CN108680588A - CFETR vacuum chamber beforehand research part longitudinal seam automatic flaw detection positioning devices - Google Patents
CFETR vacuum chamber beforehand research part longitudinal seam automatic flaw detection positioning devices Download PDFInfo
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- CN108680588A CN108680588A CN201810455878.2A CN201810455878A CN108680588A CN 108680588 A CN108680588 A CN 108680588A CN 201810455878 A CN201810455878 A CN 201810455878A CN 108680588 A CN108680588 A CN 108680588A
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- inspection car
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
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Abstract
The invention discloses a kind of CFETR vacuum chambers beforehand research part longitudinal seam automatic flaw detection positioning devices, including the inspection car that can be run in the interlayer of vacuum chamber beforehand research part shell and inner casing, and radiographic source machine is equipped on the inside of inner casing.The present invention solves the problems, such as that CFETR vacuum chamber beforehand research part inside and outside shell interlayers are difficult to pieces of cloth, reduces worker's operating risk, meets the flaw detection requirement of vacuum chamber beforehand research part erecting bed.
Description
Technical field
The present invention relates to technical field of nondestructive testing, and in particular to a kind of CFETR vacuum chambers beforehand research part longitudinal seam is automatic
Flaw detection positioning device.
Background technology
" Chinese nuclear fusion engineering test reactor "-CFETR（Chinese Fusion Engineering Testing
Reactor）It is the important topic for verifying fusion reactor key science and technology problem.CFETR is an extremely complex system, by
Many functional component compositions, wherein a core component of the vacuum chamber beforehand research part as fusion reactor, are to provide plasma stable state
The container parts of operation, structural stability and use functional safety run fusion stack device particularly important.CFETR vacuum
Room beforehand research part total high about 17m, all 316L of material, are large complicated profile bilayer D-section structure, vacuum chamber beforehand research part pair
The requirement of weld seam is high, therefore most important to the non-destructive testing of vacuum chamber beforehand research part weld seam.
CFETR vacuum chamber beforehand research parts are by several as shown in Figure 1, section is enclosed in the vacuum chamber beforehand research part sector 1 of D type shapes
Around composition, 1 lateral cross section of vacuum chamber beforehand research part sector as shown in Fig. 2, include shell 11 and inner casing 12, shell 11 and inner casing 12 it
Between be connected with bearing rib 13, vacuum chamber beforehand research part sector 1 is when being combined into vacuum chamber beforehand research part, in processing and welding process
Inevitably there is certain error, in group in the process, the accumulation of these errors can lead to vacuum chamber beforehand research part welding ends
The size in face cannot meet the requirement of narrow gap welding, in order to reduce influence of these errors to narrow gap welding, sector it
Between increase compensation ring 14, compensate and form two longitudinal seams 15 as shown in Figure 3 between ring 14 and inner casing 12.
Existing ray detection method is applied to above-mentioned longitudinal seam, and there are problems：
1. back of weld narrow space cannot achieve artificial pieces of cloth.Existing ripe automation pieces of cloth system is all based on magnetic
Attached principle design, and vacuum chamber beforehand research part raw material are ultra-low carbon austenitic stainless steel, it is non-magnetic, limit conventional cloth sheet devices
Application.
2. vacuum chamber beforehand research part bulky dimensions, artificial radiographic source of carrying is detected there are inefficiency, and radiographic source is installed
And location difficulty problem, while there is also working at height, operating personnels to be exposed to ray because of maloperation for artificial carrying radiographic source
The risk of environment.
Invention content
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, narrow space automation cloth can be realized by providing one kind
Piece reduces worker's operating risk, improves negative quality, is indulged on inner casing during final realization CFETR vacuum chamber beforehand research parts are formed a team
To the automatic flaw detection positioning device of the high-precision of weld seam, high efficiency and high quality.
A kind of CFETR vacuum chambers beforehand research part longitudinal seam automatic flaw detection positioning device, including can be outside vacuum chamber beforehand research part
The inspection car run in the interlayer of shell and inner casing, inner casing inside are equipped with radiographic source machine, idler wheel are equipped at the bottom four corners of inspection car,
Idler wheel connects with the driving mechanism for driving it to roll and turn to, and the top surface of inspection car is equipped with pieces of cloth mechanism, and pieces of cloth mechanism includes stretching
Contracting frame and camera bag fixed plate, expansion bracket one end are fixed on the bottom of inspection car, and the other end is fixed in camera bag fixed plate, and camera bag is solid
The another side of fixed board is equipped with the camera bag for placing egative film, and camera bag both sides are equipped with the induced magnet being located in camera bag fixed plate, penetrate
Line source machine signal is connected with the sensor that can sense induced magnet, and inspection car is additionally provided with positioning support machine in short transverse
Structure, supporting mechanism for location include the supporting rod for being symmetricly set on inspection car both sides, and two supporting rods are hinged in medium position, branch
The top of strut is equipped with idler wheel, and a supporting rod bottom end is hinged on the surface of inspection car, the bottom end sliding setting of another supporting rod
On the positioning support sliding seat being arranged on inspection car, along supporting rod between the supporting bar top and middle part hinged end
Cylinder is arranged on two side, the tailpiece of the piston rod of cylinder is hinged on the side wall of the supporting rod, and the cylinder block end of cylinder passes through
The strip-shaped hole opened up on inspection car is hinged on the cylinder block of flaw detection car bottom, by the flexible of cylinder piston rod, is realized
Shears-like movement between two supporting rods.
It is further described as to above-mentioned technical proposal：
Idler wheel at the bottom four corners of the inspection car includes positioned at two driving wheels of inspection car bottom side and positioned at flaw detection
Two driven wheels of the car bottom other side, driving wheel generate driving force and steering force by the driving motor to connect with it.
It is further described as to above-mentioned technical proposal：
The expansion bracket of the pieces of cloth mechanism includes four groups of X-type holders, and two groups of X-type holders are correspondingly arranged at another two groups of two groups of X-types
On holder, contact jaw is hinged by axis pin, and X-type holder is made of two hinged bodies of rod in middle part, same in the X-type holder of two groups of lower part
The bottom side of two bodies of rod of one end is hinged in fixed seat, and top side is slidably mounted on camera bag fixed plate by pin
In the strip-shaped hole of side wall, another two post other sides of the same end are connected to by connecting shaft in the X-type holder of two groups of lower part
In the strip-shaped hole of pieces of cloth mechanism slips seat, top side is fixed in by pin on camera bag fixed plate side wall, pieces of cloth mechanism slips seat
In be equipped with sliding block, space of slider is set in connecting shaft, and the cylinder end of pieces of cloth mechanism cylinder is fixed in fixed seat, tailpiece of the piston rod
It is fixed in sliding block.
It is further described as to above-mentioned technical proposal：
The sensor signal is connected with audible-visual annunciator.
The present invention is applied in combination by inspection car, radiographic source machine with pieces of cloth mechanism, solves CFETR vacuum chamber beforehand research parts
The problem of inside and outside shell interlayer is difficult to pieces of cloth.The advantages of there is high degree of automation, remote control may be implemented simultaneously, reduce height
Idle job, operating personnel are exposed to the risk of ray environment because of maloperation, and improve detection efficiency.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the use state diagram of the present invention；
Fig. 2 is vacuum chamber beforehand research part cross-sectional view in the present invention；
Fig. 3 is side view of the inspection car in working space in the present invention；
Fig. 4, Fig. 5 are the structural schematic diagram of inspection car in the present invention；
Fig. 6 is the structural schematic diagram of pieces of cloth mechanism in the present invention.
Specific implementation mode
The preferred embodiment of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Referring to Fig. 1, a kind of CFETR vacuum chambers beforehand research part longitudinal seam automatic flaw detection positioning device provided by the invention, packet
The inspection car 3 that can be run in the interlayer of vacuum chamber beforehand research part shell 11 and inner casing 12 is included, 12 inside of inner casing is equipped with radiographic source machine
2, referring to Fig. 4 to Fig. 5, idler wheel 31, idler wheel 31 and the driving machine for driving it to roll and turn to are equipped at the bottom four corners of inspection car 3
Structure 32 connects, and the top surface of inspection car 3 is equipped with pieces of cloth mechanism 33, and in conjunction with Fig. 6, pieces of cloth mechanism 33 includes that expansion bracket 331 and camera bag are solid
Fixed board 332,331 one end of expansion bracket are fixed on the bottom of inspection car 3, and the other end is fixed in camera bag fixed plate 332, and camera bag is fixed
The another side of plate 332 is equipped with the camera bag 333 for placing egative film, and 333 both sides of camera bag are equipped with the sense being located in camera bag fixed plate 332
Magnet 334 is answered, in conjunction with Fig. 3,2 signal of radiographic source machine is connected with the sensor 21 that can sense induced magnet 334, as shown in figure 3,
Inspection car 3 is additionally provided with supporting mechanism for location 34 in short transverse, and supporting mechanism for location 34 includes being symmetricly set on 3 liang of inspection car
The supporting rod 341 of side, two supporting rods 341 are hinged in medium position, and the top of supporting rod 341 is equipped with idler wheel 31, one
341 bottom end of strut is hinged on the surface of inspection car 3, and the bottom end of another supporting rod 341 is slidably arranged in be arranged on inspection car 3
Positioning support sliding seat 342 on, it is symmetrical on the two side between 341 top of supporting rod and middle part hinged end along supporting rod
Equipped with cylinder 343, the tailpiece of the piston rod of cylinder 343 is hinged on the side wall of the supporting rod 341, and the cylinder block end of cylinder 343 passes through
The strip-shaped hole 345 opened up on inspection car 3 is hinged on the cylinder block 346 of 3 bottom of inspection car, passes through 343 piston rod of cylinder
It is flexible, realize the shears-like movement between two supporting rods 341.
In use, radiographic source machine 2 is put into the inside of inner casing 12 first, and to pieces of cloth location point（I.e. at longitudinal seam）Into
Sensor 21 is put at the pieces of cloth location point of 12 inside of inner casing by row positioning；The channel reserved from design（Usual CFETR vacuum
For spacing between room beforehand research part inner casing 12 and shell 11 between 180 ~ 280mm, it can be width to design reserved channel size
200mm, one section of compensation ring of high 500mm are preceding as detection window in welding completion）Inspection car 3 is sent into shell 11 and inner casing 12
Interlayer in, open driving mechanism 32 and inspection car 3 driven to move, inspection car 3 passes through two supporting rods in supporting mechanism for location 34
341 angle change, automatic the distance between the shell 11 and inner casing 12 of adapting to change, at this time the expansion bracket 331 of pieces of cloth mechanism 33
It shrinks；Sensor 21 searches for the position of induced magnet 334 on inspection car 3 later, when inspection car 3 reaches pieces of cloth location point position,
The expansion bracket 331 of 32 stop motion of driving mechanism, pieces of cloth mechanism 33 is stretched out, and goes out bottom by the location determination of induced magnet 334
The accurate location of piece, sensor 21 guides radiographic source machine 2 to be exposed egative film, and after the completion of exposure, pieces of cloth mechanism 33 stretches
Frame 331 is shunk；Control inspection car 3 moves to the reserved channel of design after the completion of exposure, completes egative film recycling；Later according to operation
Regulation completes Film processing and egative film evaluation work.
Compensate ring 14 and inner casing 12 at this and be formed by another longitudinal seam, can by it is mobile appeal sensor 21 or
Person arranges a sensor again.
The compensation ring of remaining position is formed by longitudinal seam with inner casing, can be successively detected with reference to above-mentioned steps.
Embodiment 1
As the optimization explanation to above-mentioned technical proposal：
Idler wheel 31 at the bottom four corners of inspection car 3 includes positioned at two driving wheels of 3 bottom side of inspection car and positioned at flaw detection
Two driven wheels of the 3 bottom other side of vehicle, driving wheel generate driving force and steering force by the driving motor to connect with it.Purpose
It is, the driving mechanism of the inspection car 3 and the cooperation of wheel body, can not only easily realizes that driving turns to, and with making at this
The high advantage of four rolling synchronism.
Embodiment 2
As the optimization explanation to above-mentioned technical proposal：
As shown in fig. 6, the expansion bracket 331 of pieces of cloth mechanism 33 includes four groups of X-type holders, two groups of X-type holders are correspondingly arranged at another two
On two groups of X-type holders of group, contact jaw is hinged by axis pin, and X-type holder is made of two hinged bodies of rod 3311 in middle part, lower part
The bottom side of two bodies of rod 3311 of the same end is hinged in fixed seat 3312 in two groups of X-type holders, and top side is logical
It crosses pin to be slidably mounted in the strip-shaped hole of 332 side wall of camera bag fixed plate, another two bodies of rod of the same end in the X-type holder of two groups of lower part
The 3311 bottoms other side are connected to by connecting shaft 3312 in the strip-shaped hole of pieces of cloth mechanism slips seat 3313, and top side passes through pin
It is fixed on 332 side wall of camera bag fixed plate, sliding block 3314 is equipped in pieces of cloth mechanism slips seat 3313,3314 gap of sliding block is set in
In connecting shaft 3312, the cylinder end of pieces of cloth mechanism cylinder 3315 is fixed in fixed seat 3312, and tailpiece of the piston rod is fixed in sliding block
3314。
Purpose is, using the expansion bracket of this kind of structure, it can be ensured that camera bag fixed plate 332 smoothly stretches into pieces of cloth position
At point, the strip-shaped hole in strip-shaped hole and pieces of cloth mechanism slips seat 3313 opened up thereon plays certain position-limiting action, effectively
It prevents from occurring the phenomenon that damaging egative film or vacuum chamber beforehand research part inner casing caused by dilatability is excessive.
Embodiment 3
21 signal of sensor is connected with audible-visual annunciator 22.Purpose is, convenient for notifying operator, inspection car 3 to arrived setting
Position starts the detection to longitudinal seam, makes manipulation more promptly and accurately.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of CFETR vacuum chambers beforehand research part longitudinal seam automatic flaw detection positioning device, it is characterised in that：Including can be in vacuum chamber
The inspection car run in the interlayer of beforehand research part shell and inner casing, is equipped with radiographic source machine on the inside of inner casing, at the bottom four corners of inspection car
Equipped with idler wheel, idler wheel connects with the driving mechanism for driving it to roll and turn to, and the top surface of inspection car is equipped with pieces of cloth mechanism, pieces of cloth machine
Structure includes expansion bracket and camera bag fixed plate, and expansion bracket one end is fixed on the bottom of inspection car, and the other end is fixed on camera bag fixed plate
On, the another side of camera bag fixed plate is equipped with the camera bag for placing egative film, and camera bag both sides are equipped with the sense being located in camera bag fixed plate
Magnet, radiographic source machine signal is answered to be connected with the sensor that can sense induced magnet, inspection car is additionally provided with fixed in short transverse
Position supporting mechanism, supporting mechanism for location includes the supporting rod for being symmetricly set on inspection car both sides, and two supporting rods are in medium position
It is hinged, the top of supporting rod is equipped with idler wheel, and a supporting rod bottom end is hinged on the surface of inspection car, the bottom end of another supporting rod
It is slidably arranged on the positioning support sliding seat being arranged on inspection car, the edge between the supporting bar top and middle part hinged end
Cylinder is arranged on the two side of supporting rod, the tailpiece of the piston rod of cylinder is hinged on the side wall of the supporting rod, the cylinder of cylinder
Seat end passes through the strip-shaped hole opened up on inspection car to be hinged on the cylinder block of flaw detection car bottom, passes through stretching for cylinder piston rod
The shears-like movement between two supporting rods is realized in contracting.
2. CFETR vacuum chambers beforehand research part longitudinal seam automatic flaw detection positioning device according to claim 1, feature exist
In：Idler wheel at the bottom four corners of the inspection car includes positioned at two driving wheels of inspection car bottom side and positioned at flaw detection
Two driven wheels of the car bottom other side, driving wheel generate driving force and steering force by the driving motor to connect with it.
3. CFETR vacuum chambers beforehand research part longitudinal seam automatic flaw detection positioning device according to claim 1, feature exist
In：The expansion bracket of the pieces of cloth mechanism includes four groups of X-type holders, and two groups of X-type holders are correspondingly arranged at another two groups of two groups of X-type branch
On frame, contact jaw is hinged by axis pin, and X-type holder is made of two hinged bodies of rod in middle part, same in the X-type holder of two groups of lower part
The bottom side of two bodies of rod at end is hinged in fixed seat, and top side is slidably mounted on camera bag fixed plate side by pin
In the strip-shaped hole of wall, another two post other sides of the same end are connected to cloth by connecting shaft in the X-type holder of two groups of lower part
In the strip-shaped hole of piece mechanism slips seat, top side is fixed in by pin on camera bag fixed plate side wall, in pieces of cloth mechanism slips seat
Equipped with sliding block, space of slider is set in connecting shaft, and the cylinder end of pieces of cloth mechanism cylinder is fixed in fixed seat, and tailpiece of the piston rod is solid
It is connected to sliding block.
4. CFETR vacuum chambers beforehand research part longitudinal seam automatic flaw detection positioning device according to claim 1, feature exist
In：The sensor signal is connected with audible-visual annunciator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810455878.2A CN108680588A (en) | 2018-05-14 | 2018-05-14 | CFETR vacuum chamber beforehand research part longitudinal seam automatic flaw detection positioning devices |
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| CN201810455878.2A CN108680588A (en) | 2018-05-14 | 2018-05-14 | CFETR vacuum chamber beforehand research part longitudinal seam automatic flaw detection positioning devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366493A (en) * | 2018-10-25 | 2019-02-22 | 滨州学院 | A kind of patch robot |
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Application publication date: 20181019 |