CN203849222U - Special ultrasonic flaw detection test block for T-shaped blade roots - Google Patents
Special ultrasonic flaw detection test block for T-shaped blade roots Download PDFInfo
- Publication number
- CN203849222U CN203849222U CN201420256132.6U CN201420256132U CN203849222U CN 203849222 U CN203849222 U CN 203849222U CN 201420256132 U CN201420256132 U CN 201420256132U CN 203849222 U CN203849222 U CN 203849222U
- Authority
- CN
- China
- Prior art keywords
- shaped
- test block
- shoulder
- flaw detection
- width
- 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.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 239000000523 sample Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 241000124033 Salix Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model relates to a special ultrasonic flaw detection test block for T-shaped blade roots. The test block comprises a shoulder platform, wherein a left end lower edge strip and a right end lower edge strip are integrally processed below the left and right sides of the shoulder platform, a supporting beam is integrally processed below the middle part of the shoulder platform, a base is integrally processed at the lower end of the supporting beam, a horizontal linear cutting groove with the width of 1mm and the depth of 3mm is processed at each of the two front and back interfaces of the supporting beam and the shoulder platform, and a horizontal linear cutting groove with the width of 1mm and the depth of 3mm is processed at each of the two front and back interfaces of the supporting beam and the shoulder platform. The utility model discloses the special ultrasonic flaw detection test block suitable for on-site detection of T-shaped blade roots aiming at generator sets with power systems of 200 MW and lower, and the test block is used for ensuring the detection quality and eliminating the potential safety hazard for the safe operation of power plants.
Description
Technical field
The utility model belongs to power equipment and manufactures processing technique field, especially a kind of T-shaped blade root special-purpose ultrasonic flaw detection test block.
Background technology
Blade is the vitals of steam turbine in genset, often because of the operation of blade root generation fracture accident serious threat Turbine Safety, therefore it is very important by various lossless detection methods, blade being carried out to preventive inspection in time, is also one of main test item of genset metal supervision inspection.
The position that current 200MW and the turbine blade of following genset are prone to accidents is final stage and inferior final stage, their root is mainly junction of the edges of two sheets of paper willow hole forked type, the complicated condition of Site Detection, therefore must adopt reference block to ensure the accuracy of Ultrasonic Detection.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, and proposes a kind of T-shaped blade root special-purpose ultrasonic flaw detection test block.
The utility model solves its technical matters and takes following technical scheme to realize:
A kind of T-shaped blade root special-purpose ultrasonic flaw detection test block, this T-shaped flaw detection test block is connected to the lower end of tested blade, this T-shaped flaw detection test block comprises rectangular parallelepiped shoulder, below the left and right sides of shoulder, one is shaped with left end lower sid strip and the right-hand member lower sid strip identical with width before and after shoulder, below shoulder middle part, one is shaped with support beam vertical with shoulder and that front and back width is identical, be shaped with base vertical with support beam and that front and back width is identical in the lower end of support beam one, the width that is shaped with respectively level at shoulder former and later two interface places crossing with support beam is 1mm, the degree of depth is the line cutting groove of 3mm, the width that is shaped with respectively level at base former and later two interface places crossing with support beam is 1mm, the degree of depth is the line cutting groove of 3mm.
And the width that is shaped with respectively level at shoulder former and later two interface places crossing with left side lower sid strip is 0.5mm, the line cutting groove that the degree of depth is 3mm.
And the width that is shaped with respectively level at shoulder former and later two interface places crossing with right side lower sid strip is 1.5mm, the line cutting groove that the degree of depth is 3mm.
Advantage of the present utility model and good effect are:
The utility model, for electric system 200MW and following genset, discloses the ultrasonic test block that is suitable for the T-shaped blade root of Site Detection, has ensured detection quality, for potential safety hazard has been eliminated in the safe operation of power plant.
Brief description of the drawings
Fig. 1 is structural front view of the present utility model;
Fig. 2 is the vertical view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the utility model is implemented to be further described, following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.
A kind of T-shaped blade root special-purpose ultrasonic flaw detection test block, as shown in Fig. 1 or 2, this T-shaped flaw detection test block is connected to the lower end of tested blade 2, this T-shaped flaw detection test block comprises rectangular parallelepiped shoulder 3, below the left and right sides of shoulder, one is shaped with left end lower sid strip 1 and the right-hand member lower sid strip 5 identical with width before and after shoulder, below shoulder middle part, one is shaped with support beam 6 vertical with shoulder and that front and back width is identical, be shaped with base 8 vertical with support beam and that front and back width is identical in the lower end of support beam one, the width that is shaped with respectively level at shoulder former and later two interface places crossing with support beam is 1mm, the degree of depth is the line cutting groove 4 of 3mm, the width that is shaped with respectively level at base former and later two interface places crossing with support beam is 1mm, the degree of depth is the line cutting groove 7 of 3mm.
In concrete enforcement of the present utility model, the width that is shaped with respectively level at shoulder former and later two interface places crossing with left side lower sid strip is 0.5mm, the line cutting groove 10 that the degree of depth is 3mm.
In concrete enforcement of the present utility model, the width that is shaped with respectively level at shoulder former and later two interface places crossing with right side lower sid strip is 1.5mm, the line cutting groove 9 that the degree of depth is 3mm.
In concrete enforcement of the present utility model, as shown in Figure 2, described test block adopts No. 20 steel, normalizing treatment, 7～8 grades of grain sizes, surfaceness 1.6 μ m, dimensional tolerence ± 0.05mm. specification is made according to the physical size that will detect blade, when use, the upper surface of shoulder is divided into upper and lower two parts by blade, top sub-probe 11 is placed in the upper right corner of upper surface, and bottom sub-probe 12 is placed in the lower left corner of upper surface, and two probes use compressional wave to simulate flaw detection to test block.
Claims (3)
1. a T-shaped blade root special-purpose ultrasonic flaw detection test block, it is characterized in that: this T-shaped flaw detection test block is connected to the lower end of tested blade, this T-shaped flaw detection test block comprises rectangular parallelepiped shoulder, below the left and right sides of shoulder, one is shaped with left end lower sid strip and the right-hand member lower sid strip identical with width before and after shoulder, below shoulder middle part, one is shaped with support beam vertical with shoulder and that front and back width is identical, be shaped with base vertical with support beam and that front and back width is identical in the lower end of support beam one, the width that is shaped with respectively level at shoulder former and later two interface places crossing with support beam is 1mm, the degree of depth is the line cutting groove of 3mm, the width that is shaped with respectively level at base former and later two interface places crossing with support beam is 1mm, the degree of depth is the line cutting groove of 3mm.
2. T-shaped blade root special-purpose ultrasonic flaw detection test block according to claim 1, is characterized in that: the width that is shaped with respectively level at shoulder former and later two interface places crossing with left side lower sid strip is 0.5mm, the line cutting groove that the degree of depth is 3mm.
3. T-shaped blade root special-purpose ultrasonic flaw detection test block according to claim 1, is characterized in that: the width that is shaped with respectively level at shoulder former and later two interface places crossing with right side lower sid strip is 1.5mm, the line cutting groove that the degree of depth is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420256132.6U CN203849222U (en) | 2014-05-19 | 2014-05-19 | Special ultrasonic flaw detection test block for T-shaped blade roots |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420256132.6U CN203849222U (en) | 2014-05-19 | 2014-05-19 | Special ultrasonic flaw detection test block for T-shaped blade roots |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203849222U true CN203849222U (en) | 2014-09-24 |
Family
ID=51562224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420256132.6U Expired - Lifetime CN203849222U (en) | 2014-05-19 | 2014-05-19 | Special ultrasonic flaw detection test block for T-shaped blade roots |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203849222U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060326A (en) * | 2018-07-19 | 2018-12-21 | 北京航空航天大学 | A kind of turbine blade root position simulation test piece and design method |
| CN109490420A (en) * | 2018-11-13 | 2019-03-19 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | A kind of in-service turbine blade T-type blade root ultrasonic detection method |
-
2014
- 2014-05-19 CN CN201420256132.6U patent/CN203849222U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060326A (en) * | 2018-07-19 | 2018-12-21 | 北京航空航天大学 | A kind of turbine blade root position simulation test piece and design method |
| CN109490420A (en) * | 2018-11-13 | 2019-03-19 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | A kind of in-service turbine blade T-type blade root ultrasonic detection method |
| CN109490420B (en) * | 2018-11-13 | 2021-02-26 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Ultrasonic detection method for T-shaped blade root of in-service steam turbine blade |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203849222U (en) | Special ultrasonic flaw detection test block for T-shaped blade roots | |
| CN203012028U (en) | Non-contact early warning system of high voltage electric power equipment | |
| CN204101481U (en) | A kind of high voltage power transmission and transforming line detector | |
| CN105345785A (en) | Smart toolbox | |
| CN204007948U (en) | Transmission tower base pressure-detecting device | |
| CN205343066U (en) | Intelligent toolbox | |
| CN205833768U (en) | deep well pipeline descaling tool | |
| CN203643561U (en) | Standardized testing device for cross-arm shielding covers | |
| CN103644891B (en) | The measuring method of top of ultrahigh column absolute altitude | |
| CN203479768U (en) | Fold defect reference block | |
| CN206328742U (en) | A kind of static sounding device | |
| CN206321155U (en) | A kind of special female gauge | |
| CN203881715U (en) | Ultrasonic flaw-detecting device for inclined T-type blade root of large-scale turbine | |
| CN203178235U (en) | Card type electromagnetic sensor for detecting in-service turnout point rail | |
| CN202953017U (en) | Rail area construction audible and visual alarm apparatus | |
| CN203772181U (en) | Groove-type steel rail railhead dimension measurement ruler | |
| CN203232000U (en) | Special ultrasonic probe for perforation rivet multifork root | |
| CN203605870U (en) | Length testing tool | |
| CN204536281U (en) | Low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece | |
| CN204395687U (en) | A kind of air filtration processing unit (plant) | |
| CN203964902U (en) | A kind of compressor piston testing apparatus for verticality | |
| CN103913686A (en) | Porcelain bottle protective cover standardization test device | |
| CN204008497U (en) | A kind of semisphere is tested skin equipment | |
| CN103235033A (en) | Card-type electromagnetic sensor for detecting in-service turnout switch rails and detecting method | |
| CN105572555A (en) | Insulating bar test rack for power transmission and distribution line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 300010 Tianjin city Hebei District Wujing Road No. 39 Patentee after: State Grid Corporation of China Patentee after: STATE GRID TIANJIN ELECTRIC POWER Co. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: STATE GRID TIANJIN ELECTRIC POWER Co. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |
|
| CX01 | Expiry of patent term |