CN206095827U - High speed shearing test device - Google Patents
High speed shearing test device Download PDFInfo
- Publication number
- CN206095827U CN206095827U CN201621166373.7U CN201621166373U CN206095827U CN 206095827 U CN206095827 U CN 206095827U CN 201621166373 U CN201621166373 U CN 201621166373U CN 206095827 U CN206095827 U CN 206095827U
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- base
- high speed
- test specimen
- test
- assay device
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Abstract
The utility model discloses a high speed shearing test device, including the base, add carrier, add carrier relatively the base slide from top to bottom, base and add and form the centre gripping space of placing the test piece between the carrier, test device still slide ground including the extended length orientation that can follow the test piece and set up in the centre gripping space with the regulating block with the test piece chucking, the regulating block at least between the tip of setting on the width direction of base and test piece, with one of them position departments of two unit center adjustments between another tip on the width direction of carrier and test piece. Through installing this test device on high -speed tensile test machine, can become the shearing loading to the test piece with the tensile loading of high -speed tensile test machine to the realization is tested the dynamic shear of the automotive material that metal, plastics etc. Are commonly used, and then obtains the shearing mechanics characteristic of material under basic, normal, high different strain rates, simultaneously, the shear test of the applicable test piece in multiple width size of this test device.
Description
Technical field
This utility model is related to physical characteristics of materials technical field of measurement and test, and in particular to a kind of high speed shear assay device.
Background technology
Shearing test is generally used for obtaining mechanical characteristic of the material by shear plane stress state, for studying new material
Surrender and fracture mechanics behavior, and exploitation advanced material constitutive model, lift simulating car collision analysis precision.At present, material
Shearing test under material quasistatic or relatively low strain rate is typically completed on electronic universal tester, but electronic universal tester
It is merely able to realize that static shear is tested, but cannot be used for dynamic, high-speed test (HST).But in car crass performance development, with greater need for
The vehicle materials such as high-strength steel, plastics are concerned with middle and high strain rate（1-1000/s）Dynamic characteristics under loading.And show
Though the hydraulic servo high speed tensile test machine in having technology is capable of achieving dynamic tensile loading, shearing perforation examination is cannot be used directly for
Test；High speed shear assay device of the prior art, although simple to operate, but expansibility is poor, may be only available for given width
The test specimen of size, it is impossible to carry out shearing test suitable for the test specimen of other width dimensions.
Utility model content
Technical problem to be solved in the utility model is for problem of the prior art, there is provided one kind can be applicable at a high speed
Cupping machine and be applicable to various width dimensions test specimen high speed shear assay device.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：
A kind of high speed shear assay device, including being mutually fixedly connected with the lower chuck of high speed tensile test machine and for clamping
The base of test specimen is mutually fixedly connected with the upper grip of the high speed tensile test machine and for clamping the test specimen and to the examination
Part loading loaded member, the loaded member can relatively described base slide up and down to setting, the base and the loaded member
Between formed for placing the grasping part of the test specimen, the width bearing of trend of the test specimen and the high speed tensile test machine
Loading direction it is identical, the assay device also include can be slidably arranged in institute along the length bearing of trend of the test specimen
State in grasping part so that by the regulating block of the test specimen clamping, the regulating block is arranged at the base with the test specimen
Two positions between the other end between one end on width, on the width of the loaded member and the test specimen
In one of position at.
Preferably, the regulating block be separately positioned on the one end on the base and the width of the test specimen it
Between, between the other end on the width of the loaded member and the test specimen.
Preferably, the adjusting screw rod that the regulating block is included wedge and is mutually fixedly connected with the wedge, the wedge
The lozenges of shape block is engaged with the base and/or the loaded member, and the base and/or the loaded member are provided with and institute
The screwed hole that adjusting screw rod is engaged is stated, the adjusting screw rod is threaded connection in the screw-in screwed hole.
Preferably, the assay device also includes installing the base and during the loaded member for the base and institute
The installation site for stating loaded member carries out the location structure of guide-localization.
Further, the location structure includes the first location hole being arranged on the base, is arranged on the loading
It is the second location hole, the first locating rod for being fixedly installed on the base and being engaged with second location hole on part, solid
Surely the second locating rod for being arranged in the loaded member and being engaged with first location hole, first locating rod can go up
Be located in lower slider in second location hole, second locating rod can slide up and down to be located in it is described first positioning
Kong Zhong.
Preferably, the base includes lower fixture block for clamping the test specimen and mutually solid with the bottom of the lower fixture block
The supporting rod of fixed connection, the supporting rod are mutually fixedly connected with the lower chuck of the high speed tensile test machine.
Further, the assay device is used for the foil gauge of testing experiment load in also including process of the test, described to answer
Become piece to be sticked in the upper end of the supporting rod.
Preferably, the loaded member is included for clamping the upper fixture block of the test specimen and being fixedly connected on the upper fixture block
The load bar of upper end, the upper end of the load bar are mutually fixedly connected with the upper grip of the high speed tensile test machine.
Preferably, the base is identical with the structure of the loaded member.
Due to the utilization of above-mentioned technical proposal, this utility model has following advantages compared with prior art：This practicality is new
The high speed shear assay device simple structure of type, by this assay device is arranged on high speed tensile test machine, can be by a high speed
The tensile loads of cupping machine are changed into the shearing to test specimen and load, so as to the automotive material for realizing commonly using metal, plastics etc.
Dynamic shearing test, and then obtain shearing mechanical characteristic of the material under basic, normal, high different strain rate；Meanwhile, the test is filled
Put the shearing test of the test specimen for being applicable to various width dimensions.
Description of the drawings
Axonometric chart of the accompanying drawing 1 for high speed shear assay device of the present utility model；
Front view of the accompanying drawing 2 for high speed shear assay device of the present utility model；
Structural representation of the accompanying drawing 3 for base of the present utility model；
Structural representation of the accompanying drawing 4 for loaded member of the present utility model；
Structural representation of the accompanying drawing 5 for regulating block of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawings with specific embodiment being further elaborated to the technical solution of the utility model.
Referring to shown in Fig. 1 and Fig. 2, the high speed shear assay device of the utility model includes base 1, loaded member 2 and adjusts
Block 3.
As shown in figure 3, base 1 includes lower fixture block 11 and supporting rod 12, lower fixture block 11 is used for clamping test pieces 100, supporting rod
12 is vertically extending, and its upper end is fixedly connected on the bottom of lower fixture block 11, its bottom and high speed tensile test machine
Lower chuck be mutually fixedly connected.
As shown in figure 4, loaded member 2 includes upper fixture block 21 and load bar 22, upper fixture block 21 is used for clamping test pieces 100, loading
, for loading to test specimen 100, load bar 22 is also vertically extending for bar 22, and its bottom is fixedly connected on upper fixture block 21
Upper end, its upper end is mutually fixedly connected with the upper grip of high speed tensile test machine, the center of load bar 22 and supporting rod 12
Axis extends along same rectilinear direction.
In the present embodiment, base 1 is identical with the structure of loaded member 2.
Base 1 and loaded member 2 form one between base 1 and loaded member 2 after being installed together and are used to place test specimen 100
Grasping part, 100 clamping of test specimen are placed in grasping part in order to carry out shearing test, and test specimen 100 is in grasping part
Its width bearing of trend is identical with the loading direction of high speed tensile test machine.Loaded member 2 can respect thereto 1 slide up and down to and set
Put, so as to size of the adjustable holding space on 100 width of test specimen, in order to by the test specimen 100 of different width dimensions
High speed shear test is carried out in being put into the grasping part.
By adjusting base 1 and loaded member 2 relative position in the vertical direction to change the size of grasping part, so as to
So that the assay device be applied to the test specimen 100 of different width dimensions carry out high speed shear test the regulation of this control method away from
From limited, based on this, in this utility model, regulating block 3 can be slidably arranged in grasping part, by along test specimen 100
Length bearing of trend slidable adjustment block 3 to adjust position of the regulating block 3 in grasping part, can will be width dimensions scope bigger
Test specimen 100 be clamped in grasping part, in order to carry out high speed shear test.
Specific position of the regulating block 3 in grasping part arranges as follows：Regulating block 3 can prolong along the length of test specimen 100
Stretch between the one end that direction is slidably arranged on the width of lower fixture block 11 and test specimen 100, and respectively with lower fixture block 11
It is engaged with the one end on the width of test specimen 100；Or, regulating block 3 can be slided along the length bearing of trend of test specimen 100
Be arranged between the other end on the width of upper fixture block 21 and test specimen 100 dynamicly, and respectively with upper fixture block 21 and test specimen
The other end on 100 width is engaged；Or regulating block 3 is equipped with two above-mentioned positions, it is above-mentioned several
The position setting means of regulating block 3, a kind of preferably last set-up mode.
As shown in figure 5, the concrete structure of regulating block 3 is：Regulating block 3 includes wedge 31 and adjusting screw rod 32, in lower folder
Block 11 and/or upper fixture block 21 are provided with inclined-plane 111/211, lozenges 311 and lower fixture block 11 and/or the upper fixture block 21 of wedge 31
Inclined-plane 111/211 be engaged, the one end of adjusting screw rod 32 is mutually fixedly connected with wedge 31, lower fixture block 11 and/or on
Fixture block 21 is provided with the screwed hole 112/212 being engaged with adjusting screw rod 32, and adjusting screw rod 32 is threaded connection and is located in this
In screwed hole 112/212, the other end of adjusting screw rod 32 is located at the outside of grasping part.When the width dimensions of test specimen 100 change
After change, the other end of adjusting screw rod 32 is rotated, by the lozenges 311 of wedge 31 and lower fixture block 11 and/or upper fixture block 21
The cooperation of ramp 111/211 is ordered about regulating block 3 and is slided along the length bearing of trend of test specimen 100, when regulating block 3 slides, gradually
Clamping test specimen 100.
For entering to the installation site of base 1 and loaded member 2 when assay device is additionally included in mounting seat 1 and loaded member 2
The location structure of row guide-localization.
A kind of specific embodiment, location structure include the first location hole 113 being arranged in lower fixture block 11, are arranged on
The second location hole 213 in upper fixture block 21, first for being fixedly installed in lower fixture block 11 and being engaged with the second location hole 213 are fixed
Position bar 114, the second locating rod 214 for being fixedly installed in upper fixture block 21 and being engaged with the first location hole 113, in mounting seat
1 and during loaded member 2, the first locating rod 114 is located in the second location hole 213, the second locating rod 214 is located in the first positioning
In hole 113, and the first locating rod 114 can be slided up and down in the second location hole 213, and the second locating rod 214 is in the first positioning
Can slide up and down in hole 113, so, guiding can be played during the position of upper and lower adjusting base 1 and loaded member 2 fixed
Position effect.
The assay device is used for the foil gauge of testing experiment load, in the present embodiment, strain in being additionally included in process of the test
Piece is sticked in the upper end of supporting rod 12.
During test, in the grasping part that 100 clamping of test specimen is formed between base 1 and loaded member 2, by regulating block 3
Length bearing of trend movement along test specimen 100 is fixed on 100 clamping of test specimen in grasping part, is then connected to assay device
On high speed tensile test machine, during test, high speed tensile test machine is loaded to load bar 22, and then realizes loading test specimen 100, is tried
During testing, by being sticked in the foil gauge kinetic measurement shear-type load signal of 12 upper end of supporting rod.
In sum, high speed shear assay device of the present utility model is used in combination with high speed tensile test machine, is capable of achieving
Shearing test under basic, normal, high different strain rate, at the trial, it is " cutting " that high speed tensile test machine will turn " drawing ", is directly passed through
High speed tensile test machine is loaded, simple to operate, is realized and for shear-type load to be converted into tension measurement, meanwhile, the assay device is tied
Structure is simple, and low cost of manufacture is safe and reliable.
Above-described embodiment only to illustrate technology design of the present utility model and feature, its object is to allow and be familiar with technique
Personage will appreciate that content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.
All equivalence changes made according to this utility model spirit or modification, should all cover protection domain of the present utility model it
It is interior.
Claims (9)
1. a kind of high speed shear assay device, it is characterised in that：Including being mutually fixedly connected with the lower chuck of high speed tensile test machine
And the base for clamping test pieces is mutually fixedly connected with the upper grip of the high speed tensile test machine and for clamping the test specimen
And to the loaded member of test specimen loading, the loaded member can relatively described base slide up and down to settings, the base with
Formed between the loaded member for placing the grasping part of the test specimen, width bearing of trend and the high speed of the test specimen
The loading direction of cupping machine is identical, and the assay device also includes can be along the length bearing of trend of the test specimen slidably
It is arranged in the grasping part so that by the regulating block of the test specimen clamping, the regulating block is arranged at the base and institute
State between the one end on the width of test specimen, between the other end on the width of the loaded member and the test specimen
At one of position in two positions.
2. high speed shear assay device according to claim 1, it is characterised in that：The regulating block is separately positioned on described
It is another between one end on the width of base and the test specimen, on the loaded member and the width of the test specimen
Between end.
3. high speed shear assay device according to claim 1 and 2, it is characterised in that：The regulating block includes wedge
And the adjusting screw rod being mutually fixedly connected with the wedge, the lozenges of the wedge and the base and/or the loading
Part is engaged, and the base and/or the loaded member are provided with the screwed hole being engaged with the adjusting screw rod, the regulation spiral shell
Bar is threaded connection in the screw-in screwed hole.
4. high speed shear assay device according to claim 1, it is characterised in that：The assay device also includes installing institute
The positioning knot of guide-localization is carried out when stating base and the loaded member for the installation site to the base and the loaded member
Structure.
5. high speed shear assay device according to claim 4, it is characterised in that：The location structure includes being arranged on institute
State the first location hole on base, the second location hole being arranged in the loaded member, be fixedly installed on the base and with
The first locating rod that second location hole is engaged, it is fixedly installed in the loaded member and matches with first location hole
The second locating rod closed, first locating rod can slide up and down to and be located in second location hole, and described second is fixed
Position bar can slide up and down to and be located in first location hole.
6. high speed shear assay device according to claim 1, it is characterised in that：The base includes described for clamping
The lower fixture block of test specimen and the supporting rod being mutually fixedly connected with the bottom of the lower fixture block, the supporting rod and the high-speed stretch
The lower chuck of testing machine is mutually fixedly connected.
7. high speed shear assay device according to claim 6, it is characterised in that：The assay device also includes testing
It is used for the foil gauge of testing experiment load in journey, the foil gauge is sticked in the upper end of the supporting rod.
8. high speed shear assay device according to claim 1, it is characterised in that：The loaded member is included for clamping
The upper fixture block of stating test specimen and the load bar of the upper end for being fixedly connected on the upper fixture block, the upper end of the load bar with it is described
The upper grip of high speed tensile test machine is mutually fixedly connected.
9. high speed shear assay device according to claim 1, it is characterised in that：The knot of the base and the loaded member
Structure is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621166373.7U CN206095827U (en) | 2016-10-25 | 2016-10-25 | High speed shearing test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621166373.7U CN206095827U (en) | 2016-10-25 | 2016-10-25 | High speed shearing test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206095827U true CN206095827U (en) | 2017-04-12 |
Family
ID=58486094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621166373.7U Expired - Fee Related CN206095827U (en) | 2016-10-25 | 2016-10-25 | High speed shearing test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206095827U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738300A (en) * | 2018-10-31 | 2019-05-10 | 中国飞机强度研究所 | A kind of curved scissors combination test apparatus of pin shaft base part |
| CN109870368A (en) * | 2017-12-01 | 2019-06-11 | 中国飞机强度研究所 | A kind of crane torsion test device and method |
| CN110220774A (en) * | 2019-07-22 | 2019-09-10 | 大连理工大学 | The test fixture of arbitrary point load in a kind of achievable face |
| CN111965047A (en) * | 2020-07-07 | 2020-11-20 | 南京航空航天大学 | Composite material interlaminar shear testing device and operation method thereof |
| CN112113858A (en) * | 2020-09-08 | 2020-12-22 | 中南大学 | Shear test device and method for high-strength metal plate |
| CN112816345A (en) * | 2021-02-09 | 2021-05-18 | 协强仪器制造(上海)有限公司 | Enhanced plastic carbon fiber V-shaped shearing test tool |
| CN113049407A (en) * | 2021-03-30 | 2021-06-29 | 中国飞机强度研究所 | Combined loading test device for testing shearing performance of composite material |
| CN113607572A (en) * | 2020-12-28 | 2021-11-05 | 江苏省建筑工程质量检测中心有限公司 | Channel body shear strength mechanical test tool and application thereof |
-
2016
- 2016-10-25 CN CN201621166373.7U patent/CN206095827U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870368A (en) * | 2017-12-01 | 2019-06-11 | 中国飞机强度研究所 | A kind of crane torsion test device and method |
| CN109738300A (en) * | 2018-10-31 | 2019-05-10 | 中国飞机强度研究所 | A kind of curved scissors combination test apparatus of pin shaft base part |
| CN110220774A (en) * | 2019-07-22 | 2019-09-10 | 大连理工大学 | The test fixture of arbitrary point load in a kind of achievable face |
| CN110220774B (en) * | 2019-07-22 | 2023-12-29 | 大连理工大学 | Test fixture capable of realizing loading at any point in plane |
| CN111965047A (en) * | 2020-07-07 | 2020-11-20 | 南京航空航天大学 | Composite material interlaminar shear testing device and operation method thereof |
| CN112113858A (en) * | 2020-09-08 | 2020-12-22 | 中南大学 | Shear test device and method for high-strength metal plate |
| CN112113858B (en) * | 2020-09-08 | 2022-06-03 | 中南大学 | Shear test device and method for high-strength metal plate |
| CN113607572A (en) * | 2020-12-28 | 2021-11-05 | 江苏省建筑工程质量检测中心有限公司 | Channel body shear strength mechanical test tool and application thereof |
| CN112816345A (en) * | 2021-02-09 | 2021-05-18 | 协强仪器制造(上海)有限公司 | Enhanced plastic carbon fiber V-shaped shearing test tool |
| CN113049407A (en) * | 2021-03-30 | 2021-06-29 | 中国飞机强度研究所 | Combined loading test device for testing shearing performance of composite material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20201025 |
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| CF01 | Termination of patent right due to non-payment of annual fee |