CN105717321A - Method for measuring rotating speed of pin gear of cycloidal pin wheel speed reducer - Google Patents
Method for measuring rotating speed of pin gear of cycloidal pin wheel speed reducer Download PDFInfo
- Publication number
- CN105717321A CN105717321A CN201610256676.6A CN201610256676A CN105717321A CN 105717321 A CN105717321 A CN 105717321A CN 201610256676 A CN201610256676 A CN 201610256676A CN 105717321 A CN105717321 A CN 105717321A
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- CN
- China
- Prior art keywords
- planet
- pin tooth
- pin
- cycloid reducer
- spy
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- 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.)
- Pending
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000000691 measurement method Methods 0.000 claims description 13
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000010892 electric spark Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 abstract 4
- 239000003086 colorant Substances 0.000 abstract 3
- 230000005540 biological transmission Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
- G01P3/38—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light using photographic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
- F16H2055/176—Ring gears with inner teeth
Abstract
The invention discloses a method for measuring a rotating speed of a pin gear of a cycloidal pin wheel speed reducer. The method comprises the following steps: 1) uniformly forming grooves on an external circle of the pin gear in the cycloidal pin wheel speed reducer, and then filling all the grooves with colors and taking the grooves filled with colors as a scale mark of the external circle of the pin gear in the cycloidal pin wheel speed reducer, wherein adjacent grooves are filled with different colors; 2) forming a visual hole on a pin gear shell in the cycloidal pin wheel speed reducer, wherein the axis of the visual hole is vertically intersected with the axis of the pin gear in the cycloidal pin wheel speed reducer and the visual hole can be used for viewing the scale mark of the external circle of the pin gear in the cycloidal pin wheel speed reducer; 3) in the working process of the cycloidal pin wheel speed reducer, acquiring video information of pin gear rotation in the cycloidal pin wheel speed reducer by a high-speed camera through the visual hole, and then acquiring the rotating speed of the pin gear of the cycloidal pin wheel speed reducer according to the video information. According to the method provided by the invention, the rotating speed of the pin gear of the cycloidal pin wheel speed reducer can be acquired.
Description
Technical field
The present invention relates to a kind of rotating speed measurement method, be specifically related to a kind of planet-cycloid reducer pin tooth rotating speed measurement method.
Background technology
Cycloidal profile is applied even earlier than involute profile, namely occurs in that cycloidal profile transmission, but be only used for underloading and measure calibration field in clock and watch in early days.Until being demonstrated employing circular arc and cycloidal profile the thirties in last century first by German rowland Zi Pula when carrying out transmission as conjugate curves, fully meet the stable drive ratio condition that flank profil engagement fundamental theorem specifies, here it is cycloid pinwheel planetary gear transmission system (later referred to as pin cycloid transmission).After Japanese have purchased the patent of Germany the end of the fifties later, by studying the problem efficiently solved existing for pin cycloid transmission deceleration device, manufacturing process and heat processing technique are grasped, after particularly having grasped the axial modification technology of a set of core, released the cycloidal reducer product of a kind of brand-new series in 1969, this product is owing to having that gear range is big, compact conformation, reliability high and the distinguishing feature such as life-span length.
Cycloid gear has been carried out corresponding research by China after 70 years last century, and achieves certain effect in practice.But in the researchs such as the transmission accuracy of planet-cycloid reducer, rigidity, efficiency, life-span, weight, bearing capacity, friction and damping also with big gap of abroad having gone together, especially bigger in the research application aspect gap of miniature precision planet-cycloid reducer.The pin tooth of small cycloidal pin wheel gear is without pin gear sleeve structure, pin tooth is directly embedded in the pin teeth groove in pin wheel housing, between pin tooth and pin teeth groove, gap is about 0.01～0.02 millimeter, during decelerator work, pin tooth rotates under the frictional force effect that Cycloidal Wheel and pin wheel housing apply jointly, and its rotating speed is unknown.And the aspects such as Cycloidal Wheel Flash Temperature On Tooth Surface, lubrication, abrasion and transmission efficiency are had significant impact by pin tooth rotating speed.
Summary of the invention
It is an object of the invention to the shortcoming overcoming above-mentioned prior art, it is provided that a kind of planet-cycloid reducer pin tooth rotating speed measurement method, the rotating speed that the method is obtained in that in planet-cycloid reducer pin tooth.
For reaching above-mentioned purpose, planet-cycloid reducer pin tooth rotating speed measurement method of the present invention comprises the following steps:
1) uniformly offering groove on the pin tooth cylindrical in planet-cycloid reducer, then Fill Color in each groove, to fill coloured groove as the graduation mark of pin tooth cylindrical in planet-cycloid reducer, wherein, the color filled in adjacent grooves is different；
2) offering spy-hole on the pin wheel housing in planet-cycloid reducer, wherein, the axis of spy-hole intersects vertically with the axis of pin tooth in planet-cycloid reducer, and spy-hole can visit the graduation mark of pin tooth cylindrical in planet-cycloid reducer；
3) in planet-cycloid reducer work process, high-speed camera obtains, by spy-hole, the video information that in planet-cycloid reducer, pin tooth rotates, obtain in video information pin tooth high scale line between adjacent two two field pictures again and, relative to the displacement information of spy-hole, then obtain the rotating speed of pin tooth in planet-cycloid reducer according to pin tooth high scale line between two two field pictures adjacent in video information relative to the displacement information of spy-hole.
Offering groove by having on the electric spark numerical-control machining tool of the 4th axle index dial pin tooth cylindrical in planet-cycloid reducer, each groove is arranged in the axial centre position of cycloidal pin teeth decelerator pin tooth.
The quantity of groove is even number.
The diameter of spy-hole is be more than or equal to the length of groove, and the diameter of spy-hole is less than or equal to 5mm.
The shooting speed of high-speed camera is be more than or equal to 1000 frames per second, and resolution is be more than or equal to 1280 × 800.
In high-speed camera, the axis of camera lens is paralleled with the axis of spy-hole.
The method have the advantages that
Planet-cycloid reducer pin tooth rotating speed measurement method of the present invention is when concrete operations, first the pin tooth cylindrical in planet-cycloid reducer makes graduation mark, spy-hole is offered again on pin wheel housing, then recycling high-speed camera obtains, by spy-hole, the video information that pin tooth rotates, the rotating speed of pin tooth in planet-cycloid reducer can be obtained finally by analyzing described video information, operate relatively simple, practical, less costly, there is comparatively wide application prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Planet-cycloid reducer pin tooth rotating speed measurement method of the present invention comprises the following steps:
1) the pin tooth cylindrical in planet-cycloid reducer uniformly offers groove, then Fill Color in each groove, to fill coloured groove as the graduation mark of pin tooth cylindrical in planet-cycloid reducer, wherein, the color filled in adjacent grooves is different, the quantity of groove is even number, and when the gap between a pair Cycloidal Wheel is 1 millimeter, the length of graduation mark not can exceed that 1 millimeter；
2) offering spy-hole on the pin wheel housing in planet-cycloid reducer, wherein, the axis of spy-hole intersects vertically with the axis of pin tooth in planet-cycloid reducer, and spy-hole can visit the graduation mark of pin tooth cylindrical in planet-cycloid reducer；
3) in planet-cycloid reducer work process, high-speed camera obtains, by spy-hole, the video information that in planet-cycloid reducer, pin tooth rotates, obtain in video information pin tooth high scale line between adjacent two two field pictures again and, relative to the displacement information of spy-hole, then obtain the rotating speed of pin tooth in planet-cycloid reducer according to pin tooth high scale line between two two field pictures adjacent in video information relative to the displacement information of spy-hole.
Groove is offered by having on the electric spark numerical-control machining tool of the 4th axle index dial pin tooth cylindrical in planet-cycloid reducer, each groove is arranged in the axial centre position of cycloidal pin teeth decelerator pin tooth, add man-hour, pin tooth is fixed on index dial claw, add man-hour, ensure the axis of tool-electrode and the axis perpendicular quadrature of pin tooth, working depth is determined according to gear pin diameter, it is generally 0.1～0.5 millimeter, after processing a groove, it is the groove number on pin tooth that index dial rotates 360/Z, Z, then carries out the processing of a low groove.
The diameter of spy-hole is be more than or equal to the length of groove, but can not be too big and affect the force-bearing situation of pin wheel housing, the diameter of general spy-hole is less than or equal to 5mm, ensure have two graduation marks to be positioned at spy-hole simultaneously, wherein, graduation mark is positioned at the middle part that pin tooth is axial, and the distance of distance two end faces of pin tooth is equal, the color filled in graduation mark is at least two kinds, and the color of adjacent two graduation marks is different.
In high-speed camera, the axis of camera lens is paralleled with the axis of spy-hole, the shooting speed of high-speed camera is be more than or equal to 1000 frames per second, resolution is be more than or equal to 1280 × 800, the shooting speed of high-speed camera should be determined according to Cycloidal Wheel rotating speed, but need to ensure that, when pin tooth rotates, a certain graduation mark on pin tooth simultaneously appears on two adjacent frame pictures.The length of shooting video needs also exist for determining according to Cycloidal Wheel rotating speed, the time that only need to rotate a circle be more than or equal to Cycloidal Wheel.
Video can be preserved into picture by the process software that high-speed camera carries, for instance the high-speed camera of U.S. Phantom series, its poster processing soft is PhantomCameraControl.The image processing function of recycling business software matlab, identify that between every two two field pictures, pin tooth high scale line is relative to the displacement of spy-hole, in video image, the displacement of graduation mark is in-plane displancement, need to being converted into the arc length on circumferencial direction, arc length is the rotating speed of pin tooth with the ratio shooting every two two field picture required times.
Claims (6)
1. a planet-cycloid reducer pin tooth rotating speed measurement method, it is characterised in that comprise the following steps:
1) uniformly offering groove on the pin tooth cylindrical in planet-cycloid reducer, then Fill Color in each groove, to fill coloured groove as the graduation mark of pin tooth cylindrical in planet-cycloid reducer, wherein, the color filled in adjacent grooves is different；
2) offering spy-hole on the pin wheel housing in planet-cycloid reducer, wherein, the axis of spy-hole intersects vertically with the axis of pin tooth in planet-cycloid reducer, and spy-hole can visit the graduation mark of pin tooth cylindrical in planet-cycloid reducer；
3) in planet-cycloid reducer work process, high-speed camera obtains, by spy-hole, the video information that in planet-cycloid reducer, pin tooth rotates, obtain in video information pin tooth high scale line between adjacent two two field pictures again and, relative to the displacement information of spy-hole, then obtain the rotating speed of pin tooth in planet-cycloid reducer according to pin tooth high scale line between two two field pictures adjacent in video information relative to the displacement information of spy-hole.
2. planet-cycloid reducer pin tooth rotating speed measurement method according to claim 1, it is characterized in that, offering groove by having on the electric spark numerical-control machining tool of the 4th axle index dial pin tooth cylindrical in planet-cycloid reducer, each groove is arranged in the axial centre position of cycloidal pin teeth decelerator pin tooth.
3. planet-cycloid reducer pin tooth rotating speed measurement method according to claim 1, it is characterised in that the quantity of groove is even number.
4. planet-cycloid reducer pin tooth rotating speed measurement method according to claim 1, it is characterised in that the diameter of spy-hole is be more than or equal to the length of groove, and the diameter of spy-hole is less than or equal to 5mm.
5. planet-cycloid reducer pin tooth rotating speed measurement method according to claim 1, it is characterised in that the shooting speed of high-speed camera is be more than or equal to 1000 frames per second, and resolution is be more than or equal to 1280 × 800.
6. planet-cycloid reducer pin tooth rotating speed measurement method according to claim 1, it is characterised in that in high-speed camera, the axis of camera lens is paralleled with the axis of spy-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610256676.6A CN105717321A (en) | 2016-04-22 | 2016-04-22 | Method for measuring rotating speed of pin gear of cycloidal pin wheel speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610256676.6A CN105717321A (en) | 2016-04-22 | 2016-04-22 | Method for measuring rotating speed of pin gear of cycloidal pin wheel speed reducer |
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| Publication Number | Publication Date |
|---|---|
| CN105717321A true CN105717321A (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610256676.6A Pending CN105717321A (en) | 2016-04-22 | 2016-04-22 | Method for measuring rotating speed of pin gear of cycloidal pin wheel speed reducer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045138A (en) * | 2019-05-09 | 2019-07-23 | 盐城工学院 | A kind of cycloidal-pin gear speed reducer needle tooth speed measuring system and method |
| CN113137935A (en) * | 2021-04-25 | 2021-07-20 | 四川大学 | RV reducer cycloid wheel wear testing system and method based on computer vision |
| CN114593777A (en) * | 2022-05-10 | 2022-06-07 | 湖北一方科技发展有限责任公司 | Automatic hydrology flood mark monitoring devices suitable for areas that flood disasters are frequently sent |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1060716A (en) * | 1991-12-05 | 1992-04-29 | 天津大学 | Cycloidal gear single toothing measuring technology |
| CN102066877A (en) * | 2008-02-27 | 2011-05-18 | 法雷奥开关和传感器有限责任公司 | Arrangement for detecting a rotation angle |
| CN102141573A (en) * | 2010-12-23 | 2011-08-03 | 江西洪都航空工业集团有限责任公司 | Rotational speed image measurement technology of landing gear drop test aircraft wheel |
| CN102944689A (en) * | 2012-11-13 | 2013-02-27 | 江苏科技大学 | Brushless direct-current motor rotation speed detection device adopting charge coupled device (CCD) camera and method |
| JP5739232B2 (en) * | 2011-05-25 | 2015-06-24 | Ntn株式会社 | Method and apparatus for measuring rolling element behavior of rolling bearing |
-
2016
- 2016-04-22 CN CN201610256676.6A patent/CN105717321A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1060716A (en) * | 1991-12-05 | 1992-04-29 | 天津大学 | Cycloidal gear single toothing measuring technology |
| CN102066877A (en) * | 2008-02-27 | 2011-05-18 | 法雷奥开关和传感器有限责任公司 | Arrangement for detecting a rotation angle |
| CN102141573A (en) * | 2010-12-23 | 2011-08-03 | 江西洪都航空工业集团有限责任公司 | Rotational speed image measurement technology of landing gear drop test aircraft wheel |
| JP5739232B2 (en) * | 2011-05-25 | 2015-06-24 | Ntn株式会社 | Method and apparatus for measuring rolling element behavior of rolling bearing |
| CN102944689A (en) * | 2012-11-13 | 2013-02-27 | 江苏科技大学 | Brushless direct-current motor rotation speed detection device adopting charge coupled device (CCD) camera and method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045138A (en) * | 2019-05-09 | 2019-07-23 | 盐城工学院 | A kind of cycloidal-pin gear speed reducer needle tooth speed measuring system and method |
| CN113137935A (en) * | 2021-04-25 | 2021-07-20 | 四川大学 | RV reducer cycloid wheel wear testing system and method based on computer vision |
| CN114593777A (en) * | 2022-05-10 | 2022-06-07 | 湖北一方科技发展有限责任公司 | Automatic hydrology flood mark monitoring devices suitable for areas that flood disasters are frequently sent |
| CN114593777B (en) * | 2022-05-10 | 2022-08-05 | 湖北一方科技发展有限责任公司 | Automatic hydrology flood mark monitoring devices suitable for areas that flood disasters are frequently sent |
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Application publication date: 20160629 |