CN107747933B - A kind of method of sensor real time monitoring antithesis piece deformation - Google Patents
A kind of method of sensor real time monitoring antithesis piece deformation Download PDFInfo
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- CN107747933B CN107747933B CN201710713869.4A CN201710713869A CN107747933B CN 107747933 B CN107747933 B CN 107747933B CN 201710713869 A CN201710713869 A CN 201710713869A CN 107747933 B CN107747933 B CN 107747933B
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- antithesis piece
- distance
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- sensor
- matrix
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
Abstract
The present invention provides a kind of method of sensor real time monitoring antithesis piece deformation, n hole is diametrically beaten by m of the central angles such as radial in friction plate, sensor is fixedly mounted in each hole, sensor is transmitted to computer for measuring the distance between friction plate and antithesis piece；Guarantee that antithesis piece remains static when opening hydro-viscous speed governing clutch；Before opening hydro-viscous speed governing clutch, friction plate is measured at a distance from antithesis piece as reference distance；After the opening of device some time, the data of sensor measurement are recorded；The data matrix of record is analyzed, judges the deformation of antithesis piece.The present invention is by continuously uninterruptedly detecting the variation of the distance between main driven friction, to judge that antithesis piece radially with circumferential deformation, is convenient for summarizing antithesis piece deformation rule.Measurement accuracy of the present invention is high, can monitor the small-scale deformation of antithesis piece.Work efficiency is high by the present invention, is capable of the deformation of real-time monitoring antithesis piece, finds the problem avoid the generation of failure in time.
Description
Technical field
The invention belongs to antithesis piece deformation detection technologies, are related to a kind of method of sensor real time monitoring antithesis piece deformation.
Background technique
Hydro-viscous drive is that have nothing using a kind of novel fluid driving form of the shear action transmitting power of oil film
The features such as small and Synchronous Transmission is impacted in grade speed regulation, starting is the effective means for realizing that mechanical equipment is energy-saving, is always the world
The hot spot of various countries' research.
Since antithesis piece is often under the bad working environments such as high temperature, high pressure, alternating load, during the work time antithesis piece due to
Temperature rise will appear the bad phenomenons such as deformation, cracking, fatigue crack, abrasion, and wherein thermal deformation is its main failure mode, antithesis
Piece deformation drastically influences liquid and glues the transmission performance and service life of transmission clutch, or even will cause great safety accident,
Therefore the detection of antithesis piece deformation is particularly important.
The method of detection antithesis piece deformation is that will the work antithesis piece of certain time length is taken out at present, then carries out antithesis piece dish
The measurement of shape, warpage or other deformations, this method working efficiency is low, cannot find the deformation of antithesis piece in time, can lead
Cause the damage of production equipment, the waste of the energy.
Summary of the invention
The purpose of the present invention is provide a kind of method of sensor real time monitoring antithesis piece deformation, the party regarding to the issue above
Method is continuously uninterruptedly to detect the variation of the distance between main driven friction, to judge change of the antithesis piece radially with circumferential direction
Shape situation, convenient for summarizing antithesis piece deformation rule.
The technical scheme is that a kind of method of sensor real time monitoring antithesis piece deformation, comprising the following steps:
Step S1, friction plate is mounted on the input shaft of hydro-viscous speed governing clutch, and antithesis piece is mounted on liquid_viscosity regulator clutch
On the output shaft of device, m of the central angle alphas such as the friction plate is radial diametrically beat n hole, and the pore radius in hole is r, and pitch of holes is
L, is fixedly mounted sensor in each hole, and the sensor is for measuring the distance between friction plate and antithesis piece, and by data
It is transmitted to computer；
Step S2, the output shaft of hydro-viscous speed governing clutch is braked, guarantees that antithesis piece is in when opening hydro-viscous speed governing clutch
Stationary state；
Step S3, before opening hydro-viscous speed governing clutch, friction plate is measured at a distance from antithesis piece as reference distance；
Step S4, after hydro-viscous speed governing clutch opens some time, the data of sensor measurement are recorded；
Step S5, computer analyzes the data of record, judges the deformation of antithesis piece.
Friction plate obtained in the step S3 is initial distance square as the matrix of reference distance at a distance from antithesis piece
Battle arrayThe distance that sensor measures at each behavior difference central angle alpha, it is each to be classified as radial direction from inside to outside
The distance that sensor measures.
The data matrix of computer record is in the step S5Data matrix is reflected
Monitoring region present rotation relationship, handled, convertedAjIt is matrix Am×nJth column
Wherein
Again to the matrix A and initial distance matrix A obtained after transformation0It is compared, if it find that antithesis piece outer diameter deforms
Distance is greater than ID distortion distance, then illustrates that the deformation of dish row occurs for antithesis piece, be otherwise buckling deformation, to obtain antithesis piece
Deformation.
Compared with prior art, the beneficial effects of the present invention are: the present invention passes through the central angle alphas such as radial in friction plate
M are diametrically beaten n hole, sensor are fixedly mounted in each hole, the sensor is for measuring between friction plate and antithesis piece
Distance, and transfer data to computer；The output shaft of hydro-viscous speed governing clutch is braked, guarantees to open hydro-viscous speed governing clutch
When antithesis piece remain static；Before opening hydro-viscous speed governing clutch, friction plate is measured at a distance from antithesis piece as stand-off
From obtaining initial distance matrix；After hydro-viscous speed governing clutch opens some time, the data of sensor measurement are recorded；Computer
The data matrix of record is analyzed, and is compared with initial distance matrix, judges the deformation of antithesis piece.The present invention passes through
The variation of the distance between main driven friction is continuously uninterruptedly detected, to judge deformation feelings of the antithesis piece radially with circumferential direction
Condition, convenient for summarizing antithesis piece deformation rule.Since antithesis piece deformation belongs to micron-sized deformation, so present invention is particularly suitable for
The detection of components small deformation amount in enclosure space.Measurement accuracy of the present invention is high, can monitor the small-scale deformation of antithesis piece.This hair
Bright work efficiency is high, is capable of the deformation of real-time monitoring antithesis piece, finds the problem avoid the generation of failure in time.
Detailed description of the invention
Fig. 1 is the friction plate punching schematic diagram of an embodiment of the present invention.
In figure: 1. friction plates；2. hole.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description, but protection scope of the present invention
It is not limited to this.
The present invention is by multiple sensor fixed placement friction plates, will detect the deformation feelings that antithesis piece different location occurs
Condition.Since antithesis piece deformation belongs to micron-sized deformation, so present invention is particularly suitable for components small deformations in enclosure space
The detection of amount is capable of the deformation of real-time detection part, finds the problem in time, avoid accident.
Fig. 1 show a kind of embodiment of the method for sensor real time monitoring antithesis piece deformation of the present invention, described
Sensor monitor in real time antithesis piece deformation method the following steps are included:
Step S1, friction plate 1 is mounted on the input shaft of hydro-viscous speed governing clutch, and antithesis piece is mounted on liquid_viscosity regulator clutch
On the output shaft of device, in central angle alphas=60 ° punchings 2 such as 1 circumferential directions of friction plate, each radial direction makes a call to three holes 2, pore radius r=
0.5mm, pitch of holes l=1mm, sensor is put into hole by totally ten eight holes 2 is secured with nuts, and the sensor rubs for measuring
The distance between pad 1 and antithesis piece, and transfer data to computer；Central angle alpha size, pore radius r size, pitch of holes l
It to be adjusted accordingly according to 1 size of friction plate；
Step S2, the output shaft of hydro-viscous speed governing clutch is braked, guarantees that antithesis piece is in when opening hydro-viscous speed governing clutch
Stationary state；
Step S3, before opening hydro-viscous speed governing clutch, friction plate 1 is measured at a distance from antithesis piece as reference distance, is obtained
To reference distance matrixThe distance that sensor measures at each behavior difference central angle, Mei Yilie
For the radial distance that sensor measures from inside to outside；
Step S4, after hydro-viscous speed governing clutch opens some time, the data of sensor measurement are recorded；
Step S5, it is analyzed in computer by data of the software MATLAB to record, judges the deformation feelings of antithesis piece
Condition, the distance matrix for obtaining 6 groups of different moments areRotation relationship is presented in the monitoring region that data matrix column element is reflected, needs to row
Element processing,
Transformation matrix
It converts
With initial distance matrixDeformation is smaller on the inside of antithesis piece known to comparing, and outside deformation is larger, i.e.,
The deformation of dish row has occurred.
The series of detailed descriptions listed above are illustrated only for possible embodiments of the invention,
The protection scope that they are not intended to limit the invention, it is all without departing from equivalent embodiment made by technical spirit of the present invention or change
It should all be included in the protection scope of the present invention.
Claims (1)
1. a kind of method of sensor real time monitoring antithesis piece deformation, which comprises the following steps:
Step S1, friction plate (1) is mounted on the input shaft of hydro-viscous speed governing clutch, and antithesis piece is mounted on hydro-viscous speed governing clutch
Output shaft on, m of the central angle alphas such as the friction plate (1) is radial diametrically beat n hole (2), and the pore radius of hole (2) is r,
Pitch of holes is l, sensor is fixedly mounted in each hole (2), the sensor is for measuring between friction plate (1) and antithesis piece
Distance, and transfer data to computer；
Step S2, the output shaft of hydro-viscous speed governing clutch is braked, guarantees that antithesis piece is in static when opening hydro-viscous speed governing clutch
State；
Step S3, before opening hydro-viscous speed governing clutch, friction plate (1) is measured at a distance from antithesis piece as reference distance, is obtained
Initial distance matrix；The matrix of reference distance obtained in the step S3 is initial distance matrix
The distance that sensor measures at each behavior difference central angle alpha, it is each to be classified as the radial distance that sensor measures from inside to outside；
Step S4, after hydro-viscous speed governing clutch opens some time, the data of sensor measurement are recorded；
Step S5, computer analyzes the data matrix of record, and compares with initial distance matrix, judges the change of antithesis piece
Shape situation:
The data matrix of computer record is in the step S5The monitoring that data matrix is reflected
Rotation relationship is presented in region, is handled, is convertedAjIt is matrix Am×nJth column；
Wherein
To the matrix A and initial distance matrix A obtained after transformation0It is compared analysis, within antithesis piece outer diameter deformation distance is greater than
Diameter deformation distance then illustrates that the deformation of dish row occurs for antithesis piece, is otherwise buckling deformation.
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| CN201710713869.4A CN107747933B (en) | 2017-08-18 | 2017-08-18 | A kind of method of sensor real time monitoring antithesis piece deformation |
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| CN201710713869.4A CN107747933B (en) | 2017-08-18 | 2017-08-18 | A kind of method of sensor real time monitoring antithesis piece deformation |
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| CN107747933A CN107747933A (en) | 2018-03-02 |
| CN107747933B true CN107747933B (en) | 2019-11-05 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09329434A (en) * | 1996-06-11 | 1997-12-22 | Hitachi Building Syst Co Ltd | Deformation judging gauge for escalator footstep roller |
| CN102589400A (en) * | 2012-01-08 | 2012-07-18 | 中国人民解放军后勤工程学院 | Method for measuring top deformation of vertical-type steel oil tank in limited space |
| CN102879177A (en) * | 2012-09-29 | 2013-01-16 | 江苏大学 | Hydro-viscous drive characteristic testing system |
| CN103630275A (en) * | 2013-11-20 | 2014-03-12 | 北京航空航天大学 | Embedded measuring method for contact press of annular friction pair |
| CN104964760A (en) * | 2015-07-02 | 2015-10-07 | 北京航空航天大学 | Dry friction pair infrared thermocouple embedded type dynamic temperature measurement method |
-
2017
- 2017-08-18 CN CN201710713869.4A patent/CN107747933B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09329434A (en) * | 1996-06-11 | 1997-12-22 | Hitachi Building Syst Co Ltd | Deformation judging gauge for escalator footstep roller |
| CN102589400A (en) * | 2012-01-08 | 2012-07-18 | 中国人民解放军后勤工程学院 | Method for measuring top deformation of vertical-type steel oil tank in limited space |
| CN102879177A (en) * | 2012-09-29 | 2013-01-16 | 江苏大学 | Hydro-viscous drive characteristic testing system |
| CN103630275A (en) * | 2013-11-20 | 2014-03-12 | 北京航空航天大学 | Embedded measuring method for contact press of annular friction pair |
| CN104964760A (en) * | 2015-07-02 | 2015-10-07 | 北京航空航天大学 | Dry friction pair infrared thermocouple embedded type dynamic temperature measurement method |
Non-Patent Citations (1)
| Title |
|---|
| 温度场及变形界面对液粘传动特性影响规律的研究;谢方伟;《中国博士学位论文全文数据库工程科技Ⅱ辑》;20110615;第67-68页、图4-2 * |
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