CN201266175Y - Three-dimensional displacement micro observation device - Google Patents

Three-dimensional displacement micro observation device Download PDF

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Publication number
CN201266175Y
CN201266175Y CNU2008200997693U CN200820099769U CN201266175Y CN 201266175 Y CN201266175 Y CN 201266175Y CN U2008200997693 U CNU2008200997693 U CN U2008200997693U CN 200820099769 U CN200820099769 U CN 200820099769U CN 201266175 Y CN201266175 Y CN 201266175Y
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CN
China
Prior art keywords
dovetail groove
horizontal
vertical
microscope stand
stereomicroscope
Prior art date
Application number
CNU2008200997693U
Other languages
Chinese (zh)
Inventor
曹树刚
刘延保
张立强
李勇
王维忠
王军
Original Assignee
重庆大学
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Application filed by 重庆大学 filed Critical 重庆大学
Priority to CNU2008200997693U priority Critical patent/CN201266175Y/en
Application granted granted Critical
Publication of CN201266175Y publication Critical patent/CN201266175Y/en

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Abstract

The utility model discloses a three-dimensional movable micro-observation device. A horizontal dovetail-groove dragging plate is arranged on a horizontal dovetail-groove pedestal and is provided with a vertical dovetail-groove pedestal; one side of the vertical dovetail-groove pedestal is provided with a vertical dovetail-groove dragging plate; a supporting pedestal is fixed on the external lateral surface of the vertical dovetail-groove dragging plate and is provided with a supporting shaft which is sleeved with a first-order microscope support, and the first-order microscope support is tightened by a coarse-focusing knob axially penetrating through the first-order microscope support; a second-order microscope support is arranged on the first-order microscope support and is provided with a stereomicroscope, and the stereomicroscope and the supporting shaft are arranged in the same direction; the front end of the stereomicroscope is provided with a circular lamp, and the rear end is provided with a CCD camera. The utility model improves the test precision, is favorable for finding new test phenomenon, shorts the test time, has simple structure, low cost, stable work, flexible operation, and the like, and can be widely used for observing, recording and analyzing the stressed deformation of a test piece in the whole micro-observation test process.

Description

Three-dimensional mobile microscopic observation device
Technical field
The utility model relates to the mobile microscopic observation device of a kind of three-dimensional, so that the crackle that sample is produced in fracture process carries out Real-time and Dynamic microexamination, measurement and shooting.
Background technology
The material test specimen is subjected to loading, and the generation of crackle in the destructive process, development, perforation and final destruction are the basis and the hot subject of material science research.At present, utilizing Powerful Light Microscope is a kind of not only directly perceived, reliable but also economic research mode to the observation of crack growth in the various material damage processes.But it can only observe a certain subregion in the microscopic fields of view scope usually, if will observe wider test specimen surface, then needs mobile test specimen or microscope.By observing wider test specimen surface, can obtain a large amount of micro-image data, thereby provide reliable test basis for follow-up analysis and research.At this research method, part scientific research institutions have developed some relevant testing equipments.For example, Chinese patent ZL00255818.1 discloses a kind of digital real-time multi-faceted observational record analytical equipment of crack propagation overall process October 3 calendar year 2001, it can realize the multi-angle observation of many camera lenses, obtain observation effect to same observation station different angles, but this device can not mobile observation camera lens and test specimen, and observation scope is restricted.In addition, Chinese patent ZL200520094280.3 discloses a kind of dynamic load condition lower surface observation device on January 10th, 2007, though it can realize three-dimensional plane observation of moving, but mobile heaviness at the surface level both direction, focusing of microscope under the specific enlargement factor will be realized by the every other device that moves except that horizontal support, be difficult to reach accurate focusing of microscope, can not position observation to the crackle that produces by mobile quantitatively microscope, and do not possess levelling function, influence observation effect.Above defective has seriously hindered the rupture failure process and the failure mechanism that discloses material of research material under thin sight and micro-scale.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of three-dimensional mobile microscopic observation device, and the generation, development, perforation and final destruction that can be used for material test specimen crackle under loading are carried out the mobile real-time microscopic observation of three-dimensional.
The technical solution of the utility model is as follows: the mobile microscopic observation device of a kind of three-dimensional, the horizontal dovetail groove planker is installed on the horizontal dovetail groove base, connect by horizontal lead screw is secondary between the two, vertical dovetail groove base is housed on the horizontal dovetail groove planker, one side of this vertical dovetail groove base is installed vertical dovetail groove planker, connect by down-feed screw is secondary between the two, its key is: at the lateral surface hold-down support of described vertical dovetail groove planker, on this bearing back shaft is installed, it is horizontally disposed that described back shaft is fore-and-aft direction, and suit one-level microscope stand on the back shaft, this one-level microscope stand is held out against by the coarse adjustment knob that the footpath upwards wears, the secondary microscope stand is installed on the one-level microscope stand, secondary microscope stand one-level microscope stand relatively moves forward and backward, fixing body stereomicroscope on described secondary microscope stand, and this stereomicroscope and back shaft are arranged in the same way, annular lamp is equipped with in the front portion of stereomicroscope, in the rear end of stereomicroscope ccd video camera is installed.
Adopt above technical scheme, drive horizontal dovetail groove planker move left and right in the horizontal direction, can realize the horizontal move left and right of stereomicroscope in surface level by rotating horizontal lead screw; Drive vertical dovetail groove planker by the rotation down-feed screw and move down in vertical direction, can realize stereomicroscope vertically moving up and down in vertical plane; Adjust the position of one-level microscope stand on back shaft by the coarse adjustment knob, can realize that the vertical front and back large scale of stereomicroscope in surface level moves; The one-level microscope stand can change stereomicroscope in the position that makes progress in week around back shaft 360 degree rotations, enlarges range of observation, has realized the multi-angle observation; Secondary microscope stand one-level microscope stand is relatively done the front and back minute movement, can realize that the vertical front and back small scale of stereomicroscope in surface level moves.Stereomicroscope realizes that optics amplifies; Ccd video camera is installed in the eyepiece place of stereomicroscope, and supports with the secondary microscope stand, realizes image acquisition, takes pictures, shooting and electronics enlarging function, and realization data processing and Flame Image Process simultaneously link to each other with computing machine.
The utility model can carry out quantitative real-time monitored and photographic images to a flat field, and energy complete documentation sample crackle is at the spread scenarios of different phase and last collapse state; Shoot function can the playback entire test, more helps furtheing investigate the crackle forming process of sample; Function with micromechanism of measuring crack length and sample.The utility model is simple and reliable for structure, and processing cost is low, working stability, and flexible operation can be widely used in observation, record and analysis that material is carefully seen test specimen stress deformation overall process in the test.
In order to prevent that the secondary microscope stand is with respect to one-level microscope stand generation double swerve, and the reliability of assurance secondary microscope stand front and back minute movement, the bottom of above-mentioned secondary microscope stand has the swallow-tail form sliver, this sliver embeds in the dovetail groove of one-level microscope stand top correspondence, in the one-level microscope stand, gear is installed, this gear is meshed with the tooth bar that the sliver bottom surface is provided with, the two sides of one-level microscope stand are stretched out at the two ends of described gear installation shaft, and vernier adjustment knob is installed respectively.
Top in above-mentioned horizontal dovetail groove base front surface is fixed with horizontal ruler, and the horizontal dovetail groove planker is provided with and the corresponding pointer of this horizontal ruler.Pointer cooperates with horizontal ruler, can determine the distance that moves horizontally of horizontal dovetail groove planker, realizes that horizontal direction quantitatively moves.
Middle part in above-mentioned vertical dovetail groove base front surface is fixed with Vertical surveyors' staff, and vertical dovetail groove planker is provided with and the corresponding pointer of this Vertical surveyors' staff.Pointer cooperates with Vertical surveyors' staff, can determine the vertical moving distance of vertical dovetail groove planker, realizes quantitatively moving of vertical direction.
Foot screw all is equipped with at place, four angles in above-mentioned horizontal dovetail groove base bottom, by regulating foot screw and utilizing air-bubble level on the platform on above-mentioned bearing top, can adjust the levelness of horizontal dovetail groove base, to guarantee that microscope is vertical with sample.
The beneficial effects of the utility model are:
The utility model is observational record in real time, has guaranteed that the observation of crack propagation overall process is uninterrupted, and the development of mobile visual field track up crack tip that can be quantitative; Stereomicroscope links to each other with computing machine by the CCD camera system, by Survey Software the micromechanism of observed crack length and sample is carried out data processing on computers, and analyzes its evolution; Microscope has coarse adjustment to be regulated with the fine setting two-stage, and the original-pack knob of fine setting employing stereomicroscope, and flexible operation, accurate is visited before the camera lens, can in-plantly observe, and realizes high multiple imaging.The utility model carries levelling gear, has guaranteed that microscope is vertical with sample, has improved observation effect; Moving up and down of the move left and right of the utility model horizontal direction and vertical direction adopts screw pair to add the mode of dovetail groove, and process of the test is stable; Horizontal dovetail groove base and vertical dovetail groove base band scale can mobile quantitatively microscopes, avoid blindly observation.
The utility model has improved test accuracy, has shortened test period, has simple in structure, characteristics such as processing cost is low, working stability, flexible operation, can be widely used in observation, record and analysis that material is carefully seen test specimen stress deformation overall process in the test.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the right view of stereomicroscope among Fig. 1.
Fig. 3 is a front view of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As Fig. 1, shown in Figure 3, at the place, four angles of horizontal dovetail groove base 1 bottom foot screw 15 is housed all, so that adjust the levelness of horizontal dovetail groove base 1.Horizontal lead screw 3 is installed on top in horizontal dovetail groove base 1, and it is horizontally disposed that this horizontal lead screw 3 is left and right directions, and the rotating disk of band handle is housed in the outer end of horizontal lead screw 3.Horizontal dovetail groove planker 2 is installed in the top of horizontal dovetail groove base 1, and the nut sleeve that install horizontal dovetail groove planker 2 bottoms is contained on the horizontal lead screw 3, and both threaded engagement are rotated horizontal lead screw 3 and can be driven horizontal dovetail groove planker 2 move left and right in the horizontal direction.Be fixed with the horizontal ruler 16 of cross direction profiles on the top in horizontal dovetail groove base 1 front, horizontal dovetail groove planker 2 is provided with and this horizontal ruler 16 corresponding pointers, pointer cooperates with horizontal ruler 16, can determine the distance that moves horizontally of horizontal dovetail groove planker 2, realize that horizontal direction quantitatively moves.
As Fig. 1, shown in Figure 3, the vertical dovetail groove base 4 of screw retention is passed through at top at horizontal dovetail groove planker 2, down-feed screw 6 is installed at the middle part of this vertical dovetail groove base 4, and this down-feed screw 6 is upper and lower to vertical layout, and the rotating disk of band handle is housed in the upper end of down-feed screw 6.Vertical dovetail groove planker 5 is positioned at the right side of vertical dovetail groove base 4, and the nut sleeve on this vertical dovetail groove planker 5 is contained on the down-feed screw 6, both threaded engagement, and rotation down-feed screw 6 can drive vertical dovetail groove planker 5 and move down in vertical direction.Middle part in vertical dovetail groove base 4 fronts is fixed with the Vertical surveyors' staff 17 that is vertical layout, vertical dovetail groove planker 5 is provided with and this Vertical surveyors' staff 17 corresponding pointers, pointer cooperates with Vertical surveyors' staff 17, can determine the vertical moving distance of vertical dovetail groove planker 5, realize quantitatively moving of vertical direction.
As Fig. 1, Fig. 2 and shown in Figure 3, by screw retention bearing 19, on the platform on these bearing 19 tops air-bubble level 18 is installed on the right side of vertical dovetail groove planker 5, by observing the levelness that air-bubble level 18 can determined level dovetail groove base 1.Back shaft 7 is installed on described bearing 19, and it is horizontally disposed that this back shaft 7 is fore-and-aft direction, and suit one-level microscope stand 8 on the back shaft 7, and this one-level microscope stand 8 is held out against by the coarse adjustment knob 9 that the footpath upwards wears.Secondary microscope stand 10 is installed on one-level microscope stand 8, the bottom of secondary microscope stand 10 has the swallow-tail form sliver, this sliver embeds in the dovetail groove of one-level microscope stand 8 top correspondences, gear is installed in one-level microscope stand 8, this gear is meshed with the tooth bar that the sliver bottom surface is provided with, the two sides of one-level microscope stand 8 are stretched out at the two ends of described gear installation shaft, and vernier adjustment knob 11 is installed respectively.Fixing body stereomicroscope 12 on described secondary microscope stand 10, this stereomicroscope 12 arrange in the same way that with back shaft 7 stereomicroscope 12 realizes that optics amplifies.Annular lamp 13 is housed in the front portion of stereomicroscope 12, ccd video camera 14 is installed at the eyepiece place of stereomicroscope 12 rear ends, ccd video camera 14 is supported by secondary microscope stand 10, realize image acquisition, take pictures, shooting and electronics enlarging function, and link to each other with computing machine realization data processing and Flame Image Process.
Stereomicroscope 12 has a plurality of degree of freedom in the utility model on three dimensions, drives horizontal dovetail groove planker 2 move left and right in the horizontal direction by rotating horizontal lead screw 3 that is:, can realize the horizontal move left and right of stereomicroscope 12 in surface level; Move down in vertical direction by rotating the vertical dovetail groove planker 5 of down-feed screw 6 drivings, can realize stereomicroscope 12 vertically moving up and down in vertical plane; Adjust the position of one-level microscope stand 8 on back shaft 7 by coarse adjustment knob 9, can realize that the vertical front and back large scale of stereomicroscope 12 in surface level moves; One-level microscope stand 8 can carry out 360 degree rotations around back shaft 7, can change stereomicroscope 12 in the position that makes progress in week, realizes the multi-angle observation; Drive secondary microscope stand 10 relative one-level microscope stands 8 by vernier adjustment knob 11 and do the front and back minute movement, can realize that the vertical front and back small scale of stereomicroscope 12 in surface level moves.Before the test, adjust computer aided system and microscopic observation system, enter image observation and shooting state.Mobile the utility model is adjusted stereomicroscope 12, and object lens are aimed in the test of required observation in the middle of the specimen surface, to reach best observation effect.Early stage on-test, use the observation on a large scale of little multiple, when finding crackle, mobile and horizontal and vertical dovetail groove planker, crack tip is positioned in the middle of the visual field, adjusts object distance by coarse adjustment and vernier adjustment knob again, increase enlargement factor, enter the thin sight observation stage, take the development of crackle simultaneously and catch picture.On computers the microstructure of observed crack length and sample is carried out data processing.Can scrutinize entire test by the playback video shooting after the off-test.

Claims (6)

1, the mobile microscopic observation device of a kind of three-dimensional, go up installation horizontal dovetail groove planker (2) at horizontal dovetail groove base (1), connect by horizontal lead screw is secondary between the two, vertical dovetail groove base (4) is housed on horizontal dovetail groove planker (2), one side of this vertical dovetail groove base (4) is installed vertical dovetail groove planker (5), connect by down-feed screw is secondary between the two, it is characterized in that: at the lateral surface hold-down support (19) of described vertical dovetail groove planker (5), this bearing (19) is gone up back shaft (7) is installed, it is horizontally disposed that described back shaft (7) is fore-and-aft direction, and back shaft (7) is gone up suit one-level microscope stand (8), this one-level microscope stand (8) is held out against by the coarse adjustment knob (9) that the footpath upwards wears, go up installation secondary microscope stand (10) at one-level microscope stand (8), secondary microscope stand (10) one-level microscope stand (8) relatively moves forward and backward, go up fixing body stereomicroscope (12) at described secondary microscope stand (10), this stereomicroscope (12) is arranged in the same way with back shaft (7), annular lamp (13) is equipped with in the front portion of stereomicroscope (12), in the rear end of stereomicroscope (12) ccd video camera (14) is installed.
2, the mobile microscopic observation device of three-dimensional according to claim 1, it is characterized in that: the bottom of described secondary microscope stand (10) has the swallow-tail form sliver, this sliver embeds in the dovetail groove of one-level microscope stand (8) top correspondence, gear is installed in one-level microscope stand (8), this gear is meshed with the tooth bar that the sliver bottom surface is provided with, the two sides of one-level microscope stand (8) are stretched out at the two ends of described gear installation shaft, and vernier adjustment knob (11) is installed respectively.
3, the mobile microscopic observation device of three-dimensional according to claim 1, it is characterized in that: the top positive at described horizontal dovetail groove base (1) is fixed with horizontal ruler (16), and horizontal dovetail groove planker (2) is provided with and the corresponding pointer of this horizontal ruler (16).
4, the mobile microscopic observation device of three-dimensional according to claim 1, it is characterized in that: the middle part positive at described vertical dovetail groove base (4) is fixed with Vertical surveyors' staff (17), and vertical dovetail groove planker (5) is provided with and the corresponding pointer of this Vertical surveyors' staff (17).
5, according to claim 1 or 2 or the 3 or 4 mobile microscopic observation devices of described three-dimensional, it is characterized in that: foot screw (15) all is equipped with at the place, four angles in described horizontal dovetail groove base (1) bottom.
6, the mobile microscopic observation device of three-dimensional according to claim 1 and 2 is characterized in that: air-bubble level (18) is installed on the platform on described bearing (19) top.
CNU2008200997693U 2008-08-22 2008-08-22 Three-dimensional displacement micro observation device CN201266175Y (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102506742A (en) * 2011-11-22 2012-06-20 中国二十二冶集团有限公司 Strain measuring method for large-scale prestressed wire winding machine frame
CN102818497A (en) * 2011-05-24 2012-12-12 国网电力科学研究院 Wave plate displacement-feed measuring device applied to vacuum laser alignment monitoring system
TWI414792B (en) * 2010-01-20 2013-11-11 Hon Tech Inc A sensing device for electronic components
CN103454150A (en) * 2013-09-16 2013-12-18 安徽理工大学 Multifunctional full-view three-dimensional adjustable microscopic visual device
CN104536073A (en) * 2014-12-17 2015-04-22 中国科学院长春光学精密机械与物理研究所 Grating ruling tool initiative adjusting device having abbe error correcting function
CN105043986A (en) * 2015-08-05 2015-11-11 上海交通大学 Microscope installation support for observing mesoscopic tissue online in situ
CN105784468A (en) * 2014-12-19 2016-07-20 中国航空工业集团公司北京航空材料研究院 Clamp for testing I type interlayer fracture toughness of composite material
CN106017309A (en) * 2016-06-28 2016-10-12 梧州奥卡光学仪器有限公司 Measuring microscope
CN108627394A (en) * 2018-04-25 2018-10-09 深圳市德瑞茵精密科技有限公司 Microscope and its Polydirectional adjusting device and have the microscopical push-pull effort machine
CN109269893A (en) * 2018-11-20 2019-01-25 西南交通大学 A kind of material stress corrosion test macro and its test method based on image recognition
CN110031292A (en) * 2019-04-10 2019-07-19 上海交通大学 The online instant measuring system and method for cylindrical structure fatigue growth of surface cracks

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI414792B (en) * 2010-01-20 2013-11-11 Hon Tech Inc A sensing device for electronic components
CN102818497B (en) * 2011-05-24 2015-04-22 国网电力科学研究院 Wave plate displacement-feed measuring device applied to vacuum laser alignment monitoring system
CN102818497A (en) * 2011-05-24 2012-12-12 国网电力科学研究院 Wave plate displacement-feed measuring device applied to vacuum laser alignment monitoring system
CN102506742A (en) * 2011-11-22 2012-06-20 中国二十二冶集团有限公司 Strain measuring method for large-scale prestressed wire winding machine frame
CN103454150A (en) * 2013-09-16 2013-12-18 安徽理工大学 Multifunctional full-view three-dimensional adjustable microscopic visual device
CN103454150B (en) * 2013-09-16 2016-05-18 安徽理工大学 The three-dimensional adjustable multipurpose in a kind of full visual angle is carefully seen visual device
CN104536073A (en) * 2014-12-17 2015-04-22 中国科学院长春光学精密机械与物理研究所 Grating ruling tool initiative adjusting device having abbe error correcting function
CN104536073B (en) * 2014-12-17 2017-06-23 中国科学院长春光学精密机械与物理研究所 A kind of grating icking tool active accommodation device with Abbe error calibration function
CN105784468A (en) * 2014-12-19 2016-07-20 中国航空工业集团公司北京航空材料研究院 Clamp for testing I type interlayer fracture toughness of composite material
CN105784468B (en) * 2014-12-19 2018-08-28 中国航空工业集团公司北京航空材料研究院 A kind of I mode Ⅱ fracture toughness test fixture of composite material
CN105043986A (en) * 2015-08-05 2015-11-11 上海交通大学 Microscope installation support for observing mesoscopic tissue online in situ
CN106017309A (en) * 2016-06-28 2016-10-12 梧州奥卡光学仪器有限公司 Measuring microscope
CN108627394A (en) * 2018-04-25 2018-10-09 深圳市德瑞茵精密科技有限公司 Microscope and its Polydirectional adjusting device and have the microscopical push-pull effort machine
CN109269893A (en) * 2018-11-20 2019-01-25 西南交通大学 A kind of material stress corrosion test macro and its test method based on image recognition
CN110031292A (en) * 2019-04-10 2019-07-19 上海交通大学 The online instant measuring system and method for cylindrical structure fatigue growth of surface cracks

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