CN206375965U - A kind of torsion coupling resonance type residual stress cancellation element excited by eccentric motor - Google Patents
A kind of torsion coupling resonance type residual stress cancellation element excited by eccentric motor Download PDFInfo
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- CN206375965U CN206375965U CN201720092233.8U CN201720092233U CN206375965U CN 206375965 U CN206375965 U CN 206375965U CN 201720092233 U CN201720092233 U CN 201720092233U CN 206375965 U CN206375965 U CN 206375965U
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- eccentric motor
- exciting
- rotating shaft
- eccentric
- motor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model is related to a kind of torsion coupling resonance type residual stress cancellation element excited by eccentric motor, the twisting vibration of the torsional excitation device output excited by eccentric motor is applied on the rotating shaft of high rigidity, when the speed of rotating shaft is equal to the difference of natural bending frequency and torsional natural frequency, it is theoretical by torsion coupling resonance, the torsional excitation that one frequency is equal to torsional natural frequency can excite flexural resonance simultaneously, flexural resonance is mutually strengthened with torsional resonance, produces enough dynamic stress to eliminate the residual stress of high rigidity rotating shaft.The utility model solves the problem of torsion coupling resonance oscillating aging is limited by torsional excitation source, the residual stress of high rigidity rotating shaft is eliminated by the torsion coupling resonance excited by eccentric motor, efficiency is improved, it is simple and compact for structure, implement more to facilitate, service behaviour is relatively reliable.
Description
Technical field
The utility model is related to the mechanical oscillation stress eliminating device in mechanical field, and particularly one kind is swashed by eccentric motor
The torsion coupling resonance type residual stress cancellation element of hair.
Background technology
The dynamic stress produced using torsion coupling resonance eliminates the residual stress of rotating shaft part, is needed in implementation process
Countershaft is wanted to apply torsional excitation, when motor rotation frequency is equal to the difference of natural bending frequency and torsional natural frequency constantly, when
The torsional excitation of application is equal to torsional natural frequency, theoretical by Torsion Coupling, and eccentrically weighted shaft can excite flexural resonance simultaneously, bends
Resonance is mutually strengthened with torsional resonance, produces enough dynamic stress.The torsional excitation mode used at present mainly has electromagnetic exciting
Device, Pneumatic vibration exciter, hydraulic vibration exciter, but these exciter structures are complicated, reliability is not high, expensive, maintenance cost
Height, performance difficulty, it is difficult to which popularization is used.
Utility model content
The utility model provides a kind of torsion coupling resonance type residual stress cancellation element excited by eccentric motor, solves
Generation is horizontal the problem of turn round coupled resonance oscillating aging restricted torsional excitation source, by the torsional excitation that is excited by eccentric motor come
Excite torsion coupling resonance to eliminate residual stress, realize the effect of oscillating aging.
The technical scheme that the utility model solves the above problems is as follows：
A kind of torsion coupling resonance type residual stress cancellation element excited by eccentric motor, including rotating shaft, clutch shaft bearing,
Second bearing, first bearing seat, second bearing seat, motor, shaft coupling, chassis, disk, eccentric massblock and torsional excitation
Device, the torsional excitation device includes exciting frame, the exciting arm of force, positive electricity polar ring, negative electricity polar ring, the first eccentric motor, second inclined
Electrocardiograph, positive brush, negative brush and brush base；
Rotating shaft is arranged on chassis by clutch shaft bearing and first bearing seat and second bearing and second bearing seat, disk
It is fixed in rotating shaft and coaxial with rotating shaft, eccentric massblock is fixed on disk；
Motor is fixedly mounted on chassis, and the output shaft of motor is connected by shaft coupling with rotating shaft one end, the rotating shaft other end
The circle centre position of exciting frame bottom surface is fixedly connected on,
The center of the exciting arm of force is fixedly connected with the center of circle of exciting frame bottom surface, the first eccentric motor and the second eccentric motor
The two ends of the exciting arm of force are separately fixed at,
Positive electricity polar ring and negative electricity polar ring, which are arranged on, to be fixed on the outer tube wall of exciting frame, positive electricity polar ring and negative electricity polar ring point
It is not connected by wire with the first eccentric motor and the second eccentric motor,
Positive brush and negative brush are all fixed on brush base, and positive brush is contacted with positive electricity polar ring, negative brush and negative electrode
Ring is contacted, and positive brush and negative brush are connected to power supply.
The exciting arm of force and be separately mounted to first eccentric motor and the second eccentric motor at exciting arm of force two ends with
The exciting arm of force is centrally formed Central Symmetry, and then countershaft produces moment of torsion.
The exciting arm of force is in addition to center and the junction of exciting frame, and remaining two end portions is in hanging shape
State.
A kind of torsion coupling resonance type method for removing residual stress excited by eccentric motor, it is characterised in that specific step
Suddenly it is：
(1) torsional activator excited by eccentric motor and rotating shaft are rigidly connected, clutch disk and eccentric mass,
(2) by test, the relation between the natural bending frequency, torsional natural frequency and rotating speed of rotating shaft is obtained,
(3) by calculating, it is determined that the torsional activator excited by eccentric motor exports the size and frequency of torsional excitation,
(4) motor is started, setting speed is equal to the difference of natural bending frequency and torsional natural frequency, by eccentric motor
The torsional activator output torsional excitation excited is set as Torsional Vibration Natural Frequency, theoretical by torsion coupling resonance, flexural resonance with
Torsional resonance is mutually strengthened, and produces enough dynamic stress to eliminate the residual stress of high rigidity rotating shaft.
It is of the present utility model to have the prominent advantages that：
The utility model solves torsion coupling resonance oscillating aging and is not easy to apply torsional excitation to produce Torsion Coupling
The problem of resonance, the present apparatus is made up of component of machine mostly, and reliability is high, and compact conformation, cost is low, and maintenance is easy, exciting
Power produces driving torque by the arm of force, is adapted to larger exciting scope, and the exciting arm of force is adjustable, and eccentric motor is produced
Exciting force can be adjusted by eccentric mass, eccentric distance and eccentric motor rotating speed, eccentric block is changed, regulation is easy, can be with
Adjusted according to the actual conditions of experiment parts, flexibility is strong, in nominal speed range, it is possible to achieve stepless time adjustment,
Improve the safety and reliability of torsion coupling resonance type oscillating aging.
Brief description of the drawings
Fig. 1 is the knot of the torsion coupling resonance type residual stress cancellation element described in the utility model excited by eccentric motor
Structure schematic diagram.
Fig. 2 be the torsion coupling resonance type residual stress cancellation element described in the utility model excited by eccentric motor just
View.
Fig. 3 is the torsion of the torsion coupling resonance type residual stress cancellation element described in the utility model excited by eccentric motor
Shake the structural representation of driver.
Fig. 4 is the enlarged diagram of location A in Fig. 3.
Embodiment
A kind of torsion coupling resonance type residual stress cancellation element excited by eccentric motor, including rotating shaft 1, clutch shaft bearing
9th, second bearing 10, first bearing seat 16, second bearing seat 17, motor 7, shaft coupling 11, chassis 14, disk 12, eccentric mass
Block 13 and torsional excitation device, the torsional excitation device include exciting frame 2, the exciting arm of force 3, positive electricity polar ring 6, negative electricity polar ring
15th, the first eccentric motor 4, the second eccentric motor 5, positive brush 19, negative brush and brush base 20；
Rotating shaft 1 is arranged on bottom by clutch shaft bearing 9 and first bearing seat 16 and second bearing 10 and second bearing seat 17
On disk 14, disk 12 is fixed in rotating shaft 1 and coaxial with rotating shaft 1, and eccentric massblock 13 is fixed on disk 12；
Motor 7 is fixedly mounted on chassis 14, and the output shaft of motor 7 is connected by shaft coupling 11 with rotating shaft one end, rotating shaft
The other end is fixedly connected on the circle centre position of the bottom surface of exciting frame 2,
The center of the exciting arm of force 3 is fixedly connected with the center of circle of the bottom surface of exciting frame 2, and the first eccentric motor 4 and second is eccentric
Motor 5 is separately fixed at the two ends of the exciting arm of force 3,
Positive electricity polar ring 6 and negative electricity polar ring 15, which are arranged on, to be fixed on the outer tube wall of exciting frame 2, positive electricity polar ring 6 and negative electricity
Polar ring 15 is connected by wire 18 with the first eccentric motor 4 and the second eccentric motor 5 respectively,
Positive brush 19 and negative brush are all fixed on brush base 20, and positive brush 19 is contacted with positive electricity polar ring 6, negative brush with
Negative electricity polar ring 15 is contacted, and positive brush 19 and negative brush are connected to power supply.
Further, the exciting arm of force 3 and it is separately mounted to first eccentric motor 4 and at the two ends of the exciting arm of force 3
Two eccentric motors 5 are with the Central Symmetry that is centrally formed of the exciting arm of force 3, and then countershaft 1 produces moment of torsion.
Further, the exciting arm of force 3 is in addition to center and the junction of exciting frame, remaining both ends office
In vacant state.
Mark 8 is motor cabinet in figure.The exciting frame is cylinder barrel shaped, and positive electricity polar ring 6 and negative electricity polar ring 15 are coaxially pacified
On the cylindrical outer wall face of cylinder barrel shaped exciting frame, one end of cylinder barrel shaped exciting frame is all set provided with bottom surface or two ends
There is bottom surface.
During work, motor 7 drives rotating shaft 1 to rotate, and rotating shaft 1 drives the rotation of torsional excitation device, the first eccentric motor 4, second
The power line of eccentric motor 5 is connected by wire 18 through the hole in exciting frame 2 with positive electricity polar ring 6 and negative electricity polar ring 15, is turned
When axle 1 rotates, positive electricity polar ring 6 and negative electricity polar ring 15 are remained and contacted with positive brush 19 and negative brush, so that eccentric to first
Motor 4, the second eccentric motor 5 provide power supply and signal.After first eccentric motor 4 and the second eccentric motor 5 connection power initiation
Produce vibration so that the exciting arm of force vibrates, and then countershaft 1 produces moment of torsion.
The twisting vibration exported by torsional excitation device is applied in the rotating shaft 1 of the rotation of high rigidity, whenThe rotary frequency of rotating shaft 1 RateIt is equal toNatural bending frequencyWithTorsional natural frequencyDifference when, theoretical by torsion coupling resonance, a frequency, which is equal to, reverses solid
The torsional excitation for having frequency can be while have excited flexural resonance, and flexural resonance is mutually strengthened with torsional resonance, produces enough
Dynamic stress eliminates the residual stress of high rigidity rotating shaft 1.
A kind of torsion coupling resonance type method for removing residual stress excited by eccentric motor, is concretely comprised the following steps：
(1) torsional activator excited by eccentric motor and rotating shaft are rigidly connected, clutch disk and eccentric mass,
(2) by test, the relation between the natural bending frequency, torsional natural frequency and rotating speed of rotating shaft is obtained,
(3) by calculating, it is determined that the torsional activator excited by eccentric motor exports the size and frequency of torsional excitation,
(4) motor is started, setting speed is equal to the difference of natural bending frequency and torsional natural frequency, by eccentric motor
The torsional activator output torsional excitation excited is set as Torsional Vibration Natural Frequency, theoretical by torsion coupling resonance, flexural resonance with
Torsional resonance is mutually strengthened, and produces enough dynamic stress to eliminate the residual stress of high rigidity rotating shaft.
Claims (3)
1. a kind of torsion coupling resonance type residual stress cancellation element excited by eccentric motor, it is characterised in that including rotating shaft,
Clutch shaft bearing, second bearing, first bearing seat, second bearing seat, motor, shaft coupling, chassis, disk, eccentric massblock and
Torsional excitation device, the torsional excitation device includes exciting frame, the exciting arm of force, positive electricity polar ring, negative electricity polar ring, the first eccentric electricity
Machine, the second eccentric motor, positive brush, negative brush and brush base；
Rotating shaft is arranged on chassis by clutch shaft bearing and first bearing seat and second bearing and second bearing seat, and disk is fixed
In rotating shaft and coaxial with rotating shaft, eccentric massblock is fixed on disk；
Motor is fixedly mounted on chassis, and the output shaft of motor is connected by shaft coupling with rotating shaft one end, and the rotating shaft other end is fixed
The circle centre position of exciting frame bottom surface is connected to,
The center of the exciting arm of force is fixedly connected with the center of circle of exciting frame bottom surface, the first eccentric motor and the second eccentric motor difference
The two ends of the exciting arm of force are fixed on,
Positive electricity polar ring and negative electricity polar ring, which are arranged on, to be fixed on the outer tube wall of exciting frame, and positive electricity polar ring and negative electricity polar ring lead to respectively
Wire is crossed to be connected with the first eccentric motor and the second eccentric motor,
Positive brush and negative brush are all fixed on brush base, and positive brush is contacted with positive electricity polar ring, and negative brush connects with negative electricity polar ring
Touch, positive brush and negative brush are connected to power supply.
2. the torsion coupling resonance type residual stress cancellation element as claimed in claim 1 excited by eccentric motor, its feature
It is, the exciting arm of force and is separately mounted to first eccentric motor and the second eccentric motor at exciting arm of force two ends with exciting
The arm of force is centrally formed Central Symmetry, and then countershaft produces moment of torsion.
3. the torsion coupling resonance type residual stress cancellation element as claimed in claim 1 excited by eccentric motor, its feature
It is, the exciting arm of force is in addition to center and the junction of exciting frame, and remaining two end portions is in vacant state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720092233.8U CN206375965U (en) | 2017-01-20 | 2017-01-20 | A kind of torsion coupling resonance type residual stress cancellation element excited by eccentric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720092233.8U CN206375965U (en) | 2017-01-20 | 2017-01-20 | A kind of torsion coupling resonance type residual stress cancellation element excited by eccentric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206375965U true CN206375965U (en) | 2017-08-04 |
Family
ID=59400881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720092233.8U Withdrawn - After Issue CN206375965U (en) | 2017-01-20 | 2017-01-20 | A kind of torsion coupling resonance type residual stress cancellation element excited by eccentric motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN206375965U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702135A (en) * | 2017-01-20 | 2017-05-24 | 广西大学 | Eccentric-motor-excited bending-torsion coupled resonance type residual stress eliminating device |
| CN109443524A (en) * | 2018-10-30 | 2019-03-08 | 珠海格力智能装备有限公司 | The resonance treating method and apparatus of target device |
| CN109839254A (en) * | 2019-03-22 | 2019-06-04 | 东北大学 | It is a kind of based on the composite material heat reversely to resonate vibration fatigue experimental device and method |
| CN109900790A (en) * | 2019-03-22 | 2019-06-18 | 东北大学 | It is a kind of based on the composite material dynamic fatigue test device and method reversely to resonate |
-
2017
- 2017-01-20 CN CN201720092233.8U patent/CN206375965U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702135A (en) * | 2017-01-20 | 2017-05-24 | 广西大学 | Eccentric-motor-excited bending-torsion coupled resonance type residual stress eliminating device |
| CN106702135B (en) * | 2017-01-20 | 2018-06-01 | 广西大学 | A kind of torsion coupling resonance type residual stress cancellation element excited by eccentric motor |
| CN109443524A (en) * | 2018-10-30 | 2019-03-08 | 珠海格力智能装备有限公司 | The resonance treating method and apparatus of target device |
| CN109443524B (en) * | 2018-10-30 | 2021-01-29 | 珠海格力智能装备有限公司 | Resonance processing method and device for target equipment |
| CN109839254A (en) * | 2019-03-22 | 2019-06-04 | 东北大学 | It is a kind of based on the composite material heat reversely to resonate vibration fatigue experimental device and method |
| CN109900790A (en) * | 2019-03-22 | 2019-06-18 | 东北大学 | It is a kind of based on the composite material dynamic fatigue test device and method reversely to resonate |
| CN109839254B (en) * | 2019-03-22 | 2020-07-10 | 东北大学 | Composite material thermal vibration fatigue test device and method based on reverse resonance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170804 Effective date of abandoning: 20180601 |
|
| AV01 | Patent right actively abandoned |