CN102332318A - First collimator adjusting device of neutron texture diffractometer - Google Patents
First collimator adjusting device of neutron texture diffractometer Download PDFInfo
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- CN102332318A CN102332318A CN201110200106A CN201110200106A CN102332318A CN 102332318 A CN102332318 A CN 102332318A CN 201110200106 A CN201110200106 A CN 201110200106A CN 201110200106 A CN201110200106 A CN 201110200106A CN 102332318 A CN102332318 A CN 102332318A
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Abstract
The invention discloses a first collimator adjusting device of a neutron texture diffractometer, relates to the technical field of neutron scattering, and solves the problems that when a plurality of first collimators are adjusted in position in the prior art, the plurality of first collimators are moved integrally, the occupied space is too large, and the cost of an external shielding body is increased greatly. The scheme provided by the embodiment of the invention is as follows: the utility model provides a first collimator adjusting device of neutron texture diffractometer, neutron texture diffractometer includes a plurality of first collimators, including the translation guide rail, be equipped with on the translation guide rail and be used for installing a plurality of first collimators and make the equal independent translational motion's of every first collimator translation unit. The embodiment of the invention is suitable for neutron texture diffractometers and the like.
Description
Technical field
The present invention relates to the neutron scattering technical field, relate in particular to a kind of first collimating apparatus adjusting gear of neutron texture diffractometer.
Background technology
First collimating apparatus of neutron texture diffractometer is used for accurately limiting the angular divergence of incident neutron line, makes spectrometer meet the requirements of resolution, and reduces sample-out count.First collimating apparatus is the very important parts of neutron texture diffractometer.Neutron texture diffractometer mostly is furnished with first collimating apparatus of a plurality of different divergence, and a plurality of first collimating apparatuss are placed on the collimating apparatus adjusting gear.
At present; The first collimating apparatus adjusting gear of neutron texture diffractometer mainly contains two kinds: the first, as shown in Figure 1, select to have a plurality of first collimating apparatuss of different divergence through the vertical moving adjusting gear, and a plurality of first collimating apparatuss are whole when selecting different collimating apparatuss moves; 1 is neutron beam among Fig. 1; 2 is a plurality of first collimating apparatuss, and the direction of diagram arrow is the moving direction of collimating apparatus, and the direction on the diagram triangle dotted line is the direction of neutron beam.If 3 or above first collimating apparatus are arranged, then whole adjusting gear is very high.Because first collimating apparatus and adjusting gear and monochromator together are placed in the monochromator shield; If outside monochromator shield adopts this adjusting gear; Need to increase the height of monochromator shield accordingly; Can certain requirement be arranged to the crane height of reactor hall on the one hand, on the other hand, can significantly increase the shielding cost; The second, as shown in Figure 2; Select the first different collimating apparatus of a plurality of divergence through moving horizontally; Similar with Fig. 1, a plurality of first collimating apparatuss also are whole simultaneously moving when selecting different collimating apparatus, make that the width of collimating apparatus adjusting gear is very big; So not only requiring has enough spaces around the collimating apparatus, and has increased the cost of monochromator shield.
State in realization in the process of a plurality of first collimator position of adjustment, the inventor finds to exist at least in the prior art following problem:
When a plurality of first collimating apparatuss were carried out the position adjustment, a plurality of first collimating apparatuss are whole to be moved, and the volume that takes up room is excessive, can significantly increase the cost of exterior shield body.
Summary of the invention
To existing deficiency in the prior art, the object of the present invention is to provide a kind of first collimating apparatus adjusting gear of neutron texture diffractometer, can reduce to take up room, reduce the cost of exterior shield body.
The present invention solves the problems of the technologies described above the technical scheme that is adopted and describes as follows:
A kind of first collimating apparatus adjusting gear of neutron texture diffractometer; Said neutron texture diffractometer comprises a plurality of first collimating apparatuss; Comprise the translation guide rail, but said translation guide rail is provided with the translation unit that is used to that first collimating apparatus is installed and makes the equal independent translation motion of each first collimating apparatus.
Further; Said translation unit comprises back up pad; Said back up pad is provided with shift plate, and first collimating apparatus is installed on the said shift plate, and said shift plate is connected with said back up pad through fixed block towards an end of neutron beam direction; The said shift plate other end of neutron beam direction dorsad is connected with said back up pad through eccentric wheel, and said eccentric wheel is used to make said shift plate along said fixed block swing.
Further, the hunting range of said shift plate be ± 30 '.
Further, also comprise gear, said gear and gear track mesh and by direct motor drive, said gear is connected with said translation unit and drives said translation unit does translation motion.
Further, the divergence of said a plurality of first collimating apparatuss be respectively 10 ', 30 ' and Open.
Effect of the present invention is: the present invention is after having taked technique scheme, and each first collimating apparatus all can just can reduce to take up room along the independently translation motion of translation guide rail, reduces the cost of exterior shield body.In addition, collimating apparatus pivot angle central point designs in the collimating apparatus porch, has improved in the design in the past the pivot angle center in the way at collimating apparatus center, also will constantly adjust the way that horizontal level aligns neutron beam after having overcome the adjustment pivot angle.
Description of drawings
Fig. 1 is the structural representation of the first collimating apparatus vertical moving adjusting gear in the prior art;
Fig. 2 moves horizontally the structural representation of adjusting gear for first collimating apparatus in the prior art;
Fig. 3 is the structural representation of first collimating apparatus;
Fig. 4 is the structural representation of the first collimating apparatus adjusting gear of embodiment of the invention neutron texture diffractometer;
Fig. 5 is the translation synoptic diagram of the first collimating apparatus adjusting gear of embodiment of the invention neutron texture diffractometer;
Fig. 6 is the pivot angle adjustment synoptic diagram of the first collimating apparatus adjusting gear of embodiment of the invention neutron texture diffractometer;
Fig. 7 is the one-piece construction synoptic diagram of the first collimating apparatus adjusting gear of embodiment of the invention neutron texture diffractometer;
Fig. 8 is the offset assembly structural representation of the first collimating apparatus adjusting gear of embodiment of the invention neutron texture diffractometer;
Embodiment
Present invention is described below in conjunction with accompanying drawing and specific embodiment.
The embodiment of the invention is the first collimating apparatus adjusting gear according to the neutron texture diffractometer of the advanced research reactor of China (CARR) design.Certainly, the technical scheme of the embodiment of the invention is equally applicable on other the neutron texture diffractometer.
Embodiment
The embodiment of the invention provides a kind of first collimating apparatus adjusting gear of neutron texture diffractometer.Said neutron texture diffractometer comprises a plurality of first collimating apparatuss, comprises the translation guide rail, but said translation guide rail is provided with the translation unit that is used to that first collimating apparatus is installed and makes the equal independent translation motion of each first collimating apparatus.
Shown in Figure 3 is the structural representation of first collimating apparatus; CARR pile neutron texture diffractometer be furnished with two divergence be respectively 10 ' with 30 ' first collimating apparatus; A collimating apparatus is only selected in each experiment; Therefore according to the spectrometer design proposal, the first collimation divergence that can supply experimental selection is 10 ', 30 ' and Open (Open is not for using collimating apparatus).
As shown in Figure 4; Adjusting gear comprise divergence be 10 ' with 30 ' first collimating apparatus 3 and translation guide rail 4; Each first collimating apparatus 3 can be done independent horizontal along translation guide rail 4 and move; Rather than whole moving, so both overcome the whole too high shortcoming of former vertical moving adjusting gear, and unlike collimating apparatus integral level mobile device that kind was wide in the past.
As shown in Figure 5, at every turn according to requirement of experiment, first collimating apparatus that will use moves to the guideway centreline position, and promptly over against the neutron beam position, the position of dotted line is the position of right-hand member collimating apparatus after moving among the figure.
As shown in Figure 6, the collimating apparatus that selection will be used and it is moved to translation guideway centreline position after, its pivot angle is adjusted.Collimating apparatus pivot angle central point design is in the collimating apparatus porch, improved in the design in the past the pivot angle center in the way at collimating apparatus center, also will constantly adjust the way that horizontal level aligns neutron beam after having overcome the adjustment pivot angle.
Structure such as Fig. 7 and shown in Figure 8 of the neutron texture diffractometer first collimating apparatus adjusting gear; Translation unit comprises back up pad 6; Back up pad 6 is provided with shift plate 5, and first collimating apparatus is installed on the shift plate 5, and shift plate 5 is connected with back up pad 6 through fixed block 10 towards an end of neutron beam direction; Shift plate 5 other end of neutron beam direction dorsad is connected with said back up pad through eccentric wheel 12, and excentric shaft 11 is used to make shift plate 6 along said fixed block 10 swings.Adjusting gear also comprises pulley guide rails 7, gear 8, gear track 9; Gear 8 and gear track 9 engagements; Be positioned at two step motor difference driven wheels 8 of back up pad 6 belows; Gear 8 drives each back up pad 6 and makes it pulley guide rails 7 comes and goes translations in the flat surface upper edge, thus switch collimators very stably.
In addition, as shown in Figure 8, then adopt eccentric type of drive on flat surface, adjusting the horizontal pivot angle of collimating apparatus continuously; Wherein, eccentric wheel 12 comprises rotation axis 11, and shift plate 5 adopts fixed block towards an end of neutron beam direction; Shift plate 5 other end of neutron beam direction dorsad adopts eccentric wheel; Through eccentric rotation, reach the purpose of regulating the collimating apparatus pivot angle, the pivot angle adjustable extent is ± 30 '.
The set-up procedure of the neutron texture diffractometer first collimating apparatus adjusting gear is following:
The first, at first divergence is 10 ' and 30 ' first collimating apparatus be separately fixed on two shift plate 5 on the adjusting gear translation guide rail 7; Through step motor the back up pad 6 of these two shift plate 5 belows is moved to translation guide rail 7 both sides; Make room, translation guide rail 7 center over against neutron beam; If select 10 ' or 30 ' collimating apparatus, then this collimating apparatus is moved to room, translation guide rail 7 center, the neutron beam center is overlapped with center, collimating apparatus porch; If do not use first collimating apparatus, then need not move collimating apparatus;
The second, after the collimating apparatus of selecting to use, the pivot angle of collimation device is finely tuned, and makes neutron beam and collimating apparatus keeping parallelism.The design of collimating apparatus pivot angle central point is at the center of collimating apparatus shift plate one end, and shift plate one end adopts fixed block, and the other end adopts stepper motor driven eccentric wheel, through eccentric rotation, reaches the purpose of regulating the collimating apparatus pivot angle.
In sum, the first collimating apparatus adjusting gear of a kind of neutron texture diffractometer of providing of the embodiment of the invention is widely used in neutron texture diffractometer etc.
It should be noted that; Above-mentioned specific embodiment only is exemplary; Under above-mentioned instruction of the present invention, those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description, and these improve or distortion drops in protection scope of the present invention.It will be understood by those skilled in the art that top specific descriptions just in order to explain the object of the invention, are not to be used to limit the present invention.Protection scope of the present invention is limited claim and equivalent thereof.
Claims (5)
1. the first collimating apparatus adjusting gear of a neutron texture diffractometer, said neutron texture diffractometer comprises a plurality of first collimating apparatuss, it is characterized in that,
Comprise the translation guide rail, but said translation guide rail is provided with the translation unit that is used to that first collimating apparatus is installed and makes the equal independent translation motion of each first collimating apparatus.
2. the first collimating apparatus adjusting gear of neutron texture diffractometer according to claim 1; It is characterized in that; Said translation unit comprises back up pad; Said back up pad is provided with shift plate, and first collimating apparatus is installed on the said shift plate, and said shift plate is connected with said back up pad through fixed block towards an end of neutron beam direction; The said shift plate other end of neutron beam direction dorsad is connected with said back up pad through eccentric wheel, and said eccentric wheel is used to make said shift plate along said fixed block swing.
3. the first collimating apparatus adjusting gear of neutron texture diffractometer according to claim 2 is characterized in that, the hunting range of said shift plate is ± 30 '.
4. the first collimating apparatus adjusting gear of neutron texture diffractometer according to claim 2; It is characterized in that; Also comprise gear, said gear and gear track mesh and by direct motor drive, said gear is connected with said translation unit and drives said translation unit does translation motion.
5. the first collimating apparatus adjusting gear of neutron texture diffractometer according to claim 1 is characterized in that, the divergence of said a plurality of first collimating apparatuss is respectively 10 ', 30 ' and Open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110200106.2A CN102332318B (en) | 2011-07-18 | 2011-07-18 | First collimator adjusting device of neutron texture diffractometer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110200106.2A CN102332318B (en) | 2011-07-18 | 2011-07-18 | First collimator adjusting device of neutron texture diffractometer |
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| CN102332318A true CN102332318A (en) | 2012-01-25 |
| CN102332318B CN102332318B (en) | 2014-04-02 |
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| CN201110200106.2A Active CN102332318B (en) | 2011-07-18 | 2011-07-18 | First collimator adjusting device of neutron texture diffractometer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107358988A (en) * | 2017-07-14 | 2017-11-17 | 东莞中子科学中心 | A kind of neutron insert system and its alignment method |
| CN108806818A (en) * | 2018-04-17 | 2018-11-13 | 东莞理工学院 | A kind of four knife diaphragms of adjustable neutron flow |
| WO2019017233A1 (en) * | 2017-07-19 | 2019-01-24 | 国立大学法人茨城大学 | Neutron optical element and neutron source |
| CN109671513A (en) * | 2018-12-27 | 2019-04-23 | 中国原子能科学研究院 | The continuously adjustable neutron howitzer structure of the angle of divergence and its scaling method |
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2011
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107358988A (en) * | 2017-07-14 | 2017-11-17 | 东莞中子科学中心 | A kind of neutron insert system and its alignment method |
| CN107358988B (en) * | 2017-07-14 | 2019-06-07 | 东莞中子科学中心 | A kind of neutron insertion piece system and its alignment method |
| WO2019017233A1 (en) * | 2017-07-19 | 2019-01-24 | 国立大学法人茨城大学 | Neutron optical element and neutron source |
| JPWO2019017233A1 (en) * | 2017-07-19 | 2020-05-28 | 国立大学法人茨城大学 | Neutron optical element and neutron source |
| CN108806818A (en) * | 2018-04-17 | 2018-11-13 | 东莞理工学院 | A kind of four knife diaphragms of adjustable neutron flow |
| CN109671513A (en) * | 2018-12-27 | 2019-04-23 | 中国原子能科学研究院 | The continuously adjustable neutron howitzer structure of the angle of divergence and its scaling method |
| CN109671513B (en) * | 2018-12-27 | 2020-06-23 | 中国原子能科学研究院 | Neutron collimator structure with continuously adjustable divergence angle and calibration method thereof |
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| Publication number | Publication date |
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| CN102332318B (en) | 2014-04-02 |
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