CN116427214A - Rail transit elastic damping node interventional vibration suppression device and rail plate structure - Google Patents
Rail transit elastic damping node interventional vibration suppression device and rail plate structure Download PDFInfo
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- CN116427214A CN116427214A CN202310443094.9A CN202310443094A CN116427214A CN 116427214 A CN116427214 A CN 116427214A CN 202310443094 A CN202310443094 A CN 202310443094A CN 116427214 A CN116427214 A CN 116427214A
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- 238000013016 damping Methods 0.000 title claims abstract description 188
- 230000001629 suppression Effects 0.000 title claims abstract description 42
- 230000008859 change Effects 0.000 claims abstract description 13
- 238000004073 vulcanization Methods 0.000 claims description 8
- 239000013013 elastic material Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 19
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 3
- 230000000452 restraining effect Effects 0.000 abstract 2
- 238000009434 installation Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 229920001971 elastomer Polymers 0.000 description 6
- 230000009467 reduction Effects 0.000 description 5
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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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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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
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- Vibration Prevention Devices (AREA)
Abstract
The invention relates to an intervening vibration suppression device of an elastic damping node of rail transit and a rail plate structure. According to the invention, one of the first connecting rod and the second connecting rod is connected with the track foundation, the other connecting rod is connected with the track plate, the track plate mainly generates vertical displacement, the damping piece provides elastic force to restrain the vertical displacement of the track plate, the amplitude is reduced, meanwhile, the vertical displacement drives the change of an included angle between the first connecting rod and the second connecting rod, so that the damping piece is subjected to shearing deformation, damping for restraining the vibration of the track plate is generated, vibration energy is consumed, the stability of the track plate is improved, and the device is simple and light in structure, convenient to install, good in vibration restraining effect, and the installation position does not influence the maintenance and overhaul of a track system.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to an elastic damping node interventional vibration suppression device for rail transit and a rail plate structure.
Background
In order to reduce the influence on the peripheral vibration and noise sensitive points of the line, urban rail transit adopts a large number of vibration reduction rails. The track bed vibration reduction track represented by the floating slab is provided with an elastic point support or a surface support below the track bed slab, so that a higher vibration reduction effect can be obtained, and the track bed vibration reduction track has the highest duty ratio in vibration reduction track application. Due to the arrangement of the elastic support, the stability of the track plate itself is reduced. Under the action of long-term train dynamic load, the degradation of the surface of the steel rail and the enhancement of the interaction of wheel and rail are easy to cause the occurrence of the diseases such as wavy abrasion of the steel rail, fracture of elastic strips of fasteners, polygonal wheels and the like, so that the running stability and riding comfort of the train are obviously reduced.
Disclosure of Invention
The invention aims at: aiming at the problems that the existing track slab has lower stability, is easy to cause the occurrence of diseases such as wavy abrasion of steel rails, breakage of elastic strips of fasteners, polygonal wheels and the like, and reduces the running stability and riding comfort of a train, the invention provides an elastic damping node intervention type vibration suppression device for track traffic and a track slab structure.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
in a first aspect, the invention provides an intervening vibration suppression device for an elastic damping node of rail transit, which comprises a swivel and a damping piece, wherein the damping piece is an elastic material member, the damping piece is sleeved in the swivel, the swivel is connected with a first connecting rod, the damping piece is connected with a second connecting rod, and the change of an included angle between the first connecting rod and the second connecting rod can enable the inner side and the outer side of the damping piece to relatively twist.
According to the track traffic elastic damping node intervention type vibration suppression device, one of the first connecting rod and the second connecting rod can be used for connecting a track foundation, the other connecting rod can be used for connecting a track plate, when a train passes through, the track plate is located at a designed zero position, when the train passes through, the track plate is mainly subjected to vertical displacement, the damping piece provides elastic force for the track plate through the connecting rod to suppress the vertical displacement of the track plate, the amplitude is reduced, the track plate is kept at the zero position as much as possible, meanwhile, the vertical displacement of the track plate drives the change of an included angle between the first connecting rod and the second connecting rod, so that the damping piece is subjected to torsion to shear deformation to generate damping for suppressing vibration of the track plate, and vibration energy is consumed, so that stability of the track plate is improved.
Preferably, the damping member is a rubber material member or a polyurethane material member.
Preferably, the damping piece is the damping ring, link up along the axial on the swivel wall and be equipped with first opening, link up along the axial on the damping wall and be equipped with the second opening, first opening with the second opening corresponds the setting, the pivot has been cup jointed in the damping piece, the second connecting rod stretches into first opening with the second opening and connect the pivot, the outer wall connection of pivot the inner wall of damping ring, the outer wall connection of damping ring the inner wall of swivel.
Further preferably, the rail transit elastic damping node interventional vibration suppression device further comprises a stop piece, wherein the stop piece is arranged at two axial ends of the damping ring;
the stop piece is a stop shoulder, the stop shoulder and the damping ring are of an integrated structure, and the stop shoulder faces the swivel and/or the rotating shaft;
or, the stop piece is a baffle, the baffle is connected to the end part of the rotating shaft, and the width of the baffle is larger than the diameter of the rotating shaft.
With the adoption of the structure, the stop piece is used for preventing the damping piece from axially displacing, so that the damping piece is prevented from being separated from the swivel after repeated torsion stress.
Further preferably, a first through hole is formed in the baffle, a screw hole is formed in the end portion of the rotating shaft, the baffle is connected to the rotating shaft through a screw penetrating through the first through hole and connected to the screw hole.
Preferably, the damping piece is the damping ring, the swivel includes two, every set up one in the swivel the damping ring, two the swivel is connected through connecting portion, first connecting rod connect in connecting portion, the pivot has been cup jointed in the damping piece, the one end of second connecting rod stretches into two the space between the swivel and connect the pivot, the outer wall connection of pivot the inner wall of damping ring, the outer wall connection of damping ring the inner wall of swivel.
Further preferably, the rotating shaft corresponding to the gap is a cuboid, and the diagonal length of the cuboid is smaller than the diameter of the rotating shaft.
Further preferably, a shoulder is disposed at one end of the damping ring facing the gap, the shoulder and the damping ring are in an integrated structure, the length of the damping ring along the axial direction is greater than half of the length of the gap, and the shoulder faces the swivel.
By adopting the structure, the axial displacement of the damping piece is prevented by the shoulder, the damping piece is prevented from being separated from the swivel after repeated torsion and stress, the damping ring is relatively sized to the gap, so that the damping ring can be assembled into the swivel from one side of the gap, and then, when the damping piece is used, the second connecting rod can fill part of the gap again, and the damping piece is prevented from being withdrawn from the gap.
Preferably, the other end of the second connecting rod is hinged with a support.
Preferably, the damping piece and the swivel are bonded through vulcanization or are clamped and matched through a plurality of protrusions.
Further preferably, the matching surface of the damping piece and the swivel is wave-shaped, zigzag-shaped or petal-shaped.
Preferably, the damping piece and the rotating shaft are bonded through vulcanization or are clamped and matched through a plurality of protrusions.
Further preferably, the matching surface of the damping piece and the rotating shaft is in a wave shape, a zigzag shape or a petal shape.
The invention also provides a track traffic elastic damping node interventional vibration suppression device, which comprises two swivel rings and damping pieces, wherein the two swivel rings are sleeved on the damping posts, the damping pieces are elastic material components, each swivel ring is connected with a first connecting rod, and the change of an included angle between the two first connecting rods can enable the two sides of the damping pieces to twist relatively in the axial direction.
According to the elastic damping node interventional vibration suppression device for the track traffic, one of the two first connecting rods can be used for connecting a track foundation, the other connecting rod can be used for connecting a track plate, when a train passes through, the track plate is located at a designed zero position, when the train passes through, the track plate is mainly subjected to vertical displacement, the damping piece provides elastic force for the track plate through the connecting rods to suppress the vertical displacement of the track plate, the amplitude is reduced, the track plate is kept at the zero position as much as possible, meanwhile, the vertical displacement of the track plate drives the change of an included angle between the two first connecting rods, so that the damping piece is subjected to shearing deformation, damping for suppressing vibration of the track plate is generated, vibration energy is consumed, and therefore stability of the track plate is improved.
Preferably, the damping member is a rubber material member or a polyurethane material member.
Preferably, the damping piece is provided with two retaining shoulders, and the two swivel rings are respectively arranged on the outer sides of the retaining shoulders.
Further preferably, a second through hole is formed along the axial direction of the damping piece in a penetrating manner, two baffle plates are respectively arranged at two axial ends of the damping piece, the two baffle plates are connected through a counter-pulling screw rod, and the counter-pulling screw rod penetrates through the second through hole.
Preferably, one of the first links is hinged with a support.
Preferably, the damping piece and the swivel are bonded through vulcanization or are clamped and matched through a plurality of protrusions.
Further preferably, the matching surface of the damping piece and the swivel is wave-shaped, zigzag-shaped or petal-shaped.
The invention also provides a track slab structure, which comprises a track slab body, and further comprises a plurality of track traffic elastic damping node intervention type vibration suppression devices, wherein the track slab body is connected with the track foundation through the first connecting rod, or the track slab body is connected with the second connecting rod through the second connecting rod, and the track slab body is connected with the first connecting rod;
or further comprises a plurality of elastic damping node intervention type vibration suppression devices for track traffic according to any one of the above, wherein one first connecting rod is connected with a track foundation, and the other first connecting rod is connected with the track slab body.
Preferably, the first connecting rod is fixedly connected with the track foundation, and the second connecting rod is fixedly connected, hinged, slidingly connected or elastically connected with the track plate body; or the second connecting rod is fixedly connected with the track foundation, and the first connecting rod is fixedly connected, hinged, slidably connected or elastically connected with the track plate body.
Preferably, one of the first connecting rods is fixedly connected with the track foundation, and the other first connecting rod is fixedly connected, hinged, slidingly connected or elastically connected with the track plate body.
Preferably, the elastic damping node interventional vibration suppression devices for the rail transit are symmetrically arranged on two sides of the rail plate body in pairs.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the track traffic elastic damping node interventional vibration suppression device and the track slab structure, one of the first connecting rod and the second connecting rod can be used for connecting a track foundation, the other connecting rod can be used for connecting a track slab, when a train passes through, the track slab is located at a designed zero position, when the train passes through, the track slab mainly generates vertical displacement, the damping piece provides elastic force for the track slab through the connecting rod to suppress the vertical displacement of the track slab, so that the amplitude is reduced, the track slab is kept at the zero position as much as possible, meanwhile, the vertical displacement of the track slab drives the change of an included angle between the first connecting rod and the second connecting rod, so that the damping piece is twisted to generate shear deformation, damping for suppressing vibration of the track slab and consume vibration energy, and therefore, the stability of the track slab is improved.
2. According to the track traffic elastic damping node interventional vibration suppression device and the track slab structure, one of the two first connecting rods can be used for connecting a track foundation, the other connecting rod can be used for connecting a track slab, when a train passes through, the track slab is located at a designed zero position, when the train passes through, the track slab mainly moves vertically, the damping piece provides elastic force for the track slab through the connecting rod to suppress the vertical displacement of the track slab, the amplitude is reduced, the track slab is kept at the zero position as much as possible, meanwhile, the vertical displacement of the track slab drives the change of an included angle between the two first connecting rods, so that the damping piece is twisted to generate shearing deformation, damping for suppressing vibration of the track slab and consume vibration energy, and therefore stability of the track slab is improved.
Drawings
FIG. 1 is a schematic top view of an elastic damping node interventional vibration suppression device according to embodiment 1;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of the damping member and the shoulder in embodiment 1;
FIG. 4 is a schematic structural diagram of an elastic damping node interventional vibration suppression device according to embodiments 1 and 2;
FIG. 5 is a schematic top view of an elastic damping node interventional vibration suppression device according to embodiment 3;
FIG. 6 is a schematic side view of an elastic damping node interventional vibration suppression device according to embodiment 3;
FIG. 7 is a cross-sectional view B-B of FIG. 5;
FIG. 8 is a schematic structural diagram of an elastic damping node interventional vibration suppression device in accordance with embodiment 4;
FIG. 9 is a schematic top view of an elastic damping node interventional vibration suppression device according to embodiment 5;
FIG. 10 is a schematic side view of an elastic damping node interventional vibration suppression device according to embodiment 5;
FIG. 11 is a cross-sectional view C-C of FIG. 9;
FIG. 12 is a schematic view of a damping member and a shoulder in embodiment 5;
fig. 13 is a schematic structural diagram of an elastic damping node interventional vibration suppression device in embodiment 6.
The marks in the figure: the device comprises a rotating ring 1, a first opening 11, a connecting part 12, a rotating shaft 2, a screw hole 21, a cuboid 22, a damping piece 3, a retaining shoulder 31, a second opening 32, a second through hole 33, a first connecting rod 4, a second connecting rod 5, a baffle 6, a first through hole 61 and a support 7.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1 to 4, the elastic damping node interventional vibration suppression device for rail transit comprises a swivel 1, a rotating shaft 2, a damping piece 3, a first connecting rod 4 and a second connecting rod 5, wherein the damping piece 3 is of a damping ring structure, the damping piece 3 is made of an elastic material member, and particularly the damping piece 3 is made of a rubber material member or a polyurethane material member.
The damping ring is characterized in that a first opening 11 is formed in the wall of the rotating ring 1 in an axial through mode, a second opening 32 is formed in the wall of the damping ring in an axial through mode, the first opening 11 and the second opening 32 are correspondingly formed in the position, corresponding to the first opening, of the second opening 32, the rotating shaft 2 is sleeved in the damping piece 3, the damping piece 3 is sleeved in the rotating ring 1, the outer wall of the rotating shaft 2 is connected with the inner wall of the damping ring, the outer wall of the damping ring is connected with the inner wall of the rotating ring 1, specifically, the damping piece 3 is bonded with the rotating ring 1 through vulcanization or matched with the rotating shaft through a plurality of protrusions, and the damping piece 3 is bonded with the rotating shaft 2 through vulcanization or matched with the rotating shaft through a plurality of protrusions.
When a plurality of protrusions are used for clamping and matching, as shown in fig. 2, the matching surface of the damping piece 3 and the rotating ring 1 is in a wave shape, a zigzag shape or a petal shape, and the matching surface of the damping piece 3 and the rotating shaft 2 is in a wave shape, a zigzag shape or a petal shape.
The swivel 1 is connected with the first connecting rod 4, the second connecting rod 5 extends into the first opening 11 and the second opening 32 and is connected with the rotating shaft 2, and the change of the included angle between the first connecting rod 4 and the second connecting rod 5 can enable the inner side and the outer side of the damping piece 3 to relatively twist.
The elastic damping node interventional vibration suppression device for the rail transit further comprises a stop piece, wherein the stop piece is arranged at two axial ends of the damping ring; with this structure, the stopper prevents the damper 3 from being displaced in the axial direction, and the damper 3 is prevented from being separated from the swivel 1 after repeated torsional stress.
In a specific embodiment, as shown in fig. 1 and 3, the stop member is a shoulder 31, the shoulder 31 and the damping ring are integrally formed, and the shoulder 31 faces the swivel 1 and/or the rotating shaft 2.
In a specific embodiment, as shown in fig. 4, the stop member is a baffle 6, the baffle 6 is connected to an end portion of the rotating shaft 2, and a width of the baffle 6 is larger than a diameter of the rotating shaft 2, wherein a first through hole 61 is formed in the baffle 6, a screw hole 21 is formed in an end portion of the rotating shaft 2, and the baffle 6 is connected to the rotating shaft 2 by passing a screw through the first through hole 61 and connecting the screw hole 21.
The first connecting rod 4 is used for being fixedly connected with the track foundation, and the second connecting rod 5 is used for being fixedly connected, hinged, sliding connected or elastically connected with the track board body; or the second connecting rod 5 is used for being fixedly connected with the track foundation, and the first connecting rod 4 is used for being fixedly connected, hinged, sliding connected or elastically connected with the track slab body.
For the elastic connection, the embodiment mainly adopts a rubber block, two steel plates are respectively connected on the rubber block in a vulcanization way, one steel plate is used for connecting the track plate body, and the other steel plate is used for connecting the first connecting rod 4 or the second connecting rod 5, for example, after the steel plates are rotated on holes, the steel plates are connected by bolts.
According to the track traffic elastic damping node intervention type vibration suppression device, one of the first connecting rod 4 and the second connecting rod 5 can be used for connecting a track foundation, the other connecting rod can be used for connecting a track plate, when a train passes through, the track plate is located at a designed zero position, when the train passes through, the track plate mainly generates vertical displacement, the damping piece 3 provides elastic force for the track plate through the connecting rod, the vertical displacement of the track plate is suppressed, the amplitude is reduced, the track plate is kept at the zero position as much as possible, meanwhile, the vertical displacement of the track plate drives the change of an included angle between the first connecting rod 4 and the second connecting rod 5, the damping piece 3 is subjected to shear deformation, vibration suppression is generated, vibration energy is consumed, and therefore stability of the track plate is improved.
Example 2
As shown in fig. 4, in the present embodiment, two ends of the second link 5 are respectively connected to one rotating shaft 2, and each rotating shaft 2 is correspondingly matched with one set of rotating ring 1, damping member 3 and first link 4.
One of the first connecting rods 4 is used for being fixedly connected with the track foundation, and the other first connecting rod 4 is used for being fixedly connected, hinged, sliding connected or elastically connected with the track plate body.
Example 3
As shown in fig. 5 to 7, the difference between the elastic damping node intervention type vibration suppression device for track traffic according to the present invention and embodiment 1 or embodiment 2 is that in this embodiment, the damping member 3 is a damping ring, and the swivel 1 includes two damping rings.
Every set up in the swivel 1 one damping ring, two swivel 1 passes through connecting portion 12 and connects, first connecting rod 4 connect in connecting portion 12, the pivot 2 has been cup jointed in the damping piece 3, the one end of second connecting rod 5 stretches into two space between the swivel 1 and connect pivot 2, the outer wall connection of pivot 2 the inner wall of damping ring, the outer wall connection of damping ring the inner wall of swivel 1.
In a specific embodiment, the rotating shaft 2 corresponding to the gap is a cuboid 22, and the diagonal length of the cuboid 22 is smaller than the diameter of the rotating shaft 2.
In a specific embodiment, a shoulder 31 is disposed at one end of the damping ring facing the gap, the shoulder 31 and the damping ring are integrally formed, the length of the damping ring in the axial direction is greater than half of the length of the gap, and the shoulder 31 faces the swivel 1; with this structure, the stop shoulder 31 prevents the damping member 3 from axially displacing, so as to prevent the damping member 3 from being separated from the swivel 1 after repeated torsion and stress, and the size of the damping ring relative to the gap enables the damping ring to be assembled into the swivel 1 from one side of the gap, and then, when in use, the second connecting rod 5 can fill part of the gap again, so as to prevent the damping member 3 from exiting from the gap.
The first connecting rod 4 is used for being fixedly connected with the track foundation, and the second connecting rod 5 is used for being fixedly connected, hinged, sliding connected or elastically connected with the track board body; or the second connecting rod 5 is used for being fixedly connected with the track foundation, and the first connecting rod 4 is used for being fixedly connected, hinged, sliding connected or elastically connected with the track slab body.
Example 4
As shown in fig. 8, in the embodiment 3 of the present invention, one end of the second link 5 is connected to the rotating shaft 2, and the other end of the second link is hinged to a support 7, where the support 7 is used to connect to the track slab body.
Example 5
As shown in fig. 9 to 12, the elastic damping node interventional vibration suppression device for rail transit comprises a swivel 1, a damping piece 3 and a first connecting rod 4, wherein the damping piece 3 is a damping column, the damping piece 3 is an elastic material member, and specifically, the damping piece 3 is a rubber material member or a polyurethane material member.
The swivel 1 comprises two swivel 1's all cup joint in on the damping post, the outer wall of damping post is connected the inner wall of swivel 1, specifically, damping piece 3 with swivel 1 is through vulcanization bonding or through a plurality of protruding joint cooperation, for example damping piece 3 with the cooperation of swivel 1 is personally submitted wave, zigzag or petal shape.
Each swivel 1 is connected with one first connecting rod 4, and the change of the included angle between the two first connecting rods 4 can enable the two axial sides of the damping piece 3 to relatively twist.
The elastic damping node interventional vibration suppression device for the rail transit further comprises a stop piece, the stop piece comprises a stop shoulder 31 and a baffle 6, two stop shoulders 31 are arranged on the damping piece 3, two swivel rings 1 are respectively arranged on the outer sides of the stop shoulders 31, a second through hole 33 is axially penetrated and arranged along the damping piece 3, the baffle 6 is respectively arranged at two axial ends of the damping piece 3, the two baffle 6 are connected through opposite-pulling screws, and the opposite-pulling screws penetrate through the second through hole 33.
One of the first connecting rods 4 is used for being fixedly connected with the track foundation, and the other first connecting rod 4 is used for being fixedly connected, hinged, sliding connected or elastically connected with the track plate body.
The embodiment of the utility model provides a damping node intervention formula vibration suppression device of track traffic elasticity, two one of first connecting rod 4 can be used for connecting the track basis, and another can be used for connecting the track board, and when the train passed through, the track board mainly takes place vertical displacement, drives two change of contained angle between the first connecting rod 4 for damping member 3 twists reverse and takes place shear deformation, thereby consumes vibration energy, improves the stability of track board, and the device simple structure, light, simple to operate suppresses vibration effectually, and the mounted position does not influence the maintenance and the maintenance of the evacuation passageway and the key parts of track system.
Example 6
As shown in fig. 13, in the present embodiment, one end of one first connecting rod 4 is connected to one swivel 1, and the other end is hinged to a support 7, where the support 7 is used to connect to the track slab body, on the basis of embodiment 5.
Example 7
The invention discloses a track slab structure, which comprises a track slab body and a plurality of track traffic elastic damping node intervention type vibration suppression devices as described in any one of embodiment 1 to embodiment 6, wherein the track traffic elastic damping node intervention type vibration suppression devices are symmetrically arranged on two sides of the track slab body in pairs.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. The utility model provides a track traffic elastic damping node intervenes formula device that shakes, its characterized in that includes swivel (1) and damping piece (3), damping piece (3) are elastic material component, damping piece (3) cup joint in swivel (1), first connecting rod (4) are connected to swivel (1), second connecting rod (5) are connected to damping piece (3), first connecting rod (4) with the change of contained angle between second connecting rod (5) can make between the inboard and the outside of damping piece (3) are twisted relatively.
2. The track traffic elastic damping node interventional vibration suppression device according to claim 1, wherein the damping piece (3) is a damping ring, a first opening (11) is axially arranged on the wall of the swivel (1) in a penetrating manner, a second opening (32) is axially arranged on the wall of the damping ring in a penetrating manner, a rotating shaft (2) is sleeved in the damping piece (3), the second connecting rod (5) stretches into the first opening (11) and the second opening (32) and is connected with the rotating shaft (2), the outer wall of the rotating shaft (2) is connected with the inner wall of the damping ring, and the outer wall of the damping ring is connected with the inner wall of the swivel (1).
3. The track traffic elastic damping node intervention type vibration suppression device according to claim 2, further comprising a stop piece, wherein the stop piece is arranged at two axial ends of the damping ring;
the stop piece is a stop shoulder (31), the stop shoulder (31) and the damping ring are of an integrated structure, and the stop shoulder (31) faces the swivel (1) and/or the rotating shaft (2);
or, the stop piece is a baffle (6), the baffle (6) is connected to the end part of the rotating shaft (2), and the width of the baffle (6) is larger than the diameter of the rotating shaft (2).
4. The track traffic elastic damping node interventional vibration suppression device according to claim 1, wherein the damping piece (3) is a damping ring, the swivel rings (1) comprise two, one damping ring is arranged in each swivel ring (1), the two swivel rings (1) are connected through a connecting part (12), the first connecting rod (4) is connected to the connecting part (12), a rotating shaft (2) is sleeved in the damping piece (3), one end of the second connecting rod (5) stretches into a gap between the two swivel rings (1) and is connected with the rotating shaft (2), the outer wall of the rotating shaft (2) is connected with the inner wall of the damping ring, and the outer wall of the damping ring is connected with the inner wall of the swivel ring (1).
5. The track traffic elastic damping node interventional vibration suppression device according to claim 4, wherein a shoulder (31) is arranged at one end of the damping ring, which faces the gap, the shoulder (31) and the damping ring are of an integrated structure, the length of the damping ring along the axial direction is greater than half of the length of the gap, and the shoulder (31) faces the swivel (1).
6. The track traffic elastic damping node intervention type vibration suppression device according to any one of claims 1 to 5, wherein the damping piece (3) is matched with the swivel (1) through vulcanization adhesion or through a plurality of protruding clamping joints.
7. The utility model provides a track traffic elastic damping node intervenes formula device that shakes, its characterized in that includes swivel (1) and damping piece (3), damping piece (3) are the damping post, swivel (1) include two, two swivel (1) all cup joint in on the damping post, damping piece (3) are elastic material component, every swivel (1) connects one first connecting rod (4), two change of contained angle between first connecting rod (4) can make relative torsion between the axial both sides of damping piece (3).
8. The track traffic elastic damping node interventional vibration suppression device according to claim 7, wherein two retaining shoulders (31) are arranged on the damping piece (3), and the two swivel rings (1) are respectively arranged on the outer sides of the retaining shoulders (31).
9. The track traffic elastic damping node interventional vibration suppression device according to any one of claims 8, wherein a second through hole (33) is formed along the axial direction of the damping piece (3), two baffle plates (6) are respectively arranged at two axial ends of the damping piece (3), the two baffle plates (6) are connected through a counter-pulling screw rod, and the counter-pulling screw rod penetrates through the second through hole (33).
10. A track slab structure, comprising a track slab body, and further comprising a plurality of track traffic elastic damping node intervention type vibration suppression devices according to any one of claims 1-6, wherein the first connecting rod (4) is connected with a track foundation, the second connecting rod (5) is connected with the track slab body, or the second connecting rod (5) is connected with the track foundation, and the first connecting rod (4) is connected with the track slab body;
or further comprises a plurality of elastic damping node intervention type vibration suppression devices for track traffic according to any one of claims 7-9, wherein one first connecting rod (4) is connected with a track foundation, and the other first connecting rod (4) is connected with the track slab body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310443094.9A CN116427214A (en) | 2023-04-23 | 2023-04-23 | Rail transit elastic damping node interventional vibration suppression device and rail plate structure |
Applications Claiming Priority (1)
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0882339A (en) * | 1994-09-09 | 1996-03-26 | Shimizu Corp | Base isolation structure |
| TWM462811U (en) * | 2013-06-20 | 2013-10-01 | Nat Applied Res Laboratories | Hysteretic energy-dissipated device |
| CN107061590A (en) * | 2017-06-07 | 2017-08-18 | 刘春红 | A kind of damper device |
| CN110966343A (en) * | 2019-11-26 | 2020-04-07 | 重庆工商职业学院 | Vibration isolation device for mounting building equipment |
| CN112111999A (en) * | 2020-09-17 | 2020-12-22 | 周义 | Railway integral ballast bed with good shock absorption |
| CN112523011A (en) * | 2020-11-16 | 2021-03-19 | 西南交通大学 | Broadband passive vibration isolator and vibration reduction method of rail system |
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2023
- 2023-04-23 CN CN202310443094.9A patent/CN116427214A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0882339A (en) * | 1994-09-09 | 1996-03-26 | Shimizu Corp | Base isolation structure |
| TWM462811U (en) * | 2013-06-20 | 2013-10-01 | Nat Applied Res Laboratories | Hysteretic energy-dissipated device |
| CN107061590A (en) * | 2017-06-07 | 2017-08-18 | 刘春红 | A kind of damper device |
| CN110966343A (en) * | 2019-11-26 | 2020-04-07 | 重庆工商职业学院 | Vibration isolation device for mounting building equipment |
| CN112111999A (en) * | 2020-09-17 | 2020-12-22 | 周义 | Railway integral ballast bed with good shock absorption |
| CN112523011A (en) * | 2020-11-16 | 2021-03-19 | 西南交通大学 | Broadband passive vibration isolator and vibration reduction method of rail system |
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