CN103790650A - Method and device for assembling magnetic suspension type aero-engine rotors based on concentricity optimization - Google Patents
Method and device for assembling magnetic suspension type aero-engine rotors based on concentricity optimization Download PDFInfo
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- CN103790650A CN103790650A CN201410052237.4A CN201410052237A CN103790650A CN 103790650 A CN103790650 A CN 103790650A CN 201410052237 A CN201410052237 A CN 201410052237A CN 103790650 A CN103790650 A CN 103790650A
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Abstract
The invention belongs to the technology of machine assembling, and discloses a method and device for assembling magnetic suspension type aero-engine rotors based on concentricity optimization. According to the measuring method and device, a rotation benchmark is determined based on a magnetic suspension rotation shafting, the angle location of a rotary table is determined through an optical-electricity encoder, the radial error of radial assembling planes of the rotors and the inclined error of axial assembling planes of the rotors are extracted through a four-measuring-head measuring device to obtain the influence weights of rotors to the coaxiality of the corresponding assembled rotors, all rotors needed by assembling are respectively measured to obtain the influence weights of the rotors to the coaxiality of the corresponding assembled rotors, and the vector optimization is carried out on the weights of all the rotors to obtain the assembling angles of all the rotors. The method and device can effectively solve the problem that the coaxiality is low after the aero-engine rotors are assembled, and have the advantages that the coaxiality of the rotors is high after the rotors are assembled, vibration is reduced, installation is easy, flexibility is high, and the performance of an engine is improved.
Description
Technical field
The invention belongs to mechanical assembly technique, relate generally to a kind of electromagnetic levitation type aeroengine rotor assembly method and device of optimizing based on concentricity.
Background technique
Aeroengine assembling is the final tache in aeroengine manufacture process, is also one of of paramount importance manufacture link.Under existing Aeroengine Design scheme and processing technique level conditions, the quality of assembling and working efficiency have material impact for quality, performance and the manufacturing efficiency of motor.So will improve as much as possible the coaxality of rotor after installing in assembly process, and then reduce the vibration of aeroengine, improve the performance of aeroengine.But, in reality is produced, the assembling of aeroengine is complete hand assembled, the height of assembly precision and whether stablize the assembler's that places one's entire reliance upon operating experience and technical merit, lack a kind of method that high speed effectively instructs aeroengine rotor assembling, and then raising efficiency of assembling, reduce aeroengine vibration, improve the performance of aeroengine.
Along with aeroengine assembling measuring technology more and more comes into one's own, aeroengine assembling measuring technology more and more comes into one's own, and becomes the focus of research.Increasing researcher has carried out deep discussion for aeroengine rotor, and Rools-Royce proposes a kind of scheme (System and method for improving the damage tolerance of a rotor assembly.European Patent Publication No: EP2525049A2), main by each sub-test system being obtained to the stress signal of the each position of rotor, main system is analyzed the signal of each subtense angle collection, damage the impact of parameter analysis on assembling from the appearance of each rotor, and then improved the assembling of aeroengine rotor.The problem that the method exists is: do not analyze the geometric sense aspect of rotor to the impact of assembling, cannot improve the impact of geometric sense on assembling.
Xi'an Communications University proposes a kind of method for testing assembly performance of rotor of aircraft engine (a kind of method for testing assembly performance of rotor of aircraft engine.Publication number: CN101799354A).First the method adopts vibration exciter exciting aeroengine rotor, utilizes vibration transducer and signal acquiring system software to obtain the impulse response signal of the aeroengine rotor of a multicarrier coupling; Then the impulse response signal of the aeroengine rotor to obtained a multicarrier coupling adopts dual-tree complex wavelet transform method to analyze, and obtains the impulse response subsignal of the aeroengine rotor of eight single carriers; Finally the impulse response subsignal of the aeroengine rotor to eight obtained single carriers extracts average assembly performance index, if the average assembly performance desired value of gained is more than or equal to 10, judge that this aeroengine rotor assembling is qualified, if the mean value of gained is less than 10, judge defective, the rebuilding of need to doing over again.The problem that the method exists is: to aeroengine rotor, assembling is not instructed.
Luoxin Precision Parts (shanghai) Co., Ltd. proposes a kind of coaxality equipment (a kind of axiality measuring apparatus of measuring.Publication number: CN202024752U).This device comprises a pair of transmission main shaft being rotated by lazy-tongs synchronization control being arranged on apparatus subject, and this transmission main shaft the inner respectively correspondence is provided with measuring head and positioning reference plane; Between described measuring head, top, position has transducer probe assembly.It mainly solves the coaxality of existing precision parts, the measurement of beating.The problem that the method exists is: only measure the coaxality of measured piece, do not solve the rear poor problem of coaxality of rotor assembling.
Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City proposes a kind of gap measuring method (non-contact measuring method for leaf apex radial clearance of engine rotor.Publication number: CN102175135A).The method adopts capacitance measurement technology, and measurement procedure is as follows, first assembles measuring system, calibration sensor, determines the relation between blade tip radial clearance and voltage, then sensor is fixed on blade, finally measures engine rotor blade tip radial clearance.The problem that the method exists is: do not consider in rotor assembly process the impact after axially attachment face is on rotor assembling.
The tested object of aeroengine assembling is stators and rotor, and under the condition meeting the demands in component processing precision, final inspection is by the Determines after coordinating is installed, and the index of evaluation is mainly the coaxality parameter of rotor after assembling.Engine revolution produces high pressure, and its rotor is made up of multiple single parts of combining, ideal when the turning axle of each parts and the dead in line of whole motor.High Rotation Speed speed when high-performance enginer work is greater than 10000rpm, single part axially or radial deflection will inevitably cause turbine disk misalignment engine rotation axis, under such condition, can produce very large centrifugal force, the imbalance that causes rotor to rotate, cause engine luggine, thereby guarantee that the coaxality after each parts assembling is the Focal point and difficult point of installing.
One does not use the Model Mounting of coaxality optimization method, axially and radially the beating because machining accuracy restriction exists of all parts, eccentric, inclination equal error.If directly assembled randomly, just may form the bending situation that is similar to " banana ", upper component has been accumulated bias or the tilt error of all parts below, causes the beat of the rear entirety of assembling and tilts huge, cause the non-constant of engine rotor coaxality, be difficult to meet usage requirement.
At present, domestic engine assembly still adopts traditional assembly method, tests manually as main take dial indicator.According to assembled in sequence motor from top to bottom, to assemble parts and measure afterwards, the entirety of guaranteeing at every turn to increase after parts can meet the threshold condition of coaxality, and then another parts are upwards installed.All using previous parts as benchmark, finally require overall coaxality within the specific limits at every turn.This method expends a large amount of time, and the possibility of doing over again is large, efficiency and one-time success rate that very impact is installed, and once successfully assembling needs 4 to 5 days conventionally.And, because be not optimum assembling position, conventionally need dismounting 4 to 5 times, also need workman to assemble with rich experiences, each assembling all needs to experience hot working and cold working.So current aeroengine assembly method installation efficiency is low, be difficult for installing, and after assembling, coaxality is poor, affects engine performance.
Summary of the invention
The deficiency existing for above-mentioned prior art, a kind of electromagnetic levitation type aeroengine rotor assembly method and device of optimizing based on concentricity proposed, to solve the low problem of coaxality after aeroengine rotor assembling, reach coaxality after rotor assembling high, reduce vibration, be easy to install, flexibility ratio is high, the object of improving engine performance.
The object of the present invention is achieved like this:
An electromagnetic levitation type aeroengine rotor assembly method of optimizing based on concentricity, this method of measurement step is as follows:
Measured rotor is positioned over to aligning to be adjusted on the worktable that inclines fixing; Contact measuring the telescopic inductive pickup of axial datum clamp face and the axial datum clamp face of measured rotor, incline for adjusting; Measure the Lever type inductive pickup of datum clamp face radially and contact with datum clamp face radially, for aligning; Magnetic floating turntable adjusts the worktable that inclines to drive measured rotor at the uniform velocity to rotate with the speed of 6～10r/min through aligning, the telescopic inductive pickup of measuring axial datum clamp face carries out equal interval sampling on the axial datum clamp face of measured rotor, measures the radially Lever type inductive pickup of datum clamp face and carry out equal interval sampling on the radially datum clamp face of measured rotor; Sampling number should meet 1000～2000 points of every circle; Sampled data on the radially datum clamp face of measured rotor, by Least Square Circle matching, is assessed to offset, the axial datum clamp face up-sampling data of measured rotor, by least square plane matching, are assessed to inclination amount; According to the size of offset and angle, regulate aligning to adjust the aligning knob of the worktable that inclines; According to the size of inclination amount and angle, regulate aligning to adjust the tune of worktable of the inclining knob that inclines, until aligning adjusts size that the worktable that inclines meets radial reference face offset within the scope of 0～3 μ m, axially the size of reference level inclination amount is 0～2 " in scope; Axially install and measure the telescopic inductive pickup of face and the axially face of installing and measuring of measured rotor contacts by measuring, measurement radially installs and measures the Lever type inductive pickup of face and the radially face of installing and measuring of measured rotor contacts; Magnetic floating turntable at the uniform velocity rotates with the speed of 6～10r/min, measure the telescopic inductive pickup that axially installs and measures face measured rotor axially install and measure equal interval sampling on face, the Lever type inductive pickup of measuring the face that radially installs and measures is is radially installing and measuring equal interval sampling on face respectively; Sampling number should meet 1000～2000 points of every circle; By measure the Lever type inductive pickup that radially installs and measures face in the data of the face that radially the installs and measures up-sampling of measured rotor by Least Square Circle matching and assess concentricity; By measure the telescopic inductive pickup that axially installs and measures face in the data of the face that axially the installs and measures up-sampling of measured rotor by least square plane matching and assess perpendicularity; Combined axis, to radius and this measured rotor and final height difference of assembling rotor of the face of installing and measuring, obtains this rotor to assembling the weights that affect of rear rotor coaxial degree; Measure respectively the required whole rotors of assembling, obtain each rotor to assembling the weights that affect of rear rotor coaxial degree; Adopt genetic algorithm to carry out vector optimization the weights of each rotor, obtain the angle of assembling of each rotor, the calculation method that affects weights of rotor coaxial degree is:
in formula: C represents that measured rotor radially installs and measures the concentricity of face,
represent radially to install and measure the eccentric angle in the face matching center of circle, H represents measured rotor and final height difference of assembling rotor, R represents the radius of the face that axially installs and measures, P represents that measured rotor axially installs and measures the perpendicularity of face, and θ represents the angle at the fit Plane peak place of the face that axially installs and measures.
A kind of structure of the electromagnetic levitation type aeroengine rotor assembly apparatus based on concentricity optimization is that magnetic floating axle system is nested on pedestal central position, described magnetic floating axle is by Magnetic suspension spindle, worktable, platen on magnetic floating axle, magnetic floating axle pressing disc, photoelectric encoder, photoelectric encoder code-disc, upper permanent magnet, lower permanent magnet, upper coil and lower coil form, described worktable is configured on magnetic floating axle on platen upper end portion, on magnetic floating axle, platen is configured on Magnetic suspension spindle upper end portion, Magnetic suspension spindle is configured on magnetic floating axle pressing disc upper end portion, photoelectric encoder code-disc is nested on magnetic floating axle pressing disc outer shroud, photoelectric encoder fits over pedestal central position lower inside admittedly, and be positioned at photoelectric encoder code-disc outside, upper permanent magnet is enclosed within on Magnetic suspension spindle outer shroud, and be fixed on platen underpart on magnetic floating axle, reach the standard grade snare on Magnetic suspension spindle outer shroud, and be fixed on base interior, 5-10cm place, permanent magnet below in distance, lower permanent magnet is enclosed within on Magnetic suspension spindle outer shroud, and is fixed on magnetic floating axle pressing disc upper end portion, and lower coil is enclosed within on Magnetic suspension spindle outer shroud, and is fixed on base interior, apart from 5-10cm place, lower permanent magnet top, it is on central position that aligning adjusts the worktable that inclines to be configured in magnetic floating axle, and three-jaw fluid-pressure chuck is configured in aligning tune and inclines on worktable central position, door type left column and door type right column are symmetrically distributed in the both sides of magnetic floating axle system and are packed on pedestal, and door type crossbeam two ends are connected with door type left column upper end and door type right column upper end, on door type left column, be set with to removable adjusting successively from top to bottom upper left mast link and lower-left mast link, the horizontal measuring staff level in upper left is nested on the mast link of upper left, and the horizontal measuring staff in upper lever formula inductive pickup and upper left is connected, the horizontal measuring staff level in lower-left is nested on the mast link of lower-left, and the horizontal measuring staff of lower Lever type inductive pickup and lower-left is connected, on door type right column, be set with to removable adjusting successively from top to bottom upper right mast link and bottom right mast link, the horizontal measuring staff level in upper right is nested on the mast link of upper right, and the horizontal measuring staff of upper telescopic inductive pickup and upper right is connected, the horizontal measuring staff level in bottom right is nested on the mast link of bottom right, and the horizontal measuring staff of lower telescopic inductive pickup and bottom right is connected.
Compared with prior art, feature of the present invention is:
The present invention can obtain the coaxality weights of each rotor by measuring the concentricity of each rotor and perpendicularity, again the coaxality weights of each rotor are carried out to vector optimization, just can obtain instructing setting angle, save 40% installation time and expense, 98% once mounting success rate, measurable installation progress, improve engine stabilization, reduce engine luggine, save motor fuel consumption, reduce CO
2discharge, reduces engine noise and pollutes.
Accompanying drawing explanation:
Fig. 1 is four gauge head measuring device structural representations
Fig. 2 is magnetic floating axle architecture schematic diagram
Piece number in figure: 1-pedestal, 2-magnetic floating axle system, 2a-Magnetic suspension spindle, 2b makes platform, platen on 2c-magnetic floating axle, 2d-magnetic floating axle pressing disc, 2e-photoelectric encoder, 2f-photoelectric encoder code-disc, the upper permanent magnet of 2g1-, permanent magnet under 2g2-, the upper coil of 2h1-, 2h2-lower coil, 3-aligning is adjusted the worktable that inclines, 4-three-jaw fluid-pressure chuck, 5a-door type left column, 5b-door type right column, 5c-door type crossbeam, the horizontal measuring staff in 6a-lower-left, the horizontal measuring staff in 6b bottom right, the horizontal measuring staff in 6c-upper left, the horizontal measuring staff in 6d--upper right, 7a-lower-left mast link, 7b-bottom right mast link, 7c-upper left mast link, 7d-upper right mast link, Lever type inductive pickup under 8a-, 8b-upper lever formula inductive pickup, telescopic inductive pickup under 9a-, the upper telescopic inductive pickup of 9b-.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Electromagnetic levitation type aeroengine rotor assembly method and the device optimized based on concentricity, described method and apparatus is: three-jaw fluid-pressure chuck 4 is configured in aligning tune and inclines on worktable 3 central positions.Door type left column 5a and a door type right column 5b are symmetrically distributed in magnetic floating axle to be 2 both sides and to be packed on pedestal 1, and door type crossbeam 5c two ends are connected with door type left column 5a upper end and right column 5b upper end.On door type left column 5a, be set with to removable adjusting successively from top to bottom upper left mast link 7c and lower-left mast link 7a, it is upper that upper left horizontal measuring staff 6c level is nested in upper left mast link 7c, and the horizontal measuring staff 6c in upper lever formula inductive pickup 8b and upper left is connected; It is upper that lower-left horizontal measuring staff 6a level is nested in lower-left mast link 7a, and the horizontal measuring staff 6a in lower Lever type inductive pickup 8a and lower-left is connected.On door type right column 5b, be set with to removable adjusting successively from top to bottom upper right mast link 7d and bottom right mast link 7b, it is upper that upper right horizontal measuring staff 6d level is nested in upper right mast link 7d, and upper telescopic inductive pickup 9b and the horizontal measuring staff 6d in upper right are connected; It is upper that bottom right horizontal measuring staff 6b level is nested in bottom right mast link 7b, and lower telescopic inductive pickup 9a and the horizontal measuring staff 6b in bottom right are connected.Magnetic floating axle is 2 to be nested on pedestal 1 central position, described magnetic floating axle is 2 by Magnetic suspension spindle 2a, worktable 2b, platen 2c on magnetic floating axle, magnetic floating axle pressing disc 2d, photoelectric encoder 2e, photoelectric encoder code-disc 2f, upper permanent magnet 2g1, lower permanent magnet 2g2, upper coil 2h1 and lower coil 2h2 form, described worktable 2b is configured on magnetic floating axle on platen 2c upper end portion, on magnetic floating axle, platen 2c is configured on Magnetic suspension spindle 2a upper end portion, Magnetic suspension spindle 2a is configured on magnetic floating axle pressing disc 2d upper end portion, photoelectric encoder code-disc 2f is nested on magnetic floating axle pressing disc 2d outer shroud, photoelectric encoder 2e fits over pedestal 1 central position lower inside admittedly, and be positioned at photoelectric encoder code-disc 2f outside, photoelectric encoder 2e is configured in pedestal 1 central position lower inside, and be positioned at photoelectric encoder code-disc 2f outside, upper permanent magnet 2g1 is enclosed within on Magnetic suspension spindle 2a outer shroud, and be fixed on platen 2c underpart on magnetic floating axle, upper coil 2h1 is enclosed within on Magnetic suspension spindle 2a outer shroud, and be fixed on pedestal 1 inside, 5-10cm place, permanent magnet 2g1 below in distance, lower permanent magnet 2g2 is enclosed within on Magnetic suspension spindle 2a outer shroud, and is fixed on magnetic floating axle pressing disc 2d upper end portion, and lower coil 2h2 is enclosed within on Magnetic suspension spindle 2a outer shroud, and is fixed on pedestal 1 inside, apart from 5-10cm place, lower permanent magnet 2g2 top.Magnetic floating axle is that 2 drive measured rotor are at the uniform velocity rotated with the speed of 6～10r/min, lower telescopic inductive pickup 9a carries out equal interval sampling on the axial datum clamp face of measured rotor, lower Lever type inductive pickup 8a carries out equal interval sampling on the radially datum clamp face of measured rotor, sampling number should meet 1000～2000 points of every circle, sampled data on the radially datum clamp face of measured rotor is passed through to Least Square Circle matching, assess offset, the axial datum clamp face up-sampling data of measured rotor are passed through to least square plane matching, assess inclination amount, aligning is adjusted the worktable 3 that inclines, and to be configured in magnetic floating axle be on 2 central positions, according to the size of offset and angle, regulate aligning to adjust to incline worktable 3 until the size that meets radial reference face offset within the scope of 0～3 μ m, according to the size of inclination amount and angle, regulate aligning to adjust to incline worktable 3 until the size that meets axial reference level inclination amount 0～2 " in scope, upper right mast link 7d is vertically nested in a upside of type right column 5b, upper right horizontal measuring staff 6d level is nested on the mast link 7d of upper right, upper telescopic inductive pickup 9b and the horizontal measuring staff 6d in upper right are connected, upper telescopic inductive pickup 9b is contacted with the axially face of installing and measuring of measured rotor, upper left mast link 7c is vertically nested in a upside of type left column 5a, upper left horizontal measuring staff 6c level is nested on the mast link 7c of upper left, the horizontal measuring staff 6c in upper lever formula inductive pickup 8b and upper left is connected, upper lever formula inductive pickup 8b contacts with the radially face of installing and measuring of measured rotor, magnetic floating axle is 2 at the uniform velocity to rotate with the speed of 6～10r/min, and upper telescopic inductive pickup 9b axially installs and measures equal interval sampling on face measured rotor, and upper lever formula inductive pickup 8b radially installs and measures equal interval sampling on face measured rotor, sampling number should meet 1000～2000 points of every circle, by upper lever formula inductive pickup 8b in the data of the face that radially the installs and measures up-sampling of measured rotor by Least Square Circle matching and assess concentricity, by upper telescopic inductive pickup 9b in the data of the face that axially the installs and measures up-sampling of measured rotor by least square plane matching and assess perpendicularity, combined axis, to radius and this measured rotor and final height difference of assembling rotor of the face of installing and measuring, obtains this rotor to assembling the weights that affect of rear rotor coaxial degree, measure respectively the required whole rotors of assembling, obtain each rotor to assembling the weights that affect of rear rotor coaxial degree, adopt genetic algorithm to carry out vector optimization the weights of each rotor, obtain the angle of assembling of each rotor, the calculation method that affects weights of rotor coaxial degree is:
in formula: C represents that measured rotor radially installs and measures the concentricity of face,
represent radially to install and measure the eccentric angle in the face matching center of circle, H represents measured rotor and final height difference of assembling rotor, R represents the radius of the face that axially installs and measures, P represents that measured rotor axially installs and measures the perpendicularity of face, and θ represents the angle at the fit Plane peak place of the face that axially installs and measures.
Claims (2)
1. an electromagnetic levitation type aeroengine rotor assembly method of optimizing based on concentricity, is characterized in that this method of measurement is: measured rotor is positioned over to aligning and adjusts on the worktable that inclines fixing; Contact measuring the telescopic inductive pickup of axial datum clamp face and the axial datum clamp face of measured rotor, incline for adjusting; Measure the Lever type inductive pickup of datum clamp face radially and contact with datum clamp face radially, for aligning; Magnetic floating turntable adjusts the worktable that inclines to drive measured rotor at the uniform velocity to rotate with the speed of 6～10r/min through aligning, the telescopic inductive pickup of measuring axial datum clamp face carries out equal interval sampling on the axial datum clamp face of measured rotor, measures the radially Lever type inductive pickup of datum clamp face and carry out equal interval sampling on the radially datum clamp face of measured rotor; Sampling number should meet 1000～2000 points of every circle; Sampled data on the radially datum clamp face of measured rotor, by Least Square Circle matching, is assessed to offset, the axial datum clamp face up-sampling data of measured rotor, by least square plane matching, are assessed to inclination amount; According to the size of offset and angle, regulate aligning to adjust the aligning knob of the worktable that inclines; According to the size of inclination amount and angle, regulate aligning to adjust the tune of worktable of the inclining knob that inclines, until aligning adjusts size that the worktable that inclines meets radial reference face offset within the scope of 0～3 μ m, axially the size of reference level inclination amount is 0～2 " in scope; Axially install and measure the telescopic inductive pickup of face and the axially face of installing and measuring of measured rotor contacts by measuring, measurement radially installs and measures the Lever type inductive pickup of face and the radially face of installing and measuring of measured rotor contacts; Magnetic floating turntable at the uniform velocity rotates with the speed of 6～10r/min, measure and axially install and measure the telescopic inductive pickup of face first-class the asking every sampling of the face that axially installs and measures of measured rotor, the Lever type inductive pickup of measuring the face that radially installs and measures is is radially installing and measuring equal interval sampling on face respectively; Sampling number should meet 1000～2000 points of every circle; By measure the Lever type inductive pickup that radially installs and measures face in the data of the face that radially the installs and measures up-sampling of measured rotor by Least Square Circle matching and assess concentricity; By measure the telescopic inductive pickup that axially installs and measures face in the data of the face that axially the installs and measures up-sampling of measured rotor by least square plane matching and assess perpendicularity; Combined axis, to radius and this measured rotor and final height difference of assembling rotor of the face of installing and measuring, obtains this rotor to assembling the weights that affect of rear rotor coaxial degree; Measure respectively the required whole rotors of assembling, obtain each rotor to assembling the weights that affect of rear rotor coaxial degree; Adopt genetic algorithm to carry out vector optimization the weights of each rotor, obtain the angle of assembling of each rotor, the calculation method that affects weights of rotor coaxial degree is:
in formula: C represents that measured rotor radially installs and measures the concentricity of face,
represent radially to install and measure the eccentric angle in the face matching center of circle, H represents measured rotor and final height difference of assembling rotor, R represents the radius of the face that axially installs and measures, P represents that measured rotor axially installs and measures the perpendicularity of face, and θ represents the angle at the fit Plane peak place of the face that axially installs and measures.
2. an electromagnetic levitation type aeroengine rotor assembly apparatus of optimizing based on concentricity, it is characterized in that magnetic floating axle system (2) is nested on pedestal (1) central position, described magnetic floating axle system (2) is by Magnetic suspension spindle (2a), worktable (2b), platen on magnetic floating axle (2c), magnetic floating axle pressing disc (2d), photoelectric encoder (2e), photoelectric encoder code-disc (2f), upper permanent magnet (2g1), lower permanent magnet (2g2), upper coil (2h1) and lower coil (2h2) form, described worktable (2b) is configured on platen on magnetic floating axle (2c) upper end portion, platen on magnetic floating axle (2c) is configured on Magnetic suspension spindle (2a) upper end portion, Magnetic suspension spindle (2a) is configured on magnetic floating axle pressing disc (2d) upper end portion, photoelectric encoder code-disc (2f) is nested on magnetic floating axle pressing disc (2d) outer shroud, photoelectric encoder (2e) fits over pedestal (1) central position lower inside admittedly, and be positioned at photoelectric encoder code-disc (2f) outside, upper permanent magnet (2g1) is enclosed within on Magnetic suspension spindle (2a) outer shroud, and be fixed on platen on magnetic floating axle (2c) underpart, upper coil (2h1) is enclosed within on Magnetic suspension spindle (2a) outer shroud, and be fixed on pedestal (1) inside, 5-10cm place, permanent magnet in distance (2g1) below, lower permanent magnet (2g2) is enclosed within on Magnetic suspension spindle (2a) outer shroud, and be fixed on magnetic floating axle pressing disc (2d) upper end portion, lower coil (2h2) is enclosed within on Magnetic suspension spindle (2a) outer shroud, and be fixed on pedestal (1) inside, apart from 5-10cm place, lower permanent magnet (2g2) top, aligning adjusts the worktable (3) that inclines to be configured on magnetic floating axle system (2) central position, and three-jaw fluid-pressure chuck (4) is configured in aligning tune and inclines on worktable (3) central position, door type left column (5a) and door type right column (5b) are symmetrically distributed in the both sides of magnetic floating axle system (2) and are packed in pedestal (1) upper, and door type crossbeam (5c) two ends are connected with door type left column (5a) upper end and door type right column (5b) upper end, on door type left column (5a), removable adjusting ground is set with upper left mast link (7c) and lower-left mast link (7a) successively from top to bottom, it is upper that the horizontal measuring staff in upper left (6c) level is nested in upper left mast link (7c), and upper lever formula inductive pickup (8b) is connected with upper left horizontal measuring staff (6c), it is upper that the horizontal measuring staff in lower-left (6a) level is nested in lower-left mast link (7a), and lower Lever type inductive pickup (8a) is connected with lower-left horizontal measuring staff (6a), on door type right column (5b), removable adjusting ground is set with upper right mast link (7d) and bottom right mast link (7b) successively from top to bottom, it is upper that the horizontal measuring staff in upper right (6d) level is nested in upper right mast link (7d), and upper telescopic inductive pickup (9b) is connected with upper right horizontal measuring staff (6d), it is upper that the horizontal measuring staff in bottom right (6b) level is nested in bottom right mast link (7b), and lower telescopic inductive pickup (9a) is connected with bottom right horizontal measuring staff (6b).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410052237.4A CN103790650B (en) | 2014-02-14 | The electromagnetic levitation type aeroengine rotor assembling device optimized based on concentricity |
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| CN201410052237.4A CN103790650B (en) | 2014-02-14 | The electromagnetic levitation type aeroengine rotor assembling device optimized based on concentricity |
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| CN103790650A true CN103790650A (en) | 2014-05-14 |
| CN103790650B CN103790650B (en) | 2016-11-30 |
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| CN103790652A (en) * | 2014-02-14 | 2014-05-14 | 哈尔滨工业大学 | Aircraft engine rotor air floating assembling method and device based on optical-electricity encoder angle measuring |
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| CN103806958A (en) * | 2014-02-14 | 2014-05-21 | 哈尔滨工业大学 | Hydraulic grasping clamping type aircraft engine rotor assembly method and device based on inductosyn |
| CN106556358A (en) * | 2016-11-23 | 2017-04-05 | 西安航天计量测试研究所 | A kind of barrel swivel part installs concentricity high-speed adjustment device and measuring method |
| CN106625398A (en) * | 2017-01-03 | 2017-05-10 | 哈尔滨工业大学 | Assembling method and device of aero-engine rotor |
| CN106767657A (en) * | 2016-11-23 | 2017-05-31 | 西安航天计量测试研究所 | A kind of barrel swivel part installs concentricity method for fast measuring and adjusting apparatus |
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