CN104227144A - Double-edge double-positioning scraper blade for scraping low-pressure inner cylinder through hole of steam turbine - Google Patents
Double-edge double-positioning scraper blade for scraping low-pressure inner cylinder through hole of steam turbine Download PDFInfo
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- CN104227144A CN104227144A CN201410503205.1A CN201410503205A CN104227144A CN 104227144 A CN104227144 A CN 104227144A CN 201410503205 A CN201410503205 A CN 201410503205A CN 104227144 A CN104227144 A CN 104227144A
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- locating slot
- cutting edge
- hole
- double
- shaving
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Abstract
The invention discloses a double-edge double-positioning scraper blade for scraping a low-pressure inner cylinder through hole of a steam turbine, relates to a scraper blade, and particularly relates to a double-edge double-positioning scraper blade for scraping a low-pressure inner cylinder through hole of a steam turbine. In order to solve the problems that an existing scraper blade needs to be repeatedly positioned, so that the labor-hour is wasted, the work efficiency is low, and an error is easily caused, the double-edge double-positioning scraper blade for scraping the low-pressure inner cylinder through hole of the steam turbine comprises a first cutting edge, a second cutting edge, a first positioning groove, a second positioning groove and a cutter body, wherein the first cutting edge is arranged at the left side part of the upper end of the cutter body; the first positioning groove is formed in the right side part of the upper end surface of the cutter body; a first positioning surface is arranged at the lateral wall of the first positioning groove; the second cutting edge is arranged at the left side part of the lower end of the cutter body; the second positioning groove is formed in the right side part of the lower end surface of the cutter body; a second positioning surface is arranged on the lateral wall of the second positioning groove. The double-edge double-positioning scraper blade is used for scrapping the through hole.
Description
Technical field
The present invention relates to a kind of wing, be specifically related to a kind of for steam turbine low-pressure inner casing through hole shaving twolip two location wing.
Background technology
The shaving of first horizontal flange of steam turbine low-pressure inner casing 16-Φ 56 through hole is to Φ 92, and the shaving of 12-Φ 72 through hole is to Φ 124, need scraping cutter bar be stretched in hole during each hole shaving, again wing to be contained on scraping cutter bar and the position adjusting wing to ensure the size of shaving, after completing, pull down wing, exit scraping cutter bar.The shaving of following each hole repeats above-mentioned steps.Wing need ensure the size of shaving by the distance that kind of calliper wing stretches out, by such as the measurement of said method wing centering is very time-consuming, inefficiency, wing is measured in adjustment repeatedly, is easy to make mistakes, causes shaving dimension overproof.
Summary of the invention
The present invention needs resetting to solve existing wing, and waste man-hour, inefficiency, easily causes the problem of error, and then a kind of steam turbine low-pressure inner casing through hole shaving twolip pair that is used for of proposition locates wing.
The present invention solves the problems of the technologies described above the technical scheme taked to be: the present invention includes the first cutting edge, the second cutting edge, the first locating slot, the second locating slot and cutter hub, the left part of cutter hub upper end is provided with the first cutting edge, the right part of cutter hub upper surface is provided with the first locating slot, the sidewall of the first locating slot is the first locating surface, the left part of cutter hub lower end is provided with the second cutting edge, the right part of cutter hub lower surface is provided with the second locating slot, and the sidewall of the second locating slot is the second locating surface.
The beneficial effect that the present invention compared with prior art comprises is: the disposable location of the present invention, greatly improves the machining accuracy of through hole shaving; Processing gets up to save the measurement plenty of time, and operating efficiency improves 80%; A wing bilateral puts the first edge on a knife or a pair of scissors and can process Φ 92, Φ 124 two size shaving, saves the cost of charp tool.
Accompanying drawing explanation
Fig. 1 is the integrally-built schematic diagram of the present invention; Fig. 2 is front view of the present invention; Fig. 3 is the top view of Fig. 2; Fig. 4 is the left view of Fig. 2.
Detailed description of the invention
Detailed description of the invention one: composition graphs 1 to Fig. 4 illustrates present embodiment, described in present embodiment, a kind of steam turbine low-pressure inner casing through hole shaving twolip two location wing that is used for comprises the first cutting edge 1, second cutting edge 2, first locating slot 3, second locating slot 4 and cutter hub 5, the left part of cutter hub 5 upper end is provided with the first cutting edge 1, the right part of cutter hub 5 upper surface is provided with the first locating slot 3, the sidewall of the first locating slot 3 is the first locating surface 3-1, the left part of cutter hub 5 lower end is provided with the second cutting edge 2, the right part of cutter hub 5 lower surface is provided with the second locating slot 4, the sidewall of the second locating slot 4 is the second locating surface 4-1.
Detailed description of the invention two: composition graphs 1 to Fig. 4 illustrates present embodiment, first locating slot 3 described in present embodiment is identical with the groove width of scraping cutter bar locating slot with the groove width of the second locating slot 4, and the flute length of the first locating slot 3 and the second locating slot 4 is greater than the outside diameter of scraping cutter bar.Other composition is identical with detailed description of the invention one with connected mode.
Detailed description of the invention three: composition graphs 1 to Fig. 4 illustrates present embodiment, the cutting edge tip of the first cutting edge 1 described in present embodiment equals the radius of the first through hole shaving to be processed to the distance of the first locating surface 3-1 and the exradius sum of scraping cutter bar, the cutting edge tip of the second cutting edge 2 equals the radius of the second through hole shaving to be processed to the distance of the second locating surface 4-1 and the exradius sum of scraping cutter bar.Other composition is identical with detailed description of the invention two with connected mode.
Detailed description of the invention four: composition graphs 1 to Fig. 4 illustrates present embodiment, between the bottom land of the first locating surface 3-1 and the first locating slot 3 described in present embodiment, is equipped with chamfering 6 between the second locating surface 4-1 and the bottom land of the second locating slot 4.Other composition is identical with detailed description of the invention one with connected mode.
Operation principle
Cutter hub 5 is respectively equipped with the first cutting edge 1 and the second cutting edge 2, drive the first locating slot 3 in the first cutting edge 1 end face side, drive the second locating slot 4 in the second cutting edge 2 end face side.When processing Φ 92 shaving, by the cylindrical contact location of the first locating surface 3-1 and Φ 92 shaving scraping cutter bar on the first locating slot 3, the cutting edge tip of the first cutting edge 1 equals 46mm to the distance of the first locating surface 3-1 and the exradius sum of Φ 92 shaving scraping cutter bar, this ensure that processing request, add and man-hour the jackscrew on Φ 92 shaving scraping cutter bar top is exited, cutter hub 5 is installed in the locating slot of Φ 92 shaving scraping cutter bar, first cutting edge 1 is vertical with the axis direction of Φ 92 shaving scraping cutter bar to be arranged, first locating slot 3 is oppositely arranged with the jackscrew of Φ 92 shaving scraping cutter bar, the first locating surface 3-1 on first locating slot 3 navigates to the cylindrical of Φ 92 shaving scraping cutter bar, by the offside end face tightening of jackscrew from the first locating slot 3, make the two fastening, accurately can complete the shaving of through hole smoothly, the shaving of every hole all can repeat this operation, do not need to adjust the position measuring wing one by one, save the time of measurement and positioning point, improve efficiency and precision, during processing Φ 124 shaving, cutter hub 5 is turned over turnback, by the cylindrical contact location of the second locating surface 4-1 and Φ 124 shaving scraping cutter bar on the second locating slot 4, the cutting edge tip of the second cutting edge 2 equals 62mm to the distance of the second locating surface 4-1 and the exradius sum of Φ 124 shaving scraping cutter bar, this ensure that processing request, add and man-hour the jackscrew on Φ 124 shaving scraping cutter bar top is exited, cutter hub 5 is installed in the locating slot of Φ 124 shaving scraping cutter bar, second cutting edge 2 is vertical with the axis direction of Φ 124 shaving scraping cutter bar to be arranged, second locating slot 4 is oppositely arranged with the jackscrew of Φ 124 shaving scraping cutter bar, the second locating surface 4-1 on second locating slot 4 navigates to the cylindrical of Φ 124 shaving scraping cutter bar, by the offside end face tightening of jackscrew from the second locating slot 4, make the two fastening, accurately can complete the shaving of through hole smoothly.
Claims (4)
1. locate wing for the shaving of steam turbine low-pressure inner casing through hole with twolip is two for one kind, it is characterized in that: described one is used for steam turbine low-pressure inner casing through hole shaving twolip two location wing and comprises the first cutting edge (1), second cutting edge (2), first locating slot (3), second locating slot (4) and cutter hub (5), the left part of cutter hub (5) upper end is provided with the first cutting edge (1), the right part of cutter hub (5) upper surface is provided with the first locating slot (3), the sidewall of the first locating slot (3) is the first locating surface (3-1), the left part of cutter hub (5) lower end is provided with the second cutting edge (2), the right part of cutter hub (5) lower surface is provided with the second locating slot (4), the sidewall of the second locating slot (4) is the second locating surface (4-1).
2. a kind of steam turbine low-pressure inner casing through hole shaving twolip pair that is used for locates wing according to claim 1, it is characterized in that: described first locating slot (3) is identical with the groove width of scraping cutter bar locating slot with the groove width of the second locating slot (4), the flute length of the first locating slot (3) and the second locating slot (4) is greater than the outside diameter of scraping cutter bar.
3. a kind of steam turbine low-pressure inner casing through hole shaving twolip pair that is used for locates wing according to claim 1, it is characterized in that: the cutting edge tip of described first cutting edge (1) equals the radius of the first through hole shaving to be processed to the distance of the first locating surface (3-1) and the exradius sum of scraping cutter bar, the cutting edge tip of the second cutting edge (2) equals the radius of the second through hole shaving to be processed to the distance of the second locating surface (4-1) and the exradius sum of scraping cutter bar.
4. a kind of steam turbine low-pressure inner casing through hole shaving twolip pair that is used for locates wing according to claim 1, it is characterized in that: between described first locating surface (3-1) and the bottom land of the first locating slot (3), be equipped with chamfering (6) between the second locating surface (4-1) and the bottom land of the second locating slot (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503205.1A CN104227144A (en) | 2014-09-26 | 2014-09-26 | Double-edge double-positioning scraper blade for scraping low-pressure inner cylinder through hole of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503205.1A CN104227144A (en) | 2014-09-26 | 2014-09-26 | Double-edge double-positioning scraper blade for scraping low-pressure inner cylinder through hole of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104227144A true CN104227144A (en) | 2014-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410503205.1A Pending CN104227144A (en) | 2014-09-26 | 2014-09-26 | Double-edge double-positioning scraper blade for scraping low-pressure inner cylinder through hole of steam turbine |
Country Status (1)
| Country | Link |
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| CN (1) | CN104227144A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19619537A1 (en) * | 1996-05-15 | 1997-11-20 | Henning Kurth | Hand scraper with blade and grip |
| CN101053909A (en) * | 2006-03-28 | 2007-10-17 | 乌尔夫·胡勒 | Burring knife for deburring tool |
| JP4647057B2 (en) * | 2000-04-13 | 2011-03-09 | ダイジ▲ェ▼ット工業株式会社 | Pilot hole correction tool |
| CN201979176U (en) * | 2010-12-28 | 2011-09-21 | 东方电气集团东方汽轮机有限公司 | Counterbore scraper |
| CN102580831A (en) * | 2012-03-13 | 2012-07-18 | 云南瑞升烟草技术（集团）有限公司 | Hammer type shearing granulator |
| CN202894504U (en) * | 2012-12-03 | 2013-04-24 | 哈尔滨汽轮机厂有限责任公司 | Self positioning scraping knife |
| CN203171080U (en) * | 2013-04-27 | 2013-09-04 | 哈尔滨汽轮机厂有限责任公司 | Ladder scraper for machining bearing bracket |
| CN203696150U (en) * | 2014-03-03 | 2014-07-09 | 哈尔滨汽轮机厂有限责任公司 | Novel positioning scraper blade for pin hole |
| CN204035701U (en) * | 2014-09-26 | 2014-12-24 | 哈尔滨汽轮机厂有限责任公司 | A kind of steam turbine low-pressure inner casing through hole shaving twolip pair that is used for locates wing |
-
2014
- 2014-09-26 CN CN201410503205.1A patent/CN104227144A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19619537A1 (en) * | 1996-05-15 | 1997-11-20 | Henning Kurth | Hand scraper with blade and grip |
| JP4647057B2 (en) * | 2000-04-13 | 2011-03-09 | ダイジ▲ェ▼ット工業株式会社 | Pilot hole correction tool |
| CN101053909A (en) * | 2006-03-28 | 2007-10-17 | 乌尔夫·胡勒 | Burring knife for deburring tool |
| CN201979176U (en) * | 2010-12-28 | 2011-09-21 | 东方电气集团东方汽轮机有限公司 | Counterbore scraper |
| CN102580831A (en) * | 2012-03-13 | 2012-07-18 | 云南瑞升烟草技术（集团）有限公司 | Hammer type shearing granulator |
| CN202894504U (en) * | 2012-12-03 | 2013-04-24 | 哈尔滨汽轮机厂有限责任公司 | Self positioning scraping knife |
| CN203171080U (en) * | 2013-04-27 | 2013-09-04 | 哈尔滨汽轮机厂有限责任公司 | Ladder scraper for machining bearing bracket |
| CN203696150U (en) * | 2014-03-03 | 2014-07-09 | 哈尔滨汽轮机厂有限责任公司 | Novel positioning scraper blade for pin hole |
| CN204035701U (en) * | 2014-09-26 | 2014-12-24 | 哈尔滨汽轮机厂有限责任公司 | A kind of steam turbine low-pressure inner casing through hole shaving twolip pair that is used for locates wing |
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| PB01 | Publication | ||
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Application publication date: 20141224 |