CN205975231U - Built -in isolation mounting with harmonious damping function of quality - Google Patents
Built -in isolation mounting with harmonious damping function of quality Download PDFInfo
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- CN205975231U CN205975231U CN201620915102.0U CN201620915102U CN205975231U CN 205975231 U CN205975231 U CN 205975231U CN 201620915102 U CN201620915102 U CN 201620915102U CN 205975231 U CN205975231 U CN 205975231U
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Abstract
The utility model relates to a built -in isolation mounting with harmonious damping function of quality belongs to vibration and noise control technique field. It has solved influencing greatly and security subalternation problem the floating plate plate body that prior art exists. The utility model discloses a connection sleeve, height -regulating device and isolator are equipped with the supporting cavity and install the passageway in the connection sleeve, be equipped with the supporting dog on the connection sleeve in the supporting cavity, and the isolator is located supporting dog below and passes through the height -regulating device and support at the supporting dog, sets up at least one quality tuner in the installation passageway, the quality tuner includes quality piece, elastic element and damping element. The utility model discloses on the basis that does not influence original vibration isolation performance, can realize controlling the technological effect that floating plate specific frequency vibrates to it does not have an influence to the floating plate plate body basically, safe and reliable more, economic nature and practicality are all better, can the wide application in track traffic floating plate railway roadbed vibration isolation engineering.
Description
Technical field
This utility model belongs to vibration and field of noise control, and more particularly, to one kind is built in track floating plate, is used for
Mitigate the vibration sending in rail vehicle running and noise is brought dysgenic built-in vibration-isolating device.
Background technology
With social development and scientific and technological progress, the development of urban track traffic, city rail are increasingly paid attention in each big and medium-sized cities
Road is built, and particularly metro construction also launches in succession.In order to reduce the interference to rail superior portion or surrounding properties and resident,
In special sector, the important vibration isolation measure that floating plate railway roadbed is in Metro Design is set.
Floating plate rail structure has preferable anti-vibration performance to its natural frequency with super band, but floating plate is one
Elastic plate body, it has multiple natural frequencies, and when the frequency of excitation and the natural frequency of floating plate structure are close, floating plate shakes
Move and even can be exaggerated, drum, comfortableness during impact rail vehicle operation.Find through testing research, this vibration
Frequency occurs mainly in 50-150Hz frequency range, and we are also referred to as " buzz " frequency range.Because floating plate is in elastic bearing shape
State, is solved the above problems using the method increasing the floating plate rigidity of structure and there is limitation, therefore, has technical staff to propose profit
Control the technical scheme of floating plate low-frequency vibration with mass tuning damper.Number of patent application is 201410717694.0 China
Patent discloses such a urban track traffic shock and vibration absorption type floating plate track system, and it passes through to set up quality on floating plate
Tuning elastic damping vibration insulating system shock-absorbing means, improves floating plate structure subtracting in " buzz " frequency range using shock-absorbing means
Shake effect, suppress its near floating plate natural frequency will the adverse effect amplified of vibration, reduce and neighboring buildings structure brought
Vibration and quadratic noise interference.But, this technical scheme is when arranging shock-absorbing means, or is directly placed in floating plate table
Face, or on floating plate, setting groove is used for setting.When being directly placed in floating plate surface, not only can be subject to track clearance
Impact, and potential safety hazard is easily formed to evacuating personnel when Daily Round Check and contingency；Floating plate utilize recessed
Groove carries out during stealthy setting the safety problem although solving in routine use, but the difficulty of floating plate processing dramatically increases, right
The intensity of the cloth muscle of floating plate or even local plate body all can adversely affect.
In sum, market an urgent demand is a kind of little on the impact of floating plate plate body and the more preferable floating plate of safety is specific
Vibration control technology and product.
Utility model content
The purpose of this utility model is to solve the above problems, and provides a kind of vibration isolating effect more preferably, to floating plate plate body shadow
Sound is little, more safe and reliable, and can control simultaneously floating plate characteristic frequency vibration with mass tuning vibration-damping function
Built-in vibration-isolating device.
The built-in vibration-isolating device that this utility model carries mass tuning vibration-damping function is achieved in that including coupling sleeve
Cylinder, height-regulating device and vibration isolator, are provided with supporting chamber and installation passage, the joint sheeve in supporting chamber set in joint sheeve
There is support stop, vibration isolator is located at below support stop and is supported on support stop by height-regulating device, and installation passage is located at
Support the side of chamber and communicate with each other with supporting chamber, the top of installation passage is provided with construction opening, the inside of installation passage
The size and shape of space and construction opening can accommodate vibration isolator and height-regulating device passes through, and arranges end cap at construction opening,
At least one mass tuning device is set in installation passage, and described mass tuning device includes mass, flexible member and damping
Element.
Height-regulating device described in this utility model includes heightening pad or screw thread heightens multiple concrete form such as part.Additionally,
The concrete structure of described mass tuning device can be varied, for example, in described mass tuning device, flexible member is stretching
Spring, the upper end of extension spring is connected with the top of joint sheeve, and lower end is connected with mass, and damping element is located under mass
One end of side and damping element is connected with mass；Or, the flexible member in described mass tuning device is compression spring,
Compression spring and damping element are arranged between mass and the base plate of joint sheeve, and it is right to be fixedly installed on the base plate of joint sheeve
Middle limited block, compression spring is set on centering limited block or is embedded in centering limited block；3rd, described mass tuning dress
Put and also include substrate, compression spring and damping element are arranged between mass and substrate, and substrate is fixed on the bottom of joint sheeve
On plate.As a kind of special case, described mass tuning device also includes connecting plate, and mass is arranged between connecting plate and substrate,
It is respectively provided with flexible member, damping element is arranged on mass and base between mass and substrate and between mass and connecting plate
Between plate or/and between mass and connecting plate, between connecting plate and substrate, pre-pressing structure is set, pre-pressing structure is to flexible member
Apply pretightning force, compression elastic element, until flexible member end is fully contacted with adjacent mass, substrate or connecting plate, enters
Enter the linear change stage that the external force that flexible member bears is directly proportional to the compression displacement of flexible member, described pre-pressing structure includes
Pretension connecting rod, pretension hook, pretension chain and pre- locking bracket；4th, support is fixedly installed inside joint sheeve, mass tuning fills
Flexible member in putting is made up of at least elastic rod, and the two ends of elastic rod are bearing on support respectively, and mass fixation sets
Put on elastic rod, damping element is set directly at elastic rod surface or damping element is connected with mass, and elastic rod
When quantity is two or more than two, described elastic rod relative mass block is symmetrical arranged.By the use of elastic rod as flexible member
Technical scheme in, in order to realize accurate frequency modulation, in mass tuning device, frequency regulation arrangement can also be included, described frequency is adjusted
The structure of regulating device can be varied, and for example, the frequency that frequency regulation arrangement includes being arranged in pairs adjusts axle sleeve, described frequency
The both sides that adjustment axis are enclosed within mass are symmetrical arranged, and frequency regulation axle sleeve is sheathed and is fixed on elastic rod；Or, elastic rod sets
Put two, described frequency regulation arrangement includes two crossbeams, two elastic rods are separately positioned on the two ends of crossbeam, and mass is fixed
Be arranged on crossbeam, be connected by securing member between mass and crossbeam, on crossbeam along elastic rod axially arranged strip hole with
Appended claims；Again or, described frequency regulation arrangement includes the screw-type frequency that is arranged in pairs and adjusts axle sleeve, described screw-type
Frequency is adjusted axle sleeve and is symmetrically disposed in the both sides of mass and is connected by helicitic texture with mass, and screw-type frequency is adjusted
Axle sleeve is set on elastic rod.
Damping element described in this utility model, including hole throttle type antivibrator, viscous shearing-type damping device, friction
The antivibrator of the various ways such as formula antivibrator, electric vortex type antivibrator, as long as enough damping energy dissipations can be provided to act on, all may be used
To be applied in this utility model.Described elastic rod is that metal material, carbon fibre material, engineering plastics or glass-reinforced plastic material are contour
Rod or pipe that strong material is made.
The built-in vibration-isolating device that this utility model carries mass tuning vibration-damping function passes through to arrange matter in installation passage
Amount tuner, makes full use of the intrinsic space in floating plate, realizes, in the case of not changing floating plate plate body structure, utilizing
Mass tuning device gives targetedly effective control to characteristic frequency vibration on floating plate, and it is little on the impact of floating plate plate body,
More safe and reliable.Particularly, different according to the natural frequency of adopted mass tuning device, this technical scheme can be used
In improving the vibration isolating effect in buzz frequency range for the floating plate structure, it is suppressed to amplify not vibration near floating plate natural frequency
Profit impact；Can be used for improving the vibration isolating effect in other frequency ranges for the floating plate structure；Certainly, if same in floating plate structure
When arrangement control different frequency range mass tuning device, can also realize improving the vibration isolation in different frequency range for the floating plate structure simultaneously
Effect.
In sum, this utility model carry mass tuning vibration-damping function built-in vibration-isolating device do not affect original every
On the basis of performance of shaking, it is capable of controlling the technique effect of floating plate characteristic frequency vibration, and it is to floating plate plate body base
This no affects, more safe and reliable, economy and practicality all more preferably, can be widely applied to orbit traffic floating board railway roadbed every
Shake in engineering.
Brief description
Fig. 1 carries one of structural representation of built-in vibration-isolating device of mass tuning vibration-damping function for this utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structural representation heightening pad in Fig. 1.
Fig. 4 is the application schematic diagram of the built-in vibration-isolating device shown in Fig. 1 with mass tuning vibration-damping function.
Fig. 5 carries the two of the structural representation of built-in vibration-isolating device of mass tuning vibration-damping function for this utility model.
Fig. 6 is the top view of Fig. 5.
Fig. 7 carries the three of the structural representation of built-in vibration-isolating device of mass tuning vibration-damping function for this utility model.
Fig. 8 carries the four of the structural representation of built-in vibration-isolating device of mass tuning vibration-damping function for this utility model.
Fig. 9 is the C-C of Fig. 8 to sectional view.
Figure 10 carries the five of the structural representation of built-in vibration-isolating device of mass tuning vibration-damping function for this utility model.
Figure 11 is the D-D of Figure 10 to sectional view.
Figure 12 carries the six of the structural representation of built-in vibration-isolating device of mass tuning vibration-damping function for this utility model.
Figure 13 carries the seven of the structural representation of built-in vibration-isolating device of mass tuning vibration-damping function for this utility model.
Figure 14 carries the eight of the structural representation of built-in vibration-isolating device of mass tuning vibration-damping function for this utility model.
Figure 15 carries the nine of the structural representation of built-in vibration-isolating device of mass tuning vibration-damping function for this utility model.
Figure 16 is the E-E of Figure 15 to sectional view.
Specific embodiment
Embodiment one
This utility model carries the built-in vibration-isolating device of mass tuning vibration-damping function as shown in Figure 1 and Figure 2, including connection
Sleeve 1, height-regulating device and vibration isolator 3, pad 2 specially heightened by height-regulating device, is provided with supporting chamber A and peace in joint sheeve 1
Dress passage B, the joint sheeve top board of supporting chamber roof constitutes described support stop 4, and vibration isolator 3 is located at below support stop 4
And be supported on support stop 4 by heightening pad 2, installation passage B be located at supporting chamber A side and with supporting chamber A that
This connection, the top of installation passage B is provided with construction opening 6, the size of the inner space of installation passage B and construction opening 6 and
Shape can accommodate vibration isolator 3 and heighten pad 2 and pass through；Heighten pad 2 and be provided with the gap 12 coordinating with jack, its tool is originally
Shape is as shown in Figure 3；One mass tuning device of setting in end cap 5, installation passage B is set at construction opening 6, and described quality is adjusted
Humorous device includes mass 7, flexible member 8 and damping element 9, and its elastic element 8 is extension spring, the upper end of extension spring
It is connected with the top of joint sheeve 1, lower end is connected with mass 7, damping element 9 is located at below mass and damping element 9
One end be connected with mass 7, on the base plate 10 of the other end of damping element 9 and joint sheeve 1, damping element 9 is specially little
Hole throttle type antivibrator, additionally, described mass 7 is formed by stacking by multiple protonatomic mass blocks and is fixed into one by screw rod 11
Body.
When application this utility model carries the built-in vibration-isolating device of mass tuning vibration-damping function, as shown in figure 4, will connect
Sleeve 1 pours integral in advance with floating plate 16, by vibration isolator 3 and is heightened pad 2 and puts into by construction opening 6 when jacking is installed
In joint sheeve 1, and it is placed in the specified location in supporting chamber A through installation passage B, (in figure does not have to recycle jack
Body illustrates) complete jacking leveling, then by construction opening 6, damping element 9, mass 7 and flexible member 8 are sequentially loaded into simultaneously
It is linked and packed and is assembled into described mass tuning device together, put and fix end cap 5, complete floating according to the method described above
In plate 16, all this utility model carry the jacking leveling of the built-in vibration-isolating device of mass tuning vibration-damping function, are achieved that floating
Put the jacking leveling of plate 16.
The built-in vibration-isolating device that this utility model carries mass tuning vibration-damping function passes through to arrange matter in installation passage
Amount tuner, makes full use of the intrinsic space in floating plate, realizes not weakening reinforcing bar, not changing floating plate plate body structure
In the case of, absorb (and the phase identical with mass tuning device natural frequency of floating plate body in work process using mass tuning device
Vibrational energy closely), realizes giving targetedly effective control to characteristic frequency vibration on floating plate, it is to floating plate plate body shadow
Sound is little, more safe and reliable.Particularly, different according to the natural frequency of adopted mass tuning device, this technical scheme is
Can be used for improving floating plate structure in the vibration isolating effect of buzz frequency range, suppress it to put vibration near floating plate natural frequency
Big adverse effect；Can be used for improving the vibration isolating effect in other frequency ranges for the floating plate structure；Certainly, if floating hardened
In structure, arrangement controls the mass tuning device of different frequency range simultaneously, can also realize improving floating plate structure in different frequency range simultaneously
Vibration isolating effect.
In sum, this utility model carry mass tuning vibration-damping function built-in vibration-isolating device do not affect original every
On the basis of performance of shaking, it is capable of controlling the technique effect of floating plate characteristic frequency vibration, and it is to floating plate plate body base
This no affects, more safe and reliable, economy and practicality all more preferably, can be widely applied to orbit traffic floating board railway roadbed every
Shake in engineering.
Certainly, in this example, for the consideration being readily transported, assembling and adjust performance parameter, mass 7 adopts many sub- matter
The technical scheme that gauge block is formed by stacking and is solidly fixed by screw rod 11, based on the know-why of this example, mass 7 also may be used
To adopt monolithic construction；Additionally, the damping element described in this utility model is except the hole throttle type antivibrator mentioned,
Can also be the antivibrator of the various ways such as viscous shearing-type damping device, friction damper, electric vortex type antivibrator, as long as energy
Enough provide enough damping energy dissipations to act on, can be applied in this utility model.These technical schemes are all based on this practicality
The simple change of new technique principle, all among the protection domain that this utility model requires.
Embodiment two
This utility model carries the built-in vibration-isolating device of mass tuning vibration-damping function as shown in Figure 5 and Figure 6, with embodiment
One difference is, the side wall of the joint sheeve 1 in supporting chamber A is provided with support stop 4, and the middle part of support stop 4 is provided with
Jacking through hole 17；Additionally, mass tuning device also includes substrate 18, the flexible member 8 in mass tuning device is compression spring,
Described compression spring is specially helical steel springs, and helical steel springs and damping element 9 are arranged between mass 7 and substrate 11,
Damping element 9 is specially viscous shearing-type damping device, and wherein compression spring is immersed in composition kinetoplast in viscous daming material；Substrate
11 are fixed on the base plate 10 of joint sheeve 1 by securing member 19.
Compared with embodiment one, the support stop in embodiment one also acts the effect of jacking block simultaneously, and this example
In the described built-in vibration-isolating device with mass tuning vibration-damping function, support stop 4 is only used as support stop use, and jacking keeps off
The function of block to be realized by the top board of joint sheeve, and such structure can avoid, when the height of joint sheeve is higher, needing
Also larger caused material usage amount increases and the problems such as system stability reduces to heighten the gross thickness of pad.Carry described in this example
There is the application mode of built-in vibration-isolating device of mass tuning vibration-damping function essentially identical with the description in embodiment one, difference
Place is, first loads substrate 18 and damping element 9 and fixing, then be sequentially loaded into flexible member 8 during assembling quality tuner
With mass 7.It is of course also possible to the handling be fixed on installation passage together after outside assembles by mass tuning device
In B.Compared with embodiment one by the use of extension spring as flexible member, higher system can be realized using compression spring solid
There is frequency.
Based on the know-why of this example, this utility model carries in the built-in vibration-isolating device of mass tuning vibration-damping function,
Described mass tuning device can also be using structure as shown in Figure 7, and its elastic element 8 is compression spring, compression spring and
Damping element 9 is arranged between mass 7 and the base plate 10 of joint sheeve 1, centering is fixedly installed on the base plate 10 of joint sheeve
Limited block 19, compression spring is set on centering limited block 19, and damping element 9 is hole throttle type antivibrator, also enables phase
Same technique effect, all among the protection domain that this utility model requires.
Embodiment three
This utility model carries the built-in vibration-isolating device of mass tuning vibration-damping function as shown in Figure 8 and Figure 9, with embodiment
Two difference is, support stop 4 is made up of three pieces of sub- support stops, leaves for jacking in the middle of described three pieces of sub- support stops
Through hole；Additionally, also including support 20 in described mass tuning device, support 20 is fixed on joint sheeve 1 by securing member 19
Base plate 10 on, flexible member 8 in mass tuning device is four elastic rods, and elastic rod is specially metal screw, elastic rod
Two ends be fixed on support 20 by locking nut 21, the both sides of mass 7 are fixedly installed otic placode 22 respectively, and elastic rod runs through
Otic placode 22 is arranged, and corresponding otic placode 22 both sides of elastic rod are respectively provided with locking nut 21 makes mass 7 be fixedly installed on elastic rod,
Four elastic rod relative mass blocks are symmetrical arranged；Damping element 9 be arranged on mass 7 lower section and one end of damping element 9 with
Mass 7 is connected, and the other end of damping element 9 is fixedly installed on support 20, and wherein damping element 9 specially viscous is shearing
Antivibrator.
The application mode of built-in vibration-isolating device carrying mass tuning vibration-damping function described in this example is basic with embodiment two
Identical, here is not repeated.Flexible member compared with embodiment two, in technical scheme described in this example, in mass tuning device
Employ metal screw, selection range is wider, be suitable to control frequency more than 15Hz dither, including 50-150Hz drone
Ring frequency range, therefore, such technical scheme is particularly suitable for controlling the buzz frequency range vibration of floating plate, in addition, its structure is compacter,
Take up room also less.Based on the know-why of this example, in this utility model, elastic rod can be metal material, carbon fiber material
Rod or pipe that the Materials with High Strength such as material, engineering plastics or glass-reinforced plastic material is made, selection range is wider, its opposed helical steel spring and
Speech, processing cost is lower, and product cost is also lower, and its product cost typically can reduce by more than 30%, for some large-scale products
Product even can reduce by more than 80% product cost, and cost performance is very superior.
It is pointed out that in such tuning quality device, changing the moving fulcrum of elastic rod and the spacing of fixed pivot,
I.e. elastic rod provides effective active length of elasticity it is possible to change the bending stiffness of elastic rod, and then it is solid to realize change system
There is frequency, using this know-why it is possible to realize the accurate frequency modulation of product, very convenient.
Example IV
This utility model carries the built-in vibration-isolating device of mass tuning vibration-damping function as shown in Figure 10 and Figure 11, with enforcement
Example three is compared, and is additionally arranged dividing plate 25, dividing plate 25 is fixedly connected on the top of joint sheeve 1 between supporting chamber A and installation passage B
Portion, additionally, being additionally provided with sub- support stop 24 on dividing plate, sub- support stop 24 is same elastic by vibration isolator 3 also by heightening pad 2
Support；In installation passage B, two mass tuning devices are set, wherein, a mass tuning device includes two supports 20, support
20 correspondences are welded on the medial wall of joint sheeve 1, and flexible member includes an elastic rod 8, and locking is passed through at the two ends of elastic rod
Nut 21 is fixed on support 20, and the top of mass 27 is fixedly installed two otic placodes 22, and elastic rod 8 runs through otic placode 22 and arranges,
Corresponding otic placode 22 both sides of elastic rod are respectively provided with locking nut 21 makes mass 27 be fixedly installed on elastic rod, damping element 9
It is arranged on mass 27 lower section and one end of damping element 9 is connected with mass 27, the other end of damping element 9 is fixedly installed
On the base plate 10 of joint sheeve 1, wherein damping element 9 is specially hole throttle type antivibrator in addition；Another mass tuning
Device includes four supports 20, and support 20 correspondence is welded on the medial wall of joint sheeve 1, and flexible member includes two elastic rods
8, two elastic rod 8 relative mass blocks are arranged symmetrically, and the two ends of elastic rod are fixed on support 20 by locking nut 21, quality
The top of block 26 is fixedly installed four otic placodes 22, and every elastic rod 8 correspondence runs through two otic placodes 22 and arranges, and elastic rod corresponds to otic placode
22 both sides are respectively provided with locking nut 21 makes mass 26 be fixedly installed on elastic rod, and damping element 9 is arranged on mass 26
Lower section and one end of damping element 9 be connected with mass 26, the other end of damping element 9 is fixedly installed on joint sheeve 1
On base plate 10, wherein damping element 9 is specially hole throttle type antivibrator in addition.
In this example, an elastic rod is centered with a mass tuning dress, another mass tuning dress centers two
Illustrate as a example elastic rod, based on the know-why of this example, being actually needed according to engineering, mass tuning of the present utility model
Three, four even more many elastic rods can also be set in device, and here is only described with word, and no longer accompanying drawing is said one by one
Bright, all among the protection domain that this utility model requires.It is pointed out that when elastic rod quantity is two or more than two
When, described elastic rod relative mass block is symmetrical arranged.
Compared with embodiment three, this utility model described in this example carries the built-in vibration-isolating device of mass tuning vibration-damping function
Due to being provided with two mass tuning devices, it can apply to control two different frequency vibrations of floating plate, is conducive to carrying
High damping efficiency.Especially it is noted that based on the know-why described in this example, this utility model carries mass tuning vibration damping work(
In the built-in vibration-isolating device of energy, two, three even more mass tuning devices can be set, all will in this utility model
Among the protection domain asked.
Embodiment five
This utility model carries the built-in vibration-isolating device of mass tuning vibration-damping function as shown in figure 12, with embodiment two
Difference is, height-regulating device is specially screw thread and heightens part 40, and screw thread heightens the screwed hole being correspondingly arranged on part 40 and support stop 4
The realization that matches is heightened；Additionally, mass tuning device elastic element 8 adopts compression spring, specially elastic rubber material system
The block rubber becoming, mass tuning device also includes connecting plate 30, and mass 7 is arranged between connecting plate 30 and substrate 18, quality
It is respectively provided with flexible member 8, damping element 9 is arranged on mass between block 7 and substrate 18 and between mass 7 and connecting plate 30
Between 7 and substrate 18, damping element 9 is specially hole throttle type antivibrator, arranges pre- tight knot between connecting plate 30 and substrate 18
Structure, pre-pressing structure applies pretightning force to flexible member 8, compression elastic element until flexible member end and adjacent mass 7,
Substrate 18 or connecting plate 30 are fully contacted, the line that the external force that entrance flexible member bears is directly proportional to the compression displacement of flexible member
Property changes phase, here, described pre-pressing structure be pretension connecting rod 31.
Compared with embodiment two, in technical scheme described in this example, it is additionally arranged pre-pressing structure due in mass tuning device, can
The linear change that the external force born with realizing flexible member is directly proportional to the compression displacement of flexible member, the therefore intrinsic frequency of system
Rate is more accurate, can remain normal operating conditions, can effectively overcome the impact to product damping property such as mismachining tolerance.
Only to illustrate as a example setting hole throttle type antivibrator between mass and substrate in this example, practical application
In damping element can also be arranged between mass and connecting plate, or mass and company between mass and substrate
Damping element is set between fishplate bar simultaneously；It is important to note that in technical scheme described in this example, because flexible member adopts
The compression spring of block rubber form, if adopting high-damping rubber material, block rubber itself damping can meet use requirement
When it is also possible to block rubber is used simultaneously as flexible member and damping element, be conducive to simplifying product structure, reduce take empty
Between, reduce product cost.Certainly, in addition to elastomeric material, compression spring can also be made using elastane, or adopt
With the compression spring of the forms such as disc spring, use requirement of the present utility model also can be met；In addition, described pre-pressing structure except
Outside using pretension connecting rod, can also be the concrete structures such as pretension hook, pretension chain and pre- locking bracket, can act as similar
Technique effect.Technique scheme is all based on the simple change of this utility model know-why, all requires in this utility model
Protection domain within.
Embodiment six
This utility model carries the built-in vibration-isolating device of mass tuning vibration-damping function as shown in figure 13, with embodiment three
Difference is, the flexible member 8 in mass tuning device is an elastic rod, and elastic rod is run through mass 7 and is welded into it
Integrally, the two ends of elastic rod are fixed on support 20 by locking nut 21；Additionally, frequency can also be included in mass tuning device
Rate adjusting means, the screw-type frequency that described frequency regulation arrangement includes being arranged in pairs adjusts axle sleeve 33, described screw-type frequency
Adjust axle sleeve 33 to be symmetrically disposed in the both sides of mass 7 and be connected by helicitic texture with mass 7, screw-type frequency is adjusted
Axle sleeve is set on elastic rod.
Compared with embodiment three, due to being additionally arranged frequency regulation arrangement in technical scheme described in this example, can be at any time to being
System natural frequency carries out accurate frequency modulation, is suitable to be adjusted in engineering site, therefore practicality is higher.Because screw-type frequency is adjusted
Nodal axisn set can effectively limit the elasticity of the elastic rod of its covering part, in use, screw-type frequency is adjusted axle sleeve 33 revolving
Enter or screw out mass 7 it is possible to change into mass 7 to provide the effective active length of elastic rod of elasticity, i.e. screw-type frequency
Adjust the resilient lever length to support 20 respective side wall for the axle sleeve 33 side wall, thus realizing changing the intrinsic of mass tuning system
Frequency, very convenient, can really realize accurate frequency modulation.
Embodiment seven
This utility model carries the built-in vibration-isolating device of mass tuning vibration-damping function as shown in figure 14, with embodiment six
Difference is, one end of elastic rod is welded on mass 7, and the other end is fixed on support by locking nut 21；Quality is adjusted
The frequency that frequency regulation arrangement in humorous device includes being arranged in pairs adjusts axle sleeve 34, and described frequency adjusts axle sleeve 34 in mass
7 both sides are symmetrical arranged, and frequency adjusts axle sleeve 7 and is set on elastic rod, and is fixed on elastic rod by jackscrew 35；Additionally,
The damping sleeve that damping element 9 is made for high-damping elastane, this damping sleeve is directly set in elastic rod surface.
Similar to the know-why in embodiment six, in technical scheme described in this example, adjust axle sleeve 34 by changing frequency
Width it is possible to change into mass 7 provide elasticity the effective active length of elastic rod, for example increase frequency adjust axle sleeve 34
Width it is possible to shorten the length that frequency adjusts elastic rod between axle sleeve 34 and support 20, that is, shorten elastic rod and effectively work
Length, in this way it is possible to realize the adjustment to quality tuner natural frequency；Further, since damping element is straight
Connect and employ the damping sleeve being arranged on elastic rod surface, it does not need additionally to take the space above or below mass, therefore
Mass for arranging bigger provides space.Certainly damping element can also adopt the other materials such as high-damping rubber to make,
Also enable similar technique effect, all among the protection domain that this utility model requires.
Embodiment eight
This utility model carries the built-in vibration-isolating device of mass tuning vibration-damping function as shown in Figure 15 and Figure 16, with enforcement
The difference of example six is, flexible member 8 includes two elastic rods, and described frequency regulation arrangement includes two crossbeams 36, two bullets
Property bar is separately positioned on the two ends of crossbeam 36, and its middle cross beam 36 two ends is fixedly installed otic placode 38, and elastic rod runs through otic placode 38 and leads to
Cross locking nut 21 to realize being fixed together with crossbeam 36, mass 7 is fixedly installed on crossbeam 36 by securing member 39, horizontal
On beam 36, the axially arranged strip hole 37 along elastic rod is coordinated with securing member 39.Between four corners of mass 7 and support 20
It is respectively provided with damping element 9.
Compared with embodiment six, in technical scheme described in this example, moving beam 36 is it is possible to realization change elastic rod is effective
Active length, thus changing the technique effect of mass tuning device natural frequency, very convenient quick, it is very suitable for existing in engineering
Accurate frequency modulation is realized in field operation.Additionally, the structure that the mass tuning device all employings in this example can split, therefore transport and tie up
Shield is quite convenient to.
In sum, this utility model carry mass tuning vibration-damping function built-in vibration-isolating device do not affect original every
On the basis of performance of shaking, it is capable of controlling the technique effect of floating plate characteristic frequency vibration, particularly can effectively administer floating
Put the vibration in buzz frequency range for the plate, and it all no affects substantially on floating plate cloth muscle and plate body intensity etc., more safe and reliable,
Economy and practicality all more preferably, can be widely applied in orbit traffic floating board railway roadbed Vibration Isolation Engineering.In this utility model
Embodiment be only more preferably explanation the technical solution of the utility model, should not be considered as to restriction of the present utility model, its each reality
The technical characteristic applied in example can also cross-reference.Based on know-why of the present utility model, those skilled in the art can be right
Technical scheme described in above-described embodiment is re-started combination or using similar technique, some of which element is simply replaced, only
To be based on know-why of the present utility model, all in the protection domain that this utility model requires.
Claims (11)
1. a kind of built-in vibration-isolating device with mass tuning vibration-damping function, including joint sheeve, height-regulating device and vibration isolator,
It is provided with supporting chamber and installation passage, the joint sheeve in supporting chamber is provided with support stop, vibration isolator position in joint sheeve
Be supported on support stop below support stop and by height-regulating device, installation passage be located at supporting chamber side and with
Hold chamber to communicate with each other, the top of installation passage is provided with construction opening, the inner space of installation passage and construction opening big
Little and shape can accommodate vibration isolator and height-regulating device passes through, and setting end cap at construction opening is it is characterised in that in installation passage
At least one mass tuning device is set, and described mass tuning device includes mass, flexible member and damping element.
2. the built-in vibration-isolating device with mass tuning vibration-damping function according to claim 1 is it is characterised in that described
Height-regulating device includes heightening pad or screw thread heightens part.
3. the built-in vibration-isolating device with mass tuning vibration-damping function according to claim 1 is it is characterised in that described
In mass tuning device, flexible member is extension spring, and the upper end of extension spring is connected with the top of joint sheeve, lower end and matter
Gauge block is connected, and damping element is located at below mass and one end of damping element is connected with mass.
4. the built-in vibration-isolating device with mass tuning vibration-damping function according to claim 1 is it is characterised in that described
Flexible member in mass tuning device is compression spring, and compression spring and damping element are arranged on mass and joint sheeve
Between base plate, centering limited block is fixedly installed on the base plate of joint sheeve, compression spring is set on centering limited block or embedding
It is located in centering limited block.
5. the built-in vibration-isolating device with mass tuning vibration-damping function according to claim 4 is it is characterised in that described
Mass tuning device also includes substrate, and compression spring and damping element are arranged between mass and substrate, and substrate is fixed on connection
On the base plate of knot sleeve.
6. the built-in vibration-isolating device with mass tuning vibration-damping function according to claim 5 is it is characterised in that described
Mass tuning device also includes connecting plate, and mass is arranged between connecting plate and substrate, between mass and substrate and quality
It is respectively provided with flexible member, damping element is arranged between mass and substrate or/and mass and company between block and connecting plate
Between fishplate bar, pre-pressing structure is set between connecting plate and substrate, pre-pressing structure applies pretightning force, elasticity of compression unit to flexible member
Part, until flexible member end is fully contacted with adjacent mass, substrate or connecting plate, enters the external force that flexible member bears
In the linear change stage being directly proportional to the compression displacement of flexible member, described pre-pressing structure includes pretension connecting rod, pretension hook, pre-
Tight chain and pre- locking bracket.
7. the built-in vibration-isolating device with mass tuning vibration-damping function according to claim 1 is it is characterised in that connect
Sleeve inner is fixedly installed support, and the flexible member in mass tuning device is made up of at least elastic rod, and the two of elastic rod
End be bearing in respectively on support, mass is fixedly installed on elastic rod, damping element be set directly at elastic rod surface or
Damping element is connected with mass, and when elastic rod quantity is two or more than two, described elastic rod relative mass block pair
Claim setting.
8. the built-in vibration-isolating device with mass tuning vibration-damping function according to claim 7 is it is characterised in that quality
Frequency regulation arrangement is also included in tuner.
9. the built-in vibration-isolating device with mass tuning vibration-damping function according to claim 8 is it is characterised in that described
The frequency that frequency regulation arrangement includes being arranged in pairs adjusts axle sleeve, and the both sides that described frequency adjustment axis are enclosed within mass symmetrically set
Put, frequency regulation axle sleeve is sheathed and is fixed on elastic rod.
10. the built-in vibration-isolating device with mass tuning vibration-damping function according to claim 8 is it is characterised in that elasticity
Bar arranges two, and described frequency regulation arrangement includes two crossbeams, and two elastic rods are separately positioned on the two ends of crossbeam, mass
It is fixedly installed on crossbeam, is connected by securing member between mass and crossbeam, along the axially arranged strip of elastic rod on crossbeam
Hole and appended claims.
11. built-in vibration-isolating devices with mass tuning vibration-damping function according to claim 8 are it is characterised in that described
The screw-type frequency that frequency regulation arrangement includes being arranged in pairs adjusts axle sleeve, and described screw-type frequency adjusts axle sleeve and is symmetrically arranged
It is connected by helicitic texture in the both sides of mass and with mass, screw-type frequency adjusts axle sleeve and is set on elastic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620915102.0U CN205975231U (en) | 2016-08-19 | 2016-08-19 | Built -in isolation mounting with harmonious damping function of quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620915102.0U CN205975231U (en) | 2016-08-19 | 2016-08-19 | Built -in isolation mounting with harmonious damping function of quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205975231U true CN205975231U (en) | 2017-02-22 |
Family
ID=58032561
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620915102.0U Active CN205975231U (en) | 2016-08-19 | 2016-08-19 | Built -in isolation mounting with harmonious damping function of quality |
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| Country | Link |
|---|---|
| CN (1) | CN205975231U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120485A (en) * | 2016-08-19 | 2016-11-16 | 隔而固(青岛)振动控制有限公司 | Built-in vibration-isolating device with mass tuning vibration-damping function |
| CN112832066A (en) * | 2021-03-04 | 2021-05-25 | 羿射旭减隔震张家口有限公司 | Vibration isolator for track floating plate |
-
2016
- 2016-08-19 CN CN201620915102.0U patent/CN205975231U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120485A (en) * | 2016-08-19 | 2016-11-16 | 隔而固(青岛)振动控制有限公司 | Built-in vibration-isolating device with mass tuning vibration-damping function |
| CN112832066A (en) * | 2021-03-04 | 2021-05-25 | 羿射旭减隔震张家口有限公司 | Vibration isolator for track floating plate |
| CN112832066B (en) * | 2021-03-04 | 2024-04-12 | 羿射旭减隔震张家口有限公司 | Vibration isolator for track floating plate |
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