CN203928954U - The general comprehensive measuring tool of a kind of blade with pinned root - Google Patents
The general comprehensive measuring tool of a kind of blade with pinned root Download PDFInfo
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- CN203928954U CN203928954U CN201420357587.7U CN201420357587U CN203928954U CN 203928954 U CN203928954 U CN 203928954U CN 201420357587 U CN201420357587 U CN 201420357587U CN 203928954 U CN203928954 U CN 203928954U
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Abstract
The utility model discloses a kind of general comprehensive measuring tool that blade with pinned root detects that is applicable to, belong to turbine blade measurement mechanism technical field; Described comprehensive measuring tool comprises framework, positioning tool and cross section locating piece, and positioning tool provides blade root tool back plane locating surface, blade root steam output side locating surface and three locating surfaces of the large shoulder face of blade root locating surface, realizes the accurate location and installation of fork type blade root; The general comprehensive measuring tool of blade with pinned root of the present utility model is skillfully constructed, reasonable in design, the complexity of the turbine blade of ultra-large type fork type blade root can be measured to content and measure with simple metering system; By design for disassembly, make the versatility of measurer good, a plurality of element replaceables, for the measurement of different leaves, change the setting element to use, can save more than 50% measurer cost; Applicable convenient in detecting simultaneously, needn't manual setting, metering repeatedly, key element designs separately, makes to have advantages of that measuring accuracy is high.
Description
Technical field
The utility model relates to a kind of blade test measuring device, and particularly a kind of general comprehensive measuring tool that is applicable to blade with pinned root detection, belongs to turbine blade measurement mechanism technical field.
Background technology
Turbine blade is to consist of complicated blade root, the complex-curved blade profile forming, complicated integral shroud molded line.Turbine blade is in reality processing, and MEASUREMENT OF STEAM turbine blade machined surface profile degree, position degree size have become the bottleneck of turbine Blade Machining.
At present, conventional criteria measurer can only MEASUREMENT OF STEAM turbine blade simple dimensions (length, width, the degree of depth, highly), complicated turbine Blade Machining process is measured the main three-coordinates measuring machine that relies on and is detected, and three-coordinates measuring machine mainly detects: blade blade molded line profile tolerance, position degree, maximum ga(u)ge; Back of the body camber line profile degree in integral shroud.Measure complicated blade dimensions and bring very large difficulty also to the technician of three-coordinates measuring machine, three-dimensional technician will be according to the process of measurement of complicated blade processing Edition Contains complexity, set up benchmark, adopt point, calculating, comparison, output three-dimensional coordinates measurement result.Although three-coordinates measuring machine almost can complete the measurement of all complicated sizes of turbine blade, but three-dimensional testing cost is very high, editor's process of measurement is complicated, detection efficiency is very low, the distortion needs that simultaneously blade causes due to the release of stress in process school type repeatedly meets matching requirements, school type process is that a processing repeats, without the job operation of clear and definite rule, this process is to use three-dimensional to detect unaffordable cost.
The working (machining) efficiency of size detection effectiveness affects blade in complicated large-size steam turbine blade batch machining process, the manufacturing cost of blade of having measured cost impact.Yet present steam turbine Market competition, component parts for assembly of a machine is few, wide in variety becomes a kind of new market mode, expedites the emergence of so a kind ofly can detect the detection means that conventional means cannot detect, processing cost is low and become a kind of inevitable.
Summary of the invention
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, a kind of measurer detecting for turbine blade is provided, particularly a kind ofly be applicable to the general comprehensive measuring tool that blade with pinned root detects, to improve the detection efficiency of blade with pinned root and the accuracy of detection, in addition, this general comprehensive measuring tool, when detecting a plurality of sizes of blade, also has advantages of wide adaptability, to effectively reduce the cost of manufacture of measurer and the testing cost of blade.
The technical solution adopted in the utility model is as follows:
The general comprehensive measuring tool of blade with pinned root, comprises framework, positioning tool and two cross section locating pieces, and described positioning tool is arranged at the bottom of framework, and described cross section locating piece is relatively arranged on two inner sides of framework support body; Described positioning tool comprises tool back plane locating piece, steam output side locating piece and steam admission side withstanding tight block, described steam output side locating piece and steam admission side withstanding tight block are relatively arranged on the side, location of tool back plane locating piece, on steam output side locating piece, be provided with the large shoulder face of blade root steam output side locating surface and blade root locating surface, on steam admission side withstanding tight block, be provided with blade root large shoulder face locating surface and steam admission side and tighten screw, the opposition position of side, tool back plane locating piece location is provided with interior sagittal plane housing screw; Described cross section locating piece is provided with steam passage molded line model mounting groove and integral shroud molded line model mounting groove along short transverse.Described positioning tool is for the installation of blade and blade root, it provides blade root tool back plane locating surface, blade root steam output side locating surface and three locating surfaces of the large shoulder face of blade root locating surface, realize the accurate location and installation of fork type blade root, and by steam admission side, tighten screw and interior sagittal plane housing screw and realize blades installation and fix.The steam passage molded line model mounting groove arranging on the locating piece of described cross section is for installing the steam passage molded line model suitable with standard blade with pinned root steam passage profile, by relatively and observe everywhere the situation of light leak and detect blade steam passage profile and whether meet processing request, steam passage molded line model comprises steam passage inner arc molded line model and back arc of gas passageway molded line model, steam passage inner arc molded line model and the back arc of gas passageway molded line model of same detection position match, at upper several steam passage molded line model mounting grooves that need to arrange according to detection sectional plane of cross section locating piece height (being the length direction of blade steam passage molded line), meet the needs that detect.Described integral shroud molded line model mounting groove is positioned at the top of cross section locating piece, be used for installing integral shroud molded line model, the integral shroud molded line of integral shroud molded line model and rule blade is suitable, by relatively and the situation of light leak everywhere of the observing integral shroud molded line that detects blade whether meet processing request.
Further, described positioning tool is connected removably with framework.This design makes to share same framework according to blade with pinned root of the same type but different size, and as required positioning tool is changed, and has saved the equipment investment of measurer.
Further, the bottom of described framework is provided with frock locating piece is installed, and described frock is installed the two adjacent lateral location that locating piece is matched with positioning tool.Described frock is installed the bottom that locating piece is arranged at framework, is that to take two adjacent side of positioning tool be positioning datum, the quick location and installation while being convenient for changing positioning tool.
Further, the pressing end of described interior sagittal plane housing screw is provided with pressing plate, and described pressing plate is rotationally connected with interior sagittal plane housing screw end.Described pressing plate has guaranteed that it carries out face with the interior sagittal plane of blade root and contacts, and guarantees the stability of installing.
Further, described cross section locating piece is connected removably with framework.Identical with removably connecting of positioning tool, make to change flexibly cross section locating piece, realize different size blade and utilize same framework to detect.
Further, on described framework, be provided with hole for hoist.Due to the detection of this measurer for large-scale blade with pinned root, hole for hoist design facilitates the dress of measurer to hang and transport.
Further, the upper surface of described tool back plane locating piece, steam output side locating piece and steam admission side withstanding tight block is to pass through mutually the consistent globoidal structure of face with the blade root of standard blade with pinned root.The globoidal structure of tool back plane locating piece, steam output side locating piece and steam admission side withstanding tight block upper surface passes through face mutually with the blade root that detects blade compares, the blade root that judges blade is passed through mutually face processing and whether meets standard, further by same checkout equipment, has realized Function detection.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are: the general comprehensive measuring tool of described blade with pinned root is skillfully constructed, reasonable in design, the complexity of the turbine blade of ultra-large type fork type blade root can be measured to content (blade root is passed through face, blade molded line, integral shroud molded line mutually) and measure with simple metering system; By design for disassembly, make the versatility of measurer good, a plurality of element replaceables, for the measurement of different leaves, change the setting element to use, can save more than 50% measurer cost; Applicable convenient in detecting simultaneously, needn't manual setting, metering repeatedly, key element designs separately, makes to have advantages of that measuring accuracy is high.
Accompanying drawing explanation
Fig. 1 is the front view of the general comprehensive measuring tool of the utility model blade with pinned root;
Fig. 2 is the vertical view of the utility model Fig. 1;
Fig. 3 is the front view of the positioning tool of the utility model Fig. 1;
Fig. 4 is the vertical view of the utility model Fig. 3;
Fig. 5 is the left view of the utility model Fig. 3;
Fig. 6 is the A point enlarged diagram in the utility model Fig. 1;
Fig. 7 is schematic diagram after positioning tool clamping detection blade of the present utility model.
Mark in figure: 1-framework, 2-positioning tool, 3-cross section locating piece, 4-tool back plane locating piece, 5-steam output side locating piece, 6-steam admission side withstanding tight block, 7-blade root steam output side locating surface, the large shoulder face of 8-blade root locating surface, 9-steam admission side are tightened sagittal plane housing screw in screw, 10-, 11-pressing plate, 12-steam passage molded line model mounting groove, 13-integral shroud molded line model mounting groove, 14-frock and locating piece, 15-hole for hoist, 16-are installed are detected blade.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment
The general comprehensive measuring tool of blade with pinned root of the present utility model, its structural representation as depicted in figs. 1 and 2, comprises framework 1, positioning tool 2 and two cross section locating pieces 3, framework 1 is gantry frame structure, on the crossbeam two ends at top, is provided with hole for hoist 15.
Described positioning tool 2 is arranged at the bottom of framework 1, positioning tool 2 structures are as Fig. 3, shown in Fig. 4 and Fig. 5, comprise tool back plane locating piece 4, steam output side locating piece 5 and steam admission side withstanding tight block 6, described steam output side locating piece 5 and steam admission side withstanding tight block 6 are located the side, location that is relatively arranged on tool back plane locating piece 4 by shank, on described steam output side locating piece 5, be provided with blade root steam output side locating surface 7 and the large shoulder face of blade root locating surface 8, on steam admission side withstanding tight block 6, be provided with the large shoulder face of blade root locating surface 8 and steam admission side and tighten screw 9, described tool back plane locating piece 4, the upper surface of steam output side locating piece 5 and steam admission side withstanding tight block 6 is to pass through mutually the consistent globoidal structure of face with the blade root of standard blade with pinned root, make to pass through mutually for detection of the blade root of blade the measurement of comparison of face.
Tool back plane locating piece 4 bottoms are provided with mounting base, and the mounting base place of the opposition position of tool back plane locating piece 4 sides, location is provided with interior sagittal plane housing screw 10, and interior sagittal plane housing screw 10 arranges as mounting blocks by interior sagittal plane compact heap.Tool back plane locating piece 4, steam output side locating piece 5, steam admission side withstanding tight block 6 and interior sagittal plane housing screw 10 form the positioning tool 2 of standalone module structure, and positioning tool 2 adopts dismountable mode to be connected with framework 1 by mounting base.The tool back plane locating piece 4 of positioning tool 2, steam output side locating piece 5 and steam admission side withstanding tight block 6 can be parts independently, also can be one-piece construction, what in the present embodiment, adopt is each parts independent design, and for the accuracy that guarantees to install, each parts locates by straight pin that also attachment screw is fastening.
Further, the pressing end of described interior sagittal plane housing screw 10 is provided with pressing plate 11, and described pressing plate 11 is rotationally connected with interior sagittal plane housing screw 10 ends, the reliability of sagittal plane pressing in 10 pairs of blade roots of sagittal plane housing screw in guaranteeing.
Just the property of location side while simultaneously changing positioning tool 2 in order to guarantee to removably connect, the bottom of framework 1 is also provided with frock locating piece 14 is installed, described frock is installed the two adjacent lateral location that locating piece 14 is matched with positioning tool 2, as shown in Figure 2, and for the quick location and installation of positioning tool 2.
Described cross section locating piece 3 is relatively arranged on two inner sides of framework 1 support body two columns, cross section locating piece 3 is provided with array (needing detection position number to determine flexibly according to blade) steam passage molded line model mounting groove 12 along short transverse, and the top position of cross section locating piece 3 is also provided with integral shroud molded line model mounting groove 13.Framework 1 sidewall is by arranging vertical T-shaped groove, described cross section locating piece 3 is adaptive with framework 1T type groove, and connect removably, to facilitate in different size blade detects, change cross section locating piece 3, fast and accurate for positioning when T-shaped groove design makes to change the outfit cross section locating piece 3.
Described positioning tool 2 is for the installation of blade and blade root, it provides blade root tool back plane locating surface, blade root steam output side locating surface 7 and 8 three locating surfaces of the large shoulder face of blade root locating surface, realize the accurate location and installation of fork type blade root, and by steam admission side, tighten screw 9 and interior sagittal plane housing screw 10 and realize blades installation and fix, after its installation and measuring blade 16 as shown in Figure 7, the steam passage molded line model mounting groove 12 arranging on described cross section locating piece 3 is for installing the steam passage molded line model suitable with standard blade with pinned root steam passage profile, by relatively and observe everywhere the situation of light leak and detect blade steam passage profile and whether meet processing request, steam passage molded line model comprises steam passage inner arc molded line model and back arc of gas passageway molded line model, steam passage inner arc molded line model and the back arc of gas passageway molded line model of same detection position match, at upper several steam passage molded line model mounting grooves 12 that need to arrange according to detection sectional plane of cross section locating piece 3 height (being the length direction of blade steam passage molded line), meet the needs that detect, described integral shroud molded line model mounting groove 13 is positioned at the top of cross section locating piece, be used for installing integral shroud molded line model, the integral shroud molded line of integral shroud molded line model and rule blade is suitable, by relatively and the situation of light leak everywhere of the observing integral shroud molded line that detects blade whether meet processing request, steam passage molded line model, integral shroud molded line model do not illustrate in the drawings, but can't cause puzzlement to those skilled in the art's understanding.
The general comprehensive measuring tool installation of blade with pinned root of the present utility model and using method are as follows: 1, the cross section locating piece 3 of profile is packed in general framework 1, use screws clamp; 2, the positioning tool of blade root 2 is packed in general framework 1, with frock, locating piece 14 location are installed, installation is tightened screw and is fixed; 3, pack into and detect blade 16, tighten steam admission side and tighten screw 9 and interior sagittal plane housing screw 10 with fixed installation blade root, whether whether each locating surface that checks blade root be adjacent to 4 installation locating surfaces of positioning tool 2 with blade steam output side face, if there is blade locating surface not to be close to positioning tool locating surface, must readjust installation, until all locating surfaces of blade are all fitted completely with measurer locating surface; 4, blades installation good after, start to measure, during measurement, steam passage molded line model, integral shroud molded line model are packed in the corresponding groove in cross section locating piece 3, observe light leak everywhere, according to technological requirement, each size of blade is qualified within the scope of technological requirement for light leak, not defective within the scope of technological requirement; 5, during replacement of products, retain general framework 1, change cross section locating piece 3, positioning tool 2 and change as required cross section locating piece 3, then adopting corresponding steam passage molded line model and integral shroud molded line model, according to above-mentioned requirements, continue to measure.
The general comprehensive measuring tool of blade with pinned root of the present utility model is skillfully constructed, reasonable in design, the complexity of the turbine blade of ultra-large type fork type blade root can be measured to content (blade root is passed through face, blade molded line, integral shroud molded line mutually) and measure with simple metering system; By design for disassembly, make the versatility of measurer good, a plurality of element replaceables, for the measurement of different leaves, change the setting element to use, can save more than 50% measurer cost; Applicable convenient in detecting simultaneously, needn't manual setting, metering repeatedly, key element designs separately, makes to have advantages of that measuring accuracy is high.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. the general comprehensive measuring tool of blade with pinned root, it is characterized in that: comprise framework (1), positioning tool (2) and two cross section locating pieces (3), described positioning tool (2) is arranged at the bottom of framework (1), and described cross section locating piece (3) is relatively arranged on two inner sides of framework (1) support body;
Described positioning tool (2) comprises tool back plane locating piece (4), steam output side locating piece (5) and steam admission side withstanding tight block (6), described steam output side locating piece (5) and steam admission side withstanding tight block (6) are relatively arranged on the side, location of tool back plane locating piece (4), on steam output side locating piece (5), be provided with blade root steam output side locating surface (7) and the large shoulder face of blade root locating surface (8), on steam admission side withstanding tight block (6), be provided with the large shoulder face of blade root locating surface (8) and steam admission side and tighten screw (9), the opposition position of side, tool back plane locating piece (4) location is provided with interior sagittal plane housing screw (10),
Described cross section locating piece (3) is provided with steam passage molded line model mounting groove (12) and integral shroud molded line model mounting groove (13) along short transverse.
2. the general comprehensive measuring tool of blade with pinned root as claimed in claim 1, is characterized in that: described positioning tool (2) is connected removably with framework (1).
3. the general comprehensive measuring tool of blade with pinned root as claimed in claim 2, it is characterized in that: the bottom of described framework (1) is provided with frock locating piece (14) is installed, described frock is installed the two adjacent lateral location that locating piece (14) is matched with positioning tool (2).
4. the general comprehensive measuring tool of blade with pinned root as claimed in claim 1, it is characterized in that: the pressing end of described interior sagittal plane housing screw (10) is provided with pressing plate (11), described pressing plate (11) is rotationally connected with interior sagittal plane housing screw (10) end.
5. the general comprehensive measuring tool of blade with pinned root as claimed in claim 1, is characterized in that: described cross section locating piece (3) is connected removably with framework (1).
6. the general comprehensive measuring tool of blade with pinned root as claimed in claim 1, is characterized in that: on described framework (1), be provided with hole for hoist (15).
7. the general comprehensive measuring tool of blade with pinned root as described in claim 1 to 6 any one, is characterized in that: the upper surface of described tool back plane locating piece (4), steam output side locating piece (5) and steam admission side withstanding tight block (6) is to pass through mutually the consistent globoidal structure of face with the blade root of standard blade with pinned root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357587.7U CN203928954U (en) | 2014-07-01 | 2014-07-01 | The general comprehensive measuring tool of a kind of blade with pinned root |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357587.7U CN203928954U (en) | 2014-07-01 | 2014-07-01 | The general comprehensive measuring tool of a kind of blade with pinned root |
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| Publication Number | Publication Date |
|---|---|
| CN203928954U true CN203928954U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420357587.7U Active CN203928954U (en) | 2014-07-01 | 2014-07-01 | The general comprehensive measuring tool of a kind of blade with pinned root |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357586A (en) * | 2018-12-10 | 2019-02-19 | 无锡透平叶片有限公司 | Measuring tool for turbine blade root switching elevation carrection |
-
2014
- 2014-07-01 CN CN201420357587.7U patent/CN203928954U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357586A (en) * | 2018-12-10 | 2019-02-19 | 无锡透平叶片有限公司 | Measuring tool for turbine blade root switching elevation carrection |
| CN109357586B (en) * | 2018-12-10 | 2023-09-22 | 无锡透平叶片有限公司 | Measuring tool for measuring turbine blade root switching height |
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