CN107560519A - A kind of moving turbine blade locking plate groove scrap (bridge) size detecting device - Google Patents
A kind of moving turbine blade locking plate groove scrap (bridge) size detecting device Download PDFInfo
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- CN107560519A CN107560519A CN201710900026.5A CN201710900026A CN107560519A CN 107560519 A CN107560519 A CN 107560519A CN 201710900026 A CN201710900026 A CN 201710900026A CN 107560519 A CN107560519 A CN 107560519A
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- 238000005259 measurement Methods 0.000 abstract description 10
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- 238000000034 method Methods 0.000 description 4
- 238000012797 qualification Methods 0.000 description 2
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of moving turbine blade locking plate groove scrap (bridge) size detecting device,Including bottom plate and alignment pin,Wherein three sides of bottom plate are respectively AB,C,Tri- reference planes of D,Above three reference plane A faces with blade lock film trap scrap (bridge) respectively,C faces are parallel with D faces,Locating piece is fixedly installed on bottom plate,To table block and to table pin,Slided on bottom plate and be provided with the movable block relative with locating piece,It is parallel to surface C and to surface D with the C faces of blade lock film trap scrap (bridge) and D faces difference to being provided with table block,Table pin upper end is provided with parallel with the A faces of blade lock film trap scrap (bridge) and B faces to surface A and to surface B,To surface A,To surface B,Surface C and to surface D A faces with the locking plate groove scrap (bridge) when blade is fixed on bottom plate respectively,B faces,The design attitude in C faces and D faces is generally aligned in the same plane,It is inconvenient to solve the four planar dimension measurements of moving turbine blade locking plate groove scrap (bridge),The problem of being not easy the detection of one-time positioning clamping.
Description
Technical field
The invention belongs to aero-turbine working-blade detection technique field, and in particular to a kind of moving turbine blade
Locking plate groove scrap (bridge) size detecting device.
Background technology
Moving turbine blade is one of aircraft engine parts key component, and it is made up of tenon, listrium and blade, locking plate groove
Scrap (bridge), which shares four planar dimensions, to be needed to measure, and is measured using three coordinate measuring machine, efficiency is low.As shown in figure 1, certain machine whirlpool
Taking turns the size in working-blade locking plate groove scrap (bridge) A faces 10, B faces 11, C faces 12 and D faces 13 needs to measure, and A faces 10 are parallel with B faces 11,
Aforementioned four tested surface forms three angles with tenon symmetrical plane 14.Because workshop only has a three coordinate measuring machine, distance
Machining tool is farther out, low using three-dimensional coordinates measurement inconvenience, efficiency.Blade quantity is more, to improve efficiency and convenient processing, needs
Want design specialized survey tool to realize by magnetic power meter on the platform beside lathe to measure, after tested surface is put level by measuring tool
It is placed on platform, using general magnetic force dial framework by tested surface with changing surface Determination, percentage meter reading required
In the range of then size qualification.This part needs to measure tested surface placement level points for 3 times, if 3 sets of detection and localizations of design
Device, keeper can have foozle during manufacture, and blade needs No. 3 clampings, can produce position error, influence measurement result,
And waste time and energy.
The content of the invention
In order to solve the above problems, the invention provides a kind of moving turbine blade locking plate groove scrap (bridge) size detecting device,
It is low to solve moving turbine blade locking plate groove scrap (bridge) four planar dimension measurement inconveniences, efficiency, it is not easy one-time positioning and enters luggage
The problem of folder detection.
To reach above-mentioned purpose, a kind of moving turbine blade locking plate groove scrap (bridge) size detecting device of the present invention includes bottom
Plate and the alignment pin for locating blades tenon exhaust side plane, wherein three sides of bottom plate are respectively tri- benchmark of AB, C, D
Face, tri- reference planes of AB, C, D are parallel with the A faces, C faces and D faces of blade lock film trap scrap (bridge) respectively, and it is fixed to be fixedly installed on bottom plate
Position block, to table block and to table pin, slide the movable block for being provided with and being oppositely arranged with locating piece on bottom plate, locating piece and movable block
End is engaged with blade tenon, to be provided with table block C faces for measuring blade lock film trap scrap (bridge) and D faces to surface C
With to surface D, table pin upper end is provided with A faces for measuring blade lock film trap scrap (bridge) and B faces to surface A and to surface B,
Wherein to surface A, to surface B, to surface C and to surface D A with the locking plate groove scrap (bridge) when blade is fixed on bottom plate respectively
Face, B faces, the design attitude in C faces and D faces are generally aligned in the same plane.
Guide plate is additionally provided with the bottom plate, offers the groove for being slidably matched with movable block on guide plate, on guide plate
The screw for driving movable block to move is provided with, big cylindrical section is provided with screw, the first groove, institute is provided with movable block
Big cylindrical section is stated with the first groove gap set on movable block to coordinate.
The cover plate for limiting movable block sliding path is covered with the guide plate.
The locating piece includes location division and is arranged on the connecting portion of location division both sides, and it is fixed that location division one end is provided with first
Plane, the first locating surface engage with blade tenon side, and the thickness of connecting portion is less than the thickness of location division.
It is described that table block is included to set with the horizontal part of bottom plate fixation and the protuberance vertical with horizontal part, projection ends
Have to surface C and to surface D.
The bottom plate is L-shaped, and the lower end of table pin is fixedly connected with the horizontal surface portion of bottom plate.
Described is step axle construction to table pin, including the small axle in upper end, the small axle of big axle and lower end being sequentially connected from top to bottom,
To table pin and bottom plate by the small axis connection in lower end, the big axle lower surface of table pin is connected with the upper surface of Floor water planar section.
The hole of the weight for reducing bottom plate is offered on the bottom plate.
Compared with prior art, the present invention at least has technique effect beneficial below, and the present invention is provided with AB, C, D tri-
Reference plane, tri- reference planes of AB, C, D are parallel with the A faces, C faces and D faces of blade lock film trap scrap (bridge) respectively, fixed on bottom plate to set
It is equipped with the locating piece for fixing leaf position and is located at respectively with the A faces of blade lock film trap scrap (bridge), B faces C faces and D faces same
Plane to surface A, to surface B, to surface C and to surface D, the positioning of one action blade is carried out using the present apparatus, with regard to energy
The measurement in four faces of working-blade is realized, structure is novel, and lightly, positioning is reliable, easy to operate, measures precision and detection efficiency
Height, it is designed and manufactured as low, a guarantee moving turbine blade locking plate groove scrap (bridge) size detection requirement.
Further, guide plate is additionally provided with bottom plate, the groove for being slidably matched with movable block is offered on guide plate, is led
The screw for driving movable block to move is provided with plate, is provided with big cylindrical section on screw, it is recessed to be provided with first on movable block
Groove, big cylindrical section coordinate with the first groove gap set on movable block, are coordinated by screw and the first groove, realize movable block
Movement so that movable block compress or unclamp working-blade tenon, it is easy to adjust.
Further, the cover plate for limiting movable block sliding path is covered with guide plate, prevents movable block from skidding off guide plate.
Further, locating piece includes location division and is arranged on the connecting portion of location division both sides, and location division one end is provided with
First locating surface, the first locating surface engage with blade tenon side, and the thickness of connecting portion is less than the thickness of location division, convenient positioning
And material is saved, reduce the weight of the present apparatus.
Further, table block is included and the horizontal part of bottom plate fixation and the protuberance vertical with horizontal part, protuberance end
Portion is provided with to surface C and to surface D, has been furthered to surface C 81 and to surface D82 and blade lock film trap scrap (bridge) C faces 12 and D faces
13 distance, make measurement more convenient.
Further, bottom plate is L-shaped, and the lower end of table pin is fixedly connected with the horizontal surface portion of bottom plate, convenient fixed pair
Table pin.
Further, to table pin it is step axle construction, including the small axle in upper end, big axle and the lower end being sequentially connected from top to bottom
Small axle, to table pin and bottom plate by the small axis connection in lower end, to the big axle lower surface and the upper surface of Floor water planar section of table pin
Connect, it is simple in construction, and have and avoid in use moving table pin to the horizontal part of bottom plate.
Brief description of the drawings
Fig. 1 is moving turbine blade schematic diagram；
Fig. 2 is schematic diagram of the present invention；
Fig. 3 is the front view of bottom plate 1；
Fig. 4 is the right view of bottom plate 1；
Fig. 5 is the front view of tooth shape locating block；
Fig. 6 is the left view of tooth shape locating block；
Fig. 7 is mobile tooth form block schematic diagram；
Fig. 8 is guide plate schematic diagram；
Fig. 9 is screw schematic diagram；
Figure 10 is the front view to table block；
Figure 11 is the top view to table block；
In accompanying drawing：1st, bottom plate, 2, locating piece, 21, location division, 22, connecting portion, the 23, first locating surface, the 24, second groove,
3rd, movable block, the 31, second locating surface, the 32, first groove, 4, guide plate, 5, cover plate, 6, screw, 7, alignment pin, 8, to table block, 81,
To surface C, 82, to surface D, 9, to table pin, 91, to surface A, 92, to surface B.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
To Figure 11, a kind of moving turbine blade locking plate groove scrap (bridge) size detecting device includes bottom plate 1 and for fixed reference picture 2
The alignment pin 7 of position blade tenon exhaust side plane, bottom plate 1 include horizontal part and vertical portion, and 1 horizontal lower surface of bottom plate is AB bases
Quasi- face, the end side surface of 1 horizontal part vertical portion of bottom plate two are two reference planes of C and D, A B, C and tri- reference planes of D respectively with blade lock
A faces, the C faces of film trap scrap (bridge) are parallel with D faces, locating piece 2, guide plate 4 are fixedly connected with bottom plate 1, to table block 8 and to table pin 9, ginseng
According to Fig. 8, the groove for being slidably matched with movable block 3 is offered on guide plate 4, slide fit gap is not more than 0.01mm, covered on guide plate 4
The cover plate 5 having for limiting the sliding path of movable block 3 is closed, the screw 6 for driving movable block 3 to move, spiral shell are provided with guide plate 4
Big cylindrical section is provided with nail 6, the first groove, first set on the big cylindrical section and movable block 3 are provided with movable block 3
Groove wide arc gap coordinates, and movable block 3 and locating piece 2 are oppositely arranged, the first locating surface 21 of locating piece 2 and the second of movable block 3
The end of locating surface 31 is engaged with blade tenon, and the tenon of blade is positioned and compressed, to being provided with table block 8 and blade
The C faces of locking plate groove scrap (bridge) are parallel with D faces difference to surface C 81 and to surface D82, the upper end of table pin 9 are provided with and blade lock
The A faces of film trap scrap (bridge) are parallel with B faces to surface A 91 and to surface B92, wherein to surface A 91, to surface B92, to surface C
81 and to surface D82 design positions with the A faces of locking plate groove scrap (bridge), B faces, C faces and D faces when blade is fixed on bottom plate 1 respectively
Setting in same plane.
Preferably, to table pin 9 it is step axle construction, including the small axle in upper end, big axle and the lower end being sequentially connected from top to bottom
Small axle, to table pin 9 and bottom plate 1 by the small axis connection in lower end, to the upper of the big axle lower surface of table pin 9 and the horizontal surface portion of bottom plate 1
End face connects.
Reference picture 3 and Fig. 4, bottom plate 1 are L-shaped, including horizontal part and vertical portion, are offered on the vertical portion of bottom plate 1 for subtracting
The hole of the weight of platter 1.
Reference picture 5 and Fig. 6, locating piece 2 include location division 21 and are arranged on the connecting portion 22 of the both sides of location division 21, location division
21 one end are provided with the first locating surface 23, and the first locating surface 23 engages with blade tenon side, and the thickness of connecting portion 22, which is less than, to be determined
The thickness in position portion 21, positioning is easily installed, the lower end of location division 21 is provided with the second groove 24, and the second groove 24, which is used to improve, to be positioned
The degree of accuracy that portion 21 positions.
Reference picture 7, movable block 3 are block, and one end is provided with positions and compress blade tenon for coordinating with locating piece 2
Second locating surface 31, the other end set the first groove 32, and the first groove 32 is used to coordinate with the big axle of screw 6, is turning screw 6
Movable block 3 is driven to move when dynamic.
Reference picture 10 and Figure 11, are T-shaped to table block 8, including horizontal part and protuberance, and intermediate ledge end set has pair
Surface C 81 and to surface D82, horizontal part is provided at both ends with the screwed hole for being fixedly connected with bottom plate 1, will be to the He of surface C 81
Protuberance is arranged on to surface D82, furthered to surface C 81 and to surface D82 and blade lock film trap scrap (bridge) C faces 12 and D faces 13
Distance, make measurement more convenient.
Preferably, when blade and to table block 8 fixed on bottom plate 1 after, to surface C 81 and to surface D82 and bottom plate 1 away from
Equal with a distance from bottom plate 1 from blade lock film trap scrap (bridge) C faces 12 and D faces 13, measurement is more convenient.
The use process of the present apparatus is as follows：In use, moving turbine blade tenon is vented to the end of side plane and alignment pin 7
Face is bonded, and basin side tooth form is bonded with the first locating surface 23 of locating piece 2, drives mobile tooth form block 3 to move by rotating screw 6,
Position and compress blade dorsal part tooth form, complete part positioning compression；As shown in Fig. 2 the reference plane A of detection means and platform are pasted
Close, promote general magnetic force dial framework, make the contact of dial gauge with to being contacted on table pin 9 to surface A 91, then by percentage list index
Zeroing, magnetic force dial framework is promoted, the contact of dial gauge is contacted with the tested A faces of moving turbine blade, percentage meter reading can occur
Change, observes its reading whether in the required margin of tolerance, if judging tested A faces size qualification in the margin of tolerance, conversely,
It is determined as unqualified, then according to said method measures B faces；Then rotation detection device, the reference plane D and platform for making detection means are pasted
Close, measure D faces as stated above；Detection means is finally overturn, the reference plane C of detection means is bonded with platform, by above-mentioned side
Method measurement C faces size, completes blade lock film trap scrap (bridge) size detection, due to being matching measurement, each is tested surface to surface
Extension, each that surface size is designed by measured size nominal value, tolerance takes 1/10th of measured size tolerance, completes turbine
Working-blade locking plate groove scrap (bridge) size detecting device designs.
Claims (8)
1. a kind of moving turbine blade locking plate groove scrap (bridge) size detecting device, it is characterised in that including bottom plate (1) and for positioning
Blade tenon is vented the alignment pin (7) of side plane, and wherein three sides of bottom plate (1) are respectively tri- reference planes of AB, C, D, AB,
C, tri- reference planes of D are parallel with the A faces, C faces and D faces of blade lock film trap scrap (bridge) respectively, and bottom plate is fixedly installed locating piece on (1)
(2) movable block (3) for being provided with and being oppositely arranged with locating piece (2) is slided, to table block (8) and to table pin (9), on bottom plate (1), it is fixed
The end of position block (2) and movable block (3) is engaged with blade tenon, is used to measure blade lock film trap to being provided with table block (8)
The C faces of scrap (bridge) and D faces to surface C (81) and to surface D (82), table pin (9) upper end is provided with for measuring blade locking plate
The A faces of groove scrap (bridge) and B faces to surface A (91) and to surface B (92), wherein to surface A (91), to surface B (92), to surface
C (81) and to surface D (82) respectively with the A faces of locking plate groove scrap (bridge), B faces, C faces and D faces when blade is fixed on bottom plate (1)
Design attitude is generally aligned in the same plane.
A kind of 2. moving turbine blade locking plate groove scrap (bridge) size detecting device according to claim 1, it is characterised in that institute
State and guide plate (4) is additionally provided with bottom plate (1), the groove for being slidably matched with movable block (3), guide plate are offered on guide plate (4)
(4) it is provided with for driving the mobile screw (6) of movable block (3), is provided with big cylindrical section on screw (6), on movable block (3)
The first groove (32) is provided with, the big cylindrical section coordinates with the first groove (32) gap set on movable block (3).
A kind of 3. moving turbine blade locking plate groove scrap (bridge) size detecting device according to claim 2, it is characterised in that institute
State the cover plate (5) being covered with guide plate (4) for limiting movable block (3) sliding path.
A kind of 4. moving turbine blade locking plate groove scrap (bridge) size detecting device according to claim 1, it is characterised in that institute
Stating locating piece (2) includes location division (21) and is arranged on the connecting portion (22) of location division (21) both sides, and location division (21) one end is set
The first locating surface (23) is equipped with, the first locating surface (23) engages with blade tenon side, and the thickness of connecting portion (22) is less than positioning
The thickness in portion (21).
A kind of 5. moving turbine blade locking plate groove scrap (bridge) size detecting device according to claim 1, it is characterised in that institute
Stating includes the horizontal part fixed with bottom plate (1) and the protuberance vertical with horizontal part to table block (8), and projection ends are provided with pair
Surface C (81) and to surface D (82).
A kind of 6. moving turbine blade locking plate groove scrap (bridge) size detecting device according to claim 1, it is characterised in that institute
It is L-shaped to state bottom plate (1), and the lower end of table pin (9) is fixedly connected with the horizontal surface portion of bottom plate (1).
A kind of 7. moving turbine blade locking plate groove scrap (bridge) size detecting device according to claim 6, it is characterised in that institute
It is step axle construction to state to table pin (9), including the small axle in upper end, the small axle of big axle and lower end being sequentially connected from top to bottom, to table pin
(9) and bottom plate (1) is by the small axis connection in lower end, to the big axle lower surface and the upper surface of bottom plate (1) horizontal surface portion of table pin (9)
Connect.
A kind of 8. moving turbine blade locking plate groove scrap (bridge) size detecting device according to claim 1, it is characterised in that institute
State the hole that the weight for reducing bottom plate (1) is offered on bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710900026.5A CN107560519B (en) | 2017-09-28 | 2017-09-28 | A kind of moving turbine blade locking plate slot scrap (bridge) size detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710900026.5A CN107560519B (en) | 2017-09-28 | 2017-09-28 | A kind of moving turbine blade locking plate slot scrap (bridge) size detecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107560519A true CN107560519A (en) | 2018-01-09 |
| CN107560519B CN107560519B (en) | 2019-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710900026.5A Active CN107560519B (en) | 2017-09-28 | 2017-09-28 | A kind of moving turbine blade locking plate slot scrap (bridge) size detecting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341478A (en) * | 2018-11-14 | 2019-02-15 | 中国航发动力股份有限公司 | A kind of turbo blade dimension measuring device and measurement method |
| CN112985219A (en) * | 2021-03-17 | 2021-06-18 | 中国航发动力股份有限公司 | Turbine blade shroud edge plate measuring device |
| CN113280710A (en) * | 2021-06-30 | 2021-08-20 | 中国航发动力股份有限公司 | Multi-size detection device and method for turbine working blade edge plate |
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| US3653128A (en) * | 1970-04-03 | 1972-04-04 | Chromalloy American Corp | Means for measuring twist in a turbine vane |
| CN202204447U (en) * | 2011-08-01 | 2012-04-25 | 芜湖鑫业汽车零部件有限公司 | Detection device for depth of counter bore of automobile shift fork shaft |
| CN105387793A (en) * | 2015-10-20 | 2016-03-09 | 西安航空动力股份有限公司 | Compressor blade runner surface profile tolerance detecting device and method |
| CN105444647A (en) * | 2015-12-27 | 2016-03-30 | 无锡透平叶片有限公司 | Device for turbine blade crown and boss pitch measurement |
| CN106312869A (en) * | 2016-09-30 | 2017-01-11 | 中国南方航空工业(集团)有限公司 | Tenon clamping and positioning device for metering turbine blades |
-
2017
- 2017-09-28 CN CN201710900026.5A patent/CN107560519B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3653128A (en) * | 1970-04-03 | 1972-04-04 | Chromalloy American Corp | Means for measuring twist in a turbine vane |
| CN202204447U (en) * | 2011-08-01 | 2012-04-25 | 芜湖鑫业汽车零部件有限公司 | Detection device for depth of counter bore of automobile shift fork shaft |
| CN105387793A (en) * | 2015-10-20 | 2016-03-09 | 西安航空动力股份有限公司 | Compressor blade runner surface profile tolerance detecting device and method |
| CN105444647A (en) * | 2015-12-27 | 2016-03-30 | 无锡透平叶片有限公司 | Device for turbine blade crown and boss pitch measurement |
| CN106312869A (en) * | 2016-09-30 | 2017-01-11 | 中国南方航空工业(集团)有限公司 | Tenon clamping and positioning device for metering turbine blades |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341478A (en) * | 2018-11-14 | 2019-02-15 | 中国航发动力股份有限公司 | A kind of turbo blade dimension measuring device and measurement method |
| CN109341478B (en) * | 2018-11-14 | 2020-10-09 | 中国航发动力股份有限公司 | Turbine blade size measuring device and measuring method |
| CN112985219A (en) * | 2021-03-17 | 2021-06-18 | 中国航发动力股份有限公司 | Turbine blade shroud edge plate measuring device |
| CN113280710A (en) * | 2021-06-30 | 2021-08-20 | 中国航发动力股份有限公司 | Multi-size detection device and method for turbine working blade edge plate |
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| Publication number | Publication date |
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| CN107560519B (en) | 2019-05-07 |
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Effective date of registration: 20240529 Address after: 710000, Room 401, 4th Floor, Building 7, Dapu Industrial Park, No. 4955 Shangyuan Road, Economic Development Zone, Xi'an City, Shaanxi Province Patentee after: XI'AN Xaec Suntimes HIGH-TECH Co.,Ltd. Country or region after: China Address before: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee before: AECC AVIATION POWER CO,LTD. Country or region before: China |
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