CN101000251A - Absolute double-axis photoelectric shaft-position encoder - Google Patents
Absolute double-axis photoelectric shaft-position encoder Download PDFInfo
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- CN101000251A CN101000251A CN 200610016517 CN200610016517A CN101000251A CN 101000251 A CN101000251 A CN 101000251A CN 200610016517 CN200610016517 CN 200610016517 CN 200610016517 A CN200610016517 A CN 200610016517A CN 101000251 A CN101000251 A CN 101000251A
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- intermediate shaft
- main shaft
- retainer
- slit
- support plate
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Abstract
The invention relates to absolute twin shafting optical electric axial angle encoder. Its technique scheme is as follows: it includes flanged disc, body case, twin shafting, and reading system; the provincial axis is set at the symmetry center of the encoder; coded disc is sleeved on it; intermediate axis is sleeved on its cage outer; the outer of the intermediate axis is set its cage of which outer is set axial sleeve; the flanged disc, body case, axial sleeve, basal plate, slit rack, and slit are connected together to be a integrative component which is drove to turn round the intermediate axis by axial sleeve; provincial axis system is used to measure angular displacement data; and the intermediate axis system is used to measure their angular displacement quantity. The encoder increases the function of angular displacement measuring.
Description
One, technical field
The invention belongs to a kind of twin shafting scrambler that relates in the photoelectric measurement technical field.
Two, technical background
Optical electric axial angle encoder is a kind of representative angle displacement sensor, is applied in fields such as industry, traffic, space flight and aviation, scientific experimentation widely.Common optical electric axial angle encoder all is that single axle is.The prior art the most approaching with the present invention is Changchun Inst. of Optics and Fine Mechanics, Chinese Academy of Sciences's optical precision optical machinery and physics Institute's development product.As shown in Figure 1, be a kind of " optical electric axial angle encoder of the single axle of absolute type system ".Comprise ring flange 1, housing gib screw 2, housing 3, axle system, frame of reference.Comprise axle head support plate 21, main shaft 20, screw 19, steel ball 18, main shaft retainer 17, axle sleeve 8, axle sleeve gib screw 4 in its center shafting system; Frame of reference comprises circuit board 5, screw 6, emission light pipe 7, substrate 9, screw 10, slit frame 11, screw 12, receiving lines version 13, receives light pipe 14, slit 15, absolute type code-disc 16.
In the axle system, main shaft 20 is positioned at the symcenter position of scrambler, the outside under the shoulder of main shaft 20, the main shaft retainer 17 of band steel ball 18 is housed, be to rotate to contact between main shaft 20 and main shaft retainer 17, axle head support plate 21 be housed, be connected with screw 19 between the two in the lower end of main shaft 20, simultaneously, axle head support plate 19 is pushed down main shaft retainer 17; The vertical position of main shaft retainer 17 and the extending area at upper/lower terminal right angle be totally three faces, will be surrounded near the little position of diameter of the axle sleeve 8 of main shaft 20, rotates between the main shaft retainer 17 of main shaft 20 by having steel ball 18 and the axle sleeve 8 to contact; In frame of reference, absolute type code-disc 16 is sleeved on the main shaft 20, drops on the shoulder of main shaft 20, and is connected in it, and absolute type code-disc 16 rotates with main shaft 20; Circuit board 5 and emission light pipe 7 usefulness screws 6 are fixed on the position with holes in the middle part of the shoulder of axle sleeve 8, substrate 9 is connected with it with screw 10 in upper end, the maximum position of the diameter of axle sleeve 8, slit frame 11 is connected on the position with holes of substrate 9 by screw 12, receiving lines plate 13, reception light pipe 14, slit 15, be fixed on the slit frame 11 by screw 12, make emission light pipe 7, receive light pipe 14, slit 15, absolute type code-disc 16 on the logical light light path of frame of reference; Axle sleeve 8 is connected by axle sleeve gib screw 4 and ring flange 1, and housing 3 is all wrapped frame of reference and axle system, and is connected by housing gib screw 2 and ring flange 1.When main shaft 20 drives absolute type code-discs 16 and rotates, absolute type code-disc 16 and be fixed between the slit 15 on the slit frame 11 and produce relative motion.When light passed through code-disc code channel and slit, frame of reference just had signal output, is putting down in writing the angular displacement data that scrambler records.
This scrambler can only be measured an angular displacement, when needing to measure simultaneously two angular displacements in an axle system, just exists the limitation on function, is restricted in the application.
Three, summary of the invention
In order to overcome the limitation on function that prior art exists, the objective of the invention is to: can measure the angular displacement of two testees, a kind of absolute type twin shafting of ad hoc meter scrambler simultaneously by an optical electric axial angle encoder.
The technical problem to be solved in the present invention is: a kind of absolute type twin shafting optical electric axial angle encoder is provided.The technical scheme of technical solution problem is as shown in Figure 2: comprise band tooth ring flange 22, housing gib screw 23, housing 24, axle system, frame of reference.Wherein: comprise axle sleeve 29 in the axle system, main shaft 30, main shaft retainer 39, steel ball 40, intermediate shaft 42, intermediate shaft retainer 43, steel ball 44, spindle end support plate 45, middle axle head support plate 46, flange gear 47, middle axle head support plate gib screw 41, comprise gib screw 26 in the frame of reference, circuit board 27, emission light pipe 28, substrate 30, screw 31, slit frame gib screw 32, slit frame 33, receiving lines plate 34, receive light pipe 35, slit 36, absolute type code-disc 37.
In the axle system, main shaft 38 is positioned at the symcenter position of scrambler, the main shaft retainer 39 of steel ball 40 is housed under the shoulder of main shaft 38, spindle end support plate 45 is installed in lower end at main shaft 38, simultaneously spindle end support plate 45 is pushed down main shaft retainer 39, main shaft 38 is connected with screw between the two with spindle end support plate 45, be to rotate to contact between main shaft 38 and the main shaft retainer 39, in the outside of main shaft retainer 39 intermediate shaft 42 is housed, main shaft 38 drives absolute type code-disc 37 by main shaft retainer 39, between the inboard of intermediate shaft 42 and intermediate shaft 42, rotate and contact, the intermediate shaft retainer 43 of band steel ball 44 is housed in the outside of intermediate shaft 42, in the lower end of intermediate shaft 42 middle axle head support plate 46 is installed, be connected with gib screw 41 between the two, simultaneously, middle axle head support plate 46 is pushed down intermediate shaft retainer 43, and intermediate shaft 42 is connected with extraneous platform by middle axle head support plate 46; The position that the vertical position of intermediate shaft retainer 43 and upper and lower end right angle stretch out is totally three faces, to be surrounded near the little position of diameter of the axle sleeve 29 of intermediate shaft 42, be to rotate to contact between the intermediate shaft retainer 43 of axle sleeve 29 by having steel ball 44 and the intermediate shaft 42.
In frame of reference, absolute type code-disc 37 is sleeved on the main shaft 38, drop on the shoulder of main shaft 38 and and be connected with it, absolute type code-disc 37 rotates with main shaft 38, circuit board 27 and emission light pipe 28 have on the position in hole by the shoulder middle part that gib screw 26 is fixed on axle sleeve 29, substrate 30 is connected with it by screw 31 in upper end, the position of the diameter maximum of axle sleeve 29, slit frame 33 is fixed on the position that has the hole of substrate 30 by screw 32, receiving lines plate 34, receive light pipe 35, slit 36 is fixed on the slit frame 33, makes emission light pipe 28, absolute type code-disc 37, slit 36, receive light pipe 35 on the logical light light path of frame of reference; Axle sleeve 29 is connected by gib screw 29 and band tooth ring flange 22, and housing 24 all covers frame of reference and axle system, and housing 24 is connected by housing gib screw 23 and band tooth ring flange 22.Learn in sum: in the twin shafting of this optical electric axial angle encoder, one is that main shaft 38 drives code-disc 37 by the main shaft retainer 39 of steel ball 40 is housed, rotate inboard at intermediate shaft 42, when main shaft 38 drives 37 rotations of absolute type code-disc, produce relative motion between absolute type code-disc 37 and the slit 36, when light passed through code-disc code channel and slit, frame of reference had signal output, has put down in writing the angular displacement data that axis system records; It two is band tooth ring flange 22, housing 24, axle sleeve 29, substrate 30, and slit frame 33, slit 36 is connected becomes integral piece, and axle sleeve 29 drives other piece numbers, by the intermediate shaft retainer 43 of steel ball 44 is housed, rotates around intermediate shaft 42 in the outside of intermediate shaft 42; Drive band tooth ring flanges 22, housing 24 and be contained in slit 36 on the slit frame 33 when rotating at axle sleeve 29, with the testee rotating certain angle of flange gear 41 teeth engagement.Simultaneously, band tooth ring flange 22, housing 24 produce certain angular displacement, drive between slit 36 and the absolute type code-disc 37 and produce relative motion, when light passes through code-disc code channel and slit, frame of reference has signal output, is writing down the angular displacement that is produced between intermediate shaft system and the axis system.
Good effect of the present invention: the present invention is owing to adopt the twin shafting structure, and the angular displacement of axis system energy measurement system itself is in the time of also can measuring another system simultaneously and drive housing rotation and the angular displacement that is produced between the intermediate shaft system.With common single axle is that optical electric axial angle encoder is compared, and this absolute type twin shafting optical electric axial angle encoder has increased function, has enlarged range of application.
Four, description of drawings
Fig. 1 is that the single axle of prior art absolute type is the structural representation of optical electric axial angle encoder;
Fig. 2 is the structural representation of absolute type twin shafting optical electric axial angle encoder of the present invention.
Five, embodiment
The present invention implements by structure shown in Figure 2, wherein be with tooth ring flange 22, axle sleeve 29, substrate 30, slit frame 33, main shaft 38, main shaft retainer 39, steel ball 40, intermediate shaft 42, intermediate shaft retainer 43, steel ball 44, spindle end support plate 45, the material of middle axle head support plate 46 adopts 45
#Steel; The material of housing 24 adopts aluminium (AL), and screw 23,25,26,31,41 adopts standard component; Emission light pipe 28 adopts the TSUS5401 type of German moral rule wind root, receive the BPW41N type that light pipe 35 adopts German moral rule wind root, the baseplate material of slit 36, absolute type code-disc 37 adopts K9 optical glass, and the tolerance on fit in the twin shafting between each part is set by the angle measurement accuracy of scrambler.The code channel of code-disc distributes and the configuration of slit is also set by the angle measurement accuracy of scrambler.
Claims (1)
1, a kind of absolute type twin shafting optical electric axial angle encoder, comprise ring flange, housing gib screw, housing, axle system, frame of reference, it is characterized in that also comprising intermediate shaft gib screw (41), intermediate shaft (42), intermediate shaft retainer (43), steel ball (44), middle axle head support plate (46), flange gear (47) in the axle system; In the twin shafting of this optical electric axial angle encoder, the one, the main shaft in the axis system (38) is positioned at the symcenter position of scrambler, when main shaft (38) drives absolute type code-disc (37) rotation, by having the main shaft retainer (39) of steel ball (40), between the inboard of intermediate shaft (42) and intermediate shaft (42), rotate and contact; The 2nd, in the intermediate shaft system, intermediate shaft (42) is sleeved on the outside of main shaft retainer (39), with be to rotate to contact between the main shaft retainer (39), the intermediate shaft retainer (43) of (44) of band steel ball is housed in the outside of intermediate shaft (42), middle axle head support plate (46) is housed in the lower end of intermediate shaft (42), use screw (41) to be connected between the two, intermediate shaft support plate (46) is pushed down intermediate shaft retainer (43) simultaneously, and intermediate shaft (42) is connected by middle axle head support plate (46) and extraneous platform; Totally three at the position that the vertical position of intermediate shaft retainer (43) and upper and lower end right angle stretch out, to be surrounded near the little position of diameter of the axle sleeve (29) of intermediate shaft (42), be to rotate to contact between the intermediate shaft retainer (43) of axle sleeve (29) by having steel ball (44) and the intermediate shaft (42); Band tooth ring flange (22), housing (24), axle sleeve (29), substrate (30), slit frame (33), slit (36) part that is solidly fixed, axle sleeve (29) drives integral piece, rotates around intermediate shaft (42) in the outside of intermediate shaft (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100165175A CN100464161C (en) | 2006-01-12 | 2006-01-12 | Absolute double-axis photoelectric shaft-position encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100165175A CN100464161C (en) | 2006-01-12 | 2006-01-12 | Absolute double-axis photoelectric shaft-position encoder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101000251A true CN101000251A (en) | 2007-07-18 |
| CN100464161C CN100464161C (en) | 2009-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100165175A Expired - Fee Related CN100464161C (en) | 2006-01-12 | 2006-01-12 | Absolute double-axis photoelectric shaft-position encoder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101726324B (en) * | 2008-10-30 | 2012-05-30 | 上海恒祥光学电子有限公司 | Photoelectric encoder component |
| CN103644927A (en) * | 2013-12-12 | 2014-03-19 | 刘万更 | Adjustable resolution no-level photoelectric absolute value encoder |
| CN113383209A (en) * | 2018-12-06 | 2021-09-10 | 谐波传动系统有限公司 | Double absolute type encoder |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607617A (en) * | 2012-03-31 | 2012-07-25 | 中国科学院长春光学精密机械与物理研究所 | Multi-turn absolute type double-reading group combined photoelectric shaft angle encoder |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5420489A (en) * | 1993-11-12 | 1995-05-30 | Rockwell International Corporation | Robotic end-effector with active system compliance and micro-positioning capability |
| JPH11143632A (en) * | 1997-11-13 | 1999-05-28 | Fujitsu Takamisawa Component Ltd | Encoder and pointing device |
| JP4286441B2 (en) * | 2000-09-14 | 2009-07-01 | ナブテスコ株式会社 | Transport device |
-
2006
- 2006-01-12 CN CNB2006100165175A patent/CN100464161C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101726324B (en) * | 2008-10-30 | 2012-05-30 | 上海恒祥光学电子有限公司 | Photoelectric encoder component |
| CN103644927A (en) * | 2013-12-12 | 2014-03-19 | 刘万更 | Adjustable resolution no-level photoelectric absolute value encoder |
| CN103644927B (en) * | 2013-12-12 | 2016-01-13 | 刘万更 | Adjustable resolution no-level photoelectric absolute value encoder |
| CN113383209A (en) * | 2018-12-06 | 2021-09-10 | 谐波传动系统有限公司 | Double absolute type encoder |
| US11874143B2 (en) | 2018-12-06 | 2024-01-16 | Harmonic Drive Systems Inc. | Dual absolute encoder |
| CN113383209B (en) * | 2018-12-06 | 2024-03-29 | 谐波传动系统有限公司 | Double absolute encoder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100464161C (en) | 2009-02-25 |
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Granted publication date: 20090225 Termination date: 20110112 |