CN107560519B - A kind of moving turbine blade locking plate slot scrap (bridge) size detecting device - Google Patents
A kind of moving turbine blade locking plate slot scrap (bridge) size detecting device Download PDFInfo
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- CN107560519B CN107560519B CN201710900026.5A CN201710900026A CN107560519B CN 107560519 B CN107560519 B CN 107560519B CN 201710900026 A CN201710900026 A CN 201710900026A CN 107560519 B CN107560519 B CN 107560519B
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- face
- bridge
- bottom plate
- scrap
- locking plate
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Abstract
The invention discloses a kind of moving turbine blade locking plate slot scrap (bridge) size detecting devices, including bottom plate and positioning pin, wherein three sides of bottom plate are respectively AB, C, tri- datum levels of D, the above three datum level face A with blade lock film trap scrap (bridge) respectively, the face C is parallel with the face D, locating piece is fixedly installed on bottom plate, to table block and to table pin, sliding is provided with the movable block opposite with locating piece on bottom plate, to be provided on table block distinguish with the face C of blade lock film trap scrap (bridge) and the face D it is parallel to surface C and to surface D, table pin upper end is provided with parallel with the face A of blade lock film trap scrap (bridge) and the face B to surface A and to surface B, to surface A, to surface B, surface C and to the face A with the locking plate slot scrap (bridge) when blade is fixed on bottom plate respectively surface D, the face B, the design position in the face C and the face D is located at same flat Face solves the problems, such as that the four planar dimension measurements of moving turbine blade locking plate slot scrap (bridge) are inconvenient, is not easy a positioning and clamping detection.
Description
Technical field
The invention belongs to aero-turbine working-blade detection technique fields, and in particular to a kind of moving turbine blade
Locking plate slot scrap (bridge) size detecting device.
Background technique
Moving turbine blade is one of aircraft engine parts key component, it is made of tenon, listrium and blade, locking plate slot
Scrap (bridge) needs to measure there are four planar dimension altogether, is measured using three coordinate measuring machine, low efficiency.As shown in Figure 1, certain machine whirlpool
The size for taking turns the face working-blade locking plate slot scrap (bridge) A 10, the face B 11, the face C 12 and the face D 13 needs to measure, and the face A 10 is parallel with the face B 11,
Aforementioned four tested surface and tenon symmetrical plane 14 form three angles.Since workshop only has a three coordinate measuring machine, distance
Machining tool farther out, uses three-dimensional coordinates measurement inconvenience, low efficiency.Blade quantity is more, to improve efficiency and facilitating processing, needs
It wants design specialized measuring tool to realize on the platform beside lathe by magnetic power meter 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 to surface Determination, percentage meter reading changes required
Then size qualification in range.This part needs to measure tested surface placement level points for 3 times, if 3 sets of detection and localizations of design
Device, locating piece can have foozle when manufacture, and blade needs No. 3 clampings, can generate position error, influence measurement result,
And it is time-consuming and laborious.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of moving turbine blade locking plate slot scrap (bridge) size detecting device,
To solve moving turbine blade locking plate slot scrap (bridge) four planar dimension measurement inconveniences, low efficiencys, it is not easy once positioning and is filled
The problem of folder detection.
In order to achieve the above objectives, a kind of moving turbine blade locking plate slot scrap (bridge) size detecting device of the present invention includes bottom
Plate and the positioning pin that side plane is vented for locating blades tenon, wherein three sides of bottom plate are respectively tri- benchmark of AB, C, D
Face, tri- datum levels of AB, C, D are parallel with the face A of blade lock film trap scrap (bridge), the face C and the face D respectively, and it is fixed to be fixedly installed on bottom plate
Position block, to table block and to table pin, sliding is provided with the movable block being oppositely arranged with locating piece on bottom plate, locating piece and movable block
End is engaged with blade tenon, to the face C and the face D being provided on table block for measuring blade lock film trap scrap (bridge) to surface C
With to surface D, to table pin upper end be provided with the face A for measuring blade lock film trap scrap (bridge) and the face B to surface A and to surface B,
Wherein to surface A, to surface B, to surface C and to the surface D A with the locking plate slot scrap (bridge) when blade is fixed on bottom plate respectively
Face, the face B, the face C and the face D design position be generally aligned in the same plane.
It is additionally provided with guide plate on the bottom plate, offers the through slot for being slidably matched with movable block on guide plate, on guide plate
It is provided with the screw for driving movable block mobile, big cylindrical section is provided on screw, the first groove, institute is provided on movable block
The first groove gap being arranged on big cylindrical section and movable block is stated to cooperate.
The guide plate upper cover closes the cover board having for limiting movable block sliding path.
The locating piece includes positioning region and the interconnecting piece that positioning region two sides are arranged in, and it is fixed that positioning region one end is provided with first
Plane, the first positioning surface are engaged with blade tenon side, and the thickness of interconnecting piece is less than the thickness of positioning region.
Described includes the horizontal part and with horizontal part vertical protrusion fixed with bottom plate, projection ends setting to table block
Have to surface C and to surface D.
The bottom plate is L shape, is fixedly connected to the lower end of table pin with the horizontal surface portion of bottom plate.
Described is step axle construction to table pin, including the small axis in sequentially connected upper end, the small axis of big axis and lower end from top to bottom,
To table pin and bottom plate by the small axis connection in lower end, connect to the big axis lower end surface of table pin 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 technical effect beneficial below, and the present invention is equipped with AB, C, D tri-
Datum level, tri- datum levels of AB, C, D are parallel with the face A of blade lock film trap scrap (bridge), the face C and the face D respectively, and fixation is set on bottom plate
It is equipped with for the locating piece of fixed blade position and is located at the face A of blade lock film trap scrap (bridge), the face the B face C and the face D same
Plane to surface A, to surface B, to surface C and to surface D, use the present apparatus to carry out the positioning of one action blade, energy
Realize the measurement in four faces of working-blade, structure novel lightly positions reliable, easy to operate, measurement precision and detection efficiency
Height, it is low to design and manufacture cost, guarantees the requirement of moving turbine blade locking plate slot scrap (bridge) size detection.
Further, it is additionally provided with guide plate on bottom plate, the through slot for being slidably matched with movable block is offered on guide plate, is led
It is provided with the screw for driving movable block mobile on plate, is provided with big cylindrical section on screw, it is recessed to be provided with first on movable block
The first groove gap being arranged on slot, big cylindrical section and movable block cooperates, and is cooperated by screw and the first groove, realizes movable block
Movement so that movable block compress or unclamp working-blade tenon, it is easy to adjust.
Further, guide plate upper cover closes the cover board having for limiting movable block sliding path, prevents movable block from skidding off guide plate.
Further, locating piece includes positioning region and the interconnecting piece that positioning region two sides are arranged in, and positioning region one end is provided with
First positioning surface, the first positioning surface are engaged with blade tenon side, and the thickness of interconnecting piece is less than the thickness of positioning region, facilitate positioning
And material is saved, reduce the weight of the present apparatus.
It further, include the horizontal part and with horizontal part vertical protrusion fixed with bottom plate, protrusion end to table block
Portion is provided with to surface C and to surface D, has been furthered to surface C 81 and to surface D82 and the face blade lock film trap scrap (bridge) C 12 and the face D
13 distance makes to measure more convenient.
Further, bottom plate is L shape, is fixedly connected to the lower end of table pin with the horizontal surface portion of bottom plate, facilitates fixed pair
Table pin.
It further, is step axle construction, including the small axis in sequentially connected upper end, big axis and lower end from top to bottom to table pin
Small axis, to table pin and bottom plate by the small axis connection in lower end, to the upper surface of big the axis lower end surface and Floor water planar section of table pin
Connect, structure is simple, and has and avoid in use moving table pin to the horizontal part of bottom plate.
Detailed description of the invention
Fig. 1 is moving turbine blade schematic diagram；
Fig. 2 is schematic diagram of the present invention；
Fig. 3 is 1 main view of bottom plate；
Fig. 4 is 1 right view of bottom plate；
Fig. 5 is the main 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 main view to table block；
Figure 11 is the top view to table block；
In attached drawing: 1, bottom plate, 2, locating piece, 21, positioning region, 22, interconnecting piece, the 23, first positioning surface, the 24, second groove,
3, movable block, the 31, second positioning surface, the 32, first groove, 4, guide plate, 5, cover board, 6, screw, 7, positioning 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.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Referring to Fig. 2 to Figure 11, a kind of moving turbine blade locking plate slot scrap (bridge) size detecting device includes bottom plate 1 and for fixed
The positioning pin 7 of position blade tenon exhaust side plane, bottom plate 1 include horizontal part and vertical portion, and the horizontal lower surface of bottom plate 1 is AB base
Quasi- face, 1 horizontal part vertical portion of bottom plate, two end side surface are two datum levels of C and D, A B, C and tri- datum levels of D respectively with blade lock
The face A, the face C of film trap scrap (bridge) are parallel with the face D, locating piece 2, guide plate 4 are fixedly connected on bottom plate 1, to table block 8 and to table pin 9, ginseng
According to Fig. 8, the through slot for being slidably matched with movable block 3 is offered on guide plate 4, slide fit gap is not more than 0.01mm, 4 upper cover of guide plate
The cover board 5 having for limiting 3 sliding path of movable block is closed, the screw 6 for driving movable block 3 mobile, spiral shell are provided on guide plate 4
It is provided with big cylindrical section on nail 6, the first groove, first be arranged on the big cylindrical section and movable block 3 are provided on movable block 3
The cooperation of groove wide arc gap, movable block 3 and locating piece 2 be oppositely arranged, and the second of the first positioning surface 21 of locating piece 2 and movable block 3
31 end of positioning surface is engaged with blade tenon, and the tenon of blade is positioned and compressed, to being provided on table block 8 and blade
The face C of locking plate slot scrap (bridge) is distinguished parallel to surface C 81 and to surface D82 with the face D, is provided with to 9 upper end of table pin and blade lock
The face A of film trap scrap (bridge) is parallel with the face B to surface A 91 and to surface B92, wherein to surface A 91, to surface B92, to surface C
81 and to the design position with the face A, the face B, the face C and the face D of locking plate slot scrap (bridge) when blade is fixed on bottom plate 1 respectively surface D82
Setting in same plane.
It preferably, is step axle construction, including the small axis in sequentially connected upper end, big axis and lower end from top to bottom to table pin 9
Small axis, to table pin 9 and bottom plate 1 by the small axis connection in lower end, to the upper of the big axis lower end surface of table pin 9 and 1 horizontal surface portion of bottom plate
End face connects.
Referring to Fig. 3 and Fig. 4, bottom plate 1 is L shape, including horizontal part and vertical portion, bottom plate offer on 1 vertical portion for subtracting
The hole of the weight of platter 1.
Referring to figure 5 and figure 6, locating piece 2 includes positioning region 21 and the interconnecting piece 22 that 21 two sides of positioning region are arranged in, positioning region
21 one end are provided with the first positioning surface 23, and the first positioning surface 23 is engaged with blade tenon side, and it is fixed that the thickness of interconnecting piece 22 is less than
The thickness in position portion 21, is easily installed and positioned, and 21 lower end of positioning region is provided with the second groove 24, and the second groove 24 is for improving positioning
The accuracy that portion 21 positions.
Referring to Fig. 7, movable block 3 is block, and one end is provided with for cooperating positioning with locating piece 2 and compressing blade tenon
The first groove 32 is arranged in second positioning surface 31, the other end, and the first groove 32 is used to cooperate with the big axis of screw 6, is turning screw 6
Drive movable block 3 mobile when dynamic.
0 and Figure 11 referring to Fig.1 is T shape to table block 8, including horizontal part and protrusion, and intermediate ledge end is provided with pair
Surface C 81 and to surface D82, horizontal part both ends are provided with the threaded hole for being fixedly connected with bottom plate 1, will be to 81 He of surface C
Surface D82 is arranged in protrusion, has been furthered to surface C 81 and to surface D82 and the face blade lock film trap scrap (bridge) C 12 and the face D 13
Distance, make to measure more convenient.
Preferably, when blade and to table block 8 it is fixed on bottom plate 1 after, to surface C 81 and to surface D82 and bottom plate 1 away from
It is equidistant, measures more convenient from the face blade lock film trap scrap (bridge) C 12 and the face D 13 and bottom plate 1.
The present apparatus use process is as follows: in use, by moving turbine blade tenon exhaust side plane and positioning pin 7 end
Face paste is closed, and basin side tooth form is bonded with the first positioning surface 23 of locating piece 2, drives mobile tooth form block 3 mobile by rotation screw 6,
Blade back side tooth form is positioned and compressed, part positioning compression is completed；As shown in Fig. 2, will test the datum level A and platform patch of device
Close, push general magnetic force dial framework, make the contact of dial gauge with to being contacted to surface A 91 on table pin 9, then by percentage list index
Zeroing pushes magnetic force dial framework, makes the contact of dial gauge and the tested A face contact of moving turbine blade, percentage meter reading can occur
Variation observes its reading whether in the required margin of tolerance, if judging the tested face A size qualification in the margin of tolerance, conversely,
Be determined as it is unqualified, then according to said method measure the face B；Then rotation detection device pastes the datum level D of detection device and platform
It closes, measure the face D according to the above method；Detection device is finally overturn, is bonded the datum level C of detection device with platform, by above-mentioned side
Method measures the face C size, completes blade lock film trap scrap (bridge) size detection, due to being matching measurement, each pair of surface is tested surface
Extend, each pair of surface size is designed by measured size nominal value, and tolerance takes 1/10th of measured size tolerance, completes turbine
The design of working-blade locking plate slot scrap (bridge) size detecting device.
Claims (8)
1. a kind of moving turbine blade locking plate slot scrap (bridge) size detecting device, which is characterized in that including bottom plate (1) and for positioning
Blade tenon is vented the positioning pin (7) of side plane, and wherein three sides of bottom plate (1) are respectively tri- datum levels of AB, C, D, AB,
C, tri- datum levels of D are parallel with the face A of blade lock film trap scrap (bridge), the face C and the face D respectively, and bottom plate is fixedly installed locating piece on (1)
(2), to table block (8) and to table pin (9), sliding is provided with the movable block (3) being oppositely arranged with locating piece (2) on bottom plate (1), fixed
Position block (2) and the end of movable block (3) are engaged with blade tenon, to being provided on table block (8) for measuring blade lock film trap
The face C of scrap (bridge) and the face D to surface C (81) and to surface D (82), table pin (9) upper end is provided with for measuring blade locking plate
The face A of slot scrap (bridge) and the face B 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 face A, the face B, the face C and the face D of locking plate slot scrap (bridge) when blade is fixed on bottom plate (1)
Design position is generally aligned in the same plane.
2. a kind of moving turbine blade locking plate slot scrap (bridge) size detecting device according to claim 1, which is characterized in that institute
It states and is additionally provided on bottom plate (1) guide plate (4), the through slot for being slidably matched with movable block (3), guide plate are offered on guide plate (4)
(4) it is provided with the screw (6) for driving movable block (3) mobile on, is provided with big cylindrical section on screw (6), on movable block (3)
It is provided with the first groove (32), the first groove (32) clearance fit being arranged on the big cylindrical section and movable block (3).
3. a kind of moving turbine blade locking plate slot scrap (bridge) size detecting device according to claim 2, which is characterized in that institute
It states guide plate (4) upper cover and closes the cover board (5) having for limiting movable block (3) sliding path.
4. a kind of moving turbine blade locking plate slot scrap (bridge) size detecting device according to claim 1, which is characterized in that institute
Stating locating piece (2) includes positioning region (21) and setting in the interconnecting piece (22) of positioning region (21) two sides, and positioning region (21) one end is set
It is equipped with the first positioning surface (23), the first positioning surface (23) is engaged with blade tenon side, and the thickness of interconnecting piece (22) is less than positioning
The thickness in portion (21).
5. a kind of moving turbine blade locking plate slot scrap (bridge) size detecting device according to claim 1, which is characterized in that institute
Stating to table block (8) includes the horizontal part and with horizontal part vertical protrusion fixed with bottom plate (1), and projection ends are provided with pair
Surface C (81) and to surface D (82).
6. a kind of moving turbine blade locking plate slot scrap (bridge) size detecting device according to claim 1, which is characterized in that institute
Stating bottom plate (1) is L shape, is fixedly connected to the lower end of table pin (9) with the horizontal surface portion of bottom plate (1).
7. a kind of moving turbine blade locking plate slot scrap (bridge) size detecting device according to claim 6, which is characterized in that institute
Stating to table pin (9) is step axle construction, including the small axis in sequentially connected upper end, the small axis of big axis and lower end from top to bottom, to table pin
(9) and bottom plate (1) is by the small axis connection in lower end, the upper surface of big axis lower end surface and bottom plate (1) horizontal surface portion to table pin (9)
Connect.
8. a kind of moving turbine blade locking plate slot scrap (bridge) size detecting device according to claim 1, which is characterized 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 CN107560519A (en) | 2018-01-09 |
| CN107560519B true 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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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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 |
-
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 |
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| CN107560519A (en) | 2018-01-09 |
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