CN104735891B - Rotating frame and in relation to rack and computed tomograph - Google Patents
Rotating frame and in relation to rack and computed tomograph Download PDFInfo
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- CN104735891B CN104735891B CN201410809117.4A CN201410809117A CN104735891B CN 104735891 B CN104735891 B CN 104735891B CN 201410809117 A CN201410809117 A CN 201410809117A CN 104735891 B CN104735891 B CN 104735891B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
- A61B6/035—Mechanical aspects of CT
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/08—Auxiliary means for directing the radiation beam to a particular spot, e.g. using light beams
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
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- A—HUMAN NECESSITIES
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- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4007—Arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4266—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a plurality of detector units
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/48—Diagnostic techniques
- A61B6/482—Diagnostic techniques involving multiple energy imaging
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Abstract
The present invention relates to a kind of rotating frame (4) of the rack (1) for computed tomograph, it is stable that rotating frame, which is necessarily designed on the direction of the centrifugal force mainly acted on when rotating,.In addition, in the sufficiently large annular or cylindrical reinforced frame of strength and stiffness, centrifugal force can promote to be installed in the stabilization of each component on the inside of reinforced frame.Therefore inventor suggests by the first modification, and the cylindrical matrix (14) with central rotation axis is loaded onto for the rotating frame of the rack of computed tomograph.The stability of the matrix by having the reinforced frame of at least two annular reinforcing elements (15) to improve, wherein, reinforcing element (15) is arranged in the outside of matrix (14) and coaxially arranged with central rotation axis.Here, reinforcing element (15) is connected into matrix (14), the reinforcing element (15) is designed for absorbing the centrifugal force being applied on matrix (14).
Description
Technical field
The present invention relates to a kind of rotating frame of the rack for computed tomograph, one kind is used for computerized tomography
The rack of angiographic instrument and a kind of computed tomograph.Computed tomograph is designed as generating radioscopic image,
Especially sectional view.Computed tomograph is mainly used in medical imaging, but can also apply in material non-destructive testing
In other technologies region.Image is rebuild from measurement data, wherein, measurement data includes the throwing from multiple and different projecting directions
Shadow.In order to shoot the projection from different projecting directions, x-ray source and surrounded with the coefficient X-ray detector of x-ray source
Shooting area rotates.In the structure of computed tomograph, it is all should rotatably component especially x-ray source and
X-ray detector is mounted in so-called rotating frame.This rotating frame is also referred to as the " circle of the rack for machine laminagraphy instrument of counting
Cylinder " or rotatable part.The rotating frame is pivotally supported in frame housing.Frame housing, which also has, fixes
Supporting rack, panel component or water conservancy diversion plate are fixed on the supporting rack.Rotating frame is for example by rolling bearing or by magnetic
Bearing is pivotally supported in the supporting rack again.
Background technology
To avoid the motion artifacts that may be formed in reconstruction image due to the movement in shooting area, it is directed to passing through
Higher velocity of rotation will select as small as possible for being detected as rebuilding the time range of required projection.In current calculating
In machine laminagraphy instrument device, 240 revs/min of rotating speed is realized.But in the future, rotating speed should promote at least 300 revs/min.
By combining higher rotating speed, the larger radius of gyration and higher rotating mass, rotating frame is the higher portion of mechanical load
Part, which also ensures the holding of the position of x-ray source and X-ray detector in addition to absorbing the pressure occurred, because component
Position movement in sub-millimeter meter range may cause the notable damage of picture quality.Therefore, at all to rotating frame
The higher stability of Seeking Truth, especially higher intensity and rigidity, to keep the deformation of rotating frame as small as possible and therefore
The position movement for keeping shooting the component of projection is as small as possible.
Therefore, rotating frame is generally fabricated as metal casting, especially aluminium casting.Certainly, the stability of rotating frame is led to
Crossing the solid structure raising of rotating frame also causes the weight of higher material consumption and bigger.Therefore, turn for driving
The component and frame housing of son must also be adapted to the gravity of bigger and the centrifugal force of the bigger thereby resulted in.Therefore, exist
Suggest in DE102008036019A1, the composite material with metal matrix strengthened by particle manufactures rotating frame.
The content of the invention
Therefore, the technical problems to be solved by the invention are, can be with technically ways and means structure as simple as possible
Make the rotating frame of the rack of computed tomograph.The technical problem passes through a kind of machine for computed tomograph
The rotating frame of frame solves, the rotating frame include cylindrical matrix with central rotation axis and including have to
The reinforced frame of few two annular reinforcing elements, wherein, reinforcing element be arranged in matrix outside and with central rotation axis
It is coaxially arranged, wherein, reinforcing element is connected into matrix so that reinforcing element is designed for absorbing the centrifugation being applied on matrix
Power.
The present invention is based on this understanding, it is configured on the direction for the centrifugal force that rotating frame must be acted on mainly when rotating steady
Fixed.In addition, present inventors have recognized that, in the sufficiently large annular or cylindrical reinforced frame of strength and stiffness, centrifugal force
It can cause the stabilization for the component being installed on the inside of reinforced frame.Therefore, the present inventor press the first modification suggestion, with
The rotating frame of the rack of computed tomograph is configured on the cylindrical base of central rotation axis.The matrix it is steady
It is qualitative by have the reinforced frame of at least two annular reinforcing elements improve, wherein, reinforcing element is arranged in the outside of matrix
It is and coaxially arranged with central rotation axis.Here, reinforcing element is connected in this wise with matrix so that reinforcing element is designed as using
The centrifugal force being applied in absorption on matrix.Technically particularly simply turn by the first modification of the solution of the present invention
It changes.
In addition, annular reinforcing element does not extend in entire size of the cylindrical base along pivot center.Therefore, material phase
Traditional solid construction is saved, so as to have especially small weight by the rotating frame of the present invention.By the rotation of the present invention
Turn frame that is to can be designed as so that it realizes especially high under compared to smaller weight by extra high stability
Rotating speed.
The stability of rotating frame, the especially stability with respect to the power that can cause rotating frame torsion are further enhanced
Mode be that crossbeam is at least partially disposed between matrix and reinforcing element, wherein, crossbeam along central rotation axis orient.It is horizontal
On the one hand beam is used to the centrifugal force being applied on matrix being distributed to reinforcing element, be also used for absorbing but then in no horizontal stroke
The power that rotating frame can be caused to reverse in the case of beam.
In the second modification of the present invention, the cylindrical base of rotating frame can be saved.Here, reinforced frame is included extremely
Few two annular reinforcing elements coaxially arranged with central rotation axis and the crossbeam oriented along central rotation axis.Strengthen member
Part is connected in this wise with crossbeam so that reinforcing element is designed as absorbing the centrifugal force being applied on crossbeam.By by strengthening
The lattice-shaped structure that element and crossbeam are formed, reinforced frame also have enough stability in the case of no cylindrical base.
It is also technically simply converted by the second modification of the solution of the present invention and enables rotating frame with especially small
Weight manufactures.
Reinforced frame can be especially configured to so that reinforcing element is connected with beam shape formula.Reinforced frame as a result,
And therefore rotating frame has extra high stability.
By another aspect of the present invention, crossbeam, which is distributed in the one side for facing reinforcing element, can have the first recess,
In, reinforcing element has the second recess at the tie point with crossbeam, so as to be formed in the grafting between reinforcing element and crossbeam
Connection.This plug connection technically can be realized simply and advantage is especially to realize while higher stability
The simple installation of rotating frame.
It is further recommended that rotating frame in the inside of reinforced frame there is at least one adapter to be used for Integrated Electronic Component.
This adapter allows that required electronic unit such as x-ray source or X will be shot for fault imaging with method in a straightforward manner
Ray detector is integrated into rotating frame.
By another aspect of the present invention, at least one reinforcing element is designed to the rotor of motor.It is hereby it is achieved that another
One weight advantage, because driving part, i.e. rotor has the work(of stable rotating frame as the part of reinforced frame simultaneously
Energy.
In addition, the present invention include for computed tomograph rack, have by the present invention rotating frame with
And supporting rack, wherein, rotating frame is pivotally supported on supporting rack by outer bearing.Alternatively, rotating frame
It can be pivotally supported on by inner bearing on supporting rack.For two kinds of supporting, by the rotation of the present invention
The small weight of frame generates favorable influence to the planform of rack and especially supporting rack.Because pass through the small of rotating frame
Weight, the power being applied on supporting rack is less, so as to be manufactured by the supporting rack of the rack of the present invention and compared conventional racks
Material consumption it is less.
An aspect of of the present present invention is related to a kind of rack with driving element, wherein, driving element is designed for making rotation
Frame surrounds central rotation axis screw movement by belt transmission.This belt transmission can be technically particularly simply real
It is existing.Therefore, this form of implementation of rack is technical extremely simple and Simultaneous Stabilization and reliable and low-cost solution
Certainly scheme.
If rotating frame is designed to so that it realizes spy by its extra high stability under smaller weights
Not high rotating speed, then this computed tomograph is enable to shoot the image with more high time resolution.
Description of the drawings
It is further described below according to attached embodiment shown in figure and illustrates the present invention.In attached drawing：
Fig. 1 be by the present invention computed tomograph,
Fig. 2 be by the rotating frame of first variant scheme of the invention,
Fig. 3 be by the rotating frame of second variant scheme of the invention,
Fig. 4 is the cross section of reinforcing element,
Fig. 5 is the vertical section of the rotating frame with crossbeam,
Fig. 6 is the vertical section without the rotating frame of crossbeam,
Fig. 7 is the vertical section with crossbeam and the intermediate rotating frame for being equipped with outer bearing,
Fig. 8 is the vertical section for the rotating frame that outer bearing is equipped with crossbeam and side,
Fig. 9 is the vertical section of the rotating frame with crossbeam and inner bearing,
Figure 10 be with crossbeam and for Integrated Electronic Component adapter rotating frame vertical section,
Figure 11 be wound around the reinforcing element of copper wire cross section and
Figure 12 is the vertical section of the rotating frame with crossbeam and electromagnetic driver.
Specific embodiment
Fig. 1 shows the computed tomograph by the present invention.The computed tomograph is included with rotating frame 4
Rack 1.X-ray source 8 and coefficient with x-ray source 8 is integrated in embodiment shown here in rotating frame 4
X-ray detector 9.Rotating frame 4 rotates during x-ray projection is shot around longitudinal axis 5, and x-ray source 8 is sent out during shooting
Penetrate the X-ray 2 of X-ray beam form.Especially X-ray beam can be shaped to fan-shaped or taper.Computed tomograph also may be used
It is more than only one x-ray source 8 and more than only one X-ray detector 9 to have, so as to realize with so-called dual energy side
Method is shot.X-ray source 8 is here X-ray tube in shown embodiment.X-ray detector 9 is here in shown embodiment
It is such as the line detector of 128 rows or 256 rows with multirow.
When rotating frame 4 rotates, x-ray projection can be shot from all directions, these x-ray projections can be rebuild
Into high-resolution three-dimension space image.When shooting x-ray projection, here in shown embodiment, patient 3 lies in patient
On examination couch 6, which connects into bed pedestal so that it carries the patient couch 6 with patient 3.Patient examines
It looks into bed 6 and is designed for the opening 10 that patient 3 is made to be moved through rack 1 along shooting direction.Shooting direction generally passes through rotating frame 4
Pivot center 5 provide.Certainly, pivot center 5 can also be tilted with respect to shooting direction, and patient 3 is when shooting along the shooting side
To movement, such as mode is the part that rotating frame 4 is configured to turnover rack.
Here in shown embodiment, computed tomograph also includes computer 12, which for example designs
For control computer laminagraphy instrument and for storing and handling multiple x-ray projections.Computer 12 and output unit
11 connections, such as export x-ray tomography picture for image.Output unit 11 is, for example, LCD, plasma or OLED screen curtain.This
Outside, computer 12 is connected with input unit 13.Input unit 13 is, for example, keyboard, mouse, so-called touch screen or defeated for voice
The microphone entered.Interface 7 enable computer 12 with computed tomograph and with input unit 13 or output unit 11
Communication.Interface 7 is well-known hardware or software interface, such as hardware interface pci bus, USB or Firewire.
Fig. 2 shows the rotating frame by the first variant scheme of the invention.Shown the first variant scheme of the present invention here
Form of implementation in, rotating frame 4 includes cylindrical matrix 4 and three annular reinforcing elements 15, these three annulars are strengthened
The pivot center 5 of element and matrix 4 is coaxially arranged.In addition, reinforcing element 15 has identical outer diameter and substantially the same
Internal diameter.The internal diameter of reinforcing element 15 has inclined with fixed value only at by tie point of the internally positioned recess with crossbeam 16
Difference.Reinforcing element 15 can be configured to elongated shape and as shown here equipped with flat straight line surfaces.In the difference of the present invention
In form of implementation, reinforcing element 15 be designed to it is substantially square, wherein, and square configuration deviation be based on reinforcing element 15
Tie point at recess or the matched profile in outer surface slight curving and with matrix 14.Two 15 shapes of reinforcing element with
In the side of pivot center 5, upwardly-directed crossbeam 16 is collectively form reinforced frame, which is arranged in the outer of matrix 14
Portion.Crossbeam 16 is oriented in the direction of pivot center 5 in this wise so that the axis orientation of its longest dimension is in the side of pivot center 5
Upwards, especially longest axis can be oriented parallel to pivot center.The reinforced frame formed lattice-shaped structure and with
Matrix 14 connects into so that can be by the centrifugal force being applied on matrix 14 at least partly when being rotated around pivot center 5
It is transferred on reinforced frame.Crossbeam 16 can such as be welded by interconnection technique or bonding is fixedly connected with matrix 14.
Matrix 14 is made in a general way of plate, such as steel plate.Alternatively, matrix 14 can also be by semi-finished product system
Into.The thickness of matrix 14 can change in different forms of implementation in the scope less than normal between 1 millimeter and several millimeters.
In one aspect of the invention, the thickness of matrix 14 is 1 to 2 millimeter.For the cast aluminium method set up, the phase of traditional rotating frame
It is many times thick like cylindrical elements.For technical reasons, aluminium casting general thickness is at least 15 millimeters.Even compared in consideration aluminium
In the case that steel plate density is small, also there is significant weight advantage by the construction of the present invention.Matrix 14 can be formed as shown in Figure 2
Complete cylinder；But in other forms of implementation, matrix 14 can have recess and/or hole in its cylindrical basic shape,
Such as being installed in by fluid line, ooling channel and other feed paths with method in a straightforward manner and being arranged at matrix
Between inside and outside element.
Matrix 14 can also be made of nonmetallic material, such as be made of carbon fiber, composite material or plastics.Matrix 14
Must have enough stability, so as not to can 4 outage of rotating frame split or gross distortion into so that thereby result in into
Artifact as in.The accurate stability of matrix 14, especially accurate intensity and rigidity depend on the structure shape of reinforced frame
Shape.The material of matrix 14 and its thickness also depend on the diameter of matrix 14, wherein, the major diameter of conventional method is brought particularly stable
Material and/or larger thickness.In the region of medical imaging, the diameter of matrix 14 and reinforced frame it is a diameter of substantially
1 to 1.6 meter, wherein, in other forms of implementation of the present invention, it can realize bigger and less diameter.
Reinforcing element 15 has the stability than 14 bigger of matrix.Therefore, 15 preferred integral type of reinforcing element manufactures, also
It is to say without welding, bonding or the manufacture of other interconnection technique.But the reinforcing element 15 of multiple integral types can also be connected with each other,
See, for example, Figure 12.Reinforcing element 15 can be made or be made up of method for milling by metal casting, such as aluminium casting.Strengthen
The stock size of element 15 along pivot center 5 is substantially 1 to 2 centimetre.If it is expected extra high stability, 15 edge of reinforcing element
The size of pivot center 5 can be with bigger.Reinforcing element 15 radially generally has several centimetres.In the particularly stable construction of the present invention
In, reinforcing element 15 is radially more than 10 centimetres.
Fig. 3 shows the rotating frame by the second variant scheme of the invention.In the second variant scheme of the present invention, eliminate
Cylindrical matrix 14.Therefore, rotating frame 4 has reinforced frame, which carries at least two reinforcing elements, 15 He
Multiple crossbeams 16, wherein, reinforcing element 15 is connected into crossbeam 16 so that reinforcing element 15 is applied to crossbeam designed for absorbing
Centrifugal force on 16.For this purpose, at least one portion of crossbeam 16 is located at the inside of reinforcing element 15.
In a typical organization plan of the second modification of the invention, reinforcing element 15 is with identical outer diameter and substantially
Upper identical internal diameter.If using more than two reinforcing element 15, they along pivot center 5 can have it is mutually the same away from
From so that it is guaranteed that centrifugal force is from matrix 14 or crossbeam 16 to transmission as uniform as possible on reinforcing element 15.In addition, 16 He of crossbeam
Reinforcing element 15 can also be connected with each other with such as welding or be adhesively fixed by interconnection technique, to improve the stability of reinforced frame
And therefore improve the stability of rotating frame 4.
Crossbeam 16 can be made of metal casting as reinforcing element 15 and must have higher stability.Crossbeam
16 extend through entire size of the matrix 14 along pivot center 5 in general method.No matter whether rotating frame 4 has matrix
14, crossbeam 16 may have along the identical size of pivot center 5 or it is even substantially the same construct, so as to realize power
It is transferred to as homogeneously as possible from crossbeam 16 on reinforcing element 15.
Fig. 4 shows the cross section of reinforcing element, that is to say, that in the section by the plane perpendicular to pivot center 5.
In form of implementation shown here, reinforcing element 15 has the rectangular recess being evenly arranged on the inside of it.The size of the recess is set
It is calculated as so that crossbeam 16 accurately can be matchingly arranged in the recess of reinforcing element 15.A kind of this reinforcing element 15 can make
In the extension design of the rotating frame 4 by the present invention, wherein, crossbeam 16 has respectively in the one side for facing reinforcing element 15
First recess, so as to form the plug connection of form fit formula between reinforcing element 15 and crossbeam 16.A kind of this shape
The plug connection of formula technically can be realized particularly simply and can realize 4 particularly stable ground structure of rotating frame
It makes.
Recess can also have the other shapes different from rectangular shape, example in other forms of implementation of reinforcing element 15
Cross section such as recess can be designed to trapezoidal.In addition, recess can be arranged unevenly, such as because in rotating frame 4
In one definite region expect than the bigger in other region centrifugal force, so as on this definite region it is expected and
The plug connection of crossbeam 16 has higher density.For example expect when especially heavy electronic unit is integrated in a definite region
To the centrifugal force of bigger.
Fig. 5 shows the vertical section of the rotating frame with crossbeam.Dotted line V and central rotation axis 5 in this Fig. 2 are respectively positioned on
In section.Here in shown embodiment, reinforcing element 15 set (be measured to the distance of pivot center 5) and crossbeam
16 is equally high.In other form of implementation, reinforcing element 15 and crossbeam 16 can not also as it is high, wherein, strengthen in principle
Element 15 and crossbeam 16 can be with highers.When reinforcing element 15 is designed to a part for bearing, as Fig. 7 to Fig. 9 is described
The situation of embodiment, higher reinforcing element 15 is favourable.In the embodiment of Fig. 5 displayings, reinforcing element 15 and crossbeam
16 are connected by plug connection mode.In addition, crossbeam 16 is fixedly connected with matrix 14, inserted so as to which form fit formula connection ground is formed
Connection device in succession.
Fig. 6 shows the vertical section of the rotating frame of no crossbeam.Here, dotted line VI and central rotation axis 5 are respectively positioned in Fig. 2
It cuts open in plane.Here in shown form of implementation, reinforcing element 15 is fixedly connected with matrix 14, and thus rotating frame 4 obtains
Extra high stability.In other forms of implementation, connecting element can also be installed between matrix 14 and reinforcing element 15, especially
It is for reinforcing element 15 to be made to be connected with matrix 14.
Fig. 7 shows the vertical section of rotating frame, which has crossbeam and the outer bearing of center arrangement.It represents herein
Outer bearing be steel wire rolling bearingWherein, spherical rolling element 23 is arranged in center in this wise
Between reinforcing element 15 and the stent 25a in center, which is fixedly connected with the supporting rack of rack 1, so as to roll
Body 23 enables rotating frame 4 to be rotated around pivot center 5.Steel wire 26 prolongs along the reinforcing element 15 in center around pivot center 5
It stretches and forms retainer, rolling element 23 is run in the retainer.Shown here constructs with small weight and cost
It is very cheap.
Fig. 8 shows the vertical section of no crossbeam and the rotating frame with the outer bearing for being arranged in side.Outer bearing includes two
A steel wire rolling bearing, with rolling element 23 and steel wire 26, which is able to realize two non-central reinforcement members
Therefore part 15 simultaneously realizes that rotating frame 4 surrounds the rotation of pivot center 5.Here, the support of non-central stent 25b Yu rack 1
Frame is fixedly connected.The advantages of showing construction herein is the king-sized stability of rotational motion.It, can also in other forms of implementation
Use more than two steel wire rolling bearing.
Fig. 9 shows the vertical section with the rotating frame of crossbeam and inner bearing.Internal strengthening elements 15 are shown here
It is designed for rotating around pivot center 5 by the rolling bearing with rolling element 23 and inner support 25c in embodiment.Here,
Rotational motion is completed by belt transmission, wherein, for belt bearing-surface by cuing open plane section transverse to shown here
Molding, internal strengthening elements 15 surfaces are shown.This surface is especially suitable for and wedge belt collective effect.It is here, wedge-shaped
The rotational motion of motor is transferred on rotating frame 4 by belt.Alternatively, the surface of internal strengthening elements 15 is transverse to herein
Shown cuts open plane with cross rib, and reinforcing element 15 can be particularly well with tooth band collective effect for transmission rotation as a result,
Movement.In addition, the form of shown here and other bearing arrangements, such as magnetic bearing device in principle can be from different drives
Dynamic form such as belt transmission or electromagnetic drive are mutually combined.Especially different bearing arrangements and the form of driving can be with tape bases
The rotating frame 4 of body 14 and not ribbon matrix 14 is realized in combination.
Figure 10 shows the rotating frame with crossbeam and the adapter for Integrated Electronic Component.Electronic unit can be X
Radiographic source 8, X-ray detector 9 or other components for being provided with electric energy, being for shooting tomographic image must be right.It is suitable
Orchestration 19 is designed to so that its one end can be fixedly connected with matrix 14 or reinforced frame, and its other end can will determine
Electronic unit be integrated into rotating frame 4.For this purpose, adapter 19 can at least partly include the electronic unit and/or its
Shape and structure can match with each electronic unit.Especially, adapter 19 can be fixedly connected with electronic unit.In addition, adaptation
Device 19 can be designed to provide for the interface of each electronic unit for example, integrated power supply.
Figure 11 is shown with the reinforcing element for being tied with copper wire.Reinforcing element 15 shown here is wound with copper wire 26, so as to
Reinforcing element 15 can be used as to the rotor 20 of motor.The other materials different from copper can also be used to strengthen member for winding
Part 15, this other materials are suitable for, and reinforcing element 15 is designed to the rotor 20 of motor.
Figure 12 shows the rotating frame with electromagnetic driver.Motor driver is based on stator 21 and rotor 20, wherein,
Rotor 20 includes the reinforcing element 15 of multiple interconnections.Individual reinforcing element 15 is made of so-called silicon steel sheet, the silicon steel
Piece is soft magnetism and is generally made of steel.But other suitable materials can also be used for manufacturing individual plate 27.
The plate 27 of a reinforcing element 15 is bonded into, as shown in Figure 10, is wound with steel wire 26.Rotor 20 passes through multiple plates 27
Rather than it is formed such that rotor 20 has favourable magnetism by solid iron core.It is kept away especially by the connection of multiple plates 27
Exempt from vortex flow.Stator 21 and the supporting rack of rack 1 are permanently connected.
It is naturally that various embodiments described here in principle can be mutual group for those skilled in the art
It closes, as long as professional thinks it is technically rational.
Claims (7)
1. a kind of rotating frame (4) of rack (1) for computed tomograph, including with central rotation axis (5)
Cylindrical matrix (14) and the reinforced frame including having at least two annular reinforcing elements (15), wherein, it is described plus
Strong element (15) is arranged in the outside of described matrix (14) and coaxially arranged with central rotation axis (5), wherein, the reinforcement
Element (15) is connected into described matrix (14) so that the reinforcing element (15) is applied to described matrix designed for absorbing
(14) centrifugal force on, wherein, the rotating frame, which further includes, is at least partially disposed at described matrix (14) and the reinforcement
Crossbeam (16) between element (15), wherein, the crossbeam (16) orients along the central rotation axis (5), wherein, it is described to add
Strong element (15) is connected with the crossbeam (16) form fit formula, wherein, the crossbeam (16) is facing the reinforcement respectively
On the one side of element (15) have the first recess, wherein, the reinforcing element (15) with the tie point of the crossbeam (16) at
With the second recess, so as to the plug connection being formed between the reinforcing element (15) and the crossbeam (16).
2. a kind of rotating frame (4) of rack (1) for computed tomograph, including with central rotation axis (5)
Reinforced frame, wherein, the reinforced frame have at least two annulars coaxially arranged with the central rotation axis (5) add
Strong element (15) and the crossbeam (16) oriented along the central rotation axis (5), wherein, the reinforcing element (15) with it is described
Crossbeam (16) connects into so that and the reinforcing element (15) is applied to the centrifugal force on the crossbeam (16) designed for absorption,
Wherein, the reinforcing element (15) is connected with the crossbeam (16) form fit formula, wherein, the crossbeam (16) is respectively in face
On towards the one side of the reinforcing element (15) have the first recess, wherein, the reinforcing element (15) with the crossbeam (16)
Tie point at have the second recess, so as to be formed between the reinforcing element (15) and the crossbeam (16) grafting company
It connects.
3. the rotating frame (4) as described in claim 1 or 2 is installed in fitting inside the reinforced frame including at least one
Orchestration (19) is used for Integrated Electronic Component.
4. the rotating frame (4) as described in claim 1 or 2, wherein, at least one reinforcing element (15) is designed to motor
Rotor (20).
5. a kind of rack (1) for computed tomograph, including the rotating frame as described in one of Claims 1-4
(4) and supporting rack, wherein, the rotating frame (4) is pivotally supported on support frame as described above by outer bearing.
6. a kind of rack (1) for computed tomograph, including the rotating frame as described in one of Claims 1-4
(4) and supporting rack, wherein, rotating frame (4) is pivotally supported on support frame as described above by inner bearing.
7. a kind of rack (1) for computed tomograph, including the rotating frame as described in one of claims 1 to 3
(4), wherein, the rack has driving element, wherein, the driving element is designed as that the rotating frame (4) is made to pass through skin
V belt translation surrounds central rotation axis (5) screw movement.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013227060.7A DE102013227060B4 (en) | 2013-12-23 | 2013-12-23 | Rotating frame for the gantry of a computer tomograph, as well as gantry and computer tomograph with such a rotating frame |
| DE102013227060.7 | 2013-12-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104735891A CN104735891A (en) | 2015-06-24 |
| CN104735891B true CN104735891B (en) | 2018-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410809117.4A Active CN104735891B (en) | 2013-12-23 | 2014-12-23 | Rotating frame and in relation to rack and computed tomograph |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101665204B1 (en) |
| CN (1) | CN104735891B (en) |
| DE (1) | DE102013227060B4 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10076294B2 (en) | 2016-03-30 | 2018-09-18 | Morpho Detection, Llc | Gantry system with support wheels |
| KR20170128987A (en) * | 2016-05-16 | 2017-11-24 | 삼성전자주식회사 | Gantry of Computed Tomography Apparatus |
| DE102016211376A1 (en) * | 2016-06-24 | 2017-12-28 | Siemens Healthcare Gmbh | Stabilization frame for a supporting structure of a gantry |
| CN107981880B (en) | 2016-10-26 | 2021-03-16 | 北京东软医疗设备有限公司 | CT machine and rotator thereof |
| CN106492357B (en) | 2016-12-13 | 2018-03-30 | 合肥中科离子医学技术装备有限公司 | A kind of cellular reinforcing plate structure suitable for inside proton therapeutic appts rotary frame |
| DE102018211669B4 (en) * | 2018-07-12 | 2020-01-23 | Siemens Healthcare Gmbh | Omnidirectional chassis for a gantry of a computed tomography device |
| EP4265188A1 (en) | 2022-09-23 | 2023-10-25 | Siemens Healthcare GmbH | Rotating structure for the gantry of a computer tomograph, gantry and computer tomograph |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000140134A (en) * | 1998-09-11 | 2000-05-23 | Ishikawajima Harima Heavy Ind Co Ltd | Gantry device of corpuscular ray therapeutic equipment |
| WO2008021662A2 (en) * | 2006-08-09 | 2008-02-21 | Koninklijke Philips Electronics N. V. | Gantry x-ray transmissive element |
| JP4228019B2 (en) * | 2007-02-16 | 2009-02-25 | 三菱重工業株式会社 | Medical equipment |
| DE102008036019B4 (en) | 2008-08-01 | 2010-11-11 | Siemens Aktiengesellschaft | Computed tomography device and rotor for a gantry of a computed tomography device |
| JP2010151681A (en) * | 2008-12-25 | 2010-07-08 | Toshiba Corp | Pet device |
| JP5677940B2 (en) * | 2009-04-16 | 2015-02-25 | 株式会社日立メディコ | X-ray CT system |
| US9480440B2 (en) * | 2011-09-28 | 2016-11-01 | Qr Srl | System and method for cone beam computed tomography |
| KR101254098B1 (en) * | 2011-12-08 | 2013-04-12 | 한국생산기술연구원 | Shoot module rotating apparatus and image obtaining apparatus of comprising the same |
| CN103371845A (en) * | 2012-04-28 | 2013-10-30 | 株式会社东芝 | Computed tomography (CT) device |
-
2013
- 2013-12-23 DE DE102013227060.7A patent/DE102013227060B4/en active Active
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2014
- 2014-12-19 KR KR1020140184353A patent/KR101665204B1/en active IP Right Grant
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Also Published As
| Publication number | Publication date |
|---|---|
| DE102013227060A1 (en) | 2015-06-25 |
| CN104735891A (en) | 2015-06-24 |
| KR20150073858A (en) | 2015-07-01 |
| KR101665204B1 (en) | 2016-10-11 |
| DE102013227060B4 (en) | 2021-05-20 |
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