CN105806361B - Eliminate the laser alignment method of the installation error of laser alignment system - Google Patents
Eliminate the laser alignment method of the installation error of laser alignment system Download PDFInfo
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- CN105806361B CN105806361B CN201410844539.5A CN201410844539A CN105806361B CN 105806361 B CN105806361 B CN 105806361B CN 201410844539 A CN201410844539 A CN 201410844539A CN 105806361 B CN105806361 B CN 105806361B
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Abstract
The present invention provides a kind of laser alignment method of installation error for eliminating laser alignment system, the transmitter of laser alignment system and receiver are separately mounted on the driving shaft and driven shaft of mechanical equipment, and the laser alignment method includes: to establish the measured value of angle deviator and actual value, the mathematical model of the measured value of flat deviator and actual value and obtain relationship；In transmitter and the vertically-mounted initial position of receiver, the angle deviator peace deviator between driven shaft and driving shaft is obtained by measurement；Transmitter and receiver are surrounded into driving shaft and driven shaft rotation three times respectively, and the angle deviator peace deviator between driven shaft corresponding with the predetermined angular of rotation and driving shaft is obtained by measurement respectively；The measured value of obtained angle deviator and flat deviator is updated in mathematical relationship, the actual value of angle of departure deviator and flat deviator is parsed；Driving shaft and driven shaft are adjusted according to the angle deviator and the actual value of flat deviator that are parsed, to realize accurate shaft assignment.
Description
Technical field
The invention belongs to test and measuring fields, are related to a kind of laser alignment method, swash more specifically to a kind of eliminate
The laser alignment method of the installation error of light center support system.
Background technique
Axis transmission is a kind of mechanically operated important way.Axis transmission a critical issue seek to realize driving shaft with
Shaft assignment (that is, axial line alignment) between driven shaft.According to statistics, 50% or more mechanical disorder is due to drive apparatus shaft coupling
Device misaligns caused.The good centering of mechanical shafting is for preventing bearing premature failure, shaft fatigue, sealing damage, vibration
It is dynamic to play very important effect.In addition, good shaft assignment can also reduce overheat and additional energy consumption.Therefore, machine
Whether centering has vital influence to equipment normal operation to tool shafting.
Summary of the invention
In order to overcome the deficiencies of the prior art, the present invention provides a kind of laser pair of installation error for eliminating laser alignment system
Middle method.Using laser alignment method of the present invention, the introduced error of laser alignment system itself can be eliminated, thus
Measurement error is efficiently reduced, to improve the measurement accuracy of laser alignment system.
An exemplary embodiment of the present invention provides a kind of laser alignment of installation error for eliminating laser alignment system
Method, the transmitter and receiver of laser alignment system are separately mounted on the driving shaft and driven shaft of mechanical transmission, connect
It receives device and receives the laser beam that transmitter issues, the laser alignment method is the following steps are included: (a) establishes driving shaft and driven shaft
Between angle deviator measured value and actual value, driving shaft and driven shaft between flat deviator measured value and actual value mathematics
Model, and obtain corresponding relationship；(b) initial position installed in transmitter and receiver, passes through meter
It calculates and obtains the measured value of the angle deviator peace deviator between driven shaft and driving shaft；(c) transmitter is surrounded respectively with receiver
Driving shaft and driven shaft rotate three times, and are obtained respectively by measurement corresponding with the predetermined angular rotated every time driven
The measured value of angle deviator peace deviator between axis and driving shaft；(d) by step (b) and the obtained angle deviator of step (c) with
The measured value of flat deviator and the predetermined angular are updated in the relationship, solve the reality of angle of departure deviator and flat deviator
Actual value；(e) driven shaft is adjusted according to the angle deviator and the actual value of flat deviator that are solved, to realize accurate active
The shaft assignment of axis and driven shaft.
The laser alignment method of an exemplary embodiment of the present invention, in initial position, the relationship is
Following equalities:
α '=θ1-θ2-α·cosφ
Wherein, the measured value of α ' expression angle deviator, the measured value of the flat deviator of L ' expression, α indicate the actual value of angle deviator, L
Indicate the actual value of flat deviator, θ1Indicate the pitch angle of transmitter, θ2Indicate that the pitch angle of receiver, φ indicate the axis of driving shaft
Angle of the heart line between the projection of driven axial end and the Y-axis of the initial coordinate system O-XYZ of driven shaft,Indicate flat deviator
Angle between actual value and the Y-axis, lbIndicate the horizontal distance between transmitter and receiver, lhIndicate receiver to from
The difference in height of the axial line distance of the axial line distance and transmitter to driving shaft of moving axis,
Wherein, initial coordinate system o-xyz and O-XYZ, the axial line of driving shaft are established based on driving shaft and driven shaft respectively
For z-axis, x-axis and y-axis are perpendicular to z-axis, and the axial line of driven shaft is Z axis, and X-axis and Y-axis are perpendicular to Z axis.
The laser alignment method of an exemplary embodiment of the present invention, in rotary course three times, relative to initial
The predetermined angular that position is rotated is respectively γ1、γ2、γ3, corresponding relationship is as shown in following equalities:
α′γ1=θ1-θ2-α·cos(φ-γ1)
α′γ2=θ1-θ2-α·cos(φ-γ2)
α′γ3=θ1-θ2-α·cos(φ-γ3)
Wherein, α 'γ1、α′γ2With α 'γ3Indicate the measured value of angle deviator, L 'γ1、L′γ2With L 'γ3Indicate the measurement of flat deviator
Value, γ1、γ2、γ3Respectively indicate rotated predetermined angular.
The laser alignment method of an exemplary embodiment of the present invention passes through first quick biography in laser alignment system
The data for the laser beam that sensor and the acquisition of the second position sensitive device are issued about transmitter, and angle deviator is obtained using following equalities
With the measured value of flat deviator:
L2=(f '+t) tan α '
Wherein, the measured value of α ' expression angle deviator, the measured value of the flat deviator of L ' expression, f ' expression laser alignment system it is saturating
The focal length of mirror, L1Indicate the first position sensitive device collected spot center to lens the distance between primary optical axis, t indicate
Equivalent distances between second position sensitive device and the first position sensitive device, L2It indicates and the second position sensitive device base collected
The distance between the corresponding chief ray of collimated light beam and the primary optical axis of lens, L3It indicates in the second position sensitive device hot spot collected
The heart to lens the distance between primary optical axis.
The laser alignment method of an exemplary embodiment of the present invention, in the actual value of parsing angle of departure deviator and flat deviator
Later, the angle deviatoric component and flat deviatoric component of driving shaft and driven shaft in the X-direction of driving shaft are calculated using following equalities
And the angle deviatoric component of driving shaft and driven shaft in the Y direction of driving shaft and flat deviatoric component:
αx=α sin φ
αy=α cos φ
Wherein, αxAnd LxRespectively indicate the angle deviatoric component of driving shaft and driven shaft in the X-direction of driving shaft and flat deviator
Component, αyAnd LyRespectively indicate the angle deviatoric component of driving shaft and driven shaft in the Y direction of driving shaft and flat deviatoric component.
The laser alignment method of an exemplary embodiment of the present invention, according in X-direction calculated and Y direction
The numerical value of angle deviatoric component peace deviatoric component, according to the amplitudes such as the numerical value and contrary mode carries out driven shaft
Adjustment, so that driving shaft and driven shaft be made to realize shaft assignment.
The laser alignment method of an exemplary embodiment of the present invention, the predetermined angular γ1、γ2、γ3For each other not
Same any angle.
The laser alignment method of an exemplary embodiment of the present invention, the predetermined angular γ1、γ2、γ3Respectively 90
Degree, 180 degree and 270 degree.
Due to considering the installation parameter of laser alignment system in laser alignment method of the present invention calculating, so institute
The introduced error of laser alignment system itself can be eliminated by stating laser alignment method, so that measurement error is efficiently reduced, to mention
The measurement accuracy of high laser alignment system.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of laser alignment system.
Fig. 2 is the equivalent light path figure of laser alignment system shown in Fig. 1.
Fig. 3 is the laser alignment side of the installation error of the elimination laser alignment system of an exemplary embodiment of the present invention
The flow chart of method.
Fig. 4 is the coordinate schematic diagram of the driving shaft and driven shaft in mechanical transmission.
Fig. 5 is the coordinate schematic diagram after the rotation of driven shaft shown in Fig. 4.
Specific embodiment
With reference to the accompanying drawing, to the installation error of the elimination laser alignment system of an exemplary embodiment of the present invention
Laser alignment method is described in detail.
In the present example embodiment, the schematic diagram Yu equivalent light path figure of used laser alignment system are respectively such as Fig. 1
With shown in Fig. 2.However, it is necessary to which explanation, the laser alignment method are equally applicable to other laser alignment systems.
Referring to Fig.1 with Fig. 2, the laser alignment system mainly includes lens 10, Amici prism 20 and two quick detections in position
Device (PSD1 and PSD2), the principal plane of lens 10 are indicated with 11.In the laser alignment system, the directional light of laser sending
It is deflected by lens 10, deflected light passes through Amici prism 20, and the prism 20 that is split is divided into the independent light beam of two beams
(transmitted light beam and the reflected beams).Wherein, the first position sensitive detector (PSD1) is located on focal plane, for receiving the reflected beams, and
Acquire data relevant to the reflected beams.Second position sensitive detector (PSD2) is located at after focal plane at preset distance t, for receiving
Irradiating light beam, and acquire data relevant to projecting beam.Preset distance t indicates the second position sensitive device and the first position sensitive device
Between equivalent distances.The every carry out one-shot measurement of laser alignment system used in the present exemplary embodiment, is equivalent to general
Logical laser alignment system mobile lens 10 are measured twice, that is, the such two-way independent optical paths formed by prism are (anti-
Penetrate and transmit) it can disposably complete the workload that common laser alignment system measures twice.
In the mechanical transmission for being not carried out shaft assignment, existing departure is two dimension between driving shaft and driven shaft
Space vector.Herein, the departure includes angle deviator peace deviator, wherein angle deviator refer to the axial line of driving shaft with
Angle between the axial line of driven shaft, flat deviator refer to the axial line of the driven shaft on the principal plane of lens to the axis of driving shaft
The vertical range of heart line.In laser alignment method, the transmitter of laser alignment system and receiver are separately mounted to machinery
On the driving shaft and driven shaft of drive apparatus, the departure between driving shaft and driven shaft is showed using laser beam, and pass through
The data of position sensitive device acquisition in receiver are calculated, to measure angle of departure deviator peace deviator indirectly.Laser beam
It can be indicated by two flat deviators and two angle deviators in the departure of two-dimensional space, and two-dimensional space vector can decompose
For two n dimensional vector ns.The measuring principle of one-dimensional angle deviator and flat deviator is specifically described below with reference to Fig. 2.
Data are acquired using the PSD1 at position of focal plane, then utilize equation (1) calculating shown below and reference beam
Angle α between corresponding chief ray and the primary optical axis of lens 10 ':
Wherein, the measured value of α ' expression angle deviator, the focal length of f ' expression lens 10, L1It is in the collected hot spot of PSD1 institute
The heart to lens 10 the distance between primary optical axis.In the present specification, the positive and negative of α ' provides as follows: by light with acute angle go to
Primary optical axis is parallel, if direction of rotation is that clockwise, α ' is positive value；If direction of rotation is counterclockwise α '
For negative value.L1Positive and negative provide as follows: on the basis of primary optical axis, if more than primary optical axis, L1For positive value；If in key light
Axis is hereinafter, then L1For negative value.
After obtaining the measured value α ' of angle deviator, using the collected related data of PSD2, it can be obtained by triangle relation
Following equation (2) is to equation (3):
L2=(f '+t) tan α ' (2)
Wherein, the measured value of the flat deviator of L ' expression, t indicate the equivalent distances between PSD2 and PSD1, L2Expression and PSD2
The distance between the primary optical axis of reference beam collected corresponding chief ray and lens 10, L3Indicate PSD2 hot spot collected
Center to lens 10 the distance between primary optical axis.It is right in this explanation, L ', L2And L3It is positive and negative to provide as follows: using primary optical axis as base
Standard, if more than primary optical axis, L ', L2And L3For positive value；If in primary optical axis hereinafter, if L ', L2And L3For negative value.
In fact, the survey of the measured value α ' of the angle deviator as shown in equation (1) and the flat deviator as shown in equation (3)
Magnitude includes the installation error that laser alignment system itself introduces, and therefore, the measured value of the angle deviator peace deviator can not
The departure being truly reflected out between driving shaft and driven shaft.If it is intended to obtaining true between driving shaft and driven shaft
Departure must then eliminate the installation error of laser alignment system.Therefore, the laser pair of an exemplary embodiment of the present invention
Middle method further contemplates the installation error that laser alignment system itself introduces, so that export is surveyed by founding mathematical models
Relationship between magnitude and actual value is eliminated the installation error of laser alignment system by measuring and calculating, with
To true departure (that is, actual value of angle deviator and flat deviator).
The installation of the elimination laser alignment system of an exemplary embodiment of the present invention is missed below with reference to Fig. 3 to Fig. 5
The laser alignment method of difference is described in detail.
Fig. 3 is the laser alignment side of the installation error of the elimination laser alignment system of an exemplary embodiment of the present invention
The flow chart of method.Fig. 4 is the coordinate schematic diagram of the driving shaft and driven shaft in mechanical transmission, Fig. 5 be shown in Fig. 4 from
Coordinate schematic diagram after moving axis rotation.
Referring to Fig. 3, in step 100, the measured value and actual value, the measured value of flat deviator and actual value of angle deviator are established
Mathematical model, and obtain corresponding relationship.
Laser alignment is used for the intense adjustment of shaft assignment, therefore, can be by straight before using laser alignment method
Ruler observes the driving shaft of machine and the shaft assignment situation of driven shaft using visually and carries out coarse adjustment, so that transmitter be avoided to send out
Laser beam out deviates from the investigative range of the position sensitive detector in receiver.The laser pair used in the present exemplary embodiment
In middle system, transmitter and receiver are separately mounted on driving shaft and driven shaft, and receiver receives the laser that transmitter issues
Beam.In the present example embodiment, the position that transmitter and receiver are installed is set to initial position.In addition, measuring
In the process, all measured values are obtained from the receiver being mounted on driven shaft.However, it is according to the present invention other
In embodiment, if be able to achieve laser beam emit between driving shaft and driven shaft with receive, transmitter can also be mounted on from
On moving axis, receiver is mounted on driving shaft.
As shown in Figure 4 and Figure 5, initial coordinate system o-xyz and O-XYZ are established (actively based on driving shaft and driven shaft respectively
The axial line of axis is z-axis, x-axis and y-axis perpendicular to z-axis, and the axial line of driven shaft is Z axis, and X-axis and Y-axis are perpendicular to Z axis).Actively
Transmitter (not shown) on axis is set as θ relative to the pitch angle of the axial line of driving shaft1, axis of the receiver relative to driven shaft
The pitch angle of heart line is set as θ2.Herein, about θ1、θ2Positive and negative provide as follows: work as θ1To be positive value when the elevation angle, work as θ1For the angle of depression
When be negative value；Work as θ2To be negative value when the elevation angle, work as θ2To be positive value when the angle of depression.Throwing of the axial line of driving shaft in driven axial end
Angle between shadow and Y-axis is set as φ, the axial line of the axial line distance of receiver to driven shaft and transmitter to driving shaft away from
From difference in height be set as lh, about lhPositive and negative provide as follows: if receiver is to driven shaft axial line than transmitter to driving shaft
The height of axial line is high, then lhFor positive value.Horizontal distance between transmitter and receiver is set as lb.Herein, by driving shaft with
The actual value of angle deviator between driven shaft and the actual value of flat deviator are set to α and L.Actual flat deviator L and Y-axis
Angle is set asAboutPositive and negative provide as follows: when actual flat deviator L is to rotate to obtain counterclockwise from Y-axis positive direction,For positive value.
In initial position, the mathematics between the measured value α ' of angle deviator in the Y direction and the actual value α of angle deviator is closed
It is the mathematical relationship between the measured value L ' of flat deviator in the Y direction and the actual value L of flat deviator shown in formula such as equation (4)
As shown in equation (5):
α '=θ1-θ2-α·cosφ (4)
Referring back to Fig. 3, in step 200, in the initial position that transmitter and receiver are installed, by between measurement
Connect to obtain the measured value of the measured value peace deviator of the angle deviator between driven shaft and driving shaft (referring in particular to as described above etc.
Formula (1) is to equation (3)).
In step 300, transmitter and receiver are surrounded into driving shaft and driven shaft rotation three times respectively, and led to respectively
It crosses measurement and obtains the angle deviator peace deviator between driven shaft corresponding with the predetermined angular rotated every time and driving shaft.By
It is rotated in driven shaft, the coordinate system that will lead to receiver is different from initial coordinate system, and each measured value is all with receiver
It is that real-time coordinates system obtains as a result, therefore rotation is required various influence amounts being transformed into real-time coordinates and is fastened every time.
Specifically, driving shaft and driven shaft are rotated into identical first predetermined angular γ1(it is equivalent to transmitter and receiver
Rotating around driving shaft first predetermined angular γ identical with each spinning of driven shaft1).Referring to Fig. 4, the initial coordinate system of driven shaft
For O-XYZ, the coordinate system after driven shaft rotation is the direction one of the oz in O-X ' Y ' Z ', OZ ' and active axis coordinate system o-xyz
It causes.
Driving shaft and driven shaft rotate the first predetermined angular γ1Afterwards, angle deviator α ' is measuredγ1With flat deviator L 'γ1.Angle deviator
Measured value α 'γ1Between the actual value α of angle deviator shown in relationship such as equation (6), the measured value L ' of flat deviatorγ1With flat deviator
Actual value L between mathematical relationship such as equation (7) shown in:
α′γ1=θ1-θ2-α·cos(φ-γ1) (6)
Then, rotating drive shaft and driven shaft are rotated into the second predetermined angular γ2, measure angle deviator α 'γ2With flat deviator
L′γ2.The measured value α ' of angle deviatorγ2Shown in relationship such as equation (8) between the actual value α of angle deviator, the measured value of flat deviator
L′γ2Shown in mathematical relationship such as equation (9) between the actual value L of flat deviator:
α′γ2=θ1-θ2-α·cos(φ-γ2) (8)
Then, rotating drive shaft and driven shaft are rotated into third predetermined angular γ3, measure angle deviator α 'γ3With flat deviator
L′γ3.The measured value α ' of angle deviatorγ3Shown in relationship such as equation (10) between the actual value α of angle deviator, the measurement of flat deviator
Value L 'γ3Shown in mathematical relationship such as equation (11) between the actual value L of flat deviator:
α′γ3=θ1-θ2-α·cos(φ-γ3) (10)
In the present example embodiment, it is preferable that the predetermined angular γ that will be rotated relative to initial position1、γ2、γ3Point
It is not set as 90 degree, 180 degree and 270 degree.However, the invention is not limited thereto, the predetermined angular γ1、γ2、γ3It can be set
For any angle different from each other.
In this 8 equatioies of above-mentioned equation (4) to equation (11), there are 8 unknown quantity α, L, φ,lh、lb、θ1、θ2。
Since the quantity of unknown quantity is equal to the quantity of equation, this 8 unknown quantitys can be solved.Therefore, in step 400, will wait
Formula (4) to equation (11) simultaneous is equation group, and amount α ', L ', the γ that known or measurement is obtained1、α′γ1、L′γ1、γ2、α′γ2、
L′γ2、γ3、α′γ3、L′γ3Numerical value substitute into each equation, then the reality of the actual value α peace deviator of angle of departure deviator can be solved
Actual value L.
Specifically, the angle deviatoric component of the actual value L of the actual value α peace deviator of angle deviator in the Y direction and flat deviator
Component is respectively as shown in following equation (12) and (13):
αy=α cos φ (12)
The angle deviatoric component of the actual value L of the actual value α peace deviator of angle deviator in the X direction and flat deviatoric component are distinguished
As shown in following equation (14) and (15):
αx=α sin φ (14)
In step 500, according to the calculated numerical value of equation (12) to (15) institute, the tune of respective value is carried out to driven shaft
It is whole (specifically, according to equation (12) to (15) the amplitudes such as calculated numerical value and contrary mode to driven shaft into
Row adjustment, so that αx、Lx、αyAnd LyGo to zero), to realize the shaft assignment between driving shaft and driven shaft.When driving shaft and from
When moving axis is entirely on the center, the z-axis in initial coordinate system o-xyz as shown in Figure 3 will be overlapped with Z axis in O-XYZ respectively.
In conclusion laser alignment method according to the present invention considers the installation error of laser alignment system into, lead to
It crosses founding mathematical models and obtains the relationship between measured value and actual value, in initial position measurement angle deviator and put down
Deviator, rotating drive shaft and driven shaft three times, and in each rotational position measurement angle deviator and flat deviator, to utilize these
The actual value of the actual value and flat deviator of measured value and relationship solution angle of departure deviator.Finally, being adjusted according to the actual value
Driving shaft or driven shaft, to realize accurate shaft assignment.Since laser alignment method according to the present invention considers in calculating
The installation error of laser alignment system, so it is introduced to eliminate laser alignment system itself using the laser alignment method
Error, so that measurement error is efficiently reduced, to improve the measurement accuracy of laser alignment system.
Although exemplary embodiment of the present invention has been illustrated and described, it will be understood by those skilled in the art that not
It, can be to these implementations in the case where being detached from the principle and spirit of the invention defined by the claims and their equivalents
Example is modified.
Claims (7)
1. a kind of laser alignment method for the installation error for eliminating laser alignment system, the transmitter of laser alignment system and reception
Device is separately mounted on the driving shaft and driven shaft of mechanical transmission, and receiver receives the laser beam that transmitter issues, described
Laser alignment method the following steps are included:
(a) it establishes flat between the measured value and actual value, driving shaft and driven shaft of the angle deviator between driving shaft and driven shaft
The measured value of deviator and the mathematical model of actual value, and obtain corresponding relationship；
(b) initial position installed in transmitter and receiver, is obtained between driven shaft and driving shaft by survey calculation
Angle deviator peace deviator measured value；
(c) transmitter and receiver are surrounded into driving shaft and driven shaft rotation three times respectively, and respectively by measurement obtain with
The measured value of angle deviator peace deviator between the corresponding driven shaft of the predetermined angular rotated every time and driving shaft；
(d) step (b) and the obtained angle deviator of step (c) are updated to the measured value of flat deviator and the predetermined angular
In the relationship, the actual value of angle of departure deviator and flat deviator is solved；
(e) driven shaft is adjusted according to the angle deviator and the actual value of flat deviator that are solved, to realize accurate active
The shaft assignment of axis and driven shaft；
The relationship is following equalities:
α '=θ1-θ2-α·cosφ
Wherein, α ' indicates that the measured value of angle deviator, L' indicate that the measured value of flat deviator, α indicate the actual value of angle deviator, and L is indicated
The actual value of flat deviator, θ1Indicate the pitch angle of transmitter, θ2Indicate that the pitch angle of receiver, φ indicate the axial line of driving shaft
Angle between the Y-axis of the initial coordinate system O-XYZ of the projection and driven shaft of driven axial end,Indicate the reality of flat deviator
Angle between value and the Y-axis, lbIndicate the horizontal distance between transmitter and receiver, lhIndicate receiver to driven shaft
Axial line distance and the axial line distance of transmitter to driving shaft difference in height,
Wherein, initial coordinate system o-xyz and O-XYZ are established based on driving shaft and driven shaft respectively, the axial line of driving shaft is z
Axis, x-axis and y-axis are perpendicular to z-axis, and the axial line of driven shaft is Z axis, and X-axis and Y-axis are perpendicular to Z axis.
2. laser alignment method according to claim 1 is rotated in rotary course three times relative to initial position
Predetermined angular is respectively γ1、γ2、γ3, corresponding relationship is as shown in following equalities:
Wherein,WithIndicate the measured value of angle deviator,WithIndicate the measured value of flat deviator, γ1、
γ2、γ3Respectively indicate rotated predetermined angular.
3. laser alignment method according to claim 1 passes through the first position sensitive device and in laser alignment system
The data for the laser beam that the acquisition of two position sensitive devices is issued about transmitter, and angle deviator and flat deviator are obtained using following equalities
Measured value:
L2=(f'+t) tan α '
Wherein, α ' indicates that the measured value of angle deviator, L' indicate that the measured value of flat deviator, f' indicate the lens of laser alignment system
Focal length, L1Indicate the first position sensitive device collected spot center to lens the distance between primary optical axis, t indicate second
Equivalent distances between position sensitive device and the first position sensitive device, L2It indicates and the second position sensitive device reference light collected
The distance between the corresponding chief ray of beam and the primary optical axis of lens, L3Indicate the second position sensitive device spot center collected extremely
The distance between primary optical axis of lens.
4. laser alignment method according to claim 3 utilizes after the actual value of parsing angle of departure deviator and flat deviator
Following equalities calculate the angle deviatoric component and flat deviatoric component and driving shaft of driving shaft and driven shaft in the X-direction of driving shaft
With angle deviatoric component of the driven shaft in the Y direction of driving shaft and flat deviatoric component:
αx=α sin φ
αy=α cos φ
Wherein, αxAnd LxRespectively indicate the angle deviatoric component of driving shaft and driven shaft in the X-direction of driving shaft and flat deviator point
Amount, αyAnd LyRespectively indicate the angle deviatoric component of driving shaft and driven shaft in the Y direction of driving shaft and flat deviatoric component.
5. laser alignment method according to claim 4, according to the angle deviator point in X-direction calculated and Y direction
The numerical value for measuring peaceful deviatoric component, according to the amplitudes such as the numerical value and contrary mode is adjusted driven shaft, from
And driving shaft and driven shaft is made to realize shaft assignment.
6. laser alignment method according to claim 2, the predetermined angular γ1、γ2、γ3It is different from each other any
Angle.
7. laser alignment method according to claim 2, the predetermined angular γ1、γ2、γ3Respectively 90 degree, 180 degree
With 270 degree.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5877854A (en) * | 1998-02-02 | 1999-03-02 | International Technologies (Lasers) Ltd. | Azimuth alignment system |
| CN201974586U (en) * | 2011-03-10 | 2011-09-14 | 中国原子能科学研究院 | Laser and CCD alignment positioning device |
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2014
- 2014-12-30 CN CN201410844539.5A patent/CN105806361B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5877854A (en) * | 1998-02-02 | 1999-03-02 | International Technologies (Lasers) Ltd. | Azimuth alignment system |
| CN201974586U (en) * | 2011-03-10 | 2011-09-14 | 中国原子能科学研究院 | Laser and CCD alignment positioning device |
Non-Patent Citations (2)
| Title |
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| 传动系统同轴度测量方法的改进;仓玉萍等;《光子学报》;20091130;第38卷(第11期);第2932-2936页 |
| 基于像差修正的同轴度测量方法;吴国俊等;《光学 精密工程》;20071130;第15卷(第11期);第1712-1720页 |
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