CN106568659A - Impact testing apparatus - Google Patents
Impact testing apparatus Download PDFInfo
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- CN106568659A CN106568659A CN201510655409.1A CN201510655409A CN106568659A CN 106568659 A CN106568659 A CN 106568659A CN 201510655409 A CN201510655409 A CN 201510655409A CN 106568659 A CN106568659 A CN 106568659A
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Abstract
The invention provides an impact testing apparatus, comprising a testing platform, a sample supporting seat, an elevating gear, a measuring device and a control device, wherein the sample supporting seat is arranged on the testing platform; an impact assembly comprises an impact hammerhead which is arranged to be opposite to the sample supporting seat; the elevating gear comprises an elevating rack, an adsorption unit and an elevation driving mechanism; the measuring device comprises a first force transducer, a second force transducer and a displacement sensor; the first force transducer is arranged on the upper end of the impact hammerhead; the second force transducer is arranged on the bottom end of the sample supporting seat; the displacement sensor is mounted on the testing platform; and the control device is electrically connected with the elevation driving mechanism, the first force transducer, the second force transducer and the displacement sensor, separately. The impact testing apparatus can carry out impact tests on metal cellular materials; and the impact testing apparatus is capable of accomplishing other drop-hammer type impact tests by only changing a support clamp and the impact hammerhead and can record related data in testing process.
Description
Technical field
The technical field of the strength characteristics of mechanical stress test solid material is the present invention relates to the use of, more particularly to
A kind of impact test equipment.
Background technology
Metal honeycomb material is that a kind of intrinsic silicon has a large amount of connections or the novel light in non-intercommunicating pore hole is more
Functional material.Due to the diversity and particularity of microcellular structure, metal honeycomb material has many excellent things
Rationality energy, with higher specific strength and specific stiffness, higher damping vibration attenuation and impact energy-absorbing efficiency can
Absorb substantial amounts of impact kinetic energy in the case where relatively low stress level is kept, be widely used in Aero-Space, automobile,
The industrial circles such as the energy, chemical industry and building, in being applied especially to various energy-absorbing members.Metal beehive material
Material has a wide range of applications in the numerous areas such as the development of the national economy and national defence high-tech.Therefore, study
The dynamic response of this light material and energy absorption mechanism seem extremely important under shock loading.
At present, for the impact test of metal, mainly there are two big class methods：Pendulum method and drop weight method.Pendulum
Formula shock machine mainly utilizes the kinetic energy that hammer body is obtained in swing process to impact tested metal examination
Sample, is mainly used in metal Charpy-type test etc., is absorbed during thrusting to test test button
Impact kinetic energy, obtain the final result of test, but this method can not record whole process of the test, especially
It can not obtain the power-displacement-energy relationship curve in impact process.Traditional non-instrument drop impact examination
Testing owner will detect anti-damage performance of the sample in impact process by the movement of falling object of tup,
Can only solely judge sample to be hit when acting on whether to destroy.The drop hammer tester of non-instrument is same
The dynamic data of whole impact process can not be directly obtained, it is impossible to record experimentation.
Therefore, it is necessary to provide a kind of technological means to solve drawbacks described above.
The content of the invention
It is an object of the invention to overcome the defect of prior art, there is provided a kind of impact test equipment, to solve
The impact test equipment of prior art can not directly obtain the dynamic data in whole impact process and cannot
The problem of record experimentation.
The present invention is achieved in that impact test equipment, including：
For the test platform of part installation settings；
Stop for test sample and place sample support seat, the sample support seat is on the test platform；
To from top to bottom vertically impact is placed in rushing for the test sample of the sample support seat
Component is hit, the impact component includes a top for being located at the sample support seat and can vertically move
The impact tup of setting, the impact tup is to in the sample support seat；
To the lowering or hoisting gear for making the impact component vertically move, the lowering or hoisting gear includes being located at
Crane, the mobile suction being located on the crane to adsorb the impact component on the test platform
Coupon unit, be connected on the crane and with the absorbing unit to order about what the absorbing unit was moved
Lift drive mechanism；
To test it is described impact component impact be placed on the sample support seat the test sample when
The related data of power, displacement and energy simultaneously the related data can be reached the measurement apparatus of specified location, described
Measurement apparatus include sensing the active force that the test impact component is produced the first force transducer, to
Sensing tests the second force transducer of the active force that the sample support seat is subject to and to sense test institute
The displacement transducer of the displacement of impact component movement is stated, first force transducer is located at the impact tup
Upper end, second force transducer is located at institute located at the bottom of the sample support seat, institute's displacement sensors
State on test platform；And
To control the blasting operation of the impact component and receive the dependency number transmitted by the measurement apparatus
Analysis according to this draws the control device of the shock dynamics performance of the test sample, the control device difference
With the elevation driving unit, first force transducer, second force transducer, the displacement sensing
Device is electrically connected.
Specifically, the crane includes guide post and machine top protective cover, and the guide post is vertically located at described
On test platform, and it is flexibly connected with the impact component, machine top protective cover is located at the guide post
Upper end.
Further, the lift drive mechanism includes motor and screw mandrel, and the motor is protected located at the machine top
In shield, the screw mandrel vertically on the test platform, and the screw mandrel respectively with the motor, institute
State absorbing unit connection.
Specifically, the impact component also includes the weights of the weight for adjusting the impact tup,
The weights are located at the upper end of the impact tup.
Specifically, the impact tup includes the fixed part being connected and on the fixed part
To impact the impact portion of the test sample.
Further, the connection between the fixed part and the impact portion is to be threadedly coupled.
Specifically, the impact test equipment also includes the initial velocity needed for provide to the impact component
Accumulator, the accumulator located at the crane upper end, and with it is described impact component elastic connection.
Specifically, the impact test equipment also includes avoiding the test sample from receiving in impact experiment
To the anti-secondary pulse device of the destruction of secondary pulse, the anti-secondary pulse device is located at the test platform
The upper and close test supporting table.
Specifically, the control device includes a host computer, and the host computer is equipped with a man machine interface and shows
Shield, and the inside of the host computer is provided with to control the PLC controls of the blasting operation for impacting component
Device and to gather the sensing of first force transducer, second force transducer and institute displacement sensors
The data collecting card of the related data that test is obtained, the man machine interface display screen is controlled respectively with the PLC
Device, data collecting card electrical connection, the PLC is electrically connected with the lift drive mechanism, institute
State data collecting card to be electrically connected with first force transducer, second force transducer and institute's displacement sensors
Connect.
Further, first force transducer, second force transducer and institute's displacement sensors difference
Electrically connected with the data collecting card by a signal conditioner.
The technique effect of impact test equipment of the present invention is：The impact test equipment of the present invention is mainly by testing
Platform, sample support seat, impact component, lowering or hoisting gear, measurement apparatus and control device composition, wherein,
Measurement apparatus include the first force transducer, the second force transducer and displacement transducer, thus, survey in impact
During examination, jump bit can be respectively measured by the first force transducer of measurement apparatus, the second force transducer
Head is applied to the force value at the top of test sample, impact tup and is delivered to rushing for sample support seat via test sample
Hit power；Further, can measure impact tup and perform blasting operation by the displacement transducer of measurement apparatus
The displacement of incipient stage to ending phase；Afterwards, first force transducer, the second force transducer and position
The related data of correspondence measurement can be uploaded to control device by displacement sensor, then by control device calculate analysis with
Draw the shock dynamics performance of test sample.
Simultaneously, the force value that can be measured by the first force transducer, calculates impact tup in impact process
In acceleration change, the displacement of impact process is calculated with this, then again by the displacement and displacement
The displacement that sensor is measured is compared, to verify the error size of impact process, it is ensured that experimental result
Reliability.
Further, the impact test equipment of the present invention, can preferably apply the impact experiment in metal honeycomb material,
To other types of material are implemented with drop experiment, need to only change support fixture and impact tup i.e.
Can；Meanwhile, can by the data record of instrumentation, to metal honeycomb material impact process kinetics
Energy parameter carries out quantitative analyses, draws out the power-displacement-energy curve of metal honeycomb material impact process, with
And the characterisitic parameter of shock dynamics：Peak-peak power, compression maximum displacement, the platform of metal beehive should
Power, densification strain and densification strain energy etc..
Description of the drawings
Fig. 1 is the schematic diagram of the impact test equipment of the present invention；
Fig. 2 is the schematic diagram when jump bit primary drying of the impact test equipment of the present invention hits test sample；
Fig. 3 is the schematic diagram that the lift drive mechanism of the impact test equipment of the present invention drives absorbing unit；
Fig. 4 is that the displacement transducer test jump bit primary drying of the impact test equipment of the present invention hits test sample
Displacement schematic diagram；
Fig. 5 a are the structural representation of the impact tup of the impact test equipment of the present invention, cylindric to show
The impact portion of structure；
Fig. 5 b are another kind of structural representation of the impact tup of the impact test equipment of the present invention, to show
The impact portion of square structure；
Fig. 5 c are another kind of structural representation of the impact tup of the impact test equipment of the present invention, to show
The impact portion of ball head structure；
Fig. 5 d are another kind of structural representation of the impact tup of the impact test equipment of the present invention, to show
The impact portion of prong structure；
Fig. 6 is the system control schematic diagram of the control device of the impact test equipment of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing and reality
Example is applied, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
Only to explain the present invention, it is not intended to limit the present invention.
Fig. 1 to Fig. 6 is referred to, the present invention provides a kind of impact test equipment, the impact test is set below
Standby embodiment is illustrated.
The impact test equipment 100 of the present embodiment, can be applicable to the shock-testing of metal honeycomb material, and under
The test sample 200 that face is previously mentioned is metal honeycomb material, wherein, metal honeycomb material is a kind of matrix
There is the novel light multifunctional material in a large amount of connections or non-intercommunicating pore hole in inside.And the impact test equipment
100 include test platform 10, sample support seat 20, impact component 30, lowering or hoisting gear 40, measurement apparatus
50 and control device 60, each part of impact test equipment 100 is described further below：
Test platform 10 is for part installation settings, it is preferred that the test platform 10 is set to a square knot
Structure, in order to production and processing；
Sample support seat 20 is to stop to place for test sample 200, wherein, sample support seat 20 is located at examination
Test on platform 10, and the sample support seat 20 is included with a hard plate 21 and located at hard plate 21
Bottom leg 22, the leg 22 is fixedly arranged on test platform 10；
Impact component 30 is the test examination that sample support seat 20 is placed in vertically impact from top to bottom
Sample 200, wherein, impact component 30 include one be located at sample support seat 20 top and can be vertically
The mobile impact tup 31 for arranging, impact tup 31 pairs is in sample support seat 20；
Lowering or hoisting gear 40 is impact component 30 is vertically moved up and down, wherein, lowering or hoisting gear
40 include the crane 41 being located on test platform 10, movement on crane 41 to adsorb impact
The absorbing unit 42 of component 30, it is connected on crane 41 and with absorbing unit 42 single to order about absorption
The lift drive mechanism 43 of the movement of unit 42；
Measurement apparatus 50 are to test the test examination that the impact impact of component 30 is placed on sample support seat 20
The related data can simultaneously be reached specified location by the related data of power, displacement and energy during sample 200, wherein,
Measurement apparatus 50 include sensing the active force that test impact component 30 is produced the first force transducer 51,
To sense the second force transducer 52 of the active force that test sample support base 20 is subject to and to sense
The displacement transducer 53 of the displacement of the test impact movement of component 30, the first force transducer 51 is located at jump bit
31 upper end, the second force transducer 52 is located at the bottom of sample support seat 20, displacement transducer 53
On test platform 10, wherein, force transducer is a kind of electricity that force signal is changed into electric signal output
Subcomponent；In addition, displacement transducer 53 is also called linear transducer, it is a kind of line for belonging to metal sensing
Property device, its effect is that various measurands are converted to electricity, it is preferred that the displacement transducer 53
For a laser displacement sensor；
Control device 60 is to control to impact the blasting operation of component 30 and receive to be passed by measurement apparatus 50
The related data for sending to analyze the shock dynamics performance for drawing test sample 200, wherein, control device
60 respectively with lift drive mechanism 43, the first force transducer 51, the second force transducer 52, displacement transducer
53 electrical connections.
The impact test equipment 100 of the present embodiment is main by test platform 10, sample support seat 20, impact
Component 30, lowering or hoisting gear 40, measurement apparatus 50 and control device 60 are constituted, wherein, measurement apparatus 50
Including the first force transducer 51, the second force transducer 52 and displacement transducer 53, thus, survey in impact
During examination, impact tup 31 can be respectively measured by the first force transducer 51, the second force transducer 52
It is applied to the force value at the top of test sample 200, impact tup 31 and is delivered to sample via test sample 200
The impulsive force of support base 20；Further, can measure impact tup 31 and perform by displacement transducer 53
The displacement of the incipient stage of blasting operation to ending phase；Afterwards, first force transducer 51, second
The related data of correspondence measurement can be uploaded to control device 60 by force transducer 52 and displacement transducer 53,
Calculated by control device 60 again and analyze to draw the shock dynamics performance of test sample 200.
And the process of calculation analysis of the shock dynamics performance of the test sample 200 is specially：
Power-time data and punching of the impact test equipment 100 of the present embodiment by the impact measurement of tup 31
Initial velocity is hit, and then the speed that impact process impacts tup 31 can be obtained：
F is impact force value in formula, and m is the impact mass of tup 31, V0To impact initial velocity, V is impact speed
Degree.
For impact velocity not in the same time is integrated computing, can obtain impacting displacement then：
And the power and shift value to being obtained is respectively calculated, can impact in the hope of test sample 200
Stress and strain value in journey：
L is the length size of test sample 200 in formula, and F is impact force value, and S is impact displacement,
σ and ε are respectively stress and strain suffered by test sample 200
Energy variation of the test sample 200 in impact process can determine by the product of stress and strain, i.e.,：
The ratio of energy and stress is defined as into S. E. A., and densification strain is S. E. A. and reaches
To strain during maximum, the corresponding energy of densification strain is densification strain energy, by densification strain
Can try to achieve plateau stress is：
εdFor densification strain, ε0For initial strain, σplFor the plateau stress of test sample 200.
Simultaneously, the force value that the first force transducer 51 is measured can be passed through, calculates impact tup 31 in punching
Acceleration change during hitting, with this displacement of impact process is calculated, then again by the displacement
The displacement measured with displacement transducer 53 is compared, to verify the error size of impact process, it is ensured that
The reliability of experimental result.
Further, the impact test equipment 100 of the present invention, can preferably apply the impact in metal honeycomb material
Experiment, to other types of material are implemented with drop experiment, only need to change support fixture and jump bit
31；Meanwhile, can be by the data record of instrumentation, to metal honeycomb material in impact process
Dynamic parameters carry out quantitative analyses, draw out the power-displacement-energy of metal honeycomb material impact process
Curve, and the characterisitic parameter of shock dynamics：Peak-peak power, compression maximum displacement, metal beehive
Plateau stress, densification strain and densification strain energy etc..
Fig. 1 is referred to, used as the preferred implementation of the present embodiment, crane 41 includes guide post 411
And machine top protective cover 412, guide post 411 is vertically located on test platform 10, and is lived with impact component 30
Dynamic connection, machine top protective cover 412 is located at the upper end of guide post 411, wherein, by setting for guide post 411
Put, advantageously ensure that the moving direction of impact component 30.
Fig. 3 is referred to, lift drive mechanism 43 includes motor 431 and screw mandrel 432, and motor 431 is located at machine
In the protective cover 412 of top, screw mandrel 432 vertically on test platform 10, and screw mandrel 432 respectively with motor
431st, absorbing unit 42 connects, and passes through the lift drive mechanism 43 of motor 431 and the composition of screw mandrel 432,
Not only draw materials conveniently, it is easy for installation, and the setting of screw mandrel 432, absorbing unit 42 is effectively ensured along perpendicular
Nogata ensures that impact component 30 is vertically moved up and down to movement.
In addition, for convenience control impact component 30 implements blasting operation, absorbing unit 42 is electromagnetism suction
Disk, the magnechuck is electrically connected with control device 60, wherein, the operation principle of magnechuck is：Pass through
Make Inside coil be powered and produce magnetic force, through magnetic conduction panel, workpiece of the contact in panel surface is tightly held；
By coil blackout, magnetic force disappears and realizes demagnetization, unloads adsorbed workpiece.
So, when needing to carry out impact test, get required impact tup 31 ready, then inhale electromagnetism
Disk moves down into specified location and adsorbs the impact tup 31, then, inhales electromagnetism further according to test requirements document
Specified altitude assignment is moved on disk；To the falling impacts test sample 200 of impact tup 31, as long as making electromagnetism
Sucker demagnetization, it is simple and convenient.
Referring again to Fig. 1, the preferred implementation of the impact component 30 in the present embodiment is to impact component
30 also include adjusting the weights 32 of the weight for impacting tup 31, and weights 32 are located at impact
The upper end of tup 31, and pass through the setting of weights 32, can adjust out different needed for impact test punching
Energy is hit, so as to test initial condition needed for obtaining.
Fig. 5 a to Fig. 5 d are referred to, the concrete structure for impacting tup 31 is that it includes being connected
Fixed part 311 and on fixed part 311 with the impact portion 312 of shock-testing sample, be easy to this
Impact tup 31 is fixedly installed and does not affect other parts in shock-testing sample 200.Simultaneously,
For the ease of the dismounting and change between fixed part 311 and impact portion 312, fixed part 311 and impact portion 312
Between connection for threaded connection.
In addition, for the ease of processing, fixed part 311 is cylindrical-shaped structure；And the basis of impact portion 312
Impact test is required and is provided with four, and respectively cylindrical-shaped structure, square structure, ball head structure, tip are tied
Structure, wherein, wherein the impact portion 312 of cylindrical-shaped structure and the impact portion 312 of square structure can be used to test
The overall impact conquassation experiment of sample 200, the impact portion 312 and the impact portion of prong structure of ball ball head structure
The 312 local assault conquassation experiments that can be used for test sample 200 or impact bending are tested.
Fig. 1 is referred to, another embodiment of the impact test equipment 100 of the present embodiment is, impact test
Equipment 100 also includes the accumulator 70 of the initial velocity needed for provide to impact component 30, accumulator 70
Located at the upper end of crane 41, and with the impact elastic connection of component 30, and by the setting of accumulator 70,
Different initial velocity can be provided to impact component 30, to obtain different testing experiments.It is preferred that accumulation of energy
Device 70 is mainly made up of spring or other elastomeric elements, accordingly, is impacted needing to be improved by accumulator 70
During the initial velocity of component 30, if make accumulator 70 spring compress shrink and be contacted with impact component 30,
And while keeping the position between spring and impact component 30 constant, then, when impact test is carried out,
Also accumulator 70 is started in the lump, so that the spring of accumulator 70 can make impact group with elastic recovery with this
Part 30 is subject to improve its initial velocity after the elastic-restoring force of spring.
Wherein, by the impact energy and the quality of impact tup 31 of impact tup 31, impact can be calculated
Initial impact speed during 31 shock-testing sample 200 of tup, i.e.,
E=E1+E2-E3
In formula E be impact tup 31 impact energy, E1For the energy that accumulator 70 is provided, E2For impact
The gravitional force of tup 31, E3The energy lost in impact the dropping process of tup 31, m is impact tup
31 quality, v0To impact the initial velocity that tup 31 impacts metal beehive.
Please continue to refer to Fig. 1, another embodiment of the impact test equipment 100 of the present embodiment is to impact
Testing equipment 100 also includes avoiding test sample 200 from being destroyed by secondary pulse in impact experiment
Anti- secondary pulse device 80, anti-secondary pulse device 80 is on the test platform 10 and near test
Support platform 20.
Be formed around safety protective door in test platform 10, to prevent Collapse of Concrete in test sample 200
Splash, meanwhile, the safety protective door is equipped with self-locking structure, so that safety protective door is in the case of opening,
Self-locking can be carried out by self-locking structure, to prevent maloperation, it is ensured that the safety of experimenter.
Fig. 6 is referred to, and combines Fig. 1, the preferred implementation of the control device 60 in the present embodiment is,
Control device 60 includes a host computer 61, and host computer 61 is equipped with a man machine interface display screen 62, and on
The inside of position machine 61 is provided with the PLC 63 of the blasting operation for controlling impact component 30 and uses
To gather what the sensing test of the first force transducer 51, the second force transducer 52 and displacement transducer 53 was obtained
The high-speed data acquisition card 64 of related data, man machine interface display screen 62 respectively with PLC 63, high
Fast data collecting card 64 is electrically connected, and PLC 63 is electrically connected with the motor 431 of lift drive mechanism 43
Connect, data collecting card 64 is electric with the first force transducer 51, the second force transducer 52 and displacement transducer 53
Connection.
Wherein, using program controller PLC PLC 63 as design impact test equipment 100 from
The motion module controller of autocontrol system, because there is high reliability, high stability and stronger resisting to do for it
Disturb ability so that the reliability and stability of whole control system is also greatly improved.
Simultaneously, the setting of man machine interface display screen 62, can control whole impact test equipment 100
Motion and the correlation behavior parameter of display impact test equipment 100.And impact test equipment 100 is to lean on
PLC 63 is controlling its corresponding motor and I/O interface.Specifically, man machine interface display screen 62
Communicated by serial ports between PLC 63, accordingly, man machine interface display screen 62 first sends control
Making instruction, and be delivered to PLC 63, then control motion by PLC 63 is carried out accordingly
Action.And run into impact test equipment 100 and break down state, such as occur that sample is not in place, impact tup
31 do not lock, preventer is not turned off, impact tup 31 lifted it is not in place etc., also can be via PLC controls
Man machine interface display screen 62 is delivered to after the process of device 63, to remind testing crew to carry out associative operation.
It is preferred that the first force transducer 51, the second force transducer 52 and displacement transducer 53 pass through respectively
One signal conditioner and electrically connect with data collecting card 64, wherein, by the setting of signal conditioner, can
To improve the signal-noise ratio of measurement by improving signal level before signal is by Environmental Noise Influence.
So, when the first force transducer 51 and the second force transducer 52 are paramount by the force value signal input for impacting moment
Fast signal conditioner is amplified, and the signal after amplification carries out A/D conversions by high-speed data acquisition card 64,
The signal return after conversion is sent in man machine interface display screen 62 again carry out correlation analysiss and storage.
With reference to schema, the operation principle of the impact test equipment 100 of the present embodiment is further retouched
State：
When needing to carry out impact test, required impact tup 31 is got ready, then move down magnechuck
Adsorb to specified location and by the impact tup 31, then, will move on magnechuck further according to test requirements document
To specified altitude assignment；To the falling impacts test sample 200 of impact tup 31, as long as making magnechuck disappear
Magnetic.
And during shock-testing, can divide by the first force transducer 51, the second force transducer 52
Do not measure impact tup 31 and be applied to the force value at the top of test sample 200, impact tup 31 via test
Sample 200 is delivered to the impulsive force of sample support seat 20；Further, can measure by displacement transducer 53
Go out to impact the displacement that tup 31 performs the incipient stage to ending phase of blasting operation；Afterwards, this first
Force transducer 51, the second force transducer 52 and displacement transducer 53 can be by the related datas of correspondence measurement
Control device 60 is uploaded to, then analysis is calculated by control device 60 and moved with the impact for drawing test sample 200
Mechanical property.
Preferred embodiments of the present invention are the foregoing is only, its structure is not limited to the above-mentioned shape enumerated
Shape, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc.,
Should be included within protection scope of the present invention.
Claims (10)
1. impact test equipment, it is characterised in that include：
For the test platform of part installation settings；
Stop for test sample and place sample support seat, the sample support seat is on the test platform；
To from top to bottom vertically impact is placed in rushing for the test sample of the sample support seat
Component is hit, the impact component includes a top for being located at the sample support seat and can vertically move
The impact tup of setting, the impact tup is to in the sample support seat；
To the lowering or hoisting gear for making the impact component vertically move, the lowering or hoisting gear includes being located at
Crane, the mobile suction being located on the crane to adsorb the impact component on the test platform
Coupon unit, be connected on the crane and with the absorbing unit to order about what the absorbing unit was moved
Lift drive mechanism；
To test it is described impact component impact be placed on the sample support seat the test sample when
The related data of power, displacement and energy simultaneously the related data can be reached the measurement apparatus of specified location, described
Measurement apparatus include sensing the active force that the test impact component is produced the first force transducer, to
Sensing tests the second force transducer of the active force that the sample support seat is subject to and to sense test institute
The displacement transducer of the displacement of impact component movement is stated, first force transducer is located at the impact tup
Upper end, second force transducer is located at institute located at the bottom of the sample support seat, institute's displacement sensors
State on test platform；And
To control the blasting operation of the impact component and receive the dependency number transmitted by the measurement apparatus
Analysis according to this draws the control device of the shock dynamics performance of the test sample, the control device difference
With the lift drive mechanism, first force transducer, second force transducer, the displacement sensing
Device is electrically connected.
2. impact test equipment as claimed in claim 1, it is characterised in that：The crane includes being oriented to
Bar and machine top protective cover, the guide post is vertically located on the test platform, and is lived with the impact component
Dynamic connection, machine top protective cover is located at the upper end of the guide post.
3. impact test equipment as claimed in claim 2, it is characterised in that：The lift drive mechanism bag
Motor and screw mandrel are included, in the protective cover of the machine top, the screw mandrel is vertically located at the test to the motor
On platform, and the screw mandrel is connected respectively with the motor, the absorbing unit.
4. impact test equipment as claimed in claim 1, it is characterised in that：The impact component also includes
To the weights for adjusting the weight of the impact tup, the weights are located at the impact tup
Upper end.
5. impact test equipment as claimed in claim 1, it is characterised in that：The impact tup includes using
Impacting the impact portion of the test sample with the fixed part being connected and on the fixed part.
6. impact test equipment as claimed in claim 5, it is characterised in that：The fixed part and the punching
The connection hit between portion is threaded connection.
7. impact test equipment as claimed in claim 1, it is characterised in that：Also include to the punching
Hit component provide needed for initial velocity accumulator, the accumulator located at the crane upper end, and with
The impact component elastic connection.
8. impact test equipment as claimed in claim 1, it is characterised in that：Also include avoiding described
Test sample in impact experiment by secondary pulse destruction anti-secondary pulse device, it is described prevent secondary punching
Device is hit on the test platform and near the test supporting table.
9. the impact test equipment as described in any one of claim 1-8, it is characterised in that：The control dress
Put including a host computer, the host computer is equipped with a man machine interface display screen, and the inside of the host computer
It is provided with to control the PLC of the blasting operation for impacting component and to gather first power
The data of the related data that sensor, second force transducer and institute's displacement sensors sensing test are obtained
Capture card, the man machine interface display screen is electrically connected respectively with the PLC, the data collecting card,
The PLC is electrically connected with the lift drive mechanism, and the data collecting card is passed with first power
Sensor, second force transducer and institute's displacement sensors electrical connection.
10. impact test equipment as claimed in claim 9, it is characterised in that：First force transducer,
Second force transducer and institute's displacement sensors are adopted respectively by a signal conditioner with the data
Truck is electrically connected.
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| CN201510655409.1A CN106568659A (en) | 2015-10-10 | 2015-10-10 | Impact testing apparatus |
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|---|---|---|---|
| CN201510655409.1A CN106568659A (en) | 2015-10-10 | 2015-10-10 | Impact testing apparatus |
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| CN106950126A (en) * | 2017-04-25 | 2017-07-14 | 天津大学 | Object lateral impact experimental rig and its test method |
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| CN107449679A (en) * | 2017-06-30 | 2017-12-08 | 北京航空航天大学 | A kind of lander foot pad impacts soil mechanics characteristic measuring device |
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| CN107631884A (en) * | 2017-10-27 | 2018-01-26 | 天津麒聚科技股份有限公司 | A kind of cycle frame back seat load-bearing shock table |
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| CN108007774A (en) * | 2017-11-14 | 2018-05-08 | 东旭科技集团有限公司 | The apparatus and method for measuring flaky material Young's modulus |
| CN108051123A (en) * | 2017-11-20 | 2018-05-18 | 深圳先进技术研究院 | A kind of dynamic measurement system and its implementation of transient impact power impact process |
| CN108133645A (en) * | 2017-12-18 | 2018-06-08 | 安徽工程大学 | A kind of impact experiment apparatus and experimental method |
| CN109406022A (en) * | 2018-05-25 | 2019-03-01 | 苏州博之盾防护技术有限公司 | A kind of shank force test device of simulated explosion impact |
| CN109202369A (en) * | 2018-08-31 | 2019-01-15 | 西安理工大学 | A kind of beating unit and its hammering method of gravity drive |
| CN109211697A (en) * | 2018-09-30 | 2019-01-15 | 黄筑辉 | drop hammer impact testing machine |
| CN109507043A (en) * | 2018-11-26 | 2019-03-22 | 重庆津油纳米光学科技有限公司 | A kind of testing device for touch screens and its application method |
| CN109556977A (en) * | 2018-12-06 | 2019-04-02 | 上海交通大学 | A kind of light high-precision drop hammer impact testing machine |
| CN109781552A (en) * | 2019-03-01 | 2019-05-21 | 中国飞机强度研究所 | Multiple degrees of freedom impact test apparatus for Composite Panels test |
| CN110018066B (en) * | 2019-05-09 | 2024-06-11 | 清华大学苏州汽车研究院（相城） | Impact load testing device and method for aircraft engine supporting structural member |
| CN110018066A (en) * | 2019-05-09 | 2019-07-16 | 清华大学苏州汽车研究院（相城） | A kind of shock loading test device and method for aircraft engine supporting structure |
| CN110108434A (en) * | 2019-05-30 | 2019-08-09 | 上海工程技术大学 | A kind of rail system drop hammer impact testing machine |
| CN110261245A (en) * | 2019-07-08 | 2019-09-20 | 西安天金检测技术有限公司 | A kind of portable pneumatic type low-velocity impact testing machine and impact test method |
| CN110285980A (en) * | 2019-07-24 | 2019-09-27 | 上海钧正网络科技有限公司 | A kind of matrix form shock machine and test method |
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| CN110514537A (en) * | 2019-09-19 | 2019-11-29 | 中国科学院武汉岩土力学研究所 | Falling weight impact test device |
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| CN110864864A (en) * | 2019-11-22 | 2020-03-06 | 北京航空航天大学 | Experimental device and experimental method capable of observing impact deformation and impact force measurement in situ |
| CN110954413A (en) * | 2019-12-12 | 2020-04-03 | 苏州苏试试验集团股份有限公司 | Control device and control method of impact response spectrum test bed |
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| CN111929181B (en) * | 2020-07-24 | 2023-04-28 | 中煤科工集团西安研究院有限公司 | Impact rock crushing mechanism test device |
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| CN113640152B (en) * | 2021-08-05 | 2024-03-22 | 北京凯特破碎机有限公司 | Experimental device and experimental method for testing variability of crushability of steel slag particles |
| CN113640152A (en) * | 2021-08-05 | 2021-11-12 | 北京凯特破碎机有限公司 | Experimental device and experimental method for testing fragmentability and mutability of steel slag particles |
| CN114544132A (en) * | 2022-02-24 | 2022-05-27 | 安徽工业大学 | Combined drop hammer test energy absorption detection device and detection method |
| CN114544132B (en) * | 2022-02-24 | 2024-03-22 | 安徽工业大学 | Combined drop hammer test energy absorption detection device and detection method |
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