CN208282726U - A kind of high-precision measuring motion - Google Patents
A kind of high-precision measuring motion Download PDFInfo
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- CN208282726U CN208282726U CN201820941334.2U CN201820941334U CN208282726U CN 208282726 U CN208282726 U CN 208282726U CN 201820941334 U CN201820941334 U CN 201820941334U CN 208282726 U CN208282726 U CN 208282726U
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Abstract
The utility model discloses a kind of high-precision measuring motions.Including set casing, the inner cylinder of set casing is flexibly connected with shaft base station, and one end face of shaft base station is coaxially provided with main dial, and master calibration is circumferentially distributed in main dial, is 1 main indexing unit between adjacent two master calibration；The shaft base station other end is sequentially coaxially equipped with shaft I and shaft II；The shaft I is threadedly coupled with the inner cylinder of sleeve I, and the outer tube wall of sleeve I is equipped with rib I, and rib I is slidably connected with the groove I for being set to set casing inner tube wall；The shaft II is threadedly coupled with the inner cylinder of sleeve II, and the outer tube wall of sleeve II is equipped with rib II, and rib II is slidably connected with the groove II for being set to I inner tube wall of sleeve；The screw pitch for the screw thread that the shaft I is connect with sleeve I is less than the screw pitch of shaft II and II connection screw thread of sleeve.The utility model has structure simple, measurement accuracy height and feature at low cost.
Description
Technical field
The utility model relates to a kind of measurer, in particular to a kind of high-precision measuring motion.
Background technique
In processing and manufacturing field, the accuracy of measurer largely directly affects the accuracy of processing part,
Equally in measurement verification field, the precision of measuring motion, calibrating and calibration accuracy to displacement sensor, deformation-sensor are risen
To decisive role.Measurer currently used for components measurement is mainly vernier caliper or spiral micrometer, both measurers
Measurement accuracy is only capable of reaching " silk " grade and " micron " grade respectively, both measurers have been unable to meet in processing precision parts to be needed
It asks, and high-accuracy measurer has 3-dimensional digital projection device at present, the device structure is complex, and equipment cost is also higher.
Utility model content
The purpose of the utility model is to provide a kind of high-precision measuring motions.The utility model has structure simple, surveys
Amount is flexible, measurement accuracy is high and feature at low cost.
The technical solution of the utility model includes: a kind of high-precision measuring motion, including set casing, the inner cylinder and shaft of set casing
Base station is flexibly connected, and one end face of shaft base station is coaxially provided with main dial, master calibration, phase are circumferentially distributed in main dial
It is 1 main indexing unit between adjacent two master calibrations；The shaft base station other end is sequentially coaxially equipped with shaft I and shaft II；
The shaft I is threadedly coupled with the inner cylinder of sleeve I, and the outer tube wall of sleeve I is equipped with rib I, rib I and set on set casing inner tube wall
Groove I be slidably connected；The shaft II is threadedly coupled with the inner cylinder of sleeve II, and the outer tube wall of sleeve II is equipped with rib II,
Rib II is slidably connected with the groove II for being set to I inner tube wall of sleeve；The screw pitch for the screw thread that the shaft I is connect with sleeve I is less than
The screw pitch of shaft II and II connection screw thread of sleeve.
In high-precision measuring motion above-mentioned, the screw pitch for the screw thread that the shaft I is connect with sleeve I is 0.9mm, shaft
II with the screw pitch of II connection screw thread of sleeve is 1.0mm.
In high-precision measuring motion above-mentioned, an end face of the set casing is equipped with secondary dial, and secondary dial is in week
11 secondary scales are distributed with upwards, are that 1 pair indexes unit between adjacent two secondary scales, totally 10 secondary indexing units；Secondary dial
It matches with the end face of main dial；The radian of the secondary indexing unit of described 10 is equal to the radian of 9 main indexing units.
In high-precision measuring motion above-mentioned, 500 master calibrations are circumferentially distributed with by main quarter in the main dial
The circumference of scale is divided into 500 main indexing units.
Compared with prior art, the utility model is coaxially disposed main dial, other end in an end face of shaft base station
Sequentially coaxially shaft I and shaft II, shaft base station are flexibly connected with set casing inner cylinder, and shaft I and shaft II are respectively through different spiral shells
Away from screw thread connect with the inner tube wall of sleeve I and sleeve II, and the screw pitch of shaft I and I connection screw thread of sleeve be less than shaft II with
The screw pitch of II connection screw thread of sleeve；When measurement, by turn main dial, sleeve I and sleeve II is set to stretch out different length, i.e.,
It can be measured according to the end face spacing or sleeve II of sleeve I and sleeve II with set casing end face spacing；Main dial turn one
Circle, sleeve I translates one " thread pitch (hereinafter referred to as I screw pitch of sleeve) that shaft I is connect with sleeve I ", while sleeve II is flat
Move one " thread pitch (hereinafter referred to as II screw pitch of sleeve) that shaft II is connect with sleeve II ", at this time sleeve I and sleeve II
Pitch difference is the end face spacing of sleeve I and sleeve II；With this configuration, the size of the end face spacing of sleeve I, II can be put down
It assigns in main dial circumferential direction, it can read measured value in main dial circumferential direction, which can be realized high-precision and survey
Amount；It can be seen from the above, the utility model is not only simple in structure, and it can be realized double-range measurement (one be sleeve I and sleeve
II end face distance measurement, one be sleeve II Yu set casing end face distance measurement), and sleeve I and sleeve II can be passed through
End face distance measurement realize high-acruracy survey so that measurement can select range on demand, measurement flexibility is higher.
The spiral shell that the screw thread and screw pitch that shaft I and shaft II described in the utility model are respectively 0.9mm through screw pitch are 1.0mm
Line is connect with the inner tube wall of sleeve I and sleeve II；With this configuration, main dial turn one is enclosed, the end face of sleeve I and sleeve II
Spacing is 0.1mm；In other words, the utility model will convert the length of 0.1mm in the circumferential direction of main dial, realize
The measurement of higher precision.
The utility model is equipped with the secondary dial being fitted with main dial also on an end face of set casing, and secondary dial exists
10 secondary indexing units are distributed in circumferential direction, the radian of 10 secondary indexing units is equal to the radian of 9 main indexing units；The structure
The principle for combining vernier caliper, it is poor using major-minor scale, it further realizes high-precision and surveys length.
The circumference of the main dial of the utility model is divided into 500 main indexing units by master calibration；With this configuration, then
In conjunction with the principle of vernier caliper, it can allow the theoretical measurement accuracy of the utility model that can reach 0.00002mm, than existing vernier calliper
Ruler is 500 times high, 50 times higher than existing screw-thread micrometer.It can thus be appreciated that the measurement accuracy of utility model is high, and the utility model
Only by set casing, the assembling cooperation of the components such as shaft I, II and sleeve I, II realizes the theoretical measurement of 0.00002mm
Precision, for traditional precision measurement equipment, structure is simple, at low cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the bottom view of Fig. 1；
Fig. 3 is the structural schematic diagram at the B-B of Fig. 2；
Fig. 4 is the explosive view of the utility model.
The label in accompanying drawing is: 1- set casing, 2- shaft base station, 3- main dial, 4- shaft I, 5- shaft II, 6- pair are carved
Scale, 7- sleeve I, 8- rib I, 9- groove I, 10- sleeve II, 11- rib II, 12- groove II, 13- master calibration, 14- pair scale.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model
The foundation of limitation.
Embodiment.A kind of high-precision measuring motion is constituted as shown in Figs 1-4, including set casing 1, the inner cylinder of set casing 1 with
Shaft base station 2 is flexibly connected, and 2 one end face of shaft base station is equipped with main dial 3, and 2 other end of shaft base station is successively arranged shaft I
4 and shaft II 5, shaft base station 2, main dial 3, shaft I 4 and shaft II 5 are coaxially disposed；One end face of set casing 1 is equipped with pair
Dial 6, the end face of secondary dial 6 and main dial 3 is to fitting；The shaft I 4 is threadedly coupled with the inner cylinder of sleeve I 7,
The outer tube wall of sleeve I 7 is equipped with rib I 8, and rib I 8 is slidably connected with the groove I 9 for being set to 1 inner tube wall of set casing；The shaft II
5 are threadedly coupled with the inner cylinder of sleeve II 10, and the outer tube wall of sleeve II 10 is equipped with rib II 11, rib II 11 and set on I 7 inner cylinder of sleeve
The groove II 12 of wall is slidably connected；The screw pitch for the screw thread that shaft I 4 is connect with sleeve I 7 is 0.9mm, shaft II 5 and sleeve II 10
The screw pitch of connection screw thread is 1.0mm；500 master calibrations 13 are circumferentially distributed with by main dial 3 in the main dial 3
Circumference is divided into 500 main indexing units, and secondary dial 6 is distributed with 11 secondary scales 14 in the circumferential, between adjacent two secondary scales 14
For 1 secondary indexing unit, totally 10 pairs index unit；The radian of the secondary indexing unit of described 10 is equal to 9 main indexing units
Radian.
The application method of high-precision measuring motion above-mentioned: turn main dial 3 drives I 4 He of shaft through shaft base station 2
Shaft II 5 rotates, and then stretches out sleeve I 7 and sleeve II 10, by the distance of II 10 end face of sleeve I 7 and sleeve, realizes and surveys
Amount；Or by II 10 end face of sleeve between 1 end face of set casing at a distance from, realize measurement.
Main dial 3 often rotates a circle, then sleeve I 7 is axially moveable 0.9mm, and sleeve II 10 is axially moveable 1mm,
Therefore, I 7 end face of sleeve as datum level, 3 each rotation sleeve of main dial, II 10 end face relative sleeve, I 7 end face is advanced
0.1mm, then 31 main indexing units represent 0.1 mm/500=0.0002mm in main dial.Further more, 10 secondary indexing units
Indexing unit (identical as vernier caliper principle) main equal to one, then the value of a secondary indexing unit be 0.0002mm/10=
0.00002mm。
Claims (4)
1. a kind of high-precision measuring motion, it is characterised in that: including set casing (1), the inner cylinder and shaft base station of set casing (1)
(2) it is flexibly connected, (2) one end face of shaft base station is coaxially provided with main dial (3), and main dial is circumferentially distributed on (3)
Master calibration (13) is 1 main indexing unit between adjacent two master calibration (13)；Described shaft base station (2) other end is successively same
Axis is equipped with shaft I (4) and shaft II (5)；The shaft I (4) is threadedly coupled with the inner cylinder of sleeve I (7), outside sleeve I (7)
Barrel is equipped with rib I (8), and rib I (8) is slidably connected with the groove I (9) for being set to set casing (1) inner tube wall；The shaft II
(5) be threadedly coupled with the inner cylinder of sleeve II (10), the outer tube wall of sleeve II (10) is equipped with rib II (11), rib II (11) be set to
The groove II (12) of sleeve I (7) inner tube wall is slidably connected；The screw pitch for the screw thread that the shaft I (4) is connect with sleeve I (7) is small
In the screw pitch of shaft II (5) and sleeve II (10) connection screw thread.
2. high-precision measuring motion according to claim 1, it is characterised in that: the shaft I (4) and sleeve I (7) is even
The screw pitch of the screw thread connect is 0.9mm, and the screw pitch of shaft II (5) and sleeve II (10) connection screw thread is 1.0mm.
3. high-precision measuring motion according to claim 2, it is characterised in that: an end face of the set casing (1) is set
Have secondary dial (6), it is 1 between adjacent two secondary scales (14) that 11 secondary scales (14), which are distributed with, in secondary dial (6) in the circumferential
Pair indexing unit, totally 10 pairs index unit；Secondary dial (6) matches with the end face of main dial (3)；10 pairs
The radian for indexing unit is equal to the radian of 9 main indexing units.
4. high-precision measuring motion according to claim 3, it is characterised in that: the main dial (3) is circumferentially
500 master calibrations (13) are distributed with, the circumference of main dial (3) is divided into 500 main indexing units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941334.2U CN208282726U (en) | 2018-06-19 | 2018-06-19 | A kind of high-precision measuring motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941334.2U CN208282726U (en) | 2018-06-19 | 2018-06-19 | A kind of high-precision measuring motion |
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| Publication Number | Publication Date |
|---|---|
| CN208282726U true CN208282726U (en) | 2018-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820941334.2U Active CN208282726U (en) | 2018-06-19 | 2018-06-19 | A kind of high-precision measuring motion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534635A (en) * | 2018-06-19 | 2018-09-14 | 贵州省质安交通工程监控检测中心有限责任公司 | A kind of high-precision measuring motion and application method |
-
2018
- 2018-06-19 CN CN201820941334.2U patent/CN208282726U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534635A (en) * | 2018-06-19 | 2018-09-14 | 贵州省质安交通工程监控检测中心有限责任公司 | A kind of high-precision measuring motion and application method |
| CN108534635B (en) * | 2018-06-19 | 2023-07-21 | 贵州省质安交通工程监控检测中心有限责任公司 | High-precision length measuring device and use method |
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