CN106111512B - Eccentricity radial adjustable inertia vibration generator and its application - Google Patents
Eccentricity radial adjustable inertia vibration generator and its application Download PDFInfo
- Publication number
- CN106111512B CN106111512B CN201610437280.1A CN201610437280A CN106111512B CN 106111512 B CN106111512 B CN 106111512B CN 201610437280 A CN201610437280 A CN 201610437280A CN 106111512 B CN106111512 B CN 106111512B
- Authority
- CN
- China
- Prior art keywords
- revolving body
- leading screw
- bearing
- vibration generator
- eccentricity
- 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.)
- Expired - Fee Related
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
- B06B1/161—Adjustable systems, i.e. where amplitude or direction of frequency of vibration can be varied
- B06B1/162—Making use of masses with adjustable amount of eccentricity
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
Eccentricity radial adjustable inertia vibration generator and its application belong to mechanical engineering technical field, realize stepless continuous in radial directions and adjust the eccentricity of mass block, and then adjust the size of exciting force；Different exciting effects can be obtained by being excited at the same time being applied in combination for device.The eccentricity radial adjustable inertia vibration generator of the present invention includes rotary motive power source, vibrator housing and revolving body；The power output shaft in rotary motive power source is fixedly connected with the power input shaft of revolving body, and vibrator housing is arranged on the outside of revolving body；Include support plate, stepper motor, leading screw, nut and mass block inside revolving body；Stepper motor is fixed on the supporting plate, support plate is installed on revolving body inner wall, and one end of stepper motor output shaft and leading screw is fixedly and coaxially connected, and the other end of leading screw is connected with revolving body, leading screw and nut disappear and form screw pair after gap, and mass block is fixedly connected with nut；The revolution shaft centre line of leading screw central axis and revolving body is orthogonal, and radially arranges.
Description
Technical field
The invention belongs to mechanical engineering technical field, and in particular to need to apply during mechanical engineering, mechanical test etc.
In the mechanical device for adding accurate load or certain frequency load, for a kind of its periodicity circumference alternation exciting force of application, unidirectionally
Exciting force, Exciting Torque eccentricity radial adjustable inertia vibration generator and its application.
Background technology
In modern industrial production and scientific research, it is accurate to generally require to obtain in mechanical processing manufacture, road and bridge field
The exciting force of size and Orientation, or the exciting force of certain frequency is needed to ensure the quality of product, performance and experiment process
Accuracy.Used method is exactly to apply certain forms and the vibratory output of size to by sharp test specimen using inertia vibration generator.
, it is necessary to obtain accurate exciting effect in engineering test, or need to measure exciting of the test specimen in different size and frequency
Stress or intensity under power effect, therefore the size of exciting force applied for vibrator and the requirement of frequency difinite quality, institute
To possess the adjustability of frequency and inertia force size with vibrator itself.
Vibrator is attached in some machineries and equipment to produce the device of exciting force, is the weight using mechanical oscillation
Want component.Vibrator can give the vibratory output for being applied certain form and size by sharp test specimen, so as to be carried out to object
Vibration and strength test.At present, the vibrator applied in engineering according to exiting form difference, can be divided into inertia-type, electrodynamic type,
Electromagnetic type, electric-liquid type, pneumatic type and fluid pressure type etc..
Existing inertia vibration generator adjusts eccentricity using eccentric block revolution mostly, and then obtains different exciting forces.It is single
The gear for being generally 1 by two shafts and a pair of of speed ratio to excitation inertia vibration generator forms.Two shafts are reverse by constant speed
Turn round, two eccentric blocks produce making a concerted effort for inertia force in Y-direction on rotating shaft.But gear transmission noises are big, quick abrasion, manufacture essence
Degree and installation accuracy requirement are very high, once there is abrasion to produce transmission unstable phenomenon, while gear drive must have
Sealing device is, it is necessary to lubricate, and transmission process fever is serious, and dismounting is inconvenient.
The content of the invention
It is an object of the invention to propose a kind of eccentricity radial adjustable inertia vibration generator and its application, realize in footpath
Stepless continuous adjusts the eccentricity of mass block on to direction, and then adjusts the size of exciting force；It is excited at the same time being applied in combination for device
Different exciting effects can be obtained, such as unidirectional alternation exciting force, the moment of torsion of alternation.
To achieve the above object, eccentricity radial adjustable inertia vibration generator of the invention includes：Rotary motive power source, exciting
Device housing and revolving body；The power output shaft in the rotary motive power source is fixedly connected with the power input shaft of the revolving body, institute
Vibrator housing is stated on the outside of the revolving body；
Include support plate, stepper motor, leading screw, nut and mass block inside the revolving body；The stepper motor is fixed
On the supporting plate, support plate is installed on revolving body inner wall, and one end of the stepper motor output shaft and the leading screw is coaxially fixed
Connection, the other end of the leading screw connects with revolving body, and the leading screw and the nut disappear and form screw pair after gap, described
Mass block is fixedly connected with the nut；The revolution shaft centre line of the leading screw central axis and revolving body is orthogonal, and radially
Direction is arranged.
Guide plate, sliding block, guide rail and contiguous block are further included inside the revolving body；The mass block is along X-direction both sides
One end with a guide plate is fixedly connected respectively, and the other end of two guide plates is fixedly connected by contiguous block, described two
A sliding block is respectively and fixedly provided with the outside of guide plate, two guide rails are separately fixed at side wall of the rotator shaft to both ends
On, and it is axially in parallel with leading screw, two sliding blocks are rolled with two guide rails respectively to be coordinated.
The guide plate is diamond structure, and mass block is consolidated with an angle of a guide plate respectively along X-direction both sides
It is fixed to connect, connected on two guide plate vertical directions with mass block relative position by contiguous block.
The stepper motor is overlapped along the center line of X-direction and the axis of rotation of the revolving body, the mass block
Barycenter distribution is on the axis of leading screw.
The stepper motor output shaft is connected with one end of the leading screw by shaft coupling, and the other end of the leading screw passes through
Bearing is connected with the revolving body.
The revolving body is provided with the cylinder-like structure of end cap for one end, and the other end of revolving body is connected with revolving body lid,
End cap and revolving body the outer side of lid center is both provided with hollow rotating shaft, and the overhanging hollow rotating shaft of revolving body is as dynamic
Power input shaft, the overhanging hollow shaft rotating shaft of revolving body lid is as wiring axis；The power input shaft and wiring axis of the revolving body
Connected respectively by a pair of of angular contact ball bearing with vibrator housing, bearing (ball) cover be provided with the outside of the angular contact ball bearing,
The power output shaft in the rotary motive power source is fixedly connected with the power input shaft.
The vibrator further includes the vibrator back cover being fixed on vibrator housing and is arranged in vibrator back cover
Wiring construction, the wiring construction include conducting slip ring, gasket, tighten nut, binding post and wiring column holder；It is described conductive sliding
Ring set is axially external to be disposed with gasket and tighten nut on wiring axis, described to tighten nut and the hollow rotating shaft
It is threadedly coupled, the binding post is fixed on vibrator housing by wiring column holder, the binding post and the conducting slip ring
It is connected.
The eccentricity radial adjustable inertia vibration generator axis of rotation of two vibrators and can be returned with combination application
The output axis in rotatory force source is placed in parallel two-by-two, the output shaft in the rotary motive power source and the power input shaft of two vibrators
Realization is connected by synchronous belt device to be synchronized with the movement.
The concrete structure that two eccentricity radial adjustable inertia vibration generators are applied in combination further include bearing, installing plate and after
Plate, the back plate and the bearing are arranged in parallel, and upper end is connected by installing plate, and two vibrators are fixed on bearing, axis
Parallel, mass block initial phase is identical, and vibrator rotating shaft passes through the bearing, and the other end and the back plate contact, described time
Rotatory force source is fixed on the installing plate, and output shaft passes through the bearing, the power output shaft and two in the rotary motive power source
One expansion set is installed respectively on the power input shaft of a vibrator, synchronous pulley is installed on expansion set, is installed on the outside of synchronous pulley
One eccentric tensioning wheel, three synchronous pulleys are connected with tensioning wheel by double cog synchronous belt, make two vibrator synchronous backwards
Revolution.
The concrete structure that two eccentricity radial adjustable inertia vibration generators are applied in combination further include bearing, installing plate and after
Plate, the back plate and the bearing are arranged in parallel, and upper end is connected by installing plate, and two vibrators are fixed on bearing, axis
Parallel, mass block initial phase differs 180 °, and vibrator rotating shaft passes through the bearing, the other end and back plate contact, institute
State rotary motive power source to be fixed on the installing plate, output shaft passes through the bearing, the power output shaft in the rotary motive power source
With an expansion set is installed respectively on the power input shaft of two vibrators, synchronous pulley, three synchronous pulleys are installed on expansion set
Connected by double cog synchronous belt, make the synchronous revolution in the same direction of two vibrators, tensioning wheel is additionally provided with the outside of three synchronous pulleys,
The tensioning wheel is arranged on the bearing by being tensioned rotating shaft.
Beneficial effects of the present invention are：The eccentricity radial adjustable inertia vibration generator of the present invention uses stepper motor and rolling
The eccentricity of ballscrew radiai adjustment mass block, ensure that the accurate adjusting of eccentricity, and exciting force adjustable range is big, one
A little needs, which apply in the engineering machinery of accurate exciting force, very big application prospect.Exciting force is adjusted, only need to change motor speed
Or mass block eccentricity is adjusted, it is easy to operate.The exciter structure is simple at the same time, cost-effective, and reliability is high, work
Process energy consumption is few.The synchronous reversion of two vibrators or synchronous revolution in the same direction, V belt translation machine are realized using double cog synchronous belt
Structure is simple in structure, is easily installed, and mechanism driving process noise is small, and for ease of maintenaince, while toothed belt transmission manufacture cost is low, this
Invention can be adjusted by controlling stepper motor to put quality contraposition in normal work, realize that dynamic amplitude modulation loads.
Brief description of the drawings
Fig. 1 is the eccentricity radial adjustable inertia vibration generator overall structure diagram of the present invention；
Fig. 2 is the eccentricity radial adjustable inertia vibration generator structure sectional view of the present invention；
Fig. 3 is the C-C sectional views of Fig. 2；
Fig. 4 is rotary structure schematic diagram in eccentricity radial adjustable inertia vibration generator of the invention；
Fig. 5 is the B-B sectional views of Fig. 4；
Fig. 6 is the A-A sectional views of Fig. 4；
Structure diagram when Fig. 7 is the eccentricity radial adjustable inertia vibration generator combination application of the present invention；
Belt wheel distribution map when Fig. 8 is the eccentricity radial adjustable inertia vibration generator combination application of the present invention；
Internal view when Fig. 9 is the eccentricity radial adjustable inertia vibration generator combination application of the present invention；
Figure 10 obtains the power of unidirectional exciting force when being the eccentricity radial adjustable inertia vibration generator combination application of the present invention
Schematic diagram is analysed in credit；
Synchronous pulley and tensioning wheel position view when Figure 11 is obtains vertical unidirectional exciting force；
The mechanics of rotary torque is obtained when Figure 12 is the eccentricity radial adjustable inertia vibration generator combination application of the present invention
Analyze schematic diagram；
Figure 13 is the connected mode schematic diagram of synchronous pulley when obtaining torsional oscillation effect；
Wherein：1st, angular contact ball bearing, 2, guide plate, 3, shaft coupling, 4, nut, 5, mass block, 6, leading screw, 7, vibrator
Back cover, 8, conducting slip ring, 9, tighten nut, 10, binding post, 11, wiring column holder, 12, revolving body lid, 13, vibrator housing,
14th, revolving body, 15, support plate, 16, stepper motor, 17, sliding block, 18, guide rail, 19, motor A, 20, motor B, 21, installation
Plate, 22, bearing, 23, synchronous pulley, 24, expansion set, 25, double cog synchronous belt, 26, tensioning wheel, 27, tensioning rotating shaft, 28, after
Plate.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
Referring to attached drawing 1, attached drawing 2, attached drawing 3, attached drawing 4, attached drawing 5 and attached drawing 6, eccentricity radial adjustable of the invention is used to
Property vibrator includes：Motor A19, vibrator housing 13 and revolving body 14；The motor A19 is fixed on vibrator housing 13
On, power output shaft is fixedly connected with the power input shaft of the revolving body 14, and the vibrator housing 13 is installed on described return
The outside of swivel 14；
The inside of revolving body 14 includes support plate 15, stepper motor 16, leading screw 6, nut 4 and mass block 5；The stepping
Motor 16 is fixed in support plate 15, and support plate 15 is installed on 14 inner wall of revolving body, 16 output shaft of stepper motor and described
One end of leading screw 6 is fixedly and coaxially connected, and leading screw 6 and 16 pivot design of stepper motor are self-locking mechanism, and it is non-to prevent that mass block from occurring
Control is slided, and the other end and revolving body 14 of the leading screw 6 connect, and the leading screw 6 and the nut 4 disappear and form leading screw spiral shell after gap
Female secondary, the mass block 5 is fixedly connected with the nut 4；The revolution shaft centre line of 6 central axis of leading screw and revolving body 14
It is orthogonal, and radially arrange.The centroid position of revolving body 14 is all the time on the center line in leading screw 6, namely in revolution
The radial direction of body 14.Mass block 5 moves along a straight line in the guide rail 18 that the drive lower edge of leading screw 6 is fixed on revolving body 14, from
And change the size of the eccentric distance e of revolving body 14, achieve the purpose that to change centrifugal force.
Guide plate 2, sliding block 17, guide rail 18 and contiguous block are further included inside the revolving body 14；The mass block 5 is along X-axis
The one end of direction both sides respectively with a guide plate 2 is fixedly connected, and the other end of two guide plates 2 is fixed by contiguous block to be connected
Connect, the outside of described two guide plates 2 is respectively and fixedly provided with a sliding block 17, and two guide rails 18 are separately fixed at the revolving body
On the side wall at 14 axial both ends, and it is axially in parallel with leading screw 6, and two sliding blocks 17 are slidably matched with two guide rails 18 respectively, sliding
Block 17 and guide rail 18 will carry out pretension installation, on the one hand eliminate the issuable swing deviation in radial motion of mass block 5,
Vibration processes are avoided to produce unstability；On the other hand ensure that mass block 5 realizes the movement in same direction, ensure that exciting force begins
Eventually in the same plane.
The guide plate 2 cannot interfere during radial motion with vibrator housing 13, it is necessary to 2 shape of guide plate
Shape carries out specification, can make diamond structure as depicted, mass block 5 along X-direction both sides respectively with guide plate 2
It is fixedly connected at one angle, is connected on two 2 vertical directions of guide plate with 5 relative position of mass block by contiguous block.
The stepper motor 16 is overlapped along the center line of X-direction and the axis of rotation of the revolving body 14, is so installed
Purpose be to reduce the centrifugal force suffered when vibrator work of stepper motor 16, guarantee stepper motor 16 is at high speed just
Often work；The barycenter distribution of the mass block 5 is on the axis of leading screw 6.
One end of 16 output shaft of stepper motor and the leading screw 6 is connected by shaft coupling 3, the leading screw 6 it is another
End on bearing and the revolving body 14 by connecting.
The revolving body 14 is provided with the cylinder-like structure of end cap, the other end and revolving body lid 12 of revolving body 14 for one end
Connection, the 12 outer side center position of end cap and revolving body lid are both provided with hollow rotating shaft, overhanging hollow time of revolving body 14
Shaft is as power input shaft, and the overhanging hollow shaft rotating shaft of revolving body lid 12 is as wiring axis；The power of the revolving body 14
Input shaft and wiring axis are connected by a pair of of angular contact ball bearing 1 and vibrator housing 13 respectively, outside the angular contact ball bearing 1
Side is provided with bearing (ball) cover, and the power output shaft of the motor A19 is fixedly connected with the power input shaft.
The vibrator further includes the vibrator back cover 7 being fixed on vibrator housing 13 and is arranged on vibrator back cover 7
Interior wiring construction, the wiring construction include conducting slip ring 8, gasket, tighten nut 9, binding post 10 and wiring column holder 11；
The conducting slip ring 8 is sleeved on wiring axis, axially external to be disposed with gasket and tighten nut 9, described to tighten nut 9 and institute
State hollow rotating shaft to be threadedly coupled, the binding post 10 is fixed on vibrator housing 13 by wiring column holder 11, described to connect
Terminal 10 is connected with the conducting slip ring 8, and the hollow rotating shaft as wiring axis is the external cord circuit of stepper motor 16, outside
Boundary's power supply wiring the axle center for the hollow rotating shaft that the electric wire of connection stepper motor 16 changes through revolving body 14 and is returned on binding post 10
Wiring pipeline on swivel lid 12 is powered to stepper motor 16, and this structure design, avoids external cord with revolving body 14
The problem of coiling, simplify connection circuit.
Referring to attached drawing 7, the eccentricity radial adjustable inertia vibration generator can be with combination application, time of two vibrators
Shaft axis and motor B20 output axis are placed in parallel two-by-two, the rotating shaft of the motor B20 output shafts and two vibrators
Realization is connected by synchronous belt device to be synchronized with the movement.
This radiai adjustment eccentric block eccentricity inertia vibration generator, it is characterized in the eccentric distance e for realizing mass block 5
It is radially accurate to adjust.Present invention uses the position adjusting that stepper motor 16 and 6 structure of leading screw realize mass block 5.Stepper motor
16 are fixed in support plate 15, and support plate 15 and revolving body 14 are connected with being fixed with one, and then 16 axis of stepper motor leads to
Shaft coupling 3 is crossed with leading screw 6 to be connected；Mass block 5 is fixed by screws on feed screw nut 4, and the other end of leading screw 6 passes through bearing
It is connected to the upper of revolving body 14；Mass block 5 and guide plate 2 are connected with the same time, and guide plate 2 is screwed in sliding block 17
On, sliding block 17 and guide rail 18 are rolled and coordinated, and guide rail 18 is connected in revolving body 14 with bolt, why selects 16 conduct of stepper motor
The power source of eccentric distance e is adjusted, is because stepper motor 16 is responded and only determined by numeral input pulse, thus can be used and be opened
Ring controls, this allows the structure of motor fairly simple and control cost.6 structure of leading screw is chosen, when leading screw 6 is as actively
During body, feed screw nut 4 will change into linear motion with the rotational angle of leading screw 6 according to the helical pitch of corresponding specification, and mass block 5 can
To be connected by nut seat with nut, so as to fulfill corresponding linear motion.6 transmission efficiency of leading screw, friction loss is small, can be with
Electricity is saved to a certain extent.Pretension installation is carried out when leading screw 6 is installed at the same time, leading screw 6 is eliminated by pretension installation
Axial gap, improves the rigidity of leading screw 6, avoid leading screw 6 produce it is axial throw, the transmission of leading screw 6 is become more accurate,
The precision of screw pair is high, ensure that the accurate adjusting of eccentric distance e.Stepper motor 16 turn round angle and umber of pulse be into than
, it is possible to achieve the accurate of eccentricity is adjusted.Stepping motor often exports a pulse, and leading screw 6 will drive mass block 5 to move
Dynamic a certain distance.Since stepper motor 16 has outstanding start and stop and reversion response and the secondary high accuracy transmitted of feed screw nut 4,
The Precise eccentric for realizing mass block 5 is adjusted.
Eccentricity adjusts process, and S=np, S are the displacement distance of mass block 5, and n is the rotating speed of stepper motor 16, and p is leading screw
6 helical pitch.
Referring to attached drawing 8 and attached drawing 9, the concrete structure that two eccentricity radial adjustable inertia vibration generators are applied in combination also wraps
Bearing 22, installing plate 21 and back plate 28 are included, the back plate 28 and the bearing 22 are arranged in parallel, and upper end is connected by installing plate 21
Connect, two vibrators are fixed on bearing 22, and axis is parallel, and 5 initial phase of mass block is identical, and vibrator rotating shaft is described in
Bearing 22, the other end and the back plate 28 contact, and the motor B20 is fixed on the installing plate 21, and output shaft passes through institute
Bearing 22 is stated, an expansion set is installed respectively on the power output shaft of the motor B20 and the power input shaft of two vibrators
24, synchronous pulley 23, one eccentric tensioning wheel 26 of the outside of synchronous pulley 23 installation, three synchronous pulleys 23 are installed on expansion set 24
Connected with tensioning wheel 26 by double cog synchronous belt 25, make two vibrator synchronous backward revolutions；Tensioning wheel 26, which plays, at this time opens
It also assures that while tight effect between the synchronous pulley 23 that double cog synchronous belt 25 is set on the rotating shaft of two vibrators
Connection, ensures two vibrator synchronous backward revolutions.The present invention realizes two using double cog synchronous belt 25 and synchronous pulley 23
Synchronous backward revolution between a vibrator, toothed belt transmission can realize that two axis centers away from larger transmission, meet exciting
The radiai adjustment of device eccentricity；It is synchronous at the same time to carry certain elasticity, shock and vibration load can be relaxed, stable movement, makes an uproar
Sound is small；Belt drive structure is simple at the same time, and cost of equipment is low, and manufacture cost is low, and it is convenient that installation is replaced, maintenance facility.
Referring to attached drawing 10 and attached drawing 11, the vibrator rotating shaft of two eccentricity radial adjustables is placed in parallel, due to swashing
When the device that shakes works, two rotating speeds are very big, therefore the lateral separation of two axis cannot be too near, and the distance between vibrator revolving body 14 is protected
Demonstrate,prove and do not interfere between two revolving bodies, while be turned back to according to mass block 5 and screw structure in vibrator in vertical plane
When, two screw mechanism critical paths are to cocurrent and parallel, due to two-axis synchronization counter motion, at any time, the exciting that vibrator produces
Power, horizontal direction power is equal in magnitude, and direction is on the contrary, cancel out each other, and the exciting force in vertical plane then waits greatly in the same direction, into Simple harmonic electric
Change.
Mechanical analysis, 5 initial phase difference of mass block of two vibrators is zero, and synchronous backward does rotation fortune around rotation axis
It is dynamic.Eccentricity is r, and 5 mass of mass block is m, angular frequency ω, rotation time t, when mass block 5 is around rotation angle of rotating shaft
For ω t when, exciting force size F=m*r* ω2, single exciting force of exciter component size in the horizontal direction is F1=m*r*
ω2* cos ω t, two horizontal force directions of vibrator act on the same line on the contrary, equal in magnitude, make a concerted effort to be zero；
On vertical direction, the component size of the exciting force of single vibrator is F2=m*r* ω2* sin ω t, two vibrators are vertical
Exciting force on direction is equal in magnitude, and direction is identical, therefore exciting force size is F in vertical planeClose=2*m*r* ω2*sin ω
t。
Referring to attached drawing 12 and attached drawing 13, the concrete structure that two eccentricity radial adjustable inertia vibration generators are applied in combination is also
Including bearing 22, installing plate 21 and back plate 28, the back plate 28 and the bearing 22 are arranged in parallel, and upper end is connected by installing plate 21
Connect, two vibrators are fixed on bearing 22, and axis is parallel, and 5 initial phase of mass block differs 180 °, and vibrator rotating shaft passes through
The bearing 22, the other end and the back plate 28 contact, and the motor B20 is fixed on the installing plate 21, and output shaft is worn
The bearing 22 is crossed, one is installed respectively on the power output shaft of the motor B20 and the power input shaft of two vibrators
Expansion set 24, is provided with synchronous pulley 23 on expansion set 24, and three synchronous pulleys 23 are connected by double cog synchronous belt 25, makes two to swash
The synchronous revolution in the same direction of the device that shakes, three outsides of synchronous pulley 23 are additionally provided with tensioning wheel 26, and the tensioning wheel 26 is turned round by being tensioned
Axis 27 is arranged on the bearing 22.
Mechanical analysis, during initial position, in vertical plane, two leading screws 6 are parallel, 5 initial phase of mass block of two vibrators
Potential difference is 180 degree, synchronous to rotate in the same direction around rotation axis, eccentricity r, and 5 mass of mass block is m, angular frequency ω, is turned
The dynamic time is t, exciting force size F=m*r* ω2, on the contrary, equal in magnitude, L is two vibrators in two exciting force of exciter directions
The axis of rotation of revolving body 14 distance in the horizontal direction；When mass block 5 around rotation angle of rotating shaft be ω t when, the moment of couple
M1=m*r* ω2* L*cos ω t, can obtain the torsional oscillation effect of Simple harmonic electric.
It is using the eccentricity radial adjustable inertia vibration generator of the present invention and its detailed process of application application exciting force：
According to required exciting force size in mechanical engineering, the eccentric distance e of mass block 5 is calculated, gives 16 corresponding arteries and veins of stepper motor
Punching, the revolution of stepper motor 16 drive 6 attack of ball-screw to rotate, and feed screw nut 4 drives mass block 5 to move radially corresponding bias
Away from e, it is achieved thereby that being adjusted to stepless continuous of 5 eccentricity of mass block in radial direction；It is powered to motor A19, motor
A19 drives revolving body 14 to turn round, so as to apply exciting force.After two vibrators are placed in parallel combination, vibrator mass block 5
Initial phase it is identical, motor B20 drives vibrator shaft to turn round with double cog synchronous belt 25, realizes the synchronization of two vibrators
Reversed turning, since the centrifugal force of horizontal direction makes a concerted effort to be zero at this time, vertical direction obtains Simple harmonic electric alternation exciting force in the same direction；
It is placed in parallel when two vibrators, and the initial phase difference of vibrator mass block 5 is 180 °, motor B20 is using together at this time
Walk with the synchronous revolution in the same direction for driving vibrator shaft, rotary torque can be obtained, apply certain torsional oscillation effect for test specimen.
Claims (9)
1. eccentricity radial adjustable inertia vibration generator, it is characterised in that including rotary motive power source, vibrator housing (13) and return
Turn (14)；The power output shaft in the rotary motive power source is fixedly connected with the power input shaft of the revolving body (14), described
Vibrator housing (13) is installed on the outside of the revolving body (14)；
Include support plate (15), stepper motor (16), leading screw (6), nut (4) and mass block (5) inside the revolving body (14)；
The stepper motor (16) is fixed in support plate (15), and support plate (15) is installed on revolving body (14) inner wall, the stepping electricity
One end of machine (16) output shaft and the leading screw (6) is fixedly and coaxially connected, and the other end and revolving body (14) of the leading screw (6) are even
Connect, the leading screw (6) and the nut (4) disappear and form screw pair after gap, and the mass block (5) and the nut (4) are solid
Fixed connection；The revolution shaft centre line of leading screw (6) central axis and revolving body (14) is orthogonal, and radially arranges；
Guide plate (2), sliding block (17), guide rail (18) and contiguous block are further included inside the revolving body (14)；The mass block (5)
One end along X-direction both sides respectively with a guide plate (2) is fixedly connected, and the other end of two guide plates (2) passes through connection
Block is fixedly connected, and a sliding block (17) is respectively and fixedly provided with the outside of described two guide plates (2), and two guide rails (18) are solid respectively
It is scheduled on the side wall at the axial both ends of the revolving body (14), and axially in parallel with leading screw (6), two sliding blocks (17) are respectively with two
A guide rail (18), which rolls, to be coordinated.
2. eccentricity radial adjustable inertia vibration generator according to claim 1, it is characterised in that the guide plate (2)
For diamond structure, mass block (5) is fixedly connected with an angle of a guide plate (2) respectively along X-direction both sides, and two are led
Connected on to plate (2) vertical direction with mass block (5) relative position by contiguous block.
3. eccentricity radial adjustable inertia vibration generator according to claim 1 or 2, it is characterised in that the stepping electricity
Machine (16) is overlapped along the center line of X-direction and the axis of rotation of the revolving body (14), the barycenter distribution of the mass block (5)
On the axis of leading screw (6).
4. eccentricity radial adjustable inertia vibration generator according to claim 1 or 2, it is characterised in that the stepping electricity
One end of machine (16) output shaft and the leading screw (6) is connected by shaft coupling (3), and the other end of the leading screw (6) passes through bearing
Connected with the revolving body (14).
5. eccentricity radial adjustable inertia vibration generator according to claim 1 or 2, it is characterised in that the revolving body
(14) cylinder-like structure of end cap, the other end and revolving body lid (12) connection of revolving body (14), the end are provided with for one end
Lid and revolving body lid (12) outer side center position are both provided with hollow rotating shaft, the overhanging hollow rotating shaft conduct of revolving body (14)
Power input shaft, the overhanging hollow shaft rotating shaft of revolving body lid (12) is as wiring axis；The power input of the revolving body (14)
Axis and wiring axis are connected by a pair of of angular contact ball bearing (1) and vibrator housing (13) respectively, the angular contact ball bearing (1)
Outside is provided with bearing (ball) cover, and the power output shaft in the rotary motive power source is fixedly connected with the power input shaft.
6. eccentricity radial adjustable inertia vibration generator according to claim 5, it is characterised in that the vibrator also wraps
The vibrator back cover (7) being fixed on vibrator housing (13) and the wiring construction being arranged in vibrator back cover (7) are included, it is described
Wiring construction includes conducting slip ring (8), gasket, tightens nut (9), binding post (10) and wiring column holder (11)；The conduction
Slip ring (8) is sleeved on wiring axis, axially external to be disposed with gasket and tighten nut (9), the nut (9) and described tightened
Hollow rotating shaft is threadedly coupled, and the binding post (10) is fixed on vibrator housing (13) by wiring column holder (11), institute
Binding post (10) is stated with the conducting slip ring (8) to be connected.
7. eccentricity radial adjustable inertia vibration generator according to claim 1, it is characterised in that the eccentricity is radially
Adjustable inertia vibration generator can be with combination application, and the axis of rotation of two vibrators and the output axis in rotary motive power source are two-by-two
It is placed in parallel, the output shaft in the rotary motive power source and the power input shaft of two vibrators are connected by synchronous belt device and realized
It is synchronized with the movement.
8. eccentricity radial adjustable inertia vibration generator according to claim 7, it is characterised in that two eccentricities are radially
The concrete structure that adjustable inertia vibration generator is applied in combination further includes bearing (22), installing plate (21) and back plate (28), after described
Plate (28) and the bearing (22) are arranged in parallel, and upper end is connected by installing plate (21), and two vibrators are fixed on bearing (22)
On, axis is parallel, and mass block (5) initial phase is identical, and vibrator rotating shaft passes through the bearing (22), the other end and it is described after
Plate (28) contacts, and the rotary motive power source is fixed on the installing plate (21), and output shaft passes through the bearing (22), described time
One expansion set (24) is installed respectively, on expansion set (24) on the power input shaft of the power output shaft in rotatory force source and two vibrators
Synchronous pulley (23) is installed, the eccentric tensioning wheel (26) of installation one on the outside of synchronous pulley (23), three synchronous pulleys (23) and
Tensioning wheel (26) is connected by double cog synchronous belt (25), makes two vibrator synchronous backward revolutions.
9. eccentricity radial adjustable inertia vibration generator according to claim 7, it is characterised in that two eccentricities are radially
The concrete structure that adjustable inertia vibration generator is applied in combination further includes bearing (22), installing plate (21) and back plate (28), after described
Plate (28) and the bearing (22) are arranged in parallel, and upper end is connected by installing plate (21), and two vibrators are fixed on bearing (22)
On, axis is parallel, and mass block (5) initial phase differs 180 °, and vibrator rotating shaft passes through the bearing (22), the other end and institute
Back plate (28) contact is stated, the rotary motive power source is fixed on the installing plate (21), and output shaft passes through the bearing (22), institute
State and an expansion set (24), expansion set are installed respectively on the power output shaft in rotary motive power source and the power input shaft of two vibrators
(24) synchronous pulley (23) is installed, three synchronous pulleys (23) are connected by double cog synchronous belt (25), make two excitings on
The synchronous revolution in the same direction of device, three synchronous pulleys (23) outsides are additionally provided with tensioning wheel (26), and the tensioning wheel (26) passes through tensioning
Rotating shaft (27) is arranged on the bearing (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610437280.1A CN106111512B (en) | 2016-06-20 | 2016-06-20 | Eccentricity radial adjustable inertia vibration generator and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610437280.1A CN106111512B (en) | 2016-06-20 | 2016-06-20 | Eccentricity radial adjustable inertia vibration generator and its application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106111512A CN106111512A (en) | 2016-11-16 |
| CN106111512B true CN106111512B (en) | 2018-05-04 |
Family
ID=57469732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610437280.1A Expired - Fee Related CN106111512B (en) | 2016-06-20 | 2016-06-20 | Eccentricity radial adjustable inertia vibration generator and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106111512B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144832A (en) * | 2016-12-05 | 2018-06-12 | 南京圣威惠众机电技术有限公司 | A kind of rotation vibrator of quick adjusting exciting force |
| CN107639014A (en) * | 2017-11-07 | 2018-01-30 | 徐工集团工程机械有限公司 | Vibrator and vibrating machine |
| CN108802807B (en) * | 2018-06-12 | 2021-03-30 | 西南石油大学 | Small controllable seismic source excitation device with adjustable excitation force frequency width |
| CN108613785B (en) * | 2018-07-11 | 2023-06-23 | 河南理工大学 | Rolling vibration experiment platform |
| CN109307499B (en) * | 2018-11-02 | 2020-08-14 | 常州大学 | Method for calculating eccentric distance of motor eccentric shaft by using linear spring |
| CN109099277B (en) * | 2018-11-06 | 2024-03-15 | 沈阳天眼智云信息科技有限公司 | Movable vibration exciter support rack capable of being adjusted in multiple degrees of freedom |
| CN111896999B (en) * | 2019-05-06 | 2023-11-28 | 中国石油天然气集团有限公司 | Vibrator and vibration signal control method |
| CN110174226A (en) * | 2019-06-17 | 2019-08-27 | 中机试验装备股份有限公司 | A kind of pipeline resonance fatigue test board |
| CN113324716A (en) * | 2020-02-28 | 2021-08-31 | 天津益普科技发展有限公司 | Inertia type vibration exciter of full-size pipeline resonance fatigue testing machine |
| CN111458241B (en) * | 2020-03-11 | 2021-08-13 | 天津大学 | Servo coaxial dual-drive inertia vibration exciter |
| CN113019873B (en) * | 2020-09-29 | 2023-09-12 | 南京利卡维智能科技有限公司 | Vibration-assisting eccentric vibration device and method |
| CN113405787B (en) * | 2021-05-28 | 2023-11-10 | 上海电机学院 | Motor stator system mechanical admittance testing method and device |
| CN117419882B (en) * | 2023-10-24 | 2024-06-25 | 青岛连山铸造有限公司 | Bridge support anti-seismic performance test platform and test method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2079533U (en) * | 1990-09-17 | 1991-06-26 | 廖继章 | Vibration exciting device capable of self-adjusting eccentricity |
| CN101912841B (en) * | 2010-08-17 | 2012-03-28 | 中国船舶重工集团公司第七一七研究所 | Self-cooled type vibration exciter |
| CN201950014U (en) * | 2010-12-14 | 2011-08-31 | 河南太行振动机械股份有限公司 | Double-shaft motor vibration exciter |
| US9101959B2 (en) * | 2012-04-27 | 2015-08-11 | Martin Engineering Company | Vibratory device with repositionable weights and method of extending the useful life of vibratory devices |
| CN103480558B (en) * | 2013-10-10 | 2015-09-16 | 中联重科股份有限公司 | Vibrator and vibratory sieve |
| CN205032350U (en) * | 2015-09-28 | 2016-02-17 | 天津润盛金属制品有限公司 | Box vibration exciter of exciting force adjustable |
-
2016
- 2016-06-20 CN CN201610437280.1A patent/CN106111512B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106111512A (en) | 2016-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106111512B (en) | Eccentricity radial adjustable inertia vibration generator and its application | |
| CN100557403C (en) | The test method of multinomial performance of double mass flywheel torsion vibrating absorber and testing table | |
| JP2023054043A (en) | Loading part and machine test device | |
| CN105738105B (en) | A kind of high pulling torque large deflection angle Hooks coupling universal coupling testing stand | |
| CA2716740C (en) | Gear device, preferably motor device | |
| CN111458241B (en) | Servo coaxial dual-drive inertia vibration exciter | |
| RU2012126678A (en) | SEALING DEVICE AND EARTH SEALING METHOD | |
| US20180161818A1 (en) | Vibration generator using phase difference for amplitude control and method thereof | |
| CN105251687B (en) | A kind of rotation vibrator of adjustable eccentric quality | |
| KR101089557B1 (en) | Vibration exciter for vibration compensation | |
| CN113324716A (en) | Inertia type vibration exciter of full-size pipeline resonance fatigue testing machine | |
| CN104819814A (en) | Amplitude adjustable crank slider controlled excitation mechanism | |
| CN105068004B (en) | A kind of mechanical-electric coupling mechanism test platform | |
| CN100377493C (en) | Rotating magnetic field type driver for active controlling torsional vibration of rotational axis system | |
| CN105784358A (en) | Fan-shaped tooth universal coupler test stand | |
| US7344467B2 (en) | Self-regulating continuously variable transmission | |
| JPH06323395A (en) | Mechanical transmission with infinite ratio gear | |
| CN107497655A (en) | One kind reverses chaotic vibration vibrator | |
| US3659464A (en) | Mechanical vibrator | |
| CN109282005A (en) | A kind of stepless transmission | |
| CN204703038U (en) | A kind of vibratory roller ungraded amplitude exciting device | |
| US1081643A (en) | Gearing. | |
| CN104480839A (en) | Stepless amplitude modulation vibration exciter and vibratory roller | |
| CN104931217B (en) | The continuous electrodeless amplitude modulation linear actuator of electronic mechanical | |
| RU2497030C1 (en) | Cycloidal gearing with solids of revolution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 Termination date: 20190620 |