CN102998179B - Single-driving bisynchronous-stretching micro-operation test bed - Google Patents
Single-driving bisynchronous-stretching micro-operation test bed Download PDFInfo
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- CN102998179B CN102998179B CN201210485256.7A CN201210485256A CN102998179B CN 102998179 B CN102998179 B CN 102998179B CN 201210485256 A CN201210485256 A CN 201210485256A CN 102998179 B CN102998179 B CN 102998179B
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- transverse slider
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Abstract
The invention discloses a single-driving bisynchronous-stretching micro-operation test bed, and a test piece can be stretched in two mutually vertical directions by a slide block through a driving input. The single-driving bisynchronous-stretching micro-operation test bed comprises a driving device, a cross-shaped stander, a longitudinal slide block and a longitudinal guide rail, a transverse slide block and a transverse guide rail, a reverse synchronous-driving guide screw set, a transverse fixture support frame, a longitudinal fixture and a diamond four-bar mechanism. According to the single-driving bisynchronous-stretching micro-operation test bed, a link mechanism is adopted to realize synchronous stretching on the test piece in two directions, and an electromechanical control system and a complex transmission mechanism for guaranteeing bidirectional synchronization in the traditional device are omitted; and the stander is stable and firm, the structure is simple, the cost is low, and the stretching test can be carried out on tiny objects.
Description
Technical field
The present invention relates to a kind of drawing mechanism for the test of small items material mechanical performance and device thereof, specifically a kind of single driving input realizes mechanism and the device thereof of bi-directional synchronization stretching.
Background technology
Carbon nano-tube, owing to having the advantages such as physical strength is high, elastic modulus is high, heat conductivility is strong, is subject to the extensive concern of researchist, engineering has high application prospect.In order to study its material mechanical performance characteristic, as elastic modulus, yield strength etc., need to carry out mechanics of materials tension test to test specimen.But carbon nano-tube has anisotropy, traditional one directional tensile test is not enough to the characteristic of material mechanics fully studying this material.Therefore, the test platform being designed for the stretching of test specimen bi-directional synchronization is necessary.
At present, biaxial tensile test platform has two kinds of implementations: dual-driving-mode and single type of drive.
Employing dual-driving-mode realizes, namely in horizontal and vertical both direction, independently drive unit is installed, (as, Chinese invention patent " mechanical biaxial tension tester that control with changed scale loads ", application number: 201010240086.7), because tension test requires very high to synchronism, thus Dual Drive testing table needs to install accurate displacement transducer and complicated synchronous control system, cause whole platform building complicated, cost is higher.
Single biaxial tensile test platform of input that drives is adopted usually to use gear, rope as the kind of drive, (as, Chinese invention patent " a kind of bidirectional tensile tester testing sheet metal performance ", application number: 201210194623.8), complex structure, and rope easily produces distortion, limit its application in small test specimen Mechanics Performance Testing.
Summary of the invention
For the defect that prior art exists, the present invention proposes a kind of single driving two-way synchro-draw microoperation testing table, use rhombus four-bar mechanism the displacement of longitudinal sliding block to be delivered on transverse slider, thus simplify drive mechanism and drive unit, be suitable for the biaxial tensile test of small test specimen.
The present invention is achieved through the following technical solutions:
A kind of single driving two-way synchro-draw microoperation testing table, comprises drive unit, cross frame, longitudinal rail, longitudinal sliding block I, longitudinal sliding block II, cross slide way, transverse slider I, transverse slider II and rhombus four-bar mechanism.
Described cross frame is fixedly mounted on worktable, and described cross frame is provided with cross slide way and longitudinal rail.
Described drive unit comprises servomotor, speed reduction unit and shaft coupling.Described motor is fixedly connected with described cross frame.
Described longitudinal rail and described longitudinal sliding block are slidably connected.Reverse sync turn-screw group is installed in described longitudinal rail, comprises leading screw I and leading screw II.Described leading screw I is connected with described drive unit, and described longitudinal sliding block I can be driven on described longitudinal rail to do translation motion.Leading screw II is connected by the gear pair of identical number of teeth gear with leading screw I, and rotation direction is contrary with leading screw I, and described longitudinal sliding block II can be driven on longitudinal rail to do translation motion.
Described longitudinal sliding block I and described longitudinal sliding block II fixedly mounts respectively longitudinal fixture I and longitudinal fixture II.
Described cross slide way is arranged on described longitudinal rail both sides, and vertical with described longitudinal rail.Described cross slide way and described transverse slider I, described transverse slider II are slidably connected.
Described transverse slider I and described transverse slider II fixedly mounts respectively horizontal fixture I and horizontal fixture II.
Described horizontal fixture is arranged on horizontal fixture bracket, and described horizontal fixture bracket is a bent frame type structure, and its one end is fixedly mounted on described transverse slider, the other end is installed described horizontal fixture.Described horizontal fixture bracket I and described horizontal fixture bracket II is symmetrical about Clamping Center.
Described rhombus four-bar mechanism is that the long connecting rods such as four groups are interconnected by four hinges and form.A pair hinge being in diagonal position is separately fixed on described longitudinal sliding block I and described longitudinal sliding block II, and another being in diagonal position is separately fixed on described transverse slider I and described transverse slider II hinge.
The method step that use the present invention carries out test specimen biaxial tensile test is as follows:
First this device is fixed on worktable, and the transverse ends of test specimen to be measured is fixed by described horizontal fixture I and horizontal fixture II, longitudinal two ends of test specimen to be measured are fixed by described longitudinal fixture I and longitudinal fixture II.Then, control leading screw I described in driven by servomotor to rotate.Under the drive of described reverse sync turn-screw group, described longitudinal fixture I and described longitudinal fixture II is simultaneously outwards mobile in the other direction, carries out longitudinal stretching to test specimen.By the gearing of described rhombus four-bar mechanism, described horizontal fixture I and described horizontal fixture II is also simultaneously outwards mobile in the other direction, carries out synchronously cross directional stretch to test specimen.
Compared with prior art, the invention has the beneficial effects as follows:
1, use one to drive input to achieve and stretch to the bi-directional synchronization of test specimen, eliminate second group of drive unit, and supporting sensing element and control system, can effectively reduce costs.
2, more existing single driving two-way synchronous stretching device, the present invention adopts link in rhomb form transmission to replace gear, rope drive, and part is few, simple and reliable for structure, and precision is high.
3, the present invention is suitable for the biaxial tensile test of small test specimen, and simple to operate, ease for use is strong.
Accompanying drawing explanation
Fig. 1 is the structural representation of single driving two-way synchro-draw microoperation testing table of the present invention.
In figure: 1-drive unit; 2-cross frame; 3-horizontal fixture I; 4-longitudinal fixture II; 5-leading screw II; 6-leading screw I; 7-longitudinal rail; 8-horizontal fixture bracket I; 9-cross slide way; 10-horizontal fixture II; 11-rhombus four-bar mechanism; 12-transverse slider I; 13-longitudinal fixture I; 14-longitudinal sliding block I; 15-horizontal fixture bracket II; 16-transverse slider II; 17-longitudinal sliding block II
Embodiment
As shown in Figure 1: single driving two-way synchro-draw microoperation testing table of the present invention, comprises drive unit 1, cross frame 2, longitudinal rail 7, longitudinal sliding block I14, longitudinal sliding block II17, cross slide way 9, transverse slider I12, transverse slider II16, reverse sync turn-screw group, horizontal fixture bracket I8, horizontal fixture bracket II15, horizontal fixture I3, horizontal fixture II10, longitudinal fixture I13, longitudinal fixture II4 and rhombus four-bar mechanism 11.Described reverse sync turn-screw group comprises leading screw I6, leading screw II5.
Described cross frame 2 is provided with the through hole of mounting guide rail.Described longitudinal rail 7 is fastened in described cross frame 2 by bolt, and described cross slide way 9 is fixedly mounted on the both sides of longitudinal rail 7, is bolted and is fixed in cross frame 2.Form " ten " font.Should ensure during installation that longitudinal rail 9 is mutually vertical with cross slide way 7.Described cross frame 2 is provided with through hole, and available bolt is fixed on the table.
Described drive unit 2 comprises servomotor, speed reduction unit and shaft coupling.Described motor is fixedly connected with described cross frame.
Described reverse sync turn-screw group is arranged in described longitudinal rail 7, is made up of leading screw I6 and leading screw II5.Described leading screw I6 and leading screw II5 one end, by gears meshing, rotate with identical velocity reversal all the time.Described leading screw I6 is connected by the turning axle of shaft coupling with described drive unit 2.Described longitudinal sliding block I14 and described longitudinal sliding block II17 is arranged on longitudinal rail 7.Longitudinal sliding block I14 is connected with leading screw I6 by nut, and when leading screw I6 rotates, longitudinal sliding block I14 does translation motion along guide rail; Longitudinal sliding block II17 is connected with leading screw II5 by nut, and when leading screw II5 rotates, longitudinal sliding block II17 does translation motion along guide rail.Described longitudinal fixture I13 is bolted and is arranged on longitudinal sliding block I14; Described longitudinal fixture II4 is bolted and is arranged on longitudinal sliding block II17.Longitudinal fixture II4 and longitudinal fixture I13 is mounted opposite.
Described transverse slider I12 and described transverse slider II16 is arranged on cross slide way 9, and lays respectively at the both sides of longitudinal rail 7, can do translation motion along guide rail.As shown in Figure 1, described horizontal fixture bracket I8 is a bent frame type structure, longitudinal width of the bent frame of horizontal fixture bracket I8 should be greater than 1/2 of longitudinal sliding block I14 and longitudinal sliding block II17 ultimate range, and the transverse width of the bent frame of horizontal fixture bracket I8 should be greater than the ultimate range of transverse slider I12 and longitudinal rail 7 center line.The size of described horizontal fixture bracket II15 is identical with horizontal fixture bracket I8.One end of horizontal fixture bracket I8 is bolted on transverse slider I12, and the other end is fixedly connected with described horizontal fixture I3; One end of horizontal fixture bracket II15 is bolted on transverse slider II16, and the other end is fixedly connected with described horizontal fixture II10.Horizontal fixture bracket I8 and horizontal fixture bracket II15 installs about Clamping Center symmetry.Horizontal fixture I3 and horizontal fixture II10 is mounted opposite.
Described rhombus four-bar mechanism 11 to be interconnected by four hinges by the long connecting rods such as four groups and to form.A pair hinge being in diagonal position is separately fixed on described longitudinal sliding block I14 and described longitudinal sliding block II17, and another being in diagonal position is separately fixed on described transverse slider I12 and described transverse slider II16 hinge.
When carrying out the biaxial tensile test of test specimen, first that specimen holder is fixing on described horizontal fixture I3, described horizontal fixture II10, described longitudinal fixture I13 and described longitudinal fixture II4.Then starter motor drives described leading screw I6 to rotate, by leading screw II5 reverse rotation described in gear driven, thus drive described longitudinal sliding block I14 and described longitudinal sliding block II17 along guide rail with the outwards movement of identical speed, make longitudinal fixture I13 and longitudinal fixture II4 outwards movement, and make the longitudinally cornerwise length increase of described rhombus four-bar mechanism 11, laterally cornerwise length reduction.Like this, described transverse slider I12 will move inward with identical speed with described transverse slider II16 simultaneously.Because horizontal fixture I3 to be arranged on the offside of transverse slider I12 by horizontal fixture bracket I8, horizontal fixture II10 is arranged on the offside of transverse slider II16 by horizontal fixture bracket II15, and horizontal fixture I3 and horizontal fixture II10 is also by outwards movement.Like this, just achieve, in vertical and horizontal both direction, synchro-draw is carried out to test specimen.
As mentioned above, just the present invention can be realized preferably.It should be pointed out that such scheme is the present invention's preferably one of implementation, under the premise without departing from the principles of the invention make changes and modifications and be the claims in the present invention and contain.
Claims (5)
1. a single driving two-way synchro-draw microoperation testing table, comprise drive unit, cross frame, longitudinal rail, longitudinal sliding block, cross slide way and transverse slider, it is characterized in that: described longitudinal sliding block comprises longitudinal sliding block I and longitudinal sliding block II, described transverse slider comprises transverse slider I and transverse slider II; Described drive unit is fixedly connected with described cross frame, and described cross frame is arranged on worktable, and described cross slide way and longitudinal rail are arranged in described cross frame; Described longitudinal rail and described longitudinal sliding block are slidably connected, and be provided with the gearing making described longitudinal sliding block do translation motion on described longitudinal rail in described longitudinal rail, described gearing is connected with described drive unit; Described cross slide way is arranged on described longitudinal rail both sides, and vertical with described longitudinal rail, and described cross slide way and described transverse slider are slidably connected; Also comprise a rhombus four-bar mechanism, described rhombus four-bar mechanism is that the long connecting rods such as four groups are interconnected by four hinges and form, a pair hinge being in diagonal position is separately fixed on described longitudinal sliding block I and described longitudinal sliding block II, and another being in diagonal position is separately fixed on described transverse slider I and described transverse slider II to hinge; Described transverse slider I and described transverse slider II fixedly mounts respectively horizontal fixture I and horizontal fixture II, described horizontal fixture II and horizontal fixture I is mounted opposite, described horizontal fixture is arranged on horizontal fixture bracket, described horizontal fixture bracket is a bent frame type structure, its one end is fixedly mounted on described transverse slider, and the other end installs described horizontal fixture; Comprise the horizontal fixture bracket I about Clamping Center symmetry and horizontal fixture bracket II.
2. single driving two-way synchro-draw microoperation testing table according to claim 1, it is characterized in that: described drive unit comprises servomotor, speed reduction unit and shaft coupling, described motor is fixedly connected with described cross frame.
3. single driving two-way synchro-draw microoperation testing table according to claim 1, it is characterized in that: the gearing making described longitudinal sliding block do translation motion on described longitudinal rail installed in described longitudinal rail is reverse sync turn-screw group, comprises leading screw I and leading screw II; Described leading screw I is connected with described drive unit, and described longitudinal sliding block I can be driven on described longitudinal rail to do translation motion; Described leading screw II is connected by the gear pair of identical number of teeth gear with leading screw I, and rotation direction is contrary with leading screw I, and described longitudinal sliding block II can be driven on longitudinal rail to do translation motion.
4. single driving two-way synchro-draw microoperation testing table according to claim 1, it is characterized in that: described longitudinal sliding block I and described longitudinal sliding block II fixedly mounts respectively longitudinal fixture I and longitudinal fixture II, described longitudinal fixture II and longitudinal fixture I is mounted opposite.
5. single driving two-way synchro-draw microoperation testing table according to claim 1, it is characterized in that: longitudinal width of the bent frame of described horizontal fixture bracket I should be greater than 1/2 of longitudinal sliding block I and longitudinal sliding block II ultimate range, the transverse width of the bent frame of horizontal fixture bracket I should be greater than the ultimate range of transverse slider I and longitudinal rail center line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210485256.7A CN102998179B (en) | 2012-11-26 | 2012-11-26 | Single-driving bisynchronous-stretching micro-operation test bed |
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| CN201210485256.7A CN102998179B (en) | 2012-11-26 | 2012-11-26 | Single-driving bisynchronous-stretching micro-operation test bed |
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| CN102998179A CN102998179A (en) | 2013-03-27 |
| CN102998179B true CN102998179B (en) | 2015-07-08 |
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| CN104913972B (en) * | 2014-12-17 | 2017-09-22 | 天津城建大学 | Multistation clamping device is used in a kind of gas pipeline laser-impact experiment |
| CN106847003B (en) * | 2015-03-13 | 2019-03-12 | 贵州云享创客科技有限公司 | A kind of application method of X-type teaching tension test platform |
| CN104849142A (en) * | 2015-05-18 | 2015-08-19 | 北京航空航天大学 | Multidirectional loading universal metal plate property tester |
| CN107727280B (en) * | 2017-08-28 | 2020-01-21 | 江苏大学 | Single-drive biaxial tension test device and manufacturing method of flexible stress sensor |
| CN108176948A (en) * | 2017-12-26 | 2018-06-19 | 深圳市诺峰光电设备有限公司 | A kind of new form power source drives four side bearing calibrations |
| CN108151779A (en) * | 2017-12-26 | 2018-06-12 | 深圳市诺峰光电设备有限公司 | A kind of Full-automatic linear formula fingerprint module testing method |
| CN108414366B (en) * | 2018-02-01 | 2019-12-27 | 大连理工大学 | Self-balancing biaxial tension test device driven by single motor |
| CN108225794B (en) * | 2018-03-27 | 2024-04-02 | 南京博士朗新能源科技有限公司 | High-low temperature endurance experiment equipment for automobile knob shifter |
| CN109813598B (en) * | 2018-12-28 | 2021-06-22 | 大连理工大学 | Cam type biaxial tension experimental device |
| CN109596081B (en) * | 2019-02-03 | 2023-12-26 | 新疆宝力富源减隔震器材有限公司 | Rubber support capable of detecting displacement and displacement monitoring system thereof |
| CN110220800A (en) * | 2019-06-18 | 2019-09-10 | 四川大学 | A kind of fatigue experimental device of longitudinal direction and transverse coupling reinforcing |
| CN110350738B (en) * | 2019-08-19 | 2024-03-08 | 抚顺煤矿电机制造有限责任公司 | Motor housing fixture |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629885A (en) * | 2009-07-07 | 2010-01-20 | 清华大学 | Double probe micro nanometer mechanics detecting system |
| CN101655432A (en) * | 2009-07-27 | 2010-02-24 | 清华大学 | uniaxial tension and soil beam bending tester |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101081553B1 (en) * | 2009-12-16 | 2011-11-08 | 한국항공우주연구원 | Tension and compression coupon tester using four-bar linkage |
-
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629885A (en) * | 2009-07-07 | 2010-01-20 | 清华大学 | Double probe micro nanometer mechanics detecting system |
| CN101655432A (en) * | 2009-07-27 | 2010-02-24 | 清华大学 | uniaxial tension and soil beam bending tester |
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