CN105241404A - Multi-arm measuring instrument facilitating coordinate measuring value accuracy - Google Patents
Multi-arm measuring instrument facilitating coordinate measuring value accuracy Download PDFInfo
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- CN105241404A CN105241404A CN201510629824.XA CN201510629824A CN105241404A CN 105241404 A CN105241404 A CN 105241404A CN 201510629824 A CN201510629824 A CN 201510629824A CN 105241404 A CN105241404 A CN 105241404A
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- gage beam
- arm
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- measuring instrument
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Abstract
The invention discloses a multi-arm measuring instrument facilitating coordinate measuring value accuracy. The multi-arm measuring instrument comprises a measuring arm and a scanning head fixed on the free end of the measuring arm. The measuring arm comprises a first measuring arm, a second measuring arm and a third measuring arm, wherein any one end of the first measuring arm is in hinged connection with any one end of the second measuring arm through a hinged portion, the other end of the second measuring arm is in hinged connection with the third measuring arm through one hinged portion, the scanning head is fixed on the free end of the third measuring arm, the free end of the first measuring arm is also provided with a fixing base, and hinged shafts of the two hinged portions are parallel to each other; and the first measuring arm, the second measuring arm and the third measuring arm are each provided with a temperature sensor. The multi-arm measuring instrument is portable in structure and high in measuring precision, thereby being particularly suitable for three-coordinate measurement of a heavy measured object.
Description
Technical field
The present invention relates to dimension measuring apparatus field, particularly relate to a kind of multi-arm measuring instrument being beneficial to measurement of coordinates Numerical accuracy.
Background technology
Three coordinate measuring machine is mainly used in the measurement of casing, frame, gear, cam, worm gear, worm screw, blade, curve, curved surface etc. in the industries such as middle-size and small-size accessory, mould such as machinery, automobile, aviation, military project, furniture, instrument prototype, machine, also can be used in the industries such as electronics, five metals, plastic cement, Precision measurement can be carried out to the size of workpiece, shape and form and position tolerance, thus complete the tasks such as piece test, profile measurement, process control.Three-dimensional coordinates measurement measures and one of the most effective method obtaining dimensional data, because it can replace the built-up gauge of kinds of surface survey instrument and costliness, and the measurement required by task time of complexity from hour to reduce to minute.The function of three coordinate measuring machine evaluates dimensional data rapidly and accurately, and for operator provides the useful information about production run situation, this and all manual measurement equipment make a big difference.Testee is placed in three-dimensional coordinates measurement space, the coordinate position of each measuring point on testee can be obtained, according to the spatial value of these points, obtain the physical dimension of testee, shape and position as calculated.
Existing three coordinate measuring machine is comparatively heavy, and carry out measuring needs by workpiece or component moving on the test desk of three coordinate measuring machine, and the handling process of above workpiece or parts wastes time and energy, and is unfavorable for measuring efficiency to the profile of workpiece or parts.
Summary of the invention
Comparatively heavy for above-mentioned existing three coordinate measuring machine, carrying out measuring needs workpiece or component moving on the test desk of three coordinate measuring machine, the handling process of above workpiece or parts wastes time and energy, be unfavorable for measuring the problem of imitating to the profile of workpiece or parts, the invention provides a kind of multi-arm measuring instrument being beneficial to measurement of coordinates Numerical accuracy.
For solving the problem, the multi-arm measuring instrument being beneficial to measurement of coordinates Numerical accuracy provided by the invention solves problem by following technical essential: the multi-arm measuring instrument being beneficial to measurement of coordinates Numerical accuracy, comprise gage beam and be fixed on the scanner head on gage beam free end, described gage beam comprises the first gage beam, second gage beam and the 3rd gage beam, any one end of described first gage beam and any one end of the second gage beam are articulated and connected by an articulated section, the other end and the 3rd gage beam of the second gage beam are articulated and connected by an articulated section, scanner head is fixed on the free end of the 3rd gage beam, the free end of the first gage beam is also provided with holder, the jointed shaft of two articulated sections is parallel to each other, described first gage beam, the second gage beam and the 3rd gage beam are provided with temperature sensor, and the output terminal of each temperature sensor is all connected in the processing module of scanner head.
Concrete, in above structure, the holder arranged is used for this structure in workpiece or other the fixing of parts, by gage beam is set to many, namely the first gage beam is respectively, second gage beam and the 3rd gage beam, the simultaneously form that is articulated and connected by two articulated sections of many gage beams, substitute gage beam traditional in prior art on beam moving linearly simultaneously beam also can be different from structure or the motion morphology of above-mentioned linear movement direction orbiting motion, like this, when this device being fixed on workpiece or parts side, scanner head just can complete the point of target or the scanning in face easily, compared to existing three coordinate measuring machine, the version of this portable construction, be convenient to by carrying this device to other point and the Surface scan completing target of measured object, this device is made to be specially adapted to the three-dimensional coordinates measurement of heavy measured object.
The temperature sensor more than arranged is for the temperature of the corresponding gage beam of perception, to make this measuring instrument can with above temperature for reference quantity, judge temperature environment residing for this measuring instrument whether be suitable for measure or with above temperature value as variable, scanner head the data obtained is revised, to obtain output valve more accurately.
Further technical scheme is:
Rotate relative to the 3rd gage beam for ease of braking scanner head, to make more dexterous the completing a little and the scanning in face of mechanism, described 3rd gage beam and scanner head are articulated and connected by an articulated section, and the jointed shaft of three articulated sections is parallel to each other.
As a kind of lightweight, specific strength is high, the gage beam implementation little to thermo-responsive coefficient, described first gage beam, the second gage beam and the 3rd gage beam two end portions material are separately titanium alloy, and the first gage beam, the second gage beam and the part material of the 3rd gage beam separately between two ends are carbon fibre.
Be beneficial to for making to have between each parts of this device and make compared with high strength of joint, simultaneously the implementation that the frayed impact of the precision of this device is little, can keep measuring accuracy for a long time, described articulated section comprises bearing seat for titanium alloy material and the rolling bearing that is fixed in bearing seat.
The for the benefit of scan efficiency of this device, be fixed on the quantity of the scanner head on the 3rd gage beam free end more than one or type incessantly a kind of.
The present invention has following beneficial effect:
1, structure of the present invention is simple, the holder arranged is used for this structure in workpiece or other the fixing of parts, by gage beam is set to many, namely the first gage beam is respectively, second gage beam and the 3rd gage beam, the simultaneously form that is articulated and connected by two articulated sections of many gage beams, substitute gage beam traditional in prior art on beam moving linearly simultaneously beam also can be different from structure or the motion morphology of above-mentioned linear movement direction orbiting motion, like this, when this device being fixed on workpiece or parts side, scanner head just can complete the point of target or the scanning in face easily, compared to existing three coordinate measuring machine, the version of this portable construction, be convenient to by carrying this device to other point and the Surface scan completing target of measured object, this device is made to be specially adapted to the three-dimensional coordinates measurement of heavy measured object.
2, the above temperature sensor arranged is used for the temperature of the corresponding gage beam of perception, to make this measuring instrument can with above temperature for reference quantity, judge temperature environment residing for this measuring instrument whether be suitable for measure or with above temperature value as variable, scanner head the data obtained is revised, to obtain output valve more accurately.
Accompanying drawing explanation
Fig. 1 is the structural representation being beneficial to a multi-arm measuring instrument specific embodiment of measurement of coordinates Numerical accuracy of the present invention.
Figure acceptance of the bid note is respectively: 1, holder, the 2, first gage beam, and 3, articulated section, the 4, second gage beam, the 5, the 3rd gage beam, 6, scanner head.
Embodiment
The invention provides the multi-arm measuring instrument being beneficial to measurement of coordinates Numerical accuracy, below in conjunction with embodiment, the present invention is described in further detail, but the present invention is not limited only to following examples:
Embodiment 1:
As shown in Figure 1, be beneficial to the multi-arm measuring instrument of measurement of coordinates Numerical accuracy, comprise gage beam and be fixed on the scanner head 6 on gage beam free end, described gage beam comprises the first gage beam 2, second gage beam 4 and the 3rd gage beam 5, any one end of described first gage beam 2 and any one end of the second gage beam 4 are articulated and connected by an articulated section 3, the other end and the 3rd gage beam 5 of the second gage beam 4 are articulated and connected by an articulated section 3, scanner head 6 is fixed on the free end of the 3rd gage beam 5, the free end of the first gage beam 2 is also provided with holder 1, the jointed shaft of two articulated sections 3 is parallel to each other,
Described first gage beam 2, second gage beam 4 and the 3rd gage beam 5 are provided with temperature sensor, and the output terminal of each temperature sensor is all connected in the processing module of scanner head 6.
In the present embodiment, the holder 1 arranged is for this structure fixing by workpiece or parts, by gage beam is set to many, namely the first gage beam 2 is respectively, second gage beam 4 and the 3rd gage beam 5, the simultaneously form that is articulated and connected by two articulated sections 3 of many gage beams, substitute gage beam traditional in prior art on beam moving linearly simultaneously beam also can be different from structure or the motion morphology of above-mentioned linear movement direction orbiting motion, like this, when this device being fixed on workpiece or parts side, scanner head 6 just can complete the point of target or the scanning in face easily, compared to existing three coordinate measuring machine, the version of this portable construction, be convenient to by carrying this device to other point and the Surface scan completing target of measured object, this device is made to be specially adapted to the three-dimensional coordinates measurement of heavy measured object.
The temperature sensor more than arranged is for the temperature of the corresponding gage beam of perception, to make this measuring instrument can with above temperature for reference quantity, judge temperature environment residing for this measuring instrument whether be suitable for measure or with above temperature value as variable, scanner head the data obtained is revised, to obtain output valve more accurately.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as shown in Figure 1, rotate relative to the 3rd gage beam 5 for ease of braking scanner head 6, to make more dexterous the completing a little and the scanning in face of mechanism, described 3rd gage beam 5 is articulated and connected by an articulated section 3 with scanner head 6, and the jointed shaft of three articulated sections 3 is parallel to each other.
As a kind of lightweight, specific strength is high, the gage beam implementation little to thermo-responsive coefficient, described first gage beam 2, second gage beam 4 and the respective two end portions material of the 3rd gage beam 5 are titanium alloy, and the first gage beam 2, second gage beam 4 and the part material of the 3rd gage beam 5 separately between two ends are carbon fibre.
Be beneficial to for making to have between each parts of this device and make compared with high strength of joint, simultaneously the implementation that the frayed impact of the precision of this device is little, can keep measuring accuracy for a long time, described articulated section 3 comprises bearing seat for titanium alloy material and the rolling bearing that is fixed in bearing seat.
Embodiment 3:
The basis of any one scheme that the present embodiment provides in above embodiment is further qualified, for the benefit of scan efficiency of this device, be fixed on the quantity of the scanner head 6 on the 3rd gage beam 5 free end more than one or type incessantly a kind of.
Above content is the further description done the present invention in conjunction with concrete preferred implementation, can not assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, not departing from other embodiments drawn under technical scheme of the present invention, all should be included in protection scope of the present invention.
Claims (5)
1. be beneficial to the multi-arm measuring instrument of measurement of coordinates Numerical accuracy, comprise gage beam and be fixed on the scanner head (6) on gage beam free end, it is characterized in that, described gage beam comprises the first gage beam (2), second gage beam (4) and the 3rd gage beam (5), any one end of described first gage beam (2) and any one end of the second gage beam (4) are articulated and connected by an articulated section (3), the other end and the 3rd gage beam (5) of the second gage beam (4) are articulated and connected by an articulated section (3), scanner head (6) is fixed on the free end of the 3rd gage beam (5), the free end of the first gage beam (2) is also provided with holder (1), the jointed shaft of two articulated sections (3) is parallel to each other,
Described first gage beam (2), the second gage beam (4) and the 3rd gage beam (5) are provided with temperature sensor, and the output terminal of each temperature sensor is all connected in the processing module of scanner head (6).
2. the multi-arm measuring instrument being beneficial to measurement of coordinates Numerical accuracy according to claim 1, it is characterized in that, described 3rd gage beam (5) and scanner head (6) are articulated and connected by an articulated section (3), and the jointed shaft of three articulated sections (3) is parallel to each other.
3. the multi-arm measuring instrument being beneficial to measurement of coordinates Numerical accuracy according to claim 1, it is characterized in that, the respective two end portions material of described first gage beam (2), the second gage beam (4) and the 3rd gage beam (5) is titanium alloy, and the first gage beam (2), the second gage beam (4) and the 3rd gage beam (5) the part material separately between two ends is carbon fibre.
4. the multi-arm measuring instrument being beneficial to measurement of coordinates Numerical accuracy according to claim 1, is characterized in that, described articulated section (3) comprise bearing seat for titanium alloy material and the rolling bearing that is fixed in bearing seat.
5. the multi-arm measuring instrument being beneficial to measurement of coordinates Numerical accuracy as claimed in any of claims 1 to 4, is characterized in that, be fixed on the quantity of the scanner head (6) on the 3rd gage beam (5) free end more than one or type incessantly a kind of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510629824.XA CN105241404A (en) | 2015-09-29 | 2015-09-29 | Multi-arm measuring instrument facilitating coordinate measuring value accuracy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510629824.XA CN105241404A (en) | 2015-09-29 | 2015-09-29 | Multi-arm measuring instrument facilitating coordinate measuring value accuracy |
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| CN105241404A true CN105241404A (en) | 2016-01-13 |
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| CN201510629824.XA Pending CN105241404A (en) | 2015-09-29 | 2015-09-29 | Multi-arm measuring instrument facilitating coordinate measuring value accuracy |
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Citations (9)
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| CN100447529C (en) * | 2003-08-15 | 2008-12-31 | Faro科技有限公司 | Method for providing sensory feedback to the operator of a portable measurement machine |
| US20090083985A1 (en) * | 2007-09-28 | 2009-04-02 | Romer / Cimcore | Coordinate measurement machine |
| CN100526794C (en) * | 2005-04-20 | 2009-08-12 | 罗莫公司 | Three-dimensional measuring apparatus with articulated arms comprising a plurality of pivot pins |
| CN101871774A (en) * | 2010-06-08 | 2010-10-27 | 浙江大学 | Variable rod length articulated arm type coordinate measuring machine |
| CN102762950A (en) * | 2009-11-06 | 2012-10-31 | 六边形度量衡股份公司 | Improved articulated arm |
| WO2012146989A1 (en) * | 2011-04-29 | 2012-11-01 | Tomelleri Engineering S.R.L. | Portable measuring machine with high-precision five-axis articulated arms |
| CN104350355A (en) * | 2012-06-01 | 2015-02-11 | 法罗技术股份有限公司 | Coordinate measuring machines with dual layer arm |
| CN104380034A (en) * | 2012-06-22 | 2015-02-25 | 赫克斯冈技术中心 | Articulated arm cmm |
| US20150143707A1 (en) * | 2013-11-22 | 2015-05-28 | Mitutoyo Corporation | Arm type three-dimensional measuring apparatus and deflection correction method in arm type three-dimensional measuring apparatus |
-
2015
- 2015-09-29 CN CN201510629824.XA patent/CN105241404A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100447529C (en) * | 2003-08-15 | 2008-12-31 | Faro科技有限公司 | Method for providing sensory feedback to the operator of a portable measurement machine |
| CN100526794C (en) * | 2005-04-20 | 2009-08-12 | 罗莫公司 | Three-dimensional measuring apparatus with articulated arms comprising a plurality of pivot pins |
| US20090083985A1 (en) * | 2007-09-28 | 2009-04-02 | Romer / Cimcore | Coordinate measurement machine |
| CN102762950A (en) * | 2009-11-06 | 2012-10-31 | 六边形度量衡股份公司 | Improved articulated arm |
| CN101871774A (en) * | 2010-06-08 | 2010-10-27 | 浙江大学 | Variable rod length articulated arm type coordinate measuring machine |
| WO2012146989A1 (en) * | 2011-04-29 | 2012-11-01 | Tomelleri Engineering S.R.L. | Portable measuring machine with high-precision five-axis articulated arms |
| CN104350355A (en) * | 2012-06-01 | 2015-02-11 | 法罗技术股份有限公司 | Coordinate measuring machines with dual layer arm |
| CN104380034A (en) * | 2012-06-22 | 2015-02-25 | 赫克斯冈技术中心 | Articulated arm cmm |
| US20150143707A1 (en) * | 2013-11-22 | 2015-05-28 | Mitutoyo Corporation | Arm type three-dimensional measuring apparatus and deflection correction method in arm type three-dimensional measuring apparatus |
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Application publication date: 20160113 |