Summary of the invention
In view of this, the embodiment of the present invention is designed to provide a kind of track vibration-reducing device and system, it is above-mentioned to improve
The problem of.
In a first aspect, the embodiment of the invention provides a kind of track vibration-reducing device, including support, lever and vibration damping are whole
End, the lever are arranged above the support and are rotatablely connected with the support, and the lever includes first end and second end,
The lever is spring beam, and the first end of the spring beam is connect with the vibration damping terminal, and the support is along the lever side
It is greater than the distance of second end of the support along the lever direction to the lever to the distance of the first end to the lever,
The vibration damping terminal is used to decay to the Oscillation Amplitude of the first end of the lever.
Further, the vibration damping terminal is fixing piece, and the lever is spring beam, the first end of the spring beam and institute
State fixing piece connection.
Further, the vibration damping terminal includes shock-absorbing spring, and the first end of the spring beam and the shock-absorbing spring connect
It connects.
Further, and the distance in the first end of the spring beam to the center of circle of the shock-absorbing spring internal diameter is less than described subtract
The radius of the internal diameter of vibration spring.
Further, the vibration damping terminal includes the first magnet, the second magnet and third magnet, and the third magnet is set
It is placed in the first end of the lever, first magnet, the third magnet and second magnet are according to from top to bottom
Sequence set gradually, the pole S of first magnet and the pole S of the third magnet are oppositely arranged, the pole N of the third magnet and
The pole N of second magnet is oppositely arranged or the pole N of first magnet and the pole N of the third magnet are oppositely arranged, described
The pole S of third magnet and the pole S of second magnet are oppositely arranged.
Further, the surface of the spring beam is coated with Damping material layer.
Further, the Damping material layer is rubber layer or foam layer.
Second aspect, the present invention also provides a kind of track vibration-reducing systems comprising rail, multiple sleepers and described
Track vibration-reducing device.
The track vibration-reducing device includes support, lever and vibration damping terminal, and the lever is arranged above the support
And be rotatablely connected with the support, the lever includes first end and second end, and the lever is spring beam, the spring beam
First end is connect with the vibration damping terminal, and the distance of first end of the support along the lever direction to the lever is greater than
The distance of second end of the support along the lever direction to the lever, the vibration damping terminal are used for the to the lever
The Oscillation Amplitude of one end is decayed.
The second end of the lever is connect with the bottom of the rail, and the multiple sleeper connects with the bottom of the rail
It connects and is equidistantly spaced, the second end of the lever is equidistant with two adjacent sleepers.
The beneficial effect of the embodiment of the present invention is:
Compared with prior art, track vibration-reducing device provided in an embodiment of the present invention and system, when in use, by lever
Second end is connect with the bottom of a rail, when rail is driven by wheel weight the second end and first end of lever when the vibrations are up and down
It vibrates up and down, since support is greater than support along the second of lever direction to lever along the distance of the first end in lever direction to lever
The distance at end, therefore, the displacement of the first end vibration of lever are greater than the displacement of second end vibration, and vibration damping terminal can be by lever
The displacement of first end decay, so that the vibration for reducing the second end of lever is preferably realized, due to the second end of lever
It is connected with the bottom of rail, therefore realizes the vibration for preferably reducing track while the second end vibration for reducing lever,
And effectiveness in vibration suppression is good.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on " is based on attached
Orientation or positional relationship shown in figure or the invention product using when the orientation or positional relationship usually put, be only for
Convenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second ", " third " and " the 4th " etc. are only used for distinguishing description, and should not be understood as referring to
Show or imply relative importance.
In the description of the present invention, it is also necessary to which explanation, unless in addition having more specific regulation and limiting, term " is set
Set ", " connection " more broadly understanding should be done, for example, " connection " may be a fixed connection, may be a detachable connection or one
Connect to body;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
With reference to the accompanying drawing, it elaborates to an embodiment of the invention, it is in the absence of conflict, following
Feature in embodiment can be combined with each other.
Train is a kind of transport facility common in Modern Traffic transport, when train passes through rail, rail meeting
Vibration occurs under the action of wheel load and generates displacement, if the maximum amplitude of displacement when rail vibration is excessive, rail can be made
At certain damage, therefore the maximum amplitude of displacement when installation vibration absorber reduction rail vibration is necessary.Currently, existing
Spring secures rail to sleeper or elastic piece are usually installed on rail by the track vibration-reducing device in technology, by fastener or elastic piece to rail
Vibration damping is carried out, however the effectiveness in vibration suppression of this damping mode is poor.
In view of this, inventor is by long-term observation and the study found that provide a kind of track vibration-reducing device and system, this
Track vibration-reducing device includes support, lever and vibration damping terminal, and support is big along the distance of the first end in lever direction to lever
In support along the distance of the second end in lever direction to lever, therefore, the displacement of the first end vibration of lever is shaken greater than second end
Dynamic displacement, vibration damping terminal can be decayed by the displacement of the first end to lever, reduce lever to preferably realize
The vibration of second end, since the second end of lever is connected with the bottom of rail, in the same of the second end vibration for reducing lever
Shi Shixian preferably reduces the vibration of track, and effectiveness in vibration suppression is good.
Referring to Fig. 1, track vibration-reducing device 100 provided in an embodiment of the present invention, including support 101, lever 102 and subtract
Vibration terminal 103.Lever 102 is arranged above support 101 and is rotatablely connected with support 101, in the present embodiment, lever 102 and branch
The rotation connection mode of seat 101 can connect for hinge and other some rotation connection modes, herein and with no restrictions.
Support 101 is fixedly installed on sleeper or is set to the roadbed of installation sleeper.Lever 102 includes first end 104 and the
Two ends 105, vibration damping terminal 103 is located at the first end 104 of lever 102, and support 101 is along the of 102 direction of lever to lever 102
The distance of one end 104 be greater than support 101 along the second end 105 in 102 direction of lever to lever 102 distance, the second of lever 102
End 105 is used to decline to the Oscillation Amplitude of the first end 104 of lever 102 for connecting the bottom of rail, vibration damping terminal 103
Subtract.
In the present embodiment, vibration damping terminal 103 is the base for that can decay to the Oscillation Amplitude of the lever 102 in vibration
In above-mentioned function, vibration damping terminal 103 can use shock-absorbing spring 106, damping magnet device, elastic piece 110 and fixing piece
111.Of course, vibration damping terminal 103 using shock-absorbing spring 106, damping magnet device, elastic piece 110 and can not only be consolidated
Determine part 111, it can also be using other devices that can be used for decaying to 102 Oscillation Amplitude of lever in vibration, herein only
It is merely illustrative of.
As shown in Fig. 2, when vibration damping terminal 103 is using shock-absorbing spring 106, the first end 104 and shock-absorbing spring of lever 102
106 connections, and the distance in the first end 104 of lever 102 to the center of circle of 106 internal diameter of shock-absorbing spring is less than the interior of shock-absorbing spring 106
The radius of diameter.
Preferably, lever 102 is connect with the midpoint of the axial line of shock-absorbing spring 106, so that the first end of lever 102
104 when the vibrations are up and down stress size it is identical, when the first end 104 of lever 102 move up compression shock-absorbing spring 106 when, vibration damping
Spring 106 can apply contrary power to lever 102, to reduce the Oscillation Amplitude of lever 102.It can similarly obtain, lever 102
First end 104 move down compression shock-absorbing spring 106 when, shock-absorbing spring 106 reduce lever 102 Oscillation Amplitude, to subtract
The small Oscillation Amplitude of rail.
As shown in figure 3, when vibration damping terminal 103 uses damping magnet device, and the first magnet of damping magnet device 107, the
When two magnet 108 and third magnet 109, wherein third magnet 109 is set to the first end 104 of lever 102, the first magnet
107, third magnet 109 and the second magnet 108 are set gradually in accordance with the order from top to bottom, the pole S of the first magnet 107 and the
The pole S of three magnet 109 is oppositely arranged, and the pole N of the pole N of third magnet 109 and the second magnet 108 is oppositely arranged or the first magnet
107 pole N is oppositely arranged with the pole N of third magnet 109, and the pole S of third magnet 109 is extremely opposite with the S of the second magnet 108 to be set
It sets.
When the first end 104 of lever 102 is moved up close to the first magnet 107, since third magnet 109 is close to the
The polarity phase of the polarity of the magnetic pole of the side of one magnet 107 and the magnetic pole of the side of the close third magnet 109 of the first magnet 107
Together, identical charges repel each other, and the first magnet 107 can apply contrary power to third magnet 109, to reduce the vibration of lever 102
Amplitude, when can similarly obtain the first end 104 of lever 102 and moving down close to the second magnet 108, the first magnet 107 reduces lever
102 Oscillation Amplitude, thus reduce the Oscillation Amplitude of the second end 105 of lever 102, so that the Oscillation Amplitude of rail is reduced,
By reducing the Oscillation Amplitude of rail, so that rail is not easy to be damaged, to extend the service life of rail.
As shown in figure 4, when vibration damping terminal 103 is using elastic piece 110, one end of elastic piece 110 and the first of lever 102
104 connection of end, the other end of elastic piece 110 are fixed.Wherein, stainless steel elastic piece 110, elasticity of plastics can be used in elastic piece 110
Piece 110.When the first end 104 of lever 102, which is moved up, to exert a force to elastic piece 110 so that elastic piece 110 is bent upwards, due to
There is elastic piece 110 certain toughness can apply contrary power to lever 102, thus reduce the Oscillation Amplitude of lever 102,
Can similarly obtain lever 102 first end 104 move down to elastic piece 110 exert a force so that elastic piece 110 is bent downwardly when, elasticity
Piece 110 can decay the Oscillation Amplitude of lever 102, to reduce the Oscillation Amplitude of rail.
As shown in figure 5, vibration damping terminal 103 is fixing piece 111, fixing piece 111 is fixedly installed in roadbed, bridge and tunnel wall
First-class non-track structure.Lever 102 is spring beam, and the first end 104 of spring beam is connect with fixing piece 111.
Spring beam can send the rod piece of deformation axially and longitudinally being acted on by external force.When the first end of lever 102
104 are driven 104 fixture 111 of first end when moving up due to lever 102 fixed by rail, and lever 102 can be turned under
Song, to apply contrary power for rail, and support 101 is along the first end 104 in 102 direction of lever to lever 102
Distance is greater than support 101 along the distance of the second end 105 in 102 direction of lever to lever 102, to preferably reduce the vibration of rail
Dynamic amplitude.
With should lever 102 first end 104 by rail drive move down when due to lever 102 104 quilt of first end
Fixing piece 111 is fixed, and lever 102 can be bent upwards, to apply contrary power for rail, and support 101 is along lever
102 directions to lever 102 first end 104 distance be greater than support 101 along 102 direction of lever to lever 102 second end 105
Distance, thus preferably reduce rail Oscillation Amplitude, to reduce the Oscillation Amplitude of rail.
The surface of spring beam is coated with Damping material layer, wherein rubber layer or foam layer can be used in Damping material layer.
Solid mechanical vibrational energy can be changed into thermal energy and the material layer that dissipates by Damping material layer, when the kinetic energy conversion spring beam hair of rail
When raw deforming mechanical energy, solid mechanical vibrational energy can be changed into thermal energy and dissipated by Damping material layer, so as to further subtract
The Oscillation Amplitude of small rail.
In addition, as shown in fig. 6, when vibration damping terminal 103 is using shock-absorbing spring 106, lever 102 is adopted in the present embodiment
It is coated with Damping material layer with the surface of spring beam, spring beam, can achieve very strong effectiveness in vibration suppression.The first end of spring beam
104 connect with shock-absorbing spring 106, and the distance in the first end 104 of spring beam to the center of circle of 106 internal diameter of shock-absorbing spring is less than vibration damping
The radius of the internal diameter of spring 106.It specifically, can be different by shock-absorbing spring 106, amount of elasticity and damping layer material layer
Level decays to the Oscillation Amplitude of rail, can achieve very strong effectiveness in vibration suppression, and concrete principle please refers to above-mentioned text
Description.
It is to be appreciated that as shown in fig. 7, alternatively embodiment, when vibration damping terminal 103 is filled using damping magnet
It sets, and damping magnet device includes the first magnet 107, the second magnet 108 and when third magnet 109, and lever 102 is used bullet
Property beam, the surface of spring beam is coated with Damping material layer, can achieve very strong effectiveness in vibration suppression.Third magnet 109 is set to bullet
The first end 104 of property beam, the first magnet 107, third magnet 109 and the second magnet 108 are in accordance with the order from top to bottom successively
Setting, the pole S of the first magnet 107 are oppositely arranged with the pole S of third magnet 109, the pole N of third magnet 109 and the second magnet 108
The pole N be oppositely arranged or the pole N of the first magnet 107 and the pole N of third magnet 109 are oppositely arranged, the pole S of third magnet 109 with
The pole S of second magnet 108 is oppositely arranged.It specifically, can be by damping magnet device, amount of elasticity and damping layer material layer
Different levels decays to the Oscillation Amplitude of rail, can achieve very strong effectiveness in vibration suppression, and concrete principle please refers to above-mentioned
Verbal description.
It please join Fig. 8, the embodiment of the invention also provides a kind of track vibration-reducing systems, including rail 112, multiple sleepers 113
And track vibration-reducing device 100 described in above-described embodiment, the second end 105 of lever 102 are connect with the bottom of rail 112, thick stick
The second end 105 of bar 102 and the connection type of the bottom of rail 112 can to connect, being fixedly connected and hinge is connect,
Preferred hinge connects in the present embodiment.Multiple sleepers 113 connect with the bottom of rail 112 and are equidistantly spaced, thick stick
The second end 105 of bar 102 is equidistant with two adjacent sleepers 113.Since the midpoint of 113 line of every two sleeper is iron
112 vibration displacement of rail and the maximum position of vibration velocity, therefore by the second end of lever 102 105 and rail 112 and every two sleeper
The midpoint connection of 113 lines is preferable.In addition, in the specific implementation, vibration damping terminal 103 is set to from rail 112 farther out as far as possible
Roadbed, can avoid vibration damping terminal 103 influence track structure boundary.
To sum up, track vibration-reducing device provided in an embodiment of the present invention and system, when in use, by the second end of lever 102
105 connect with the bottom of a rail 112, when rail 112 is driven by wheel weight the second end of lever 102 when the vibrations are up and down
105 vibrate up and down with first end 104, and the distance due to support 101 along the first end 104 in 102 direction of lever to lever 102 is greater than
Support 101 along the second end 105 in 102 direction of lever to lever 102 distance, therefore, what the first end 104 of lever 102 was vibrated
Vibration displacement is greater than the vibration displacement that second end 105 is vibrated, and vibration damping terminal 103 can pass through the vibration of the first end 104 to lever 102
Dynamic amplitude decays, so that the vibration for reducing the second end 105 of lever 102 is preferably realized, due to the second end of lever 102
105 connect with the bottom of rail 112, therefore realize while the second end 105 for reducing lever 102 is vibrated and preferably reduce
The vibration of track, and effectiveness in vibration suppression is good.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.