CN203572356U - Longitudinal tree type blade root and blade composite measuring tool - Google Patents
Longitudinal tree type blade root and blade composite measuring tool Download PDFInfo
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- CN203572356U CN203572356U CN201320675678.0U CN201320675678U CN203572356U CN 203572356 U CN203572356 U CN 203572356U CN 201320675678 U CN201320675678 U CN 201320675678U CN 203572356 U CN203572356 U CN 203572356U
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- blade root
- blade
- base plate
- positioning seat
- tree type
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- 239000002131 composite material Substances 0.000 title abstract 3
- 150000001875 compounds Chemical class 0.000 claims description 23
- 230000000153 supplemental effect Effects 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 abstract 2
- 238000005259 measurement Methods 0.000 description 15
- 230000002950 deficient Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009021 linear effect Effects 0.000 description 1
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Abstract
A longitudinal tree type blade root and blade composite measuring tool comprises a base plate, a blade root positioning seat, a blade root pressing mechanism, and a blade crown supporting seat, the blade root positioning seat and the blade crown supporting seat are respectively arranged on two ends of the base plate; the blade root pressing mechanism is fixedly arranged on the external side of the blade root positioning seat of the base plate, a blade root positioning groove, which is matched with the contour of the blade longitudinal tree type blade root, is arranged on one side facing the blade crown supporting seat of the blade root positioning seat; a through hole, which is communicated with the blade root positioning groove, is arranged on one side facing the blade root pressing mechanism of the blade root positioning seat; the blade root pressing mechanism is inserted into the through hole and tightly presses the end surfaces of blade root and blade placed on the blade root positioning groove; a plurality of cross-section blocking blocks, which are used to position a measuring sample plate, is arranged between the blade root positioning seat and the blade crown supporting seat on the base plate, and the cross-section blocking blocks are orderly arranged along the length direction of the base plate. The longitudinal tree type blade root and blade composite measuring tool can carry out all complicated size measuring operation on steam turbine blades, and has the characteristics of simple structure, convenient operation, precise measure result, high measure efficiency, low measure cost, reliability, and practicability.
Description
Technical field
The utility model relates to blade measurer, specifically the compound measurer of a kind of vertical tree type blade root blade.
Background technology
Blade root, blade, integral shroud and lacing wire boss that turbine blade mainly consists of complicated molded line form, and how it measures each type profile tolerance of a surface, position dimension etc. in actual processing process, the technical bottleneck that has become turbine Blade Machining to produce.At present, the conventional criteria measurer that turbine blade is conventional can only be used for measuring simple size, such as length, width, the degree of depth, height etc.
For the measurement of complicated turbine Blade Machining process, mainly rely on three-coordinates measuring machine to detect, its main detection is: the blade molded line profile tolerance of blade, position degree, maximum ga(u)ge; Interior, the back of the body camber line profile degree of integral shroud; Interior, the back of the body radial thickness and the radial angle of blade root and integral shroud.Because the detection of three-coordinates measuring machine is gone out complicated process of measurement and set up benchmark according to complicated blade processing Edition Contains by technician, then to adopt point, calculating, to export three-dimensional coordinates measurement result than reciprocity a series of operation.Although it almost can complete the measurement operation of all complicated sizes of turbine blade, but it not only requires technician to have very high professional standards, and technician's operation easier is very large, have the defects such as measurement is with high costs, process of measurement editor complexity, technician's workload is large, measurement efficiency is low, this has directly affected the productivity effect of turbine blade manufacturer.
Summary of the invention
The purpose of this utility model is: for above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, easy to operate, measure efficiency high, measure that cost is low, the compound measurer of vertical tree type blade root blade that meets all complicated dimensional measurements of turbine blade.
The technical solution adopted in the utility model is: the compound measurer of a kind of vertical tree type blade root blade, described compound measurer comprises base plate, blade root positioning seat, blade root jacking mechanism and integral shroud supporting seat, blade root positioning seat and integral shroud supporting seat are separately fixed at the two ends of base plate, blade root jacking mechanism is fixed on the base plate in blade root positioning seat outside, at blade root positioning seat, towards a side of integral shroud supporting seat, be provided with the blade root location race that is matched with blade vertical tree type blade root profile, and be provided with blade root and locate the perforation that race communicates towards a side of blade root jacking mechanism at blade root positioning seat, blade root jacking mechanism stretches into perforation the blade root end face of placing on the race of blade root location is held out against, base plate between described blade root positioning seat and integral shroud supporting seat is provided with multiple cross section gear blocks for location survey model, and these cross section gear blocks are arranged successively along the length direction of base plate.
Further, be fixed with blade root steam output side locating piece on described base plate, this blade root steam output side locating piece has the locating surface of the blade root steam output side location to blade.
Further, locating surface, cross section gear pin and the integral shroud steam output side to blade that described integral shroud supporting seat is provided with integral shroud sample plate positions the supplemental support pin of support.
Further, the end face both sides of described cross section gear block are respectively equipped with cross section register pin, and the cross section register pin of gear block both sides, cross section is on same straight line in corresponding between two mode.
Further, gear block corresponding blade profile position dimension on base plate in described cross section requires to be arranged side by side.
Further, described blade root jacking mechanism mainly by blade root, holds out against supporting seat and fastening screw forms, blade root holds out against supporting seat and is fixed on base plate, blade root, hold out against and on supporting seat, be provided with the threaded hole corresponding with perforation on blade root positioning seat, fastening screw is assemblied in blade root with thread fiting mode and holds out against in the threaded hole on supporting seat.
Further, described blade root jacking mechanism also has assister bar, and this assister bar is connected to the end of fastening screw away from blade root positioning seat.
Further, described fastening screw is connected with blade root withstanding tight block near the end of blade root positioning seat, and the external diameter of this blade root withstanding tight block is less than the punch inside diameter on blade root positioning seat.
Further, described base plate is provided with multiple suspension ring.
The beneficial effects of the utility model are: above-mentioned compound measurer designs with vertical tree type blade root blade for the steam turbine of molded line complexity specially, its can Measurement accuracy the blade root of complexity pass through mutually face, blade molded line, blade lacing wire boss fitting surface, integral shroud and pass through mutually face, integral shroud molded line, leaf top overall length etc. content, meet the measurement operation of all complicated sizes of turbine blade completely, especially superhuge vertical tree type blade root blade; It has simple in structure, easy to operate, measurement result accurately, measure efficiency high, measure the features such as cost is low, reliability is high, practical, be conducive to significantly improve the productivity effect of turbine blade manufacturer.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the right view of Fig. 1.
Fig. 4 is the left view of Fig. 1.
Code name implication in figure: 1-assister bar; 2-fastening screw; 3-blade root holds out against supporting seat; 4-blade root positioning seat; 5-blade root steam output side locating piece; 6-cross section gear block; 7-cross section gear pin; 8-base plate; 9-integral shroud overall length model; 10-suspension ring; 11-integral shroud supporting seat; 12-back of the body arc boss model; 13-back of the body arc section type line tempte; 14-blade root withstanding tight block; 15-inner arc blade root is passed through face model mutually; 16-inner arc section type line tempte; 17-inner arc boss model; 18-inner arc integral shroud molded line model; 19-back of the body arc integral shroud molded line model; 20-integral shroud passes through face model mutually; 21-back of the body arc blade root is passed through face model mutually; 22-blade root location race; 23-perforation; 24-supplemental support pin.
Embodiment
Referring to Fig. 1 to Fig. 4: the utility model comprises base plate 8, blade root positioning seat 4, blade root jacking mechanism and integral shroud supporting seat 11.
Wherein, base plate 8 is rectangle structure.At the diverse location of base plate 8 end faces, by fixtures such as bolt, pins, blade root positioning seat 4, blade root jacking mechanism and integral shroud supporting seat 11 is fixing respectively, concrete fixed position is: blade root positioning seat 4 and integral shroud supporting seat 11 are separately fixed at the two ends of base plate 8, base plate 8 ends of blade root positioning seat 4 these one end are also reserved with the fixed position of blade root jacking mechanism, and blade root jacking mechanism is fixed on the base plate 8 in blade root positioning seat 4 outsides.Base plate 8 between blade root positioning seat 4 and integral shroud supporting seat 11 is provided with and multiplely for location survey model, (includes but not limited to: inner arc blade root is passed through face model 15 mutually, back of the body arc blade root is passed through face model 21 mutually, inner arc section type line tempte 16, back of the body arc section type line tempte 13, inner arc boss model 17, back of the body arc boss model 12) cross section gear block 6, these cross section gear blocks 6 require to be arranged side by side along the length direction of base plate 8 successively corresponding blade profile position dimension, be the both sides that the two ends of these cross section gear blocks 6 are in base plate 8, be crisscross with the arranged direction of blade, aforementioned cross section gear block 6 at least should comprise that to pass through mutually face corresponding with the blade root of blade, corresponding with the cross section molded line of blade, corresponding with the boss of blade, and they pass through bolt, the fixtures such as pin are fixed on relevant position, the end face both sides of aforementioned each cross section gear block 6 are respectively equipped with many groups cross section register pin 7, the cross section register pin 7 of cross section gear block 6 both sides is on same straight line in corresponding between two mode, and the cross section register pin 7 on same cross section gear block 6 forms many positioning linears.On base plate 8, be also fixed with blade root steam output side locating piece 5, this blade root steam output side locating piece 5 is fixed on blade root positioning seat 4 race correspondence positions by bolt and pin, and blade root steam output side locating piece 5 has the locating surface of the blade root steam output side location to blade.In addition, at four angles of base plate 8, be also provided with four suspension ring 10, for lifting, move.
Blade root positioning seat 4 is provided with the blade root location race 22 that is matched with blade vertical tree type blade root profile towards a side of integral shroud supporting seat 11, and at blade root positioning seat 4, towards a side of blade root jacking mechanism, being provided with the perforation 23 communicating with blade root location race 22, blade root jacking mechanism stretches into the blade root end face of placing on 23 pairs of blade root location races 22 of perforation and holds out against.
Blade root jacking mechanism mainly holds out against supporting seat 3, fastening screw 2 and assister bar 1 by blade root and forms.Blade root holds out against supporting seat 3 and is fixed on base plate 8 by bolt and pin, blade root, holds out against and on supporting seat 3, is provided with the threaded hole corresponding with perforation 23 on blade root positioning seat 4.Fastening screw 2 is assemblied in blade root with thread fiting mode and holds out against in the threaded hole on supporting seat 3, at fastening screw 2, near the end of blade root positioning seat 4, is connected with blade root withstanding tight block 14, and the external diameter of this blade root withstanding tight block 14 is less than perforation 23 internal diameters on blade root positioning seat 4.Assister bar 1 is connected to the end of fastening screw 2 away from blade root positioning seat 4, by the operation to assister bar 1, fastening screw 2 and blade root is held out against screw thread feeding occurs between supporting seat 3, and then promote blade root withstanding tight block 14 and hold out against the blade root end face of blade.
Locating surface, cross section gear pin and the integral shroud steam output side to blade that integral shroud supporting seat 11 is provided with integral shroud sample plate (including but not limited to: inner arc integral shroud molded line model 18, back of the body arc integral shroud molded line model 19, integral shroud overall length model 9, integral shroud pass through face model 20 mutually) positions the supplemental support pin 24 of support.
Each sample plate of the present utility model is the imitated structure at the each position of rule blade.
Using method of the present utility model is: pack vertical tree type blade root blade correspondence into compound measurer, require the steam output side of blade downward, blade root is close to the locating surface of vertical tree type blade root location race 22, the blade root steam output side of blade is close to the locating surface of blade root steam output side locating piece 5, the integral shroud steam output side of supplemental support pin 24 support blades; By reversing assister bar 1, make blade root withstanding tight block 14 on fastening screw 2 hold out against the blade root end face of blade; After blades installation holds out against, check blade root, the steam output side location situation of blade, guarantee that they are close to corresponding locating surface.After blades installation is good, start to measure: during measurement, inner arc blade root is passed through mutually face model 15 and passes through mutually with the back of the body arc blade root cross section gear pin 7 that face model 21 packs and be close to cross section gear block 6 corresponding on compound measurer and correspondence into, then relatively in the blade root of blade, back of the body arc passes through the deviation of facial contour position and corresponding model outline position mutually, according to technological requirement, deviation within the scope of technological requirement, the blade root of blade to pass through mutually the each size of face qualified, not within the scope of technological requirement, defective; Integral shroud passes through mutually face model 20 and packs and be close to the locating surface on integral shroud supporting seat 11 and corresponding cross section gear pin on compound measurer into, then relatively the integral shroud of blade passes through facial contour position and integral shroud and passes through mutually the deviation of face model 20 outline position mutually, according to technological requirement, deviation is within the scope of technological requirement, to pass through mutually the each size of face qualified for the integral shroud of blade, not within the scope of technological requirement, defective; Inner arc boss model 17 and back of the body arc boss model 12 pack and are close to cross section gear block 6 corresponding on compound measurer and corresponding cross section gear pin 7 into, then relatively interior, the back of the body arc boss of blade are measured the gap between face and corresponding model measurement face, according to technological requirement, deviation is within the scope of technological requirement, the each size of the boss of blade is qualified, not within the scope of technological requirement, defective; Inner arc section type line tempte 16 and back of the body arc section type line tempte 13 pack and are close to cross section gear block 6 corresponding on compound measurer and corresponding cross section gear pin 7 into, then relatively interior, the back of the body arc cross section molded line of blade and the profile gap deviation of corresponding model, according to technological requirement, deviation is within the scope of technological requirement, section type line profile size and the position dimension of blade are qualified, not within the scope of technological requirement, defective; Inner arc integral shroud molded line model 18 and back of the body arc integral shroud molded line model 19 pack and are close to the locating surface on integral shroud supporting seat 11 and corresponding cross section gear pin on compound measurer into, then relatively in the integral shroud of blade, the gap deviation between back of the body camber line profile and corresponding model molded line profile, according to technological requirement, deviation is within the scope of technological requirement, the each size of integral shroud molded line profile of blade is qualified, not within the scope of technological requirement, defective; Leaf top overall length model 9 packs and is close to the locating surface on integral shroud supporting seat 11 and corresponding cross section gear pin on compound measurer into, then compare the leaf top measurement face of blade and the measurement face gap deviation of leaf top overall length model 9, according to technological requirement, deviation is within the scope of technological requirement, the leaf top each size of overall length of blade is qualified, not within the scope of technological requirement, defective.
Claims (9)
1. the compound measurer of vertical tree type blade root blade, it is characterized in that: described compound measurer comprises base plate (8), blade root positioning seat (4), blade root jacking mechanism and integral shroud supporting seat (11), blade root positioning seat (4) and integral shroud supporting seat (11) are separately fixed at the two ends of base plate (8), blade root jacking mechanism is fixed on the base plate (8) in blade root positioning seat (4) outside, at blade root positioning seat (4), towards a side of integral shroud supporting seat (11), be provided with the blade root location race (22) that is matched with blade vertical tree type blade root profile, and be provided with blade root and locate the perforation (23) that race (22) communicates towards a side of blade root jacking mechanism at blade root positioning seat (4), blade root jacking mechanism stretches into perforation (23) the upper blade root end face of placing of blade root location race (22) is held out against, base plate (8) between described blade root positioning seat (4) and integral shroud supporting seat (11) is provided with multiple cross section gear blocks (6) for location survey model, and these cross section gear blocks (6) are arranged successively along the length direction of base plate (8).
2. the compound measurer of vertical tree type blade root blade according to claim 1, is characterized in that: on described base plate (8), be fixed with blade root steam output side locating piece (5), this blade root steam output side locating piece (5) has the locating surface of the blade root steam output side location to blade.
3. the compound measurer of vertical tree type blade root blade according to claim 1, is characterized in that: locating surface, cross section gear pin and the integral shroud steam output side to blade that described integral shroud supporting seat (11) is provided with integral shroud sample plate positions the supplemental support pin (24) of support.
4. the compound measurer of vertical tree type blade root blade according to claim 1, it is characterized in that: the end face both sides of described cross section gear block (6) are respectively equipped with cross section register pin (7), the cross section register pin (7) of cross section gear block (6) both sides is on same straight line in corresponding between two mode.
5. according to the compound measurer of vertical tree type blade root blade described in claim 1 or 4, it is characterized in that: described cross section gear block (6) requires to be arranged side by side at the upper corresponding blade profile position dimension of base plate (8).
6. the compound measurer of vertical tree type blade root blade according to claim 1, it is characterized in that: described blade root jacking mechanism mainly by blade root, holds out against supporting seat (3) and fastening screw (2) forms, blade root holds out against supporting seat (3) and is fixed on base plate (8), blade root, hold out against and on supporting seat (3), be provided with the threaded hole corresponding with perforation (23) on blade root positioning seat (4), fastening screw (2) is assemblied in blade root with thread fiting mode and holds out against in the threaded hole on supporting seat (3).
7. the compound measurer of vertical tree type blade root blade according to claim 6, is characterized in that: described blade root jacking mechanism also has assister bar (1), this assister bar (1) is connected to the end of fastening screw (2) away from blade root positioning seat (4).
8. the compound measurer of vertical tree type blade root blade according to claim 6, it is characterized in that: described fastening screw (2) is connected with blade root withstanding tight block (14) near the end of blade root positioning seat (4), and the external diameter of this blade root withstanding tight block (14) is less than perforation (23) internal diameter on blade root positioning seat (4).
9. according to the compound measurer of vertical tree type blade root blade described in claim 1 or 2 or 6, it is characterized in that: described base plate (8) is provided with multiple suspension ring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320675678.0U CN203572356U (en) | 2013-10-30 | 2013-10-30 | Longitudinal tree type blade root and blade composite measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320675678.0U CN203572356U (en) | 2013-10-30 | 2013-10-30 | Longitudinal tree type blade root and blade composite measuring tool |
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| Publication Number | Publication Date |
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| CN203572356U true CN203572356U (en) | 2014-04-30 |
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| CN201320675678.0U Expired - Lifetime CN203572356U (en) | 2013-10-30 | 2013-10-30 | Longitudinal tree type blade root and blade composite measuring tool |
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| CN (1) | CN203572356U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222691A (en) * | 2015-08-26 | 2016-01-06 | 哈尔滨汽轮机厂有限责任公司 | A kind of hydraulic pressure curved surface clamped-in style blade alig nment device and school type method |
| CN105444652A (en) * | 2015-11-30 | 2016-03-30 | 保定风帆精密铸造制品有限公司 | Detection method for blade of jet propulsion vane |
| CN106370084A (en) * | 2016-10-21 | 2017-02-01 | 无锡飞而康精铸工程有限公司 | Blade height detection apparatus for multi-connected blade of aero-engine |
| CN109186991A (en) * | 2018-10-25 | 2019-01-11 | 四川绵竹鑫坤机械制造有限责任公司 | Vertical tree type blade root automatic Fitting and matched method |
| CN109443134A (en) * | 2018-12-10 | 2019-03-08 | 无锡透平叶片有限公司 | For measuring the device of turbine blade root two sides boss |
| CN111043933A (en) * | 2019-12-31 | 2020-04-21 | 中冶重工（唐山）有限公司 | Pump valve forging inspection device and method |
| CN114322698A (en) * | 2021-12-21 | 2022-04-12 | 哈尔滨汽轮机厂有限责任公司 | Fir-type blade root blade profile measurement fixing clamp |
-
2013
- 2013-10-30 CN CN201320675678.0U patent/CN203572356U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222691A (en) * | 2015-08-26 | 2016-01-06 | 哈尔滨汽轮机厂有限责任公司 | A kind of hydraulic pressure curved surface clamped-in style blade alig nment device and school type method |
| CN105222691B (en) * | 2015-08-26 | 2017-12-01 | 哈尔滨汽轮机厂有限责任公司 | A kind of hydraulic pressure curved surface clamped-in style blade alig nment device and school type method |
| CN105444652A (en) * | 2015-11-30 | 2016-03-30 | 保定风帆精密铸造制品有限公司 | Detection method for blade of jet propulsion vane |
| CN106370084A (en) * | 2016-10-21 | 2017-02-01 | 无锡飞而康精铸工程有限公司 | Blade height detection apparatus for multi-connected blade of aero-engine |
| CN109186991A (en) * | 2018-10-25 | 2019-01-11 | 四川绵竹鑫坤机械制造有限责任公司 | Vertical tree type blade root automatic Fitting and matched method |
| CN109186991B (en) * | 2018-10-25 | 2020-07-14 | 四川绵竹鑫坤机械制造有限责任公司 | Method for automatically fitting and matching longitudinal tree type blade root |
| CN109443134A (en) * | 2018-12-10 | 2019-03-08 | 无锡透平叶片有限公司 | For measuring the device of turbine blade root two sides boss |
| CN111043933A (en) * | 2019-12-31 | 2020-04-21 | 中冶重工（唐山）有限公司 | Pump valve forging inspection device and method |
| CN114322698A (en) * | 2021-12-21 | 2022-04-12 | 哈尔滨汽轮机厂有限责任公司 | Fir-type blade root blade profile measurement fixing clamp |
| CN114322698B (en) * | 2021-12-21 | 2023-07-25 | 哈尔滨汽轮机厂有限责任公司 | Fir-type blade root blade molded line measuring and fixing clamp |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |