CN110031149A - A kind of axial symmetry rotor and its dynamic balancing De-weight method removing weight structure with dynamic balancing - Google Patents
A kind of axial symmetry rotor and its dynamic balancing De-weight method removing weight structure with dynamic balancing Download PDFInfo
- Publication number
- CN110031149A CN110031149A CN201910379936.2A CN201910379936A CN110031149A CN 110031149 A CN110031149 A CN 110031149A CN 201910379936 A CN201910379936 A CN 201910379936A CN 110031149 A CN110031149 A CN 110031149A
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- China
- Prior art keywords
- weight
- rotor
- dynamic balancing
- balance element
- axial symmetry
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- G01M1/02—Details of balancing machines or devices
-
- 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
-
- 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
- G01M1/30—Compensating unbalance
- G01M1/34—Compensating unbalance by removing material from the body to be tested, e.g. from the tread of tyres
Abstract
The invention discloses a kind of axial symmetry rotors and its dynamic balancing De-weight method that weight structure is removed with dynamic balancing, belong to rotor dynamics and vibration equipment analysis technical field.Provided by the present invention have dynamic balancing to remove the axial symmetry rotor of weight structure include rotor body and weight balancing component.Rotor body is equipped with and removes repeated hole, and weight balancing component includes the balance element of multiple and different weight, and balance element is detachably connected with repeated hole is removed.Go repeated hole that can choose threaded hole.Dynamic balancing De-weight method goes repeated hole to be improved to require by adjusting the weight of balance element to reach balance by traditional processing on rotor body, and rotor body not recurring structure and weight change, and easy to operate, duplicate removal process does not have an impact rotor body；It goes repeated hole to be covered by balance element, balances after duplicate removal rotor surface without additional cladding other structures, effectively shorten the time needed for dynamic balance running；It goes repeated hole to be distributed in the side end face of rotor body, makes rotor appearance looks elegant.
Description
Technical field
The present invention relates to rotor dynamics and vibration equipment analysis technical fields, more particularly to one kind to have dynamic balancing duplicate removal
The axial symmetry rotor and its dynamic balancing De-weight method of structure.
Background technique
The components of rotary motion, such as various transmission shafts, main shaft, blower, water pump vane, cutter, motor and steamer
The rotor etc. of machine, is referred to as rotor.Rotor is rotated with when not rotating in ideal conditions, and the pressure generated to bearing is equally
, such rotor is the rotor of balance.Due to material unevenness, fabrication error, impeller blade uneven distribution, uneven wear
Etc. factors influence, be constantly present imbalance on the rotor of rotating machinery.Rotor unbalance is the main exciting source of equipment；No
Balance can also cause rotor oscillation, accelerate the abrasion of the components such as bearing, axle envelope, reduce the service life and efficiency of machine.For
This needs to carry out dynamic balance running to rotor, reaches the balance quality etc. of permission in device fabrication or maintenance process
Grade.
In the prior art, for the rotor component of irregular shape, such as impeller, the method for dynamic balance running duplicate removal is polishing
Or lathe milling impeller cover is used, polishing or milling duplicate removal quality are big, and need to carry out surface inspection after duplicate removal；For regular shape
The rotor component of shape (axial symmetry), such as pump shaft, rotor, flywheel, thrust axis tray, shaft coupling part, because of its shape knot
The unbalance mass, generated in structure rule manufacturing process is small, generallys use circle end face and bores orifice method removal unbalance mass,
The size of boring aperture is restricted, and drilling hole amount will affect the presentation quality of part too much, and the rotor having after drilling still needs to add
Dress clad structure makes its outer surface reach regular shape, to avoid the flox condition for influencing its surrounding liquid；According to exacerbation
Form reduces unbalance mass, aggravates implementation Process complexity, generallys use welding method, complicated for operation.
Summary of the invention
The purpose of the present invention is to provide a kind of axial symmetry rotors and its dynamic balancing duplicate removal that weight structure is removed with dynamic balancing
Method, it is easy to operate, fast, the presentation quality of rotor is not influenced, and without increasing clad structure after dynamic balancing duplicate removal, effectively contract
Time needed for short dynamic balance running.
For this purpose, one aspect of the present invention provides a kind of axial symmetry rotor for removing weight structure with dynamic balancing, comprising:
Rotor body, be respectively equipped on the both sides of the face of the rotor body it is multiple remove repeated hole, it is described to go repeated hole described in
The circumferential direction of rotor body is uniformly distributed；
Weight balancing component, the balance element including multiple groups different weight, the balance element go repeated hole detachably to connect with described
It connects, by going in repeated hole to configure the balance element to partly or entirely described, the dynamic balancing of the axial symmetry rotor can be adjusted.
Above technical scheme is preferred, described to go repeated hole for threaded hole, and the balance element is mass screw, the threaded hole
It is threadedly coupled with the mass screw.
Above technical scheme is preferred, and the threaded hole is set at the 1/2 of the radius of the side end face to the side
Between the excircle in face.
Above technical scheme is preferred, and the threaded hole is counter sink.
Above technical scheme is preferred, and the mass screw includes the screw of a variety of different lengths.
Above technical scheme is preferred, and the mass screw further includes inner hole screw, sets on the screw rod of the inner hole screw
There is axial lightening hole.
Above technical scheme is preferred, and the weight of the inner hole screw is less than other described mass screws of equal length.
Another aspect of the present invention provides a kind of for the dynamic flat of the axial symmetry rotor above-mentioned for removing weight structure with dynamic balancing
Weigh De-weight method, comprising:
The balance element is installed, the balance element of identical weight is installed to each duplicate removal of the rotor body
In hole；
Dynamic balance running finds out the angle of unbalance mass, on the axial symmetry rotor according to test result；
The balance element is adjusted, the weight of the corresponding balance element is adjusted according to the angle of the unbalance mass,；
The step of repeating above-mentioned dynamic balance running and adjustment balance element, until the axial symmetry rotor meets dynamic balancing and wants
It asks.
Above technical scheme is preferred, installs in the balance element step, and the balance element of original installation is weight
Maximum one group of balance element.
Above technical scheme is preferred, adjusts the balance element step specifically: according to the angle of the unbalance mass,
Find the corresponding balance element；The corresponding balance element is dismantled, replaces original institute with the lesser balance element of weight
State balance element.
Beneficial effects of the present invention:
The present invention provides a kind of axial symmetry rotors that weight structure is removed with dynamic balancing, including rotor body and weight balancing
Component.Rotor body is equipped with and removes repeated hole, and weight balancing component includes the balance element of multiple and different weight, balance element and removes repeated hole
It is detachably connected, by meeting axial symmetry rotor dynamic flat to the balance element for partly or entirely going in repeated hole to configure corresponding weight
Weighing apparatus requires.Dynamic balancing De-weight method processes the weight for going repeated hole to be improved to by adjusting balance element by traditional on rotor body
Reach requirement for dynamic balance, and rotor body not recurring structure and weight change, it is easy to operate, duplicate removal process to rotor body not
It has an impact；Repeated hole is gone to be covered by balance element, rotor surface effectively shortens dynamic without additional cladding other structures after balancing duplicate removal
Time needed for blance test；It goes repeated hole to be distributed in the side end face of rotor body, makes rotor appearance looks elegant.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of flywheel provided by the embodiment of the present invention；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the structural schematic diagram of motor shaft provided by the embodiment of the present invention；
Fig. 4 is the B-B cross-sectional view of Fig. 3；
Fig. 5 is the structural schematic diagram of standard screws provided by the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of short screw provided by the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of inner hole screw provided by the embodiment of the present invention；
Fig. 8 is the structural schematic diagram that mass screw is assembled with after flywheel duplicate removal provided by the embodiment of the present invention.
In figure:
1, rotor body；2, weight balancing component；3, flywheel；4, motor shaft；11, threaded hole；21, standard screws；22, short
Screw；23, inner hole screw；231, lightening hole.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", only
For descriptive purposes, it is not understood to indicate or imply relative importance.Wherein, term " first position " and " second position "
For two different positions.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection；It can be mechanical connection,
It is also possible to be electrically connected；It can be directly connected, can also can be inside two elements indirectly connected through an intermediary
Connection.For the ordinary skill in the art, can be understood with concrete condition above-mentioned term in the present invention specifically contain
Justice.
For axial symmetry rotor component, generallys use circle end face and bore orifice method removal unbalance mass, boring aperture
Size it is restricted, and drilling hole amount will affect the presentation quality of part too much, and the rotor having after drilling still needs to install cladding knot additional
Structure makes its outer surface reach regular shape, to avoid the flox condition for influencing its surrounding liquid；It is reduced according to the form of exacerbation
It is complicated to aggravate implementation Process for unbalance mass,.Thus on the one hand the present embodiment provides a kind of axis that weight structure is removed with dynamic balancing
Symmetric rotor, including rotor body 1 and weight balancing component 2 are respectively equipped with multiple duplicate removals on the both sides of the face of rotor body 1
Hole goes repeated hole to be uniformly distributed along the axis of rotor body 1；Weight balancing component 2 includes the balance element of multiple groups different weight, balance
Part is detachably connected with repeated hole is removed, by turning axial symmetry to the balance element for partly or entirely going in repeated hole to configure corresponding weight
Son meets requirement for dynamic balance.
Repeated hole is gone to be covered by balance element, rotor surface effectively shortens without additional cladding other structures after balancing duplicate removal
Time needed for dynamic balance running；It goes repeated hole to be distributed in the side end face of rotor body 1, makes rotor appearance looks elegant.
It goes that card slot can be set in repeated hole, is provided with fixture block on balance element, repeated hole and balance element is gone to be clamped.Remove repeated hole
It can be threaded hole 11, balance element is mass screw, and threaded hole 11 is threadedly coupled with mass screw.Second is used in the present embodiment
Kind form.As shown in Figs 1-4, using flywheel 3 and motor shaft 4 as the representative of axial symmetry rotor component, to dynamic balancing duplicate removal
The structure of the axial symmetry rotor of structure elaborates.The both sides of the face of flywheel 3 or motor shaft 4 uniformly process several threaded holes
11, the depth of threaded hole 11 is greater than the maximum length of the mass screw of subsequent assembly.Threaded hole 11 is set on both sides of the face,
It is due to being mostly the assembling structure of multiple parts inside flywheel 3 or other rotor components, inside can not arrange threaded hole 11.Axis pair
The unbalance mass, of title rotor is distributed within the scope of 1/2 radius to maximum outside diameter more and the duplicate removal range of standard requirements, to zero
Part duplicate removal more easily reachs required dynamic balance accuracy.Therefore optionally, threaded hole 11 is set at the 1/2 of the radius of side end face
To between the excircle of side end face.The specific location of threaded hole 11 is finally determined according to the structure of each rotor component.For appearance
Beauty, threaded hole 11 are counter sink.The nut of mass screw is installed in counter sink, makes the complete appearance and beauty of rotor, is turned
Sub- outer surface reaches regular shape, effectively avoids the flowing that its surrounding liquid is influenced when subsequent use.3 liang of flywheel in the present embodiment
Side end face is evenly arranged with 24 threaded holes 11 respectively, and 4 both sides of the face of motor shaft are evenly arranged with 8 threaded holes 11 respectively.This
Quantity, the size of threaded hole 11 are not particularly limited in invention, as long as meeting, threaded hole 11 is processable and there are surpluses, meets
Rotor strength requirement.
Mass screw includes the screw of multiple groups different weight, in order to be conducive to processing, the present embodiment preferably same size
The spiro rod length of mass screw is different, and the screw of multiple groups different weight is realized with this.The processing of screw is considered in the present embodiment
Property and production cost, screw include standard screws 21 and short screw 22, as shown in Figure 5,6, standard screws 21 are commercially available standard
Part.The length of short screw 22 is less than the length of standard screws 21, and short screw 22 is by standard screws 21 to the polished rod portion on its screw rod
Divide cut off and be process, mitigates the weight of standard screws 21 using the method for reducing spiro rod length, processability is good, and operation is simple
Just.Short screw 22 can also design the screw for being processed into a variety of different weights according to practical structures.
In order to increase the duplicate removal adjustable extent of mass screw, mass screw further includes inner hole screw 23, as shown in fig. 7, interior
The screw rod of hole screw 23 is equipped with axial lightening hole 231.The axial setting of lightening hole 231 be in order to guarantee inner hole screw 23 with
While the threaded connection intensity of threaded hole 11, and unbalance mass, needed for being able to satisfy duplicate removal.Inner hole short thread can be by marking
The quasi- directly processing lightening hole of screw 21 forms, and can also process lightening hole by short screw 22 and form.The weight of inner hole screw 23 is small
In other mass screws of equal length, i.e. the weight of inner hole screw 23 weight that is less than the standard screws 21 of equal length is interior
The weight of hole screw 23 is less than the weight of the short screw 22 of equal length.
Another aspect of the present invention provides a kind of for the dynamic flat of the axial symmetry rotor above-mentioned for removing weight structure with dynamic balancing
Weigh De-weight method, comprising:
Balance element is installed, in order to reduce the unbalance mass, distribution of rotor in dynamic balance running, by the balance of identical weight
Part is installed to each of rotor body 1 and goes in repeated hole；For the duplicate removal adjustable extent of expanding equilibrium part, in the present embodiment, will weigh
The maximum standard screws 21 of magnitude are installed in the threaded hole 11 of rotor body 1 as balance element；
Dynamic balance running finds out the angle of unbalance mass, on axial symmetry rotor, obtains test result；By axial symmetry rotor
It is installed to dynamic balancing machine and carries out dynamic balance running, find out the angle of unbalance mass,；
Balance element is adjusted, the weight of balance element is adjusted according to test result, until axial symmetry rotor meets requirement for dynamic balance:
The angle of the unbalance mass, according to obtained in previous step finds corresponding standard screws 21 and is dismantled；Or according to previous step
Middle test is as a result, replace the corresponding standard screws 21 that the angle of unbalance mass, is found with short screw 22 or inner hole screw 23；
Dynamic balance running is carried out again, if test result meets dynamically balanced requirement, duplicate removal process terminates；If test result is unsatisfactory for
Dynamically balanced requirement dismantles corresponding mass screw then according to this test result, or with the short screw 22 of different weight or
Inner hole screw 23 replaces the mass screw at imbalance, carries out dynamic balance running again, repeats aforesaid operations, until axial symmetry turns
Son meets requirement for dynamic balance.Wherein by standard screws 21, cutting processing forms short screw 22 in the longitudinal direction；Inner hole screw 23
Axial lightening hole 231 is processed on the end face of screw rod by standard screws 21 and/or short screw 22 to form.The upper left corner three in Fig. 8
Group is on rotor body 1 with the service condition that different form mass screw is likely to occur at circle diameter.Duplicate removal back axis turns
The case where mass screw being likely to occur in son uses: there may be standard screws 21, short screw 22 and inner holes in threaded hole 11
The case where screw 23 coexists, it is also possible to the case where being coexisted there are standard screws 21 and short screw 22 or standard screws 21 and inner hole
The case where screw 23 coexists.
Dynamic balancing De-weight method processes the weight for going repeated hole to be improved to by adjusting balance element by traditional on rotor body 1
Amount requires to reach balance, and rotor body 1 not recurring structure and weight change, easy to operate, time saving and energy saving, improves work effect
Rate.The processing cost of axial symmetry rotor is higher than the processing cost of mass screw, by the way of conventional borehole or welding weight,
It is affected to the structure of rotor, duplicate removal process misoperation may cause scrapping for rotor, and mass screw is at low cost, processing
Property is good, and duplicate removal process does not have an impact rotor body 1, can effectively avoid scrapping for rotor.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair
The restriction of embodiments of the present invention.For the those of ordinary skill in the field, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of axial symmetry rotor for removing weight structure with dynamic balancing characterized by comprising
Rotor body (1), be respectively equipped on the both sides of the face of the rotor body (1) it is multiple remove repeated hole, it is described to go repeated hole along institute
The circumferential direction for stating rotor body (1) is uniformly distributed；
Weight balancing component (2), the balance element including multiple groups different weight, the balance element go repeated hole detachably to connect with described
It connects, by going in repeated hole to configure the balance element to partly or entirely described, the dynamic balancing of the axial symmetry rotor can be adjusted.
2. the axial symmetry rotor according to claim 1 for removing weight structure with dynamic balancing, which is characterized in that described to remove repeated hole
For threaded hole (11), the balance element is mass screw, and the threaded hole (11) is threadedly coupled with the mass screw.
3. the axial symmetry rotor according to claim 2 for removing weight structure with dynamic balancing, which is characterized in that the threaded hole
(11) it is set at the 1/2 of the radius of the side end face between the excircle of the side end face.
4. the axial symmetry rotor according to claim 3 for removing weight structure with dynamic balancing, which is characterized in that the threaded hole
It (11) is counter sink.
5. the axial symmetry rotor according to claim 2 for removing weight structure with dynamic balancing, which is characterized in that the balance spiral shell
Nail includes the screw of a variety of different lengths.
6. the axial symmetry rotor according to claim 5 for removing weight structure with dynamic balancing, which is characterized in that the balance spiral shell
Nail further includes inner hole screw (23), and the screw rod of the inner hole screw (23) is equipped with axial lightening hole (231).
7. the axial symmetry rotor according to claim 6 for removing weight structure with dynamic balancing, which is characterized in that the inner hole spiral shell
The weight for following closely (23) is less than other described mass screws of equal length.
8. a kind of dynamic balancing for the described in any item axial symmetry rotors for removing weight structure with dynamic balancing of such as claim 1-7
De-weight method characterized by comprising
The balance element is installed, the balance element of identical weight is installed to each duplicate removal of the rotor body (1)
In hole；
Dynamic balance running finds out the angle of unbalance mass, on the axial symmetry rotor according to test result；
The balance element is adjusted, the weight of the corresponding balance element is adjusted according to the angle of the unbalance mass,；
The step of repeating above-mentioned dynamic balance running and adjustment balance element, until the axial symmetry rotor meets requirement for dynamic balance.
9. the dynamic balancing De-weight method of the axial symmetry rotor according to claim 8 for removing weight structure with dynamic balancing, special
Sign is, installs in the balance element step, and the balance element of original installation is the maximum one group of balance element of weight.
10. the dynamic balancing De-weight method of the axial symmetry rotor according to claim 9 for removing weight structure with dynamic balancing, special
Sign is, adjusts the balance element step specifically: finds the corresponding balance element according to the angle of the unbalance mass,；
The corresponding balance element is dismantled, with the original balance element of the lesser balance element replacement of weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910379936.2A CN110031149A (en) | 2019-05-08 | 2019-05-08 | A kind of axial symmetry rotor and its dynamic balancing De-weight method removing weight structure with dynamic balancing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910379936.2A CN110031149A (en) | 2019-05-08 | 2019-05-08 | A kind of axial symmetry rotor and its dynamic balancing De-weight method removing weight structure with dynamic balancing |
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| Publication Number | Publication Date |
|---|---|
| CN110031149A true CN110031149A (en) | 2019-07-19 |
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| CN201910379936.2A Pending CN110031149A (en) | 2019-05-08 | 2019-05-08 | A kind of axial symmetry rotor and its dynamic balancing De-weight method removing weight structure with dynamic balancing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112692342A (en) * | 2020-11-12 | 2021-04-23 | 中国航发沈阳黎明航空发动机有限责任公司 | Balanced machining method for circular part with uniformly distributed weights along circumference |
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| CN207939280U (en) * | 2018-03-21 | 2018-10-02 | 深圳派赛科技有限公司 | A kind of exacerbation dynamic balancing motor rotor |
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| US20150330224A1 (en) * | 2014-05-19 | 2015-11-19 | Snecma | Balanced rotor disc, and balancing method |
| CN204202818U (en) * | 2014-09-19 | 2015-03-11 | 中信戴卡宁波轮毂制造有限公司 | Dynamic wheelo balancer split-type calibration rotor |
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| CN112692342A (en) * | 2020-11-12 | 2021-04-23 | 中国航发沈阳黎明航空发动机有限责任公司 | Balanced machining method for circular part with uniformly distributed weights along circumference |
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Application publication date: 20190719 |