CN105127795B - The method of the fixing centre of gyration of the inside and outside axle box axial location of the car wheel lathe that do not fall - Google Patents
The method of the fixing centre of gyration of the inside and outside axle box axial location of the car wheel lathe that do not fall Download PDFInfo
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- CN105127795B CN105127795B CN201510614846.9A CN201510614846A CN105127795B CN 105127795 B CN105127795 B CN 105127795B CN 201510614846 A CN201510614846 A CN 201510614846A CN 105127795 B CN105127795 B CN 105127795B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B25/00—Accessories or auxiliary equipment for turning-machines
- B23B25/06—Measuring, gauging, or adjusting equipment on turning-machines for setting-on, feeding, controlling, or monitoring the cutting tools or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/121—Arrangements for cooling or lubricating parts of the machine with lubricating effect for reducing friction
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Abstract
The invention discloses the method for the fixing centre of gyration of the inside and outside axle box axial location of a kind of car wheel lathe that do not fall, belong to Digit Control Machine Tool field, adopt inside and outside axle box longitudinal balance bracing or strutting arrangement, axle box hold-down devices, control system, lathe automatic detection device, drive unit is to form the car wheel lathe processing motor-car that do not fall, the centre of gyration of Railway wheelset, Railway wheelset is aligned leveling by the automatic detection of lathe automatic detection device, axle box longitudinal balance supports with axle box hold-down devices and combines between the two and realize wheel to the precise positioning of axle box and fixing, solve existing do not fall car wheel lathe do not disintegrate wheel to take turns right process with axle box in gyroaxis axle center fixing or float, cause processed wheel tread to have the problem of losing circle, adopt the present invention for high speed motor car, railroad train, the right wheel that do not fall of urban light rail train and subway train wheel is processed, realize lathe automation processing, improve wheel to machining accuracy, ensure train operation smoothness.
Description
Technical field
The present invention relates to the technical field of numerically controlled lathe, in particular to a kind of inside and outside axle box axle of the car wheel lathe that do not fallTo the method for the fixing centre of gyration in location, be based on lathe passage coordinate, to take turns wheel rim top as benchmark, by inside and outside axle boxAxial location is taken turns axle center, thus the method for a kind of do not fall car wheel lathe processing motor-car, the Railway wheelset of fast pulley to the centre of gyration.
Background technology
China Railway system has been entered raising speed by a large scale several times, and high-speed railway operation accounting significantly expands, fortuneBattalion's mileage is sure to occupy the first in the world. Because the Development of High Speed Railway time is short, speed is fast, general fast train, subway train utilization amount are huge,Safeguard that equipment is relatively backward, therefore bullet train, EMUs, locomotive, passenger-cargo carriage vehicle, subway train, urban light rail trainTransportation safety faces many new problems, the wherein geometric accuracy of bullet train wheel to processing, the operation of direct relation bullet trainThe degree of operating steadily such as quality and ride quality. Particularly geometric accuracy is underproof takes turns operation, the serious threat peopleLife security and national wealth safety, through investigation, at present the bullet train CRH3C type of operation, CRH380B type EMUs occurA lot of axle box end caps, the ground connection lid construction bolt fault that gets loose, through investigation and analysis, there are obvious 18 ~ 20 rank polygon and lines in wheelThe indivedual sections in road exist ripple mill wavelength close with wheel polygon, and when EMUs high-speed cruising, circuit Forced Frequency and wheel are manyThe close generation resonance of limit shape Forced Frequency, the vibration of aggravation axle head is the basic reason that causes bolt to get loose. But generation EMUsWheel exists the polygonal reason in obvious rank and the existing motor-car car wheel lathe wheel that do not fall to exist the floating rotary center that adds man-hourPositive connection.
The existing motor-car car wheel lathe that do not fall is all taked wheel tread and external centring, all taking tread as centering standard, due toAll experience wear, wheel exist and take turns footpath dimensional discrepancy wheel two treads itself, the problem that differs in size, or have wheel wheel treadThe irregular phenomenons such as tread ellipse, polygon, are difficult to accurately find and take turns right pivot, cause its processing to there will be many mistakesPoor. The more important thing is that do not fall the at present right friction driving roller of car wheel lathe support wheel and wheel carrier structure must adopt servo-actuated or unsteady establishingMeter, wheel to process in friction driving roller and wheel tread contact-making surface be one along with working angles variation, cause rowWheel to friction driving roller in servo-actuated or quick condition. Above-mentioned design must cause in processing work revolution unfixing or floatingMoving, cause by wheel tread and have phenomenons such as losing circle, bring all multi-risk Systems and unsafe factor to railway operation, particularly give highSpeed train and motor train unit train bring potential safety hazard. Therefore, not falling that car wheel lathe processing wheel feels relieved to foreign round to roller is science not. A kind of method that adopts car wheel lathe processing Railway wheelset fixation workpiece centre of gyration that do not fall of more science, improves wheel to addingWork precision, to adapt to China Express Railway demand for development, particularly guarantees the operation peace of China's motor train unit train, bullet trainEntirely, reduce people's life and property loss.
Summary of the invention
The object of the present invention is to provide a kind of side of the fixing centre of gyration of inside and outside axle box axial location of the car wheel lathe that do not fallMethod, is based on lathe passage coordinate, to take turns wheel rim top as benchmark, takes turns axle center by inside and outside axle box axial location, therebyThe method of a kind of do not fall car wheel lathe processing motor-car, the Railway wheelset of fast pulley to the centre of gyration. To reach single shaft or twin shaft does not fallThe right centre of gyration of car wheel lathe processing wheel fixing, improve wheel to machining accuracy, improve train operating safety and riding qualityObject. Solve existing do not fall car wheel lathe do not disintegrate wheel to take turns right process with axle box in gyroaxis axle center fixing orFloat, cause processed wheel to have to wheel tread the problem of losing circle. Adopting the present invention is the single shaft or two that design principle is manufacturedAxle does not fall car wheel lathe for the right wheel processing that do not fall of high speed motor car, railroad train, urban light rail train and subway train wheel, realizesLathe automation processing, improve wheel to machining accuracy, ensure train operation smoothness.
For realizing the object of the invention, the technical scheme of employing is: a kind of inside and outside axle box axial location of the car wheel lathe that do not fall is solidDetermining the method for the centre of gyration, is based on lathe passage coordinate, to take turns wheel rim top as benchmark, by lathe passage coordinate, inOuter axle box longitudinal balance bracing or strutting arrangement locating wheel is to axle center, thereby fast pulley is to the centre of gyration, it is characterized in that, outer shaft in adoptingCase longitudinal balance bracing or strutting arrangement, axle box hold-down devices, control system, lathe automatic detection device, drive unit do not fall with compositionThe centre of gyration of car wheel lathe processing motor-car, Railway wheelset, the fixing centre of gyration of the inside and outside axle box axial location of the described car wheel lathe that do not fallMethod comprise the following steps:
A. the mode of setting up of lathe passage coordinate: the X of lathe passage coordinate is parallel with the X direction guiding rail of lathe cutter saddle to coordinateOr overlap, the Z-direction coordinate of lathe passage coordinate is with the Z-direction guide rail parallel of lathe cutter saddle or overlap;
B. the inside and outside axle box longitudinal balance bracing or strutting arrangement of lathe, adopts and measures sensing technology, by workpiece is taken turns carThe wheel rim tip position of wheel is benchmark, when workpiece is taken turns wheel rim top reference to wheel and the Z-direction coordinate of lathe passage coordinateParallel or overlap, when vertical to coordinate with the X of lathe passage coordinate, under the effect of lathe automatic detection device by in-position numberAccording to feeding back to control system, under the effect of axle box hold-down devices, make the inside and outside axle box of train be fixed on the inside and outside axle box axle of latheOn Equipoising support apparatus, inside and outside axle box longitudinal balance bracing or strutting arrangement auto lock is stable, forms lathe and Railway wheelset stableThe processing centre of gyration;
Wherein: lathe automatic detection device comprises the automatic detection head of detection wheel to wheel height and position respectively, inspection automaticallyGauge head correspondence is positioned at the wheel rim place of wheel to wheel, and detection head is adjusted to same level position taking lathe passage coordinate as benchmark automaticallyPut;
Wheel detects respectively the wheel rim tip position of wheel to wheel to the automatic detection head at wheel place, and by wheel rim tip positionData feedback to control system;
C. control system is relatively taken turns the wheel rim tip position data to wheel, and drives inside and outside axle box longitudinal balance to support dressPut support wheel to axle box bottom and regulate axle box position, thereby according to wheel, horizontal location being carried out in the wheel rim position of wheel, making wheelParallel or overlap to the Z axis of the axial line of wheel and the passage coordinate of lathe.
Further, carrying out after step C, axle box hold-down devices is fixed wheel to axle box at wheel to axle box top, inOuter axle box longitudinal balance bracing or strutting arrangement and the acting in conjunction of axle box hold-down devices are with the right centre of gyration of fast pulley.
Further, described control system respectively with inside and outside axle box longitudinal balance bracing or strutting arrangement, axle box hold-down devices withAnd lathe automatic detection device electrical connection.
Further, described drive unit is provided with driving rolls, and driving rolls is connected wheel drive with wheel.
Further, described inside and outside axle box longitudinal balance bracing or strutting arrangement, is characterized in that, comprises frame, described frameOn be vertically provided with fairlead, on fairlead, be provided with slip guide pillar; One end of described slip guide pillar is provided with carrier block, the other endBe fixedly connected with screw, the upper surface of described carrier block is provided with back-up block, and screw screw thread driving coupling has screw mandrel, and screw mandrel is connected withTransmission device, transmission device is provided with power set.
Further, transmission device comprises worm gear, worm screw and gear, and gear driven worm screw is rotated, and worm and wheel connectsConnect, worm gear is connected with screw mandrel.
Further, described power set are that motor or hydraulic motor directly drive screw mandrel.
Further, described frame is provided with centralized lubricating system.
The method of the fixing centre of gyration of inside and outside axle box axial location of a kind of car wheel lathe that do not fall of the present invention, its featureBe, for single shaft or twin shaft do not fall car wheel lathe design, manufacture; With solve not fall wheel to process in gyroaxis axle center notFixing or unsteady, cause processed wheel tread to have the problem of losing circle.
Adopt beneficial effect of the present invention specific as follows:
1, having solved the single shaft of existing motor-car or twin shaft does not fall in car wheel lathe processing because the centre of gyration is fixing or floatFixing, the processed wheel rank polygon causing, there are obvious 18 ~ 20 polygonal problems in rank in wheel, prevents at circuitWhen other section exists ripple mill wavelength close with wheel polygon, EMUs high-speed cruising, circuit Forced Frequency and wheel polygonThe close generation of Forced Frequency resonance, cause bolt to get loose after serious traffic safety threaten;
2, single shaft car wheel lathe or the twin shaft car wheel lathe that do not fall that do not fall adds man-hour, taking what take turns the wheel rim of wheel as automatic detection headPositioning datum, the wheel tread of the more conventional location of wheel rim of wheel is more accurate, is not subject to the irregular contour institute of wheel treadImpact, is conducive to improve the geometric accuracy of wheel to crudy and profile, for traffic safety, the high ferro EMUs wheel track of train closeThe improvement of system leads new research direction, and finally formulates and contribute for China's high ferro maintenance criterion;
3, having wide range of applications of the application, can be for the car of railroad train, EMUs, urban light rail and subway trainWheel wheel is to processing, this Railway wheelset axle box fixed system by mechanotronics, measure sensing technology, digital control technology,Computerized Information Processing Tech, interfacing are carried out Railway wheelset lifting, automatic centering leveling, the Train Wheel of locating, be lockedTo axle box, so by Railway wheelset bearing lock fixed wheel to axletree, fixing lathe workpiece to be machined is taken turns the right centre of gyration, has realizedThe do not fall automation processing of car wheel lathe, has improved the operating efficiency of lathe.
Brief description of the drawings
Fig. 1 is the entirety of the method for the fixing centre of gyration of inside and outside axle box axial location of the car wheel lathe that do not fall provided by the inventionStructural representation;
Fig. 2 is the driving of the method for the fixing centre of gyration of inside and outside axle box axial location of the car wheel lathe that do not fall provided by the inventionThe structural representation of roller;
Fig. 3 is the structure of the method for the fixing centre of gyration of inside and outside axle box axial location of the car wheel lathe that do not fall provided by the inventionThe A of schematic diagram is to view;
Fig. 4 is the structural representation of the inside and outside axle box longitudinal balance bracing or strutting arrangement of the car wheel lathe that do not fall provided by the invention.
Detailed description of the invention
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Fig. 1, Fig. 2 and Fig. 3 provide the structural representation of the method for the fixing centre of gyration of car wheel lathe that do not fall, and its feature existsIn, adopt lathe passage coordinate 12, inside and outside axle box longitudinal balance bracing or strutting arrangement 10, axle box hold-down devices 5, control system, latheAutomatic detection device, drive unit 11 are to form the centre of gyration of do not fall car wheel lathe processing motor-car, Railway wheelset. The described wheel that do not fallThe fixing means of lathe processing motor-car, the Railway wheelset centre of gyration comprises the following steps:
A. the mode of setting up of lathe passage coordinate 12: the X of lathe passage coordinate 12 is to the X direction guiding rail of coordinate and lathe cutter saddleParallel or overlap, the Z-direction coordinate of lathe passage coordinate 12 is with the Z-direction guide rail parallel of lathe cutter saddle or overlap;
B. the inside and outside axle box longitudinal balance bracing or strutting arrangement 10 of lathe, adopts and measures sensing technology, by right to workpiece wheelThe wheel rim tip position of wheel 7 is benchmark, when workpiece is taken turns wheel rim top reference to wheel 7 and the Z of lathe passage coordinate 12Parallel or overlap to coordinate, when vertical to coordinate with the X of lathe passage coordinate 12, under the effect of lathe automatic detection device, will arriveReach position data and feed back to control system, under the effect of axle box hold-down devices 5, make the inside and outside axle box of train be fixed on lathe inOn outer axle box longitudinal balance bracing or strutting arrangement 10, inside and outside axle box longitudinal balance bracing or strutting arrangement 10 auto locks are stable, form lathe withThe processing centre of gyration that Railway wheelset is stable;
Wherein: lathe automatic detection device comprises the automatic detection head 4 of detection wheel to wheel height and position respectively, inspection automaticallyGauge head 4 correspondences are positioned at wheel rim 1 place of wheel to wheel 7, automatically detection head 4 taking lathe passage coordinate 12 as benchmark is adjusted to same waterMean place, the location in the horizontal direction of detection head 4 is by lathe passage coordinate 12 automatically, lathe passage coordinate 12 fingers are existingLathe on X to, Y-direction, three reference coordinates of leading to of Z-direction, for the origin reference location effect of the basis processing of lathe, based onThe single shaft that lathe passage coordinate 12 arranges or the twin shaft car wheel lathe lathe automatic detection device that do not fall is added for automatic centering levelingWork is taken turns the axial line to wheel 7;
Wheel detects respectively wheel rim 1 height and position of wheel to wheel 7 to the automatic detection head 4 at wheel 7 places, and by this height positionThe data feedback of putting is to control system;
Control system is relatively taken turns the wheel rim 1 height and position data of the arranged on left and right sides wheel to wheel, and drives inside and outside axle boxThe position of longitudinal balance bracing or strutting arrangement 10 regulating wheels to axle box 3, determines thereby detection wheel carries out level to wheel rim 1 position of wheel 7Position, makes wheel parallel or coincidence to the Z axis of the axial line of wheel 7 and the passage coordinate 12 of lathe; Wheel to axle box 3 be set in wheel rightThe rolling bearing of 7 two axle heads of wheel, is the corollary apparatus that train and wheel are connected and fixed wheel 7, and Railway wheelset 7 is being taken turns axleIn case 3, do gyration.
Carrying out after step C, axle box hold-down devices 5 is fixed wheel to axle box 3 at wheel to axle box 3 tops, inside and outside axle boxLongitudinal balance bracing or strutting arrangement 10 and 5 actings in conjunction of axle box hold-down devices are the centre of gyration to wheel 7 with fast pulley, forms to arrangeAt wheel to the wheel of wheel 7 to axletree 3 two ends with the wheel of bearing position and lock to axial line, ensure logical with lathe to axial line of wheelZ-direction to coordinate 12 keeps level.
Wheel refers to two relative contour edges of the close inner side of processing wheel to wheel 7 to the wheel rim 1 of wheel 7, take turns with thisWide edge face adjacent and relatively close outside is wheel tread, and wheel tread and driving rolls 8 CONTACT WITH FRICTION are right to process wheelThe wheel rim 1 of wheel 7 is benchmark as the initial initial point of processing, when train enters Working position, is supported by inside and outside axle box longitudinal balanceDevice 10 makes the wheel of train processing leave machine tool track to wheel 7.
The automatic detection head 4 that lathe automatic detection device comprises has respectively left and right two, and respectively correspondence be arranged on wheel rightUnder wheel 7, can also be arranged on as required other and can be detected axial line and the lathe passage of wheel to wheel 7The position of coordinate 12 relativenesses.
The bottom of inside and outside axle box longitudinal balance bracing or strutting arrangement 10 support wheels to axle box 3, axle box hold-down devices 5 is by taking turns axleThe top of case 3 is fixed the right inside and outside axle box of wheel, forms to be arranged on the axletree bearings at both ends position and lock of wheel to wheel 7Wheel to axial line, fixed the processed centre of gyration of taking turns wheel 7 of lathe, thus make lathe not fall wheel state under to wheelTo the processing of wheel 7. Wheel can guarantee that to the fixing centre of gyration of wheel 7 wheel out-of-roundness index that wheel 7 is processed is controlled, wheelFixedly by the support of inside and outside axle box longitudinal balance bracing or strutting arrangement 10 and the hold-down mechanism of axle box hold-down devices 5 to axle box 3 positionsCombination between the two completes. Processing wheel is mainly axial by inside and outside axle box to axle box 3 by wheel to the free degree of wheel 7Equipoising support apparatus 10 and the 5 common restrictions of axle box hold-down devices.
Control system is examined automatically with inside and outside axle box longitudinal balance bracing or strutting arrangement 10, axle box hold-down devices 5 and lathe respectivelyThe electrical connection of survey device, the position of the automatic detection head 4 of lathe automatic detection device wheel rim 1 to wheel 7 to wheel is detected, anti-Feedback wheel is to the axial line positional information of wheel 7 to control system, and this control system is by inside and outside axle box longitudinal balance bracing or strutting arrangementWheel is automatically adjusted to the position data of axle box 3, and correction-compensation, plays wheel to wheel 7 Zhou center automatic centering leveling,Guarantee that wheel is parallel with the axis of lathe passage coordinate 12 or overlap all the time in level to the centerline of wheel 7.
Drive unit 11 is provided with driving rolls 8, and driving rolls 8 is in transmission connection to wheel 7 with wheel, and driving rolls 8 is right with wheelFrictional drive is carried out in the tread contact of wheel 7. Be positioned at the driving rolls 8 of the arranged on left and right sides of wheel to wheel 7, mainly to processing wheelTo just centering of wheel 7, can assist the free degree X of three directions of restriction to rotate simultaneously, Y moves, Y rotates, and driving force is provided.With the driving rolls frame location of lathe guiding angle bar 14, feel relieved with driving rolls 8, two driving rolls 8 in (as Fig. 3) left side asOne short V-block, two driving rolls 8 as the same short V-blocks on right side, in conjunction with the contraposition of driving rolls frame, two V-blocks are an entirety,Form a long V-block.
Fig. 4 shows the structural representation of the inside and outside axle box longitudinal balance bracing or strutting arrangement of the car wheel lathe that do not fall provided by the inventionFigure, is characterized in that, comprises frame 15, in described frame 15, is vertically provided with fairlead 22, on fairlead 22, is provided with slipGuide pillar 23, fairlead 22 plays guide-localization effect for slip guide pillar 23. One end of described slip guide pillar 23 is provided with carrier block 24,The other end is fixedly connected with screw 21, and screw 21 is threaded connection and becomes entirety with slip guide pillar 23, and screw 21 drives and slidesGuide pillar does rectilinear motion, plays the effect of screw jack. The upper surface of described carrier block 24 is provided with back-up block 25, screw 21 spiral shellsLine driving coupling has screw mandrel 20, is rotatablely moved and is converted into rectilinear movement and produces thrust, screw mandrel 20 simultaneously by screw mandrel screw adjutantBe connected with transmission device, transmission device is provided with power set, for whole transmission device provides power. Back-up block 25 is flat as supportingPlatform is that wheel is laid basal plane to one of axle box 26, and back-up block 25 uses as a clamping special tooling, inhomogeneity rain modelThe back-up block 25 of coupling different model.
Transmission device comprises worm gear 19, worm screw 18 and gear 17, and gear 17 drives worm screw 18 to rotate, worm screw 18 and worm gear19 connect, and worm gear 19 is connected with screw mandrel 20, and the transmission of gear drive group drives worm screw 18 transmissions, and worm screw 18 drives worm gear 19 together with silkBar 20 transmissions, screw 21 moves together with slip guide pillar 23. Axle box back-up block 25 on carrier block 24 withstands wheel to axle box 26 bottomsVertically move up and down. Adopt worm and gear auxiliary driving, stable drive, transmission speed ratio is large, can save space. Meanwhile,Worm couple self-locking property is good, has self-locking performance in conjunction with screw mandrel screw pair, and duplicate protection wheel does not change to Working position,Make wheel to axle box 26 all the time in a highly stable state, and this kind of kind of drive is a kind of enforcement provided by the inventionExample, can also adopt special reduction gear speed change.
Power set are motor 16, and power source is not limited to motor 16 of the present invention, can also adopt main axle servo electricityMachine or hydraulic motor directly drive screw mandrel.
Frame 15 is provided with centralized lubricating system, and energy self-lubricate moving component, can reduce the concentrated wear of moving component,Reduce the wearing and tearing of bracing or strutting arrangement guide pillar, improve the durability of device.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention. For the skill of this areaArt personnel, the present invention can have various modifications and variations. Within the spirit and principles in the present invention all, to do any repairingProtection scope of the present invention changes, be equal to replacement, improvement etc., within all should be included in.
Claims (8)
1. a method for the fixing centre of gyration of the inside and outside axle box axial location of the car wheel lathe that do not fall, is characterized in that, adopts lathe logicalRoad coordinate, inside and outside axle box longitudinal balance bracing or strutting arrangement, axle box hold-down devices, control system, lathe automatic detection device, driving dressThe fast pulley of putting can not form car wheel lathe processing motor-car, Railway wheelset is to the centre of gyration, and this method comprises the following steps:
A. the mode of setting up of lathe passage coordinate: the X of lathe passage coordinate is parallel or heavy with the X direction guiding rail of lathe cutter saddle to coordinateClose, the Z-direction coordinate of lathe passage coordinate is with the Z-direction guide rail parallel of lathe cutter saddle or overlap;
B. the inside and outside axle box longitudinal balance bracing or strutting arrangement of lathe, adopts and measures sensing technology, by workpiece wheel to wheelWheel rim tip position is benchmark, when workpiece is taken turns parallel with the Z-direction coordinate of lathe passage coordinate to the wheel rim top reference of wheelOr overlap, when vertical to coordinate with the X of lathe passage coordinate, under the effect of lathe automatic detection device by anti-in-position dataBe fed to control system, under the effect of axle box hold-down devices, the inside and outside axle box that makes the inside and outside axle box of train be fixed on lathe is axially put downOn weighing apparatus bracing or strutting arrangement, inside and outside axle box longitudinal balance bracing or strutting arrangement auto lock is stable, forms lathe and stable the adding of Railway wheelsetThe work centre of gyration;
Wherein: lathe automatic detection device comprises the automatic detection head of detection wheel to wheel height and position respectively, detection head automaticallyCorrespondence is positioned at the wheel rim place of wheel to wheel, and detection head is adjusted to same level position taking lathe passage coordinate as benchmark automatically;
Wheel detects respectively the wheel rim tip position of wheel to wheel to the automatic detection head at wheel place, and by the number of wheel rim tip positionAccording to feeding back to control system;
C. control system is relatively taken turns the wheel rim tip position data to wheel, and drives inside and outside axle box longitudinal balance bracing or strutting arrangement to prop upSupport wheel is to axle box bottom and regulate axle box position, thereby according to wheel, horizontal location is carried out in the wheel rim position of wheel, makes wheel to carParallel or the coincidence of the Z axis of axial line and the passage coordinate of lathe of wheel.
2. the method for the fixing centre of gyration of the inside and outside axle box axial location of the car wheel lathe that do not fall according to claim 1, its featureBe, carrying out after step C, axle box hold-down devices is fixed wheel to axle box at wheel to axle box top, and inside and outside axle box is axially flatWeighing apparatus bracing or strutting arrangement and the acting in conjunction of axle box hold-down devices are with the right centre of gyration of fast pulley.
3. the method for the fixing centre of gyration of the inside and outside axle box axial location of the car wheel lathe that do not fall according to claim 1, its featureBe, described control system is examined automatically with inside and outside axle box longitudinal balance bracing or strutting arrangement, axle box hold-down devices and lathe respectivelyThe electrical connection of survey device.
4. the method for the fixing centre of gyration of the inside and outside axle box axial location of the car wheel lathe that do not fall according to claim 1, its featureBe, described drive unit is provided with driving rolls, and driving rolls is connected wheel drive with wheel.
5. the method for the fixing centre of gyration of the inside and outside axle box axial location of the car wheel lathe that do not fall according to claim 1, its featureBe, described inside and outside axle box longitudinal balance bracing or strutting arrangement further comprises frame, is vertically provided with fairlead in described frame,On fairlead, be provided with slip guide pillar; One end of described slip guide pillar is provided with carrier block, and the other end is fixedly connected with screw, described inThe upper surface of carrier block is provided with back-up block, and screw thread screw transmission is connected with screw mandrel, and screw mandrel is connected with transmission device, transmission deviceBe provided with power set.
6. the method for the fixing centre of gyration of the inside and outside axle box axial location of the car wheel lathe that do not fall according to claim 5, its featureBe, described transmission device comprises worm gear, worm screw and gear, and gear driven worm screw is rotated, and worm and wheel connects, worm gearBe connected with screw mandrel.
7. the method for the fixing centre of gyration of the inside and outside axle box axial location of the car wheel lathe that do not fall according to claim 5, its featureBe, described power set are motor or hydraulic motor.
8. the method for the fixing centre of gyration of the inside and outside axle box axial location of the car wheel lathe that do not fall according to claim 5, its featureBe, described frame is provided with centralized lubricating system.
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