CN102331242B - Idle stroke precision testing system for precision reducer - Google Patents
Idle stroke precision testing system for precision reducer Download PDFInfo
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- CN102331242B CN102331242B CN2010102246385A CN201010224638A CN102331242B CN 102331242 B CN102331242 B CN 102331242B CN 2010102246385 A CN2010102246385 A CN 2010102246385A CN 201010224638 A CN201010224638 A CN 201010224638A CN 102331242 B CN102331242 B CN 102331242B
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- precision
- idle stroke
- output terminal
- testing
- reducer
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Abstract
The invention discloses an idle stroke precision testing system for a precision reducer, which consists of a testing device and testing software, is mainly suitable for detection and analysis of idle stroke precision of a gear driving chain and belongs to the measurement technical field of driving precision of a gear pair. The idle stroke error testing system is mainly characterized in that a round grating sensor is used for acquiring a corner signal at the output end of a driving chain, sampling, amplifying and reshaping the corner signal and subdividing a test signal by using a pulse filling method; and on the basis of a Windows platform, idle stroke error testing software for the precision reducer is developed for analyzing the idle stroke error of the driving system. The testing device provides an advanced testing means for precision detection, quality evaluation, fault diagnosis and dynamic characteristic analysis of driving systems and has the characteristics of high detection precision, simple structure, flexibility, convenience in operation and the like.
Description
Technical field
Accurate retarding machine idle running error method of testing of the present invention, belong to the transmission accuracy of gear pair field of measuring technique.
Technical background
Idle running error is that the input end of driving-chain is fixed, the revolution amount that output terminal has.About the test macro of idle running error, do not find at present.And mainly utilize the phase signal relation of kinematic train input and output side two sensors to reflect about the test of driving error.Concrete ratio phase method mainly contains with frequency phase comparing method and non-same frequency ratio phase.If adopt with the frequency ratio phase, for obtaining with the frequency ratio phase signals, first to carry out the ratio of gear frequency division.In addition, in order to adapt to all unlikely generation 2 π phase overturns of various error ranges, need carry out the range frequency division.And frequency division makes decrease resolution, for guaranteeing enough resolution, should first carry out frequency multiplication.Thus, make the measuring system complexity, the error link increases, and is difficult to guarantee measuring accuracy.And adopt non-same frequency ratio phase, and due to the phase place of the output terminal integral multiple of output terminal phase place not necessarily, brought phase error, reduced measuring accuracy.
In order to improve measuring accuracy, adopt high-precision angular displacement sensor, and the price of this test macro is relatively high.
Summary of the invention
For the situation of not finding at present the idle running accuracy test device, the object of the invention is to provide a kind of high precision, intelligentized reductor idle running accuracy test system.
The present invention is a kind of idle stroke precision testing system for precision reducer, proving installation and testing software, consists of.
Wherein, the proving installation part mainly refers to the output corner signals collecting, is about to speed reduction unit and is fixed on the ring flange of frame, by accurate spring coupling, the output terminal of speed reduction unit is connected with grating encoder.
Wherein, the testing software part is mainly carried out signal processing and computational analysis to the angular signal collected.
Above-mentioned idle running accuracy test system is characterized in that:
(a) reductor is fixed on the ring flange of frame, can change ring flange according to the physical dimension of different reductors, realizes the installation testing of multiple reductor idle running precision;
(b) ring flange of reductor output terminal is coupled by the decelerator shell seam, ring flange and output shaft is designed to one simultaneously, has reduced the alignment error of this test macro;
(c) output terminal of this device adopts accurate spring coupling to connect scrambler and output shaft, guarantees the precision of corner;
(d) angular signal of this test macro output terminal, after amplification, shaping, Subdividing Processing, is input to computing machine through data collecting card, utilizes the pulse fill method further to segment test signal, with the measuring accuracy that guarantees this system, reaches desired performance;
(e) based on windows platform, develop accurate retarding machine idle running error testing software, analyze the idle running error of kinematic train.
Further segmenting test signal at pulse fill method described in (d) step is to realize as follows: the previous pulse of the output terminal of take is enabling signal, a rear pulse is for closing gate signal, by the integer of rolling counters forward reproduced pulse, utilize the time clock of computing machine to carry out interpolation subdividing to the non-integer phase place.
This test macro has following characteristics:
1, accuracy of detection is high.Can be controlled in ± 2 arc sec of angle accuracy of detection;
2, simple in structure, flexible.Only change the ring flange of output terminal, can realize the installation testing of multiple reductor idle running precision;
The accompanying drawing explanation
Fig. 1 accurate retarding machine idle running error proving installation;
The segmentation of Fig. 2 time clock;
Number in the figure title: 1. torque loader, 2. line wheel, 3. output terminal ring flange, 4. speed reduction unit, 5. spring coupling, 6. grating encoder, 7. input shaft, 8. input end ring flange, 9. frame, 10. line wheel, 11. torque loaders.
Embodiment
Accurate retarding machine idle running error proving installation is comprised of output grating encoder 6, accurate spring coupling 5, input end ring flange 8, output terminal ring flange 3, torque loader 1,11 and frame 9.Reductor input shaft and input end ring flange are fixed together, and are rigidly connected with seam and speed reduction unit 4.Simultaneously, output terminal ring flange 3 is rigidly connected with the output panel of seam and speed reduction unit 4, and torque loader 1,11 rotates with certain torque drive output terminal ring flange 3, its corner is input to the grating encoder 6 of output terminal by shaft coupling, by grating encoder, record angular signal.Angular signal is further amplified, shaping, segmentation, through data collecting card, is input in computing machine.
The angular signal obtained through grating encoder can not meet accurate retarding machine idle running accuracy test demand, for higher measuring accuracy, need utilize the pulse fill method further to segment the angular signal of output terminal, with the measuring accuracy that guarantees this system, reach desired performance; Concrete segmentation mode is the integer by the rolling counters forward reproduced pulse, and utilizes the time clock of computing machine to carry out interpolation subdividing to the non-integer phase place.
Utilize the isa bus of microcomputer, interface card is inserted in the bus duct of ISA, system is according to the random reading out data of port address of setting.Based on windows platform, develop idle running precision modularization automatic testing software system.This system comprises an application program and a dynamic link libraries, and dynamic link libraries is the function library to the microcomputer interface operation.Application program is written into internal memory by dynamic base, directly calling data load module, control module, data analysis module, window output module etc.
Claims (2)
1. an idle stroke precision testing system for precision reducer, this test macro comprises proving installation, it is characterized in that:
Proving installation is for the output corner signals collecting, this device is that reductor (4) is fixed on frame (9), the ring flange (3) of reductor (4) output terminal is coupled by the decelerator shell seam, and apply moment of torsion to output terminal ring flange (3) by the first torque loader (1) and the second torque loader (11), by accurate spring coupling (5), output terminal ring flange (3) is connected with grating encoder (6), when torque loader (1, while 11) applying torsion moment to the output terminal of speed reduction unit (4), grating encoder (6) reads the corner of speed reduction unit (4) output terminal.
2. the method for testing of an idle stroke precision testing system for precision reducer, the idle stroke precision testing system for precision reducer that it is applied to aforementioned claim 1 is characterized in that:
The output terminal angular signal is after amplification, shaping, Subdividing Processing, by data collecting card, the angular signal after processing is input to computing machine, the integer pulse of this angular signal is directly read by counter, and the non-integer pulse adopts the further interpolation subdividing of pulse filling method, concrete grammar is the corresponding clock pulses number of programmable counter counting non-integer phase place that utilizes computer-internal, and the actual idle running error of kinematic train is integer pulse and phase place corresponding to non-integer pulse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102246385A CN102331242B (en) | 2010-07-13 | 2010-07-13 | Idle stroke precision testing system for precision reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102246385A CN102331242B (en) | 2010-07-13 | 2010-07-13 | Idle stroke precision testing system for precision reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102331242A CN102331242A (en) | 2012-01-25 |
| CN102331242B true CN102331242B (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102246385A Expired - Fee Related CN102331242B (en) | 2010-07-13 | 2010-07-13 | Idle stroke precision testing system for precision reducer |
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| CN (1) | CN102331242B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453872A (en) * | 2013-08-02 | 2013-12-18 | 上海交通大学 | Multi-shaft vacuum manipulator shafting precision testing device |
| CN104776995A (en) * | 2014-01-09 | 2015-07-15 | 天津职业技术师范大学 | System for testing return difference and torsional stiffness of precision reducer |
| CN104776994B (en) * | 2014-01-09 | 2019-02-22 | 天津瑞博思传动科技有限公司 | Large-scale precision speed reducer return difference and torsion stiffness detection system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2747415Y (en) * | 2004-11-24 | 2005-12-21 | 天津减速机股份有限公司 | Flange type stepless speed regulation vertical output speed reducer |
| CN101271038A (en) * | 2008-05-09 | 2008-09-24 | 南京航空航天大学 | Measuring apparatus and method for transmission accuracy of gear pair |
-
2010
- 2010-07-13 CN CN2010102246385A patent/CN102331242B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2747415Y (en) * | 2004-11-24 | 2005-12-21 | 天津减速机股份有限公司 | Flange type stepless speed regulation vertical output speed reducer |
| CN101271038A (en) * | 2008-05-09 | 2008-09-24 | 南京航空航天大学 | Measuring apparatus and method for transmission accuracy of gear pair |
Non-Patent Citations (2)
| Title |
|---|
| 张建明.精密机械传动链动态传动精度检测分析系统的研制.《中国优秀硕士论文全文库》.2007,第7-11页. |
| 精密机械传动链动态传动精度检测分析系统的研制;张建明;《中国优秀硕士论文全文库》;20071121;第7-11页 * |
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| CN102331242A (en) | 2012-01-25 |
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Granted publication date: 20131204 Termination date: 20210713 |