CN101694443B - Three-dimensional mechanical property tester for fabric and textile structural composite materials - Google Patents
Three-dimensional mechanical property tester for fabric and textile structural composite materials Download PDFInfo
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- CN101694443B CN101694443B CN 200910236157 CN200910236157A CN101694443B CN 101694443 B CN101694443 B CN 101694443B CN 200910236157 CN200910236157 CN 200910236157 CN 200910236157 A CN200910236157 A CN 200910236157A CN 101694443 B CN101694443 B CN 101694443B
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Abstract
The invention provides a three-dimensional mechanical property analyser for fabric and textile structural composite materials. The tester comprises an X-axis tension and compression unit, a Y-axis tension and compression unit, a vertical bursting unit and a digital speckle test unit. The X-axis tension and compression unit is used for tension or compression test of to-be-tested materials in an X-axis direction, the Y-axis tension and compression unit is used for tension or compression test of to-be-materials in a Y-axis direction, the vertical bursting unit is used for exerting abutting force along a direction which forms an included angle of 90 degrees with a plane of the X-axis and the Y-axis when performing X-axis tensioning and/or Y-axis tensioning on the to-be-tested materials, and thedigital speckle test unit is used for measuring deformation of the to-be-tested materials when damaged by force. By performing one-way tension and compression and two-way tension and compression on the to-be-tested materials and exerting the vertical abutting force to test vertical bursting property of the to-be-tested materials when performing tension test, accurate analysis to three-dimensionalmultidirectional stressed damage property of the to-be-tested materials is realized.
Description
Technical field
The present invention relates to a kind of analytical equipment that is used for fabric and textile structural composite materials three-dimensional mechanical property detection evaluation.
Background technology
The fibrous woven structural composite material is as strengthening the advanced composite material that structure is made with textiles such as natural (chemistry) fiber, yarn or fabrics, but characteristics with inexpensive light weight natural degradation (natural fiber), also having advantages such as specific strength, specific modulus height, anisotropy be little, is that other reinforcing material is incomparable.The compound substance of being made by fiber textile material is widely used in a plurality of fields such as indoor decorating, Aero-Space, fire control equipment and automotive interior trim.
Because fabric has the characteristics through broadwise pilotaxitic texture, at present textile industry mainly concentrates on the unilateral stretching and the two-way stretch aspect of fabric to the research of fabric tension performance, and this is to performance of accurate evaluation fabric and finally determine that the performance of textile structural composite materials is very useful.Yet because the stressing conditions of textile structural composite materials in actual working environment of making often all is to be under multi-direction, the different big or small complex state conditions, this quality assessment to fabric and textile structural composite materials brings certain difficulty.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of fabric and textile structural composite materials three-dimensional mechanical property analyser, can carry out the stressed performance evaluation of 3 D multi-directional to fabric and textile structural composite materials.
In order to address the above problem, the invention provides a kind of fabric and textile structural composite materials three-dimensional mechanical property analyser, comprising: X-axis tension and compression unit, Y-axis tension and compression unit, vertical bursting unit and digital speckle (DSCM) test cell; Wherein,
Described X-axis tension and compression unit is used for stretching or the compression verification of described detected materials at X axis, and described X axis is the left and right directions of described analyser; Described X-axis tension and compression unit comprises: a pair of second clamping head, second buncher, second driving control system and second framework, the second clamping head is provided with second tensioning bolt that is used to regulate the second clamping head holding force, second buncher and second driving control system are arranged on second framework, the second clamping head is installed in the clutch end of second driving control system by second support, and described second driving control system adopts screw mandrel connecting shaft structure;
Described Y-axis tension and compression unit be used for described detected materials Y-axis to stretching or compression verification, described Y-axis is to the fore-and-aft direction that is described analyser; Described Y-axis tension and compression unit comprises: a pair of the 3rd clamping head, the 3rd buncher, the 3rd driving control system and the 3rd framework, the 3rd clamping head is provided with the 3rd tensioning bolt that is used to regulate the 3rd clamping head holding force, the 3rd buncher and the 3rd driving control system are arranged on the 3rd framework, the 3rd clamping head is installed in the clutch end of the 3rd driving control system by the 3rd support, and described the 3rd driving control system adopts screw mandrel connecting shaft structure;
Described vertical bursting unit is used for described detected materials when being carried out that X-axis stretches and/or Y-axis stretches, and described detected materials is applied along being the power that leans of 90 ° of angle directions with described X-axis and plane, Y-axis place; Described vertical bursting unit comprises: vertical bursting head, first buncher, first driving control system and pedestal, first buncher and first driving control system are arranged on the described pedestal, vertical bursting head is arranged on the clutch end of first driving control system, first buncher is arranged on the power intake of first driving control system, and described first buncher is controlled vertical bursting power, a bursting translational speed and the displacement etc. of described vertical bursting head by described first driving control system;
Deformation process and destruction trend when described digital speckle test cell is used to measure described detected materials stress destruction.
Preferably, on described second clamping head and the 3rd clamping head, also be pasted with the rubber slab that is used to prevent damage by the folder test specimen.
The present invention can launch unidirectional tension and compression, two-way tension and compression experiment to detected materials by design, and can launch unidirectional or the two-way stretch experiment time applies vertically the power of leaning and observes the vertical bursting performance of this detected materials in detected materials, realized that detected materials is carried out 3 D multi-directional stress destruction performance to be analyzed accurately.In addition, utilize the digital speckle analysis process system simultaneously, by cause the variation of light distribution before and after relatively test specimen is out of shape because of moving forward and backward of test point, utilize the intensity distribution function of two width of cloth images to seek the right maximum correlation coefficient of every bit, calculate its displacement field, and calculate its strain field by program, understand the situation that fabric and textile structural composite materials are out of shape in stressed, thereby can estimate the strain property of detected materials in actual working environment more accurately.Can provide the analysis data for design form and the structure of improving textile structural composite materials.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 looks synoptic diagram for Fig. 1 left side.
Embodiment
As shown in Figure 1, the present invention includes: X-axis tension and compression unit 1, Y-axis tension and compression unit 2, vertical bursting unit 4 and digital speckle (DSCM) test cell 3; Wherein, X-axis tension and compression unit 1 is used for detected materials is carried out tension and compression in X axis (direction about Fig. 1 is); Y-axis tension and compression unit 2 is used for detected materials is carried out in the tension and compression of Y-axis to (in the direction of Fig. 1 for front and back); Vertical bursting unit 4 is used for detected materials when being carried out that X-axis stretches and Y-axis stretches, and detected materials is applied the power that leans of the perpendicular direction (direction that promptly is 90 ° of angles with X-axis and plane, Y-axis place) in edge and the plane at X-axis and Y-axis place; Digital speckle (DSCM) test cell 3 is used to measure deformation process and the destruction trend of detected materials when stressed.
Above-mentioned vertical bursting unit 4 comprises: vertical bursting 43, buncher 41, first driving control system 42 and pedestal 44, first buncher 41, first driving control system 42 are arranged on the pedestal 44, vertical bursting 43 is arranged on the clutch end of first driving control system 42, first buncher 41 is arranged on the power intake of first driving control system 42, and first buncher 41 is by vertical bursting power, a bursting translational speed and the displacement etc. of the vertical bursting of first driving control system, 42 controls 43.The specification and the shape of vertical bursting 43 can be selected as required.
Above-mentioned X-axis tension and compression unit 1 comprises: a pair of second clamping head 13, second buncher 11, second driving control system 12, second framework 14, the second clamping head 13 is provided with second tensioning bolt 16 that is used to regulate the second clamping head, 13 holding forces, second buncher 11 and second driving control system 12 are arranged on second framework 14, the second clamping head 13 is installed in the clutch end of second driving control system 12 by second support 15, making the second clamping head 13 under the control of second driving control system 12 is that left and right directions moves in X-axis, thereby comes the pressure that is applied to X-direction to be measured.In the present embodiment, second driving control system 12 adopts screw mandrel connecting shaft structure.
Equally, as shown in Figure 2, a pair of the 3rd clamping head 23, the 3rd buncher 21, the 3rd driving control system 22, the 3rd framework 24, the 3rd clamping head 23 is provided with the 3rd tensioning bolt 26 that is used to regulate the 3rd clamping head 23 holding forces, the 3rd buncher 21 and the 3rd driving control system 22 are arranged on the 3rd framework 24, the 3rd clamping head 23 is installed in the clutch end of the 3rd driving control system 22 by the 3rd support 25, making the 3rd clamping head 23 under the control of the 3rd driving control system 22 is that the left and right directions (fore-and-aft direction of Fig. 1) of Fig. 2 moves in Y-axis, thereby comes the pressure that is applied to Y direction to be measured.In the present embodiment, the 3rd driving control system 22 also adopts screw mandrel connecting shaft structure.
In addition, bad in order to prevent with to be measured folder, on the second clamping head 13 and the 3rd clamping head 23, also be pasted with rubber slab.
By above-mentioned X-axis tension and compression unit 1, Y-axis tension and compression unit 2 and 4 actings in conjunction of vertical bursting unit, just can apply multidirectional combined failure power to be measured, again just can be by cause the variation of light distribution before and after relatively test specimen is out of shape because of moving forward and backward of test point by digital speckle (DSCM) test cell 3, utilize the intensity distribution function of two width of cloth images to seek the right maximum correlation coefficient of every bit, calculate its displacement field, and calculate its strain field by program, understand the situation that fabric web material is out of shape in stressed, thereby estimate the stress performance of detected materials in actual working environment more accurately.Can provide the analysis data for design form and the structure of improving the fabric compound substance.
In sum; being preferred embodiment of the present invention only below, is not to be used to limit protection scope of the present invention, therefore; all any modifications of being done within the spirit and principles in the present invention, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. fabric and textile structural composite materials three-dimensional mechanical property analyser comprise: X-axis tension and compression unit, Y-axis tension and compression unit, vertical bursting unit and digital speckle test cell; Wherein,
Described X-axis tension and compression unit is used for detected materials is carried out stretching or compression at X axis, and described X axis is the left and right directions of described analyser; Described X-axis tension and compression unit comprises: a pair of second clamping head, second buncher, second driving control system and second framework, the second clamping head is provided with second tensioning bolt that is used to regulate the second clamping head holding force, second buncher and second driving control system are arranged on second framework, the second clamping head is installed in the clutch end of second driving control system by second support, and described second driving control system adopts screw mandrel connecting shaft structure;
Described Y-axis tension and compression unit be used for to described detected materials carry out Y-axis to stretching or compression, described Y-axis is to the fore-and-aft direction that is described analyser; Described Y-axis tension and compression unit comprises: a pair of the 3rd clamping head, the 3rd buncher, the 3rd driving control system and the 3rd framework, the 3rd clamping head is provided with the 3rd tensioning bolt that is used to regulate the 3rd clamping head holding force, the 3rd buncher and the 3rd driving control system are arranged on the 3rd framework, the 3rd clamping head is installed in the clutch end of the 3rd driving control system by the 3rd support, and described the 3rd driving control system adopts screw mandrel connecting shaft structure;
Described vertical bursting unit is used for described detected materials when being carried out that X-axis stretches and/or Y-axis stretches, and described detected materials is applied along being the power that leans of 90 ° of angle directions with described X-axis and plane, Y-axis place; Described vertical bursting unit comprises: vertical bursting head, first buncher, first driving control system and pedestal, first buncher and first driving control system are arranged on the described pedestal, vertical bursting head is arranged on the clutch end of first driving control system, first buncher is arranged on the power intake of first driving control system, and described first buncher is controlled vertical bursting power, a bursting translational speed and the displacement of described vertical bursting head by described first driving control system;
Deformation process and destruction trend when described digital speckle test cell is used to measure described detected materials stress destruction.
2. analyser as claimed in claim 1 is characterized in that, also is pasted with to be used to prevent to damage the rubber slab that is pressed from both sides test specimen on described second clamping head and the 3rd clamping head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200910236157 CN101694443B (en) | 2009-10-22 | 2009-10-22 | Three-dimensional mechanical property tester for fabric and textile structural composite materials |
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| CN 200910236157 CN101694443B (en) | 2009-10-22 | 2009-10-22 | Three-dimensional mechanical property tester for fabric and textile structural composite materials |
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| CN101694443A CN101694443A (en) | 2010-04-14 |
| CN101694443B true CN101694443B (en) | 2011-05-25 |
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| CN102788729B (en) * | 2012-07-26 | 2014-02-26 | 浙江理工大学 | Test method for bending performance of fabric |
| CN102944559B (en) * | 2012-11-08 | 2014-11-12 | 西南科技大学 | Vision measurement method for anisotropic performance parameters in sheet forming |
| CN103940667B (en) * | 2014-03-27 | 2016-01-13 | 上海交通大学 | Multi-function membrane triaxial extension test machine and test method |
| CN104697850B (en) * | 2015-04-01 | 2017-05-03 | 哈尔滨工业大学 | Device capable of applying multidirectional tensile loads to fabric materials |
| CN107228798B (en) * | 2017-06-23 | 2019-08-02 | 中国矿业大学 | A method of for describing coated fabric membrane material anisotropy creep behaviour |
| CN108287113A (en) * | 2018-02-09 | 2018-07-17 | 西南交通大学 | A kind of testing equipment for ring component in slope protection structure |
| CN108693034B (en) * | 2018-04-30 | 2021-06-04 | 张永炬 | Mechanical property in-situ test auxiliary device for concentrated load of flexible substrate film |
| CN109406256B (en) * | 2018-10-11 | 2021-06-29 | 江苏建筑职业技术学院 | A bursting device that is used for coating fabric membrane material under prestressing force state |
| CN109540670B (en) * | 2018-12-05 | 2021-10-26 | 东华大学 | Mechanism for measuring tensile and compressive stress of fiber bundle by changing fulcrum and application |
| CN109443936B (en) * | 2018-12-10 | 2020-09-22 | 西南交通大学 | Mesh top breaking and stretching integrated self-balancing experimental device and method |
| CN110333135A (en) * | 2019-07-18 | 2019-10-15 | 中国工程物理研究院化工材料研究所 | Ten channel organic materials automate stress/strain load and monitoring device |
| CN110779793A (en) * | 2019-10-29 | 2020-02-11 | 航宇救生装备有限公司 | Experimental method for detecting deformation condition of MBWK fabric on thin shell |
| CN111220459B (en) * | 2019-12-06 | 2021-07-23 | 中国科学院长春应用化学研究所 | Be applicable to albumen short-staple testing arrangement |
| CN111208007B (en) * | 2020-01-20 | 2022-06-03 | 通标标准技术服务有限公司 | Method for detecting mechanical property of textile material |
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| CN1588058A (en) * | 2004-08-10 | 2005-03-02 | 东华大学 | Combined measuring device for fabric and yarn mechanics index and use |
| CN1587964A (en) * | 2004-09-24 | 2005-03-02 | 东华大学 | Combined measuring method and device for stretching, compressing, bursting and prick-cut |
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| CN1869638A (en) * | 2006-06-09 | 2006-11-29 | 周建青 | Electronic fabric strength testing instrument |
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| CN1588058A (en) * | 2004-08-10 | 2005-03-02 | 东华大学 | Combined measuring device for fabric and yarn mechanics index and use |
| CN1587964A (en) * | 2004-09-24 | 2005-03-02 | 东华大学 | Combined measuring method and device for stretching, compressing, bursting and prick-cut |
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| CN1869638A (en) * | 2006-06-09 | 2006-11-29 | 周建青 | Electronic fabric strength testing instrument |
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