CN2279685Y - X-ray filter device - Google Patents
X-ray filter device Download PDFInfo
- Publication number
- CN2279685Y CN2279685Y CN 96241770 CN96241770U CN2279685Y CN 2279685 Y CN2279685 Y CN 2279685Y CN 96241770 CN96241770 CN 96241770 CN 96241770 U CN96241770 U CN 96241770U CN 2279685 Y CN2279685 Y CN 2279685Y
- Authority
- CN
- China
- Prior art keywords
- rotor wheel
- wheel
- filtering plate
- ray
- support
- 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.)
- Expired - Lifetime
Links
- 238000001914 filtration Methods 0.000 claims description 48
- 239000004744 fabric Substances 0.000 claims description 3
- 208000019300 CLIPPERS Diseases 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
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- Apparatus For Radiation Diagnosis (AREA)
Abstract
The utility model relates to an X ray filter equipment for X ray characteristic research. It features that the X-ray filters are uniformly installed on the same circumference of rotary wheel, which is driven by servo motor and positioned by electric appliance and mechanical locator to make the needed filters just aim at the center of X-ray beam. Its advantages are automatic remote change of filter plates, and accurate and reliable positioning of filter plates.
Description
The utility model belongs to a kind of X ray wave filter, is specifically related to a kind of X ray filter that is used to carry out the filtering plate of conversion X ray automatically of X ray characteristic research.
The medical treatment and the metering industry in order to carry out the X ray characteristic research, need carry out filtering to obtain the X ray of required higher-energy to X-ray beam.Do not find the X ray filter of conversion X ray filtering plate automatically in the prior art as yet.Normally settle in X ray beam-defining clipper front one can plug-in mounting X ray filtering plate simple rack, adopt manual type plug-in mounting filtering plate.Reach purpose to X ray filtering.The shortcoming of this loading amount is a not only manually-operated inconvenience, once can only plug a kind of filtering plate, and the more important thing is the required filtering plate of conversion automatically, can not adapt to the needs that the X ray characteristic carried out revision test research.
The purpose of this utility model provides the automatic conversion X ray of a kind of energy filtering plate, and the reliable X ray filter of filtering plate accurate positioning.
For achieving the above object, the technical solution of the utility model is that different X ray filtering plates is installed on the same circumference of rotor wheel equably, rotor wheel makes its angular turn in accordance with regulations by driven by servomotor, utilize electrical equipment and mechanical positioner to make its accurate location, make required filtering plate aim at the center of X beam just.The utility model is achieved in that a kind of X ray filter specifically, it comprises filtering plate, and it also comprise one be positioned at X beam vertical plane on support, one is installed in fast pulley in parallel on the bracket end, one and the coaxial mounted rotor wheel of fast pulley, have equally distributed circular hole on the same circumference of rotor wheel, filtering plate covers and is installed on each circular hole; A side that installs and fixes wheel on support is provided with a servomotor by nine interlock switchs controls, and a power wheel with the rotor wheel coplane is installed on the output shaft of servomotor, it with rotor wheel between be connected by synchronizing jugged belt; Relatively rotate at fast pulley on the same circumference of a side of wheel and be provided with component cloth angle microswitch corresponding with filtering plate and that be connected with servomotor, and in a side of rotor wheel relative fixed wheel, be positioned on a filtering plate and the rotor wheel circle center line connecting, be provided with a contact block from equaling microswitch apart from fast pulley center of circle distance apart from the rotor wheel distance of center circle; On the same circumference of the inboard of each filtering plate of side of the relative support of rotor wheel, be positioned on filtering plate and the rotor wheel circle center line connecting and have conical pilot hole, be provided with a spring space and a side that relatively rotates wheel at support equals pilot hole apart from its end axis distance between center line apart from rotor wheel center of circle distance.
The utility model is to utilize nine interlock switch far distance controlled servomotors that are located in the pulpit to rotate, and drives rotor wheel angular turn in accordance with regulations by power wheel.Nine interlock switchs, filtering plate all has identical reference numeral with microswitch, when needs select for use the filtering plate of a certain numbering to enter X ray beam-defining clipper front, only need press nine interlock switchs of corresponding numbering, make servomotor drive rotor wheel and rotate a certain angle, contact block on the rotor wheel contacts with the microswitch of identical numbering at this moment, make the servomotor stall, rotor wheel then is parked on this position, and be positioned by spring space in the pilot hole of filtering plate inboard of corresponding numbering, since pilot hole and filtering plate on same longitudinal axis, make the filtering plate center be accurately positioned in the X beam in the heart.So the utility model has the advantages that can far distance automatic conversion filtering plate, and utilize the dual detent mechanism of electrical equipment and machinery to make the filtering plate accurate positioning reliable.
The utility model has three accompanying drawings:
Fig. 1 is the structural representation of X ray filter;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is the structural representation of spring space.
Now in conjunction with the accompanying drawings and embodiments the utility model is done specific descriptions:
As depicted in figs. 1 and 2, a kind of X ray filter, it comprise one be positioned at X beam vertical plane on herringbone 4, the angle between support 4 two legs is 45 °.On the end of support 4, connect a fast pulley 3 parallel with support 4 by axle sleeve 5.Rotor wheel 1 is installed in the axle sleeve 5 by coupling shaft 6, can rotate.Have equally distributed circular hole on the same circumference of rotor wheel 1, the number of circular hole can be decided as required, is 8 circular holes herein, 45 ° of each intervals.X ray filtering plate 2 is screwed on circular hole.The different x-ray energy range is with different filtering plate 2, and 140KV is following use aluminium, adds aluminium or compound filtering plate 2 with copper or copper more than the 140KV.A side that installs and fixes wheel 3 at support 4 is provided with a servomotor 8 by nine interlock switch controls.Power wheel 9 with rotor wheel 1 coplane is installed on the output shaft of servomotor 8.The periphery of rotor wheel 1 and power wheel 9 has tooth, and two-wheeled is connected by synchronizing jugged belt 7.Nine interlock switchs that are located in the pulpit can be controlled servomotor 8 angular turn in accordance with regulations, drive rotor wheel 1 by power wheel 9 and synchronizing jugged belt 7 again and rotate corresponding angle, make filtering plate 2 enter X ray beam-defining clipper front.For the ease of rotor wheel 1 and filtering plate 2 location mounted thereto, particularly make its accurate positioning reliable, be provided with electrical equipment and two kinds of locating devices of machinery in this device.The electrical equipment locating device is meant to relatively rotate on wheel 1 the same circumference of a side at fast pulley 3 and is provided with a component cloth angle and filtering plate 2 microswitches 12 corresponding and that be connected with servomotor 8, and takes turns 3 one sides in rotor wheel 1 relative fixed, is positioned on a filtering plate 2 and rotor wheel 1 circle center line connecting and is provided with a contact block 11 from equaling microswitch 12 apart from fast pulley 3 center of circle distances apart from rotor wheel 1 distance of center circle.The number of microswitch 12 is identical with filtering plate 2 numbers, has 8 herein, and the space is 45 °.Filtering plate 2 has identical numbering with microswitch 12 and nine interlock switchs.When driving rotor wheel 1, servomotor 8 rotates a certain angle, when making the filtering plate 2 of a certain numbering enter X ray beam-defining clipper front, microswitch 12 contacts of contact block 11 and identical numbering make servomotor 8 stalls, then the filtering plate 2 of this numbering just is parked in X ray beam-defining clipper front, realizes the electrical equipment location.In order to make filtering plate 2 location more accurately and reliably, also be provided with mechanical positioner in this device, promptly spring space 10.As shown in Figure 3, spring space 10 by locating sleeve 17, be located at spring 16 in the locating sleeve 17, the register pin 15 that supported by spring 16, the place kick of being supported by register pin 15 14 and the set screw 18 that is located at locating sleeve 17 bottoms form.Spring space 10 by screw retention at support 4 on a side of rotor wheel 1, be positioned at the outside of fast pulley 3.Be positioned on filtering plate 2 and rotor wheel 1 circle center line connecting in the inboard of each filtering plate 2 of a side of rotor wheel 1 relative support 4 and have conical pilot hole 13.8 pilot holes 13 are arranged herein, corresponding one by one with filtering plate 2.Each pilot hole 13 equates apart from support 4 end axis distances between center line with steady arm 10 apart from the distance in rotor wheel 1 center of circle.After rotor wheel 1 was by contact block 11 and microswitch 12 location, the place kick 14 by spring space 10 was positioned in the pilot hole 13 simultaneously again.Because pilot hole 13 and filtering plate 2 make filtering plate 2 to be positioned accurately and reliably on the X beam centre on same longitudinal axis.Can utilize set screw 18 to adjust 16 pairs of place kick of spring 14 during assembling spring space 10 and produce certain pressure, it is pressed on the rotor wheel 1.
Claims (3)
1. X ray filter, it comprises filtering plate (2), it is characterized in that: it also comprise one be positioned at X beam vertical plane on support (4), one is installed in support (4) end fast pulley (3) in parallel, one and the coaxial mounted rotor wheel of fast pulley (3) (1), on the same circumference of rotor wheel (1), have equally distributed circular hole, filtering plate (2) covers and is installed on each circular hole, a side that installs and fixes wheel (3) at support (4) is provided with a servomotor (8) by nine interlock switch controls, power wheel (9) with rotor wheel (1) coplane is installed on the output shaft of servomotor (8), it with rotor wheel (1) between be connected by synchronizing jugged belt (7), relatively rotate at fast pulley (3) on the same circumference of a side of wheel (1) and be provided with component cloth angle microswitch (12) corresponding with filtering plate (2) and that be connected with servomotor (8), and be positioned on a filtering plate (2) and rotor wheel (1) circle center line connecting in a side of rotor wheel (1) relative fixed wheel (3), be provided with a contact block (11) from equaling microswitch (12) apart from fast pulley (3) center of circle distance apart from rotor wheel (1) distance of center circle, at rotor wheel (1) relatively on the same circumference of the inboard of each filtering plate of a side (2) of support (4), be positioned at filtering plate (2) and rotor wheel (1) circle center line connecting is provided with conical pilot hole (13), be provided with a spring space (10) apart from rotor wheel (1) center of circle distance and a side that relatively rotates wheel (1) at support (4) equals pilot hole (13) apart from its end axis distance between center line.
2, according to the said a kind of X ray wave filter of claim 1, it is characterized in that said spring space (10) by locating sleeve (17), be located at spring (16) in the locating sleeve (17), the register pin (15) that supported by spring (16), the place kick of being supported by register pin (15) (14) and the set screw (18) that is located at locating sleeve (17) bottom form.
3. according to claim 1 or 2 said a kind of X ray filters, it is characterized in that on the same circumference of rotor wheel (1), having 8 circular holes, evenly distribute, 45 ° of spaces, on the inboard same circumference of each circular hole, have corresponding pilot hole (13) and have 8, and the microswitch (12) that is located on the fast pulley (3) has 8, evenly distributes, and each interval is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96241770 CN2279685Y (en) | 1996-11-12 | 1996-11-12 | X-ray filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96241770 CN2279685Y (en) | 1996-11-12 | 1996-11-12 | X-ray filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2279685Y true CN2279685Y (en) | 1998-04-22 |
Family
ID=33916085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96241770 Expired - Lifetime CN2279685Y (en) | 1996-11-12 | 1996-11-12 | X-ray filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2279685Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101789277A (en) * | 2009-01-24 | 2010-07-28 | Ge医疗系统环球技术有限公司 | Filter and X-ray imaging system |
| CN101303909B (en) * | 2007-05-11 | 2013-03-27 | Ge医疗系统环球技术有限公司 | Filter unit, X ray tube unit and X ray imaging system |
| CN104122278A (en) * | 2014-07-09 | 2014-10-29 | 中国计量科学研究院 | X-ray emitting device |
| CN105788694A (en) * | 2014-12-24 | 2016-07-20 | 丹东市科大仪器有限公司 | Built-in disc type optical filter switching device of X-ray beam limiter |
-
1996
- 1996-11-12 CN CN 96241770 patent/CN2279685Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101303909B (en) * | 2007-05-11 | 2013-03-27 | Ge医疗系统环球技术有限公司 | Filter unit, X ray tube unit and X ray imaging system |
| CN101789277A (en) * | 2009-01-24 | 2010-07-28 | Ge医疗系统环球技术有限公司 | Filter and X-ray imaging system |
| CN101789277B (en) * | 2009-01-24 | 2014-06-11 | Ge医疗系统环球技术有限公司 | Filter and X-ray imaging system |
| CN104122278A (en) * | 2014-07-09 | 2014-10-29 | 中国计量科学研究院 | X-ray emitting device |
| CN105788694A (en) * | 2014-12-24 | 2016-07-20 | 丹东市科大仪器有限公司 | Built-in disc type optical filter switching device of X-ray beam limiter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |