CN108187997A - A kind of cam-type Chaotic Vibration Exciter - Google Patents
A kind of cam-type Chaotic Vibration Exciter Download PDFInfo
- Publication number
- CN108187997A CN108187997A CN201810072496.1A CN201810072496A CN108187997A CN 108187997 A CN108187997 A CN 108187997A CN 201810072496 A CN201810072496 A CN 201810072496A CN 108187997 A CN108187997 A CN 108187997A
- Authority
- CN
- China
- Prior art keywords
- cam
- mass body
- push rod
- spring assembly
- pedestal
- 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
- 230000000739 chaotic effect Effects 0.000 title claims abstract description 27
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 36
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 9
- 229920001971 elastomer Polymers 0.000 claims description 14
- 239000000806 elastomer Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000004615 ingredient Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- B06B1/12—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving reciprocating masses
- B06B1/14—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving reciprocating masses the masses being elastically coupled
Abstract
The present invention relates to a kind of cam-type Chaotic Vibration Exciters, belong to vibration engineering equipment technical field.The present invention includes cam, spring assembly, pedestal, n mass body, and the n mass body includes 1 with upper push-rod；Cam is in contact with push rod, push rod is vibrated with the rotation of cam, push rod is placed in the guide rail of pedestal formation and is hung and/or be supported on pedestal by spring assembly, n mass body is hung by spring assembly and/or is supported on other mass bodies in addition to itself, the vibrational system of n degree of freedom is formed, is sliding friction relationship between mass body and mass body, when being in direct contact between mass body and pedestal.The present invention increases the larger frequency multiplication ingredient of energy on the basis of traditional vibrator dominant frequency is remained；Hammer vibration energy total simultaneously increases, and solve thes problems, such as that existing vibrator excited frequency is single, energy consumption greater efficiency is relatively low.
Description
Technical field
The present invention relates to a kind of cam-type vibration exciter, particularly a kind of efficient chaotic vibration vibrator belongs to and shakes
Dynamic technical field of engineering equipment.
Background technology
At present, common cam-type vibration exciter is simple substance amount（That is single-degree-of-freedom）Vibrational system, the exciting frequency of generation
Rate is single.With the development of modern vibration engineering technology, the exciting effect of vibration exciter, bandwidth, efficiency, energy consumption etc. are carried
Higher requirement is gone out.The cam-type vibration exciter of existing single-frequency cannot reach better in vibration engineering technology
Exciting effect, and exciting efficiency is relatively low, energy consumption is higher.
Invention content
The technical solution adopted by the present invention is to provide a kind of cam-type chaotic vibration vibrator, can meet current vibration work
The requirement of journey technology, and exciting efficiency is improved, the present invention passes through on the basis of traditional single-degree-of-freedom cam-type vibration exciter
Elastomeric suspension or support quality form formed Mdof Vibration System and between quality and quality, quality and pedestal it
Between be sliding friction relationship.If it is theoretical according to chaotic vibration it is found that between quality and quality or any quality and pedestal it
Between be sliding friction relationship, it will be able to make entire excitation system that the uncertainty of movement, i.e. chaotic property be presented in subrange.
The frequency for making vibration is become wideband by chaotic vibration vibrator from single-frequency, on the basis of traditional vibrator dominant frequency is remained, is increased
The frequency multiplication ingredient that energy is larger is added；Hammer vibration energy total simultaneously increases, and efficiently solves existing cam-type vibrator and swashs
The problem of vibration frequency is single, energy consumption greater efficiency is relatively low can be widely used in and the relevant each industrial circle of vibration engineering.
The technical solution adopted by the present invention is：A kind of cam-type Chaotic Vibration Exciter, including cam 1, spring assembly, pedestal 6,
N mass body, the n mass body include 1 with upper push-rod 2；
Cam is in contact with push rod 2, and push rod 2 is vibrated with the rotation of cam 1, and push rod 2 is placed in the guide rail of the formation of pedestal 6 and leads to
It crosses spring assembly suspension and/or is supported on pedestal 6, n mass body is hung by spring assembly and/or be supported on except itself it
On outer other mass bodies, the vibrational system of n degree of freedom is formed, between mass body and mass body, between mass body and pedestal
It is sliding friction relationship when being in direct contact.
Preferably, the cam 1 is the disc cam of arbitrary curve or the cylindrical cam of arbitrary surface.
Preferably, the push rod 2 is flat or roller or pinnacle structure.
Preferably, the spring assembly is metal spring or rubber.
Preferably, the spring assembly is attached by welding or bolted form with other connecting components.
Specifically, the spring assembly includes spring base, elastomer, and elastomer is mounted between upper and lower two spring bases,
Upper and lower two spring bases are equipped with connection screw hole, and upper and lower two spring bases pass through the bolt for passing through connection screw hole and other connecting portions
Part is attached.
Preferably, the number n of the mass body is 2, including push rod 2, mass body I 5；Spring assembly includes spring assembly I
3rd, spring assembly II 4；Wherein push rod 2 is placed in the guide rail of the formation of pedestal 6 and passes through the suspension of spring assembly II 4 and/or be supported on
On pedestal 6, mass body I 5 is hung by spring assembly I 3 and/or is supported on push rod 2.
More preferably, if between the push rod 2 and mass body I 5, between push rod 2 and pedestal 6, between mass body I 5 and pedestal 6
It is in direct contact, is then sliding friction relationship.
The beneficial effects of the invention are as follows：
It is the configuration of the present invention is simple, easily fabricated, efficient, energy can be increased on the basis of conventional cam formula vibrator dominant frequency
Measure larger frequency multiplication ingredient；Total hammer vibration energy is made to increase simultaneously.
Description of the drawings
Fig. 1 is a kind of structure diagram of cam-type chaotic vibration vibrator of the present invention；
Fig. 2 is the structure diagram of another cam-type chaotic vibration vibrator of the present invention；
Fig. 3 is the structure diagram of another cam-type chaotic vibration vibrator of the present invention；
Fig. 4 is the A-A sectional views in Fig. 3；
Fig. 5 is push rod 2 of the present invention when being roller structure and the connection diagram of cam 1；
Fig. 6 is push rod 2 of the present invention when being pinnacle structure and the connection diagram of cam 1；
Fig. 7 is push rod 2 of the present invention when being flat-bottom structure and the connection diagram of cam 1；
Fig. 8 is the structure diagram of spring assembly of the present invention.
Specific embodiment
Below by drawings and examples, the present invention is described in more detail, but protection scope of the present invention is not limited to
The content.
Embodiment 1：As shown in figures 1-8, a kind of cam-type Chaotic Vibration Exciter, it is a including cam 1, spring assembly, pedestal 6, n
Mass body, the n mass body include 1 with upper push-rod 2；
Cam is in contact with push rod 2, and push rod 2 is vibrated with the rotation of cam 1, and push rod 2 is placed in the guide rail of the formation of pedestal 6 and leads to
It crosses spring assembly suspension and/or is supported on pedestal 6, n mass body is hung by spring assembly and/or be supported on except itself it
On outer other mass bodies, the vibrational system of n degree of freedom is formed, between mass body and mass body, between mass body and pedestal
It is sliding friction relationship when being in direct contact.
Further, the cam 1 is the disc cam of arbitrary curve or the cylindrical cam of arbitrary surface.
Further, the push rod 2 is flat or roller or pinnacle structure.
Further, the spring assembly is metal spring or rubber.
Further, the spring assembly is attached by welding or bolted form with other connecting components.
Specifically, the spring assembly includes spring base, elastomer, and elastomer is mounted between upper and lower two spring bases,
Upper and lower two spring bases are equipped with connection screw hole, and upper and lower two spring bases pass through the bolt for passing through connection screw hole and other connecting portions
Part is attached.As shown in Figure 8：Elastomer is metal spring or rubber, spring base for metal product or plastics etc. its
Its on-metallic article, on spring base can processing screw hole, the form that can be threaded or weld is connected with other associated components
It connects.
Embodiment 2：As shown in Figure 1, a kind of cam-type Chaotic Vibration Exciter, including 6,2 cam 1, spring assembly, pedestal matter
Body is measured, 2 mass bodies include 1 push rod 2；Cam is in contact with push rod 2, and push rod 2 is vibrated with the rotation of cam 1；
The mass body number is 2, including push rod 2, mass body I 5（In Fig. 1, push rod 2 represents m1, and mass body I 5 represents m2）；
Spring assembly includes spring assembly I 3, spring assembly II 4（In Fig. 1, spring assembly I 3 represents that k1, spring assembly II 4 are represented
k）；Wherein push rod 2 is placed in the guide rail of the formation of pedestal 6 and passes through spring assembly II 4 and is supported on pedestal 6, I 5 upper end of mass body
It is suspended on push rod 2 by spring assembly I 3, I 5 lower end of mass body is supported on by spring assembly I 3 on push rod 2, forms two certainly
By degree vibrational system, between push rod 2 and mass body I 5, when being in direct contact between push rod 2 and pedestal 6 be sliding friction relationship.
Further, the cam 1 is the disc cam of arbitrary curve.
Further, the push rod 2 is plain base structure.
Further, the spring assembly is metal spring or rubber.
Further, the spring assembly is attached by welding or bolted form with other connecting components.
Further, the spring assembly include spring base, elastomer, elastomer be mounted on upper and lower two spring bases it
Between, upper and lower two spring bases are equipped with connection screw hole, and upper and lower two spring bases pass through the bolt for passing through connection screw hole and other companies
Relay part is attached.
Thus make entire excitation system that the uncertainty of movement, i.e. chaotic property, Chaotic Vibration Exciter be presented in subrange
The frequency for making vibration is become into wideband from single-frequency, vibrator is made to make irregular, unduplicated oscillating movement.Swash remaining tradition
On the basis of device dominant frequency of shaking, the larger frequency multiplication ingredient of energy is increased；Hammer vibration energy total simultaneously increases.
Embodiment 3：As shown in Fig. 2, mass body I 5 passes through spring assembly I 3 in the present embodiment（k1）It is suspended on push rod 2（Matter
Measure m1）On, form Vibrating System with Two Degrees of Freedom, mass body I 5（m2）It is sliding friction relationship when being in direct contact between pedestal 6,
The push rod 2 is pinnacle structure, remaining is the same as embodiment 2.
Embodiment 4：As shown in Figure 3,4, the cam 1 in the present embodiment be cylindrical cam, push rod 2（Quality m1）2 be pinnacle
Formula push rod, remaining is the same as embodiment 2.
In above-described embodiment, part is shown only, push rod 2, which is placed in the guide rail of the formation of pedestal 6, can also pass through spring
Component II 4 is suspended on pedestal 6, and push rod 2, which is placed in the guide rail of the formation of pedestal 6, to be hung and be propped up by spring assembly II 4
Support is on pedestal 6；Any one in three can be selected for sliding friction relationship, can also be arbitrary two kinds or three kinds,
These can be chosen at random to collocation；The present invention push rod end form can be flat, roller, pinnacle any one（See Fig. 5,
6、7）, cam 1 can be the disc cam of arbitrary curve or the cylindrical cam of arbitrary surface, and cam 1 is appointed with 2 end form of push rod
One combination can form different embodiments；The present invention can be hung or be propped up by spring again on push rod 2 or mass body I 5
It supports other mass bodies and forms multimass vibrational system（More than two degree of freedom）.
When the key of formation chaotic vibration is that vibrator is in direct contact between multiple degrees of freedom and each relative motion entity
Be presented sliding friction relationship, in the present invention, between mass body and mass body, when being in direct contact between mass body and pedestal to slide
Friction law according to chaotic vibration theory, makes entire excitation system that the uncertainty of movement, i.e. chaos be presented in subrange
Property, Chaotic Vibration Exciter makes the frequency of vibration become wideband from single-frequency, on the basis of traditional vibrator dominant frequency is remained, increases
The larger frequency multiplication ingredient of energy；Total hammer vibration energy increases simultaneously, efficiently solve existing vibrator excited frequency it is single,
The problem of energy consumption greater efficiency is relatively low can be widely used in each industry such as metallurgy, mining industry, oil, building, machinery, material processing
Field.
The specific embodiment of the present invention is explained in detail above in association with attached drawing, but the present invention is not limited to above-mentioned
Embodiment, within the knowledge of a person skilled in the art, can also be before present inventive concept not be departed from
Put that various changes can be made.
Claims (8)
1. a kind of cam-type Chaotic Vibration Exciter, it is characterised in that：Including cam（1）, spring assembly, pedestal（6）, n mass body,
The n mass body includes 1 with upper push-rod（2）；
Cam（1）With push rod（2）It is in contact, push rod（2）With cam（1）Rotation and vibrate, push rod（2）It is placed in pedestal（6）Shape
Into guide rail in and by spring assembly hang and/or be supported on pedestal（6）On, n mass body by spring assembly suspension and/
Or be supported on other mass bodies in addition to itself, the vibrational system of n degree of freedom is formed, between mass body and mass body,
It is sliding friction relationship when being in direct contact between mass body and pedestal.
2. a kind of cam-type Chaotic Vibration Exciter according to claim 1, it is characterised in that：The cam（1）It is arbitrary bent
The disc cam of line or the cylindrical cam of arbitrary surface.
3. a kind of cam-type Chaotic Vibration Exciter according to claim 1, it is characterised in that：The push rod（2）To be flat or
Roller or pinnacle structure.
4. a kind of cam-type Chaotic Vibration Exciter according to claim 1, it is characterised in that：The spring assembly is metal elastic
Spring or rubber.
5. a kind of cam-type Chaotic Vibration Exciter according to claim 1, it is characterised in that：The spring assembly passes through welding
Or bolted form is attached with other connecting components.
6. a kind of cam-type Chaotic Vibration Exciter according to claim 5, it is characterised in that：The spring assembly includes spring
Seat, elastomer, elastomer are mounted between upper and lower two spring bases, and upper and lower two spring bases, which are equipped with, couples screw hole, and upper and lower two
A spring base is by passing through the bolt of connection screw hole to be attached with other connecting components.
7. a kind of cam-type Chaotic Vibration Exciter according to claim 1, it is characterised in that：The number n of the mass body is
2, including push rod（2）, mass body I（5）；Spring assembly includes spring assembly I（3）, spring assembly II（4）；Wherein push rod（2）It puts
In pedestal（6）In the guide rail of formation and pass through spring assembly II（4）Hang and/or be supported on pedestal（6）On, mass body I（5）It is logical
Cross spring assembly I（3）Hang and/or be supported on push rod（2）On.
8. a kind of cam-type Chaotic Vibration Exciter according to claim 7, it is characterised in that：The push rod（2）With mass body I
（5）Between, push rod（2）With pedestal（6）Between, mass body I（5）With pedestal（6）It is in direct contact between if, is closed for sliding friction
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810072496.1A CN108187997A (en) | 2018-01-25 | 2018-01-25 | A kind of cam-type Chaotic Vibration Exciter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810072496.1A CN108187997A (en) | 2018-01-25 | 2018-01-25 | A kind of cam-type Chaotic Vibration Exciter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108187997A true CN108187997A (en) | 2018-06-22 |
Family
ID=62591228
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810072496.1A Pending CN108187997A (en) | 2018-01-25 | 2018-01-25 | A kind of cam-type Chaotic Vibration Exciter |
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| Country | Link |
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| CN (1) | CN108187997A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939631A (en) * | 2019-12-26 | 2020-03-31 | 长安大学 | Oil-free hydraulic vibration exciter with adjustable frequency and amplitude and adjusting method thereof |
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