CN106403863A - Multi-hole parameter detection system and detection method - Google Patents
Multi-hole parameter detection system and detection method Download PDFInfo
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- CN106403863A CN106403863A CN201610962700.8A CN201610962700A CN106403863A CN 106403863 A CN106403863 A CN 106403863A CN 201610962700 A CN201610962700 A CN 201610962700A CN 106403863 A CN106403863 A CN 106403863A
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- 238000001514 detection method Methods 0.000 title abstract description 34
- 238000000034 method Methods 0.000 claims description 31
- 238000005259 measurement Methods 0.000 claims description 30
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000003070 Statistical process control Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
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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
- 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
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Abstract
The embodiment of the invention discloses a multi-hole parameter detection system and a detection method, which relate to the technical field of hole detection for simply and conveniently realizing detection on hole diameters, the roundness and the coaxiality. The multi-hole parameter detection system comprises a laser transmitter, a mounting assembly, a laser receiving device and an angle measuring device, wherein the laser receiving device is retractably arranged in a to-be-detected hole of a detected workpiece through the mounting assembly; the laser receiving device can receive laser transmitted by the laser transmitter; and the angle measuring device can measure the rotating angle of the laser receiving device. By adopting the above multi-hole parameter detection system, multiple parameters such as the hole diameters, the roundness and the coaxiality can be detected, and detection on multiple hole parameters by one system can be realized.
Description
Technical field
The present invention relates to hole system detection technique field is and in particular to a kind of hole system multi-parameter detecting system and method.
Background technology
Large aperture (more than 100mm) hole system is front frame for loader, vibration wheel of road roller, big arm of digger, rotary drilling rig
Bore the pass key-shaped face in the engineering machinery kernel components such as mast, rotating platform of crane, the Geometrical index such as its diameter, circularity, axiality
Directly affect assembling and the serviceability of engineering machinery main frame.At present, due to lacking detection means, it is processed in above-mentioned hole
Rely primarily on process equipment in journey and ensure the accuracy of manufacture, seriously limit product quality lifting.
Inventor finds, in prior art：Domestic some testing equipments of presence, can be implemented separately hole system diameter, circle at present
Degree, the detection of the one of parameter of axiality, if desired detect other parameters, then need to change testing equipment, using very
Inconvenience.
Content of the invention
One of purpose of the present invention is to propose a kind of hole system multi-parameter detecting system and method, in order to easily to realize
Hole system diameter, circularity, the detection of axiality multiple parameters.
For achieving the above object, the invention provides technical scheme below：
Embodiments provide a kind of hole system multi-parameter detecting system, including generating laser, mounting assembly, laser
Reception device and angle measurement unit；Described laser receiver is by described mounting assembly telescopically located at measured workpiece
In the hole to be detected；Wherein said laser receiver can receive the laser of described laser transmitter projects, described angular surveying
Device can measure the rotational angle of described laser receiver.
In optional or preferred embodiment, the scalable connection with described mounting assembly of described laser receiver.
In optional or preferred embodiment, described mounting assembly include installing rack and scalable located at described installing rack
Pars contractilis, described laser receiver is fixedly linked with described pars contractilis；Described installing rack is located at described in the hole to be detected, and institute
State installing rack and there are two for the face of cylinder with the hole wall linear contact lay to be detected, so that the laser of described laser receiver
Receiving plane is perpendicular to the central axis of described gaging hole to be checked.
In optional or preferred embodiment, described installing rack includes rod member and the supporting leg located at described rod member, described
Leg is provided with described laser receiver by described pars contractilis.
In optional or preferred embodiment, described pars contractilis includes limited block, gag lever post, installing plate, elastic component and change
Width bar；Located at described supporting leg, described limited block is provided with described gag lever post to described limited block, and described gag lever post is provided with described installation
Plate, is folded with described elastic component between described installing plate and described limited block, described installing plate is provided with to be treated described for supporting
The described ultrasonic transformer of detection in the hole wall；When described in the hole footpath to be detected changes, described ultrasonic transformer can be in the bullet of described elastic component
Stretch out under power or bounce back, stretched out with the described laser receiver that described installing plate is fixedly linked with driving or bounce back.
In optional or preferred embodiment, described ultrasonic transformer be used for supporting described in the hole wall to be detected end be provided with resistance to
Mill part.
In optional or preferred embodiment, described rod member at least two, two described rod members pass through base and are connected, institute
State supporting leg located at described base.
In optional or preferred embodiment, the length of described rod member is longer than the length of described base, described rod member and institute
State hole to be detected contact internal walls, the described base not contact internal walls with described gaging hole to be checked.
In optional or preferred embodiment, described rod member is magnetic.
In optional or preferred embodiment, hole system multi-parameter detecting system also includes driver part, described driver part
With described laser receiver drive connection, for driving described laser receiver to rotate；
Described angle measurement unit is used for measuring the rotational angle of described driver part rotating shaft.
In optional or preferred embodiment, described driver part can drive described laser receiver around described driving
The axis of unit shaft rotates.
In optional or preferred embodiment, described driver part includes motor, described motor located at described mounting assembly,
The rotating shaft of described motor and described laser receiver drive connection.
In optional or preferred embodiment, hole system multi-parameter detecting system also includes bracing frame, described generating laser
Liftably located at support frame as described above.
In optional or preferred embodiment, hole system multi-parameter detecting system also includes platform, described generating laser and
Described measured workpiece is all located at described platform.
In optional or preferred embodiment, hole system multi-parameter detecting system also includes controller, described controller and institute
State laser receiver electrical connection, described controller is used for calculating described laser transmitter projects to described laser receiver
Hot spot coordinate.
In optional or preferred embodiment, the outer surface of described wearing piece is arc, with described in the hole to be detected
Wall plane-plane contact.
The embodiment of the present invention also provides a kind of hole system multi-parameter detecting method, comprises the following steps：
Laser, measurement laser facula coordinate value and laser receiver are sent to laser receiver by generating laser
Initial angle；
Rotate laser receiver, and measure turning of the laser facula coordinate value after rotation and described laser receiver
Dynamic angle；
Repeat previous step, to obtain multi-group data, every group of data includes hot spot coordinate value and described laser receiver
Rotational angle；
It is used for and gaging hole to be checked with this laser receiver according to the multi-group data obtaining and described laser receiver
The distance between contact internal walls point, matching under laser coordinate system obtains fitting circle；
It is calculated central coordinate of circle and the diameter of gaging hole to be checked according to this fitting circle.
In optional or preferred embodiment, hole system multi-parameter detecting method is further comprising the steps of：
It is calculated the central coordinate of circle of gaging hole to be checked and the coordinate of discrete point under laser coordinate system, meter according to this fitting circle
Calculate the difference of the maximum to center of circle distance for each discrete point and minimum of a value, obtain the circularity of gaging hole to be checked.
In optional or preferred embodiment, hole system multi-parameter detecting method is further comprising the steps of：
According to the central coordinate of circle under each gaging hole laser coordinate system to be checked, it is calculated gaging hole system to be checked using least square method
Axiality.
Based on technique scheme, the embodiment of the present invention at least can produce following technique effect：
Before starting detection, the laser pick-off face of laser receiver is adjusted and hangs down to the central axis with gaging hole to be checked
Directly, the laser of detection laser transmitter projects is adjusted to the centerline axis parallel with gaging hole to be checked.
In measurement, the coordinate of the corresponding laser hot spot on laser receiver in first position of measurement first, then
Rotate laser receiver and record rotational angle, measure the corresponding laser in second position of in the hole wall to be detected in laser pick-off
The coordinate of hot spot on device；In the same manner, rotate laser receiver again and record rotational angle, measure the 3rd position and correspond to light
The coordinate of spot.Repeat the above steps complete the collection of multi-group data.Every group of data includes hot spot coordinate value and rotational angle.Just
Beginning rotational angle is zero.
It is used for and in the hole to be detected with laser receiver and this laser receiver according to the rotational angle that measurement obtains
The distance between wall contact point, the hot spot coordinate transform that measurement is obtained calculates the matching of gaging hole to be checked to laser coordinate system
Circle, is calculated the parameters such as home position, the diameter of gaging hole to be checked according to this fitting circle.This is calculated according to least square method to be checked
The circularity of gaging hole.
Same mode is also adopted by for next gaging hole to be checked, measurement obtains the fitting circle of this next gaging hole to be checked,
The parameters such as central coordinate of circle, the diameter of this next circle to be detected are calculated according to this fitting circle.The center of circle according to each gaging hole to be checked
Coordinate is it can be determined that the axiality being of portalling.
It can be seen that, hole system diameter, circularity, axiality many kinds of parameters just can be detected by said one system, to raising engineering
Mechanical kernel component manufacture level, very very helpful to control product quality.
Brief description
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description is used for explaining the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 uses schematic diagram for hole system provided in an embodiment of the present invention multi-parameter detecting system；
Fig. 2 is hole system provided in an embodiment of the present invention multi-parameter detecting system mounting assembly and laser receiver main view
Schematic diagram；
Fig. 3 is hole system provided in an embodiment of the present invention multi-parameter detecting system mounting assembly and laser receiver side-looking
Schematic diagram；
Fig. 4 provides a kind of hole system multi-parameter detecting method schematic flow sheet for another embodiment of the present invention.
Reference：
1st, platform；2nd, controller；3rd, bracing frame；4th, generating laser；5th, laser；6th, RS232 cable；7th, measured workpiece；
8th, mounting assembly；9th, rod member；10th, base；11st, supporting leg；12nd, driver part；13rd, fixed seat；14th, gag lever post；15th, limited block；
16th, laser receiver；17th, elastic component；18th, installing plate；19th, bolt；20th, stop nut；21st, adjusting nut；22nd, luffing
Bar；23rd, wearing piece；81st, installing rack；82nd, pars contractilis.
Specific embodiment
Illustrated in more detail with reference to the technical scheme that Fig. 1～Fig. 4 provides to the present invention.
The parameter of hole system mainly includes hole system diameter, circularity, axiality.Hole system provided in an embodiment of the present invention multi-parameter inspection
Examining system, is detected with regard to energy device to hole system diameter, circularity, axiality multiple parameters only with a system.In addition, the present invention is real
The hole system multi-parameter detecting system applying example offer is particularly suited for the measurement of big, deep pore system.
Referring to Fig. 1 to Fig. 3, the embodiment of the present invention provides a kind of hole system multi-parameter detecting system, including mounting assembly 8, swashs
Optical transmitting set 4, laser receiver 16 and angle measurement unit (not shown).Laser receiver 16 passes through mounting assembly
8 telescopically located at measured workpiece 7 in the hole to be detected；Wherein laser receiver 16 can receive swashing of generating laser 4 transmitting
Light, described angle measurement unit can measure the rotational angle of described laser receiver 16.
Angle measurement unit can adopt multiple structural forms, such as adopts angular transducer, or setting special angle dress
Put, often rotate and once correspond to specific angle, such as 5 degree.
Laser receiver 16 passes through mounting assembly 8 telescopically located at the in the hole to be detected of measured workpiece 7, specifically comes
Say there is two ways：One of which is that mounting assembly 8 itself is included Collapsible structure and non-telescoping structure, and laser is connect
Receiving apparatus 16, located at Collapsible structure, when Collapsible structure stretches with respect to non-telescoping structure, can drive laser pick-off to fill
Put 16 synchronization telescopes.Another way is the connected mode between laser receiver 16 and mounting assembly 8 is scalable connection,
When aperture to be detected changes, laser receiver 16 stretches with respect to mounting assembly 8.
In addition, scalable is for the internal diameter of gaging hole to be checked, this stretching can be automatic telescopic, such as exists
During in the hole footpath change to be detected, mounting assembly 8 is automatically adjusted to adapt to the change in the hole footpath to be detected, in this adjustment process
In, laser receiver 16 changes with the change of mounting assembly 8 position.It is of course also possible to be set to control model, in inspection
When measuring aperture and changing, certain part of mounting assembly 8 is controlled to stretch out or bounce back, to adapt to the change in the hole footpath to be detected
Change.In the present embodiment, by the way of self adaptation in the hole to be detected footpath, concrete mode is referring to described hereinafter.
Method using above-mentioned hole system multi-parameter detecting system measured hole multi-parameter is described below.
Before starting detection, by the central axis upright of the adjustment of the laser pick-off face of laser receiver and gaging hole to be checked,
Centerline axis parallel by the laser adjustment of detection laser transmitter projects and gaging hole to be checked.
In measurement, the coordinate of the corresponding laser hot spot on laser receiver in first position of measurement first, then
Rotate laser receiver and record rotational angle, measure the corresponding laser in second position of in the hole wall to be detected in laser pick-off
The coordinate of hot spot on device；In the same manner, rotate laser receiver again and record rotational angle, measure the 3rd position and correspond to light
The coordinate of spot.Repeat the above steps complete the collection of multiple data.
The fitting circle of gaging hole to be checked is calculated according to each coordinate value coordinate transform that measurement obtains to laser coordinate system,
The parameters such as home position, the diameter of gaging hole to be checked are calculated according to this fitting circle.According to least square method or other known formulas
Method calculates the circularity of this gaging hole to be checked.Laser coordinate system refers to using laser direction as Z axis, to set up X-axis, Y-axis perpendicular to Z axis
The coordinate system obtaining.Changed by coordinate system and known laser receiver 16 is used for this laser receiver 16 and treats
The distance between detection in the hole wall contact point, can obtain the coordinate value of measured point in the hole wall to be detected, and then matching obtains
Fitting circle to gaging hole to be checked.
Same mode is also adopted by for next gaging hole to be checked, measurement obtains the fitting circle of this next gaging hole to be checked,
The parameters such as the central coordinate of circle of this next circle to be detected, circularity, diameter are calculated according to this fitting circle.According to two gaging holes to be checked
Central coordinate of circle it can be determined that going out the axiality of this two circles.
It can be seen that, hole system diameter, circularity, axiality many kinds of parameters, above-mentioned technical side just can be detected by said one system
Case, to improving engineering machinery kernel component manufacture level, very very helpful to control product quality.
In detection, the laser that generating laser 4 sends is parallel to the central axis of gaging hole to be checked, and connects perpendicular to laser
The laser pick-off face of receiving apparatus 16.In the present embodiment, hung down using the laser pick-off face that aforesaid way makes laser receiver 16
Directly in the central axis of gaging hole to be checked：
Referring to Fig. 2 and Fig. 3, mounting assembly 8 includes installing rack 81 and the scalable pars contractilis 82 located at installing rack 81, laser
Reception device 16 is connected with pars contractilis 82.Installing rack 81 located in the hole to be detected, and installing rack 81 have two for to be checked
The face of cylinder of gaging hole inwall linear contact lay, so that the laser pick-off face of laser receiver 16 is perpendicular to the central shaft of gaging hole to be checked
Line.
Installing rack 81 can arrange slip bar or slip part, by laser receiver 16 and slip bar or slip
Part connect, during slip bar or slip part change with the hole footpath to be detected, laser receiver 16 with
Motion.Installing rack 81 has two for the faces of cylinder with the hole wall linear contact lay to be detected, and this makes installing rack 81 located at treating
Do not need in addition to arrange bearing or other support members after detection in the hole, the PSD face of laser receiver 16 just can be made (to swash
Light receiving surface) perpendicular to gaging hole to be checked central axis.
Referring to Fig. 3, installing rack 81 includes rod member 9 and the supporting leg 11 located at rod member 9, and supporting leg 11 is provided with sharp by pars contractilis 82
Optical pickup apparatus 16.
Rod member 9 and hole to be detected contact internal walls, rod member 9 is as load bearing component, and rod member 9 is connect with the hole wall line to be detected
Touch.Supporting leg 11, as connection member, is easy to arrange laser receiver 16 by supporting leg 11.
Referring to Fig. 2 and Fig. 3, supporting leg 11 is provided with limited block 15, and limited block 15 is provided with gag lever post 14, and gag lever post 14 is provided with installation
Plate 18, is folded with elastic component 17 between installing plate 18 and limited block 15, installing plate 18 is provided with for supporting in the hole wall to be detected
Ultrasonic transformer 22.When in the hole footpath to be detected changes, ultrasonic transformer 22 can stretch out under the elastic force of elastic component 17 or bounce back.Wherein,
Laser receiver 16 is located at installing plate 18.It is adaptive in the hole footpath to be detected that aforesaid way easily achieves mounting assembly
Should so that the change in the location following of laser receiver 16 in the hole to be detected footpath and change.
Referring to Fig. 2 and Fig. 3, the end that ultrasonic transformer 22 is used for supporting in the hole wall to be detected is provided with wearing piece 23.In actual inspection
During gaging hole system parameter, need to rotate laser receiver 16 to detect hole wall diverse location corresponding hot spot coordinate value,
Setting wearing piece 23 can reduce the abrasion to ultrasonic transformer 22 for the friction, improves product service life.
Further, the outer surface of wearing piece 23 is arc, with the hole wall plane-plane contact to be detected, so can subtract
Stress between little wearing piece 23 and in the hole wall to be detected.
Referring to Fig. 2 and Fig. 3, rod member 9 at least two, two rod members 9 pass through base 10 and are connected, and supporting leg 11 is located at base
10.Setting base 10 is the setting of supporting leg 11 for convenience.During placement, rod member 9 is parallel to the axis of gaging hole to be checked.Two rod members
9 achieve the positioning in the hole to be detected for the hole system multi-parameter detecting system.
Referring to Fig. 2 and Fig. 3, the length of rod member 9 is longer than the length of base 10, rod member 9 and hole to be detected contact internal walls, base
10 not contact internal walls with gaging hole to be checked.Base 10 not with hole to be detected contact internal walls, arranging base 10 is supporting leg for convenience
11 setting.In practical application, only rod member 9 and hole to be detected contact internal walls.Base 10 and gaging hole to be checked so can be prevented
The site error that contact internal walls cause.
Referring to Fig. 2 and Fig. 3, rod member 9 band is magnetic.Rod member 9 such as adopts magnet.Rod member 9 can adsorb in the hole to be detected
It is ensured that mounting assembly 8 is not rocked in measurement process, do not shifted on wall, and then ensure that the accuracy of detection.
Referring to Fig. 2 and Fig. 3, hole system multi-parameter detecting system also includes driver part 12, and driver part 12 is used for driving sharp
Optical pickup apparatus 16 rotate.Angle measurement unit is used for measuring the rotational angle of driver part 12 rotating shaft, and angle measurement unit can
To measure the rotational angle of driver part 12 rotating shaft using encoder or similar sensor.
Driver part 12 is such as stepper motor, and stepper motor is arranged on supporting leg 11, the rotating shaft of stepper motor and laser
Reception device 16 connects, and to drive laser receiver 16 to rotate, and then realizes the survey of the hot spot coordinate value of the multiple position of a circle
Fixed, and then judge the home position of gaging hole to be checked.
In the present embodiment, driver part 12 can drive laser receiver 16 to turn around the axis of driver part 12 rotating shaft
Dynamic.In actual setting, can will be conllinear with the central axis of measured workpiece 7 for the spindle central axis of driver part 12.
In the present embodiment, specifically, the rotating shaft of stepper motor and limited block 15 are fixedly linked, gag lever post 14 and limited block 15
It is fixedly linked, installing plate 18 is fixedly linked with gag lever post 14, laser receiver 16 is fixedly linked with installing plate 18.With installing plate
The one end of the ultrasonic transformer 22 that 18 are fixedly linked is supported in the hole wall to be detected, when in the hole footpath to be detected changes, such as
In the hole footpath to be detected becomes hour, can extrude ultrasonic transformer 22 mobile towards lower section shown in Fig. 2, thus extruding elastic component 17.Stepping electricity
The drive shaft of machine is rotated further, and in the hole footpath to be detected such as becomes big, and in the presence of elastic component 17, ultrasonic transformer 22 can be towards Fig. 2
Shown top is moved.During ultrasonic transformer 22 moves up and down, laser receiver 16 is synchronous to be moved up and down, so that swashing
The laser facula that the generating laser 4 that optical pickup apparatus 16 detect sends has reacted the change in the hole footpath to be detected.
Referring to Fig. 1, further, hole system multi-parameter detecting system also includes bracing frame 3, and generating laser 4 is liftably
Located at bracing frame 3.The position of generating laser 4 can be modulated by bracing frame 3 at the beginning of detection, the laser being allowed to send is tried one's best position
On the central axis of gaging hole to be checked.
Further, hole system multi-parameter detecting system also includes controller 2, and controller 2 is electrically connected with laser receiver 16
Connect, controller 2 is used for calculating the hot spot coordinate that generating laser 4 is transmitted into laser receiver 16.Can be fast by controller 2
Speed, exactly calculating hot spot coordinate, and calculate the central coordinate of circle of gaging hole to be checked accordingly.
Referring to Fig. 2 and Fig. 3, hole system multi-parameter detecting system also includes platform 1, and generating laser 4 and measured workpiece 7 are all provided with
In platform 1.Mobile platform 1 just moves whole hole system multi-parameter detecting system so that the multi-parameter detection of whole hole system is
System is easy to move, and is not required to be separately provided detection station for measured workpiece 7.
It can be seen that technique scheme, there is provided a kind of portable large aperture hole system diameter, circularity, axiality compound detection system
System, apply this system, can quickly and accurately realize front frame for loader, vibration wheel of road roller, large-tonnage big arm of digger,
Large aperture hole system diameter in the engineering machinery kernel component such as drilling mast of rotary drilling rig, rotating platform of crane, circularity, axiality are combined
Detection and statistical Process Control, and with MES system interconnected communication, promote intelligence manufacture process.
An instantiation is described below.
This hole system multi-parameter detecting system includes platform 1, controller 2, bracing frame 3, generating laser 4, laser 5, RS232
Cable 6, laser receiver 16.Controller 2 specifically can adopt industrial computer.Controller 2, bracing frame 3, measured workpiece 7 are all arranged
On the platform 1.Generating laser 4 is fixed by bracing frame 3.Bracing frame 3 can adjust laser according to different apertures to be measured
The height of transmitter 4.Laser receiver 16 is fixed in the hole to be measured by installing rack 81, and applicable bore dia scope is ￠
100mm～￠ 1000mm.
Installing rack 81 includes rod member 9, base 10 and supporting leg 11.Driver part 12 specifically includes stepper motor.Rod member 9, bottom
Seat 10, supporting leg 11 constitute installing rack 81 it is ensured that driver part 12 axis is parallel with axially bored line to be measured, laser receiver 16
PSD plane is vertical with axially bored line to be measured.Driver part 12 is fixed on supporting leg 11 by fixed seat 13.
Referring to Fig. 2, limited block 15 is supported by fixed seat 13, is connected with driver part 12 rotating shaft.Driver part 12 rotates,
Limited block 15 can be driven and laser receiver 16 that the installing plate 18 that is connected with limited block 15 is connected with installing plate 18 together
Rotate.Gag lever post 14 is arranged on limited block 15 by interporal lacuna cooperation, is cased with elastic component 17, installing plate 18 thereon successively, separately
One end is screwed with stop nut 20.Based on said apparatus, realize installing plate 18 under elastic component 17 effect, withstand on along gag lever post 14
On stop nut 20；When there being external force to act on wearing piece 23, installing plate 18 slides along gag lever post 14, becomes in order to feedback aperture
Change.Elastic component 17 is specially spring.
Referring to Fig. 2 and Fig. 3, installing plate 18 front end connects laser receiver 16 by bolt 19, middle part is passed through to adjust spiral shell
Female 21 connection ultrasonic transformers 22.Wearing piece 23 is arranged in ultrasonic transformer 22 front end.
In detection process, laser 5 launched by generating laser 4, and laser receiver 16 receives laser 5 signal, passes through
Detection information is transferred to controller 2 by RS232 cable 6, controller 2 using data processing software calculate treat gaging hole system diameter,
Circularity, axiality；Based on calculating data, carry out statistical Process Control, and transfer data to MES system.
The technical scheme of the embodiment of the present invention, structure is simple, be easily achieved；Easy to operate, be easy to carry, detect motor-driven spirit
Live；Covering tested pore diameter range is ￠ 100mm～￠ 1000mm, the detection of the hole such as achievable continuous aperture, interval hole, short-bore system, fits
Wide with scope；One-time detection operates, and obtains diameter, circularity, three key indexs of axiality simultaneously, saves testing equipment and detection
Cost；It is capable of statistical Process Control, monitoring hole system crudy；With MES system interconnected communication, it is that hole system intelligence manufacture is established
Determine technical foundation.
Referring to Fig. 4, another embodiment of the present invention provides a kind of hole system multi-parameter detecting method, can adopt any of the above-described technology
The hole system multi-parameter detecting system that scheme provides is realized.The method comprises the following steps：
Step S10, laser is sent to laser receiver by generating laser, the hot spot coordinate value of measurement laser and swashing
The initial angle of optical pickup apparatus.
Before starting detection, by the central axis upright of the adjustment of the laser pick-off face of laser receiver and gaging hole to be checked,
Centerline axis parallel by the laser adjustment of detection laser transmitter projects and gaging hole to be checked.Initial angle can be designated as zero.
Step S20, rotation laser receiver, and measure the laser facula coordinate value after rotation and described laser pick-off
The rotational angle of device.
Step S30, repetition previous step, to obtain multi-group data, every group of data includes hot spot coordinate value and laser pick-off
The rotational angle of device.
Specifically, in measurement, the corresponding laser hot spot on laser receiver in first position of measurement first
Coordinate, then rotates laser receiver and records rotational angle, measure the corresponding laser in second position of in the hole wall to be detected
The coordinate of hot spot on laser receiver；In the same manner, rotate laser receiver again and record rotational angle, measure the 3rd
The coordinate of the corresponding hot spot in position.Repeat the above steps complete the collection of multi-group data.Every group of data include hot spot coordinate value and
Rotational angle.
Step S40, according to the multi-group data that obtains and described laser receiver and this laser receiver for
The distance between in the hole wall contact point to be detected, the hot spot coordinate transform that measurement is obtained calculates to be checked to laser coordinate system
The fitting circle of gaging hole.
After hole system multi-parameter detecting system structure determination, it is true that laser receiver is used for in the hole wall contact point to be detected
Fixed, the distance between laser receiver and contact point are also to determine.If laser receiver can direct and gaging hole to be checked
Contact, then contact point is a point of laser receiver；If laser receiver can not directly be contacted with gaging hole to be checked,
Contact point is to be connected with laser receiver and can be with the point of gaging hole varying aperture to be checked.In the present embodiment, contact point
Refer to the point of wearing piece 23 and hole to be detected contact internal walls.
Step S50, it is calculated central coordinate of circle and the diameter of gaging hole to be checked according to this fitting circle.
In above-mentioned steps S40 and step S50, according to each coordinate value of obtaining of measurement and laser receiver with should
Laser receiver the distance between is used for in the hole wall contact point to be detected, will the hot spot coordinate transform that obtains of measurement to laser
The fitting circle of gaging hole to be checked is calculated after coordinate system.Home position, diameter of gaging hole to be checked etc. are calculated according to this fitting circle
Parameter.Calculate the circularity of this gaging hole to be checked according to least square method.
In optional or preferred embodiment, hole system multi-parameter detecting method is further comprising the steps of：According to this fitting circle
It is calculated the central coordinate of circle of gaging hole to be checked and the coordinate of discrete point under laser coordinate system, calculate each discrete point to center of circle distance
Maximum and minimum of a value difference, obtain the circularity of gaging hole to be checked.
If there being multiple holes axiality to need to judge, in optional or preferred embodiment, hole system multi-parameter detecting method is also
Comprise the following steps：According to the central coordinate of circle under each gaging hole laser coordinate system to be checked, it is calculated to be checked using least square method
The axiality of gaging hole system.Same mode is also adopted by for each gaging hole to be checked, measurement obtains the fitting circle of each gaging hole to be checked,
The parameters such as the central coordinate of circle of this next circle to be detected, circularity, diameter are calculated according to this fitting circle.
Under laser coordinate system, the X of the central coordinate of circle according to two gaging holes to be checked, Y value, this two circles can be calculated
The distance between heart, then characterizes the axiality in two holes with distance.
Under laser coordinate system, X, Y, Z value of the central coordinate of circle according to multiple gaging holes to be checked, this hole system can be calculated
Axiality.Specifically, the central coordinate of circle according to gaging hole system to be checked, is calculated using least square method and obtains common axis, meter
Calculate centre point and arrive common axis apart from two times of maximum, sign hole system axiality.
In describing the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", "front", "rear",
The orientation of instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are based on accompanying drawing institute
The orientation showing or position relationship, are only for ease of the description present invention and to simplify description, rather than instruction or the device inferring indication
Or element must have specific orientation, be specific azimuth configuration and operation, thus it is not intended that protect interior to the present invention
The restriction held.
Finally it should be noted that：Above example only in order to technical scheme to be described, is not intended to limit；Although
With reference to the foregoing embodiments the present invention is described in detail, it will be understood by those within the art that：It still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to wherein some technical characteristics,
But these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (19)
1. a kind of hole system multi-parameter detecting system is it is characterised in that include generating laser (4), mounting assembly (8), laser connect
Receiving apparatus (16) and angle measurement unit；Described laser receiver (16) is telescopically set by described mounting assembly (8)
In the hole to be detected in measured workpiece (7)；Wherein said laser receiver (16) can receive described generating laser (4) transmitting
Laser, described angle measurement unit can measure the rotational angle of described laser receiver (16).
2. hole system according to claim 1 multi-parameter detecting system it is characterised in that described laser receiver (16) with
The scalable connection of described mounting assembly (8).
3. hole system according to claim 1 multi-parameter detecting system is it is characterised in that described mounting assembly (8) includes peace
Shelve (81) and the scalable pars contractilis (82) located at described installing rack (81), described laser receiver (16) is flexible with described
Portion (82) is fixedly linked；Described installing rack (81) is located at described in the hole to be detected, and described installing rack (81) has two and is used for
With the face of cylinder of in the hole wall linear contact lay to be detected so that the laser pick-off face of described laser receiver (16) is perpendicular to described
The central axis of gaging hole to be checked.
4. hole system according to claim 3 multi-parameter detecting system is it is characterised in that described installing rack (81) includes rod member
(9) supporting leg (11) with located at described rod member (9), described supporting leg (11) is provided with described laser pick-off by described pars contractilis (82)
Device (16).
5. hole system according to claim 4 multi-parameter detecting system is it is characterised in that described pars contractilis (82) inclusion is spacing
Block (15), gag lever post (14), installing plate (18), elastic component (17) and ultrasonic transformer (22)；Described limited block (15) is located at described
Leg (11), described limited block (15) is provided with described gag lever post (14), and described gag lever post (14) is provided with described installing plate (18), described
It is folded with described elastic component (17), described installing plate (18) is provided with for supporting between installing plate (18) and described limited block (15)
Described ultrasonic transformer (22) in described in the hole wall to be detected；When described in the hole footpath to be detected changes, described ultrasonic transformer (22) energy
Stretch out under the elastic force of described elastic component (17) or bounce back, to drive the described laser being fixedly linked with described installing plate (18) to connect
Receiving apparatus (16) stretch out or bounce back.
6. hole system according to claim 5 multi-parameter detecting system is it is characterised in that described ultrasonic transformer (22) is used for supporting
The end of described in the hole wall to be detected is provided with wearing piece (23).
7. hole system according to claim 4 multi-parameter detecting system is it is characterised in that described rod member (9) at least two,
Two described rod members (9) are passed through base (10) and are connected, and described supporting leg (11) is located at described base (10).
8. hole system according to claim 7 multi-parameter detecting system is it is characterised in that the length of described rod member (9) is longer than
The length of described base (10), described rod member (9) and described hole to be detected contact internal walls, described base (10) is not to be checked with described
The contact internal walls of gaging hole.
9. hole system according to claim 4 multi-parameter detecting system is it is characterised in that described rod member (9) is magnetic.
10. according to the arbitrary described hole system multi-parameter detecting system of claim 1-9 it is characterised in that also including driver part
(12), described driver part (12) and described laser receiver (16) drive connection, for driving described laser receiver
(16) rotate；
Described angle measurement unit is used for measuring the rotational angle of described driver part (12) rotating shaft.
11. hole system according to claim 10 multi-parameter detecting systems are it is characterised in that described driver part (12) can drive
Dynamic described laser receiver (16) rotates around the axis of described driver part (12) rotating shaft.
12. hole system according to claim 10 multi-parameter detecting systems are it is characterised in that described driver part (12) includes
Motor, described motor is driven even with described laser receiver (16) located at described mounting assembly (8), the rotating shaft of described motor
Connect.
13. according to the arbitrary described hole system multi-parameter detecting system of claim 1-9 it is characterised in that also including bracing frame
(3), described generating laser (4) is liftably located at support frame as described above (3).
14. according to the arbitrary described hole system multi-parameter detecting system of claim 1-9 it is characterised in that also including platform (1),
Described generating laser (4) and described measured workpiece (7) are all located at described platform (1).
15. according to the arbitrary described hole system multi-parameter detecting system of claim 1-9 it is characterised in that also including controller
(2), described controller (2) is electrically connected with described laser receiver (16), and described controller (2) is used for calculating described laser to be sent out
Emitter (4) is transmitted into the hot spot coordinate of described laser receiver (16).
16. hole system according to claim 6 multi-parameter detecting systems are it is characterised in that the appearance of described wearing piece (23)
Face is arc, with described in the hole wall plane-plane contact to be detected.
A kind of 17. hole system multi-parameter detecting methods are it is characterised in that comprise the following steps：
Laser is sent to laser receiver by generating laser, measurement laser facula coordinate value and laser receiver just
Beginning angle；
Rotate laser receiver, and measure the angle of rotation of the laser facula coordinate value after rotation and described laser receiver
Degree；
Repeat previous step, to obtain multi-group data, every group of data includes turning of hot spot coordinate value and described laser receiver
Dynamic angle；
It is used for and in the hole wall to be detected with this laser receiver according to the multi-group data obtaining and described laser receiver
The distance between contact point, matching under laser coordinate system obtains fitting circle；
It is calculated central coordinate of circle and the diameter of gaging hole to be checked according to this fitting circle.
18. hole system multi-parameter detecting methods according to claim 17 are it is characterised in that further comprising the steps of：
It is calculated the central coordinate of circle of gaging hole to be checked and the coordinate of discrete point under laser coordinate system according to this fitting circle, calculate each
The maximum to center of circle distance for the discrete point and the difference of minimum of a value, obtain the circularity of gaging hole to be checked.
19. hole system multi-parameter detecting methods according to claim 17 are it is characterised in that further comprising the steps of：
According to the central coordinate of circle under each gaging hole laser coordinate system to be checked, it is calculated the same of gaging hole system to be checked using least square method
Axle degree.
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| CN201610962700.8A CN106403863B (en) | 2016-11-04 | 2016-11-04 | Hole system multi-parameter detection system and method |
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| CN201610962700.8A CN106403863B (en) | 2016-11-04 | 2016-11-04 | Hole system multi-parameter detection system and method |
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| CN106403863B CN106403863B (en) | 2019-11-01 |
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| CN108592828A (en) * | 2018-06-29 | 2018-09-28 | 南京理工大学 | Photoelectric sensor deep hole axiality detection device and its detection method |
| CN110375698A (en) * | 2019-08-23 | 2019-10-25 | 河南科技大学 | Inner hole circularity on-position measure method based on parameter identification |
| CN110470242A (en) * | 2019-08-23 | 2019-11-19 | 贵阳新天光电科技有限公司 | A kind of heavy parts inner hole circularity on-position measure device and method |
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