CN201637637U - Cross-shaped screw type film tensioning device - Google Patents
Cross-shaped screw type film tensioning device Download PDFInfo
- Publication number
- CN201637637U CN201637637U CN2010201697000U CN201020169700U CN201637637U CN 201637637 U CN201637637 U CN 201637637U CN 2010201697000 U CN2010201697000 U CN 2010201697000U CN 201020169700 U CN201020169700 U CN 201020169700U CN 201637637 U CN201637637 U CN 201637637U
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- film material
- anchor clamps
- film
- level frame
- nut seat
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Abstract
The utility model discloses a cross-shaped screw type film tensioning device, comprising a cross-shaped supporting frame and a film transverse tensioning mechanism and a film longitudinal tensioning mechanism which are arranged on the top surface of the cross-shaped supporting frame, wherein the film transverse tensioning mechanism and the film longitudinal tensioning mechanism are respectively provided with a nut seat, a lead screw, a tensometer and clamps; a film to be detected is arranged at the middle part of a horizontal rack; the four azimuths of the film are respectively clamped by the clamps which are fixedly connected with the tensometer; the tensometer is fixedly connected with the lead screw passing through the nut seat; and the outer end of the lead screw forms a driving end. The cross-shaped screw type film tensioning device can apply force on the film transversely by rotation of the lead screw which is arranged transversely, the film longitudinal tensioning mechanism can apply force on the film, therefore, the cross-shaped screw type film tensioning device can realize single-shaft or two-shaft tensioning on the film, is used for measuring ultimate tensile strength, ultimate stretch rate, elastic modulus and Poisson ratio of the film when in single-shaft stretch, and measuring the two-way displacement and load curve of the two-shaft tensioning of the film, the wrap and weft elastic modulus and Poisson ratio of the film.
Description
Technical field
The utility model relates to a kind of tensioning equipment, relates in particular to a kind of cruciform screw film material tensioning equipment.
Background technology
Membrane structure is the novel structural system of just rising nearest decades.Because its deadweight is little and economical and beautiful, so it is widely used in the large-span space structure, as: large-scale stadium, conference and exhibition center, decoration essay etc.
Membrane structure generally is made up of steel construction or the composite material and the cable anchorage etc. of film material and support membrane material.The rigidity of membrane structure realizes by applying pretension for the film material.Pretension in the film material is big more, and the rigidity of membrane structure is just big more, and its ability of bearing external load is just corresponding strong more; Pretension in the film material is more little, and the rigidity of membrane structure is just more little, and its ability of bearing external load is just corresponding weak more.Therefore the film material is one of main primary structure member in membrane structure, and the mechanical property of film material, as tensile strength, shrinkage and creep characteristic etc., directly has influence on design, construction, usability and the security of membrane structure.In order correctly to carry out membrane structure design and construction to guarantee the normal use and the security of membrane structure, research must experimentize to the mechanical property of film material, obtaining necessary film material mechanical property parameters, as: tensile strength, elastic modulus, Poisson ratio, the lax and characteristic etc. of creeping.At present, the experiment of the mechanical property of film material mainly is to adopt single shaft stretch-draw.
The stretch-draw rigidity of film material and the mensuration of Poisson ratio are adopted single shaft pulling test or twin shaft pulling test usually.The mensuration of shearing rigidity also adopts interior pressure, the twisting test of single shaft pulling test or column usually.Because film material actual forced status in structure is the twin shaft stress, and is along stressed on quadrature two directions.Twin shaft pulling test measurement result is more near actual conditions theoretically.In recent years many countries just develop to the twin shaft pulling test from the single shaft pulling test on the assay method of film material elastic constant, but for a long time because of lack the test that suitable film material twin shaft stretch-draw measuring equipment affects the various mechanical properties of film material always.
The utility model content
At weak point of the prior art, the utility model provides a kind of single shaft of both can having realized to detect, can realize the cruciform screw film material tensioning equipment that twin shaft detects again, this film material tensioning equipment is used to measure the ultimate tensile strength and the ultimate elongation rate of film material in the time of can realizing single shaft stretch-draw film material, and the elastic modulus and the Poisson ratio of film material during uniaxial tension; The bidirectional displacement and the load curve that can be used to obtain the film material when realizing twin shaft stretch-draw film material, with warp, the latitudinal elastic modulus of acquisition film material, and Poisson ratio.
The cruciform screw film material tensioning equipment that the utility model provides comprises the cruciform bracing frame and is arranged on film material transverse stretching mechanism and the vertical stretch-draw of film material mechanism on the cruciform bracing frame end face;
Described cruciform bracing frame comprises support column and level frame, and described level frame intersects on vertical and horizontal and is decussate texture, and horizontal fixed is arranged on the top of support column; Described film material to be detected is arranged on the middle part of level frame;
Described film material transverse stretching mechanism comprises the anchor clamps I that sets gradually nut seat I, screw mandrel I, tautness meter I and clamping film material along the horizontal side ecto-entad of the end face of level frame, and the opposite side ecto-entad sets gradually the anchor clamps II of pull bar I and clamping film material; Described nut seat I is fixedly installed on the level frame, and described screw mandrel I passes nut seat I, and an end outwards forms drive end I, and the other end is fixedlyed connected with the end of tautness meter I, and the other end of tautness meter I is fixedlyed connected with anchor clamps I; The end of described pull bar I is fixedly installed on the level frame, and the other end is fixedlyed connected with anchor clamps II;
The vertical stretch-draw of described film material mechanism comprises the anchor clamps III that sets gradually nut seat II, screw mandrel II, tautness meter II and clamping film material along the vertical side ecto-entad of the end face of level frame, and the opposite side ecto-entad sets gradually the anchor clamps IV of pull bar II and clamping film material; Described nut seat II is fixedly installed on the level frame, and described screw mandrel II passes nut seat II, and an end outwards forms drive end II, and the other end is fixedlyed connected with the end of tautness meter II, and the other end of tautness meter II is fixedlyed connected with anchor clamps III; The end of described pull bar II is fixedly installed on the level frame, and the other end is fixedlyed connected with anchor clamps IV.
Further, described anchor clamps I, anchor clamps II, anchor clamps III and anchor clamps IV form by top board and lower platen, and described top board and lower platen are provided with the bolt hole of a plurality of correspondences, treat that the film material of clamping is clamped between top board and the lower platen.
Compared with prior art, the utlity model has following advantage:
1. film material to be detected is arranged on the middle part of level frame, the horizontally set film material transverse stretching mechanism of film material, by the screw mandrel rotation of horizontally set, can be to the horizontal application of force of film material, the big I that applies power demonstrates by tautness meter; The film material film material transverse stretching mechanism vertically is set, can be to the vertical application of force of film material, the big I that applies power demonstrates by tautness meter.Therefore, can adopt this film material tensioning equipment can realize the film material is carried out single shaft or twin shaft stretch-draw, be used to measure the ultimate tensile strength and the ultimate elongation rate of film material when realizing single shaft stretch-draw film material, and the elastic modulus and the Poisson ratio of film material during uniaxial tension; The bidirectional displacement and the load curve that can be used to obtain the film material when realizing twin shaft stretch-draw film material, with warp, the latitudinal elastic modulus of acquisition film material, and Poisson ratio.
2. this film material tensioning equipment both can detect circular face, can detect the rectangle face again, can on face, determine square boundary (if do circular to the border stationary installation, that just can determine circular boundary), can isolate like this and be convenient to Theoretical Calculation, the experiment situation that meets with theoretical model.Such as: can measure the mode of oscillation of rectangle or circular membrane material, vibration frequency, and rectangle or circular dynamic response under the impact load effect.
3. this film material tensioning equipment also has following advantage: simple for production, economical and practical; The single shaft of film material and twin shaft stretch-draw experiment can be used, and during twin shaft stretch-draw, the upwards loading of arbitrary proportion of film material quadrature two can be realized; Can determine rectangle or circular border, so that carry out the vibration of film material and the experiment of the dynamic response under various external load effects; Can be applied to measure the multiple mechanical property parameters of film material.
Description of drawings
Fig. 1 is a vertical view of the present utility model;
Fig. 2 is a front view of the present utility model;
Fig. 3 is that lamina membranacea to be detected is clamped in the structural representation in the anchor clamps.
In the accompanying drawing, 1-support column 2-level frame 3-nut seat I 4-screw mandrel I 5-tautness meter I6-anchor clamps I 7-pull bar I 8-anchor clamps II 9-drive end I 10-nut seat II11-screw mandrel II 12-stayed mast II 13-anchor clamps III 14-pull bar II 15-anchor clamps IV16-drive end II 17-lamina membranacea 18-top board 19-lower platen 20-clamping screw 21-stay cord
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done to describe in further detail.
Fig. 1 is a vertical view of the present utility model, Fig. 2 is a front view of the present utility model, and as shown in the figure: cruciform screw film material tensioning equipment comprises the cruciform bracing frame and is arranged on film material transverse stretching mechanism and the vertical stretch-draw of film material mechanism on the cruciform bracing frame end face.Described cruciform bracing frame comprises support column 1 and level frame 2, and described level frame 2 intersects on vertical and horizontal and is decussate texture, and horizontal fixed is arranged on the top of support column 1; Described film material 17 to be detected is arranged on the middle part of level frame 2.Described film material transverse stretching mechanism comprises the anchor clamps I 6 that sets gradually nut seat I 3, screw mandrel I4, tautness meter I 5 and clamping film material along the horizontal side ecto-entad of the end face of level frame 2, and the opposite side ecto-entad sets gradually the anchor clamps II 8 of pull bar I 7 and clamping film material; Described nut seat I 3 is fixedly installed on the outer end of level frame 2 horizontal sides, described screw mandrel I 4 pass nut seat I 3 and with nut seat I 3 threaded engagement, the end of screw mandrel I 4 outwards forms drive end I 9, the other end is fixedlyed connected with the end of tautness meter I 5, and the other end of tautness meter I 5 is fixedlyed connected with anchor clamps I 6 by stay cord 21; The end of described pull bar I 7 is fixedly installed on the outer end of level frame 2 horizontal opposite sides, and the other end is fixedlyed connected with anchor clamps II 8 by stay cord 21.The vertical stretch-draw of described film material mechanism comprises the anchor clamps III13 that sets gradually nut seat II 10, screw mandrel II 11, tautness meter II 12 and clamping film material along the vertical side ecto-entad of the end face of level frame 2, and the opposite side ecto-entad sets gradually the anchor clamps IV 15 of pull bar II 14 and clamping film material; Described nut seat II 10 is fixedly installed on the outer end of level frame 2 vertical sides, described screw mandrel II 11 pass nut seat II 10 and with nut seat II 10 threaded engagement, the end of screw mandrel II 11 outwards forms drive end II 16, the other end is fixedlyed connected with the end of tautness meter II 12, and the other end of tautness meter II 12 is fixedlyed connected with anchor clamps III13 by stay cord 21; The end of described pull bar II 14 is fixedly installed on the outer end of level frame 2 vertical opposite sides, and the other end is fixedlyed connected with anchor clamps IV 15 by stay cord 21.
Fig. 3 is that lamina membranacea to be detected is clamped in the structural representation in the anchor clamps, as shown in the figure: described anchor clamps I 6, anchor clamps II 8, anchor clamps III13 and anchor clamps IV 15 form by top board 18 and lower platen 19, described top board 18 and lower platen 19 are provided with the bolt hole of a plurality of correspondences, in the present embodiment, the top board of each anchor clamps and lower platen are equipped with six bolts hole, the film material 17 for the treatment of clamping is clamped between top board 18 and the lower platen 19, and clamping screw 20 passes bolt hole and film material 17 and film material 17 is fixed between top board 18 and the lower platen 19.
When using this film material tensioning equipment, film material to be detected is lain in a horizontal plane in the middle part of level frame 2, anchor clamps I 6 and anchor clamps II 8 are clamped on the two ends of film material in the horizontal, drive the drive end I 9 of screw mandrel I 4, can realize that screw mandrel I 4 is to inner rotary, screw mandrel I 4 applies horizontal single shaft stretching force by tautness meter I 5, stay cord 21 and 6 pairs of film materials of anchor clamps I, and the big I that applies power directly reads from tautness meter I 5.Anchor clamps III13 and anchor clamps IV15 are clamped on the two ends of film material in the vertical, drive the drive end II 16 of screw mandrel II 11, can realize that screw mandrel II 11 is to inner rotary, screw mandrel II 11 applies vertical single shaft stretching force by tautness meter II 12, stay cord and anchor clamps III13 to the film material, and the big I that applies power directly reads from tautness meter II 12.Be to measure bidirectional displacement and the load curve of film material under the twin shaft stress condition, obtaining warp, the latitudinal elastic modulus of film material, and Poisson ratio, only need drive the drive end I 9 of screw mandrel I 4 simultaneously and the drive end II 16 of screw mandrel II 11 just can realize.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (2)
1. cruciform screw film material tensioning equipment is characterized in that: comprise the cruciform bracing frame and be arranged on film material transverse stretching mechanism and the vertical stretch-draw of film material mechanism on the cruciform bracing frame end face;
Described cruciform bracing frame comprises support column (1) and level frame (2), and described level frame (2) intersects on vertical and horizontal and is decussate texture, and horizontal fixed is arranged on the top of support column (1); Described film material (17) to be detected is arranged on the middle part of level frame (2);
Described film material transverse stretching mechanism comprises the anchor clamps I (6) that sets gradually nut seat I (3), screw mandrel I (4), tautness meter I (5) and clamping film material along the horizontal side ecto-entad of the end face of level frame (2), and the opposite side ecto-entad sets gradually the anchor clamps II (8) of pull bar I (7) and clamping film material; Described nut seat I (3) is fixedly installed on the level frame (2), described screw mandrel I (4) passes nut seat I (3), one end outwards forms drive end I (9), and the other end is fixedlyed connected with the end of tautness meter I (5), and the other end of tautness meter I (5) is fixedlyed connected with anchor clamps I (6); The end of described pull bar I (7) is fixedly installed on the level frame (2), and the other end is fixedlyed connected with anchor clamps II (8);
The vertical stretch-draw of described film material mechanism comprises the anchor clamps III (13) that sets gradually nut seat II (10), screw mandrel II (11), tautness meter II (12) and clamping film material along the vertical side ecto-entad of the end face of level frame (2), and the opposite side ecto-entad sets gradually the anchor clamps IV (15) of pull bar II (14) and clamping film material; Described nut seat II (10) is fixedly installed on the level frame (2), described screw mandrel II (11) passes nut seat II (10), one end outwards forms drive end II (16), the other end is fixedlyed connected with the end of tautness meter II (12), and the other end of tautness meter II (12) is fixedlyed connected with anchor clamps III (13); The end of described pull bar II (14) is fixedly installed on the level frame (2), and the other end is fixedlyed connected with anchor clamps IV (15).
2. cruciform screw film material tensioning equipment according to claim 1, it is characterized in that: described anchor clamps I (6), anchor clamps II (8), anchor clamps III (13) and anchor clamps IV (15) form by top board (18) and lower platen (19), described top board (18) and lower platen (19) are provided with the bolt hole of a plurality of correspondences, treat that the film material (17) of clamping is clamped between top board (18) and the lower platen (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201697000U CN201637637U (en) | 2010-04-23 | 2010-04-23 | Cross-shaped screw type film tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201697000U CN201637637U (en) | 2010-04-23 | 2010-04-23 | Cross-shaped screw type film tensioning device |
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| Publication Number | Publication Date |
|---|---|
| CN201637637U true CN201637637U (en) | 2010-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201697000U Expired - Fee Related CN201637637U (en) | 2010-04-23 | 2010-04-23 | Cross-shaped screw type film tensioning device |
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| CN (1) | CN201637637U (en) |
Cited By (27)
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|---|---|---|---|---|
| CN102621014A (en) * | 2012-03-16 | 2012-08-01 | 北京工业大学 | Bidirectional crossly stretched multi-shaft fatigue test device with micro thin film structure |
| CN102680317A (en) * | 2012-05-10 | 2012-09-19 | 上海交通大学 | Clamp for testing shearing performance of braided fabric material |
| CN104865141A (en) * | 2015-05-07 | 2015-08-26 | 北京航空航天大学 | Surface strength testing apparatus |
| CN104900129A (en) * | 2015-05-04 | 2015-09-09 | 同济大学 | Tensile membrane structure teaching model |
| CN105092374A (en) * | 2015-06-03 | 2015-11-25 | 中国矿业大学 | Test method suitable for elastic modulus of coated fabric membrane material in model test |
| CN105758722A (en) * | 2016-02-26 | 2016-07-13 | 重庆大学 | Simple and stretching ratio adjustable type double-shaft synchronous stretching device and method |
| CN105954122A (en) * | 2016-04-21 | 2016-09-21 | 重庆大学 | Apparatus for testing performance of construction film structure under condition of simulated rainstorm impact |
| CN106226229A (en) * | 2016-07-26 | 2016-12-14 | 重庆大学 | A kind of method testing polygon Archtectural Coatings structural mechanical property |
| CN106290143A (en) * | 2016-07-26 | 2017-01-04 | 重庆大学 | A kind of device testing arbitrary shape Archtectural Coatings structural mechanical property |
| CN106841259A (en) * | 2017-01-16 | 2017-06-13 | 重庆大学 | Uniaxial stretching device in situ |
| CN107843422A (en) * | 2017-12-14 | 2018-03-27 | 大连科迈尔防腐科技有限公司 | A kind of fatigue experimental device and method for applying axial pretension |
| CN108181035A (en) * | 2018-02-26 | 2018-06-19 | 成都理工大学 | Saddle type membrane structure experimental rig |
| CN108225911A (en) * | 2017-12-22 | 2018-06-29 | 重庆中科建设（集团）有限公司 | A kind of geometric measurement method of thin-film material Poisson when Young's modulus of elasticity |
| CN108732011A (en) * | 2018-04-11 | 2018-11-02 | 山东科技大学 | Membrane material biaxial tensile strength tensile testing machine and its application method |
| CN109187180A (en) * | 2018-08-16 | 2019-01-11 | 东南大学 | A kind of material Poisson ratio measuring method based on biaxial tension-compression strength |
| CN109406255A (en) * | 2018-10-11 | 2019-03-01 | 中国矿业大学 | A kind of fixture and bursting device of coated fabric membrane material burst testing |
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| CN110501226A (en) * | 2019-08-29 | 2019-11-26 | 北京航空航天大学 | A kind of biaxial tension-compression strength machine for biomaterial |
| CN110735481A (en) * | 2019-10-28 | 2020-01-31 | 温州旭扬膜结构工程有限公司 | small-span film structure integral clamping and tensioning device based on gear transmission |
| CN111307349A (en) * | 2020-02-20 | 2020-06-19 | 中国科学院近代物理研究所 | Controllable tension draws membrane device |
| CN111307621A (en) * | 2020-02-10 | 2020-06-19 | 中国矿业大学 | Flexible boundary tensioning pre-tightening device for membrane impact test and operation method |
| CN112113842A (en) * | 2020-09-22 | 2020-12-22 | 中国航发湖南动力机械研究所 | Data measuring device and data measuring method for plane double-shaft test |
| CN112504807A (en) * | 2019-09-15 | 2021-03-16 | 南京理工大学 | Testing arrangement suitable for flexible membrane material puncture performance |
| CN112829272A (en) * | 2020-12-30 | 2021-05-25 | 陈成超 | Can prevent to stretch inhomogeneous plastic film processing and use tensile equipment |
| CN113073863A (en) * | 2021-02-25 | 2021-07-06 | 中铁建工集团有限公司 | Automatic adjusting system for building membrane structure tensioning and working method |
| CN113776929A (en) * | 2021-08-20 | 2021-12-10 | 中国原子能科学研究院 | Clamp and equipment for film tensile test |
| CN116358992A (en) * | 2023-05-30 | 2023-06-30 | 江西财经大学 | Baseband tensile strength change detection device for cover tape production |
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2010
- 2010-04-23 CN CN2010201697000U patent/CN201637637U/en not_active Expired - Fee Related
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| CN102621014A (en) * | 2012-03-16 | 2012-08-01 | 北京工业大学 | Bidirectional crossly stretched multi-shaft fatigue test device with micro thin film structure |
| CN102621014B (en) * | 2012-03-16 | 2014-02-19 | 北京工业大学 | Bidirectional crossly stretched multi-shaft fatigue test device with micro thin film structure |
| CN102680317A (en) * | 2012-05-10 | 2012-09-19 | 上海交通大学 | Clamp for testing shearing performance of braided fabric material |
| CN104900129A (en) * | 2015-05-04 | 2015-09-09 | 同济大学 | Tensile membrane structure teaching model |
| CN104865141A (en) * | 2015-05-07 | 2015-08-26 | 北京航空航天大学 | Surface strength testing apparatus |
| CN104865141B (en) * | 2015-05-07 | 2017-06-23 | 北京航空航天大学 | A kind of surface strength test device |
| CN105092374A (en) * | 2015-06-03 | 2015-11-25 | 中国矿业大学 | Test method suitable for elastic modulus of coated fabric membrane material in model test |
| CN105758722A (en) * | 2016-02-26 | 2016-07-13 | 重庆大学 | Simple and stretching ratio adjustable type double-shaft synchronous stretching device and method |
| CN105758722B (en) * | 2016-02-26 | 2019-05-17 | 重庆大学 | A kind of easy, the adjustable Dual-shaft synchronous stretching device of stretch ratio and method |
| CN105954122A (en) * | 2016-04-21 | 2016-09-21 | 重庆大学 | Apparatus for testing performance of construction film structure under condition of simulated rainstorm impact |
| CN106226229A (en) * | 2016-07-26 | 2016-12-14 | 重庆大学 | A kind of method testing polygon Archtectural Coatings structural mechanical property |
| CN106290143A (en) * | 2016-07-26 | 2017-01-04 | 重庆大学 | A kind of device testing arbitrary shape Archtectural Coatings structural mechanical property |
| CN106841259A (en) * | 2017-01-16 | 2017-06-13 | 重庆大学 | Uniaxial stretching device in situ |
| CN107843422B (en) * | 2017-12-14 | 2024-03-26 | 大连科迈尔海洋科技有限公司 | Fatigue test device and method capable of applying axial pretension |
| CN107843422A (en) * | 2017-12-14 | 2018-03-27 | 大连科迈尔防腐科技有限公司 | A kind of fatigue experimental device and method for applying axial pretension |
| CN108225911A (en) * | 2017-12-22 | 2018-06-29 | 重庆中科建设（集团）有限公司 | A kind of geometric measurement method of thin-film material Poisson when Young's modulus of elasticity |
| CN108181035A (en) * | 2018-02-26 | 2018-06-19 | 成都理工大学 | Saddle type membrane structure experimental rig |
| CN108181035B (en) * | 2018-02-26 | 2023-12-08 | 成都理工大学 | Saddle-shaped film structure test device |
| CN108732011A (en) * | 2018-04-11 | 2018-11-02 | 山东科技大学 | Membrane material biaxial tensile strength tensile testing machine and its application method |
| CN109187180A (en) * | 2018-08-16 | 2019-01-11 | 东南大学 | A kind of material Poisson ratio measuring method based on biaxial tension-compression strength |
| CN109187180B (en) * | 2018-08-16 | 2021-08-24 | 东南大学 | Material Poisson ratio measuring method based on biaxial tensile test |
| CN109406272A (en) * | 2018-10-11 | 2019-03-01 | 中国矿业大学 | A kind of jacking membrane structure accumulated loading test device and test method |
| CN109406255B (en) * | 2018-10-11 | 2020-06-16 | 中国矿业大学 | Clamp for bursting test of coating fabric membrane material and bursting device |
| CN109406255A (en) * | 2018-10-11 | 2019-03-01 | 中国矿业大学 | A kind of fixture and bursting device of coated fabric membrane material burst testing |
| CN110501226A (en) * | 2019-08-29 | 2019-11-26 | 北京航空航天大学 | A kind of biaxial tension-compression strength machine for biomaterial |
| CN112504807B (en) * | 2019-09-15 | 2023-08-04 | 南京理工大学 | Testing arrangement suitable for flexible membrane material puncture performance |
| CN112504807A (en) * | 2019-09-15 | 2021-03-16 | 南京理工大学 | Testing arrangement suitable for flexible membrane material puncture performance |
| CN110735481A (en) * | 2019-10-28 | 2020-01-31 | 温州旭扬膜结构工程有限公司 | small-span film structure integral clamping and tensioning device based on gear transmission |
| CN111307621A (en) * | 2020-02-10 | 2020-06-19 | 中国矿业大学 | Flexible boundary tensioning pre-tightening device for membrane impact test and operation method |
| CN111307349A (en) * | 2020-02-20 | 2020-06-19 | 中国科学院近代物理研究所 | Controllable tension draws membrane device |
| CN112113842A (en) * | 2020-09-22 | 2020-12-22 | 中国航发湖南动力机械研究所 | Data measuring device and data measuring method for plane double-shaft test |
| CN112829272A (en) * | 2020-12-30 | 2021-05-25 | 陈成超 | Can prevent to stretch inhomogeneous plastic film processing and use tensile equipment |
| CN113073863A (en) * | 2021-02-25 | 2021-07-06 | 中铁建工集团有限公司 | Automatic adjusting system for building membrane structure tensioning and working method |
| CN113073863B (en) * | 2021-02-25 | 2021-12-10 | 中铁建工集团有限公司 | Automatic adjusting system for building membrane structure tensioning and working method |
| CN113776929A (en) * | 2021-08-20 | 2021-12-10 | 中国原子能科学研究院 | Clamp and equipment for film tensile test |
| CN116358992A (en) * | 2023-05-30 | 2023-06-30 | 江西财经大学 | Baseband tensile strength change detection device for cover tape production |
| CN116358992B (en) * | 2023-05-30 | 2023-09-08 | 江西美杰电子材料有限公司 | Baseband tensile strength change detection device for cover tape production |
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Granted publication date: 20101117 Termination date: 20140423 |