CN109267436A - Track vibration-reducing support device - Google Patents
Track vibration-reducing support device Download PDFInfo
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- CN109267436A CN109267436A CN201811416434.4A CN201811416434A CN109267436A CN 109267436 A CN109267436 A CN 109267436A CN 201811416434 A CN201811416434 A CN 201811416434A CN 109267436 A CN109267436 A CN 109267436A
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- damper
- upper junction
- component
- connecting plate
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- 238000013016 damping Methods 0.000 claims abstract description 64
- 238000006073 displacement reaction Methods 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 68
- 239000010959 steel Substances 0.000 claims description 68
- 229920001971 elastomer Polymers 0.000 claims description 41
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 244000043261 Hevea brasiliensis Species 0.000 claims description 3
- 229920003052 natural elastomer Polymers 0.000 claims description 3
- 229920001194 natural rubber Polymers 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 230000033001 locomotion Effects 0.000 description 8
- 241001669679 Eleotris Species 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000001603 reducing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention discloses a kind of track vibration-reducing support device, is related to track vibration-reducing technical field, including upper junction plate component, lower connecting plate, elastic damping component and damper, upper junction plate component are used to support track girder；Lower connecting plate with bridge main body for connecting；The both ends of elastic damping component vertical direction are connected with upper junction plate component and lower connecting plate respectively, and flexible deformation can at least occur in the vertical direction for elastic damping component；The two sides of elastic damping component are each provided at least one damper, and the upper end of damper is connect with upper junction plate component, and the lower end of damper is connect with lower connecting plate, and damper at least limits the vertical displacement between upper junction plate component and lower connecting plate.The track vibration-reducing support device has good effect of vibration and noise reduction, and can reduce the vibration displacement of track, guarantees rail vehicle traveling comfort and safety.
Description
Technical field
The present invention relates to track vibration-reducing technical fields, more particularly to a kind of track vibration-reducing support device.
Background technique
With the fast development of rail traffic, ambient vibration problem caused by rail traffic is increasingly by the pass of people
Note, ambient vibration problem caused by rail traffic annoying always all the time along house or office building owner, it is domestic
Also there are a variety of vibration reducing measures outside, and achieve certain effectiveness in vibration suppression, also occurs the production of a variety of vibration and noise reducings both at home and abroad
Damper under product, including Damping fastening, vibration damping sleeper, railway beam, the floating plate damper rail for Underground Rail Transit
Structure etc..Common problem is Damping fastening effectiveness in vibration suppression than relatively limited, and the common structural form of vibration damping sleeper is gumshoe
Structure covers concrte sleeper in rubber sleeve that is, in the construction stage, sleeper top deployment rails, which passes through rubber material
Material realizes sleeper and the vibration of substructure obstructs, and this method construction is comparatively laborious, and gumshoe structure is due to being and cast-in-place coagulation
What soil was bonded together, after aging or breakage occur for gumshoe, do not have replaceability, floating plate track weight is larger, no
It is suitble to track bridge.The method of damper is set under railway beam, is top using railway beam, is arranged under track girder
Damper obstructs the transmitting of upper track, the vibration on track girder to basis, structure type tool by the setting of damper
Have that arrangement form is flexible, applied widely, various technical advantages such as easy for construction, but the damping that damper is capable of providing
Than relatively limited, it is not able to satisfy track displacement limit value requirement, influences rail vehicle traveling comfort and safety.
Summary of the invention
The object of the present invention is to provide a kind of track vibration-reducing support devices, to solve the above-mentioned problems of the prior art,
With good effect of vibration and noise reduction, and the vibration displacement of track can be reduced, guarantee rail vehicle traveling comfort and peace
Quan Xing.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of track vibration-reducing support device, including upper junction plate component, lower connecting plate, elastic damping component
And damper, the upper junction plate component are used to support track girder；Lower connecting plate, the lower connecting plate are used to connect with bridge main body
It connects；The both ends of the elastic damping component vertical direction are connected with the upper junction plate component and the lower connecting plate respectively,
And elastic damping component flexible deformation can at least occur in the vertical direction with reduce the upper junction plate component and it is described under
Vertical coupling stiffness between connecting plate；The two sides of the elastic damping component are each provided at least one described damper, institute
The upper end for stating damper is connect with the upper junction plate component, and the lower end of the damper is connect with the lower connecting plate, described
Damper at least can be used in limiting the vertical displacement between the upper junction plate component and the lower connecting plate.
Preferably, the damper is mild steel damper or viscous damper.
Preferably, the upper junction plate component includes upper junction plate and the jacking component that is set on the upper junction plate,
The jacking component includes jacking sleeve, screw thread steel loop and raising plate, the upper junction plate and the damper and the elasticity
The upper end of damping assembly connects, and the screw thread steel loop is fixedly installed on the upper surface of the upper junction plate, the jacking sleeve top
Portion is fixedly installed the raising plate, and the jacking sleeve is threadedly coupled with the screw thread steel loop, and the raising plate is used to support
Track girder.
Preferably, rubber pad is provided between the damper and the upper junction plate and the lower connecting plate.
Preferably, the damper passes through the first anchor bolt with the upper junction plate and the lower connecting plate and connect,
It is provided on the damper, the upper junction plate, the lower connecting plate and the rubber pad for wearing first anchor
First connection through-hole of fixing bolt, first anchor bolt are anchored in the upper junction plate after passing through the first connection through-hole
Or on lower connecting plate, and the first rubber sleeve is arranged with outside first anchor bolt being located in the first connection through-hole.
Preferably, the elastic damping component includes shock-absorbing spring and the spring spool that is sheathed on outside the shock-absorbing spring,
The lower end of the spring spool is fixedly installed on the upper surface of the lower connecting plate, the shock-absorbing spring and the upper junction plate
Between be provided with a billet, the upper end of the billet is fixedly connected with the upper junction plate, the lower end of the billet with
The upper-end contact of the shock-absorbing spring in the spring spool, the lower end of the shock-absorbing spring and the lower connecting plate
Upper surface contact, the shock-absorbing spring are in compressive state, the lower surface of the spring spool upper surface and the upper junction plate
Between form a compression spacing so that the shock-absorbing spring can further compressive deformation, be covered on the lateral wall of the billet
Rubber layer.
Preferably, the elastic damping component includes that stacking damping body, locating piece and the second anchor bolt, the stacking subtract
Vibration body includes muti-piece upper steel plate, muti-piece lower steel plate and muti-piece sheet rubber, and the upper steel plate and the lower steel plate interleaved are arranged,
By one piece of sheet rubber connection between adjacent one piece of upper steel plate and one piece of lower steel plate, it is outermost it is described on
Steel plate and the outermost lower steel plate are connected with the locating piece, the locating piece and the upper junction plate and the lower company
Fishplate bar passes through the connection of the second anchor bolt；Pass through positioned at the outermost upper steel plate of the elastic damping component or lower steel plate
One lateral fixation steel plate connection.
Preferably, the upper steel plate and the lower steel plate are equidistantly evenly arranged.
Preferably, the sheet rubber is natural rubber sheet or neoprene rubber sheet.
Preferably, rotating handle is fixedly installed on the jacking sleeve lateral wall.
The present invention achieves following technical effect compared with the existing technology:
Track vibration-reducing support device provided by the invention, by the way that elasticity is arranged between upper junction plate component and lower connecting plate
Damping assembly reduces the coupling stiffness between upper junction plate component and lower connecting plate, to reduce track girder structure below
It supports rigidity, changes the natural frequency of vibration of the structure of track girder or more, to achieve the purpose that vibration damping, noise reduction；Due to upper junction plate
The reduction of coupling stiffness between component and lower connecting plate, the displacement of track girder is excessive in order to prevent, influences the steady of train operation
Property, also by being at least capable of providing the damper connection of vertical damping between upper junction plate component and lower connecting plate, by upward
The form that vertical damping is provided between connecting plate component and lower connecting plate reduces the vertical motion displacement of track girder.The present invention provides
Track vibration-reducing support device, reduce the vertical coupling stiffness between track girder and bridge main body, can effectively reduce rail traffic
It to the noise that ambient vibration is generated with it, while limiting track and generating excessive vertical displacement, ensure that rail vehicle is run
Stationarity and safety；And structure is simple, and it is easy for installation, cost can be reduced.
Further, track vibration-reducing support device provided by the invention, mild steel damper replaceability is stronger, when its damage
Bad when, is replaced more convenient.
Further, track vibration-reducing support device provided by the invention jacks the setting of component, track vibration-reducing support device
It is easy for installation more convenient for engineer application with height adjusting function, cost can be reduced.
Further, track vibration-reducing support device provided by the invention, due to being provided with first outside the first anchor bolt
Rubber sleeve has obstructed the propagation vibrated between rigid body to the full extent.
Further, track vibration-reducing support device provided by the invention, is provided with rubber layer, layer on billet lateral wall
Sheet rubber is set in folded damping body, realizes the damping effect of vibration reduction support direction across bridge.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is elevational schematic view of the track vibration-reducing support device in embodiment one in track longitudinal direction；
Fig. 2 is diagrammatic cross-section of the track vibration-reducing support device in embodiment one in track longitudinal direction；
Fig. 3 is elevational schematic view of the track vibration-reducing support device in embodiment one in track transverse direction；
Fig. 4 is diagrammatic cross-section of the track vibration-reducing support device in embodiment one in track transverse direction；
Fig. 5 is elevational schematic view of the track vibration-reducing support device in embodiment two in track longitudinal direction；
Fig. 6 is diagrammatic cross-section of the track vibration-reducing support device in embodiment two in track longitudinal direction；
Fig. 7 is elevational schematic view of the track vibration-reducing support device in embodiment two in track transverse direction；
Fig. 8 is diagrammatic cross-section of the track vibration-reducing support device in embodiment two in track transverse direction；
Fig. 9 is the cross-sectional configuration schematic diagram that the track vibration-reducing support device in the present invention is applied in orbit；
Figure 10 is longitudinal section structure diagram that the track vibration-reducing support device in the present invention is applied in orbit；
In figure: 100- track vibration-reducing support device；200- track；300- track girder；400- bridge main body；It is connected on 1-
Plate；2- lower connecting plate；3- damper；4- jacks sleeve；5- screw thread steel loop；6- raising plate；7- shock-absorbing spring；8- spring spool；
9- billet；10- rotating handle；11- rubber pad；The first anchor bolt of 12-；Damping body is laminated in 13-；14- locating piece；15-
Two anchor bolts；16- upper steel plate；17- lower steel plate；18- sheet rubber；19- transverse direction fixation steel plate；20- rubber layer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of track vibration-reducing support devices, to solve the above-mentioned problems of the prior art,
With good effect of vibration and noise reduction, and the vibration displacement of track can be reduced, guarantee rail vehicle traveling comfort and peace
Quan Xing.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
The present invention provides a kind of track vibration-reducing support device, including upper junction plate component, lower connecting plate, elastic damping component
And damper, the upper junction plate component are used to support track girder；Lower connecting plate, the lower connecting plate are used to connect with bridge main body
It connects；The both ends of the elastic damping component vertical direction are connected with the upper junction plate component and the lower connecting plate respectively,
And elastic damping component flexible deformation can at least occur in the vertical direction with reduce the upper junction plate component and it is described under
Vertical coupling stiffness between connecting plate；The laterally barrier using the elasticity of compression of rubber material to vibration, reduces direction across bridge
Track vibration；The two sides of the elastic damping component are each provided at least one described damper, the upper end of the damper with
The upper junction plate component connection, the lower end of the damper are connect with the lower connecting plate, and the damper can at least be used
Vertical displacement between the limitation upper junction plate component and the lower connecting plate.
Track vibration-reducing support device provided by the invention, by the way that elasticity is arranged between upper junction plate component and lower connecting plate
Damping assembly reduces the coupling stiffness between upper junction plate component and lower connecting plate, to reduce track girder structure below
It supports rigidity, changes the natural frequency of vibration of the structure of track girder or more, to achieve the purpose that vibration damping, noise reduction；Due to upper junction plate
The reduction of coupling stiffness between component and lower connecting plate, the displacement of track girder is excessive in order to prevent, influences the steady of train operation
Property, also by being at least capable of providing the damper connection of vertical damping between upper junction plate component and lower connecting plate, by upward
The form that vertical damping is provided between connecting plate component and lower connecting plate reduces the vertical motion displacement of track girder.The present invention provides
Track vibration-reducing support device, reduce the vertical coupling stiffness between track girder and bridge main body, can effectively reduce rail traffic
It to the noise that ambient vibration is generated with it, while limiting track and generating excessive vertical displacement, ensure that rail vehicle is run
Stationarity and safety.
Embodiment one
As shown in Fig. 1~4, Fig. 9~10, the present embodiment provides a kind of track vibration-reducing support devices 100, including upper junction plate
Component, lower connecting plate 2, elastic damping component and damper 3, upper junction plate component are used to support track girder 300；Lower connecting plate 2
For being connect with bridge main body 400；The both ends of elastic damping component vertical direction respectively with upper junction plate component and lower connecting plate 2
It is connected, and flexible deformation can at least occur in the vertical direction for elastic damping component to reduce upper junction plate component and lower company
Vertical coupling stiffness between fishplate bar 2；The two sides of elastic damping component are each provided at least one damper 3, damper 3 it is upper
End is connect with upper junction plate component, and the lower end of damper 3 is connect with lower connecting plate 2, and damper 3 at least can be used in limitation connecting
Vertical displacement between fishplate bar component and lower connecting plate 2.
Track vibration-reducing support device in the present embodiment, by the way that elasticity is arranged between upper junction plate component and lower connecting plate
Damping assembly reduces the coupling stiffness between upper junction plate component and lower connecting plate 2, to reduce the knot below of track girder 300
The support rigidity of structure changes the natural frequency of vibration of the structure of 300 or more track girder, to achieve the purpose that vibration damping, noise reduction；Due to upper
The reduction of vertical coupling stiffness between connecting plate component and lower connecting plate 2, the in order to prevent vertical displacement of track girder 300
Greatly, the stationarity of train operation is influenced, also by being at least capable of providing vertical damping between upper junction plate component and lower connecting plate 2
Damper 3 connect, connect up between board group part and lower connecting plate 2 provide vertical damping by way of reduce track girder
300 vertical motion displacement.Track vibration-reducing support device provided by the invention reduces between track girder 300 and bridge main body 400
Vertical coupling stiffness, can effectively reduce the noise that rail traffic generates ambient vibration with it, at the same limit track 200 production
Raw excessive vertical displacement, ensure that rail vehicle traveling comfort and safety.
Damper 3 is arc mild steel damper or viscous damper.Viscous damper can choose oil damper or electromagnetism
Damper can limit the vertical displacement between upper junction plate component and lower connecting plate.On the one hand arc mild steel damper plays perpendicular
To vibration energy consumption effect, when vertical motion, using the bending energy-wasting of mild steel damper, track vertical motion can reduce, simultaneously
Damping can be also provided for the vertical motion of bridge 300, reduce vertical motion displacement；And damper 3 can also play it is lateral
Limit, energy consumption effect, reducing track oscillation crosswise and transverse vibrational displacement can be increased using mild steel damper cutting performance
The vertical and lateral stiffness of track vibration-reducing support device 100 increases the comfort of vehicle operation.Mild steel damper replaceability ratio
It is relatively strong, when the deterioration of its performance, replace more convenient.Arc mild steel damper in the present embodiment is the arc-shaped steel of low-yield
Plate production, low cost, replacement are convenient, and performance is stablized, and energy dissipation capacity is preferable.
Upper junction plate component includes upper junction plate 1 and the jacking component that is set on upper junction plate 1, and jacking component includes top
It rises sleeve 4, screw thread steel loop 5 and raising plate 6, upper junction plate 1 to connect with the upper end of damper 3 and elastic damping component, screw-thread steel
Ring 5 is fixedly installed on the upper surface of upper junction plate 1, jacks and is fixedly installed raising plate 6 at the top of sleeve 4, jacks 4 inner sidewall of sleeve
It is provided with internal screw thread, 5 lateral wall of screw thread steel loop is provided with external screw thread, and jacking sleeve 4 is threadedly coupled with screw thread steel loop 5, raising plate 6
It is used to support track girder 300.Raising plate 6 and jacking sleeve 4 weld, and the welding of screw thread steel loop 5 or countersunk bolts are connected to connection
Plate 1.When rotation jacking sleeve 4, since jacking 4 internal screw thread of sleeve and 5 external screw thread of screw thread steel loop match, jacking sleeve 4 is upward
The thread depth that height is screw thread steel loop 5 is adjusted to realize the height adjustment of track vibration-reducing support device 100 in movement.
As shown in Fig. 9~10, track vibration-reducing support device 100 provided in this embodiment is in use, lower connecting plate 2 is passed through
Bolt is connect with bridge main body 400；Upper junction plate 1 is arranged through-hole and is connect with the pre-buried steel member of track girder 300 by shank of bolt,
Rotation jacking sleeve 4, adjusts the height of raising plate 6, thus the height of adjustable track beam 300, the height of track girder 300 is adjusted
After, locking screw tightening latch.Track girder 300 is connected on raising plate 6 by connector, passes through bolt between connector and raising plate 6
Connection, track 200 is by fastener fixing on track girder 300.The setting of jacking component has track vibration-reducing support device 100
Height adjusting function, more convenient for engineer application, structure is simple, and processing technology is simple, easy for installation, can reduce cost.
Elastic damping component includes shock-absorbing spring 7 and the spring spool 8 that is sheathed on outside shock-absorbing spring 7, under spring spool 8
End is welded on the upper surface of lower connecting plate 2, spring spool 8 and lower connecting plate 2 can also countersunk bolts connect or be integrally formed；Subtract
A billet 9, the upper end of billet 9 and 1 company of being bolted of upper junction plate are provided between vibration spring 7 and upper junction plate 1
It connects, the upper-end contact of the lower end of billet 9 and 8 shock-absorbing springs 7 being located in spring spool, the lower end of shock-absorbing spring 7 and lower company
The upper surface of fishplate bar 2 contacts, and shock-absorbing spring 7 be in compressive state, the lower surface of 8 upper surface of spring spool and upper junction plate 1 it
Between formed 2cm or so compression spacing so that shock-absorbing spring 7 can further compressive deformation, billet 9 is cylindrical body, billet
Rubber layer 20 is covered on 9 lateral wall, the barrier using the elasticity of compression of rubber layer 20 to vibration can reduce the track of direction across bridge
Vibration, plays the role of lateral vibration absorbing, and can reduce the collision between billet 9 and spring spool 8；The height root of spring spool 8
Depending on height according to shock-absorbing spring 7, the height of spring spool 8 should be higher than that 7 height 1cm~2cm of shock-absorbing spring of compressive state is left
It is right.Billet 9 with a thickness of 3cm~4cm, billet 9 partially protrudes into 8 internal pressure contracting shock-absorbing spring 7 of spring spool.Spring spool 8
Play the role of lateral confinement to shock-absorbing spring 7, shock-absorbing spring 7 and lower connecting plate 2 can use welding manner, can also directly put
It sets on lower connecting plate 2, because there is spring spool 8 to constrain shock-absorbing spring 7,7 upper and lower ends of shock-absorbing spring are all not connected to can also be with.
Sleeve 4 is jacked for convenience of rotation, adjustable track vibration damping support device 100 uses height, jacking 4 lateral wall of sleeve
On be fixedly installed rotating handle 10.
Rubber pad 11 is provided between damper 3 and upper junction plate 1 and lower connecting plate 2, to obstruct track vibration to bridge
The transmitting of beam body 400, basis and ambient enviroment, further enhances the effect of vibration and noise reduction of track vibration-reducing support device 100.
Damper 3 is connect by the first anchor bolt 12 with upper junction plate 1 and lower connecting plate 2, damper 3, upper connection
The first connection through-hole for wearing the first anchor bolt 12, the first anchor are provided on plate 1, lower connecting plate 2 and rubber pad 11
Fixing bolt 12 is anchored on upper junction plate 1 or lower connecting plate 2 after passing through the first connection through-hole, and is located in the first connection through-hole
It is arranged with the first rubber sleeve outside first anchor bolt 12, the internal diameter that the outer diameter of the first rubber sleeve connect through-hole with first matches.
It is logical that first anchor bolt 12 sequentially passes through the first connection on the first connection through-hole and upper junction plate 1 of the upper end of damper 3
Damper 3 is connect by hole with upper junction plate 1, and the first anchor bolt 12 is also cross between 3 upper end of damper and upper junction plate 1
The first connection through-hole on the rubber pad 11 of sandwiched；Likewise, the first anchor bolt 12 sequentially passes through the of the lower end of damper 3
Damper 3 is connect by the first connection through-hole on one connection through-hole and lower connecting plate 2 with lower connecting plate 2, the first anchor bolt
12 also cross the first connection through-hole between 3 lower end of damper and lower connecting plate 2 on the rubber pad 11 of sandwiched；First anchoring
The rubber pad 11 of sandwiched can be between the rubber sleeve and damper 3 and upper junction plate 1 and lower connecting plate 2 being arranged outside bolt 12
Transmitting of the one step barrier vibration to environment, has obstructed the propagation vibrated between rigid body to the full extent.Steel damper 3 and upper company
Fishplate bar 1 and lower connecting plate 2 directly adopt the connection of the first anchor bolt 12, and when replacement need to only remove the first anchor bolt 12, remove
The damper 3 of damage changes new damper 3.
Embodiment two
The present embodiment provides a kind of track vibration-reducing support device 100, track vibration-reducing support device 100 provided in this embodiment
With the track vibration-reducing support device 100 in embodiment one the difference is that:
As shown in Fig. 5~10, elastic damping component includes that damping body 13, locating piece 14 and the second anchor bolt 15 is laminated,
It includes muti-piece upper steel plate 16, muti-piece lower steel plate 17 and muti-piece sheet rubber 18 that damping body 13, which is laminated, between upper steel plate 16 and lower steel plate 17
Every being staggered, connected between adjacent one piece of upper steel plate 16 and one piece of lower steel plate 17 by one piece of sheet rubber 18, upper steel plate 16,
Lower steel plate 17 and sheet rubber 18 link together through over cure, and outermost upper steel plate 16 and outermost lower steel plate 17 connect
It is connected to locating piece 14, locating piece 14 passes through the second anchor using positioning angle steel, locating piece 14 and upper junction plate 1 and lower connecting plate 2
Fixing bolt 15 connects.Outermost positioned at elastic damping component is upper steel plate 16 or lower steel plate 17, is located at elastic damping component most
The upper steel plate 16 or 17 width of lower steel plate in outside is greater than the width of sheet rubber 18 and the upper steel plate 16 and lower steel plate 17 of inside
Width, upper steel plate 16 or lower steel plate 17 on the outermost side pass through lateral fixation steel plate 19 and are welded to connect, to enhance elastic damping
The integrated connection of component avoids 18 excessive deformation of sheet rubber and is broken.Elasticity laterally and vertically can occur for sheet rubber 18
Deformation, to reach the barrier using the elasticity of compression of sheet rubber 18 to vibration, can reduce direction across bridge and perpendicular bridge to track vibration
It is dynamic, play lateral and vertical damping effect.
Upper steel plate 16 and lower steel plate 17 are equidistantly evenly arranged.
Sheet rubber 18 is natural rubber sheet 18 or neoprene rubber sheet 18, and material construction is low, and production technology is mature, and performance is steady
It is fixed.The structure setting of damping body 13 is laminated, keeps its rigidity adjustable extent larger, designs more flexible.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (10)
1. a kind of track vibration-reducing support device, it is characterised in that: include:
Upper junction plate component, the upper junction plate component are used to support track girder；
Lower connecting plate, the lower connecting plate with bridge main body for connecting；
Elastic damping component, the both ends of the elastic damping component vertical direction respectively with the upper junction plate component and it is described under
Connecting plate is connected, and flexible deformation can at least occur in the vertical direction for elastic damping component to reduce the upper junction plate
Vertical coupling stiffness between component and the lower connecting plate；And
Damper, the two sides of the elastic damping component are each provided at least one described damper, the upper end of the damper
It is connect with the upper junction plate component, the lower end of the damper is connect with the lower connecting plate, and the damper at least can
For limiting the vertical displacement between the upper junction plate component and the lower connecting plate.
2. track vibration-reducing support device according to claim 1, it is characterised in that: the damper be mild steel damper or
Viscous damper.
3. track vibration-reducing support device according to claim 1, it is characterised in that: the upper junction plate component includes upper company
Fishplate bar and the jacking component being set on the upper junction plate, the jacking component include jacking sleeve, screw thread steel loop and jacking
Plate, the upper junction plate are connect with the upper end of the damper and the elastic damping component, the screw thread steel loop fixed setting
The raising plate, the jacking sleeve and institute are fixedly installed at the top of the upper surface of the upper junction plate, the jacking sleeve
The threaded connection of screw thread steel loop is stated, the raising plate is used to support track girder.
4. track vibration-reducing support device according to claim 3, it is characterised in that: the damper and the upper junction plate
Rubber pad is provided between the lower connecting plate.
5. track vibration-reducing support device according to claim 4, it is characterised in that: the damper and the upper junction plate
Pass through the first anchor bolt with the lower connecting plate to connect, the damper, the upper junction plate, the lower connecting plate and institute
The first connection through-hole being provided on rubber pad for wearing first anchor bolt is stated, first anchor bolt passes through
The institute for being anchored on the upper junction plate or lower connecting plate, and being located in the first connection through-hole after the first connection through-hole
It states and is arranged with the first rubber sleeve outside the first anchor bolt.
6. track vibration-reducing support device according to claim 3, it is characterised in that: the elastic damping component includes vibration damping
Spring and the spring spool being sheathed on outside the shock-absorbing spring, the lower end of the spring spool is fixedly installed on the lower connecting plate
Upper surface on, a billet, the upper end of the billet and institute are provided between the shock-absorbing spring and the upper junction plate
It states upper junction plate to be fixedly connected, the upper termination of the lower end of the billet and the shock-absorbing spring being located in the spring spool
Touching, the lower end of the shock-absorbing spring are contacted with the upper surface of the lower connecting plate, and the shock-absorbing spring is in compressive state, described
A compression spacing is formed between spring spool upper surface and the lower surface of the upper junction plate so that the shock-absorbing spring can be into
One step compressive deformation is covered with rubber layer on the lateral wall of the billet.
7. track vibration-reducing support device according to claim 3, it is characterised in that: the elastic damping component includes stacking
Damping body, locating piece and the second anchor bolt, the stacking damping body include muti-piece upper steel plate, muti-piece lower steel plate and muti-piece rubber
Piece, the upper steel plate and lower steel plate interleaved setting, one piece of adjacent upper steel plate and one piece of lower steel plate it
Between by one piece of sheet rubber connection, it is described fixed that the outermost upper steel plate and the outermost lower steel plate are connected with
Position part, the locating piece pass through the second anchor bolt with the upper junction plate and the lower connecting plate and connect；Positioned at the bullet
Property the outermost upper steel plate of damping assembly or lower steel plate pass through a lateral fixation steel plate connection.
8. track vibration-reducing support device according to claim 7, it is characterised in that: the upper steel plate and the lower steel plate are equal
Equidistantly it is evenly arranged.
9. track vibration-reducing support device according to claim 7, it is characterised in that: the sheet rubber be natural rubber sheet or
Neoprene rubber sheet.
10. track vibration-reducing support device according to claim 3, it is characterised in that: solid on the jacking sleeve lateral wall
Surely it is provided with rotating handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811416434.4A CN109267436A (en) | 2018-11-26 | 2018-11-26 | Track vibration-reducing support device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811416434.4A CN109267436A (en) | 2018-11-26 | 2018-11-26 | Track vibration-reducing support device |
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| CN109267436A true CN109267436A (en) | 2019-01-25 |
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| CN201811416434.4A Pending CN109267436A (en) | 2018-11-26 | 2018-11-26 | Track vibration-reducing support device |
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| CN113089388A (en) * | 2021-04-15 | 2021-07-09 | 周鑫 | Track fastening structure for subway vibration reduction |
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