CN106768782A - One kind blocks impact test apparatus - Google Patents
One kind blocks impact test apparatus Download PDFInfo
- Publication number
- CN106768782A CN106768782A CN201710015442.7A CN201710015442A CN106768782A CN 106768782 A CN106768782 A CN 106768782A CN 201710015442 A CN201710015442 A CN 201710015442A CN 106768782 A CN106768782 A CN 106768782A
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- test platform
- controlling organization
- collision
- test
- guide rail
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- 238000009863 impact test Methods 0.000 title claims abstract description 30
- 238000012360 testing method Methods 0.000 claims abstract description 110
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 230000008520 organization Effects 0.000 claims abstract description 42
- 230000033001 locomotion Effects 0.000 claims abstract description 12
- 230000001133 acceleration Effects 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims abstract description 6
- 239000000725 suspension Substances 0.000 claims description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000002474 experimental method Methods 0.000 description 15
- 230000008901 benefit Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to impact test technical field, more particularly to one kind blocks impact test apparatus, including test platform, actuating unit, collision mechanism, measuring mechanism and controlling organization, trial product to be measured is on test platform, actuating unit is connected with test platform, for the movement of motoring ring test plateau levels, collision mechanism collides on the stroke of test platform with test platform, measuring mechanism is connected with the acceleration transducer on test platform, for gathering the shape information that collision is produced, controlling organization is connected with actuating unit, action for controlling actuating unit.Trial product to be measured completes impact test in the horizontal direction, can produce the surge waveform of wide pulse width, and controlling organization can to collision when speed be controlled, improve the accuracy and repeatability of test result.
Description
Technical field
Impact test apparatus are blocked the present invention relates to impact test technical field, more particularly to one kind.
Background technology
, when continental rise and aircraft carrier land, airborne equipment and weapon can be by the transient states of the relatively low frequency of arresting gear applying for aircraft
Impact, is the reliability and security of examination airborne equipment and weapon, it is necessary to carry out blocking impact test to it.
The test features of impact are blocked to impact mostly level to the shock wave pulsewidth that this experiment is produced is wider, product
Displacement is larger, and due to often containing a large amount of priming systems by trial product, it is dangerous very high.Conventionally employed dropping table is vertical pendant
Fall, the waveform generator such as rubber, lead for using can only produce the narrower waveform of pulsewidth, shake table to be limited by displacement, can not
Produce high-magnitude, the waveform of wide pulse width.
The content of the invention
(1) technical problem to be solved
The technical problem to be solved in the present invention is to solve conventional impact experimental rig to produce the ripple of high-magnitude, wide pulse width
The problem of shape.
(2) technical scheme
In order to solve the above-mentioned technical problem, impact test apparatus are blocked the invention provides one kind, including it is test platform, dynamic
Force mechanisms, collision mechanism, measuring mechanism and controlling organization, trial product to be measured are located on the test platform, the actuating unit
It is connected with the test platform, for driving the test platform to move horizontally, the collision mechanism is located at the test platform
Stroke on collided with the test platform, the measuring mechanism and the acceleration transducer on the test platform
Connection, for gathering the shape information that collision is produced, the controlling organization is connected with the actuating unit, described dynamic for controlling
The action of force mechanisms.
Wherein, horizontally disposed guide rail is provided with below the test platform, the bottom of the test platform is provided with and institute
State the draw-in groove of guide rail cooperation.
Wherein, the test platform is provided with suspension frock, and the suspension frock is used to simulate the trial product extension to be measured
Fly the boundary condition under state.
Wherein, one end of the test platform is provided with reinforcement steel plate, and the reinforcement steel plate is used to bear and the collider
Impulsive force when structure is collided.
Wherein, the actuating unit includes drive device and driving-chain, and the drive device is connected to the controlling organization
Between the driving-chain, the driving-chain sets along the length direction of the guide rail and is connected with the test platform, is used for
The test platform is driven to be moved along the guide rail.
Wherein, the actuating unit also includes the drive and brake located at the two ends of the driving-chain, the transmission
Wheel is connected with the drive device, for driving the transmission chain movement, the brake to be connected with the controlling organization, be used for
Realize the braking of the driving-chain.
Wherein, clutch is provided between the drive device and the drive, the guide rail is provided with throw-out-of clutch
Sensor, the clutch is connected with the controlling organization respectively with the throw-out-of clutch sensor, when the clutch is de-
Open sensor sensing to the test platform pass through when, the controlling organization to the clutch send disengage instruction.
Wherein, the collision mechanism is on the guide rail or located at one end of the guide rail, and collision mechanism bag
Force-bearing piece and the waveform generator on the force-bearing piece are included, the waveform generator is oppositely arranged with the test platform,
And the waveform generator is provided with the elastic buffering pad contacted when being collided with the test platform, for the test platform
Carry out elastic collision.
Wherein, startup braking sensor, initial level sensor and protection level sensor are additionally provided with the guide rail, it is described to open
Dynamic braking sensor, initial level sensor and protection level sensor are connected with the controlling organization respectively, for the control
Mechanism transmits the positional information of the test platform.
Wherein, the control system includes PLC, remote controllers and local control device, described long-range
Controller and local control device respectively with the PLC, for realizing to the PLC short range
And remote control.
(3) beneficial effect
Above-mentioned technical proposal of the invention has the following advantages that：One kind that the present invention is provided blocks impact test apparatus, wraps
Test platform, actuating unit, collision mechanism, measuring mechanism and controlling organization are included, trial product to be measured is located on test platform, power
Mechanism is connected with test platform, and for the movement of motoring ring test plateau levels, collision mechanism is located on the stroke of test platform and examination
Test platform to collide, measuring mechanism is connected with sensor on test platform, for gathering the shape information that collision is produced, control
Mechanism is connected with actuating unit, the action for controlling actuating unit.Trial product to be measured completes impact test in the horizontal direction,
Can produce the surge waveform of wide pulse width, and controlling organization can to collision when speed be controlled, improve test result
Accuracy and repeatability.
Except it is described above present invention solves the technical problem that, constitute technical scheme technical characteristic and have this
Outside the advantage that the technical characteristic of a little technical schemes is brought, what other technical characteristics of the invention and these technical characteristics brought
Advantage, will further illustrate with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is a kind of structural representation for blocking impact test apparatus provided in an embodiment of the present invention；
Fig. 2 is the control planning figure that the embodiment of the present invention is controlling organization；
Fig. 3 is the structural representation of test platform provided in an embodiment of the present invention；
Fig. 4 is using the impact blocked and obtained in the once experiment that impact test apparatus are carried out provided in an embodiment of the present invention
Acceleration course curve.
In figure：1：Test platform；2：Trial product to be measured；3：Suspension frock；4：Acceleration transducer；5：Drive；6：Drive
Dynamic device；7：Clutch；8：Controlling organization；9：Measuring mechanism；10：Cable follow-up mechanism；11：Guide rail；12：Force-bearing piece；13：System
Dynamic device；14：Waveform generator；15：Driving-chain；16：Clutch disengages sensor；17：Start braking sensor；18：Start bit is passed
Sensor；19：Protection level sensor；101：Top；102：Bottom；103：Overturning-preventing draw-in groove；104：Strengthen steel plate；601：Frequency conversion is driven
Dynamic device；602：Motor；801：PLC；802：Process controller；803：Remote controllers；804：Contactor；
805：Relay.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Additionally, in the description of the invention, unless otherwise indicated, " multiple ", " many ", " multigroup " be meant that two or
Two or more, " several ", " some ", " some groups " are meant that one or more.
As shown in figures 1 and 3, one kind provided in an embodiment of the present invention blocks impact test apparatus, including test platform 1,
Actuating unit, collision mechanism, measuring mechanism 9 and controlling organization 8, trial product to be measured 2 on test platform 1, actuating unit with
Test platform 1 is connected, and is moved horizontally for motoring ring test platform 1, and collision mechanism is flat with experiment on the stroke of test platform 1
Platform 1 is collided, and measuring mechanism 9 is connected with the acceleration transducer 4 on test platform 1 by testing cable, for inciting somebody to action
Impact signal passes to measuring mechanism 9 and is recorded and on measuring mechanism 9 produce shape information by cable, by with waveform
Required value contrasted, whether judgement treats the examination of test product 2 and meets requirement, in order to protect test cable, in test
The outside of cable is located at cable follow-up mechanism 10, and controlling organization 8 is connected with actuating unit, the action for controlling actuating unit.
Trial product to be measured 2 completes impact test in the horizontal direction, can produce the surge waveform of wide pulse width, and controlling organization 8 can be with
Speed during to collision is controlled, and improves the accuracy and repeatability of test result.
Further, the lower section of test platform 1 is provided with guide rail 12, and test platform 1 is moved horizontally along guide rail.Test platform 1
Bottom be provided with wheel and with guide rail 12 coordinate draw-in groove, in the presence of actuating unit, test platform 1 along guide rail 12 length
Direction moves horizontally speedup to setting speed.
Further, suspension frock 3 is additionally provided with test platform 1, suspension frock 3 is used to be suspended in trial product to be measured 2
On test platform 1, suspension frock 3 can simulate trial product to be measured 2 and hang the boundary condition flown under state, make experimental condition closer
Use condition, and then improve the accuracy of result of the test.
Further, actuating unit includes drive device 6 and driving-chain 15, and drive device 6 is connected to controlling organization 8 and passes
Between dynamic chain 15, driving-chain 15 sets along the length direction of guide rail 12 and is connected with test platform 1, for motoring ring test platform 1
Motion.Drive device 6 is by controlling the movement velocity of driving-chain 15 come the speed of Control experiment platform 1, by controlling driving-chain
15 direction of motion carrys out the direction of motion of Control experiment platform 1, and in the present embodiment, drive device 6 includes variable frequency drives 601
With motor 602.
Further, actuating unit also includes drive 5 and brake 13 on driving-chain 15, drive 5 and system
Located at the two ends of driving-chain 15, drive 5 is connected dynamic device 13 with drive device, for driving driving-chain 15 to move, brake 13
It is connected with controlling organization 8, the braking for realizing driving-chain 15.
Further, clutch 7 is provided between drive device and drive 5, guide rail 12 is provided with throw-out-of clutch sensing
Device 16, clutch 7 is connected with controlling organization 8 respectively with throw-out-of clutch sensor 16, when throw-out-of clutch sensor 16 senses
When passing through to test platform 1, controlling organization 8 is sent to clutch 7 and disengages instruction, and clutch 7 is disengaged, and test platform 1 is in inertia
The lower art skating of effect simultaneously finally collides with waveform generator 14.
Specifically, variable frequency drives 601 are connected between controlling organization 8 and motor 601, for according to controlling organization 8
The rotation of control signal motor 601, motor 601 is arranged on power transmission shaft by shaft coupling and propeller shaft couplings, clutch 7
On, drive 5 is rigidly connected with clutch 7, and drive 5 drives driving-chain 15 and test platform 1 to be moved forward or backwards,
Brake 13 carries out slowing-down brake to test platform 1.The company of drive 5 and drive device is realized by controlling the break-make of clutch 7
Connect and disengagement.
Further, collision mechanism is on guide rail 12 or located at one end of guide rail 12, and collision mechanism includes force-bearing piece
12 and the waveform generator 14 on force-bearing piece 12, waveform generator 14 is oppositely arranged with test platform 1, and waveform generator
14 are provided with the elastic buffering pad contacted when being collided with test platform 1.During experiment, test platform 1 carries trial product to be measured 2 and ripple
There is elastic collision in shape generator 14, and surge waveform information is generated on measuring mechanism 9.
Further, startup braking sensor 17, initial level sensor 18 and protection level sensor are additionally provided with guide rail 12
19, start braking sensor 17, initial level sensor 18 and protection level sensor 19 and be connected with controlling organization 8 respectively, for
Controlling organization 8 transmits the positional information of test platform 1, and controlling organization 8 sends not according to the position of test platform 1 to actuating unit
Same control instruction.
As shown in Fig. 2 whole experimental rig carries out reasonable, orderly control by controlling organization 8, controlling organization 8 is main
The contactor 804 that is connected by PLC 801, remote controllers 803, local control device 802 and brake 13 and
The grade of relay 805 for sending the trigger signal of measuring mechanism 9 is constituted, and remote controllers 803 are using touch in the present embodiment
Screen.PLC 801 is connected with drive device, when using, the motion by remote controllers 803 to test platform 1
After the parameters such as speed, braking distance are configured, both experimental rig can be manipulated by remote controllers 803, be convenient for formal
Experiment, also can manipulate experimental rig by local control device 802, be easy to field adjustable.
Operationally, controlling organization 8 sends the startup of motor 602 and refers to experimental rig by PLC 801 first
Order, test platform 1 starts to be accelerated along guide rail 12 is positive.When test platform 1 disengages sensor 16 by clutch, PLC can be compiled
Range controller 801 sends clutch and disengages instruction, disengages clutch 7, i.e., drive device 6 is disengaged with the connection of drive 5, experiment
Platform 1 is continued to move under effect of inertia, while PLC 801 is sent by relay 805 to measuring mechanism 9
Two-way trigger signal, starts measuring mechanism 9, when test platform 1 is collided with waveform generator 14, during the collection collision of measuring mechanism 9
The shape information of generation.After test platform 1 clashes into waveform generator 14, when counter motion is by startup braking sensor 17,
PLC 801 sends the enabled instruction of brake 13, allows test platform 1 to slow down.After platform to be tested 1 is static, PLC
Programmable Logic Controller 801 sends the reversion enabled instruction of motor 602, and Control experiment platform 1 is slow to be moved to initial position.Experiment is flat
When platform 1 is by initial level sensor 18, PLC 801 sends the enabled instruction of brake 13, and test platform 1 is static
In initial position, can be tested next time.
In order to improve the reliability of controlling organization 8, sensor 16 is disengaged to clutch, starts braking sensor 17, measuring machine
The trigger signal of structure 9 has carried out redundancy setting.To prevent artificial operational error, there is provided protection level sensor 19, works as experiment
When platform passes through the protection level sensor 19, controlling organization 8 will send halt instruction and alarm.
As shown in figure 3,1 point of test platform is upper and lower two parts, top 101 is attached with bottom 102 by bolt.Examination
The agent structure for testing platform 1 is formed using square tubes soldering, and horizontally and vertically direction is using the square tube of 120mm × 120mm × 8mm
As main support, and use the oblique pull square tube of 100mm × 100mm × 5mm as Auxiliary support, improve the entirety of test platform 1
Strength and stiffness.The top 101 of test platform 1 is provided with suspension frock, and the boundary condition flown under state is hung for analog equipment.Examination
The front end for testing the bottom 102 of platform 1 sets two blocks of vertical reinforcement steel plates 104, for bearing and the shock of waveform generator 14
Impulsive force.Four drift angles in the bottom 102 of test platform set anti-tipping draw-in groove 104, it is ensured that test platform 1 is on guide rail 12
Level run, prevents from being tumbled when clashing into.
As shown in figure 4, impact peak value acceleration of the device in once testing is 7.95g, and through test of many times, the device
Bearing capacity be 4t, the maximum movement speed of test platform is 10m/s, and impact peak value acceleration is 0.5~12g, impacts peak
Repeatability reaches ± 0.1 when value acceleration is 12g, and impact pulsewidth is 50~400ms.
In sum, one kind provided in an embodiment of the present invention blocks impact test apparatus, and test platform is provided with analog machine
The suspension frock of the wing or interior of aircraft boundary condition, airborne equipment and weapon are docked as product of participating in the experiment with suspension frock, are simulated
The extension of product flies state.Block impact test apparatus start after, controlling organization start drive device, by clutch, drive,
Conveyer chain accelerates to test platform.After test platform reaches setting speed, controlling organization control throw-out-of clutch, experiment is flat
Platform departs from drive device and starts the art skating on guide rail.Then, test platform and the waveform generator being arranged on force-bearing piece
Clash into, the surge waveform of high-magnitude, wide pulse width is produced by waveform generator, the waveform is by the biography on testpieces
The measuring system of sensor and rear end is collected.After the completion of surge waveform loading, control system starts brake, makes test platform
Slow down, prevent its counter motion from secondary collision occurring.After platform to be tested is static, controlling organization closes brake, connects clutch
Device, starts drive device, and test platform is slowly recovered to initial position, is that impact test is prepared next time.Whole experiment
Device is full-automatic form, and after remote operation sets impact test parameter, experimental rig will be automatically performed rule to testing crew
Determine the impact test of number of times, reduce the number of times that testing crew enters test site, greatly improve the security of priming system experiment.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. one kind blocks impact test apparatus, it is characterised in that：Including test platform, actuating unit, collision mechanism, measuring mechanism
And controlling organization, on the test platform, the actuating unit is connected trial product to be measured with the test platform, for band
Move the test platform to move horizontally, the collision mechanism occurs on the stroke of the test platform with the test platform
Collision, the measuring mechanism is connected with the acceleration transducer on the test platform, for gathering the ripple that collision is produced
Shape information, the controlling organization is connected with the actuating unit, the action for controlling the actuating unit.
It is 2. according to claim 1 to block impact test apparatus, it is characterised in that：Water is provided with below the test platform
The flat guide rail for setting, the bottom of the test platform is provided with the draw-in groove coordinated with the guide rail.
It is 3. according to claim 1 to block impact test apparatus, it is characterised in that：The test platform is provided with suspension work
Dress, the suspension frock is used to simulate the boundary condition that the trial product to be measured is hung under winged state.
It is 4. according to claim 1 to block impact test apparatus, it is characterised in that：One end of the test platform is provided with and adds
Strong steel plate, the impulsive force when reinforcement steel plate is used to bear to be collided with the collision mechanism.
It is 5. according to claim 2 to block impact test apparatus, it is characterised in that：The actuating unit includes drive device
And driving-chain, the drive device is connected between the controlling organization and the driving-chain, and the driving-chain is along the guide rail
Length direction set and be connected with the test platform, for driving the test platform to be moved along the guide rail.
It is 6. according to claim 5 to block impact test apparatus, it is characterised in that：The actuating unit also includes being located at institute
The drive and brake at the two ends of driving-chain are stated, the drive is connected with the drive device, for driving the transmission
Chain movement, the brake is connected with the controlling organization, the braking for realizing the driving-chain.
It is 7. according to claim 6 to block impact test apparatus, it is characterised in that：The drive device and the drive
Between be provided with clutch, the guide rail is provided with throw-out-of clutch sensor, and the clutch is sensed with the throw-out-of clutch
Device is connected with the controlling organization respectively, described when the throw-out-of clutch sensor sensing to the test platform passes through
Controlling organization sends to the clutch and disengages instruction.
It is 8. according to claim 2 to block impact test apparatus, it is characterised in that：The collision mechanism is located at the guide rail
Above or located at one end of the guide rail, and the collision mechanism includes that force-bearing piece and the waveform on the force-bearing piece occur
Device, the waveform generator is oppositely arranged with the test platform, and the waveform generator is provided with and the test platform
The elastic buffering pad contacted during collision, for carrying out elastic collision with the test platform.
It is 9. according to claim 2 to block impact test apparatus, it is characterised in that：Startup braking is additionally provided with the guide rail
Sensor, initial level sensor and protection level sensor, the startup braking sensor, initial level sensor and guard bit sensing
Device is connected with the controlling organization respectively, the positional information for transmitting the test platform to the controlling organization.
10. impact test apparatus are blocked according to claim any one of 1-9, it is characterised in that：The control system bag
Include PLC, remote controllers and local control device, the remote controllers and local control device respectively with it is described
PLC, for realizing to the PLC short range and remote control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710015442.7A CN106768782A (en) | 2017-01-10 | 2017-01-10 | One kind blocks impact test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710015442.7A CN106768782A (en) | 2017-01-10 | 2017-01-10 | One kind blocks impact test apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106768782A true CN106768782A (en) | 2017-05-31 |
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ID=58948770
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710015442.7A Pending CN106768782A (en) | 2017-01-10 | 2017-01-10 | One kind blocks impact test apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN106768782A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768298A (en) * | 2018-08-06 | 2018-11-06 | 苏州腾晖光伏技术有限公司 | A kind of photovoltaic module anti-ice hail apparatus for impact testing |
| CN109459128A (en) * | 2018-09-27 | 2019-03-12 | 上海理工大学 | A kind of fuel tank of vehicle oil liquid whine noise test macro |
| CN110186637A (en) * | 2019-07-02 | 2019-08-30 | 苏州热工研究院有限公司 | Range unit suitable for Drop impact test |
| CN113267309A (en) * | 2021-04-29 | 2021-08-17 | 中国工程物理研究院总体工程研究所 | Short-distance acceleration and short-distance braking heavy load impact test device |
| CN114136336A (en) * | 2021-11-05 | 2022-03-04 | 江西洪都航空工业股份有限公司 | Acceleration and rocket sled testing device and method |
| CN114609962A (en) * | 2022-03-11 | 2022-06-10 | 芜湖市翔装机械设备制造有限公司 | Full-automatic control system and method for airport arresting equipment |
| CN114646445A (en) * | 2020-12-18 | 2022-06-21 | 中国航发商用航空发动机有限责任公司 | Rotating blade impact test device and rotating blade impact test method |
| US20220299400A1 (en) * | 2021-01-11 | 2022-09-22 | Omnitek Partners Llc | Rocket Launch Acceleration Testing Machines |
| CN117048844A (en) * | 2023-10-09 | 2023-11-14 | 中国飞机强度研究所 | Aeroplane tire running rolling blocking steel cable impact test system and method |
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Application publication date: 20170531 |