CN109406265A - A kind of extension test clamping device of brittle materials - Google Patents
A kind of extension test clamping device of brittle materials Download PDFInfo
- Publication number
- CN109406265A CN109406265A CN201811410301.6A CN201811410301A CN109406265A CN 109406265 A CN109406265 A CN 109406265A CN 201811410301 A CN201811410301 A CN 201811410301A CN 109406265 A CN109406265 A CN 109406265A
- Authority
- CN
- China
- Prior art keywords
- grip block
- block
- sliding rail
- brittle materials
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 64
- 239000004484 Briquette Substances 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0423—Chucks, fixtures, jaws, holders or anvils using screws
Abstract
The present invention provides a kind of extension test clamping devices of brittle materials, including that can stretch the clamping plate of fragile material and can compress the briquette structure of fragile material；Clamping plate upper surface is equipped with the dumb-bell shape groove structure that can place the top end opening of brittle materials exemplar, and briquette structure is detachably connected with clamping plate, and briquette structure is located above dumb-bell shape groove structure both ends.The extension test clamping device of a kind of brittle materials of the present invention, during solving the high brittleness extension test of tradition, the problem of can not being clamped for brittle materials.
Description
Technical field
The invention belongs to fragile material the field of test technology, press from both sides more particularly, to a kind of extension test of brittle materials
Hold device.
Background technique
Currently, brittle materials, such as glass, since commonsense method can not clamp, mostly use compression in extension test
Test method evades the clamping problem in extension test, in tension and compression difference condition has larger impact for test result.With
The promotion that measuring accuracy requires, brittle materials are directly carried out with extension test becomes the inevitable requirement of brittle materials test.
So original mechanism can not clamp brittle materials in extension test.
Summary of the invention
In view of this, the present invention is directed to propose a kind of extension test clamping device of brittle materials, solves tradition
During high brittleness extension test, the problem of can not being clamped for brittle materials.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of extension test clamping device of brittle materials, clamping plate and energy including fragile material can be stretched
Enough compress the briquette structure of fragile material；
The clamping plate upper surface is equipped with the dumbbell connected in star knot that can place the top end opening of brittle materials exemplar
Structure, the briquette structure are detachably connected with the clamping plate, and the briquette structure is located at the dumb-bell shape groove structure two
Above end.
Further, the clamping plate includes the first grip block and the second grip block, first grip block and second
Grip block is opposite by rail structure, moves toward one another, and first grip block and the second grip block can with the briquette structure
Dismantling connection, the dumb-bell shape groove structure are arranged in first grip block and the second grip block upper surface.
Further, the dumb-bell shape groove structure includes the first groove and the second groove of top end opening, and described first
Groove setting is arranged in first grip block upper surface, second groove in second grip block upper surface；Described
The setting of one groove right-end openings, the opening setting of second groove left end, the first groove right-end openings and described second recessed
Slot left end opening face.
Further, the briquette structure includes the first briquetting and the second briquetting, and first briquetting and described first are pressed from both sides
It holds block to be detachably connected, left end, second briquetting and described second is arranged above first groove in first briquetting
Grip block is detachably connected, and right end is arranged above second groove in second briquetting.
Further, the rail structure includes the first sliding rail and the second sliding rail, and first sliding rail and the second sliding rail divide
It is not slidably arranged in the two sides up and down of the clamping plate.
Further, two sides are equipped with sliding rail groove up and down for first grip block and the second grip block, and described first is sliding
Rail and the second sliding rail are separately positioned in the sliding rail groove of first grip block and the second grip block or more two sides, described
First sliding rail one end is slidably connected with first grip block, and the first sliding rail other end and second grip block are detachable
Connection, second sliding rail one end are slidably connected with first grip block, the second sliding rail other end and second folder
Block is held to be detachably connected.
Further, first sliding rail is detachably connected by bolt and second grip block, second sliding rail
It is detachably connected by bolt and second grip block.
Further, first grip block and the second grip block upper surface, which are equipped with, fixes the first grip block and the second clamping
First grip block and second folder on the outside of the fixed-block-architecture (FBA) of block, the fixed-block-architecture (FBA) and dumb-bell shape groove structure
Block is held to be detachably connected.
Further, the fixed-block-architecture (FBA) includes the first fixed block and the second fixed block, first fixed block and the
Two fixed blocks are separately positioned on dumb-bell shape groove structure two sides up and down, first fixed block one end and first clamping
Block is detachably connected, and the first fixed block other end is detachably connected with second grip block, second fixed block one
End is detachably connected with first grip block, and the second fixed block other end is detachably connected with second grip block.
Compared with the existing technology, a kind of extension test of brittle materials of the present invention clamping device has following
Advantage:
Brittle materials are placed on dumbbell by a kind of extension test clamping device of brittle materials of the present invention
Connected in star inside configuration during stretching through the first grip block and the second grip block to brittle materials, passes through the first pressure
The gripping section of the left and right end portions of brittle materials is clamped by block and the second briquetting, in the drawing process of brittle materials
One grip block and the second grip block apply load to the changeover portion of brittle materials, just can test section to brittle materials into
Row test loads brittle materials gripping section by dumb-bell shape groove structure, brittle materials fragmentation when preventing from clamping, and
Guarantee that stretch brittle materials is broken in test section.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of extension test clamping device plan structure signal of brittle materials described in the embodiment of the present invention
Figure；
Fig. 2 is a kind of extension test clamping device stereochemical structure signal of brittle materials described in the embodiment of the present invention
Figure.
Description of symbols:
The first grip block of 1-；The second grip block of 11-；The first briquetting of 2-；The second briquetting of 22-；The first sliding rail of 3-；33- second
Sliding rail；The first groove of 4-；The second groove of 44-；The first fixed block of 5-；The second fixed block of 55-；6- brittle materials exemplar.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of extension test clamping device of brittle materials, as shown in Figure 1, including the folder that can stretch fragile material
It holds plate and the briquette structure of fragile material can be compressed；
Clamping plate upper surface is equipped with the dumb-bell shape groove structure that can place the top end opening of brittle materials exemplar 6,
Briquette structure is detachably connected with clamping plate, is detachably connected in the present embodiment using bolt, briquette structure is located at dumb-bell shape
Above groove structure both ends.
Clamping plate includes the first grip block 1 and the second grip block 11, and the first grip block 1 and the second grip block 11 pass through cunning
Rail structure is opposite, moves toward one another, and the first grip block 1 and the second grip block 11 are detachably connected with briquette structure, the present embodiment
Middle to be detachably connected using bolt, dumb-bell shape groove structure is arranged in 11 upper surface of the first grip block 1 and the second grip block.
Dumb-bell shape groove structure includes the first groove 4 and the second groove 44 of top end opening, and the first groove 4 is arranged first
1 upper surface of grip block, the second groove 44 are arranged in 11 upper surface of the second grip block；The setting of first groove, 4 right-end openings, second is recessed
The opening setting of 44 left end of slot, 4 right-end openings of the first groove and 44 left end of the second groove opening face.
Brittle materials 6 are placed on inside dumb-bell shape groove structure, it is right by the first grip block 1 and the second grip block 11
During brittle materials 6 stretch, by the first briquetting 2 and the second briquetting 22 by the folder of the left and right end portions of brittle materials 6
It holds section to be clamped, first grip block 1 and the second grip block 11 are to brittle materials 6 in the drawing process of brittle materials 6
Changeover portion apply load, just the test section of brittle materials 6 can be tested, by dumb-bell shape groove structure to high crisp
Property 6 gripping section of material load, prevent clamping when 6 fragmentation of brittle materials, and guarantee stretch brittle materials 6 test section send out
Raw fracture.
Briquette structure includes the first briquetting 2 and the second briquetting 22, and the first briquetting 2 is detachably connected with the first grip block 1, this
It is detachably connected in embodiment using bolt, left end, the second briquetting 22 and second is arranged above the first groove 4 in the first briquetting 2
Grip block 11 is detachably connected, and is detachably connected in the present embodiment using bolt, and the second briquetting 22 is arranged on the second groove 44
Square right end.
Rail structure includes the first sliding rail 3 and the second sliding rail 33, and the first sliding rail 3 and the second sliding rail 33 are slidably arranged in respectively
Clamp the two sides up and down of plate.
First grip block 1 and about 11 two sides of the second grip block are equipped with sliding rail groove, the first sliding rail 3 and the second sliding rail 33
It is separately positioned in the sliding rail groove of about 11 two sides of the first grip block 1 and the second grip block, 3 one end of the first sliding rail and the first folder
It holds block 1 to be slidably connected, 3 other end of the first sliding rail is detachably connected with the second grip block 11, removable using bolt in the present embodiment
Connection is unloaded, 33 one end of the second sliding rail is slidably connected with the first grip block 1, and 33 other end of the second sliding rail and the second grip block 11 are removable
Unload connection, be detachably connected in the present embodiment using bolt, the first sliding rail 3 and the second sliding rail 33 can to the first grip block 1 and
The effect of the guiding of draw direction is provided during 11 extension test of the second grip block, and makes 6 Tensiles of brittle materials
The load in direction guarantees brittle materials 6 not by the load in other directions.
First sliding rail 3 is detachably connected by bolt with the second grip block 11, and the second sliding rail 33 passes through bolt and the second folder
Block 11 is held to be detachably connected.
First grip block 1 and 11 upper surface of the second grip block, which are equipped with, fixes consolidating for the first grip block 1 and the second grip block 11
Determine block structure, fixed-block-architecture (FBA) on the outside of dumb-bell shape groove structure the first grip block 1 and the second grip block 11 be detachably connected,
It is detachably connected in the present embodiment using bolt.
Fixed-block-architecture (FBA) includes the first fixed block 5 and the second fixed block 55, and the first fixed block 5 and the second fixed block 55 are distinguished
Two sides, 5 one end of the first fixed block is arranged above and below dumb-bell shape groove structure to be detachably connected with the first grip block 1, the present embodiment
Middle to be detachably connected using bolt, 5 other end of the first fixed block is detachably connected with the second grip block 11, is used in the present embodiment
Bolt is detachably connected, and 55 one end of the second fixed block is detachably connected with the first grip block 1, removable using bolt in the present embodiment
Connection is unloaded, 55 other end of the second fixed block is detachably connected with the second grip block 11, is detachably connected in the present embodiment using bolt
It connects.
The working method of this example
Upper second grip block is fixedly connected with by fixed block before test, it will high brittleness identical with dumb-bell shape groove structure shape
Material 6 is put into dumb-bell shape groove structure, and is carried out by the first briquetting 2 and the second briquetting 22 to the aid section of brittle materials 6
It is fixed, the first fixed block 5 and the second fixed block 55 are installed and dismantled after joint test machine after device.In test process, examination
Machine upper grip is tested to 1 actuation of the first grip block, the first grip block 1 is moved in sliding rail groove, stretched to brittle materials 6
Actuation.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of extension test clamping device of brittle materials, it is characterised in that: the folder including fragile material can be stretched
It holds plate and the briquette structure of fragile material can be compressed；
The clamping plate upper surface is equipped with the dumbbell connected in star knot that can place the top end opening of brittle materials exemplar (6)
Structure, the briquette structure are detachably connected with the clamping plate, and the briquette structure is located at the dumb-bell shape groove structure two
Above end.
2. a kind of extension test clamping device of brittle materials according to claim 1, it is characterised in that: the folder
Holding plate includes the first grip block (1) and the second grip block (11), and first grip block (1) and the second grip block (11) pass through
Rail structure is opposite, moves toward one another, and first grip block (1) and the second grip block (11) are detachable with the briquette structure
Connection, the dumb-bell shape groove structure are arranged in first grip block (1) and the second grip block (11) upper surface.
3. a kind of extension test clamping device of brittle materials according to claim 2, it is characterised in that: described mute
Bell-shaped groove structure includes the first groove (4) and the second groove (44) of top end opening, and first groove (4) is arranged described
First grip block (1) upper surface, second groove (44) are arranged in the second grip block (11) upper surface；Described first is recessed
The setting of slot (4) right-end openings, the second groove (44) left end opening setting, the first groove (4) right-end openings with it is described
Second groove (44) left end opening face.
4. a kind of extension test clamping device of brittle materials according to claim 3, it is characterised in that: the pressure
Block structure includes the first briquetting (2) and the second briquetting (22), and first briquetting (2) and first grip block (1) are detachable
Connection, the first briquetting (2) setting left end, second briquetting (22) and described second above first groove (4)
Grip block (11) is detachably connected, the second briquetting (22) setting right end above second groove (44).
5. according to a kind of described in any item extension test clamping devices of brittle materials of claim 3 or 4, feature exists
In: the rail structure includes the first sliding rail (3) and the second sliding rail (33), and first sliding rail (3) and the second sliding rail (33) divide
It is not slidably arranged in the two sides up and down of the clamping plate.
6. a kind of extension test clamping device of brittle materials according to claim 5, it is characterised in that: described
Two sides are equipped with sliding rail groove, first sliding rail (3) and the second sliding rail up and down for one grip block (1) and the second grip block (11)
(33) first grip block (1) and the second grip block (11) are separately positioned on up and down in the sliding rail groove of two sides, it is described
First sliding rail (3) one end is slidably connected with first grip block (1), the first sliding rail (3) other end and second folder
It holds block (11) to be detachably connected, described second sliding rail (33) one end is slidably connected with first grip block (1), and described second is sliding
Rail (33) other end is detachably connected with second grip block (11).
7. a kind of extension test clamping device of brittle materials according to claim 6, it is characterised in that: described
One sliding rail (3) is detachably connected by bolt with second grip block (11), and second sliding rail (33) passes through bolt and institute
The second grip block (11) is stated to be detachably connected.
8. a kind of extension test clamping device of brittle materials according to claim 6, it is characterised in that: described
One grip block (1) and the second grip block (11) upper surface are equipped with the fixation for fixing the first grip block (1) and the second grip block (11)
First grip block (1) and second grip block on the outside of block structure, the fixed-block-architecture (FBA) and dumb-bell shape groove structure
(11) it is detachably connected.
9. a kind of extension test clamping device of brittle materials according to claim 7, it is characterised in that: described solid
Determining block structure includes the first fixed block (5) and the second fixed block (55), and first fixed block (5) and the second fixed block (55) divide
It She Zhi two sides, described first fixed block (5) one end and first grip block (1) can not above and below the dumb-bell shape groove structure
Dismantling connection, the first fixed block (5) other end are detachably connected with second grip block (11), second fixed block
(55) one end is detachably connected with first grip block (1), the second fixed block (55) other end and second clamping
Block (11) is detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811410301.6A CN109406265A (en) | 2018-11-23 | 2018-11-23 | A kind of extension test clamping device of brittle materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811410301.6A CN109406265A (en) | 2018-11-23 | 2018-11-23 | A kind of extension test clamping device of brittle materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109406265A true CN109406265A (en) | 2019-03-01 |
Family
ID=65455458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811410301.6A Pending CN109406265A (en) | 2018-11-23 | 2018-11-23 | A kind of extension test clamping device of brittle materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109406265A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160864A (en) * | 2019-05-24 | 2019-08-23 | 西北工业大学 | A kind of composite laminated plate shock-testing special fixture applying precompression |
| CN111855415A (en) * | 2020-08-24 | 2020-10-30 | 中国科学院地质与地球物理研究所 | Rotatable double-deck board tensile test device |
| CN112697587A (en) * | 2020-12-08 | 2021-04-23 | 河南中烟工业有限责任公司 | Paper tensile property detection device for cigarettes |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005338029A (en) * | 2004-05-31 | 2005-12-08 | Fuji Electric Holdings Co Ltd | Jig for testing mechanical characteristics of ductile material |
| CN202453244U (en) * | 2011-12-14 | 2012-09-26 | 北汽福田汽车股份有限公司 | Scale distance marking device for tensile test specimen |
| CN103105510A (en) * | 2013-01-31 | 2013-05-15 | 上海纳米技术及应用国家工程研究中心有限公司 | Film sample stretching device used for being matched with atomic force microscope (AFM) |
| CN104330304A (en) * | 2014-11-24 | 2015-02-04 | 重庆大学 | Clamping mechanism of testing device for direct tensile strength of fragile material |
| CN204142573U (en) * | 2014-11-05 | 2015-02-04 | 中国工程物理研究院材料研究所 | A kind of jig of low-intensity high fragility sample high temperature tensile properties test |
| CN205826402U (en) * | 2016-05-24 | 2016-12-21 | 中国商用飞机有限责任公司 | Auxiliary centralising device for rectangular specimen tension test |
| CN106706420A (en) * | 2017-03-13 | 2017-05-24 | 湖南科技大学 | Clamp for tensile strength test of material |
| CN209182146U (en) * | 2018-11-23 | 2019-07-30 | 中国汽车技术研究中心有限公司 | A kind of extension test clamping device of brittle materials |
-
2018
- 2018-11-23 CN CN201811410301.6A patent/CN109406265A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005338029A (en) * | 2004-05-31 | 2005-12-08 | Fuji Electric Holdings Co Ltd | Jig for testing mechanical characteristics of ductile material |
| CN202453244U (en) * | 2011-12-14 | 2012-09-26 | 北汽福田汽车股份有限公司 | Scale distance marking device for tensile test specimen |
| CN103105510A (en) * | 2013-01-31 | 2013-05-15 | 上海纳米技术及应用国家工程研究中心有限公司 | Film sample stretching device used for being matched with atomic force microscope (AFM) |
| CN204142573U (en) * | 2014-11-05 | 2015-02-04 | 中国工程物理研究院材料研究所 | A kind of jig of low-intensity high fragility sample high temperature tensile properties test |
| CN104330304A (en) * | 2014-11-24 | 2015-02-04 | 重庆大学 | Clamping mechanism of testing device for direct tensile strength of fragile material |
| CN205826402U (en) * | 2016-05-24 | 2016-12-21 | 中国商用飞机有限责任公司 | Auxiliary centralising device for rectangular specimen tension test |
| CN106706420A (en) * | 2017-03-13 | 2017-05-24 | 湖南科技大学 | Clamp for tensile strength test of material |
| CN209182146U (en) * | 2018-11-23 | 2019-07-30 | 中国汽车技术研究中心有限公司 | A kind of extension test clamping device of brittle materials |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160864A (en) * | 2019-05-24 | 2019-08-23 | 西北工业大学 | A kind of composite laminated plate shock-testing special fixture applying precompression |
| CN111855415A (en) * | 2020-08-24 | 2020-10-30 | 中国科学院地质与地球物理研究所 | Rotatable double-deck board tensile test device |
| CN111855415B (en) * | 2020-08-24 | 2022-02-01 | 中国科学院地质与地球物理研究所 | Rotatable double-deck board tensile test device |
| CN112697587A (en) * | 2020-12-08 | 2021-04-23 | 河南中烟工业有限责任公司 | Paper tensile property detection device for cigarettes |
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