CN109141303A - A kind of component geometrical defect detection system and detection method - Google Patents
A kind of component geometrical defect detection system and detection method Download PDFInfo
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- CN109141303A CN109141303A CN201810924654.1A CN201810924654A CN109141303A CN 109141303 A CN109141303 A CN 109141303A CN 201810924654 A CN201810924654 A CN 201810924654A CN 109141303 A CN109141303 A CN 109141303A
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- 230000007547 defect Effects 0.000 title claims abstract description 43
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000009736 wetting Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
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- 238000007689 inspection Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
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- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 208000036829 Device dislocation Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
本发明提供了一种构件几何缺陷检测系统及检测方法，涉及构件缺陷检测技术领域，通过对导轨形状和位置的调整，配合使用移动的检测装置解决了现有技术中存在的难以对整个待检测面进行整体和局部形状精确测量的技术问题。该装置包括安装有导轨的支撑部、能在所述支撑部上沿所述导轨移动的检测装置，其中：所述导轨平行于待检测面设置；所述检测装置包括至少两个测距传感器，且各所述测距传感器均垂直于待检测面；本发明用于对待检测面进行几何缺陷检测，多个测距传感器同时对检测面进行检测，能同时实现多条线上所有测点缺陷的连续测量，大幅提高测量效率；同时，测点间距可任意设置，达毫米级，适用于高精度高密度测点的几何缺陷测量。
The invention provides a component geometric defect detection system and a detection method, which relate to the technical field of component defect detection. By adjusting the shape and position of the guide rail and using a moving detection device, the difficulty in the prior art is solved. Technical issues for accurate measurement of global and local shapes of surfaces. The device includes a support part with a guide rail installed, and a detection device that can move along the guide rail on the support part, wherein: the guide rail is arranged parallel to the surface to be detected; the detection device includes at least two distance measuring sensors, And each of the distance measuring sensors is perpendicular to the surface to be detected; the present invention is used to detect geometric defects on the surface to be detected, and multiple ranging sensors detect the detection surface at the same time, which can realize the detection of defects of all measuring points on multiple lines at the same time. Continuous measurement greatly improves the measurement efficiency; at the same time, the measuring point spacing can be set arbitrarily, reaching the millimeter level, which is suitable for geometric defect measurement of high-precision and high-density measuring points.
Description
Technical field
The present invention relates to component defect detecting technique fields, more particularly, to a kind of component geometrical defect detection system and inspection
Survey method.
Background technique
In the course of receiving of Structural Engineering, the dimensional discrepancy and defect amplitudes of structural elements must satisfy corresponding construction matter
Measure the requirement of acceptance specification.In structural steelwork technical field, the local geometric initial imperfection of component directly affect component with
The capability and deformation of structure, and in the local stability of component, the whole coupling stability test in part-, the part of plate is several
What initial imperfection is also very important influence factor.
Defects detection typically refers to the detection to article surface defect, and surface defects detection is using advanced machine vision
Detection technique detects the defects of spot of workpiece surface, pit, scratch, color difference, defect.Defect detecting device at present
Using it is most have metal surface, glass surface, paper surface, electronic component surface etc. have strict demand again to appearance and have it is bright
The article of true index.
There are many existing measurement methods: using three-coordinate measuring machine can the coordinate to each point on component accurately surveyed
Amount, can convert and obtain the local geometric initial imperfection of member section, but be limited by instrument itself, this method is only applicable to ruler
Very little and weight very little component, and it is very high to the requirement of component cleanliness degree, and the device is complicated, and operating environment requires height, and takes
With high, it is not suitable for carrying out high-volume, the measurement of large-sized steel structure member geometry initial imperfection；Using relatively advanced three-dimensional
The cost of image scanning technology is excessively high, and practicability is poor；Using the measurement method of ruler and clearance gauge, need to borrow during measurement
Help external force that ruler is sticked on component surface, while the width at clearance gauge tip determines measuring point region, low efficiency, the degree of automation
Difference；Although passing through the position being mounted on guide rail now with the device of some continuous measuring structure component partial geometry initial imperfections
The data at displacement sensor acquisition measurement interface, but defect detecting device on the market is with single measuring point or a detection line
Based on, measuring point in target face is detected, can only spot measurement or single line measurement, measurement efficiency is lower, cannot achieve
The defects detection in entire face to be detected, to can not entire face to be detected comprehensively be analyzed and be assessed.
Summary of the invention
The purpose of the present invention is to provide a kind of component geometrical defect detection system and its detection methods, by guide rail shape
The adjustment of shape and position solves existing in the prior art be difficult to entire face to be detected with the use of mobile detection device
The technical issues of carrying out whole and local precise measurement.Optimal technical scheme institute energy in many technical solutions provided by the invention
The many technical effects elaboration as detailed below generated.
To achieve the above object, the present invention provides following technical schemes:
A kind of component geometrical defect detection system provided by the invention, including be equipped with guide rail support portion, can be described
The detection device moved on support portion along the guide rail, in which:
The guide rail is parallel to face setting to be detected；
The detection device include at least two distance measuring sensors, and each distance measuring sensor be each perpendicular to it is to be detected
Face；
It further include data acquisition device, each distance measuring sensor is communicatively coupled with the data acquisition device.
Preferably, the detection device further include: carrier loader and the sliding block that can be slided on the guide rail, the sliding block
It connect with the carrier loader, is slided jointly along the guide rail, each distance measuring sensor is set on the carrier loader.
Preferably, further includes: the driving motor to detection device offer power and the rotation with the driving motor
The feed belt of axis connection, the driving motor rotation drive the feed belt rotation, so that the detection device is mobile.
Preferably, further includes: guide precision calibrating installation, the guide precision calibrating installation include being parallel to the guide rail
And it is located at the sink equipped with water below the guide rail, laying detection paper is using as the anti-of the distance measuring sensor on the water surface
Penetrate layer.
Preferably, the support portion includes the first support for installing the guide rail of horizontal layout, lays vertically
It is used to support the second support of the first support, is additionally provided with and is used to support and contacts the first support and second support
Each auxiliary support member.
It preferably, further include adjustment device for adjusting the rail shapes and position, the adjustment device includes: peace
Regulating part equipped with guide rail and adjustable aluminium alloy extrusions and the adjusting aluminium alloy extrusions；Wherein: the aluminium alloy extrusions
It is flexibly connected with the first support by regulating part.
Preferably, the first support is steel channel beam, and the steel channel beam is laterally disposed, and the guide rail is set to the channel steel
Beam notch position, the vertical steel channel beam length direction are provided with a hole, the web of the steel channel beam are provided with first hole
With Article 2 hole, described hole is arranged in multiple groups on the length direction of the steel channel beam；It is arranged on the channel steel flange of beam
There is an Article 3 hole, the Article 3 hole is in multiple settings on the length direction of the steel channel beam, and the Article 3 hole and institute
First hole and the Article 2 hole is stated to be located in the same vertical plane.
Preferably, the regulating part includes the first bolt, the second bolt and third bolt, first bolt and described the
Two bolts are flexibly connected by first hole with the Article 2 hole and the aluminium alloy extrusions respectively, and described first
Volute spring is provided between bolt and second bolt and the aluminium alloy extrusions；The third bolt passes through the third
Hole is flexibly connected with the aluminium alloy extrusions.
The detection method of component geometrical defect detection system provided by the invention, comprising the following steps:
Step S1: rail flatness calibration, including
A. the sink is placed in below the detection device；
B. water is added in the sink；
C. the detection paper is put into the sink, gradually laying is straight after so that the detection paper side is contacted the water surface first
To whole layings in the water surface, after standing preset time, until water complete wetting detects paper；
D. the installation site for adjusting the distance measuring sensor makes the detection paper in the measurement range of the distance measuring sensor
It is interior；
E. the detection device is moved along the guide rail, acquires the data information of each distance measuring sensor；
Judge whether each data point is fallen near same plane with enough accuracy；
If it is not, then shape and the position of the adjustment guide rail.
Step S2: geometrical defect detection, comprising:
A. face to be detected is placed in below the detection device；
B., each distance measuring sensor is installed and each distance measuring sensor is made to be each perpendicular to face to be detected；
C. the detection device is moved along the guide rail, acquires the data information of each distance measuring sensor；
Judge the difference of each data information numerical value whether within the scope of preset difference value；
If it is not, then plane to be detected is unqualified.
In technical solution provided by the invention, the detection device by that will be provided at least two distance measuring sensors is arranged
On support portion, detection device can carry out defects detection to entire face to be detected simultaneously when sliding on support portion.
Optimal technical scheme of the present invention can also at least have the following technical effects: pass through setting driving motor and transmission skin
Band is with the mobile automation and detection accuracy for further increasing component geometrical defect detection system of motion detection device；It is additionally provided with and leads
The flatness of guide rail in component geometrical defect detection system and straightness can be reached requirement by rail flatness calibrating installation, convenient
Later period treats detection faces and is detected.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structure diagram front view of component geometrical defect detection system provided in an embodiment of the present invention；
Fig. 2 is the structure diagram side view of component geometrical defect detection system provided in an embodiment of the present invention；
Fig. 3 is component geometrical defect detection system part provided in an embodiment of the present invention part A enlarged drawing；
Fig. 4 is component geometrical defect detection system part provided in an embodiment of the present invention part B enlarged drawing.
1- support portion in figure；11- first support；12- second support；13- bracket auxiliary support member；2- guide rail；3- inspection
Survey device；31- carrier loader；32- sliding block；4- distance measuring sensor；5- feed belt；6- guide precision calibrating installation；61- water
Slot；62- detects paper；7- hole；First hole 71-；72- Article 2 hole；73- Article 3 hole；8- adjusts device；81- aluminium alloy
Profile；82- regulating part；83- teflon gasket；84- steel washer；85- nut；86- arc spacer；The first bolt of 821-；
The second bolt of 822-；823- third bolt；9- volute spring；10- driving motor.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
The specific embodiment of the invention provides a kind of component geometrical defect detection system, includes that guide rail 2 is housed in conjunction with attached drawing 1
Support portion 1, the detection device 3 that can be moved on support portion along guide rail 2, in which:
Guide rail 2 is parallel to face setting to be detected；
Detection device 3 includes at least two distance measuring sensors 4, and each distance measuring sensor 4 is each perpendicular to face to be detected；Setting
Multiple distance measuring sensors, in device work, multiple distance measuring sensors can detect entire face to be detected simultaneously or part carries out
Precise measurement.When detection is whole, the detection device that need to be only equipped with multiple distance measuring sensors is passed through above entire face to be detected；Office
When portion carries out accurate detection limit, the measurement frequency of distance measuring sensor is turned up, detection device only need to be by face part to be detected top.
It further include data acquisition device, each distance measuring sensor 4 is communicatively coupled with data acquisition device, data acquisition
The data that device can detect distance measuring sensor are acquired storage.
In conjunction with attached drawing 3, the detection device 3 further include: carrier loader 31 and the sliding block 32 that can be slided on guide rail, sliding block
32 are arranged on guide rail 2, and sliding block 32 is connect with carrier loader 31, and carrier loader 31 is directly fixedly connected with the sliding block, even
The mode of connecing, which can be bolt, modes, the direction of motion that sliding block 31 can control carrier loader 31 such as fixes and welds and also act as steady cunning
Capable effect, each distance measuring sensor 4 are set on carrier loader 31.
In conjunction with attached drawing 1, component geometrical defect detection system provided by the invention further includes providing to move to the detection device 3
The driving motor 10 of power and feed belt 5 with the rotation axis connection of driving motor 10, the rotation of driving motor 10 drive transmission skin
Band 5 rotates, so that detection device 3 is mobile.One end of support portion is arranged in the driving motor that the present invention provides in embodiment, is propping up
Support part both ends and middle position are provided with the pulley mobile for feed belt, feed belt directly with sliding block or carrier loader
Connection, driving motor can be with positive and negative rotations, and band motion detection device is moved to the other end from one end, can also return to origin-location.
Embodiment provided by the invention further include: guide precision calibrating installation 6, guide precision calibrating installation 6 include parallel
In guide rail 2 and it is located at the sink 61 equipped with water of the lower section of guide rail 2, laying detection paper 62 is using as distance measuring sensor 4 on the water surface
Reflecting layer；Sink is cuboid sink in embodiment provided by the invention, is placed in the underface of detection device.The length of this sink
Degree direction is consistent with rail length direction, and sink length is not less than the overall length of guide rail section to be calibrated, to meet guide level
Spend the demand of calibration.Because the precision of guide rail, which is calibrated, must be segmented progress, in each segmentation in the case where sink curtailment
Guide rail linearity error can the measurement of significantly less than whole guide rail when straightness error, to bring bigger difficulty to Adjusting Shape,
Furthermore error accumulation can be also generated when multistage is adjusted, to be not easy to realize that every guide rail reaches linear state while two guide rails reach
To flat state.
In conjunction with attached drawing 2, in embodiment provided by the invention, support portion includes horizontal layout for installing the first of guide rail
Bracket 11, the second support 12 for being used to support first support 11 laid vertically are additionally provided with and are used to support and contact described
The Auxiliary support rod piece of one bracket 11 and second support 12, this first support are arranged in parallel in two, in two first supports
Both ends are provided with second support, and same section of second support lower end is provided with pedestal, and pedestal supports entire support portion, and first
Bracket is steel channel beam, and steel channel beam is laterally disposed, and guide rail 2 is set to steel channel beam notch position, and vertical channel girder steel direction is provided with item
Hole 7 is provided with first hole 71 and Article 2 hole 72 in the web of steel channel beam, is in more in the length direction winding hole 7 of steel channel beam
Group setting；Article 3 hole 73 is provided on channel steel flange of beam, the Article 3 hole 73 is on the length direction of steel channel beam in more
A setting, and Article 3 hole 73 and first hole 71 and the Article 2 hole 72 are located in the same vertical plane, the present invention mentions
The setting in hole is as shown in Fig. 4 in the embodiment of confession, and hole is the through-hole of strip, can pass through regulating part, regulating part can
To be translated in hole.
In conjunction with attached drawing 3 and attached drawing 4, embodiment provided by the invention further include: for adjusting the adjustment device of guide rail position
8, adjustment device 8 includes: the adjusting for being equipped with guide rail 2 and posture adjustable aluminium alloy extrusions 81 and adjusting aluminium alloy extrusions 81
Part 82；Wherein: aluminium alloy extrusions 81 is flexibly connected with first support 11 by regulating part 82.The structure of aluminium alloy extrusions adapts to
The installation of guide rail, and it is easy installation and adjustment part.Regulating part 82 includes the first bolt 821, the second bolt 822 and third bolt 823,
First bolt 821 is flexibly connected by first hole 71 with Article 2 hole 72 with aluminium alloy extrusions 81 with the second bolt 822, and
Volute spring 9 is provided between first bolt 821 and the second bolt 822 and aluminium alloy extrusions 81；Third bolt 823 passes through third
Hole 73 is flexibly connected with aluminium alloy extrusions 81.Above-mentioned regulating part can be tommyhead bolt, and such bolt is convenient for external tune
Section, T forming head are placed in not easily moveable inside aluminium alloy extrusions.Polytetrafluoroethylene (PTFE) is also arranged on the first bolt and the second bolt
Gasket and steel washer；Third bolt is provided with arc spacer in the position contacted with steel channel beam strip-shaped hole.
The adjusting direction of guide rail can be multivariant adjusting, such as horizontal, vertical and rotation.Slot is screwed when simultaneously
When the first bolt and the second bolt top nut same distance in girder steel, conical spring compresses or the identical distance of release can be with
Make guide rail that the translation in horizontal direction occur, this horizontal direction is the direction of steel channel beam opening；When the first bolt in steel channel beam
Different from the nut driving direction on the second bolt or only screw one, guide rail will generate a folder with horizontal direction at this time
Angle；The translation of guide rail in the vertical direction may be implemented when adjusting third bolt, this vertical direction and above-mentioned horizontal direction are hung down
Directly.The arc spacer being arranged at third bolt is fixed convenient for bolt with various lateral attitudes, outside the first bolt and the second bolt
The teflon gasket being arranged is conducive to the sliding of the bolt on corresponding position, third bolt and steel channel beam junction setting two
Side nut realizes fastening two-way adjustable and final at the position, does not have at the first bolt with the second bolt on the inside of channel steel
Operating space needed for nut adjustment, the volute spring at the two bolts inside setting apply pressing force in installation process
Make compression deformation of the spring, by the flexible ability of contained spring, need to only adjust the outboard nut of the first bolt and the second bolt i.e.
Bidirectional modulation can be achieved.The pressing force that volute spring remains plays the role of fixed guide rail position.
The specific embodiment of the invention additionally provides a kind of detection method of component geometrical defect detection system, including following step
It is rapid:
Step S1: rail flatness calibration, including
A. sink (61) is placed in below detection device (3)；
B. water is added in the sink (61)；
C. it is put into detection paper (62) in the sink (61), is gradually spread after so that detection paper (62) side is contacted the water surface first
It straightens to whole layings in the water surface, after standing preset time, until water complete wetting detection paper (62)；
D. the installation site for adjusting distance measuring sensor (4) makes to detect paper (62) in the measurement range of distance measuring sensor (4)
It is interior；
E. detection device (3) is moved along guide rail, acquires the data information of each distance measuring sensor (4)；
Judge whether each data point is fallen near same plane with enough accuracy；
If it is not, then adjusting shape and the position of the guide rail.
Once S2 measurement can be repeated after completing guide precision calibration, do not need to carry out S1 adjustment every time.
Step S2: geometrical defect detection, comprising:
A. face to be detected is placed in below detection device (3)；
B., each distance measuring sensor (4) is installed and each distance measuring sensor (4) is made to be each perpendicular to face to be detected；
C. detection device (3) is moved along guide rail, acquires the data information of each distance measuring sensor (4)；
Judge the difference of each data information numerical value whether within the scope of preset difference value；
If it is not, then plane to be detected is unqualified.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
1. a kind of component geometrical defect detection system, which is characterized in that including be equipped with guide rail (2) support portion (1), can be in institute
It states on support portion along the detection device (3) that the guide rail (2) are mobile, in which:
The guide rail (2) is parallel to face setting to be detected；
The detection device (3) include at least two distance measuring sensors (4), and each distance measuring sensor (4) be each perpendicular to
Detection faces；
It further include data acquisition device, each distance measuring sensor (4) is communicatively coupled with the data acquisition device.
2. component geometrical defect detection system according to claim 1, which is characterized in that the detection device (3) is also wrapped
It includes: carrier loader (31) and the sliding block (32) that can be slided on the guide rail (2), the sliding block (32) and the carrier loader
(31) it connects, is slided jointly along the guide rail (2), each distance measuring sensor (4) is set on the carrier loader (31).
3. component geometrical defect detection system according to claim 1, which is characterized in that further include: it is filled to the detection
It sets (3) and the driving motor (10) of power and the feed belt (5) with the rotation axis connection of the driving motor (10) is provided, it is described
Driving motor (10) rotation drives feed belt (5) rotation, so that the detection device (3) is mobile.
4. component geometrical defect detection system according to claim 1, which is characterized in that further include: guide precision calibration
Device (6), the guide precision calibrating installation (6) include the dress for being parallel to the guide rail (2) and being located at below the guide rail (2)
There is the sink (61) of water, laying detection paper (62) is anti-using the pure flat high-precision as the distance measuring sensor (4) on the water surface
Penetrate layer.
5. component geometrical defect detection system according to claim 1, which is characterized in that the support portion includes horizontal cloth
If for installing the first support (11) of the guide rail, second for being used to support the first support (11) laid vertically
Frame (12) is additionally provided with each auxiliary support member for being used to support and contacting the first support (11) and second support (12)
(13)。
6. component geometrical defect detection system according to claim 5, which is characterized in that further include for adjusting described lead
The adjustment device (8) of rail shape and position, the adjustment device (8) include: to be equipped with the guide rail (2) and posture is adjustable
Aluminium alloy extrusions (81) and the regulating part (82) for adjusting the aluminium alloy extrusions (81)；Wherein: the aluminium alloy extrusions (81) with
The first support (11) is flexibly connected by regulating part (82).
7. component geometrical defect detection system according to claim 6, which is characterized in that the first support is channel steel
Beam, the steel channel beam is laterally disposed, and the guide rail (2) is set to the steel channel beam notch position, the vertical channel steel beam length
Direction is provided with a hole (7), the web of the steel channel beam is provided with first hole (71) and Article 2 hole (72), in the slot
Described hole (7) is arranged in multiple groups on the length direction of girder steel；Article 3 hole (73), institute are provided on the channel steel flange of beam
Article 3 hole (73) is stated on the length direction of the steel channel beam in multiple settings, and the Article 3 hole (73) and described first
Hole (71) and the Article 2 hole (72) are located in the same vertical plane.
8. component geometrical defect detection system according to claim 7, which is characterized in that the regulating part (82) includes the
One bolt (821), the second bolt (822) and third bolt (823), first bolt (821) and second bolt (822)
It is flexibly connected respectively by first hole (71) and the Article 2 hole (72) with the aluminium alloy extrusions (81), and in institute
It states and is provided with volute spring (9) between the first bolt (821) and second bolt (822) and the aluminium alloy extrusions (81)；
The third bolt (823) is flexibly connected by the Article 3 hole (73) with the aluminium alloy extrusions (81).
9. the detection method based on claim 1-8 described in any item component geometrical defect detection systems, which is characterized in that
The following steps are included:
Step S1: rail flatness calibration, including
A. the sink (61) is placed in below the detection device (3)；
B. water is added in the sink (61)；
C. the detection paper (62) is put into the sink (61), after so that detection paper (62) side is contacted the water surface first by
Gradually laying is up to whole layings are in the water surface, after standing preset time, until detection paper (62) described in water complete wetting；
D. the installation site for adjusting the distance measuring sensor (4) makes detection paper (62) in the survey of the distance measuring sensor (4)
It measures in range；
E. the detection device (3) is mobile along the guide rail (2), acquires the data information of each distance measuring sensor (4)；
Judge whether each data point is fallen near same plane with enough accuracy；
If it is not, then adjusting shape and the position of the guide rail (2).
Step S2: geometrical defect detection, comprising:
A. face to be detected is placed in below the detection device (3)；
B., each distance measuring sensor (4) is installed and each distance measuring sensor (4) is made to be each perpendicular to face to be detected；
C. the detection device (3) is mobile along the guide rail (2), acquires the data information of each distance measuring sensor (4)；
Judge the difference of each data information numerical value whether within the scope of preset difference value；
If it is not, then plane to be detected is unqualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810924654.1A CN109141303B (en) | 2018-08-14 | 2018-08-14 | Component geometric defect detection system and detection method |
Applications Claiming Priority (1)
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| CN111536925A (en) * | 2020-04-14 | 2020-08-14 | 西安航天精密机电研究所 | Automatic measurement selection and assembly system and plunger pump gasket assembly method |
| CN111536926A (en) * | 2020-04-14 | 2020-08-14 | 西安航天精密机电研究所 | Automatic measurement system and plunger pump measurement method |
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