CN114977689B - Accurate calibration device and calibration method for multi-pole magnetic ring and motor main rotor - Google Patents
Accurate calibration device and calibration method for multi-pole magnetic ring and motor main rotor Download PDFInfo
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- CN114977689B CN114977689B CN202210901640.4A CN202210901640A CN114977689B CN 114977689 B CN114977689 B CN 114977689B CN 202210901640 A CN202210901640 A CN 202210901640A CN 114977689 B CN114977689 B CN 114977689B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
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- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses an accurate calibration device of a multi-pole magnetic ring and a motor main rotor, which comprises a supporting seat, wherein the supporting seat comprises a supporting cylinder, a movable sleeve is sleeved on the supporting cylinder, a vertical cylinder is arranged at the upper part of the movable sleeve, an adjusting cylinder for adjusting the distance between the vertical cylinder and the movable sleeve is arranged between the vertical cylinder and the movable sleeve, four rectangular holes which are distributed annularly are arranged on the outer circumferential surface of the supporting cylinder, a cross-shaped support is arranged on the inner wall of the movable sleeve and penetrates through the four rectangular holes to be connected with the inner wall of the movable sleeve, an annular block is arranged at the lower part of the vertical cylinder, the inner circumference of the annular block extends downwards to form a supporting ring, a clamping shaft assembly is arranged in the supporting ring, and the clamping shaft assembly comprises a circular block which is rotatably arranged at the lower part of the supporting ring. The invention can synchronously realize the synchronous close of the wedge-shaped clamping blocks in the clamping shaft assembly, ensures the concentricity of clamping, is efficient, convenient and quick, is convenient to install and disassemble, and can quickly reflect the magnetic pole distribution condition of the multi-pole magnetic ring so as to align and calibrate.
Description
Technical Field
The invention relates to the technical field of motor rotor calibration, in particular to an accurate calibration device and method for a multi-pole magnetic ring and a motor main rotor.
Background
A motor rotor: also a rotating part in the motor. The motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy. The motor rotor is divided into a motor rotor and a generator rotor, and the motor rotor is divided into an inner rotor rotation mode and an outer rotor rotation mode. The inner rotor rotates in such a way that a core body in the middle of the motor is a rotating body, and torque (referred to as a motor) is output or energy is input (referred to as a generator). The rotor of the brushless direct current motor is formed by embedding permanent magnets with certain pole pairs on the surface of an iron core or in the iron core. The permanent magnet is mainly made of rare earth permanent magnet materials with high coercive force and high permeability magnetic induction density, such as neodymium iron boron. The action of the permanent magnetic steel of the rotor is similar to that of the permanent magnetic steel used by the brush motor, and an enough magnetic field is established in the air gap of the motor. The rotor structure of the brushless dc motor mostly adopts a surface-bonded magnetic pole, also called a tile-shaped magnetic pole. The surface-adhered magnetic pole is that tile-shaped rare earth permanent magnets which are magnetized in the radial direction are adhered to the outer surface of an iron core, and the air gap flux density in the form of square waves can be obtained through reasonable design.
The existing calibration equipment has single function, is inconvenient to clamp and disassemble a motor spindle, and cannot well ensure the clamping concentricity, so that the precise calibration device and the precise calibration method for the multipole magnetic ring and the motor main rotor are provided.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides an accurate calibration device and a calibration method for a multi-pole magnetic ring and a motor main rotor.
The invention provides an accurate calibration device of a multi-pole magnetic ring and a motor main rotor, which comprises a supporting seat, wherein the supporting seat comprises a supporting cylinder, a movable sleeve is sleeved on the supporting cylinder, a vertical cylinder is arranged at the upper part of the movable sleeve, an adjusting cylinder for adjusting the distance between the vertical cylinder and the movable sleeve is arranged between the vertical cylinder and the movable sleeve, four rectangular holes which are distributed annularly are arranged on the outer circumferential surface of the supporting cylinder, a cross-shaped support is arranged on the inner wall of the movable sleeve and penetrates through the four rectangular holes to be connected with the inner wall of the movable sleeve, an annular block is arranged at the lower part of the vertical cylinder, the inner circumference of the annular block extends downwards to form a supporting ring, a clamping shaft assembly is arranged in the supporting ring and comprises a round block which is rotatably arranged at the lower part of the supporting ring, a rectangular slideway which is distributed annularly is arranged on the round block, a round hole which is communicated with the rectangular slideway is arranged at the middle position of the round block, a wedge-shaped clamping block is arranged in the rectangular slideway in a sliding manner, an outer toothed ring is coaxially arranged at the lower part of the round block, and a power assembly for driving the outer toothed ring to rotate is arranged in the adjusting cylinder;
the inner wall of the supporting cylinder is rotatably provided with a locking ring, and the lower part of the wedge-shaped clamping block penetrates through an inner hole of the locking ring;
a locking assembly is arranged in the vertical cylinder, the locking assembly comprises an inner sleeve ring and an outer sleeve ring which are respectively sleeved on the inner side and the outer side of the vertical cylinder, the upper parts of the outer sleeve ring and the inner sleeve ring are fixedly connected, the inner wall of the inner sleeve ring is provided with an annular bulge, the upper surface of the inner sleeve ring is provided with arc-shaped clamping blocks which are distributed annularly, and the outer sleeve ring is provided with a linkage assembly for realizing the rotation of the arc-shaped clamping blocks;
the locking assembly upper portion is provided with a detection cylinder, the outer periphery of detection cylinder is provided with the arc support, arc support lower part and annular piece upper surface fixed connection, the arc support outer peripheral face is provided with the mounting hole along radial extension, and is provided with magnetic pole detection sensor in the mounting hole, connects signal transmitter with magnetic pole detection sensor to connect the PC end with the changer, can take notes the magnetic pole distribution condition on the multistage magnetic ring.
As a further optimization of the technical scheme, the precise calibration device for the multi-pole magnetic ring and the motor main rotor comprises a power assembly and a power assembly, wherein the power assembly comprises a support arranged on the inner side of an adjusting cylinder, a motor is fixed on the lower portion of the support, a gear is fixed on an output shaft of the motor, the output shaft of the motor penetrates through the top of the support, and the gear is meshed with an external gear ring.
In this preferred scheme, the motor work, can drive gear rotation, the gear drives outer ring gear and circle piece and rotates together, thereby it rotates together to drive the motor spindle of centre gripping on the clamp axle subassembly, in order to conveniently carry out the concentricity detection to the motor spindle, in the concentricity testing process, install amesdial or percentage table on special stand, and with the detection head contact motor spindle of amesdial or percentage table, feedback motor spindle rotates the in-process concentricity condition, with the detection head and the multistage magnetic ring surface contact of amesdial or percentage table, the concentricity condition of multistage magnetic ring can be fed back.
As a further optimization of the technical scheme, in the device for accurately calibrating the multi-pole magnetic ring and the motor main rotor, the linkage assembly comprises a linkage sleeve rotatably arranged on the outer sleeve ring, a rotary rod is arranged on the outer peripheral surface of the linkage sleeve along the radial direction, the top of the linkage sleeve is coaxially provided with the linkage ring, the lower part of the linkage ring is provided with trigger columns annularly distributed, and the trigger columns are arranged between the arc-shaped clamping blocks and the inner wall of the inner sleeve ring.
According to the device for accurately calibrating the multi-pole magnetic ring and the motor main rotor, the wedge-shaped clamping block is of a trapezoid structure, and the lower part of the outer side of the wedge-shaped clamping block is of an inclined plane structure.
In the preferred scheme, when the relative positions of the wedge-shaped clamping blocks and the locking ring are changed, the locking ring acts on the inclined surfaces of the wedge-shaped clamping blocks to push the wedge-shaped clamping blocks to be synchronously close, and a motor spindle arranged between the wedge-shaped clamping blocks can be clamped and fixed.
As a further optimization of the technical scheme, according to the precise calibration device for the multi-pole magnetic ring and the motor main rotor, a calibration assembly is arranged at the upper part of the detection cylinder and comprises an arc-shaped groove strip which is slidably arranged at the upper edge of the detection cylinder, a semicircular cover plate is arranged at the upper part of the arc-shaped groove strip, the semicircular cover plate and the arc-shaped groove strip are hinged, a semicircular hole is formed in the axis of the semicircular cover plate, a through hole is formed in the position, close to the outer edge, of the semicircular cover plate, a rotating column is rotatably arranged in the through hole, a magnetic strip is arranged at the bottom of the rotating column, a pointing mark is arranged at the upper part of the rotating column, the pointing mark is arranged along the radial direction of the rotating column, and the pointing mark is perpendicular to one magnetic pole face of the magnetic strip.
According to the device for accurately calibrating the multi-pole magnetic ring and the main rotor of the motor, the annular connecting part extending outwards is arranged at the lower part of the supporting cylinder, and semicircular notches distributed annularly are arranged on the annular connecting part.
According to the precise calibration device for the multi-pole magnetic ring and the motor main rotor, a hinge block is arranged on the outer circumferential surface of the arc-shaped groove strip, a hinge seat is arranged on the semicircular cover plate, and the hinge block is hinged with the hinge seat.
As a further optimization of the technical scheme, according to the device for accurately calibrating the multi-pole magnetic ring and the main rotor of the motor, the inner side of the adjusting cylinder is provided with the internal thread, the outer circumferential surface of the movable sleeve is provided with the external thread, and the adjusting cylinder is in threaded connection with the movable sleeve.
As a further optimization of the technical scheme, according to the device for accurately calibrating the multi-pole magnetic ring and the motor main rotor, an outward trapezoidal protrusion is arranged at one end, away from the annular protrusion, of the outer arc surface of the arc-shaped clamping block, rubber anti-slip strips are arranged on the inner arc surface of the arc-shaped clamping block, and anti-slip teeth distributed at equal intervals are arranged on the rubber anti-slip strips.
The calibration method of the precise calibration device of the multi-pole magnetic ring and the motor main rotor comprises the following steps:
s1: the equipment is fixed, and the calibrating device is fixedly connected to a proper working table surface through semicircular notches which are arranged on the annular connecting part and distributed in an annular manner;
s2: the concentricity detection comprises the steps of inserting a motor spindle between a plurality of wedge-shaped clamping blocks, adjusting the position of a clamping shaft assembly by rotating an adjusting cylinder, and finally matching with a movable sleeve to realize the clamping of a locking ring on the wedge-shaped clamping blocks;
s3: magnetic pole detection, namely adjusting the clamping position of a motor spindle to enable a multi-pole magnetic ring to be arranged in a detection cylinder, then driving the motor spindle and the multi-pole magnetic ring to rotate together by controlling the rotation of a motor and matching with an external gear ring and a gear, and detecting the magnetic pole distribution condition of the peripheral surface of the multi-pole magnetic ring through a magnetic pole detection sensor;
s4: the magnetic ring is calibrated, through the arranged magnetic strip, when the outer circumferential magnetic pole of the multi-pole magnetic ring is different from the magnetic pole of the magnetic strip, the magnetic strip can be pushed to turn over, so that the rotating column and the indicator are driven to rotate, the magnetic pole condition of the corresponding position of the multi-pole magnetic ring is visually indicated, the arranged semicircular cover plate is convenient to refer to the multi-pole magnetic ring, a marking pen is used for marking along the straight line side of the semicircular cover plate, the position of the multi-pole magnetic ring can be recorded, then the annular block is grasped, the rotating rod is rotated, in the rotating process of the rotating rod, the linkage sleeve is driven to rotate, so that the triggering column is driven to rotate, the triggering column is matched with the trapezoidal bulges on the outer circumferential surface of the arc-shaped clamping blocks in the rotating process of the triggering column, the plurality of arc-shaped clamping blocks are synchronously drawn inwards, the multi-pole magnetic ring is rapidly clamped, the rotating rod is continuously rotated, the multi-pole magnetic ring can be driven to rotate relative to a motor spindle to a certain degree, the adjustment of the multi-pole magnetic ring is realized, and the marking pen can mark along the straight line side of the semicircular cover plate after the adjustment is finished.
In conclusion, the beneficial effects of the invention are as follows:
1. the invention provides an accurate calibration device and a calibration method of a multi-pole magnetic ring and a motor main rotor, wherein the device can synchronously realize the synchronous approaching of wedge-shaped clamping blocks in a clamping shaft assembly through a locking ring arranged in the matching way of the clamping shaft assembly, the concentricity of clamping is ensured, the device is efficient, convenient and fast, convenient to install and disassemble, the device can realize the rapid clamping and matching with a shaft of the motor main rotor, meanwhile, a power assembly arranged in the matching way can drive the clamping shaft assembly to rotate so as to drive the motor main rotor to rotate, the concentricity of the motor main rotor is convenient to observe, meanwhile, a magnetic pole detection sensor arranged in the matching way can detect the magnetic pole distribution condition of the multi-pole magnetic ring of the motor main shaft in the rotating process, and the up-and-down moving space of a movable sleeve can be adjusted through an adjusting cylinder, so that the diameter of the motor main shaft which can be clamped by the clamping shaft assembly can be adjusted.
2. The invention provides a precise calibration device and a precise calibration method for a multi-pole magnetic ring and a motor main rotor, wherein the arc-shaped clamping blocks in a locking assembly can be synchronously drawn together by the locking assembly and the linkage sleeve, the multi-pole magnetic ring arranged on the inner side of an inner sleeve ring can be clamped in the single-phase rotation process of the linkage sleeve, the linkage sleeve is continuously rotated, the multi-pole magnetic ring can be driven to rotate relative to a motor main shaft, and therefore the multi-pole magnetic ring is calibrated.
Drawings
Fig. 1 is a schematic structural diagram of an entire device for precisely calibrating a multi-pole magnetic ring and a main rotor of a motor according to the present invention;
fig. 2 is a schematic structural diagram of a section of a precise calibration device for a multi-pole magnetic ring and a main rotor of a motor according to the present invention;
FIG. 3 is a schematic structural diagram of a support seat of the precise calibration device for a multi-pole magnetic ring and a main rotor of a motor according to the present invention;
FIG. 4 is a schematic structural diagram of a vertical cylinder and a clamping shaft assembly of the precise calibration device for a multi-pole magnetic ring and a motor main rotor, which is provided by the invention;
FIG. 5 is a schematic structural diagram of a vertical cylinder and a detection cylinder of the device for precisely calibrating a multi-pole magnetic ring and a main rotor of a motor, which is provided by the invention;
fig. 6 is an exploded view of the coupling sleeve and the locking assembly of the precise calibration device of the multi-pole magnetic ring and the main rotor of the motor according to the present invention;
fig. 7 is an exploded view of the calibration assembly of the precise calibration device for the multi-pole magnetic ring and the main rotor of the motor according to the present invention.
In the figure: 1. a supporting seat; 101. a support cylinder; 102. an annular connecting portion; 103. a rectangular hole; 104. locking ring; 2. a movable sleeve; 201. a cross-shaped bracket; 3. an adjusting cylinder; 4. a vertical cylinder; 401. an annular block; 402. a support ring; 5. a locking assembly; 501. an outer collar; 502. an inner collar; 503. an annular projection; 504. an arc-shaped clamping block; 6. a linkage sleeve; 601. a link ring; 602. rotating the rod; 603. a trigger post; 7. a detection cylinder; 701. a magnetic pole detection sensor; 702. an arc-shaped bracket; 8. calibrating the component; 801. a semicircular cover plate; 802. arc-shaped groove strips; 803. a magnetic strip; 804. a semicircular hole; 805. a hinged block; 806. a hinged seat; 807. a spin column; 808. a beacon; 9. a clamp shaft assembly; 901. a wedge-shaped clamping block; 902. an outer gear ring; 10. a gear; 11. a support; 12. an electric motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 7 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the device and the method for accurately calibrating the multi-pole magnetic ring and the main rotor of the motor comprise a supporting seat 1, wherein the supporting seat 1 comprises a supporting cylinder 101, a movable sleeve 2 is sleeved on the supporting cylinder 101, a vertical cylinder 4 is arranged on the upper portion of the movable sleeve 2, an adjusting cylinder 3 for adjusting the distance between the vertical cylinder 4 and the movable sleeve 2 is arranged between the vertical cylinder 4 and the movable sleeve 2, an annular block 401 is arranged on the lower portion of the vertical cylinder 4, anti-slip lines distributed in an annular shape are arranged on the outer circumference of the annular block 401, the inner circumference of the annular block 401 extends downwards to form a supporting ring 402, a clamping shaft assembly 9 is arranged in the supporting ring 402, the clamping shaft assembly 9 comprises a circular block rotatably arranged on the lower portion of the supporting ring 402, a rectangular slide distributed in an annular shape is arranged on the circular block, a circular hole communicated with the rectangular slide is arranged in the middle of the circular block, a wedge-shaped clamping block 901 is arranged in the rectangular slide, an outer toothed ring 902 is coaxially arranged on the lower portion of the circular block, and a power assembly for driving the outer toothed ring 902 to rotate is arranged in the adjusting cylinder 3.
Referring to the attached drawings, the power assembly comprises a support 11 arranged on the inner side of the adjusting cylinder 3, a motor 12 is fixed on the lower portion of the support 11, a gear 10 is fixed on an output shaft of the motor 12, the gear 10 is meshed with an outer toothed ring 902, the motor 12 works and can drive the gear 10 to rotate, the gear 10 drives the outer toothed ring 902 and a circular block to rotate together, so that a motor spindle clamped on the clamping shaft assembly 9 is driven to rotate together, concentricity detection is conveniently performed on the motor spindle, in the concentricity detection process, a dial indicator or a dial indicator is installed on a special support, a detection head of the dial indicator or the dial indicator is in contact with the motor spindle, the concentricity condition in the rotation process of the motor spindle is fed back, and the detection head of the dial indicator or the dial indicator is in contact with the surfaces of the multi-stage magnetic rings, so that the concentricity condition of the multi-stage magnetic rings can be fed back.
Referring to the attached drawings, the inner wall of the support cylinder 101 is rotatably provided with a locking ring 104, the lower part of the wedge-shaped clamping block 901 penetrates through the inner hole of the locking ring 104, the wedge-shaped clamping block 901 is in a trapezoidal structure, the lower part of the outer side of the wedge-shaped clamping block 901 is in an inclined surface structure, when the relative positions of the wedge-shaped clamping block 901 and the locking ring 104 are changed, the locking ring 104 acts on the inclined surface of the wedge-shaped clamping block 901 to push the wedge-shaped clamping blocks 901 to be synchronously closed, and a motor spindle arranged between the wedge-shaped clamping blocks 901 can be clamped and fixed.
Referring to the attached drawings, a locking assembly 5 is arranged in the vertical cylinder 4, the locking assembly 5 comprises an inner sleeve ring 502 and an outer sleeve ring 501 which are respectively sleeved on the inner side and the outer side of the vertical cylinder 4, the upper portion of the outer sleeve ring 501 is fixedly connected with the upper portion of the inner sleeve ring 502, an annular protrusion 503 is arranged on the inner wall of the inner sleeve ring 502, an arc-shaped clamping block 504 which is distributed in an annular shape is arranged on the upper surface of the inner sleeve ring 502, a linkage assembly which is used for achieving rotation of the arc-shaped clamping block 504 is arranged on the outer sleeve ring 501 and comprises a linkage sleeve 6 which is rotatably arranged on the outer sleeve ring 501, a rotating rod 602 is radially arranged on the outer peripheral surface of the linkage sleeve 6, a linkage ring 601 is coaxially arranged at the top of the linkage sleeve 6, a trigger column 603 which is distributed in an annular shape is arranged on the lower portion of the linkage ring 601, and the trigger column 603 is arranged between the arc-shaped clamping block 504 and the inner wall of the inner sleeve ring 502.
Referring to the attached drawings, a detection cylinder 7 is arranged at the upper part of the locking assembly 5, an arc-shaped support 702 is arranged on the outer circumferential surface of the detection cylinder 7, the lower part of the arc-shaped support 702 is fixedly connected with the upper surface of the annular block 401, a mounting hole extending along the radial direction is formed in the outer circumferential surface of the arc-shaped support 702, a magnetic pole detection sensor 701 is arranged in the mounting hole, the magnetic pole detection sensor 701 is connected with a signal transmitter, the transmitter is connected with a PC (personal computer) end, and the distribution condition of magnetic poles on the multistage magnetic ring can be recorded.
Referring to the drawings, the upper portion of the detection cylinder 7 is provided with a calibration assembly 8, the calibration assembly 8 comprises an arc-shaped groove strip 802 which is slidably arranged on the upper edge of the detection cylinder 7, a semicircular cover plate 801 is arranged on the upper portion of the arc-shaped groove strip 802, the semicircular cover plate 801 and the arc-shaped groove strip 802 are hinged to each other, a semicircular hole 804 is formed in the axis of the semicircular cover plate 801, a through hole is formed in the position, close to the outer edge, of the semicircular cover plate 801, a rotary column 807 is arranged in the through hole in a rotating mode, a magnetic strip 803 is arranged at the bottom of the rotary column 807, a pointing mark 808 is arranged on the upper portion of the rotary column 807, the pointing mark 808 is arranged along the radial direction of the rotary column 807, and the pointing mark 808 is perpendicular to one magnetic pole face of the magnetic strip 803.
Referring to the drawings, the outer circumferential surface of the arc-shaped groove strip 802 is provided with a hinge block 805, the semicircular cover plate 801 is provided with a hinge seat 806, and the hinge block 805 is hinged to the hinge seat 806.
Referring to the attached drawings, the inner side of the adjusting cylinder 3 is provided with internal threads, the outer circumferential surface of the movable sleeve 2 is provided with external threads, and the adjusting cylinder 3 is in threaded connection with the movable sleeve 2.
Referring to the attached drawings, four rectangular holes 103 distributed annularly are arranged on the outer circumferential surface of the supporting cylinder 101, a cross-shaped support 201 is arranged on the inner wall of the movable sleeve 2, and the cross-shaped support 201 penetrates through the four rectangular holes 103 to be connected with the inner wall of the movable sleeve 2.
Referring to the attached drawings, the lower portion of the supporting cylinder 101 is provided with an annular connecting portion 102 extending outward, and the annular connecting portion 102 is provided with semicircular notches distributed annularly.
Referring to the attached drawings, an outward trapezoidal protrusion is arranged at one end, away from the annular protrusion 503, of the outer arc surface of the arc-shaped clamping block 504, a rubber anti-slip strip is arranged on the inner arc surface of the arc-shaped clamping block 504, and anti-slip teeth distributed equidistantly are arranged on the rubber anti-slip strip.
The calibration method of the accurate calibration device of the multi-pole magnetic ring and the motor main rotor comprises the following steps:
s1: the equipment is fixed, and the calibrating device is fixedly connected to a proper working table surface through semicircular notches which are arranged on the annular connecting part 102 and distributed in an annular manner;
s2: the concentricity detection comprises the steps of inserting a motor spindle between a plurality of wedge-shaped clamping blocks 901, adjusting the position of a clamping shaft assembly 9 by rotating an adjusting cylinder 3, and finally matching with a movable sleeve 2 to realize the clamping of a locking ring 104 on the wedge-shaped clamping blocks 901, wherein the locking ring 104 drives the wedge-shaped clamping blocks 901 to be synchronously closed, so that the concentricity of the clamping is good, and the working of a motor 12 is controlled to drive a gear 10 to rotate, so that an outer toothed ring 902 is driven to rotate, the clamping shaft assembly 9 and a motor main rotor clamped on the clamping shaft assembly 9 are driven to rotate together, and then a dial indicator is matched to carry out concentricity detection on the main rotor of the motor;
s3: magnetic pole detection, namely adjusting the clamping position of a motor spindle to enable a multi-pole magnetic ring to be arranged in a detection cylinder 7, then driving the motor spindle and the multi-pole magnetic ring to rotate together by controlling the rotation of a motor 12 and matching with an external gear ring 902 and a gear 10, and detecting the magnetic pole distribution condition of the peripheral surface of the multi-pole magnetic ring through a magnetic pole detection sensor 701;
s4: the magnetic ring is calibrated, through the arranged magnetic strip 803, when the outer circumferential magnetic pole of the multi-pole magnetic ring is different from the magnetic pole of the magnetic strip 803, the magnetic strip 803 is pushed to turn over, so that the rotating column 807 and the pointer 808 are driven to rotate, the magnetic pole condition of the corresponding position of the multi-pole magnetic ring is visually indicated, the arranged semi-circular cover plate 801 is convenient to refer to the multi-pole magnetic ring, the position of the multi-pole magnetic ring can be recorded by marking along the straight line edge of the semi-circular cover plate 801 through a marking pen, then the annular block 401 is grasped, the rotating rod 602 is rotated, the linkage sleeve 6 is driven to rotate in the rotating process of the rotating rod 602, the trigger column 603 is driven to rotate, the trigger column 603 is matched with the trapezoidal bulges on the outer circumferential surface of the arc-shaped clamping blocks 504 in the rotating process of the trigger column 603, the synchronous inward approaching of the plurality of the arc-shaped clamping of the multi-pole magnetic ring is realized, the multi-pole magnetic ring can be driven to rotate to a certain degree relative to the motor spindle by continuously rotating the rotating rod 602, the multi-pole magnetic ring is adjusted, and the marking pen can be marked along the straight line edge of the semi-circular cover plate 801 after the adjustment is finished.
For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (6)
1. Accurate calibrating device of multipolar magnetic ring and motor main rotor, including supporting seat (1), its characterized in that: the supporting seat (1) comprises a supporting cylinder (101), a movable sleeve (2) is sleeved on the supporting cylinder (101), a vertical cylinder (4) is arranged at the upper part of the movable sleeve (2), an adjusting cylinder (3) for adjusting the distance between the vertical cylinder (4) and the movable sleeve (2) is arranged between the vertical cylinder (4) and the movable sleeve (2), four rectangular holes (103) which are distributed annularly are arranged on the outer circumferential surface of the supporting cylinder (101), a cross-shaped support (201) is arranged on the inner wall of the movable sleeve (2), the cross-shaped support (201) penetrates through the four rectangular holes (103) to be connected with the inner wall of the movable sleeve (2), an annular block (401) is arranged at the lower part of the vertical cylinder (4), the inner circumference of the annular block (401) extends downwards to form a supporting ring (402), a clamping shaft assembly (9) is arranged in the supporting ring (402), the clamping shaft assembly (9) comprises a circular block which is rotatably arranged at the lower part of the supporting ring (402), a rectangular slide which is arranged annularly, a circular hole which is communicated with the rectangular slide, a wedge-shaped clamping block (901) is arranged in the rectangular slide in a sliding way, and an outer gear assembly (902) for driving the adjusting cylinder is arranged coaxially with the adjusting cylinder (902);
the inner wall of the supporting cylinder (101) is rotatably provided with a locking ring (104), and the lower part of the wedge-shaped clamping block (901) penetrates through an inner hole of the locking ring (104);
a locking assembly (5) is arranged in the vertical cylinder (4), the locking assembly (5) comprises an inner sleeve ring (502) and an outer sleeve ring (501) which are respectively sleeved on the inner side and the outer side of the vertical cylinder (4), the upper parts of the outer sleeve ring (501) and the inner sleeve ring (502) are fixedly connected, an annular bulge (503) is arranged on the inner wall of the inner sleeve ring (502), arc-shaped clamping blocks (504) which are distributed annularly are arranged on the upper surface of the inner sleeve ring (502), and a linkage assembly for realizing the rotation of the arc-shaped clamping blocks (504) is arranged on the outer sleeve ring (501);
a detection barrel (7) is arranged at the upper part of the locking assembly (5), an arc-shaped support (702) is arranged on the outer circumferential surface of the detection barrel (7), the lower part of the arc-shaped support (702) is fixedly connected with the upper surface of the annular block (401), a mounting hole extending along the radial direction is formed in the outer circumferential surface of the arc-shaped support (702), and a magnetic pole detection sensor (701) is arranged in the mounting hole;
the power assembly comprises a support (11) arranged on the inner side of the adjusting cylinder (3), a motor (12) is fixed on the lower portion of the support (11), a gear (10) is fixed on the output shaft of the motor (12) after penetrating through the top of the support (11), and the gear (10) is meshed with the outer gear ring (902);
the linkage assembly comprises a linkage sleeve (6) rotatably arranged on an outer sleeve ring (501), a rotating rod (602) is arranged on the outer peripheral surface of the linkage sleeve (6) along the radial direction, a linkage ring (601) is coaxially arranged at the top of the linkage sleeve (6), trigger columns (603) distributed in an annular shape are arranged at the lower part of the linkage ring (601), and the trigger columns (603) are arranged between an arc-shaped clamping block (504) and the inner wall of an inner sleeve ring (502);
the wedge-shaped clamping block (901) is of a trapezoidal structure, and the lower part of the outer side of the wedge-shaped clamping block (901) is of an inclined plane structure;
the upper portion of detecting a section of thick bamboo (7) is provided with calibration subassembly (8), calibration subassembly (8) are including sliding arc channel bar (802) that sets up at detecting a section of thick bamboo (7) upper edge, arc channel bar (802) upper portion is provided with semicircle apron (801), the articulated setting between semicircle apron (801) and arc channel bar (802), semicircle apron (801) axle center department is provided with semicircle orifice (804), semicircle apron (801) are close to outward flange position department and are provided with the perforation, and perforate the internal rotation and be provided with column spinner (807), column spinner (807) bottom is provided with magnetic stripe (803), and column spinner (807) upper portion is provided with direction mark (808), radial setting along column spinner (807) is followed to direction mark (808), and direction mark (808) are perpendicular with one of them magnetic pole face of magnetic stripe (803).
2. The device for precisely aligning a multi-pole magnetic ring with a main rotor of an electric motor as claimed in claim 1, wherein said supporting cylinder (101) is provided at a lower portion thereof with an annular connecting portion (102) extending outwardly, and the annular connecting portion (102) is provided with semicircular notches distributed annularly.
3. The device for precisely aligning a multi-pole magnetic ring with a main rotor of an electric motor as claimed in claim 2, wherein the arc-shaped groove strips (802) are provided with hinge blocks (805) on the outer circumferential surface thereof, the semicircular cover plate (801) is provided with hinge seats (806), and the hinge blocks (805) are hinged to the hinge seats (806).
4. The device for precisely aligning a multi-pole magnetic ring with a main rotor of an electric motor as claimed in claim 3, wherein said adjusting cylinder (3) is internally threaded and said movable sleeve (2) is externally threaded on its outer circumferential surface, said adjusting cylinder (3) being threadedly engaged with said movable sleeve (2).
5. The device for precisely aligning a multi-pole magnetic ring with a main rotor of an electric motor as claimed in claim 4, wherein an end of the arc-shaped clamping block (504) far from the annular protrusion (503) is provided with an outward trapezoidal protrusion, and an inner arc surface of the arc-shaped clamping block (504) is provided with a rubber anti-slip strip, and the rubber anti-slip strip is provided with anti-slip teeth distributed at equal intervals.
6. The method as claimed in claim 5, wherein the method comprises the following steps:
s1: the equipment is fixed, and the calibration device is fixedly connected to the working table top through semicircular notches which are arranged on the annular connecting part (102) and distributed in an annular manner;
s2: the concentricity detection method comprises the steps of inserting a motor spindle between a plurality of wedge-shaped clamping blocks (901), adjusting the position of a clamping shaft assembly (9) by rotating an adjusting cylinder (3), finally matching with a movable sleeve (2) to clamp the wedge-shaped clamping blocks (901) by a locking ring (104), driving a gear (10) to rotate by controlling the motor (12) to work, driving an outer gear ring (902) to rotate, driving the clamping shaft assembly (9) and a motor main rotor clamped on the clamping shaft assembly (9) to rotate together, and matching with a dial indicator to perform concentricity detection on the main rotor of the motor;
s3: magnetic pole detection, namely adjusting the clamping position of a motor spindle to enable a multi-pole magnetic ring to be arranged in a detection cylinder (7), then driving the motor spindle and the multi-pole magnetic ring to rotate together by controlling the rotation of a motor (12) and matching an outer gear ring (902) and a gear (10), and detecting the magnetic pole distribution condition of the peripheral surface of the multi-pole magnetic ring through a magnetic pole detection sensor (701);
s4: the magnetic ring is calibrated, through the arranged magnetic strip (803), when the outer circumferential magnetic pole of the multi-pole magnetic ring is different from the magnetic pole of the magnetic strip (803), the magnetic strip (803) is pushed to turn over, so that the rotary column (807) and the pointer (808) are driven to rotate, the magnetic pole condition of the corresponding position of the multi-pole magnetic ring is visually indicated, the arranged semi-circular cover plate (801) is convenient to refer to the multi-pole magnetic ring, a marking pen is used for marking along the linear edge of the semi-circular cover plate (801), the position of the multi-pole magnetic ring is recorded, then the annular block (401) is grasped, the rotary rod (602) is rotated, the linkage sleeve (6) is driven to rotate in the rotating process of the rotary rod (602), so that the trigger column (603) is driven to rotate, the trigger column (603) is matched with the trapezoidal bulge on the outer circumferential surface of the arc-shaped clamping blocks (504) in the rotating process, the synchronous inward approaching of the plurality of the arc-shaped clamping blocks (504) is realized, the multi-pole magnetic ring is rapidly clamped, the multi-pole magnetic ring can be driven to rotate to generate a certain rotation relative to the motor spindle by continuously rotating the rotary rod (602), so that the multi-pole magnetic ring can be adjusted, and the marking along the linear edge of the multi-pole cover plate (801) is marked after the adjustment of the multi-pole is finished.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210901640.4A CN114977689B (en) | 2022-07-28 | 2022-07-28 | Accurate calibration device and calibration method for multi-pole magnetic ring and motor main rotor |
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| CN202210901640.4A CN114977689B (en) | 2022-07-28 | 2022-07-28 | Accurate calibration device and calibration method for multi-pole magnetic ring and motor main rotor |
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| CN114977689B true CN114977689B (en) | 2022-10-21 |
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| CN117029645B (en) * | 2023-10-09 | 2023-12-08 | 常州好力持五金有限公司 | Coaxiality automatic detection device of hardware sleeve tool |
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| GB1124722A (en) * | 1965-06-21 | 1968-08-21 | Sunbeam Corp | Permanent magnet motor |
| JP2000060087A (en) * | 1998-08-07 | 2000-02-25 | Matsushita Electric Ind Co Ltd | Planar facing motor and its manufacture |
| CN1664602A (en) * | 2005-01-06 | 2005-09-07 | 重庆大学 | Balance detection and correction apparatus for magneto rotors |
| CN103944323A (en) * | 2014-05-07 | 2014-07-23 | 徐州速利达电机有限公司 | Multi-polar magnetic ring and motor main rotor accurate calibration device |
| CN110994922A (en) * | 2019-12-24 | 2020-04-10 | 日照东方电机有限公司 | Magnetic steel mounting method of slender rotor |
| CN113676013A (en) * | 2021-07-23 | 2021-11-19 | 苏州朗高电机有限公司 | Dynamic balance calibration method for motor rotor with brake of permanent magnet variable pitch motor |
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2022
- 2022-07-28 CN CN202210901640.4A patent/CN114977689B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1124722A (en) * | 1965-06-21 | 1968-08-21 | Sunbeam Corp | Permanent magnet motor |
| JP2000060087A (en) * | 1998-08-07 | 2000-02-25 | Matsushita Electric Ind Co Ltd | Planar facing motor and its manufacture |
| CN1664602A (en) * | 2005-01-06 | 2005-09-07 | 重庆大学 | Balance detection and correction apparatus for magneto rotors |
| CN103944323A (en) * | 2014-05-07 | 2014-07-23 | 徐州速利达电机有限公司 | Multi-polar magnetic ring and motor main rotor accurate calibration device |
| CN110994922A (en) * | 2019-12-24 | 2020-04-10 | 日照东方电机有限公司 | Magnetic steel mounting method of slender rotor |
| CN113676013A (en) * | 2021-07-23 | 2021-11-19 | 苏州朗高电机有限公司 | Dynamic balance calibration method for motor rotor with brake of permanent magnet variable pitch motor |
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| CN114977689A (en) | 2022-08-30 |
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