CN118090048A - Motor rotor balance detection device - Google Patents
Motor rotor balance detection device Download PDFInfo
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- CN118090048A CN118090048A CN202410524695.7A CN202410524695A CN118090048A CN 118090048 A CN118090048 A CN 118090048A CN 202410524695 A CN202410524695 A CN 202410524695A CN 118090048 A CN118090048 A CN 118090048A
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- 238000001514 detection method Methods 0.000 title claims abstract description 90
- 230000007246 mechanism Effects 0.000 claims abstract description 78
- 238000001125 extrusion Methods 0.000 claims description 68
- 238000009434 installation Methods 0.000 claims description 38
- 238000003825 pressing Methods 0.000 claims description 25
- 230000000087 stabilizing effect Effects 0.000 claims description 25
- 230000005856 abnormality Effects 0.000 claims description 13
- 239000011324 bead Substances 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims description 2
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- 244000309464 bull Species 0.000 claims 2
- 230000001681 protective effect Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 8
- 239000011521 glass Substances 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses a motor rotor balance detection device, which relates to the technical field of motor rotor detection and comprises a working bottom plate, wherein a movable protective frame is movably arranged at the upper end of the working bottom plate, an observation glass plate is arranged at the top end of the movable protective frame through bolts, and a moving mechanism comprises a fixed vertical plate which is arranged at the rear side of the top end of the working bottom plate through bolts. When the rotor with different rotating shaft sizes is detected, the detected rotor is fixed by the placing and fixing mechanism, the extruding limiting mechanism is started by the placing and fixing mechanism, so that the rotor is driven to rotate for balance detection, in the detection process, the rotor with different rotating shafts can be fixed, and the efficiency of the rotor in detection can be increased.
Description
Technical Field
The invention relates to the technical field of motor rotor detection, in particular to a motor rotor balance detection device.
Background
The motor rotor is also a rotating part in the motor, the motor consists of a rotor and a stator, the motor rotor is a conversion device for realizing electric energy and mechanical energy and electric energy, and balance needs to be detected in the production process of the rotor;
The common equilibrium detecting equipment is when the during operation, can not fix the rotor of equidimension pivot, just can't detect different rotors, will have the limitation problem when using to at the in-process that the rotor detected, if the rotor takes place unexpected condition and equilibrium is not high, lead to the rotor to take place strong vibrations, and can not be timely stabilize the rotor, and can not adjust the focus of work, will reduce the stability of whole equipment, lead to the emergence of unexpected condition.
Disclosure of Invention
The invention aims to provide a motor rotor balance detection device for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the motor rotor balance detection device comprises a working bottom plate, wherein a movable protective frame is movably arranged at the upper end of the working bottom plate, and an observation glass plate is arranged at the top end of the movable protective frame through bolts;
The moving mechanism comprises a fixed vertical plate, and the fixed vertical plate is arranged at the rear side of the top end of the working bottom plate through a bolt;
the stabilizing mechanism comprises movable support plates, collecting slots are formed in the front side and the rear side of the working bottom plate, two movable support plates are movably collected in the collecting slots, and a plurality of balls are movably mounted at the bottom end of each movable support plate;
The placing and fixing mechanism comprises a placing bottom ring sleeve and a limiting top ring sleeve, wherein the two placing bottom ring sleeves are respectively and movably arranged in the middle of two sides of the top end of the working bottom plate, the two limiting top ring sleeves are respectively and movably arranged at the upper end of the placing bottom ring sleeve, and a stabilizing slip ring is arranged in the middle of one side opposite to the two sides of the limiting top ring sleeve through bolts;
The lifting installation mechanism comprises movable installation rods and fixed cylinders, wherein the two fixed cylinders are respectively installed in the middle of two sides of the top end of the working bottom plate through bolts, and the two movable installation rods are respectively installed at the bottom ends of the bottom ring sleeves on two sides through bolts;
the buffer mechanism comprises porous valve heads, and the two porous valve heads are respectively arranged in the middle of two sides of the top end of the working bottom plate through bolts;
The fixing rack rod is arranged at the upper ends of the limiting top ring sleeves at the two sides, the bottom ends of the two sides of the fixing rack rod are connected with the opposite sides of the bottom ring sleeves at the two sides of the fixing rack rod through bolts, and the stabilizing slip ring is in sliding connection with the bottom ends of the two sides of the fixing rack rod;
The movable hack lever is arranged between the upper ends of the limit top ring sleeves at the two sides through bolts;
The damping mechanism comprises shrinkage air bags, and the two shrinkage air bags are arranged on two sides of the bottom end of the movable hack lever through bolts;
the extrusion limiting mechanism comprises moving notches, and the two moving notches are formed in the middle of one side opposite to the bottom end of the limiting top ring sleeve on two sides;
The abnormality detection mechanism comprises a detection frame head, and the detection frame head is installed in the middle of the bottom end of the movable frame rod through bolts.
Preferably, the moving mechanism further comprises a moving chute, a double-end pull rope and moving sliding blocks, wherein the two moving chute are arranged at two ends of the front side of the fixed vertical plate, the two moving sliding blocks are respectively slidably arranged at the bottom end of the inner side of the moving chute, the bottom ends of the moving sliding blocks are provided with jacking springs through bolts, the jacking springs are in compression states, the rear sides of the moving sliding blocks are provided with spring blocks through bolts, the rear sides of the moving sliding grooves are provided with limit round openings, the spring blocks are in embedded butt joint with the inner sides of the limit round openings, the double-end pull rope is arranged at the top end of the moving sliding block on the right side through bolts, and movable holes are formed in the rear sides of the inner cavities of the fixed vertical plates at the relative positions of the double-end pull rope.
Preferably, the stabilizing mechanism further comprises a moving notch, a pulling spring and a moving slide bar, wherein two moving notches are respectively formed in the middle of the opposite side of the inner part of the collecting notch on the front side and the rear side, two moving slide bars are respectively slidably mounted in the moving notches on the front side and the rear side, two pulling springs are respectively mounted on the opposite sides of the inner cavities of the moving notches on the front side and the rear side through bolts, one ends of the pulling springs, far away from the moving notches, are connected with one ends of the moving slide bars through bolts, the pulling springs are in a stretching state, and one ends of the double-end pull ropes, far away from the moving slide blocks, penetrate through movable holes and are connected with the moving slide bars.
Preferably, the placing and fixing mechanism further comprises a single-phase motor, arc-shaped rotating wheels, a movable pressing plate, an extrusion spring, a movable notch and an extrusion ejector rod, wherein the single-phase motor is installed at the middle part of the bottom end of the opposite side of the placing bottom ring sleeve at two sides through bolts respectively, a rotating rod is installed at the output end of the single-phase motor, the arc-shaped rotating wheels are installed in the inner cavity of the placing bottom ring sleeve through bearings respectively, one end, far away from the single-phase motor, of the rotating rod is connected with one side of the placing bottom ring sleeve at the bottom through bolts, the two movable pressing plates are movably arranged in the inner cavity of the limiting top ring sleeve respectively, the two movable notches are formed in two sides of the bottom end of the movable rack respectively, the bottom end of the extrusion ejector rod is connected with the top end of the movable pressing plate through bolts respectively, and the two extrusion springs are installed at the top end of the inner cavity of the movable notch through bolts respectively.
Preferably, the movable clamp plate is sideways looking and is the structure of falling V, movable clamp plate bottom movable mounting has a plurality of round beads, movable sliding port has been seted up at movable notch inner chamber bottom and spacing ejector sleeve inner chamber top middle part, movable protection frame right side is through the bolt mounting control panel, single-phase motor and control panel electric connection, movable mounting has a plurality of round beads all around on extrusion ejector pin top, the arc runner outside is the arc structure all around, both sides place the opposite side middle part upper end of bottom ring cover and have the direction swash plate through the bolt mounting, electric putter is installed through the bolt in the middle part in the fixed hack lever top, electric putter bottom is connected with the middle part in the removal hack lever top through the bolt, electric putter and control panel electric connection.
Preferably, the lifting installation mechanism further comprises an installation sliding block, a buffer spring, a movable limiting block, a servo motor, a collecting roller and a pulling rope, wherein the installation sliding block is respectively and slidably installed at the upper ends of inner cavities of fixed cylinders on two sides, the bottom ends of movable installation rods are connected with the top ends of the installation sliding blocks through bolts, the two buffer springs are respectively installed at the bottom ends of the inner cavities of the fixed cylinders through bolts, the servo motor is installed in the middle of the top end of a working bottom plate through bolts, the middle of the inner cavity of the working bottom plate is provided with a movable circular groove, the collecting roller is installed inside the movable circular groove through a bearing, the pulling rope is respectively wound outside the collecting roller, movable through holes are formed in two sides of the inner cavity of the working bottom plate, limiting circular openings are formed in the middle of one side opposite to the installation sliding block and the upper ends of the fixed cylinders, the two movable limiting blocks are respectively and are installed in the inner portions of the limiting circular openings in a jogging mode, and one end of the pulling rope far away from the collecting roller is connected with one side of the movable limiting block through the movable through holes.
Preferably, the buffer mechanism further comprises a buffer air bag, a movable plug and a conveying hole, wherein the two buffer air bags are respectively arranged on two sides of the top end of the working bottom plate through bolts, the two conveying holes are respectively formed in the porous valve heads, a limiting hole is formed in one side, far away from the buffer air bags, of the conveying holes, the two movable plugs are respectively embedded and arranged in the limiting hole, the movable plug is embedded in the conveying hole, and one end of the pulling rope is connected with the movable plug through bolts.
Preferably, the damping mechanism further comprises a connecting air pipe, a stabilizing slide rod and an extrusion arc plate, wherein the two connecting air pipes are respectively arranged at the top ends of the porous valve heads on two sides through bolts, the two extrusion arc plates are respectively arranged at the bottom ends of the shrinkage air bags through bolts, the two sides of the connecting air pipe are connected with the top ends of the shrinkage air bags on two sides, the shrinkage air bags are in shrinkage states, the four stabilizing slide rods are respectively arranged at the top ends of the two sides of the extrusion arc plates through bolts, the two sides of the movable rack rod are respectively provided with four sliding sleeves through bolts, and the top ends of the stabilizing slide rods penetrate through the inside of the sliding sleeves.
Preferably, the extrusion limiting mechanism further comprises a pull rope, a reset spring, a movable contact rod, a limiting extrusion block, a recovery spring and a movable through hole, wherein the two movable contact rods are slidably installed in movable notches on two sides, the two reset springs are installed on the top ends of inner cavities of the movable notches on two sides through bolts respectively, the two movable through holes are formed in the middle parts of opposite sides of inner cavities of the movable sliding holes on two sides, the two limiting extrusion blocks are respectively embedded and installed in the movable through hole, a rubber layer is installed at one end of each limiting extrusion block, which is close to each movable sliding hole, through bonding, a magnetic block is installed at one end of each limiting extrusion block, the two pull ropes are installed on the top ends of the movable contact rods on two sides through bolts respectively, and the top ends of the pull ropes penetrate through the top ends of the inner cavities of the movable notches to be connected with one side of each limiting extrusion block.
Preferably, the abnormality detection mechanism further comprises a mounting spring, a pressure detection switch and a detection ball, wherein the pressure detection switches are mounted on the periphery of the inner cavity of the detection frame head through bolts, the mounting spring is mounted on the bottom end of the inner cavity of the detection frame head through bolts, the detection ball is mounted on the top end of the mounting spring through bolts, and the pressure detection switch is electrically connected with the servo motor.
Compared with the prior art, the invention has the beneficial effects that:
When detecting the rotors with different rotating shaft sizes, the invention fixes the detected rotors by placing the fixing mechanism, starts the extrusion limiting mechanism by placing the fixing mechanism, drives the rotors to rotate for balance detection, can not only fix the rotors with different rotating shafts in the detecting process, but also increase the efficiency of detecting the rotors, thereby avoiding the situation that the detected rotors cannot be fixed when the rotors with different rotating shafts are detected, and the rotor is detected by covering the movable protective frame on the top end of the working bottom plate, thereby increasing the protection performance when the rotors are detected, avoiding the situation that the rotors are exposed to the outside when the rotors are detected, and the rotor detection results are in error caused by sundries touching when the rotors are detected;
The invention also triggers the abnormality detection mechanism to start the lifting installation mechanism through the abnormality detection mechanism, and starts the buffer mechanism through the lifting installation mechanism, and starts the buffer mechanism, thereby increasing the protection capability of the rotor and the contact extrusion of the rotor when the abnormality occurs, and slowly stopping the rotation of the rotor with abnormal rotation by increasing the friction force when the rotor contacts, so that the rotor with abnormal vibration is stabilized, the situation that the rotor is damaged due to toppling caused by overlarge vibration frequency of the rotor when the detected rotor is unexpected is avoided, and the rotor is continuously rotated and can not stop vibration when the abnormality occurs, so that the rotor generates vibration to collide with external solid objects to cause damage.
Drawings
FIG. 1 is a schematic view of an overall perspective structure according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a horizontal cross-section of the upper end of a work floor according to an embodiment of the present invention;
FIG. 3 is a side view horizontal block diagram of a work floor and a fixed vertical plate provided by an embodiment of the invention;
FIG. 4 is a block diagram of a fixed vertical plate provided by an embodiment of the present invention;
FIG. 5 is a block diagram of a horizontal cross section of a placement bottom collar and a spacing top collar provided by an embodiment of the present invention;
FIG. 6 is a perspective view of a movable platen according to an embodiment of the present invention;
FIG. 7 is a block diagram of a side view level of a placement base collar provided in an embodiment of the present invention;
FIG. 8 is an enlarged block diagram of FIG. 2A according to an embodiment of the present invention;
FIG. 9 is a block diagram illustrating a horizontal cross-section of the left side of the top end of a work floor provided by an embodiment of the invention;
Fig. 10 is an enlarged block diagram of fig. 5B according to an embodiment of the present invention.
In the figure: 1. a working bottom plate; 2. a moving mechanism; 201. fixing a vertical plate; 202. moving the chute; 203. double-end pull ropes; 204. moving the slide block; 3. a stabilizing mechanism; 301. a movable support plate; 302. a moving notch; 303. pulling the spring; 304. moving the slide bar; 4. placing a fixing mechanism; 401. placing a bottom ring sleeve; 402. a limiting top ring sleeve; 403. a single-phase motor; 404. an arc-shaped rotating wheel; 405. a movable pressing plate; 406. extruding a spring; 407. a movable notch; 408. extruding the ejector rod; 5. a lifting installation mechanism; 501. a movable mounting rod; 502. installing a sliding block; 503. a fixed cylinder; 504. a buffer spring; 505. a movable limiting block; 506. a servo motor; 507. a collection roller; 508. pulling the rope; 6. a buffer mechanism; 601. a buffer air bag; 602. a porous valve head; 603. a movable plug; 604. a delivery hole; 7. a damping mechanism; 701. connecting an air pipe; 702. a stabilizing slide bar; 703. deflating the balloon; 704. extruding an arc plate; 8. an extrusion limiting mechanism; 801. a pull rope; 802. a movement notch; 803. a return spring; 804. a movable contact lever; 805. limiting extrusion blocks; 806. recovering the spring; 807. a movable through hole; 9. an abnormality detection mechanism; 901. detecting a frame head; 902. installing a spring; 903. a pressure detection switch; 904. detecting a ball; 10. a movable protective frame; 11. a movable rack bar; 12. a fixing rack rod; 13. an electric push rod; 14. stabilizing the slip ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-10, the present invention provides a technical solution: the motor rotor balance detection device comprises a working bottom plate 1, wherein a movable protection frame 10 is movably arranged at the upper end of the working bottom plate 1, and an observation glass plate is arranged at the top end of the movable protection frame 10 through bolts;
the moving mechanism 2 comprises a fixed vertical plate 201, and the fixed vertical plate 201 is arranged at the rear side of the top end of the working bottom plate 1 through bolts;
The stabilizing mechanism 3 comprises movable support plates 301, collecting slots are formed in the front side and the rear side of the working bottom plate 1, the two movable support plates 301 are movably collected in the collecting slots, and a plurality of balls are movably arranged at the bottom ends of the movable support plates 301;
The placing and fixing mechanism 4 comprises a placing bottom ring sleeve 401 and a limiting top ring sleeve 402, wherein the two placing bottom ring sleeves 401 are respectively and movably arranged in the middle of two sides of the top end of the working bottom plate 1, the two limiting top ring sleeves 402 are respectively and movably arranged at the upper end of the placing bottom ring sleeve 401, and a stabilizing slip ring 14 is arranged in the middle of one side opposite to the two limiting top ring sleeves 402 through bolts;
the lifting installation mechanism 5 comprises a movable installation rod 501 and fixed cylinders 503, wherein the two fixed cylinders 503 are respectively arranged in the middle of two sides of the top end of the working bottom plate 1 through bolts, and the two movable installation rods 501 are respectively arranged at the bottom ends of the bottom ring placing sleeves 401 at two sides through bolts;
The buffer mechanism 6 comprises a porous valve head 602, and the two porous valve heads 602 are respectively arranged in the middle of the two sides of the top end of the working bottom plate 1 through bolts;
The fixing rack bar 12, the fixing rack bar 12 is arranged at the upper ends of the limiting top ring sleeves 402 at the two sides, the bottom ends of the two sides of the fixing rack bar 12 are connected with the opposite sides of the bottom ring sleeves 401 at the two sides by bolts, and the stabilizing slip ring 14 is in sliding connection with the bottom ends of the two sides of the fixing rack bar 12;
The movable hack lever 11 is arranged between the upper ends of the limit top ring sleeves 402 on two sides through bolts;
The damping mechanism 7, the damping mechanism 7 comprises shrinkage air bags 703, and the two shrinkage air bags 703 are arranged on two sides of the bottom end of the movable hack lever 11 through bolts;
The extrusion limiting mechanism 8, wherein the extrusion limiting mechanism 8 comprises a moving notch 802, and the two moving notches 802 are formed in the middle of the opposite side of the bottom end of the limiting top ring sleeve 402 on two sides;
The abnormality detection mechanism 9, the abnormality detection mechanism 9 includes a detection frame 901, and the detection frame 901 is mounted in the middle of the bottom end of the movable frame bar 11 by bolts.
The moving mechanism 2 further comprises moving sliding grooves 202, double-end pull ropes 203 and moving sliding blocks 204, wherein the two moving sliding grooves 202 are formed in two ends of the front side of the fixed vertical plate 201, the two moving sliding blocks 204 are respectively and slidably installed at the bottom ends of the inside of the moving sliding grooves 202, jacking springs are installed at the bottom ends of the moving sliding blocks 204 through bolts, the jacking springs are in a compressed state, spring blocks are installed at the rear sides of the moving sliding blocks 204 through bolts, limit round openings are formed in the bottom ends of the rear sides of the moving sliding grooves 202, the spring blocks are in embedded butt joint with the inside of the limit round openings, the double-end pull ropes 203 are installed at the top ends of the moving sliding blocks 204 on the right side through bolts, and movable holes are formed in the opposite positions of the rear sides of the inner cavities of the fixed vertical plate 201, so that when the movable protective frame 10 is pushed to move upwards, the moving sliding blocks 204 are driven to slide in the moving sliding grooves 202, and stability and flexibility of the movable protective frame 10 are increased;
The stabilizing mechanism 3 further comprises a moving notch 302, a pulling spring 303 and a moving slide bar 304, wherein the two moving notches 302 are respectively arranged in the middle of one opposite side of the inside of the collecting notch on the front side and the inside of the collecting notch on the rear side, the two moving slide bars 304 are respectively arranged in the moving notch 302 on the front side and the inside of the moving notch on the rear side in a sliding way, the two pulling springs 303 are respectively arranged on one opposite side of the inner cavity of the moving notch 302 on the front side and the rear side through bolts, one ends of the pulling springs 303 far away from the moving notch 302 are connected with one end of the moving slide bar 304 through bolts, the pulling springs 303 are in a stretching state, one ends of the double-ended pulling ropes 203 and the moving slide bars 204 are connected with the moving slide bar 304 through movable holes, so that when the movable protective frame 10 is pushed to move upwards, the moving slide blocks 204 are driven to slide in the moving slide grooves 202, stability and flexibility are improved when the moving protective frame 10 moves upwards, the double-ended pulling ropes 203 are in a loose state, and the moving slide bars 304 on the front side and the rear side are driven to move 304 to the opposite sides through the pulling springs 303 in the stretching state, and one ends of the moving slide bars 304 are pushed to move towards the moving sides, and one sides 301 on the sides far away from the side and the moving support plate in the side in the state are driven state, and the moving slide bar is driven to move side is contacted with the side and is contacted with the side 201 in the side in the vertical plate in the process and is in the stable in the process and is in the use;
The placing and fixing mechanism 4 further comprises a single-phase motor 403, arc-shaped rotating wheels 404, a movable pressing plate 405, a pressing spring 406, movable notch 407 and a pressing ejector rod 408, wherein the two single-phase motors 403 are respectively arranged at the middle parts of the bottom ends of the opposite sides of the placing bottom ring sleeve 401 at the two sides through bolts, the output end of the single-phase motor 403 is provided with a rotating rod, a plurality of arc-shaped rotating wheels 404 are respectively arranged in the inner cavity of the placing bottom ring sleeve 401 through bearings, one end of the rotating rod, far away from the single-phase motor 403, is connected with one side of the placing bottom ring sleeve 401 at the bottom end through bolts, the two movable pressing plates 405 are respectively movably arranged in the inner cavity of the limiting top ring sleeve 402, the two movable notch 407 are respectively arranged at the two sides of the bottom end of the movable rack rod 11, the two pressing ejector rods 408 are respectively arranged in the movable notch 407, the bottom end of the extrusion ejector rod 408 passes through the top end of the limiting top ring sleeve 402 and is connected with the top end of the movable pressing plate 405 through bolts, and two extrusion springs 406 are respectively arranged at the top end of the inner cavity of the movable notch 407 through bolts, so that when rotors of rotating shafts with different sizes are detected, the rotating shafts are placed inside the placing bottom ring sleeve 401, then the electric push rod 13 is started to drive the movable frame rod 11 to move downwards and drive the limiting top ring sleeve 402 to move downwards, when the limiting top ring sleeve 402 is in butt joint with the top end of the placing bottom ring sleeve 401, the top end of the movable pressing plate 405 is contacted with the top end of the rotating shaft, the extrusion ejector rod 408 is pushed upwards to move upwards, the extrusion springs 406 are extruded, and the bonding property of the movable pressing plate 405 when the movable pressing plate 405 is contacted with the rotating shaft is increased through the reaction force of the extrusion springs 406;
The side view of the movable pressing plate 405 is in an inverted V-shaped structure, a plurality of round beads are movably arranged at the bottom end of the movable pressing plate 405, a movable sliding port is formed in the middle of the bottom end of the inner cavity of the movable notch 407 and the top end of the inner cavity of the limiting top ring sleeve 402, a control panel is arranged on the right side of the movable protective frame 10 through bolts, a single-phase motor 403 is electrically connected with the control panel, a plurality of round beads are movably arranged around the top end of the extrusion top rod 408, the outer periphery of the arc-shaped rotating wheel 404 is in an arc-shaped structure, guide inclined plates are arranged at the upper ends of the middle parts of opposite sides of the two sides of the bottom ring sleeve 401, an electric push rod 13 is arranged at the middle parts of the top ends of the fixed frame rods 12 through bolts, the bottom ends of the electric push rod 13 are connected with the middle parts of the top ends of the movable frame rods 11 through bolts, and the electric push rod 13 is electrically connected with the control panel, so that when the movable pressing plate 405 contacts with a rotating shaft, the round beads are contacted with the outer part of the rotating shaft, and the round beads are driven to rotate when the rotating shaft rotates;
The lifting installation mechanism 5 further comprises an installation sliding block 502, buffer springs 504, movable limiting blocks 505, a servo motor 506, a collecting roller 507 and a pulling rope 508, wherein the two installation sliding blocks 502 are respectively and slidably installed at the upper ends of inner cavities of the fixed cylinders 503 on two sides, the bottom ends of the movable installation rods 501 are connected with the top ends of the installation sliding blocks 502 through bolts, the two buffer springs 504 are respectively installed at the bottom ends of the inner cavities of the fixed cylinders 503 through bolts, the servo motor 506 is installed in the middle of the top end of the working bottom plate 1 through bolts, a movable circular groove is formed in the middle of the inner cavity of the working bottom plate 1, the collecting roller 507 is installed in the movable circular groove through a bearing, the pulling rope 508 is wound outside the collecting roller 507, movable through holes are formed in two sides of the inner cavity of the working bottom plate 1, limiting circular openings are formed in the middle of the opposite sides of the two side installation sliding blocks 502 and the upper ends of the fixed cylinders 503, the two movable limiting blocks 505 are respectively and are installed in the inner parts of the limiting circular openings in a jogging mode, and one end of the pulling rope 508 far away from the collecting roller 507 passes through the movable through holes to one side of the movable limiting blocks 505;
The buffer mechanism 6 further comprises a buffer air bag 601, movable plugs 603 and conveying holes 604, wherein the two buffer air bags 601 are respectively arranged on two sides of the top end of the working bottom plate 1 through bolts, the two conveying holes 604 are respectively formed in the porous valve heads 602, limiting holes are formed in one sides, far away from the buffer air bags 601, of the conveying holes 604, the two movable plugs 603 are respectively embedded and arranged in the limiting holes, the movable plugs 603 are embedded in the conveying holes 604, and one end of the pulling rope 508 is connected with the movable plugs 603 through bolts;
The shock absorption mechanism 7 further comprises a connecting air pipe 701, a stabilizing slide bar 702 and extrusion arc plates 704, wherein the two connecting air pipes 701 are respectively arranged at the top ends of the porous valve heads 602 at the two sides through bolts, the two extrusion arc plates 704 are respectively arranged at the bottom ends of the shrinkage air bags 703 through bolts, the connecting air pipes 701 at the two sides are connected with the top ends of the shrinkage air bags 703 at the two sides, the shrinkage air bags 703 are in shrinkage states, the four stabilizing slide bars 702 are respectively arranged at the top ends of the two sides of the extrusion arc plates 704 through bolts, the two sides of the movable hack lever 11 are respectively provided with four sliding sleeves through bolts, the top ends of the stabilizing slide bars 702 penetrate through the inside of the sliding sleeves, thus the collecting roller 507 is started through the pressure detection switch 903 and the pulling rope 508 is wound up, the movable limiting blocks 505 at the two sides are driven to move towards the opposite sides, the movable limiting blocks 505 are separated from the inside of the limiting circular openings, the limiting force is lost by the installation sliding blocks 502, the bottom ring 401 and the movable installation rod 501 are moved downwards, and drive the installation slider 502 to move downwards to squeeze the buffer spring 504 to play a role of buffering, the gravity center of the rotor during detection is reduced, the stability during accident occurrence is increased, when the pull rope 508 moves, the movable plug 603 is driven to move, the inside of the porous valve head 602 is in a structure without blocking, when the rotor moves downwards, the rotor contacts and squeezes the upper end of the buffer air bag 601, further buffering protection is carried out on the rotor, and the air in the buffer air bag 601 is squeezed into the shrinkage air bag 703 through the connecting air pipe 701, so that the shrinkage air bag 703 expands and transfers the squeezing arc plate 704 to move downwards, the bottom end of the squeezing arc plate 704 contacts with the top end of the rotor, the protection capability of the rotor and the contact squeezing of the rotor are increased when abnormality occurs, and the rotor with abnormal rotation can be slowly stopped by increasing the friction force during the contact with the rotor, the rotor with abnormal vibration is stabilized, so that the situation that the rotor is damaged by dumping due to overlarge vibration frequency when the detected rotor is unexpected is avoided, and the rotor can not stop vibrating when abnormal vibration occurs, so that the rotor generates vibration to collide with external solid matters to cause damage;
The extrusion limiting mechanism 8 further comprises a pull rope 801, a return spring 803, a movable contact rod 804, a limiting extrusion block 805, a recovery spring 806 and a movable through hole 807, wherein the two movable contact rods 804 are slidably arranged in the movable concave recesses 802 on two sides, the two return springs 803 are respectively arranged at the top ends of inner cavities of the movable concave recesses 802 on two sides through bolts, the two movable through holes 807 are formed in the middle parts of opposite sides of inner cavities of the movable sliding holes on two sides, the two limiting extrusion blocks 805 are respectively embedded and arranged in the movable through holes 807, one ends of the limiting extrusion blocks 805 close to the movable sliding holes are provided with rubber layers through bonding, the inner ends of the rubber layers are internally provided with magnetic blocks, the two pull ropes 801 are respectively arranged at the top ends of the movable contact rods 804 on two sides through bolts, the top ends of the pull ropes 801 are connected with one side of the limiting extrusion blocks 805 through the top ends of the inner cavities of the movable concave recesses 802, when rotors with different rotating shaft sizes are detected, the rotating shaft is placed inside the placement bottom ring sleeve 401, the electric push rod 13 is started again to drive the movable rack rod 11 to move downwards, the limit top ring sleeve 402 is driven to move downwards, when the limit top ring sleeve 402 is butted with the top end of the placement bottom ring sleeve 401, the top end of the movable pressing plate 405 is contacted with the top end of the rotating shaft, the extrusion top rod 408 is pushed upwards to move upwards, the extrusion spring 406 is extruded, the adhesiveness of the movable pressing plate 405 when contacted with the rotating shaft is increased through the reaction force of the extrusion spring 406, when the limit top ring sleeve 402 moves towards the upper end of the placement bottom ring sleeve 401, the bottom end of the movable contact rod 804 is also contacted with the top end of the placement bottom ring sleeve 401, the movable contact rod 804 slides towards the upper end inside the movable notch 802, the reset spring 803 is extruded, the movable contact rod 804 is driven to move downwards through the reset spring 803 after the extrusion, when the movable contact rod 804 moves upwards, the pull rope 801 is in a loose state, the limit extrusion block 805 is driven to move to one side of the movable through hole 807 by the recovery spring 806 in a stretching state, the limit extrusion block 805 is embedded into the movable through hole 807 and is extruded by contact with the outside of the extrusion ejector rod 408, the moved extrusion ejector rod 408 is subjected to limit fixation, the movable pressing plate 405 after movement is subjected to limit fixation, the firmness of fixation of the rotating shaft is increased, when the fixation is completed, the single-phase motor 403 is started to drive the arc-shaped rotating wheel 404 at the bottom end to rotate, the rotating shaft is driven to rotate by the rotation of the arc-shaped rotating wheel 404, the rotor is driven to rotate for balance detection, in addition, in the detection process, the efficiency of the rotor in detection can be increased, the situation that the rotor in detection cannot be fixed by the rotating shaft when the rotor in different sizes is detected is avoided, and the rotor in detection is prevented from being exposed to the outside by covering the movable protective frame 10 at the top end of the working bottom plate 1, the situation when the rotor is detected, and if the rotor is touched with sundries during detection, the situation that the rotor is detected is caused;
The abnormality detection mechanism 9 further comprises a mounting spring 902, a pressure detection switch 903 and a detection ball 904, wherein the plurality of pressure detection switches 903 are mounted on the periphery of the inner cavity of the detection frame head 901 through bolts, the mounting spring 902 is mounted on the bottom end of the inner cavity of the detection frame head 901 through bolts, the detection ball 904 is mounted on the top end of the mounting spring 902 through bolts, and the pressure detection switch 903 is electrically connected with the servo motor 506, so that when the rotor is rotationally detected, frequent vibration can be generated if the balance of the rotor is not high, the movable frame rod 11 is driven to vibrate, the detection ball 904 is driven to vibrate through the mounting spring 902, the detection ball 904 collides with the pressure detection switch 903, and when the collision pressure reaches a preset pressure value, the pressure detection switch 903 is triggered.
Working principle: when the rotor with different rotating shaft sizes is detected, the rotating shaft is placed in the bottom placement ring sleeve 401, the electric push rod 13 is started to drive the movable rack rod 11 to move downwards and drive the limiting top ring sleeve 402 to move downwards, when the limiting top ring sleeve 402 is in butt joint with the top end of the bottom placement ring sleeve 401, the top end of the movable pressing plate 405 is contacted with the top end of the rotating shaft and pushes the extrusion ejector rod 408 upwards, the extrusion spring 406 is extruded, the counterforce of the extrusion spring 406 increases the fit of the movable pressing plate 405 when the movable pressing plate 405 is contacted with the rotating shaft, when the limiting top ring sleeve 402 moves towards the upper end of the bottom placement ring sleeve 401, the bottom end of the movable contact rod 804 is contacted with the top end of the bottom placement ring sleeve 401, the movable contact rod 804 slides towards the upper end of the inside of the movable notch 802, the reset spring 803 is extruded, the movable contact rod 804 is driven to move downwards and reset by the reset spring 803 after extrusion, when the movable contact rod 804 moves upwards, the stay rope 801 is in a loose state, and the recovery spring 806 in a stretched state drives the limit extrusion block 805 to move to one side of the movable through hole 807, so that the limit extrusion block 805 is embedded into the movable through hole 807 and is in contact extrusion with the outside of the extrusion ejector rod 408, the moved extrusion ejector rod 408 is limited and fixed, the moved movable pressing plate 405 is limited and fixed, the firmness of fixing the rotating shaft is improved, when the fixing is finished, the single-phase motor 403 is started to drive the arc-shaped rotating wheel 404 at the bottom end to rotate, the rotating shaft is driven to rotate through the rotation of the arc-shaped rotating wheel 404, the rotor is driven to rotate for balance detection, in the detection process, the rotor with different sizes can be fixed, the efficiency of the rotor in detection can be increased, and the rotor detection of the rotating shafts with different sizes is avoided, the rotor can not be fixed by the rotating shaft, the detected rotor can not be fixed, and the protection performance during rotor detection is improved by covering the movable protection frame 10 on the top end of the working bottom plate 1 during rotor detection, so that the situation that the rotor is exposed to the outside during rotor detection, and if the rotor is touched by sundries during detection, errors occur in the rotor detection result is avoided;
When the rotor is detected in a rotating way, if the balance of the rotor is not high, frequent vibration is generated, the movable frame rod 11 is driven to vibrate, the detection ball 904 is driven to vibrate by the installation spring 902, the detection ball 904 collides with the pressure detection switch 903, when the collided pressure reaches a preset pressure value, the pressure detection switch 903 is triggered, the collecting roller 507 is started by the pressure detection switch 903, the pulling rope 508 is wound, the movable limiting blocks 505 on two sides are driven to move towards the opposite sides, the movable limiting blocks 505 are separated from the inside of the limiting circular opening, the installation sliding block 502 loses the constraint force, the bottom ring 401 and the movable installation rod 501 are placed to move downwards, the installation sliding block 502 is driven to squeeze the buffer spring 504 to buffer the rotor, the gravity center of the rotor during detection is reduced, the stability during accidental contact is increased, when the movable plug 603 moves, the inside of the porous 602 is in a non-blocking structure, when the rotor moves downwards, the rotor contacts with the upper end of the buffer air bag 601, the rotor is further protected by buffering, the rotor is contacted with the upper end of the buffer air bag 601, the rotor is contacted with the inner part of the buffer air bag 701 through the connecting air pipe 701, the rotor is compressed into the inner part of the rotor, the rotor is compressed into the expansion plate 704 is further reduced, the abnormal contact with the rotor is prevented from generating a large contact with the rotor, the abnormal contact force is generated when the rotor is compressed down, the rotor is further compressed, the rotor is compressed into the rotor is stopped, and the abnormal contact plate is deformed, the rotor is deformed, the abnormal plate is deformed, and the rotor is deformed, when the rotor is rotated, and the rotor is deformed, and the rotor is in the case is in an abnormal contact is rotated, and the rotor and has a bottom plate is opened, the rotor can not stop vibrating when abnormal occurs, so that the rotor can vibrate to collide with external solid objects to damage the solid objects.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a motor rotor balance detection device, includes work bottom plate (1), work bottom plate (1) upper end activity is provided with activity protection frame (10), its characterized in that:
the moving mechanism (2), the moving mechanism (2) comprises a fixed vertical plate (201), and the fixed vertical plate (201) is arranged at the rear side of the top end of the working bottom plate (1);
The stabilizing mechanism (3), the stabilizing mechanism (3) comprises movable support plates (301), collecting slots are formed in the front side and the rear side of the working bottom plate (1), the two movable support plates (301) are movably collected in the collecting slots, and a plurality of balls are movably mounted at the bottom ends of the movable support plates (301);
The positioning and fixing mechanism (4), the positioning and fixing mechanism (4) comprises a positioning bottom ring sleeve (401) and a limiting top ring sleeve (402), the two positioning bottom ring sleeves (401) are respectively and movably arranged in the middle of two sides of the top end of the working bottom plate (1), the two limiting top ring sleeves (402) are respectively and movably arranged at the upper end of the positioning bottom ring sleeve (401), and a stabilizing slip ring (14) is arranged in the middle of one opposite side of each limiting top ring sleeve (402) through bolts;
The lifting installation mechanism (5), the lifting installation mechanism (5) comprises a movable installation rod (501) and fixed cylinders (503), the two fixed cylinders (503) are respectively installed at the middle parts of two sides of the top end of the working bottom plate (1), and the two movable installation rods (501) are respectively installed at the bottom ends of the bottom ring sleeves (401) on two sides;
The buffer mechanism (6) comprises porous valve heads (602), and the two porous valve heads (602) are respectively arranged in the middle of two sides of the top end of the working bottom plate (1);
The fixing rack rod (12), the fixing rack rod (12) is arranged at the upper ends of the limiting top ring sleeves (402) on two sides, the bottom ends of the two sides of the fixing rack rod (12) are connected with one side opposite to the bottom ring sleeves (401) on the two sides, and the stabilizing slip ring (14) is in sliding connection with the bottom ends of the two sides of the fixing rack rod (12);
The movable hack lever (11) is arranged between the upper ends of the limiting top ring sleeves (402) on the two sides through bolts;
The damping mechanism (7), the damping mechanism (7) comprises shrinkage air bags (703), and the two shrinkage air bags (703) are arranged at two sides of the bottom end of the movable hack lever (11);
The extrusion limiting mechanism (8), the extrusion limiting mechanism (8) comprises a moving notch (802), and the two moving notches (802) are formed in the middle of one side opposite to the bottom end of the limiting top ring sleeve (402) at two sides;
the device comprises an abnormality detection mechanism (9), wherein the abnormality detection mechanism (9) comprises a detection frame head (901), and the detection frame head (901) is arranged in the middle of the bottom end of the movable frame rod (11).
2. The motor rotor balance detection device according to claim 1, wherein: the moving mechanism (2) further comprises a moving chute (202), a double-end pull rope (203) and moving sliding blocks (204), wherein the two moving chute (202) are arranged at two ends of the front side of the fixed vertical plate (201), the two moving sliding blocks (204) are respectively and slidably arranged at the bottom end inside the moving chute (202), jacking springs are arranged at the bottom ends of the moving sliding blocks (204) through bolts, the jacking springs are in compression states, spring blocks are arranged at the rear sides of the moving sliding blocks (204) through bolts, limit round openings are formed in the bottom ends of the moving sliding grooves (202), the spring blocks are in embedded butt joint with the inner sides of the limit round openings, the double-end pull rope (203) is arranged at the top ends of the moving sliding blocks (204) on the right side through bolts, and movable holes are formed in the relative positions of the inner cavity rear sides of the fixed vertical plate (201) and located the double-end pull rope (203).
3. The motor rotor balance detection apparatus according to claim 2, wherein: the stabilizing mechanism (3) further comprises a moving notch (302), a pulling spring (303) and a moving slide bar (304), wherein two moving notches (302) are respectively formed in the middle of the opposite side of the inner part of the collecting notch on the front side and the rear side, two moving slide bars (304) are respectively slidably mounted in the moving notches (302) on the front side and the rear side, two pulling springs (303) are respectively mounted on the opposite sides of the inner cavities of the moving notches (302) on the front side and the rear side through bolts, one ends of the pulling springs (303) far away from the moving notches (302) are connected with one ends of the moving slide bars (304) through bolts, the pulling springs (303) are in a stretching state, and one ends of the double-end pull ropes (203) far away from the moving slide blocks (204) are connected with the moving slide bars (304) through movable holes.
4. The motor rotor balance detection device according to claim 1, wherein: place fixed establishment (4) still include single-phase motor (403), arc runner (404), movable clamp plate (405), extrusion spring (406), activity notch (407) and extrusion ejector pin (408), two single-phase motor (403) are installed respectively through the bolt in the opposite side bottom middle part of placing bottom ring cover (401) of both sides, the bull stick is installed to single-phase motor (403) output, a plurality of arc runner (404) are installed respectively through the bearing in place bottom ring cover (401) inner chamber, and the one end that single-phase motor (403) was kept away from to the bull stick is connected through bolt and bottom place bottom ring cover (401) one side, two movable clamp plate (405) are movable set up respectively in spacing top ring cover (402) inner chamber, two activity notch (407) are seted up respectively in removal hack lever (11) bottom both sides, two extrusion ejector pin (408) are set up respectively inside activity notch (407), extrusion ejector pin (408) bottom is passed spacing top ring cover (402) top and is connected through bolt and movable clamp plate (405) top, two extrusion spring (406) are installed respectively through movable clamp plate (407) top through bolt.
5. The motor rotor balance detection device according to claim 4, wherein: the movable pressing plate (405) is of an inverted V-shaped structure in a side view, a plurality of round beads are movably mounted at the bottom end of the movable pressing plate (405), a movable sliding port is formed in the middle of the bottom end of an inner cavity of the movable notch (407) and the top end of the inner cavity of the limiting jacking ring sleeve (402), a control panel is mounted on the right side of the movable protection frame (10) through bolts, a plurality of round beads are movably mounted on the periphery of the top end of the extrusion jacking rod (408), a guide inclined plate is mounted at the upper end of the middle of the opposite side of the placement jacking ring sleeve (401) through bolts, an electric push rod (13) is mounted at the middle of the top end of the fixing rack rod (12) through bolts, and the bottom end of the electric push rod (13) is connected with the middle of the top end of the movable rack rod (11) through bolts, and the electric push rod (13) is electrically connected with the control panel.
6. The motor rotor balance detection device according to claim 1, wherein: the lifting installation mechanism (5) further comprises an installation sliding block (502), a buffer spring (504), a movable limiting block (505), a servo motor (506), a collecting roller (507) and a pulling rope (508), wherein the installation sliding block (502) is respectively arranged at the upper ends of inner cavities of the fixed cylinders (503) on two sides in a sliding mode, the bottom ends of the movable installation rods (501) are connected with the top ends of the installation sliding blocks (502) through bolts, the buffer spring (504) is respectively arranged at the bottom ends of the inner cavities of the fixed cylinders (503) through bolts, the servo motor (506) is arranged at the middle of the top end of the working bottom plate (1) through bolts, the movable circular groove is formed in the middle of the inner cavity of the working bottom plate (1), the collecting roller (507) is arranged inside the movable circular groove through a bearing, the pulling rope (508) is respectively wound on the outer portions of the collecting roller (507), the two sides of the inner cavity of the working bottom plate (1) are respectively provided with a limiting circular opening, the two opposite side middle portions of the installation sliding blocks (502) are respectively arranged at the upper ends of the fixed cylinders (503), and the two movable limiting blocks (505) are respectively embedded in the limiting circular opening respectively, and the movable limiting block (505) and one end of the movable limiting block (508) is far away from the movable circular opening (508).
7. The motor rotor balance detection apparatus according to claim 6, wherein: the buffer mechanism (6) further comprises a buffer air bag (601), a movable plug (603) and conveying holes (604), wherein the two buffer air bags (601) are respectively arranged on two sides of the top end of the working bottom plate (1) through bolts, the two conveying holes (604) are respectively arranged inside the porous valve head (602), one side, far away from the buffer air bag (601), of the conveying holes (604) is provided with a limiting hole, the two movable plugs (603) are respectively embedded and arranged inside the limiting hole, the movable plugs (603) are embedded and arranged inside the conveying holes (604), and one end of the pulling rope (508) is connected with the movable plugs (603) through bolts.
8. The motor rotor balance detection apparatus according to claim 7, wherein: the shock absorption mechanism (7) further comprises a connecting air pipe (701), a stabilizing slide rod (702) and extrusion arc plates (704), wherein the two connecting air pipes (701) are respectively arranged at the top ends of the porous valve heads (602) on two sides through bolts, the two extrusion arc plates (704) are respectively arranged at the bottom ends of the shrinkage air bags (703) through bolts, the two sides of the connecting air pipe (701) are respectively connected with the top ends of the shrinkage air bags (703) on two sides, the shrinkage air bags (703) are in a shrinkage state, the four stabilizing slide rods (702) are respectively arranged at the top ends of the two sides of the extrusion arc plates (704) through bolts, the four sliding sleeves are respectively arranged at the two sides of the movable hack lever (11) through bolts, and the top ends of the stabilizing slide rods (702) penetrate through the inside of the sliding sleeves.
9. The motor rotor balance detection apparatus according to claim 5, wherein: the extrusion limiting mechanism (8) further comprises a pull rope (801), a reset spring (803), a movable contact rod (804), a limiting extrusion block (805), a recovery spring (806) and a movable through hole (807), wherein the two movable contact rods (804) are slidably installed inside movable concave holes (802) on two sides, the two reset springs (803) are installed on the top ends of inner cavities of the movable concave holes (802) on two sides through bolts respectively, the two movable through holes (807) are formed in the middle parts of the opposite sides of inner cavities of the movable sliding holes on two sides, the two limiting extrusion blocks (805) are respectively embedded and installed inside the movable through holes (807), a rubber layer is installed at one end, close to the movable sliding holes, of each limiting extrusion block (805) through bonding, a magnetic block is installed inside each rubber layer, the two pull ropes (801) are installed on the top ends of the movable contact rods (804) on two sides through bolts respectively, and the top ends of the pull rope (801) penetrate through the inner cavities of the movable concave holes (802) to be connected with one side of the limiting extrusion block (805).
10. The motor rotor balance detection apparatus according to claim 6, wherein: the anomaly detection mechanism (9) further comprises a mounting spring (902), a pressure detection switch (903) and detection balls (904), the pressure detection switches (903) are mounted on the periphery of an inner cavity of the detection frame head (901) through bolts, the mounting spring (902) is mounted on the bottom end of the inner cavity of the detection frame head (901) through bolts, the detection balls (904) are mounted on the top ends of the mounting springs (902) through bolts, and the pressure detection switches (903) are electrically connected with the servo motor (506).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410524695.7A CN118090048A (en) | 2024-04-29 | 2024-04-29 | Motor rotor balance detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410524695.7A CN118090048A (en) | 2024-04-29 | 2024-04-29 | Motor rotor balance detection device |
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| CN118090048A true CN118090048A (en) | 2024-05-28 |
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| CN202410524695.7A Pending CN118090048A (en) | 2024-04-29 | 2024-04-29 | Motor rotor balance detection device |
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| CN117664706A (en) * | 2024-01-31 | 2024-03-08 | 山东展宏工程检测鉴定有限公司 | Quick-positioning concrete pressure detection equipment |
| CN117696214A (en) * | 2024-02-04 | 2024-03-15 | 哈尔滨恒利玻璃制品有限公司 | Production process of special green glass bottle for beer |
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| WO2013018520A1 (en) * | 2011-07-29 | 2013-02-07 | 電子精機工業株式会社 | Method for correcting balance of rotor, and correcting device |
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