CN105241403A - Coordinate measuring mechanism capable of onsite measurement - Google Patents
Coordinate measuring mechanism capable of onsite measurement Download PDFInfo
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- CN105241403A CN105241403A CN201510628831.8A CN201510628831A CN105241403A CN 105241403 A CN105241403 A CN 105241403A CN 201510628831 A CN201510628831 A CN 201510628831A CN 105241403 A CN105241403 A CN 105241403A
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- gage beam
- measurement
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- articulated
- measuring arm
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Abstract
The invention discloses a coordinate measuring mechanism capable of onsite measurement. The coordinate measuring mechanism 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, hinged shafts of the two hinged portions are parallel to each other, the fixing base is flange-shaped and is provided with a bearing connection portion, multiple bolt holes and internal threaded holes, and the first measuring arm, the second measuring arm and the third measuring arm are each of a multi-section combined structure. The coordinate measuring mechanism is portable in structure and convenient to install, thereby being suitable for onsite measurement and especially being satiable 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 measurement of coordinates mechanism realizing in-site measurement.
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 measurement of coordinates mechanism realizing in-site measurement.
For solving the problem, a kind of measurement of coordinates mechanism realizing in-site measurement provided by the invention solves problem by following technical essential: a kind of measurement of coordinates mechanism realizing in-site measurement, 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 holder is flange plate-like, the upper end end face of holder is provided with the bearing attachment be connected with the first gage beam for holder, holder is also provided with the multiple bolts hole running through its two ends end face, the bottom surface of holder is also provided with internal thread hole,
Described first gage beam, the second gage beam and the 3rd gage beam are multi-section combined structure, and described multi-section combined structure includes urceolus and the inner core with urceolus clearance fit, and described inner core is linearly adjustable relative to the extension elongation of urceolus.
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.
With in the version of upper fixed seat, preferably adopt rolling bearing in bearing attachment, like this, the inner ring of this rolling bearing can be connected with holder and the first gage beam respectively by the form of interference fit respectively with outer ring, like this, the first gage beam just can be made can to rotate relative to holder; The form of holder and on bolt hole and internal thread hole, this holder can be made to be facilitated, firm being fixed on existing tripod, bench vice, worktable.
Above first gage beam, the second gage beam and the 3rd gage beam brachium separately determine the movable scope of scanner head of this device, the version adopting above-mentioned first gage beam, the second gage beam and the 3rd gage beam is multi-section combined structure, and multi-section combined structure comprises the form of inner core and the urceolus of clearance fit with it, can need the overall length adjusting each gage beam according to concrete measurement, the implementation of above inner core and urceolus preferably adopts the form of hydraulic jack.
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, with in the version of upper fixed seat, preferably adopt rolling bearing in bearing attachment, like this, the inner ring of this rolling bearing can be connected with holder and the first gage beam respectively by the form of interference fit respectively with outer ring, like this, the first gage beam just can be made can to rotate relative to holder; The form of holder and on bolt hole and internal thread hole, this holder can be made to be facilitated, firm being fixed on existing tripod, bench vice, worktable.
3, above first gage beam, the second gage beam and the 3rd gage beam brachium separately determine the movable scope of scanner head of this device, the version adopting above-mentioned first gage beam, the second gage beam and the 3rd gage beam is multi-section combined structure, and multi-section combined structure comprises the form of inner core and the urceolus of clearance fit with it, can need the overall length adjusting each gage beam according to concrete measurement, the implementation of above inner core and urceolus preferably adopts the form of hydraulic jack.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation realizing a measurement of coordinates mechanism specific embodiment of in-site measurement of the present invention;
Fig. 2 of the present inventionly a kind ofly realizes in measurement of coordinates mechanism specific embodiment of in-site measurement, the structural representation of holder.
Figure acceptance of the bid note is respectively: 1, holder, and 11, bearing attachment, 12, bolt hole, the 2, first gage beam, 3, articulated section, the 4, second gage beam, the 5, the 3rd gage beam, 6, scanner head.
Embodiment
The invention provides a kind of measurement of coordinates mechanism realizing in-site measurement, 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 depicted in figs. 1 and 2, a kind of measurement of coordinates mechanism realizing in-site measurement, 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 holder 1 is in flange plate-like, the upper end end face of holder 1 is provided with the bearing attachment 11 be connected with the first gage beam 2 for holder 1, holder 1 is also provided with the multiple bolts hole 12 running through its two ends end face, the bottom surface of holder 1 is also provided with internal thread hole, described first gage beam 2, second gage beam 4 and the 3rd gage beam 5 are multi-section combined structure, and described multi-section combined structure includes urceolus and the inner core with urceolus clearance fit, and described inner core is linearly adjustable relative to the extension elongation of urceolus.
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.
With in the version of upper fixed seat 1, preferably rolling bearing is adopted in bearing attachment 11, like this, the inner ring of this rolling bearing can be connected with holder 1 and the first gage beam 2 respectively by the form of interference fit respectively with outer ring, like this, the first gage beam 2 just can be made can to rotate relative to holder 1; The form of holder 1 and on bolt hole 12 and internal thread hole, this holder 1 can be made to be facilitated, firm being fixed on existing tripod, bench vice, worktable.
Above first gage beam 2, second gage beam 4 and the respective brachium of the 3rd gage beam 5 determine the movable scope of scanner head 6 of this device, the version adopting above-mentioned first gage beam 2, second gage beam 4 and the 3rd gage beam 5 is multi-section combined structure, and multi-section combined structure comprises the form of inner core and the urceolus of clearance fit with it, the overall length adjusting each gage beam can be needed according to concrete measurement.Because each gage beam does not operationally need to bear larger stress in the present embodiment, therefore each gage beam all uses hydraulic jack, adopts comparatively easy oil gear, just well can adjust the length of each gage beam.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as depicted in figs. 1 and 2, 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. one kind can realize the measurement of coordinates mechanism of in-site measurement, 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 holder (1) is in flange plate-like, the upper end end face of holder (1) is provided with the bearing attachment (11) be connected with the first gage beam (2) for holder (1), holder (1) is also provided with the multiple bolts hole (12) running through its two ends end face, the bottom surface of holder (1) is also provided with internal thread hole,
Described first gage beam (2), the second gage beam (4) and the 3rd gage beam (5) are multi-section combined structure, described multi-section combined structure includes urceolus and the inner core with urceolus clearance fit, and described inner core is linearly adjustable relative to the extension elongation of urceolus.
2. a kind of measurement of coordinates mechanism realizing in-site measurement 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. a kind of measurement of coordinates mechanism realizing in-site measurement 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. a kind of measurement of coordinates mechanism realizing in-site measurement 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. a kind of measurement of coordinates mechanism realizing in-site measurement 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 |
|---|---|---|---|
| CN201510628831.8A CN105241403A (en) | 2015-09-29 | 2015-09-29 | Coordinate measuring mechanism capable of onsite measurement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510628831.8A CN105241403A (en) | 2015-09-29 | 2015-09-29 | Coordinate measuring mechanism capable of onsite measurement |
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| CN105241403A true CN105241403A (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510628831.8A Pending CN105241403A (en) | 2015-09-29 | 2015-09-29 | Coordinate measuring mechanism capable of onsite measurement |
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| US20130104407A1 (en) * | 2011-10-26 | 2013-05-02 | Hexagon Technology Center Gmbh | Determining thread lead or pitch accurately |
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| DE102012000833A1 (en) * | 2012-01-18 | 2013-07-18 | Zett Mess Technik GmbH, Messmaschinen | Portable height measuring and marking device for measuring three-dimensional position of object in selected volume of workpiece, has connection electronics accepting processing signals sent via appropriate transmission paths in computer |
| 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 |
| CN104654971A (en) * | 2015-02-05 | 2015-05-27 | 柳州如洋精密科技有限公司 | Arm-variable articulated coordinate measuring machine |
| 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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2015
- 2015-09-29 CN CN201510628831.8A patent/CN105241403A/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 |
| CN101871774A (en) * | 2010-06-08 | 2010-10-27 | 浙江大学 | Variable rod length articulated arm type coordinate measuring machine |
| CN202176614U (en) * | 2011-07-29 | 2012-03-28 | 杭州大惠机械有限公司 | Flange bearing |
| US20130104407A1 (en) * | 2011-10-26 | 2013-05-02 | Hexagon Technology Center Gmbh | Determining thread lead or pitch accurately |
| DE102012000833A1 (en) * | 2012-01-18 | 2013-07-18 | Zett Mess Technik GmbH, Messmaschinen | Portable height measuring and marking device for measuring three-dimensional position of object in selected volume of workpiece, has connection electronics accepting processing signals sent via appropriate transmission paths in computer |
| 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 |
| CN103148827A (en) * | 2013-03-08 | 2013-06-12 | 北京工业大学 | Large gear measurement method based on articulated arm measurement machine |
| 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 |
| CN104654971A (en) * | 2015-02-05 | 2015-05-27 | 柳州如洋精密科技有限公司 | Arm-variable articulated coordinate measuring machine |
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Application publication date: 20160113 |