CN106483031A - Twisting vibration test system and combination unit - Google Patents
Twisting vibration test system and combination unit Download PDFInfo
- Publication number
- CN106483031A CN106483031A CN201610938400.6A CN201610938400A CN106483031A CN 106483031 A CN106483031 A CN 106483031A CN 201610938400 A CN201610938400 A CN 201610938400A CN 106483031 A CN106483031 A CN 106483031A
- Authority
- CN
- China
- Prior art keywords
- magnetic
- conductive loop
- rotating shaft
- coil
- magnetic conductive
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/38—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0021—Torsional
Abstract
The invention provides a kind of twisting vibration test system and combination unit, including coil, magnetic conductive loop, joint, magnetic, rotating shaft；Coil is wrapped on magnetic conductive loop；Magnetic conductive loop has opening to form two ends, and the two ends of magnetic conductive loop each connect two joints in a pair of joint respectively；Magnetic connection rotating shaft, and Wei Yu two joints between.The output directly reversed by the rotary part outside rotating shaft drive by the present invention, decelerator is not needed, mechanical transfer efficiency high, due to without middle transmission link, the noise of fixed frequency when therefore responding soon, and decelerator tooth and tooth can be avoided to engage；Only by change coil electrical current frequency changing the frequency of the torsion of axle, its low frequency and high frequency performance can be more preferably；Outer magnetic shield part is not needed during driving, simplify structure；Arrangement is more flexible, and space adaptability is strong；Flux circuit components flexible shapes are changeable.
Description
Technical field
The present invention relates to twisting vibration test platform, material torque characteristic measuring technology and electromagnet and permanent magnet direct drive skill
Art field, in particular it relates to a kind of twisting vibration testing system device and combinations thereof device.
Background technology
Twisting vibration test system is mainly used in the applying of twisting vibration excitation, and test product is under twisting vibration state
Functional parameter and material reverse incentive action under endurance performance.Existing shake table and the performance testing device of material
Apply incentive action mainly on three translation directions, to detect the functional characteristic of product and the Anti-pull-press characteristic of material, this
General application demand can only be met.For some special applications and occasion, the twisting property of product and material is necessary
Account for.Accordingly, it would be desirable to such twisting vibration test system.
Currently without the explanation for finding technology similar to the present invention or report, money similar both at home and abroad is also not yet collected
Material.
Content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of group of twisting vibration test system is attached together
Put.
According to a kind of twisting vibration test system that the present invention is provided, including coil, magnetic conductive loop, magnetic, rotating shaft；
Coil be wrapped on magnetic conductive loop or one section of breach of magnetic conductive loop in；
Magnetic conductive loop has opening to form two ends, and the two ends of magnetic conductive loop are not connected to joint or the two ends of magnetic conductive loop are each
Two joints from connection a pair of joint respectively；
Magnetic connection rotating shaft, and between the two ends of magnetic conductive loop or two joints.
Preferably, also include magnetic balance block；The both sides of magnetic are provided with magnetic balance block；Magnetic conductive loop is c-type body；
Magnetic using any one in permanent magnet, electromagnet, soft magnetic bodies or appoints multiple connection assemblys；Magnetic conductive loop adopts soft magnetism
Material, non-crystalline material or nanocrystalline material；Magnetic balance block adopts concave form, and magnetic is correspondingly adopted and matching grooves
Evagination form；Magnetic balance block can be rotated with the angle between adjustment and horizontal plane, it is also possible between adjustment and magnetic
Spacing, and angle and spacing can be locked；The end of rotating shaft is located in coil or extends the end of the outer and rotating shaft of coil
Portion's connection external support members to export reciprocally swinging torque and motion, wherein, the part of coil outer be roller bearing or
Person's roller bearing；Magnetic is embedded in rotating shaft or is connected to the surface of rotating shaft；Magnetic balance block be located at coil outside or
Inside person；The quantity of coil is one or more, series connection and/or parallel connection between multiple coils.
Preferably, also include to reverse and drive output arm；Reverse and drive one end of output arm that rotating shaft is fastenedly connected, reverse and drive
The other end of output arm is provided with torsion drive connection hole.
Preferably, connector, outside tested parts are also included；Rotating shaft is outside tested zero by connector connection
Part；Connector is rigid connector or flexible connecting member；The two ends of outside tested parts are stationary state, are certainly
By state or respectively stationary state and free state.
According to a kind of combination unit that the present invention is provided, including one or more above-mentioned twisting vibration test systems, institute
State twisting vibration test system and rotation vibrator is constituted, connection simultaneously applies rotation excitation to being energized part；Energized part is
Outside tested parts and/or platform.
Preferably, connection pivoting agitator in position at the one of energized part, or plurality of positions connects different respectively
Pivoting agitator；Wherein, pivoting agitator follows energized part to rotate or the housing of pivoting agitator is fixed.
Preferably, also include external driver device；External driver device connection is energized part.
Preferably, the plurality of positions of platform connects the pivoting agitator that arranges according to axially different direction respectively, and rotation swashs
The shell for encouraging device is fixed；Pivoting agitator passes through hinge arrangement connecting platform；The many places of platform are all connected with along tri- directions of XYZ
Balance unloading structure；Hinge arrangement be the combination of rigid hinge structure, elastic rod and kinematic pair combine or flexible structure with
The combination of kinematic pair, wherein, the combination of rigid hinge structure includes the thick wall part being connected and thin-walled portion, thin-walled portion
Quantity for one or more, the axial direction between multiple thin-walled portions is different directions.
According to a kind of combination unit that the present invention is provided, including multiple above-mentioned twisting vibration test systems, wherein：
Between the two ends of the magnetic conductive loop of-multiple twisting vibration test systems, corresponding connection, forms two nodes that cross, this
Two nodes that cross extend respectively to two joints in a pair of joint；Or
Interlaced arrangement between the beginning of the magnetic conductive loop of-multiple twisting vibration test systems.
Preferably, the node that crosses is linear for the intersection of L-shaped, T-shaped, cross, Y shape, X-shaped or more than three.
Compared with prior art, the present invention has following beneficial effect：
(1) directly drive, transmission efficiency.Compared to traditional rotation way of output, this kind of driving means directly pass through
Rotating shaft 5 drives the output reversed by the rotary part of outside, it is not necessary to decelerator, mechanical transfer efficiency high, is lost low.
(2) respond soon, unrelated noise is little.Fast due to without middle transmission link, therefore responding, and can avoid
The noise of fixed frequency when decelerator tooth and tooth are engaged.
(3) wide frequency range.Compared to traditional motor, this kind of type of drive is only by the electrical current of change coil
Changing the frequency of the torsion of axle, its low frequency and high frequency performance can be more preferably for frequency.
(4) c-type magnetic loop, leakage field are less.The magnetic conductive loop of this type of drive becomes c-type.Coil is wrapped in annular magnetic conduction material
On material, energising can produce more uniform magnetic field in the gap location of c-type structure.Magnetic is located at gap magnetic field, in magnetic fields
Lower rotation.Gap magnetic field leakage field is less, does not need outer magnetic shield part, simplify structure when therefore generally driving.
(5) arrangement is more flexible, and space adaptability is strong.The quantity of this kind of driver coil is not limited to one, and coil is in magnetic
Arrangement on road is not limited to monolateral shown in Fig. 1.While can be by the group of the multiple c-type magnetic loops of different spatial
Close, meet the stringent condition of space outerpace, while producing big torque.
(6) flux circuit components flexible shapes are changeable.Joint 3 can be carried out according to the requirement of magnetic field size and uniformity of magnetic field
Particular design, shape are not limited to cylinder type and cuboid-type.The shape of magnetic balance block 6 is not limited to cuboid-type, its
Position is also not limited to horizontal level.Can be according to required righting moment, the proterties to magnetic balance block carries out special setting
Meter.While its initial rest position can be changed according to requirement when driving to equilbrium position.The shape of magnetic 4 is not also limited to
In the cuboid shown in Fig. 1, which can be the special-shaped that is designed according to driving requirement.
Description of the drawings
The detailed description that non-limiting example is made with reference to the following drawings by reading, the further feature of the present invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the structural representation of basic embodiment of the present invention.
Fig. 2 moves towards schematic diagram for the magnetic line of force of basic embodiment of the present invention.
Fig. 3 is the structural representation of the specific embodiment of the invention 1.
Fig. 4, Fig. 5, Fig. 6 are the structural representation of the specific embodiment of the invention 2.
Fig. 7, Fig. 8, Fig. 9 are the structural representation of the specific embodiment of the invention 3.
Figure 10, Figure 11, Figure 12 are the structural representation of the specific embodiment of the invention 4.
Figure 13 is the structural representation of the specific embodiment of the invention 5.
Figure 14 is the structural representation of the specific embodiment of the invention 6.
Figure 15 is the structural representation of the specific embodiment of the invention 7.
Figure 16 is the structural representation of the specific embodiment of the invention 8.
Figure 17 is the structural representation of the specific embodiment of the invention 9.
Figure 18 is the structural representation of the specific embodiment of the invention 10.
Figure 19 is the structural representation of the specific embodiment of the invention 11.
Figure 20 is the structural representation of the specific embodiment of the invention 12.
Figure 21, Figure 22, Figure 23, Figure 24, Figure 25 are adoptable multiple hinge arrangements in the specific embodiment of the invention 12
Structural representation.
Figure 26 is the structural representation of the specific embodiment of the invention 13.
Figure 27 is the structural representation of the specific embodiment of the invention 14.
Figure 28 is the structural representation of the specific embodiment of the invention 15.
Figure 29, Figure 30 are the structural representation of the specific embodiment of the invention 16.
Figure 31, Figure 32, Figure 33, Figure 34 are the structural representation of the specific embodiment of the invention 17.
Figure 35, Figure 36 are the structural representation of the specific embodiment of the invention 18.
Figure 37, Figure 38, Figure 39 are the structural representation of the specific embodiment of the invention 19.
Figure 40 is the structural representation of the specific embodiment of the invention 20.
In figure：
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, some changes and improvements can also be made.These belong to the present invention
Protection domain.
Basic embodiment：
Structural principle：
As shown in figure 1, coil 1 is wrapped on magnetic conductive loop 2, magnetic conductive loop 2 is the soft magnetism higher by relative permeability
Material constitutes.Joint 3 is that its shape is not limited solely to cylindrical or rectangular in order to form large-scale uniform magnetic field
The bodily form.The pole orientation that magnetic 4 is formed is as shown in figure 1, it can also be electromagnet which can be permanent magnet.Rotating shaft 5 supports magnetic
Gonosome 4, magnetic 4 and 5 synchronous axial system of rotating shaft, rotating shaft 5 can connect the rotary part of outside.A pair of magnetic balance weight 6 is poised for battle
The angle that is distributed between the magnetic pole both sides of magnetic 4, and this pair of magnetic balance block 6 and horizontal line and with 4 axle of magnetic
The distance between heart is all adjustable, for making 4 balance and stability of magnetic in a certain angle position.Magnetic balance block 6 can be by permanent magnetism
Body or solenoid composition, the pole orientation which forms are as shown in Figure 1.Magnetic balance block 6 can also be that magnetic 4 is had
The other materials of certain sucking action.The magnetic line of force 7 is shown in broken lines, and its distribution represents the direction in magnetic field.It can be seen that magnetic
In the uniform magnetic field of body 4 and rotating shaft 5 in being formed by miscellaneous part.
Drive mechanism：
When coil is not energized, magnetic 4 is stable at a certain position in the presence of magnetic balance block 6, can be called just
Beginning equilbrium position.When magnetic 4 deviates from equilbrium position, magnetic balance block 6 can produce a kind of its deviation of obstruction to magnetic 4
The torque of equilbrium position, and make it have the trend of the position that restores balance.This torque can be referred to as righting moment, and its
Change with the change of 4 corner of magnetic.When electric current is passed through in coil 1 form the magnetic line of force in Fig. 2 and the magnetic field shown in arrow
During direction, magnetic 4 produces torque counterclockwise under this magnetic fields, and when this torque is more than righting moment, magnetic 4 is produced
Deflect counterclockwise.When reversing the current is passed through in coil 1, FR residing for magnetic 4, act on the torque on magnetic 4
Reversely, when this torque is more than righting moment, magnetic 4 will produce deflection clockwise.If what coil 1 was passed through is certain frequency
The alternating current of rate, then from identical driving principle, magnetic 4 can produce reciprocal torsion, then the outside connected by rotating shaft 5
Part also can synchronous axial system therewith.Change the energising frequency of coil 1, then can change the frequency of the torsion of rotating shaft 5.
Preferred and/or change case to basic embodiment is specifically described below.
Specific embodiment 1：
It is the relative form being docking together of two c-type magnetic circuits shown in Fig. 3, wherein has tri- positions of A, B, C place
Solenoid.The coil at three positions can be optionally combined as the case may be, to meet restriction of outside installation environment etc..When
So, the solenoid at two positions of the right and left A, B can be linked to be an entirety respectively, can so make full use of space.Its
In, two c-type magnetic circuit openings are relative, share a pair of joint.
Specific embodiment 2：
Fig. 4, Fig. 5, Fig. 6 are linked together in a vertical manner for two c-type drivers, and dotted portion turns on feelings for magnetic circuit
Condition.This arrangement take into account the restriction of special space mounting position.Coil at D, E, F selectively can be arranged.
Specific embodiment 3：
Coil 1 is not only limited to position shown in Fig. 7, Fig. 8, Fig. 9, and which may be located on position shown in dotted line in Fig. 7, Fig. 8,
Or be optionally combined by which and constitute.Magnetic conductive loop 2 is equivalent to being made up of three c-type drivers herein.The function of other parts can
With reference to structure and function in Fig. 1.
Specific embodiment 4：
Type of drive shown in Figure 10, Figure 11, Figure 12 is formed by four c-type drive combination, and magnetic conductive loop 2 is in double
Cross.1 position of coil is not limited to position shown in Figure 10, Figure 11, Figure 12.Rotating shaft 5 can be drawn from the space of coil
Go out, the rotor-support-foundation system outside connection, export rotary motion.
Specific embodiment 5：
Torsion type of drive shown in Figure 13 can be used for twisting vibration of the test product under special movement in a curve mode
Characteristic.Reverse drive output arm 8, for by the twist motion in rotating shaft 5 be converted under certain Radius along arc direction
Twist motion.Reversing drive connection hole 9 is used for connecting energized object and torsion drive system.
Specific embodiment 6：
The first c-type driver 31, multiple degrees of freedom magnet rotor device 32, the second c-type driver 33 is shown in Figure 14.By two
Individual (or multiple) c-type driver spatially intersects (or multidirectional) arrangement composition many free torsional vibrations drive system.
Specific embodiment 7：
The twisting vibration test system that the present invention is provided can be used as rotation vibrator 11.Be as shown in figure 15 by above-mentioned original
The tested parts 13 in 11 pairs of outsides of vibrator that rotate of reason design carry out the schematic diagram of torsional excitation test.Rotation vibrator 11
It is connected by connector 12 with outside tested parts 13.According to the specific requirement of test, rotation vibrator 11 and outside
Connection between tested parts 13 can be rigid can also be flexible.Rotation vibrator 11 provides reciprocal torsion and swashs
The exciting force for shaking, or the torsional excitation power of particular form.Outside tested 13 two ends of parts are supported by other parts,
And can rotate about the axis, its rotating speed is identical with rotation vibrator 11.Figure 15 test is outside 13 two ends of tested parts
Torque characteristic during boundary condition in free state.
Specific embodiment 8：
To be outside 13 one end of tested parts fix in the free state other end (the i.e. fixing shape of test shown in Figure 16
State) boundary condition under torque characteristic.
Specific embodiment 9：
As shown in figure 17, two rotation vibrators are provided with, are designated as the first rotation vibrator 14 respectively and the second rotation swashs
Shake device 15.First rotation vibrator 14 and the second rotation vibrator 15 are two coaxial mounted above-mentioned rotation vibrators.Which can
To there is following two working conditions：First rotation vibrator 14 and the synchronized in the same direction rotation of the second rotation vibrator 15, the first rotation
Vibrator 14 and the second rotation vibrator 15 do not rotate at the same speed.When rotating at the same speed in the same direction, two rotation vibrators are while act on, increasing
Big moment of torsion, the adverse effect that the outside tested torsional deflection of itself of parts 13 is caused when reducing test.Do not revolve at the same speed
When turning, state of the outside tested parts 13 when variable speed rotation and two ends reversely rotate in the same direction at two ends can be tested.
Specific embodiment 10：
Situation about rotating with outside tested parts 13 for the second rotation vibrator 15 as shown in figure 18.When carry out
When torsional excitation is tested, the torsional excitation power that the first rotation vibrator 14 is exported drives outside tested parts 13 and the second rotation
Turn the synchronous axial system together of vibrator 15.Now, the second rotation vibrator 15 can apply specific torsional excitation power, be superimposed upon the
In the power that one rotation vibrator 14 is exported, the decoupling of two torsional excitation power is realized, so as to realize more complicated torsional excitation
Test.
Specific embodiment 11：
As shown in figure 19, external driver device 16 can drive outside tested parts 13 to make complete cycle cycle rotation.This
Kind of test mode is performance when the outside tested parts 13 of test apply torsional excitation power during circumferential rotation type.Outward
Portion's driving means 16 can be simulated outside tested parts 13 and accelerate during real-world operation, slow down and the operating such as at the uniform velocity
Situation.First rotation vibrator 14 is then with outside 13 synchronous axial system of tested parts, while carve when necessary to apply to reverse
Exciting force.
Specific embodiment 12：
It is Three Degree Of Freedom rotation actuating vibration table (i.e. pivoting agitator) as shown in figure 20, can places on platform 22 outside tested
Examination parts, A is to rotation vibrator 21, B to rotation vibrator 23, C to these three rotation vibrator difference of rotation vibrator 24
The torsional excitation power in tri- directions of A, B, C is provided, and is fixed on a certain position in space.Hinge arrangement 25 is torque transfer arrangement,
Which can be the combination of rigid hinge structure, or elastic rod and the combining, or flexible structure of other kinematic pairs
With combining for other kinematic pairs.
When property bar 25 is the combination of rigid hinge structure, which can cause platform to produce big corner, realize big stroke
Swing.When property bar 25 is other kinematic pairs of elastic rod and other when combining, as elastic rod can produce small deflection deformation,
So the small sway of platform can be realized.When property bar 25 is flexible structure with other kinematic pairs when combining, which can also make
Platform produces and rotates or swing, and the size of corner or pivot angle depends on designed flexible hinge structure.
Transmission rotation Exciting Torque of the vibrator to platform 22 of hinge arrangement 25, while prevent the interference that moves.Platform 22
Four angles have carried out the balance unloading in tri- directions of XYZ respectively, so that the exciting force of three rotation vibrators can be filled
Divide and utilize.Also optionally different angles are carried out with the unloading of different directions.Wherein, balance unloading structure can be spring, bullet
One end connecting platform of spring, the other end of spring are fixed.A is to rotation vibrator 21, B to rotation vibrator 23, C to rotation exciting
Device 24 all can be arranged symmetrically with co-axial pair, also can only select single-sided arrangement.
Further, Figure 21, Figure 22, Figure 23, Figure 24, Figure 25 describe the multi-form of above-mentioned three kinds of hinges.
In Figure 21, hinge arrangement 25 is combining for elastic rod and other kinematic pairs, using the deflection deformation of elastic rod, permissible
Realize the Three Degree Of Freedom small sway of platform 22.Other parts are consistent with Figure 20.
In Figure 22, hinge arrangement 25 is a kind of form of rigid hinge textural association, and wherein the first c-type driver 31 is permissible
It is A to rotation vibrator 21, B to rotation vibrator 23, C to rotation vibrator 24, which is fixed with ground.Connected component 34 is permissible
For platform 22.The moving sets that multiple degrees of freedom magnet rotor device 32 can not be rotated for being only axially moveable, the second c-type driver
33 is the Hooke's hinge for having two rotational freedoms.By this structure, platform in Figure 20 can be made to realize Three Degree Of Freedom rotation.The shape
There are two Hooke's hinges and two moving sets in formula hinge.
In Figure 23, hinge arrangement 25 is another form of rigid hinge textural association, multiple degrees of freedom magnet rotor device
32nd, the second c-type driver 33 is with Figure 22.But, this in figure only includes moving sets, and in the first c-type driver
31 sides.
In Figure 24, hinge arrangement 25 is another form of rigid hinge textural association, multiple degrees of freedom magnet rotor device
32nd, the second c-type driver 33 is with Figure 22.But, this in figure only includes moving sets, and in connected component 34
Side.
In Figure 25, the structure of hinge arrangement 25 is a kind of example of flexible hinge structure described in Figure 20, and utilized is
The big principle of thin-walled portion deformation, rotates needed for producing or mobile.Hinge arrangement 25 shown in Figure 25 has two rotating shafts, can be around
YZ axle Small-angle Rotation.Which is similar to Hooke's hinge.First connecting side 35, the second connecting side 36 connect A respectively to rotation vibrator
21st, B is to rotation vibrator 23, C to rotation vibrator 24 and platform 22.During connection, which can be applied in combination with moving sets, mode
As shown in Figure 22, Figure 23, Figure 24, then the second c-type driver 33 therein represents the flexible hinge structure shown in Figure 25.
Specific embodiment 13：
Situation is as shown in figure 26, and A can be put with platform 22 to rotation vibrator 21, B together to rotation vibrator 23
Dynamic situation, can achieve the decoupling of rotation shock motion.Hinge arrangement 25 is rigid connecting components herein, by platform 22 and A to
Rotation vibrator 21, B is rigidly connected to the output revolving shaft of rotation vibrator 23, thus the permanent magnet of internal drive
It is rigidly connected with platform 22 by rotating shaft 5, can be with synchronous axial system.A is to rotation vibrator 21, B to rotation vibrator 23
The part of rotation is then the structure such as its outer tube wall, coil, and member supporting of these structures by internal drive, its weight pass through
Rotating shaft 5 and articulated structure 25 have been loaded on platform 22.Apply exciting force when, the structure such as outer tube wall, coil equivalent to rotor,
And platform 22 and A are fixed together equivalent to static to the output revolving shaft of rotation vibrator 23 to rotation vibrator 21, B and determine
Son, rotor is with respect to stator rotation under driving torque effect.Now due to interaction force principle, stator also receives identical
Driving torque, thus platform can synchronous hunting.Other parts are consistent with Figure 20.
Specific embodiment 14：
As shown in figure 27, the part in basic embodiment employs different geomeries in the present embodiment, joint 3 with
Magnetic balance block 6 is form of grooves, so that itself and the gap uniformity between magnetic 4, more steady during operation.Magnetic
Balance weight 6 is electromagnets herein, and the magnetic direction which forms is as shown in Figure 21.Change its electrical current, thus it is possible to vary
Its electromagnetic field induction level for being formed, so as to change the size of trimming moment, makes the more difficult deviation balance of magnetic 4
Position.Meanwhile, magnetic balance block 6 can also change itself and horizontal angle, such that it is able to make magnetic 4 balance at a certain angle
Degree position.
Specific embodiment 15：
As shown in figure 28, the gap between joint 3, magnetic balance block 6 and magnetic 4 can adjust, and magnetic balance block 6 is
Concave shaped permanent-magnet type, pole orientation is as shown in Figure 22；Dotted portion in Figure 22 represent magnetic balance block 6 can change with
Gap between magnetic Fig. 4.
Specific embodiment 16：
As shown in Figure 29, Figure 30, soft magnetic bodies 10, such as ingot iron are shown.Soft magnetic bodies 10 constitute one with magnetic 4
Cylinder, its section are circular, and so they are just more uniform with the gap between joint 3 and magnetic balance block 6, and this causes to produce
Raw torque is more smoothed, and is run more steady.It is rigidly connected between magnetic 4 and soft magnetic bodies 10.Magnetic 4 can be inlayed
It is embedded in (as shown in figure 30) in soft magnetic bodies 10, it is also possible to be overlapped to form an entirety (as shown in figure 29) together with soft magnetic bodies 10, its
In, the shape of magnetic 4 is not limited solely to rectangle.
Specific embodiment 17：
As Figure 31, Figure 32, Figure 33, Figure 34 show the multiple preferred of the magnetic balance block arrangement of basic embodiment
Change case, shows a case that a magnetic 4 in using solenoidal coil 1.Rotating shaft 5 is fastenedly connected with magnetic 4, with
Step is rotated.When magnetic 4 is in position shown in solid, it is horizontal level, which can be put down under the sucking action of magnetic balance block 6
Weigh in this position, while the angle between magnetic balance block 6 and horizontal level and the distance between magnetic balance block and 5 axle center
All adjustable.Coil 1 is passed through alternating current can make magnetic 4 produce the torque of reciprocating rotation, and this torque drives magnetic 4 and rotating shaft 5
Reciprocally swinging together, rotating shaft 5 then extend coil 1, and connect part output reciprocally swinging torque and the motion of outside.Magnetic
The proterties of balance weight 6 is not limited to the proterties shown in Figure 31, Figure 32, Figure 33, Figure 34, and its position is also not limited to figure
31st, the position shown in Figure 32, Figure 33, Figure 34.Which can be arranged in tetra- sides of A, B, C, D in Figure 31, Figure 32, Figure 33, Figure 34
Position of orientation is therein several, and which is the distance between with the axial line of rotating shaft 5 and the angle between horizontal plane
Can adjust, can thus make 4 equilbrium position of magnetic variable adjustable.External support members 16 are tied as the support of rotating shaft 5
Structure, can be bearing, it is possible to limit the free degree of the rotating shaft in axial direction.External support members 16 can be arranged in inside coil 1,
Can also be externally arranged.
Specific embodiment 18：
As shown in Figure 35, Figure 36, based on embodiment coil arrangement preferred variant, the symmetrical cloth of two coils
The upper and lower in magnetic 4 is put, can also so make magnetic 4 produce the driving moment of reciprocally swinging.The quantity of coil 1 not office
It is limited to the both sides that shown in Figure 35, Figure 36 two, or multipair different size of coil are arranged symmetrically in magnetic 4.
Two coils in Figure 35, Figure 36 can all be cascaded, it is also possible to be connected in parallel.If multiple coils, then
The inductance of coil can be changed by way of connection in series-parallel coil, so as to improve the performance of this type of drive high frequency.
Specific embodiment 19：
As shown in Figure 37, Figure 38, Figure 39, magnetic 4 is the permanent magnet in magnet rotor, can be embedded in rotating shaft 5, outside
Only one bearings as external support members 16, under the magnetic field produced by coil 1, magnetic 4 can produce pendulum
Dynamic torque, so as to drive magnetic 4 and 5 synchronous axial system of rotating shaft.Rotating shaft 5 connects external component and can just export swing exciting force.
External support members 16 can be roller bearing, or roller bearing.
Specific embodiment 20：
The first c-type driver 31, multiple degrees of freedom magnet rotor device 32, the second c-type driver 33 is shown in Figure 40.By two
Individual (or multiple) c-type driver spatially intersects (or multidirectional) arrangement composition many free torsional vibrations drive system.Wherein, many
Magnetic 4 (generally permanent magnet) in free degree magnet rotor device 32 can be made two and be hemispherical, and joint 3 can then do
Become the dome-type of indent, so that the gap uniformity between joint 3 and magnetic 4, is conducive to the steady output of driving force or torque.
Specific embodiment to the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make a variety of changes within the scope of the claims or change, this not shadow
Ring the flesh and blood of the present invention.In the case of not conflicting, feature in embodiments herein and embodiment can any phase
Mutually combine.
Claims (10)
1. a kind of twisting vibration test system, it is characterised in that including coil, magnetic conductive loop, magnetic, rotating shaft；
Coil be wrapped on magnetic conductive loop or one section of breach of magnetic conductive loop in；
Magnetic conductive loop has opening to form two ends, and the two ends of magnetic conductive loop are not connected to joint or the two ends of magnetic conductive loop are each divided
Two joints that Lian Jie be in a pair of joint；
Magnetic connection rotating shaft, and between the two ends of magnetic conductive loop or two joints.
2. twisting vibration test system according to claim 1, it is characterised in that also include magnetic balance block；Magnetic
Both sides be provided with magnetic balance block；Magnetic conductive loop is c-type body；Magnetic is using arbitrary in permanent magnet, electromagnet, soft magnetic bodies
Plant or appoint multiple connection assemblys；Magnetic conductive loop adopts soft magnetic materials, non-crystalline material or nanocrystalline material；
Magnetic balance block adopts concave form, and magnetic correspondingly adopts the evagination form with matching grooves；Magnetic balance block energy
Enough rotate to adjust the angle and horizontal plane between, it is also possible to adjustment and magnetic between spacing, and can lock angle and
Spacing；The end of rotating shaft is located in coil or extends the end connection external support members of the outer and rotating shaft of coil to export
Reciprocally swinging torque and motion, wherein, the part of coil outer is roller bearing or roller bearing；Magnetic is embedded in and turns
In axle or it is connected to the surface of rotating shaft；Magnetic balance block is located at the outside of coil or inside；The quantity of coil be one or
Person is multiple, series connection and/or parallel connection between multiple coils.
3. twisting vibration test system according to claim 1, it is characterised in that also include to reverse and drive output arm；Turn round
Turn and drive one end of output arm that rotating shaft is fastenedly connected, reverse and drive the other end of output arm to be provided with torsion drive connection hole.
4. twisting vibration test system according to claim 1, it is characterised in that also include connector, outside tested
Parts；Rotating shaft is by the outside tested parts of connector connection；Connector is rigid connector or flexible connecting member；Outward
The two ends of the tested parts in portion are stationary state, be free state or respectively stationary state and free state.
5. one kind is combined the unit, it is characterised in that shaken including the torsion any one of one or more Claims 1-4
Dynamic test system, the twisting vibration test system constitute rotation vibrator, and connection simultaneously applies rotation excitation to being energized part；
Energized part is outside tested parts and/or platform.
6. combination unit according to claim 5, it is characterised in that be energized connection rotation excitation in position at the one of part
Device, or plurality of positions connects different pivoting agitator respectively；Wherein, pivoting agitator follow energized part rotate or
The housing of pivoting agitator is fixed.
7. combination unit according to claim 5, it is characterised in that also include external driver device；External driver device
Connection is energized part.
8. combination unit according to claim 5, it is characterised in that the plurality of positions of platform connects respectively according to not coaxial
To the pivoting agitator of direction arrangement, the shell of pivoting agitator is fixed；Pivoting agitator passes through hinge arrangement connecting platform；Flat
The many places of platform are all connected with the balance unloading structure along tri- directions of XYZ；
Hinge arrangement be the combination of rigid hinge structure, elastic rod and kinematic pair combine or flexible structure and kinematic pair group
Close, wherein, the combination of rigid hinge structure includes the thick wall part being connected and thin-walled portion, and the quantity of thin-walled portion is one
Individual or multiple, the axial direction between multiple thin-walled portions is different directions.
9. one kind is combined the unit, it is characterised in that tested including the twisting vibration any one of multiple Claims 1-4
System, wherein：
Between the two ends of the magnetic conductive loop of-multiple twisting vibration test systems, corresponding connection, forms two nodes that cross, the two
The node that crosses extends respectively to two joints in a pair of joint；Or
Interlaced arrangement between the termination of the magnetic conductive loop of-multiple twisting vibration test systems.
10. combination unit according to claim 9, it is characterised in that the node that crosses is for L-shaped, T-shaped, cross, Y
Shape, X-shaped or more than three intersection linear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610938400.6A CN106483031B (en) | 2016-10-25 | 2016-10-25 | Torsional vibration testing system and combined device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610938400.6A CN106483031B (en) | 2016-10-25 | 2016-10-25 | Torsional vibration testing system and combined device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106483031A true CN106483031A (en) | 2017-03-08 |
| CN106483031B CN106483031B (en) | 2023-09-12 |
Family
ID=58271534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610938400.6A Active CN106483031B (en) | 2016-10-25 | 2016-10-25 | Torsional vibration testing system and combined device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106483031B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063610A (en) * | 2017-06-02 | 2017-08-18 | 南方英特空调有限公司 | A kind of four axle electromagnetism torsional oscillation comprehensive test platforms |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003126776A (en) * | 2001-10-30 | 2003-05-07 | Toyota Motor Corp | Torsional vibrator |
| CN102901556A (en) * | 2012-10-09 | 2013-01-30 | 北京航空航天大学 | Magnetic suspension type ultra-low-frequency vibration sensor |
| CN104266813A (en) * | 2014-10-29 | 2015-01-07 | 吉林大华机械制造有限公司 | Magnetic torsional vibration exciter and magnetic torsional vibration exciting system |
| CN204758411U (en) * | 2015-05-20 | 2015-11-11 | 西北工业大学 | Electromagnetic type hopkinson torsion bar loading device twists reverse rifle |
| CN105276051A (en) * | 2015-10-12 | 2016-01-27 | 杨斌堂 | Magnetic particle swing vibration absorption unit and method, combination device and electromagnetic damping power generation mechanism |
| CN105429353A (en) * | 2015-12-31 | 2016-03-23 | 上海交通大学 | Magnetic cam driving unit, vibration table device and linear driving device |
| CN105526294A (en) * | 2016-01-20 | 2016-04-27 | 上海交通大学 | Moving particle vibration absorption unit based on magnetic excitation, combination device and method |
-
2016
- 2016-10-25 CN CN201610938400.6A patent/CN106483031B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003126776A (en) * | 2001-10-30 | 2003-05-07 | Toyota Motor Corp | Torsional vibrator |
| CN102901556A (en) * | 2012-10-09 | 2013-01-30 | 北京航空航天大学 | Magnetic suspension type ultra-low-frequency vibration sensor |
| CN104266813A (en) * | 2014-10-29 | 2015-01-07 | 吉林大华机械制造有限公司 | Magnetic torsional vibration exciter and magnetic torsional vibration exciting system |
| CN204758411U (en) * | 2015-05-20 | 2015-11-11 | 西北工业大学 | Electromagnetic type hopkinson torsion bar loading device twists reverse rifle |
| CN105276051A (en) * | 2015-10-12 | 2016-01-27 | 杨斌堂 | Magnetic particle swing vibration absorption unit and method, combination device and electromagnetic damping power generation mechanism |
| CN105429353A (en) * | 2015-12-31 | 2016-03-23 | 上海交通大学 | Magnetic cam driving unit, vibration table device and linear driving device |
| CN105526294A (en) * | 2016-01-20 | 2016-04-27 | 上海交通大学 | Moving particle vibration absorption unit based on magnetic excitation, combination device and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063610A (en) * | 2017-06-02 | 2017-08-18 | 南方英特空调有限公司 | A kind of four axle electromagnetism torsional oscillation comprehensive test platforms |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106483031B (en) | 2023-09-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109682564A (en) | Six degree of freedom series parallel type electromagnetic vibration test platform | |
| CN108953473B (en) | A kind of vibration isolator of achievable horizontal decoupling | |
| CN101282070A (en) | Three-freedom Halback array permanent magnetism sphericity synchronous motor | |
| JP2018523127A (en) | Statically balanced mechanism using a Halbach cylinder | |
| CN203465071U (en) | Double-magnetic source magnetic circuit structure of permanent-magnet angular vibration bench | |
| CN105284039B (en) | It is configured for the actuator of rotating driver | |
| US20140246961A1 (en) | Energy transfer system and method | |
| CN105921392B (en) | It is conjugated the reciprocal pendular oscillation platform of the compound magnetic energy of constant diameter cam type and driving part and method | |
| CN104410241A (en) | Magnetic levitation spherical motor | |
| CN206258330U (en) | Twisting vibration test system and combination unit | |
| CN103487224B (en) | A kind of double magnetic source magnetic structure of magneto angle vibration table | |
| CN100415162C (en) | Magnetic system and magnetic resonance imaging apparatus | |
| CN105388903B (en) | A kind of module momentum sphere attitude control actuator of quick poly- dress | |
| CN106483031A (en) | Twisting vibration test system and combination unit | |
| CN109818472A (en) | A kind of double-stator structure Three Degree Of Freedom motor | |
| CN104704259A (en) | Electric damper for a motor vehicle | |
| CN205762153U (en) | Conjugation constant diameter cam type is combined magnetic energy reciprocal pendular oscillation platform and driver part | |
| CN101545804B (en) | Electric reverse vibration generator and method for realizing same | |
| CN100536293C (en) | Actuator | |
| CN115912843A (en) | Combined two-degree-of-freedom permanent magnet stepping motor | |
| CN105099061A (en) | Self-driven rotation shaft array driving system | |
| CN110829787A (en) | Linear rotation magnetic transmission mechanism and wing changing device of underwater vehicle | |
| CN109802513A (en) | P-m rotor drive-type multifreedom motion motor | |
| CN106341024B (en) | The orthogonal cylindrical structure two-freedom hybrid type stepping motor of robot | |
| CN105099062A (en) | Self-driven rotation shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |