CN206638167U - Large apertures system laser centring device - Google Patents
Large apertures system laser centring device Download PDFInfo
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- CN206638167U CN206638167U CN201720258613.4U CN201720258613U CN206638167U CN 206638167 U CN206638167 U CN 206638167U CN 201720258613 U CN201720258613 U CN 201720258613U CN 206638167 U CN206638167 U CN 206638167U
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Abstract
The utility model discloses large apertures system laser centring device, belongs to large apertures system centralising device.By center of circle detection means, inclination angle micromotion platform, laser aid, grand hydrodynamic pressure hoistable platform, X, Y micromotion platforms form, center of circle detection means is placed on inside the system of hole, and each pin Zhi Yukong systems inwall is tangent, inclination angle micromotion platform is embedded in the inclination angle groove of center of circle detection means upper surface, grand hydrodynamic pressure hoistable platform is fixed by screws in inclination angle micromotion platform upper surface, X, Y micromotion platforms are fixed by screws in grand hydrodynamic pressure hoistable platform upper surface, laser aid is placed on X, Y micromotion platforms center, mainly solves the error that detection bar and its rotational band are come in conventional laser centring device, and the inconvenience of regulation excitation device height manually, make accuracy of alignment higher, operation is easier.
Description
Technical field
The utility model belongs to large apertures system centering field, espespecially a kind of large apertures system laser alignment.
Background technology
With the development of science and technology heavy industry also begins to fast development, such as nuclear power, ship, military project etc..But in these rows
Also many problems are faced with while industry fast development, subject matter is that the unit of these industries is sent out towards the direction of large volume
Exhibition, and these mechanisms are all to be typically larger than 5m by shafting passing power, the propeller shaft length of Large-scale machine set mostly, diameter is more than
500mm, such as steam turbine, hydraulic turbine unit, these shaft system of unit include many porous series, are by these accurate centerings of large apertures system
One more complicated and time-consuming work, large-sized mechanical components installation difficulty are the central datum line for establishing long span, especially
It is even more important when multiple holes carry out Alignment measuring, if these large apertures systems do not have precise alignment, then this is with regard to direct
The accuracy of alignment of power transmission shaft is influenceed, and then it can be made to produce the life-span of sharp pounding infringement unit in running at high speed, so
The centering of large apertures system is particularly important.
The centralising device of existing hole device to hole, which mainly has, draws steel wire centralising device, upper dummy shaft centering apparatus, telescope centering
Device and laser centralising device, wherein it is by the use of standard steel wire as measuring line, at hole system both ends to draw steel centralising device
A steel wire parallel to testee is fixed at the center in face, and steel wire is adjusted into coaxial with datum hole, surveyed with special measuring tool
The gap of dimension silk and other hole internal diameters, in long range measurements the deadweight of steel wire can cause the sagging in addition artificial reading of steel wire all
Error, and complex operation can be brought；Upper dummy shaft centralising device is by the use of dummy shaft as measuring line, instead of true rotor to axle
Bearing carries out centering, in the case where accuracy of alignment is less demanding, recognizes if dummy shaft can be passed freely through smoothly from tested aperture
It is set to centering, it is necessary to which dummy shaft is put into tested aperture in the case that accuracy of alignment requires high, recycling is fixed on dial framework
Dial gauge measure, the not high complex operation of this method measurement accuracy, the machined parameters of dummy shaft are required higher and cost compared with
It is high；Telescope centralising device is by the use of the optical axis of the Instrument assembly such as collimating telescope or collimator as measuring line, will be surveyed
Measure at light target centering alignment to the kernel of section of each measured hole, the error of light target center and optical axis center observed with telescope,
Method is directed at using optical visual, but because measurement distance increase can cause image blur, big visual subjective error, by telescope
Deadweight and the influence of telescope holder make centering produce larger error；It is the widest with laser alignment instrument use in laser centring device
It is general, wherein German general Shandong spoke laser alignment instrument is more ripe, but carries out line-of-sight course hole system axes measuring using being rotated with detection bar,
And using manual method adjustment laser aid position, these can all bring larger error to centering.
The shortcomings that based on present in apparatus above, it is badly in need of a kind of easy to operate, accuracy of alignment height, the centering of low manufacture cost
Device.
The content of the invention
Large apertures system laser centring device, it is characterised in that described large apertures system laser centring device is specifically by the center of circle
Detection means, inclination angle micromotion platform, laser aid, grand hydrodynamic pressure hoistable platform, X, Y micromotion platform composition, center of circle detection means
Inside the system of hole, hole system bottom is placed on, inclination angle micromotion platform is embedded in the inclination angle groove of center of circle detection means upper surface,
Grand hydrodynamic pressure hoistable platform is fastenedly connected with inclination angle micromotion platform by screw, is placed on above the micromotion platform of inclination angle, X, Y fine motion
Platform is fixed by screws in grand hydrodynamic pressure hoistable platform upper surface, and laser aid is placed on X, Y micromotion platform center.
Described center of circle detection means is by base, cylindrical pin branch I, cylindrical pin branch II, telescopic arm, displacement transducer group
Into displacement transducer is by a1 displacement transducers, a2 displacement transducers, a3 displacement transducers, a4 displacement transducers, a5 displacement sensings
Device and a6 displacement transducers composition, base lower surface corner are fitted with the cylindrical pin branch I tangent with hole system inwall, upper surface
Provided with inclination angle groove, groove center is provided with oscillating bearing, and corner is provided with piezoelectricity fixing groove, and telescopic arm is by fixed arm and cantilever arm
Composition, each fixed arm of a pair of telescopic arms are symmetrically fixed on base both sides by rotating shaft, and each cantilever arm head end is connected with cylinder
Pin branch II, I outer surface of cylindrical pin branch, which is respectively embedded into, is provided with coaxial a2 displacement transducers, a3 displacement transducers, a5 positions
Displacement sensor and a6 displacement transducers, cylindrical pin branch II are only provided with a1 displacements towards the insertion of the side surface of generating laser one
Sensor, a4 displacement transducers.
Described large apertures system laser centring device, it is characterised in that described inclination angle micromotion platform is made pottery by inclination angle piezoelectricity
Porcelain, ball-type support column, inclination angle gripper shoe groups are into four inclination angle piezoelectric ceramics are embedded in piezoelectricity fixing groove, ball-type support column
Directly it is fixedly connected by epoxide-resin glue with inclination angle piezoelectric ceramics, the oscillating bearing that inclination angle supporting plate passes through center of circle detection means
It is connected thereto, inclination angle support plate upper surface both ends are respectively provided with a counterbore, and the round boss of identical bore is had on counterbore.
Described large apertures system laser centring device, it is characterised in that described grand hydrodynamic pressure hoistable platform is filled by hydraulic pressure
Put, interchangeable support bar, polished rod, grand dynamic gripper shoe groups are into hydraulic means is made up of cylinder barrel, piston rod, and cylinder barrel is fixed by screw
In the supporting plate of inclination angle, piston rod is assemblied in cylinder barrel, and interchangeable support bar is connected with piston rod by screw threads for fastening, and polished rod passes through
The counterbore of inclination angle supporting plate is fixed, and can exchange polished rod and interchangeable support bar specification, grand dynamic supporting plate according to hole system internal diameter size
Upper surface is provided with the through hole of spacing identical with inclination angle supporting plate, and polished rod is fixed by through hole and by grand dynamic supporting plate, then by can
Changing they sup-port coordinates hydraulic means to control its lifting, and grand dynamic support plate upper surface is additionally provided with two ball grooves, two rows rolling
Pearl is embedded in two ball grooves.
Described large apertures system laser centring device, it is characterised in that described X, Y micromotion platform is filled by Piezoelectric Driving
Put, self-locking device, lifting apparatus, fine motion base, resetting means composition, fine motion base is from firm banking and X to fine motion base group
Into the equal l-shaped of two bases, X is provided with T-shaped groove to fine motion base vertical plane, and lateral surfaces are provided with short T rows groove, short T-shaped
Groove lower surface is provided with permanent magnetism ferropexy counterbore I, and X is provided with Y-direction chute to fine motion base lower end both sides inner face, and firm banking erects
Face directly and be provided with I-shaped groove, I-shaped groove bottom is provided with electromagnetism ferropexy counterbore, and firm banking is provided with two slips
Groove, four self-locking devices are symmetrically fixed on X by screw into fine motion bottom and firm banking, and one of them is fixed on T-shaped recessed
In groove, one be fixed in short T-shaped groove, two other is fixed in I-shaped groove, Piexoelectric actuator upper end and self-locking
Device is bonded, and lower end is connected with lifting apparatus, and lifting apparatus is arranged on X to fine motion base lateral surfaces and the short T of lateral surfaces
On type groove, resetting means is arranged between short T-shaped groove and lifting apparatus.
Described X, Y micromotion platform, it is characterised in that described lifting apparatus is by lifting base, lifting voussoir, fixed wedge
Block is formed, and lifting base is placed in short T-shaped groove, and the side end face of lifting base one is provided with inclined-plane, and lifting base upper surface has two
Individual screwed hole, lifting voussoir is in halfpace type, and upper surface is provided with two support arm grooves, and support arm groove lower surface is provided with screw thread
Hole, lifting voussoir and lifting base are fixed by screw, fixed voussoir is in straight triangular prism type, and it is fixed by screws in X
To in fine motion base lateral surfaces, fixed voussoir and lifting voussoir bevel angle are 45 °.
Described X, Y micromotion platform, it is characterised in that described Piexoelectric actuator drives piezoelectricity by piezoelectric support plate
Ceramics, straight round flexible hinge, lower support block, support arm composition, piezoelectric support plate are placed on I-shaped groove and T-shaped groove
It is interior, and its upper surface both ends is provided with inclined-plane, the lower surface that driving piezoelectric ceramics one end passes through epoxide-resin glue and piezoelectric support plate
Fitting, the other end are bonded by epoxide-resin glue with straight round flexible hinge end face, under straight round flexible hinge lower end connection
Support block, lower support block are made up of support block I and support block II, and the upper surface of support block I is provided with two brace grooves I, support block
II is provided with two identical brace grooves II with support block I, and both sides are additionally provided with two and trapezoidal are provided with two from lock crossbeam, lower surface
Individual permanent magnetism ferropexy counterbore II, support block I are placed on X on fine motion base, and support block II is placed on firm banking, support arm
It is made up of support arm I and support arm II, the one end of support arm I is fixed in brace groove I by rotating shaft, and the other end is consolidated by rotating shaft
It is scheduled in two brace grooves, the one end of support arm II is fixed in brace groove II by rotating shaft, and the other end is fixed by rotating shaft
In X on fine motion base.
Described X, Y micromotion platform, it is characterised in that described self-locking device by self-locking device I, self-locking device II, from
Locking device III and self-locking device IV form, and self-locking device I is by self-locking block, permanent magnet, electromagnet, electromagnet base, permanent magnet bottom
Seat composition, self-locking block one end is provided with inclined-plane, fitted with piezoelectric support plate to produce self-locking effect, permanent magnet base passes through screw
Be fixed on self-locking block, permanent magnet is embedded on permanent magnet base, electromagnet base be fixed by screws in firm banking and X to
On fine motion base, electromagnet is welded on coaxial with permanent magnet on electromagnet base, self-locking device II, self-locking device III and self-locking dress
IV structure is put with self-locking device I.
Described X, Y micromotion platform, it is characterised in that described resetting means is resetted electromagnet, resetted by reset base
Permanent magnet group is into reset permanent magnet is made up of reset permanent magnet I and reset permanent magnet II, is resetted permanent magnet I and is embedded in permanent magnet
In fixed counterbore I, reset permanent magnet II and be embedded in permanent magnetism ferropexy counterbore II, reset base and be fixed by screws in lifting bottom
Seat surface is resetted on base on the side end face of firm banking, resetting electromagnet I and be embedded in, and is resetted electromagnet II and is embedded in electromagnet
In fixed counterbore, reset electromagnet and adjacent reduction permanent magnet is coaxial.
Described a kind of large apertures system laser centring device, it is characterised in that described laser aid is by laser barrel, laser
Transmitter, laser pickoff, laser displacement sensor composition, laser barrel are made up of laser barrel I and laser barrel II, generating laser
In laser barrel I, laser pickoff is arranged in laser barrel II, and the front/rear end of laser barrel is respectively inlaid with a laser position
Displacement sensor, and ensure that the laser displacement sensor on same laser barrel is coaxial, laser barrel front/rear end respectively has Y-direction guide rail.
Brief description of the drawings
Fig. 1 apparatus structure schematic diagrams of the present utility model；
The structural representation of Fig. 2 the utility model center of circle detection means；
Fig. 3 the utility model inclination angle micromotion platform schematic diagram；
The grand hydrodynamic pressure lifting platform schematic diagram of Fig. 4 the utility model；
Fig. 5 the utility model laser aid schematic diagrames；
Fig. 6 the utility model laser aid sectional views；
Fig. 7 the utility model X, Y micromotion platform schematic diagrames；
Fig. 8 the utility model firm banking schematic diagrames；
Fig. 9 the utility model X is to fine motion base schematic diagram；
Figure 10 the utility model X is to fine motion base sectional view；
Figure 11 the utility model Piexoelectric actuator schematic diagrames；
Figure 12 the utility model self-locking device schematic diagrames；
Figure 13 the utility model lifting apparatus schematic diagrames；
Figure 14 the utility model resetting means schematic diagrames.
Description of reference numerals：1- centers of circle detection means, 101- cylinders pin branch I, 102- cylinders pin prop up II, 103- and stretched
Arm, 103a- cantilever arms, 103b- fixed arms, 104- displacement transducers, 104a-a1 displacement transducers, 104b-a2 displacement sensings
Device, 104c-a3 displacement transducers, 104d-a4 displacement transducers, 104e-a5 displacement transducers, 104f-a6 displacement transducers,
105- bases, 105a- inclination angles groove, 105b- piezoelectricity fixing grooves, 106- oscillating bearings, 107- inclination angles groove, 108- piezoelectricity are fixed
Groove, 2- inclination angles micromotion platform, 201- inclination angles piezoelectric ceramics, 202- spherical support posts, 203- inclination angles supporting plate, 203a- polished rods are consolidated
Determine counterbore, 203b- annular boss, the grand hydrodynamic pressure hoistable platforms of 3-, 301- hydraulic means, 301a- cylinder barrels, 301b- piston rods,
The grand dynamic supporting plates of 302-, 302a- ball grooves, 302b- balls, 303- polished rods, the interchangeable support bars of 304-, 4-X, Y micromotion platform,
401- Piexoelectric actuators, 401a- piezoelectric support plates, 401b- driving piezoelectric ceramics, 401c- directly round flexible hinges, 401d-
Lower support block, 401d1- support block I, 401d2- support block II, 401d3- brace groove I, 401d4- brace groove II, 401d5- from
Lock crossbeam, 401d6- permanent magnet fixed groove II, 401e- support arms, 401e1- support arm I, 401e2- support arm II, 402- is certainly
Locking device, 402a- self-locking devices I, 402b- self-locking devices II, 402c- self-locking devices III, 402d- self-locking devices IV, 402a1-
Self-locking block, 402a2- permanent magnet, 402a3- electromagnet, 402a4- electromagnet base, 402a5- permanent magnet base, 403- liftings dress
Put, 403a- lifting bases, 403b- lifting voussoirs, 403b1- support arm groove, 403c- fix voussoir, 403c1- voussoir is fixed heavy
Hole, 404- fine motion bases, 404a- firm bankings, 404b-X is to fine motion base, 404b1- T-shaped groove, 404b2- short T-shaped groove,
404a1- I-shaped groove, 404a2- sliding recess, 404b3- permanent magnetism ferropexy counterbore I, 404b4- Y-direction chute, 404b5- slide rail,
404a3- electromagnetism ferropexy counterbore, 405- resetting means, 405a- reset base, and 405b- resets electromagnet, 405b1- reset electromagnetism
Iron I, 405b2- electromagnet II is resetted, 405c- resets permanent magnet, 405c1- reset permanent magnet I, 405c2- reset permanent magnet II, 5-
Laser system, 501- laser barrels, 501a- laser barrels I, 501a- laser barrels II, 501c-Y direction guiding rails, 502- generating lasers,
503- laser pickoffs, 504- laser displacement sensors.
Embodiment
The utility model device is described in further detail with reference to accompanying drawing, it is as follows：
The device inclination angle micromotion platform 2, grand hydrodynamic pressure hoistable platform 3, X, Y micromotion platform 4, is swashed by center of circle detection means 1
Electro-optical device 5 forms, individually below from overall structure, center of circle detection means 1, and inclination angle micromotion platform 2, grand hydrodynamic pressure hoistable platform 3,
X, Y micromotion platforms 4, laser aid 5 are described in detail.
As the overall structure of the large apertures system laser centring device shown in figure one, specifically by center of circle detection means 1, inclination angle is micro-
Moving platform 2, laser aid 5, grand hydrodynamic pressure hoistable platform 3, X, Y micromotion platform 4 form, center of circle detection means 1 and hole system inwall
It is tangent, hole system bottom is placed on, inclination angle micromotion platform 2 is embedded in the inclination angle groove 105a of center of circle detection means 1, grand hydrodynamic pressure
Hoistable platform 3 is parallel with inclination angle micromotion platform 2, and the top of inclination angle micromotion platform 2 is fastened on by screw, X, Y micromotion platform 4 with it is grand
Hydrodynamic pressure hoistable platform 3 is fastenedly connected by screw, and laser aid 5 is placed on X, Y micromotion platform center.
Center of circle detection means 1 as shown in Figure 2, I 101 specifically are propped up by cylindrical pin, cylindrical pin props up II 102, telescopic arm
103, displacement transducer 104, base 105 forms, and displacement transducer 104 is by a1 displacement transducer 104a, a2 displacement transducers
104b, a3 displacement transducer 104c, a4 displacement transducer 104d, a5 displacement transducer 104e and a6 displacement transducer 104f groups
Into matching sizeable interchangeable support bar 304 according to the internal diameter size of hole system, laser aid 5 then be placed on into two holes
In system, make that each circular pin Zhi Yukong systems inwall of center of circle detection means 1 is tangent, and the lower surface corner of base 105 is fitted with and hole
It is the tangent cylindrical pin branch I 101 of inwall, upper surface is provided with inclination angle groove 107, and the center of inclination angle groove 107 is provided with joint shaft
106 are held, to connect center of circle detection means 1 and inclination angle micromotion platform 2, telescopic arm 103 is by fixed arm 103a and cantilever arm 103b
Composition, each fixed arm 103a of a pair of telescopic arms 103 are symmetrically fixed on the both sides of base 105 by rotating shaft, and each cantilever arm 103b is first
End is connected with a cylindrical pin branch II 102, and ensures cylindrical pin branch I 101 and cylindrical pin branch II 102 towards laser pickoff
At grade, cylindrical pin props up I 101 outer surfaces and is respectively embedded into coaxial a2 displacement transducers for the end face in 503 directions
104b, a3 displacement transducer 104c, a5 displacement transducer 104e and a6 displacement transducer 104f, cylindrical pin branch II 102 only have
It is respectively embedded into towards the side surface of laser beam emitting device 5 one and a1 displacement transducer 104a and a4 displacement transducer 104d is installed, is stretched
The effect of contracting arm 103 is the distance between the cylindrical pin branch I 101 of adjustment and cylinder II 102.
As the inclination angle micromotion platform 2 shown in figure three, specifically by inclination angle piezoelectric ceramics 201, ball-type support column 202, inclination angle branch
Fagging 203 forms, and after the completion of the work of center of circle detection means 1, the groundwork of inclination angle micromotion platform 2 is adjustment inclination angle supporting plate
203 and the space angle of miscellaneous part, four inclination angle piezoelectric ceramics 201 be distributed in piezoelectricity fixing groove 105b.Ball-type support column
202 are directly fixedly connected by epoxide-resin glue with inclination angle piezoelectric ceramics 201, and inclination angle supporting plate 203 passes through center of circle detection means 1
Oscillating bearing 106 be connected thereto, its upper surface both ends is respectively provided with polished rod and fixes counterbore 203a, and polished rod fixes counterbore 203a
On have the annular boss 203b of same apertures to fixed polished rod 303, be evenly equipped with four screw threads at the center of inclination angle supporting plate 203
Hole, acted on for being connected with grand hydrodynamic pressure hoistable platform 3, while four inclination angle piezoelectric ceramics 201 and ball-type support column 202,
Micro- rotation of the inclination angle supporting plate 204 around center of circle detection means upper joint bearing 106 is realized, and then with angle of dynamical inclination supporting plate 204
Inclination maneuver is realized in the micro- rotation of superstructure, specifically when large laser centralising device is under non-working condition, inclination angle piezoelectricity
Ceramics 201 are not powered in former length, and inclination angle supporting plate 203 does not contact with four inclination angle piezoelectric ceramics 201 simultaneously, to inclination angle piezoelectricity
Ceramics 201 are powered, and are extended four inclination angle piezoelectricity 201 and are contacted simultaneously with inclination angle supporting plate 203, give four inclination angle pressures
The different electric signal of electroceramics 201, expansion fit in phase while can keeping contacting with inclination angle supporting plate 203, so as to
Band angle of dynamical inclination supporting plate 203 and other assemblies realize micro- rotation.
As the grand hydrodynamic pressure hoistable platform 3 shown in figure four, specifically by hydraulic means 301, grand dynamic supporting plate 302, polished rod
303, interchangeable support bar 304 forms, specifically, hydraulic means 301 is made up of cylinder barrel 301a, piston rod 301b, it is predominantly grand dynamic
Hydraulic elevating platform 3 provides power, and plays a supporting role, and cylinder barrel 301a is fixed on inclination angle supporting plate 203 by four screws
Center at, piston rod 301b is assemblied in cylinder barrel 301a, and interchangeable support bar 304 is connected through a screw thread with piston rod 301b, root
The specification that interchangeable support bar 304 is selected before the system of hole is put into large apertures system laser centring device according to the size of hole system diameter, so as to
Enable the stroke of grand hydrodynamic pressure device 3 X, Y micromotion platform 4 is reached in normal work stroke, polished rod 303 passes through inclination angle supporting plate
Polished rod on 203 is fixed counterbore 203a and annular boss 203b and fixed jointly, and can exchange polished rod according to hole system internal diameter size
303 specifications, the grand dynamic upper surface of supporting plate 302 are provided with the through hole with 203 identical spacing of inclination angle supporting plate, and polished rod 303 is by wherein
And fix grand dynamic supporting plate 302, then supported by interchangeable support bar 304 and coordinate hydraulic means 301 to control it along polished rod 303
It is axially moved.
As the laser aid 5 shown in figure five, figure six, specifically by laser barrel 501, generating laser 502, laser pickoff
503, laser displacement sensor 504 is formed, and laser barrel 501 is made up of the 501a of laser barrel I and the 501b of laser barrel II, generating laser
502 be arranged on the 501a of laser barrel I in, laser pickoff 503 be arranged on the 501b of laser barrel II in, laser barrel 501 vertically before
Rear end face is respectively inlaid with a laser displacement sensor 504, for positioning laser aid 5, and ensures on same laser barrel 501
Laser displacement sensor 504 is coaxial, and the front/rear end of laser barrel 501 respectively has Y-direction guide rail 501c.
X, Y micromotion platform 4 as shown in figure seven, figure eight, figure nine, figure ten, figure 11, figure 12, figure 13, figure 14,
Specifically by Piexoelectric actuator 401, self-locking device, 402, lifting apparatus 403, fine motion base 404, resetting means 405 forms, micro-
Dynamic base 404 is specifically made up of firm banking 404a and X to fine motion base 404b, the equal l-shaped of two bases, and X is to fine motion base
T-shaped groove 404b is provided with 404b vertical planes1, short T rows groove 404b is provided with lateral surfaces2, short T-shaped groove lower surface is provided with
The 404b of permanent magnetism ferropexy counterbore I3, X is provided with Y-direction chute 404b to fine motion base lower end both sides inner face4, firm banking 404a erects
Face directly and be provided with I-shaped groove 404a1, I-shaped groove 404a1Bottom is provided with electromagnetism ferropexy counterbore 404a2, firm banking
404a is provided with two sliding recess 404a3, so that having two slide rail 404b5X can be along slip to fine motion base 404b
Groove 404a3X is realized to translation, four self-locking devices 402 are symmetrically fixed on X by screw to fine motion bottom 404b and firm banking
In 404a, one of them is fixed on T-shaped groove 404b1Interior, one is fixed on short T-shaped groove 404b2Interior, two other is fixed on
I-shaped groove 404a1Interior, to realize the driving of control device and parked, Piexoelectric actuator 401 is placed in X to fine motion bottom
Seat 404bT type grooves 404b1With the I-shaped groove 404a of firm banking 404a1It is interior, to provide a system to power, its upper end with
Self-locking device 402 is bonded, and lower end is connected with lifting apparatus 403, and lifting apparatus 403 is arranged on transverse directions of the X to fine motion base 404b
Surface and the short T-shaped groove 404b of lateral surfaces2Interior, resetting means 405 is arranged on X to the short T-shaped grooves of fine motion base 404b
404b2To realize the reset of self-locking device 402 and Piexoelectric actuator 401 between lifting apparatus 403, enable the system to hold
Continuous work.
Lifting apparatus 403 is specifically by lifting base 403a, lifting voussoir 403b, fixed voussoir composition 403c, lifting apparatus
403 main functions are that control laser aid 5 realizes Y-direction displacement, and it is short T-shaped to fine motion base 404b that lifting base 403a is placed in X
Groove 404b2Interior, the side end faces of lifting base 403a mono- are additionally provided with inclined-plane, it is therefore an objective to coordinate with self-locking device 402 and produce self-locking effect
Should, lifting base 403a upper surfaces are provided with two screwed holes, and lifting voussoir 403b is in trapezoidal shape, and upper surface is provided with two supports
Arm groove 403b1, for being connected with Piexoelectric actuator 401, support arm groove 403b1Lower surface is provided with screwed hole, passes through screw
Lifting voussoir 403b and lifting base 403a are fixed, fixed voussoir 403c is in straight triangular prism shape, and screw is fixed by voussoir
Counterbore 403c1Fixed voussoir is fixed on X in fine motion base 404b lateral surfaces, fixed voussoir 403c and lifting voussoir are oblique
403b face angle degree is 45 °.
Piexoelectric actuator 401 specifically by piezoelectric support plate 401a, drives piezoelectric ceramics 401b, straight round flexible hinge
401c, lower support block 401d, support arm 401e composition, the main function of Piexoelectric actuator 401 is to realize X, Y micromotion platform 4
X and Y-direction displacement and provide power, piezoelectric support plate 401a is placed on firm banking 404a and X into fine motion base 404b, and
Its upper surface both ends is provided with inclined-plane, and driving piezoelectric ceramics 401b one end passes through epoxide-resin glue and piezoelectric support plate 401a lower surfaces
Fitting, the other end are bonded by epoxide-resin glue with straight round flexible hinge 401c end face, straight round flexible hinge 401c
The lower support block 401d of lower end connection, lower support block 401d is by the 401d of support block I1With the 401d of support block II2Composition, support block I
401d1Upper surface is provided with two 401d of brace groove I3, the 401d of support block II2With the 401d of support block I1Provided with two identical branch
Support groove II 401d4, and lower section be additionally provided with two it is trapezoidal from lock crossbeam 401d5, for producing self-locking effect with self-locking device 402,
The 401d of support block II2Lower surface is provided with two 401d of permanent magnetism ferropexy counterbore II6, the 401d of support block I1X is placed on to fine motion base
On 404b, the 403d of support block II2It is placed on firm banking 404a, support arm 401e is by the 401e of support arm I1With support arm II
401e2Composition, the 401e of support arm I1One end is fixed on the 401d of support block I by rotating shaft1The 401d of brace groove I3It is interior, the other end
Two support arm groove 403b are fixed on by rotating shaft1, the 401e of support arm II2One end is fixed on the 401d of support block II by rotating shaft2
The 401d of brace groove II4Interior, the other end is fixed on X to 404b on fine motion base by rotating shaft.
Self-locking device 402 is specifically by the 402a of self-locking device I, self-locking device II 402b, the 402c of self-locking device III and self-locking dress
IV 402d compositions are put, self-locking device I is by self-locking block 402a1, permanent magnet 402a2, electromagnet 402a3, electromagnet base 402a4,
Permanent magnet base 402a5Composition, the main function of self-locking device 402 be accurate control X, Y micromotion platform 4 X to Y-direction displacement
Amount, self-locking block 402a1One end is provided with inclined-plane, is fitted with piezoelectric support plate 401a to produce self-locking effect, permanent magnet base
402a5It is fixed by screws in self-locking block 402a1On, permanent magnet 402a2It is embedded in permanent magnet base 402a5On, electromagnet base
402a4Firm banking 404a and X is fixed by screws in on fine motion base 404b, electromagnet 402a3It is welded on electromagnet base
402a4Upper and permanent magnet 402a2Coaxially, when change is passed through electromagnet 402a3During the interior sense of current, electromagnet 402a3Magnetic pole occurs
Change, so that itself and permanent magnet 402a2Between produce attraction or repulsive force, make self-locking block 402a1Motion releases self-locking effect backward
It or should travel forward and produce self-locking effect.
Resetting means 405 specifically by reset base 405a, resets electromagnet 405b, resets permanent magnet 405c compositions, resets
Permanent magnet 405c is by the 405c of reset permanent magnet I1From with reset the 402c of permanent magnet II2Composition, reset the 405c of permanent magnet I1It is embedded in forever
Magnet fixes the 404b of counterbore I3It is interior, reset the 405c of permanent magnet II2The fixed 401d of counterbore II6It is interior, reset base 405a and consolidated by screw
Lifting base 403a is scheduled on towards on firm banking 404a side end face, resetting electromagnet 405b by the 405b of reset electromagnet I1With
Reset the 405b of electromagnet II2Composition, reset the 405b of electromagnet I1It is embedded in and resets on base 405a, resets the 405b of electromagnet II2Edge
Embedded in electromagnetism ferropexy counterbore 404a3Interior, reset electromagnet 405b and adjacent reduction permanent magnet 405c is coaxial, when needing to reset
Being passed through electric current to reset electromagnet makes the 405b of reset electromagnet I1With resetting the 405c of permanent magnet I1Between and reset electromagnet II 405b2
With resetting the 405c of permanent magnet II2Between produce repulsive force respectively, coordinate self-locking device 402 to reset Piexoelectric actuator 401.
Claims (10)
1. a kind of large apertures system laser centring device, it is characterised in that described large apertures system laser centring device is specifically by justifying
Heart detection means, inclination angle micromotion platform, laser aid, grand hydrodynamic pressure hoistable platform, X, Y micromotion platform composition, center of circle detection dress
Put inside the system of hole, be placed on hole system bottom, inclination angle micromotion platform is embedded in the inclination angle groove of center of circle detection means upper surface
Interior, grand hydrodynamic pressure hoistable platform is fastenedly connected with inclination angle micromotion platform by screw, is placed on above the micromotion platform of inclination angle, X, Y
Micromotion platform is fixed by screws in grand hydrodynamic pressure hoistable platform upper surface, and laser aid is placed on X, Y micromotion platform center.
A kind of 2. large apertures system laser centring device according to claim 1, it is characterised in that described center of circle detection dress
Put by base, cylindrical pin branch I, cylindrical pin branch II, telescopic arm, displacement transducer composition, displacement transducer is passed by a1 displacements
Sensor, a2 displacement transducers, a3 displacement transducers, a4 displacement transducers, a5 displacement transducers and a6 displacement transducers composition, bottom
Seat lower surface corner is fitted with the cylindrical pin branch I tangent with hole system inwall, and upper surface is provided with inclination angle groove, and groove center is pacified
Equipped with oscillating bearing, corner is provided with piezoelectricity fixing groove, and telescopic arm is made up of fixed arm and cantilever arm, each fixation of a pair of telescopic arms
Arm is symmetrically fixed on base both sides by rotating shaft, and each cantilever arm head end is connected with cylindrical pin branch II, and cylindrical pin props up I outside table
Face, which is respectively embedded into, is provided with coaxial a2 displacement transducers, a3 displacement transducers, a5 displacement transducers and a6 displacement transducers, circle
Cylindrical foot branch II is only provided with a1 displacement transducers, a4 displacement transducers towards the insertion of the side surface of generating laser one.
3. a kind of large apertures system laser centring device according to claim 1, it is characterised in that described inclination angle fine motion is put down
Platform is by inclination angle piezoelectric ceramics, and ball-type support column, inclination angle gripper shoe groups are into four inclination angle piezoelectric ceramics are embedded in piezoelectricity fixing groove
In, ball-type support column is directly fixedly connected by epoxide-resin glue with inclination angle piezoelectric ceramics, and inclination angle supporting plate is detected by the center of circle
The oscillating bearing of device is connected thereto, and inclination angle support plate upper surface both ends are respectively provided with a counterbore, and identical bore is had on counterbore
Round boss.
A kind of 4. large apertures system laser centring device according to claim 1, it is characterised in that described grand hydrodynamic pressure liter
Platform drops by hydraulic means, and interchangeable support bar, polished rod, grand dynamic gripper shoe groups are into hydraulic means is made up of cylinder barrel, piston rod, cylinder
Cylinder is fixed by screws in the supporting plate of inclination angle, and piston rod is assemblied in cylinder barrel, and interchangeable support bar is tight by screw thread with piston rod
It is solidly connected, polished rod is fixed by the counterbore of inclination angle supporting plate, can exchange polished rod and interchangeable support bar according to hole system internal diameter size
Specification, grand dynamic support plate upper surface are provided with the through hole of spacing identical with inclination angle supporting plate, and polished rod is by through hole and by grand dynamic support
Plate is fixed, then coordinates hydraulic means to control its lifting by interchangeable they sup-port, and grand dynamic support plate upper surface is additionally provided with two
Ball groove, two row's balls are embedded in two ball grooves.
5. a kind of large apertures system laser centring device according to claim 1, it is characterised in that described X, Y fine motion is put down
Platform is by Piexoelectric actuator, self-locking device, lifting apparatus, fine motion base, resetting means composition, fine motion base by firm banking and
X forms to fine motion base, the equal l-shaped of two bases, and X is provided with T-shaped groove to fine motion base vertical plane, and lateral surfaces are provided with short
T-shaped groove, short T-shaped groove lower surface are provided with permanent magnetism ferropexy counterbore I, and X is slided to fine motion base lower end both sides inner face provided with Y-direction
Groove, firm banking vertical plane are provided with I-shaped groove, and I-shaped groove bottom is provided with electromagnetism ferropexy counterbore, on firm banking
Provided with two sliding recess, four self-locking devices are symmetrically fixed on X by screw into fine motion bottom and firm banking, one of them
Be fixed in T-shaped groove, one be fixed in short T-shaped groove, two other is fixed in I-shaped groove, Piexoelectric actuator
Upper end is bonded with self-locking device, and lower end is connected with lifting apparatus, and lifting apparatus is arranged on X to fine motion base lateral surfaces and horizontal stroke
To on the short T-shaped groove in surface, resetting means is arranged between short T-shaped groove and lifting apparatus.
A kind of 6. large apertures system laser centring device according to claim 5, it is characterised in that described lifting apparatus by
Lifting base, lifting voussoir, fixed voussoir composition, lifting base are placed in short T-shaped groove, and the side end face of lifting base one is provided with
Inclined-plane, lifting base upper surface have two screwed holes, and lifting voussoir is in halfpace type, and upper surface is provided with two support arm grooves,
Support arm groove lower surface is provided with screwed hole, is fixed lifting voussoir and lifting base by screw, and fixed voussoir is in straight Rhizoma Sparganii
Column type, and it is fixed by screws in X in fine motion base lateral surfaces, fixed voussoir is with lifting voussoir bevel angle
45°。
A kind of 7. large apertures system laser centring device according to claim 5, it is characterised in that described Piezoelectric Driving dress
Put by piezoelectric support plate, drive piezoelectric ceramics, directly round flexible hinge, lower support block, support arm is formed, and piezoelectric support plate is put
Put in I-shaped groove and T-shaped groove, and its upper surface both ends is provided with inclined-plane, driving piezoelectric ceramics one end passes through epoxy resin
Glue is bonded with the lower surface of piezoelectric support plate, and the other end is bonded by epoxide-resin glue with straight round flexible hinge end face, directly
The round lower support block of flexible hinge lower end connection, lower support block are made up of support block I and support block II, and the upper surface of support block I is opened
There are two brace grooves I, support block II is provided with two identical brace grooves II with support block I, and both sides are additionally provided with two ladders
For shape from lock crossbeam, lower surface is provided with two permanent magnetism ferropexy counterbores II, and support block I is placed on X on fine motion base, support block II
It is placed on firm banking, support arm is made up of support arm I and support arm II, and the one end of support arm I is fixed on support by rotating shaft
In groove I, the other end is fixed in two brace grooves by rotating shaft, and the one end of support arm II is fixed on brace groove by rotating shaft
In II, the other end is fixed on X on fine motion base by rotating shaft.
A kind of 8. large apertures system laser centring device according to claim 5, it is characterised in that described self-locking device by
Self-locking device I, self-locking device II, self-locking device III and self-locking device IV form, and self-locking device I is by self-locking block, permanent magnet, electromagnetism
Iron, electromagnet base, permanent magnet base composition, self-locking block one end is provided with inclined-plane, fitted with piezoelectric support plate to produce self-locking
Effect, permanent magnet base are fixed by screws on self-locking block, and permanent magnet is embedded on permanent magnet base, and electromagnet base passes through
Screw is fixed on firm banking and X on fine motion base, and electromagnet is welded on coaxial with permanent magnet on electromagnet base, self-locking dress
II, self-locking device III and the structure of self-locking device IV are put with self-locking device I.
A kind of 9. large apertures system laser centring device according to claim 5, it is characterised in that described resetting means by
Reset base, reset electromagnet, reset permanent magnet group into, reset permanent magnet by reset permanent magnet I and reset permanent magnet II form,
Reset permanent magnet I to be embedded in permanent magnetism ferropexy counterbore I, reset permanent magnet II and be embedded in permanent magnetism ferropexy counterbore II, reset
Base is fixed by screws in lifting base and resetted on base towards on the side end face of firm banking, resetting electromagnet I and be embedded in,
Reset electromagnet II to be embedded in electromagnetism ferropexy counterbore, reset electromagnet and adjacent reduction permanent magnet is coaxial.
A kind of 10. large apertures system laser centring device according to claim 1, it is characterised in that described laser aid
By laser barrel, generating laser, laser pickoff, laser displacement sensor composition, laser barrel is by II group of laser barrel I and laser barrel
Into generating laser is arranged in laser barrel I, and laser pickoff is arranged in laser barrel II, and the front/rear end of laser barrel is respectively inlayed
Embedded with a laser displacement sensor, and ensure that the laser displacement sensor on same laser barrel is coaxial, laser barrel front/rear end
Respectively have Y-direction guide rail.
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| CN201720258613.4U CN206638167U (en) | 2017-03-17 | 2017-03-17 | Large apertures system laser centring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627085A (en) * | 2017-03-17 | 2018-10-09 | 长春工业大学 | Large apertures system laser centring device and method |
| CN108917658A (en) * | 2018-05-21 | 2018-11-30 | 大唐山东电力检修运营有限公司 | A kind of rotating machinery alignment tool and method |
| CN112525072A (en) * | 2020-10-27 | 2021-03-19 | 成都飞机工业（集团）有限责任公司 | Detection device for aircraft fork ear hole position involution and center point calibration method thereof |
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2017
- 2017-03-17 CN CN201720258613.4U patent/CN206638167U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627085A (en) * | 2017-03-17 | 2018-10-09 | 长春工业大学 | Large apertures system laser centring device and method |
| CN108627085B (en) * | 2017-03-17 | 2023-11-28 | 长春工业大学 | Large hole system laser centering device and method |
| CN108917658A (en) * | 2018-05-21 | 2018-11-30 | 大唐山东电力检修运营有限公司 | A kind of rotating machinery alignment tool and method |
| CN112525072A (en) * | 2020-10-27 | 2021-03-19 | 成都飞机工业（集团）有限责任公司 | Detection device for aircraft fork ear hole position involution and center point calibration method thereof |
| CN112525072B (en) * | 2020-10-27 | 2022-04-08 | 成都飞机工业（集团）有限责任公司 | Detection device for aircraft fork ear hole position involution and center point calibration method thereof |
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