CN116427214A - Interventional vibration suppression device for elastic damping nodes of rail transit and track plate structure - Google Patents

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

Interventional anti-vibration device for rail transit elastic damping node and track plate structure

technical field

The invention relates to the technical field of rail transit, in particular to an intervening anti-vibration device for rail transit elastic damping nodes and a rail plate structure.

Background technique

In order to reduce the impact on the vibration and noise sensitive points around the line, urban rail transit adopts a large number of vibration-damping tracks. Among them, ballast-bed vibration-damping tracks represented by floating slabs are provided with elastic point supports or surface supports under the ballast bed slabs, which can obtain higher vibration-damping effects, and account for the highest proportion in the application of vibration-damping tracks. Due to the setting of the elastic support, the stability of the track plate itself is reduced. Under the long-term dynamic load of the train, it is easy to cause the deterioration of the rail surface and the enhancement of the dynamic interaction between the wheel and the rail, resulting in the occurrence of wavy wear of the rail, the breakage of the fastener spring, and the polygonal shape of the wheel, which makes the train run smoothly and ride Comfort is significantly reduced.

Contents of the invention

The purpose of the present invention is to aim at the low stability of the existing track slabs in the prior art, which easily lead to the occurrence of wavy wear of the rail, the breakage of the buckle spring, the polygonal shape of the wheel, etc., so that the train runs smoothly and rides comfortably To solve the problem of reduced performance, an intervening anti-vibration device for rail transit elastic damping nodes and a track slab structure are provided.

In order to achieve the above object, the technical scheme adopted in the present invention is:

In the first aspect, the present invention provides an intervening anti-vibration device for rail transit elastic damping nodes, including a swivel and a damping element, the damping element is an elastic material member, and the damping element is sleeved in the swivel, The swivel is connected to the first connecting rod, and the damping member is connected to the second connecting rod. The change of the angle between the first connecting rod and the second connecting rod can make the difference between the inner side and the outer side of the damping member relative torsion.

Using the intervening anti-vibration device for rail transit elastic damping nodes according to the present invention, one of the first connecting rod and the second connecting rod can be used to connect the track foundation, and the other connecting rod can be used to connect the track When the train does not pass, the track slab is located at the zero position of the design. When the train passes, the track slab mainly undergoes vertical displacement. The amplitude is small, so that the track plate is kept at the zero position as much as possible, and the vertical displacement of the track plate drives the change of the angle between the first connecting rod and the second connecting rod, so that the torsion and shearing of the damping member Deformation produces damping that suppresses the vibration of the track plate and consumes vibration energy, thereby improving the stability of the track plate. The device is simple in structure, light in weight, easy to install, and has a good vibration suppression effect. The installation position does not affect the evacuation channels and key components of the track system maintenance and overhaul.

Preferably, the damping element is a rubber material member or a polyurethane material member.

Preferably, the damping element is a damping ring, the wall of the swivel is provided with a first opening in the axial direction, the wall of the damping ring is provided with a second opening in the axial direction, and the first opening and the The second opening is arranged correspondingly, the damping member is sleeved with a rotating shaft, the second connecting rod extends into the first opening and the second opening and is connected to the rotating shaft, and the outer wall of the rotating shaft is connected to the The inner wall of the damping ring, the outer wall of the damping ring is connected with the inner wall of the rotating ring.

Further preferably, the rail transit elastic damping node interventional vibration suppression device further includes stoppers, and both ends of the damping ring in the axial direction are provided with the stoppers;

The stopper is a shoulder, and the shoulder is integrally formed with the damping ring, and the shoulder faces the rotating ring and/or the rotating shaft;

Alternatively, the stopper is a baffle, the baffle is connected to the end of the rotating shaft, and the width of the baffle is larger than the diameter of the rotating shaft.

With this structure, the axial displacement of the damping element is prevented by the stopper, and the damping element is prevented from detaching from the swivel ring after repeated torsion and stress.

Further preferably, the baffle is provided with a first through hole, and the end of the rotating shaft is provided with a screw hole, and a screw is passed through the first through hole to connect to the screw hole, and the baffle is connected to the screw hole. the shaft.

Preferably, the damping member is a damping ring, and the swivel includes two swivels, one damping ring is arranged in each swivel, the two swivels are connected by a connecting part, and the first connecting rod Connected to the connecting part, the damping member is sleeved with a rotating shaft, one end of the second connecting rod extends into the gap between the two rotating rings and connects to the rotating shaft, the outer wall of the rotating shaft is connected to the The inner wall of the damping ring, the outer wall of the damping ring is connected to the inner wall of the swivel.

Further preferably, the rotating shaft corresponding to the gap is in the shape of a cuboid, and the diagonal length of the cuboid is smaller than the diameter of the rotating shaft.

Further preferably, one end of the damping ring facing the gap is provided with a shoulder, the shoulder and the damping ring are integrally formed, and the length of the damping ring in the axial direction is greater than half the length of the gap, The shoulder faces the swivel.

With this structure, the axial displacement of the damping element is prevented by the blocking shoulder, and the damping element is prevented from detaching from the swivel ring after repeated torsion and stress. The size of the damping ring relative to the gap is such that the damping element A ring can be assembled into the swivel ring from one side of the gap, and then the second connecting rod can fill part of the gap in use, preventing the damping member from withdrawing from the gap.

Preferably, the other end of the second connecting rod is hinged to a support.

Preferably, the damping element and the swivel are bonded by vulcanization or snap-fitted by several protrusions.

Further preferably, the mating surface of the damping member and the swivel ring is wave-shaped, sawtooth-shaped or petal-shaped.

Preferably, the damping member is engaged with the rotating shaft through vulcanization bonding or through several protrusions.

Further preferably, the mating surface of the damping member and the rotating shaft is wavy, zigzag or petal-shaped.

In the second aspect, the present invention also provides an intervening anti-vibration device for rail transit elastic damping nodes, including a swivel and a damping element, the damping element is a damping column, the swivel includes two, and the two swivels The rings are all sleeved on the damping column, the damping element is an elastic material member, each of the swivels is connected to a first connecting rod, and the change of the angle between the two first connecting rods can make the Relative torsion between the two axial sides of the damping element.

Using the intervening anti-vibration device for rail transit elastic damping nodes according to the present invention, one of the two first connecting rods can be used to connect the track foundation, and the other connecting rod can be used to connect the track slab. When the track slab is located at the zero position of the design, when the train passes, the track slab mainly undergoes vertical displacement, and the damping member provides elastic force to the track slab through the connecting rod, restrains the vertical displacement of the track slab, reduces the amplitude, and makes the track The plate is kept at the zero position as much as possible, and at the same time, the vertical displacement of the track plate drives the change of the angle between the two first connecting rods, so that the torsion of the damping member undergoes shear deformation, resulting in damping that suppresses the vibration of the track plate. And consume vibration energy, thereby improving the stability of the track slab. The device has a simple and light structure, is easy to install, and has a good vibration suppression effect. The installation position does not affect the evacuation channel of the track system and the maintenance and repair of key components.

Preferably, the damping element is a rubber material member or a polyurethane material member.

Preferably, the damping element is provided with two shoulders, and the two swivel rings are respectively arranged outside the shoulders.

Further preferably, a second through hole is provided axially along the damping member, baffles are respectively provided at both ends of the damping member in the axial direction, and the two baffles are connected by a pull screw, and the pull screw through the second through hole.

Preferably, one of the first connecting rods is hinged with a support.

Preferably, the damping element and the swivel are bonded by vulcanization or snap-fitted by several protrusions.

Further preferably, the mating surface of the damping member and the swivel ring is wave-shaped, sawtooth-shaped or petal-shaped.

In the third aspect, the present invention also provides a track slab structure, including a track slab body, and several intervening vibration suppression devices for rail transit elastic damping nodes as described in any one of the above, the first connecting The rod is connected to the track foundation, the second connecting rod is connected to the track slab body, or the second connecting rod is connected to the track foundation, and the first connecting rod is connected to the track slab body;

Or it also includes several intervening anti-vibration devices for rail transit elastic damping nodes as described in any one of the above, wherein one of the first connecting rods is connected to the track foundation, and the other first connecting rod is connected to the track board body.

Preferably, the first connecting rod is fixedly connected to the track foundation, and the second connecting rod is fixedly connected, hinged, slidingly connected or elastically connected to the track slab body; or the second connecting rod is connected to the track base The track foundation is fixedly connected, and the first connecting rod is fixedly connected, hinged, slidingly connected or elastically connected to the track plate body.

Preferably, one of the first connecting rods is fixedly connected to the track foundation, and the other first connecting rod is fixedly connected, hinged, slidingly connected or elastically connected to the track plate body.

Preferably, the rail transit elastic damping node intervening vibration suppression devices are arranged symmetrically on both sides of the rail slab body in pairs.

In summary, owing to adopting above-mentioned technical scheme, the beneficial effect of the present invention is:

1. A rail transit elastic damping node intervention type vibration suppression device and track plate structure according to the present invention, one of the first connecting rod and the second connecting rod can be used to connect the track foundation, and the other connecting rod It can be used to connect the track slab. When the train does not pass, the track slab is located at the zero position of the design. When the train passes, the track slab mainly undergoes vertical displacement. The damping member provides elastic force to the track slab through the connecting rod to restrain the Vertical displacement, reducing the amplitude, so that the track plate is kept at the zero position as much as possible, and at the same time, the vertical displacement of the track plate drives the change of the angle between the first connecting rod and the second connecting rod, so that the damping The shearing deformation of the torsion of the parts produces damping that suppresses the vibration of the track plate and consumes vibration energy, thereby improving the stability of the track plate. The device is simple in structure, light in weight, easy to install, and has a good vibration suppression effect. The installation position does not affect the stability of the track system. Maintenance and overhaul of evacuation routes and key components;

2. A rail transit elastic damping node intervention type vibration suppression device and track plate structure according to the present invention, one of the two first connecting rods can be used to connect the track foundation, and the other connecting rod can be used to connect the track When the train does not pass, the track slab is located at the zero position of the design. When the train passes, the track slab mainly undergoes vertical displacement. The amplitude is small, so that the track plate is kept at the zero position as much as possible, and the vertical displacement of the track plate drives the change of the angle between the two first connecting rods, so that the torsion of the damping member causes shear deformation, resulting in a damping track Damping the plate vibration and consuming vibration energy, thereby improving the stability of the track plate. The device has a simple structure, lightness, easy installation, good vibration suppression effect, and the installation position does not affect the evacuation channel of the track system and the maintenance and repair of key components.

Description of drawings

Fig. 1 is a top view structural schematic diagram of an elastic damping node intervening vibration suppression device in Embodiment 1;

Fig. 2 is A-A sectional view among Fig. 1;

Fig. 3 is the structural representation of damper and retaining shoulder in embodiment 1;

Fig. 4 is the schematic structural diagram of the elastic damping node intervening vibration suppression device in Embodiments 1 and 2;

Fig. 5 is a top view structural schematic diagram of an elastic damping node intervening vibration suppression device in Embodiment 3;

Fig. 6 is a side view structural schematic diagram of the elastic damping node intervening vibration suppression device in embodiment 3;

Fig. 7 is B-B sectional view among Fig. 5;

Fig. 8 is a schematic structural diagram of an elastic damping node intervening vibration suppression device in Embodiment 4;

Fig. 9 is a top view structural schematic diagram of an elastic damping node intervening vibration suppression device in Embodiment 5;

Fig. 10 is a side view schematic diagram of the elastic damping node intervening vibration suppression device in Embodiment 5;

Fig. 11 is a C-C sectional view in Fig. 9;

Fig. 12 is a structural schematic diagram of the damping member and the shoulder in Embodiment 5;

Fig. 13 is a schematic structural diagram of the elastic damping node intervening vibration suppression device in Embodiment 6.

Markings in the figure: 1-rotary ring, 11-first opening, 12-connecting part, 2-rotating shaft, 21-screw hole, 22-cuboid, 3-damping piece, 31-shoulder, 32-second opening, 33 - the second through hole, 4 - the first connecting rod, 5 - the second connecting rod, 6 - the baffle plate, 61 - the first through hole, 7 - the support.

Detailed ways

Below in conjunction with accompanying drawing, the present invention is described in detail.

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Example 1

As shown in Figures 1 to 4, a rail transit elastic damping node interventional vibration suppression device according to the present invention includes a swivel 1, a rotating shaft 2, a damping member 3, a first connecting rod 4 and a second connecting rod 5 , the damping element 3 is a damping ring structure, and the damping element 3 is made of an elastic material member, specifically, the damping element 3 is a rubber material member or a polyurethane material member.

A first opening 11 is formed axially through the wall of the swivel 1, and a second opening 32 is formed axially through the wall of the damping ring, and the first opening 11 and the second opening 32 are correspondingly arranged. , the rotating shaft 2 is sleeved in the damping member 3, the damping member 3 is sleeved in the rotating ring 1, the outer wall of the rotating shaft 2 is connected to the inner wall of the damping ring, and the outer wall of the damping ring The inner wall of the swivel 1 is connected, specifically, the damping member 3 and the swivel 1 are vulcanized and bonded or snap-fitted by several protrusions, and the damping member 3 and the rotating shaft 2 are vulcanized and bonded. Connect or snap fit through several protrusions.

Wherein, when a plurality of protrusions are used for snap fit, as shown in Figure 2, the mating surface of the damping member 3 and the swivel 1 is wavy, zigzag or petal-shaped, and the damping member 3 and the The mating surface of the rotating shaft 2 is wavy, zigzag or petal-shaped.

The swivel 1 is connected to the first connecting rod 4, the second connecting rod 5 extends into the first opening 11 and the second opening 32 and connects to the rotating shaft 2, and the first connecting rod 4 The change of the included angle with the second connecting rod 5 can cause the relative twist between the inner side and the outer side of the damping member 3 .

The rail transit elastic damping node intervention type vibration suppression device also includes stoppers, and the two ends of the damping ring in the axial direction are provided with the stoppers; with this structure, the damping is prevented by the stoppers. The axial displacement of the member 3 prevents the damping member 3 from detaching from the swivel 1 after repeated torsion and stress.

In a specific embodiment, as shown in FIG. 1 and FIG. 3 , the stopper is a shoulder 31, the shoulder 31 is integrally formed with the damping ring, and the shoulder 31 faces the The swivel 1 and/or the shaft 2.

In a specific embodiment, as shown in FIG. 4 , the stopper is a baffle 6, the baffle 6 is connected to the end of the rotating shaft 2, and the width of the baffle 6 is larger than that of the rotating shaft 2. wherein, the baffle plate 6 is provided with a first through hole 61, and the end of the rotating shaft 2 is provided with a screw hole 21, which is connected to the screw hole 21 through the first through hole 61 by a screw, The baffle plate 6 is connected to the rotating shaft 2 .

Wherein, the first connecting rod 4 is used for fixed connection with the track foundation, and the second connecting rod 5 is used for fixed connection, hinged connection, sliding connection or elastic connection with the track plate body; or the second The connecting rod 5 is used for fixed connection with the track foundation, and the first connecting rod 4 is used for fixed connection, hinge connection, sliding connection or elastic connection with the track slab body.

For the above-mentioned elastic connection, this embodiment mainly adopts a rubber block, on which two steel plates are respectively vulcanized and connected, one of the steel plates is used to connect the track plate body, and the other steel plate is used to connect the track plate body. The first connecting rod 4 or the second connecting rod 5 is connected by bolts after holes are drilled on the steel plate.

In the intervening anti-vibration device for rail transit elastic damping nodes described in this embodiment, one of the first connecting rod 4 and the second connecting rod 5 can be used to connect the track foundation, and the other connecting rod can be used for Connect the track slab, when the train does not pass, the track slab is located at the zero position of the design, when the train passes, the track slab mainly undergoes vertical displacement, and the damper 3 provides elastic force to the track slab through the connecting rod, restraining the vertical movement of the track slab. Displacement, reducing the amplitude, so that the track plate is kept at the zero position as much as possible, and at the same time, the vertical displacement of the track plate drives the change of the angle between the first connecting rod 4 and the second connecting rod 5, so that the damping The torsion of part 3 produces shear deformation, which produces damping that suppresses the vibration of the track plate, and consumes vibration energy, thereby improving the stability of the track plate. The device is simple in structure, light in weight, easy to install, and has a good vibration suppression effect. The installation position does not affect the track system Maintenance and inspection of evacuation channels and key components.

Example 2

As shown in Figure 4, a rail transit elastic damping node intervening anti-vibration device according to the present invention, on the basis of Embodiment 1, in this embodiment, the two ends of the second connecting rod 5 are respectively connected with One rotating shaft 2 , and each rotating shaft 2 corresponds to a set of the rotating ring 1 , the damping member 3 and the first connecting rod 4 .

One of the first connecting rods 4 is used for fixed connection with the track foundation, and the other first connecting rod 4 is used for fixed connection, hinge connection, sliding connection or elastic connection with the track slab body.

Example 3

As shown in Fig. 5 to Fig. 7, a rail transit elastic damping node interventional vibration suppression device according to the present invention differs from Embodiment 1 or Embodiment 2 in that in this embodiment, the damping member 3 As a damping ring, the swivel 1 includes two.

One damping ring is arranged in each of the swivels 1, and the two swivels 1 are connected by a connecting part 12, the first connecting rod 4 is connected to the connecting part 12, and the damping member 3 is inner. Connected to the rotating shaft 2, one end of the second connecting rod 5 extends into the gap between the two swivel rings 1 and connects the rotating shaft 2, the outer wall of the rotating shaft 2 is connected to the inner wall of the damping ring, the The outer wall of the damping ring is connected to the inner wall of the 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, the end of the damping ring facing the gap is provided with a shoulder 31, the shoulder 31 and the damping ring are integrally formed, and the length of the damping ring in the axial direction is more than half The length of the gap, the shoulder 31 faces the swivel 1; with this structure, the axial displacement of the damper 3 is prevented by the shoulder 31, and the repeated torsion of the damper 3 is prevented. After detaching from the swivel 1, 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 the second connecting rod 5 is used again Part of the gap can be filled to prevent the damping member 3 from withdrawing from the gap.

Wherein, the first connecting rod 4 is used for fixed connection with the track foundation, and the second connecting rod 5 is used for fixed connection, hinged connection, sliding connection or elastic connection with the track plate body; or the second The connecting rod 5 is used for fixed connection with the track foundation, and the first connecting rod 4 is used for fixed connection, hinge connection, sliding connection or elastic connection with the track slab body.

Example 4

As shown in Figure 8, a rail transit elastic damping node intervention type anti-vibration device according to the present invention, on the basis of Embodiment 3, in this embodiment, one end of the second connecting rod 5 is connected to the rotating shaft 2. The other end is hinged with a support 7, and the support 7 is used to connect the track plate body.

Example 5

As shown in Figures 9 to 12, an intervening anti-vibration device for a rail transit elastic damping node according to the present invention includes a swivel 1, a damping member 3 and a first connecting rod 4, and the damping member 3 is a damping column , the damping element 3 is an elastic material member, specifically, the damping element 3 is a rubber material member or a polyurethane material member.

The swivel 1 includes two swivels, both of which are sleeved on the damping column, and the outer wall of the damping column is connected to the inner wall of the swivel 1, specifically, the damping member 3 and The swivel 1 is bonded by vulcanization or snap-fitted by several protrusions, for example, the mating surface of the damping element 3 and the swivel 1 is wave-shaped, zigzag-shaped or petal-shaped.

Each of the swivel rings 1 is connected to one of the first connecting rods 4 , and the change of the included angle between the two first connecting rods 4 can cause relative twisting between the two axial sides of the damping member 3 .

The rail transit elastic damping node intervention type vibration suppression device also includes a stopper, the stopper includes a shoulder 31 and a baffle 6, the damper 3 is provided with two shoulders 31, and the two shoulders The swivel rings 1 are respectively arranged on the outer sides of the shoulders 31, and a second through hole 33 is formed axially along the damping member 3, and the baffles 6 are respectively arranged at both ends of the damping member 3 in the axial direction. The baffle plate 6 is connected by a pull screw, and the pull screw passes through the second through hole 33 .

One of the first connecting rods 4 is used for fixed connection with the track foundation, and the other first connecting rod 4 is used for fixed connection, hinge connection, sliding connection or elastic connection with the track slab body.

In the intervening anti-vibration device of a rail transit elastic damping node described in this embodiment, one of the two first connecting rods 4 can be used to connect the track foundation, and the other can be used to connect the track slab. When the train passes, The main vertical displacement of the track plate drives the change of the included angle between the two first connecting rods 4, so that the damping member 3 twists and undergoes shear deformation, thereby consuming vibration energy and improving the stability of the track plate. The structure of the device is simple and light, easy to install, and has a good vibration suppression effect. The installation position does not affect the evacuation channel of the track system and the maintenance and repair of key components.

Example 6

As shown in Figure 13, a rail transit elastic damping node intervening anti-vibration device according to the present invention, on the basis of Embodiment 5, in this embodiment, one end of one of the first connecting rods 4 is connected to a The other end of the swivel 1 is hinged with a support 7, and the support 7 is used to connect the track plate body.

Example 7

A track slab structure according to the present invention includes a track slab body and several intervening damping devices for rail transit elastic damping nodes as described in any one of Embodiment 1 to Embodiment 6. The elastic damping node intervening vibration suppression devices are symmetrically arranged on both sides of the track plate body in pairs.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

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.

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