CN104344782A - Measuring tool for measuring depth of blade sealing trough and measuring method thereof - Google Patents
Measuring tool for measuring depth of blade sealing trough and measuring method thereof Download PDFInfo
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- CN104344782A CN104344782A CN201410634704.4A CN201410634704A CN104344782A CN 104344782 A CN104344782 A CN 104344782A CN 201410634704 A CN201410634704 A CN 201410634704A CN 104344782 A CN104344782 A CN 104344782A
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Abstract
The invention relates to a depth measuring tool, in particular to a measuring tool for measuring the depth of a blade sealing trough and a measuring method thereof. According to the technical scheme of the invention, the measuring tool comprises a vernier universal bevel protractor, a dial gauge support, a dial gauge, a depth plate and a block gauge, wherein the vernier universal bevel protractor comprises a main scale, a base scale and a vernier fan-shaped plate; the dial gauge support is arranged on the vernier fan-shaped plate; a lengthening rod is arranged in the dial gauge support; the dial gauge is arranged on the dial gauge support; a measuring rod of the dial gauge is in contact with the lengthening rod; the depth plate and the dial gauge support are arranged on the vernier fan-shaped plate side by side; the side face of the depth plate is provided with a boss; the lengthening rod and the boss are arranged in one direction; the block gauge can be placed between the lengthening rod and the boss; the front end of the depth plate is provided with a measuring head; the measuring head is shaped according to the blade sealing trough. According to the measuring tool and the measuring method thereof provided by the invention, the accurate depth values of blade sealing troughs of different structures can be measured, the universality is high, and the cost is reduced.
Description
Technical field
The present invention relates to a kind of degree of depth measuring tool, being specifically related to a kind ofly to obturage the measuring tool of groove depth and measuring method thereof for measuring blade.
Background technology
Aero-turbine guide vane is made up of blade and large and small listrium.In the horizontal section of engine (perpendicular to engine axis), because vane group is annular altogether, understand from geometric figure, the side of blade listrium should be all a part for the radiator plane of engine centerline, the side of listrium forms the wedge shape that is crossed engine centerline, the geometric configuration of blade listrium is various, listrium surface dorsad, basin is to listrium surface, relation between leading edge listrium surface and exhaust edge plate surface typical case can turn to wedge shape as shown in Figure 5, blade groove of obturaging in figure 5 plane ABCD (i.e. basin to listrium surface) and plane BCEF (namely listrium is surperficial dorsad) processes, blade obturages groove depth direction respectively perpendicular to these two planes, its machine direction and depth direction are certain angle.
Require in technological document that measuring blade obturages groove angle surperficial with it when being α, blade is obturaged the depth value of groove.Each blade there are 6 blades to obturage groove, and the obturage α that takes measurement of an angle of groove of each blade is not identical, adopt the method manufacturing gauge to detect in prior art, each blade groove of obturaging must manufacture a gauge, cause gauge One's name is legion, cost increases; And gauge can only judge that whether the degree of depth is qualified, can not measure concrete depth value, measuring accuracy is inadequate.
Summary of the invention
The invention provides and a kind ofly to obturage the measuring tool of groove depth and measuring method thereof for measuring blade, the blade can measuring different structure is obturaged the degree of depth exact numerical of groove, and highly versatile is cost-saving.
Technical scheme of the present invention is as follows:
To obturage the measuring tool of groove depth for measuring blade, comprise vernier universal bevel protractor, dial gauge bearing, dial gauge, degree of depth plate and slip gauge, described vernier universal bevel protractor comprises main scale, base chi and vernier fanning strip; Described dial gauge bearing is arranged on described vernier fanning strip, and described dial gauge bearing inside arranges extension rod, and described dial gauge can be arranged on described dial gauge bearing, and the sounding rod of described dial gauge contacts with described extension rod; Described degree of depth plate and described dial gauge bearing are disposed side by side on described vernier fanning strip, and described degree of depth plate side arranges boss, and described extension rod and described boss are arranged at an orientation, can place slip gauge between described extension rod and described boss; The front end of described degree of depth plate is set to gauge head, and described gauge head shape is manufactured according to blade groove of obturaging.
Described to obturage the measuring tool of groove depth for measuring blade, its preferred version is, described vernier fanning strip configures lock-screw one, described vernier fanning strip can be locked on described main scale.
Described to obturage the measuring tool of groove depth for measuring blade, its preferred version is, described degree of depth plate configuration lock-screw two, can be locked at described degree of depth plate on described vernier fanning strip.
The invention still further relates to a kind of blade to obturage the measuring method of groove depth, comprise the steps:
(1) utilize and above-mentioned to measure for measuring the obturage measuring tool of groove depth of blade;
(2), after the angle of described vernier fanning strip and described base chi being adjusted to the measured angular α that technical requirement that blade to be measured obturages groove specifies, tightening lock-screw one and lock described vernier fanning strip;
(3) described base chi is positioned on platform, the gauge head of described degree of depth plate is flushed with described base chi, tighten lock-screw two and lock described degree of depth plate;
(4) described extension rod is placed on the boss of described degree of depth plate, described dial gauge pointer is adjusted to zero point;
(5) the base chi of described measuring tool being flat on blade obturages on rooved face, unclamps lock-screw two and makes degree of depth plate probe into blade to obturage in groove, again tighten lock-screw two and lock described degree of depth plate; When blade obturage groove depth exceed the range of described dial gauge time, between described extension rod and described boss, place slip gauge;
(6) numerical value of described dial gauge display or the numerical value of described dial gauge display add slip gauge value, and be the blade recorded and obturage groove depth angle value, the depth value d that the technical requirement of obturaging groove with blade specifies compares, and judges that whether it is qualified.
Beneficial effect of the present invention is: the blade that measuring tool of the present invention can measure different structure is obturaged the degree of depth exact numerical of groove, and highly versatile, need not manufacture many gauges, enhance productivity, save production cost.
Accompanying drawing explanation
Fig. 1 is measuring tool front view;
Fig. 2 is measuring tool left view;
Fig. 3 is that measuring tool is measured blade and to be obturaged groove depth schematic diagram;
Fig. 4 is K place enlarged drawing in Fig. 3;
Fig. 5 is that blade obturages slot in the schematic perspective view at blade listrium position.
Embodiment
As shown in figures 1-4, a kind ofly to obturage the measuring tool of groove depth for measuring blade, comprise vernier universal bevel protractor, dial gauge bearing 4, dial gauge 5, degree of depth plate 6 and slip gauge, described vernier universal bevel protractor comprises main scale 1, base chi 2 and vernier fanning strip 3, described vernier fanning strip 3 configures lock-screw 1, can described vernier fanning strip 3 is locked on described main scale 1; Described dial gauge bearing 4 is arranged on described vernier fanning strip 3, described dial gauge bearing 4 inside arranges extension rod 7, described dial gauge 5 is arranged on described dial gauge bearing 4, the sounding rod of described dial gauge 5 contacts with described extension rod 7, described extension rod 7 termination arranges convex edge, described dial gauge bearing 4 inside is provided with step, arranges spring between convex edge and step, and spring can make described extension rod 7 strengthen with the sounding rod linkage of described dial gauge 5; Described degree of depth plate 6 is disposed side by side on described vernier fanning strip 3 with described dial gauge bearing 4, described degree of depth plate 6 configures lock-screw 29, can described degree of depth plate 6 be locked on described vernier fanning strip 3, described degree of depth plate 6 side arranges boss, described extension rod 7 is arranged at an orientation with described boss, can place slip gauge between described extension rod 7 and described boss; The front end of described degree of depth plate 6 is set to gauge head, and described gauge head shape is manufactured according to blade to be measured groove 11 of obturaging.
Blade is obturaged the measuring method of groove depth, comprises the steps:
(1) utilize and above-mentioned to measure for measuring the obturage measuring tool of groove depth of blade;
(2), after described vernier fanning strip 3 and the angle of described base chi 2 being adjusted to the measured angular α that technical requirement that blade to be measured obturages groove 11 specify, the described vernier fanning strip 3 of lock-screw 1 locking is tightened;
(3) described base chi 2 is positioned on platform, the gauge head of described degree of depth plate 6 is flushed with described base chi 2, tighten lock-screw 29 and lock described degree of depth plate 6;
(4) described extension rod 7 is placed on the boss of described degree of depth plate 6, described dial gauge 5 pointer is adjusted to zero point;
(5) the base chi 2 of described measuring tool is flat on blade to be measured and obturages groove 11 on the surface, unclamp lock-screw 29 and make degree of depth plate 6 probe into blade to obturage in groove 11, again tighten lock-screw 29 and lock described degree of depth plate 6; When blade obturage groove 11 degree of depth exceed the range of described dial gauge time, between described extension rod 7 and described boss, place slip gauge;
(6) numerical value that the numerical value that shows of described dial gauge 5 or described dial gauge 5 show adds slip gauge value, and be the blade recorded and obturage groove 11 depth value, the depth value d that the technical requirement of obturaging groove 11 with blade specifies compares, and judges that whether it is qualified.
Claims (4)
1. to obturage the measuring tool of groove depth for measuring blade, it is characterized in that, described measuring tool comprises vernier universal bevel protractor, dial gauge bearing, dial gauge, degree of depth plate and slip gauge, and described vernier universal bevel protractor comprises main scale, base chi and vernier fanning strip; Described dial gauge bearing is arranged on described vernier fanning strip, and described dial gauge bearing inside arranges extension rod, and described dial gauge is arranged on described dial gauge bearing, and the sounding rod of described dial gauge contacts with described extension rod; Described degree of depth plate and described dial gauge bearing are disposed side by side on described vernier fanning strip, and described degree of depth plate side arranges boss, and described extension rod and described boss are arranged at an orientation, can place slip gauge between described extension rod and described boss; The front end of described degree of depth plate is set to gauge head, and described gauge head shape is manufactured according to blade groove of obturaging.
2. according to claim 1ly to obturage the measuring tool of groove depth for measuring blade, it is characterized in that, described vernier fanning strip configures lock-screw one, described vernier fanning strip can be locked on described main scale.
3. according to claim 1ly to obturage the measuring tool of groove depth for measuring blade, it is characterized in that, described degree of depth plate configuration lock-screw two, can be locked at described degree of depth plate on described vernier fanning strip.
4. blade is obturaged a measuring method for groove depth, and it is characterized in that, described measuring method comprises the steps:
(1) measuring for measuring the obturage measuring tool of groove depth of blade as described in claims 1 to 3 is utilized;
(2), after the angle of described vernier fanning strip and described base chi being adjusted to the measured angular α that technical requirement that blade to be measured obturages groove specifies, tightening lock-screw one and lock described vernier fanning strip;
(3) described base chi is positioned on platform, the gauge head of described degree of depth plate is flushed with described base chi, tighten lock-screw two and lock described degree of depth plate;
(4) described extension rod is placed on the boss of described degree of depth plate, described dial gauge pointer is adjusted to zero point;
(5) the base chi of described measuring tool being flat on blade obturages on rooved face, unclamps lock-screw two and makes degree of depth plate probe into blade to obturage in groove, again tighten lock-screw two and lock described degree of depth plate; When blade obturage groove depth exceed the range of described dial gauge time, between described extension rod and described boss, place slip gauge;
(6) numerical value of described dial gauge display or the numerical value of described dial gauge display add slip gauge value, and be the blade recorded and obturage groove depth angle value, the depth value d that the technical requirement of obturaging groove with blade specifies compares, and judges that whether it is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410634704.4A CN104344782A (en) | 2014-11-11 | 2014-11-11 | Measuring tool for measuring depth of blade sealing trough and measuring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410634704.4A CN104344782A (en) | 2014-11-11 | 2014-11-11 | Measuring tool for measuring depth of blade sealing trough and measuring method thereof |
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| CN104344782A true CN104344782A (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410634704.4A Pending CN104344782A (en) | 2014-11-11 | 2014-11-11 | Measuring tool for measuring depth of blade sealing trough and measuring method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374285A (en) * | 2014-08-01 | 2015-02-25 | 安徽天利动力股份有限公司 | Device special for detecting depth of stopping seam of mainshaft cap |
| CN106767230A (en) * | 2016-11-09 | 2017-05-31 | 珠海保税区摩天宇航空发动机维修有限公司 | A kind of CFM56 aero-engines low-pressure turbine blade sealing teeth notch dimension control instrument |
| CN109798823A (en) * | 2018-11-22 | 2019-05-24 | 中国航发贵州红林航空动力控制科技有限公司 | It is a kind of for measuring the device of plane inclined hole depth |
| CN110514100A (en) * | 2019-08-30 | 2019-11-29 | 中国航发动力股份有限公司 | A kind of measuring device and method of honeycomb Wear track depth |
| CN114777623A (en) * | 2022-05-23 | 2022-07-22 | 哈尔滨汽轮机厂有限责任公司 | Radial line angle ruler for rotor blades of steam turbine set |
| CN114894060A (en) * | 2022-06-29 | 2022-08-12 | 中国航发动力股份有限公司 | Turbine working blade sealing groove measuring device |
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| JP2594425B2 (en) * | 1985-09-18 | 1997-03-26 | ク−パ− インダストリ−ズ，インコ−ポレイテツド | Measuring method of excessive wear of gripping cam, lifting clamp and gripping cam |
| CN201803661U (en) * | 2010-09-14 | 2011-04-20 | 宁波万航实业有限公司 | Tool for detecting position of spline snap spring slot out of sliding bush |
| CN203518916U (en) * | 2013-10-18 | 2014-04-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Tool for measuring guide-vane seal groove |
| CN203587015U (en) * | 2013-11-21 | 2014-05-07 | 沈阳黎明航空发动机(集团)有限责任公司 | Measuring tool used for measuring depth of blade seal groove |
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2014
- 2014-11-11 CN CN201410634704.4A patent/CN104344782A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2594425B2 (en) * | 1985-09-18 | 1997-03-26 | ク−パ− インダストリ−ズ，インコ−ポレイテツド | Measuring method of excessive wear of gripping cam, lifting clamp and gripping cam |
| CN201803661U (en) * | 2010-09-14 | 2011-04-20 | 宁波万航实业有限公司 | Tool for detecting position of spline snap spring slot out of sliding bush |
| CN203518916U (en) * | 2013-10-18 | 2014-04-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Tool for measuring guide-vane seal groove |
| CN203587015U (en) * | 2013-11-21 | 2014-05-07 | 沈阳黎明航空发动机(集团)有限责任公司 | Measuring tool used for measuring depth of blade seal groove |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374285A (en) * | 2014-08-01 | 2015-02-25 | 安徽天利动力股份有限公司 | Device special for detecting depth of stopping seam of mainshaft cap |
| CN106767230A (en) * | 2016-11-09 | 2017-05-31 | 珠海保税区摩天宇航空发动机维修有限公司 | A kind of CFM56 aero-engines low-pressure turbine blade sealing teeth notch dimension control instrument |
| CN106767230B (en) * | 2016-11-09 | 2018-11-27 | 珠海保税区摩天宇航空发动机维修有限公司 | A kind of CFM56 aero-engine low-pressure turbine blade sealing teeth notch dimension control tool |
| CN109798823A (en) * | 2018-11-22 | 2019-05-24 | 中国航发贵州红林航空动力控制科技有限公司 | It is a kind of for measuring the device of plane inclined hole depth |
| CN110514100A (en) * | 2019-08-30 | 2019-11-29 | 中国航发动力股份有限公司 | A kind of measuring device and method of honeycomb Wear track depth |
| CN114777623A (en) * | 2022-05-23 | 2022-07-22 | 哈尔滨汽轮机厂有限责任公司 | Radial line angle ruler for rotor blades of steam turbine set |
| CN114777623B (en) * | 2022-05-23 | 2023-12-26 | 哈尔滨汽轮机厂有限责任公司 | Radial angle ruler of turbine unit rotor blade |
| CN114894060A (en) * | 2022-06-29 | 2022-08-12 | 中国航发动力股份有限公司 | Turbine working blade sealing groove measuring device |
| CN114894060B (en) * | 2022-06-29 | 2023-12-08 | 中国航发动力股份有限公司 | Turbine rotor blade seal groove measuring device |
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Application publication date: 20150211 |
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