CN208635724U - A kind of combined type image gauge head component and combined type image coordinate measuring instrument - Google Patents
A kind of combined type image gauge head component and combined type image coordinate measuring instrument Download PDFInfo
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- CN208635724U CN208635724U CN201821461440.7U CN201821461440U CN208635724U CN 208635724 U CN208635724 U CN 208635724U CN 201821461440 U CN201821461440 U CN 201821461440U CN 208635724 U CN208635724 U CN 208635724U
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Abstract
The utility model discloses a kind of combined type image gauge head component and combined type image coordinate measuring instruments, are related to coordinate measuring technology field.Specifically, the combined type image coordinate measuring instrument includes image gauge head and measurement of coordinates gauge head, there is high measurement accuracy and measurement efficiency.And, it includes measurement of coordinates gauge head include detection seat, contractile detection bar and survey ball, detection bar is equipped with the pressure sensor of the contraction process for controlling the detection bar, gauge head can be prevented or reduced because of the situation for causing deformation, touching disconnected because of mutual excessive compression between measurement workpiece/measuring table, have the advantages that long service life and service precision are high.
Description
Technical field
The utility model relates to coordinate measuring technology field, in particular to a kind of combined type image gauge head component with
And combined type image coordinate measuring instrument.
Background technique
Image measurer is the contemporary optics non-contact measuring device to grow up on the basis of digitized image measuring instrument.
It, which holds, has continued the excellent kinematic accuracy of digitized instrument and movement handling, merges the design intelligence of machine vision software, is
The optical dimensions in current forward position detect setting.Image measurer using non-contact measurement, can to flexible article into
Row measurement, can also measure some impalpable objects, and be Digital Image Processing, and computer identification acquires fast speed.
But existing image measurer has that measurement accuracy is not high.
And coordinate measuring apparatus, it is to establish mechanical coordinate system using the platform of measuring instrument as reference planes, acquires measured workpiece
The coordinate value of measured point on surface, and project in space coordinates, construct the spatial model of workpiece.There is the space of workpiece
Model, coordinate measuring machine can calculate required geometric parameter.Coordinate measuring apparatus has as high-precision measuring device
Advantage with high accuracy, full accuracy can achieve 1 micron, even higher.
But existing coordinate measuring apparatus has certain defect, for example, the stylus of coordinate measuring apparatus is small, it is easily-deformable,
Measuring speed is slow.Because coordinate measuring apparatus mostly uses the measurement of contact, stylus needs to occur with workpiece in detection
Contact, in the actual operation process, the risk that stylus is easy to happen collision deformation or touching is broken, especially for some operators
Horizontal limited situation, stylus deformation or touching, which are broken, will affect measurement accuracy and job schedule, cause unnecessary loss.
Utility model content
The purpose of this utility model is to provide a kind of combined type image gauge head components, and having makes equipped with the gauge head component
Image measurer have the advantages that high measurement accuracy and measurement efficiency, and the measurement of coordinates gauge head in the component can be prevented
Only or gauge head is reduced because of the situation for causing deformation, touching disconnected because of mutual excessive compression between measurement workpiece/measuring table, have
Long service life and the high advantage of service precision.
The another object of the utility model is to provide a kind of combined type image coordinate measuring instrument comprising has above-mentioned compound
Formula image gauge head component has the advantages that measurement accuracy height and measurement efficiency are good, and the long service life of the measurement of coordinates gauge head,
It can prevent situation about deforming caused by because of operation error or touching is disconnected.
The embodiments of the present invention are achieved in that
A kind of combined type image gauge head component comprising have image gauge head and measurement of coordinates gauge head；
Wherein, image gauge head includes CCD camera；Measurement of coordinates gauge head includes detection seat, contractile detection bar
And survey ball；One end of detection bar is connected on detection seat, and the other end is connect with ball is surveyed, and detection bar is equipped with for controlling detection bar
Contraction process pressure sensor, pressure sensor with for control detection bar contraction control system be electrically connected.
In the utility model preferred embodiment, above-mentioned detection bar includes the first measuring staff, the second measuring staff and contraction
Device；
Constriction device is set on detection seat, and the contraction pole of constriction device is connect with one end of the second measuring staff, the second measuring staff
The other end be connected with the first measuring staff, the one end of the first measuring staff far from the second measuring staff with survey ball connect.
In the utility model preferred embodiment, above-mentioned detection bar includes the contraction shell for protecting detection bar, is received
Contracting shell is set on detection seat, and the second measuring staff, which is located at, to be shunk in shell, and the first measuring staff is slidably connected with the one end for shrinking shell；
When contraction pole is in elongation state, the first measuring staff, which is located at, to be shunk outside shell；When contraction pole is in contraction state,
Part or all of first measuring staff, which is located at, to be shunk in shell.
In the utility model preferred embodiment, above-mentioned detection bar includes to shrink switch；
The one end for shrinking switch is connected with shell is shunk, and the outer wall of the other end and the first measuring staff or the second measuring staff is detachable
Connection.
In the utility model preferred embodiment, above-mentioned contraction switch is one or more telescopic devices；
Telescopic device is set on the inner sidewall for shrinking shell, and the second measuring staff is equipped with one or more connecting holes, is stretched
In the telescopic rod alternative insertion connecting hole of device.
In the utility model preferred embodiment, above-mentioned pressure sensing is set between the first measuring staff and the second measuring staff.
In the utility model preferred embodiment, above-mentioned detection bar further includes having guide part；
Guide part is set on detection seat, and the second measuring staff is equipped with and guide part shape size phase far from one end of the first measuring staff
The pilot hole matched.
In the utility model preferred embodiment, above-mentioned guide part is the bulge-structure for protruding from detection seat one end, is led
It is gradually reduced to the outer diameter of part along the direction far from detection seat.
A kind of combined type image coordinate measuring instrument comprising have above-mentioned combined type image gauge head component.
In the utility model preferred embodiment, above-mentioned measuring table and the measurement arm above measuring table；
Measurement arm is connected with the image gauge head of combined type image gauge head component and measurement of coordinates gauge head, and image gauge head position
In the side of measurement of coordinates gauge head.
The beneficial effect of the utility model embodiment is:
Combined type image gauge head component provided by the embodiment of the utility model comprising have image gauge head and measurement of coordinates
Gauge head makes the measuring instrument equipped with the gauge head component have high measurement accuracy and measurement efficiency.Coordinate in its component
Measurement gauge head can prevent or reduce gauge head because cause between measurement workpiece/measuring table because of mutual excessive compression deformation,
The disconnected situation of touching, has the advantages that long service life and service precision are high.
Combined type image coordinate measuring instrument provided by the embodiment of the utility model comprising have above-mentioned combined type image gauge head
Component, the combined type image coordinate measuring instrument have the advantages that measurement accuracy is high, measurement efficiency is good.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the combined type image coordinate measuring instrument that the utility model embodiment 1 provides；
Fig. 2 is the structural schematic diagram of the measurement of coordinates gauge head in the combined type image coordinate measuring instrument in Fig. 1；
Fig. 3 is equipped with structural schematic diagram when guide part for the measurement of coordinates gauge head in Fig. 2；
Fig. 4 is that the measurement of coordinates gauge head in Fig. 2 is equipped with the structural schematic diagram shunk when switching.
In figure: 10- combined type image coordinate measuring instrument；101- measuring table；103- support arm；105- crossbeam；107- is surveyed
Measure arm；20- measurement of coordinates gauge head；201- detects seat；203- surveys ball；205- pressure sensor；The first measuring staff of 211-；213- second
Measuring staff；215- constriction device；217- shrinks shell；219- shrinks switch；221- guide part；223- connecting hole；30- image is surveyed
Head.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this
Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model
Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Embodiment 1
Attached drawing 1 is please referred to, the present embodiment provides a kind of combined type image coordinate measuring instruments 10 comprising has measuring table
101, support arm 103, crossbeam 105, image gauge head 30, measurement of coordinates gauge head 20, control system and computer system.With survey
Accuracy of measurement height and the good advantage of measurement efficiency, and the long service life of the measurement of coordinates gauge head 20, can prevent because of operation error
Caused by deform or situation that touching is disconnected.
Specifically, measuring table 101 is above-mentioned is equipped with sliding slot, and support arm 103 is vertical at the top of measuring table 101, and
One end of support arm 103 is slidably connected to sliding slot (Y-axis sliding slot).Support arm 103 is equipped with crossbeam far from one end of measuring table 101
105, crossbeam 105 is vertically arranged with support arm 103, and crossbeam 105 is equipped with guide rail (X-axis slide rail).Measurement arm 107 is perpendicular to leading
Rail or crossbeam 105, and measure arm 107 and be slidably connected with guide rail.
Measure arm 107 in be equipped with driving piston, driving piston can move along the vertical direction (or measurement arm 107 axial direction side
To Z axis), the movable end of measurement arm 107 is connected with measurement of coordinates gauge head 20 and image gauge head 30, and measurement of coordinates gauge head 20
Positioned at the side of image gauge head 30.The component is with making the image measurer equipped with the gauge head component have high measurement essence
The advantages of degree and measurement efficiency.And the measurement of coordinates gauge head 20 in the component can prevent or reduce gauge head because with measurement workpiece/
The situation for causing deformation, touching disconnected because of mutual excessive compression between measuring table 101, has long service life and service precision
High advantage.
Specifically, image gauge head 30 includes the upper light source of CCD camera and CCD camera upper end.CCD camera is adopted
With high-resolution color CCD, impact effect high-definition can be formed, the picture of high-quality is provided, improves the measurement of measuring instrument
Precision and measurement efficiency.It should be noted that CCD camera can with external RENISHAW gauge head, dot laser probe etc.,
To realize three-dimensional measurement.
The upper light source of CCD camera includes multiple LED light sources for being uniformly surrounded on CCD camera upper end, light source on this
For light emitting angle towards one end of CCD camera, which can also include the lower light source positioned at CCD camera lower end,
Lower light source is located at the lower end of CCD camera, and light emitting angle is towards CCD camera.Upper light source cooperatively forms powerful with lower light source
Lamp lighting system, the dimension and shape of different light effects measurement measured workpieces can be utilized.
Further, referring to attached drawing 2, measurement of coordinates gauge head 20 includes detection seat 201, contractile detection bar, surveys
Ball 203 and pressure sensor 205.One end of detection seat 201 is connected to the movable end of measurement arm 107, the other end and detection bar
One end be connected.Bar is detected to be equipped with for controlling the pressure sensor 205 for detecting bar contraction process, pressure sensor 205 and use
In the control system electrical connection that control detection bar is shunk.
Specifically, detection bar includes the first measuring staff 211, the second measuring staff 213, constriction device 215, is used to protect detection bar
Contraction shell 217, shrink switch 219 and guide part 221.
Constriction device 215 is in detection bar and to measure workpiece or detect the excessive compression between bar and measuring table 101
When, the length of detection bar can be adjusted, avoids the touching of detection bar disconnected or deformation, to improve measurement precision.Constriction device 215
It is electrically connected to the control system, control system controls whether to shrink the length of detection bar by the signal that pressure sensor 205 transmits
And shrink the length of how many control-rod.
Specifically, constriction device 215 is set on detection seat 201, the contraction pole of constriction device 215 and the second measuring staff 213
One end connection, the other end of the second measuring staff 213 is connected with the first measuring staff 211, the first measuring staff 211 far from the second measuring staff 213 one
End is connect with ball 203 is surveyed.In the utility model embodiment, measuring staff is divided into the first measuring staff 211 and the second measuring staff 213, and first
Measuring staff 211 can shorten length under the action of constriction device 215 with the second measuring staff 213, avoid detection bar touching disconnected or deformation
The problem of.
In the present embodiment, pressure sensor 205 is set between the first measuring staff 211 and the second measuring staff 213.It needs to illustrate
It is that in other embodiments, pressure sensor 205 can be set in the first side lever or the second measuring staff 213.
Coordinate measuring apparatus provided by the embodiment of the utility model is contact measuring head, and in contact process, gauge head is possible to
Slight inevitable offset or deformation occurs, detects bar setting guide part 221 to correct the deformation of detection bar.
Specifically, attached drawing 3 is please referred to, guide part 221 is set on detection seat 201, and the second measuring staff 213 is far from the first measuring staff
211 one end is equipped with the pilot hole to match with 221 shape size of guide part.Further, the number of pilot hole and position with
Guide part 221 is arranged in a one-to-one correspondence.Control system can make 213 phase of the second measuring staff close to detection seat 201 by constriction device 215
Direction is subjected to displacement, so that guide part 221 is slidably connected with pilot hole.
Guide part 221 is the bulge-structure for protruding from detection 201 one end of seat, and the outer diameter of guide part 221 is along far from detection seat
201 direction is gradually reduced, in this way setting enable even if having occurred slightly deform or deviate detection bar in the second measuring staff
213 move closer to during detecting seat 201, gradually correction position.So that detection bar, the first measuring staff 211 or the second measuring staff 213
It can restore prototype.
In the present embodiment, it detects and is changed on seat 201 equipped with 1 guide part 221, guide part 221 is cone structure, is needed
Bright, in other embodiments, the number of guide part 221 can be set to 2,3, a or 4 etc., the shape of guide part 221
Shape size can be selectively arranged in reasonable range.
Shrink shell 217, for protecting detection bar in contraction process, prevent or reduce detection bar because by outer diameter because
Measurement accuracy is inaccurate caused by element.It shrinks shell 217 to be set on detection seat 201, the second measuring staff 213, which is located at, shrinks shell 217
Interior, when the contraction pole of constriction device 215 is in elongation state, the first measuring staff 211, which is located at, to be shunk outside shell 217；Work as contraction pole
When in contraction state, part or all of first measuring staff 211, which is located at, to be shunk in shell 217.
In the present embodiment, contraction pole is in the normal operating condition that elongation state is measurement of coordinates gauge head 20.Work as pressure
When sensor 205 receives the first measuring staff 211 or surveys the compression signal of ball 203, signal is passed to control system by pressure sensor 205
System, control system control constriction device 215 and shrink the second measuring staff 213, to shorten survey ball 203 and detect the interval between seat 201
Distance avoids the deformation of the first measuring staff 211 or the second measuring staff 213 or touches disconnected problem.
In measurement process, constriction device 215 can be avoided the deformation of detection bar or touch disconnected problem, but in measurement process
In, the stiffness and strength for detecting bar are also to improve or ensure the key of measurement accuracy.The utility model embodiment setting, which is shunk, opens
219 are closed to control the start-stop of 213 contraction process of the second measuring staff.It shrinks switch 219 to be electrically connected to the control system, control system passes through
Pressure sensor 205 controls whether detection bar to be shunk, and the second measuring staff 213 can be given radially by shrinking 219 one side of switch
One support force is their ability to more stably keep its rigidity and verticality, further increases the measuring accuracy of detection bar,
Avoid measurement error.
Shrink switch 219 one end with contraction shell 217 be connected, contraction switch 219 the other end and the first measuring staff 211 or
The outer wall detachable connection of second measuring staff 213.Further, shrinking switch 219 is one or more telescopic devices, and stretch dress
It sets on the inner sidewall for being set to and shrinking shell 217, the second measuring staff 213 is equipped with one or more connecting holes 223, telescopic device
Telescopic rod alternative is inserted into connecting hole 223, to control the position of the second measuring staff 213 and the first measuring staff 211.
It in the present embodiment, include 2 contraction switches 219 (telescopic device), telescopic device, which is set to, shrinks shell 217
On inner wall, the second measuring staff 213 is equipped with one and matches corresponding company with the shape of the telescopic rod of the telescopic device, size, position
Connect hole 223.Under normal operating condition, the telescopic rod of telescopic device is in elongation state, and telescopic rod is located in connecting hole 223,
To limit the first measuring staff 211 and the second measuring staff 213 and shrink the relative displacement between shell 217.When control system is pressed
The signal of force snesor 205, when control telescopic device shortens telescopic rod, the first measuring staff 211 can shunk with the second measuring staff 213
Under the action of device 215, axial displacement occurs to the normal direction close to detection seat 201.
It should be noted that in other embodiments, the number for shrinking switch 219 can be set to 1,3 or 4,
Shrinking switch 219 can be set on the lateral wall for shrinking shell 217, and connecting hole 223 can be set on the first measuring staff 211.
In use, radiographic measurement has unrivaled measuring speed advantage, coordinate in two dimensional size measurement
Measurement gauge head 20 has the advantages that measurement accuracy, by control system according to use demand, optimal gauge head can be used, to mention
High measurement accuracy and measurement efficiency.
To sum up, combined type image gauge head component provided by the embodiment of the utility model comprising have image gauge head and seat
Mapping measuring head makes the measuring instrument equipped with the gauge head component have high measurement accuracy and measurement efficiency.In its component
Measurement of coordinates gauge head can prevent or reduce gauge head and cause because between measurement workpiece/measuring table because of mutual excessive compression
The disconnected situation of deformation, touching, has the advantages that long service life and service precision are high.
Combined type image coordinate measuring instrument provided by the embodiment of the utility model comprising have above-mentioned combined type image gauge head
Component, the combined type image coordinate measuring instrument have the advantages that measurement accuracy is high, measurement efficiency is good.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of combined type image gauge head component, which is characterized in that it includes image gauge head and measurement of coordinates gauge head；
Wherein, the image gauge head includes CCD camera；
The measurement of coordinates gauge head includes detection seat, contractile detection bar and surveys ball；One end connection of the detection bar
In on the detection seat, the other end is connect with the survey ball, and the detection bar is equipped with the contraction for controlling the detection bar
The pressure sensor of journey, the pressure sensor are electrically connected with for controlling the control system that detection bar is shunk.
2. combined type image gauge head component according to claim 1, which is characterized in that the detection bar includes the first survey
Bar, the second measuring staff and constriction device；
The constriction device is set on the detection seat, and one end of the contraction pole of the constriction device and second measuring staff connects
It connects, the other end of second measuring staff is connected with first measuring staff, the one end of first measuring staff far from second measuring staff
It is connect with the survey ball.
3. combined type image gauge head component according to claim 2, which is characterized in that the detection bar includes for protecting
The contraction shell of the detection bar, the contraction shell are set on the detection seat, and second measuring staff is located at the contraction shell
In vivo, first measuring staff is slidably connected with described one end for shrinking shell；
When the contraction pole is in elongation state, first measuring staff is located at outside the contraction shell；At the contraction pole
When contraction state, part or all of first measuring staff is located in the contraction shell.
4. combined type image gauge head component according to claim 3, which is characterized in that the detection bar includes that contraction is opened
It closes；
Described one end for shrinking switch is connected with the contraction shell, the other end and first measuring staff or second measuring staff
Outer wall detachable connection.
5. combined type image gauge head component according to claim 4, which is characterized in that the contraction switch is one or more
A telescopic device；
The telescopic device is set on the inner sidewall for shrinking shell, and second measuring staff is equipped with one or more connections
The telescopic rod alternative in hole, the telescopic device is inserted into the connecting hole.
6. combined type image gauge head component according to claim 3, which is characterized in that the pressure sensing is set to described the
Between one measuring staff and second measuring staff.
7. according to the described in any item combined type image gauge head components of claim 2~6, which is characterized in that the detection bar is also
It include guide part；
The guide part is set on the detection seat, and second measuring staff is equipped with far from one end of first measuring staff and leads with described
The pilot hole to match to part shape size.
8. combined type image gauge head component according to claim 7, which is characterized in that the guide part is described to protrude from
The bulge-structure of seat one end is detected, the outer diameter of the guide part is gradually reduced along the direction far from the detection seat.
9. a kind of combined type image coordinate measuring instrument, which is characterized in that it includes according to any one of claims 1 to 8 multiple
Box-like image gauge head component.
10. combined type image coordinate measuring instrument according to claim 9, which is characterized in that it include measuring table and
Measurement arm above the measuring table；
The measurement arm is connected with the image gauge head of the combined type image gauge head component and the measurement of coordinates gauge head,
And the image gauge head is located at the side of the measurement of coordinates gauge head.
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| CN201821461440.7U CN208635724U (en) | 2018-09-06 | 2018-09-06 | A kind of combined type image gauge head component and combined type image coordinate measuring instrument |
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| CN201821461440.7U CN208635724U (en) | 2018-09-06 | 2018-09-06 | A kind of combined type image gauge head component and combined type image coordinate measuring instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234798A (en) * | 2021-11-04 | 2022-03-25 | 苏州天准科技股份有限公司 | Combined type coordinate measuring instrument |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234798A (en) * | 2021-11-04 | 2022-03-25 | 苏州天准科技股份有限公司 | Combined type coordinate measuring instrument |
| WO2023077860A1 (en) * | 2021-11-04 | 2023-05-11 | 苏州天准科技股份有限公司 | Composite coordinate measurement instrument |
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