CN104197876B - A kind of contact air bearing gauge head - Google Patents
A kind of contact air bearing gauge head Download PDFInfo
- Publication number
- CN104197876B CN104197876B CN201410426284.0A CN201410426284A CN104197876B CN 104197876 B CN104197876 B CN 104197876B CN 201410426284 A CN201410426284 A CN 201410426284A CN 104197876 B CN104197876 B CN 104197876B
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- air
- bearing
- counterweight
- bar assembly
- bearing shafts
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Abstract
The invention discloses a kind of contact air bearing gauge head, including installing plate, air-bearing shafts, measure bar assembly, oscillating bar assembly and grating scale, air-bearing shafts are fixedly mounted on a mounting board by air-bearing, measurement bar assembly and oscillating bar assembly are installed with air-bearing shafts, measuring bar assembly includes measurement bar body and gauge head, gauge head is fixedly mounted in measurement bar body, measurement bar body is fixedly mounted on air-bearing shafts, oscillating bar assembly includes swing rod, swing rod is fixedly mounted on air-bearing shafts, the scale grating of grating scale is fixedly mounted on swing rod, the grating reading head of grating scale is fixedly mounted on a mounting board.The present apparatus can realize the high-acruracy survey to measured object.
Description
Technical field
The present invention relates to parts detection field, more particularly to a kind of contact air supporting applied to non-spherical measuring instrument to survey
Head.
Background technology
Currently, there are many kinds to the detection method of part, be broadly divided into contact type measurement and non-contact measurement.Contact
Then measurement is passed through mainly by contourgraph or three-coordinates measuring machine by the measurement to the multiple discrete points of optical element progress
Data processing, fitting obtain face shape error.Non-contact measurement mainly has shadowing method, laser scanning method, interferometric method etc..
Machine tool parts have various shapes, size, precision of the modern precision machine tool to parts
Degree requires high, requires higher to high-accuracy detection technique accordingly；Aspherical-surface testing and aspherical light for parts
The measurement of eyeglass is learned frequently with non-spherical measuring instrument, the measuring instrument is contact type measurement instrument.For non-spherical measuring instrument, shadow
Ringing the principal element of its measurement accuracy has the accuracy of detection of gauge head, if the accuracy of detection of gauge head is relatively low, it will to non-spherical measuring
The measurement accuracy of instrument makes a big impact.
The content of the invention
It is an object of the present invention to provide a kind of contact air bearing gauge head simple in construction, accuracy of detection is high.
The present invention solves technical problem and adopted the following technical scheme that：A kind of contact air bearing gauge head, including installing plate, air supporting
Axle, measurement bar assembly, oscillating bar assembly and grating scale, the air-bearing shafts are fixedly mounted on a mounting board by air-bearing, described
Measurement bar assembly and oscillating bar assembly, the rotating torque that the measurement bar assembly is acted on air-bearing shafts are installed with air-bearing shafts
It is zero, the measurement bar assembly includes measurement bar body and gauge head, and the gauge head is fixedly mounted in measurement bar body, the survey
Gauge rod body is fixedly mounted on air-bearing shafts, and the oscillating bar assembly includes swing rod, and the swing rod is fixedly mounted on air-bearing shafts, institute
The scale grating for stating grating scale is fixedly mounted on swing rod, and the grating reading head of the grating scale is fixedly mounted on a mounting board,
The rotating torque that oscillating bar assembly and the scale grating is acted on air-bearing shafts is zero.
Optionally, the surface of the swing rod installation scale grating is arc surface, and the center of circle of the arc surface is located at air-bearing shafts
Axis on, the scale grating is fitted on the arc surface.
Optionally, the measurement bar assembly also includes the first counterweight, and the gauge head is fixed on one end of measurement bar body, institute
State the other end that the first counterweight is fixed on measurement bar body.
Optionally, first counterweight is in cylinder, and regulation spiral shell has been connected through a screw thread on the end face of first counterweight
Bolt, the axis and the axis out of plumb of measurement bar body of the screw rod of the regulating bolt.
Optionally, the axis of first counterweight overlaps with measuring the axis of bar body, the screw rod of the regulating bolt
The angle of axis and the axis of measurement bar body is 45 degree.
Optionally, the oscillating bar assembly also includes connecting rod and the second counterweight, and the swing rod is fixedly mounted on gas by connecting rod
On floating axle, second counterweight is fixedly mounted on air-bearing shafts.
Optionally, measurement bar assembly, connecting rod and the swing rod are respectively positioned on the front side of installing plate, and second counterweight is positioned at peace
The rear side of loading board.
Optionally, second counterweight includes counterweight part and installation portion, and the counterweight part is shaped as semi-cylindrical, described
Installation portion is fixedly connected in the flat surface of counterweight part, and the installation portion is fixedly set on air-bearing shafts.
Optionally, stomata is offered on the installing plate, the stomata connects with the air inlet of air-bearing.
The present invention has the advantages that：The present apparatus sets measurement bar assembly and oscillating bar assembly, measurement on air-bearing shafts
The gauge head of bar assembly contacts with measured object surface, the circular arc change of measured object is passed into air-bearing shafts, air-bearing shafts band driven fork is put
It is dynamic, signal is then passed into grating reading head, completes measurement.Because air-bearing shafts by air-bearing are fixedly mounted on installing plate
On, air-bearing produces gas mould and floats air-bearing shafts, it is possible to achieve air-bearing shafts ease rotation, no friction, non-resistance, passes through grating
Accurate measurement is carried out, completes the measurement to measured object, therefore, the present apparatus can realize the high-acruracy survey to measured object.
Brief description of the drawings
Fig. 1 is a kind of front view of contact air bearing gauge head of the present invention；
Fig. 2 is along the sectional view in A-A directions in Fig. 1；
Mark is illustrated as in figure：10- installing plates；11- mounting brackets；20- air-bearing shafts；21- air-bearings；30- measurement bar sheets
Body；31- gauge heads；The counterweights of 32- first；33- regulating bolts；40- swing rods；41- scale gratings；42- grating reading heads；43- connecting rods；
The counterweights of 44- second；45- counterweight parts；46- installation portions；47- flat surfaces.
Embodiment
Technical scheme is further elaborated with reference to embodiment and accompanying drawing.
Embodiment 1
As shown in Figure 1 and Figure 2, present embodiments provide a kind of contact air bearing gauge head, including installing plate 10, air-bearing shafts 20,
Measure bar assembly, oscillating bar assembly and grating scale.The section of installing plate 10 is L-shaped, and installing plate 10 is mounted by means of bolts on peace
Shelve on 11, installing plate 10 is located at the front side of mounting bracket 11.
Air-bearing shafts 20 are fixedly mounted on installing plate 10 by air-bearing 21, are opened up in the present embodiment on installing plate 10
There is stomata, stomata connects with the air inlet of air-bearing 21, thinks that air-bearing 21 supplies.It is installed with air-bearing shafts 20
Bar assembly and oscillating bar assembly are measured, the rotating torque that measurement bar assembly is acted on air-bearing shafts 20 is zero, and measurement bar assembly includes
Bar body 30 and gauge head 31 are measured, gauge head 31 is fixedly mounted in measurement bar body 30, and measurement bar body 30 passes through air-bearing shafts 20
Afterwards, fixed by bolt and air-bearing shafts 20.Oscillating bar assembly includes swing rod 40, and swing rod 40 is fixedly mounted on air-bearing shafts 20, grating
The scale grating 41 of chi is fixedly mounted on swing rod 40, and the grating reading head 42 of grating scale is fixedly mounted on installing plate 10, light
The scale grating 41 of grid chi and the position of grating reading head 42 are corresponding.Oscillating bar assembly and scale grating 41 act on air-bearing shafts 20
On rotating torque be zero, measurement bar assembly is located at the front of installing plate 10.
The course of work of the present apparatus is：The gauge head 31 for measuring bar assembly is contacted with measured object surface, by the circle of measured object
Arc change passes to air-bearing shafts 20, and air-bearing shafts 20 are interior without friction, unresisted rotation in air-bearing 21, so as to the band of air-bearing shafts 20
Driven fork 40 is swung, and swing rod 40 drives scale grating 41 thereon to rotate, and signal then is passed into grating reading head 42, is completed
Measurement.
In order to be further noted that the precision of measurement, the surface that swing rod 40 installs scale grating 41 in the present embodiment is circular arc
Face, the center of circle of arc surface are located on the axis of air-bearing shafts 20, and scale grating 41 is fitted on the arc surface.
In order to increase the length that measurement bar is stretched out from the side of air-bearing shafts 20, in the present embodiment, measurement bar assembly also includes
First counterweight 32, gauge head 31 are fixed on one end of measurement bar body 30, and the first counterweight 32 is fixed on the another of measurement bar body 30
End.
In the present invention, the gauge head measured in bar assembly can use different models.In order that measurement bar assembly relative to
The torque of air supported head is zero, and in the present embodiment, the first counterweight 32 is in cylinder, is connected on the end face of the first counterweight 32 by screw thread
It is connected to regulating bolt 33, the axis and the axis out of plumb of measurement bar body 30 of the screw rod of regulating bolt 33.Adjusted by changing
Bolt 33 is screwed into the depth of the first counterweight 32, it is possible to changes its torque relative to air-bearing shafts 20, so as to adapt to different type
Gauge head.In the present embodiment, preferably the axis of the first counterweight 32 overlaps with measuring the axis of bar body 30, the spiral shell of regulating bolt 33
The angle of the axis of bar and the axis of measurement bar body 30 is 45 degree.
In the present embodiment, oscillating bar assembly also includes the counterweight 44 of connecting rod 43 and second, and swing rod 40 is fixed by connecting rod 43 pacifies
On air-bearing shafts 20, the second counterweight 44 is fixedly mounted on air-bearing shafts 20.Measurement bar assembly, connecting rod 43 and swing rod 40 are respectively positioned on
The front side of installing plate 10, the second counterweight 44 are located at the rear side of installing plate 10.Second counterweight 44 includes counterweight part 45 and installation portion 46,
Counterweight part 45 is shaped as semi-cylindrical, and installation portion 46 is fixedly connected in the flat surface 47 of counterweight part 45, and installation portion 46 is fixed
It is sleeved on air-bearing shafts 20.
The present apparatus eliminates vibration and the rotation error of air bearing gauge head itself using air-bearing shafts, and accurate survey is carried out by grating
Amount, can realize the high-accuracy measurement to the parts with aspherical shape and aspheric optical lens.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (3)
1. a kind of contact air bearing gauge head, it is characterised in that including installing plate (10), air-bearing shafts (20), measurement bar assembly, swing rod
Component and grating scale,
The air-bearing shafts (20) are fixedly mounted on installing plate (10) by air-bearing (21), fixed on the air-bearing shafts (20)
Measurement bar assembly and oscillating bar assembly are installed,
The measurement bar assembly includes measurement bar body (30), gauge head (31) and the first counterweight (32), the measurement bar body
(30) it is fixedly mounted on air-bearing shafts (20), the gauge head (31) is fixed on one end of measurement bar body (30), and described first matches somebody with somebody
Weight (32) is fixed on the other end of measurement bar body (30)；The rotating torque that the measurement bar assembly is acted on air-bearing shafts (20)
It is zero,
The oscillating bar assembly includes swing rod (40), connecting rod (43) and the second counterweight (44), and the swing rod (40) passes through connecting rod (43)
It is fixedly mounted on air-bearing shafts (20), second counterweight (44) is fixedly mounted on air-bearing shafts (20), the mark of the grating scale
Chi grating (41) is fixedly mounted on swing rod (40), and the grating reading head (42) of the grating scale is fixedly mounted on installing plate (10)
On, the rotating torque that oscillating bar assembly and the scale grating (41) is acted on air-bearing shafts (20) is zero；
First counterweight (32) is in cylinder, and regulating bolt has been connected through a screw thread on the end face of first counterweight (32)
(33), the axis of first counterweight (32) overlaps with the axis of measurement bar body (30), the screw rod of the regulating bolt (33)
Axis and the angle of axis of measurement bar body (30) be 45 degree；
Measurement bar assembly, connecting rod (43) and the swing rod (40) are respectively positioned on the front side of installing plate (10), second counterweight (44)
Rear side positioned at installing plate (10)；
Second counterweight (44) includes counterweight part (45) and installation portion (46), and the counterweight part (45) is shaped as semicolumn
Shape, the installation portion (46) are fixedly connected in the flat surface (47) of counterweight part (45), and the installation portion (46) is fixedly set in
On air-bearing shafts (20).
2. a kind of contact air bearing gauge head according to claim 1, it is characterised in that the swing rod (40) installs scale light
The surface of grid (41) is arc surface, and the center of circle of the arc surface is located on the axis of air-bearing shafts (20), the scale grating (41)
It is fitted on the arc surface.
3. a kind of contact air bearing gauge head according to claim 1, it is characterised in that offered on the installing plate (10)
Stomata, the stomata connect with the air inlet of air-bearing (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410426284.0A CN104197876B (en) | 2014-08-26 | 2014-08-26 | A kind of contact air bearing gauge head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410426284.0A CN104197876B (en) | 2014-08-26 | 2014-08-26 | A kind of contact air bearing gauge head |
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| CN104197876A CN104197876A (en) | 2014-12-10 |
| CN104197876B true CN104197876B (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410426284.0A Active CN104197876B (en) | 2014-08-26 | 2014-08-26 | A kind of contact air bearing gauge head |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105043295A (en) * | 2015-08-26 | 2015-11-11 | 上海泰勒精密仪器制造有限公司 | In situ precision detector of high-reliability giant slewing bearing part contour |
| CN107621232B (en) * | 2017-09-08 | 2024-03-19 | 昆山冠品优精密机械有限公司 | Fourth shaft center height detection tool and fourth shaft center height detection method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4377911A (en) * | 1981-02-18 | 1983-03-29 | Mitutoyo Mfg. Co., Ltd. | Contour measuring instrument |
| CN2903907Y (en) * | 2006-05-29 | 2007-05-23 | 于德海 | Sensor lever mechanism for surface shape measurer |
| CN201532192U (en) * | 2009-11-30 | 2010-07-21 | 哈尔滨科瑞精密仪器有限公司 | Large-range high-precision skeleton surveying displacement sensor |
| CN101936699A (en) * | 2010-08-24 | 2011-01-05 | 中国科学院光电技术研究所 | Swing arm type three-dimensional contourgraph |
| CN102128594A (en) * | 2010-12-29 | 2011-07-20 | 哈尔滨量具刃具集团有限责任公司 | Grating lever-structured contact-pin displacement sensor and measuring method thereof |
| CN102183217A (en) * | 2011-03-17 | 2011-09-14 | 西安交通大学 | Arc contourgraph measuring head and measuring method thereof |
| CN102941357A (en) * | 2012-11-21 | 2013-02-27 | 北京海普瑞森科技发展有限公司 | Ultra-precise air floatation spindle structure |
| CN204128522U (en) * | 2014-08-26 | 2015-01-28 | 北京海普瑞森科技发展有限公司 | A kind of contact air bearing gauge head |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3967274B2 (en) * | 2003-02-27 | 2007-08-29 | 株式会社ミツトヨ | measuring device |
-
2014
- 2014-08-26 CN CN201410426284.0A patent/CN104197876B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4377911A (en) * | 1981-02-18 | 1983-03-29 | Mitutoyo Mfg. Co., Ltd. | Contour measuring instrument |
| CN2903907Y (en) * | 2006-05-29 | 2007-05-23 | 于德海 | Sensor lever mechanism for surface shape measurer |
| CN201532192U (en) * | 2009-11-30 | 2010-07-21 | 哈尔滨科瑞精密仪器有限公司 | Large-range high-precision skeleton surveying displacement sensor |
| CN101936699A (en) * | 2010-08-24 | 2011-01-05 | 中国科学院光电技术研究所 | Swing arm type three-dimensional contourgraph |
| CN102128594A (en) * | 2010-12-29 | 2011-07-20 | 哈尔滨量具刃具集团有限责任公司 | Grating lever-structured contact-pin displacement sensor and measuring method thereof |
| CN102183217A (en) * | 2011-03-17 | 2011-09-14 | 西安交通大学 | Arc contourgraph measuring head and measuring method thereof |
| CN102941357A (en) * | 2012-11-21 | 2013-02-27 | 北京海普瑞森科技发展有限公司 | Ultra-precise air floatation spindle structure |
| CN204128522U (en) * | 2014-08-26 | 2015-01-28 | 北京海普瑞森科技发展有限公司 | A kind of contact air bearing gauge head |
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| CN104197876A (en) | 2014-12-10 |
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Effective date of registration: 20201022 Address after: Room 110-827, building 1, town government, 66 Huanhu Road, xiwengzhuang Town, Miyun District, Beijing Patentee after: Beijing rongdahui Technology Development Co., Ltd Address before: 101500 Beijing City, Miyun, ten mile town, Fort village, No. ten West Road, No. 86 Patentee before: BEIJING HIGH-PRECISION TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Effective date of registration: 20220413 Address after: 101599 Shuangjing Industrial Park, Shilibao, Miyun District, Beijing Patentee after: BEIJING HIGH-PRECISION TECHNOLOGY Co.,Ltd. Address before: Room 110-827, building 1, town government, 66 Huanhu Road, xiwengzhuang Town, Miyun District, Beijing Patentee before: Beijing rongdahui Technology Development Co.,Ltd. |
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