CN106840566A - High speed reciprocating impact vibration coupling test fixture and quick response feed arrangement - Google Patents
High speed reciprocating impact vibration coupling test fixture and quick response feed arrangement Download PDFInfo
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- CN106840566A CN106840566A CN201710133869.7A CN201710133869A CN106840566A CN 106840566 A CN106840566 A CN 106840566A CN 201710133869 A CN201710133869 A CN 201710133869A CN 106840566 A CN106840566 A CN 106840566A
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- slide rail
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
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Abstract
The invention discloses a kind of high speed reciprocating impact vibration coupling test fixture and quick response feed arrangement, including electromagnetic vibration generator system, pedestal liner plate, slide rail, auxiliary liner plate, linear magneto, concave station, acceleration signal Acquisition Circuit, laser opposite-radiation sensor, DSP control circuits;The pedestal liner plate is tightly fixed on the table top of electromagnetic vibration generator system;Slide rail is arranged on pedestal liner plate;Concave station is provided with the groove coordinated with slide rail, can be along slide rail straight reciprocating motion;Linear Magnetor stator part is fixed on pedestal liner plate, and subpart is connected with concave station, realizes fast feed and the rollback of concave station;Laser opposite-radiation sensor emission end is installed on pedestal liner plate, and receiving terminal is installed on auxiliary liner plate, is respectively in slide rail both sides, and acceleration signal Acquisition Circuit is located in concave station, and the output of laser opposite-radiation sensor is all connected on DSP control circuits.The present invention has high dynamic response ability, can meet the demand of high speed repeat impact vibration coupling experiment.
Description
Technical field
The present invention relates to the impact-vibration testing device in environmental mechanicses experiment, more particularly to one kind can be used to impact-shake
The fixture of dynamic coupling environmental test and the feed arrangement design with high dynamic response ability.
Background technology
High speed reciprocating impact-vibration coupling test fixture and quick response feed arrangement, are mainly used in realizing high-precision cipher telegram
Sub- device, such as gyroscope, detect guidance unit, the impact experienced in its actual application such as accelerometer with high g values-shake
Dynamic compound mechanics environmental simulation, can examine the structural strength of Related product, and anti shock and vibration performance and corresponding software are controlled
Strategy, for research and development, production and the assessment of performance of product provide a kind of more efficiently test method.
Existing impact test equipment mainly has Machete to hammer into shape, air bubble, Hopkinson bar etc., and vibration rig is main
There are electromagnetic vibration generator system, electro-hydraulic shaker table, mechanical vibration generator system etc., the said equipment has obtained extensively should in various dynamic environmental tests
With, but, above-mentioned environment simulation test system only possesses single shock environment or single vibration environmental simulation ability, for some
Particular application, equipment can simultaneously experience the compound action of shock loading and oscillating load, the position that this compound action causes
Skew is put, malformation even allomeric function failure is not the simple linear superposition of single load.Now there are some researches show multiple
Close environmental test more can effectively excite product bug than single environment experiment, and its essential reason is system under combinational environment
Structural parameters can occur obvious nonlinear change.Therefore, grinding for impact-vibration coupling environmental test system is proposed in engineering
Hair demand.
The content of the invention
It is an object of the invention to provide a kind of reliable design, work safety, automaticity impact higher-vibration coupling
Cyclization border test fixture and feed arrangement, can be used to impact-vibration coupling environmental simulation test, overcome conventional impact experimental bench and
Vibration experiment table only possesses single environment analog capability, it is impossible to which failure problems essential reason lacks under true reflection combinational environment
Point;Based on the electromagnetic type feed system that linear magneto is constituted, conventional hydraulic feed system floor space is overcome greatly, dynamic
Low-response, working condition is possessed fast dynamic response ability by the big shortcoming of external environmental interference, can meet high speed repeat impact
Experiment demand.
Technical solution of the invention is:The present invention proposes a kind of high speed reciprocating impact-vibration coupling test fixture
And quick response feed arrangement, including electromagnetic vibration generator system, pedestal liner plate, slide rail, auxiliary liner plate, linear magneto, concave station, plus
Rate signal Acquisition Circuit, laser opposite-radiation sensor, DSP control circuits;The pedestal liner plate is tightly fixed to electric and magnetic oscillation
On the table top of platform, required mechanical oscillation can be jointly produced with table top;Slide rail is arranged on pedestal liner plate;Concave station is provided with and slide rail
The groove of cooperation, forms guiding mechanism, can be along slide rail straight reciprocating motion;Linear Magnetor stator part is fixed on pedestal lining
On plate, subpart is connected with concave station, is capable of achieving fast feed and the rollback of concave station;Install at laser opposite-radiation sensor emission end
In on pedestal liner plate, receiving terminal is installed on auxiliary liner plate, is respectively in slide rail both sides, and its output is connected to DSP control circuits
I/O ports;Acceleration signal Acquisition Circuit is located in concave station, and its output is connected to the I/O ports that DSP controls circuit, can be real-time
Acceleration value on collection test specimen.
Further in specific embodiment, described concave station includes lower position block, spring, keeping body, upper limit position block, guarantor
Hold lid;Lower position block is arranged at the concave station bottom, is connected with housing by bolt, the displacement that limitation keeping body is moved downward;Concave station
Upper limit position block, the displacement that limitation keeping body is moved upwards are arranged at top;Spring one end connection concave station bottom, one end connection keeping body,
Impaction state is kept, keeping body is pressed on upper limit position;To keep covering at the top of keeping body, by bolt and holding body sidewall
Closely connection.
Further in specific embodiment, acceleration signal Acquisition Circuit is located in keeping body, and its output is connected to DSP
The I/O ports of circuit are controlled, acceleration value that can be on Real-time Collection test specimen.
Further in specific embodiment, also including initial limited block, in place limited block, the fast feed of concave station and return
Move back;Its feed distance is limited by limited block in place, and retraction stroke is limited by initial limited block.
Further in specific embodiment, also including rollback location switch, feeding location switch, laser opposite-radiation sensing
Device transmitting terminal is installed on pedestal liner plate, and receiving terminal is installed on auxiliary liner plate, is respectively in slide rail both sides, and position is with rollback in place
The signal of switch is engaged, and its output is connected to the I/O ports that DSP controls circuit.
Further in specific embodiment, described rollback location switch is arranged on auxiliary liner plate, its trigger position
With initial limited block position consistency, export and be connected to the I/O ports that DSP controls circuit;Feeding location switch is arranged on auxiliary and serves as a contrast
On plate, its trigger position and in place limited block position consistency, output are connected to the I/O ports that DSP controls circuit;
Further in specific embodiment, described DSP control circuits include:Laser-correlation sensor is retracted by detection
Detect in place, feeding is detected in place, judgement, linear magneto motion/stop control being blocked in operation.
High speed reciprocating impact-vibration coupling test fixture of the invention and quick response feed arrangement, with following notable
Advantage and advantage:
(1)Can be used to impacting-combined environment testing is vibrated, can further reflect high-precision electronic device under some special duty faces
The particular surroundings for being undergone, is conducive to the origin cause of formation of failure problems under discovery combinational environment, overcomes existing single environment simulation examination
The deficiency of proved recipe method.
(2)Change experimental condition by rational, can also realize single shock environmental test or single vibration environment
Experiment, enriches the test capability of whole system, can meet the demand of variety classes dynamic environmental test.
(3)Quick response Design of Feed System based on electromagnetic type, overcomes conventional hydraulic feed system dynamic response slowly,
Working condition is influenceed greatly by external conditions such as temperature, and floor space is wide, and cost is high, and Hydraulic Station needs long term maintenance etc. to lack
Point.
(4)Based on correlation laser sensor and High Performance DSP design on control circuit, be capable of achieving test specimen to be measured it is accurate from
Dynamic feeding, operating position is fed in window time by test specimen to be measured, both ensure that the validity of experiment, also improves system
Automaticity.
(5)Based on rollback location switch, feeding location switch and DSP design on control circuit, actuating mechanism motion is capable of achieving
To specified location, linear magneto is protected in the timely automated power-off of electromagnetism feed mechanism current supply circuit.
(6)Based on the acceleration sample circuit design inside keeping body, can accurately reflect on test specimen to be measured
Acceleration value, and the storage of test data is realized, reclaim the treatment such as analysis.
Brief description of the drawings
Fig. 1 is high speed reciprocating impact-vibration coupling test fixture of the invention and quick response feed arrangement general structure
Schematic diagram
Fig. 2 is concave station part detail view in Fig. 1
The part shown in each figure indicated by reference is respectively above:
1st, electromagnetic vibration generator system;2nd, pedestal liner plate;3rd, slide rail;4th, liner plate is aided in;5th, linear magneto;6th, initial limited block;7、
Limited block in place;8th, concave station;9th, lower position block;10th, spring;11st, keeping body;12nd, upper limit position block;13rd, lid is kept;14th, accelerate
Degree signal acquisition circuit;15th, laser opposite-radiation sensor;16th, rollback location switch;17th, location switch is fed;18th, DSP controls
Circuit.
Specific embodiment
With reference to Fig. 1 to Fig. 2, the present invention will be described in detail, so that application example of the invention is expanded on further, if
Meter scheme and feature advantage.
High speed reciprocating impact-vibration coupling test fixture of the invention and quick response feed arrangement, can be used to impact-shake
Dynamic combined environment testing, can further reflect the particular surroundings that high-precision electronic device is undergone under some special duty faces.Bag
Include electromagnetic vibration generator system 1, pedestal liner plate 2, slide rail 3 aids in liner plate 4, linear magneto 5, initial limited block 6, in place limited block
7, concave station 8, lower position block 9, spring 10, keeping body 11, upper limit position block 12 keeps lid 13, and acceleration signal Acquisition Circuit 14 swashs
Light emission sensor 15, rollback location switch 16 feeds location switch 17, DSP control circuits 18.
The pedestal liner plate 2 is tightly fixed on the table top of electromagnetic vibration generator system 1, and pedestal liner plate 2 can be with the table top of electromagnetic vibration generator system 1
Associated movement, remaining part is based on pedestal liner plate 2 and installs, and can be loaded to test specimen to be measured by controlling the vibration of electromagnetic vibration generator system
Required oscillating load.
The slide rail 3 is arranged on pedestal liner plate 2, and the housing of concave station 8 is provided with the groove coordinated with slide rail, forms Guiding machine
Structure, can be along slide;Limited block 7 in place and initial limited block 6 are installed on the stroke of slide rail 3, for limiting concave station 8
Stroke.During the feeding of concave station 8, by touching, limited block 7 stops at assigned work position in place;Likewise, in concave station 8 times
During moving back, initialization position is stopped at by touching initial limited block 6.
The stationary part of the linear magneto 5 is fixed on pedestal liner plate 2, and subpart is connected with concave station 8, is driven
Concave station mechanism is fed and fallback action.
Lower position block 9 is arranged at the bottom of the concave station 8, is connected with housing by bolt, the position that limitation keeping body 11 is moved downward
Move;Upper limit position block 12 is arranged at the top of concave station 8, limits the displacement that keeping body 11 is moved upwards, by the limitation of upper and lower limited block, can
Keeping body 11 is set to make the reciprocating motion of limited travel along concave station inwall;The one end of spring 10 connection concave station bottom, one end connection keeps
Body 11, keeps impaction state under normal circumstances, and keeping body 11 is pressed on into upper limit position, and under percussion, spring 10 enters
One step is compressed, and keeping body 11 moves downwardly to lower limit position, and the test specimen to be measured inside keeping body 11 produces overloading acceleration.Protect
The top of body 11 is held to keep lid 13, is closely connected with the side wall of keeping body 11 by bolt, for fixing and compressing test specimen to be measured.
The transmitting terminal of laser opposite-radiation sensor 15 is installed on pedestal liner plate 2, and receiving terminal is installed on auxiliary liner plate 4
On, slide rail both sides are respectively in, position is engaged with the useful signal stroke of rollback location switch 16.When the feeding of concave station 8 is left just
Beginning position, after causing the signal saltus step of rollback location switch 16, will the signal saltus step of triggering laser opposite-radiation sensor 14, its output connects
It is connected to the I/O ports that DSP controls circuit.
The feeding location switch 17 is arranged on auxiliary liner plate 4, its signal trigger position and the in place position one of limited block 7
Cause, output is connected to the I/O ports that DSP controls circuit, when test specimen to be measured completes feed motion, and in the work of limited block 7 in place
After with lower arrival assigned work position, synchronous triggering is fed into location switch 17, by cutting off linear magnetoelectricity after of short duration time delay
The current supply circuit of machine, prevents the mistake cause thermal damage of its mover;Likewise, the rollback location switch 16 is arranged on auxiliary liner plate 4,
Its signal trigger position and the position consistency of initial limited block 6, output are connected to the I/O ports that DSP controls circuit, when test specimen to be measured
Fallback action is completed, and after stopping at initial position under the limitation of initial limited block 6, by synchronous triggering rollback location switch
16, the current supply circuit by cutting off linear magneto after of short duration time delay prevents the mistake cause thermal damage of its mover.
Described acceleration signal Acquisition Circuit is located in keeping body, and its output is connected to the I/O ends that DSP controls circuit
Mouthful, experiment acceleration value that can be on Real-time Collection test specimen.
Described DSP control circuits include:Laser-correlation sensor detects that feeding is examined in place in place by detection, rollback
Survey, judgement, linear magneto motion/stop control being blocked in operation.
Embodiment 1
Below in conjunction with the accompanying drawings and specific embodiment, the present invention will be further described.
With reference to Fig. 1, Fig. 2, high speed reciprocating impact-vibration coupling test fixture of the invention and quick response feed arrangement,
Including 1, electromagnetic vibration generator system;2nd, pedestal liner plate;3rd, slide rail;4th, liner plate is aided in;5th, linear magneto;6th, initial limited block;7、
Limited block in place;8th, concave station;9th, lower position block;10th, spring;11st, keeping body;12nd, upper limit position block;13rd, lid is kept;14th, accelerate
Degree signal acquisition circuit;15th, laser opposite-radiation sensor;16th, rollback location switch;17th, location switch is fed;18th, DSP controls
Circuit.
Pedestal liner plate 2 is tightly fixed on the table top of electromagnetic vibration generator system 1, can be with the table top associated movement of electromagnetic vibration generator system 1, remaining
Part is based on pedestal liner plate 2 and installs, and can be carried by controlling the vibration of electromagnetic vibration generator system to load required vibration to test specimen to be measured
Lotus.
Slide rail 3 is arranged on pedestal liner plate 2, and the housing of concave station 8 is provided with the groove coordinated with slide rail, forms guiding mechanism, can
Along slide;Limited block 7 in place and initial limited block 6 are installed on the stroke of slide rail 3, the stroke for limiting concave station 8.
The stationary part of linear magneto 5 is fixed on pedestal liner plate 2, and subpart is connected with concave station 8, for driving concave station mechanism
Fed and fallback action.During work, after control system sends feed motion instruction, linear magneto 5 drives concave station
8, fed to operating position along slide rail 3 is rapid, assigned work position is stopped at by touching limited block 7 in place, carry out impact examination
Test.After impact process terminates, in the presence of the instruction of control system fallback action, linear magneto 5 drives concave station 8 along slide rail
3 are retracted to initialization position, and initial position is stopped at by touching initial limited block 6.
Lower position block 9 is arranged at the bottom of concave station 8, is connected with housing by bolt, the displacement that limitation keeping body 11 is moved downward;It is recessed
Upper limit position block 12 is arranged at the top of platform 8, and the displacement that limitation keeping body 11 is moved upwards, by the limitation of upper and lower limited block, can make holding
Body 11 makees the reciprocating motion of limited travel along concave station inwall;The one end of spring 10 connection concave station bottom, one end connection keeping body 11, just
Impaction state is kept in the case of often, keeping body 11 is pressed on upper limit position, under percussion, spring 10 is further pressed
Contracting, keeping body 11 moves downwardly to lower limit position, and the test specimen to be measured inside keeping body 11 produces overloading acceleration.Keeping body 11
Top is closely connected, for fixing and compressing test specimen to be measured by bolt to keep lid 13 with the side wall of keeping body 11.
The transmitting terminal of laser opposite-radiation sensor 15 is installed on pedestal liner plate 2, and receiving terminal is installed on auxiliary liner plate 4, point
The both sides of slide rail 3 are listed in, position is engaged with the useful signal stroke of rollback location switch 16, its output is connected to DSP control electricity
The I/O ports on road.Usually in the case of, concave station 8 will not be received to the transmitting of laser opposite-radiation sensor 15 and produce stop, its reception
End receives the light that end transmitting occurs all the time;After control system sends feed motion instruction, linear magneto 5 drives recessed
Platform 8 is moved to operating position, it will is received generation to the transmitting of laser opposite-radiation sensor 14 and is once stopped process, is in particular in
Saltus step twice occurs on the signal of receiving terminal, according to the time point of first time saltus step, with reference to the turntable rotating speed and definitely of front end
Test specimen to be measured is fed into operating position by position data, control electromagnetism feed system in designed time window, it is ensured that punching
Hit the validity of experiment.
Feeding location switch 17 is arranged on auxiliary liner plate 4, its signal trigger position and the in place position consistency of limited block 7,
Output is connected to the I/O ports that DSP controls circuit;When test specimen to be measured completes feed motion, and in the presence of limited block 7 in place
After reaching operating position, synchronous triggering is fed into location switch 17, the power supply by cutting off linear magneto after of short duration time delay
Loop, prevents the mistake cause thermal damage of its mover;Likewise, rollback location switch 16 is arranged on auxiliary liner plate 4, its signal trigger bit
Put and be connected to the I/O ports that DSP controls circuit with the position consistency of initial limited block 6, output, moved when test specimen to be measured completes to retract
Make, and after returning to initial position under the limitation of initial limited block 6, synchronous triggering rollback location switch 16 prolongs by of short duration
When after cut off the current supply circuit of linear magneto, prevent the mistake cause thermal damage of its mover.Acceleration signal Acquisition Circuit 14 is located at
In keeping, its output is connected to the I/O ports that DSP controls circuit, and after work starts, DSP control circuits accelerate Real-time Collection
Degree signal, on the one hand by data storage to storage chip, for later stage treatment, on the one hand will draw real time acceleration and crosses carrier wave
Shape, is transferred to system interface and shows.
The course of work
With reference to Fig. 1, Fig. 2, high speed reciprocating impact-vibration coupling test fixture of the invention and quick response feed arrangement are worked
Journey is as follows:
After system work starts, electromagnetic vibration generator system 1 starts work first, provides high to package unit according to the input signal given
Frequency vibration, realizes the oscillating load loading of test specimen.After system start-up, the big quality rotary impact platform of front end has one slowly
Accelerator, the impact for now occurring is considered as invalid.After turntable reaches setting speed, feed motion is manually sent
Instruction, DSP control system is according to current turntable rotating speed, absolute position, the output of photoelectricity emission sensor, real-time control feeding
Action, makes test specimen to be measured be fed in the window of design in place, completes Impulsive load;Now, due to impact head impact and electromagnetism
The collective effect of shake table vibration, impacted on test specimen to be measured-vibrate combinational environment.After system work starts, acceleration
Sample circuit Real-time Collection test specimen acceleration signal to be measured, on the one hand stored original data transmissions to storage chip, for the later stage
Recycling;On the one hand real time acceleration waveform is drawn, is transmitted to front end and is shown.
A whole set of test fixture and its feed arrangement have complete design protection, after concave station moves to operating position, touch
Hair feeding location switch output, DSP control system thinks that feeding process has been completed after detecting the signal, will after of short duration time delay
The current supply circuit of linear magneto is cut off, protecting the mover of magneto will not damage because of overheat.After off-test, manually
Fallback action instruction is sent, linear magneto counter motion retracts to initial position concave station, triggers rollback location switch,
DSP control system thinks that back off procedure has been completed after detecting the signal, and linear magnetoelectricity is cut off after also passing through of short duration time delay
The current supply circuit of machine, protecting the mover of magneto will not damage because of overheat.Additionally, when feed motion instruction and fallback action
After instruction sends, if being not detected by laser opposite-radiation sensor output signal saltus step in certain hour or feeding/rollback is opened in place
Output is closed, then system automatic decision feeds/retract failure, and linear magneto power supply circuit is cut off in time, prevents magnetoelectricity machine burning
Ruin, meanwhile, failure alarm signal is sent, point out operating personnel treatment.
High speed reciprocating impact-vibration coupling test fixture of the invention and quick response feed arrangement, can be applied to impact-
Vibration combined environment testing, overcomes conventional impact experimental bench and vibration experiment table and only possesses lacking for single environment analog capability
Fall into, can further reflect particular job environment that high-precision electronic device is undergone under some special duty faces, system design can
Lean on, work safety, automaticity is higher.
Claims (7)
1. a kind of high speed reciprocating impact-vibration coupling test fixture and quick response feed arrangement, it is characterised in that:Including electromagnetism
Shake table(1), pedestal liner plate(2), slide rail(3), auxiliary liner plate(4), linear magneto(5), concave station(8), acceleration signal
Acquisition Circuit(14), laser opposite-radiation sensor(15), DSP control circuit(18);The pedestal liner plate(2)It is tightly fixed to electricity
Magnetic vibration platform(1)Table top on, required mechanical oscillation can be jointly produced with table top;Slide rail(3)Installed in pedestal liner plate(2)
On;Concave station(8)The groove coordinated with slide rail is provided with, guiding mechanism is formed, can be along slide rail straight reciprocating motion;Described is linear
Magneto(5)Stationary part is fixed on pedestal liner plate(2)On, subpart and concave station(8)It is connected, is capable of achieving concave station(8)It is fast
Speed feeding and rollback;Described laser opposite-radiation sensor(15)Transmitting terminal is installed on pedestal liner plate(2)On, receiving terminal is installed on
Auxiliary liner plate(4)On, it is respectively in slide rail(3)Both sides, its output is connected to DSP control circuits(18)I/O ports;Described adds
Rate signal Acquisition Circuit(14)Positioned at concave station(8)Interior, its output is connected to DSP control circuits(18)I/O ports, can be real-time
Acceleration value on collection test specimen.
2. high speed reciprocating impact-vibration coupling test fixture and quick response feed arrangement, its feature according to claim 1
It is:Described concave station(8)Including lower position block(9), spring(10), keeping body(11), upper limit position block(12), keep lid
(13);The concave station(8)Lower position block is arranged at bottom(9), it is connected with housing by bolt, limit keeping body(11)Move downward
Displacement;Concave station(8)Upper limit position block is arranged at top(12), limit keeping body(11)The displacement of motion upwards;Spring(10)One end connects
Concave station bottom, one end connection keeping body(11), impaction state is kept, by keeping body(11)It is pressed on upper limit position;Keeping body
(11)Top is covered for holding(13), by bolt and keeping body(11)Side wall is closely connected.
3. high speed reciprocating impact-vibration coupling test fixture and quick response feed arrangement, its feature according to claim 2
It is:Acceleration signal Acquisition Circuit(14)Positioned at keeping body(11)Interior, its output is connected to the I/O ports that DSP controls circuit,
Acceleration value that can be on Real-time Collection test specimen.
4. high speed reciprocating impact-vibration coupling test fixture and quick response feed arrangement, its feature according to claim 1
It is:Also include initial limited block(6), limited block in place(7), its feed distance is by limited block in place(7)Limit, retraction stroke
By initial limited block(6)Limit.
5. high speed reciprocating impact-vibration coupling test fixture and quick response feed arrangement, its feature according to claim 1
It is:Also include rollback location switch(16), feeding location switch(17), laser opposite-radiation sensor(15)Transmitting terminal is installed on
Pedestal liner plate(2)On, receiving terminal is installed on auxiliary liner plate(4)On, it is respectively in slide rail(3)Both sides, position and rollback location switch
(16)Signal be engaged, its output be connected to DSP control circuit(18)I/O ports.
6. high speed reciprocating impact-vibration coupling test fixture and quick response feed arrangement, its feature according to claim 5
It is:Described rollback location switch(16)Installed in auxiliary liner plate(4)On, its trigger position and initial limited block(6)Position
Unanimously, output is connected to DSP control circuits(18)I/O ports;Feeding location switch(17)Installed in auxiliary liner plate(4)On,
Its trigger position and limited block in place(7)Position consistency, output is connected to DSP control circuits(18)I/O ports.
7. high speed reciprocating impact-vibration coupling test fixture and quick response feed arrangement, its feature according to claim 1
It is:Described DSP control circuits(18)Including:Laser-correlation sensor detects that feeding is examined in place in place by detection, rollback
Survey, judgement, linear magneto motion/stop control being blocked in operation.
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Cited By (5)
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CN108254149A (en) * | 2018-01-22 | 2018-07-06 | 航天科工防御技术研究试验中心 | A kind of multi and impact combined environment testing system |
CN108399417A (en) * | 2018-01-22 | 2018-08-14 | 航天科工防御技术研究试验中心 | A kind of signal separating method for multi and impact combined environment testing |
CN108760205A (en) * | 2018-06-21 | 2018-11-06 | 南京理工大学 | Auto-excitation type impact-vibration composite test fixture and its feed arrangement |
CN111751227A (en) * | 2020-08-03 | 2020-10-09 | 哈尔滨工程大学 | Impact testing device and experimental method based on space motion sandwich plate structure |
CN112525578A (en) * | 2020-12-09 | 2021-03-19 | 中国工程物理研究院总体工程研究所 | Environmental test device and test method for self-heating device |
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CN111751227A (en) * | 2020-08-03 | 2020-10-09 | 哈尔滨工程大学 | Impact testing device and experimental method based on space motion sandwich plate structure |
CN112525578A (en) * | 2020-12-09 | 2021-03-19 | 中国工程物理研究院总体工程研究所 | Environmental test device and test method for self-heating device |
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