CN104297809B - X-ray back scattering human-body safety scanner - Google Patents
X-ray back scattering human-body safety scanner Download PDFInfo
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- CN104297809B CN104297809B CN201410624639.7A CN201410624639A CN104297809B CN 104297809 B CN104297809 B CN 104297809B CN 201410624639 A CN201410624639 A CN 201410624639A CN 104297809 B CN104297809 B CN 104297809B
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Abstract
The present invention relates to a kind of X-ray back scattering human-body safety scanner, including chassis, column, scanning platform, electrical arrangement frame, power distribution cabinet, flying-spot scanner mechanism, signal sensor, swing mechanism；Two columns are respectively head tree and secondary column, and head tree and secondary column are symmetrically mounted on chassis, and cant board, elevating mechanism of the head tree provided with driving cant board oscilaltion are provided with the inside of head tree；Cant board connects to be additionally provided with swing mechanism, cant board by support shaft is connected with secondary column link, and secondary column is provided with secondary balance weight mechanism；Power distribution cabinet is installed in the outside of secondary column.Using above-mentioned technical proposal so that structure of the present invention is compacter, the overall volume size of scanner is reduced, floor space and overall weight is reduced；The present invention is swung up and down, the scope of scanning expands significantly, in addition the cooperation of major-minor column while horizontal lifting, improves the stability of operation, is reduced the stress of leading screw, is improved the durability of equipment.
Description
Technical field
It is more particularly to a kind of for safety of the public place to human body the invention belongs to radiation safety detection technique field
Detection, when by security check passage, various metals that can be below quick detection people's clothes entrained by body surface and nonmetallic violated
The X-ray back scattering human-body safety scanner of product.
Background technology
X-ray back scattering human-body safety scanner is to be based on compton backscattering image-forming principle, equipment utilization X-ray and
The free electron of the incoherent scattering effect that matter interaction occurs, incident x-ray photons and tested substance collides,
The portion of energy of photon is transmitted to free electron and makes recoil electron, and its own off-energy simultaneously changes direction as scattered light
Son, the special scattering detector of equipment collects the x-ray photon of detected material scattering, generates the scattered x-ray image of checking matter.
Due to X-ray Compton back scattering tomography can highlight by low-Z element constitute containing rich
Rich carbon, hydrogen, oxygen, nitrogen composition, density have larger material, particularly very effective to detection thin layer shape dangerous substance, so can
Detect the nonmetallic contrabands such as sintex, plastic bomb, explosive and drugs that human body is carried.
Back scattering X-ray detection device is using flying-spot scanner image-forming principle within the unit interval, and checking matter, which only has, a little to be connect
By radiation exposure, the single of equipment checks that dosage and leakage agent dose rate are extremely low, and typically 1/10th of legacy equipment are even more
It is low, to human body fanout free region.
Back scattering X-ray check equipment detector and X-ray emission source be located at the same side so that equipment it is simple for structure
It is compact, the hidden inspection to detected material can be implemented.
In the case where ray energy can not penetrate detected material, back scattering X-ray detection device can be implemented to checking matter
Bilateral is checked, full figure is obtained within the shortest time, convenient and swift.
Current X-ray security scanner is that flying-spot scanner is divided into horizontal sweep using flying-spot scanner mechanism and swept vertically
Retouch bidimensional module, but the existing defects during vertical sweep, due to the height limitation of scanner, i.e., scanning often occurs
Insufficient height, while dead band also occurs in the bottom of scanning, also just saying when insufficient height just can not be to the head of scanned person
Portion and foot are scanned, in order to solve drawbacks described above, and way general at present is extended in the short transverse by scanner, together
Shi Peihe scanning person's standing platforms, can so carry out the scanning of whole body, and the defect existed using this technical scheme is exactly big
The volume of scanner is increased greatly, while also increasing manufacturing cost, cost of transportation etc.；In addition, some scanner increase flying spots
Sweep mechanism swings up and down certain angle in scanning process, the whole height of reduction scanner that so can be suitably, but
It is that still can not thoroughly solve.
The content of the invention
The present invention for solution known technology present in technical problem a kind of small volume is provided, it is stable, carry significantly
High linear scanning range, it is ensured that the X-ray back scattering human-body safety scanner of scanning linearity.
The present invention is adopted the technical scheme that to solve technical problem present in known technology：
A kind of X-ray back scattering human-body safety scanner, including chassis, column, scanning platform, electrical arrangement frame, distribution
Driving is connected with cabinet and flying-spot scanner mechanism and signal sensor on surface sweeping platform, described scanning platform to fly
The swing mechanism that spot scan mechanism is swung up and down；It is characterized in that：The column is provided with two, and two columns are respectively head tree
With secondary column, head tree and secondary column are respectively symmetrically arranged on chassis by fastener, are provided with the inside of the head tree
Cant board, elevating mechanism of the head tree provided with driving cant board oscilaltion；Cant board is connected by support shaft and swung
It is additionally provided with mechanism, the cant board and is connected with secondary column link, the secondary column is provided with secondary balance weight mechanism；In secondary column
Outside power distribution cabinet is installed, the elevating mechanism, which includes being arranged on the inside of head tree, is provided with first straight line guide rail, the cant board
Upper correspondence first straight line guide rail position is fitted with the first straight line sliding block slided up and down along line slideway, described cant board connection
There is the drive device that driving cant board is slided up and down along first straight line guide rail, the drive device mainly includes motor, subtracted
Fast machine, leading screw and the feed screw nut coordinated with leading screw, wherein the motor and reductor are located at the top of head tree, institute
The output end driving leading screw of reductor is stated, described feed screw nut is packed on cant board, and the leading screw is vertically mounted on main vertical
On post, it is correspondingly provided with upper limit travel switch respectively in the upper and lower end of first straight line guide rail and lower limit stroke is opened
Close.
The present invention can also use following technical measures：
The anglec of rotation for the swing mechanism that the driving flying-spot scanner mechanism is swung up and down is -60 °~60 °.
The swing mechanism includes the swing riser of connection flying-spot scanner mechanism, and the swing riser is installed by support shaft
On cant board, the lower end connection scanning platform for swinging riser；Wobble gear, the pendulum are installed on the swing riser
Moving gear engages transition gear, and the transition gear engages driving wheel, and the driving wheel connects reductor, reductor connection driving
Motor, motor and the reductor connection is arranged on cant board.
Be additionally provided with main balance weight mechanism on the head tree, the main balance weight mechanism mainly include leading wheel support, capstan,
Leading chain and main balancing weight, wherein described leading wheel support is fixedly mounted on the top of head tree, dominates and pacify on wheel support
Equipped with two capstans, leading chain is fitted with the capstan, in the end connecting side of the inner side of the head tree leading chain
Riser, in the outside of head tree, the end of the leading chain connects main balancing weight；In the main balancing weight position of the outside correspondence of head tree
Second straight line guide rail is installed, the main balancing weight is provided with the second straight line sliding block coordinated with second straight line guide rail.
The secondary balance weight mechanism mainly includes the secondary guide chain on auxiliary connection column link, and the secondary guide chain is engaged on pair and led
On wheel, the secondary guide wheel is arranged on secondary wheel bracket, the end auxiliary connection balancing weight of the secondary guide chain in the outside of secondary column；
The 3rd line slideway is provided with the secondary balancing weight position of outside correspondence of secondary column, the secondary balancing weight is provided with and led with the 3rd straight line
The 3rd linear slider that rail coordinates.
The above-mentioned electrical arrangement frame of installation is hinged on rear side of the power distribution cabinet.
The present invention has the advantages and positive effects of：Because the present invention uses above-mentioned technical proposal so that present invention knot
Structure is compacter, reduces the overall volume and weight of scanner；Swing mechanism and the elevating mechanism synchronous operation of the present invention, i.e.,
While horizontal lifting, swing up and down, so considerably increase the scanning range of scanner, while shortening scanner
The time of single sweep operation；The balance weight mechanism set up in addition improves the stability of scanner operation, reduces the stress of leading screw, improves
The durability of equipment, while ensure that scanning linearity.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is Fig. 1 left view；
Fig. 3 is A direction views in Fig. 1；
Fig. 4 is B direction views in Fig. 1；
Fig. 5 is C direction views in Fig. 1；
Fig. 6 is D direction views in Fig. 1.
In figure：1st, chassis；2nd, column；3rd, electrical arrangement frame；4th, power distribution cabinet；5th, surface sweeping platform；6th, flying-spot scanner mechanism；7、
Swing mechanism；7-1, swing riser；7-2, support shaft；7-3, wobble gear；7-4, transition gear；7-5, driving wheel；7-6, subtract
Fast machine；7-7, motor；8th, head tree；8-1, cant board；9th, secondary column；10th, elevating mechanism；10-1, first straight line guide rail；
10-2, first straight line sliding block；10-3, drive device；10-30, motor；10-31, reductor；10-32, leading screw；10-33、
Feed screw nut；10-4, upper limit travel switch；10-5, lower limit travel switch；11st, secondary column link；12nd, secondary counter weight machine
Structure；12-1, secondary guide chain；12-2, secondary guide wheel；12-3, secondary wheel bracket；12-4, secondary balancing weight；12-5, the 3rd line slideway；
12-6, the 3rd linear slider；13rd, main balance weight mechanism；13-1, leading wheel support；13-2, capstan；13-3, leading chain；13-4、
Main balancing weight；13-5, second straight line guide rail；13-6, second straight line sliding block, 14, signal sensor.
Embodiment
In order to further understand the content, features and effects of the present invention, especially exemplified by following examples, and coordinate accompanying drawing
Describe in detail as follows：
Fig. 1 is referred to Fig. 6, a kind of X-ray back scattering human-body safety scanner, including chassis 1, column 2, electrical arrangement
Frame 3, power distribution cabinet 4, surface sweeping platform 5 and flying-spot scanner mechanism 6 and signal sensor 14 on surface sweeping platform, it is described
The swing mechanism 7 that driving flying-spot scanner mechanism is swung up and down is connected with scanning platform；The column is provided with two, two columns
Respectively head tree 8 and secondary column 9, head tree and secondary column are respectively symmetrically arranged on chassis 1 by fastener, in the master
Cant board 8-1, elevating mechanism 10 of the head tree provided with driving cant board 8-1 oscilaltions are installed on the inside of column；Side
Riser 8-1 connects to be additionally provided with swing mechanism 7, the cant board 8-1 by support shaft is connected with secondary column link 11, described
Secondary column is provided with secondary balance weight mechanism 12；The secondary balance weight mechanism mainly mitigates leading screw load, improves the stability of equipment operation.
Power distribution cabinet 4 is installed in the outside of secondary column 9.
The anglec of rotation for the swing mechanism 7 that the driving flying-spot scanner mechanism is swung up and down is -60 °~60 °.
The elevating mechanism 10, which includes being arranged on the inside of head tree, is provided with first straight line guide rail 10-1, the cant board 8-1
Upper correspondence first straight line guide rail position is fitted with the first straight line sliding block 10-2 slided up and down along line slideway, described cant board
8-1 is connected with the drive device 10-3 that driving cant board 8-1 is slided up and down along first straight line guide rail, and the drive device is mainly wrapped
Motor 10-30, reductor 10-31, leading screw 10-32 and the feed screw nut 10-33 coordinated with leading screw are included, wherein described drive
Dynamic motor 10-30 and reductor 10-31 is located at the top of head tree 8, the output end driving leading screw 10- of the reductor 10-31
32, described feed screw nut 10-33 is packed on cant board 8-1, and the leading screw is vertically mounted on head tree 8, straight first
The upper and lower end of line guide rail is correspondingly provided with upper limit travel switch 10-4 and lower limit travel switch 10-5 respectively.
The swing mechanism 7 includes the swing riser 7-1 of connection flying-spot scanner mechanism 6, and the swing riser passes through support
Axle 7-2 is arranged on cant board 8-1, the lower end connection scanning platform 5 for swinging riser 7-1；Installed on the swing riser
There is wobble gear 7-3, the wobble gear engagement transition gear 7-4, the transition gear engages driving wheel 7-5, the driving
Wheel connection reductor 7-6, reductor connection motor 7-7, motor and the reductor connection is arranged on cant board 8-1
On.
Main balance weight mechanism 13 is additionally provided with the head tree, the balance weight mechanism mainly mitigates leading screw load, improves equipment fortune
Capable stability；The main balance weight mechanism 13 mainly includes leading wheel support 13-1, capstan 13-2, leading chain 13-3 and master
Balancing weight 13-4, wherein described leading wheel support 13-1 is fixedly mounted on the top of head tree 8, dominates and pacifies on wheel support 13-1
Equipped with two capstan 13-2, leading chain 13-3 is fitted with the capstan, in the inner side of the head tree 8 leading chain 13-3
End connection cant board 8-1, in the outside of head tree 8, the end of the leading chain 13-3 connects main balancing weight 13-4；In master
The outside main balancing weight position of correspondence of column provided with second straight line guide rail 13-5, the main balancing weight 13-4 be provided with it is second straight
The second straight line sliding block 13-6 that line guide rail coordinates.
The secondary balance weight mechanism 12 is mainly including the secondary guide chain 12-1 on auxiliary connection column link 11, and the secondary guide chain is nibbled
Close on secondary guide wheel 12-2, the secondary guide wheel 12-2 is arranged on secondary wheel bracket 12-3, is led in the outside pair of secondary column 9
Chain 12-1 end auxiliary connection balancing weight 12-4；The 3rd line slideway is provided with the secondary balancing weight position of outside correspondence of secondary column
12-5, the secondary balancing weight is provided with the 3rd linear slider 12-6 coordinated with the 3rd line slideway.
The rear side of the power distribution cabinet 4 is hinged installation electrical arrangement frame 3, and the volume that so can further reduce power distribution cabinet is big
It is small, improve integral space utilization ratio.
Using above-mentioned technical proposal so that structure of the present invention is compacter, the overall volume and weight of scanner are reduced；
Swing mechanism and the elevating mechanism synchronous operation of the present invention, i.e., while horizontal lifting, swing up and down, so increase
The scanning range of scanner is added, while shortening the time of scanner single sweep operation；The balance weight mechanism set up in addition is improved
The stability of scanner operation, reduces the stress of leading screw, the durability of equipment is improved, while ensure that scanning linearity.
It is described above to be only the preferred embodiments of the present invention, any formal limitation not is made to the present invention,
Every technical spirit according to the present invention is belonged to any simple modification made for any of the above embodiments, equivalent variations and modification
In the range of technical solution of the present invention.
Claims (6)
1. a kind of X-ray back scattering human-body safety scanner, including chassis, column, scanning platform, electrical arrangement frame, power distribution cabinet
And flying-spot scanner mechanism and signal sensor on surface sweeping platform, driving flying spot is connected with described scanning platform
The swing mechanism that sweep mechanism is swung up and down；It is characterized in that：The column be provided with two, two columns be respectively head tree and
Secondary column, head tree and secondary column are respectively symmetrically arranged on chassis by fastener, and side is provided with the inside of the head tree
Riser, elevating mechanism of the head tree provided with driving cant board oscilaltion；Cant board connects oscillating machine by support shaft
It is additionally provided with structure, the cant board and is connected with secondary column link, the secondary column is provided with secondary balance weight mechanism；In secondary column
Outside is installed by power distribution cabinet；It is right on first straight line guide rail on the inside of head tree, the cant board that the elevating mechanism includes being arranged on
First straight line guide rail position is answered to be fitted with the first straight line sliding block slided up and down along line slideway, described cant board is connected with drive
The drive device that dynamic cant board is slided up and down along first straight line guide rail, the drive device mainly include motor, reductor,
Leading screw and the feed screw nut coordinated with leading screw, wherein the motor and reductor are located at the top of head tree, it is described to subtract
The output end driving leading screw of fast machine, described feed screw nut is packed on cant board, and the leading screw is vertically mounted on head tree,
Upper limit travel switch and lower limit travel switch are correspondingly provided with respectively in the upper and lower end of first straight line guide rail.
2. X-ray back scattering human-body safety scanner according to claim 1, it is characterised in that：The driving flying spot is swept
The anglec of rotation for retouching the swing mechanism that mechanism is swung up and down is -60 °~60 °.
3. X-ray back scattering human-body safety scanner according to claim 1, it is characterised in that：The swing mechanism bag
The swing riser of connection flying-spot scanner mechanism is included, the swing riser is arranged on cant board by support shaft, it is described to swing vertical
The lower end connection scanning platform of plate；Wobble gear is installed, the wobble gear engages transition gear, institute on the swing riser
State transition gear engagement driving wheel, the driving wheel connects reductor, reductor connection motor, the motor and subtract
Fast machine connection is arranged on cant board.
4. X-ray back scattering human-body safety scanner according to claim 1, it is characterised in that：On the head tree also
Provided with main balance weight mechanism, the main balance weight mechanism mainly includes leading wheel support, capstan, leading chain and main balancing weight, its
Described in leading wheel support be fixedly mounted on the top of head tree, leading wheel support two capstans, the master be installed
Leading chain is fitted with guide wheel, the end connection cant board of the leading chain in the inner side of head tree, in the outside institute of head tree
The end for stating leading chain connects main balancing weight；Second straight line guide rail, institute are provided with the outside main balancing weight position of correspondence of head tree
State main balancing weight and be provided with the second straight line sliding block coordinated with second straight line guide rail.
5. X-ray back scattering human-body safety scanner according to claim 1, it is characterised in that：The secondary balance weight mechanism
The main secondary guide chain including on auxiliary connection column link, the secondary guide chain is engaged on secondary guide wheel, and the secondary guide wheel is arranged on
On secondary wheel bracket, the end auxiliary connection balancing weight of the secondary guide chain in the outside of secondary column；It is secondary in the outside correspondence of secondary column
Balancing weight position is provided with the 3rd line slideway, and the secondary balancing weight is provided with the 3rd straight line coordinated with the 3rd line slideway and slided
Block.
6. according to any described X-ray back scattering human-body safety scanner of claim 1 to 5, it is characterised in that：The distribution
The above-mentioned electrical arrangement frame of installation is hinged on rear side of cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410624639.7A CN104297809B (en) | 2014-11-07 | 2014-11-07 | X-ray back scattering human-body safety scanner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410624639.7A CN104297809B (en) | 2014-11-07 | 2014-11-07 | X-ray back scattering human-body safety scanner |
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| CN104297809A CN104297809A (en) | 2015-01-21 |
| CN104297809B true CN104297809B (en) | 2017-09-12 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202275161U (en) * | 2011-10-20 | 2012-06-13 | 天津重方科技有限公司 | Device for widening linear scanning range of ray |
| CN203433126U (en) * | 2013-06-26 | 2014-02-12 | 深圳黎明镒清图像技术有限公司 | Lifting full body perspective security inspection device |
| CN103913474A (en) * | 2014-03-27 | 2014-07-09 | 桂林市南方检测有限责任公司 | Steel large vertical storage tank X ray automatic detection equipment |
| CN204228975U (en) * | 2014-11-07 | 2015-03-25 | 天津重方科技有限公司 | X ray backward scattering human-body safety scanner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1181336C (en) * | 2002-10-16 | 2004-12-22 | 清华大学 | Movable vehicle container checking systems |
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2014
- 2014-11-07 CN CN201410624639.7A patent/CN104297809B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202275161U (en) * | 2011-10-20 | 2012-06-13 | 天津重方科技有限公司 | Device for widening linear scanning range of ray |
| CN203433126U (en) * | 2013-06-26 | 2014-02-12 | 深圳黎明镒清图像技术有限公司 | Lifting full body perspective security inspection device |
| CN103913474A (en) * | 2014-03-27 | 2014-07-09 | 桂林市南方检测有限责任公司 | Steel large vertical storage tank X ray automatic detection equipment |
| CN204228975U (en) * | 2014-11-07 | 2015-03-25 | 天津重方科技有限公司 | X ray backward scattering human-body safety scanner |
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| Publication number | Publication date |
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| CN104297809A (en) | 2015-01-21 |
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