CN107389010A - Improve the supporting mechanism of three-dimensional measurement instrument measurement accuracy - Google Patents
Improve the supporting mechanism of three-dimensional measurement instrument measurement accuracy Download PDFInfo
- Publication number
- CN107389010A CN107389010A CN201710612395.4A CN201710612395A CN107389010A CN 107389010 A CN107389010 A CN 107389010A CN 201710612395 A CN201710612395 A CN 201710612395A CN 107389010 A CN107389010 A CN 107389010A
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- China
- Prior art keywords
- track
- movable block
- support column
- supporting mechanism
- dimensional measurement
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
- G01B21/047—Accessories, e.g. for positioning, for tool-setting, for measuring probes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses the supporting mechanism for improving three-dimensional measurement instrument measurement accuracy, including pedestal, the pedestal is provided with the track of arc, the both ends of track are connected to the top of pedestal, track is provided with the movable block of arc, the radian of movable block is consistent with the radian of track, movable block set is in orbit, and it can move in orbit, movable block is provided with connecting rod, connecting rod is provided with the mounting table for being used for placing measuring instrument, mounting table can follow movable block to move together, the support column that height can be adjusted is additionally provided with the top of pedestal, the top of support column is provided with supporting table, supporting table is used to place testee, supporting table can rotate around the axis of support column.Undetected object body is placed in supporting table by the present invention, three-dimensional measurement instrument is fixed on mounting table, moving movable block and rotational support platform along track can just measure to determinand, during measurement, ensure that the focus of three-dimensional measurement instrument is accurate, improve measurement accuracy.
Description
Technical field
The present invention relates to a kind of survey tool servicing unit, and in particular to improves the support of three-dimensional measurement instrument measurement accuracy
Mechanism.
Background technology
Three-dimensional measurement, as the term suggests being exactly that measured object carries out comprehensive measurement, determine the three-dimensional coordinate measurement number of measured object
According to.Its measuring principle is divided into four ranging, angular displacement, scanning, orientation aspects.Included according to the instrument that 3-D technology principle is researched and developed
Three kinds of photo taking type (structure light) spatial digitizer, laser 3 d scanner and three coordinate measuring machine measuring instruments.Three-dimensional measurement can
Be defined as " it is a kind of that there is the detector that can make three direction movements, it can be moved on three orthogonal guide rails, this detector
By contact or it is non-contact etc. in a manner of transmit signal, the displacement measurement system of three axles calculates through data processor or computer etc.
Each point coordinates (X, Y, Z) of workpiece and the measurement of various functions ".The measurement function of three-dimensional measurement should include dimensional accuracy, positioning
Precision, geometric accuracy and contour accuracy etc..
Recent years, three-dimensional laser scanning technique continues to develop and increasingly maturation, at present three-dimensional scanning device also gradual business
Industry, the huge advantage of three-dimensional laser scanner, which is that, can quickly scan testee, and being not required to reflecting prism can be direct
High-precision scanning cloud data is obtained, three-dimensional modeling and virtual reproduction so can be efficiently carried out to real world.
Therefore, it has become one of focus of current research, and in cultural relic digitalization protection, civil engineering, commercial measurement, natural calamity
The fields such as evil investigation, digital city terrain visualization, urban and rural planning are widely used.Surveying Engineering field:Dam and power station
Mapping, the detection in tunnel and the changes such as basic geological study measurement, road mapping, railway mapping, river channel mapping, bridge, structure foundation
Shape monitoring, the deformation monitoring of dam, tunnel underground engineering structure, measurement mine and volume calculate.In terms of structure measurement:Bridge changes
Extension project, bridge structure measurement, structure detection, monitoring, physical dimension measurement, locus conflict measurement, spatial area, body
The large size industrial enterprise internal units such as product measurement, the modeling of three-dimensional high-fidelity, offshore platform, measurement shipyard, power plant, chemical plant
Measurement;Pipeline, route survey, all kinds of machine-building installation.In terms of building, historic site measurement:The measurement of interior of building and outward appearance
The paleovolcanic structure such as fidelity, the protection of historic site (ancient building, statue etc.), historical relic reparation, ancient building measurement, data preservation, loses
Location is surveyed and drawn, fakement imaging, live dummy model, scene protection photologging.Emergency services industry:Anti-terrorism, land are detectd
Mapping is examined and attacked, is monitored, mobile to scout, disaster estimation, traffic accident orthograph, scene of a crime orthograph, forest fire prison
Control, landslide early warning, disaster alarm and field monitoring, nuclear leakage monitoring.Show business:For the design of product film, it is
The design that film performer and scene are carried out, the exploitation of 3D game, virtual museum, virtual tourism instruct, artificial imaging, and scene is empty
Intend, scene is virtual.
The measurement data of 3 D measuring instrument is accurate, is the high-acruracy survey for measuring three-dimensional geometry size and form and position tolerance
Instrument, belong to non-contact optical measuring instrument, will not there is damage, hand 3 D measuring instrument small volume, cost to body surface
Low, application is commonplace, at present due to human users' reason when using hand 3 D measuring instrument, it is difficult to ensure three-dimensional measurement
The focus of instrument is accurate, and harmful effect is produced to measurement result.
The content of the invention
The technical problems to be solved by the invention be current hand 3 D measuring instrument when in use, it is difficult to ensure that three-dimensional survey
The focus of amount instrument is accurate, influences the accuracy of measurement, and it is an object of the present invention to provide improving the support machine of three-dimensional measurement instrument measurement accuracy
Structure, solves problem described above.
The present invention is achieved through the following technical solutions:
The supporting mechanism of three-dimensional measurement instrument measurement accuracy, including pedestal are improved, the pedestal is provided with the track of arc,
The both ends of track are connected to the top of pedestal, and track is provided with the movable block of arc, the radian of movable block and the arc of track
Degree is consistent, and movable block set is in orbit, and can move in orbit, and movable block is provided with connecting rod, and connecting rod is provided with
For placing the mounting table of measuring instrument, mounting table can follow movable block to move together, and height is additionally provided with the top of the pedestal
The support column that can be adjusted is spent, the top of support column is provided with supporting table, and supporting table is used to place testee, and supporting table energy
Enough axis around support column rotate.
Further, some through holes are evenly provided with the track, retaining element, retaining element are additionally provided with movable block
It is interspersed in through hole, movable block is fixed in orbit.
Further, the mounting table includes connecting plate, boss and motion bar, and top and the connecting rod of connecting plate connect
Connect, boss is connected to the bottom of connecting plate, and motion bar is connected by screw thread with boss.
Further, the boss is two, respectively positioned at the axis both sides of connecting plate.
Further, sleeve is additionally provided with the top of the pedestal, sleeve is hollow structure, and with connecting at the top of sleeve
Logical, support column is located at the hollow interior of sleeve, and support column can move in sleeve.
Further, fastening bar is additionally provided with the outer wall of the sleeve, it is solid by screw thread and sleeve connection, rotation to fasten bar
Tight bar, fastening bar can be fixed on support column in sleeve.
Further, live bearing is additionally provided between the supporting table and support column, live bearing covers on the support columns, and
And live bearing can rotate around the axis of support column, supporting table is welded with live bearing.
Further, the supporting table is provided with two chutes, and chute is respectively on the axis both sides of supporting table, chute
Limited block is equipped with, limited block can move on chute.
Further, the axis of the supporting table intersects with the center of circle of track.
The present invention compared with prior art, has the following advantages and advantages:
1st, the present invention improves the supporting mechanism of three-dimensional measurement instrument measurement accuracy, and undetected object body is placed in supporting table,
Hand three-dimensional measurement instrument is fixed on mounting table, moving movable block and rotational support platform along track just can be to be measured
Thing measures, and during measurement, ensures that the focus of three-dimensional measurement instrument is accurate, improves measurement accuracy;
2nd, the present invention improves the supporting mechanism of three-dimensional measurement instrument measurement accuracy, simple in construction, convenient to operate, while can
The height of measured object is adjusted, shortens the spacing between three-dimensional measurement instrument and measured object, further improves measurement accuracy.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention;
Fig. 2 is the top view of supporting table of the present invention.
Mark and corresponding parts title in accompanying drawing:
1- pedestals, 2- tracks, 3- boss, 4- movable blocks, 5- retaining elements, 6- connecting rods, 7- connecting plates, 8- motion bars,
9- through holes, 10- supporting tables, 11- live bearings, 12- sleeves, 13- fasten bar, 14- support columns, 15- chutes, 16- limited blocks.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment
As shown in Figure 1 and Figure 2, the supporting mechanism of present invention raising three-dimensional measurement instrument measurement accuracy, including rectangular shape
Pedestal 1, the top of the pedestal 1 are provided with track 2, and track 2 is the arcuate shape of semicircle, and the both ends of track 2 are located at respectively
The axis both sides of pedestal 1, the center of circle of track 2 are on the axis of pedestal 1, and some through holes 9, track 2 are evenly provided with track 2
On be additionally provided with movable block 4, movable block 4 is located at arc, and the radian of movable block 4 is consistent with the radian of track 2,4 sets of movable block
On track 2, movable block 4 can move on track 2, and movable block 4 is provided with retaining element 5, and retaining element 5 is screw, Gu
Determining element 5 can be interspersed in through hole 9, and movable block 4 is fixed on track 2, realize the positioning to movable block 4, movable block 4
Bottom is provided with connecting rod 6, and connecting rod 6 is located at the centre of movable block 4, and the one end of connecting rod 6 is connected with movable block 4, on the other end
Provided with mounting table, mounting table is used to connect three-dimensional measurement instrument, and mounting table includes connecting plate 7, boss 3 and motion bar 8, connection
Plate 7 is connected with connecting rod 6, and boss 3 is two, is respectively positioned on the bottom of connecting rod 7, and two boss 3 are located at connecting rod 7 respectively
Axis both sides, motion bar 8 is also two, is connected through a screw thread respectively with boss 3, during rotary moveable bar 8, motion bar 8 can
Moved along the axis direction of boss 3, three-dimensional measurement instrument is placed on connecting plate 7, using motion bar 8, to three-dimensional measurement
Instrument is fixed;The top of the pedestal 1 is additionally provided with sleeve 12, and sleeve 12 is located at the circle centre position of track 2, inside sleeve 12
For hollow structure, and the top of sleeve 12 is provided with opening, and opening connects with the hollow structure inside sleeve 12, the sky of sleeve 12
Intracavitary is provided with support column 14, and support column 14 can move in the cavity of sleeve 12, to adjust the height of support column 14, sleeve 12
Outer wall be provided with fasten bar 13, fasten bar 13 be connected by screw thread with sleeve 12, rotation fasten bar 13, fastening bar 13 can
It is moved in the cavity of sleeve 12, and support column 14 is fixed in the cavity of sleeve 12, the top of support column 14, which is provided with, lives
Dynamic bearing 11, live bearing 11 are enclosed on support column 14, and live bearing 11 can rotate around the axis of support column 14, movable axis
The top for holding 11 is provided with supporting table 10, and supporting table 10 is welded with live bearing 11, and supporting table 10 can follow live bearing 11 1
Rise and rotate, supporting table 10 is used to place object to be detected, because supporting table 10 can rotate, is easy to measurement object with good
Measure;The section of the supporting table 10 is circle, and the top of supporting table 10 is provided with two chutes 15, and chute 15 distinguishes position
In the axis both sides of supporting table 10, limited block 16 is equipped with chute 15, limited block 16 includes the contiguous block for being arranged on bottom, even
Connect block to match with chute 15, contiguous block is located in chute 15, and contiguous block can move in chute 15, and limited block 16 can
And then contiguous block moves together, to change the spacing between two limiting plates 16, enters in the object for having certain radian to bottom
During row measurement, it is impossible to it is stable to be placed in supporting table 10, therefore the limited block 16 set can play fixed effect, limit
Determinand tumbles from supporting table 10.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (9)
1. improve the supporting mechanism of three-dimensional measurement instrument measurement accuracy, it is characterised in that:Including pedestal (1), on the pedestal (1)
Track (2) provided with arc, the both ends of track (2) are connected to the top of pedestal (1), and track (2) is provided with the work of arc
Motion block (4), the radian of movable block (4) is consistent with the radian of track (2), and movable block (4) is enclosed on track (2), and can be
Track moves on (2), and movable block (4) is provided with connecting rod (6), and connecting rod (6) is provided with the placement for being used for placing measuring instrument
Platform, mounting table can follow movable block (4) to move together, and the support that height can be adjusted is additionally provided with the top of the pedestal (1)
Post (14), the top of support column (14) are provided with supporting table (10), and supporting table (10) is used to place testee, and supporting table
(10) can be rotated around the axis of support column (14).
2. the supporting mechanism according to claim 1 for improving three-dimensional measurement instrument measurement accuracy, it is characterised in that:The rail
Some through holes (9) are evenly provided with road (2), retaining element (5) is additionally provided with movable block (4), retaining element (5) is interspersed in logical
In hole (9), movable block (4) is fixed on track (2).
3. the supporting mechanism according to claim 1 for improving three-dimensional measurement instrument measurement accuracy, it is characterised in that:It is described to put
Putting platform includes connecting plate (7), boss (3) and motion bar (8), and the top of connecting plate (7) is connected with connecting rod (6), boss (3)
The bottom of connecting plate (7) is connected to, motion bar (8) is connected by screw thread with boss (3).
4. the supporting mechanism according to claim 3 for improving three-dimensional measurement instrument measurement accuracy, it is characterised in that:It is described convex
Platform (3) is two, respectively positioned at the axis both sides of connecting plate (7).
5. the supporting mechanism according to claim 1 for improving three-dimensional measurement instrument measurement accuracy, it is characterised in that:The base
Sleeve (12) is additionally provided with the top of seat (1), sleeve (12) is hollow structure, and connected with the top of sleeve (12), support column
(14) positioned at the hollow interior of sleeve (12), and support column (14) can move in sleeve (12).
6. the supporting mechanism according to claim 5 for improving three-dimensional measurement instrument measurement accuracy, it is characterised in that:The set
It is additionally provided with the outer wall of cylinder (12) and fastens bar (13), is fastened bar (13) and be connected by screw thread with sleeve (12), rotation fastens bar
(13) support column (14) can be fixed in sleeve (12) by, fastening bar (13).
7. the supporting mechanism according to claim 5 for improving three-dimensional measurement instrument measurement accuracy, it is characterised in that:The branch
Live bearing (11) is additionally provided between support platform (10) and support column (14), live bearing (11) is enclosed on support column (14), and
Live bearing (11) can be rotated around the axis of support column (14), and supporting table (10) is welded with live bearing (11).
8. the supporting mechanism according to claim 1 for improving three-dimensional measurement instrument measurement accuracy, it is characterised in that:The branch
Support platform (10) is provided with two chutes (15), and chute (15) is equal on the axis both sides of supporting table (10), chute (15) respectively
Provided with limited block (16), limited block (16) can move on chute (15).
9. the supporting mechanism according to claim 1 for improving three-dimensional measurement instrument measurement accuracy, it is characterised in that:The branch
The axis of support platform (10) intersects with the center of circle of track (10).
Priority Applications (1)
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CN201710612395.4A CN107389010A (en) | 2017-07-25 | 2017-07-25 | Improve the supporting mechanism of three-dimensional measurement instrument measurement accuracy |
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CN201710612395.4A CN107389010A (en) | 2017-07-25 | 2017-07-25 | Improve the supporting mechanism of three-dimensional measurement instrument measurement accuracy |
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CN201710612395.4A Pending CN107389010A (en) | 2017-07-25 | 2017-07-25 | Improve the supporting mechanism of three-dimensional measurement instrument measurement accuracy |
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Cited By (3)
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TWI705823B (en) * | 2014-03-31 | 2020-10-01 | 德商百靈佳殷格翰維美迪加股份有限公司 | Improved modular antigen transportation molecules and uses therof |
CN112611337A (en) * | 2020-11-23 | 2021-04-06 | 江苏科技大学 | Three-dimensional measurement device and method based on binocular stereo vision |
CN115218070A (en) * | 2022-07-08 | 2022-10-21 | 惠州帆声智创科技有限公司 | Radian guide rail mechanism |
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CN201300304Y (en) * | 2008-08-28 | 2009-09-02 | 周刚 | Circular arc-shaped or round gantry structure used for machine tools, robots and mechanical measuring machines |
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TWI705823B (en) * | 2014-03-31 | 2020-10-01 | 德商百靈佳殷格翰維美迪加股份有限公司 | Improved modular antigen transportation molecules and uses therof |
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CN115218070A (en) * | 2022-07-08 | 2022-10-21 | 惠州帆声智创科技有限公司 | Radian guide rail mechanism |
CN115218070B (en) * | 2022-07-08 | 2024-02-20 | 惠州帆声智创科技有限公司 | Radian guide rail mechanism |
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Application publication date: 20171124 |