CN103558097A - Testing device for tensile-shear coupling experiment in thin film - Google Patents
Testing device for tensile-shear coupling experiment in thin film Download PDFInfo
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- CN103558097A CN103558097A CN201310572194.8A CN201310572194A CN103558097A CN 103558097 A CN103558097 A CN 103558097A CN 201310572194 A CN201310572194 A CN 201310572194A CN 103558097 A CN103558097 A CN 103558097A
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- crossbeam
- move left
- screw rod
- clock gauge
- thin film
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Abstract
The invention provides a testing device for a tensile-shear coupling experiment in a thin film, belonging to the technical field of testing devices for tensile-shear coupling experiments. A left upright post and a right upright post are arranged in parallel. A leftwards-rightwards movable beam is arranged on the upper parts of the two upright posts, and each end of the leftwards-rightwards movable beam is connected with the corresponding upright post. A threaded rod is arranged in the leftwards-rightwards movable beam, and is in threaded connection with the leftwards-rightwards movable beam. A hand wheel is fixed at one end of the threaded rod. A dial indicator is fixed at one end of a base. A dial indicator contact pin on the dial indicator contacts with one end of the leftwards-rightwards movable beam. According to the device, for the wrinkling experiment and wrinkle regulation of a high-precision thin film, the surface tension degree of the thin film can be regulated through the leftwards-rightwards movable beam, and a clinical shearing load during wrinkling can be measured through the leftwards-rightwards movable beam and the dial indicator (or a load sensor), so that a tensioning load when the surface of the thin film is unwrinkled and the clinical shearing load when the thin film is wrinkled are measured, and the wrinkle regulation of the high-precision thin film is further realized.
Description
Technical field
The present invention relates to a kind of film and draw and cut coupling experiment proving installation, belong to draw and cut coupling experiment proving installation technical field.
Background technology
Fexible film structure, when load heterogeneous is born on its surface, very easily produces fold phenomenon.Yet for high-precision membrane structure, as large-scale flexible film deployable antenna, high-precision film solar sail etc., the existence of fold will become a kind of failure model.Existing drawing cut coupling experiment device and is applicable to the larger materials of surperficial rigidity such as compound substance plate, and the stretching tensile load while being not suitable for film surface corrugationless and the critical shear load while producing fold are measured.
Summary of the invention
The object of the invention is the problem existing in order to solve above-mentioned prior art, be that existing drawing cut coupling experiment device and be applicable to the larger materials of surperficial rigidity such as compound substance plate, the stretching tensile load while being not suitable for film surface corrugationless and the critical shear load while producing fold are measured.And then provide a kind of film to draw to cut coupling experiment proving installation.
The object of the invention is to be achieved through the following technical solutions:
A kind of film draws cuts coupling experiment proving installation, comprise: two vertical rods, can move up and down crossbeam, can move left and right crossbeam, interlock slide block, handwheel, clock gauge, fixing slide block, base and screw rod, described two vertical rods left and right be arranged in parallel, can move up and down Qie Mei one end, top that crossbeam is arranged on two vertical rods is connected respectively at a vertical rod, the lower end of two vertical rods is all fixedly connected with base, the upside of base is provided with fixedly slide block, can move left and right crossbeam is arranged on fixedly on slide block, the outer setting that can move left and right crossbeam has interlock slide block, screw rod be arranged on can move left and right in crossbeam and with can move left and right crossbeam and be threaded, on one end of screw rod, be fixed with handwheel, clock gauge is fixed on one end of base, clock gauge contact pilotage on clock gauge contacts with the one end that can move left and right crossbeam.
Beneficial effect of the present invention, the present invention is directed to the experiment of high precision film fold and fold regulation and control: by moving up and down crossbeam regulation and control film surface tensioning degree, measure pleat critical shear load by moving left and right crossbeam and clock gauge (or load transducer).Thereby the critical shear load when stretching tensile load while having realized film surface corrugationless and generation fold is measured, and then the fold regulation and control of high precision membrane structure have been realized.The operation that the present invention can realize film, textile material stretching and shear two kinds of load modes, can realize experiment, subtest and the fold of fold and control.
Accompanying drawing explanation
Fig. 1 is that film of the present invention draws the structural representation (main looking) of cutting coupling experiment proving installation;
Fig. 2 is that film of the present invention draws the structural representation (backsight) of cutting coupling experiment proving installation;
Fig. 3 is that film of the present invention draws and cuts the schematic diagram that coupling experiment proving installation is provided with significant target spot;
Fig. 4 and Fig. 5 maybe can move left and right the vertical view of crossbeam 3 for moving up and down crossbeam 2;
Fig. 6 and Fig. 7 are for moving up and down the cut-open view that crossbeam 2 maybe can move left and right crossbeam 3 (relate in Fig. 6 or Fig. 7 can move left and right crossbeam 3 neglect screw rod 10);
Fig. 8 is the structural representation of embodiment 2;
Fig. 9 is the structural representation of two exchange devices.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail: the present embodiment is implemented take technical solution of the present invention under prerequisite, provided detailed embodiment, but protection scope of the present invention is not limited to following embodiment.
As depicted in figs. 1 and 2, the related a kind of film of the present embodiment draws cuts coupling experiment proving installation, comprise: two vertical rods 1, can move up and down crossbeam 2, can move left and right crossbeam 3, interlock slide block 4, handwheel 5, clock gauge 7, fixedly slide block 8, base 9 and screw rod 10, described two vertical rod 1 left and right be arranged in parallel, can move up and down Qie Mei one end, top that crossbeam 2 is arranged on two vertical rods 1 is connected respectively at a vertical rod 2, the lower end of two vertical rods 1 is all fixedly connected with base 9, the upside of base 9 is provided with fixedly slide block 8, can move left and right crossbeam 3 is arranged on fixedly on slide block 8, the outer setting that can move left and right crossbeam 3 has interlock slide block 4, screw rod 10 be arranged on can move left and right in crossbeam 3 and with can move left and right crossbeam 3 and be threaded, on one end of screw rod 10, be fixed with handwheel 5, clock gauge 7 is fixed on one end of base 9, clock gauge contact pilotage 6 on clock gauge 7 contacts with the one end that can move left and right crossbeam 3.
As shown in Figure 3, further, the present embodiment also comprises significant target spot 11, and described significant target spot 11 is six, can move up and down on crossbeam 2 and be evenly equipped with three significant target spots 11, can move left and right and on crossbeam 3, be evenly equipped with three significant target spots 11.6 significant target spots of high precision guarantee that arbitrary neighborhood target spot is homocentric.Lateral marker target spot and place, longitudinal significant target spot center of circle straight line quadrature.When can be used for fold test, set up these significant target spots test macro reference frame.
As shown in Figure 4 and Figure 6, the described crossbeam 2 that moves up and down maybe can move left and right crossbeam 3 and is comprised of pole 21 and two clamping plate 22, and pole 21 is arranged in two clamping plate 22.Film is wound on pole and with clamping plate, is clamped, be convenient to the adjusting of the initial flatness of film.
As shown in Fig. 5 and Fig. 7, the described crossbeam 2 that moves up and down maybe can move left and right crossbeam 3 and is comprised of two stripe board, is equipped with projection 23 and groove 24 in two stripe board, and the projection 23 in a described stripe board and the groove 24 in another stripe board match.Projection and groove in above-mentioned such two stripe board are called antisymmetry notch.Can avoid film maybe can move left and right crossbeam 3 changing of the relative positions slippages can move up and down crossbeam 2.
As shown in Figure 8 and Figure 9, the difference of the present embodiment and embodiment 1 is, two have been increased with passing through the mix-loaded parts 30 of crossbeam 31, a clock gauge 7 and two two exchange devices, described two mix-loaded parts 30 are arranged symmetrically with, mix-loaded parts 30 are arranged in the vertical rod 1 of a side by two exchange devices, another mix-loaded parts 30 are arranged in the vertical rod 1 of opposite side by another two exchange device, the clock gauge 7 of described increase is fixed on base 9 with clock gauge 7 symmetries formerly, clock gauge contact pilotage 6 on the clock gauge 7 of described increase contacts with the other end that can move left and right crossbeam 3, in described vertical rod 1 He on crossbeam 31, be equipped with scale.
On two vertical rods of the present embodiment and the horizontal mix-loaded parts crossbeam that newly increases, be provided with scale, for leveling and the setting that loads displacement, read.Two vertical rods except be arrangeding in parallel, the depth of parallelism in the time of also should guaranteeing to move up and down cross beam movement, assurance level.Therefore, two vertical rods also have two effects: (1) learns the vertical displacement that can move up and down crossbeam; (2) learn the levelness that can move up and down crossbeam.Thereby can obtain the displacement (or load) that can move left and right crossbeam.In addition, for the load measurement that two clock gauges (or load transducer) are convenient to biaxial loadings is laid in the moved left and right crossbeam left and right of bottom.
The present embodiment can be realized pure extension (unidirectional, two-way), pure shear (unidirectional, two-way) and draw and cut coupling (unidirectional, two-way) loading and face intort.The pleat that goes out that several classes are conventional is tested the proving installation realization that loading form all can utilize the present embodiment.
Described in the present embodiment, two exchange devices are comprised of the horizontal sleeve pipe 32 with butterfly screw rod and the horizontal sleeve pipe 33 with butterfly screw rod, the described horizontal sleeve pipe 32 with butterfly screw rod is together with horizontal sleeve pipe 33 with butterfly screw rod is vertically fixed on mutually, horizontal sleeve pipe 33 with butterfly screw rod is enclosed within vertical rod 1, with the horizontal sleeve pipe 32 of butterfly screw rod, is enclosed within on crossbeam 31.(such structure is also applicable to move up and down crossbeam 2 and can moves left and right crossbeam 3)
The present embodiment can be realized level and loads or laterally provide pretension to film.Can realize and moving up and down, and in a side direction, when opposite side moves down, will realize shearing loading.When utilizing the moved left and right crossbeam of bottom, this frock level shears loading, and vertical direction utilizes mix-loaded parts to shear while loading, if both shear directions produce in the same way, the torsion of test specimen is loaded, if both shear directions are contrary, test specimen produced to double direction shear and load.
The above; it is only preferably embodiment of the present invention; these embodiments are all the different implementations based under general idea of the present invention; and protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (6)
1. a film draws and cuts coupling experiment proving installation, it is characterized in that, comprise: two vertical rods (1), can move up and down crossbeam (2), can move left and right crossbeam (3), interlock slide block (4), handwheel (5), clock gauge (7), fixing slide block (8), base (9) and screw rod (10), described two vertical rods (1) left and right be arranged in parallel, can move up and down Qie Mei one end, top that crossbeam (2) is arranged on two vertical rods (1) is connected respectively at a vertical rod (2), the lower end of two vertical rods (1) is all fixedly connected with base (9), the upside of base (9) is provided with fixedly slide block (8), can move left and right crossbeam (3) is arranged on fixedly on slide block (8), the outer setting that can move left and right crossbeam (3) has interlock slide block (4), screw rod (10) be arranged on can move left and right in crossbeam (3) and with can move left and right crossbeam (3) and be threaded, on one end of screw rod (10), be fixed with handwheel (5), clock gauge (7) is fixed on one end of base (9), clock gauge contact pilotage (6) on clock gauge (7) contacts with the one end that can move left and right crossbeam (3).
2. film according to claim 1 draws and cuts coupling experiment proving installation, it is characterized in that, also comprise significant target spot (11), described significant target spot (11) is six, can move up and down and on crossbeam (2), be evenly equipped with three significant target spots (11), can move left and right on crossbeam (3) and be evenly equipped with three significant target spots (11), six dot mark target spots guarantee that arbitrary neighborhood target spot is homocentric, lateral marker target spot and place, longitudinal significant target spot center of circle straight line quadrature.
3. film according to claim 1 draws and cuts coupling experiment proving installation, it is characterized in that, the described crossbeam (2) that moves up and down maybe can move left and right crossbeam (3) and is comprised of pole (21) and two clamping plate (22), and pole (21) is arranged in two clamping plate (22).
4. film according to claim 1 draws and cuts coupling experiment proving installation, it is characterized in that, the described crossbeam (2) that moves up and down maybe can move left and right crossbeam (3) and is comprised of two stripe board, in two stripe board, be equipped with projection (23) and groove (24), the projection (23) in a described stripe board and the groove (24) in another stripe board match.
5. film according to claim 1 draws and cuts coupling experiment proving installation, it is characterized in that, two have been increased with passing through the mix-loaded parts (30) of crossbeam (31), a clock gauge (7) and two two exchange devices, described two mix-loaded parts (30) are arranged symmetrically with, mix-loaded parts (30) are arranged in the vertical rod (1) of a side by two exchange devices, another mix-loaded parts (30) are arranged in the vertical rod (1) of opposite side by another two exchange device, the clock gauge of described increase (7) is fixed on base (9) with clock gauge (7) symmetry formerly, clock gauge contact pilotage (6) on the clock gauge of described increase (7) contacts with the other end that can move left and right crossbeam (3), described vertical rod (1) above and on crossbeam (31) is equipped with scale.
6. film according to claim 5 draws and cuts coupling experiment proving installation, it is characterized in that, described two exchange devices form by the horizontal sleeve pipe (32) with butterfly screw rod with the horizontal sleeve pipe (33) of butterfly screw rod, the described horizontal sleeve pipe (32) with butterfly screw rod and being mutually vertically fixed on together with the horizontal sleeve pipe (33) of butterfly screw rod, with the horizontal sleeve pipe (33) of butterfly screw rod, be enclosed within vertical rod (1) upper, with the horizontal sleeve pipe (32) of butterfly screw rod, be enclosed within on crossbeam (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310572194.8A CN103558097B (en) | 2013-11-15 | 2013-11-15 | Film draws cuts coupling experiment proving installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310572194.8A CN103558097B (en) | 2013-11-15 | 2013-11-15 | Film draws cuts coupling experiment proving installation |
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| Publication Number | Publication Date |
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| CN103558097A true CN103558097A (en) | 2014-02-05 |
| CN103558097B CN103558097B (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310572194.8A Expired - Fee Related CN103558097B (en) | 2013-11-15 | 2013-11-15 | Film draws cuts coupling experiment proving installation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109230725A (en) * | 2017-11-01 | 2019-01-18 | 郑州大学 | A kind of rectangular element film device |
| CN109230725B (en) * | 2017-11-01 | 2024-06-04 | 郑州大学 | Rectangular unit film stretching device |
Citations (8)
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| CN1587964A (en) * | 2004-09-24 | 2005-03-02 | 东华大学 | Combined measuring method and device for stretching, compressing, bursting and prick-cut |
| CN2779380Y (en) * | 2005-04-11 | 2006-05-10 | 南京航空航天大学 | Tensile shear and compressive shear compound load test apparatus |
| JP2008111739A (en) * | 2006-10-31 | 2008-05-15 | Oji Paper Co Ltd | Tool for thickness-wise shear test on sheet-like material and thickness-wise shear test machine |
| CN101531297A (en) * | 2009-04-10 | 2009-09-16 | 邱栋 | Unreeling device special for embedded silk thread |
| CN201445210U (en) * | 2009-07-10 | 2010-05-05 | 廖建甜 | Adjustable mosquito curtain |
| CN102680320A (en) * | 2012-06-08 | 2012-09-19 | 哈尔滨工业大学 | Fixture for testing tensile properties of ultrathin flexible membrane materials |
| CN102879031A (en) * | 2012-09-01 | 2013-01-16 | 安徽南风环境工程技术有限公司 | Bracket |
| CN103307067A (en) * | 2013-05-22 | 2013-09-18 | 江阴市东升建筑机械有限公司 | Combined bracket |
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2013
- 2013-11-15 CN CN201310572194.8A patent/CN103558097B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587964A (en) * | 2004-09-24 | 2005-03-02 | 东华大学 | Combined measuring method and device for stretching, compressing, bursting and prick-cut |
| CN2779380Y (en) * | 2005-04-11 | 2006-05-10 | 南京航空航天大学 | Tensile shear and compressive shear compound load test apparatus |
| JP2008111739A (en) * | 2006-10-31 | 2008-05-15 | Oji Paper Co Ltd | Tool for thickness-wise shear test on sheet-like material and thickness-wise shear test machine |
| CN101531297A (en) * | 2009-04-10 | 2009-09-16 | 邱栋 | Unreeling device special for embedded silk thread |
| CN201445210U (en) * | 2009-07-10 | 2010-05-05 | 廖建甜 | Adjustable mosquito curtain |
| CN102680320A (en) * | 2012-06-08 | 2012-09-19 | 哈尔滨工业大学 | Fixture for testing tensile properties of ultrathin flexible membrane materials |
| CN102879031A (en) * | 2012-09-01 | 2013-01-16 | 安徽南风环境工程技术有限公司 | Bracket |
| CN103307067A (en) * | 2013-05-22 | 2013-09-18 | 江阴市东升建筑机械有限公司 | Combined bracket |
Non-Patent Citations (1)
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| 李云良 等: "基于摄影测量法的薄膜褶皱实验研究", 《实验力学》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109230725A (en) * | 2017-11-01 | 2019-01-18 | 郑州大学 | A kind of rectangular element film device |
| CN109230725B (en) * | 2017-11-01 | 2024-06-04 | 郑州大学 | Rectangular unit film stretching device |
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| CN103558097B (en) | 2016-01-27 |
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