CN213165365U - Pipe seat fillet weld phased array detection pipe external scriber - Google Patents
Pipe seat fillet weld phased array detection pipe external scriber Download PDFInfo
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- CN213165365U CN213165365U CN202022115504.1U CN202022115504U CN213165365U CN 213165365 U CN213165365 U CN 213165365U CN 202022115504 U CN202022115504 U CN 202022115504U CN 213165365 U CN213165365 U CN 213165365U
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- connecting rod
- pen container
- scriber
- fillet weld
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Abstract
The utility model belongs to the technical field of nondestructive test and specifically relates to a tube seat fillet weld phased array detects outside of tubes scriber is related to, the telescopic link includes first connecting rod and second connecting rod, the one end fixedly connected with pen container of first connecting rod, the one end and the second connecting rod sliding connection of pen container are kept away from to first connecting rod, press from both sides in the pen container and establish the paint pen, the axis of paint pen and the axis mutually perpendicular of telescopic link, the one end that the pen container was kept away from to the second connecting rod articulates there are two dwang, the one end that the second connecting rod was kept away from to the dwang is equipped with the wheel, the axis of wheel is perpendicular with the axis of telescopic link, all articulate on two dwang has the regulation pole. The phase control detection method and the phase control detection device solve the problem that the phase control detection precision of the fillet weld of the tube seat is poor.
Description
Technical Field
The application relates to the field of nondestructive testing, in particular to an outer scriber for a pipe seat fillet weld phased array testing pipe.
Background
The tube seat fillet weld comprises an insertion tube seat fillet weld and a placement tube seat fillet weld, is a common structure, is widely applied to the fields of boiler equipment, oil transportation, nuclear power pipelines and the like, but the structure is easy to form the condition of stress concentration, and if the weld has welding defects during welding, the weld is easy to expand in the using process so as to crack and fail. Therefore, there is a need for defect detection of the fillet weld of the socket.
Ultrasonic detection is a nondestructive inspection method for inspecting internal defects of metal components by using ultrasonic waves, wherein ultrasonic waves are transmitted to the surface of a component by using a transmitting probe, different reflection signals are generated when the ultrasonic waves propagate in the component and meet different interfaces, and the effect of inspecting the internal defects of the component can be achieved according to the signal difference of the different reflection signals displayed on a fluorescent screen. The ultrasonic phased array is formed by arranging a plurality of piezoelectric wafers in a certain regular distribution mode, can effectively control the shape and the direction of an emitted ultrasonic beam, and realizes beam scanning, deflection and focusing of ultrasonic waves.
When the phased array is used for detecting the welding seam of the tube seat angle, the whole detection of the welding seam can be completed only by scanning a circle around the pipeline at a certain distance from the detected welding seam without scanning saw teeth. In phased array detection, the found defects need to be accurately positioned, and inaccurate positioning can cause a lot of problems to later-stage defect treatment. The distance between the front end of the detection probe and the welding seam is calculated according to the diameter, the thickness and other parameters of the pipeline in advance through a phased array focusing rule, the distance is difficult to keep constant when the detector is moved without any basis in the detection process, and the fluctuation of the distance can cause errors in the detection result, so that the phased detection precision of the fillet weld of the tube seat is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the relatively poor problem of phased detection precision of tube socket fillet weld, this application provides a tube socket fillet weld phased array detects outer scriber.
The application provides a pipe seat fillet weld phased array detects outside of tubes scriber adopts following technical scheme: the utility model provides a pipe seat fillet weld phased array detects outside of tubes scriber, which comprises a telescopic link, the telescopic link includes first connecting rod and second connecting rod, the one end fixedly connected with pen container of first connecting rod, the one end and the second connecting rod sliding connection of pen container are kept away from to first connecting rod, press from both sides in the pen container and establish the paint pen, the axis of paint pen and the axis mutually perpendicular of telescopic link, the one end that the pen container was kept away from to the second connecting rod articulates there are two dwangs, the one end that the second connecting rod was kept away from to the dwang is equipped with the wheel, the axis of wheel is perpendicular with the axis of telescopic link, all articulate on two dwangs has the.
Through adopting above-mentioned technical scheme, adjust the distance of paint pen to the welding seam that awaits measuring through the telescopic link, fixed different telescopic link length is in order to satisfy different marking off radiuses. Drag the junction of two regulating arms, can adjust the contained angle of two dwangs to the standpipe pipe wall of different diameters is adapted to, finds suitable contained angle after, screws up the bolt, and the relative position of two fixed regulating arms avoids the wheel to change along the contained angle of the gliding in-process two dwangs of pipe wall, fixes the telescopic link promptly to the distance of the welding seam that awaits measuring, ensures that the distance of drawing a line to the welding seam that awaits measuring is the fixed value, has improved the phase control detection precision of tube socket fillet weld.
Preferably, the top end of the pen container is sealed, and the interior of the pen container is connected with the paint pens through springs.
Through adopting above-mentioned technical scheme, because violently manage the surface and not the plane, consequently when paint brush marking off in-process meets the curved surface, the spring can automatically regulated pen container top and paint brush apart from between to guarantee that paint brush's nib can laminate all the time and violently manage the surface.
Preferably, the pen container both sides all are equipped with first screw hole, and two first screw holes are symmetrical about the axis of paint pen, and the spiro union has first stop screw in the first screw hole.
Through adopting above-mentioned technical scheme, first stop screw has restricted the motion of paint pen on the horizontal direction, guarantees that paint pen can only move in vertical direction through the spring, and rotatory first stop screw can adapt to the paint pen of different diameters.
Preferably, the distance from the joint of the adjusting rod and the rotating rod to the second connecting rod is greater than the length of the adjusting rod.
Through adopting above-mentioned technical scheme, injectd the length of adjusting lever, avoided two regulation poles to support the second connecting rod at the adjustment process.
Preferably, both sides of the second connecting rod are provided with second threaded holes, and second limit screws are screwed in the second threaded holes.
By adopting the technical scheme, when the first connecting rod moves to any position in a telescopic mode, the first connecting rod can be fixed relative to the second connecting rod through the friction force generated by the fact that the first connecting rod abuts against the fixing bolt, and the optional radius range of scribing of the scriber is enlarged.
Preferably, one end of the second connecting rod, which is close to the pen container, is provided with an arc surface facing the pen container to be concave inwards.
By adopting the technical scheme, when the first connecting rod and the pen container move towards the direction close to the second connecting rod, namely the telescopic rod is retracted, the pen container can be allowed to move for a longer distance due to the existence of the cambered surface, the telescopic range of the telescopic rod is expanded, and the effective distance of marking is increased.
Preferably, the surface of the first connecting rod is provided with a linear groove, the linear groove is arranged along the length direction of the first connecting rod, the corresponding position of the inner surface of the second connecting rod is provided with a bulge, and the bulge is in sliding fit with the linear groove.
Through adopting above-mentioned technical scheme, the arch can slide in sharp recess, has guaranteed that first connecting rod can only slide on the axial for the second connecting rod, avoids first connecting rod to take place to rotate for the second connecting rod.
Preferably, a handle is arranged on the side surface of the second connecting rod.
Through adopting above-mentioned technical scheme, when needs rotate the scriber, only need hold the handle and promote and to make its motion, convenient and easily operation.
Drawings
FIG. 1 is a schematic view of the overall structure of an external scriber of a phased array inspection pipe for fillet welds of a pipe seat according to an embodiment of the present application;
FIG. 2 is a top view of an outer scriber of a phased array tube for fillet weld of a tube socket according to an embodiment of the present disclosure;
fig. 3 is a sectional view taken along line a-a of fig. 2.
Description of reference numerals: 1. a telescopic rod; 2. a first link; 3. a second link; 4. a pen container; 5. a first threaded hole; 6. rotating the rod; 7. a wheel; 8. adjusting a rod; 9. a linear groove; 10. a cambered surface; 11. a spring; 12. a handle; 13. a first limit screw; 14. a paint pen; 15. a second threaded hole; 16. a second limit screw; 17. a protrusion; 18. a bolt; 19. a transverse tube; 20. a standpipe.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses pipe base fillet weld phased array detects outside of tubes scriber, refers to figure 1, includes telescopic link 1. The telescopic link 1 comprises first connecting rod 2 and second connecting rod 3, and the one end and the second connecting rod 3 of first connecting rod 2 are at telescopic link 1's axial sliding connection, and the one end fixedly connected with pen container 4 of second connecting rod 3 is kept away from to first connecting rod 2, accompanies paint pen 14 in the pen container 4, and paint pen 14 perpendicular to telescopic link 1 axial is placed. The one end that pen container 4 was kept away from to second connecting rod 3 articulates there are two dwang 6, and the one end that telescopic link 1 was kept away from to dwang 6 is connected with wheel 7, and two wheels 7 are the one-way wheel to the axis of wheel 7 is perpendicular with the axis of telescopic link 1, has guaranteed that the wheel can be on the outer wall of pipe horizontal slip.
Referring to fig. 2, two opposite sides of the second connecting rod 3 are respectively provided with a second threaded hole 15, and each second threaded hole 15 is screwed with a second limit screw 16. During the sliding of the first link 2 relative to the second link 3, if a suitable scribing radius is found, the second limit screw 16 can be tightened to fix the position of the first link 2 relative to the second link 3, i.e. to fix the telescopic length of the entire telescopic rod 1.
Referring to fig. 2, an adjusting rod 8 is hinged to one side of each of the two rotating rods 6, and the ends of the adjusting rods 8 are hinged to each other through bolts 18. The operator can drag the bolt 18 penetrating the two adjusting rods 8 to drive the adjusting rods 8 to adjust the included angle of the two rotating rods 6, so that the pipe wall with different diameters can be adapted. After finding suitable contained angle, screw up bolt 18, can fix the relative position of two dwang 6, avoided the scriber along the gliding in-process of pipe wall, the condition that two dwang 6 contained angles change, fixed telescopic link 1 is to the distance of the welding seam that awaits measuring promptly, has guaranteed that the distance of drawing a line to the welding seam that awaits measuring is the fixed value.
Referring to fig. 2, the distance from the hinged joint of the adjusting rod 8 and the rotating rod 6 to the second connecting rod 3 is greater than the length of the adjusting rod 8, so that the situation that the pipe wall of the second connecting rod 3 is touched by the joint of the two adjusting rods 8 in the process of adjusting the angle of the rotating rod 6, and the opening angle of the rotating rod 6 is limited is avoided.
Referring to fig. 2, one end of the second connecting rod 3 close to the first connecting rod 2 is provided with a concave cambered surface 10, and the cambered surface 10 is opposite to the pen container 4. When the length of the telescopic rod 1 is reduced to the minimum, the cambered surface 10 is in contact with the side surface of the pen container 4 and is matched with the pen container in shape, the telescopic range of the telescopic rod 1 is expanded, and the effective distance of marking is increased. A handle 12 is arranged on one side of the second connecting rod 3, which is far away from the tip end of the paint pen 14, so that the handle 12 can be held to operate when the scriber is pushed, and the operation is more convenient.
Referring to fig. 3, the top of the pen container 4 is sealed, the top wall inside the pen container 4 is connected with the paint pens 14 through the springs 11, and the springs 11 are in a compressed state, so that the paint pens 14 can automatically adjust the length according to the distance from the pen point of the paint pen 14 to the surface of the transverse tube 19. The two sides of the pen container 4 are provided with first threaded holes 5, the central axis of each first threaded hole 5 is perpendicular to the central axis of the pen container 4, the first threaded holes 5 are in threaded connection with first limit screws 13, the first limit screws 13 can be adjusted according to the difference of the diameters of the paint pens 14, certain limiting effect is achieved on the paint pens 14 in the horizontal direction, and the paint pens 14 can only move in the vertical direction.
Referring to fig. 3, the outer surface of the first link 2 is provided with a linear groove 9 along the axial direction, the inner wall of the second link 3 is provided with a protrusion 17 at a corresponding position, and the protrusion 17 is slidably fitted in the linear groove 9, so that the first link 2 can only perform linear motion along the axial direction relative to the second link 3 and can not rotate, thereby ensuring that the tip of the painting pen 14 can be always perpendicular to the surface of the transverse tube 19.
The implementation principle of the pipe seat fillet weld phased array detection pipe outside scriber in the embodiment of the application is as follows: in the initial state, the painting pen 14 is placed in the pen container 4, the first limit screw 13 is rotated to limit the horizontal movement of the painting pen 14, the two wheels 7 are pressed against the outer wall of the vertical tube 20, and the tip of the painting pen 14 is in contact with the surface of the horizontal tube 19. The contained angle that two dwang 6 were adjusted in order to adapt to different pipe diameters to the junction of pulling two regulating stems 8, finds suitable contained angle after, screws up two bolts 18 of adjusting the junction of pole 8 to the relative position of two dwang 6 of this fixed, fixed telescopic link 1 is to the distance of the welding seam that awaits measuring promptly. The first connecting rod 2 is pulled to adjust the radius of the scribing line, and after a proper position is found, the second limiting screw 16 is screwed down, so that the first connecting rod 2 and the second connecting rod 3 are fixedly connected relatively, namely the length of the telescopic rod 1 is fixed. Finally, the distance from the paint pen 14 to the weld joint to be detected is a fixed value, and the scribing accuracy is guaranteed, so that the phase control detection precision of the fillet weld of the tube seat is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a pipe base fillet weld phased array detects outside of tubes scriber which characterized in that: including telescopic link (1), telescopic link (1) includes first connecting rod (2) and second connecting rod (3), the one end fixedly connected with pen container (4) of first connecting rod (2), the one end and second connecting rod (3) sliding connection of pen container (4) are kept away from in first connecting rod (2), press from both sides in pen container (4) and establish paint pen (14), the axis of paint pen (14) and the axis mutually perpendicular of telescopic link (1), the one end that pen container (4) were kept away from in second connecting rod (3) articulates there are two dwang (6), the one end that second connecting rod (3) were kept away from in dwang (6) is equipped with wheel (7), the axis of wheel (7) is perpendicular with the axis of telescopic link (1), all articulated on two dwang (6) have regulation pole (8), the one end that dwang (6) were kept away from in two regulation poles (8) is passed through bolt (18).
2. The pipe seat fillet weld phased array inspection pipe exterior scriber of claim 1, wherein: the top end of the pen container (4) is sealed, and the interior of the pen container (4) is connected with the paint pens (14) through springs (11).
3. The pipe seat fillet weld phased array inspection pipe exterior scriber of claim 1, wherein: the pen container (4) is characterized in that first threaded holes (5) are formed in the two sides of the pen container (4), the two first threaded holes (5) are symmetrical about the central axis of a paint pen (14), and a first limiting screw (13) is screwed in the first threaded holes (5).
4. The pipe seat fillet weld phased array inspection pipe exterior scriber of claim 1, wherein: the distance from the joint of the adjusting rod (8) and the rotating rod (6) to the second connecting rod (3) is greater than the length of the adjusting rod (8).
5. The pipe seat fillet weld phased array inspection pipe exterior scriber of claim 1, wherein: and second threaded holes (15) are formed in two sides of the second connecting rod (3), and second limiting screws (16) are screwed in the second threaded holes (15).
6. The pipe seat fillet weld phased array inspection pipe exterior scriber of claim 1, wherein: one end of the second connecting rod (3) close to the pen container (4) is provided with a cambered surface (10) which is opposite to the pen container (4) and is concave inwards.
7. The pipe seat fillet weld phased array inspection pipe exterior scriber of claim 1, wherein: linear grooves (9) are formed in the surface of the first connecting rod (2), the linear grooves (9) are arranged along the length direction of the first connecting rod (2), protrusions (17) are arranged at corresponding positions of the inner surface of the second connecting rod (3), and the protrusions (17) are in sliding fit with the linear grooves (9).
8. The pipe seat fillet weld phased array inspection pipe exterior scriber of claim 1, wherein: a handle (12) is arranged on the side surface of the second connecting rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022115504.1U CN213165365U (en) | 2020-09-23 | 2020-09-23 | Pipe seat fillet weld phased array detection pipe external scriber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022115504.1U CN213165365U (en) | 2020-09-23 | 2020-09-23 | Pipe seat fillet weld phased array detection pipe external scriber |
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| Publication Number | Publication Date |
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| CN213165365U true CN213165365U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022115504.1U Active CN213165365U (en) | 2020-09-23 | 2020-09-23 | Pipe seat fillet weld phased array detection pipe external scriber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023004998A1 (en) * | 2021-07-26 | 2023-02-02 | 中车株洲电机有限公司 | Assist device for angle alignment assembly of pinion shaft and coupling |
-
2020
- 2020-09-23 CN CN202022115504.1U patent/CN213165365U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023004998A1 (en) * | 2021-07-26 | 2023-02-02 | 中车株洲电机有限公司 | Assist device for angle alignment assembly of pinion shaft and coupling |
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