CN208926403U - CT examination system - Google Patents
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- CN208926403U CN208926403U CN201820685162.7U CN201820685162U CN208926403U CN 208926403 U CN208926403 U CN 208926403U CN 201820685162 U CN201820685162 U CN 201820685162U CN 208926403 U CN208926403 U CN 208926403U
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- 238000001514 detection method Methods 0.000 claims abstract description 34
- 230000005855 radiation Effects 0.000 claims abstract description 20
- 230000010355 oscillation Effects 0.000 claims abstract description 9
- 230000013011 mating Effects 0.000 claims description 3
- 230000002285 radioactive effect Effects 0.000 claims description 2
- 238000010408 sweeping Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 12
- 230000006641 stabilisation Effects 0.000 abstract description 12
- 238000011105 stabilization Methods 0.000 abstract description 12
- 238000007689 inspection Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001173 tumoral effect Effects 0.000 description 1
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Abstract
The utility model relates to CT detection technique field, in particular to a kind of CT examination system.CT examination system provided by the utility model, including runing rest, scanning element and rotation drive device, the rotary drive unit of rotation drive device includes supporting beam and two actuations with driving wheel, supporting beam is swingably arranged, the two sides in supporting beam and being located at supporting beam oscillation center are arranged in two actuations, by driving runing rest rotation to rotate scanning element when driving wheel rotates.In the present invention, swingable supporting beam can by swinging, by load, from trend, another be distributed when an institute in two actuations for being located at its oscillation center two sides is loaded larger, each actuation is enabled more balancedly to undertake pressure, therefore, it can be realized the more stable rotation process of runing rest, to effectively improve the rotational stabilization of the radiation source device and detection device that are driven rotation by runing rest.
Description
Technical field
The utility model relates to CT detection technique field, in particular to a kind of CT examination system.
Background technique
In addition to being applied to medical field, CT examination system is also extensively used for the technical fields such as Articles detecting, and not
Only it is able to detect the smaller articles such as row packet and aviation case, additionally it is possible to detect the large articles such as container and vehicle.When work, CT inspection
Look into system using it generate the radioactive source of high energy X ray and can receive detection device across object X-ray to be checked to object to be checked into
Row scanning, changes according to X-ray intensity, to reflect object Density Distribution variation to be checked, and transmitted intensity variation is converted into image
Gray scale obtains the fluoroscopy images of object to be checked.
Existing CT examination system, radiating source device and detection device can be usually arranged with rotating synchronously, and rotate
Object to be checked is scanned in the process.However, existing CT examination system, radiates the spin stabilization of source device and detection device
Property it is poor, not only influence the service life of each structure member of CT examination system, while having an effect on picture quality.
Utility model content
A technical problem to be solved in the utility model is: improving the radiation source device and detection dress of CT examination system
The rotational stabilization set.
In order to solve the above-mentioned technical problem, the utility model provides a kind of CT examination system comprising:
Runing rest；
Scanning element is arranged on runing rest and including radiation source device and the corresponding detection device arranged；With
Rotation drive device, including rotary drive unit, rotary drive unit include that supporting beam and two have driving wheel
Actuation, supporting beam is swingably arranged, and two actuations, which are arranged in supporting beam and are located at supporting beam, to be swung
The two sides at center, by driving runing rest rotation to rotate scanning element when driving wheel rotates.
Optionally, driving wheel is friction pulley, and driving wheel makes to rotate and applying frictional force to runing rest in rotation
Holder pivots.
Optionally, runing rest includes rack body and swing-around trajectory, and swing-around trajectory is arranged on rack body, and at least one
A rotary drive unit is correspondingly arranged with swing-around trajectory, and driving wheel is made and applying frictional force to swing-around trajectory in rotation
Runing rest rotation.
Optionally, two rotary drive units are arranged in below swing-around trajectory and are located at the two of runing rest pivot center
Side.
Optionally, CT examination system include two swing-around trajectories, two swing-around trajectories along runing rest pivot center
Successively interval setting.
Optionally, driving wheel is gear, and runing rest is equipped with the gear ring engaged with driving wheel, in driving wheel and gear ring
Under mating reaction, driving wheel is able to drive runing rest rotation when rotating.
Optionally, rotary drive unit further includes power device, and power device is drivingly connected simultaneously with two actuations
For driving the driving wheel of two actuations to rotate.
Optionally, CT examination system further includes location structure, and location structure is for turning runing rest in runing rest
Shaft line is positioned on direction.
Optionally, detection device is in the arc centered on radiating source device.
Optionally, CT examination system includes two scanning elements, and rotation branch is arranged in two scanning elements at each interval
On frame.
In the present invention, swingable supporting beam can be in two actuations for being located at its oscillation center two sides
In one institute it is loaded larger when by swing by load from trend another distribution, enable each actuation more
Pressure is balancedly undertaken, therefore, can be realized the more stable rotation process of runing rest, to effectively improve by runing rest band
The rotational stabilization of turn dynamic radiation source device and detection device.
By the way that the exemplary embodiment of the utility model is described in detail referring to the drawings, the utility model its
Its feature and its advantage will become apparent.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 shows the schematic view of the front view of the CT examination device of an embodiment of the present invention.
The side structure schematic view of Fig. 2 diagram 1.
In figure:
1, source device is radiated；2, detection device；3, runing rest；31, rack body；
32, swing-around trajectory；4, runner；5, supporting beam；6, support base；7, motor；8, location structure；A, oscillation center.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
There is every other embodiment obtained under the premise of carrying out creative work, fall within the protection scope of the utility model.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
In the description of the present invention, it should be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or positional relationship be normally based on orientation or position shown in the drawings
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, in the absence of explanation to the contrary, these nouns of locality
Do not indicate that and imply that signified device or element must have a particular orientation or be constructed and operated in a specific orientation, because
This should not be understood as the limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to the wheel relative to each component itself
Wide is inside and outside.
In the description of the present invention, it should be understood that limiting zero using the words such as " first ", " second "
Part, it is only for convenient for distinguishing to corresponding components, there is no Stated otherwise such as, above-mentioned word there is no particular meaning,
Therefore it should not be understood as the limitation to scope of protection of the utility model.
Fig. 1-2 shows one embodiment of the utility model CT examination system.Referring to Fig.1-2, the utility model is mentioned
The CT examination system of confession, comprising:
Runing rest 3；
Scanning element is arranged on runing rest 3 and including radiation source device 1 and the corresponding detection device 2 arranged；With
Rotation drive device, including rotary drive unit, rotary drive unit include that supporting beam 5 and two have driving
The actuation of wheel 4, supporting beam 5 are swingably arranged, and two actuations are arranged in supporting beam 5 and are located at supporting beam
The two sides of 5 oscillation centers, by driving the rotation of runing rest 3 to rotate scanning element when driving wheel 4 rotates.
The utility model will radiate source device 1 and detection device 2 is set as being driven by same runing rest 3 and rotate, rotation
Synchronism is easier to ensure that, also, the utility model utilizes two wheel drives positioned at swingable 5 oscillation center two sides of supporting beam
Mechanism drives runing rest 3 to rotate, since supporting beam 5 can pass through swing when actuation institute is loaded larger
Load is distributed from another actuation of trend, each actuation is enabled more balancedly to undertake load, therefore,
Runing rest 3 can be made more stably to rotate, effectively improve radiation source device 1 and 2 rotational stabilization of detection device, this is conducive to
Improve the picture quality of CT examination system, promote detection accuracy, is also beneficial to extend making for each structure member of CT examination system
Use the service life.
In the present invention, the driving wheel 4 of actuation can be gear, in this case, can be in rotation branch
Gear ring for engaging with driving wheel 4 is set on frame 3, so that can be realized rotation under the mating reaction of driving wheel 4 and gear ring
The rotation of bracket 3 and scanning element；Alternatively, the driving wheel 4 of actuation can not also use gear, and friction pulley is used,
In this case, driving wheel 4 can be such that runing rest 3 rotates and applying frictional force to runing rest 3 in rotation, realize
Friction-driven process.Wherein, relative to driving wheel 4 be gear the case where, driving wheel 4 be friction pulley when, may be implemented rotation branch
The rotation start-up of frame 3 and scanning element, wear-out failure due to staring torque is excessive when effectivelying prevent gear drive.
The runing rest 3 of the utility model may include rack body 31, which can be set to annulus
Shape, the radiation source device 1 of scanning element of being on the one hand more convenient for and detection device 2 it is positioned opposite, on the other hand be also more convenient for revolving
Turn control.When driving wheel 4 is set as friction pulley as previously described, driving wheel 4 can be contacted directly with rack body 31, by
Frictional force directly is applied to rack body 31 when rotation, rotate runing rest 3；Alternatively, can also be on rack body 31
Swing-around trajectory 32 is further set, contacts driving wheel 4 no longer directly with rack body 31, but is contacted with swing-around trajectory 32,
By applying frictional force to swing-around trajectory 32 in rotation, rotate runing rest 3.It, can be with by the way that swing-around trajectory 32 is arranged
Reduce the abrasion to rack body 31.Swing-around trajectory 32 can be made of the special material through Overheating Treatment, strong to improve it
Degree, hardness and wearability.
In the present invention, the quantity of swing-around trajectory 32 can be one, or two or more.Wherein, when
When swing-around trajectory 32 is two, the two swing-around trajectories 32 can successively be spaced setting along the pivot center of runing rest 31,
Two-orbit support construction is formed, makes it possible to realize the support more stable to rack body 31 based on relatively simple structure, and
Convenient for being located at the center of gravity of the rotating part of CT examination system between two swing-around trajectories 32, enhance operation stability.As it can be seen that setting
Two-orbit support construction is set, the rotational stabilization of CT examination system can be further increased based on relatively simple structure, is convenient for
Obtain more stable clearly image.
In addition, corresponding each swing-around trajectory 32, the quantity of rotary drive unit can for one, it is two or more, wherein
Preferably two, and preferably two rotary drive units are arranged below swing-around trajectory 32, and make two rotary drive units
Positioned at the two sides of 3 pivot center of runing rest, in this way, not only rotation drive device can drive 3 turns of runing rest more stablely
It is dynamic, and rotary drive unit can also play stable supporting role, the structure of Contrast-Enhanced CT and Tumoral system to runing rest 3
Stability.
The utility model is further explained below with reference to embodiment shown in Fig. 1-2.
As shown in Figs. 1-2, in this embodiment, CT examination system includes scanning element, runing rest 3 and rotation driving dress
It sets, scanning element is arranged on runing rest 3, and under the driving effect of rotation drive device, with 3 turns of runing rest
It is dynamic.
Wherein, runing rest 3 is used to provide installation base body for scanning element, and for driving scanning element to rotate, with reality
Now to the rotary scanning of object to be checked.By Fig. 1 and Fig. 2 it is found that the runing rest 3 of the embodiment includes rack body 31 and two rotations
Transition road 32.Rack body 31 is annular in shape, and center axis thereof forms the pivot center of runing rest 3, and its inner space shape
Pass through channel at object to be checked.And two swing-around trajectories 32 are then fixed on the outer surface of rack body 31, are correspondingly also in annulus
Type, and be successively spaced along the central axis of rack body 31 successively arranged for interval, namely along the pivot center of runing rest 3
Arrangement.Based on this, runing rest 3 is double-rail configuration, convenient for cooperating with driving device, realizes more stable rotary course.
Scanning element is for being scanned object to be checked comprising radiation source device 1 and detection device 2.Radiate source device 1
For generating the X-ray for penetrating object to be checked, X ray machine or accelerator can be used.Detection device 2 for receive across to
The X-ray of object is examined, and received X-ray is converted into the electric signal for record, so that the imaging of CT examination system fills
It sets and generates the use of CT image, it can be using using detector array architecture.
As shown in Figure 1, the CT examination system of the embodiment includes two scanning elements, and the two scanning elements are to each other
Be set on runing rest 3 every ground, specifically, the two scanning elements along runing rest 3 circumferentially-spaced arrangement, that is, this
Two scanning elements are angularly set on runing rest 3.The case where relative to a scanning element is only arranged, it is arranged two
Scanning element is advantageous in that, can disposably complete the scanning to object different angle to be checked, and checking process is more efficient, is checked
As a result relatively reliable.Wherein specifically, in Fig. 1, the two scanning elements of the embodiment, one of scanning element is put
The top that runing rest 3 is arranged in source device 1 is penetrated, the radiation source device 1 of another scanning element is then arranged in runing rest 3
Side, in this way convenient for carrying out top scanning and lateral scan to object to be checked according to the actual situation, acquisition more meets the complete of demand
The scanning result in orientation.Also, in order to simplify structure, in this embodiment, the structure setting of two scanning elements is identical.
Therefore, it in order to describe simplicity, is only illustrated by taking one of scanning element as an example below.
As shown in Figure 1, in this embodiment, the radiation source device 1 and detection device 2 of scanning element are arranged at rotation branch
On frame 3.Specifically, it radiates source device 1 and detection device 2 is arranged on rack body 31.Wherein, as shown in Figure 1, it radiates
Source device 1 is arranged on the periphery of rack body 31, and detection device 2 is then arranged in the inner circumferential of rack body 31 and with radiation
Source device 1 is positioned opposite.Based on this, when object to be checked passes through among annulus, radiation source device 1 can emit X-ray and penetrate
Object to be checked, and the X-ray for penetrating object to be checked can be incident upon and radiate in the detection device 2 positioned opposite of source device 1, and then can
Form CT image.Every time when scanning, a section of object to be checked is placed in by channel, with device to be scanned to object to be checked
Corresponding section is scanned.Every scanning for completing a section, object to be checked are drawn by the traction device of CT examination system to next
A section position, which is located at, to be passed through in channel, to complete the scanning of next section.So continue, until completing entire object to be checked
Scanning.Wherein, object to be checked can be large cargo (such as container), vehicle or aircraft.
Also, as shown in Fig. 2, the detection device 2 of the embodiment is set as in the arc centered on corresponding radiation source device 1
Shape.Specifically, in this embodiment, detection device 2 uses detector array architecture, and multiple detectors are arranged in spy in array-like
On test arm, and feeler arm is then in the arc centered on radiating source device 1.Since detection device 2 is in be to radiate source device 1
The arc at center, therefore, entire 2 different parts of detection device are identical to the distance between radiation source device 1, that is, detector array
Distance of each detector away from radiation source device 1 in column is identical, this provenance visits equidistant set-up mode, visits Unequal distance (example with source
If detection device 2 is in arc centered on the center of runing rest 3) set-up mode compare, be more convenient for being imaged, meanwhile, after
Continuous relevant calculation analyzes also simpler convenience, is conducive to improve inspection accuracy.
Rotation drive device and runing rest 3 are drivingly connected, and for making to scan by the rotation of driving runing rest 3
Unit rotational.In conjunction with Fig. 1 and Fig. 2 it is found that in this embodiment, rotation drive device includes four rotary drive units, this four
A rotary drive unit is arranged at the lower section of runing rest 3, and is correspondingly arranged two-by-two with both of the aforesaid swing-around trajectory 32, that is,
In this embodiment, corresponding two rotary drive units of each swing-around trajectory 32.Also, as shown in Figure 1, being arranged in same rotation
Two rotary drive units of 32 lower section of transition road, are located at the two sides of 3 pivot center of runing rest, and respectively by a branch
Support seat 6 is supported.Support base 6 can be fixed on the installation foundations such as ground.
Rotary drive unit is arranged in the lower section of runing rest 3, rotary drive unit can be made in driving rotation branch
While frame 3 rotates, certain supporting role is also played to runing rest 3 and the scanning element on runing rest 3 etc.,
Due to no longer needing to that special support construction is additionally arranged, the relatively simple stabilization of structure.
Setting is located at two rotary drive units of pivot center two sides below same swing-around trajectory 32, so that the two
Rotary drive unit can more stably be supported the position corresponding with corresponding swing-around trajectory 32 of runing rest 3, and this
Two rotary drive units more efficient can steadily act on swing-around trajectory 32, and driving runing rest 3 is more efficient steadily
Rotation.
And four rotary drive units are set, runing rest 3 is driven with two cooperations of swing-around trajectory 32, a side
Rotation drive efficiency is improved convenient for providing bigger rotary driving force in face；On the other hand, each rotation driving can also be reduced
The load that unit is born reduces the intensity requirement to each rotary drive unit, mitigates the mill to each rotary drive unit
Damage；In another aspect, being also beneficial to improve the rotational stabilization of entire runing rest 3；Another aspect is also convenient for realizing Multipoint Drive
Synchronism is adaptive.
In this embodiment, in order to keep the structure of rotation drive device relatively simple, the structure of four rotary drive units
It is all made of identical structure.It based on this, is only illustrated by taking one of rotary drive unit as an example below, to simplify description.
As depicted in figs. 1 and 2, the rotary drive unit of the embodiment includes 5, two wheel drive structures and two of supporting beam
A motor 8, wherein the middle part of supporting beam 5 and support base 6 are pivotally connected, so that supporting beam 5 is swingably set under runing rest 3
Side；The both ends between supporting beam 5 and swing-around trajectory 32 and being located at supporting beam 5 are arranged in two actuations, so that two wheels
Driving mechanism is located at the two sides of 5 oscillation center a of supporting beam；And two motors 8 are then accordingly set with two actuations respectively
It sets at the both ends of supporting beam 5, as power device, for providing power for two actuations.
In this embodiment, each actuation includes a driving wheel 4, and the driving wheel 4 is friction pulley, is led to
It crosses and frictional force is applied to swing-around trajectory 32 in rotation, come the scanning element for driving runing rest 3 He being arranged on runing rest 3
Rotation, that is, the actuation of the embodiment uses friction driving way, rather than gear engages driving method, to realize rotation
Turn the rotation of bracket 3.
Two driving wheels 4 are set in each supporting beam 5, relative to one driving wheel 4 of in each supporting beam 5 setting
Situation can provide bigger friction drive for the rotation of runing rest 3, realize more efficient rotation process, meanwhile, it can be with
The dispersion for realizing 3 pressure of runing rest reduces the load that single driving wheel 4 is born, and mitigates the abrasion of driving wheel 4, extends it
Service life increases its use reliability, reduces maintenance replacement cost.
Also, supporting beam 5 is swingably arranged, and allows two driving wheels 4 positioned at its oscillation center two sides more steady
Surely it is contacted with swing-around trajectory 32, prevents one of contact and another causes driving insufficient and runing rest 3 when not contacting
The problems such as jolting improves rotational stabilization, meanwhile, when a receiving pressure in two driving wheels 4 is larger, supporting beam
5 automatically can also be distributed pressure on another by swinging, and enable two driving wheels 4 of two sides more balanced
Ground undertakes pressure, this aspect can prevent single driving wheel 4 because bear pressure it is excessive due to wear-out failure, on the other hand can be with
Disperse driving force and brake force, improves driving reliability and rotational stabilization.
And be that each actuation is arranged a motor 8, then the arrangement for power device of being not only more convenient for, and can be with
So that CT examination system has multiple spot power source, Multipoint Drive is formed, is conducive to increase driving force, while being also beneficial to realize electricity
The reduction of machine 8 structure size and kinetic parameter.
In addition, the location structure 8 is used for as shown in Fig. 2, in this embodiment, CT examination system further includes location structure 8
Runing rest 3 is positioned on the pivot center direction of runing rest 3, that is, location structure 8 be used for runing rest 3 into
Row axially position.Specifically, as shown in Figure 2, at each rotary drive unit, be correspondingly provided with a location structure 8 (such as
It can be the fasteners such as bolt).Based on this, the axial movement of runing rest 3 can be effectively limited, not only improves raising rotation branch
The structural stability and rotational stabilization of frame 3 are also beneficial to reduce the requirement on machining accuracy of the axial distance to runing rest 3,
Save processing cost.
As known from the above, the CT examination system of the embodiment, structure is relatively simple, and radiates source device 1 and detection device 2
With better rotation synchronism and rotational stabilization, more stable accurate image can be generated, it is readily available to large cargo
And the large-scale more accurate inspection result of object to be checked such as vehicle.
When the CT examination system based on the embodiment carries out CT scan inspection, by the customization and apolegamy of concrete function,
A variety of operational versions for meeting client's difference demands on examination can be implemented:
(1) two scanning elements are angularly installed, and rotate runing rest 3, realize the rotary scanning inspection of double-visual angle
Look into process；
(2) two scanning elements are angularly installed, and rotate runing rest 3 not, realize the scanning constant of double-visual angle
Checking process；
(3) it is only positioned at the radiation source device 1 and its corresponding detection device 2 of 3 side of runing rest, and makes rotation branch
Frame 3 rotates, and realizes the rotary scanning checking process at side view angle；
(4) it is only positioned at the radiation source device 1 and its corresponding detection device 2 of 3 side of runing rest, and makes rotation branch
Frame 3 does not rotate, and realizes the scanning constant checking process at side view angle；
(5) it is only positioned at the radiation source device 1 and its corresponding detection device 2 at 3 top of runing rest, and makes rotation branch
Frame 3 rotates, and realizes the rotary scanning checking process at top view angle；
(6) it is only positioned at the radiation source device 1 and its corresponding detection device 2 at 3 top of runing rest, and makes rotation branch
Frame 3 does not rotate, and realizes the scanning constant checking process at top view angle.
As it can be seen that the CT examination system of the embodiment, also have the characteristics that flexible and convenient to use, can satisfy more diverse inspection
Look into demand.
The foregoing is merely the exemplary embodiments of the utility model, are not intended to limit the utility model, all in this reality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the utility model
Within protection scope.
Claims (10)
1. a kind of CT examination system characterized by comprising
Runing rest (3)；
Scanning element is arranged on the runing rest (3) and including radiation source device (1) and the corresponding detection device arranged
(2)；With
Rotation drive device, including rotary drive unit, the rotary drive unit include that supporting beam (5) and two have driving
The actuation of (4) is taken turns, the supporting beam (5) is swingably arranged, and described two actuations are arranged in the support
Two sides on beam (5) and positioned at the supporting beam (5) oscillation center, by driving the rotation when driving wheel (4) rotates
Bracket (3) rotates and rotates the scanning element.
2. CT examination system according to claim 1, which is characterized in that the driving wheel (4) is friction pulley, the driving
Wheel (4) rotates the runing rest (3) and applying frictional force to the runing rest (3) in rotation.
3. CT examination system according to claim 2, which is characterized in that the runing rest (3) includes rack body
(31) it is arranged on the rack body (31) with swing-around trajectory (32), the swing-around trajectory (32), at least one described rotation
Driving unit is correspondingly arranged with the swing-around trajectory (32), and the driving wheel (4) by rotation when to the swing-around trajectory
(32) apply frictional force and rotate the runing rest (3).
4. CT examination system according to claim 3, which is characterized in that two rotary drive units are arranged described
Two sides below swing-around trajectory (32) and positioned at the runing rest (3) pivot center.
5. CT examination system according to claim 3, which is characterized in that the CT examination system includes two rotations
Track (32), described two swing-around trajectories (32) are successively spaced setting along the pivot center of the runing rest (3).
6. CT examination system according to claim 1, which is characterized in that the driving wheel (4) is gear, the rotation branch
Frame (3) is equipped with the gear ring engaged with the driving wheel (4), under the mating reaction of the driving wheel (4) and the gear ring, institute
The runing rest (3) rotation is able to drive when stating driving wheel (4) rotation.
7. CT examination system according to claim 1, which is characterized in that the rotary drive unit further includes power dress
It sets, the power device and described two actuations are drivingly connected and are used to drive the driving of described two actuations
Take turns (4) rotation.
8. CT examination system according to claim 1, which is characterized in that the CT examination system further includes location structure
(8), the location structure (8) on the pivot center direction of the runing rest (3) for carrying out the runing rest (3)
Positioning.
9. CT examination system according to claim 1, which is characterized in that the detection device (2) is in the radioactive source
Arc centered on device (1).
10. CT examination system according to claim 1, which is characterized in that the CT examination system includes sweeping described in two
Unit is retouched, described two scanning elements are arranged at each interval on the runing rest (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820685162.7U CN208926403U (en) | 2018-05-09 | 2018-05-09 | CT examination system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820685162.7U CN208926403U (en) | 2018-05-09 | 2018-05-09 | CT examination system |
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| CN208926403U true CN208926403U (en) | 2019-06-04 |
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| CN201820685162.7U Active CN208926403U (en) | 2018-05-09 | 2018-05-09 | CT examination system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108542413A (en) * | 2018-05-09 | 2018-09-18 | 清华大学 | CT examination system |
| CN113916917A (en) * | 2021-10-20 | 2022-01-11 | 北京航星机器制造有限公司 | Security inspection system based on CT technology and detection method thereof |
-
2018
- 2018-05-09 CN CN201820685162.7U patent/CN208926403U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108542413A (en) * | 2018-05-09 | 2018-09-18 | 清华大学 | CT examination system |
| CN113916917A (en) * | 2021-10-20 | 2022-01-11 | 北京航星机器制造有限公司 | Security inspection system based on CT technology and detection method thereof |
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