CN107600458A - Inertial load simulation test device and system - Google Patents
Inertial load simulation test device and system Download PDFInfo
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- CN107600458A CN107600458A CN201710781299.2A CN201710781299A CN107600458A CN 107600458 A CN107600458 A CN 107600458A CN 201710781299 A CN201710781299 A CN 201710781299A CN 107600458 A CN107600458 A CN 107600458A
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Abstract
The present invention proposes a kind of inertial load simulation test device, and the inertial load simulation test device includes fixed plate, the first movable plate, one or more elastic parts and at least one pull bar；Fixed plate is fixedly installed, and at least one first through hole is provided with fixed plate；First movable plate can move and parallel with fixed plate；One or more elastic parts are sequentially connected between the first movable plate and fixed plate, and at least one second through hole is provided with elastic parts；The first movable plate is fixed in one end of at least one pull bar, and its other end, which sequentially passes through the second through hole and first through hole and stretches out in fixed plate, to be used to receive pulling force；Elastic parts produces inertial load under the pulling force effect of pull bar, and pulling force discharges inertial load after disappearing.Make analog reslt more accurate using the simulation test device.
Description
Technical field
The present invention relates to modelling technique field, more particularly to a kind of inertial load simulation test device and inertial load
Simulation experiment system.
Background technology
With the development of aircraft carrier, the technology of carrier-borne aircraft and correlation there has also been certain development.Due to material property, processing
The restriction of the factors such as technique, manufacturing cost and mobility and defense, the basic specification of aircraft carrier have fixed, aircraft carrier
Flight-deck limited length, safe take-off of the carrier-borne aircraft on aircraft carrier and landing are, it is necessary in catapult-launching gear or arresting gear
Lower progress is assisted, still, blocking load or ejection load can have a certain impact for carrier-borne aircraft fuselage, carrier-borne in order to ensure
The safety of machine to carrier-borne aircraft, it is necessary to carry out inertial load simulated test.
At present, inertial load simulated test mode is all by the way of static loading, shown in reference picture 1 in the prior art
Inertial load simulated test scheme schematic diagram, the fuselage one end of carrier-borne aircraft 14 is constrained and fixed, and the load application point of the other end leads to
Cross rope 15 to be connected with pressurized strut 11, loaded by pressurized strut 11 to fuselage.But load or ejection are blocked in real process
To carrier-borne aircraft 14, the blocking for land on aircraft carrier is with acceleration a to load.The inertial load that fuselage is born is calculated, using great Lang
Bel's principle, the inertial load F that fuselage is born are：
F=(M1+M2+M3) * a+T,
In formula, M1A is nosing for the inertial load of fuselage, M3A is aft body for the inertial load of fuselage, T
The inertial load born for motor power, F for fuselage, M2By survey frame sections quality.Made according to accelerating curve
The loading curve of dynamic cylinder, carries out static loading simulation, and inertial load is tested conversion for slow test, loading by such mode
Mode can not react real inertial load problem, and this can reduce the accuracy of result of the test.
Therefore, it is necessary to study a kind of new inertial load simulation test device and system.
Above- mentioned information disclosed in the background section is only used for strengthening the understanding of the background to the present invention, therefore it can
With including not formed the information to prior art known to persons of ordinary skill in the art.
The content of the invention
It is an object of the invention to overcome at least one deficiency of above-mentioned prior art, there is provided a kind of inertial load simulation examination
Experiment device and inertial load simulation experiment system.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will be from description
It is apparent from, or can be by the practice of the present invention and acquistion.
According to an aspect of this disclosure, there is provided a kind of inertial load simulation test device, including：
Fixed plate, it is fixedly installed, at least one first through hole is provided with the fixed plate；
First movable plate, it can move and parallel with the fixed plate；
One or more elastic parts, it is sequentially connected between first movable plate and fixed plate, the elastic parts
On be provided with least one second through hole；
At least one pull bar, its one end are fixed on first movable plate, and its other end sequentially passes through second through hole
And the first through hole and stretch out in the fixed plate be used for receive pulling force；
The elastic parts produces inertial load under the pulling force effect of the pull bar, and pulling force discharges the inertia after disappearing
Load.
In a kind of exemplary embodiment of the disclosure, the elastic parts includes：
Second movable plate, it is be arranged in parallel with first movable plate, second through hole is arranged at second movable plate
On；
Multiple springs, it is fixed on side by side on second movable plate.
In a kind of exemplary embodiment of the disclosure, the inertial load simulation test device also includes：
Guiding mechanism, for being oriented to first movable plate and second movable plate.
In a kind of exemplary embodiment of the disclosure, the guiding mechanism includes：
Multiple guide grooves, are fixed on ground, and its guide direction is consistent with the moving direction of first movable plate；
Multiple guide wheels, coordinate with the guide groove, on first movable plate and second movable plate.
In a kind of exemplary embodiment of the disclosure, the elastic parts includes multiple springs, and the pull bar is multiple
And its number is identical with the number of the spring included by an elastic parts；The first through hole and second through hole are more
Individual and its number is identical with the number of the spring included by an elastic parts, the first through hole and second through hole with
The spring is set with central shaft, and the pull bar runs through the spring.
In a kind of exemplary embodiment of the disclosure, the inertial load simulation test device also includes：
Multiple sleeves, it is sheathed in the first through hole and second through hole, the pull bar runs through the sleeve, institute
The end that sleeve is stated with the spring is fixedly connected.
In a kind of exemplary embodiment of the disclosure, the inertial load simulation test device also includes：
Multiple bearings, in the first through hole and second through hole, the pull bar is arranged in the bearing.
In a kind of exemplary embodiment of the disclosure, the inertial load simulation test device also includes：
Firm banking, including bedplate and floor, the bedplate are connected with fixed plate, and the floor is connected to described
Between bedplate and fixed plate, the bedplate is used to fix with ground.
According to an aspect of this disclosure, there is provided a kind of inertial load simulation experiment system, including：
Inertial load simulation test device described in above-mentioned any one；
Pressurized strut, for applying pulling force to the pull bar；
Head rod, it is connected between the pressurized strut and the pull bar, the head rod is drawn by pressurized strut
Power makes the inertial load simulation test device release inertial load after disconnecting；
Second connecting rod, it is connected between first movable plate and product to be tested.
In a kind of exemplary embodiment of the disclosure, the inertial load simulation experiment system also includes：
Multiple foil gauges, on product to be tested, for monitoring the change of each several part of the product to be tested in boost phase
Shape；
Acceleration transducer, on the product to be tested, for monitoring acceleration of the product to be tested in boost phase
Degree change；
Dynamic strain indicator, electrically connected with the acceleration transducer and multiple foil gauges, for gathering described add
The measurement data of velocity sensor and multiple foil gauges carries out dynamic strain measurement with the deformation to the product to be tested.
As shown from the above technical solution, the present invention possesses at least one of advantages below and good effect：
The inertial load simulation test device and inertial load simulation experiment system of the present invention, including fixed plate and first are moved
Dynamic plate, and the one or more elastic parts being arranged between fixed plate and the first movable plate, in addition to it is fixedly connected on the
One movable plate simultaneously runs through one or more elastic parts and the pull bar of fixed plate；First movable plate is pulled by pull bar, makes first
Movable plate produces inertial load with fixed plate extruding elastic parts, and release pull bar back pull, which disappears, carries elastic parts release inertia
Lotus.On the one hand, the inertial load is not basic load, can accurate simulation block load or ejection load carrier-borne aircraft is being navigated
Land block power on mother, make the analog reslt more accurate；On the other hand, inertial load principle is produced by elastic parts
Simply, it is easy to implement.
Brief description of the drawings
Its example embodiment is described in detail by referring to accompanying drawing, above and other feature and advantage of the invention will become
It is more obvious.
Fig. 1 is inertial load simulated test scheme schematic diagram in the prior art；
The structural representation of Fig. 2 embodiments of inertial load simulation test device one of the present invention；
Fig. 3 is the structural representation of the second movable plate in Fig. 2；
Fig. 4 is Fig. 3 right schematic side view of complete section；
Fig. 5 is the acceleration time graph during carrier-borne aircraft blocks；
Fig. 6 is the pulling force time graph during carrier-borne aircraft blocks；
Fig. 7 is the structural representation of the embodiment of inertial load simulation experiment system one of the present invention；
Fig. 8 is fuselage acceleration with displacement changing curve；
Fig. 9 is fuselage acceleration versus time curve.
Main element description of reference numerals is as follows in figure：1st, the first movable plate；2nd, fixed plate；3rd, elastic parts；3a, first
Elastic parts；3b, the second elastic parts；3c, the 3rd elastic parts；31st, the second movable plate；32nd, spring；4th, pull bar；5th, it is fixed
Base；51st, bedplate；52nd, floor；6th, guide groove；7th, guide wheel；8th, sleeve；9th, bearing；10th, inertial load simulation test device；
11st, pressurized strut；12nd, head rod；13rd, the second connecting rod；14 carrier-borne aircrafts；15th, rope.
Embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, these embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Identical accompanying drawing in figure
Mark represents same or similar structure, thus will omit their detailed description.
The structural representation of the embodiment of inertial load simulation test device one shown in reference picture 2, the invention provides
A kind of inertial load simulation test device, the experimental rig can be used for simulating catapult-launching gear or arresting gear is applied to carrier-borne aircraft
Add inertial load.The experimental rig can include the first movable plate 1, fixed plate 2, one or more elastic parts 3 and at least
One pull bar 4 etc..The inertial load simulation test device 10 of this example embodiment is generally laterally set, according to application
The needs of inertial load, the simulation test device also can be vertically arranged or are obliquely installed.
Fixed plate 2 is fixedly installed, and at least one first through hole is provided with the fixed plate 2；In this example embodiment
In, fixed plate 2 is arranged to square plate, and five first through hole are provided with fixed plate 2, are symmetrically arranged at the four of fixed plate 2
Individual corner and middle part.Fixed plate 2 is fixedly installed by firm banking 5, and firm banking 5 includes bedplate 51 and floor 52, institute
State bedplate 51 and form " L " font with the vertical connection of fixed plate 2, the floor 52 is connected to the bedplate 51 and fixed plate 2
Between, floor 52 is arranged to right angled triangle, and two right-angle sides of floor 52 are fixed with bedplate 51 and fixed plate 2 respectively to be connected
Connect, floor 52 can increase the stability that bedplate 51 is connected with fixed plate 2.In addition, the quantity of first through hole, fixed plate 2
Fixed form and the structure of firm banking 5 are not limited to foregoing description, such as firm banking 5 can also include riser, riser and institute
Fixed plate 2 is stated to be fixedly connected, the riser is connected with bedplate 51, the floor 52 be connected to the riser and bedplate 51 it
Between, the bedplate 51 is used to fix with ground.The bedplate 51 can also form inverted with the vertical connection of fixed plate 2
" T " font.The quantity of first through hole is needed to close with the cooperating number of pull bar 4, and the number of pull bar 4 can be determined according to the pulling force of setting
The quantity of amount and first through hole.Fixed plate 2 is it can also be provided that rectangle, circle, trapezoidal etc..
First movable plate 1 can move and parallel with the fixed plate 2；In this example embodiment, the first movable plate 1
The square plate consistent with fixed plate 2 is also configured as, the first movable plate 1 is it can also be provided that rectangle, circle, trapezoidal etc..
One or more elastic parts 3 are sequentially connected between first movable plate 1 and fixed plate 2, described elastic group
At least one second through hole is provided with part 3.In this example embodiment, three elastic parts 3 are provided with, three elastic group
Part 3 is sequentially connected in series between the first movable plate 1 and fixed plate 2.Specifically, three elastic parts 3 are respectively first group
Elastic parts 3a, second group of elastic parts 3b and the 3rd group of elastic parts 3c, first group of elastic parts 3a spring 32 are fixed
The first movable plate 1 is connected to, second group of elastic parts 3b spring 32 is fixedly connected on the second of first group of elastic parts 3a and moved
Dynamic plate 31, the 3rd group of elastic parts 3c spring 32 are fixedly connected on second group of elastic parts 3b the second movable plate 31, and the 3rd
Group elastic parts 3c the second movable plate 31 is fixedly connected on fixed plate 2.The number of certain elastic parts 3 could be arranged to one
It is individual, two or more, it is necessary to determined according to inertial load to be provided, the elastic parts required for inertial load is bigger
3 number is comparatively more, naturally it is also possible to improves inertial load by improving the elastic force of single elastic parts 3 to reach
Purpose.
The elastic parts 3 includes the second movable plate 31 and multiple springs 32, and the second movable plate 31 moves with described first
Dynamic plate 1 is be arranged in parallel, and second through hole is arranged on second movable plate 31；Multiple springs 32 are fixed on described side by side
On two movable plates 31.In this example embodiment, the second movable plate 31 is also configured as the square plate consistent with fixed plate 2, when
Right first movable plate 1 is it can also be provided that rectangle, circle, trapezoidal etc..The number of spring 32 is arranged to five, respectively symmetrically
Four corners and middle part for being arranged on two movable plates of ground are engaged with the position of five first through hole；The number of second through hole is also set
Five are set to, four corners of the second movable plate 31 is symmetrically arranged at and middle part and is set with five 32 mandrels of the same race of spring
Put.In addition, it will be appreciated by those skilled in the art that, spring 32 can be replaced with spring steel plate.The number of spring 32 can
To be arranged to one, two, three or more, inertial load to be provided determines, required for inertial load is bigger
The number for playing spring 32 is comparatively more, naturally it is also possible to improves inertia load by improving the elastic force of single spring 32 to reach
The purpose of lotus.The number of second through hole is also not necessarily limited to foregoing description, it is necessary to be closed with the cooperating number of pull bar 4, can be according to setting
Pulling force determine the quantity of pull bar 4 and the quantity of the second through hole.The position of the through hole of spring 32 and second is also not necessarily limited to above-mentioned
Description, as long as being arranged to symmetrical, be symmetrical arranged can avoid it is stuck or caused used caused by discontinuity equalization
Property loading direction deviate the problem of.
First movable plate 1 is fixed in one end of pull bar 4, the other end of pull bar 4 sequentially pass through second through hole with
And the first through hole and stretch out in the fixed plate 2 be used for receive pulling force；Pulling force of the elastic parts 3 in the pull bar 4
Effect is lower to produce inertial load, and pulling force discharges the inertial load after disappearing.In this example embodiment, pull bar 4 is arranged to
Five, one end of five pull bars 4 is both secured to the first movable plate 1, and the other end sequentially passes through three the second through holes and described
One through hole simultaneously stretches out in fixed plate 2.The number of pull bar 4 could be arranged to one, two, three or more；When pull bar 4 is set
For one when, be arranged on the centers of multiple springs 32；Need symmetrically to set pull bar 4 when two, three or more
Put, be symmetrical arranged the problem of stuck caused by discontinuity equalization or caused inertial load direction can be avoided to deviate.
The inertial load simulation test device 10 also includes guiding mechanism, and guiding mechanism is used for first movable plate
1 and second movable plate 31 be oriented to.The guiding mechanism includes multiple guide grooves 6 and multiple guide wheels 7, multiple guide grooves
6 are fixed on ground, and the guide direction of guide groove 6 is consistent with the moving direction of first movable plate 1；Multiple guide wheels 7 are led with described
Groove 6 coordinates, on first movable plate 1 and second movable plate 31.In this example embodiment, it is symmetrical arranged
There are two guide grooves 6, two guide wheels 7 are symmetrically arranged with the first movable plate 1, two are also symmetrically arranged with the second movable plate 31
Individual guide wheel 7.Guide wheel 7 can be rolled to drive the first movable plate 1 and the second movable plate 31 to move in guide groove 6, guide wheel 7 and guide groove
Be rolling friction between 6, can reducing friction resistance, reduce the consumption to caused inertial load.Certainly, the present invention its
In his example embodiment, chute can also be set, sliding block, sliding block are set on the first movable plate 1 and the second movable plate 31
It can be slided in chute to drive the first movable plate 1 and the second movable plate 31 to move.
The structural representation of reference picture 3 and Fig. 4 the second movable plate 31；The inertial load simulation test device 10 also wraps
Multiple sleeves 8 are included, multiple sleeves 8 are sheathed in the first through hole and second through hole, and the pull bar 4 runs through the set
Cylinder 8, the sleeve 8 is fixedly connected with the end of the spring 32.In this example embodiment, the both ends of sleeve 8 stretch out the
One movable plate 1 and the second movable plate 31, and the length stretched out is symmetrical, the both ends of the stretching of sleeve 8 are fixed in the end of spring 32
Outside, increase the fixed-area to spring 32, improve fixed intensity.Certainly, the extension elongation of sleeve 8 also can asymmetry set
Put.The end of sleeve 8 and spring 32 can also be set to fix respectively in the both sides of the first movable plate 1 and the second movable plate 31 to connect
Connect.
The inertial load simulation test device 10 also includes multiple bearings 9, multiple bearings 9 located at the first through hole with
And in second through hole, the pull bar 4 is arranged in the bearing 9.In this example embodiment, bearing 9 is linear axis
Hold, the friction between linear bearing and pull bar 4 is rolling friction, and frictional force is reduced on very big depth.In first through hole and
Sleeve 8 is provided with second through hole, bearing 9 can also be arranged in sleeve 8.
Further, the structural representation of the embodiment of inertial load simulation experiment system one shown in reference picture 7, this hair
Bright to additionally provide a kind of inertial load simulation experiment system, the inertial load simulation experiment system is simulated including above-mentioned inertial load
Experimental rig 10, pressurized strut 11, the connecting rod 13 of head rod 12 and second.Inertial load simulation test device 10 is above-mentioned
Through being described in detail, here is omitted.Pressurized strut 11 is used to apply pulling force to the pull bar 4, and pressurized strut 11 can be with
For electric cylinder, oil cylinder or cylinder etc..Head rod 12 is connected between the pressurized strut 11 and the pull bar 4, and described
One connecting rod 12 makes the inertial load simulation test device 10 discharge inertial load after being disconnected by the pulling force of pressurized strut 11；First
Connecting rod 12 can be tension force pin, and tension force pin will ensure there are high mechanical properties, and the flash disruption in maximum, is once again
Property service wear is quite big, and material is special, to metal smelt it is also proposed that high request；Head rod 12 can also use common
Connecting rod is, it is necessary to accurately be calculated the pull-off force of connecting rod.Second connecting rod 13 is connected to first movable plate 1 and tried with waiting
Test between product.In the case of multiple pull bars 4, connecting plate can also be set, the side of connecting plate connects multiple pull bars 4, connection
The opposite side connection head rod 12 of plate.
The inertial load simulation experiment system also includes multiple strain, acceleration transducer and dynamic strain indicators.It is more
Individual foil gauge is on product to be tested, for monitoring the deformation of each several part of the product to be tested in boost phase；Acceleration passes
Sensor is on the product to be tested, for monitoring acceleration change of the product to be tested in boost phase；Dynamic strain indicator
Electrically connected with the acceleration transducer and multiple foil gauges, for gathering the acceleration transducer and multiple institutes
The measurement data for stating foil gauge carries out dynamic strain measurement with the deformation to the product to be tested.
Carrier-borne aircraft shown in reference picture 5 block during acceleration time graph；And the carrier-borne aircraft shown in reference picture 6
Pulling force time graph during blocking；Carrier-borne aircraft block during acceleration and pulling force gradually increase with the time, in 0.14s
Left and right, block load and reach maximum, then gradually reduce, therefore, the acceleration during carrier-borne aircraft blocks is in some section
Etc dynamic process.In this example embodiment, inertial load simulation of the acceleration between 5g-0, peak acceleration are taken
For 5g.Assuming that the deadweight of fuselage is 3000kg, then it is 15t to block maximum load, it is desirable to spring 32 in the presence of 15t load,
Deformation is more than 1m, and the global stiffness of the system of spring 32 is not more than 15t/m, and spring of the rigidity less than 3t/m is chosen according to above-mentioned condition
32。
Fuselage and inertial load simulation test device 10 are linked together by the second connecting rod 13, the second connecting rod 13
Connection by fuselage and elastic parts 3 motion be consistent.Pass through between pressurized strut 11 and inertial load simulation test device 10
Tension force pin connection, when pulling force reaches certain load, tension force pin disconnects automatically.The fixed seat of inertial load simulation test device 10
Ground is fixed on, pressurized strut 11 is fixed；B is course direction, and C is the loading direction of pressurized strut 11, when blocking test simulation, boat
It is adapted to the storage force direction C of pressurized strut consistent to direction B, after tension force pin disconnects, dynamic load is carried out by elastic parts, is now used to
Property loading direction and course are in opposite direction, play the action effect blocked.After the completion of device layout, operate shown in pressurized strut to C
Direction loads, compression spring 32, when the load of pressurized strut 11 reaches 150kN, has reached the disconnection load value of tension force pin setting,
Tension force pin is disconnected, and the spring 32 of compression is released, and is promoted tested fuselage to accelerate with initial 150KN inertial load, is realized
The simulation of inertial load.After the fracture of tension force pin, fuselage acceleration with displacement changing curve referring to Fig. 8, and fuselage acceleration with
The change curve of time is referring to Fig. 9, as can be seen from Fig. 8, in 1m displacement process, the arrangement achieves from peak acceleration to
0 inertial load loading.
, can be on testpieces and connecting rod pastes the sensor such as foil gauge in experiment, monitoring machine is in each of boost phase
Partial strain and acceleration change.Certification test effective time, if the stiffness coefficient k of the system of spring 32 is 150000N/m,
By the quality system computation of Period formula of spring 32：
Spring 32 is a quarter cycle by the time of deformation state to free state, as 0.22s, using dynamic strain
Instrument samples, the strain at each position and acceleration change during dynamic measurement experiment in 0.22s.
The inertial load simulation test device 10 and inertial load simulation experiment system of the present invention, including fixed plate 2 and the
One movable plate 1, and the one or more elastic parts 3 being arranged between the movable plate 1 of fixed plate 2 and first, in addition to fix
It is connected to the first movable plate 1 and through one or more elastic parts 3 and the pull bar 4 of fixed plate 2；First is pulled by pull bar 4
Movable plate 1, the first movable plate 1 is extruded elastic parts 3 with fixed plate 2 and produce inertial load, release pull bar 4 back pull disappears and made
Elastic parts 3 discharges inertial load.On the one hand, the inertial load is not basic load, can accurate simulation block load or
To carrier-borne aircraft, the land on aircraft carrier block power to ejection load, make the analog reslt more accurate；On the other hand, elasticity is passed through
It is simple, easy to implement that component 3 produces inertial load principle.
Above-mentioned described feature, structure or characteristic can be incorporated in one or more embodiment party in any suitable manner
In formula, if possible, it is characterized in discussed in each embodiment interchangeable.In superincumbent description, there is provided many specific thin
Section fully understands so as to provide to embodiments of the present invention.It will be appreciated, however, by one skilled in the art that this can be put into practice
The technical scheme of invention is without one or more in the specific detail, or can use other methods, component, material
Material etc..In other cases, known features, material or operation are not shown in detail or describe to avoid obscuring each side of the present invention
Face.
When certain structure other structures " on " when, it is possible to refer to that certain structural integrity is formed in other structures, or refer to certain
Structure " direct " is arranged in other structures, or is referred to certain structure and be arranged on by another structure " indirect " in other structures.
In this specification, term "one", " one ", "the", " described " and " at least one " to represent to exist one or
Multiple key element/parts/etc.；Term "comprising", " comprising " and " having " are representing the open meaning being included
And refer to the key element except listing/part/also may be present in addition to waiting other key element/part/etc.；Term " the
One ", " second " and " the 3rd " etc. only use as mark, are not the quantity limitations to its object.
It should be appreciated that the present invention is not limited in its application to the detailed construction and arrangement of the part of this specification proposition
Mode.The present invention can have other embodiment, and can realize and perform in many ways.Aforesaid deformation form and
Modification is fallen within the scope of the present invention.It should be appreciated that this disclosure and the present invention limited are extended in text
And/or mentioned in accompanying drawing or all alternative combinations of two or more obvious independent features.It is all these different
Combination forms multiple alternative aspects of the present invention.Embodiment described in this specification illustrates to become known for realizing the present invention
Best mode, and will enable those skilled in the art using the present invention.
Claims (10)
- A kind of 1. inertial load simulation test device, it is characterised in that including：Fixed plate, it is fixedly installed, at least one first through hole is provided with the fixed plate；First movable plate, it can move and parallel with the fixed plate；One or more elastic parts, it is sequentially connected between first movable plate and fixed plate, is set on the elastic parts It is equipped with least one second through hole；At least one pull bar, its one end are fixed on first movable plate, its other end sequentially pass through second through hole and The first through hole simultaneously stretches out in the fixed plate for receiving pulling force；The elastic parts produces inertial load under the pulling force effect of the pull bar, and pulling force discharges the inertia and carried after disappearing Lotus.
- 2. inertial load simulation test device according to claim 1, it is characterised in that the elastic parts includes：Second movable plate, it is be arranged in parallel with first movable plate, second through hole is arranged on second movable plate；Multiple springs, it is fixed on side by side on second movable plate.
- 3. inertial load simulation test device according to claim 2, it is characterised in that the inertial load simulated test Device also includes：Guiding mechanism, for being oriented to first movable plate and second movable plate.
- 4. inertial load simulation test device according to claim 3, it is characterised in that the guiding mechanism includes：Multiple guide grooves, are fixed on ground, and its guide direction is consistent with the moving direction of first movable plate；Multiple guide wheels, coordinate with the guide groove, on first movable plate and second movable plate.
- 5. inertial load simulation test device according to claim 1, it is characterised in that the elastic parts includes multiple Spring, the pull bar are that multiple and its number is identical with the number of the spring included by an elastic parts；The first through hole And second through hole is that multiple and its number is identical with the number of the spring included by an elastic parts, described first is logical Hole and second through hole are set with the spring with central shaft, and the pull bar runs through the spring.
- 6. inertial load simulation test device according to claim 5, it is characterised in that the inertial load simulated test Device also includes：Multiple sleeves, it is sheathed in the first through hole and second through hole, the pull bar runs through the sleeve, the set Cylinder is fixedly connected with the end of the spring.
- 7. inertial load simulation test device according to claim 5, it is characterised in that the inertial load simulated test Device also includes：Multiple bearings, in the first through hole and second through hole, the pull bar is arranged in the bearing.
- 8. the inertial load simulation test device according to claim 1~7 any one, it is characterised in that the inertia Load simulated experimental rig also includes：Firm banking, including bedplate and floor, the bedplate are connected with fixed plate, and the floor is connected to the base Between plate and fixed plate, the bedplate is used to fix with ground.
- A kind of 9. inertial load simulation experiment system, it is characterised in that including：Inertial load simulation test device described in claim 1~8 any one；Pressurized strut, for applying pulling force to the pull bar；Head rod, it is connected between the pressurized strut and the pull bar, the head rod is broken by the pulling force of pressurized strut Make the inertial load simulation test device release inertial load after opening；Second connecting rod, it is connected between first movable plate and product to be tested.
- 10. inertial load simulation experiment system according to claim 9, it is characterised in that the inertial load simulation examination Check system also includes：Multiple foil gauges, on product to be tested, for monitoring the deformation of each several part of the product to be tested in boost phase；Acceleration transducer, on the product to be tested, become for monitoring the product to be tested in the acceleration of boost phase Change；Dynamic strain indicator, electrically connected with the acceleration transducer and multiple foil gauges, for gathering the acceleration The measurement data of sensor and multiple foil gauges carries out dynamic strain measurement with the deformation to the product to be tested.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692965A (en) * | 2018-07-16 | 2018-10-23 | 西安航空制动科技有限公司 | A kind of inertial load simulation test energy-absorbing protective device |
| CN109502048A (en) * | 2018-10-15 | 2019-03-22 | 西北工业大学 | Aircraft catapult take off load transmitting ground experiment simulator and method |
| CN112722325A (en) * | 2021-02-26 | 2021-04-30 | 芜湖创联航空科技有限公司 | Static test device and method for fixed-wing unmanned aerial vehicle body |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692965A (en) * | 2018-07-16 | 2018-10-23 | 西安航空制动科技有限公司 | A kind of inertial load simulation test energy-absorbing protective device |
| CN108692965B (en) * | 2018-07-16 | 2023-12-05 | 西安航空制动科技有限公司 | Inertial load simulation test energy absorption protection device |
| CN109502048A (en) * | 2018-10-15 | 2019-03-22 | 西北工业大学 | Aircraft catapult take off load transmitting ground experiment simulator and method |
| CN112722325A (en) * | 2021-02-26 | 2021-04-30 | 芜湖创联航空科技有限公司 | Static test device and method for fixed-wing unmanned aerial vehicle body |
| CN112722325B (en) * | 2021-02-26 | 2022-07-29 | 芜湖创联航空装备产业研究院有限公司 | Static test device and method for fixed-wing unmanned aerial vehicle body |
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