CN204035701U - A kind of steam turbine low-pressure inner casing through hole shaving twolip pair that is used for locates wing - Google Patents
A kind of steam turbine low-pressure inner casing through hole shaving twolip pair that is used for locates wing Download PDFInfo
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- CN204035701U CN204035701U CN201420560363.6U CN201420560363U CN204035701U CN 204035701 U CN204035701 U CN 204035701U CN 201420560363 U CN201420560363 U CN 201420560363U CN 204035701 U CN204035701 U CN 204035701U
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- locating slot
- cutting edge
- shaving
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- twolip
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Abstract
A kind of steam turbine low-pressure inner casing through hole shaving twolip pair that is used for locates wing.The utility model relates to a kind of wing, is specifically related to a kind of for steam turbine low-pressure inner casing through hole shaving twolip two location wing.The utility model needs resetting for solving existing wing, and waste man-hour, inefficiency, easily causes the problem of error.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, 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 utility model is used for through hole shaving.
Description
Technical field
The utility model relates to a kind of wing, is 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.
Utility model content
The utility model 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 utility model is solve the problems of the technologies described above the technical scheme taked to be: the utility model comprises 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 utility model compared with prior art comprises is: the disposable location of the utility model, 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 utility model; Fig. 2 is front view of the present utility model; 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 |
|---|---|---|---|
| CN201420560363.6U CN204035701U (en) | 2014-09-26 | 2014-09-26 | A kind of steam turbine low-pressure inner casing through hole shaving twolip pair that is used for locates wing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420560363.6U CN204035701U (en) | 2014-09-26 | 2014-09-26 | A kind of steam turbine low-pressure inner casing through hole shaving twolip pair that is used for locates wing |
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| Publication Number | Publication Date |
|---|---|
| CN204035701U true CN204035701U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420560363.6U Active CN204035701U (en) | 2014-09-26 | 2014-09-26 | A kind of steam turbine low-pressure inner casing through hole shaving twolip pair that is used for locates wing |
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| CN (1) | CN204035701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227144A (en) * | 2014-09-26 | 2014-12-24 | 哈尔滨汽轮机厂有限责任公司 | Double-edge double-positioning scraper blade for scraping low-pressure inner cylinder through hole of steam turbine |
-
2014
- 2014-09-26 CN CN201420560363.6U patent/CN204035701U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227144A (en) * | 2014-09-26 | 2014-12-24 | 哈尔滨汽轮机厂有限责任公司 | Double-edge double-positioning scraper blade for scraping low-pressure inner cylinder through hole of steam turbine |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |