CN102564260B - Detection apparatus of arc tenon-tooth blade-root molded line and intermediate molded line - Google Patents
Detection apparatus of arc tenon-tooth blade-root molded line and intermediate molded line Download PDFInfo
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- CN102564260B CN102564260B CN201210020254.0A CN201210020254A CN102564260B CN 102564260 B CN102564260 B CN 102564260B CN 201210020254 A CN201210020254 A CN 201210020254A CN 102564260 B CN102564260 B CN 102564260B
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Abstract
The invention provides a detection apparatus of an arc tenon-tooth blade-root molded line and an intermediate molded line. When current molded line detection is performed on a test piece, the detection is not accurate; detection cost is high; operation is complex and there are many other problems. By using the detection apparatus of the invention, the above problems can be solved, blade detection production efficiency can be substantially increased and production cost can be reduced. The apparatus is characterized in that: the apparatus comprises a tooth type detection templet and a blade-root top tight device; the tooth type detection templet is provided with a detection contour groove; the blade-root top tight device is installed on a lower part of the tooth type templet.
Description
Technical field
The present invention relates to tenon tooth class blade-root molded line detection field, be specially the pick-up unit of arc tenon-tooth blade-root molded line and intermediate molded line.
Background technology
Tenon-tooth blade-root is the highest position of blade processing precision, and the detection of arc tenon-tooth blade-root molded line also becomes the difficult point of detection, conventional detection method is first with the tool sharpening of processing tenon tooth and the test piece that tenon-tooth blade-root molded line matches at present, test piece is by adopting enlarged drawing, thereby the detection meanss such as ten thousand light displays or three-dimensional detect, whether its molded line is qualified judges whether designing requirement of blade, its shortcoming is: the data that gather when it detects come from test piece but not blade to be measured self, owing to there is error in the trade union that adds of test piece, thereby can not be equal to the testing result for blade itself completely for the testing result of test piece, can not be as the whether qualified foundation of this batch of blade of interpretation, in addition, adopt the methods such as enlarged drawing, ten thousand light displays or three-dimensional detection to detect test piece, its testing cost is high, detection complex operation, easily causes to produce and pauses, and affects production efficiency, in addition, adopt test piece to detect, need regularly processing for detection of the test piece of tenon tooth molded line, production cost is high.
Summary of the invention
For the problems referred to above, the invention provides the pick-up unit of arc tenon-tooth blade-root molded line and intermediate molded line, it can solve the problems such as existing, complex operation high by detection out of true, the testing cost of test piece being carried out exist when molded line detects, and can greatly improve blade and detect production efficiency, reduce production costs.
Its technical scheme is such, it is characterized in that: it comprises that flute profile detects model and blade root holding device, and described flute profile detects on model and has and detect profile groove, and the bottom of described flute profile model is provided with described blade root holding device.
It is further characterized in that: the profile of described detection profile groove is by the largest enveloping surface of blade-root molded line, blade root intermediate molded line and detect tolerance value setting;
The bottom that described profile of tooth detects model is clipped between left fixed head and right fixed head, on described left fixed head and right fixed head, has rectangular through slot, and described blade root holding device is installed in the rectangular through slot of described left fixed head and right fixed head;
Described blade root holding device comprises mobile screw and latch segment, described latch segment is secured by bolts in the groove bottom of described rectangular through slot, the bottom of described mobile screw is threaded by sunk screw with described latch segment, on the baseplane of described flute profile detection model, have unthreaded hole, described mobile screw is through described unthreaded hole.
Beneficial effect of the present invention is: it can directly carry out the detection of molded line to tenon-tooth blade-root, the tenon-tooth blade-root of blade to be detected is directly inserted in the detection profile groove of detection model of the present invention, by blade root holding device, the flute profile workplace of tenon-tooth blade-root is fitted with the corresponding Design Orientation face that detects profile groove, with clearance gauge, check whether each profile of tooth non-working surface and the gap width that detects profile groove face meet designing requirement, its testing result is true and reliable, easy to detect quick, can realize the detection of blade 100%, greatly improved detection efficiency, reduced production cost.
Accompanying drawing explanation
Fig. 1 is the structure of the detecting device schematic diagram of arc tenon-tooth blade-root molded line of the present invention and intermediate molded line;
Fig. 2 is that the A-A of Fig. 1 is to sectional structure schematic diagram;
Fig. 3 is that tenon-tooth blade-root is placed on the schematic diagram detecting in flute profile detection model 1 of the present invention.
Embodiment
See Fig. 1 and Fig. 2, the present invention includes flute profile and detect model 1 and blade root holding device, flute profile detects on model 1 and has and detect profile groove 6, and the bottom of flute profile model 1 is provided with blade root holding device.Detecting the profile of profile groove 6 presses the largest enveloping surface of blade-root molded line, blade root intermediate molded line and detects tolerance value setting; The bottom that profile of tooth detects model 1 is clipped between left fixed head 2 and right fixed head 3, on left fixed head 2 and right fixed head 3, has rectangular through slot 7, and blade root holding device is installed in the rectangular through slot 7 of left fixed head and right fixed head; Blade root holding device comprises mobile screw 5 and latch segment 4, latch segment 4 is fixed on the groove bottom of rectangular through slot 7 by bolt 8, the bottom of mobile screw 5 is threaded by sunk screw 9 with latch segment 4, on the baseplane of flute profile detection model 1, has unthreaded hole 10, and mobile screw 5 is through unthreaded hole 10.
During detection, the tenon-tooth blade-root of blade to be measured 11 is inserted in the detection profile groove 6 of flute profile detection model 1, rotate mobile screw 5, whether mobile screw 5 by the upwards corresponding Design Orientation face laminating of jack-up, the flute profile workplace 12 that makes tenon-tooth blade-root and detection profile groove 6 of tenon-tooth blade-root 11, then meets designing requirement with the gap width that clearance gauge detects between tenon-tooth blade-root and each profile of tooth non-working surface 13 and detection profile groove under the guide effect of sunk screw 9.
Claims (1)
1. the pick-up unit of arc tenon-tooth blade-root molded line and intermediate molded line, it is characterized in that: it comprises that flute profile detects model and blade root holding device, described flute profile detects on model and has and detect profile groove, and the bottom of described flute profile model is provided with described blade root holding device; The profile of described detection profile groove is pressed the largest enveloping surface of blade-root molded line, blade root intermediate molded line and is detected tolerance value setting; The bottom that described profile of tooth detects model is clipped between left fixed head and right fixed head, on described left fixed head and right fixed head, has rectangular through slot, and described blade root holding device is installed in the rectangular through slot of described left fixed head and right fixed head; Described blade root holding device comprises mobile screw and latch segment, described latch segment is secured by bolts in the groove bottom of described rectangular through slot, the bottom of described mobile screw is threaded by sunk screw with described latch segment, on the baseplane of described flute profile detection model, have unthreaded hole, described mobile screw is through described unthreaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210020254.0A CN102564260B (en) | 2012-01-29 | 2012-01-29 | Detection apparatus of arc tenon-tooth blade-root molded line and intermediate molded line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210020254.0A CN102564260B (en) | 2012-01-29 | 2012-01-29 | Detection apparatus of arc tenon-tooth blade-root molded line and intermediate molded line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102564260A CN102564260A (en) | 2012-07-11 |
| CN102564260B true CN102564260B (en) | 2014-12-03 |
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| CN201210020254.0A Active CN102564260B (en) | 2012-01-29 | 2012-01-29 | Detection apparatus of arc tenon-tooth blade-root molded line and intermediate molded line |
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Families Citing this family (7)
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|---|---|---|---|---|
| CN103267500B (en) * | 2013-04-18 | 2015-09-16 | 哈尔滨汽轮机厂有限责任公司 | Turbine rotor fir-type grooves in rotors load-carrying surface measures measurer and measuring method thereof to reference field dimensional tolerence |
| CN105509601A (en) * | 2015-12-28 | 2016-04-20 | 无锡透平叶片有限公司 | Tool for gas compressor small vane die forging blank detection |
| CN109084720B (en) * | 2018-08-14 | 2021-06-18 | 中国航发南方工业有限公司 | Clamp for machining tail profile of tenon tooth gauge and profile size measuring 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 |
| CN109373849A (en) * | 2018-12-10 | 2019-02-22 | 无锡透平叶片有限公司 | Bacterium shape blade root detection device |
| CN110579154A (en) * | 2019-10-23 | 2019-12-17 | 奇瑞汽车股份有限公司 | Checking fixture for hand braking control mechanism assembly |
| 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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| US4962590A (en) * | 1987-08-20 | 1990-10-16 | Ambrose Wilfred G | Apparatus and method for testing parameters of involute gears and pinions |
| CN201368713Y (en) * | 2009-03-20 | 2009-12-23 | 无锡润和叶片制造有限公司 | Clamp for measuring throat width of movable vane of steam turbine |
| CN202420354U (en) * | 2012-01-29 | 2012-09-05 | 无锡透平叶片有限公司 | Profile detecting device for blade roots of arc tenon teeth and intermediates |
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2012
- 2012-01-29 CN CN201210020254.0A patent/CN102564260B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4962590A (en) * | 1987-08-20 | 1990-10-16 | Ambrose Wilfred G | Apparatus and method for testing parameters of involute gears and pinions |
| CN201368713Y (en) * | 2009-03-20 | 2009-12-23 | 无锡润和叶片制造有限公司 | Clamp for measuring throat width of movable vane of steam turbine |
| CN202420354U (en) * | 2012-01-29 | 2012-09-05 | 无锡透平叶片有限公司 | Profile detecting device for blade roots of arc tenon teeth and intermediates |
Non-Patent Citations (2)
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| 在VG-450万能渐开线检查仪上测量内齿轮齿形误差;王玉;《计测技术》;20071031;第27卷(第5期);39-41 * |
| 王玉.在VG-450万能渐开线检查仪上测量内齿轮齿形误差.《计测技术》.2007,第27卷(第5期),39-41页. * |
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| CN102564260A (en) | 2012-07-11 |
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