CN108132265A - A kind of small diameter tube X-ray radiography elliptic projection locator - Google Patents
A kind of small diameter tube X-ray radiography elliptic projection locator Download PDFInfo
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- CN108132265A CN108132265A CN201711476887.1A CN201711476887A CN108132265A CN 108132265 A CN108132265 A CN 108132265A CN 201711476887 A CN201711476887 A CN 201711476887A CN 108132265 A CN108132265 A CN 108132265A
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- main body
- laser designator
- small diameter
- diameter tube
- measuring
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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
- G01N23/02—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 by transmitting the radiation through the material
- G01N23/04—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 by transmitting the radiation through the material and forming images of the material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/03—Investigating materials by wave or particle radiation by transmission
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/10—Different kinds of radiation or particles
- G01N2223/101—Different kinds of radiation or particles electromagnetic radiation
- G01N2223/1016—X-ray
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/30—Accessories, mechanical or electrical features
- G01N2223/321—Accessories, mechanical or electrical features manipulator for positioning a part
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
Abstract
The invention discloses a kind of small diameter tube X-ray radiography elliptic projection locators,Including main body,Laser designator,Laser designator includes preceding laser designator and rear laser designator,The preceding laser designator is arranged at body front end center,Laser designator is arranged at body rear center afterwards,Main body is laterally formed with long slot bore,Long slot bore center is formed with installation crossbeam,The upper surface for being arranged on main body can be along the opposite slip of long slot bore and the measuring claw of the center line symmetrical setting relative to main body,Measuring claw and body normal,The lower surface of main body is provided with two Mobile bases being connect with two measuring claws,Two Mobile bases are respectively connected with a rack,A rotatable gear is provided between two Mobile bases,Two racks are meshed respectively with the both sides of gear,Fastening bolt is placed through on gear,And it is fixedly connected with installation crossbeam,Simulate the center line in orientation X-ray production apparatus radiation field and oval opening width after weld seam angulation and photograph,Improve working efficiency.
Description
Technical field
The invention belongs to small diameter tube technical field of nondestructive testing, refer in particular to a kind of small diameter tube X-ray radiography elliptic projection
Locator.
Background technology
At present, in sensitivity of film small diameter tube well known to field of non destructive testing, standard requires the ellipse formed on egative film to open
The maximum spacing of weld seam projection will be in 3mm~10mm about mouth width degree, and in order to reach standard requirement, testing staff will be according to small diameter tube
Offset distance formula calculated, Lo=[F-Do+ Δs h] × b+q/ Do+ Δs h, F-- focal length, Do-- paths pipe outside diameter,
Lo-- eccentricities, Δ h-- weld reinforcements, b-- weld widths, the elliptical opening widths of q--（Between oval image short-axis direction
Away from）If detecting the small diameter tube of different model specification, it will measure and calculate, time when will greatly increase work.
The patent No.：ZL201510656954.2 disclose a kind of small diameter tube X radiography elliptic projection positioning rules and its
A kind of operating method, operating method of small diameter tube X radiographies elliptic projection positioning rule, includes the following steps：
Step 1: the assembling of positioning rule：Balancing point is connected to by fastener on positioning plate, the second right angle is set on positioning plate
Ruler sets the first square on balancing point, and laser designator is set in balancing point front end, and adsorption magnet is set in positioning plate one end,
Complete the installation of positioning rule；
Step 2: the placement of positioning rule：The distance for adjusting the second square horizontal sides and positioning plate plane is small diameter tube to be checked
Radius screws lock-screw, and positioning rule is fixed on by adsorption magnet on tube wall, positioning plate one end is made to abut against weld edge
And make there is scale to be close to tube wall, while make the bottom of the second square horizontal sides and path tube wall tangent on one side, loose nut is adjusted,
Movable balancing point makes the bottom of the first square horizontal sides traverse axis of a weld, while makes balancing point needle point and weld edge distance
In 3mm ~ 10mm, tightening nut completes the placement of positioning rule for control.
Step 3: the placement of X-ray machine X, X-ray machine X is placed in the side that small diameter tube is equipped with positioning rule, focal length measurement, together
When make the window of laser rays perpendicular ray machine that laser designator sends out and by window center, complete the placement of X-ray machine X, on
It states a kind of small diameter tube X radiography elliptic projection positioning rules involved by patent and uses the second square and first due to needing
Square, although qualified egative film can accurately be shot, compare for, two squares has been used to operate respectively,
Make inconvenient.
Invention content
The technical problems to be solved by the invention are present situations for the above-mentioned prior art, and provide simple in structure, operation side
Just orientation is accurate, and can be implemented without a kind of small diameter tube X-ray radiography elliptic projection locator calculated, applies in path
Operating method in pipe X radiography elliptic projections, Fast Modular draw up the center line and weld seam in orientation X-ray production apparatus radiation field
Oval opening width after angulation and photograph, effectively improves working efficiency.
Technical solution is used by the present invention solves above-mentioned technical problem：
A kind of small diameter tube X-ray radiography elliptic projection locator, including main body, laser designator, laser designator includes preceding sharp
Optical indicator and rear laser designator, the preceding laser designator are arranged at body front end center, rear laser designator setting
At body rear center, main body is laterally formed with long slot bore, and long slot bore center is formed with installation crossbeam, is arranged on the upper surface of main body
It can be along the opposite slip of long slot bore and the measuring claw of the center line symmetrical setting relative to main body, measuring claw and body normal, main body
Lower surface be provided with two Mobile bases being connect with two measuring claws, two Mobile bases are respectively connected with a rack, two movements
A rotatable gear is provided between seat, two racks are meshed respectively with the both sides of gear, and fastening bolt is placed through gear
On, and be fixedly connected with installation crossbeam；The lower surface of main body is located at long slot bore both sides, and to be formed respectively with twice parallel with long slot bore
Rib is formed with the convex body being adapted with rib on two racks.
To optimize above-mentioned technical proposal, the measure taken further includes：
Above-mentioned gear lower end is formed with a circle body flange, and the lower end of body flange is formed with lower cylinder, the upper surface of body flange and tooth
Bottom surface offsets, and gear upper end is formed with cylinder, and upper surface and the body lower surface of upper cylinder offset.
Lower housing is provided with below above-mentioned main body.
The lower mounting portion for the tubular structure being adapted with fastening bolt is formed at above-mentioned lower housing center straight up, is pacified
Dress crossbeam is formed with the upper mounting portion for the tubular structure being adapted with the fastening bolt straight down, and upper mounting portion inner surface is formed with
The internal thread being adapted with the fastening bolt, fastening bolt are placed through in lower mounting portion and gear, and are fixed with upper mounting portion
Connection.
Above-mentioned lower cylinder lower surface is formed with first annular slot, and the corresponding position in lower housing upper surface is formed with the first ring
Shape slot is provided with ball in annular groove, and upper cylinder upper surface is formed with the second annular groove, the corresponding position system of body lower surface
There is the second annular groove, ball is provided in annular groove, after fastening bolt is tightened, what gear can rotate is arranged on lower housing and master
Between body.
Upper shell is provided with above above-mentioned main body, upper shell is formed with the sliding groove being adapted with measuring claw.
Be provided with measuring staff on above-mentioned measuring claw, two measuring claws any one locking device is equipped on measuring claw.
With being formed with the sleeve being adapted with laser designator at body rear center at above-mentioned body front end center.
Hinge has supporting rod at the upper surface center of above-mentioned upper shell, and the supporting rod other end is provided with magnet, supporting rod
For telescopic rod.
The end face center point of two above-mentioned measuring staffs, the laser emission point of preceding laser designator and rear laser designator swash
Light emitting point is in the same plane, the laser emission point institute structure of the laser emission point of preceding laser designator and rear laser designator
Into straight line it is with the straight line that the end face center point of two measuring staffs is formed vertical, magnet end face central point, preceding laser designator
The laser emission point of laser emission point and rear laser designator is in the same plane.
Compared with prior art, a kind of small diameter tube X-ray radiography elliptic projection locator of the invention including main body, swashs
Optical indicator, laser designator include preceding laser designator and rear laser designator, and the preceding laser designator is arranged on main body
At front end center, rear laser designator is arranged at body rear center, and main body is laterally formed with long slot bore, and long slot bore center is formed with
Crossbeam is installed, the upper surface for being arranged on main body can be along the opposite slip of long slot bore and the survey of the center line symmetrical setting relative to main body
Measuring jaw, the lower surface of main body are provided with two Mobile bases being connect with two measuring claws, and two Mobile bases are respectively connected with a rack,
A rotatable gear is provided between two Mobile bases, two racks are meshed respectively with the both sides of gear, and fastening bolt is worn
It is placed on gear, and is fixedly connected with installation crossbeam；The lower surface of main body is located at long slot bore both sides and is formed respectively with twice and elongated slot
The parallel rib in hole is formed with the convex body being adapted with rib on two racks, and rack and pinion of the invention is used cooperatively, and slides
One of measuring claw, another measuring claw can slide simultaneously, facilitate distance between two measuring claws of adjusting, and laser designator begins
Final position is in two measuring claw centers, and in practical operation, two measuring claws can quickly find out the diameter of small diameter tube weld seam, and
The laser point fallen on small diameter tube of laser designator transmitting is located on the center line of small diameter tube afterwards, it is only necessary to rotating body,
The laser point that rear laser designator emits and weld edge distance L are controlled in 3mm ~ 10mm, the best value of wherein L is 1/2
Weld width, the window of laser rays perpendicular ray machine that preceding laser designator is sent out and by window center complete X-ray machine X
Place, provide it is simple in structure, it is easy to operate, orientation is accurate, and can be implemented without a kind of small diameter tube X-ray radiography calculated
Elliptic projection locator, Fast Modular draw up center line and weld seam angulation and photograph in orientation X-ray production apparatus radiation field
Oval opening width afterwards effectively improves working efficiency.
Description of the drawings
Fig. 1 is the vertical view of locator of the present invention；
Fig. 2 is locator decomposition diagram；
Fig. 3 is the bottom view after locator removal lower housing；
Fig. 4 is the vertical view after locator removal upper shell；
Fig. 5 is the sectional view of A-A in Fig. 1；
Fig. 6 is the vertical view that locator is placed on after small diameter tube positioning to be measured；
Fig. 7 is the left view that locator is placed on after small diameter tube positioning to be measured.
Specific embodiment
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
Fig. 1 to Fig. 7 is the structure diagram of the present invention.
Reference numeral therein is：Main body 1, long slot bore 11, sleeve 12, installation crossbeam 13, upper mounting portion 121, laser refer to
Show device 2, preceding laser designator 21, rear laser designator 22, measuring claw 3, measuring staff 31, locking device 32, Mobile base 4, rack 41,
Gear 42, fastening bolt 43, rib 44, body flange 421, lower cylinder 422, upper cylinder 423, first annular slot 424, second
Annular groove 425, lower housing 5, lower mounting portion 51, upper shell 6, sliding groove 61, supporting rod 7, magnet 71.
Fig. 1 to Fig. 7 is the structure diagram of the present invention.
As shown in the figure：
A kind of small diameter tube X-ray radiography elliptic projection locator, including main body 1, laser designator 2, before laser designator 2 includes
Laser designator 21 and rear laser designator 22, the preceding laser designator 21 are arranged at 1 front end center of main body, and rear laser refers to
Show that device 22 is arranged at 1 back-end central of main body, main body 1 is laterally formed with long slot bore 11, and 11 center of long slot bore is formed with installation crossbeam 13,
The upper surface for being arranged on main body 1 can be along the opposite slip of long slot bore 11 and the measuring claw of the center line symmetrical setting relative to main body 1
3, measuring claw 3 is string configuration, and also elongated framework, measuring claw 3 and body normal, the lower surface of main body 1 are set main body 1
There are two Mobile bases 4 being connect with two measuring claws 3, measuring claw is fixedly connected with Mobile base by screw, and two Mobile bases 4 connect
Be connected to a rack 41, be provided with a rotatable gear 42 between two Mobile bases 4, two racks 41 respectively with gear 42 two
Side is meshed, and fastening bolt 43 is placed through on gear 42, and is fixedly connected with installation crossbeam 13, and rack and pinion of the invention is matched
It closing and uses, slide one of measuring claw, another measuring claw can slide simultaneously, facilitate distance between two measuring claws of adjusting, and
Laser designator is always positioned at two measuring claw centers, and in practical operation, two measuring claws can quickly find out small diameter tube
The diameter of weld seam, and the laser point fallen on small diameter tube of rear laser designator transmitting is located on the center line of small diameter tube, it is main
The lower surface of body 1 is located at 11 both sides of long slot bore and is formed respectively with the twice rib 44 parallel with long slot bore 11, is made on two racks 41
There is the convex body being adapted with rib 44, convex body slides with rib contacts, reduces frictional force, can add in lubricating oil when necessary.
In embodiment, 42 lower end of gear is formed with a circle body flange 421, and the lower end of body flange 421 is formed with lower cylinder 422,
The upper surface of body flange 421 offsets with 41 bottom surface of rack, and 42 upper end of gear is formed with cylinder 423, the upper end of upper cylinder 423
Face offsets with 1 lower surface of main body, and the end of gear, which is respectively formed with cylinder, reduces contact area, increases gear flexibility ratio.
In embodiment, the lower section of main body 1 is provided with lower housing 5, and lower housing is fixed with main body by screw, and lower housing is by main body
The parts of lower section wrap, from damage.
In embodiment, the lower peace for the tubular structure being adapted with fastening bolt 43 is formed at 5 center of lower housing straight up
Dress portion 51, installation crossbeam 13 are formed with the upper mounting portion 121 for the tubular structure being adapted with the fastening bolt 43 straight down, on
121 inner surface of mounting portion is formed with the internal thread being adapted with the fastening bolt 43, and fastening bolt 43 is placed through lower mounting portion 51
It is fixedly connected on gear 42, and with upper mounting portion 121.
In embodiment, lower 422 lower surface of cylinder is formed with first annular slot 424, the corresponding position in 5 upper surface of lower housing
First annular slot 424 is formed with, ball is provided in annular groove, upper 423 upper surface of cylinder is formed with the second annular groove 425, main body 1
The corresponding position in lower surface is formed with the second annular groove 425, and ball, after fastening bolt 43 is tightened, gear are provided in annular groove
42 can rotate be arranged between lower housing 5 and main body 1, ball can be slided preferably, can add in lubricating oil when necessary.
In embodiment, 1 top of main body is provided with upper shell 6, and upper shell 6 is formed with the sliding groove 61 being adapted with measuring claw 3,
Upper shell is fixed with main body by screw, ensures the accuracy that measuring claw slides.
In embodiment, measuring staff 31 is provided on measuring claw 3, is pivoted between measuring staff and measuring claw, measuring claw can be with measuring staff
Centered on rotate, any one is equipped with locking device 32 on measuring claw 3 for two measuring claws 3, and locking device is made of locking nut,
Screw hole is provided on measuring claw, nut coordinates with upper shell edge, and can be locked measuring claw, prevent measuring claw from sliding
It is dynamic.
In embodiment, the set being adapted with laser designator is formed with at 1 back-end central of main body at 1 front end center of main body
Cylinder 12, laser designator may be inserted into sleeve, facilitate the fixation and dismounting of laser designator.
In embodiment, hinge has supporting rod 7 at the upper surface center of upper shell 6, and 7 other end of supporting rod is provided with magnet
71, supporting rod 7 is telescopic rod, after main direction rotates well, using supporting rod, makes the angle adjusted will not be because of shaking and its
Its reason causes angle offset variation, and supporting rod is telescopic rod, is conducive to adjust branch according to the small diameter tube of different tube diameters in this way
The length of strut prevents supporting rod locator caused by length reason from can not use, and magnet adsorption makes support more on small diameter tube
Stablize.
In embodiment, the end face center point of two measuring staffs 31, the laser emission point of preceding laser designator 21 and rear laser refer to
Show that the laser emission point of device 22 is in the same plane, the laser emission point of preceding laser designator 21 and rear laser designator 22
The straight line that laser emission point is formed is vertical with the straight line that the end face center point of two measuring staffs 31 is formed, 71 end face center of magnet
The laser emission point of point, the laser emission point of preceding laser designator 21 and rear laser designator 22 is in the same plane, in this way
Sophisticated design could reduce error, improve precision.
Application method, the one of measuring claw of sliding locator, another measuring claw can slide simultaneously, and small diameter tube to be measured is placed in
Between two measuring staff end faces, and measuring staff end face center point is in the center of weld seam, and two measuring staffs can quickly be found out small
The diameter of diameter pipe weld seam, and the laser point fallen on small diameter tube of rear laser designator transmitting is located in the center line of small diameter tube
On, using locking device, measuring claw is locked, locator can rotate by axis of two measuring staff end face center points, rear laser is referred to
Show that the laser point of device transmitting and weld edge distance L are controlled in 3mm ~ 10mm, the best value of wherein L is 1/2 weld width, preceding
The window of laser rays perpendicular ray machine that laser designator is sent out and by window center, completes the placement of X-ray machine X.
Highly preferred embodiment of the present invention has illustrated, and the various change or remodeling made by those of ordinary skill in the art are not
It can depart from the scope of the present invention.
Claims (10)
1. a kind of small diameter tube X-ray radiography elliptic projection locator, including main body (1), laser designator (2), it is characterized in that：Institute
The laser designator (2) stated includes preceding laser designator (21) and rear laser designator (22), the preceding laser designator (21)
It is arranged at described main body (1) front end center, the rear laser designator (22) is arranged in described main body (1) rear end
At the heart, the main body (1) is laterally formed with long slot bore (11), and the long slot bore (11) center is formed with installation crossbeam (13), if
Putting can relatively slide along long slot bore (11) in the upper surface of the main body (1) and symmetrically be set relative to the center line of main body (1)
The measuring claw (3) put, the lower surface of the main body (1) are provided with two Mobile bases (4) being connect with two measuring claws (3),
Two Mobile bases (4) are respectively connected with a rack (41), are provided with a rotatable gear (42) between two Mobile bases (4), and two
Both sides of a rack (41) respectively with gear (42) are meshed, and fastening bolt (43) is placed through on the gear (42), and with
The installation crossbeam (13) is fixedly connected；The lower surface of the main body (1) is located at long slot bore (11) both sides and is formed respectively with two
The road rib (44) parallel with long slot bore (11) is formed with the convex body being adapted with rib (44) on two racks (41).
2. a kind of small diameter tube X-ray radiography elliptic projection locator according to claim 1, it is characterized in that：The tooth
Wheel (42) lower end is formed with a circle body flange (421), and the lower end of the body flange (421) is formed with lower cylinder (422), described
The upper surface of body flange (421) offsets with rack (41) bottom surface, and the gear (42) upper end is formed with cylinder (423), institute
The upper surface for the upper cylinder (423) stated offsets with main body (1) lower surface.
3. a kind of small diameter tube X-ray radiography elliptic projection locator according to claim 2, it is characterized in that：The master
Lower housing (5) is provided with below body (1).
4. a kind of small diameter tube X-ray radiography elliptic projection locator according to claim 3, it is characterized in that：Under described
The lower mounting portion (51) for the tubular structure being adapted with the fastening bolt (43) is formed at housing (5) center straight up,
The installation crossbeam (13) is formed with the upper mounting portion of tubular structure being adapted with the fastening bolt (43) straight down
(121), the upper mounting portion (121) inner surface is formed with the internal thread being adapted with the fastening bolt (43), and described is tight
Fixing bolt (43) is placed through in the lower mounting portion (51) and gear (42), and is fixed and connected with the upper mounting portion (121)
It connects.
5. a kind of small diameter tube X-ray radiography elliptic projection locator according to claim 4, it is characterized in that：Under described
Cylinder (422) lower surface is formed with first annular slot (424), and the lower housing (5) corresponding position in upper surface is formed with
One annular groove (424) is provided with ball in annular groove, and described upper cylinder (423) upper surface is formed with the second annular groove
(425), the main body (1) corresponding position in lower surface is formed with the second annular groove (425), and ball is provided in annular groove,
After the fastening bolt (43) is tightened, what the gear (42) can rotate is arranged on the lower housing (5) and main body
(1) between.
6. a kind of small diameter tube X-ray radiography elliptic projection locator according to claim 5, it is characterized in that：The master
Upper shell (6) is provided with above body (1), the upper shell (6) is formed with the sliding groove (61) being adapted with measuring claw (3).
7. a kind of small diameter tube X-ray radiography elliptic projection locator according to claim 6, it is characterized in that：The survey
Be provided with measuring staff (31) on measuring jaw (3), two measuring claws (3) any one locking device (32) is equipped on measuring claw (3).
8. a kind of small diameter tube X-ray radiography elliptic projection locator according to claim 7, it is characterized in that：The master
At body (1) front end center the sleeve being adapted with laser designator (12) is formed with at described main body (1) back-end central.
9. a kind of small diameter tube X-ray radiography elliptic projection locator according to claim 8, it is characterized in that：Described is upper
Hinge has supporting rod (7) at the upper surface center of housing (6), and the supporting rod (7) other end is provided with magnet (71), described
Supporting rod (7) be telescopic rod.
10. a kind of small diameter tube X-ray radiography elliptic projection locator according to claim 9, it is characterized in that：Two measuring staffs
(31) at the laser emission point of end face center point, the laser emission point of preceding laser designator (21) and rear laser designator (22)
In the same plane, the laser emission point of preceding laser designator (21) and the laser emission point of rear laser designator (22) are formed
Straight line it is vertical with the straight line that the end face center point of two measuring staffs (31) is formed, magnet (71) end face center point, preceding laser refer to
Show that the laser emission point of device (21) and the laser emission point of rear laser designator (22) are in the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476887.1A CN108132265B (en) | 2017-12-29 | 2017-12-29 | Small-diameter tube X-ray photography elliptical projection positioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476887.1A CN108132265B (en) | 2017-12-29 | 2017-12-29 | Small-diameter tube X-ray photography elliptical projection positioner |
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| CN108132265A true CN108132265A (en) | 2018-06-08 |
| CN108132265B CN108132265B (en) | 2020-10-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111587718A (en) * | 2020-05-25 | 2020-08-28 | 沈阳农业大学 | Bilateral window-turning type top ventilation device of circular arch greenhouse |
| CN113280224A (en) * | 2021-06-18 | 2021-08-20 | 东营正大金属制品有限公司 | Marketing scheme intention excitation device |
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