CN107727005A - Angle measuring mechanism - Google Patents
Angle measuring mechanism Download PDFInfo
- Publication number
- CN107727005A CN107727005A CN201711112149.9A CN201711112149A CN107727005A CN 107727005 A CN107727005 A CN 107727005A CN 201711112149 A CN201711112149 A CN 201711112149A CN 107727005 A CN107727005 A CN 107727005A
- Authority
- CN
- China
- Prior art keywords
- gear
- travelling gear
- coding disk
- measuring mechanism
- rotating shaft
- 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.)
- Withdrawn
Links
- 238000005259 measurement Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000005622 photoelectricity Effects 0.000 claims description 2
- 230000005693 optoelectronics Effects 0.000 abstract description 6
- 230000004907 flux Effects 0.000 abstract description 3
- 230000003321 amplification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
- G01D5/3473—Circular or rotary encoders
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
A kind of angle measuring mechanism, it is characterized in that, the angle measuring mechanism includes rotating shaft to be measured, coding disk, photelectric receiver, light-emitting tube and gear train, wherein coding disk, photelectric receiver and light-emitting tube have two sets, first coding disk is coaxially disposed with rotating shaft to be measured, and it has been separated by the gear train being disposed there between the second coding disk and the first coding disk, it is coaxially disposed with the gear of least significant end in gear train.The present invention uses optoelectronic angle to measure the measure that coding disk carries out angle, overcomes the existing industry that automatically controls and speculates by revolution step number, estimates the problem of angle inaccuracy, overcomes the influence precision factor such as backlash and step-out.So as to substantially increase the precision of angular surveying.Angle measuring mechanism involved in the present invention accurate can quickly measure rotational angle, initiate the scheme of Absolute neutron flux high-acruracy survey angle.
Description
【Technical field】
The present invention relates to mapping e measurement technology, more particularly to a kind of fine angle measuring mechanism.
【Background technology】
Current automation control system, when measuring rotational angle, the turnning circle of motor can only be relied on to estimate.Due to motor
There is the drawbacks of step-out phenomenon and gear backlash, the angle-data error for often leading to system acquisition is larger, it is impossible to meet to use and want
Ask.Existing estimation measurement angle technology is not well positioned to meet High-precision angle measurement request.
【The content of the invention】
The present invention is directed to problem above and proposes a kind of high-precision angle measuring mechanism that can ensure required precision during measurement,
The angle measuring mechanism is used for the angle for measuring rotating mechanism in real time, the required precision of equipment when ensureing to be measured.
Angle measuring mechanism involved in the present invention, including rotating shaft to be measured, coding disk, photelectric receiver, light-emitting tube
And gear train, wherein coding disk, photelectric receiver and light-emitting tube have two sets, the first coding disk is coaxially set with rotating shaft to be measured
Put, and be separated by the gear train being disposed there between the second coding disk and the first coding disk, the tooth with least significant end in gear train
Wheel is coaxially disposed.
The gear train includes the first travelling gear, the second travelling gear, the 3rd travelling gear and the 4th travelling gear, wherein
First travelling gear is coaxially disposed with rotating shaft to be measured, i.e., is synchronously rotated coaxially with rotating shaft to be measured, the second travelling gear and
One travelling gear is engaged, and the 3rd travelling gear is coaxially disposed with the second travelling gear, i.e. the 3rd travelling gear and the second driving cog
Wheel synchronously rotates coaxially, and the 4th travelling gear engages with the 3rd travelling gear.
In every suit coding disk, photelectric receiver and light-emitting tube, wherein coding disk is disc-shaped, is provided in rotating shaft
On, keep synchronously rotating coaxially with rotating shaft, and the code area of the position correspondence coding disk of light-emitting tube, and photelectric receiver then with
It is in the symmetrical form of minute surface that the location interval of light-emitting tube, which coding disk,.
Wherein the first coding disk is arranged in rotating shaft to be measured, and the second coding disk be arranged on the 4th travelling gear it is same
On individual axle.
Wherein the first travelling gear and the 3rd travelling gear are monolithic gear, and the second travelling gear and the 4th travelling gear
For split gear, the second travelling gear and the 4th travelling gear are by two panels is in the same size, number of teeth identical gear sheet is stacked, the gear teeth
Uniformly it is staggered together.
Two or more springs, clamping two panels tooth are provided among the gear sheet of the second travelling gear and the 4th travelling gear
Take turns piece and kept for uniformly interlocking for gear, eliminate error of backlash.
Gear train requires to select suitable modulus, the number of teeth and gearratio according to measurement accuracy.The maximum of first coding disk
Gearratio depending on travelling gear.
The present invention carries out the measure of angle using optoelectronic angle measurement coding disk, overcomes the existing industry that automatically controls and leans on horse
Up to the problem of rotating step number supposition, estimation angle inaccuracy, overcoming backlash and step-out etc. influences precision factor.So as to carry significantly
The high precision of angular surveying.Angle measuring mechanism involved in the present invention accurate can quickly measure rotational angle, initiate
The scheme of Absolute neutron flux high-acruracy survey angle.
【Brief description of the drawings】
Fig. 1 is the overall structure diagram of angle measuring mechanism of the present invention；
Fig. 2 is the overall structure diagram of angle measuring mechanism of the present invention；
Wherein：10th, rotating shaft to be measured；20th, gear train；21st, the first travelling gear；22nd, the second travelling gear；23rd, the 3rd transmission
Gear；24th, the 4th travelling gear；31st, the first coding disk；32nd, the first photelectric receiver；33rd, the first light-emitting tube；41st, second
Coding disk；42nd, the second photelectric receiver；43rd, the second light-emitting tube；50th, spring；
【Embodiment】
Angle measuring mechanism of the present invention is described in detail below in conjunction with drawings and Examples, the example of the embodiment exists
Shown in accompanying drawing, wherein same or similar label represents same or similar element or has same or like work(from beginning to end
The element of energy.The embodiments described below with reference to the accompanying drawings are exemplary, be only used for explain the present invention, and it is not intended that
Limitation of the present invention.
In the description of the invention, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are based on side shown in the drawings
Position or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or the device or member that imply meaning
Part must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Accompanying drawing 1 is refer to, illustrated therein is angle measuring mechanism, including rotating shaft to be measured 10, coding disk 31/41, photoelectricity
Receiver 32/42, light-emitting tube 33/43 and gear train 20, wherein coding disk 31/41, photelectric receiver 32/42 and light transmitting
Pipe 33/43 has two sets, and respectively the first coding disk 31, the first photelectric receiver 32 and the first light-emitting tube 33 and second are compiled
Code-disc 41, the second photelectric receiver 42 and the second light-emitting tube 43.
First coding disk is coaxially disposed with rotating shaft 10 to be measured, i.e., the first coding disk 31 keeps synchronous with rotating shaft 10 to be measured
Rotate coaxially, and be separated by the gear train 20 being disposed there between the second coding disk and the first coding disk, and in gear train 20
The gear of least significant end is coaxially disposed.
The gear train 20 includes the first travelling gear 21, the second travelling gear 22, the 3rd travelling gear 23 and the 4th transmission
Gear 24, wherein the first travelling gear 21 is coaxially disposed with rotating shaft 10 to be measured, i.e., synchronously rotated coaxially with rotating shaft 10 to be measured,
Second travelling gear 22 is engaged with the first travelling gear 21, and the 3rd travelling gear 23 is coaxially disposed with the second travelling gear 22, i.e.,
3rd travelling gear 23 is synchronously rotated coaxially with the second travelling gear 22, and the 4th travelling gear 24 is nibbled with the 3rd travelling gear 23
Close.
Two pairs of meshed gears are all the diameters that higher level's gear is far smaller than subordinate's gear, then can clearly be to that will turn
Dynamic angle is amplified, and is then to have carried out two level amplification by the intermeshing gear in the two poles of the earth., can by contrasting gear ratio
It is how many to calculate the amplification ratio of every grade of transmission, and overall amplification ratio.
In every suit coding disk 31/41, photelectric receiver 32/42 and light-emitting tube 33/43, wherein coding disk 31/41
For disc-shaped, it is provided in rotating shaft, keeps synchronously rotating coaxially with rotating shaft, and the position correspondence of light-emitting tube 33/43 encodes
The code area of disk 31/41, and it is in minute surface that the location interval of photelectric receiver 32/42 and light-emitting tube 33/43, which coding disk 31/41,
Symmetrical form.
Vis-a-vis coding disk is fixed for opto-electronic receiver, transmitter, and coding disk rotates with axle, is done relatively with motionless optoelectronic components
Motion, optoelectronic components read rotating shaft change and complete angular surveying.
Wherein the first coding disk 31 is arranged in rotating shaft 10 to be measured, and the second coding disk 41 is set with the 4th travelling gear 24
Put on same axle.
Wherein the first travelling gear 21 and the 3rd travelling gear 23 are monolithic gear, and the second travelling gear 22 and the 4th passes
Moving gear 24 is split gear, the second travelling gear 22 and the 4th travelling gear 24 by two panels is in the same size, number of teeth identical tooth
Piece is stacked wheel, the gear teeth are uniformly staggered together.
Two or more springs 50, clamping are provided among the gear sheet of the second travelling gear 22 and the 4th travelling gear 24
Two panels gear sheet is kept for uniformly interlocking for gear, eliminates error of backlash.
Gear train 20 requires to select suitable modulus, the number of teeth and gearratio according to measurement accuracy.First coding disk 31 is most
Gearratio of the big value depending on travelling gear.
The present invention carries out the measure of angle using optoelectronic angle measurement coding disk, overcomes existing measurement corner and turns by motor
The problem of dynamic step number speculates, estimation angle inaccuracy, overcoming backlash and step-out etc. influences precision factor.So as to substantially increase
The precision of angular surveying.Angle measuring mechanism involved in the present invention accurate can quickly measure axis of rotation angle, initiate
The scheme of Absolute neutron flux high-acruracy survey crank degree.
It is described above, only it is present pre-ferred embodiments, any formal limitation not is made to the present invention, although
The present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any person skilled in the art,
Do not depart from the range of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent change
The equivalent embodiment of change, as long as being without departing from technical solution of the present invention content, refer to according to the technology of the present invention to above example
Any simple modification, equivalent change and modification made, is belonged in the range of technical solution of the present invention.
Claims (6)
1. a kind of angle measuring mechanism, it is characterised in that the angle measuring mechanism connects including rotating shaft to be measured, coding disk, photoelectricity
Receiving device, light-emitting tube and gear train, wherein coding disk, photelectric receiver and light-emitting tube has two sets, and the first coding disk is with treating
Measurement rotating shaft is coaxially disposed, and has been separated by the gear train being disposed there between the second coding disk and the first coding disk, with gear
The gear of least significant end is coaxially disposed in group.
2. angle measuring mechanism according to claim 1, it is characterised in that the gear train includes the first travelling gear, second
Travelling gear, the 3rd travelling gear and the 4th travelling gear, wherein the first travelling gear is coaxially disposed with rotating shaft to be measured, i.e., with
Rotating shaft to be measured synchronously rotates coaxially, and the second travelling gear engages with the first travelling gear, the 3rd travelling gear and the second transmission
Gear is coaxially disposed, i.e., the 3rd travelling gear synchronously rotates coaxially with the second travelling gear, the 4th travelling gear and the 3rd transmission
Gear engages.
3. angle measuring mechanism according to claim 1, it is characterised in that in every suit coding disk, photelectric receiver and light
In transmitting tube, wherein coding disk is disc-shaped, is provided in rotating shaft, keeps synchronously rotating coaxially with rotating shaft, and light-emitting tube
Position correspondence coding disk code area, and photelectric receiver then with the location interval of light-emitting tube coding disk in minute surface it is symmetrical
Form.
4. angle measuring mechanism according to claim 1, it is characterised in that wherein the first coding disk is arranged on rotating shaft to be measured
On, and the second coding disk and the 4th travelling gear are arranged on same axle.
5. angle measuring mechanism according to claim 1, it is characterised in that wherein the first travelling gear and the 3rd travelling gear
For monolithic gear, and the second travelling gear and the 4th travelling gear are split gear, the second travelling gear and the 4th travelling gear
By two panels is in the same size, number of teeth identical gear sheet is stacked, the gear teeth are uniformly staggered together.
6. angle measuring mechanism according to claim 1, it is characterised in that in the second travelling gear and the 4th travelling gear
Two or more springs are provided among gear sheet, clamping two panels gear sheet is kept for uniformly interlocking for gear, eliminates error of backlash.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711112149.9A CN107727005A (en) | 2017-11-13 | 2017-11-13 | Angle measuring mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711112149.9A CN107727005A (en) | 2017-11-13 | 2017-11-13 | Angle measuring mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107727005A true CN107727005A (en) | 2018-02-23 |
Family
ID=61215252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711112149.9A Withdrawn CN107727005A (en) | 2017-11-13 | 2017-11-13 | Angle measuring mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107727005A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884007A (en) * | 2021-09-29 | 2022-01-04 | 中元汇吉生物技术股份有限公司 | Position detection assembly, position detection system, analyzer bearing device and analyzer |
| CN114518630A (en) * | 2020-11-19 | 2022-05-20 | 成都极米科技股份有限公司 | Backlash elimination method and device, electronic equipment and computer-readable storage medium |
| CN116337120A (en) * | 2023-03-29 | 2023-06-27 | 东莞市涛涛电子有限公司 | Photoelectric encoder with electronic rotating disc |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10018496A1 (en) * | 2000-04-14 | 2001-10-25 | Kostal Leopold Gmbh & Co Kg | Optoelectronic path or angle measuring equipment has code disks that form structures which produce spatial frequency superposition, forming interference pattern on sensor array |
| CN2767964Y (en) * | 2005-01-25 | 2006-03-29 | 宁波市科技园区长源电子有限公司 | Coding mask recognizing structure of measure meter |
| CN101275881A (en) * | 2008-05-16 | 2008-10-01 | 北京工业大学 | Small mode number gear drive error measuring method |
| DE102011109269B3 (en) * | 2011-08-03 | 2012-11-29 | Maschinenfabrik Reinhausen Gmbh | Position-reporting arrangement |
| CN204177403U (en) * | 2014-11-15 | 2015-02-25 | 广东伊莱斯电机有限公司 | A kind of multi-turn mechanical type absolute value encoder |
| CN207395679U (en) * | 2017-11-13 | 2018-05-22 | 深圳中天云隼科技有限公司 | Angle measuring mechanism |
-
2017
- 2017-11-13 CN CN201711112149.9A patent/CN107727005A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10018496A1 (en) * | 2000-04-14 | 2001-10-25 | Kostal Leopold Gmbh & Co Kg | Optoelectronic path or angle measuring equipment has code disks that form structures which produce spatial frequency superposition, forming interference pattern on sensor array |
| CN2767964Y (en) * | 2005-01-25 | 2006-03-29 | 宁波市科技园区长源电子有限公司 | Coding mask recognizing structure of measure meter |
| CN101275881A (en) * | 2008-05-16 | 2008-10-01 | 北京工业大学 | Small mode number gear drive error measuring method |
| DE102011109269B3 (en) * | 2011-08-03 | 2012-11-29 | Maschinenfabrik Reinhausen Gmbh | Position-reporting arrangement |
| WO2013017511A1 (en) * | 2011-08-03 | 2013-02-07 | Maschinenfabrik Reinhausen Gmbh | Position signaling device |
| CN204177403U (en) * | 2014-11-15 | 2015-02-25 | 广东伊莱斯电机有限公司 | A kind of multi-turn mechanical type absolute value encoder |
| CN207395679U (en) * | 2017-11-13 | 2018-05-22 | 深圳中天云隼科技有限公司 | Angle measuring mechanism |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114518630A (en) * | 2020-11-19 | 2022-05-20 | 成都极米科技股份有限公司 | Backlash elimination method and device, electronic equipment and computer-readable storage medium |
| CN114518630B (en) * | 2020-11-19 | 2023-09-01 | 成都极米科技股份有限公司 | Null back elimination method, device, electronic equipment and computer readable storage medium |
| CN113884007A (en) * | 2021-09-29 | 2022-01-04 | 中元汇吉生物技术股份有限公司 | Position detection assembly, position detection system, analyzer bearing device and analyzer |
| CN116337120A (en) * | 2023-03-29 | 2023-06-27 | 东莞市涛涛电子有限公司 | Photoelectric encoder with electronic rotating disc |
| CN116337120B (en) * | 2023-03-29 | 2024-02-13 | 东莞市涛涛电子有限公司 | Photoelectric encoder with electronic rotating disc |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107727005A (en) | Angle measuring mechanism | |
| CN101797702B (en) | Device for measuring position precision of digital control turntable by using laser angle interferometer and measuring method | |
| CN101293535B (en) | Measuring method for corner of vehicle steering wheel | |
| CN105277129B (en) | A kind of contactless gauge measuring system of laser range sensor dynamic | |
| CN201059970Y (en) | Laser triangular distance measuring apparatus | |
| CN106834643B (en) | Roller hearth heat-treated furnace conveying roller installation accuracy control method | |
| CN104501763B (en) | Novel measurement method of gear measurement center | |
| CN101329165A (en) | Space positioning method based on double-rotating laser plane transmitter network | |
| CN207395711U (en) | Precision angle holder | |
| CN204255287U (en) | Magnetic angular transducer calibration and calibrating installation | |
| US1873126A (en) | Apparatus for continuously recording the path of flight of aircraft | |
| CN207395679U (en) | Angle measuring mechanism | |
| CN103852035A (en) | Mechanism for measuring straightness or coaxiality of slender rods and measurement method for realizing straightness or coaxiality of slender rod by using mechanism | |
| CN114739304A (en) | Positioning and ranging device for environmental art design | |
| CN101655356B (en) | Graduation device for detecting surface shape of aspheric optical element | |
| CN108268057B (en) | Three-dimensional pose adjusting and measuring device | |
| CN104697552B (en) | Misalignment angle calibration method for two-dimensional autocollimator | |
| CN103115588A (en) | Precision detection test bench for arc-face cam indexing mechanism capable of changing center distance | |
| CN103063205A (en) | Indexing method and mechanism used for four-position north-seeking measuring in north-seeking system | |
| CN202974210U (en) | Angle measuring device | |
| CN1850443A (en) | Granite step gauge measuring device | |
| CN207882437U (en) | A kind of hand-held laser rangefinder automatic verification system | |
| CN106679637B (en) | Double motor type laser demarcation follow-up mechanism | |
| CN101907452A (en) | Sine mechanism calibration device and method used under ultrahigh vacuum environment | |
| CN101559426B (en) | Gear-rack type laser scanning ball-sorting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180223 |