according to one embodiment of the present application;
fig. 2 is a left side view of a movable carrier in an aircraft panel compression shear test stand according to an embodiment of the present application.
Wherein:
1-a load-bearing frame; 2-a walking roller; 3-a limiting part; 4-a positioning mechanism; 5-a drive mechanism; 6-a support seat; 61-an upper support portion; 62-a lower support; 7-test piece; 8-a loading head; 9-pin shaft hole.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present application and should not be construed as limiting the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.
The present application is described in further detail below with reference to fig. 1-2.
The application provides movable bears device in aircraft wallboard compression shear test bench, include: the test bed, the bearing frame 1, the positioning mechanism 4 and the driving mechanism 5.
Specifically, the test bed comprises a supporting seat 6, the supporting seat 6 is provided with a supporting part, a roller track is arranged on the upper side of the supporting part along the loading direction, a pin shaft hole 9 is formed in the supporting part, and the hole forming direction of the pin shaft hole 9 is perpendicular to the loading direction; the bearing frame 1 is provided with a shoulder part and a main body part, the lower side of the shoulder part is provided with a walking roller 2, the walking roller 2 is arranged in a roller track of the supporting part, and the main body part is provided with a positioning hole matched with the pin shaft hole 9; the positioning mechanism 4 comprises a lifter and a positioning pin, the lifter is arranged in the positioning hole of the main body part, the lifter can drive the positioning pin to move between a withdrawing position and an extending position, the positioning pin is withdrawn into the positioning hole of the main body part at the withdrawing position, and the positioning pin extends into the pin shaft hole 9 from the positioning hole of the main body part at the extending position; the driving mechanism 5 is installed at the bottom of the main body portion of the carrying frame 1, and is used for driving the carrying frame 1 to move along the loading direction.
In one embodiment of the present application, the support portion of the support base 6 includes an upper support portion 61 and a lower support portion 62, an upper side of the upper support portion 61 is provided with a roller rail in a loading direction, the walking rollers 2 of a lower side of the shoulder are installed in the roller rail of the upper support portion 61, and the shoulder can support a self weight of the carrying device. A plurality of pin shaft holes 9 are formed in the upper support part 61 and the lower support part 62 along the loading direction. Two locating holes are respectively formed in two sides of the main body part of the bearing frame 1, the locating holes are respectively corresponding to pin shaft holes 9 in the upper supporting part 61 and the lower supporting part 62, the locating mechanism 4 comprises four sets of locating holes which are respectively arranged in the locating holes of the main body part, the lifter of the locating mechanism 4 comprises a first motor, a turbine and a worm, the worm is hinged with the locating pin through a joint bearing, the locating pin can be driven by the lifter to stretch out of the corresponding pin shaft holes 9 through the locating holes, and the end of the locating pin is conical so as to be convenient for locating and centering.
In one embodiment of the present application, two sides of the main body of the carrying frame 1 are respectively provided with a limiting portion 3 for preventing the carrying frame 1 from side deviation when moving. In this embodiment, the two limiting portions 3 are respectively disposed on two sides of the main body portion of the carrying frame 1, and are matched with the upper supporting portion 61.
In one embodiment of the present application, the driving mechanism 5 adopts a rack and pinion driving manner to provide power for the carriage to walk. In this embodiment. The supporting seat 6 is provided with a bottom cross beam, a rack rail is arranged on the bottom cross beam along the loading direction, the driving mechanism 5 comprises a gear and a power mechanism, the gear and the power mechanism are arranged at the bottom of the main body part of the bearing frame 1, and the power mechanism can drive the gear to move along the rack rail. The movement modes of the driving mechanism 5 include a continuous movement mode for roughly adjusting the position of the carrying device and a jog movement mode for finely adjusting the position of the carrying device. The power mechanism comprises a second motor and a speed reducer, the speed reducer is connected with the gear, and control logic is arranged in a controller connected with the second motor, so that the driving mechanism 5 can realize two motion modes. The rack rail on the supporting seat 6 has a limiting function, the walking direction of the bearing device is restrained, and the bearing device can be prevented from lateral deviation and torsion during walking.
In the aircraft panel compression shear test bench of an embodiment of the application, loading head 8 sets up on test bench supporting seat 6, and the one end of test piece 7 is installed on movable load-bearing device, and the other end carries out the loading through loading head 8. Switching a driving mechanism 5 of the movable bearing device to a continuous motion mode, driving the movable bearing device to move by the driving mechanism 5, and stopping moving after the movable bearing device moves to a target gear; switching the motion mode of the driving mechanism 5 to a inching motion mode, and finely adjusting the position of the movable bearing device to enable the axis of a positioning pin of the positioning mechanism 4 to be aligned with the axis of a pin shaft hole 9 of the supporting seat 6; the positioning pins are inserted into the pin shaft holes 9 of the upper support part 61 and the lower support part 62, and after all four positioning pins are inserted, the movable bearing device is fixed. When the gear of the movable bearing device is replaced, the four positioning pins are sequentially pulled out from the pin shaft holes 9 and retracted to the original positions, and the movable bearing device can move at the moment.
The movable bearing device in the aircraft panel compression shear test bed enables the aircraft panel compression shear test bed to adapt to loading tests of panels with different sizes, avoids designing test loading devices or special tools with different sizes aiming at the panels with different lengths, and saves cost; the movement of the bearing device is realized by adopting the walking rollers, and the movement resistance is rolling friction force, so that the movement resistance of the bearing device is greatly reduced; the positioning mechanism can quickly fix the bearing device, and the end of the positioning pin is of a conical structure, so that the positioning and centering are facilitated; through the double spacing of spacing portion and actuating mechanism track, restraint load bearing device walking direction prevents that load bearing device from taking place the sideslip and twisting when walking.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a device is born to movable in aircraft wallboard compression shear test bench which characterized in that includes:
the test bed comprises a supporting seat (6), the supporting seat (6) is provided with a supporting part, a roller track is arranged on the upper side of the supporting part along the loading direction, a pin shaft hole (9) is formed in the supporting part, and the hole opening direction of the pin shaft hole (9) is perpendicular to the loading direction;
the bearing frame (1) is provided with a shoulder part and a main body part, a walking roller (2) is arranged on the lower side of the shoulder part, the walking roller (2) is installed in a roller rail of the supporting part, and the main body part is provided with a positioning hole matched with the pin shaft hole (9);
the positioning mechanism (4) comprises a lifter and a positioning pin, the lifter is arranged in the positioning hole of the main body part, the lifter can drive the positioning pin to move between a withdrawing position and an extending position, the positioning pin is withdrawn into the positioning hole of the main body part at the withdrawing position, and the positioning pin extends out of the positioning hole of the main body part to the pin shaft hole (9) at the extending position;
the driving mechanism (5) is installed at the bottom of the main body part of the bearing frame (1) and used for driving the bearing frame (1) to move along the loading direction.
2. The movable bearing device in the aircraft panel compression shear test stand according to claim 1, wherein the support part comprises an upper support part (61) and a lower support part (62), a roller rail is arranged on the upper side of the upper support part (61) along the loading direction, and pin shaft holes (9) are formed in the upper support part (61) and the lower support part (62).
3. The movable carrier in an aircraft panel compression shear test stand according to claim 2, wherein the walking rollers (2) are mounted in roller tracks of the upper support (61).
4. The movable carrier in an aircraft panel compression shear test stand according to claim 2, wherein the pin shaft holes (9) are opened in plural in the loading direction on both the upper support (61) and the lower support (62).
5. The movable bearing device in the aircraft panel compression shear test stand according to claim 4, wherein two positioning holes are formed on both sides of the main body part and respectively matched with the pin shaft holes (9) on the upper support part (61) and the lower support part (62).
6. The movable carrying device in the aircraft panel compression shear test stand of claim 5, wherein the elevator of the positioning mechanism (4) comprises a first motor, a worm gear and a worm, and the worm is connected with the positioning pin through a joint bearing.
7. The movable bearing device in the aircraft panel compression shear test stand according to claim 2, further comprising two limiting parts (3), wherein the two limiting parts (3) are respectively arranged on two sides of the main body part of the bearing frame (1) and are matched with the upper supporting part (61) for preventing the bearing frame (1) from lateral deviation when moving.
8. The movable carrying device in the aircraft panel compression shear test stand according to claim 1, wherein the supporting seat (6) has a bottom cross beam, a rack rail is disposed on the bottom cross beam along a loading direction, the driving mechanism (5) comprises a gear and a power mechanism, the gear and the power mechanism are disposed at the bottom of the main body portion of the carrying frame (1), and the power mechanism can drive the gear to move along the rack rail.
9. The movable carrier in an aircraft panel compression shear test stand according to claim 8, wherein the modes of motion of the drive mechanism (5) include a continuous mode of motion and a jog mode of motion.
10. The movable carrying device in the aircraft panel compression-shear test stand of claim 9, wherein the power mechanism comprises a second motor and a speed reducer, and the speed reducer is connected with the gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910606245.1A CN110329539B (en) | 2019-07-05 | 2019-07-05 | Movable bears device in aircraft wallboard compression shear test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910606245.1A CN110329539B (en) | 2019-07-05 | 2019-07-05 | Movable bears device in aircraft wallboard compression shear test bench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110329539A CN110329539A (en) | 2019-10-15 |
| CN110329539B true CN110329539B (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910606245.1A Active CN110329539B (en) | 2019-07-05 | 2019-07-05 | Movable bears device in aircraft wallboard compression shear test bench |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB932137A (en) * | 1960-08-12 | 1963-07-24 | Carl Schenck Masahinenfabrik G | A test bed for motor vehicles |
| KR100336072B1 (en) * | 1999-12-15 | 2002-05-10 | 김윤규, 정주영, 심옥진, 정몽헌 | Rock joint surface profile measuring apparatus |
| CN103033418B (en) * | 2012-12-10 | 2015-04-29 | 中国飞机强度研究所 | Test device capable of evenly applying axial compression load and shearing load |
| CN103149075B (en) * | 2012-12-10 | 2015-01-28 | 中国飞机强度研究所 | Strength testing device and testing method for fuselage wall plate under action of combined loads |
| CN103454151A (en) * | 2013-08-20 | 2013-12-18 | 中国商用飞机有限责任公司 | Composite compression-shear loading testing device |
| CN104697845B (en) * | 2013-12-06 | 2017-06-06 | 中国飞机强度研究所 | Fuselage wallboard static(al)/fatigue/damage tolerance test loading system |
| CN104807694B (en) * | 2015-05-04 | 2018-01-30 | 中国飞机强度研究所 | A kind of fuselage wallboard combined load experimental rig |
| CN105043899B (en) * | 2015-05-13 | 2018-06-12 | 中国飞机强度研究所 | A kind of aircraft large size siding shears loading device |
| CN108082531B (en) * | 2017-12-20 | 2021-04-27 | 西北工业大学 | Reconfigurable aircraft wall plate assembling device |
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- 2019-07-05 CN CN201910606245.1A patent/CN110329539B/en active Active
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| CN110329539A (en) | 2019-10-15 |
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Inventor after: Zhao Tonglai Inventor after: Yang Wugang Inventor after: Wang Lan Inventor after: Li Bibo Inventor after: Cui Xiong Inventor after: Chen Kang Inventor after: Tan Lei Inventor after: Wu Lin Inventor before: Zhao Tonglai Inventor before: Yang Wugang Inventor before: Wang Lan Inventor before: Li Bibo Inventor before: Cui Xiong Inventor before: Chen Kang |
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