CN104698012B - The horizontal automatic nondestructive detection systems of X ray industrial DR/CT and its fixture - Google Patents

The horizontal automatic nondestructive detection systems of X ray industrial DR/CT and its fixture Download PDF

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CN104698012B
CN104698012B CN201310650347.6A CN201310650347A CN104698012B CN 104698012 B CN104698012 B CN 104698012B CN 201310650347 A CN201310650347 A CN 201310650347A CN 104698012 B CN104698012 B CN 104698012B
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examined workpiece
slide unit
horizontal
workpiece
detection systems
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CN104698012A (en
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王立晨
万静
任海东
李砚涛
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GRANPECT Co Ltd
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GRANPECT Co Ltd
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Abstract

The present invention relates to the horizontal automatic nondestructive detection systems of X ray industrial DR/CT and its fixtures.A kind of X ray industrial DR/horizontal nondestructive detection systems of CT, including:Accelerate device assembly, accelerator, accelerator platform and accelerator lathe bed including generating the X ray;The accelerator platform is disposed with the accelerator and can be translated along the accelerator lathe bed on it.Detector assembly includes detector, detector platform and detector lathe bed;The detector platform is disposed with the detector and can be along the detector lathe bed with the accelerator platform synchronous translational on it.The examined workpiece holding meanss of examined workpiece is kept to be located between the acceleration device assembly and the detector assembly so that the accelerator can carry out DR/CT scannings along the length direction of the examined workpiece.The length direction of the examined workpiece is in substantially parallel relationship to ground.The invention further relates to a kind of fixture for the horizontal nondestructive detection systems of industrial DR/CT and a kind of X ray industrial DR and the horizontal automatic non-destructive testing methods of CT.

Description

The horizontal automatic nondestructive detection systems of X ray industrial DR/CT and its fixture
Technical field
The present invention relates to X ray non-destructive testing more particularly to one kind for the horizontal automatic lossless inspections of X rays industrial DR/CT Examining system and its fixture.
Background technology
Background description provided herein is used to generally introduce the background of the present invention.It is current sign inventor The each side of the prior art is not formed in the work and this description in degree described in the background technique part in application Face, neither express nor tacit declaration be recognized as and the inconsistent prior art of the present invention.
X ray industrial DR/CT non-destructive testings are the weights of quality testing in modern industrial production, quality control, quality assurance Means are wanted, are widely used in the fields such as space flight, aviation, weapons, the railway system, automobile, oil, heavy-duty machinery manufacture.Such as it is used for Bolster, side frame, railway frog, aero-engine, weldment, almag casting, various cast steel valves, the pump housing, core, turbo blade Deng, with determine internal defects, as slag inclusion, crackle, stomata, shrinkage porosite, shrinkage cavity, it is lack of penetration, do not merge isometric property defect.
X ray industrial DR/CT nondestructive detection systems are using radiography as core, by x-ray source system, detector System rebuilds inspection system, scanning control system, scanning means(Machinery)System, civil engineering system, radiation protecting systems etc. combine in The nondestructive detection system of one.Radiographic source(Such as accelerator)The X ray of generation forms sector X under the limitation of mechanical system Beam.X-ray beam is decayed after penetrating examined workpiece, and different attenuation degrees reflects examined workpiece internal information.It visits It surveys device and rebuilds inspection system receiving attenuation X-ray beam and be converted into digital signal and generate image.DR scannings are by adding The synchronous translational of fast device and detector scanning examined workpiece obtains whole data for projection, then to the data for projection of acquisition at Reason is rebuild, and just can obtain the transmission image of examined workpiece(DR).CT scan is the synchronous translational by accelerator and detector To workpiece determine position scanning rotation examined workpiece, from multiple angles obtain data for projection, then to the data for projection of acquisition into Row processing is rebuild, and just can obtain the faultage image of examined workpiece(CT).
At present, X ray industrial DR/CT detecting systems both domestic and external are generally arranged using vertical structure, this exists following It is insufficient:1)Vertical structure arrangement detection efficiency is low, loads the workpiece waste plenty of time using manual, can not realize large-scale industry The X ray non-destructive testing of production.2)The inadaptable installation compared with machining long workpieces, longer workpiece(Such as the railway frog of the railway system)It is holding up When doing DR/CT inspections, if bottom loaded is used alone(It is fixed), center of gravity is higher, loads unstable, it is impossible to meet DR/CT inspections Requirement to mechanical precision;And if using frame-type tooling carrier, fixture enters detection range, influences to detect quality.3) When detecting higher workpiece, cost is higher.Since the height of workshop necessarily is greater than examined workpiece, the civil engineering cost of workshop is very high. Since mechanical system carrying x-ray source system, the column of detector system are higher, and detecting system is to machining accuracy requirement Constant, machine cost is higher.4)Detection hall is both the station of workpiece load station and X-ray scanning.It is swept completing workpiece After retouching, the ozone of operating personnel due to worrying X-ray radiation and its generation etc., and detection hall cannot be entered for a long time and replace quilt Examine workpiece.Therefore, that is, detection efficiency is reduced, and operating personnel is made to generate psychological pressure.
It is therefore an object of the present invention in order to overcome the above-mentioned of the X ray of existing vertical industrial DR/CT detecting systems Shortcoming provides a kind of horizontal automatic nondestructive detection systems of X ray industrial DR/CT.By using horizontal arrangement, reduce to workshop The requirement of height, so as to reduce civil engineering cost;And due to the use of horizontal arrangement, detection lathe bed, x-ray source lathe bed, detection Device lathe bed can also reduce machine cost with segmental machining.
Invention content
This summary provides the selection for introducing present inventive concept in simplified form, these designs are in following detailed description In will be described with.This summary is not intended to the key features or essential features of identification claimed subject, is not intended to use Make the help in the range for determining claimed subject.
According to an aspect of the present invention, a kind of X ray industrial DR/horizontal nondestructive detection systems of CT are provided, including:
Accelerate device assembly, accelerator, accelerator platform and accelerator lathe bed including generating the X ray;It is described to add Fast device platform is disposed with the accelerator and can be translated along the accelerator lathe bed on it;
Detector assembly, including detector, detector platform and detector lathe bed;Detector platform cloth on it It is equipped with the detector and can be along the detector lathe bed with the accelerator platform synchronous translational;With
The examined workpiece holding meanss of examined workpiece are kept, are located in the acceleration device assembly and the detector assembly Between so that the accelerator can carry out DR/CT scannings along the length direction of the examined workpiece;
Wherein, the length direction of the examined workpiece is in substantially parallel relationship to ground.
According to another aspect of the present invention, the examined workpiece holding meanss are arranged so that the examined workpiece can close First angle is rotated in its length direction.
According to another aspect of the present invention, the first angle is 90 °.
According to another aspect of the present invention, the acceleration device assembly, the detector assembly and the examined workpiece are kept Device is fixed in the detection hall sealed by protecting wall.
According to another aspect of the present invention, the examined workpiece holding meanss include examined workpiece slide unit and slide unit lathe bed, The examined workpiece slide unit is connect with the slide unit lathe bed by line slideway auxiliary and can carry out straight line along the slide unit lathe bed It is mobile, wherein the accelerator component and the detector assembly are fixed in the detection hall sealed by protecting wall, and it is described Slide unit lathe bed is extended to outside the detection hall in the detection hall.
According to another aspect of the present invention, the examined workpiece slide unit is provided with for one group of the examined workpiece that is loaded or two Group fixture.
According to another aspect of the present invention, the examined workpiece slide unit is arranged in the side in the detection hall.
According to another aspect of the present invention, it is arranged symmetrically the examined workpiece slide unit in the both sides in the detection hall.
According to another aspect of the present invention, it is additionally provided with deflection device in the examined workpiece slide unit so that examined workpiece It in the horizontal plane being capable of beat second angle.
According to another aspect of the present invention, the second angle is in the range of -12 ° to 12 °.
According to another aspect of the present invention, the line slideway auxiliary carries out the straight line by servo motor drive gear rack Movement.
According to another aspect of the present invention, the line slideway auxiliary is carried out described straight by servo motor driving lead screw guide rails pair Line moves.
According to another aspect of the present invention, the fixture includes rotating support and auxiliary support frame, the rotation support Frame is fixed on the examined workpiece slide unit, and the auxiliary support frame can be translated along the examined workpiece slide unit, the rotation Supporting rack and auxiliary support frame cooperation can regularly keep the examined workpiece of different length.
According to another aspect of the present invention, stent is additionally provided with, and install on the rotating support and auxiliary support frame There is compressed oil cylinder, locating piece is installed on the compressed oil cylinder, wherein, it is placed on the bracket in the examined workpiece Afterwards, the compressed oil cylinder can push the locating piece to compress the examined workpiece, so as to be automatically performed examined workpiece positioning.
According to another aspect of the present invention, the fixture is further included positioned at the rotating support and the auxiliary support frame Between centre frame, the centre frame on the examined workpiece slide unit move, wherein, the rotating support, auxiliary branch Support and centre frame cooperation regularly keep the examined workpiece with smaller lower flexure strain, so as to meet testing requirements.
According to another aspect of the present invention, the centre frame is openable two halves formula annulus, and wherein upper half annulus can It opens to be packed into the examined workpiece, and the annulus can be closed to keep the examined workpiece.
According to another aspect of the invention, a kind of fixture for being used for the horizontal nondestructive detection systems of industrial DR/CT is provided, wherein The detecting system has examined workpiece slide unit, and the fixture includes rotating support and auxiliary support frame, the rotation support Frame is fixed on the examined workpiece slide unit, and the auxiliary support frame can be translated along the examined workpiece slide unit, the rotation Supporting rack and auxiliary support frame can regularly keep the examined workpiece of different length with synthesis.
In accordance with a further aspect of the present invention, a kind of horizontal automatic non-destructive testing method of X ray industrial DR is provided, including step Suddenly:
a)Workpiece is flatly loaded on Workpiece holding device by the work-handling station outside detection hall;
b)The protective door in the detection hall is opened, Workpiece holding device is entered in the detection hall;
c)Close the protective door;
d)The acceleration device assembly and detector assembly synchronous translational that will be arranged horizontally in the detection hall, simultaneously DR scannings are carried out along the length direction of workpiece;Wherein, device assembly is accelerated to launch X ray;
e)Workpiece is made to rotate an angle around its length direction;
f)Make the acceleration device assembly and the detector assembly and step d)Opposite direction synchronous translational, and it is right simultaneously The workpiece carries out DR scannings;
g)Stop X ray and go out beam, and open the protective door, Workpiece holding device is exited into the detection hall.
According to another aspect of the present invention, 90 ° be the angle ranging from.
In accordance with a further aspect of the present invention, a kind of horizontal automatic non-destructive testing method of X ray industry CT is provided, including step Suddenly:
a)Workpiece is flatly loaded on Workpiece holding device by the work-handling station outside detection hall;
b)The protective door in the detection hall is opened, Workpiece holding device is entered in the detection hall;
c)Close the protective door;
d)The workpiece is made to be rotated around its length direction, and will be arranged horizontally at adding in the detection hall simultaneously Fast device assembly and detector assembly move to determining test position postaccelerator and go out beam, and the length direction along workpiece is determined Test position carries out CT scan;Wherein, device assembly is accelerated to launch X ray;
e)Stop X ray and go out beam, and open the protective door, the Workpiece holding device is exited into the detection hall.
Description of the drawings
Embodiment it is described in detail below in other feature, advantage and details are only presented by way of example, retouch in detail Refer to the attached drawing is stated, in the accompanying drawings:
Fig. 1 is the schematic side view of the horizontal automatic nondestructive detection systems of X ray industrial DR/CT in accordance with the principles of the present invention.
Fig. 2 is the schematic top plan view of detecting system in accordance with the principles of the present invention.
Fig. 3 is the schematic diagram of the automatic fixture for detecting system.
Fig. 4(A)-(C)It is the schematic diagram of the manual fixture for detecting system.
Fig. 5 is the schematic diagram of the centre frame of the fixture for Fig. 4.
Reference numerals list
1 accelerator, 2 accelerator platform, 3 accelerator lathe bed, 4 upper slide unit, 5 lower slide unit
6 slide unit lathe bed, 7 detector, 8 detector platform, 9 detector lathe bed, 11 examined workpiece
12 slide unit B, 13 protective door, 14 station, 4 15 stations, 3 16 protecting wall, 17 station two
18 slide unit A, 19 station, one 20 auxiliary support frames, 21 rotating support, 22 compressed oil cylinder
23 stent, 24 locating piece, 25 workpiece deflection device, 26 slide unit, 27 centre frame
28 replaceable 31 upper half support ring of stent, 32 lower half support 33 housing screws
34 radial positioning wheel group, 35 axially position wheel group.
Specific embodiment
Following description is substantially only exemplary and is not intended to be limited to the present invention, application or use.In addition, it is not intended to Presented in by technical field, background technology and invention content in front or following detailed description it is any express or The limitation of implied theory.It should be understood that throughout the drawings, corresponding reference marker identifies similar or corresponding component or feature.
It will further be illustrated the present invention now.In following paragraph, the difference of the present invention is limited in more detail Aspect.Unless significantly opposite instruction, the every aspect so limited can be with any other(It is multiple)Aspect is combined.Especially Ground, being designated as preferred or advantageous any feature can be with being designated as preferred or favorably any other(It is multiple)Feature is combined.
Referring now to Fig. 1 and Fig. 2, the horizontal automatic non-destructive testings of X ray industrial DR/CT in accordance with the principles of the present invention are shown System.The detecting system includes:Accelerate device assembly, accelerator 1, accelerator platform 2 and accelerator including generating X ray Lathe bed 3;Wherein, accelerator platform 3 is disposed with the accelerator 1 and can be translated along accelerator lathe bed 3 on it;Detector Component, including detector 7, detector platform 8 and detector lathe bed 9;Detector platform 8 is disposed with the detector 7 on it And it can be translated along detector lathe bed 9;Examined workpiece holding meanss with examined workpiece is kept, are located in acceleration device assembly Between detector assembly so that accelerator 1 can carry out DR/CT scannings along the length direction of examined workpiece.According to the present invention Principle, the X ray fan-beam from accelerator 1 are essentially perpendicular to ground, and examined workpiece is flatly maintained at examined workpiece holding In device so that the length direction of examined workpiece is in substantially parallel relationship to ground, so as to form the detecting system of horizontal arrangement.
Examined workpiece holding meanss include examined workpiece slide unit(It is shown schematically as including upper slide unit 4 in Fig. 1 With lower slide unit 5)With slide unit lathe bed 6, wherein, examined workpiece slide unit is connect with slide unit lathe bed 6 by line slideway auxiliary and being capable of edge Slide unit lathe bed 6 moves linearly.As understood by those skilled in the art, line slideway auxiliary can be by servo motor drive gear Rack moves along a straight line or can be moved along a straight line by servo motor driving lead screw guide rails pair to realize to realize.
As shown in Fig. 2, device assembly and detector assembly is accelerated to be fixedly placed on the detection hall sealed by protecting wall 16 It is interior, wherein the both sides in detection hall are provided with protective door 13, to be prevented when carrying out DR/CT scannings by closing protective door 13 Ray is radiated external environment out of detection hall.Slide unit lathe bed 6 is extended to from its both sides in detection hall outside detection hall, Make it possible to respectively by slide unit A 18, slide unit B 12 by examined workpiece from be arranged in detection hall both sides station(Fig. 2 examples Show station 1, station 2 17, station 3 15 and station 4 14 to property)It transports in detection hall and carries out DR/CT Scanning.
The technological process of DR and CT scan in accordance with the principles of the present invention are described separately below.
Table one shows the technological process of DR scannings in accordance with the principles of the present invention.
During original state, slide unit A, B outside detection hall, initially enter hall after slide unit B card engaging workpieces and start to detect, Subsequently enter circulate operation:Slide unit B goes out in beam detection process, and slide unit A is in handling position installation workpiece --- and slide unit B completes inspection Surveying --- unlatching of bilateral radiation protection door ---, slide unit B is exited, and slide unit A enters detection hall --- protective door closing --- simultaneously Slide unit A goes out beam detection, while slide unit B in handling position unloading workpiece and installs new workpiece, repeats above-mentioned action and forms pipeline-type DR scanning process flows.
Wherein, each slide unit A, B go out the process that beam detects in detection hall and include:Accelerator goes out beam, accelerator and spy Device translation is surveyed, complete DR scannings at an angle, workpiece is around its axis of loading(It is in substantially parallel relationship to Workpiece length direction)Rotation 90 °, accelerator and detector reversely translate, and complete the DR scannings of another angle, stop beam.Such as those skilled in the art institute Clear, arbitrary scan angle can be selected to carry out DR scannings as needed.
CT scan and DR scannings are essentially identical, are only needed detection operation and are slightly different.Table two is shown according to this hair The technological process of the CT scan of bright principle.
It will be appreciated by one of skill in the art that as needed, it can be only in detection hall side setting slide unit(It is such as only sliding Platform A or only slide unit B), correspondingly, only in the corresponding side setting protective door in detection hall.Those skilled in the art will be understood that In this case, the only slide unit A in the DR/CT technological processes in table one and table two or only the process of slide unit B is used.
As shown in Fig. 2, two stations are both provided in every side in detection hall, so as to use as shown in Figure 3 oneself Dynamic fixture(It will be described in hereinafter)Respectively by two Workpiece clampings to examined workpiece holding meanss in case Scanning Detction, this It is particularly advantageous in about 2-4 meters of bolster, side frame compared with casual labourer's part such as railway system to detect length, can improve detection Efficiency.However, it will be appreciated by persons skilled in the art that, a station alternatively can also be only set, to use such as Fig. 4 Shown manual fixture(It will be described in hereinafter)Such as length is detected in about 5-6 meters, about 7-9 meters of relatively machining long workpieces, example Such as the various railway frogs of the railway system.
In order in the case where not increasing accelerator dosage, X ray be allow to penetrate examined workpiece, add so as to reduce Fast device and civil engineering cost, it is advantageously that, deflection device 25 is set in examined workpiece slide unit(Referring to Fig. 3)So that examined workpiece It being capable of beat certain angle in the horizontal plane(Referring to Fig. 2), such as -12 ° to 12 °.This is for having the quilt of thicker gusset part Examine it is especially advantageous for workpiece because changing the thickness that penetrates of X ray needs after one angle of workpiece beat, so as to Examined workpiece is penetrated in the case of not increasing accelerator dosage, and then meets the testing requirements of DR and CT scan.
Referring now to Figure 3, it shows for the fixture of detecting system in accordance with the principles of the present invention.Here two are also shown Group fixture, those skilled in the art are it will be obvious that one group therein can be used only as needed.The fixture includes rotation branch Support 21 and auxiliary support frame 20, rotating support 21 are fixed in examined workpiece slide unit such as upper slide unit 4, auxiliary support frame 20 It can be translated along upper slide unit 4, to adapt to the length of examined workpiece.Stent 23 is provided on supporting rack 20,21, and pressure is installed Locking oil cylinder 22, compressed oil cylinder 22 is equipped with locating piece, and after examined workpiece is placed on stent, compressed oil cylinder 22 pushes locating piece Examined workpiece is compressed, so as to be automatically performed examined workpiece positioning.
When detection is compared with the workpiece that machining long workpieces such as length is 5-10 meters, if only with rotating support 21 and auxiliary branch 20 two fixed workpiece of support, then since workpiece in the effect of dead weight can generate lower flexure strain, such short transverse deformation and wide Degree Direction distortion cannot meet the mechanical precision requirement of non-destructive testing(Fig. 4(A)It is shown).Fig. 4(B)It shows for according to this hair Another fixture of the detecting system of bright principle, it is similar with the fixture of Fig. 3, but extraly positioned at the rotating support and Centre frame 27 is provided between the auxiliary support frame(It will be described in detail as follows).Rotating support 21 is fixed on described tested On workpiece slide unit, auxiliary support frame 20 and centre frame 27 move on examined workpiece slide unit.Examined workpiece is first by manually installed On stent and centre frame 27 on supporting rack 20,21, compressed oil cylinder 22 pushes locating piece to compress examined workpiece, then adjusts The positioning of examined workpiece is completed to reduce the lower flexure strain of workpiece in the position of centre frame 27.Those skilled in the art will be bright In vain, supported at three point workpiece is changed by 2 points of support workpiece, examined workpiece can be reduced due under middle section when rotated Deformation is scratched, so as to meet the mechanical precision requirement of DR/CT Scanning Detctions.
In addition, for certain compared with workpiece of the machining long workpieces such as length at about 5-6 meters, it can also be only with rotating support 21 and two point-supported workpiece fixed forms of centre frame 27, i.e. rotating support one end fix, centre frame one end open(Such as figure 4(C)It is shown).
Fig. 5 is the schematic diagram for showing centre frame 27.Centre frame 27 is openable annulus, including upper half support ring 31 under Half support ring 32 is mounted on by positioning device on replaceable stent 28.Work piece hoisting can be arrived by opening upper half support ring 31 Position, close ring use housing screw 33 by workpiece clamping.In the both sides symmetric position installation radial positioning of lower half support ring 32 Wheel group 34 and axially position wheel group 35, with respectively the inner wall of annulus, side wall upper limit rounding ring axial direction and radial direction bounce, from And meet the mechanical precision requirement of industrial nondestructive testing.
In addition, those skilled in the art will also understand is that, for detecting the feelings of less demanding compared with machining long workpieces, detection efficiency Under condition, examined workpiece does not use the form in slide unit disengaging detection hall, but makes examined workpiece positioning device in hall is detected Be fixedly placed on and accelerate between device assembly and detector assembly, at this point it is possible to be not provided with deflection device, with reduce accordingly into This.In this way, the loading of examined workpiece and unloading are completed in detection hall rather than examined workpiece as shown in Figure 2 It loads and unloading is completed outside detection hall.
Although describing at least one exemplary embodiment in detailed description in front, it should be appreciated that existing a large amount of Deformation.It is to be further appreciated that an exemplary embodiment described here or multiple exemplary embodiments are only example, not It is intended to limit the scope of the invention in any way, applicability or construction.On the contrary, the detailed description of front will be art technology Personnel provide convenient guide to implement an exemplary embodiment or multiple exemplary embodiments.It should be understood that without departing from by The function of element and arrangement can be done in the case of the scope of the invention that appended claims and its legal equivalent program illustrate Go out various change.

Claims (20)

1. a kind of X ray industrial DR/horizontal nondestructive detection systems of CT, including:
Accelerate device assembly, accelerator, accelerator platform and accelerator lathe bed including generating the X ray;The accelerator Platform is disposed with the accelerator and can be translated along the accelerator lathe bed on it;
Detector assembly, including detector, detector platform and detector lathe bed;The detector platform is disposed on it The detector and can be along the detector lathe bed with the accelerator platform synchronous translational;With
Keep the examined workpiece holding meanss of examined workpiece, be located in acceleration device assembly and the detector assembly it Between so that the accelerator can carry out DR/CT scannings along the length direction of the examined workpiece;
Wherein, the length direction of the examined workpiece is in substantially parallel relationship to ground.
2. the X ray industrial DR as described in claim 1/horizontal nondestructive detection systems of CT, which is characterized in that the examined workpiece Holding meanss are arranged so that the examined workpiece can rotate first angle about its length direction.
3. the X ray industrial DR as claimed in claim 2/horizontal nondestructive detection systems of CT, which is characterized in that the first angle It is 90 °.
4. X ray industrial DR/horizontal nondestructive detection systems of CT as described in any one of claim 1-3, which is characterized in that institute It states and device assembly, the detector assembly and the examined workpiece holding meanss is accelerated to be fixed on the detection hall sealed by protecting wall It is interior.
5. X ray industrial DR/horizontal nondestructive detection systems of CT as described in any one of claim 1-3, which is characterized in that institute State examined workpiece holding meanss include examined workpiece slide unit and slide unit lathe bed, the examined workpiece slide unit by line slideway auxiliary with The slide unit lathe bed is connected and can be moved linearly along the slide unit lathe bed, wherein the accelerator component and the detection Device assembly is fixed in the detection hall sealed by protecting wall, and the slide unit lathe bed extended to outside the detection hall it is described It detects in hall.
6. the X ray industrial DR as claimed in claim 5/horizontal nondestructive detection systems of CT, which is characterized in that the examined workpiece Slide unit is provided with for one group of the examined workpiece that is loaded or two groups of fixtures.
7. the X ray industrial DR as claimed in claim 6/horizontal nondestructive detection systems of CT, which is characterized in that big in the detection The examined workpiece slide unit is arranged in the side in the Room.
8. the X ray industrial DR as claimed in claim 6/horizontal nondestructive detection systems of CT, which is characterized in that big in the detection The both sides in the Room are arranged symmetrically the examined workpiece slide unit.
9. the X ray industrial DR as claimed in claim 7 or 8/horizontal nondestructive detection systems of CT, which is characterized in that described tested Deflection device is additionally provided in workpiece slide unit so that examined workpiece in the horizontal plane being capable of beat second angle.
10. the X ray industrial DR as claimed in claim 9/horizontal nondestructive detection systems of CT, which is characterized in that described second jiao Degree is in the range of -12 ° to 12 °.
11. the X ray industrial DR as claimed in claim 5/horizontal nondestructive detection systems of CT, which is characterized in that the straight line is led Rail pair carries out the linear motion by servo motor drive gear rack.
12. the X ray industrial DR as claimed in claim 5/horizontal nondestructive detection systems of CT, which is characterized in that the straight line is led Rail pair carries out the linear motion by servo motor driving lead screw guide rails pair.
13. the X ray industrial DR as claimed in claim 6/horizontal nondestructive detection systems of CT, which is characterized in that the fixture packet Rotating support and auxiliary support frame are included, the rotating support is fixed on the examined workpiece slide unit, the Auxiliary support Frame can be translated along the examined workpiece slide unit, and the rotating support and auxiliary support frame can regularly be kept not with synthesis With the examined workpiece of length.
14. the X ray industrial DR as claimed in claim 13/horizontal nondestructive detection systems of CT, which is characterized in that the rotation branch Stent is additionally provided on support and auxiliary support frame, and compressed oil cylinder is installed, locating piece is installed on the compressed oil cylinder, In, after the examined workpiece is placed on the bracket, the compressed oil cylinder can push the locating piece to compress Examined workpiece is stated, so as to be automatically performed examined workpiece positioning.
15. the X ray industrial DR as claimed in claim 13/horizontal nondestructive detection systems of CT, which is characterized in that the fixture is also Including being located at the centre frame between the rotating support and the auxiliary support frame, the centre frame is slided in the examined workpiece It is moved on platform, wherein, the rotating support, auxiliary support frame and centre frame can be substantially without lower flexure strains with synthesis Ground regularly keeps the examined workpiece.
16. the X ray industrial DR as claimed in claim 15/horizontal nondestructive detection systems of CT, which is characterized in that the centre frame For openable two halves formula annulus, wherein upper half annulus can be opened to be packed into the examined workpiece, and the annulus can It is closed to keep the examined workpiece.
17. a kind of card of X ray industrial DR/horizontal nondestructive detection systems of CT for as described in any one of claim 1-4 Tool, wherein the examined workpiece holding meanss have examined workpiece slide unit, the fixture includes rotating support and Auxiliary support Frame, the rotating support are fixed on the examined workpiece slide unit, and the auxiliary support frame is along the examined workpiece slide unit energy Enough translations, the rotating support and auxiliary support frame can regularly keep the examined workpiece of different length with synthesis.
18. fixture as claimed in claim 17, which is characterized in that be additionally provided on the rotating support and auxiliary support frame Stent, and compressed oil cylinder is installed, locating piece is installed on the compressed oil cylinder, wherein, it is placed in the examined workpiece After on the stent, the compressed oil cylinder can push the locating piece to compress the examined workpiece, so as to be automatically performed by Examine workpiece positioning.
19. fixture as claimed in claim 17, which is characterized in that the fixture is further included positioned at the rotating support and institute The centre frame between auxiliary support frame is stated, the centre frame moves on the examined workpiece slide unit, wherein, the rotation branch Support, auxiliary support frame and centre frame substantially without lower flexure strain can regularly keep the examined workpiece with synthesis.
20. fixture as claimed in claim 19, which is characterized in that the centre frame is openable two halves formula annulus, wherein Upper half annulus can be opened to be packed into the examined workpiece, and the annulus can be closed to keep the examined workpiece.
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