CN101846657A - Pipe end ultrasonic flaw detection device - Google Patents
Pipe end ultrasonic flaw detection device Download PDFInfo
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- CN101846657A CN101846657A CN200910048377A CN200910048377A CN101846657A CN 101846657 A CN101846657 A CN 101846657A CN 200910048377 A CN200910048377 A CN 200910048377A CN 200910048377 A CN200910048377 A CN 200910048377A CN 101846657 A CN101846657 A CN 101846657A
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Abstract
The invention introduces a pipe end ultrasonic flaw detection device which is used for detecting steel pipe end flaws, and comprises a main frame, a carrier roller device, a steel pipe sealing device, a flaw detection water tank and two flaw detection components; the carrier roller device is arranged on one side of the main frame and is used for supporting a steel pipe; the steel pipe sealing device is arranged on the other side of the main frame, and the center thereof aims to the center of the steel pipe, for the sealing of the steel pipe end; the flaw detection water tank can be arranged on the main frame in a lifting way through a water tank lifting device; the flaw detection water tank comprises a lifting seat and at least a pair of balls; the two flaw detection components are respectively and symmetrically arranged on both sides of the lower part of the water tank; and each flaw detection component comprises a probe, a probe seat and a regulating probe mechanism. The pipe end ultrasonic flaw detection device adopts the flaw detection method in which the steel pipe rotates and the probe has linear motion. Compared with traditional water spray methods, the invention significantly saves the used amount of water; and compared with manual flaw detection, the invention has significantly higher flaw detection precision and working efficiency.
Description
Technical field
The present invention relates to steel pipe nondestructive testing technique field, especially a kind of pipe end ultrasonic flaw detection device.
Background technology
The flaw detection of product needed such as high-pressure boiler tube, oil well pipe is to examine the quality of the production.Steel pipe manufacturing plant generally adopts defect detection on ultrasonic basis, the defective on the check steel pipe.Standard GB/T5777 (that is: seamless steel pipe supersonic flaw detection method) regulation adopts the transverse wave reflection method to carry out automatic gauging under the state that probe and steel pipe relatively move, and has only special large-diameter steel pipe just can carry out hand test.Automatically or during hand test, all should guarantee scanning to the pipe all surfaces.Can not effectively check the steel pipe two ends during automatic gauging, but this zone should be controlled in 200 millimeters.
Along with the raising of tube product quality requirements, can not there be the zone that does not have detection on the customer requirements steel pipe, for this reason, the pipe end excision that some producer can not effectively check can reduce quality risk though do like this, causes the waste of steel.The producer's magnetic powder inspection method that also has, check pipe end defective, but magnetic powder inspection can only be checked the defective on steel tube surface and nearly surface, and the defective of steel duct can not effectively be checked, and still has quality risk.
Existing auto-ultrasonic defect-detecting equipment has the steel pipe straight ahead, and the flaw detection mode of probe rotation adopts the rotary inspection technique of probe.Probe is installed in the rotary body, probe rotation during work, and steel pipe passes the rotary body central line and advances, and probe is detected a flaw to steel pipe.This kind body automatic flaw detection method, the scanning vestige of probe on body presents the feature that spirality distributes, in order to distinguish the detection signal of adjacent two tubes, or the undesired signal of place to go pipe end, generally can adopt pipe end signal excision mode, so in the automatic flaw detection process, two heads of pipe respectively have one section not detectable region.
It is motionless to pop one's head in, the flaw detection mode that steel pipe rotation and spiral advance.Steel pipe is driven by pinch roll, wheel, and spiral advances by probe, carries out the body flaw detection.Because pinch roll, the axis of wheel and the axis of steel pipe are certain included angle, and in the automatic flaw detection process, angle is generally fixed, so respectively there is one section not detectable region two ends of pipe.
Manual flaw detection during with the water spray probe, can be checked the position very near apart from pipe end, but when the edge of water spray probe during near the pipe end position, water flows out from the slit at probe edge, coupling water yield instability, the flaw detection precision be cannot say for sure to demonstrate,prove, and the production of manual flaw detection joint is slowly rapid.Carry out manual flaw detection with contact method, during flaw detection, the large-diameter steel pipe effect is better, but the poor repeatability of small-caliber steel pipe check.
Summary of the invention
The purpose of this invention is to provide a kind of ultrasonic flaw detecting device at pipe end, the defective of steel tube end part position is carried out the UT (Ultrasonic Testing) check, the pipe end that produces in the elimination automatic flaw detection process is detectable region not.
In order to achieve the above object, the invention provides a kind of pipe end ultrasonic flaw detection device, be used for steel tube end part flaw detection, comprise a mainframe, also comprise: a support roller device, be arranged on a side of described mainframe, holder connects described steel pipe; One steel pipe sealing device is arranged on the opposite side of described mainframe, and the center of the described steel pipe of centrally aligned of described steel pipe sealing device is used for the sealing of steel tube end part; And one the flaw detection water tank, liftably be arranged on the described mainframe by a water tank jacking gear, this flaw detection water tank comprises: at least one elevating bracket liftably is arranged on described water tank upper; At least one pair of ball bearing is separately positioned on above the described elevating bracket, the both sides of steel pipe, and holder connects described steel pipe; And at least two flaw detection assemblies, being symmetricly set on the both sides, bottom of described water tank respectively, each flaw detection assembly comprises: a probe, aim at described steel pipe; One probe socket is hubbed on the two bottom sides of described water tank respectively, and described probe is arranged on the described probe socket; And one regulate probe mechanism, and the one end connects described probe socket, and the other end passes described tank outer wall.
Preferably, also comprise:
One Steel pipe hold-down gag is arranged on the top of described support roller device and flaw detection water tank, depresses, clamps steel pipe on the described support roller device by a jacking gear.
Preferably, described Steel pipe hold-down gag comprises:
One pressure roller frame;
A pair of pressure roller is arranged at the position that is positioned at the support roller device top on this pressure roller frame;
One depresses spin, is arranged at the position that is positioned at flaw detection water tank top on this pressure roller frame.
Preferably, described jacking gear comprises:
One fluctuating orbit is fixed on the mainframe side;
Lifting slider is fixed on the pressure roller frame and with fluctuating orbit and matches;
One lift drive mechanism is connected with the pressure roller frame.
Preferably, described pressure roller liftably is arranged on the described pressure roller frame by a lift cylinder and a fixed support; The described spin of depressing liftably is arranged on the described pressure roller frame by an elevating mechanism.
Preferably, also comprise:
One water pump;
One circulating water treatment device is arranged on the described mainframe, is communicated with water pump and flaw detection water tank.
Preferably, described flaw detection water tank also comprises: a base plate is arranged on the bottom surface of described water tank.
Preferably, described flaw detection water tank also comprises:
At least one pair of guide pole is fixed on the base plate, and described elevating bracket is provided with a pair of through hole, is enclosed within on the guide pole;
At least one pair of adjusting screw is set in parallel on the base plate with guide pole, and elevating bracket is provided with two internal thread holes and adjusting screw is threaded;
Every pair of ball bearing relative tilt is arranged on above the described elevating bracket.
Preferably, described flaw detection water tank also comprises:
At least one guide plate is arranged on described elevating bracket side, and holder connects described steel pipe.
Preferably, described flaw detection water tank also comprises:
At least one pair of compression spring is supported on described guide plate below.
Preferably, described flaw detection water tank also comprises:
A pair of pressing plate and some screws, this screw is fixed on the both sides of water tank with described pressing plate, and compression spring and guide plate are limited between described pressing plate and the water tank.
Preferably, described flaw detection water tank also comprises:
Regulate probe mechanism and be one and have the bolt of pin, be installed in rotation on the tank outer wall.
Preferably, described flaw detection assembly is four groups, and described ball bearing, guide pole, adjusting screw, compression spring respectively are two pairs, and guide plate is a pair of.
Preferably, described steel pipe sealing device comprises a sealing top, with the steel tube end part crimping.
Preferably, described water tank jacking gear comprises:
One water tank frame, the setting of described flaw detection water tank is thereon;
One fluctuating orbit is fixed in described mainframe side;
Lifting slider is fixed in described water tank frame side, and matches with fluctuating orbit;
One lift drive mechanism is connected with the water tank frame.
Preferably, also be provided with a horizontal slip mechanism between described flaw detection water tank and the water tank frame.
Preferably, described horizontal slip mechanism comprises:
One moving track is arranged on the described water tank frame;
Moving slider is fixed on the flaw detection water tank bottom surface, and matches with moving track;
One horizontal slip driving mechanism is connected with the flaw detection water tank.
The present invention makes it compared with prior art owing to adopted above technical scheme, has the following advantages and good effect:
The present invention adopts steel pipe rotation, the straight-line flaw detection mode of popping one's head in.Steel pipe is driven by roller, the wheel of rotation, carries out gyration in the original place, and probe is contained in the coupling water tank, along the steel pipe axial-movement, steel pipe is detected a flaw.Adopt local water seaoning flaw detection, compare with existing spraying, obviously the conserve water consumption.Failure detector of the present invention is electromechanical product products, compares with manual flaw detection, and flaw detection precision and work efficiency are significantly improved.When carrying out the detection of longitudinal defect, there are not detectable regions in defect detection on ultrasonic basis of the present invention and device.Can satisfy the requirement of standard GB/T5777.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.
In the accompanying drawings:
Fig. 1 is the front view of pipe end ultrasonic flaw detection device of the present invention.
Fig. 2 is the left view of pipe end ultrasonic flaw detection device of the present invention.
Fig. 3 is the vertical view of pipe end ultrasonic flaw detection device of the present invention.
Fig. 4 is the stereographic map of pipe end ultrasonic flaw detection device of the present invention.
Fig. 5 is the structural drawing of pipe end ultrasonic flaw detection device of the present invention.
Fig. 6 is the front view of flaw detection water tank among the present invention.
Fig. 7 is the vertical view of flaw detection water tank among the present invention.
Fig. 8 is the side view of flaw detection water tank among the present invention.
Fig. 9 is the cut-open view of A-A among Fig. 6.
Figure 10 is the cut-open view of B-B among Fig. 7.
Figure 11 is the cut-open view of C-C among Fig. 7.
Drawing reference numeral:
[1] mainframe [2] water tank jacking gear
[3] flaw detection water tank [4] support roller device
[5] Steel pipe hold-down gag [6] circulating water treatment device
[7] steel pipe sealing device [11] control panel
[12] man-machine interface [13] defectoscope
[14] sealing top elevating mechanism [15] sealing top axial moving mechanism
[16] move axially motor coupling shaft [17] probe water tank and move axially screw
[18] the probe water tank moves axially nut [19] sealing top
[20] pressure roller frame fluctuating orbit [21] pressure roller frame lifting slider
[22] Electric Appliance Cabinet [23] water tank
[24] pressure roller frame elevating mechanism [25] pressure roller frame lifting handwheel
[26] depress spin elevating mechanism [27] pressure roller frame
[28] depress spin [29] probe water tank mechanism
[30] pressure roller frame lift cylinder [31] pressure roller elevating lever
[32] pressure roller [33] steel pipe
[34] revolving roll [35] probe water tank moves axially track
[36] the probe water tank moves axially slide block [37] probe water tank elevating lever
[38] probe water tank lifting hydraulic cylinder [39] probe water tank frame
[40] probe water tank lifting slider [41] probe water tank fluctuating orbit
[42] probe water tank lifting handwheel [43] base plate
[44] regulate probe mechanism [45] screw
[46] guide plate [47] guide pole
[48] elevating bracket [49] probe socket
[50] probe [51] probe socket
[52] adjusting screw [53] compression spring
[54] ball bearing
Embodiment
Specifically introduce two kinds of preferred embodiments of the present invention below in conjunction with accompanying drawing 1-11.
Shown in Fig. 1-4, pipe end ultrasonic flaw detection device of the present invention is made up of a mainframe 1, a support roller device 4, a steel pipe sealing device 7, a flaw detection water tank 3, a Steel pipe hold-down gag 5 and a circulating water treatment device 6.
Support roller device 4 is installed in a side of mainframe 1, and holder connects steel pipe.Steel pipe sealing device 7 is installed in the opposite side of mainframe 1, the center of the centrally aligned steel pipe of steel pipe sealing device 7.Flaw detection water tank 3 is movably set on the mainframe 1 by a water tank jacking gear 2.Steel pipe hold-down gag 5 is installed in the top of support roller device 4, and the steel pipe on the support roller device 4 is depressed, clamped in activity.Circulating water treatment device 6 is installed on the mainframe 1, is communicated with flaw detection water tank 3 by pipe and water pump.
When steel pipe is on support roller device 4, regulate steel pipe sealing device 7, make the center of the centrally aligned steel pipe of packoff 7, play sealing function, regulate flaw detection water tank 3, the bottom surface of flaw detection water tank and steel pipe is contacted, regulate Steel pipe hold-down gag 5, make the pressure roller on the hold down gag 5 be pressed in steel pipe top, beating when preventing the steel pipe running is so that steadily flaw detection.
Shown in Fig. 6-11, flaw detection water tank of the present invention comprises base plate 43, adjusting probe mechanism 44, screw 45, guide plate 46, guide pole 47, elevating bracket 48, probe socket 49, probe 50, probe socket 51, adjusting screw 52, compression spring 53, ball bearing 54.
Regulate elevating bracket 48 and can make steel pipe arrive the distance change of probe 50, thereby realize the adjustment of water journey distance.Clockwise or rotate counterclockwise adjusting screw, elevating bracket is motion up or down thereupon, when being adjusted to the height that needs, nut is tightened on guide pole top, elevating bracket can be fixed.Ball bearing 54 is installed in above the elevating bracket 48, and steel pipe contacts with ball in the ball bearing 54, and when steel pipe rotated, ball was followed the steel pipe rotation, and the flaw detection water tank is motionless, just can guarantee to pop one's head in and steel pipe between relative motion.Two ends at the flaw detection water tank, screw 45, guide plate 46, compression spring 53 are formed a resilient guiding device, steel pipe is pressed in above the guide plate 46 during flaw detection, unnecessary lotus root Heshui is overflowed from guide plate 46 limits, then be full of water between steel pipe and the probe, be beneficial to the stable of water that be coupled in the flaw detection process.Probe 50 is installed on the probe socket 49,51, be connected with adjusting probe mechanism 44 again, regulate the adjustment of probe mechanism 44, regulate probe mechanism 44 and be one and have the bolt of pin, be installed in rotation on the tank outer wall, can finely tune the angle of probe socket 49,51, thereby regulate the angle of probe 50, realize the adjusting of flaw detection incident angle.Water tank is installed on the base plate 43.
The two pairs of guide poles 47 and adjusting screw 52, guide pole 47 is tightened on base plate 43, elevating bracket 48 is enclosed within guide pole 47 middle parts by two through holes not to be had on the position of screw thread, two internal thread holes are arranged on the elevating bracket 48, be connected, clockwise or rotate counterclockwise adjusting screw 52 with adjusting screw 52, elevating bracket 48 is motion up or down thereupon, when being adjusted to the height that needs, nut is tightened on guide pole 47 tops, can elevating bracket 48 is fixing.
As shown in Figure 5, when steel pipe moved on the axis at revolving roll 34 places, the pipe end of steel pipe 33 was withstood in sealing top 19 under hydraulic system drives in the pipe end ultrasonic flaw detection device of the present invention, made pipe one end fix and seal.Then, pressure roller frame lift cylinder 30 and depress spin elevating mechanism 26 under pneumatic system drives moves downward, and makes pressure roller 32 and depresses spin 28 to fall, and just in time be pressed in the upper surface of steel pipe 33.The motion under hydraulic system drives of probe water tank lifting hydraulic cylinder 38 moves upward probe water tank mechanism 29, and is pressed in the lower surface of steel pipe 33.Revolving roll 34 begins rotation, drives steel pipe 33 and carries out the rotation in original place, by the probe in the probe water tank mechanism 29 steel pipe 33 is detected a flaw.Probe links to each other with defectoscope 13, and probe passes the signal to defectoscope 13.Defectoscope 13 links to each other with man-machine interface 12, surpasses the standard of setting if find defective, occurs relevant alerting signal on the screen of man-machine interface 12.Man-machine interface 12 links to each other with control panel 11, by regulating the associated button on the control panel 11, can detect a flaw again to steel pipe 33, also can carry out mark to steel pipe 33, handles as defective pipe.The present invention also is equipped with an Electric Appliance Cabinet 23, is used for automatically controlled whole process.
In order to control probe and the axial relative motion of steel pipe 33 generations, so that enlarge sensing range, the present invention has designed a probe water tank axial moving mechanism.Have the probe water tank to move axially track 35 above the probe water tank frame 39, the probe water tank moves axially slide block 36 and can move in orbit.Probe water tank mechanism 29 and probe water tank move axially slide block 36, the probe water tank moves axially nut 18 and is assembled into one.Control panel 11 can be opened servomotor, makes to move axially 16 motions of motor coupling shaft, drives the probe water tank and moves axially screw 17 rotations.Move axially nut 18 with screw 17 supporting probe water tanks, will drive probe water tank mechanism 29 and probe water tank and move axially the axial motion of slide block 36 generations.Regulate the parameter in control panel 11 and the man-machine interface 12, can control the rotating speed of revolving roll 34, can control the rotating speed of servomotor, thus the coverage of control probe on steel pipe 33.The present invention also is equipped with sealing top elevating mechanism 14 and sealing top axial moving mechanism 15.The present invention also is equipped with pressure roller elevating lever 31, probe water tank elevating lever 37 and probe water tank lifting hydraulic cylinder 38.
Pressure roller frame 27 can be regulated at the steel pipe of different size.Pressure roller frame lifting slider 21 and pressure roller frame elevating mechanism 24 are assembled into one, and frame lifting slider 21 can carry out elevating movement on pressure roller frame fluctuating orbit 20.Regulate pressure roller frame lifting handwheel 25, can drive pressure roller frame elevating mechanism 24 integral body and move up or down.The frame fluctuating orbit has scale on 20 limits, at the steel pipe of different size, as long as it is just passable that frame lifting slider 21 is transferred to the relevant position.
Shown in Fig. 6-11, flaw detection water tank of the present invention comprises base plate 43, adjusting probe mechanism 44, screw 45, guide plate 46, guide pole 47, elevating bracket 48, probe socket 49, probe 50, probe socket 51, adjusting screw 52, compression spring 53, ball bearing 54.
Regulate elevating bracket 48 and can make steel pipe arrive the distance change of probe 50, thereby realize the adjustment of water journey distance.Clockwise or rotate counterclockwise adjusting screw, elevating bracket is motion up or down thereupon, when being adjusted to the height that needs, nut is tightened on guide pole top, elevating bracket can be fixed.Ball bearing 54 is installed in above the elevating bracket 48, and steel pipe contacts with ball in the ball bearing 54, and when steel pipe rotated, ball was followed the steel pipe rotation, and the flaw detection water tank is motionless, just can guarantee to pop one's head in and steel pipe between relative motion.Two ends at the flaw detection water tank, screw 45, guide plate 46, compression spring 53 are formed a resilient guiding device, steel pipe is pressed in above the guide plate 46 during flaw detection, unnecessary lotus root Heshui is overflowed from guide plate 46 limits, then be full of water between steel pipe and the probe, be beneficial to the stable of water that be coupled in the flaw detection process.Probe 50 is installed on the probe socket 49,51, be connected with adjusting probe mechanism 44 again, regulate the adjustment of probe mechanism 44, regulate probe mechanism 44 and be one and have the bolt of pin, be installed in rotation on the tank outer wall, can finely tune the angle of probe socket 49,51, thereby regulate the angle of probe 50, realize the adjusting of flaw detection incident angle.Water tank is installed on the base plate 43.
The two pairs of guide poles 47 and adjusting screw 52, guide pole 47 is tightened on base plate 43, elevating bracket 48 is enclosed within guide pole 47 middle parts by two through holes not to be had on the position of screw thread, two internal thread holes are arranged on the elevating bracket 48, be connected, clockwise or rotate counterclockwise adjusting screw 52 with adjusting screw 52, elevating bracket 48 is motion up or down thereupon, when being adjusted to the height that needs, nut is tightened on guide pole 47 tops, can elevating bracket 48 is fixing.
The steel pipe of 3 pairs of different sizes of flaw detection water tank can be regulated.Regulate probe water tank lifting handwheel 42, probe water tank lifting slider 40 will carry out elevating movement along probe water tank fluctuating orbit 41, drive probe water tank frame 39 integral elevatings, probe water tank fluctuating orbit has rule on 41 limits, at the different size steel pipe, just passable as long as the water tank lifting slider 40 of will popping one's head in is transferred to the relevant position.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (17)
1. a pipe end ultrasonic flaw detection device is used for the steel tube end part flaw detection, comprises a mainframe (1), it is characterized in that also comprising:
One support roller device (4) is arranged on a side of described mainframe (1), and holder connects described steel pipe;
One steel pipe sealing device (7) is arranged on the opposite side of described mainframe (1), and the center of the described steel pipe of centrally aligned of described steel pipe sealing device (7) is used for the sealing of steel tube end part; And
One flaw detection water tank (3) liftably is arranged on the described mainframe (1) by a water tank jacking gear (2), and this flaw detection water tank (3) comprising:
At least one elevating bracket (48) liftably is arranged on described water tank upper;
At least one pair of ball bearing (54) is separately positioned on above the described elevating bracket (48), the both sides of steel pipe, and holder connects described steel pipe; And
At least two flaw detection assemblies are symmetricly set on the both sides, bottom of described water tank respectively, and each flaw detection assembly comprises: a probe (50), aim at described steel pipe; One probe socket (51) is hubbed on the two bottom sides of described water tank respectively, and described probe (50) is arranged on the described probe socket (51); And one regulate probe mechanism (44), and the one end connects described probe socket (51), and the other end passes described tank outer wall.
2. pipe end ultrasonic flaw detection device as claimed in claim 1 is characterized in that also comprising:
One Steel pipe hold-down gag (5) is arranged on the top of described support roller device (4) and flaw detection water tank (30), depresses, clamps steel pipe on the described support roller device (4) by a jacking gear.
3. pipe end ultrasonic flaw detection device as claimed in claim 2 is characterized in that described Steel pipe hold-down gag (5) comprising:
One pressure roller frame (27);
A pair of pressure roller (32) is arranged at the position that is positioned at support roller device (4) top on this pressure roller frame (27);
One depresses spin (28), is arranged at the position that is positioned at flaw detection water tank (3) top on this pressure roller frame (27).
4. pipe end ultrasonic flaw detection device as claimed in claim 3 is characterized in that: described jacking gear comprises:
One fluctuating orbit (20) is fixed on mainframe (1) side;
Lifting slider (21) is fixed on pressure roller frame (27) and upward and with fluctuating orbit (20) matches;
One lift drive mechanism (24) is connected with pressure roller frame (27).
5. pipe end ultrasonic flaw detection device as claimed in claim 4 is characterized in that: described pressure roller (32) liftably is arranged on the described pressure roller frame (27) by a lift cylinder (30) and a fixed support; The described spin (28) of depressing liftably is arranged on the described pressure roller frame (27) by an elevating mechanism (26).
6. as any described pipe end ultrasonic flaw detection device among the claim 2-5, it is characterized in that also comprising:
One water pump;
One circulating water treatment device (6) is arranged on the described mainframe (1), is communicated with water pump and flaw detection water tank (3).
7. pipe end ultrasonic flaw detection device as claimed in claim 6 is characterized in that, described flaw detection water tank also comprises: a base plate (43) is arranged on the bottom surface of described water tank.
8. pipe end ultrasonic flaw detection device as claimed in claim 7 is characterized in that: described flaw detection water tank also comprises:
At least one pair of guide pole (47) is fixed on the base plate (43), and described elevating bracket (48) is provided with a pair of through hole, is enclosed within on the guide pole (47);
At least one pair of adjusting screw (52) is set in parallel on the base plate (43) with guide pole (47), and elevating bracket (48) is provided with two internal thread holes, and adjusting screw (52) is threaded;
Every pair of ball bearing (54) relative tilt is arranged on above the described elevating bracket (48).
9. pipe end ultrasonic flaw detection device as claimed in claim 8 is characterized in that: described flaw detection water tank also comprises:
At least one guide plate (46) is arranged on described elevating bracket (48) side, and holder connects described steel pipe.
10. pipe end ultrasonic flaw detection device as claimed in claim 9 is characterized in that: described flaw detection water tank also comprises:
At least one pair of compression spring (53) is supported on described guide plate (46) below.
11. pipe end ultrasonic flaw detection device as claimed in claim 10 is characterized in that: described flaw detection water tank also comprises:
A pair of pressing plate and some screws (45), this screw (45) is fixed on the both sides of water tank with described pressing plate, and compression spring (53) and guide plate (46) are limited between described pressing plate and the water tank.
12. pipe end ultrasonic flaw detection device as claimed in claim 11 is characterized in that: described flaw detection water tank also comprises:
Regulate probe mechanism (44) and be one and have the bolt of pin, be installed in rotation on the tank outer wall.
13. pipe end ultrasonic flaw detection device as claimed in claim 13 is characterized in that: described flaw detection assembly is four groups, and described ball bearing (54), guide pole (47), adjusting screw (52), compression spring (53) respectively are two pairs, and guide plate (46) is a pair of.
14. as any described pipe end ultrasonic flaw detection device among the claim 7-13, it is characterized in that: described steel pipe sealing device (5) comprises a sealing top (19), with the steel tube end part crimping.
15. pipe end ultrasonic flaw detection device as claimed in claim 14 is characterized in that: described water tank lifting
Device (2) comprising:
One water tank frame (39), described flaw detection water tank (3) is provided with thereon;
One fluctuating orbit (41) is fixed in described mainframe (1) side;
Lifting slider (40) is fixed in described water tank frame (39) side, and matches with fluctuating orbit (41);
One lift drive mechanism is connected with water tank frame (39).
16. pipe end ultrasonic flaw detection device as claimed in claim 15 is characterized in that: also be provided with a horizontal slip mechanism between described flaw detection water tank (3) and the water tank frame (39).
17. pipe end ultrasonic flaw detection device as claimed in claim 16 is characterized in that: described horizontal slip mechanism comprises:
One moving track (35) is arranged on the described water tank frame (39);
Moving slider (36) is fixed on flaw detection water tank (3) bottom surface, and matches with moving track (35);
One horizontal slip driving mechanism is connected with flaw detection water tank (3).
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| CN 200910048377 CN101846657B (en) | 2009-03-27 | 2009-03-27 | Pipe end ultrasonic flaw detection device |
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| CN 200910048377 CN101846657B (en) | 2009-03-27 | 2009-03-27 | Pipe end ultrasonic flaw detection device |
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| CN101846657B CN101846657B (en) | 2013-01-02 |
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| US4312230A (en) * | 1980-02-15 | 1982-01-26 | Republic Steel Corporation | Method and apparatus for pipe inspection |
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