CN107121068A - A kind of Large-Scale Equipment manufacturing engineering system part digital positioning system and method - Google Patents
A kind of Large-Scale Equipment manufacturing engineering system part digital positioning system and method Download PDFInfo
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- CN107121068A CN107121068A CN201710332320.0A CN201710332320A CN107121068A CN 107121068 A CN107121068 A CN 107121068A CN 201710332320 A CN201710332320 A CN 201710332320A CN 107121068 A CN107121068 A CN 107121068A
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- acruracy survey
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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
- G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
- G01B11/005—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates coordinate measuring machines
Abstract
The invention discloses a kind of Large-Scale Equipment manufacturing engineering system part digital positioning system, including laser three-D high-acruracy survey equipment, positioner, positioner demarcate bar, computer, laser three-D high-acruracy survey equipment is provided with cooperative target；Data communications processor carries out data cube computation with laser three-D high-acruracy survey equipment, computer, cooperative target respectively.Also disclose a kind of localization method of Large-Scale Equipment manufacturing engineering system part digital positioning system：Using laser three-D high-acruracy survey equipment, three-dimensional high-precision measurement network is built, and carry out precision calibration；Positioner demarcate bar is attached to cooperative target, positioner calibrated in three-dimensional high-precision measurement network；Positioner demarcate bar is replaced by positioner, cooperative target is attached to；The mobile positioner being fixed together and cooperative target in network are measured in three-dimensional high-precision, when positioner is moved to system part position of positioning hole, is positioned, get work ready.
Description
Technical field
The present invention relates to a kind of Large-Scale Equipment manufacturing engineering system part digital positioning system and method, applied to aviation,
System part is fixed and positioned in the Large-Scale Equipment manufacturing engineering such as aerospace craft and ship, is surveyed using the coordinate of high-precision laser three
Amount equipment, which coordinates, gets positioner ready, realizes the high accuracy positioning of large scale equipment system part, belongs to equipment manufacturing field.
Background technology
System part of the present invention is mainly：In the part assembling or general assembly of the Large-Scale Equipment such as aircraft and ship
Including some parts and some small decorative parts, as installation pipeline, cable, jacking bracket, boresight component etc.
Small-sized fastener, structural member etc..These system parts are dispersed throughout in the systems such as the cold hydraulic pressure of Large-Scale Equipment, liquid, fuel oil and alarm.
In the systems such as hydraulic pressure, liquid in Large-Scale Equipments such as aircraft, steamers are cold, fuel oil and alarm, it has been covered with to complete machine
Performance plays the connection cables and pipeline of most important effect, and the assembling of cable and pipeline is realized by system part, and is directed to
The manufacture assembly method of cable and pipeline is：The system part of each cable and pipeline is positioned first, then according to the system
The position of part is laid by corresponding cable and pipeline.If the positioning of system part has error, cable and pipe will be directly affected
The fit precision of road and system part, cause the uneven stress of cable or can not lay, pipeline deforms and ruptured etc. phenomenon, right
The service life of cable and pipeline is produced and had a strong impact on, so as to influence the stability of equipment.
It is mainly for the conventional mapping methods of system part：Positioning mode of ruling and drill jig positioning mode, as shown in figure 1, representing
Line localization method.First, relative datum 1 and relative datum 2 are determined, it is relative in distance then using Steel Ruler 3 and bow pen
The distance of benchmark 1 is that straight line A is drawn at X, is being that straight line B is drawn at Y apart from the distance of relative datum 2, the intersection point of two straight lines is
For the position of system part positioning hole；As shown in Fig. 2 represent drill jig localization method, by the locating surface of special jig 4 respectively with
Relative datum 1 and relative datum 2 are contacted, then the positioning through hole with hand drill on special jig 4, complete system part
Boring positioning.
However, being had the following disadvantages using both the above localization method：
First, line positioning method accuracy is low, it is desirable to which operating personnel have higher professional skill, and operating personnel need to pass through
Drawing is read, and carries out Reference Transforming, line positioning could be completed, if the location information of system part is changed, needed
Operating personnel browse drawing again；
Although the 2, drill jig localization method precision is higher, each system part is required for making special mould, cost compared with
Height, and versatility is bad, the professional skill requirement to operating personnel does not reduce, in the event of system part location information more
Change, then corresponding mould is also required to change therewith；
3rd, the relative datum that two kinds of localization methods are used carries out the positioning of system part, the processing to selected benchmark
The accuracy of manufacture requires higher, if the accuracy of manufacture of relative datum has error, while can also cause the positioning of system part to exist
Error.
The content of the invention
Positioning is installed to the three-dimensional high-precision of pipeline and cable system part in order to realize in Large-Scale Equipment manufacturing process, and
The professional technique requirement of operating personnel is reduced as far as possible, reduces the processing and manufacturing precision of selected relative datum, we have invented one
Plant the Large-Scale Equipment manufacturing engineering system part digital positioning system for coordinating three-dimensional high-precision measuring apparatus to use.
The purpose of the present invention is realized by following scheme：
A kind of Large-Scale Equipment manufacturing engineering system part digital positioning system, including laser three-D high-acruracy survey equipment,
Positioner, positioner demarcate bar, computer, laser three-D high-acruracy survey equipment are provided with cooperative target；At data transfer
Manage device and carry out data cube computation with laser three-D high-acruracy survey equipment, computer, cooperative target respectively；Positioner includes positioning
Device overcoat, inner slide, back-moving spring, triggering device and interior axle, interior axle are closely connected with inner slide, inner slide front end and positioning
Back-moving spring is set between device overcoat, and triggering device is passed through before positioner overcoat and inner slide clamping, positioner overcoat
End is provided with hole, and interior axle front end is top to be stretched out from positioner overcoat front aperture.
Invention also provides a kind of localization method of Large-Scale Equipment manufacturing engineering system part digital positioning system, bag
Include following steps：
1) laser three-D high-acruracy survey equipment is used, three-dimensional high-precision measurement network is built, and it is high to the three-dimensional built
Precision measure network carries out precision calibration；
2) positioner demarcate bar is attached to cooperative target, in the step 1) three-dimensional high-precision built measurement network
It is interior that positioner is calibrated；
3) complete after positioner calibration, positioner demarcate bar is replaced by positioner, cooperative target is attached to；
4) in step 1) the mobile positioner and cooperative target being fixed together in the three-dimensional high-precision built measurement network
Mark, when positioner is moved to system part position of positioning hole, is positioned, gets work ready.
The technology of the present invention effect is：
Based on three-dimensional high-precision measuring apparatus, the positioning of Large-Scale Equipment manufacturing engineering system part three-dimensional high-precision is realized, together
Shi Tigao location efficiencies, and realize visualization, measurement and positioning can be reviewed；Positioning is realized using positioner, gets ready and rules
Operation is integrated；With positioner demarcate bar and related scaling method, it is ensured that the positioning precision of positioner；Do not grasped
Make the limitation of people's professional skill, the processing and manufacturing error requirements to part decrease, realize a set of equipment polytype system
The positioning of system part, the versatility of positioner is significantly improved.Coordinate fixed using high precision three-dimensional measurement equipment simultaneously
The positioning precision of position device be higher than it is conventionally employed turn benchmark line, drill jig, its positioning precision can reach 0.1mm.Therefore, originally
Invention can farthest meet the positioning requirements of various pipe-line system parts in the range of high accuracy positioning.
Brief description of the drawings
Fig. 1 is traditional scoring system part localization method schematic diagram；
Fig. 2 is traditional drill jig system part localization method schematic diagram；
Fig. 3 is a kind of Large-Scale Equipment manufacturing engineering system part digital positioning system composition structure chart of the invention；
Fig. 4 is that positioner simplifies structural representation；
Fig. 5 is a kind of Large-Scale Equipment manufacturing engineering system part digital positioning system localization method flow chart of the invention；
Fig. 6 (a) is positioner demarcate bar normal axomometric drawing；
Fig. 6 (b) is that positioner demarcate bar axle surveys front view；
Fig. 7 is the Mai Zhuonuo three-dimension measuring system operating diagrams of embodiment one；
Fig. 8 (a) is the Mai Zhuonuo positioning device structure sectional views of embodiment one；
Fig. 8 (b) is that the Mai Zhuonuo of embodiment one positions assembly axis mapping；
Fig. 9 is the API laser tracker alignment system schematic diagrames of embodiment two；
Figure 10 (a) is that the tracker of embodiment two gets positioner front sectional view ready；
Figure 10 (b) is that the tracker of embodiment two gets positioner axonometric drawing ready；
Figure 11 is that the IGPS of embodiment three measures network positioning system schematic diagram；
In figure：1- relative datums 1,2- relative datums 2,3- Steel Rulers, 4- positioning moulds-tool, 5- laser three-Ds are surveyed in high precision
Measure equipment, 6- 3-D measuring apparatus cooperative target, 7- positioners, 8- computers, 9- data communications processors, 10- positioning dresses
Put overcoat, 11- inner slides, 12- back-moving springs, 13- triggering devices, 14- interior axles, 15- bulb-ended probes, 16- demarcation extension bar,
17- Mai Zhuonuo CCD cameras, 18- Mai Zhuonuo light pens, 19- described points/line positioner, 20- Mai Zhuonuo three-dimensional measuring systems calibrations
Bar, 21- slide triggers device, 22- inner slides, 23- light pens back-moving spring, 24- marking pens, 25- light pen positioners shell,
The hand-held gauge heads of 26- laser trackers I360,27- trackers get ready positioner, 28-API laser trackers, 29- trigger mechanisms,
30- is oriented to sleeveless axle sleeve, 31- tracker positioners shell, 32- trigger mechanisms back-moving spring, 33- guide holders, 34- impact bullets
Spring, 35- impacts probe, 36-IGPS generating lasers, 37-IGPS hand-held measuring appliances.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
The present invention basic ideas be：First, using high-precision laser three-dimensional coordinates measurement equipment, three-dimensional high-precision survey is built
Network is measured, precision calibration is carried out to three-dimensional measurement network；Then, mounting and positioning device demarcate bar to cooperative target 6 general spiral shell
Line interface, is calibrated to positioner, is completed after positioner calibration, changes positioner to universal threaded interface；Finally,
The mobile positioner 7 being fixed together presses triggering dress with cooperative target 6 to system part position of positioning hole in measurement network
Put, the interior axle 14 of positioner is common to the movement of workpiece to be processed surface with inner slide 11, and interior axle leaves mark in workpiece surface
Point, realizes the positioning of Large-Scale Equipment system part, gets work ready.
Based on above basic ideas, the present invention provides a kind of Large-Scale Equipment manufacturing engineering system part digital positioning system,
As shown in figure 3, including：Laser three-D high-acruracy survey equipment 5, positioner 7, positioner demarcate bar, computer 8, wherein,
Laser three-D high-acruracy survey equipment 5 is provided with cooperative target 6；Laser three-D high-acruracy survey equipment 5 and data communications processor 9
The stability of data transfer is realized with the locking apparatus of power supply and data thread end；Data communications processor 9 by netting twine with
Computer 8 is connected, and can realize real-time transmission data with netting twine, and can transmit larger data volume；Cooperative target 6 and number
Data cube computation is equally carried out according to transmission processor 9.
As shown in figure 4, positioner 7 includes positioner overcoat 10, inner slide 11, back-moving spring 12, triggering device 13
With interior axle 14, wherein, interior axle 14 is closely connected with inner slide 11, and with axiality requirement, the front end of positioner overcoat 10 is set
Have hole (not shown), the front end of interior axle 14 is top to be stretched out from the front aperture of positioner overcoat 10, the front end of inner slide 11 with
Being abutted between positioner overcoat 10 has back-moving spring 12, and triggering device 13 is blocked through positioner overcoat 10 with inner slide 11
Connect；Triggering device 13 drives inner slide 11 to overcome the resistance of spring 12, and end is slided axially forward, close-connected with inner slide 11
Interior axle 14 is together moved forward with inner slide 11, is stretched out until the front end of interior axle 11 is top from the front aperture of positioner overcoat 10；Pine
Triggering device is opened, under the spring-force driven dual of back-moving spring 12, interior axle 11 is moved rearwards by resetting with inner slide 11 1 is logical, interior axle 14
Inside the top retraction positioner overcoat 10 in front end.Positioner 7 passes through the outer connection screw thread on overcoat 10 and cooperative target 6
Interior connection screw thread carries out screwing connection, and achieving fastening using spanner spins.
It is real invention also provides a kind of localization method of Large-Scale Equipment manufacturing engineering system part digital positioning system
The large scale equipment system part high accuracy positioning such as aircraft, ship is showed, as shown in figure 5, comprising the following steps：
Step one：Laser three-D high-acruracy survey equipment 5 is connected with data communications processor 9 by power supply, data wire
Connect, data communications processor 9 is connected with computer 8 by netting twine, data communications processor 9 passes through netting twine or nothing with cooperative target
Gauze network carries out data cube computation；
Step 2：The power supply of laser three-D high-acruracy survey equipment 5 and computer 8 is respectively communicated with, opening is pre-installed in
Laser three-D high-acruracy survey equipment operation software in computer 8；
Step 3：Laser three-D high-acruracy survey equipment 5 is arranged, and is carried using laser three-D high-acruracy survey equipment 5
Caliberating device laser three-D high-acruracy survey equipment 5 is demarcated, in laser three-D high-acruracy survey equipment operation software
Interior establishment three-dimensional high-precision measurement network；
Step 4：The three-dimensional measurement network of step 3 component is entered by laser three-D high-acruracy survey equipment operation software
Row precision evaluation, if in the good measurement range of accessibility, and ensure that its measurement accuracy is δ, it is suitable to take δ≤0.05mm
Preferably, next step is carried out；
Step 5：Cooperative target 6 is subjected to examination survey in the three-dimensional high-precision measurement network of step 3 component, it is ensured that cooperation
Target visibility in three-dimensional measurement network reaches 98%, into next step；
Step 6：Positioner demarcate bar is attached to cooperative target 6, positioner demarcate bar structure as shown in fig. 6, fixed
Position device normalization bar threads are threadedly coupled with the universal threaded connecting interface of cooperative target 6, and truing tool is arranged in into three
Tie up in High Precision Measurement Network, positioner demarcate bar in the ideal case should be equal with the length of positioner 7, positioner
The length L1 of the demarcate bar and length L2 of positioner 7 dimensional tolerance range is δ, i.e., | L1-L2 |≤δ, wherein δ=
0.01mm；
Step 7：Using the cooperative target 6 for being mounted with positioner demarcate bar, certain point on truing tool is surveyed
Amount, and cooperative target is rotated respectively along all direction in spaces (left, right, front and rear) and two diagonal, also along cooperative target
Main shaft is rotated, and completes the calibration of positioner；
Step 8：Precision evaluation is carried out to positioner, if precision reaches requirement, positioner demarcate bar is unloaded,
Positioner 7 is attached to cooperative target, otherwise repeat step seven；
Step 9：By the measurement data of laser three-D high-acruracy survey equipment 5, and by measurement data and gross data pair
Together, alignment accuracy is evaluated, meets and requires, then positioned, otherwise remeasured, then alignd；
Step 10：The mobile positioner 7 being fixed together and cooperative target 6 in network are measured in three-dimensional high-precision, when
When positioner is moved to system part position of positioning hole, by driven triggering device 13, now inner slide 11 and interior axle 14 are jointly mobile,
The front end of interior axle 14 is top to be stretched out from the front end of positioner overcoat 10, and obvious punctuate is left in workpiece surface, is completed positioning, is got ready
Work.
Embodiment 1
The present embodiment reference picture 7 is described as follows：
As shown in fig. 7, a kind of Large-Scale Equipment manufacturing engineering system part digital positioning system, including：Mai Zhuonuo CCD cameras
17th, Mai Zhuonuo light pens 18, described point/line positioner 19, Mai Zhuonuo three-dimensional measuring systems calibrations bar 20, computer 8, wherein retouching
The structural representation of point/line positioner 19 is as shown in figure 8, described point/line positioner 19 includes positioning slide trigger dress
21 are put, internal sliding block 22 is slided, slides back-moving spring 23, marking pen 24, light pen positioner shell 25.Wherein marking pen 24 with
Internal sliding block 22 is slided to be closely joined together, and with certain axiality.Lead to when positioner is installed to Mai Zhuonuo light pens
After hickey, when light pen is moved to the theoretical position in the system part positioning hole center of circle, slip orientation triggering device 21, note are pressed
Number pen 24 and the common movement for sliding internal sliding block 22, compression slide back-moving spring 23, the nib of marking pen 24 is passed through light pen
The through hole on the head of positioner shell 25, diameter about 1mm is drawn in the installation site for the large scale equipment system part for needing to position
The round dot of black.Completion is got ready after work, and orientation triggering switch 21 is slided in release, due to the effect of spring force, the He of marking pen 24
Slide internal sliding block 22 and slide back to initial position, positioner completes the one-time positioning course of work.Two of which Mai Zhuonuo CCD cameras
17th, Mai Zhuonuo light pens 18, Mai Zhuonuo demarcate bars 20 use power supply, the locking apparatus of data thread end with data communications processor 9
The stability of data transfer is realized, data processor 9 is connected by netting twine with computer, and real-time Transmission number can be realized with netting twine
According to, and larger data volume can be transmitted.
The present embodiment describes the digitlization of Large-Scale Equipment manufacturing engineering system part by taking Mai Zhuonuo 3-d laser measurement systems as an example
Alignment system localization method, its operating procedure is as follows：
Step one：Two Mai Zhuonuo CCD cameras 17, Mai Zhuonuo light pens 18, Mai Zhuonuo demarcate bars 20 respectively with data transfer
Processor 9 is attached by power supply, data wire, and data communications processor 9 is connected with computer 8 with netting twine；
Step 2：The power supply of Mai Zhuonuo measuring apparatus and computer 8 is respectively communicated with, Mai Zhuonuo operations on computer are opened soft
Part, image viewer and major software；
Step 3：Mai Zhuonuo three-dimensional high-precision measuring apparatus is arranged, and Mai Zhuonuo three-dimension measuring systems are carried with equipment
Demarcate bar is demarcated to Mai Zhuonuo optical measurement networks, sets up three-dimensional high-precision measurement network；
Step 4：Precision evaluation is carried out to three-dimensional measurement network, in the good measurement range of accessibility, and ensures that it is surveyed
Accuracy of measurement is δ, and it is suitable to take δ≤0.05mm；
Step 5：Mai Zhuonuo light pens 18 are subjected to examination survey in measurement network, it is ensured that Mai Zhuonuo light pens 18 are in three-dimensional measurement
Visibility reaches 98% in network；
Step 6：Mounting and positioning device demarcate bar, as shown in fig. 6, to cooperative target universal threaded connecting interface, and high-ranking officers
Quasi- instrument is arranged in measurement network, and the wherein length L1 of demarcate bar gets the length L2 of positioner 27 size ready with tracker
Tolerance value is Δ, i.e., | L1-L2 |≤Δ, and typically take Δ=0.01mm；
Step 7：Using the cooperative target for being mounted with positioner demarcate bar, certain point on truing tool is measured,
And Mai Zhuonuo light pens 18 are rotated along all direction in spaces (left, right, front and rear) and two diagonal, also along Mai Zhuonuo light pens
18 main shafts are rotated, and complete the calibration of positioner；
Step 8：Precision evaluation is carried out to positioner, if precision reaches requirement, positioner is changed, otherwise weighs
Multiple step 7；
Step 9：Alignd by measuring apparatus measurement data, and by measurement data with gross data, evaluate alignment accuracy,
Meet and require, then positioned, otherwise remeasured, then alignd；
Step 10：Mobile described point/line the positioner 19 and Mai Zhuonuo light pens 18 being fixed together in measurement network,
When positioner is moved to system part position of positioning hole, by driven triggering device, now slides inner slide 22 and be total to marking pen 24
With mobile, the round dot that diameter is about 1mm is left in workpiece surface, positioning is completed, gets work ready.
Embodiment 2
The present embodiment reference picture 9 is described as follows：
As shown in figure 9, a kind of Large-Scale Equipment manufacturing engineering system part digital positioning system, including：API laser trackers
28th, the hand-held gauge heads 26 of laser tracker I360, tracker get positioner 27, data communications processor 9, computer 8 ready.Its
In, API laser trackers 28 are connected by power supply, data line and data communications processor 9, there is fastening in connection end
Device, ensure that the reliability of connection, make measuring system stable；At the hand-held gauge heads 26 of laser tracker I360 and data transfer
Manage device 9 and connection is realized by power supply, data line, its connected mode is that internal pin hole matches somebody with somebody external screw-thread, to ensure connection
Reliability；Data communications processor 9 and computer 8 are connected by netting twine, to ensure quick, the real-time Transmission of data；Tracker
The connection screw thread for getting the tail end of positioner 27 ready is to be used to connect the hand-held gauge heads 26 of laser tracker I360 and get positioning dress ready
27 are put, the external screw thread for getting tracker ready positioner 27 rotates into the internal thread of the hand-held gauge heads 26 of laser tracker I360
In, and complete tightening using spanner.
Wherein, tracker get ready positioner 27 structure as shown in Figure 10, including：Trigger mechanism 29, guiding sleeveless axle
Set 30, tracker positioner shell 31, trigger mechanism back-moving spring 32, guide holder 33, impact spring 34, impact probe 35.
Its operation principle is：When tracker gets the internal thread connection that positioner 27 is installed to the hand-held gauge heads 26 of laser tracker I360 ready
After interface, I360 receives the laser sent from API laser trackers 28 in measurement network, and movement is mounted with tracker
Get the I360 of positioner 27 ready, when reaching the theoretical position in the system part positioning hole center of circle, trigger mechanism 29 is pressed, in triggering
Under mechanism drives, screens switch is released, and impact spring 34 returns to natural length, drives impact probe 35 to workpiece surface
Motion, the impact impact workpiece surface of probe 35, it is about the pit that 1mm depth is 0.2mm to leave diameter, after the completion of impact, will
I360 is moved away from workpiece surface, and positioning work is once got in completion ready；Finally, in the presence of trigger mechanism back-moving spring, machine is triggered
Structure returns to initial position, and screens switch resets, and with resetting means, impact probe 35 is moved back into initial position, and compression shock
Spring 34, under screens on-off action, realizes the function that limitation impact probe 35 is moved, and is to get positioning work ready next time to do standard
It is standby.
The present embodiment introduces Large-Scale Equipment manufacturing engineering system number of packages word by taking API laser tracker three-dimension measuring systems as an example
Change alignment system localization method, its operating procedure is as follows：
Step one：The hand-held gauge head 26 of API laser trackers 28, laser tracker I360 passes through with data communications processor 9
Power supply, data wire are attached, and with netting twine connection data communications processor and computer 8；
Step 2：The power supply of the hand-held gauge head 26 of API laser trackers 28, tracker I360 and computer 8 is respectively communicated with, is beaten
Drive tracker on computer and operate software, whether detection connection is reliable；
Step 3：Laser tracker three-dimensional high-precision measuring apparatus is arranged, and tracker three-dimensional measurement is carried with equipment
System calibrating bar is demarcated to laser tracker measurement network, sets up three-dimensional high-precision measurement network；
Step 4：Precision evaluation is carried out to three-dimensional measurement network, in the good measurement range of accessibility, and ensures that it is surveyed
Accuracy of measurement is δ, and it is suitable to take δ≤0.02mm；
Step 5：Gauge head 26 hand-held to tracker I360 is demarcated, and I360 horizontal probe and vertical spy are demarcated respectively
Pin, in a calibration process, the calibration of vertical probe rotate 30 degree, it is necessary to rotate I360 main frames 6 times every time；In horizontal probe school
On time, it is necessary to rotate I360 main frames 8 times, 30 degree are rotated every time., it is necessary to enter to fixed truing tool after completing once to rotate
Row measurement, and record data, are then calculated by MATLAB plug-in units, are required if precision is met, are completed calibration process,
If not up to required, need to recalibrate；
Step 6：The hand-held gauge heads 26 of tracker I360 are subjected to examination survey in measurement network, it is ensured that tracker I360 is hand-held
The visibility in three-dimensional measurement network of gauge head 26 reaches 98%；
Step 7：Mounting and positioning device demarcate bar, as shown in fig. 6, connecting to the hand-held universal threadeds of gauge head 26 of tracker I360
Connection interface, and truing tool is arranged in measurement network, the wherein length L1 of demarcate bar gets positioner 27 ready with tracker
Length L2 dimensional tolerance value be Δ, i.e., | L1-L2 |≤Δ, typically take Δ=0.01mm；
Step 8：Using the cooperative target for being mounted with positioner demarcate bar, certain point on truing tool is measured,
And rotate the hand-held gauge heads 26 of tracker I360 along all direction in spaces (left, right, front and rear) and two diagonal, also along with
The hand-held main shafts of gauge head 26 of track instrument I360 are rotated, and each anglec of rotation is 30, completes the calibration of positioner；
Step 9：Precision evaluation is carried out to positioner demarcate bar, if precision reaches requirement, positioner demarcated
Bar is replaced by tracker and gets positioner 27 ready, otherwise repeat step eight；
Step 10：Start SA Survey Softwares, connection API laser tracker 28 passes through API laser trackers 28 and cooperative target
Mark (target ball) completes measurement data jointly, and measurement data is alignd with gross data, evaluates alignment accuracy, meets and requires, then
Positioned, otherwise remeasured, then alignd；
Step 11：Positioner 27 and tracker I360 hands are got in the mobile tracking being fixed together ready in measurement network
Gauge head 26 is held, when tracker, which gets positioner 27 ready, is moved to system part position of positioning hole, trigger mechanism 29 is pressed, in triggering
Under mechanism drives, screens switch is released, and impact spring 34 returns to natural length, drives impact probe 35 to workpiece surface
Motion, the impact impact workpiece surface of probe 35, it is about the pit that 1mm, depth are about 0.2mm to leave diameter in workpiece surface, complete
Into positioning, get work ready.
Step 12：In the presence of trigger mechanism back-moving spring, trigger mechanism returns to initial position, and screens switch is multiple
Position, with resetting means, initial position, and compression shock spring 34 are moved back to by impact probe 35, real under screens on-off action
The function that now limitation impact probe 35 is moved, is to get positioning work ready next time to prepare.
Embodiment 3
The present embodiment reference picture 11 is described as follows：
As shown in figure 11, a kind of Large-Scale Equipment manufacturing engineering system part digital positioning system, including：Computer 8,
Data communications processor 9, described point/line positioner 19, four IGPS generating lasers 36, IGPS hand-held measuring appliances 37.Its
In be sequentially connected by power data transmission line between four IGPS generating lasers 36, only one of them need to be connected to data
On transmission processor 9, it is possible to realize the transmission of data, connected between computer 8 and data communications processor 9 by netting twine,
It ensure that data are quick, transmit in real time.Work wherein in the operation principle of described point/line positioner 19 and embodiment 1
Principle is identical, need to only change threaded connection interface, is allowed to the internal thread interface cooperation with IGPS hand-held measuring appliances.
The present embodiment introduces Large-Scale Equipment manufacturing engineering system part Digital location system by taking IGPS three-dimension measuring systems as an example
System localization method, its operating procedure is as follows：
Step one：Four IGPS generating lasers 36 are sequentially connected with power supply, data line, last and data
Transmission processor 9 is attached by power supply, data wire, and with netting twine connection data communications processor 9 and computer 8；
Step 2：The power supply of four IGPS generating lasers 36, data communications processor 9 and computer 8 is respectively communicated with, is beaten
Open IGPS measuring systems on computer and operate software；
Step 3：IGPS measurement networks are arranged, and IGPS measurement network demarcate bars are carried with equipment net is measured to IGPS
Network is demarcated, and sets up three-dimensional high-precision measurement network；
Step 4：Precision evaluation is carried out to three-dimensional measurement network, in the good measurement range of accessibility, and ensures that it is surveyed
Accuracy of measurement is δ, and it is suitable to take δ≤0.1mm；
Step 5：IGPS hand-held measuring appliances 37 are subjected to examination survey in measurement network, it is ensured that IGPS hand-held measuring appliances 37 exist
Visibility reaches 98% in three-dimensional measurement network；
Step 6：Mounting and positioning device demarcate bar, as shown in fig. 6, to cooperative target universal threaded connecting interface, and high-ranking officers
Quasi- instrument is arranged in measurement network, and the wherein length L1 of demarcate bar gets the length L2 of positioner 27 size ready with tracker
Tolerance value is Δ, i.e., | L1-L2 |≤Δ, and typically take Δ=0.01mm；
Rapid seven：Using the cooperative target for being mounted with positioner demarcate bar, certain point on truing tool is measured, and
IGPS hand-held measuring appliances 37 are rotated along all direction in spaces (left, right, front and rear) and two diagonal, it is hand-held also along IGPS
The main shaft of measuring instrument 37 is rotated, and completes the calibration of positioner；
Step 8：To positioner demarcate bar carry out precision evaluation, if precision reaches requirement, be replaced by described point/draw
Line positioner 19, otherwise repeat step seven；
Step 9：Alignd by measuring apparatus measurement data, and by measurement data with gross data, evaluate alignment accuracy,
Meet and require, then positioned, otherwise remeasured, then alignd；
Step 10：The mobile positioner and IGPS hand-held measuring appliances 37 being fixed together, works as positioning in measurement network
When device is moved to system part position of positioning hole, by driven triggering device, now inner slide 22 and marking pen 24 are jointly mobile, in work
Part surface leaves the black round dot that diameter is about 1mm, completes positioning, gets work ready.
The embodiment of the present invention is described above in association with accompanying drawing, but these explanations can not be understood to limitation
The scope of the present invention, protection scope of the present invention is limited by appended claims, any in the claims in the present invention base
Change on plinth is all protection scope of the present invention.
Claims (7)
1. a kind of Large-Scale Equipment manufacturing engineering system part digital positioning system, it is characterised in that including laser three-D high accuracy
Measuring apparatus, positioner, positioner demarcate bar, computer, laser three-D high-acruracy survey equipment are provided with cooperative target；Number
Data cube computation is carried out according to transmission processor with laser three-D high-acruracy survey equipment, computer, cooperative target respectively；Positioner
Including positioner overcoat, inner slide, back-moving spring, triggering device and interior axle, interior axle is closely connected with inner slide, before inner slide
Back-moving spring is set between end and positioner overcoat, and triggering device is filled through positioner overcoat and inner slide clamping, positioning
Overcoat front end is put provided with hole, interior axle front end is top to be stretched out from positioner overcoat front aperture.
2. a kind of localization method of Large-Scale Equipment manufacturing engineering system part digital positioning system as claimed in claim 1, its
It is characterised by, comprises the following steps：
1) laser three-D high-acruracy survey equipment is used, three-dimensional high-precision measurement network, and the three-dimensional high-precision to building is built
Measure network and carry out precision calibration；
2) positioner demarcate bar is attached to cooperative target, in the step 1) it is right in the three-dimensional high-precision built measurement network
Positioner is calibrated；
3) complete after positioner calibration, positioner demarcate bar is replaced by positioner, cooperative target is attached to；
4) in step 1) the mobile positioner being fixed together and cooperative target in the three-dimensional high-precision built measurement network, when
When positioner is moved to system part position of positioning hole, is positioned, get work ready.
3. a kind of localization method of Large-Scale Equipment manufacturing engineering system part digital positioning system as claimed in claim 2, its
It is characterised by, the step 1) specifically include procedure below：
1.1) power supply of laser three-D high-acruracy survey equipment and computer is respectively communicated with, opening is pre-installed in computer
Laser three-D high-acruracy survey equipment operation software；
1.2) laser three-D high-acruracy survey equipment, the caliberating device carried using laser three-D high-acruracy survey equipment 5 are arranged
Laser three-D high-acruracy survey equipment is demarcated, sets up three-dimensional high in laser three-D high-acruracy survey equipment operation software
Precision measure network；
1.3) by laser three-D high-acruracy survey equipment operation software to the step 1.2) measurement of the three-dimensional high-precision of component
Network carries out precision evaluation.
4. a kind of localization method of Large-Scale Equipment manufacturing engineering system part digital positioning system as claimed in claim 3, its
Be characterised by, the step 1.3) by laser three-D high-acruracy survey equipment operation software to the step 1.2) component three
Tie up High Precision Measurement Network and carry out precision evaluation, it is desirable to ensure that its measurement accuracy δ meets δ≤0.05mm.
5. a kind of localization method of Large-Scale Equipment manufacturing engineering system part digital positioning system as claimed in claim 2, its
It is characterised by, the step 2) specifically include procedure below：
2.1) by cooperative target in the step 1) examination survey is carried out in the three-dimensional high-precision of component measurement network, it is ensured that cooperative target
Visibility reaches 98% in three-dimensional measurement network；
2.2) positioner demarcate bar is attached to cooperative target, and truing tool is arranged in three-dimensional high-precision measurement network
It is interior；
2.3) using the cooperative target for being mounted with positioner demarcate bar, certain point on truing tool is measured, respectively edge
All direction in spaces and two diagonal rotate cooperative target, and rotated along cooperative target main shaft, complete positioning dress
The calibration put.
6. a kind of localization method of Large-Scale Equipment manufacturing engineering system part digital positioning system as claimed in claim 5, its
It is characterised by, the length L1 of the positioner demarcate bar and the length L2 of positioner dimensional tolerance range are δ, i.e., | L1-
L2 |≤δ, wherein δ=0.01mm.
7. a kind of localization method of Large-Scale Equipment manufacturing engineering system part digital positioning system as claimed in claim 2, its
It is characterised by, the step 4) specifically include procedure below：
4.1) by laser three-D high-acruracy survey device measuring data, and measurement data is alignd with gross data, evaluation pair
Neat precision, meets and requires, then positioned, otherwise remeasured, then alignd；
4.2) the mobile positioner being fixed together and cooperative target in network are measured in three-dimensional high-precision, when positioner is moved
When moving system part position of positioning hole, by driven triggering device, interior axle front end is top to be stretched out from positioner overcoat front end, in workpiece
Surface leaves obvious punctuate, completes positioning, gets work ready.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110672006A (en) * | 2019-08-21 | 2020-01-10 | 成都飞机工业（集团）有限责任公司 | Positioning system and method for digital positioning during aircraft assembly |
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