CN204422483U - Impeller of steam turbine rotor ultrasonic phased array automatic detection device - Google Patents
Impeller of steam turbine rotor ultrasonic phased array automatic detection device Download PDFInfo
- Publication number
- CN204422483U CN204422483U CN201520006737.4U CN201520006737U CN204422483U CN 204422483 U CN204422483 U CN 204422483U CN 201520006737 U CN201520006737 U CN 201520006737U CN 204422483 U CN204422483 U CN 204422483U
- Authority
- CN
- China
- Prior art keywords
- phased array
- impeller
- turbine rotor
- steam turbine
- car body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model provides a kind of impeller of steam turbine rotor ultrasonic phased array automatic detection device, and comprise circumference guide rail and scanning car body, circumference guide rail is magnetically attached to impeller of steam turbine rotor outside surface, and scanning car body circumferentially guide rail circles; Before and after scanning car body, both sides are equipped with driving wheel, and the scanning car body left and right sides arranges displacement encoder and phased array probe respectively, and phased array probe, displacement encoder are all connected with phased array inspection instrument.Scanning car body circumferentially guide rail does circumference 360 degree movement, and phased array probe carries out 100% detection to impeller groove at different levels, and crawling process medium velocity is stablized, and improves the stability of detection signal.Detected by the impeller ultrasonic phased array using the circumference guide rail of different-diameter to make this device be applicable to different-diameter.The utility model effectively expands Ultrasonic Detection coverage, improves detecting reliability and detection efficiency, reduces the working strength of testing staff, improves detection efficiency.
Description
Technical field
The utility model relates to non-destructive detecting device field, particularly relates to a kind of impeller of steam turbine rotor ultrasonic phased array automatic detection device.
Background technology
Turbine rotor is one of nucleus equipment of Thermal Power Station, the safety of the stable operation relation electrical production of turbine rotor and economic benefit, along with the raising that people require industrial awareness of safety, quality mind and system equipment operational efficiency, the regular Non-Destructive Testing of turbine rotor seems particularly important.
According to the Experience Feedback of temperature of power plant steam turbine group, find may crack on impeller of steam turbine rotor groove.In order to ensure power plant safety even running, are the important means guaranteeing safe operation of power plant to the periodic detection of impeller of steam turbine rotor parts.
Turbine rotor macro-axis majority in nuclear power plant and thermal power plant is ferromagnetism low alloy steel, and due to turbine rotor complex structure, two inter-stage spaces are narrow and small, and the situation inferior lobe wheel groove location that turbine blade is not dismantled between overhaul time implements Ultrasonic Detection difficulty.Impeller groove complex structure simultaneously, the enforcement detected to conventional Ultrasound brings larger difficulty, and main manifestations is restricted for detecting accessibility.Therefore, there is obvious limitation in conventional Ultrasound manual inspection, and therefore a kind of ultrasound wave automatic detection device for impeller of steam turbine rotor groove design feature treated by letter.
Utility model content
Technical problem to be solved in the utility model is exactly for above shortcomings in prior art, a kind of impeller of steam turbine rotor ultrasonic phased array automatic detection device is provided, improve impeller of steam turbine rotor groove ultrasonic phased array and detect the quality of data and detection efficiency, reduce the working strength of testing staff, effectively cover the unreachable region of conventional Ultrasound manual inspection.
For achieving the above object and other relevant objects, the utility model provides a kind of impeller of steam turbine rotor ultrasonic phased array automatic detection device, comprise circumference guide rail and scanning car body, described circumference guide rail is magnetically attached to impeller of steam turbine rotor outside surface, and described scanning car body circumferentially guide rail circles; Before and after described scanning car body, both sides are equipped with driving wheel, and the described scanning car body left and right sides arranges displacement encoder and phased array probe respectively, and described phased array probe, displacement encoder are all connected with phased array inspection instrument.
Further, described scanning vehicle bottom is provided with two parallel row Guide rollerses, forms guide rail grasping part between two row Guide rollerses.
Further, the nearly impeller of steam turbine rotor central side of described scanning vehicle bottom is provided with magnet steel.
Further, scanning car body and scanning motor are by transmission case gear connection for transmission.
Further, described phased array probe is connected on scanning car body by bracing frame, and support frame as described above comprises perpendicular support and a lateral frame, and described lateral frame is fixed on described scanning car body side, and described perpendicular bracket slide is connected on described lateral frame.
Further, described phased array probe frame is connected with a slide block, described perpendicular support is provided with a line slideway, and described slide block slides along described line slideway, is connected with an extension spring between described slide block and line slideway.
Further, described phased array probe is located in phased array probe frame, and described phased array probe frame is rotationally connected with on described slide block.
Further, described line slideway is provided with the lock handle of a lock slider position.
By above technical scheme, the utility model has following technique effect compared to prior art:
1. the utility model adopts modular design, small in volume, compact conformation, is convenient to safeguard and carrying.Device is quick and easy for installation, and Aulomatizeted Detect effectively reduces labour intensity, ensures the continuity detecting data, improves and detect the quality of data and detection efficiency.
2. the utility model utilizes magnetic suck principle, wide adaptability, and the ferromagnetism impeller of steam turbine rotor being applicable to different-diameter implements the detection of impeller ultrasonic phased array.
3. parts of the present utility model all adopt stainless steel and aluminium alloy, are applicable to the request for utilization of meeting water for a long time, prevent from getting rusty.
4. the utility model is provided with displacement encoder, can Real-Time Monitoring for detection displacement, improves the positioning precision detected.
5. the utility model adopts DC motor Driver, can realize stepless speed regulation.According to actual needs, select rational detection speed, Scanning speed real-time, tunable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is Fig. 1 upward view;
Fig. 3 is utility model works view.
Element numbers illustrates:
1 scanning car body
2 transmission cases
3 driving wheels
4 scanning motors
5 lateral frames
6 perpendicular supports
7 displacement encoders
8 phases visit battle array probe holder
9 line slideways
10 extension springs
11 phases visit battle array probe
12 magnet steel
13 Guide rollerses
14 circumference guide rails
Embodiment
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar the content disclosed by this instructions can understand other advantages of the present utility model and effect easily.
Refer to Fig. 1 to Fig. 3.Notice, structure, ratio, size etc. that this instructions institute accompanying drawings illustrates, content all only in order to coordinate instructions to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, still all should drop on technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, quote in this instructions as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
Consult shown in Fig. 1, the utility model provides a kind of impeller of steam turbine rotor ultrasonic phased array automatic detection device, comprises circumference guide rail 14 and scanning car body 1, and circumference guide rail 14 is adsorbed in ferromagnetism impeller of steam turbine rotor outside surface by magnetic part.As shown in Figure 2, scanning vehicle bottom is provided with between two parallel row Guide rollers 13, two row Guide rollerses 13 and forms guide rail grasping part.Before and after scanning car body 1, both sides are equipped with driving wheel 3, and by transmission case 2 and scanning motor 4 gear connection for transmission, make scanning car body 1 circumferentially guide rail 14 circle.The nearly impeller of steam turbine rotor central side of scanning vehicle bottom is provided with four magnet steel 12, when there is motion from lower to upper, prevents scanning car body 1 from coming off on impeller.Scanning motor 4 adopts direct current generator, can realize stepless speed regulation, and be controlled by electric control system.Electric control system is primarily of compositions such as controller, driver, guidance panel, electric cabinets, testing staff can realize the displacement of pick-up unit, direction, speeds control by guidance panel, according to actual needs, select rational detection speed, Scanning speed real-time, tunable.
Scanning car body 1 left and right sides arranges displacement encoder 7 and phased array probe 11 respectively, and displacement encoder 7 can Real-Time Monitoring for detection displacement, improves the positioning precision detected.Phased array probe 11, displacement encoder 7 are all connected with phased array inspection instrument, and phased array probe 11 is located in phased array probe frame 8, and phased array probe frame 8 is connected on scanning car body by bracing frame.Bracing frame comprises perpendicular support 6 and lateral frame 5, and lateral frame 5 is installed in scanning car body side, and perpendicular support 6 is slidably connected on lateral frame 5.Phased array probe frame 8 is connected with a slide block, phased array probe frame is rotationally connected with on slide block, and phased array probe frame 8 can rotate within the specific limits.Perpendicular support is provided with a line slideway 9, and slide block is slide linearly, is connected with an extension spring 10 between slide block and line slideway, produces snap-in force when phased array probe can be made to fit in detection faces.In displacement encoder, be also provided with spring, the good contact between examined workpiece and rolling can be ensured.Simultaneously behind the position having adjusted phased array probe frame 8, by being arranged on the lock handle locking on line slideway 9.
As shown in Figure 3, first circumference guide rail 14 is adsorbed in impeller of steam turbine rotor outside surface during actual installation, scanning car body 1 is placed on circumference guide rail 14.Scanning car body front end is attached at impeller of steam turbine rotor outside surface equally due to magnet steel 12.Adjustment bracing frame makes the acoustic beam of phased array probe 11 effectively cover tested difference, displacement encoder 7 and phased array probe 11 synchronized movement, realizes the corresponding of positional information and collection signal.
Scanning car body 1 circumferentially guide rail 14 does circumference 360 degree movement, and phased array probe 11 carries out 100% detection to impeller groove at different levels, and crawling process medium velocity is stablized, and improves the stability of detection signal.Detected by the impeller ultrasonic phased array using the circumference guide rail 14 of different-diameter to make impeller of steam turbine rotor ultrasonic phased array automatic detection device can be applicable to different-diameter.The utility model impeller of steam turbine rotor ultrasonic phased array automatic detection device adopts ultrasonic phased array detection technique to substitute conventional Ultrasound detection technique, can effectively expand Ultrasonic Detection coverage, improve detecting reliability and detection efficiency, reduce the working strength of testing staff, improve detection efficiency, and there is direction, speed, displacement setting, the real-time Presentation Function of detection displacement.Control system is easy and simple to handle, can set detected parameters at any time.
For being applicable to the request for utilization of meeting water for a long time, prevent from getting rusty, each parts of this device all adopt stainless steel and aluminium alloy.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (8)
1. an impeller of steam turbine rotor ultrasonic phased array automatic detection device, is characterized in that, comprises circumference guide rail and scanning car body, and described circumference guide rail is magnetically attached to impeller of steam turbine rotor outside surface, and described scanning car body circumferentially guide rail circles; Before and after described scanning car body, both sides are equipped with driving wheel, and the described scanning car body left and right sides arranges displacement encoder and phased array probe respectively, and described phased array probe, displacement encoder are all connected with phased array inspection instrument.
2. impeller of steam turbine rotor ultrasonic phased array automatic detection device according to claim 1, is characterized in that, described scanning vehicle bottom is provided with two parallel row Guide rollerses, forms guide rail grasping part between two row Guide rollerses.
3. impeller of steam turbine rotor ultrasonic phased array automatic detection device according to claim 1, is characterized in that, the nearly impeller of steam turbine rotor central side of described scanning vehicle bottom is provided with magnet steel.
4. impeller of steam turbine rotor ultrasonic phased array automatic detection device according to claim 1, is characterized in that, scanning car body and scanning motor are by transmission case gear connection for transmission.
5. impeller of steam turbine rotor ultrasonic phased array automatic detection device according to claim 1, it is characterized in that, described phased array probe is connected on scanning car body by bracing frame, support frame as described above comprises perpendicular support and a lateral frame, described lateral frame is fixed in described scanning car body side, and described perpendicular bracket slide is connected on described lateral frame.
6. impeller of steam turbine rotor ultrasonic phased array automatic detection device according to claim 5, it is characterized in that, described phased array probe frame is connected with a slide block, described perpendicular support is provided with a line slideway, described slide block slides along described line slideway, is connected with an extension spring between described slide block and line slideway.
7. impeller of steam turbine rotor ultrasonic phased array automatic detection device according to claim 6, is characterized in that, described phased array probe is located in phased array probe frame, and described phased array probe frame is rotationally connected with on described slide block.
8. impeller of steam turbine rotor ultrasonic phased array automatic detection device according to claim 6, is characterized in that, described line slideway is provided with the lock handle of a lock slider position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520006737.4U CN204422483U (en) | 2015-01-06 | 2015-01-06 | Impeller of steam turbine rotor ultrasonic phased array automatic detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520006737.4U CN204422483U (en) | 2015-01-06 | 2015-01-06 | Impeller of steam turbine rotor ultrasonic phased array automatic detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204422483U true CN204422483U (en) | 2015-06-24 |
Family
ID=53472840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520006737.4U Active CN204422483U (en) | 2015-01-06 | 2015-01-06 | Impeller of steam turbine rotor ultrasonic phased array automatic detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204422483U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319269A (en) * | 2015-09-29 | 2016-02-10 | 国家电网公司 | Ultrasonic phased array imaging detection method for steam turbine blade root bolt holes |
| CN107839779A (en) * | 2017-11-13 | 2018-03-27 | 清华大学天津高端装备研究院 | A kind of TOFD flaw detections climbing robot |
| CN108333307A (en) * | 2018-02-07 | 2018-07-27 | 苏州热工研究院有限公司 | A kind of turbine rotor welding point detecting system |
| CN109142543A (en) * | 2018-07-19 | 2019-01-04 | 广东汕头超声电子股份有限公司 | A kind of automatic creeping scanning trolley |
| CN109752453A (en) * | 2017-11-06 | 2019-05-14 | 国核电站运行服务技术有限公司 | Impeller of steam turbine rotor ultrasonic phased array automatic detection device |
-
2015
- 2015-01-06 CN CN201520006737.4U patent/CN204422483U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319269A (en) * | 2015-09-29 | 2016-02-10 | 国家电网公司 | Ultrasonic phased array imaging detection method for steam turbine blade root bolt holes |
| CN109752453A (en) * | 2017-11-06 | 2019-05-14 | 国核电站运行服务技术有限公司 | Impeller of steam turbine rotor ultrasonic phased array automatic detection device |
| CN107839779A (en) * | 2017-11-13 | 2018-03-27 | 清华大学天津高端装备研究院 | A kind of TOFD flaw detections climbing robot |
| CN108333307A (en) * | 2018-02-07 | 2018-07-27 | 苏州热工研究院有限公司 | A kind of turbine rotor welding point detecting system |
| CN109142543A (en) * | 2018-07-19 | 2019-01-04 | 广东汕头超声电子股份有限公司 | A kind of automatic creeping scanning trolley |
| CN109142543B (en) * | 2018-07-19 | 2021-09-28 | 广东汕头超声电子股份有限公司 | Automatic crawling scanning trolley applied to online detection of train wheel surface defects |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204422483U (en) | Impeller of steam turbine rotor ultrasonic phased array automatic detection device | |
| CN203720152U (en) | Ultrasonic phased-array detection device applicable to impeller of steam turbine rotor | |
| CN102539165B (en) | Comprehensive test bed of performances and durability of power-driven window glass lifter | |
| CN210294159U (en) | Magnetic flux leakage detection device for drill rod rotating in situ and driving flaw detector to move transversely | |
| CN102818842A (en) | Ultrasonic automatic detection system of tubing with variable wall thickness and step | |
| CN104330049A (en) | Portable locomotive vehicle wheel pair surface wearing automatic detection device and detection method | |
| CN203587046U (en) | Device for measuring geometrical tolerances of cylinder | |
| CN104020271A (en) | Nondestructive test equipment for circular rods and circular pipe metal materials | |
| CN204462084U (en) | A kind of welded disc turbine rotor phased-array ultrasonic Non-Destructive Testing fixture | |
| CN103776736A (en) | Lining viscosity measurement instrument | |
| CN210108282U (en) | Columnar part outer circumference size and shape and position error non-contact intelligent detector | |
| CN102809605A (en) | Two-end internal-external synchronous type ultrasonic automatic defectoscope for large-sized shell ring piece | |
| CN104677325A (en) | Measuring instrument and measuring method of complex rotating part profile | |
| CN204360055U (en) | A kind of tester substrate device | |
| CN204269597U (en) | A kind of portable multi-function scanning bracket | |
| CN202281594U (en) | CCD sensor servo device for railway fright car detection | |
| CN202442871U (en) | Comprehensive test bed for performance and durability of electric window glass lifter | |
| CN207215017U (en) | A kind of roll shape beam three-face punching accuracy detecting device | |
| CN104155316A (en) | Industrial nondestructive testing device | |
| CN203464915U (en) | Coordinate measuring machine | |
| CN205579069U (en) | Infrared multi -point temperature measurement scanning cloud platform | |
| CN202770444U (en) | Water depth flow velocity self-operated measuring device | |
| CN102809607A (en) | Two-ends-telescopic internally-externally-synchronous automatic ultrasonic diagnostic machine for large-scale cylindrical shell section parts | |
| CN201707127U (en) | Meshing noise detecting device | |
| CN202630934U (en) | Pipe center detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |