CN104597136A - Ultrasonic nondestructive testing positioning device applicable to steam turbine welding rotor - Google Patents
Ultrasonic nondestructive testing positioning device applicable to steam turbine welding rotor Download PDFInfo
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- CN104597136A CN104597136A CN201510008535.8A CN201510008535A CN104597136A CN 104597136 A CN104597136 A CN 104597136A CN 201510008535 A CN201510008535 A CN 201510008535A CN 104597136 A CN104597136 A CN 104597136A
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- locating device
- steam turbine
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- 238000009659 non-destructive testing Methods 0.000 title abstract description 6
- 238000003466 welding Methods 0.000 title abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000002604 ultrasonography Methods 0.000 claims description 9
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 description 17
- 239000000306 component Substances 0.000 description 11
- 238000013461 design Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000013016 damping Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses an ultrasonic nondestructive testing positioning device applicable to a steam turbine welding rotor. The device mainly comprises a device main body, a front end positioning module and a laser positioning module; and the formed positioning device can be used for positioning an ultrasonic testing clamp on a wall surface of the steam turbine rotor to carry out ultrasonic testing work. The ultrasonic nondestructive testing positioning device has the main advantages that the device does not need to be manually held in a nondestructive testing process and the labor intensity for testing is reduced; meanwhile, the mechanical positioning guarantees that tested data are stable and reliable; the ultrasonic nondestructive testing positioning device can keep self-locked at a working state, can be folded and is convenient to transport and store; the device has simple components and is light and reliable; the device has a relatively large position error allowable range in preorder arrangement work, and an ultrasonic testing clamp has a needed testing position posture all the time; and the laser positioning module which is convenient to adjust is used for guiding position placing before work, and the working efficiency is improved.
Description
Technical field
The invention belongs to measuring robots field, particularly a kind of Ultrasonic Nondestructive locating device being applicable to steam turbine welded disc turbine rotor.
Background technology
Rotor is the core component of steam turbine, and its version is a lot, as integral rotor, rotor bushing, welded disc turbine rotor and combined rotor etc.Compared with conventional fired power generating unit turbine rotor, steam turbine for nuclear power station rotor volume and weight are all large, and requirement on machining accuracy is high, generally all adopts welded disc turbine rotor.
For ensureing the quality of welded disc turbine rotor, in process processed, prepare after, the ultrasound examination coverage that all needs to carry out weld seam in in-service process is large, detection required time is many.
At present, for Ultrasonic Detection, there is ripe probe gripper and detection system, but due to the special circumstances of welded disc turbine rotor application scenario, existing scheme is little, and cannot in enterprising the enforcements use of welded disc turbine rotor.Locating for the layout of probe gripper on rotor surface to be checked under current actual state mainly relies on operating personnel hand-held, and under long testing, labour intensity is large, and the instability of hand-held causes detection effect data undesirable simultaneously.
Summary of the invention
In order to overcome the technical matters existed in existing scheme, one is provided to be applicable to welded disc turbine rotor Ultrasonic Detection, can be Ultrasonic Detection fixture and location is provided, and ensure certain degree of freedom needs, make it be attached to rotor surface to be measured and carry out testing, keep again required ease of use, the present invention spy proposes a kind of Ultrasonic Nondestructive locating device being applicable to steam turbine welded disc turbine rotor simultaneously.
For achieving the above object, present invention employs following technical scheme:
Be applicable to a Ultrasonic Nondestructive locating device for steam turbine welded disc turbine rotor, described locating device (16) mainly comprises apparatus main body (2), front end locating module (1) and laser positioning module (3); Described apparatus main body (2) is placed in ground and collapsible; Apparatus main body (2) folding movement partial component a(4 is fixed in described front end locating module (1)) front end; Described laser positioning module (3) is fixed on that apparatus main body (2) is folding is fixed on above ground portion component b(8) tail end; Ultrasonic Detection fixture is positioned on turbine rotor wall and carries out Ultrasonic Detection work by the locating device (16) formed; Apparatus main body (2) component is simple, reliably light.
Further, at the component a(4 of described apparatus main body (2)) and component b(8) between hinge axis (6) is set; Hinge axis (6) in described apparatus main body (2) is other is provided with roller (7); Component a(4 in described hinge axis (6) both sides) and component b(8) between be provided with self-locking air spring (5), descend the expanded angle of lockable Ultrasonic Nondestructive locating device in working order, and provide damping action in folding process.
Described apparatus main body is provided with hinge axis, makes locating device lower expansion in working order, collapsible in a non-operative state, be convenient to storage; Apparatus main body is provided with roller, carries after being convenient to folding device; Be provided with self-locking air spring between the component of hinge axis both sides, when locating device being expanded in working order design effort angle, air spring automatically locks, and keeps the operating attitude of locating device, and provide damping action in folding process.
Further, described front end locating module (1) by elastic telescopicing rod (9), horizontal slide rail (10), ball pivot (11) in turn connection form, and the translation freedoms of two axis and the rotary freedom around three axles are provided respectively, the site error permissible range of arranging before improving locating device (16) work thus, ensures that the Ultrasonic Detection fixture (14) be arranged on locating module (16) possesses enough scopes of activities to adapt to surface location and the microdisplacement of detection rotor (15) simultaneously.
Further, described laser positioning module (3) comprises generating laser (12) and globe joint adjusting mechanism (13); Generating laser (12) is fixed on the globe joint of globe joint adjusting mechanism (13), can regulate by travel direction; Utilize globe joint adjusting mechanism (13) by suitable for the pose adjustment of generating laser (12) when calibrating before use, the luminous point utilizing generating laser (12) to project during use instructs locating device (16) to put relative to the position of rotor to be detected (15); Adjustment and the switch of laser positioning module (3) have all manually operated.
Further, described locating device (16) also comprises ultrasound examination fixture (14), and described ultrasound examination fixture (14) is by patch or screw threads for fastening mode is arranged on ball pivot (11) end of front end locating module (1).
The invention has the advantages that:
1, this locating device provides location for Ultrasonic Detection fixture, without the need to manually hand-held in Non-Destructive Testing process, reduces and detects labour intensity, and its mechanical position assurance detects the reliable and stable of data simultaneously.
2, this locating device can operating attitude keep self-locking, can folding, be convenient to carrying storage.Device integrated member is simple, reliably light.
3, the front end locating module that this locating device is arranged provides sufficient degree of freedom, the site error permissible range of arranging before improving locating device work thus, ensures that the Ultrasonic Detection fixture be arranged on locating module has required detection position and attitude all the time simultaneously.
4, the laser positioning module that this locating device is arranged utilizes the position of laser guiding device before work to put, and increases work efficiency, and can carry out adjustment where necessary by globe joint adjusting mechanism to the attitude of generating laser simultaneously.
Accompanying drawing explanation
The Ultrasonic Nondestructive locating device schematic diagram of Fig. 1 the present invention design
Wherein, Reference numeral is: 1 is front end locating module, and 2 is apparatus main bodies, and 3 is laser positioning modules.
The Ultrasonic Nondestructive locating device hinge axis position schematic diagram of Fig. 2 the present invention design
Wherein, Reference numeral is: 4 is component a, and 8 is component b, and 5 is self-locking air springs, and 6 is hinge axis, and 7 is rollers.
The Ultrasonic Nondestructive locating device folding schematic diagram of Fig. 3 the present invention design
The Ultrasonic Nondestructive locating device front end locating module schematic diagram of Fig. 4 the present invention design
Wherein, Reference numeral is: 9 is elastic telescopicing rods, and 10 is horizontal slide rails, and 11 is ball pivots.
The Ultrasonic Nondestructive locating device laser positioning module diagram of Fig. 5 the present invention design
Wherein, Reference numeral is: 12 is generating lasers, and 13 is globe joint adjusting mechanisms.
The locating device of Fig. 6 the present invention design is used for the operating diagram of Ultrasonic Detection fixture location
Wherein, Reference numeral is: 14 is ultrasound examination fixtures, and 15 is turbine rotors, and 16 is Ultrasonic NDT locating devices.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
As shown in Figure 1, 2, apparatus main body 2 front end of Ultrasonic NDT locating device is provided with front end locating module 1, for installing ultrasound examination fixture 14, afterbody is provided with laser positioning module 3, its putting position correct relative to turbine rotor is indicated during arrangement and location device before work, apparatus main body 2 is provided with hinge axis 6, and connects the component of hinge both sides with self-locking air spring 5.During work, the structural member development of hinge 6 both sides is to design angle, and support detection fixture and provide location for it, under this design angle, self-locking air spring 5 automatically locks, and makes locating device keep operating attitude.When carrying out folding after hours, the manual release of self-locking air spring also provides damping.Device attitude after folding as shown in Figure 3.Roller 7 to contact to earth rolling when carrying locating device, is convenient to device and moves.
As Fig. 4, front end locating module 1 comprises elastic telescopicing rod 9, horizontal slide rail 10 and ball pivot 11, the above two provide along x-axis, translation freedoms along y-axis respectively, ball pivot 11 provides the rotary freedom around x, y, z three axles, the all directions position that may exist during arrangement and location device before work, angular error all can be compensated by above-mentioned degree of freedom, simplify preliminary work; Above-mentioned degree of freedom ensures that the Ultrasonic Detection fixture be arranged on locating module 1 possesses enough scopes of activities to adapt to the microdisplacement produced in the different height of detection rotor, surface location and rotor testing process simultaneously.Ultrasound examination fixture will be installed in ball pivot 11 front end, to carry out testing.
As Fig. 5, two cover laser positioning modules 3 of locating device tail end both sides comprise generating laser 12 and globe joint adjusting mechanism 13.During use before locating device does not launch, as utilized the generating laser 12 of both sides respectively to turbine rotor projection luminous point during Fig. 3 attitude, the attitude of generating laser 12 is under correct adjustment prerequisite, visual luminous point adjustment locating device seat is in the position on ground and drift angle, the luminous point that both sides are projected collects on the line of symmetry on rotor surface to be checked, then show locating device to put and put in place, deployablely start to detect to operating attitude.When needing the calibration carrying out generating laser 12, in the position on ground, globe joint adjusting mechanism 13 is then utilized to be detected to spots coincide in turbine rotor by the pose adjustment of generating laser 12 on the line of symmetry on surface with locating device careful arranging apparatus seat under operating attitude.
As Fig. 6, ultrasound examination fixture 14 is arranged on locating device 16 front end, obtains applicable location and be attached on the surface to be checked of turbine rotor 15.The relative ground static of system formed, by the active rotation of turbine rotor 15, completes the testing that the corresponding position while welding of ultrasonic detecting probe is all-round.
Description for the understanding of embodiment be only for help understand the present invention, instead of be used for restriction of the present invention.Those skilled in the art all can utilize thought of the present invention to carry out some and change and change, as long as its technological means does not depart from thought of the present invention and main points, still within protection scope of the present invention.
Claims (5)
1. be applicable to a Ultrasonic Nondestructive locating device for steam turbine welded disc turbine rotor, it is characterized in that: described locating device (16) mainly comprises apparatus main body (2), front end locating module (1) and laser positioning module (3); Described apparatus main body (2) is placed in ground and collapsible; Apparatus main body (2) folding movement partial component a(4 is fixed in described front end locating module (1)) front end; Described laser positioning module (3) is fixed on that apparatus main body (2) is folding is fixed on above ground portion component b(8) tail end.
2. a kind of Ultrasonic Nondestructive locating device being applicable to steam turbine welded disc turbine rotor as claimed in claim 1, is characterized in that: the component a(4 at described apparatus main body (2)) and component b(8) between hinge axis (6) is set; Hinge axis (6) in described apparatus main body (2) is other is provided with roller (7); Component a(4 in described hinge axis (6) both sides) and component b(8) between be provided with self-locking air spring (5).
3. a kind of Ultrasonic Nondestructive locating device being applicable to steam turbine welded disc turbine rotor as claimed in claim 1, is characterized in that: described front end locating module (1) by elastic telescopicing rod (9), horizontal slide rail (10), ball pivot (11) in turn connection form.
4. a kind of Ultrasonic Nondestructive locating device being applicable to steam turbine welded disc turbine rotor as claimed in claim 1, is characterized in that: described laser positioning module (3) comprises generating laser (12) and globe joint adjusting mechanism (13); Generating laser (12) is fixed on the globe joint of globe joint adjusting mechanism (13), can regulate by travel direction.
5. a kind of Ultrasonic Nondestructive locating device being applicable to steam turbine welded disc turbine rotor as claimed in claim 1, it is characterized in that: described locating device (16) also comprises ultrasound examination fixture (14), described ultrasound examination fixture (14) is by patch or screw threads for fastening mode is arranged on ball pivot (11) end of front end locating module (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510008535.8A CN104597136A (en) | 2015-01-08 | 2015-01-08 | Ultrasonic nondestructive testing positioning device applicable to steam turbine welding rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510008535.8A CN104597136A (en) | 2015-01-08 | 2015-01-08 | Ultrasonic nondestructive testing positioning device applicable to steam turbine welding rotor |
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| Publication Number | Publication Date |
|---|---|
| CN104597136A true CN104597136A (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510008535.8A Pending CN104597136A (en) | 2015-01-08 | 2015-01-08 | Ultrasonic nondestructive testing positioning device applicable to steam turbine welding rotor |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0882618A (en) * | 1994-09-12 | 1996-03-26 | Ishikawajima Harima Heavy Ind Co Ltd | Nozzle ultrasonic flaw detector |
| CN1761871A (en) * | 2003-02-21 | 2006-04-19 | 吉多·D·K·德莫莱奇 | Method and apparatus for scanning corrosion and surface defects |
| CN202066834U (en) * | 2011-04-29 | 2011-12-07 | 山西省电力公司电力科学研究院 | Non-destructive detecting device |
| CN103163219A (en) * | 2011-12-09 | 2013-06-19 | 通用电气公司 | System and method for inspecting parts using a dual multi-axis robotic device |
| CN203720152U (en) * | 2014-01-13 | 2014-07-16 | 国核电站运行服务技术有限公司 | Ultrasonic phased-array detection device applicable to impeller of steam turbine rotor |
| CN203745431U (en) * | 2014-03-26 | 2014-07-30 | 深圳市神视检验有限公司 | Automatic scanning device for ultrasonic detection |
| CN204330690U (en) * | 2015-01-08 | 2015-05-13 | 中国东方电气集团有限公司 | A kind of Ultrasonic Nondestructive locating device being applicable to steam turbine welded disc turbine rotor |
-
2015
- 2015-01-08 CN CN201510008535.8A patent/CN104597136A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0882618A (en) * | 1994-09-12 | 1996-03-26 | Ishikawajima Harima Heavy Ind Co Ltd | Nozzle ultrasonic flaw detector |
| CN1761871A (en) * | 2003-02-21 | 2006-04-19 | 吉多·D·K·德莫莱奇 | Method and apparatus for scanning corrosion and surface defects |
| CN202066834U (en) * | 2011-04-29 | 2011-12-07 | 山西省电力公司电力科学研究院 | Non-destructive detecting device |
| CN103163219A (en) * | 2011-12-09 | 2013-06-19 | 通用电气公司 | System and method for inspecting parts using a dual multi-axis robotic device |
| CN203720152U (en) * | 2014-01-13 | 2014-07-16 | 国核电站运行服务技术有限公司 | Ultrasonic phased-array detection device applicable to impeller of steam turbine rotor |
| CN203745431U (en) * | 2014-03-26 | 2014-07-30 | 深圳市神视检验有限公司 | Automatic scanning device for ultrasonic detection |
| CN204330690U (en) * | 2015-01-08 | 2015-05-13 | 中国东方电气集团有限公司 | A kind of Ultrasonic Nondestructive locating device being applicable to steam turbine welded disc turbine rotor |
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| PB01 | Publication | ||
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Application publication date: 20150506 |