CN108571937A - Crop leaf measuring fixture - Google Patents
Crop leaf measuring fixture Download PDFInfo
- Publication number
- CN108571937A CN108571937A CN201810184960.6A CN201810184960A CN108571937A CN 108571937 A CN108571937 A CN 108571937A CN 201810184960 A CN201810184960 A CN 201810184960A CN 108571937 A CN108571937 A CN 108571937A
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- China
- Prior art keywords
- mounting
- blade
- chuck body
- detected
- clamping
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cultivation Of Plants (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of crop leaf measuring fixtures, including：For with the fixed mounting base of the turntable of spatial digitizer, the chuck body for clamping blade to be detected is fixed on mounting base, chuck body is all around equipped with the more mounting columns being vertically arranged, the bottom end of each mounting column is fixed with mounting base, and more mounting columns enclose the ring of encirclement made of setting and are located therein the blade ring to be detected that chuck body is clamped.Multi-disc daylighting point is posted on each mounting column, daylighting point is used to indicate the far and near position of the blade relative dimensional scanner to be detected of chuck body clamping.In the crop leaf measuring fixture of the present invention, it can not only simplify the detecting step of blade to be detected, it is time saving and energy saving when making detection, and since fixture is reusable；The placement location and angle that blade is manually adjusted without operating personnel, not only make detecting step simple, and when detection is time saving and energy saving, and can shorten detection time, improve detection efficiency and accuracy of detection.
Description
Technical field
The present invention relates to clamp arts, particularly, are related to a kind of crop leaf measuring fixture.
Background technology
In order to improve the precision and flexibility of blade of aviation engine detection, after being scanned to blade using spatial digitizer
Detection.Before detection starts, reflective spot is pasted first on the surface of blade for indicating the far and near position of blade relative scanning instrument
It sets, then the blade for posting reflective spot is positioned on the turntable of scanner, finally open scanner and blade is scanned,
The 3D solid of data reconstruction blade of the scanner obtained by scanning blade, and the material object that the 3D solid and system are prestored
Entity is compared and precision analysis, finally show whether the blade of scanning is qualified.It need to be pasted on blade before starting due to scanning
Reflective spot, and the quantity of reflective spot is very more, so that this is cumbersome, time-consuming and laborious, and pastes reflective spot and needs centainly
Skill, therefore special messenger is needed to operate, and the cost of reflective spot is higher, due to reflective spot quantity more than and can not reuse, to
Keep testing cost very high；In addition, when detection, since blade is placed directly on the turntable of scanner, so scanning process
In, operating personnel need to repeatedly manually adjust the placement location and angle of blade, time-consuming to take to not only keep detection process cumbersome
Power, and detection time is extended, and then reduce detection efficiency.
Invention content
The present invention provides a kind of crop leaf measuring fixture, existing cumbersome, time-consuming expense when solving crop leaf measuring
The technical problem that power, testing cost are high and detection efficiency is low.
The technical solution adopted by the present invention is as follows：
A kind of crop leaf measuring fixture, including：For with the fixed mounting base of the turntable of spatial digitizer, install bottom
The chuck body for clamping blade to be detected is fixed on plate, chuck body is all around equipped with the more installations being vertically arranged
Pillar, bottom end and the mounting base of each mounting column are fixed, and more mounting columns enclose the ring of encirclement made of setting by chuck body
The blade ring to be detected of clamping is located therein；Multi-disc daylighting point is posted on each mounting column, daylighting point is for indicating fixture sheet
The far and near position of the blade relative dimensional scanner to be detected of body clamping.
Further, mounting base includes mounting portion, and the periphery of mounting portion is connected with the more installations radially extended
Strut；Chuck body is fixedly connected on mounting portion；It is vertically connected with a mounting column on each installation strut.
Further, chuck body includes being equipped with opposite sliding with the fixed mounting seat of mounting base, mounting seat
The two clamping plates of setting, two clamping plates are connected with for driving the opposite driving structure for drawing close clamping blade or relative separation of the two
Part, drive member are connected in mounting seat.
Further, the top of mounting seat is equipped with the guiding straight trough of indent；Drive member includes being supported on guiding straight trough
In installation support plate, be fixedly installed in installation support plate on screw drive, screw drive along be oriented to straight trough length direction
It extends to outside mounting seat；Two clamping plates, which are supported on, to be oriented in straight trough and is threadedly connected in the outer circle of screw drive, and two
Block clamping plate is divided into the both sides of installation support plate, with when screw drive rotates under external force, two clamping plates are straight along being oriented to
Slot is opposite to be drawn close or is relatively distant from.
Further, the slot bottom for being oriented to straight trough is equipped with the limiting slot of indent, and limiting slot is used for straight along being oriented to installation support plate
The length direction of slot is limited, and installation support plate rotating support is in limiting slot；Screw drive includes being fixedly installed in installation
Driving screw rod on support plate, driving screw rod along be oriented to straight trough length direction extend and its at least one end extends to mounting seat
Outside, the one end for extending mounting seat on screw rod is driven to be connected with for accepting external force to drive the handle spiral shell of drive screw turns
It is female.
Further, it is machined with the first external screw thread in the outer circle of the driving screw rod of the first side of installation support plate, is located at peace
It fills and is machined with the second external screw thread in the outer circle of the driving screw rod of support plate the second side, the rotation of both the first external screw thread and second external screw thread
To opposite；Be machined on the clamping plate of installation support plate the first side with the matched internal thread of the first external screw thread, be located at installation support plate
It is machined on the clamping plate of the second side and the matched internal thread of the second external screw thread.
Further, the clamp bar of evagination is respectively provided on the clamping face being oppositely arranged on two clamping plates, two clamping plates pass through two
Root clamp bar clamps blade to be detected.
Further, the mounting groove of indent is respectively provided on two side walls being oppositely arranged of clamping plate, mounting groove is along clamping plate
Moving direction extends；Chuck body further includes two block pressur plates for being pressed in clamping plate downwards in guiding straight trough, one of
Pressing plate is installed in two mounting grooves of two clamping plates side simultaneously, and another block pressur plate is installed on the two clamping plates other side simultaneously
In two mounting grooves.
Further, crop leaf measuring fixture further includes installation upper plate, installs and posts multi-disc daylighting point on upper plate；Each installation
The top of pillar is fixedly connected with installation upper plate.
Further, chuck body further includes top-pressure part, and top-pressure part, which is connected on installation upper plate and supports, is clamped in fixture
On blade to be detected on ontology, blade to be detected is pressed in chuck body downwards.
The invention has the advantages that：
The present invention crop leaf measuring fixture in, since daylighting point is affixed on each mounting column in advance, without
Detection pastes daylighting point before starting on blade to be detected, not only simplifies the detecting step of blade to be detected, time saving province when making detection
Power, and since fixture is reusable, so as to greatly reduce cost needed for detection；In addition, since blade to be detected is by pressing from both sides
Tool ontology is clamped and fastened on turntable, therefore in scanning process, placement location and the angle of blade are manually adjusted without operating personnel
Degree, not only makes detecting step simple, and when detection is time saving and energy saving, and can shorten detection time, improves detection efficiency and accuracy of detection.
Other than objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the schematic cross-sectional view of the crop leaf measuring fixture of the preferred embodiment of the present invention；
Fig. 2 be in Fig. 1 A-A to schematic cross-sectional view；
Fig. 3 is the overlooking structure diagram of Fig. 1.
Marginal data
10, mounting base；11, mounting portion；12, strut is installed；30, chuck body；31, mounting seat；32, clamping plate；33、
Drive member；331, support plate is installed；332, screw drive；34, clamp bar；35, pressing plate；40, mounting column；50, daylighting point；
60, upper plate is installed；70, top-pressure part.
Specific implementation mode
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Referring to Fig.1, the preferred embodiment of the present invention provides a kind of crop leaf measuring fixture, including：For being swept with three-dimensional
The fixed mounting base 10 of turntable of instrument (not shown) is retouched, is fixed on mounting base 10 for clamping blade to be detected (figure
Do not show) chuck body 30, chuck body 30 all around be equipped with the more mounting columns 40 being vertically arranged, each mounting column 40
Bottom end and mounting base 10 fix, and more mounting columns 40 enclose the ring of encirclement made of setting chuck body 30 is clamped it is to be checked
Blade ring is surveyed to be located therein.Multi-disc daylighting point 50 is posted on each mounting column 40, daylighting point 50 is for indicating chuck body 30
The far and near position of the blade relative dimensional scanner to be detected of clamping.
In the crop leaf measuring fixture of the present invention, since chuck body 30 is fixedly connected with mounting base 10, and more peaces
Dress pillar 40 is also fixedly connected with mounting base 10, to the leaf to be detected in detection process, being fixedly clamped by chuck body 30
The far and near position of piece each mounting column 40 relatively is constant, and mounting base 10 is fixedly connected with turntable, therefore each mounting column 40
The far and near position of relative dimensional scanner is constant, and because more mounting columns 40 enclose the ring of encirclement made of setting by chuck body 30
The blade ring to be detected of clamping is located therein, so when pasting multi-disc daylighting point 50 on each mounting column 40, daylighting point 50 can be marked
The far and near position for showing the blade relative dimensional scanner to be detected that chuck body 30 is clamped, when detection, scanner is according to scanning
The 3D solid of data reconstruction blade obtained by blade to be detected, and the physical entity that the 3D solid and system are prestored carries out
Compare and precision analysis, finally show whether the blade to be detected of scanning is qualified.In the crop leaf measuring fixture of the present invention, due to
Daylighting point 50 is affixed on each mounting column 40 in advance, without pasting daylighting point on blade to be detected before detection starts
50, not only simplify the detecting step of blade to be detected, it is time saving and energy saving when making detection, and since fixture is reusable, so as to
Greatly reduce cost needed for detection；In addition, since blade to be detected is clamped and fastened on turntable by chuck body 30, therefore sweep
During retouching, the placement location and angle of blade being manually adjusted without operating personnel, not only makes detecting step simple, when detection saves
Shi Shengli, and detection time can be shortened, improve detection efficiency and accuracy of detection.
Optionally, as shown in figure 3, mounting base 10 includes mounting portion 11, the periphery of mounting portion 11 is connected with radially
The more installation struts 12 extended.Chuck body 30 is fixedly connected on mounting portion 11.It is vertically connected on each installation strut 12
A piece mounting column 40.When actual design, the blade relative dimensional to be detected that chuck body 30 is clamped is swept meeting daylighting point
Retouch instrument far and near position indicated on the basis of, the journey that blade to be detected is blocked by each mounting column 40 should be reduced as far as possible
Degree, i.e., should reduce the quantity of mounting column 40 as far as possible, so in this specific embodiment, the quantity of mounting column 40 is the six roots of sensation,
Six roots of sensation mounting column 40 is arranged circumferentially around chuck body 30.
Preferably, to make fixture satisfaction be detected the blade to be detected of different appearance and sizes, in this preferred embodiment,
It is machined with the waist-shaped hole (not shown) extended along its length on each installation strut 12, mounting column 40 is locked by lock-screw
It is tightly fixed in waist-shaped hole.By adjusting position of the mounting column 40 in waist-shaped hole, you can adjustment is by more mounting columns 40
The size of the ring of encirclement made of setting is enclosed, and then fixture is made to meet the need being detected to the blade to be detected of different appearance and sizes
It asks.
Optionally, as shown in Figure 1, chuck body 30 includes and 10 fixed mounting seat 31 of mounting base, mounting seat
31 are equipped with the two clamping plates 32 of sliding setting relatively, and two clamping plates 32 are connected with for driving the two is opposite to draw close clamping blade
Or the drive member 33 of relative separation, drive member 33 are connected in mounting seat 31.
Further, in conjunction with shown in Fig. 2, the top of mounting seat 31 is equipped with the guiding straight trough of indent.Drive member 33
Including the screw drive 332 for being supported on the installation support plate 331 being oriented in straight trough, being fixedly installed on installation support plate 331, screw rod
Actuator 332 is extended to along the length direction for being oriented to straight trough outside mounting seat 31.Two clamping plates 32 be supported on be oriented to straight trough in and
It is threadedly connected in the outer circle of screw drive 332, and two clamping plates 32 are divided into the both sides of installation support plate 331, to work as screw rod
When actuator 332 rotates under external force, along being oriented to, straight trough is opposite to be drawn close or is relatively distant from two clamping plates 32.
Further, the slot bottom for being oriented to straight trough is equipped with the limiting slot of indent, and limiting slot is used for installation support plate 331 along leading
It is limited to the length direction of straight trough, installation 331 rotating support of support plate is in limiting slot.Screw drive 332 includes fixing
Be installed on installation support plate 331 on driving screw rod, driving screw rod along be oriented to straight trough length direction extend and its at least one end is prolonged
It extends to outside mounting seat 31, the one end for extending mounting seat 31 on screw rod is driven to be connected with for accepting external force to drive driving
The handle nut of screw rod rotation.
In this specific embodiment, the first outer spiral shell is machined in the outer circle of the driving screw rod of 331 first side of installation support plate
Line is machined with the second external screw thread, outside the first external screw thread and second in the outer circle of the driving screw rod of installation 331 the second side of support plate
Both screw threads it is oppositely oriented.It is machined on the clamping plate 32 of 331 first side of installation support plate matched interior with the first external screw thread
Screw thread is machined with and the matched internal thread of the second external screw thread on the clamping plate 32 of installation 331 the second side of support plate.Rotational handle spiral shell
When female, driving screw rod and installation support plate 331 will be driven to rotate synchronously, and then make 32 phase of two clamping plates of 331 both sides of installation support plate
To drawing close or being relatively distant from.
Preferably, as shown in Figure 1, being respectively provided with the clamp bar 34 of evagination on the clamping face being oppositely arranged on two clamping plates 32, two
Block clamping plate 32 clamps blade to be detected by two clamp bars 34.Blade to be detected is clamped by two clamp bars 34 being equipped with,
Blade to be detected is clamped compared to by two clamping plates 32, since the contact area between clamp bar 34 and blade to be detected is smaller,
So as to more convenient, more stable clamping blade to be detected.Further, the top of two clamp bars 34 on two clamping plates 32 is
Horizontal plane acts to determine altitude datum, ensures the highly consistent of every measurement object, so that the later stage realizes automatic Fitting.
Preferably, as shown in Fig. 2, being respectively provided with the mounting groove of indent on two side walls being oppositely arranged of clamping plate 32, installation
Slot extends along the moving direction of clamping plate 32.Chuck body 30 further includes for clamping plate 32 to be pressed in downwards to be oriented in straight trough two
Block pressur plate 35, one of pressing plate 35 are installed in two mounting grooves of 32 side of two clamping plates simultaneously, and another block pressur plate 35 is same
When be installed in two mounting grooves of 32 other side of two clamping plates.In other embodiments of the present invention, the quantity of pressing plate 35 is four pieces,
Four block pressur plates 35 are divided into four mounting grooves of two clamping plates 32.
Optionally, it as shown in Figure 1, crop leaf measuring fixture further includes installation upper plate 60, installs and posts multi-disc on upper plate 60
Daylighting point 50.The top of each mounting column 40 is fixedly connected with installation upper plate 60.Daylighting point on installation upper plate 60 is for coordinating
Daylighting point collective effect on mounting column 40, in order to the blade relative dimensional scanner to be detected that indicates being more clear
Far and near position.In this specific embodiment, the structure of installation upper plate 60 is similar to mounting base 10, including mounting portion, mounting portion
Periphery is connected with the more installation struts radially extended, and the top of each mounting column 40 and the installation strut being correspondingly arranged are solid
It is fixed.
Optionally, as shown in Figure 1, chuck body 30 further includes top-pressure part 70, top-pressure part 70 is connected on installation upper plate 60
And support on the blade to be detected being clamped in chuck body 30, blade to be detected is pressed on downwards in chuck body 30.
Top-pressure part 70 is for coordinating chuck body 30 to act on, with more stable fixation blade to be detected.In this specific embodiment, top-pressure part
70, to compress screw, compress screw and are connected on installation upper plate 60 and are vertically arranged, compress the bottom end of screw for supporting clamping
In the top of the blade to be detected in chuck body 30.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of crop leaf measuring fixture, which is characterized in that including：
For with the fixed mounting base of the turntable of spatial digitizer (10), be fixed with for pressing from both sides on the mounting base (10)
The chuck body (30) of tight blade to be detected, the chuck body (30) are all around equipped with the more mounting columns being vertically arranged
(40), the bottom end of each mounting column (40) and the mounting base (10) are fixed, and the more mounting columns (40) are enclosed
If the blade ring to be detected that the chuck body (30) is clamped is located therein by the ring of encirclement made of；
Multi-disc daylighting point (50) is posted on each mounting column (40), the daylighting point (50) is for indicating the fixture sheet
The far and near position of the relatively described spatial digitizer of the blade to be detected of body (30) clamping.
2. crop leaf measuring fixture according to claim 1, which is characterized in that
The mounting base (10) includes mounting portion (11), the periphery of the mounting portion (11) be connected with radially extend it is more
Root installs strut (12)；
The chuck body (30) is fixedly connected on the mounting portion (11)；
A mounting column (40) is vertically connected on each installation strut (12).
3. crop leaf measuring fixture according to claim 1, which is characterized in that
The chuck body (30) includes and the mounting base (10) fixed mounting seat (31), the mounting seat (31)
The two clamping plates (32) of sliding setting relatively are equipped with, two pieces of clamping plates (32) are connected with for driving the two is opposite to draw close folder
The drive member (33) of the tight blade or relative separation, the drive member (33) are connected in the mounting seat (31).
4. crop leaf measuring fixture according to claim 3, which is characterized in that
The top of the mounting seat (31) is equipped with the guiding straight trough of indent；
The drive member (33) includes the installation support plate (331) being supported in the guiding straight trough, is fixedly installed in the peace
The screw drive (332) on support plate (331) is filled, the screw drive (332) is prolonged along the length direction for being oriented to straight trough
Extend to the mounting seat (31) outside；
Two pieces of clamping plates (32) are supported in the guiding straight trough and are threadedly connected to the outer circle of the screw drive (332)
On, and two pieces of clamping plates (32) are divided into the both sides of the installation support plate (331), are existed with working as the screw drive (332)
When being rotated under outer force effect, two pieces of clamping plates (32) are drawn close or are relatively distant from relatively along the guiding straight trough.
5. crop leaf measuring fixture according to claim 4, which is characterized in that
The slot bottom for being oriented to straight trough is equipped with the limiting slot of indent, and the limiting slot is used for the installation support plate (331) along institute
The length direction for stating guiding straight trough is limited, and installation support plate (331) rotating support is in the limiting slot；
The screw drive (332) includes the driving screw rod being fixedly installed on the installation support plate (331), the driving spiral shell
Bar along it is described be oriented to straight trough length direction extend and its at least one end extends to the mounting seat (31) outside, the driving spiral shell
The one end for extending the mounting seat (31) on bar is connected with for accepting external force to drive the hand of the drive screw turns
Handle nut.
6. crop leaf measuring fixture according to claim 5, which is characterized in that
It is machined with the first external screw thread in the outer circle of the driving screw rod of (331) first side of the installation support plate, is located at institute
State and be machined with the second external screw thread in the outer circle of the driving screw rod of installation support plate (331) the second side, first external screw thread and
Both second external screw threads it is oppositely oriented；
It is machined on the clamping plate (32) of (331) first side of the installation support plate matched interior with first external screw thread
Screw thread is machined with matched with second external screw thread on the clamping plate (32) of described installation support plate (331) the second side
Internal thread.
7. crop leaf measuring fixture according to claim 3, which is characterized in that
The clamp bar (34) of evagination, two pieces of clamping plates (32) are respectively provided on the clamping face being oppositely arranged on two pieces of clamping plates (32)
The blade to be detected is clamped by two clamp bars (34).
8. crop leaf measuring fixture according to claim 3, which is characterized in that
The mounting groove of indent is respectively provided on two side walls being oppositely arranged of the clamping plate (32), the mounting groove is along the clamping plate
(32) moving direction extends；
The chuck body (30) further includes two pieces of pressures for being pressed in the clamping plate (32) downwards in the guiding straight trough
Plate (35), one of pressing plate (35) while being installed in two mounting grooves of two pieces of clamping plate (32) sides,
It another piece of pressing plate (35) while being installed in two mounting grooves of two pieces of clamping plate (32) other sides.
9. crop leaf measuring fixture according to claim 1, which is characterized in that
The crop leaf measuring fixture further includes installation upper plate (60), and daylighting point described in multi-disc is posted on the installation upper plate (60)
(50)；
The top of each mounting column (40) is fixedly connected with the installation upper plate (60).
10. crop leaf measuring fixture according to claim 9, which is characterized in that
The chuck body (30) further includes top-pressure part (70), the top-pressure part (70) be connected on the installation upper plate (60) and
It supports on the blade to be detected being clamped in the chuck body (30), the blade to be detected is pressed on into downwards institute
It states in chuck body (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810184960.6A CN108571937B (en) | 2018-03-07 | 2018-03-07 | Clamp for blade detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810184960.6A CN108571937B (en) | 2018-03-07 | 2018-03-07 | Clamp for blade detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108571937A true CN108571937A (en) | 2018-09-25 |
| CN108571937B CN108571937B (en) | 2021-02-09 |
Family
ID=63576813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810184960.6A Active CN108571937B (en) | 2018-03-07 | 2018-03-07 | Clamp for blade detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108571937B (en) |
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| CN111103059A (en) * | 2019-12-02 | 2020-05-05 | 电子科技大学 | Probe device for full-field scanning of engine turbine blade |
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| CN110455190A (en) * | 2019-09-10 | 2019-11-15 | 中国航发南方工业有限公司 | A kind of contactless single piece measured material |
| CN111103059A (en) * | 2019-12-02 | 2020-05-05 | 电子科技大学 | Probe device for full-field scanning of engine turbine blade |
| CN111103059B (en) * | 2019-12-02 | 2021-04-30 | 电子科技大学 | Probe device for full-field scanning of engine turbine blade |
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