CN108144832A - A kind of rotation vibrator of quick adjusting exciting force - Google Patents
A kind of rotation vibrator of quick adjusting exciting force Download PDFInfo
- Publication number
- CN108144832A CN108144832A CN201611104500.5A CN201611104500A CN108144832A CN 108144832 A CN108144832 A CN 108144832A CN 201611104500 A CN201611104500 A CN 201611104500A CN 108144832 A CN108144832 A CN 108144832A
- Authority
- CN
- China
- Prior art keywords
- vibrator
- rotation
- rotation vibrator
- rotor
- housing
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
- B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
Abstract
The present invention relates to rotation vibrator technical fields, especially a kind of rotation vibrator of quick adjusting exciting force, the rotation vibrator rotor passes through dynamic bearing and the right roller bearings of rolling left, and the outer shroud of roll left dynamic bearing and right rolling bearing is installed on rotation vibrator housing, the rotation vibrator left end cap will rotate vibrator rotor by multiple screws with rotation vibrator right end cap and be enclosed in rotation vibrator housing, and uneven balancing disk is equipped with unbalance mass, screw, motor stator is provided in rotation vibrator housing on the outside of the magnetic steel of motor, and rotation vibrator rotor is respectively by rolling left dynamic bearing and right rolling bearing is transferred on rotation vibrator housing, the rotation vibrator hull outside is equipped with vibrator connector.The present invention can simulate the dynamic ex-citing forces that rotor motion generates in rotating machinery, have the characteristics that simple in structure, convenient and flexible installation, reliability are high, exciting force is adjustable.
Description
Technical field
The present invention relates to rotation vibrator technical field more particularly to a kind of rotation vibrators of quick adjusting exciting force.
Background technology
Rotation vibrator is used for generating Periodic Rotating exciting force, to simulate the dynamic that rotor operating generates in rotating machinery
Exciting force.Rotation vibrator is mainly used in the dynamic characteristic identification of rotating machinery stationary support structure and vibration transmissibility assessment
In.Rotate vibrator in the process of work simultaneously, it is desirable to be able to adjust the size and phase of rotation dynamic ex-citing forces, Jin Ershi
The now multi-state output of rotation vibrator.But very widely used today vibrator is largely fluid pressure type vibrator or electromagnetism
Formula vibrator, the exciting forces for belonging to general expression vibrator or inertial exciter, generating from structure and mounting means more
For one direction exciting force, the demand of the multi-direction exciting of periodicity of rotary machine rotor can not be met.It is meanwhile quiet in rotating machinery
Only in support construction dynamic characteristic identification experiment, urgently it is required to rapidly adjust the size of rotation excitation power.
Invention content
The purpose of the present invention is to solve shortcoming in the prior art, and the quick adjusting exciting force of one kind proposed
Rotation vibrator, the dynamic ex-citing forces that rotor motion in rotating machinery generates can be simulated, had simple in structure, flexible for installation
Conveniently, the characteristics of reliability is high, exciting force is adjustable.
To achieve these goals, present invention employs following technical solutions：
A kind of rotation vibrator of quick adjusting exciting force is designed, including rotation vibrator left end cap, rotation vibrator shell
Body, the dynamic bearing that rolls left, right rolling bearing, rotation vibrator rotor and rotation vibrator right end cap, the rotation vibrator rotor
By dynamic bearing and the right roller bearings of rolling left, and the outer shroud of roll left dynamic bearing and right rolling bearing is installed in rotation exciting
On device housing, the rotation vibrator left end cap will rotate vibrator rotor with rotation vibrator right end cap by multiple screws
It is enclosed in rotation vibrator housing, the rotation vibrator rotor is made of magnetic steel of motor and uneven balancing disk, and uneven
The balancing disk that weighs is equipped with unbalance mass, screw, and it is quiet to be provided with motor in the rotation vibrator housing on the outside of the magnetic steel of motor
Son, the rotation vibrator rotor dynamic rotary exciting force that unbalance mass, generates in high-speed rotation process, and rotate and swash
Device rotor shake respectively by rolling left dynamic bearing and right rolling bearing is transferred on rotation vibrator housing, the rotation vibrator shell
External side is equipped with vibrator connector.
Preferably, it is corresponded on the rotation vibrator housing at unbalance mass, adjustment position and is provided with scallop.
Preferably, the rotation vibrator rotor is connected with high-speed permanent magnet motor by magnetic steel of motor, and Permanent Magnet and Electric is electromechanical
Property is connected with frequency converter.
Preferably, the magnetic steel of motor and uneven balancing disk are an integral structure.
Preferably, the dynamic bearing gap between rotation vibrator rotor and rotation vibrator inner walls respectively of rolling left
Cooperation, the right rolling bearing is respectively rotating clearance fit between vibrator rotor and rotation vibrator right end cap.
A kind of rotation vibrator of quick adjusting exciting force proposed by the present invention, advantageous effect are：
1st, rotation vibrator high-speed permanent magnet motor drive scheme proposed by the present invention, can be effectively reduced rotation vibrator
The weight and volume of equipment, and the working speed of rotation vibrator by Frequency Converter Control, can be effectively adjusted, realize that difference swashs
The output of vibration frequency；
2nd, quick adjusting exciting force scheme proposed by the present invention, can be in the condition for avoiding dismounting rotation exciter structure
Under, it fast and effeciently realizes the adjustment of dynamic rotary exciting force, avoids complicated cumbersome dynamic ex-citing forces range-adjusting link；
3rd, proposition of the invention rotation vibrator high speed permanent magnet motor rotor structure, using magnetic steel of magnetoelectric machine rotor and not
Counterweight disk is conducive to improve the critical speed of high-speed rotor system, caused by avoiding rotor cantilever across the scheme of interior arrangement
Additional load improves rotation vibrator reliability of operation.
Description of the drawings
Fig. 1 is a kind of structure diagram of the rotation vibrator of quick adjusting exciting force proposed by the present invention；
Fig. 2 is a kind of overall structure diagram of the rotation vibrator of quick adjusting exciting force proposed by the present invention；
Fig. 3 is a kind of schematic diagram of the rotation vibrator of quick adjusting exciting force proposed by the present invention.
In figure：Vibrator left end cap 1 is rotated, rotation vibrator housing 2, the dynamic bearing 3 that rolls left, right rolling bearing 4, rotates and swashs
Shake device rotor 5, rotation vibrator right end cap 6, magnetic steel of motor 7, uneven balancing disk 8, vibrator connector 9, scallop 10,
Motor stator 11.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
With reference to Fig. 1-2, a kind of rotation vibrator of quick adjusting exciting force swashs including rotation vibrator left end cap 1, rotation
Shake device housing 2, the dynamic bearing 3 that rolls left, right rolling bearing 4, rotation vibrator rotor 5 and rotation vibrator right end cap 6, rotates exciting
Device rotor 5 is by rolling left dynamic bearing 3 and right rolling bearing 4 supports, and the outer shroud of roll left dynamic bearing 3 and right rolling bearing 4 is pacified
On rotation vibrator housing 2, rotation vibrator left end cap 1 will be revolved with rotation vibrator right end cap 6 by multiple screws
Turn vibrator rotor 5 to be enclosed in rotation vibrator housing 2, unbalance mass, adjustment position is corresponded on rotation vibrator housing 2
Place is provided with scallop 10, and Fast Installation and the adjustment of unbalance mass, are realized by scallop 11.
Rotation vibrator rotor 5 is made of magnetic steel of motor 7 and uneven balancing disk 8, magnetic steel of motor 7 and uneven balancing disk
8 are an integral structure, and uneven balancing disk 8 is equipped with unbalance mass, screw, realize that the amplitude of rotation excitation power is adjusted, electricity
Motor stator 11 is provided in the rotation vibrator housing 2 in 7 outside of machine magnet steel, magnetic steel of motor 7 passes through corresponding with motor stator 11
Installation rotates 5 high speed rotation of vibrator rotor by electromagnetism power drive, and rotation vibrator rotor 5 is connected with by magnetic steel of motor 7
High-speed permanent magnet motor, and magneto is electrically connected with frequency converter, rotation vibrator rotor 5 is uneven in high-speed rotation process
The dynamic rotary exciting force that quality generates, and vibrator rotor 5 is rotated respectively by rolling left dynamic bearing 3 and right rolling bearing 4 passes
It is handed on rotation vibrator housing 2,2 outside of rotation vibrator housing is equipped with vibrator connector 9, and vibrator connector 9 is real
Now rotate the output of vibrator rotation excitation power.
Roll left the clearance fit between 2 inner wall of rotation vibrator rotor 5 and rotation vibrator housing respectively of dynamic bearing 3, right
Rolling bearing 4 rotating clearance fit between vibrator rotor 5 and rotation vibrator right end cap 6, ensure that rotation exciting respectively
Stability when device rotor 5 rotates, so as to improve its working efficiency.
Referring to Fig. 3, unbalance mass, is added on unbalance mass, disk 8, drives rotation vibrator rotor high by motor
Speed rotation, high-speed rotating unbalance mass, and then generation rotation excitation power, are by bearing branch due to entirely rotating vibrator
Support, therefore the rotation excitation power acted on rotor is transferred to eventually by bearing on test specimen, enables to whirler
Installation rotor can be avoided in tool stationary support attribute testing and drives rotor rotation, avoids the limitation of drive condition,
It can realize the convenient control of exciting force frequency and amplitude, period rotation excitation power is simulated more true.
More than, it is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, it is any
Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of rotation vibrator of quick adjusting exciting force, including rotation vibrator left end cap (1), rotation vibrator housing
(2), roll left dynamic bearing (3), right rolling bearing (4), rotation vibrator rotor (5) and rotation vibrator right end cap (6), feature
It is：The rotation vibrator rotor (5) is supported, and the dynamic bearing that rolls left by the dynamic bearing that rolls left (3) and right rolling bearing (4)
(3) be installed in the outer shroud of right rolling bearing (4) in rotation vibrator housing (2), the rotation vibrator left end cap (1) with
Rotation vibrator right end cap (6) will rotate vibrator rotor (5) by multiple screws and be enclosed in rotation vibrator housing (2)
Interior, the rotation vibrator rotor (5) is made of magnetic steel of motor (7) and uneven balancing disk (8), and uneven balancing disk (8)
Equipped with unbalance mass, screw, motor stator is provided in the rotation vibrator housing (2) on the outside of the magnetic steel of motor (7)
(11), rotation vibrator rotor (5) the dynamic rotary exciting force that unbalance mass, generates in high-speed rotation process, and revolve
Turn vibrator rotor (5) to be transferred on rotation vibrator housing (2) by the dynamic bearing that rolls left (3) and right rolling bearing (4) respectively,
Vibrator connector (9) is installed on the outside of the rotation vibrator housing (2).
2. the rotation vibrator of a kind of quick adjusting exciting force according to claim 1, which is characterized in that the rotation swashs
It shakes to correspond on device housing (2) and is provided with scallop (10) at unbalance mass, adjustment position.
3. the rotation vibrator of a kind of quick adjusting exciting force according to claim 1, which is characterized in that the rotation swashs
The device rotor (5) that shakes is connected with high-speed permanent magnet motor, and magneto is electrically connected with frequency converter by magnetic steel of motor (7).
A kind of 4. rotation vibrator of quick adjusting exciting force according to claim 1, which is characterized in that the motor magnetic
Steel (7) and uneven balancing disk (8) are an integral structure.
5. a kind of rotation vibrator of quick adjusting exciting force according to claim 1, which is characterized in that it is described roll left it is dynamic
Bearing (3) clearance fit, the right rolling between rotation vibrator rotor (5) and rotation vibrator housing (2) inner wall respectively
Bearing (4) is respectively rotating clearance fit between vibrator rotor (5) and rotation vibrator right end cap (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611104500.5A CN108144832A (en) | 2016-12-05 | 2016-12-05 | A kind of rotation vibrator of quick adjusting exciting force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611104500.5A CN108144832A (en) | 2016-12-05 | 2016-12-05 | A kind of rotation vibrator of quick adjusting exciting force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108144832A true CN108144832A (en) | 2018-06-12 |
Family
ID=62470553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611104500.5A Pending CN108144832A (en) | 2016-12-05 | 2016-12-05 | A kind of rotation vibrator of quick adjusting exciting force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108144832A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114910235A (en) * | 2022-06-08 | 2022-08-16 | 北京航空航天大学 | Adjustable fulcrum dynamic load rotary excitation device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11179283A (en) * | 1997-12-22 | 1999-07-06 | Matsushita Electric Ind Co Ltd | Vibration generator for portable equipment |
| CN201493242U (en) * | 2009-08-25 | 2010-06-02 | 北京翔博科技有限责任公司 | Exciter |
| CN102522835A (en) * | 2011-12-27 | 2012-06-27 | 宝鸡航天华科机电工业有限公司 | Brushless direct current permanent magnet motor having characteristics of low noise, low vibration and low temperature rise and assembly technology thereof |
| CN103101101A (en) * | 2013-01-23 | 2013-05-15 | 山东科技大学 | Block forming vibration exciter based on chaotic vibration |
| CN105251687A (en) * | 2015-11-24 | 2016-01-20 | 东北大学 | Rotary vibration exciter capable of adjusting eccentric mass |
| CN105790492A (en) * | 2016-04-25 | 2016-07-20 | 歌尔声学股份有限公司 | Inertia exciting motor |
| CN106111512A (en) * | 2016-06-20 | 2016-11-16 | 吉林大学 | Eccentric throw radial adjustable inertia vibration generator and application thereof |
-
2016
- 2016-12-05 CN CN201611104500.5A patent/CN108144832A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11179283A (en) * | 1997-12-22 | 1999-07-06 | Matsushita Electric Ind Co Ltd | Vibration generator for portable equipment |
| CN201493242U (en) * | 2009-08-25 | 2010-06-02 | 北京翔博科技有限责任公司 | Exciter |
| CN102522835A (en) * | 2011-12-27 | 2012-06-27 | 宝鸡航天华科机电工业有限公司 | Brushless direct current permanent magnet motor having characteristics of low noise, low vibration and low temperature rise and assembly technology thereof |
| CN103101101A (en) * | 2013-01-23 | 2013-05-15 | 山东科技大学 | Block forming vibration exciter based on chaotic vibration |
| CN105251687A (en) * | 2015-11-24 | 2016-01-20 | 东北大学 | Rotary vibration exciter capable of adjusting eccentric mass |
| CN105790492A (en) * | 2016-04-25 | 2016-07-20 | 歌尔声学股份有限公司 | Inertia exciting motor |
| CN106111512A (en) * | 2016-06-20 | 2016-11-16 | 吉林大学 | Eccentric throw radial adjustable inertia vibration generator and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114910235A (en) * | 2022-06-08 | 2022-08-16 | 北京航空航天大学 | Adjustable fulcrum dynamic load rotary excitation device |
| CN114910235B (en) * | 2022-06-08 | 2023-02-28 | 北京航空航天大学 | Adjustable fulcrum dynamic load rotary excitation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103698128B (en) | A kind of air gaps hybrid magnetic suspension bearing performance testing device | |
| Saleem et al. | Detection of unbalance in rotating machines using shaft deflection measurement during its operation | |
| Munteanu et al. | Five-axis magnetic suspension with two conical air gap bearingless PM synchronous half-motors | |
| CA2940964A1 (en) | Balancing method for balancing at high speed a rotor of a rotary machine | |
| CN110118632B (en) | Method for measuring the unbalance of a shaft-elastic rotor by means of a displacement sensor | |
| CN110567660B (en) | Unbalance excitation test bed for elastic support rotor system and method for measuring rigidity of elastic ring of unbalance excitation test bed | |
| CN107860581B (en) | Unbalanced vibration comprehensive test bed for modularized engine rotor | |
| CN103312215B (en) | Shaft end overhanging-type piezoelectric beam generator based on clamp limit | |
| JP2008535167A (en) | X-ray generator with rotating anode | |
| CN106768642A (en) | A kind of dissection type automatic balancing arrangement for realizing rotating machinery on line auto balancing | |
| CN210571266U (en) | Vibration centrifugal composite test equipment | |
| Yatsun et al. | Equations of motion of vibration machines with a translational motion of platforms and a vibration exciter in the form of a passive auto-balancer | |
| CN205613669U (en) | Small -size inertial -type vibration exciter | |
| CN113765301B (en) | Magnetic suspension motor and method for improving dynamic balance debugging accuracy | |
| CN108144832A (en) | A kind of rotation vibrator of quick adjusting exciting force | |
| Pan et al. | Optimal design of novel electromagnetic-ring active balancing actuator with radial excitation | |
| CN109374300B (en) | UMP-based rub-impact rotor-bearing system vibration characteristic analysis method | |
| CN110702347A (en) | Vibration centrifugal composite test equipment and control method thereof | |
| US7872380B2 (en) | Apparatus and method for generating rotary oscillations | |
| US9588524B2 (en) | Vibration control device and control method therefor | |
| CN207753635U (en) | A kind of built-in piezo-electric type on-line dynamic balancing execution structure | |
| CN105772381A (en) | Small inertia type vibration exciter | |
| US20220200400A1 (en) | Oscillation Excitation Device for Producing Oscillations and/or Vibrations | |
| CN203313092U (en) | Shaft-end overhanging-type piezoelectric beam generator based on clamping limit | |
| Cheng et al. | Vibration detection and experiment of PMSM high speed grinding motorized spindle based on frequency domain technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180612 |