CN101806687B - Clamp for instrumented indentation testing - Google Patents
Clamp for instrumented indentation testing Download PDFInfo
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- CN101806687B CN101806687B CN2010101464607A CN201010146460A CN101806687B CN 101806687 B CN101806687 B CN 101806687B CN 2010101464607 A CN2010101464607 A CN 2010101464607A CN 201010146460 A CN201010146460 A CN 201010146460A CN 101806687 B CN101806687 B CN 101806687B
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Abstract
The invention discloses a clamp for instrumented indentation testing, which comprises a base, a bolt locking mechanism and a sample table. The sample table is arranged on the base; a guide groove and a chute which are used for the bolt locking mechanism to pass through are arranged on the sample table and the base; the bolt locking mechandfism is used for locking or unlocking the sample table with the base; and under the joint guide action of the bolt locking mechanism, the guide groove and the chute, the sample table can move transversely and longitudinally relative to the base. The clamp is compact in structure and can greatly reduce the cost of the system, the integral structural design ensures the stability of the displacement measurement, and the modular structure can eliminate the softness of a large part of a overall frame.
Description
Technical field
The present invention relates to a kind of anchor clamps of instrumented indentation testing.
Background technology
Existing instrumentation is pressed in the middle of the technology, all adopts common planar locating platform device to place sample.Inevitably there is the gap in conventional plane positioning platform in vertical direction, causes the flexibility on this direction bigger.Simultaneously, when big load test, the existence in gap, and the gap add, variation, particularly unstability in the uninstall process, can cause the sudden change on the displacement measurement, cause add, unloading curve is rough, influences the compression distance measuring stability.
Summary of the invention
Problem at prior art exists the invention provides a kind of compact conformation, can guarantee the anchor clamps of the instrumented indentation testing that displacement measurement is stable.
For achieving the above object, the anchor clamps of instrumented indentation testing of the present invention comprise base, bolt latch mechanism and sample stage, sample stage is arranged on the base, be respectively arranged with the gathering sill and the chute that pass for described bolt latch mechanism on sample stage and the base, described bolt latch mechanism is used for locking between sample stage and the base or unclamps; Under the common guide effect of bolt latch mechanism, gathering sill and chute, sample stage can be done horizontal stroke, vertically move with respect to base.
Further, be provided with mobile supporting mechanism between described sample stage and the base, this mobile supporting mechanism is arranged on the base, sample stage is arranged on the mobile supporting mechanism, under the effect of first driving mechanism that connects mobile supporting mechanism and base, mobile supporting mechanism can laterally move along base, and then the sample stage that drives on it laterally moves; Under the effect of second driving mechanism that connects sample stage and mobile supporting mechanism, sample stage can vertically move along mobile supporting mechanism.
Further, described mobile supporting mechanism comprises intermediate plate, supporting plate and pull plate, described supporting plate and pull plate bottom are respectively arranged with two grooves, supporting plate and pull plate are erected on two guide rails of horizontally set on the described base by the groove of its bottom respectively, block to join bottom the described intermediate plate and be fixed on supporting plate and the pull plate, described intermediate plate top is provided with the groove of placing described sample stage, described intermediate plate is provided with through hole along the guide rail direction, described first driving mechanism comprises the first pulling axle and the first pulling nut, one end of the first pulling axle is fixed on the through hole of described intermediate plate, the first pulling axle other end passes base and cooperates with the first pulling nut thread, the rotation first pulling nut, the first pulling axle laterally moves along base, drive intermediate plate and laterally move, and then the sample stage that drives on the intermediate plate laterally moves together.
Further, the recess axis that is used for fixing described intermediate plate of described supporting plate and pull plate symmetrically arranged two grooves in bottom and crown center setting is perpendicular to whole symmetrical plane.
Further, the through hole that passes for the described first pulling axle on the described base is a step through-hole, assembles the described first pulling nut by the bearing wringing fit.
Further, described pull plate and sample stage vertically are provided with through hole along described guide rail, described second driving mechanism comprises the second pulling axle and the second pulling nut, the second pulling axle, one end is fixed on the through hole on the described sample stage, the through hole that the second pulling axle other end passes on the pull plate cooperates with the second pulling nut thread, the rotation second pulling nut, the second pulling axle vertically moves along base, and then the drive sample stage vertically moves.
Further, the through hole on the described pull plate is a step through-hole, assembles the described second pulling nut by the bearing wringing fit.
Further, described bolt latch mechanism comprises screw bolt and nut, and gathering sill and chute that bolt runs through up and down on described sample stage and the base cooperate with nut thread, before indentation test, unclamp bolt, make sample stage can be with respect to the base horizontal stroke, vertically move, adjust the position of sample stage; Sample stage tights a bolt after moving to suitable position, and sample stage and base locking are become interim integral structure, can begin test.
Further, also be provided with a backing plate between described intermediate plate and the sample stage, the groove card that this backing plate is provided with by its bottom is joined and is arranged on the intermediate plate, the backing plate top is perpendicular to the protruding two pairs of arms of bottom groove direction, four arm end face and end face all are provided with boss, boss is provided with through hole, this lead to the hole site cooperates with chute and gathering sill on described base and the sample stage, size cooperates with bolt in the described bolt latch mechanism, described sample stage is arranged on the boss of backing plate end face, backing plate bottom surface boss is arranged on the guide rail of described base, and described bolt runs through the gathering sill on the described sample stage up and down, chute on through hole on the described boss and the described base.
Further, described backing plate is an aluminium sheet.
Further, the integrally formed or split setting of described intermediate plate, supporting plate and pull plate.
Further, also be provided with the otic placode that photoconduction axle and fine setting axle are installed on the described sample stage, divide two-layer four otic placodes that are provided with on the described sample stage, every layer is provided with two, and bilevel otic placode aligns up and down, two-layer up and down otic placode is provided with for a photoconduction axle or a fine setting through hole that passes, described photoconduction axle and fine setting axle run through up and down, and two-layer otic placode is fixed on the sample stage, also be provided with the probe plate on the described sample stage, the through hole of both sides cooperates on optical axis portion on photoconduction axle and the fine setting axle and threaded portion and the probe plate, described probe plate is assemblied between the two-layer otic placode, the through hole internal fixation at probe plate middle part has probe, and described photoconduction axle and fine setting axle guarantee, during the rotary fine adjustment axle, described probe plate is when vertical direction moves freely, and the revolving shaft of probe disposed thereon keeps plumbness.
Further, described probe is the probe of eddy current displacement sensor, capacity plate antenna displacement transducer or optical fibre displacement sensor.
The advantage of the anchor clamps of instrumented indentation testing of the present invention:
1. integrated structure design is guaranteed the stable of displacement measurement
Inevitably there is the gap in conventional plane positioning platform in vertical direction, causes the flexibility on this direction bigger.Simultaneously, when big load test, the existence in gap, and the gap add, variation, particularly unstability in the uninstall process, can cause the sudden change on the displacement measurement, influence the compression distance measuring stability.In adding in the unloading process of press in of indentation test, the accurate rigid structure that the sample bearing system of these anchor clamps is integrated, the influence with the gap on loading direction reduces as much as possible, to guarantee the stable of displacement measurement.
2. modular construction is rejected most of whole frame flexibility
These anchor clamps are in frame, choose place near test specimen, insert external displacement transducer (probe and Target Board), directly measure the moving-member of external sensor and the relative displacement of fixed part, reject most of frame flexibility effectively, thereby reduced the frame flexibility that comprised in the displacement measurement data as much as possible.
Compact conformation, can reduce system cost significantly
These anchor clamps adopt the directly displacement measurement pattern of measurement relative displacement, with non-contact displacement transducer with anchor clamps are integrated carries out integrated design, thereby make the test system architecture compactness.Selected non-contact displacement transducer, as eddy current displacement sensor, capacity plate antenna displacement transducer, optical fibre displacement sensor etc., cost is low, and the cost of pilot system is reduced significantly, is a kind of economical anchor clamps.
Description of drawings
Fig. 1 is the vertical view of anchor clamps of the present invention;
Fig. 2 is the front view of anchor clamps of the present invention;
Fig. 3 is the rear view of anchor clamps of the present invention;
Fig. 4 is an A-A cut-open view among Fig. 1;
Fig. 5 is a D-D cut-open view among Fig. 1;
Fig. 6 is the assembling plan view of pull plate, supporting plate, intermediate plate and backing plate in the anchor clamps of the present invention;
Fig. 7 is the E-E of a bolt place cut-open view among Fig. 1;
Fig. 8 is the B-B of a bolt place cut-open view among Fig. 1;
Fig. 9 is the right view of base in the anchor clamps of the present invention;
Figure 10 is the vertical view of base in the anchor clamps of the present invention;
Figure 11 is the front view of pull plate in the anchor clamps of the present invention;
Figure 12 is the upward view of pull plate in the anchor clamps of the present invention;
Figure 13 is the front view of supporting plate in the anchor clamps of the present invention;
Figure 14 is the upward view of supporting plate in the anchor clamps of the present invention;
The front view of intermediate plate in Figure 15 anchor clamps of the present invention;
Figure 16 is the upward view of intermediate plate in the anchor clamps of the present invention;
Figure 17 is the vertical view of backing plate in the anchor clamps of the present invention;
Figure 18 is the front view of backing plate in the anchor clamps of the present invention;
Figure 19 is the front view of sample stage in the anchor clamps of the present invention;
Figure 20 is the vertical view of sample stage in the anchor clamps of the present invention;
Figure 21 is the assembling plan view of sample stage in the anchor clamps of the present invention and base;
Figure 22 is the C-C cut-open view at otic placode place among Fig. 1;
Figure 23 is that anchor clamps of the present invention are placed on the structural representation on the indentation test machine frame.
Embodiment
Shown in Fig. 1-6, the anchor clamps of instrumented indentation testing of the present invention, comprise sample stage 1 and base 2, sample stage 1 is erected on the base 2 by mobile supporting mechanism, mobile supporting mechanism comprises pull plate 3, intermediate plate 4 and supporting plate 6, pull plate 3, intermediate plate 4 and supporting plate 6 can integrally formed or split settings, pull plate 3 and supporting plate 6 are erected on the base 2, intermediate plate 4 is arranged on pull plate 3 and the supporting plate 6, backing plate 5 fixes on intermediate plate 4, sample stage 1 is placed on the backing plate 5, and sample stage 1 can laterally move together along with mobile supporting mechanism, also can vertically move with respect to mobile supporting mechanism.Shown in Fig. 9-18, base 2 is provided with two guide rails 22,23, pull plate 3 and supporting plate 6 bottoms are respectively arranged with and guide rail 22,23 grooves that are slidingly matched 31,33,61,63, by groove 31,33,61,63 pull plate 3 and supporting plate 6 are crossed over guide rail 22,23 are erected on the base 2, pull plate 3 and supporting plate 6 tops also are respectively arranged with groove 32,62, intermediate plate 4 bottoms are provided with groove 45,46, groove 32 on groove 45 and the pull plate 3 matches, groove 62 on groove 46 and the supporting plate 6 matches, by groove 45,32,46,62 intermediate plates 4 fix on pull plate 3 and supporting plate 6, intermediate plate 4 tops are provided with the groove 44 of placing sample stage 1, also be provided with backing plate 5 between sample stage 1 and the intermediate plate 4, backing plate 5 bottoms are provided with groove 52, the width of the size of this groove 52 and intermediate plate 4 matches, backing plate 5 tops are perpendicular to the protruding two pairs of arms of groove 52 directions, being twin shaft with bottom groove 52 is symmetrically distributed, if sample stage 1 bottom surface contacts fully with backing plate 5 end faces, because the restriction of machining precision, sample stage 1 bottom surface and backing plate 5 end faces can not be the ideal planes, therefore sample stage 1 is placed on the backing plate 5, will certainly there be a large amount of gaps between the surface of contact, carry out in the process in big load, the variation in these gaps or distortion, unstability particularly, can cause the sudden change on the displacement measurement, have influence on the stability of displacement measurement, in order to overcome the above problems, anchor clamps of the present invention four arm end face and end face place on backing plate 5 are provided with boss, sample stage 1 bottom surface contacts with four boss 53 of end face, base 2 contacts with four boss of bottom surface, reduced contact area, reduced to a great extent between sample stage 1 and the backing plate 5, gap between backing plate 5 and the base 2, and backing plate 5 adopts the aluminum plate material, further guarantee, when the bolt latch mechanism has locking effect, sample stage 1, backing plate 5 and base 2 can fit tightly, thereby guarantee base 1, form integrated rigid structure between sample stage 2 and the mobile supporting mechanism 3, influence with the gap on loading direction reduces as much as possible, to guarantee the stable of displacement measurement.
As Fig. 4, shown in 5 and 19, sample stage 1 is under the drive of mobile supporting mechanism, can be along the guide rail 22 of base 2,23 laterally move, the driving of mobile supporting mechanism is finished under the effect of first driving mechanism, pulling axle 41 1 ends of first driving mechanism are fixed on through hole 47 places of intermediate plate 4 by set nut 43 and self structure, the other end passes the through hole 24 and pulling nut 42 threaded engagement on the base 2, the through hole 24 of base 2 is a step through-hole, wherein be placed with bearing 421, by bearing 421 wringing fits assembling pulling nut 42, rotation pulling nut 42, pulling axle 41 laterally moves relative to base 2, drive intermediate plate 4 along guide rail 22,23 directions move, and then drive sample stage 1 on it along with intermediate plate 4 moves together.The individual drive of sample stage 1 is finished under the effect of second driving mechanism, pulling axle 11 1 ends of second driving mechanism are fixed on through hole 17 places of sample stage 1 by set nut 13 and self structure, pulling axle 11 other ends pass the through hole 34 on the pull plate 3 and the through hole 17 of sample stage 1, through hole 34 on the pull plate 3 is a step through-hole, wherein be placed with bearing 121, by bearing 121 wringing fits assembling pulling nut 12, rotation pulling nut 12, pulling axle 11 relative bases 2 vertically move, and drive sample stage and move along guide rail 22,23 longitudinal directions.
As Fig. 1,7,8,9,10,17, shown in 19 and 20, sample stage 1 top is provided with the cylindrical small boss 18 of placing sample, be the twin shaft symmetrical distribution with the small boss revolving shaft and be provided with four gathering sills 19, base 2 upper edge guide rails 22,23 directions are provided with chute 21, after sample stage 1 is erected on the base 2, the gathering sill 19 of sample stage 1 and base 2 and chute 21 places are provided with the bolt latch mechanism, this bolt latch mechanism is made of four bolts 25 and two double nuts 26, four bolts 25 are separately positioned on four gathering sill 19 the insides of sample stage 1, pass the through hole 51 on the backing plate 5 respectively, two one group two chute 21 the insides that are arranged on respectively on the base 2, two bolts 25 of the same side chute 21 the insides cooperate on double nut 26 and the base 2, be used for sample stage 1, backing plate 5 and base 2 three big parts lockings form an interim integral structure.Carry out unclamping before the indentation test nut with sample stage 1 horizontal stroke, move longitudinally to correct position after, tight a bolt 25, carry out indentation test then.Can omit mobile supporting mechanism in the anchor clamps of the present invention, directly sample stage 1 is assemblied on the base 2, under the guide effect of gathering sill 19, chute 21 and bolt latch mechanism, promote sample stage, to adjust the position of sample stage 1.
Shown in Figure 21 and 22, also be provided with two-layer four otic placodes 14 up and down on the sample stage 1,15,16, upper strata otic placode upper surface is concordant with chute 21 part upper surfaces, lower floor's otic placode lower surface has with a certain distance from chute 21 part bottom surfaces, otic placode 14, on 15 respectively correspondence be provided with through hole 141 and 151, up and down on two otic placodes 16 respectively correspondence through hole 161 is set, by through hole 141,151 and 161, photoconduction axle 8 and fine setting axle system are installed on sample stage 1, photoconduction axle 8 is assemblied on the sample stage 1 by the threaded hole 141 on unthreaded hole on the otic placode 15 151 and the otic placode 14, and its revolving shaft is vertical with sample stage 1 bottom surface.The fine setting axle system is made up of 91,92 and inner nuts 93 of fine setting 9, two bearing of axle, after bearing 92 inner ring and inner nut 93 wringing fits, through hole wringing fit on outer ring and the lower ear plate 16, through hole wringing fit on another bearing 91 outer rings and the upper ear plate 16, fine setting axle 9 is by the little double-screw bolt and inner nut 93 threaded engagement, upper shaft neck portion and loose removable cooperation of bearing 91 inner rings of its lower end, form the fine setting axle system, be arranged on the sample stage 1, the revolving shaft of fine setting axle 9 is vertical with sample stage 1 bottom surface.Simultaneously, photoconduction axle 8 is set on the sample stage 1 and probe plate 7 is set with the place of finely tuning axle 9.The outline center is provided with a threaded hole on the probe plate 7, in order to the probe 71 that assembles external displacement transducer.Probe plate length direction two ends are symmetrically arranged with two lugs, with the screwed hole of centre symmetry threaded hole and a unthreaded hole are set respectively on the lug, cooperate with photoconduction axle 8 and fine setting axle 9 respectively, to guarantee rotating the fine setting axle at 9 o'clock, probe plate 7 and assembling probe 71 thereon can only move freely in vertical direction.Probe 71 is the probe of non-contact displacement transducer, and non-contact displacement transducer comprises eddy current displacement sensor, capacity plate antenna displacement transducer, optical fibre displacement sensor etc.
As shown in figure 23, anchor clamps of the present invention are placed on the frame platform 524 of indentation test machine, the pressure head 523 of indentation test machine is suspended on the crossbeam 525 of indentation test machine frame, be connected with the external sensor moving-member---fixing pressure head 523 on the support of Target Board 522, the position of Target Board 522 can be adjusted, guaranteeing probe 71 centerings of Target Board 522 and external sensor, and the axis of the probe 71 of sensor and Target Board 522 planes are perpendicular.Directly measure the relative displacement of fixed part probe 71 with the moving-member Target Board 522 of external sensor, can reject most of frame flexibility in the indentation test machine effectively, thereby reduce the frame flexibility that comprised in the displacement measurement data as much as possible.
The function of these anchor clamps has: the clamping and the locomotive function of sample positioning function, external independent displacement sensor.
First's function realizes planar translation of sample, simultaneously, realizes the anchor clamps easy conversion of sample bearing part between plane positioning platform and integrated accurate rigid platfor.When mobile example, unclamp clamping screw, anchor clamps are in the plane positioning platform status, and sample is moved to testing position, and clamping screw makes anchor clamps become interim integral structure again.
Second portion is chosen the very near part frame of separating test sample in whole frame, insert external displacement transducer, guarantees that simultaneously external sensor can adjust to best operational position at the trial.
In these anchor clamps, displacement measurement is the displacement of the moving-member of external sensor with respect to fixed part.Wherein, local frame flexibility is the stand stretch between external sensor moving-member (as: Target Board of eddy current displacement sensor) bite and fixed part (as: probe of the eddy current displacement sensor) bite.The design of the modular construction of this compact has reduced the content of displacement measurement mid frame flexibility significantly, the algorithm by data processing again, the influence that can reject the frame flexibility effectively.Pressure head is in the process of approaching the sample testing surface, and load is zero in theory, and this part stroke (promptly approaching stroke) in data processing, by determining to be pressed into zero point, also can be good at rejecting.
So, at first on the jig Design structure, the major part of whole frame flexibility is rejected from displacement measurement, rejected remaining local frame flexibility and approach stroke by data processing again, finally obtain compression distance.
It is to be noted and any distortion of making according to the specific embodiment of the present invention all do not break away from the scope that spirit of the present invention and claim are put down in writing.
Claims (7)
1. the anchor clamps of an instrumented indentation testing, it is characterized in that, comprise base, bolt latch mechanism and sample stage, sample stage is arranged on the base, sample stage is provided with the gathering sill that passes for described bolt latch mechanism, base is provided with the chute that passes for described bolt latch mechanism, be provided with mobile supporting mechanism between described sample stage and the base, this mobile supporting mechanism is arranged on the base, sample stage is arranged on the mobile supporting mechanism, under the effect of first driving mechanism that connects mobile supporting mechanism and base, mobile supporting mechanism can laterally move along base, and then the sample stage that drives on it laterally moves; Under the effect of second driving mechanism that connects sample stage and mobile supporting mechanism, sample stage can vertically move along mobile supporting mechanism; Described mobile supporting mechanism comprises intermediate plate, supporting plate and pull plate, described supporting plate and pull plate bottom are respectively arranged with two grooves, supporting plate and pull plate are erected on two guide rails of horizontally set on the described base by the groove of its bottom respectively, block to join bottom the described intermediate plate and be fixed on supporting plate and the pull plate, described intermediate plate top is provided with the groove of placing described sample stage, described intermediate plate is provided with through hole along the guide rail direction, described first driving mechanism comprises the first pulling axle and the first pulling nut, one end of the first pulling axle is fixed on the through hole of described intermediate plate, the first pulling axle other end passes base and cooperates with the first pulling nut thread, the rotation first pulling nut, the first pulling axle laterally moves along base, drive intermediate plate and laterally move, and then the sample stage that drives on the intermediate plate laterally moves together; Described bolt latch mechanism is used for locking between sample stage and the base or unclamps, described bolt latch mechanism comprises screw bolt and nut, gathering sill and chute that bolt runs through up and down on described sample stage and the base cooperate with nut thread, before indentation test, unclamp bolt, make sample stage can be with respect to the base horizontal stroke, vertically move, adjust the position of sample stage; Sample stage tights a bolt after moving to suitable position, and sample stage and base locking are become interim integral structure, can begin test; Under the common guide effect of bolt latch mechanism, gathering sill and chute, sample stage can be done horizontal stroke, vertically move with respect to base.
2. the anchor clamps of instrumented indentation testing as claimed in claim 1, it is characterized in that, described pull plate and sample stage vertically are provided with through hole along described guide rail, described second driving mechanism comprises the second pulling axle and the second pulling nut, the second pulling axle, one end is fixed on the through hole on the described sample stage, the through hole that the second pulling axle other end passes on the pull plate cooperates with the second pulling nut thread, the rotation second pulling nut, the second pulling axle vertically moves along base, and then the drive sample stage vertically moves.
3. the anchor clamps of instrumented indentation testing as claimed in claim 2, it is characterized in that, also be provided with a backing plate between described intermediate plate and the sample stage, the groove card that this backing plate is provided with by its bottom is joined and is arranged on the intermediate plate, the backing plate top is perpendicular to the protruding two pairs of arms of bottom groove direction, four arm end face and end face all are provided with boss, boss is provided with through hole, this lead to the hole site cooperates with chute and gathering sill on described base and the sample stage, size cooperates with bolt in the described bolt latch mechanism, described sample stage is arranged on the boss of backing plate end face, backing plate bottom surface boss is arranged on the guide rail of described base, and described bolt runs through the gathering sill on the described sample stage up and down, chute on through hole on the described boss and the described base.
4. the anchor clamps of instrumented indentation testing as claimed in claim 3 is characterized in that, described backing plate is an aluminium sheet.
5. the anchor clamps of instrumented indentation testing as claimed in claim 1 is characterized in that, the integrally formed or split setting of described intermediate plate, supporting plate and pull plate.
6. the anchor clamps of instrumented indentation testing as claimed in claim 1, it is characterized in that, also be provided with the otic placode that photoconduction axle and fine setting axle are installed on the described sample stage, divide two-layer four otic placodes that are provided with on the described sample stage, bilevel otic placode aligns up and down, and every layer is provided with two, two-layer up and down otic placode is provided with for a photoconduction axle or a fine setting through hole that passes, described photoconduction axle and fine setting axle run through up and down, and two-layer otic placode is fixed on the sample stage, also be provided with the probe plate on the described sample stage, the through hole of both sides cooperates on optical axis portion on photoconduction axle and the fine setting axle and threaded portion and the probe plate, described probe plate is assemblied between the two-layer otic placode, the through hole internal fixation at probe plate middle part has probe, described photoconduction axle and fine setting axle guarantee, during the rotary fine adjustment axle, described probe plate is when vertical direction moves freely, and the revolving shaft of probe disposed thereon keeps plumbness.
7. the anchor clamps of instrumented indentation testing as claimed in claim 6 is characterized in that, described probe is the probe of eddy current displacement sensor, capacity plate antenna displacement transducer or optical fibre displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101464607A CN101806687B (en) | 2010-04-12 | 2010-04-12 | Clamp for instrumented indentation testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101464607A CN101806687B (en) | 2010-04-12 | 2010-04-12 | Clamp for instrumented indentation testing |
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| Publication Number | Publication Date |
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| CN101806687A CN101806687A (en) | 2010-08-18 |
| CN101806687B true CN101806687B (en) | 2011-10-05 |
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| CN2010101464607A Expired - Fee Related CN101806687B (en) | 2010-04-12 | 2010-04-12 | Clamp for instrumented indentation testing |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105050377B (en) * | 2015-08-26 | 2017-10-13 | 广州中国科学院先进技术研究所 | The clamping of slow-wave component shell and device for measuring force |
| CN108872952A (en) * | 2018-04-27 | 2018-11-23 | 中国地震局地质研究所 | A kind of reflective optical fiber displacement sensor situ calibration system and method |
| CN110132336A (en) * | 2019-04-24 | 2019-08-16 | 南京泰普森自动化设备有限公司 | Measuring piece mounting structure and measuring device |
| CN110260771A (en) * | 2019-06-24 | 2019-09-20 | 浙江工业大学 | The installs fixture of non-contact displacement transducer suitable for Portable press fit instrument |
| CN111044359A (en) * | 2020-01-16 | 2020-04-21 | 浙江工业大学 | Be used for getting rid of area material cross-section nanometer test fixture that impresses |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1710400A (en) * | 2005-06-10 | 2005-12-21 | 上海龙马神汽车座椅有限公司 | Multi-dimensional regulation device for automobile chair frame |
| CN1752736A (en) * | 2004-09-21 | 2006-03-29 | 中国科学院力学研究所 | The impression test function improving method and the modifying device thereof of Material Testing Machine |
| CN101261305A (en) * | 2008-04-14 | 2008-09-10 | 无锡市易控系统工程有限公司 | Full-automatic wafer test platform device |
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2010
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1752736A (en) * | 2004-09-21 | 2006-03-29 | 中国科学院力学研究所 | The impression test function improving method and the modifying device thereof of Material Testing Machine |
| CN1710400A (en) * | 2005-06-10 | 2005-12-21 | 上海龙马神汽车座椅有限公司 | Multi-dimensional regulation device for automobile chair frame |
| CN101261305A (en) * | 2008-04-14 | 2008-09-10 | 无锡市易控系统工程有限公司 | Full-automatic wafer test platform device |
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