CN205718888U - A kind of static demarcating device for tip clearance sensor - Google Patents
A kind of static demarcating device for tip clearance sensor Download PDFInfo
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- CN205718888U CN205718888U CN201620333591.9U CN201620333591U CN205718888U CN 205718888 U CN205718888 U CN 205718888U CN 201620333591 U CN201620333591 U CN 201620333591U CN 205718888 U CN205718888 U CN 205718888U
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Abstract
This utility model relates to sensor detecting field, relates to a kind of static demarcating device for tip clearance sensor, including: tip clearance sensor；Leaf model, leaf model is around the test surface of the blade tip inswept tip clearance sensor of rotation of a rotation axis rotation and this leaf model；Distance regulating mechanism, for adjusting the distance between leaf model and tip clearance sensor；Wherein, leaf model has the blade face curvature identical with actual blade.A kind of static demarcating device for tip clearance sensor that this utility model provides, owing to using the leaf model identical with the blade face profile of real engine blade to carry out static demarcating, therefore, it can the true calibration characteristic detecting tip clearance sensor exactly when actually used.
Description
Technical field
This utility model relates to sensor detecting field, particularly relates to a kind of between blade tip
The static demarcating device of gap sensor.
Background technology
At present, the sensor of the tip clearance of detection engine blade is carried out static demarcating
Method, it is common that be arranged on vane clamping mechanism by multiple prismatic blades, then by front and back adjusting
Distance between joint tip clearance sensor and prismatic blade, thus this tip clearance sensor is entered
Row static demarcating.
The caliberating device of existing a kind of tip clearance sensor being applied to above-mentioned scaling method,
Including driving means, displacement platform mechanism and support frame mechanism；Driving means is motor, electricity
Machine connects rotating disk by actuating device, and drives rotating disk in the vertical direction to rotate；Displacement is put down
Platform mechanism make the tip clearance sensor installed on it away from or near rotating disk；Support frame machine
Structure is used for fixed drive device and drive mechanism.Wherein, this caliberating device utilizes dishpan simulation to send out
Motivation impeller, specifically, rotating disk is fluted disc, and each tooth on fluted disc sets along the radial direction of fluted disc respectively
Put, and the flank of tooth of each tooth axially in parallel with fluted disc respectively.
In the caliberating device of above-mentioned tip clearance sensor, the flank of tooth of each tooth on rotating disk is flat
Face, and the flank of tooth of each tooth axially in parallel with fluted disc respectively；Real engine blade is then
Contour curvature, and when being installed on electromotor, the flank of tooth of engine blade typically has certain angle
Degree, therefore, the caliberating device of this tip clearance sensor cannot detect tip clearance exactly
The sensor true calibration characteristic when actually used.
Additionally, prior art also discloses the caliberating device of another kind of tip clearance sensor,
This caliberating device mainly solves the geometry of simulation blade and real blade and there is difference, nothing
The problem in the existing gap between real blade and casing of body of laws.This caliberating device is arranged at reality
On casing and impeller；Including for installing the impeller rotating mechanism of impeller and for impeller is rotated
The rotary shaft of mechanism carries out the clearance adjustment mechanism of adjustment of displacement；Clearance adjustment mechanism is used for adjusting
The position of rotary shaft；Rotary shaft is provided with the impeller fixture for fixing impeller；Impeller whirler
Structure is fixed in mounting bracket.
Owing to using actual impeller to demarcate, therefore, this caliberating device solves mould really
Intend the problem that the geometry of blade and real blade exists difference.But, it drives impeller to turn
Dynamic device is motor, and when motor driven impeller rotates, blade inevitably goes out
Existing circular runout, thus affect the accuracy of Static Calibration of Sensor.It addition, this caliberating device
Being to improve on actual electromotor, causing clearance adjustment mechanism is multi-range transmission,
And need the distance changing between position adjustments tip clearance sensor and the blade of impeller, not only
Structure is complicated, inconvenient operation, and moves it when impeller rotates, also can be to leaf
The state of wheel produces certain impact, thus has influence on and tip clearance sensor carries out static mark
Fixed accuracy.
Utility model content
A purpose of the present utility model is to provide a kind of static mark for tip clearance sensor
Determine device, owing to using the leaf model identical with the blade face profile of real engine blade to carry out
Static demarcating, therefore, it can to detect exactly that tip clearance sensor is when actually used
True calibration characteristic.
To achieve these goals, this utility model takes following technical scheme:
According to an aspect of the present utility model, it is provided that a kind of for tip clearance sensor
Static demarcating device, including: tip clearance sensor；Leaf model, leaf model is around one
The blade tip of rotation axis rotation and this leaf model rotates the detection of inswept tip clearance sensor
Face；Distance regulating mechanism, for adjusting the distance between leaf model and tip clearance sensor；
Wherein, leaf model has the blade face curvature identical with actual blade.
According to another aspect of the present utility model, leaf model tilts to set relative to rotation axis
Put, and angle of inclination is identical with the angle of inclination of actual blade.
According to another aspect of the present utility model, leaf model is multiple and around rotary shaft
Line is evenly arranged.
According to another aspect of the present utility model, the adjacent angle between two leaf models
Being 360 °/N, wherein N is the sum of actual blade.
According to another aspect of the present utility model, the detection direction of tip clearance sensor and rotation
Shaft axis intersects vertically.
According to another aspect of the present utility model, also include, be used for installing leaf model and
Drive the rotary support mechanism that this leaf model rotates.
According to another aspect of the present utility model, rotary support mechanism includes guiding mechanism, uses
The rotary motion around rotation axis is done in guide blades model.
According to another aspect of the present utility model, rotary support mechanism includes for fixing blade
The clamping device of model.
According to another aspect of the present utility model, tip clearance sensor is arranged on spacing regulation
In mechanism.
According to another aspect of the present utility model, tip clearance sensor is microwave remote sensor.
The static demarcating for tip clearance sensor according to this utility model embodiment is used to fill
Put, sent out by the contour structures simulation reality making leaf model that this static demarcating device used
Motivation blade, and ensure that leaf model is sent out with the reality using tip clearance sensor to be calibrated
The blade face profile of motivation blade is identical, so that this static demarcating device can apply to multiple leaf
The static demarcating of intercuspal space sensor, and detect that tip clearance sensor is in reality exactly
True calibration characteristic during use.
Accompanying drawing explanation
Describe below with reference to the accompanying drawings the feature of this utility model exemplary embodiment, advantage and
Technique effect.
Fig. 1 be illustrate according to an embodiment of the present utility model for tip clearance sensor
The front view of static demarcating device；
Fig. 2 is the knot illustrating the static demarcating device for tip clearance sensor shown in Fig. 1
Structure schematic diagram；
Fig. 3 is the structural representation illustrating the blade fixture according to an embodiment of the present utility model
Figure；
Fig. 4 is the structural representation illustrating the leaf model according to an embodiment of the present utility model
Figure；
Fig. 5 is to illustrate the structure rotating supporting mechanism according to an embodiment of the present utility model
Schematic diagram；
Fig. 6 is the structure illustrating the distance regulating mechanism according to an embodiment of the present utility model
Schematic diagram；
Fig. 7 is that the structure illustrating the clamp of sensor according to an embodiment of the present utility model is shown
It is intended to.
In the accompanying drawings, the element that identical symbology is identical, wherein, 1: base plate；2:
Distance regulating mechanism；21: micrometer；22: the second mobile platforms；23: the first mobile platforms；3:
Clamp of sensor；31: clamp of sensor lower plate；32: clamp of sensor upper plate；33: screw thread
Hole；4: rotate supporting mechanism；41: guide rail；42: slide block；5: blade fixture；51: even
Meet portion；52: clamping part；53: skewed slot；6: leaf model；61: blade face；62: the first ends
Face；63: blade tip；64: root；65: the second end faces.
Detailed description of the invention
Make to retouch the most in detail to embodiment of the present utility model with embodiment below in conjunction with the accompanying drawings
State.The detailed description and the accompanying drawings of following example are of the present utility model former for exemplarily illustrating
Reason, but can not be used for limiting scope of the present utility model, i.e. this utility model and be not limited to described
Preferred embodiment, scope of the present utility model is defined by the claims.
In description of the present utility model, it should be noted that except as otherwise noted, " multiple "
It is meant that two or more；Term " on ", D score, the instruction such as "left", "right"
Orientation or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State this utility model and simplify description rather than instruction or imply that the device of indication or element are necessary
There is specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this reality
With novel restriction.Additionally, term " first ", " second " etc. are only used for describing purpose, and
It is not intended that instruction or hint relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clear and definite regulation
And restriction, term " is installed ", " connection " should be interpreted broadly, and connects for example, it may be fixing
Connect, it is also possible to be to removably connect, or be integrally connected；Can be to be joined directly together, it is also possible to
It is indirectly connected to by intermediary.For the ordinary skill in the art, the most specifically
Situation understands above-mentioned term concrete meaning in this utility model.
In order to be more fully understood that this utility model, below in conjunction with Fig. 1-7 to according to this utility model
The static demarcating device for tip clearance sensor of embodiment is described in detail.
Fig. 1 show according to an embodiment of the present utility model for tip clearance sensor
The front view of static demarcating device.As it can be seen, this static demarcating device include leaf model 6,
Rotate supporting mechanism 4, distance regulating mechanism 2 and base plate 1.Wherein, shown in figure a reality
The base plate 1 executing example is horizontally disposed with, and rotates supporting mechanism 4 and distance regulating mechanism 2 is fixed respectively
On base plate 1, and rotation supporting mechanism 4 is arranged at the right side of base plate 1 in figure, and spacing regulates
Mechanism 2 is arranged at the left side of base plate 1 in figure.It should be noted that the process demarcated in reality
In, distance regulating mechanism 2 can also be relatively arranged on the right side rotating supporting mechanism 4, or
Arrange, as long as ensure that and make spacing before and after distance regulating mechanism 2 and rotation supporting mechanism 4
The tip clearance sensor to be calibrated installed on governor motion 2 sets in supporting mechanism 4 with rotating
The leaf model 6 put is oppositely arranged.
Distance regulating mechanism 2 is with tip clearance sensor to be calibrated by clamp of sensor 3 even
Connect, and drive tip clearance sensor to be calibrated away from or near the leaf of leaf model 6
Point 63, makes tip clearance sensor to be calibrated can detect direction relative to leaf model along it
The blade tip 63 of 6 moves.Rotate supporting mechanism 4 to be connected by clamping device with leaf model 6,
And drive leaf model 6 in the horizontal direction or on vertical direction with a rotation axis for rotating
Center rotates, and makes leaf model 6 rotatably from the one of tip clearance sensor to be calibrated
Sidespin goes to opposite side, so that the inswept tip clearance sensor to be calibrated of leaf model 6
Test surface.Wherein, the process moved at tip clearance sensor to be calibrated and leaf model 6
In, need to be always ensured that the detection direction of tip clearance sensor to be calibrated is along leaf model 6
Longitudinal centre line is arranged, and the longitudinal centre line of this leaf model 6 is for being perpendicular to rotation axis direction
On centrage, and be always ensured that detection direction and the leaf of tip clearance sensor to be calibrated
The rotation axis of sheet model 6 intersects vertically, and i.e. ensures that tip clearance sensor to be calibrated is permissible
Just leaf model 6 is detected, and and do not have angle to produce between leaf model 6, prevent
There is error in timing signal, affects the accuracy of static demarcating.
To distance regulating mechanism 2, rotation supporting mechanism 4 and tip clearance sensor to be calibrated
Position when being configured, not only need in view of distance regulating mechanism 2 and blade tip to be calibrated
The axis of gap sensor needs to overlap, so that distance regulating mechanism 2 can drive exactly
Tip clearance sensor to be calibrated moves, and ensure mobile after for actual to be calibrated
Tip clearance sensor and leaf model 6 between spacing accurate positioning；It is contemplated that treat
The detection direction of the tip clearance sensor demarcated needs the rotation being perpendicular to rotate supporting mechanism 4
Axis, makes leaf model 6 rotate to just detection faces to tip clearance sensor to be calibrated,
And blade tip 63 direction of leaf model 6 and the detection direction of tip clearance sensor to be calibrated
During coincidence, it is ensured that the measurement result of tip clearance sensor to be calibrated does not has error.Fig. 2 enters
Show to one step according to an embodiment of the present utility model for tip clearance sensor
The structural representation of static demarcating device.Can more specifically find out from figure, base plate 1 is square
Shape flat board, distance regulating mechanism 2 and rotation supporting mechanism 4 are arranged along the length direction of base plate 1,
And in distance regulating mechanism 2, rotation supporting mechanism 4 and tip clearance sensor to be calibrated
The heart is positioned on the longitudinal centre line of base plate 1, thus ensure tip clearance sensor to be calibrated
Measurement direction passes midpoint and the rotation axis of the rotational trajectory of leaf model 6.But,
The position of distance regulating mechanism 2, rotation supporting mechanism 4 and tip clearance sensor to be calibrated is not
Uniquely, as long as meet and ensure that distance regulating mechanism 2 and blade tip 63 gap to be calibrated pass
The dead in line of sensor, the detection direction of tip clearance sensor to be calibrated are perpendicular to rotate and prop up
Hold the rotation axis of mechanism 4, to guarantee the requirement of the set-up mode of certainty of measurement.
Further, by Fig. 2 it can be seen that the blade tip 63 of leaf model 6 is towards to be calibrated
The direction of tip clearance sensor is arranged, and the root 64 of leaf model 6 is arranged at rotary driving machine
On structure, and leaf model 6 is arranged along the direction being perpendicular to rotation axis.
The quantity of leaf model 6 is multi-disc, and wherein, more blades model 6 is around rotation axis
It is evenly arranged.In an embodiment shown in the figure, the quantity of leaf model 6 is three,
In another embodiment, the quantity of leaf model 6 can be two panels, in another embodiment
In, the quantity of leaf model 6 can also be more.The quantity of this concrete leaf model 6 can
With according to rotating the size of supporting mechanism 4, the size of leaf model 6, the rotation of leaf model 6
The difference of the correlative factors such as the angle between gyration and leaf model 6 and arrange.It addition,
The adjacent angle between two panels leaf model 6 is: 360 °/N, and wherein, N is actual starting
The blade amt of machine blade.Such as, in one embodiment, use between this blade tip to be calibrated
The blade quantity of the real engine of gap sensor is 42, then between two panels leaf model 6
Angle is 8.57 °.In another embodiment, the tip clearance sensor that this is to be calibrated is used
The blade quantity of real engine be 36, then the angle between two panels leaf model 6 is
10°.Ensure that the angle between two leaf models 6 senses with using tip clearance to be calibrated
The purpose that the angle of the blade of the real engine of device is consistent, be in order in rating test accurately
The installation form of the blade of simulation real engine, for tip clearance sensor to be calibrated
Demarcation provides data accurately.
Fig. 3 shows the structural representation of the blade fixture according to an embodiment of the present utility model
Figure.The clamping device of shown in figure a embodiment is blade fixture 5, and clamping device is all right
There is clamping and the device of fixation for other, such as fixture, mechanical hand, can be with arbitrarily
The threaded bolt etc. of leaf model can clamp leaf model 6 and be fixed by leaf model 6
In the device rotated in supporting mechanism 4.Wherein, the blade folder of shown in Fig. 3 a embodiment
Tool 5 includes that connecting portion 51 and clamping part 52, connecting portion 51 are horizontally disposed sector flat plate,
Clamping part 52 is vertically fixed on the outer rim of connecting portion 51.Clamping part 52 is and connecting portion 51
The arc-shaped surface that outer rim shapes and sizes match, and concentric with the center of circle in sector flat plate face.
Connecting portion 51 and clamping part 52 can integrally connect, it is also possible to removably connect.Work as connecting portion
51 and clamping part 52 when being situation about removably connecting, the connection of connecting portion 51 and clamping part 52
Place can be connected by claw, draw-in groove, it is also possible to is bolted.It should be noted that
The shape of connecting portion 51 and clamping part 52 is not limited to above-mentioned described shape, and connecting portion 51 is also
Can be other shapes, as long as disclosure satisfy that the requirement of the installation form for leaf model 6
?.
Clamping device makes leaf model 6 arrange along an end face to another end slope, Fig. 3
Shown in the clamping part 52 of blade fixture 5 of an embodiment be provided with for installing blade mould
The skewed slot 53 of type 6, skewed slot 53 is the groove offered in the top exterior walls of clamping part 52.?
In another embodiment, clamping part 52 can arrange outwardly projection, skewed slot 53 can
Think the groove offered on projection.Skewed slot 53 is used for plugging the root 64 of leaf model 6, and
The blade tip 63 making leaf model 6 is arranged towards tip clearance sensor to be calibrated.Skewed slot 53
There is certain angle, make leaf model be obliquely installed relative to rotation axis, though blade mould
Type 6 is along the first end face 62 inclining in the second end face 65 is obliquely installed into such as the embodiment of Fig. 2
Ramp-like state, thus ensure that the angle of inclination of leaf model 6 passes with using tip clearance to be calibrated
The angle of inclination of the blade of the real engine of sensor is identical, simulates exactly in rating test
The installation form of the blade of real engine, the demarcation for tip clearance sensor to be calibrated carries
For data accurately.
Fig. 4 shows the structural representation of the leaf model according to an embodiment of the present utility model
Figure.As shown in FIG., the blade face 61 of leaf model 6 both sides is as curved surface, makes leaf model
6 is identical with the blade face profile of the real engine blade using tip clearance sensor to be calibrated.
Specifically, leaf model 6 can be to use the actual of tip clearance sensor to be calibrated to start
The model of the blade scaled down of machine, thus ensure leaf model 6 and use leaf to be calibrated
The blade of the real engine of intercuspal space sensor is identical, simulates reality in rating test exactly
The blade of border electromotor is with the contour structures of curvature, for tip clearance sensor to be calibrated
Demarcation provides data accurately.It addition, the root 64 of leaf model 6 is additionally provided with Plug Division, should
Plug Division is in the skewed slot 53 inserting blade fixture 5 and makes leaf model 6 be fixed on blade folder
In the skewed slot 53 of tool 5, thus leaf model 6 is fixed with blade fixture 5.
Rotate supporting mechanism 4 also include for guide blades model 6 rotate guiding mechanism,
Specifically, guiding mechanism includes the guiding piece for fixing leaf model 6 and for guiding it to transport
Dynamic guide.Further, Fig. 5 shows according to an embodiment of the present utility model
Rotate the structural representation of supporting mechanism.Wherein, rotate supporting mechanism 4 and drive leaf model 6
Rotating in the horizontal direction, its guiding mechanism is guide rail 41, and guide is slide block 42, guide rail 41
For the arc-shaped rail concentric with the center of rotation of leaf model 6, the midpoint of arc-shaped rail is
The midpoint of the rotational trajectory of leaf model 6.Slide block 42 is slidably connected to the upper surface of guide rail 41,
The upper surface of slide block 42 connects the connecting portion 51 of blade fixture 5, and slide block 42 is for band moving vane
Model 6 rotates on guide rail 41.In another kind of embodiment, slide block 42 can also the company of slip
It is connected on the outer wall of guide rail 41.In another embodiment, slide block 42 may be replaced with
Pulley etc. other can drive the device that leaf model 6 moves along the rail.Implement at another
In example, use pulley as on the device of guiding piece, it is also possible to driving means is set, such as electricity
Machine, thus control leaf model and automatically move with uniform velocity along guide rail 41.
Fig. 6 shows the structure of the distance regulating mechanism according to an embodiment of the present utility model
Schematic diagram.Distance regulating mechanism 2 includes first mobile platform the 23, second mobile platform 22 and thousand
Divide chi 21.First mobile platform 23 is connected by slide rail with the second mobile platform 22, and slide rail can
To be arranged at the second mobile platform 22 upper surface, it is also possible to be arranged at the second mobile platform 22
Both sides.Micrometer 21 is fixed on the one end on the second mobile platform 22 away from leaf model 6,
And micrometer 21 is arranged along the center position of tip clearance sensor to be calibrated.Micrometer 21
Drive the first mobile platform 23 drive tip clearance sensor to be calibrated do away from, near blade
The reciprocating motion of the blade tip 63 of model 6.It should be noted that drive the first mobile platform 23
Relative to the driver element moved with the second mobile platform 22 in addition to micrometer 21, it is also possible to adopt
Drive with the digital control type with motor, pulley, controller, display, keyboard and range sensor
Moving cell, range sensor is for measuring tip clearance sensor to be calibrated and leaf model 6
Blade tip 63 between distance, and by measurement feedback to controller, keyboard is for control
Input control command in device, the measurement knot that controller feeds back according to control command and range sensor
Really, controlling driven by motor pulley and move by its instruction sent, display is used for showing current shape
State, distance between tip clearance sensor to be calibrated and the blade tip 63 of leaf model 6 and
The information such as control command.
Fig. 7 shows that the structure of the clamp of sensor according to an embodiment of the present utility model is shown
It is intended to.Clamp of sensor 3 includes clamp of sensor upper plate 32 and clamp of sensor lower plate 31, its
Middle clamp of sensor lower plate 31 is used for being connected with the first mobile platform 23, clamp of sensor upper plate
32 are provided with screwed hole 33, and tip clearance sensor threads is connected and fixed in this screwed hole 33.
The static demarcating device for tip clearance sensor according to this utility model embodiment can
It is applicable to any kind of tip clearance sensor is carried out static demarcating, especially microwave sensing
Device.When tip clearance sensor to be calibrated is microwave remote sensor, need to ensure microwave sensing
Device is 0-3mm with the spacing range of the blade tip 63 of leaf model 6, makes demarcation distance be arranged on micro-
In the range of the measurement of ripple signal, thus ensure the accuracy of static demarcating.
According to the static demarcating device for tip clearance sensor of this utility model embodiment,
Being attached by bolt respectively between each structure, its erection sequence can be: at base plate 1
Upper elder generation installing space governor motion 2 successively, clamp of sensor 3 and tip clearance to be calibrated sensing
Device, position corresponding on base plate 1 the most again is installed and is rotated supporting mechanism 4, blade fixture 5
With leaf model 6.
The static demarcating device for tip clearance sensor according to this utility model embodiment
Using method is: after this static demarcating device installation, makes to be positioned at the leaf model 6 of centre
Centrally disposed along base plate 1, i.e. make to be positioned at the leaf model 6 of centre and blade tip to be calibrated
Gap sensor is just to setting；Rotate micrometer 21 and regulate distance regulating mechanism 2, make to be calibrated
The signal transmitting terminal of tip clearance sensor be affixed with the blade tip 63 of leaf model 6, now,
Tip clearance sensor to be calibrated is 0mm with the distance of the blade tip 63 of leaf model 6, at this
On the basis of, control micrometer 21 drive tip clearance sensor to be calibrated with leaf model 6
The distance of blade tip 63 regulate to optional position in 0-3mm；Then, move slide block 42 to arrive
One end of guide rail 41, from the beginning of this end of guide rail 41, controls slide block 42 and drives leaf model 6
Guide rail 41 slides, so that leaf model 6 rotates, and makes each leaf model 6 successively
Inswept tip clearance sensor to be calibrated, so that tip clearance sensor measurement to be calibrated
Distance between itself and the blade tip 63 of leaf model 6, according to measurement result and the reading of micrometer
Calculate and analyze, obtain the measurement error of tip clearance sensor to be calibrated, to treat
The tip clearance sensor demarcated carries out static demarcating.
In sum, according to the static state for tip clearance sensor of this utility model embodiment
Caliberating device, by the contour structures of blade of accurate simulation real engine, installation form and
Rotation formula, provides data accurately for the demarcation of tip clearance sensor to be calibrated, therefore,
The tip clearance sensor true calibration characteristic when actually used can be detected exactly.Separately
Outward, according to the static demarcating device for tip clearance sensor of this utility model embodiment also
There is simple in construction, low cost and advantage easy and simple to handle.
The content that described and explanation the embodiment of this utility model is protected for this utility model
Being illustrative and be not restrictive, it is therefore to be understood that be, above-described embodiment only illustrates and retouches
Having stated preferred version of the present utility model, all in claims limited range are repaiied
Change example and equivalent arrangements belongs to the content that this utility model is protected.
Claims (10)
1. for a static demarcating device for tip clearance sensor, including:
Tip clearance sensor；
Leaf model, described leaf model rotates and this leaf model around a rotation axis
Blade tip rotates the test surface of inswept described tip clearance sensor；
Distance regulating mechanism, be used for adjusting described leaf model and described tip clearance sensor it
Between distance；Wherein,
Described leaf model has the blade face curvature identical with actual blade.
Static demarcating device the most according to claim 1, wherein, described leaf model phase
Described rotation axis is obliquely installed, and the inclining of described angle of inclination and described actual blade
Rake angle is identical.
Static demarcating device the most according to claim 1, wherein, described leaf model is
Multiple and be evenly arranged around described rotation axis.
Static demarcating device the most according to claim 3, wherein, described in adjacent two
Angle between leaf model is 360 °/N, and wherein N is the sum of described actual blade.
Static demarcating device the most according to claim 1, wherein, described tip clearance passes
The detection direction of sensor intersects vertically with described rotation axis.
Static demarcating device the most according to claim 1, also includes, is used for installing described
Leaf model and drive the rotary support mechanism that this leaf model rotates.
Static demarcating device the most according to claim 6, wherein, described rotation support machine
Structure includes guiding mechanism, for guiding described leaf model to do the rotation around described rotation axis
Motion.
Static demarcating device the most according to claim 6, wherein, described rotation support machine
Structure includes the clamping device for fixing described leaf model.
Static demarcating device the most according to claim 1, wherein, described tip clearance passes
Sensor is arranged on described distance regulating mechanism.
10. according to the static demarcating device according to any one of claim 1-9, wherein, institute
Stating tip clearance sensor is microwave remote sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620333591.9U CN205718888U (en) | 2016-04-20 | 2016-04-20 | A kind of static demarcating device for tip clearance sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620333591.9U CN205718888U (en) | 2016-04-20 | 2016-04-20 | A kind of static demarcating device for tip clearance sensor |
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| Publication Number | Publication Date |
|---|---|
| CN205718888U true CN205718888U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620333591.9U Active CN205718888U (en) | 2016-04-20 | 2016-04-20 | A kind of static demarcating device for tip clearance sensor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044835A (en) * | 2017-03-16 | 2017-08-15 | 厦门乃尔电子有限公司 | A kind of temperature compensation of engine tip clearance microwave test |
| CN110360910A (en) * | 2019-07-29 | 2019-10-22 | 无锡市艾尔福叶片有限公司 | Medium-and-large-sized stator blade overall length measuring tool and its measurement method |
| CN114719732A (en) * | 2022-06-08 | 2022-07-08 | 中国航发四川燃气涡轮研究院 | Static calibration method and device for blade tip clearance |
| CN110360910B (en) * | 2019-07-29 | 2024-05-10 | 无锡市艾尔福叶片有限公司 | Medium-and-large-sized stator blade total length measuring tool and measuring method thereof |
-
2016
- 2016-04-20 CN CN201620333591.9U patent/CN205718888U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044835A (en) * | 2017-03-16 | 2017-08-15 | 厦门乃尔电子有限公司 | A kind of temperature compensation of engine tip clearance microwave test |
| CN107044835B (en) * | 2017-03-16 | 2019-03-26 | 厦门乃尔电子有限公司 | A kind of temperature-compensation method of engine tip clearance microwave test |
| CN110360910A (en) * | 2019-07-29 | 2019-10-22 | 无锡市艾尔福叶片有限公司 | Medium-and-large-sized stator blade overall length measuring tool and its measurement method |
| CN110360910B (en) * | 2019-07-29 | 2024-05-10 | 无锡市艾尔福叶片有限公司 | Medium-and-large-sized stator blade total length measuring tool and measuring method thereof |
| CN114719732A (en) * | 2022-06-08 | 2022-07-08 | 中国航发四川燃气涡轮研究院 | Static calibration method and device for blade tip clearance |
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