CN100585398C - Revolving body workpieces supersonic wave on-line flaw detection method and device thereof - Google Patents
Revolving body workpieces supersonic wave on-line flaw detection method and device thereof Download PDFInfo
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- CN100585398C CN100585398C CN200710201565A CN200710201565A CN100585398C CN 100585398 C CN100585398 C CN 100585398C CN 200710201565 A CN200710201565 A CN 200710201565A CN 200710201565 A CN200710201565 A CN 200710201565A CN 100585398 C CN100585398 C CN 100585398C
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Abstract
The invention discloses a kind of supersonic wave on-line flaw detection method and device thereof, use this method and apparatus to carry out line flaw detection to solid of revolution, non-revolved body workpiece in the processing easily.This comprises probe apparatus (1), couplant feedway (2) and ultrasound examination analyser (3), described probe apparatus (1) is installed on the delivering gear (71) of machining tool (70), and it is last and relative with workpiece (72) finished surface that ultrasonic probe (50) is fixed on probe apparatus (1).The invention has the beneficial effects as follows, can carry out UT (Ultrasonic Testing) to the workpiece in the process and detect, realize that real-time online detects automatically, can greatly improve the carrying out flaw detection speed and the efficient of large-scale workpiece, and help ensureing the workmanship of large-scale workpiece; Simple in structure, be provided with conveniently, the position of ultrasonic probe can change or accurately be adjusted neatly, and can prevent effectively that ultrasonic probe from damaging because of accident collision.
Description
Technical field
The present invention relates to a kind of defect detection on ultrasonic basis and device thereof, particularly a kind of workpiece in the processing is carried out the method for ultrasonic online flaw detecting, and the ultrasonic online flaw detecting equipment that is used for this method.
Background technology
UT (Ultrasonic Testing) is to check the main technique methods of workpiece inherent vice under the prerequisite of not destroying workpiece.The main workpiece of the main parts size of large-scale generating set, nuclear power plant equipment and various pipeline, bridge member, Large-Scale Equipment (as weldment, forging, foundry goods) etc. all needs to carry out UT (Ultrasonic Testing), to ensure its workmanship.Therefore, ultrasound examination is a gordian technique of ensuring the quality of products in national Important Project and all kinds of important civil goods manufacturing.
Carry out ultrasound examination ultrasonic test equipment commonly used for large-scale workpiece at present and all need manual operations, rely on the personal experience to pass judgment on, do not possess the online and real time automatic detection function of defective, have inefficiency, labour intensity is big, subjective criterion is inconsistent, detect shortcomings such as cost height.Especially large revolving body workpiece, as gas-turbine main shaft, heavy vessel etc., workpiece weigh several tons, tens of ton, manual flaw detection workload is big, speed is low, need spend several days time sometimes just can finish, and detects difficult quality guarantee
Summary of the invention
One of technical matters to be solved by this invention provides a kind of supersonic wave on-line flaw detection method, uses this method to carry out line flaw detection to solid of revolution, non-revolved body workpiece in the processing easily.
The present invention solves this technical problem the technical scheme that is adopted: revolving body workpieces supersonic wave on-line flaw detection method of the present invention, adopt probe apparatus, with couplant feedway and the ultrasound examination analyser of oil as couplant, undertaken by following step: 1. described probe apparatus is installed on the delivering gear of lathe for machining; 2. start couplant feedway and ultrasound examination analyser, adjust probe apparatus, make the ultrasonic probe (50) on it satisfy the flaw detection requirement with the workpiece machining surface gap; 3. probe apparatus moves with delivering gear, the finished surface of workpiece in the processing is carried out carrying out flaw detection, and detection signal is sent to the ultrasound examination analyser.
Another technical matters to be solved by this invention provides a kind of ultrasonic online flaw detecting equipment that is applied to said method, can carry out online and real-time UT (Ultrasonic Testing) to the workpiece in the process by this device and detect.
The present invention solves this technical problem the technical scheme that is adopted: ultrasonic online flaw detecting equipment of the present invention comprises probe apparatus, couplant feedway and ultrasound examination analyser, described probe apparatus is installed on the lathe for machining, and ultrasonic probe is fixed on the probe apparatus and is relative with workpiece machining surface.
A kind of preferred version that is specially adapted to the revolving body workpieces line flaw detection as ultrasonic online flaw detecting equipment of the present invention, for ease of installing and preventing that ultrasonic probe from damaging because of accident collision, described probe apparatus comprises pole, the probe socket that forms connection, ultrasonic probe is fixed on the front end of probe socket, is provided with anticollision mechanism between probe socket and the pole.
On the basis of above-mentioned preferred version, described probe socket is connected with pole formation by adapter sleeve; Described anticollision mechanism comprises axial guide hole that is opened in described pole front portion and the damping spring that is positioned at it, and adapter sleeve and this axial guide hole are slidingly matched, and the damping spring axial action is on adapter sleeve.
On the basis of above-mentioned preferred version, for also adjusting the position of ultrasonic probe on the knife rest that can easily probe apparatus be installed on machining tool neatly, be provided with the multiple degrees of freedom governor motion between described pole and the probe socket, probe socket is connected with the multiple degrees of freedom governor motion by adapter sleeve; Described anticollision mechanism comprises the axial guide hole that is opened in described pole front portion and is positioned at its damping, and is connected the sleeve on the multiple degrees of freedom governor motion, and sleeve and this axial guide hole are slidingly matched, and the damping spring axial action is on sleeve.
As further optimization to above-mentioned two kinds of technical schemes, for accurately adjusting the gap between ultrasonic probe and the workpiece machining surface, described probe socket has the axis of guide that extends back along axis, offers the pilot hole that is slidingly matched with this axis of guide on the described adapter sleeve; Be provided with the micro-adjusting mechanism that probe socket is moved along pilot hole between described probe socket and the adapter sleeve.
A kind of preferred version that is applicable to solid of revolution and non-revolved body workpiece line flaw detection as ultrasonic online flaw detecting equipment of the present invention, described probe apparatus comprises pole, connecting rod and probe socket, strut fixation is on the delivering gear of machining tool, and the two ends of connecting rod are connected with pole, probe socket respectively.
On the basis of above-mentioned preferred version, for the finished surface that makes ultrasonic probe and workpiece remains appropriate gap, and avoid ultrasonic probe to damage because of accident collision, be rotatably connected by rotating shaft formation between described connecting rod and the pole, and be provided with and will make probe socket press to the elastic component of workpiece machining surface: be rotatably connected by another rotating shaft formation between described connecting rod and the probe socket, the bottom surface of described probe socket be provided with roller set.
The invention has the beneficial effects as follows, can carry out UT (Ultrasonic Testing) to the workpiece in the process and detect, realize that real-time online detects automatically, can greatly improve the carrying out flaw detection speed and the efficient of large-scale workpiece, and help ensureing the workmanship of large-scale workpiece.Simple in structure, be provided with conveniently, the position of ultrasonic probe can change or accurately be adjusted neatly, and can prevent effectively that ultrasonic probe from damaging because of accident collision.
Description of drawings
This instructions comprises following ten width of cloth accompanying drawings:
Fig. 1 is the principle of work synoptic diagram of supersonic wave on-line flaw detection method of the present invention.
The revisal file
Fig. 2 is the structural representation of probe apparatus embodiment 1 in the ultrasonic online flaw detecting equipment of the present invention;
Fig. 3 is the structural representation of probe apparatus embodiment 2 in the ultrasonic online flaw detecting equipment of the present invention;
Fig. 4 is the structural representation of ultrasonic probe in the ultrasonic online flaw detecting equipment of the present invention;
Fig. 5 is the structural representation of probe socket in the ultrasonic online flaw detecting equipment of the present invention;
Fig. 6 is the structural representation of micro-adjusting mechanism in the ultrasonic online flaw detecting equipment of the present invention;
Fig. 7 is the synoptic diagram of the another kind of mounting means of probe apparatus in the ultrasonic online flaw detecting equipment of the present invention;
Fig. 8 is the upward view of probe apparatus embodiment 3 in the ultrasonic online flaw detecting equipment of the present invention;
Fig. 9 is the vertical view of probe apparatus embodiment 3 in the ultrasonic online flaw detecting equipment of the present invention;
Figure 10 is the sectional view along A-A line among Fig. 9.
Parts among the figure, position and numbering: probe apparatus 1, couplant feedway 2, ultrasound examination analyser 3, pole 10, sleeve 11, damping spring 12, mounting hole 13, multiple degrees of freedom governor motion 20, adapter sleeve 30, pilot hole 31, regulate bolt 32, compression spring 33, screw 34, stopper slot 35, probe socket 40, the axis of guide 41, connecting rod 42, rotating shaft 42a, rotating shaft 42b, torsion spring 43, roller set 44, mounting hole 45, ultrasonic probe 50, supply ring 51, inlet nozzle 52, oil groove 53, Magnetic gauge stand 60, magnetic bases 61, montant 62, support bar 63, set nut 64, machining tool 70, delivering gear 71, workpiece 72.
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
With reference to Fig. 1, supersonic wave on-line flaw detection method of the present invention adopts probe apparatus 1, couplant feedway 2 and ultrasound examination analyser 3, is undertaken by following step:
1. described probe apparatus 1 is installed on the delivering gear 71 of machining tool 70;
2. start couplant feedway 2 and ultrasound examination analyser 3, adjust probe apparatus 1, make the ultrasonic probe 50 on it satisfy the flaw detection requirement with workpiece 72 finished surface gaps;
3. probe apparatus moves with delivering gear 71, the finished surface of workpiece 72 in the processing is carried out carrying out flaw detection, and detection signal is sent to ultrasound examination analyser 3.
Use method of detection of the present invention to carry out the UT (Ultrasonic Testing) detection to solid of revolution in the process and non-revolved body workpiece, the realization real-time online detects, can greatly improve the carrying out flaw detection speed and the efficient of large-scale workpiece, and help ensureing the workmanship of large-scale workpiece.
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 8, the present invention is applied to the ultrasonic online flaw detecting equipment of above-mentioned supersonic wave on-line flaw detection method, comprise probe apparatus 1, couplant feedway 2 and ultrasound examination analyser 3, described probe apparatus 1 is installed on the delivering gear 71 of machining tool 70, and ultrasonic probe 50 is fixed on the probe apparatus 1 and is relative with workpiece 72 finished surfaces.When carrying out UT (Ultrasonic Testing), probe apparatus 1 and delivering gear 71 same moved further.
Shown in Fig. 2 is a kind of preferred version that is specially adapted to the revolving body workpieces line flaw detection of described probe apparatus 1.With reference to Fig. 2, for ease of installing and preventing that ultrasonic probe from damaging because of accident collision, described probe apparatus 1 comprises pole 10, the probe socket 40 that forms connection, and ultrasonic probe 50 is fixed on the front end of probe socket 40, is provided with anticollision mechanism between probe socket 40 and the pole 10.
Embodiment 1
Probe apparatus 1 as shown in Figure 2, described probe socket 40 forms with pole 10 by adapter sleeve 30 and is connected, described anticollision mechanism comprises axial guide hole that is opened in described pole 10 front portions and the damping 12 that is positioned at it, adapter sleeve 30 is slidingly matched with this axial guide hole, and damping spring 12 axial action are on adapter sleeve 30.With reference to Fig. 2 and Fig. 3, the position limiting structure that also has restriction adapter sleeve 30 sliding distance in axial guide hole between described adapter sleeve 30 and the pole 10, this position limiting structure comprises stopper slot 35 and screw 34, stopper slot 35 is opened on adapter sleeve 30 outer walls and extends vertically, screw 34 is installed on the pole 10, and its head passes the sidewall of axial guide hole and stretches in the stopper slot 35.
Probe apparatus 1 as shown in Figure 3, for easily probe apparatus 1 being installed on the position that also can adjust ultrasonic probe 50 on the lathe saddle neatly, be provided with multiple degrees of freedom governor motion 20 between described pole 10 and probe socket 40, probe socket 40 is connected with multiple degrees of freedom governor motion 20 by adapter sleeve 30.Described anticollision mechanism comprises axial guide hole that is opened in pole 10 front portions and the damping spring 12 that is positioned at it, and be connected sleeve 11 on the multiple degrees of freedom governor motion 20, sleeve 11 is slidingly matched with this axial guide hole, and damping spring 12 axial action are on sleeve 11.Consider that from the structure of simplifying probe apparatus 1 as far as possible described multiple degrees of freedom governor motion 20 can preferably adopt the card ball joint shown in Fig. 3.
In embodiment 1 and embodiment 2, for accurately adjusting the gap between ultrasonic probe and the workpiece machining surface, with reference to Fig. 2, Fig. 3 and Fig. 5, described probe socket 40 has the axis of guide 41 that extends back along axis, offer the pilot hole 31 that is slidingly matched with this axis of guide 41 on the described adapter sleeve 30, be provided with the micro-adjusting mechanism that probe socket 40 is moved along pilot hole 31 between described probe socket 40 and the adapter sleeve 30.Fig. 4 shows a kind of concrete structure of micro-adjusting mechanism, be that described micro-adjusting mechanism comprises adjusting bolt 32 and compression spring 33, described this adjusting bolt 32 is arranged on the adapter sleeve 30, its front end edge axis acts on the rear end face of probe socket 40, described compression spring 33 is sleeved on to be regulated on the bolt 32, and its two ends difference axial action is on adapter sleeve 30, probe socket 40
In embodiment 1 and embodiment 2, with reference to Fig. 2 and Fig. 3, described ultrasonic probe is installed on the axle journal of probe socket 40 front portions by cooperation.With reference to Fig. 4, supply ring 51 is installed on the periphery wall of ultrasonic probe 50, supply ring 51 has the circumferential uniform oil groove 53 of inlet nozzle 52 and edge that is connected with oil feed pump by oil hose.In couplant feedway 2, pump by oil feed pump from oil groove as the oil of couplant and to enter oil hose, oil hose links to each other with oilhole on the probe apparatus, and oil enters oil
The revisal file
Flow in the supply ring 51 behind the hole, a plurality of oil grooves by supply ring 51 surfaces flow out again, flow between workpiece 72 finished surfaces and the ultrasonic probe 50, make ultrasound wave between ultrasonic probe 50 and finished surface, to propagate, be dropped on the oil weir owing to action of gravity attached to the oil on the workpiece 72, oil weir is sent oil in the oil groove back to again, has so just formed the coupling circuit of oily medium.
In actual production, the lathe that the processing of solid of revolution work is adopted usually, described probe apparatus 1 can be clamped on the feed frame of lathe by pole 10.By the feed frame of lathe, can realize the roughing feed amount adjustment of axis direction.When ultrasonic probe 50 during soon near workpiece 72 finished surfaces, utilize the micromatic setting that constitutes by adjusting bolt 32, compression spring 33 on the probe apparatus 1 can realize axially finely tuning the feeding adjustment, when ultrasonic probe 50 angles and workpiece 72 finished surfaces are improper, can be by multiple degrees of freedom governor motion 20 convenient and adjust neatly.
With reference to Fig. 7, described probe apparatus 1 also can be arranged on the feed frame of lathe by Magnetic gauge stand 60, Magnetic gauge stand 60 is made of magnetic bases 61, montant 62 and support bar 63, the front portion of support bar 63 cooperates with the mounting hole 13 that is opened in pole 10 rear portions, and its rear end then is rotatably connected by set nut 64 and montant 62.Can select the correct position of ultrasonic probe and processing work by the tail length of regulating support bar 63 insertion poles 10, can realize the little feeding adjustment of axis by the micromatic setting that constitutes by adjusting bolt 32, compression spring 33 again, angle by changing rotation support bar 63 and/rotation montant 62, just can realize the adjustment of multiple degrees of freedom direction.
Shown in Fig. 8, Fig. 9 and Figure 10 is the another kind of preferred version of probe apparatus 1, and this preferred version is applicable to solid of revolution and non-revolved body workpiece line flaw detection simultaneously.With reference to Fig. 8 and Fig. 9, described probe apparatus 1 comprises pole 10, connecting rod 42 and probe socket 40, and pole 10 is fixed on the delivering gear 71 of machining tool 70, and the two ends of connecting rod 42 are connected with pole 10, probe socket 40 respectively.Probe apparatus 1 can be fixed on the delivering gear 71 of machining tools 70 such as boring machine, milling machine, lathe by pole 10, with delivering gear 71 same moved further, surface of the work is carried out scanning.For making the ultrasonic probe 50 and the finished surface of workpiece 72 remain appropriate gap, and prevent that ultrasonic probe 50 from damaging because of accident collision, be rotatably connected by rotating shaft 42a formation between described connecting rod 42 and the pole 10, and be provided with and make probe socket 40 press to the elastic component of workpiece 72 finished surfaces, be rotatably connected by rotating shaft 42b formation between described connecting rod 42 and the probe socket 40, the bottom surface of described probe socket 40 is provided with roller set 44.With reference to Fig. 9, as a kind of structure of simplifying the most, described elastic component can preferentially adopt the torsion spring 43 that is sleeved on the rotating shaft 42a, and the two ends of torsion spring 43 act on respectively on connecting rod 42, the pole 10.With reference to Figure 10, described probe socket 40 offers the mounting hole 45 that ultrasonic probe 50 is installed, and the hole wall of this mounting hole 45 rises and is provided with the oil groove 53 of annular, and is provided with the inlet nozzle 52 that communicates with annular oil groove 53.
Claims (16)
1. revolving body workpieces supersonic wave on-line flaw detection method adopts probe apparatus (1), with couplant feedway (2) and the ultrasound examination analyser (3) of oil as couplant, is undertaken by following step:
1. described probe apparatus (1) is installed on the delivering gear (71) of lathe for machining (70);
2. start couplant feedway (2) and ultrasound examination analyser (3), adjust probe apparatus (1), make the ultrasonic probe (50) on it satisfy the flaw detection requirement with workpiece (72) finished surface gap;
3. probe apparatus moves with delivering gear (71), the finished surface of workpiece (72) in the processing is carried out carrying out flaw detection, and detection signal is sent to ultrasound examination analyser (3).
2. be applied to the ultrasonic online flaw detecting equipment of revolving body workpieces supersonic wave on-line flaw detection method as claimed in claim 1, comprise probe apparatus (1), couplant feedway (2) and ultrasound examination analyser (3), it is characterized in that: described probe apparatus (1) is installed on the delivering gear (71) of lathe for machining (70), and it is last and relative with workpiece (72) finished surface that ultrasonic probe (50) is fixed on probe apparatus (1).
3. ultrasonic online flaw detecting equipment as claimed in claim 2, it is characterized in that: described probe apparatus (1) comprises pole (10), the probe socket (40) that forms connection, ultrasonic probe (50) is fixed on the front end of probe socket (40), is provided with anticollision mechanism between probe socket (40) and the pole (10).
4. ultrasonic online flaw detecting equipment as claimed in claim 3 is characterized in that: described probe socket (40) is connected with pole (10) formation by adapter sleeve (30); Described anticollision mechanism comprises the damping spring (12) that is opened in the anterior axial guide hole of described pole (10) and is positioned at it, and adapter sleeve (30) and this axial guide hole are slidingly matched, and damping spring (12) axial action is on adapter sleeve (30).
5. ultrasonic online flaw detecting equipment as claimed in claim 4 is characterized in that: the position limiting structure that also has restriction adapter sleeve (30) sliding distance in axial guide hole between described adapter sleeve (30) and the pole (10).
6. ultrasonic online flaw detecting equipment as claimed in claim 5, it is characterized in that: described position limiting structure comprises stopper slot (35) and screw (34), this stopper slot (35) is opened on adapter sleeve (30) outer wall and extends vertically, screw (34) is installed on the pole (10), and its head passes the sidewall of axial guide hole and stretches in the stopper slot (35).
7. ultrasonic online flaw detecting equipment as claimed in claim 3, it is characterized in that: be provided with multiple degrees of freedom governor motion (20) between described pole (10) and the probe socket (40), probe socket (40) is connected with multiple degrees of freedom governor motion (20) by adapter sleeve (30); Described anticollision mechanism comprises the damping spring (12) that is opened in the anterior axial guide hole of pole (10) and is positioned at it, and be connected sleeve (11) on the multiple degrees of freedom governor motion (20), sleeve (11) is slidingly matched with this axial guide hole, and damping spring (12) axial action is on sleeve (11).
8. as claim 4 or 7 described ultrasonic online flaw detecting equipments, it is characterized in that; Described probe socket (40) has the axis of guide (41) that extends back along axis, offers the pilot hole (31) that is slidingly matched with this axis of guide (41) on the described adapter sleeve (30); Be provided with the micro-adjusting mechanism that probe socket (40) is moved along pilot hole (31) between described probe socket (40) and the adapter sleeve (30).
9. ultrasonic online flaw detecting equipment as claimed in claim 8 is characterized in that: described micro-adjusting mechanism comprises regulates bolt (32) and compression spring (33); Described this adjusting bolt (32) is arranged on the adapter sleeve (30), and its front end edge axis acts on the rear end face of probe socket (40); Described compression spring (33) is sleeved on to be regulated on the bolt (32), and its two ends difference axial action is on adapter sleeve (30), probe socket (40).
10. ultrasonic online flaw detecting equipment as claimed in claim 3 is characterized in that: described ultrasonic probe (50) is installed on the anterior axle journal of probe socket (40) by cooperation; Supply ring (51) is installed on the periphery wall of ultrasonic probe (50), and supply ring (51) has the circumferential uniform oil groove (53) of inlet nozzle (52) and edge that is connected with oil feed pump by oil hose.
11. ultrasonic online flaw detecting equipment as claimed in claim 3 is characterized in that: described probe apparatus (1) is clamped on the delivering gear (71) of lathe for machining (70) by pole (10).
12. ultrasonic online flaw detecting equipment as claimed in claim 3 is characterized in that: described probe apparatus (1) is arranged on the delivering gear (hole) of lathe for machining (70) by Magnetic gauge stand (60); Described Magnetic gauge stand (60) is made of magnetic bases (61), montant (62) and support bar (63), the front portion of support bar (63) cooperates with the mounting hole (13) that is opened in pole (10) rear portion, and its rear end then is rotatably connected by set nut (64) and montant (62).
13. ultrasonic online flaw detecting equipment as claimed in claim 2 is characterized in that; Described probe apparatus (1) comprises pole (10), connecting rod (42) and probe socket (40), and pole (10) is fixed on the delivering gear (71) of lathe for machining (70), and the two ends of connecting rod (42) are connected with pole (10), probe socket (40) respectively.
14. ultrasonic online flaw detecting equipment as claimed in claim 13, it is characterized in that: be rotatably connected by rotating shaft (42a) formation between described connecting rod (42) and the pole (10), and be provided with and make probe socket (40) press to the elastic component of workpiece (72) finished surface; Be rotatably connected by rotating shaft (42b) formation between described connecting rod (42) and the probe socket (40), the bottom surface of described probe socket (40) is provided with roller set (44).
15. ultrasonic online flaw detecting equipment as claimed in claim 14 is characterized in that: what described elastic component adopted is suit
Torsion spring (43) in rotating shaft (42a), the two ends of torsion spring (43) act on respectively on connecting rod (42), the pole (10).
16. ultrasonic online flaw detecting equipment as claimed in claim 13, it is characterized in that: described probe socket (40) offers the mounting hole (45) that ultrasonic probe (50) is installed, offer the oil groove (53) of annular on the hole wall of this mounting hole (45), and be provided with the inlet nozzle (52) that communicates with annular oil groove (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710201565A CN100585398C (en) | 2006-09-18 | 2007-08-31 | Revolving body workpieces supersonic wave on-line flaw detection method and device thereof |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610021891 CN1928544A (en) | 2006-09-18 | 2006-09-18 | Revolving body workpieces online ultrasonic flaw detecting method and device |
| CN200610021891.4 | 2006-09-18 | ||
| CN200710201565A CN100585398C (en) | 2006-09-18 | 2007-08-31 | Revolving body workpieces supersonic wave on-line flaw detection method and device thereof |
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| CN101122582A CN101122582A (en) | 2008-02-13 |
| CN100585398C true CN100585398C (en) | 2010-01-27 |
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Effective date of registration: 20180321 Address after: 618013 Deyang Pearl River West Road, Sichuan, No. 460 Patentee after: Double (Deyang) heavy equipment Co., Ltd. Address before: 618013 Deyang Pearl River West Road, Sichuan, No. 460 Patentee before: Erzhong Group (Deyang) Heavy Equipment Co., Ltd. |