CN206311431U - High speed compression experimental rig - Google Patents
High speed compression experimental rig Download PDFInfo
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- CN206311431U CN206311431U CN201621290324.4U CN201621290324U CN206311431U CN 206311431 U CN206311431 U CN 206311431U CN 201621290324 U CN201621290324 U CN 201621290324U CN 206311431 U CN206311431 U CN 206311431U
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- 238000007906 compression Methods 0.000 title claims abstract description 43
- 230000006835 compression Effects 0.000 title claims abstract description 42
- 238000012360 testing method Methods 0.000 claims abstract description 65
- 238000002474 experimental method Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000011888 foil Substances 0.000 claims description 4
- 238000009864 tensile test Methods 0.000 claims description 4
- 238000005191 phase separation Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model is related to a kind of high speed compression experimental rig, for testing machine, the testing machine has workbench and the loading end for acting power to test specimen to be tested, the experimental rig includes base and loading chuck, the two ends of the test specimen are fixedly installed with the base and loading chuck respectively, when high speed compression experiment is carried out, the base is arranged on the workbench, the loading end is acted on the loading chuck, so that the loading chuck is moved to the direction near the base, realize the high speed compression loading to the test specimen, the experimental rig also includes the measuring unit of the compressive load being subject to for test specimen described in test compression loading procedure.Experimental rig of the present utility model can be used in combination with drop hammer tester, be capable of achieving the dynamic compressive test under basic, normal, high different strain rate.Experimental rig simple structure of the present utility model, low cost of manufacture is safe and reliable.
Description
Technical field
The utility model belongs to material mechanical performance test and representational field, for industries such as automobile, aviations, and in particular to
A kind of high speed compression experimental rig.
Background technology
Surrender and fracture mechanics behavior of the nonmetallic materials such as high polymer under car crass load depend on stretching, pressure
Contracting, shearing iso-stress state.It is necessary to obtain dynamic mechanical behavior of the material under compressing stress state by research technique, uses
To characterize the mechanics constitutive relation of high polymer material.Generally use the quasistatic pressure that electronic universal tester realizes high polymer material
Contracting test, exemplar is placed directly in the work top of equipment, and exemplar each moment is in quasistatic poised state in compression process,
Exemplar compressive load directly carries force sensor measuring with equipment, and for dynamic test, electronic universal tester cannot be used.
For MATERIALS ' DYNAMIC（Strain rate 1-400/s）Compression verification, completes, although drop weight test platform can be real on dropping shock testing stand
Existing dynamic compression impact, but in dynamic impact test, by stress wave action, on load transfer path, diverse location load signal is not
Together, the acceleration or force snesor of equipment tup are because apart from exemplar, farther out, the load signal degree of accuracy of measurement is not high, it is impossible to obtain
Take accurate material properties data.High speed tensile test machine can realize that dynamic tensile is loaded, but cannot be used directly for dynamic compression
Experiment, and high cost.
The content of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, there is provided a kind of high speed compression experiment
Device.
To solve above technical problem, the utility model is adopted the following technical scheme that：
A kind of high speed compression experimental rig, for testing machine, the testing machine has workbench and for to be tested
Test specimen acts the loading end of power, and the experimental rig includes base and loading chuck, the two ends of the test specimen respectively with institute
State base and loading chuck is fixedly installed, when high speed compression experiment is carried out, the base is arranged on the workbench, described
Loading end is acted on the loading chuck so that the loading chuck is moved to the direction near the base, is realized to institute
The high speed compression loading of test specimen is stated, the experimental rig is also included for pressing that test specimen described in test compression loading procedure is subject to
The measuring unit of contracting load.
Further, the base includes base body and the connecting clip being vertically arranged on the base body, institute
The one end and the connecting clip for stating test specimen are fixedly installed, the other end is fixedly installed with the loading chuck.
Further, the measuring unit is strain chip measuring unit, the strain of the strain chip measuring unit
Piece is arranged in the connecting clip.
Further, it is respectively provided with the receiving sky for accommodating the test specimen on the connecting clip and loading chuck
Between, the two ends of the test specimen are respectively fixedly disposed in the receiving space.
It is further preferred that the experimental rig is also included for the two ends of the test specimen to be respectively fixedly disposed at into institute
State the fastening assembly in receiving space.The fastening assembly includes to be engaged with the receiving space and described for compressing
The connecting plate of test specimen, and for the connecting plate to be fixedly installed so that the test specimen is fixed on connecting clip and loading chuck
Fastener in the receiving space.
Further, the experimental rig also includes orientation bar assembly, and the orientation bar assembly is described including being arranged on
On base body and the bearing of trend multiple orientation levers consistent with the bearing of trend of the connecting clip, the loading chuck is along institute
The length direction and multiple orientation levers for stating orientation lever are slidably connected.
It is further preferred that the base body has the accommodating chamber for accommodating the connecting clip, the base
Body includes base bottom and is separately positioned on the base sidepiece of the end side surface of the base bottom two, the base sidepiece and base
Bottom surrounds the accommodating chamber jointly, and the connecting clip is fixedly installed on the base bottom and the connecting clip is located at
In the accommodating chamber, multiple orientation levers are separately positioned on the base sidepiece.
Further, it is provided with rubber blanket with the one side of the loading end phase separation on the loading chuck.
Further, the testing machine includes drop hammer tester, high speed tensile test machine.
Due to the implementation of above-mentioned technical proposal, the utility model has the following advantages that compared with prior art：
Experimental rig of the present utility model is used in combination with drop hammer tester, is capable of achieving under basic, normal, high different strain rate
Dynamic compressive test.
Experimental rig simple structure of the present utility model, low cost of manufacture is safe and reliable.
Brief description of the drawings
Fig. 1 is the stereogram of high speed compression experimental rig of the present utility model；
Fig. 2 is the stereogram of the loading chuck of high speed compression experimental rig of the present utility model；
Fig. 3 is the base of high speed compression experimental rig of the present utility model and the stereogram of orientation lever；；
In figure：1st, base；11st, base body；11a, base bottom；11b, base sidepiece；12nd, connecting clip；12a, company
Socket part；12b, connection clip head；2nd, chuck is loaded；2a, loading clamp head；2b, loading unit；3rd, test specimen；4th, orientation lever；5th, hold
Receive space.
Specific embodiment
The utility model is further described with reference to Figure of description.
The utility model provides a kind of high speed compression experimental rig, and for testing machine, testing machine has workbench and use
In the loading end that power is acted to test specimen to be tested, the testing machine can be high speed tensile test machine, or examination of dropping hammer
Test machine.
As shown in Fig. 1 ~ 3, the experimental rig includes base 1 and loading chuck 2, the two ends of test specimen 3 respectively with base 1 and plus
Carry chuck 2 to be fixedly installed, when high speed compression experiment is carried out, base 1 is set on the table, and loading end acts on loading chuck
On 2 so that loading chuck 2 is moved to the direction near base 1, the high speed compression loading to test specimen 3 is realized, the experimental rig is also
The measuring unit of the compressive load including being subject to for test specimen 3 in test compression loading procedure.
Base 1 includes base body 11 and the connecting clip 12 that is vertically arranged on base body 11, one end of test specimen 3 with
Connecting clip 12 is fixedly installed, the other end is fixedly installed with loading chuck 2.
The experimental rig also includes orientation bar assembly, and orientation bar assembly includes being arranged on base body 11 and bearing of trend
The multiple orientation levers 4 consistent with the bearing of trend of connecting clip 12, loading chuck 2 is determined along the length direction of orientation lever 4 with multiple
It is slidably connected to bar 4.
Base body 11 has for accommodating the accommodating chamber of connecting clip 12, base body 11 include base bottom 11a and
Base the sidepiece 11b, base sidepiece 11b and base bottom 11a for being respectively provided with the end side surfaces of base bottom 11a two surround the appearance jointly
Receive chamber, connecting clip 12 is fixedly installed on base bottom 11a and connecting clip 12 is located in accommodating chamber, 4 points of multiple orientation levers
It is not arranged on base sidepiece 11b.In this example, orientation lever 4 is provided with 2, and orientation lever 4 is respectively arranged with base sidepiece 11b.
In this example, connecting clip 12 includes connection clip head 12b and is formed on the connection clip head 12b and extension side
To the connecting portion 12a consistent with the bearing of trend of orientation lever 4, the end of connecting portion 12a is fixedly connected with base bottom 11a；Plus
Carry chuck 2 include loading clamp head 2a and be formed in loading clamp head 2a on and bearing of trend and orientation lever 4 bearing of trend one
The loading unit 2b of cause, loading end acts on the end of loading unit 2b, and loading clamp head 2a is slidably connected with orientation lever 4.
The receiving space 5 for accommodating test specimen 3 is respectively provided with connection clip head 12b and loading clamp head 2a, test specimen 3
Two ends are respectively fixedly disposed in receiving space 5.
The orientation lever 4 of experimental rig of the present utility model, base body 11 and connecting clip 12 can be integrally formed part,
Also can be connected as one by techniques such as welding.
The experimental rig also includes the fastening assembly for being respectively fixedly disposed at the two ends of test specimen 3 in receiving space 5,
Fastening assembly includes being engaged with receiving space 5 and for compressing the connecting plate of test specimen 3, and for by connecting plate be connected
Chuck portion 12b and loading clamp head 2a are fixedly installed so that test specimen 3 is fixed on the fastener in receiving space 5, and fastener can be adopted
Use bolt.
Measuring unit of the present utility model is strain chip measuring unit, and the foil gauge for straining chip measuring unit is arranged on
In connecting clip 12, it is specifically located on connecting portion 12a, realizes the measurement to dynamic compression load.
Rubber blanket is provided with one side on loading chuck 2 with loading end phase separation, specific rubber blanket is arranged on loading
On portion 2b.
High speed compression experimental rig of the present utility model is used to realize dynamic compressive test, base 1 on drop hammer tester
It is placed on the workbench of drop hammer tester, loading chuck 2 is slidably connected with orientation lever 4, and test specimen 3 is arranged on the He of connecting clip 12
Between loading chuck 2, when carrying out high speed compression experiment, the tup Impulsive load chuck 2 of drop hammer tester, loading chuck 2 is along fixed
To the sharp downward movement of bar 4, the high speed compression loading to test specimen 3 is realized.Foil gauge is arranged on the connecting portion 12a of connecting clip 12
On, realize the measurement to dynamic compression load.Rubber blanket is set on loading chuck 2, prevents rigid shock during dynamic impulsion from making
Into signal overloading, measuring system is caused to be destroyed.
High speed compression experimental rig of the present utility model has the advantage that：
Experimental rig of the present utility model is used in combination with drop hammer tester, is capable of achieving under basic, normal, high different strain rate
Dynamic compressive test.
Using the utility model experimental rig, the static side appropriate area near test specimen on device pastes foil gauge dynamometry,
More accurate dynamic compression load signal measurement effect can be obtained.
Because test specimen is subject to impact loading in dynamic test, test specimen is may insure using the utility model experimental rig
It is firm to install and accommodate, and deforms controllable.
Experimental rig simple structure of the present utility model, low cost of manufacture is safe and reliable.
The utility model is described in detail above, the personage that this art is familiar with its object is to allow can be much of that
Solve content of the present utility model and be carried out, protection domain of the present utility model can not be limited with this, it is all according to this practicality
The equivalent change or modification that new Spirit Essence is made, should all cover in protection domain of the present utility model.
Claims (10)
1. a kind of high speed compression experimental rig, for testing machine, the testing machine has workbench and for examination to be tested
Part acts the loading end of power, it is characterised in that：The experimental rig includes base and loading chuck, the two ends of the test specimen
It is fixedly installed with the base and loading chuck respectively, when high speed compression experiment is carried out, the base is arranged on the work
On platform, the loading end is acted on the loading chuck so that the loading chuck is moved to the direction near the base,
The high speed compression loading to the test specimen is realized, the experimental rig is also included for test specimen described in test compression loading procedure
The measuring unit of the compressive load being subject to.
2. high speed compression experimental rig according to claim 1, it is characterised in that：The base includes base body and erects
The connecting clip on the base body is directly arranged on, one end of the test specimen is fixedly installed with the connecting clip, the other end
It is fixedly installed with the loading chuck.
3. high speed compression experimental rig according to claim 2, it is characterised in that：The measuring unit is surveyed for strain chip
Amount unit, the foil gauge of the strain chip measuring unit is arranged in the connecting clip.
4. high speed compression experimental rig according to claim 2, it is characterised in that：In the connecting clip and loading chuck
The receiving space for accommodating the test specimen is respectively provided with, the two ends of the test specimen are respectively fixedly disposed at the receiving space
It is interior.
5. high speed compression experimental rig according to claim 4, it is characterised in that：The experimental rig is also included for inciting somebody to action
The two ends of the test specimen are respectively fixedly disposed at the fastening assembly in the receiving space.
6. high speed compression experimental rig according to claim 5, it is characterised in that：The fastening assembly includes can be with institute
Receiving space is stated to be engaged and for compressing the connecting plate of the test specimen, and for by the connecting plate and connecting clip and loading
Chuck is fixedly installed so that the test specimen is fixed on the fastener in the receiving space.
7. high speed compression experimental rig according to claim 2, it is characterised in that：The experimental rig also includes orientation lever
Component, the orientation bar assembly include being arranged on the base body and bearing of trend and the connecting clip bearing of trend
Consistent multiple orientation levers, the loading chuck is slidably connected along the length direction of the orientation lever with multiple orientation levers.
8. high speed compression experimental rig according to claim 7, it is characterised in that：The base body has for accommodating
The accommodating chamber of the connecting clip, the base body includes base bottom and is separately positioned on the end side surface of the base bottom two
Base sidepiece, the base sidepiece and base bottom surround the accommodating chamber jointly, and the connecting clip is fixedly installed on institute
State on base bottom and the connecting clip is located in the accommodating chamber, multiple orientation levers are separately positioned on the base side
In portion.
9. high speed compression experimental rig according to claim 1, it is characterised in that：With the loading on the loading chuck
Rubber blanket is provided with the one side for holding phase separation.
10. high speed compression experimental rig according to claim 1, it is characterised in that：The testing machine includes drop weight test
Machine, high speed tensile test machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621290324.4U CN206311431U (en) | 2016-11-29 | 2016-11-29 | High speed compression experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621290324.4U CN206311431U (en) | 2016-11-29 | 2016-11-29 | High speed compression experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206311431U true CN206311431U (en) | 2017-07-07 |
Family
ID=59250825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621290324.4U Active CN206311431U (en) | 2016-11-29 | 2016-11-29 | High speed compression experimental rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206311431U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706425A (en) * | 2016-11-29 | 2017-05-24 | 苏州达美特汽车测试技术有限公司 | High-speed compression testing device |
| CN111678773A (en) * | 2020-05-06 | 2020-09-18 | 清华大学苏州汽车研究院（相城） | A test device that is arranged in universal tester strain rate to draw pressure loading |
-
2016
- 2016-11-29 CN CN201621290324.4U patent/CN206311431U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706425A (en) * | 2016-11-29 | 2017-05-24 | 苏州达美特汽车测试技术有限公司 | High-speed compression testing device |
| CN106706425B (en) * | 2016-11-29 | 2024-06-11 | 苏州达美特汽车测试技术有限公司 | High-speed compression test device |
| CN111678773A (en) * | 2020-05-06 | 2020-09-18 | 清华大学苏州汽车研究院（相城） | A test device that is arranged in universal tester strain rate to draw pressure loading |
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