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CN2615634Y - Axes aligning device for rotary equipment - Google Patents

Axes aligning device for rotary equipment Download PDF

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Publication number
CN2615634Y
CN2615634Y CN 03243876 CN03243876U CN2615634Y CN 2615634 Y CN2615634 Y CN 2615634Y CN 03243876 CN03243876 CN 03243876 CN 03243876 U CN03243876 U CN 03243876U CN 2615634 Y CN2615634 Y CN 2615634Y
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axle
camera
coordinate
data processor
semiconductor
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陈太文
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Abstract

The utility model is used in center adjustment of rotating equipment. The utility model is mainly characterized in that it uses a semi-conductive pick-up head and a light source or uses a mouse device and a light source directly on the driving shaft and the actuating shaft of rotating equipment. The pick-up head shoots picture of the opposite light source. Software transforms the picture into coordinate values. When the two shafts are turned by a certain angle synchronizingly, the coordinate values will change continuously. Then choose three coordinate values to figure out the location of the shaft 2 and draw the values and the direction needing to adjust of the supporting point of the device. The utility model gives a geometrical model to get mathematical formulae which can figure out the deviation values in the horizontal direction and the vertical direction of each supporting point of the device. The deviation value of the supporting point can be figured out by turning the device by any angle.

Description

The axle center centralising device that is used for slewing
Affiliated technical field
The utility model relates to a kind of centering of measuring two or more slewing axles, thereby draws adjustment amount and adjust direction.When two equipment rotation axiss connected by shaft coupling, the rotation center of main drive shaft and driven shaft need satisfy certain status requirement.The axle center of diaxon requires on same straight line in working order.Some equipment temperature in working order is different with the temperature of stationary state, and therefore the axle center when stationary state requires diaxon to satisfy certain position relation not on same straight line.Be axis of reference normally, make diaxon satisfy certain requirement by adjusting another with one.The position in axle center is to realize by the fulcrum of adjusting equipment.Adjust the horizontal level and the vertical height position of fulcrum.Amount that fulcrum need be adjusted and direction will by methods such as calculating or drawing, draw amount and direction that fulcrum need be adjusted with this parameter by some parameters of measurement axis.
Present existing centering equipment and technology state is as follows.
1, simple method is measured with clearance gauge, and precision is low, is used for the low mini-plant of requirement.
2, with clock gauge and dummy shaft, remove shaft coupling, the workload of removing shaft coupling sometimes is very big, and for long equipment apart from shaft coupling, because the distortion of dummy shaft, measuring accuracy is low, is difficult to meet the demands.
3, present laser photoelectricity device need not removed shaft coupling, but its surveying instrument is very expensive, the expense height.Can not be used for mini-plant, main equipment also seldom uses.
4, present single beam technology, some uses reflective mirror, adjusts the reflective mirror more complicated when mounted, is awkward.
5, most surveying instruments are wanted 1 week of rotation axis, amount and direction that the equipment of just measuring need be adjusted.
The main equipment that has rotates very difficult, and in every one less important one week of rotation of measurement, workload is big.
6, the shortcoming that all mechanical means are measured is that when shaft coupling was longer, it was big to measure difficulty.
7, usual way is to measure the range deviation of the point in axle center and the angular deviation of two axial lines at present, determines the deviation of whole axle thus, and its shortcoming is that the degree of accuracy of measurement of angle is low.
In order to overcome above shortcoming, the utility model provides a kind of device.Following characteristics are arranged:
1, in measurement, need not tear shaft coupling open, in measuring, can measure easily and accurately on long shaft coupling;
2, the utility model, adopting general miniature camera is that general camera and the semiconductor laser diode that present PC generally uses formed, cost is low, is easy to make;
3, adopt general notebook computer or palm PC to be equipped with corresponding software, just can finish the data processing and the adjustment amount and the direction that obtain the equipment fulcrum of measurement:
4, the data acquisition unit that perhaps adopts mouse and semiconductor laser diode to form, the direct output coordinate value of mouse has been simplified the design of software;
5, the utility model adopts two laser tubes and two cameras.Compare with semi-transparent reflective mirror, be easy to adjust; Because present semiconductor laser price is very low, so the utility model adopts two-laser.
Avoided the measurement of two transmission shaft angles.
6, camera is measured the image of hot spot, be not subjected to the influence of spot size resolution, so measuring distance is unrestricted;
7, only measure the distance and position of two points in axle center, needn't measure the angle of diaxon, therefore be easy to measure, therefore not high to the accuracy requirement of instrument;
8, can all adopt the PC general part, cost is low, realizes easily;
9, adopt following mathematical model, as long as being rotated unspecified angle, diaxon just can obtain the value that equipment need be adjusted.
10, the utility model proposes complete mathematics geometric model and formula.Formula is imported the final data that excel can obtain needs.
The technical scheme that its technical matters that solves the utility model adopts is:
1, it is box-packed on axle 1 to form signal with one by a semiconductor camera and semiconductor laser with jig;
2, it is box-packed on axle 2 with jig another to be formed signal by a semiconductor camera and semiconductor laser;
The light that laser instrument on 3, the two signal boxes sends impinges upon respectively on the semiconductor camera on the signal box on the opposite shaft, and the semiconductor camera on the two signal boxes receives the light that the semiconductor laser on the signal box on the opposite shaft sends respectively;
4, two semiconductor cameras are sent to data processor with the signal that receives respectively;
5, data processor is handled the position data that obtains two axle center to the signal that receives, one be the photoreceptor place of the camera on the axle 1 perpendicular to the cross section of axle on the axle center of axle 2 with respect to the coordinate in the axle center of axle 1, another be the photoreceptor place of the camera on the axle 2 perpendicular to the cross section of axle on the axle center of axle 2 with respect to the coordinate in the axle center of axle 1;
6, according to the coordinate of 2 two points of axle, determine the position of the axial line of axle 2, thereby obtain amount and the direction that need adjust at equipment fulcrum place with respect to the axial line of axle 1 with respect to axle 1.
The signal of 7, two cameras is connected with data processor by wired mode or wireless mode.Rotate the diaxon unspecified angle when measuring synchronously, light beam moves at surface of camera head.Camera passes the signal to data processor with the signal that records by wired mode or wireless mode.By mathematics geometric model and software correspondingly, calculate the adjustment amount of equipment.Its basic mathematic model is: the motion track of light beam on camera (5) was a circle when diaxon rotated an angle synchronously, get the coordinate figure of three points on the track, the equation of Xie Yuan must be on the cross section perpendicular to axle at camera (5) place, axle 2 positions with respect to axle 1; In like manner must be on the cross section perpendicular to axle at camera (1) place, axle 2 positions with respect to axle 1.Therefore can determine axle 2 position of axle 1 relatively, thereby calculate amount and the direction that position of the fulcrum need move.
Present wired camera, wireless camera, wired optical mouse, wireless optical mouse are all very general.They each have its interface in the PC communication.Be easy to they are formed the system that a cover has the function that we require with a mobile PC.In order to obtain the measuring equipment of different accuracy, the imaging lens of camera is done different transformations.Remodeling method has routine down several:
1, the imaging len of camera is removed.At this, camera is taken is not image to area source, and he takes is that light beam to area source is a spot pattern at the figure of the intensity distributions of CCD or CMOS surface light.Light beam does not pass through the surface imaging of the lens of common camera at CCD or CMOS, but directly impinges upon the surface of CCD or CMOS, and its image is the image that the light intensity of hot spot on CCD or CMOS surface distributes.Its measuring accuracy height is for example used lower CCD of a resolution or CMOS.Resolution is 640 * 480, is of a size of CCD or the CMOS of 3 * 2mm.mm, and it is 3/640mm=0.0046mm=0.005mm that the minimum hot spot that can differentiate moves.As seen its measuring accuracy is very high.Select the CCD or the CMOS of different resolution as requested for use.We can add a goggles in the front of CCD or CMOS with protection CCD or CMOS photoreceptor.
2, the imaging len of camera is removed.Add one or one group of lens in the front of camera CCD or CMOS, make the image of hot spot on camera amplify.During light beam mobile, therefore moving of the hot spot that camera is taken will improve measuring accuracy greater than the moving of hot spot.Reaching hot spot has less moving, and camera can be measured.
3, the imaging lens of reservation camera adds a shadow shield in its front, and shadow shield has certain transparency, the projection of hot spot on shadow shield, and scioptics are imaging on camera.The distance of shadow shield and camera is adjusted to suitable value, makes the size of hot spot imaging on camera to be amplified to above hot spot.The amount of movement of hot spot on shadow shield can be bigger like this influences moving of camera epigraph.The same also is in order to improve the measuring accuracy of system.
4, when doing camera with optical mouse.Remove imaging lens and shadow shield, light beam directly impinges upon the CCD or the CMOS photoreceptor of mouse, therefore when edge operated by official bodies is on photoreceptor, light intensity a little less than, mouse still can be worked.
5, directly do camera with mouse, its imaging lens is not done transformation.
The utility model is less demanding for the light beam of laser instrument, with lens with beam collimation.Or use fiber optic collimator.Laser is that coloured luminous energy is seen hot spot at the camera place.The angle of laser instrument can be adjusted, and makes hot spot impinge upon on the camera.
Above-mentioned camera will take the photograph image be sent to data processor.Data processor can be special, also can be with mobile PC or palm PC.Mobile PC and palm PC are very general.Camera is data line or the wireless base station apparatus that has by itself with being connected of data processor.Data processor is the coordinate of this image with the some characteristic point coordinates on the image.When to area source when camera moves, image is corresponding to move the corresponding change of its coordinate figure.Image transitions with existing mouse is the software of coordinate figure, will simplify writing of software.
Mouse is a coordinate figure with image transitions directly during as camera with mouse.We do not need to establish in addition the program of a cover Flame Image Process, have simplified program greatly.Present existing mouse resolution can satisfy the requirement of axle centering, is row with the mouse of high-resolution 2500dpi, and its precision is 25.4/2500=0.01mm.Can satisfy most requirement.More high-precision mouse more customized then can satisfy multiple accuracy requirement.
Description of drawings:
Fig. 1, general assembly drawing
Fig. 2, the laser instrument of position adjustable
Fig. 3, the camera photoreceptor Surface Vertical on the process axle 1 is in the section A in axle center.Axle center 1, the projection of axle center 2 on section A.Projection and the movement locus thereof of light beam on the photoreceptor of cross section of axle 2 laser instruments.
Fig. 4, the camera photoreceptor Surface Vertical on the process axle 2 is in the cross section in axle center B.Axle center 1, the projection of axle center 2 on the B of cross section.Projection and the movement locus thereof of light beam on the photoreceptor of cross section of laser instrument on the axle 1.
Fig. 5, axle 1, the perspective view of axle 2 on vertical plane.
Fig. 6, axle 1, the perspective view of axle 2 on surface level.
Below in conjunction with accompanying drawing, be that camera is illustrated with an optical mouse, and provided mathematics geometric model and final computing formula.
Fig. 1
1:(1) be the wireless optical mouse of 2500dpi, (1 ') be that its receiver is connected on the USB mouth of notebook computer.Semiconductor laser diode (2) is contained on the mouse (1).Mouse (1) is contained on the jig (3), and jig (3) is installed on the axle 2.
2:(4) be the wireless optical mouse identical, (4 ') with one be that its receiver is connected on another USB mouth of notebook computer.Semiconductor laser diode (5) is contained on the mouse (4).Mouse (4) is contained on the jig (6), and jig (6) is installed on the axle 1.
3: mouse carries the electric battery of 3V.Laser diode is from the electric battery power taking source certificate of mouse.Two mouses receive the light beam to planar laser respectively.
Fig. 2
4: the two-laser angle is adjusted on both direction, so that impinge upon on the mouse on opposite.As Fig. 2, the shell of laser instrument (8) is formed ball pivot with base (9), adjusts the angle that screw (2) changes laser instrument, is that light beam can shine on the mouse photoreceptor on opposite, lens (4) collimation lens, the power lead (10) of laser diode (7) connects on the power supply of mouse.
5: synchronous 12 one angle of rotation axis, mouse (1), (4) respectively record the coordinate figure of opposite light beam by receptacle (1 '), (4 ') notebook computer.Computer is got the axle that records of two mouses respectively at three coordinate figures of three diverse locations, calculates axle 2 is located relative Monday in the sectional position of two mouses coordinate.Thereby determine axle 2 positions with respect to axle 1.
6: according to equipment provide the axle 2 relative Mondays the relative position requirement, the distance between the installation dimension of equipment and the two mouse photoreceptors.Draw fulcrum C, amount that D need adjust and direction.
Following mathematics geometric model for calculating;
In section A.Fig. 3, the direction from axle 2 toward axle 1, on section A with the intersection point O of axle center one with section A 1aBe initial point, establish a rectangular coordinate YO 1aX, this coordinate do not rotate with axle, are referred to as fixed coordinate system, as Fig. 3; Is initial point O at camera a bit with certain of photoreceptor 3aMake a coordinate system Y 2O 3aX 2, this coordinate system rotates with the axis.If rotate the coordinate system Y on the starting point camera 2O 3aX 2With fixed coordinate system YO 1aThe angle of X is P 1, the unique point of the figure of light beam light beam on camera of laser instrument is the G point on axle 2, it is at camera coordinate system Y 2O 3aX 2On coordinate be (X 0a, Y 0a).Axle clockwise rotates a certain angle, and light beam is (X at the coordinate of camera coordinate system 1a, Y 1a).Turn to a certain angle P again 1, P 1≤ 180 degree, light beam is (X at the coordinate of camera coordinate system 2a, Y 2a), and Y 2O 3aX 2With fixed coordinate system Y 1O 1aX 1Angle be P N0=P 0-P 1With (X 0a, Y 0a), (X 1a, Y 1a), (X 2a, Y 2a) bring in the following geometric reasoning formula.Obtain the axle center O of axle 2 2aWith respect to the axle center of axle 1 coordinate (X in section A a, Y a).
O 4aBe the coordinate system Y of axle 1 on section A 2O 3aX 2On a bit; O 4aSatisfy condition:
G 1aO 4a＝O 2aO 1a，G 1aO 4a//O 2aO 1a。
Y 2O 1aX 3, Y 2O 3aX 2Be two coordinate systems on the axle 1, and rotate with axle 1.
When 12 on axle is both rotation.X 2, X 3, Y 2, O 4a, O 3aMove to X 2 ', X 3 ', Y 2 ', O 4a ', O 3a 'Hot spot is from G 1aMove to G 1a "At coordinate system Y 2O 3aX 2Last hot spot is from G 1a 'Move to G 1a "
O 1aO 4a, O 2aG 1aRespectively with O 1aAnd O 2aFor rotating same angle in the center of circle.Therefore:
O 1aO 4a′//O 2aG 1a″，O 1aO 4a′＝O 2aG 1a″＝＞G 1a″O 4a′＝O 2aO 1a＝G 1a′O 4a′
Must be at coordinate system Y 2O 3aX 2Last G 1aMotion track is with O 4Be initial point, O 1aO 2aGarden for radius.
If: (X a, Y a) be an O 2aAt coordinate system Y 2O 1aX 3Coordinate points=＞O 4aAt Y 2O 3aX 2Coordinate on the coordinate system is (X 0a-X a, Y 0a-Y a)
At coordinate system Y 2O 3aX 2On, G 1aThree point coordinate (X of track 0a, Y 0a), (X 1a, Y 1a), (X 2a, Y 2a) meet following equation of a circle.
(G 1aO 4a)^2＝(O 2aO 1a)^2＝(-X a)^2+(-Y a)^2＝(X 0a-X a-X 1a)^2+(Y 0a-Y a-Y 1a)^2
(G 1aO 4a)^2＝(O 2aO 1a)^2＝(-X a)^2+(-Y a)^2＝(X 0a-X a-X 2a)^2+(Y 0a-Y a-Y 2a)^2
＝＞2*(X 0a-X 1a)*X a+2*(Y 0a-Y 1a)*Y a＝(X 0a-X 1a)^2+(Y 0a-Y 1a)^2
2*(X 0a-X 2a)*X a+2*(Y 0a-Y 2a)*Y a＝(X 0a-X 2a)^2+(Y 0a-Y 2a)^2
＝＞X a＝{(Y 0a-Y 2a)*[(X 0a-X 1a)^2+(Y 0a-Y 1a)^2]-(Y 0a-Y 1a)*[(X 0a-X 2a)^2+(Y 0a-Y 2a)^2]}/{2*[(X 0a-X 1a)*(Y 0a-Y 2a)-(X 0a-X 2a)*(Y 0a-Y 1a)]}
Y a＝{(X 0a-X 1a)*[(X 0a-X 2a)^2+(Y 0a-Y 2a)^2]-(X 0a-X 2a)*[(X 0a-X 1a)^2+(Y 0a-Y 1a)^2]}/{2*[(X 0a-X 1a)*(Y 0a-Y 2a)-(X 0a-X 2a)*(Y 0a-Y 1a)]}
(X a, Y a) be an O 2aAt coordinate system Y 2O 1aX 3Rotate the coordinate of starting point.
(dx a, dy a) be O 2aAt coordinate system YO 1aCoordinate on the X.
P 0Be coordinate system Y 2O 1aX 3Rotating starting point and coordinate system YO 1aThe angle of X.According to the rotational coordinates formula.
: dx a=X a* cos (P 0)-Y a* sin (P 0)
dy a＝X a*sin(P 0)+Y a*cos(P 0)
Calculate next start angle P 0
If: P 1, O 3a" O 4a' with O 3a' O 4a' 1,2 angle in the position.In rotation, make P 1≤ 180 degree.
P 0＝P N0＝P 0-P 1。
Fig. 3 is according to geometrical principle: P 1=F 1At triangle O 4a' G 1a' G 1a" establish an equation under satisfying
(X 2a-X 0a)^2+(Y 2a-Y 0a)^2＝2*(X a^2+Y a^2)-2*(X a^2+Y a^2)cos(P 1)
cos(P 1)＝1-[(X 0a-X 2a)^2+(Y 0a-Y 2a)^2]/[2*(X a^2+Y a^2)]
P 1＝arc{1-[(X 0a-X 2a)^2+(Y 0a-Y 2a)^2]/[2*(X a^2+Y a^2)]}
At cross section B.Fig. 4, the direction from axle 2 toward axle 1, on the B of cross section with the intersection point O of axle center two with the cross section 2bBe initial point, respectively establish an enlightening card coordinate YO 2bX, this coordinate do not rotate with axle, are referred to as fixed coordinate system, as figure three; On camera, be initial point O a bit with certain of photoreceptor 3bMake a coordinate system Y 2O 3bX 2, this coordinate system rotates with the axis, and the X coordinate of this coordinate system is opposite in the X coordinate in the face of photoreceptor, and its Building X scale value is got the negative value of the X reading of photoreceptor.If rotate the coordinate system Y on the starting point camera 2O 3bX 2With fixed coordinate system YO 2bThe angle of X is P 0, the light beam to area source on section A is projected as G at camera bPoint, it is at camera coordinate system Y 2O 3bX 2On coordinate be (X 0b, Y 0b).Axle clockwise rotates a certain angle P 1, light beam is (X at the coordinate of camera coordinate system 1b, Y 1b).Turn to a certain angle P again 1, light beam is (X at the coordinate of camera coordinate system 2b, Y 2b), this moment Y 2O 3bX 2With fixed coordinate system Y 1O 2bX 1Angle be P 0-P 1With (X 0b, Y 0b), (X 1b, Y 1b), (X 2b, Y 2b) bring in the following geometric reasoning formula.Obtain the axle center O of axle 1 1bWith respect to the axle center of axle 2 coordinate (X at cross section B (6) b, Y b).Annotate: (X 0b, Y 0b), (X 1b, Y 1b), (X 2b, Y 2b) be the coordinate readings of light source projection on the photoreceptor of B cross section.
Fig. 4
O 4bBe the coordinate system Y of axle 2 (7) on cross section B (6) 2O 3bX 2On a bit; O 4bSatisfy condition:
G 1bO 4b＝O 2bO 1b，G 1bO 4b//O 2bO 1b。
Y 2O 2bX 3, Y 2O 3bX 2Be two coordinate systems on the axle 1, and rotate with axle 1.
When 12 on axle is both rotation.X 2, X 3, Y 2, O 4b, O 3bMove to X 2', X 3', Y 2', O 4b', O 3b'.Hot spot is from G 1bMove to G 1b".At coordinate system Y 2O 3bX 2Last hot spot is from G 1b' move to G 1b".
O 2bO 4b, O 1bG 1bRespectively with O 2bAnd O 1bFor rotating same angle in the center of circle.Therefore: O 2bO 4b' ∥ O 1bG 1b", O 2bO 4b'=O 1bG 1bThe G of "=＞ 1b" O 4b'=O 2bO 1b=G 1b' O 4b'; G 1b" O 4b' ∥ O 2bO 1b
Then at coordinate system Y 2O 3bX 2Last G 1bMotion track is with O 4bBe initial point, O 1bO 2bGarden for radius.
If: (X b, Y b) be an O 1bAt coordinate system Y 2O 2bX 3Coordinate points=＞O 4bAt Y 2O 3bX 2Coordinate on the coordinate system is (X 0b-X b, Y 0b-Y b)
At coordinate system Y 2O 3bX 2On, G 1bThree point coordinate (X of track 0b, Y 0b), (X 1b, Y 1b), (X 2b, Y 2b) meet following equation of a circle.
(G 1bO 4b)^2＝(O 2bO 1b)^2＝(-X b)^2+(-Y b)^2＝(X 0b-X b-X 1b)^2+(Y 0b-Y b-Y 1b)^2
(G 1bO 4b)^2＝(O 2bO 1b)^2＝(-X b)^2+(-Y b)^2＝(X 0b-X b-X 2b)^2+(Y 0b-Y b-Y 2b)^2
＝＞2*(X 0b-X 1b)*X b+2*(Y 0b-Y 1b)*Y b＝(X 0b-X 1b)^2+(Y 0b-Y 1b)^2
2*(X 0b-X 2b)*X b+2*(Y 0b-Y 2b)*Y b＝(X 0b-X 2b)^2+(Y 0b-Y 2b)^2
＝＞X b＝{(Y 0b-Y 2b)*[(X 0b-X 1b)^2+(Y 0b-Y 1b)^2]-(Y 0b-Y 1b)*[(X 0b-X 2b)^2+(Y 0b-Y 2b)^2]{2*[(X 0b-X 1b)*(Y 0b-Y 2b)-(X 0b-X 2b)*(Y 0b-Y 1b)]}
Y b＝{(X 0b-X 1b)*[(X 0b-X 2b)^2+(Y 0b-Y 2b)^2]-(X 0b-X 2b)*[(X 0b-X 1b)^2+(Y 0b-Y 1b)^2]}/{2*[(X 0b-X 1b)*(Y 0b-Y 2b)-(X 0b-X 2b)*(Y 0b-Y 1b)]}
(X b, Y b) be an O 1bAt coordinate system Y 2O 2bX 3Coordinate points
If: (dx B1, dy B1) be O 1bAt coordinate system YO 2bCoordinate on the X.
P 0Be coordinate system Y 2O 2bX 3With coordinate system YO 2bThe angle of X.According to the rotational coordinates formula.
: dx B1=X b* cos (P 0)-Y b* sin (P 0)
dy b1＝X b*sin(P 0)+Y b*cos(P 0)
If: (dx b, dy b) be O 2bAt coordinate system YO 1Coordinate on the X.
Then: dx b=-dx B1=-X b* cos (P 0)+Y b* sin (P 0)
dy b＝-dy b1＝-X b*sin(P 0)-Y b*cos(P 0)
Fig. 5; Reference axis 2 fulcrums are at the adjusted value of vertical section.
dy 1＝dya-Lya，dy 2＝dy b-Ly b。
Get according to geometrical principle
dy 3＝dy 2+(dy 1-dy 2)*L 2/L 1
dy 4＝dy 2+(dy 1-dy 2)*(L 2+L 3)/L 1
Dy 3, dy 4Be the intersection point O of the axle center of axle 2 at cross section C and cross section D 2cAnd O 2dCoordinate to the Y direction of axle 2 desirable shaft core position.
With fulcrum C, D moves in Y direction respectively-dy 3,-dy 4
Fig. 6; The adjusted value that reference axis 2 fulcrums are gone up in the street in level.
dx 1＝dxa-Lxa，dx 2＝dx b-Lx b。
Get according to geometrical principle
dx 3＝dx 2+(dx 1-dx 2)*L 2/L 1
dx 4＝dx 2+(dx 1-dx 2)*(L 2+L 3)/L 1
Dx 3, dx 4Be the intersection point O of the axle center of axle 2 at cross section C and cross section D 2cAnd O 2dCoordinate to the directions X of axle 2 desirable shaft core position.
With fulcrum C, D moves in X-direction respectively-dx 3,-dx 4
Axle 2 is adjusted for the first time and is finished.
Adjust next time.At this moment, P 0=PN 0=P 0-P 2
P 2＝arc{[1-
(X 2a-X 0a)^2+(Y 2a-Y 0a)^2]/[2*(X a^2+Y a^2)]}
Coordinate (X 0, Y 0) get the coordinate of halt last time or hot spot is adjusted to the coordinate of the center and near the position the center of camera inductor.Obtain dx 3, dx 4, dy 3, dy 4Adjust during when them and to finish, otherwise continue as stated above to adjust less than the error range of equipment requirements.Up to meeting the demands.
Final mathematics formula is:
(X 0a, Y 0a), (X 1a, Y 1a), (X 2a, Y 2a) be respectively the coordinate of three location points of hot spot unique point on the camera on the section A, the data that measure
(X 0b, Y 0b), (X 1b, Y 1b), (X 2b, Y 2b) be respectively the coordinate of three location points of hot spot unique point on the camera on the B of cross section, the data that measure
L 1, L 2, L 3Represent section A and cross section B respectively, cross section B and cross section C, the distance of cross section C and cross section D, equipment is installed and dimensional data
(dx 3，dy 3)，(dx 4，dy 4)。Be illustrated respectively in cross section C, the axle center of the last axle 2 of D is to the coordinate of axle 2 axle center ideal positions.Be the data that finally will obtain.
With (X 0a, Y 0a), (X 1a, Y 1a), (X 2a, Y 2a), (X 0b, Y 0b), (X 1b, Y 1b), (X 2b, Y 2b), L 1, L 2, L 3The following formula of substitution can obtain (dx 3, dy 3), (dx 4, dy 4).
Other value in the following formula is an intermediate variable.
X a＝{(Y 0a-Y 2a)*[(X 0a-X 1a)^2+(Y 0a-Y 1a)^2]-(Y 0a-Y 1a)*[(X 0a-X 2a)^2+(Y 0a-Y 2a)^]}/{2*[(X 0a-X 1a)*(Y 0a-Y 2a)-(X 0a-X 2a)*(Y 0a-Y 1a)]}
Y a＝{(X 0a-X 1a)*[(X 0a-X 2a)^2+(Y 0a-Y 2a)^2]-(X 0a-X 2a)*[(X 0a-X 1a)^2+(Y 0a-Y 1a)^2]}/{2*[(X 0a-X 1a)*(Y 0a-Y 2a)-(X 0a-X 2a)*(Y 0a-Y 1a)]}
dx a＝X a*cos(P 0)-Y a*sin(P 0)
dy a＝X a*sin(P 0)+Y a*cos(P 0)
X b＝{(Y 0b-Y 2b)*[(X 0b-X 1b)^2+(Y 0b-Y 1b)^2]-(Y 0b-Y 1b)*[(X 0b-X 2b)^2+(Y 0b-Y 2b)^2}/{2*[(X 0b-X 1b)*(Y 0b-Y 2b)-(X 0b-X 2b)*(Y 0b-Y 1b)]}
Y b＝{(X 0b-X 1b)*[(X 0b-X 2b)^2+(Y 0b-Y 2b)^2]-(X 0b-X 2b)*[(X 0b-X 1b)^2+(Y 0b-Y 1b)^2]}/{2*[(X 0b-X 1b)*(Y 0b-Y 2b)-(X 0b-X 2b)*(Y 0b-Y 1b)]}
dx b＝-X b*cos(P 0)+Y b*sin(P 0)
dy b＝-X b*sin(P 0)-Y b*cos(P 0)
dy 1＝dya-Lya，
dy 2＝dy b-Ly b。
dy 3＝dy 2+(dy 1-dy 2)*L 2/L 1
dy 4＝dy 2+(dy 1-dy 2)*(L 2+L 3)/L 1
dx 1＝dxa-Lxa，
dx 2＝dx b-Lx b。
dx 3＝dx 2+(dx 1-dx 2)*L 2/L 1
dx 4＝dx 2+(dx 1-dx 2)*(L 2+L 3)/L 1
P 0＝PN 0＝P 0-P 1。
P 1＝arc{1-[(X 2a-X 0a)^2+(Y 2a-Y 0a)^2]/[2*(X a^2+Y a^2)]}

Claims (10)

1. the utility model provides a kind of centering measurement mechanism that is used for the axle of two slewings, it is characterized in that:
A) with jig that a semiconductor camera and a semiconductor laser composition signal is box-packed on axle 1;
B) with jig that another semiconductor camera and a semiconductor laser composition signal is box-packed on axle 2;
C) light that sends of the laser instrument on the two signal boxes impinges upon respectively on the semiconductor camera on the signal box on the opposite shaft, and the semiconductor camera on the two signal boxes receives the light that the semiconductor laser on the signal box on the opposite shaft sends respectively;
D) two semiconductor cameras are sent to data processor with the signal that receives respectively;
E) data processor is handled the signal that receives, obtain the position data in two axle center, one be the photoreceptor place of the camera on the axle 1 perpendicular to the cross section of axle on the axle center of axle 2 with respect to the coordinate in the axle center of axle 1, another be the photoreceptor place of the camera on the axle 2 perpendicular to the cross section of axle on the axle center of axle 2 with respect to the coordinate in the axle center of axle 1;
F), determine the axial line position of axle 2 axial lines, thereby obtain amount and the direction that to adjust at equipment fulcrum place with respect to axle 1 according to the coordinate of 2 two points of axle with respect to axle 1.
2. centralising device according to claim 1, it is characterized in that: the basic mathematic model that data processor adopts is: when diaxon rotates an angle synchronously, the motion track of light beam on camera is a circular arc, get the coordinate figure of three points on the track, the equation of Xie Yuan, obtain respectively on the cross section perpendicular to axle at two semiconductor camera places, the axle center of axle 2 is with respect to the coordinate in the axle center of axle 1; Therefore the axial line that can determine axle 2 is the position of the axial line of axle 1 relatively, thereby calculates amount and the direction that position of the fulcrum need move.
3. centralising device according to claim 1 is characterized in that: with semiconductor CCD camera, the image that camera is recorded is sent to data processor, and a certain unique point of the software analysis hot spot of data processor obtains the coordinate figure of light spot image.
4. centralising device according to claim 1 is characterized in that: use the semiconductor CMOS camera, the image that camera is recorded is sent to data processor, and a certain unique point of the software analysis hot spot of data processor obtains the coordinate figure of light spot image.
5. centralising device according to claim 1 is characterized in that: as camera, the coordinate figure that mouse is recorded is sent to data processor with optical mouse.
6. centralising device according to claim 5 is characterized in that: mouse is made appropriate reconstruction, remove the imaging lens and the shadow shield of mouse.
7. centralising device according to claim 4 is characterized in that: remove the imaging lens of camera, light beam directly impinges upon on the photoreceptor.
8. centralising device according to claim 1 is characterized in that: the position of laser instrument can be adjusted, and the position on the light beam camera over there can be adjusted.
9. centralising device according to claim 1 is characterized in that: data processor is a notebook computer.
10. centralising device according to claim 1 is characterized in that: data processor is a palm PC.
CN 03243876 2003-03-30 2003-03-30 Axes aligning device for rotary equipment Expired - Fee Related CN2615634Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03243876 CN2615634Y (en) 2003-03-30 2003-03-30 Axes aligning device for rotary equipment

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Application Number Priority Date Filing Date Title
CN 03243876 CN2615634Y (en) 2003-03-30 2003-03-30 Axes aligning device for rotary equipment

Publications (1)

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CN 03243876 Expired - Fee Related CN2615634Y (en) 2003-03-30 2003-03-30 Axes aligning device for rotary equipment

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102679851A (en) * 2011-12-20 2012-09-19 上海三一精机有限公司 Simple mechanism for detecting and centering arm frame workpiece and detecting and centering method
CN103486948A (en) * 2013-09-17 2014-01-01 青岛港（集团）有限公司 Butt joint circular tube measurement standard line tension device
CN104132631A (en) * 2013-05-03 2014-11-05 刘书华 Method of using Excel to automatically adjusting axial run-out of bicycle rim
CN105345452A (en) * 2015-11-30 2016-02-24 中国航空工业集团公司沈阳飞机设计研究所 Method and system for disassembling and assembling aircraft engine by laser positioning technology
CN106568383A (en) * 2016-11-15 2017-04-19 长春理工大学 Non-contact large-scale shafting centring method
CN106931928A (en) * 2017-04-06 2017-07-07 佳韩（常州）激光科技有限公司 The detection method of the inside/outside footpath out of roundness of annular machining object
CN106979789A (en) * 2017-05-16 2017-07-25 苏州迅威光电科技有限公司 A kind of apparatus and method of total powerstation support precision Image detection
CN110243312A (en) * 2019-05-09 2019-09-17 上海联影医疗科技有限公司 Rack the coaxial degree measurement, device, method and storage medium
CN111238437A (en) * 2020-03-10 2020-06-05 中烜航空科技(上海)有限公司 Automatic assembly tracking and monitoring equipment for large-scale hole shaft

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102679851A (en) * 2011-12-20 2012-09-19 上海三一精机有限公司 Simple mechanism for detecting and centering arm frame workpiece and detecting and centering method
CN104132631A (en) * 2013-05-03 2014-11-05 刘书华 Method of using Excel to automatically adjusting axial run-out of bicycle rim
CN103486948A (en) * 2013-09-17 2014-01-01 青岛港（集团）有限公司 Butt joint circular tube measurement standard line tension device
CN103486948B (en) * 2013-09-17 2015-10-28 青岛港（集团）有限公司 Docking pipe measurement standard line take-up device
CN105345452A (en) * 2015-11-30 2016-02-24 中国航空工业集团公司沈阳飞机设计研究所 Method and system for disassembling and assembling aircraft engine by laser positioning technology
CN106568383A (en) * 2016-11-15 2017-04-19 长春理工大学 Non-contact large-scale shafting centring method
CN106931928A (en) * 2017-04-06 2017-07-07 佳韩（常州）激光科技有限公司 The detection method of the inside/outside footpath out of roundness of annular machining object
CN106979789A (en) * 2017-05-16 2017-07-25 苏州迅威光电科技有限公司 A kind of apparatus and method of total powerstation support precision Image detection
CN110243312A (en) * 2019-05-09 2019-09-17 上海联影医疗科技有限公司 Rack the coaxial degree measurement, device, method and storage medium
CN110243312B (en) * 2019-05-09 2024-06-18 上海联影医疗科技股份有限公司 Rack coaxiality measurement system, device, method and storage medium
CN111238437A (en) * 2020-03-10 2020-06-05 中烜航空科技(上海)有限公司 Automatic assembly tracking and monitoring equipment for large-scale hole shaft

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