CN107499533A - A kind of full machine drop test device and full machine drop-test method - Google Patents
A kind of full machine drop test device and full machine drop-test method Download PDFInfo
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- CN107499533A CN107499533A CN201710549969.8A CN201710549969A CN107499533A CN 107499533 A CN107499533 A CN 107499533A CN 201710549969 A CN201710549969 A CN 201710549969A CN 107499533 A CN107499533 A CN 107499533A
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- full machine
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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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- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of full machine drop test device and full machine drop-test method, it is related to aircraft drop-test technical field.The full machine drop test device includes：Supporting construction, the supporting construction are used to support full machine test model；Jacking system, the jacking system are fixed in the supporting construction, and the jacking system be connected with the full machine test model, for will the full machine test model from testing raked floor or by the machine test model entirely from aerial let-down；Force plate/platform, the force plate/platform are fixed on experiment ground, and the undercarriage arrangement of the corresponding full machine test model, for supporting the full machine test model from aerial let-down.The full machine drop-test method, the drop-test of full machine test model is completed using above-mentioned full machine drop test device.The advantage of the invention is that：The present invention can quickly adjust the posture of full machine test model, and simple in construction, manufacturing cost is low, be applicable to the full machine test model of different model.
Description
Technical field
The present invention relates to aircraft drop-test technical field, and in particular to a kind of full machine drop test device and full machine fall shake
Test method.
Background technology
In the full machine drop-test of aircraft, repeatedly adjustment aspect is needed for different tests operating mode.To meet aircraft not
With the installation requirement of attitude angle, need to be directed to test model size in current experiment both at home and abroad, complete to undercarriage installs fixture
Design, enable to simulate the test requirements document of undercarriage of the aircraft under different attitude angles.
Such a test method has following several features：First, such a method workload is very big, experimental design stage needs pair
Fixture carries out careful design, increases design efforts would；Secondly, it is necessary to carry out strength check to installs fixture, test fee is increased
With；Again, for different operating modes, needing frequently to adjust installs fixture fastener in experiment, such a fixture regulation is cumbersome, time-consuming,
Increase experiment work amount；Finally, such a attitude regulation mode expense is of a relatively high, tests time and debug time is longer.
The content of the invention
It is an object of the invention to provide a kind of full machine drop test device and full machine drop-test method, with solution or at least
Mitigate background technology in the presence of at least one at the problem of.
To achieve these goals, the technical solution adopted by the present invention is：A kind of full machine drop test device, bag are provided
Contain：
Supporting construction, the supporting construction are used to support full machine test model；
Jacking system, the jacking system are fixed in the supporting construction, and the jacking system is tested with the full machine
Model connects, for will the full machine test model from experiment raked floor or by the machine test model entirely from aerial let-down；
Force plate/platform, the force plate/platform are fixed on experiment ground, and the undercarriage of the corresponding full machine test model
Arrangement, for supporting the full machine test model from aerial let-down.
Preferably, the jacking system includes lifting lifting rope, lifting rope regulating block, electromagnet and regulation lifting rope；The lifting
Lifting rope one end is connected with actuating unit, and the other end is connected by the electromagnet with the lifting rope regulating block；The regulation lifting rope
One end is connected with the lifting rope regulating block, and the other end is connected with the full machine test model.
Preferably, the lifting rope regulating block includes adhesive portion and adjustment portion, and the adhesive portion is used to connect with the electromagnet
Connect, two through holes are provided with the adjustment portion, the axis of the through hole is mutually perpendicular to and in approximately the same plane.
Preferably, the regulation lifting rope includes two, wherein a regulation lifting rope is logical through one in the adjustment portion
Hole, both ends connect the both wings of the full machine test model respectively；Another regulation lifting rope passes through another in the adjustment portion
Through hole, both ends connect the head and tail of the full machine test model respectively.
Preferably, the full machine drop test device further include turnbuckle, equal on each regulation lifting rope
Comprising two turnbuckles, two turnbuckles are separately positioned on the both ends for the through hole that the regulation lifting rope passes through.
Present invention also offers a kind of full machine drop-test method, and branch is provided for full machine test model using supporting construction
Support, jacking system is arranged in the supporting construction, the jacking system is connected with the machine test model entirely, using described
Jacking system by the full machine test model from experiment raked floor or will the machine test model entirely from aerial let-down；Testing
Force plate/platform is set on ground with the undercarriage correspondence position of full machine test model, and the full machine test model falls from freedom of the air
On body to force plate/platform.
In above-mentioned full machine drop-test method, it is preferred that when carrying out full machine drop-test, connected using lifting rope is adjusted
The full machine test model and lifting rope regulating block, the posture of the full machine test model is adjusted by adjusting lifting rope；Electromagnetism Tie Tong
Cross magnetic force and hold the lifting rope regulating block；Lifting lifting rope is connected with electromagnet, and actuating unit is used for the full machine test model
Draw high to test height.
In above-mentioned full machine drop-test method, it is preferred that utilize a regulation lifting rope connection full machine test model
Both wings, by adjusting the position of the regulation lifting rope on lifting rope regulating block, adjust the roll angle of full machine test model；Utilize
Another regulation lifting rope connects the head and tail of full machine test model, and by adjusting the regulation lifting rope in lifting rope regulating block
On position, adjust the angle of pitch of full machine test model.
In above-mentioned full machine drop-test method, it is preferred that two regulation lifting ropes pass through the position on lifting rope regulating block
Fixed by clamping screw.
In above-mentioned full machine drop-test method, it is preferred that using turnbuckle to the roll angle of full machine test model and
The angle of pitch is adjusted.
The beneficial effects of the present invention are：
Full machine drop test device of the invention can quickly adjust the appearance of full machine test model with full machine drop-test method
State, simple in construction, manufacturing cost is low, is applicable to the full machine test model of different model.
Brief description of the drawings
Fig. 1 is the schematic diagram of the full machine drop test device of one embodiment of the invention.
Fig. 2 is the schematic diagram of the lifting rope regulating block and electromagnet shown in Fig. 1.
Fig. 3 is the schematic diagram of the lifting rope regulating block shown in Fig. 1.
Wherein, 1- supporting constructions, the full machine test models of 2-, 3- jacking systems, 31- lifting lifting ropes, 32- lifting rope regulating blocks,
321- adhesives portion, 322- adjustment portions, 33- electromagnet, 34- regulation lifting ropes, 4- force plate/platforms.
Embodiment
To make the purpose, technical scheme and advantage that the present invention is implemented clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label represent same or similar element or the element with same or like function.Described embodiment is the present invention
Part of the embodiment, rather than whole embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to uses
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Under
Embodiments of the invention are described in detail with reference to accompanying drawing for face.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, it is for only for ease of the description present invention and simplifies description, rather than instruction or the dress for implying meaning
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the present invention is protected
The limitation of scope.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of full machine drop test device, includes supporting construction 1, jacking system 3 and dynamometry
Platform 4.
Supporting construction 1 is used to support full machine test model 2, and in the present embodiment, supporting construction 1 is arranged to truss structure,
It the advantage is that simple in construction.It is understood that supporting construction 1 can also be set according to actual conditions, for example, standby at one
Select in embodiment, supporting construction selects the roof of test(ing) plant；In another alternative, supporting construction uses portal frame
Structure.
Jacking system 3 is fixed in supporting construction 1, and jacking system 3 is connected with full machine test model 2, for full machine to be tried
Model 2 is tested from experiment raked floor or by full machine test model from aerial let-down.In the present embodiment, jacking system 3, which includes, rises
Lifting rope 31, lifting rope regulating block 32, electromagnet 33 and regulation lifting rope 34 drop；One end of lifting lifting rope 31 is connected with actuating unit, separately
One end is connected by electromagnet 33 with lifting rope regulating block 32；One end of regulation lifting rope 34 is connected with lifting rope regulating block 32, the other end
It is connected with full machine test model 2.When needing full machine test model 2 being increased to test height, actuating unit pull-up liter is utilized
Lifting rope 31 drops, and lifting lifting rope 31 is by electromagnet by the full pull-up of machine test model 2 to test height.The actuating unit is hand
Winch, it the advantage is that, it is convenient accurately to control the sling height of full machine test model, and the appearance of full machine test model can be kept
State is stable.
It is understood that the actuating unit can also select other power sources according to actual conditions.For example, at one
In alternative, actuating unit uses electric winch, and electric winch is provided with stepless speed regulation structure, the advantage is that, can
With suitable for bigger full machine test model.
In the present embodiment, lifting rope regulating block 32 includes adhesive portion 321 and adjustment portion 322, and adhesive portion 321 is used for and electromagnetism
Iron 33 is connected, and two through holes are provided with adjustment portion 322, and the axis of the through hole is mutually perpendicular to and in approximately the same plane.Electricity
On magnet 33 after electricity, the adhesive portion of lifting rope regulating block 32 is held, by adjusting the full machine test model 2 of the pull-up of lifting rope 34；Work as electricity
After magnet power-off, electromagnet 33 separates with adhesive portion 321, full machine test model freely falling body.It the advantage is that, pass through electromagnet
Realize that full machine test model, will not under conditions of the full machine test model movement of falling object is met with lifting the connection of lifting rope
Other external force are produced to full machine test model, test accuracy is higher.
In the present embodiment, adjust lifting rope 34 and include two, wherein a regulation lifting rope is logical through one in adjustment portion
Hole, both ends connect the both wings (left wing and right flank) of full machine test model respectively；Another regulation lifting rope passes through another in adjustment portion
One through hole, both ends connect the head and tail of full machine test model respectively.By adjust full machine test model roll angle and
The angle of pitch adjusts the posture of full machine test model.When needing to adjust the roll angle of full machine test model, it is only necessary to pass through adjustment
Fixed position of the corresponding regulation lifting rope on lifting rope regulating block；When needing to adjust the angle of pitch of full machine test model, only need
Adjust fixed position of the corresponding regulation lifting rope on lifting rope regulating block.
In the present embodiment, adjust lifting rope and use four point attachment mode with full machine test model, and mould is tested in full machine
Connection suspension ring are provided with type, regulation lifting rope is connected with suspension ring.It is understood that according to full machine test model physical dimension
Difference, the diverse location of full machine test model can also be connected, for example, in an alternative embodiment, lifting rope regulating block passes through
A piece regulation lifting rope connection both wings, the correct position of forebody and rear body is connected to by another regulation lifting rope.
In the present embodiment, the through-bore axis that two regulation lifting ropes pass through on lifting rope regulating block is vertical, and axis is same
In one plane, it the advantage is that, the locking of two regulation lifting ropes is completed merely with a clamping screw can, and operation is more square
Just.It is understood that the through-bore axis that two regulation lifting ropes pass through on lifting rope regulating block also can not in the same plane, its
Advantage is, when adjusting single regulation lifting rope, it is not necessary to considers another regulation lifting rope.
In the present embodiment, the full machine drop test device further includes turnbuckle, and each is adjusted on lifting rope
Two turnbuckles are included, two turnbuckles are separately positioned on the both ends for the through hole that regulation lifting rope passes through.Its
Advantage is, after posture progress first successive step of the lifting rope to full machine test model is adjusted, can be carried out by flower basket bolt
Accurate adjustment, be advantageous to improve the precision of experiment.
Force plate/platform 4 is fixed on experiment ground, and the undercarriage arrangement of corresponding full machine test model 2, for support from
The full machine test model of aerial let-down, and detect the pressure value at undercarriage.
In the present embodiment, after according to the wheel axis center and ground distance that undercarriage is calculated, by the lead of corresponding length
It is viscous with each wheel axis center, being used as by plummet lifting rope with reference to the height for adjusting full machine test model, ensureing lead to hammer lifting rope into shape
Hammer lifting rope contacts to earth just.
Present invention also offers a kind of full machine drop-test method, is that full machine test model 2 provides branch using supporting construction 1
Support, jacking system 3 is arranged in the supporting construction 1, the jacking system 3 is connected with the full machine test model 2, is utilized
The jacking system 3 by the full machine test model 2 from experiment raked floor or will the machine test model entirely from aerial let-down；
Force plate/platform is set on experiment ground with the undercarriage correspondence position of full machine test model, and the full machine test model is from aerial
On freely falling body to force plate/platform.
In the present embodiment, when carrying out full machine drop-test, the full machine test model 2 is connected using lifting rope 34 is adjusted
With lifting rope regulating block 32, the posture of the full machine test model 2 is adjusted by adjusting lifting rope 34；Electromagnet 33 is held by magnetic force
The lifting rope regulating block 32；Lifting lifting rope 31 is connected with electromagnet 33, and actuating unit is used to draw high the full machine test model 2
To test height.
In the present embodiment, using the both wings of a regulation lifting rope connection full machine test model, by described in adjustment
Position of the lifting rope on lifting rope regulating block is adjusted, adjusts the roll angle of full machine test model；Utilize another regulation lifting rope connection
The head and tail of full machine test model, and by adjusting position of the regulation lifting rope on lifting rope regulating block, adjust full machine
The angle of pitch of test model.
In the present embodiment, two regulation lifting ropes are fixed by the position on lifting rope regulating block by clamping screw.
In the present embodiment, the roll angle and the angle of pitch of full machine test model are adjusted using turnbuckle.
When carrying out full machine drop-test, falling to shake and speed and fall to shake posture according to full machine drop-test model first, really
The angle of pitch and roll angle of fixed full machine test model.With reference to actual demand, liter calculation formula is risen/imitated according to without imitative, is calculated
Fall to shake height H；This H is highly minimum distance of the aero tyre bottom far from ground.Further according to angle of pitch α, roll angle β, it is determined that
Remaining several gear tyres are apart from ground distance.Finally consider wheel radius, obtain each wheel shaft centre distance ground level.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
The present invention is described in detail with reference to the foregoing embodiments for pipe, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from the essence of various embodiments of the present invention technical scheme
God and scope.
Claims (10)
1. a kind of full machine drop test device, it is characterised in that include：
Supporting construction (1), the supporting construction (1) are used to support full machine test model (2)；
Jacking system (3), the jacking system (3) are fixed in the supporting construction (1), the jacking system and the full machine
Test model (2) connects, for will the full machine test model from experiment raked floor or by the machine test model entirely from sky
Middle let-down；
Force plate/platform (4), the force plate/platform (4) are fixed on experiment ground, and of the corresponding full machine test model (2)
Fall frame arrangement, for supporting the full machine test model from aerial let-down.
2. full machine drop test device as claimed in claim 1, it is characterised in that：The jacking system (3) includes lifting hanger
Rope (31), lifting rope regulating block (32), electromagnet (33) and regulation lifting rope (34)；Described lifting lifting rope (31) one end and actuating unit
Connection, the other end are connected by the electromagnet (33) with the lifting rope regulating block (32)；It is described regulation lifting rope (34) one end with
Lifting rope regulating block (32) connection, the other end are connected with the full machine test model (2).
3. full machine drop test device as claimed in claim 2, it is characterised in that：The lifting rope regulating block (32) includes adhesive
Portion (321) and adjustment portion (322), the adhesive portion (321) are used to be connected with the electromagnet (33), the adjustment portion (322)
On be provided with two through holes, the axis of the through hole is mutually perpendicular to and in approximately the same plane.
4. full machine drop test device as claimed in claim 3, it is characterised in that：The regulation lifting rope (34) includes two,
For wherein one regulation lifting rope through a through hole in the adjustment portion, both ends connect the two of the full machine test model respectively
The wing；For another regulation lifting rope through another through hole in the adjustment portion, both ends connect the full machine test model respectively
Head and tail.
5. full machine drop test device as claimed in claim 4, it is characterised in that：The full machine drop test device is further
Comprising turnbuckle, two turnbuckles are included on each regulation lifting rope, two turnbuckles are set respectively
At the both ends for the through hole that the regulation lifting rope passes through.
A kind of 6. full machine drop-test method, it is characterised in that provide branch using supporting construction (1) for full machine test model (2)
Support, jacking system (3) is arranged in the supporting construction (1), the jacking system connects with the full machine test model (2)
Connect, using the jacking system (3) by the full machine test model from experiment raked floor or will the machine test model entirely from
Aerial let-down；Force plate/platform (4) is set with the undercarriage correspondence position of full machine test model (2) on experiment ground, it is described complete
Machine test model (2) is from freedom of the air falling bodies to force plate/platform (4).
7. full machine drop-test method as claimed in claim 6, it is characterised in that when carrying out full machine drop-test, utilize
Lifting rope (34) the connection full machine test model (2) and lifting rope regulating block (32) are adjusted, by adjusting described in lifting rope (34) regulation
The posture of full machine test model (2)；Electromagnet (33) holds the lifting rope regulating block (32) by magnetic force；Lift lifting rope (31) with
Electromagnet (33) connects, and actuating unit is used to draw high the full machine test model (2) to test height.
8. full machine drop-test method as claimed in claim 7, it is characterised in that described complete using a regulation lifting rope connection
The both wings of machine test model, by adjusting position of the regulation lifting rope on lifting rope regulating block, adjust full machine test model
Roll angle；The head and tail of full machine test model are connected using another regulation lifting rope, and by adjusting the regulation lifting rope
Position on lifting rope regulating block, adjust the angle of pitch of full machine test model.
9. full machine drop-test method as claimed in claim 8, it is characterised in that two regulation lifting ropes in lifting rope by adjusting
Position on block is fixed by clamping screw.
10. full machine drop-test method as claimed in claim 9, it is characterised in that mould is tested to full machine using turnbuckle
The roll angle and the angle of pitch of type are adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710549969.8A CN107499533A (en) | 2017-07-07 | 2017-07-07 | A kind of full machine drop test device and full machine drop-test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710549969.8A CN107499533A (en) | 2017-07-07 | 2017-07-07 | A kind of full machine drop test device and full machine drop-test method |
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| CN201710549969.8A Pending CN107499533A (en) | 2017-07-07 | 2017-07-07 | A kind of full machine drop test device and full machine drop-test method |
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| CN108716977A (en) * | 2018-05-07 | 2018-10-30 | 中国飞机强度研究所 | A kind of flexibility pose adjustment position control device |
| CN109131932A (en) * | 2018-08-09 | 2019-01-04 | 中国飞机强度研究所 | Aspect adjusts device and drop-test system |
| CN109827722A (en) * | 2019-01-25 | 2019-05-31 | 苏州为鹿测试技术有限公司 | The full machine intensity of fixed wing aircraft and modal test frame system |
| PL424857A1 (en) * | 2018-03-13 | 2019-09-23 | Politechnika Lubelska | Station and method for measuring forces acting on the aircraft landing gear ground wheel during touchdown |
| CN110887632A (en) * | 2019-12-09 | 2020-03-17 | 中航沈飞民用飞机有限责任公司 | Unmanned aerial vehicle whole machine drop test device and test method thereof |
| CN114878129A (en) * | 2022-07-07 | 2022-08-09 | 中国飞机强度研究所 | Airplane combined impact test device and method |
| CN116929818A (en) * | 2023-09-18 | 2023-10-24 | 中国飞机强度研究所 | Automatic resetting device and method for release lock of ship-based aircraft full-aircraft drop test |
| CN117030292A (en) * | 2023-10-08 | 2023-11-10 | 广东粤港澳大湾区黄埔材料研究院 | Shock-falling testing device for aerocar |
| CN117048846A (en) * | 2023-10-11 | 2023-11-14 | 中国飞机强度研究所 | Device and method for preventing aircraft from excessively sinking in full-aircraft drop test |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL424857A1 (en) * | 2018-03-13 | 2019-09-23 | Politechnika Lubelska | Station and method for measuring forces acting on the aircraft landing gear ground wheel during touchdown |
| CN108716977A (en) * | 2018-05-07 | 2018-10-30 | 中国飞机强度研究所 | A kind of flexibility pose adjustment position control device |
| CN109131932B (en) * | 2018-08-09 | 2022-02-22 | 中国飞机强度研究所 | Airplane attitude adjusting device and drop test system |
| CN109131932A (en) * | 2018-08-09 | 2019-01-04 | 中国飞机强度研究所 | Aspect adjusts device and drop-test system |
| CN109827722A (en) * | 2019-01-25 | 2019-05-31 | 苏州为鹿测试技术有限公司 | The full machine intensity of fixed wing aircraft and modal test frame system |
| CN110887632A (en) * | 2019-12-09 | 2020-03-17 | 中航沈飞民用飞机有限责任公司 | Unmanned aerial vehicle whole machine drop test device and test method thereof |
| CN110887632B (en) * | 2019-12-09 | 2021-09-21 | 中航沈飞民用飞机有限责任公司 | Unmanned aerial vehicle whole machine drop test device and test method thereof |
| 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 |
| CN116929818A (en) * | 2023-09-18 | 2023-10-24 | 中国飞机强度研究所 | Automatic resetting device and method for release lock of ship-based aircraft full-aircraft drop test |
| CN116929818B (en) * | 2023-09-18 | 2023-12-12 | 中国飞机强度研究所 | Automatic resetting device and method for release lock of ship-based aircraft full-aircraft drop test |
| CN117030292A (en) * | 2023-10-08 | 2023-11-10 | 广东粤港澳大湾区黄埔材料研究院 | Shock-falling testing device for aerocar |
| CN117048846A (en) * | 2023-10-11 | 2023-11-14 | 中国飞机强度研究所 | Device and method for preventing aircraft from excessively sinking in full-aircraft drop test |
| CN117048846B (en) * | 2023-10-11 | 2024-01-26 | 中国飞机强度研究所 | Device and method for preventing aircraft from excessively sinking in full-aircraft drop test |
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Application publication date: 20171222 |