CN106051014B - Multidimensional can harmonize zero stiffness vibration-isolating platform - Google Patents
Multidimensional can harmonize zero stiffness vibration-isolating platform Download PDFInfo
- Publication number
- CN106051014B CN106051014B CN201610545258.9A CN201610545258A CN106051014B CN 106051014 B CN106051014 B CN 106051014B CN 201610545258 A CN201610545258 A CN 201610545258A CN 106051014 B CN106051014 B CN 106051014B
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- China
- Prior art keywords
- silent flatform
- support plate
- platform
- regulating device
- sliding
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
- F16F2228/04—Frequency effects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
- F16F2228/06—Stiffness
Abstract
The invention discloses a kind of multidimensional can harmonize zero stiffness vibration-isolating platform, including moving platform, pedestal, damper and regulating device, and damper is connect with moving platform, and regulating device is the initial position for being connect with pedestal and damper, and being used to adjust damper.Pedestal include be the silent flatform being oppositely arranged with moving platform and the support device that is set on silent flatform and is connect with regulating device.The multidimensional of the present invention can harmonize zero stiffness vibration-isolating platform, and rigidity easy can be adjusted, and is suitable for wide frequency domain vibration isolation, has good engineering adaptability；While with higher support stiffness, also there is very low movement rigidity, static deformation amount is small, and dynamic intrinsic frequency is low, and vibration isolating effect is good；By rigidity, the flexible modulation of damping, the intrinsic contradictions for restricting traditional vibrating isolation system, the i.e. contradiction of low-frequency vibration transport and high-frequency vibration attenuation rate can be solved.
Description
Technical field
The invention belongs to absorber technical fields, specifically, the present invention relates to a kind of multidimensional can harmonize zero stiffness vibration isolation
Platform.
Background technology
High precision machine tool and precision instrument and equipment, high-grade research laboratory's equipment, missile transporter vehicle etc. are flat to vibration isolation
Platform proposes higher performance requirement, in Structural Engineering and mechanical engineering field, always all to seek a kind of performance more prominent
Vibration-isolating platform.
Invention content
The present invention provides one kind and having both higher static rigidity and relatively low dynamic rate, and can realize the adjustable wide frequency domain of rigidity
The quasi- zero stiffness vibration-isolating platform of vibration isolation.
To achieve the goals above, the technical solution that the present invention takes is：Multidimensional can harmonize zero stiffness vibration-isolating platform, packet
It includes：
Moving platform；
Damper is connect with moving platform；
Regulating device is connect with damper, and the initial position for adjusting damper；And
Pedestal comprising be the silent flatform being oppositely arranged with moving platform and be set on silent flatform and connect with regulating device
Support device.
Described damper one end is rotatablely connected with the moving platform, and the other end is rotatablely connected with the regulating device.
The support device is movably to be set on the silent flatform, and the regulating device is movably to be set to
In support device, and moving direction of the support device when being moved on silent flatform and regulating device in support device when moving
Moving direction is perpendicular.
The regulating device is multiple in the circumferentially about distribution of the moving platform, and each regulating device passes through described respectively
Damper is connect with moving platform, and in two adjacent regulating devices, between one of regulating device and the silent flatform
Distance be more than the distance between another regulating device and silent flatform.
The damper and the regulating device line centered on the axis of the moving platform are in uniform around moving platform
Distribution.
The support device include be set on the silent flatform and the support plate that is connect with the regulating device and with it is quiet
Platform is the sliding part for being slidably connected and being connect with support plate.
Support plate line centered on the axis of the silent flatform is uniformly distributed circumferentially multiple on silent flatform.
The sliding part is the bolt in sliding slot set on the embedded silent flatform, and the support plate, which has, allows bolt to wear
The hole crossed, bolt are equipped with the nut for fastening the support plate.
The regulating device includes the tune for being rotatablely connected with the damper and being connect with the support plate by fastener
Seat is saved, support plate, which has, makes the sliding slot that fastener passes through, the length direction of sliding slot parallel with the moving direction of adjustment seat.
There is the support plate the first sliding groove and second sliding slot being located along the same line, second sliding slot to be located at the first sliding groove
Between the silent flatform.
The multidimensional of the present invention can harmonize zero stiffness vibration-isolating platform, have the following advantages that：
1, the vibration-isolating platform not only solves problem when low frequency or superlow frequency vibrating is isolated in conventional linear vibrating isolation system, keeps away
Exempt from using disadvantage actively high with semi- active control vibration isolator structure complexity, manufacturing cost highly energy-consuming；
2, the vibration-isolating platform is in certain deformation range, using three shock-absorbing springs of upper end as positive stiffness elements and lower end
Three be only used as negative stiffness shock-absorbing spring element in parallel, it can be achieved that the vibration-isolating platform near its equilbrium position it is non-linear just
Degree；
3, the vibration-isolating platform can by regulating device adjust damper initial position can to realize wide frequency domain vibration isolation
It is widely used in the precision instrument stringent to vibration isolation requirement and equipment, there is good engineering practicability.
4, while the vibration-isolating platform has higher support stiffness, also there is very low movement rigidity, static deformation amount
It is small, the low vibration isolating effect of dynamic intrinsic frequency.
Description of the drawings
This specification includes the following drawings, and shown content is respectively：
Fig. 1 is the structural schematic diagram of vibration-isolating platform of the present invention；
Fig. 2 is the structural schematic diagram of moving platform；
Fig. 3 is the installation diagram of moving platform and damper；
Fig. 4 is the structural schematic diagram of pedestal；
Fig. 5 is the structural schematic diagram of silent flatform；
In figure label for：
1, damper；11, pin hole；12, shock-absorbing spring；2, pedestal；21, silent flatform；22, support plate；23, the first sliding groove；
24, second sliding slot；25, third sliding slot；26, sliding part；27, the first nut；3, regulating device；31, adjustment seat；32, bolt；
33, the second nut；4, moving platform；41, loading plate；42, mounting base；43, the 4th sliding slot；44, bolt；45, third nut.
Specific implementation mode
Below against attached drawing, by the description of the embodiment, making to the specific implementation mode of the present invention further details of
Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to the design of the present invention, technical solution
Solution, and contribute to its implementation.
As shown in Figures 1 to 5, the present invention provides a kind of multidimensional zero stiffness vibration-isolating platform can be harmonized, including moving platform 4,
Pedestal 1, damper and regulating device 3, damper are connect with moving platform 4, and regulating device 3 is connect with pedestal 1 and damper,
And the initial position for adjusting damper.Pedestal 1 includes being the silent flatform 21 being oppositely arranged with moving platform 4 and being set to quiet flat
The support device being connect on platform 21 and with regulating device 3.The multidimensional of the present invention can harmonize zero stiffness vibration-isolating platform, be arranged certain
Structural parameters, the vibration-isolating platform may be implemented in equilbrium position with quasi- zero stiffness and near equilbrium position with it is non-linear just
Degree, when can solve the problems, such as conventional linear vibrating isolation system isolation low frequency or superlow frequency vibrating；Rigidity easy can be adjusted, and be suitable for width
Frequency domain vibration isolation has good engineering adaptability；While with higher support stiffness, also there is very low movement rigidity,
Static deformation amount is small, and dynamic intrinsic frequency is low, and vibration isolating effect is good；By rigidity, the flexible modulation of damping, can solve to restrict tradition
The intrinsic contradictions of vibrating isolation system, the i.e. contradiction of low-frequency vibration transport and high-frequency vibration attenuation rate.Multidimensional proposed by the present invention can
It is a kind of novel damping vibration-isolating platform to harmonize zero stiffness vibration-isolating platform, has good economy and practicability, can be generalized to
Every field.
Specifically, as shown in Figure 1, one end of damper and moving platform 4 are rotatablely connected, 3 turns of the other end and regulating device
Dynamic connection, the axis of damper both ends rotating joint it is parallel and with the axis perpendicular of moving platform 4.The center line of damper
With the axis perpendicular of damper both ends rotating joint, regulating device 3 is the center line and horizontal plane for adjusting damper
Between initial angle, that is, change damper initial position, to change the initial pre- of the shock-absorbing spring having on damper
Clamp force.
As shown in Figure 1, Figure 4 and Figure 5, the silent flatform 21 of pedestal 1 is to be oppositely arranged with moving platform 4, and support device is removable
Dynamic is set on silent flatform 21, and position of the support device on silent flatform 21 can be adjusted, and regulating device 3 is movably to set
It is placed in support device, position-adjustable of the regulating device 3 in support device, and support device on silent flatform 21 when moving
Moving direction and moving direction of the regulating device 3 when being moved in support device it is perpendicular.Silent flatform 21 is disc-shaped component,
Support device line centered on the axis of silent flatform 21 is circumferentially multiple on silent flatform 21.Support device includes being set to
It the support plate 22 that is connect on silent flatform 21 and with regulating device 3 and is slidably connected with silent flatform 21 and is connect with support plate 22
Sliding part 26, support plate 22 are vertically arranged on the top surface of silent flatform 21, length direction and the silent flatform 21 of support plate 22
Axis is parallel, and the third sliding slot 25 radially extended is accordingly equipped on the top surface of silent flatform 21, and the end of sliding part 26 is embedding
Enter to realize in third sliding slot 25 and be slidably connected with silent flatform 21.
As shown in Figure 4 and Figure 5, third sliding slot 25 is to be set on silent flatform 21 and T-type sliding slot that section is T-type, third
The axis perpendicular of the length direction and silent flatform 21 of sliding slot 25.Sliding part 26 be preferably bolt, the axis of sliding part 26 with it is quiet
The axis of platform 21 is parallel, and in the hexagonal head insertion third sliding slot 25 of sliding part 26, threaded shank is from third sliding slot 25
The set through-hole after stretching and in support plate 22, sliding part 26 are equipped with the first nut 27 for fastening support plate 22.
Third sliding slot 25 forms the opening for allowing sliding part 26 to stretch out, sliding part on the surface contacted with support plate 22 on silent flatform 21
26 hexagonal head size is more than the size of the opening, and third sliding slot is embedded in always to the hexagonal head of sliding part 26
In 25, sliding part 26 is only capable of moving radially relative to silent flatform 21, to make support device can be along diameter on silent flatform 21
To movement, position adjusting is carried out, by tightening the first nut 27, the fastener that the first nut 27 is constituted with bolt is by support plate 22
It is fixed on silent flatform 21.
As shown in Figure 4 and Figure 5, mounting plate that is parallel with silent flatform 21 there are one the end tools of support plate 22 and contacting,
The mounting plate is rectangular flat, in order to improve stability when support device movement and it is fixed after reliability, support plate 22 is logical
It crosses multiple fasteners being made of with sliding part 26 the first nut 27 to connect with silent flatform 21, and fastener is at least arranged two.
It is accordingly corresponded on silent flatform 21 and two parallel third sliding slots 25 is respectively set at the position of each support device, third is slided
The line in pairs and centered on the axis of silent flatform 21 of slot 25 be uniformly arranged in the circumferential direction on silent flatform 21 it is multigroup, the two of each group
One sliding part 26 is at least installed respectively in a third sliding slot 25.
In the present embodiment, as shown in Figure 4 and Figure 5, each support plate 22 is by four by the first nut 27 and sliding
The fastener that part 26 is constituted is connect with silent flatform 21, four rectangular distributions of fastener, and in two third sliding slots 25 of each group
Two sliding parts 26 are installed respectively.
As shown in Figure 1, regulating device 3, damper and support plate 22 are more in being circumferentially about uniformly distributed for moving platform 4
A, the quantity of regulating device 3, damper and support plate 22 is equal, and each support plate 22 passes through a regulating device 3 and vibration damping
Device connects.In two adjacent regulating devices 3, the distance between one of regulating device 3 and silent flatform 21 are more than another
The distance between a regulating device 3 and silent flatform 21；In the circumferential in continuous three regulating devices 3, it is located at intermediate adjusting
The distance between device 3 and silent flatform 21 are less than positioned at the distance between the regulating device 3 of both sides and silent flatform 21.In Fig. 1 institutes
When showing state, regulating device 3, damper and support plate 22 line centered on the axis of moving platform 4 are in uniform around moving platform 4
Distribution.In the present embodiment, as shown in Figure 1, regulating device 3, damper and support plate 22 are respectively arranged six.
As shown in figures 1 and 3, one end of damper is rotatablely connected by axis pin and moving platform 4, the other end by axis pin with
Regulating device 3 is rotatablely connected.As shown in Fig. 2, moving platform 4 includes loading plate 41 and is set on loading plate 41 and turns with damper
The mounting base 42 of dynamic connection, mounting base 42 are connect by fastener with loading plate 41, and loading plate 41, which has, allows fastener to pass through
The length direction of 4th sliding slot 43, the 4th sliding slot 43 is parallel with the axis of moving platform 4.Position of the mounting base 42 on loading plate 41
Set adjustable, mounting base 42 is movably to be set on loading plate 41, and shifting of the mounting base 42 when being moved on loading plate 41
Dynamic direction is parallel with the axis of moving platform 4.Mounting base 42 centered on the axis of moving platform 4 line on loading plate 41 circumferentially
It is uniformly distributed multiple, each mounting base 42 is rotatablely connected with damper respectively.
As shown in Fig. 2, the 4th sliding slot 43 is to be set on loading plate 41 and T-type sliding slot that section is T-type, the 4th sliding slot 43
Length direction it is parallel with the axis of moving platform 4.It is by bolt 44 for connecting mounting base 42 and the fastener of loading plate 41
It is constituted with third nut 45, the axis perpendicular of the axis and moving platform 4 of bolt 44, the hexagonal head insertion the 4th of bolt 44
In sliding slot 43,44 threaded shank of bolt through-hole set after being stretched out in the 4th sliding slot 43 and in the mounting base 42, on bolt 44
Equipped with the third nut 45 for fastening mounting base 42.The surface that with mounting base 42 contacts of 4th sliding slot 43 on loading plate 41
Upper formation allows the opening that bolt 44 stretches out, the hexagonal head size of bolt 44 to be more than the size of the opening, thus bolt 44
Hexagonal head is embedded in always in the 4th sliding slot 43, and bolt 44 is only capable of relative to loading plate 41 along the length side of the 4th sliding slot 43
To movement, to make mounting base 42 on loading plate 41 can along the direction parallel with the axis of moving platform 4 until move, into
Line position sets adjusting, and by tightening third nut 45, mounting base 42 is fixed on by the fastener that third nut 45 is constituted with bolt 44
On loading plate 41.
As shown in Fig. 2, there are one the mounting plate being in contact with the surface of loading plate 41, the installations for the end tool of mounting base 42
Plate is rectangular flat, and in order to improve stability when mounting base 42 moves and the reliability after fixation, mounting base 42 is by multiple
The fastener being made of third nut 45 and bolt 44 is connect with loading plate 41, and fastener is at least arranged two.Accordingly holding
It is installed on support plate 41 and two the 4th parallel sliding slots 43 is respectively set at the position of each mounting base 42, the 4th sliding slot 43 is two-by-two
One group and line is uniformly arranged in the circumferential direction multigroup, two the 4th of each group cunnings on loading plate 41 centered on the axis of moving platform 4
One bolt 44 is at least installed respectively in slot 43.
In the present embodiment, as shown in Fig. 2, each mounting base 42 is made of third nut 45 and bolt 44 by two
Fastener connect with loading plate 41, two fasteners be in on the same straight line of the axis perpendicular of moving platform 4, and each group
Two the 4th sliding slots 43 in a bolt 44 is installed respectively.
In the present embodiment, due to damper setting there are six, corresponding mounting base 42 is also provided with six, as shown in Fig. 2,
Loading plate 41 is regular hexagon component, and the center line of loading plate 41 is the axis of moving platform 4, on six sides of loading plate 41
It is respectively provided with there are two the 4th sliding slot 43, six mounting bases 42 are connect with loading plate 41 by fastener and around loading plate 41
It is uniformly distributed in circumferential.
As shown in Figure 1 and Figure 4, regulating device 3 includes being rotatablely connected with damper and being connected by fastener and support plate 22
The adjustment seat 31 connect, support plate 22, which has, allows the sliding slot that fastener passes through, the length direction of sliding slot and the mobile side of adjustment seat 31
To parallel.An adjustment seat 31 is respectively set in each support plate 22, adjustment seat 31 is movably to be set in support plate 22,
Position-adjustable of the adjustment seat 31 in support plate 22, and moving direction of the adjustment seat 31 when being moved in support plate 22 is put down with quiet
The axis of platform 21 is parallel.Since two adjacent adjustment seats 31 relative to silent flatform 21 are carried out according to one remote one close mode
Setting, therefore each support plate 22 all has the first sliding groove 23 being located along the same line and second sliding slot 24, second sliding slot 24
Between the first sliding groove 23 and silent flatform 21, the distance between the first sliding groove 23 and silent flatform 21 be more than second sliding slot 24 with it is quiet
The distance between platform 21 is by fastener in 23 position of the first sliding groove for the adjustment seat 31 remote apart from silent flatform 21
Place is connect with support plate 22, be fastener in 24 position of second sliding slot for the adjustment seat 31 close apart from silent flatform 21 and
Support plate 22 connects.
As shown in Figure 1 and Figure 4, the first sliding groove 23 and second sliding slot 24 are the length extended along the length direction of support plate 22
Slot, the first sliding groove 23 and second sliding slot 24 simultaneously for along support plate 22 thickness direction through setting, for connect adjustment seat 31 with
The fastener of support plate 22 is made of bolt 32 and the second nut 33, and the axis of bolt 32 mutually hangs down with the axis of silent flatform 21
Directly, and parallel with the axis of bolt 44, the size of the hexagonal head of bolt 32 is more than the first sliding groove 23 and second sliding slot 24
Width.For the adjustment seat 31 being connect with support plate 22 at the first sliding groove 23 by fastener, the hexagonal head of bolt 32
Portion is located at the outside of the first sliding groove 23, and adjustment seat 31 is located at the inside of the first sliding groove 23, and the threaded shank insertion first of bolt 32 is slided
In slot 23 and after being stretched out in the first sliding groove 23 and through-hole set in adjustment seat 31 is passed through, is arranged on bolt 32 and is adjusted for fastening
The second nut 33 of seat 31 is saved, bolt 32 can be moved relative to support plate 22 along the length direction of the first sliding groove 23, to make tune
Saving seat 31 can be along the direction parallel with the axis of silent flatform 21 until moving in support plate 22, and progress position adjusting is led to
It crosses and tightens the second nut 33, adjustment seat 31 is fixed in support plate 22 by the fastener that the second nut 33 is constituted with bolt 32.It is right
It is located at second in the hexagonal head of the adjustment seat 31 being connect with support plate 22 at second sliding slot 24 by fastener, bolt 32
The outside of sliding slot 24, adjustment seat 31 are located at the inside of second sliding slot 24, in the threaded shank insertion second sliding slot 24 of bolt 32 and from
The set through-hole after being stretched out in second sliding slot 24 and in the adjustment seat 31 is arranged for fastening adjustment seat 31 on bolt 32
Two nuts 33, bolt 32 can be moved relative to support plate 22 along the length direction of second sliding slot 24, to make adjustment seat 31 prop up
It can be along the direction parallel with the axis of silent flatform 21 until moving, progress position adjusting, by tightening second on fagging 22
Adjustment seat 31 is fixed in support plate 22 by nut 33, the fastener that the second nut 33 is constituted with bolt 32.Each support plate 22
Structure it is identical, simultaneously be provided with the first sliding groove 23 and second sliding slot 24, versatility is good, but each regulating device 3 is only capable of
Mounted on for support plate 22 on the first sliding groove 23 at or second sliding slot 24 at.Continuous three regulating devices in the circumferential
In 3, it is located at the adjustment seat 31 of intermediate regulating device 3 by fastener at second sliding slot 24 in support plate 22 and support plate
22 connections are located at the adjustment seats 31 of two regulating devices 3 of both sides by fastener at the first sliding groove 23 in support plate 22
It is connect with support plate 22.
As shown in figure 4, there are one the mounting plate being in contact with the surface of support plate 22, the installations for the end tool of adjustment seat 31
Plate is rectangular flat, and in order to improve stability when adjustment seat 31 moves and the reliability after fixation, adjustment seat 31 is by multiple
The fastener being made of the second nut 33 and bolt 32 is connect with support plate 22, and fastener is at least arranged two.Accordingly propping up
At least provided with two parallel the first sliding grooves 23 and two parallel second sliding slots 24, each the first sliding groove on fagging 22
23 and second sliding slot 24 in respectively at least install a bolt 32.
In the present embodiment, as shown in figure 4, each adjustment seat 31 is made of the second nut 33 and bolt 32 by two
Fastener connect with support plate 22, two fasteners be in on the same straight line of the axis perpendicular of silent flatform 21, support
Parallel the first sliding groove 23 and two parallel second sliding slots 24 there are two being arranged on plate 22, and the first sliding groove 23 and second
One bolt 32 is installed respectively in sliding slot 24.
The major advantage of connection type between the regulating device 3 of above structure, pedestal 1, moving platform 4 and each component embodies
：1) adjusting, the dismounting for facilitating entire vibration-isolating platform adjust the size that can make the platform vibration isolation object, weight range expansion,
Flexibly dismounting can be such that platform is moved easily, and be readily transported；2) structure design of entire platform, can easily produce serial production
Product, convenient for the console module, producing in serial form.
The following detailed description of the quasi- zero stiffness for how realizing vibration-isolating platform, the specific steps are：
Step 1：The deformation quantity of shock-absorbing spring when moving platform 4 is reached equipoise by extraneous exciting force is calculated first.
Step 2：The deformation quantity of shock-absorbing spring is to adjust and be set to branch when reaching equipoise according to put object
The pre compressed magnitude for the damper that regulating device 3 at the first sliding groove 23 of fagging 22 connects makes the pretightning force of the damper along vibration damping
Device is directed toward lower spring end lid.Shock-absorbing spring when moving platform 4 moves downward on the damper just will produce positive rigidity.
Step 3：Adjust and be set to the vibration damping for the damper that the regulating device 3 at the second sliding slot 24 of support plate 22 connects
The deformation quantity of spring, the pre compressed magnitude to adjust the damper make the pretightning force of damper be directed toward lower end along damper.When dynamic
Shock-absorbing spring when platform 4 moves downward on the damper just will produce negative stiffness.
Positive rigidity that the damper that is connect with the regulating device 3 at the first sliding groove 23 for being set to support plate 22 generates and with
The negative stiffness that the damper that the regulating device 3 at the second sliding slot 24 of support plate 22 connects generates is set to numerically to be added just
The global stiffness that entire vibration insulating system may be implemented is zero, to realize quasi- zero stiffness vibration-isolating platform.
The present invention is exemplarily described above in association with attached drawing.Obviously, present invention specific implementation is not by above-mentioned side
The limitation of formula.As long as using the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress；Or not
It is improved, the above-mentioned design of the present invention and technical solution are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (10)
1. multidimensional can harmonize zero stiffness vibration-isolating platform, which is characterized in that including：
Moving platform；
Damper is connect with moving platform；
Regulating device is connect with damper, and the initial position for adjusting damper；And
Pedestal comprising be the silent flatform being oppositely arranged with moving platform and the branch that is set on silent flatform and is connect with regulating device
Support arrangement；
Wherein, support device is movably to be set on silent flatform, and regulating device is movably to be set in support device,
Moving direction of the support device when being moved on silent flatform mutually hangs down with moving direction of the regulating device when being moved in support device
Directly；
Damper one end is rotatablely connected with moving platform, and the other end is rotatablely connected with regulating device；
Regulating device is multiple in the circumferentially about distribution of moving platform, and each regulating device is put down by the damper with dynamic respectively
Platform connects, and in two adjacent regulating devices, the distance between one of regulating device and silent flatform are adjusted more than another
The distance between regulating device and silent flatform；
Support device include be set on silent flatform and the support plate that is connect with regulating device and with silent flatform be slidably connected and
The sliding part being connect with support plate, regulating device include the tune for being rotatablely connected with damper and being connect with support plate by fastener
Save seat, adjustment seat position-adjustable on the supporting plate and moving direction when adjustment seat moves on the supporting plate and silent flatform
Axis is parallel, and support plate has the moving direction phase of the length direction and adjustment seat of the sliding slot and the sliding slot that allow fastener to pass through
Parallel, support plate is vertically arranged on the top surface of silent flatform, and the length direction of support plate is parallel with the axis of silent flatform, quiet
The top surface of platform is equipped with the third sliding slot radially extended, is realized and silent flatform in the end insertion third sliding slot of sliding part
It is slidably connected；
There is the support plate the first sliding groove and second sliding slot being located along the same line, second sliding slot to be located at the first sliding groove and institute
It states between silent flatform and the first sliding groove and second sliding slot is the elongated slot extended along the length direction of support plate, in the circumferential continuously
In three regulating devices, be located at the adjustment seat of intermediate regulating device by fastener second sliding slot on the supporting plate with branch
Fagging connects, be located at the adjustment seats of two regulating devices of both sides by fastener the first sliding groove on the supporting plate with support
Plate connects.
2. multidimensional according to claim 1 can harmonize zero stiffness vibration-isolating platform, which is characterized in that one end of the damper
It is rotatablely connected by axis pin and moving platform, the other end is rotatablely connected by axis pin and regulating device.
3. multidimensional according to claim 1 can harmonize zero stiffness vibration-isolating platform, which is characterized in that the end of the support plate
Tool is there are one mounting plate that is parallel with silent flatform and contacting, which is rectangular flat, and support plate is by multiple by first
Nut is connect with the fastener that sliding part is constituted with silent flatform, is corresponded on silent flatform and is set respectively at the position of each support device
Two parallel third sliding slots are set, line is all in silent flatform upper edge in pairs and centered on the axis of silent flatform for third sliding slot
It is multigroup to being uniformly arranged, a sliding part is at least installed respectively in two third sliding slots of each group.
4. multidimensional according to claim 1 can harmonize zero stiffness vibration-isolating platform, which is characterized in that each support plate is
The fastener being made of with sliding part the first nut by four is connect with silent flatform, four rectangular distributions of fastener, and each
Two sliding parts are installed respectively in two third sliding slots of group.
5. multidimensional according to claim 4 can harmonize zero stiffness vibration-isolating platform, which is characterized in that the damper and described
Regulating device line centered on the axis of the moving platform is evenly distributed around moving platform.
6. multidimensional according to any one of claims 1 to 5 can harmonize zero stiffness vibration-isolating platform, which is characterized in that the third
Sliding slot is to be set on platform ennation and T-type sliding slot that section is T-type, the length direction of third sliding slot and the axis of silent flatform
It is perpendicular.
7. multidimensional according to claim 6 can harmonize zero stiffness vibration-isolating platform, which is characterized in that the support plate is with described
Line is uniformly distributed circumferentially multiple on silent flatform centered on the axis of silent flatform.
8. multidimensional according to claim 6 can harmonize zero stiffness vibration-isolating platform, which is characterized in that the sliding part is insertion
The hexagonal head of bolt on the silent flatform in set sliding slot, sliding part is embedded in third sliding slot, the support plate tool
There are the hole for allowing bolt to pass through, bolt to be equipped with the nut for fastening the support plate.
9. multidimensional according to claim 6 can harmonize zero stiffness vibration-isolating platform, which is characterized in that the first sliding groove and
Two sliding slots are the thickness direction along support plate through setting.
10. multidimensional according to claim 9 can harmonize zero stiffness vibration-isolating platform, which is characterized in that set in the support plate
Parallel the first sliding groove and two parallel second sliding slots there are two setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610545258.9A CN106051014B (en) | 2016-07-12 | 2016-07-12 | Multidimensional can harmonize zero stiffness vibration-isolating platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610545258.9A CN106051014B (en) | 2016-07-12 | 2016-07-12 | Multidimensional can harmonize zero stiffness vibration-isolating platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106051014A CN106051014A (en) | 2016-10-26 |
| CN106051014B true CN106051014B (en) | 2018-08-17 |
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| CN106870615B (en) * | 2017-04-21 | 2018-10-09 | 吉林大学 | A kind of dish type non-linear low frequency vibration isolator based on positive and negative Stiffness principle |
| CN108799405B (en) * | 2018-06-28 | 2019-12-27 | 天津航天机电设备研究所 | Zero-rigidity vibration isolation device without angular displacement |
| CN112377563B (en) * | 2020-11-12 | 2022-04-12 | 中国船舶重工集团公司第七0七研究所 | Vibration isolation device with high attitude precision |
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