CN207351928U - Preceding collimater and scanning imagery equipment - Google Patents
Preceding collimater and scanning imagery equipment Download PDFInfo
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- CN207351928U CN207351928U CN201721396358.6U CN201721396358U CN207351928U CN 207351928 U CN207351928 U CN 207351928U CN 201721396358 U CN201721396358 U CN 201721396358U CN 207351928 U CN207351928 U CN 207351928U
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- driving section
- shading piece
- collimater
- shading
- collimation
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Abstract
It the utility model is related to a kind of preceding collimater and scanning imagery equipment.Preceding collimater includes：Light shield device, including the first shading piece and the second shading piece with the setting of the first shading piece spacing side by side, form collimation and crack between the first shading piece and the second shading piece；Drive component, including the first driving section being connected with the first shading piece, the second driving section being connected with the second shading piece and the drive division being connected with the first driving section and the second driving section；Drive division drives the first shading piece and the second shading piece in opposite direction into linear motion close to each other or remote is exercised respectively by the first driving section and the second driving section, and the width to crack is collimated with adjustment.The preceding collimater of the present embodiment has the adjustable structure for collimating slit width of cracking, and so as to adjust the width that collimation cracks according to practical situations, changes scanning thickness.Preceding collimater possesses versatility, adaptable, and integrated operation is simple and convenient, improves work efficiency, reduces use cost.
Description
Technical field
Technical field of radiation detection is the utility model is related to, is set more particularly to a kind of preceding collimater and scanning imagery
It is standby.
Background technology
Scanning imagery equipment has the advantage that can be detected without contacting object to interior of articles, will not treat detectable substance
Body produces physical damnification, therefore is widely used in carrying out object scanning in industrial production or daily life.Scanning imagery equipment
Usually there is detecting module.Detecting module includes preceding collimater.Preceding collimater can determine Scan slice thickness.
Applicant passes through long-term observation, research and analysis, it is found that what is set in preceding collimater of the prior art opens
The sealing of seam cannot be adjusted.For the nonadjustable preceding collimater of sealing size, since it does not possess versatility, can only lead to
The preceding collimater for replacing different slit widths is crossed to meet different detection requirements, operating process is cumbersome, adds use cost.
Utility model content
The utility model embodiment provides a kind of preceding collimater and scanning imagery equipment.The preceding collimation utensil of the present embodiment
There is the adjustable structure for collimating slit width of cracking, so as to adjust the width that collimation cracks according to practical situations, change
Scan thickness.In this way, the preceding collimater of the present embodiment possesses versatility, it is adaptable, and integrated operation is simple and convenient, improves
Work efficiency, reduces use cost.
On the one hand, a kind of preceding collimater is proposed according to the utility model embodiment, for scanning imagery equipment, it is wrapped
Include：Light shield device, including the first shading piece and the second shading piece with the setting of the first shading piece spacing side by side, the first shading piece
Collimation is formed between the second shading piece to crack；Drive component, including be connected with the first shading piece the first driving section, with the
The second driving section and the drive division being connected with the first driving section and the second driving section that two shading pieces are connected；Drive division leads to
Cross the first driving section and the second driving section drives the first shading piece and the second shading piece to be leaned on each other into enforcement in opposite direction respectively
Close or remote from linear motion, with the width that cracks of adjustment collimation.
According to the one side of the utility model embodiment, the first driving section and the rotation of the second driving section drive the first shading
Part and the second shading piece are close to each other or remote.
According to the one side of the utility model embodiment, drive component includes transmission shaft, and the first driving section and second pass
Dynamic portion is the thread segment that is co-axially located on transmission shaft and oppositely oriented.
According to the one side of the utility model embodiment, the first shading piece includes first connecting portion, the second shading piece bag
Second connecting portion is included, the first driving section is threadedly coupled with first connecting portion, and the second driving section is threadedly coupled with second connecting portion.
According to the one side of the utility model embodiment, the first shading piece further includes be arranged in first connecting portion
One axle sleeve, the second shading piece further include the second axle sleeve being arranged in second connecting portion, the first axle sleeve and the second axle sleeve respectively with
First driving section and the second driving section are threadedly coupled.
According to the one side of the utility model embodiment, it is spacing that drive component further includes first to be connected with transmission shaft
Part and the second locating part, the first driving section and the second driving section are arranged between the first locating part and the second locating part.
According to the one side of the utility model embodiment, preceding collimater further comprises fixed block, and fixed block is set
Between the first driving section and the second driving section, transmission shaft is rotatably connected with fixed block.
According to the one side of the utility model embodiment, fixed block is included with collimating the vertical through hole that cracks, transmission shaft
Coordinate with via clearance and be rotatably connected each other with realizing.
According to the one side of the utility model embodiment, the first shading piece includes the first bearing and is arranged at first
The first ferrotungsten nickel plate on seat, the second shading piece include the second bearing and the second ferrotungsten nickel plate being arranged on the second bearing,
First driving section is connected with the first bearing, and the second driving section is connected with the second bearing, the first ferrotungsten nickel plate and the second ferrotungsten
Collimation is formed between nickel plate to crack.
According to the one side of the utility model embodiment, drive component is two and is respectively arranged at light shield device edge
Collimate the opposite sides of the extending direction to crack.
The preceding collimater provided according to the utility model embodiment, it includes transportable first shading piece and second and hides
Light part.First shading piece and the second shading are adjusted by the relative position of drive division the first shading piece of adjustment and the second shading piece
The width that the collimation formed between part cracks, to meet the requirement of different scanning thickness, so that the preceding collimation utensil of the present embodiment
Standby versatility, it is no longer necessary to meet the requirement of different scanning thickness by frequently replacing the preceding collimater of different slit widths.Preceding standard
The collimation of straight device cracks, and adjustment process is simple to operation, and raising work efficiency, reduces labor intensity and use cost.
On the other hand, a kind of scanning imagery equipment is provided according to the utility model embodiment, it includes：Fixing bracket with
And it is arranged at the lighting apparatus component on fixing bracket；Collimater before described above, preceding collimater are connected and set with fixing bracket
In going out on light path for lighting apparatus component.
Brief description of the drawings
The feature of the utility model exemplary embodiment, advantage and technique effect described below with reference to the accompanying drawings.
Fig. 1 is the structure diagram of the preceding collimater of one embodiment of the utility model.
Fig. 2 is use state diagram of the preceding collimater of the utility model embodiment in scanning imagery equipment；
Fig. 3 is the partial enlarged view at A in Fig. 2.
In the accompanying drawings, attached drawing is not drawn according to actual ratio.
Embodiment
The embodiment of the utility model is described in further detail with reference to the accompanying drawings and examples.Following embodiments
The detailed description and the accompanying drawings be used to exemplarily illustrate the principle of the utility model, but cannot be used for limiting the model of the utility model
Enclose, i.e., the utility model is not limited to described embodiment.
, it is necessary to which explanation, unless otherwise indicated, " multiple " are meant that two or two in the description of the utility model
More than a；The orientation or position relationship of the instruction such as term " on ", " under ", "left", "right", " interior ", " outer " are for only for ease of and retouch
State the utility model and simplify and describe, rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " first ", " second "
Etc. be only used for description purpose, and it is not intended that instruction or imply relative importance.
In the description of the utility model, it is also necessary to explanation, unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；It can be directly connected, can also be indirectly connected by intermediary.For the ordinary skill in the art,
Visual concrete condition understands concrete meaning of the above-mentioned term in the utility model.
The utility model in order to better understand, the preceding collimater with reference to Fig. 1 and Fig. 3 to the utility model embodiment
It is described in detail.
The structure of collimater 100 before Fig. 1 is schematically showed.As shown in Figure 1, the preceding collimation of the utility model embodiment
Device 100, for scanning imagery equipment, can adjust scanning thickness.There is the preceding collimater 100 of the present embodiment adjustable collimation to open
The structure of slit width is stitched, so as to adjust the width that collimation cracks according to practical situations, changes scanning thickness.In this way,
The preceding collimater 100 of the present embodiment possesses versatility, adaptable, and integrated operation is simple and convenient, improves work efficiency, drop
Low use cost.
The preceding collimater 100 of the utility model embodiment, including light shield device 1 and drive component 2.Scanning imagery equipment
Scanning ray is produced usually using X-ray machine.Preceding collimater 100 is arranged on the path of light propagation, is filtered by light shield device 1
Fall most of light, work is scanned through light shield device 1 to retain effective some light.
The light shield device 1 of the present embodiment includes the first shading piece 11 and the second shading piece 12.First shading piece 11 and second
12 spacing side by side of shading piece is set.Collimation is formed between first shading piece 11 and the second shading piece 12 and cracks 13.What ray machine produced
Light can crack 13 with to being scanned on object to be scanned through collimation.Crack 13 width of collimation can control light to lead to
The dosage crossed, and control scanning thickness.First shading piece 11 and the second shading piece 12 are each independent, can move relative to each other with
Adjustment collimation crack 13 width.
The drive component 2 of the present embodiment includes the first driving section 21, the second driving section 22 and drive division.First driving section
21 are connected with the first shading piece 11.Second driving section 22 is connected with the second shading piece 12.Drive division and the first driving section 21
And second driving section 22 be connected.Drive division drives the first shading piece respectively by the first driving section 21 and the second driving section 22
11 and second shading piece 12 in opposite direction into exercising linear motion close to each other or remote, collimation is adjusted with this and cracks 13
Width.
The preceding collimater 100 of the utility model embodiment, including 11 and second shading piece of transportable first shading piece
12.First shading piece 11 and second is adjusted by the relative position of drive division the first shading piece 11 of adjustment and the second shading piece 12
The collimation formed between shading piece 12 crack 13 width, to meet the requirement of different scanning thickness, so that before the present embodiment
Collimater 100 possesses versatility, it is no longer necessary to meets different scanning thickness by frequently replacing the preceding collimater 100 of different slit widths
The requirement of degree.The collimation of preceding collimater 100 cracks, and 13 adjustment processes are simple to operation, and raising work efficiency, reduces labor intensity
And use cost.
First driving section 21 of the present embodiment and the rotation of the second driving section 22 drive the first shading piece 11 and the second shading piece
12 is close to each other or remote.First driving section 21 includes first rotation.First driving section 21 can surround the first rotation axis
Line rotates.Second driving section 22 includes the second rotation axis.Second driving section 22 can surround the second rotation axis and rotate.First
21 and second driving section 22 of driving section drives the first shading piece 11 and the second shading piece 12 to make respectively by the rotary motion of itself
Linear motion, 100 compact overall structure of collimater before on the one hand can causing, overall volume is small, another aspect high transmission accuracy,
Improve the Adjustment precision for collimating 13 width that crack.In one embodiment, the first driving section 21 and the first shading piece 11, second pass
It is rack pinion between dynamic 22 and second shading piece 12 of portion, alternatively, the first driving section 21 and the first shading piece 11, second pass
It is screw-driven between dynamic 22 and second shading piece 12 of portion.Preferably, the first driving section 21 and the transmission of the first shading piece 11, second
It is screw-driven between 22 and second shading piece 12 of portion.
Alternatively, drive component 2 includes transmission shaft 23.First driving section 21 and the second driving section 22 are to be co-axially located at biography
Thread segment on moving axis 23 and oppositely oriented.First driving section 21 and the second driving section 22 respectively with the first shading piece 11 and
Two shading pieces 12 are threadedly coupled.First rotation and the second rotation axis coincident.First shading piece 11 and the second shading piece 12
Respectively along the axial movement of first rotation or the second rotation axis.First driving section 21 and the first shading piece 11, second pass
It is screw-driven between dynamic 22 and second shading piece 12 of portion.Drive division can drive transmission shaft 23 to rotate, and transmission shaft 23 can be same
When drive the first driving section 21 and the second driving section 22 to rotate.First driving section 21 and the second driving section 22 synchronously drive first
11 and second shading piece 12 of shading piece is for linear motion, improves precision and work efficiency that adjustment collimates 13 width that crack.Spiral shell
The mode of line transmission is simple to operation, and it is low to fabricate difficulty.
In one example, transmission shaft 23 is screw rod.First driving section 21 and the second driving section 22 are coaxial and along screw rod
Axially spaced-apart is set.When first driving section 21 is dextrorotation thread segment, the second driving section 22 is derotation thread segment, alternatively, first passes
When dynamic portion 21 is derotation thread segment, the second driving section 22 is dextrorotation thread segment.When one end by screw rod or middle part are driven
During dynamic screw rod rotation, screw rod drives the first shading piece 11 and the second shading respectively by the first driving section 21 and the second driving section 22
Part 12 is for linear motion along the axial direction of screw rod, with this adjust collimation crack 13 width, it is achieved thereby that collimation cracks 13 width
Stepless changing, the versatility of collimater 100, adaptability and Adjustment precision before raising.
Alternatively, the first shading piece 11 and the second shading piece 12 can be Split type structures, reduce the first shading piece 11 and the
Two shading pieces, 12 overall processing manufacture difficulty.First shading piece 11 and the second shading piece 12 include 111 He of first connecting portion respectively
Second connecting portion 121.First connecting portion 111 and second connecting portion 121 are absolute construction part.First driving section 21 and second passes
Dynamic portion 22 is threadedly coupled with first connecting portion 111 and second connecting portion 121 respectively.
Alternatively, the first shading piece 11 further includes the first axle sleeve 14 being arranged in first connecting portion 111.Second shading piece
12 further include the second axle sleeve 15 being arranged in second connecting portion 121.First axle sleeve 14 and the second axle sleeve 15 are passed with first respectively
Dynamic 21 and second driving section 22 of portion is threadedly coupled.First axle sleeve 14 and the second axle sleeve 15 easily dismount, easy to subsequently carry out maintenance
Or replace related components.
In one example, first connecting portion 111 and second connecting portion 121 are L-type plate.First axle sleeve 14 and the second axle sleeve
15 are respectively arranged on L-type plate.
The drive component 2 of the present embodiment further includes the first locating part 24 and the second locating part being connected with transmission shaft 23
25.First driving section 21 and the second driving section 22 are arranged between the first locating part 24 and the second locating part 25.First locating part
24 and second locating part 25 be respectively used to limitation the first shading piece 11 and the second shading piece 12 moving limit position, avoid first
Shading piece 11 and second shading piece, 12 amount of movements are excessive and are disconnected state with the first driving section 21 and the second driving section 22.The
One locating part 24 and the second locating part 25 can calibrate the maximum for collimating 13 width that crack.
In one example, transmission shaft 23 is screw rod.First locating part 24 and the second locating part 25 are shaft block ring.Spiral shell
Annular groove is provided with bar, facilitates shaft block ring installation to fix.First locating part 24 and the second locating part 25 are along between the axial direction of screw rod
Every setting.When the first shading piece 11 and the second shading piece 12 are in contact with the first locating part 24 and the second locating part 25 respectively
Afterwards, can not be further continued for moving, crack 13 width of collimation is maximum at this time.The collimation of the present embodiment cracks 13 width adjustment models
Enclose for 0mm to 15mm.
The preceding collimater 100 of the present embodiment further includes fixed block 3.Preceding collimater 100 can be convenient fast by the fixed block 3
Fast ground is connected with outer structural parts.Fixed block 3 is arranged between the first driving section 21 and the second driving section 22.Transmission shaft 23 with
Fixed block 3 is rotatably connected, and fixed block 3 can be rotated around transmission shaft 23, easy in the process being connected with outer structural parts
In the position of fixed block 3 is adjusted flexibly, improve assembly precision.
Alternatively, fixed block 3 is included with collimating the 13 vertical through holes that crack.Transmission shaft 23 is inserted into through hole, and between through hole
Gap coordinates to be rotatably connected each other with realizing.Fixed block 3 and the connection mode of transmission shaft 23 are simple and reliable, convenient processing and manufacturing and
Assembling.Screw hole is provided with the outer surface of fixed block 3, easy to directly be connected using screw with outer structural parts.
First shading piece 11 of the present embodiment further include the first bearing 112 and be arranged on the first bearing 112 first
Ferrotungsten nickel plate 113.The first groove is provided with first bearing 112,113 seated connection of the first ferrotungsten nickel plate is in first groove.First
Ferrotungsten nickel plate 113 can be connected fixation by screw and bonding agent with the first bearing 112.Second shading piece 12 includes second
Seat 122 and the second ferrotungsten nickel plate 123 being arranged on the second bearing 122.The second groove is provided with second bearing 122, the
Two ferrotungsten nickel plates, 123 seated connection is in second groove.Second ferrotungsten nickel plate 123 can pass through screw and bonding agent and the second bearing
122 connections are fixed.Collimation is formed between first ferrotungsten nickel plate 113 and the second ferrotungsten nickel plate 123 and cracks 13.Alternatively, first hide
It is platy structure that 11 and second shading piece of light part 12 is overall.
In one example, the first bearing 112 and the second bearing 122 respectively with the first driving section 21 and the second driving section 22
It is connected.Alternatively, the first bearing 112 and the second bearing 122 are connected with first connecting portion 111 and second connecting portion 121 respectively,
First connecting portion 111 and second connecting portion 121 are connected with the first driving section 21 and the second driving section 22 respectively.
The drive component 2 of the present embodiment for two and be respectively arranged at light shield device 1 along collimation crack 13 extension side
To opposite sides.Two drive components 2 adjust collimation and crack 13 jointly, it is possible to increase 11 He of the first shading piece during adjustment
The positional stability of second shading piece 12, while also improve the Adjustment precision for collimating 13 width that crack.Preferably, using driving group
Part 2 drives the first shading piece 11 and the second shading piece 12 to be synchronized with the movement.
Fig. 2 schematically shows the partial structurtes of scanning imagery equipment.With reference to Fig. 2 and Fig. 3, the utility model embodiment
A kind of scanning imagery equipment is also provided.Scanning imagery equipment include fixing bracket, the lighting apparatus component 4 that is arranged on fixing bracket with
And the preceding collimater 100 of above-described embodiment.Lighting apparatus component 4 is connected and fixed on exterior installation base surface by fixing bracket.Ray machine
Component 4 includes optical generator, such as X-ray machine.Preceding collimater 100 is connected with fixing bracket and is arranged at going out for lighting apparatus component 4
On light path.Since the collimation of preceding collimater 100 13 width that crack can be adjusted accordingly according to actual needs, sweep
It is adaptable to retouch imaging device, versatility is good.
In one example, preceding collimater 100 is connected by fixed block 3 with fixing bracket.It is provided with fixing bracket
Horizontal card slot, fixed block 3 the horizontal card slot of insertion and are connected by screw fixation in the horizontal direction.
Although the present utility model has been described by reference to the preferred embodiments, but the model of the utility model is not being departed from
In the case of enclosing, various improvement can be carried out to it and component therein can be replaced with equivalent.Especially, as long as not depositing
In structural conflict, items technical characteristic mentioned in the various embodiments can be combined in any way.The utility model
It is not limited to specific embodiment disclosed herein, but all technical solutions including falling within the scope of the appended claims.
Claims (11)
- A kind of 1. preceding collimater, for scanning imagery equipment, it is characterised in that including：Light shield device, including the first shading piece and the second shading piece with the first shading piece spacing side by side setting, it is described Collimation is formed between first shading piece and second shading piece to crack；Drive component, including be connected with first shading piece the first driving section, be connected with second shading piece Second driving section and the drive division being connected with first driving section and the second driving section；The drive division drives first shading piece and the second shading respectively by first driving section and the second driving section Part is in opposite direction into linear motion close to each other or remote is exercised, to adjust the width that the collimation cracks.
- 2. preceding collimater according to claim 1, it is characterised in that first driving section and second driving section rotation Turn to drive first shading piece and the second shading piece close to each other or remote.
- 3. preceding collimater according to claim 2, it is characterised in that the driving component includes transmission shaft, and described first Driving section and second driving section are the thread segment that is co-axially located on the transmission shaft and oppositely oriented.
- 4. preceding collimater according to claim 3, it is characterised in that first shading piece includes first connecting portion, institute Stating the second shading piece includes second connecting portion, and first driving section is threadedly coupled with the first connecting portion, and described second passes Dynamic portion is threadedly coupled with the second connecting portion.
- 5. preceding collimater according to claim 4, it is characterised in that first shading piece, which further includes, is arranged at described The first axle sleeve on one connecting portion, second shading piece further include the second axle sleeve being arranged in the second connecting portion, institute The first axle sleeve and the second axle sleeve is stated to be threadedly coupled with first driving section and the second driving section respectively.
- 6. according to collimater before claim 3 to 5 any one of them, it is characterised in that the driving component further includes and institute The first locating part and the second locating part that transmission shaft is connected are stated, first driving section and the second driving section are arranged at described Between first locating part and the second locating part.
- 7. according to collimater before claim 3 to 5 any one of them, it is characterised in that further comprise fixed block, it is described Fixed block is arranged between first driving section and the second driving section, and the transmission shaft is rotatably connected with the fixed block.
- 8. preceding collimater according to claim 7, it is characterised in that the fixed block includes cracking with the collimation vertical Through hole, the transmission shaft and the via clearance coordinate to be rotatably connected each other with realizing.
- 9. preceding collimater according to any one of claims 1 to 5, it is characterised in that first shading piece includes first Bearing and the first ferrotungsten nickel plate being arranged on first bearing, second shading piece include the second bearing and setting In the second ferrotungsten nickel plate on second bearing, first driving section is connected with first bearing, and described second passes Dynamic portion is connected with second bearing, and the collimation is formed between the first ferrotungsten nickel plate and the second ferrotungsten nickel plate and is cracked.
- 10. preceding collimater according to any one of claims 1 to 5, it is characterised in that the driving component for two and It is respectively arranged at opposite sides of the light shield device along the extending direction for collimating and cracking.
- A kind of 11. scanning imagery equipment, it is characterised in that including：Fixing bracket and the lighting apparatus component being arranged on the fixing bracket；Such as collimater before claims 1 to 10 any one of them, the preceding collimater is connected and sets with the fixing bracket It is placed in the going out on light path of the lighting apparatus component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721396358.6U CN207351928U (en) | 2017-10-25 | 2017-10-25 | Preceding collimater and scanning imagery equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721396358.6U CN207351928U (en) | 2017-10-25 | 2017-10-25 | Preceding collimater and scanning imagery equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207351928U true CN207351928U (en) | 2018-05-11 |
Family
ID=62356213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721396358.6U Expired - Fee Related CN207351928U (en) | 2017-10-25 | 2017-10-25 | Preceding collimater and scanning imagery equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207351928U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2023035789A1 (en) * | 2021-09-09 | 2023-03-16 | 同方威视技术股份有限公司 | Ray collimation device and radiation inspection device |
-
2017
- 2017-10-25 CN CN201721396358.6U patent/CN207351928U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2023035789A1 (en) * | 2021-09-09 | 2023-03-16 | 同方威视技术股份有限公司 | Ray collimation device and radiation inspection device |
| GB2625957A (en) * | 2021-09-09 | 2024-07-03 | Nuctech Co Ltd | Ray collimation device and radiation inspection device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20201025 |
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| CF01 | Termination of patent right due to non-payment of annual fee |