CN107655919A - A kind of location structure for the more collimaters of X fluorescence spectrometer - Google Patents
A kind of location structure for the more collimaters of X fluorescence spectrometer Download PDFInfo
- Publication number
- CN107655919A CN107655919A CN201710812520.6A CN201710812520A CN107655919A CN 107655919 A CN107655919 A CN 107655919A CN 201710812520 A CN201710812520 A CN 201710812520A CN 107655919 A CN107655919 A CN 107655919A
- Authority
- CN
- China
- Prior art keywords
- location structure
- collimaters
- hole
- endpiece
- fastener
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/223—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/07—Investigating materials by wave or particle radiation secondary emission
- G01N2223/076—X-ray fluorescence
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/30—Accessories, mechanical or electrical features
- G01N2223/316—Accessories, mechanical or electrical features collimators
Abstract
The invention discloses a kind of location structure for the more collimaters of X fluorescence spectrometer, including：Fixed component with through hole, it is rotatably installed in that through hole is interior and cylinder concentric with fixed component and that be internally provided with multiple collimaters, stationary positioned part on fixed component flange and installed in barrel outer surface rotational positioning part corresponding with stationary positioned part；Stationary positioned part includes the stationary positioned bearing being arranged on fixed component flange, and the elastic construction on stationary positioned bearing and the location structure installed in elastic construction top；Rotational positioning part include be arranged on cylinder on positioning element through hole endpiece and be connected with endpiece and stretch out positioning element through hole and with the head construction of location structure precision-fit and the fastener being connected with the endpiece other end;The present invention can avoid requiring higher machining accuracy, can also meet the position precision requirement of more collimator structures.
Description
Technical field
The invention belongs to X fluorescence spectrometer field, more particularly to a kind of location structure of more collimaters therein.
Background technology
Atom in X ray or other photon source excitation test substances, is allowed to produce fluorescence（Secondary X-ray）.So as to enter
The instrument of row elemental analysis.Xray fluorescence spectrometer is also known as XRF spectrometers, there is two kinds of color dispersion-type and on-dispersive type.Dispersion
Type is divided into Wavelength dispersion type and energy dispersion type again.Wavelength dispersion type XRF spectrometers beam splitting system, are visited by X-ray tube excitaton source
Device system is surveyed, the part such as vacuum system and air flow system forms.It is different according to the focusing geometrical condition of analyzing crystal, it is divided into non-poly-
Jiao's reflection optical flat formula, semi-focusing reflection bent crystal formula, total focus reflection bent crystal formula, semi-focusing transmission bent crystal formula etc..Its principle is:Examination
After by x-ray bombardment, the atom inner-shell electron of element is excited sample, and produces shell electron transition and launch the element
Characteristic X-ray, pass through the wavelength of detector measurement elemental characteristic X ray（Energy）Intensity and concentration proportionate relationship,
Quantitative analysis is carried out, its advantage does not destroy sample, and analyze speed is fast, suitable for all chemistry members of measure atomic number more than 4
Element, analysis precision is high, and sample preparation is simple；And not yet appearance commercialization sequential Wavelength Dispersive-X-Ray fluorescence light domestic at present
Spectrometer, therefore relevant device is also in blank stage, it is therefore desirable to this equipment is further researched and developed, and in order to more
The material composition of effective measurement multiple types, then need to use multiple collimaters, and the structure of multiple collimaters is unavoidably right
Position precision requires very high, it is therefore desirable to a kind of to meet positional precision location structure simple in construction again.
The content of the invention
In view of this, it is necessary to overcome at least one in drawbacks described above of the prior art.The invention provides one kind to use
In the location structure of the more collimaters of X fluorescence spectrometer, including：Fixed component with through hole, it is rotatably installed in the through hole
And cylinder that is concentric with the fixed component and being internally provided with multiple collimaters, on the fixed component flange
Stationary positioned part and installed in barrel outer surface rotational positioning part corresponding with the stationary positioned part；It is described solid
Determine the stationary positioned bearing that positioning element includes being arranged on the fixed component flange, and installed in the stationary positioned bearing
On elastic construction and the location structure installed in the elastic construction top；The rotational positioning part includes being arranged on institute
State the endpiece of positioning element through hole on cylinder and be connected with the endpiece and stretch out the positioning element through hole and with it is described fixed
The head construction of bit architecture precision-fit and the fastener being connected with the endpiece other end.
According in this patent background technology to described in prior art, it is domestic commercialization sequential wavelength dispersion X not yet occur
Ray fluorescence spectrometer, therefore relevant device is also in blank stage, it is therefore desirable to this equipment is further researched and developed, and is
It is capable of the material composition of significantly more efficient measurement multiple types, then needs to use multiple collimaters, and the structure of multiple collimaters
It is unavoidably very high to position precise requirements, it is therefore desirable to a kind of to meet positional precision positioning knot simple in construction again
Structure, and current techniques then lack the convenient structure of positioning of such more collimator structures；And disclosed by the invention it is used for X fluorescence spectrum
The location structure of the more collimaters of instrument, using the stationary positioned part being fixed in fixed component and installed in the fixed component
Rotational positioning part on the cylinder of rotational installation is engaged, while can be with by the installation rotational positioning of fastener
Carry out position adjustments and lock, it is possible thereby to avoid requiring higher machining accuracy, while can also meet more collimator structures
Position precision requirement.
In addition, following additional technical feature is also had according to the location structure disclosed by the invention for more collimaters：
Further, there is the endpiece external screw thread to be engaged with the internal thread in the positioning element through hole.
Accurate adjustment can be carried out to position by the internal thread in the external screw thread and positioning element through hole of endpiece.
Further, the endpiece of the rotational positioning part has external screw thread and passes through the positioning element through hole, described
Fastener is to include two fasteners mutually locked.
Alternatively, the fastener is two, including the first fastener and the second fastener, first fastener and the
Two fasteners all coordinate with the external screw thread of the endpiece；
Alternatively, the external screw thread of the first fastener and the endpiece coordinates, and the end of the endpiece has an internal thread hole, and described the
Two fasteners coordinate with the internal thread hole.
Further, the elastic construction is flat shell fragment, and the flat shell fragment end is provided with the location structure.
Further, the location structure includes the axle for being arranged on the elastic construction end and installed on the shaft
Column type rotatable parts.
Preferably, post of the axle that the location structure includes being arranged on the elastic construction end with installation on the shaft
Type rotatable parts, the head construction are the columnar structures with the groove coordinated with the column type rotatable parts.
Abrasion is more reduced compared with other non-rotatable members using column type rotatable parts and reduce resistance, while can avoid non-
The phenomenon of the easy failure of rotatable parts.
Further, the both sides of the groove are the acclive inclined-plane of tool.
Preferably, the acclive bevel angle of tool is more than or equal to 30 degree and less than or equal to 80 degree.
Angular range herein can enable the stationary positioned part need not too great just can be with described turn
Dynamic positioning element disengages or screens.
Further, the stationary positioned part and the rotational positioning part are multiple and coordinated one by one, are uniformly distributed
In the fixed component and the cylinder.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from the following description of the accompanying drawings of embodiments
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the schematic perspective view with fixed component and the embodiment of cylinder according to the present invention；
Fig. 2 is the schematic perspective view according to the hiding fixed component of the present invention and the embodiment of cylinder；
Fig. 3 is stationary positioned block diagram according to an embodiment of the invention；
Fig. 4 is the stationary positioned block diagram that endpiece end has internal thread hole and fastener according to an embodiment of the invention；
Fig. 5 is the stationary positioned block diagram for having according to an embodiment of the invention two fasteners；
Fig. 6 is cylinder schematic diagram according to an embodiment of the invention；
In figure, 1 fixed component, 2 cylinders, 21 positioning element through holes, 3 stationary positioned parts, 31 stationary positioned bearings, 32 elasticity
Structure, 33 column type rotatable parts, 34 axles, 4 rotational positioning parts, 41 head constructions, 42 grooves, 43 endpieces, 44 fasteners, 441
One fastener, 442 second fasteners.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
In the description of the invention, it is to be understood that term " on ", " under ", " bottom ", " top ", "front", "rear",
The orientation or position relationship of the instruction such as " interior ", " outer ", " horizontal stroke ", " perpendicular ", " inner side ", " outside " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " connection ", " connects
It is logical ", " connected ", " connection ", " cooperation " should be interpreted broadly, for example, it may be fixedly connected, be integrally connected or
It is detachably connected；It can be the connection of two element internals；Can be joined directly together, the indirect phase of intermediary can also be passed through
Even；" cooperation " can be the cooperation in face and face or the cooperation in point and face or line and face, and the also cooperation including hole axle is right
For one of ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The present invention inventive concept it is as follows, using the stationary positioned part 3 being fixed in fixed component 1 and installed in institute
The rotational positioning part 4 stated on the cylinder 2 of the rotational installation of fixed component 1 is engaged, while passes through the installation of fastener 44
The rotational positioning can carry out position adjustments and lock, it is possible thereby to avoid requiring higher machining accuracy, while can also expire
The position precision requirement of the more collimator structures of foot.
Below with reference to accompanying drawings come describe the present invention steel bonding piece alignment device, wherein Fig. 1 be according to the present invention tool
There is the schematic perspective view of fixed component and the embodiment of cylinder；Fig. 2 is the reality of the hiding fixed component and cylinder according to the present invention
Apply the schematic perspective view of example；Fig. 3 is stationary positioned block diagram according to an embodiment of the invention；Fig. 4 is according to the present invention
Embodiment endpiece end there is the stationary positioned block diagram of internal thread hole and fastener；Fig. 5 is the reality according to the present invention
Apply stationary positioned block diagram of the example with two fasteners；Fig. 6 is cylinder schematic diagram according to an embodiment of the invention.
According to an embodiment of the invention, as shown in Figure 1, 2, the location structure disclosed by the invention for more collimaters, bag
The fixed component 1 with through hole is included, it is interior and concentric with the fixed component 1 and be internally provided with to be rotatably installed in the through hole
The cylinder 2 of multiple collimaters, stationary positioned part 3 on the flange of fixed component 1 and outside the cylinder 2
Surface rotational positioning part 4 corresponding with the stationary positioned part 3；The stationary positioned part 3 is included installed in described solid
Determine the stationary positioned bearing 31 on the flange of part 1, and elastic construction 32 and peace on the stationary positioned bearing 31
Location structure mounted in the top of elastic construction 32；The rotational positioning part 4 includes being arranged on location division on the cylinder 2
The endpiece 43 of part through hole 21 and be connected with the endpiece 43 and stretch out the positioning element through hole 21 and with the location structure
The head construction 41 of precision-fit and the fastener 44 being connected with the other end of endpiece 43.
In addition, following additional technical feature is also had according to the location structure disclosed by the invention for more collimaters：
According to some embodiments of the present invention, the endpiece 43 has external screw thread and the internal thread in the positioning element through hole 21
It is engaged.
Accurate adjustment can be carried out to position by the internal thread in the external screw thread and positioning element through hole 21 of endpiece 43.
According to some embodiments of the present invention, the endpiece 43 of the rotational positioning part 4 has external screw thread and described in
Positioning element through hole 21, the fastener 44 are to include two fasteners mutually locked 44.
Alternatively, the fastener 44 is two, including the first fastener 441 and the second fastener 442, and described first is tight
The fastener 442 of firmware 441 and second all coordinates with the external screw thread of the endpiece 43；
Alternatively, the external screw thread of the first fastener 441 and the endpiece 43 coordinates, and the end of the endpiece 43 has internal thread
Hole, second fastener 442 coordinate with the internal thread hole.
According to one embodiment of present invention, the elastic construction 32 is flat shell fragment, the flat shell fragment end installation
There is the location structure.
According to one embodiment of present invention, the location structure includes the axle 34 installed in the end of elastic construction 32
With the column type rotatable parts 33 on the axle 34.
Preferably, the location structure is included installed in the axle 34 of the end of elastic construction 32 and installed in the axle 34
On column type rotatable parts 33, the head construction 41 is the column type knot with the groove 42 coordinated with the column type rotatable parts 33
Structure.
Abrasion is more reduced compared with other non-rotatable members using column type rotatable parts 33 and reduce resistance, while can avoid
The phenomenon of the easy failure of non-rotatable member.
Further, the both sides of the groove 42 are the acclive inclined-plane of tool.
Preferably, the acclive bevel angle of tool is more than or equal to 30 degree and less than or equal to 80 degree.
Angular range herein can enable the stationary positioned part 3 need not too great just can be with described turn
Dynamic positioning element 4 disengages or screens.
According to some embodiments of the present invention, the stationary positioned part 3 and the rotational positioning part 4 are multiple and one
One coordinates, and is uniformly distributed in the fixed component 1 and the cylinder 2.
It is any to refer to that " one embodiment ", " embodiment ", " illustrative examples " etc. mean to combine embodiment description
Specific component, structure or feature are contained at least one embodiment of the present invention.This specification everywhere this is schematic
Statement is not necessarily referring to identical embodiment.Specific component, structure or s person's feature are described with reference to any embodiment moreover, working as
When, advocated, component, structure or feature with reference to as being realized other embodiments all fall within those skilled in the art
Within the scope of.
Although detailed retouch is carried out to the embodiment of the present invention with reference to multiple illustrative examples of the present invention
State, it must be understood that those skilled in the art can be designed that various other improvement and embodiment, these improve and implemented
Example will fall within spirit and scope.Specifically, in the scope of foregoing disclosure, accompanying drawing and claim
Within, rational variations and modifications can be made in terms of the arrangement that parts and/or sub-combination are laid out, without departing from
The spirit of the present invention.Except the variations and modifications in terms of parts and/or layout, its scope is by appended claims and its is equal
Thing limits.
Claims (10)
- A kind of 1. location structure for the more collimaters of X fluorescence spectrometer, it is characterised in that including：Fixed part with through hole Part, is rotatably installed in that the through hole is interior and cylinder concentric with the fixed component and that be internally provided with multiple collimaters, peace Stationary positioned part on the fixed component flange and installed in the barrel outer surface and the stationary positioned part Corresponding rotational positioning part；The stationary positioned part includes the stationary positioned branch being arranged on the fixed component flange Seat, and the elastic construction on the stationary positioned bearing and the location structure installed in the elastic construction top； The rotational positioning part includes being arranged on the endpiece of positioning element through hole on the cylinder and is connected and stretches out with the endpiece The positioning element through hole and be connected with the head construction of the location structure precision-fit and with the endpiece other end Fastener.
- 2. the location structure according to claim 1 for the more collimaters of X fluorescence spectrometer, it is characterised in that the tail There is section external screw thread to be engaged with the internal thread in the positioning element through hole.
- 3. the location structure according to claim 1 for the more collimaters of X fluorescence spectrometer, it is characterised in that described turn The endpiece of dynamic positioning element has external screw thread and passes through the positioning element through hole, and the fastener is to include two mutually lockings Fastener.
- 4. the location structure according to claim 3 for the more collimaters of X fluorescence spectrometer, it is characterised in that described tight Firmware is two, including the first fastener and the second fastener, first fastener and the second fastener all with the endpiece External screw thread coordinate；OrThe external screw thread of first fastener and the endpiece coordinates, and the end of the endpiece has internal thread hole, second fastening Part coordinates with the internal thread hole.
- 5. the location structure according to claim 1 for the more collimaters of X fluorescence spectrometer, it is characterised in that the bullet Property structure is flat shell fragment, and the flat shell fragment end is provided with the location structure.
- 6. according to the location structure for the more collimaters of X fluorescence spectrometer described in claim 1 or power 5, it is characterised in that Column type rotatable parts of the axle that the location structure includes being arranged on the elastic construction end with installation on the shaft.
- 7. the location structure according to claim 1 for the more collimaters of X fluorescence spectrometer, it is characterised in that described fixed Column type rotatable parts of the axle that bit architecture includes being arranged on the elastic construction end with installation on the shaft, the head knot Structure is the columnar structures with the groove coordinated with the column type rotatable parts.
- 8. the location structure according to claim 7 for the more collimaters of X fluorescence spectrometer, it is characterised in that the groove Both sides to have acclive inclined-plane.
- 9. the location structure according to claim 8 for the more collimaters of X fluorescence spectrometer, it is characterised in that the tool Acclive bevel angle is more than or equal to 30 degree and less than or equal to 80 degree.
- 10. the location structure according to claim 1 for the more collimaters of X fluorescence spectrometer, it is characterised in that described solid Positioning element and the rotational positioning part are determined to be multiple and coordinate one by one, are uniformly distributed installed in the fixed component and described On cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710812520.6A CN107655919B (en) | 2017-09-11 | 2017-09-11 | Positioning structure for multiple collimators of X-ray fluorescence spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710812520.6A CN107655919B (en) | 2017-09-11 | 2017-09-11 | Positioning structure for multiple collimators of X-ray fluorescence spectrometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107655919A true CN107655919A (en) | 2018-02-02 |
| CN107655919B CN107655919B (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710812520.6A Active CN107655919B (en) | 2017-09-11 | 2017-09-11 | Positioning structure for multiple collimators of X-ray fluorescence spectrometer |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57172205A (en) * | 1981-04-16 | 1982-10-23 | Seiko Instr & Electronics Ltd | Head device for measuring plating thickness by x rays |
| JPS60127405A (en) * | 1983-12-13 | 1985-07-08 | Seiko Instr & Electronics Ltd | Fluorescent-x-ray film-thickness gage |
| CN201339878Y (en) * | 2009-01-20 | 2009-11-04 | 江苏天瑞仪器股份有限公司 | Light filter and collimator combined switching unit |
| CN201387734Y (en) * | 2009-04-02 | 2010-01-20 | 深圳市华唯计量技术开发有限公司 | Optical filter device of X-ray fluorescence spectrometer |
| CN201600339U (en) * | 2010-01-20 | 2010-10-06 | 纳优科技（北京）有限公司 | Filtering collimator combined device of X-ray fluorescence spectrometer |
| CN201622253U (en) * | 2010-01-15 | 2010-11-03 | 纳优科技（北京）有限公司 | Wheel disc type light-filtering collimating device of X-ray fluorescence spectrometer |
| CN103385732A (en) * | 2013-07-25 | 2013-11-13 | 中国科学院苏州生物医学工程技术研究所 | Static CT (Computed Tomography) scanner |
| CN204575572U (en) * | 2015-04-10 | 2015-08-19 | 苏州浪声科学仪器有限公司 | X fluorescence spectrometer collimating apparatus switching device of optical fiber |
| CN106267587A (en) * | 2016-08-18 | 2017-01-04 | 上海联影医疗科技有限公司 | Collimator positioner assembly |
-
2017
- 2017-09-11 CN CN201710812520.6A patent/CN107655919B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57172205A (en) * | 1981-04-16 | 1982-10-23 | Seiko Instr & Electronics Ltd | Head device for measuring plating thickness by x rays |
| JPS60127405A (en) * | 1983-12-13 | 1985-07-08 | Seiko Instr & Electronics Ltd | Fluorescent-x-ray film-thickness gage |
| CN201339878Y (en) * | 2009-01-20 | 2009-11-04 | 江苏天瑞仪器股份有限公司 | Light filter and collimator combined switching unit |
| CN201387734Y (en) * | 2009-04-02 | 2010-01-20 | 深圳市华唯计量技术开发有限公司 | Optical filter device of X-ray fluorescence spectrometer |
| CN201622253U (en) * | 2010-01-15 | 2010-11-03 | 纳优科技（北京）有限公司 | Wheel disc type light-filtering collimating device of X-ray fluorescence spectrometer |
| CN201600339U (en) * | 2010-01-20 | 2010-10-06 | 纳优科技（北京）有限公司 | Filtering collimator combined device of X-ray fluorescence spectrometer |
| CN103385732A (en) * | 2013-07-25 | 2013-11-13 | 中国科学院苏州生物医学工程技术研究所 | Static CT (Computed Tomography) scanner |
| CN204575572U (en) * | 2015-04-10 | 2015-08-19 | 苏州浪声科学仪器有限公司 | X fluorescence spectrometer collimating apparatus switching device of optical fiber |
| CN106267587A (en) * | 2016-08-18 | 2017-01-04 | 上海联影医疗科技有限公司 | Collimator positioner assembly |
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| CN107655919B (en) | 2020-04-03 |
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