CN201562466U - Collimating slit adjusting mechanism for collimator and collimator - Google Patents
Collimating slit adjusting mechanism for collimator and collimator Download PDFInfo
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- CN201562466U CN201562466U CN2009202776007U CN200920277600U CN201562466U CN 201562466 U CN201562466 U CN 201562466U CN 2009202776007 U CN2009202776007 U CN 2009202776007U CN 200920277600 U CN200920277600 U CN 200920277600U CN 201562466 U CN201562466 U CN 201562466U
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Abstract
The utility model discloses a collimating slit adjusting mechanism (10) for a collimator (1), wherein the collimator comprises an inner collimation block (2) and an outer collimation block (3), and the collimating slit adjusting mechanism comprises a first fixed part (4) and a second fixed part (5) as well as a stud bolt (7), wherein the first and the second fixed parts are respectively fixed on the inner and the outer collimation blocks, and are respectively provided with threaded parts (41 and 51); and the stud bolt (7) is provided with a first and a second threaded parts (71 and 72), wherein the first and the second threaded parts are respectively matched with the threaded parts of the first and the second fixed parts, and the spiral directions of the first and the second threaded parts (71 and 72) are opposite. In addition, the utility model further discloses the collimator (1) which comprises the collimating slit adjusting mechanism (10).
Description
Technical field
The utility model relates to the radiation scanning imaging detection technology, belongs to the radiation checking technical field.Particularly, the utility model relates to a kind of collimating slit adjusting mechanism that is used for collimating apparatus.In addition, the utility model also relates to a kind of collimating apparatus with above-mentioned collimating slit adjusting mechanism.
Background technology
In large container inspection system,, in the equipment debugging process, need constantly to adjust the width of collimating slit in order to obtain better X ray collimation effect and distinct image more.The collimating slit adjustment of prior art is to obtain different collimating slit width by collimating the thickness that changes pad between piece and the interior collimation piece outside, the collimating slit width that this method obtains is discontinuous, and can not guarantee the two the coincidence of the central plane of collimating slit of collimating apparatus and X ray line central plane after adjusting, thus, the on-the-spot workload of adjusting is very big.Especially along with the breakthrough of double vision angle technology, coplane adjustment between detector, collimating apparatus, the accelerator three is complicated more, traditional collimating slit is adjusted the width of the collimating slit of a collimating apparatus of the every adjustment of structure, all to carry out the coplane adjustment of primary detector, collimating apparatus, accelerator three's center line, greatly influence the debugging efficiency of field apparatus and adjust effect.
The utility model content
The purpose of this utility model is intended to solve at least one aspect of the above-mentioned problems in the prior art and defective.
Correspondingly, one of the purpose of this utility model is to provide a kind of collimating slit adjusting mechanism that is used for collimating apparatus, and it can adjust the width of collimating slit more accurately, continuously.
One of another purpose of the present utility model is to provide a kind of collimating slit adjusting mechanism that is used for collimating apparatus, after it can realize the collimating slit width adjustment, need not adjust the coplane of detector, collimating apparatus, accelerator three's center line once more, thereby reduce the on-the-spot workload of adjusting.
According to an aspect of the present utility model, it provides a kind of collimating slit adjusting mechanism that is used for collimating apparatus, collimation piece and outer collimation piece in wherein said collimating apparatus comprises, described collimating slit adjusting mechanism comprises: first, second fixture, described first, second fixture are respectively fixed on described interior collimation piece and the outer collimation piece and have threaded portion on it respectively; Stud bolt, described stud bolt has first, second threaded portion, and described first, second threaded portion matches with the threaded portion of described first, second fixture respectively, and the hand of spiral of wherein said first, second threaded portion is opposite.
Preferably, described first threaded portion is identical with the pitch of described second threaded portion.
Preferably, the central axis along longitudinally of described stud bolt is vertical with the longitudinal axis of described collimating slit basically.
In one embodiment, the collimating slit adjusting mechanism also comprises: the connected collimating apparatus Connection Block of described inside and outside collimation piece, and described collimating apparatus Connection Block is used to support described inside and outside collimation piece; Described collimating apparatus Connection Block is used to support described inside and outside collimation piece; When the rotation of described stud bolt, move along the direction that is separated from each other with respect to described collimating apparatus Connection Block by guiding mechanism with collimation piece and outer collimation piece in fixing respectively described of described first, second fixture.
In one embodiment, described guiding mechanism comprises: be arranged at the guide groove on one of described inside and outside collimation piece and described collimating apparatus Connection Block; And be arranged at described inside and outside collimation piece and the described collimating apparatus Connection Block slide rail on another.
In one embodiment, the collimating slit adjusting mechanism also comprises: be fixed to the holder on the described collimating apparatus Connection Block; With the fixed cap that described holder removably is connected, wherein said holder and described fixed cap are limited with described stud bolt jointly and run through wherein through hole.
Alternatively, the internal perisporium of described through hole is formed with annular groove; Described stud bolt is provided with stage portion along the cardinal principle center of its longitudinally, and the stage portion of wherein said stud bolt is contained in the annular groove of described through hole.
In one embodiment, the collimating slit adjusting mechanism also comprises: fastener, it is used for when described slide rail moves to the precalculated position with respect to described guide groove described inside and outside collimation piece being fixed with respect to described collimating apparatus Connection Block.
In one embodiment, the collimating slit adjusting mechanism also comprises: be arranged at first, second web member of end of the longitudinally of described inside and outside collimation piece respectively, wherein first, second fixture is detachably fixed to respectively on first, second web member of described inside and outside collimation piece.
Alternatively, described fastener comprises trip bolt or fastening bolt.
Alternatively, described first, second web member comprises first, second joint flange of the end of the longitudinally that is arranged at described inside and outside collimation piece respectively, and described first, second joint flange is connected on the described inside and outside collimation piece or is integrally formed with described inside and outside collimation piece.
Particularly, described slide rail comprises that being arranged at described inside and outside collimation piece and described collimating apparatus Connection Block flat key and the described guide groove on another comprises and be arranged at described inside and outside collimation piece and one of described collimating apparatus Connection Block is gone up the keyway that matches with described flat key.
Valuably, the stage portion of stud bolt coincides along the axial center line of described stud bolt and the central axis of described collimating slit.
According on the other hand of the present utility model, it provides a kind of collimating slit adjusting mechanism that is used for collimating apparatus, wherein said collimating apparatus comprises interior collimation piece and outer collimation piece, and described collimating slit adjusting mechanism comprises: be separately positioned on first, second female thread portion on described interior collimation piece and the outer collimation piece; Stud bolt, described stud bolt has first, second male thread portion, and described first, second male thread portion matches with described first, second female thread portion respectively, and the hand of spiral of wherein said first, second male thread portion is opposite.
It provides a kind of collimating apparatus more on the one hand according to of the present utility model, and it comprises: interior collimation piece and outer collimation piece, described in collimation piece and collimate piece outward and limit collimating slit between it jointly; Be arranged at the upper and lower collimating apparatus Connection Block of the end of described inside and outside collimation piece respectively along the longitudinally of described collimating slit, described upper and lower collimating apparatus Connection Block links to each other with described inside and outside collimation piece respectively and supports described inside and outside collimation piece; And the collimating slit adjusting mechanism that is used for collimating apparatus of at least one aforementioned any one aspect.
Preferably, described at least one collimating slit adjusting mechanism is two, and described two collimating slit adjusting mechanisms are separately positioned on the end of described inside and outside collimation piece along the longitudinally of described collimating slit.
In technique scheme of the present utility model, the collimating slit adjusting mechanism can comprise: be separately positioned on first, second female thread portion on described interior collimation piece and the outer collimation piece; Stud bolt, described stud bolt has first, second male thread portion.The hand of spiral of first, second female thread portion is opposite, and for example the left end of stud bolt is a left-hand thread (LHT), and right-hand member is a right-hand thread.Described first, second male thread portion matches with described first, second female thread portion respectively, like this when the adjustment personnel rotate stud bolt with spanner, stud bolt rotates, the axial thrust that is produced by the stud bolt left and right hand thread is delivered on the interior collimation piece and outer collimation piece that cooperates with it simultaneously, thereby drive inside and outside collimation piece along guiding mechanism, for example flat key is done rightabout motion.By adopting technique scheme, the adjusting of aiming at the vertical masonry joint width is continuous.
In addition, the pitch by regulating left and right hand thread etc. can realize that when stud bolt rotates inside and outside collimation piece produces equal displacement in opposite direction.Thus, the central axis of the collimating slit between the inside and outside collimation piece remains unchanged.Like this, after the coplane adjustment of the center line of carrying out primary detector, collimating apparatus, accelerator three, after regulating the width of collimating slit by above-mentioned governor motion, because the central axis of collimating slit remains unchanged in above-mentioned adjustment process, thereby can guarantee that the central plane of collimating slit and the central plane of line overlap.That is to say, need after the collimating slit width adjusting, not carry out the coplane adjustment of detector, collimating apparatus, accelerator three's center line repeatedly, greatly improved the debugging efficiency of field apparatus and adjusted effect.
In addition, the utility model provides a kind of collimating apparatus, and it comprises: interior collimation piece and outer collimation piece, described in collimation piece and collimate piece outward and limit collimating slit between it jointly; Be arranged at the upper and lower collimating apparatus Connection Block of the end of described inside and outside collimation piece respectively along the longitudinally of described collimating slit, described upper and lower collimating apparatus Connection Block links to each other with described inside and outside collimation piece respectively and supports described inside and outside collimation piece; And the collimating slit adjusting mechanism that is used for collimating apparatus of at least one aforementioned any one aspect.Collimating apparatus preferably includes the identical adjusting mechanism of two covers, lay respectively at collimating apparatus two ends and can with collimating slit vertical installation substantially.Top adjusting mechanism is connected with the collimating apparatus upper connecting base, and following adjusting mechanism is connected with the collimating apparatus lower connecting base, has reduced the length and the installing space of collimating apparatus thus effectively.
Description of drawings
Fig. 1 is the side view that shows according to the collimating apparatus that comprises the collimating slit governor motion of embodiment of the present utility model;
Fig. 2 is the front view that shows according to the collimating apparatus that comprises the collimating slit governor motion of embodiment of the present utility model;
Fig. 3 be among Fig. 1 " I " part dissect enlarged drawing;
Fig. 4 is the enlarged drawing that dissects of Fig. 2 " II " part;
Fig. 5 is the decomposition diagram that shows according to the collimating apparatus that comprises the collimating slit governor motion of embodiment of the present utility model.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.In instructions, same or analogous drawing reference numeral is indicated same or analogous parts.Following explanation to the utility model embodiment is intended to overall utility model design of the present utility model is made an explanation with reference to accompanying drawing, and not should be understood to a kind of restriction of the present utility model.
Referring to Fig. 1-5, it shows the collimating apparatus that comprises the collimating slit governor motion according to a kind of embodiment of the present utility model.Fig. 1 is the side view that shows according to the collimating apparatus that comprises the collimating slit governor motion of embodiment of the present utility model; Fig. 2 is the front view that shows according to the collimating apparatus that comprises the collimating slit governor motion of embodiment of the present utility model.Shown in Fig. 1-2, collimation piece 2 and outer collimation piece 3 in collimating apparatus 1 comprises, described in collimation piece 2 and collimate piece 3 outward and limit collimating slit 6 between it jointly.
Shown in 1,2 and 5, collimating apparatus 1 also comprises the collimating slit adjusting mechanism 10 that is used for collimating apparatus 1.Shown in Fig. 3 and 4, described collimating slit adjusting mechanism 10 comprises: as the left and right mounting flange 4,5 of first, second fixture, described left and right mounting flange 4,5 be respectively fixed to described in collimation piece 2 and collimate on the piece 3 outward and have threaded portion 41,51 on it respectively; Stud bolt 7, described stud bolt has first, second threaded portion 71,72, described first, second threaded portion 71,72 matches with the threaded portion 41,51 of described left and right mounting flange 4,5 respectively, and the hand of spiral of wherein said first, second threaded portion 71,72 is opposite.
Referring to Fig. 4, preferably, described first threaded portion 71 is identical with the pitch of described second threaded portion 72.Thus, when stud bolt 7 rotation, the threaded portion 41,51 of the left and right mounting flange 4,5 that matches with first threaded portion 71 and described second threaded portion 72 produces the displacement that equates along opposite direction (the left and right direction among Fig. 4).In addition, as shown in Figure 4, in one embodiment, the central axis 21 along longitudinally of stud bolt 7 is vertical substantially with the longitudinal axis 20 of described collimating slit 6 basically.
Referring to Fig. 1-2 and 5, collimating slit adjusting mechanism 10 also comprises: described inside and outside collimation piece 2,3 connected collimating apparatus Connection Blocks 8,9, and described collimating apparatus Connection Block 8,9 is used to support described inside and outside collimation piece 2,3; When 7 rotations of described stud bolt, with collimation piece 2 in fixing respectively described of described left and right mounting flange 4,5 with collimate piece 3 outward and move along the direction that is separated from each other with respect to described collimating apparatus Connection Block 8,9 by slide rail 13 and guide groove 22 as guiding mechanism.
In the embodiment shown in Fig. 3 and 5, collimating apparatus Connection Block 8,9 comprises with interior collimation piece 2 respectively and collimates piece 3 outward and matches to support the web joint 16 of described inside and outside collimation piece 2,3.As shown in Figure 4, guide groove 22 can be arranged on the described inside and outside collimation piece 2,3, and slide rail 13 can be arranged on the web joint 16 of described collimating apparatus Connection Block.Obviously, the utility model is not limited in this, and for example slide rail 13 is arranged on the described inside and outside collimation piece 2,3, and guide groove 22 can be arranged on the web joint 16 of described collimating apparatus Connection Block 8,9.
In a kind of specific embodiment shown in Figure 3, slide rail 13 adopts the form that is arranged at the flat key 13 on one of described inside and outside collimation piece 2,3 and described collimating apparatus Connection Block 8,9; And guide groove 22 adopts the form that is arranged at the keyway that described inside and outside collimation piece 2,3 and described collimating apparatus Connection Block 8,9 match with described flat key on another.Further, as shown in Figure 5, flat key 13 can be fixed on the web joint 16 of collimating apparatus Connection Block 8,9 by screw 131, slides with respect to web joint 16 to prevent flat key 13.Obviously, above-mentioned slide rail 13 and guide groove 22 are not limited only to the form of above-mentioned flat key and keyway, and can be any suitable forms that can realize described inside and outside collimation piece 2,3 and described collimating apparatus Connection Block 8,9 relative slips.
In a kind of optimal way, referring to Fig. 3 and 5, collimating slit adjusting mechanism 10 also comprises: be fixed on the described collimating apparatus Connection Block 8,9, for example the holder 11 on the web joint 16; With the fixed cap 12 that described holder 11 removably is connected, wherein said holder 11 and described fixed cap 12 are limited with described stud bolt 7 jointly and run through wherein through hole 23.
In a kind of specific embodiment, the internal perisporium of described through hole 23 is formed with annular groove 24; Described stud bolt 7, comprise two bolt part 7A, 7B, this stud bolt 7 is provided with stage portion 25 along the cardinal principle center that its longitudinally is positioned at two bolt part 7A, 7B, and the stage portion 25 of wherein said stud bolt 7 is contained in the annular groove 24 of described through hole 23.By the annular groove 24 of above-mentioned described holder 11 and the described fixed cap 12 common through holes 23 that limit is set,, can realize positioning action to stud bolt 7 by means of the mating reaction of annular groove 24 with the stage portion 25 of stud bolt 7.In a kind of optimal way, as shown in Figure 4, the stage portion 25 of stud bolt 7 coincides along the center line 26 of the axis direction of stud bolt 7 and the central axis 20 of collimating slit 6.
After the stage portion 25 of stud bolt 7 is placed into the annular groove 24 of fixed cap 12 and the holder 11 common through holes 23 that limit, as shown in Figure 3, adopt screw 19 to pass the screw hole 18 that runs through fixed cap 12, holder 11 and web joint 16, fixed cap 12 and holder 11 can be fixed on the web joint 16 of collimating apparatus Connection Block 8,9 together.
Need to prove, though in above preferred embodiment, be provided with holder 11 and the fixed cap 12 that removably is connected with described holder 11.Simultaneously, stud bolt 7 is formed with stage portion 25, and the stage portion 25 of wherein said stud bolt 7 is contained in the annular groove 24 of described through hole 23.But the stage portion 25 of said fixing seat 11, fixed cap 12 and stud bolt 7 is not necessary.Obviously, stud bolt 7 can form the flat shape with stage portion 25.At this moment, said fixing seat 11 and fixed cap 12 can be omitted.
In one embodiment, the collimating slit adjusting mechanism also comprises: fastener, it is used for when described slide rail 13 moves to the precalculated position with respect to described guide groove 22 described inside and outside collimation piece 2,3 being fixed with respect to described collimating apparatus Connection Block 8,9.Referring to Fig. 4, in one embodiment, fastener is for example trip bolt or fastening bolt 17, when described slide rail 13 moves to the precalculated position with respect to described guide groove 22, trip bolt or fastening bolt 17 are screwed in the web joint 16 of collimating apparatus Connection Block 8,9, thereby described inside and outside collimation piece 2,3 is fixed with respect to described collimating apparatus Connection Block 8,9.
In one embodiment, collimating slit adjusting mechanism 10, also comprise: be arranged at the left and right joint flange 27,28 of inside and outside collimation piece 2,3 of first, second web member of conduct of end of the longitudinally of described inside and outside collimation piece respectively, wherein left and right mounting flange 4,5 is detachably fixed to respectively on the left and right joint flange 27,28 of described inside and outside collimation piece 2,3.As shown in Figure 4, described first, second web member comprises the left and right joint flange 27,28 of the end of the longitudinally that is arranged at described inside and outside collimation piece 2,3 respectively, and described left and right joint flange 27,28 can be connected on the described inside and outside collimation piece 2,3 by fastener.Certainly, as shown in Figure 4, described left and right joint flange 27,28 also can be integrally formed with described inside and outside collimation piece 2,3.
As shown in Figure 4, left and right mounting flange 4,5 is connected on the left and right joint flange 27,28 of described inside and outside collimation piece 2,3 by a plurality of attachment screws 29.First, second threaded portion 71,72 by stud bolt 7 respectively with the mating reaction of the threaded portion 41,51 of described left and right mounting flange 4,5, make rotatablely moving of stud bolt 7 change into the displacement on the reverse direction of described inside and outside collimation piece 2,3.
Though in the above-described embodiment, first, second threaded portion 71,72 of stud bolt 7 respectively with the matching of the threaded portion 41,51 of described left and right mounting flange 4,5, described left and right mounting flange 4,5 is fixedlyed connected the displacement on the reverse direction of realizing making rotatablely moving of stud bolt 7 change into described inside and outside collimation piece 2,3 with the left and right joint flange 27,28 of described inside and outside collimation piece 2,3 simultaneously.But the utility model is not limited in this, and for example, left and right mounting flange 4,5 can be omitted, and the threaded portion 41,51 of left and right mounting flange 4,5 can be set directly on the end of inside and outside collimation piece 2,3.
In a kind of specific embodiment, collimating slit adjusting mechanism 10 comprises: be separately positioned on first, second female thread portion 41,51 on described interior collimation piece and the outer collimation piece 2,3; Stud bolt 7, described stud bolt 7 has first, second male thread portion 71,72, described first, second male thread portion 71,72 matches with described first, second female thread portion 41,51 respectively, and the hand of spiral of wherein said first, second male thread portion 71,72 is opposite.
Below, with reference to accompanying drawing 1-5 to collimating apparatus 1 according to comprising of embodiment of the present utility model of above-mentioned collimating slit adjusting mechanism 10.Shown in Fig. 1-2 and 5, collimating apparatus 1 comprises: interior collimation piece 2 and outer collimation piece 3, described in collimation piece 2 and collimate piece 3 outward and limit collimating slit 6 between it jointly; Be arranged at the upper and lower collimating apparatus Connection Block 8,9 of the end of described inside and outside collimation piece 2,3 respectively along the longitudinally of described collimating slit 6, described upper and lower collimating apparatus Connection Block 8,9 links to each other with described inside and outside collimation piece 2,3 respectively and supports described inside and outside collimation piece 2,3; And at least one collimating slit adjusting mechanism 10.
In a kind of specific embodiment, collimating apparatus 1 comprises two collimating slit adjusting mechanisms 10, and described two collimating slit adjusting mechanisms 10 are separately positioned on the end of described inside and outside collimation piece 2,3 along the longitudinally of described collimating slit 6.By two collimating slit adjusting mechanisms 10 are set, can aim at the width of the top and bottom of vertical masonry joint 6 and regulate respectively or simultaneously.
In foregoing description explanation of the present utility model, adopted the orientation of left and right and inside and outside expression respectively, but above-mentioned term only has relative meaning, and not should be understood to a kind of restriction of the present utility model.
Though some embodiment of this overall utility model design are shown and illustrate, those skilled in the art will appreciate that, under the situation of principle that does not deviate from this overall utility model design and spirit, can make a change these embodiment, scope of the present utility model limits with claim and their equivalent.
Claims (16)
1. a collimating slit adjusting mechanism that is used for collimating apparatus collimates piece and outer collimation piece in wherein said collimating apparatus comprises, described collimating slit adjusting mechanism comprises:
First, second fixture, described first, second fixture are respectively fixed on described interior collimation piece and the outer collimation piece and have threaded portion on it respectively;
Stud bolt, described stud bolt has first, second threaded portion, and described first, second threaded portion matches with the threaded portion of described first, second fixture respectively,
The hand of spiral of wherein said first, second threaded portion is opposite.
2. the collimating slit adjusting mechanism that is used for collimating apparatus according to claim 1, wherein:
Described first threaded portion is identical with the pitch of described second threaded portion.
3. the collimating slit adjusting mechanism that is used for collimating apparatus according to claim 1, wherein:
The central axis along longitudinally of described stud bolt is vertical with the longitudinal axis of described collimating slit basically.
4. according to any one described collimating slit adjusting mechanism that is used for collimating apparatus among the claim 1-3, also comprise:
The connected collimating apparatus Connection Block of described inside and outside collimation piece, described collimating apparatus Connection Block is used to support described inside and outside collimation piece;
When the rotation of described stud bolt, move along the direction that is separated from each other with respect to described collimating apparatus Connection Block by guiding mechanism with collimation piece and outer collimation piece in fixing respectively described of described first, second fixture.
5. the collimating slit adjusting mechanism that is used for collimating apparatus according to claim 4, wherein said guiding mechanism comprises:
Be arranged at the guide groove on one of described inside and outside collimation piece and described collimating apparatus Connection Block; And
Be arranged at described inside and outside collimation piece and the described collimating apparatus Connection Block slide rail on another.
6. the collimating slit adjusting mechanism that is used for collimating apparatus according to claim 5 also comprises:
Be fixed to the holder on the described collimating apparatus Connection Block;
The fixed cap that removably is connected with described holder,
Wherein said holder and described fixed cap are limited with described stud bolt jointly and run through wherein through hole.
7. the collimating slit adjusting mechanism that is used for collimating apparatus according to claim 5, wherein:
The internal perisporium of described through hole is formed with annular groove;
Described stud bolt is provided with stage portion along the cardinal principle center of its longitudinally,
The stage portion of wherein said stud bolt is contained in the annular groove of described through hole.
8. the collimating slit adjusting mechanism that is used for collimating apparatus according to claim 5 also comprises:
Fastener, it is used for when described slide rail moves to the precalculated position with respect to described guide groove described inside and outside collimation piece being fixed with respect to described collimating apparatus Connection Block.
9. the collimating slit adjusting mechanism that is used for collimating apparatus according to claim 1 also comprises:
Be arranged at first, second web member of end of the longitudinally of described inside and outside collimation piece respectively,
Wherein first, second fixture is detachably fixed to respectively on first, second web member of described inside and outside collimation piece.
10. the collimating slit adjusting mechanism that is used for collimating apparatus according to claim 8, wherein:
Described fastener comprises trip bolt or fastening bolt.
11. the collimating slit adjusting mechanism that is used for collimating apparatus according to claim 9, wherein:
Described first, second web member comprises first, second joint flange of the end of the longitudinally that is arranged at described inside and outside collimation piece respectively,
Described first, second joint flange is connected on the described inside and outside collimation piece or is integrally formed with described inside and outside collimation piece.
12. the collimating slit adjusting mechanism that is used for collimating apparatus according to claim 5, wherein:
Described slide rail comprise the flat key that is arranged on one of described inside and outside collimation piece and described collimating apparatus Connection Block and
Described guide groove comprises and is arranged at the keyway that described inside and outside collimation piece and described collimating apparatus Connection Block match with described flat key on another.
13. the collimating slit adjusting mechanism that is used for collimating apparatus according to claim 7, wherein:
The stage portion of described stud bolt coincides along the axial center line of described stud bolt and the central axis of described collimating slit.
14. collimation piece and outer collimation piece in a collimating slit adjusting mechanism that is used for collimating apparatus, wherein said collimating apparatus comprise, described collimating slit adjusting mechanism comprises:
Be separately positioned on first, second female thread portion on described interior collimation piece and the outer collimation piece;
Stud bolt, described stud bolt has first, second male thread portion, and described first, second male thread portion matches with described first, second female thread portion respectively,
The hand of spiral of wherein said first, second male thread portion is opposite.
15. a collimating apparatus, it comprises:
In collimation piece and outer collimation piece, described in collimation piece and collimate piece outward and limit collimating slit between it jointly;
Be arranged at the upper and lower collimating apparatus Connection Block of the end of described inside and outside collimation piece respectively along the longitudinally of described collimating slit, described upper and lower collimating apparatus Connection Block links to each other with described inside and outside collimation piece respectively and supports described inside and outside collimation piece; And
At least one is according to any one described collimating slit adjusting mechanism that is used for collimating apparatus among the claim 1-14.
16. collimating apparatus according to claim 15, wherein:
Described at least one collimating slit adjusting mechanism is two, and described two collimating slit adjusting mechanisms are separately positioned on the end of described inside and outside collimation piece along the longitudinally of described collimating slit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202776007U CN201562466U (en) | 2009-12-24 | 2009-12-24 | Collimating slit adjusting mechanism for collimator and collimator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202776007U CN201562466U (en) | 2009-12-24 | 2009-12-24 | Collimating slit adjusting mechanism for collimator and collimator |
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| CN201562466U true CN201562466U (en) | 2010-08-25 |
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| CN2009202776007U Expired - Lifetime CN201562466U (en) | 2009-12-24 | 2009-12-24 | Collimating slit adjusting mechanism for collimator and collimator |
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- 2009-12-24 CN CN2009202776007U patent/CN201562466U/en not_active Expired - Lifetime
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| CN102768372A (en) * | 2012-08-07 | 2012-11-07 | 安徽启路达光电科技有限公司 | Micro-dose X-ray rapid inspection system for pedestrians and goods |
| CN102768372B (en) * | 2012-08-07 | 2016-04-20 | 安徽启路达光电科技有限公司 | A kind of quick check system of micro-X-ray dose for pedestrian and article |
| CN107796838A (en) * | 2017-10-25 | 2018-03-13 | 同方威视技术股份有限公司 | Collimater and scanning imagery equipment afterwards |
| CN107807137A (en) * | 2017-10-25 | 2018-03-16 | 同方威视技术股份有限公司 | Preceding collimater and scanning imagery equipment |
| CN107727673A (en) * | 2017-11-09 | 2018-02-23 | 中国工程物理研究院核物理与化学研究所 | A kind of heavy-loaded precision centering adjusting device for thick pinhole collimator |
| CN107727673B (en) * | 2017-11-09 | 2023-05-26 | 中国工程物理研究院核物理与化学研究所 | Heavy-load precise centering adjusting device for thick pinhole collimator |
| CN108744315A (en) * | 2018-06-25 | 2018-11-06 | 西安大医数码科技有限公司 | Collimator and radiotherapy apparatus |
| CN109307521A (en) * | 2018-09-06 | 2019-02-05 | 北京华力兴科技发展有限责任公司 | Cask flask |
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