CN105865714A - Rotor imbalance measurement device based on grating scale feedback signal - Google Patents
Rotor imbalance measurement device based on grating scale feedback signal Download PDFInfo
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- CN105865714A CN105865714A CN201610194587.3A CN201610194587A CN105865714A CN 105865714 A CN105865714 A CN 105865714A CN 201610194587 A CN201610194587 A CN 201610194587A CN 105865714 A CN105865714 A CN 105865714A
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- flexible beam
- feedback signal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/14—Determining unbalance
- G01M1/16—Determining unbalance by oscillating or rotating the body to be tested
- G01M1/22—Determining unbalance by oscillating or rotating the body to be tested and converting vibrations due to unbalance into electric variables
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Abstract
The invention discloses a rotor imbalance measurement device based on a grating scale feedback signal. The device comprises a baseplate (1). A pedestal (4) is fixed on the baseplate (1). A photoelectric flexible beam soft supporting frame (18) adopting a grating pair for vibration measurement is slidably connected on the pedestal (4). A rotor (12) is erected on the photoelectric flexible beam soft supporting frame (18). The rotor (12) is connected with a rotor driving mechanism and is driven by the rotor driving mechanism. The baseplate (1) is also provided with a function controller (8) which is used for realizing control of rotating speed of a servo motor (10), vibration signal acquisition and control and acquisition of a photoelectric sensor (13). Compared with a conventional dynamic balance device, the device is simple in structure, reliable in operation, high in measurement precision and easy to realize imbalance detection of the high-speed and high-precision rotor.
Description
Technical field
The present invention relates to a kind of rotor dynamic balancing device, particularly to one based on grating scale feedback signal
Rotor unbalance measurement apparatus.
Background technology
The vibration state of slewing is the important parameter that assessment equipment runs health status.At rotor
When high speed rotating state, even if faint amount of unbalance also can cause rotor flexure and internal stress, cause
Rotor high vibration, directly affects crudy, even damages rotor own components.Due to
Manufacture, alignment error and material uneven, rotor unbalance fault certainly exists.Therefore, as
What controls rotor unbalance vibration is one of problem the most key during rotating machinery uses.
For operating accurate rotor at high speeds, the soft support dynamic balancing of industrial many employings, it passes through
Collection to unbalance vibration data, calculates and obtains rotor unbalance, has precision height, balancing speed
High advantage, closer to the actual motion state of rotor.But, it is multiple to there is structure in existing dynamic balancing machine
The problems such as miscellaneous, vibration measurement link certainty of measurement is limited, to this end, move for high-speed, high precision rotor
Balance, needs design sensitivity and the highest dynamic balancer of resolution, to ensure that imbalance turns
Sub-dynamic balance accuracy.
Summary of the invention
It is an object of the invention to overcome shortcoming present in above-mentioned prior art, it is provided that a kind of based on light
The rotor unbalance measurement apparatus of grid chi feedback signal, it is achieved dynamic poise device simple in construction, run can
Lean on, purpose that certainty of measurement is high.
For reaching object above, the technical solution used in the present invention is: a kind of based on grating scale feedback letter
Number rotor unbalance measurement apparatus, including base plate, base plate is fixed with base, sliding on described base
It is dynamically connected and uses optical grating pair as the photoelectricity soft bracing frame of flexibility beam type of vibration measurement；Photoelectricity flexible beam
The added rotor that is provided with of the soft bracing frame of formula, described rotor couples with rotor drive mechanism, and is driven by the rotor
Mechanism drives；It is additionally provided with on described base plate for realizing the control of servomotor rotating speed, vibration signal
Gather and photoelectric sensor controls and the controller of acquisition function.
The above-mentioned photoelectricity soft bracing frame of flexibility beam type is by the slide block being located at below and the edge being located on base
The slide of Y direction connects.
The above-mentioned photoelectricity soft bracing frame of flexibility beam type includes two groups of roller groups, and these two groups of roller groups are along Y direction
Arrangement；Often group roller group include two along X-direction roller side by side, and the axis of roller is along Y-axis side
To；Two terminations of described rotor are respectively set up in one group of roller group.
The above-mentioned photoelectricity soft bracing frame of flexibility beam type also include indication grating, scale grating, grating guide rail,
Grating fixes slide block and flexible beam；Wherein, the two ends of flexible beam are respectively symmetrically and are consolidated in photoelectricity flexible beam
The soft bracing frame of formula is positioned on the flexible beam type supporting walls of the both sides of X-direction；The quantity of described flexible beam is
2, every flexible beam is provided with the roller group described in a group, and often two rollers in group roller group are according to it
Centered by the midpoint of the flexible beam at place symmetrical；It is fixed with instruction below the midpoint of every flexible beam
Grating fixing bracket, indication grating fixed mount is fixed with grating and fixes slide block；In every flexible beam
It is fixed with grating guide rail along Z-direction at Dian；Described grating guide rail is fixed slide block and is mated and slide with grating
Connect；Described indication grating is fixed on the upper end of indication grating fixed mount；Article two, grating guide rail is positioned at Y-axis
Being respectively equipped with indication grating fixing hole on two sides opposing on direction, grating guide rail is with instruction light
The side of grid fixing hole is fixed with gratings strips along its guide rail direction, forms scale grating；Described scale light
The midpoint of the centrage and flexible beam that are positioned at Z-direction of grid is positioned at ZOY plane；Described indication grating
With scale optical grating constitution optical grating pair, it is used for detecting the vibration in Z-direction.
Above-mentioned grating guide rail is fixed on flexible beam by dormant bolt, and indication grating is threadably secured
Upper end position at indication grating fixed mount；The making material of described flexible beam is steel disc, flexible beam type
The making material of supporting walls is aluminium alloy.
Above-mentioned rotor drive mechanism includes servomotor, pulley, belt, and servomotor is through pulley
Connecting belt, belt couples with rotor, it is achieved servomotor drives rotor to rotate.
Above-mentioned servomotor is fixed in motor fixing seat, and described pulley is located at pulley and is fixed on seat；
Seat fixed by pulley and motor fixing seat is both secured on fixing stand；Described fixing stand is by below
Fixing slide block is connected with the slide along Y direction being located on base.
Above-mentioned pulley is fixed seat and is provided with the elongate holes structure of adjustable pulley position.
It is additionally provided with on above-mentioned base for completing the photoelectric sensor that initial phase gathers, described photoelectric transfer
Sensor is fixed on base, on described rotor by regulating the sensor stand of height in z-direction
Post reflective light label, rotor rotate a circle photoelectric sensor gather a signal.
Above-mentioned controller realizes the control of servomotor rotating speed, vibration signals collecting and photoelectric sensing
The function that device controls and gathers, it is achieved control, gather and calculate integration；Described controller is hand-held
Formula, its back is provided with magnet base, can be adsorbed on controller support.
Beneficial effects of the present invention: the present invention mainly comprises base and controller part；Photoelectricity flexible beam
Slide block below the soft bracing frame of formula coordinates with the extensible guide precision on base；The soft bracing frame of photoelectricity flexibility beam type
The added rotor that is provided with, roller is fixed in the flexible beam that on the photoelectricity soft bracing frame of flexibility beam type, two ends consolidate
Between；Scale grating is fixed on the midpoint of two roller center of circle lines of centres, and is fixed by dormant bolt；
Indication grating is fixed on optical grating fixing support, indication grating and scale optical grating constitution optical grating pair, permissible
Vibration in detection Z-direction；Described motor driving part divides and includes motor, roller, belt, motor
Rotated by belt drives workpiece to be detected.
Compared with existing apparatus, the invention have the advantages that
1, the present invention uses optical grating pair as the critical component of vibration measurement, and it is big, dynamically that it measures scope
Property good, be suitable for soft support disequilibrium survey, and be easily achieved and automatically control；
2, the present invention vibrates based on grating sensing principle inductiopn rotor, can believe Moire fringe period of change
Number being finely divided, its certainty of measurement and resolution ratio are higher；
3, the present invention is using flexible crossbeam as the soft supporting construction of unbalanced rotor, and it is highly sensitive, especially
It is applicable to faint amount of unbalance detection；
4, present configuration is simple, be easy to processing and adjustment, can meet different size, type rotor
Disequilibrium survey demand.
Understand the present invention in order to clearer, below in conjunction with accompanying drawing, the present invention is made the most specifically
Bright.
Accompanying drawing explanation
Fig. 1 is the overall construction drawing of the present invention；
Fig. 2 is the rotor supports structural representation with grating measuring part of the present invention；
Accompanying drawing 1 description of symbols: 1, base plate；2, guide rail；3, pulley；4, base；5, slide block；
6, seat fixed by pulley；7, indication grating；8, controller；9, roller；10, servomotor；
11, belt；12, rotor；13, photoelectric sensor；14, sensor stand；15, amplifier；
16, scale grating；17, grating fixes slide block；18, the soft bracing frame of photoelectricity flexibility beam type；19, light
Grid guide rail；20, flexible beam；21, flexible beam type supporting walls；22, indication grating fixed mount；23、
Fixing stand.
Detailed description of the invention
Embodiment 1:
Measure as it is shown in figure 1, the invention provides a kind of rotor unbalance based on grating scale feedback signal
Device, including base plate 1, base plate 1 is fixed with base 4, described base 4 slidably connects employing light
The secondary photoelectricity soft bracing frame of flexibility beam type 18 as vibration measurement of grid；The soft bracing frame of photoelectricity flexibility beam type 18
The added rotor 12 that is provided with, described rotor 12 couples with rotor drive mechanism, and is driven by the rotor mechanism and drives
Dynamic；It is additionally provided with for realizing the control of servomotor 10 rotating speed, vibration signals collecting on described base plate 1
Control with photoelectric sensor 13 and the controller 8 of acquisition function.The present invention uses optical grating pair to survey as vibration
The critical component of amount, it is measured, and scope is big, dynamic good, applicable soft support disequilibrium survey, and easily
Automatically control in realization；Vibrate based on grating sensing principle inductiopn rotor, can be to Moire fringe change week
Phase signal is finely divided, and its certainty of measurement and resolution ratio are higher；Turn using flexible crossbeam as imbalance
The soft supporting construction of son, it is highly sensitive, is particularly well-suited to faint amount of unbalance detection；The present invention ties
Structure is simple, be easy to processing and adjustment, can meet different size, type rotor disequilibrium survey demand.
Embodiment 2:
On the basis of embodiment 1, with reference to Fig. 1 and Fig. 2, the described photoelectricity soft bracing frame of flexibility beam type 18 leads to
Cross the slide block 5 being located at below and the guide rail 2 along Y direction being located on base 4 is slidably connected.Described
The soft bracing frame of photoelectricity flexibility beam type 18 includes two groups of roller groups, and these two groups of roller groups are arranged along Y direction；
Often group roller group include two along X-direction roller 9 side by side, and the axis of roller 9 is along Y direction；
Two terminations of described rotor 12 are respectively set up in one group of roller group.
The described photoelectricity soft bracing frame of flexibility beam type 18, in addition to roller 3, also includes indication grating 7, scale light
Grid 16, grating guide rail 19, grating fix slide block 17 and flexible beam 20；Wherein, the two ends of flexible beam 20
It is respectively symmetrically the flexible beam type being consolidated in the both sides that the photoelectricity soft bracing frame of flexibility beam type 18 is positioned at X-direction
On supporting walls 21, flexible structure can reflect the vibration that roller 9 transmits in real time；The number of described flexible beam 20
Amount is 2, and every flexible beam 20 is provided with the roller group described in a group, often two rollings in group roller group
Wheel is according to symmetrical centered by the midpoint of the flexible beam 20 at its place；Below the midpoint of every flexible beam 20
It is fixed with indication grating fixed mount 22, indication grating fixed mount 22 is fixed with grating and fixes slide block 17；
Midpoint at every flexible beam 20 is fixed with grating guide rail 19 along Z-direction；Described grating guide rail 19 with
Grating is fixed slide block 17 and is mated and be slidably connected；Described indication grating 7 is fixed on indication grating fixed mount 22
Upper end, and coordinate with the grating guide rail 19 of bottom, limit X-direction and swing；Soft of photoelectricity flexibility beam type
The opposite side of the grating belt bar of support 18 only has grating guide pass and slide block, limits X-direction and swings；Article two,
Grating guide rail 19 is positioned on two sides opposing in Y direction and is respectively equipped with indication grating fixing hole, light
Grid guide rail 19 is fixed with gratings strips with the side of indication grating fixing hole along its guide rail direction, forms mark
Chi grating 16；The centrage being positioned at Z-direction of described scale grating 16 is positioned at the midpoint of flexible beam 20
In ZOY plane；Described indication grating 7 constitutes optical grating pair with scale grating 16, for detecting in Z-direction
Vibration.The basal plane of scale grating is typically by glass ceramics, glass, and three kinds of materials of steel band are constituted, instruction
" scale " on grating generally uses direct etching processing base material or the method for plated film, therefore without mark
The most restricted horizontal vibration of function of chi grating side, it is to avoid destroy indication grating 7, scale grating 16,
Play the effect of protection.General flexible beam 20 can material selection be steel disc etc., and flexible beam type supporting walls 21 is optional
Material is aluminium alloy etc..
Described grating guide rail 19 is fixed on flexible beam by dormant bolt, and indication grating 7 is solid by screw thread
It is scheduled on the upper end position of indication grating fixed mount 22.
Described rotor drive mechanism includes servomotor 10, pulley 3, belt 11, servomotor 10
Through pulley 3 connecting belt 11, belt 11 couples with rotor 12, it is achieved servomotor 10 drives rotor 12
Rotate.Described servomotor 10 is fixed in motor fixing seat, and described pulley 3 is located at pulley and is fixed seat
On 6；Seat 6 fixed by pulley and motor fixing seat is both secured on fixing stand 23；Described fixing stand 23
It is connected with the slide along Y direction being located on base 4 by slide block 5 fixing below.Wherein
Pulley is fixed seat 6 and is provided with the elongate holes structure of adjustable pulley 3 position, after rotor-position determines, adjusts
Saving photoelectricity flexibility beam type soft bracing frame 18 position of its both sides and fix, spiral shell is also passed through in adjustable pulley position
Bolt is fixed with bar hole, pretension belt, and servomotor is rotated by belt and pulley driving rotor,
This servomotor fixed form can avoid the factor during motor-driven, improves the accurate of measurement
Property.
It is additionally provided with on described base 4 for completing the photoelectric sensor 13 that initial phase gathers, described light
Electric transducer 13 is fixed on base 4 by regulating the sensor stand 14 of height in z-direction
On, described rotor 12 posts reflective light label, rotor rotate a circle photoelectric sensor gather a signal.
It is additionally provided with amplifier 15 on sensor stand, the signal to noise ratio of signal can be improved.
Described controller 8 realizes the control of servomotor 10 rotating speed, vibration signals collecting and photoelectricity
The function that sensor 13 controls and gathers, it is achieved control, gather and calculate integration；Described controller
8 is hand-held, and its back is provided with magnet base, can adsorb on controller support.This controller 8
Advantage is easy operation, portable, safety.
The present embodiment by the photoelectricity soft support of flexibility beam type of photoelectric sensor, this device have high accuracy,
Fast-response speed, is particularly well-suited to faint uneven detection；Its simple in construction is easy to processing, is easy to
Adjust, different size type rotor demand can be met；The photoelectric sensor using raster mode is permissible
Improving spectral bandwidth, improve sensitivity, symmetrical structure can reduce ambient temperature, supply voltage etc.
The impact of extraneous factor.Compared with tradition dynamic poise device, apparatus structure involved in the present invention is simple,
Sensitivity is higher, fast response time, is more suitable for the ultraprecise rotor to tension metrics is higher and moves
Balance.
Following present the present invention process that implements in engineering practice:
1. structure is installed and fixing
Base is fixed on base plate, the length of object under test determine the distance of bracing frame, and by sliding
Fixing bolt on block is fixed；Rotor is placed on roller, and servomotor is fixed on motor cabinet, sliding
Wheel is also secured on motor cabinet, and at this, motor cabinet has perforate, can regulate the tightness of belt；
V belt translation is passed to rotor by belt pulley by servomotor, drives rotor to rotate.
2. dynamic balancing detection
1) servomotor drives the rotation of measured rotor, and the weak vibration of rotor causes in Z-direction
Vibration, and then pass to detect device, detection device is made up of scale, indication grating；
Grating scale operation principle is the formation basic theory work according to physically Moire fringe.Grating sensing
Device is made up of light source, lens, optical grating pair (scale, indication grating) and photoelectric apparatus.Work as mark
Chi grating is when indication grating moves, and the Moire fringe of formation produces bright dark change alternately.Utilize
The optical signal of bright for Moire fringe dark change is converted into electric impulse signal by photoelectric apparatus, and with digital
Display, just can measure the displacement of scale grating.Light source is generally sent out by osram lamp or quasiconductor
Optical device.
The laterally slope of Moire fringe:
Moire fringe spacing:
Moire fringe width BHDetermined by grating length W and grating angle theta.Adjust angle theta the most available
The width B of the biggest Moire fringeH, serve amplification, improve again certainty of measurement.
2) posting reflective light label on rotor, rotor rotates, and photoelectric sensor receives optical signal, is converted into
The signal of telecommunication, it is thus achieved that starting phase angle, and pass to control meter by the data obtained with grating sensor
Calculation machine, data acquisition and analysis.
To sum up, the present invention comprises the soft support section of rotor and base type rotor drive part.Soft of rotor
Support part is divided and is made up of grating measuring device, and roller is fixed on grating measuring device, and read head is fixed on
On base, thus form relative movement, thus realize the detection of faint unbalance vibration；Rotor drives
The servomotor of mechanism section is fixed on base, can pass through the fixing nut at adjustable pulley support,
The degree of tightness of regulation belt, reaches the purpose driving rotor to rotate.
Compared with existing apparatus, the invention have the advantages that
1, the present invention uses optical grating pair as the critical component of vibration measurement, and it is big, dynamically that it measures scope
Property good, be suitable for soft support disequilibrium survey, and be easily achieved and automatically control；
2, the present invention vibrates based on grating sensing principle inductiopn rotor, can believe Moire fringe period of change
Number being finely divided, its certainty of measurement and resolution ratio are higher；
3, the present invention is using flexible crossbeam as the soft supporting construction of unbalanced rotor, and it is highly sensitive, especially
It is applicable to faint amount of unbalance detection；
4, present configuration is simple, be easy to processing and adjustment, can meet different size, type rotor
Disequilibrium survey demand.
Parts, technique and the letter representation that embodiment describes the most in detail belong to the industry well-known components,
With conventional means and general knowledge, describe the most one by one.Exemplified as above is only illustrating to the present invention
Bright, it is not intended that the restriction to protection scope of the present invention, every same or analogous with the present invention sets
Within meter belongs to protection scope of the present invention.
Claims (10)
1. a rotor unbalance measurement apparatus based on grating scale feedback signal, including base plate (1),
Base (4) it is fixed with on base plate (1), it is characterised in that: described base slidably connects on (4)
Use optical grating pair as the soft bracing frame of the photoelectricity flexibility beam type (18) of vibration measurement；Photoelectricity flexibility beam type is soft
The added rotor (12) that is provided with of bracing frame (18), described rotor (12) couples with rotor drive mechanism,
And it is driven by the rotor mechanism's driving；It is additionally provided with on described base plate (1) for realizing servomotor (10)
The control of rotating speed, vibration signals collecting and photoelectric sensor (13) control and the controller of acquisition function
(8)。
A kind of rotor unbalance based on grating scale feedback signal measures dress
Put, it is characterised in that: the soft bracing frame of described photoelectricity flexibility beam type (18) is by being located at cunning below
Block (5) and the guide rail along Y direction (2) being located on base (4) are slidably connected.
A kind of rotor unbalance based on grating scale feedback signal measures dress
Put, it is characterised in that: the soft bracing frame of described photoelectricity flexibility beam type (18) includes two groups of roller groups, should
Two groups of roller groups are arranged along Y direction；Often group roller group includes two along X-direction roller side by side
, and the axis of roller (9) is along Y direction (9)；Two terminations of described rotor (12) respectively set up
In one group of roller group.
A kind of rotor unbalance based on grating scale feedback signal measures dress
Put, it is characterised in that: the soft bracing frame of described photoelectricity flexibility beam type (18) also include indication grating (7),
Scale grating (16), grating guide rail (19), grating fix slide block (17) and flexible beam (20)；Its
In, the two ends of flexible beam (20) are respectively symmetrically and are consolidated in photoelectricity flexibility beam type soft bracing frame (18) position
On the flexible beam type supporting walls (21) of the both sides of X-direction；The quantity of described flexible beam (20) is
2, every flexible beam (20) is provided with the roller group described in a group, often two rollings in group roller group
Wheel is according to symmetrical centered by the midpoint of the flexible beam (20) at its place；Every flexible beam (20)
Being fixed with indication grating fixed mount (22) below midpoint, indication grating fixed mount is fixed with light on (22)
Grid fix slide block (17)；Midpoint at every flexible beam (20) is fixed with grating along Z-direction and leads
Rail (19)；Described grating guide rail (19) is fixed slide block (17) and is mated and be slidably connected with grating；Institute
State indication grating (7) and be fixed on the upper end of indication grating fixed mount (22)；Article two, grating guide rail (19)
It is positioned on two sides opposing in Y direction and is respectively equipped with indication grating fixing hole, grating guide rail (19)
Side with indication grating fixing hole is fixed with gratings strips along its guide rail direction, forms scale grating
(16)；In the centrage being positioned at Z-direction of described scale grating (16) and flexible beam (20)
Point is positioned at ZOY plane；Described indication grating (7) constitutes optical grating pair with scale grating (16), uses
Vibration in detection Z-direction.
A kind of rotor unbalance based on grating scale feedback signal measures dress
Put, it is characterised in that: described grating guide rail (19) is fixed on flexible beam by dormant bolt, refers to
Show that grating (7) is threadedly secured to the upper end position of indication grating fixed mount (22)；Described flexibility
The making material of beam (20) is steel disc, and the making material of flexible beam type supporting walls (21) is aluminium alloy.
A kind of rotor unbalance based on grating scale feedback signal measures dress
Put, it is characterised in that: described rotor drive mechanism includes servomotor (10), pulley (3), skin
Band (11), servomotor (10) through pulley (3) connecting belt (11), belt (11) with turn
Son (12) couples, it is achieved servomotor (10) drives rotor (12) to rotate.
A kind of rotor unbalance based on grating scale feedback signal measures dress
Put, it is characterised in that: described servomotor (10) is fixed in motor fixing seat, described pulley
(3) it is located at pulley to fix on seat (6)；Seat (6) fixed by pulley and motor fixing seat is both secured to solid
In reservation (23)；Described fixing stand (23) is passed through slide block (5) fixing below and is located at
The guide rail along Y direction (2) on base (4) is slidably connected.
A kind of rotor unbalance based on grating scale feedback signal measures dress
Put, it is characterised in that: described pulley is fixed seat (6) and is provided with the strip of adjustable pulley (3) position
Pore structure.
A kind of rotor unbalance based on grating scale feedback signal measures dress
Put, it is characterised in that: it is additionally provided with on described base (4) for completing the photoelectric transfer that initial phase gathers
Sensor (13), described photoelectric sensor (13) is by regulating the sensor of height in z-direction
Support (14) is fixed on base (4), and described rotor (12) posts reflective light label, and rotor revolves
The photoelectric sensor that circles gathers a signal.
A kind of rotor unbalance based on grating scale feedback signal measures dress
Put, it is characterised in that: described controller (8) realize the control of servomotor (10) rotating speed,
The function that vibration signals collecting and photoelectric sensor (13) control and gather, it is achieved control, gather and
Calculate integration；Described controller (8) is hand-held, and its back is provided with magnet base, can be adsorbed on control
On device support processed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610194587.3A CN105865714B (en) | 2016-03-31 | 2016-03-31 | A kind of rotor unbalance measurement apparatus based on grating scale feedback signal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610194587.3A CN105865714B (en) | 2016-03-31 | 2016-03-31 | A kind of rotor unbalance measurement apparatus based on grating scale feedback signal |
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| CN105865714A true CN105865714A (en) | 2016-08-17 |
| CN105865714B CN105865714B (en) | 2018-02-09 |
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| CN107956711A (en) * | 2016-10-17 | 2018-04-24 | 中国科学院沈阳科学仪器股份有限公司 | A kind of vortex pump dynamic balancing gauge |
| CN106680717A (en) * | 2017-02-15 | 2017-05-17 | 苏州韦贝电机科技有限公司 | Rotor comprehensive testing table and corresponding testing method |
| CN106680717B (en) * | 2017-02-15 | 2023-10-20 | 苏州绿控新能源科技有限公司 | Rotor comprehensive test board and corresponding test method thereof |
| CN107270843B (en) * | 2017-07-31 | 2020-10-27 | 中核(天津)科技发展有限公司 | Balancing machine based on cavity type positioning in string support and detection method |
| CN107228643A (en) * | 2017-07-31 | 2017-10-03 | 中核(天津)科技发展有限公司 | A kind of string supporting intracavity tubular elements positioner and localization method |
| CN107270843A (en) * | 2017-07-31 | 2017-10-20 | 中核(天津)科技发展有限公司 | A kind of balancing machine and detection method that intracavity positioning is supported based on string |
| CN108058734A (en) * | 2017-12-28 | 2018-05-22 | 南京磁谷科技有限公司 | A kind of strong magnet rotor detection platform |
| CN107966244A (en) * | 2018-01-25 | 2018-04-27 | 湖南湘电动力有限公司 | A kind of high speed permanent magnet motor rotor dynamic balance running platform |
| CN108801551A (en) * | 2018-08-28 | 2018-11-13 | 北京精密机电控制设备研究所 | A kind of ferromagnetism rotor dynamic balance testing device |
| CN110470428A (en) * | 2019-09-09 | 2019-11-19 | 西安电子科技大学 | A kind of on-line dynamic balancing adjustment device of marmem driving |
| CN114235283A (en) * | 2021-11-25 | 2022-03-25 | 苏州瑞威离心分离技术有限公司 | Hydraulic balance soft support dynamic balancing machine |
| CN114878076A (en) * | 2022-07-11 | 2022-08-09 | 日照朝力信息科技有限公司 | Dynamic balance testing device of flexible rotor |
| CN114878076B (en) * | 2022-07-11 | 2022-09-09 | 日照朝力信息科技有限公司 | Dynamic balance testing device of flexible rotor |
| CN116079487A (en) * | 2023-03-14 | 2023-05-09 | 哈尔滨工业大学 | Method for realizing double-sided dynamic balance function of roller die ultra-precise machine tool |
| CN116079487B (en) * | 2023-03-14 | 2024-04-30 | 哈尔滨工业大学 | Method for realizing double-sided dynamic balance function of roller die ultra-precise machine tool |
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