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 PDF

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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
Authority
CN
China
Prior art keywords
track
movable block
support column
supporting mechanism
dimensional measurement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710612395.4A
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Chinese (zh)
Inventor
周姝
魏能强
兰波
杨科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
API ZC Chengdu Precision Instrument Co Ltd
Original Assignee
API ZC Chengdu Precision Instrument Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by API ZC Chengdu Precision Instrument Co Ltd filed Critical API ZC Chengdu Precision Instrument Co Ltd
Priority to CN201710612395.4A priority Critical patent/CN107389010A/en
Publication of CN107389010A publication Critical patent/CN107389010A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02Measuring 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
    • G01B21/04Measuring 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
    • G01B21/047Accessories, 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

Improve the supporting mechanism of three-dimensional measurement instrument measurement accuracy
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).
CN201710612395.4A 2017-07-25 2017-07-25 Improve the supporting mechanism of three-dimensional measurement instrument measurement accuracy Pending CN107389010A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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CN1987343A (en) * 2006-11-04 2007-06-27 大连海事大学 Intelligent holographic three dimension laser measuring system
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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CN205209444U (en) * 2015-12-10 2016-05-04 南京农业大学 Three -dimensional scanning device
CN205280001U (en) * 2015-12-30 2016-06-01 郭进 A 3d scanner
CN205580411U (en) * 2016-04-29 2016-09-14 王尔奇 Novel test table is examined to machinery instrument device
CN106152944A (en) * 2016-09-07 2016-11-23 东北林业大学 The flat motion detection device of log based on the Airborne Laser Scan
CN205748295U (en) * 2015-12-15 2016-11-30 深圳长景视觉科技有限公司 Semicircular 3D scanner based on motion guide rail formula imageing sensor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1987343A (en) * 2006-11-04 2007-06-27 大连海事大学 Intelligent holographic three dimension laser measuring system
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
CN101750027A (en) * 2008-12-01 2010-06-23 财团法人工业技术研究院 Three-dimensional feature detection device
CN202885785U (en) * 2012-09-24 2013-04-17 同济大学 A automatic laser non-contact measuring device used for measuring the outline of the transverse section and the vertical section of a steel rail
CN204100993U (en) * 2014-10-24 2015-01-14 黑龙江科大科技开发有限公司 3 D measuring instrument support
CN205209444U (en) * 2015-12-10 2016-05-04 南京农业大学 Three -dimensional scanning device
CN205748295U (en) * 2015-12-15 2016-11-30 深圳长景视觉科技有限公司 Semicircular 3D scanner based on motion guide rail formula imageing sensor
CN205280001U (en) * 2015-12-30 2016-06-01 郭进 A 3d scanner
CN205580411U (en) * 2016-04-29 2016-09-14 王尔奇 Novel test table is examined to machinery instrument device
CN106152944A (en) * 2016-09-07 2016-11-23 东北林业大学 The flat motion detection device of log based on the Airborne Laser Scan

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN112611337B (en) * 2020-11-23 2022-07-08 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
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