CN209727652U - One kind is for detecting the torsion of aerial blade blade and curved device - Google Patents
One kind is for detecting the torsion of aerial blade blade and curved device Download PDFInfo
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- CN209727652U CN209727652U CN201920491278.1U CN201920491278U CN209727652U CN 209727652 U CN209727652 U CN 209727652U CN 201920491278 U CN201920491278 U CN 201920491278U CN 209727652 U CN209727652 U CN 209727652U
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Abstract
The utility model discloses one kind for detecting the torsion of aerial blade blade and curved device, including pedestal, pedestal top is substrate, substrate is a plate, it is separately provided for supporting the blade root support and blade tip support of aerial blade blade to be measured lower surface at left and right sides of substrate, it is also used to make between blade root support and blade tip support to generate gap between substrate and aerial blade lower surface to be measured, the rear end of substrate, which upwardly extends, is provided with rear support, and the compactor for compressing aerial blade blade to be measured upper surface is equipped on rear support；It detachably installs in gap, between blade root support and blade tip support there are three the difference induction formula displacement linear transducer for the arrangement that is in line, three difference induction formula displacement linear transducers pass through data line respectively and connect different electron column amount instrument；The apparatus structure of the utility model is ingenious in design, rationally distributed, easy to use；Positioning stablity, clamping are reliable.
Description
[technical field]
The utility model belongs to aerial blade field of measuring technique, more particularly to a kind of for detecting the torsion of aerial blade blade
Turn and curved device.
[background technique]
Aerial blade is very important one kind part in aircraft engine parts.The shape of blade is often that complexity is not advised
Then curved surface, requirement on machining accuracy is relatively high, therefore measures it that more stringent requirements are proposed, and the most commonly used is use three-dimensional coordinates measurement
Machine is measured to complex-curved, but three coordinate measuring machine needs professional to operate, and to detection environmental requirement
Strictly, it has to aerial blade to be detected to move under normal conditions just to can be carried out detection in sensing chamber, be needed during this
Aerial blade is moved, it is greatly inconvenient to cause to detection and production, and detection efficiency is low, and testing cost is high.
[utility model content]
The purpose of the utility model is to provide one kind for detecting the torsion of aerial blade blade and curved device, Ke Yi
Workshop scene quickly carries out blade torsion and flexural measurement to aerial blade to be measured, does not need blade moving detection
Room improves detection and production efficiency, reduces testing cost.
The utility model uses following technical scheme: one kind being used to detect the torsion of aerial blade blade and curved device,
Including pedestal, pedestal top is substrate, and substrate is a plate, is separately provided for supporting aviation to be measured at left and right sides of substrate
The blade root support and blade tip support of blade blade lower surface, are also used to make substrate and boat to be measured between blade root support and blade tip support
Gap is generated between empty blade lower surface, the rear end of substrate, which upwardly extends, is provided with rear support, is equipped on rear support for pressing
The compactor of tight aerial blade blade to be measured upper surface；
Detachably there are three the difference inductions for the arrangement that is in line for installation in gap, between blade root support and blade tip support
Formula displacement linear transducer, three difference induction formula displacement linear transducers pass through data line respectively and connect different electronics
Column amount instrument；
Three difference induction formula displacement linear transducers are for three on contact measured aerial blade blade lower surface
Different measurement points, obtain the axial displacement information of three different measurement points, and are respectively sent to corresponding electron column amount instrument, electronics
Column amount instrument is used to judge according to axial displacement information that aerial blade blade to be measured to reverse and whether bending is qualified, and then shows and close
Lattice/underproof indication signal.
Further, the left and right ends of substrate are respectively mounted support component；
Each support component includes the slide being fixedly mounted on substrate and the cover board for being fixedly mounted on substrate side surfaces, often
The side of a slide towards cover board offers sliding slot, and being equipped in each sliding slot can be along the V-type supporting block that it is slided up and down, V
The bottom of type supporting block is installed on substrate by compression spring；
V-type opening is offered at the top of V-type supporting block, V-type is open the blade tip for accommodating and supporting aerial blade to be measured
It pushes up position boss or blade root pushes up position boss.
Further, one determines on the upper end type face of blade tip support there are two ball is positioned on the type face of blade root support upper end
Position ball, each positioning ball are used to be against the lower surface of aerial blade blade to be measured.
Further, rear support is L-type plate, and the first side plate is fixed on substrate, and is vertically arranged with substrate, second side
Plate horizontal direction blade root support and blade tip support direction extend, and are parallel to substrate, and compactor is mounted on the second side plate, and is located at
The top of blade root support and blade tip support.
Further, through-hole is offered on substrate and between blade root support and blade tip support, at least one sensor
It is removably mounted in through-hole, is provided with bushing between at least one sensor and corresponding through-hole.
The beneficial effects of the utility model are: the apparatus structure of the utility model is ingenious in design, rationally distributed, user
Just；Positioning stablity, clamping are reliable；It is easy to operate, and do not need to move blade to be detected, it is at workshop scene
Can be achieved to aerial blade blade torsion and curved rapid survey, correct unqualified blade immediately, be conducive to improve detection and
Production efficiency reduces testing cost, is especially suitable for high-volume and automatic production line.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the sectional view in the face A-A in Fig. 3.
Wherein: 1. bottom plates；2. pedestal；3. substrate；4. blade root support；5. blade tip support；6. slide；7.V type supporting block；8.
Cover board；9. rear support；10. bearing piece；11. lever；12. upper supporting plate；15. transverse slat；17. the first hold-down head；18. the second hold-down head；
20. bushing；21. compactor；23. positioning ball；31. compression spring.
[specific embodiment]
The utility model is described in detail with reference to the accompanying drawings and detailed description.
The utility model discloses one kind for detecting the torsion of aerial blade blade and curved device, as shown in Figure 1, packet
Pedestal 2 is included, the installation of pedestal 2 on the ground, there is a bottom plate 1 below in the present embodiment, and the upper surface of bottom plate two sides pass through left and right support
Plate is supported, and a gusset is also installed between left-and-right supporting plate, to increase the fastness of pedestal 2, in the bottom end of left-and-right supporting plate
One straight panel, as substrate 3 are installed.
On the substrate 3, the left and right sides is separately provided for supporting the blade root branch of aerial blade blade to be measured lower surface
Seat 4 and blade tip support 5, in the present embodiment, blade root support 4 and blade tip support 5 are all made of bulk, and top is according to aviation to be measured
The shape of blade specifically designs.By blade root support 4 and blade tip support 5 make the substrate 3 and aerial blade lower surface to be measured it
Between generate gap.
There are two ball 23 is positioned on 4 upper end type face of blade root support, left side is equipped with a positioning ball 23, blade tip support 5
There is a positioning ball 23 on the type face of upper end, 3 positioning balls 23 at top (on blade root support 4 one on two and blade tip support 5)
Be used to be against the lower surface of aerial blade blade to be measured, positioning ball 23 is spherosome, positioning 23 sphere of ball may insure with
The accuracy (each positioning ball 23 is tangent with aerial blade lower surface to be measured) of the contact of aerial blade to be measured, by positioning ball
23, it can determine there was only 4 supporting points between blade root support 4 and blade tip support 5 and the lower surface of aerial blade to be measured, define
The torsional displacement of aerial blade high and low position and blade both direction to be measured, realizes the balanced support of aerial blade to be measured.Blade root
Positioning ball 23 on 4 left side of support defines aerial blade to be measured for being against aerial blade blade root inner platform to be measured
Along the displacement of central axial direction.
In order to increase the stability of aerial blade to be measured, left and right ends on the substrate 3 are respectively mounted support component.Each
Support component includes the slide 6 being fixedly mounted on the substrate 3 and the cover board 8 for being fixedly mounted on 3 side of substrate, and slide 6 passes through spiral shell
On the substrate 3, the side of each slide 6 towards cover board 8 offers sliding slot, and being equipped in each sliding slot can be along thereon for nail connection
It is installed on the substrate 3 by compression spring 31 bottom of the V-type supporting block 7 of lower slider, V-type supporting block 7.
Slide 6 chooses bulk material, is mounted on substrate 3 and is close to its left and right sides, a left side for 8 adhesive substrates 3 of cover board
Right two sides installation, just can guarantee that cover board 8 is fitted on the lateral surface of slide 6, and to open up on 6 lateral surface of slide in this way
Sliding slot and cover board 8 formed V-type supporting block 7 accommodation space.
The top of V-type supporting block 7 offers 90 ° of V-type opening, and V-type is open for accommodating and supporting aerial blade to be measured
Blade tip positioning convex platform or blade root positioning convex platform, the sliding slot on the lower part of V-type supporting block 7 and slide 6 is fitted close, to guarantee it
Upper V-type face center only generates upper and lower displacement, and slides up and down along the chute, installs a compression spring in the lower end of V-type supporting block 7
31, the lower end of compression spring 31 is installed on the substrate 3, in this way, can make V-type supporting block 7 under the action of compression spring 31,
Upward sliding, and under the pressure of aerial blade to be measured, slide downward.Due to the effect of compression spring 31, two V-type supporting blocks
7 two inclined-plane of V type is close on the convex table top with aerial blade to be measured, acts on to limit aerial blade to be measured in level
Displacement and torsion in face.The aviation to be measured limited in conjunction with the positioning ball of top surface three on above-mentioned blade root support 4 and blade tip support 5
The displacement in one direction of blade and the torsion of both direction, the aviation leaf to be measured that the positioning ball of 4 left side of blade root support one limits
Piece is along a displacement of central axial direction, and by six-point positioning method, aerial blade to be measured is determined by complete positioning at this
On the fixture of embodiment.
As shown in Fig. 2, the rear end of substrate 3, which upwardly extends, is provided with rear support 9, be equipped on rear support 9 for compress to
Survey the compactor 21 of aerial blade blade upper surface.Specifically, rear support 9 is L template in the present embodiment, the first side plate is solid
Determine on the substrate 3, and be vertically arranged with substrate 3, bearing piece 10 and lever 11, bearing piece 10 and lever 11 are also equipped on the first side plate
It is hinged by a straight pin.11 one end of lever is equipped with a positioning ball 23, is used for contact measured aerial blade blade root
In the plate face of inner edge a bit, the height situation of aerial blade listrium to be measured is reacted by measuring this point.Lever 11 is corresponding another
End corresponds to a measurement sensor being mounted in bearing piece 10, passes through the effect of lever 11, the measurement sensor of one end head
It senses positioning 23 displacement information of ball on another end, obtains the height information of aerial blade listrium to be measured.
As shown in figure 3, articulated cylinder pin is biased to positioning 23 side of ball between bearing piece 10 and lever 11, a pressure is set
Spring 31, the effect of compression spring 31 are 23 side of positioning ball of promotion lever 11, and positioning ball 23 is made to resist leaf to be measured always
On the listrium of piece.
Second side plate (as upper supporting plate 12) horizontal direction blade root support 4 and 5 direction of blade tip support extend, and are parallel to substrate
3, compactor 21 is mounted on the second side plate, and is located at the top of blade root support 4 and blade tip support 5, in the lower end of compactor 21
A transverse slat 15,15 length direction of transverse slat and aviation leaf to be measured are installed in portion, i.e., the position being in contact with aerial blade upper surface to be measured
Leaf length direction is consistent, and both ends are respectively arranged with the first hold-down head 17 and the second hold-down head 18 below transverse slat 15.
In this way, in the lower surface of aerial blade to be measured, there are three positioning ball supports, and combine two V-type supporting blocks 7
Limit can be easily in the first hold-down head 17 and the second hold-down head 18 that cooperation is pressed on aerial blade upper surface to be measured
Realize fixation of the aerial blade to be measured in the present apparatus.
The utility model is additionally provided with detection device, as shown in figure 4, between substrate 3 and the following face of aerial blade to be measured
Gap on, between blade root support 4 and blade tip support 5 detachably installation there are three difference induction formula displacement linear sensing
Device, three difference induction formula displacement linear transducers are linearly arranged, and perpendicular with blade length direction, i.e. blade tip
A difference induction formula displacement linear transducer is respectively arranged in section inlet and outlet side, and blade blade intermediate cross-section is close to central axis
A difference induction formula displacement linear transducer is arranged in position, the DGC-8ZP/B type of commercial weight instrument company in the selection of this sensor
(axial type) difference induction formula displacement linear transducer, this difference induction formula displacement linear transducer have repetitive error
0.2 μm, measurement range ± 0.5mm, total kilometres 3.0mm, measurement accuracy is high, is quick on the draw.
Through-hole, three difference induction formula displacements are offered on substrate 3 and between blade root support 4 and blade tip support 5
Linear transducer is removably mounted in through-hole, and bushing 20 is provided between sensor and corresponding through-hole.Table on the substrate 3
On face, angularly disposed screw around each through-hole, be screwed by screw and hold out against bushing 20, to grip difference induction formula position
Shifting amount linear transducer.
Each difference induction formula displacement linear transducer passes through data line respectively and is connected to different electron column amount instrument, this electricity
The DZL-1B electron column amount instrument of commercial weight instrument company, is also electron column inductance amesdial, DZL-1B type electronics in sub- column amount instrument selection
Column inductance amesdial is a kind of precision instrument of adapted difference induction formula displacement linear transducer realization high-acruracy survey, is one
Kind light, electrical integrated novel amount instrument, it uses novel comparison circuit, forms Column being luminous indicating circuit by 101 luminous tubes.
This instrument show using two-color electronic column, judged with the red of light beam, green character measured workpiece qualification and it is overproof whether,
It is very intuitive rapid, while needing to realize by number display when pin-point reading.Measurement error is 0.1 μm, power supply mode
For 220V, 50Hz/60Hz.This electron column amount instrument can connect as needed, multiple groups electron column amount instrument can with assembled side-by-side together,
Facilitate observation and saves space.
Each difference induction formula displacement linear transducer by with the contact of each measurement point of aerial blade blade to be measured, each difference
The axis shift information that the gauge head of dynamic inductance formula displacement linear transducer generates, is sent to each electron column by data line respectively
Measure instrument, the light beam high and low position and color on each electron column amount instrument be can be used to judge the qualification of measured workpiece with it is overproof whether.
Pieces O.K. is let off, and overproof part is bent and is turned round in other calibration equipments according to the offset distance of electron column amount instrument light beam
It after transferring to another school just, refills to be clipped in the present apparatus and measures, let off after qualified.
The utility model, which fully achieves, determines functional requirement, meets production, compact-sized, and positioning is reliable, operation side
Just quick, it is high-efficient, it is especially suitable for high-volume and automatic production line.
Claims (5)
1. one kind is for detecting the torsion of aerial blade blade and curved device, which is characterized in that including pedestal (2), the bottom
Seat (2) top is substrate (3), and the substrate (3) is a plate, is separately provided for propping up at left and right sides of the substrate (3)
Support the blade root support (4) and blade tip support (5) of aerial blade blade to be measured lower surface, the blade root support (4) and blade tip support
(5) it is also used to make to generate between the substrate (3) and aerial blade lower surface to be measured gap, the rear end of the substrate (3) between
It upwardly extends and is provided with rear support (9), be equipped on the rear support (9) for compressing aerial blade blade to be measured upper surface
Compactor (21)；
Detachably there are three the differences for the arrangement that is in line for installation in the gap, between blade root support (4) and blade tip support (5)
Dynamic inductance formula displacement linear transducer, three difference inductions formula displacement linear transducer are connected by data line respectively
Different electron column amount instrument；
Three difference inductions formula displacement linear transducer is for three on contact measured aerial blade blade lower surface
Different measurement points, obtain the axial displacement information of three different measurement points, and are respectively sent to corresponding electron column amount instrument, described
Electron column amount instrument is used to judge according to the axial displacement information that aerial blade blade to be measured to reverse and whether bending is qualified, in turn
Qualified/underproof indication signal of display.
2. as described in claim 1 a kind of for detecting the torsion of aerial blade blade and curved device, which is characterized in that institute
The left and right ends for stating substrate (3) are respectively mounted support component；
Each support component includes the slide (6) being fixedly mounted on substrate (3) and is fixedly mounted on substrate (3) side
Cover board (8), the side of each slide (6) towards the cover board (8) offers sliding slot, and being equipped in each sliding slot can
The bottom of the V-type supporting block (7) slided up and down along it, the V-type supporting block (7) is mounted on the base by compression spring (31)
On plate (3)；
V-type opening is offered at the top of the V-type supporting block (7), the V-type opening is for accommodating and supporting aerial blade to be measured
Blade tip top position boss or blade root push up position boss.
3. as claimed in claim 1 or 2 a kind of for detecting the torsion of aerial blade blade and curved device, feature exists
In having one on the upper end type face of the blade tip support (5) there are two ball (23) are positioned on blade root support (4) the upper end type face
A positioning ball (23), each positioning ball (23) are used to be against the lower surface of aerial blade blade to be measured.
4. as claimed in claim 1 or 2 a kind of for detecting the torsion of aerial blade blade and curved device, feature exists
In, the rear support (9) is L-type plate, and the first side plate is fixed on the substrate (3), and is vertically arranged with substrate (3), the
Two side plate horizontal direction blade root supports (4) and blade tip support (5) direction extend, and are parallel to the substrate (3), the compactor
(21) it is mounted on the second side plate, and is located at the top of the blade root support (4) and blade tip support (5).
5. as claimed in claim 1 or 2 a kind of for detecting the torsion of aerial blade blade and curved device, feature exists
In offering through-hole on the substrate (3) and between blade root support (4) and blade tip support (5), at least one described biography
Sensor is removably mounted in the through-hole, and bushing (20) are provided between at least one described sensor and corresponding through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920491278.1U CN209727652U (en) | 2019-04-12 | 2019-04-12 | One kind is for detecting the torsion of aerial blade blade and curved device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920491278.1U CN209727652U (en) | 2019-04-12 | 2019-04-12 | One kind is for detecting the torsion of aerial blade blade and curved device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209727652U true CN209727652U (en) | 2019-12-03 |
Family
ID=68691248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920491278.1U Active CN209727652U (en) | 2019-04-12 | 2019-04-12 | One kind is for detecting the torsion of aerial blade blade and curved device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209727652U (en) |
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2019
- 2019-04-12 CN CN201920491278.1U patent/CN209727652U/en active Active
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