CN109084153A - A kind of T-type blade root slot phased array ultrasonic detection is with apart from angle controller - Google Patents

A kind of T-type blade root slot phased array ultrasonic detection is with apart from angle controller Download PDF

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Publication number
CN109084153A
CN109084153A CN201811068540.8A CN201811068540A CN109084153A CN 109084153 A CN109084153 A CN 109084153A CN 201811068540 A CN201811068540 A CN 201811068540A CN 109084153 A CN109084153 A CN 109084153A
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CN
China
Prior art keywords
adjusting rod
gear
spin
apart
angle
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Pending
Application number
CN201811068540.8A
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Chinese (zh)
Inventor
王志强
王鹏
贾若飞
李东江
秦承鹏
王强
王福贵
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Xian Thermal Power Research Institute Co Ltd
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Thermal Power Research Institute
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Priority to CN201811068540.8A priority Critical patent/CN109084153A/en
Publication of CN109084153A publication Critical patent/CN109084153A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043Allowing translations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/18Heads with mechanism for moving the apparatus relatively to the stand
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04Analysing solids
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04Analysing solids
    • G01N29/06Visualisation of the interior, e.g. acoustic microscopy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The invention discloses a kind of T-type blade root slot phased array ultrasonic detections with apart from angle controller, including first gear, second gear, gear linkage, distance controlling ruler, first angle adjusting rod, the first spin apart from adjusting rod, the first spin, second angle adjusting rod, the second spin apart from adjusting rod and the second spin, the device can accurately control ultrasonic inspection probe to the distance of detection position, meet the T-type blade root slot detection of different curvature radius.

Description

A kind of T-type blade root slot phased array ultrasonic detection is with apart from angle controller
Technical field
The present invention relates to a kind of angle controllers, and in particular to a kind of T-type blade root slot phased array ultrasonic detection distance Angle controller.
Background technique
T-type blade root slot is widely applied blade root slot form on a kind of steam turbine, since its structure is complicated, belongs to special-shaped structure Part, flaw echo is difficult to differentiate between with structure back wave when conventional Ultrasound (pulse-echo of A type) detects, and probe placement position has in addition Limit, detection difficult.
Phased array supersonic can realize that angular deflection, realization sweep detection position in the case where not mobile probe comprehensively It looks into, is the optimal selection for solving conventional Ultrasound detection difficult.But it needs to keep probe and detection position when phased array ultrasonic detection It is constant apart from angle, to realize accurate and reliable detection.It is general that probe positions are carried out using scribing line and tape are the methods of fixed It is fixed, but T-type blade root slot is a part of turbine rotor wheel rim, and walked track is a circle when popping one's head in detection position scanning Shape, it is conventional to be not suitable with testing requirements apart from angle control method, it is therefore desirable to develop a kind of angle controller, the device The distance that probe arrives detection position can be accurately controlled, the T-type blade root slot detection of different curvature radius is met.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of T-type blade root slot phased array supersonic is provided With apart from angle controller, which can accurately control ultrasonic inspection probe to the distance of detection position for detection, meet not T-type blade root slot with radius of curvature detects.
In order to achieve the above objectives, T-type blade root slot phased array ultrasonic detection of the present invention is with apart from angle controller It is adjusted including first gear, second gear, gear linkage, distance controlling ruler, first angle adjusting rod, the first spin distance Bar, the first spin, second angle adjusting rod, the second spin are apart from adjusting rod and the second spin;
First gear is meshed with the second gear, axis connection between the side and first gear of gear linkage, and gear connects Axis connection between the other end and second gear of fitting offers the first through hole being distributed from top to bottom on gear linkage, away from One end from control ruler passes through the first through hole, and ultrasonic inspection probe is fixed on the other end of distance controlling ruler, first angle One end of adjusting rod is fixed in first gear, the other end of the first spin one end apart from adjusting rod and first angle adjusting rod It is flexibly connected, the first spin is set to the other end of first spin apart from adjusting rod;One end of second angle adjusting rod is fixed on In second gear, the one end of the second spin apart from adjusting rod is flexibly connected with the other end of second angle adjusting rod, the second spin It is set to the other end of second spin apart from adjusting rod.
It is provided with external screw thread on the outer wall of distance controlling ruler, is provided in first through hole in being matched with the external screw thread Screw thread.
First bolt passes through gear linkage and gear linkage is connected by first gear with first gear, the second bolt Gear linkage is connected with second gear across gear linkage and second gear.
First bolt passes through first angle adjusting rod, and the second bolt passes through the second angle adjusting rod.
First connector passes through first angle adjusting rod and the side of first gear adjusts first gear and first angle Bar is fixedly connected, and the second connector passes through the side of second angle adjusting rod and second gear for second gear and second angle tune Pole is fixedly connected.
It further include the first cross hookup, the first spin is provided in the axial direction with the first strip slot on adjusting rod, The second strip slot is circumferentially offered on first angle adjusting rod, third bolt passes through the first strip slot, the 10th Word hookup and the second strip slot are by the first spin apart from adjusting rod, the first cross hookup and first angle adjusting rod phase Connection.
It further include the second cross hookup, the second spin is provided in the axial direction with third strip slot on adjusting rod, Third strip slot is circumferentially offered on second angle adjusting rod, the 4th bolt passes through third strip slot, the 20th Second spin is connected apart from adjusting rod with second angle adjusting rod by word hookup and the 4th strip slot.
Scale is provided on distance controlling ruler.
The invention has the following advantages:
T-type blade root slot phased array ultrasonic detection of the present invention with apart from angle controller when specific operation, One spin and the second spin are located on T-type wheel rim upper surface, according to the width adjusting third bolt of T-type wheel rim upper surface first The position of position and the 4th bolt in third strip slot in strip slot, according to the curvature of T-type wheel rim upper surface Position and fourth spiral shell of the tooth matching angle, third bolt of radius adjusting first gear and second gear in the first rectangle slot Position of the bolt in the second rectangle slot, according to ultrasonic inspection probe, adjustable range control ruler stretches out at a distance from tested position The length of first through hole meets the T-type leaf of different curvature radius accurately to control ultrasonic inspection probe to the distance of detection position The detection of root slot, structure is simple, and easy to operate, practicability is extremely strong.
Detailed description of the invention
Location drawing when Fig. 1 is present invention detection;
Fig. 2 is structural schematic diagram of the invention.
Wherein, 11 be the first spin, 12 be the second spin, 21 be the first spin apart from adjusting rod, 22 be the second spin away from It is the first cross hookup from adjusting rod, 31,32 be the second cross hookup, 41 be first angle adjusting rod, 42 is second jiao Degree adjusting rod, 51 be third bolt, 52 be the 4th bolt, 53 be the first connector, 54 be the second connector, 55 be the first spiral shell Bolt, 56 be the second bolt, 6 be gear linkage, 71 be first gear, 72 be second gear, 8 be distance controlling ruler.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
With reference to Fig. 2, T-type blade root slot phased array ultrasonic detection of the present invention includes first with apart from angle controller Gear 71, second gear 72, gear linkage 6, distance controlling ruler 8, first angle adjusting rod 41, the first spin are apart from adjusting rod 21, the first spin 11, second angle adjusting rod 42, the second spin are apart from adjusting rod 22 and the second spin 12;First gear 71 with Second gear 72 is meshed, axis connection between the side and first gear 71 of gear linkage 6, the other end of gear linkage 6 The axis connection between second gear 72 offers the first through hole being distributed from top to bottom, distance controlling ruler 8 on gear linkage 6 One end pass through the first through hole, ultrasonic inspection probe is fixed on the other end of distance controlling ruler 8, first angle adjusting rod 41 One end be fixed in first gear 71, the other end of the first spin one end apart from adjusting rod 21 and first angle adjusting rod 41 It is flexibly connected, the first spin 11 is set to the other end of first spin apart from adjusting rod 21;One end of second angle adjusting rod 42 It is fixed in second gear 72, the other end activity of the one end of the second spin apart from adjusting rod 22 and second angle adjusting rod 42 connects It connects, the second spin 12 is set to the other end of second spin apart from adjusting rod 22.
It is provided with external screw thread on the outer wall of distance controlling ruler 8, is provided in first through hole and matches with the external screw thread Internal screw thread;Scale is provided on distance controlling ruler 8.
First bolt 55 passes through gear linkage 6 and gear linkage 6 is connected by first gear 71 with first gear 71, Second bolt 56 passes through gear linkage 6 and gear linkage 6 is connected by second gear 72 with second gear 72, wherein the One bolt 55 passes through first angle adjusting rod 41, and the second bolt 56 passes through the second angle adjusting rod 42.
First connector 53 passes through the side of first angle adjusting rod 41 and first gear 71 for first gear 71 and first Angular adjustment bar 41 is fixedly connected, and the second connector 54 passes through the side of second angle adjusting rod 42 and second gear 72 for second Gear 72 is fixedly connected with second angle adjusting rod 42.
The invention also includes the first cross hookup 31 and the second cross hookups 32, and the first spin is on adjusting rod 21 It is provided in the axial direction with the first strip slot, the second strip slot, third are circumferentially offered on first angle adjusting rod 41 Bolt 51 passes through the first strip slot, the first cross hookup 31 and the second strip slot for the first spin apart from adjusting rod 21, the first cross hookup 31 is connected with first angle adjusting rod 41;Second spin opens up on adjusting rod 22 along axial direction There is third strip slot, third strip slot is circumferentially offered on second angle adjusting rod 42, the 4th bolt 52 passes through Third strip slot, the second cross hookup 32 and the 4th strip slot are by the second spin apart from adjusting rod 22 and second jiao Degree adjusting rod 42 is connected.
First spin 11 and the second spin 12 are rolled on T-type wheel rim upper surface, the center of first gear 71 With the line of the center of second gear 72 and the axis perpendicular of first through hole.
With reference to Fig. 1, in practical operation, according to the width adjusting third bolt 51 of T-type wheel rim upper surface in the first strip Then the position of position and the 4th bolt 52 in third strip slot in shape slot passes through third bolt 51 for the 10th Word hookup 31, the first spin are fixedly connected apart from adjusting rod 21 and first angle adjusting rod 41, by the 4th bolt 52 by Two cross hookups 32, the second spin are fixedly connected apart from adjusting rod 22 and second angle adjusting rod 42.
Tooth matching angle, the third of first gear 71 and second gear 72 are adjusted according to the radius of curvature of T-type wheel rim upper surface Position of position and fourth bolt 52 of the bolt 51 in the first rectangle slot in the second rectangle slot, after the completion of adjusting It is fastened by third bolt 51 and the 4th bolt 52;The adjustable range control at a distance from tested position according to ultrasonic inspection probe Ruler 8 processed stretches out the length of first through hole, to adapt to current ultrasonic detection probe at a distance from tested position.
When above-described embodiment is only used to further illustrate a kind of blade root slot phased array ultrasonic detection for T-type of the invention Apart from angle controller, but the present invention is not limited to the embodiment, according to the technical essence of the invention to above embodiments Made any simple modification, equivalent change and modification, fall within the scope of protection of technical solution of the present invention.

Claims (8)

1. a kind of T-type blade root slot phased array ultrasonic detection is with apart from angle controller, which is characterized in that including first gear (71), second gear (72), gear linkage (6), distance controlling ruler (8), first angle adjusting rod (41), the first spin distance Adjusting rod (21), the first spin (11), second angle adjusting rod (42), the second spin are apart from adjusting rod (22) and the second spin (12);
First gear (71) is meshed with second gear (72), axis between the side and first gear (71) of gear linkage (6) Connection, axis connection between the other end and second gear (72) of gear linkage (6), gear linkage offer on (6) from upper The first through hole is passed through to one end of the first through hole of lower distribution, distance controlling ruler (8), ultrasonic inspection probe is fixed on distance The other end of ruler (8) is controlled, one end of first angle adjusting rod (41) is fixed on first gear (71), and the first spin distance is adjusted One end of pole (21) is flexibly connected with the other end of first angle adjusting rod (41), and the first spin (11) is set to the first spin The other end apart from adjusting rod (21);One end of second angle adjusting rod (42) is fixed on second gear (72), the second spin One end apart from adjusting rod (22) is flexibly connected with the other end of second angle adjusting rod (42), and the second spin (12) is set to The other end of two spin apart from adjusting rod (22).
2. T-type blade root slot phased array ultrasonic detection according to claim 1 is with apart from angle controller, feature exists In being provided with external screw thread on the outer wall of distance controlling ruler (8), the interior spiral shell matched with the external screw thread be provided in first through hole Line.
3. T-type blade root slot phased array ultrasonic detection according to claim 1 is with apart from angle controller, feature exists In the first bolt (55) passes through gear linkage (6) and first gear (71) for gear linkage (6) and first gear (71) phase Connection, the second bolt (56) pass through gear linkage (6) and second gear (72) for gear linkage (6) and second gear (72) It is connected.
4. T-type blade root slot phased array ultrasonic detection according to claim 3 is with apart from angle controller, feature exists In the first bolt (55) passes through first angle adjusting rod (41), and the second bolt (56) passes through the second angle adjusting rod (42).
5. T-type blade root slot phased array ultrasonic detection according to claim 1 is with apart from angle controller, feature exists The side of first angle adjusting rod (41) and first gear (71) is passed through by first gear (71) and the in, the first connector (53) One angular adjustment bar (41) is fixedly connected, and the second connector (54) passes through second angle adjusting rod (42) and second gear (72) Second gear (72) is fixedly connected by side with second angle adjusting rod (42).
6. T-type blade root slot phased array ultrasonic detection according to claim 3 is with apart from angle controller, feature exists In further including the first cross hookup (31), the first spin is provided in the axial direction with the first strip slot on adjusting rod (21) Hole, the second strip slot is circumferentially offered on first angle adjusting rod (41), and third bolt (51) passes through the first strip First spin is coupled by slot, the first cross hookup (31) and the second strip slot apart from adjusting rod (21), the first cross (31 are connected device with first angle adjusting rod (41).
7. T-type blade root slot phased array ultrasonic detection according to claim 6 is with apart from angle controller, feature exists In further including the second cross hookup (32), the second spin is provided in the axial direction with third strip slot on adjusting rod (22) Hole, third strip slot is circumferentially offered on second angle adjusting rod (42), and the 4th bolt (52) passes through third strip Slot, the second cross hookup (32) and the 4th strip slot adjust the second spin apart from adjusting rod (22) and second angle Bar (42) is connected.
8. T-type blade root slot phased array ultrasonic detection according to claim 1 is with apart from angle controller, feature exists In distance controlling ruler is provided with scale on (8).
CN201811068540.8A 2018-09-13 2018-09-13 A kind of T-type blade root slot phased array ultrasonic detection is with apart from angle controller Pending CN109084153A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109855538A (en) * 2019-03-18 2019-06-07 湘潭大学 A kind of device and method of auto-measuring structural elements geometry initial imperfection
CN112484682A (en) * 2020-11-05 2021-03-12 中国航发四川燃气涡轮研究院 Measuring device and measuring method for adjustable blade installation angle

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CN101639463A (en) * 2009-09-03 2010-02-03 北京主导时代科技有限公司 Locomotive car wheel fault detecting device based on phased array probe
CN205749586U (en) * 2016-06-21 2016-11-30 上海驹电电气科技有限公司 A kind of sonac support bar for live detection
CN107490623A (en) * 2017-09-19 2017-12-19 中国航空综合技术研究所 Ultrasonic scanner and its detection method
KR20180022421A (en) * 2016-08-24 2018-03-06 안성현 Apparatus for measuring radius of curvature
CN208750373U (en) * 2018-09-13 2019-04-16 西安热工研究院有限公司 A kind of T-type blade root slot phased array ultrasonic detection is with apart from angle controller

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0720104A (en) * 1993-06-30 1995-01-24 Toshiba Corp Ultrasonic probe scanner
WO2008010558A1 (en) * 2006-07-20 2008-01-24 Panasonic Corporation Ultrasonic probe
CN101639463A (en) * 2009-09-03 2010-02-03 北京主导时代科技有限公司 Locomotive car wheel fault detecting device based on phased array probe
CN205749586U (en) * 2016-06-21 2016-11-30 上海驹电电气科技有限公司 A kind of sonac support bar for live detection
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CN208750373U (en) * 2018-09-13 2019-04-16 西安热工研究院有限公司 A kind of T-type blade root slot phased array ultrasonic detection is with apart from angle controller

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109855538A (en) * 2019-03-18 2019-06-07 湘潭大学 A kind of device and method of auto-measuring structural elements geometry initial imperfection
CN109855538B (en) * 2019-03-18 2024-03-26 湘潭大学 Device and method for automatically measuring geometric initial defects of structural member
CN112484682A (en) * 2020-11-05 2021-03-12 中国航发四川燃气涡轮研究院 Measuring device and measuring method for adjustable blade installation angle

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