CN109687658A

CN109687658A - A kind of rotor axis of electric correction machine and bearing calibration

Info

Publication number: CN109687658A
Application number: CN201910068490.1A
Authority: CN
Inventors: 张绪国
Original assignee: Zhejiang Hongbo Automation Co Ltd
Current assignee: Liu Jian
Priority date: 2019-01-24
Filing date: 2019-01-24
Publication date: 2019-04-26
Anticipated expiration: 2039-01-24
Also published as: CN109687658B

Abstract

The present invention relates to a kind of rotor axis of electric correction machine and bearing calibrations, including casing, workbench, supporting table is symmetrically arranged on workbench, V-shaped groove is equipped at the top of supporting table, the side of supporting table is equipped with the first motor of the first thimble, the second thimble and the first thimble of driving and the rotation of the second thimble, the second motor, first motor, the second motor lower section be equipped with spring head, spring head contacts at the side wall of first motor, the second motor；Calibrated mount is additionally provided on workbench, calibrated mount is equipped with driving cylinder, the output shaft of cylinder is driven to be equipped with lower correction pressure head, detection device is additionally provided on workbench, detection device includes the sensing device for contacting at armature spindle outer body wall and output rotor shaft body bending data, is coupled to sensing device and for starting driving cylinder to drive correction pressure head towards the movement of rotor shaft body and stop the control device of first motor, the work of the second motor；The correction to rotor shaft body can be achieved in the present invention, improves the precision of rotor shaft body.

Description

A kind of rotor axis of electric correction machine and bearing calibration

Technical field

The present invention relates to the technical fields of correction machine, correct machine and bearing calibration more particularly, to a kind of rotor axis of electric.

Background technique

Common rotor axis of electric is as shown in Figure 1, include rotor shaft body, the both ends of the rotor shaft body symmetrically open up There is centre hole.

It is existing that above-mentioned rotor axis of electric is an important procedure during motor manufacturing in motor production process, But rotor axis of electric can be because axis and rotor core use the methods of cold pressing or hot jacket in assembling process in process of production Generated subtle flow bending, so that coupled equipment generates vibration at runtime when using motor product Etc. the factors of instability, cause complete set of equipments vibrating noise increase, the drawbacks such as service life reduction, it is therefore necessary to the motors to production Armature spindle is detected and is corrected, to improve the precision of rotor axis of electric.

Summary of the invention

The object of the present invention is to provide a kind of rotor axis of electric to correct machine, can generate the curved portion of deformation to rotor axis of electric Divide and be corrected, improves the precision of rotor axis of electric.

Foregoing invention purpose of the invention has the technical scheme that a kind of rotor axis of electric correction Machine is symmetrically arranged with supporting table, the top of the supporting table including casing, the workbench being set on casing on the workbench Portion offers the V-shaped groove for placing for rotor shaft body both ends, and the side of two supporting tables is horizontal respectively to be equipped with first Thimble, the second thimble, first thimble and the second thimble be used to enter along centre hole upper end and be embedded in centre hole with It drives rotor shaft body to be detached from the V-shaped groove, is additionally provided on the workbench and respectively drives first thimble and the second thimble The first motor of rotation, the second motor simultaneously；Calibrated mount is additionally provided on the workbench, the calibrated mount is equipped with driving gas Cylinder, the output shaft of the driving cylinder, which is equipped with, to be pressed in the rotor shaft body to the corrected school of rotor shaft body Positive pressure head；

Workbench between two supporting tables is equipped with detection device, and the detection device includes contacting at the armature spindle The sensing device of outer body wall and output rotor shaft body bending data is coupled to the sensing device and described for starting Driving cylinder with drive it is described correction pressure head move and stops towards the rotor shaft body first motor, the second motor work control Device processed, the control device include the starting module being set in V-shaped groove, are coupled to the sensing device to stop the first electricity Machine, the second motor work and drive the driving cylinder driving correction pressure head that the rotor shaft body is pushed to move in V-shaped groove And it triggers the controlling terminal of the starting module, be stored with the correction database corresponding to rotor shaft body bending data, coupling The selecting module of correction data needed for selecting in the starting module and in the correction database, the controlling terminal is controlled Continue to drive institute so that the correction data of selection to be loaded on in driving cylinder and be controlled the driving cylinder in the selecting module Stating correction pressure head pushes the rotor shaft body to corresponding correction value data to be corrected.

By using above-mentioned technical proposal, when needing to be corrected rotor axis of electric, by the both ends of rotor axis of electric After being placed on V-shaped groove, the first thimble and the second thimble are progressed into centre hole along the upper end position of centre hole, so that turning Sub- shaft body gradually moves upwards, until rotor shaft body completely disengages V after the first thimble and the second thimble fill up centre hole Shape slot, and since the first thimble with the second thimble is in horizontally disposed, so that the rotor shaft body being detached from after V-shaped groove is maintained at water Level state restarts first motor and drives the first thimble to rotate simultaneously with the second thimble with the second motor, later so that armature spindle Ontology is maintained at rotary state, in the course of rotation, since sensing device and the lateral wall of rotor shaft body are contradicted, one When there is curved position on the lateral wall of denier rotor shaft body circumferential direction, bending data is transferred to control eventually by sensing device End, controlling terminal triggering, first stops first motor and the second motor rotates, then to drive cylinder driving correction pressure head towards rotor Simultaneously drive rotor shaft body moves downward for shaft body movement, and spring head is shunk, until the both ends of rotor shaft body and V-shaped groove are mutual Starting module is triggered after contact to start to work, and to receive corresponding bending data value, and makes the correction of rotor shaft body to work as The location of preceding is zero point, and selecting module selects in correction database matching according to corresponding bending data value later Data be transferred to main control terminal, main control terminal makes to drive cylinder driving correction pressure after receiving the data after matching again Head moves downward data distance selected by selecting module, so that corresponding bending position is corrected in rotor shaft body, into And can realize the correction to rotor shaft body, improve the precision of rotor shaft body.

The present invention is further arranged to: the workbench positioned at the calibrated mount bottom is equipped with the first sliding rail, the correction Frame is equipped with the first sliding block slided along first sliding rail, is also threaded with the first screw rod, the work on the calibrated mount Make to be additionally provided with the third motor for driving the first screw rod rotation on platform.

It can when needing to carry out detection timing to the different location in rotor shaft body by using above-mentioned technical proposal The first screw rod is driven to be rotated by starting third motor, so that the first sliding block is slid along the first sliding rail, with band Dynamic calibrated mount moves between two supporting tables, in order to be corrected to the different location in rotor shaft body.

The present invention is further arranged to: the bottom of the first motor is equipped with fixed block, and the fixed block is fixedly connected on On workbench, the bottom of second motor is equipped with the second sliding block, and the workbench is equipped with for second sliding block sliding Second sliding rail, second sliding block are threaded with the second screw rod, and the workbench, which is equipped with, drives the second screw rod rotation The 4th motor.

By using above-mentioned technical proposal, when the rotor shaft body for needing to make is detached from V-shaped groove, the 4th electricity of starting can be passed through Machine drives the rotation of the second screw rod, so that the second sliding block drives the second motor and the second thimble to move towards supporting table, so that the second top Needle is entered in centre hole by the upper end of centre hole, and since first motor is fixed on the table by fixed block, and second Sliding block is during continuing sliding, it is easier that the first thimble enters in centre hole, and then can be by rotor shaft body from V-shaped groove Interior ejection.

The present invention is further arranged to: the spring head includes the conflict bullet being set on the fixed block and the second sliding block Spring is fixedly connected on the jacking block contradicted on spring, and the jacking block is pushed against in the first motor and the bottom of the second motor.

Bullet is contradicted during correction pressure head drive rotor shaft body moves downward by using above-mentioned technical proposal Spring is shunk, and is followed rotor shaft body with the first thimble of guarantee and the second thimble while being moved downward, and then can reduce by the first thimble With the second thimble to the obstruction of rotor shaft body.

The present invention is further arranged to: the sensing device includes the induction frame being set on the workbench, sliding company It is connected to the sensor block incuded in frame, is set to the sense to offset at the top of the sensor block and with the armature spindle outer body wall It answers head and is set to the sensor for being used for transmission rotor shaft body bending data on the induction frame, the bottom of the sensor block is set There is a reset spring, the other end of the reset spring is fixedly connected on the side wall of the induction frame, and the sensor block is towards institute The side for stating sensor is equipped with induction inclined-plane, and the covers disposed on sensor has the telescopic head to offset with the induction inclined-plane, the biography Sensor makes the telescopic head and the induction contact of incline plane and generates flexible length data conversion when sliding the sensor block For the bending data of the rotor shaft body.

By using above-mentioned technical proposal, when rotor shaft body is when being rotated, inductive head is outer with rotor shaft body Side wall keeps competing state, and sets since sensor block sliding is connected in induction frame, and on induction frame and sensor block Have reset spring so that inductive head encounter in rotor shaft body rotation process curved part in rotor shaft body be can be towards curved Movement, then returns the lateral wall of rotor shaft body in bent, so that sensor block moves up and down in induction frame, thus During this, induction inclined-plane equally moves up and down, and telescopic head is contradict with induction inclined-plane necessarily leading to contraction And the state of elongation, and will appear the length data of contraction or elongation so that sensor the length data is converted to it is curved Number of tracks evidence.

The present invention is further arranged to: being additionally provided with adjustable plate on the workbench, is opened along the vertical direction on the adjustable plate Equipped with several first connecting holes, several second connecting holes are offered on the induction frame, first connecting hole is connect with second Be equipped with the fastening screw induction frame being fixed on the adjustable plate in hole.

By using above-mentioned technical proposal, by being vertically arranged several first connecting holes on adjustable plate, so that needing to adjust When whole induction frame height, induction frame can be moved along the vertical direction of adjustable plate, make the second connecting hole and the first connecting hole later It is aligned and is fixed by fastening screw, so that sensing device is suitable for the rotor shaft body of different-diameter.

It is another object of the present invention to provide a kind of rotor axle bearing calibrations, can be improved to rotor axis of electric Correction accuracy.

Foregoing invention purpose of the invention has the technical scheme that a kind of rotor axis of electric correction side Method, comprising:

First thimble and the second thimble are entered in centre hole by the upper part of centre hole, are made by step 1, leveling step It obtains rotor shaft body to move upwards and be detached from V-shaped groove, guarantees armature spindle sheet to pass through horizontally disposed first thimble and the second thimble The initial rest position of body；

Step 2, detecting step, inductive head contact on the lateral wall of rotor shaft body, start first motor and the second motor band The sub- shaft body rotation of turn, inductive head makes sensor block generate the movement to move up and down after generating movement during rotation, stretches The length that drop-head and induction inclined-plane generate stretching motion is transferred to sensor, and sensor is armature spindle according to flexible length transition The bending data of ontology is simultaneously transferred to controlling terminal, and controlling terminal stops the work of first motor and the second motor, so that induction Head contacts at the bending position of rotor shaft body；

Step 3, aligning step, including adjustment initial zero position, controlling terminal stop the work of first motor and the second motor Afterwards, while making that cylinder driving correction pressure head is driven to move towards rotor shaft body and rotor shaft body is pressed to both ends and V-shaped groove Cell wall is just in contact, to complete the adjustment of the initial zero position corrected to rotor shaft body；

It further include that data accurately correct, triggering starting module works and receives corresponding curved after shaft body pushing is contacted with V-shaped groove Selecting module is transferred to after bent data value, later selecting module according to corresponding bending data value selected in correction database with Matched data be transferred to main control terminal, main control terminal makes to drive cylinder driving after receiving the data after matching again Correction pressure head moves downward distance value identical with the correction data chosen.

By using above-mentioned technical proposal, by the way that rotor shaft body deformation can be accurately obtained after leveling step and detecting step The data of bending part, then by adjusting initial zero position and data accurately correct with by the curved part of deformation according to bending Data accurately leveled.

In conclusion advantageous effects of the invention are as follows:

Rotor shaft body is moved to horizontality by the first thimble of setting and the second thimble, and is examined by the sensing device moment The bending part of rotor shaft body is surveyed, then correction pressure head is controlled by control device, accurate data school is carried out to rotor body Just, and then it can realize rotor shaft body is corrected, improve the precision of rotor shaft body.

Detailed description of the invention

Fig. 1 is the overall structure diagram of common rotor axis of electric.

Fig. 2 is the overall structure diagram of the embodiment of the present invention one.

Fig. 3 is the partial enlargement diagram of part A in Fig. 2.

Fig. 4 is the structural schematic diagram of sensing device in the embodiment of the present invention one

Fig. 5 is the schematic diagram of control device in the embodiment of the present invention one.

In figure, 1, rotor shaft body；2, centre hole；3, casing；4, workbench；5, supporting table；6, V-shaped groove；7, the first top Needle；8, the second thimble；9, first motor；10, the second motor；11, spring head；12, jacking block；13, spring is contradicted；14, calibrated mount； 15, cylinder is driven；16, pressure head is corrected；17, detection device；18, sensing device；181, incude frame；182, sensor block；183, feel Answer head；184, sensor；19, control device；20, starting module；21, controlling terminal；22, correction database；23, mould is selected Block；24, the first sliding rail；25, the first sliding block；26, the first screw rod；27, third motor；28, fixed block；29, the second sliding block；30, Second sliding rail；31, the second screw rod；32, the 4th motor；33, reset spring；34, incude inclined-plane；35, telescopic head；36, adjustable plate； 37, the first connecting hole；38, the second connecting hole；39, fastening screw.

Specific embodiment

Below in conjunction with attached drawing, invention is further described in detail.

Embodiment one:

It is that a kind of rotor axis of electric disclosed by the invention corrects machine, including casing 3, the work being set on casing 3 referring to Fig. 2 Platform 4.

The two sides of width direction are provided with the first sliding rail 24, two adjacent the first sliding rails along its length on workbench 4 Two second sliding rails 30 are equipped between 24, two second sliding rails 30 are equally arranged along the length direction of workbench 4；On workbench 4 It is additionally provided with calibrated mount 14, the top of calibrated mount 14 is equipped with driving cylinder 15, drives the output shaft of cylinder 15 towards 4 side of workbench To, and be fixedly connected with and press in rotor shaft body 1 to the corrected correction pressure head 16 of rotor shaft body 1, calibrated mount 14 bottom is fixedly connected with the first sliding block 25 that sliding is connected on the first sliding rail 24, and the bottom of calibrated mount 14 is also threadedly coupled There is the first screw rod 26 along the setting of 4 length direction of workbench, the side wall of workbench 4 is equipped with the of driving the first screw rod 26 rotation Three motors 27.

Referring to Fig. 2, Fig. 3, arranged symmetrically on two second sliding rails 30 there are two supporting tables 5, and the top of supporting table 5 offers V-shaped groove 6 for being placed for 1 both ends of rotor shaft body, close to the side wall position of 4 length direction of workbench on two second sliding rails 30 It sets and is additionally provided with fixed block 28 and the second sliding block 29, wherein fixed block 28 is fixedly connected on the second sliding rail 30, and the second sliding block 29 is sliding Shifting is connected on the second sliding rail 30, and the along the setting of 4 length direction of workbench is threaded on the side wall of the second sliding block 29 Two screw rods 31, the side wall of workbench 4 are equipped with the 4th motor 32 of driving the second screw rod 31 rotation.

Fixed block 28 is equipped with first motor 9, and the output shaft of first motor 9 is fixedly connected with towards 5 direction of supporting table In horizontally disposed first thimble 7, the second sliding block 29 is equipped with the second motor 10, and the output shaft of the second motor 10 is equally towards branch 5 direction of platform is supportted, and is fixedly connected in horizontally disposed second thimble 8；The both ends of rotor shaft body 1 are placed in V-shaped groove 6 Afterwards, the end of the first thimble 7 and the second thimble 8 far from first motor 9 and the second motor 10 is towards centre hole 2 far from workbench 4 upper end position, so that the first thimble 7 and the second thimble 8 can be via the upper ends of centre hole 2 during entering centre hole 2 Position enters, and rotor shaft body 1 is lifted out of V-shaped groove 6 and keeps horizontality.

Be provided with spring head 11 on fixed block 28 and the second sliding block 29, spring head 11 include be fixedly connected on fixed block 28 and Conflict spring 13 on second sliding block 29 is fixedly connected on and contradicts jacking block 12 of the spring 13 far from 4 one end of workbench, and jacking block 12 is carried on the back The side for being located in spring is pushed against in first motor 9 and the bottom of the second motor 10.

Referring to Fig. 2, Fig. 4, the workbench 4 between two supporting tables 5 is equipped with for the bending to rotor shaft body 1 The detection device 17 that data are detected, detection device 17 include contacting on 1 lateral wall of rotor shaft body and output rotor axis The sensing device 18 of 1 bending data of ontology is coupled to sensing device 18 and for starting driving cylinder 15 to drive correction pressure head 16 control devices 19 to work towards the movement of rotor shaft body 1 and stopping first motor 9, the second motor 10.

Adjustable plate 36 is additionally provided on workbench 4 between the first sliding rail 24 and the second sliding rail 30, adjustable plate 36 is same Length direction along workbench 4 is arranged, and sensing device 18 includes being set on adjustable plate 36 and extending between two supporting tables 5 Induction frame 181, sliding be connected in induction frame 181 sensor block 182, be set to the top of sensor block 182 and with armature spindle sheet Inductive head 183 that 1 lateral wall of body offsets is set to the sensor that 1 bending data of rotor shaft body is used for transmission on induction frame 181 184, sensor block 182 slide up and down along induction frame 181；The two sides of 182 bottom of sensor block are fixedly connected with reset spring 33, The other end of reset spring 33 is fixedly connected on the two sidewalls of induction frame 181, and two reset springs 33 are in vertically and symmetrically to set It sets, sensor block 182 is equipped with induction inclined-plane 34 towards the side of sensor 184, and induction inclined-plane 34 is along induction frame 181 to workbench 4 Direction is tilted down setting, and sensor 184 is equipped with the telescopic head to offset with induction inclined-plane 34 towards the side of sensor block 182 35。

In 1 rotation process of rotor shaft body, 183 moment of inductive head keeps the conflict with 1 lateral wall of rotor shaft body, once When generating curved part on inductive head 183 and rotor axis of electric lateral wall and contacting, reset spring 33 can extend and make sensor block 182 move upwards, and telescopic head 35 is to keep also extending with the conflict for incuding inclined-plane 34 at this time, and after bending part turns round, Reset spring 33 can shorten and move downward sensor block 182, and telescopic head 35 can shorten therewith at this time, so that telescopic head 35 Certain collapsing length is generated during moving with induction inclined-plane 34, and sensor 184 can be by telescopic head 35 and induction inclined-plane 34 Contact and generate the bending data that flexible length data is converted to rotor shaft body 1.

The position for corresponding to induction frame 181 on adjustable plate 36 is uniformly provided with several first connecting holes 37 along the vertical direction, Several second connecting holes 38 are offered on induction frame 181, frame will be incuded by being equipped in the first connecting hole 37 and the second connecting hole 38 181 are fixed on the fastening screw 39 on adjustable plate 36.

Referring to Fig. 2, Fig. 5, control device 19 includes the starting module 20 being set in V-shaped groove 6, is coupled to sensor 184 1 bending data of rotor shaft body is received to stop first motor 9, the work of the second motor 10 and the driving driving driving correction of cylinder 15 16 drive rotor shaft body 1 of pressure head moves in V-shaped groove 6 and triggers the controlling terminal 21 of starting module 20, is stored with and corresponds to The correction database 22 of 1 bending data of rotor shaft body is coupled to starting module 20 and selects and turn in correction database 22 The selecting module 23 of the corresponding correction data of sub- 1 bending data of shaft body, controlling terminal 21 are controlled by selecting module 23 with will The correction data of selection, which loads in driving cylinder 15 and controls driving cylinder 15, continues driving correction 16 drive rotor axis of pressure head Ontology 1, until rotor shaft body 1 continue the distance moved down it is identical as the correction value data of selection after, complete to armature spindle The correction of ontology 1.

Embodiment two:

A kind of rotor axle bearing calibration, comprising:

The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it It is interior.

Claims

1. a kind of rotor axis of electric corrects machine, including casing (3), the workbench (4) being set on casing (3), it is characterised in that: It is symmetrically arranged with supporting table (5) on the workbench (4), offers at the top of the supporting table (5) for for rotor shaft body (1) V-shaped groove (6) that both ends are placed, the side of two supporting tables (5) is horizontal respectively to be equipped with the first thimble (7), the second thimble (8), first thimble (7) and the second thimble (8) are used to enter along centre hole (2) upper end and be embedded in centre hole (2) To drive rotor shaft body (1) to be detached from the V-shaped groove (6), it is additionally provided on the workbench (4) and respectively drives first thimble (7) with the second thimble (8) simultaneously rotate first motor (9), the second motor (10), the first motor (9), the second motor (10) workbench (4) below is equipped with spring head (11), and the spring head (11) contacts at the first motor (9), second The side wall of motor (10)；It is additionally provided with calibrated mount (14) on the workbench (4), the calibrated mount (14) is equipped with driving cylinder (15), the output shaft of driving cylinder (15), which is equipped with, presses on the rotor shaft body (1) to rotor shaft body (1) Corrected correction pressure head (16)；

Workbench (4) between two supporting tables (5) is equipped with detection device (17), and the detection device (17) includes supporting It touches in rotor shaft body (1) lateral wall and the sensing device (18) of output rotor shaft body (1) bending data, is coupled to institute State sensing device (18) and for starting the driving cylinder (15) to drive the correction pressure head (16) towards the armature spindle sheet Body (1) movement and the control device (19) for stopping first motor (9), the second motor (10) work, control device (19) packet It includes the starting module (20) being set in V-shaped groove (6), be coupled to the sensing device (18) to stop first motor (9), second Motor (10) works and drives driving cylinder (15) driving correction pressure head (16) that the rotor shaft body (1) is pushed to move to In V-shaped groove (6) and triggers the controlling terminal (21) of the starting module (20), is stored with corresponding to rotor shaft body (1) bending The correction database (22) of data is coupled to the starting module (20) and selects required school in the correction database (22) The selecting module (23) of correction data, the controlling terminal (21) are controlled by correction data of the selecting module (23) will choose It loads in driving cylinder (15) and controls the driving cylinder (15) and continue that the correction pressure head (16) is driven to push described turn Sub- shaft body (1) is to corresponding correction value data to be corrected.

2. a kind of rotor axis of electric according to claim 1 corrects machine, it is characterised in that: be located at the calibrated mount (14) bottom The workbench (4) in portion is equipped with the first sliding rail (24), and the calibrated mount (14) is equipped with and slides along first sliding rail (24) First sliding block (25) is also threaded with the first screw rod (26) on the calibrated mount (14), is additionally provided with drive on the workbench (4) Move the third motor (27) of the first screw rod (26) rotation.

3. a kind of rotor axis of electric according to claim 1 corrects machine, it is characterised in that: the bottom of the first motor (9) Portion is equipped with fixed block (28), and the fixed block (28) is fixedly connected on workbench (4), and the bottom of second motor (10) is set Having the second sliding block (29), the workbench (4) is equipped with the second sliding rail (30) for second sliding block (29) sliding, and described the Two sliding blocks (29) are threaded with the second screw rod (31), and the workbench (4), which is equipped with, drives the second screw rod (31) rotation The 4th motor (32).

4. a kind of rotor axis of electric according to claim 3 corrects machine, it is characterised in that: the spring head (11) includes setting The conflict spring (13) being placed on the fixed block (28) and the second sliding block (29), the top being fixedly connected in conflict spring (13) Block (12), the jacking block (12) push against in the first motor (9) and the bottom of the second motor (10).

5. a kind of rotor axis of electric according to claim 1 corrects machine, it is characterised in that: the sensing device (18) includes The induction frame (181) that is set on the workbench (4), sliding be connected to sensor block (182) in induction frame (181), It is set to the inductive head (183) to offset at the top of the sensor block (182) and with rotor shaft body (1) lateral wall and is set to The sensor (184) of rotor shaft body (1) bending data is used for transmission on induction frame (181), the sensor block (182) Bottom is equipped with reset spring (33), and the other end of the reset spring (33) is fixedly connected on the side wall of induction frame (181) On, the sensor block (182) is equipped with towards the side of the sensor (184) incudes inclined-plane (34), on the sensor (184) Equipped with the telescopic head (35) to offset with induction inclined-plane (34), when the sensor (184) slides the sensor block (182) So that the telescopic head (35) is contacted with the induction inclined-plane (34) and is generated flexible length data and is converted to the armature spindle sheet The bending data of body (1).

6. a kind of rotor axis of electric according to claim 5 corrects machine, it is characterised in that: also set on the workbench (4) Have adjustable plate (36), offers several first connecting holes (37), the induction frame on the adjustable plate (36) along the vertical direction (181) offer several second connecting holes (38) on, be equipped in first connecting hole (37) and the second connecting hole (38) by Induction frame (181) is fixed on the fastening screw (39) on the adjustable plate (36).

7. a kind of rotor axle bearing calibration, it is characterised in that: include: