CN205482837U - Rotating machinery is centering dynamic verification device not - Google Patents
Rotating machinery is centering dynamic verification device not Download PDFInfo
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- CN205482837U CN205482837U CN201620094695.9U CN201620094695U CN205482837U CN 205482837 U CN205482837 U CN 205482837U CN 201620094695 U CN201620094695 U CN 201620094695U CN 205482837 U CN205482837 U CN 205482837U
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Abstract
The utility model discloses a rotating machinery is centering dynamic verification device not, detection device are including switch board, testboard, step motor and bottom plate, and wherein the top surface of testboard is equipped with the guide rail, and the lower part of bottom plate is inlayed through the spout and is established on the guide rail, and the bottom plate can be in the enterprising line slip of guide rail, and there is the lead screw lower part of bottom plate through the nut spiro union, the one end of lead screw and step motor's output shaft, and the method of adjustment is: (1 ), whether the inspection installs, (2 ), adjust to suitable position with eddy current sensor, (3 ), " zero " is returned to the bottom plate position, (4 ), gather the signal, (5 ), make orbit of shaft center, (6 ), judge the not degree of centering, (7 ), judge the not type of centering, (8 ), calculate the setting in the XZ, (9 ), calculate the setting in the XY, (10 ), get another point of gathering on the signal and calculate the setting, beneficial effect: can to the rotation axis of different diameters of axle sizes not the centering trouble detect.
Description
Technical field
This utility model relates to a kind of detection device, misaligns device for dynamically detecting particularly to a kind of rotating machinery.
Background technology
Currently, global industry is just moving towards industry 4.0, at intelligence manufacture, precision manufactureing etc. under industrial circle spreads rapidly the background come, the role that rotating machinery performer is important.In the fault of rotating machinery, exceed the 50% of total failare number owing to rotating machinery misaligns the fault caused.Rotating machinery misaligns and can bring problems with: increase the friction of shaft coupling, increases the power suffered by bearing, reduces energy use efficiency, shortens bearing and the service life of whole machine, improves operation cost.Therefore solve to misalign problem to be necessary.
Rotor misalignment typically refers to the adjacent axial line of two rotors and the inclination of bearing axis or degrees of offset.Rotor misalignment can be divided into coupling misalignment and bearing to misalign two classes.Measurement apparatus of the present utility model and method of adjustment are mainly for coupling misalignment.Coupling misalignment can be divided into again following three classes, as shown in Figure 1, belongs to Parallel misalignment: half a coupler axis is parallel to coupling design axis, and two half a coupler centers are the most misaligned；Misalign as in figure 2 it is shown, belong to inclination angle: half a coupler axis and coupling design axis have certain inclination angle, and two half a coupler centers overlap diametrically；Misalign as it is shown on figure 3, belong to parallel rake: half a coupler axis and coupling design axis have certain inclination angle, and two half a coupler centers are the most misaligned.Therefore judge that the adjustment amount in respective direction that misaligns and calculate belonging to that form is the key adjusting shaft coupling centering.
For the solution of coupling misalignment problem, the method that the patent of Application No. 200810227585.5 and 200810227587.4 proposes shaft coupling Parallel misalignment and Turbo-generator Set shaft coupling angle misaligns On-line Fault real-time diagnosis.The method that two patents propose can only accomplish that the monitoring that Parallel misalignment and inclination angle misalign judges, does not provide concrete side-play amount, inclination value or corresponding adjustment amount, and the two patent is all only used for the fault that judges whether to misalign.For existing coupling misalignment detection method deficiency with calculate misalign can the complexity of method of adjustment amount, be difficult to realize.
Summary of the invention
The purpose of this utility model is to misalign problems present in device for dynamically detecting to solve existing rotating machinery, and a kind of rotating machinery provided misaligns device for dynamically detecting.
nullThe rotating machinery that this utility model provides misaligns device for dynamically detecting and includes switch board、Testboard、Motor and base plate，Wherein the end face of testboard is provided with guide rail，The bottom of base plate is embedded on guide rail by chute，Base plate can be in the enterprising line slip of guide rail，The bottom of base plate is bolted with leading screw by nut，One end of leading screw is connected with the output shaft of motor，Motor orders about screw turns by output shaft thus drives base plate slide along testboard end face，The top of base plate is embedded with the first laser displacement sensor，One end of base plate is vertical with base plate is provided with vertical plate，The second laser displacement sensor it is embedded with on vertical plate，Motor is controlled work by switch board，The information of the first laser displacement sensor and the second laser displacement sensor collection can be transferred in switch board，The switch board information to collecting can store、Analyze and display processes.
Leading screw is provided with flexible sheet shaft coupling with the junction of stepper motor output shaft.
Plate top surface is provided with first protruding, and the first projection offers the first groove, and the first laser displacement sensor is embedded in the first groove by the first slide block, and the first laser displacement sensor direction along the first projection can slide in the first groove.
Vertical plate is provided with second protruding, and the second projection offers the second groove, and the second laser displacement sensor is embedded in the second groove by the second slide block, and the second laser displacement sensor direction along the second projection can slide in the second groove.
One end of testboard is additionally provided with the 3rd laser displacement sensor.
The rotating machinery that this utility model provides misaligns the method for adjustment of dynamically detection, and it specifically comprises the following steps that
(1), checking that detection device part installs the most completely, electrical equipment line is the most correct；
(2) suitable position, the i.e. first laser displacement sensor and the second laser displacement sensor, by the first laser displacement sensor and the second laser displacement sensor it are adjusted to apart from the shortest position of rotating shaft surface to be measured；Judging to be by dynamically detecting or Static Detection, dynamically detection carries out step (3), and Static Detection carries out step (11)；
(3) after, " zero " is returned in base plate position, open switch board, start the driving motor of driving shaft, driving shaft and driven shaft is driven to operate with a constant rotational speed, now, the operating being controlled motor by switch board drives leading screw to drive the movement of base plate, base plate moves to extreme position on the left of testboard, it is stipulated that this position is " zero point "；
(4) signal of four positions, is gathered, switch board controls motor and base plate is moved respectively to four positions of driving shaft and driven shaft, when base plate moves to each position, motor stops, after base plate reaches to stablize, record the 3rd laser displacement sensor, the first laser displacement sensor and the signal of the second laser displacement sensor, assume that being parallel to driving shaft axis direction is X-direction, short transverse is Z-direction, the direction being perpendicular to X and Z is Y-direction, and the signal in these four position the 3rd laser displacement sensor collections is respectively x1、x2、x3、x4, it is s respectively that the first laser displacement sensor and the second laser displacement sensor gather signal first position11、s12, the time of collection is t1Second, after place has gathered signal, to restart motor, drive base plate to reach second position, motor stops, and after base plate reaches to stablize, starts to gather the signal s of second position21、s22In like manner, by complete for the signals collecting of the third and fourth position, need exist for ensureing that having gathered the time inner rotary shaft starting to gather at the next position in a upper position have rotated integer circle, be considered as the first laser displacement sensor and the second laser displacement sensor at the signal of driving shaft and four positions collections of driven shaft is " carrying out " simultaneously, in order to not affect certainty of measurement, it is desirable to acquisition time t1S should be respectively after the first laser displacement sensor on base plate is filtered after the signal of these four station acquisition is converted into displacement signal more than the time of driving shaft triple turn11、s21、s31、s41, after the second laser displacement sensor on vertical plate is filtered after the signal of these four station acquisition is converted into displacement signal, it is respectively s12、s22、s32、s42；
(5), making driving shaft and the orbit of shaft center of four positions of driven shaft, by the first laser displacement sensor and the second laser displacement sensor, the signal on these four positions is combined at complex plane, forms complex signal A1=s11+js12, here it is the orbit of shaft center that driving shaft is when first position, the orbit of shaft center of other three positions in like manner can be obtained；
(6), judge the order of severity of coupling misalignment, according to the shape of the orbit of shaft center that step (5) is made, judge shaft coupling centering situation now, centering situation preferably in the case of orbit of shaft center be the ellipse that major and minor axis is more or less the same；When misaligning, orbit of shaft center is banana-shaped；When seriously misaligning, orbit of shaft center is toed-out or interior splayed；
(7), judge the type of coupling misalignment, when occurring misaligning and seriously misaligning, need which kind of coupling misalignment type judgement belongs to, it is judged that standard is according to the phase contrast produced on same direction, shaft coupling both sides, as by signal s21、s31Or s11、s41Carry out fast Fourier transform and obtain phase spectrum to obtain phase contrast, when phase contrast is 0 °, then belong to shaft coupling Parallel misalignment；Then belong to shaft coupling inclination angle when phase contrast is 180 ° to misalign；Phase contrast is then to belong to shaft coupling parallel rake when 0 °～180 ° to misalign；
(8), the adjustment amount in Calculation Plane XZ, it is accomplished by after judging to belong to which type of misaligning calculating the adjustment amount in respective direction, for instructing adjustment to misalign, when adjustment misaligns, with the position of driving shaft as standard, adjust driven shaft, in plane XZ, the signal x gathered with the 3rd laser displacement sensor four positions on driving shaft and driven shaft1、x2、x3、x4For X-direction coordinate, with the first laser displacement sensor on base plate at the first and second two signal s that position gathers11、s21Each cycle in the meansigma methods of maximum respectively plus the radius r of driving shaft1With the signal s gathered in the third and fourth position31、s41The meansigma methods of the value in corresponding moment is respectively plus the radius r of driven shaft2, it is designated as z here1、z2、z3、z4As the coordinate in Z-direction, make a m11、m21、n11、n21, put m11、m21Can determine that straight line l1, slope is k1, put n11、n21Can determine that straight line l2, slope is k2, put n '11、n′21It is and a n11、n21When X-coordinate is identical, at straight line l1On position, slope k1=(z2-z1)/(x2-x1), straight line l1Equation beSlope k2=(z4-z3)/(x4-x3), straight line l2Equation beBy x3、x4Bring straight line l into1Equation, it is possible to obtain a n '11、n′21Coordinate in z-direction, puts n '11Coordinate be (x3, k1(x3-x1)+z1)；Point n '21Coordinate be (x4, k1(x4-x1)+z1), as a n11、n21It is adjusted to a n '11、n′21During position, illustrating that the situation that misaligns of driving shaft and driven shaft is adjusted in plane XZ, adjustment amount in z-direction puts n exactly11、n21With some n '11、n′21Z-direction on the difference of coordinate, be designated as Δ z3、Δz4, wherein Δ z3=k1(x3-x1)+z1-z3, Δ z4=k1(x4-x1)+z1-z4, straight line l1With straight line l2Between angle α=| (k1-k2)/1+k1·k2|；
(9) adjustment amount, in Calculation Plane XY, in plane XY, the signal x gathered with the laser displacement sensor four positions on driving shaft and driven shaft1、x2、x3、x4For X-direction coordinate, with the second laser displacement sensor on vertical plate at the first and second two signal s that position gathers12、s22Each cycle in the meansigma methods of maximum respectively plus the radius r of driving shaft1With the signal s gathered in the third and fourth position32、s42The meansigma methods of the value in corresponding moment is respectively plus the radius r of driven shaft2, it is designated as y here1、y2、y3、y4As the coordinate in Y-direction, make a m12、m22、n12、n22, put m12、m22Can determine that straight line l3, slope is k3, put n12、n22Can determine that straight line l4, slope is k4. some n '12、n′22It is and a n12、n22When X-coordinate is identical, at straight line l3On position, slope k3=(y2-y1)/(x2-x1), straight line l3Equation beSlope k4=(y4-y3)/(x4-x3), straight line l4Linear equation beBy x3、x4Bring straight line l into3Equation, it is possible to obtain a n '12、n′22Coordinate in the Y direction, puts n '12Coordinate be (x3, k3(x3-x1)+y1)；Point n '22Coordinate be (x4, k3(x4-x1)+y1), as a n12、n22It is adjusted to a n '12、n′22During position, illustrating that the situation that misaligns of driving shaft and driven shaft is adjusted in plane XZ, adjustment amount in the Y direction puts n exactly12、n22With some n '12、n′22Y-direction on the difference of coordinate, be designated as Δ y3、Δy4, wherein Δ y3=k3(x3-x1)+y1-y3, Δ y4=k3(x4-x1)+y1-y4, straight line l3With straight line l4Between angle β=| (k3-k4)/1+k3·k4|；
(10), take another point gathered on signal and calculate adjustment amount, more accurate in order to ensure to adjust, here by step (8) with the first and second two the signal s that position gathers on driving shaft and driven shaft of the first laser displacement sensor on base plate11、s22Each cycle in the meansigma methods of maximum respectively plus the radius γ of driving shaft1With the signal s gathered in the third and fourth position31、s41The meansigma methods of the value in corresponding moment is respectively plus the radius γ of driven shaft2Become the signal s that the first and second two positions gather11、s21The meansigma methods of the minima in each cycle is respectively plus the radius γ of driving shaft1With the signal s gathered in the third and fourth position31、s41The meansigma methods of the value in corresponding moment is respectively plus the radius γ of driven shaft2, it is designated as z1、z2、z3、z4As the coordinate in Z-direction, with the first and second two the signal s that position gathers on driving shaft and driven shaft of the second laser displacement sensor on vertical plate in step (9)12、s22Each cycle in the meansigma methods of maximum respectively plus the radius r of driving shaft1With the signal s gathered in the third and fourth position32、s42The meansigma methods of the value in corresponding moment is respectively plus the radius r of driven shaft2Become the signal s that the first and second two positions gather12、s22The meansigma methods of the minima in each cycle is respectively plus the radius r of driving shaft1With the signal s gathered in the third and fourth position32、s42The meansigma methods of the value in corresponding moment is respectively plus the radius r of driven shaft2, it is designated as y1、y2、y3、y4As the coordinate in Y-direction, continue step (8), (9), finally calculate the adjustment amount on Z and Y-direction and be respectively Δ z '3、Δz′4、Δy′3、Δy′4, the most final adjustment amount is: be Δ z in z-direction "3=(Δ z3+Δz′3)/2, Δ z "4=(Δ z4+Δz′4)/2；It is Δ y in the Y direction "3=(Δ y3+Δy′3)/2, Δ y "4=(Δ y4+Δy′4)/2；
(11), for Static Detection, in step (3), need not start the motor of driving shaft, only need manual rotation axle three to enclose when gathering the signal of driving shaft and four positions of driven shaft in step (4) or the more number of turns, next carry out according to the step of dynamically detection.
The beneficial effects of the utility model:
The technical scheme that this utility model provides is capable of the dynamic detection of shaft coupling Shaft alignment state, and the adjustment amount in respective direction can be calculated, coupling misalignment can be played on-line monitoring, early warning and the effect of guidance debugging shaft coupling centering, it is possible to the rotary shaft of different diameter of axle sizes is misaligned fault and detects.Detection device part uses laser displacement sensor to carry out non-contact measurement, thus detected rotary shaft may be at rotation status, can accomplish to misalign coupler of rotating machinery the real-time early warning of fault simultaneously.The measurement time is short, measures process simple.The type of coupling misalignment can not only be judged, but also the adjustment amount in respective direction can be calculated.Signal according to two laser displacement sensor collections obtains orbit of shaft center, judges the order of severity of coupling misalignment, according to shaft coupling both sides equidirectional on signal phase difference judge the type that misaligns.The adjustment amount in respective direction can be calculated according to the signal collected four positions, instruct and adjust misaligning of coupler of rotating machinery.
Accompanying drawing explanation
Fig. 1 is shaft coupling Parallel misalignment schematic diagram.
Fig. 2 is that shaft coupling inclination angle misaligns schematic diagram.
Fig. 3 shaft coupling parallel rake misaligns schematic diagram.
Fig. 4 is detection device overall structure figure described in the utility model.
Fig. 5 is base arrangement schematic diagram in detection device described in the utility model.
Fig. 6 is the specific implementation process flow chart of method of adjustment described in the utility model.
Fig. 7 is the measurement position view of method of adjustment described in the utility model.
Fig. 8 is the Chart of axes track of method of adjustment described in the utility model.
Fig. 9 is that the adjustment amount in the Z-direction of method of adjustment described in the utility model calculates schematic diagram.
Figure 10 is that the adjustment amount in the Y-direction of method of adjustment described in the utility model calculates schematic diagram.
1, switch board 2, testboard 3, motor 4, base plate 5, guide rail
6, chute 7, nut 8, leading screw 9, output shaft the 10, first laser displacement sensor
11, vertical plate the 12, second laser displacement sensor 13, flexible sheet shaft coupling
14, first projection the 15, first groove the 16, first slide block 17, second is protruding
18, second groove the 19, second slide block the 20, the 3rd laser displacement sensor
21, driving shaft 22, driven shaft.
Detailed description of the invention
nullRefer to shown in Fig. 4 and Fig. 5: the rotating machinery that this utility model provides misaligns device for dynamically detecting and includes switch board 1、Testboard 2、Motor 3 and base plate 4，Wherein the end face of testboard 2 is provided with guide rail 5，The bottom of base plate 4 is embedded on guide rail 5 by chute 6，Base plate 4 can be in the enterprising line slip of guide rail 5，Nut 7 is bolted on the centre of two chutes 6 about base plate 4 bottom，Nut 7 is installed togather with leading screw 8，One end of leading screw 8 is connected by flexible sheet shaft coupling 13 with the output shaft 9 of motor 3，Motor 3 orders about leading screw 8 by output shaft 9 and rotates thus drive the base plate 4 guide rail 5 along testboard 2 end face to slide，The top of base plate 4 is embedded with the first laser displacement sensor 10，One end of base plate 4 is vertical with base plate 4 is provided with vertical plate 11，The second laser displacement sensor 12 it is embedded with on vertical plate 11，Motor 3 is controlled work by switch board 1，The information that first laser displacement sensor 10 and the second laser displacement sensor 12 gather can be transferred in switch board 1，The switch board 1 information to collecting can store、Analyze and display processes.
Base plate 4 end face is provided with the first projection 14, the first groove 15 is offered in first projection 14, first laser displacement sensor 10 is embedded in the first groove 15 by the first slide block 16, and the first laser displacement sensor 10 direction along the first projection 14 can slide in the first groove 15.
Vertical plate 11 is provided with the second projection 17, the second groove 18 is offered in second projection 17, second laser displacement sensor 12 is embedded in the second groove 18 by the second slide block 19, and the second laser displacement sensor 12 direction along the second projection 17 can slide in the second groove 18.
One end of testboard 2 is additionally provided with the 3rd laser displacement sensor 20.
The rotating machinery that this utility model provides misaligns the method for adjustment of dynamically detection, and it specifically comprises the following steps that
(1), checking that detection device installs the most completely, electrical equipment line is the most correct；
(2), by the first laser displacement sensor 10 and the second laser displacement sensor 12 being adjusted to suitable position, the i.e. first laser displacement sensor 10 and the second laser displacement sensor 12 are apart from the shortest position of rotating shaft surface；Judging to be by dynamically detecting or Static Detection, dynamically detection carries out step (3), and Static Detection carries out step (11)；
(3), " zero " is returned in base plate 4 position, open switch board 1, start the motor of driving shaft 21, driving shaft 21 and driven shaft 22 is driven to operate with a constant rotational speed, switch board 1 controls the operating of motor 3 and drives leading screw 8 to drive base plate 4 to move, base plate 4 is moved to the left side extreme position of testboard 2, it is stipulated that this position is " zero point "；
(4) signal of four positions, is gathered: refering to Fig. 7, switch board 1 controls motor 3 and base plate 4 is moved respectively to tetra-positions of e, f, g, the h shown in Fig. 7.When base plate 4 moves to each position in these four positions, motor 3 stops, and after base plate 4 reaches to stablize, records the 3rd laser displacement sensor the 20, first laser displacement sensor 10 and the signal of the second laser displacement sensor 12.Assuming that being parallel to driving shaft 21 axis direction is X-direction, short transverse is Z-direction, and the direction being perpendicular to X and Z is Y-direction.The signal gathered at these four position the 3rd laser displacement sensors 20 is respectively x1、x2、x3、x4.It is s respectively that first laser displacement sensor 10 and the second laser displacement sensor 12 gather signal at the e of Fig. 7 position11、s12, the time of collection is t1Second, after place has gathered signal, restart motor 3, driving base plate 4 to reach the position at f, motor 3 stops, after base plate 4 reaches to stablize, record the first laser displacement sensor 10 and signal of the second laser displacement sensor 12 at f, be s respectively21、s22In like manner, by complete for the signals collecting at Fig. 7 position g, h, need exist for ensureing that having gathered the time inner rotary shaft starting to gather at the next position in a upper position have rotated integer circle, be considered as the first laser displacement sensor 10 and the second laser displacement sensor 12 at the signal of driving shaft and four positions collections of driven shaft is " carrying out " simultaneously, in order to not affect certainty of measurement, it is desirable to acquisition time t1More than the time of driving shaft 21 triple turn, the first laser displacement sensor 10 on base plate 4 should be respectively s after the signal (being converted into displacement signal) of these four station acquisition is filtered11、s21、s31、s41, the second laser displacement sensor 12 on vertical plate 11 is respectively s after the signal (being converted into displacement signal) of these four station acquisition is filtered12、s22、s32、s42；
(5) orbit of shaft center of tetra-positions of e, f, g, h, is made.By the first laser displacement sensor 10 and the second laser displacement sensor 12, the signal on these four positions is combined at complex plane, time at position e the most in the figure 7, forms complex signal A1=s11+js12, here it is orbit of shaft center when driving shaft 21 is at the e of Fig. 7 position.In like manner can obtain the orbit of shaft center at Fig. 7 position f, g, h；
(6) order of severity of coupling misalignment, is judged.According to the shape of the orbit of shaft center that step (5) is made, judge shaft coupling centering situation now.As shown in Figure 8, in the case of centering situation is preferable, orbit of shaft center is the ellipse that major and minor axis is more or less the same；When misaligning, orbit of shaft center is banana-shaped；When seriously misaligning, orbit of shaft center is toed-out or interior splayed；
(7), judge the type of coupling misalignment, when occurring misaligning and seriously misaligning, need which kind of coupling misalignment type judgement belongs to.Criterion then can be according to the phase contrast produced on same direction, shaft coupling both sides, as by signal s21、s31Or s11、s41Carry out fast Fourier transform and obtain phase spectrum to obtain phase contrast.Shaft coupling Parallel misalignment is then belonged to when phase contrast is 0 °；Then belong to shaft coupling inclination angle when phase contrast is 180 ° to misalign；Phase contrast is then to belong to shaft coupling parallel rake when 0 °～180 ° to misalign；
(8), the adjustment amount in Calculation Plane XZ, it is judged that be accomplished by after belonging to which type of misaligning calculating the adjustment amount in respective direction, be used for instructing adjustment to misalign.Here misalign with parallel rake and analyze.When adjustment misaligns, with the position of driving shaft 21 as standard, adjust driven shaft 22.As it is shown in figure 9, in plane XZ, the signal x gathered in tetra-positions of Fig. 7 e, f, g, h with the 3rd laser displacement sensor 201、x2、x3、x4For X-direction coordinate, the signal s gathered in Fig. 7 e, f two position with the first laser displacement sensor 10 on base plate 411、s21Each cycle in the meansigma methods of maximum respectively plus the radius r of driving shaft 211With the signal s gathered in g, h position31、s41The meansigma methods of the value in corresponding moment is respectively plus the radius r of driven shaft 222, it is designated as z here1、z2、z3、z4As the coordinate in Z-direction, make a m11、m21、n11、n21, put m11、m21Can determine that straight line l1, slope is k1, put n11、n21Can determine that straight line l2, slope is k2.Point n '11、n′21It is and a n11、n21When X-coordinate is identical, at straight line l1On position.Slope k1=(z2-z1)/(x2-x1), straight line l1Equation beSlope k2=(z4-z3)/(x4-x3), straight line l2Equation beBy x3、x4Bring straight line l into1Equation, it is possible to obtain a n '11、n′21Coordinate in z-direction.Point n '11Coordinate be (x3, k1(x3-x1)+z1)；Point n '21Coordinate be (x4, k1(x4-x1)+z1).As a n11、n21It is adjusted to a n '11、n′21During position, illustrating that the situation that misaligns of driving shaft 21 and driven shaft 22 is adjusted in plane XZ, adjustment amount in z-direction puts n exactly11、n21With some n '11、n′21Z-direction on the difference of coordinate, be designated as Δ z3、Δz4.Wherein Δ z3=k1(x3-x1)+z1-z3, Δ z4 =k1(x4-x1)+z1-z4.Straight line l1With straight line l2Between angle α=| (k1-k2)/1+k1·k2|；
(9), the adjustment amount in Calculation Plane XY.As shown in Figure 10, in plane XY, the signal x gathered in tetra-positions of Fig. 7 e, f, g, h with the 3rd laser displacement sensor 201、x2、x3、x4For X-direction coordinate, the signal s gathered in Fig. 7 e, f two position with the second laser displacement sensor 12 on vertical plate 1112, s22Each cycle in the meansigma methods of maximum respectively plus the radius r of driving shaft 211With the signal S gathered in g, h position32、S42The worth meansigma methods in corresponding moment is respectively plus the radius r of driven shaft 222, it is designated as y here1、y2、y3、y4As the coordinate in Y-direction, make a m12、m22、n12、n22, put m12、m22Can determine that straight line l3, slope is k3, put n12、n22Can determine that straight line l4, slope is k4. some n '12、n′22It is and a n12、n22When X-coordinate is identical, at straight line l3On position.Slope k3=(y2-y1)/(x2-x1), straight line l3Equation beSlope k4=(y4-Y3)/(x4-x3), straight line l4Linear equation beBy x3、x4Bring straight line l into3Equation, it is possible to obtain a n '12、n′22Coordinate in the Y direction.Point n '12Coordinate be (x3, k3(x3-x1)+y1)；Point n '22Coordinate be (x4, k3(x4-x1)+y1).As a n12, n22It is adjusted to a n '12、n′22During position, illustrating that the situation that misaligns of driving shaft 21 and driven shaft 22 is adjusted in plane XZ, adjustment amount in the Y direction puts n exactly12、n22With some n '12、n′22Y-direction on the difference of coordinate, be designated as Δ y3、Δy4.Wherein Δ y3=k3(x3-x1)+y1-y3, Δ y4=k3(x4-x1)+y1-y4.Straight line l3With straight line l4Between angle β=| (k3-k4)/1+k3·k4|。
(10), another some calculating adjustment amount gathered on signal, in order to ensure to adjust more accurately, the signal s that will gather in Fig. 7 e, f two position in step (8) here are taken with the first laser displacement sensor 10 on base plate 411、s21Each cycle in the meansigma methods of maximum respectively plus the radius r of driving shaft 211With the signal S gathered in g, h position31、S41The meansigma methods of the value in corresponding moment is respectively plus the radius r of driven shaft 222Become the signal s that two positions of e, f gather11、s21The meansigma methods of the minima in each cycle is respectively plus the radius r of driving shaft 211With the signal s gathered in g, h position31、s41The meansigma methods of the value in corresponding moment is respectively plus the radius r of driven shaft 222, it is designated as z1、z2、z3、z4As the coordinate in Z-direction, the signal s gathered in Fig. 7 e, f two position with the second laser displacement sensor 12 on vertical plate 11 in step (9)12、s22Each cycle in the meansigma methods of maximum respectively plus the radius r of driving shaft 211With the signal S gathered in g, h position32、S42The meansigma methods of the value in corresponding moment is respectively plus the radius r of driven shaft 222Become the signal s that two positions of e, f gather12、s22The meansigma methods of the minima in each cycle is respectively plus the radius r of driving shaft 211With the signal s gathered in g, h position32、s42The meansigma methods of the value in corresponding moment is respectively plus the radius r of driven shaft 222, it is designated as y1、y2、y3、y4As the coordinate in Y-direction, continue step (8), (9), finally calculate the adjustment amount on Z and Y-direction and be respectively
Δz′3、Δz′4、Δy′3、Δy′4.The most final adjustment amount is: be Δ z in z-direction "3=(Δ z3+Δz′3)/2, Δ z "4=(Δ z4+Δz′4)/2；It is Δ y in the Y direction "3=(Δ y3+Δy′3)/2, Δ y "4=(Δ y4+Δy′4)/2。
(11), for Static Detection, in step (3), need not start the motor of driving shaft 21, in step
Only need manual rotation axle three to enclose when (4) gather the signal of tetra-positions of Fig. 7 suddenly or the more number of turns, next carry out according to the step of dynamically detection.
Claims (4)
1. a rotating machinery misaligns device for dynamically detecting, it is characterised in that: include switch board, test
Platform, motor and base plate, wherein the end face of testboard is provided with guide rail, and the bottom of base plate is embedded by chute
On guide rail, base plate can be bolted with leading screw, silk in the enterprising line slip of guide rail, the bottom of base plate by nut
One end of thick stick is connected with the output shaft of motor, and motor orders about screw turns by output shaft thus carries
Dynamic base plate slide along testboard end face, the top of base plate is embedded with the first laser displacement sensor,
One end of base plate is vertical with base plate is provided with vertical plate, and vertical plate is embedded with the second laser displacement sensor, step
Entering motor and controlled work by switch board, the first laser displacement sensor and the second laser displacement sensor gather
Information can be transferred in switch board, and the switch board information to collecting can store, analyzes and show
Process.
A kind of rotating machinery the most according to claim 1 misaligns device for dynamically detecting, it is characterised in that:
Described plate top surface is provided with the first projection, and the first projection offers the first groove, and the first laser displacement passes
Sensor is embedded in the first groove by the first slide block, and the first laser displacement sensor can be in the first groove
Slide along the first protrusion direction.
A kind of rotating machinery the most according to claim 1 misaligns device for dynamically detecting, it is characterised in that:
Described vertical plate is provided with the second projection, and the second projection offers the second groove, and the second laser displacement passes
Sensor is embedded in the second groove by the second slide block, and the second laser displacement sensor can be in the second groove
Slide along the second protrusion direction.
A kind of rotating machinery the most according to claim 1 misaligns device for dynamically detecting, it is characterised in that:
One end of described testboard is additionally provided with the 3rd laser displacement sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620094695.9U CN205482837U (en) | 2016-01-30 | 2016-01-30 | Rotating machinery is centering dynamic verification device not |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620094695.9U CN205482837U (en) | 2016-01-30 | 2016-01-30 | Rotating machinery is centering dynamic verification device not |
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| Publication Number | Publication Date |
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| CN205482837U true CN205482837U (en) | 2016-08-17 |
Family
ID=56672625
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| CN201620094695.9U Expired - Fee Related CN205482837U (en) | 2016-01-30 | 2016-01-30 | Rotating machinery is centering dynamic verification device not |
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| CN (1) | CN205482837U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571531A (en) * | 2016-01-30 | 2016-05-11 | 吉林大学 | Dynamic detecting device and adjusting method for misalignment of rotating machine |
| CN107088789A (en) * | 2017-06-26 | 2017-08-25 | 东北大学 | Numerical control machine spindle axis trajectory measurement device based on optical-fiber laser vialog |
| CN108097976A (en) * | 2017-12-21 | 2018-06-01 | 西安欧中材料科技有限公司 | A kind of easy device and method of the bar shake of dynamic measurement rotation electrode |
| CN110196029A (en) * | 2019-05-14 | 2019-09-03 | 沈阳鼓风机集团安装检修配件有限公司 | The generation method and system of shaft core position information |
| CN110553844A (en) * | 2019-07-24 | 2019-12-10 | 西安交通大学 | Method and system for detecting misalignment fault of rotary machine |
| RU205506U1 (en) * | 2021-02-08 | 2021-07-19 | Общество с ограниченной ответственностью «Микролазер» (ООО «Микролазер») | Precision movement device |
-
2016
- 2016-01-30 CN CN201620094695.9U patent/CN205482837U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571531A (en) * | 2016-01-30 | 2016-05-11 | 吉林大学 | Dynamic detecting device and adjusting method for misalignment of rotating machine |
| CN105571531B (en) * | 2016-01-30 | 2018-11-02 | 吉林大学 | A kind of rotating machinery misaligns device for dynamically detecting and method of adjustment |
| CN107088789A (en) * | 2017-06-26 | 2017-08-25 | 东北大学 | Numerical control machine spindle axis trajectory measurement device based on optical-fiber laser vialog |
| CN107088789B (en) * | 2017-06-26 | 2019-01-22 | 东北大学 | Numerical control machine spindle axis trajectory measurement device based on optical-fiber laser vialog |
| CN108097976A (en) * | 2017-12-21 | 2018-06-01 | 西安欧中材料科技有限公司 | A kind of easy device and method of the bar shake of dynamic measurement rotation electrode |
| CN108097976B (en) * | 2017-12-21 | 2020-12-08 | 西安欧中材料科技有限公司 | Simple device and method for dynamically measuring bar shaking of rotary electrode |
| CN110196029A (en) * | 2019-05-14 | 2019-09-03 | 沈阳鼓风机集团安装检修配件有限公司 | The generation method and system of shaft core position information |
| CN110553844A (en) * | 2019-07-24 | 2019-12-10 | 西安交通大学 | Method and system for detecting misalignment fault of rotary machine |
| RU205506U1 (en) * | 2021-02-08 | 2021-07-19 | Общество с ограниченной ответственностью «Микролазер» (ООО «Микролазер») | Precision movement device |
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Granted publication date: 20160817 Termination date: 20190130 |