CN206114238U - Supplementary vibrating device of nonlinear elasticity and vibration tilter - Google Patents
Supplementary vibrating device of nonlinear elasticity and vibration tilter Download PDFInfo
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- CN206114238U CN206114238U CN201620924540.3U CN201620924540U CN206114238U CN 206114238 U CN206114238 U CN 206114238U CN 201620924540 U CN201620924540 U CN 201620924540U CN 206114238 U CN206114238 U CN 206114238U
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Abstract
The utility model discloses a supplementary vibrating device of nonlinear elasticity and vibration tilter aims at overcoming in the development of vibration tilter because too big design, manufacturing and the use cost who leads to vibrating the tilter of consumed power rises by a wide margin, can't design the problem that satisfies the vibration tilter that uses even. The vibration tilter includes supporting platform (1), 4 nonlinear elasticity supplementary vibrating device (2), 4 supporting seat (3) and 3 vibration exciter (4), 3 install between supporting platform (1) and base (5) through the ball pivot individual vibration exciter (4), 4 individual nonlinear elasticity assists vibrating device (2) to arrange around supporting platform (1) symmetrically, and the bottom of 4 supporting seat (3) and base (5) fixed connection are installed on 4 supporting seat (3) through wherein tongue shape board (13) with supporting platform (1) one side a fixed connection, 4 nonlinear elasticity supplementary vibrating device (2) respectively in 4 nonlinear elasticity supplementary vibrating device (2).
Description
Technical field
This utility model is related to a kind of device belonged in vibration environment test field.More precisely, this utility model
It is related to a kind of nonlinear elasticity auxiliary vibration device and the vibration and sway platform comprising the vibrating device.
Background technology
Vibration and sway platform is a kind of equipment that can reproduce the vibration environment residing for test specimen, for studying by test specimen in difference
Reliability and stability under vibration environment.When larger by test specimen quality, vibration displacement, speed and acceleration amplitude require higher
When, meeting specific vibration test condition, vibration and sway platform required input power can be substantially increased.Manufactured and designed and used into
This restriction, the scope of application of existing vibration and sway platform is restricted.
For energy saving, efficiency is improved, expand the use range of vibration and sway platform, Chinese patent Authorization Notice No. is
CN201876344U, authorized announcement date is 2011.06.22, and patent name is " resonant vibration table with adjustable supporting rigidity ", the Shen
Please case disclose the resonant vibration table that a kind of support stiffness can be adjusted, using the mode of resonance reducing power consumption, save
The about energy.It discloses three kinds of more typical stiffness tuning modes.Its stiffness tuning mode is respectively adjusted and supports vibration table fortune
The gentle spring air chamber pressure of the leaf spring jib-length of dynamic part, the helical spring useful effect number of turns.Its weak point is to work as rigidity
After regulation terminates, the natural frequency of vibration table determines, in use, without external force adjust, rigidity without
Method changes, i.e., in vibration processes, the natural frequency of system is difficult to change.And do not point out " adjustable supports in patent document
The concrete form of the resonant vibration table of rigidity ".
Chinese patent mandate publication No. be CN105806580A, mandates date of publication be 2016.07.27, Application No.
201610379095.1, patent name is " stiffness variable wideband resonance mechanism ", and this application case discloses one kind and can be used to vibrate
The wideband resonance mechanism of platform, the mechanism realizes what the rigidity of whole mechanism increased with displacement and reduced using leaf spring and lever construction
Characteristic, is applied on a vibration table, it is possible to achieve the resonance effect in wide frequency range, reduces input power.But this is humorous
Mechanism structure of shaking is complex, and in the course of the work, the part Jing such as lever end bearing and leaf spring and take-off lever often collides,
The global reliability of structure is relatively low.
The content of the invention
Technical problem to be solved in the utility model is to overcome prior art to grind in heavily loaded large-amplitude vibration tilter
During system, the design of vibration and sway platform, manufacturing cost and use cost is caused to be substantially increased because system consumption power is excessive, or even
The problem of the vibration and sway platform for meeting use requirement cannot be designed, there is provided a kind of nonlinear elasticity auxiliary vibration device and bag
Vibration and sway platform containing the vibrating device.
To solve above-mentioned technical problem, this utility model adopts the following technical scheme that realization：Described nonlinear elasticity
Property auxiliary vibration device include framework, floor rails, top surface guide rail, lower compact heap, tongue tray, upper compact heap, spring, connecting rod,
Contiguous block, slide block and column；
Described floor rails are arranged on the middle of the chassis base of framework, and top surface guide rails assembling is on the framework top of framework
The middle of plate, to be slidably connected in floor rails with top surface guide rail, column is vertically mounted to chassis base to slide block
Between frame head plate and with bolts, lower compact heap, tongue tray are arranged on from the bottom to top on column with upper compact heap and are
It is slidably connected, lower end and the upper end of upper compact heap of lower compact heap are hinged by connecting rod with contiguous block, and the side of contiguous block passes through
Spring is connected with framework, and the bottom surface of contiguous block is fixedly connected with a slide block.
Upper compact heap described in technical scheme is identical with the structure of lower compact heap, and lower compact heap is rectangular with upper compact heap
Bodily form hollow structural component, is provided with right angle guide groove, in the top of upper compact heap at lower compact heap and upper compact heap corner
The groove that bottom surface is the face of cylinder is provided with the heart, the upper round tube hole for being provided with to install bearing pin before and after groove on cell wall is gone up
Front round tube hole and upper rear round tube hole, go forward round tube hole and the rotation conllinear of upper rear round tube hole；The bottom surface of upper compact heap is arranged
Into arc surface, the radius of curvature of arc surface is identical with the radius of curvature size of the upper and lower circular arc camber of tongue tray.
Column described in technical scheme is vertically mounted between chassis base and frame head plate and with bolts
Refer to：
Described column includes right front column, left front column, left back column and right rear column；Described right front column, a left side
No. 1 base plate projection on front column, left back column and the bottom and chassis base inner surface of right rear column, No. 2 base plate projections, 3
Raised successively align raised with No. 4 base plates of number base plate contacts, and is fixed using bolt；Right front column, left front column, left back column
Align successively with the top surface projection of four rectangles on the top and frame head plate of right rear column and contact, and fixed using bolt,
Right front column, left front column, left back column are parallel to each other with right rear column, and perpendicular to chassis base and frame head plate.
The lower end of the lower compact heap described in technical scheme is hinged with contiguous block by connecting rod with the upper end of upper compact heap and is
Refer to：
Described connecting rod includes bottom right connecting rod, left lower link, upper left connecting rod and upper right connecting rod；Described contiguous block includes the right side
Lower connecting block, lower-left contiguous block, upper left contiguous block and upper right contiguous block；The lower end and bottom right connecting rod, a left side of described lower compact heap
Lower link upper end is hinged, and lower end and the bottom right contiguous block of bottom right connecting rod are hinged, and lower end and the lower-left contiguous block of left lower link are hinged；
The upper end of upper compact heap and upper left connecting rod, the lower end of upper right connecting rod are hinged, and upper end and the upper left contiguous block of upper left connecting rod are hinged, right
The upper end of upper connecting rod is hinged with upper right contiguous block.
Bottom right contiguous block, upper right contiguous block, lower-left contiguous block described in technical scheme is structure phase with upper left contiguous block
Same square bodily form structural member, is provided with both sides and opens on bottom right contiguous block, upper right contiguous block, lower-left contiguous block and upper left contiguous block
The square indentations of mouth, are provided with the round tube hole for installing connection bearing pin, before and after groove on bottom land equably on cell wall
Four connecting holes are disposed with, for carrying out bolt connection, groove with bottom right slide block, upper right slide block, lower-left slide block and upper left slide block
Another cell wall on be provided with a connecting hole, to No. 1 bottom right spring base, No. 1 upper right spring base, No. 1 lower-left spring base
Bolt connection is carried out with No. 1 upper left spring base.
The side of the contiguous block described in technical scheme is connected by spring with framework, and bottom surface and the slide block of contiguous block are fixed
Connection is referred to：
Described contiguous block includes bottom right contiguous block, lower-left contiguous block, upper left contiguous block and upper right contiguous block；Described bullet
Spring includes lower-left spring, upper left spring, upper right spring and bottom right spring；The right-hand member of described bottom right contiguous block passes through No. 1 bottom right
Spring base is connected with the left end of bottom right spring, and the right-hand member of bottom right spring is by No. 2 bottom right spring bases and the right riser of framework of framework
Lower end connection, the bottom face of bottom right contiguous block is fixedly connected with the bottom right slide block top end face in slide block；A left side for lower-left contiguous block
End is connected by No. 1 lower-left spring base with the right-hand member of lower-left spring, and the left end of lower-left spring is by No. 2 lower-left spring bases and framework
The left riser of framework lower end connection, the bottom face of lower-left contiguous block is fixedly connected with lower-left slide block top end face；Upper right contiguous block
Right-hand member be connected with the left end of upper right spring by No. 1 upper right spring base, the right-hand member of upper right spring by No. 2 upper right spring bases with
The upper end connection of the right riser of framework of framework, the top end face of upper right contiguous block is fixedly connected with the bottom face of upper right slide block；Upper left
The left end of contiguous block is connected by No. 1 upper left spring base with the right-hand member of upper left spring, and the left end of upper left spring passes through No. 2 upper left bullets
Spring abutment is connected with the upper end of the left riser of the framework of framework, and the top end face of upper left contiguous block is fixed with the bottom face of upper left slide block and connected
Connect.
Framework described in technical scheme also includes the left riser of framework and the right riser of framework；Wherein：The left riser of framework and frame
The right riser structure of frame is identical, and frame head plate is identical with chassis base structure, the plate structure part of rectangular cross section such as is all；Framework
The left riser of top board, chassis base, framework is equal with width before and after the right riser of framework, and frame head plate, chassis base, framework are left vertical
Plate is equal with the thickness of the right riser of framework, and rectangular frame is bolted or be welded between them.
The centre position of the chassis base inner surface described in technical scheme is equably provided with the bottom of 2 rows totally four rectangles
The raised i.e. No. 1 base plate projection of plate, No. 2 base plate projections, No. 3 base plates projections and No. 4 base plate projections, the shape of four base plate projections,
Size is identical, is separately provided for column in four base plate projections and installs fixed bolt hole, and the base plate of four rectangles is convex
The symmetrical centre line for rising is a rectangle, i.e., No. 1 base plate projection, No. 2 base plate projections, No. 3 base plates are raised and No. 4 base plates projections are divided
Cloth at the corner of one rectangle in chassis base inner surface centre position, the raised long end faces raised with No. 4 base plates of No. 3 base plates
It is coplanar with the one of chassis base long end face, a long end face and another length of chassis base of No. 1 base plate projection and No. 2 base plates projections
End face is coplanar；The raised height of the base plate of four rectangles is set to 5～10mm；One is respectively provided with the base plate projection of four rectangles
Group structure identical bolt hole, each group of bolt hole is aligned with one group of screwed hole set by post end, and No. 1 base plate is convex
Rise, No. 2 base plates are raised and chassis base between No. 3 base plate projections, No. 4 base plates projections on be equably disposed with installation bottom surface and lead
The screwed hole of rail.
The left end portion of the tongue tray described in technical scheme is set to cylindrical structure part, the loading of cylindrical structure part
In circular hole on the end face of support platform, and cylindrical structure part is connected with support platform using welding manner；Tongue tray
Right end portion be arranged to the oblate cylinder being made up of the plane at upper surface, lower surface, front surface, rear surface and two ends；On
Surface is No. 1 arc surface with lower surface, and upper surface is identical with the radius of curvature size of lower surface, the curvature of upper surface and lower surface
The bottom surface of radius and upper compact heap is equal with the radius of curvature of the top end face of lower compact heap；A front surface and a rear surface is No. 2 circular arcs
Face, the radius of curvature of a front surface and a rear surface be outside forward and backward surface between incisal plane distance 1/2nd, the circle of left end portion
Cylinder is connected with the oblate cylinder of right end portion, and the axis of rotation of cylinder is conllinear with the symmetrical center line of oblate cylinder.
A kind of described vibration and sway platform include support platform, 4 structure identical nonlinear elasticity auxiliary vibration devices,
4 structure identical support bases and 3 or 4 structure identical vibrators；
Described 3 or 4 structure identical vibrators are equably vertically disposed at lower section and the base of support platform
Top, the upper and lower end of 3 or 4 structure identical vibrators is connected respectively with support platform by ball pivot with base rotation；
4 described structure identical nonlinear elasticity auxiliary vibration devices are uniformly and symmetrically arranged in support platform
Surrounding, the angle between any 2 adjacent structure identical nonlinear elasticity auxiliary vibration devices is 90 degree, any relative
It is parallel to each other between 2 structure identical nonlinear elasticity auxiliary vibration devices, 4 structure identical nonlinear elasticity auxiliary are shaken
Dynamic device is fixedly connected respectively by tongue tray therein with the side end face of support platform one, nonlinear elasticity auxiliary vibration device
Bottom is arranged on support base by bolt, the bottom of support base and the top bolt connection of base.
Compared with prior art the beneficial effects of the utility model are：
1. nonlinear elasticity auxiliary vibration device simple structure, the reliability in vibration and sway platform described in the utility model
Height, its rigidity can be automatically adjusted, and with the increase of tongue tray amplitude in nonlinear elasticity auxiliary vibration device, its rigidity is reduced.
2. the natural frequency of vibration and sway platform described in the utility model reduces with the increase of amplitude.
3. vibration and sway platform described in the utility model, by adjusting vibration amplitude, can change during frequency vibration is determined
Vibration and sway platform natural frequency so as to consistent with excited frequency, reaches resonance effect.
4. vibration and sway platform described in the utility model is in frequency sweep vibration processes, constant speedpump amplitude and constant acceleration amplitude
During vibration, vibration displacement amplitude can decline with the increase of excited frequency, and now the natural frequency of vibration and sway platform also can be with
The reduction of amplitude and increase, when each design of Structural Parameters is reasonable in nonlinear elasticity auxiliary vibration device, vibration and sway platform
Natural frequency synchronous with the change of excited frequency can change, so as to realize the resonance effect in wide frequency range.
5. nonlinear elasticity auxiliary vibration device described in the utility model is applied in vibration and sway platform, not only can be risen
To resonance effect, input power is reduced, and vibration and sway platform X, Y-direction one-movement-freedom-degree and rotation about the z axis can be limited
Degree of freedom, suppresses horizontal transport motion of the vibration and sway platform in vibration processes, is conducive to vibration control algorithm to realize and control
Precision keeps.
Description of the drawings
This utility model is further described below in conjunction with the accompanying drawings：
Fig. 1 is the vibration and sway platform of the Three Degree Of Freedom containing nonlinear elasticity auxiliary vibration device described in the utility model
The axonometric projection view of structure composition；
Fig. 2 is the front view of the vibration and sway platform containing nonlinear elasticity auxiliary vibration device described in the utility model；
Fig. 3 is the front view of nonlinear elasticity auxiliary vibration device structure composition described in the utility model；
Fig. 4 is that nonlinear elasticity auxiliary vibration device described in the utility model removes structure composition after above two columns
Axonometric projection view；
Fig. 5 is the sectional view in Fig. 3 at A-A；
Fig. 6 is that the axonometric projection of nonlinear elasticity auxiliary vibration device middle frame structure composition described in the utility model is regarded
Figure；
Fig. 7 is that the axle of the right front column structure composition of nonlinear elasticity auxiliary vibration device described in the utility model surveys throwing
Video display figure；
Fig. 8 is that the axle of the upper compact heap structure composition of nonlinear elasticity auxiliary vibration device described in the utility model surveys throwing
Video display figure；
Fig. 9 be upper compact heap shown in Fig. 8 around horizontal axis in paper be rotated by 90 ° after the axonometric projection view that obtains；
Figure 10 is the axle of the bottom right connecting block structure composition of nonlinear elasticity auxiliary vibration device described in the utility model
Survey projection view；
Figure 11 is that the axle of the upper right bar linkage structure composition of nonlinear elasticity auxiliary vibration device described in the utility model is surveyed
Projection view；
Figure 12 is that the axle of the upper left bar linkage structure composition of nonlinear elasticity auxiliary vibration device described in the utility model is surveyed
Projection view；
Figure 13 is that the axle of the tongue tray structure composition of nonlinear elasticity auxiliary vibration device described in the utility model surveys throwing
Video display figure；
Figure 14 is the force analysis figure of nonlinear elasticity auxiliary vibration device described in the utility model；
Figure 15 is the pressure put on tongue tray that vibration and sway platform described in the utility model is obtained through simulation analysis
Tight block thrust with tongue tray displacement variation relation curve；
Figure 16 be vibration and sway platform described in the utility model through simulation analysis obtain to be applied to nonlinear elasticity auxiliary
The rigidity of vibrating device is helped with the variation relation curve of tongue tray displacement；
Figure 17 is that vibration and sway platform described in the utility model is assumed to be applied on nonlinear elasticity auxiliary vibration device
Equivalent mass be 80kg when, vibration and sway platform natural frequency with amplitude change curve；
Figure 18 is vibration and sway platform natural frequency of the vibration and sway platform described in the utility model under different vibrational states
And the relation curve of excited frequency and amplitude；
It is square that Figure 19-1 is the iso-cross-section employed in nonlinear elasticity auxiliary vibration device described in the utility model
The front view of the floor rails structure composition of shape；
It is swallow that Figure 19-2 is the iso-cross-section employed in nonlinear elasticity auxiliary vibration device described in the utility model
The front view of the floor rails structure composition of tail type；
It is circle that Figure 19-3 is the iso-cross-section employed in nonlinear elasticity auxiliary vibration device described in the utility model
The main front view of floor rails structure composition of shape；
In figure：1. support platform, 2. nonlinear elasticity auxiliary vibration device, 3. support base, 4. vibrator, 5. base, 6.
Right front column, 7. framework, 7-1. frame head plates, the right riser of 7-2. frameworks, 7-3. chassis bases, the left riser of 7-4. frameworks, 7-5.
No. 1 base plate projection, No. 2 base plate projections of 7-6., No. 3 base plate projections of 7-7., No. 4 base plate projections of 7-8., 8. bottom right connecting rod, 9.
Bottom right contiguous block, 10. bottom right slide block, 11. floor rails, No. 1 floor rails of 11-1., No. 2 floor rails of 11-2., 11-3.
No. 3 floor rails, 12. times compact heaps, 13. tongue trays, compact heap on 14., 15. lower-left springs, 16. left lower links, 17. upper lefts
Connecting rod, 18. upper right connecting rods, 19. left front columns, 20. left back columns, 21. right rear columns, 22. upper left springs, 23. upper right springs,
24. bottom right springs, 25. top surface guide rails, 26. lower-left slide blocks, 27. lower-left contiguous blocks, 28. upper left slide blocks, 29. upper left contiguous blocks,
30. upper right slide blocks, 31 upper right contiguous blocks, 32. No. 1 bottom right spring bases, 33. No. 2 bottom right spring bases, 34. No. 2 lower-left springs
Seat, 35. No. 1 lower-left spring bases, 36. No. 1 upper left spring bases, 37. No. 2 upper left spring bases, 38. No. 1 upper right spring bases,
39. No. 2 upper right spring bases.
Specific embodiment
This utility model is explained in detail below in conjunction with the accompanying drawings：
Refering to Fig. 1, vibration and sway platform described in the utility model includes 1,4 structure identical nonlinear elasticities of support platform
Property 2,4 structure identical support bases 3 of auxiliary vibration device and 3 structure identical vibrators 4.
Described support platform 1 is octagonal slab construction part, and this structure is conducive to improving the intrinsic of support platform itself
Frequency, 4 side end faces of support platform 1 have been arranged symmetrically four structure identical blind round hole, and two of arbitrary neighborhood are blind
Angle between hole is 90 degree, and four structure identical blind round hole are used to be inserted tongue tray 13, and adopts welding side
Both are linked into an entirety by formula, and several are evenly equipped with the top end face of support platform 1 for fixed by the screwed hole of test specimen；
3 or 4 groups of equally distributed screwed holes are machined with the bottom face of support platform 1, it is used to install vibrator 4.
3 described structure identical vibrators 4 can also be using 4 structure identical vibrators, 4,3 or 4 knots
The structure type of structure identical vibrator 4 is not limited, and can adopt the hydraulic pressure of the double rod oil cylinder structure of hydraulic forms of servo valve control
The Electrodynamic Vibrators of formula vibrator or Serve Motor Control electric cylinder form, they are uniformly distributed in support platform 1
Lower section, 3 either 4 structure identical vibrators 4 upper and lower end by ball pivot or Hooke's hinge respectively with support platform 1
Bottom surface and base 5 rotate connection.
4 described structure identical nonlinear elasticity auxiliary vibration devices 2 are uniformly and symmetrically arranged in support platform 1
Surrounding, the angle between any adjacent 2 structures identical nonlinear elasticity auxiliary vibration device is 90 degree, any relative
It is parallel to each other between 2 structure identical nonlinear elasticity auxiliary vibration devices, 4 structure identical nonlinear elasticity auxiliary are shaken
Dynamic device is connected respectively by tongue tray 13 with the side end face of vibration table stage body 1, and tongue tray 13 is embedding with the connection of support platform 1
Enter and linked together to the inside of support platform 1 and using welding manner, or be bolted on the side end face of vibration table stage body 1
On.The bottom of nonlinear elasticity auxiliary vibration device is arranged on support base 3 by bolt, and support base 3 passes through spiral shell with base 5 again
Tether and connect.
Refering to Fig. 2, to avoid vibration and sway platform support platform 1 and nonlinear elasticity auxiliary vibration device in the course of the work
Interfere between 2, positioned at the left side of the nonlinear elasticity auxiliary vibration device 2 on the right side of support platform 1 and the right-hand member of support platform 1
Distance should be not less than between faceWherein L1Extremely rotate around tongue tray for its right end face of support platform 1 shown in Fig. 2
The distance between center, L2For 1/2nd of distance between the upper and lower end face of support platform 1.Other three structure identicals are non-
Linear elasticity auxiliary vibration device and the spacing and spacing described above of the side end face of support platform 1 for being facedPhase
Together.
Refering to Fig. 3 to Fig. 5, nonlinear elasticity auxiliary vibration device described in the utility model includes framework 7, floor rails
11st, top surface guide rail 25, lower compact heap 12, tongue tray 13, upper compact heap 14, spring, connecting rod, slide block, contiguous block and column.Its
In：
Spring includes lower-left spring 15, upper left spring 22, upper right spring 23, bottom right spring 24；
Connecting rod includes bottom right connecting rod 8, left lower link 16, upper left connecting rod 17 and upper right connecting rod 18；
Slide block includes bottom right slide block 10, lower-left slide block 26, upper left slide block 28 and upper right slide block 30；
Contiguous block includes bottom right contiguous block 9, lower-left contiguous block 27, upper left contiguous block 29 and upper right contiguous block 31；
Column includes right front column 6, left front column 19, left back column 20 and right rear column 21.
Refering to Fig. 3, Figure 19-1 to Figure 19-3, the bottom surface in nonlinear elasticity auxiliary vibration device described in the utility model
Guide rail 11 is identical with the structure of top surface guide rail 25, floor rails 11 and top surface guide rail 25 for iso-cross-section straight-bar class formation part, its
Shape of cross section can be three kinds of version shown in Figure 19-1 to Figure 19-3 floor rails 11 (No. 1 floor rails 11-1,2
Number floor rails 11-2 and No. 3 floor rails 11-3.), the He of floor rails 11 of planform shown in Figure 19-1 to Figure 19-3
The underrun bolt of top surface guide rail 25 is fixedly connected respectively with chassis base 7-3 with frame head plate 7-1.
Refering to Fig. 3, the bottom right slide block 10, lower-left slide block in nonlinear elasticity auxiliary vibration device described in the utility model
26th, upper left slide block 28 is identical with the structure of upper right slide block 30, is cuboid structural member, in bottom right slide block 10, lower-left slide block 26,
The upper left slide block 28 and one end of upper right slide block 30 is axially disposed the cross section being mutually equipped with floor rails 11 and top surface guide rail 25
Shape can be the groove of the approximate rectangular, swallow-tail form shown in Figure 19-1 to Figure 19-3 or circle.
Refering to Fig. 6, the framework 7 in nonlinear elasticity auxiliary vibration device described in the utility model by frame head plate 7-1,
The left riser 7-4 of chassis base 7-3, framework and the right riser 7-2 compositions of framework.Wherein：
The left riser 7-4 of described framework is identical with the right riser 7-2 structures of framework, the plate structure of rectangular cross section such as is all
Part；Frame head plate 7-1 is identical with chassis base 7-3 structures, the plate structure part of rectangular cross section such as is all；Frame head plate 7-1,
Width is equal before and after the left riser 7-4 of chassis base 7-3, framework riser 7-2 right with framework, frame head plate 7-1, chassis base 7-
3rd, the thickness of the left riser 7-4 of framework riser 7-2s right with framework is equal, and square is connected into by bolt or welding manner between them
Shape framework.
The centre position of described chassis base 7-3 inner surfacies is provided with i.e. No. 1 bottom of base plate projection of 2 rows totally four rectangles
Plate projection 7-5, No. 2 base plate projection 7-6, No. 3 base plate 7-7 and No. 4 base plate projection 7-8 of projection, the base plate projection of four rectangles
Shape, size are identical, are separately provided for column in four bottom surface projections and install fixed bolt hole, the bottom of four rectangles
The raised symmetrical centre line of plate be a rectangle, i.e., No. 1 base plate projection 7-5, No. 2 base plate projection 7-6, No. 3 base plate projection 7-7 and
No. 4 base plate projection 7-8 are distributed at the corner of one rectangle in chassis base 7-3 inner surfacies centre position, No. 3 base plate projection 7-7
Coplanar with one (afterwards) of a long end face and chassis base 7-3 long end face of No. 4 base plate projection 7-8, No. 1 base plate is raised 7-5 and No. 2
Another (front) of a long end face and chassis base 7-3 long end face of base plate projection 7-6 is coplanar；The base plate of four rectangles raised (i.e. 1
Number base plate projection 7-5, No. 2 base plate projection 7-6, No. 3 base plate 7-7 and No. 4 base plate projection 7-8 of projection) height be set to 5～
10mm；The base plate of four rectangles raised (i.e. No. 1 base plate projection 7-5, No. 2 base plate projection 7-6,7-7 and No. 4 bottom of No. 3 base plate projections
Plate projection 7-8) on be respectively provided with one group of (4) structure identical bolt hole, each group of bolt hole with set by post end
The one group of screwed hole put is aligned, No. 1 base plate projection 7-5, No. 2 base plates projection 7-6 and No. 3 base plate projection 7-7, No. 4 base plate projections
The screwed hole for installing floor rails 11 is equably disposed with chassis base 7-3 between 7-8.
The position corresponding with chassis base 7-3 of frame head plate 7-1 inner surface is provided with four top board projections, four tops
The raised shape of plate, size are identical with four base plate projections on chassis base 7-3, the position relationship and frame of four top board projections
Four base plates projection correspondent equal on frame base plate 7-3, in four top board projections one group of (4) structure identical is also respectively provided with
Bolt hole, each group of bolt hole is aligned with one group of screwed hole set by post end.
Refering to Fig. 7, the right front column 6, left front column in nonlinear elasticity auxiliary vibration device 2 described in the utility model
19th, left back column 20 is identical with the structure of right rear column 21, is all square prismatic bar class formation part.It is right front column 6, left front
Column 19, left back column 20 and the two ends of right rear column 21 are respectively provided with one group of (4) structure identical tapped blind hole, each group
Tapped blind hole and frame head plate 7-1 one group of screwed hole with base plate projection raised with the top board of chassis base 7-3 are aligned, before the right side
Column 6, left front column 19, left back column 20, right rear column 21 in parallel to each other be arranged on framework 7 in, as lower compact heap 12,
The spacing and guider of upper compact heap 14 and tongue tray 13, it will be through special PROCESS FOR TREATMENT, it is ensured that wearability.
Refering to Fig. 8 to Fig. 9, the upper compact heap 14 in nonlinear elasticity auxiliary vibration device 2 described in the utility model with
The lower structure of compact heap 12 is identical, and lower compact heap 12 and upper compact heap 14 are cuboid hollow structural component, lower compact heap 12 with it is upper
Right angle guide groove is provided with 14 4 jiaos of compact heap, the center on the top of upper compact heap 14 is provided with bottom surface for the face of cylinder
Groove, be provided with cell wall to install before and after groove the upper round tube hole of connection bearing pin go forward round tube hole with it is upper after circle it is logical
Hole, go forward round tube hole and the rotation conllinear of upper rear round tube hole；The bottom surface of upper compact heap 14 is arranged to arc surface, arc surface
Radius of curvature is identical with the radius of curvature size of circular arc camber up and down of tongue tray 13.The center of the bottom of lower compact heap 12 is arranged
There is the groove that bottom surface is the face of cylinder, be provided with the i.e. lower front circle of lower round tube hole for installing connection bearing pin before and after groove on cell wall
Through hole and lower rear round tube hole, the rotation conllinear of lower front round tube hole and lower rear round tube hole；The top end face of lower compact heap 12 is arranged
Into arc surface, the radius of curvature of arc surface is identical with the radius of curvature size of circular arc camber up and down of tongue tray 13.
Refering to Figure 10, the bottom right contiguous block 9, upper right in nonlinear elasticity auxiliary vibration device 2 described in the utility model
Contiguous block 31, lower-left contiguous block 27 are structure identical pros bodily form structural member, bottom right contiguous block 9, the right side with upper left contiguous block 29
The square indentations of both-side opening are provided with upper contiguous block 31, lower-left contiguous block 27 and upper left contiguous block 29, before groove
Be provided with to install the round tube hole of connection bearing pin on cell wall afterwards, four connecting holes be provided with bottom land, to bottom right slide block
10th, upper right slide block 30, lower-left slide block 26 carry out bolt connection with upper left slide block 28, and a company is provided with another cell wall of groove
Hole is connect, to enter with No. 1 upper left spring base 36 with No. 1 lower-left spring base 35 of upper right spring base 38,1 of bottom right spring base 32,1
Row bolt connection.
Refering to Figure 11 and Figure 12, the upper left connecting rod 17 in nonlinear elasticity auxiliary vibration device 2 described in the utility model
With the bar class formation part that upper right connecting rod 18 is rectangular cross section.The two ends of upper right connecting rod 18 are respectively arranged with a round tube hole, two circles
The axis of rotation of through hole is parallel to each other, and the connecting-rod head on the outside of two round tube holes is arranged to the face of cylinder, is easy to be connected with upper compact heap 14
Use；The left end structure of upper left connecting rod 17 is identical with the structure of upper right connecting rod 18, and the right-hand member of upper left connecting rod 17 is arranged to fork configuration,
Two fork walls are parallel to each other, and the distance between two fork walls are equal with the thickness of upper right connecting rod 18, on two fork walls being parallel to each other
A fork wall through hole is respectively provided with, the rotation conllinear of two fork wall through holes, the left end of upper left connecting rod 17 arranges a left through hole,
The axis of rotation of left through hole is parallel with the axis of rotation of two fork wall through holes.One end of upper right connecting rod 18 is put into upper left connecting rod 17 1
Use cooperatively between two fork walls at end, upper left connecting rod 17 can be exchanged with the left and right installation site of upper right connecting rod 18, it is common logical
Cross bearing pin to be connected in the groove of compact heap 14；Left lower link 16 and bottom right connecting rod 8 and upper left connecting rod 17 and upper right connecting rod 18
Structure it is identical, left lower link 16 can be exchanged with the left and right installation site of bottom right connecting rod 8.
Refering to Figure 13, the left end portion of tongue tray 13 in nonlinear elasticity auxiliary vibration device 2 described in the utility model
Cylindrical structure is set to, it is fitted in four end face circular holes of support platform 1, is welded and fixed together with support platform 1.It is right
End sets up that to be set to upper surface and lower surface be No. 1 arc surface separately, No. 1 circular arc curvature radius size phase of upper surface and lower surface
Together, No. 1 circular arc curvature radius and bottom surface and the top end face of lower compact heap 12 of upper compact heap 14 of upper surface and lower surface
Radius of curvature is equal；Front and rear surfaces are No. 2 arc surfaces, the radius of curvature of No. 2 arc surfaces be between the outer incisal plane of front and rear surfaces away from
From 1/2nd, the oblate cylinder that the right end portion of tongue tray 13 is made up of four arcses face.
Described right front column 6, left front column 19, left back column 20 is with right rear column 21 by symmetrically solid before and after bolt
The middle being scheduled between frame head plate 7-1 of framework 7 and chassis base 7-3；Top surface guide rail 25 passes through spiral shell with floor rails 11
Bolt is separately fixed at frame head plate 7-1 of framework 7 and the inner surface centre position of chassis base 7-3, top surface guide rail 25 and bottom surface
Guide rail 11 is located at the frame head plate between right front column 6, left front column 19 and left back column 20, the top of right rear column 21 and bottom
On 7-1 and chassis base 7-3, two structure identical upper left slide blocks 28 and upper right slide block are equably installed on top surface guide rail 25
30, two structure identical slide block bottom right slide blocks 10 and lower-left slide block 26 are equably installed in floor rails 11；Upper left spring
22 left uppers for being horizontally mounted at framework 7, upper left spring 22 1 (left side) end is fixed on No. 2 upper left spring bases 37, No. 2 left sides
Upper spring seat 37 is bolted on the right side of the left riser 7-4 of the framework of framework 7, another (right side) end of upper left spring 22
It is fixed on No. 1 upper left spring base 36, No. 1 upper left spring base 36 is fixedly connected by bolt with the left side of upper left contiguous block 29；
The top end face of upper left contiguous block 29 is fixedly connected by bolt with the bottom surface of upper left slide block 28；The upper left connecting rod of the top of upper compact heap 14
17 is different from each other with the structure of upper right connecting rod 18, upper right connecting rod 18 one (under) end be put into the lower end of upper left connecting rod 17 two fork walls it
Between be engaged, the lower end of upper left connecting rod 17 and upper right connecting rod 18 is in the groove of upper compact heap 14 using a hinge one
Rise, in upper left, connecting rod 17 is connected respectively by small clevis pin with head and upper left contiguous block 29 with the upper end connection hole of upper right connecting rod 18 with upper right
Connect block 31 to be hinged；Tongue tray 13 is arranged between upper compact heap 14 and lower compact heap 12, the bottom right connecting rod 8 of the lower section of lower compact heap 12
It is identical with upper right connecting rod 18 with the upper left connecting rod 17 of the structure of left lower link 16 and connected mode and the top of upper compact heap 14；Lower compression
Block 12 is identical with the structure of upper compact heap 14, is provided with four guide angles at lower compact heap 12 and the corner of upper compact heap 14, four
Guide angle is equipped with respectively with right rear column 21 with right front column 6, left front column 19, left back column 20 and forms sliding pair, pushes
The top end face of tight block 12 is that arc surface is contacted with upper and lower surface i.e. No. 1 arc surface of tongue tray 13 with the bottom surface of upper compact heap 14
Connection；The forward and backward surface of tongue tray 13 is No. 2 arc surfaces, and tongue tray 13 is in the course of the work by lower compact heap 12 and upper pressure
Tight block 14 is abutted against on right front column 6, left front column 19, left back column 20 and the interior heel post face of right rear column 21.
Refering to Fig. 1,4 structure identical support bases 3 in vibration and sway platform described in the utility model it is main by top board,
Base plate, middle riser and reinforcement plate weld composition, the top board of wherein support base 3 is machined with equally distributed through-hole structure, leads to
Cross bolt to be fixedly connected with four structure identical nonlinear elasticity auxiliary vibration devices 2, the base plate of support base 3 is machined with uniformly
The bolt hole of distribution, is fixedly connected by bolt with base 5.
Refering to Fig. 1, the base 5 in vibration and sway platform described in the utility model is steel plate structure or welded-steel plate construction,
Its top surface is threaded hole, and to connect four structure identical support bases 3 and 3/4 vibrator 4, bottom surface is fixed on ground
On.
A kind of operation principle of described vibration and sway platform comprising nonlinear elasticity auxiliary vibration device：
Refering to Fig. 1, three of the bottom of support platform 1 either four vibrators 4 individually or aggregate motion, excitation supports flat
Platform 1 produces corresponding sports, wherein the two structure identical nonlinear elasticity auxiliary vibration devices 2 in left and right, limit the edge of support platform 1
The rotational freedom in the one-movement-freedom-degree of Y direction and about the z axis direction；Former and later two structure identical nonlinear elasticity auxiliary are shaken
Dynamic device 2, limits one-movement-freedom-degree and the about the z axis rotational freedom in direction of the support platform 1 along X-direction；Four structure phases
The same compound action of nonlinear elasticity auxiliary vibration device 2 can limit support platform 1 along X-axis and Y-axis in support platform 1
The rotational freedom in the one-movement-freedom-degree in direction and about the z axis direction, suppresses support platform 1 laterally to involve fortune in vibration processes
It is dynamic, make support platform 1 produce the rotation around X-direction, the rotation around Y direction and the translation along Z-direction.
Refering to Fig. 3 and Fig. 4, support platform 1 during exciting, drive tongue tray 13 move up and down, when tongue tray 13 by
When centre position is moved upwards, it promotes upper compact heap 14 to move straight up, through upper left connecting rod 17 and upper right connecting rod 18 and
Upper left contiguous block 29 is transferred force on upper left spring 22 and upper right spring 23, with the displacement of tongue tray 13 with upper right contiguous block 31
The increase of amount, the power needed for promoting tongue tray 13 to move is presented nonlinear change.When tongue tray 13 is moved downward by centre position
When, it promotes lower compact heap 12 to move straight down, through left lower link 16 and bottom right connecting rod 8 and lower-left contiguous block 27 and bottom right
Contiguous block 9 is transferred force on bottom right spring 24 and lower-left spring 15, with the increase of the displacement of tongue tray 13, promotes tongue tray
Power needed for 13 motions is presented nonlinear change.By designing initial tension of spring Ft0Size, the size of rigidity k, connecting rod
Length L, connecting rod axis and the initial angle theta of horizontal plane0Etc. parameter, the mechanism's nonlinear requirements required for target can be reached.
Theory analysis：
The integral rigidity formula proving process of nonlinear elasticity auxiliary vibration device is as follows.
Refering to Figure 14, original state, initial tension of spring is Ft0,
Tongue tray precompression is F0=tan θ0×Ft0,
Tongue tray 13 is moved up after x distances, and amount of spring compression is y=(cos θx-cosθ0) × L,
Contiguous block bears level to spring thrust Ftx=Ft0+ k × y,
sinθx=sin θ0- x/L,
Tongue tray 13 bears thrust F of 14/ time compact heap of compact heap 12x=tan θx×Ftx
In formula：K is rigidity of helical spring, θ0For original state, connecting rod axis and horizontal plane angle, θxRise x for tongue tray
After distance, connecting rod axis and horizontal plane angle, L is length of connecting rod.
It is various by more than to obtain, FxIt is with the relation of x
Embodiment：
Refering to Figure 15, it is assumed that k=15N/mm, L=300mm, θ0=45 °, Ft0=0N, then obtained by simulation analysis, figure
Shown in put on variation relation curve of the thrust of 14/ time compact heap of upper compact heap 12 on tongue tray 13 with tongue tray displacement.
The rigidity of nonlinear elasticity auxiliary vibration device shown in Figure 16 with tongue tray displacement variation relation curve.
When Figure 17 is that to assume the equipment total quality that is applied on nonlinear elasticity auxiliary vibration device 2 be 80kg, contain
The vibration and sway platform natural frequency of nonlinear elasticity auxiliary vibration device 2 with displacement change curve.As seen from the figure, supporting table is worked as
Body 1 is when big displacement amplitude is vibrated, and vibration and sway platform natural frequency is relatively low, supports stage body 1 when thin tail sheep amplitude is vibrated, and vibrates
Tilter natural frequency is higher.
Vibration and sway platform natural frequency is swept with displacement changing curve, vibration and sway platform constant speedpump (v=0.75m/s) amplitude
Frequency vibration and constant acceleration amplitude (a=9.8m/s2) frequency sweep vibrate when, frequency change carry out with the relation of vibration displacement amplitude it is right
Than obtaining curve as shown in figure 18.Known by the curve, under prescribed conditions, during 0-6Hz frequency range internal vibrations, vibration and sway
Platform can occur different degrees of covibration.
Claims (10)
1. a kind of nonlinear elasticity auxiliary vibration device, it is characterised in that described nonlinear elasticity auxiliary vibration device includes
Framework (7), floor rails (11), top surface guide rail (25), lower compact heap (12), tongue tray (13), upper compact heap (14), spring,
Connecting rod, contiguous block, slide block and column；
Described floor rails (11) are arranged on installed in the middle of the chassis base (7-3) of framework (7), top surface guide rail (25)
The middle of the frame head plate (7-1) of framework (7), slide block is arranged on floor rails (11) and top surface guide rail (25) as the company of slip
Connect, column is vertically mounted between chassis base (7-3) and frame head plate (7-1) and with bolts, lower compact heap
(12), tongue tray (13) is arranged on from the bottom to top to be slidably connected on column, under lower compact heap (12) with upper compact heap (14)
End is hinged by connecting rod with the upper end of upper compact heap (14) with contiguous block, and the side of contiguous block is connected by spring with framework (7),
The bottom surface of contiguous block is fixedly connected with a slide block.
2. according to the nonlinear elasticity auxiliary vibration device described in claim 1, it is characterised in that described upper compact heap (14)
Identical with the structure of lower compact heap (12), lower compact heap (12) and upper compact heap (14) are cuboid hollow structural component, are pushed
Right angle guide groove is provided with tight block (12) and upper compact heap (14) corner, the center on the top of upper compact heap (14) is arranged
There is the groove that bottom surface is the face of cylinder, the upper round tube hole for being provided with to install bearing pin before and after groove on cell wall is gone forward round tube hole
With upper rear round tube hole, go forward round tube hole and the rotation conllinear of upper rear round tube hole；The bottom surface of upper compact heap (14) is arranged to circle
Cambered surface, the radius of curvature of arc surface is identical with the upper and lower circular arc camber radius of curvature size of tongue tray (13).
3. according to the nonlinear elasticity auxiliary vibration device described in claim 1, it is characterised in that described column is vertically pacified
It is mounted between chassis base (7-3) and frame head plate (7-1) and with bolts refers to：
Described column includes right front column (6), left front column (19), left back column (20) and right rear column (21)；
Bottom and chassis base of the described right front column (6), left front column (19), left back column (20) with right rear column (21)
(7-3) No. 1 base plate projection (7-5) on inner surface, No. 2 base plate projections (7-6), No. 3 base plate projections (7-7) are convex with No. 4 base plates
Play (7-8) and align contact successively, and fixed using bolt；Right front column (6), left front column (19), left back column (20) and the right side
The top surface projection of four rectangles on the top and frame head plate (7-1) of rear column (21) aligns successively contact, and adopts bolt
Fixed, right front column (6), left front column (19), left back column (20) and right rear column (21) are parallel to each other, and perpendicular to framework
Base plate (7-3) and frame head plate (7-1).
4. according to the nonlinear elasticity auxiliary vibration device described in claim 1, it is characterised in that described lower compact heap (12)
Lower end be hinged with contiguous block by connecting rod with the upper end of upper compact heap (14) and refer to：
Described connecting rod includes bottom right connecting rod (8), left lower link (16), upper left connecting rod (17) and upper right connecting rod (18)；
Described contiguous block includes bottom right contiguous block (9), lower-left contiguous block (27), upper left contiguous block (29) and upper right contiguous block
(31)；
The lower end of described lower compact heap (12) and bottom right connecting rod (8), left lower link (16) upper end are hinged, bottom right connecting rod (8)
Lower end is hinged with bottom right contiguous block (9), and lower end and the lower-left contiguous block (27) of left lower link (16) are hinged；Upper compact heap (14)
Upper end and upper left connecting rod (17), the lower end of upper right connecting rod (18) are hinged, upper end and the upper left contiguous block (29) of upper left connecting rod (17)
It is hinged, upper end and the upper right contiguous block (31) of upper right connecting rod (18) are hinged.
5. according to the nonlinear elasticity auxiliary vibration device described in claim 4, it is characterised in that described bottom right contiguous block
(9), upper right contiguous block (31), lower-left contiguous block (27) and upper left contiguous block (29) are structure identical pros bodily form structural member,
Both-side opening is provided with bottom right contiguous block (9), upper right contiguous block (31), lower-left contiguous block (27) and upper left contiguous block (29)
Square indentations, are provided with the round tube hole for installing connection bearing pin before and after groove on cell wall, equably arrange on bottom land
There are four connecting holes, for carrying out spiral shell with bottom right slide block (10), upper right slide block (30), lower-left slide block (26) and upper left slide block (28)
Tether and connect, a connecting hole is provided with another cell wall of groove, to No. 1 bottom right spring base (32), No. 1 upper right spring base
(38), No. 1 lower-left spring base (35) carries out bolt connection with No. 1 upper left spring base (36).
6. according to the nonlinear elasticity auxiliary vibration device described in claim 1, it is characterised in that the side of described contiguous block
It is connected with framework (7) by spring, the bottom surface of contiguous block is fixedly connected with a slide block and refers to：
Described contiguous block includes bottom right contiguous block (9), lower-left contiguous block (27), upper left contiguous block (29) and upper right contiguous block
(31)；
Described spring includes lower-left spring (15), upper left spring (22), upper right spring (23) and bottom right spring (24)；
The right-hand member of described bottom right contiguous block (9) is connected by No. 1 bottom right spring base (32) with the left end of bottom right spring (24), right
The right-hand member of lower spring (24) is connected by No. 2 bottom right spring bases (33) with the lower end of the right riser of the framework (7-2) of framework (7), right
The bottom face of lower connecting block (9) is fixedly connected with bottom right slide block (10) top end face in slide block；The left end of lower-left contiguous block (27)
It is connected with the right-hand member of lower-left spring (15) by No. 1 lower-left spring base (35), the left end of lower-left spring (15) passes through No. 2 lower-left bullets
Spring abutment (34) is connected with the lower end of the left riser of the framework (7-4) of framework (7), bottom face and the lower-left slide block of lower-left contiguous block (27)
(26) top end face is fixedly connected；The right-hand member of upper right contiguous block (31) is by No. 1 upper right spring base (38) and upper right spring (23)
Left end connects, and the right-hand member of upper right spring (23) is by No. 2 upper right spring bases (39) and the right riser of the framework (7-2) of framework (7)
Upper end connects, and the top end face of upper right contiguous block (31) is fixedly connected with the bottom face of upper right slide block (30)；Upper left contiguous block (29)
Left end be connected with the right-hand member of upper left spring (22) by No. 1 upper left spring base (36), the left end of upper left spring (22) passes through No. 2
Upper left spring base (37) is connected with the upper end of the left riser of the framework (7-4) of framework (7), top end face and the left side of upper left contiguous block (29)
The bottom face of top shoe (28) is fixedly connected.
7. according to the nonlinear elasticity auxiliary vibration device described in claim 1, it is characterised in that described framework (7) is also wrapped
Include the left riser of framework (7-4) and the right riser of framework (7-2)；Wherein：The left riser of framework (7-4) and framework right riser (7-2) structure
Identical, frame head plate (7-1) is identical with chassis base (7-3) structure, the plate structure part of rectangular cross section such as is all；Framework top
Plate (7-1), chassis base (7-3), the left riser of framework (7-4) are equal with width before and after the right riser of framework (7-2), frame head plate
(7-1), chassis base (7-3), the left riser of framework (7-4) are equal with the thickness of the right riser of framework (7-2), and spiral shell is passed through between them
Tether and connect or be welded into rectangular frame.
8. according to the nonlinear elasticity auxiliary vibration device described in claim 1 or 7, it is characterised in that described chassis base
(7-3) centre position of inner surface be equably provided with 2 rows the raised i.e. No. 1 base plate projection (7-5) of base plate of totally four rectangles, 2
Number base plate projection (7-6), No. 3 base plate projections (7-7) and No. 4 base plate projections (7-8), four base plates raised shape, size phase
Together, column is separately provided in four base plates projection fixed bolt hole is installed, raised right of the base plate of four rectangles
Claim the line of centres be a rectangle, i.e., No. 1 base plate projection (7-5), No. 2 base plate projections (7-6), No. 3 base plate projections (7-7) with No. 4
Base plate projection (7-8) is distributed at the corner of one rectangle in chassis base (7-3) inner surface centre position, No. 3 base plate projection (7-
7) it is coplanar with a long end face of No. 4 base plate projections (7-8) and a long end face of chassis base (7-3), No. 1 base plate projection (7-5)
It is coplanar with a long end face of No. 2 base plate projections (7-6) and another long end face of chassis base (7-3)；The base plate of four rectangles is convex
The height for rising is set to 5～10mm；One group of structure identical bolt hole is respectively provided with the base plate projection of four rectangles, it is each
Group bolt hole is aligned with one group of screwed hole set by post end, No. 1 base plate projection (7-5), No. 2 base plate projections (7-6)
And be equably disposed with the chassis base (7-3) between No. 3 base plate projections (7-7), No. 4 base plate projections (7-8) installation bottom surface
The screwed hole of guide rail (11).
9. according to the nonlinear elasticity auxiliary vibration device described in claim 1, it is characterised in that described tongue tray (13)
Left end portion is set to cylindrical structure part, and cylindrical structure part is fitted in the circular hole on the end face of support platform (1), and adopts
Cylindrical structure part is connected with support platform (1) with welding manner；The right end portion of tongue tray (13) is arranged to by upper table
The oblate cylinder that the plane at face, lower surface, front surface, rear surface and two ends is constituted；Upper surface is No. 1 circular arc with lower surface
Face, upper surface is identical with the radius of curvature size of lower surface, the radius of curvature and upper compact heap (14) of upper surface and lower surface
Bottom surface is equal with the radius of curvature of the top end face of lower compact heap (12)；A front surface and a rear surface be No. 2 arc surfaces, front surface with it is rear
The radius of curvature on surface be outside forward and backward surface between incisal plane distance 1/2nd, the cylinder of left end portion and right part
The oblate cylinder for dividing is connected, and the axis of rotation of cylinder is conllinear with the symmetrical center line of oblate cylinder.
10. a kind of vibration and sway platform, it is characterised in that a kind of described vibration and sway platform includes support platform (1), 4 structures
Identical nonlinear elasticity auxiliary vibration device (2), 4 structures identical support base (3) and 3 or 4 structure identicals swash
Shake device (4)；
Described 3 or 4 structures identical vibrator (4) are equably vertically disposed at the lower section and bottom of support platform (1)
The top of seat (5), the upper and lower end of 3 or 4 structures identical vibrator (4) by ball pivot respectively with support platform (1) and bottom
Seat (5) rotates connection；
4 described structures identical nonlinear elasticity auxiliary vibration device (2) are uniformly and symmetrically arranged in support platform (1)
Surrounding, the angle between any 2 adjacent structures identical nonlinear elasticity auxiliary vibration device (2) is 90 degree, any
It is parallel to each other between 2 relative structures identical nonlinear elasticity auxiliary vibration device (2), 4 structure identicals are non-linear
Elastic auxiliary vibration device (2) is fixedly connected respectively by tongue tray therein (13) with the side end face of support platform (1), non-thread
Property elastic auxiliary vibration device (2) bottom be arranged on support base (3) by bolt, bottom and the base (5) of support base (3)
Top bolt connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620924540.3U CN206114238U (en) | 2016-08-23 | 2016-08-23 | Supplementary vibrating device of nonlinear elasticity and vibration tilter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620924540.3U CN206114238U (en) | 2016-08-23 | 2016-08-23 | Supplementary vibrating device of nonlinear elasticity and vibration tilter |
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| Publication Number | Publication Date |
|---|---|
| CN206114238U true CN206114238U (en) | 2017-04-19 |
Family
ID=58512959
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620924540.3U Withdrawn - After Issue CN206114238U (en) | 2016-08-23 | 2016-08-23 | Supplementary vibrating device of nonlinear elasticity and vibration tilter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168528A (en) * | 2016-08-23 | 2016-11-30 | 吉林大学 | Nonlinear elasticity auxiliary vibration device and vibration and sway platform |
| CN110102949A (en) * | 2019-06-18 | 2019-08-09 | 杭州东盛五金电器有限公司 | A kind of welding bench |
-
2016
- 2016-08-23 CN CN201620924540.3U patent/CN206114238U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168528A (en) * | 2016-08-23 | 2016-11-30 | 吉林大学 | Nonlinear elasticity auxiliary vibration device and vibration and sway platform |
| CN110102949A (en) * | 2019-06-18 | 2019-08-09 | 杭州东盛五金电器有限公司 | A kind of welding bench |
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